1 // SPDX-License-Identifier: GPL-2.0-or-later
5  * sir_ir - Device driver for use with SIR (serial infra red)
19 #include <media/rc-core.h>
24 /* 9bit * 1s/115200bit in milli seconds = 78.125ms*/
50 /* Communication with user-space */
70 /* SECTION: Communication with user-space */
106 			val -= TIME_CONST / 2;  in add_read_queue()
140 		dev_dbg(&sir_ir_dev->dev, "timeout add %d for %lu usec\n",  in sir_timeout()
162 			dev_err(&sir_ir_dev->dev, "Trapped in interrupt");  in sir_interrupt()
188 				dev_dbg(&sir_ir_dev->dev, "t %lu, d %d\n",  in sir_interrupt()
196 						dev_dbg(&sir_ir_dev->dev, "GAP\n");  in sir_interrupt()
199 							       delt -  in sir_interrupt()
213 						       delt - TIME_CONST);  in sir_interrupt()
254 	while (bytes_out--) {  in send_pulse()
289 		return -ENODEV;  in init_hardware()
330 	rcdev = devm_rc_allocate_device(&sir_ir_dev->dev, RC_DRIVER_IR_RAW);  in sir_ir_probe()
332 		return -ENOMEM;  in sir_ir_probe()
334 	rcdev->device_name = "SIR IrDA port";  in sir_ir_probe()
335 	rcdev->input_phys = KBUILD_MODNAME "/input0";  in sir_ir_probe()
336 	rcdev->input_id.bustype = BUS_HOST;  in sir_ir_probe()
337 	rcdev->input_id.vendor = 0x0001;  in sir_ir_probe()
338 	rcdev->input_id.product = 0x0001;  in sir_ir_probe()
339 	rcdev->input_id.version = 0x0100;  in sir_ir_probe()
340 	rcdev->tx_ir = sir_tx_ir;  in sir_ir_probe()
341 	rcdev->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;  in sir_ir_probe()
342 	rcdev->driver_name = KBUILD_MODNAME;  in sir_ir_probe()
343 	rcdev->map_name = RC_MAP_RC6_MCE;  in sir_ir_probe()
344 	rcdev->timeout = IR_DEFAULT_TIMEOUT;  in sir_ir_probe()
345 	rcdev->dev.parent = &sir_ir_dev->dev;  in sir_ir_probe()
350 	if (!devm_request_region(&sir_ir_dev->dev, io, 8, KBUILD_MODNAME)) {  in sir_ir_probe()
352 		return -EBUSY;  in sir_ir_probe()
354 	retval = devm_request_irq(&sir_ir_dev->dev, irq, sir_interrupt, 0,  in sir_ir_probe()
369 	retval = devm_rc_register_device(&sir_ir_dev->dev, rcdev);  in sir_ir_probe()
401 		retval = -ENOMEM;  in sir_ir_init()