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-rw-r--r--drivers/acpi/Kconfig4
-rw-r--r--drivers/acpi/bgrt.c76
-rw-r--r--drivers/acpi/bus.c10
-rw-r--r--drivers/acpi/pci_root.c101
-rw-r--r--drivers/acpi/pci_slot.c44
-rw-r--r--drivers/acpi/power.c36
-rw-r--r--drivers/ata/Kconfig2
-rw-r--r--drivers/ata/ahci.c18
-rw-r--r--drivers/ata/ahci.h1
-rw-r--r--drivers/ata/ata_piix.c8
-rw-r--r--drivers/ata/libahci.c3
-rw-r--r--drivers/ata/libata-acpi.c15
-rw-r--r--drivers/ata/libata-core.c3
-rw-r--r--drivers/ata/pata_atiixp.c16
-rw-r--r--drivers/base/dma-contiguous.c2
-rw-r--r--drivers/base/regmap/regmap-irq.c92
-rw-r--r--drivers/base/regmap/regmap.c13
-rw-r--r--drivers/block/aoe/aoecmd.c1
-rw-r--r--drivers/block/cciss_scsi.c1
-rw-r--r--drivers/block/drbd/drbd_bitmap.c15
-rw-r--r--drivers/block/drbd/drbd_int.h1
-rw-r--r--drivers/block/drbd/drbd_main.c28
-rw-r--r--drivers/block/drbd/drbd_nl.c4
-rw-r--r--drivers/block/drbd/drbd_req.c36
-rw-r--r--drivers/block/mtip32xx/mtip32xx.c38
-rw-r--r--drivers/block/mtip32xx/mtip32xx.h10
-rw-r--r--drivers/block/nbd.c9
-rw-r--r--drivers/block/nvme.c155
-rw-r--r--drivers/block/rbd.c7
-rw-r--r--drivers/block/xen-blkback/blkback.c2
-rw-r--r--drivers/bluetooth/ath3k.c2
-rw-r--r--drivers/bluetooth/btusb.c12
-rw-r--r--drivers/char/agp/sgi-agp.c5
-rw-r--r--drivers/clk/Makefile1
-rw-r--r--drivers/clk/clk-devres.c55
-rw-r--r--drivers/clk/clkdev.c45
-rw-r--r--drivers/clocksource/Kconfig5
-rw-r--r--drivers/clocksource/Makefile1
-rw-r--r--drivers/clocksource/arm_generic.c232
-rw-r--r--drivers/cpufreq/omap-cpufreq.c4
-rw-r--r--drivers/cpufreq/powernow-k8.c63
-rw-r--r--drivers/crypto/caam/jr.c10
-rw-r--r--drivers/crypto/caam/key_gen.c1
-rw-r--r--drivers/crypto/hifn_795x.c4
-rw-r--r--drivers/dma/at_hdmac.c21
-rw-r--r--drivers/dma/ep93xx_dma.c2
-rw-r--r--drivers/dma/fsldma.c2
-rw-r--r--drivers/dma/imx-dma.c4
-rw-r--r--drivers/dma/intel_mid_dma.c2
-rw-r--r--drivers/dma/intel_mid_dma_regs.h6
-rw-r--r--drivers/dma/ioat/hw.h4
-rw-r--r--drivers/dma/pl330.c23
-rw-r--r--drivers/dma/ppc4xx/adma.c2
-rw-r--r--drivers/dma/ste_dma40_ll.h2
-rw-r--r--drivers/edac/edac_mc.c57
-rw-r--r--drivers/edac/i3200_edac.c2
-rw-r--r--drivers/edac/i5000_edac.c4
-rw-r--r--drivers/edac/sb_edac.c7
-rw-r--r--drivers/extcon/extcon-arizona.c5
-rw-r--r--drivers/extcon/extcon-max77693.c19
-rw-r--r--drivers/gpio/Kconfig2
-rw-r--r--drivers/gpio/gpio-em.c4
-rw-r--r--drivers/gpio/gpio-lpc32xx.c5
-rw-r--r--drivers/gpio/gpio-rdc321x.c1
-rw-r--r--drivers/gpio/gpiolib-of.c2
-rw-r--r--drivers/gpu/drm/ast/ast_drv.c3
-rw-r--r--drivers/gpu/drm/ast/ast_mode.c2
-rw-r--r--drivers/gpu/drm/cirrus/cirrus_drv.c3
-rw-r--r--drivers/gpu/drm/drm_crtc.c2
-rw-r--r--drivers/gpu/drm/drm_edid.c3
-rw-r--r--drivers/gpu/drm/exynos/Kconfig2
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_dmabuf.c7
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_drv.c5
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fimd.c5
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_g2d.c52
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_gem.c4
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_hdmi.c3
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_plane.c1
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_vidi.c4
-rw-r--r--drivers/gpu/drm/exynos/exynos_hdmi.c11
-rw-r--r--drivers/gpu/drm/exynos/exynos_mixer.c6
-rw-r--r--drivers/gpu/drm/gma500/oaktrail_device.c2
-rw-r--r--drivers/gpu/drm/gma500/psb_intel_display.c3
-rw-r--r--drivers/gpu/drm/i810/i810_dma.c3
-rw-r--r--drivers/gpu/drm/i810/i810_drv.c3
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c1
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c3
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c2
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c3
-rw-r--r--drivers/gpu/drm/i915/intel_display.c30
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c11
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c2
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c8
-rw-r--r--drivers/gpu/drm/i915/intel_panel.c31
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c3
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c15
-rw-r--r--drivers/gpu/drm/i915/intel_sprite.c4
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_drv.c3
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_abi16.c2
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_display.c2
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_state.c6
-rw-r--r--drivers/gpu/drm/nouveau/nv50_gpio.c16
-rw-r--r--drivers/gpu/drm/nouveau/nvc0_fb.c1
-rw-r--r--drivers/gpu/drm/nouveau/nvc0_fifo.c3
-rw-r--r--drivers/gpu/drm/nouveau/nvd0_display.c4
-rw-r--r--drivers/gpu/drm/nouveau/nve0_fifo.c3
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c36
-rw-r--r--drivers/gpu/drm/radeon/atombios_dp.c29
-rw-r--r--drivers/gpu/drm/radeon/atombios_encoders.c140
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c10
-rw-r--r--drivers/gpu/drm/radeon/r100.c3
-rw-r--r--drivers/gpu/drm/radeon/r600_cs.c30
-rw-r--r--drivers/gpu/drm/radeon/r600d.h8
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c5
-rw-r--r--drivers/gpu/drm/radeon/radeon_drv.c3
-rw-r--r--drivers/gpu/drm/radeon/radeon_fence.c8
-rw-r--r--drivers/gpu/drm/radeon/reg_srcs/r6001
-rw-r--r--drivers/gpu/drm/savage/savage_drv.c3
-rw-r--r--drivers/gpu/drm/sis/sis_drv.c3
-rw-r--r--drivers/gpu/drm/tdfx/tdfx_drv.c3
-rw-r--r--drivers/gpu/drm/udl/udl_connector.c7
-rw-r--r--drivers/gpu/drm/udl/udl_drv.c3
-rw-r--r--drivers/gpu/drm/via/via_drv.c3
-rw-r--r--drivers/gpu/drm/vmwgfx/Kconfig8
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.c8
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.h10
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_fence.c2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_resource.c73
-rw-r--r--drivers/gpu/vga/vgaarb.c29
-rw-r--r--drivers/hid/Kconfig22
-rw-r--r--drivers/hid/Makefile21
-rw-r--r--drivers/hid/hid-a4tech.c1
-rw-r--r--drivers/hid/hid-apple.c1
-rw-r--r--drivers/hid/hid-aureal.c1
-rw-r--r--drivers/hid/hid-belkin.c1
-rw-r--r--drivers/hid/hid-cherry.c1
-rw-r--r--drivers/hid/hid-core.c46
-rw-r--r--drivers/hid/hid-cypress.c1
-rw-r--r--drivers/hid/hid-debug.c12
-rw-r--r--drivers/hid/hid-ezkey.c1
-rw-r--r--drivers/hid/hid-gyration.c1
-rw-r--r--drivers/hid/hid-holtekff.c3
-rw-r--r--drivers/hid/hid-ids.h16
-rw-r--r--drivers/hid/hid-input.c11
-rw-r--r--drivers/hid/hid-lcpower.c2
-rw-r--r--drivers/hid/hid-lenovo-tpkbd.c149
-rw-r--r--drivers/hid/hid-lg.c20
-rw-r--r--drivers/hid/hid-lg.h4
-rw-r--r--drivers/hid/hid-lg4ff.c198
-rw-r--r--drivers/hid/hid-logitech-dj.c49
-rw-r--r--drivers/hid/hid-logitech-dj.h1
-rw-r--r--drivers/hid/hid-magicmouse.c2
-rw-r--r--drivers/hid/hid-microsoft.c1
-rw-r--r--drivers/hid/hid-monterey.c1
-rw-r--r--drivers/hid/hid-multitouch.c252
-rw-r--r--drivers/hid/hid-ntrig.c8
-rw-r--r--drivers/hid/hid-petalynx.c1
-rw-r--r--drivers/hid/hid-picolcd.c2748
-rw-r--r--drivers/hid/hid-picolcd.h309
-rw-r--r--drivers/hid/hid-picolcd_backlight.c122
-rw-r--r--drivers/hid/hid-picolcd_cir.c152
-rw-r--r--drivers/hid/hid-picolcd_core.c689
-rw-r--r--drivers/hid/hid-picolcd_debugfs.c899
-rw-r--r--drivers/hid/hid-picolcd_fb.c615
-rw-r--r--drivers/hid/hid-picolcd_lcd.c107
-rw-r--r--drivers/hid/hid-picolcd_leds.c175
-rw-r--r--drivers/hid/hid-primax.c25
-rw-r--r--drivers/hid/hid-prodikeys.c18
-rw-r--r--drivers/hid/hid-ps3remote.c215
-rw-r--r--drivers/hid/hid-samsung.c1
-rw-r--r--drivers/hid/hid-sony.c1
-rw-r--r--drivers/hid/hid-sunplus.c1
-rw-r--r--drivers/hid/hid-uclogic.c98
-rw-r--r--drivers/hid/hid-wacom.c170
-rw-r--r--drivers/hid/hid-waltop.c29
-rw-r--r--drivers/hid/hid-wiimote-ext.c97
-rw-r--r--drivers/hid/hidraw.c84
-rw-r--r--drivers/hid/usbhid/hid-core.c6
-rw-r--r--drivers/hid/usbhid/hid-quirks.c4
-rw-r--r--drivers/hwmon/ad7314.c8
-rw-r--r--drivers/hwmon/ads7871.c9
-rw-r--r--drivers/hwmon/applesmc.c4
-rw-r--r--drivers/hwmon/asus_atk0110.c6
-rw-r--r--drivers/hwmon/coretemp.c5
-rw-r--r--drivers/hwmon/fam15h_power.c15
-rw-r--r--drivers/hwmon/ina2xx.c30
-rw-r--r--drivers/hwmon/twl4030-madc-hwmon.c9
-rw-r--r--drivers/hwmon/via-cputemp.c5
-rw-r--r--drivers/hwspinlock/hwspinlock_core.c3
-rw-r--r--drivers/i2c/algos/i2c-algo-pca.c6
-rw-r--r--drivers/i2c/busses/Kconfig6
-rw-r--r--drivers/i2c/busses/Makefile5
-rw-r--r--drivers/i2c/busses/i2c-designware-core.c11
-rw-r--r--drivers/i2c/busses/i2c-i801.c3
-rw-r--r--drivers/i2c/busses/i2c-mxs.c13
-rw-r--r--drivers/i2c/busses/i2c-pnx.c53
-rw-r--r--drivers/i2c/i2c-core.c22
-rw-r--r--drivers/ide/ide-pm.c4
-rw-r--r--drivers/iio/adc/at91_adc.c2
-rw-r--r--drivers/infiniband/hw/cxgb4/cm.c2
-rw-r--r--drivers/infiniband/hw/ehca/ehca_irq.c250
-rw-r--r--drivers/infiniband/hw/ehca/ehca_irq.h6
-rw-r--r--drivers/infiniband/hw/mthca/mthca_reset.c8
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_verbs.c8
-rw-r--r--drivers/infiniband/hw/qib/qib.h2
-rw-r--r--drivers/infiniband/hw/qib/qib_mad.c3
-rw-r--r--drivers/infiniband/hw/qib/qib_pcie.c40
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib.h5
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c93
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_multicast.c2
-rw-r--r--drivers/input/evdev.c78
-rw-r--r--drivers/input/input-mt.c305
-rw-r--r--drivers/input/input.c254
-rw-r--r--drivers/input/keyboard/imx_keypad.c3
-rw-r--r--drivers/input/misc/ab8500-ponkey.c4
-rw-r--r--drivers/input/misc/uinput.c2
-rw-r--r--drivers/input/mouse/alps.c2
-rw-r--r--drivers/input/mouse/bcm5974.c348
-rw-r--r--drivers/input/mouse/elantech.c4
-rw-r--r--drivers/input/mouse/sentelic.c13
-rw-r--r--drivers/input/mouse/synaptics.c4
-rw-r--r--drivers/input/serio/ambakmi.c6
-rw-r--r--drivers/input/serio/i8042-x86ia64io.h20
-rw-r--r--drivers/input/tablet/wacom_wac.c12
-rw-r--r--drivers/input/touchscreen/atmel_mxt_ts.c2
-rw-r--r--drivers/input/touchscreen/cyttsp_core.c2
-rw-r--r--drivers/input/touchscreen/edt-ft5x06.c13
-rw-r--r--drivers/input/touchscreen/egalax_ts.c2
-rw-r--r--drivers/input/touchscreen/ili210x.c2
-rw-r--r--drivers/input/touchscreen/mms114.c2
-rw-r--r--drivers/input/touchscreen/penmount.c2
-rw-r--r--drivers/input/touchscreen/usbtouchscreen.c40
-rw-r--r--drivers/input/touchscreen/wacom_w8001.c2
-rw-r--r--drivers/iommu/amd_iommu.c6
-rw-r--r--drivers/iommu/intel-iommu.c6
-rw-r--r--drivers/isdn/hardware/mISDN/avmfritz.c3
-rw-r--r--drivers/isdn/hardware/mISDN/hfcmulti.c2
-rw-r--r--drivers/isdn/hardware/mISDN/mISDNipac.c3
-rw-r--r--drivers/isdn/hardware/mISDN/mISDNisar.c3
-rw-r--r--drivers/isdn/hardware/mISDN/netjet.c3
-rw-r--r--drivers/isdn/hardware/mISDN/w6692.c3
-rw-r--r--drivers/isdn/mISDN/hwchannel.c9
-rw-r--r--drivers/lguest/x86/core.c10
-rw-r--r--drivers/md/dm-mpath.c11
-rw-r--r--drivers/md/dm-table.c61
-rw-r--r--drivers/md/dm-thin.c135
-rw-r--r--drivers/md/dm-verity.c8
-rw-r--r--drivers/md/dm.c71
-rw-r--r--drivers/md/dm.h1
-rw-r--r--drivers/md/md.c6
-rw-r--r--drivers/md/raid10.c8
-rw-r--r--drivers/md/raid5.c7
-rw-r--r--drivers/media/dvb/ngene/ngene-cards.c2
-rw-r--r--drivers/mfd/88pm800.c5
-rw-r--r--drivers/mfd/88pm805.c3
-rw-r--r--drivers/mfd/88pm860x-core.c21
-rw-r--r--drivers/mfd/aat2870-core.c2
-rw-r--r--drivers/mfd/ab3100-core.c2
-rw-r--r--drivers/mfd/ab8500-core.c10
-rw-r--r--drivers/mfd/ab8500-gpadc.c2
-rw-r--r--drivers/mfd/arizona-core.c6
-rw-r--r--drivers/mfd/asic3.c6
-rw-r--r--drivers/mfd/cs5535-mfd.c2
-rw-r--r--drivers/mfd/da9052-core.c2
-rw-r--r--drivers/mfd/davinci_voicecodec.c2
-rw-r--r--drivers/mfd/db8500-prcmu.c2
-rw-r--r--drivers/mfd/htc-pasic3.c5
-rw-r--r--drivers/mfd/intel_msic.c4
-rw-r--r--drivers/mfd/janz-cmodio.c2
-rw-r--r--drivers/mfd/jz4740-adc.c3
-rw-r--r--drivers/mfd/lm3533-core.c7
-rw-r--r--drivers/mfd/lpc_ich.c24
-rw-r--r--drivers/mfd/lpc_sch.c6
-rw-r--r--drivers/mfd/max77686.c2
-rw-r--r--drivers/mfd/max77693-irq.c36
-rw-r--r--drivers/mfd/max77693.c16
-rw-r--r--drivers/mfd/max8925-core.c12
-rw-r--r--drivers/mfd/max8997.c2
-rw-r--r--drivers/mfd/max8998.c8
-rw-r--r--drivers/mfd/mc13xxx-core.c2
-rw-r--r--drivers/mfd/mfd-core.c12
-rw-r--r--drivers/mfd/palmas.c3
-rw-r--r--drivers/mfd/rc5t583.c4
-rw-r--r--drivers/mfd/rdc321x-southbridge.c5
-rw-r--r--drivers/mfd/sec-core.c8
-rw-r--r--drivers/mfd/sta2x11-mfd.c4
-rw-r--r--drivers/mfd/stmpe.c2
-rw-r--r--drivers/mfd/t7l66xb.c2
-rw-r--r--drivers/mfd/tc3589x.c8
-rw-r--r--drivers/mfd/tc6387xb.c2
-rw-r--r--drivers/mfd/tc6393xb.c4
-rw-r--r--drivers/mfd/ti-ssp.c2
-rw-r--r--drivers/mfd/timberdale.c12
-rw-r--r--drivers/mfd/tps6105x.c2
-rw-r--r--drivers/mfd/tps6507x.c2
-rw-r--r--drivers/mfd/tps65090.c2
-rw-r--r--drivers/mfd/tps65217.c130
-rw-r--r--drivers/mfd/tps6586x.c16
-rw-r--r--drivers/mfd/tps65910.c2
-rw-r--r--drivers/mfd/tps65911-comparator.c2
-rw-r--r--drivers/mfd/tps65912-core.c2
-rw-r--r--drivers/mfd/twl4030-audio.c2
-rw-r--r--drivers/mfd/twl6040-core.c2
-rw-r--r--drivers/mfd/vx855.c2
-rw-r--r--drivers/mfd/wl1273-core.c2
-rw-r--r--drivers/mfd/wm831x-core.c16
-rw-r--r--drivers/mfd/wm8400-core.c2
-rw-r--r--drivers/mfd/wm8994-core.c4
-rw-r--r--drivers/mfd/wm8994-irq.c1
-rw-r--r--drivers/mmc/card/block.c26
-rw-r--r--drivers/mmc/core/sdio.c2
-rw-r--r--drivers/mmc/host/at91_mci.c2
-rw-r--r--drivers/mmc/host/atmel-mci.c8
-rw-r--r--drivers/mmc/host/bfin_sdh.c7
-rw-r--r--drivers/mmc/host/dw_mmc.c85
-rw-r--r--drivers/mmc/host/mxs-mmc.c14
-rw-r--r--drivers/mmc/host/omap.c14
-rw-r--r--drivers/mmc/host/omap_hsmmc.c2
-rw-r--r--drivers/mmc/host/sdhci-esdhc-imx.c2
-rw-r--r--drivers/mmc/host/sdhci-esdhc.h6
-rw-r--r--drivers/mmc/host/vub300.c2
-rw-r--r--drivers/mtd/mtdchar.c48
-rw-r--r--drivers/mtd/ubi/vtbl.c4
-rw-r--r--drivers/net/can/janz-ican3.c4
-rw-r--r--drivers/net/can/mcp251x.c11
-rw-r--r--drivers/net/can/sja1000/sja1000_platform.c4
-rw-r--r--drivers/net/can/softing/softing_fw.c7
-rw-r--r--drivers/net/can/ti_hecc.c2
-rw-r--r--drivers/net/ethernet/3com/typhoon.c2
-rw-r--r--drivers/net/ethernet/atheros/atl1c/atl1c_main.c4
-rw-r--r--drivers/net/ethernet/atheros/atl1e/atl1e_main.c2
-rw-r--r--drivers/net/ethernet/broadcom/bnx2.c4
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x.h5
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c16
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h15
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_dump.h25
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-rw-r--r--drivers/staging/wlan-ng/cfg80211.c4
-rw-r--r--drivers/staging/zcache/zcache-main.c7
-rw-r--r--drivers/target/iscsi/iscsi_target_login.c11
-rw-r--r--drivers/target/iscsi/iscsi_target_parameters.c4
-rw-r--r--drivers/target/target_core_alua.c7
-rw-r--r--drivers/target/target_core_device.c7
-rw-r--r--drivers/target/target_core_iblock.c17
-rw-r--r--drivers/target/target_core_pr.c8
-rw-r--r--drivers/target/target_core_pscsi.c29
-rw-r--r--drivers/target/target_core_spc.c35
-rw-r--r--drivers/target/target_core_transport.c148
-rw-r--r--drivers/tty/serial/8250/8250_pci.c2
-rw-r--r--drivers/tty/serial/imx.c30
-rw-r--r--drivers/tty/serial/jsm/jsm_driver.c2
-rw-r--r--drivers/usb/chipidea/udc.c59
-rw-r--r--drivers/usb/class/cdc-wdm.c12
-rw-r--r--drivers/usb/core/devices.c2
-rw-r--r--drivers/usb/core/hcd.c6
-rw-r--r--drivers/usb/core/quirks.c4
-rw-r--r--drivers/usb/dwc3/core.c9
-rw-r--r--drivers/usb/dwc3/ep0.c1
-rw-r--r--drivers/usb/dwc3/gadget.c19
-rw-r--r--drivers/usb/gadget/at91_udc.c6
-rw-r--r--drivers/usb/gadget/dummy_hcd.c41
-rw-r--r--drivers/usb/gadget/f_fs.c4
-rw-r--r--drivers/usb/gadget/s3c-hsotg.c3
-rw-r--r--drivers/usb/gadget/u_serial.c4
-rw-r--r--drivers/usb/host/ehci-q.c12
-rw-r--r--drivers/usb/host/ohci-at91.c13
-rw-r--r--drivers/usb/host/pci-quirks.c42
-rw-r--r--drivers/usb/host/pci-quirks.h1
-rw-r--r--drivers/usb/host/xhci-hub.c42
-rw-r--r--drivers/usb/host/xhci-plat.c2
-rw-r--r--drivers/usb/host/xhci.c123
-rw-r--r--drivers/usb/host/xhci.h6
-rw-r--r--drivers/usb/musb/musb_host.c2
-rw-r--r--drivers/usb/musb/musbhsdma.c2
-rw-r--r--drivers/usb/musb/tusb6010.c2
-rw-r--r--drivers/usb/renesas_usbhs/fifo.c4
-rw-r--r--drivers/usb/serial/ftdi_sio.c22
-rw-r--r--drivers/usb/serial/ftdi_sio_ids.h29
-rw-r--r--drivers/usb/serial/option.c6
-rw-r--r--drivers/vfio/pci/vfio_pci_intrs.c76
-rw-r--r--drivers/video/auo_k190x.c2
-rw-r--r--drivers/video/backlight/88pm860x_bl.c1
-rw-r--r--drivers/video/console/bitblit.c2
-rw-r--r--drivers/video/console/fbcon.c2
-rw-r--r--drivers/video/efifb.c4
-rw-r--r--drivers/video/exynos/exynos_mipi_dsi.c2
-rw-r--r--drivers/video/mb862xx/mb862xxfbdrv.c2
-rw-r--r--drivers/video/omap2/dss/sdi.c14
-rw-r--r--drivers/video/omap2/omapfb/omapfb-main.c2
-rw-r--r--drivers/video/tmiofb.c4
-rw-r--r--drivers/w1/masters/ds1wm.c2
-rw-r--r--drivers/watchdog/booke_wdt.c7
-rw-r--r--drivers/watchdog/da9052_wdt.c1
-rw-r--r--drivers/watchdog/hpwdt.c3
-rw-r--r--drivers/watchdog/watchdog_core.c3
-rw-r--r--drivers/xen/gntdev.c5
-rw-r--r--drivers/xen/grant-table.c6
-rw-r--r--drivers/xen/platform-pci.c15
-rw-r--r--drivers/xen/swiotlb-xen.c2
-rw-r--r--drivers/xen/xen-pciback/pci_stub.c10
712 files changed, 15635 insertions, 9117 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 80998958cf4..119d58db834 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -385,8 +385,8 @@ config ACPI_CUSTOM_METHOD
to override that restriction).
config ACPI_BGRT
- tristate "Boottime Graphics Resource Table support"
- default n
+ bool "Boottime Graphics Resource Table support"
+ depends on EFI
help
This driver adds support for exposing the ACPI Boottime Graphics
Resource Table, which allows the operating system to obtain
diff --git a/drivers/acpi/bgrt.c b/drivers/acpi/bgrt.c
index 6680df36b96..be603995854 100644
--- a/drivers/acpi/bgrt.c
+++ b/drivers/acpi/bgrt.c
@@ -1,5 +1,6 @@
/*
* Copyright 2012 Red Hat, Inc <mjg@redhat.com>
+ * Copyright 2012 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -11,20 +12,10 @@
#include <linux/init.h>
#include <linux/device.h>
#include <linux/sysfs.h>
-#include <linux/io.h>
-#include <acpi/acpi.h>
-#include <acpi/acpi_bus.h>
+#include <linux/efi-bgrt.h>
-static struct acpi_table_bgrt *bgrt_tab;
static struct kobject *bgrt_kobj;
-struct bmp_header {
- u16 id;
- u32 size;
-} __attribute ((packed));
-
-static struct bmp_header bmp_header;
-
static ssize_t show_version(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -63,18 +54,7 @@ static DEVICE_ATTR(yoffset, S_IRUGO, show_yoffset, NULL);
static ssize_t show_image(struct file *file, struct kobject *kobj,
struct bin_attribute *attr, char *buf, loff_t off, size_t count)
{
- int size = attr->size;
- void __iomem *image = attr->private;
-
- if (off >= size) {
- count = 0;
- } else {
- if (off + count > size)
- count = size - off;
-
- memcpy_fromio(buf, image+off, count);
- }
-
+ memcpy(buf, attr->private + off, count);
return count;
}
@@ -101,45 +81,18 @@ static struct attribute_group bgrt_attribute_group = {
static int __init bgrt_init(void)
{
- acpi_status status;
int ret;
- void __iomem *bgrt;
- if (acpi_disabled)
- return -ENODEV;
-
- status = acpi_get_table("BGRT", 0,
- (struct acpi_table_header **)&bgrt_tab);
-
- if (ACPI_FAILURE(status))
+ if (!bgrt_image)
return -ENODEV;
sysfs_bin_attr_init(&image_attr);
-
- bgrt = ioremap(bgrt_tab->image_address, sizeof(struct bmp_header));
-
- if (!bgrt) {
- ret = -EINVAL;
- goto out_err;
- }
-
- memcpy_fromio(&bmp_header, bgrt, sizeof(bmp_header));
- image_attr.size = bmp_header.size;
- iounmap(bgrt);
-
- image_attr.private = ioremap(bgrt_tab->image_address, image_attr.size);
-
- if (!image_attr.private) {
- ret = -EINVAL;
- goto out_err;
- }
-
+ image_attr.private = bgrt_image;
+ image_attr.size = bgrt_image_size;
bgrt_kobj = kobject_create_and_add("bgrt", acpi_kobj);
- if (!bgrt_kobj) {
- ret = -EINVAL;
- goto out_iounmap;
- }
+ if (!bgrt_kobj)
+ return -EINVAL;
ret = sysfs_create_group(bgrt_kobj, &bgrt_attribute_group);
if (ret)
@@ -155,22 +108,11 @@ out_group:
sysfs_remove_group(bgrt_kobj, &bgrt_attribute_group);
out_kobject:
kobject_put(bgrt_kobj);
-out_iounmap:
- iounmap(image_attr.private);
-out_err:
return ret;
}
-static void __exit bgrt_exit(void)
-{
- iounmap(image_attr.private);
- sysfs_remove_group(bgrt_kobj, &bgrt_attribute_group);
- sysfs_remove_bin_file(bgrt_kobj, &image_attr);
-}
-
module_init(bgrt_init);
-module_exit(bgrt_exit);
-MODULE_AUTHOR("Matthew Garrett");
+MODULE_AUTHOR("Matthew Garrett, Josh Triplett <josh@joshtriplett.org>");
MODULE_DESCRIPTION("BGRT boot graphic support");
MODULE_LICENSE("GPL");
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 9628652e080..e0596954290 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -237,6 +237,16 @@ static int __acpi_bus_get_power(struct acpi_device *device, int *state)
} else if (result == ACPI_STATE_D3_HOT) {
result = ACPI_STATE_D3;
}
+
+ /*
+ * If we were unsure about the device parent's power state up to this
+ * point, the fact that the device is in D0 implies that the parent has
+ * to be in D0 too.
+ */
+ if (device->parent && device->parent->power.state == ACPI_STATE_UNKNOWN
+ && result == ACPI_STATE_D0)
+ device->parent->power.state = ACPI_STATE_D0;
+
*state = result;
out:
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 72a2c98bc42..bce469c0b48 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -27,7 +27,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
-#include <linux/spinlock.h>
+#include <linux/mutex.h>
#include <linux/pm.h>
#include <linux/pm_runtime.h>
#include <linux/pci.h>
@@ -71,9 +71,11 @@ static struct acpi_driver acpi_pci_root_driver = {
},
};
+/* Lock to protect both acpi_pci_roots and acpi_pci_drivers lists */
+static DEFINE_MUTEX(acpi_pci_root_lock);
static LIST_HEAD(acpi_pci_roots);
+static LIST_HEAD(acpi_pci_drivers);
-static struct acpi_pci_driver *sub_driver;
static DEFINE_MUTEX(osc_lock);
int acpi_pci_register_driver(struct acpi_pci_driver *driver)
@@ -81,55 +83,46 @@ int acpi_pci_register_driver(struct acpi_pci_driver *driver)
int n = 0;
struct acpi_pci_root *root;
- struct acpi_pci_driver **pptr = &sub_driver;
- while (*pptr)
- pptr = &(*pptr)->next;
- *pptr = driver;
-
- if (!driver->add)
- return 0;
-
- list_for_each_entry(root, &acpi_pci_roots, node) {
- driver->add(root->device->handle);
- n++;
- }
+ mutex_lock(&acpi_pci_root_lock);
+ list_add_tail(&driver->node, &acpi_pci_drivers);
+ if (driver->add)
+ list_for_each_entry(root, &acpi_pci_roots, node) {
+ driver->add(root);
+ n++;
+ }
+ mutex_unlock(&acpi_pci_root_lock);
return n;
}
-
EXPORT_SYMBOL(acpi_pci_register_driver);
void acpi_pci_unregister_driver(struct acpi_pci_driver *driver)
{
struct acpi_pci_root *root;
- struct acpi_pci_driver **pptr = &sub_driver;
- while (*pptr) {
- if (*pptr == driver)
- break;
- pptr = &(*pptr)->next;
- }
- BUG_ON(!*pptr);
- *pptr = (*pptr)->next;
-
- if (!driver->remove)
- return;
-
- list_for_each_entry(root, &acpi_pci_roots, node)
- driver->remove(root->device->handle);
+ mutex_lock(&acpi_pci_root_lock);
+ list_del(&driver->node);
+ if (driver->remove)
+ list_for_each_entry(root, &acpi_pci_roots, node)
+ driver->remove(root);
+ mutex_unlock(&acpi_pci_root_lock);
}
-
EXPORT_SYMBOL(acpi_pci_unregister_driver);
acpi_handle acpi_get_pci_rootbridge_handle(unsigned int seg, unsigned int bus)
{
struct acpi_pci_root *root;
+ acpi_handle handle = NULL;
+ mutex_lock(&acpi_pci_root_lock);
list_for_each_entry(root, &acpi_pci_roots, node)
if ((root->segment == (u16) seg) &&
- (root->secondary.start == (u16) bus))
- return root->device->handle;
- return NULL;
+ (root->secondary.start == (u16) bus)) {
+ handle = root->device->handle;
+ break;
+ }
+ mutex_unlock(&acpi_pci_root_lock);
+ return handle;
}
EXPORT_SYMBOL_GPL(acpi_get_pci_rootbridge_handle);
@@ -277,12 +270,15 @@ static acpi_status acpi_pci_osc_support(struct acpi_pci_root *root, u32 flags)
struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle)
{
struct acpi_pci_root *root;
+ struct acpi_device *device;
- list_for_each_entry(root, &acpi_pci_roots, node) {
- if (root->device->handle == handle)
- return root;
- }
- return NULL;
+ if (acpi_bus_get_device(handle, &device) ||
+ acpi_match_device_ids(device, root_device_ids))
+ return NULL;
+
+ root = acpi_driver_data(device);
+
+ return root;
}
EXPORT_SYMBOL_GPL(acpi_pci_find_root);
@@ -518,8 +514,9 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
* TBD: Need PCI interface for enumeration/configuration of roots.
*/
- /* TBD: Locking */
+ mutex_lock(&acpi_pci_root_lock);
list_add_tail(&root->node, &acpi_pci_roots);
+ mutex_unlock(&acpi_pci_root_lock);
printk(KERN_INFO PREFIX "%s [%s] (domain %04x %pR)\n",
acpi_device_name(device), acpi_device_bid(device),
@@ -538,7 +535,7 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
"Bus %04x:%02x not present in PCI namespace\n",
root->segment, (unsigned int)root->secondary.start);
result = -ENODEV;
- goto end;
+ goto out_del_root;
}
/*
@@ -548,7 +545,7 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
*/
result = acpi_pci_bind_root(device);
if (result)
- goto end;
+ goto out_del_root;
/*
* PCI Routing Table
@@ -633,9 +630,11 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
return 0;
+out_del_root:
+ mutex_lock(&acpi_pci_root_lock);
+ list_del(&root->node);
+ mutex_unlock(&acpi_pci_root_lock);
end:
- if (!list_empty(&root->node))
- list_del(&root->node);
kfree(root);
return result;
}
@@ -643,18 +642,34 @@ end:
static int acpi_pci_root_start(struct acpi_device *device)
{
struct acpi_pci_root *root = acpi_driver_data(device);
+ struct acpi_pci_driver *driver;
+
+ mutex_lock(&acpi_pci_root_lock);
+ list_for_each_entry(driver, &acpi_pci_drivers, node)
+ if (driver->add)
+ driver->add(root);
+ mutex_unlock(&acpi_pci_root_lock);
pci_bus_add_devices(root->bus);
+
return 0;
}
static int acpi_pci_root_remove(struct acpi_device *device, int type)
{
struct acpi_pci_root *root = acpi_driver_data(device);
+ struct acpi_pci_driver *driver;
+
+ mutex_lock(&acpi_pci_root_lock);
+ list_for_each_entry(driver, &acpi_pci_drivers, node)
+ if (driver->remove)
+ driver->remove(root);
device_set_run_wake(root->bus->bridge, false);
pci_acpi_remove_bus_pm_notifier(device);
+ list_del(&root->node);
+ mutex_unlock(&acpi_pci_root_lock);
kfree(root);
return 0;
}
diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c
index e50e31a518a..d22585f21ae 100644
--- a/drivers/acpi/pci_slot.c
+++ b/drivers/acpi/pci_slot.c
@@ -67,8 +67,8 @@ struct acpi_pci_slot {
struct list_head list; /* node in the list of slots */
};
-static int acpi_pci_slot_add(acpi_handle handle);
-static void acpi_pci_slot_remove(acpi_handle handle);
+static int acpi_pci_slot_add(struct acpi_pci_root *root);
+static void acpi_pci_slot_remove(struct acpi_pci_root *root);
static LIST_HEAD(slot_list);
static DEFINE_MUTEX(slot_list_lock);
@@ -233,45 +233,20 @@ out:
/*
* walk_root_bridge - generic root bridge walker
- * @handle: points to an acpi_pci_root
+ * @root: poiner of an acpi_pci_root
* @user_function: user callback for slot objects
*
* Call user_function for all objects underneath this root bridge.
* Walk p2p bridges underneath us and call user_function on those too.
*/
static int
-walk_root_bridge(acpi_handle handle, acpi_walk_callback user_function)
+walk_root_bridge(struct acpi_pci_root *root, acpi_walk_callback user_function)
{
- int seg, bus;
- unsigned long long tmp;
acpi_status status;
- acpi_handle dummy_handle;
- struct pci_bus *pci_bus;
+ acpi_handle handle = root->device->handle;
+ struct pci_bus *pci_bus = root->bus;
struct callback_args context;
- /* If the bridge doesn't have _STA, we assume it is always there */
- status = acpi_get_handle(handle, "_STA", &dummy_handle);
- if (ACPI_SUCCESS(status)) {
- status = acpi_evaluate_integer(handle, "_STA", NULL, &tmp);
- if (ACPI_FAILURE(status)) {
- info("%s: _STA evaluation failure\n", __func__);
- return 0;
- }
- if ((tmp & ACPI_STA_DEVICE_FUNCTIONING) == 0)
- /* don't register this object */
- return 0;
- }
-
- status = acpi_evaluate_integer(handle, "_SEG", NULL, &tmp);
- seg = ACPI_SUCCESS(status) ? tmp : 0;
-
- status = acpi_evaluate_integer(handle, "_BBN", NULL, &tmp);
- bus = ACPI_SUCCESS(status) ? tmp : 0;
-
- pci_bus = pci_find_bus(seg, bus);
- if (!pci_bus)
- return 0;
-
context.pci_bus = pci_bus;
context.user_function = user_function;
context.root_handle = handle;
@@ -295,11 +270,11 @@ walk_root_bridge(acpi_handle handle, acpi_walk_callback user_function)
* @handle: points to an acpi_pci_root
*/
static int
-acpi_pci_slot_add(acpi_handle handle)
+acpi_pci_slot_add(struct acpi_pci_root *root)
{
acpi_status status;
- status = walk_root_bridge(handle, register_slot);
+ status = walk_root_bridge(root, register_slot);
if (ACPI_FAILURE(status))
err("%s: register_slot failure - %d\n", __func__, status);
@@ -311,10 +286,11 @@ acpi_pci_slot_add(acpi_handle handle)
* @handle: points to an acpi_pci_root
*/
static void
-acpi_pci_slot_remove(acpi_handle handle)
+acpi_pci_slot_remove(struct acpi_pci_root *root)
{
struct acpi_pci_slot *slot, *tmp;
struct pci_bus *pbus;
+ acpi_handle handle = root->device->handle;
mutex_lock(&slot_list_lock);
list_for_each_entry_safe(slot, tmp, &slot_list, list) {
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index fc180341462..40e38a06ba8 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -107,6 +107,7 @@ struct acpi_power_resource {
/* List of devices relying on this power resource */
struct acpi_power_resource_device *devices;
+ struct mutex devices_lock;
};
static struct list_head acpi_power_resource_list;
@@ -225,7 +226,6 @@ static void acpi_power_on_device(struct acpi_power_managed_device *device)
static int __acpi_power_on(struct acpi_power_resource *resource)
{
- struct acpi_power_resource_device *device_list = resource->devices;
acpi_status status = AE_OK;
status = acpi_evaluate_object(resource->device->handle, "_ON", NULL, NULL);
@@ -238,19 +238,15 @@ static int __acpi_power_on(struct acpi_power_resource *resource)
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Power resource [%s] turned on\n",
resource->name));
- while (device_list) {
- acpi_power_on_device(device_list->device);
-
- device_list = device_list->next;
- }
-
return 0;
}
static int acpi_power_on(acpi_handle handle)
{
int result = 0;
+ bool resume_device = false;
struct acpi_power_resource *resource = NULL;
+ struct acpi_power_resource_device *device_list;
result = acpi_power_get_context(handle, &resource);
if (result)
@@ -266,10 +262,25 @@ static int acpi_power_on(acpi_handle handle)
result = __acpi_power_on(resource);
if (result)
resource->ref_count--;
+ else
+ resume_device = true;
}
mutex_unlock(&resource->resource_lock);
+ if (!resume_device)
+ return result;
+
+ mutex_lock(&resource->devices_lock);
+
+ device_list = resource->devices;
+ while (device_list) {
+ acpi_power_on_device(device_list->device);
+ device_list = device_list->next;
+ }
+
+ mutex_unlock(&resource->devices_lock);
+
return result;
}
@@ -355,7 +366,7 @@ static void __acpi_power_resource_unregister_device(struct device *dev,
if (acpi_power_get_context(res_handle, &resource))
return;
- mutex_lock(&resource->resource_lock);
+ mutex_lock(&resource->devices_lock);
prev = NULL;
curr = resource->devices;
while (curr) {
@@ -372,7 +383,7 @@ static void __acpi_power_resource_unregister_device(struct device *dev,
prev = curr;
curr = curr->next;
}
- mutex_unlock(&resource->resource_lock);
+ mutex_unlock(&resource->devices_lock);
}
/* Unlink dev from all power resources in _PR0 */
@@ -414,10 +425,10 @@ static int __acpi_power_resource_register_device(
power_resource_device->device = powered_device;
- mutex_lock(&resource->resource_lock);
+ mutex_lock(&resource->devices_lock);
power_resource_device->next = resource->devices;
resource->devices = power_resource_device;
- mutex_unlock(&resource->resource_lock);
+ mutex_unlock(&resource->devices_lock);
return 0;
}
@@ -462,7 +473,7 @@ int acpi_power_resource_register_device(struct device *dev, acpi_handle handle)
return ret;
no_power_resource:
- printk(KERN_WARNING PREFIX "Invalid Power Resource to register!");
+ printk(KERN_DEBUG PREFIX "Invalid Power Resource to register!");
return -ENODEV;
}
EXPORT_SYMBOL_GPL(acpi_power_resource_register_device);
@@ -721,6 +732,7 @@ static int acpi_power_add(struct acpi_device *device)
resource->device = device;
mutex_init(&resource->resource_lock);
+ mutex_init(&resource->devices_lock);
strcpy(resource->name, device->pnp.bus_id);
strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_POWER_CLASS);
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 2be8ef1d309..27cecd313e7 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -115,7 +115,7 @@ config SATA_SIL24
If unsure, say N.
config ATA_SFF
- bool "ATA SFF support"
+ bool "ATA SFF support (for legacy IDE and PATA)"
default y
help
This option adds support for ATA controllers with SFF
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 062e6a1a248..7862d17976b 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -256,10 +256,21 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x8c07), board_ahci }, /* Lynx Point RAID */
{ PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */
{ PCI_VDEVICE(INTEL, 0x8c0f), board_ahci }, /* Lynx Point RAID */
+ { PCI_VDEVICE(INTEL, 0x9c02), board_ahci }, /* Lynx Point-LP AHCI */
+ { PCI_VDEVICE(INTEL, 0x9c03), board_ahci }, /* Lynx Point-LP AHCI */
+ { PCI_VDEVICE(INTEL, 0x9c04), board_ahci }, /* Lynx Point-LP RAID */
+ { PCI_VDEVICE(INTEL, 0x9c05), board_ahci }, /* Lynx Point-LP RAID */
+ { PCI_VDEVICE(INTEL, 0x9c06), board_ahci }, /* Lynx Point-LP RAID */
+ { PCI_VDEVICE(INTEL, 0x9c07), board_ahci }, /* Lynx Point-LP RAID */
+ { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci }, /* Lynx Point-LP RAID */
+ { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci }, /* Lynx Point-LP RAID */
/* JMicron 360/1/3/5/6, match class to avoid IDE function */
{ PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
+ /* JMicron 362B and 362C have an AHCI function with IDE class code */
+ { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
+ { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
/* ATI */
{ PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
@@ -385,6 +396,8 @@ static const struct pci_device_id ahci_pci_tbl[] = {
.driver_data = board_ahci_yes_fbs }, /* 88se9125 */
{ PCI_DEVICE(0x1b4b, 0x917a),
.driver_data = board_ahci_yes_fbs }, /* 88se9172 */
+ { PCI_DEVICE(0x1b4b, 0x9192),
+ .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
{ PCI_DEVICE(0x1b4b, 0x91a3),
.driver_data = board_ahci_yes_fbs },
@@ -392,7 +405,10 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
/* Asmedia */
- { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1061 */
+ { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
+ { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
+ { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
+ { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
/* Generic, PCI class code for AHCI */
{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index c2594ddf25b..57eb1c212a4 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -320,6 +320,7 @@ extern struct device_attribute *ahci_sdev_attrs[];
extern struct ata_port_operations ahci_ops;
extern struct ata_port_operations ahci_pmp_retry_srst_ops;
+unsigned int ahci_dev_classify(struct ata_port *ap);
void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
u32 opts);
void ahci_save_initial_config(struct device *dev,
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 3c809bfbccf..ef773e12af7 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -329,6 +329,14 @@ static const struct pci_device_id piix_pci_tbl[] = {
{ 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* SATA Controller IDE (Lynx Point) */
{ 0x8086, 0x8c09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+ /* SATA Controller IDE (Lynx Point-LP) */
+ { 0x8086, 0x9c00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
+ /* SATA Controller IDE (Lynx Point-LP) */
+ { 0x8086, 0x9c01, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
+ /* SATA Controller IDE (Lynx Point-LP) */
+ { 0x8086, 0x9c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+ /* SATA Controller IDE (Lynx Point-LP) */
+ { 0x8086, 0x9c09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* SATA Controller IDE (DH89xxCC) */
{ 0x8086, 0x2326, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
{ } /* terminate list */
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index f9eaa82311a..555c07afa05 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -1139,7 +1139,7 @@ static void ahci_dev_config(struct ata_device *dev)
}
}
-static unsigned int ahci_dev_classify(struct ata_port *ap)
+unsigned int ahci_dev_classify(struct ata_port *ap)
{
void __iomem *port_mmio = ahci_port_base(ap);
struct ata_taskfile tf;
@@ -1153,6 +1153,7 @@ static unsigned int ahci_dev_classify(struct ata_port *ap)
return ata_dev_classify(&tf);
}
+EXPORT_SYMBOL_GPL(ahci_dev_classify);
void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
u32 opts)
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 902b5a45717..fd9ecf74e63 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -60,17 +60,7 @@ acpi_handle ata_ap_acpi_handle(struct ata_port *ap)
if (ap->flags & ATA_FLAG_ACPI_SATA)
return NULL;
- /*
- * If acpi bind operation has already happened, we can get the handle
- * for the port by checking the corresponding scsi_host device's
- * firmware node, otherwise we will need to find out the handle from
- * its parent's acpi node.
- */
- if (ap->scsi_host)
- return DEVICE_ACPI_HANDLE(&ap->scsi_host->shost_gendev);
- else
- return acpi_get_child(DEVICE_ACPI_HANDLE(ap->host->dev),
- ap->port_no);
+ return acpi_get_child(DEVICE_ACPI_HANDLE(ap->host->dev), ap->port_no);
}
EXPORT_SYMBOL(ata_ap_acpi_handle);
@@ -1101,6 +1091,9 @@ static int ata_acpi_bind_host(struct ata_port *ap, acpi_handle *handle)
if (!*handle)
return -ENODEV;
+ if (ata_acpi_gtm(ap, &ap->__acpi_init_gtm) == 0)
+ ap->pflags |= ATA_PFLAG_INIT_GTM_VALID;
+
return 0;
}
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index fadd5866d40..8e1039c8e15 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4062,7 +4062,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "_NEC DV5800A", NULL, ATA_HORKAGE_NODMA },
{ "SAMSUNG CD-ROM SN-124", "N001", ATA_HORKAGE_NODMA },
{ "Seagate STT20000A", NULL, ATA_HORKAGE_NODMA },
- { "2GB ATA Flash Disk", "ADMA428M", ATA_HORKAGE_NODMA },
+ { " 2GB ATA Flash Disk", "ADMA428M", ATA_HORKAGE_NODMA },
/* Odd clown on sil3726/4726 PMPs */
{ "Config Disk", NULL, ATA_HORKAGE_DISABLE },
@@ -4128,6 +4128,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
/* Devices that do not need bridging limits applied */
{ "MTRON MSP-SATA*", NULL, ATA_HORKAGE_BRIDGE_OK, },
+ { "BUFFALO HD-QSU2/R5", NULL, ATA_HORKAGE_BRIDGE_OK, },
/* Devices which aren't very happy with higher link speeds */
{ "WD My Book", NULL, ATA_HORKAGE_1_5_GBPS, },
diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c
index 361c75cea57..24e51056ac2 100644
--- a/drivers/ata/pata_atiixp.c
+++ b/drivers/ata/pata_atiixp.c
@@ -20,6 +20,7 @@
#include <linux/delay.h>
#include <scsi/scsi_host.h>
#include <linux/libata.h>
+#include <linux/dmi.h>
#define DRV_NAME "pata_atiixp"
#define DRV_VERSION "0.4.6"
@@ -33,11 +34,26 @@ enum {
ATIIXP_IDE_UDMA_MODE = 0x56
};
+static const struct dmi_system_id attixp_cable_override_dmi_table[] = {
+ {
+ /* Board has onboard PATA<->SATA converters */
+ .ident = "MSI E350DM-E33",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "MSI"),
+ DMI_MATCH(DMI_BOARD_NAME, "E350DM-E33(MS-7720)"),
+ },
+ },
+ { }
+};
+
static int atiixp_cable_detect(struct ata_port *ap)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u8 udma;
+ if (dmi_check_system(attixp_cable_override_dmi_table))
+ return ATA_CBL_PATA40_SHORT;
+
/* Hack from drivers/ide/pci. Really we want to know how to do the
raw detection not play follow the bios mode guess */
pci_read_config_byte(pdev, ATIIXP_IDE_UDMA_MODE + ap->port_no, &udma);
diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c
index 78efb0306a4..34d94c762a1 100644
--- a/drivers/base/dma-contiguous.c
+++ b/drivers/base/dma-contiguous.c
@@ -250,7 +250,7 @@ int __init dma_declare_contiguous(struct device *dev, unsigned long size,
return -EINVAL;
/* Sanitise input arguments */
- alignment = PAGE_SIZE << max(MAX_ORDER, pageblock_order);
+ alignment = PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order);
base = ALIGN(base, alignment);
size = ALIGN(size, alignment);
limit &= ~(alignment - 1);
diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c
index a89734621e5..5b6b1d8e6cc 100644
--- a/drivers/base/regmap/regmap-irq.c
+++ b/drivers/base/regmap/regmap-irq.c
@@ -16,12 +16,14 @@
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/irqdomain.h>
+#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include "internal.h"
struct regmap_irq_chip_data {
struct mutex lock;
+ struct irq_chip irq_chip;
struct regmap *map;
const struct regmap_irq_chip *chip;
@@ -59,6 +61,14 @@ static void regmap_irq_sync_unlock(struct irq_data *data)
struct regmap_irq_chip_data *d = irq_data_get_irq_chip_data(data);
struct regmap *map = d->map;
int i, ret;
+ u32 reg;
+
+ if (d->chip->runtime_pm) {
+ ret = pm_runtime_get_sync(map->dev);
+ if (ret < 0)
+ dev_err(map->dev, "IRQ sync failed to resume: %d\n",
+ ret);
+ }
/*
* If there's been a change in the mask write it back to the
@@ -66,15 +76,22 @@ static void regmap_irq_sync_unlock(struct irq_data *data)
* suppress pointless writes.
