diff options
Diffstat (limited to 'drivers/staging/media/sunxi/cedrus/cedrus_h264.c')
-rw-r--r-- | drivers/staging/media/sunxi/cedrus/cedrus_h264.c | 91 |
1 files changed, 83 insertions, 8 deletions
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c index 8a09a08b1af2..bfb4a4820a67 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c @@ -39,7 +39,7 @@ struct cedrus_h264_sram_ref_pic { #define CEDRUS_H264_FRAME_NUM 18 #define CEDRUS_NEIGHBOR_INFO_BUF_SIZE (16 * SZ_1K) -#define CEDRUS_PIC_INFO_BUF_SIZE (128 * SZ_1K) +#define CEDRUS_MIN_PIC_INFO_BUF_SIZE (130 * SZ_1K) static void cedrus_h264_write_sram(struct cedrus_dev *dev, enum cedrus_h264_sram_off off, @@ -342,6 +342,20 @@ static void cedrus_set_params(struct cedrus_ctx *ctx, VE_H264_VLD_ADDR_FIRST | VE_H264_VLD_ADDR_VALID | VE_H264_VLD_ADDR_LAST); + if (ctx->src_fmt.width > 2048) { + cedrus_write(dev, VE_BUF_CTRL, + VE_BUF_CTRL_INTRAPRED_MIXED_RAM | + VE_BUF_CTRL_DBLK_MIXED_RAM); + cedrus_write(dev, VE_DBLK_DRAM_BUF_ADDR, + ctx->codec.h264.deblk_buf_dma); + cedrus_write(dev, VE_INTRAPRED_DRAM_BUF_ADDR, + ctx->codec.h264.intra_pred_buf_dma); + } else { + cedrus_write(dev, VE_BUF_CTRL, + VE_BUF_CTRL_INTRAPRED_INT_SRAM | + VE_BUF_CTRL_DBLK_INT_SRAM); + } + /* * FIXME: Since the bitstream parsing is done in software, and * in userspace, this shouldn't be needed anymore. But it @@ -502,18 +516,30 @@ static void cedrus_h264_setup(struct cedrus_ctx *ctx, static int cedrus_h264_start(struct cedrus_ctx *ctx) { struct cedrus_dev *dev = ctx->dev; + unsigned int pic_info_size; unsigned int field_size; unsigned int mv_col_size; int ret; + /* Formula for picture buffer size is taken from CedarX source. */ + + if (ctx->src_fmt.width > 2048) + pic_info_size = CEDRUS_H264_FRAME_NUM * 0x4000; + else + pic_info_size = CEDRUS_H264_FRAME_NUM * 0x1000; + /* - * FIXME: It seems that the H6 cedarX code is using a formula - * here based on the size of the frame, while all the older - * code is using a fixed size, so that might need to be - * changed at some point. + * FIXME: If V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY is set, + * there is no need to multiply by 2. */ + pic_info_size += ctx->src_fmt.height * 2 * 64; + + if (pic_info_size < CEDRUS_MIN_PIC_INFO_BUF_SIZE) + pic_info_size = CEDRUS_MIN_PIC_INFO_BUF_SIZE; + + ctx->codec.h264.pic_info_buf_size = pic_info_size; ctx->codec.h264.pic_info_buf = - dma_alloc_coherent(dev->dev, CEDRUS_PIC_INFO_BUF_SIZE, + dma_alloc_coherent(dev->dev, ctx->codec.h264.pic_info_buf_size, &ctx->codec.h264.pic_info_buf_dma, GFP_KERNEL); if (!ctx->codec.h264.pic_info_buf) @@ -566,15 +592,56 @@ static int cedrus_h264_start(struct cedrus_ctx *ctx) goto err_neighbor_buf; } + if (ctx->src_fmt.width > 2048) { + /* + * Formulas for deblock and intra prediction buffer sizes + * are taken from CedarX source. + */ + + ctx->codec.h264.deblk_buf_size = + ALIGN(ctx->src_fmt.width, 32) * 12; + ctx->codec.h264.deblk_buf = + dma_alloc_coherent(dev->dev, + ctx->codec.h264.deblk_buf_size, + &ctx->codec.h264.deblk_buf_dma, + GFP_KERNEL); + if (!ctx->codec.h264.deblk_buf) { + ret = -ENOMEM; + goto err_mv_col_buf; + } + + ctx->codec.h264.intra_pred_buf_size = + ALIGN(ctx->src_fmt.width, 64) * 5; + ctx->codec.h264.intra_pred_buf = + dma_alloc_coherent(dev->dev, + ctx->codec.h264.intra_pred_buf_size, + &ctx->codec.h264.intra_pred_buf_dma, + GFP_KERNEL); + if (!ctx->codec.h264.intra_pred_buf) { + ret = -ENOMEM; + goto err_deblk_buf; + } + } + return 0; +err_deblk_buf: + dma_free_coherent(dev->dev, ctx->codec.h264.deblk_buf_size, + ctx->codec.h264.deblk_buf, + ctx->codec.h264.deblk_buf_dma); + +err_mv_col_buf: + dma_free_coherent(dev->dev, ctx->codec.h264.mv_col_buf_size, + ctx->codec.h264.mv_col_buf, + ctx->codec.h264.mv_col_buf_dma); + err_neighbor_buf: dma_free_coherent(dev->dev, CEDRUS_NEIGHBOR_INFO_BUF_SIZE, ctx->codec.h264.neighbor_info_buf, ctx->codec.h264.neighbor_info_buf_dma); err_pic_buf: - dma_free_coherent(dev->dev, CEDRUS_PIC_INFO_BUF_SIZE, + dma_free_coherent(dev->dev, ctx->codec.h264.pic_info_buf_size, ctx->codec.h264.pic_info_buf, ctx->codec.h264.pic_info_buf_dma); return ret; @@ -590,9 +657,17 @@ static void cedrus_h264_stop(struct cedrus_ctx *ctx) dma_free_coherent(dev->dev, CEDRUS_NEIGHBOR_INFO_BUF_SIZE, ctx->codec.h264.neighbor_info_buf, ctx->codec.h264.neighbor_info_buf_dma); - dma_free_coherent(dev->dev, CEDRUS_PIC_INFO_BUF_SIZE, + dma_free_coherent(dev->dev, ctx->codec.h264.pic_info_buf_size, ctx->codec.h264.pic_info_buf, ctx->codec.h264.pic_info_buf_dma); + if (ctx->codec.h264.deblk_buf_size) + dma_free_coherent(dev->dev, ctx->codec.h264.deblk_buf_size, + ctx->codec.h264.deblk_buf, + ctx->codec.h264.deblk_buf_dma); + if (ctx->codec.h264.intra_pred_buf_size) + dma_free_coherent(dev->dev, ctx->codec.h264.intra_pred_buf_size, + ctx->codec.h264.intra_pred_buf, + ctx->codec.h264.intra_pred_buf_dma); } static void cedrus_h264_trigger(struct cedrus_ctx *ctx) |