width /= 2;
}
- if ((hscale =
- (((unsigned long)maxw) << 12) / width - 4096L) >=
- 0x4000)
+ if ((hscale = (((unsigned long)maxw) << 12) / width - 4096L) >= 0x4000)
hscale = 0x3fff;
- width =
- (((unsigned long)maxw) << 12) / (hscale + 4096L);
- if ((vscale =
- (((unsigned long)maxh) << 12) / height - 4096L) >=
- 0x4000)
+ width = (((unsigned long)maxw) << 12) / (hscale + 4096L);
+
+ if ((vscale = (((unsigned long)maxh) << 12) / height - 4096L) >= 0x4000)
vscale = 0x3fff;
- height =
- (((unsigned long)maxh) << 12) / (vscale + 4096L);
+
+ height = (((unsigned long)maxh) << 12) / (vscale + 4096L);
format->fmt.pix.width = width;
format->fmt.pix.height = height;
format->fmt.pix.field = V4L2_FIELD_INTERLACED;
em28xx_videodbg("%s: returned %dx%d (%d, %d)\n",
- cmd ==
- VIDIOC_TRY_FMT ? "VIDIOC_TRY_FMT" :
- "VIDIOC_S_FMT", format->fmt.pix.width,
- format->fmt.pix.height, hscale, vscale);
+ cmd == VIDIOC_TRY_FMT ?
+ "VIDIOC_TRY_FMT" :"VIDIOC_S_FMT",
+ format->fmt.pix.width, format->fmt.pix.height, hscale, vscale);
if (cmd == VIDIOC_TRY_FMT)
return 0;
dev->width = width;
dev->height = height;
dev->frame_size = dev->width * dev->height * 2;
- dev->field_size = dev->frame_size >> 1; /*both_fileds ? dev->frame_size>>1 : dev->frame_size; */
+ dev->field_size = dev->frame_size >> 1;
dev->bytesperline = dev->width * 2;
dev->hscale = hscale;
dev->vscale = vscale;
switch (cmd) {
/* ---------- tv norms ---------- */
case VIDIOC_ENUMSTD:
- {
- struct v4l2_standard *e = arg;
- unsigned int i;
+ {
+ struct v4l2_standard *e = arg;
+ unsigned int i;
- i = e->index;
- if (i >= TVNORMS)
- return -EINVAL;
- ret = v4l2_video_std_construct(e, tvnorms[e->index].id,
- tvnorms[e->index].name);
- e->index = i;
- if (ret < 0)
- return ret;
- return 0;
- }
+ i = e->index;
+ if (i >= TVNORMS)
+ return -EINVAL;
+ ret = v4l2_video_std_construct(e, tvnorms[e->index].id,
+ tvnorms[e->index].name);
+ e->index = i;
+ if (ret < 0)
+ return ret;
+ return 0;
+ }
case VIDIOC_G_STD:
- {
- v4l2_std_id *id = arg;
+ {
+ v4l2_std_id *id = arg;
- *id = dev->tvnorm->id;
- return 0;
- }
+ *id = dev->tvnorm->id;
+ return 0;
+ }
case VIDIOC_S_STD:
- {
- v4l2_std_id *id = arg;
- unsigned int i;
+ {
+ v4l2_std_id *id = arg;
+ unsigned int i;
+ for (i = 0; i < TVNORMS; i++)
+ if (*id == tvnorms[i].id)
+ break;
+ if (i == TVNORMS)
for (i = 0; i < TVNORMS; i++)
- if (*id == tvnorms[i].id)
+ if (*id & tvnorms[i].id)
break;
- if (i == TVNORMS)
- for (i = 0; i < TVNORMS; i++)
- if (*id & tvnorms[i].id)
- break;
- if (i == TVNORMS)
- return -EINVAL;
+ if (i == TVNORMS)
+ return -EINVAL;
- down(&dev->lock);
- dev->tvnorm = &tvnorms[i];
+ down(&dev->lock);
+ dev->tvnorm = &tvnorms[i];
- em28xx_set_norm(dev, dev->width, dev->height);
+ em28xx_set_norm(dev, dev->width, dev->height);
- em28xx_i2c_call_clients(dev, DECODER_SET_NORM,
- &tvnorms[i].mode);
- em28xx_i2c_call_clients(dev, VIDIOC_S_STD,
- &dev->tvnorm->id);
+ em28xx_i2c_call_clients(dev, DECODER_SET_NORM,
+ &tvnorms[i].mode);
+ em28xx_i2c_call_clients(dev, VIDIOC_S_STD,
+ &dev->tvnorm->id);
