aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/common/saa7146_fops.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/common/saa7146_fops.c')
-rw-r--r--drivers/media/common/saa7146_fops.c119
1 files changed, 65 insertions, 54 deletions
diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c
index 1bd3dd7..71f8e01 100644
--- a/drivers/media/common/saa7146_fops.c
+++ b/drivers/media/common/saa7146_fops.c
@@ -1,4 +1,7 @@
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <media/saa7146_vv.h>
+#include <linux/module.h>
/****************************************************************************/
/* resource management functions, shamelessly stolen from saa7134 driver */
@@ -9,21 +12,23 @@ int saa7146_res_get(struct saa7146_fh *fh, unsigned int bit)
struct saa7146_vv *vv = dev->vv_data;
if (fh->resources & bit) {
- DEB_D(("already allocated! want: 0x%02x, cur:0x%02x\n",bit,vv->resources));
+ DEB_D("already allocated! want: 0x%02x, cur:0x%02x\n",
+ bit, vv->resources);
/* have it already allocated */
return 1;
}
/* is it free? */
if (vv->resources & bit) {
- DEB_D(("locked! vv->resources:0x%02x, we want:0x%02x\n",vv->resources,bit));
+ DEB_D("locked! vv->resources:0x%02x, we want:0x%02x\n",
+ vv->resources, bit);
/* no, someone else uses it */
return 0;
}
/* it's free, grab it */
- fh->resources |= bit;
+ fh->resources |= bit;
vv->resources |= bit;
- DEB_D(("res: get 0x%02x, cur:0x%02x\n",bit,vv->resources));
+ DEB_D("res: get 0x%02x, cur:0x%02x\n", bit, vv->resources);
return 1;
}
@@ -34,9 +39,9 @@ void saa7146_res_free(struct saa7146_fh *fh, unsigned int bits)
BUG_ON((fh->resources & bits) != bits);
- fh->resources &= ~bits;
+ fh->resources &= ~bits;
vv->resources &= ~bits;
- DEB_D(("res: put 0x%02x, cur:0x%02x\n",bits,vv->resources));
+ DEB_D("res: put 0x%02x, cur:0x%02x\n", bits, vv->resources);
}
@@ -47,7 +52,7 @@ void saa7146_dma_free(struct saa7146_dev *dev,struct videobuf_queue *q,
struct saa7146_buf *buf)
{
struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
- DEB_EE(("dev:%p, buf:%p\n",dev,buf));
+ DEB_EE("dev:%p, buf:%p\n", dev, buf);
BUG_ON(in_interrupt());
@@ -66,18 +71,19 @@ int saa7146_buffer_queue(struct saa7146_dev *dev,
struct saa7146_buf *buf)
{
assert_spin_locked(&dev->slock);
- DEB_EE(("dev:%p, dmaq:%p, buf:%p\n", dev, q, buf));
+ DEB_EE("dev:%p, dmaq:%p, buf:%p\n", dev, q, buf);
BUG_ON(!q);
if (NULL == q->curr) {
q->curr = buf;
- DEB_D(("immediately activating buffer %p\n", buf));
+ DEB_D("immediately activating buffer %p\n", buf);
buf->activate(dev,buf,NULL);
} else {
list_add_tail(&buf->vb.queue,&q->queue);
buf->vb.state = VIDEOBUF_QUEUED;
- DEB_D(("adding buffer %p to queue. (active buffer present)\n", buf));
+ DEB_D("adding buffer %p to queue. (active buffer present)\n",
+ buf);
}
return 0;
}
@@ -87,14 +93,14 @@ void saa7146_buffer_finish(struct saa7146_dev *dev,
int state)
{
assert_spin_locked(&dev->slock);
- DEB_EE(("dev:%p, dmaq:%p, state:%d\n", dev, q, state));
