"Sascha Sommer <saschasommer@freenet.de>"
#define DRIVER_DESC "Empia em28xx based USB video device driver"
-#define EM28XX_VERSION_CODE KERNEL_VERSION(0, 1, 1)
+#define EM28XX_VERSION_CODE KERNEL_VERSION(0, 1, 2)
#define em28xx_videodbg(fmt, arg...) do {\
if (video_debug) \
/* supported video standards */
static struct em28xx_fmt format[] = {
{
- .name = "16bpp YUY2, 4:2:2, packed",
+ .name = "16 bpp YUY2, 4:2:2, packed",
.fourcc = V4L2_PIX_FMT_YUYV,
.depth = 16,
.reg = EM28XX_OUTFMT_YUV422_Y0UY1V,
+ }, {
+ .name = "16 bpp RGB 565, LE",
+ .fourcc = V4L2_PIX_FMT_RGB565,
+ .depth = 16,
+ .reg = EM28XX_OUTFMT_RGB_16_656,
+ }, {
+ .name = "8 bpp Bayer BGBG..GRGR",
+ .fourcc = V4L2_PIX_FMT_SBGGR8,
+ .depth = 8,
+ .reg = EM28XX_OUTFMT_RGB_8_BGBG,
+ }, {
+ .name = "8 bpp Bayer GRGR..BGBG",
+ .fourcc = V4L2_PIX_FMT_SGRBG8,
+ .depth = 8,
+ .reg = EM28XX_OUTFMT_RGB_8_GRGR,
+ }, {
+ .name = "8 bpp Bayer GBGB..RGRG",
+ .fourcc = V4L2_PIX_FMT_SGBRG8,
+ .depth = 8,
+ .reg = EM28XX_OUTFMT_RGB_8_GBGB,
+ }, {
+ .name = "12 bpp YUV411",
+ .fourcc = V4L2_PIX_FMT_YUV411P,
+ .depth = 12,
+ .reg = EM28XX_OUTFMT_YUV411,
},
};
/* supported controls */
/* Common to all boards */
-static struct v4l2_queryctrl em28xx_qctrl[] = {
+static struct v4l2_queryctrl ac97_qctrl[] = {
{
.id = V4L2_CID_AUDIO_VOLUME,
.type = V4L2_CTRL_TYPE_INTEGER,
.maximum = 0x1f,
.step = 0x1,
.default_value = 0x1f,
- .flags = 0,
+ .flags = V4L2_CTRL_FLAG_SLIDER,
}, {
.id = V4L2_CID_AUDIO_MUTE,
.type = V4L2_CTRL_TYPE_BOOLEAN,
buf->vb.field_count++;
do_gettimeofday(&buf->vb.ts);
- dev->isoc_ctl.buf = NULL;
+ dev->isoc_ctl.vid_buf = NULL;
+
+ list_del(&buf->vb.queue);
+ wake_up(&buf->vb.done);
+}
+
+static inline void vbi_buffer_filled(struct em28xx *dev,
+ struct em28xx_dmaqueue *dma_q,
+ struct em28xx_buffer *buf)
+{
+ /* Advice that buffer was filled */
+ em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i);
+
+ buf->vb.state = VIDEOBUF_DONE;
+ buf->vb.field_count++;
+ do_gettimeofday(&buf->vb.ts);
+
+ dev->isoc_ctl.vbi_buf = NULL;
list_del(&buf->vb.queue);
wake_up(&buf->vb.done);
startread = p;
remain = len;
- /* Interlaces frame */
- if (buf->top_field)
+ if (dev->progressive)
fieldstart = outp;
- else
- fieldstart = outp + bytesperline;
+ else {
+ /* Interlaces two half frames */
+ if (buf->top_field)
+ fieldstart = outp;
+ else
+ fieldstart = outp + bytesperline;
+ }
linesdone = dma_q->pos / bytesperline;
currlinedone = dma_q->pos % bytesperline;
- offset = linesdone * bytesperline * 2 + currlinedone;
+
+ if (dev->progressive)
+ offset = linesdone * bytesperline + currlinedone;
+ else
+ offset = linesdone * bytesperline * 2 + currlinedone;
+
startwrite = fieldstart + offset;
lencopy = bytesperline - currlinedone;
lencopy = lencopy > remain ? remain : lencopy;
em28xx_isocdbg("Overflow of %zi bytes past buffer end (1)\n",
((char *)startwrite + lencopy) -
((char *)outp + buf->vb.size));
- lencopy = remain = (char *)outp + buf->vb.size - (char *)startwrite;
+ remain = (char *)outp + buf->vb.size - (char *)startwrite;
+ lencopy = remain;
}
if (lencopy <= 0)
return;
else
lencopy = bytesperline;
- if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) {
- em28xx_isocdbg("Overflow of %zi bytes past buffer end (2)\n",
+ if ((char *)startwrite + lencopy > (char *)outp +
+ buf->vb.size) {
+ em28xx_isocdbg("Overflow of %zi bytes past buffer end"
+ "(2)\n",
((char *)startwrite + lencopy) -
((char *)outp + buf->vb.size));
lencopy = remain = (char *)outp + buf->vb.size -
dma_q->pos += len;
}
+static void em28xx_copy_vbi(struct em28xx *dev,
+ struct em28xx_dmaqueue *dma_q,
+ struct em28xx_buffer *buf,
+ unsigned char *p,
+ unsigned char *outp, unsigned long len)
+{
+ void *startwrite, *startread;
+ int offset;
+ int bytesperline = 720;
+
+ if (dev == NULL) {
+ em28xx_isocdbg("dev is null\n");
+ return;
+ }
+
+ if (dma_q == NULL) {
+ em28xx_isocdbg("dma_q is null\n");
+ return;
+ }
+ if (buf == NULL) {
+ return;
+ }
+ if (p == NULL) {
+ em28xx_isocdbg("p is null\n");
+ return;
+ }
+ if (outp == NULL) {
+ em28xx_isocdbg("outp is null\n");
+ return;
+ }
+
+ if (dma_q->pos + len > buf->vb.size)
+ len = buf->vb.size - dma_q->pos;
+
+ if ((p[0] == 0x33 && p[1] == 0x95) ||
+ (p[0] == 0x88 && p[1] == 0x88)) {
+ /* Header field, advance past it */
+ p += 4;
+ } else {
+ len += 4;
+ }
+
+ startread = p;
+
+ startwrite = outp + dma_q->pos;
+ offset = dma_q->pos;
+
+ /* Make sure the bottom field populates the second half of the frame */
+ if (buf->top_field == 0) {
+ startwrite += bytesperline * 0x0c;
+ offset += bytesperline * 0x0c;
+ }
+
+ memcpy(startwrite, startread, len);
+ dma_q->pos += len;
+}
+
static inline void print_err_status(struct em28xx *dev,
int packet, int status)
{
if (list_empty(&dma_q->active)) {
em28xx_isocdbg("No active queue to serve\n");
- dev->isoc_ctl.buf = NULL;
+ dev->isoc_ctl.vid_buf = NULL;
*buf = NULL;
