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[RFC,V0,1/2] media: v4l2: Add fields to frame descriptors

Message ID 1620356017-26486-2-git-send-email-john.wei@mediatek.com
State New
Headers show
Series media: v4l2: extend framework to support advanced feature of Mediatek Camsys driver | expand

Commit Message

john.wei@mediatek.com May 7, 2021, 2:53 a.m. UTC 
From: John Wei <john.wei@mediatek.com>

Add enable, hsize, vsize, user_data_desc to frame descriptors

This patch is derived from following patches
https://patchwork.kernel.org/patch/10875875/
https://patchwork.kernel.org/patch/10875869/

Signed-off-by: John Wei <john.wei@mediatek.com>
---
 include/media/v4l2-subdev.h |   25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)
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Patch

diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 30ec011..f603831 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -308,15 +308,38 @@  struct v4l2_subdev_audio_ops {
 	int (*s_stream)(struct v4l2_subdev *sd, int enable);
 };
 
+enum v4l2_mbus_csi2_user_defined_data_desc {
+	V4L2_MBUS_CSI2_USER_DEFINED_DATA_DESC_NONE,
+	V4L2_MBUS_CSI2_USER_DEFINED_DATA_DESC_Y_HIST,
+	V4L2_MBUS_CSI2_USER_DEFINED_DATA_DESC_AE_HIST,
+	V4L2_MBUS_CSI2_USER_DEFINED_DATA_DESC_FLICKER,
+	V4L2_MBUS_CSI2_USER_DEFINED_DATA_DESC_GYRO,
+	V4L2_MBUS_CSI2_USER_DEFINED_DATA_DESC_PDAF_PIXEL,
+	V4L2_MBUS_CSI2_USER_DEFINED_DATA_DESC_PDAF_DIFF,
+	V4L2_MBUS_CSI2_USER_DEFINED_DATA_DESC_HDR_LE,
+	V4L2_MBUS_CSI2_USER_DEFINED_DATA_DESC_HDR_ME,
+	V4L2_MBUS_CSI2_USER_DEFINED_DATA_DESC_HDR_SE,
+	V4L2_MBUS_CSI2_USER_DEFINED_DATA_DESC_HDR_SSE,
+	V4L2_MBUS_CSI2_USER_DEFINED_DATA_DESC_HDR_SSSE,
+};
+
 /**
  * struct v4l2_mbus_frame_desc_entry_csi2
  *
  * @channel: CSI-2 virtual channel
  * @data_type: CSI-2 data type ID
+ * @enable: enable this data identifier
+ * @hsize: horizontal size
+ * @vsize: vertical size
+ * @user_data_desc: the description of user defined data
  */
 struct v4l2_mbus_frame_desc_entry_csi2 {
 	u8 channel;
 	u8 data_type;
+	u8 enable;
+	u16 hsize;
+	u16 vsize;
+	enum v4l2_mbus_csi2_user_defined_data_desc user_data_desc;
 };
 
 /**
@@ -354,7 +377,7 @@  struct v4l2_mbus_frame_desc_entry {
 	} bus;
 };
 
-#define V4L2_FRAME_DESC_ENTRY_MAX	4
+#define V4L2_FRAME_DESC_ENTRY_MAX	8
 
 enum v4l2_mbus_frame_desc_type {
 	V4L2_MBUS_FRAME_DESC_TYPE_PLATFORM,