diff options
Diffstat (limited to 'drivers/media/video/adv7175.c')
| -rw-r--r-- | drivers/media/video/adv7175.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/media/video/adv7175.c b/drivers/media/video/adv7175.c index d2327dbb473..206078eca85 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) 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 = { |