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-rw-r--r--drivers/media/pci/saa7134/Kconfig4
-rw-r--r--drivers/media/pci/saa7134/saa7134-core.c86
-rw-r--r--drivers/media/pci/saa7134/saa7134-dvb.c43
-rw-r--r--drivers/media/pci/saa7134/saa7134-empress.c175
-rw-r--r--drivers/media/pci/saa7134/saa7134-ts.c171
-rw-r--r--drivers/media/pci/saa7134/saa7134-vbi.c108
-rw-r--r--drivers/media/pci/saa7134/saa7134-video.c590
-rw-r--r--drivers/media/pci/saa7134/saa7134.h94
8 files changed, 542 insertions, 729 deletions
diff --git a/drivers/media/pci/saa7134/Kconfig b/drivers/media/pci/saa7134/Kconfig
index 7883393571e5..18ae75546302 100644
--- a/drivers/media/pci/saa7134/Kconfig
+++ b/drivers/media/pci/saa7134/Kconfig
@@ -1,7 +1,7 @@
config VIDEO_SAA7134
tristate "Philips SAA7134 support"
depends on VIDEO_DEV && PCI && I2C
- select VIDEOBUF_DMA_SG
+ select VIDEOBUF2_DMA_SG
select VIDEO_TUNER
select VIDEO_TVEEPROM
select CRC32
@@ -37,7 +37,7 @@ config VIDEO_SAA7134_RC
config VIDEO_SAA7134_DVB
tristate "DVB/ATSC Support for saa7134 based TV cards"
depends on VIDEO_SAA7134 && DVB_CORE
- select VIDEOBUF_DVB
+ select VIDEOBUF2_DVB
select DVB_PLL if MEDIA_SUBDRV_AUTOSELECT
select DVB_MT352 if MEDIA_SUBDRV_AUTOSELECT
select DVB_TDA1004X if MEDIA_SUBDRV_AUTOSELECT
diff --git a/drivers/media/pci/saa7134/saa7134-core.c b/drivers/media/pci/saa7134/saa7134-core.c
index f6cfbb450613..f4ea0ecec91e 100644
--- a/drivers/media/pci/saa7134/saa7134-core.c
+++ b/drivers/media/pci/saa7134/saa7134-core.c
@@ -203,16 +203,16 @@ int saa7134_buffer_count(unsigned int size, unsigned int count)
int saa7134_buffer_startpage(struct saa7134_buf *buf)
{
- return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
+ return saa7134_buffer_pages(vb2_plane_size(&buf->vb2, 0)) * buf->vb2.v4l2_buf.index;
}
unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
{
unsigned long base;
- struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb);
+ struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0);
base = saa7134_buffer_startpage(buf) * 4096;
- base += dma->sglist[0].offset;
+ base += dma->sgl[0].offset;
return base;
}
@@ -242,9 +242,11 @@ int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
BUG_ON(NULL == pt || NULL == pt->cpu);
ptr = pt->cpu + startpage;
- for (i = 0; i < length; i++, list++)
+ for (i = 0; i < length; i++, list = sg_next(list)) {
for (p = 0; p * 4096 < list->length; p++, ptr++)
- *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
+ *ptr = cpu_to_le32(sg_dma_address(list) +
+ list->offset + p * 4096);
+ }
return 0;
}
@@ -258,44 +260,31 @@ void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
/* ------------------------------------------------------------------ */
-void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf)
-{
- struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
- BUG_ON(in_interrupt());
-
- videobuf_waiton(q, &buf->vb, 0, 0);
- videobuf_dma_unmap(q->dev, dma);
- videobuf_dma_free(dma);
- buf->vb.state = VIDEOBUF_NEEDS_INIT;
-}
-
-/* ------------------------------------------------------------------ */
-
int saa7134_buffer_queue(struct saa7134_dev *dev,
struct saa7134_dmaqueue *q,
struct saa7134_buf *buf)
{
struct saa7134_buf *next = NULL;
+ unsigned long flags;
- assert_spin_locked(&dev->slock);
+ spin_lock_irqsave(&dev->slock, flags);
dprintk("buffer_queue %p\n", buf);
if (NULL == q->curr) {
if (!q->need_two) {
q->curr = buf;
buf->activate(dev, buf, NULL);
} else if (list_empty(&q->queue)) {
- list_add_tail(&buf->vb.queue,&q->queue);
- buf->vb.state = VIDEOBUF_QUEUED;
+ list_add_tail(&buf->entry, &q->queue);
} else {
next = list_entry(q->queue.next, struct saa7134_buf,
- vb.queue);
+ entry);
q->curr = buf;
buf->activate(dev, buf, next);
}
} else {
- list_add_tail(&buf->vb.queue, &q->queue);
- buf->vb.state = VIDEOBUF_QUEUED;
+ list_add_tail(&buf->entry, &q->queue);
}
+ spin_unlock_irqrestore(&dev->slock, flags);
return 0;
}
@@ -303,13 +292,12 @@ void saa7134_buffer_finish(struct saa7134_dev *dev,
struct saa7134_dmaqueue *q,
unsigned int state)
{
- assert_spin_locked(&dev->slock);
dprintk("buffer_finish %p\n", q->curr);
/* finish current buffer */
- q->curr->vb.state = state;
- v4l2_get_timestamp(&q->curr->vb.ts);
- wake_up(&q->curr->vb.done);
+ v4l2_get_timestamp(&q->curr->vb2.v4l2_buf.timestamp);
+ q->curr->vb2.v4l2_buf.sequence = q->seq_nr++;
+ vb2_buffer_done(&q->curr->vb2, state);
q->curr = NULL;
}
@@ -323,13 +311,12 @@ void saa7134_buffer_next(struct saa7134_dev *dev,
if (!list_empty(&q->queue)) {
/* activate next one from queue */
- buf = list_entry(q->queue.next, struct saa7134_buf, vb.queue);
+ buf = list_entry(q->queue.next, struct saa7134_buf, entry);
dprintk("buffer_next %p [prev=%p/next=%p]\n",
buf, q->queue.prev, q->queue.next);
- list_del(&buf->vb.queue);
+ list_del(&buf->entry);
if (!list_empty(&q->queue))
- next = list_entry(q->queue.next, struct saa7134_buf,
- vb.queue);
+ next = list_entry(q->queue.next, struct saa7134_buf, entry);
q->curr = buf;
buf->activate(dev, buf, next);
dprintk("buffer_next #2 prev=%p/next=%p\n",
@@ -339,10 +326,6 @@ void saa7134_buffer_next(struct saa7134_dev *dev,
dprintk("buffer_next %p\n", NULL);
saa7134_set_dmabits(dev);
del_timer(&q->timeout);
-
- if (card_has_mpeg(dev))
- if (dev->ts_started)
- saa7134_ts_stop(dev);
}
}
@@ -363,12 +346,32 @@ void saa7134_buffer_timeout(unsigned long data)
try to start over with the next one. */
if (q->curr) {
dprintk("timeout on %p\n", q->curr);
- saa7134_buffer_finish(dev, q, VIDEOBUF_ERROR);
+ saa7134_buffer_finish(dev, q, VB2_BUF_STATE_ERROR);
}
saa7134_buffer_next(dev, q);
spin_unlock_irqrestore(&dev->slock, flags);
}
+void saa7134_stop_streaming(struct saa7134_dev *dev, struct saa7134_dmaqueue *q)
+{
+ unsigned long flags;
+ struct list_head *pos, *n;
+ struct saa7134_buf *tmp;
+
+ spin_lock_irqsave(&dev->slock, flags);
+ if (!list_empty(&q->queue)) {
+ list_for_each_safe(pos, n, &q->queue) {
+ tmp = list_entry(pos, struct saa7134_buf, entry);
+ vb2_buffer_done(&tmp->vb2, VB2_BUF_STATE_ERROR);
+ list_del(pos);
+ tmp = NULL;
+ }
+ }
+ spin_unlock_irqrestore(&dev->slock, flags);
+ saa7134_buffer_timeout((unsigned long)q); /* also calls del_timer(&q->timeout) */
+}
+EXPORT_SYMBOL_GPL(saa7134_stop_streaming);
+
/* ------------------------------------------------------------------ */
int saa7134_set_dmabits(struct saa7134_dev *dev)
@@ -388,7 +391,7 @@ int saa7134_set_dmabits(struct saa7134_dev *dev)
ctrl |= SAA7134_MAIN_CTRL_TE0;
irq |= SAA7134_IRQ1_INTE_RA0_1 |
SAA7134_IRQ1_INTE_RA0_0;
- cap = dev->video_q.curr->vb.field;
+ cap = dev->field;
}
/* video capture -- dma 1+2 (planar modes) */
@@ -1046,6 +1049,8 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
dev->video_dev->ctrl_handler = &dev->ctrl_handler;
+ dev->video_dev->lock = &dev->lock;
+ dev->video_dev->queue = &dev->video_vbq;
err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
video_nr[dev->nr]);
if (err < 0) {
@@ -1058,6 +1063,8 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
dev->vbi_dev->ctrl_handler = &dev->ctrl_handler;
+ dev->vbi_dev->lock = &dev->lock;
+ dev->vbi_dev->queue = &dev->vbi_vbq;
err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
vbi_nr[dev->nr]);
@@ -1069,6 +1076,7 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
if (card_has_radio(dev)) {
dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler;
+ dev->radio_dev->lock = &dev->lock;
err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
radio_nr[dev->nr]);
if (err < 0)
@@ -1188,7 +1196,7 @@ static int saa7134_buffer_requeue(struct saa7134_dev *dev,
if (!list_empty(&q->queue))
next = list_entry(q->queue.next, struct saa7134_buf,
- vb.queue);
+ entry);
buf->activate(dev, buf, next);
return 0;
diff --git a/drivers/media/pci/saa7134/saa7134-dvb.c b/drivers/media/pci/saa7134/saa7134-dvb.c
index eb48b1f097fb..73ffbabf831c 100644
--- a/drivers/media/pci/saa7134/saa7134-dvb.c
+++ b/drivers/media/pci/saa7134/saa7134-dvb.c
@@ -602,10 +602,10 @@ static int configure_tda827x_fe(struct saa7134_dev *dev,
struct tda1004x_config *cdec_conf,
struct tda827x_config *tuner_conf)
{
- struct videobuf_dvb_frontend *fe0;
+ struct vb2_dvb_frontend *fe0;
/* Get the first frontend */
- fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);
+ fe0 = vb2_dvb_get_frontend(&dev->frontends, 1);
if (!fe0)
return -EINVAL;
@@ -1215,29 +1215,38 @@ static int dvb_init(struct saa7134_dev *dev)
{
int ret;
int attach_xc3028 = 0;
- struct videobuf_dvb_frontend *fe0;
+ struct vb2_dvb_frontend *fe0;
+ struct vb2_queue *q;
/* FIXME: add support for multi-frontend */
mutex_init(&dev->frontends.lock);
INIT_LIST_HEAD(&dev->frontends.felist);
