diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-av-core.h')
| -rw-r--r-- | drivers/media/video/cx18/cx18-av-core.h | 44 |
1 files changed, 40 insertions, 4 deletions
diff --git a/drivers/media/video/cx18/cx18-av-core.h b/drivers/media/video/cx18/cx18-av-core.h index cf68a6039091..9b84a0c58e0e 100644 --- a/drivers/media/video/cx18/cx18-av-core.h +++ b/drivers/media/video/cx18/cx18-av-core.h @@ -25,6 +25,8 @@ #ifndef _CX18_AV_CORE_H_ #define _CX18_AV_CORE_H_ +#include <media/v4l2-device.h> + struct cx18; enum cx18_av_video_input { @@ -73,17 +75,40 @@ enum cx18_av_audio_input { }; struct cx18_av_state { + struct v4l2_subdev sd; int radio; v4l2_std_id std; enum cx18_av_video_input vid_input; enum cx18_av_audio_input aud_input; u32 audclk_freq; int audmode; - int vbi_line_offset; int default_volume; u32 id; u32 rev; int is_initialized; + + /* + * The VBI slicer starts operating and counting lines, begining at + * slicer line count of 1, at D lines after the deassertion of VRESET. + * This staring field line, S, is 6 (& 319) or 10 (& 273) for 625 or 525 + * line systems respectively. Sliced ancillary data captured on VBI + * slicer line M is inserted after the VBI slicer is done with line M, + * when VBI slicer line count is N = M+1. Thus when the VBI slicer + * reports a VBI slicer line number with ancillary data, the IDID0 byte + * indicates VBI slicer line N. The actual field line that the captured + * data comes from is + * + * L = M+(S+D-1) = N-1+(S+D-1) = N + (S+D-2). + * + * L is the line in the field, not frame, from which the VBI data came. + * N is the line reported by the slicer in the ancillary data. + * D is the slicer_line_delay value programmed into register 0x47f. + * S is 6 for 625 line systems or 10 for 525 line systems + * (S+D-2) is the slicer_line_offset used to convert slicer reported + * line counts to actual field lines. + */ + int slicer_line_delay; + int slicer_line_offset; }; @@ -298,6 +323,11 @@ struct cx18_av_state { #define CXADEC_SELECT_AUDIO_STANDARD_FM 0xF9 /* FM radio */ #define CXADEC_SELECT_AUDIO_STANDARD_AUTO 0xFF /* Auto detect */ +static inline struct cx18_av_state *to_cx18_av_state(struct v4l2_subdev *sd) +{ + return container_of(sd, struct cx18_av_state, sd); +} + /* ----------------------------------------------------------------------- */ /* cx18_av-core.c */ int cx18_av_write(struct cx18 *cx, u16 addr, u8 value); @@ -310,20 +340,26 @@ u8 cx18_av_read(struct cx18 *cx, u16 addr); u32 cx18_av_read4(struct cx18 *cx, u16 addr); int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned mask, u8 value); int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 mask, u32 value); -int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg); void cx18_av_std_setup(struct cx18 *cx); +int cx18_av_probe(struct cx18 *cx); + /* ----------------------------------------------------------------------- */ /* cx18_av-firmware.c */ int cx18_av_loadfw(struct cx18 *cx); /* ----------------------------------------------------------------------- */ /* cx18_av-audio.c */ -int cx18_av_audio(struct cx18 *cx, unsigned int cmd, void *arg); +int cx18_av_audio_g_ctrl(struct cx18 *cx, struct v4l2_control *ctrl); +int cx18_av_audio_s_ctrl(struct cx18 *cx, struct v4l2_control *ctrl); +int cx18_av_s_clock_freq(struct v4l2_subdev *sd, u32 freq); void cx18_av_audio_set_path(struct cx18 *cx); /* ----------------------------------------------------------------------- */ /* cx18_av-vbi.c */ -int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg); +int cx18_av_decode_vbi_line(struct v4l2_subdev *sd, + struct v4l2_decode_vbi_line *vbi); +int cx18_av_vbi_g_fmt(struct cx18 *cx, struct v4l2_format *fmt); +int cx18_av_vbi_s_fmt(struct cx18 *cx, struct v4l2_format *fmt); #endif |