- up(&dev->lock);
+ up(&dev->lock);
- return 0;
- }
+ return 0;
+ }
- /* ------ input switching ---------- */
+ /* ------ input switching ---------- */
case VIDIOC_ENUMINPUT:
- {
- struct v4l2_input *i = arg;
- unsigned int n;
- static const char *iname[] = {
- [EM28XX_VMUX_COMPOSITE1] = "Composite1",
- [EM28XX_VMUX_COMPOSITE2] = "Composite2",
- [EM28XX_VMUX_COMPOSITE3] = "Composite3",
- [EM28XX_VMUX_COMPOSITE4] = "Composite4",
- [EM28XX_VMUX_SVIDEO] = "S-Video",
- [EM28XX_VMUX_TELEVISION] = "Television",
- [EM28XX_VMUX_CABLE] = "Cable TV",
- [EM28XX_VMUX_DVB] = "DVB",
- [EM28XX_VMUX_DEBUG] = "for debug only",
- };
-
- n = i->index;
- if (n >= MAX_EM28XX_INPUT)
- return -EINVAL;
- if (0 == INPUT(n)->type)
- return -EINVAL;
- memset(i, 0, sizeof(*i));
- i->index = n;
- i->type = V4L2_INPUT_TYPE_CAMERA;
- strcpy(i->name, iname[INPUT(n)->type]);
- if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) ||
- (EM28XX_VMUX_CABLE == INPUT(n)->type))
- i->type = V4L2_INPUT_TYPE_TUNER;
- for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
- i->std |= tvnorms[n].id;
- return 0;
- }
-
+ {
+ struct v4l2_input *i = arg;
+ unsigned int n;
+ static const char *iname[] = {
+ [EM28XX_VMUX_COMPOSITE1] = "Composite1",
+ [EM28XX_VMUX_COMPOSITE2] = "Composite2",
+ [EM28XX_VMUX_COMPOSITE3] = "Composite3",
+ [EM28XX_VMUX_COMPOSITE4] = "Composite4",
+ [EM28XX_VMUX_SVIDEO] = "S-Video",
+ [EM28XX_VMUX_TELEVISION] = "Television",
+ [EM28XX_VMUX_CABLE] = "Cable TV",
+ [EM28XX_VMUX_DVB] = "DVB",
+ [EM28XX_VMUX_DEBUG] = "for debug only",
+ };
+
+ n = i->index;
+ if (n >= MAX_EM28XX_INPUT)
+ return -EINVAL;
+ if (0 == INPUT(n)->type)
+ return -EINVAL;
+ memset(i, 0, sizeof(*i));
+ i->index = n;
+ i->type = V4L2_INPUT_TYPE_CAMERA;
+ strcpy(i->name, iname[INPUT(n)->type]);
+ if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) ||
+ (EM28XX_VMUX_CABLE == INPUT(n)->type))
+ i->type = V4L2_INPUT_TYPE_TUNER;
+ for (n = 0; n < ARRAY_SIZE(tvnorms); n++)
+ i->std |= tvnorms[n].id;
+ return 0;
+ }
case VIDIOC_G_INPUT:
- {
- int *i = arg;
- *i = dev->ctl_input;
-
- return 0;
- }
+ {
+ int *i = arg;
+ *i = dev->ctl_input;
+ return 0;
+ }
case VIDIOC_S_INPUT:
- {
- int *index = arg;
-
- if (*index >= MAX_EM28XX_INPUT)
- return -EINVAL;
- if (0 == INPUT(*index)->type)
- return -EINVAL;
+ {
+ int *index = arg;
- down(&dev->lock);
- video_mux(dev, *index);
- up(&dev->lock);
+ if (*index >= MAX_EM28XX_INPUT)
+ return -EINVAL;
+ if (0 == INPUT(*index)->type)
+ return -EINVAL;
- return 0;
- }
+ down(&dev->lock);
+ video_mux(dev, *index);
+ up(&dev->lock);
+ return 0;
+ }
case VIDIOC_G_AUDIO:
- {
- struct v4l2_audio *a = arg;
- unsigned int index = a->index;
+ {
+ struct v4l2_audio *a = arg;
+ unsigned int index = a->index;
- if (a->index > 1)
- return -EINVAL;
- memset(a, 0, sizeof(*a));
- index = dev->ctl_ainput;
+ if (a->index > 1)
+ return -EINVAL;
+ memset(a, 0, sizeof(*a));
+ index = dev->ctl_ainput;
- if (index == 0) {
- strcpy(a->name, "Television");
- } else {
- strcpy(a->name, "Line In");
- }
- a->capability = V4L2_AUDCAP_STEREO;
