Lines Matching +full:led +full:- +full:8
1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (c) 1999-2001 Vojtech Pavlik
11 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
12 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
38 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
56 * struct usb_kbd - state of each attached keyboard
64 * @led: URB for sending LEDs (e.g. numlock, ...)
65 * @newleds: data that will be sent with the @led URB representing which LEDs
71 * @cr: Control request for @led URB
72 * @leds: Buffer for the @led URB
74 * @leds_dma: DMA address for @led URB
76 * @led_urb_submitted: indicates whether @led is in progress, i.e. it has been
78 * without resubmitting @led
83 unsigned char old[8];
84 struct urb *irq, *led;
102 struct usb_kbd *kbd = urb->context;
105 switch (urb->status) {
108 case -ECONNRESET: /* unlink */
109 case -ENOENT:
110 case -ESHUTDOWN:
112 /* -EPIPE: should clear the halt */
117 for (i = 0; i < 8; i++)
118 input_report_key(kbd->dev, usb_kbd_keycode[i + 224], (kbd->new[0] >> i) & 1);
120 for (i = 2; i < 8; i++) {
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);
126 hid_info(urb->dev,
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);
135 hid_info(urb->dev,
137 kbd->new[i]);
141 input_sync(kbd->dev);
143 memcpy(kbd->old, kbd->new, 8);
148 hid_err(urb->dev, "can't resubmit intr, %s-%s/input0, status %d",
149 kbd->usbdev->bus->bus_name,
150 kbd->usbdev->devpath, i);
160 return -1;
162 spin_lock_irqsave(&kbd->leds_lock, flags);
163 kbd->newleds = (!!test_bit(LED_KANA, dev->led) << 4) | (!!test_bit(LED_COMPOSE, dev->led) << 3) |
164 (!!test_bit(LED_SCROLLL, dev->led) << 2) | (!!test_bit(LED_CAPSL, dev->led) << 1) |
165 (!!test_bit(LED_NUML, dev->led));
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;
195 if (urb->status)
196 hid_warn(urb->dev, "led urb status %d received\n",
197 urb->status);
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)){
211 hid_err(urb->dev, "usb_submit_urb(leds) failed\n");
212 kbd->led_urb_submitted = false;
214 spin_unlock_irqrestore(&kbd->leds_lock, flags);
222 kbd->irq->dev = kbd->usbdev;
223 if (usb_submit_urb(kbd->irq, GFP_KERNEL))
224 return -EIO;
233 usb_kill_urb(kbd->irq);
238 if (!(kbd->irq = usb_alloc_urb(0, GFP_KERNEL)))
239 return -1;
240 if (!(kbd->led = usb_alloc_urb(0, GFP_KERNEL)))
241 return -1;
242 if (!(kbd->new = usb_alloc_coherent(dev, 8, GFP_KERNEL, &kbd->new_dma)))
243 return -1;
244 if (!(kbd->cr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL)))
245 return -1;
246 if (!(kbd->leds = usb_alloc_coherent(dev, 1, GFP_KERNEL, &kbd->leds_dma)))
247 return -1;
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);
270 int error = -ENOMEM;
272 interface = iface->cur_altsetting;
274 if (interface->desc.bNumEndpoints != 1)
275 return -ENODEV;
277 endpoint = &interface->endpoint[0].desc;
279 return -ENODEV;
281 pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
292 kbd->usbdev = dev;
293 kbd->dev = input_dev;
294 spin_lock_init(&kbd->leds_lock);
296 if (dev->manufacturer)
297 strscpy(kbd->name, dev->manufacturer, sizeof(kbd->name));
299 if (dev->product) {
300 if (dev->manufacturer)
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),
308 le16_to_cpu(dev->descriptor.idVendor),
309 le16_to_cpu(dev->descriptor.idProduct));
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;
316 usb_to_input_id(dev, &input_dev->id);
317 input_dev->dev.parent = &iface->dev;
321 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_LED) |
323 input_dev->ledbit[0] = BIT_MASK(LED_NUML) | BIT_MASK(LED_CAPSL) |
328 set_bit(usb_kbd_keycode[i], input_dev->keybit);
329 clear_bit(0, input_dev->keybit);
331 input_dev->event = usb_kbd_event;
332 input_dev->open = usb_kbd_open;
333 input_dev->close = usb_kbd_close;
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,
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);
358 device_set_wakeup_enable(&dev->dev, 1);
375 usb_kill_urb(kbd->irq);
376 input_unregister_device(kbd->dev);
377 usb_kill_urb(kbd->led);