return;
}
outp = videobuf_to_vmalloc(&(*buf)->vb);
memset(outp, 0, (*buf)->vb.size);
- dev->isoc_ctl.buf = *buf;
+ dev->isoc_ctl.vid_buf = *buf;
+
+ return;
+}
+
+/*
+ * video-buf generic routine to get the next available VBI buffer
+ */
+static inline void vbi_get_next_buf(struct em28xx_dmaqueue *dma_q,
+ struct em28xx_buffer **buf)
+{
+ struct em28xx *dev = container_of(dma_q, struct em28xx, vbiq);
+ char *outp;
+
+ if (list_empty(&dma_q->active)) {
+ em28xx_isocdbg("No active queue to serve\n");
+ dev->isoc_ctl.vbi_buf = NULL;
+ *buf = NULL;
+ return;
+ }
+
+ /* Get the next buffer */
+ *buf = list_entry(dma_q->active.next, struct em28xx_buffer, vb.queue);
+ /* Cleans up buffer - Usefull for testing for frame/URB loss */
+ outp = videobuf_to_vmalloc(&(*buf)->vb);
+ memset(outp, 0x00, (*buf)->vb.size);
+
+ dev->isoc_ctl.vbi_buf = *buf;
return;
}
static inline int em28xx_isoc_copy(struct em28xx *dev, struct urb *urb)
{
struct em28xx_buffer *buf;
- struct em28xx_dmaqueue *dma_q = urb->context;
+ struct em28xx_dmaqueue *dma_q = &dev->vidq;
unsigned char *outp = NULL;
int i, len = 0, rc = 1;
unsigned char *p;
return 0;
}
- buf = dev->isoc_ctl.buf;
+ buf = dev->isoc_ctl.vid_buf;
if (buf != NULL)
outp = videobuf_to_vmalloc(&buf->vb);
}
if (p[0] == 0x22 && p[1] == 0x5a) {
em28xx_isocdbg("Video frame %d, length=%i, %s\n", p[2],
- len, (p[2] & 1)? "odd" : "even");
+ len, (p[2] & 1) ? "odd" : "even");
- if (!(p[2] & 1)) {
+ if (dev->progressive || !(p[2] & 1)) {
if (buf != NULL)
buffer_filled(dev, dma_q, buf);
get_next_buf(dma_q, &buf);
return rc;
}
+/* Version of isoc handler that takes into account a mixture of video and
+ VBI data */
+static inline int em28xx_isoc_copy_vbi(struct em28xx *dev, struct urb *urb)
+{
+ struct em28xx_buffer *buf, *vbi_buf;
+ struct em28xx_dmaqueue *dma_q = &dev->vidq;
+ struct em28xx_dmaqueue *vbi_dma_q = &dev->vbiq;
+ unsigned char *outp = NULL;
+ unsigned char *vbioutp = NULL;
+ int i, len = 0, rc = 1;
+ unsigned char *p;
+ int vbi_size;
+
+ if (!dev)
+ return 0;
+
+ if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED))
+ return 0;
+
+ if (urb->status < 0) {
+ print_err_status(dev, -1, urb->status);
+ if (urb->status == -ENOENT)
+ return 0;
+ }
+
+ buf = dev->isoc_ctl.vid_buf;
+ if (buf != NULL)
+ outp = videobuf_to_vmalloc(&buf->vb);
+
+ vbi_buf = dev->isoc_ctl.vbi_buf;
+ if (vbi_buf != NULL)
+ vbioutp = videobuf_to_vmalloc(&vbi_buf->vb);
+
+ for (i = 0; i < urb->number_of_packets; i++) {
+ int status = urb->iso_frame_desc[i].status;
+
+ if (status < 0) {
+ print_err_status(dev, i, status);
+ if (urb->iso_frame_desc[i].status != -EPROTO)
+ continue;
+ }
+
+ len = urb->iso_frame_desc[i].actual_length - 4;
+
+ if (urb->iso_frame_desc[i].actual_length <= 0) {
+ /* em28xx_isocdbg("packet %d is empty",i); - spammy */
+ continue;
+ }
+ if (urb->iso_frame_desc[i].actual_length >
+ dev->max_pkt_size) {
+ em28xx_isocdbg("packet bigger than packet size");
+ continue;
+ }
+
+ p = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
+
+ /* capture type 0 = vbi start
+ capture type 1 = video start
+ capture type 2 = video in progress */
+ if (p[0] == 0x33 && p[1] == 0x95) {
+ dev->capture_type = 0;
+ dev->vbi_read = 0;
+ em28xx_isocdbg("VBI START HEADER!!!\n");
+ dev->cur_field = p[2];
+ }
+
+ /* FIXME: get rid of hard-coded value */
+ vbi_size = 720 * 0x0c;
+
+ if (dev->capture_type == 0) {
+ if (dev->vbi_read >= vbi_size) {
+ /* We've already read all the VBI data, so
+ treat the rest as video */
+ em28xx_isocdbg("dev->vbi_read > vbi_size\n");
+ } else if ((dev->vbi_read + len) < vbi_size) {
+ /* This entire frame is VBI data */
+ if (dev->vbi_read == 0 &&
+ (!(dev->cur_field & 1))) {
+ /* Brand new frame */
+ if (vbi_buf != NULL)
+ vbi_buffer_filled(dev,
+ vbi_dma_q,
+ vbi_buf);
+ vbi_get_next_buf(vbi_dma_q, &vbi_buf);
+ if (vbi_buf == NULL)
+ vbioutp = NULL;
+ else
+ vbioutp = videobuf_to_vmalloc(
+ &vbi_buf->vb);
+ }
+
+ if (dev->vbi_read == 0) {
+ vbi_dma_q->pos = 0;
+ if (vbi_buf != NULL) {
+ if (dev->cur_field & 1)
+ vbi_buf->top_field = 0;
+ else
+ vbi_buf->top_field = 1;
+ }
+ }
+
+ dev->vbi_read += len;
+ em28xx_copy_vbi(dev, vbi_dma_q, vbi_buf, p,
+ vbioutp, len);
+ } else {
+ /* Some of this frame is VBI data and some is
+ video data */
+ int vbi_data_len = vbi_size - dev->vbi_read;
+ dev->vbi_read += vbi_data_len;
+ em28xx_copy_vbi(dev, vbi_dma_q, vbi_buf, p,
+ vbioutp, vbi_data_len);
+ dev->capture_type = 1;
+ p += vbi_data_len;
+ len -= vbi_data_len;
+ }
+ }
+
+ if (dev->capture_type == 1) {
+ dev->capture_type = 2;
+ em28xx_isocdbg("Video frame %d, length=%i, %s\n", p[2],
+ len, (p[2] & 1) ? "odd" : "even");
+
+ if (dev->progressive || !(dev->cur_field & 1)) {
+ if (buf != NULL)
+ buffer_filled(dev, dma_q, buf);
+ get_next_buf(dma_q, &buf);
+ if (buf == NULL)
+ outp = NULL;
+ else
+ outp = videobuf_to_vmalloc(&buf->vb);
+ }
+ if (buf != NULL) {
