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path: root/drivers/media/usb/dvb-usb-v2/cypress_firmware.c
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Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/cypress_firmware.c')
-rw-r--r--drivers/media/usb/dvb-usb-v2/cypress_firmware.c134
1 files changed, 0 insertions, 134 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/cypress_firmware.c b/drivers/media/usb/dvb-usb-v2/cypress_firmware.c
deleted file mode 100644
index 211df549f26..00000000000
--- a/drivers/media/usb/dvb-usb-v2/cypress_firmware.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/* cypress_firmware.c is part of the DVB USB library.
- *
- * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@desy.de)
- * see dvb-usb-init.c for copyright information.
- *
- * This file contains functions for downloading the firmware to Cypress FX 1
- * and 2 based devices.
- *
- */
-
-#include "dvb_usb.h"
-#include "cypress_firmware.h"
-
-struct usb_cypress_controller {
- u8 id;
- const char *name; /* name of the usb controller */
- u16 cs_reg; /* needs to be restarted,
- * when the firmware has been downloaded */
-};
-
-static const struct usb_cypress_controller cypress[] = {
- { .id = CYPRESS_AN2135, .name = "Cypress AN2135", .cs_reg = 0x7f92 },
- { .id = CYPRESS_AN2235, .name = "Cypress AN2235", .cs_reg = 0x7f92 },
- { .id = CYPRESS_FX2, .name = "Cypress FX2", .cs_reg = 0xe600 },
-};
-
-/*
- * load a firmware packet to the device
- */
-static int usb_cypress_writemem(struct usb_device *udev, u16 addr, u8 *data,
- u8 len)
-{
- dvb_usb_dbg_usb_control_msg(udev,
- 0xa0, USB_TYPE_VENDOR, addr, 0x00, data, len);
-
- return usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
- 0xa0, USB_TYPE_VENDOR, addr, 0x00, data, len, 5000);
-}
-
-int usbv2_cypress_load_firmware(struct usb_device *udev,
- const struct firmware *fw, int type)
-{
- struct hexline *hx;
- int ret, pos = 0;
-
- hx = kmalloc(sizeof(struct hexline), GFP_KERNEL);
- if (!hx) {
- dev_err(&udev->dev, "%s: kmalloc() failed\n", KBUILD_MODNAME);
- return -ENOMEM;
- }
-
- /* stop the CPU */
- hx->data[0] = 1;
- ret = usb_cypress_writemem(udev, cypress[type].cs_reg, hx->data, 1);
- if (ret != 1) {
- dev_err(&udev->dev, "%s: CPU stop failed=%d\n",
- KBUILD_MODNAME, ret);
- ret = -EIO;
- goto err_kfree;
- }
-
- /* write firmware to memory */
- for (;;) {
- ret = dvb_usbv2_get_hexline(fw, hx, &pos);
- if (ret < 0)
- goto err_kfree;
- else if (ret == 0)
- break;
-
- ret = usb_cypress_writemem(udev, hx->addr, hx->data, hx->len);
- if (ret < 0) {
- goto err_kfree;
- } else if (ret != hx->len) {
- dev_err(&udev->dev, "%s: error while transferring " \
- "firmware (transferred size=%d, " \
- "block size=%d)\n",
- KBUILD_MODNAME, ret, hx->len);
- ret = -EIO;
- goto err_kfree;
- }
- }
-
- /* start the CPU */
- hx->data[0] = 0;
- ret = usb_cypress_writemem(udev, cypress[type].cs_reg, hx->data, 1);
- if (ret != 1) {
- dev_err(&udev->dev, "%s: CPU start failed=%d\n",
- KBUILD_MODNAME, ret);
- ret = -EIO;
- goto err_kfree;
- }
-
- ret = 0;
-err_kfree:
- kfree(hx);
- return ret;
-}
-EXPORT_SYMBOL(usbv2_cypress_load_firmware);
-
-int dvb_usbv2_get_hexline(const struct firmware *fw, struct hexline *hx,
- int *pos)
-{
- u8 *b = (u8 *) &fw->data[*pos];
- int data_offs = 4;
-
- if (*pos >= fw->size)
- return 0;
-
- memset(hx, 0, sizeof(struct hexline));
- hx->len = b[0];
-
- if ((*pos + hx->len + 4) >= fw->size)
- return -EINVAL;
-
- hx->addr = b[1] | (b[2] << 8);
- hx->type = b[3];
-
- if (hx->type == 0x04) {
- /* b[4] and b[5] are the Extended linear address record data
- * field */
- hx->addr |= (b[4] << 24) | (b[5] << 16);
- }
-
- memcpy(hx->data, &b[data_offs], hx->len);
- hx->chk = b[hx->len + data_offs];
- *pos += hx->len + 5;
-
- return *pos;
-}
-EXPORT_SYMBOL(dvb_usbv2_get_hexline);
-
-MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
-MODULE_DESCRIPTION("Cypress firmware download");
-MODULE_LICENSE("GPL");