26 MODULE_PARM_DESC(enable_ir, "enable ir (default is enable)");
30 MODULE_PARM_DESC(ir_clock_mhz, "ir clock, in MHz");
39 		printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg); \
60 	/* IR device properties */
66 	struct tm6000_IR *ir = dev->ir;  in tm6000_ir_wait()  local
68 	if (!dev->ir)  in tm6000_ir_wait()
71 	dprintk(2, "%s: %i\n",__func__, ir->wait);  in tm6000_ir_wait()
74 		ir->wait = 1;  in tm6000_ir_wait()
76 		ir->wait = 0;  in tm6000_ir_wait()
79 static int tm6000_ir_config(struct tm6000_IR *ir)  in tm6000_ir_config()  argument
81 	struct tm6000_core *dev = ir->dev;  in tm6000_ir_config()
87 	 * The IR decoder supports RC-5 or NEC, with a configurable timing.  in tm6000_ir_config()
95 	 * IR, in order to discard such decoding  in tm6000_ir_config()
98 	switch (ir->rc_proto) {  in tm6000_ir_config()
112 	if (ir->rc_proto == RC_PROTO_BIT_NEC)  in tm6000_ir_config()
117 		(ir->rc_proto == RC_PROTO_BIT_NEC) ? "NEC" : "RC-5",  in tm6000_ir_config()
120 	/* Remote WAKEUP = enable, normal mode, from IR decoder output */  in tm6000_ir_config()
123 	/* Enable IR reception on non-busrt mode */  in tm6000_ir_config()
126 	/* IR_WKUP_SEL = Low byte in decoded IR data */  in tm6000_ir_config()
137 	if (!ir->polling)  in tm6000_ir_config()
143 	/* Shows that IR is working via the LED */  in tm6000_ir_config()
147 	ir->pwled = 1;  in tm6000_ir_config()
152 static void tm6000_ir_keydown(struct tm6000_IR *ir,  in tm6000_ir_keydown()  argument
164 	switch (ir->rc_proto) {  in tm6000_ir_keydown()
181 	rc_keydown(ir->rc, protocol, scancode, 0);  in tm6000_ir_keydown()
187 	struct tm6000_IR *ir = dev->ir;  in tm6000_ir_urb_received()  local
192 		printk(KERN_INFO "tm6000: IR URB failure: status: %i, length %i\n",  in tm6000_ir_urb_received()
194 		ir->submit_urb = 1;  in tm6000_ir_urb_received()
195 		schedule_delayed_work(&ir->work, msecs_to_jiffies(URB_SUBMIT_DELAY));  in tm6000_ir_urb_received()
201 		print_hex_dump(KERN_DEBUG, "tm6000: IR data: ",  in tm6000_ir_urb_received()
205 	tm6000_ir_keydown(ir, urb->transfer_buffer, urb->actual_length);  in tm6000_ir_urb_received()
212 	ir->pwled = 2;  in tm6000_ir_urb_received()
213 	schedule_delayed_work(&ir->work, msecs_to_jiffies(10));  in tm6000_ir_urb_received()
218 	struct tm6000_IR *ir = container_of(work, struct tm6000_IR, work.work);  in tm6000_ir_handle_key()  local
219 	struct tm6000_core *dev = ir->dev;  in tm6000_ir_handle_key()
223 	if (ir->wait)  in tm6000_ir_handle_key()
236 		if (!ir->pwled) {  in tm6000_ir_handle_key()
238 			ir->pwled = 1;  in tm6000_ir_handle_key()
243 	tm6000_ir_keydown(ir, buf, rc);  in tm6000_ir_handle_key()
245 	ir->pwled = 0;  in tm6000_ir_handle_key()
248 	schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling));  in tm6000_ir_handle_key()
253 	struct tm6000_IR *ir = container_of(work, struct tm6000_IR, work.work);  in tm6000_ir_int_work()  local
254 	struct tm6000_core *dev = ir->dev;  in tm6000_ir_int_work()
257 	dprintk(3, "%s, submit_urb = %d, pwled = %d\n",__func__, ir->submit_urb,  in tm6000_ir_int_work()
258 		ir->pwled);  in tm6000_ir_int_work()
260 	if (ir->submit_urb) {  in tm6000_ir_int_work()
264 		rc = usb_submit_urb(ir->int_urb, GFP_ATOMIC);  in tm6000_ir_int_work()
266 			printk(KERN_ERR "tm6000: Can't submit an IR interrupt. Error %i\n",  in tm6000_ir_int_work()
269 			schedule_delayed_work(&ir->work, msecs_to_jiffies(URB_SUBMIT_DELAY));  in tm6000_ir_int_work()
272 		ir->submit_urb = 0;  in tm6000_ir_int_work()
276 	if (ir->pwled == 2) {  in tm6000_ir_int_work()
278 		ir->pwled = 0;  in tm6000_ir_int_work()
279 		schedule_delayed_work(&ir->work, msecs_to_jiffies(URB_INT_LED_DELAY));  in tm6000_ir_int_work()
