static int s_fmt(struct saa7146_fh *fh, struct v4l2_format *f)
{
struct saa7146_dev *dev = fh->dev;
struct saa7146_vv *vv = dev->vv_data;
int err;
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
DEB_EE(("V4L2_BUF_TYPE_VIDEO_CAPTURE: dev:%p, fh:%p\n",dev,fh));
if (IS_CAPTURE_ACTIVE(fh) != 0) {
DEB_EE(("streaming capture is active\n"));
return -EBUSY;
}
err = try_fmt(fh,f);
if (0 != err)
return err;
fh->video_fmt = f->fmt.pix;
DEB_EE(("set to pixelformat '%4.4s'\n",(char *)&fh->video_fmt.pixelformat));
return 0;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
DEB_EE(("V4L2_BUF_TYPE_VIDEO_OVERLAY: dev:%p, fh:%p\n",dev,fh));
err = try_win(dev,&f->fmt.win);
if (0 != err)
return err;
down(&dev->lock);
fh->ov.win = f->fmt.win;
fh->ov.nclips = f->fmt.win.clipcount;
if (fh->ov.nclips > 16)
fh->ov.nclips = 16;
if (copy_from_user(fh->ov.clips,f->fmt.win.clips,sizeof(struct v4l2_clip)*fh->ov.nclips)) {
up(&dev->lock);
return -EFAULT;
}
/* fh->ov.fh is used to indicate that we have valid overlay informations, too */
fh->ov.fh = fh;
up(&dev->lock);
/* check if our current overlay is active */
if (IS_OVERLAY_ACTIVE(fh) != 0) {
saa7146_stop_preview(fh);
saa7146_start_preview(fh);
}
return 0;
default:
DEB_D(("unknown format type '%d'\n",f->type));
return -EINVAL;
}
}
static int vidioc_s_std(struct file *file, void *fh, v4l2_std_id *id)
{
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
struct saa7146_vv *vv = dev->vv_data;
int found = 0;
int err, i;
DEB_EE(("VIDIOC_S_STD\n"));
if ((vv->video_status & STATUS_CAPTURE) == STATUS_CAPTURE) {
DEB_D(("cannot change video standard while streaming capture is active\n"));
return -EBUSY;
}
if ((vv->video_status & STATUS_OVERLAY) != 0) {
vv->ov_suspend = vv->video_fh;
err = saa7146_stop_preview(vv->video_fh); /* side effect: video_status is now 0, video_fh is NULL */
if (0 != err) {
DEB_D(("suspending video failed. aborting\n"));
return err;
}
}
mutex_lock(&dev->lock);
for (i = 0; i < dev->ext_vv_data->num_stds; i++)
if (*id & dev->ext_vv_data->stds[i].id)
break;
if (i != dev->ext_vv_data->num_stds) {
vv->standard = &dev->ext_vv_data->stds[i];
if (NULL != dev->ext_vv_data->std_callback)
dev->ext_vv_data->std_callback(dev, vv->standard);
found = 1;
}
mutex_unlock(&dev->lock);
if (vv->ov_suspend != NULL) {
saa7146_start_preview(vv->ov_suspend);
vv->ov_suspend = NULL;
}
if (!found) {
DEB_EE(("VIDIOC_S_STD: standard not found.\n"));
return -EINVAL;
}
DEB_EE(("VIDIOC_S_STD: set to standard to '%s'\n", vv->standard->name));
return 0;
}
int saa7146_unregister_extension(struct saa7146_extension* ext)
{
DEB_EE("ext:%p\n", ext);
pr_info("unregister extension '%s'\n", ext->name);
pci_unregister_driver(&ext->driver);
return 0;
}
int saa7146_start_preview(struct saa7146_fh *fh)
{
struct saa7146_dev *dev = fh->dev;
struct saa7146_vv *vv = dev->vv_data;
struct v4l2_format fmt;
int ret = 0, err = 0;
DEB_EE("dev:%p, fh:%p\n", dev, fh);
/* check if we have overlay information */
if (vv->ov.fh == NULL) {
