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authorGerd Knorr <devnull@localhost>2004-09-23 13:58:19 +0000
committerGerd Knorr <devnull@localhost>2004-09-23 13:58:19 +0000
commit2f9202097e4418d085a0d6ef636de1d0b0fb84dd (patch)
tree346e618d5502ac1f9abce855416aad2bb0b20a47 /linux/drivers/media/video/video-buf.c
parent953f8692136acd6aa9201f9388697a7005756894 (diff)
downloadmediapointer-dvb-s2-2f9202097e4418d085a0d6ef636de1d0b0fb84dd.tar.gz
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- make video-bufg don't touch struct file any more, pass through
a void ptr instead of a file ptr everythere. - add cx22702 fe driver,
Diffstat (limited to 'linux/drivers/media/video/video-buf.c')
-rw-r--r--linux/drivers/media/video/video-buf.c102
1 files changed, 51 insertions, 51 deletions
diff --git a/linux/drivers/media/video/video-buf.c b/linux/drivers/media/video/video-buf.c
index f00a5b9a5..0758b1daf 100644
--- a/linux/drivers/media/video/video-buf.c
+++ b/linux/drivers/media/video/video-buf.c
@@ -1,5 +1,5 @@
/*
- * $Id: video-buf.c,v 1.10 2004/09/15 16:15:24 kraxel Exp $
+ * $Id: video-buf.c,v 1.11 2004/09/23 13:58:19 kraxel Exp $
*
* generic helper functions for video4linux capture buffers, to handle
* memory management and PCI DMA. Right now bttv + saa7134 use it.
@@ -430,7 +430,7 @@ videobuf_queue_is_busy(struct videobuf_queue *q)
}
void
-videobuf_queue_cancel(struct file *file, struct videobuf_queue *q)
+videobuf_queue_cancel(void *priv, struct videobuf_queue *q)
{
unsigned long flags;
int i;
@@ -451,7 +451,7 @@ videobuf_queue_cancel(struct file *file, struct videobuf_queue *q)
for (i = 0; i < VIDEO_MAX_FRAME; i++) {
if (NULL == q->bufs[i])
continue;
- q->ops->buf_release(file,q->bufs[i]);
+ q->ops->buf_release(priv,q->bufs[i]);
}
INIT_LIST_HEAD(&q->stream);
}
@@ -533,7 +533,7 @@ videobuf_status(struct v4l2_buffer *b, struct videobuf_buffer *vb,
}
int
-videobuf_reqbufs(struct file *file, struct videobuf_queue *q,
+videobuf_reqbufs(void *priv, struct videobuf_queue *q,
struct v4l2_requestbuffers *req)
{
unsigned int size,count;
@@ -558,12 +558,12 @@ videobuf_reqbufs(struct file *file, struct videobuf_queue *q,
if (count > VIDEO_MAX_FRAME)
count = VIDEO_MAX_FRAME;
size = 0;
- q->ops->buf_setup(file,&count,&size);
+ q->ops->buf_setup(priv,&count,&size);
size = PAGE_ALIGN(size);
dprintk(1,"reqbufs: bufs=%d, size=0x%x [%d pages total]\n",
count, size, (count*size)>>PAGE_SHIFT);
- retval = videobuf_mmap_setup(file,q,count,size,req->memory);
+ retval = videobuf_mmap_setup(priv,q,count,size,req->memory);
if (retval < 0)
goto done;
@@ -588,7 +588,7 @@ videobuf_querybuf(struct videobuf_queue *q, struct v4l2_buffer *b)
}
int
-videobuf_qbuf(struct file *file, struct videobuf_queue *q,
+videobuf_qbuf(void *priv, struct videobuf_queue *q,
struct v4l2_buffer *b)
{
struct videobuf_buffer *buf;
@@ -632,7 +632,7 @@ videobuf_qbuf(struct file *file, struct videobuf_queue *q,
if (b->length < buf->bsize)
goto done;
if (STATE_NEEDS_INIT != buf->state && buf->baddr != b->m.userptr)
- q->ops->buf_release(file,buf);
+ q->ops->buf_release(priv,buf);
buf->baddr = b->m.userptr;
break;
case V4L2_MEMORY_OVERLAY:
@@ -643,14 +643,14 @@ videobuf_qbuf(struct file *file, struct videobuf_queue *q,
