[deliverable/linux.git] / drivers / media / IR / ir-lirc-codec.c

/* ir-lirc-codec.c - ir-core to classic lirc interface bridge
 *
 * Copyright (C) 2010 by Jarod Wilson <jarod@redhat.com>
 *
 * This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation version 2 of the License.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 */

#include <linux/sched.h>
#include <linux/wait.h>
#include <media/lirc.h>
#include <media/lirc_dev.h>
#include <media/ir-core.h>
#include "ir-core-priv.h"

#define LIRCBUF_SIZE 256

/**
 * ir_lirc_decode() - Send raw IR data to lirc_dev to be relayed to the
 *		      lircd userspace daemon for decoding.
 * @input_dev:	the struct input_dev descriptor of the device
 * @duration:	the struct ir_raw_event descriptor of the pulse/space
 *
 * This function returns -EINVAL if the lirc interfaces aren't wired up.
 */
static int ir_lirc_decode(struct input_dev *input_dev, struct ir_raw_event ev)
{
	struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
	int sample;

	if (!(ir_dev->raw->enabled_protocols & IR_TYPE_LIRC))
		return 0;

	if (!ir_dev->raw->lirc.drv || !ir_dev->raw->lirc.drv->rbuf)
		return -EINVAL;

	if (IS_RESET(ev))
		return 0;

	IR_dprintk(2, "LIRC data transfer started (%uus %s)\n",
		   TO_US(ev.duration), TO_STR(ev.pulse));

	sample = ev.duration / 1000;
	if (ev.pulse)
		sample |= PULSE_BIT;

	lirc_buffer_write(ir_dev->raw->lirc.drv->rbuf,
			  (unsigned char *) &sample);
	wake_up(&ir_dev->raw->lirc.drv->rbuf->wait_poll);


	return 0;
}

static ssize_t ir_lirc_transmit_ir(struct file *file, const char *buf,
				   size_t n, loff_t *ppos)
{
	struct lirc_codec *lirc;
	struct ir_input_dev *ir_dev;
	int *txbuf; /* buffer with values to transmit */
	int ret = 0, count;

	lirc = lirc_get_pdata(file);
	if (!lirc)
		return -EFAULT;

	if (n % sizeof(int))
		return -EINVAL;

	count = n / sizeof(int);
	if (count > LIRCBUF_SIZE || count % 2 == 0)
		return -EINVAL;

	txbuf = memdup_user(buf, n);
	if (IS_ERR(txbuf))
		return PTR_ERR(txbuf);

	ir_dev = lirc->ir_dev;
	if (!ir_dev) {
		ret = -EFAULT;
		goto out;
	}

	if (ir_dev->props && ir_dev->props->tx_ir)
		ret = ir_dev->props->tx_ir(ir_dev->props->priv, txbuf, (u32)n);

out:
	kfree(txbuf);
	return ret;
}

static long ir_lirc_ioctl(struct file *filep, unsigned int cmd,
			unsigned long __user arg)
{
	struct lirc_codec *lirc;
	struct ir_input_dev *ir_dev;
	int ret = 0;
	void *drv_data;
	__u32 val = 0;

	lirc = lirc_get_pdata(filep);
	if (!lirc)
		return -EFAULT;

	ir_dev = lirc->ir_dev;
	if (!ir_dev || !ir_dev->props || !ir_dev->props->priv)
		return -EFAULT;

	drv_data = ir_dev->props->priv;

	if (_IOC_DIR(cmd) & _IOC_WRITE) {
		ret = get_user(val, (__u32 *)arg);
		if (ret)
			return ret;
	}

	switch (cmd) {

	/* legacy support */
	case LIRC_GET_SEND_MODE:
		val = LIRC_CAN_SEND_PULSE & LIRC_CAN_SEND_MASK;
		break;

	case LIRC_SET_SEND_MODE:
		if (val != (LIRC_MODE_PULSE & LIRC_CAN_SEND_MASK))
			return -EINVAL;
		break;