DEB_D("no overlay data available. try S_FMT first.\n");
return -EAGAIN;
}
/* check if streaming capture is running */
if (IS_CAPTURE_ACTIVE(fh) != 0) {
DEB_D("streaming capture is active\n");
return -EBUSY;
}
/* check if overlay is running */
if (IS_OVERLAY_ACTIVE(fh) != 0) {
if (vv->video_fh == fh) {
DEB_D("overlay is already active\n");
return 0;
}
DEB_D("overlay is already active in another open\n");
return -EBUSY;
}
if (0 == saa7146_res_get(fh, RESOURCE_DMA1_HPS|RESOURCE_DMA2_CLP)) {
DEB_D("cannot get necessary overlay resources\n");
return -EBUSY;
}
fmt.fmt.win = vv->ov.win;
err = vidioc_try_fmt_vid_overlay(NULL, fh, &fmt);
if (0 != err) {
saa7146_res_free(vv->video_fh, RESOURCE_DMA1_HPS|RESOURCE_DMA2_CLP);
return -EBUSY;
}
vv->ov.win = fmt.fmt.win;
DEB_D("%dx%d+%d+%d %s field=%s\n",
vv->ov.win.w.width, vv->ov.win.w.height,
vv->ov.win.w.left, vv->ov.win.w.top,
vv->ov_fmt->name, v4l2_field_names[vv->ov.win.field]);
if (0 != (ret = saa7146_enable_overlay(fh))) {
DEB_D("enabling overlay failed: %d\n", ret);
saa7146_res_free(vv->video_fh, RESOURCE_DMA1_HPS|RESOURCE_DMA2_CLP);
return ret;
}
vv->video_status = STATUS_OVERLAY;
vv->video_fh = fh;
return 0;
}
static int vidioc_s_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
{
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
struct mxb *mxb = (struct mxb *)dev->ext_priv;
struct saa7146_vv *vv = dev->vv_data;
if (f->tuner)
return -EINVAL;
if (V4L2_TUNER_ANALOG_TV != f->type)
return -EINVAL;
if (mxb->cur_input) {
DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n", mxb->cur_input));
return -EINVAL;
}
mxb->cur_freq = *f;
DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n", mxb->cur_freq.frequency));
/* tune in desired frequency */
tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);
/* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
spin_lock(&dev->slock);
vv->vbi_fieldcount = 0;
spin_unlock(&dev->slock);
return 0;
}
static int vidioc_s_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
{
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
struct mxb *mxb = (struct mxb *)dev->ext_priv;
struct saa7146_vv *vv = dev->vv_data;
if (f->tuner)
return -EINVAL;
if (V4L2_TUNER_ANALOG_TV != f->type)
return -EINVAL;
if (mxb->cur_input) {
DEB_D("VIDIOC_S_FREQ: channel %d does not have a tuner!\n",
mxb->cur_input);
return -EINVAL;
}
mxb->cur_freq = *f;
DEB_EE("VIDIOC_S_FREQUENCY: freq:0x%08x\n", mxb->cur_freq.frequency);
tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);
spin_lock(&dev->slock);
vv->vbi_fieldcount = 0;
spin_unlock(&dev->slock);
return 0;
}
int saa7146_unregister_extension(struct saa7146_extension* ext)
{
DEB_EE(("ext:%p\n",ext));
printk("saa7146: unregister extension '%s'.\n",ext->name);
pci_unregister_driver(&ext->driver);
return 0;
}
int saa7146_stop_preview(struct saa7146_fh *fh)
{
struct saa7146_dev *dev = fh->dev;
struct saa7146_vv *vv = dev->vv_data;
DEB_EE(("dev:%p, fh:%p\n",dev,fh));
/* check if streaming capture is running */
