Lines Matching full:ir
2 * IguanaWorks USB IR Transceiver support
91 static void process_ir_data(struct iguanair *ir, unsigned len) in process_ir_data() argument
93 if (len >= 4 && ir->buf_in[0] == 0 && ir->buf_in[1] == 0) { in process_ir_data()
94 switch (ir->buf_in[3]) { in process_ir_data()
97 ir->version = (ir->buf_in[5] << 8) | in process_ir_data()
98 ir->buf_in[4]; in process_ir_data()
99 complete(&ir->completion); in process_ir_data()
104 ir->bufsize = ir->buf_in[4]; in process_ir_data()
105 complete(&ir->completion); in process_ir_data()
110 ir->cycle_overhead = ir->buf_in[5]; in process_ir_data()
111 complete(&ir->completion); in process_ir_data()
115 ir->tx_overflow = true; in process_ir_data()
120 complete(&ir->completion); in process_ir_data()
123 dev_warn(ir->dev, "receive overflow\n"); in process_ir_data()
124 ir_raw_event_reset(ir->rc); in process_ir_data()
127 dev_warn(ir->dev, "control code %02x received\n", in process_ir_data()
128 ir->buf_in[3]); in process_ir_data()
139 if (ir->buf_in[i] == 0x80) { in process_ir_data()
143 rawir.pulse = (ir->buf_in[i] & 0x80) == 0; in process_ir_data()
144 rawir.duration = ((ir->buf_in[i] & 0x7f) + 1) * in process_ir_data()
148 if (ir_raw_event_store_with_filter(ir->rc, &rawir)) in process_ir_data()
153 ir_raw_event_handle(ir->rc); in process_ir_data()
159 struct iguanair *ir; in iguanair_rx() local
165 ir = urb->context; in iguanair_rx()
166 if (!ir) { in iguanair_rx()
173 process_ir_data(ir, urb->actual_length); in iguanair_rx()
182 dev_dbg(ir->dev, "Error: urb status = %d\n", urb->status); in iguanair_rx()
188 dev_warn(ir->dev, "failed to resubmit urb: %d\n", rc); in iguanair_rx()
193 struct iguanair *ir = urb->context; in iguanair_irq_out() local
196 dev_dbg(ir->dev, "Error: out urb status = %d\n", urb->status); in iguanair_irq_out()
199 if (urb->status == 0 && ir->packet->header.cmd == CMD_NOP) in iguanair_irq_out()
200 complete(&ir->completion); in iguanair_irq_out()
203 static int iguanair_send(struct iguanair *ir, unsigned size) in iguanair_send() argument
207 reinit_completion(&ir->completion); in iguanair_send()
209 ir->urb_out->transfer_buffer_length = size; in iguanair_send()
210 rc = usb_submit_urb(ir->urb_out, GFP_KERNEL); in iguanair_send()
214 if (wait_for_completion_timeout(&ir->completion, TIMEOUT) == 0) in iguanair_send()
220 static int iguanair_get_features(struct iguanair *ir) in iguanair_get_features() argument
229 ir->packet->header.start = 0; in iguanair_get_features()
230 ir->packet->header.direction = DIR_OUT; in iguanair_get_features()
231 ir->packet->header.cmd = CMD_NOP; in iguanair_get_features()
232 iguanair_send(ir, sizeof(ir->packet->header)); in iguanair_get_features()
234 ir->packet->header.cmd = CMD_GET_VERSION; in iguanair_get_features()
235 rc = iguanair_send(ir, sizeof(ir->packet->header)); in iguanair_get_features()
237 dev_info(ir->dev, "failed to get version\n"); in iguanair_get_features()
241 if (ir->version < 0x205) { in iguanair_get_features()
242 dev_err(ir->dev, "firmware 0x%04x is too old\n", ir->version); in iguanair_get_features()
247 ir->bufsize = 150; in iguanair_get_features()
248 ir->cycle_overhead = 65; in iguanair_get_features()
250 ir->packet->header.cmd = CMD_GET_BUFSIZE; in iguanair_get_features()
252 rc = iguanair_send(ir, sizeof(ir->packet->header)); in iguanair_get_features()
254 dev_info(ir->dev, "failed to get buffer size\n"); in iguanair_get_features()
258 if (ir->bufsize > BUF_SIZE) { in iguanair_get_features()
