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-rw-r--r--drivers/media/platform/coda/Makefile2
-rw-r--r--drivers/media/platform/coda/coda-bit.c48
-rw-r--r--drivers/media/platform/coda/coda-common.c74
-rw-r--r--drivers/media/platform/coda/coda-gdi.c150
-rw-r--r--drivers/media/platform/coda/coda.h11
-rw-r--r--drivers/media/platform/coda/coda_regs.h6
6 files changed, 221 insertions, 70 deletions
diff --git a/drivers/media/platform/coda/Makefile b/drivers/media/platform/coda/Makefile
index 834e504..9342ac5 100644
--- a/drivers/media/platform/coda/Makefile
+++ b/drivers/media/platform/coda/Makefile
@@ -1,5 +1,5 @@
ccflags-y += -I$(src)
-coda-objs := coda-common.o coda-bit.o coda-h264.o coda-jpeg.o
+coda-objs := coda-common.o coda-bit.o coda-gdi.o coda-h264.o coda-jpeg.o
obj-$(CONFIG_VIDEO_CODA) += coda.o
diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index 46c7054..3d434a4 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -340,7 +340,6 @@ static int coda_alloc_framebuffers(struct coda_ctx *ctx,
{
struct coda_dev *dev = ctx->dev;
int width, height;
- dma_addr_t paddr;
int ysize;
int ret;
int i;
@@ -360,7 +359,10 @@ static int coda_alloc_framebuffers(struct coda_ctx *ctx,
size_t size;
char *name;
- size = ysize + ysize / 2;
+ if (ctx->tiled_map_type == GDI_TILED_FRAME_MB_RASTER_MAP)
+ size = round_up(ysize, 4096) + ysize / 2;
+ else
+ size = ysize + ysize / 2;
if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 &&
dev->devtype->product != CODA_DX6)
size += ysize / 4;
@@ -376,11 +378,23 @@ static int coda_alloc_framebuffers(struct coda_ctx *ctx,
/* Register frame buffers in the parameter buffer */
for (i = 0; i < ctx->num_internal_frames; i++) {
- paddr = ctx->internal_frames[i].paddr;
+ u32 y, cb, cr;
+
/* Start addresses of Y, Cb, Cr planes */
- coda_parabuf_write(ctx, i * 3 + 0, paddr);
- coda_parabuf_write(ctx, i * 3 + 1, paddr + ysize);
- coda_parabuf_write(ctx, i * 3 + 2, paddr + ysize + ysize / 4);
+ y = ctx->internal_frames[i].paddr;
+ cb = y + ysize;
+ cr = y + ysize + ysize/4;
+ if (ctx->tiled_map_type == GDI_TILED_FRAME_MB_RASTER_MAP) {
+ cb = round_up(cb, 4096);
+ cr = 0;
+ /* Packed 20-bit MSB of base addresses */
+ /* YYYYYCCC, CCyyyyyc, cccc.... */
+ y = (y & 0xfffff000) | cb >> 20;
+ cb = (cb & 0x000ff000) << 12;
+ }
+ coda_parabuf_write(ctx, i * 3 + 0, y);
+ coda_parabuf_write(ctx, i * 3 + 1, cb);
+ coda_parabuf_write(ctx, i * 3 + 2, cr);
/* mvcol buffer for h.264 */
if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 &&
@@ -725,9 +739,15 @@ static void coda9_set_frame_cache(struct coda_ctx *ctx, u32 fourcc)
{