printk(KERN_INFO "%s() allocating 1 frontend\n", __func__);
- fe0 = videobuf_dvb_alloc_frontend(&dev->frontends, 1);
+ fe0 = vb2_dvb_alloc_frontend(&dev->frontends, 1);
if (!fe0) {
printk(KERN_ERR "%s() failed to alloc\n", __func__);
return -ENOMEM;
}
- /* init struct videobuf_dvb */
+ /* init struct vb2_dvb */
dev->ts.nr_bufs = 32;
dev->ts.nr_packets = 32*4;
fe0->dvb.name = dev->name;
- videobuf_queue_sg_init(&fe0->dvb.dvbq, &saa7134_ts_qops,
- &dev->pci->dev, &dev->slock,
- V4L2_BUF_TYPE_VIDEO_CAPTURE,
- V4L2_FIELD_ALTERNATE,
- sizeof(struct saa7134_buf),
- &dev->ts_q, NULL);
+ q = &fe0->dvb.dvbq;
+ q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ q->io_modes = VB2_MMAP | VB2_READ;
+ q->drv_priv = &dev->ts_q;
+ q->ops = &saa7134_ts_qops;
+ q->mem_ops = &vb2_dma_sg_memops;
+ q->buf_struct_size = sizeof(struct saa7134_buf);
+ q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ q->lock = &dev->lock;
+ ret = vb2_queue_init(q);
+ if (ret) {
+ vb2_dvb_dealloc_frontends(&dev->frontends);
+ return ret;
+ }
switch (dev->board) {
case SAA7134_BOARD_PINNACLE_300I_DVBT_PAL:
@@ -1876,7 +1885,7 @@ static int dvb_init(struct saa7134_dev *dev)
fe0->dvb.frontend->callback = saa7134_tuner_callback;
/* register everything else */
- ret = videobuf_dvb_register_bus(&dev->frontends, THIS_MODULE, dev,
+ ret = vb2_dvb_register_bus(&dev->frontends, THIS_MODULE, dev,
&dev->pci->dev, adapter_nr, 0);
/* this sequence is necessary to make the tda1004x load its firmware
@@ -1893,16 +1902,17 @@ static int dvb_init(struct saa7134_dev *dev)
return ret;
detach_frontend:
- videobuf_dvb_dealloc_frontends(&dev->frontends);
+ vb2_dvb_dealloc_frontends(&dev->frontends);
+ vb2_queue_release(&fe0->dvb.dvbq);
return -EINVAL;
}
static int dvb_fini(struct saa7134_dev *dev)
{
- struct videobuf_dvb_frontend *fe0;
+ struct vb2_dvb_frontend *fe0;
/* Get the first frontend */
- fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);
+ fe0 = vb2_dvb_get_frontend(&dev->frontends, 1);
if (!fe0)
return -EINVAL;
@@ -1933,7 +1943,8 @@ static int dvb_fini(struct saa7134_dev *dev)
}
}
}
- videobuf_dvb_unregister_bus(&dev->frontends);
+ vb2_dvb_unregister_bus(&dev->frontends);
+ vb2_queue_release(&fe0->dvb.dvbq);
return 0;
}
diff --git a/drivers/media/pci/saa7134/saa7134-empress.c b/drivers/media/pci/saa7134/saa7134-empress.c
index c84dece3342a..e65c760e4e8b 100644
--- a/drivers/media/pci/saa7134/saa7134-empress.c
+++ b/drivers/media/pci/saa7134/saa7134-empress.c
@@ -48,11 +48,16 @@ MODULE_PARM_DESC(debug,"enable debug messages");
/* ------------------------------------------------------------------ */
-static void ts_reset_encoder(struct saa7134_dev* dev);
-
-static int ts_init_encoder(struct saa7134_dev* dev)
+static int start_streaming(struct vb2_queue *vq, unsigned int count)
{
+ struct saa7134_dmaqueue *dmaq = vq->drv_priv;
+ struct saa7134_dev *dev = dmaq->dev;
u32 leading_null_bytes = 0;
+ int err;
+
+ err = saa7134_ts_start_streaming(vq, count);
+ if (err)
+ return err;
/* If more cards start to need this, then this
should probably be added to the card definitions. */
@@ -63,109 +68,43 @@ static int ts_init_encoder(struct saa7134_dev* dev)
leading_null_bytes = 1;
break;
}
- ts_reset_encoder(dev);
saa_call_all(dev, core, init, leading_null_bytes);
+ /* Unmute audio */
+ saa_writeb(SAA7134_AUDIO_MUTE_CTRL,
+ saa_readb(SAA7134_AUDIO_MUTE_CTRL) & ~(1 << 6));
dev->empress_started = 1;
return 0;
}
-static void ts_reset_encoder(struct saa7134_dev* dev)
+static void stop_streaming(struct vb2_queue *vq)
{
- if (!dev->empress_started)
- return;
+ struct saa7134_dmaqueue *dmaq = vq->drv_priv;
+ struct saa7134_dev *dev = dmaq->dev;
+ saa7134_ts_stop_streaming(vq);
saa_writeb(SAA7134_SPECIAL_MODE, 0x00);
- msleep(10);
+ msleep(20);
saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
msleep(100);
- dev->empress_started = 0;
-}
-
-/* ------------------------------------------------------------------ */
-
-static int ts_open(struct file *file)
-{
- struct video_device *vdev = video_devdata(file);
- struct saa7134_dev *dev = video_drvdata(file);
- struct saa7134_fh *fh;
-
- /* allocate + initialize per filehandle data */
- fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh)
- return -ENOMEM;
-
- v4l2_fh_init(&fh->fh, vdev);
- file->private_data = fh;
- fh->is_empress = true;
- v4l2_fh_add(&fh->fh);
-
- /* Unmute audio */
+ /* Mute audio */
saa_writeb(SAA7134_AUDIO_MUTE_CTRL,
- saa_readb(SAA7134_AUDIO_MUTE_CTRL) & ~(1 << 6));
-
- return 0;
-}
-
-static int ts_release(struct file *file)
-{
- struct saa7134_dev *dev = video_drvdata(file);
- struct saa7134_fh *fh = file->private_data;
-
- if (res_check(fh, RESOURCE_EMPRESS)) {
- videobuf_stop(&dev->empress_vbq);
- videobuf_mmap_free(&dev->empress_vbq);
-
- /* stop the encoder */
- ts_reset_encoder(dev);
-
- /* Mute audio */
- saa_writeb(SAA7134_AUDIO_MUTE_CTRL,
- saa_readb(SAA7134_AUDIO_MUTE_CTRL) | (1 << 6));
- }
-
- v4l2_fh_del(&fh->fh);
- v4l2_fh_exit(&fh->fh);
- return 0;
-}
-
-static ssize_t
-ts_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
-{
- struct saa7134_dev *dev = video_drvdata(file);
-
- if (res_locked(dev, RESOURCE_EMPRESS))
- return -EBUSY;
- if (!dev->empress_started)
- ts_init_encoder(dev);
-
- return videobuf_read_stream(&dev->empress_vbq,
- data, count, ppos, 0,
- file->f_flags & O_NONBLOCK);
-}
-
-static unsigned int
-ts_poll(struct file *file, struct poll_table_struct *wait)
-{
- unsigned long req_events = poll_requested_events(wait);
- struct saa7134_dev *dev = video_drvdata(file);
- struct saa7134_fh *fh = file->private_data;
- unsigned int rc = 0;
-
- if (v4l2_event_pending(&fh->fh))
- rc = POLLPRI;
- else if (req_events & POLLPRI)
- poll_wait(file, &fh->fh.wait, wait);
- return rc | videobuf_poll_stream(file, &dev->empress_vbq, wait);
+ saa_readb(SAA7134_AUDIO_MUTE_CTRL) | (1 << 6));
+ dev->empress_started = 0;
}
+static struct vb2_ops saa7134_empress_qops = {
+ .queue_setup = saa7134_ts_queue_setup,
+ .buf_init = saa7134_ts_buffer_init,
+ .buf_prepare = saa7134_ts_buffer_prepare,
+ .buf_finish = saa7134_ts_buffer_finish,
+ .buf_queue = saa7134_vb2_buffer_queue,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+ .start_streaming = start_streaming,
+ .stop_streaming = stop_streaming,
+};
-static int
-ts_mmap(struct file *file, struct vm_area_struct * vma)
-{
- struct saa7134_dev *dev = video_drvdata(file);
-
- return videobuf_mmap_mapper(&dev->empress_vbq, vma);
-}
+/* ------------------------------------------------------------------ */
static int empress_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
@@ -235,11 +174,11 @@ static int empress_try_fmt_vid_cap(struct file *file, void *priv,
static const struct v4l2_file_operations ts_fops =
{
.owner = THIS_MODULE,
- .open = ts_open,
- .release = ts_release,
- .read = ts_read,
- .poll = ts_poll,
- .mmap = ts_mmap,
+ .open = v4l2_fh_open,
+ .release = vb2_fop_release,
+ .read = vb2_fop_read,
+ .poll = vb2_fop_poll,
+ .mmap = vb2_fop_mmap,
.ioctl = video_ioctl2,
};
@@ -249,12 +188,12 @@ static const struct v4l2_ioctl_ops ts_ioctl_ops = {
.vidioc_try_fmt_vid_cap = empress_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = empress_s_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = empress_g_fmt_vid_cap,
- .vidioc_reqbufs = saa7134_reqbufs,
- .vidioc_querybuf = saa7134_querybuf,
- .vidioc_qbuf = saa7134_qbuf,
- .vidioc_dqbuf = saa7134_dqbuf,
- .vidioc_streamon = saa7134_streamon,
- .vidioc_streamoff = saa7134_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_g_frequency = saa7134_g_frequency,
.vidioc_s_frequency = saa7134_s_frequency,
.vidioc_g_tuner = saa7134_g_tuner,
@@ -317,6 +256,7 @@ static bool empress_ctrl_filter(const struct v4l2_ctrl *ctrl)
static int empress_init(struct saa7134_dev *dev)
{
struct v4l2_ctrl_handler *hdl = &dev->empress_ctrl_handler;
+ struct vb2_queue *q;
int err;
dprintk("%s: %s\n",dev->name,__func__);
@@ -326,6 +266,7 @@ static int empress_init(struct saa7134_dev *dev)
*(dev->empress_dev) = saa7134_empress_template;
dev->empress_dev->v4l2_dev = &dev->v4l2_dev;
dev->empress_dev->release = video_device_release;
+ dev->empress_dev->lock = &dev->lock;
snprintf(dev->empress_dev->name, sizeof(dev->empress_dev->name),
"%s empress (%s)", dev->name,
saa7134_boards[dev->board].name);
@@ -342,6 +283,26 @@ static int empress_init(struct saa7134_dev *dev)
INIT_WORK(&dev->empress_workqueue, empress_signal_update);
+ q = &dev->empress_vbq;
+ q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ /*
+ * Do not add VB2_USERPTR: the saa7134 DMA engine cannot handle
+ * transfers that do not start at the beginning of a page. A USERPTR
+ * can start anywhere in a page, so USERPTR support is a no-go.