}
field = videobuf_next_field(q);
- retval = q->ops->buf_prepare(file,buf,field);
+ retval = q->ops->buf_prepare(priv,buf,field);
if (0 != retval)
goto done;
list_add_tail(&buf->stream,&q->stream);
if (q->streaming) {
spin_lock_irqsave(q->irqlock,flags);
- q->ops->buf_queue(file,buf);
+ q->ops->buf_queue(priv,buf);
spin_unlock_irqrestore(q->irqlock,flags);
}
retval = 0;
@@ -661,8 +661,8 @@ videobuf_qbuf(struct file *file, struct videobuf_queue *q,
}
int
-videobuf_dqbuf(struct file *file, struct videobuf_queue *q,
- struct v4l2_buffer *b)
+videobuf_dqbuf(void *priv, struct videobuf_queue *q,
+ struct v4l2_buffer *b, int nonblocking)
{
struct videobuf_buffer *buf;
int retval;
@@ -677,7 +677,7 @@ videobuf_dqbuf(struct file *file, struct videobuf_queue *q,
if (list_empty(&q->stream))
goto done;
buf = list_entry(q->stream.next, struct videobuf_buffer, stream);
- retval = videobuf_waiton(buf, file->f_flags & O_NONBLOCK, 1);
+ retval = videobuf_waiton(buf, nonblocking, 1);
if (retval < 0)
goto done;
switch (buf->state) {
@@ -701,7 +701,7 @@ videobuf_dqbuf(struct file *file, struct videobuf_queue *q,
return retval;
}
-int videobuf_streamon(struct file *file, struct videobuf_queue *q)
+int videobuf_streamon(void *priv, struct videobuf_queue *q)
{
struct videobuf_buffer *buf;
struct list_head *list;
@@ -720,7 +720,7 @@ int videobuf_streamon(struct file *file, struct videobuf_queue *q)
list_for_each(list,&q->stream) {
buf = list_entry(list, struct videobuf_buffer, stream);
if (buf->state == STATE_PREPARED)
- q->ops->buf_queue(file,buf);
+ q->ops->buf_queue(priv,buf);
}
spin_unlock_irqrestore(q->irqlock,flags);
@@ -729,14 +729,14 @@ int videobuf_streamon(struct file *file, struct videobuf_queue *q)
return retval;
}
-int videobuf_streamoff(struct file *file, struct videobuf_queue *q)
+int videobuf_streamoff(void *priv, struct videobuf_queue *q)
{
int retval = -EINVAL;
down(&q->lock);
if (!q->streaming)
goto done;
- videobuf_queue_cancel(file,q);
+ videobuf_queue_cancel(priv,q);
q->streaming = 0;
retval = 0;
@@ -746,7 +746,7 @@ int videobuf_streamoff(struct file *file, struct videobuf_queue *q)
}
static ssize_t
-videobuf_read_zerocopy(struct file *file, struct videobuf_queue *q,
+videobuf_read_zerocopy(void *priv, struct videobuf_queue *q,
char __user *data, size_t count, loff_t *ppos)
{
enum v4l2_field field;
@@ -763,13 +763,13 @@ videobuf_read_zerocopy(struct file *file, struct videobuf_queue *q,
q->read_buf->baddr = (unsigned long)data;
q->read_buf->bsize = count;
field = videobuf_next_field(q);
- retval = q->ops->buf_prepare(file,q->read_buf,field);
+ retval = q->ops->buf_prepare(priv,q->read_buf,field);
if (0 != retval)
goto done;
/* start capture & wait */
spin_lock_irqsave(q->irqlock,flags);
- q->ops->buf_queue(file,q->read_buf);
+ q->ops->buf_queue(priv,q->read_buf);
spin_unlock_irqrestore(q->irqlock,flags);
retval = videobuf_waiton(q->read_buf,0,0);
if (0 == retval) {
@@ -782,14 +782,15 @@ videobuf_read_zerocopy(struct file *file, struct videobuf_queue *q,
done:
/* cleanup */
- q->ops->buf_release(file,q->read_buf);
+ q->ops->buf_release(priv,q->read_buf);
kfree(q->read_buf);
q->read_buf = NULL;
return retval;
}
-ssize_t videobuf_read_one(struct file *file, struct videobuf_queue *q,
