diff options
Diffstat (limited to 'include/media/v4l2-subdev.h')
| -rw-r--r-- | include/media/v4l2-subdev.h | 70 |
1 files changed, 44 insertions, 26 deletions
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 2bcdca0..a888893 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -184,28 +184,6 @@ struct v4l2_subdev_audio_ops { }; /* - decode_vbi_line: video decoders that support sliced VBI need to implement - this ioctl. Field p of the v4l2_sliced_vbi_line struct is set to the - start of the VBI data that was generated by the decoder. The driver - then parses the sliced VBI data and sets the other fields in the - struct accordingly. The pointer p is updated to point to the start of - the payload which can be copied verbatim into the data field of the - v4l2_sliced_vbi_data struct. If no valid VBI data was found, then the - type field is set to 0 on return. - - s_vbi_data: used to generate VBI signals on a video signal. - v4l2_sliced_vbi_data is filled with the data packets that should be - output. Note that if you set the line field to 0, then that VBI signal - is disabled. If no valid VBI data was found, then the type field is - set to 0 on return. - - g_vbi_data: used to obtain the sliced VBI packet from a readback register. - Not all video decoders support this. If no data is available because - the readback register contains invalid or erroneous data -EIO is - returned. Note that you must fill in the 'id' member and the 'field' - member (to determine whether CC data from the first or second field - should be obtained). - s_std_output: set v4l2_std_id for video OUTPUT devices. This is ignored by video input devices. @@ -243,10 +221,6 @@ struct v4l2_subdev_audio_ops { struct v4l2_subdev_video_ops { int (*s_routing)(struct v4l2_subdev *sd, u32 input, u32 output, u32 config); int (*s_crystal_freq)(struct v4l2_subdev *sd, u32 freq, u32 flags); - int (*decode_vbi_line)(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi_line); - int (*s_vbi_data)(struct v4l2_subdev *sd, const struct v4l2_sliced_vbi_data *vbi_data); - int (*g_vbi_data)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_data *vbi_data); - int (*g_sliced_vbi_cap)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_cap *cap); int (*s_std_output)(struct v4l2_subdev *sd, v4l2_std_id std); int (*querystd)(struct v4l2_subdev *sd, v4l2_std_id *std); int (*g_input_status)(struct v4l2_subdev *sd, u32 *status); @@ -262,6 +236,8 @@ struct v4l2_subdev_video_ops { int (*s_parm)(struct v4l2_subdev *sd, struct v4l2_streamparm *param); int (*enum_framesizes)(struct v4l2_subdev *sd, struct v4l2_frmsizeenum *fsize); int (*enum_frameintervals)(struct v4l2_subdev *sd, struct v4l2_frmivalenum *fival); + int (*enum_dv_presets) (struct v4l2_subdev *sd, + struct v4l2_dv_enum_preset *preset); int (*s_dv_preset)(struct v4l2_subdev *sd, struct v4l2_dv_preset *preset); int (*query_dv_preset)(struct v4l2_subdev *sd, @@ -280,6 +256,45 @@ struct v4l2_subdev_video_ops { struct v4l2_mbus_framefmt *fmt); }; +/* + decode_vbi_line: video decoders that support sliced VBI need to implement + this ioctl. Field p of the v4l2_sliced_vbi_line struct is set to the + start of the VBI data that was generated by the decoder. The driver + then parses the sliced VBI data and sets the other fields in the + struct accordingly. The pointer p is updated to point to the start of + the payload which can be copied verbatim into the data field of the + v4l2_sliced_vbi_data struct. If no valid VBI data was found, then the + type field is set to 0 on return. + + s_vbi_data: used to generate VBI signals on a video signal. + v4l2_sliced_vbi_data is filled with the data packets that should be + output. Note that if you set the line field to 0, then that VBI signal + is disabled. If no valid VBI data was found, then the type field is + set to 0 on return. + + g_vbi_data: used to obtain the sliced VBI packet from a readback register. + Not all video decoders support this. If no data is available because + the readback register contains invalid or erroneous data -EIO is + returned. Note that you must fill in the 'id' member and the 'field' + member (to determine whether CC data from the first or second field + should be obtained). + + s_raw_fmt: setup the video encoder/decoder for raw VBI. + + g_sliced_fmt: retrieve the current sliced VBI settings. + + s_sliced_fmt: setup the sliced VBI settings. + */ +struct v4l2_subdev_vbi_ops { + int (*decode_vbi_line)(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi_line); + int (*s_vbi_data)(struct v4l2_subdev *sd, const struct v4l2_sliced_vbi_data *vbi_data); + int (*g_vbi_data)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_data *vbi_data); + int (*g_sliced_vbi_cap)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_cap *cap); + int (*s_raw_fmt)(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt); + int (*g_sliced_fmt)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt); + int (*s_sliced_fmt)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt); +}; + /** * struct v4l2_subdev_sensor_ops - v4l2-subdev sensor operations * @g_skip_top_lines: number of lines at the top of the image to be skipped. @@ -379,6 +394,7 @@ struct v4l2_subdev_ops { const struct v4l2_subdev_tuner_ops *tuner; const struct v4l2_subdev_audio_ops *audio; const struct v4l2_subdev_video_ops *video; + const struct v4l2_subdev_vbi_ops *vbi; const struct v4l2_subdev_ir_ops *ir; const struct v4l2_subdev_sensor_ops *sensor; }; @@ -387,6 +403,8 @@ struct v4l2_subdev_ops { /* Set this flag if this subdev is a i2c device. */ #define V4L2_SUBDEV_FL_IS_I2C (1U << 0) +/* Set this flag if this subdev is a spi device. */ +#define V4L2_SUBDEV_FL_IS_SPI (1U << 1) /* Each instance of a subdev driver should create this struct, either stand-alone or embedded in a larger struct. |
