V4L/DVB (6061): ivtv: add VIDIOC_OVERLAY

Add VIDIOC_OVERLAY to enable/disable the OSD. Also add the OSD state to the
log status report.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 39 insertions, 6 deletions

diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c
index de866d450ecd..ed5707660e0e 100644
--- a/drivers/media/video/ivtv/ivtv-ioctl.c
+++ b/drivers/media/video/ivtv/ivtv-ioctl.c
@@ -1217,9 +1217,19 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void
                 break;
         }
 
+        case VIDIOC_OVERLAY: {
+                int *on = arg;
+
+                if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
+                        return -EINVAL;
+                ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, *on != 0);
+                break;
+        }
+
         case VIDIOC_LOG_STATUS:
         {
                 int has_output = itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT;
+                u32 data[CX2341X_MBOX_MAX_DATA];
                 struct v4l2_input vidin;
                 struct v4l2_audio audin;
                 int i;
@@ -1234,8 +1244,8 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void
                 ivtv_call_i2c_clients(itv, VIDIOC_LOG_STATUS, NULL);
                 ivtv_get_input(itv, itv->active_input, &vidin);
                 ivtv_get_audio_input(itv, itv->audio_input, &audin);
-                IVTV_INFO("Video Input: %s\n", vidin.name);
-                IVTV_INFO("Audio Input: %s%s\n", audin.name,
+                IVTV_INFO("Video Input:  %s\n", vidin.name);
+                IVTV_INFO("Audio Input:  %s%s\n", audin.name,
                         (itv->dualwatch_stereo_mode & ~0x300) == 0x200 ? " (Bilingual)" : "");
                 if (has_output) {
                         struct v4l2_output vidout;
@@ -1255,6 +1265,22 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void
                                 "Mono",
                                 "Swapped"
                         };
+                        static const char * const alpha_mode[] = {
+                                "None",
+                                "Global",
+                                "Local",
+                                "Global and Local"
+                        };
+                        static const char * const pixel_format[] = {
+                                "Indexed",
+                                "RGB 5:6:5",
+                                "ARGB 1:5:5:5",
+                                "ARGB 1:4:4:4",
+                                "ARGB 8:8:8:8",
+                                "5",
+                                "6",
+                                "7",
+                        };
 
                         ivtv_get_output(itv, itv->active_output, &vidout);
                         ivtv_get_audio_output(itv, 0, &audout);
@@ -1264,12 +1290,17 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void
                                 audio_modes[itv->audio_bilingual_mode]);
                         if (mode < 0 || mode > OUT_PASSTHROUGH)
                                 mode = OUT_NONE;
-                        IVTV_INFO("Output Mode: %s\n", output_modes[mode]);
+                        IVTV_INFO("Output Mode:  %s\n", output_modes[mode]);
+                        ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0);
+                        IVTV_INFO("Overlay:      %s, Alpha: %s, Pixel Format: %s\n",
+                                data[0] & 1 ? "On" : "Off",
+                                alpha_mode[(data[0] >> 1) & 0x3],
+                                pixel_format[(data[0] >> 3) & 0x7]);
                 }
-                IVTV_INFO("Tuner: %s\n",
+                IVTV_INFO("Tuner:  %s\n",
                         test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? "Radio" : "TV");
                 cx2341x_log_status(&itv->params, itv->name);
-                IVTV_INFO("Status flags: 0x%08lx\n", itv->i_flags);
+                IVTV_INFO("Status flags:    0x%08lx\n", itv->i_flags);
                 for (i = 0; i < IVTV_MAX_STREAMS; i++) {
                         struct ivtv_stream *s = &itv->streams[i];
 
@@ -1279,7 +1310,7 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void
                                         (s->buffers - s->q_free.buffers) * 100 / s->buffers,
                                         (s->buffers * s->buf_size) / 1024, s->buffers);
                 }
-                IVTV_INFO("Read MPEG/VBI: %lld/%lld bytes\n", (long long)itv->mpg_data_received, (long long)itv->vbi_data_inserted);
+                IVTV_INFO("Read MPG/VBI: %lld/%lld bytes\n", (long long)itv->mpg_data_received, (long long)itv->vbi_data_inserted);
                 IVTV_INFO("==================  END STATUS CARD #%d  ==================\n", itv->num);
                 break;
         }
@@ -1501,6 +1532,7 @@ static int ivtv_v4l2_do_ioctl(struct inode *inode, struct file *filp,
         case VIDIOC_S_AUDOUT:
         case VIDIOC_S_EXT_CTRLS:
         case VIDIOC_S_FBUF:
+        case VIDIOC_OVERLAY:
                 ret = v4l2_prio_check(&itv->prio, &id->prio);
                 if (ret)
                         return ret;
@@ -1554,6 +1586,7 @@ static int ivtv_v4l2_do_ioctl(struct inode *inode, struct file *filp,
         case VIDIOC_TRY_ENCODER_CMD:
         case VIDIOC_G_FBUF:
         case VIDIOC_S_FBUF:
+        case VIDIOC_OVERLAY:
                 if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
                         printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
                         v4l_printk_ioctl(cmd);