[deliverable/linux.git] / sound / soc / davinci / davinci-evm.c

/*
 * ASoC driver for TI DAVINCI EVM platform
 *
 * Author:      Vladimir Barinov, <vbarinov@embeddedalley.com>
 * Copyright:   (C) 2007 MontaVista Software, Inc., <source@mvista.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>

#include <asm/dma.h>
#include <asm/mach-types.h>

#include <mach/asp.h>
#include <mach/edma.h>
#include <mach/mux.h>

#include "../codecs/tlv320aic3x.h"
#include "../codecs/spdif_transciever.h"
#include "davinci-pcm.h"
#include "davinci-i2s.h"
#include "davinci-mcasp.h"

#define AUDIO_FORMAT (SND_SOC_DAIFMT_DSP_B | \
		SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_IB_NF)
static int evm_hw_params(struct snd_pcm_substream *substream,
			 struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
	int ret = 0;
	unsigned sysclk;

	/* ASP1 on DM355 EVM is clocked by an external oscillator */
	if (machine_is_davinci_dm355_evm() || machine_is_davinci_dm6467_evm())
		sysclk = 27000000;

	/* ASP0 in DM6446 EVM is clocked by U55, as configured by
	 * board-dm644x-evm.c using GPIOs from U18.  There are six
	 * options; here we "know" we use a 48 KHz sample rate.
	 */
	else if (machine_is_davinci_evm())
		sysclk = 12288000;

	else if (machine_is_davinci_da830_evm() ||
				machine_is_davinci_da850_evm())
		sysclk = 24576000;

	else
		return -EINVAL;

	/* set codec DAI configuration */
	ret = snd_soc_dai_set_fmt(codec_dai, AUDIO_FORMAT);
	if (ret < 0)
		return ret;

	/* set cpu DAI configuration */
	ret = snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT);
	if (ret < 0)
		return ret;

	/* set the codec system clock */
	ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk, SND_SOC_CLOCK_OUT);
	if (ret < 0)
		return ret;

	return 0;
}

static struct snd_soc_ops evm_ops = {
	.hw_params = evm_hw_params,
};

/* davinci-evm machine dapm widgets */
static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_LINE("Line Out", NULL),
	SND_SOC_DAPM_MIC("Mic Jack", NULL),
	SND_SOC_DAPM_LINE("Line In", NULL),
};

/* davinci-evm machine audio_mapnections to the codec pins */
static const struct snd_soc_dapm_route audio_map[] = {
	/* Headphone connected to HPLOUT, HPROUT */
	{"Headphone Jack", NULL, "HPLOUT"},
	{"Headphone Jack", NULL, "HPROUT"},

	/* Line Out connected to LLOUT, RLOUT */
	{"Line Out", NULL, "LLOUT"},
	{"Line Out", NULL, "RLOUT"},

	/* Mic connected to (MIC3L | MIC3R) */
	{"MIC3L", NULL, "Mic Bias 2V"},
	{"MIC3R", NULL, "Mic Bias 2V"},
	{"Mic Bias 2V", NULL, "Mic Jack"},

	/* Line In connected to (LINE1L | LINE2L), (LINE1R | LINE2R) */
	{"LINE1L", NULL, "Line In"},
	{"LINE2L", NULL, "Line In"},
	{"LINE1R", NULL, "Line In"},
	{"LINE2R", NULL, "Line In"},
};

/* Logic for a aic3x as connected on a davinci-evm */
static int evm_aic3x_init(struct snd_soc_codec *codec)
{
	/* Add davinci-evm specific widgets */
	snd_soc_dapm_new_controls(codec, aic3x_dapm_widgets,
				  ARRAY_SIZE(aic3x_dapm_widgets));

	/* Set up davinci-evm specific audio path audio_map */
	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));

	/* not connected */
	snd_soc_dapm_disable_pin(codec, "MONO_LOUT");
	snd_soc_dapm_disable_pin(codec, "HPLCOM");
	snd_soc_dapm_disable_pin(codec, "HPRCOM");

