#include <media/saa7146_vv.h>
-#define BOARD_CAN_DO_VBI(dev) (dev->revision != 0 && dev->vv_data->vbi_minor != -1)
-
/****************************************************************************/
/* resource management functions, shamelessly stolen from saa7134 driver */
}
/* is it free? */
- down(&dev->lock);
+ mutex_lock(&dev->lock);
if (vv->resources & bit) {
DEB_D(("locked! vv->resources:0x%02x, we want:0x%02x\n",vv->resources,bit));
/* no, someone else uses it */
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
/* it's free, grab it */
fh->resources |= bit;
vv->resources |= bit;
DEB_D(("res: get 0x%02x, cur:0x%02x\n",bit,vv->resources));
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 1;
}
struct saa7146_dev *dev = fh->dev;
struct saa7146_vv *vv = dev->vv_data;
- if ((fh->resources & bits) != bits)
- BUG();
+ BUG_ON((fh->resources & bits) != bits);
- down(&dev->lock);
+ mutex_lock(&dev->lock);
fh->resources &= ~bits;
vv->resources &= ~bits;
DEB_D(("res: put 0x%02x, cur:0x%02x\n",bits,vv->resources));
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
}
/********************************************************************************/
/* common dma functions */
-void saa7146_dma_free(struct saa7146_dev *dev,struct saa7146_buf *buf)
+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));
- if (in_interrupt())
- BUG();
+ BUG_ON(in_interrupt());
videobuf_waiton(&buf->vb,0,0);
- videobuf_dma_pci_unmap(dev->pci, &buf->vb.dma);
- videobuf_dma_free(&buf->vb.dma);
- buf->vb.state = STATE_NEEDS_INIT;
+ videobuf_dma_unmap(q, dma);
+ videobuf_dma_free(dma);
+ buf->vb.state = VIDEOBUF_NEEDS_INIT;
}
buf->activate(dev,buf,NULL);
} else {
list_add_tail(&buf->vb.queue,&q->queue);
- buf->vb.state = STATE_QUEUED;
+ buf->vb.state = VIDEOBUF_QUEUED;
DEB_D(("adding buffer %p to queue. (active buffer present)\n", buf));
}
return 0;
spin_lock_irqsave(&dev->slock,flags);
if (q->curr) {
DEB_D(("timeout on %p\n", q->curr));
- saa7146_buffer_finish(dev,q,STATE_ERROR);
+ saa7146_buffer_finish(dev,q,VIDEOBUF_ERROR);
}
/* we don't restart the transfer here like other drivers do. when
/********************************************************************************/
/* file operations */
-static int fops_open(struct inode *inode, struct file *file)
+static int fops_open(struct file *file)
{
- unsigned int minor = iminor(inode);
- struct saa7146_dev *h = NULL, *dev = NULL;
- struct list_head *list;
+ struct video_device *vdev = video_devdata(file);
+ struct saa7146_dev *dev = video_drvdata(file);
struct saa7146_fh *fh = NULL;
int result = 0;
- enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ enum v4l2_buf_type type;
- DEB_EE(("inode:%p, file:%p, minor:%d\n",inode,file,minor));
+ DEB_EE(("file:%p, dev:%s\n", file, video_device_node_name(vdev)));
- if (down_interruptible(&saa7146_devices_lock))
+ if (mutex_lock_interruptible(&saa7146_devices_lock))
return -ERESTARTSYS;
- list_for_each(list,&saa7146_devices) {
- h = list_entry(list, struct saa7146_dev, item);
- if( NULL == h->vv_data ) {
- DEB_D(("device %p has not registered video devices.\n",h));
- continue;
- }
- DEB_D(("trying: %p @ major %d,%d\n",h,h->vv_data->video_minor,h->vv_data->vbi_minor));
-
- if (h->vv_data->video_minor == minor) {
- dev = h;
- }
- if (h->vv_data->vbi_minor == minor) {
- type = V4L2_BUF_TYPE_VBI_CAPTURE;
- dev = h;
- }
- }
- if (NULL == dev) {
- DEB_S(("no such video device.\n"));
- result = -ENODEV;
- goto out;
- }
-
DEB_D(("using: %p\n",dev));
+ type = vdev->vfl_type == VFL_TYPE_GRABBER