	/* TX settings */
	case LIRC_SET_TRANSMITTER_MASK:
		if (ir_dev->props->s_tx_mask)
			ret = ir_dev->props->s_tx_mask(drv_data, val);
		else
			return -EINVAL;
		break;

	case LIRC_SET_SEND_CARRIER:
		if (ir_dev->props->s_tx_carrier)
			ir_dev->props->s_tx_carrier(drv_data, val);
		else
			return -EINVAL;
		break;

	case LIRC_SET_SEND_DUTY_CYCLE:
		if (!ir_dev->props->s_tx_duty_cycle)
			return -ENOSYS;

		if (val <= 0 || val >= 100)
			return -EINVAL;

		ir_dev->props->s_tx_duty_cycle(ir_dev->props->priv, val);
		break;

	/* RX settings */
	case LIRC_SET_REC_CARRIER:
		if (ir_dev->props->s_rx_carrier_range)
			ret = ir_dev->props->s_rx_carrier_range(
				ir_dev->props->priv,
				ir_dev->raw->lirc.carrier_low, val);
		else
			return -ENOSYS;

		if (!ret)
			ir_dev->raw->lirc.carrier_low = 0;
		break;

	case LIRC_SET_REC_CARRIER_RANGE:
		if (val >= 0)
			ir_dev->raw->lirc.carrier_low = val;
		break;


	case LIRC_GET_REC_RESOLUTION:
		val = ir_dev->props->rx_resolution;
		break;

	case LIRC_SET_WIDEBAND_RECEIVER:
		if (ir_dev->props->s_learning_mode)
			return ir_dev->props->s_learning_mode(
				ir_dev->props->priv, !!val);
		else
			return -ENOSYS;

	/* Generic timeout support */
	case LIRC_GET_MIN_TIMEOUT:
		if (!ir_dev->props->max_timeout)
			return -ENOSYS;
		val = ir_dev->props->min_timeout / 1000;
		break;

	case LIRC_GET_MAX_TIMEOUT:
		if (!ir_dev->props->max_timeout)
			return -ENOSYS;
		val = ir_dev->props->max_timeout / 1000;
		break;

	case LIRC_SET_REC_TIMEOUT:
		if (val < ir_dev->props->min_timeout ||
		    val > ir_dev->props->max_timeout)
			return -EINVAL;
		ir_dev->props->timeout = val * 1000;
		break;

	default:
		return lirc_dev_fop_ioctl(filep, cmd, arg);
	}

	if (_IOC_DIR(cmd) & _IOC_READ)
		ret = put_user(val, (__u32 *)arg);

	return ret;
}

static int ir_lirc_open(void *data)
{
	return 0;
}

static void ir_lirc_close(void *data)
{
	return;
}

static struct file_operations lirc_fops = {
	.owner		= THIS_MODULE,
	.write		= ir_lirc_transmit_ir,
	.unlocked_ioctl	= ir_lirc_ioctl,
#ifdef CONFIG_COMPAT
	.compat_ioctl	= ir_lirc_ioctl,
#endif
	.read		= lirc_dev_fop_read,
	.poll		= lirc_dev_fop_poll,
	.open		= lirc_dev_fop_open,
	.release	= lirc_dev_fop_close,
};

static int ir_lirc_register(struct input_dev *input_dev)
{
	struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
	struct lirc_driver *drv;
	struct lirc_buffer *rbuf;
	int rc = -ENOMEM;
	unsigned long features;

	drv = kzalloc(sizeof(struct lirc_driver), GFP_KERNEL);
	if (!drv)
		return rc;

	rbuf = kzalloc(sizeof(struct lirc_buffer), GFP_KERNEL);
	if (!rbuf)
		goto rbuf_alloc_failed;

	rc = lirc_buffer_init(rbuf, sizeof(int), LIRCBUF_SIZE);
	if (rc)
		goto rbuf_init_failed;

	features = LIRC_CAN_REC_MODE2;
	if (ir_dev->props->tx_ir) {

		features |= LIRC_CAN_SEND_PULSE;
		if (ir_dev->props->s_tx_mask)
			features |= LIRC_CAN_SET_TRANSMITTER_MASK;
		if (ir_dev->props->s_tx_carrier)
			features |= LIRC_CAN_SET_SEND_CARRIER;

		if (ir_dev->props->s_tx_duty_cycle)
			features |= LIRC_CAN_SET_SEND_DUTY_CYCLE;
	}

