{
struct cx88_core *core = dev->core;
- dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n", dev->width, dev->height, buf->vb.field);
+ dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n",
+ buf->vb.width, buf->vb.height, buf->vb.field);
/* setup fifo + format */
cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28],
struct cx88_dmaqueue *q)
{
struct cx88_buffer *buf;
- struct list_head *item;
dprintk( 1, "cx8802_restart_queue\n" );
if (list_empty(&q->active))
dprintk(2,"restart_queue [%p/%d]: restart dma\n",
buf, buf->vb.i);
cx8802_start_dma(dev, q, buf);
- list_for_each(item,&q->active) {
- buf = list_entry(item, struct cx88_buffer, vb.queue);
+ list_for_each_entry(buf, &q->active, vb.queue)
buf->count = q->count++;
- }
mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
return 0;
}
return 0;
}
+#if defined(CONFIG_VIDEO_CX88_BLACKBIRD) || \
+ defined(CONFIG_VIDEO_CX88_BLACKBIRD_MODULE)
struct cx8802_dev * cx8802_get_device(struct inode *inode)
{
int minor = iminor(inode);
- struct cx8802_dev *h = NULL;
- struct list_head *list;
+ struct cx8802_dev *dev;
- list_for_each(list,&cx8802_devlist) {
- h = list_entry(list, struct cx8802_dev, devlist);
- if (h->mpeg_dev && h->mpeg_dev->minor == minor)
- return h;
- }
+ list_for_each_entry(dev, &cx8802_devlist, devlist)
+ if (dev->mpeg_dev && dev->mpeg_dev->minor == minor)
+ return dev;
return NULL;
}
+EXPORT_SYMBOL(cx8802_get_device);
+#endif
struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype)
{
- struct cx8802_dev *h = NULL;
- struct cx8802_driver *d = NULL;
- struct list_head *list;
- struct list_head *list2;
-
- list_for_each(list,&cx8802_devlist) {
- h = list_entry(list, struct cx8802_dev, devlist);
- if (h != dev)
- continue;
-
- list_for_each(list2, &h->drvlist.devlist) {
- d = list_entry(list2, struct cx8802_driver, devlist);
+ struct cx8802_driver *d;
- /* only unregister the correct driver type */
- if (d->type_id == btype) {
- return d;
- }
- }
- }
+ list_for_each_entry(d, &dev->drvlist, drvlist)
+ if (d->type_id == btype)
+ return d;
return NULL;
}
int cx8802_register_driver(struct cx8802_driver *drv)
{
- struct cx8802_dev *h;
+ struct cx8802_dev *dev;
struct cx8802_driver *driver;
- struct list_head *list;
- int err = 0, i = 0;
+ int err, i = 0;
printk(KERN_INFO
"cx88/2: registering cx8802 driver, type: %s access: %s\n",
return err;
}
- list_for_each(list,&cx8802_devlist) {
- h = list_entry(list, struct cx8802_dev, devlist);
-
+ list_for_each_entry(dev, &cx8802_devlist, devlist) {
printk(KERN_INFO
"%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n",
- h->core->name, h->pci->subsystem_vendor,
- h->pci->subsystem_device, h->core->board.name,
- h->core->boardnr);
+ dev->core->name, dev->pci->subsystem_vendor,
+ dev->pci->subsystem_device, dev->core->board.name,
+ dev->core->boardnr);
/* Bring up a new struct for each driver instance */
driver = kzalloc(sizeof(*drv),GFP_KERNEL);
return -ENOMEM;
/* Snapshot of the driver registration data */
- drv->core = h->core;
+ drv->core = dev->core;
drv->suspend = cx8802_suspend_common;
drv->resume = cx8802_resume_common;
drv->request_acquire = cx8802_request_acquire;
if (err == 0) {
i++;
mutex_lock(&drv->core->lock);
- list_add_tail(&driver->devlist,&h->drvlist.devlist);
+ list_add_tail(&driver->drvlist, &dev->drvlist);
mutex_unlock(&drv->core->lock);
