34 MODULE_PARM_DESC(enable_ir, "enable ir (default is enable)");
38 MODULE_PARM_DESC(ir_clock_mhz, "ir clock, in MHz");
47 		printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg); \
68 	/* IR device properties */
74 	struct tm6000_IR *ir = dev->ir;  in tm6000_ir_wait()  local
76 	if (!dev->ir)  in tm6000_ir_wait()
79 	dprintk(2, "%s: %i\n",__func__, ir->wait);  in tm6000_ir_wait()
82 		ir->wait = 1;  in tm6000_ir_wait()
84 		ir->wait = 0;  in tm6000_ir_wait()
87 static int tm6000_ir_config(struct tm6000_IR *ir)  in tm6000_ir_config()  argument
89 	struct tm6000_core *dev = ir->dev;  in tm6000_ir_config()
95 	 * The IR decoder supports RC-5 or NEC, with a configurable timing.  in tm6000_ir_config()
103 	 * IR, in order to discard such decoding  in tm6000_ir_config()
106 	switch (ir->rc_proto) {  in tm6000_ir_config()
120 	if (ir->rc_proto == RC_PROTO_BIT_NEC)  in tm6000_ir_config()
125 		(ir->rc_proto == RC_PROTO_BIT_NEC) ? "NEC" : "RC-5",  in tm6000_ir_config()
128 	/* Remote WAKEUP = enable, normal mode, from IR decoder output */  in tm6000_ir_config()
131 	/* Enable IR reception on non-busrt mode */  in tm6000_ir_config()
134 	/* IR_WKUP_SEL = Low byte in decoded IR data */  in tm6000_ir_config()
145 	if (!ir->polling)  in tm6000_ir_config()
151 	/* Shows that IR is working via the LED */  in tm6000_ir_config()
155 	ir->pwled = 1;  in tm6000_ir_config()
160 static void tm6000_ir_keydown(struct tm6000_IR *ir,  in tm6000_ir_keydown()  argument
172 	switch (ir->rc_proto) {  in tm6000_ir_keydown()
189 	rc_keydown(ir->rc, protocol, scancode, 0);  in tm6000_ir_keydown()
195 	struct tm6000_IR *ir = dev->ir;  in tm6000_ir_urb_received()  local
200 		printk(KERN_INFO "tm6000: IR URB failure: status: %i, length %i\n",  in tm6000_ir_urb_received()
202 		ir->submit_urb = 1;  in tm6000_ir_urb_received()
203 		schedule_delayed_work(&ir->work, msecs_to_jiffies(URB_SUBMIT_DELAY));  in tm6000_ir_urb_received()
209 		print_hex_dump(KERN_DEBUG, "tm6000: IR data: ",  in tm6000_ir_urb_received()
213 	tm6000_ir_keydown(ir, urb->transfer_buffer, urb->actual_length);  in tm6000_ir_urb_received()
220 	ir->pwled = 2;  in tm6000_ir_urb_received()
221 	schedule_delayed_work(&ir->work, msecs_to_jiffies(10));  in tm6000_ir_urb_received()
226 	struct tm6000_IR *ir = container_of(work, struct tm6000_IR, work.work);  in tm6000_ir_handle_key()  local
227 	struct tm6000_core *dev = ir->dev;  in tm6000_ir_handle_key()
231 	if (ir->wait)  in tm6000_ir_handle_key()
244 		if (!ir->pwled) {  in tm6000_ir_handle_key()
246 			ir->pwled = 1;  in tm6000_ir_handle_key()
251 	tm6000_ir_keydown(ir, buf, rc);  in tm6000_ir_handle_key()
253 	ir->pwled = 0;  in tm6000_ir_handle_key()
256 	schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling));  in tm6000_ir_handle_key()
261 	struct tm6000_IR *ir = container_of(work, struct tm6000_IR, work.work);  in tm6000_ir_int_work()  local
262 	struct tm6000_core *dev = ir->dev;  in tm6000_ir_int_work()
265 	dprintk(3, "%s, submit_urb = %d, pwled = %d\n",__func__, ir->submit_urb,  in tm6000_ir_int_work()
266 		ir->pwled);  in tm6000_ir_int_work()
268 	if (ir->submit_urb) {  in tm6000_ir_int_work()
272 		rc = usb_submit_urb(ir->int_urb, GFP_ATOMIC);  in tm6000_ir_int_work()
274 			printk(KERN_ERR "tm6000: Can't submit an IR interrupt. Error %i\n",  in tm6000_ir_int_work()
277 			schedule_delayed_work(&ir->work, msecs_to_jiffies(URB_SUBMIT_DELAY));  in tm6000_ir_int_work()
280 		ir->submit_urb = 0;  in tm6000_ir_int_work()
284 	if (ir->pwled == 2) {  in tm6000_ir_int_work()
286 		ir->pwled = 0;  in tm6000_ir_int_work()
287 		schedule_delayed_work(&ir->work, msecs_to_jiffies(URB_INT_LED_DELAY));  in tm6000_ir_int_work()
