Lines Matching refs:remote
23 #define DRIVER_DESC "Driver for the USB Keyspan remote control."
35 /* Defines for converting the data from the remote. */
94 /* Structure to store all the real stuff that a remote sends to us. */
124 /* variables used to parse messages from remote. */
133 * Debug routine that prints out what we've received from the remote.
176 static void keyspan_report_button(struct usb_keyspan *remote, int button, int press)
178 struct input_dev *input = remote->input;
181 input_report_key(input, remote->keymap[button], press);
186 * Routine that handles all the logic needed to parse out the message from the remote.
188 static void keyspan_check_data(struct usb_keyspan *remote)
194 switch(remote->stage) {
197 * In stage 0 we want to find the start of a message. The remote sends a 0xFF as filler.
200 for (i = 0; i < RECV_SIZE && remote->in_buffer[i] == GAP; ++i);
203 memcpy(remote->data.buffer, remote->in_buffer, RECV_SIZE);
204 remote->data.len = RECV_SIZE;
205 remote->data.pos = 0;
206 remote->data.tester = 0;
207 remote->data.bits_left = 0;
208 remote->stage = 1;
217 memcpy(remote->data.buffer + remote->data.len, remote->in_buffer, RECV_SIZE);
218 remote->data.len += RECV_SIZE;
221 while ((remote->data.bits_left >= 14 || remote->data.pos < remote->data.len) && !found) {
223 if (keyspan_load_tester(remote, 14) != 0) {
224 remote->stage = 0;
228 if ((remote->data.tester & SYNC_MASK) == SYNC) {
229 remote->data.tester = remote->data.tester >> 14;
230 remote->data.bits_left -= 14;
234 remote->data.tester = remote->data.tester >> 1;
235 --remote->data.bits_left;
241 remote->stage = 0;
242 remote->data.len = 0;
244 remote->stage = 2;
254 memcpy(remote->data.buffer + remote->data.len, remote->in_buffer, RECV_SIZE);
255 remote->data.len += RECV_SIZE;
259 keyspan_load_tester(remote, 6);
261 if ((remote->data.tester & ZERO_MASK) == ZERO) {
263 remote->data.tester = remote->data.tester >> 5;
264 remote->data.bits_left -= 5;
265 } else if ((remote->data.tester & ONE_MASK) == ONE) {
267 remote->data.tester = remote->data.tester >> 6;
268 remote->data.bits_left -= 6;
271 remote->stage = 0;
278 keyspan_load_tester(remote, 6);
280 if ((remote->data.tester & ZERO_MASK) == ZERO) {
282 remote->data.tester = remote->data.tester >> 5;
283 remote->data.bits_left -= 5;
284 } else if ((remote->data.tester & ONE_MASK) == ONE) {
286 remote->data.tester = remote->data.tester >> 6;
287 remote->data.bits_left -= 6;
290 remote->stage = 0;
295 keyspan_load_tester(remote, 6);
296 if ((remote->data.tester & ZERO_MASK) == ZERO) {
298 remote->data.tester = remote->data.tester >> 5;
299 remote->data.bits_left -= 5;
300 } else if ((remote->data.tester & ONE_MASK) == ONE) {
302 remote->data.tester = remote->data.tester >> 6;
303 remote->data.bits_left -= 6;
306 remote->stage = 0;
310 keyspan_load_tester(remote, 5);
311 if ((remote->data.tester & STOP_MASK) == STOP) {
312 remote->data.tester = remote->data.tester >> 5;
313 remote->data.bits_left -= 5;
318 dev_dbg(&remote->udev->dev,
322 if (message.toggle != remote->toggle) {
323 keyspan_report_button(remote, message.button, 1);
324 keyspan_report_button(remote, message.button, 0);
325 remote->toggle = message.toggle;
328 remote->stage = 0;
334 * Routine for sending all the initialization messages to the remote.
405 struct usb_keyspan *remote = input_get_drvdata(dev);
407 remote->irq_urb->dev = remote->udev;
408 if (usb_submit_urb(remote->irq_urb, GFP_KERNEL))
416 struct usb_keyspan *remote = input_get_drvdata(dev);
418 usb_kill_urb(remote->irq_urb);
446 struct usb_keyspan *remote;
454 remote = kzalloc(sizeof(*remote), GFP_KERNEL);
456 if (!remote || !input_dev) {
461 remote->udev = udev;
462 remote->input = input_dev;
463 remote->interface = interface;
464 remote->in_endpoint = endpoint;
465 remote->toggle = -1; /* Set to -1 so we will always not match the toggle from the first remote message. */
467 remote->in_buffer = usb_alloc_coherent(udev, RECV_SIZE, GFP_ATOMIC, &remote->in_dma);
468 if (!remote->in_buffer) {
473 remote->irq_urb = usb_alloc_urb(0, GFP_KERNEL);
474 if (!remote->irq_urb) {
486 strlcpy(remote->name, udev->manufacturer, sizeof(remote->name));
490 strlcat(remote->name, " ", sizeof(remote->name));
491 strlcat(remote->name, udev->product, sizeof(remote->name));
494 if (!strlen(remote->name))
495 snprintf(remote->name, sizeof(remote->name),
500 usb_make_path(udev, remote->phys, sizeof(remote->phys));
501 strlcat(remote->phys, "/input0", sizeof(remote->phys));
502 memcpy(remote->keymap, keyspan_key_table, sizeof(remote->keymap));
504 input_dev->name = remote->name;
505 input_dev->phys = remote->phys;
508 input_dev->keycode = remote->keymap;
510 input_dev->keycodemax = ARRAY_SIZE(remote->keymap);
518 input_set_drvdata(input_dev, remote);
527 usb_fill_int_urb(remote->irq_urb,
528 remote->udev,
529 usb_rcvintpipe(remote->udev, endpoint->bEndpointAddress),
530 remote->in_buffer, RECV_SIZE, keyspan_irq_recv, remote,
532 remote->irq_urb->transfer_dma = remote->in_dma;
533 remote->irq_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
536 error = input_register_device(remote->input);
541 usb_set_intfdata(interface, remote);
545 fail3: usb_free_urb(remote->irq_urb);
546 fail2: usb_free_coherent(udev, RECV_SIZE, remote->in_buffer, remote->in_dma);
547 fail1: kfree(remote);
558 struct usb_keyspan *remote;
560 remote = usb_get_intfdata(interface);
563 if (remote) { /* We have a valid driver structure so clean up everything we allocated. */
564 input_unregister_device(remote->input);
565 usb_kill_urb(remote->irq_urb);
566 usb_free_urb(remote->irq_urb);
567 usb_free_coherent(remote->udev, RECV_SIZE, remote->in_buffer, remote->in_dma);
568 kfree(remote);