+ if (dev->cur_field & 1)
+ buf->top_field = 0;
+ else
+ buf->top_field = 1;
+ }
+
+ dma_q->pos = 0;
+ }
+ if (buf != NULL && dev->capture_type == 2)
+ em28xx_copy_video(dev, dma_q, buf, p, outp, len);
+ }
+ return rc;
+}
+
+
/* ------------------------------------------------------------------
Videobuf operations
------------------------------------------------------------------*/
struct em28xx *dev = fh->dev;
struct v4l2_frequency f;
- *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7) >> 3;
+ *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7)
+ >> 3;
if (0 == *count)
*count = EM28XX_DEF_BUF;
f.frequency = dev->ctl_freq;
f.type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
- em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f);
return 0;
}
VIDEOBUF_ACTIVE, it won't be, though.
*/
spin_lock_irqsave(&dev->slock, flags);
- if (dev->isoc_ctl.buf == buf)
- dev->isoc_ctl.buf = NULL;
+ if (dev->isoc_ctl.vid_buf == buf)
+ dev->isoc_ctl.vid_buf = NULL;
spin_unlock_irqrestore(&dev->slock, flags);
videobuf_vmalloc_free(&buf->vb);
struct em28xx *dev = fh->dev;
int rc = 0, urb_init = 0;
- buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth + 7) >> 3;
+ buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth
+ + 7) >> 3;
if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
return -EINVAL;
urb_init = 1;
if (urb_init) {
- rc = em28xx_init_isoc(dev, EM28XX_NUM_PACKETS,
- EM28XX_NUM_BUFS, dev->max_pkt_size,
- em28xx_isoc_copy);
+ if (em28xx_vbi_supported(dev) == 1)
+ rc = em28xx_init_isoc(dev, EM28XX_NUM_PACKETS,
+ EM28XX_NUM_BUFS,
+ dev->max_pkt_size,
+ em28xx_isoc_copy_vbi);
+ else
+ rc = em28xx_init_isoc(dev, EM28XX_NUM_PACKETS,
+ EM28XX_NUM_BUFS,
+ dev->max_pkt_size,
+ em28xx_isoc_copy);
if (rc < 0)
goto fail;
}
static void
buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
- struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb);
+ struct em28xx_buffer *buf = container_of(vb,
+ struct em28xx_buffer,
+ vb);
struct em28xx_fh *fh = vq->priv_data;
struct em28xx *dev = fh->dev;
struct em28xx_dmaqueue *vidq = &dev->vidq;
static void buffer_release(struct videobuf_queue *vq,
struct videobuf_buffer *vb)
{
- struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb);
+ struct em28xx_buffer *buf = container_of(vb,
+ struct em28xx_buffer,
+ vb);
struct em28xx_fh *fh = vq->priv_data;
struct em28xx *dev = (struct em28xx *)fh->dev;
static void video_mux(struct em28xx *dev, int index)
{
- struct v4l2_routing route;
-
- route.input = INPUT(index)->vmux;
- route.output = 0;
dev->ctl_input = index;
dev->ctl_ainput = INPUT(index)->amux;
dev->ctl_aoutput = INPUT(index)->aout;
if (!dev->ctl_aoutput)
dev->ctl_aoutput = EM28XX_AOUT_MASTER;
- em28xx_i2c_call_clients(dev, VIDIOC_INT_S_VIDEO_ROUTING, &route);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing,
+ INPUT(index)->vmux, 0, 0);
if (dev->board.has_msp34xx) {
if (dev->i2s_speed) {
- em28xx_i2c_call_clients(dev, VIDIOC_INT_I2S_CLOCK_FREQ,
- &dev->i2s_speed);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, audio,
+ s_i2s_clock_freq, dev->i2s_speed);
}
- route.input = dev->ctl_ainput;
- route.output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1);
/* Note: this is msp3400 specific */
- em28xx_i2c_call_clients(dev, VIDIOC_INT_S_AUDIO_ROUTING,
- &route);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing,
+ dev->ctl_ainput, MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0);
+ }
+
+ if (dev->board.adecoder != EM28XX_NOADECODER) {
+ v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing,
+ dev->ctl_ainput, dev->ctl_aoutput, 0);
}
em28xx_audio_analog_set(dev);
}
/* Usage lock check functions */
-static int res_get(struct em28xx_fh *fh)
+static int res_get(struct em28xx_fh *fh, unsigned int bit)
{
struct em28xx *dev = fh->dev;
- int rc = 0;
- /* This instance already has stream_on */
- if (fh->stream_on)
- return rc;
+ if (fh->resources & bit)
+ /* have it already allocated */
+ return 1;
- if (dev->stream_on)
- return -EBUSY;
+ /* is it free? */
+ mutex_lock(&dev->lock);
+ if (dev->resources & bit) {
+ /* no, someone else uses it */
+ mutex_unlock(&dev->lock);
+ return 0;
+ }
+ /* it's free, grab it */
+ fh->resources |= bit;
+ dev->resources |= bit;
+ em28xx_videodbg("res: get %d\n", bit);
+ mutex_unlock(&dev->lock);
+ return 1;
+}
- dev->stream_on = 1;
- fh->stream_on = 1;
- return rc;
+static int res_check(struct em28xx_fh *fh, unsigned int bit)
+{
+ return fh->resources & bit;
}
-static int res_check(struct em28xx_fh *fh)
+static int res_locked(struct em28xx *dev, unsigned int bit)
{
- return (fh->stream_on);
+ return dev->resources & bit;
}
-static void res_free(struct em28xx_fh *fh)
+static void res_free(struct em28xx_fh *fh, unsigned int bits)
{
struct em28xx *dev = fh->dev;
- fh->stream_on = 0;
- dev->stream_on = 0;
+ BUG_ON((fh->resources & bits) != bits);
+
