78 static void dlfb_urb_completion(struct urb *urb);
79 static struct urb *dlfb_get_urb(struct dlfb_data *dev);
80 static int dlfb_submit_urb(struct dlfb_data *dev, struct urb * urb, size_t len);
284 	struct urb *urb;  in dlfb_set_video_mode()  local
289 	urb = dlfb_get_urb(dev);  in dlfb_set_video_mode()
290 	if (!urb)  in dlfb_set_video_mode()
293 	buf = (char *) urb->transfer_buffer;  in dlfb_set_video_mode()
313 	retval = dlfb_submit_urb(dev, urb, writesize);  in dlfb_set_video_mode()
518 static int dlfb_render_hline(struct dlfb_data *dev, struct urb **urb_ptr,  in dlfb_render_hline()
525 	struct urb *urb = *urb_ptr;  in dlfb_render_hline()  local
527 	u8 *cmd_end = (u8 *) urb->transfer_buffer + urb->transfer_buffer_length;  in dlfb_render_hline()
558 			int len = cmd - (u8 *) urb->transfer_buffer;  in dlfb_render_hline()
559 			if (dlfb_submit_urb(dev, urb, len))  in dlfb_render_hline()
562 			urb = dlfb_get_urb(dev);  in dlfb_render_hline()
563 			if (!urb)  in dlfb_render_hline()
565 			*urb_ptr = urb;  in dlfb_render_hline()
566 			cmd = urb->transfer_buffer;  in dlfb_render_hline()
567 			cmd_end = &cmd[urb->transfer_buffer_length];  in dlfb_render_hline()
584 	struct urb *urb;  in dlfb_handle_damage()  local
601 	urb = dlfb_get_urb(dev);  in dlfb_handle_damage()
602 	if (!urb)  in dlfb_handle_damage()
604 	cmd = urb->transfer_buffer;  in dlfb_handle_damage()
610 		if (dlfb_render_hline(dev, &urb,  in dlfb_handle_damage()
617 	if (cmd > (char *) urb->transfer_buffer) {  in dlfb_handle_damage()
619 		int len = cmd - (char *) urb->transfer_buffer;  in dlfb_handle_damage()
620 		ret = dlfb_submit_urb(dev, urb, len);  in dlfb_handle_damage()
623 		dlfb_urb_completion(urb);  in dlfb_handle_damage()
711 	struct urb *urb;  in dlfb_dpy_deferred_io()  local
726 	urb = dlfb_get_urb(dev);  in dlfb_dpy_deferred_io()
727 	if (!urb)  in dlfb_dpy_deferred_io()
730 	cmd = urb->transfer_buffer;  in dlfb_dpy_deferred_io()
735 		if (dlfb_render_hline(dev, &urb, (char *) info->fix.smem_start,  in dlfb_dpy_deferred_io()
742 	if (cmd > (char *) urb->transfer_buffer) {  in dlfb_dpy_deferred_io()
744 		int len = cmd - (char *) urb->transfer_buffer;  in dlfb_dpy_deferred_io()
745 		dlfb_submit_urb(dev, urb, len);  in dlfb_dpy_deferred_io()
748 		dlfb_urb_completion(urb);  in dlfb_dpy_deferred_io()
1106 	struct urb *urb;  in dlfb_ops_blank()  local
1118 	urb = dlfb_get_urb(dev);  in dlfb_ops_blank()
1119 	if (!urb)  in dlfb_ops_blank()
1122 	bufptr = (char *) urb->transfer_buffer;  in dlfb_ops_blank()
1130 	dlfb_submit_urb(dev, urb, bufptr -  in dlfb_ops_blank()
1131 			(char *) urb->transfer_buffer);  in dlfb_ops_blank()
1783 static void dlfb_urb_completion(struct urb *urb)  in dlfb_urb_completion()  argument
1785 	struct urb_node *unode = urb->context;  in dlfb_urb_completion()
1790 	if (urb->status) {  in dlfb_urb_completion()
1791 		if (!(urb->status == -ENOENT ||  in dlfb_urb_completion()
1792 		    urb->status == -ECONNRESET ||  in dlfb_urb_completion()
1793 		    urb->status == -ESHUTDOWN)) {  in dlfb_urb_completion()
1795 				__func__, urb->status);  in dlfb_urb_completion()
1800 	urb->transfer_buffer_length = dev->urbs.size; /* reset to actual */  in dlfb_urb_completion()
1822 	struct urb *urb;  in dlfb_free_urb_list()  local
1844 		urb = unode->urb;  in dlfb_free_urb_list()
1847 		usb_free_coherent(urb->dev, dev->urbs.size,  in dlfb_free_urb_list()
1848 				  urb->transfer_buffer, urb->transfer_dma);  in dlfb_free_urb_list()
1849 		usb_free_urb(urb);  in dlfb_free_urb_list()
1859 	struct urb *urb;  in dlfb_alloc_urb_list()  local
1877 		urb = usb_alloc_urb(0, GFP_KERNEL);  in dlfb_alloc_urb_list()
1878 		if (!urb) {  in dlfb_alloc_urb_list()
1882 		unode->urb = urb;  in dlfb_alloc_urb_list()
1885 					 &urb->transfer_dma);  in dlfb_alloc_urb_list()
1888 			usb_free_urb(urb);  in dlfb_alloc_urb_list()
1893 		usb_fill_bulk_urb(urb, dev->udev, usb_sndbulkpipe(dev->udev, 1),  in dlfb_alloc_urb_list()
1895 		urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;  in dlfb_alloc_urb_list()
1911 static struct urb *dlfb_get_urb(struct dlfb_data *dev)  in dlfb_get_urb()
1916 	struct urb *urb = NULL;  in dlfb_get_urb()  local
1938 	urb = unode->urb;  in dlfb_get_urb()
1941 	return urb;  in dlfb_get_urb()
1944 static int dlfb_submit_urb(struct dlfb_data *dev, struct urb *urb, size_t len)  in dlfb_submit_urb()  argument
1950 	urb->transfer_buffer_length = len; /* set to actual payload len */  in dlfb_submit_urb()
1951 	ret = usb_submit_urb(urb, GFP_KERNEL);  in dlfb_submit_urb()
1953 		dlfb_urb_completion(urb); /* because no one else will */  in dlfb_submit_urb()