From: Mats Randgaard <mats.randgaard@xxxxxxxxxxxx>
Added functions to set and get custom DV timings.
Signed-off-by: Mats Randgaard <mats.randgaard@xxxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxxxxx>
---
drivers/media/video/davinci/vpif_capture.c | 119 +++++++++++++++++++++++++++
drivers/media/video/davinci/vpif_capture.h | 1 +
drivers/media/video/davinci/vpif_display.c | 120 ++++++++++++++++++++++++++++
drivers/media/video/davinci/vpif_display.h | 1 +
4 files changed, 241 insertions(+), 0 deletions(-)
diff --git a/drivers/media/video/davinci/vpif_capture.c b/drivers/media/video/davinci/vpif_capture.c
index bf1adea..184fa3c 100644
--- a/drivers/media/video/davinci/vpif_capture.c
+++ b/drivers/media/video/davinci/vpif_capture.c
@@ -1927,6 +1927,123 @@ static int vpif_g_dv_preset(struct file *file, void *priv,
return 0;
}
+/**
+ * vpif_s_dv_timings() - S_DV_TIMINGS handler
+ * @file: file ptr
+ * @priv: file handle
+ * @timings: digital video timings
+ */
+static int vpif_s_dv_timings(struct file *file, void *priv,
+ struct v4l2_dv_timings *timings)
+{
+ struct vpif_fh *fh = priv;
+ struct channel_obj *ch = fh->channel;
+ struct vpif_params *vpifparams = &ch->vpifparams;
+ struct vpif_channel_config_params *std_info = &vpifparams->std_info;
+ struct video_obj *vid_obj = &ch->video;
+ struct v4l2_bt_timings *bt = &vid_obj->bt_timings;
+ int ret;
+
+ if (timings->type != V4L2_DV_BT_656_1120) {
+ vpif_dbg(2, debug, "Timing type not defined\n");
+ return -EINVAL;
+ }
+
+ /* Configure subdevice timings, if any */
+ ret = v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index],
+ video, s_dv_timings, timings);
+ if (ret == -ENOIOCTLCMD) {
+ vpif_dbg(2, debug, "Custom DV timings not supported by "
+ "subdevice\n");
+ return -EINVAL;
+ }
+ if (ret < 0) {
+ vpif_dbg(2, debug, "Error setting custom DV timings\n");
+ return ret;
+ }
+
+ if (!(timings->bt.width && timings->bt.height &&
+ (timings->bt.hbackporch ||
+ timings->bt.hfrontporch ||
+ timings->bt.hsync) &&
+ timings->bt.vfrontporch &&
+ (timings->bt.vbackporch ||
+ timings->bt.vsync))) {
+ vpif_dbg(2, debug, "Timings for width, height, "
+ "horizontal back porch, horizontal sync, "
+ "horizontal front porch, vertical back porch, "
+ "vertical sync and vertical back porch "
+ "must be defined\n");
+ return -EINVAL;
+ }
+
+ *bt = timings->bt;
+
+ /* Configure videoport timings */
+
+ std_info->eav2sav = bt->hbackporch + bt->hfrontporch +
+ bt->hsync - 8;
+ std_info->sav2eav = bt->width;
+
+ std_info->l1 = 1;
+ std_info->l3 = bt->vsync + bt->vbackporch + 1;
+
+ if (bt->interlaced) {
+ if (bt->il_vbackporch || bt->il_vfrontporch || bt->il_vsync) {
+ std_info->vsize = bt->height * 2 +
+ bt->vfrontporch + bt->vsync + bt->vbackporch +
+ bt->il_vfrontporch + bt->il_vsync +
+ bt->il_vbackporch;
+ std_info->l5 = std_info->vsize/2 -
+ (bt->vfrontporch - 1);
+ std_info->l7 = std_info->vsize/2 + 1;
+ std_info->l9 = std_info->l7 + bt->il_vsync +
+ bt->il_vbackporch + 1;
+ std_info->l11 = std_info->vsize -
+ (bt->il_vfrontporch - 1);
+ } else {
+ vpif_dbg(2, debug, "Required timing values for "
+ "interlaced BT format missing\n");
+ return -EINVAL;
+ }
+ } else {
+ std_info->vsize = bt->height + bt->vfrontporch +
