5
int drm_get_usb_dev(struct usb_interface *interface,
6
const struct usb_device_id *id,
7
struct drm_driver *driver)
9
struct drm_device *dev;
10
struct usb_device *usbdev;
15
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
19
usbdev = interface_to_usbdev(interface);
21
dev->dev = &usbdev->dev;
23
mutex_lock(&drm_global_mutex);
25
ret = drm_fill_in_dev(dev, NULL, driver);
27
printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
31
usb_set_intfdata(interface, dev);
32
ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL);
36
ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY);
40
if (dev->driver->load) {
41
ret = dev->driver->load(dev, 0);
46
/* setup the grouping for the legacy output */
47
ret = drm_mode_group_init_legacy_group(dev,
48
&dev->primary->mode_group);
52
list_add_tail(&dev->driver_item, &driver->device_list);
54
mutex_unlock(&drm_global_mutex);
56
DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
57
driver->name, driver->major, driver->minor, driver->patchlevel,
58
driver->date, dev->primary->index);
63
drm_put_minor(&dev->primary);
65
drm_put_minor(&dev->control);
68
mutex_unlock(&drm_global_mutex);
72
EXPORT_SYMBOL(drm_get_usb_dev);
74
static int drm_usb_get_irq(struct drm_device *dev)
79
static const char *drm_usb_get_name(struct drm_device *dev)
84
static int drm_usb_set_busid(struct drm_device *dev,
85
struct drm_master *master)
90
static struct drm_bus drm_usb_bus = {
91
.bus_type = DRIVER_BUS_USB,
92
.get_irq = drm_usb_get_irq,
93
.get_name = drm_usb_get_name,
94
.set_busid = drm_usb_set_busid,
97
int drm_usb_init(struct drm_driver *driver, struct usb_driver *udriver)
102
INIT_LIST_HEAD(&driver->device_list);
103
driver->kdriver.usb = udriver;
104
driver->bus = &drm_usb_bus;
106
res = usb_register(udriver);
109
EXPORT_SYMBOL(drm_usb_init);
111
void drm_usb_exit(struct drm_driver *driver,
112
struct usb_driver *udriver)
114
usb_deregister(udriver);
116
EXPORT_SYMBOL(drm_usb_exit);