[deliverable/linux.git] / sound / soc / omap / rx51.c

/*
 * rx51.c  --  SoC audio for Nokia RX-51
 *
 * Copyright (C) 2008 - 2009 Nokia Corporation
 *
 * Contact: Peter Ujfalusi <peter.ujfalusi@nokia.com>
 *          Eduardo Valentin <eduardo.valentin@nokia.com>
 *          Jarkko Nikula <jhnikula@gmail.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.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <plat/mcbsp.h>

#include <asm/mach-types.h>

#include "omap-mcbsp.h"
#include "omap-pcm.h"
#include "../codecs/tlv320aic3x.h"

#define RX51_TVOUT_SEL_GPIO		40
#define RX51_JACK_DETECT_GPIO		177
/*
 * REVISIT: TWL4030 GPIO base in RX-51. Now statically defined to 192. This
 * gpio is reserved in arch/arm/mach-omap2/board-rx51-peripherals.c
 */
#define RX51_SPEAKER_AMP_TWL_GPIO	(192 + 7)

enum {
	RX51_JACK_DISABLED,
	RX51_JACK_TVOUT,		/* tv-out */
};

static int rx51_spk_func;
static int rx51_dmic_func;
static int rx51_jack_func;

static void rx51_ext_control(struct snd_soc_codec *codec)
{
	if (rx51_spk_func)
		snd_soc_dapm_enable_pin(codec, "Ext Spk");
	else
		snd_soc_dapm_disable_pin(codec, "Ext Spk");
	if (rx51_dmic_func)
		snd_soc_dapm_enable_pin(codec, "DMic");
	else
		snd_soc_dapm_disable_pin(codec, "DMic");

	gpio_set_value(RX51_TVOUT_SEL_GPIO,
		       rx51_jack_func == RX51_JACK_TVOUT);

	snd_soc_dapm_sync(codec);
}

static int rx51_startup(struct snd_pcm_substream *substream)
{
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_codec *codec = rtd->codec;

	snd_pcm_hw_constraint_minmax(runtime,
				     SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);
	rx51_ext_control(codec);

	return 0;
}

static int rx51_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->codec_dai;
	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	int err;

	/* Set codec DAI configuration */
	err = snd_soc_dai_set_fmt(codec_dai,
				  SND_SOC_DAIFMT_DSP_A |
				  SND_SOC_DAIFMT_IB_NF |
				  SND_SOC_DAIFMT_CBM_CFM);
	if (err < 0)
		return err;

	/* Set cpu DAI configuration */
	err = snd_soc_dai_set_fmt(cpu_dai,
				  SND_SOC_DAIFMT_DSP_A |
				  SND_SOC_DAIFMT_IB_NF |
				  SND_SOC_DAIFMT_CBM_CFM);
	if (err < 0)
		return err;

	/* Set the codec system clock for DAC and ADC */
	return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
				      SND_SOC_CLOCK_IN);
}

static struct snd_soc_ops rx51_ops = {
	.startup = rx51_startup,
	.hw_params = rx51_hw_params,
};

static int rx51_get_spk(struct snd_kcontrol *kcontrol,
			struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = rx51_spk_func;

	return 0;
}

static int rx51_set_spk(struct snd_kcontrol *kcontrol,
			struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);

	if (rx51_spk_func == ucontrol->value.integer.value[0])
		return 0;

	rx51_spk_func = ucontrol->value.integer.value[0];
	rx51_ext_control(codec);

	return 1;
}

static int rx51_spk_event(struct snd_soc_dapm_widget *w,
			  struct snd_kcontrol *k, int event)
{
	if (SND_SOC_DAPM_EVENT_ON(event))
		gpio_set_value(RX51_SPEAKER_AMP_TWL_GPIO, 1);
	else
		gpio_set_value(RX51_SPEAKER_AMP_TWL_GPIO, 0);

	return 0;
}

static int rx51_get_input(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = rx51_dmic_func;

	return 0;
}

static int rx51_set_input(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);

	if (rx51_dmic_func == ucontrol->value.integer.value[0])
		return 0;

	rx51_dmic_func = ucontrol->value.integer.value[0];
	rx51_ext_control(codec);

	return 1;
}

static int rx51_get_jack(struct snd_kcontrol *kcontrol,
			 struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = rx51_jack_func;

	return 0;
}

static int rx51_set_jack(struct snd_kcontrol *kcontrol,
			 struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);