*/
for (i = 0; i < d->chip->num_regs; i++) {
- ret = regmap_update_bits(d->map, d->chip->mask_base +
- (i * map->reg_stride *
- d->irq_reg_stride),
+ reg = d->chip->mask_base +
+ (i * map->reg_stride * d->irq_reg_stride);
+ if (d->chip->mask_invert)
+ ret = regmap_update_bits(d->map, reg,
+ d->mask_buf_def[i], ~d->mask_buf[i]);
+ else
+ ret = regmap_update_bits(d->map, reg,
d->mask_buf_def[i], d->mask_buf[i]);
if (ret != 0)
dev_err(d->map->dev, "Failed to sync masks in %x\n",
- d->chip->mask_base + (i * map->reg_stride));
+ reg);
}
+ if (d->chip->runtime_pm)
+ pm_runtime_put(map->dev);
+
/* If we've changed our wakeup count propagate it to the parent */
if (d->wake_count < 0)
for (i = d->wake_count; i < 0; i++)
@@ -128,8 +145,7 @@ static int regmap_irq_set_wake(struct irq_data *data, unsigned int on)
return 0;
}
-static struct irq_chip regmap_irq_chip = {
- .name = "regmap",
+static const struct irq_chip regmap_irq_chip = {
.irq_bus_lock = regmap_irq_lock,
.irq_bus_sync_unlock = regmap_irq_sync_unlock,
.irq_disable = regmap_irq_disable,
@@ -144,6 +160,16 @@ static irqreturn_t regmap_irq_thread(int irq, void *d)
struct regmap *map = data->map;
int ret, i;
bool handled = false;
+ u32 reg;
+
+ if (chip->runtime_pm) {
+ ret = pm_runtime_get_sync(map->dev);
+ if (ret < 0) {
+ dev_err(map->dev, "IRQ thread failed to resume: %d\n",
+ ret);
+ return IRQ_NONE;
+ }
+ }
/*
* Ignore masked IRQs and ack if we need to; we ack early so
@@ -160,20 +186,20 @@ static irqreturn_t regmap_irq_thread(int irq, void *d)
if (ret != 0) {
dev_err(map->dev, "Failed to read IRQ status: %d\n",
ret);
+ if (chip->runtime_pm)
+ pm_runtime_put(map->dev);
return IRQ_NONE;
}
data->status_buf[i] &= ~data->mask_buf[i];
if (data->status_buf[i] && chip->ack_base) {
- ret = regmap_write(map, chip->ack_base +
- (i * map->reg_stride *
- data->irq_reg_stride),
- data->status_buf[i]);
+ reg = chip->ack_base +
+ (i * map->reg_stride * data->irq_reg_stride);
+ ret = regmap_write(map, reg, data->status_buf[i]);
if (ret != 0)
dev_err(map->dev, "Failed to ack 0x%x: %d\n",
- chip->ack_base + (i * map->reg_stride),
- ret);
+ reg, ret);
}
}
@@ -185,6 +211,9 @@ static irqreturn_t regmap_irq_thread(int irq, void *d)
}
}
+ if (chip->runtime_pm)
+ pm_runtime_put(map->dev);
+
if (handled)
return IRQ_HANDLED;
else
@@ -197,7 +226,7 @@ static int regmap_irq_map(struct irq_domain *h, unsigned int virq,
struct regmap_irq_chip_data *data = h->host_data;
irq_set_chip_data(virq, data);
- irq_set_chip_and_handler(virq, &regmap_irq_chip, handle_edge_irq);
+ irq_set_chip(virq, &data->irq_chip);
irq_set_nested_thread(virq, 1);
/* ARM needs us to explicitly flag the IRQ as valid
@@ -238,6 +267,7 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
struct regmap_irq_chip_data *d;
int i;
int ret = -ENOMEM;
+ u32 reg;
for (i = 0; i < chip->num_irqs; i++) {
if (chip->irqs[i].reg_offset % map->reg_stride)
@@ -284,6 +314,13 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
goto err_alloc;
}
+ d->irq_chip = regmap_irq_chip;
+ d->irq_chip.name = chip->name;
+ if (!chip->wake_base) {
+ d->irq_chip.irq_set_wake = NULL;
+ d->irq_chip.flags |= IRQCHIP_MASK_ON_SUSPEND |
+ IRQCHIP_SKIP_SET_WAKE;
+ }
d->irq = irq;
d->map = map;
d->chip = chip;
@@ -303,16 +340,37 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
/* Mask all the interrupts by default */
for (i = 0; i < chip->num_regs; i++) {
d->mask_buf[i] = d->mask_buf_def[i];
- ret = regmap_write(map, chip->mask_base + (i * map->reg_stride
- * d->irq_reg_stride),
- d->mask_buf[i]);
+ reg = chip->mask_base +
+ (i * map->reg_stride * d->irq_reg_stride);
+ if (chip->mask_invert)
+ ret = regmap_update_bits(map, reg,
+ d->mask_buf[i], ~d->mask_buf[i]);
+ else
+ ret = regmap_update_bits(map, reg,
+ d->mask_buf[i], d->mask_buf[i]);
if (ret != 0) {
dev_err(map->dev, "Failed to set masks in 0x%x: %d\n",
- chip->mask_base + (i * map->reg_stride), ret);
+ reg, ret);
goto err_alloc;
}
}
+ /* Wake is disabled by default */
+ if (d->wake_buf) {
+ for (i = 0; i < chip->num_regs; i++) {
+ d->wake_buf[i] = d->mask_buf_def[i];
+ reg = chip->wake_base +
+ (i * map->reg_stride * d->irq_reg_stride);
+ ret = regmap_update_bits(map, reg, d->wake_buf[i],
+ d->wake_buf[i]);
+ if (ret != 0) {
+ dev_err(map->dev, "Failed to set masks in 0x%x: %d\n",
+ reg, ret);
+ goto err_alloc;
+ }
+ }
+ }
+
if (irq_base)
d->domain = irq_domain_add_legacy(map->dev->of_node,
chip->num_irqs, irq_base, 0,
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index c241ae2f2f1..52069d29ff1 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -659,13 +659,12 @@ EXPORT_SYMBOL_GPL(devm_regmap_init);
* new cache. This can be used to restore the cache to defaults or to
* update the cache configuration to reflect runtime discovery of the
* hardware.
+ *
+ * No explicit locking is done here, the user needs to ensure that
+ * this function will not race with other calls to regmap.
*/
int regmap_reinit_cache(struct regmap *map, const struct regmap_config *config)
{
- int ret;
-
- map->lock(map);
-
regcache_exit(map);
regmap_debugfs_exit(map);
@@ -681,11 +680,7 @@ int regmap_reinit_cache(struct regmap *map, const struct regmap_config *config)
map->cache_bypass = false;
map->cache_only = false;
- ret = regcache_init(map, config);
-
- map->unlock(map);
-
- return ret;
+ return regcache_init(map, config);
}
EXPORT_SYMBOL_GPL(regmap_reinit_cache);
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index de0435e63b0..887f68f6d79 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -35,6 +35,7 @@ new_skb(ulong len)
skb_reset_mac_header(skb);
skb_reset_network_header(skb);
skb->protocol = __constant_htons(ETH_P_AOE);
+ skb_checksum_none_assert(skb);
}
return skb;
}
diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c
index 38aa6dda6b8..da3311129a0 100644
--- a/drivers/block/cciss_scsi.c
+++ b/drivers/block/cciss_scsi.c
@@ -795,6 +795,7 @@ static void complete_scsi_command(CommandList_struct *c, int timeout,
}
break;
case CMD_PROTOCOL_ERR:
+ cmd->result = DID_ERROR << 16;
dev_warn(&h->pdev->dev,
"%p has protocol error\n", c);
break;
diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index ba91b408aba..d8456649674 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -889,6 +889,7 @@ struct bm_aio_ctx {
unsigned int done;
unsigned flags;
#define BM_AIO_COPY_PAGES 1
+#define BM_WRITE_ALL_PAGES 2
int error;
struct kref kref;
};
@@ -1059,7 +1060,8 @@ static int bm_rw(struct drbd_conf *mdev, int rw, unsigned flags, unsigned lazy_w
if (lazy_writeout_upper_idx && i == lazy_writeout_upper_idx)
break;
if (rw & WRITE) {
- if (bm_test_page_unchanged(b->bm_pages[i])) {
+ if (!(flags & BM_WRITE_ALL_PAGES) &&
+ bm_test_page_unchanged(b->bm_pages[i])) {
dynamic_dev_dbg(DEV, "skipped bm write for idx %u\n", i);
continue;
}
@@ -1141,6 +1143,17 @@ int drbd_bm_write(struct drbd_conf *mdev) __must_hold(local)
}
/**
+ * drbd_bm_write_all() - Write the whole bitmap to its on disk location.
+ * @mdev: DRBD device.
+ *
+ * Will write all pages.
+ */
+int drbd_bm_write_all(struct drbd_conf *mdev) __must_hold(local)
+{
+ return bm_rw(mdev, WRITE, BM_WRITE_ALL_PAGES, 0);
+}
+
+/**
* drbd_bm_lazy_write_out() - Write bitmap pages 0 to @upper_idx-1, if they have changed.
* @mdev: DRBD device.
* @upper_idx: 0: write all changed pages; +ve: page index to stop scanning for changed pages
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index b2ca143d005..b953cc7c9c0 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -1469,6 +1469,7 @@ extern int drbd_bm_e_weight(struct drbd_conf *mdev, unsigned long enr);
extern int drbd_bm_write_page(struct drbd_conf *mdev, unsigned int idx) __must_hold(local);
extern int drbd_bm_read(struct drbd_conf *mdev) __must_hold(local);
extern int drbd_bm_write(struct drbd_conf *mdev) __must_hold(local);
+extern int drbd_bm_write_all(struct drbd_conf *mdev) __must_hold(local);
extern int drbd_bm_write_copy_pages(struct drbd_conf *mdev) __must_hold(local);
extern unsigned long drbd_bm_ALe_set_all(struct drbd_conf *mdev,
unsigned long al_enr);
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index dbe6135a2ab..f93a0320e95 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -79,6 +79,7 @@ static int w_md_sync(struct drbd_conf *mdev, struct drbd_work *w, int unused);
static void md_sync_timer_fn(unsigned long data);
static int w_bitmap_io(struct drbd_conf *mdev, struct drbd_work *w, int unused);
static int w_go_diskless(struct drbd_conf *mdev, struct drbd_work *w, int unused);
+static void _tl_clear(struct drbd_conf *mdev);
MODULE_AUTHOR("Philipp Reisner <phil@linbit.com>, "
"Lars Ellenberg <lars@linbit.com>");
@@ -432,19 +433,10 @@ static void _tl_restart(struct drbd_conf *mdev, enum drbd_req_event what)
/* Actions operating on the disk state, also want to work on
requests that got barrier acked. */
- switch (what) {
- case fail_frozen_disk_io:
- case restart_frozen_disk_io:
- list_for_each_safe(le, tle, &mdev->barrier_acked_requests) {
- req = list_entry(le, struct drbd_request, tl_requests);
- _req_mod(req, what);
- }
- case connection_lost_while_pending:
- case resend:
- break;
- default:
- dev_err(DEV, "what = %d in _tl_restart()\n", what);
+ list_for_each_safe(le, tle, &mdev->barrier_acked_requests) {
+ req = list_entry(le, struct drbd_request, tl_requests);
+ _req_mod(req, what);
}
}
@@ -459,11 +451,16 @@ static void _tl_restart(struct drbd_conf *mdev, enum drbd_req_event what)
*/
void tl_clear(struct drbd_conf *mdev)
{
+ spin_lock_irq(&mdev->req_lock);
+ _tl_clear(mdev);
+ spin_unlock_irq(&mdev->req_lock);
+}
+
+static void _tl_clear(struct drbd_conf *mdev)
+{
struct list_head *le, *tle;
struct drbd_request *r;
- spin_lock_irq(&mdev->req_lock);
-
_tl_restart(mdev, connection_lost_while_pending);
/* we expect this list to be empty. */
@@ -482,7 +479,6 @@ void tl_clear(struct drbd_conf *mdev)
memset(mdev->app_reads_hash, 0, APP_R_HSIZE*sizeof(void *));
- spin_unlock_irq(&mdev->req_lock);
}
void tl_restart(struct drbd_conf *mdev, enum drbd_req_event what)
@@ -1476,12 +1472,12 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
if (ns.susp_fen) {
/* case1: The outdate peer handler is successful: */
if (os.pdsk > D_OUTDATED && ns.pdsk <= D_OUTDATED) {
- tl_clear(mdev);
if (test_bit(NEW_CUR_UUID, &mdev->flags)) {
drbd_uuid_new_current(mdev);
clear_bit(NEW_CUR_UUID, &mdev->flags);
}
spin_lock_irq(&mdev->req_lock);
+ _tl_clear(mdev);
_drbd_set_state(_NS(mdev, susp_fen, 0), CS_VERBOSE, NULL);
spin_unlock_irq(&mdev->req_lock);
}
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index fb9dce8daa2..edb490aad8b 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -674,8 +674,8 @@ enum determine_dev_size drbd_determine_dev_size(struct drbd_conf *mdev, enum dds
la_size_changed && md_moved ? "size changed and md moved" :
la_size_changed ? "size changed" : "md moved");
/* next line implicitly does drbd_suspend_io()+drbd_resume_io() */
- err = drbd_bitmap_io(mdev, &drbd_bm_write,
- "size changed", BM_LOCKED_MASK);
+ err = drbd_bitmap_io(mdev, md_moved ? &drbd_bm_write_all : &drbd_bm_write,
+ "size changed", BM_LOCKED_MASK);
if (err) {
rv = dev_size_error;
goto out;
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 910335c3092..01b2ac641c7 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -695,6 +695,12 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what,
break;
case resend:
+ /* Simply complete (local only) READs. */
+ if (!(req->rq_state & RQ_WRITE) && !req->w.cb) {
+ _req_may_be_done(req, m);
+ break;
+ }
+
/* If RQ_NET_OK is already set, we got a P_WRITE_ACK or P_RECV_ACK
before the connection loss (B&C only); only P_BARRIER_ACK was missing.
Trowing them out of the TL here by pretending we got a BARRIER_ACK
@@ -834,7 +840,15 @@ static int drbd_make_request_common(struct drbd_conf *mdev, struct bio *bio, uns
req->private_bio = NULL;
}
if (rw == WRITE) {
- remote = 1;
+ /* Need to replicate writes. Unless it is an empty flush,
+ * which is better mapped to a DRBD P_BARRIER packet,
+ * also for drbd wire protocol compatibility reasons. */
+ if (unlikely(size == 0)) {
+ /* The only size==0 bios we expect are empty flushes. */
+ D_ASSERT(bio->bi_rw & REQ_FLUSH);
+ remote = 0;
+ } else
+ remote = 1;
} else {
/* READ || READA */
if (local) {
@@ -870,8 +884,11 @@ static int drbd_make_request_common(struct drbd_conf *mdev, struct bio *bio, uns
* extent. This waits for any resync activity in the corresponding
* resync extent to finish, and, if necessary, pulls in the target
* extent into the activity log, which involves further disk io because
- * of transactional on-disk meta data updates. */
- if (rw == WRITE && local && !test_bit(AL_SUSPENDED, &mdev->flags)) {
+ * of transactional on-disk meta data updates.
+ * Empty flushes don't need to go into the activity log, they can only
+ * flush data for pending writes which are already in there. */
+ if (rw == WRITE && local && size
+ && !test_bit(AL_SUSPENDED, &mdev->flags)) {
req->rq_state |= RQ_IN_ACT_LOG;
drbd_al_begin_io(mdev, sector);
}
@@ -994,7 +1011,10 @@ allocate_barrier:
if (rw == WRITE && _req_conflicts(req))
goto fail_conflicting;
- list_add_tail(&req->tl_requests, &mdev->newest_tle->requests);
+ /* no point in adding empty flushes to the transfer log,
+ * they are mapped to drbd barriers already. */
+ if (likely(size!=0))
+ list_add_tail(&req->tl_requests, &mdev->newest_tle->requests);
/* NOTE remote first: to get the concurrent write detection right,
* we must register the request before start of local IO. */
@@ -1014,6 +1034,14 @@ allocate_barrier:
mdev->net_conf->on_congestion != OC_BLOCK && mdev->agreed_pro_version >= 96)
maybe_pull_ahead(mdev);
+ /* If this was a flush, queue a drbd barrier/start a new epoch.
+ * Unless the current epoch was empty anyways, or we are not currently
+ * replicating, in which case there is no point. */
+ if (unlikely(bio->bi_rw & REQ_FLUSH)
+ && mdev->newest_tle->n_writes
+ && drbd_should_do_remote(mdev->state))
+ queue_barrier(mdev);
+
spin_unlock_irq(&mdev->req_lock);
kfree(b); /* if someone else has beaten us to it... */
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index a8fddeb3d63..f946d31d691 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -1148,11 +1148,15 @@ static bool mtip_pause_ncq(struct mtip_port *port,
reply = port->rxfis + RX_FIS_D2H_REG;
task_file_data = readl(port->mmio+PORT_TFDATA);
- if ((task_file_data & 1) || (fis->command == ATA_CMD_SEC_ERASE_UNIT))
+ if (fis->command == ATA_CMD_SEC_ERASE_UNIT)
+ clear_bit(MTIP_DDF_SEC_LOCK_BIT, &port->dd->dd_flag);
+
+ if ((task_file_data & 1))
return false;
if (fis->command == ATA_CMD_SEC_ERASE_PREP) {
set_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags);
+ set_bit(MTIP_DDF_SEC_LOCK_BIT, &port->dd->dd_flag);
port->ic_pause_timer = jiffies;
return true;
} else if ((fis->command == ATA_CMD_DOWNLOAD_MICRO) &&
@@ -1900,7 +1904,7 @@ static int exec_drive_command(struct mtip_port *port, u8 *command,
int rv = 0, xfer_sz = command[3];
if (xfer_sz) {
- if (user_buffer)
+ if (!user_buffer)
return -EFAULT;
buf = dmam_alloc_coherent(&port->dd->pdev->dev,
@@ -2043,7 +2047,7 @@ static void mtip_set_timeout(struct host_to_dev_fis *fis, unsigned int *timeout)
*timeout = 240000; /* 4 minutes */
break;
case ATA_CMD_STANDBYNOW1:
- *timeout = 10000; /* 10 seconds */
+ *timeout = 120000; /* 2 minutes */
break;
case 0xF7:
case 0xFA:
@@ -2588,9 +2592,6 @@ static ssize_t mtip_hw_read_registers(struct file *f, char __user *ubuf,
if (!len || size)
return 0;
- if (size < 0)
- return -EINVAL;
-
size += sprintf(&buf[size], "H/ S ACTive : [ 0x");
for (n = dd->slot_groups-1; n >= 0; n--)
@@ -2660,9 +2661,6 @@ static ssize_t mtip_hw_read_flags(struct file *f, char __user *ubuf,
if (!len || size)
return 0;
- if (size < 0)
- return -EINVAL;
-
size += sprintf(&buf[size], "Flag-port : [ %08lX ]\n",
dd->port->flags);
size += sprintf(&buf[size], "Flag-dd : [ %08lX ]\n",
@@ -3214,8 +3212,8 @@ static int mtip_hw_init(struct driver_data *dd)
"Unable to check write protect progress\n");
else
dev_info(&dd->pdev->dev,
- "Write protect progress: %d%% (%d blocks)\n",
- attr242.cur, attr242.data);
+ "Write protect progress: %u%% (%u blocks)\n",
+ attr242.cur, le32_to_cpu(attr242.data));
return rv;
out3:
@@ -3619,6 +3617,10 @@ static void mtip_make_request(struct request_queue *queue, struct bio *bio)
bio_endio(bio, -ENODATA);
return;
}
+ if (unlikely(test_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag))) {
+ bio_endio(bio, -ENODATA);
+ return;
+ }
}
if (unlikely(!bio_has_data(bio))) {
@@ -4168,7 +4170,13 @@ static void mtip_pci_shutdown(struct pci_dev *pdev)
/* Table of device ids supported by this driver. */
static DEFINE_PCI_DEVICE_TABLE(mtip_pci_tbl) = {
- { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320_DEVICE_ID) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320H_DEVICE_ID) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320M_DEVICE_ID) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320S_DEVICE_ID) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P325M_DEVICE_ID) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P420H_DEVICE_ID) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P420M_DEVICE_ID) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P425M_DEVICE_ID) },
{ 0 }
};
@@ -4199,12 +4207,12 @@ static int __init mtip_init(void)
{
int error;
- printk(KERN_INFO MTIP_DRV_NAME " Version " MTIP_DRV_VERSION "\n");
+ pr_info(MTIP_DRV_NAME " Version " MTIP_DRV_VERSION "\n");
/* Allocate a major block device number to use with this driver. */
error = register_blkdev(0, MTIP_DRV_NAME);
if (error <= 0) {
- printk(KERN_ERR "Unable to register block device (%d)\n",
+ pr_err("Unable to register block device (%d)\n",
error);
return -EBUSY;
}
@@ -4213,7 +4221,7 @@ static int __init mtip_init(void)
if (!dfs_parent) {
dfs_parent = debugfs_create_dir("rssd", NULL);
if (IS_ERR_OR_NULL(dfs_parent)) {
- printk(KERN_WARNING "Error creating debugfs parent\n");
+ pr_warn("Error creating debugfs parent\n");
dfs_parent = NULL;
}
}
diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h
index f51fc23d17b..18627a1d04c 100644
--- a/drivers/block/mtip32xx/mtip32xx.h
+++ b/drivers/block/mtip32xx/mtip32xx.h
@@ -76,7 +76,13 @@
/* Micron Vendor ID & P320x SSD Device ID */
#define PCI_VENDOR_ID_MICRON 0x1344
-#define P320_DEVICE_ID 0x5150
+#define P320H_DEVICE_ID 0x5150
+#define P320M_DEVICE_ID 0x5151
+#define P320S_DEVICE_ID 0x5152
+#define P325M_DEVICE_ID 0x5153
+#define P420H_DEVICE_ID 0x5160
+#define P420M_DEVICE_ID 0x5161
+#define P425M_DEVICE_ID 0x5163
/* Driver name and version strings */
#define MTIP_DRV_NAME "mtip32xx"
@@ -131,10 +137,12 @@ enum {
MTIP_PF_SVC_THD_STOP_BIT = 8,
/* below are bit numbers in 'dd_flag' defined in driver_data */
+ MTIP_DDF_SEC_LOCK_BIT = 0,
MTIP_DDF_REMOVE_PENDING_BIT = 1,
MTIP_DDF_OVER_TEMP_BIT = 2,
MTIP_DDF_WRITE_PROTECT_BIT = 3,
MTIP_DDF_STOP_IO = ((1 << MTIP_DDF_REMOVE_PENDING_BIT) | \
+ (1 << MTIP_DDF_SEC_LOCK_BIT) | \
(1 << MTIP_DDF_OVER_TEMP_BIT) | \
(1 << MTIP_DDF_WRITE_PROTECT_BIT)),
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index d07c9f7fded..0c03411c59e 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -449,6 +449,14 @@ static void nbd_clear_que(struct nbd_device *nbd)
req->errors++;
nbd_end_request(req);
}
+
+ while (!list_empty(&nbd->waiting_queue)) {
+ req = list_entry(nbd->waiting_queue.next, struct request,
+ queuelist);
+ list_del_init(&req->queuelist);
+ req->errors++;
+ nbd_end_request(req);
+ }
}
@@ -598,6 +606,7 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd,
nbd->file = NULL;
nbd_clear_que(nbd);
BUG_ON(!list_empty(&nbd->queue_head));
+ BUG_ON(!list_empty(&nbd->waiting_queue));
if (file)
fput(file);
return 0;
diff --git a/drivers/block/nvme.c b/drivers/block/nvme.c
index 38a2d063188..931769e133e 100644
--- a/drivers/block/nvme.c
+++ b/drivers/block/nvme.c
@@ -79,6 +79,7 @@ struct nvme_dev {
char serial[20];
char model[40];
char firmware_rev[8];
+ u32 max_hw_sectors;
};
/*
@@ -835,15 +836,15 @@ static int nvme_identify(struct nvme_dev *dev, unsigned nsid, unsigned cns,
}
static int nvme_get_features(struct nvme_dev *dev, unsigned fid,
- unsigned dword11, dma_addr_t dma_addr)
+ unsigned nsid, dma_addr_t dma_addr)
{
struct nvme_command c;
memset(&c, 0, sizeof(c));
c.features.opcode = nvme_admin_get_features;
+ c.features.nsid = cpu_to_le32(nsid);
c.features.prp1 = cpu_to_le64(dma_addr);
c.features.fid = cpu_to_le32(fid);
- c.features.dword11 = cpu_to_le32(dword11);
return nvme_submit_admin_cmd(dev, &c, NULL);
}
@@ -862,11 +863,51 @@ static int nvme_set_features(struct nvme_dev *dev, unsigned fid,
return nvme_submit_admin_cmd(dev, &c, result);
}
+/**
+ * nvme_cancel_ios - Cancel outstanding I/Os
+ * @queue: The queue to cancel I/Os on
+ * @timeout: True to only cancel I/Os which have timed out
+ */
+static void nvme_cancel_ios(struct nvme_queue *nvmeq, bool timeout)
+{
+ int depth = nvmeq->q_depth - 1;
+ struct nvme_cmd_info *info = nvme_cmd_info(nvmeq);
+ unsigned long now = jiffies;
+ int cmdid;
+
+ for_each_set_bit(cmdid, nvmeq->cmdid_data, depth) {
+ void *ctx;
+ nvme_completion_fn fn;
+ static struct nvme_completion cqe = {
+ .status = cpu_to_le16(NVME_SC_ABORT_REQ) << 1,
+ };
+
+ if (timeout && !time_after(now, info[cmdid].timeout))
+ continue;
+ dev_warn(nvmeq->q_dmadev, "Cancelling I/O %d\n", cmdid);
+ ctx = cancel_cmdid(nvmeq, cmdid, &fn);
+ fn(nvmeq->dev, ctx, &cqe);
+ }
+}
+
+static void nvme_free_queue_mem(struct nvme_queue *nvmeq)
+{
+ dma_free_coherent(nvmeq->q_dmadev, CQ_SIZE(nvmeq->q_depth),
+ (void *)nvmeq->cqes, nvmeq->cq_dma_addr);
+ dma_free_coherent(nvmeq->q_dmadev, SQ_SIZE(nvmeq->q_depth),
+ nvmeq->sq_cmds, nvmeq->sq_dma_addr);
+ kfree(nvmeq);
+}
+
static void nvme_free_queue(struct nvme_dev *dev, int qid)
{
struct nvme_queue *nvmeq = dev->queues[qid];
int vector = dev->entry[nvmeq->cq_vector].vector;
+ spin_lock_irq(&nvmeq->q_lock);
+ nvme_cancel_ios(nvmeq, false);
+ spin_unlock_irq(&nvmeq->q_lock);
+
irq_set_affinity_hint(vector, NULL);
free_irq(vector, nvmeq);
@@ -876,18 +917,15 @@ static void nvme_free_queue(struct nvme_dev *dev, int qid)
adapter_delete_cq(dev, qid);
}
- dma_free_coherent(nvmeq->q_dmadev, CQ_SIZE(nvmeq->q_depth),
- (void *)nvmeq->cqes, nvmeq->cq_dma_addr);
- dma_free_coherent(nvmeq->q_dmadev, SQ_SIZE(nvmeq->q_depth),
- nvmeq->sq_cmds, nvmeq->sq_dma_addr);
- kfree(nvmeq);
+ nvme_free_queue_mem(nvmeq);
}
static struct nvme_queue *nvme_alloc_queue(struct nvme_dev *dev, int qid,
int depth, int vector)
{
struct device *dmadev = &dev->pci_dev->dev;
- unsigned extra = (depth / 8) + (depth * sizeof(struct nvme_cmd_info));
+ unsigned extra = DIV_ROUND_UP(depth, 8) + (depth *
+ sizeof(struct nvme_cmd_info));
struct nvme_queue *nvmeq = kzalloc(sizeof(*nvmeq) + extra, GFP_KERNEL);
if (!nvmeq)
return NULL;
@@ -975,7 +1013,7 @@ static __devinit struct nvme_queue *nvme_create_queue(struct nvme_dev *dev,
static int __devinit nvme_configure_admin_queue(struct nvme_dev *dev)
{
- int result;
+ int result = 0;
u32 aqa;
u64 cap;
unsigned long timeout;
@@ -1005,17 +1043,22 @@ static int __devinit nvme_configure_admin_queue(struct nvme_dev *dev)
timeout = ((NVME_CAP_TIMEOUT(cap) + 1) * HZ / 2) + jiffies;
dev->db_stride = NVME_CAP_STRIDE(cap);
- while (!(readl(&dev->bar->csts) & NVME_CSTS_RDY)) {
+ while (!result && !(readl(&dev->bar->csts) & NVME_CSTS_RDY)) {
msleep(100);
if (fatal_signal_pending(current))
- return -EINTR;
+ result = -EINTR;
if (time_after(jiffies, timeout)) {
dev_err(&dev->pci_dev->dev,
"Device not ready; aborting initialisation\n");
- return -ENODEV;
+ result = -ENODEV;
}
}
+ if (result) {
+ nvme_free_queue_mem(nvmeq);
+ return result;
+ }
+
result = queue_request_irq(dev, nvmeq, "nvme admin");
dev->queues[0] = nvmeq;
return result;
@@ -1037,6 +1080,8 @@ static struct nvme_iod *nvme_map_user_pages(struct nvme_dev *dev, int write,
offset = offset_in_page(addr);
count = DIV_ROUND_UP(offset + length, PAGE_SIZE);
pages = kcalloc(count, sizeof(*pages), GFP_KERNEL);
+ if (!pages)
+ return ERR_PTR(-ENOMEM);
err = get_user_pages_fast(addr, count, 1, pages);
if (err < count) {
@@ -1146,14 +1191,13 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)
return status;
}
-static int nvme_user_admin_cmd(struct nvme_ns *ns,
+static int nvme_user_admin_cmd(struct nvme_dev *dev,
struct nvme_admin_cmd __user *ucmd)
{
- struct nvme_dev *dev = ns->dev;
struct nvme_admin_cmd cmd;
struct nvme_command c;
int status, length;
- struct nvme_iod *iod;
+ struct nvme_iod *uninitialized_var(iod);
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
@@ -1204,7 +1248,7 @@ static int nvme_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
case NVME_IOCTL_ID:
return ns->ns_id;
case NVME_IOCTL_ADMIN_CMD:
- return nvme_user_admin_cmd(ns, (void __user *)arg);
+ return nvme_user_admin_cmd(ns->dev, (void __user *)arg);
case NVME_IOCTL_SUBMIT_IO:
return nvme_submit_io(ns, (void __user *)arg);
default:
@@ -1218,26 +1262,6 @@ static const struct block_device_operations nvme_fops = {
.compat_ioctl = nvme_ioctl,
};
-static void nvme_timeout_ios(struct nvme_queue *nvmeq)
-{
- int depth = nvmeq->q_depth - 1;
- struct nvme_cmd_info *info = nvme_cmd_info(nvmeq);
- unsigned long now = jiffies;
- int cmdid;
-
- for_each_set_bit(cmdid, nvmeq->cmdid_data, depth) {
- void *ctx;
- nvme_completion_fn fn;
- static struct nvme_completion cqe = { .status = cpu_to_le16(NVME_SC_ABORT_REQ) << 1, };
-
- if (!time_after(now, info[cmdid].timeout))
- continue;
- dev_warn(nvmeq->q_dmadev, "Timing out I/O %d\n", cmdid);
- ctx = cancel_cmdid(nvmeq, cmdid, &fn);
- fn(nvmeq->dev, ctx, &cqe);
- }
-}
-
static void nvme_resubmit_bios(struct nvme_queue *nvmeq)
{
while (bio_list_peek(&nvmeq->sq_cong)) {
@@ -1269,7 +1293,7 @@ static int nvme_kthread(void *data)
spin_lock_irq(&nvmeq->q_lock);
if (nvme_process_cq(nvmeq))
printk("process_cq did something\n");
- nvme_timeout_ios(nvmeq);
+ nvme_cancel_ios(nvmeq, true);
nvme_resubmit_bios(nvmeq);
spin_unlock_irq(&nvmeq->q_lock);
}
@@ -1339,6 +1363,9 @@ static struct nvme_ns *nvme_alloc_ns(struct nvme_dev *dev, int nsid,
ns->disk = disk;
lbaf = id->flbas & 0xf;
ns->lba_shift = id->lbaf[lbaf].ds;
+ blk_queue_logical_block_size(ns->queue, 1 << ns->lba_shift);
+ if (dev->max_hw_sectors)
+ blk_queue_max_hw_sectors(ns->queue, dev->max_hw_sectors);
disk->major = nvme_major;
disk->minors = NVME_MINORS;
@@ -1383,7 +1410,7 @@ static int set_queue_count(struct nvme_dev *dev, int count)
static int __devinit nvme_setup_io_queues(struct nvme_dev *dev)
{
- int result, cpu, i, nr_io_queues, db_bar_size;
+ int result, cpu, i, nr_io_queues, db_bar_size, q_depth;
nr_io_queues = num_online_cpus();
result = set_queue_count(dev, nr_io_queues);
@@ -1429,9 +1456,10 @@ static int __devinit nvme_setup_io_queues(struct nvme_dev *dev)
cpu = cpumask_next(cpu, cpu_online_mask);
}
+ q_depth = min_t(int, NVME_CAP_MQES(readq(&dev->bar->cap)) + 1,
+ NVME_Q_DEPTH);
for (i = 0; i < nr_io_queues; i++) {
- dev->queues[i + 1] = nvme_create_queue(dev, i + 1,
- NVME_Q_DEPTH, i);
+ dev->queues[i + 1] = nvme_create_queue(dev, i + 1, q_depth, i);
if (IS_ERR(dev->queues[i + 1]))
return PTR_ERR(dev->queues[i + 1]);
dev->queue_count++;
@@ -1480,6 +1508,10 @@ static int __devinit nvme_dev_add(struct nvme_dev *dev)
memcpy(dev->serial, ctrl->sn, sizeof(ctrl->sn));
memcpy(dev->model, ctrl->mn, sizeof(ctrl->mn));
memcpy(dev->firmware_rev, ctrl->fr, sizeof(ctrl->fr));
+ if (ctrl->mdts) {
+ int shift = NVME_CAP_MPSMIN(readq(&dev->bar->cap)) + 12;
+ dev->max_hw_sectors = 1 << (ctrl->mdts + shift - 9);
+ }
id_ns = mem;
for (i = 1; i <= nn; i++) {
@@ -1523,8 +1555,6 @@ static int nvme_dev_remove(struct nvme_dev *dev)
list_del(&dev->node);
spin_unlock(&dev_list_lock);
- /* TODO: wait all I/O finished or cancel them */
-
list_for_each_entry_safe(ns, next, &dev->namespaces, list) {
list_del(&ns->list);
del_gendisk(ns->disk);
@@ -1560,15 +1590,33 @@ static void nvme_release_prp_pools(struct nvme_dev *dev)
dma_pool_destroy(dev->prp_small_pool);
}
-/* XXX: Use an ida or something to let remove / add work correctly */
-static void nvme_set_instance(struct nvme_dev *dev)
+static DEFINE_IDA(nvme_instance_ida);
+
+static int nvme_set_instance(struct nvme_dev *dev)
{
- static int instance;
- dev->instance = instance++;
+ int instance, error;
+
+ do {
+ if (!ida_pre_get(&nvme_instance_ida, GFP_KERNEL))
+ return -ENODEV;
+
+ spin_lock(&dev_list_lock);
+ error = ida_get_new(&nvme_instance_ida, &instance);
+ spin_unlock(&dev_list_lock);
+ } while (error == -EAGAIN);
+
+ if (error)
+ return -ENODEV;
+
+ dev->instance = instance;
+ return 0;
}
static void nvme_release_instance(struct nvme_dev *dev)
{
+ spin_lock(&dev_list_lock);
+ ida_remove(&nvme_instance_ida, dev->instance);
+ spin_unlock(&dev_list_lock);
}
static int __devinit nvme_probe(struct pci_dev *pdev,
@@ -1601,7 +1649,10 @@ static int __devinit nvme_probe(struct pci_dev *pdev,
pci_set_drvdata(pdev, dev);
dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
- nvme_set_instance(dev);
+ result = nvme_set_instance(dev);
+ if (result)
+ goto disable;
+
dev->entry[0].vector = pdev->irq;
result = nvme_setup_prp_pools(dev);
@@ -1675,7 +1726,7 @@ static void __devexit nvme_remove(struct pci_dev *pdev)
#define nvme_suspend NULL
#define nvme_resume NULL
-static struct pci_error_handlers nvme_err_handler = {
+static const struct pci_error_handlers nvme_err_handler = {
.error_detected = nvme_error_detected,
.mmio_enabled = nvme_dump_registers,
.link_reset = nvme_link_reset,
@@ -1704,15 +1755,17 @@ static struct pci_driver nvme_driver = {
static int __init nvme_init(void)
{
- int result = -EBUSY;
+ int result;
nvme_thread = kthread_run(nvme_kthread, NULL, "nvme");
if (IS_ERR(nvme_thread))
return PTR_ERR(nvme_thread);
- nvme_major = register_blkdev(nvme_major, "nvme");
- if (nvme_major <= 0)
+ result = register_blkdev(nvme_major, "nvme");
+ if (result < 0)
goto kill_kthread;
+ else if (result > 0)
+ nvme_major = result;
result = pci_register_driver(&nvme_driver);
if (result)
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 9917943a357..54a55f03115 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -246,13 +246,12 @@ static int rbd_open(struct block_device *bdev, fmode_t mode)
{
struct rbd_device *rbd_dev = bdev->bd_disk->private_data;
- rbd_get_dev(rbd_dev);
-
- set_device_ro(bdev, rbd_dev->read_only);
-
if ((mode & FMODE_WRITE) && rbd_dev->read_only)
return -EROFS;
+ rbd_get_dev(rbd_dev);
+ set_device_ro(bdev, rbd_dev->read_only);
+
return 0;
}
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index 73f196ca713..c6decb901e5 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -337,7 +337,7 @@ static void xen_blkbk_unmap(struct pending_req *req)
invcount++;
}
- ret = gnttab_unmap_refs(unmap, pages, invcount, false);
+ ret = gnttab_unmap_refs(unmap, NULL, pages, invcount);
BUG_ON(ret);
}
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index 11f36e50213..fc2de5528dc 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -86,6 +86,7 @@ static struct usb_device_id ath3k_table[] = {
/* Atheros AR5BBU22 with sflash firmware */
{ USB_DEVICE(0x0489, 0xE03C) },
+ { USB_DEVICE(0x0489, 0xE036) },
{ } /* Terminating entry */
};
@@ -109,6 +110,7 @@ static struct usb_device_id ath3k_blist_tbl[] = {
/* Atheros AR5BBU22 with sflash firmware */
{ USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
{ } /* Terminating entry */
};
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index cef3bac1a54..654e248763e 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -52,6 +52,9 @@ static struct usb_device_id btusb_table[] = {
/* Generic Bluetooth USB device */
{ USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
+ /* Apple-specific (Broadcom) devices */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) },
+
/* Broadcom SoftSailing reporting vendor specific */
{ USB_DEVICE(0x0a5c, 0x21e1) },
@@ -94,16 +97,14 @@ static struct usb_device_id btusb_table[] = {
/* Broadcom BCM20702A0 */
{ USB_DEVICE(0x0489, 0xe042) },
- { USB_DEVICE(0x0a5c, 0x21e3) },
- { USB_DEVICE(0x0a5c, 0x21e6) },
- { USB_DEVICE(0x0a5c, 0x21e8) },
- { USB_DEVICE(0x0a5c, 0x21f3) },
- { USB_DEVICE(0x0a5c, 0x21f4) },
{ USB_DEVICE(0x413c, 0x8197) },
/* Foxconn - Hon Hai */
{ USB_DEVICE(0x0489, 0xe033) },
+ /*Broadcom devices with vendor specific id */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) },
+
{ } /* Terminating entry */
};
@@ -141,6 +142,7 @@ static struct usb_device_id blacklist_table[] = {
/* Atheros AR5BBU12 with sflash firmware */
{ USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
/* Broadcom BCM2035 */
{ USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
diff --git a/drivers/char/agp/sgi-agp.c b/drivers/char/agp/sgi-agp.c
index 19200037773..3a5af2f9b01 100644
--- a/drivers/char/agp/sgi-agp.c
+++ b/drivers/char/agp/sgi-agp.c
@@ -289,12 +289,11 @@ static int __devinit agp_sgi_init(void)
j = 0;
list_for_each_entry(info, &tioca_list, ca_list) {
- struct list_head *tmp;
if (list_empty(info->ca_devices))
continue;
- list_for_each(tmp, info->ca_devices) {
+ list_for_each_entry(pdev, info->ca_devices, bus_list) {
u8 cap_ptr;
- pdev = pci_dev_b(tmp);
+
if (pdev->class != (PCI_CLASS_DISPLAY_VGA << 8))
continue;
cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index 6327536b490..b7b862077d8 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -1,4 +1,5 @@
# common clock types
+obj-$(CONFIG_HAVE_CLK) += clk-devres.o
obj-$(CONFIG_CLKDEV_LOOKUP) += clkdev.o
obj-$(CONFIG_COMMON_CLK) += clk.o clk-fixed-rate.o clk-gate.o \
clk-mux.o clk-divider.o clk-fixed-factor.o
diff --git a/drivers/clk/clk-devres.c b/drivers/clk/clk-devres.c
new file mode 100644
index 00000000000..8f571548870
--- /dev/null
+++ b/drivers/clk/clk-devres.c
@@ -0,0 +1,55 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/export.h>
+#include <linux/gfp.h>
+
+static void devm_clk_release(struct device *dev, void *res)
+{
+ clk_put(*(struct clk **)res);
+}
+
+struct clk *devm_clk_get(struct device *dev, const char *id)
+{
+ struct clk **ptr, *clk;
+
+ ptr = devres_alloc(devm_clk_release, sizeof(*ptr), GFP_KERNEL);
+ if (!ptr)
+ return ERR_PTR(-ENOMEM);
+
+ clk = clk_get(dev, id);
+ if (!IS_ERR(clk)) {
+ *ptr = clk;
+ devres_add(dev, ptr);
+ } else {
+ devres_free(ptr);
+ }
+
+ return clk;
+}
+EXPORT_SYMBOL(devm_clk_get);
+
+static int devm_clk_match(struct device *dev, void *res, void *data)
+{
+ struct clk **c = res;
+ if (!c || !*c) {
+ WARN_ON(!c || !*c);
+ return 0;
+ }
+ return *c == data;
+}
+
+void devm_clk_put(struct device *dev, struct clk *clk)
+{
+ int ret;
+
+ ret = devres_release(dev, devm_clk_release, devm_clk_match, clk);
+
+ WARN_ON(ret);
+}
+EXPORT_SYMBOL(devm_clk_put);
diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c
index d423c9bdd71..442a3136387 100644
--- a/drivers/clk/clkdev.c
+++ b/drivers/clk/clkdev.c
@@ -171,51 +171,6 @@ void clk_put(struct clk *clk)
}
EXPORT_SYMBOL(clk_put);
-static void devm_clk_release(struct device *dev, void *res)
-{
- clk_put(*(struct clk **)res);
-}
-
-struct clk *devm_clk_get(struct device *dev, const char *id)
-{
- struct clk **ptr, *clk;
-
- ptr = devres_alloc(devm_clk_release, sizeof(*ptr), GFP_KERNEL);
- if (!ptr)
- return ERR_PTR(-ENOMEM);
-
- clk = clk_get(dev, id);
- if (!IS_ERR(clk)) {
- *ptr = clk;
- devres_add(dev, ptr);
- } else {
- devres_free(ptr);
- }
-
- return clk;
-}
-EXPORT_SYMBOL(devm_clk_get);
-
-static int devm_clk_match(struct device *dev, void *res, void *data)
-{
- struct clk **c = res;
- if (!c || !*c) {
- WARN_ON(!c || !*c);
- return 0;
- }
- return *c == data;
-}
-
-void devm_clk_put(struct device *dev, struct clk *clk)
-{
- int ret;
-
- ret = devres_destroy(dev, devm_clk_release, devm_clk_match, clk);
-
- WARN_ON(ret);
-}
-EXPORT_SYMBOL(devm_clk_put);
-
void clkdev_add(struct clk_lookup *cl)
{
mutex_lock(&clocks_mutex);
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index d53cd0afc20..6a78073c380 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -35,3 +35,8 @@ config CLKSRC_DBX500_PRCMU_SCHED_CLOCK
default y
help
Use the always on PRCMU Timer as sched_clock
+
+config CLKSRC_ARM_GENERIC
+ def_bool y if ARM64
+ help
+ This option enables support for the ARM generic timer.
diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile
index b65d0c56ab3..65919901a30 100644
--- a/drivers/clocksource/Makefile
+++ b/drivers/clocksource/Makefile
@@ -13,3 +13,4 @@ obj-$(CONFIG_DW_APB_TIMER) += dw_apb_timer.o
obj-$(CONFIG_DW_APB_TIMER_OF) += dw_apb_timer_of.o
obj-$(CONFIG_CLKSRC_DBX500_PRCMU) += clksrc-dbx500-prcmu.o
obj-$(CONFIG_ARMADA_370_XP_TIMER) += time-armada-370-xp.o
+obj-$(CONFIG_CLKSRC_ARM_GENERIC) += arm_generic.o
diff --git a/drivers/clocksource/arm_generic.c b/drivers/clocksource/arm_generic.c
new file mode 100644
index 00000000000..c4d9f9566c6
--- /dev/null
+++ b/drivers/clocksource/arm_generic.c
@@ -0,0 +1,232 @@
+/*
+ * Generic timers support
+ *
+ * Copyright (C) 2012 ARM Ltd.
+ * Author: Marc Zyngier <marc.zyngier@arm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/smp.h>
+#include <linux/cpu.h>
+#include <linux/jiffies.h>
+#include <linux/interrupt.h>
+#include <linux/clockchips.h>
+#include <linux/of_irq.h>
+#include <linux/io.h>
+
+#include <clocksource/arm_generic.h>
+
+#include <asm/arm_generic.h>
+
+static u32 arch_timer_rate;
+static u64 sched_clock_mult __read_mostly;
+static DEFINE_PER_CPU(struct clock_event_device, arch_timer_evt);
+static int arch_timer_ppi;
+
+static irqreturn_t arch_timer_handle_irq(int irq, void *dev_id)
+{
+ struct clock_event_device *evt = dev_id;
+ unsigned long ctrl;
+
+ ctrl = arch_timer_reg_read(ARCH_TIMER_REG_CTRL);
+ if (ctrl & ARCH_TIMER_CTRL_ISTATUS) {
+ ctrl |= ARCH_TIMER_CTRL_IMASK;
+ arch_timer_reg_write(ARCH_TIMER_REG_CTRL, ctrl);
+ evt->event_handler(evt);
+ return IRQ_HANDLED;
+ }
+
+ return IRQ_NONE;
+}
+
+static void arch_timer_stop(void)
+{
+ unsigned long ctrl;
+
+ ctrl = arch_timer_reg_read(ARCH_TIMER_REG_CTRL);
+ ctrl &= ~ARCH_TIMER_CTRL_ENABLE;
+ arch_timer_reg_write(ARCH_TIMER_REG_CTRL, ctrl);
+}
+
+static void arch_timer_set_mode(enum clock_event_mode mode,
+ struct clock_event_device *clk)
+{
+ switch (mode) {
+ case CLOCK_EVT_MODE_UNUSED:
+ case CLOCK_EVT_MODE_SHUTDOWN:
+ arch_timer_stop();
+ break;
+ default:
+ break;
+ }
+}
+
+static int arch_timer_set_next_event(unsigned long evt,
+ struct clock_event_device *unused)
+{
+ unsigned long ctrl;
+
+ ctrl = arch_timer_reg_read(ARCH_TIMER_REG_CTRL);
+ ctrl |= ARCH_TIMER_CTRL_ENABLE;
+ ctrl &= ~ARCH_TIMER_CTRL_IMASK;
+
+ arch_timer_reg_write(ARCH_TIMER_REG_TVAL, evt);
+ arch_timer_reg_write(ARCH_TIMER_REG_CTRL, ctrl);
+
+ return 0;
+}
+
+static void __cpuinit arch_timer_setup(struct clock_event_device *clk)
+{
+ /* Let's make sure the timer is off before doing anything else */
+ arch_timer_stop();
+
+ clk->features = CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_C3STOP;
+ clk->name = "arch_sys_timer";
+ clk->rating = 400;
+ clk->set_mode = arch_timer_set_mode;
+ clk->set_next_event = arch_timer_set_next_event;
+ clk->irq = arch_timer_ppi;
+ clk->cpumask = cpumask_of(smp_processor_id());
+
+ clockevents_config_and_register(clk, arch_timer_rate,
+ 0xf, 0x7fffffff);
+
+ enable_percpu_irq(clk->irq, 0);
+
+ /* Ensure the physical counter is visible to userspace for the vDSO. */
+ arch_counter_enable_user_access();
+}
+
+static void __init arch_timer_calibrate(void)
+{
+ if (arch_timer_rate == 0) {
+ arch_timer_reg_write(ARCH_TIMER_REG_CTRL, 0);
+ arch_timer_rate = arch_timer_reg_read(ARCH_TIMER_REG_FREQ);
+
+ /* Check the timer frequency. */
+ if (arch_timer_rate == 0)
+ panic("Architected timer frequency is set to zero.\n"
+ "You must set this in your .dts file\n");
+ }
+
+ /* Cache the sched_clock multiplier to save a divide in the hot path. */
+
+ sched_clock_mult = NSEC_PER_SEC / arch_timer_rate;
+
+ pr_info("Architected local timer running at %u.%02uMHz.\n",
+ arch_timer_rate / 1000000, (arch_timer_rate / 10000) % 100);
+}
+
+static cycle_t arch_counter_read(struct clocksource *cs)
+{
+ return arch_counter_get_cntpct();
+}
+
+static struct clocksource clocksource_counter = {
+ .name = "arch_sys_counter",
+ .rating = 400,
+ .read = arch_counter_read,
+ .mask = CLOCKSOURCE_MASK(56),
+ .flags = (CLOCK_SOURCE_IS_CONTINUOUS | CLOCK_SOURCE_VALID_FOR_HRES),
+};
+
+int read_current_timer(unsigned long *timer_value)
+{
+ *timer_value = arch_counter_get_cntpct();
+ return 0;
+}
+
+unsigned long long notrace sched_clock(void)
+{
+ return arch_counter_get_cntvct() * sched_clock_mult;
+}
+
+static int __cpuinit arch_timer_cpu_notify(struct notifier_block *self,
+ unsigned long action, void *hcpu)
+{
+ int cpu = (long)hcpu;
+ struct clock_event_device *clk = per_cpu_ptr(&arch_timer_evt, cpu);
+
+ switch(action) {
+ case CPU_STARTING:
+ case CPU_STARTING_FROZEN:
+ arch_timer_setup(clk);
+ break;
+
+ case CPU_DYING:
+ case CPU_DYING_FROZEN:
+ pr_debug("arch_timer_teardown disable IRQ%d cpu #%d\n",
+ clk->irq, cpu);
+ disable_percpu_irq(clk->irq);
+ arch_timer_set_mode(CLOCK_EVT_MODE_UNUSED, clk);
+ break;
+ }
+
+ return NOTIFY_OK;
+}
+
+static struct notifier_block __cpuinitdata arch_timer_cpu_nb = {
+ .notifier_call = arch_timer_cpu_notify,
+};
+
+static const struct of_device_id arch_timer_of_match[] __initconst = {
+ { .compatible = "arm,armv8-timer" },
+ {},
+};
+
+int __init arm_generic_timer_init(void)
+{
+ struct device_node *np;
+ int err;
+ u32 freq;
+
+ np = of_find_matching_node(NULL, arch_timer_of_match);
+ if (!np) {
+ pr_err("arch_timer: can't find DT node\n");
+ return -ENODEV;
+ }
+
+ /* Try to determine the frequency from the device tree or CNTFRQ */
+ if (!of_property_read_u32(np, "clock-frequency", &freq))
+ arch_timer_rate = freq;
+ arch_timer_calibrate();
+
+ arch_timer_ppi = irq_of_parse_and_map(np, 0);
+ pr_info("arch_timer: found %s irq %d\n", np->name, arch_timer_ppi);
+
+ err = request_percpu_irq(arch_timer_ppi, arch_timer_handle_irq,
+ np->name, &arch_timer_evt);
+ if (err) {
+ pr_err("arch_timer: can't register interrupt %d (%d)\n",
+ arch_timer_ppi, err);
+ return err;
+ }
+
+ clocksource_register_hz(&clocksource_counter, arch_timer_rate);
+
+ /* Calibrate the delay loop directly */
+ lpj_fine = arch_timer_rate / HZ;
+
+ /* Immediately configure the timer on the boot CPU */
+ arch_timer_setup(per_cpu_ptr(&arch_timer_evt, smp_processor_id()));
+
+ register_cpu_notifier(&arch_timer_cpu_nb);
+
+ return 0;
+}
diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c
index 17fa04d08be..b47034e650a 100644
--- a/drivers/cpufreq/omap-cpufreq.c
+++ b/drivers/cpufreq/omap-cpufreq.c
@@ -218,7 +218,7 @@ static int __cpuinit omap_cpu_init(struct cpufreq_policy *policy)
policy->cur = policy->min = policy->max = omap_getspeed(policy->cpu);
- if (atomic_inc_return(&freq_table_users) == 1)
+ if (!freq_table)
result = opp_init_cpufreq_table(mpu_dev, &freq_table);
if (result) {
@@ -227,6 +227,8 @@ static int __cpuinit omap_cpu_init(struct cpufreq_policy *policy)
goto fail_ck;
}
+ atomic_inc_return(&freq_table_users);
+
result = cpufreq_frequency_table_cpuinfo(policy, freq_table);
if (result)
goto fail_table;
diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c
index c0e816468e3..1a40935c85f 100644
--- a/drivers/cpufreq/powernow-k8.c
+++ b/drivers/cpufreq/powernow-k8.c
@@ -35,7 +35,6 @@
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/cpumask.h>
-#include <linux/sched.h> /* for current / set_cpus_allowed() */
#include <linux/io.h>
#include <linux/delay.h>
@@ -1139,16 +1138,23 @@ static int transition_frequency_pstate(struct powernow_k8_data *data,
return res;
}
-/* Driver entry point to switch to the target frequency */
-static int powernowk8_target(struct cpufreq_policy *pol,
- unsigned targfreq, unsigned relation)
+struct powernowk8_target_arg {
+ struct cpufreq_policy *pol;
+ unsigned targfreq;
+ unsigned relation;
+};
+
+static long powernowk8_target_fn(void *arg)
{
- cpumask_var_t oldmask;
+ struct powernowk8_target_arg *pta = arg;
+ struct cpufreq_policy *pol = pta->pol;
+ unsigned targfreq = pta->targfreq;
+ unsigned relation = pta->relation;
struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu);
u32 checkfid;
u32 checkvid;
unsigned int newstate;
- int ret = -EIO;
+ int ret;
if (!data)
return -EINVAL;
@@ -1156,29 +1162,16 @@ static int powernowk8_target(struct cpufreq_policy *pol,
checkfid = data->currfid;
checkvid = data->currvid;
- /* only run on specific CPU from here on. */
- /* This is poor form: use a workqueue or smp_call_function_single */
- if (!alloc_cpumask_var(&oldmask, GFP_KERNEL))
- return -ENOMEM;
-
- cpumask_copy(oldmask, tsk_cpus_allowed(current));
- set_cpus_allowed_ptr(current, cpumask_of(pol->cpu));
-
- if (smp_processor_id() != pol->cpu) {
- printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu);
- goto err_out;
- }
-
if (pending_bit_stuck()) {
printk(KERN_ERR PFX "failing targ, change pending bit set\n");
- goto err_out;
+ return -EIO;
}
pr_debug("targ: cpu %d, %d kHz, min %d, max %d, relation %d\n",
pol->cpu, targfreq, pol->min, pol->max, relation);
if (query_current_values_with_pending_wait(data))
- goto err_out;
+ return -EIO;
if (cpu_family != CPU_HW_PSTATE) {
pr_debug("targ: curr fid 0x%x, vid 0x%x\n",
@@ -1196,7 +1189,7 @@ static int powernowk8_target(struct cpufreq_policy *pol,
if (cpufreq_frequency_table_target(pol, data->powernow_table,
targfreq, relation, &newstate))
- goto err_out;
+ return -EIO;
mutex_lock(&fidvid_mutex);
@@ -1209,9 +1202,8 @@ static int powernowk8_target(struct cpufreq_policy *pol,
ret = transition_frequency_fidvid(data, newstate);
if (ret) {
printk(KERN_ERR PFX "transition frequency failed\n");
- ret = 1;
mutex_unlock(&fidvid_mutex);
- goto err_out;
+ return 1;
}
mutex_unlock(&fidvid_mutex);
@@ -1220,12 +1212,25 @@ static int powernowk8_target(struct cpufreq_policy *pol,
data->powernow_table[newstate].index);
else
pol->cur = find_khz_freq_from_fid(data->currfid);
- ret = 0;
-err_out:
- set_cpus_allowed_ptr(current, oldmask);
- free_cpumask_var(oldmask);
- return ret;
+ return 0;
+}
+
+/* Driver entry point to switch to the target frequency */
+static int powernowk8_target(struct cpufreq_policy *pol,
+ unsigned targfreq, unsigned relation)
+{
+ struct powernowk8_target_arg pta = { .pol = pol, .targfreq = targfreq,
+ .relation = relation };
+
+ /*
+ * Must run on @pol->cpu. cpufreq core is responsible for ensuring
+ * that we're bound to the current CPU and pol->cpu stays online.