+ mutex_lock(&dev->lock);
+ fh->resources &= ~bits;
+ dev->resources &= ~bits;
+ em28xx_videodbg("res: put %d\n", bits);
+ mutex_unlock(&dev->lock);
+}
+
+static int get_ressource(struct em28xx_fh *fh)
+{
+ switch (fh->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ return EM28XX_RESOURCE_VIDEO;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ return EM28XX_RESOURCE_VBI;
+ default:
+ BUG();
+ return 0;
+ }
}
/*
- * em28xx_get_ctrl()
- * return the current saturation, brightness or contrast, mute state
+ * ac97_queryctrl()
+ * return the ac97 supported controls
*/
-static int em28xx_get_ctrl(struct em28xx *dev, struct v4l2_control *ctrl)
+static int ac97_queryctrl(struct v4l2_queryctrl *qc)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++) {
+ if (qc->id && qc->id == ac97_qctrl[i].id) {
+ memcpy(qc, &(ac97_qctrl[i]), sizeof(*qc));
+ return 0;
+ }
+ }
+
+ /* Control is not ac97 related */
+ return 1;
+}
+
+/*
+ * ac97_get_ctrl()
+ * return the current values for ac97 mute and volume
+ */
+static int ac97_get_ctrl(struct em28xx *dev, struct v4l2_control *ctrl)
{
switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE:
ctrl->value = dev->volume;
return 0;
default:
- return -EINVAL;
+ /* Control is not ac97 related */
+ return 1;
}
}
/*
- * em28xx_set_ctrl()
- * mute or set new saturation, brightness or contrast
+ * ac97_set_ctrl()
+ * set values for ac97 mute and volume
*/
-static int em28xx_set_ctrl(struct em28xx *dev, const struct v4l2_control *ctrl)
+static int ac97_set_ctrl(struct em28xx *dev, const struct v4l2_control *ctrl)
{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++)
+ if (ctrl->id == ac97_qctrl[i].id)
+ goto handle;
+
+ /* Announce that hasn't handle it */
+ return 1;
+
+handle:
+ if (ctrl->value < ac97_qctrl[i].minimum ||
+ ctrl->value > ac97_qctrl[i].maximum)
+ return -ERANGE;
+
switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE:
- if (ctrl->value != dev->mute) {
- dev->mute = ctrl->value;
- return em28xx_audio_analog_set(dev);
- }
- return 0;
+ dev->mute = ctrl->value;
+ break;
case V4L2_CID_AUDIO_VOLUME:
dev->volume = ctrl->value;
- return em28xx_audio_analog_set(dev);
- default:
- return -EINVAL;
+ break;
}
+
+ return em28xx_audio_analog_set(dev);
}
static int check_dev(struct em28xx *dev)
unsigned int width, unsigned int height,
unsigned int *hscale, unsigned int *vscale)
{
- unsigned int maxw = norm_maxw(dev);
- unsigned int maxh = norm_maxh(dev);
+ unsigned int maxw = norm_maxw(dev);
+ unsigned int maxh = norm_maxh(dev);
*hscale = (((unsigned long)maxw) << 12) / width - 4096L;
if (*hscale >= 0x4000)
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
/* FIXME: TOP? NONE? BOTTOM? ALTENATE? */
- f->fmt.pix.field = dev->interlaced ?
+ if (dev->progressive)
+ f->fmt.pix.field = V4L2_FIELD_NONE;
+ else
+ f->fmt.pix.field = dev->interlaced ?
V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP;
mutex_unlock(&dev->lock);
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
- int width = f->fmt.pix.width;
- int height = f->fmt.pix.height;
+ unsigned int width = f->fmt.pix.width;
+ unsigned int height = f->fmt.pix.height;
unsigned int maxw = norm_maxw(dev);
unsigned int maxh = norm_maxh(dev);
unsigned int hscale, vscale;
return -EINVAL;
}
- /* width must even because of the YUYV format
- height must be even because of interlacing */
- height &= 0xfffe;
- width &= 0xfffe;
-
- if (unlikely(height < 32))
- height = 32;
- if (unlikely(height > maxh))
- height = maxh;
- if (unlikely(width < 48))
- width = 48;
- if (unlikely(width > maxw))
- width = maxw;
-
if (dev->board.is_em2800) {
/* the em2800 can only scale down to 50% */
- if (height % (maxh / 2))
- height = maxh;
- if (width % (maxw / 2))
- width = maxw;
- /* according to empiatech support */
- /* the MaxPacketSize is to small to support */
- /* framesizes larger than 640x480 @ 30 fps */
- /* or 640x576 @ 25 fps. As this would cut */
- /* of a part of the image we prefer */
- /* 360x576 or 360x480 for now */
+ height = height > (3 * maxh / 4) ? maxh : maxh / 2;
+ width = width > (3 * maxw / 4) ? maxw : maxw / 2;
+ /* According to empiatech support the MaxPacketSize is too small
+ * to support framesizes larger than 640x480 @ 30 fps or 640x576
+ * @ 25 fps. As this would cut of a part of the image we prefer
+ * 360x576 or 360x480 for now */
if (width == maxw && height == maxh)
width /= 2;
+ } else {
+ /* width must even because of the YUYV format
+ height must be even because of interlacing */
+ v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh,
+ 1, 0);
}
get_scale(dev, width, height, &hscale, &vscale);
f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3;
f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
- f->fmt.pix.field = V4L2_FIELD_INTERLACED;
+ if (dev->progressive)
+ f->fmt.pix.field = V4L2_FIELD_NONE;
+ else
+ f->fmt.pix.field = dev->interlaced ?
