[media] vcodec: mediatek: Add Mediatek H264 Video Decoder Drive

Add h264 decoder driver for MT8173
Signed-off-by: PC Chen <pc.chen@mediatek.com>
Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/platform/mtk-vcodec/Makefile

@@ -3,7 +3,8 @@ obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk-vcodec-dec.o \
 				       mtk-vcodec-enc.o \
 				       mtk-vcodec-common.o
 
-mtk-vcodec-dec-y := mtk_vcodec_dec_drv.o \
+mtk-vcodec-dec-y := vdec/vdec_h264_if.o \
+		mtk_vcodec_dec_drv.o \
 		vdec_drv_if.o \
 		vdec_vpu_if.o \
 		mtk_vcodec_dec.o \

drivers/media/platform/mtk-vcodec/vdec_drv_if.c

@@ -23,6 +23,7 @@
 #include "mtk_vcodec_dec_pm.h"
 #include "mtk_vpu.h"
 
+const struct vdec_common_if *get_h264_dec_comm_if(void);
 
 int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
 {
@@ -30,6 +31,8 @@ int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
 
 	switch (fourcc) {
 	case V4L2_PIX_FMT_H264:
+		ctx->dec_if = get_h264_dec_comm_if();
+		break;
 	case V4L2_PIX_FMT_VP8:
 		break;
 	default: