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path: root/drivers/media/video/adv7175.c
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Diffstat (limited to 'drivers/media/video/adv7175.c')
-rw-r--r--drivers/media/video/adv7175.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/media/video/adv7175.c b/drivers/media/video/adv7175.c
index d2327dbb473f..206078eca853 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 = {