Lines Matching refs:ir
95 static void process_ir_data(struct iguanair *ir, unsigned len) in process_ir_data() argument
97 if (len >= 4 && ir->buf_in[0] == 0 && ir->buf_in[1] == 0) { in process_ir_data()
98 switch (ir->buf_in[3]) { in process_ir_data()
101 ir->version = (ir->buf_in[5] << 8) | in process_ir_data()
102 ir->buf_in[4]; in process_ir_data()
103 complete(&ir->completion); in process_ir_data()
108 ir->bufsize = ir->buf_in[4]; in process_ir_data()
109 complete(&ir->completion); in process_ir_data()
114 ir->cycle_overhead = ir->buf_in[5]; in process_ir_data()
115 complete(&ir->completion); in process_ir_data()
119 ir->tx_overflow = true; in process_ir_data()
123 complete(&ir->completion); in process_ir_data()
126 dev_warn(ir->dev, "receive overflow\n"); in process_ir_data()
127 ir_raw_event_reset(ir->rc); in process_ir_data()
130 dev_warn(ir->dev, "control code %02x received\n", in process_ir_data()
131 ir->buf_in[3]); in process_ir_data()
142 if (ir->buf_in[i] == 0x80) { in process_ir_data()
146 rawir.pulse = (ir->buf_in[i] & 0x80) == 0; in process_ir_data()
147 rawir.duration = ((ir->buf_in[i] & 0x7f) + 1) * in process_ir_data()
151 if (ir_raw_event_store_with_filter(ir->rc, &rawir)) in process_ir_data()
156 ir_raw_event_handle(ir->rc); in process_ir_data()
162 struct iguanair *ir; in iguanair_rx() local
168 ir = urb->context; in iguanair_rx()
169 if (!ir) { in iguanair_rx()
176 process_ir_data(ir, urb->actual_length); in iguanair_rx()
185 dev_dbg(ir->dev, "Error: urb status = %d\n", urb->status); in iguanair_rx()
191 dev_warn(ir->dev, "failed to resubmit urb: %d\n", rc); in iguanair_rx()
196 struct iguanair *ir = urb->context; in iguanair_irq_out() local
199 dev_dbg(ir->dev, "Error: out urb status = %d\n", urb->status); in iguanair_irq_out()
202 if (urb->status == 0 && ir->packet->header.cmd == CMD_NOP) in iguanair_irq_out()
203 complete(&ir->completion); in iguanair_irq_out()
206 static int iguanair_send(struct iguanair *ir, unsigned size) in iguanair_send() argument
210 reinit_completion(&ir->completion); in iguanair_send()
212 ir->urb_out->transfer_buffer_length = size; in iguanair_send()
213 rc = usb_submit_urb(ir->urb_out, GFP_KERNEL); in iguanair_send()
217 if (wait_for_completion_timeout(&ir->completion, TIMEOUT) == 0) in iguanair_send()
223 static int iguanair_get_features(struct iguanair *ir) in iguanair_get_features() argument
232 ir->packet->header.start = 0; in iguanair_get_features()
233 ir->packet->header.direction = DIR_OUT; in iguanair_get_features()
234 ir->packet->header.cmd = CMD_NOP; in iguanair_get_features()
235 iguanair_send(ir, sizeof(ir->packet->header)); in iguanair_get_features()
237 ir->packet->header.cmd = CMD_GET_VERSION; in iguanair_get_features()
238 rc = iguanair_send(ir, sizeof(ir->packet->header)); in iguanair_get_features()
240 dev_info(ir->dev, "failed to get version\n"); in iguanair_get_features()
244 if (ir->version < 0x205) { in iguanair_get_features()
245 dev_err(ir->dev, "firmware 0x%04x is too old\n", ir->version); in iguanair_get_features()
250 ir->bufsize = 150; in iguanair_get_features()
251 ir->cycle_overhead = 65; in iguanair_get_features()
253 ir->packet->header.cmd = CMD_GET_BUFSIZE; in iguanair_get_features()
255 rc = iguanair_send(ir, sizeof(ir->packet->header)); in iguanair_get_features()
257 dev_info(ir->dev, "failed to get buffer size\n"); in iguanair_get_features()
261 if (ir->bufsize > BUF_SIZE) { in iguanair_get_features()
