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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2014-01-29 10:09:41 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-05-25 12:58:27 -0300
commitafec55992e228fa3b553d5b4c9e1ead9fb5780bd (patch)
tree18f8e1da2a1ef3c69e3ebef04c879da5fe944e85
parent539b33b05913f1de34c7e0ef3376347ffd273e8f (diff)
[media] adv7604: Add pad-level DV timings support
The video enum_dv_timings and dv_timings_cap operations are deprecated. Implement the pad-level version of those operations to prepare for the removal of the video version. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
-rw-r--r--drivers/media/i2c/adv7604.c47
1 files changed, 43 insertions, 4 deletions
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index 59f7bf0723fe..684b91234d5d 100644
--- a/drivers/media/i2c/adv7604.c
+++ b/drivers/media/i2c/adv7604.c
@@ -1514,24 +1514,42 @@ static int read_stdi(struct v4l2_subdev *sd, struct stdi_readback *stdi)
static int adv7604_enum_dv_timings(struct v4l2_subdev *sd,
struct v4l2_enum_dv_timings *timings)
{
+ struct adv7604_state *state = to_state(sd);
+
if (timings->index >= ARRAY_SIZE(adv7604_timings) - 1)
return -EINVAL;
+
+ if (timings->pad >= state->source_pad)
+ return -EINVAL;
+
memset(timings->reserved, 0, sizeof(timings->reserved));
timings->timings = adv7604_timings[timings->index];
return 0;
}
-static int adv7604_dv_timings_cap(struct v4l2_subdev *sd,
- struct v4l2_dv_timings_cap *cap)
+static int __adv7604_dv_timings_cap(struct v4l2_subdev *sd,
+ struct v4l2_dv_timings_cap *cap,
+ unsigned int pad)
{
cap->type = V4L2_DV_BT_656_1120;
cap->bt.max_width = 1920;
cap->bt.max_height = 1200;
cap->bt.min_pixelclock = 25000000;
- if (is_digital_input(sd))
+
+ switch (pad) {
+ case ADV7604_PAD_HDMI_PORT_A:
+ case ADV7604_PAD_HDMI_PORT_B:
+ case ADV7604_PAD_HDMI_PORT_C:
+ case ADV7604_PAD_HDMI_PORT_D:
cap->bt.max_pixelclock = 225000000;
- else
+ break;
+ case ADV7604_PAD_VGA_RGB:
+ case ADV7604_PAD_VGA_COMP:
+ default:
cap->bt.max_pixelclock = 170000000;
+ break;
+ }
+
cap->bt.standards = V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT;
cap->bt.capabilities = V4L2_DV_BT_CAP_PROGRESSIVE |
@@ -1539,6 +1557,25 @@ static int adv7604_dv_timings_cap(struct v4l2_subdev *sd,
return 0;
}
+static int adv7604_dv_timings_cap(struct v4l2_subdev *sd,
+ struct v4l2_dv_timings_cap *cap)
+{
+ struct adv7604_state *state = to_state(sd);
+
+ return __adv7604_dv_timings_cap(sd, cap, state->selected_input);
+}
+
+static int adv7604_pad_dv_timings_cap(struct v4l2_subdev *sd,
+ struct v4l2_dv_timings_cap *cap)
+{
+ struct adv7604_state *state = to_state(sd);
+
+ if (cap->pad >= state->source_pad)
+ return -EINVAL;
+
+ return __adv7604_dv_timings_cap(sd, cap, cap->pad);
+}
+
/* Fill the optional fields .standards and .flags in struct v4l2_dv_timings
if the format is listed in adv7604_timings[] */
static void adv7604_fill_optional_dv_timings_fields(struct v4l2_subdev *sd,
@@ -2426,6 +2463,8 @@ static const struct v4l2_subdev_pad_ops adv7604_pad_ops = {
.set_fmt = adv7604_set_format,
.get_edid = adv7604_get_edid,
.set_edid = adv7604_set_edid,
+ .dv_timings_cap = adv7604_pad_dv_timings_cap,
+ .enum_dv_timings = adv7604_enum_dv_timings,
};
static const struct v4l2_subdev_ops adv7604_ops = {

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