129 static void usb_kbd_put_queue(struct usb_kbd_pdata *data, u8 c)  in usb_kbd_put_queue()  argument
131 	if (data->usb_in_pointer == USB_KBD_BUFFER_LEN - 1) {  in usb_kbd_put_queue()
133 		if (data->usb_out_pointer == 0)  in usb_kbd_put_queue()
136 		data->usb_in_pointer = 0;  in usb_kbd_put_queue()
139 		if (data->usb_in_pointer == data->usb_out_pointer - 1)  in usb_kbd_put_queue()
142 		data->usb_in_pointer++;  in usb_kbd_put_queue()
145 	data->usb_kbd_buffer[data->usb_in_pointer] = c;  in usb_kbd_put_queue()
156 	struct usb_kbd_pdata *data = dev->privptr;  in usb_kbd_setled()  local
159 	*leds = data->flags & USB_KBD_LEDMASK;  in usb_kbd_setled()
167 static int usb_kbd_translate(struct usb_kbd_pdata *data, unsigned char scancode,  in usb_kbd_translate()  argument
174 		data->repeat_delay = 0;  in usb_kbd_translate()
179 		data->repeat_delay++;  in usb_kbd_translate()
180 		if (data->repeat_delay < REPEAT_DELAY)  in usb_kbd_translate()
183 		data->repeat_delay = REPEAT_DELAY;  in usb_kbd_translate()
190 		if (data->flags & USB_KBD_CAPSLOCK)  in usb_kbd_translate()
214 	if (data->flags & USB_KBD_CTRL)  in usb_kbd_translate()
219 			data->flags ^= USB_KBD_NUMLOCK;  in usb_kbd_translate()
224 			data->flags ^= USB_KBD_CAPSLOCK;  in usb_kbd_translate()
228 			data->flags ^= USB_KBD_SCROLLLOCK;  in usb_kbd_translate()
236 		usb_kbd_put_queue(data, keycode);  in usb_kbd_translate()
245 	usb_kbd_put_queue(data, 0x1b);  in usb_kbd_translate()
248 		usb_kbd_put_queue(data, 0x4f);  in usb_kbd_translate()
249 		usb_kbd_put_queue(data, scancode - 0x3a + 'P');  in usb_kbd_translate()
252 	usb_kbd_put_queue(data, '[');  in usb_kbd_translate()
255 		usb_kbd_put_queue(data, '1');  in usb_kbd_translate()
261 		usb_kbd_put_queue(data, '2');  in usb_kbd_translate()
272 	usb_kbd_put_queue(data, keycode);  in usb_kbd_translate()
274 		usb_kbd_put_queue(data, '~');  in usb_kbd_translate()
279 		usb_kbd_put_queue(data, 0x1b);  in usb_kbd_translate()
280 		usb_kbd_put_queue(data, '[');  in usb_kbd_translate()
281 		usb_kbd_put_queue(data, usb_special_keys[scancode - 0x4f]);  in usb_kbd_translate()
291 	struct usb_kbd_pdata *data = dev->privptr;  in usb_kbd_service_key()  local
296 		new = data->old;  in usb_kbd_service_key()
297 		old = data->new;  in usb_kbd_service_key()
299 		new = data->new;  in usb_kbd_service_key()
300 		old = data->old;  in usb_kbd_service_key()
306 		res |= usb_kbd_translate(data, old[i], data->new[0], up);  in usb_kbd_service_key()
315 	struct usb_kbd_pdata *data = dev->privptr;  in usb_kbd_irq_worker()  local
319 	if (data->new[0] == 0x00)  in usb_kbd_irq_worker()
320 		data->flags &= ~USB_KBD_CTRL;  in usb_kbd_irq_worker()
322 	else if ((data->new[0] == LEFT_CNTR) || (data->new[0] == RIGHT_CNTR))  in usb_kbd_irq_worker()
323 		data->flags |= USB_KBD_CTRL;  in usb_kbd_irq_worker()
331 	if ((data->new[2] > 3) && (data->old[2] == data->new[2]))  in usb_kbd_irq_worker()
332 		res |= usb_kbd_translate(data, data->new[2], data->new[0], 2);  in usb_kbd_irq_worker()
337 	memcpy(data->old, data->new, USB_KBD_BOOT_REPORT_SIZE);  in usb_kbd_irq_worker()
359 	struct usb_kbd_pdata *data = dev->privptr;  local
362 	if (usb_int_msg(dev, data->intpipe, &data->new[0],
363 			data->intpktsize, data->intinterval, true) >= 0)
369 	struct usb_kbd_pdata *data = dev->privptr;
372 		       1, 0, data->new, USB_KBD_BOOT_REPORT_SIZE);
373 	if (memcmp(data->old, data->new, USB_KBD_BOOT_REPORT_SIZE)) {
376 	struct usb_kbd_pdata *data = dev->privptr;
377 	if (poll_int_queue(dev, data->intq)) {
380 		destroy_int_queue(dev, data->intq);
381 		data->intq = create_int_queue(dev, data->intpipe, 1,
382 				      USB_KBD_BOOT_REPORT_SIZE, data->new,
383 				      data->intinterval);
385 		data->last_report = get_timer(0);
387 	} else if (data->last_report != -1 &&
388 		   get_timer(data->last_report) > REPEAT_RATE) {
390 		data->last_report = get_timer(0);
400 	struct usb_kbd_pdata *data;  local
414 	data = usb_kbd_dev->privptr;
418 	return !(data->usb_in_pointer == data->usb_out_pointer);
426 	struct usb_kbd_pdata *data;  local
430 	data = usb_kbd_dev->privptr;
432 	while (data->usb_in_pointer == data->usb_out_pointer)
435 	if (data->usb_out_pointer == USB_KBD_BUFFER_LEN - 1)
436 		data->usb_out_pointer = 0;
438 		data->usb_out_pointer++;
440 	return data->usb_kbd_buffer[data->usb_out_pointer];
448 	struct usb_kbd_pdata *data;  local
478 	data = malloc(sizeof(struct usb_kbd_pdata));
479 	if (!data) {
485 	memset(data, 0, sizeof(struct usb_kbd_pdata));
488 	data->new = memalign(USB_DMA_MINALIGN,
492 	dev->privptr = data;
497 	data->intpipe = usb_rcvintpipe(dev, ep->bEndpointAddress);
498 	data->intpktsize = min(usb_maxpacket(dev, data->intpipe),
500 	data->intinterval = ep->bInterval;
501 	data->last_report = -1;
516 	data->intq = create_int_queue(dev, data->intpipe, 1,
517 				      USB_KBD_BOOT_REPORT_SIZE, data->new,
518 				      data->intinterval);
519 	if (!data->intq) {
522 			   1, 0, data->new, USB_KBD_BOOT_REPORT_SIZE) < 0) {
524 	if (usb_int_msg(dev, data->intpipe, data->new, data->intpktsize,
525 			data->intinterval, false) < 0) {
617 	struct usb_kbd_pdata *data;  local
622 		data = usb_kbd_dev->privptr;
630 		destroy_int_queue(usb_kbd_dev, data->intq);
632 		free(data->new);
633 		free(data);
711 	struct usb_kbd_pdata *data;  local
720 	data = udev->privptr;
732 	destroy_int_queue(udev, data->intq);
734 	free(data->new);
735 	free(data);