262 dev_info(ir->dev, "buffer size %u larger than expected\n", in iguanair_get_features()
263 ir->bufsize); in iguanair_get_features()
264 ir->bufsize = BUF_SIZE; in iguanair_get_features()
267 ir->packet->header.cmd = CMD_GET_FEATURES; in iguanair_get_features()
269 rc = iguanair_send(ir, sizeof(ir->packet->header)); in iguanair_get_features()
271 dev_info(ir->dev, "failed to get features\n"); in iguanair_get_features()
276 static int iguanair_receiver(struct iguanair *ir, bool enable) in iguanair_receiver() argument
278 ir->packet->header.start = 0; in iguanair_receiver()
279 ir->packet->header.direction = DIR_OUT; in iguanair_receiver()
280 ir->packet->header.cmd = enable ? CMD_RECEIVER_ON : CMD_RECEIVER_OFF; in iguanair_receiver()
283 ir_raw_event_reset(ir->rc); in iguanair_receiver()
285 return iguanair_send(ir, sizeof(ir->packet->header)); in iguanair_receiver()
296 struct iguanair *ir = dev->priv; in iguanair_set_tx_carrier() local
301 mutex_lock(&ir->lock); in iguanair_set_tx_carrier()
303 if (carrier != ir->carrier) { in iguanair_set_tx_carrier()
306 ir->carrier = carrier; in iguanair_set_tx_carrier()
309 ir->cycle_overhead; in iguanair_set_tx_carrier()
327 ir->packet->busy7 = (4 - sevens) * 2; in iguanair_set_tx_carrier()
328 ir->packet->busy4 = 110 - fours; in iguanair_set_tx_carrier()
331 mutex_unlock(&ir->lock); in iguanair_set_tx_carrier()
338 struct iguanair *ir = dev->priv; in iguanair_set_tx_mask() local
343 mutex_lock(&ir->lock); in iguanair_set_tx_mask()
344 ir->packet->channels = mask << 4; in iguanair_set_tx_mask()
345 mutex_unlock(&ir->lock); in iguanair_set_tx_mask()
352 struct iguanair *ir = dev->priv; in iguanair_tx() local
357 mutex_lock(&ir->lock); in iguanair_tx()
361 periods = DIV_ROUND_CLOSEST(txbuf[i] * ir->carrier, 1000000); in iguanair_tx()
363 if (size + bytes > ir->bufsize) { in iguanair_tx()
369 ir->packet->payload[size++] = p | space; in iguanair_tx()
375 ir->packet->header.start = 0; in iguanair_tx()
376 ir->packet->header.direction = DIR_OUT; in iguanair_tx()
377 ir->packet->header.cmd = CMD_SEND; in iguanair_tx()
378 ir->packet->length = size; in iguanair_tx()
380 ir->tx_overflow = false; in iguanair_tx()
382 rc = iguanair_send(ir, sizeof(*ir->packet) + size); in iguanair_tx()
384 if (rc == 0 && ir->tx_overflow) in iguanair_tx()
388 mutex_unlock(&ir->lock); in iguanair_tx()
395 struct iguanair *ir = rdev->priv; in iguanair_open() local
398 mutex_lock(&ir->lock); in iguanair_open()
400 rc = iguanair_receiver(ir, true); in iguanair_open()
402 ir->receiver_on = true; in iguanair_open()
404 mutex_unlock(&ir->lock); in iguanair_open()
411 struct iguanair *ir = rdev->priv; in iguanair_close() local
414 mutex_lock(&ir->lock); in iguanair_close()
416 rc = iguanair_receiver(ir, false); in iguanair_close()
417 ir->receiver_on = false; in iguanair_close()
419 dev_warn(ir->dev, "failed to disable receiver: %d\n", rc); in iguanair_close()
421 mutex_unlock(&ir->lock); in iguanair_close()
428 struct iguanair *ir; in iguanair_probe() local
433 ir = kzalloc(sizeof(*ir), GFP_KERNEL); in iguanair_probe()
435 if (!ir || !rc) { in iguanair_probe()
440 ir->buf_in = usb_alloc_coherent(udev, MAX_IN_PACKET, GFP_KERNEL, in iguanair_probe()
441 &ir->dma_in); in iguanair_probe()
442 ir->packet = usb_alloc_coherent(udev, MAX_OUT_PACKET, GFP_KERNEL, in iguanair_probe()
443 &ir->dma_out); in iguanair_probe()
444 ir->urb_in = usb_alloc_urb(0, GFP_KERNEL); in iguanair_probe()
445 ir->urb_out = usb_alloc_urb(0, GFP_KERNEL); in iguanair_probe()