- char __user *data, size_t count, loff_t *ppos)
+ssize_t videobuf_read_one(void *priv, struct videobuf_queue *q,
+ char __user *data, size_t count, loff_t *ppos,
+ int nonblocking)
{
enum v4l2_field field;
unsigned long flags;
@@ -799,11 +800,11 @@ ssize_t videobuf_read_one(struct file *file, struct videobuf_queue *q,
down(&q->lock);
nbufs = 1; size = 0;
- q->ops->buf_setup(file,&nbufs,&size);
+ q->ops->buf_setup(priv,&nbufs,&size);
if (NULL == q->read_buf &&
count >= size &&
- !(file->f_flags & O_NONBLOCK)) {
- retval = videobuf_read_zerocopy(file,q,data,count,ppos);
+ !nonblocking) {
+ retval = videobuf_read_zerocopy(priv,q,data,count,ppos);
if (retval >= 0 || retval == -EIO)
/* ok, all done */
goto done;
@@ -818,24 +819,24 @@ ssize_t videobuf_read_one(struct file *file, struct videobuf_queue *q,
goto done;
q->read_buf->memory = V4L2_MEMORY_USERPTR;
field = videobuf_next_field(q);
- retval = q->ops->buf_prepare(file,q->read_buf,field);
+ retval = q->ops->buf_prepare(priv,q->read_buf,field);
if (0 != retval)
goto done;
spin_lock_irqsave(q->irqlock,flags);
- q->ops->buf_queue(file,q->read_buf);
+ q->ops->buf_queue(priv,q->read_buf);
spin_unlock_irqrestore(q->irqlock,flags);
q->read_off = 0;
}
/* wait until capture is done */
- retval = videobuf_waiton(q->read_buf, file->f_flags & O_NONBLOCK, 1);
+ retval = videobuf_waiton(q->read_buf, nonblocking, 1);
if (0 != retval)
goto done;
videobuf_dma_pci_sync(q->pci,&q->read_buf->dma);
if (STATE_ERROR == q->read_buf->state) {
/* catch I/O errors */
- q->ops->buf_release(file,q->read_buf);
+ q->ops->buf_release(priv,q->read_buf);
kfree(q->read_buf);
q->read_buf = NULL;
retval = -EIO;
@@ -854,7 +855,7 @@ ssize_t videobuf_read_one(struct file *file, struct videobuf_queue *q,
q->read_off += bytes;
if (q->read_off == q->read_buf->size) {
/* all data copied, cleanup */
- q->ops->buf_release(file,q->read_buf);
+ q->ops->buf_release(priv,q->read_buf);
kfree(q->read_buf);
q->read_buf = NULL;
}
@@ -864,43 +865,43 @@ ssize_t videobuf_read_one(struct file *file, struct videobuf_queue *q,
return retval;
}
-int videobuf_read_start(struct file *file, struct videobuf_queue *q)
+int videobuf_read_start(void *priv, struct videobuf_queue *q)
{
enum v4l2_field field;
unsigned long flags;
int count = 0, size = 0;
int err, i;
- q->ops->buf_setup(file,&count,&size);
+ q->ops->buf_setup(priv,&count,&size);
if (count < 2)
count = 2;
if (count > VIDEO_MAX_FRAME)
count = VIDEO_MAX_FRAME;
size = PAGE_ALIGN(size);
- err = videobuf_mmap_setup(file, q, count, size, V4L2_MEMORY_USERPTR);
+ err = videobuf_mmap_setup(priv, q, count, size, V4L2_MEMORY_USERPTR);
if (err)
return err;
for (i = 0; i < count; i++) {
field = videobuf_next_field(q);
- err = q->ops->buf_prepare(file,q->bufs[i],field);
+ err = q->ops->buf_prepare(priv,q->bufs[i],field);
if (err)
return err;
list_add_tail(&q->bufs[i]->stream, &q->stream);
}
spin_lock_irqsave(q->irqlock,flags);
for (i = 0; i < count; i++)
- q->ops->buf_queue(file,q->bufs[i]);
+ q->ops->buf_queue(priv,q->bufs[i]);
spin_unlock_irqrestore(q->irqlock,flags);
q->reading = 1;
return 0;
}
-void videobuf_read_stop(struct file *file, struct videobuf_queue *q)
+void videobuf_read_stop(void *priv, struct videobuf_queue *q)