	if (ir_dev->props->s_rx_carrier_range)
		features |= LIRC_CAN_SET_REC_CARRIER |
			LIRC_CAN_SET_REC_CARRIER_RANGE;

	if (ir_dev->props->s_learning_mode)
		features |= LIRC_CAN_USE_WIDEBAND_RECEIVER;

	if (ir_dev->props->max_timeout)
		features |= LIRC_CAN_SET_REC_TIMEOUT;


	snprintf(drv->name, sizeof(drv->name), "ir-lirc-codec (%s)",
		 ir_dev->driver_name);
	drv->minor = -1;
	drv->features = features;
	drv->data = &ir_dev->raw->lirc;
	drv->rbuf = rbuf;
	drv->set_use_inc = &ir_lirc_open;
	drv->set_use_dec = &ir_lirc_close;
	drv->code_length = sizeof(struct ir_raw_event) * 8;
	drv->fops = &lirc_fops;
	drv->dev = &ir_dev->dev;
	drv->owner = THIS_MODULE;

	drv->minor = lirc_register_driver(drv);
	if (drv->minor < 0) {
		rc = -ENODEV;
		goto lirc_register_failed;
	}

	ir_dev->raw->lirc.drv = drv;
	ir_dev->raw->lirc.ir_dev = ir_dev;
	return 0;

lirc_register_failed:
rbuf_init_failed:
	kfree(rbuf);
rbuf_alloc_failed:
	kfree(drv);

	return rc;
}

static int ir_lirc_unregister(struct input_dev *input_dev)
{
	struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
	struct lirc_codec *lirc = &ir_dev->raw->lirc;

	lirc_unregister_driver(lirc->drv->minor);
	lirc_buffer_free(lirc->drv->rbuf);
	kfree(lirc->drv);

	return 0;
}

static struct ir_raw_handler lirc_handler = {
	.protocols	= IR_TYPE_LIRC,
	.decode		= ir_lirc_decode,
	.raw_register	= ir_lirc_register,
	.raw_unregister	= ir_lirc_unregister,
};

static int __init ir_lirc_codec_init(void)
{
	ir_raw_handler_register(&lirc_handler);

	printk(KERN_INFO "IR LIRC bridge handler initialized\n");
	return 0;
}

static void __exit ir_lirc_codec_exit(void)
{
	ir_raw_handler_unregister(&lirc_handler);
}

