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.valen...@nokia.com> 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.valen...@nokia.com>
>
> 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
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