[media] vivid: add support for YCbCr encoding and quantization

[deliverable/linux.git] / drivers / media / platform / vivid / vivid-ctrls.c

diff --git a/drivers/media/platform/vivid/vivid-ctrls.c b/drivers/media/platform/vivid/vivid-ctrls.c
index dcb912d6e4ba4862c757dfed275b21f746264f43..857e7866e8bc5d8d64141a664db6548a73bb77eb 100644 (file)
--- a/drivers/media/platform/vivid/vivid-ctrls.c
+++ b/drivers/media/platform/vivid/vivid-ctrls.c
@@ -62,19 +62,21 @@
 #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_LIMITED_RGB_RANGE    (VIVID_CID_VIVID_BASE + 26)
-#define VIVID_CID_ALPHA_MODE           (VIVID_CID_VIVID_BASE + 27)
-#define VIVID_CID_HAS_CROP_CAP         (VIVID_CID_VIVID_BASE + 28)
-#define VIVID_CID_HAS_COMPOSE_CAP      (VIVID_CID_VIVID_BASE + 29)
-#define VIVID_CID_HAS_SCALER_CAP       (VIVID_CID_VIVID_BASE + 30)
-#define VIVID_CID_HAS_CROP_OUT         (VIVID_CID_VIVID_BASE + 31)
-#define VIVID_CID_HAS_COMPOSE_OUT      (VIVID_CID_VIVID_BASE + 32)
-#define VIVID_CID_HAS_SCALER_OUT       (VIVID_CID_VIVID_BASE + 33)
-#define VIVID_CID_LOOP_VIDEO           (VIVID_CID_VIVID_BASE + 34)
-#define VIVID_CID_SEQ_WRAP             (VIVID_CID_VIVID_BASE + 35)
-#define VIVID_CID_TIME_WRAP            (VIVID_CID_VIVID_BASE + 36)
-#define VIVID_CID_MAX_EDID_BLOCKS      (VIVID_CID_VIVID_BASE + 37)
-#define VIVID_CID_PERCENTAGE_FILL      (VIVID_CID_VIVID_BASE + 38)
+#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_STD_SIGNAL_MODE      (VIVID_CID_VIVID_BASE + 60)
 #define VIVID_CID_STANDARD             (VIVID_CID_VIVID_BASE + 61)
@@ -358,6 +360,20 @@ static int vivid_vid_cap_s_ctrl(struct v4l2_ctrl *ctrl)
                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);
+               vivid_send_source_change(dev, SVID);
+               vivid_send_source_change(dev, HDMI);
+               vivid_send_source_change(dev, WEBCAM);
+               break;
+       case VIVID_CID_QUANTIZATION:
+               tpg_s_quantization(&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 V4L2_CID_DV_RX_RGB_RANGE:
                if (!vivid_is_hdmi_cap(dev))
                        break;
@@ -693,6 +709,44 @@ static const struct v4l2_ctrl_config vivid_ctrl_colorspace = {
        .qmenu = vivid_ctrl_colorspace_strings,
 };
 
+static const char * const vivid_ctrl_ycbcr_enc_strings[] = {
+       "Default",
+       "ITU-R 601",
+       "Rec. 709",
+       "xvYCC 601",
+       "xvYCC 709",
+       "sYCC",
+       "BT.2020 Non-Constant Luminance",
+       "BT.2020 Constant Luminance",
+       "SMPTE 240M",
+       NULL,
+};
+
+static const struct v4l2_ctrl_config vivid_ctrl_ycbcr_enc = {
+       .ops = &vivid_vid_cap_ctrl_ops,
+       .id = VIVID_CID_YCBCR_ENC,
+       .name = "Y'CbCr Encoding",
+       .type = V4L2_CTRL_TYPE_MENU,
+       .max = 8,
+       .qmenu = vivid_ctrl_ycbcr_enc_strings,
+};
+
+static const char * const vivid_ctrl_quantization_strings[] = {
+       "Default",
+       "Full Range",
+       "Limited Range",
+       NULL,
+};
+
+static const struct v4l2_ctrl_config vivid_ctrl_quantization = {
+       .ops = &vivid_vid_cap_ctrl_ops,
+       .id = VIVID_CID_QUANTIZATION,
+       .name = "Quantization",
+       .type = V4L2_CTRL_TYPE_MENU,
+       .max = 2,
+       .qmenu = vivid_ctrl_quantization_strings,
+};
+
 static const struct v4l2_ctrl_config vivid_ctrl_alpha_mode = {
        .ops = &vivid_vid_cap_ctrl_ops,
        .id = VIVID_CID_ALPHA_MODE,
@@ -769,8 +823,12 @@ static int vivid_vid_out_s_ctrl(struct v4l2_ctrl *ctrl)
                                dev->colorspace_out = V4L2_COLORSPACE_SMPTE170M;
                        else
                                dev->colorspace_out = V4L2_COLORSPACE_REC709;
+                       dev->quantization_out = V4L2_QUANTIZATION_DEFAULT;
                } else {
                        dev->colorspace_out = V4L2_COLORSPACE_SRGB;
+                       dev->quantization_out = dev->dvi_d_out ?
+                                       V4L2_QUANTIZATION_LIM_RANGE :
+                                       V4L2_QUANTIZATION_DEFAULT;
                }
                if (dev->loop_video)
                        vivid_send_source_change(dev, HDMI);
@@ -1307,6 +1365,8 @@ int vivid_create_controls(struct vivid_dev *dev, bool show_ccs_cap,
                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_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);
        }