u32 cache_size, cache_config;
- /* Luma 2x0 page, 2x6 cache, chroma 2x0 page, 2x4 cache size */
- cache_size = 0x20262024;
- cache_config = 2 << CODA9_CACHE_PAGEMERGE_OFFSET;
+ if (ctx->tiled_map_type == GDI_LINEAR_FRAME_MAP) {
+ /* Luma 2x0 page, 2x6 cache, chroma 2x0 page, 2x4 cache size */
+ cache_size = 0x20262024;
+ cache_config = 2 << CODA9_CACHE_PAGEMERGE_OFFSET;
+ } else {
+ /* Luma 0x2 page, 4x4 cache, chroma 0x2 page, 4x3 cache size */
+ cache_size = 0x02440243;
+ cache_config = 1 << CODA9_CACHE_PAGEMERGE_OFFSET;
+ }
coda_write(ctx->dev, cache_size, CODA9_CMD_SET_FRAME_CACHE_SIZE);
if (fourcc == V4L2_PIX_FMT_NV12) {
cache_config |= 32 << CODA9_CACHE_LUMA_BUFFER_SIZE_OFFSET |
@@ -818,9 +838,12 @@ static int coda_start_encoding(struct coda_ctx *ctx)
break;
}
- ctx->frame_mem_ctrl &= ~CODA_FRAME_CHROMA_INTERLEAVE;
+ ctx->frame_mem_ctrl &= ~(CODA_FRAME_CHROMA_INTERLEAVE | (0x3 << 9) |
+ CODA9_FRAME_TILED2LINEAR);
if (q_data_src->fourcc == V4L2_PIX_FMT_NV12)
ctx->frame_mem_ctrl |= CODA_FRAME_CHROMA_INTERLEAVE;
+ if (ctx->tiled_map_type == GDI_TILED_FRAME_MB_RASTER_MAP)
+ ctx->frame_mem_ctrl |= (0x3 << 9) | CODA9_FRAME_TILED2LINEAR;
coda_write(dev, ctx->frame_mem_ctrl, CODA_REG_BIT_FRAME_MEM_CTRL);
if (dev->devtype->product == CODA_DX6) {
@@ -1497,9 +1520,12 @@ static int __coda_start_decoding(struct coda_ctx *ctx)
/* Update coda bitstream read and write pointers from kfifo */
coda_kfifo_sync_to_device_full(ctx);
- ctx->frame_mem_ctrl &= ~CODA_FRAME_CHROMA_INTERLEAVE;
+ ctx->frame_mem_ctrl &= ~(CODA_FRAME_CHROMA_INTERLEAVE | (0x3 << 9) |
+ CODA9_FRAME_TILED2LINEAR);
if (dst_fourcc == V4L2_PIX_FMT_NV12)
ctx->frame_mem_ctrl |= CODA_FRAME_CHROMA_INTERLEAVE;
+ if (ctx->tiled_map_type == GDI_TILED_FRAME_MB_RASTER_MAP)
+ ctx->frame_mem_ctrl |= (0x3 << 9) | CODA9_FRAME_TILED2LINEAR;
coda_write(dev, ctx->frame_mem_ctrl, CODA_REG_BIT_FRAME_MEM_CTRL);
ctx->display_idx = -1;
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index a7cab14..d62b828 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -62,6 +62,10 @@ int coda_debug;
module_param(coda_debug, int, 0644);
MODULE_PARM_DESC(coda_debug, "Debug level (0-2)");
+static int disable_tiling;
+module_param(disable_tiling, int, 0644);
+MODULE_PARM_DESC(disable_tiling, "Disable tiled frame buffers");
+
void coda_write(struct coda_dev *dev, u32 data, u32 reg)
{
v4l2_dbg(2, coda_debug, &dev->v4l2_dev,
@@ -585,6 +589,22 @@ static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f)
q_data->rect.width = f->fmt.pix.width;
q_data->rect.height = f->fmt.pix.height;
+ switch (f->fmt.pix.pixelformat) {
+ case V4L2_PIX_FMT_NV12:
