[media] vivid: add xfer_func support
Add support for the transfer function: create a new control for it,
and support it for both capture and output sides.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/platform/vivid/vivid-ctrls.c b/drivers/media/platform/vivid/vivid-ctrls.c
index 2b90700..1898751 100644
--- a/drivers/media/platform/vivid/vivid-ctrls.c
+++ b/drivers/media/platform/vivid/vivid-ctrls.c
@@ -62,21 +62,22 @@
#define VIVID_CID_DV_TIMINGS_ASPECT_RATIO (VIVID_CID_VIVID_BASE + 23)
#define VIVID_CID_TSTAMP_SRC (VIVID_CID_VIVID_BASE + 24)
#define VIVID_CID_COLORSPACE (VIVID_CID_VIVID_BASE + 25)
-#define VIVID_CID_YCBCR_ENC (VIVID_CID_VIVID_BASE + 26)
-#define VIVID_CID_QUANTIZATION (VIVID_CID_VIVID_BASE + 27)
-#define VIVID_CID_LIMITED_RGB_RANGE (VIVID_CID_VIVID_BASE + 28)
-#define VIVID_CID_ALPHA_MODE (VIVID_CID_VIVID_BASE + 29)
-#define VIVID_CID_HAS_CROP_CAP (VIVID_CID_VIVID_BASE + 30)
-#define VIVID_CID_HAS_COMPOSE_CAP (VIVID_CID_VIVID_BASE + 31)
-#define VIVID_CID_HAS_SCALER_CAP (VIVID_CID_VIVID_BASE + 32)
-#define VIVID_CID_HAS_CROP_OUT (VIVID_CID_VIVID_BASE + 33)
-#define VIVID_CID_HAS_COMPOSE_OUT (VIVID_CID_VIVID_BASE + 34)
-#define VIVID_CID_HAS_SCALER_OUT (VIVID_CID_VIVID_BASE + 35)
-#define VIVID_CID_LOOP_VIDEO (VIVID_CID_VIVID_BASE + 36)
-#define VIVID_CID_SEQ_WRAP (VIVID_CID_VIVID_BASE + 37)
-#define VIVID_CID_TIME_WRAP (VIVID_CID_VIVID_BASE + 38)
-#define VIVID_CID_MAX_EDID_BLOCKS (VIVID_CID_VIVID_BASE + 39)
-#define VIVID_CID_PERCENTAGE_FILL (VIVID_CID_VIVID_BASE + 40)
+#define VIVID_CID_XFER_FUNC (VIVID_CID_VIVID_BASE + 26)
+#define VIVID_CID_YCBCR_ENC (VIVID_CID_VIVID_BASE + 27)
+#define VIVID_CID_QUANTIZATION (VIVID_CID_VIVID_BASE + 28)
+#define VIVID_CID_LIMITED_RGB_RANGE (VIVID_CID_VIVID_BASE + 29)
+#define VIVID_CID_ALPHA_MODE (VIVID_CID_VIVID_BASE + 30)
+#define VIVID_CID_HAS_CROP_CAP (VIVID_CID_VIVID_BASE + 31)
+#define VIVID_CID_HAS_COMPOSE_CAP (VIVID_CID_VIVID_BASE + 32)
+#define VIVID_CID_HAS_SCALER_CAP (VIVID_CID_VIVID_BASE + 33)
+#define VIVID_CID_HAS_CROP_OUT (VIVID_CID_VIVID_BASE + 34)
+#define VIVID_CID_HAS_COMPOSE_OUT (VIVID_CID_VIVID_BASE + 35)
+#define VIVID_CID_HAS_SCALER_OUT (VIVID_CID_VIVID_BASE + 36)
+#define VIVID_CID_LOOP_VIDEO (VIVID_CID_VIVID_BASE + 37)
+#define VIVID_CID_SEQ_WRAP (VIVID_CID_VIVID_BASE + 38)
+#define VIVID_CID_TIME_WRAP (VIVID_CID_VIVID_BASE + 39)
+#define VIVID_CID_MAX_EDID_BLOCKS (VIVID_CID_VIVID_BASE + 40)
+#define VIVID_CID_PERCENTAGE_FILL (VIVID_CID_VIVID_BASE + 41)
#define VIVID_CID_STD_SIGNAL_MODE (VIVID_CID_VIVID_BASE + 60)
#define VIVID_CID_STANDARD (VIVID_CID_VIVID_BASE + 61)
@@ -360,6 +361,13 @@
vivid_send_source_change(dev, HDMI);
vivid_send_source_change(dev, WEBCAM);
break;
+ case VIVID_CID_XFER_FUNC:
+ tpg_s_xfer_func(&dev->tpg, ctrl->val);
+ vivid_send_source_change(dev, TV);
+ vivid_send_source_change(dev, SVID);
+ vivid_send_source_change(dev, HDMI);
+ vivid_send_source_change(dev, WEBCAM);
+ break;
case VIVID_CID_YCBCR_ENC:
tpg_s_ycbcr_enc(&dev->tpg, ctrl->val);
vivid_send_source_change(dev, TV);
@@ -709,6 +717,25 @@
.qmenu = vivid_ctrl_colorspace_strings,
};
+static const char * const vivid_ctrl_xfer_func_strings[] = {
+ "Default",
+ "Rec. 709",
+ "sRGB",
+ "AdobeRGB",
+ "SMPTE 240M",
+ "None",
+ NULL,
+};
+
+static const struct v4l2_ctrl_config vivid_ctrl_xfer_func = {
+ .ops = &vivid_vid_cap_ctrl_ops,
+ .id = VIVID_CID_XFER_FUNC,
+ .name = "Transfer Function",
+ .type = V4L2_CTRL_TYPE_MENU,
+ .max = 5,
+ .qmenu = vivid_ctrl_xfer_func_strings,
+};
+
static const char * const vivid_ctrl_ycbcr_enc_strings[] = {
"Default",
"ITU-R 601",
@@ -1365,6 +1392,7 @@
v4l2_ctrl_new_custom(hdl_vid_cap, &vivid_ctrl_tstamp_src, NULL);
dev->colorspace = v4l2_ctrl_new_custom(hdl_vid_cap,
&vivid_ctrl_colorspace, NULL);
+ v4l2_ctrl_new_custom(hdl_vid_cap, &vivid_ctrl_xfer_func, NULL);
v4l2_ctrl_new_custom(hdl_vid_cap, &vivid_ctrl_ycbcr_enc, NULL);
v4l2_ctrl_new_custom(hdl_vid_cap, &vivid_ctrl_quantization, NULL);
v4l2_ctrl_new_custom(hdl_vid_cap, &vivid_ctrl_alpha_mode, NULL);
