MFC: Add s_ctrl & g_ctrl to set and read SET_FRAME_TAG valuestracking-samslt-mfc-ll-20120716.1tracking-samslt-mfc-ll-20120716.0tracking-samslt-mfc-ll-20120712.0tracking-samslt-mfc-ll-20120711.0tracking-samslt-mfc-ll-20120710.0tracking-samslt-mfc-ll-20120627.0tracking-samslt-mfc-ll-20120625.0tracking-samslt-mfc-ll-20120622.0tracking-samslt-mfc-ll-20120621.0

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
[tushar.behera@linaro.org: CID uses V4L2_CID_PRIVATE_BASE]
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>

5 files changed, 31 insertions, 1 deletions

diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_common.h b/drivers/media/video/s5p-mfc/s5p_mfc_common.h
index bd5706a6bad1..31a7def32d6f 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc_common.h
+++ b/drivers/media/video/s5p-mfc/s5p_mfc_common.h
@@ -530,6 +530,7 @@ struct s5p_mfc_ctx {
 
 	struct v4l2_ctrl *ctrls[MFC_MAX_CTRLS];
 	struct v4l2_ctrl_handler ctrl_handler;
+	unsigned int frame_tag;
 };
 
 /*
diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_dec.c b/drivers/media/video/s5p-mfc/s5p_mfc_dec.c
index c25ec022d267..b03ee5ef906b 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/video/s5p-mfc/s5p_mfc_dec.c
@@ -167,6 +167,16 @@ static struct mfc_control controls[] = {
 		.default_value = 1,
 		.is_volatile = 1,
 	},
+	{
+		.id = V4L2_CID_CODEC_FRAME_TAG,
+		.type = V4L2_CTRL_TYPE_INTEGER,
+		.name = "Frame Tag",
+		.minimum = 0,
+		.maximum = INT_MAX,
+		.step = 1,
+		.default_value = 0,
+		.is_volatile = 1,
+	},
 };
 
 #define NUM_CTRLS ARRAY_SIZE(controls)
@@ -638,6 +648,9 @@ static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl)
 	case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE:
 		ctx->slice_interface = ctrl->val;
 		break;
+	case V4L2_CID_CODEC_FRAME_TAG:
+		ctx->frame_tag = ctrl->val;
+		break;
 	default:
 		mfc_err("Invalid control 0x%08x\n", ctrl->id);
 		return -EINVAL;
@@ -672,6 +685,9 @@ static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl)
 			return -EINVAL;
 		}
 		break;
+	case V4L2_CID_CODEC_FRAME_TAG:
+		ctrl->val = s5p_mfc_read_shm(ctx, GET_FRAME_TAG_TOP);
+		break;
 	}
 	return 0;
 }
diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_opr.c b/drivers/media/video/s5p-mfc/s5p_mfc_opr.c
index e6217cbfa4a3..d3cf95eaec89 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc_opr.c
+++ b/drivers/media/video/s5p-mfc/s5p_mfc_opr.c
@@ -1003,6 +1003,8 @@ int s5p_mfc_init_decode(struct s5p_mfc_ctx *ctx)
 	mfc_write(dev,
 	((S5P_FIMV_CH_SEQ_HEADER & S5P_FIMV_CH_MASK) << S5P_FIMV_CH_SHIFT)
 				| (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
+
+
 	return 0;
 }
 
@@ -1029,6 +1031,8 @@ int s5p_mfc_decode_one_frame(struct s5p_mfc_ctx *ctx,
 	mfc_write(dev, ctx->dec_dst_flag, S5P_FIMV_SI_CH0_RELEASE_BUF);
 	s5p_mfc_set_shared_buffer(ctx);
 	s5p_mfc_set_flush(ctx, ctx->dpb_flush_flag);
+
+	s5p_mfc_write_shm(ctx, ctx->frame_tag, S5P_FIMV_SHARED_SET_FRAME_TAG);
 	/* Issue different commands to instance basing on whether it
 	 * is the last frame or not. */
 	switch (last_frame) {
diff --git a/drivers/media/video/v4l2-ctrls.c b/drivers/media/video/v4l2-ctrls.c
index 9abd9abd4502..fd9a7f9b4d61 100644
--- a/drivers/media/video/v4l2-ctrls.c
+++ b/drivers/media/video/v4l2-ctrls.c
@@ -640,6 +640,7 @@ const char *v4l2_ctrl_get_name(u32 id)
 	case V4L2_CID_MPEG_VIDEO_VBV_SIZE:			return "VBV Buffer Size";
 	case V4L2_CID_MPEG_VIDEO_DEC_PTS:			return "Video Decoder PTS";
 	case V4L2_CID_MPEG_VIDEO_DEC_FRAME:			return "Video Decoder Frame Count";
+	case V4L2_CID_CODEC_FRAME_TAG:				return "Video Decoder Frame Tag";
 
 	/* CAMERA controls */
 	/* Keep the order of the 'case's the same as in videodev2.h! */
@@ -864,6 +865,12 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
 		/* Max is calculated as RGB888 that is 2^24 */
 		*max = 0xFFFFFF;
 		break;
+	case V4L2_CID_CODEC_FRAME_TAG:
+		*type = V4L2_CTRL_TYPE_INTEGER;
+		*step = 1;
+		*min = 0;
+		*max = INT_MAX;
+		break;
 	case V4L2_CID_FLASH_FAULT:
 	case V4L2_CID_JPEG_ACTIVE_MARKER:
 	case V4L2_CID_3A_LOCK:
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 370d11106c11..626f97b23b86 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -1404,8 +1404,10 @@ enum v4l2_colorfx {
 #define V4L2_CID_ALPHA_COMPONENT		(V4L2_CID_BASE+41)
 #define V4L2_CID_COLORFX_CBCR			(V4L2_CID_BASE+42)
 
+#define V4L2_CID_CODEC_FRAME_TAG		(V4L2_CID_BASE+43)
 /* last CID + 1 */
-#define V4L2_CID_LASTP1                         (V4L2_CID_BASE+43)
+#define V4L2_CID_LASTP1                         (V4L2_CID_BASE+44)
+
 
 /*  MPEG-class control IDs defined by V4L2 */
 #define V4L2_CID_MPEG_BASE 			(V4L2_CTRL_CLASS_MPEG | 0x900)