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Commit 05439b1a authored by Shuah Khan's avatar Shuah Khan Committed by Mauro Carvalho Chehab
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[media] media: au0828 - convert to use videobuf2 

Convert au0828 to use videobuf2. Tested with NTSC.
Tested video and vbi devices with xawtv, tvtime,
and vlc. Ran v4l2-compliance to ensure there are
no failures.

Video compliance test results summary:
Total: 75, Succeeded: 75, Failed: 0, Warnings: 18

Vbi compliance test results summary:
Total: 75, Succeeded: 75, Failed: 0, Warnings: 0
Signed-off-by: default avatarShuah Khan <shuahkh@osg.samsung.com>
Reviewed-by: default avatarLad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent 9bc1022f
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Inline Side-by-side
Showing with 442 additions and 706 deletions
drivers/media/usb/au0828/Kconfig
View file @ 05439b1a
......@@ -4,7 +4,7 @@ config VIDEO_AU0828
depends on I2C && INPUT && DVB_CORE && USB
select I2C_ALGOBIT
select VIDEO_TVEEPROM
select VIDEOBUF_VMALLOC
select VIDEOBUF2_VMALLOC
select DVB_AU8522_DTV if MEDIA_SUBDRV_AUTOSELECT
select MEDIA_TUNER_XC5000 if MEDIA_SUBDRV_AUTOSELECT
select MEDIA_TUNER_MXL5007T if MEDIA_SUBDRV_AUTOSELECT
......
drivers/media/usb/au0828/au0828-vbi.c
View file @ 05439b1a
......@@ -28,111 +28,67 @@
#include <linux/init.h>
#include <linux/slab.h>
static unsigned int vbibufs = 5;
module_param(vbibufs, int, 0644);
MODULE_PARM_DESC(vbibufs, "number of vbi buffers, range 2-32");
/* ------------------------------------------------------------------ */
static void
free_buffer(struct videobuf_queue *vq, struct au0828_buffer *buf)
static int vbi_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
struct au0828_fh *fh = vq->priv_data;
struct au0828_dev *dev = fh->dev;
unsigned long flags = 0;
if (in_interrupt())
BUG();
struct au0828_dev *dev = vb2_get_drv_priv(vq);
unsigned long img_size = dev->vbi_width * dev->vbi_height * 2;
unsigned long size;
/* 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.)
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->slock, flags);
if (dev->isoc_ctl.vbi_buf == buf)
dev->isoc_ctl.vbi_buf = NULL;
spin_unlock_irqrestore(&dev->slock, flags);
videobuf_vmalloc_free(&buf->vb);
buf->vb.state = VIDEOBUF_NEEDS_INIT;
}
static int
vbi_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
{
struct au0828_fh *fh = q->priv_data;
struct au0828_dev *dev = fh->dev;
size = fmt ? (fmt->fmt.vbi.samples_per_line *
(fmt->fmt.vbi.count[0] + fmt->fmt.vbi.count[1])) : img_size;
if (size < img_size)
return -EINVAL;
*size = dev->vbi_width * dev->vbi_height * 2;
*nplanes = 1;
sizes[0] = size;
if (0 == *count)
*count = vbibufs;
if (*count < 2)
*count = 2;
if (*count > 32)
*count = 32;
return 0;
}
static int
vbi_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
enum v4l2_field field)
static int vbi_buffer_prepare(struct vb2_buffer *vb)
{
struct au0828_fh *fh = q->priv_data;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb);
int rc = 0;
unsigned long size;
buf->vb.size = dev->vbi_width * dev->vbi_height * 2;
size = dev->vbi_width * dev->vbi_height * 2;
if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
if (vb2_plane_size(vb, 0) < size) {
pr_err("%s data will not fit into plane (%lu < %lu)\n",
__func__, vb2_plane_size(vb, 0), size);
return -EINVAL;
buf->vb.width = dev->vbi_width;
buf->vb.height = dev->vbi_height;
buf->vb.field = field;
if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
rc = videobuf_iolock(q, &buf->vb, NULL);
if (rc < 0)
goto fail;
}
vb2_set_plane_payload(&buf->vb, 0, size);
buf->vb.state = VIDEOBUF_PREPARED;
return 0;
fail:
free_buffer(q, buf);
return rc;
}
static void
vbi_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
vbi_buffer_queue(struct vb2_buffer *vb)
{
struct au0828_buffer *buf = container_of(vb,
struct au0828_buffer,
vb);
struct au0828_fh *fh = vq->priv_data;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb);
struct au0828_dmaqueue *vbiq = &dev->vbiq;
unsigned long flags = 0;
buf->vb.state = VIDEOBUF_QUEUED;
list_add_tail(&buf->vb.queue, &vbiq->active);
}
buf->mem = vb2_plane_vaddr(vb, 0);
buf->length = vb2_plane_size(vb, 0);
static void vbi_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
{
struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb);
free_buffer(q, buf);
spin_lock_irqsave(&dev->slock, flags);
list_add_tail(&buf->list, &vbiq->active);
spin_unlock_irqrestore(&dev->slock, flags);
}
struct videobuf_queue_ops au0828_vbi_qops = {
.buf_setup = vbi_setup,
.buf_prepare = vbi_prepare,
.buf_queue = vbi_queue,
.buf_release = vbi_release,
struct vb2_ops au0828_vbi_qops = {
.queue_setup = vbi_queue_setup,
.buf_prepare = vbi_buffer_prepare,
.buf_queue = vbi_buffer_queue,
.start_streaming = au0828_start_analog_streaming,
.stop_streaming = au0828_stop_vbi_streaming,
.wait_prepare = vb2_ops_wait_prepare,
.wait_finish = vb2_ops_wait_finish,
};
drivers/media/usb/au0828/au0828-video.c
View file @ 05439b1a
......@@ -218,9 +218,6 @@ static int au0828_init_isoc(struct au0828_dev *dev, int max_packets,
au0828_isocdbg("au0828: called au0828_prepare_isoc\n");
/* De-allocates all pending stuff */
au0828_uninit_isoc(dev);
dev->isoc_ctl.isoc_copy = isoc_copy;
dev->isoc_ctl.num_bufs = num_bufs;
......@@ -284,8 +281,6 @@ static int au0828_init_isoc(struct au0828_dev *dev, int max_packets,
}
}
init_waitqueue_head(&dma_q->wq);
/* submit urbs and enables IRQ */
for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC);
......@@ -308,16 +303,12 @@ static inline void buffer_filled(struct au0828_dev *dev,
struct au0828_buffer *buf)
{
/* Advice that buffer was filled */
au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i);
buf->vb.state = VIDEOBUF_DONE;
buf->vb.field_count++;
v4l2_get_timestamp(&buf->vb.ts);
