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

From: john.wei
Date: Thu May 06 2021 - 22:54:09 EST


From: John Wei <john.wei@xxxxxxxxxxxx>

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@xxxxxxxxxxxx>
---
include/media/v4l2-subdev.h | 25 ++++++++++++++++++++++++-
1 file changed, 24 insertions(+), 1 deletion(-)

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,
--
1.7.9.5