if (IS_CAPTURE_ACTIVE(fh) != 0) {
DEB_D(("streaming capture is active.\n"));
return -EBUSY;
}
/* check if overlay is running at all */
if ((vv->video_status & STATUS_OVERLAY) == 0) {
DEB_D(("no active overlay.\n"));
return 0;
}
if (vv->video_fh != fh) {
DEB_D(("overlay is active, but in another open.\n"));
return -EBUSY;
}
vv->video_status = 0;
vv->video_fh = NULL;
saa7146_disable_overlay(fh);
saa7146_res_free(fh, RESOURCE_DMA1_HPS|RESOURCE_DMA2_CLP);
return 0;
}
int saa7146_unregister_extension(struct saa7146_extension* ext)
{
DEB_EE(("ext:%p\n",ext));
;
pci_unregister_driver(&ext->driver);
return 0;
}
static int video_begin(struct saa7146_fh *fh)
{
struct saa7146_dev *dev = fh->dev;
struct saa7146_vv *vv = dev->vv_data;
struct saa7146_format *fmt = NULL;
unsigned int resource;
int ret = 0, err = 0;
DEB_EE(("dev:%p, fh:%p\n",dev,fh));
if ((vv->video_status & STATUS_CAPTURE) != 0) {
if (vv->video_fh == fh) {
DEB_S(("already capturing.\n"));
return 0;
}
DEB_S(("already capturing in another open.\n"));
return -EBUSY;
}
if ((vv->video_status & STATUS_OVERLAY) != 0) {
DEB_S(("warning: suspending overlay video for streaming capture.\n"));
vv->ov_suspend = vv->video_fh;
err = saa7146_stop_preview(vv->video_fh); /* side effect: video_status is now 0, video_fh is NULL */
if (0 != err) {
DEB_D(("suspending video failed. aborting\n"));
return err;
}
}
fmt = format_by_fourcc(dev,fh->video_fmt.pixelformat);
/* we need to have a valid format set here */
BUG_ON(NULL == fmt);
if (0 != (fmt->flags & FORMAT_IS_PLANAR)) {
resource = RESOURCE_DMA1_HPS|RESOURCE_DMA2_CLP|RESOURCE_DMA3_BRS;
} else {
resource = RESOURCE_DMA1_HPS;
}
ret = saa7146_res_get(fh, resource);
if (0 == ret) {
DEB_S(("cannot get capture resource %d\n",resource));
if (vv->ov_suspend != NULL) {
saa7146_start_preview(vv->ov_suspend);
vv->ov_suspend = NULL;
}
return -EBUSY;
}
/* clear out beginning of streaming bit (rps register 0)*/
saa7146_write(dev, MC2, MASK_27 );
/* enable rps0 irqs */
SAA7146_IER_ENABLE(dev, MASK_27);
vv->video_fh = fh;
vv->video_status = STATUS_CAPTURE;
return 0;
}
static int vidioc_s_fmt_vid_overlay(struct file *file, void *__fh, struct v4l2_format *f)
{
struct saa7146_fh *fh = __fh;
struct saa7146_dev *dev = fh->dev;
struct saa7146_vv *vv = dev->vv_data;
int err;
DEB_EE("V4L2_BUF_TYPE_VIDEO_OVERLAY: dev:%p, fh:%p\n", dev, fh);
err = vidioc_try_fmt_vid_overlay(file, fh, f);
if (0 != err)
return err;
fh->ov.win = f->fmt.win;
fh->ov.nclips = f->fmt.win.clipcount;
if (fh->ov.nclips > 16)
fh->ov.nclips = 16;
if (copy_from_user(fh->ov.clips, f->fmt.win.clips,
sizeof(struct v4l2_clip) * fh->ov.nclips)) {
return -EFAULT;
}
/* fh->ov.fh is used to indicate that we have valid overlay informations, too */
fh->ov.fh = fh;
/* check if our current overlay is active */
if (IS_OVERLAY_ACTIVE(fh) != 0) {
saa7146_stop_preview(fh);
saa7146_start_preview(fh);
}
return 0;
}
static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
{
