media: mediatek: vcodec: Getting supported decoder format types

Getting supported output and capture queue format types according
to decoder capability.

Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_stateless.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_stateless.c
index 0034b2ee925957f68c2b147fdd57d90d9856f130..5101322f4fe94adfd35699f5d7071db36bdae681 100644 (file)
--- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_stateless.c
+++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_stateless.c
@@ -81,34 +81,23 @@ static const struct mtk_stateless_control mtk_stateless_controls[] = {
 
 #define NUM_CTRLS ARRAY_SIZE(mtk_stateless_controls)
 
-static const struct mtk_video_fmt mtk_video_formats[] = {
-       {
-               .fourcc = V4L2_PIX_FMT_H264_SLICE,
-               .type = MTK_FMT_DEC,
-               .num_planes = 1,
-       },
-       {
-               .fourcc = V4L2_PIX_FMT_MM21,
-               .type = MTK_FMT_FRAME,
-               .num_planes = 2,
-       },
-};
-
-static const unsigned int num_supported_formats = ARRAY_SIZE(mtk_video_formats);
-
-#define DEFAULT_OUT_FMT_IDX    0
-#define DEFAULT_CAP_FMT_IDX    1
-
-static const struct mtk_codec_framesizes mtk_vdec_framesizes[] = {
-       {
-               .fourcc = V4L2_PIX_FMT_H264_SLICE,
-               .stepwise = {  MTK_VDEC_MIN_W, MTK_VDEC_MAX_W, 16,
-                               MTK_VDEC_MIN_H, MTK_VDEC_MAX_H, 16 },
-       },
+static struct mtk_video_fmt mtk_video_formats[2];
+static struct mtk_codec_framesizes mtk_vdec_framesizes[1];
+
+static struct mtk_video_fmt default_out_format;
+static struct mtk_video_fmt default_cap_format;
+static unsigned int num_formats;
+static unsigned int num_framesizes;
+
+static struct v4l2_frmsize_stepwise stepwise_fhd = {
+       .min_width = MTK_VDEC_MIN_W,
+       .max_width = MTK_VDEC_MAX_W,
+       .step_width = 16,
+       .min_height = MTK_VDEC_MIN_H,
+       .max_height = MTK_VDEC_MAX_H,
+       .step_height = 16
 };
 
-static const unsigned int num_supported_framesize = ARRAY_SIZE(mtk_vdec_framesizes);
-
 static void mtk_vdec_stateless_cap_to_disp(struct mtk_vcodec_ctx *ctx, int error,
                                           struct media_request *src_buf_req)
 {
@@ -323,6 +312,62 @@ const struct media_device_ops mtk_vcodec_media_ops = {
        .req_queue      = v4l2_m2m_request_queue,
 };
 