+ ? V4L2_BUF_TYPE_VIDEO_CAPTURE
+ : V4L2_BUF_TYPE_VBI_CAPTURE;
+
/* check if an extension is registered */
if( NULL == dev->ext ) {
DEB_S(("no extension registered for this device.\n"));
}
/* allocate per open data */
- fh = kmalloc(sizeof(*fh),GFP_KERNEL);
+ fh = kzalloc(sizeof(*fh),GFP_KERNEL);
if (NULL == fh) {
DEB_S(("cannot allocate memory for per open data.\n"));
result = -ENOMEM;
goto out;
}
- memset(fh,0,sizeof(*fh));
file->private_data = fh;
fh->dev = dev;
if( fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
DEB_S(("initializing vbi...\n"));
- result = saa7146_vbi_uops.open(dev,file);
+ 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"));
result = saa7146_video_uops.open(dev,file);
result = 0;
out:
- if( fh != 0 && result != 0 ) {
+ if (fh && result != 0) {
kfree(fh);
file->private_data = NULL;
}
- up(&saa7146_devices_lock);
+ mutex_unlock(&saa7146_devices_lock);
return result;
}
-static int fops_release(struct inode *inode, struct file *file)
+static int fops_release(struct file *file)
{
struct saa7146_fh *fh = file->private_data;
struct saa7146_dev *dev = fh->dev;
- DEB_EE(("inode:%p, file:%p\n",inode,file));
+ DEB_EE(("file:%p\n", file));
- if (down_interruptible(&saa7146_devices_lock))
+ if (mutex_lock_interruptible(&saa7146_devices_lock))
return -ERESTARTSYS;
if( fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
- saa7146_vbi_uops.release(dev,file);
+ if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE)
+ saa7146_vbi_uops.release(dev,file);
+ if (dev->ext_vv_data->vbi_fops.release)
+ dev->ext_vv_data->vbi_fops.release(file);
} else {
saa7146_video_uops.release(dev,file);
}
file->private_data = NULL;
kfree(fh);
- up(&saa7146_devices_lock);
+ mutex_unlock(&saa7146_devices_lock);
return 0;
}
-int saa7146_video_do_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg);
-static int fops_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
-{
-/*
- DEB_EE(("inode:%p, file:%p, cmd:%d, arg:%li\n",inode, file, cmd, arg));
-*/
- return video_usercopy(inode, file, cmd, arg, saa7146_video_do_ioctl);
-}
-
static int fops_mmap(struct file *file, struct vm_area_struct * vma)
{
struct saa7146_fh *fh = file->private_data;
BUG();
return 0;
}
+
return videobuf_mmap_mapper(q,vma);
}
}
poll_wait(file, &buf->done, wait);
- if (buf->state == STATE_DONE || buf->state == STATE_ERROR) {
+ if (buf->state == VIDEOBUF_DONE || buf->state == VIDEOBUF_ERROR) {
DEB_D(("poll succeeded!\n"));
return POLLIN|POLLRDNORM;
}
}
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));
- return saa7146_vbi_uops.read(file,data,count,ppos);
+ if (fh->dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE)
+ return saa7146_vbi_uops.read(file,data,count,ppos);
+ else
+ return -EINVAL;
}
break;
default:
}
}
-static struct file_operations video_fops =
+static ssize_t fops_write(struct file *file, const char __user *data, size_t count, loff_t *ppos)
+{
+ struct saa7146_fh *fh = file->private_data;
+
+ switch (fh->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ return -EINVAL;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ if (fh->dev->ext_vv_data->vbi_fops.write)
+ return fh->dev->ext_vv_data->vbi_fops.write(file, data, count, ppos);
+ else
+ return -EINVAL;
+ default:
+ BUG();
+ return -EINVAL;
+ }
+}
+
+static const struct v4l2_file_operations video_fops =
{
.owner = THIS_MODULE,
.open = fops_open,
.release = fops_release,
.read = fops_read,
+ .write = fops_write,
.poll = fops_poll,
.mmap = fops_mmap,
- .ioctl = fops_ioctl,
- .llseek = no_llseek,
+ .ioctl = video_ioctl2,
};
