Lines Matching refs:ir
79 static void process_ir_data(struct iguanair *ir, unsigned len)
81 if (len >= 4 && ir->buf_in[0] == 0 && ir->buf_in[1] == 0) {
82 switch (ir->buf_in[3]) {
85 ir->version = (ir->buf_in[5] << 8) |
86 ir->buf_in[4];
87 complete(&ir->completion);
92 ir->bufsize = ir->buf_in[4];
93 complete(&ir->completion);
98 ir->cycle_overhead = ir->buf_in[5];
99 complete(&ir->completion);
103 ir->tx_overflow = true;
108 complete(&ir->completion);
111 dev_warn(ir->dev, "receive overflow\n");
112 ir_raw_event_reset(ir->rc);
115 dev_warn(ir->dev, "control code %02x received\n",
116 ir->buf_in[3]);
125 if (ir->buf_in[i] == 0x80) {
129 rawir.pulse = (ir->buf_in[i] & 0x80) == 0;
130 rawir.duration = ((ir->buf_in[i] & 0x7f) + 1) *
134 if (ir_raw_event_store_with_filter(ir->rc, &rawir))
139 ir_raw_event_handle(ir->rc);
145 struct iguanair *ir;
151 ir = urb->context;
152 if (!ir) {
159 process_ir_data(ir, urb->actual_length);
168 dev_dbg(ir->dev, "Error: urb status = %d\n", urb->status);
174 dev_warn(ir->dev, "failed to resubmit urb: %d\n", rc);
179 struct iguanair *ir = urb->context;
182 dev_dbg(ir->dev, "Error: out urb status = %d\n", urb->status);
185 if (urb->status == 0 && ir->packet->header.cmd == CMD_NOP)
186 complete(&ir->completion);
189 static int iguanair_send(struct iguanair *ir, unsigned size)
193 reinit_completion(&ir->completion);
195 ir->urb_out->transfer_buffer_length = size;
196 rc = usb_submit_urb(ir->urb_out, GFP_KERNEL);
200 if (wait_for_completion_timeout(&ir->completion, TIMEOUT) == 0)
206 static int iguanair_get_features(struct iguanair *ir)
215 ir->packet->header.start = 0;
216 ir->packet->header.direction = DIR_OUT;
217 ir->packet->header.cmd = CMD_NOP;
218 iguanair_send(ir, sizeof(ir->packet->header));
220 ir->packet->header.cmd = CMD_GET_VERSION;
221 rc = iguanair_send(ir, sizeof(ir->packet->header));
223 dev_info(ir->dev, "failed to get version\n");
227 if (ir->version < 0x205) {
228 dev_err(ir->dev, "firmware 0x%04x is too old\n", ir->version);
233 ir->bufsize = 150;
234 ir->cycle_overhead = 65;
236 ir->packet->header.cmd = CMD_GET_BUFSIZE;
238 rc = iguanair_send(ir, sizeof(ir->packet->header));
240 dev_info(ir->dev, "failed to get buffer size\n");
244 if (ir->bufsize > BUF_SIZE) {
245 dev_info(ir->dev, "buffer size %u larger than expected\n",
246 ir->bufsize);
247 ir->bufsize = BUF_SIZE;
250 ir->packet->header.cmd = CMD_GET_FEATURES;
252 rc = iguanair_send(ir, sizeof(ir->packet->header));
254 dev_info(ir->dev, "failed to get features\n");
259 static int iguanair_receiver(struct iguanair *ir, bool enable)
261 ir->packet->header.start = 0;
262 ir->packet->header.direction = DIR_OUT;
263 ir->packet->header.cmd = enable ? CMD_RECEIVER_ON : CMD_RECEIVER_OFF;
266 ir_raw_event_reset(ir->rc);
268 return iguanair_send(ir, sizeof(ir->packet->header));
279 struct iguanair *ir = dev->priv;
284 if (carrier != ir->carrier) {
287 ir->carrier = carrier;
290 ir->cycle_overhead;
308 ir->packet->busy7 = (4 - sevens) * 2;
309 ir->packet->busy4 = 110 - fours;
317 struct iguanair *ir = dev->priv;
322 ir->packet->channels = mask << 4;
329 struct iguanair *ir = dev->priv;
