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path: root/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
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Diffstat (limited to 'drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c')
-rw-r--r--drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
new file mode 100644
index 000000000000..edbf9daa1545
--- /dev/null
+++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
@@ -0,0 +1,111 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
+ * Author: James.Qian.Wang <james.qian.wang@arm.com>
+ *
+ */
+#include "malidp_io.h"
+#include "komeda_dev.h"
+
+static int d71_enum_resources(struct komeda_dev *mdev)
+{
+ /* TODO add enum resources */
+ return -1;
+}
+
+#define __HW_ID(__group, __format) \
+ ((((__group) & 0x7) << 3) | ((__format) & 0x7))
+
+#define RICH KOMEDA_FMT_RICH_LAYER
+#define SIMPLE KOMEDA_FMT_SIMPLE_LAYER
+#define RICH_SIMPLE (KOMEDA_FMT_RICH_LAYER | KOMEDA_FMT_SIMPLE_LAYER)
+#define RICH_WB (KOMEDA_FMT_RICH_LAYER | KOMEDA_FMT_WB_LAYER)
+#define RICH_SIMPLE_WB (RICH_SIMPLE | KOMEDA_FMT_WB_LAYER)
+
+#define Rot_0 DRM_MODE_ROTATE_0
+#define Flip_H_V (DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y | Rot_0)
+#define Rot_ALL_H_V (DRM_MODE_ROTATE_MASK | Flip_H_V)
+
+#define LYT_NM BIT(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16)
+#define LYT_WB BIT(AFBC_FORMAT_MOD_BLOCK_SIZE_32x8)
+#define LYT_NM_WB (LYT_NM | LYT_WB)
+
+#define AFB_TH AFBC(_TILED | _SPARSE)
+#define AFB_TH_SC_YTR AFBC(_TILED | _SC | _SPARSE | _YTR)
+#define AFB_TH_SC_YTR_BS AFBC(_TILED | _SC | _SPARSE | _YTR | _SPLIT)
+
+static struct komeda_format_caps d71_format_caps_table[] = {
+ /* HW_ID | fourcc | tile_sz | layer_types | rots | afbc_layouts | afbc_features */
+ /* ABGR_2101010*/
+ {__HW_ID(0, 0), DRM_FORMAT_ARGB2101010, 1, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
+ {__HW_ID(0, 1), DRM_FORMAT_ABGR2101010, 1, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
+ {__HW_ID(0, 1), DRM_FORMAT_ABGR2101010, 1, RICH_SIMPLE, Rot_ALL_H_V, LYT_NM_WB, AFB_TH_SC_YTR_BS}, /* afbc */
+ {__HW_ID(0, 2), DRM_FORMAT_RGBA1010102, 1, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
+ {__HW_ID(0, 3), DRM_FORMAT_BGRA1010102, 1, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
+ /* ABGR_8888*/
+ {__HW_ID(1, 0), DRM_FORMAT_ARGB8888, 1, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
+ {__HW_ID(1, 1), DRM_FORMAT_ABGR8888, 1, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
+ {__HW_ID(1, 1), DRM_FORMAT_ABGR8888, 1, RICH_SIMPLE, Rot_ALL_H_V, LYT_NM_WB, AFB_TH_SC_YTR_BS}, /* afbc */
+ {__HW_ID(1, 2), DRM_FORMAT_RGBA8888, 1, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
+ {__HW_ID(1, 3), DRM_FORMAT_BGRA8888, 1, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
+ /* XBGB_8888 */
+ {__HW_ID(2, 0), DRM_FORMAT_XRGB8888, 1, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