	if (rx51_jack_func == ucontrol->value.integer.value[0])
		return 0;

	rx51_jack_func = ucontrol->value.integer.value[0];
	rx51_ext_control(codec);

	return 1;
}

static struct snd_soc_jack rx51_av_jack;

static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
	{
		.gpio = RX51_JACK_DETECT_GPIO,
		.name = "avdet-gpio",
		.report = SND_JACK_VIDEOOUT,
		.invert = 1,
		.debounce_time = 200,
	},
};

static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
	SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
	SND_SOC_DAPM_MIC("DMic", NULL),
};

static const struct snd_soc_dapm_route audio_map[] = {
	{"Ext Spk", NULL, "HPLOUT"},
	{"Ext Spk", NULL, "HPROUT"},

	{"DMic Rate 64", NULL, "Mic Bias 2V"},
	{"Mic Bias 2V", NULL, "DMic"},
};

static const char *spk_function[] = {"Off", "On"};
static const char *input_function[] = {"ADC", "Digital Mic"};
static const char *jack_function[] = {"Off", "TV-OUT"};

static const struct soc_enum rx51_enum[] = {
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
};

static const struct snd_kcontrol_new aic34_rx51_controls[] = {
	SOC_ENUM_EXT("Speaker Function", rx51_enum[0],
		     rx51_get_spk, rx51_set_spk),
	SOC_ENUM_EXT("Input Select",  rx51_enum[1],
		     rx51_get_input, rx51_set_input),
	SOC_ENUM_EXT("Jack Function", rx51_enum[2],
		     rx51_get_jack, rx51_set_jack),
};

static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	int err;

	/* Set up NC codec pins */
	snd_soc_dapm_nc_pin(codec, "MIC3L");
	snd_soc_dapm_nc_pin(codec, "MIC3R");
	snd_soc_dapm_nc_pin(codec, "LINE1R");

	/* Add RX-51 specific controls */
	err = snd_soc_add_controls(codec, aic34_rx51_controls,
				   ARRAY_SIZE(aic34_rx51_controls));
	if (err < 0)
		return err;

	/* Add RX-51 specific widgets */
	snd_soc_dapm_new_controls(codec, aic34_dapm_widgets,
				  ARRAY_SIZE(aic34_dapm_widgets));

	/* Set up RX-51 specific audio path audio_map */
	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));

	snd_soc_dapm_sync(codec);

	/* AV jack detection */
	err = snd_soc_jack_new(codec, "AV Jack",
			       SND_JACK_VIDEOOUT, &rx51_av_jack);
	if (err)
		return err;
	err = snd_soc_jack_add_gpios(&rx51_av_jack,
				     ARRAY_SIZE(rx51_av_jack_gpios),
				     rx51_av_jack_gpios);

	return err;
}

/* Digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link rx51_dai[] = {
	{
		.name = "TLV320AIC34",
		.stream_name = "AIC34",
		.cpu_dai_name = "omap-mcbsp-dai.1",
		.codec_dai_name = "tlv320aic3x-hifi",
		.platform_name = "omap-pcm-audio",
		.codec_name = "tlv320aic3x-codec.2-0018",
		.init = rx51_aic34_init,
		.ops = &rx51_ops,
	},
};

/* Audio card */
static struct snd_soc_card rx51_sound_card = {
	.name = "RX-51",
	.dai_link = rx51_dai,
	.num_links = ARRAY_SIZE(rx51_dai),
};

static struct platform_device *rx51_snd_device;

static int __init rx51_soc_init(void)
{
	int err;

	if (!machine_is_nokia_rx51())
		return -ENODEV;

	err = gpio_request(RX51_TVOUT_SEL_GPIO, "tvout_sel");
	if (err)
		goto err_gpio_tvout_sel;
	gpio_direction_output(RX51_TVOUT_SEL_GPIO, 0);

	rx51_snd_device = platform_device_alloc("soc-audio", -1);
	if (!rx51_snd_device) {
		err = -ENOMEM;
		goto err1;
	}

	platform_set_drvdata(rx51_snd_device, &rx51_sound_card);

	err = platform_device_add(rx51_snd_device);
	if (err)
		goto err2;

	return 0;
err2:
	platform_device_put(rx51_snd_device);
err1:
	gpio_free(RX51_TVOUT_SEL_GPIO);
err_gpio_tvout_sel:

	return err;
}

static void __exit rx51_soc_exit(void)
{
	snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios),
				rx51_av_jack_gpios);

	platform_device_unregister(rx51_snd_device);
	gpio_free(RX51_TVOUT_SEL_GPIO);
}

module_init(rx51_soc_init);
module_exit(rx51_soc_exit);