- a->index = index;
- return 0;
+ if (index == 0) {
+ strcpy(a->name, "Television");
+ } else {
+ strcpy(a->name, "Line In");
}
-
+ a->capability = V4L2_AUDCAP_STEREO;
+ a->index = index;
+ return 0;
+ }
case VIDIOC_S_AUDIO:
- {
- struct v4l2_audio *a = arg;
- if (a->index != dev->ctl_ainput)
- return -EINVAL;
+ {
+ struct v4l2_audio *a = arg;
- return 0;
- }
+ if (a->index != dev->ctl_ainput)
+ return -EINVAL;
+
+ return 0;
+ }
- /* --- controls ---------------------------------------------- */
+ /* --- controls ---------------------------------------------- */
case VIDIOC_QUERYCTRL:
- {
- struct v4l2_queryctrl *qc = arg;
- int i, id=qc->id;
-
- memset(qc,0,sizeof(*qc));
- qc->id=id;
-
- if (!dev->has_msp34xx) {
- for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) {
- if (qc->id && qc->id == em28xx_qctrl[i].id) {
- memcpy(qc, &(em28xx_qctrl[i]),
- sizeof(*qc));
- return 0;
- }
- }
- }
- if (dev->decoder == EM28XX_TVP5150) {
- em28xx_i2c_call_clients(dev,cmd,qc);
- if (qc->type)
- return 0;
- else
- return -EINVAL;
- }
- for (i = 0; i < ARRAY_SIZE(saa711x_qctrl); i++) {
- if (qc->id && qc->id == saa711x_qctrl[i].id) {
- memcpy(qc, &(saa711x_qctrl[i]),
- sizeof(*qc));
+ {
+ struct v4l2_queryctrl *qc = arg;
+ int i, id=qc->id;
+
+ memset(qc,0,sizeof(*qc));
+ qc->id=id;
+
+ if (!dev->has_msp34xx) {
+ for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) {
+ if (qc->id && qc->id == em28xx_qctrl[i].id) {
+ memcpy(qc, &(em28xx_qctrl[i]),
+ sizeof(*qc));
return 0;
}
}
-
- return -EINVAL;
+ }
+ if (dev->decoder == EM28XX_TVP5150) {
+ em28xx_i2c_call_clients(dev,cmd,qc);
+ if (qc->type)
+ return 0;
+ else
+ return -EINVAL;
+ }
+ for (i = 0; i < ARRAY_SIZE(saa711x_qctrl); i++) {
+ if (qc->id && qc->id == saa711x_qctrl[i].id) {
+ memcpy(qc, &(saa711x_qctrl[i]),
+ sizeof(*qc));
+ return 0;
+ }
}
+ return -EINVAL;
+ }
case VIDIOC_G_CTRL:
- {
- struct v4l2_control *ctrl = arg;
- int retval=-EINVAL;
-
- if (!dev->has_msp34xx)
- retval=em28xx_get_ctrl(dev, ctrl);
- if (retval==-EINVAL) {
- if (dev->decoder == EM28XX_TVP5150) {
- em28xx_i2c_call_clients(dev,cmd,arg);
- return 0;
- }
+ {
+ struct v4l2_control *ctrl = arg;
+ int retval=-EINVAL;
- return saa711x_get_ctrl(dev, ctrl);
- } else return retval;
- }
+ if (!dev->has_msp34xx)
+ retval=em28xx_get_ctrl(dev, ctrl);
+ if (retval==-EINVAL) {
+ if (dev->decoder == EM28XX_TVP5150) {
+ em28xx_i2c_call_clients(dev,cmd,arg);
+ return 0;
+ }
+ return saa711x_get_ctrl(dev, ctrl);
+ } else return retval;
+ }
case VIDIOC_S_CTRL:
- {
- struct v4l2_control *ctrl = arg;
- u8 i;
-
- if (!dev->has_msp34xx){
- for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) {
- if (ctrl->id == em28xx_qctrl[i].id) {
- if (ctrl->value <
- em28xx_qctrl[i].minimum
- || ctrl->value >
- em28xx_qctrl[i].maximum)
- return -ERANGE;
- return em28xx_set_ctrl(dev, ctrl);
- }
+ {
+ struct v4l2_control *ctrl = arg;
+ u8 i;
+
+ if (!dev->has_msp34xx){
+ for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) {
+ if (ctrl->id == em28xx_qctrl[i].id) {
+ if (ctrl->value <