+ {__HW_ID(2, 1), DRM_FORMAT_XBGR8888, 1, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
+ {__HW_ID(2, 2), DRM_FORMAT_RGBX8888, 1, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
+ {__HW_ID(2, 3), DRM_FORMAT_BGRX8888, 1, RICH_SIMPLE_WB, Flip_H_V, 0, 0},
+ /* BGR_888 */ /* none-afbc RGB888 doesn't support rotation and flip */
+ {__HW_ID(3, 0), DRM_FORMAT_RGB888, 1, RICH_SIMPLE_WB, Rot_0, 0, 0},
+ {__HW_ID(3, 1), DRM_FORMAT_BGR888, 1, RICH_SIMPLE_WB, Rot_0, 0, 0},
+ {__HW_ID(3, 1), DRM_FORMAT_BGR888, 1, RICH_SIMPLE, Rot_ALL_H_V, LYT_NM_WB, AFB_TH_SC_YTR_BS}, /* afbc */
+ /* BGR 16bpp */
+ {__HW_ID(4, 0), DRM_FORMAT_RGBA5551, 1, RICH_SIMPLE, Flip_H_V, 0, 0},
+ {__HW_ID(4, 1), DRM_FORMAT_ABGR1555, 1, RICH_SIMPLE, Flip_H_V, 0, 0},
+ {__HW_ID(4, 1), DRM_FORMAT_ABGR1555, 1, RICH_SIMPLE, Rot_ALL_H_V, LYT_NM_WB, AFB_TH_SC_YTR}, /* afbc */
+ {__HW_ID(4, 2), DRM_FORMAT_RGB565, 1, RICH_SIMPLE, Flip_H_V, 0, 0},
+ {__HW_ID(4, 3), DRM_FORMAT_BGR565, 1, RICH_SIMPLE, Flip_H_V, 0, 0},
+ {__HW_ID(4, 3), DRM_FORMAT_BGR565, 1, RICH_SIMPLE, Rot_ALL_H_V, LYT_NM_WB, AFB_TH_SC_YTR}, /* afbc */
+ {__HW_ID(4, 4), DRM_FORMAT_R8, 1, SIMPLE, Rot_0, 0, 0},
+ /* YUV 444/422/420 8bit */
+ {__HW_ID(5, 0), 0 /*XYUV8888*/, 1, 0, 0, 0, 0},
+ /* XYUV unsupported*/
+ {__HW_ID(5, 1), DRM_FORMAT_YUYV, 1, RICH, Rot_ALL_H_V, LYT_NM, AFB_TH}, /* afbc */
+ {__HW_ID(5, 2), DRM_FORMAT_YUYV, 1, RICH, Flip_H_V, 0, 0},
+ {__HW_ID(5, 3), DRM_FORMAT_UYVY, 1, RICH, Flip_H_V, 0, 0},
+ {__HW_ID(5, 4), 0, /*X0L0 */ 2, 0, 0, 0}, /* Y0L0 unsupported */
+ {__HW_ID(5, 6), DRM_FORMAT_NV12, 1, RICH, Flip_H_V, 0, 0},
+ {__HW_ID(5, 6), 0/*DRM_FORMAT_YUV420_8BIT*/, 1, RICH, Rot_ALL_H_V, LYT_NM, AFB_TH}, /* afbc */
+ {__HW_ID(5, 7), DRM_FORMAT_YUV420, 1, RICH, Flip_H_V, 0, 0},
+ /* YUV 10bit*/
+ {__HW_ID(6, 0), 0,/*XVYU2101010*/ 1, 0, 0, 0, 0},/* VYV30 unsupported */
+ {__HW_ID(6, 6), 0/*DRM_FORMAT_X0L2*/, 2, RICH, Flip_H_V, 0, 0},
+ {__HW_ID(6, 7), 0/*DRM_FORMAT_P010*/, 1, RICH, Flip_H_V, 0, 0},
+ {__HW_ID(6, 7), 0/*DRM_FORMAT_YUV420_10BIT*/, 1, RICH, Rot_ALL_H_V, LYT_NM, AFB_TH},
+};
+
+static void d71_init_fmt_tbl(struct komeda_dev *mdev)
+{
+ struct komeda_format_caps_table *table = &mdev->fmt_tbl;
+
+ table->format_caps = d71_format_caps_table;
+ table->n_formats = ARRAY_SIZE(d71_format_caps_table);
+}
+
+static struct komeda_dev_funcs d71_chip_funcs = {
+ .init_format_table = d71_init_fmt_tbl,
+ .enum_resources = d71_enum_resources,
+ .cleanup = NULL,
+};
+
+#define GLB_ARCH_ID 0x000
+#define GLB_CORE_ID 0x004
+#define GLB_CORE_INFO 0x008
+
+struct komeda_dev_funcs *
+d71_identify(u32 __iomem *reg_base, struct komeda_chip_info *chip)
+{
+ chip->arch_id = malidp_read32(reg_base, GLB_ARCH_ID);
+ chip->core_id = malidp_read32(reg_base, GLB_CORE_ID);
+ chip->core_info = malidp_read32(reg_base, GLB_CORE_INFO);
+
+ return &d71_chip_funcs;
+}