DEB_EE(("VIDIOC_ENUMINPUT %d.\n", i->index));
if (i->index >= MXB_INPUTS)
return -EINVAL;
memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input));
return 0;
}
static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
{
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
struct mxb *mxb = (struct mxb *)dev->ext_priv;
int err = 0;
int i = 0;
DEB_EE(("VIDIOC_S_INPUT %d.\n", input));
if (input >= MXB_INPUTS)
return -EINVAL;
mxb->cur_input = input;
saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source,
input_port_selection[input].hps_sync);
/* prepare switching of tea6415c and saa7111a;
have a look at the 'background'-file for further informations */
switch (input) {
case TUNER:
i = SAA7115_COMPOSITE0;
err = tea6415c_call(mxb, video, s_routing, 3, 17, 0);
/* connect tuner-output always to multicable */
if (!err)
err = tea6415c_call(mxb, video, s_routing, 3, 13, 0);
break;
case AUX3_YC:
/* nothing to be done here. aux3_yc is
directly connected to the saa711a */
i = SAA7115_SVIDEO1;
break;
case AUX3:
/* nothing to be done here. aux3 is
directly connected to the saa711a */
i = SAA7115_COMPOSITE1;
break;
case AUX1:
i = SAA7115_COMPOSITE0;
err = tea6415c_call(mxb, video, s_routing, 1, 17, 0);
break;
}
if (err)
return err;
/* switch video in saa7111a */
if (saa7111a_call(mxb, video, s_routing, i, SAA7111_FMT_CCIR, 0))
printk(KERN_ERR "VIDIOC_S_INPUT: could not address saa7111a.\n");
/* switch the audio-source only if necessary */
if (0 == mxb->cur_mute)
tea6420_route_line(mxb, video_audio_connect[input]);
return 0;
}
static int vidioc_try_fmt_vid_overlay(struct file *file, void *fh, struct v4l2_format *f)
{
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
struct saa7146_vv *vv = dev->vv_data;
struct v4l2_window *win = &f->fmt.win;
enum v4l2_field field;
int maxw, maxh;
DEB_EE("dev:%p\n", dev);
if (NULL == vv->ov_fb.base) {
DEB_D("no fb base set\n");
return -EINVAL;
}
if (NULL == vv->ov_fmt) {
DEB_D("no fb fmt set\n");
return -EINVAL;
}
if (win->w.width < 48 || win->w.height < 32) {
DEB_D("min width/height. (%d,%d)\n",
win->w.width, win->w.height);
return -EINVAL;
}
if (win->clipcount > 16) {
DEB_D("clipcount too big\n");
return -EINVAL;
}
field = win->field;
maxw = vv->standard->h_max_out;
maxh = vv->standard->v_max_out;
if (V4L2_FIELD_ANY == field) {
field = (win->w.height > maxh / 2)
? V4L2_FIELD_INTERLACED
: V4L2_FIELD_TOP;
}
switch (field) {
case V4L2_FIELD_TOP:
case V4L2_FIELD_BOTTOM:
case V4L2_FIELD_ALTERNATE:
maxh = maxh / 2;
break;
case V4L2_FIELD_INTERLACED:
break;
default:
DEB_D("no known field mode '%d'\n", field);
return -EINVAL;
}
win->field = field;
if (win->w.width > maxw)
win->w.width = maxw;
if (win->w.height > maxh)
win->w.height = maxh;
return 0;
}
void ttpci_budget_irq10_handler (struct saa7146_dev* dev, u32 *isr)
{
struct budget *budget = (struct budget*)dev->ext_priv;
DEB_EE(("dev: %p, budget: %p\n",dev,budget));
if (*isr & MASK_10)
tasklet_schedule (&budget->vpe_tasklet);
}