+ */
+ if (smp_processor_id() == pol->cpu)
+ return powernowk8_target_fn(&pta);
+ else
+ return work_on_cpu(pol->cpu, powernowk8_target_fn, &pta);
}
/* Driver entry point to verify the policy and range of frequencies */
diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index 53c8c51d588..93d14070141 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -63,7 +63,7 @@ static void caam_jr_dequeue(unsigned long devarg)
head = ACCESS_ONCE(jrp->head);
- spin_lock_bh(&jrp->outlock);
+ spin_lock(&jrp->outlock);
sw_idx = tail = jrp->tail;
hw_idx = jrp->out_ring_read_index;
@@ -115,7 +115,7 @@ static void caam_jr_dequeue(unsigned long devarg)
jrp->tail = tail;
}
- spin_unlock_bh(&jrp->outlock);
+ spin_unlock(&jrp->outlock);
/* Finally, execute user's callback */
usercall(dev, userdesc, userstatus, userarg);
@@ -236,14 +236,14 @@ int caam_jr_enqueue(struct device *dev, u32 *desc,
return -EIO;
}
- spin_lock(&jrp->inplock);
+ spin_lock_bh(&jrp->inplock);
head = jrp->head;
tail = ACCESS_ONCE(jrp->tail);
if (!rd_reg32(&jrp->rregs->inpring_avail) ||
CIRC_SPACE(head, tail, JOBR_DEPTH) <= 0) {
- spin_unlock(&jrp->inplock);
+ spin_unlock_bh(&jrp->inplock);
dma_unmap_single(dev, desc_dma, desc_size, DMA_TO_DEVICE);
return -EBUSY;
}
@@ -265,7 +265,7 @@ int caam_jr_enqueue(struct device *dev, u32 *desc,
wr_reg32(&jrp->rregs->inpring_jobadd, 1);
- spin_unlock(&jrp->inplock);
+ spin_unlock_bh(&jrp->inplock);
return 0;
}
diff --git a/drivers/crypto/caam/key_gen.c b/drivers/crypto/caam/key_gen.c
index 002888185f1..d216cd3cc56 100644
--- a/drivers/crypto/caam/key_gen.c
+++ b/drivers/crypto/caam/key_gen.c
@@ -120,3 +120,4 @@ u32 gen_split_key(struct device *jrdev, u8 *key_out, int split_key_len,
return ret;
}
+EXPORT_SYMBOL(gen_split_key);
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
index c9c4befb5a8..df14358d7fa 100644
--- a/drivers/crypto/hifn_795x.c
+++ b/drivers/crypto/hifn_795x.c
@@ -821,8 +821,8 @@ static int hifn_register_rng(struct hifn_device *dev)
/*
* We must wait at least 256 Pk_clk cycles between two reads of the rng.
*/
- dev->rng_wait_time = DIV_ROUND_UP(NSEC_PER_SEC, dev->pk_clk_freq) *
- 256;
+ dev->rng_wait_time = DIV_ROUND_UP_ULL(NSEC_PER_SEC,
+ dev->pk_clk_freq) * 256;
dev->rng.name = dev->name;
dev->rng.data_present = hifn_rng_data_present,
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 3934fcc4e00..17d6958342e 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -168,9 +168,9 @@ static void atc_desc_put(struct at_dma_chan *atchan, struct at_desc *desc)
}
/**
- * atc_desc_chain - build chain adding a descripor
- * @first: address of first descripor of the chain
- * @prev: address of previous descripor of the chain
+ * atc_desc_chain - build chain adding a descriptor
+ * @first: address of first descriptor of the chain
+ * @prev: address of previous descriptor of the chain
* @desc: descriptor to queue
*
* Called from prep_* functions
@@ -661,7 +661,7 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
flags);
if (unlikely(!atslave || !sg_len)) {
- dev_dbg(chan2dev(chan), "prep_dma_memcpy: length is zero!\n");
+ dev_dbg(chan2dev(chan), "prep_slave_sg: sg length is zero!\n");
return NULL;
}
@@ -689,6 +689,11 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
mem = sg_dma_address(sg);
len = sg_dma_len(sg);
+ if (unlikely(!len)) {
+ dev_dbg(chan2dev(chan),
+ "prep_slave_sg: sg(%d) data length is zero\n", i);
+ goto err;
+ }
mem_width = 2;
if (unlikely(mem & 3 || len & 3))
mem_width = 0;
@@ -724,6 +729,11 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
mem = sg_dma_address(sg);
len = sg_dma_len(sg);
+ if (unlikely(!len)) {
+ dev_dbg(chan2dev(chan),
+ "prep_slave_sg: sg(%d) data length is zero\n", i);
+ goto err;
+ }
mem_width = 2;
if (unlikely(mem & 3 || len & 3))
mem_width = 0;
@@ -757,6 +767,7 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
err_desc_get:
dev_err(chan2dev(chan), "not enough descriptors available\n");
+err:
atc_desc_put(atchan, first);
return NULL;
}
@@ -785,7 +796,7 @@ err_out:
}
/**
- * atc_dma_cyclic_fill_desc - Fill one period decriptor
+ * atc_dma_cyclic_fill_desc - Fill one period descriptor
*/
static int
atc_dma_cyclic_fill_desc(struct dma_chan *chan, struct at_desc *desc,
diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c
index c64917ec313..bb02fd981af 100644
--- a/drivers/dma/ep93xx_dma.c
+++ b/drivers/dma/ep93xx_dma.c
@@ -1118,7 +1118,7 @@ fail:
* @chan: channel
* @dma_addr: DMA mapped address of the buffer
* @buf_len: length of the buffer (in bytes)
- * @period_len: lenght of a single period
+ * @period_len: length of a single period
* @dir: direction of the operation
* @context: operation context (ignored)
*
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 8f84761f98b..094437b9d82 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -1015,7 +1015,7 @@ static irqreturn_t fsldma_chan_irq(int irq, void *data)
/*
* Programming Error
* The DMA_INTERRUPT async_tx is a NULL transfer, which will
- * triger a PE interrupt.
+ * trigger a PE interrupt.
*/
if (stat & FSL_DMA_SR_PE) {
chan_dbg(chan, "irq: Programming Error INT\n");
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index 5084975d793..54f580bb993 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -572,8 +572,8 @@ static void imxdma_tasklet(unsigned long data)
if (desc->desc.callback)
desc->desc.callback(desc->desc.callback_param);
- /* If we are dealing with a cyclic descriptor keep it on ld_active
- * and dont mark the descripor as complete.
+ /* If we are dealing with a cyclic descriptor, keep it on ld_active
+ * and dont mark the descriptor as complete.
* Only in non-cyclic cases it would be marked as complete
*/
if (imxdma_chan_is_doing_cyclic(imxdmac))
diff --git a/drivers/dma/intel_mid_dma.c b/drivers/dma/intel_mid_dma.c
index 222e907bfaa..02b21d7d38e 100644
--- a/drivers/dma/intel_mid_dma.c
+++ b/drivers/dma/intel_mid_dma.c
@@ -427,7 +427,7 @@ DMA engine callback Functions*/
* intel_mid_dma_tx_submit - callback to submit DMA transaction
* @tx: dma engine descriptor
*
- * Submit the DMA trasaction for this descriptor, start if ch idle
+ * Submit the DMA transaction for this descriptor, start if ch idle
*/
static dma_cookie_t intel_mid_dma_tx_submit(struct dma_async_tx_descriptor *tx)
{
diff --git a/drivers/dma/intel_mid_dma_regs.h b/drivers/dma/intel_mid_dma_regs.h
index 1bfa9268fea..17b42192ea5 100644
--- a/drivers/dma/intel_mid_dma_regs.h
+++ b/drivers/dma/intel_mid_dma_regs.h
@@ -168,9 +168,9 @@ union intel_mid_dma_cfg_hi {
* @active_list: current active descriptors
* @queue: current queued up descriptors
* @free_list: current free descriptors
- * @slave: dma slave struture
- * @descs_allocated: total number of decsiptors allocated
- * @dma: dma device struture pointer
+ * @slave: dma slave structure
+ * @descs_allocated: total number of descriptors allocated
+ * @dma: dma device structure pointer
* @busy: bool representing if ch is busy (active txn) or not
* @in_use: bool representing if ch is in use or not
* @raw_tfr: raw trf interrupt received
diff --git a/drivers/dma/ioat/hw.h b/drivers/dma/ioat/hw.h
index 60e675455b6..d2ff3fda0b1 100644
--- a/drivers/dma/ioat/hw.h
+++ b/drivers/dma/ioat/hw.h
@@ -22,7 +22,6 @@
#define _IOAT_HW_H_
/* PCI Configuration Space Values */
-#define IOAT_PCI_VID 0x8086
#define IOAT_MMIO_BAR 0
/* CB device ID's */
@@ -31,9 +30,6 @@
#define IOAT_PCI_DID_SCNB 0x65FF
#define IOAT_PCI_DID_SNB 0x402F
-#define IOAT_PCI_RID 0x00
-#define IOAT_PCI_SVID 0x8086
-#define IOAT_PCI_SID 0x8086
#define IOAT_VER_1_2 0x12 /* Version 1.2 */
#define IOAT_VER_2_0 0x20 /* Version 2.0 */
#define IOAT_VER_3_0 0x30 /* Version 3.0 */
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index e4feba6b03c..5d3bbcd279b 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -522,7 +522,7 @@ enum desc_status {
/* In the DMAC pool */
FREE,
/*
- * Allocted to some channel during prep_xxx
+ * Allocated to some channel during prep_xxx
* Also may be sitting on the work_list.
*/
PREP,
@@ -1567,17 +1567,19 @@ static int pl330_submit_req(void *ch_id, struct pl330_req *r)
goto xfer_exit;
}
- /* Prefer Secure Channel */
- if (!_manager_ns(thrd))
- r->cfg->nonsecure = 0;
- else
- r->cfg->nonsecure = 1;
/* Use last settings, if not provided */
- if (r->cfg)
+ if (r->cfg) {
+ /* Prefer Secure Channel */
+ if (!_manager_ns(thrd))
+ r->cfg->nonsecure = 0;
+ else
+ r->cfg->nonsecure = 1;
+
ccr = _prepare_ccr(r->cfg);
- else
+ } else {
ccr = readl(regs + CC(thrd->id));
+ }
/* If this req doesn't have valid xfer settings */
if (!_is_valid(ccr)) {
@@ -2928,6 +2930,11 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
num_chan = max_t(int, pi->pcfg.num_peri, pi->pcfg.num_chan);
pdmac->peripherals = kzalloc(num_chan * sizeof(*pch), GFP_KERNEL);
+ if (!pdmac->peripherals) {
+ ret = -ENOMEM;
+ dev_err(&adev->dev, "unable to allocate pdmac->peripherals\n");
+ goto probe_err5;
+ }
for (i = 0; i < num_chan; i++) {
pch = &pdmac->peripherals[i];
diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index ced98826684..f72348d0bc4 100644
--- a/drivers/dma/ppc4xx/adma.c
+++ b/drivers/dma/ppc4xx/adma.c
@@ -4446,7 +4446,7 @@ static int __devinit ppc440spe_adma_probe(struct platform_device *ofdev)
ret = -ENOMEM;
goto err_dma_alloc;
}
- dev_dbg(&ofdev->dev, "allocted descriptor pool virt 0x%p phys 0x%llx\n",
+ dev_dbg(&ofdev->dev, "allocated descriptor pool virt 0x%p phys 0x%llx\n",
adev->dma_desc_pool_virt, (u64)adev->dma_desc_pool);
regs = ioremap(res.start, resource_size(&res));
diff --git a/drivers/dma/ste_dma40_ll.h b/drivers/dma/ste_dma40_ll.h
index 51e8e5396e9..6d47373f3f5 100644
--- a/drivers/dma/ste_dma40_ll.h
+++ b/drivers/dma/ste_dma40_ll.h
@@ -202,7 +202,7 @@
/* LLI related structures */
/**
- * struct d40_phy_lli - The basic configration register for each physical
+ * struct d40_phy_lli - The basic configuration register for each physical
* channel.
*
* @reg_cfg: The configuration register.
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 616d90bcb3a..d5dc9da7f99 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -199,6 +199,36 @@ void *edac_align_ptr(void **p, unsigned size, int n_elems)
return (void *)(((unsigned long)ptr) + align - r);
}
+static void _edac_mc_free(struct mem_ctl_info *mci)
+{
+ int i, chn, row;
+ struct csrow_info *csr;
+ const unsigned int tot_dimms = mci->tot_dimms;
+ const unsigned int tot_channels = mci->num_cschannel;
+ const unsigned int tot_csrows = mci->nr_csrows;
+
+ if (mci->dimms) {
+ for (i = 0; i < tot_dimms; i++)
+ kfree(mci->dimms[i]);
+ kfree(mci->dimms);
+ }
+ if (mci->csrows) {
+ for (row = 0; row < tot_csrows; row++) {
+ csr = mci->csrows[row];
+ if (csr) {
+ if (csr->channels) {
+ for (chn = 0; chn < tot_channels; chn++)
+ kfree(csr->channels[chn]);
+ kfree(csr->channels);
+ }
+ kfree(csr);
+ }
+ }
+ kfree(mci->csrows);
+ }
+ kfree(mci);
+}
+
/**
* edac_mc_alloc: Allocate and partially fill a struct mem_ctl_info structure
* @mc_num: Memory controller number
@@ -413,24 +443,7 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num,
return mci;
error:
- if (mci->dimms) {
- for (i = 0; i < tot_dimms; i++)
- kfree(mci->dimms[i]);
- kfree(mci->dimms);
- }
- if (mci->csrows) {
- for (chn = 0; chn < tot_channels; chn++) {
- csr = mci->csrows[chn];
- if (csr) {
- for (chn = 0; chn < tot_channels; chn++)
- kfree(csr->channels[chn]);
- kfree(csr);
- }
- kfree(mci->csrows[i]);
- }
- kfree(mci->csrows);
- }
- kfree(mci);
+ _edac_mc_free(mci);
return NULL;
}
@@ -445,6 +458,14 @@ void edac_mc_free(struct mem_ctl_info *mci)
{
edac_dbg(1, "\n");
+ /* If we're not yet registered with sysfs free only what was allocated
+ * in edac_mc_alloc().
+ */
+ if (!device_is_registered(&mci->dev)) {
+ _edac_mc_free(mci);
+ return;
+ }
+
/* the mci instance is freed here, when the sysfs object is dropped */
edac_unregister_sysfs(mci);
}
diff --git a/drivers/edac/i3200_edac.c b/drivers/edac/i3200_edac.c
index 47180a08eda..b6653a6fc5d 100644
--- a/drivers/edac/i3200_edac.c
+++ b/drivers/edac/i3200_edac.c
@@ -391,7 +391,7 @@ static int i3200_probe1(struct pci_dev *pdev, int dev_idx)
for (j = 0; j < nr_channels; j++) {
struct dimm_info *dimm = csrow->channels[j]->dimm;
- dimm->nr_pages = nr_pages / nr_channels;
+ dimm->nr_pages = nr_pages;
dimm->grain = nr_pages << PAGE_SHIFT;
dimm->mtype = MEM_DDR2;
dimm->dtype = DEV_UNKNOWN;
diff --git a/drivers/edac/i5000_edac.c b/drivers/edac/i5000_edac.c
index 39c63757c2a..6a49dd00b81 100644
--- a/drivers/edac/i5000_edac.c
+++ b/drivers/edac/i5000_edac.c
@@ -1012,6 +1012,10 @@ static void handle_channel(struct i5000_pvt *pvt, int slot, int channel,
/* add the number of COLUMN bits */
addrBits += MTR_DIMM_COLS_ADDR_BITS(mtr);
+ /* Dual-rank memories have twice the size */
+ if (dinfo->dual_rank)
+ addrBits++;
+
addrBits += 6; /* add 64 bits per DIMM */
addrBits -= 20; /* divide by 2^^20 */
addrBits -= 3; /* 8 bits per bytes */
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index f3b1f9fafa4..5715b7c2c51 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -513,7 +513,8 @@ static int get_dimm_config(struct mem_ctl_info *mci)
{
struct sbridge_pvt *pvt = mci->pvt_info;
struct dimm_info *dimm;
- int i, j, banks, ranks, rows, cols, size, npages;
+ unsigned i, j, banks, ranks, rows, cols, npages;
+ u64 size;
u32 reg;
enum edac_type mode;
enum mem_type mtype;
@@ -585,10 +586,10 @@ static int get_dimm_config(struct mem_ctl_info *mci)
cols = numcol(mtr);
/* DDR3 has 8 I/O banks */
- size = (rows * cols * banks * ranks) >> (20 - 3);
+ size = ((u64)rows * cols * banks * ranks) >> (20 - 3);
npages = MiB_TO_PAGES(size);
- edac_dbg(0, "mc#%d: channel %d, dimm %d, %d Mb (%d pages) bank: %d, rank: %d, row: %#x, col: %#x\n",
+ edac_dbg(0, "mc#%d: channel %d, dimm %d, %Ld Mb (%d pages) bank: %d, rank: %d, row: %#x, col: %#x\n",
pvt->sbridge_dev->mc, i, j,
size, npages,
banks, ranks, rows, cols);
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index 427a289f32a..6c19833ed2d 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -434,6 +434,11 @@ static int __devinit arizona_extcon_probe(struct platform_device *pdev)
regmap_update_bits(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE,
ARIZONA_JD1_ENA, ARIZONA_JD1_ENA);
+ ret = regulator_allow_bypass(info->micvdd, true);
+ if (ret != 0)
+ dev_warn(arizona->dev, "Failed to set MICVDD to bypass: %d\n",
+ ret);
+
pm_runtime_put(&pdev->dev);
return 0;
diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
index 920a609b2c3..38f9e52f358 100644
--- a/drivers/extcon/extcon-max77693.c
+++ b/drivers/extcon/extcon-max77693.c
@@ -669,13 +669,18 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev)
}
info->dev = &pdev->dev;
info->max77693 = max77693;
- info->max77693->regmap_muic = regmap_init_i2c(info->max77693->muic,
- &max77693_muic_regmap_config);
- if (IS_ERR(info->max77693->regmap_muic)) {
- ret = PTR_ERR(info->max77693->regmap_muic);
- dev_err(max77693->dev,
- "failed to allocate register map: %d\n", ret);
- goto err_regmap;
+ if (info->max77693->regmap_muic)
+ dev_dbg(&pdev->dev, "allocate register map\n");
+ else {
+ info->max77693->regmap_muic = devm_regmap_init_i2c(
+ info->max77693->muic,
+ &max77693_muic_regmap_config);
+ if (IS_ERR(info->max77693->regmap_muic)) {
+ ret = PTR_ERR(info->max77693->regmap_muic);
+ dev_err(max77693->dev,
+ "failed to allocate register map: %d\n", ret);
+ goto err_regmap;
+ }
}
platform_set_drvdata(pdev, info);
mutex_init(&info->mutex);
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index b16c8a72a2e..ba7926f5c09 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -294,7 +294,7 @@ config GPIO_MAX732X_IRQ
config GPIO_MC9S08DZ60
bool "MX35 3DS BOARD MC9S08DZ60 GPIO functions"
- depends on I2C && MACH_MX35_3DS
+ depends on I2C=y && MACH_MX35_3DS
help
Select this to enable the MC9S08DZ60 GPIO driver
diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c
index ae37181798b..ec48ed51262 100644
--- a/drivers/gpio/gpio-em.c
+++ b/drivers/gpio/gpio-em.c
@@ -247,9 +247,9 @@ static int __devinit em_gio_irq_domain_init(struct em_gio_priv *p)
p->irq_base = irq_alloc_descs(pdata->irq_base, 0,
pdata->number_of_pins, numa_node_id());
- if (IS_ERR_VALUE(p->irq_base)) {
+ if (p->irq_base < 0) {
dev_err(&pdev->dev, "cannot get irq_desc\n");
- return -ENXIO;
+ return p->irq_base;
}
pr_debug("gio: hw base = %d, nr = %d, sw base = %d\n",
pdata->gpio_base, pdata->number_of_pins, p->irq_base);
diff --git a/drivers/gpio/gpio-lpc32xx.c b/drivers/gpio/gpio-lpc32xx.c
index 8a420f13905..ed94b4ea72e 100644
--- a/drivers/gpio/gpio-lpc32xx.c
+++ b/drivers/gpio/gpio-lpc32xx.c
@@ -308,6 +308,7 @@ static int lpc32xx_gpio_dir_output_p012(struct gpio_chip *chip, unsigned pin,
{
struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip);
+ __set_gpio_level_p012(group, pin, value);
__set_gpio_dir_p012(group, pin, 0);
return 0;
@@ -318,6 +319,7 @@ static int lpc32xx_gpio_dir_output_p3(struct gpio_chip *chip, unsigned pin,
{
struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip);
+ __set_gpio_level_p3(group, pin, value);
__set_gpio_dir_p3(group, pin, 0);
return 0;
@@ -326,6 +328,9 @@ static int lpc32xx_gpio_dir_output_p3(struct gpio_chip *chip, unsigned pin,
static int lpc32xx_gpio_dir_out_always(struct gpio_chip *chip, unsigned pin,
int value)
{
+ struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip);
+
+ __set_gpo_level_p3(group, pin, value);
return 0;
}
diff --git a/drivers/gpio/gpio-rdc321x.c b/drivers/gpio/gpio-rdc321x.c
index e97016af644..b62d443e9a5 100644
--- a/drivers/gpio/gpio-rdc321x.c
+++ b/drivers/gpio/gpio-rdc321x.c
@@ -170,6 +170,7 @@ static int __devinit rdc321x_gpio_probe(struct platform_device *pdev)
rdc321x_gpio_dev->reg2_data_base = r->start + 0x4;
rdc321x_gpio_dev->chip.label = "rdc321x-gpio";
+ rdc321x_gpio_dev->chip.owner = THIS_MODULE;
rdc321x_gpio_dev->chip.direction_input = rdc_gpio_direction_input;
rdc321x_gpio_dev->chip.direction_output = rdc_gpio_config;
rdc321x_gpio_dev->chip.get = rdc_gpio_get_value;
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index a18c4aa68b1..f1a45997aea 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -82,7 +82,7 @@ int of_get_named_gpio_flags(struct device_node *np, const char *propname,
gpiochip_find(&gg_data, of_gpiochip_find_and_xlate);
of_node_put(gg_data.gpiospec.np);
- pr_debug("%s exited with status %d\n", __func__, ret);
+ pr_debug("%s exited with status %d\n", __func__, gg_data.out_gpio);
return gg_data.out_gpio;
}
EXPORT_SYMBOL(of_get_named_gpio_flags);
diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c
index d0c4574ef49..36164806b9d 100644
--- a/drivers/gpu/drm/ast/ast_drv.c
+++ b/drivers/gpu/drm/ast/ast_drv.c
@@ -193,6 +193,9 @@ static const struct file_operations ast_fops = {
.mmap = ast_mmap,
.poll = drm_poll,
.fasync = drm_fasync,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = drm_compat_ioctl,
+#endif
.read = drm_read,
};
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index 7282c081fb5..a712cafcfa1 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -841,7 +841,7 @@ int ast_cursor_init(struct drm_device *dev)
ast->cursor_cache = obj;
ast->cursor_cache_gpu_addr = gpu_addr;
- DRM_ERROR("pinned cursor cache at %llx\n", ast->cursor_cache_gpu_addr);
+ DRM_DEBUG_KMS("pinned cursor cache at %llx\n", ast->cursor_cache_gpu_addr);
return 0;
fail:
return ret;
diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.c b/drivers/gpu/drm/cirrus/cirrus_drv.c
index 7053140c659..b83a2d7ddd1 100644
--- a/drivers/gpu/drm/cirrus/cirrus_drv.c
+++ b/drivers/gpu/drm/cirrus/cirrus_drv.c
@@ -74,6 +74,9 @@ static const struct file_operations cirrus_driver_fops = {
.unlocked_ioctl = drm_ioctl,
.mmap = cirrus_mmap,
.poll = drm_poll,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = drm_compat_ioctl,
+#endif
.fasync = drm_fasync,
};
static struct drm_driver driver = {
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 08a7aa722d6..6fbfc244748 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1981,7 +1981,7 @@ int drm_mode_cursor_ioctl(struct drm_device *dev,
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
- if (!req->flags)
+ if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags))
return -EINVAL;
mutex_lock(&dev->mode_config.mutex);
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index a8743c399e8..b7ee230572b 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -87,6 +87,9 @@ static struct edid_quirk {
int product_id;
u32 quirks;
} edid_quirk_list[] = {
+ /* ASUS VW222S */
+ { "ACI", 0x22a2, EDID_QUIRK_FORCE_REDUCED_BLANKING },
+
/* Acer AL1706 */
{ "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 },
/* Acer F51 */
diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
index 7f5096763b7..59a26e577b5 100644
--- a/drivers/gpu/drm/exynos/Kconfig
+++ b/drivers/gpu/drm/exynos/Kconfig
@@ -36,6 +36,6 @@ config DRM_EXYNOS_VIDI
config DRM_EXYNOS_G2D
bool "Exynos DRM G2D"
- depends on DRM_EXYNOS
+ depends on DRM_EXYNOS && !VIDEO_SAMSUNG_S5P_G2D
help
Choose this option if you want to use Exynos G2D for DRM.
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
index 613bf8a5d9b..ae13febe0ea 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
@@ -163,6 +163,12 @@ static void exynos_gem_dmabuf_kunmap(struct dma_buf *dma_buf,
/* TODO */
}
+static int exynos_gem_dmabuf_mmap(struct dma_buf *dma_buf,
+ struct vm_area_struct *vma)
+{
+ return -ENOTTY;
+}
+
static struct dma_buf_ops exynos_dmabuf_ops = {
.map_dma_buf = exynos_gem_map_dma_buf,
.unmap_dma_buf = exynos_gem_unmap_dma_buf,
@@ -170,6 +176,7 @@ static struct dma_buf_ops exynos_dmabuf_ops = {
.kmap_atomic = exynos_gem_dmabuf_kmap_atomic,
.kunmap = exynos_gem_dmabuf_kunmap,
.kunmap_atomic = exynos_gem_dmabuf_kunmap_atomic,
+ .mmap = exynos_gem_dmabuf_mmap,
.release = exynos_dmabuf_release,
};
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index ebacec6f1e4..d0707193745 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -160,7 +160,6 @@ static int exynos_drm_open(struct drm_device *dev, struct drm_file *file)
if (!file_priv)
return -ENOMEM;
- drm_prime_init_file_private(&file->prime);
file->driver_priv = file_priv;
return exynos_drm_subdrv_open(dev, file);
@@ -184,7 +183,6 @@ static void exynos_drm_preclose(struct drm_device *dev,
e->base.destroy(&e->base);
}
}
- drm_prime_destroy_file_private(&file->prime);
spin_unlock_irqrestore(&dev->event_lock, flags);
exynos_drm_subdrv_close(dev, file);
@@ -241,6 +239,9 @@ static const struct file_operations exynos_drm_driver_fops = {
.poll = drm_poll,
.read = drm_read,
.unlocked_ioctl = drm_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = drm_compat_ioctl,
+#endif
.release = drm_release,
};
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index a68d2b313f0..b19cd93e704 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -831,11 +831,6 @@ static int __devinit fimd_probe(struct platform_device *pdev)
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(dev, "failed to find registers\n");
- ret = -ENOENT;
- goto err_clk;
- }
ctx->regs = devm_request_and_ioremap(&pdev->dev, res);
if (!ctx->regs) {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
index d2d88f22a03..1065e90d091 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
@@ -129,7 +129,6 @@ struct g2d_runqueue_node {
struct g2d_data {
struct device *dev;
struct clk *gate_clk;
- struct resource *regs_res;
void __iomem *regs;
int irq;
struct workqueue_struct *g2d_workq;
@@ -751,7 +750,7 @@ static int __devinit g2d_probe(struct platform_device *pdev)
struct exynos_drm_subdrv *subdrv;
int ret;
- g2d = kzalloc(sizeof(*g2d), GFP_KERNEL);
+ g2d = devm_kzalloc(&pdev->dev, sizeof(*g2d), GFP_KERNEL);
if (!g2d) {
dev_err(dev, "failed to allocate driver data\n");
return -ENOMEM;
@@ -759,10 +758,8 @@ static int __devinit g2d_probe(struct platform_device *pdev)
g2d->runqueue_slab = kmem_cache_create("g2d_runqueue_slab",
sizeof(struct g2d_runqueue_node), 0, 0, NULL);
- if (!g2d->runqueue_slab) {
- ret = -ENOMEM;
- goto err_free_mem;
- }
+ if (!g2d->runqueue_slab)
+ return -ENOMEM;
g2d->dev = dev;
@@ -794,38 +791,26 @@ static int __devinit g2d_probe(struct platform_device *pdev)
pm_runtime_enable(dev);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(dev, "failed to get I/O memory\n");
- ret = -ENOENT;
- goto err_put_clk;
- }
- g2d->regs_res = request_mem_region(res->start, resource_size(res),
- dev_name(dev));
- if (!g2d->regs_res) {
- dev_err(dev, "failed to request I/O memory\n");
- ret = -ENOENT;
- goto err_put_clk;
- }
-
- g2d->regs = ioremap(res->start, resource_size(res));
+ g2d->regs = devm_request_and_ioremap(&pdev->dev, res);
if (!g2d->regs) {
dev_err(dev, "failed to remap I/O memory\n");
ret = -ENXIO;
- goto err_release_res;
+ goto err_put_clk;
}
g2d->irq = platform_get_irq(pdev, 0);
if (g2d->irq < 0) {
dev_err(dev, "failed to get irq\n");
ret = g2d->irq;
- goto err_unmap_base;
+ goto err_put_clk;
}
- ret = request_irq(g2d->irq, g2d_irq_handler, 0, "drm_g2d", g2d);
+ ret = devm_request_irq(&pdev->dev, g2d->irq, g2d_irq_handler, 0,
+ "drm_g2d", g2d);
if (ret < 0) {
dev_err(dev, "irq request failed\n");
- goto err_unmap_base;
+ goto err_put_clk;
}
platform_set_drvdata(pdev, g2d);
@@ -838,7 +823,7 @@ static int __devinit g2d_probe(struct platform_device *pdev)
ret = exynos_drm_subdrv_register(subdrv);
if (ret < 0) {
dev_err(dev, "failed to register drm g2d device\n");
- goto err_free_irq;
+ goto err_put_clk;
}
dev_info(dev, "The exynos g2d(ver %d.%d) successfully probed\n",
@@ -846,13 +831,6 @@ static int __devinit g2d_probe(struct platform_device *pdev)
return 0;
-err_free_irq:
- free_irq(g2d->irq, g2d);
-err_unmap_base:
- iounmap(g2d->regs);
-err_release_res:
- release_resource(g2d->regs_res);
- kfree(g2d->regs_res);
err_put_clk:
pm_runtime_disable(dev);
clk_put(g2d->gate_clk);
@@ -862,8 +840,6 @@ err_destroy_workqueue:
destroy_workqueue(g2d->g2d_workq);
err_destroy_slab:
kmem_cache_destroy(g2d->runqueue_slab);
-err_free_mem:
- kfree(g2d);
return ret;
}
@@ -873,24 +849,18 @@ static int __devexit g2d_remove(struct platform_device *pdev)
cancel_work_sync(&g2d->runqueue_work);
exynos_drm_subdrv_unregister(&g2d->subdrv);
- free_irq(g2d->irq, g2d);
while (g2d->runqueue_node) {
g2d_free_runqueue_node(g2d, g2d->runqueue_node);
g2d->runqueue_node = g2d_get_runqueue_node(g2d);
}
- iounmap(g2d->regs);
- release_resource(g2d->regs_res);
- kfree(g2d->regs_res);
-
pm_runtime_disable(&pdev->dev);
clk_put(g2d->gate_clk);
g2d_fini_cmdlist(g2d);
destroy_workqueue(g2d->g2d_workq);
kmem_cache_destroy(g2d->runqueue_slab);
- kfree(g2d);
return 0;
}
@@ -924,7 +894,7 @@ static int g2d_resume(struct device *dev)
}
#endif
-SIMPLE_DEV_PM_OPS(g2d_pm_ops, g2d_suspend, g2d_resume);
+static SIMPLE_DEV_PM_OPS(g2d_pm_ops, g2d_suspend, g2d_resume);
struct platform_driver g2d_driver = {
.probe = g2d_probe,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index f9efde40c09..a38051c95ec 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -122,7 +122,7 @@ fail:
__free_page(pages[i]);
drm_free_large(pages);
- return ERR_PTR(PTR_ERR(p));
+ return ERR_CAST(p);
}
static void exynos_gem_put_pages(struct drm_gem_object *obj,
@@ -662,7 +662,7 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv,
*/
args->pitch = args->width * ((args->bpp + 7) / 8);
- args->size = PAGE_ALIGN(args->pitch * args->height);
+ args->size = args->pitch * args->height;
exynos_gem_obj = exynos_drm_gem_create(dev, args->flags, args->size);
if (IS_ERR(exynos_gem_obj))
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index 8ffcdf8b9e2..3fdf0b65f47 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -345,7 +345,7 @@ static int __devinit exynos_drm_hdmi_probe(struct platform_device *pdev)
DRM_DEBUG_KMS("%s\n", __FILE__);
- ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+ ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx) {
DRM_LOG_KMS("failed to alloc common hdmi context.\n");
return -ENOMEM;
@@ -371,7 +371,6 @@ static int __devexit exynos_drm_hdmi_remove(struct platform_device *pdev)
DRM_DEBUG_KMS("%s\n", __FILE__);
exynos_drm_subdrv_unregister(&ctx->subdrv);
- kfree(ctx);
return 0;
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
index b89829e5043..e1f94b746bd 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
@@ -29,7 +29,6 @@ static const uint32_t formats[] = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_NV12,
- DRM_FORMAT_NV12M,
DRM_FORMAT_NV12MT,
};
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index bb1550c4dd5..537027a74fd 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -633,7 +633,7 @@ static int __devinit vidi_probe(struct platform_device *pdev)
DRM_DEBUG_KMS("%s\n", __FILE__);
- ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+ ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
@@ -673,8 +673,6 @@ static int __devexit vidi_remove(struct platform_device *pdev)
ctx->raw_edid = NULL;
}
- kfree(ctx);
-
return 0;
}
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 409e2ec1207..a6aea6f3ea1 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -2172,7 +2172,7 @@ static int __devinit hdmi_resources_init(struct hdmi_context *hdata)
DRM_DEBUG_KMS("HDMI resource init\n");
- memset(res, 0, sizeof *res);
+ memset(res, 0, sizeof(*res));
/* get clocks, power */
res->hdmi = clk_get(dev, "hdmi");
@@ -2204,7 +2204,7 @@ static int __devinit hdmi_resources_init(struct hdmi_context *hdata)
clk_set_parent(res->sclk_hdmi, res->sclk_pixel);
res->regul_bulk = kzalloc(ARRAY_SIZE(supply) *
- sizeof res->regul_bulk[0], GFP_KERNEL);
+ sizeof(res->regul_bulk[0]), GFP_KERNEL);
if (!res->regul_bulk) {
DRM_ERROR("failed to get memory for regulators\n");
goto fail;
@@ -2243,7 +2243,7 @@ static int hdmi_resources_cleanup(struct hdmi_context *hdata)
clk_put(res->sclk_hdmi);
if (!IS_ERR_OR_NULL(res->hdmi))
clk_put(res->hdmi);
- memset(res, 0, sizeof *res);
+ memset(res, 0, sizeof(*res));
return 0;
}
@@ -2312,11 +2312,6 @@ static int __devinit hdmi_probe(struct platform_device *pdev)
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- DRM_ERROR("failed to find registers\n");
- ret = -ENOENT;
- goto err_resource;
- }
hdata->regs = devm_request_and_ioremap(&pdev->dev, res);
if (!hdata->regs) {
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 30fcc12f81d..25b97d5e5fc 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -236,11 +236,11 @@ static inline void vp_filter_set(struct mixer_resources *res,
static void vp_default_filter(struct mixer_resources *res)
{
vp_filter_set(res, VP_POLY8_Y0_LL,
- filter_y_horiz_tap8, sizeof filter_y_horiz_tap8);
+ filter_y_horiz_tap8, sizeof(filter_y_horiz_tap8));
vp_filter_set(res, VP_POLY4_Y0_LL,
- filter_y_vert_tap4, sizeof filter_y_vert_tap4);
+ filter_y_vert_tap4, sizeof(filter_y_vert_tap4));
vp_filter_set(res, VP_POLY4_C0_LL,
- filter_cr_horiz_tap4, sizeof filter_cr_horiz_tap4);
+ filter_cr_horiz_tap4, sizeof(filter_cr_horiz_tap4));
}
static void mixer_vsync_set_update(struct mixer_context *ctx, bool enable)
diff --git a/drivers/gpu/drm/gma500/oaktrail_device.c b/drivers/gpu/drm/gma500/oaktrail_device.c
index 0f9b7db80f6..cf49ba5a54b 100644
--- a/drivers/gpu/drm/gma500/oaktrail_device.c
+++ b/drivers/gpu/drm/gma500/oaktrail_device.c
@@ -476,6 +476,7 @@ static const struct psb_offset oaktrail_regmap[2] = {
.pos = DSPAPOS,
.surf = DSPASURF,
.addr = MRST_DSPABASE,
+ .base = MRST_DSPABASE,
.status = PIPEASTAT,
.linoff = DSPALINOFF,
.tileoff = DSPATILEOFF,
@@ -499,6 +500,7 @@ static const struct psb_offset oaktrail_regmap[2] = {
.pos = DSPBPOS,
.surf = DSPBSURF,
.addr = DSPBBASE,
+ .base = DSPBBASE,
.status = PIPEBSTAT,
.linoff = DSPBLINOFF,
.tileoff = DSPBTILEOFF,
diff --git a/drivers/gpu/drm/gma500/psb_intel_display.c b/drivers/gpu/drm/gma500/psb_intel_display.c
index 30dc22a7156..8033526bb53 100644
--- a/drivers/gpu/drm/gma500/psb_intel_display.c
+++ b/drivers/gpu/drm/gma500/psb_intel_display.c
@@ -1362,6 +1362,9 @@ void psb_intel_crtc_init(struct drm_device *dev, int pipe,
(struct drm_connector **) (psb_intel_crtc + 1);
psb_intel_crtc->mode_set.num_connectors = 0;
psb_intel_cursor_init(dev, psb_intel_crtc);
+
+ /* Set to true so that the pipe is forced off on initial config. */
+ psb_intel_crtc->active = true;
}
int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c
index 57d892eaaa6..463ec6871fe 100644
--- a/drivers/gpu/drm/i810/i810_dma.c
+++ b/drivers/gpu/drm/i810/i810_dma.c
@@ -115,6 +115,9 @@ static const struct file_operations i810_buffer_fops = {
.unlocked_ioctl = drm_ioctl,
.mmap = i810_mmap_buffers,
.fasync = drm_fasync,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = drm_compat_ioctl,
+#endif
.llseek = noop_llseek,
};
diff --git a/drivers/gpu/drm/i810/i810_drv.c b/drivers/gpu/drm/i810/i810_drv.c
index f9924ad04d0..48cfcca2b35 100644
--- a/drivers/gpu/drm/i810/i810_drv.c
+++ b/drivers/gpu/drm/i810/i810_drv.c
@@ -51,6 +51,9 @@ static const struct file_operations i810_driver_fops = {
.mmap = drm_mmap,
.poll = drm_poll,
.fasync = drm_fasync,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = drm_compat_ioctl,
+#endif
.llseek = noop_llseek,
};
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 9cf7dfe022b..914c0dfabe6 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1587,6 +1587,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
spin_lock_init(&dev_priv->irq_lock);
spin_lock_init(&dev_priv->error_lock);
spin_lock_init(&dev_priv->rps_lock);
+ spin_lock_init(&dev_priv->dpio_lock);
if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev))
dev_priv->num_pipe = 3;
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 489e2b162b2..274d25de521 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3242,7 +3242,8 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj,
{
int ret;
- BUG_ON(obj->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT);
+ if (WARN_ON(obj->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT))
+ return -EBUSY;
if (obj->gtt_space != NULL) {
if ((alignment && obj->gtt_offset & (alignment - 1)) ||
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index d9a5372ec56..60815b861ec 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -72,7 +72,7 @@ int i915_gem_init_aliasing_ppgtt(struct drm_device *dev)
/* ppgtt PDEs reside in the global gtt pagetable, which has 512*1024
* entries. For aliasing ppgtt support we just steal them at the end for
* now. */
- first_pd_entry_in_global_pt = 512*1024 - I915_PPGTT_PD_ENTRIES;
+ first_pd_entry_in_global_pt = dev_priv->mm.gtt->gtt_total_entries - I915_PPGTT_PD_ENTRIES;
ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);
if (!ppgtt)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 8a3828528b9..5249640cce1 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2700,9 +2700,6 @@ void intel_irq_init(struct drm_device *dev)
dev->driver->irq_handler = i8xx_irq_handler;
dev->driver->irq_uninstall = i8xx_irq_uninstall;
} else if (INTEL_INFO(dev)->gen == 3) {
- /* IIR "flip pending" means done if this bit is set */
- I915_WRITE(ECOSKPD, _MASKED_BIT_DISABLE(ECO_FLIP_DONE));
-
dev->driver->irq_preinstall = i915_irq_preinstall;
dev->driver->irq_postinstall = i915_irq_postinstall;
dev->driver->irq_uninstall = i915_irq_uninstall;
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index a69a3d0d3ac..c040aee1341 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1376,7 +1376,8 @@ static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv,
"PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n",
reg, pipe_name(pipe));
- WARN(HAS_PCH_IBX(dev_priv->dev) && (val & SDVO_PIPE_B_SELECT),
+ WARN(HAS_PCH_IBX(dev_priv->dev) && (val & DP_PORT_EN) == 0
+ && (val & DP_PIPEB_SELECT),
"IBX PCH dp port still using transcoder B\n");
}
@@ -1384,11 +1385,12 @@ static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv,
enum pipe pipe, int reg)
{
u32 val = I915_READ(reg);
- WARN(hdmi_pipe_enabled(dev_priv, val, pipe),
+ WARN(hdmi_pipe_enabled(dev_priv, pipe, val),
"PCH HDMI (0x%08x) enabled on transcoder %c, should be disabled\n",
reg, pipe_name(pipe));
- WARN(HAS_PCH_IBX(dev_priv->dev) && (val & SDVO_PIPE_B_SELECT),
+ WARN(HAS_PCH_IBX(dev_priv->dev) && (val & PORT_ENABLE) == 0
+ && (val & SDVO_PIPE_B_SELECT),
"IBX PCH hdmi port still using transcoder B\n");
}
@@ -1404,13 +1406,13 @@ static void assert_pch_ports_disabled(struct drm_i915_private *dev_priv,
reg = PCH_ADPA;
val = I915_READ(reg);
- WARN(adpa_pipe_enabled(dev_priv, val, pipe),
+ WARN(adpa_pipe_enabled(dev_priv, pipe, val),
"PCH VGA enabled on transcoder %c, should be disabled\n",
pipe_name(pipe));
reg = PCH_LVDS;
val = I915_READ(reg);
- WARN(lvds_pipe_enabled(dev_priv, val, pipe),
+ WARN(lvds_pipe_enabled(dev_priv, pipe, val),
"PCH LVDS enabled on transcoder %c, should be disabled\n",
pipe_name(pipe));
@@ -1872,7 +1874,7 @@ static void disable_pch_hdmi(struct drm_i915_private *dev_priv,
enum pipe pipe, int reg)
{
u32 val = I915_READ(reg);
- if (hdmi_pipe_enabled(dev_priv, val, pipe)) {
+ if (hdmi_pipe_enabled(dev_priv, pipe, val)) {
DRM_DEBUG_KMS("Disabling pch HDMI %x on pipe %d\n",
reg, pipe);
I915_WRITE(reg, val & ~PORT_ENABLE);
@@ -1894,12 +1896,12 @@ static void intel_disable_pch_ports(struct drm_i915_private *dev_priv,
reg = PCH_ADPA;
val = I915_READ(reg);
- if (adpa_pipe_enabled(dev_priv, val, pipe))
+ if (adpa_pipe_enabled(dev_priv, pipe, val))
I915_WRITE(reg, val & ~ADPA_DAC_ENABLE);
reg = PCH_LVDS;
val = I915_READ(reg);
- if (lvds_pipe_enabled(dev_priv, val, pipe)) {
+ if (lvds_pipe_enabled(dev_priv, pipe, val)) {
DRM_DEBUG_KMS("disable lvds on pipe %d val 0x%08x\n", pipe, val);
I915_WRITE(reg, val & ~LVDS_PORT_EN);
POSTING_READ(reg);
@@ -4189,12 +4191,6 @@ static void i8xx_update_pll(struct drm_crtc *crtc,
POSTING_READ(DPLL(pipe));
udelay(150);
- I915_WRITE(DPLL(pipe), dpll);
-
- /* Wait for the clocks to stabilize. */
- POSTING_READ(DPLL(pipe));
- udelay(150);
-
/* The LVDS pin pair needs to be on before the DPLLs are enabled.
* This is an exception to the general rule that mode_set doesn't turn
* things on.
@@ -4202,6 +4198,12 @@ static void i8xx_update_pll(struct drm_crtc *crtc,
if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
intel_update_lvds(crtc, clock, adjusted_mode);
+ I915_WRITE(DPLL(pipe), dpll);
+
+ /* Wait for the clocks to stabilize. */
+ POSTING_READ(DPLL(pipe));
+ udelay(150);
+
/* The pixel multiplier can only be updated once the
* DPLL is enabled and the clocks are stable.
*
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index a6c426afaa7..ace757af913 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2533,14 +2533,10 @@ intel_dp_init(struct drm_device *dev, int output_reg)
break;
}
- intel_dp_i2c_init(intel_dp, intel_connector, name);
-
/* Cache some DPCD data in the eDP case */
if (is_edp(intel_dp)) {
- bool ret;
struct edp_power_seq cur, vbt;
u32 pp_on, pp_off, pp_div;
- struct edid *edid;
pp_on = I915_READ(PCH_PP_ON_DELAYS);
pp_off = I915_READ(PCH_PP_OFF_DELAYS);
@@ -2591,6 +2587,13 @@ intel_dp_init(struct drm_device *dev, int output_reg)
DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n",
intel_dp->backlight_on_delay, intel_dp->backlight_off_delay);
+ }
+
+ intel_dp_i2c_init(intel_dp, intel_connector, name);
+
+ if (is_edp(intel_dp)) {
+ bool ret;
+ struct edid *edid;
ironlake_edp_panel_vdd_on(intel_dp);
ret = intel_dp_get_dpcd(intel_dp);
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 98f602427eb..12dc3308ab8 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -609,7 +609,7 @@ static void intel_hdmi_dpms(struct drm_encoder *encoder, int mode)
u32 temp;
u32 enable_bits = SDVO_ENABLE;
- if (intel_hdmi->has_audio)
+ if (intel_hdmi->has_audio || mode != DRM_MODE_DPMS_ON)
enable_bits |= SDVO_AUDIO_ENABLE;
temp = I915_READ(intel_hdmi->sdvox_reg);
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index e05c0d3e344..e9a6f6aaed8 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -780,6 +780,14 @@ static const struct dmi_system_id intel_no_lvds[] = {
DMI_MATCH(DMI_BOARD_NAME, "ZBOXSD-ID12/ID13"),
},
},
+ {
+ .callback = intel_no_lvds_dmi_callback,
+ .ident = "Gigabyte GA-D525TUD",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co., Ltd."),
+ DMI_MATCH(DMI_BOARD_NAME, "D525TUD"),
+ },
+ },
{ } /* terminating entry */
};
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 3df4f5fa892..e019b236986 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -162,19 +162,12 @@ static u32 i915_read_blc_pwm_ctl(struct drm_i915_private *dev_priv)
return val;
}
-u32 intel_panel_get_max_backlight(struct drm_device *dev)
+static u32 _intel_panel_get_max_backlight(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
u32 max;
max = i915_read_blc_pwm_ctl(dev_priv);
- if (max == 0) {
- /* XXX add code here to query mode clock or hardware clock
- * and program max PWM appropriately.
- */
- pr_warn_once("fixme: max PWM is zero\n");
- return 1;
- }
if (HAS_PCH_SPLIT(dev)) {
max >>= 16;
@@ -188,6 +181,22 @@ u32 intel_panel_get_max_backlight(struct drm_device *dev)
max *= 0xff;
}
+ return max;
+}
+
+u32 intel_panel_get_max_backlight(struct drm_device *dev)
+{
+ u32 max;
+
+ max = _intel_panel_get_max_backlight(dev);
+ if (max == 0) {
+ /* XXX add code here to query mode clock or hardware clock
+ * and program max PWM appropriately.
+ */
+ pr_warn_once("fixme: max PWM is zero\n");
+ return 1;
+ }
+
DRM_DEBUG_DRIVER("max backlight PWM = %d\n", max);
return max;
}
@@ -424,7 +433,11 @@ int intel_panel_setup_backlight(struct drm_device *dev)
memset(&props, 0, sizeof(props));
props.type = BACKLIGHT_RAW;
- props.max_brightness = intel_panel_get_max_backlight(dev);
+ props.max_brightness = _intel_panel_get_max_backlight(dev);
+ if (props.max_brightness == 0) {
+ DRM_ERROR("Failed to get maximum backlight value\n");
+ return -ENODEV;
+ }
dev_priv->backlight =
backlight_device_register("intel_backlight",
&connector->kdev, dev,
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 1881c8c83f0..ba8a27b1757 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3672,6 +3672,9 @@ static void gen3_init_clock_gating(struct drm_device *dev)
if (IS_PINEVIEW(dev))
I915_WRITE(ECOSKPD, _MASKED_BIT_ENABLE(ECO_GATING_CX_ONLY));
+
+ /* IIR "flip pending" means done if this bit is set */
+ I915_WRITE(ECOSKPD, _MASKED_BIT_DISABLE(ECO_FLIP_DONE));
}
static void i85x_init_clock_gating(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index d81bb0bf288..123afd35761 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -2573,7 +2573,6 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
hotplug_mask = intel_sdvo->is_sdvob ?
SDVOB_HOTPLUG_INT_STATUS_I915 : SDVOC_HOTPLUG_INT_STATUS_I915;
}
- dev_priv->hotplug_supported_mask |= hotplug_mask;
drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
@@ -2581,14 +2580,6 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
goto err;
- /* Set up hotplug command - note paranoia about contents of reply.
- * We assume that the hardware is in a sane state, and only touch
- * the bits we think we understand.
- */
- intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG,
- &intel_sdvo->hotplug_active, 2);
- intel_sdvo->hotplug_active[0] &= ~0x3;
-
if (intel_sdvo_output_setup(intel_sdvo,
intel_sdvo->caps.output_flags) != true) {
DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
@@ -2596,6 +2587,12 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
goto err;
}
+ /* Only enable the hotplug irq if we need it, to work around noisy
+ * hotplug lines.
