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path: root/drivers/media/usb/cx231xx/cx231xx-video.c
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Diffstat (limited to 'drivers/media/usb/cx231xx/cx231xx-video.c')
-rw-r--r--drivers/media/usb/cx231xx/cx231xx-video.c795
1 files changed, 184 insertions, 611 deletions
diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c
index 9b51f07a729e..69abafaebbf3 100644
--- a/drivers/media/usb/cx231xx/cx231xx-video.c
+++ b/drivers/media/usb/cx231xx/cx231xx-video.c
@@ -58,10 +58,10 @@ MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
MODULE_VERSION(CX231XX_VERSION);
-static unsigned int card[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
-static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
-static unsigned int vbi_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
-static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
+static unsigned int card[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U };
+static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U };
+static unsigned int vbi_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U };
+static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U };
module_param_array(card, int, NULL, 0444);
module_param_array(video_nr, int, NULL, 0444);
@@ -166,18 +166,19 @@ static inline void buffer_filled(struct cx231xx *dev,
struct cx231xx_buffer *buf)
{
/* Advice that buffer was filled */
- cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i);
- buf->vb.state = VIDEOBUF_DONE;
- buf->vb.field_count++;
- buf->vb.ts = ktime_get_ns();
+ cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.vb2_buf.index);
+ buf->vb.sequence = dma_q->sequence++;
+ buf->vb.field = V4L2_FIELD_INTERLACED;
+ buf->vb.vb2_buf.timestamp = ktime_get_ns();
+ vb2_set_plane_payload(&buf->vb.vb2_buf, 0, dev->size);
if (dev->USE_ISO)
dev->video_mode.isoc_ctl.buf = NULL;
else
dev->video_mode.bulk_ctl.buf = NULL;
- list_del(&buf->vb.queue);
- wake_up(&buf->vb.done);
+ list_del(&buf->list);
+ vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
}
static inline void print_err_status(struct cx231xx *dev, int packet, int status)
@@ -241,11 +242,11 @@ static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q,
}
/* Get the next buffer */
- *buf = list_entry(dma_q->active.next, struct cx231xx_buffer, vb.queue);
+ *buf = list_entry(dma_q->active.next, struct cx231xx_buffer, list);
/* Cleans up buffer - Useful for testing for frame/URB loss */
- outp = videobuf_to_vmalloc(&(*buf)->vb);
- memset(outp, 0, (*buf)->vb.size);
+ outp = vb2_plane_vaddr(&(*buf)->vb.vb2_buf, 0);
+ memset(outp, 0, dev->size);
if (dev->USE_ISO)
dev->video_mode.isoc_ctl.buf = *buf;
@@ -653,7 +654,7 @@ int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
if (buf == NULL)
return -1;
- p_out_buffer = videobuf_to_vmalloc(&buf->vb);
+ p_out_buffer = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
current_line_bytes_copied = _line_size - dma_q->bytes_left_in_line;
@@ -672,7 +673,7 @@ int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
lencopy = dma_q->bytes_left_in_line > bytes_to_copy ?
bytes_to_copy : dma_q->bytes_left_in_line;
- if ((u8 *)(startwrite + lencopy) > (u8 *)(p_out_buffer + buf->vb.size))
+ if ((u8 *)(startwrite + lencopy) > (u8 *)(p_out_buffer + dev->size))
return 0;
/* The below copies the UYVY data straight into video buffer */
@@ -708,149 +709,98 @@ u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q)
Videobuf operations
------------------------------------------------------------------*/
-static int
-buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
+static int queue_setup(struct vb2_queue *vq,
+ unsigned int *nbuffers, unsigned int *nplanes,
+ unsigned int sizes[], struct device *alloc_devs[])
{
- struct cx231xx_fh *fh = vq->priv_data;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = vb2_get_drv_priv(vq);
- *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7)>>3;
- if (0 == *count)
- *count = CX231XX_DEF_BUF;
+ dev->size = (dev->width * dev->height * dev->format->depth + 7) >> 3;
- if (*count < CX231XX_MIN_BUF)
- *count = CX231XX_MIN_BUF;
+ if (vq->num_buffers + *nbuffers < CX231XX_MIN_BUF)
+ *nbuffers = CX231XX_MIN_BUF - vq->num_buffers;
-
- cx231xx_enable_analog_tuner(dev);
+ if (*nplanes)
+ return sizes[0] < dev->size ? -EINVAL : 0;
+ *nplanes = 1;
+ sizes[0] = dev->size;
return 0;
}
-/* This is called *without* dev->slock held; please keep it that way */
-static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf)
+static void buffer_queue(struct vb2_buffer *vb)
{
- struct cx231xx_fh *fh = vq->priv_data;
- struct cx231xx *dev = fh->dev;
- unsigned long flags = 0;
-
- BUG_ON(in_interrupt());
-
- /* We used to wait for the buffer to finish here, but this didn't work
- because, as we were keeping the state as VIDEOBUF_QUEUED,
- videobuf_queue_cancel marked it as finished for us.
