32 	struct udl_device *udl = to_udl(dev);  in udl_parse_vendor_descriptor()  local
75 				udl->sku_pixel_limit = max_area;  in udl_parse_vendor_descriptor()
99 static int udl_select_std_channel(struct udl_device *udl)  in udl_select_std_channel()  argument
112 	ret = usb_control_msg(udl->udev,  in udl_select_std_channel()
113 			      usb_sndctrlpipe(udl->udev, 0),  in udl_select_std_channel()
133 	struct udl_device *udl = unode->dev;  in udl_urb_completion()  local
146 	urb->transfer_buffer_length = udl->urbs.size; /* reset to actual */  in udl_urb_completion()
148 	spin_lock_irqsave(&udl->urbs.lock, flags);  in udl_urb_completion()
149 	list_add_tail(&unode->entry, &udl->urbs.list);  in udl_urb_completion()
150 	udl->urbs.available++;  in udl_urb_completion()
151 	spin_unlock_irqrestore(&udl->urbs.lock, flags);  in udl_urb_completion()
162 		up(&udl->urbs.limit_sem);  in udl_urb_completion()
167 	struct udl_device *udl = to_udl(dev);  in udl_free_urb_list()  local
168 	int count = udl->urbs.count;  in udl_free_urb_list()
177 		down(&udl->urbs.limit_sem);  in udl_free_urb_list()
179 		spin_lock_irq(&udl->urbs.lock);  in udl_free_urb_list()
181 		node = udl->urbs.list.next; /* have reserved one with sem */  in udl_free_urb_list()
184 		spin_unlock_irq(&udl->urbs.lock);  in udl_free_urb_list()
190 		usb_free_coherent(urb->dev, udl->urbs.size,  in udl_free_urb_list()
195 	udl->urbs.count = 0;  in udl_free_urb_list()
200 	struct udl_device *udl = to_udl(dev);  in udl_alloc_urb_list()  local
206 	spin_lock_init(&udl->urbs.lock);  in udl_alloc_urb_list()
209 	udl->urbs.size = size;  in udl_alloc_urb_list()
210 	INIT_LIST_HEAD(&udl->urbs.list);  in udl_alloc_urb_list()
212 	sema_init(&udl->urbs.limit_sem, 0);  in udl_alloc_urb_list()
213 	udl->urbs.count = 0;  in udl_alloc_urb_list()
214 	udl->urbs.available = 0;  in udl_alloc_urb_list()
216 	while (udl->urbs.count * size < wanted_size) {  in udl_alloc_urb_list()
220 		unode->dev = udl;  in udl_alloc_urb_list()
232 		buf = usb_alloc_coherent(udl->udev, size, GFP_KERNEL,  in udl_alloc_urb_list()
246 		usb_fill_bulk_urb(urb, udl->udev, usb_sndbulkpipe(udl->udev, 1),  in udl_alloc_urb_list()
250 		list_add_tail(&unode->entry, &udl->urbs.list);  in udl_alloc_urb_list()
252 		up(&udl->urbs.limit_sem);  in udl_alloc_urb_list()
253 		udl->urbs.count++;  in udl_alloc_urb_list()
254 		udl->urbs.available++;  in udl_alloc_urb_list()
257 	DRM_DEBUG("allocated %d %d byte urbs\n", udl->urbs.count, (int) size);  in udl_alloc_urb_list()
259 	return udl->urbs.count;  in udl_alloc_urb_list()
264 	struct udl_device *udl = to_udl(dev);  in udl_get_urb()  local
271 	ret = down_timeout(&udl->urbs.limit_sem, GET_URB_TIMEOUT);  in udl_get_urb()
274 		       ret, udl->urbs.available);  in udl_get_urb()
278 	spin_lock_irq(&udl->urbs.lock);  in udl_get_urb()
280 	BUG_ON(list_empty(&udl->urbs.list)); /* reserved one with limit_sem */  in udl_get_urb()
281 	entry = udl->urbs.list.next;  in udl_get_urb()
283 	udl->urbs.available--;  in udl_get_urb()
285 	spin_unlock_irq(&udl->urbs.lock);  in udl_get_urb()
296 	struct udl_device *udl = to_udl(dev);  in udl_submit_urb()  local
299 	BUG_ON(len > udl->urbs.size);  in udl_submit_urb()
310 int udl_init(struct udl_device *udl)  in udl_init()  argument
312 	struct drm_device *dev = &udl->drm;  in udl_init()
317 	mutex_init(&udl->gem_lock);  in udl_init()
319 	if (!udl_parse_vendor_descriptor(dev, udl->udev)) {  in udl_init()
325 	if (udl_select_std_channel(udl))  in udl_init()
343 	if (udl->urbs.count)  in udl_init()