259 dev_info(ir->dev, "buffer size %u larger than expected\n", in iguanair_get_features()
260 ir->bufsize); in iguanair_get_features()
261 ir->bufsize = BUF_SIZE; in iguanair_get_features()
264 ir->packet->header.cmd = CMD_GET_FEATURES; in iguanair_get_features()
266 rc = iguanair_send(ir, sizeof(ir->packet->header)); in iguanair_get_features()
268 dev_info(ir->dev, "failed to get features\n"); in iguanair_get_features()
273 static int iguanair_receiver(struct iguanair *ir, bool enable) in iguanair_receiver() argument
275 ir->packet->header.start = 0; in iguanair_receiver()
276 ir->packet->header.direction = DIR_OUT; in iguanair_receiver()
277 ir->packet->header.cmd = enable ? CMD_RECEIVER_ON : CMD_RECEIVER_OFF; in iguanair_receiver()
280 ir_raw_event_reset(ir->rc); in iguanair_receiver()
282 return iguanair_send(ir, sizeof(ir->packet->header)); in iguanair_receiver()
293 struct iguanair *ir = dev->priv; in iguanair_set_tx_carrier() local
298 mutex_lock(&ir->lock); in iguanair_set_tx_carrier()
300 if (carrier != ir->carrier) { in iguanair_set_tx_carrier()
303 ir->carrier = carrier; in iguanair_set_tx_carrier()
306 ir->cycle_overhead; in iguanair_set_tx_carrier()
324 ir->packet->busy7 = (4 - sevens) * 2; in iguanair_set_tx_carrier()
325 ir->packet->busy4 = 110 - fours; in iguanair_set_tx_carrier()
328 mutex_unlock(&ir->lock); in iguanair_set_tx_carrier()
335 struct iguanair *ir = dev->priv; in iguanair_set_tx_mask() local
340 mutex_lock(&ir->lock); in iguanair_set_tx_mask()
341 ir->packet->channels = mask << 4; in iguanair_set_tx_mask()
342 mutex_unlock(&ir->lock); in iguanair_set_tx_mask()
349 struct iguanair *ir = dev->priv; in iguanair_tx() local
353 mutex_lock(&ir->lock); in iguanair_tx()
357 periods = DIV_ROUND_CLOSEST(txbuf[i] * ir->carrier, 1000000); in iguanair_tx()
360 if (size >= ir->bufsize) { in iguanair_tx()
364 ir->packet->payload[size++] = p | ((i & 1) ? 0x80 : 0); in iguanair_tx()
369 ir->packet->header.start = 0; in iguanair_tx()
370 ir->packet->header.direction = DIR_OUT; in iguanair_tx()
371 ir->packet->header.cmd = CMD_SEND; in iguanair_tx()
372 ir->packet->length = size; in iguanair_tx()
374 ir->tx_overflow = false; in iguanair_tx()
376 rc = iguanair_send(ir, sizeof(*ir->packet) + size); in iguanair_tx()
378 if (rc == 0 && ir->tx_overflow) in iguanair_tx()
382 mutex_unlock(&ir->lock); in iguanair_tx()
389 struct iguanair *ir = rdev->priv; in iguanair_open() local
392 mutex_lock(&ir->lock); in iguanair_open()
394 rc = iguanair_receiver(ir, true); in iguanair_open()
396 ir->receiver_on = true; in iguanair_open()
398 mutex_unlock(&ir->lock); in iguanair_open()
405 struct iguanair *ir = rdev->priv; in iguanair_close() local
408 mutex_lock(&ir->lock); in iguanair_close()
410 rc = iguanair_receiver(ir, false); in iguanair_close()
411 ir->receiver_on = false; in iguanair_close()
413 dev_warn(ir->dev, "failed to disable receiver: %d\n", rc); in iguanair_close()
415 mutex_unlock(&ir->lock); in iguanair_close()
422 struct iguanair *ir; in iguanair_probe() local
431 ir = kzalloc(sizeof(*ir), GFP_KERNEL); in iguanair_probe()
433 if (!ir || !rc) { in iguanair_probe()
438 ir->buf_in = usb_alloc_coherent(udev, MAX_IN_PACKET, GFP_KERNEL, in iguanair_probe()
439 &ir->dma_in); in iguanair_probe()
440 ir->packet = usb_alloc_coherent(udev, MAX_OUT_PACKET, GFP_KERNEL, in iguanair_probe()
441 &ir->dma_out); in iguanair_probe()
442 ir->urb_in = usb_alloc_urb(0, GFP_KERNEL); in iguanair_probe()
443 ir->urb_out = usb_alloc_urb(0, GFP_KERNEL); in iguanair_probe()