+ */
+ q->io_modes = VB2_MMAP | VB2_READ;
+ q->drv_priv = &dev->ts_q;
+ q->ops = &saa7134_empress_qops;
+ q->gfp_flags = GFP_DMA32;
+ q->mem_ops = &vb2_dma_sg_memops;
+ q->buf_struct_size = sizeof(struct saa7134_buf);
+ q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ q->lock = &dev->lock;
+ err = vb2_queue_init(q);
+ if (err)
+ return err;
+ dev->empress_dev->queue = q;
+
video_set_drvdata(dev->empress_dev, dev);
err = video_register_device(dev->empress_dev,VFL_TYPE_GRABBER,
empress_nr[dev->nr]);
@@ -355,13 +316,6 @@ static int empress_init(struct saa7134_dev *dev)
printk(KERN_INFO "%s: registered device %s [mpeg]\n",
dev->name, video_device_node_name(dev->empress_dev));
- videobuf_queue_sg_init(&dev->empress_vbq, &saa7134_ts_qops,
- &dev->pci->dev, &dev->slock,
- V4L2_BUF_TYPE_VIDEO_CAPTURE,
- V4L2_FIELD_ALTERNATE,
- sizeof(struct saa7134_buf),
- &dev->ts_q, NULL);
-
empress_signal_update(&dev->empress_workqueue);
return 0;
}
@@ -374,6 +328,7 @@ static int empress_fini(struct saa7134_dev *dev)
return 0;
flush_work(&dev->empress_workqueue);
video_unregister_device(dev->empress_dev);
+ vb2_queue_release(&dev->empress_vbq);
v4l2_ctrl_handler_free(&dev->empress_ctrl_handler);
dev->empress_dev = NULL;
return 0;
diff --git a/drivers/media/pci/saa7134/saa7134-ts.c b/drivers/media/pci/saa7134/saa7134-ts.c
index 8ac4fdac6f97..bd25323bd947 100644
--- a/drivers/media/pci/saa7134/saa7134-ts.c
+++ b/drivers/media/pci/saa7134/saa7134-ts.c
@@ -39,26 +39,29 @@ MODULE_PARM_DESC(ts_debug,"enable debug messages [ts]");
printk(KERN_DEBUG "%s/ts: " fmt, dev->name , ## arg)
/* ------------------------------------------------------------------ */
-
static int buffer_activate(struct saa7134_dev *dev,
struct saa7134_buf *buf,
struct saa7134_buf *next)
{
dprintk("buffer_activate [%p]",buf);
- buf->vb.state = VIDEOBUF_ACTIVE;
buf->top_seen = 0;
+ if (!dev->ts_started)
+ dev->ts_field = V4L2_FIELD_TOP;
+
if (NULL == next)
next = buf;
- if (V4L2_FIELD_TOP == buf->vb.field) {
+ if (V4L2_FIELD_TOP == dev->ts_field) {
dprintk("- [top] buf=%p next=%p\n",buf,next);
saa_writel(SAA7134_RS_BA1(5),saa7134_buffer_base(buf));
saa_writel(SAA7134_RS_BA2(5),saa7134_buffer_base(next));
+ dev->ts_field = V4L2_FIELD_BOTTOM;
} else {
dprintk("- [bottom] buf=%p next=%p\n",buf,next);
saa_writel(SAA7134_RS_BA1(5),saa7134_buffer_base(next));
saa_writel(SAA7134_RS_BA2(5),saa7134_buffer_base(buf));
+ dev->ts_field = V4L2_FIELD_TOP;
}
/* start DMA */
@@ -72,99 +75,123 @@ static int buffer_activate(struct saa7134_dev *dev,
return 0;
}
-static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
- enum v4l2_field field)
+int saa7134_ts_buffer_init(struct vb2_buffer *vb2)
+{
+ struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
+ struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
+
+ dmaq->curr = NULL;
+ buf->activate = buffer_activate;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(saa7134_ts_buffer_init);
+
+int saa7134_ts_buffer_prepare(struct vb2_buffer *vb2)
{
- struct saa7134_dmaqueue *dmaq = q->priv_data;
+ struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
struct saa7134_dev *dev = dmaq->dev;
- struct saa7134_buf *buf = container_of(vb, struct saa7134_buf, vb);
+ struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
+ struct sg_table *dma = vb2_dma_sg_plane_desc(vb2, 0);
unsigned int lines, llength, size;
- int err;
+ int ret;
- dprintk("buffer_prepare [%p,%s]\n", buf, v4l2_field_names[field]);
+ dprintk("buffer_prepare [%p]\n", buf);
llength = TS_PACKET_SIZE;
lines = dev->ts.nr_packets;
size = lines * llength;
- if (0 != buf->vb.baddr && buf->vb.bsize < size)
+ if (vb2_plane_size(vb2, 0) < size)
return -EINVAL;
- if (buf->vb.size != size) {
- saa7134_dma_free(q,buf);
- }
-
- if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
+ vb2_set_plane_payload(vb2, 0, size);
+ vb2->v4l2_buf.field = dev->field;
- struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
-
- dprintk("buffer_prepare: needs_init\n");
-
- buf->vb.width = llength;
- buf->vb.height = lines;
- buf->vb.size = size;
-
- err = videobuf_iolock(q,&buf->vb,NULL);
- if (err)
- goto oops;
- err = saa7134_pgtable_build(dev->pci, &dmaq->pt,
- dma->sglist,
- dma->sglen,
- saa7134_buffer_startpage(buf));
- if (err)
- goto oops;
- }
-
- buf->vb.state = VIDEOBUF_PREPARED;
- buf->activate = buffer_activate;
- buf->vb.field = field;
- return 0;
-
- oops:
- saa7134_dma_free(q,buf);
- return err;
+ ret = dma_map_sg(&dev->pci->dev, dma->sgl, dma->nents, DMA_FROM_DEVICE);
+ if (!ret)
+ return -EIO;
+ return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,
+ saa7134_buffer_startpage(buf));
}
+EXPORT_SYMBOL_GPL(saa7134_ts_buffer_prepare);
-static int
-buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
+void saa7134_ts_buffer_finish(struct vb2_buffer *vb2)
{
- struct saa7134_dmaqueue *dmaq = q->priv_data;
+ struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
struct saa7134_dev *dev = dmaq->dev;
+ struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
+ struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0);
- *size = TS_PACKET_SIZE * dev->ts.nr_packets;
- if (0 == *count)
- *count = dev->ts.nr_bufs;
- *count = saa7134_buffer_count(*size,*count);
+ dma_unmap_sg(&dev->pci->dev, dma->sgl, dma->nents, DMA_FROM_DEVICE);
+}
+EXPORT_SYMBOL_GPL(saa7134_ts_buffer_finish);
+int saa7134_ts_queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
+ unsigned int *nbuffers, unsigned int *nplanes,
+ unsigned int sizes[], void *alloc_ctxs[])
+{
+ struct saa7134_dmaqueue *dmaq = q->drv_priv;
+ struct saa7134_dev *dev = dmaq->dev;
+ int size = TS_PACKET_SIZE * dev->ts.nr_packets;
+
+ if (0 == *nbuffers)
+ *nbuffers = dev->ts.nr_bufs;
+ *nbuffers = saa7134_buffer_count(size, *nbuffers);
+ if (*nbuffers < 3)
+ *nbuffers = 3;
+ *nplanes = 1;
+ sizes[0] = size;
return 0;
}
+EXPORT_SYMBOL_GPL(saa7134_ts_queue_setup);
-static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
+int saa7134_ts_start_streaming(struct vb2_queue *vq, unsigned int count)
{
- struct saa7134_dmaqueue *dmaq = q->priv_data;
+ struct saa7134_dmaqueue *dmaq = vq->drv_priv;
struct saa7134_dev *dev = dmaq->dev;
- struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
- saa7134_buffer_queue(dev,&dev->ts_q,buf);
+ /*
+ * Planar video capture and TS share the same DMA channel,
+ * so only one can be active at a time.