+ em28xx_qctrl[i].minimum
+ || ctrl->value >
+ em28xx_qctrl[i].maximum)
+ return -ERANGE;
+ return em28xx_set_ctrl(dev, ctrl);
}
}
+ }
- if (dev->decoder == EM28XX_TVP5150) {
- em28xx_i2c_call_clients(dev,cmd,arg);
- return 0;
- } else if (!dev->has_msp34xx) {
- for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) {
- if (ctrl->id == em28xx_qctrl[i].id) {
- if (ctrl->value <
- em28xx_qctrl[i].minimum
- || ctrl->value >
- em28xx_qctrl[i].maximum)
- return -ERANGE;
- return em28xx_set_ctrl(dev, ctrl);
- }
+ if (dev->decoder == EM28XX_TVP5150) {
+ em28xx_i2c_call_clients(dev,cmd,arg);
+ return 0;
+ } else if (!dev->has_msp34xx) {
+ for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) {
+ if (ctrl->id == em28xx_qctrl[i].id) {
+ if (ctrl->value <
+ em28xx_qctrl[i].minimum
+ || ctrl->value >
+ em28xx_qctrl[i].maximum)
+ return -ERANGE;
+ return em28xx_set_ctrl(dev, ctrl);
}
- for (i = 0; i < ARRAY_SIZE(saa711x_qctrl); i++) {
- if (ctrl->id == saa711x_qctrl[i].id) {
- if (ctrl->value <
- saa711x_qctrl[i].minimum
- || ctrl->value >
- saa711x_qctrl[i].maximum)
- return -ERANGE;
- return saa711x_set_ctrl(dev, ctrl);
- }
+ }
+ for (i = 0; i < ARRAY_SIZE(saa711x_qctrl); i++) {
+ if (ctrl->id == saa711x_qctrl[i].id) {
+ if (ctrl->value <
+ saa711x_qctrl[i].minimum
+ || ctrl->value >
+ saa711x_qctrl[i].maximum)
+ return -ERANGE;
+ return saa711x_set_ctrl(dev, ctrl);
}
}
-
- return -EINVAL;
}
- /* --- tuner ioctls ------------------------------------------ */
+ return -EINVAL;
+ }
+ /* --- tuner ioctls ------------------------------------------ */
case VIDIOC_G_TUNER:
- {
- struct v4l2_tuner *t = arg;
- int status = 0;
+ {
+ struct v4l2_tuner *t = arg;
+ int status = 0;
- if (0 != t->index)
- return -EINVAL;
+ if (0 != t->index)
+ return -EINVAL;
- memset(t, 0, sizeof(*t));
- strcpy(t->name, "Tuner");
- t->type = V4L2_TUNER_ANALOG_TV;
- t->capability = V4L2_TUNER_CAP_NORM;
- t->rangehigh = 0xffffffffUL; /* FIXME: set correct range */
+ memset(t, 0, sizeof(*t));
+ strcpy(t->name, "Tuner");
+ t->type = V4L2_TUNER_ANALOG_TV;
+ t->capability = V4L2_TUNER_CAP_NORM;
+ t->rangehigh = 0xffffffffUL; /* FIXME: set correct range */
/* t->signal = 0xffff;*/
/* em28xx_i2c_call_clients(dev,VIDIOC_G_TUNER,t);*/
- /* No way to get signal strength? */
- down(&dev->lock);
- em28xx_i2c_call_clients(dev, DECODER_GET_STATUS,
- &status);
- up(&dev->lock);
- t->signal =
- (status & DECODER_STATUS_GOOD) != 0 ? 0xffff : 0;
-
- em28xx_videodbg("VIDIO_G_TUNER: signal=%x, afc=%x\n", t->signal,
- t->afc);
- return 0;
- }
+ /* No way to get signal strength? */
+ down(&dev->lock);
+ em28xx_i2c_call_clients(dev, DECODER_GET_STATUS,
+ &status);
+ up(&dev->lock);
+ t->signal =
+ (status & DECODER_STATUS_GOOD) != 0 ? 0xffff : 0;
+
+ em28xx_videodbg("VIDIO_G_TUNER: signal=%x, afc=%x\n", t->signal,
+ t->afc);
+ return 0;
+ }
case VIDIOC_S_TUNER:
- {
- struct v4l2_tuner *t = arg;
- int status = 0;
+ {
+ struct v4l2_tuner *t = arg;
+ int status = 0;
- if (0 != t->index)
- return -EINVAL;
- memset(t, 0, sizeof(*t));