+ */
+ if (intel_sdvo->hotplug_active[0])
+ dev_priv->hotplug_supported_mask |= hotplug_mask;
+
intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
/* Set the input timing to the screen. Assume always input 0. */
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index cc8df4de2d9..7644f31a377 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -60,11 +60,11 @@ ivb_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
switch (fb->pixel_format) {
case DRM_FORMAT_XBGR8888:
- sprctl |= SPRITE_FORMAT_RGBX888;
+ sprctl |= SPRITE_FORMAT_RGBX888 | SPRITE_RGB_ORDER_RGBX;
pixel_size = 4;
break;
case DRM_FORMAT_XRGB8888:
- sprctl |= SPRITE_FORMAT_RGBX888 | SPRITE_RGB_ORDER_RGBX;
+ sprctl |= SPRITE_FORMAT_RGBX888;
pixel_size = 4;
break;
case DRM_FORMAT_YUYV:
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c
index ea1024d7997..e5f145d2cb3 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.c
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.c
@@ -84,6 +84,9 @@ static const struct file_operations mgag200_driver_fops = {
.mmap = mgag200_mmap,
.poll = drm_poll,
.fasync = drm_fasync,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = drm_compat_ioctl,
+#endif
.read = drm_read,
};
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c
index ff23d88880e..3ca240b4413 100644
--- a/drivers/gpu/drm/nouveau/nouveau_abi16.c
+++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c
@@ -179,7 +179,7 @@ nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS)
return 0;
} else
if (init->class == 0x906e) {
- NV_ERROR(dev, "906e not supported yet\n");
+ NV_DEBUG(dev, "906e not supported yet\n");
return -EINVAL;
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 69688ef5cf4..7e16dc5e646 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -598,7 +598,7 @@ nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
args->size = args->pitch * args->height;
args->size = roundup(args->size, PAGE_SIZE);
- ret = nouveau_gem_new(dev, args->size, 0, TTM_PL_FLAG_VRAM, 0, 0, &bo);
+ ret = nouveau_gem_new(dev, args->size, 0, NOUVEAU_GEM_DOMAIN_VRAM, 0, 0, &bo);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index 1866dbb4997..c61014442aa 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -736,9 +736,11 @@ nouveau_card_init(struct drm_device *dev)
}
break;
case NV_C0:
- nvc0_copy_create(dev, 1);
+ if (!(nv_rd32(dev, 0x022500) & 0x00000200))
+ nvc0_copy_create(dev, 1);
case NV_D0:
- nvc0_copy_create(dev, 0);
+ if (!(nv_rd32(dev, 0x022500) & 0x00000100))
+ nvc0_copy_create(dev, 0);
break;
default:
break;
diff --git a/drivers/gpu/drm/nouveau/nv50_gpio.c b/drivers/gpu/drm/nouveau/nv50_gpio.c
index f429e6a8ca7..c399d510b27 100644
--- a/drivers/gpu/drm/nouveau/nv50_gpio.c
+++ b/drivers/gpu/drm/nouveau/nv50_gpio.c
@@ -22,6 +22,7 @@
* Authors: Ben Skeggs
*/
+#include <linux/dmi.h>
#include "drmP.h"
#include "nouveau_drv.h"
#include "nouveau_hw.h"
@@ -110,11 +111,26 @@ nv50_gpio_isr(struct drm_device *dev)
nv_wr32(dev, 0xe074, intr1);
}
+static struct dmi_system_id gpio_reset_ids[] = {
+ {
+ .ident = "Apple Macbook 10,1",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro10,1"),
+ }
+ },
+ { }
+};
+
int
nv50_gpio_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
+ /* initialise gpios and routing to vbios defaults */
+ if (dmi_check_system(gpio_reset_ids))
+ nouveau_gpio_reset(dev);
+
/* disable, and ack any pending gpio interrupts */
nv_wr32(dev, 0xe050, 0x00000000);
nv_wr32(dev, 0xe054, 0xffffffff);
diff --git a/drivers/gpu/drm/nouveau/nvc0_fb.c b/drivers/gpu/drm/nouveau/nvc0_fb.c
index f704e942372..f376c39310d 100644
--- a/drivers/gpu/drm/nouveau/nvc0_fb.c
+++ b/drivers/gpu/drm/nouveau/nvc0_fb.c
@@ -124,6 +124,7 @@ nvc0_fb_init(struct drm_device *dev)
priv = dev_priv->engine.fb.priv;
nv_wr32(dev, 0x100c10, priv->r100c10 >> 8);
+ nv_mask(dev, 0x17e820, 0x00100000, 0x00000000); /* NV_PLTCG_INTR_EN */
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/nvc0_fifo.c b/drivers/gpu/drm/nouveau/nvc0_fifo.c
index 7d85553d518..cd39eb99f5b 100644
--- a/drivers/gpu/drm/nouveau/nvc0_fifo.c
+++ b/drivers/gpu/drm/nouveau/nvc0_fifo.c
@@ -373,7 +373,8 @@ nvc0_fifo_isr_subfifo_intr(struct drm_device *dev, int unit)
static void
nvc0_fifo_isr(struct drm_device *dev)
{
- u32 stat = nv_rd32(dev, 0x002100);
+ u32 mask = nv_rd32(dev, 0x002140);
+ u32 stat = nv_rd32(dev, 0x002100) & mask;
if (stat & 0x00000100) {
NV_INFO(dev, "PFIFO: unknown status 0x00000100\n");
diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
index dac525b2994..8a2fc89b776 100644
--- a/drivers/gpu/drm/nouveau/nvd0_display.c
+++ b/drivers/gpu/drm/nouveau/nvd0_display.c
@@ -1510,10 +1510,10 @@ nvd0_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode,
case OUTPUT_DP:
if (nv_connector->base.display_info.bpc == 6) {
nv_encoder->dp.datarate = mode->clock * 18 / 8;
- syncs |= 0x00000140;
+ syncs |= 0x00000002 << 6;
} else {
nv_encoder->dp.datarate = mode->clock * 24 / 8;
- syncs |= 0x00000180;
+ syncs |= 0x00000005 << 6;
}
if (nv_encoder->dcb->sorconf.link & 1)
diff --git a/drivers/gpu/drm/nouveau/nve0_fifo.c b/drivers/gpu/drm/nouveau/nve0_fifo.c
index e98d144e6eb..281bece751b 100644
--- a/drivers/gpu/drm/nouveau/nve0_fifo.c
+++ b/drivers/gpu/drm/nouveau/nve0_fifo.c
@@ -345,7 +345,8 @@ nve0_fifo_isr_subfifo_intr(struct drm_device *dev, int unit)
static void
nve0_fifo_isr(struct drm_device *dev)
{
- u32 stat = nv_rd32(dev, 0x002100);
+ u32 mask = nv_rd32(dev, 0x002140);
+ u32 stat = nv_rd32(dev, 0x002100) & mask;
if (stat & 0x00000100) {
NV_INFO(dev, "PFIFO: unknown status 0x00000100\n");
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index f4d4505fe83..2817101fb16 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -258,7 +258,6 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
radeon_crtc->enabled = true;
/* adjust pm to dpms changes BEFORE enabling crtcs */
radeon_pm_compute_clocks(rdev);
- /* disable crtc pair power gating before programming */
if (ASIC_IS_DCE6(rdev) && !radeon_crtc->in_mode_set)
atombios_powergate_crtc(crtc, ATOM_DISABLE);
atombios_enable_crtc(crtc, ATOM_ENABLE);
@@ -278,25 +277,8 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
atombios_enable_crtc_memreq(crtc, ATOM_DISABLE);
atombios_enable_crtc(crtc, ATOM_DISABLE);
radeon_crtc->enabled = false;
- /* power gating is per-pair */
- if (ASIC_IS_DCE6(rdev) && !radeon_crtc->in_mode_set) {
- struct drm_crtc *other_crtc;
- struct radeon_crtc *other_radeon_crtc;
- list_for_each_entry(other_crtc, &rdev->ddev->mode_config.crtc_list, head) {
- other_radeon_crtc = to_radeon_crtc(other_crtc);
- if (((radeon_crtc->crtc_id == 0) && (other_radeon_crtc->crtc_id == 1)) ||
- ((radeon_crtc->crtc_id == 1) && (other_radeon_crtc->crtc_id == 0)) ||
- ((radeon_crtc->crtc_id == 2) && (other_radeon_crtc->crtc_id == 3)) ||
- ((radeon_crtc->crtc_id == 3) && (other_radeon_crtc->crtc_id == 2)) ||
- ((radeon_crtc->crtc_id == 4) && (other_radeon_crtc->crtc_id == 5)) ||
- ((radeon_crtc->crtc_id == 5) && (other_radeon_crtc->crtc_id == 4))) {
- /* if both crtcs in the pair are off, enable power gating */
- if (other_radeon_crtc->enabled == false)
- atombios_powergate_crtc(crtc, ATOM_ENABLE);
- break;
- }
- }
- }
+ if (ASIC_IS_DCE6(rdev) && !radeon_crtc->in_mode_set)
+ atombios_powergate_crtc(crtc, ATOM_ENABLE);
/* adjust pm to dpms changes AFTER disabling crtcs */
radeon_pm_compute_clocks(rdev);
break;
@@ -1682,9 +1664,22 @@ static void atombios_crtc_disable(struct drm_crtc *crtc)
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_atom_ss ss;
+ int i;
atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
+ for (i = 0; i < rdev->num_crtc; i++) {
+ if (rdev->mode_info.crtcs[i] &&
+ rdev->mode_info.crtcs[i]->enabled &&
+ i != radeon_crtc->crtc_id &&
+ radeon_crtc->pll_id == rdev->mode_info.crtcs[i]->pll_id) {
+ /* one other crtc is using this pll don't turn
+ * off the pll
+ */
+ goto done;
+ }
+ }
+
switch (radeon_crtc->pll_id) {
case ATOM_PPLL1:
case ATOM_PPLL2:
@@ -1701,6 +1696,7 @@ static void atombios_crtc_disable(struct drm_crtc *crtc)
default:
break;
}
+done:
radeon_crtc->pll_id = -1;
}
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 7712cf5ab33..3623b98ed3f 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -577,30 +577,25 @@ int radeon_dp_get_panel_mode(struct drm_encoder *encoder,
struct radeon_device *rdev = dev->dev_private;
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
int panel_mode = DP_PANEL_MODE_EXTERNAL_DP_MODE;
+ u16 dp_bridge = radeon_connector_encoder_get_dp_bridge_encoder_id(connector);
+ u8 tmp;
if (!ASIC_IS_DCE4(rdev))
return panel_mode;
- if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) ==
- ENCODER_OBJECT_ID_NUTMEG)
- panel_mode = DP_PANEL_MODE_INTERNAL_DP1_MODE;
- else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) ==
- ENCODER_OBJECT_ID_TRAVIS) {
- u8 id[6];
- int i;
- for (i = 0; i < 6; i++)
- id[i] = radeon_read_dpcd_reg(radeon_connector, 0x503 + i);
- if (id[0] == 0x73 &&
- id[1] == 0x69 &&
- id[2] == 0x76 &&
- id[3] == 0x61 &&
- id[4] == 0x72 &&
- id[5] == 0x54)
+ if (dp_bridge != ENCODER_OBJECT_ID_NONE) {
+ /* DP bridge chips */
+ tmp = radeon_read_dpcd_reg(radeon_connector, DP_EDP_CONFIGURATION_CAP);
+ if (tmp & 1)
+ panel_mode = DP_PANEL_MODE_INTERNAL_DP2_MODE;
+ else if ((dp_bridge == ENCODER_OBJECT_ID_NUTMEG) ||
+ (dp_bridge == ENCODER_OBJECT_ID_TRAVIS))
panel_mode = DP_PANEL_MODE_INTERNAL_DP1_MODE;
else
- panel_mode = DP_PANEL_MODE_INTERNAL_DP2_MODE;
+ panel_mode = DP_PANEL_MODE_EXTERNAL_DP_MODE;
} else if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
- u8 tmp = radeon_read_dpcd_reg(radeon_connector, DP_EDP_CONFIGURATION_CAP);
+ /* eDP */
+ tmp = radeon_read_dpcd_reg(radeon_connector, DP_EDP_CONFIGURATION_CAP);
if (tmp & 1)
panel_mode = DP_PANEL_MODE_INTERNAL_DP2_MODE;
}
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index f9bc27fe269..6e8803a1170 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -1379,6 +1379,8 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode)
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ struct drm_encoder *ext_encoder = radeon_get_external_encoder(encoder);
+ struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
struct radeon_connector *radeon_connector = NULL;
struct radeon_connector_atom_dig *radeon_dig_connector = NULL;
@@ -1390,19 +1392,37 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode)
switch (mode) {
case DRM_MODE_DPMS_ON:
- /* some early dce3.2 boards have a bug in their transmitter control table */
- if ((rdev->family == CHIP_RV710) || (rdev->family == CHIP_RV730) ||
- ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
- if (ASIC_IS_DCE6(rdev)) {
- /* It seems we need to call ATOM_ENCODER_CMD_SETUP again
- * before reenabling encoder on DPMS ON, otherwise we never
- * get picture
- */
- atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP, 0);
+ if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
+ if (!connector)
+ dig->panel_mode = DP_PANEL_MODE_EXTERNAL_DP_MODE;
+ else
+ dig->panel_mode = radeon_dp_get_panel_mode(encoder, connector);
+
+ /* setup and enable the encoder */
+ atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP, 0);
+ atombios_dig_encoder_setup(encoder,
+ ATOM_ENCODER_CMD_SETUP_PANEL_MODE,
+ dig->panel_mode);
+ if (ext_encoder) {
+ if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev))
+ atombios_external_encoder_setup(encoder, ext_encoder,
+ EXTERNAL_ENCODER_ACTION_V3_ENCODER_SETUP);
}
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
- } else {
+ } else if (ASIC_IS_DCE4(rdev)) {
+ /* setup and enable the encoder */
+ atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP, 0);
+ /* enable the transmitter */
+ atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0);
+ } else {
+ /* setup and enable the encoder and transmitter */
+ atombios_dig_encoder_setup(encoder, ATOM_ENABLE, 0);
+ atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_SETUP, 0, 0);
+ atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
+ /* some early dce3.2 boards have a bug in their transmitter control table */
+ if ((rdev->family != CHIP_RV710) || (rdev->family != CHIP_RV730))
+ atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0);
}
if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector) {
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
@@ -1420,10 +1440,19 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode)
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
- if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev))
+ if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
+ /* disable the transmitter */
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
- else
+ } else if (ASIC_IS_DCE4(rdev)) {
+ /* disable the transmitter */
+ atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE_OUTPUT, 0, 0);
+ atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
+ } else {
+ /* disable the encoder and transmitter */
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE_OUTPUT, 0, 0);
+ atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
+ atombios_dig_encoder_setup(encoder, ATOM_DISABLE, 0);
+ }
if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector) {
if (ASIC_IS_DCE4(rdev))
atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF, 0);
@@ -1740,13 +1769,34 @@ static int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder)
struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_encoder *test_encoder;
- struct radeon_encoder_atom_dig *dig;
+ struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
uint32_t dig_enc_in_use = 0;
- /* DCE4/5 */
- if (ASIC_IS_DCE4(rdev)) {
- dig = radeon_encoder->enc_priv;
- if (ASIC_IS_DCE41(rdev)) {
+ if (ASIC_IS_DCE6(rdev)) {
+ /* DCE6 */
+ switch (radeon_encoder->encoder_id) {
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
+ if (dig->linkb)
+ return 1;
+ else
+ return 0;
+ break;
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
+ if (dig->linkb)
+ return 3;
+ else
+ return 2;
+ break;
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
+ if (dig->linkb)
+ return 5;
+ else
+ return 4;
+ break;
+ }
+ } else if (ASIC_IS_DCE4(rdev)) {
+ /* DCE4/5 */
+ if (ASIC_IS_DCE41(rdev) && !ASIC_IS_DCE61(rdev)) {
/* ontario follows DCE4 */
if (rdev->family == CHIP_PALM) {
if (dig->linkb)
@@ -1848,10 +1898,12 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
- struct drm_encoder *ext_encoder = radeon_get_external_encoder(encoder);
radeon_encoder->pixel_clock = adjusted_mode->clock;
+ /* need to call this here rather than in prepare() since we need some crtc info */
+ radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
+
if (ASIC_IS_AVIVO(rdev) && !ASIC_IS_DCE4(rdev)) {
if (radeon_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT | ATOM_DEVICE_TV_SUPPORT))
atombios_yuv_setup(encoder, true);
@@ -1870,38 +1922,7 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
- if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
- struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
- struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
-
- if (!connector)
- dig->panel_mode = DP_PANEL_MODE_EXTERNAL_DP_MODE;
- else
- dig->panel_mode = radeon_dp_get_panel_mode(encoder, connector);
-
- /* setup and enable the encoder */
- atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP, 0);
- atombios_dig_encoder_setup(encoder,
- ATOM_ENCODER_CMD_SETUP_PANEL_MODE,
- dig->panel_mode);
- } else if (ASIC_IS_DCE4(rdev)) {
- /* disable the transmitter */
- atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
- /* setup and enable the encoder */
- atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP, 0);
-
- /* enable the transmitter */
- atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
- } else {
- /* disable the encoder and transmitter */
- atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
- atombios_dig_encoder_setup(encoder, ATOM_DISABLE, 0);
-
- /* setup and enable the encoder and transmitter */
- atombios_dig_encoder_setup(encoder, ATOM_ENABLE, 0);
- atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_SETUP, 0, 0);
- atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
- }
+ /* handled in dpms */
break;
case ENCODER_OBJECT_ID_INTERNAL_DDI:
case ENCODER_OBJECT_ID_INTERNAL_DVO1:
@@ -1922,14 +1943,6 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
break;
}
- if (ext_encoder) {
- if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev))
- atombios_external_encoder_setup(encoder, ext_encoder,
- EXTERNAL_ENCODER_ACTION_V3_ENCODER_SETUP);
- else
- atombios_external_encoder_setup(encoder, ext_encoder, ATOM_ENABLE);
- }
-
atombios_apply_encoder_quirks(encoder, adjusted_mode);
if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
@@ -2116,7 +2129,6 @@ static void radeon_atom_encoder_prepare(struct drm_encoder *encoder)
}
radeon_atom_output_lock(encoder, true);
- radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
if (connector) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
@@ -2137,6 +2149,7 @@ static void radeon_atom_encoder_prepare(struct drm_encoder *encoder)
static void radeon_atom_encoder_commit(struct drm_encoder *encoder)
{
+ /* need to call this here as we need the crtc set up */
radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
radeon_atom_output_lock(encoder, false);
}
@@ -2177,14 +2190,7 @@ static void radeon_atom_encoder_disable(struct drm_encoder *encoder)
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
- if (ASIC_IS_DCE4(rdev))
- /* disable the transmitter */
- atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
- else {
- /* disable the encoder and transmitter */
- atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
- atombios_dig_encoder_setup(encoder, ATOM_DISABLE, 0);
- }
+ /* handled in dpms */
break;
case ENCODER_OBJECT_ID_INTERNAL_DDI:
case ENCODER_OBJECT_ID_INTERNAL_DVO1:
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index e93b80a6d4e..ed3340adeb6 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -77,13 +77,9 @@ void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
{
u16 ctl, v;
- int cap, err;
+ int err;
- cap = pci_pcie_cap(rdev->pdev);
- if (!cap)
- return;
-
- err = pci_read_config_word(rdev->pdev, cap + PCI_EXP_DEVCTL, &ctl);
+ err = pcie_capability_read_word(rdev->pdev, PCI_EXP_DEVCTL, &ctl);
if (err)
return;
@@ -95,7 +91,7 @@ void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
if ((v == 0) || (v == 6) || (v == 7)) {
ctl &= ~PCI_EXP_DEVCTL_READRQ;
ctl |= (2 << 12);
- pci_write_config_word(rdev->pdev, cap + PCI_EXP_DEVCTL, ctl);
+ pcie_capability_write_word(rdev->pdev, PCI_EXP_DEVCTL, ctl);
}
}
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 8acb34fd3fd..8d7e33a0b24 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -1182,7 +1182,8 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
ring->ready = true;
radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
- if (radeon_ring_supports_scratch_reg(rdev, ring)) {
+ if (!ring->rptr_save_reg /* not resuming from suspend */
+ && radeon_ring_supports_scratch_reg(rdev, ring)) {
r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
if (r) {
DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index ab74e6b149e..f37676d7f21 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -63,6 +63,7 @@ struct r600_cs_track {
u32 cb_color_size_idx[8]; /* unused */
u32 cb_target_mask;
u32 cb_shader_mask; /* unused */
+ bool is_resolve;
u32 cb_color_size[8];
u32 vgt_strmout_en;
u32 vgt_strmout_buffer_en;
@@ -315,7 +316,15 @@ static void r600_cs_track_init(struct r600_cs_track *track)
track->cb_color_bo[i] = NULL;
track->cb_color_bo_offset[i] = 0xFFFFFFFF;
track->cb_color_bo_mc[i] = 0xFFFFFFFF;
- }
+ track->cb_color_frag_bo[i] = NULL;
+ track->cb_color_frag_offset[i] = 0xFFFFFFFF;
+ track->cb_color_tile_bo[i] = NULL;
+ track->cb_color_tile_offset[i] = 0xFFFFFFFF;
+ track->cb_color_mask[i] = 0xFFFFFFFF;
+ }
+ track->is_resolve = false;
+ track->nsamples = 16;
+ track->log_nsamples = 4;
track->cb_target_mask = 0xFFFFFFFF;
track->cb_shader_mask = 0xFFFFFFFF;
track->cb_dirty = true;
@@ -352,6 +361,8 @@ static int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
volatile u32 *ib = p->ib.ptr;
unsigned array_mode;
u32 format;
+ /* When resolve is used, the second colorbuffer has always 1 sample. */
+ unsigned nsamples = track->is_resolve && i == 1 ? 1 : track->nsamples;
size = radeon_bo_size(track->cb_color_bo[i]) - track->cb_color_bo_offset[i];
format = G_0280A0_FORMAT(track->cb_color_info[i]);
@@ -375,7 +386,7 @@ static int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
array_check.group_size = track->group_size;
array_check.nbanks = track->nbanks;
array_check.npipes = track->npipes;
- array_check.nsamples = track->nsamples;
+ array_check.nsamples = nsamples;
array_check.blocksize = r600_fmt_get_blocksize(format);
if (r600_get_array_mode_alignment(&array_check,
&pitch_align, &height_align, &depth_align, &base_align)) {
@@ -421,7 +432,7 @@ static int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
/* check offset */
tmp = r600_fmt_get_nblocksy(format, height) * r600_fmt_get_nblocksx(format, pitch) *
- r600_fmt_get_blocksize(format) * track->nsamples;
+ r600_fmt_get_blocksize(format) * nsamples;
switch (array_mode) {
default:
case V_0280A0_ARRAY_LINEAR_GENERAL:
@@ -792,6 +803,12 @@ static int r600_cs_track_check(struct radeon_cs_parser *p)
*/
if (track->cb_dirty) {
tmp = track->cb_target_mask;
+
+ /* We must check both colorbuffers for RESOLVE. */
+ if (track->is_resolve) {
+ tmp |= 0xff;
+ }
+
for (i = 0; i < 8; i++) {
if ((tmp >> (i * 4)) & 0xF) {
/* at least one component is enabled */
@@ -1281,6 +1298,11 @@ static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
track->nsamples = 1 << tmp;
track->cb_dirty = true;
break;
+ case R_028808_CB_COLOR_CONTROL:
+ tmp = G_028808_SPECIAL_OP(radeon_get_ib_value(p, idx));
+ track->is_resolve = tmp == V_028808_SPECIAL_RESOLVE_BOX;
+ track->cb_dirty = true;
+ break;
case R_0280A0_CB_COLOR0_INFO:
case R_0280A4_CB_COLOR1_INFO:
case R_0280A8_CB_COLOR2_INFO:
@@ -1416,7 +1438,7 @@ static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
case R_028118_CB_COLOR6_MASK:
case R_02811C_CB_COLOR7_MASK:
tmp = (reg - R_028100_CB_COLOR0_MASK) / 4;
- track->cb_color_mask[tmp] = ib[idx];
+ track->cb_color_mask[tmp] = radeon_get_ib_value(p, idx);
if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
track->cb_dirty = true;
}
diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
index bdb69a63062..fa6f37099ba 100644
--- a/drivers/gpu/drm/radeon/r600d.h
+++ b/drivers/gpu/drm/radeon/r600d.h
@@ -66,6 +66,14 @@
#define CC_RB_BACKEND_DISABLE 0x98F4
#define BACKEND_DISABLE(x) ((x) << 16)
+#define R_028808_CB_COLOR_CONTROL 0x28808
+#define S_028808_SPECIAL_OP(x) (((x) & 0x7) << 4)
+#define G_028808_SPECIAL_OP(x) (((x) >> 4) & 0x7)
+#define C_028808_SPECIAL_OP 0xFFFFFF8F
+#define V_028808_SPECIAL_NORMAL 0x00
+#define V_028808_SPECIAL_DISABLE 0x01
+#define V_028808_SPECIAL_RESOLVE_BOX 0x07
+
#define CB_COLOR0_BASE 0x28040
#define CB_COLOR1_BASE 0x28044
#define CB_COLOR2_BASE 0x28048
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index d2e243867ac..7a3daebd732 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1051,7 +1051,7 @@ int radeon_device_init(struct radeon_device *rdev,
if (rdev->flags & RADEON_IS_AGP)
rdev->need_dma32 = true;
if ((rdev->flags & RADEON_IS_PCI) &&
- (rdev->family < CHIP_RS400))
+ (rdev->family <= CHIP_RS740))
rdev->need_dma32 = true;
dma_bits = rdev->need_dma32 ? 32 : 40;
@@ -1346,12 +1346,15 @@ retry:
for (i = 0; i < RADEON_NUM_RINGS; ++i) {
radeon_ring_restore(rdev, &rdev->ring[i],
ring_sizes[i], ring_data[i]);
+ ring_sizes[i] = 0;
+ ring_data[i] = NULL;
}
r = radeon_ib_ring_tests(rdev);
if (r) {
dev_err(rdev->dev, "ib ring test failed (%d).\n", r);
if (saved) {
+ saved = false;
radeon_suspend(rdev);
goto retry;
}
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 27d22d709c9..8c593ea82c4 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -63,9 +63,10 @@
* 2.19.0 - r600-eg: MSAA textures
* 2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
* 2.21.0 - r600-r700: FMASK and CMASK
+ * 2.22.0 - r600 only: RESOLVE_BOX allowed
*/
#define KMS_DRIVER_MAJOR 2
-#define KMS_DRIVER_MINOR 21
+#define KMS_DRIVER_MINOR 22
#define KMS_DRIVER_PATCHLEVEL 0
int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
int radeon_driver_unload_kms(struct drm_device *dev);
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 7b737b9339a..2a59375dbe5 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -131,7 +131,7 @@ int radeon_fence_emit(struct radeon_device *rdev,
*/
void radeon_fence_process(struct radeon_device *rdev, int ring)
{
- uint64_t seq, last_seq;
+ uint64_t seq, last_seq, last_emitted;
unsigned count_loop = 0;
bool wake = false;
@@ -158,13 +158,15 @@ void radeon_fence_process(struct radeon_device *rdev, int ring)
*/
last_seq = atomic64_read(&rdev->fence_drv[ring].last_seq);
do {
+ last_emitted = rdev->fence_drv[ring].sync_seq[ring];
seq = radeon_fence_read(rdev, ring);
seq |= last_seq & 0xffffffff00000000LL;
if (seq < last_seq) {
- seq += 0x100000000LL;
+ seq &= 0xffffffff;
+ seq |= last_emitted & 0xffffffff00000000LL;
}
- if (seq == last_seq) {
+ if (seq <= last_seq || seq > last_emitted) {
break;
}
/* If we loop over we don't want to return without
diff --git a/drivers/gpu/drm/radeon/reg_srcs/r600 b/drivers/gpu/drm/radeon/reg_srcs/r600
index f93e45d869f..20bfbda7b3f 100644
--- a/drivers/gpu/drm/radeon/reg_srcs/r600
+++ b/drivers/gpu/drm/radeon/reg_srcs/r600
@@ -744,7 +744,6 @@ r600 0x9400
0x00028C38 CB_CLRCMP_DST
0x00028C3C CB_CLRCMP_MSK
0x00028C34 CB_CLRCMP_SRC
-0x00028808 CB_COLOR_CONTROL
0x0002842C CB_FOG_BLUE
0x00028428 CB_FOG_GREEN
0x00028424 CB_FOG_RED
diff --git a/drivers/gpu/drm/savage/savage_drv.c b/drivers/gpu/drm/savage/savage_drv.c
index d31d4cca9a4..c5a164337bd 100644
--- a/drivers/gpu/drm/savage/savage_drv.c
+++ b/drivers/gpu/drm/savage/savage_drv.c
@@ -43,6 +43,9 @@ static const struct file_operations savage_driver_fops = {
.mmap = drm_mmap,
.poll = drm_poll,
.fasync = drm_fasync,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = drm_compat_ioctl,
+#endif
.llseek = noop_llseek,
};
diff --git a/drivers/gpu/drm/sis/sis_drv.c b/drivers/gpu/drm/sis/sis_drv.c
index 7f119870147..867dc03000e 100644
--- a/drivers/gpu/drm/sis/sis_drv.c
+++ b/drivers/gpu/drm/sis/sis_drv.c
@@ -74,6 +74,9 @@ static const struct file_operations sis_driver_fops = {
.mmap = drm_mmap,
.poll = drm_poll,
.fasync = drm_fasync,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = drm_compat_ioctl,
+#endif
.llseek = noop_llseek,
};
diff --git a/drivers/gpu/drm/tdfx/tdfx_drv.c b/drivers/gpu/drm/tdfx/tdfx_drv.c
index 90f6b13acfa..a7f4d6bd133 100644
--- a/drivers/gpu/drm/tdfx/tdfx_drv.c
+++ b/drivers/gpu/drm/tdfx/tdfx_drv.c
@@ -49,6 +49,9 @@ static const struct file_operations tdfx_driver_fops = {
.mmap = drm_mmap,
.poll = drm_poll,
.fasync = drm_fasync,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = drm_compat_ioctl,
+#endif
.llseek = noop_llseek,
};
diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c
index ba055e9ca00..8d9dc44f1f9 100644
--- a/drivers/gpu/drm/udl/udl_connector.c
+++ b/drivers/gpu/drm/udl/udl_connector.c
@@ -69,6 +69,13 @@ static int udl_get_modes(struct drm_connector *connector)
static int udl_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
+ struct udl_device *udl = connector->dev->dev_private;
+ if (!udl->sku_pixel_limit)
+ return 0;
+
+ if (mode->vdisplay * mode->hdisplay > udl->sku_pixel_limit)
+ return MODE_VIRTUAL_Y;
+
return 0;
}
diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
index 6e52069894b..9f84128505b 100644
--- a/drivers/gpu/drm/udl/udl_drv.c
+++ b/drivers/gpu/drm/udl/udl_drv.c
@@ -66,6 +66,9 @@ static const struct file_operations udl_driver_fops = {
.unlocked_ioctl = drm_ioctl,
.release = drm_release,
.fasync = drm_fasync,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = drm_compat_ioctl,
+#endif
.llseek = noop_llseek,
};
diff --git a/drivers/gpu/drm/via/via_drv.c b/drivers/gpu/drm/via/via_drv.c
index e927b4c052f..af1b914b17e 100644
--- a/drivers/gpu/drm/via/via_drv.c
+++ b/drivers/gpu/drm/via/via_drv.c
@@ -65,6 +65,9 @@ static const struct file_operations via_driver_fops = {
.mmap = drm_mmap,
.poll = drm_poll,
.fasync = drm_fasync,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = drm_compat_ioctl,
+#endif
.llseek = noop_llseek,
};
diff --git a/drivers/gpu/drm/vmwgfx/Kconfig b/drivers/gpu/drm/vmwgfx/Kconfig
index 794ff67c570..b71bcd0bfbb 100644
--- a/drivers/gpu/drm/vmwgfx/Kconfig
+++ b/drivers/gpu/drm/vmwgfx/Kconfig
@@ -12,3 +12,11 @@ config DRM_VMWGFX
This is a KMS enabled DRM driver for the VMware SVGA2
virtual hardware.
The compiled module will be called "vmwgfx.ko".
+
+config DRM_VMWGFX_FBCON
+ depends on DRM_VMWGFX
+ bool "Enable framebuffer console under vmwgfx by default"
+ help
+ Choose this option if you are shipping a new vmwgfx
+ userspace driver that supports using the kernel driver.
+
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 4d9edead01a..ba2c35dbf10 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -182,8 +182,9 @@ static struct pci_device_id vmw_pci_id_list[] = {
{0x15ad, 0x0405, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VMWGFX_CHIP_SVGAII},
{0, 0, 0}
};
+MODULE_DEVICE_TABLE(pci, vmw_pci_id_list);
-static int enable_fbdev;
+static int enable_fbdev = IS_ENABLED(CONFIG_DRM_VMWGFX_FBCON);
static int vmw_probe(struct pci_dev *, const struct pci_device_id *);
static void vmw_master_init(struct vmw_master *);
@@ -1154,6 +1155,11 @@ static struct drm_driver driver = {
.open = vmw_driver_open,
.preclose = vmw_preclose,
.postclose = vmw_postclose,
+
+ .dumb_create = vmw_dumb_create,
+ .dumb_map_offset = vmw_dumb_map_offset,
+ .dumb_destroy = vmw_dumb_destroy,
+
.fops = &vmwgfx_driver_fops,
.name = VMWGFX_DRIVER_NAME,
.desc = VMWGFX_DRIVER_DESC,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index d0f2c079ee2..29c984ff7f2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -645,6 +645,16 @@ int vmw_kms_readback(struct vmw_private *dev_priv,
int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
+int vmw_dumb_create(struct drm_file *file_priv,
+ struct drm_device *dev,
+ struct drm_mode_create_dumb *args);
+
+int vmw_dumb_map_offset(struct drm_file *file_priv,
+ struct drm_device *dev, uint32_t handle,
+ uint64_t *offset);
+int vmw_dumb_destroy(struct drm_file *file_priv,
+ struct drm_device *dev,
+ uint32_t handle);
/**
* Overlay control - vmwgfx_overlay.c
*/
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
index f2fb8f15e2f..7e0743358df 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
@@ -1018,7 +1018,7 @@ int vmw_event_fence_action_create(struct drm_file *file_priv,
}
- event = kzalloc(sizeof(event->event), GFP_KERNEL);
+ event = kzalloc(sizeof(*event), GFP_KERNEL);
if (unlikely(event == NULL)) {
DRM_ERROR("Failed to allocate an event.\n");
ret = -ENOMEM;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 22bf9a21ec7..2c6ffe0e2c0 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -1917,3 +1917,76 @@ err_ref:
vmw_resource_unreference(&res);
return ret;
}
+
+
+int vmw_dumb_create(struct drm_file *file_priv,
+ struct drm_device *dev,
+ struct drm_mode_create_dumb *args)
+{
+ struct vmw_private *dev_priv = vmw_priv(dev);
+ struct vmw_master *vmaster = vmw_master(file_priv->master);
+ struct vmw_user_dma_buffer *vmw_user_bo;
+ struct ttm_buffer_object *tmp;
+ int ret;
+
+ args->pitch = args->width * ((args->bpp + 7) / 8);
+ args->size = args->pitch * args->height;
+
+ vmw_user_bo = kzalloc(sizeof(*vmw_user_bo), GFP_KERNEL);
+ if (vmw_user_bo == NULL)
+ return -ENOMEM;
+
+ ret = ttm_read_lock(&vmaster->lock, true);
+ if (ret != 0) {
+ kfree(vmw_user_bo);
+ return ret;
+ }
+
+ ret = vmw_dmabuf_init(dev_priv, &vmw_user_bo->dma, args->size,
+ &vmw_vram_sys_placement, true,
+ &vmw_user_dmabuf_destroy);
+ if (ret != 0)
+ goto out_no_dmabuf;
+
+ tmp = ttm_bo_reference(&vmw_user_bo->dma.base);
+ ret = ttm_base_object_init(vmw_fpriv(file_priv)->tfile,
+ &vmw_user_bo->base,
+ false,
+ ttm_buffer_type,
+ &vmw_user_dmabuf_release, NULL);
+ if (unlikely(ret != 0))
+ goto out_no_base_object;
+
+ args->handle = vmw_user_bo->base.hash.key;
+
+out_no_base_object:
+ ttm_bo_unref(&tmp);
+out_no_dmabuf:
+ ttm_read_unlock(&vmaster->lock);
+ return ret;
+}
+
+int vmw_dumb_map_offset(struct drm_file *file_priv,
+ struct drm_device *dev, uint32_t handle,
+ uint64_t *offset)
+{
+ struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
+ struct vmw_dma_buffer *out_buf;
+ int ret;
+
+ ret = vmw_user_dmabuf_lookup(tfile, handle, &out_buf);
+ if (ret != 0)
+ return -EINVAL;
+
+ *offset = out_buf->base.addr_space_offset;
+ vmw_dmabuf_unreference(&out_buf);
+ return 0;
+}
+
+int vmw_dumb_destroy(struct drm_file *file_priv,
+ struct drm_device *dev,
+ uint32_t handle)
+{
+ return ttm_ref_object_base_unref(vmw_fpriv(file_priv)->tfile,
+ handle, TTM_REF_USAGE);
+}
diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index 3df8fc0ec01..e893f6e1937 100644
--- a/drivers/gpu/vga/vgaarb.c
+++ b/drivers/gpu/vga/vgaarb.c
@@ -141,7 +141,11 @@ EXPORT_SYMBOL_GPL(vga_default_device);
void vga_set_default_device(struct pci_dev *pdev)
{
- vga_default = pdev;
+ if (vga_default == pdev)
+ return;
+
+ pci_dev_put(vga_default);
+ vga_default = pci_dev_get(pdev);
}
#endif
@@ -577,7 +581,7 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev)
#ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE
if (vga_default == NULL &&
((vgadev->owns & VGA_RSRC_LEGACY_MASK) == VGA_RSRC_LEGACY_MASK))
- vga_default = pci_dev_get(pdev);
+ vga_set_default_device(pdev);
#endif
vga_arbiter_check_bridge_sharing(vgadev);
@@ -613,10 +617,8 @@ static bool vga_arbiter_del_pci_device(struct pci_dev *pdev)
}
#ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE
- if (vga_default == pdev) {
- pci_dev_put(vga_default);
- vga_default = NULL;
- }
+ if (vga_default == pdev)
+ vga_set_default_device(NULL);
#endif
if (vgadev->decodes & (VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM))
@@ -1066,7 +1068,6 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf,
}
} else if (strncmp(curr_pos, "target ", 7) == 0) {
- struct pci_bus *pbus;
unsigned int domain, bus, devfn;
struct vga_device *vgadev;
@@ -1085,19 +1086,11 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf,
pr_debug("vgaarb: %s ==> %x:%x:%x.%x\n", curr_pos,
domain, bus, PCI_SLOT(devfn), PCI_FUNC(devfn));
- pbus = pci_find_bus(domain, bus);
- pr_debug("vgaarb: pbus %p\n", pbus);
- if (pbus == NULL) {
- pr_err("vgaarb: invalid PCI domain and/or bus address %x:%x\n",
- domain, bus);
- ret_val = -ENODEV;
- goto done;
- }
- pdev = pci_get_slot(pbus, devfn);
+ pdev = pci_get_domain_bus_and_slot(domain, bus, devfn);
pr_debug("vgaarb: pdev %p\n", pdev);
if (!pdev) {
- pr_err("vgaarb: invalid PCI address %x:%x\n",
- bus, devfn);
+ pr_err("vgaarb: invalid PCI address %x:%x:%x\n",
+ domain, bus, devfn);
ret_val = -ENODEV;
goto done;
}
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index fbf49503508..2af774ad106 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -307,7 +307,6 @@ config HID_LOGITECH
config HID_LOGITECH_DJ
tristate "Logitech Unifying receivers full support"
depends on HID_LOGITECH
- default m
---help---
Say Y if you want support for Logitech Unifying receivers and devices.
Unifying receivers are capable of pairing up to 6 Logitech compliant
@@ -527,6 +526,14 @@ config HID_PICOLCD_LEDS
---help---
Provide access to PicoLCD's GPO pins via leds class.
+config HID_PICOLCD_CIR
+ bool "CIR via RC class" if EXPERT
+ default !EXPERT
+ depends on HID_PICOLCD
+ depends on HID_PICOLCD=RC_CORE || RC_CORE=y
+ ---help---
+ Provide access to PicoLCD's CIR interface via remote control (LIRC).
+
config HID_PRIMAX
tristate "Primax non-fully HID-compliant devices"
depends on USB_HID
@@ -534,6 +541,15 @@ config HID_PRIMAX
Support for Primax devices that are not fully compliant with the
HID standard.
+config HID_PS3REMOTE
+ tristate "Sony PS3 BD Remote Control"
+ depends on BT_HIDP
+ ---help---
+ Support for the Sony PS3 Blue-ray Disk Remote Control and Logitech
+ Harmony Adapter for PS3, which connect over Bluetooth.
+
+ Support for the 6-axis controllers is provided by HID_SONY.
+
config HID_ROCCAT
tristate "Roccat device support"
depends on USB_HID
@@ -561,7 +577,9 @@ config HID_SONY
tristate "Sony PS3 controller"
depends on USB_HID
---help---
- Support for Sony PS3 controller.
+ Support for Sony PS3 6-axis controllers.
+
+ Support for the Sony PS3 BD Remote is provided by HID_PS3REMOTE.
config HID_SPEEDLINK
tristate "Speedlink VAD Cezanne mouse support"
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index f975485f88b..5a3690ff9bf 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -69,7 +69,28 @@ obj-$(CONFIG_HID_PRODIKEYS) += hid-prodikeys.o
obj-$(CONFIG_HID_PANTHERLORD) += hid-pl.o
obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o
obj-$(CONFIG_HID_PICOLCD) += hid-picolcd.o
+hid-picolcd-y += hid-picolcd_core.o
+ifdef CONFIG_HID_PICOLCD_FB
+hid-picolcd-y += hid-picolcd_fb.o
+endif
+ifdef CONFIG_HID_PICOLCD_BACKLIGHT
+hid-picolcd-y += hid-picolcd_backlight.o
+endif
+ifdef CONFIG_HID_PICOLCD_LCD
+hid-picolcd-y += hid-picolcd_lcd.o
+endif
+ifdef CONFIG_HID_PICOLCD_LEDS
+hid-picolcd-y += hid-picolcd_leds.o
+endif
+ifdef CONFIG_HID_PICOLCD_CIR
+hid-picolcd-y += hid-picolcd_cir.o
+endif
+ifdef CONFIG_DEBUG_FS
+hid-picolcd-y += hid-picolcd_debugfs.o
+endif
+
obj-$(CONFIG_HID_PRIMAX) += hid-primax.o
+obj-$(CONFIG_HID_PS3REMOTE) += hid-ps3remote.o
obj-$(CONFIG_HID_ROCCAT) += hid-roccat.o hid-roccat-common.o \
hid-roccat-arvo.o hid-roccat-isku.o hid-roccat-kone.o \
hid-roccat-koneplus.o hid-roccat-kovaplus.o hid-roccat-pyra.o \
diff --git a/drivers/hid/hid-a4tech.c b/drivers/hid/hid-a4tech.c
index 902d1dfeb1b..0a239885e67 100644
--- a/drivers/hid/hid-a4tech.c
+++ b/drivers/hid/hid-a4tech.c
@@ -5,7 +5,6 @@
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
* Copyright (c) 2006-2007 Jiri Kosina
- * Copyright (c) 2007 Paul Walmsley
* Copyright (c) 2008 Jiri Slaby
*/
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index 585344b6d33..06ebdbb6ea0 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -5,7 +5,6 @@
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
* Copyright (c) 2006-2007 Jiri Kosina
- * Copyright (c) 2007 Paul Walmsley
* Copyright (c) 2008 Jiri Slaby <jirislaby@gmail.com>
*/
diff --git a/drivers/hid/hid-aureal.c b/drivers/hid/hid-aureal.c
index ba64b041b8b..7968187ddf7 100644
--- a/drivers/hid/hid-aureal.c
+++ b/drivers/hid/hid-aureal.c
@@ -9,7 +9,6 @@
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
* Copyright (c) 2006-2007 Jiri Kosina
- * Copyright (c) 2007 Paul Walmsley
* Copyright (c) 2008 Jiri Slaby
*/
#include <linux/device.h>
diff --git a/drivers/hid/hid-belkin.c b/drivers/hid/hid-belkin.c
index a1a765a5b08..a1a5a12c3a6 100644
--- a/drivers/hid/hid-belkin.c
+++ b/drivers/hid/hid-belkin.c
@@ -5,7 +5,6 @@
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
* Copyright (c) 2006-2007 Jiri Kosina
- * Copyright (c) 2007 Paul Walmsley
* Copyright (c) 2008 Jiri Slaby
*/
diff --git a/drivers/hid/hid-cherry.c b/drivers/hid/hid-cherry.c
index 888ece68a47..af034d3d925 100644
--- a/drivers/hid/hid-cherry.c
+++ b/drivers/hid/hid-cherry.c
@@ -5,7 +5,6 @@
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
* Copyright (c) 2006-2007 Jiri Kosina
- * Copyright (c) 2007 Paul Walmsley
* Copyright (c) 2008 Jiri Slaby
*/
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 60ea284407c..2cd6880b6b1 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -126,7 +126,7 @@ static int open_collection(struct hid_parser *parser, unsigned type)
if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
hid_err(parser->device, "collection stack overflow\n");
- return -1;
+ return -EINVAL;
}
if (parser->device->maxcollection == parser->device->collection_size) {
@@ -134,7 +134,7 @@ static int open_collection(struct hid_parser *parser, unsigned type)
parser->device->collection_size * 2, GFP_KERNEL);
if (collection == NULL) {
hid_err(parser->device, "failed to reallocate collection array\n");
- return -1;
+ return -ENOMEM;
}
memcpy(collection, parser->device->collection,
sizeof(struct hid_collection) *
@@ -170,7 +170,7 @@ static int close_collection(struct hid_parser *parser)
{
if (!parser->collection_stack_ptr) {
hid_err(parser->device, "collection stack underflow\n");
- return -1;
+ return -EINVAL;
}
parser->collection_stack_ptr--;
return 0;
@@ -374,7 +374,7 @@ static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
parser->global.report_size = item_udata(item);
- if (parser->global.report_size > 96) {
+ if (parser->global.report_size > 128) {
hid_err(parser->device, "invalid report_size %d\n",
parser->global.report_size);
return -1;
@@ -757,6 +757,7 @@ int hid_open_report(struct hid_device *device)
struct hid_item item;
unsigned int size;
__u8 *start;
+ __u8 *buf;
__u8 *end;
int ret;
static int (*dispatch_type[])(struct hid_parser *parser,
@@ -775,12 +776,21 @@ int hid_open_report(struct hid_device *device)
return -ENODEV;
size = device->dev_rsize;
+ buf = kmemdup(start, size, GFP_KERNEL);
+ if (buf == NULL)
+ return -ENOMEM;
+
if (device->driver->report_fixup)
- start = device->driver->report_fixup(device, start, &size);
+ start = device->driver->report_fixup(device, buf, &size);
+ else
+ start = buf;
- device->rdesc = kmemdup(start, size, GFP_KERNEL);
- if (device->rdesc == NULL)
+ start = kmemdup(start, size, GFP_KERNEL);
+ kfree(buf);
+ if (start == NULL)
return -ENOMEM;
+
+ device->rdesc = start;
device->rsize = size;
parser = vzalloc(sizeof(struct hid_parser));
@@ -996,7 +1006,8 @@ static void hid_process_event(struct hid_device *hid, struct hid_field *field,
struct hid_driver *hdrv = hid->driver;
int ret;
- hid_dump_input(hid, usage, value);
+ if (!list_empty(&hid->debug_list))
+ hid_dump_input(hid, usage, value);
if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
ret = hdrv->event(hid, field, usage, value);
@@ -1447,7 +1458,14 @@ void hid_disconnect(struct hid_device *hdev)
}
EXPORT_SYMBOL_GPL(hid_disconnect);
-/* a list of devices for which there is a specialized driver on HID bus */
+/*
+ * A list of devices for which there is a specialized driver on HID bus.
+ *
+ * Please note that for multitouch devices (driven by hid-multitouch driver),
+ * there is a proper autodetection and autoloading in place (based on presence
+ * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
+ * as we are doing the right thing in hid_scan_usage().