{
int i;
- videobuf_queue_cancel(file,q);
+ videobuf_queue_cancel(priv,q);
INIT_LIST_HEAD(&q->stream);
for (i = 0; i < VIDEO_MAX_FRAME; i++) {
if (NULL == q->bufs[i])
@@ -912,9 +913,9 @@ void videobuf_read_stop(struct file *file, struct videobuf_queue *q)
q->reading = 0;
}
-ssize_t videobuf_read_stream(struct file *file, struct videobuf_queue *q,
+ssize_t videobuf_read_stream(void *priv, struct videobuf_queue *q,
char __user *data, size_t count, loff_t *ppos,
- int vbihack)
+ int vbihack, int nonblocking)
{
unsigned int *fc, bytes;
int err, retval;
@@ -925,7 +926,7 @@ ssize_t videobuf_read_stream(struct file *file, struct videobuf_queue *q,
if (q->streaming)
goto done;
if (!q->reading) {
- retval = videobuf_read_start(file,q);
+ retval = videobuf_read_start(priv,q);
if (retval < 0)
goto done;
}
@@ -940,8 +941,7 @@ ssize_t videobuf_read_stream(struct file *file, struct videobuf_queue *q,
list_del(&q->read_buf->stream);
q->read_off = 0;
}
- err = videobuf_waiton(q->read_buf,
- file->f_flags & O_NONBLOCK,1);
+ err = videobuf_waiton(q->read_buf, nonblocking, 1);
if (err < 0) {
if (0 == retval)
retval = err;
@@ -986,7 +986,7 @@ ssize_t videobuf_read_stream(struct file *file, struct videobuf_queue *q,
list_add_tail(&q->read_buf->stream,
&q->stream);
spin_lock_irqsave(q->irqlock,flags);
- q->ops->buf_queue(file,q->read_buf);
+ q->ops->buf_queue(priv,q->read_buf);
spin_unlock_irqrestore(q->irqlock,flags);
q->read_buf = NULL;
}
@@ -999,7 +999,7 @@ ssize_t videobuf_read_stream(struct file *file, struct videobuf_queue *q,
return retval;
}
-unsigned int videobuf_poll_stream(struct file *file,
+unsigned int videobuf_poll_stream(void *priv,
struct videobuf_queue *q,
poll_table *wait)
{
@@ -1013,7 +1013,7 @@ unsigned int videobuf_poll_stream(struct file *file,
struct videobuf_buffer, stream);
} else {
if (!q->reading)
- videobuf_read_start(file,q);
+ videobuf_read_start(priv,q);
if (!q->reading) {
rc = POLLERR;
} else if (NULL == q->read_buf) {
@@ -1029,7 +1029,7 @@ unsigned int videobuf_poll_stream(struct file *file,
rc = POLLERR;
if (0 == rc) {
- poll_wait(file, &buf->done, wait);
+ poll_wait(priv, &buf->done, wait);
if (buf->state == STATE_DONE ||
buf->state == STATE_ERROR)
rc = POLLIN|POLLRDNORM;
@@ -1123,14 +1123,14 @@ static struct vm_operations_struct videobuf_vm_ops =
.nopage = videobuf_vm_nopage,
};
-int videobuf_mmap_setup(struct file *file, struct videobuf_queue *q,
+int videobuf_mmap_setup(void *priv, struct videobuf_queue *q,
unsigned int bcount, unsigned int bsize,
enum v4l2_memory memory)
{
unsigned int i;
int err;
- err = videobuf_mmap_free(file,q);
+ err = videobuf_mmap_free(priv,q);
if (0 != err)
return err;
@@ -1155,7 +1155,7 @@ int videobuf_mmap_setup(struct file *file, struct videobuf_queue *q,
return 0;
}
-int videobuf_mmap_free(struct file *file, struct videobuf_queue *q)
+int videobuf_mmap_free(void *priv, struct videobuf_queue *q)
{
int i;
@@ -1165,7 +1165,7 @@ int videobuf_mmap_free(struct file *file, struct videobuf_queue *q)
for (i = 0; i < VIDEO_MAX_FRAME; i++) {
if (NULL == q->bufs[i])
continue;
- q->ops->buf_release(file,q->bufs[i]);
+ q->ops->buf_release(priv,q->bufs[i]);
kfree(q->bufs[i]);
q->bufs[i] = NULL;
}