Hi Mauro 2011/9/30 Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>: > 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? sure... I switched to KMail now.. lets see if it works better now. Thanks, Christian > > 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