- (Also, it could wedge forever if the hardware was misconfigured.)
+ struct cx231xx_buffer *buf =
+ container_of(vb, struct cx231xx_buffer, vb.vb2_buf);
+ struct cx231xx *dev = vb2_get_drv_priv(vb->vb2_queue);
+ struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
+ unsigned long flags;
- This should be safe; by the time we get here, the buffer isn't
- queued anymore. If we ever start marking the buffers as
- VIDEOBUF_ACTIVE, it won't be, though.
- */
spin_lock_irqsave(&dev->video_mode.slock, flags);
- if (dev->USE_ISO) {
- if (dev->video_mode.isoc_ctl.buf == buf)
- dev->video_mode.isoc_ctl.buf = NULL;
- } else {
- if (dev->video_mode.bulk_ctl.buf == buf)
- dev->video_mode.bulk_ctl.buf = NULL;
- }
+ list_add_tail(&buf->list, &vidq->active);
spin_unlock_irqrestore(&dev->video_mode.slock, flags);
-
- videobuf_vmalloc_free(&buf->vb);
- buf->vb.state = VIDEOBUF_NEEDS_INIT;
}
-static int
-buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
- enum v4l2_field field)
+static void return_all_buffers(struct cx231xx *dev,
+ enum vb2_buffer_state state)
{
- struct cx231xx_fh *fh = vq->priv_data;
- struct cx231xx_buffer *buf =
- container_of(vb, struct cx231xx_buffer, vb);
- struct cx231xx *dev = fh->dev;
- int rc = 0, urb_init = 0;
-
- /* The only currently supported format is 16 bits/pixel */
- 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;
-
- buf->vb.width = dev->width;
- buf->vb.height = dev->height;
- buf->vb.field = field;
-
- if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
- rc = videobuf_iolock(vq, &buf->vb, NULL);
- if (rc < 0)
- goto fail;
- }
+ struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
+ struct cx231xx_buffer *buf, *node;
+ unsigned long flags;
- if (dev->USE_ISO) {
- if (!dev->video_mode.isoc_ctl.num_bufs)
- urb_init = 1;
- } else {
- if (!dev->video_mode.bulk_ctl.num_bufs)
- urb_init = 1;
- }
- dev_dbg(dev->dev,
- "urb_init=%d dev->video_mode.max_pkt_size=%d\n",
- urb_init, dev->video_mode.max_pkt_size);
- if (urb_init) {
- dev->mode_tv = 0;
- if (dev->USE_ISO)
- rc = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
- CX231XX_NUM_BUFS,
- dev->video_mode.max_pkt_size,
- cx231xx_isoc_copy);
- else
- rc = cx231xx_init_bulk(dev, CX231XX_NUM_PACKETS,
- CX231XX_NUM_BUFS,
- dev->video_mode.max_pkt_size,
- cx231xx_bulk_copy);
- if (rc < 0)
- goto fail;
+ spin_lock_irqsave(&dev->video_mode.slock, flags);
+ if (dev->USE_ISO)
+ dev->video_mode.isoc_ctl.buf = NULL;
+ else
+ dev->video_mode.bulk_ctl.buf = NULL;
+ list_for_each_entry_safe(buf, node, &vidq->active, list) {
+ list_del(&buf->list);
+ vb2_buffer_done(&buf->vb.vb2_buf, state);
}
-
- buf->vb.state = VIDEOBUF_PREPARED;
-
- return 0;
-
-fail:
- free_buffer(vq, buf);
- return rc;
+ spin_unlock_irqrestore(&dev->video_mode.slock, flags);
}
-static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
+static int start_streaming(struct vb2_queue *vq, unsigned int count)
{
- struct cx231xx_buffer *buf =
- container_of(vb, struct cx231xx_buffer, vb);
- struct cx231xx_fh *fh = vq->priv_data;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = vb2_get_drv_priv(vq);
struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
+ int ret = 0;
- buf->vb.state = VIDEOBUF_QUEUED;
- list_add_tail(&buf->vb.queue, &vidq->active);
+ vidq->sequence = 0;
+ dev->mode_tv = 0;
+ cx231xx_enable_analog_tuner(dev);
+ if (dev->USE_ISO)
+ ret = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
+ CX231XX_NUM_BUFS,
+ dev->video_mode.max_pkt_size,
+ cx231xx_isoc_copy);
+ else
+ ret = cx231xx_init_bulk(dev, CX231XX_NUM_PACKETS,
+ CX231XX_NUM_BUFS,
+ dev->video_mode.max_pkt_size,
+ cx231xx_bulk_copy);
+ if (ret)
+ return_all_buffers(dev, VB2_BUF_STATE_QUEUED);
+ call_all(dev, video, s_stream, 1);
+ return ret;
}
-static void buffer_release(struct videobuf_queue *vq,
- struct videobuf_buffer *vb)
+static void stop_streaming(struct vb2_queue *vq)
{
- struct cx231xx_buffer *buf =
- container_of(vb, struct cx231xx_buffer, vb);
