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path: root/drivers/media/pci/cx88/cx88-blackbird.c
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Diffstat (limited to 'drivers/media/pci/cx88/cx88-blackbird.c')
-rw-r--r--drivers/media/pci/cx88/cx88-blackbird.c438
1 files changed, 180 insertions, 258 deletions
diff --git a/drivers/media/pci/cx88/cx88-blackbird.c b/drivers/media/pci/cx88/cx88-blackbird.c
index 150bb76e7839..25d06f36e0ef 100644
--- a/drivers/media/pci/cx88/cx88-blackbird.c
+++ b/drivers/media/pci/cx88/cx88-blackbird.c
@@ -45,10 +45,6 @@ MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE
MODULE_LICENSE("GPL");
MODULE_VERSION(CX88_VERSION);
-static unsigned int mpegbufs = 32;
-module_param(mpegbufs,int,0644);
-MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
-
static unsigned int debug;
module_param(debug,int,0644);
MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
@@ -589,9 +585,8 @@ static int blackbird_initialize_codec(struct cx8802_dev *dev)
return 0;
}
-static int blackbird_start_codec(struct file *file, void *priv)
+static int blackbird_start_codec(struct cx8802_dev *dev)
{
- struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
struct cx88_core *core = dev->core;
/* start capturing to the host interface */
u32 reg;
@@ -647,45 +642,131 @@ static int blackbird_stop_codec(struct cx8802_dev *dev)
/* ------------------------------------------------------------------ */
-static int bb_buf_setup(struct videobuf_queue *q,
- unsigned int *count, unsigned int *size)
+static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
+ unsigned int *num_buffers, unsigned int *num_planes,
+ unsigned int sizes[], void *alloc_ctxs[])
{
- struct cx8802_fh *fh = q->priv_data;
-
- fh->dev->ts_packet_size = 188 * 4; /* was: 512 */
- fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
+ struct cx8802_dev *dev = q->drv_priv;
- *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
- *count = fh->dev->ts_packet_count;
+ *num_planes = 1;
+ dev->ts_packet_size = 188 * 4;
+ dev->ts_packet_count = 32;
+ sizes[0] = dev->ts_packet_size * dev->ts_packet_count;
return 0;
}
-static int
-bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
- enum v4l2_field field)
+static int buffer_prepare(struct vb2_buffer *vb)
{
- struct cx8802_fh *fh = q->priv_data;
- return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
+ struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
+ struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb);
+
+ return cx8802_buf_prepare(vb->vb2_queue, dev, buf, dev->field);
}
-static void
-bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
+static void buffer_finish(struct vb2_buffer *vb)
{
- struct cx8802_fh *fh = q->priv_data;
- cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
+ struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
+ struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb);
+ struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
+
+ cx88_free_buffer(vb->vb2_queue, buf);
+
+ dma_unmap_sg(&dev->pci->dev, sgt->sgl, sgt->nents, DMA_FROM_DEVICE);
}
-static void
-bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
+static void buffer_queue(struct vb2_buffer *vb)
{
- cx88_free_buffer(q, (struct cx88_buffer*)vb);
+ struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
+ struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb);
+
+ cx8802_buf_queue(dev, buf);
}
-static struct videobuf_queue_ops blackbird_qops = {
- .buf_setup = bb_buf_setup,
- .buf_prepare = bb_buf_prepare,
- .buf_queue = bb_buf_queue,
- .buf_release = bb_buf_release,
+static int start_streaming(struct vb2_queue *q, unsigned int count)
+{
+ struct cx8802_dev *dev = q->drv_priv;
+ struct cx88_dmaqueue *dmaq = &dev->mpegq;
+ struct cx8802_driver *drv;
+ struct cx88_buffer *buf;
+ unsigned long flags;
+ int err;
+
+ /* Make sure we can acquire the hardware */
+ drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
+ if (!drv) {
+ dprintk(1, "%s: blackbird driver is not loaded\n", __func__);
+ err = -ENODEV;
+ goto fail;
+ }
+
+ err = drv->request_acquire(drv);
+ if (err != 0) {
+ dprintk(1, "%s: Unable to acquire hardware, %d\n", __func__, err);
+ goto fail;
+ }
+
+ if (blackbird_initialize_codec(dev) < 0) {
+ drv->request_release(drv);
+ err = -EINVAL;
+ goto fail;
+ }
+
+ err = blackbird_start_codec(dev);
+ if (err == 0) {
+ buf = list_entry(dmaq->active.next, struct cx88_buffer, list);
+ cx8802_start_dma(dev, dmaq, buf);
+ return 0;
+ }
+
+fail:
+ spin_lock_irqsave(&dev->slock, flags);
+ while (!list_empty(&dmaq->active)) {
+ struct cx88_buffer *buf = list_entry(dmaq->active.next,
+ struct cx88_buffer, list);
+
+ list_del(&buf->list);
+ vb2_buffer_done(&buf->vb, VB2_BUF_STATE_QUEUED);
+ }
+ spin_unlock_irqrestore(&dev->slock, flags);
+ return err;
+}
+
+static void stop_streaming(struct vb2_queue *q)
+{
+ struct cx8802_dev *dev = q->drv_priv;
+ struct cx88_dmaqueue *dmaq = &dev->mpegq;
+ struct cx8802_driver *drv = NULL;
+ unsigned long flags;
+
+ cx8802_cancel_buffers(dev);
+ blackbird_stop_codec(dev);
+
+ /* Make sure we release the hardware */
+ drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
+ WARN_ON(!drv);
+ if (drv)
+ drv->request_release(drv);
+
+ spin_lock_irqsave(&dev->slock, flags);
+ while (!list_empty(&dmaq->active)) {
+ struct cx88_buffer *buf = list_entry(dmaq->active.next,
+ struct cx88_buffer, list);
+
+ list_del(&buf->list);
+ vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+ }
+ spin_unlock_irqrestore(&dev->slock, flags);
+}
+
+static struct vb2_ops blackbird_qops = {
+ .queue_setup = queue_setup,
+ .buf_prepare = buffer_prepare,
+ .buf_finish = buffer_finish,
+ .buf_queue = buffer_queue,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+ .start_streaming = start_streaming,
+ .stop_streaming = stop_streaming,
};
/* ------------------------------------------------------------------ */
@@ -693,8 +774,8 @@ static struct videobuf_queue_ops blackbird_qops = {
static int vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
- struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
- struct cx88_core *core = dev->core;
+ struct cx8802_dev *dev = video_drvdata(file);
+ struct cx88_core *core = dev->core;
strcpy(cap->driver, "cx88_blackbird");
sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
@@ -717,50 +798,47 @@ static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
struct v4l2_format *f)
{
- struct cx8802_fh *fh = priv;
- struct cx8802_dev *dev = fh->dev;
+ struct cx8802_dev *dev = video_drvdata(file);
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.bytesperline = 0;
- f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */
+ f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
f->fmt.pix.width = dev->width;
f->fmt.pix.height = dev->height;
- f->fmt.pix.field = fh->mpegq.field;
+ f->fmt.pix.field = dev->field;
dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
- dev->width, dev->height, fh->mpegq.field );
+ dev->width, dev->height, dev->field);
return 0;
}
static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
struct v4l2_format *f)
{
- struct cx8802_fh *fh = priv;
- struct cx8802_dev *dev = fh->dev;
+ struct cx8802_dev *dev = video_drvdata(file);
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.bytesperline = 0;
- f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */
+ f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
- dev->width, dev->height, fh->mpegq.field );
+ dev->width, dev->height, dev->field);
return 0;
}
static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
struct v4l2_format *f)
{
- struct cx8802_fh *fh = priv;
- struct cx8802_dev *dev = fh->dev;
+ struct cx8802_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.bytesperline = 0;
- f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */
+ f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
dev->width = f->fmt.pix.width;
dev->height = f->fmt.pix.height;
- fh->mpegq.field = f->fmt.pix.field;
+ dev->field = f->fmt.pix.field;
cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
f->fmt.pix.height, f->fmt.pix.width);
@@ -769,57 +847,11 @@ static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
return 0;
}
-static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
-{
- struct cx8802_fh *fh = priv;
- return (videobuf_reqbufs(&fh->mpegq, p));
-}
-
-static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
-{
- struct cx8802_fh *fh = priv;
- return (videobuf_querybuf(&fh->mpegq, p));
-}
-
-static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
-{
- struct cx8802_fh *fh = priv;
- return (videobuf_qbuf(&fh->mpegq, p));
-}
-
-static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
-{
- struct cx8802_fh *fh = priv;
- return (videobuf_dqbuf(&fh->mpegq, p,
- file->f_flags & O_NONBLOCK));
-}
-
-static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
-{
- struct cx8802_fh *fh = priv;
- struct cx8802_dev *dev = fh->dev;
-
- if (!dev->mpeg_active)
- blackbird_start_codec(file, fh);
- return videobuf_streamon(&fh->mpegq);
-}
-
-static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
-{
- struct cx8802_fh *fh = priv;
- struct cx8802_dev *dev = fh->dev;
-
- if (dev->mpeg_active)
- blackbird_stop_codec(dev);
- return videobuf_streamoff(&fh->mpegq);
-}
-
static int vidioc_s_frequency (struct file *file, void *priv,
const struct v4l2_frequency *f)
{
- struct cx8802_fh *fh = priv;
- struct cx8802_dev *dev = fh->dev;
- struct cx88_core *core = dev->core;
+ struct cx8802_dev *dev = video_drvdata(file);
+ struct cx88_core *core = dev->core;
if (unlikely(UNSET == core->board.tuner_type))
return -EINVAL;
@@ -831,14 +863,14 @@ static int vidioc_s_frequency (struct file *file, void *priv,
cx88_set_freq (core,f);
blackbird_initialize_codec(dev);
cx88_set_scale(dev->core, dev->width, dev->height,
- fh->mpegq.field);
+ dev->field);
return 0;
}
static int vidioc_log_status (struct file *file, void *priv)
{
- struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
- struct cx88_core *core = dev->core;
+ struct cx8802_dev *dev = video_drvdata(file);
+ struct cx88_core *core = dev->core;
char name[32 + 2];
snprintf(name, sizeof(name), "%s/2", core->name);
@@ -850,15 +882,16 @@ static int vidioc_log_status (struct file *file, void *priv)
static int vidioc_enum_input (struct file *file, void *priv,
struct v4l2_input *i)
{
- struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
+ struct cx8802_dev *dev = video_drvdata(file);
+ struct cx88_core *core = dev->core;
return cx88_enum_input (core,i);
}
static int vidioc_g_frequency (struct file *file, void *priv,
struct v4l2_frequency *f)
{
- struct cx8802_fh *fh = priv;
- struct cx88_core *core = fh->dev->core;
+ struct cx8802_dev *dev = video_drvdata(file);
+ struct cx88_core *core = dev->core;
if (unlikely(UNSET == core->board.tuner_type))
return -EINVAL;
@@ -873,7 +906,8 @@ static int vidioc_g_frequency (struct file *file, void *priv,
static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
{
- struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
+ struct cx8802_dev *dev = video_drvdata(file);
+ struct cx88_core *core = dev->core;
*i = core->input;
return 0;
@@ -881,24 +915,24 @@ static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
{
- struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
+ struct cx8802_dev *dev = video_drvdata(file);
+ struct cx88_core *core = dev->core;
if (i >= 4)
return -EINVAL;
if (0 == INPUT(i).type)
return -EINVAL;
- mutex_lock(&core->lock);
cx88_newstation(core);
cx88_video_mux(core,i);
- mutex_unlock(&core->lock);
return 0;
}
static int vidioc_g_tuner (struct file *file, void *priv,
struct v4l2_tuner *t)
{
- struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
+ struct cx8802_dev *dev = video_drvdata(file);
+ struct cx88_core *core = dev->core;
u32 reg;
if (unlikely(UNSET == core->board.tuner_type))
@@ -920,7 +954,8 @@ static int vidioc_g_tuner (struct file *file, void *priv,
static int vidioc_s_tuner (struct file *file, void *priv,
const struct v4l2_tuner *t)
{
- struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
+ struct cx8802_dev *dev = video_drvdata(file);
+ struct cx88_core *core = dev->core;
if (UNSET == core->board.tuner_type)
return -EINVAL;
@@ -933,7 +968,8 @@ static int vidioc_s_tuner (struct file *file, void *priv,
static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
{
- struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
+ struct cx8802_dev *dev = video_drvdata(file);
+ struct cx88_core *core = dev->core;
*tvnorm = core->tvnorm;
return 0;
@@ -941,155 +977,21 @@ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
{
- struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
-
- mutex_lock(&core->lock);
- cx88_set_tvnorm(core, id);
- mutex_unlock(&core->lock);
- return 0;
-}
-
-/* FIXME: cx88_ioctl_hook not implemented */
-
-static int mpeg_open(struct file *file)
-{
- struct video_device *vdev = video_devdata(file);
struct cx8802_dev *dev = video_drvdata(file);
- struct cx8802_fh *fh;
- struct cx8802_driver *drv = NULL;
- int err;
-
- dprintk( 1, "%s\n", __func__);
-
- mutex_lock(&dev->core->lock);
-
- /* Make sure we can acquire the hardware */
- drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
- if (!drv) {
- dprintk(1, "%s: blackbird driver is not loaded\n", __func__);
- mutex_unlock(&dev->core->lock);
- return -ENODEV;
- }
-
- err = drv->request_acquire(drv);
- if (err != 0) {
- dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
- mutex_unlock(&dev->core->lock);
- return err;
- }
-
- if (!dev->core->mpeg_users && blackbird_initialize_codec(dev) < 0) {
- drv->request_release(drv);
- mutex_unlock(&dev->core->lock);
- return -EINVAL;
- }
- dprintk(1, "open dev=%s\n", video_device_node_name(vdev));
-
- /* allocate + initialize per filehandle data */
- fh = kzalloc(sizeof(*fh),GFP_KERNEL);
- if (NULL == fh) {
- drv->request_release(drv);
- mutex_unlock(&dev->core->lock);
- return -ENOMEM;
- }
- v4l2_fh_init(&fh->fh, vdev);
- file->private_data = fh;
- fh->dev = dev;
-
- videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops,
- &dev->pci->dev, &dev->slock,
- V4L2_BUF_TYPE_VIDEO_CAPTURE,
- V4L2_FIELD_INTERLACED,
- sizeof(struct cx88_buffer),
- fh, NULL);
-
- /* FIXME: locking against other video device */
- cx88_set_scale(dev->core, dev->width, dev->height,
- fh->mpegq.field);
-
- dev->core->mpeg_users++;
- mutex_unlock(&dev->core->lock);
- v4l2_fh_add(&fh->fh);
- return 0;
-}
-
-static int mpeg_release(struct file *file)
-{
- struct cx8802_fh *fh = file->private_data;
- struct cx8802_dev *dev = fh->dev;
- struct cx8802_driver *drv = NULL;
-
- mutex_lock(&dev->core->lock);
-
- if (dev->mpeg_active && dev->core->mpeg_users == 1)
- blackbird_stop_codec(dev);
-
- cx8802_cancel_buffers(fh->dev);
- /* stop mpeg capture */
- videobuf_stop(&fh->mpegq);
-
- videobuf_mmap_free(&fh->mpegq);
-
- v4l2_fh_del(&fh->fh);
- v4l2_fh_exit(&fh->fh);
- file->private_data = NULL;
- kfree(fh);
-
- /* Make sure we release the hardware */
- drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
- WARN_ON(!drv);
- if (drv)
- drv->request_release(drv);
-
- dev->core->mpeg_users--;
-
- mutex_unlock(&dev->core->lock);
+ struct cx88_core *core = dev->core;
+ cx88_set_tvnorm(core, id);
return 0;
}
-static ssize_t
-mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
-{
- struct cx8802_fh *fh = file->private_data;
- struct cx8802_dev *dev = fh->dev;
-
- if (!dev->mpeg_active)
- blackbird_start_codec(file, fh);
-
- return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
- file->f_flags & O_NONBLOCK);
-}
-
-static unsigned int
-mpeg_poll(struct file *file, struct poll_table_struct *wait)
-{
- unsigned long req_events = poll_requested_events(wait);
- struct cx8802_fh *fh = file->private_data;
- struct cx8802_dev *dev = fh->dev;
-
- if (!dev->mpeg_active && (req_events & (POLLIN | POLLRDNORM)))
- blackbird_start_codec(file, fh);
-
- return v4l2_ctrl_poll(file, wait) | videobuf_poll_stream(file, &fh->mpegq, wait);
-}
-
-static int
-mpeg_mmap(struct file *file, struct vm_area_struct * vma)
-{
- struct cx8802_fh *fh = file->private_data;
-
- return videobuf_mmap_mapper(&fh->mpegq, vma);
-}
-
static const struct v4l2_file_operations mpeg_fops =
{
.owner = THIS_MODULE,
- .open = mpeg_open,
- .release = mpeg_release,
- .read = mpeg_read,
- .poll = mpeg_poll,
- .mmap = mpeg_mmap,
+ .open = v4l2_fh_open,
+ .release = vb2_fop_release,
+ .read = vb2_fop_read,
+ .poll = vb2_fop_poll,
+ .mmap = vb2_fop_mmap,
.unlocked_ioctl = video_ioctl2,
};
@@ -1099,12 +1001,12 @@ static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
.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_reqbufs = vidioc_reqbufs,
- .vidioc_querybuf = vidioc_querybuf,
- .vidioc_qbuf = vidioc_qbuf,
- .vidioc_dqbuf = vidioc_dqbuf,
- .vidioc_streamon = vidioc_streamon,
- .vidioc_streamoff = vidioc_streamoff,
+ .vidioc_reqbufs = vb2_ioctl_reqbufs,
+ .vidioc_querybuf = vb2_ioctl_querybuf,
+ .vidioc_qbuf = vb2_ioctl_qbuf,
+ .vidioc_dqbuf = vb2_ioctl_dqbuf,
+ .vidioc_streamon = vb2_ioctl_streamon,
+ .vidioc_streamoff = vb2_ioctl_streamoff,
.vidioc_s_frequency = vidioc_s_frequency,
.vidioc_log_status = vidioc_log_status,
.vidioc_enum_input = vidioc_enum_input,
@@ -1189,11 +1091,12 @@ static int blackbird_register_video(struct cx8802_dev *dev)
{
int err;
- dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
- &cx8802_mpeg_template,"mpeg");
+ dev->mpeg_dev = cx88_vdev_init(dev->core, dev->pci,
+ &cx8802_mpeg_template, "mpeg");
dev->mpeg_dev->ctrl_handler = &dev->cxhdl.hdl;
video_set_drvdata(dev->mpeg_dev, dev);
- err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
+ dev->mpeg_dev->queue = &dev->vb2_mpegq;
+ err = video_register_device(dev->mpeg_dev, VFL_TYPE_GRABBER, -1);
if (err < 0) {
printk(KERN_INFO "%s/2: can't register mpeg device\n",
dev->core->name);
@@ -1210,6 +1113,7 @@ static int cx8802_blackbird_probe(struct cx8802_driver *drv)
{
struct cx88_core *core = drv->core;
struct cx8802_dev *dev = core->dvbdev;
+ struct vb2_queue *q;
int err;
dprintk( 1, "%s\n", __func__);
@@ -1229,6 +1133,7 @@ static int cx8802_blackbird_probe(struct cx8802_driver *drv)
} else {
dev->height = 576;
}
+ dev->field = V4L2_FIELD_INTERLACED;
dev->cxhdl.port = CX2341X_PORT_STREAMING;
dev->cxhdl.width = dev->width;
dev->cxhdl.height = dev->height;
@@ -1252,11 +1157,28 @@ static int cx8802_blackbird_probe(struct cx8802_driver *drv)
cx88_video_mux(core,0);
cx2341x_handler_set_50hz(&dev->cxhdl, dev->height == 576);
cx2341x_handler_setup(&dev->cxhdl);
+
+ q = &dev->vb2_mpegq;
+ q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
+ q->gfp_flags = GFP_DMA32;
+ q->min_buffers_needed = 2;
+ q->drv_priv = dev;
+ q->buf_struct_size = sizeof(struct cx88_buffer);
+ q->ops = &blackbird_qops;
+ q->mem_ops = &vb2_dma_sg_memops;
+ q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ q->lock = &core->lock;
+
+ err = vb2_queue_init(q);
+ if (err < 0)
+ goto fail_core;
+
blackbird_register_video(dev);
return 0;
- fail_core:
+fail_core:
return err;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.