static void vv_callback(struct saa7146_dev *dev, unsigned long status)
}
}
-static struct video_device device_template =
-{
- .hardware = VID_HARDWARE_SAA7146,
- .fops = &video_fops,
- .minor = -1,
-};
-
int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv)
{
- struct saa7146_vv *vv = kmalloc (sizeof(struct saa7146_vv),GFP_KERNEL);
- if( NULL == vv ) {
+ struct saa7146_vv *vv;
+ int err;
+
+ err = v4l2_device_register(&dev->pci->dev, &dev->v4l2_dev);
+ if (err)
+ return err;
+
+ vv = kzalloc(sizeof(struct saa7146_vv), GFP_KERNEL);
+ if (vv == NULL) {
ERR(("out of memory. aborting.\n"));
- return -1;
+ return -ENOMEM;
}
- memset(vv, 0x0, sizeof(*vv));
+ ext_vv->ops = saa7146_video_ioctl_ops;
+ ext_vv->core_ops = &saa7146_video_ioctl_ops;
DEB_EE(("dev:%p\n",dev));
configuration data) */
dev->ext_vv_data = ext_vv;
- vv->video_minor = -1;
- vv->vbi_minor = -1;
-
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"));
memset(vv->d_clipping.cpu_addr, 0x0, SAA7146_CLIPPING_MEM);
saa7146_video_uops.init(dev,vv);
- saa7146_vbi_uops.init(dev,vv);
+ if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE)
+ saa7146_vbi_uops.init(dev,vv);
dev->vv_data = vv;
dev->vv_callback = &vv_callback;
return 0;
}
+EXPORT_SYMBOL_GPL(saa7146_vv_init);
int saa7146_vv_release(struct saa7146_dev* dev)
{
DEB_EE(("dev:%p\n",dev));
- pci_free_consistent(dev->pci, SAA7146_RPS_MEM, vv->d_clipping.cpu_addr, vv->d_clipping.dma_handle);
+ v4l2_device_unregister(&dev->v4l2_dev);
+ pci_free_consistent(dev->pci, SAA7146_CLIPPING_MEM, vv->d_clipping.cpu_addr, vv->d_clipping.dma_handle);
kfree(vv);
dev->vv_data = NULL;
dev->vv_callback = NULL;
return 0;
}
+EXPORT_SYMBOL_GPL(saa7146_vv_release);
int saa7146_register_device(struct video_device **vid, struct saa7146_dev* dev,
char *name, int type)
{
- struct saa7146_vv *vv = dev->vv_data;
struct video_device *vfd;
+ int err;
+ int i;
DEB_EE(("dev:%p, name:'%s', type:%d\n",dev,name,type));
if (vfd == NULL)
return -ENOMEM;
- memcpy(vfd, &device_template, sizeof(struct video_device));
- strlcpy(vfd->name, name, sizeof(vfd->name));
+ vfd->fops = &video_fops;
+ vfd->ioctl_ops = &dev->ext_vv_data->ops;
vfd->release = video_device_release;
- vfd->priv = dev;
+ vfd->tvnorms = 0;
+ for (i = 0; i < dev->ext_vv_data->num_stds; i++)
+ vfd->tvnorms |= dev->ext_vv_data->stds[i].id;
+ strlcpy(vfd->name, name, sizeof(vfd->name));
+ video_set_drvdata(vfd, dev);
- // fixme: -1 should be an insmod parameter *for the extension* (like "video_nr");
- if (video_register_device(vfd, type, -1) < 0) {
+ err = video_register_device(vfd, type, -1);
+ if (err < 0) {
ERR(("cannot register v4l2 device. skipping.\n"));
- return -1;
+ video_device_release(vfd);
+ return err;
}
- if( VFL_TYPE_GRABBER == type ) {
- vv->video_minor = vfd->minor;
- INFO(("%s: registered device video%d [v4l2]\n",
- dev->name, vfd->minor & 0x1f));
- } else {
- vv->vbi_minor = vfd->minor;
- INFO(("%s: registered device vbi%d [v4l2]\n",
- dev->name, vfd->minor & 0x1f));
- }
+ INFO(("%s: registered device %s [v4l2]\n",
+ dev->name, video_device_node_name(vfd)));
*vid = vfd;
return 0;
}
+EXPORT_SYMBOL_GPL(saa7146_register_device);
int saa7146_unregister_device(struct video_device **vid, struct saa7146_dev* dev)
{
- struct saa7146_vv *vv = dev->vv_data;
-
DEB_EE(("dev:%p\n",dev));
- if( VFL_TYPE_GRABBER == (*vid)->type ) {
- vv->video_minor = -1;
- } else {
- vv->vbi_minor = -1;
- }
-
video_unregister_device(*vid);
*vid = NULL;
return 0;
}
+EXPORT_SYMBOL_GPL(saa7146_unregister_device);
static int __init saa7146_vv_init_module(void)
{