+ */
static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
@@ -1558,11 +1576,14 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
- { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
+#if IS_ENABLED(CONFIG_HID_LENOVO_TPKBD)
+ { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
+#endif
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
@@ -1624,7 +1645,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
- { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) },
+#if IS_ENABLED(CONFIG_HID_ROCCAT)
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
@@ -1633,10 +1654,12 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
+#endif
{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
@@ -1661,6 +1684,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
diff --git a/drivers/hid/hid-cypress.c b/drivers/hid/hid-cypress.c
index 9e43aaca977..3e159a50dac 100644
--- a/drivers/hid/hid-cypress.c
+++ b/drivers/hid/hid-cypress.c
@@ -5,7 +5,6 @@
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
* Copyright (c) 2006-2007 Jiri Kosina
- * Copyright (c) 2007 Paul Walmsley
* Copyright (c) 2008 Jiri Slaby
*/
diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index 01dd9a7daf7..933fff0fff1 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -911,15 +911,21 @@ static void hid_dump_input_mapping(struct hid_device *hid, struct seq_file *f)
}
-
static int hid_debug_rdesc_show(struct seq_file *f, void *p)
{
struct hid_device *hdev = f->private;
+ const __u8 *rdesc = hdev->rdesc;
+ unsigned rsize = hdev->rsize;
int i;
+ if (!rdesc) {
+ rdesc = hdev->dev_rdesc;
+ rsize = hdev->dev_rsize;
+ }
+
/* dump HID report descriptor */
- for (i = 0; i < hdev->rsize; i++)
- seq_printf(f, "%02x ", hdev->rdesc[i]);
+ for (i = 0; i < rsize; i++)
+ seq_printf(f, "%02x ", rdesc[i]);
seq_printf(f, "\n\n");
/* dump parsed data and input mappings */
diff --git a/drivers/hid/hid-ezkey.c b/drivers/hid/hid-ezkey.c
index ca1163e9d42..6540af2871a 100644
--- a/drivers/hid/hid-ezkey.c
+++ b/drivers/hid/hid-ezkey.c
@@ -5,7 +5,6 @@
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
* Copyright (c) 2006-2007 Jiri Kosina
- * Copyright (c) 2007 Paul Walmsley
* Copyright (c) 2008 Jiri Slaby
*/
diff --git a/drivers/hid/hid-gyration.c b/drivers/hid/hid-gyration.c
index e88b951cd10..4442c30ef53 100644
--- a/drivers/hid/hid-gyration.c
+++ b/drivers/hid/hid-gyration.c
@@ -4,7 +4,6 @@
* Copyright (c) 1999 Andreas Gal
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
- * Copyright (c) 2007 Paul Walmsley
* Copyright (c) 2008 Jiri Slaby
* Copyright (c) 2006-2008 Jiri Kosina
*/
diff --git a/drivers/hid/hid-holtekff.c b/drivers/hid/hid-holtekff.c
index 4e7542151e2..ff295e60059 100644
--- a/drivers/hid/hid-holtekff.c
+++ b/drivers/hid/hid-holtekff.c
@@ -100,8 +100,7 @@ static void holtekff_send(struct holtekff_device *holtekff,
holtekff->field->value[i] = data[i];
}
- dbg_hid("sending %02x %02x %02x %02x %02x %02x %02x\n", data[0],
- data[1], data[2], data[3], data[4], data[5], data[6]);
+ dbg_hid("sending %*ph\n", 7, data);
usbhid_submit_report(hid, holtekff->field->report, USB_DIR_OUT);
}
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 1dcb76ff51e..ca4d83e6e38 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -5,7 +5,6 @@
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
* Copyright (c) 2006-2007 Jiri Kosina
- * Copyright (c) 2007 Paul Walmsley
*/
/*
@@ -269,7 +268,11 @@
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA 0x72fa
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302 0x7302
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349 0x7349
+#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7 0x73f7
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001 0xa001
+#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224 0x7224
+#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0 0x72d0
+#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4 0x72c4
#define USB_VENDOR_ID_ELECOM 0x056e
#define USB_DEVICE_ID_ELECOM_BM084 0x0061
@@ -283,6 +286,9 @@
#define USB_VENDOR_ID_EMS 0x2006
#define USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II 0x0118
+#define USB_VENDOR_ID_FLATFROG 0x25b5
+#define USB_DEVICE_ID_MULTITOUCH_3200 0x0002
+
#define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
#define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
@@ -296,6 +302,9 @@
#define USB_VENDOR_ID_EZKEY 0x0518
#define USB_DEVICE_ID_BTC_8193 0x0002
+#define USB_VENDOR_ID_FREESCALE 0x15A2
+#define USB_DEVICE_ID_FREESCALE_MX28 0x004F
+
#define USB_VENDOR_ID_FRUCTEL 0x25B6
#define USB_DEVICE_ID_GAMETEL_MT_MODE 0x0002
@@ -305,6 +314,7 @@
#define USB_VENDOR_ID_GENERAL_TOUCH 0x0dfc
#define USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS 0x0003
+#define USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS 0x0100
#define USB_VENDOR_ID_GLAB 0x06c2
#define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038
@@ -496,6 +506,7 @@
#define USB_DEVICE_ID_LOGITECH_RECEIVER 0xc101
#define USB_DEVICE_ID_LOGITECH_HARMONY_FIRST 0xc110
#define USB_DEVICE_ID_LOGITECH_HARMONY_LAST 0xc14f
+#define USB_DEVICE_ID_LOGITECH_HARMONY_PS3 0x0306
#define USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD 0xc20a
#define USB_DEVICE_ID_LOGITECH_RUMBLEPAD 0xc211
#define USB_DEVICE_ID_LOGITECH_EXTREME_3D 0xc215
@@ -652,7 +663,6 @@
#define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH 0x3000
#define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001 0x3001
#define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008 0x3008
-#define USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN 0x3001
#define USB_VENDOR_ID_ROCCAT 0x1e7d
#define USB_DEVICE_ID_ROCCAT_ARVO 0x30d4
@@ -683,6 +693,7 @@
#define USB_VENDOR_ID_SONY 0x054c
#define USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE 0x024b
+#define USB_DEVICE_ID_SONY_PS3_BDREMOTE 0x0306
#define USB_DEVICE_ID_SONY_PS3_CONTROLLER 0x0268
#define USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER 0x042f
@@ -758,6 +769,7 @@
#define USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U 0x0005
#define USB_DEVICE_ID_UCLOGIC_TABLET_WP1062 0x0064
#define USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850 0x0522
+#define USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60 0x0781
#define USB_VENDOR_ID_UNITEC 0x227d
#define USB_DEVICE_ID_UNITEC_USB_TOUCH_0709 0x0709
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 811bfad6460..d917c0d5368 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -1154,6 +1154,7 @@ static void report_features(struct hid_device *hid)
int hidinput_connect(struct hid_device *hid, unsigned int force)
{
+ struct hid_driver *drv = hid->driver;
struct hid_report *report;
struct hid_input *hidinput = NULL;
struct input_dev *input_dev;
@@ -1228,6 +1229,8 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
* UGCI) cram a lot of unrelated inputs into the
* same interface. */
hidinput->report = report;
+ if (drv->input_configured)
+ drv->input_configured(hid, hidinput);
if (input_register_device(hidinput->input))
goto out_cleanup;
hidinput = NULL;
@@ -1235,8 +1238,12 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
}
}
- if (hidinput && input_register_device(hidinput->input))
- goto out_cleanup;
+ if (hidinput) {
+ if (drv->input_configured)
+ drv->input_configured(hid, hidinput);
+ if (input_register_device(hidinput->input))
+ goto out_cleanup;
+ }
return 0;
diff --git a/drivers/hid/hid-lcpower.c b/drivers/hid/hid-lcpower.c
index c4fe9bd095b..22bc14abdfa 100644
--- a/drivers/hid/hid-lcpower.c
+++ b/drivers/hid/hid-lcpower.c
@@ -24,7 +24,7 @@ static int ts_input_mapping(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
- if ((usage->hid & HID_USAGE_PAGE) != 0x0ffbc0000)
+ if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
return 0;
switch (usage->hid & HID_USAGE) {
diff --git a/drivers/hid/hid-lenovo-tpkbd.c b/drivers/hid/hid-lenovo-tpkbd.c
index 77d2df04c97..cea016e94f4 100644
--- a/drivers/hid/hid-lenovo-tpkbd.c
+++ b/drivers/hid/hid-lenovo-tpkbd.c
@@ -56,9 +56,8 @@ static int tpkbd_input_mapping(struct hid_device *hdev,
static int tpkbd_features_set(struct hid_device *hdev)
{
struct hid_report *report;
- struct tpkbd_data_pointer *data_pointer;
+ struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
- data_pointer = (struct tpkbd_data_pointer *) hid_get_drvdata(hdev);
report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[4];
report->field[0]->value[0] = data_pointer->press_to_select ? 0x01 : 0x02;
@@ -77,14 +76,8 @@ static ssize_t pointer_press_to_select_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct hid_device *hdev;
- struct tpkbd_data_pointer *data_pointer;
-
- hdev = container_of(dev, struct hid_device, dev);
- if (hdev == NULL)
- return -ENODEV;
-
- data_pointer = (struct tpkbd_data_pointer *) hid_get_drvdata(hdev);
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->press_to_select);
}
@@ -94,16 +87,10 @@ static ssize_t pointer_press_to_select_store(struct device *dev,
const char *buf,
size_t count)
{
- struct hid_device *hdev;
- struct tpkbd_data_pointer *data_pointer;
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
int value;
- hdev = container_of(dev, struct hid_device, dev);
- if (hdev == NULL)
- return -ENODEV;
-
- data_pointer = (struct tpkbd_data_pointer *) hid_get_drvdata(hdev);
-
if (kstrtoint(buf, 10, &value))
return -EINVAL;
if (value < 0 || value > 1)
@@ -119,14 +106,8 @@ static ssize_t pointer_dragging_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct hid_device *hdev;
- struct tpkbd_data_pointer *data_pointer;
-
- hdev = container_of(dev, struct hid_device, dev);
- if (hdev == NULL)
- return -ENODEV;
-
- data_pointer = (struct tpkbd_data_pointer *) hid_get_drvdata(hdev);
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->dragging);
}
@@ -136,16 +117,10 @@ static ssize_t pointer_dragging_store(struct device *dev,
const char *buf,
size_t count)
{
- struct hid_device *hdev;
- struct tpkbd_data_pointer *data_pointer;
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
int value;
- hdev = container_of(dev, struct hid_device, dev);
- if (hdev == NULL)
- return -ENODEV;
-
- data_pointer = (struct tpkbd_data_pointer *) hid_get_drvdata(hdev);
-
if (kstrtoint(buf, 10, &value))
return -EINVAL;
if (value < 0 || value > 1)
@@ -161,14 +136,8 @@ static ssize_t pointer_release_to_select_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct hid_device *hdev;
- struct tpkbd_data_pointer *data_pointer;
-
- hdev = container_of(dev, struct hid_device, dev);
- if (hdev == NULL)
- return -ENODEV;
-
- data_pointer = (struct tpkbd_data_pointer *) hid_get_drvdata(hdev);
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->release_to_select);
}
@@ -178,16 +147,10 @@ static ssize_t pointer_release_to_select_store(struct device *dev,
const char *buf,
size_t count)
{
- struct hid_device *hdev;
- struct tpkbd_data_pointer *data_pointer;
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
int value;
- hdev = container_of(dev, struct hid_device, dev);
- if (hdev == NULL)
- return -ENODEV;
-
- data_pointer = (struct tpkbd_data_pointer *) hid_get_drvdata(hdev);
-
if (kstrtoint(buf, 10, &value))
return -EINVAL;
if (value < 0 || value > 1)
@@ -203,14 +166,8 @@ static ssize_t pointer_select_right_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct hid_device *hdev;
- struct tpkbd_data_pointer *data_pointer;
-
- hdev = container_of(dev, struct hid_device, dev);
- if (hdev == NULL)
- return -ENODEV;
-
- data_pointer = (struct tpkbd_data_pointer *) hid_get_drvdata(hdev);
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->select_right);
}
@@ -220,16 +177,10 @@ static ssize_t pointer_select_right_store(struct device *dev,
const char *buf,
size_t count)
{
- struct hid_device *hdev;
- struct tpkbd_data_pointer *data_pointer;
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
int value;
- hdev = container_of(dev, struct hid_device, dev);
- if (hdev == NULL)
- return -ENODEV;
-
- data_pointer = (struct tpkbd_data_pointer *) hid_get_drvdata(hdev);
-
if (kstrtoint(buf, 10, &value))
return -EINVAL;
if (value < 0 || value > 1)
@@ -245,14 +196,8 @@ static ssize_t pointer_sensitivity_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct hid_device *hdev;
- struct tpkbd_data_pointer *data_pointer;
-
- hdev = container_of(dev, struct hid_device, dev);
- if (hdev == NULL)
- return -ENODEV;
-
- data_pointer = (struct tpkbd_data_pointer *) hid_get_drvdata(hdev);
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
return snprintf(buf, PAGE_SIZE, "%u\n",
data_pointer->sensitivity);
@@ -263,16 +208,10 @@ static ssize_t pointer_sensitivity_store(struct device *dev,
const char *buf,
size_t count)
{
- struct hid_device *hdev;
- struct tpkbd_data_pointer *data_pointer;
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
int value;
- hdev = container_of(dev, struct hid_device, dev);
- if (hdev == NULL)
- return -ENODEV;
-
- data_pointer = (struct tpkbd_data_pointer *) hid_get_drvdata(hdev);
-
if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
return -EINVAL;
@@ -286,14 +225,10 @@ static ssize_t pointer_press_speed_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct hid_device *hdev;
- struct tpkbd_data_pointer *data_pointer;
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
- hdev = container_of(dev, struct hid_device, dev);
- if (hdev == NULL)
- return -ENODEV;
-
- data_pointer = (struct tpkbd_data_pointer *) hid_get_drvdata(hdev);
+ data_pointer = hid_get_drvdata(hdev);
return snprintf(buf, PAGE_SIZE, "%u\n",
data_pointer->press_speed);
@@ -304,16 +239,10 @@ static ssize_t pointer_press_speed_store(struct device *dev,
const char *buf,
size_t count)
{
- struct hid_device *hdev;
- struct tpkbd_data_pointer *data_pointer;
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
int value;
- hdev = container_of(dev, struct hid_device, dev);
- if (hdev == NULL)
- return -ENODEV;
-
- data_pointer = (struct tpkbd_data_pointer *) hid_get_drvdata(hdev);
-
if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
return -EINVAL;
@@ -370,15 +299,11 @@ static const struct attribute_group tpkbd_attr_group_pointer = {
static enum led_brightness tpkbd_led_brightness_get(
struct led_classdev *led_cdev)
{
- struct device *dev;
- struct hid_device *hdev;
- struct tpkbd_data_pointer *data_pointer;
+ struct device *dev = led_cdev->dev->parent;
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
int led_nr = 0;
- dev = led_cdev->dev->parent;
- hdev = container_of(dev, struct hid_device, dev);
- data_pointer = (struct tpkbd_data_pointer *) hid_get_drvdata(hdev);
-
if (led_cdev == &data_pointer->led_micmute)
led_nr = 1;
@@ -390,16 +315,12 @@ static enum led_brightness tpkbd_led_brightness_get(
static void tpkbd_led_brightness_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
- struct device *dev;
- struct hid_device *hdev;
+ struct device *dev = led_cdev->dev->parent;
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
struct hid_report *report;
- struct tpkbd_data_pointer *data_pointer;
int led_nr = 0;
- dev = led_cdev->dev->parent;
- hdev = container_of(dev, struct hid_device, dev);
- data_pointer = (struct tpkbd_data_pointer *) hid_get_drvdata(hdev);
-
if (led_cdev == &data_pointer->led_micmute)
led_nr = 1;
@@ -508,17 +429,17 @@ err_free:
static void tpkbd_remove_tp(struct hid_device *hdev)
{
- struct tpkbd_data_pointer *data_pointer;
+ struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
sysfs_remove_group(&hdev->dev.kobj,
&tpkbd_attr_group_pointer);
- data_pointer = (struct tpkbd_data_pointer *) hid_get_drvdata(hdev);
-
led_classdev_unregister(&data_pointer->led_micmute);
led_classdev_unregister(&data_pointer->led_mute);
hid_set_drvdata(hdev, NULL);
+ kfree(data_pointer->led_micmute.name);
+ kfree(data_pointer->led_mute.name);
kfree(data_pointer);
}
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index fc37ed6b108..a2f8e88b9fa 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -5,7 +5,6 @@
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
* Copyright (c) 2006-2007 Jiri Kosina
- * Copyright (c) 2007 Paul Walmsley
* Copyright (c) 2008 Jiri Slaby
* Copyright (c) 2010 Hendrik Iben
*/
@@ -109,7 +108,7 @@ static __u8 dfp_rdesc_fixed[] = {
static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
- struct lg_drv_data *drv_data = (struct lg_drv_data *)hid_get_drvdata(hdev);
+ struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
if ((drv_data->quirks & LG_RDESC) && *rsize >= 90 && rdesc[83] == 0x26 &&
rdesc[84] == 0x8c && rdesc[85] == 0x02) {
@@ -278,7 +277,7 @@ static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi,
0, 0, 0, 0, 0,183,184,185,186,187,
188,189,190,191,192,193,194, 0, 0, 0
};
- struct lg_drv_data *drv_data = (struct lg_drv_data *)hid_get_drvdata(hdev);
+ struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
unsigned int hid = usage->hid;
if (hdev->product == USB_DEVICE_ID_LOGITECH_RECEIVER &&
@@ -319,7 +318,7 @@ static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
- struct lg_drv_data *drv_data = (struct lg_drv_data *)hid_get_drvdata(hdev);
+ struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
if ((drv_data->quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY &&
(field->flags & HID_MAIN_ITEM_RELATIVE))
@@ -335,13 +334,16 @@ static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
static int lg_event(struct hid_device *hdev, struct hid_field *field,
struct hid_usage *usage, __s32 value)
{
- struct lg_drv_data *drv_data = (struct lg_drv_data *)hid_get_drvdata(hdev);
+ struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
if ((drv_data->quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) {
input_event(field->hidinput->input, usage->type, usage->code,
-value);
return 1;
}
+ if (drv_data->quirks & LG_FF4) {
+ return lg4ff_adjust_input_event(hdev, field, usage, value, drv_data);
+ }
return 0;
}
@@ -358,7 +360,7 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
return -ENOMEM;
}
drv_data->quirks = id->driver_data;
-
+
hid_set_drvdata(hdev, (void *)drv_data);
if (drv_data->quirks & LG_NOGET)
@@ -380,7 +382,7 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
}
/* Setup wireless link with Logitech Wii wheel */
- if(hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) {
+ if (hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) {
unsigned char buf[] = { 0x00, 0xAF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
ret = hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
@@ -416,7 +418,7 @@ err_free:
static void lg_remove(struct hid_device *hdev)
{
- struct lg_drv_data *drv_data = (struct lg_drv_data *)hid_get_drvdata(hdev);
+ struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
if (drv_data->quirks & LG_FF4)
lg4ff_deinit(hdev);
@@ -476,7 +478,7 @@ static const struct hid_device_id lg_devices[] = {
.driver_data = LG_NOGET | LG_FF4 },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL),
.driver_data = LG_FF4 },
- { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ),
+ { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG),
.driver_data = LG_FF },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2),
.driver_data = LG_FF2 },
diff --git a/drivers/hid/hid-lg.h b/drivers/hid/hid-lg.h
index d64cf8d2751..142ce3f5f05 100644
--- a/drivers/hid/hid-lg.h
+++ b/drivers/hid/hid-lg.h
@@ -25,9 +25,13 @@ static inline int lg3ff_init(struct hid_device *hdev) { return -1; }
#endif
#ifdef CONFIG_LOGIWHEELS_FF
+int lg4ff_adjust_input_event(struct hid_device *hid, struct hid_field *field,
+ struct hid_usage *usage, __s32 value, struct lg_drv_data *drv_data);
int lg4ff_init(struct hid_device *hdev);
int lg4ff_deinit(struct hid_device *hdev);
#else
+static inline int lg4ff_adjust_input_event(struct hid_device *hid, struct hid_field *field,
+ struct hid_usage *usage, __s32 value, struct lg_drv_data *drv_data) { return 0; }
static inline int lg4ff_init(struct hid_device *hdev) { return -1; }
static inline int lg4ff_deinit(struct hid_device *hdev) { return -1; }
#endif
diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c
index f3390ee6105..d7947c701f3 100644
--- a/drivers/hid/hid-lg4ff.c
+++ b/drivers/hid/hid-lg4ff.c
@@ -43,6 +43,11 @@
#define G27_REV_MAJ 0x12
#define G27_REV_MIN 0x38
+#define DFP_X_MIN 0
+#define DFP_X_MAX 16383
+#define DFP_PEDAL_MIN 0
+#define DFP_PEDAL_MAX 255
+
#define to_hid_device(pdev) container_of(pdev, struct hid_device, dev)
static void hid_lg4ff_set_range_dfp(struct hid_device *hid, u16 range);
@@ -53,6 +58,7 @@ static ssize_t lg4ff_range_store(struct device *dev, struct device_attribute *at
static DEVICE_ATTR(range, S_IRWXU | S_IRWXG | S_IRWXO, lg4ff_range_show, lg4ff_range_store);
struct lg4ff_device_entry {
+ __u32 product_id;
__u16 range;
__u16 min_range;
__u16 max_range;
@@ -129,26 +135,77 @@ static const struct lg4ff_usb_revision lg4ff_revs[] = {
{G27_REV_MAJ, G27_REV_MIN, &native_g27}, /* G27 */
};
+/* Recalculates X axis value accordingly to currently selected range */
+static __s32 lg4ff_adjust_dfp_x_axis(__s32 value, __u16 range)
+{
+ __u16 max_range;
+ __s32 new_value;
+
+ if (range == 900)
+ return value;
+ else if (range == 200)
+ return value;
+ else if (range < 200)
+ max_range = 200;
+ else
+ max_range = 900;
+
+ new_value = 8192 + mult_frac(value - 8192, max_range, range);
+ if (new_value < 0)
+ return 0;
+ else if (new_value > 16383)
+ return 16383;
+ else
+ return new_value;
+}
+
+int lg4ff_adjust_input_event(struct hid_device *hid, struct hid_field *field,
+ struct hid_usage *usage, __s32 value, struct lg_drv_data *drv_data)
+{
+ struct lg4ff_device_entry *entry = drv_data->device_props;
+ __s32 new_value = 0;
+
+ if (!entry) {
+ hid_err(hid, "Device properties not found");
+ return 0;
+ }
+
+ switch (entry->product_id) {
+ case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
+ switch (usage->code) {
+ case ABS_X:
+ new_value = lg4ff_adjust_dfp_x_axis(value, entry->range);
+ input_event(field->hidinput->input, usage->type, usage->code, new_value);
+ return 1;
+ default:
+ return 0;
+ }
+ default:
+ return 0;
+ }
+}
+
static int hid_lg4ff_play(struct input_dev *dev, void *data, struct ff_effect *effect)
{
struct hid_device *hid = input_get_drvdata(dev);
struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
+ __s32 *value = report->field[0]->value;
int x;
-#define CLAMP(x) if (x < 0) x = 0; if (x > 0xff) x = 0xff
+#define CLAMP(x) do { if (x < 0) x = 0; else if (x > 0xff) x = 0xff; } while (0)
switch (effect->type) {
case FF_CONSTANT:
x = effect->u.ramp.start_level + 0x80; /* 0x80 is no force */
CLAMP(x);
- report->field[0]->value[0] = 0x11; /* Slot 1 */
- report->field[0]->value[1] = 0x08;
- report->field[0]->value[2] = x;
- report->field[0]->value[3] = 0x80;
- report->field[0]->value[4] = 0x00;
- report->field[0]->value[5] = 0x00;
- report->field[0]->value[6] = 0x00;
+ value[0] = 0x11; /* Slot 1 */
+ value[1] = 0x08;
+ value[2] = x;
+ value[3] = 0x80;
+ value[4] = 0x00;
+ value[5] = 0x00;
+ value[6] = 0x00;
usbhid_submit_report(hid, report, USB_DIR_OUT);
break;
@@ -163,14 +220,15 @@ static void hid_lg4ff_set_autocenter_default(struct input_dev *dev, u16 magnitud
struct hid_device *hid = input_get_drvdata(dev);
struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
+ __s32 *value = report->field[0]->value;
- report->field[0]->value[0] = 0xfe;
- report->field[0]->value[1] = 0x0d;
- report->field[0]->value[2] = magnitude >> 13;
- report->field[0]->value[3] = magnitude >> 13;
- report->field[0]->value[4] = magnitude >> 8;
- report->field[0]->value[5] = 0x00;
- report->field[0]->value[6] = 0x00;
+ value[0] = 0xfe;
+ value[1] = 0x0d;
+ value[2] = magnitude >> 13;
+ value[3] = magnitude >> 13;
+ value[4] = magnitude >> 8;
+ value[5] = 0x00;
+ value[6] = 0x00;
usbhid_submit_report(hid, report, USB_DIR_OUT);
}
@@ -181,16 +239,16 @@ static void hid_lg4ff_set_autocenter_ffex(struct input_dev *dev, u16 magnitude)
struct hid_device *hid = input_get_drvdata(dev);
struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
+ __s32 *value = report->field[0]->value;
magnitude = magnitude * 90 / 65535;
-
- report->field[0]->value[0] = 0xfe;
- report->field[0]->value[1] = 0x03;
- report->field[0]->value[2] = magnitude >> 14;
- report->field[0]->value[3] = magnitude >> 14;
- report->field[0]->value[4] = magnitude;
- report->field[0]->value[5] = 0x00;
- report->field[0]->value[6] = 0x00;
+ value[0] = 0xfe;
+ value[1] = 0x03;
+ value[2] = magnitude >> 14;
+ value[3] = magnitude >> 14;
+ value[4] = magnitude;
+ value[5] = 0x00;
+ value[6] = 0x00;
usbhid_submit_report(hid, report, USB_DIR_OUT);
}
@@ -200,15 +258,17 @@ static void hid_lg4ff_set_range_g25(struct hid_device *hid, u16 range)
{
struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
+ __s32 *value = report->field[0]->value;
+
dbg_hid("G25/G27/DFGT: setting range to %u\n", range);
- report->field[0]->value[0] = 0xf8;
- report->field[0]->value[1] = 0x81;
- report->field[0]->value[2] = range & 0x00ff;
- report->field[0]->value[3] = (range & 0xff00) >> 8;
- report->field[0]->value[4] = 0x00;
- report->field[0]->value[5] = 0x00;
- report->field[0]->value[6] = 0x00;
+ value[0] = 0xf8;
+ value[1] = 0x81;
+ value[2] = range & 0x00ff;
+ value[3] = (range & 0xff00) >> 8;
+ value[4] = 0x00;
+ value[5] = 0x00;
+ value[6] = 0x00;
usbhid_submit_report(hid, report, USB_DIR_OUT);
}
@@ -219,16 +279,18 @@ static void hid_lg4ff_set_range_dfp(struct hid_device *hid, __u16 range)
struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
int start_left, start_right, full_range;
+ __s32 *value = report->field[0]->value;
+
dbg_hid("Driving Force Pro: setting range to %u\n", range);
/* Prepare "coarse" limit command */
- report->field[0]->value[0] = 0xf8;
- report->field[0]->value[1] = 0x00; /* Set later */
- report->field[0]->value[2] = 0x00;
- report->field[0]->value[3] = 0x00;
- report->field[0]->value[4] = 0x00;
- report->field[0]->value[5] = 0x00;
- report->field[0]->value[6] = 0x00;
+ value[0] = 0xf8;
+ value[1] = 0x00; /* Set later */
+ value[2] = 0x00;
+ value[3] = 0x00;
+ value[4] = 0x00;
+ value[5] = 0x00;
+ value[6] = 0x00;
if (range > 200) {
report->field[0]->value[1] = 0x03;
@@ -240,13 +302,13 @@ static void hid_lg4ff_set_range_dfp(struct hid_device *hid, __u16 range)
usbhid_submit_report(hid, report, USB_DIR_OUT);
/* Prepare "fine" limit command */
- report->field[0]->value[0] = 0x81;
- report->field[0]->value[1] = 0x0b;
- report->field[0]->value[2] = 0x00;
- report->field[0]->value[3] = 0x00;
- report->field[0]->value[4] = 0x00;
- report->field[0]->value[5] = 0x00;
- report->field[0]->value[6] = 0x00;
+ value[0] = 0x81;
+ value[1] = 0x0b;
+ value[2] = 0x00;
+ value[3] = 0x00;
+ value[4] = 0x00;
+ value[5] = 0x00;
+ value[6] = 0x00;
if (range == 200 || range == 900) { /* Do not apply any fine limit */
usbhid_submit_report(hid, report, USB_DIR_OUT);
@@ -257,11 +319,11 @@ static void hid_lg4ff_set_range_dfp(struct hid_device *hid, __u16 range)
start_left = (((full_range - range + 1) * 2047) / full_range);
start_right = 0xfff - start_left;
- report->field[0]->value[2] = start_left >> 4;
- report->field[0]->value[3] = start_right >> 4;
- report->field[0]->value[4] = 0xff;
- report->field[0]->value[5] = (start_right & 0xe) << 4 | (start_left & 0xe);
- report->field[0]->value[6] = 0xff;
+ value[2] = start_left >> 4;
+ value[3] = start_right >> 4;
+ value[4] = 0xff;
+ value[5] = (start_right & 0xe) << 4 | (start_left & 0xe);
+ value[6] = 0xff;
usbhid_submit_report(hid, report, USB_DIR_OUT);
}
@@ -344,14 +406,15 @@ static void lg4ff_set_leds(struct hid_device *hid, __u8 leds)
{
struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
-
- report->field[0]->value[0] = 0xf8;
- report->field[0]->value[1] = 0x12;
- report->field[0]->value[2] = leds;
- report->field[0]->value[3] = 0x00;
- report->field[0]->value[4] = 0x00;
- report->field[0]->value[5] = 0x00;
- report->field[0]->value[6] = 0x00;
+ __s32 *value = report->field[0]->value;
+
+ value[0] = 0xf8;
+ value[1] = 0x12;
+ value[2] = leds;
+ value[3] = 0x00;
+ value[4] = 0x00;
+ value[5] = 0x00;
+ value[6] = 0x00;
usbhid_submit_report(hid, report, USB_DIR_OUT);
}
@@ -360,7 +423,7 @@ static void lg4ff_led_set_brightness(struct led_classdev *led_cdev,
{
struct device *dev = led_cdev->dev->parent;
struct hid_device *hid = container_of(dev, struct hid_device, dev);
- struct lg_drv_data *drv_data = (struct lg_drv_data *)hid_get_drvdata(hid);
+ struct lg_drv_data *drv_data = hid_get_drvdata(hid);
struct lg4ff_device_entry *entry;
int i, state = 0;
@@ -395,7 +458,7 @@ static enum led_brightness lg4ff_led_get_brightness(struct led_classdev *led_cde
{
struct device *dev = led_cdev->dev->parent;
struct hid_device *hid = container_of(dev, struct hid_device, dev);
- struct lg_drv_data *drv_data = (struct lg_drv_data *)hid_get_drvdata(hid);
+ struct lg_drv_data *drv_data = hid_get_drvdata(hid);
struct lg4ff_device_entry *entry;
int i, value = 0;
@@ -501,7 +564,7 @@ int lg4ff_init(struct hid_device *hid)
/* Check if autocentering is available and
* set the centering force to zero by default */
if (test_bit(FF_AUTOCENTER, dev->ffbit)) {
- if(rev_maj == FFEX_REV_MAJ && rev_min == FFEX_REV_MIN) /* Formula Force EX expects different autocentering command */
+ if (rev_maj == FFEX_REV_MAJ && rev_min == FFEX_REV_MIN) /* Formula Force EX expects different autocentering command */
dev->ff->set_autocenter = hid_lg4ff_set_autocenter_ffex;
else
dev->ff->set_autocenter = hid_lg4ff_set_autocenter_default;
@@ -524,6 +587,7 @@ int lg4ff_init(struct hid_device *hid)
}
drv_data->device_props = entry;
+ entry->product_id = lg4ff_devices[i].product_id;
entry->min_range = lg4ff_devices[i].min_range;
entry->max_range = lg4ff_devices[i].max_range;
entry->set_range = lg4ff_devices[i].set_range;
@@ -534,6 +598,18 @@ int lg4ff_init(struct hid_device *hid)
return error;
dbg_hid("sysfs interface created\n");
+ /* Set default axes parameters */
+ switch (lg4ff_devices[i].product_id) {
+ case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
+ dbg_hid("Setting axes parameters for Driving Force Pro\n");
+ input_set_abs_params(dev, ABS_X, DFP_X_MIN, DFP_X_MAX, 0, 0);
+ input_set_abs_params(dev, ABS_Y, DFP_PEDAL_MIN, DFP_PEDAL_MAX, 0, 0);
+ input_set_abs_params(dev, ABS_RZ, DFP_PEDAL_MIN, DFP_PEDAL_MAX, 0, 0);
+ break;
+ default:
+ break;
+ }
+
/* Set the maximum range to start with */
entry->range = entry->max_range;
if (entry->set_range != NULL)
@@ -594,6 +670,8 @@ out:
return 0;
}
+
+
int lg4ff_deinit(struct hid_device *hid)
{
struct lg4ff_device_entry *entry;
diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
index 0f9c146fc00..9500f2f3f8f 100644
--- a/drivers/hid/hid-logitech-dj.c
+++ b/drivers/hid/hid-logitech-dj.c
@@ -193,6 +193,7 @@ static struct hid_ll_driver logi_dj_ll_driver;
static int logi_dj_output_hidraw_report(struct hid_device *hid, u8 * buf,
size_t count,
unsigned char report_type);
+static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev);
static void logi_dj_recv_destroy_djhid_device(struct dj_receiver_dev *djrcv_dev,
struct dj_report *dj_report)
@@ -233,6 +234,7 @@ static void logi_dj_recv_add_djhid_device(struct dj_receiver_dev *djrcv_dev,
if (dj_report->report_params[DEVICE_PAIRED_PARAM_SPFUNCTION] &
SPFUNCTION_DEVICE_LIST_EMPTY) {
dbg_hid("%s: device list is empty\n", __func__);
+ djrcv_dev->querying_devices = false;
return;
}
@@ -243,6 +245,12 @@ static void logi_dj_recv_add_djhid_device(struct dj_receiver_dev *djrcv_dev,
return;
}
+ if (djrcv_dev->paired_dj_devices[dj_report->device_index]) {
+ /* The device is already known. No need to reallocate it. */
+ dbg_hid("%s: device is already known\n", __func__);
+ return;
+ }
+
dj_hiddev = hid_allocate_device();
if (IS_ERR(dj_hiddev)) {
dev_err(&djrcv_hdev->dev, "%s: hid_allocate_device failed\n",
@@ -306,6 +314,7 @@ static void delayedwork_callback(struct work_struct *work)
struct dj_report dj_report;
unsigned long flags;
int count;
+ int retval;
dbg_hid("%s\n", __func__);
@@ -338,6 +347,25 @@ static void delayedwork_callback(struct work_struct *work)
logi_dj_recv_destroy_djhid_device(djrcv_dev, &dj_report);
break;
default:
+ /* A normal report (i. e. not belonging to a pair/unpair notification)
+ * arriving here, means that the report arrived but we did not have a
+ * paired dj_device associated to the report's device_index, this
+ * means that the original "device paired" notification corresponding
+ * to this dj_device never arrived to this driver. The reason is that
+ * hid-core discards all packets coming from a device while probe() is
+ * executing. */
+ if (!djrcv_dev->paired_dj_devices[dj_report.device_index]) {
+ /* ok, we don't know the device, just re-ask the
+ * receiver for the list of connected devices. */
+ retval = logi_dj_recv_query_paired_devices(djrcv_dev);
+ if (!retval) {
+ /* everything went fine, so just leave */
+ break;
+ }
+ dev_err(&djrcv_dev->hdev->dev,
+ "%s:logi_dj_recv_query_paired_devices "
+ "error:%d\n", __func__, retval);
+ }
dbg_hid("%s: unexpected report type\n", __func__);
}
}
@@ -368,6 +396,12 @@ static void logi_dj_recv_forward_null_report(struct dj_receiver_dev *djrcv_dev,
if (!djdev) {
dbg_hid("djrcv_dev->paired_dj_devices[dj_report->device_index]"
" is NULL, index %d\n", dj_report->device_index);
+ kfifo_in(&djrcv_dev->notif_fifo, dj_report, sizeof(struct dj_report));
+
+ if (schedule_work(&djrcv_dev->work) == 0) {
+ dbg_hid("%s: did not schedule the work item, was already "
+ "queued\n", __func__);
+ }
return;
}
@@ -398,6 +432,12 @@ static void logi_dj_recv_forward_report(struct dj_receiver_dev *djrcv_dev,
if (dj_device == NULL) {
dbg_hid("djrcv_dev->paired_dj_devices[dj_report->device_index]"
" is NULL, index %d\n", dj_report->device_index);
+ kfifo_in(&djrcv_dev->notif_fifo, dj_report, sizeof(struct dj_report));
+
+ if (schedule_work(&djrcv_dev->work) == 0) {
+ dbg_hid("%s: did not schedule the work item, was already "
+ "queued\n", __func__);
+ }
return;
}
@@ -439,7 +479,11 @@ static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev)
struct dj_report *dj_report;
int retval;
- dj_report = kzalloc(sizeof(dj_report), GFP_KERNEL);
+ /* no need to protect djrcv_dev->querying_devices */
+ if (djrcv_dev->querying_devices)
+ return 0;
+
+ dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL);
if (!dj_report)
return -ENOMEM;
dj_report->report_id = REPORT_ID_DJ_SHORT;
@@ -450,13 +494,14 @@ static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev)
return retval;
}
+
static int logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev,
unsigned timeout)
{
struct dj_report *dj_report;
int retval;
- dj_report = kzalloc(sizeof(dj_report), GFP_KERNEL);
+ dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL);
if (!dj_report)
return -ENOMEM;
dj_report->report_id = REPORT_ID_DJ_SHORT;
diff --git a/drivers/hid/hid-logitech-dj.h b/drivers/hid/hid-logitech-dj.h
index fd28a5e0ca3..4a4000340ce 100644
--- a/drivers/hid/hid-logitech-dj.h
+++ b/drivers/hid/hid-logitech-dj.h
@@ -101,6 +101,7 @@ struct dj_receiver_dev {
struct work_struct work;
struct kfifo notif_fifo;
spinlock_t lock;
+ bool querying_devices;
};
struct dj_device {
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index 73647266daa..25ddf3e3aec 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -392,7 +392,7 @@ static int magicmouse_setup_input(struct input_dev *input, struct hid_device *hd
__set_bit(EV_ABS, input->evbit);
- error = input_mt_init_slots(input, 16);
+ error = input_mt_init_slots(input, 16, 0);
if (error)
return error;
input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 255 << 2,
diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c
index e5c699b6c6f..3acdcfcc17d 100644
--- a/drivers/hid/hid-microsoft.c
+++ b/drivers/hid/hid-microsoft.c
@@ -5,7 +5,6 @@
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
* Copyright (c) 2006-2007 Jiri Kosina
- * Copyright (c) 2007 Paul Walmsley
* Copyright (c) 2008 Jiri Slaby
*/
diff --git a/drivers/hid/hid-monterey.c b/drivers/hid/hid-monterey.c
index dedf757781a..cd3643e06fa 100644
--- a/drivers/hid/hid-monterey.c
+++ b/drivers/hid/hid-monterey.c
@@ -5,7 +5,6 @@
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
* Copyright (c) 2006-2007 Jiri Kosina
- * Copyright (c) 2007 Paul Walmsley
* Copyright (c) 2008 Jiri Slaby
*/
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 59c8b5c1d2d..3eb02b94fc8 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -51,12 +51,12 @@ MODULE_LICENSE("GPL");
#define MT_QUIRK_VALID_IS_INRANGE (1 << 5)
#define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6)
#define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8)
+#define MT_QUIRK_NO_AREA (1 << 9)
struct mt_slot {
__s32 x, y, p, w, h;
__s32 contactid; /* the device ContactID assigned to this slot */
bool touch_state; /* is the touch valid? */
- bool seen_in_this_frame;/* has this slot been updated */
};
struct mt_class {
@@ -92,8 +92,9 @@ struct mt_device {
__u8 touches_by_report; /* how many touches are present in one report:
* 1 means we should use a serial protocol
* > 1 means hybrid (multitouch) protocol */
+ bool serial_maybe; /* need to check for serial protocol */
bool curvalid; /* is the current contact valid? */
- struct mt_slot *slots;
+ unsigned mt_flags; /* flags to pass to input-mt */
};
/* classes of device behavior */
@@ -115,6 +116,9 @@ struct mt_device {
#define MT_CLS_EGALAX_SERIAL 0x0104
#define MT_CLS_TOPSEED 0x0105
#define MT_CLS_PANASONIC 0x0106
+#define MT_CLS_FLATFROG 0x0107
+#define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108
+#define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
#define MT_DEFAULT_MAXCONTACT 10
@@ -134,25 +138,6 @@ static int cypress_compute_slot(struct mt_device *td)
return -1;
}
-static int find_slot_from_contactid(struct mt_device *td)
-{
- int i;
- for (i = 0; i < td->maxcontacts; ++i) {
- if (td->slots[i].contactid == td->curdata.contactid &&
- td->slots[i].touch_state)
- return i;
- }
- for (i = 0; i < td->maxcontacts; ++i) {
- if (!td->slots[i].seen_in_this_frame &&
- !td->slots[i].touch_state)
- return i;
- }
- /* should not occurs. If this happens that means
- * that the device sent more touches that it says
- * in the report descriptor. It is ignored then. */
- return -1;
-}
-
static struct mt_class mt_classes[] = {
{ .name = MT_CLS_DEFAULT,
.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
@@ -190,7 +175,9 @@ static struct mt_class mt_classes[] = {
MT_QUIRK_SLOT_IS_CONTACTID,
.sn_move = 2048,
.sn_width = 128,
- .sn_height = 128 },
+ .sn_height = 128,
+ .maxcontacts = 60,
+ },
{ .name = MT_CLS_CYPRESS,
.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
MT_QUIRK_CYPRESS,
@@ -215,7 +202,24 @@ static struct mt_class mt_classes[] = {
{ .name = MT_CLS_PANASONIC,
.quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
.maxcontacts = 4 },
+ { .name = MT_CLS_GENERALTOUCH_TWOFINGERS,
+ .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
+ MT_QUIRK_VALID_IS_INRANGE |
+ MT_QUIRK_SLOT_IS_CONTACTNUMBER,
+ .maxcontacts = 2
+ },
+ { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
+ .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
+ MT_QUIRK_SLOT_IS_CONTACTNUMBER,
+ .maxcontacts = 10
+ },
+ { .name = MT_CLS_FLATFROG,
+ .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
+ MT_QUIRK_NO_AREA,
+ .sn_move = 2048,
+ .maxcontacts = 40,
+ },
{ }
};
@@ -319,24 +323,16 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
* We need to ignore fields that belong to other collections
* such as Mouse that might have the same GenericDesktop usages. */
if (field->application == HID_DG_TOUCHSCREEN)
- set_bit(INPUT_PROP_DIRECT, hi->input->propbit);
+ td->mt_flags |= INPUT_MT_DIRECT;
else if (field->application != HID_DG_TOUCHPAD)
return 0;
- /* In case of an indirect device (touchpad), we need to add
- * specific BTN_TOOL_* to be handled by the synaptics xorg
- * driver.
- * We also consider that touchscreens providing buttons are touchpads.
+ /*
+ * Model touchscreens providing buttons as touchpads.
*/
if (field->application == HID_DG_TOUCHPAD ||
- (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON ||
- cls->is_indirect) {
- set_bit(INPUT_PROP_POINTER, hi->input->propbit);
- set_bit(BTN_TOOL_FINGER, hi->input->keybit);
- set_bit(BTN_TOOL_DOUBLETAP, hi->input->keybit);
- set_bit(BTN_TOOL_TRIPLETAP, hi->input->keybit);
- set_bit(BTN_TOOL_QUADTAP, hi->input->keybit);
- }
+ (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
+ td->mt_flags |= INPUT_MT_POINTER;
/* eGalax devices provide a Digitizer.Stylus input which overrides
* the correct Digitizers.Finger X/Y ranges.
@@ -353,8 +349,6 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
EV_ABS, ABS_MT_POSITION_X);
set_abs(hi->input, ABS_MT_POSITION_X, field,
cls->sn_move);
- /* touchscreen emulation */
- set_abs(hi->input, ABS_X, field, cls->sn_move);
mt_store_field(usage, td, hi);
td->last_field_index = field->index;
return 1;
@@ -363,8 +357,6 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
EV_ABS, ABS_MT_POSITION_Y);
set_abs(hi->input, ABS_MT_POSITION_Y, field,
cls->sn_move);
- /* touchscreen emulation */
- set_abs(hi->input, ABS_Y, field, cls->sn_move);
mt_store_field(usage, td, hi);
td->last_field_index = field->index;
return 1;
@@ -388,9 +380,6 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
td->last_field_index = field->index;
return 1;
case HID_DG_CONTACTID:
- if (!td->maxcontacts)
- td->maxcontacts = MT_DEFAULT_MAXCONTACT;
- input_mt_init_slots(hi->input, td->maxcontacts);
mt_store_field(usage, td, hi);
td->last_field_index = field->index;
td->touches_by_report++;
@@ -398,18 +387,21 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
case HID_DG_WIDTH:
hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_TOUCH_MAJOR);
- set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
- cls->sn_width);
+ if (!(cls->quirks & MT_QUIRK_NO_AREA))
+ set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
+ cls->sn_width);
mt_store_field(usage, td, hi);
td->last_field_index = field->index;
return 1;
case HID_DG_HEIGHT:
hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_TOUCH_MINOR);
- set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
- cls->sn_height);
- input_set_abs_params(hi->input,
+ if (!(cls->quirks & MT_QUIRK_NO_AREA)) {
+ set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
+ cls->sn_height);
+ input_set_abs_params(hi->input,
ABS_MT_ORIENTATION, 0, 1, 0, 0);
+ }
mt_store_field(usage, td, hi);
td->last_field_index = field->index;
return 1;
@@ -418,9 +410,6 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
EV_ABS, ABS_MT_PRESSURE);
set_abs(hi->input, ABS_MT_PRESSURE, field,
cls->sn_pressure);
- /* touchscreen emulation */
- set_abs(hi->input, ABS_PRESSURE, field,
- cls->sn_pressure);
mt_store_field(usage, td, hi);
td->last_field_index = field->index;
return 1;
@@ -464,7 +453,7 @@ static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
return -1;
}
-static int mt_compute_slot(struct mt_device *td)
+static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
{
__s32 quirks = td->mtclass.quirks;
@@ -480,42 +469,23 @@ static int mt_compute_slot(struct mt_device *td)
if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
return td->curdata.contactid - 1;
- return find_slot_from_contactid(td);
+ return input_mt_get_slot_by_key(input, td->curdata.contactid);
}
/*
* this function is called when a whole contact has been processed,
* so that it can assign it to a slot and store the data there
*/
-static void mt_complete_slot(struct mt_device *td)
+static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
{
- td->curdata.seen_in_this_frame = true;
if (td->curvalid) {
- int slotnum = mt_compute_slot(td);
-
- if (slotnum >= 0 && slotnum < td->maxcontacts)
- td->slots[slotnum] = td->curdata;
- }
- td->num_received++;
-}
+ int slotnum = mt_compute_slot(td, input);
+ struct mt_slot *s = &td->curdata;
+ if (slotnum < 0 || slotnum >= td->maxcontacts)
+ return;
-/*
- * this function is called when a whole packet has been received and processed,
- * so that it can decide what to send to the input layer.
- */
-static void mt_emit_event(struct mt_device *td, struct input_dev *input)
-{
- int i;
-
- for (i = 0; i < td->maxcontacts; ++i) {
- struct mt_slot *s = &(td->slots[i]);
- if ((td->mtclass.quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) &&
- !s->seen_in_this_frame) {
- s->touch_state = false;
- }
-
- input_mt_slot(input, i);
+ input_mt_slot(input, slotnum);
input_mt_report_slot_state(input, MT_TOOL_FINGER,
s->touch_state);
if (s->touch_state) {
@@ -532,24 +502,29 @@ static void mt_emit_event(struct mt_device *td, struct input_dev *input)
input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
}
- s->seen_in_this_frame = false;
-
}
- input_mt_report_pointer_emulation(input, true);
+ td->num_received++;
+}
+
+/*
+ * this function is called when a whole packet has been received and processed,
+ * so that it can decide what to send to the input layer.
+ */
+static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
+{
+ input_mt_sync_frame(input);
input_sync(input);
td->num_received = 0;
}
-
-
static int mt_event(struct hid_device *hid, struct hid_field *field,
struct hid_usage *usage, __s32 value)
{
struct mt_device *td = hid_get_drvdata(hid);
__s32 quirks = td->mtclass.quirks;
- if (hid->claimed & HID_CLAIMED_INPUT && td->slots) {
+ if (hid->claimed & HID_CLAIMED_INPUT) {
switch (usage->hid) {
case HID_DG_INRANGE:
if (quirks & MT_QUIRK_ALWAYS_VALID)
@@ -602,11 +577,11 @@ static int mt_event(struct hid_device *hid, struct hid_field *field,
}
if (usage->hid == td->last_slot_field)
- mt_complete_slot(td);
+ mt_complete_slot(td, field->hidinput->input);
if (field->index == td->last_field_index
&& td->num_received >= td->num_expected)
- mt_emit_event(td, field->hidinput->input);
+ mt_sync_frame(td, field->hidinput->input);
}
@@ -685,18 +660,45 @@ static void mt_post_parse(struct mt_device *td)
}
}
+static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
+
+{
+ struct mt_device *td = hid_get_drvdata(hdev);
+ struct mt_class *cls = &td->mtclass;
+ struct input_dev *input = hi->input;
+
+ /* Only initialize slots for MT input devices */
+ if (!test_bit(ABS_MT_POSITION_X, input->absbit))
+ return;
+
+ if (!td->maxcontacts)
+ td->maxcontacts = MT_DEFAULT_MAXCONTACT;
+
+ mt_post_parse(td);
+ if (td->serial_maybe)
+ mt_post_parse_default_settings(td);
+
+ if (cls->is_indirect)
+ td->mt_flags |= INPUT_MT_POINTER;
+
+ if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
+ td->mt_flags |= INPUT_MT_DROP_UNUSED;
+
+ input_mt_init_slots(input, td->maxcontacts, td->mt_flags);
+
+ td->mt_flags = 0;
+}
+
static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret, i;
struct mt_device *td;
struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
- if (id) {
- for (i = 0; mt_classes[i].name ; i++) {
- if (id->driver_data == mt_classes[i].name) {
- mtclass = &(mt_classes[i]);
- break;
- }
+ for (i = 0; mt_classes[i].name ; i++) {
+ if (id->driver_data == mt_classes[i].name) {
+ mtclass = &(mt_classes[i]);
+ break;
}
}
@@ -722,6 +724,9 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
goto fail;
}
+ if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
+ td->serial_maybe = true;
+
ret = hid_parse(hdev);
if (ret != 0)
goto fail;
@@ -730,20 +735,6 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (ret)
goto fail;
- mt_post_parse(td);
-
- if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
- mt_post_parse_default_settings(td);
-
- td->slots = kzalloc(td->maxcontacts * sizeof(struct mt_slot),
- GFP_KERNEL);
- if (!td->slots) {
- dev_err(&hdev->dev, "cannot allocate multitouch slots\n");
- hid_hw_stop(hdev);
- ret = -ENOMEM;
- goto fail;
- }
-
ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
mt_set_maxcontacts(hdev);
@@ -767,6 +758,32 @@ static int mt_reset_resume(struct hid_device *hdev)
mt_set_input_mode(hdev);
return 0;
}
+
+static int mt_resume(struct hid_device *hdev)
+{
+ struct usb_interface *intf;
+ struct usb_host_interface *interface;
+ struct usb_device *dev;
+
+ if (hdev->bus != BUS_USB)
+ return 0;
+
+ intf = to_usb_interface(hdev->dev.parent);
+ interface = intf->cur_altsetting;
+ dev = hid_to_usb_dev(hdev);
+
+ /* Some Elan legacy devices require SET_IDLE to be set on resume.
+ * It should be safe to send it to other devices too.
+ * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
+
+ usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
+ HID_REQ_SET_IDLE,
+ USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+ 0, interface->desc.bInterfaceNumber,
+ NULL, 0, USB_CTRL_SET_TIMEOUT);
+
+ return 0;
+}
#endif
static void mt_remove(struct hid_device *hdev)
@@ -774,7 +791,6 @@ static void mt_remove(struct hid_device *hdev)
struct mt_device *td = hid_get_drvdata(hdev);
sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
hid_hw_stop(hdev);
- kfree(td->slots);
kfree(td);
hid_set_drvdata(hdev, NULL);
}
@@ -885,17 +901,37 @@ static const struct hid_device_id mt_devices[] = {
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
{ .driver_data = MT_CLS_EGALAX_SERIAL,
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
+ USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) },
+ { .driver_data = MT_CLS_EGALAX_SERIAL,
+ MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
+ { .driver_data = MT_CLS_EGALAX,
+ HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
+ USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
+ { .driver_data = MT_CLS_EGALAX,
+ HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
+ USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) },
+ { .driver_data = MT_CLS_EGALAX,
+ HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
+ USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
/* Elo TouchSystems IntelliTouch Plus panel */
{ .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
MT_USB_DEVICE(USB_VENDOR_ID_ELO,
USB_DEVICE_ID_ELO_TS2515) },
+ /* Flatfrog Panels */
+ { .driver_data = MT_CLS_FLATFROG,
+ MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG,
+ USB_DEVICE_ID_MULTITOUCH_3200) },
+
/* GeneralTouch panel */
- { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
+ { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
+ { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
+ MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
+ USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },
/* Gametel game controller */
{ .driver_data = MT_CLS_DEFAULT,
@@ -1087,11 +1123,13 @@ static struct hid_driver mt_driver = {
.remove = mt_remove,
.input_mapping = mt_input_mapping,
.input_mapped = mt_input_mapped,
+ .input_configured = mt_input_configured,
.feature_mapping = mt_feature_mapping,
.usage_table = mt_grabbed_usages,
.event = mt_event,
#ifdef CONFIG_PM
.reset_resume = mt_reset_resume,
+ .resume = mt_resume,
#endif
};
diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c
index 9fae2ebdd75..86a969f6329 100644
--- a/drivers/hid/hid-ntrig.c
+++ b/drivers/hid/hid-ntrig.c
@@ -882,10 +882,10 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
nd->activate_slack = activate_slack;
nd->act_state = activate_slack;
nd->deactivate_slack = -deactivate_slack;
- nd->sensor_logical_width = 0;
- nd->sensor_logical_height = 0;
- nd->sensor_physical_width = 0;
- nd->sensor_physical_height = 0;
+ nd->sensor_logical_width = 1;
+ nd->sensor_logical_height = 1;
+ nd->sensor_physical_width = 1;
+ nd->sensor_physical_height = 1;
hid_set_drvdata(hdev, nd);
diff --git a/drivers/hid/hid-petalynx.c b/drivers/hid/hid-petalynx.c
index f1ea3ff8a98..4c521de4e7e 100644
--- a/drivers/hid/hid-petalynx.c
+++ b/drivers/hid/hid-petalynx.c
@@ -5,7 +5,6 @@
* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
* Copyright (c) 2006-2007 Jiri Kosina
- * Copyright (c) 2007 Paul Walmsley
* Copyright (c) 2008 Jiri Slaby
*/
diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
deleted file mode 100644
index 27c8ebdfad0..00000000000
--- a/drivers/hid/hid-picolcd.c
+++ /dev/null
@@ -1,2748 +0,0 @@
-/***************************************************************************
- * Copyright (C) 2010 by Bruno Prémont <bonbons@linux-vserver.org> *
- * *
- * Based on Logitech G13 driver (v0.4) *
- * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> *
- * *
- * This program is free software: you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation, version 2 of the License. *
- * *
- * This driver is distributed in the hope that it will be useful, but *
- * WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
- * General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this software. If not see <http://www.gnu.org/licenses/>. *
- ***************************************************************************/
-
-#include <linux/hid.h>
-#include <linux/hid-debug.h>
-#include <linux/input.h>
-#include "hid-ids.h"
-#include "usbhid/usbhid.h"
-#include <linux/usb.h>
-
-#include <linux/fb.h>
-#include <linux/vmalloc.h>
-#include <linux/backlight.h>
-#include <linux/lcd.h>
-
-#include <linux/leds.h>
-
-#include <linux/seq_file.h>
-#include <linux/debugfs.h>
-
-#include <linux/completion.h>
-#include <linux/uaccess.h>
-#include <linux/module.h>
-
-#define PICOLCD_NAME "PicoLCD (graphic)"
-
-/* Report numbers */
-#define REPORT_ERROR_CODE 0x10 /* LCD: IN[16] */
-#define ERR_SUCCESS 0x00
-#define ERR_PARAMETER_MISSING 0x01
-#define ERR_DATA_MISSING 0x02
-#define ERR_BLOCK_READ_ONLY 0x03
-#define ERR_BLOCK_NOT_ERASABLE 0x04
-#define ERR_BLOCK_TOO_BIG 0x05
-#define ERR_SECTION_OVERFLOW 0x06
-#define ERR_INVALID_CMD_LEN 0x07
-#define ERR_INVALID_DATA_LEN 0x08
-#define REPORT_KEY_STATE 0x11 /* LCD: IN[2] */
-#define REPORT_IR_DATA 0x21 /* LCD: IN[63] */
-#define REPORT_EE_DATA 0x32 /* LCD: IN[63] */
-#define REPORT_MEMORY 0x41 /* LCD: IN[63] */
-#define REPORT_LED_STATE 0x81 /* LCD: OUT[1] */
-#define REPORT_BRIGHTNESS 0x91 /* LCD: OUT[1] */
-#define REPORT_CONTRAST 0x92 /* LCD: OUT[1] */
-#define REPORT_RESET 0x93 /* LCD: OUT[2] */
-#define REPORT_LCD_CMD 0x94 /* LCD: OUT[63] */
-#define REPORT_LCD_DATA 0x95 /* LCD: OUT[63] */
-#define REPORT_LCD_CMD_DATA 0x96 /* LCD: OUT[63] */
-#define REPORT_EE_READ 0xa3 /* LCD: OUT[63] */
-#define REPORT_EE_WRITE 0xa4 /* LCD: OUT[63] */
-#define REPORT_ERASE_MEMORY 0xb2 /* LCD: OUT[2] */
-#define REPORT_READ_MEMORY 0xb3 /* LCD: OUT[3] */
-#define REPORT_WRITE_MEMORY 0xb4 /* LCD: OUT[63] */
-#define REPORT_SPLASH_RESTART 0xc1 /* LCD: OUT[1] */
-#define REPORT_EXIT_KEYBOARD 0xef /* LCD: OUT[2] */
-#define REPORT_VERSION 0xf1 /* LCD: IN[2],OUT[1] Bootloader: IN[2],OUT[1] */
-#define REPORT_BL_ERASE_MEMORY 0xf2 /* Bootloader: IN[36],OUT[4] */
-#define REPORT_BL_READ_MEMORY 0xf3 /* Bootloader: IN[36],OUT[4] */
-#define REPORT_BL_WRITE_MEMORY 0xf4 /* Bootloader: IN[36],OUT[36] */
-#define REPORT_DEVID 0xf5 /* LCD: IN[5], OUT[1] Bootloader: IN[5],OUT[1] */
-#define REPORT_SPLASH_SIZE 0xf6 /* LCD: IN[4], OUT[1] */
-#define REPORT_HOOK_VERSION 0xf7 /* LCD: IN[2], OUT[1] */
-#define REPORT_EXIT_FLASHER 0xff /* Bootloader: OUT[2] */
-
-#ifdef CONFIG_HID_PICOLCD_FB
-/* Framebuffer
- *
- * The PicoLCD use a Topway LCD module of 256x64 pixel
- * This display area is tiled over 4 controllers with 8 tiles
- * each. Each tile has 8x64 pixel, each data byte representing
- * a 1-bit wide vertical line of the tile.