+ V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP;
+
+ return 0;
+}
+
+static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc,
+ unsigned width, unsigned height)
+{
+ struct em28xx_fmt *fmt;
+
+ fmt = format_by_fourcc(fourcc);
+ if (!fmt)
+ return -EINVAL;
+
+ dev->format = fmt;
+ dev->width = width;
+ dev->height = height;
+
+ /* set new image size */
+ get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale);
+
+ em28xx_set_alternate(dev);
+ em28xx_resolution_set(dev);
return 0;
}
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
int rc;
- struct em28xx_fmt *fmt;
rc = check_dev(dev);
if (rc < 0)
vidioc_try_fmt_vid_cap(file, priv, f);
- fmt = format_by_fourcc(f->fmt.pix.pixelformat);
- if (!fmt) {
- rc = -EINVAL;
- goto out;
- }
-
if (videobuf_queue_is_busy(&fh->vb_vidq)) {
em28xx_errdev("%s queue busy\n", __func__);
rc = -EBUSY;
goto out;
}
- if (dev->stream_on && !fh->stream_on) {
- em28xx_errdev("%s device in use by another fh\n", __func__);
- rc = -EBUSY;
- goto out;
- }
-
- /* set new image size */
- dev->width = f->fmt.pix.width;
- dev->height = f->fmt.pix.height;
- dev->format = fmt;
- get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale);
-
- em28xx_set_alternate(dev);
- em28xx_resolution_set(dev);
-
- rc = 0;
+ rc = em28xx_set_video_format(dev, f->fmt.pix.pixelformat,
+ f->fmt.pix.width, f->fmt.pix.height);
out:
mutex_unlock(&dev->lock);
return rc;
}
-static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id * norm)
+static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ int rc;
+
+ rc = check_dev(dev);
+ if (rc < 0)
+ return rc;
+
+ *norm = dev->norm;
+
+ return 0;
+}
+
+static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale);
em28xx_resolution_set(dev);
- em28xx_i2c_call_clients(dev, VIDIOC_S_STD, &dev->norm);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm);
mutex_unlock(&dev->lock);
return 0;
}
+static int vidioc_g_parm(struct file *file, void *priv,
+ struct v4l2_streamparm *p)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ int rc = 0;
+
+ if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+
+ if (dev->board.is_webcam)
+ rc = v4l2_device_call_until_err(&dev->v4l2_dev, 0,
+ video, g_parm, p);
+ else
+ v4l2_video_std_frame_period(dev->norm,
+ &p->parm.capture.timeperframe);
+
+ return rc;
+}
+
+static int vidioc_s_parm(struct file *file, void *priv,
+ struct v4l2_streamparm *p)
+{
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+
+ if (!dev->board.is_webcam)
+ return -EINVAL;
+
+ if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+
+ return v4l2_device_call_until_err(&dev->v4l2_dev, 0, video, s_parm, p);
+}
+
static const char *iname[] = {
[EM28XX_VMUX_COMPOSITE1] = "Composite1",
[EM28XX_VMUX_COMPOSITE2] = "Composite2",
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
+ if (!dev->audio_mode.has_audio)
+ return -EINVAL;
+
switch (a->index) {
case EM28XX_AMUX_VIDEO:
strcpy(a->name, "Television");
struct em28xx *dev = fh->dev;
+ if (!dev->audio_mode.has_audio)
+ return -EINVAL;
+
if (a->index >= MAX_EM28XX_INPUT)
return -EINVAL;
if (0 == INPUT(a->index)->type)
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
int id = qc->id;
- int i;
int rc;
rc = check_dev(dev);
qc->id = id;
- if (!dev->board.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;
- }
- }
+ /* enumberate AC97 controls */
+ if (dev->audio_mode.ac97 != EM28XX_NO_AC97) {
+ rc = ac97_queryctrl(qc);
+ if (!rc)
+ return 0;
}
+
+ /* enumberate V4L2 device controls */
mutex_lock(&dev->lock);
- em28xx_i2c_call_clients(dev, VIDIOC_QUERYCTRL, qc);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, queryctrl, qc);
mutex_unlock(&dev->lock);
if (qc->type)
mutex_lock(&dev->lock);
- if (dev->board.has_msp34xx)
- em28xx_i2c_call_clients(dev, VIDIOC_G_CTRL, ctrl);
+ /* Set an AC97 control */
+ if (dev->audio_mode.ac97 != EM28XX_NO_AC97)
+ rc = ac97_get_ctrl(dev, ctrl);
else
- rc = em28xx_get_ctrl(dev, ctrl);
+ rc = 1;
+
+ /* It were not an AC97 control. Sends it to the v4l2 dev interface */
+ if (rc == 1) {
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_ctrl, ctrl);
+ rc = 0;
+ }
mutex_unlock(&dev->lock);
return rc;
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
- u8 i;
int rc;
rc = check_dev(dev);
mutex_lock(&dev->lock);
- if (dev->board.has_msp34xx)
- em28xx_i2c_call_clients(dev, VIDIOC_S_CTRL, ctrl);
- else {
+ /* Set an AC97 control */
+ if (dev->audio_mode.ac97 != EM28XX_NO_AC97)
+ rc = ac97_set_ctrl(dev, ctrl);
+ else
rc = 1;
- 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) {
- rc = -ERANGE;
- break;
- }
- rc = em28xx_set_ctrl(dev, ctrl);
- break;
- }
- }
- }
-
- /* Control not found - try to send it to the attached devices */
+ /* It isn't an AC97 control. Sends it to the v4l2 dev interface */
if (rc == 1) {
- em28xx_i2c_call_clients(dev, VIDIOC_S_CTRL, ctrl);
- rc = 0;
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_ctrl, ctrl);
+
+ /*
+ * In the case of non-AC97 volume controls, we still need
+ * to do some setups at em28xx, in order to mute/unmute
+ * and to adjust audio volume. However, the value ranges
+ * should be checked by the corresponding V4L subdriver.