- DEB_EE(("q->curr:%p\n",q->curr));
+ DEB_EE("dev:%p, dmaq:%p, state:%d\n", dev, q, state);
+ DEB_EE("q->curr:%p\n", q->curr);
BUG_ON(!q->curr);
/* finish current buffer */
if (NULL == q->curr) {
- DEB_D(("aiii. no current buffer\n"));
+ DEB_D("aiii. no current buffer\n");
return;
}
@@ -112,7 +118,7 @@ void saa7146_buffer_next(struct saa7146_dev *dev,
BUG_ON(!q);
- DEB_INT(("dev:%p, dmaq:%p, vbi:%d\n", dev, q, vbi));
+ DEB_INT("dev:%p, dmaq:%p, vbi:%d\n", dev, q, vbi);
assert_spin_locked(&dev->slock);
if (!list_empty(&q->queue)) {
@@ -122,10 +128,11 @@ void saa7146_buffer_next(struct saa7146_dev *dev,
if (!list_empty(&q->queue))
next = list_entry(q->queue.next,struct saa7146_buf, vb.queue);
q->curr = buf;
- DEB_INT(("next buffer: buf:%p, prev:%p, next:%p\n", buf, q->queue.prev,q->queue.next));
+ DEB_INT("next buffer: buf:%p, prev:%p, next:%p\n",
+ buf, q->queue.prev, q->queue.next);
buf->activate(dev,buf,next);
} else {
- DEB_INT(("no next buffer. stopping.\n"));
+ DEB_INT("no next buffer. stopping.\n");
if( 0 != vbi ) {
/* turn off video-dma3 */
saa7146_write(dev,MC1, MASK_20);
@@ -162,11 +169,11 @@ void saa7146_buffer_timeout(unsigned long data)
struct saa7146_dev *dev = q->dev;
unsigned long flags;
- DEB_EE(("dev:%p, dmaq:%p\n", dev, q));
+ DEB_EE("dev:%p, dmaq:%p\n", dev, q);
spin_lock_irqsave(&dev->slock,flags);
if (q->curr) {
- DEB_D(("timeout on %p\n", q->curr));
+ DEB_D("timeout on %p\n", q->curr);
saa7146_buffer_finish(dev,q,VIDEOBUF_ERROR);
}
@@ -194,12 +201,12 @@ static int fops_open(struct file *file)
enum v4l2_buf_type type;
- DEB_EE(("file:%p, dev:%s\n", file, video_device_node_name(vdev)));
+ DEB_EE("file:%p, dev:%s\n", file, video_device_node_name(vdev));
if (mutex_lock_interruptible(&saa7146_devices_lock))
return -ERESTARTSYS;
- DEB_D(("using: %p\n",dev));
+ DEB_D("using: %p\n", dev);
type = vdev->vfl_type == VFL_TYPE_GRABBER
? V4L2_BUF_TYPE_VIDEO_CAPTURE
@@ -207,7 +214,7 @@ static int fops_open(struct file *file)
/* check if an extension is registered */
if( NULL == dev->ext ) {
- DEB_S(("no extension registered for this device.\n"));
+ DEB_S("no extension registered for this device\n");
result = -ENODEV;
goto out;
}
@@ -215,7 +222,7 @@ static int fops_open(struct file *file)
/* allocate per open data */
fh = kzalloc(sizeof(*fh),GFP_KERNEL);
if (NULL == fh) {
- DEB_S(("cannot allocate memory for per open data.\n"));
+ DEB_S("cannot allocate memory for per open data\n");
result = -ENOMEM;
goto out;
}
@@ -225,13 +232,13 @@ static int fops_open(struct file *file)
fh->type = type;
if( fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
- DEB_S(("initializing vbi...\n"));
+ DEB_S("initializing vbi...\n");
if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE)
result = saa7146_vbi_uops.open(dev,file);
if (dev->ext_vv_data->vbi_fops.open)
dev->ext_vv_data->vbi_fops.open(file);
} else {
- DEB_S(("initializing video...\n"));
+ DEB_S("initializing video...\n");