au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->top_field);
dev->isoc_ctl.buf = NULL;
list_del(&buf->vb.queue);
wake_up(&buf->vb.done);
buf->vb.v4l2_buf.sequence = dev->frame_count++;
buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED;
v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE);
}
static inline void vbi_buffer_filled(struct au0828_dev *dev,
......@@ -325,16 +316,12 @@ static inline void vbi_buffer_filled(struct au0828_dev *dev,
struct au0828_buffer *buf)
{
/* Advice that buffer was filled */
au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i);
buf->vb.state = VIDEOBUF_DONE;
buf->vb.field_count++;
v4l2_get_timestamp(&buf->vb.ts);
au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->top_field);
dev->isoc_ctl.vbi_buf = NULL;
list_del(&buf->vb.queue);
wake_up(&buf->vb.done);
buf->vb.v4l2_buf.sequence = dev->vbi_frame_count++;
buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED;
v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE);
}
/*
......@@ -353,8 +340,8 @@ static void au0828_copy_video(struct au0828_dev *dev,
if (len == 0)
return;
if (dma_q->pos + len > buf->vb.size)
len = buf->vb.size - dma_q->pos;
if (dma_q->pos + len > buf->length)
len = buf->length - dma_q->pos;
startread = p;
remain = len;
......@@ -372,11 +359,11 @@ static void au0828_copy_video(struct au0828_dev *dev,
lencopy = bytesperline - currlinedone;
lencopy = lencopy > remain ? remain : lencopy;
if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) {
if ((char *)startwrite + lencopy > (char *)outp + buf->length) {
au0828_isocdbg("Overflow of %zi bytes past buffer end (1)\n",
((char *)startwrite + lencopy) -
((char *)outp + buf->vb.size));
remain = (char *)outp + buf->vb.size - (char *)startwrite;
((char *)outp + buf->length));
remain = (char *)outp + buf->length - (char *)startwrite;
lencopy = remain;
}
if (lencopy <= 0)
......@@ -394,11 +381,11 @@ static void au0828_copy_video(struct au0828_dev *dev,
lencopy = bytesperline;
if ((char *)startwrite + lencopy > (char *)outp +
buf->vb.size) {
buf->length) {
au0828_isocdbg("Overflow %zi bytes past buf end (2)\n",
((char *)startwrite + lencopy) -
((char *)outp + buf->vb.size));
lencopy = remain = (char *)outp + buf->vb.size -
((char *)outp + buf->length));
lencopy = remain = (char *)outp + buf->length -
(char *)startwrite;
}
if (lencopy <= 0)
......@@ -434,7 +421,11 @@ static inline void get_next_buf(struct au0828_dmaqueue *dma_q,
}
/* Get the next buffer */
*buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue);
*buf = list_entry(dma_q->active.next, struct au0828_buffer, list);
/* Cleans up buffer - Useful for testing for frame/URB loss */
list_del(&(*buf)->list);
dma_q->pos = 0;
(*buf)->vb_buf = (*buf)->mem;
dev->isoc_ctl.buf = *buf;
return;
......@@ -472,8 +463,8 @@ static void au0828_copy_vbi(struct au0828_dev *dev,
bytesperline = dev->vbi_width;
if (dma_q->pos + len > buf->vb.size)
len = buf->vb.size - dma_q->pos;
if (dma_q->pos + len > buf->length)
len = buf->length - dma_q->pos;
startread = p;
startwrite = outp + (dma_q->pos / 2);
......@@ -496,7 +487,6 @@ static inline void vbi_get_next_buf(struct au0828_dmaqueue *dma_q,
struct au0828_buffer **buf)
{
struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vbiq);
char *outp;
if (list_empty(&dma_q->active)) {
au0828_isocdbg("No active queue to serve\n");
......@@ -506,13 +496,12 @@ static inline void vbi_get_next_buf(struct au0828_dmaqueue *dma_q,
}
/* Get the next buffer */
*buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue);
*buf = list_entry(dma_q->active.next, struct au0828_buffer, list);
/* Cleans up buffer - Useful for testing for frame/URB loss */
outp = videobuf_to_vmalloc(&(*buf)->vb);
memset(outp, 0x00, (*buf)->vb.size);
list_del(&(*buf)->list);
dma_q->pos = 0;
(*buf)->vb_buf = (*buf)->mem;
dev->isoc_ctl.vbi_buf = *buf;
return;
}
......@@ -548,11 +537,11 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb)
buf = dev->isoc_ctl.buf;
if (buf != NULL)
outp = videobuf_to_vmalloc(&buf->vb);
outp = vb2_plane_vaddr(&buf->vb, 0);
vbi_buf = dev->isoc_ctl.vbi_buf;
if (vbi_buf != NULL)
vbioutp = videobuf_to_vmalloc(&vbi_buf->vb);
vbioutp = vb2_plane_vaddr(&vbi_buf->vb, 0);
for (i = 0; i < urb->number_of_packets; i++) {
int status = urb->iso_frame_desc[i].status;
......@@ -592,8 +581,8 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb)
if (vbi_buf == NULL)
vbioutp = NULL;
else
vbioutp = videobuf_to_vmalloc(
&vbi_buf->vb);
vbioutp = vb2_plane_vaddr(
&vbi_buf->vb, 0);
/* Video */
if (buf != NULL)
......@@ -602,7 +591,7 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb)
if (buf == NULL)
outp = NULL;
else
outp = videobuf_to_vmalloc(&buf->vb);
outp = vb2_plane_vaddr(&buf->vb, 0);
/* As long as isoc traffic is arriving, keep
resetting the timer */
......@@ -656,130 +645,59 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb)
return rc;
}
static int
buffer_setup(struct videobuf_queue *vq, unsigned int *count,
unsigned int *size)
static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
struct au0828_fh *fh = vq->priv_data;
*size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3;
if (0 == *count)
*count = AU0828_DEF_BUF;
if (*count < AU0828_MIN_BUF)
*count = AU0828_MIN_BUF;
return 0;
}
struct au0828_dev *dev = vb2_get_drv_priv(vq);
unsigned long img_size = dev->height * dev->bytesperline;
unsigned long size;
/* This is called *without* dev->slock held; please keep it that way */
static void free_buffer(struct videobuf_queue *vq, struct au0828_buffer *buf)
{
struct au0828_fh *fh = vq->priv_data;
struct au0828_dev *dev = fh->dev;
unsigned long flags = 0;
if (in_interrupt())
BUG();
size = fmt ? fmt->fmt.pix.sizeimage : img_size;
if (size < img_size)
return -EINVAL;
/* 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.)