280 	} else if (!ir->pwled) {  in tm6000_ir_int_work()
282 		ir->pwled = 1;  in tm6000_ir_int_work()
288 	struct tm6000_IR *ir = rc->priv;  in tm6000_ir_start()  local
292 	schedule_delayed_work(&ir->work, 0);  in tm6000_ir_start()
299 	struct tm6000_IR *ir = rc->priv;  in tm6000_ir_stop()  local
303 	cancel_delayed_work_sync(&ir->work);  in tm6000_ir_stop()
308 	struct tm6000_IR *ir = rc->priv;  in tm6000_ir_change_protocol()  local
310 	if (!ir)  in tm6000_ir_change_protocol()
315 	ir->rc_proto = *rc_proto;  in tm6000_ir_change_protocol()
317 	tm6000_ir_config(ir);  in tm6000_ir_change_protocol()
324 	struct tm6000_IR *ir = rc->priv;  in __tm6000_ir_int_start()  local
329 	if (!ir)  in __tm6000_ir_int_start()
331 	dev = ir->dev;  in __tm6000_ir_int_start()
335 	ir->int_urb = usb_alloc_urb(0, GFP_ATOMIC);  in __tm6000_ir_int_start()
336 	if (!ir->int_urb)  in __tm6000_ir_int_start()
344 	dprintk(1, "IR max size: %d\n", size);  in __tm6000_ir_int_start()
346 	ir->int_urb->transfer_buffer = kzalloc(size, GFP_ATOMIC);  in __tm6000_ir_int_start()
347 	if (!ir->int_urb->transfer_buffer) {  in __tm6000_ir_int_start()
348 		usb_free_urb(ir->int_urb);  in __tm6000_ir_int_start()
353 	usb_fill_int_urb(ir->int_urb, dev->udev, pipe,  in __tm6000_ir_int_start()
354 		ir->int_urb->transfer_buffer, size,  in __tm6000_ir_int_start()
358 	ir->submit_urb = 1;  in __tm6000_ir_int_start()
359 	schedule_delayed_work(&ir->work, msecs_to_jiffies(URB_SUBMIT_DELAY));  in __tm6000_ir_int_start()
366 	struct tm6000_IR *ir = rc->priv;  in __tm6000_ir_int_stop()  local
368 	if (!ir || !ir->int_urb)  in __tm6000_ir_int_stop()
373 	usb_kill_urb(ir->int_urb);  in __tm6000_ir_int_stop()
374 	kfree(ir->int_urb->transfer_buffer);  in __tm6000_ir_int_stop()
375 	usb_free_urb(ir->int_urb);  in __tm6000_ir_int_stop()
376 	ir->int_urb = NULL;  in __tm6000_ir_int_stop()
381 	struct tm6000_IR *ir = dev->ir;  in tm6000_ir_int_start()  local
383 	if (!ir)  in tm6000_ir_int_start()
386 	return __tm6000_ir_int_start(ir->rc);  in tm6000_ir_int_start()
391 	struct tm6000_IR *ir = dev->ir;  in tm6000_ir_int_stop()  local
393 	if (!ir || !ir->rc)  in tm6000_ir_int_stop()
396 	__tm6000_ir_int_stop(ir->rc);  in tm6000_ir_int_stop()
401 	struct tm6000_IR *ir;  in tm6000_ir_init()  local
415 	ir = kzalloc(sizeof(*ir), GFP_ATOMIC);  in tm6000_ir_init()
417 	if (!ir || !rc)  in tm6000_ir_init()
423 	ir->dev = dev;  in tm6000_ir_init()
424 	dev->ir = ir;  in tm6000_ir_init()
425 	ir->rc = rc;  in tm6000_ir_init()
431 	rc->priv = ir;  in tm6000_ir_init()
436 		INIT_DELAYED_WORK(&ir->work, tm6000_ir_int_work);  in tm6000_ir_init()
440 		ir->polling = 50;  in tm6000_ir_init()
441 		INIT_DELAYED_WORK(&ir->work, tm6000_ir_handle_key);  in tm6000_ir_init()
444 	snprintf(ir->name, sizeof(ir->name), "tm5600/60x0 IR (%s)",  in tm6000_ir_init()
447 	usb_make_path(dev->udev, ir->phys, sizeof(ir->phys));  in tm6000_ir_init()
448 	strlcat(ir->phys, "/input0", sizeof(ir->phys));  in tm6000_ir_init()
453 	rc->device_name = ir->name;  in tm6000_ir_init()
454 	rc->input_phys = ir->phys;  in tm6000_ir_init()
463 	/* ir register */  in tm6000_ir_init()
471 	dev->ir = NULL;  in tm6000_ir_init()
473 	kfree(ir);  in tm6000_ir_init()
479 	struct tm6000_IR *ir = dev->ir;  in tm6000_ir_fini()  local
483 	if (!ir)  in tm6000_ir_fini()
488 	if (!ir->polling)  in tm6000_ir_fini()
489 		__tm6000_ir_int_stop(ir->rc);  in tm6000_ir_fini()
491 	tm6000_ir_stop(ir->rc);  in tm6000_ir_fini()
495 	ir->pwled = 0;  in tm6000_ir_fini()
497 	rc_unregister_device(ir->rc);  in tm6000_ir_fini()
499 	kfree(ir);  in tm6000_ir_fini()
500 	dev->ir = NULL;  in tm6000_ir_fini()