Hi Mauro, On Tue, May 12, 2009 at 04:12:31AM +0200, ext Mauro Carvalho Chehab wrote: > Em Mon, 11 May 2009 12:31:43 +0300 > Eduardo Valentin <eduardo.valentin@xxxxxxxxx> escreveu: > > > This patch adds a new class of extended controls. This class > > is intended to support Radio Modulators properties such as: > > rds, audio limiters, audio compression, pilot tone generation, > > tuning power levels and region related properties. > > > > Signed-off-by: Eduardo Valentin <eduardo.valentin@xxxxxxxxx> > > Eduardo, > > Please provide us a patch also for V4L2 API for the new API controls you're > adding. I'll hold the analysis of the patch series until you provide us the > docs. So, there's no need to resubmit the entire patch series. > > The V4L2 API is maintained together with the mercurial development tree, at: > http://linuxtv.org/hg/v4l-dvb/ Right. That's something I was looking for. Thanks for the directions. I'll submit the docs then. > > under v4l2-spec/ directory. > > Cheers, > Mauro. > > > --- > > include/linux/videodev2.h | 45 +++++++++++++++++++++++++++++++++++++++++++++ > > 1 files changed, 45 insertions(+), 0 deletions(-) > > > > diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h > > index ebb2ea6..7559299 100644 > > --- a/include/linux/videodev2.h > > +++ b/include/linux/videodev2.h > > @@ -803,6 +803,7 @@ struct v4l2_ext_controls { > > #define V4L2_CTRL_CLASS_USER 0x00980000 /* Old-style 'user' controls */ > > #define V4L2_CTRL_CLASS_MPEG 0x00990000 /* MPEG-compression controls */ > > #define V4L2_CTRL_CLASS_CAMERA 0x009a0000 /* Camera class controls */ > > +#define V4L2_CTRL_CLASS_FMTX 0x009b0000 /* FM Radio Modulator class controls */ > > > > #define V4L2_CTRL_ID_MASK (0x0fffffff) > > #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) > > @@ -1141,6 +1142,50 @@ enum v4l2_exposure_auto_type { > > > > #define V4L2_CID_PRIVACY (V4L2_CID_CAMERA_CLASS_BASE+16) > > > > +/* FM Radio Modulator class control IDs */ > > +#define V4L2_CID_FMTX_CLASS_BASE (V4L2_CTRL_CLASS_FMTX | 0x900) > > +#define V4L2_CID_FMTX_CLASS (V4L2_CTRL_CLASS_FMTX | 1) > > + > > +#define V4L2_CID_RDS_ENABLED (V4L2_CID_FMTX_CLASS_BASE + 1) > > +#define V4L2_CID_RDS_PI (V4L2_CID_FMTX_CLASS_BASE + 2) > > +#define V4L2_CID_RDS_PTY (V4L2_CID_FMTX_CLASS_BASE + 3) > > +#define V4L2_CID_RDS_PS_NAME (V4L2_CID_FMTX_CLASS_BASE + 4) > > +#define V4L2_CID_RDS_RADIO_TEXT (V4L2_CID_FMTX_CLASS_BASE + 5) > > + > > +#define V4L2_CID_AUDIO_LIMITER_ENABLED (V4L2_CID_FMTX_CLASS_BASE + 6) > > +#define V4L2_CID_AUDIO_LIMITER_RELEASE_TIME (V4L2_CID_FMTX_CLASS_BASE + 7) > > +#define V4L2_CID_AUDIO_LIMITER_DEVIATION (V4L2_CID_FMTX_CLASS_BASE + 8) > > + > > +#define V4L2_CID_AUDIO_COMPRESSION_ENABLED (V4L2_CID_FMTX_CLASS_BASE + 9) > > +#define V4L2_CID_AUDIO_COMPRESSION_GAIN (V4L2_CID_FMTX_CLASS_BASE + 10) > > +#define V4L2_CID_AUDIO_COMPRESSION_THRESHOLD (V4L2_CID_FMTX_CLASS_BASE + 11) > > +#define V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME (V4L2_CID_FMTX_CLASS_BASE + 12) > > +#define V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME (V4L2_CID_FMTX_CLASS_BASE + 13) > > + > > +#define V4L2_CID_PILOT_TONE_ENABLED (V4L2_CID_FMTX_CLASS_BASE + 14) > > +#define V4L2_CID_PILOT_TONE_DEVIATION (V4L2_CID_FMTX_CLASS_BASE + 15) > > +#define V4L2_CID_PILOT_TONE_FREQUENCY (V4L2_CID_FMTX_CLASS_BASE + 16) > > + > > +#define V4L2_CID_REGION (V4L2_CID_FMTX_CLASS_BASE + 17) > > +enum v4l2_fmtx_region { > > + V4L2_FMTX_REGION_USA = 0, > > + V4L2_FMTX_REGION_AUSTRALIA = 1, > > + V4L2_FMTX_REGION_EUROPE = 2, > > + V4L2_FMTX_REGION_JAPAN = 3, > > + V4L2_FMTX_REGION_JAPAN_WIDE_BAND = 4, > > +}; > > +#define V4L2_CID_REGION_BOTTOM_FREQUENCY (V4L2_CID_FMTX_CLASS_BASE + 18) > > +#define V4L2_CID_REGION_TOP_FREQUENCY (V4L2_CID_FMTX_CLASS_BASE + 19) > > +#define V4L2_CID_REGION_PREEMPHASIS (V4L2_CID_FMTX_CLASS_BASE + 20) > > +enum v4l2_fmtx_preemphasis { > > + V4L2_FMTX_PREEMPHASIS_75_uS = 0, > > + V4L2_FMTX_PREEMPHASIS_50_uS = 1, > > + V4L2_FMTX_PREEMPHASIS_DISABLED = 2, > > +}; > > +#define V4L2_CID_REGION_CHANNEL_SPACING (V4L2_CID_FMTX_CLASS_BASE + 21) > > +#define V4L2_CID_TUNE_POWER_LEVEL (V4L2_CID_FMTX_CLASS_BASE + 22) > > +#define V4L2_CID_TUNE_ANTENNA_CAPACITOR (V4L2_CID_FMTX_CLASS_BASE + 23) > > + > > /* > > * T U N I N G > > */ > > > > > Cheers, > Mauro -- Eduardo Valentin -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