447 if (!ir->buf_in || !ir->packet || !ir->urb_in || !ir->urb_out) { in iguanair_probe()
459 ir->rc = rc; in iguanair_probe()
460 ir->dev = &intf->dev; in iguanair_probe()
461 ir->udev = udev; in iguanair_probe()
462 mutex_init(&ir->lock); in iguanair_probe()
464 init_completion(&ir->completion); in iguanair_probe()
467 usb_fill_int_urb(ir->urb_out, udev, pipeout, ir->packet, MAX_OUT_PACKET, in iguanair_probe()
468 iguanair_irq_out, ir, 1); in iguanair_probe()
469 ir->urb_out->transfer_dma = ir->dma_out; in iguanair_probe()
470 ir->urb_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; in iguanair_probe()
473 usb_fill_int_urb(ir->urb_in, udev, pipein, ir->buf_in, MAX_IN_PACKET, in iguanair_probe()
474 iguanair_rx, ir, 1); in iguanair_probe()
475 ir->urb_in->transfer_dma = ir->dma_in; in iguanair_probe()
476 ir->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; in iguanair_probe()
478 ret = usb_submit_urb(ir->urb_in, GFP_KERNEL); in iguanair_probe()
484 ret = iguanair_get_features(ir); in iguanair_probe()
488 snprintf(ir->name, sizeof(ir->name), in iguanair_probe()
489 "IguanaWorks USB IR Transceiver version 0x%04x", ir->version); in iguanair_probe()
491 usb_make_path(ir->udev, ir->phys, sizeof(ir->phys)); in iguanair_probe()
493 rc->input_name = ir->name; in iguanair_probe()
494 rc->input_phys = ir->phys; in iguanair_probe()
495 usb_to_input_id(ir->udev, &rc->input_id); in iguanair_probe()
499 rc->priv = ir; in iguanair_probe()
519 usb_set_intfdata(intf, ir); in iguanair_probe()
523 usb_kill_urb(ir->urb_in); in iguanair_probe()
524 usb_kill_urb(ir->urb_out); in iguanair_probe()
526 if (ir) { in iguanair_probe()
527 usb_free_urb(ir->urb_in); in iguanair_probe()
528 usb_free_urb(ir->urb_out); in iguanair_probe()
529 usb_free_coherent(udev, MAX_IN_PACKET, ir->buf_in, ir->dma_in); in iguanair_probe()
530 usb_free_coherent(udev, MAX_OUT_PACKET, ir->packet, in iguanair_probe()
531 ir->dma_out); in iguanair_probe()
534 kfree(ir); in iguanair_probe()
540 struct iguanair *ir = usb_get_intfdata(intf); in iguanair_disconnect() local
542 rc_unregister_device(ir->rc); in iguanair_disconnect()
544 usb_kill_urb(ir->urb_in); in iguanair_disconnect()
545 usb_kill_urb(ir->urb_out); in iguanair_disconnect()
546 usb_free_urb(ir->urb_in); in iguanair_disconnect()
547 usb_free_urb(ir->urb_out); in iguanair_disconnect()
548 usb_free_coherent(ir->udev, MAX_IN_PACKET, ir->buf_in, ir->dma_in); in iguanair_disconnect()
549 usb_free_coherent(ir->udev, MAX_OUT_PACKET, ir->packet, ir->dma_out); in iguanair_disconnect()
550 kfree(ir); in iguanair_disconnect()
555 struct iguanair *ir = usb_get_intfdata(intf); in iguanair_suspend() local
558 mutex_lock(&ir->lock); in iguanair_suspend()
560 if (ir->receiver_on) { in iguanair_suspend()
561 rc = iguanair_receiver(ir, false); in iguanair_suspend()
563 dev_warn(ir->dev, "failed to disable receiver for suspend\n"); in iguanair_suspend()
566 usb_kill_urb(ir->urb_in); in iguanair_suspend()
567 usb_kill_urb(ir->urb_out); in iguanair_suspend()
569 mutex_unlock(&ir->lock); in iguanair_suspend()
576 struct iguanair *ir = usb_get_intfdata(intf); in iguanair_resume() local
579 mutex_lock(&ir->lock); in iguanair_resume()
581 rc = usb_submit_urb(ir->urb_in, GFP_KERNEL); in iguanair_resume()
585 if (ir->receiver_on) { in iguanair_resume()
586 rc = iguanair_receiver(ir, true); in iguanair_resume()
588 dev_warn(ir->dev, "failed to enable receiver after resume\n"); in iguanair_resume()
591 mutex_unlock(&ir->lock); in iguanair_resume()