module_init(ir_lirc_codec_init);
module_exit(ir_lirc_codec_exit);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>");
MODULE_AUTHOR("Red Hat Inc. (http://www.redhat.com)");
MODULE_DESCRIPTION("LIRC IR handler bridge");
Commit	Line	Data
ca414698 JW	1	/* ir-lirc-codec.c - ir-core to classic lirc interface bridge
	2	*
	3	* Copyright (C) 2010 by Jarod Wilson <jarod@redhat.com>
	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License as published by
	7	* the Free Software Foundation version 2 of the License.
	8	*
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
	13	*/
	14
	15	#include <linux/sched.h>
	16	#include <linux/wait.h>
	17	#include <media/lirc.h>
5690085e	18	#include <media/lirc_dev.h>
ca414698 JW	19	#include <media/ir-core.h>
ca414698 JW	20	#include "ir-core-priv.h"
ca414698 JW	21
	22	#define LIRCBUF_SIZE 256
	23
	24	/**
	25	* ir_lirc_decode() - Send raw IR data to lirc_dev to be relayed to the
	26	* lircd userspace daemon for decoding.
	27	* @input_dev: the struct input_dev descriptor of the device
	28	* @duration: the struct ir_raw_event descriptor of the pulse/space
	29	*
	30	* This function returns -EINVAL if the lirc interfaces aren't wired up.
	31	*/
	32	static int ir_lirc_decode(struct input_dev *input_dev, struct ir_raw_event ev)
	33	{
	34	struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
510fcb70	35	int sample;
ca414698 JW	36
	37	if (!(ir_dev->raw->enabled_protocols & IR_TYPE_LIRC))
	38	return 0;
	39
	40	if (!ir_dev->raw->lirc.drv \|\| !ir_dev->raw->lirc.drv->rbuf)
	41	return -EINVAL;
	42
510fcb70 ML	43	if (IS_RESET(ev))
	44	return 0;
	45
ca414698 JW	46	IR_dprintk(2, "LIRC data transfer started (%uus %s)\n",
	47	TO_US(ev.duration), TO_STR(ev.pulse));
	48
510fcb70	49	sample = ev.duration / 1000;
ca414698	50	if (ev.pulse)
510fcb70	51	sample \|= PULSE_BIT;
ca414698 JW	52
ca414698 JW	53	lirc_buffer_write(ir_dev->raw->lirc.drv->rbuf,
510fcb70	54	(unsigned char *) &sample);
ca414698 JW	55	wake_up(&ir_dev->raw->lirc.drv->rbuf->wait_poll);
ca414698 JW	56
ca414698 JW	57
	58	return 0;
	59	}
	60
	61	static ssize_t ir_lirc_transmit_ir(struct file file, const char buf,
	62	size_t n, loff_t *ppos)
	63	{
	64	struct lirc_codec *lirc;
	65	struct ir_input_dev *ir_dev;
	66	int txbuf; / buffer with values to transmit */
	67	int ret = 0, count;
	68
	69	lirc = lirc_get_pdata(file);
	70	if (!lirc)
	71	return -EFAULT;
	72
	73	if (n % sizeof(int))
	74	return -EINVAL;
	75
	76	count = n / sizeof(int);
	77	if (count > LIRCBUF_SIZE \|\| count % 2 == 0)
	78	return -EINVAL;
	79
6efb870a JW	80	txbuf = memdup_user(buf, n);
	81	if (IS_ERR(txbuf))
	82	return PTR_ERR(txbuf);
ca414698 JW	83
	84	ir_dev = lirc->ir_dev;
	85	if (!ir_dev) {
	86	ret = -EFAULT;
	87	goto out;
	88	}
	89
	90	if (ir_dev->props && ir_dev->props->tx_ir)
	91	ret = ir_dev->props->tx_ir(ir_dev->props->priv, txbuf, (u32)n);
	92
	93	out:
	94	kfree(txbuf);
	95	return ret;
	96	}
	97
e589333f ML	98	static long ir_lirc_ioctl(struct file *filep, unsigned int cmd,
e589333f ML	99	unsigned long __user arg)
ca414698 JW	100	{
	101	struct lirc_codec *lirc;
	102	struct ir_input_dev *ir_dev;
	103	int ret = 0;
	104	void *drv_data;
be1f985f	105	__u32 val = 0;
ca414698 JW	106
	107	lirc = lirc_get_pdata(filep);
	108	if (!lirc)
	109	return -EFAULT;
	110
	111	ir_dev = lirc->ir_dev;
	112	if (!ir_dev \|\| !ir_dev->props \|\| !ir_dev->props->priv)