static int vidioc_g_input(struct file *file, void *fh, unsigned int *i)
{
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
struct mxb *mxb = (struct mxb *)dev->ext_priv;
*i = mxb->cur_input;
DEB_EE(("VIDIOC_G_INPUT %d.\n", *i));
return 0;
}
static int video_end(struct saa7146_fh *fh, struct file *file)
{
struct saa7146_dev *dev = fh->dev;
struct saa7146_vv *vv = dev->vv_data;
struct saa7146_format *fmt = NULL;
unsigned long flags;
unsigned int resource;
u32 dmas = 0;
DEB_EE(("dev:%p, fh:%p\n",dev,fh));
if ((vv->video_status & STATUS_CAPTURE) != STATUS_CAPTURE) {
DEB_S(("not capturing.\n"));
return 0;
}
if (vv->video_fh != fh) {
DEB_S(("capturing, but in another open.\n"));
return -EBUSY;
}
fmt = format_by_fourcc(dev,fh->video_fmt.pixelformat);
/* we need to have a valid format set here */
BUG_ON(NULL == fmt);
if (0 != (fmt->flags & FORMAT_IS_PLANAR)) {
resource = RESOURCE_DMA1_HPS|RESOURCE_DMA2_CLP|RESOURCE_DMA3_BRS;
dmas = MASK_22 | MASK_21 | MASK_20;
} else {
resource = RESOURCE_DMA1_HPS;
dmas = MASK_22;
}
spin_lock_irqsave(&dev->slock,flags);
/* disable rps0 */
saa7146_write(dev, MC1, MASK_28);
/* disable rps0 irqs */
SAA7146_IER_DISABLE(dev, MASK_27);
/* shut down all used video dma transfers */
saa7146_write(dev, MC1, dmas);
spin_unlock_irqrestore(&dev->slock, flags);
vv->video_fh = NULL;
vv->video_status = 0;
saa7146_res_free(fh, resource);
if (vv->ov_suspend != NULL) {
saa7146_start_preview(vv->ov_suspend);
vv->ov_suspend = NULL;
}
return 0;
}
static int try_win(struct saa7146_dev *dev, struct v4l2_window *win)
{
struct saa7146_vv *vv = dev->vv_data;
enum v4l2_field field;
int maxw, maxh;
DEB_EE(("dev:%p\n",dev));
if (NULL == vv->ov_fb.base) {
DEB_D(("no fb base set.\n"));
return -EINVAL;
}
if (NULL == vv->ov_fmt) {
DEB_D(("no fb fmt set.\n"));
return -EINVAL;
}
if (win->w.width < 48 || win->w.height < 32) {
DEB_D(("min width/height. (%d,%d)\n",win->w.width,win->w.height));
return -EINVAL;
}
if (win->clipcount > 16) {
DEB_D(("clipcount too big.\n"));
return -EINVAL;
}
field = win->field;
maxw = vv->standard->h_max_out;
maxh = vv->standard->v_max_out;
if (V4L2_FIELD_ANY == field) {
field = (win->w.height > maxh/2)
? V4L2_FIELD_INTERLACED
: V4L2_FIELD_TOP;
}
switch (field) {
case V4L2_FIELD_TOP:
case V4L2_FIELD_BOTTOM:
case V4L2_FIELD_ALTERNATE:
maxh = maxh / 2;
break;
case V4L2_FIELD_INTERLACED:
break;
default: {
DEB_D(("no known field mode '%d'.\n",field));
return -EINVAL;
}
}
win->field = field;
if (win->w.width > maxw)
win->w.width = maxw;
if (win->w.height > maxh)
win->w.height = maxh;
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *__fh, struct v4l2_format *f)
{
struct saa7146_fh *fh = __fh;
struct saa7146_dev *dev = fh->dev;
struct saa7146_vv *vv = dev->vv_data;
int err;
DEB_EE(("V4L2_BUF_TYPE_VIDEO_CAPTURE: dev:%p, fh:%p\n", dev, fh));
if (IS_CAPTURE_ACTIVE(fh) != 0) {
DEB_EE(("streaming capture is active\n"));
return -EBUSY;
}
err = vidioc_try_fmt_vid_cap(file, fh, f);
if (0 != err)
return err;
fh->video_fmt = f->fmt.pix;