+static void mtk_vcodec_add_formats(unsigned int fourcc,
+                                  struct mtk_vcodec_ctx *ctx)
+{
+       struct mtk_vcodec_dev *dev = ctx->dev;
+       const struct mtk_vcodec_dec_pdata *pdata = dev->vdec_pdata;
+       int count_formats = *pdata->num_formats;
+       int count_framesizes = *pdata->num_framesizes;
+
+       switch (fourcc) {
+       case V4L2_PIX_FMT_H264_SLICE:
+               mtk_video_formats[count_formats].fourcc = fourcc;
+               mtk_video_formats[count_formats].type = MTK_FMT_DEC;
+               mtk_video_formats[count_formats].num_planes = 1;
+
+               mtk_vdec_framesizes[count_framesizes].fourcc = fourcc;
+               mtk_vdec_framesizes[count_framesizes].stepwise = stepwise_fhd;
+               num_framesizes++;
+               break;
+       case V4L2_PIX_FMT_MM21:
+               mtk_video_formats[count_formats].fourcc = fourcc;
+               mtk_video_formats[count_formats].type = MTK_FMT_FRAME;
+               mtk_video_formats[count_formats].num_planes = 2;
+               break;
+       default:
+               mtk_v4l2_err("Can not add unsupported format type");
+               return;
+       }
+
+       num_formats++;
+       mtk_v4l2_debug(3, "num_formats: %d num_frames:%d dec_capability: 0x%x",
+                      count_formats, count_framesizes, ctx->dev->dec_capability);
+}
+
+static void mtk_vcodec_get_supported_formats(struct mtk_vcodec_ctx *ctx)
+{
+       int cap_format_count = 0, out_format_count = 0;
+
+       if (num_formats && num_framesizes)
+               return;
+
+       if (ctx->dev->dec_capability & MTK_VDEC_FORMAT_MM21) {
+               mtk_vcodec_add_formats(V4L2_PIX_FMT_MM21, ctx);
+               cap_format_count++;
+       }
+       if (ctx->dev->dec_capability & MTK_VDEC_FORMAT_H264_SLICE) {
+               mtk_vcodec_add_formats(V4L2_PIX_FMT_H264_SLICE, ctx);
+               out_format_count++;
+       }
+
+       if (cap_format_count)
+               default_cap_format = mtk_video_formats[cap_format_count - 1];
+       if (out_format_count)
+               default_out_format =
+                       mtk_video_formats[cap_format_count + out_format_count - 1];
+}
+
 static void mtk_init_vdec_params(struct mtk_vcodec_ctx *ctx)
 {
        struct vb2_queue *src_vq;
@@ -330,6 +375,11 @@ static void mtk_init_vdec_params(struct mtk_vcodec_ctx *ctx)
        src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
                                 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
 
+       if (!ctx->dev->vdec_pdata->is_subdev_supported)
+               ctx->dev->dec_capability |=
+                       MTK_VDEC_FORMAT_H264_SLICE | MTK_VDEC_FORMAT_MM21;
+       mtk_vcodec_get_supported_formats(ctx);
+
        /* Support request api for output plane */
        src_vq->supports_requests = true;
        src_vq->requires_requests = true;
@@ -363,11 +413,11 @@ const struct mtk_vcodec_dec_pdata mtk_vdec_8183_pdata = {
        .ctrls_setup = mtk_vcodec_dec_ctrls_setup,
        .vdec_vb2_ops = &mtk_vdec_request_vb2_ops,
        .vdec_formats = mtk_video_formats,
-       .num_formats = &num_supported_formats,
-       .default_out_fmt = &mtk_video_formats[DEFAULT_OUT_FMT_IDX],
-       .default_cap_fmt = &mtk_video_formats[DEFAULT_CAP_FMT_IDX],
+       .num_formats = &num_formats,
+       .default_out_fmt = &default_out_format,
+       .default_cap_fmt = &default_cap_format,
        .vdec_framesizes = mtk_vdec_framesizes,
-       .num_framesizes = &num_supported_framesize,
+       .num_framesizes = &num_framesizes,
        .uses_stateless_api = true,
        .worker = mtk_vdec_worker,
        .flush_decoder = mtk_vdec_flush_decoder,
@@ -383,11 +433,11 @@ const struct mtk_vcodec_dec_pdata mtk_lat_sig_core_pdata = {
        .ctrls_setup = mtk_vcodec_dec_ctrls_setup,
        .vdec_vb2_ops = &mtk_vdec_request_vb2_ops,
        .vdec_formats = mtk_video_formats,
-       .num_formats = &num_supported_formats,
-       .default_out_fmt = &mtk_video_formats[DEFAULT_OUT_FMT_IDX],
-       .default_cap_fmt = &mtk_video_formats[DEFAULT_CAP_FMT_IDX],
+       .num_formats = &num_formats,
+       .default_out_fmt = &default_out_format,
+       .default_cap_fmt = &default_cap_format,
        .vdec_framesizes = mtk_vdec_framesizes,
-       .num_framesizes = &num_supported_framesize,
+       .num_framesizes = &num_framesizes,
        .uses_stateless_api = true,
        .worker = mtk_vdec_worker,
        .flush_decoder = mtk_vdec_flush_decoder,