result = saa7146_video_uops.open(dev,file);
}
@@ -259,7 +266,7 @@ static int fops_release(struct file *file)
struct saa7146_fh *fh = file->private_data;
struct saa7146_dev *dev = fh->dev;
- DEB_EE(("file:%p\n", file));
+ DEB_EE("file:%p\n", file);
if (mutex_lock_interruptible(&saa7146_devices_lock))
return -ERESTARTSYS;
@@ -289,12 +296,14 @@ static int fops_mmap(struct file *file, struct vm_area_struct * vma)
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE: {
- DEB_EE(("V4L2_BUF_TYPE_VIDEO_CAPTURE: file:%p, vma:%p\n",file, vma));
+ DEB_EE("V4L2_BUF_TYPE_VIDEO_CAPTURE: file:%p, vma:%p\n",
+ file, vma);
q = &fh->video_q;
break;
}
case V4L2_BUF_TYPE_VBI_CAPTURE: {
- DEB_EE(("V4L2_BUF_TYPE_VBI_CAPTURE: file:%p, vma:%p\n",file, vma));
+ DEB_EE("V4L2_BUF_TYPE_VBI_CAPTURE: file:%p, vma:%p\n",
+ file, vma);
q = &fh->vbi_q;
break;
}
@@ -312,14 +321,14 @@ static unsigned int fops_poll(struct file *file, struct poll_table_struct *wait)
struct videobuf_buffer *buf = NULL;
struct videobuf_queue *q;
- DEB_EE(("file:%p, poll:%p\n",file, wait));
+ DEB_EE("file:%p, poll:%p\n", file, wait);
if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
if( 0 == fh->vbi_q.streaming )
return videobuf_poll_stream(file, &fh->vbi_q, wait);
q = &fh->vbi_q;
} else {
- DEB_D(("using video queue.\n"));
+ DEB_D("using video queue\n");
q = &fh->video_q;
}
@@ -327,17 +336,17 @@ static unsigned int fops_poll(struct file *file, struct poll_table_struct *wait)
buf = list_entry(q->stream.next, struct videobuf_buffer, stream);
if (!buf) {
- DEB_D(("buf == NULL!\n"));
+ DEB_D("buf == NULL!\n");
return POLLERR;
}
poll_wait(file, &buf->done, wait);
if (buf->state == VIDEOBUF_DONE || buf->state == VIDEOBUF_ERROR) {
- DEB_D(("poll succeeded!\n"));
+ DEB_D("poll succeeded!\n");
return POLLIN|POLLRDNORM;
}
- DEB_D(("nothing to poll for, buf->state:%d\n",buf->state));
+ DEB_D("nothing to poll for, buf->state:%d\n", buf->state);
return 0;
}
@@ -346,18 +355,20 @@ static ssize_t fops_read(struct file *file, char __user *data, size_t count, lof
struct saa7146_fh *fh = file->private_data;
switch (fh->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE: {
-// DEB_EE(("V4L2_BUF_TYPE_VIDEO_CAPTURE: file:%p, data:%p, count:%lun", file, data, (unsigned long)count));
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+/*
+ DEB_EE("V4L2_BUF_TYPE_VIDEO_CAPTURE: file:%p, data:%p, count:%lun",
+ file, data, (unsigned long)count);
+*/
return saa7146_video_uops.read(file,data,count,ppos);
- }
- case V4L2_BUF_TYPE_VBI_CAPTURE: {
-// DEB_EE(("V4L2_BUF_TYPE_VBI_CAPTURE: file:%p, data:%p, count:%lu\n", file, data, (unsigned long)count));
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+/*
+ DEB_EE("V4L2_BUF_TYPE_VBI_CAPTURE: file:%p, data:%p, count:%lu\n",
+ file, data, (unsigned long)count);
+*/
if (fh->dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE)
return saa7146_vbi_uops.read(file,data,count,ppos);
- else
- return -EINVAL;
- }
- break;
+ return -EINVAL;