MODULE_AUTHOR("Nokia Corporation");
MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
MODULE_LICENSE("GPL");
Commit	Line	Data
49100c98 JN	1	/*
	2	* rx51.c -- SoC audio for Nokia RX-51
	3	*
	4	* Copyright (C) 2008 - 2009 Nokia Corporation
	5	*
	6	* Contact: Peter Ujfalusi <peter.ujfalusi@nokia.com>
	7	* Eduardo Valentin <eduardo.valentin@nokia.com>
	8	* Jarkko Nikula <jhnikula@gmail.com>
	9	*
	10	* This program is free software; you can redistribute it and/or
	11	* modify it under the terms of the GNU General Public License
	12	* version 2 as published by the Free Software Foundation.
	13	*
	14	* This program is distributed in the hope that it will be useful, but
	15	* WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	17	* General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	22	* 02110-1301 USA
	23	*
	24	*/
	25
	26	#include <linux/delay.h>
	27	#include <linux/gpio.h>
	28	#include <linux/platform_device.h>
	29	#include <sound/core.h>
8c523115	30	#include <sound/jack.h>
49100c98 JN	31	#include <sound/pcm.h>
	32	#include <sound/soc.h>
	33	#include <sound/soc-dapm.h>
f0fba2ad	34	#include <plat/mcbsp.h>
49100c98 JN	35
	36	#include <asm/mach-types.h>
	37
	38	#include "omap-mcbsp.h"
	39	#include "omap-pcm.h"
	40	#include "../codecs/tlv320aic3x.h"
	41
4eb54703	42	#define RX51_TVOUT_SEL_GPIO 40
8c523115	43	#define RX51_JACK_DETECT_GPIO 177
49100c98 JN	44	/*
	45	* REVISIT: TWL4030 GPIO base in RX-51. Now statically defined to 192. This
	46	* gpio is reserved in arch/arm/mach-omap2/board-rx51-peripherals.c
	47	*/
	48	#define RX51_SPEAKER_AMP_TWL_GPIO (192 + 7)
	49
4eb54703 JN	50	enum {
	51	RX51_JACK_DISABLED,
	52	RX51_JACK_TVOUT, /* tv-out */
	53	};
	54
49100c98 JN	55	static int rx51_spk_func;
49100c98 JN	56	static int rx51_dmic_func;
4eb54703	57	static int rx51_jack_func;
49100c98 JN	58
	59	static void rx51_ext_control(struct snd_soc_codec *codec)
	60	{
	61	if (rx51_spk_func)
	62	snd_soc_dapm_enable_pin(codec, "Ext Spk");
	63	else
	64	snd_soc_dapm_disable_pin(codec, "Ext Spk");
	65	if (rx51_dmic_func)
	66	snd_soc_dapm_enable_pin(codec, "DMic");
	67	else
	68	snd_soc_dapm_disable_pin(codec, "DMic");
	69
4eb54703 JN	70	gpio_set_value(RX51_TVOUT_SEL_GPIO,
	71	rx51_jack_func == RX51_JACK_TVOUT);
	72
49100c98 JN	73	snd_soc_dapm_sync(codec);
	74	}
	75
	76	static int rx51_startup(struct snd_pcm_substream *substream)
	77	{
	78	struct snd_pcm_runtime *runtime = substream->runtime;
	79	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	80	struct snd_soc_codec *codec = rtd->codec;
49100c98 JN	81
	82	snd_pcm_hw_constraint_minmax(runtime,
	83	SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);
	84	rx51_ext_control(codec);
	85
	86	return 0;
	87	}
	88
	89	static int rx51_hw_params(struct snd_pcm_substream *substream,
	90	struct snd_pcm_hw_params *params)
	91	{
	92	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad LG	93	struct snd_soc_dai *codec_dai = rtd->codec_dai;
f0fba2ad LG	94	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
49100c98 JN	95	int err;
	96
	97	/* Set codec DAI configuration */
	98	err = snd_soc_dai_set_fmt(codec_dai,
	99	SND_SOC_DAIFMT_DSP_A \|
	100	SND_SOC_DAIFMT_IB_NF \|
	101	SND_SOC_DAIFMT_CBM_CFM);
	102	if (err < 0)
	103	return err;
	104
	105	/* Set cpu DAI configuration */
	106	err = snd_soc_dai_set_fmt(cpu_dai,