- struct cx231xx_fh *fh = vq->priv_data;
- struct cx231xx *dev = (struct cx231xx *)fh->dev;
-
- cx231xx_isocdbg("cx231xx: called buffer_release\n");
+ struct cx231xx *dev = vb2_get_drv_priv(vq);
- free_buffer(vq, buf);
+ call_all(dev, video, s_stream, 0);
+ return_all_buffers(dev, VB2_BUF_STATE_ERROR);
}
-static const struct videobuf_queue_ops cx231xx_video_qops = {
- .buf_setup = buffer_setup,
- .buf_prepare = buffer_prepare,
- .buf_queue = buffer_queue,
- .buf_release = buffer_release,
+static struct vb2_ops cx231xx_video_qops = {
+ .queue_setup = queue_setup,
+ .buf_queue = buffer_queue,
+ .start_streaming = start_streaming,
+ .stop_streaming = stop_streaming,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
};
/********************* v4l2 interface **************************************/
@@ -872,58 +822,6 @@ void video_mux(struct cx231xx *dev, int index)
cx231xx_do_mode_ctrl_overrides(dev);
}
-/* Usage lock check functions */
-static int res_get(struct cx231xx_fh *fh)
-{
- struct cx231xx *dev = fh->dev;
- int rc = 0;
-
- /* This instance already has stream_on */
- if (fh->stream_on)
- return rc;
-
- if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- if (dev->stream_on)
- return -EBUSY;
- dev->stream_on = 1;
- } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
- if (dev->vbi_stream_on)
- return -EBUSY;
- dev->vbi_stream_on = 1;
- } else
- return -EINVAL;
-
- fh->stream_on = 1;
-
- return rc;
-}
-
-static int res_check(struct cx231xx_fh *fh)
-{
- return fh->stream_on;
-}
-
-static void res_free(struct cx231xx_fh *fh)
-{
- struct cx231xx *dev = fh->dev;
-
- fh->stream_on = 0;
-
- if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
- dev->stream_on = 0;
- if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
- dev->vbi_stream_on = 0;
-}
-
-static int check_dev(struct cx231xx *dev)
-{
- if (dev->state & DEV_DISCONNECTED) {
- dev_err(dev->dev, "v4l2 ioctl: device not present\n");
- return -ENODEV;
- }
- return 0;
-}
-
/* ------------------------------------------------------------------
IOCTL vidioc handling
------------------------------------------------------------------*/
@@ -931,8 +829,7 @@ static int check_dev(struct cx231xx *dev)
static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = video_drvdata(file);
f->fmt.pix.width = dev->width;
f->fmt.pix.height = dev->height;
@@ -960,8 +857,7 @@ static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc)
static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = video_drvdata(file);
unsigned int width = f->fmt.pix.width;
unsigned int height = f->fmt.pix.height;
unsigned int maxw = norm_maxw(dev);
@@ -993,39 +889,25 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
- int rc;
- struct cx231xx_fmt *fmt;
+ struct cx231xx *dev = video_drvdata(file);
struct v4l2_subdev_format format = {
.which = V4L2_SUBDEV_FORMAT_ACTIVE,
};
+ int rc;
- rc = check_dev(dev);
- if (rc < 0)
+ rc = vidioc_try_fmt_vid_cap(file, priv, f);
+ if (rc)
return rc;
- vidioc_try_fmt_vid_cap(file, priv, f);
-
- fmt = format_by_fourcc(f->fmt.pix.pixelformat);
- if (!fmt)
- return -EINVAL;
-
- if (videobuf_queue_is_busy(&fh->vb_vidq)) {
+ if (vb2_is_busy(&dev->vidq)) {
dev_err(dev->dev, "%s: queue busy\n", __func__);
return -EBUSY;
}
- if (dev->stream_on && !fh->stream_on) {
- dev_err(dev->dev,
- "%s: device in use by another fh\n", __func__);
- return -EBUSY;
- }
-
/* set new image size */
dev->width = f->fmt.pix.width;
dev->height = f->fmt.pix.height;
- dev->format = fmt;
+ dev->format = format_by_fourcc(f->fmt.pix.pixelformat);
v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
call_all(dev, pad, set_fmt, NULL, &format);
@@ -1036,8 +918,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = video_drvdata(file);
*id = dev->norm;
return 0;
@@ -1045,21 +926,15 @@ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = video_drvdata(file);
struct v4l2_subdev_format format = {
.which = V4L2_SUBDEV_FORMAT_ACTIVE,
};
- int rc;