DEB_EE(("set to pixelformat '%4.4s'\n", (char *)&fh->video_fmt.pixelformat));
return 0;
}
static long vidioc_default(struct file *file, void *fh, bool valid_prio,
int cmd, void *arg)
{
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
struct mxb *mxb = (struct mxb *)dev->ext_priv;
switch (cmd) {
case MXB_S_AUDIO_CD:
{
int i = *(int *)arg;
if (i < 0 || i >= MXB_AUDIOS) {
DEB_D("invalid argument to MXB_S_AUDIO_CD: i:%d\n", i);
return -EINVAL;
}
DEB_EE("MXB_S_AUDIO_CD: i:%d\n", i);
tea6420_route_cd(mxb, i);
return 0;
}
case MXB_S_AUDIO_LINE:
{
int i = *(int *)arg;
if (i < 0 || i >= MXB_AUDIOS) {
DEB_D("invalid argument to MXB_S_AUDIO_LINE: i:%d\n",
i);
return -EINVAL;
}
DEB_EE("MXB_S_AUDIO_LINE: i:%d\n", i);
tea6420_route_line(mxb, i);
return 0;
}
default:
/*
DEB2(pr_err("does not handle this ioctl\n"));
*/
return -ENOIOCTLCMD;
}
return 0;
}
static int stop_ts_capture(struct budget *budget)
{
DEB_EE(("budget: %p\n",budget));
if (--budget->feeding)
return budget->feeding;
saa7146_write(budget->dev, MC1, MASK_20); // DMA3 off
IER_DISABLE(budget->dev, MASK_10);
return 0;
}
int saa7146_unregister_extension(struct saa7146_extension* ext)
{
DEB_EE(("ext:%p\n",ext));
#ifdef CONFIG_DEBUG_PRINTK
printk("saa7146: unregister extension '%s'.\n",ext->name);
#else
;
#endif
pci_unregister_driver(&ext->driver);
return 0;
}
void saa7146_dma_free(struct saa7146_dev *dev,struct saa7146_buf *buf)
{
DEB_EE(("dev:%p, buf:%p\n",dev,buf));
if (in_interrupt())
BUG();
videobuf_waiton(&buf->vb,0,0);
videobuf_dma_pci_unmap(dev->pci, &buf->vb.dma);
videobuf_dma_free(&buf->vb.dma);
buf->vb.state = STATE_NEEDS_INIT;
}
int saa7146_register_extension(struct saa7146_extension* ext)
{
DEB_EE(("ext:%p\n",ext));
ext->driver.name = ext->name;
ext->driver.id_table = ext->pci_tbl;
ext->driver.probe = saa7146_init_one;
ext->driver.remove = saa7146_remove_one;
printk("saa7146: register extension '%s'.\n",ext->name);
return pci_register_driver(&ext->driver);
}
static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
{
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
struct mxb *mxb = (struct mxb *)dev->ext_priv;
int err = 0;
int i = 0;
DEB_EE("VIDIOC_S_INPUT %d\n", input);
if (input >= MXB_INPUTS)
return -EINVAL;
mxb->cur_input = input;
saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source,
input_port_selection[input].hps_sync);
switch (input) {
case TUNER:
i = SAA7115_COMPOSITE0;
err = tea6415c_call(mxb, video, s_routing, 3, 17, 0);
if (!err)
err = tea6415c_call(mxb, video, s_routing, 3, 13, 0);
break;
case AUX3_YC:
i = SAA7115_SVIDEO1;
break;
case AUX3:
i = SAA7115_COMPOSITE1;
break;
case AUX1:
i = SAA7115_COMPOSITE0;
err = tea6415c_call(mxb, video, s_routing, 1, 17, 0);
break;
}
if (err)
return err;
if (saa7111a_call(mxb, video, s_routing, i, SAA7111_FMT_CCIR, 0))
pr_err("VIDIOC_S_INPUT: could not address saa7111a\n");
if (0 == mxb->cur_mute)
tea6420_route_line(mxb, video_audio_connect[input]);
return 0;
}