+ bt->vsync + bt->vbackporch;
+ std_info->l5 = std_info->vsize - (bt->vfrontporch - 1);
+ }
+ strncpy(std_info->name, "Custom timings BT656/1120", VPIF_MAX_NAME);
+ std_info->width = bt->width;
+ std_info->height = bt->height;
+ std_info->frm_fmt = bt->interlaced ? 0 : 1;
+ std_info->ycmux_mode = 0;
+ std_info->capture_format = 0;
+ std_info->vbi_supported = 0;
+ std_info->hd_sd = 1;
+ std_info->stdid = 0;
+ std_info->dv_preset = V4L2_DV_INVALID;
+
+ return 0;
+}
+
+/**
+ * vpif_g_dv_timings() - G_DV_TIMINGS handler
+ * @file: file ptr
+ * @priv: file handle
+ * @timings: digital video timings
+ */
+static int vpif_g_dv_timings(struct file *file, void *priv,
+ struct v4l2_dv_timings *timings)
+{
+ struct vpif_fh *fh = priv;
+ struct channel_obj *ch = fh->channel;
+ struct video_obj *vid_obj = &ch->video;
+ struct v4l2_bt_timings *bt = &vid_obj->bt_timings;
+
+ timings->bt = *bt;
+
+ return 0;
+}
+
/*
* vpif_g_chip_ident() - Identify the chip
* @file: file ptr
@@ -2033,6 +2150,8 @@ static const struct v4l2_ioctl_ops vpif_ioctl_ops = {
.vidioc_s_dv_preset = vpif_s_dv_preset,
.vidioc_g_dv_preset = vpif_g_dv_preset,
.vidioc_query_dv_preset = vpif_query_dv_preset,
+ .vidioc_s_dv_timings = vpif_s_dv_timings,
+ .vidioc_g_dv_timings = vpif_g_dv_timings,
.vidioc_g_chip_ident = vpif_g_chip_ident,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = vpif_dbg_g_register,
diff --git a/drivers/media/video/davinci/vpif_capture.h b/drivers/media/video/davinci/vpif_capture.h
index 3452a8a..7a4196d 100644
--- a/drivers/media/video/davinci/vpif_capture.h
+++ b/drivers/media/video/davinci/vpif_capture.h
@@ -60,6 +60,7 @@ struct video_obj {
/* Currently selected or default standard */
v4l2_std_id stdid;
u32 dv_preset;
+ struct v4l2_bt_timings bt_timings;
/* This is to track the last input that is passed to application */
u32 input_idx;
};
diff --git a/drivers/media/video/davinci/vpif_display.c b/drivers/media/video/davinci/vpif_display.c
index 4554971..bc42505 100644
--- a/drivers/media/video/davinci/vpif_display.c
+++ b/drivers/media/video/davinci/vpif_display.c
@@ -1409,6 +1409,124 @@ static int vpif_g_dv_preset(struct file *file, void *priv,
return 0;
}
+/**
+ * vpif_s_dv_timings() - S_DV_TIMINGS handler
+ * @file: file ptr
+ * @priv: file handle
+ * @timings: digital video timings
+ */
+static int vpif_s_dv_timings(struct file *file, void *priv,
+ struct v4l2_dv_timings *timings)
+{
+ struct vpif_fh *fh = priv;
+ struct channel_obj *ch = fh->channel;
+ struct vpif_params *vpifparams = &ch->vpifparams;
+ struct vpif_channel_config_params *std_info = &vpifparams->std_info;
+ struct video_obj *vid_obj = &ch->video;
+ struct v4l2_bt_timings *bt = &vid_obj->bt_timings;
+ struct video_obj *vid_ch = &ch->video;
+ int ret;
+
+ if (timings->type != V4L2_DV_BT_656_1120) {
+ vpif_dbg(2, debug, "Timing type not defined\n");
+ return -EINVAL;
+ }
+
+ /* Configure subdevice timings, if any */
+ ret = v4l2_subdev_call(vpif_obj.sd[vid_ch->output_id],
+ video, s_dv_timings, timings);
+ if (ret == -ENOIOCTLCMD) {
+ vpif_dbg(2, debug, "Custom DV timings not supported by "
+ "subdevice\n");
+ return -EINVAL;
+ }
+ if (ret < 0) {
+ vpif_dbg(2, debug, "Error setting custom DV timings\n");
