From 1cb12cf3c0d4b594b027e920ce9599a5e6448748 Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Mon, 29 Sep 2014 09:53:47 -0300 Subject: [PATCH] [media] coda: add support for partial interleaved YCbCr 4:2:0 (NV12) format This patch adds support for the two-plane NV12 format with one luma plane and one interleaved chroma plane. Signed-off-by: Philipp Zabel Signed-off-by: Kamil Debski Signed-off-by: Mauro Carvalho Chehab --- 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 3839e3507628..fde777573f7b 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 feb270f2860b..02d47fabae65 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; @@ -118,6 +119,10 @@ static const struct coda_fmt coda_formats[] = { .name = "YUV 4:2:0 Planar, YCrCb", .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 * -- 2.39.5