static int budget_stop_feed(struct dvb_demux_feed *feed)
{
struct dvb_demux *demux = feed->demux;
struct budget *budget = (struct budget *) demux->priv;
int status;
DEB_EE(("budget: %p\n",budget));
spin_lock(&budget->feedlock);
status = stop_ts_capture (budget);
spin_unlock(&budget->feedlock);
return status;
}
void saa7146_dma_free(struct saa7146_dev *dev,struct videobuf_queue *q,
struct saa7146_buf *buf)
{
struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
DEB_EE(("dev:%p, buf:%p\n",dev,buf));
BUG_ON(in_interrupt());
videobuf_waiton(&buf->vb,0,0);
videobuf_dma_unmap(q, dma);
videobuf_dma_free(dma);
buf->vb.state = VIDEOBUF_NEEDS_INIT;
}
void saa7146_buffer_finish(struct saa7146_dev *dev,
struct saa7146_dmaqueue *q,
int state)
{
assert_spin_locked(&dev->slock);
DEB_EE(("dev:%p, dmaq:%p, state:%d\n", dev, q, state));
DEB_EE(("q->curr:%p\n",q->curr));
BUG_ON(!q->curr);
/* finish current buffer */
if (NULL == q->curr) {
DEB_D(("aiii. no current buffer\n"));
return;
}
q->curr->vb.state = state;
do_gettimeofday(&q->curr->vb.ts);
wake_up(&q->curr->vb.done);
q->curr = NULL;
}
static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)
{
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
struct mxb *mxb = (struct mxb *)dev->ext_priv;
if (a->index > MXB_INPUTS) {
DEB_D(("VIDIOC_G_AUDIO %d out of range.\n", a->index));
return -EINVAL;
}
DEB_EE(("VIDIOC_G_AUDIO %d.\n", a->index));
memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio));
return 0;
}
/* this function only gets called when the probing was successful */
static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
{
struct mxb *mxb;
DEB_EE(("dev:%p\n", dev));
saa7146_vv_init(dev, &vv_data);
if (mxb_probe(dev)) {
saa7146_vv_release(dev);
return -1;
}
mxb = (struct mxb *)dev->ext_priv;
vv_data.ops.vidioc_queryctrl = vidioc_queryctrl;
vv_data.ops.vidioc_g_ctrl = vidioc_g_ctrl;
vv_data.ops.vidioc_s_ctrl = vidioc_s_ctrl;
vv_data.ops.vidioc_enum_input = vidioc_enum_input;
vv_data.ops.vidioc_g_input = vidioc_g_input;
vv_data.ops.vidioc_s_input = vidioc_s_input;
vv_data.ops.vidioc_g_tuner = vidioc_g_tuner;
vv_data.ops.vidioc_s_tuner = vidioc_s_tuner;
vv_data.ops.vidioc_g_frequency = vidioc_g_frequency;
vv_data.ops.vidioc_s_frequency = vidioc_s_frequency;
vv_data.ops.vidioc_g_audio = vidioc_g_audio;
vv_data.ops.vidioc_s_audio = vidioc_s_audio;
#ifdef CONFIG_VIDEO_ADV_DEBUG
vv_data.ops.vidioc_g_register = vidioc_g_register;
vv_data.ops.vidioc_s_register = vidioc_s_register;
#endif
vv_data.ops.vidioc_default = vidioc_default;
if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
ERR(("cannot register capture v4l2 device. skipping.\n"));
saa7146_vv_release(dev);
return -1;
}
/* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
if (MXB_BOARD_CAN_DO_VBI(dev)) {
if (saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) {
ERR(("cannot register vbi v4l2 device. skipping.\n"));
}
}
printk("mxb: found Multimedia eXtension Board #%d.\n", mxb_num);
mxb_num++;
mxb_init_done(dev);
return 0;
}
