This patch adds support for the two-plane NV12 format with one luma plane
and one interleaved chroma plane.
Signed-off-by: Philipp Zabel <p.za...@pengutronix.de>
---
drivers/media/platform/coda/coda-bit.c | 26 +++++++++++++++++++++-----
drivers/media/platform/coda/coda-common.c | 8 ++++++++
2 files changed, 29 insertions(+), 5 deletions(-)
diff --git a/drivers/media/platform/coda/coda-bit.c
b/drivers/media/platform/coda/coda-bit.c
index 3839e35..fde7775 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -729,6 +729,9 @@ static int coda_start_encoding(struct coda_ctx *ctx)
break;
}
+ ctx->frame_mem_ctrl &= ~CODA_FRAME_CHROMA_INTERLEAVE;
+ if (q_data_src->fourcc == V4L2_PIX_FMT_NV12)
+ ctx->frame_mem_ctrl |= CODA_FRAME_CHROMA_INTERLEAVE;
coda_write(dev, ctx->frame_mem_ctrl, CODA_REG_BIT_FRAME_MEM_CTRL);
if (dev->devtype->product == CODA_DX6) {
@@ -1128,7 +1131,6 @@ static int coda_prepare_encode(struct coda_ctx *ctx)
coda_write(dev, rot_mode, CODA_CMD_ENC_PIC_ROT_MODE);
coda_write(dev, quant_param, CODA_CMD_ENC_PIC_QS);
-
if (dev->devtype->product == CODA_960) {
coda_write(dev, 4/*FIXME: 0*/, CODA9_CMD_ENC_PIC_SRC_INDEX);
coda_write(dev, q_data_src->width,
CODA9_CMD_ENC_PIC_SRC_STRIDE);
@@ -1273,7 +1275,7 @@ static int __coda_start_decoding(struct coda_ctx *ctx)
u32 bitstream_buf, bitstream_size;
struct coda_dev *dev = ctx->dev;
int width, height;
- u32 src_fourcc;
+ u32 src_fourcc, dst_fourcc;
u32 val;
int ret;
@@ -1283,6 +1285,7 @@ static int __coda_start_decoding(struct coda_ctx *ctx)
bitstream_buf = ctx->bitstream.paddr;
bitstream_size = ctx->bitstream.size;
src_fourcc = q_data_src->fourcc;
+ dst_fourcc = q_data_dst->fourcc;
/* Allocate per-instance buffers */
ret = coda_alloc_context_buffers(ctx, q_data_src);
@@ -1294,6 +1297,9 @@ 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;
+ if (dst_fourcc == V4L2_PIX_FMT_NV12)
+ ctx->frame_mem_ctrl |= CODA_FRAME_CHROMA_INTERLEAVE;
coda_write(dev, ctx->frame_mem_ctrl, CODA_REG_BIT_FRAME_MEM_CTRL);
ctx->display_idx = -1;
@@ -1424,13 +1430,23 @@ static int __coda_start_decoding(struct coda_ctx *ctx)
}
if (dev->devtype->product == CODA_960) {
- coda_write(dev, -1, CODA9_CMD_SET_FRAME_DELAY);
+ int cbb_size, crb_size;
+ coda_write(dev, -1, CODA9_CMD_SET_FRAME_DELAY);
+ /* Luma 2x0 page, 2x6 cache, chroma 2x0 page, 2x4 cache size */
coda_write(dev, 0x20262024, CODA9_CMD_SET_FRAME_CACHE_SIZE);
+
+ if (dst_fourcc == V4L2_PIX_FMT_NV12) {
+ cbb_size = 0;
+ crb_size = 16;
+ } else {
+ cbb_size = 8;
+ crb_size = 8;
+ }
coda_write(dev, 2 << CODA9_CACHE_PAGEMERGE_OFFSET |
32 << CODA9_CACHE_LUMA_BUFFER_SIZE_OFFSET |
- 8 << CODA9_CACHE_CB_BUFFER_SIZE_OFFSET |
- 8 << CODA9_CACHE_CR_BUFFER_SIZE_OFFSET,
+ cbb_size << CODA9_CACHE_CB_BUFFER_SIZE_OFFSET |
+ crb_size << CODA9_CACHE_CR_BUFFER_SIZE_OFFSET,
CODA9_CMD_SET_FRAME_CACHE_CONFIG);
}
diff --git a/drivers/media/platform/coda/coda-common.c
b/drivers/media/platform/coda/coda-common.c
index feb270f..02d47fa 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -95,6 +95,7 @@ void coda_write_base(struct coda_ctx *ctx, struct coda_q_data
*q_data,
base_cb = base_cr + q_data->bytesperline * q_data->height / 4;
break;
case V4L2_PIX_FMT_YUV420:
+ case V4L2_PIX_FMT_NV12:
default:
base_cb = base_y + q_data->bytesperline * q_data->height;
base_cr = base_cb + q_data->bytesperline * q_data->height / 4;
@@ -119,6 +120,10 @@ static const struct coda_fmt coda_formats[] = {
.fourcc = V4L2_PIX_FMT_YVU420,
},
{
+ .name = "YUV 4:2:0 Partial interleaved Y/CbCr",
+ .fourcc = V4L2_PIX_FMT_NV12,
+ },
+ {
.name = "H264 Encoded Stream",
.fourcc = V4L2_PIX_FMT_H264,
},
@@ -162,6 +167,7 @@ static bool coda_format_is_yuv(u32 fourcc)
switch (fourcc) {
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_YVU420:
+ case V4L2_PIX_FMT_NV12:
return true;
default:
return false;
@@ -366,6 +372,7 @@ static int coda_try_fmt(struct coda_ctx *ctx, const struct
coda_codec *codec,
switch (f->fmt.pix.pixelformat) {
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_YVU420:
+ case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_H264:
case V4L2_PIX_FMT_MPEG4:
case V4L2_PIX_FMT_JPEG:
@@ -380,6 +387,7 @@ static int coda_try_fmt(struct coda_ctx *ctx, const struct
coda_codec *codec,
switch (f->fmt.pix.pixelformat) {
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_YVU420:
+ case V4L2_PIX_FMT_NV12:
/* Frame stride must be multiple of 8, but 16 for h.264 */
f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
--
2.1.0
--
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