- strcpy(t->name, "Tuner");
- t->type = V4L2_TUNER_ANALOG_TV;
- t->capability = V4L2_TUNER_CAP_NORM;
- t->rangehigh = 0xffffffffUL; /* FIXME: set correct range */
+ if (0 != t->index)
+ return -EINVAL;
+ memset(t, 0, sizeof(*t));
+ strcpy(t->name, "Tuner");
+ t->type = V4L2_TUNER_ANALOG_TV;
+ t->capability = V4L2_TUNER_CAP_NORM;
+ t->rangehigh = 0xffffffffUL; /* FIXME: set correct range */
/* t->signal = 0xffff; */
- /* No way to get signal strength? */
- down(&dev->lock);
- em28xx_i2c_call_clients(dev, DECODER_GET_STATUS,
- &status);
- up(&dev->lock);
- t->signal =
- (status & DECODER_STATUS_GOOD) != 0 ? 0xffff : 0;
-
- em28xx_videodbg("VIDIO_S_TUNER: signal=%x, afc=%x\n",
- t->signal, t->afc);
- return 0;
- }
+ /* No way to get signal strength? */
+ down(&dev->lock);
+ em28xx_i2c_call_clients(dev, DECODER_GET_STATUS,
+ &status);
+ up(&dev->lock);
+ t->signal =
+ (status & DECODER_STATUS_GOOD) != 0 ? 0xffff : 0;
+
+ em28xx_videodbg("VIDIO_S_TUNER: signal=%x, afc=%x\n",
+ t->signal, t->afc);
+ return 0;
+ }
case VIDIOC_G_FREQUENCY:
- {
- struct v4l2_frequency *f = arg;
+ {
+ struct v4l2_frequency *f = arg;
- memset(f, 0, sizeof(*f));
- f->type = V4L2_TUNER_ANALOG_TV;
- f->frequency = dev->ctl_freq;
+ memset(f, 0, sizeof(*f));
+ f->type = V4L2_TUNER_ANALOG_TV;
+ f->frequency = dev->ctl_freq;
- return 0;
- }
+ return 0;
+ }
case VIDIOC_S_FREQUENCY:
- {
- struct v4l2_frequency *f = arg;
-
- if (0 != f->tuner)
- return -EINVAL;
+ {
+ struct v4l2_frequency *f = arg;
- if (V4L2_TUNER_ANALOG_TV != f->type)
- return -EINVAL;
+ if (0 != f->tuner)
+ return -EINVAL;
- down(&dev->lock);
- dev->ctl_freq = f->frequency;
- em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f);
- up(&dev->lock);
- return 0;
- }
+ if (V4L2_TUNER_ANALOG_TV != f->type)
+ return -EINVAL;
+ down(&dev->lock);
+ dev->ctl_freq = f->frequency;
+ em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f);
+ up(&dev->lock);
+ return 0;
+ }
case VIDIOC_CROPCAP:
- {
- struct v4l2_cropcap *cc = arg;
+ {
+ struct v4l2_cropcap *cc = arg;
- if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
- cc->bounds.left = 0;
- cc->bounds.top = 0;
- cc->bounds.width = dev->width;
- cc->bounds.height = dev->height;
- cc->defrect = cc->bounds;
- cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */
- cc->pixelaspect.denominator = 59;
- return 0;
- }
+ if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+ cc->bounds.left = 0;
+ cc->bounds.top = 0;
+ cc->bounds.width = dev->width;
+ cc->bounds.height = dev->height;
+ cc->defrect = cc->bounds;
+ cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */
+ cc->pixelaspect.denominator = 59;
+ return 0;
+ }
case VIDIOC_STREAMON:
- {
- int *type = arg;
+ {
+ int *type = arg;
- if (*type != V4L2_BUF_TYPE_VIDEO_CAPTURE
- || dev->io != IO_MMAP)
- return -EINVAL;
+ if (*type != V4L2_BUF_TYPE_VIDEO_CAPTURE
+ || dev->io != IO_MMAP)
+ return -EINVAL;
- if (list_empty(&dev->inqueue))
- return -EINVAL;
+ if (list_empty(&dev->inqueue))
+ return -EINVAL;
- dev->stream = STREAM_ON; /* FIXME: Start video capture here? */