+ */
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ dev->mute = ctrl->value;
+ rc = em28xx_audio_analog_set(dev);
+ break;
+ case V4L2_CID_AUDIO_VOLUME:
+ dev->volume = ctrl->value;
+ rc = em28xx_audio_analog_set(dev);
+ }
}
mutex_unlock(&dev->lock);
strcpy(t->name, "Tuner");
mutex_lock(&dev->lock);
-
- em28xx_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
-
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t);
mutex_unlock(&dev->lock);
+
return 0;
}
return -EINVAL;
mutex_lock(&dev->lock);
-
- em28xx_i2c_call_clients(dev, VIDIOC_S_TUNER, t);
-
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t);
mutex_unlock(&dev->lock);
+
return 0;
}
mutex_lock(&dev->lock);
dev->ctl_freq = f->frequency;
- em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f);
mutex_unlock(&dev->lock);
chip->ident = V4L2_IDENT_NONE;
chip->revision = 0;
- em28xx_i2c_call_clients(dev, VIDIOC_DBG_G_CHIP_IDENT, chip);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip);
return 0;
}
reg->size = 1;
return 0;
case V4L2_CHIP_MATCH_I2C_DRIVER:
- em28xx_i2c_call_clients(dev, VIDIOC_DBG_G_REGISTER, reg);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg);
return 0;
case V4L2_CHIP_MATCH_I2C_ADDR:
- /* Not supported yet */
- return -EINVAL;
+ /* TODO: is this correct? */
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg);
+ return 0;
default:
if (!v4l2_chip_match_host(®->match))
return -EINVAL;
return rc;
case V4L2_CHIP_MATCH_I2C_DRIVER:
- em28xx_i2c_call_clients(dev, VIDIOC_DBG_S_REGISTER, reg);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg);
return 0;
case V4L2_CHIP_MATCH_I2C_ADDR:
- /* Not supported yet */
- return -EINVAL;
+ /* TODO: is this correct? */
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg);
+ return 0;
default:
if (!v4l2_chip_match_host(®->match))
return -EINVAL;
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
- int rc;
+ int rc = -EINVAL;
rc = check_dev(dev);
if (rc < 0)
return rc;
+ if (unlikely(type != fh->type))
+ return -EINVAL;
- mutex_lock(&dev->lock);
- rc = res_get(fh);
+ em28xx_videodbg("vidioc_streamon fh=%p t=%d fh->res=%d dev->res=%d\n",
+ fh, type, fh->resources, dev->resources);
- if (likely(rc >= 0))
- rc = videobuf_streamon(&fh->vb_vidq);
+ if (unlikely(!res_get(fh, get_ressource(fh))))
+ return -EBUSY;
- mutex_unlock(&dev->lock);
+ if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ rc = videobuf_streamon(&fh->vb_vidq);
+ else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
+ rc = videobuf_streamon(&fh->vb_vbiq);
return rc;
}
if (rc < 0)
return rc;
- if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+ fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)
return -EINVAL;
if (type != fh->type)
return -EINVAL;
- mutex_lock(&dev->lock);
-
- videobuf_streamoff(&fh->vb_vidq);
- res_free(fh);
+ em28xx_videodbg("vidioc_streamoff fh=%p t=%d fh->res=%d dev->res=%d\n",
+ fh, type, fh->resources, dev->resources);
- mutex_unlock(&dev->lock);
+ if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+ videobuf_streamoff(&fh->vb_vidq);
+ res_free(fh, EM28XX_RESOURCE_VIDEO);
+ } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
+ videobuf_streamoff(&fh->vb_vbiq);
+ res_free(fh, EM28XX_RESOURCE_VBI);
+ }
return 0;
}
strlcpy(cap->driver, "em28xx", sizeof(cap->driver));
strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card));
- strlcpy(cap->bus_info, dev_name(&dev->udev->dev), sizeof(cap->bus_info));
+ usb_make_path(dev->udev, cap->bus_info, 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->vbi_dev)
+ cap->capabilities |= V4L2_CAP_VBI_CAPTURE;
+
+ if (dev->audio_mode.has_audio)
+ cap->capabilities |= V4L2_CAP_AUDIO;
+
if (dev->tuner_type != TUNER_ABSENT)
cap->capabilities |= V4L2_CAP_TUNER;
mutex_lock(&dev->lock);
f->fmt.sliced.service_set = 0;
-
- em28xx_i2c_call_clients(dev, VIDIOC_G_FMT, f);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, video, g_fmt, f);
if (f->fmt.sliced.service_set == 0)
rc = -EINVAL;
mutex_unlock(&dev->lock);
+
return rc;
}
return rc;
mutex_lock(&dev->lock);
- em28xx_i2c_call_clients(dev, VIDIOC_G_FMT, f);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, video, g_fmt, f);
mutex_unlock(&dev->lock);
if (f->fmt.sliced.service_set == 0)
return 0;
}
+/* RAW VBI ioctls */
+
+static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
+ struct v4l2_format *format)
+{
+ format->fmt.vbi.samples_per_line = 720;
+ format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
+ format->fmt.vbi.offset = 0;
+ format->fmt.vbi.flags = 0;
+
+ /* Varies by video standard (NTSC, PAL, etc.) */
+ /* FIXME: hard-coded for NTSC support */
+ format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; /* FIXME: ??? */
+ format->fmt.vbi.count[0] = 12;
+ format->fmt.vbi.count[1] = 12;
+ format->fmt.vbi.start[0] = 10;
+ format->fmt.vbi.start[1] = 273;
+
+ return 0;
+}
+
+static int vidioc_s_fmt_vbi_cap(struct file *file, void *priv,
+ struct v4l2_format *format)
+{
+ format->fmt.vbi.samples_per_line = 720;
+ format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
+ format->fmt.vbi.offset = 0;
+ format->fmt.vbi.flags = 0;
+
+ /* Varies by video standard (NTSC, PAL, etc.) */
+ /* FIXME: hard-coded for NTSC support */
+ format->fmt.vbi.sampling_rate = 6750000 * 4 / 2; /* FIXME: ??? */
+ format->fmt.vbi.count[0] = 12;
+ format->fmt.vbi.count[1] = 12;
+ format->fmt.vbi.start[0] = 10;
+ format->fmt.vbi.start[1] = 273;
+
+ return 0;
+}
static int vidioc_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *rb)
if (rc < 0)
return rc;
- return (videobuf_reqbufs(&fh->vb_vidq, rb));
+ if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return videobuf_reqbufs(&fh->vb_vidq, rb);
+ else
+ return videobuf_reqbufs(&fh->vb_vbiq, rb);
}
static int vidioc_querybuf(struct file *file, void *priv,
if (rc < 0)
return rc;
- return (videobuf_querybuf(&fh->vb_vidq, b));
+ if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return videobuf_querybuf(&fh->vb_vidq, b);
+ else {
+ /* FIXME: I'm not sure yet whether this is a bug in zvbi or
+ the videobuf framework, but we probably shouldn't be
+ returning a buffer larger than that which was asked for.