-
- rc = check_dev(dev);
- if (rc < 0)
- return rc;
if (dev->norm == norm)
return 0;
- if (videobuf_queue_is_busy(&fh->vb_vidq))
+ if (vb2_is_busy(&dev->vidq))
return -EBUSY;
dev->norm = norm;
@@ -1141,8 +1016,7 @@ void cx231xx_v4l2_create_entities(struct cx231xx *dev)
int cx231xx_enum_input(struct file *file, void *priv,
struct v4l2_input *i)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = video_drvdata(file);
u32 gen_stat;
unsigned int n;
int ret;
@@ -1181,8 +1055,7 @@ int cx231xx_enum_input(struct file *file, void *priv,
int cx231xx_g_input(struct file *file, void *priv, unsigned int *i)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = video_drvdata(file);
*i = dev->video_input;
@@ -1191,14 +1064,9 @@ int cx231xx_g_input(struct file *file, void *priv, unsigned int *i)
int cx231xx_s_input(struct file *file, void *priv, unsigned int i)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
- int rc;
+ struct cx231xx *dev = video_drvdata(file);
dev->mode_tv = 0;
- rc = check_dev(dev);
- if (rc < 0)
- return rc;
if (i >= MAX_CX231XX_INPUT)
return -EINVAL;
@@ -1220,13 +1088,7 @@ int cx231xx_s_input(struct file *file, void *priv, unsigned int i)
int cx231xx_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
- int rc;
-
- rc = check_dev(dev);
- if (rc < 0)
- return rc;
+ struct cx231xx *dev = video_drvdata(file);
if (0 != t->index)
return -EINVAL;
@@ -1244,27 +1106,15 @@ int cx231xx_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
int cx231xx_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
- int rc;
-
- rc = check_dev(dev);
- if (rc < 0)
- return rc;
-
if (0 != t->index)
return -EINVAL;
-#if 0
- call_all(dev, tuner, s_tuner, t);
-#endif
return 0;
}
int cx231xx_g_frequency(struct file *file, void *priv,
struct v4l2_frequency *f)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = video_drvdata(file);
if (f->tuner)
return -EINVAL;
@@ -1277,8 +1127,7 @@ int cx231xx_g_frequency(struct file *file, void *priv,
int cx231xx_s_frequency(struct file *file, void *priv,
const struct v4l2_frequency *f)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = video_drvdata(file);
struct v4l2_frequency new_freq = *f;
int rc;
u32 if_frequency = 5400000;
@@ -1287,10 +1136,6 @@ int cx231xx_s_frequency(struct file *file, void *priv,
"Enter vidioc_s_frequency()f->frequency=%d;f->type=%d\n",
f->frequency, f->type);
- rc = check_dev(dev);
- if (rc < 0)
- return rc;
-
if (0 != f->tuner)
return -EINVAL;
@@ -1365,8 +1210,7 @@ int cx231xx_g_chip_info(struct file *file, void *fh,
int cx231xx_g_register(struct file *file, void *priv,
struct v4l2_dbg_register *reg)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = video_drvdata(file);
int ret;
u8 value[4] = { 0, 0, 0, 0 };
u32 data = 0;
@@ -1424,8 +1268,7 @@ int cx231xx_g_register(struct file *file, void *priv,
int cx231xx_s_register(struct file *file, void *priv,
const struct v4l2_dbg_register *reg)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = video_drvdata(file);
int ret;
u8 data[4] = { 0, 0, 0, 0 };
@@ -1472,8 +1315,7 @@ int cx231xx_s_register(struct file *file, void *priv,
static int vidioc_g_pixelaspect(struct file *file, void *priv,
int type, struct v4l2_fract *f)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = video_drvdata(file);
bool is_50hz = dev->norm & V4L2_STD_625_50;
if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
@@ -1488,8 +1330,7 @@ static int vidioc_g_pixelaspect(struct file *file, void *priv,
static int vidioc_g_selection(struct file *file, void *priv,
struct v4l2_selection *s)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = video_drvdata(file);
if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
@@ -1508,54 +1349,10 @@ static int vidioc_g_selection(struct file *file, void *priv,
return 0;
}
-static int vidioc_streamon(struct file *file, void *priv,
- enum v4l2_buf_type type)
-{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
- int rc;
-
- rc = check_dev(dev);
- if (rc < 0)
