diff --git a/drivers/media/platform/qcom/iris/iris_buffer.c b/drivers/media/platform/qcom/iris/iris_buffer.c index ef7f6f931557..fbe2dd87f0d6 100644 --- a/drivers/media/platform/qcom/iris/iris_buffer.c +++ b/drivers/media/platform/qcom/iris/iris_buffer.c @@ -15,8 +15,11 @@ #define MAX_WIDTH 4096 #define MAX_HEIGHT 2304 #define Y_STRIDE_ALIGN 128 +#define Y_STRIDE_ALIGN_P010 256 #define UV_STRIDE_ALIGN 128 +#define UV_STRIDE_ALIGN_P010 256 #define Y_SCANLINE_ALIGN 32 +#define Y_SCANLINE_ALIGN_QC10C 16 #define UV_SCANLINE_ALIGN 16 #define UV_SCANLINE_ALIGN_QC08C 32 #define META_STRIDE_ALIGNED 64 @@ -80,6 +83,63 @@ static u32 iris_yuv_buffer_size_nv12(struct iris_inst *inst) return ALIGN(y_plane + uv_plane, PIXELS_4K); } +/* + * P010: + * YUV 4:2:0 image with a plane of 10 bit Y samples followed + * by an interleaved U/V plane containing 10 bit 2x2 subsampled + * colour difference samples. + * + * <-Y/UV_Stride (aligned to 256)-> + * <----- Width*2 -------> + * Y Y Y Y Y Y Y Y Y Y Y Y . . . . ^ ^ + * Y Y Y Y Y Y Y Y Y Y Y Y . . . . | | + * Y Y Y Y Y Y Y Y Y Y Y Y . . . . Height | + * Y Y Y Y Y Y Y Y Y Y Y Y . . . . | y_scanlines (aligned to 32) + * Y Y Y Y Y Y Y Y Y Y Y Y . . . . | | + * Y Y Y Y Y Y Y Y Y Y Y Y . . . . | | + * Y Y Y Y Y Y Y Y Y Y Y Y . . . . | | + * Y Y Y Y Y Y Y Y Y Y Y Y . . . . V | + * . . . . . . . . . . . . . . . . | + * . . . . . . . . . . . . . . . . | + * . . . . . . . . . . . . . . . . | + * . . . . . . . . . . . . . . . . V + * U V U V U V U V U V U V . . . . ^ + * U V U V U V U V U V U V . . . . | + * U V U V U V U V U V U V . . . . | + * U V U V U V U V U V U V . . . . uv_scanlines (aligned to 16) + * . . . . . . . . . . . . . . . . | + * . . . . . . . . . . . . . . . . V + * . . . . . . . . . . . . . . . . --> Buffer size aligned to 4K + * + * y_stride : Width*2 aligned to 256 + * uv_stride : Width*2 aligned to 256 + * y_scanlines: Height aligned to 32 + * uv_scanlines: Height/2 aligned to 16 + * Total size = align((y_stride * y_scanlines + * + uv_stride * uv_scanlines , 4096) + * + * Note: All the alignments are hardware requirements. + */ +static u32 iris_yuv_buffer_size_p010(struct iris_inst *inst) +{ + u32 y_plane, uv_plane, y_stride, uv_stride, y_scanlines, uv_scanlines; + struct v4l2_format *f; + + if (inst->domain == DECODER) + f = inst->fmt_dst; + else + f = inst->fmt_src; + + y_stride = ALIGN(f->fmt.pix_mp.width * 2, Y_STRIDE_ALIGN_P010); + uv_stride = ALIGN(f->fmt.pix_mp.width * 2, UV_STRIDE_ALIGN_P010); + y_scanlines = ALIGN(f->fmt.pix_mp.height, Y_SCANLINE_ALIGN); + uv_scanlines = ALIGN((f->fmt.pix_mp.height + 1) >> 1, UV_SCANLINE_ALIGN); + y_plane = y_stride * y_scanlines; + uv_plane = uv_stride * uv_scanlines; + + return ALIGN(y_plane + uv_plane, PIXELS_4K); +} + /* * QC08C: * Compressed Macro-tile format for NV12. @@ -204,6 +264,132 @@ static u32 iris_yuv_buffer_size_qc08c(struct iris_inst *inst) return ALIGN(y_meta_plane + y_plane + uv_meta_plane + uv_plane, PIXELS_4K); } +/* + * QC10C: + * UBWC-compressed format for P010. + * Contains 4 planes in the following order - + * (A) Y_Meta_Plane + * (B) Y_UBWC_Plane + * (C) UV_Meta_Plane + * (D) UV_UBWC_Plane + * + * Y_Meta_Plane consists of meta information to decode compressed + * tile data in Y_UBWC_Plane. + * Y_UBWC_Plane consists of Y data in compressed macro-tile format. + * UBWC decoder block will use the Y_Meta_Plane data together with + * Y_UBWC_Plane data to produce loss-less uncompressed 10 bit Y samples. + * + * UV_Meta_Plane consists of meta information to decode compressed + * tile data in UV_UBWC_Plane. + * UV_UBWC_Plane consists of UV data in compressed macro-tile format. + * UBWC decoder block will use UV_Meta_Plane data together with + * UV_UBWC_Plane data to produce loss-less uncompressed 10 bit 2x2 + * subsampled color difference samples. + * + * Each tile in Y_UBWC_Plane/UV_UBWC_Plane is independently decodable + * and randomly accessible. There is no dependency between tiles. + * + * <----- Y Meta stride -----> (aligned to 64) + * <-------- Width ----------> (aligned to 48) + * M M M M M M M M M M M M . . ^ ^ + * M M M M M M M M M M M M . . | | + * M M M M M M M M M M M M . . Height | + * M M M M M M M M M M M M . . | Meta_Y_Scanlines (aligned to 16) + * M M M M M M M M M M M M . . | | + * M M M M M M M M M M M M . . | | + * M M M M M M M M M M M M . . | | + * M M M M M M M M M M M M . . V | + * . . . . . . . . . . . . . . | + * . . . . . . . . . . . . . . | + * . . . . . . . . . . . . . . -------> Buffer size aligned to 4k + * . . . . . . . . . . . . . . V + * <--Compressed tile Y stride --> (aligned to 256) + * <------- Width * 4/3 ---------> (aligned to 48) + * Y* Y* Y* Y* Y* Y* Y* Y* . . . . ^ ^ + * Y* Y* Y* Y* Y* Y* Y* Y* . . . . | | + * Y* Y* Y* Y* Y* Y* Y* Y* . . . . Height | + * Y* Y* Y* Y* Y* Y* Y* Y* . . . . | Macro_tile_Y_Scanlines (aligned to 16) + * Y* Y* Y* Y* Y* Y* Y* Y* . . . . | | + * Y* Y* Y* Y* Y* Y* Y* Y* . . . . | | + * Y* Y* Y* Y* Y* Y* Y* Y* . . . . | | + * Y* Y* Y* Y* Y* Y* Y* Y* . . . . V | + * . . . . . . . . . . . . . . . . | + * . . . . . . . . . . . . . . . . | + * . . . . . . . . . . . . . . . . -------> Buffer size aligned to 4k + * . . . . . . . . . . . . . . . . V + * <---- UV Meta stride ----> (aligned to 64) + * <----- Width / 2 --------> (aligned to 24) + * M M M M M M M M M M M M . . ^ ^ + * M M M M M M M M M M M M . . | | + * M M M M M M M M M M M M . . Height/2 | + * M M M M M M M M M M M M . . V M_UV_Scanlines (aligned to 16) + * . . . . . . . . . . . . . . | + * . . . . . . . . . . . . . . V + * . . . . . . . . . . . . . . -------> Buffer size aligned to 4k + * <--Compressed tile UV stride--> (aligned to 256) + * <------- Width * 4/3 ---------> (aligned to 48) + * U* V* U* V* U* V* U* V* . . . . ^ + * U* V* U* V* U* V* U* V* . . . . | + * U* V* U* V* U* V* U* V* . . . . | + * U* V* U* V* U* V* U* V* . . . . UV_Scanlines (aligned to 16) + * . . . . . . . . . . . . . . . . | + * . . . . . . . . . . . . . . . . V + * . . . . . . . . . . . . . . . . -------> Buffer size aligned to 4k + * + * y_stride: width aligned to 256 + * uv_stride: width aligned to 256 + * y_scanlines: height aligned to 16 + * uv_scanlines: height aligned to 16 + * y_plane: buffer size aligned to 4096 + * uv_plane: buffer size aligned to 4096 + * y_meta_stride: width aligned to 64 + * y_meta_scanlines: height aligned to 16 + * y_meta_plane: buffer size aligned to 4096 + * uv_meta_stride: width aligned to 64 + * uv_meta_scanlines: height aligned to 16 + * uv_meta_plane: buffer size aligned to 4096 + * + * Total size = align( y_plane + uv_plane + + * y_meta_plane + uv_meta_plane, 4096) + * + * Note: All the alignments are hardware requirements. + */ +static u32 iris_yuv_buffer_size_qc10c(struct iris_inst *inst) +{ + u32 y_plane, uv_plane, y_stride, uv_stride; + u32 uv_meta_stride, uv_meta_plane; + u32 y_meta_stride, y_meta_plane; + struct v4l2_format *f; + + if (inst->domain == DECODER) + f = inst->fmt_dst; + else + f = inst->fmt_src; + + y_meta_stride = ALIGN(DIV_ROUND_UP(f->fmt.pix_mp.width, 48), + META_STRIDE_ALIGNED); + y_meta_plane = y_meta_stride * ALIGN(DIV_ROUND_UP(f->fmt.pix_mp.height, 4), + META_SCANLINE_ALIGNED); + y_meta_plane = ALIGN(y_meta_plane, PIXELS_4K); + + y_stride = ALIGN(f->fmt.pix_mp.width * 4 / 3, Y_STRIDE_ALIGN_P010); + y_plane = ALIGN(y_stride * ALIGN(f->fmt.pix_mp.height, Y_SCANLINE_ALIGN_QC10C), + PIXELS_4K); + + uv_meta_stride = ALIGN(DIV_ROUND_UP((f->fmt.pix_mp.width + 1) >> 1, 24), + META_STRIDE_ALIGNED); + uv_meta_plane = uv_meta_stride * + ALIGN(DIV_ROUND_UP((f->fmt.pix_mp.height + 1) >> 1, 4), + META_SCANLINE_ALIGNED); + uv_meta_plane = ALIGN(uv_meta_plane, PIXELS_4K); + + uv_stride = ALIGN(f->fmt.pix_mp.width * 4 / 3, UV_STRIDE_ALIGN_P010); + uv_plane = ALIGN(uv_stride * ALIGN((f->fmt.pix_mp.height + 1) >> 1, UV_SCANLINE_ALIGN), + PIXELS_4K); + + return ALIGN(y_meta_plane + y_plane + uv_meta_plane + uv_plane, PIXELS_4K); +} + static u32 iris_dec_bitstream_buffer_size(struct iris_inst *inst) { struct platform_inst_caps *caps = inst->core->iris_platform_data->inst_caps; @@ -268,10 +454,17 @@ int iris_get_buffer_size(struct iris_inst *inst, case BUF_OUTPUT: if (inst->fmt_dst->fmt.pix_mp.pixelformat == V4L2_PIX_FMT_QC08C) return iris_yuv_buffer_size_qc08c(inst); + else if (inst->fmt_dst->fmt.pix_mp.pixelformat == V4L2_PIX_FMT_QC10C) + return iris_yuv_buffer_size_qc10c(inst); + else if (inst->fmt_dst->fmt.pix_mp.pixelformat == V4L2_PIX_FMT_P010) + return iris_yuv_buffer_size_p010(inst); else return iris_yuv_buffer_size_nv12(inst); case BUF_DPB: - return iris_yuv_buffer_size_qc08c(inst); + if (iris_fmt_is_10bit(inst->fmt_dst->fmt.pix_mp.pixelformat)) + return iris_yuv_buffer_size_qc10c(inst); + else + return iris_yuv_buffer_size_qc08c(inst); default: return 0; }