+ At a minimum, it causes a crash in zvbi since it does
+ a memcpy based on the source buffer length */
+ int result = videobuf_querybuf(&fh->vb_vbiq, b);
+ b->length = 17280;
+ return result;
+ }
}
static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
if (rc < 0)
return rc;
- return (videobuf_qbuf(&fh->vb_vidq, b));
+ if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return videobuf_qbuf(&fh->vb_vidq, b);
+ else
+ return videobuf_qbuf(&fh->vb_vbiq, b);
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
if (rc < 0)
return rc;
- return (videobuf_dqbuf(&fh->vb_vidq, b,
- file->f_flags & O_NONBLOCK));
+ if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags &
+ O_NONBLOCK);
+ else
+ return videobuf_dqbuf(&fh->vb_vbiq, b, file->f_flags &
+ O_NONBLOCK);
}
#ifdef CONFIG_VIDEO_V4L1_COMPAT
{
struct em28xx_fh *fh = priv;
- return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8);
+ if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8);
+ else
+ return videobuf_cgmbuf(&fh->vb_vbiq, mbuf, 8);
}
#endif
strlcpy(cap->driver, "em28xx", sizeof(cap->driver));
strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card));
- strlcpy(cap->bus_info, dev_name(&dev->udev->dev), sizeof(cap->bus_info));
+ usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
cap->version = EM28XX_VERSION_CODE;
cap->capabilities = V4L2_CAP_TUNER;
t->type = V4L2_TUNER_RADIO;
mutex_lock(&dev->lock);
- em28xx_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t);
mutex_unlock(&dev->lock);
return 0;
return -EINVAL;
mutex_lock(&dev->lock);
- em28xx_i2c_call_clients(dev, VIDIOC_S_TUNER, t);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t);
mutex_unlock(&dev->lock);
return 0;
qc->id >= V4L2_CID_LASTP1)
return -EINVAL;
- 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));
+ for (i = 0; i < ARRAY_SIZE(ac97_qctrl); i++) {
+ if (qc->id && qc->id == ac97_qctrl[i].id) {
+ memcpy(qc, &(ac97_qctrl[i]), sizeof(*qc));
return 0;
}
}
struct em28xx *dev;
enum v4l2_buf_type fh_type;
struct em28xx_fh *fh;
+ enum v4l2_field field;
dev = em28xx_get_device(minor, &fh_type, &radio);
filp->private_data = fh;
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) {
- dev->width = norm_maxw(dev);
- dev->height = norm_maxh(dev);
- dev->hscale = 0;
- dev->vscale = 0;
-
em28xx_set_mode(dev, EM28XX_ANALOG_MODE);
em28xx_set_alternate(dev);
em28xx_resolution_set(dev);
}
if (fh->radio) {
em28xx_videodbg("video_open: setting radio device\n");
- em28xx_i2c_call_clients(dev, AUDC_SET_RADIO, NULL);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_radio);
}
dev->users++;
+ if (dev->progressive)
+ field = V4L2_FIELD_NONE;
+ else
+ field = V4L2_FIELD_INTERLACED;
+
videobuf_queue_vmalloc_init(&fh->vb_vidq, &em28xx_video_qops,
- NULL, &dev->slock, fh->type, V4L2_FIELD_INTERLACED,
- sizeof(struct em28xx_buffer), fh);
+ NULL, &dev->slock,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE, field,
+ sizeof(struct em28xx_buffer), fh);
+
+ videobuf_queue_vmalloc_init(&fh->vb_vbiq, &em28xx_vbi_qops,
+ NULL, &dev->slock,
+ V4L2_BUF_TYPE_VBI_CAPTURE,
+ V4L2_FIELD_SEQ_TB,
+ sizeof(struct em28xx_buffer), fh);
mutex_unlock(&dev->lock);
em28xx_videodbg("users=%d\n", dev->users);
+ if (res_check(fh, EM28XX_RESOURCE_VIDEO)) {
+ videobuf_stop(&fh->vb_vidq);
+ res_free(fh, EM28XX_RESOURCE_VIDEO);
+ }
- mutex_lock(&dev->lock);
- if (res_check(fh))
- res_free(fh);
+ if (res_check(fh, EM28XX_RESOURCE_VBI)) {
+ videobuf_stop(&fh->vb_vbiq);
+ res_free(fh, EM28XX_RESOURCE_VBI);
+ }
if (dev->users == 1) {
- videobuf_stop(&fh->vb_vidq);
- videobuf_mmap_free(&fh->vb_vidq);
-
/* the device is already disconnect,
free the remaining resources */
if (dev->state & DEV_DISCONNECTED) {
em28xx_release_resources(dev);
- mutex_unlock(&dev->lock);
kfree(dev);
return 0;
}
/* Save some power by putting tuner to sleep */
- em28xx_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_standby);
/* do this before setting alternate! */
em28xx_uninit_isoc(dev);
"0 (error=%i)\n", errCode);
}
}
+
+ videobuf_mmap_free(&fh->vb_vidq);
+ videobuf_mmap_free(&fh->vb_vbiq);
kfree(fh);
dev->users--;
wake_up_interruptible_nr(&dev->open, 1);
- mutex_unlock(&dev->lock);
return 0;
}
*/
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- mutex_lock(&dev->lock);
- rc = res_get(fh);
- mutex_unlock(&dev->lock);
-
- if (unlikely(rc < 0))
- return rc;
+ if (res_locked(dev, EM28XX_RESOURCE_VIDEO))
+ return -EBUSY;
return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0,
filp->f_flags & O_NONBLOCK);
}
+
+
+ if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
+ if (!res_get(fh, EM28XX_RESOURCE_VBI))
+ return -EBUSY;
+
+ return videobuf_read_stream(&fh->vb_vbiq, buf, count, pos, 0,
+ filp->f_flags & O_NONBLOCK);
+ }
+
return 0;
}
* em28xx_v4l2_poll()
* will allocate buffers when called for the first time
*/
-static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table * wait)