+ dev->stream = STREAM_ON; /* FIXME: Start video capture here? */
- em28xx_videodbg("VIDIOC_STREAMON: starting stream\n");
+ em28xx_videodbg("VIDIOC_STREAMON: starting stream\n");
- return 0;
- }
+ return 0;
+ }
case VIDIOC_STREAMOFF:
- {
- int *type = arg;
- int ret;
-
- if (*type != V4L2_BUF_TYPE_VIDEO_CAPTURE
- || dev->io != IO_MMAP)
- return -EINVAL;
+ {
+ int *type = arg;
+ int ret;
- if (dev->stream == STREAM_ON) {
- em28xx_videodbg ("VIDIOC_STREAMOFF: interrupting stream\n");
- if ((ret = em28xx_stream_interrupt(dev)))
- return ret;
- }
- em28xx_empty_framequeues(dev);
+ if (*type != V4L2_BUF_TYPE_VIDEO_CAPTURE
+ || dev->io != IO_MMAP)
+ return -EINVAL;
- return 0;
+ if (dev->stream == STREAM_ON) {
+ em28xx_videodbg ("VIDIOC_STREAMOFF: interrupting stream\n");
+ if ((ret = em28xx_stream_interrupt(dev)))
+ return ret;
}
+ em28xx_empty_framequeues(dev);
+
+ return 0;
+ }
default:
return v4l_compat_translate_ioctl(inode, filp, cmd, arg,
driver_ioctl);
/* --- capabilities ------------------------------------------ */
case VIDIOC_QUERYCAP:
{
- struct v4l2_capability *cap = arg;
-
- memset(cap, 0, sizeof(*cap));
- strlcpy(cap->driver, "em28xx", sizeof(cap->driver));
- strlcpy(cap->card, em28xx_boards[dev->model].name,
- sizeof(cap->card));
- strlcpy(cap->bus_info, dev->udev->dev.bus_id,
- sizeof(cap->bus_info));
- cap->version = EM28XX_VERSION_CODE;
- cap->capabilities =
- V4L2_CAP_SLICED_VBI_CAPTURE |
- V4L2_CAP_VIDEO_CAPTURE |
- V4L2_CAP_AUDIO |
- V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
- if (dev->has_tuner)
- cap->capabilities |= V4L2_CAP_TUNER;
- return 0;
- }
-
- /* --- capture ioctls ---------------------------------------- */
+ struct v4l2_capability *cap = arg;
+
+ memset(cap, 0, sizeof(*cap));
+ strlcpy(cap->driver, "em28xx", sizeof(cap->driver));
+ strlcpy(cap->card, em28xx_boards[dev->model].name,
+ sizeof(cap->card));
+ strlcpy(cap->bus_info, dev->udev->dev.bus_id,
+ sizeof(cap->bus_info));
+ cap->version = EM28XX_VERSION_CODE;
+ cap->capabilities =
+ V4L2_CAP_SLICED_VBI_CAPTURE |
+ V4L2_CAP_VIDEO_CAPTURE |
+ V4L2_CAP_AUDIO |
+ V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
+ if (dev->has_tuner)
+ cap->capabilities |= V4L2_CAP_TUNER;
+ return 0;
+ }
+ /* --- capture ioctls ---------------------------------------- */
case VIDIOC_ENUM_FMT:
- {
- struct v4l2_fmtdesc *fmtd = arg;
-
- if (fmtd->index != 0)
- return -EINVAL;
- memset(fmtd, 0, sizeof(*fmtd));
- fmtd->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- strcpy(fmtd->description, "Packed YUY2");
- fmtd->pixelformat = V4L2_PIX_FMT_YUYV;
- memset(fmtd->reserved, 0, sizeof(fmtd->reserved));
- return 0;
- }
+ {
+ struct v4l2_fmtdesc *fmtd = arg;
+ if (fmtd->index != 0)
+ return -EINVAL;
+ memset(fmtd, 0, sizeof(*fmtd));
+ fmtd->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ strcpy(fmtd->description, "Packed YUY2");
+ fmtd->pixelformat = V4L2_PIX_FMT_YUYV;
+ memset(fmtd->reserved, 0, sizeof(fmtd->reserved));
+ return 0;
+ }
case VIDIOC_G_FMT:
return em28xx_get_fmt(dev, (struct v4l2_format *) arg);