+ if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
+ ctx->tiled_map_type = GDI_TILED_FRAME_MB_RASTER_MAP;
+ if (!disable_tiling)
+ break;
+ }
+ /* else fall through */
+ case V4L2_PIX_FMT_YUV420:
+ case V4L2_PIX_FMT_YVU420:
+ ctx->tiled_map_type = GDI_LINEAR_FRAME_MAP;
+ break;
+ default:
+ break;
+ }
+
v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
"Setting format for type %d, wxh: %dx%d, fmt: %d\n",
f->type, q_data->width, q_data->height, q_data->fourcc);
@@ -916,27 +936,6 @@ static const struct v4l2_ioctl_ops coda_ioctl_ops = {
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
-void coda_set_gdi_regs(struct coda_ctx *ctx)
-{
- struct gdi_tiled_map *tiled_map = &ctx->tiled_map;
- struct coda_dev *dev = ctx->dev;
- int i;
-
- for (i = 0; i < 16; i++)
- coda_write(dev, tiled_map->xy2ca_map[i],
- CODA9_GDI_XY2_CAS_0 + 4 * i);
- for (i = 0; i < 4; i++)
- coda_write(dev, tiled_map->xy2ba_map[i],
- CODA9_GDI_XY2_BA_0 + 4 * i);
- for (i = 0; i < 16; i++)
- coda_write(dev, tiled_map->xy2ra_map[i],
- CODA9_GDI_XY2_RAS_0 + 4 * i);
- coda_write(dev, tiled_map->xy2rbc_config, CODA9_GDI_XY2_RBC_CONFIG);
- for (i = 0; i < 32; i++)
- coda_write(dev, tiled_map->rbc2axi_map[i],
- CODA9_GDI_RBC2_AXI_0 + 4 * i);
-}
-
/*
* Mem-to-mem operations.
*/
@@ -1084,32 +1083,6 @@ static const struct v4l2_m2m_ops coda_m2m_ops = {
.unlock = coda_unlock,
};
-static void coda_set_tiled_map_type(struct coda_ctx *ctx, int tiled_map_type)
-{
- struct gdi_tiled_map *tiled_map = &ctx->tiled_map;
- int luma_map, chro_map, i;
-
- memset(tiled_map, 0, sizeof(*tiled_map));
-
- luma_map = 64;
- chro_map = 64;
- tiled_map->map_type = tiled_map_type;
- for (i = 0; i < 16; i++)
- tiled_map->xy2ca_map[i] = luma_map << 8 | chro_map;
- for (i = 0; i < 4; i++)
- tiled_map->xy2ba_map[i] = luma_map << 8 | chro_map;
- for (i = 0; i < 16; i++)
- tiled_map->xy2ra_map[i] = luma_map << 8 | chro_map;
-
- if (tiled_map_type == GDI_LINEAR_FRAME_MAP) {
- tiled_map->xy2rbc_config = 0;
- } else {
- dev_err(&ctx->dev->plat_dev->dev, "invalid map type: %d\n",
- tiled_map_type);
- return;
- }
-}
-
static void set_default_params(struct coda_ctx *ctx)
{
unsigned int max_w, max_h, usize, csize;
@@ -1148,8 +1121,11 @@ static void set_default_params(struct coda_ctx *ctx)
ctx->q_data[V4L2_M2M_DST].rect.width = max_w;
ctx->q_data[V4L2_M2M_DST].rect.height = max_h;
- if (ctx->dev->devtype->product == CODA_960)
- coda_set_tiled_map_type(ctx, GDI_LINEAR_FRAME_MAP);
+ /*
+ * Since the RBC2AXI logic only supports a single chroma plane,
+ * macroblock tiling only works for to NV12 pixel format.