335 periods = DIV_ROUND_CLOSEST(txbuf[i] * ir->carrier, 1000000);
338 if (size >= ir->bufsize) {
342 ir->packet->payload[size++] = p | ((i & 1) ? 0x80 : 0);
347 ir->packet->header.start = 0;
348 ir->packet->header.direction = DIR_OUT;
349 ir->packet->header.cmd = CMD_SEND;
350 ir->packet->length = size;
352 ir->tx_overflow = false;
354 rc = iguanair_send(ir, sizeof(*ir->packet) + size);
356 if (rc == 0 && ir->tx_overflow)
365 struct iguanair *ir = rdev->priv;
368 rc = iguanair_receiver(ir, true);
370 ir->receiver_on = true;
377 struct iguanair *ir = rdev->priv;
380 rc = iguanair_receiver(ir, false);
381 ir->receiver_on = false;
383 dev_warn(ir->dev, "failed to disable receiver: %d\n", rc);
390 struct iguanair *ir;
399 ir = kzalloc(sizeof(*ir), GFP_KERNEL);
401 if (!ir || !rc) {
406 ir->buf_in = usb_alloc_coherent(udev, MAX_IN_PACKET, GFP_KERNEL,
407 &ir->dma_in);
408 ir->packet = usb_alloc_coherent(udev, MAX_OUT_PACKET, GFP_KERNEL,
409 &ir->dma_out);
410 ir->urb_in = usb_alloc_urb(0, GFP_KERNEL);
411 ir->urb_out = usb_alloc_urb(0, GFP_KERNEL);
413 if (!ir->buf_in || !ir->packet || !ir->urb_in || !ir->urb_out ||
420 ir->rc = rc;
421 ir->dev = &intf->dev;
422 ir->udev = udev;
424 init_completion(&ir->completion);
427 usb_fill_int_urb(ir->urb_out, udev, pipeout, ir->packet, MAX_OUT_PACKET,
428 iguanair_irq_out, ir, 1);
429 ir->urb_out->transfer_dma = ir->dma_out;
430 ir->urb_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
433 usb_fill_int_urb(ir->urb_in, udev, pipein, ir->buf_in, MAX_IN_PACKET,
434 iguanair_rx, ir, 1);
435 ir->urb_in->transfer_dma = ir->dma_in;
436 ir->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
438 ret = usb_submit_urb(ir->urb_in, GFP_KERNEL);
444 ret = iguanair_get_features(ir);
448 snprintf(ir->name, sizeof(ir->name),
449 "IguanaWorks USB IR Transceiver version 0x%04x", ir->version);
451 usb_make_path(ir->udev, ir->phys, sizeof(ir->phys));
453 rc->device_name = ir->name;
454 rc->input_phys = ir->phys;
455 usb_to_input_id(ir->udev, &rc->input_id);
458 rc->priv = ir;
480 usb_set_intfdata(intf, ir);
484 usb_kill_urb(ir->urb_in);
485 usb_kill_urb(ir->urb_out);
487 if (ir) {
488 usb_free_urb(ir->urb_in);
489 usb_free_urb(ir->urb_out);
490 usb_free_coherent(udev, MAX_IN_PACKET, ir->buf_in, ir->dma_in);
491 usb_free_coherent(udev, MAX_OUT_PACKET, ir->packet,
492 ir->dma_out);
495 kfree(ir);
501 struct iguanair *ir = usb_get_intfdata(intf);
503 rc_unregister_device(ir->rc);
505 usb_kill_urb(ir->urb_in);
506 usb_kill_urb(ir->urb_out);
507 usb_free_urb(ir->urb_in);
508 usb_free_urb(ir->urb_out);
509 usb_free_coherent(ir->udev, MAX_IN_PACKET, ir->buf_in, ir->dma_in);
510 usb_free_coherent(ir->udev, MAX_OUT_PACKET, ir->packet, ir->dma_out);
511 kfree(ir);
516 struct iguanair *ir = usb_get_intfdata(intf);
519 if (ir->receiver_on) {
520 rc = iguanair_receiver(ir, false);
522 dev_warn(ir->dev, "failed to disable receiver for suspend\n");
525 usb_kill_urb(ir->urb_in);
526 usb_kill_urb(ir->urb_out);
533 struct iguanair *ir = usb_get_intfdata(intf);
536 rc = usb_submit_urb(ir->urb_in, GFP_KERNEL);
540 if (ir->receiver_on) {
541 rc = iguanair_receiver(ir, true);
543 dev_warn(ir->dev, "failed to enable receiver after resume\n");