- *
- * The display can be updated at a tile granularity.
- *
- * Chip 1 Chip 2 Chip 3 Chip 4
- * +----------------+----------------+----------------+----------------+
- * | Tile 1 | Tile 1 | Tile 1 | Tile 1 |
- * +----------------+----------------+----------------+----------------+
- * | Tile 2 | Tile 2 | Tile 2 | Tile 2 |
- * +----------------+----------------+----------------+----------------+
- * ...
- * +----------------+----------------+----------------+----------------+
- * | Tile 8 | Tile 8 | Tile 8 | Tile 8 |
- * +----------------+----------------+----------------+----------------+
- */
-#define PICOLCDFB_NAME "picolcdfb"
-#define PICOLCDFB_WIDTH (256)
-#define PICOLCDFB_HEIGHT (64)
-#define PICOLCDFB_SIZE (PICOLCDFB_WIDTH * PICOLCDFB_HEIGHT / 8)
-
-#define PICOLCDFB_UPDATE_RATE_LIMIT 10
-#define PICOLCDFB_UPDATE_RATE_DEFAULT 2
-
-/* Framebuffer visual structures */
-static const struct fb_fix_screeninfo picolcdfb_fix = {
- .id = PICOLCDFB_NAME,
- .type = FB_TYPE_PACKED_PIXELS,
- .visual = FB_VISUAL_MONO01,
- .xpanstep = 0,
- .ypanstep = 0,
- .ywrapstep = 0,
- .line_length = PICOLCDFB_WIDTH / 8,
- .accel = FB_ACCEL_NONE,
-};
-
-static const struct fb_var_screeninfo picolcdfb_var = {
- .xres = PICOLCDFB_WIDTH,
- .yres = PICOLCDFB_HEIGHT,
- .xres_virtual = PICOLCDFB_WIDTH,
- .yres_virtual = PICOLCDFB_HEIGHT,
- .width = 103,
- .height = 26,
- .bits_per_pixel = 1,
- .grayscale = 1,
- .red = {
- .offset = 0,
- .length = 1,
- .msb_right = 0,
- },
- .green = {
- .offset = 0,
- .length = 1,
- .msb_right = 0,
- },
- .blue = {
- .offset = 0,
- .length = 1,
- .msb_right = 0,
- },
- .transp = {
- .offset = 0,
- .length = 0,
- .msb_right = 0,
- },
-};
-#endif /* CONFIG_HID_PICOLCD_FB */
-
-/* Input device
- *
- * The PicoLCD has an IR receiver header, a built-in keypad with 5 keys
- * and header for 4x4 key matrix. The built-in keys are part of the matrix.
- */
-static const unsigned short def_keymap[] = {
- KEY_RESERVED, /* none */
- KEY_BACK, /* col 4 + row 1 */
- KEY_HOMEPAGE, /* col 3 + row 1 */
- KEY_RESERVED, /* col 2 + row 1 */
- KEY_RESERVED, /* col 1 + row 1 */
- KEY_SCROLLUP, /* col 4 + row 2 */
- KEY_OK, /* col 3 + row 2 */
- KEY_SCROLLDOWN, /* col 2 + row 2 */
- KEY_RESERVED, /* col 1 + row 2 */
- KEY_RESERVED, /* col 4 + row 3 */
- KEY_RESERVED, /* col 3 + row 3 */
- KEY_RESERVED, /* col 2 + row 3 */
- KEY_RESERVED, /* col 1 + row 3 */
- KEY_RESERVED, /* col 4 + row 4 */
- KEY_RESERVED, /* col 3 + row 4 */
- KEY_RESERVED, /* col 2 + row 4 */
- KEY_RESERVED, /* col 1 + row 4 */
-};
-#define PICOLCD_KEYS ARRAY_SIZE(def_keymap)
-
-/* Description of in-progress IO operation, used for operations
- * that trigger response from device */
-struct picolcd_pending {
- struct hid_report *out_report;
- struct hid_report *in_report;
- struct completion ready;
- int raw_size;
- u8 raw_data[64];
-};
-
-/* Per device data structure */
-struct picolcd_data {
- struct hid_device *hdev;
-#ifdef CONFIG_DEBUG_FS
- struct dentry *debug_reset;
- struct dentry *debug_eeprom;
- struct dentry *debug_flash;
- struct mutex mutex_flash;
- int addr_sz;
-#endif
- u8 version[2];
- unsigned short opmode_delay;
- /* input stuff */
- u8 pressed_keys[2];
- struct input_dev *input_keys;
- struct input_dev *input_cir;
- unsigned short keycode[PICOLCD_KEYS];
-
-#ifdef CONFIG_HID_PICOLCD_FB
- /* Framebuffer stuff */
- u8 fb_update_rate;
- u8 fb_bpp;
- u8 fb_force;
- u8 *fb_vbitmap; /* local copy of what was sent to PicoLCD */
- u8 *fb_bitmap; /* framebuffer */
- struct fb_info *fb_info;
- struct fb_deferred_io fb_defio;
-#endif /* CONFIG_HID_PICOLCD_FB */
-#ifdef CONFIG_HID_PICOLCD_LCD
- struct lcd_device *lcd;
- u8 lcd_contrast;
-#endif /* CONFIG_HID_PICOLCD_LCD */
-#ifdef CONFIG_HID_PICOLCD_BACKLIGHT
- struct backlight_device *backlight;
- u8 lcd_brightness;
- u8 lcd_power;
-#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */
-#ifdef CONFIG_HID_PICOLCD_LEDS
- /* LED stuff */
- u8 led_state;
- struct led_classdev *led[8];
-#endif /* CONFIG_HID_PICOLCD_LEDS */
-
- /* Housekeeping stuff */
- spinlock_t lock;
- struct mutex mutex;
- struct picolcd_pending *pending;
- int status;
-#define PICOLCD_BOOTLOADER 1
-#define PICOLCD_FAILED 2
-#define PICOLCD_READY_FB 4
-};
-
-
-/* Find a given report */
-#define picolcd_in_report(id, dev) picolcd_report(id, dev, HID_INPUT_REPORT)
-#define picolcd_out_report(id, dev) picolcd_report(id, dev, HID_OUTPUT_REPORT)
-
-static struct hid_report *picolcd_report(int id, struct hid_device *hdev, int dir)
-{
- struct list_head *feature_report_list = &hdev->report_enum[dir].report_list;
- struct hid_report *report = NULL;
-
- list_for_each_entry(report, feature_report_list, list) {
- if (report->id == id)
- return report;
- }
- hid_warn(hdev, "No report with id 0x%x found\n", id);
- return NULL;
-}
-
-#ifdef CONFIG_DEBUG_FS
-static void picolcd_debug_out_report(struct picolcd_data *data,
- struct hid_device *hdev, struct hid_report *report);
-#define usbhid_submit_report(a, b, c) \
- do { \
- picolcd_debug_out_report(hid_get_drvdata(a), a, b); \
- usbhid_submit_report(a, b, c); \
- } while (0)
-#endif
-
-/* Submit a report and wait for a reply from device - if device fades away
- * or does not respond in time, return NULL */
-static struct picolcd_pending *picolcd_send_and_wait(struct hid_device *hdev,
- int report_id, const u8 *raw_data, int size)
-{
- struct picolcd_data *data = hid_get_drvdata(hdev);
- struct picolcd_pending *work;
- struct hid_report *report = picolcd_out_report(report_id, hdev);
- unsigned long flags;
- int i, j, k;
-
- if (!report || !data)
- return NULL;
- if (data->status & PICOLCD_FAILED)
- return NULL;
- work = kzalloc(sizeof(*work), GFP_KERNEL);
- if (!work)
- return NULL;
-
- init_completion(&work->ready);
- work->out_report = report;
- work->in_report = NULL;
- work->raw_size = 0;
-
- mutex_lock(&data->mutex);
- spin_lock_irqsave(&data->lock, flags);
- for (i = k = 0; i < report->maxfield; i++)
- for (j = 0; j < report->field[i]->report_count; j++) {
- hid_set_field(report->field[i], j, k < size ? raw_data[k] : 0);
- k++;
- }
- data->pending = work;
- usbhid_submit_report(data->hdev, report, USB_DIR_OUT);
- spin_unlock_irqrestore(&data->lock, flags);
- wait_for_completion_interruptible_timeout(&work->ready, HZ*2);
- spin_lock_irqsave(&data->lock, flags);
- data->pending = NULL;
- spin_unlock_irqrestore(&data->lock, flags);
- mutex_unlock(&data->mutex);
- return work;
-}
-
-#ifdef CONFIG_HID_PICOLCD_FB
-/* Send a given tile to PicoLCD */
-static int picolcd_fb_send_tile(struct hid_device *hdev, int chip, int tile)
-{
- struct picolcd_data *data = hid_get_drvdata(hdev);
- struct hid_report *report1 = picolcd_out_report(REPORT_LCD_CMD_DATA, hdev);
- struct hid_report *report2 = picolcd_out_report(REPORT_LCD_DATA, hdev);
- unsigned long flags;
- u8 *tdata;
- int i;
-
- if (!report1 || report1->maxfield != 1 || !report2 || report2->maxfield != 1)
- return -ENODEV;
-
- spin_lock_irqsave(&data->lock, flags);
- hid_set_field(report1->field[0], 0, chip << 2);
- hid_set_field(report1->field[0], 1, 0x02);
- hid_set_field(report1->field[0], 2, 0x00);
- hid_set_field(report1->field[0], 3, 0x00);
- hid_set_field(report1->field[0], 4, 0xb8 | tile);
- hid_set_field(report1->field[0], 5, 0x00);
- hid_set_field(report1->field[0], 6, 0x00);
- hid_set_field(report1->field[0], 7, 0x40);
- hid_set_field(report1->field[0], 8, 0x00);
- hid_set_field(report1->field[0], 9, 0x00);
- hid_set_field(report1->field[0], 10, 32);
-
- hid_set_field(report2->field[0], 0, (chip << 2) | 0x01);
- hid_set_field(report2->field[0], 1, 0x00);
- hid_set_field(report2->field[0], 2, 0x00);
- hid_set_field(report2->field[0], 3, 32);
-
- tdata = data->fb_vbitmap + (tile * 4 + chip) * 64;
- for (i = 0; i < 64; i++)
- if (i < 32)
- hid_set_field(report1->field[0], 11 + i, tdata[i]);
- else
- hid_set_field(report2->field[0], 4 + i - 32, tdata[i]);
-
- usbhid_submit_report(data->hdev, report1, USB_DIR_OUT);
- usbhid_submit_report(data->hdev, report2, USB_DIR_OUT);
- spin_unlock_irqrestore(&data->lock, flags);
- return 0;
-}
-
-/* Translate a single tile*/
-static int picolcd_fb_update_tile(u8 *vbitmap, const u8 *bitmap, int bpp,
- int chip, int tile)
-{
- int i, b, changed = 0;
- u8 tdata[64];
- u8 *vdata = vbitmap + (tile * 4 + chip) * 64;
-
- if (bpp == 1) {
- for (b = 7; b >= 0; b--) {
- const u8 *bdata = bitmap + tile * 256 + chip * 8 + b * 32;
- for (i = 0; i < 64; i++) {
- tdata[i] <<= 1;
- tdata[i] |= (bdata[i/8] >> (i % 8)) & 0x01;
- }
- }
- } else if (bpp == 8) {
- for (b = 7; b >= 0; b--) {
- const u8 *bdata = bitmap + (tile * 256 + chip * 8 + b * 32) * 8;
- for (i = 0; i < 64; i++) {
- tdata[i] <<= 1;
- tdata[i] |= (bdata[i] & 0x80) ? 0x01 : 0x00;
- }
- }
- } else {
- /* Oops, we should never get here! */
- WARN_ON(1);
- return 0;
- }
-
- for (i = 0; i < 64; i++)
- if (tdata[i] != vdata[i]) {
- changed = 1;
- vdata[i] = tdata[i];
- }
- return changed;
-}
-
-/* Reconfigure LCD display */
-static int picolcd_fb_reset(struct picolcd_data *data, int clear)
-{
- struct hid_report *report = picolcd_out_report(REPORT_LCD_CMD, data->hdev);
- int i, j;
- unsigned long flags;
- static const u8 mapcmd[8] = { 0x00, 0x02, 0x00, 0x64, 0x3f, 0x00, 0x64, 0xc0 };
-
- if (!report || report->maxfield != 1)
- return -ENODEV;
-
- spin_lock_irqsave(&data->lock, flags);
- for (i = 0; i < 4; i++) {
- for (j = 0; j < report->field[0]->maxusage; j++)
- if (j == 0)
- hid_set_field(report->field[0], j, i << 2);
- else if (j < sizeof(mapcmd))
- hid_set_field(report->field[0], j, mapcmd[j]);
- else
- hid_set_field(report->field[0], j, 0);
- usbhid_submit_report(data->hdev, report, USB_DIR_OUT);
- }
-
- data->status |= PICOLCD_READY_FB;
- spin_unlock_irqrestore(&data->lock, flags);
-
- if (data->fb_bitmap) {
- if (clear) {
- memset(data->fb_vbitmap, 0, PICOLCDFB_SIZE);
- memset(data->fb_bitmap, 0, PICOLCDFB_SIZE*data->fb_bpp);
- }
- data->fb_force = 1;
- }
-
- /* schedule first output of framebuffer */
- if (data->fb_info)
- schedule_delayed_work(&data->fb_info->deferred_work, 0);
-
- return 0;
-}
-
-/* Update fb_vbitmap from the screen_base and send changed tiles to device */
-static void picolcd_fb_update(struct picolcd_data *data)
-{
- int chip, tile, n;
- unsigned long flags;
-
- if (!data)
- return;
-
- spin_lock_irqsave(&data->lock, flags);
- if (!(data->status & PICOLCD_READY_FB)) {
- spin_unlock_irqrestore(&data->lock, flags);
- picolcd_fb_reset(data, 0);
- } else {
- spin_unlock_irqrestore(&data->lock, flags);
- }
-
- /*
- * Translate the framebuffer into the format needed by the PicoLCD.
- * See display layout above.
- * Do this one tile after the other and push those tiles that changed.
- *
- * Wait for our IO to complete as otherwise we might flood the queue!
- */
- n = 0;
- for (chip = 0; chip < 4; chip++)
- for (tile = 0; tile < 8; tile++)
- if (picolcd_fb_update_tile(data->fb_vbitmap,
- data->fb_bitmap, data->fb_bpp, chip, tile) ||
- data->fb_force) {
- n += 2;
- if (!data->fb_info->par)
- return; /* device lost! */
- if (n >= HID_OUTPUT_FIFO_SIZE / 2) {
- usbhid_wait_io(data->hdev);
- n = 0;
- }
- picolcd_fb_send_tile(data->hdev, chip, tile);
- }
- data->fb_force = false;
- if (n)
- usbhid_wait_io(data->hdev);
-}
-
-/* Stub to call the system default and update the image on the picoLCD */
-static void picolcd_fb_fillrect(struct fb_info *info,
- const struct fb_fillrect *rect)
-{
- if (!info->par)
- return;
- sys_fillrect(info, rect);
-
- schedule_delayed_work(&info->deferred_work, 0);
-}
-
-/* Stub to call the system default and update the image on the picoLCD */
-static void picolcd_fb_copyarea(struct fb_info *info,
- const struct fb_copyarea *area)
-{
- if (!info->par)
- return;
- sys_copyarea(info, area);
-
- schedule_delayed_work(&info->deferred_work, 0);
-}
-
-/* Stub to call the system default and update the image on the picoLCD */
-static void picolcd_fb_imageblit(struct fb_info *info, const struct fb_image *image)
-{
- if (!info->par)
- return;
- sys_imageblit(info, image);
-
- schedule_delayed_work(&info->deferred_work, 0);
-}
-
-/*
- * this is the slow path from userspace. they can seek and write to
- * the fb. it's inefficient to do anything less than a full screen draw
- */
-static ssize_t picolcd_fb_write(struct fb_info *info, const char __user *buf,
- size_t count, loff_t *ppos)
-{
- ssize_t ret;
- if (!info->par)
- return -ENODEV;
- ret = fb_sys_write(info, buf, count, ppos);
- if (ret >= 0)
- schedule_delayed_work(&info->deferred_work, 0);
- return ret;
-}
-
-static int picolcd_fb_blank(int blank, struct fb_info *info)
-{
- if (!info->par)
- return -ENODEV;
- /* We let fb notification do this for us via lcd/backlight device */
- return 0;
-}
-
-static void picolcd_fb_destroy(struct fb_info *info)
-{
- struct picolcd_data *data = info->par;
- u32 *ref_cnt = info->pseudo_palette;
- int may_release;
-
- info->par = NULL;
- if (data)
- data->fb_info = NULL;
- fb_deferred_io_cleanup(info);
-
- ref_cnt--;
- mutex_lock(&info->lock);
- (*ref_cnt)--;
- may_release = !*ref_cnt;
- mutex_unlock(&info->lock);
- if (may_release) {
- vfree((u8 *)info->fix.smem_start);
- framebuffer_release(info);
- }
-}
-
-static int picolcd_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
-{
- __u32 bpp = var->bits_per_pixel;
- __u32 activate = var->activate;
-
- /* only allow 1/8 bit depth (8-bit is grayscale) */
- *var = picolcdfb_var;
- var->activate = activate;
- if (bpp >= 8) {
- var->bits_per_pixel = 8;
- var->red.length = 8;
- var->green.length = 8;
- var->blue.length = 8;
- } else {
- var->bits_per_pixel = 1;
- var->red.length = 1;
- var->green.length = 1;
- var->blue.length = 1;
- }
- return 0;
-}
-
-static int picolcd_set_par(struct fb_info *info)
-{
- struct picolcd_data *data = info->par;
- u8 *tmp_fb, *o_fb;
- if (!data)
- return -ENODEV;
- if (info->var.bits_per_pixel == data->fb_bpp)
- return 0;
- /* switch between 1/8 bit depths */
- if (info->var.bits_per_pixel != 1 && info->var.bits_per_pixel != 8)
- return -EINVAL;
-
- o_fb = data->fb_bitmap;
- tmp_fb = kmalloc(PICOLCDFB_SIZE*info->var.bits_per_pixel, GFP_KERNEL);
- if (!tmp_fb)
- return -ENOMEM;
-
- /* translate FB content to new bits-per-pixel */
- if (info->var.bits_per_pixel == 1) {
- int i, b;
- for (i = 0; i < PICOLCDFB_SIZE; i++) {
- u8 p = 0;
- for (b = 0; b < 8; b++) {
- p <<= 1;
- p |= o_fb[i*8+b] ? 0x01 : 0x00;
- }
- tmp_fb[i] = p;
- }
- memcpy(o_fb, tmp_fb, PICOLCDFB_SIZE);
- info->fix.visual = FB_VISUAL_MONO01;
- info->fix.line_length = PICOLCDFB_WIDTH / 8;
- } else {
- int i;
- memcpy(tmp_fb, o_fb, PICOLCDFB_SIZE);
- for (i = 0; i < PICOLCDFB_SIZE * 8; i++)
- o_fb[i] = tmp_fb[i/8] & (0x01 << (7 - i % 8)) ? 0xff : 0x00;
- info->fix.visual = FB_VISUAL_DIRECTCOLOR;
- info->fix.line_length = PICOLCDFB_WIDTH;
- }
-
- kfree(tmp_fb);
- data->fb_bpp = info->var.bits_per_pixel;
- return 0;
-}
-
-/* Do refcounting on our FB and cleanup per worker if FB is
- * closed after unplug of our device
- * (fb_release holds info->lock and still touches info after
- * we return so we can't release it immediately.
- */
-struct picolcd_fb_cleanup_item {
- struct fb_info *info;
- struct picolcd_fb_cleanup_item *next;
-};
-static struct picolcd_fb_cleanup_item *fb_pending;
-static DEFINE_SPINLOCK(fb_pending_lock);
-
-static void picolcd_fb_do_cleanup(struct work_struct *data)
-{
- struct picolcd_fb_cleanup_item *item;
- unsigned long flags;
-
- do {
- spin_lock_irqsave(&fb_pending_lock, flags);
- item = fb_pending;
- fb_pending = item ? item->next : NULL;
- spin_unlock_irqrestore(&fb_pending_lock, flags);
-
- if (item) {
- u8 *fb = (u8 *)item->info->fix.smem_start;
- /* make sure we do not race against fb core when
- * releasing */
- mutex_lock(&item->info->lock);
- mutex_unlock(&item->info->lock);
- framebuffer_release(item->info);
- vfree(fb);
- }
- } while (item);
-}
-
-static DECLARE_WORK(picolcd_fb_cleanup, picolcd_fb_do_cleanup);
-
-static int picolcd_fb_open(struct fb_info *info, int u)
-{
- u32 *ref_cnt = info->pseudo_palette;
- ref_cnt--;
-
- (*ref_cnt)++;
- return 0;
-}
-
-static int picolcd_fb_release(struct fb_info *info, int u)
-{
- u32 *ref_cnt = info->pseudo_palette;
- ref_cnt--;
-
- (*ref_cnt)++;
- if (!*ref_cnt) {
- unsigned long flags;
- struct picolcd_fb_cleanup_item *item = (struct picolcd_fb_cleanup_item *)ref_cnt;
- item--;
- spin_lock_irqsave(&fb_pending_lock, flags);
- item->next = fb_pending;
- fb_pending = item;
- spin_unlock_irqrestore(&fb_pending_lock, flags);
- schedule_work(&picolcd_fb_cleanup);
- }
- return 0;
-}
-
-/* Note this can't be const because of struct fb_info definition */
-static struct fb_ops picolcdfb_ops = {
- .owner = THIS_MODULE,
- .fb_destroy = picolcd_fb_destroy,
- .fb_open = picolcd_fb_open,
- .fb_release = picolcd_fb_release,
- .fb_read = fb_sys_read,
- .fb_write = picolcd_fb_write,
- .fb_blank = picolcd_fb_blank,
- .fb_fillrect = picolcd_fb_fillrect,
- .fb_copyarea = picolcd_fb_copyarea,
- .fb_imageblit = picolcd_fb_imageblit,
- .fb_check_var = picolcd_fb_check_var,
- .fb_set_par = picolcd_set_par,
-};
-
-
-/* Callback from deferred IO workqueue */
-static void picolcd_fb_deferred_io(struct fb_info *info, struct list_head *pagelist)
-{
- picolcd_fb_update(info->par);
-}
-
-static const struct fb_deferred_io picolcd_fb_defio = {
- .delay = HZ / PICOLCDFB_UPDATE_RATE_DEFAULT,
- .deferred_io = picolcd_fb_deferred_io,
-};
-
-
-/*
- * The "fb_update_rate" sysfs attribute
- */
-static ssize_t picolcd_fb_update_rate_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct picolcd_data *data = dev_get_drvdata(dev);
- unsigned i, fb_update_rate = data->fb_update_rate;
- size_t ret = 0;
-
- for (i = 1; i <= PICOLCDFB_UPDATE_RATE_LIMIT; i++)
- if (ret >= PAGE_SIZE)
- break;
- else if (i == fb_update_rate)
- ret += snprintf(buf+ret, PAGE_SIZE-ret, "[%u] ", i);
- else
- ret += snprintf(buf+ret, PAGE_SIZE-ret, "%u ", i);
- if (ret > 0)
- buf[min(ret, (size_t)PAGE_SIZE)-1] = '\n';
- return ret;
-}
-
-static ssize_t picolcd_fb_update_rate_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- struct picolcd_data *data = dev_get_drvdata(dev);
- int i;
- unsigned u;
-
- if (count < 1 || count > 10)
- return -EINVAL;
-
- i = sscanf(buf, "%u", &u);
- if (i != 1)
- return -EINVAL;
-
- if (u > PICOLCDFB_UPDATE_RATE_LIMIT)
- return -ERANGE;
- else if (u == 0)
- u = PICOLCDFB_UPDATE_RATE_DEFAULT;
-
- data->fb_update_rate = u;
- data->fb_defio.delay = HZ / data->fb_update_rate;
- return count;
-}
-
-static DEVICE_ATTR(fb_update_rate, 0666, picolcd_fb_update_rate_show,
- picolcd_fb_update_rate_store);
-
-/* initialize Framebuffer device */
-static int picolcd_init_framebuffer(struct picolcd_data *data)
-{
- struct device *dev = &data->hdev->dev;
- struct fb_info *info = NULL;
- int i, error = -ENOMEM;
- u8 *fb_vbitmap = NULL;
- u8 *fb_bitmap = NULL;
- u32 *palette;
-
- fb_bitmap = vmalloc(PICOLCDFB_SIZE*8);
- if (fb_bitmap == NULL) {
- dev_err(dev, "can't get a free page for framebuffer\n");
- goto err_nomem;
- }
-
- fb_vbitmap = kmalloc(PICOLCDFB_SIZE, GFP_KERNEL);
- if (fb_vbitmap == NULL) {
- dev_err(dev, "can't alloc vbitmap image buffer\n");
- goto err_nomem;
- }
-
- data->fb_update_rate = PICOLCDFB_UPDATE_RATE_DEFAULT;
- data->fb_defio = picolcd_fb_defio;
- /* The extra memory is:
- * - struct picolcd_fb_cleanup_item
- * - u32 for ref_count
- * - 256*u32 for pseudo_palette
- */
- info = framebuffer_alloc(257 * sizeof(u32) + sizeof(struct picolcd_fb_cleanup_item), dev);
- if (info == NULL) {
- dev_err(dev, "failed to allocate a framebuffer\n");
- goto err_nomem;
- }
-
- palette = info->par + sizeof(struct picolcd_fb_cleanup_item);
- *palette = 1;
- palette++;
- for (i = 0; i < 256; i++)
- palette[i] = i > 0 && i < 16 ? 0xff : 0;
- info->pseudo_palette = palette;
- info->fbdefio = &data->fb_defio;
- info->screen_base = (char __force __iomem *)fb_bitmap;
- info->fbops = &picolcdfb_ops;
- info->var = picolcdfb_var;
- info->fix = picolcdfb_fix;
- info->fix.smem_len = PICOLCDFB_SIZE*8;
- info->fix.smem_start = (unsigned long)fb_bitmap;
- info->par = data;
- info->flags = FBINFO_FLAG_DEFAULT;
-
- data->fb_vbitmap = fb_vbitmap;
- data->fb_bitmap = fb_bitmap;
- data->fb_bpp = picolcdfb_var.bits_per_pixel;
- error = picolcd_fb_reset(data, 1);
- if (error) {
- dev_err(dev, "failed to configure display\n");
- goto err_cleanup;
- }
- error = device_create_file(dev, &dev_attr_fb_update_rate);
- if (error) {
- dev_err(dev, "failed to create sysfs attributes\n");
- goto err_cleanup;
- }
- fb_deferred_io_init(info);
- data->fb_info = info;
- error = register_framebuffer(info);
- if (error) {
- dev_err(dev, "failed to register framebuffer\n");
- goto err_sysfs;
- }
- /* schedule first output of framebuffer */
- data->fb_force = 1;
- schedule_delayed_work(&info->deferred_work, 0);
- return 0;
-
-err_sysfs:
- fb_deferred_io_cleanup(info);
- device_remove_file(dev, &dev_attr_fb_update_rate);
-err_cleanup:
- data->fb_vbitmap = NULL;
- data->fb_bitmap = NULL;
- data->fb_bpp = 0;
- data->fb_info = NULL;
-
-err_nomem:
- framebuffer_release(info);
- vfree(fb_bitmap);
- kfree(fb_vbitmap);
- return error;
-}
-
-static void picolcd_exit_framebuffer(struct picolcd_data *data)
-{
- struct fb_info *info = data->fb_info;
- u8 *fb_vbitmap = data->fb_vbitmap;
-
- if (!info)
- return;
-
- info->par = NULL;
- device_remove_file(&data->hdev->dev, &dev_attr_fb_update_rate);
- unregister_framebuffer(info);
- data->fb_vbitmap = NULL;
- data->fb_bitmap = NULL;
- data->fb_bpp = 0;
- data->fb_info = NULL;
- kfree(fb_vbitmap);
-}
-
-#define picolcd_fbinfo(d) ((d)->fb_info)
-#else
-static inline int picolcd_fb_reset(struct picolcd_data *data, int clear)
-{
- return 0;
-}
-static inline int picolcd_init_framebuffer(struct picolcd_data *data)
-{
- return 0;
-}
-static inline void picolcd_exit_framebuffer(struct picolcd_data *data)
-{
-}
-#define picolcd_fbinfo(d) NULL
-#endif /* CONFIG_HID_PICOLCD_FB */
-
-#ifdef CONFIG_HID_PICOLCD_BACKLIGHT
-/*
- * backlight class device
- */
-static int picolcd_get_brightness(struct backlight_device *bdev)
-{
- struct picolcd_data *data = bl_get_data(bdev);
- return data->lcd_brightness;
-}
-
-static int picolcd_set_brightness(struct backlight_device *bdev)
-{
- struct picolcd_data *data = bl_get_data(bdev);
- struct hid_report *report = picolcd_out_report(REPORT_BRIGHTNESS, data->hdev);
- unsigned long flags;
-
- if (!report || report->maxfield != 1 || report->field[0]->report_count != 1)
- return -ENODEV;
-
- data->lcd_brightness = bdev->props.brightness & 0x0ff;
- data->lcd_power = bdev->props.power;
- spin_lock_irqsave(&data->lock, flags);
- hid_set_field(report->field[0], 0, data->lcd_power == FB_BLANK_UNBLANK ? data->lcd_brightness : 0);
- usbhid_submit_report(data->hdev, report, USB_DIR_OUT);
- spin_unlock_irqrestore(&data->lock, flags);
- return 0;
-}
-
-static int picolcd_check_bl_fb(struct backlight_device *bdev, struct fb_info *fb)
-{
- return fb && fb == picolcd_fbinfo((struct picolcd_data *)bl_get_data(bdev));
-}
-
-static const struct backlight_ops picolcd_blops = {
- .update_status = picolcd_set_brightness,
- .get_brightness = picolcd_get_brightness,
- .check_fb = picolcd_check_bl_fb,
-};
-
-static int picolcd_init_backlight(struct picolcd_data *data, struct hid_report *report)
-{
- struct device *dev = &data->hdev->dev;
- struct backlight_device *bdev;
- struct backlight_properties props;
- if (!report)
- return -ENODEV;
- if (report->maxfield != 1 || report->field[0]->report_count != 1 ||
- report->field[0]->report_size != 8) {
- dev_err(dev, "unsupported BRIGHTNESS report");
- return -EINVAL;
- }
-
- memset(&props, 0, sizeof(props));
- props.type = BACKLIGHT_RAW;
- props.max_brightness = 0xff;
- bdev = backlight_device_register(dev_name(dev), dev, data,
- &picolcd_blops, &props);
- if (IS_ERR(bdev)) {
- dev_err(dev, "failed to register backlight\n");
- return PTR_ERR(bdev);
- }
- bdev->props.brightness = 0xff;
- data->lcd_brightness = 0xff;
- data->backlight = bdev;
- picolcd_set_brightness(bdev);
- return 0;
-}
-
-static void picolcd_exit_backlight(struct picolcd_data *data)
-{
- struct backlight_device *bdev = data->backlight;
-
- data->backlight = NULL;
- if (bdev)
- backlight_device_unregister(bdev);
-}
-
-static inline int picolcd_resume_backlight(struct picolcd_data *data)
-{
- if (!data->backlight)
- return 0;
- return picolcd_set_brightness(data->backlight);
-}
-
-#ifdef CONFIG_PM
-static void picolcd_suspend_backlight(struct picolcd_data *data)
-{
- int bl_power = data->lcd_power;
- if (!data->backlight)
- return;
-
- data->backlight->props.power = FB_BLANK_POWERDOWN;
- picolcd_set_brightness(data->backlight);
- data->lcd_power = data->backlight->props.power = bl_power;
-}
-#endif /* CONFIG_PM */
-#else
-static inline int picolcd_init_backlight(struct picolcd_data *data,
- struct hid_report *report)
-{
- return 0;
-}
-static inline void picolcd_exit_backlight(struct picolcd_data *data)
-{
-}
-static inline int picolcd_resume_backlight(struct picolcd_data *data)
-{
- return 0;
-}
-static inline void picolcd_suspend_backlight(struct picolcd_data *data)
-{
-}
-#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */
-
-#ifdef CONFIG_HID_PICOLCD_LCD
-/*
- * lcd class device
- */
-static int picolcd_get_contrast(struct lcd_device *ldev)
-{
- struct picolcd_data *data = lcd_get_data(ldev);
- return data->lcd_contrast;
-}
-
-static int picolcd_set_contrast(struct lcd_device *ldev, int contrast)
-{
- struct picolcd_data *data = lcd_get_data(ldev);
- struct hid_report *report = picolcd_out_report(REPORT_CONTRAST, data->hdev);
- unsigned long flags;
-
- if (!report || report->maxfield != 1 || report->field[0]->report_count != 1)
- return -ENODEV;
-
- data->lcd_contrast = contrast & 0x0ff;
- spin_lock_irqsave(&data->lock, flags);
- hid_set_field(report->field[0], 0, data->lcd_contrast);
- usbhid_submit_report(data->hdev, report, USB_DIR_OUT);
- spin_unlock_irqrestore(&data->lock, flags);
- return 0;
-}
-
-static int picolcd_check_lcd_fb(struct lcd_device *ldev, struct fb_info *fb)
-{
- return fb && fb == picolcd_fbinfo((struct picolcd_data *)lcd_get_data(ldev));
-}
-
-static struct lcd_ops picolcd_lcdops = {
- .get_contrast = picolcd_get_contrast,
- .set_contrast = picolcd_set_contrast,
- .check_fb = picolcd_check_lcd_fb,
-};
-
-static int picolcd_init_lcd(struct picolcd_data *data, struct hid_report *report)
-{
- struct device *dev = &data->hdev->dev;
- struct lcd_device *ldev;
-
- if (!report)
- return -ENODEV;
- if (report->maxfield != 1 || report->field[0]->report_count != 1 ||
- report->field[0]->report_size != 8) {
- dev_err(dev, "unsupported CONTRAST report");
- return -EINVAL;
- }
-
- ldev = lcd_device_register(dev_name(dev), dev, data, &picolcd_lcdops);
- if (IS_ERR(ldev)) {
- dev_err(dev, "failed to register LCD\n");
- return PTR_ERR(ldev);
- }
- ldev->props.max_contrast = 0x0ff;
- data->lcd_contrast = 0xe5;
- data->lcd = ldev;
- picolcd_set_contrast(ldev, 0xe5);
- return 0;
-}
-
-static void picolcd_exit_lcd(struct picolcd_data *data)
-{
- struct lcd_device *ldev = data->lcd;
-
- data->lcd = NULL;
- if (ldev)
- lcd_device_unregister(ldev);
-}
-
-static inline int picolcd_resume_lcd(struct picolcd_data *data)
-{
- if (!data->lcd)
- return 0;
- return picolcd_set_contrast(data->lcd, data->lcd_contrast);
-}
-#else
-static inline int picolcd_init_lcd(struct picolcd_data *data,
- struct hid_report *report)
-{
- return 0;
-}
-static inline void picolcd_exit_lcd(struct picolcd_data *data)
-{
-}
-static inline int picolcd_resume_lcd(struct picolcd_data *data)
-{
- return 0;
-}
-#endif /* CONFIG_HID_PICOLCD_LCD */
-
-#ifdef CONFIG_HID_PICOLCD_LEDS
-/**
- * LED class device
- */
-static void picolcd_leds_set(struct picolcd_data *data)
-{
- struct hid_report *report;
- unsigned long flags;
-
- if (!data->led[0])
- return;
- report = picolcd_out_report(REPORT_LED_STATE, data->hdev);
- if (!report || report->maxfield != 1 || report->field[0]->report_count != 1)
- return;
-
- spin_lock_irqsave(&data->lock, flags);
- hid_set_field(report->field[0], 0, data->led_state);
- usbhid_submit_report(data->hdev, report, USB_DIR_OUT);
- spin_unlock_irqrestore(&data->lock, flags);
-}
-
-static void picolcd_led_set_brightness(struct led_classdev *led_cdev,
- enum led_brightness value)
-{
- struct device *dev;
- struct hid_device *hdev;
- struct picolcd_data *data;
- int i, state = 0;
-
- dev = led_cdev->dev->parent;
- hdev = container_of(dev, struct hid_device, dev);
- data = hid_get_drvdata(hdev);
- for (i = 0; i < 8; i++) {
- if (led_cdev != data->led[i])
- continue;
- state = (data->led_state >> i) & 1;
- if (value == LED_OFF && state) {
- data->led_state &= ~(1 << i);
- picolcd_leds_set(data);
- } else if (value != LED_OFF && !state) {
- data->led_state |= 1 << i;
- picolcd_leds_set(data);
- }
- break;
- }
-}
-
-static enum led_brightness picolcd_led_get_brightness(struct led_classdev *led_cdev)
-{
- struct device *dev;
- struct hid_device *hdev;
- struct picolcd_data *data;
- int i, value = 0;
-
- dev = led_cdev->dev->parent;
- hdev = container_of(dev, struct hid_device, dev);
- data = hid_get_drvdata(hdev);
- for (i = 0; i < 8; i++)
- if (led_cdev == data->led[i]) {
- value = (data->led_state >> i) & 1;
- break;
- }
- return value ? LED_FULL : LED_OFF;
-}
-
-static int picolcd_init_leds(struct picolcd_data *data, struct hid_report *report)
-{
- struct device *dev = &data->hdev->dev;
- struct led_classdev *led;
- size_t name_sz = strlen(dev_name(dev)) + 8;
- char *name;
- int i, ret = 0;
-
- if (!report)
- return -ENODEV;
- if (report->maxfield != 1 || report->field[0]->report_count != 1 ||
- report->field[0]->report_size != 8) {
- dev_err(dev, "unsupported LED_STATE report");
- return -EINVAL;
- }
-
- for (i = 0; i < 8; i++) {
- led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL);
- if (!led) {
- dev_err(dev, "can't allocate memory for LED %d\n", i);
- ret = -ENOMEM;
- goto err;
- }
- name = (void *)(&led[1]);
- snprintf(name, name_sz, "%s::GPO%d", dev_name(dev), i);
- led->name = name;
- led->brightness = 0;
- led->max_brightness = 1;
- led->brightness_get = picolcd_led_get_brightness;
- led->brightness_set = picolcd_led_set_brightness;
-
- data->led[i] = led;
- ret = led_classdev_register(dev, data->led[i]);
- if (ret) {
- data->led[i] = NULL;
- kfree(led);
- dev_err(dev, "can't register LED %d\n", i);
- goto err;
- }
- }
- return 0;
-err:
- for (i = 0; i < 8; i++)
- if (data->led[i]) {
- led = data->led[i];
- data->led[i] = NULL;
- led_classdev_unregister(led);
- kfree(led);
- }
- return ret;
-}
-
-static void picolcd_exit_leds(struct picolcd_data *data)
-{
- struct led_classdev *led;
- int i;
-
- for (i = 0; i < 8; i++) {
- led = data->led[i];
- data->led[i] = NULL;
- if (!led)
- continue;
- led_classdev_unregister(led);
- kfree(led);
- }
-}
-
-#else
-static inline int picolcd_init_leds(struct picolcd_data *data,
- struct hid_report *report)
-{
- return 0;
-}
-static inline void picolcd_exit_leds(struct picolcd_data *data)
-{
-}
-static inline int picolcd_leds_set(struct picolcd_data *data)
-{
- return 0;
-}
-#endif /* CONFIG_HID_PICOLCD_LEDS */
-
-/*
- * input class device
- */
-static int picolcd_raw_keypad(struct picolcd_data *data,
- struct hid_report *report, u8 *raw_data, int size)
-{
- /*
- * Keypad event
- * First and second data bytes list currently pressed keys,
- * 0x00 means no key and at most 2 keys may be pressed at same time
- */
- int i, j;
-
- /* determine newly pressed keys */
- for (i = 0; i < size; i++) {
- unsigned int key_code;
- if (raw_data[i] == 0)
- continue;
- for (j = 0; j < sizeof(data->pressed_keys); j++)
- if (data->pressed_keys[j] == raw_data[i])
- goto key_already_down;
- for (j = 0; j < sizeof(data->pressed_keys); j++)
- if (data->pressed_keys[j] == 0) {
- data->pressed_keys[j] = raw_data[i];
- break;
- }
- input_event(data->input_keys, EV_MSC, MSC_SCAN, raw_data[i]);
- if (raw_data[i] < PICOLCD_KEYS)
- key_code = data->keycode[raw_data[i]];
- else
- key_code = KEY_UNKNOWN;
- if (key_code != KEY_UNKNOWN) {
- dbg_hid(PICOLCD_NAME " got key press for %u:%d",
- raw_data[i], key_code);
- input_report_key(data->input_keys, key_code, 1);
- }
- input_sync(data->input_keys);
-key_already_down:
- continue;
- }
-
- /* determine newly released keys */
- for (j = 0; j < sizeof(data->pressed_keys); j++) {
- unsigned int key_code;
- if (data->pressed_keys[j] == 0)
- continue;
- for (i = 0; i < size; i++)
- if (data->pressed_keys[j] == raw_data[i])
- goto key_still_down;
- input_event(data->input_keys, EV_MSC, MSC_SCAN, data->pressed_keys[j]);
- if (data->pressed_keys[j] < PICOLCD_KEYS)
- key_code = data->keycode[data->pressed_keys[j]];
- else
- key_code = KEY_UNKNOWN;
- if (key_code != KEY_UNKNOWN) {
- dbg_hid(PICOLCD_NAME " got key release for %u:%d",
- data->pressed_keys[j], key_code);
- input_report_key(data->input_keys, key_code, 0);
- }
- input_sync(data->input_keys);
- data->pressed_keys[j] = 0;
-key_still_down:
- continue;
- }
- return 1;
-}
-
-static int picolcd_raw_cir(struct picolcd_data *data,
- struct hid_report *report, u8 *raw_data, int size)
-{
- /* Need understanding of CIR data format to implement ... */
- return 1;
-}
-
-static int picolcd_check_version(struct hid_device *hdev)
-{
- struct picolcd_data *data = hid_get_drvdata(hdev);
- struct picolcd_pending *verinfo;
- int ret = 0;
-
- if (!data)
- return -ENODEV;
-
- verinfo = picolcd_send_and_wait(hdev, REPORT_VERSION, NULL, 0);
- if (!verinfo) {
- hid_err(hdev, "no version response from PicoLCD\n");
- return -ENODEV;
- }
-
- if (verinfo->raw_size == 2) {
- data->version[0] = verinfo->raw_data[1];
- data->version[1] = verinfo->raw_data[0];
- if (data->status & PICOLCD_BOOTLOADER) {
- hid_info(hdev, "PicoLCD, bootloader version %d.%d\n",
- verinfo->raw_data[1], verinfo->raw_data[0]);
- } else {
- hid_info(hdev, "PicoLCD, firmware version %d.%d\n",
- verinfo->raw_data[1], verinfo->raw_data[0]);
- }
- } else {
- hid_err(hdev, "confused, got unexpected version response from PicoLCD\n");
- ret = -EINVAL;
- }
- kfree(verinfo);
- return ret;
-}
-
-/*
- * Reset our device and wait for answer to VERSION request
- */
-static int picolcd_reset(struct hid_device *hdev)
-{
- struct picolcd_data *data = hid_get_drvdata(hdev);
- struct hid_report *report = picolcd_out_report(REPORT_RESET, hdev);
- unsigned long flags;
- int error;
-
- if (!data || !report || report->maxfield != 1)
- return -ENODEV;
-
- spin_lock_irqsave(&data->lock, flags);
- if (hdev->product == USB_DEVICE_ID_PICOLCD_BOOTLOADER)
- data->status |= PICOLCD_BOOTLOADER;
-
- /* perform the reset */
- hid_set_field(report->field[0], 0, 1);
- usbhid_submit_report(hdev, report, USB_DIR_OUT);
- spin_unlock_irqrestore(&data->lock, flags);
-
- error = picolcd_check_version(hdev);
- if (error)
- return error;
-
- picolcd_resume_lcd(data);
- picolcd_resume_backlight(data);
-#ifdef CONFIG_HID_PICOLCD_FB
- if (data->fb_info)
- schedule_delayed_work(&data->fb_info->deferred_work, 0);
-#endif /* CONFIG_HID_PICOLCD_FB */
-
- picolcd_leds_set(data);
- return 0;
-}
-
-/*
- * The "operation_mode" sysfs attribute
- */
-static ssize_t picolcd_operation_mode_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct picolcd_data *data = dev_get_drvdata(dev);
-
- if (data->status & PICOLCD_BOOTLOADER)
- return snprintf(buf, PAGE_SIZE, "[bootloader] lcd\n");
- else
- return snprintf(buf, PAGE_SIZE, "bootloader [lcd]\n");
-}
-
-static ssize_t picolcd_operation_mode_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- struct picolcd_data *data = dev_get_drvdata(dev);
- struct hid_report *report = NULL;
- size_t cnt = count;
- int timeout = data->opmode_delay;
- unsigned long flags;
-
- if (cnt >= 3 && strncmp("lcd", buf, 3) == 0) {
- if (data->status & PICOLCD_BOOTLOADER)
- report = picolcd_out_report(REPORT_EXIT_FLASHER, data->hdev);
- buf += 3;
- cnt -= 3;
- } else if (cnt >= 10 && strncmp("bootloader", buf, 10) == 0) {
- if (!(data->status & PICOLCD_BOOTLOADER))
- report = picolcd_out_report(REPORT_EXIT_KEYBOARD, data->hdev);
- buf += 10;
- cnt -= 10;
- }
- if (!report)
- return -EINVAL;
-
- while (cnt > 0 && (buf[cnt-1] == '\n' || buf[cnt-1] == '\r'))
- cnt--;
- if (cnt != 0)
- return -EINVAL;
-
- spin_lock_irqsave(&data->lock, flags);
- hid_set_field(report->field[0], 0, timeout & 0xff);
- hid_set_field(report->field[0], 1, (timeout >> 8) & 0xff);
- usbhid_submit_report(data->hdev, report, USB_DIR_OUT);
- spin_unlock_irqrestore(&data->lock, flags);
- return count;
-}
-
-static DEVICE_ATTR(operation_mode, 0644, picolcd_operation_mode_show,
- picolcd_operation_mode_store);
-
-/*
- * The "operation_mode_delay" sysfs attribute
- */
-static ssize_t picolcd_operation_mode_delay_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct picolcd_data *data = dev_get_drvdata(dev);
-
- return snprintf(buf, PAGE_SIZE, "%hu\n", data->opmode_delay);
-}
-
-static ssize_t picolcd_operation_mode_delay_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- struct picolcd_data *data = dev_get_drvdata(dev);
- unsigned u;
- if (sscanf(buf, "%u", &u) != 1)
- return -EINVAL;
- if (u > 30000)
- return -EINVAL;
- else
- data->opmode_delay = u;
- return count;
-}
-
-static DEVICE_ATTR(operation_mode_delay, 0644, picolcd_operation_mode_delay_show,
- picolcd_operation_mode_delay_store);
-
-
-#ifdef CONFIG_DEBUG_FS
-/*
- * The "reset" file
- */
-static int picolcd_debug_reset_show(struct seq_file *f, void *p)
-{
- if (picolcd_fbinfo((struct picolcd_data *)f->private))
- seq_printf(f, "all fb\n");
- else
- seq_printf(f, "all\n");
- return 0;
-}
-
-static int picolcd_debug_reset_open(struct inode *inode, struct file *f)
-{
- return single_open(f, picolcd_debug_reset_show, inode->i_private);
-}
-
-static ssize_t picolcd_debug_reset_write(struct file *f, const char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct picolcd_data *data = ((struct seq_file *)f->private_data)->private;
- char buf[32];
- size_t cnt = min(count, sizeof(buf)-1);
- if (copy_from_user(buf, user_buf, cnt))
- return -EFAULT;
-
- while (cnt > 0 && (buf[cnt-1] == ' ' || buf[cnt-1] == '\n'))
- cnt--;
- buf[cnt] = '\0';
- if (strcmp(buf, "all") == 0) {
- picolcd_reset(data->hdev);
- picolcd_fb_reset(data, 1);
- } else if (strcmp(buf, "fb") == 0) {
- picolcd_fb_reset(data, 1);
- } else {
- return -EINVAL;
- }
- return count;
-}
-
-static const struct file_operations picolcd_debug_reset_fops = {
- .owner = THIS_MODULE,
- .open = picolcd_debug_reset_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .write = picolcd_debug_reset_write,
- .release = single_release,
-};
-
-/*
- * The "eeprom" file
- */
-static ssize_t picolcd_debug_eeprom_read(struct file *f, char __user *u,
- size_t s, loff_t *off)
-{
- struct picolcd_data *data = f->private_data;
- struct picolcd_pending *resp;
- u8 raw_data[3];
- ssize_t ret = -EIO;
-
- if (s == 0)
- return -EINVAL;
- if (*off > 0x0ff)
- return 0;
-
- /* prepare buffer with info about what we want to read (addr & len) */
- raw_data[0] = *off & 0xff;
- raw_data[1] = (*off >> 8) & 0xff;
- raw_data[2] = s < 20 ? s : 20;
- if (*off + raw_data[2] > 0xff)
- raw_data[2] = 0x100 - *off;
- resp = picolcd_send_and_wait(data->hdev, REPORT_EE_READ, raw_data,
- sizeof(raw_data));
- if (!resp)
- return -EIO;
-
- if (resp->in_report && resp->in_report->id == REPORT_EE_DATA) {
- /* successful read :) */
- ret = resp->raw_data[2];
- if (ret > s)
- ret = s;
- if (copy_to_user(u, resp->raw_data+3, ret))
- ret = -EFAULT;
- else
- *off += ret;
- } /* anything else is some kind of IO error */
-
- kfree(resp);
- return ret;
-}
-
-static ssize_t picolcd_debug_eeprom_write(struct file *f, const char __user *u,
- size_t s, loff_t *off)
-{
- struct picolcd_data *data = f->private_data;
- struct picolcd_pending *resp;
- ssize_t ret = -EIO;
- u8 raw_data[23];
-
- if (s == 0)
- return -EINVAL;
- if (*off > 0x0ff)
- return -ENOSPC;
-
- memset(raw_data, 0, sizeof(raw_data));
- raw_data[0] = *off & 0xff;
- raw_data[1] = (*off >> 8) & 0xff;
- raw_data[2] = min((size_t)20, s);
- if (*off + raw_data[2] > 0xff)
- raw_data[2] = 0x100 - *off;
-
- if (copy_from_user(raw_data+3, u, min((u8)20, raw_data[2])))
- return -EFAULT;
- resp = picolcd_send_and_wait(data->hdev, REPORT_EE_WRITE, raw_data,
- sizeof(raw_data));
-
- if (!resp)
- return -EIO;
-
- if (resp->in_report && resp->in_report->id == REPORT_EE_DATA) {
- /* check if written data matches */
- if (memcmp(raw_data, resp->raw_data, 3+raw_data[2]) == 0) {
- *off += raw_data[2];
- ret = raw_data[2];
- }
- }
- kfree(resp);
- return ret;
-}
-
-/*
- * Notes:
- * - read/write happens in chunks of at most 20 bytes, it's up to userspace
- * to loop in order to get more data.
- * - on write errors on otherwise correct write request the bytes
- * that should have been written are in undefined state.
- */
-static const struct file_operations picolcd_debug_eeprom_fops = {
- .owner = THIS_MODULE,
- .open = simple_open,
- .read = picolcd_debug_eeprom_read,
- .write = picolcd_debug_eeprom_write,
- .llseek = generic_file_llseek,
-};
-
-/*
- * The "flash" file
- */
-/* record a flash address to buf (bounds check to be done by caller) */
-static int _picolcd_flash_setaddr(struct picolcd_data *data, u8 *buf, long off)
-{
- buf[0] = off & 0xff;
- buf[1] = (off >> 8) & 0xff;
- if (data->addr_sz == 3)
- buf[2] = (off >> 16) & 0xff;
- return data->addr_sz == 2 ? 2 : 3;
-}
-
-/* read a given size of data (bounds check to be done by caller) */
-static ssize_t _picolcd_flash_read(struct picolcd_data *data, int report_id,
- char __user *u, size_t s, loff_t *off)
-{
- struct picolcd_pending *resp;
- u8 raw_data[4];
- ssize_t ret = 0;
- int len_off, err = -EIO;
-
- while (s > 0) {
- err = -EIO;
- len_off = _picolcd_flash_setaddr(data, raw_data, *off);
- raw_data[len_off] = s > 32 ? 32 : s;
- resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, len_off+1);
- if (!resp || !resp->in_report)
- goto skip;
- if (resp->in_report->id == REPORT_MEMORY ||
- resp->in_report->id == REPORT_BL_READ_MEMORY) {
- if (memcmp(raw_data, resp->raw_data, len_off+1) != 0)
- goto skip;
- if (copy_to_user(u+ret, resp->raw_data+len_off+1, raw_data[len_off])) {
- err = -EFAULT;
- goto skip;
- }
- *off += raw_data[len_off];
- s -= raw_data[len_off];
- ret += raw_data[len_off];
- err = 0;
- }
-skip:
- kfree(resp);
- if (err)
- return ret > 0 ? ret : err;
- }
- return ret;
-}
-
-static ssize_t picolcd_debug_flash_read(struct file *f, char __user *u,
- size_t s, loff_t *off)
-{
- struct picolcd_data *data = f->private_data;
-
- if (s == 0)
- return -EINVAL;
- if (*off > 0x05fff)
- return 0;
- if (*off + s > 0x05fff)
- s = 0x06000 - *off;
-
- if (data->status & PICOLCD_BOOTLOADER)
- return _picolcd_flash_read(data, REPORT_BL_READ_MEMORY, u, s, off);
- else
- return _picolcd_flash_read(data, REPORT_READ_MEMORY, u, s, off);
-}
-
-/* erase block aligned to 64bytes boundary */
-static ssize_t _picolcd_flash_erase64(struct picolcd_data *data, int report_id,
- loff_t *off)
-{
- struct picolcd_pending *resp;
- u8 raw_data[3];
- int len_off;
- ssize_t ret = -EIO;
-
- if (*off & 0x3f)
- return -EINVAL;
-
- len_off = _picolcd_flash_setaddr(data, raw_data, *off);
- resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, len_off);
- if (!resp || !resp->in_report)
- goto skip;
- if (resp->in_report->id == REPORT_MEMORY ||
- resp->in_report->id == REPORT_BL_ERASE_MEMORY) {
- if (memcmp(raw_data, resp->raw_data, len_off) != 0)
- goto skip;
- ret = 0;
- }
-skip:
- kfree(resp);
- return ret;
-}
-
-/* write a given size of data (bounds check to be done by caller) */
-static ssize_t _picolcd_flash_write(struct picolcd_data *data, int report_id,
- const char __user *u, size_t s, loff_t *off)
-{
- struct picolcd_pending *resp;
- u8 raw_data[36];
- ssize_t ret = 0;
- int len_off, err = -EIO;
-
- while (s > 0) {
- err = -EIO;
- len_off = _picolcd_flash_setaddr(data, raw_data, *off);
- raw_data[len_off] = s > 32 ? 32 : s;
- if (copy_from_user(raw_data+len_off+1, u, raw_data[len_off])) {
- err = -EFAULT;
- break;
- }
- resp = picolcd_send_and_wait(data->hdev, report_id, raw_data,
- len_off+1+raw_data[len_off]);
- if (!resp || !resp->in_report)
- goto skip;
- if (resp->in_report->id == REPORT_MEMORY ||
- resp->in_report->id == REPORT_BL_WRITE_MEMORY) {
- if (memcmp(raw_data, resp->raw_data, len_off+1+raw_data[len_off]) != 0)
- goto skip;
- *off += raw_data[len_off];
- s -= raw_data[len_off];
- ret += raw_data[len_off];
- err = 0;
- }
-skip:
- kfree(resp);
- if (err)
- break;
- }
- return ret > 0 ? ret : err;
-}
-
-static ssize_t picolcd_debug_flash_write(struct file *f, const char __user *u,
- size_t s, loff_t *off)
-{
- struct picolcd_data *data = f->private_data;
- ssize_t err, ret = 0;
- int report_erase, report_write;
-
- if (s == 0)
- return -EINVAL;
- if (*off > 0x5fff)
- return -ENOSPC;
- if (s & 0x3f)
- return -EINVAL;
- if (*off & 0x3f)
- return -EINVAL;
-
- if (data->status & PICOLCD_BOOTLOADER) {
- report_erase = REPORT_BL_ERASE_MEMORY;
- report_write = REPORT_BL_WRITE_MEMORY;
- } else {
- report_erase = REPORT_ERASE_MEMORY;
- report_write = REPORT_WRITE_MEMORY;
- }
- mutex_lock(&data->mutex_flash);
- while (s > 0) {
- err = _picolcd_flash_erase64(data, report_erase, off);
- if (err)
- break;
- err = _picolcd_flash_write(data, report_write, u, 64, off);
- if (err < 0)
- break;
- ret += err;
- *off += err;
- s -= err;
- if (err != 64)
- break;
- }
- mutex_unlock(&data->mutex_flash);
- return ret > 0 ? ret : err;
-}
-
-/*
- * Notes:
- * - concurrent writing is prevented by mutex and all writes must be
- * n*64 bytes and 64-byte aligned, each write being preceded by an
- * ERASE which erases a 64byte block.
- * If less than requested was written or an error is returned for an
- * otherwise correct write request the next 64-byte block which should
- * have been written is in undefined state (mostly: original, erased,
- * (half-)written with write error)
- * - reading can happen without special restriction
- */
-static const struct file_operations picolcd_debug_flash_fops = {
- .owner = THIS_MODULE,
- .open = simple_open,
- .read = picolcd_debug_flash_read,
- .write = picolcd_debug_flash_write,
- .llseek = generic_file_llseek,
-};
-
-
-/*
- * Helper code for HID report level dumping/debugging
- */
-static const char *error_codes[] = {
- "success", "parameter missing", "data_missing", "block readonly",
- "block not erasable", "block too big", "section overflow",
- "invalid command length", "invalid data length",
-};
-
-static void dump_buff_as_hex(char *dst, size_t dst_sz, const u8 *data,
- const size_t data_len)
-{
- int i, j;
- for (i = j = 0; i < data_len && j + 3 < dst_sz; i++) {
- dst[j++] = hex_asc[(data[i] >> 4) & 0x0f];
- dst[j++] = hex_asc[data[i] & 0x0f];
- dst[j++] = ' ';
- }
- if (j < dst_sz) {
- dst[j--] = '\0';
- dst[j] = '\n';
- } else
- dst[j] = '\0';
-}
-
-static void picolcd_debug_out_report(struct picolcd_data *data,
- struct hid_device *hdev, struct hid_report *report)
-{
- u8 raw_data[70];
- int raw_size = (report->size >> 3) + 1;
- char *buff;
-#define BUFF_SZ 256
-
- /* Avoid unnecessary overhead if debugfs is disabled */
- if (list_empty(&hdev->debug_list))
- return;
-
- buff = kmalloc(BUFF_SZ, GFP_ATOMIC);
- if (!buff)
- return;
-
- snprintf(buff, BUFF_SZ, "\nout report %d (size %d) = ",
- report->id, raw_size);
- hid_debug_event(hdev, buff);
- if (raw_size + 5 > sizeof(raw_data)) {
- kfree(buff);
- hid_debug_event(hdev, " TOO BIG\n");
- return;
- } else {
- raw_data[0] = report->id;
- hid_output_report(report, raw_data);
- dump_buff_as_hex(buff, BUFF_SZ, raw_data, raw_size);
- hid_debug_event(hdev, buff);
- }
-
- switch (report->id) {
- case REPORT_LED_STATE:
- /* 1 data byte with GPO state */
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_LED_STATE", report->id, raw_size-1);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tGPO state: 0x%02x\n", raw_data[1]);
- hid_debug_event(hdev, buff);
- break;
- case REPORT_BRIGHTNESS:
- /* 1 data byte with brightness */
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_BRIGHTNESS", report->id, raw_size-1);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tBrightness: 0x%02x\n", raw_data[1]);
- hid_debug_event(hdev, buff);
- break;
- case REPORT_CONTRAST:
- /* 1 data byte with contrast */
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_CONTRAST", report->id, raw_size-1);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tContrast: 0x%02x\n", raw_data[1]);
- hid_debug_event(hdev, buff);
- break;
- case REPORT_RESET:
- /* 2 data bytes with reset duration in ms */
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_RESET", report->id, raw_size-1);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tDuration: 0x%02x%02x (%dms)\n",
- raw_data[2], raw_data[1], raw_data[2] << 8 | raw_data[1]);
- hid_debug_event(hdev, buff);
- break;
- case REPORT_LCD_CMD:
- /* 63 data bytes with LCD commands */
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_LCD_CMD", report->id, raw_size-1);
- hid_debug_event(hdev, buff);
- /* TODO: format decoding */
- break;
- case REPORT_LCD_DATA:
- /* 63 data bytes with LCD data */
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_LCD_CMD", report->id, raw_size-1);
- /* TODO: format decoding */
- hid_debug_event(hdev, buff);
- break;
- case REPORT_LCD_CMD_DATA:
- /* 63 data bytes with LCD commands and data */
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_LCD_CMD", report->id, raw_size-1);
- /* TODO: format decoding */
- hid_debug_event(hdev, buff);
- break;
- case REPORT_EE_READ:
- /* 3 data bytes with read area description */
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_EE_READ", report->id, raw_size-1);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n",
- raw_data[2], raw_data[1]);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]);
- hid_debug_event(hdev, buff);
- break;
- case REPORT_EE_WRITE:
- /* 3+1..20 data bytes with write area description */
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_EE_WRITE", report->id, raw_size-1);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n",
- raw_data[2], raw_data[1]);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]);
- hid_debug_event(hdev, buff);
- if (raw_data[3] == 0) {
- snprintf(buff, BUFF_SZ, "\tNo data\n");
- } else if (raw_data[3] + 4 <= raw_size) {
- snprintf(buff, BUFF_SZ, "\tData: ");
- hid_debug_event(hdev, buff);
- dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]);
- } else {
- snprintf(buff, BUFF_SZ, "\tData overflowed\n");
- }
- hid_debug_event(hdev, buff);
- break;
- case REPORT_ERASE_MEMORY:
- case REPORT_BL_ERASE_MEMORY:
- /* 3 data bytes with pointer inside erase block */
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_ERASE_MEMORY", report->id, raw_size-1);
- hid_debug_event(hdev, buff);
- switch (data->addr_sz) {
- case 2:
- snprintf(buff, BUFF_SZ, "\tAddress inside 64 byte block: 0x%02x%02x\n",
- raw_data[2], raw_data[1]);
- break;
- case 3:
- snprintf(buff, BUFF_SZ, "\tAddress inside 64 byte block: 0x%02x%02x%02x\n",
- raw_data[3], raw_data[2], raw_data[1]);
- break;
- default:
- snprintf(buff, BUFF_SZ, "\tNot supported\n");
- }
- hid_debug_event(hdev, buff);
- break;
- case REPORT_READ_MEMORY:
- case REPORT_BL_READ_MEMORY:
- /* 4 data bytes with read area description */
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_READ_MEMORY", report->id, raw_size-1);
- hid_debug_event(hdev, buff);
- switch (data->addr_sz) {
- case 2:
- snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n",
- raw_data[2], raw_data[1]);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]);
- break;
- case 3:
- snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n",
- raw_data[3], raw_data[2], raw_data[1]);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]);
- break;
- default:
- snprintf(buff, BUFF_SZ, "\tNot supported\n");
- }
- hid_debug_event(hdev, buff);
- break;
- case REPORT_WRITE_MEMORY:
- case REPORT_BL_WRITE_MEMORY:
- /* 4+1..32 data bytes with write adrea description */
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_WRITE_MEMORY", report->id, raw_size-1);
- hid_debug_event(hdev, buff);
- switch (data->addr_sz) {
- case 2:
- snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n",
- raw_data[2], raw_data[1]);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]);
- hid_debug_event(hdev, buff);
- if (raw_data[3] == 0) {
- snprintf(buff, BUFF_SZ, "\tNo data\n");
- } else if (raw_data[3] + 4 <= raw_size) {
- snprintf(buff, BUFF_SZ, "\tData: ");
- hid_debug_event(hdev, buff);
- dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]);
- } else {
- snprintf(buff, BUFF_SZ, "\tData overflowed\n");
- }
- break;
- case 3:
- snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n",
- raw_data[3], raw_data[2], raw_data[1]);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]);
- hid_debug_event(hdev, buff);
- if (raw_data[4] == 0) {
- snprintf(buff, BUFF_SZ, "\tNo data\n");
- } else if (raw_data[4] + 5 <= raw_size) {
- snprintf(buff, BUFF_SZ, "\tData: ");
- hid_debug_event(hdev, buff);
- dump_buff_as_hex(buff, BUFF_SZ, raw_data+5, raw_data[4]);
- } else {
- snprintf(buff, BUFF_SZ, "\tData overflowed\n");
- }
- break;
- default:
- snprintf(buff, BUFF_SZ, "\tNot supported\n");
- }
- hid_debug_event(hdev, buff);
- break;
- case REPORT_SPLASH_RESTART:
- /* TODO */
- break;
- case REPORT_EXIT_KEYBOARD:
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_EXIT_KEYBOARD", report->id, raw_size-1);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tRestart delay: %dms (0x%02x%02x)\n",
- raw_data[1] | (raw_data[2] << 8),
- raw_data[2], raw_data[1]);
- hid_debug_event(hdev, buff);
- break;
- case REPORT_VERSION:
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_VERSION", report->id, raw_size-1);
- hid_debug_event(hdev, buff);
- break;
- case REPORT_DEVID:
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_DEVID", report->id, raw_size-1);
- hid_debug_event(hdev, buff);
- break;
- case REPORT_SPLASH_SIZE:
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_SPLASH_SIZE", report->id, raw_size-1);
- hid_debug_event(hdev, buff);
- break;
- case REPORT_HOOK_VERSION:
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_HOOK_VERSION", report->id, raw_size-1);
- hid_debug_event(hdev, buff);
- break;
- case REPORT_EXIT_FLASHER:
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "REPORT_VERSION", report->id, raw_size-1);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tRestart delay: %dms (0x%02x%02x)\n",
- raw_data[1] | (raw_data[2] << 8),
- raw_data[2], raw_data[1]);
- hid_debug_event(hdev, buff);
- break;
- default:
- snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
- "<unknown>", report->id, raw_size-1);
- hid_debug_event(hdev, buff);
- break;
- }
- wake_up_interruptible(&hdev->debug_wait);
- kfree(buff);
-}
-
-static void picolcd_debug_raw_event(struct picolcd_data *data,
- struct hid_device *hdev, struct hid_report *report,
- u8 *raw_data, int size)
-{
- char *buff;
-
-#define BUFF_SZ 256
- /* Avoid unnecessary overhead if debugfs is disabled */
- if (!hdev->debug_events)
- return;
-
- buff = kmalloc(BUFF_SZ, GFP_ATOMIC);
- if (!buff)
- return;
-
- switch (report->id) {
- case REPORT_ERROR_CODE:
- /* 2 data bytes with affected report and error code */
- snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
- "REPORT_ERROR_CODE", report->id, size-1);
- hid_debug_event(hdev, buff);
- if (raw_data[2] < ARRAY_SIZE(error_codes))
- snprintf(buff, BUFF_SZ, "\tError code 0x%02x (%s) in reply to report 0x%02x\n",
- raw_data[2], error_codes[raw_data[2]], raw_data[1]);
- else
- snprintf(buff, BUFF_SZ, "\tError code 0x%02x in reply to report 0x%02x\n",
- raw_data[2], raw_data[1]);
- hid_debug_event(hdev, buff);
- break;
- case REPORT_KEY_STATE:
- /* 2 data bytes with key state */
- snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
- "REPORT_KEY_STATE", report->id, size-1);
- hid_debug_event(hdev, buff);
- if (raw_data[1] == 0)
- snprintf(buff, BUFF_SZ, "\tNo key pressed\n");
- else if (raw_data[2] == 0)
- snprintf(buff, BUFF_SZ, "\tOne key pressed: 0x%02x (%d)\n",
- raw_data[1], raw_data[1]);
- else
- snprintf(buff, BUFF_SZ, "\tTwo keys pressed: 0x%02x (%d), 0x%02x (%d)\n",
- raw_data[1], raw_data[1], raw_data[2], raw_data[2]);
- hid_debug_event(hdev, buff);
- break;
- case REPORT_IR_DATA:
- /* Up to 20 byes of IR scancode data */
- snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
- "REPORT_IR_DATA", report->id, size-1);
- hid_debug_event(hdev, buff);
- if (raw_data[1] == 0) {
- snprintf(buff, BUFF_SZ, "\tUnexpectedly 0 data length\n");
- hid_debug_event(hdev, buff);
- } else if (raw_data[1] + 1 <= size) {
- snprintf(buff, BUFF_SZ, "\tData length: %d\n\tIR Data: ",
- raw_data[1]-1);
- hid_debug_event(hdev, buff);
- dump_buff_as_hex(buff, BUFF_SZ, raw_data+2, raw_data[1]-1);
- hid_debug_event(hdev, buff);
- } else {
- snprintf(buff, BUFF_SZ, "\tOverflowing data length: %d\n",
- raw_data[1]-1);
- hid_debug_event(hdev, buff);
- }
- break;
- case REPORT_EE_DATA:
- /* Data buffer in response to REPORT_EE_READ or REPORT_EE_WRITE */
- snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
- "REPORT_EE_DATA", report->id, size-1);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n",
- raw_data[2], raw_data[1]);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]);
- hid_debug_event(hdev, buff);
- if (raw_data[3] == 0) {
- snprintf(buff, BUFF_SZ, "\tNo data\n");
- hid_debug_event(hdev, buff);
- } else if (raw_data[3] + 4 <= size) {
- snprintf(buff, BUFF_SZ, "\tData: ");
- hid_debug_event(hdev, buff);
- dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]);
- hid_debug_event(hdev, buff);
- } else {
- snprintf(buff, BUFF_SZ, "\tData overflowed\n");
- hid_debug_event(hdev, buff);
- }
- break;
- case REPORT_MEMORY:
- /* Data buffer in response to REPORT_READ_MEMORY or REPORT_WRTIE_MEMORY */
- snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
- "REPORT_MEMORY", report->id, size-1);
- hid_debug_event(hdev, buff);
- switch (data->addr_sz) {
- case 2:
- snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n",
- raw_data[2], raw_data[1]);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]);
- hid_debug_event(hdev, buff);
- if (raw_data[3] == 0) {
- snprintf(buff, BUFF_SZ, "\tNo data\n");
- } else if (raw_data[3] + 4 <= size) {
- snprintf(buff, BUFF_SZ, "\tData: ");
- hid_debug_event(hdev, buff);
- dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]);
- } else {
- snprintf(buff, BUFF_SZ, "\tData overflowed\n");
- }
- break;
- case 3:
- snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n",
- raw_data[3], raw_data[2], raw_data[1]);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]);
- hid_debug_event(hdev, buff);
- if (raw_data[4] == 0) {
- snprintf(buff, BUFF_SZ, "\tNo data\n");
- } else if (raw_data[4] + 5 <= size) {
- snprintf(buff, BUFF_SZ, "\tData: ");
- hid_debug_event(hdev, buff);
- dump_buff_as_hex(buff, BUFF_SZ, raw_data+5, raw_data[4]);
- } else {
- snprintf(buff, BUFF_SZ, "\tData overflowed\n");
- }
- break;
- default:
- snprintf(buff, BUFF_SZ, "\tNot supported\n");
- }
- hid_debug_event(hdev, buff);
- break;
- case REPORT_VERSION:
- snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
- "REPORT_VERSION", report->id, size-1);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tFirmware version: %d.%d\n",
- raw_data[2], raw_data[1]);
- hid_debug_event(hdev, buff);
- break;
- case REPORT_BL_ERASE_MEMORY:
- snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
- "REPORT_BL_ERASE_MEMORY", report->id, size-1);
- hid_debug_event(hdev, buff);
- /* TODO */
- break;
- case REPORT_BL_READ_MEMORY:
- snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
- "REPORT_BL_READ_MEMORY", report->id, size-1);
- hid_debug_event(hdev, buff);
- /* TODO */
- break;
- case REPORT_BL_WRITE_MEMORY:
- snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
- "REPORT_BL_WRITE_MEMORY", report->id, size-1);
- hid_debug_event(hdev, buff);
- /* TODO */
- break;
- case REPORT_DEVID:
- snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
- "REPORT_DEVID", report->id, size-1);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tSerial: 0x%02x%02x%02x%02x\n",
- raw_data[1], raw_data[2], raw_data[3], raw_data[4]);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tType: 0x%02x\n",
- raw_data[5]);
- hid_debug_event(hdev, buff);
- break;
- case REPORT_SPLASH_SIZE:
- snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
- "REPORT_SPLASH_SIZE", report->id, size-1);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tTotal splash space: %d\n",
- (raw_data[2] << 8) | raw_data[1]);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tUsed splash space: %d\n",
- (raw_data[4] << 8) | raw_data[3]);
- hid_debug_event(hdev, buff);
- break;
- case REPORT_HOOK_VERSION:
- snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
- "REPORT_HOOK_VERSION", report->id, size-1);
- hid_debug_event(hdev, buff);
- snprintf(buff, BUFF_SZ, "\tFirmware version: %d.%d\n",
- raw_data[1], raw_data[2]);
- hid_debug_event(hdev, buff);
- break;
- default:
- snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
- "<unknown>", report->id, size-1);
- hid_debug_event(hdev, buff);
- break;
- }
- wake_up_interruptible(&hdev->debug_wait);
- kfree(buff);
-}
-
-static void picolcd_init_devfs(struct picolcd_data *data,
- struct hid_report *eeprom_r, struct hid_report *eeprom_w,
- struct hid_report *flash_r, struct hid_report *flash_w,
- struct hid_report *reset)
-{
- struct hid_device *hdev = data->hdev;
-
- mutex_init(&data->mutex_flash);
-
- /* reset */
- if (reset)
- data->debug_reset = debugfs_create_file("reset", 0600,
- hdev->debug_dir, data, &picolcd_debug_reset_fops);
-
- /* eeprom */
- if (eeprom_r || eeprom_w)
- data->debug_eeprom = debugfs_create_file("eeprom",
- (eeprom_w ? S_IWUSR : 0) | (eeprom_r ? S_IRUSR : 0),
- hdev->debug_dir, data, &picolcd_debug_eeprom_fops);
-
- /* flash */
- if (flash_r && flash_r->maxfield == 1 && flash_r->field[0]->report_size == 8)
- data->addr_sz = flash_r->field[0]->report_count - 1;
- else
- data->addr_sz = -1;
- if (data->addr_sz == 2 || data->addr_sz == 3) {
- data->debug_flash = debugfs_create_file("flash",
- (flash_w ? S_IWUSR : 0) | (flash_r ? S_IRUSR : 0),
- hdev->debug_dir, data, &picolcd_debug_flash_fops);
- } else if (flash_r || flash_w)
- hid_warn(hdev, "Unexpected FLASH access reports, please submit rdesc for review\n");
-}
-
-static void picolcd_exit_devfs(struct picolcd_data *data)
-{
- struct dentry *dent;
-
- dent = data->debug_reset;
- data->debug_reset = NULL;
- if (dent)
- debugfs_remove(dent);
- dent = data->debug_eeprom;
- data->debug_eeprom = NULL;
- if (dent)
- debugfs_remove(dent);
- dent = data->debug_flash;
- data->debug_flash = NULL;
- if (dent)
- debugfs_remove(dent);
- mutex_destroy(&data->mutex_flash);
-}
-#else
-static inline void picolcd_debug_raw_event(struct picolcd_data *data,
- struct hid_device *hdev, struct hid_report *report,
- u8 *raw_data, int size)
-{
-}
-static inline void picolcd_init_devfs(struct picolcd_data *data,
- struct hid_report *eeprom_r, struct hid_report *eeprom_w,
- struct hid_report *flash_r, struct hid_report *flash_w,
- struct hid_report *reset)
-{
-}
-static inline void picolcd_exit_devfs(struct picolcd_data *data)
-{
-}
-#endif /* CONFIG_DEBUG_FS */
-
-/*
- * Handle raw report as sent by device
- */
-static int picolcd_raw_event(struct hid_device *hdev,
- struct hid_report *report, u8 *raw_data, int size)
-{
- struct picolcd_data *data = hid_get_drvdata(hdev);
- unsigned long flags;
- int ret = 0;
-
- if (!data)
- return 1;
-
- if (report->id == REPORT_KEY_STATE) {
- if (data->input_keys)
- ret = picolcd_raw_keypad(data, report, raw_data+1, size-1);
- } else if (report->id == REPORT_IR_DATA) {
- if (data->input_cir)
- ret = picolcd_raw_cir(data, report, raw_data+1, size-1);
- } else {
- spin_lock_irqsave(&data->lock, flags);
- /*
- * We let the caller of picolcd_send_and_wait() check if the
- * report we got is one of the expected ones or not.
- */
- if (data->pending) {
- memcpy(data->pending->raw_data, raw_data+1, size-1);
- data->pending->raw_size = size-1;
- data->pending->in_report = report;
- complete(&data->pending->ready);
- }
- spin_unlock_irqrestore(&data->lock, flags);
- }
-
- picolcd_debug_raw_event(data, hdev, report, raw_data, size);
- return 1;
-}
-
-#ifdef CONFIG_PM
-static int picolcd_suspend(struct hid_device *hdev, pm_message_t message)
-{
- if (PMSG_IS_AUTO(message))
- return 0;
-
- picolcd_suspend_backlight(hid_get_drvdata(hdev));
- dbg_hid(PICOLCD_NAME " device ready for suspend\n");
- return 0;
-}
-
-static int picolcd_resume(struct hid_device *hdev)
-{
- int ret;
- ret = picolcd_resume_backlight(hid_get_drvdata(hdev));
- if (ret)
- dbg_hid(PICOLCD_NAME " restoring backlight failed: %d\n", ret);
- return 0;
-}
-
-static int picolcd_reset_resume(struct hid_device *hdev)
-{
- int ret;
- ret = picolcd_reset(hdev);
- if (ret)
- dbg_hid(PICOLCD_NAME " resetting our device failed: %d\n", ret);
- ret = picolcd_fb_reset(hid_get_drvdata(hdev), 0);
- if (ret)
- dbg_hid(PICOLCD_NAME " restoring framebuffer content failed: %d\n", ret);
- ret = picolcd_resume_lcd(hid_get_drvdata(hdev));
- if (ret)
- dbg_hid(PICOLCD_NAME " restoring lcd failed: %d\n", ret);
- ret = picolcd_resume_backlight(hid_get_drvdata(hdev));
- if (ret)
- dbg_hid(PICOLCD_NAME " restoring backlight failed: %d\n", ret);
- picolcd_leds_set(hid_get_drvdata(hdev));
- return 0;
-}
-#endif
-
-/* initialize keypad input device */
-static int picolcd_init_keys(struct picolcd_data *data,
- struct hid_report *report)
-{
- struct hid_device *hdev = data->hdev;
- struct input_dev *idev;
- int error, i;
-
- if (!report)
- return -ENODEV;
- if (report->maxfield != 1 || report->field[0]->report_count != 2 ||
- report->field[0]->report_size != 8) {
- hid_err(hdev, "unsupported KEY_STATE report\n");
- return -EINVAL;
- }
-
- idev = input_allocate_device();
- if (idev == NULL) {
- hid_err(hdev, "failed to allocate input device\n");
- return -ENOMEM;
- }
- input_set_drvdata(idev, hdev);
- memcpy(data->keycode, def_keymap, sizeof(def_keymap));
- idev->name = hdev->name;
- idev->phys = hdev->phys;
- idev->uniq = hdev->uniq;
- idev->id.bustype = hdev->bus;
- idev->id.vendor = hdev->vendor;
- idev->id.product = hdev->product;
- idev->id.version = hdev->version;
- idev->dev.parent = hdev->dev.parent;
- idev->keycode = &data->keycode;
- idev->keycodemax = PICOLCD_KEYS;
- idev->keycodesize = sizeof(data->keycode[0]);
- input_set_capability(idev, EV_MSC, MSC_SCAN);
- set_bit(EV_REP, idev->evbit);
- for (i = 0; i < PICOLCD_KEYS; i++)
- input_set_capability(idev, EV_KEY, data->keycode[i]);
- error = input_register_device(idev);
- if (error) {
- hid_err(hdev, "error registering the input device\n");
- input_free_device(idev);
- return error;
- }
- data->input_keys = idev;
- return 0;
-}
-
-static void picolcd_exit_keys(struct picolcd_data *data)
-{
- struct input_dev *idev = data->input_keys;
-
- data->input_keys = NULL;
- if (idev)
- input_unregister_device(idev);
-}
-
-/* initialize CIR input device */
-static inline int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report)
-{
- /* support not implemented yet */
- return 0;
-}
-
-static inline void picolcd_exit_cir(struct picolcd_data *data)
-{
-}
-
-static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data)
-{
- int error;
-
- error = picolcd_check_version(hdev);
- if (error)
- return error;
-
- if (data->version[0] != 0 && data->version[1] != 3)
- hid_info(hdev, "Device with untested firmware revision, please submit /sys/kernel/debug/hid/%s/rdesc for this device.\n",
- dev_name(&hdev->dev));
-
- /* Setup keypad input device */
- error = picolcd_init_keys(data, picolcd_in_report(REPORT_KEY_STATE, hdev));
- if (error)
- goto err;
-
- /* Setup CIR input device */
- error = picolcd_init_cir(data, picolcd_in_report(REPORT_IR_DATA, hdev));
- if (error)
- goto err;
-
- /* Set up the framebuffer device */
- error = picolcd_init_framebuffer(data);
- if (error)
- goto err;
-
- /* Setup lcd class device */
- error = picolcd_init_lcd(data, picolcd_out_report(REPORT_CONTRAST, hdev));
- if (error)
- goto err;
-
- /* Setup backlight class device */
- error = picolcd_init_backlight(data, picolcd_out_report(REPORT_BRIGHTNESS, hdev));
- if (error)
- goto err;
-
- /* Setup the LED class devices */
- error = picolcd_init_leds(data, picolcd_out_report(REPORT_LED_STATE, hdev));
- if (error)
- goto err;
-
- picolcd_init_devfs(data, picolcd_out_report(REPORT_EE_READ, hdev),
- picolcd_out_report(REPORT_EE_WRITE, hdev),
- picolcd_out_report(REPORT_READ_MEMORY, hdev),
- picolcd_out_report(REPORT_WRITE_MEMORY, hdev),
- picolcd_out_report(REPORT_RESET, hdev));
- return 0;
-err:
- picolcd_exit_leds(data);
- picolcd_exit_backlight(data);
- picolcd_exit_lcd(data);
- picolcd_exit_framebuffer(data);
- picolcd_exit_cir(data);
- picolcd_exit_keys(data);
- return error;
-}
-
-static int picolcd_probe_bootloader(struct hid_device *hdev, struct picolcd_data *data)
-{
- int error;
-
- error = picolcd_check_version(hdev);
- if (error)
- return error;
-
- if (data->version[0] != 1 && data->version[1] != 0)
- hid_info(hdev, "Device with untested bootloader revision, please submit /sys/kernel/debug/hid/%s/rdesc for this device.\n",
- dev_name(&hdev->dev));
-
- picolcd_init_devfs(data, NULL, NULL,
- picolcd_out_report(REPORT_BL_READ_MEMORY, hdev),
- picolcd_out_report(REPORT_BL_WRITE_MEMORY, hdev), NULL);
- return 0;
-}
-
-static int picolcd_probe(struct hid_device *hdev,
- const struct hid_device_id *id)
-{
- struct picolcd_data *data;
- int error = -ENOMEM;
-
- dbg_hid(PICOLCD_NAME " hardware probe...\n");
-
- /*
- * Let's allocate the picolcd data structure, set some reasonable
- * defaults, and associate it with the device
- */
- data = kzalloc(sizeof(struct picolcd_data), GFP_KERNEL);
- if (data == NULL) {
- hid_err(hdev, "can't allocate space for Minibox PicoLCD device data\n");
- error = -ENOMEM;
- goto err_no_cleanup;
- }
-
- spin_lock_init(&data->lock);
- mutex_init(&data->mutex);
- data->hdev = hdev;
- data->opmode_delay = 5000;
- if (hdev->product == USB_DEVICE_ID_PICOLCD_BOOTLOADER)
- data->status |= PICOLCD_BOOTLOADER;
- hid_set_drvdata(hdev, data);
-
- /* Parse the device reports and start it up */
- error = hid_parse(hdev);
- if (error) {
- hid_err(hdev, "device report parse failed\n");
- goto err_cleanup_data;
- }
-
- error = hid_hw_start(hdev, 0);
- if (error) {
- hid_err(hdev, "hardware start failed\n");
- goto err_cleanup_data;
- }
-
- error = hid_hw_open(hdev);
- if (error) {
- hid_err(hdev, "failed to open input interrupt pipe for key and IR events\n");
- goto err_cleanup_hid_hw;
- }
-
- error = device_create_file(&hdev->dev, &dev_attr_operation_mode_delay);
- if (error) {
- hid_err(hdev, "failed to create sysfs attributes\n");
- goto err_cleanup_hid_ll;
- }
-
- error = device_create_file(&hdev->dev, &dev_attr_operation_mode);
- if (error) {
- hid_err(hdev, "failed to create sysfs attributes\n");
- goto err_cleanup_sysfs1;
- }
-
- if (data->status & PICOLCD_BOOTLOADER)
- error = picolcd_probe_bootloader(hdev, data);
- else
- error = picolcd_probe_lcd(hdev, data);
- if (error)
- goto err_cleanup_sysfs2;
-
- dbg_hid(PICOLCD_NAME " activated and initialized\n");
- return 0;
-
-err_cleanup_sysfs2:
- device_remove_file(&hdev->dev, &dev_attr_operation_mode);
-err_cleanup_sysfs1:
- device_remove_file(&hdev->dev, &dev_attr_operation_mode_delay);
-err_cleanup_hid_ll:
- hid_hw_close(hdev);
-err_cleanup_hid_hw:
- hid_hw_stop(hdev);
-err_cleanup_data:
- kfree(data);
-err_no_cleanup:
- hid_set_drvdata(hdev, NULL);
-
- return error;
-}
-
-static void picolcd_remove(struct hid_device *hdev)
-{
- struct picolcd_data *data = hid_get_drvdata(hdev);
- unsigned long flags;
-
- dbg_hid(PICOLCD_NAME " hardware remove...\n");
- spin_lock_irqsave(&data->lock, flags);
- data->status |= PICOLCD_FAILED;
- spin_unlock_irqrestore(&data->lock, flags);
-#ifdef CONFIG_HID_PICOLCD_FB
- /* short-circuit FB as early as possible in order to
- * avoid long delays if we host console.
- */
- if (data->fb_info)
- data->fb_info->par = NULL;
-#endif
-
- picolcd_exit_devfs(data);
- device_remove_file(&hdev->dev, &dev_attr_operation_mode);
- device_remove_file(&hdev->dev, &dev_attr_operation_mode_delay);
- hid_hw_close(hdev);
- hid_hw_stop(hdev);
- hid_set_drvdata(hdev, NULL);
-
- /* Shortcut potential pending reply that will never arrive */
- spin_lock_irqsave(&data->lock, flags);
- if (data->pending)
- complete(&data->pending->ready);
- spin_unlock_irqrestore(&data->lock, flags);
-
- /* Cleanup LED */
- picolcd_exit_leds(data);
- /* Clean up the framebuffer */
- picolcd_exit_backlight(data);
- picolcd_exit_lcd(data);
- picolcd_exit_framebuffer(data);
- /* Cleanup input */
- picolcd_exit_cir(data);
- picolcd_exit_keys(data);
-
- mutex_destroy(&data->mutex);
- /* Finally, clean up the picolcd data itself */
- kfree(data);
-}
-
-static const struct hid_device_id picolcd_devices[] = {
- { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
- { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
- { }
-};
-MODULE_DEVICE_TABLE(hid, picolcd_devices);
-
-static struct hid_driver picolcd_driver = {
- .name = "hid-picolcd",
- .id_table = picolcd_devices,
- .probe = picolcd_probe,
- .remove = picolcd_remove,
- .raw_event = picolcd_raw_event,
-#ifdef CONFIG_PM
- .suspend = picolcd_suspend,
- .resume = picolcd_resume,
- .reset_resume = picolcd_reset_resume,
-#endif
-};
-
-static int __init picolcd_init(void)
-{
- return hid_register_driver(&picolcd_driver);
-}
-
-static void __exit picolcd_exit(void)
-{
- hid_unregister_driver(&picolcd_driver);
-#ifdef CONFIG_HID_PICOLCD_FB
- flush_work_sync(&picolcd_fb_cleanup);
- WARN_ON(fb_pending);
-#endif
-}
-
-module_init(picolcd_init);
-module_exit(picolcd_exit);
-MODULE_DESCRIPTION("Minibox graphics PicoLCD Driver");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/hid/hid-picolcd.h b/drivers/hid/hid-picolcd.h
new file mode 100644
index 00000000000..020cef69f6a
--- /dev/null
+++ b/drivers/hid/hid-picolcd.h
@@ -0,0 +1,309 @@
+/***************************************************************************
+ * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> *
+ * *
+ * Based on Logitech G13 driver (v0.4) *
+ * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> *
+ * *
+ * This program is free software: you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation, version 2 of the License. *
+ * *
+ * This driver is distributed in the hope that it will be useful, but *
+ * WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this software. If not see <http://www.gnu.org/licenses/>. *
+ ***************************************************************************/
+
+#define PICOLCD_NAME "PicoLCD (graphic)"
+
+/* Report numbers */
+#define REPORT_ERROR_CODE 0x10 /* LCD: IN[16] */
+#define ERR_SUCCESS 0x00
+#define ERR_PARAMETER_MISSING 0x01
+#define ERR_DATA_MISSING 0x02
+#define ERR_BLOCK_READ_ONLY 0x03
+#define ERR_BLOCK_NOT_ERASABLE 0x04
+#define ERR_BLOCK_TOO_BIG 0x05
+#define ERR_SECTION_OVERFLOW 0x06
+#define ERR_INVALID_CMD_LEN 0x07
+#define ERR_INVALID_DATA_LEN 0x08
+#define REPORT_KEY_STATE 0x11 /* LCD: IN[2] */
+#define REPORT_IR_DATA 0x21 /* LCD: IN[63] */
+#define REPORT_EE_DATA 0x32 /* LCD: IN[63] */
+#define REPORT_MEMORY 0x41 /* LCD: IN[63] */
+#define REPORT_LED_STATE 0x81 /* LCD: OUT[1] */
+#define REPORT_BRIGHTNESS 0x91 /* LCD: OUT[1] */
+#define REPORT_CONTRAST 0x92 /* LCD: OUT[1] */
+#define REPORT_RESET 0x93 /* LCD: OUT[2] */
+#define REPORT_LCD_CMD 0x94 /* LCD: OUT[63] */
+#define REPORT_LCD_DATA 0x95 /* LCD: OUT[63] */
+#define REPORT_LCD_CMD_DATA 0x96 /* LCD: OUT[63] */
+#define REPORT_EE_READ 0xa3 /* LCD: OUT[63] */
+#define REPORT_EE_WRITE 0xa4 /* LCD: OUT[63] */
+#define REPORT_ERASE_MEMORY 0xb2 /* LCD: OUT[2] */
+#define REPORT_READ_MEMORY 0xb3 /* LCD: OUT[3] */
+#define REPORT_WRITE_MEMORY 0xb4 /* LCD: OUT[63] */
+#define REPORT_SPLASH_RESTART 0xc1 /* LCD: OUT[1] */
+#define REPORT_EXIT_KEYBOARD 0xef /* LCD: OUT[2] */
+#define REPORT_VERSION 0xf1 /* LCD: IN[2],OUT[1] Bootloader: IN[2],OUT[1] */
+#define REPORT_BL_ERASE_MEMORY 0xf2 /* Bootloader: IN[36],OUT[4] */
+#define REPORT_BL_READ_MEMORY 0xf3 /* Bootloader: IN[36],OUT[4] */
+#define REPORT_BL_WRITE_MEMORY 0xf4 /* Bootloader: IN[36],OUT[36] */
+#define REPORT_DEVID 0xf5 /* LCD: IN[5], OUT[1] Bootloader: IN[5],OUT[1] */
+#define REPORT_SPLASH_SIZE 0xf6 /* LCD: IN[4], OUT[1] */
+#define REPORT_HOOK_VERSION 0xf7 /* LCD: IN[2], OUT[1] */
+#define REPORT_EXIT_FLASHER 0xff /* Bootloader: OUT[2] */
+
+/* Description of in-progress IO operation, used for operations
+ * that trigger response from device */
+struct picolcd_pending {
+ struct hid_report *out_report;
+ struct hid_report *in_report;
+ struct completion ready;
+ int raw_size;
+ u8 raw_data[64];
+};
+
+
+#define PICOLCD_KEYS 17
+
+/* Per device data structure */
+struct picolcd_data {
+ struct hid_device *hdev;
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *debug_reset;
+ struct dentry *debug_eeprom;
+ struct dentry *debug_flash;
+ struct mutex mutex_flash;
+ int addr_sz;
+#endif
+ u8 version[2];
+ unsigned short opmode_delay;
+ /* input stuff */
+ u8 pressed_keys[2];
+ struct input_dev *input_keys;
+#ifdef CONFIG_HID_PICOLCD_CIR
+ struct rc_dev *rc_dev;
+#endif
+ unsigned short keycode[PICOLCD_KEYS];
+
+#ifdef CONFIG_HID_PICOLCD_FB
+ /* Framebuffer stuff */
+ struct fb_info *fb_info;
+#endif /* CONFIG_HID_PICOLCD_FB */
+#ifdef CONFIG_HID_PICOLCD_LCD
+ struct lcd_device *lcd;
+ u8 lcd_contrast;
+#endif /* CONFIG_HID_PICOLCD_LCD */
+#ifdef CONFIG_HID_PICOLCD_BACKLIGHT
+ struct backlight_device *backlight;
+ u8 lcd_brightness;
+ u8 lcd_power;
+#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */
+#ifdef CONFIG_HID_PICOLCD_LEDS
+ /* LED stuff */
+ u8 led_state;
+ struct led_classdev *led[8];
+#endif /* CONFIG_HID_PICOLCD_LEDS */
+
+ /* Housekeeping stuff */
+ spinlock_t lock;
+ struct mutex mutex;
+ struct picolcd_pending *pending;
+ int status;
+#define PICOLCD_BOOTLOADER 1
+#define PICOLCD_FAILED 2
+#define PICOLCD_CIR_SHUN 4
+};
+
+#ifdef CONFIG_HID_PICOLCD_FB
+struct picolcd_fb_data {
+ /* Framebuffer stuff */
+ spinlock_t lock;
+ struct picolcd_data *picolcd;
+ u8 update_rate;
+ u8 bpp;
+ u8 force;
+ u8 ready;
+ u8 *vbitmap; /* local copy of what was sent to PicoLCD */
+ u8 *bitmap; /* framebuffer */
+};
+#endif /* CONFIG_HID_PICOLCD_FB */
+
+/* Find a given report */
+#define picolcd_in_report(id, dev) picolcd_report(id, dev, HID_INPUT_REPORT)
+#define picolcd_out_report(id, dev) picolcd_report(id, dev, HID_OUTPUT_REPORT)
+
+struct hid_report *picolcd_report(int id, struct hid_device *hdev, int dir);
+
+#ifdef CONFIG_DEBUG_FS
+void picolcd_debug_out_report(struct picolcd_data *data,
+ struct hid_device *hdev, struct hid_report *report);
+#define usbhid_submit_report(a, b, c) \
+ do { \
+ picolcd_debug_out_report(hid_get_drvdata(a), a, b); \
+ usbhid_submit_report(a, b, c); \
+ } while (0)
+
+void picolcd_debug_raw_event(struct picolcd_data *data,
+ struct hid_device *hdev, struct hid_report *report,
+ u8 *raw_data, int size);
+
+void picolcd_init_devfs(struct picolcd_data *data,
+ struct hid_report *eeprom_r, struct hid_report *eeprom_w,
+ struct hid_report *flash_r, struct hid_report *flash_w,
+ struct hid_report *reset);
+
+void picolcd_exit_devfs(struct picolcd_data *data);
+#else
+static inline void picolcd_debug_out_report(struct picolcd_data *data,
+ struct hid_device *hdev, struct hid_report *report)
+{
+}
+static inline void picolcd_debug_raw_event(struct picolcd_data *data,
+ struct hid_device *hdev, struct hid_report *report,
+ u8 *raw_data, int size)
+{
+}
+static inline void picolcd_init_devfs(struct picolcd_data *data,
+ struct hid_report *eeprom_r, struct hid_report *eeprom_w,
+ struct hid_report *flash_r, struct hid_report *flash_w,
+ struct hid_report *reset)
+{
+}
+static inline void picolcd_exit_devfs(struct picolcd_data *data)
+{
+}
+#endif /* CONFIG_DEBUG_FS */
+
+
+#ifdef CONFIG_HID_PICOLCD_FB
+int picolcd_fb_reset(struct picolcd_data *data, int clear);
+
+int picolcd_init_framebuffer(struct picolcd_data *data);
+
+void picolcd_exit_framebuffer(struct picolcd_data *data);
+
+void picolcd_fb_refresh(struct picolcd_data *data);
+#define picolcd_fbinfo(d) ((d)->fb_info)
+#else
+static inline int picolcd_fb_reset(struct picolcd_data *data, int clear)
+{
+ return 0;
+}
+static inline int picolcd_init_framebuffer(struct picolcd_data *data)
+{
+ return 0;
+}
+static inline void picolcd_exit_framebuffer(struct picolcd_data *data)
+{
+}
+static inline void picolcd_fb_refresh(struct picolcd_data *data)
+{
+}
+#define picolcd_fbinfo(d) NULL
+#endif /* CONFIG_HID_PICOLCD_FB */
+
+
+#ifdef CONFIG_HID_PICOLCD_BACKLIGHT
+int picolcd_init_backlight(struct picolcd_data *data,
+ struct hid_report *report);
+
+void picolcd_exit_backlight(struct picolcd_data *data);
+
+int picolcd_resume_backlight(struct picolcd_data *data);
+
+void picolcd_suspend_backlight(struct picolcd_data *data);
+#else
+static inline int picolcd_init_backlight(struct picolcd_data *data,
+ struct hid_report *report)
+{
+ return 0;
+}
+static inline void picolcd_exit_backlight(struct picolcd_data *data)
+{
+}
+static inline int picolcd_resume_backlight(struct picolcd_data *data)
+{
+ return 0;
+}
+static inline void picolcd_suspend_backlight(struct picolcd_data *data)
+{
+}
+
+#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */
+
+
+#ifdef CONFIG_HID_PICOLCD_LCD
+int picolcd_init_lcd(struct picolcd_data *data,
+ struct hid_report *report);
+
+void picolcd_exit_lcd(struct picolcd_data *data);
+
+int picolcd_resume_lcd(struct picolcd_data *data);
+#else
+static inline int picolcd_init_lcd(struct picolcd_data *data,
+ struct hid_report *report)
+{
+ return 0;
+}
+static inline void picolcd_exit_lcd(struct picolcd_data *data)
+{
+}
+static inline int picolcd_resume_lcd(struct picolcd_data *data)
+{
+ return 0;
+}
+#endif /* CONFIG_HID_PICOLCD_LCD */
+
+
+#ifdef CONFIG_HID_PICOLCD_LEDS
+int picolcd_init_leds(struct picolcd_data *data,
+ struct hid_report *report);
+
+void picolcd_exit_leds(struct picolcd_data *data);
+
+void picolcd_leds_set(struct picolcd_data *data);
+#else
+static inline int picolcd_init_leds(struct picolcd_data *data,
+ struct hid_report *report)
+{
+ return 0;
+}
+static inline void picolcd_exit_leds(struct picolcd_data *data)
+{
+}
+static inline void picolcd_leds_set(struct picolcd_data *data)
+{
+}
+#endif /* CONFIG_HID_PICOLCD_LEDS */
+
+
+#ifdef CONFIG_HID_PICOLCD_CIR
+int picolcd_raw_cir(struct picolcd_data *data,
+ struct hid_report *report, u8 *raw_data, int size);
+
+int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report);
+
+void picolcd_exit_cir(struct picolcd_data *data);
+#else
+static inline int picolcd_raw_cir(struct picolcd_data *data,
+ struct hid_report *report, u8 *raw_data, int size)
+{
+ return 1;
+}
+static inline int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report)
+{
+ return 0;
+}
+static inline void picolcd_exit_cir(struct picolcd_data *data)
+{
+}
+#endif /* CONFIG_HID_PICOLCD_LIRC */
+
+int picolcd_reset(struct hid_device *hdev);
+struct picolcd_pending *picolcd_send_and_wait(struct hid_device *hdev,
+ int report_id, const u8 *raw_data, int size);
diff --git a/drivers/hid/hid-picolcd_backlight.c b/drivers/hid/hid-picolcd_backlight.c
new file mode 100644
index 00000000000..b91f30945f9
--- /dev/null
+++ b/drivers/hid/hid-picolcd_backlight.c
@@ -0,0 +1,122 @@
+/***************************************************************************
+ * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> *
+ * *
+ * Based on Logitech G13 driver (v0.4) *
+ * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> *
+ * *
+ * This program is free software: you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation, version 2 of the License. *
+ * *
+ * This driver is distributed in the hope that it will be useful, but *
+ * WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this software. If not see <http://www.gnu.org/licenses/>. *
+ ***************************************************************************/
+
+#include <linux/hid.h>
+#include "usbhid/usbhid.h"
+#include <linux/usb.h>
+
+#include <linux/fb.h>
+#include <linux/backlight.h>
+
+#include "hid-picolcd.h"
+
+static int picolcd_get_brightness(struct backlight_device *bdev)
+{
+ struct picolcd_data *data = bl_get_data(bdev);
+ return data->lcd_brightness;
+}
+
+static int picolcd_set_brightness(struct backlight_device *bdev)
+{
+ struct picolcd_data *data = bl_get_data(bdev);
+ struct hid_report *report = picolcd_out_report(REPORT_BRIGHTNESS, data->hdev);
+ unsigned long flags;
+
+ if (!report || report->maxfield != 1 || report->field[0]->report_count != 1)
+ return -ENODEV;
+
+ data->lcd_brightness = bdev->props.brightness & 0x0ff;
+ data->lcd_power = bdev->props.power;
+ spin_lock_irqsave(&data->lock, flags);
+ hid_set_field(report->field[0], 0, data->lcd_power == FB_BLANK_UNBLANK ? data->lcd_brightness : 0);
+ if (!(data->status & PICOLCD_FAILED))
+ usbhid_submit_report(data->hdev, report, USB_DIR_OUT);
+ spin_unlock_irqrestore(&data->lock, flags);
+ return 0;
+}
+
+static int picolcd_check_bl_fb(struct backlight_device *bdev, struct fb_info *fb)
+{
+ return fb && fb == picolcd_fbinfo((struct picolcd_data *)bl_get_data(bdev));
+}
+
+static const struct backlight_ops picolcd_blops = {
+ .update_status = picolcd_set_brightness,
+ .get_brightness = picolcd_get_brightness,
+ .check_fb = picolcd_check_bl_fb,
+};
+
+int picolcd_init_backlight(struct picolcd_data *data, struct hid_report *report)
+{
+ struct device *dev = &data->hdev->dev;
+ struct backlight_device *bdev;
+ struct backlight_properties props;
+ if (!report)
+ return -ENODEV;
+ if (report->maxfield != 1 || report->field[0]->report_count != 1 ||
+ report->field[0]->report_size != 8) {
+ dev_err(dev, "unsupported BRIGHTNESS report");
+ return -EINVAL;
+ }
+
+ memset(&props, 0, sizeof(props));
+ props.type = BACKLIGHT_RAW;
+ props.max_brightness = 0xff;
+ bdev = backlight_device_register(dev_name(dev), dev, data,
+ &picolcd_blops, &props);
+ if (IS_ERR(bdev)) {
+ dev_err(dev, "failed to register backlight\n");
+ return PTR_ERR(bdev);
+ }
+ bdev->props.brightness = 0xff;
+ data->lcd_brightness = 0xff;
+ data->backlight = bdev;
+ picolcd_set_brightness(bdev);
+ return 0;
+}
+
+void picolcd_exit_backlight(struct picolcd_data *data)
+{
+ struct backlight_device *bdev = data->backlight;
+
+ data->backlight = NULL;
+ if (bdev)
+ backlight_device_unregister(bdev);
+}
+
+int picolcd_resume_backlight(struct picolcd_data *data)
+{
+ if (!data->backlight)
+ return 0;
+ return picolcd_set_brightness(data->backlight);
+}
+
+#ifdef CONFIG_PM
+void picolcd_suspend_backlight(struct picolcd_data *data)
+{
+ int bl_power = data->lcd_power;
+ if (!data->backlight)
+ return;
+
+ data->backlight->props.power = FB_BLANK_POWERDOWN;
+ picolcd_set_brightness(data->backlight);
+ data->lcd_power = data->backlight->props.power = bl_power;
+}
+#endif /* CONFIG_PM */
+
diff --git a/drivers/hid/hid-picolcd_cir.c b/drivers/hid/hid-picolcd_cir.c
new file mode 100644
index 00000000000..13ca9191b63
--- /dev/null
+++ b/drivers/hid/hid-picolcd_cir.c
@@ -0,0 +1,152 @@
+/***************************************************************************
+ * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> *
+ * *
+ * Based on Logitech G13 driver (v0.4) *
+ * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> *
+ * *
+ * This program is free software: you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation, version 2 of the License. *
+ * *
+ * This driver is distributed in the hope that it will be useful, but *
+ * WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this software. If not see <http://www.gnu.org/licenses/>. *
+ ***************************************************************************/
+
+#include <linux/hid.h>
+#include <linux/hid-debug.h>
+#include <linux/input.h>
+#include "hid-ids.h"
+#include "usbhid/usbhid.h"
+#include <linux/usb.h>
+
+#include <linux/fb.h>
+#include <linux/vmalloc.h>
+#include <linux/backlight.h>
+#include <linux/lcd.h>
+
+#include <linux/leds.h>
+
+#include <linux/seq_file.h>
+#include <linux/debugfs.h>
+
+#include <linux/completion.h>
+#include <linux/uaccess.h>
+#include <linux/module.h>
+#include <media/rc-core.h>
+
+#include "hid-picolcd.h"
+
+
+int picolcd_raw_cir(struct picolcd_data *data,
+ struct hid_report *report, u8 *raw_data, int size)
+{
+ unsigned long flags;
+ int i, w, sz;
+ DEFINE_IR_RAW_EVENT(rawir);
+
+ /* ignore if rc_dev is NULL or status is shunned */
+ spin_lock_irqsave(&data->lock, flags);
+ if (!data->rc_dev || (data->status & PICOLCD_CIR_SHUN)) {
+ spin_unlock_irqrestore(&data->lock, flags);
+ return 1;
+ }
+ spin_unlock_irqrestore(&data->lock, flags);
+
+ /* PicoLCD USB packets contain 16-bit intervals in network order,
+ * with value negated for pulse. Intervals are in microseconds.