- return rc;
-
- rc = res_get(fh);
-
- if (likely(rc >= 0))
- rc = videobuf_streamon(&fh->vb_vidq);
-
- call_all(dev, video, s_stream, 1);
-
- return rc;
-}
-
-static int vidioc_streamoff(struct file *file, void *priv,
- enum v4l2_buf_type type)
-{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
- int rc;
-
- rc = check_dev(dev);
- if (rc < 0)
- return rc;
-
- if (type != fh->type)
- return -EINVAL;
-
- cx25840_call(dev, video, s_stream, 0);
-
- videobuf_streamoff(&fh->vb_vidq);
- res_free(fh);
-
- return 0;
-}
-
int cx231xx_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = video_drvdata(file);
strscpy(cap->driver, "cx231xx", sizeof(cap->driver));
strscpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
@@ -1587,8 +1384,7 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = video_drvdata(file);
f->fmt.vbi.sampling_rate = 6750000 * 4;
f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
@@ -1610,8 +1406,7 @@ static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = video_drvdata(file);
f->fmt.vbi.sampling_rate = 6750000 * 4;
f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
@@ -1634,77 +1429,16 @@ static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv,
static int vidioc_s_fmt_vbi_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
-
- if (dev->vbi_stream_on && !fh->stream_on) {
- dev_err(dev->dev,
- "%s device in use by another fh\n", __func__);
- return -EBUSY;
- }
return vidioc_try_fmt_vbi_cap(file, priv, f);
}
-static int vidioc_reqbufs(struct file *file, void *priv,
- struct v4l2_requestbuffers *rb)
-{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
- int rc;
-
- rc = check_dev(dev);
- if (rc < 0)
- return rc;
-
- return videobuf_reqbufs(&fh->vb_vidq, rb);
-}
-
-static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *b)
-{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
- int rc;
-
- rc = check_dev(dev);
- if (rc < 0)
- return rc;
-
- return videobuf_querybuf(&fh->vb_vidq, b);
-}
-
-static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
-{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
- int rc;
-
- rc = check_dev(dev);
- if (rc < 0)
- return rc;
-
- return videobuf_qbuf(&fh->vb_vidq, b);
-}
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
-{
- struct cx231xx_fh *fh = priv;
- struct cx231xx *dev = fh->dev;
- int rc;
-
- rc = check_dev(dev);
- if (rc < 0)
- return rc;
-
- return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK);
-}
-
/* ----------------------------------------------------------- */
/* RADIO ESPECIFIC IOCTLS */
/* ----------------------------------------------------------- */
static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
{
- struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
+ struct cx231xx *dev = video_drvdata(file);
if (t->index)
return -EINVAL;
@@ -1717,7 +1451,7 @@ static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
}
static int radio_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t)
{
- struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
+ struct cx231xx *dev = video_drvdata(file);
if (t->index)
return -EINVAL;
@@ -1733,52 +1467,20 @@ static int radio_s_tuner(struct file *file, void *priv, const struct v4l2_tuner
*/
static int cx231xx_v4l2_open(struct file *filp)
{
- int radio = 0;
struct video_device *vdev = video_devdata(filp);
struct cx231xx *dev = video_drvdata(filp);
- struct cx231xx_fh *fh;
- enum v4l2_buf_type fh_type = 0;
-
- switch (vdev->vfl_type) {
- case VFL_TYPE_GRABBER:
- fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- break;
- case VFL_TYPE_VBI:
- fh_type = V4L2_BUF_TYPE_VBI_CAPTURE;
- break;
- case VFL_TYPE_RADIO:
- radio = 1;
- break;
- default:
- return -EINVAL;
- }
-
- cx231xx_videodbg("open dev=%s type=%s users=%d\n",
- video_device_node_name(vdev), v4l2_type_names[fh_type],
- dev->users);
-
-#if 0
- errCode = cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
- if (errCode < 0) {
- dev_err(dev->dev,