default:
BUG();
return 0;
@@ -398,22 +409,22 @@ static void vv_callback(struct saa7146_dev *dev, unsigned long status)
{
u32 isr = status;
- DEB_INT(("dev:%p, isr:0x%08x\n",dev,(u32)status));
+ DEB_INT("dev:%p, isr:0x%08x\n", dev, (u32)status);
if (0 != (isr & (MASK_27))) {
- DEB_INT(("irq: RPS0 (0x%08x).\n",isr));
+ DEB_INT("irq: RPS0 (0x%08x)\n", isr);
saa7146_video_uops.irq_done(dev,isr);
}
if (0 != (isr & (MASK_28))) {
u32 mc2 = saa7146_read(dev, MC2);
if( 0 != (mc2 & MASK_15)) {
- DEB_INT(("irq: RPS1 vbi workaround (0x%08x).\n",isr));
+ DEB_INT("irq: RPS1 vbi workaround (0x%08x)\n", isr);
wake_up(&dev->vv_data->vbi_wq);
saa7146_write(dev,MC2, MASK_31);
return;
}
- DEB_INT(("irq: RPS1 (0x%08x).\n",isr));
+ DEB_INT("irq: RPS1 (0x%08x)\n", isr);
saa7146_vbi_uops.irq_done(dev,isr);
}
}
@@ -429,13 +440,13 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv)
vv = kzalloc(sizeof(struct saa7146_vv), GFP_KERNEL);
if (vv == NULL) {
- ERR(("out of memory. aborting.\n"));
+ ERR("out of memory. aborting.\n");
return -ENOMEM;
}
ext_vv->ops = saa7146_video_ioctl_ops;
ext_vv->core_ops = &saa7146_video_ioctl_ops;
- DEB_EE(("dev:%p\n",dev));
+ DEB_EE("dev:%p\n", dev);
/* set default values for video parts of the saa7146 */
saa7146_write(dev, BCS_CTRL, 0x80400040);
@@ -450,7 +461,7 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv)
vv->d_clipping.cpu_addr = pci_alloc_consistent(dev->pci, SAA7146_CLIPPING_MEM, &vv->d_clipping.dma_handle);
if( NULL == vv->d_clipping.cpu_addr ) {
- ERR(("out of memory. aborting.\n"));
+ ERR("out of memory. aborting.\n");
kfree(vv);
return -1;
}
@@ -471,7 +482,7 @@ int saa7146_vv_release(struct saa7146_dev* dev)
{
struct saa7146_vv *vv = dev->vv_data;
- DEB_EE(("dev:%p\n",dev));
+ DEB_EE("dev:%p\n", dev);
v4l2_device_unregister(&dev->v4l2_dev);
pci_free_consistent(dev->pci, SAA7146_CLIPPING_MEM, vv->d_clipping.cpu_addr, vv->d_clipping.dma_handle);
@@ -490,7 +501,7 @@ int saa7146_register_device(struct video_device **vid, struct saa7146_dev* dev,
int err;
int i;
- DEB_EE(("dev:%p, name:'%s', type:%d\n",dev,name,type));
+ DEB_EE("dev:%p, name:'%s', type:%d\n", dev, name, type);
// released by vfd->release
vfd = video_device_alloc();
@@ -509,13 +520,13 @@ int saa7146_register_device(struct video_device **vid, struct saa7146_dev* dev,
err = video_register_device(vfd, type, -1);
if (err < 0) {
- ERR(("cannot register v4l2 device. skipping.\n"));
+ ERR("cannot register v4l2 device. skipping.\n");
video_device_release(vfd);
return err;
}
- INFO(("%s: registered device %s [v4l2]\n",
- dev->name, video_device_node_name(vfd)));
+ pr_info("%s: registered device %s [v4l2]\n",
+ dev->name, video_device_node_name(vfd));
*vid = vfd;
return 0;
@@ -524,7 +535,7 @@ EXPORT_SYMBOL_GPL(saa7146_register_device);
int saa7146_unregister_device(struct video_device **vid, struct saa7146_dev* dev)
{
- DEB_EE(("dev:%p\n",dev));
+ DEB_EE("dev:%p\n", dev);
video_unregister_device(*vid);
*vid = NULL;