} else {
printk(KERN_ERR
"%s/2: cx8802 probe failed, err = %d\n",
- h->core->name, err);
+ dev->core->name, err);
}
}
- if (i == 0)
- err = -ENODEV;
- else
- err = 0;
- return err;
+ return i ? 0 : -ENODEV;
}
int cx8802_unregister_driver(struct cx8802_driver *drv)
{
- struct cx8802_dev *h;
- struct cx8802_driver *d;
- struct list_head *list;
- struct list_head *list2, *q;
- int err = 0, i = 0;
+ struct cx8802_dev *dev;
+ struct cx8802_driver *d, *dtmp;
+ int err = 0;
printk(KERN_INFO
"cx88/2: unregistering cx8802 driver, type: %s access: %s\n",
drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird",
drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive");
- list_for_each(list,&cx8802_devlist) {
- i++;
- h = list_entry(list, struct cx8802_dev, devlist);
-
+ list_for_each_entry(dev, &cx8802_devlist, devlist) {
printk(KERN_INFO
"%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n",
- h->core->name, h->pci->subsystem_vendor,
- h->pci->subsystem_device, h->core->board.name,
- h->core->boardnr);
-
- list_for_each_safe(list2, q, &h->drvlist.devlist) {
- d = list_entry(list2, struct cx8802_driver, devlist);
+ dev->core->name, dev->pci->subsystem_vendor,
+ dev->pci->subsystem_device, dev->core->board.name,
+ dev->core->boardnr);
+ list_for_each_entry_safe(d, dtmp, &dev->drvlist, drvlist) {
/* only unregister the correct driver type */
if (d->type_id != drv->type_id)
continue;
err = d->remove(d);
if (err == 0) {
mutex_lock(&drv->core->lock);
- list_del(list2);
+ list_del(&d->drvlist);
mutex_unlock(&drv->core->lock);
+ kfree(d);
} else
printk(KERN_ERR "%s/2: cx8802 driver remove "
- "failed (%d)\n", h->core->name, err);
-
+ "failed (%d)\n", dev->core->name, err);
}
}
if (err != 0)
goto fail_free;
- INIT_LIST_HEAD(&dev->drvlist.devlist);
+ INIT_LIST_HEAD(&dev->drvlist);
list_add_tail(&dev->devlist,&cx8802_devlist);
/* Maintain a reference so cx88-video can query the 8802 device. */
static void __devexit cx8802_remove(struct pci_dev *pci_dev)
{
struct cx8802_dev *dev;
- struct cx8802_driver *h;
- struct list_head *list;
dev = pci_get_drvdata(pci_dev);
dprintk( 1, "%s\n", __FUNCTION__);
- list_for_each(list,&dev->drvlist.devlist) {
- h = list_entry(list, struct cx8802_driver, devlist);
- dprintk( 1, " ->driver\n");
- if (h->remove == NULL) {
- printk(KERN_ERR "%s .. skipping driver, no probe function\n", __FUNCTION__);
- continue;
+ if (!list_empty(&dev->drvlist)) {
+ struct cx8802_driver *drv, *tmp;
+ int err;
+
+ printk(KERN_WARNING "%s/2: Trying to remove cx8802 driver "
+ "while cx8802 sub-drivers still loaded?!\n",
+ dev->core->name);
+
+ list_for_each_entry_safe(drv, tmp, &dev->drvlist, drvlist) {
+ err = drv->remove(drv);
+ if (err == 0) {
+ mutex_lock(&drv->core->lock);
+ list_del(&drv->drvlist);
+ mutex_unlock(&drv->core->lock);
+ } else
+ printk(KERN_ERR "%s/2: cx8802 driver remove "
+ "failed (%d)\n", dev->core->name, err);
+ kfree(drv);
}
- printk(KERN_INFO "%s .. Removing driver type %d\n", __FUNCTION__, h->type_id);
- cx8802_unregister_driver(h);
- list_del(&dev->drvlist.devlist);
}
/* Destroy any 8802 reference. */
EXPORT_SYMBOL(cx8802_register_driver);
EXPORT_SYMBOL(cx8802_unregister_driver);
-EXPORT_SYMBOL(cx8802_get_device);
EXPORT_SYMBOL(cx8802_get_driver);
/* ----------------------------------------------------------- */
/*
projects / ~andy / linux / blobdiff