Em 27-09-2011 16:16, Christian Gmeiner escreveu: > The ADV7175A/ADV7176A can operate in either 8-bit or 16-bit YCrCb mode. > > * 8-Bit YCrCb Mode > This default mode accepts multiplexed YCrCb inputs through > the P7-P0 pixel inputs. The inputs follow the sequence Cb0, Y0 > Cr0, Y1 Cb1, Y2, etc. The Y, Cb and Cr data are input on a > rising clock edge. > > * 16-Bit YCrCb Mode > This mode accepts Y inputs through the P7–P0 pixel inputs and > multiplexed CrCb inputs through the P15–P8 pixel inputs. The > data is loaded on every second rising edge of CLOCK. The inputs > follow the sequence Cb0, Y0 Cr0, Y1 Cb1, Y2, etc. > > Signed-off-by: Christian Gmeiner <christian.gmeiner@xxxxxxxxx> > --- > diff --git a/drivers/media/video/adv7175.c b/drivers/media/video/adv7175.c > index d2327db..206078e 100644 > --- a/drivers/media/video/adv7175.c > +++ b/drivers/media/video/adv7175.c > @@ -61,6 +61,11 @@ static inline struct adv7175 *to_adv7175(struct > v4l2_subdev *sd) Patch looks ok, but it got truncated by your emailer [1]... Couldn't apply it [1] http://patchwork.linuxtv.org/patch/7973/ Care to fix it and re-send? Thanks! Mauro > > static char *inputs[] = { "pass_through", "play_back", "color_bar" }; > > +static enum v4l2_mbus_pixelcode adv7175_codes[] = { > + V4L2_MBUS_FMT_UYVY8_2X8, > + V4L2_MBUS_FMT_UYVY8_1X16, > +}; > + > /* ----------------------------------------------------------------------- */ > > static inline int adv7175_write(struct v4l2_subdev *sd, u8 reg, u8 value) > @@ -296,6 +301,60 @@ static int adv7175_s_routing(struct v4l2_subdev *sd, > return 0; > } > > +static int adv7175_enum_fmt(struct v4l2_subdev *sd, unsigned int index, > + enum v4l2_mbus_pixelcode *code) > +{ > + if (index >= ARRAY_SIZE(adv7175_codes)) > + return -EINVAL; > + > + *code = adv7175_codes[index]; > + return 0; > +} > + > +static int adv7175_g_fmt(struct v4l2_subdev *sd, > + struct v4l2_mbus_framefmt *mf) > +{ > + u8 val = adv7175_read(sd, 0x7); > + > + if ((val & 0x40) == (1 << 6)) > + mf->code = V4L2_MBUS_FMT_UYVY8_1X16; > + else > + mf->code = V4L2_MBUS_FMT_UYVY8_2X8; > + > + mf->colorspace = V4L2_COLORSPACE_SMPTE170M; > + mf->width = 0; > + mf->height = 0; > + mf->field = V4L2_FIELD_ANY; > + > + return 0; > +} > + > +static int adv7175_s_fmt(struct v4l2_subdev *sd, > + struct v4l2_mbus_framefmt *mf) > +{ > + u8 val = adv7175_read(sd, 0x7); > + int ret; > + > + switch (mf->code) { > + case V4L2_MBUS_FMT_UYVY8_2X8: > + val &= ~0x40; > + break; > + > + case V4L2_MBUS_FMT_UYVY8_1X16: > + val |= 0x40; > + break; > + > + default: > + v4l2_dbg(1, debug, sd, > + "illegal v4l2_mbus_framefmt code: %d\n", mf->code); > + return -EINVAL; > + } > + > + ret = adv7175_write(sd, 0x7, val); > + > + return ret; > +} > + > static int adv7175_g_chip_ident(struct v4l2_subdev *sd, struct > v4l2_dbg_chip_ident *chip) > { > struct i2c_client *client = v4l2_get_subdevdata(sd); > @@ -324,6 +383,9 @@ static const struct v4l2_subdev_core_ops > adv7175_core_ops = { > static const struct v4l2_subdev_video_ops adv7175_video_ops = { > .s_std_output = adv7175_s_std_output, > .s_routing = adv7175_s_routing, > + .s_mbus_fmt = adv7175_s_fmt, > + .g_mbus_fmt = adv7175_g_fmt, > + .enum_mbus_fmt = adv7175_enum_fmt, > }; > > static const struct v4l2_subdev_ops adv7175_ops = { > -- > 1.7.6 > -- > 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 -- 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