288 	} else if (!ir->pwled) {  in tm6000_ir_int_work()
290 		ir->pwled = 1;  in tm6000_ir_int_work()
296 	struct tm6000_IR *ir = rc->priv;  in tm6000_ir_start()  local
300 	schedule_delayed_work(&ir->work, 0);  in tm6000_ir_start()
307 	struct tm6000_IR *ir = rc->priv;  in tm6000_ir_stop()  local
311 	cancel_delayed_work_sync(&ir->work);  in tm6000_ir_stop()
316 	struct tm6000_IR *ir = rc->priv;  in tm6000_ir_change_protocol()  local
318 	if (!ir)  in tm6000_ir_change_protocol()
323 	ir->rc_proto = *rc_proto;  in tm6000_ir_change_protocol()
325 	tm6000_ir_config(ir);  in tm6000_ir_change_protocol()
332 	struct tm6000_IR *ir = rc->priv;  in __tm6000_ir_int_start()  local
337 	if (!ir)  in __tm6000_ir_int_start()
339 	dev = ir->dev;  in __tm6000_ir_int_start()
343 	ir->int_urb = usb_alloc_urb(0, GFP_ATOMIC);  in __tm6000_ir_int_start()
344 	if (!ir->int_urb)  in __tm6000_ir_int_start()
352 	dprintk(1, "IR max size: %d\n", size);  in __tm6000_ir_int_start()
354 	ir->int_urb->transfer_buffer = kzalloc(size, GFP_ATOMIC);  in __tm6000_ir_int_start()
355 	if (!ir->int_urb->transfer_buffer) {  in __tm6000_ir_int_start()
356 		usb_free_urb(ir->int_urb);  in __tm6000_ir_int_start()
361 	usb_fill_int_urb(ir->int_urb, dev->udev, pipe,  in __tm6000_ir_int_start()
362 		ir->int_urb->transfer_buffer, size,  in __tm6000_ir_int_start()
366 	ir->submit_urb = 1;  in __tm6000_ir_int_start()
367 	schedule_delayed_work(&ir->work, msecs_to_jiffies(URB_SUBMIT_DELAY));  in __tm6000_ir_int_start()
374 	struct tm6000_IR *ir = rc->priv;  in __tm6000_ir_int_stop()  local
376 	if (!ir || !ir->int_urb)  in __tm6000_ir_int_stop()
381 	usb_kill_urb(ir->int_urb);  in __tm6000_ir_int_stop()
382 	kfree(ir->int_urb->transfer_buffer);  in __tm6000_ir_int_stop()
383 	usb_free_urb(ir->int_urb);  in __tm6000_ir_int_stop()
384 	ir->int_urb = NULL;  in __tm6000_ir_int_stop()
389 	struct tm6000_IR *ir = dev->ir;  in tm6000_ir_int_start()  local
391 	if (!ir)  in tm6000_ir_int_start()
394 	return __tm6000_ir_int_start(ir->rc);  in tm6000_ir_int_start()
399 	struct tm6000_IR *ir = dev->ir;  in tm6000_ir_int_stop()  local
401 	if (!ir || !ir->rc)  in tm6000_ir_int_stop()
404 	__tm6000_ir_int_stop(ir->rc);  in tm6000_ir_int_stop()
409 	struct tm6000_IR *ir;  in tm6000_ir_init()  local
423 	ir = kzalloc(sizeof(*ir), GFP_ATOMIC);  in tm6000_ir_init()
425 	if (!ir || !rc)  in tm6000_ir_init()
431 	ir->dev = dev;  in tm6000_ir_init()
432 	dev->ir = ir;  in tm6000_ir_init()
433 	ir->rc = rc;  in tm6000_ir_init()
439 	rc->priv = ir;  in tm6000_ir_init()
444 		INIT_DELAYED_WORK(&ir->work, tm6000_ir_int_work);  in tm6000_ir_init()
448 		ir->polling = 50;  in tm6000_ir_init()
449 		INIT_DELAYED_WORK(&ir->work, tm6000_ir_handle_key);  in tm6000_ir_init()
452 	snprintf(ir->name, sizeof(ir->name), "tm5600/60x0 IR (%s)",  in tm6000_ir_init()
455 	usb_make_path(dev->udev, ir->phys, sizeof(ir->phys));  in tm6000_ir_init()
456 	strlcat(ir->phys, "/input0", sizeof(ir->phys));  in tm6000_ir_init()
461 	rc->device_name = ir->name;  in tm6000_ir_init()
462 	rc->input_phys = ir->phys;  in tm6000_ir_init()
471 	/* ir register */  in tm6000_ir_init()
479 	dev->ir = NULL;  in tm6000_ir_init()
481 	kfree(ir);  in tm6000_ir_init()
487 	struct tm6000_IR *ir = dev->ir;  in tm6000_ir_fini()  local
491 	if (!ir)  in tm6000_ir_fini()
496 	if (!ir->polling)  in tm6000_ir_fini()
497 		__tm6000_ir_int_stop(ir->rc);  in tm6000_ir_fini()
499 	tm6000_ir_stop(ir->rc);  in tm6000_ir_fini()
503 	ir->pwled = 0;  in tm6000_ir_fini()
505 	rc_unregister_device(ir->rc);  in tm6000_ir_fini()
507 	kfree(ir);  in tm6000_ir_fini()
508 	dev->ir = NULL;  in tm6000_ir_fini()