	/* always connected */
	snd_soc_dapm_enable_pin(codec, "Headphone Jack");
	snd_soc_dapm_enable_pin(codec, "Line Out");
	snd_soc_dapm_enable_pin(codec, "Mic Jack");
	snd_soc_dapm_enable_pin(codec, "Line In");

	snd_soc_dapm_sync(codec);

	return 0;
}

/* davinci-evm digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link evm_dai = {
	.name = "TLV320AIC3X",
	.stream_name = "AIC3X",
	.cpu_dai = &davinci_i2s_dai,
	.codec_dai = &aic3x_dai,
	.init = evm_aic3x_init,
	.ops = &evm_ops,
};

static struct snd_soc_dai_link dm6467_evm_dai[] = {
	{
		.name = "TLV320AIC3X",
		.stream_name = "AIC3X",
		.cpu_dai = &davinci_mcasp_dai[DAVINCI_MCASP_I2S_DAI],
		.codec_dai = &aic3x_dai,
		.init = evm_aic3x_init,
		.ops = &evm_ops,
	},
	{
		.name = "McASP",
		.stream_name = "spdif",
		.cpu_dai = &davinci_mcasp_dai[DAVINCI_MCASP_DIT_DAI],
		.codec_dai = &dit_stub_dai,
		.ops = &evm_ops,
	},
};
static struct snd_soc_dai_link da8xx_evm_dai = {
	.name = "TLV320AIC3X",
	.stream_name = "AIC3X",
	.cpu_dai = &davinci_mcasp_dai[DAVINCI_MCASP_I2S_DAI],
	.codec_dai = &aic3x_dai,
	.init = evm_aic3x_init,
	.ops = &evm_ops,
};

/* davinci-evm audio machine driver */
static struct snd_soc_card snd_soc_card_evm = {
	.name = "DaVinci EVM",
	.platform = &davinci_soc_platform,
	.dai_link = &evm_dai,
	.num_links = 1,
};

/* davinci dm6467 evm audio machine driver */
static struct snd_soc_card dm6467_snd_soc_card_evm = {
	.name = "DaVinci DM6467 EVM",
	.platform = &davinci_soc_platform,
	.dai_link = dm6467_evm_dai,
	.num_links = ARRAY_SIZE(dm6467_evm_dai),
};

static struct snd_soc_card da830_snd_soc_card = {
	.name = "DA830/OMAP-L137 EVM",
	.dai_link = &da8xx_evm_dai,
	.platform = &davinci_soc_platform,
	.num_links = 1,
};

static struct snd_soc_card da850_snd_soc_card = {
	.name = "DA850/OMAP-L138 EVM",
	.dai_link = &da8xx_evm_dai,
	.platform = &davinci_soc_platform,
	.num_links = 1,
};

/* evm audio private data */
static struct aic3x_setup_data evm_aic3x_setup = {
};

/* dm6467 evm audio private data */
static struct aic3x_setup_data dm6467_evm_aic3x_setup = {
       .i2c_bus = 1,
       .i2c_address = 0x18,
};

static struct aic3x_setup_data da8xx_evm_aic3x_setup = {
	.i2c_bus = 1,
	.i2c_address = 0x18,
};

/* evm audio subsystem */
static struct snd_soc_device evm_snd_devdata = {
	.card = &snd_soc_card_evm,
	.codec_dev = &soc_codec_dev_aic3x,
	.codec_data = &evm_aic3x_setup,
};

/* evm audio subsystem */
static struct snd_soc_device dm6467_evm_snd_devdata = {
	.card = &dm6467_snd_soc_card_evm,
	.codec_dev = &soc_codec_dev_aic3x,
	.codec_data = &dm6467_evm_aic3x_setup,
};

/* evm audio subsystem */
static struct snd_soc_device da830_evm_snd_devdata = {
	.card = &da830_snd_soc_card,
	.codec_dev = &soc_codec_dev_aic3x,
	.codec_data = &da8xx_evm_aic3x_setup,
};

static struct snd_soc_device da850_evm_snd_devdata = {
	.card		= &da850_snd_soc_card,
	.codec_dev	= &soc_codec_dev_aic3x,
	.codec_data	= &da8xx_evm_aic3x_setup,
};

static struct platform_device *evm_snd_device;

static int __init evm_init(void)
{
	struct snd_soc_device *evm_snd_dev_data;
	int index;
	int ret;

	if (machine_is_davinci_evm()) {
		evm_snd_dev_data = &evm_snd_devdata;
		index = 0;
	} else if (machine_is_davinci_dm355_evm()) {
		evm_snd_dev_data = &evm_snd_devdata;
		index = 1;
	} else if (machine_is_davinci_dm6467_evm()) {
		evm_snd_dev_data = &dm6467_evm_snd_devdata;
		index = 0;
	} else if (machine_is_davinci_da830_evm()) {
		evm_snd_dev_data = &da830_evm_snd_devdata;
		index = 1;
	} else if (machine_is_davinci_da850_evm()) {
		evm_snd_dev_data = &da850_evm_snd_devdata;
		index = 0;
	} else
		return -EINVAL;

	evm_snd_device = platform_device_alloc("soc-audio", index);
	if (!evm_snd_device)
		return -ENOMEM;

	platform_set_drvdata(evm_snd_device, evm_snd_dev_data);
	evm_snd_dev_data->dev = &evm_snd_device->dev;
	ret = platform_device_add(evm_snd_device);
	if (ret)
		platform_device_put(evm_snd_device);

	return ret;
}

static void __exit evm_exit(void)
{
	platform_device_unregister(evm_snd_device);
}

module_init(evm_init);
module_exit(evm_exit);

MODULE_AUTHOR("Vladimir Barinov");
MODULE_DESCRIPTION("TI DAVINCI EVM ASoC driver");
MODULE_LICENSE("GPL");
Commit	Line	Data
310355c1 VB	1	/*
	2	* ASoC driver for TI DAVINCI EVM platform
	3	*
d6b52039	4	* Author: Vladimir Barinov, <vbarinov@embeddedalley.com>
310355c1 VB	5	* Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com>
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License version 2 as
	9	* published by the Free Software Foundation.
	10	*/
	11
	12	#include <linux/module.h>
	13	#include <linux/moduleparam.h>
	14	#include <linux/timer.h>
	15	#include <linux/interrupt.h>
	16	#include <linux/platform_device.h>
	17	#include <sound/core.h>
	18	#include <sound/pcm.h>
	19	#include <sound/soc.h>
	20	#include <sound/soc-dapm.h>
	21
310355c1	22	#include <asm/dma.h>
f492ec9f DB	23	#include <asm/mach-types.h>
	24
	25	#include <mach/asp.h>
	26	#include <mach/edma.h>
	27	#include <mach/mux.h>
310355c1 VB	28
310355c1 VB	29	#include "../codecs/tlv320aic3x.h"
04f80f5c	30	#include "../codecs/spdif_transciever.h"
310355c1 VB	31	#include "davinci-pcm.h"
310355c1 VB	32	#include "davinci-i2s.h"
04f80f5c	33	#include "davinci-mcasp.h"
310355c1	34
d6f83396 TK	35	#define AUDIO_FORMAT (SND_SOC_DAIFMT_DSP_B \| \
d6f83396 TK	36	SND_SOC_DAIFMT_CBM_CFM \| SND_SOC_DAIFMT_IB_NF)
310355c1 VB	37	static int evm_hw_params(struct snd_pcm_substream *substream,
	38	struct snd_pcm_hw_params *params)
	39	{
	40	struct snd_soc_pcm_runtime *rtd = substream->private_data;
9cb132d7 LG	41	struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
9cb132d7 LG	42	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
310355c1	43	int ret = 0;
05d5e991 DB	44	unsigned sysclk;
	45
	46	/* ASP1 on DM355 EVM is clocked by an external oscillator */
04f80f5c	47	if (machine_is_davinci_dm355_evm() \|\| machine_is_davinci_dm6467_evm())
05d5e991 DB	48	sysclk = 27000000;
	49
	50	/* ASP0 in DM6446 EVM is clocked by U55, as configured by
	51	* board-dm644x-evm.c using GPIOs from U18. There are six
	52	* options; here we "know" we use a 48 KHz sample rate.
	53	*/
	54	else if (machine_is_davinci_evm())
	55	sysclk = 12288000;
	56
30230f4c C	57	else if (machine_is_davinci_da830_evm() \|\|
30230f4c C	58	machine_is_davinci_da850_evm())
7ae5945f C	59	sysclk = 24576000;
7ae5945f C	60
05d5e991 DB	61	else
05d5e991 DB	62	return -EINVAL;
310355c1 VB	63
310355c1 VB	64	/* set codec DAI configuration */
9e031624	65	ret = snd_soc_dai_set_fmt(codec_dai, AUDIO_FORMAT);
310355c1 VB	66	if (ret < 0)
	67	return ret;
	68
	69	/* set cpu DAI configuration */
9e031624	70	ret = snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT);
310355c1 VB	71	if (ret < 0)
	72	return ret;
	73
	74	/* set the codec system clock */
05d5e991	75	ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk, SND_SOC_CLOCK_OUT);
310355c1 VB	76	if (ret < 0)
	77	return ret;
	78
	79	return 0;
	80	}
	81
	82	static struct snd_soc_ops evm_ops = {
	83	.hw_params = evm_hw_params,
	84	};
	85
	86	/* davinci-evm machine dapm widgets */
	87	static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = {
	88	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	89	SND_SOC_DAPM_LINE("Line Out", NULL),
	90	SND_SOC_DAPM_MIC("Mic Jack", NULL),
	91	SND_SOC_DAPM_LINE("Line In", NULL),
	92	};
	93
	94	/* davinci-evm machine audio_mapnections to the codec pins */
acf497f9	95	static const struct snd_soc_dapm_route audio_map[] = {
310355c1 VB	96	/* Headphone connected to HPLOUT, HPROUT */
	97	{"Headphone Jack", NULL, "HPLOUT"},
	98	{"Headphone Jack", NULL, "HPROUT"},
	99
	100	/* Line Out connected to LLOUT, RLOUT */
	101	{"Line Out", NULL, "LLOUT"},
	102	{"Line Out", NULL, "RLOUT"},
	103
	104	/* Mic connected to (MIC3L \| MIC3R) */
	105	{"MIC3L", NULL, "Mic Bias 2V"},
	106	{"MIC3R", NULL, "Mic Bias 2V"},
	107	{"Mic Bias 2V", NULL, "Mic Jack"},
	108
	109	/* Line In connected to (LINE1L \| LINE2L), (LINE1R \| LINE2R) */
	110	{"LINE1L", NULL, "Line In"},
	111	{"LINE2L", NULL, "Line In"},
	112	{"LINE1R", NULL, "Line In"},
	113	{"LINE2R", NULL, "Line In"},
310355c1 VB	114	};
	115
	116	/* Logic for a aic3x as connected on a davinci-evm */
	117	static int evm_aic3x_init(struct snd_soc_codec *codec)
	118	{
310355c1	119	/* Add davinci-evm specific widgets */
acf497f9 MB	120	snd_soc_dapm_new_controls(codec, aic3x_dapm_widgets,
acf497f9 MB	121	ARRAY_SIZE(aic3x_dapm_widgets));
310355c1 VB	122
310355c1 VB	123	/* Set up davinci-evm specific audio path audio_map */
acf497f9	124	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
310355c1 VB	125
310355c1 VB	126	/* not connected */
a5302181 LG	127	snd_soc_dapm_disable_pin(codec, "MONO_LOUT");
	128	snd_soc_dapm_disable_pin(codec, "HPLCOM");
	129	snd_soc_dapm_disable_pin(codec, "HPRCOM");
310355c1 VB	130
310355c1 VB	131	/* always connected */
a5302181 LG	132	snd_soc_dapm_enable_pin(codec, "Headphone Jack");
	133	snd_soc_dapm_enable_pin(codec, "Line Out");
	134	snd_soc_dapm_enable_pin(codec, "Mic Jack");
	135	snd_soc_dapm_enable_pin(codec, "Line In");
310355c1	136
a5302181	137	snd_soc_dapm_sync(codec);
310355c1 VB	138
	139	return 0;
	140	}
	141
	142	/* davinci-evm digital audio interface glue - connects codec <--> CPU */
	143	static struct snd_soc_dai_link evm_dai = {
	144	.name = "TLV320AIC3X",
	145	.stream_name = "AIC3X",
	146	.cpu_dai = &davinci_i2s_dai,
	147	.codec_dai = &aic3x_dai,
	148	.init = evm_aic3x_init,
	149	.ops = &evm_ops,
	150	};
	151
04f80f5c C	152	static struct snd_soc_dai_link dm6467_evm_dai[] = {
	153	{
	154	.name = "TLV320AIC3X",
	155	.stream_name = "AIC3X",
	156	.cpu_dai = &davinci_mcasp_dai[DAVINCI_MCASP_I2S_DAI],
	157	.codec_dai = &aic3x_dai,
	158	.init = evm_aic3x_init,
	159	.ops = &evm_ops,
	160	},
	161	{
	162	.name = "McASP",
	163	.stream_name = "spdif",
	164	.cpu_dai = &davinci_mcasp_dai[DAVINCI_MCASP_DIT_DAI],
	165	.codec_dai = &dit_stub_dai,
	166	.ops = &evm_ops,
	167	},
	168	};
30230f4c	169	static struct snd_soc_dai_link da8xx_evm_dai = {
7ae5945f C	170	.name = "TLV320AIC3X",
	171	.stream_name = "AIC3X",
	172	.cpu_dai = &davinci_mcasp_dai[DAVINCI_MCASP_I2S_DAI],
	173	.codec_dai = &aic3x_dai,
	174	.init = evm_aic3x_init,
	175	.ops = &evm_ops,
	176	};
04f80f5c	177
310355c1	178	/* davinci-evm audio machine driver */
87506549	179	static struct snd_soc_card snd_soc_card_evm = {
310355c1	180	.name = "DaVinci EVM",
87689d56	181	.platform = &davinci_soc_platform,
310355c1 VB	182	.dai_link = &evm_dai,
	183	.num_links = 1,
	184	};
	185
04f80f5c C	186	/* davinci dm6467 evm audio machine driver */
	187	static struct snd_soc_card dm6467_snd_soc_card_evm = {
	188	.name = "DaVinci DM6467 EVM",
	189	.platform = &davinci_soc_platform,
	190	.dai_link = dm6467_evm_dai,
	191	.num_links = ARRAY_SIZE(dm6467_evm_dai),
	192	};
	193
7ae5945f	194	static struct snd_soc_card da830_snd_soc_card = {
30230f4c C	195	.name = "DA830/OMAP-L137 EVM",
	196	.dai_link = &da8xx_evm_dai,
	197	.platform = &davinci_soc_platform,
	198	.num_links = 1,
	199	};
	200
	201	static struct snd_soc_card da850_snd_soc_card = {
	202	.name = "DA850/OMAP-L138 EVM",
	203	.dai_link = &da8xx_evm_dai,
7ae5945f C	204	.platform = &davinci_soc_platform,
	205	.num_links = 1,
	206	};
	207
310355c1 VB	208	/* evm audio private data */
310355c1 VB	209	static struct aic3x_setup_data evm_aic3x_setup = {
310355c1 VB	210	};
310355c1 VB	211
04f80f5c C	212	/* dm6467 evm audio private data */
	213	static struct aic3x_setup_data dm6467_evm_aic3x_setup = {
	214	.i2c_bus = 1,
	215	.i2c_address = 0x18,
	216	};
	217
30230f4c	218	static struct aic3x_setup_data da8xx_evm_aic3x_setup = {
7ae5945f C	219	.i2c_bus = 1,
	220	.i2c_address = 0x18,
	221	};
	222
310355c1 VB	223	/* evm audio subsystem */
310355c1 VB	224	static struct snd_soc_device evm_snd_devdata = {
87506549	225	.card = &snd_soc_card_evm,
310355c1 VB	226	.codec_dev = &soc_codec_dev_aic3x,
	227	.codec_data = &evm_aic3x_setup,
	228	};
	229
04f80f5c C	230	/* evm audio subsystem */
	231	static struct snd_soc_device dm6467_evm_snd_devdata = {
	232	.card = &dm6467_snd_soc_card_evm,
	233	.codec_dev = &soc_codec_dev_aic3x,
	234	.codec_data = &dm6467_evm_aic3x_setup,
310355c1 VB	235	};
310355c1 VB	236
7ae5945f C	237	/* evm audio subsystem */
	238	static struct snd_soc_device da830_evm_snd_devdata = {
	239	.card = &da830_snd_soc_card,
	240	.codec_dev = &soc_codec_dev_aic3x,
30230f4c C	241	.codec_data = &da8xx_evm_aic3x_setup,
	242	};
	243
	244	static struct snd_soc_device da850_evm_snd_devdata = {
	245	.card = &da850_snd_soc_card,
	246	.codec_dev = &soc_codec_dev_aic3x,
	247	.codec_data = &da8xx_evm_aic3x_setup,
7ae5945f C	248	};
7ae5945f C	249
310355c1 VB	250	static struct platform_device *evm_snd_device;
	251
	252	static int __init evm_init(void)
	253	{
04f80f5c	254	struct snd_soc_device *evm_snd_dev_data;
f492ec9f	255	int index;
310355c1 VB	256	int ret;
310355c1 VB	257
f492ec9f	258	if (machine_is_davinci_evm()) {
04f80f5c	259	evm_snd_dev_data = &evm_snd_devdata;
f492ec9f DB	260	index = 0;
f492ec9f DB	261	} else if (machine_is_davinci_dm355_evm()) {
04f80f5c	262	evm_snd_dev_data = &evm_snd_devdata;
f492ec9f	263	index = 1;
04f80f5c C	264	} else if (machine_is_davinci_dm6467_evm()) {
	265	evm_snd_dev_data = &dm6467_evm_snd_devdata;
	266	index = 0;
7ae5945f C	267	} else if (machine_is_davinci_da830_evm()) {
	268	evm_snd_dev_data = &da830_evm_snd_devdata;
	269	index = 1;
30230f4c C	270	} else if (machine_is_davinci_da850_evm()) {
	271	evm_snd_dev_data = &da850_evm_snd_devdata;
	272	index = 0;
f492ec9f DB	273	} else
	274	return -EINVAL;
	275
	276	evm_snd_device = platform_device_alloc("soc-audio", index);
310355c1 VB	277	if (!evm_snd_device)
	278	return -ENOMEM;
	279
04f80f5c C	280	platform_set_drvdata(evm_snd_device, evm_snd_dev_data);
04f80f5c C	281	evm_snd_dev_data->dev = &evm_snd_device->dev;
310355c1 VB	282	ret = platform_device_add(evm_snd_device);
	283	if (ret)
	284	platform_device_put(evm_snd_device);
	285
	286	return ret;
	287	}
	288
	289	static void __exit evm_exit(void)
	290	{
	291	platform_device_unregister(evm_snd_device);
	292	}
	293
	294	module_init(evm_init);
	295	module_exit(evm_exit);
	296
	297	MODULE_AUTHOR("Vladimir Barinov");
	298	MODULE_DESCRIPTION("TI DAVINCI EVM ASoC driver");
	299	MODULE_LICENSE("GPL");