summaryrefslogtreecommitdiffstats
path: root/drivers/media/video/cx88/cx88-video.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/cx88/cx88-video.c')
-rw-r--r--drivers/media/video/cx88/cx88-video.c139
1 files changed, 88 insertions, 51 deletions
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index 2f3d4df33f7..104a85c265f 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -155,12 +155,6 @@ static const struct cx8800_fmt* format_by_fourcc(unsigned int fourcc)
/* ------------------------------------------------------------------- */
-static const struct v4l2_queryctrl no_ctl = {
- .name = "42",
- .flags = V4L2_CTRL_FLAG_DISABLED,
-};
-
-
struct cx88_ctrl {
/* control information */
u32 id;
@@ -177,7 +171,7 @@ struct cx88_ctrl {
u32 shift;
};
-static const struct cx88_ctrl cx8800_ctls[] = {
+static const struct cx88_ctrl cx8800_vid_ctls[] = {
/* --- video --- */
{
.id = V4L2_CID_BRIGHTNESS,
@@ -260,7 +254,11 @@ static const struct cx88_ctrl cx8800_ctls[] = {
.reg = MO_HTOTAL,
.mask = 3 << 11,
.shift = 11,
- }, {
+ }
+};
+
+static const struct cx88_ctrl cx8800_aud_ctls[] = {
+ {
/* --- audio --- */
.id = V4L2_CID_AUDIO_MUTE,
.minimum = 0,
@@ -293,14 +291,10 @@ static const struct cx88_ctrl cx8800_ctls[] = {
}
};
-enum { CX8800_CTLS = ARRAY_SIZE(cx8800_ctls) };
-
-
-int cx8800_ctrl_query(struct cx88_core *core, struct v4l2_queryctrl *qctrl)
-{
- return 0;
-}
-EXPORT_SYMBOL(cx8800_ctrl_query);
+enum {
+ CX8800_VID_CTLS = ARRAY_SIZE(cx8800_vid_ctls),
+ CX8800_AUD_CTLS = ARRAY_SIZE(cx8800_aud_ctls),
+};
/* ------------------------------------------------------------------- */
/* resource management */
@@ -908,10 +902,56 @@ video_mmap(struct file *file, struct vm_area_struct * vma)
/* ------------------------------------------------------------------ */
/* VIDEO CTRL IOCTLS */
-static int cx8800_s_ctrl(struct v4l2_ctrl *ctrl)
+static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct cx88_core *core =
+ container_of(ctrl->handler, struct cx88_core, video_hdl);
+ const struct cx88_ctrl *cc = ctrl->priv;
+ u32 value, mask;
+
+ mask = cc->mask;
+ switch (ctrl->id) {
+ case V4L2_CID_SATURATION:
+ /* special v_sat handling */
+
+ value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
+
+ if (core->tvnorm & V4L2_STD_SECAM) {
+ /* For SECAM, both U and V sat should be equal */
+ value = value << 8 | value;
+ } else {
+ /* Keeps U Saturation proportional to V Sat */
+ value = (value * 0x5a) / 0x7f << 8 | value;
+ }
+ mask = 0xffff;
+ break;
+ case V4L2_CID_SHARPNESS:
+ /* 0b000, 0b100, 0b101, 0b110, or 0b111 */
+ value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
+ /* needs to be set for both fields */
+ cx_andor(MO_FILTER_EVEN, mask, value);
+ break;
+ case V4L2_CID_CHROMA_AGC:
+ value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
+ break;
+ default:
+ value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
+ break;
+ }
+ dprintk(1, "set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
+ ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
+ mask, cc->sreg ? " [shadowed]" : "");
+ if (cc->sreg)
+ cx_sandor(cc->sreg, cc->reg, mask, value);
+ else
+ cx_andor(cc->reg, mask, value);
+ return 0;
+}
+
+static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
{
struct cx88_core *core =
- container_of(ctrl->handler, struct cx88_core, hdl);
+ container_of(ctrl->handler, struct cx88_core, audio_hdl);
const struct cx88_ctrl *cc = ctrl->priv;
u32 value,mask;
@@ -941,32 +981,6 @@ static int cx8800_s_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_AUDIO_VOLUME:
value = 0x3f - (ctrl->val & 0x3f);
break;
- case V4L2_CID_SATURATION:
- /* special v_sat handling */
-
- value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
-
- if (core->tvnorm & V4L2_STD_SECAM) {
- /* For SECAM, both U and V sat should be equal */
- value=value<<8|value;
- } else {
- /* Keeps U Saturation proportional to V Sat */
- value=(value*0x5a)/0x7f<<8|value;
- }
- mask=0xffff;
- break;
- case V4L2_CID_SHARPNESS:
- /* 0b000, 0b100, 0b101, 0b110, or 0b111 */
- value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
- /* needs to be set for both fields */
- cx_andor(MO_FILTER_EVEN, mask, value);
- break;
- case V4L2_CID_CHROMA_AGC:
- /* Do not allow chroma AGC to be enabled for SECAM */
- value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
- if ((core->tvnorm & V4L2_STD_SECAM) && value)
- return -EINVAL;
- break;
default:
value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
break;
@@ -1599,8 +1613,12 @@ static const struct video_device cx8800_radio_template = {
.ioctl_ops = &radio_ioctl_ops,
};
-static const struct v4l2_ctrl_ops cx8800_ctrl_ops = {
- .s_ctrl = cx8800_s_ctrl,
+static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
+ .s_ctrl = cx8800_s_vid_ctrl,
+};
+
+static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
+ .s_ctrl = cx8800_s_aud_ctrl,
};
/* ----------------------------------------------------------- */
@@ -1707,18 +1725,34 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
}
cx_set(MO_PCI_INTMSK, core->pci_irqmask);
- for (i = 0; i < CX8800_CTLS; i++) {
- const struct cx88_ctrl *cc = &cx8800_ctls[i];
+ for (i = 0; i < CX8800_AUD_CTLS; i++) {
+ const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
+ struct v4l2_ctrl *vc;
+
+ vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
+ cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
+ if (vc == NULL) {
+ err = core->audio_hdl.error;
+ goto fail_core;
+ }
+ vc->priv = (void *)cc;
+ }
+
+ for (i = 0; i < CX8800_VID_CTLS; i++) {
+ const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
struct v4l2_ctrl *vc;
- vc = v4l2_ctrl_new_std(&core->hdl, &cx8800_ctrl_ops,
+ vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
cc->id, cc->minimum, cc->maximum, cc->step, cc->default_value);
if (vc == NULL) {
- err = core->hdl.error;
+ err = core->video_hdl.error;
goto fail_core;
}
vc->priv = (void *)cc;
+ if (vc->id == V4L2_CID_CHROMA_AGC)
+ core->chroma_agc = vc;
}
+ v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl);
/* load and configure helper modules */
@@ -1771,13 +1805,15 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
/* initial device configuration */
mutex_lock(&core->lock);
cx88_set_tvnorm(core, core->tvnorm);
- v4l2_ctrl_handler_setup(&core->hdl);
+ v4l2_ctrl_handler_setup(&core->video_hdl);
+ v4l2_ctrl_handler_setup(&core->audio_hdl);
cx88_video_mux(core, 0);
/* register v4l devices */
dev->video_dev = cx88_vdev_init(core,dev->pci,
&cx8800_video_template,"video");
video_set_drvdata(dev->video_dev, dev);
+ dev->video_dev->ctrl_handler = &core->video_hdl;
err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
video_nr[core->nr]);
if (err < 0) {
@@ -1804,6 +1840,7 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
dev->radio_dev = cx88_vdev_init(core,dev->pci,
&cx8800_radio_template,"radio");
video_set_drvdata(dev->radio_dev, dev);
+ dev->radio_dev->ctrl_handler = &core->audio_hdl;
err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
radio_nr[core->nr]);
if (err < 0) {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-10-20 05:52:37 +0000