+ */
+ if (vb2_is_busy(&dev->video_vbq) && dev->fmt->planar) {
+ struct saa7134_buf *buf, *tmp;
+
+ list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) {
+ list_del(&buf->entry);
+ vb2_buffer_done(&buf->vb2, VB2_BUF_STATE_QUEUED);
+ }
+ if (dmaq->curr) {
+ vb2_buffer_done(&dmaq->curr->vb2, VB2_BUF_STATE_QUEUED);
+ dmaq->curr = NULL;
+ }
+ return -EBUSY;
+ }
+ dmaq->seq_nr = 0;
+ return 0;
}
+EXPORT_SYMBOL_GPL(saa7134_ts_start_streaming);
-static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
+void saa7134_ts_stop_streaming(struct vb2_queue *vq)
{
- struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
- struct saa7134_dmaqueue *dmaq = q->priv_data;
+ struct saa7134_dmaqueue *dmaq = vq->drv_priv;
struct saa7134_dev *dev = dmaq->dev;
- if (dev->ts_started)
- saa7134_ts_stop(dev);
-
- saa7134_dma_free(q,buf);
+ saa7134_ts_stop(dev);
+ saa7134_stop_streaming(dev, dmaq);
}
-
-struct videobuf_queue_ops saa7134_ts_qops = {
- .buf_setup = buffer_setup,
- .buf_prepare = buffer_prepare,
- .buf_queue = buffer_queue,
- .buf_release = buffer_release,
+EXPORT_SYMBOL_GPL(saa7134_ts_stop_streaming);
+
+struct vb2_ops saa7134_ts_qops = {
+ .queue_setup = saa7134_ts_queue_setup,
+ .buf_init = saa7134_ts_buffer_init,
+ .buf_prepare = saa7134_ts_buffer_prepare,
+ .buf_finish = saa7134_ts_buffer_finish,
+ .buf_queue = saa7134_vb2_buffer_queue,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+ .stop_streaming = saa7134_ts_stop_streaming,
};
EXPORT_SYMBOL_GPL(saa7134_ts_qops);
@@ -229,7 +256,8 @@ int saa7134_ts_stop(struct saa7134_dev *dev)
{
dprintk("TS stop\n");
- BUG_ON(!dev->ts_started);
+ if (!dev->ts_started)
+ return 0;
/* Stop TS stream */
switch (saa7134_boards[dev->board].ts_type) {
@@ -250,7 +278,8 @@ int saa7134_ts_start(struct saa7134_dev *dev)
{
dprintk("TS start\n");
- BUG_ON(dev->ts_started);
+ if (WARN_ON(dev->ts_started))
+ return 0;
/* dma: setup channel 5 (= TS) */
saa_writeb(SAA7134_TS_DMA0, (dev->ts.nr_packets - 1) & 0xff);
@@ -306,15 +335,15 @@ void saa7134_irq_ts_done(struct saa7134_dev *dev, unsigned long status)
spin_lock(&dev->slock);
if (dev->ts_q.curr) {
- field = dev->ts_q.curr->vb.field;
- if (field == V4L2_FIELD_TOP) {
+ field = dev->ts_field;
+ if (field != V4L2_FIELD_TOP) {
if ((status & 0x100000) != 0x000000)
goto done;
} else {
if ((status & 0x100000) != 0x100000)
goto done;
}
- saa7134_buffer_finish(dev, &dev->ts_q, VIDEOBUF_DONE);
+ saa7134_buffer_finish(dev, &dev->ts_q, VB2_BUF_STATE_DONE);
}
saa7134_buffer_next(dev,&dev->ts_q);
diff --git a/drivers/media/pci/saa7134/saa7134-vbi.c b/drivers/media/pci/saa7134/saa7134-vbi.c
index 4954a5483299..4479af5e4b9c 100644
--- a/drivers/media/pci/saa7134/saa7134-vbi.c
+++ b/drivers/media/pci/saa7134/saa7134-vbi.c
@@ -81,10 +81,10 @@ static int buffer_activate(struct saa7134_dev *dev,
struct saa7134_buf *buf,
struct saa7134_buf *next)
{
+ struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_queue->drv_priv;
unsigned long control, base;
dprintk("buffer_activate [%p]\n", buf);
- buf->vb.state = VIDEOBUF_ACTIVE;
buf->top_seen = 0;
task_init(dev, buf, TASK_A);
@@ -96,7 +96,7 @@ static int buffer_activate(struct saa7134_dev *dev,
base = saa7134_buffer_base(buf);
control = SAA7134_RS_CONTROL_BURST_16 |
SAA7134_RS_CONTROL_ME |
- (dev->vbi_q.pt.dma >> 12);
+ (dmaq->pt.dma >> 12);
saa_writel(SAA7134_RS_BA1(2), base);
saa_writel(SAA7134_RS_BA2(2), base + dev->vbi_hlen * dev->vbi_vlen);
saa_writel(SAA7134_RS_PITCH(2), dev->vbi_hlen);
@@ -108,93 +108,83 @@ static int buffer_activate(struct saa7134_dev *dev,
/* start DMA */
saa7134_set_dmabits(dev);
- mod_timer(&dev->vbi_q.timeout, jiffies + BUFFER_TIMEOUT);
+ mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT);
return 0;
}
-static int buffer_prepare(struct videobuf_queue *q,
- struct videobuf_buffer *vb,
- enum v4l2_field field)
+static int buffer_prepare(struct vb2_buffer *vb2)
{
- struct saa7134_dmaqueue *dmaq = q->priv_data;
+ struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
struct saa7134_dev *dev = dmaq->dev;
- struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
+ struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
+ struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0);
unsigned int size;
- int err;
+ int ret;
size = dev->vbi_hlen * dev->vbi_vlen * 2;
- if (0 != buf->vb.baddr && buf->vb.bsize < size)
+ if (vb2_plane_size(vb2, 0) < size)
return -EINVAL;
- if (buf->vb.size != size)
- saa7134_dma_free(q,buf);
-
- if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
- struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
-
- buf->vb.width = dev->vbi_hlen;
- buf->vb.height = dev->vbi_vlen;
- buf->vb.size = size;
-
- err = videobuf_iolock(q,&buf->vb,NULL);
- if (err)
- goto oops;
- err = saa7134_pgtable_build(dev->pci, &dmaq->pt,
- dma->sglist,
- dma->sglen,
- saa7134_buffer_startpage(buf));
- if (err)
- goto oops;
- }
- buf->vb.state = VIDEOBUF_PREPARED;
- buf->activate = buffer_activate;
- buf->vb.field = field;
- return 0;
+ vb2_set_plane_payload(vb2, 0, size);
- oops:
- saa7134_dma_free(q,buf);
- return err;
+ ret = dma_map_sg(&dev->pci->dev, dma->sgl, dma->nents, DMA_FROM_DEVICE);
+ if (!ret)
+ return -EIO;
+ return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,
+ saa7134_buffer_startpage(buf));
}
-static int
-buffer_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 *nbuffers, unsigned int *nplanes,
+ unsigned int sizes[], void *alloc_ctxs[])
{
- struct saa7134_dmaqueue *dmaq = q->priv_data;
+ struct saa7134_dmaqueue *dmaq = q->drv_priv;
struct saa7134_dev *dev = dmaq->dev;
+ unsigned int size;
dev->vbi_vlen = dev->tvnorm->vbi_v_stop_0 - dev->tvnorm->vbi_v_start_0 + 1;
if (dev->vbi_vlen > VBI_LINE_COUNT)
dev->vbi_vlen = VBI_LINE_COUNT;
dev->vbi_hlen = VBI_LINE_LENGTH;
- *size = dev->vbi_hlen * dev->vbi_vlen * 2;
- if (0 == *count)
- *count = vbibufs;
- *count = saa7134_buffer_count(*size,*count);
+ size = dev->vbi_hlen * dev->vbi_vlen * 2;
+
+ *nbuffers = saa7134_buffer_count(size, *nbuffers);
+ *nplanes = 1;
+ sizes[0] = size;
return 0;
}
-static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
+static int buffer_init(struct vb2_buffer *vb2)
{
- struct saa7134_dmaqueue *dmaq = q->priv_data;
- struct saa7134_dev *dev = dmaq->dev;
- struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
+ struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
+ struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
- saa7134_buffer_queue(dev,&dev->vbi_q,buf);
+ dmaq->curr = NULL;
+ buf->activate = buffer_activate;
+ return 0;
}
-static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
+static void buffer_finish(struct vb2_buffer *vb2)
{
- struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
+ struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
+ struct saa7134_dev *dev = dmaq->dev;
+ struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
+ struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0);
- saa7134_dma_free(q,buf);
+ dma_unmap_sg(&dev->pci->dev, dma->sgl, dma->nents, DMA_FROM_DEVICE);
}
-struct videobuf_queue_ops saa7134_vbi_qops = {
- .buf_setup = buffer_setup,
- .buf_prepare = buffer_prepare,
- .buf_queue = buffer_queue,
- .buf_release = buffer_release,
+struct vb2_ops saa7134_vbi_qops = {
+ .queue_setup = queue_setup,
+ .buf_init = buffer_init,
+ .buf_prepare = buffer_prepare,
+ .buf_finish = buffer_finish,
+ .buf_queue = saa7134_vb2_buffer_queue,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+ .start_streaming = saa7134_vb2_start_streaming,
+ .stop_streaming = saa7134_vb2_stop_streaming,
};
/* ------------------------------------------------------------------ */
@@ -224,7 +214,6 @@ void saa7134_irq_vbi_done(struct saa7134_dev *dev, unsigned long status)
{
spin_lock(&dev->slock);
if (dev->vbi_q.curr) {
- dev->vbi_fieldcount++;
/* make sure we have seen both fields */
if ((status & 0x10) == 0x00) {
dev->vbi_q.curr->top_seen = 1;
@@ -233,8 +222,7 @@ void saa7134_irq_vbi_done(struct saa7134_dev *dev, unsigned long status)
if (!dev->vbi_q.curr->top_seen)
goto done;
- dev->vbi_q.curr->vb.field_count = dev->vbi_fieldcount;
- saa7134_buffer_finish(dev, &dev->vbi_q, VIDEOBUF_DONE);
+ saa7134_buffer_finish(dev, &dev->vbi_q, VB2_BUF_STATE_DONE);
}
saa7134_buffer_next(dev, &dev->vbi_q);
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
index 26cb7a56635d..1f63f95c9a82 100644
--- a/drivers/media/pci/saa7134/saa7134-video.c
+++ b/drivers/media/pci/saa7134/saa7134-video.c