	107	SND_SOC_DAIFMT_DSP_A \|
	108	SND_SOC_DAIFMT_IB_NF \|
	109	SND_SOC_DAIFMT_CBM_CFM);
	110	if (err < 0)
	111	return err;
	112
	113	/* Set the codec system clock for DAC and ADC */
	114	return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
	115	SND_SOC_CLOCK_IN);
	116	}
	117
	118	static struct snd_soc_ops rx51_ops = {
	119	.startup = rx51_startup,
	120	.hw_params = rx51_hw_params,
	121	};
	122
	123	static int rx51_get_spk(struct snd_kcontrol *kcontrol,
	124	struct snd_ctl_elem_value *ucontrol)
	125	{
	126	ucontrol->value.integer.value[0] = rx51_spk_func;
	127
	128	return 0;
	129	}
	130
	131	static int rx51_set_spk(struct snd_kcontrol *kcontrol,
	132	struct snd_ctl_elem_value *ucontrol)
	133	{
	134	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	135
	136	if (rx51_spk_func == ucontrol->value.integer.value[0])
	137	return 0;
	138
	139	rx51_spk_func = ucontrol->value.integer.value[0];
	140	rx51_ext_control(codec);
	141
	142	return 1;
	143	}
	144
	145	static int rx51_spk_event(struct snd_soc_dapm_widget *w,
	146	struct snd_kcontrol *k, int event)
	147	{
	148	if (SND_SOC_DAPM_EVENT_ON(event))
	149	gpio_set_value(RX51_SPEAKER_AMP_TWL_GPIO, 1);
	150	else
	151	gpio_set_value(RX51_SPEAKER_AMP_TWL_GPIO, 0);
	152
	153	return 0;
	154	}
	155
	156	static int rx51_get_input(struct snd_kcontrol *kcontrol,
	157	struct snd_ctl_elem_value *ucontrol)
	158	{
159	ucontrol->value.integer.value[0] = rx51_dmic_func;
160
161	return 0;
162	}
163
164	static int rx51_set_input(struct snd_kcontrol *kcontrol,
165	struct snd_ctl_elem_value *ucontrol)
166	{
167	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
168
169	if (rx51_dmic_func == ucontrol->value.integer.value[0])
170	return 0;
171
172	rx51_dmic_func = ucontrol->value.integer.value[0];
173	rx51_ext_control(codec);
174
175	return 1;
176	}
177
4eb54703 JN	178	static int rx51_get_jack(struct snd_kcontrol *kcontrol,
	179	struct snd_ctl_elem_value *ucontrol)
	180	{
	181	ucontrol->value.integer.value[0] = rx51_jack_func;
	182
	183	return 0;
	184	}
	185
	186	static int rx51_set_jack(struct snd_kcontrol *kcontrol,
	187	struct snd_ctl_elem_value *ucontrol)
	188	{
	189	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	190
	191	if (rx51_jack_func == ucontrol->value.integer.value[0])
	192	return 0;
	193
	194	rx51_jack_func = ucontrol->value.integer.value[0];
	195	rx51_ext_control(codec);
	196
	197	return 1;
	198	}
	199
8c523115 JN	200	static struct snd_soc_jack rx51_av_jack;
	201
	202	static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
	203	{
	204	.gpio = RX51_JACK_DETECT_GPIO,
	205	.name = "avdet-gpio",
	206	.report = SND_JACK_VIDEOOUT,
	207	.invert = 1,
	208	.debounce_time = 200,
	209	},
	210	};
	211
49100c98 JN	212	static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
	213	SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
	214	SND_SOC_DAPM_MIC("DMic", NULL),
	215	};
	216
	217	static const struct snd_soc_dapm_route audio_map[] = {
	218	{"Ext Spk", NULL, "HPLOUT"},
	219	{"Ext Spk", NULL, "HPROUT"},
	220
	221	{"DMic Rate 64", NULL, "Mic Bias 2V"},
	222	{"Mic Bias 2V", NULL, "DMic"},
	223	};
	224
	225	static const char *spk_function[] = {"Off", "On"};
	226	static const char *input_function[] = {"ADC", "Digital Mic"};
4eb54703	227	static const char *jack_function[] = {"Off", "TV-OUT"};
49100c98 JN	228