+ *
+ * Note: some userspace LIRC code for PicoLCD says negated values
+ * for space - is it a matter of IR chip? (pulse for my TSOP2236)
+ *
+ * In addition, the first interval seems to be around 15000 + base
+ * interval for non-first report of IR data - thus the quirk below
+ * to get RC_CODE to understand Sony and JVC remotes I have at hand
+ */
+ sz = size > 0 ? min((int)raw_data[0], size-1) : 0;
+ for (i = 0; i+1 < sz; i += 2) {
+ init_ir_raw_event(&rawir);
+ w = (raw_data[i] << 8) | (raw_data[i+1]);
+ rawir.pulse = !!(w & 0x8000);
+ rawir.duration = US_TO_NS(rawir.pulse ? (65536 - w) : w);
+ /* Quirk!! - see above */
+ if (i == 0 && rawir.duration > 15000000)
+ rawir.duration -= 15000000;
+ ir_raw_event_store(data->rc_dev, &rawir);
+ }
+ ir_raw_event_handle(data->rc_dev);
+
+ return 1;
+}
+
+static int picolcd_cir_open(struct rc_dev *dev)
+{
+ struct picolcd_data *data = dev->priv;
+ unsigned long flags;
+
+ spin_lock_irqsave(&data->lock, flags);
+ data->status &= ~PICOLCD_CIR_SHUN;
+ spin_unlock_irqrestore(&data->lock, flags);
+ return 0;
+}
+
+static void picolcd_cir_close(struct rc_dev *dev)
+{
+ struct picolcd_data *data = dev->priv;
+ unsigned long flags;
+
+ spin_lock_irqsave(&data->lock, flags);
+ data->status |= PICOLCD_CIR_SHUN;
+ spin_unlock_irqrestore(&data->lock, flags);
+}
+
+/* initialize CIR input device */
+int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report)
+{
+ struct rc_dev *rdev;
+ int ret = 0;
+
+ rdev = rc_allocate_device();
+ if (!rdev)
+ return -ENOMEM;
+
+ rdev->priv = data;
+ rdev->driver_type = RC_DRIVER_IR_RAW;
+ rdev->allowed_protos = RC_TYPE_ALL;
+ rdev->open = picolcd_cir_open;
+ rdev->close = picolcd_cir_close;
+ rdev->input_name = data->hdev->name;
+ rdev->input_phys = data->hdev->phys;
+ rdev->input_id.bustype = data->hdev->bus;
+ rdev->input_id.vendor = data->hdev->vendor;
+ rdev->input_id.product = data->hdev->product;
+ rdev->input_id.version = data->hdev->version;
+ rdev->dev.parent = &data->hdev->dev;
+ rdev->driver_name = PICOLCD_NAME;
+ rdev->map_name = RC_MAP_RC6_MCE;
+ rdev->timeout = MS_TO_NS(100);
+ rdev->rx_resolution = US_TO_NS(1);
+
+ ret = rc_register_device(rdev);
+ if (ret)
+ goto err;
+ data->rc_dev = rdev;
+ return 0;
+
+err:
+ rc_free_device(rdev);
+ return ret;
+}
+
+void picolcd_exit_cir(struct picolcd_data *data)
+{
+ struct rc_dev *rdev = data->rc_dev;
+
+ data->rc_dev = NULL;
+ rc_unregister_device(rdev);
+}
+
diff --git a/drivers/hid/hid-picolcd_core.c b/drivers/hid/hid-picolcd_core.c
new file mode 100644
index 00000000000..86df26e58ab
--- /dev/null
+++ b/drivers/hid/hid-picolcd_core.c
@@ -0,0 +1,689 @@
+/***************************************************************************
+ * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> *
+ * *
+ * Based on Logitech G13 driver (v0.4) *
+ * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> *
+ * *
+ * This program is free software: you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation, version 2 of the License. *
+ * *
+ * This driver is distributed in the hope that it will be useful, but *
+ * WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this software. If not see <http://www.gnu.org/licenses/>. *
+ ***************************************************************************/
+
+#include <linux/hid.h>
+#include <linux/hid-debug.h>
+#include <linux/input.h>
+#include "hid-ids.h"
+#include "usbhid/usbhid.h"
+#include <linux/usb.h>
+
+#include <linux/fb.h>
+#include <linux/vmalloc.h>
+
+#include <linux/completion.h>
+#include <linux/uaccess.h>
+#include <linux/module.h>
+
+#include "hid-picolcd.h"
+
+
+/* Input device
+ *
+ * The PicoLCD has an IR receiver header, a built-in keypad with 5 keys
+ * and header for 4x4 key matrix. The built-in keys are part of the matrix.
+ */
+static const unsigned short def_keymap[PICOLCD_KEYS] = {
+ KEY_RESERVED, /* none */
+ KEY_BACK, /* col 4 + row 1 */
+ KEY_HOMEPAGE, /* col 3 + row 1 */
+ KEY_RESERVED, /* col 2 + row 1 */
+ KEY_RESERVED, /* col 1 + row 1 */
+ KEY_SCROLLUP, /* col 4 + row 2 */
+ KEY_OK, /* col 3 + row 2 */
+ KEY_SCROLLDOWN, /* col 2 + row 2 */
+ KEY_RESERVED, /* col 1 + row 2 */
+ KEY_RESERVED, /* col 4 + row 3 */
+ KEY_RESERVED, /* col 3 + row 3 */
+ KEY_RESERVED, /* col 2 + row 3 */
+ KEY_RESERVED, /* col 1 + row 3 */
+ KEY_RESERVED, /* col 4 + row 4 */
+ KEY_RESERVED, /* col 3 + row 4 */
+ KEY_RESERVED, /* col 2 + row 4 */
+ KEY_RESERVED, /* col 1 + row 4 */
+};
+
+
+/* Find a given report */
+struct hid_report *picolcd_report(int id, struct hid_device *hdev, int dir)
+{
+ struct list_head *feature_report_list = &hdev->report_enum[dir].report_list;
+ struct hid_report *report = NULL;
+
+ list_for_each_entry(report, feature_report_list, list) {
+ if (report->id == id)
+ return report;
+ }
+ hid_warn(hdev, "No report with id 0x%x found\n", id);
+ return NULL;
+}
+
+/* Submit a report and wait for a reply from device - if device fades away
+ * or does not respond in time, return NULL */
+struct picolcd_pending *picolcd_send_and_wait(struct hid_device *hdev,
+ int report_id, const u8 *raw_data, int size)
+{
+ struct picolcd_data *data = hid_get_drvdata(hdev);
+ struct picolcd_pending *work;
+ struct hid_report *report = picolcd_out_report(report_id, hdev);
+ unsigned long flags;
+ int i, j, k;
+
+ if (!report || !data)
+ return NULL;
+ if (data->status & PICOLCD_FAILED)
+ return NULL;
+ work = kzalloc(sizeof(*work), GFP_KERNEL);
+ if (!work)
+ return NULL;
+
+ init_completion(&work->ready);
+ work->out_report = report;
+ work->in_report = NULL;
+ work->raw_size = 0;
+
+ mutex_lock(&data->mutex);
+ spin_lock_irqsave(&data->lock, flags);
+ for (i = k = 0; i < report->maxfield; i++)
+ for (j = 0; j < report->field[i]->report_count; j++) {
+ hid_set_field(report->field[i], j, k < size ? raw_data[k] : 0);
+ k++;
+ }
+ if (data->status & PICOLCD_FAILED) {
+ kfree(work);
+ work = NULL;
+ } else {
+ data->pending = work;
+ usbhid_submit_report(data->hdev, report, USB_DIR_OUT);
+ spin_unlock_irqrestore(&data->lock, flags);
+ wait_for_completion_interruptible_timeout(&work->ready, HZ*2);
+ spin_lock_irqsave(&data->lock, flags);
+ data->pending = NULL;
+ }
+ spin_unlock_irqrestore(&data->lock, flags);
+ mutex_unlock(&data->mutex);
+ return work;
+}
+
+/*
+ * input class device
+ */
+static int picolcd_raw_keypad(struct picolcd_data *data,
+ struct hid_report *report, u8 *raw_data, int size)
+{
+ /*
+ * Keypad event
+ * First and second data bytes list currently pressed keys,
+ * 0x00 means no key and at most 2 keys may be pressed at same time
+ */
+ int i, j;
+
+ /* determine newly pressed keys */
+ for (i = 0; i < size; i++) {
+ unsigned int key_code;
+ if (raw_data[i] == 0)
+ continue;
+ for (j = 0; j < sizeof(data->pressed_keys); j++)
+ if (data->pressed_keys[j] == raw_data[i])
+ goto key_already_down;
+ for (j = 0; j < sizeof(data->pressed_keys); j++)
+ if (data->pressed_keys[j] == 0) {
+ data->pressed_keys[j] = raw_data[i];
+ break;
+ }
+ input_event(data->input_keys, EV_MSC, MSC_SCAN, raw_data[i]);
+ if (raw_data[i] < PICOLCD_KEYS)
+ key_code = data->keycode[raw_data[i]];
+ else
+ key_code = KEY_UNKNOWN;
+ if (key_code != KEY_UNKNOWN) {
+ dbg_hid(PICOLCD_NAME " got key press for %u:%d",
+ raw_data[i], key_code);
+ input_report_key(data->input_keys, key_code, 1);
+ }
+ input_sync(data->input_keys);
+key_already_down:
+ continue;
+ }
+
+ /* determine newly released keys */
+ for (j = 0; j < sizeof(data->pressed_keys); j++) {
+ unsigned int key_code;
+ if (data->pressed_keys[j] == 0)
+ continue;
+ for (i = 0; i < size; i++)
+ if (data->pressed_keys[j] == raw_data[i])
+ goto key_still_down;
+ input_event(data->input_keys, EV_MSC, MSC_SCAN, data->pressed_keys[j]);
+ if (data->pressed_keys[j] < PICOLCD_KEYS)
+ key_code = data->keycode[data->pressed_keys[j]];
+ else
+ key_code = KEY_UNKNOWN;
+ if (key_code != KEY_UNKNOWN) {
+ dbg_hid(PICOLCD_NAME " got key release for %u:%d",
+ data->pressed_keys[j], key_code);
+ input_report_key(data->input_keys, key_code, 0);
+ }
+ input_sync(data->input_keys);
+ data->pressed_keys[j] = 0;
+key_still_down:
+ continue;
+ }
+ return 1;
+}
+
+static int picolcd_check_version(struct hid_device *hdev)
+{
+ struct picolcd_data *data = hid_get_drvdata(hdev);
+ struct picolcd_pending *verinfo;
+ int ret = 0;
+
+ if (!data)
+ return -ENODEV;
+
+ verinfo = picolcd_send_and_wait(hdev, REPORT_VERSION, NULL, 0);
+ if (!verinfo) {
+ hid_err(hdev, "no version response from PicoLCD\n");
+ return -ENODEV;
+ }
+
+ if (verinfo->raw_size == 2) {
+ data->version[0] = verinfo->raw_data[1];
+ data->version[1] = verinfo->raw_data[0];
+ if (data->status & PICOLCD_BOOTLOADER) {
+ hid_info(hdev, "PicoLCD, bootloader version %d.%d\n",
+ verinfo->raw_data[1], verinfo->raw_data[0]);
+ } else {
+ hid_info(hdev, "PicoLCD, firmware version %d.%d\n",
+ verinfo->raw_data[1], verinfo->raw_data[0]);
+ }
+ } else {
+ hid_err(hdev, "confused, got unexpected version response from PicoLCD\n");
+ ret = -EINVAL;
+ }
+ kfree(verinfo);
+ return ret;
+}
+
+/*
+ * Reset our device and wait for answer to VERSION request
+ */
+int picolcd_reset(struct hid_device *hdev)
+{
+ struct picolcd_data *data = hid_get_drvdata(hdev);
+ struct hid_report *report = picolcd_out_report(REPORT_RESET, hdev);
+ unsigned long flags;
+ int error;
+
+ if (!data || !report || report->maxfield != 1)
+ return -ENODEV;
+
+ spin_lock_irqsave(&data->lock, flags);
+ if (hdev->product == USB_DEVICE_ID_PICOLCD_BOOTLOADER)
+ data->status |= PICOLCD_BOOTLOADER;
+
+ /* perform the reset */
+ hid_set_field(report->field[0], 0, 1);
+ if (data->status & PICOLCD_FAILED) {
+ spin_unlock_irqrestore(&data->lock, flags);
+ return -ENODEV;
+ }
+ usbhid_submit_report(hdev, report, USB_DIR_OUT);
+ spin_unlock_irqrestore(&data->lock, flags);
+
+ error = picolcd_check_version(hdev);
+ if (error)
+ return error;
+
+ picolcd_resume_lcd(data);
+ picolcd_resume_backlight(data);
+ picolcd_fb_refresh(data);
+ picolcd_leds_set(data);
+ return 0;
+}
+
+/*
+ * The "operation_mode" sysfs attribute
+ */
+static ssize_t picolcd_operation_mode_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct picolcd_data *data = dev_get_drvdata(dev);
+
+ if (data->status & PICOLCD_BOOTLOADER)
+ return snprintf(buf, PAGE_SIZE, "[bootloader] lcd\n");
+ else
+ return snprintf(buf, PAGE_SIZE, "bootloader [lcd]\n");
+}
+
+static ssize_t picolcd_operation_mode_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct picolcd_data *data = dev_get_drvdata(dev);
+ struct hid_report *report = NULL;
+ size_t cnt = count;
+ int timeout = data->opmode_delay;
+ unsigned long flags;
+
+ if (cnt >= 3 && strncmp("lcd", buf, 3) == 0) {
+ if (data->status & PICOLCD_BOOTLOADER)
+ report = picolcd_out_report(REPORT_EXIT_FLASHER, data->hdev);
+ buf += 3;
+ cnt -= 3;
+ } else if (cnt >= 10 && strncmp("bootloader", buf, 10) == 0) {
+ if (!(data->status & PICOLCD_BOOTLOADER))
+ report = picolcd_out_report(REPORT_EXIT_KEYBOARD, data->hdev);
+ buf += 10;
+ cnt -= 10;
+ }
+ if (!report)
+ return -EINVAL;
+
+ while (cnt > 0 && (buf[cnt-1] == '\n' || buf[cnt-1] == '\r'))
+ cnt--;
+ if (cnt != 0)
+ return -EINVAL;
+
+ spin_lock_irqsave(&data->lock, flags);
+ hid_set_field(report->field[0], 0, timeout & 0xff);
+ hid_set_field(report->field[0], 1, (timeout >> 8) & 0xff);
+ usbhid_submit_report(data->hdev, report, USB_DIR_OUT);
+ spin_unlock_irqrestore(&data->lock, flags);
+ return count;
+}
+
+static DEVICE_ATTR(operation_mode, 0644, picolcd_operation_mode_show,
+ picolcd_operation_mode_store);
+
+/*
+ * The "operation_mode_delay" sysfs attribute
+ */
+static ssize_t picolcd_operation_mode_delay_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct picolcd_data *data = dev_get_drvdata(dev);
+
+ return snprintf(buf, PAGE_SIZE, "%hu\n", data->opmode_delay);
+}
+
+static ssize_t picolcd_operation_mode_delay_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct picolcd_data *data = dev_get_drvdata(dev);
+ unsigned u;
+ if (sscanf(buf, "%u", &u) != 1)
+ return -EINVAL;
+ if (u > 30000)
+ return -EINVAL;
+ else
+ data->opmode_delay = u;
+ return count;
+}
+
+static DEVICE_ATTR(operation_mode_delay, 0644, picolcd_operation_mode_delay_show,
+ picolcd_operation_mode_delay_store);
+
+/*
+ * Handle raw report as sent by device
+ */
+static int picolcd_raw_event(struct hid_device *hdev,
+ struct hid_report *report, u8 *raw_data, int size)
+{
+ struct picolcd_data *data = hid_get_drvdata(hdev);
+ unsigned long flags;
+ int ret = 0;
+
+ if (!data)
+ return 1;
+
+ if (report->id == REPORT_KEY_STATE) {
+ if (data->input_keys)
+ ret = picolcd_raw_keypad(data, report, raw_data+1, size-1);
+ } else if (report->id == REPORT_IR_DATA) {
+ ret = picolcd_raw_cir(data, report, raw_data+1, size-1);
+ } else {
+ spin_lock_irqsave(&data->lock, flags);
+ /*
+ * We let the caller of picolcd_send_and_wait() check if the
+ * report we got is one of the expected ones or not.
+ */
+ if (data->pending) {
+ memcpy(data->pending->raw_data, raw_data+1, size-1);
+ data->pending->raw_size = size-1;
+ data->pending->in_report = report;
+ complete(&data->pending->ready);
+ }
+ spin_unlock_irqrestore(&data->lock, flags);
+ }
+
+ picolcd_debug_raw_event(data, hdev, report, raw_data, size);
+ return 1;
+}
+
+#ifdef CONFIG_PM
+static int picolcd_suspend(struct hid_device *hdev, pm_message_t message)
+{
+ if (PMSG_IS_AUTO(message))
+ return 0;
+
+ picolcd_suspend_backlight(hid_get_drvdata(hdev));
+ dbg_hid(PICOLCD_NAME " device ready for suspend\n");
+ return 0;
+}
+
+static int picolcd_resume(struct hid_device *hdev)
+{
+ int ret;
+ ret = picolcd_resume_backlight(hid_get_drvdata(hdev));
+ if (ret)
+ dbg_hid(PICOLCD_NAME " restoring backlight failed: %d\n", ret);
+ return 0;
+}
+
+static int picolcd_reset_resume(struct hid_device *hdev)
+{
+ int ret;
+ ret = picolcd_reset(hdev);
+ if (ret)
+ dbg_hid(PICOLCD_NAME " resetting our device failed: %d\n", ret);
+ ret = picolcd_fb_reset(hid_get_drvdata(hdev), 0);
+ if (ret)
+ dbg_hid(PICOLCD_NAME " restoring framebuffer content failed: %d\n", ret);
+ ret = picolcd_resume_lcd(hid_get_drvdata(hdev));
+ if (ret)
+ dbg_hid(PICOLCD_NAME " restoring lcd failed: %d\n", ret);
+ ret = picolcd_resume_backlight(hid_get_drvdata(hdev));
+ if (ret)
+ dbg_hid(PICOLCD_NAME " restoring backlight failed: %d\n", ret);
+ picolcd_leds_set(hid_get_drvdata(hdev));
+ return 0;
+}
+#endif
+
+/* initialize keypad input device */
+static int picolcd_init_keys(struct picolcd_data *data,
+ struct hid_report *report)
+{
+ struct hid_device *hdev = data->hdev;
+ struct input_dev *idev;
+ int error, i;
+
+ if (!report)
+ return -ENODEV;
+ if (report->maxfield != 1 || report->field[0]->report_count != 2 ||
+ report->field[0]->report_size != 8) {
+ hid_err(hdev, "unsupported KEY_STATE report\n");
+ return -EINVAL;
+ }
+
+ idev = input_allocate_device();
+ if (idev == NULL) {
+ hid_err(hdev, "failed to allocate input device\n");
+ return -ENOMEM;
+ }
+ input_set_drvdata(idev, hdev);
+ memcpy(data->keycode, def_keymap, sizeof(def_keymap));
+ idev->name = hdev->name;
+ idev->phys = hdev->phys;
+ idev->uniq = hdev->uniq;
+ idev->id.bustype = hdev->bus;
+ idev->id.vendor = hdev->vendor;
+ idev->id.product = hdev->product;
+ idev->id.version = hdev->version;
+ idev->dev.parent = &hdev->dev;
+ idev->keycode = &data->keycode;
+ idev->keycodemax = PICOLCD_KEYS;
+ idev->keycodesize = sizeof(data->keycode[0]);
+ input_set_capability(idev, EV_MSC, MSC_SCAN);
+ set_bit(EV_REP, idev->evbit);
+ for (i = 0; i < PICOLCD_KEYS; i++)
+ input_set_capability(idev, EV_KEY, data->keycode[i]);
+ error = input_register_device(idev);
+ if (error) {
+ hid_err(hdev, "error registering the input device\n");
+ input_free_device(idev);
+ return error;
+ }
+ data->input_keys = idev;
+ return 0;
+}
+
+static void picolcd_exit_keys(struct picolcd_data *data)
+{
+ struct input_dev *idev = data->input_keys;
+
+ data->input_keys = NULL;
+ if (idev)
+ input_unregister_device(idev);
+}
+
+static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data)
+{
+ int error;
+
+ /* Setup keypad input device */
+ error = picolcd_init_keys(data, picolcd_in_report(REPORT_KEY_STATE, hdev));
+ if (error)
+ goto err;
+
+ /* Setup CIR input device */
+ error = picolcd_init_cir(data, picolcd_in_report(REPORT_IR_DATA, hdev));
+ if (error)
+ goto err;
+
+ /* Set up the framebuffer device */
+ error = picolcd_init_framebuffer(data);
+ if (error)
+ goto err;
+
+ /* Setup lcd class device */
+ error = picolcd_init_lcd(data, picolcd_out_report(REPORT_CONTRAST, hdev));
+ if (error)
+ goto err;
+
+ /* Setup backlight class device */
+ error = picolcd_init_backlight(data, picolcd_out_report(REPORT_BRIGHTNESS, hdev));
+ if (error)
+ goto err;
+
+ /* Setup the LED class devices */
+ error = picolcd_init_leds(data, picolcd_out_report(REPORT_LED_STATE, hdev));
+ if (error)
+ goto err;
+
+ picolcd_init_devfs(data, picolcd_out_report(REPORT_EE_READ, hdev),
+ picolcd_out_report(REPORT_EE_WRITE, hdev),
+ picolcd_out_report(REPORT_READ_MEMORY, hdev),
+ picolcd_out_report(REPORT_WRITE_MEMORY, hdev),
+ picolcd_out_report(REPORT_RESET, hdev));
+ return 0;
+err:
+ picolcd_exit_leds(data);
+ picolcd_exit_backlight(data);
+ picolcd_exit_lcd(data);
+ picolcd_exit_framebuffer(data);
+ picolcd_exit_cir(data);
+ picolcd_exit_keys(data);
+ return error;
+}
+
+static int picolcd_probe_bootloader(struct hid_device *hdev, struct picolcd_data *data)
+{
+ picolcd_init_devfs(data, NULL, NULL,
+ picolcd_out_report(REPORT_BL_READ_MEMORY, hdev),
+ picolcd_out_report(REPORT_BL_WRITE_MEMORY, hdev), NULL);
+ return 0;
+}
+
+static int picolcd_probe(struct hid_device *hdev,
+ const struct hid_device_id *id)
+{
+ struct picolcd_data *data;
+ int error = -ENOMEM;
+
+ dbg_hid(PICOLCD_NAME " hardware probe...\n");
+
+ /*
+ * Let's allocate the picolcd data structure, set some reasonable
+ * defaults, and associate it with the device
+ */
+ data = kzalloc(sizeof(struct picolcd_data), GFP_KERNEL);
+ if (data == NULL) {
+ hid_err(hdev, "can't allocate space for Minibox PicoLCD device data\n");
+ error = -ENOMEM;
+ goto err_no_cleanup;
+ }
+
+ spin_lock_init(&data->lock);
+ mutex_init(&data->mutex);
+ data->hdev = hdev;
+ data->opmode_delay = 5000;
+ if (hdev->product == USB_DEVICE_ID_PICOLCD_BOOTLOADER)
+ data->status |= PICOLCD_BOOTLOADER;
+ hid_set_drvdata(hdev, data);
+
+ /* Parse the device reports and start it up */
+ error = hid_parse(hdev);
+ if (error) {
+ hid_err(hdev, "device report parse failed\n");
+ goto err_cleanup_data;
+ }
+
+ error = hid_hw_start(hdev, 0);
+ if (error) {
+ hid_err(hdev, "hardware start failed\n");
+ goto err_cleanup_data;
+ }
+
+ error = hid_hw_open(hdev);
+ if (error) {
+ hid_err(hdev, "failed to open input interrupt pipe for key and IR events\n");
+ goto err_cleanup_hid_hw;
+ }
+
+ error = device_create_file(&hdev->dev, &dev_attr_operation_mode_delay);
+ if (error) {
+ hid_err(hdev, "failed to create sysfs attributes\n");
+ goto err_cleanup_hid_ll;
+ }
+
+ error = device_create_file(&hdev->dev, &dev_attr_operation_mode);
+ if (error) {
+ hid_err(hdev, "failed to create sysfs attributes\n");
+ goto err_cleanup_sysfs1;
+ }
+
+ if (data->status & PICOLCD_BOOTLOADER)
+ error = picolcd_probe_bootloader(hdev, data);
+ else
+ error = picolcd_probe_lcd(hdev, data);
+ if (error)
+ goto err_cleanup_sysfs2;
+
+ dbg_hid(PICOLCD_NAME " activated and initialized\n");
+ return 0;
+
+err_cleanup_sysfs2:
+ device_remove_file(&hdev->dev, &dev_attr_operation_mode);
+err_cleanup_sysfs1:
+ device_remove_file(&hdev->dev, &dev_attr_operation_mode_delay);
+err_cleanup_hid_ll:
+ hid_hw_close(hdev);
+err_cleanup_hid_hw:
+ hid_hw_stop(hdev);
+err_cleanup_data:
+ kfree(data);
+err_no_cleanup:
+ hid_set_drvdata(hdev, NULL);
+
+ return error;
+}
+
+static void picolcd_remove(struct hid_device *hdev)
+{
+ struct picolcd_data *data = hid_get_drvdata(hdev);
+ unsigned long flags;
+
+ dbg_hid(PICOLCD_NAME " hardware remove...\n");
+ spin_lock_irqsave(&data->lock, flags);
+ data->status |= PICOLCD_FAILED;
+ spin_unlock_irqrestore(&data->lock, flags);
+
+ picolcd_exit_devfs(data);
+ device_remove_file(&hdev->dev, &dev_attr_operation_mode);
+ device_remove_file(&hdev->dev, &dev_attr_operation_mode_delay);
+ hid_hw_close(hdev);
+ hid_hw_stop(hdev);
+
+ /* Shortcut potential pending reply that will never arrive */
+ spin_lock_irqsave(&data->lock, flags);
+ if (data->pending)
+ complete(&data->pending->ready);
+ spin_unlock_irqrestore(&data->lock, flags);
+
+ /* Cleanup LED */
+ picolcd_exit_leds(data);
+ /* Clean up the framebuffer */
+ picolcd_exit_backlight(data);
+ picolcd_exit_lcd(data);
+ picolcd_exit_framebuffer(data);
+ /* Cleanup input */
+ picolcd_exit_cir(data);
+ picolcd_exit_keys(data);
+
+ hid_set_drvdata(hdev, NULL);
+ mutex_destroy(&data->mutex);
+ /* Finally, clean up the picolcd data itself */
+ kfree(data);
+}
+
+static const struct hid_device_id picolcd_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, picolcd_devices);
+
+static struct hid_driver picolcd_driver = {
+ .name = "hid-picolcd",
+ .id_table = picolcd_devices,
+ .probe = picolcd_probe,
+ .remove = picolcd_remove,
+ .raw_event = picolcd_raw_event,
+#ifdef CONFIG_PM
+ .suspend = picolcd_suspend,
+ .resume = picolcd_resume,
+ .reset_resume = picolcd_reset_resume,
+#endif
+};
+
+static int __init picolcd_init(void)
+{
+ return hid_register_driver(&picolcd_driver);
+}
+
+static void __exit picolcd_exit(void)
+{
+ hid_unregister_driver(&picolcd_driver);
+}
+
+module_init(picolcd_init);
+module_exit(picolcd_exit);
+MODULE_DESCRIPTION("Minibox graphics PicoLCD Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/hid/hid-picolcd_debugfs.c b/drivers/hid/hid-picolcd_debugfs.c
new file mode 100644
index 00000000000..4809aa1bdb9
--- /dev/null
+++ b/drivers/hid/hid-picolcd_debugfs.c
@@ -0,0 +1,899 @@
+/***************************************************************************
+ * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> *
+ * *
+ * Based on Logitech G13 driver (v0.4) *
+ * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> *
+ * *
+ * This program is free software: you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation, version 2 of the License. *
+ * *
+ * This driver is distributed in the hope that it will be useful, but *
+ * WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this software. If not see <http://www.gnu.org/licenses/>. *
+ ***************************************************************************/
+
+#include <linux/hid.h>
+#include <linux/hid-debug.h>
+#include "usbhid/usbhid.h"
+#include <linux/usb.h>
+
+#include <linux/fb.h>
+#include <linux/seq_file.h>
+#include <linux/debugfs.h>
+
+#include <linux/module.h>
+#include <linux/uaccess.h>
+
+#include "hid-picolcd.h"
+
+
+static int picolcd_debug_reset_show(struct seq_file *f, void *p)
+{
+ if (picolcd_fbinfo((struct picolcd_data *)f->private))
+ seq_printf(f, "all fb\n");
+ else
+ seq_printf(f, "all\n");
+ return 0;
+}
+
+static int picolcd_debug_reset_open(struct inode *inode, struct file *f)
+{
+ return single_open(f, picolcd_debug_reset_show, inode->i_private);
+}
+
+static ssize_t picolcd_debug_reset_write(struct file *f, const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct picolcd_data *data = ((struct seq_file *)f->private_data)->private;
+ char buf[32];
+ size_t cnt = min(count, sizeof(buf)-1);
+ if (copy_from_user(buf, user_buf, cnt))
+ return -EFAULT;
+
+ while (cnt > 0 && (buf[cnt-1] == ' ' || buf[cnt-1] == '\n'))
+ cnt--;
+ buf[cnt] = '\0';
+ if (strcmp(buf, "all") == 0) {
+ picolcd_reset(data->hdev);
+ picolcd_fb_reset(data, 1);
+ } else if (strcmp(buf, "fb") == 0) {
+ picolcd_fb_reset(data, 1);
+ } else {
+ return -EINVAL;
+ }
+ return count;
+}
+
+static const struct file_operations picolcd_debug_reset_fops = {
+ .owner = THIS_MODULE,
+ .open = picolcd_debug_reset_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .write = picolcd_debug_reset_write,
+ .release = single_release,
+};
+
+/*
+ * The "eeprom" file
+ */
+static ssize_t picolcd_debug_eeprom_read(struct file *f, char __user *u,
+ size_t s, loff_t *off)
+{
+ struct picolcd_data *data = f->private_data;
+ struct picolcd_pending *resp;
+ u8 raw_data[3];
+ ssize_t ret = -EIO;
+
+ if (s == 0)
+ return -EINVAL;
+ if (*off > 0x0ff)
+ return 0;
+
+ /* prepare buffer with info about what we want to read (addr & len) */
+ raw_data[0] = *off & 0xff;
+ raw_data[1] = (*off >> 8) & 0xff;
+ raw_data[2] = s < 20 ? s : 20;
+ if (*off + raw_data[2] > 0xff)
+ raw_data[2] = 0x100 - *off;
+ resp = picolcd_send_and_wait(data->hdev, REPORT_EE_READ, raw_data,
+ sizeof(raw_data));
+ if (!resp)
+ return -EIO;
+
+ if (resp->in_report && resp->in_report->id == REPORT_EE_DATA) {
+ /* successful read :) */
+ ret = resp->raw_data[2];
+ if (ret > s)
+ ret = s;
+ if (copy_to_user(u, resp->raw_data+3, ret))
+ ret = -EFAULT;
+ else
+ *off += ret;
+ } /* anything else is some kind of IO error */
+
+ kfree(resp);
+ return ret;
+}
+
+static ssize_t picolcd_debug_eeprom_write(struct file *f, const char __user *u,
+ size_t s, loff_t *off)
+{
+ struct picolcd_data *data = f->private_data;
+ struct picolcd_pending *resp;
+ ssize_t ret = -EIO;
+ u8 raw_data[23];
+
+ if (s == 0)
+ return -EINVAL;
+ if (*off > 0x0ff)
+ return -ENOSPC;
+
+ memset(raw_data, 0, sizeof(raw_data));
+ raw_data[0] = *off & 0xff;
+ raw_data[1] = (*off >> 8) & 0xff;
+ raw_data[2] = min_t(size_t, 20, s);
+ if (*off + raw_data[2] > 0xff)
+ raw_data[2] = 0x100 - *off;
+
+ if (copy_from_user(raw_data+3, u, min((u8)20, raw_data[2])))
+ return -EFAULT;
+ resp = picolcd_send_and_wait(data->hdev, REPORT_EE_WRITE, raw_data,
+ sizeof(raw_data));
+
+ if (!resp)
+ return -EIO;
+
+ if (resp->in_report && resp->in_report->id == REPORT_EE_DATA) {
+ /* check if written data matches */
+ if (memcmp(raw_data, resp->raw_data, 3+raw_data[2]) == 0) {
+ *off += raw_data[2];
+ ret = raw_data[2];
+ }
+ }
+ kfree(resp);
+ return ret;
+}
+
+/*
+ * Notes:
+ * - read/write happens in chunks of at most 20 bytes, it's up to userspace
+ * to loop in order to get more data.
+ * - on write errors on otherwise correct write request the bytes
+ * that should have been written are in undefined state.
+ */
+static const struct file_operations picolcd_debug_eeprom_fops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .read = picolcd_debug_eeprom_read,
+ .write = picolcd_debug_eeprom_write,
+ .llseek = generic_file_llseek,
+};
+
+/*
+ * The "flash" file
+ */
+/* record a flash address to buf (bounds check to be done by caller) */
+static int _picolcd_flash_setaddr(struct picolcd_data *data, u8 *buf, long off)
+{
+ buf[0] = off & 0xff;
+ buf[1] = (off >> 8) & 0xff;
+ if (data->addr_sz == 3)
+ buf[2] = (off >> 16) & 0xff;
+ return data->addr_sz == 2 ? 2 : 3;
+}
+
+/* read a given size of data (bounds check to be done by caller) */
+static ssize_t _picolcd_flash_read(struct picolcd_data *data, int report_id,
+ char __user *u, size_t s, loff_t *off)
+{
+ struct picolcd_pending *resp;
+ u8 raw_data[4];
+ ssize_t ret = 0;
+ int len_off, err = -EIO;
+
+ while (s > 0) {
+ err = -EIO;
+ len_off = _picolcd_flash_setaddr(data, raw_data, *off);
+ raw_data[len_off] = s > 32 ? 32 : s;
+ resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, len_off+1);
+ if (!resp || !resp->in_report)
+ goto skip;
+ if (resp->in_report->id == REPORT_MEMORY ||
+ resp->in_report->id == REPORT_BL_READ_MEMORY) {
+ if (memcmp(raw_data, resp->raw_data, len_off+1) != 0)
+ goto skip;
+ if (copy_to_user(u+ret, resp->raw_data+len_off+1, raw_data[len_off])) {
+ err = -EFAULT;
+ goto skip;
+ }
+ *off += raw_data[len_off];
+ s -= raw_data[len_off];
+ ret += raw_data[len_off];
+ err = 0;
+ }
+skip:
+ kfree(resp);
+ if (err)
+ return ret > 0 ? ret : err;
+ }
+ return ret;
+}
+
+static ssize_t picolcd_debug_flash_read(struct file *f, char __user *u,
+ size_t s, loff_t *off)
+{
+ struct picolcd_data *data = f->private_data;
+
+ if (s == 0)
+ return -EINVAL;
+ if (*off > 0x05fff)
+ return 0;
+ if (*off + s > 0x05fff)
+ s = 0x06000 - *off;
+
+ if (data->status & PICOLCD_BOOTLOADER)
+ return _picolcd_flash_read(data, REPORT_BL_READ_MEMORY, u, s, off);
+ else
+ return _picolcd_flash_read(data, REPORT_READ_MEMORY, u, s, off);
+}
+
+/* erase block aligned to 64bytes boundary */
+static ssize_t _picolcd_flash_erase64(struct picolcd_data *data, int report_id,
+ loff_t *off)
+{
+ struct picolcd_pending *resp;
+ u8 raw_data[3];
+ int len_off;
+ ssize_t ret = -EIO;
+
+ if (*off & 0x3f)
+ return -EINVAL;
+
+ len_off = _picolcd_flash_setaddr(data, raw_data, *off);
+ resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, len_off);
+ if (!resp || !resp->in_report)
+ goto skip;
+ if (resp->in_report->id == REPORT_MEMORY ||
+ resp->in_report->id == REPORT_BL_ERASE_MEMORY) {
+ if (memcmp(raw_data, resp->raw_data, len_off) != 0)
+ goto skip;
+ ret = 0;
+ }
+skip:
+ kfree(resp);
+ return ret;
+}
+
+/* write a given size of data (bounds check to be done by caller) */
+static ssize_t _picolcd_flash_write(struct picolcd_data *data, int report_id,
+ const char __user *u, size_t s, loff_t *off)
+{
+ struct picolcd_pending *resp;
+ u8 raw_data[36];
+ ssize_t ret = 0;
+ int len_off, err = -EIO;
+
+ while (s > 0) {
+ err = -EIO;
+ len_off = _picolcd_flash_setaddr(data, raw_data, *off);
+ raw_data[len_off] = s > 32 ? 32 : s;
+ if (copy_from_user(raw_data+len_off+1, u, raw_data[len_off])) {
+ err = -EFAULT;
+ break;
+ }
+ resp = picolcd_send_and_wait(data->hdev, report_id, raw_data,
+ len_off+1+raw_data[len_off]);
+ if (!resp || !resp->in_report)
+ goto skip;
+ if (resp->in_report->id == REPORT_MEMORY ||
+ resp->in_report->id == REPORT_BL_WRITE_MEMORY) {
+ if (memcmp(raw_data, resp->raw_data, len_off+1+raw_data[len_off]) != 0)
+ goto skip;
+ *off += raw_data[len_off];
+ s -= raw_data[len_off];
+ ret += raw_data[len_off];
+ err = 0;
+ }
+skip:
+ kfree(resp);
+ if (err)
+ break;
+ }
+ return ret > 0 ? ret : err;
+}
+
+static ssize_t picolcd_debug_flash_write(struct file *f, const char __user *u,
+ size_t s, loff_t *off)
+{
+ struct picolcd_data *data = f->private_data;
+ ssize_t err, ret = 0;
+ int report_erase, report_write;
+
+ if (s == 0)
+ return -EINVAL;
+ if (*off > 0x5fff)
+ return -ENOSPC;
+ if (s & 0x3f)
+ return -EINVAL;
+ if (*off & 0x3f)
+ return -EINVAL;
+
+ if (data->status & PICOLCD_BOOTLOADER) {
+ report_erase = REPORT_BL_ERASE_MEMORY;
+ report_write = REPORT_BL_WRITE_MEMORY;
+ } else {
+ report_erase = REPORT_ERASE_MEMORY;
+ report_write = REPORT_WRITE_MEMORY;
+ }
+ mutex_lock(&data->mutex_flash);
+ while (s > 0) {
+ err = _picolcd_flash_erase64(data, report_erase, off);
+ if (err)
+ break;
+ err = _picolcd_flash_write(data, report_write, u, 64, off);
+ if (err < 0)
+ break;
+ ret += err;
+ *off += err;
+ s -= err;
+ if (err != 64)
+ break;
+ }
+ mutex_unlock(&data->mutex_flash);
+ return ret > 0 ? ret : err;
+}
+
+/*
+ * Notes:
+ * - concurrent writing is prevented by mutex and all writes must be
+ * n*64 bytes and 64-byte aligned, each write being preceded by an
+ * ERASE which erases a 64byte block.
+ * If less than requested was written or an error is returned for an
+ * otherwise correct write request the next 64-byte block which should
+ * have been written is in undefined state (mostly: original, erased,
+ * (half-)written with write error)
+ * - reading can happen without special restriction
+ */
+static const struct file_operations picolcd_debug_flash_fops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .read = picolcd_debug_flash_read,
+ .write = picolcd_debug_flash_write,
+ .llseek = generic_file_llseek,
+};
+
+
+/*
+ * Helper code for HID report level dumping/debugging
+ */
+static const char * const error_codes[] = {
+ "success", "parameter missing", "data_missing", "block readonly",
+ "block not erasable", "block too big", "section overflow",
+ "invalid command length", "invalid data length",
+};
+
+static void dump_buff_as_hex(char *dst, size_t dst_sz, const u8 *data,
+ const size_t data_len)
+{
+ int i, j;
+ for (i = j = 0; i < data_len && j + 4 < dst_sz; i++) {
+ dst[j++] = hex_asc[(data[i] >> 4) & 0x0f];
+ dst[j++] = hex_asc[data[i] & 0x0f];
+ dst[j++] = ' ';
+ }
+ dst[j] = '\0';
+ if (j > 0)
+ dst[j-1] = '\n';
+ if (i < data_len && j > 2)
+ dst[j-2] = dst[j-3] = '.';
+}
+
+void picolcd_debug_out_report(struct picolcd_data *data,
+ struct hid_device *hdev, struct hid_report *report)
+{
+ u8 raw_data[70];
+ int raw_size = (report->size >> 3) + 1;
+ char *buff;
+#define BUFF_SZ 256
+
+ /* Avoid unnecessary overhead if debugfs is disabled */
+ if (list_empty(&hdev->debug_list))
+ return;
+
+ buff = kmalloc(BUFF_SZ, GFP_ATOMIC);
+ if (!buff)
+ return;
+
+ snprintf(buff, BUFF_SZ, "\nout report %d (size %d) = ",
+ report->id, raw_size);
+ hid_debug_event(hdev, buff);
+ if (raw_size + 5 > sizeof(raw_data)) {
+ kfree(buff);
+ hid_debug_event(hdev, " TOO BIG\n");
+ return;
+ } else {
+ raw_data[0] = report->id;
+ hid_output_report(report, raw_data);
+ dump_buff_as_hex(buff, BUFF_SZ, raw_data, raw_size);
+ hid_debug_event(hdev, buff);
+ }
+
+ switch (report->id) {
+ case REPORT_LED_STATE:
+ /* 1 data byte with GPO state */
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_LED_STATE", report->id, raw_size-1);
+ hid_debug_event(hdev, buff);
+ snprintf(buff, BUFF_SZ, "\tGPO state: 0x%02x\n", raw_data[1]);
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_BRIGHTNESS:
+ /* 1 data byte with brightness */
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_BRIGHTNESS", report->id, raw_size-1);
+ hid_debug_event(hdev, buff);
+ snprintf(buff, BUFF_SZ, "\tBrightness: 0x%02x\n", raw_data[1]);
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_CONTRAST:
+ /* 1 data byte with contrast */
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_CONTRAST", report->id, raw_size-1);
+ hid_debug_event(hdev, buff);
+ snprintf(buff, BUFF_SZ, "\tContrast: 0x%02x\n", raw_data[1]);
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_RESET:
+ /* 2 data bytes with reset duration in ms */
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_RESET", report->id, raw_size-1);
+ hid_debug_event(hdev, buff);
+ snprintf(buff, BUFF_SZ, "\tDuration: 0x%02x%02x (%dms)\n",
+ raw_data[2], raw_data[1], raw_data[2] << 8 | raw_data[1]);
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_LCD_CMD:
+ /* 63 data bytes with LCD commands */
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_LCD_CMD", report->id, raw_size-1);
+ hid_debug_event(hdev, buff);
+ /* TODO: format decoding */
+ break;
+ case REPORT_LCD_DATA:
+ /* 63 data bytes with LCD data */
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_LCD_CMD", report->id, raw_size-1);
+ /* TODO: format decoding */
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_LCD_CMD_DATA:
+ /* 63 data bytes with LCD commands and data */
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_LCD_CMD", report->id, raw_size-1);
+ /* TODO: format decoding */
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_EE_READ:
+ /* 3 data bytes with read area description */
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_EE_READ", report->id, raw_size-1);
+ hid_debug_event(hdev, buff);
+ snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n",
+ raw_data[2], raw_data[1]);
+ hid_debug_event(hdev, buff);
+ snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]);
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_EE_WRITE:
+ /* 3+1..20 data bytes with write area description */
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_EE_WRITE", report->id, raw_size-1);
+ hid_debug_event(hdev, buff);
+ snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n",
+ raw_data[2], raw_data[1]);
+ hid_debug_event(hdev, buff);
+ snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]);
+ hid_debug_event(hdev, buff);
+ if (raw_data[3] == 0) {
+ snprintf(buff, BUFF_SZ, "\tNo data\n");
+ } else if (raw_data[3] + 4 <= raw_size) {
+ snprintf(buff, BUFF_SZ, "\tData: ");
+ hid_debug_event(hdev, buff);
+ dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]);
+ } else {
+ snprintf(buff, BUFF_SZ, "\tData overflowed\n");
+ }
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_ERASE_MEMORY:
+ case REPORT_BL_ERASE_MEMORY:
+ /* 3 data bytes with pointer inside erase block */
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_ERASE_MEMORY", report->id, raw_size-1);
+ hid_debug_event(hdev, buff);
+ switch (data->addr_sz) {
+ case 2:
+ snprintf(buff, BUFF_SZ, "\tAddress inside 64 byte block: 0x%02x%02x\n",
+ raw_data[2], raw_data[1]);
+ break;
+ case 3:
+ snprintf(buff, BUFF_SZ, "\tAddress inside 64 byte block: 0x%02x%02x%02x\n",
+ raw_data[3], raw_data[2], raw_data[1]);
+ break;
+ default:
+ snprintf(buff, BUFF_SZ, "\tNot supported\n");
+ }
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_READ_MEMORY:
+ case REPORT_BL_READ_MEMORY:
+ /* 4 data bytes with read area description */
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_READ_MEMORY", report->id, raw_size-1);
+ hid_debug_event(hdev, buff);
+ switch (data->addr_sz) {
+ case 2:
+ snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n",
+ raw_data[2], raw_data[1]);
+ hid_debug_event(hdev, buff);
+ snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]);
+ break;
+ case 3:
+ snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n",
+ raw_data[3], raw_data[2], raw_data[1]);
+ hid_debug_event(hdev, buff);
+ snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]);
+ break;
+ default:
+ snprintf(buff, BUFF_SZ, "\tNot supported\n");
+ }
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_WRITE_MEMORY:
+ case REPORT_BL_WRITE_MEMORY:
+ /* 4+1..32 data bytes with write adrea description */
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_WRITE_MEMORY", report->id, raw_size-1);
+ hid_debug_event(hdev, buff);
+ switch (data->addr_sz) {
+ case 2:
+ snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n",
+ raw_data[2], raw_data[1]);
+ hid_debug_event(hdev, buff);
+ snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]);
+ hid_debug_event(hdev, buff);
+ if (raw_data[3] == 0) {
+ snprintf(buff, BUFF_SZ, "\tNo data\n");
+ } else if (raw_data[3] + 4 <= raw_size) {
+ snprintf(buff, BUFF_SZ, "\tData: ");
+ hid_debug_event(hdev, buff);
+ dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]);
+ } else {
+ snprintf(buff, BUFF_SZ, "\tData overflowed\n");
+ }
+ break;
+ case 3:
+ snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n",
+ raw_data[3], raw_data[2], raw_data[1]);
+ hid_debug_event(hdev, buff);
+ snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]);
+ hid_debug_event(hdev, buff);
+ if (raw_data[4] == 0) {
+ snprintf(buff, BUFF_SZ, "\tNo data\n");
+ } else if (raw_data[4] + 5 <= raw_size) {
+ snprintf(buff, BUFF_SZ, "\tData: ");
+ hid_debug_event(hdev, buff);
+ dump_buff_as_hex(buff, BUFF_SZ, raw_data+5, raw_data[4]);
+ } else {
+ snprintf(buff, BUFF_SZ, "\tData overflowed\n");
+ }
+ break;
+ default:
+ snprintf(buff, BUFF_SZ, "\tNot supported\n");
+ }
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_SPLASH_RESTART:
+ /* TODO */
+ break;
+ case REPORT_EXIT_KEYBOARD:
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_EXIT_KEYBOARD", report->id, raw_size-1);
+ hid_debug_event(hdev, buff);
+ snprintf(buff, BUFF_SZ, "\tRestart delay: %dms (0x%02x%02x)\n",
+ raw_data[1] | (raw_data[2] << 8),
+ raw_data[2], raw_data[1]);
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_VERSION:
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_VERSION", report->id, raw_size-1);
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_DEVID:
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_DEVID", report->id, raw_size-1);
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_SPLASH_SIZE:
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_SPLASH_SIZE", report->id, raw_size-1);
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_HOOK_VERSION:
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_HOOK_VERSION", report->id, raw_size-1);
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_EXIT_FLASHER:
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "REPORT_VERSION", report->id, raw_size-1);
+ hid_debug_event(hdev, buff);
+ snprintf(buff, BUFF_SZ, "\tRestart delay: %dms (0x%02x%02x)\n",
+ raw_data[1] | (raw_data[2] << 8),
+ raw_data[2], raw_data[1]);
+ hid_debug_event(hdev, buff);
+ break;
+ default:
+ snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n",
+ "<unknown>", report->id, raw_size-1);
+ hid_debug_event(hdev, buff);
+ break;
+ }
+ wake_up_interruptible(&hdev->debug_wait);
+ kfree(buff);
+}
+
+void picolcd_debug_raw_event(struct picolcd_data *data,
+ struct hid_device *hdev, struct hid_report *report,
+ u8 *raw_data, int size)
+{
+ char *buff;
+
+#define BUFF_SZ 256
+ /* Avoid unnecessary overhead if debugfs is disabled */
+ if (list_empty(&hdev->debug_list))
+ return;
+
+ buff = kmalloc(BUFF_SZ, GFP_ATOMIC);
+ if (!buff)
+ return;
+
+ switch (report->id) {
+ case REPORT_ERROR_CODE:
+ /* 2 data bytes with affected report and error code */
+ snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
+ "REPORT_ERROR_CODE", report->id, size-1);
+ hid_debug_event(hdev, buff);
+ if (raw_data[2] < ARRAY_SIZE(error_codes))
+ snprintf(buff, BUFF_SZ, "\tError code 0x%02x (%s) in reply to report 0x%02x\n",
+ raw_data[2], error_codes[raw_data[2]], raw_data[1]);
+ else
+ snprintf(buff, BUFF_SZ, "\tError code 0x%02x in reply to report 0x%02x\n",
+ raw_data[2], raw_data[1]);
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_KEY_STATE:
+ /* 2 data bytes with key state */
+ snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
+ "REPORT_KEY_STATE", report->id, size-1);
+ hid_debug_event(hdev, buff);
+ if (raw_data[1] == 0)
+ snprintf(buff, BUFF_SZ, "\tNo key pressed\n");
+ else if (raw_data[2] == 0)
+ snprintf(buff, BUFF_SZ, "\tOne key pressed: 0x%02x (%d)\n",
+ raw_data[1], raw_data[1]);
+ else
+ snprintf(buff, BUFF_SZ, "\tTwo keys pressed: 0x%02x (%d), 0x%02x (%d)\n",
+ raw_data[1], raw_data[1], raw_data[2], raw_data[2]);
+ hid_debug_event(hdev, buff);
+ break;
+ case REPORT_IR_DATA:
+ /* Up to 20 byes of IR scancode data */
+ snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n",
+ "REPORT_IR_DATA", report->id, size-1);
+ hid_debug_event(hdev, buff);
+ if (raw_data[1] == 0) {
+ snprintf(buff, BUFF_SZ, "\tUnexpectedly 0 data length\n");
+ hid_debug_event(hdev, buff);
+ } else if (raw_data[1] + 1 <= size) {
+ snprintf(buff, BUFF_SZ, "\tData length: %d\n\tIR Data: ",
+ raw_data[1]);
+ hid_debug_event(hdev, buff);
+ dump_buff_as_hex(buff, BUFF_SZ, raw_data+2, raw_data[1]);
+ hid_debug_event(hdev, buff);
+ } else {
+ snprintf(buff, BUFF_SZ, "\tOverflowing data length: %d\n",
+ raw_data[1]-1);
+ hid_debug_event(hdev, buff);
+ }
+ break;
+ case REPORT_EE_DATA:
+ /* Data buffer in response to REPORT_EE_