@@ -381,42 +381,6 @@ static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
return NULL;
}
-/* ----------------------------------------------------------------------- */
-/* resource management */
-
-static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
-{
- if (fh->resources & bit)
- /* have it already allocated */
- return 1;
-
- /* 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;
- dprintk("res: get %d\n",bit);
- mutex_unlock(&dev->lock);
- return 1;
-}
-
-static
-void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
-{
- BUG_ON((fh->resources & bits) != bits);
-
- mutex_lock(&dev->lock);
- fh->resources &= ~bits;
- dev->resources &= ~bits;
- dprintk("res: put %d\n",bits);
- mutex_unlock(&dev->lock);
-}
-
/* ------------------------------------------------------------------ */
static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
@@ -824,15 +788,15 @@ static int buffer_activate(struct saa7134_dev *dev,
struct saa7134_buf *buf,
struct saa7134_buf *next)
{
+ struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_queue->drv_priv;
unsigned long base,control,bpl;
unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
dprintk("buffer_activate buf=%p\n",buf);
- buf->vb.state = VIDEOBUF_ACTIVE;
buf->top_seen = 0;
- set_size(dev, TASK_A, buf->vb.width, buf->vb.height,
- V4L2_FIELD_HAS_BOTH(buf->vb.field));
+ set_size(dev, TASK_A, dev->width, dev->height,
+ V4L2_FIELD_HAS_BOTH(dev->field));
if (dev->fmt->yuv)
saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
else
@@ -842,17 +806,17 @@ static int buffer_activate(struct saa7134_dev *dev,
/* DMA: setup channel 0 (= Video Task A0) */
base = saa7134_buffer_base(buf);
if (dev->fmt->planar)
- bpl = buf->vb.width;
+ bpl = dev->width;
else
- bpl = (buf->vb.width * dev->fmt->depth) / 8;
+ bpl = (dev->width * dev->fmt->depth) / 8;
control = SAA7134_RS_CONTROL_BURST_16 |
SAA7134_RS_CONTROL_ME |
- (dev->video_q.pt.dma >> 12);
+ (dmaq->pt.dma >> 12);
if (dev->fmt->bswap)
control |= SAA7134_RS_CONTROL_BSWAP;
if (dev->fmt->wswap)
control |= SAA7134_RS_CONTROL_WSWAP;
- if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
+ if (V4L2_FIELD_HAS_BOTH(dev->field)) {
/* interlaced */
saa_writel(SAA7134_RS_BA1(0),base);
saa_writel(SAA7134_RS_BA2(0),base+bpl);
@@ -868,14 +832,14 @@ static int buffer_activate(struct saa7134_dev *dev,
if (dev->fmt->planar) {
/* DMA: setup channel 4+5 (= planar task A) */
bpl_uv = bpl >> dev->fmt->hshift;
- lines_uv = buf->vb.height >> dev->fmt->vshift;
- base2 = base + bpl * buf->vb.height;
+ lines_uv = dev->height >> dev->fmt->vshift;
+ base2 = base + bpl * dev->height;
base3 = base2 + bpl_uv * lines_uv;
if (dev->fmt->uvswap)
tmp = base2, base2 = base3, base3 = tmp;
dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
bpl_uv,lines_uv,base2,base3);
- if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
+ if (V4L2_FIELD_HAS_BOTH(dev->field)) {
/* interlaced */
saa_writel(SAA7134_RS_BA1(4),base2);
saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
@@ -898,23 +862,61 @@ static int buffer_activate(struct saa7134_dev *dev,
/* start DMA */
saa7134_set_dmabits(dev);
- mod_timer(&dev->video_q.timeout, jiffies + BUFFER_TIMEOUT);
+ mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT);
return 0;
}
-static int buffer_prepare(struct videobuf_queue *q,
- struct videobuf_buffer *vb,
- enum v4l2_field field)
+static int buffer_init(struct vb2_buffer *vb2)
{
- struct saa7134_dmaqueue *dmaq = q->priv_data;
+ struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
+ struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
+
+ dmaq->curr = NULL;
+ buf->activate = buffer_activate;
+ return 0;
+}
+
+static int buffer_prepare(struct vb2_buffer *vb2)
+{
+ struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
struct saa7134_dev *dev = dmaq->dev;
- struct saa7134_buf *buf = container_of(vb, struct saa7134_buf, vb);
+ struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
+ struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0);
unsigned int size;
- int err;
+ int ret;
- /* sanity checks */
- if (NULL == dev->fmt)
+ size = (dev->width * dev->height * dev->fmt->depth) >> 3;
+ if (vb2_plane_size(vb2, 0) < size)
return -EINVAL;
+
+ vb2_set_plane_payload(vb2, 0, size);
+ vb2->v4l2_buf.field = dev->field;
+
+ ret = dma_map_sg(&dev->pci->dev, dma->sgl, dma->nents, DMA_FROM_DEVICE);
+ if (!ret)
+ return -EIO;
+ return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,
+ saa7134_buffer_startpage(buf));
+}
+
+static void buffer_finish(struct vb2_buffer *vb2)
+{
+ struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
+ struct saa7134_dev *dev = dmaq->dev;
+ struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
+ struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0);
+
+ dma_unmap_sg(&dev->pci->dev, dma->sgl, dma->nents, DMA_FROM_DEVICE);
+}
+
+static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
+ unsigned int *nbuffers, unsigned int *nplanes,
+ unsigned int sizes[], void *alloc_ctxs[])
+{
+ struct saa7134_dmaqueue *dmaq = q->drv_priv;
+ struct saa7134_dev *dev = dmaq->dev;
+ int size = dev->fmt->depth * dev->width * dev->height >> 3;
+
if (dev->width < 48 ||
dev->height < 32 ||
dev->width/4 > dev->crop_current.width ||
@@ -922,82 +924,88 @@ static int buffer_prepare(struct videobuf_queue *q,
dev->width > dev->crop_bounds.width ||
dev->height > dev->crop_bounds.height)
return -EINVAL;
- size = (dev->width * dev->height * dev->fmt->depth) >> 3;
- if (0 != buf->vb.baddr && buf->vb.bsize < size)
- return -EINVAL;
- dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
- vb->i, dev->width, dev->height, size, v4l2_field_names[field],
- dev->fmt->name);
- if (buf->vb.width != dev->width ||
- buf->vb.height != dev->height ||
- buf->vb.size != size ||
- buf->vb.field != field) {
- saa7134_dma_free(q,buf);
- }
-
- if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
- struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
-
- buf->vb.width = dev->width;
- buf->vb.height = dev->height;
- buf->vb.size = size;
- buf->vb.field = field;
- dev->video_q.curr = NULL;
-
- err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
- if (err)
- goto oops;
- err = saa7134_pgtable_build(dev->pci, &dmaq->pt,
- dma->sglist,
- dma->sglen,
- saa7134_buffer_startpage(buf));
- if (err)
- goto oops;
- }
- buf->vb.state = VIDEOBUF_PREPARED;
- buf->activate = buffer_activate;
+ *nbuffers = saa7134_buffer_count(size, *nbuffers);
+ *nplanes = 1;
+ sizes[0] = size;
return 0;
-
- oops:
- saa7134_dma_free(q,buf);
- return err;
}
-static int
-buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
+/*
+ * move buffer to hardware queue
+ */
+void saa7134_vb2_buffer_queue(struct vb2_buffer *vb)
{
- struct saa7134_dmaqueue *dmaq = q->priv_data;
+ struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv;
struct saa7134_dev *dev = dmaq->dev;
+ struct saa7134_buf *buf = container_of(vb, struct saa7134_buf, vb2);
- *size = dev->fmt->depth * dev->width * dev->height >> 3;
- if (0 == *count)
- *count = gbuffers;
- *count = saa7134_buffer_count(*size,*count);
- return 0;
+ saa7134_buffer_queue(dev, dmaq, buf);
}
+EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue);
-static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
+int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
{
- struct saa7134_dmaqueue *dmaq = q->priv_data;
+ struct saa7134_dmaqueue *dmaq = vq->drv_priv;
struct saa7134_dev *dev = dmaq->dev;
- struct saa7134_buf *buf = container_of(vb, struct saa7134_buf, vb);
- saa7134_buffer_queue(dev, &dev->video_q, buf);
+ /*
+ * Planar video capture and TS share the same DMA channel,
+ * so only one can be active at a time.
+ */
+ if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) &&
+ dmaq == &dev->video_q && dev->fmt->planar) {
+ struct saa7134_buf *buf, *tmp;
+
+ list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) {
+ list_del(&buf->entry);
+ vb2_buffer_done(&buf->vb2, VB2_BUF_STATE_QUEUED);
+ }
+ if (dmaq->curr) {
+ vb2_buffer_done(&dmaq->curr->vb2, VB2_BUF_STATE_QUEUED);
+ dmaq->curr = NULL;
+ }
+ return -EBUSY;
+ }
+
+ /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
+ * configured conservatively, there's 22 usec of buffering for video.
+ * We therefore request a DMA latency of 20 usec, giving us 2 usec of
+ * margin in case the FIFO is configured differently to the datasheet.
+ * Unfortunately, I lack register-level documentation to check the
+ * Linux FIFO setup and confirm the perfect value.
+ */
+ if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
+ (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
+ pm_qos_add_request(&dev->qos_request,
+ PM_QOS_CPU_DMA_LATENCY, 20);
+ dmaq->seq_nr = 0;
+
+ return 0;
}
-static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
+void saa7134_vb2_stop_streaming(struct vb2_queue *vq)
{
- struct saa7134_buf *buf = container_of(vb, struct saa7134_buf, vb);
+ struct saa7134_dmaqueue *dmaq = vq->drv_priv;
+ struct saa7134_dev *dev = dmaq->dev;
+
+ saa7134_stop_streaming(dev, dmaq);
- saa7134_dma_free(q,buf);
+ if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
+ (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
+ pm_qos_remove_request(&dev->qos_request);
}
-static struct videobuf_queue_ops video_qops = {
- .buf_setup = buffer_setup,
- .buf_prepare = buffer_prepare,
- .buf_queue = buffer_queue,
- .buf_release = buffer_release,
+static struct vb2_ops vb2_qops = {
+ .queue_setup = queue_setup,
+ .buf_init = buffer_init,
+ .buf_prepare = buffer_prepare,
+ .buf_finish = buffer_finish,
+ .buf_queue = saa7134_vb2_buffer_queue,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+ .start_streaming = saa7134_vb2_start_streaming,
+ .stop_streaming = saa7134_vb2_stop_streaming,
};
/* ------------------------------------------------------------------ */
@@ -1075,7 +1083,7 @@ static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
default:
return -EINVAL;
}
- if (restart_overlay && res_locked(dev, RESOURCE_OVERLAY)) {
+ if (restart_overlay && dev->overlay_owner) {
spin_lock_irqsave(&dev->slock, flags);
stop_preview(dev);
start_preview(dev);
@@ -1086,55 +1094,21 @@ static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
/* ------------------------------------------------------------------ */
-static struct videobuf_queue *saa7134_queue(struct file *file)
-{
- struct video_device *vdev = video_devdata(file);
- struct saa7134_dev *dev = video_drvdata(file);
- struct saa7134_fh *fh = file->private_data;
- struct videobuf_queue *q = NULL;
-
- switch (vdev->vfl_type) {
- case VFL_TYPE_GRABBER:
- q = fh->is_empress ? &dev->empress_vbq : &dev->video_vbq;
- break;
- case VFL_TYPE_VBI:
- q = &dev->vbi_vbq;
- break;
- default:
- BUG();
- }
- return q;
-}
-
-static int saa7134_resource(struct file *file)
+static inline struct vb2_queue *saa7134_queue(struct file *file)
{
- struct video_device *vdev = video_devdata(file);
- struct saa7134_fh *fh = file->private_data;
-
- if (vdev->vfl_type == VFL_TYPE_GRABBER)
- return fh->is_empress ? RESOURCE_EMPRESS : RESOURCE_VIDEO;
-
- if (vdev->vfl_type == VFL_TYPE_VBI)
- return RESOURCE_VBI;
-
- BUG();
- return 0;
+ return video_devdata(file)->queue;
}
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct saa7134_dev *dev = video_drvdata(file);
- struct saa7134_fh *fh;
+ int ret = v4l2_fh_open(file);
- /* allocate + initialize per filehandle data */
- fh = kzalloc(sizeof(*fh),GFP_KERNEL);
- if (NULL == fh)
- return -ENOMEM;
-
- v4l2_fh_init(&fh->fh, vdev);
- file->private_data = fh;
+ if (ret < 0)
+ return ret;
+ mutex_lock(&dev->lock);
if (vdev->vfl_type == VFL_TYPE_RADIO) {
/* switch to radio mode */
saa7134_tvaudio_setinput(dev, &card(dev).radio);
@@ -1143,127 +1117,34 @@ static int video_open(struct file *file)
/* switch to video/vbi mode */
video_mux(dev, dev->ctl_input);
}
- v4l2_fh_add(&fh->fh);
+ mutex_unlock(&dev->lock);
return 0;
}
-static ssize_t
-video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
-{
- struct video_device *vdev = video_devdata(file);
- struct saa7134_dev *dev = video_drvdata(file);
- struct saa7134_fh *fh = file->private_data;
-
- switch (vdev->vfl_type) {
- case VFL_TYPE_GRABBER:
- if (res_locked(dev, RESOURCE_VIDEO))
- return -EBUSY;
- return videobuf_read_one(saa7134_queue(file),
- data, count, ppos,
- file->f_flags & O_NONBLOCK);
- case VFL_TYPE_VBI:
- if (!res_get(dev, fh, RESOURCE_VBI))
- return -EBUSY;
- return videobuf_read_stream(saa7134_queue(file),
- data, count, ppos, 1,
- file->f_flags & O_NONBLOCK);
- break;
- default:
- BUG();
- return 0;
- }
-}
-
-static unsigned int
-video_poll(struct file *file, struct poll_table_struct *wait)
-{
- unsigned long req_events = poll_requested_events(wait);
- struct video_device *vdev = video_devdata(file);
- struct saa7134_dev *dev = video_drvdata(file);
- struct saa7134_fh *fh = file->private_data;
- struct videobuf_buffer *buf = NULL;
- struct videobuf_queue *q = &dev->video_vbq;
- unsigned int rc = 0;
-
- if (v4l2_event_pending(&fh->fh))
- rc = POLLPRI;
- else if (req_events & POLLPRI)
- poll_wait(file, &fh->fh.wait, wait);
-
- if (vdev->vfl_type == VFL_TYPE_VBI)
- return rc | videobuf_poll_stream(file, &dev->vbi_vbq, wait);
-
- if (res_check(fh, RESOURCE_VIDEO)) {
- mutex_lock(&q->vb_lock);
- if (!list_empty(&q->stream))
- buf = list_entry(q->stream.next, struct videobuf_buffer, stream);
- } else {
- mutex_lock(&q->vb_lock);
- if (UNSET == q->read_off) {
- /* need to capture a new frame */
- if (res_locked(dev, RESOURCE_VIDEO))
- goto err;
- if (0 != q->ops->buf_prepare(q, q->read_buf, q->field))
- goto err;
- q->ops->buf_queue(q, q->read_buf);
- q->read_off = 0;
- }
- buf = q->read_buf;
- }
-
- if (!buf)
- goto err;
-
- poll_wait(file, &buf->done, wait);
- if (buf->state == VIDEOBUF_DONE || buf->state == VIDEOBUF_ERROR)
- rc |= POLLIN | POLLRDNORM;
- mutex_unlock(&q->vb_lock);
- return rc;
-
-err:
- mutex_unlock(&q->vb_lock);
- return rc | POLLERR;
-}
-
static int video_release(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct saa7134_dev *dev = video_drvdata(file);
- struct saa7134_fh *fh = file->private_data;
+ struct v4l2_fh *fh = file->private_data;
struct saa6588_command cmd;
unsigned long flags;
+ mutex_lock(&dev->lock);
saa7134_tvaudio_close(dev);
/* turn off overlay */
- if (res_check(fh, RESOURCE_OVERLAY)) {
+ if (fh == dev->overlay_owner) {
spin_lock_irqsave(&dev->slock,flags);
stop_preview(dev);
spin_unlock_irqrestore(&dev->slock,flags);
- res_free(dev, fh, RESOURCE_OVERLAY);
- }
-
- /* stop video capture */
- if (res_check(fh, RESOURCE_VIDEO)) {
- pm_qos_remove_request(&dev->qos_request);
- videobuf_streamoff(&dev->video_vbq);
- res_free(dev, fh, RESOURCE_VIDEO);
- videobuf_mmap_free(&dev->video_vbq);
- INIT_LIST_HEAD(&dev->video_vbq.stream);
- }
- if (dev->video_vbq.read_buf) {
- buffer_release(&dev->video_vbq, dev->video_vbq.read_buf);
- kfree(dev->video_vbq.read_buf);
+ dev->overlay_owner = NULL;
}
- /* stop vbi capture */
- if (res_check(fh, RESOURCE_VBI)) {
- videobuf_stop(&dev->vbi_vbq);
- res_free(dev, fh, RESOURCE_VBI);
- videobuf_mmap_free(&dev->vbi_vbq);
- INIT_LIST_HEAD(&dev->vbi_vbq.stream);
- }
+ if (vdev->vfl_type == VFL_TYPE_RADIO)
+ v4l2_fh_release(file);
+ else
+ _vb2_fop_release(file, NULL);
/* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
@@ -1274,19 +1155,11 @@ static int video_release(struct file *file)
saa_call_all(dev, core, s_power, 0);
if (vdev->vfl_type == VFL_TYPE_RADIO)
saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
+ mutex_unlock(&dev->lock);
- v4l2_fh_del(&fh->fh);
- v4l2_fh_exit(&fh->fh);
- file->private_data = NULL;
- kfree(fh);
return 0;
}
-static int video_mmap(struct file *file, struct vm_area_struct * vma)
-{
- return videobuf_mmap_mapper(saa7134_queue(file), vma);
-}
-
static ssize_t radio_read(struct file *file, char __user *data,
size_t count, loff_t *ppos)
{
@@ -1299,7 +1172,9 @@ static ssize_t radio_read(struct file *file, char __user *data,
cmd.instance = file;
cmd.result = -ENODEV;
+ mutex_lock(&dev->lock);
saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
+ mutex_unlock(&dev->lock);
return cmd.result;
}
@@ -1313,7 +1188,9 @@ static unsigned int radio_poll(struct file *file, poll_table *wait)
cmd.instance = file;
cmd.event_list = wait;
cmd.result = 0;
+ mutex_lock(&dev->lock);
saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
+ mutex_unlock(&dev->lock);
return rc | cmd.result;
}
@@ -1347,7 +1224,7 @@ static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
f->fmt.pix.width = dev->width;
f->fmt.pix.height = dev->height;
- f->fmt.pix.field = dev->video_vbq.field;
+ f->fmt.pix.field = dev->field;
f->fmt.pix.pixelformat = dev->fmt->fourcc;
f->fmt.pix.bytesperline =
(f->fmt.pix.width * dev->fmt->depth) >> 3;
@@ -1371,7 +1248,6 @@ static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
return -EINVAL;
}
- mutex_lock(&dev->lock);
f->fmt.win = dev->win;
f->fmt.win.clips = clips;
if (clips == NULL)
@@ -1385,7 +1261,6 @@ static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
sizeof(struct v4l2_rect)))
err = -EFAULT;
}
- mutex_unlock(&dev->lock);
return err;
}
@@ -1469,7 +1344,7 @@ static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
dev->width = f->fmt.pix.width;
dev->height = f->fmt.pix.height;
- dev->video_vbq.field = f->fmt.pix.field;
+ dev->field = f->fmt.pix.field;
return 0;
}
@@ -1490,25 +1365,20 @@ static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
if (0 != err)
return err;
- mutex_lock(&dev->lock);
-
dev->win = f->fmt.win;
dev->nclips = f->fmt.win.clipcount;
if (copy_from_user(dev->clips, f->fmt.win.clips,
- sizeof(struct v4l2_clip) * dev->nclips)) {
- mutex_unlock(&dev->lock);
+ sizeof(struct v4l2_clip) * dev->nclips))
return -EFAULT;
- }
- if (res_check(priv, RESOURCE_OVERLAY)) {
+ if (priv == dev->overlay_owner) {
spin_lock_irqsave(&dev->slock, flags);
stop_preview(dev);
start_preview(dev);
spin_unlock_irqrestore(&dev->slock, flags);
}
- mutex_unlock(&dev->lock);
return 0;
}
@@ -1560,9 +1430,7 @@ int saa7134_s_input(struct file *file, void *priv, unsigned int i)
return -EINVAL;
if (NULL == card_in(dev, i).name)
return -EINVAL;
- mutex_lock(&dev->lock);
video_mux(dev, i);
- mutex_unlock(&dev->lock);
return 0;
}
EXPORT_SYMBOL_GPL(saa7134_s_input);
@@ -1572,7 +1440,6 @@ int saa7134_querycap(struct file *file, void *priv,
{
struct saa7134_dev *dev = video_drvdata(file);
struct video_device *vdev = video_devdata(file);
- struct saa7134_fh *fh = priv;
u32 radio_caps, video_caps, vbi_caps;
unsigned int tuner_type = dev->tuner_type;
@@ -1591,7 +1458,7 @@ int saa7134_querycap(struct file *file, void *priv,
radio_caps |= V4L2_CAP_RDS_CAPTURE;
video_caps = V4L2_CAP_VIDEO_CAPTURE;
- if (saa7134_no_overlay <= 0 && !fh->is_empress)
+ if (saa7134_no_overlay <= 0 && !is_empress(file))
video_caps |= V4L2_CAP_VIDEO_OVERLAY;
vbi_caps = V4L2_CAP_VBI_CAPTURE;
@@ -1622,12 +1489,12 @@ EXPORT_SYMBOL_GPL(saa7134_querycap);
int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
{
struct saa7134_dev *dev = video_drvdata(file);
- struct saa7134_fh *fh = priv;
+ struct v4l2_fh *fh = priv;
unsigned long flags;
unsigned int i;
v4l2_std_id fixup;
- if (fh->is_empress && res_locked(dev, RESOURCE_OVERLAY)) {
+ if (is_empress(file) && dev->overlay_owner) {
/* Don't change the std from the mpeg device
if overlay is active. */
return -EBUSY;
@@ -1666,8 +1533,7 @@ int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
id = tvnorms[i].id;
- mutex_lock(&dev->lock);
- if (!fh->is_empress && res_check(fh, RESOURCE_OVERLAY)) {
+ if (!is_empress(file) && fh == dev->overlay_owner) {
spin_lock_irqsave(&dev->slock, flags);
stop_preview(dev);
spin_unlock_irqrestore(&dev->slock, flags);
@@ -1681,7 +1547,6 @@ int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
set_tvnorm(dev, &tvnorms[i]);
saa7134_tvaudio_do_scan(dev);
- mutex_unlock(&dev->lock);
return 0;
}
EXPORT_SYMBOL_GPL(saa7134_s_std);
@@ -1768,9 +1633,9 @@ static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *cr
crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
return -EINVAL;
- if (res_locked(dev, RESOURCE_OVERLAY))
+ if (dev->overlay_owner)
return -EBUSY;
- if (res_locked(dev, RESOURCE_VIDEO))
+ if (vb2_is_streaming(&dev->video_vbq))
return -EBUSY;
*c = crop->c;
@@ -1864,12 +1729,10 @@ int saa7134_s_frequency(struct file *file, void *priv,
if (0 != f->tuner)
return -EINVAL;
- mutex_lock(&dev->lock);
saa_call_all(dev, tuner, s_frequency, f);
saa7134_tvaudio_do_scan(dev);
- mutex_unlock(&dev->lock);
return 0;
}
EXPORT_SYMBOL_GPL(saa7134_s_frequency);
@@ -1953,87 +1816,24 @@ static int saa7134_overlay(struct file *file, void *priv, unsigned int on)
return -EINVAL;
}
- if (!res_get(dev, priv, RESOURCE_OVERLAY))
+ if (dev->overlay_owner && priv != dev->overlay_owner)
return -EBUSY;
+ dev->overlay_owner = priv;
spin_lock_irqsave(&dev->slock, flags);
start_preview(dev);
spin_unlock_irqrestore(&dev->slock, flags);
}
if (!on) {
- if (!res_check(priv, RESOURCE_OVERLAY))
+ if (priv != dev->overlay_owner)
return -EINVAL;
spin_lock_irqsave(&dev->slock, flags);
stop_preview(dev);
spin_unlock_irqrestore(&dev->slock, flags);
- res_free(dev, priv, RESOURCE_OVERLAY);
+ dev->overlay_owner = NULL;
}
return 0;
}
-int saa7134_reqbufs(struct file *file, void *priv,
- struct v4l2_requestbuffers *p)
-{
- return videobuf_reqbufs(saa7134_queue(file), p);
-}
-EXPORT_SYMBOL_GPL(saa7134_reqbufs);
-
-int saa7134_querybuf(struct file *file, void *priv,
- struct v4l2_buffer *b)
-{
- return videobuf_querybuf(saa7134_queue(file), b);
-}
-EXPORT_SYMBOL_GPL(saa7134_querybuf);
-
-int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
-{
- return videobuf_qbuf(saa7134_queue(file), b);
-}
-EXPORT_SYMBOL_GPL(saa7134_qbuf);
-
-int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
-{
- return videobuf_dqbuf(saa7134_queue(file), b,
- file->f_flags & O_NONBLOCK);
-}
-EXPORT_SYMBOL_GPL(saa7134_dqbuf);
-
-int saa7134_streamon(struct file *file, void *priv,
- enum v4l2_buf_type type)
-{
- struct saa7134_dev *dev = video_drvdata(file);
- int res = saa7134_resource(file);
-
- if (!res_get(dev, priv, res))
- return -EBUSY;
-
- /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
- * configured conservatively, there's 22 usec of buffering for video.
- * We therefore request a DMA latency of 20 usec, giving us 2 usec of
- * margin in case the FIFO is configured differently to the datasheet.
- * Unfortunately, I lack register-level documentation to check the
- * Linux FIFO setup and confirm the perfect value.
- */
- if (res != RESOURCE_EMPRESS)
- pm_qos_add_request(&dev->qos_request,
- PM_QOS_CPU_DMA_LATENCY, 20);
-
- return videobuf_streamon(saa7134_queue(file));
-}
-EXPORT_SYMBOL_GPL(saa7134_streamon);
-
-int saa7134_streamoff(struct file *file, void *priv,
- enum v4l2_buf_type type)
-{
- struct saa7134_dev *dev = video_drvdata(file);
- int res = saa7134_resource(file);
-
- if (res != RESOURCE_EMPRESS)
- pm_qos_remove_request(&dev->qos_request);
-
- return videobuf_streamoff(saa7134_queue(file));
-}
-EXPORT_SYMBOL_GPL(saa7134_streamoff);
-
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int vidioc_g_register (struct file *file, void *priv,
struct v4l2_dbg_register *reg)
@@ -2091,10 +1891,10 @@ static const struct v4l2_file_operations video_fops =
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
- .read = video_read,
- .poll = video_poll,
- .mmap = video_mmap,
- .ioctl = video_ioctl2,
+ .read = vb2_fop_read,
+ .poll = vb2_fop_poll,
+ .mmap = vb2_fop_mmap,
+ .unlocked_ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
@@ -2111,18 +1911,18 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
.vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
.vidioc_cropcap = saa7134_cropcap,
- .vidioc_reqbufs = saa7134_reqbufs,
- .vidioc_querybuf = saa7134_querybuf,
- .vidioc_qbuf = saa7134_qbuf,
- .vidioc_dqbuf = saa7134_dqbuf,
+ .vidioc_reqbufs = vb2_ioctl_reqbufs,
+ .vidioc_querybuf = vb2_ioctl_querybuf,
+ .vidioc_qbuf = vb2_ioctl_qbuf,
+ .vidioc_dqbuf = vb2_ioctl_dqbuf,
.vidioc_s_std = saa7134_s_std,
.vidioc_g_std = saa7134_g_std,
.vidioc_querystd = saa7134_querystd,
.vidioc_enum_input = saa7134_enum_input,
.vidioc_g_input = saa7134_g_input,
.vidioc_s_input = saa7134_s_input,
- .vidioc_streamon = saa7134_streamon,
- .vidioc_streamoff = saa7134_streamoff,
+ .vidioc_streamon = vb2_ioctl_streamon,
+ .vidioc_streamoff = vb2_ioctl_streamoff,
.vidioc_g_tuner = saa7134_g_tuner,
.vidioc_s_tuner = saa7134_s_tuner,
.vidioc_g_crop = saa7134_g_crop,
@@ -2146,7 +1946,7 @@ static const struct v4l2_file_operations radio_fops = {
.open = video_open,
.read = radio_read,
.release = video_release,
- .ioctl = video_ioctl2,
+ .unlocked_ioctl = video_ioctl2,
.poll = radio_poll,
};
@@ -2224,6 +2024,8 @@ static const struct v4l2_ctrl_config saa7134_ctrl_automute = {
int saa7134_video_init1(struct saa7134_dev *dev)
{
struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
+ struct vb2_queue *q;
+ int ret;
/* sanitycheck insmod options */
if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
@@ -2275,6 +2077,7 @@ int saa7134_video_init1(struct saa7134_dev *dev)
dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
dev->width = 720;
dev->height = 576;
+ dev->field = V4L2_FIELD_INTERLACED;
dev->win.w.width = dev->width;
dev->win.w.height = dev->height;
dev->win.field = V4L2_FIELD_INTERLACED;
@@ -2286,19 +2089,40 @@ int saa7134_video_init1(struct saa7134_dev *dev)
if (saa7134_boards[dev->board].video_out)
saa7134_videoport_init(dev);
- videobuf_queue_sg_init(&dev->video_vbq, &video_qops,
- &dev->pci->dev, &dev->slock,
- V4L2_BUF_TYPE_VIDEO_CAPTURE,
- V4L2_FIELD_INTERLACED,
- sizeof(struct saa7134_buf),
- &dev->video_q, NULL);
- videobuf_queue_sg_init(&dev->vbi_vbq, &saa7134_vbi_qops,
- &dev->pci->dev, &dev->slock,
- V4L2_BUF_TYPE_VBI_CAPTURE,
- V4L2_FIELD_SEQ_TB,
- sizeof(struct saa7134_buf),
- &dev->vbi_q, NULL);
+ q = &dev->video_vbq;
+ q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ /*
+ * Do not add VB2_USERPTR: the saa7134 DMA engine cannot handle
+ * transfers that do not start at the beginning of a page. A USERPTR
+ * can start anywhere in a page, so USERPTR support is a no-go.
+ */
+ q->io_modes = VB2_MMAP | VB2_READ;
+ q->drv_priv = &dev->video_q;
+ q->ops = &vb2_qops;
+ q->gfp_flags = GFP_DMA32;
+ q->mem_ops = &vb2_dma_sg_memops;
+ q->buf_struct_size = sizeof(struct saa7134_buf);
+ q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ q->lock = &dev->lock;
+ ret = vb2_queue_init(q);
+ if (ret)
+ return ret;
saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt);
+
+ q = &dev->vbi_vbq;
+ q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
+ /* Don't add VB2_USERPTR, see comment above */
+ q->io_modes = VB2_MMAP | VB2_READ;
+ q->drv_priv = &dev->vbi_q;
+ q->ops = &saa7134_vbi_qops;
+ q->gfp_flags = GFP_DMA32;
+ q->mem_ops = &vb2_dma_sg_memops;
+ q->buf_struct_size = sizeof(struct saa7134_buf);
+ q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ q->lock = &dev->lock;
+ ret = vb2_queue_init(q);
+ if (ret)
+ return ret;
saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt);
return 0;
@@ -2307,7 +2131,9 @@ int saa7134_video_init1(struct saa7134_dev *dev)
void saa7134_video_fini(struct saa7134_dev *dev)
{
/* free stuff */
+ vb2_queue_release(&dev->video_vbq);
saa7134_pgtable_free(dev->pci, &dev->video_q.pt);
+ vb2_queue_release(&dev->vbi_vbq);
saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt);
v4l2_ctrl_handler_free(&dev->ctrl_handler);
if (card_has_radio(dev))
@@ -2401,8 +2227,7 @@ void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
spin_lock(&dev->slock);
if (dev->video_q.curr) {
- dev->video_fieldcount++;
- field = dev->video_q.curr->vb.field;
+ field = dev->field;
if (V4L2_FIELD_HAS_BOTH(field)) {
/* make sure we have seen both fields */
if ((status & 0x10) == 0x00) {
@@ -2418,8 +2243,7 @@ void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
if ((status & 0x10) != 0x00)
goto done;
}
- dev->video_q.curr->vb.field_count = dev->video_fieldcount;
- saa7134_buffer_finish(dev, &dev->video_q, VIDEOBUF_DONE);
+ saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE);
}
saa7134_buffer_next(dev, &dev->video_q);
diff --git a/drivers/media/pci/saa7134/saa7134.h b/drivers/media/pci/saa7134/saa7134.h
index d8c612aa65e0..5f8307f7cc9a 100644
--- a/drivers/media/pci/saa7134/saa7134.h
+++ b/drivers/media/pci/saa7134/saa7134.h
@@ -41,11 +41,11 @@
#include <media/tuner.h>
#include <media/rc-core.h>
#include <media/ir-kbd-i2c.h>
-#include <media/videobuf-dma-sg.h>
+#include <media/videobuf2-dma-sg.h>
#include <sound/core.h>
#include <sound/pcm.h>
#if IS_ENABLED(CONFIG_VIDEO_SAA7134_DVB)
-#include <media/videobuf-dvb.h>
+#include <media/videobuf2-dvb.h>
#endif
#include "tda8290.h"
@@ -453,13 +453,15 @@ struct saa7134_thread {
/* buffer for one video/vbi/ts frame */
struct saa7134_buf {
/* common v4l buffer stuff -- must be first */
- struct videobuf_buffer vb;
+ struct vb2_buffer vb2;
/* saa7134 specific */
unsigned int top_seen;
int (*activate)(struct saa7134_dev *dev,
struct saa7134_buf *buf,
struct saa7134_buf *next);
+
+ struct list_head entry;
};
struct saa7134_dmaqueue {
@@ -468,16 +470,10 @@ struct saa7134_dmaqueue {
struct list_head queue;
struct timer_list timeout;
unsigned int need_two;
+ unsigned int seq_nr;
struct saa7134_pgtable pt;
};
-/* video filehandle status */
-struct saa7134_fh {
- struct v4l2_fh fh;
- bool is_empress;
- unsigned int resources;
-};
-
/* dmasound dsp status */
struct saa7134_dmasound {
struct mutex lock;
@@ -583,20 +579,35 @@ struct saa7134_dev {
struct v4l2_window win;
struct v4l2_clip clips[8];
unsigned int nclips;
+ struct v4l2_fh *overlay_owner;
/* video+ts+vbi capture */
struct saa7134_dmaqueue video_q;
- struct videobuf_queue video_vbq;
+ struct vb2_queue video_vbq;
struct saa7134_dmaqueue vbi_q;
- struct videobuf_queue vbi_vbq;
- unsigned int video_fieldcount;
- unsigned int vbi_fieldcount;
+ struct vb2_queue vbi_vbq;
+ enum v4l2_field field;
struct saa7134_format *fmt;
unsigned int width, height;
unsigned int vbi_hlen, vbi_vlen;
struct pm_qos_request qos_request;
+ /* SAA7134_MPEG_* */
+ struct saa7134_ts ts;
+ struct saa7134_dmaqueue ts_q;
+ enum v4l2_field ts_field;
+ int ts_started;
+ struct saa7134_mpeg_ops *mops;
+
+ /* SAA7134_MPEG_EMPRESS only */
+ struct video_device *empress_dev;
+ struct v4l2_subdev *empress_sd;
+ struct vb2_queue empress_vbq;
+ struct work_struct empress_workqueue;
+ int empress_started;
+ struct v4l2_ctrl_handler empress_ctrl_handler;
+
/* various v4l controls */
struct saa7134_tvnorm *tvnorm; /* video */
struct saa7134_tvaudio *tvaudio;
@@ -633,23 +644,9 @@ struct saa7134_dev {
/* I2C keyboard data */
struct IR_i2c_init_data init_data;
- /* SAA7134_MPEG_* */
- struct saa7134_ts ts;
- struct saa7134_dmaqueue ts_q;
- int ts_started;
- struct saa7134_mpeg_ops *mops;
-
- /* SAA7134_MPEG_EMPRESS only */
- struct video_device *empress_dev;
- struct v4l2_subdev *empress_sd;
- struct videobuf_queue empress_vbq;
- struct work_struct empress_workqueue;
- int empress_started;
- struct v4l2_ctrl_handler empress_ctrl_handler;
-
#if IS_ENABLED(CONFIG_VIDEO_SAA7134_DVB)
/* SAA7134_MPEG_DVB only */
- struct videobuf_dvb_frontends frontends;
+ struct vb2_dvb_frontends frontends;
int (*original_demod_sleep)(struct dvb_frontend *fe);
int (*original_set_voltage)(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
int (*original_set_high_voltage)(struct dvb_frontend *fe, long arg);
@@ -703,14 +700,12 @@ struct saa7134_dev {
_rc; \
})
-static inline int res_check(struct saa7134_fh *fh, unsigned int bit)
+static inline bool is_empress(struct file *file)
{
- return fh->resources & bit;
-}
+ struct video_device *vdev = video_devdata(file);
+ struct saa7134_dev *dev = video_get_drvdata(vdev);
-static inline int res_locked(struct saa7134_dev *dev, unsigned int bit)
-{
- return dev->resources & bit;
+ return vdev->queue == &dev->empress_vbq;
}
/* ----------------------------------------------------------- */
@@ -741,7 +736,7 @@ void saa7134_buffer_finish(struct saa7134_dev *dev, struct saa7134_dmaqueue *q,
unsigned int state);
void saa7134_buffer_next(struct saa7134_dev *dev, struct saa7134_dmaqueue *q);
void saa7134_buffer_timeout(unsigned long data);
-void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf);
+void saa7134_stop_streaming(struct saa7134_dev *dev, struct saa7134_dmaqueue *q);
int saa7134_set_dmabits(struct saa7134_dev *dev);
@@ -775,6 +770,10 @@ extern unsigned int video_debug;
extern struct video_device saa7134_video_template;
extern struct video_device saa7134_radio_template;
+void saa7134_vb2_buffer_queue(struct vb2_buffer *vb);
+int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count);
+void saa7134_vb2_stop_streaming(struct vb2_queue *vq);
+
int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id);
int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id);
int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std);
@@ -791,16 +790,6 @@ int saa7134_g_frequency(struct file *file, void *priv,
struct v4l2_frequency *f);
int saa7134_s_frequency(struct file *file, void *priv,
const struct v4l2_frequency *f);
-int saa7134_reqbufs(struct file *file, void *priv,
- struct v4l2_requestbuffers *p);
-int saa7134_querybuf(struct file *file, void *priv,
- struct v4l2_buffer *b);
-int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b);
-int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b);
-int saa7134_streamon(struct file *file, void *priv,
- enum v4l2_buf_type type);
-int saa7134_streamoff(struct file *file, void *priv,
- enum v4l2_buf_type type);
int saa7134_videoport_init(struct saa7134_dev *dev);
void saa7134_set_tvnorm_hw(struct saa7134_dev *dev);
@@ -817,7 +806,16 @@ void saa7134_video_fini(struct saa7134_dev *dev);
#define TS_PACKET_SIZE 188 /* TS packets 188 bytes */
-extern struct videobuf_queue_ops saa7134_ts_qops;
+int saa7134_ts_buffer_init(struct vb2_buffer *vb2);
+int saa7134_ts_buffer_prepare(struct vb2_buffer *vb2);
+void saa7134_ts_buffer_finish(struct vb2_buffer *vb2);
+int saa7134_ts_queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
+ unsigned int *nbuffers, unsigned int *nplanes,
+ unsigned int sizes[], void *alloc_ctxs[]);
+int saa7134_ts_start_streaming(struct vb2_queue *vq, unsigned int count);
+void saa7134_ts_stop_streaming(struct vb2_queue *vq);
+
+extern struct vb2_ops saa7134_ts_qops;
int saa7134_ts_init1(struct saa7134_dev *dev);
int saa7134_ts_fini(struct saa7134_dev *dev);
@@ -834,7 +832,7 @@ int saa7134_ts_stop(struct saa7134_dev *dev);
/* ----------------------------------------------------------- */
/* saa7134-vbi.c */
-extern struct videobuf_queue_ops saa7134_vbi_qops;
+extern struct vb2_ops saa7134_vbi_qops;
extern struct video_device saa7134_vbi_template;
int saa7134_vbi_init1(struct saa7134_dev *dev);