return em28xx_set_fmt(dev, cmd, (struct v4l2_format *)arg);
case VIDIOC_REQBUFS:
- {
- struct v4l2_requestbuffers *rb = arg;
- u32 i;
- int ret;
-
- if (rb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
- rb->memory != V4L2_MEMORY_MMAP)
- return -EINVAL;
+ {
+ struct v4l2_requestbuffers *rb = arg;
+ u32 i;
+ int ret;
- if (dev->io == IO_READ) {
- em28xx_videodbg ("method is set to read;"
- " close and open the device again to"
- " choose the mmap I/O method\n");
- return -EINVAL;
- }
+ if (rb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
+ rb->memory != V4L2_MEMORY_MMAP)
+ return -EINVAL;
- for (i = 0; i < dev->num_frames; i++)
- if (dev->frame[i].vma_use_count) {
- em28xx_videodbg ("VIDIOC_REQBUFS failed; previous buffers are still mapped\n");
- return -EINVAL;
- }
+ if (dev->io == IO_READ) {
+ em28xx_videodbg ("method is set to read;"
+ " close and open the device again to"
+ " choose the mmap I/O method\n");
+ return -EINVAL;
+ }
- if (dev->stream == STREAM_ON) {
- em28xx_videodbg("VIDIOC_REQBUFS: interrupting stream\n");
- if ((ret = em28xx_stream_interrupt(dev)))
- return ret;
+ for (i = 0; i < dev->num_frames; i++)
+ if (dev->frame[i].vma_use_count) {
+ em28xx_videodbg ("VIDIOC_REQBUFS failed; previous buffers are still mapped\n");
+ return -EINVAL;
}
- em28xx_empty_framequeues(dev);
+ if (dev->stream == STREAM_ON) {
+ em28xx_videodbg("VIDIOC_REQBUFS: interrupting stream\n");
+ if ((ret = em28xx_stream_interrupt(dev)))
+ return ret;
+ }
- em28xx_release_buffers(dev);
- if (rb->count)
- rb->count =
- em28xx_request_buffers(dev, rb->count);
+ em28xx_empty_framequeues(dev);
- dev->frame_current = NULL;
+ em28xx_release_buffers(dev);
+ if (rb->count)
+ rb->count =
+ em28xx_request_buffers(dev, rb->count);
- em28xx_videodbg ("VIDIOC_REQBUFS: setting io method to mmap: num bufs %i\n",
- rb->count);
- dev->io = rb->count ? IO_MMAP : IO_NONE;
- return 0;
- }
+ dev->frame_current = NULL;
+ em28xx_videodbg ("VIDIOC_REQBUFS: setting io method to mmap: num bufs %i\n",
+ rb->count);
+ dev->io = rb->count ? IO_MMAP : IO_NONE;
+ return 0;
+ }
case VIDIOC_QUERYBUF:
- {
- struct v4l2_buffer *b = arg;
+ {
+ struct v4l2_buffer *b = arg;
- if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
- b->index >= dev->num_frames || dev->io != IO_MMAP)
- return -EINVAL;
+ if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
+ b->index >= dev->num_frames || dev->io != IO_MMAP)
+ return -EINVAL;
- memcpy(b, &dev->frame[b->index].buf, sizeof(*b));
+ memcpy(b, &dev->frame[b->index].buf, sizeof(*b));
- if (dev->frame[b->index].vma_use_count) {
- b->flags |= V4L2_BUF_FLAG_MAPPED;
- }
- if (dev->frame[b->index].state == F_DONE)
- b->flags |= V4L2_BUF_FLAG_DONE;
- else if (dev->frame[b->index].state != F_UNUSED)
- b->flags |= V4L2_BUF_FLAG_QUEUED;
- return 0;
+ if (dev->frame[b->index].vma_use_count) {
+ b->flags |= V4L2_BUF_FLAG_MAPPED;
}
+ if (dev->frame[b->index].state == F_DONE)
+ b->flags |= V4L2_BUF_FLAG_DONE;
+ else if (dev->frame[b->index].state != F_UNUSED)