	113	return -EFAULT;
	114
	115	drv_data = ir_dev->props->priv;
	116
e589333f	117	if (_IOC_DIR(cmd) & _IOC_WRITE) {
be1f985f	118	ret = get_user(val, (__u32 *)arg);
ca414698 JW	119	if (ret)
ca414698 JW	120	return ret;
e589333f ML	121	}
	122
	123	switch (cmd) {
	124
	125	/* legacy support */
	126	case LIRC_GET_SEND_MODE:
	127	val = LIRC_CAN_SEND_PULSE & LIRC_CAN_SEND_MASK;
	128	break;
	129
	130	case LIRC_SET_SEND_MODE:
	131	if (val != (LIRC_MODE_PULSE & LIRC_CAN_SEND_MASK))
	132	return -EINVAL;
	133	break;
ca414698	134
e589333f ML	135	/* TX settings */
	136	case LIRC_SET_TRANSMITTER_MASK:
	137	if (ir_dev->props->s_tx_mask)
be1f985f	138	ret = ir_dev->props->s_tx_mask(drv_data, val);
ca414698 JW	139	else
	140	return -EINVAL;
	141	break;
	142
	143	case LIRC_SET_SEND_CARRIER:
e589333f	144	if (ir_dev->props->s_tx_carrier)
be1f985f	145	ir_dev->props->s_tx_carrier(drv_data, val);
ca414698 JW	146	else
	147	return -EINVAL;
	148	break;
	149
e589333f ML	150	case LIRC_SET_SEND_DUTY_CYCLE:
	151	if (!ir_dev->props->s_tx_duty_cycle)
	152	return -ENOSYS;
	153
	154	if (val <= 0 \|\| val >= 100)
	155	return -EINVAL;
	156
	157	ir_dev->props->s_tx_duty_cycle(ir_dev->props->priv, val);
ca414698 JW	158	break;
ca414698 JW	159
e589333f ML	160	/* RX settings */
	161	case LIRC_SET_REC_CARRIER:
	162	if (ir_dev->props->s_rx_carrier_range)
	163	ret = ir_dev->props->s_rx_carrier_range(
	164	ir_dev->props->priv,
	165	ir_dev->raw->lirc.carrier_low, val);
	166	else
	167	return -ENOSYS;
ca414698	168
e589333f ML	169	if (!ret)
	170	ir_dev->raw->lirc.carrier_low = 0;
	171	break;
	172
	173	case LIRC_SET_REC_CARRIER_RANGE:
	174	if (val >= 0)
	175	ir_dev->raw->lirc.carrier_low = val;
	176	break;
	177
	178
	179	case LIRC_GET_REC_RESOLUTION:
	180	val = ir_dev->props->rx_resolution;
	181	break;
	182
	183	case LIRC_SET_WIDEBAND_RECEIVER:
	184	if (ir_dev->props->s_learning_mode)
	185	return ir_dev->props->s_learning_mode(
	186	ir_dev->props->priv, !!val);
	187	else
	188	return -ENOSYS;
	189
	190	/* Generic timeout support */
	191	case LIRC_GET_MIN_TIMEOUT:
	192	if (!ir_dev->props->max_timeout)
	193	return -ENOSYS;
	194	val = ir_dev->props->min_timeout / 1000;
	195	break;
	196
	197	case LIRC_GET_MAX_TIMEOUT:
	198	if (!ir_dev->props->max_timeout)
	199	return -ENOSYS;
	200	val = ir_dev->props->max_timeout / 1000;
	201	break;
	202
	203	case LIRC_SET_REC_TIMEOUT:
	204	if (val < ir_dev->props->min_timeout \|\|
	205	val > ir_dev->props->max_timeout)
ca414698	206	return -EINVAL;
e589333f	207	ir_dev->props->timeout = val * 1000;
ca414698 JW	208	break;
	209
	210	default:
044e5878	211	return lirc_dev_fop_ioctl(filep, cmd, arg);
ca414698 JW	212	}
ca414698 JW	213
e589333f	214	if (_IOC_DIR(cmd) & _IOC_READ)
be1f985f	215	ret = put_user(val, (__u32 *)arg);
e589333f	216
ca414698 JW	217	return ret;
	218	}
	219
	220	static int ir_lirc_open(void *data)
	221	{
	222	return 0;
	223	}
	224
	225	static void ir_lirc_close(void *data)
	226	{
	227	return;
	228	}
	229
	230	static struct file_operations lirc_fops = {
	231	.owner = THIS_MODULE,
	232	.write = ir_lirc_transmit_ir,
044e5878	233	.unlocked_ioctl = ir_lirc_ioctl,
8be292cc JW	234	#ifdef CONFIG_COMPAT
	235	.compat_ioctl = ir_lirc_ioctl,
	236	#endif
ca414698 JW	237	.read = lirc_dev_fop_read,
	238	.poll = lirc_dev_fop_poll,
	239	.open = lirc_dev_fop_open,
	240	.release = lirc_dev_fop_close,
	241	};
	242
	243	static int ir_lirc_register(struct input_dev *input_dev)
	244	{
	245	struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
	246	struct lirc_driver *drv;
	247	struct lirc_buffer *rbuf;
	248	int rc = -ENOMEM;
	249	unsigned long features;
	250
	251	drv = kzalloc(sizeof(struct lirc_driver), GFP_KERNEL);
	252	if (!drv)
	253	return rc;
	254
	255	rbuf = kzalloc(sizeof(struct lirc_buffer), GFP_KERNEL);
49b7a12c	256	if (!rbuf)
ca414698 JW	257	goto rbuf_alloc_failed;
	258
	259	rc = lirc_buffer_init(rbuf, sizeof(int), LIRCBUF_SIZE);
	260	if (rc)
	261	goto rbuf_init_failed;
	262
	263	features = LIRC_CAN_REC_MODE2;
	264	if (ir_dev->props->tx_ir) {
e589333f	265
ca414698 JW	266	features \|= LIRC_CAN_SEND_PULSE;
	267	if (ir_dev->props->s_tx_mask)
	268	features \|= LIRC_CAN_SET_TRANSMITTER_MASK;
	269	if (ir_dev->props->s_tx_carrier)
	270	features \|= LIRC_CAN_SET_SEND_CARRIER;
e589333f ML	271
e589333f ML	272	if (ir_dev->props->s_tx_duty_cycle)
67332ba8	273	features \|= LIRC_CAN_SET_SEND_DUTY_CYCLE;
ca414698 JW	274	}
ca414698 JW	275
e589333f ML	276	if (ir_dev->props->s_rx_carrier_range)
	277	features \|= LIRC_CAN_SET_REC_CARRIER \|
	278	LIRC_CAN_SET_REC_CARRIER_RANGE;
	279
	280	if (ir_dev->props->s_learning_mode)
	281	features \|= LIRC_CAN_USE_WIDEBAND_RECEIVER;
	282
	283	if (ir_dev->props->max_timeout)
	284	features \|= LIRC_CAN_SET_REC_TIMEOUT;
	285
	286
ca414698 JW	287	snprintf(drv->name, sizeof(drv->name), "ir-lirc-codec (%s)",
	288	ir_dev->driver_name);
	289	drv->minor = -1;
	290	drv->features = features;
	291	drv->data = &ir_dev->raw->lirc;
	292	drv->rbuf = rbuf;
	293	drv->set_use_inc = &ir_lirc_open;
	294	drv->set_use_dec = &ir_lirc_close;
	295	drv->code_length = sizeof(struct ir_raw_event) * 8;
	296	drv->fops = &lirc_fops;
	297	drv->dev = &ir_dev->dev;
	298	drv->owner = THIS_MODULE;
	299
	300	drv->minor = lirc_register_driver(drv);
	301	if (drv->minor < 0) {
	302	rc = -ENODEV;
	303	goto lirc_register_failed;
	304	}
	305
	306	ir_dev->raw->lirc.drv = drv;
	307	ir_dev->raw->lirc.ir_dev = ir_dev;
ca414698 JW	308	return 0;
	309
	310	lirc_register_failed:
	311	rbuf_init_failed:
	312	kfree(rbuf);
	313	rbuf_alloc_failed:
	314	kfree(drv);
	315
	316	return rc;
	317	}
	318
	319	static int ir_lirc_unregister(struct input_dev *input_dev)
	320	{
	321	struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
	322	struct lirc_codec *lirc = &ir_dev->raw->lirc;
	323
	324	lirc_unregister_driver(lirc->drv->minor);
	325	lirc_buffer_free(lirc->drv->rbuf);
	326	kfree(lirc->drv);
	327
	328	return 0;
	329	}
	330
	331	static struct ir_raw_handler lirc_handler = {
	332	.protocols = IR_TYPE_LIRC,
	333	.decode = ir_lirc_decode,
	334	.raw_register = ir_lirc_register,
	335	.raw_unregister = ir_lirc_unregister,
	336	};
	337
	338	static int __init ir_lirc_codec_init(void)
	339	{
	340	ir_raw_handler_register(&lirc_handler);
	341
	342	printk(KERN_INFO "IR LIRC bridge handler initialized\n");
	343	return 0;
	344	}
	345
	346	static void __exit ir_lirc_codec_exit(void)
	347	{
	348	ir_raw_handler_unregister(&lirc_handler);
	349	}
	350
	351	module_init(ir_lirc_codec_init);
	352	module_exit(ir_lirc_codec_exit);
	353
	354	MODULE_LICENSE("GPL");
	355	MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>");
	356	MODULE_AUTHOR("Red Hat Inc. (http://www.redhat.com)");
	357	MODULE_DESCRIPTION("LIRC IR handler bridge");