+static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table *wait)
{
struct em28xx_fh *fh = filp->private_data;
struct em28xx *dev = fh->dev;
if (rc < 0)
return rc;
- mutex_lock(&dev->lock);
- rc = res_get(fh);
- mutex_unlock(&dev->lock);
-
- if (unlikely(rc < 0))
- return POLLERR;
-
- if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type)
+ if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+ if (!res_get(fh, EM28XX_RESOURCE_VIDEO))
+ return POLLERR;
+ return videobuf_poll_stream(filp, &fh->vb_vidq, wait);
+ } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
+ if (!res_get(fh, EM28XX_RESOURCE_VBI))
+ return POLLERR;
+ return videobuf_poll_stream(filp, &fh->vb_vbiq, wait);
+ } else {
return POLLERR;
-
- return videobuf_poll_stream(filp, &fh->vb_vidq, wait);
+ }
}
/*
if (rc < 0)
return rc;
- mutex_lock(&dev->lock);
- rc = res_get(fh);
- mutex_unlock(&dev->lock);
-
- if (unlikely(rc < 0))
- return rc;
-
- rc = videobuf_mmap_mapper(&fh->vb_vidq, vma);
+ if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ rc = videobuf_mmap_mapper(&fh->vb_vidq, vma);
+ else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
+ rc = videobuf_mmap_mapper(&fh->vb_vbiq, vma);
em28xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n",
(unsigned long)vma->vm_start,
.vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
+ .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap,
+ .vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap,
.vidioc_g_audio = vidioc_g_audio,
.vidioc_s_audio = vidioc_s_audio,
.vidioc_cropcap = vidioc_cropcap,
.vidioc_querybuf = vidioc_querybuf,
.vidioc_qbuf = vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
+ .vidioc_g_std = vidioc_g_std,
.vidioc_s_std = vidioc_s_std,
+ .vidioc_g_parm = vidioc_g_parm,
+ .vidioc_s_parm = vidioc_s_parm,
.vidioc_enum_input = vidioc_enum_input,
.vidioc_g_input = vidioc_g_input,
.vidioc_s_input = vidioc_s_input,
static struct video_device *em28xx_vdev_init(struct em28xx *dev,
- const struct video_device *template,
- const char *type_name)
+ const struct video_device *template,
+ const char *type_name)
{
struct video_device *vfd;
vfd = video_device_alloc();
if (NULL == vfd)
return NULL;
- *vfd = *template;
- vfd->minor = -1;
- vfd->parent = &dev->udev->dev;
- vfd->release = video_device_release;
- vfd->debug = video_debug;
+
+ *vfd = *template;
+ vfd->minor = -1;
+ vfd->v4l2_dev = &dev->v4l2_dev;
+ vfd->release = video_device_release;
+ vfd->debug = video_debug;
snprintf(vfd->name, sizeof(vfd->name), "%s %s",
dev->name, type_name);
/* set default norm */
dev->norm = em28xx_video_template.current_norm;
- dev->width = norm_maxw(dev);
- dev->height = norm_maxh(dev);
dev->interlaced = EM28XX_INTERLACED_DEFAULT;
- dev->hscale = 0;
- dev->vscale = 0;
dev->ctl_input = 0;
/* Analog specific initialization */
dev->format = &format[0];
+ em28xx_set_video_format(dev, format[0].fourcc,
+ norm_maxw(dev), norm_maxh(dev));
+
video_mux(dev, dev->ctl_input);
/* Audio defaults */
dev->mute = 1;
dev->volume = 0x1f;
- /* enable vbi capturing */
-
/* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */
- val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK);
- em28xx_write_reg(dev, EM28XX_R0F_XCLK, (EM28XX_XCLK_AUDIO_UNMUTE | val));
- em28xx_write_reg(dev, EM28XX_R11_VINCTRL, 0x51);
+ val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK);
+ em28xx_write_reg(dev, EM28XX_R0F_XCLK,
+ (EM28XX_XCLK_AUDIO_UNMUTE | val));
em28xx_set_outfmt(dev);
em28xx_colorlevels_set_default(dev);
}
/* Allocate and fill vbi video_device struct */
- dev->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, "vbi");
+ if (em28xx_vbi_supported(dev) == 1) {
+ dev->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template,
+ "vbi");
- /* register v4l2 vbi video_device */
- ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
- vbi_nr[dev->devno]);
- if (ret < 0) {
- em28xx_errdev("unable to register vbi device\n");
- return ret;
+ /* register v4l2 vbi video_device */
+ ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
+ vbi_nr[dev->devno]);
+ if (ret < 0) {
+ em28xx_errdev("unable to register vbi device\n");
+ return ret;
+ }
}
if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) {
- dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, "radio");
+ dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template,
+ "radio");
if (!dev->radio_dev) {
em28xx_errdev("cannot allocate video_device.\n");
return -ENODEV;
dev->radio_dev->num);
}
- em28xx_info("V4L2 device registered as /dev/video%d and /dev/vbi%d\n",
- dev->vdev->num, dev->vbi_dev->num);
+ em28xx_info("V4L2 video device registered as /dev/video%d\n",
+ dev->vdev->num);
+
+ if (dev->vbi_dev)
+ em28xx_info("V4L2 VBI device registered as /dev/vbi%d\n",
+ dev->vbi_dev->num);
return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff