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path: root/drivers/media/video/cx18/cx18-controls.c
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Diffstat (limited to 'drivers/media/video/cx18/cx18-controls.c')
-rw-r--r--drivers/media/video/cx18/cx18-controls.c216
1 files changed, 112 insertions, 104 deletions
diff --git a/drivers/media/video/cx18/cx18-controls.c b/drivers/media/video/cx18/cx18-controls.c
index 87cf41021665..f46c7e5ed747 100644
--- a/drivers/media/video/cx18/cx18-controls.c
+++ b/drivers/media/video/cx18/cx18-controls.c
@@ -51,12 +51,11 @@ static const u32 *ctrl_classes[] = {
NULL
};
-static int cx18_queryctrl(struct cx18 *cx, struct v4l2_queryctrl *qctrl)
+int cx18_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qctrl)
{
+ struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
const char *name;
- CX18_DEBUG_IOCTL("VIDIOC_QUERYCTRL(%08x)\n", qctrl->id);
-
qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
if (qctrl->id == 0)
return -EINVAL;
@@ -91,21 +90,35 @@ static int cx18_queryctrl(struct cx18 *cx, struct v4l2_queryctrl *qctrl)
return 0;
}
-static int cx18_querymenu(struct cx18 *cx, struct v4l2_querymenu *qmenu)
+int cx18_querymenu(struct file *file, void *fh, struct v4l2_querymenu *qmenu)
{
+ struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
struct v4l2_queryctrl qctrl;
qctrl.id = qmenu->id;
- cx18_queryctrl(cx, &qctrl);
- return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
+ cx18_queryctrl(file, fh, &qctrl);
+ return v4l2_ctrl_query_menu(qmenu, &qctrl,
+ cx2341x_ctrl_get_menu(&cx->params, qmenu->id));
}
-static int cx18_s_ctrl(struct cx18 *cx, struct v4l2_control *vctrl)
+static int cx18_try_ctrl(struct file *file, void *fh,
+ struct v4l2_ext_control *vctrl)
{
- s32 v = vctrl->value;
-
- CX18_DEBUG_IOCTL("VIDIOC_S_CTRL(%08x, %x)\n", vctrl->id, v);
+ struct v4l2_queryctrl qctrl;
+ const char **menu_items = NULL;
+ int err;
+
+ qctrl.id = vctrl->id;
+ err = cx18_queryctrl(file, fh, &qctrl);
+ if (err)
+ return err;
+ if (qctrl.type == V4L2_CTRL_TYPE_MENU)
+ menu_items = v4l2_ctrl_get_menu(qctrl.id);
+ return v4l2_ctrl_check(vctrl, &qctrl, menu_items);
+}
+static int cx18_s_ctrl(struct cx18 *cx, struct v4l2_control *vctrl)
+{
switch (vctrl->id) {
/* Standard V4L2 controls */
case V4L2_CID_BRIGHTNESS:
@@ -123,7 +136,7 @@ static int cx18_s_ctrl(struct cx18 *cx, struct v4l2_control *vctrl)
return cx18_i2c_hw(cx, cx->card->hw_audio_ctrl, VIDIOC_S_CTRL, vctrl);
default:
- CX18_DEBUG_IOCTL("invalid control %x\n", vctrl->id);
+ CX18_DEBUG_IOCTL("invalid control 0x%x\n", vctrl->id);
return -EINVAL;
}
return 0;
@@ -131,8 +144,6 @@ static int cx18_s_ctrl(struct cx18 *cx, struct v4l2_control *vctrl)
static int cx18_g_ctrl(struct cx18 *cx, struct v4l2_control *vctrl)
{
- CX18_DEBUG_IOCTL("VIDIOC_G_CTRL(%08x)\n", vctrl->id);
-
switch (vctrl->id) {
/* Standard V4L2 controls */
case V4L2_CID_BRIGHTNESS:
@@ -149,7 +160,7 @@ static int cx18_g_ctrl(struct cx18 *cx, struct v4l2_control *vctrl)
case V4L2_CID_AUDIO_LOUDNESS:
return cx18_i2c_hw(cx, cx->card->hw_audio_ctrl, VIDIOC_G_CTRL, vctrl);
default:
- CX18_DEBUG_IOCTL("invalid control %x\n", vctrl->id);
+ CX18_DEBUG_IOCTL("invalid control 0x%x\n", vctrl->id);
return -EINVAL;
}
return 0;
@@ -194,113 +205,110 @@ static int cx18_setup_vbi_fmt(struct cx18 *cx, enum v4l2_mpeg_stream_vbi_fmt fmt
return 0;
}
-int cx18_control_ioctls(struct cx18 *cx, unsigned int cmd, void *arg)
+int cx18_g_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c)
{
+ struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
struct v4l2_control ctrl;
- switch (cmd) {
- case VIDIOC_QUERYMENU:
- CX18_DEBUG_IOCTL("VIDIOC_QUERYMENU\n");
- return cx18_querymenu(cx, arg);
-
- case VIDIOC_QUERYCTRL:
- return cx18_queryctrl(cx, arg);
-
- case VIDIOC_S_CTRL:
- return cx18_s_ctrl(cx, arg);
-
- case VIDIOC_G_CTRL:
- return cx18_g_ctrl(cx, arg);
-
- case VIDIOC_S_EXT_CTRLS:
- {
- struct v4l2_ext_controls *c = arg;
-
- if (c->ctrl_class == V4L2_CTRL_CLASS_USER) {
- int i;
- int err = 0;
-
- for (i = 0; i < c->count; i++) {
- ctrl.id = c->controls[i].id;
- ctrl.value = c->controls[i].value;
- err = cx18_s_ctrl(cx, &ctrl);
- c->controls[i].value = ctrl.value;
- if (err) {
- c->error_idx = i;
- break;
- }
+ if (c->ctrl_class == V4L2_CTRL_CLASS_USER) {
+ int i;
+ int err = 0;
+
+ for (i = 0; i < c->count; i++) {
+ ctrl.id = c->controls[i].id;
+ ctrl.value = c->controls[i].value;
+ err = cx18_g_ctrl(cx, &ctrl);
+ c->controls[i].value = ctrl.value;
+ if (err) {
+ c->error_idx = i;
+ break;
}
- return err;
}
- CX18_DEBUG_IOCTL("VIDIOC_S_EXT_CTRLS\n");
- if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) {
- struct cx2341x_mpeg_params p = cx->params;
- int err = cx2341x_ext_ctrls(&p, atomic_read(&cx->ana_capturing), arg, cmd);
+ return err;
+ }
+ if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG)
+ return cx2341x_ext_ctrls(&cx->params, 0, c, VIDIOC_G_EXT_CTRLS);
+ return -EINVAL;
+}
- if (err)
- return err;
+int cx18_s_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c)
+{
+ struct cx18_open_id *id = fh;
+ struct cx18 *cx = id->cx;
+ int ret;
+ struct v4l2_control ctrl;
- if (p.video_encoding != cx->params.video_encoding) {
- int is_mpeg1 = p.video_encoding ==
- V4L2_MPEG_VIDEO_ENCODING_MPEG_1;
- struct v4l2_format fmt;
+ ret = v4l2_prio_check(&cx->prio, &id->prio);
+ if (ret)
+ return ret;
- /* fix videodecoder resolution */
- fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- fmt.fmt.pix.width = cx->params.width / (is_mpeg1 ? 2 : 1);
- fmt.fmt.pix.height = cx->params.height;
- cx18_av_cmd(cx, VIDIOC_S_FMT, &fmt);
+ if (c->ctrl_class == V4L2_CTRL_CLASS_USER) {
+ int i;
+ int err = 0;
+
+ for (i = 0; i < c->count; i++) {
+ ctrl.id = c->controls[i].id;
+ ctrl.value = c->controls[i].value;
+ err = cx18_s_ctrl(cx, &ctrl);
+ c->controls[i].value = ctrl.value;
+ if (err) {
+ c->error_idx = i;
+ break;
}
- err = cx2341x_update(cx, cx18_api_func, &cx->params, &p);
- if (!err && cx->params.stream_vbi_fmt != p.stream_vbi_fmt)
- err = cx18_setup_vbi_fmt(cx, p.stream_vbi_fmt);
- cx->params = p;
- cx->dualwatch_stereo_mode = p.audio_properties & 0x0300;
- cx18_audio_set_audio_clock_freq(cx, p.audio_properties & 0x03);
- return err;
}
- return -EINVAL;
+ return err;
}
+ if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) {
+ struct cx2341x_mpeg_params p = cx->params;
+ int err = cx2341x_ext_ctrls(&p, atomic_read(&cx->ana_capturing),
+ c, VIDIOC_S_EXT_CTRLS);
- case VIDIOC_G_EXT_CTRLS:
- {
- struct v4l2_ext_controls *c = arg;
-
- if (c->ctrl_class == V4L2_CTRL_CLASS_USER) {
- int i;
- int err = 0;
-
- for (i = 0; i < c->count; i++) {
- ctrl.id = c->controls[i].id;
- ctrl.value = c->controls[i].value;
- err = cx18_g_ctrl(cx, &ctrl);
- c->controls[i].value = ctrl.value;
- if (err) {
- c->error_idx = i;
- break;
- }
- }
+ if (err)
return err;
+
+ if (p.video_encoding != cx->params.video_encoding) {
+ int is_mpeg1 = p.video_encoding ==
+ V4L2_MPEG_VIDEO_ENCODING_MPEG_1;
+ struct v4l2_format fmt;
+
+ /* fix videodecoder resolution */
+ fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ fmt.fmt.pix.width = cx->params.width
+ / (is_mpeg1 ? 2 : 1);
+ fmt.fmt.pix.height = cx->params.height;
+ cx18_av_cmd(cx, VIDIOC_S_FMT, &fmt);
}
- CX18_DEBUG_IOCTL("VIDIOC_G_EXT_CTRLS\n");
- if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG)
- return cx2341x_ext_ctrls(&cx->params, 0, arg, cmd);
- return -EINVAL;
+ err = cx2341x_update(cx, cx18_api_func, &cx->params, &p);
+ if (!err && cx->params.stream_vbi_fmt != p.stream_vbi_fmt)
+ err = cx18_setup_vbi_fmt(cx, p.stream_vbi_fmt);
+ cx->params = p;
+ cx->dualwatch_stereo_mode = p.audio_properties & 0x0300;
+ cx18_audio_set_audio_clock_freq(cx, p.audio_properties & 0x03);
+ return err;
}
+ return -EINVAL;
+}
- case VIDIOC_TRY_EXT_CTRLS:
- {
- struct v4l2_ext_controls *c = arg;
+int cx18_try_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c)
+{
+ struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
- CX18_DEBUG_IOCTL("VIDIOC_TRY_EXT_CTRLS\n");
- if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG)
- return cx2341x_ext_ctrls(&cx->params,
- atomic_read(&cx->ana_capturing), arg, cmd);
- return -EINVAL;
- }
+ if (c->ctrl_class == V4L2_CTRL_CLASS_USER) {
+ int i;
+ int err = 0;
- default:
- return -EINVAL;
+ for (i = 0; i < c->count; i++) {
+ err = cx18_try_ctrl(file, fh, &c->controls[i]);
+ if (err) {
+ c->error_idx = i;
+ break;
+ }
+ }
+ return err;
}
- return 0;
+ if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG)
+ return cx2341x_ext_ctrls(&cx->params,
+ atomic_read(&cx->ana_capturing),
+ c, VIDIOC_TRY_EXT_CTRLS);
+ return -EINVAL;
}