*nplanes = 1;
sizes[0] = size;
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->slock, flags);
if (dev->isoc_ctl.buf == buf)
dev->isoc_ctl.buf = NULL;
spin_unlock_irqrestore(&dev->slock, flags);
videobuf_vmalloc_free(&buf->vb);
buf->vb.state = VIDEOBUF_NEEDS_INIT;
return 0;
}
static int
buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
enum v4l2_field field)
buffer_prepare(struct vb2_buffer *vb)
{
struct au0828_fh *fh = vq->priv_data;
struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb);
struct au0828_dev *dev = fh->dev;
int rc = 0, urb_init = 0;
struct au0828_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
buf->vb.size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3;
buf->length = dev->height * dev->bytesperline;
if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
if (vb2_plane_size(vb, 0) < buf->length) {
pr_err("%s data will not fit into plane (%lu < %lu)\n",
__func__, vb2_plane_size(vb, 0), buf->length);
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) {
pr_info("videobuf_iolock failed\n");
goto fail;
}
}
if (!dev->isoc_ctl.num_bufs)
urb_init = 1;
if (urb_init) {
rc = au0828_init_isoc(dev, AU0828_ISO_PACKETS_PER_URB,
AU0828_MAX_ISO_BUFS, dev->max_pkt_size,
au0828_isoc_copy);
if (rc < 0) {
pr_info("au0828_init_isoc failed\n");
goto fail;
}
}
buf->vb.state = VIDEOBUF_PREPARED;
vb2_set_plane_payload(&buf->vb, 0, buf->length);
return 0;
fail:
free_buffer(vq, buf);
return rc;
}
static void
buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
buffer_queue(struct vb2_buffer *vb)
{
struct au0828_buffer *buf = container_of(vb,
struct au0828_buffer,
vb);
struct au0828_fh *fh = vq->priv_data;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
struct au0828_dmaqueue *vidq = &dev->vidq;
unsigned long flags = 0;
buf->vb.state = VIDEOBUF_QUEUED;
list_add_tail(&buf->vb.queue, &vidq->active);
}
static void buffer_release(struct videobuf_queue *vq,
struct videobuf_buffer *vb)
{
struct au0828_buffer *buf = container_of(vb,
struct au0828_buffer,
vb);
buf->mem = vb2_plane_vaddr(vb, 0);
buf->length = vb2_plane_size(vb, 0);
free_buffer(vq, buf);
spin_lock_irqsave(&dev->slock, flags);
list_add_tail(&buf->list, &vidq->active);
spin_unlock_irqrestore(&dev->slock, flags);
}
static struct videobuf_queue_ops au0828_video_qops = {
.buf_setup = buffer_setup,
.buf_prepare = buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = buffer_release,
};
/* ------------------------------------------------------------------
V4L2 interface
------------------------------------------------------------------*/
static int au0828_i2s_init(struct au0828_dev *dev)
{
/* Enable i2s mode */
......@@ -828,7 +746,7 @@ static int au0828_analog_stream_enable(struct au0828_dev *d)
return 0;
}
int au0828_analog_stream_disable(struct au0828_dev *d)
static int au0828_analog_stream_disable(struct au0828_dev *d)
{
dprintk(1, "au0828_analog_stream_disable called\n");
au0828_writereg(d, AU0828_SENSORCTRL_100, 0x0);
......@@ -861,78 +779,133 @@ static int au0828_stream_interrupt(struct au0828_dev *dev)
return 0;
}
/*
* au0828_release_resources
* unregister v4l2 devices
*/
void au0828_analog_unregister(struct au0828_dev *dev)
int au0828_start_analog_streaming(struct vb2_queue *vq, unsigned int count)
{
dprintk(1, "au0828_release_resources called\n");
mutex_lock(&au0828_sysfs_lock);
struct au0828_dev *dev = vb2_get_drv_priv(vq);
int rc = 0;
if (dev->vdev)
video_unregister_device(dev->vdev);
if (dev->vbi_dev)
video_unregister_device(dev->vbi_dev);
dprintk(1, "au0828_start_analog_streaming called %d\n",
dev->streaming_users);
mutex_unlock(&au0828_sysfs_lock);
}
if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
dev->frame_count = 0;
else
dev->vbi_frame_count = 0;
if (dev->streaming_users == 0) {
/* If we were doing ac97 instead of i2s, it would go here...*/
au0828_i2s_init(dev);
rc = au0828_init_isoc(dev, AU0828_ISO_PACKETS_PER_URB,
AU0828_MAX_ISO_BUFS, dev->max_pkt_size,
au0828_isoc_copy);
if (rc < 0) {
pr_info("au0828_init_isoc failed\n");
return rc;
}
if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
v4l2_device_call_all(&dev->v4l2_dev, 0, video,
s_stream, 1);
dev->vid_timeout_running = 1;
mod_timer(&dev->vid_timeout, jiffies + (HZ / 10));
} else if (vq->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
dev->vbi_timeout_running = 1;
mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10));
}
}
dev->streaming_users++;
return rc;
}
/* Usage lock check functions */
static int res_get(struct au0828_fh *fh, unsigned int bit)
static void au0828_stop_streaming(struct vb2_queue *vq)
{
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = vb2_get_drv_priv(vq);
struct au0828_dmaqueue *vidq = &dev->vidq;
unsigned long flags = 0;
if (fh->resources & bit)
/* have it already allocated */
return 1;
dprintk(1, "au0828_stop_streaming called %d\n", dev->streaming_users);
/* is it free? */
if (dev->resources & bit) {
/* no, someone else uses it */
return 0;
if (dev->streaming_users-- == 1)
au0828_uninit_isoc(dev);
v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0);
dev->vid_timeout_running = 0;
del_timer_sync(&dev->vid_timeout);
spin_lock_irqsave(&dev->slock, flags);
if (dev->isoc_ctl.buf != NULL) {
vb2_buffer_done(&dev->isoc_ctl.buf->vb, VB2_BUF_STATE_ERROR);
dev->isoc_ctl.buf = NULL;
}
/* it's free, grab it */
fh->resources |= bit;
dev->resources |= bit;
dprintk(1, "res: get %d\n", bit);
while (!list_empty(&vidq->active)) {
struct au0828_buffer *buf;
return 1;
buf = list_entry(vidq->active.next, struct au0828_buffer, list);
vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
list_del(&buf->list);
}
spin_unlock_irqrestore(&dev->slock, flags);
}
static int res_check(struct au0828_fh *fh, unsigned int bit)
void au0828_stop_vbi_streaming(struct vb2_queue *vq)
{
return fh->resources & bit;
}
struct au0828_dev *dev = vb2_get_drv_priv(vq);
struct au0828_dmaqueue *vbiq = &dev->vbiq;
unsigned long flags = 0;
static int res_locked(struct au0828_dev *dev, unsigned int bit)
{
return dev->resources & bit;
}
dprintk(1, "au0828_stop_vbi_streaming called %d\n",
dev->streaming_users);
static void res_free(struct au0828_fh *fh, unsigned int bits)
{
struct au0828_dev *dev = fh->dev;
if (dev->streaming_users-- == 1)
au0828_uninit_isoc(dev);
BUG_ON((fh->resources & bits) != bits);
spin_lock_irqsave(&dev->slock, flags);
if (dev->isoc_ctl.vbi_buf != NULL) {
vb2_buffer_done(&dev->isoc_ctl.vbi_buf->vb,
VB2_BUF_STATE_ERROR);
dev->isoc_ctl.vbi_buf = NULL;
}
while (!list_empty(&vbiq->active)) {
struct au0828_buffer *buf;
buf = list_entry(vbiq->active.next, struct au0828_buffer, list);
list_del(&buf->list);
vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
}
spin_unlock_irqrestore(&dev->slock, flags);
fh->resources &= ~bits;
dev->resources &= ~bits;
dprintk(1, "res: put %d\n", bits);
dev->vbi_timeout_running = 0;
del_timer_sync(&dev->vbi_timeout);
}
static int get_ressource(struct au0828_fh *fh)
static struct vb2_ops au0828_video_qops = {
.queue_setup = queue_setup,
.buf_prepare = buffer_prepare,
.buf_queue = buffer_queue,
.start_streaming = au0828_start_analog_streaming,
.stop_streaming = au0828_stop_streaming,
.wait_prepare = vb2_ops_wait_prepare,
.wait_finish = vb2_ops_wait_finish,
};
/* ------------------------------------------------------------------
V4L2 interface
------------------------------------------------------------------*/
/*
* au0828_analog_unregister
* unregister v4l2 devices
*/
void au0828_analog_unregister(struct au0828_dev *dev)
{
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
return AU0828_RESOURCE_VIDEO;
case V4L2_BUF_TYPE_VBI_CAPTURE:
return AU0828_RESOURCE_VBI;
default:
BUG();
return 0;
}
dprintk(1, "au0828_analog_unregister called\n");
mutex_lock(&au0828_sysfs_lock);
if (dev->vdev)
video_unregister_device(dev->vdev);
if (dev->vbi_dev)
video_unregister_device(dev->vbi_dev);
mutex_unlock(&au0828_sysfs_lock);
}
/* This function ensures that video frames continue to be delivered even if
......@@ -950,8 +923,8 @@ static void au0828_vid_buffer_timeout(unsigned long data)
buf = dev->isoc_ctl.buf;
if (buf != NULL) {
vid_data = videobuf_to_vmalloc(&buf->vb);
memset(vid_data, 0x00, buf->vb.size); /* Blank green frame */
vid_data = vb2_plane_vaddr(&buf->vb, 0);
memset(vid_data, 0x00, buf->length); /* Blank green frame */
buffer_filled(dev, dma_q, buf);
}
get_next_buf(dma_q, &buf);
......@@ -974,8 +947,8 @@ static void au0828_vbi_buffer_timeout(unsigned long data)
buf = dev->isoc_ctl.vbi_buf;
if (buf != NULL) {
vbi_data = videobuf_to_vmalloc(&buf->vb);
memset(vbi_data, 0x00, buf->vb.size);
vbi_data = vb2_plane_vaddr(&buf->vb, 0);
memset(vbi_data, 0x00, buf->length);
vbi_buffer_filled(dev, dma_q, buf);
}
vbi_get_next_buf(dma_q, &buf);
......@@ -985,105 +958,65 @@ static void au0828_vbi_buffer_timeout(unsigned long data)
spin_unlock_irqrestore(&dev->slock, flags);
}
static int au0828_v4l2_open(struct file *filp)
{
int ret = 0;
struct video_device *vdev = video_devdata(filp);
struct au0828_dev *dev = video_drvdata(filp);
struct au0828_fh *fh;
int type;
switch (vdev->vfl_type) {
case VFL_TYPE_GRABBER:
type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
break;
case VFL_TYPE_VBI:
type = V4L2_BUF_TYPE_VBI_CAPTURE;
break;
default:
return -EINVAL;
}
fh = kzalloc(sizeof(struct au0828_fh), GFP_KERNEL);
if (NULL == fh) {
dprintk(1, "Failed allocate au0828_fh struct!\n");
return -ENOMEM;
}
int ret;
fh->type = type;
fh->dev = dev;
v4l2_fh_init(&fh->fh, vdev);
filp->private_data = fh;
dprintk(1,
"%s called std_set %d dev_state %d stream users %d users %d\n",
__func__, dev->std_set_in_tuner_core, dev->dev_state,
dev->streaming_users, dev->users);
if (mutex_lock_interruptible(&dev->lock)) {
kfree(fh);
if (mutex_lock_interruptible(&dev->lock))
return -ERESTARTSYS;
ret = v4l2_fh_open(filp);
if (ret) {
au0828_isocdbg("%s: v4l2_fh_open() returned error %d\n",
__func__, ret);
mutex_unlock(&dev->lock);
return ret;
}
if (dev->users == 0) {
au0828_analog_stream_enable(dev);
au0828_analog_stream_reset(dev);
/* If we were doing ac97 instead of i2s, it would go here...*/
au0828_i2s_init(dev);
dev->stream_state = STREAM_OFF;
dev->dev_state |= DEV_INITIALIZED;
}
dev->users++;
mutex_unlock(&dev->lock);
videobuf_queue_vmalloc_init(&fh->vb_vidq, &au0828_video_qops,
NULL, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct au0828_buffer), fh,
&dev->lock);
/* VBI Setup */
videobuf_queue_vmalloc_init(&fh->vb_vbiq, &au0828_vbi_qops,
NULL, &dev->slock,
V4L2_BUF_TYPE_VBI_CAPTURE,
V4L2_FIELD_SEQ_TB,
sizeof(struct au0828_buffer), fh,
&dev->lock);
v4l2_fh_add(&fh->fh);
return ret;
}
static int au0828_v4l2_close(struct file *filp)
{
int ret;
struct au0828_fh *fh = filp->private_data;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(filp);
struct video_device *vdev = video_devdata(filp);
dprintk(1,
"%s called std_set %d dev_state %d stream users %d users %d\n",
__func__, dev->std_set_in_tuner_core, dev->dev_state,
dev->streaming_users, dev->users);
v4l2_fh_del(&fh->fh);
v4l2_fh_exit(&fh->fh);
mutex_lock(&dev->lock);
if (res_check(fh, AU0828_RESOURCE_VIDEO)) {
if (vdev->vfl_type == VFL_TYPE_GRABBER && dev->vid_timeout_running) {
/* Cancel timeout thread in case they didn't call streamoff */
dev->vid_timeout_running = 0;
del_timer_sync(&dev->vid_timeout);
videobuf_stop(&fh->vb_vidq);
res_free(fh, AU0828_RESOURCE_VIDEO);
}
if (res_check(fh, AU0828_RESOURCE_VBI)) {
} else if (vdev->vfl_type == VFL_TYPE_VBI &&
dev->vbi_timeout_running) {
/* Cancel timeout thread in case they didn't call streamoff */
dev->vbi_timeout_running = 0;
del_timer_sync(&dev->vbi_timeout);
videobuf_stop(&fh->vb_vbiq);
res_free(fh, AU0828_RESOURCE_VBI);
}
if (dev->users == 1 && video_is_registered(video_devdata(filp))) {
au0828_analog_stream_disable(dev);
au0828_uninit_isoc(dev);
if (dev->dev_state == DEV_DISCONNECTED)
goto end;
if (dev->users == 1) {
/* Save some power by putting tuner to sleep */
v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0);
dev->std_set_in_tuner_core = 0;
......@@ -1094,13 +1027,10 @@ static int au0828_v4l2_close(struct file *filp)
if (ret < 0)
pr_info("Au0828 can't set alternate to 0!\n");
}
mutex_unlock(&dev->lock);
videobuf_mmap_free(&fh->vb_vidq);
videobuf_mmap_free(&fh->vb_vbiq);
kfree(fh);
end:
_vb2_fop_release(filp, NULL);
dev->users--;
wake_up_interruptible_nr(&dev->open, 1);
mutex_unlock(&dev->lock);
return 0;
}
......@@ -1112,6 +1042,9 @@ static void au0828_init_tuner(struct au0828_dev *dev)
.type = V4L2_TUNER_ANALOG_TV,
};
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
if (dev->std_set_in_tuner_core)
return;
dev->std_set_in_tuner_core = 1;
......@@ -1124,98 +1057,6 @@ static void au0828_init_tuner(struct au0828_dev *dev)
i2c_gate_ctrl(dev, 0);
}
static ssize_t au0828_v4l2_read(struct file *filp, char __user *buf,
size_t count, loff_t *pos)
{
struct au0828_fh *fh = filp->private_data;
struct au0828_dev *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
if (mutex_lock_interruptible(&dev->lock))
return -ERESTARTSYS;
au0828_init_tuner(dev);
mutex_unlock(&dev->lock);
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
if (res_locked(dev, AU0828_RESOURCE_VIDEO))
return -EBUSY;
return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0,
filp->f_flags & O_NONBLOCK);
}
if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
if (!res_get(fh, AU0828_RESOURCE_VBI))
return -EBUSY;
if (dev->vbi_timeout_running == 0) {
/* Handle case where caller tries to read without
calling streamon first */
dev->vbi_timeout_running = 1;
mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10));
}
return videobuf_read_stream(&fh->vb_vbiq, buf, count, pos, 0,
filp->f_flags & O_NONBLOCK);
}
return 0;
}
static unsigned int au0828_v4l2_poll(struct file *filp, poll_table *wait)
{
struct au0828_fh *fh = filp->private_data;
struct au0828_dev *dev = fh->dev;
unsigned long req_events = poll_requested_events(wait);
unsigned int res;
if (check_dev(dev) < 0)
return POLLERR;
res = v4l2_ctrl_poll(filp, wait);
if (!(req_events & (POLLIN | POLLRDNORM)))
return res;
if (mutex_lock_interruptible(&dev->lock))
return -ERESTARTSYS;
au0828_init_tuner(dev);
mutex_unlock(&dev->lock);
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
if (!res_get(fh, AU0828_RESOURCE_VIDEO))
return POLLERR;
return res | videobuf_poll_stream(filp, &fh->vb_vidq, wait);
}
if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
if (!res_get(fh, AU0828_RESOURCE_VBI))
return POLLERR;
return res | videobuf_poll_stream(filp, &fh->vb_vbiq, wait);
}
return POLLERR;
}
static int au0828_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
{
struct au0828_fh *fh = filp->private_data;
struct au0828_dev *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
rc = videobuf_mmap_mapper(&fh->vb_vidq, vma);
else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
rc = videobuf_mmap_mapper(&fh->vb_vbiq, vma);
return rc;
}
static int au0828_set_format(struct au0828_dev *dev, unsigned int cmd,
struct v4l2_format *format)
{
......@@ -1267,13 +1108,14 @@ static int au0828_set_format(struct au0828_dev *dev, unsigned int cmd,
return 0;
}
static int vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
struct video_device *vdev = video_devdata(file);
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
strlcpy(cap->driver, "au0828", sizeof(cap->driver));
strlcpy(cap->card, dev->board.name, sizeof(cap->card));
......@@ -1299,6 +1141,8 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
if (f->index)
return -EINVAL;
dprintk(1, "%s called\n", __func__);
f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
strcpy(f->description, "Packed YUV2");
......@@ -1311,8 +1155,10 @@ 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 au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
f->fmt.pix.width = dev->width;
f->fmt.pix.height = dev->height;
......@@ -1328,8 +1174,10 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
return au0828_set_format(dev, VIDIOC_TRY_FMT, f);
}
......@@ -1337,15 +1185,17 @@ 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 au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
int rc;
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
rc = check_dev(dev);
if (rc < 0)
return rc;
if (videobuf_queue_is_busy(&fh->vb_vidq)) {
if (vb2_is_busy(&dev->vb_vidq)) {
pr_info("%s queue busy\n", __func__);
rc = -EBUSY;
goto out;
......@@ -1358,8 +1208,16 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
if (norm == dev->std)
return 0;
if (dev->streaming_users > 0)
return -EBUSY;
dev->std = norm;
......@@ -1382,8 +1240,10 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm)
static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
*norm = dev->std;
return 0;
......@@ -1392,8 +1252,7 @@ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm)
static int vidioc_enum_input(struct file *file, void *priv,
struct v4l2_input *input)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
unsigned int tmp;
static const char *inames[] = {
......@@ -1406,6 +1265,9 @@ static int vidioc_enum_input(struct file *file, void *priv,
[AU0828_VMUX_DEBUG] = "tv debug"
};
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
tmp = input->index;
if (tmp >= AU0828_MAX_INPUT)
......@@ -1431,8 +1293,11 @@ static int vidioc_enum_input(struct file *file, void *priv,
static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
*i = dev->ctrl_input;
return 0;
}
......@@ -1441,6 +1306,9 @@ static void au0828_s_input(struct au0828_dev *dev, int index)
{
int i;
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
switch (AUVI_INPUT(index).type) {
case AU0828_VMUX_SVIDEO:
dev->input_type = AU0828_VMUX_SVIDEO;
......@@ -1490,8 +1358,7 @@ static void au0828_s_input(struct au0828_dev *dev, int index)
static int vidioc_s_input(struct file *file, void *priv, unsigned int index)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
dprintk(1, "VIDIOC_S_INPUT in function %s, input=%d\n", __func__,
index);
......@@ -1509,6 +1376,8 @@ static int vidioc_enumaudio(struct file *file, void *priv, struct v4l2_audio *a)
if (a->index > 1)
return -EINVAL;
dprintk(1, "%s called\n", __func__);
if (a->index == 0)
strcpy(a->name, "Television");
else
......@@ -1520,8 +1389,10 @@ static int vidioc_enumaudio(struct file *file, void *priv, struct v4l2_audio *a)
static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
a->index = dev->ctrl_ainput;
if (a->index == 0)
......@@ -1535,22 +1406,26 @@ static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
if (a->index != dev->ctrl_ainput)
return -EINVAL;
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
return 0;
}
static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
if (t->index != 0)
return -EINVAL;
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
strcpy(t->name, "Auvitek tuner");
au0828_init_tuner(dev);
......@@ -1563,12 +1438,14 @@ static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
static int vidioc_s_tuner(struct file *file, void *priv,
const struct v4l2_tuner *t)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
if (t->index != 0)
return -EINVAL;
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
au0828_init_tuner(dev);
i2c_gate_ctrl(dev, 1);
v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t);
......@@ -1584,11 +1461,12 @@ static int vidioc_s_tuner(struct file *file, void *priv,
static int vidioc_g_frequency(struct file *file, void *priv,
struct v4l2_frequency *freq)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
if (freq->tuner != 0)
return -EINVAL;
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
freq->frequency = dev->ctrl_freq;
return 0;
}
......@@ -1596,13 +1474,15 @@ static int vidioc_g_frequency(struct file *file, void *priv,
static int vidioc_s_frequency(struct file *file, void *priv,
const struct v4l2_frequency *freq)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
struct v4l2_frequency new_freq = *freq;
if (freq->tuner != 0)
return -EINVAL;
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
au0828_init_tuner(dev);
i2c_gate_ctrl(dev, 1);
......@@ -1624,8 +1504,10 @@ static int vidioc_s_frequency(struct file *file, void *priv,
static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
struct v4l2_format *format)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
format->fmt.vbi.samples_per_line = dev->vbi_width;
format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
......@@ -1645,12 +1527,14 @@ static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
static int vidioc_cropcap(struct file *file, void *priv,
struct v4l2_cropcap *cc)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
cc->bounds.left = 0;
cc->bounds.top = 0;
cc->bounds.width = dev->width;
......@@ -1664,105 +1548,14 @@ static int vidioc_cropcap(struct file *file, void *priv,
return 0;
}
static int vidioc_streamon(struct file *file, void *priv,
enum v4l2_buf_type type)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
int rc = -EINVAL;
rc = check_dev(dev);
if (rc < 0)
return rc;
if (unlikely(type != fh->type))
return -EINVAL;
dprintk(1, "vidioc_streamon fh=%p t=%d fh->res=%d dev->res=%d\n",
fh, type, fh->resources, dev->resources);
if (unlikely(!res_get(fh, get_ressource(fh))))
return -EBUSY;
au0828_init_tuner(dev);
if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
au0828_analog_stream_enable(dev);
v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 1);
}
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
rc = videobuf_streamon(&fh->vb_vidq);
dev->vid_timeout_running = 1;
mod_timer(&dev->vid_timeout, jiffies + (HZ / 10));
} else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
rc = videobuf_streamon(&fh->vb_vbiq);
dev->vbi_timeout_running = 1;
mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10));
}
return rc;
}
static int vidioc_streamoff(struct file *file, void *priv,
enum v4l2_buf_type type)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
int rc;
int i;
rc = check_dev(dev);
if (rc < 0)
return rc;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)
return -EINVAL;
if (type != fh->type)
return -EINVAL;
dprintk(1, "vidioc_streamoff fh=%p t=%d fh->res=%d dev->res=%d\n",
fh, type, fh->resources, dev->resources);
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
dev->vid_timeout_running = 0;
del_timer_sync(&dev->vid_timeout);
au0828_analog_stream_disable(dev);
v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0);
rc = au0828_stream_interrupt(dev);
if (rc != 0)
return rc;
for (i = 0; i < AU0828_MAX_INPUT; i++) {
if (AUVI_INPUT(i).audio_setup == NULL)
continue;
(AUVI_INPUT(i).audio_setup)(dev, 0);
}
if (res_check(fh, AU0828_RESOURCE_VIDEO)) {
videobuf_streamoff(&fh->vb_vidq);
res_free(fh, AU0828_RESOURCE_VIDEO);
}
} else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
dev->vbi_timeout_running = 0;
del_timer_sync(&dev->vbi_timeout);
if (res_check(fh, AU0828_RESOURCE_VBI)) {
videobuf_streamoff(&fh->vb_vbiq);
res_free(fh, AU0828_RESOURCE_VBI);
}
}
return 0;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int vidioc_g_register(struct file *file, void *priv,
struct v4l2_dbg_register *reg)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
reg->val = au0828_read(dev, reg->reg);
reg->size = 1;
......@@ -1772,8 +1565,10 @@ static int vidioc_g_register(struct file *file, void *priv,
static int vidioc_s_register(struct file *file, void *priv,
const struct v4l2_dbg_register *reg)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
struct au0828_dev *dev = video_drvdata(file);
dprintk(1, "%s called std_set %d dev_state %d\n", __func__,
dev->std_set_in_tuner_core, dev->dev_state);
return au0828_writereg(dev, reg->reg, reg->val);
}
......@@ -1783,93 +1578,13 @@ static int vidioc_log_status(struct file *file, void *fh)
{
struct video_device *vdev = video_devdata(file);
dprintk(1, "%s called\n", __func__);
v4l2_ctrl_log_status(file, fh);
v4l2_device_call_all(vdev->v4l2_dev, 0, core, log_status);
return 0;
}
static int vidioc_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *rb)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
rc = videobuf_reqbufs(&fh->vb_vidq, rb);
else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
rc = videobuf_reqbufs(&fh->vb_vbiq, rb);
return rc;
}
static int vidioc_querybuf(struct file *file, void *priv,
struct v4l2_buffer *b)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
rc = videobuf_querybuf(&fh->vb_vidq, b);
else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
rc = videobuf_querybuf(&fh->vb_vbiq, b);
return rc;
}
static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
rc = videobuf_qbuf(&fh->vb_vidq, b);
else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
rc = videobuf_qbuf(&fh->vb_vbiq, b);
return rc;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
{
struct au0828_fh *fh = priv;
struct au0828_dev *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
/* Workaround for a bug in the au0828 hardware design that sometimes
results in the colorspace being inverted */
if (dev->greenscreen_detected == 1) {
dprintk(1, "Detected green frame. Resetting stream...\n");
au0828_analog_stream_reset(dev);
dev->greenscreen_detected = 0;
}
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
rc = videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK);
else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
rc = videobuf_dqbuf(&fh->vb_vbiq, b, file->f_flags & O_NONBLOCK);
return rc;
}
void au0828_v4l2_suspend(struct au0828_dev *dev)
{
struct urb *urb;
......@@ -1937,9 +1652,9 @@ static struct v4l2_file_operations au0828_v4l_fops = {
.owner = THIS_MODULE,
.open = au0828_v4l2_open,
.release = au0828_v4l2_close,
.read = au0828_v4l2_read,
.poll = au0828_v4l2_poll,
.mmap = au0828_v4l2_mmap,
.read = vb2_fop_read,
.poll = vb2_fop_poll,
.mmap = vb2_fop_mmap,
.unlocked_ioctl = video_ioctl2,
};
......@@ -1956,17 +1671,24 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_g_audio = vidioc_g_audio,
.vidioc_s_audio = vidioc_s_audio,
.vidioc_cropcap = vidioc_cropcap,
.vidioc_reqbufs = vidioc_reqbufs,
.vidioc_querybuf = vidioc_querybuf,
.vidioc_qbuf = vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
.vidioc_reqbufs = vb2_ioctl_reqbufs,
.vidioc_create_bufs = vb2_ioctl_create_bufs,
.vidioc_prepare_buf = vb2_ioctl_prepare_buf,
.vidioc_querybuf = vb2_ioctl_querybuf,
.vidioc_qbuf = vb2_ioctl_qbuf,
.vidioc_dqbuf = vb2_ioctl_dqbuf,
.vidioc_expbuf = vb2_ioctl_expbuf,
.vidioc_s_std = vidioc_s_std,
.vidioc_g_std = vidioc_g_std,
.vidioc_enum_input = vidioc_enum_input,
.vidioc_g_input = vidioc_g_input,
.vidioc_s_input = vidioc_s_input,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_streamon = vb2_ioctl_streamon,
.vidioc_streamoff = vb2_ioctl_streamoff,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
.vidioc_g_frequency = vidioc_g_frequency,
......@@ -1987,6 +1709,42 @@ static const struct video_device au0828_video_template = {
.tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL_M,
};
static int au0828_vb2_setup(struct au0828_dev *dev)
{
int rc;
struct vb2_queue *q;
/* Setup Videobuf2 for Video capture */
q = &dev->vb_vidq;
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->drv_priv = dev;
q->buf_struct_size = sizeof(struct au0828_buffer);
q->ops = &au0828_video_qops;
q->mem_ops = &vb2_vmalloc_memops;
rc = vb2_queue_init(q);
if (rc < 0)
return rc;
/* Setup Videobuf2 for VBI capture */
q = &dev->vb_vbiq;
q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->drv_priv = dev;
q->buf_struct_size = sizeof(struct au0828_buffer);
q->ops = &au0828_vbi_qops;
q->mem_ops = &vb2_vmalloc_memops;
rc = vb2_queue_init(q);
if (rc < 0)
return rc;
return 0;
}
/**************************************************************************/
int au0828_analog_register(struct au0828_dev *dev,
......@@ -2037,9 +1795,7 @@ int au0828_analog_register(struct au0828_dev *dev,
/* init video dma queues */
INIT_LIST_HEAD(&dev->vidq.active);
INIT_LIST_HEAD(&dev->vidq.queued);
INIT_LIST_HEAD(&dev->vbiq.active);
INIT_LIST_HEAD(&dev->vbiq.queued);
setup_timer(&dev->vid_timeout, au0828_vid_buffer_timeout,
(unsigned long)dev);
......@@ -2073,18 +1829,34 @@ int au0828_analog_register(struct au0828_dev *dev,
goto err_vdev;
}
mutex_init(&dev->vb_queue_lock);
mutex_init(&dev->vb_vbi_queue_lock);
/* Fill the video capture device struct */
*dev->vdev = au0828_video_template;
dev->vdev->v4l2_dev = &dev->v4l2_dev;
dev->vdev->lock = &dev->lock;
dev->vdev->queue = &dev->vb_vidq;
dev->vdev->queue->lock = &dev->vb_queue_lock;
strcpy(dev->vdev->name, "au0828a video");
/* Setup the VBI device */
*dev->vbi_dev = au0828_video_template;
dev->vbi_dev->v4l2_dev = &dev->v4l2_dev;
dev->vbi_dev->lock = &dev->lock;
dev->vbi_dev->queue = &dev->vb_vbiq;
dev->vbi_dev->queue->lock = &dev->vb_vbi_queue_lock;
strcpy(dev->vbi_dev->name, "au0828a vbi");
/* initialize videobuf2 stuff */
retval = au0828_vb2_setup(dev);
if (retval != 0) {
dprintk(1, "unable to setup videobuf2 queues (error = %d).\n",
retval);
ret = -ENODEV;
goto err_vbi_dev;
}
/* Register the v4l2 device */
video_set_drvdata(dev->vdev, dev);
retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER, -1);
......@@ -2092,7 +1864,7 @@ int au0828_analog_register(struct au0828_dev *dev,
dprintk(1, "unable to register video device (error = %d).\n",
retval);
ret = -ENODEV;
goto err_vbi_dev;
goto err_reg_vdev;
}
/* Register the vbi device */
......@@ -2102,13 +1874,18 @@ int au0828_analog_register(struct au0828_dev *dev,
dprintk(1, "unable to register vbi device (error = %d).\n",
retval);
ret = -ENODEV;
goto err_vbi_dev;
goto err_reg_vbi_dev;
}
dprintk(1, "%s completed!\n", __func__);
return 0;
err_reg_vbi_dev:
video_unregister_device(dev->vdev);
err_reg_vdev:
vb2_queue_release(&dev->vb_vidq);
vb2_queue_release(&dev->vb_vbiq);
err_vbi_dev:
video_device_release(dev->vbi_dev);
err_vdev:
......
drivers/media/usb/au0828/au0828.h
View file @ 05439b1a
......@@ -28,7 +28,7 @@
/* Analog */
#include <linux/videodev2.h>
#include <media/videobuf-vmalloc.h>
#include <media/videobuf2-vmalloc.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-fh.h>
......@@ -126,17 +126,7 @@ enum au0828_dev_state {
DEV_MISCONFIGURED = 0x04
};
struct au0828_fh {
/* must be the first field of this struct! */
struct v4l2_fh fh;
struct au0828_dev *dev;
unsigned int resources;
struct videobuf_queue vb_vidq;
struct videobuf_queue vb_vbiq;
enum v4l2_buf_type type;
};
struct au0828_dev;
struct au0828_usb_isoc_ctl {
/* max packet size of isoc transaction */
......@@ -177,19 +167,18 @@ struct au0828_usb_isoc_ctl {
/* buffer for one video frame */
struct au0828_buffer {
/* common v4l buffer stuff -- must be first */
struct videobuf_buffer vb;
struct vb2_buffer vb;
struct list_head list;
struct list_head frame;
void *mem;
unsigned long length;
int top_field;
int receiving;
/* pointer to vmalloc memory address in vb */
char *vb_buf;
};
struct au0828_dmaqueue {
struct list_head active;
struct list_head queued;
wait_queue_head_t wq;
/* Counters to control buffer fill */
int pos;
};
......@@ -220,14 +209,26 @@ struct au0828_dev {
struct au0828_rc *ir;
#endif
int users;
unsigned int resources; /* resources in use */
struct video_device *vdev;
struct video_device *vbi_dev;
/* Videobuf2 */
struct vb2_queue vb_vidq;
struct vb2_queue vb_vbiq;
struct mutex vb_queue_lock;
struct mutex vb_vbi_queue_lock;
unsigned int frame_count;
unsigned int vbi_frame_count;
struct timer_list vid_timeout;
int vid_timeout_running;
struct timer_list vbi_timeout;
int vbi_timeout_running;
int users;
int streaming_users;
int width;
int height;
int vbi_width;
......@@ -242,7 +243,6 @@ struct au0828_dev {
__u8 isoc_in_endpointaddr;
u8 isoc_init_ok;
int greenscreen_detected;
unsigned int frame_count;
int ctrl_freq;
int input_type;
int std_set_in_tuner_core;
......@@ -277,6 +277,7 @@ struct au0828_dev {
char *dig_transfer_buffer[URB_COUNT];
};
/* ----------------------------------------------------------- */
#define au0828_read(dev, reg) au0828_readreg(dev, reg)
#define au0828_write(dev, reg, value) au0828_writereg(dev, reg, value)
......@@ -309,13 +310,15 @@ extern int au0828_i2c_unregister(struct au0828_dev *dev);
/* ----------------------------------------------------------- */
/* au0828-video.c */
int au0828_analog_register(struct au0828_dev *dev,
extern int au0828_analog_register(struct au0828_dev *dev,
struct usb_interface *interface);
int au0828_analog_stream_disable(struct au0828_dev *d);
void au0828_analog_unregister(struct au0828_dev *dev);
extern void au0828_analog_unregister(struct au0828_dev *dev);
extern int au0828_start_analog_streaming(struct vb2_queue *vq,
unsigned int count);
extern void au0828_stop_vbi_streaming(struct vb2_queue *vq);
#ifdef CONFIG_VIDEO_AU0828_V4L2
void au0828_v4l2_suspend(struct au0828_dev *dev);
void au0828_v4l2_resume(struct au0828_dev *dev);
extern void au0828_v4l2_suspend(struct au0828_dev *dev);
extern void au0828_v4l2_resume(struct au0828_dev *dev);
#else
static inline void au0828_v4l2_suspend(struct au0828_dev *dev) { };
static inline void au0828_v4l2_resume(struct au0828_dev *dev) { };
......@@ -329,7 +332,7 @@ void au0828_dvb_suspend(struct au0828_dev *dev);
void au0828_dvb_resume(struct au0828_dev *dev);
/* au0828-vbi.c */
extern struct videobuf_queue_ops au0828_vbi_qops;
extern struct vb2_ops au0828_vbi_qops;
#define dprintk(level, fmt, arg...)\
do { if (au0828_debug & level)\
......
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