diff options
Diffstat (limited to 'include/media/v4l2-subdev.h')
| -rw-r--r-- | include/media/v4l2-subdev.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 2ecd7377153b..b137a5e1151a 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -21,6 +21,7 @@ #ifndef _V4L2_SUBDEV_H #define _V4L2_SUBDEV_H +#include <linux/types.h> #include <linux/v4l2-subdev.h> #include <media/media-entity.h> #include <media/v4l2-common.h> @@ -45,6 +46,7 @@ struct v4l2_fh; struct v4l2_subdev; struct v4l2_subdev_fh; struct tuner_setup; +struct v4l2_mbus_frame_desc; /* decode_vbi_line */ struct v4l2_decode_vbi_line { @@ -226,6 +228,36 @@ struct v4l2_subdev_audio_ops { int (*s_stream)(struct v4l2_subdev *sd, int enable); }; +/* Indicates the @length field specifies maximum data length. */ +#define V4L2_MBUS_FRAME_DESC_FL_LEN_MAX (1U << 0) +/* Indicates user defined data format, i.e. non standard frame format. */ +#define V4L2_MBUS_FRAME_DESC_FL_BLOB (1U << 1) + +/** + * struct v4l2_mbus_frame_desc_entry - media bus frame description structure + * @flags: V4L2_MBUS_FRAME_DESC_FL_* flags + * @pixelcode: media bus pixel code, valid if FRAME_DESC_FL_BLOB is not set + * @length: number of octets per frame, valid for compressed or unspecified + * formats + */ +struct v4l2_mbus_frame_desc_entry { + u16 flags; + u32 pixelcode; + u32 length; +}; + +#define V4L2_FRAME_DESC_ENTRY_MAX 4 + +/** + * struct v4l2_mbus_frame_desc - media bus data frame description + * @entry: frame descriptors array + * @num_entries: number of entries in @entry array + */ +struct v4l2_mbus_frame_desc { + struct v4l2_mbus_frame_desc_entry entry[V4L2_FRAME_DESC_ENTRY_MAX]; + unsigned short num_entries; +}; + /* s_std_output: set v4l2_std_id for video OUTPUT devices. This is ignored by video input devices. @@ -274,6 +306,10 @@ struct v4l2_subdev_audio_ops { s_mbus_config: set a certain mediabus configuration. This operation is added for compatibility with soc-camera drivers and should not be used by new software. + + s_rx_buffer: set a host allocated memory buffer for the subdev. The subdev + can adjust @size to a lower value and must not write more data to the + buffer starting at @data than the original value of @size. */ struct v4l2_subdev_video_ops { int (*s_routing)(struct v4l2_subdev *sd, u32 input, u32 output, u32 config); @@ -327,6 +363,8 @@ struct v4l2_subdev_video_ops { struct v4l2_mbus_config *cfg); int (*s_mbus_config)(struct v4l2_subdev *sd, const struct v4l2_mbus_config *cfg); + int (*s_rx_buffer)(struct v4l2_subdev *sd, void *buf, + unsigned int *size); }; /* @@ -455,6 +493,12 @@ struct v4l2_subdev_ir_ops { struct v4l2_subdev_ir_parameters *params); }; +/** + * struct v4l2_subdev_pad_ops - v4l2-subdev pad level operations + * @get_frame_desc: get the current low level media bus frame parameters. + * @get_frame_desc: set the low level media bus frame parameters, @fd array + * may be adjusted by the subdev driver to device capabilities. + */ struct v4l2_subdev_pad_ops { int (*enum_mbus_code)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, struct v4l2_subdev_mbus_code_enum *code); @@ -483,6 +527,10 @@ struct v4l2_subdev_pad_ops { struct v4l2_subdev_format *source_fmt, struct v4l2_subdev_format *sink_fmt); #endif /* CONFIG_MEDIA_CONTROLLER */ + int (*get_frame_desc)(struct v4l2_subdev *sd, unsigned int pad, + struct v4l2_mbus_frame_desc *fd); + int (*set_frame_desc)(struct v4l2_subdev *sd, unsigned int pad, + struct v4l2_mbus_frame_desc *fd); }; struct v4l2_subdev_ops { |