+ b->flags |= V4L2_BUF_FLAG_QUEUED;
+ return 0;
+ }
case VIDIOC_QBUF:
- {
- struct v4l2_buffer *b = arg;
- unsigned long lock_flags;
+ {
+ struct v4l2_buffer *b = arg;
+ unsigned long lock_flags;
- if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
- b->index >= dev->num_frames || dev->io != IO_MMAP) {
- return -EINVAL;
- }
+ if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
+ b->index >= dev->num_frames || dev->io != IO_MMAP) {
+ return -EINVAL;
+ }
- if (dev->frame[b->index].state != F_UNUSED) {
- return -EAGAIN;
- }
- dev->frame[b->index].state = F_QUEUED;
+ if (dev->frame[b->index].state != F_UNUSED) {
+ return -EAGAIN;
+ }
+ dev->frame[b->index].state = F_QUEUED;
- /* add frame to fifo */
- spin_lock_irqsave(&dev->queue_lock, lock_flags);
- list_add_tail(&dev->frame[b->index].frame,
- &dev->inqueue);
- spin_unlock_irqrestore(&dev->queue_lock, lock_flags);
+ /* add frame to fifo */
+ spin_lock_irqsave(&dev->queue_lock, lock_flags);
+ list_add_tail(&dev->frame[b->index].frame,
+ &dev->inqueue);
+ spin_unlock_irqrestore(&dev->queue_lock, lock_flags);
- return 0;
- }
+ return 0;
+ }
case VIDIOC_DQBUF:
- {
- struct v4l2_buffer *b = arg;
- struct em28xx_frame_t *f;
- unsigned long lock_flags;
- int ret = 0;
+ {
+ struct v4l2_buffer *b = arg;
+ struct em28xx_frame_t *f;
+ unsigned long lock_flags;
+ int ret = 0;
- if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE
- || dev->io != IO_MMAP)
- return -EINVAL;
+ if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE
+ || dev->io != IO_MMAP)
+ return -EINVAL;
- if (list_empty(&dev->outqueue)) {
- if (dev->stream == STREAM_OFF)
- return -EINVAL;
- if (filp->f_flags & O_NONBLOCK)
- return -EAGAIN;
- ret = wait_event_interruptible
- (dev->wait_frame,
- (!list_empty(&dev->outqueue)) ||
- (dev->state & DEV_DISCONNECTED));
- if (ret)
- return ret;
- if (dev->state & DEV_DISCONNECTED)
- return -ENODEV;
- }
+ if (list_empty(&dev->outqueue)) {
+ if (dev->stream == STREAM_OFF)
+ return -EINVAL;
+ if (filp->f_flags & O_NONBLOCK)
+ return -EAGAIN;
+ ret = wait_event_interruptible
+ (dev->wait_frame,
+ (!list_empty(&dev->outqueue)) ||
+ (dev->state & DEV_DISCONNECTED));
+ if (ret)
+ return ret;
+ if (dev->state & DEV_DISCONNECTED)
+ return -ENODEV;
+ }
- spin_lock_irqsave(&dev->queue_lock, lock_flags);
- f = list_entry(dev->outqueue.next,
- struct em28xx_frame_t, frame);
- list_del(dev->outqueue.next);
- spin_unlock_irqrestore(&dev->queue_lock, lock_flags);
+ spin_lock_irqsave(&dev->queue_lock, lock_flags);
+ f = list_entry(dev->outqueue.next,
+ struct em28xx_frame_t, frame);
+ list_del(dev->outqueue.next);
+ spin_unlock_irqrestore(&dev->queue_lock, lock_flags);
- f->state = F_UNUSED;
- memcpy(b, &f->buf, sizeof(*b));
+ f->state = F_UNUSED;
+ memcpy(b, &f->buf, sizeof(*b));
- if (f->vma_use_count)
- b->flags |= V4L2_BUF_FLAG_MAPPED;
+ if (f->vma_use_count)
+ b->flags |= V4L2_BUF_FLAG_MAPPED;
- return 0;
- }
+ return 0;
+ }
default:
return em28xx_do_ioctl(inode, filp, dev, cmd, arg,
em28xx_video_do_ioctl);
projects / linux-2.6-omap-h63xx.git / commitdiff