+ */
+ ctx->tiled_map_type = GDI_LINEAR_FRAME_MAP;
}
/*
diff --git a/drivers/media/platform/coda/coda-gdi.c b/drivers/media/platform/coda/coda-gdi.c
new file mode 100644
index 0000000..aaa7afc
--- /dev/null
+++ b/drivers/media/platform/coda/coda-gdi.c
@@ -0,0 +1,150 @@
+/*
+ * Coda multi-standard codec IP
+ *
+ * Copyright (C) 2014 Philipp Zabel, Pengutronix
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/bitops.h>
+#include "coda.h"
+
+#define XY2_INVERT BIT(7)
+#define XY2_ZERO BIT(6)
+#define XY2_TB_XOR BIT(5)
+#define XY2_XYSEL BIT(4)
+#define XY2_Y (1 << 4)
+#define XY2_X (0 << 4)
+
+#define XY2(luma_sel, luma_bit, chroma_sel, chroma_bit) \
+ (((XY2_##luma_sel) | (luma_bit)) << 8 | \
+ (XY2_##chroma_sel) | (chroma_bit))
+
+static const u16 xy2ca_zero_map[16] = {
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+};
+
+static const u16 xy2ca_tiled_map[16] = {
+ XY2(Y, 0, Y, 0),
+ XY2(Y, 1, Y, 1),
+ XY2(Y, 2, Y, 2),
+ XY2(Y, 3, X, 3),
+ XY2(X, 3, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+ XY2(ZERO, 0, ZERO, 0),
+};
+
+/*
+ * RA[15:0], CA[15:8] are hardwired to contain the 24-bit macroblock
+ * start offset (macroblock size is 16x16 for luma, 16x8 for chroma).
+ * Bits CA[4:0] are set using XY2CA above. BA[3:0] seems to be unused.
+ */
+
+#define RBC_CA (0 << 4)
+#define RBC_BA (1 << 4)
+#define RBC_RA (2 << 4)
+#define RBC_ZERO (3 << 4)
+
+#define RBC(luma_sel, luma_bit, chroma_sel, chroma_bit) \
+ (((RBC_##luma_sel) | (luma_bit)) << 6 | \
+ (RBC_##chroma_sel) | (chroma_bit))
+
+static const u16 rbc2axi_tiled_map[32] = {
+ RBC(ZERO, 0, ZERO, 0),
+ RBC(ZERO, 0, ZERO, 0),
+ RBC(ZERO, 0, ZERO, 0),
+ RBC(CA, 0, CA, 0),
+ RBC(CA, 1, CA, 1),
+ RBC(CA, 2, CA, 2),
+ RBC(CA, 3, CA, 3),
+ RBC(CA, 4, CA, 8),
+ RBC(CA, 8, CA, 9),
+ RBC(CA, 9, CA, 10),
+ RBC(CA, 10, CA, 11),
+ RBC(CA, 11, CA, 12),
+ RBC(CA, 12, CA, 13),
+ RBC(CA, 13, CA, 14),
+ RBC(CA, 14, CA, 15),
+ RBC(CA, 15, RA, 0),
+ RBC(RA, 0, RA, 1),
+ RBC(RA, 1, RA, 2),
+ RBC(RA, 2, RA, 3),
+ RBC(RA, 3, RA, 4),
+ RBC(RA, 4, RA, 5),
+ RBC(RA, 5, RA, 6),
+ RBC(RA, 6, RA, 7),
+ RBC(RA, 7, RA, 8),
+ RBC(RA, 8, RA, 9),
+ RBC(RA, 9, RA, 10),
+ RBC(RA, 10, RA, 11),
+ RBC(RA, 11, RA, 12),
+ RBC(RA, 12, RA, 13),
+ RBC(RA, 13, RA, 14),
+ RBC(RA, 14, RA, 15),
+ RBC(RA, 15, ZERO, 0),
+};
+
+void coda_set_gdi_regs(struct coda_ctx *ctx)
+{
+ struct coda_dev *dev = ctx->dev;
+ const u16 *xy2ca_map;
+ u32 xy2rbc_config;
+ int i;
+
+ switch (ctx->tiled_map_type) {
+ case GDI_LINEAR_FRAME_MAP:
+ default:
+ xy2ca_map = xy2ca_zero_map;
+ xy2rbc_config = 0;
+ break;
+ case GDI_TILED_FRAME_MB_RASTER_MAP:
+ xy2ca_map = xy2ca_tiled_map;
+ xy2rbc_config = CODA9_XY2RBC_TILED_MAP |
+ CODA9_XY2RBC_CA_INC_HOR |
+ (16 - 1) << 12 | (8 - 1) << 4;
+ break;
+ }
+
+ for (i = 0; i < 16; i++)
+ coda_write(dev, xy2ca_map[i],
+ CODA9_GDI_XY2_CAS_0 + 4 * i);
+ for (i = 0; i < 4; i++)
+ coda_write(dev, XY2(ZERO, 0, ZERO, 0),
+ CODA9_GDI_XY2_BA_0 + 4 * i);
+ for (i = 0; i < 16; i++)
+ coda_write(dev, XY2(ZERO, 0, ZERO, 0),
+ CODA9_GDI_XY2_RAS_0 + 4 * i);
+ coda_write(dev, xy2rbc_config, CODA9_GDI_XY2_RBC_CONFIG);
+ if (xy2rbc_config) {
+ for (i = 0; i < 32; i++)
+ coda_write(dev, rbc2axi_tiled_map[i],
+ CODA9_GDI_RBC2_AXI_0 + 4 * i);
+ }
+}
diff --git a/drivers/media/platform/coda/coda.h b/drivers/media/platform/coda/coda.h
index 26c9c4b..59b2af9 100644
--- a/drivers/media/platform/coda/coda.h
+++ b/drivers/media/platform/coda/coda.h
@@ -167,15 +167,8 @@ struct coda_iram_info {
phys_addr_t next_paddr;
};
-struct gdi_tiled_map {
- int xy2ca_map[16];
- int xy2ba_map[16];
- int xy2ra_map[16];
- int rbc2axi_map[32];
- int xy2rbc_config;
- int map_type;
#define GDI_LINEAR_FRAME_MAP 0
-};
+#define GDI_TILED_FRAME_MB_RASTER_MAP 1
struct coda_ctx;
@@ -236,7 +229,7 @@ struct coda_ctx {
int idx;
int reg_idx;
struct coda_iram_info iram_info;
- struct gdi_tiled_map tiled_map;
+ int tiled_map_type;
u32 bit_stream_param;
u32 frm_dis_flg;
u32 frame_mem_ctrl;
diff --git a/drivers/media/platform/coda/coda_regs.h b/drivers/media/platform/coda/coda_regs.h
index 00e4f51..3490602 100644
--- a/drivers/media/platform/coda/coda_regs.h
+++ b/drivers/media/platform/coda/coda_regs.h
@@ -51,6 +51,7 @@
#define CODA7_STREAM_SEL_64BITS_ENDIAN (1 << 1)
#define CODA_STREAM_ENDIAN_SELECT (1 << 0)
#define CODA_REG_BIT_FRAME_MEM_CTRL 0x110
+#define CODA9_FRAME_TILED2LINEAR (1 << 11)
#define CODA_FRAME_CHROMA_INTERLEAVE (1 << 2)
#define CODA_IMAGE_ENDIAN_SELECT (1 << 0)
#define CODA_REG_BIT_BIT_STREAM_PARAM 0x114
@@ -452,7 +453,12 @@
#define CODA9_GDI_XY2_RAS_F (CODA9_GDMA_BASE + 0x88c)
#define CODA9_GDI_XY2_RBC_CONFIG (CODA9_GDMA_BASE + 0x890)
+#define CODA9_XY2RBC_SEPARATE_MAP BIT(19)
+#define CODA9_XY2RBC_TOP_BOT_SPLIT BIT(18)
+#define CODA9_XY2RBC_TILED_MAP BIT(17)
+#define CODA9_XY2RBC_CA_INC_HOR BIT(16)
#define CODA9_GDI_RBC2_AXI_0 (CODA9_GDMA_BASE + 0x8a0)
#define CODA9_GDI_RBC2_AXI_1F (CODA9_GDMA_BASE + 0x91c)
+#define CODA9_GDI_TILEDBUF_BASE (CODA9_GDMA_BASE + 0x920)
#endif
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