- "Device locked on digital mode. Can't open analog\n");
- return -EBUSY;
- }
-#endif
+ int ret;
- fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL);
- if (!fh)
- return -ENOMEM;
- if (mutex_lock_interruptible(&dev->lock)) {
- kfree(fh);
+ if (mutex_lock_interruptible(&dev->lock))
return -ERESTARTSYS;
+
+ ret = v4l2_fh_open(filp);
+ if (ret) {
+ mutex_unlock(&dev->lock);
+ return ret;
}
- fh->dev = dev;
- fh->type = fh_type;
- filp->private_data = fh;
- v4l2_fh_init(&fh->fh, vdev);
- if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) {
+ if (dev->users++ == 0) {
/* Power up in Analog TV mode */
if (dev->board.external_av)
cx231xx_set_power_mode(dev,
@@ -1786,10 +1488,6 @@ static int cx231xx_v4l2_open(struct file *filp)
else
cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV);
-#if 0
- cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
-#endif
-
/* set video alternate setting */
cx231xx_set_video_alternate(dev);
@@ -1799,38 +1497,21 @@ static int cx231xx_v4l2_open(struct file *filp)
/* device needs to be initialized before isoc transfer */
dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
-
}
- if (radio) {
+
+ if (vdev->vfl_type == VFL_TYPE_RADIO) {
cx231xx_videodbg("video_open: setting radio device\n");
/* cx231xx_start_radio(dev); */
call_all(dev, tuner, s_radio);
}
-
- dev->users++;
-
- if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
- videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_video_qops,
- NULL, &dev->video_mode.slock,
- fh->type, V4L2_FIELD_INTERLACED,
- sizeof(struct cx231xx_buffer),
- fh, &dev->lock);
- if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
+ if (vdev->vfl_type == VFL_TYPE_VBI) {
/* Set the required alternate setting VBI interface works in
Bulk mode only */
cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
-
- videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_vbi_qops,
- NULL, &dev->vbi_mode.slock,
- fh->type, V4L2_FIELD_SEQ_TB,
- sizeof(struct cx231xx_buffer),
- fh, &dev->lock);
}
mutex_unlock(&dev->lock);
- v4l2_fh_add(&fh->fh);
-
return 0;
}
@@ -1871,68 +1552,12 @@ void cx231xx_release_analog_resources(struct cx231xx *dev)
*/
static int cx231xx_close(struct file *filp)
{
- struct cx231xx_fh *fh = filp->private_data;
- struct cx231xx *dev = fh->dev;
-
- cx231xx_videodbg("users=%d\n", dev->users);
-
- cx231xx_videodbg("users=%d\n", dev->users);
- if (res_check(fh))
- res_free(fh);
-
- /*
- * To workaround error number=-71 on EP0 for VideoGrabber,
- * need exclude following.
- * FIXME: It is probably safe to remove most of these, as we're
- * now avoiding the alternate setting for INDEX_VANC
- */
- if (!dev->board.no_alt_vanc)
- if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
- 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) {
- if (atomic_read(&dev->devlist_count) > 0) {
- cx231xx_release_resources(dev);
- fh->dev = NULL;
- return 0;
- }
- return 0;
- }
-
- /* do this before setting alternate! */
- cx231xx_uninit_vbi_isoc(dev);
-
- /* set alternate 0 */
- if (!dev->vbi_or_sliced_cc_mode)
- cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
- else
- cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
-
- v4l2_fh_del(&fh->fh);
- v4l2_fh_exit(&fh->fh);
- kfree(fh);
- dev->users--;
- wake_up_interruptible(&dev->open);
- return 0;
- }
+ struct cx231xx *dev = video_drvdata(filp);
+ struct video_device *vdev = video_devdata(filp);
- v4l2_fh_del(&fh->fh);
- dev->users--;
- if (!dev->users) {
- 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) {
- cx231xx_release_resources(dev);
- fh->dev = NULL;
- return 0;
- }
+ _vb2_fop_release(filp, NULL);
+ if (--dev->users == 0) {
/* Save some power by putting tuner to sleep */
call_all(dev, tuner, standby);
@@ -1942,20 +1567,40 @@ static int cx231xx_close(struct file *filp)
else
cx231xx_uninit_bulk(dev);
cx231xx_set_mode(dev, CX231XX_SUSPEND);
+ }
+
+ /*
+ * To workaround error number=-71 on EP0 for VideoGrabber,
+ * need exclude following.