445 if (!ir->buf_in || !ir->packet || !ir->urb_in || !ir->urb_out || in iguanair_probe()
452 ir->rc = rc; in iguanair_probe()
453 ir->dev = &intf->dev; in iguanair_probe()
454 ir->udev = udev; in iguanair_probe()
455 mutex_init(&ir->lock); in iguanair_probe()
457 init_completion(&ir->completion); in iguanair_probe()
460 usb_fill_int_urb(ir->urb_out, udev, pipeout, ir->packet, MAX_OUT_PACKET, in iguanair_probe()
461 iguanair_irq_out, ir, 1); in iguanair_probe()
462 ir->urb_out->transfer_dma = ir->dma_out; in iguanair_probe()
463 ir->urb_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; in iguanair_probe()
466 usb_fill_int_urb(ir->urb_in, udev, pipein, ir->buf_in, MAX_IN_PACKET, in iguanair_probe()
467 iguanair_rx, ir, 1); in iguanair_probe()
468 ir->urb_in->transfer_dma = ir->dma_in; in iguanair_probe()
469 ir->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; in iguanair_probe()
471 ret = usb_submit_urb(ir->urb_in, GFP_KERNEL); in iguanair_probe()
477 ret = iguanair_get_features(ir); in iguanair_probe()
481 snprintf(ir->name, sizeof(ir->name), in iguanair_probe()
482 "IguanaWorks USB IR Transceiver version 0x%04x", ir->version); in iguanair_probe()
484 usb_make_path(ir->udev, ir->phys, sizeof(ir->phys)); in iguanair_probe()
486 rc->device_name = ir->name; in iguanair_probe()
487 rc->input_phys = ir->phys; in iguanair_probe()
488 usb_to_input_id(ir->udev, &rc->input_id); in iguanair_probe()
491 rc->priv = ir; in iguanair_probe()
513 usb_set_intfdata(intf, ir); in iguanair_probe()
517 usb_kill_urb(ir->urb_in); in iguanair_probe()
518 usb_kill_urb(ir->urb_out); in iguanair_probe()
520 if (ir) { in iguanair_probe()
521 usb_free_urb(ir->urb_in); in iguanair_probe()
522 usb_free_urb(ir->urb_out); in iguanair_probe()
523 usb_free_coherent(udev, MAX_IN_PACKET, ir->buf_in, ir->dma_in); in iguanair_probe()
524 usb_free_coherent(udev, MAX_OUT_PACKET, ir->packet, in iguanair_probe()
525 ir->dma_out); in iguanair_probe()
528 kfree(ir); in iguanair_probe()
534 struct iguanair *ir = usb_get_intfdata(intf); in iguanair_disconnect() local
536 rc_unregister_device(ir->rc); in iguanair_disconnect()
538 usb_kill_urb(ir->urb_in); in iguanair_disconnect()
539 usb_kill_urb(ir->urb_out); in iguanair_disconnect()
540 usb_free_urb(ir->urb_in); in iguanair_disconnect()
541 usb_free_urb(ir->urb_out); in iguanair_disconnect()
542 usb_free_coherent(ir->udev, MAX_IN_PACKET, ir->buf_in, ir->dma_in); in iguanair_disconnect()
543 usb_free_coherent(ir->udev, MAX_OUT_PACKET, ir->packet, ir->dma_out); in iguanair_disconnect()
544 kfree(ir); in iguanair_disconnect()
549 struct iguanair *ir = usb_get_intfdata(intf); in iguanair_suspend() local
552 mutex_lock(&ir->lock); in iguanair_suspend()
554 if (ir->receiver_on) { in iguanair_suspend()
555 rc = iguanair_receiver(ir, false); in iguanair_suspend()
557 dev_warn(ir->dev, "failed to disable receiver for suspend\n"); in iguanair_suspend()
560 usb_kill_urb(ir->urb_in); in iguanair_suspend()
561 usb_kill_urb(ir->urb_out); in iguanair_suspend()
563 mutex_unlock(&ir->lock); in iguanair_suspend()
570 struct iguanair *ir = usb_get_intfdata(intf); in iguanair_resume() local
573 mutex_lock(&ir->lock); in iguanair_resume()
575 rc = usb_submit_urb(ir->urb_in, GFP_KERNEL); in iguanair_resume()
579 if (ir->receiver_on) { in iguanair_resume()
580 rc = iguanair_receiver(ir, true); in iguanair_resume()
582 dev_warn(ir->dev, "failed to enable receiver after resume\n"); in iguanair_resume()
585 mutex_unlock(&ir->lock); in iguanair_resume()
608 MODULE_DESCRIPTION("IguanaWorks USB IR Transceiver");