+ return ret;
+ }
+
+ if (!(timings->bt.width && timings->bt.height &&
+ (timings->bt.hbackporch ||
+ timings->bt.hfrontporch ||
+ timings->bt.hsync) &&
+ timings->bt.vfrontporch &&
+ (timings->bt.vbackporch ||
+ timings->bt.vsync))) {
+ vpif_dbg(2, debug, "Timings for width, height, "
+ "horizontal back porch, horizontal sync, "
+ "horizontal front porch, vertical back porch, "
+ "vertical sync and vertical back porch "
+ "must be defined\n");
+ return -EINVAL;
+ }
+
+ *bt = timings->bt;
+
+ /* Configure videoport timings */
+
+ std_info->eav2sav = bt->hbackporch + bt->hfrontporch +
+ bt->hsync - 8;
+ std_info->sav2eav = bt->width;
+
+ std_info->l1 = 1;
+ std_info->l3 = bt->vsync + bt->vbackporch + 1;
+
+ if (bt->interlaced) {
+ if (bt->il_vbackporch || bt->il_vfrontporch || bt->il_vsync) {
+ std_info->vsize = bt->height * 2 +
+ bt->vfrontporch + bt->vsync + bt->vbackporch +
+ bt->il_vfrontporch + bt->il_vsync +
+ bt->il_vbackporch;
+ std_info->l5 = std_info->vsize/2 -
+ (bt->vfrontporch - 1);
+ std_info->l7 = std_info->vsize/2 + 1;
+ std_info->l9 = std_info->l7 + bt->il_vsync +
+ bt->il_vbackporch + 1;
+ std_info->l11 = std_info->vsize -
+ (bt->il_vfrontporch - 1);
+ } else {
+ vpif_dbg(2, debug, "Required timing values for "
+ "interlaced BT format missing\n");
+ return -EINVAL;
+ }
+ } else {
+ std_info->vsize = bt->height + bt->vfrontporch +
+ bt->vsync + bt->vbackporch;
+ std_info->l5 = std_info->vsize - (bt->vfrontporch - 1);
+ }
+ strncpy(std_info->name, "Custom timings BT656/1120",
+ VPIF_MAX_NAME);
+ std_info->width = bt->width;
+ std_info->height = bt->height;
+ std_info->frm_fmt = bt->interlaced ? 0 : 1;
+ std_info->ycmux_mode = 0;
+ std_info->capture_format = 0;
+ std_info->vbi_supported = 0;
+ std_info->hd_sd = 1;
+ std_info->stdid = 0;
+ std_info->dv_preset = V4L2_DV_INVALID;
+
+ return 0;
+}
+
+/**
+ * vpif_g_dv_timings() - G_DV_TIMINGS handler
+ * @file: file ptr
+ * @priv: file handle
+ * @timings: digital video timings
+ */
+static int vpif_g_dv_timings(struct file *file, void *priv,
+ struct v4l2_dv_timings *timings)
+{
+ struct vpif_fh *fh = priv;
+ struct channel_obj *ch = fh->channel;
+ struct video_obj *vid_obj = &ch->video;
+ struct v4l2_bt_timings *bt = &vid_obj->bt_timings;
+
+ timings->bt = *bt;
+
+ return 0;
+}
/*
* vpif_g_chip_ident() - Identify the chip
@@ -1517,6 +1635,8 @@ static const struct v4l2_ioctl_ops vpif_ioctl_ops = {
.vidioc_enum_dv_presets = vpif_enum_dv_presets,
.vidioc_s_dv_preset = vpif_s_dv_preset,
.vidioc_g_dv_preset = vpif_g_dv_preset,
+ .vidioc_s_dv_timings = vpif_s_dv_timings,
+ .vidioc_g_dv_timings = vpif_g_dv_timings,
.vidioc_g_chip_ident = vpif_g_chip_ident,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = vpif_dbg_g_register,
diff --git a/drivers/media/video/davinci/vpif_display.h b/drivers/media/video/davinci/vpif_display.h
index 3d56b3e..b53aaa8 100644
--- a/drivers/media/video/davinci/vpif_display.h
+++ b/drivers/media/video/davinci/vpif_display.h
@@ -68,6 +68,7 @@ struct video_obj {
v4l2_std_id stdid; /* Currently selected or default
* standard */
u32 dv_preset;
+ struct v4l2_bt_timings bt_timings;
u32 output_id; /* Current output id */
};
--
1.7.1
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