hid/usbhid/usbkbd.c

102 	struct usb_kbd *kbd = urb->context;
118 		input_report_key(kbd->dev, usb_kbd_keycode[i + 224], (kbd->new[0] >> i) & 1);
122 		if (kbd->old[i] > 3 && memscan(kbd->new + 2, kbd->old[i], 6) == kbd->new + 8) {
123 			if (usb_kbd_keycode[kbd->old[i]])
124 				input_report_key(kbd->dev, usb_kbd_keycode[kbd->old[i]], 0);
128 					 kbd->old[i]);
131 		if (kbd->new[i] > 3 && memscan(kbd->old + 2, kbd->new[i], 6) == kbd->old + 8) {
132 			if (usb_kbd_keycode[kbd->new[i]])
133 				input_report_key(kbd->dev, usb_kbd_keycode[kbd->new[i]], 1);
137 					 kbd->new[i]);
141 	input_sync(kbd->dev);
143 	memcpy(kbd->old, kbd->new, 8);
149 			kbd->usbdev->bus->bus_name,
150 			kbd->usbdev->devpath, i);
157 	struct usb_kbd *kbd = input_get_drvdata(dev);
162 	spin_lock_irqsave(&kbd->leds_lock, flags);
163 	kbd->newleds = (!!test_bit(LED_KANA,    dev->led) << 3) | (!!test_bit(LED_COMPOSE, dev->led) << 3) |
167 	if (kbd->led_urb_submitted){
168 		spin_unlock_irqrestore(&kbd->leds_lock, flags);
172 	if (*(kbd->leds) == kbd->newleds){
173 		spin_unlock_irqrestore(&kbd->leds_lock, flags);
177 	*(kbd->leds) = kbd->newleds;
179 	kbd->led->dev = kbd->usbdev;
180 	if (usb_submit_urb(kbd->led, GFP_ATOMIC))
183 		kbd->led_urb_submitted = true;
185 	spin_unlock_irqrestore(&kbd->leds_lock, flags);
193 	struct usb_kbd *kbd = urb->context;
199 	spin_lock_irqsave(&kbd->leds_lock, flags);
201 	if (*(kbd->leds) == kbd->newleds){
202 		kbd->led_urb_submitted = false;
203 		spin_unlock_irqrestore(&kbd->leds_lock, flags);
207 	*(kbd->leds) = kbd->newleds;
209 	kbd->led->dev = kbd->usbdev;
210 	if (usb_submit_urb(kbd->led, GFP_ATOMIC)){
212 		kbd->led_urb_submitted = false;
214 	spin_unlock_irqrestore(&kbd->leds_lock, flags);
220 	struct usb_kbd *kbd = input_get_drvdata(dev);
222 	kbd->irq->dev = kbd->usbdev;
223 	if (usb_submit_urb(kbd->irq, GFP_KERNEL))
231 	struct usb_kbd *kbd = input_get_drvdata(dev);
233 	usb_kill_urb(kbd->irq);
236 static int usb_kbd_alloc_mem(struct usb_device *dev, struct usb_kbd *kbd)
238 	if (!(kbd->irq = usb_alloc_urb(0, GFP_KERNEL)))
240 	if (!(kbd->led = usb_alloc_urb(0, GFP_KERNEL)))
242 	if (!(kbd->new = usb_alloc_coherent(dev, 8, GFP_KERNEL, &kbd->new_dma)))
244 	if (!(kbd->cr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL)))
246 	if (!(kbd->leds = usb_alloc_coherent(dev, 1, GFP_KERNEL, &kbd->leds_dma)))
252 static void usb_kbd_free_mem(struct usb_device *dev, struct usb_kbd *kbd)
254 	usb_free_urb(kbd->irq);
255 	usb_free_urb(kbd->led);
256 	usb_free_coherent(dev, 8, kbd->new, kbd->new_dma);
257 	kfree(kbd->cr);
258 	usb_free_coherent(dev, 1, kbd->leds, kbd->leds_dma);
267 	struct usb_kbd *kbd;
284 	kbd = kzalloc(sizeof(struct usb_kbd), GFP_KERNEL);
286 	if (!kbd || !input_dev)
289 	if (usb_kbd_alloc_mem(dev, kbd))
292 	kbd->usbdev = dev;
293 	kbd->dev = input_dev;
294 	spin_lock_init(&kbd->leds_lock);
297 		strscpy(kbd->name, dev->manufacturer, sizeof(kbd->name));
301 			strlcat(kbd->name, " ", sizeof(kbd->name));
302 		strlcat(kbd->name, dev->product, sizeof(kbd->name));
305 	if (!strlen(kbd->name))
306 		snprintf(kbd->name, sizeof(kbd->name),
311 	usb_make_path(dev, kbd->phys, sizeof(kbd->phys));
312 	strlcat(kbd->phys, "/input0", sizeof(kbd->phys));
314 	input_dev->name = kbd->name;
315 	input_dev->phys = kbd->phys;
319 	input_set_drvdata(input_dev, kbd);
335 	usb_fill_int_urb(kbd->irq, dev, pipe,
336 			 kbd->new, (maxp > 8 ? 8 : maxp),
337 			 usb_kbd_irq, kbd, endpoint->bInterval);
338 	kbd->irq->transfer_dma = kbd->new_dma;
339 	kbd->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
341 	kbd->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE;
342 	kbd->cr->bRequest = 0x09;
343 	kbd->cr->wValue = cpu_to_le16(0x200);
344 	kbd->cr->wIndex = cpu_to_le16(interface->desc.bInterfaceNumber);
345 	kbd->cr->wLength = cpu_to_le16(1);
347 	usb_fill_control_urb(kbd->led, dev, usb_sndctrlpipe(dev, 0),
348 			     (void *) kbd->cr, kbd->leds, 1,
349 			     usb_kbd_led, kbd);
350 	kbd->led->transfer_dma = kbd->leds_dma;
351 	kbd->led->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
353 	error = input_register_device(kbd->dev);
357 	usb_set_intfdata(iface, kbd);
362 	usb_kbd_free_mem(dev, kbd);
365 	kfree(kbd);
371 	struct usb_kbd *kbd = usb_get_intfdata (intf);
374 	if (kbd) {
375 		usb_kill_urb(kbd->irq);
376 		input_unregister_device(kbd->dev);
377 		usb_kill_urb(kbd->led);
378 		usb_kbd_free_mem(interface_to_usbdev(intf), kbd);
379 		kfree(kbd);