+ * FIXME: It is probably safe to remove most of these, as we're
+ * now avoiding the alternate setting for INDEX_VANC
+ */
+ if (!dev->board.no_alt_vanc && vdev->vfl_type == VFL_TYPE_VBI) {
+ /* do this before setting alternate! */
+ cx231xx_uninit_vbi_isoc(dev);
/* set alternate 0 */
+ if (!dev->vbi_or_sliced_cc_mode)
+ cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
+ else
+ cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
+
+ wake_up_interruptible_nr(&dev->open, 1);
+ return 0;
+ }
+
+ if (dev->users == 0) {
+ /* set alternate 0 */
cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
}
- v4l2_fh_exit(&fh->fh);
- kfree(fh);
+
wake_up_interruptible(&dev->open);
return 0;
}
static int cx231xx_v4l2_close(struct file *filp)
{
- struct cx231xx_fh *fh = filp->private_data;
- struct cx231xx *dev = fh->dev;
+ struct cx231xx *dev = video_drvdata(filp);
int rc;
mutex_lock(&dev->lock);
@@ -1964,116 +1609,13 @@ static int cx231xx_v4l2_close(struct file *filp)
return rc;
}
-/*
- * cx231xx_v4l2_read()
- * will allocate buffers when called for the first time
- */
-static ssize_t
-cx231xx_v4l2_read(struct file *filp, char __user *buf, size_t count,
- loff_t *pos)
-{
- struct cx231xx_fh *fh = filp->private_data;
- struct cx231xx *dev = fh->dev;
- int rc;
-
- rc = check_dev(dev);
- if (rc < 0)
- return rc;
-
- if ((fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
- (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)) {
- rc = res_get(fh);
-
- if (unlikely(rc < 0))
- return rc;
-
- if (mutex_lock_interruptible(&dev->lock))
- return -ERESTARTSYS;
- rc = videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0,
- filp->f_flags & O_NONBLOCK);
- mutex_unlock(&dev->lock);
- return rc;
- }
- return 0;
-}
-
-/*
- * cx231xx_v4l2_poll()
- * will allocate buffers when called for the first time
- */
-static __poll_t cx231xx_v4l2_poll(struct file *filp, poll_table *wait)
-{
- __poll_t req_events = poll_requested_events(wait);
- struct cx231xx_fh *fh = filp->private_data;
- struct cx231xx *dev = fh->dev;
- __poll_t res = 0;
- int rc;
-
- rc = check_dev(dev);
- if (rc < 0)
- return EPOLLERR;
-
- rc = res_get(fh);
-
- if (unlikely(rc < 0))
- return EPOLLERR;
-
- if (v4l2_event_pending(&fh->fh))
- res |= EPOLLPRI;
- else
- poll_wait(filp, &fh->fh.wait, wait);
-
- if (!(req_events & (EPOLLIN | EPOLLRDNORM)))
- return res;
-
- if ((V4L2_BUF_TYPE_VIDEO_CAPTURE == fh->type) ||
- (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)) {
- mutex_lock(&dev->lock);
- res |= videobuf_poll_stream(filp, &fh->vb_vidq, wait);
- mutex_unlock(&dev->lock);
- return res;
- }
- return res | EPOLLERR;
-}
-
-/*
- * cx231xx_v4l2_mmap()
- */
-static int cx231xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
-{
- struct cx231xx_fh *fh = filp->private_data;
- struct cx231xx *dev = fh->dev;
- int rc;
-
- rc = check_dev(dev);
- if (rc < 0)
- return rc;
-
- rc = res_get(fh);
-
- if (unlikely(rc < 0))
- return rc;
-
- if (mutex_lock_interruptible(&dev->lock))
- return -ERESTARTSYS;
- rc = videobuf_mmap_mapper(&fh->vb_vidq, vma);
- mutex_unlock(&dev->lock);
-
- cx231xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n",
- (unsigned long)vma->vm_start,
- (unsigned long)vma->vm_end -
- (unsigned long)vma->vm_start, rc);
-
- return rc;
-}
-
static const struct v4l2_file_operations cx231xx_v4l_fops = {
.owner = THIS_MODULE,
.open = cx231xx_v4l2_open,
.release = cx231xx_v4l2_close,
- .read = cx231xx_v4l2_read,
- .poll = cx231xx_v4l2_poll,
- .mmap = cx231xx_v4l2_mmap,
+ .read = vb2_fop_read,
+ .poll = vb2_fop_poll,
+ .mmap = vb2_fop_mmap,
.unlocked_ioctl = video_ioctl2,
};
@@ -2088,17 +1630,17 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap,
.vidioc_g_pixelaspect = vidioc_g_pixelaspect,
.vidioc_g_selection = vidioc_g_selection,
- .vidioc_reqbufs = vidioc_reqbufs,
- .vidioc_querybuf = vidioc_querybuf,
- .vidioc_qbuf = vidioc_qbuf,
- .vidioc_dqbuf = vidioc_dqbuf,
+ .vidioc_reqbufs = vb2_ioctl_reqbufs,
+ .vidioc_querybuf = vb2_ioctl_querybuf,
+ .vidioc_qbuf = vb2_ioctl_qbuf,
+ .vidioc_dqbuf = vb2_ioctl_dqbuf,
.vidioc_s_std = vidioc_s_std,
.vidioc_g_std = vidioc_g_std,
.vidioc_enum_input = cx231xx_enum_input,
.vidioc_g_input = cx231xx_g_input,
.vidioc_s_input = cx231xx_s_input,
- .vidioc_streamon = vidioc_streamon,
- .vidioc_streamoff = vidioc_streamoff,
+ .vidioc_streamon = vb2_ioctl_streamon,
+ .vidioc_streamoff = vb2_ioctl_streamoff,
.vidioc_g_tuner = cx231xx_g_tuner,
.vidioc_s_tuner = cx231xx_s_tuner,
.vidioc_g_frequency = cx231xx_g_frequency,
@@ -2175,6 +1717,7 @@ static void cx231xx_vdev_init(struct cx231xx *dev,
int cx231xx_register_analog_devices(struct cx231xx *dev)
{
+ struct vb2_queue *q;
int ret;
dev_info(dev->dev, "v4l2 driver version %s\n", CX231XX_VERSION);
@@ -2221,6 +1764,21 @@ int cx231xx_register_analog_devices(struct cx231xx *dev)
dev_err(dev->dev, "failed to initialize video media entity!\n");
#endif
dev->vdev.ctrl_handler = &dev->ctrl_handler;
+
+ q = &dev->vidq;
+ q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ q->io_modes = VB2_USERPTR | VB2_MMAP | VB2_DMABUF | VB2_READ;
+ q->drv_priv = dev;
+ q->buf_struct_size = sizeof(struct cx231xx_buffer);
+ q->ops = &cx231xx_video_qops;
+ q->mem_ops = &vb2_vmalloc_memops;
+ q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ q->min_buffers_needed = 1;
+ q->lock = &dev->lock;
+ ret = vb2_queue_init(q);
+ if (ret)
+ return ret;
+ dev->vdev.queue = q;
dev->vdev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
V4L2_CAP_VIDEO_CAPTURE;
if (dev->tuner_type != TUNER_ABSENT)
@@ -2254,6 +1812,21 @@ int cx231xx_register_analog_devices(struct cx231xx *dev)
dev_err(dev->dev, "failed to initialize vbi media entity!\n");
#endif
dev->vbi_dev.ctrl_handler = &dev->ctrl_handler;
+
+ q = &dev->vbiq;
+ q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
+ q->io_modes = VB2_USERPTR | VB2_MMAP | VB2_DMABUF | VB2_READ;
+ q->drv_priv = dev;
+ q->buf_struct_size = sizeof(struct cx231xx_buffer);
+ q->ops = &cx231xx_vbi_qops;
+ q->mem_ops = &vb2_vmalloc_memops;
+ q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ q->min_buffers_needed = 1;
+ q->lock = &dev->lock;
+ ret = vb2_queue_init(q);
+ if (ret)
+ return ret;
+ dev->vbi_dev.queue = q;
dev->vbi_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
V4L2_CAP_VBI_CAPTURE;
if (dev->tuner_type != TUNER_ABSENT)
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-22 20:59:26 +0300