	229	static const struct soc_enum rx51_enum[] = {
	230	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
	231	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
4eb54703	232	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
49100c98 JN	233	};
	234
	235	static const struct snd_kcontrol_new aic34_rx51_controls[] = {
	236	SOC_ENUM_EXT("Speaker Function", rx51_enum[0],
	237	rx51_get_spk, rx51_set_spk),
	238	SOC_ENUM_EXT("Input Select", rx51_enum[1],
	239	rx51_get_input, rx51_set_input),
4eb54703 JN	240	SOC_ENUM_EXT("Jack Function", rx51_enum[2],
4eb54703 JN	241	rx51_get_jack, rx51_set_jack),
49100c98 JN	242	};
49100c98 JN	243
f0fba2ad	244	static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
49100c98	245	{
f0fba2ad	246	struct snd_soc_codec *codec = rtd->codec;
49100c98 JN	247	int err;
	248
	249	/* Set up NC codec pins */
	250	snd_soc_dapm_nc_pin(codec, "MIC3L");
	251	snd_soc_dapm_nc_pin(codec, "MIC3R");
	252	snd_soc_dapm_nc_pin(codec, "LINE1R");
	253
	254	/* Add RX-51 specific controls */
	255	err = snd_soc_add_controls(codec, aic34_rx51_controls,
	256	ARRAY_SIZE(aic34_rx51_controls));
	257	if (err < 0)
	258	return err;
	259
	260	/* Add RX-51 specific widgets */
	261	snd_soc_dapm_new_controls(codec, aic34_dapm_widgets,
	262	ARRAY_SIZE(aic34_dapm_widgets));
	263
	264	/* Set up RX-51 specific audio path audio_map */
	265	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
	266
	267	snd_soc_dapm_sync(codec);
	268
8c523115	269	/* AV jack detection */
f0fba2ad	270	err = snd_soc_jack_new(codec, "AV Jack",
8c523115 JN	271	SND_JACK_VIDEOOUT, &rx51_av_jack);
	272	if (err)
	273	return err;
	274	err = snd_soc_jack_add_gpios(&rx51_av_jack,
	275	ARRAY_SIZE(rx51_av_jack_gpios),
	276	rx51_av_jack_gpios);
	277
	278	return err;
49100c98 JN	279	}
	280
	281	/* Digital audio interface glue - connects codec <--> CPU */
	282	static struct snd_soc_dai_link rx51_dai[] = {
	283	{
	284	.name = "TLV320AIC34",
	285	.stream_name = "AIC34",
f0fba2ad LG	286	.cpu_dai_name = "omap-mcbsp-dai.1",
	287	.codec_dai_name = "tlv320aic3x-hifi",
	288	.platform_name = "omap-pcm-audio",
	289	.codec_name = "tlv320aic3x-codec.2-0018",
49100c98 JN	290	.init = rx51_aic34_init,
	291	.ops = &rx51_ops,
	292	},
	293	};
	294
49100c98 JN	295	/* Audio card */
	296	static struct snd_soc_card rx51_sound_card = {
	297	.name = "RX-51",
	298	.dai_link = rx51_dai,
	299	.num_links = ARRAY_SIZE(rx51_dai),
49100c98 JN	300	};
	301
	302	static struct platform_device *rx51_snd_device;
	303
	304	static int __init rx51_soc_init(void)
	305	{
	306	int err;
	307
	308	if (!machine_is_nokia_rx51())
	309	return -ENODEV;
	310
4eb54703 JN	311	err = gpio_request(RX51_TVOUT_SEL_GPIO, "tvout_sel");
	312	if (err)
	313	goto err_gpio_tvout_sel;
	314	gpio_direction_output(RX51_TVOUT_SEL_GPIO, 0);
	315
49100c98 JN	316	rx51_snd_device = platform_device_alloc("soc-audio", -1);
	317	if (!rx51_snd_device) {
	318	err = -ENOMEM;
	319	goto err1;
	320	}
	321
f0fba2ad	322	platform_set_drvdata(rx51_snd_device, &rx51_sound_card);
49100c98 JN	323
	324	err = platform_device_add(rx51_snd_device);
	325	if (err)
	326	goto err2;
	327
	328	return 0;
	329	err2:
	330	platform_device_put(rx51_snd_device);
	331	err1:
4eb54703 JN	332	gpio_free(RX51_TVOUT_SEL_GPIO);
4eb54703 JN	333	err_gpio_tvout_sel:
49100c98 JN	334
	335	return err;
	336	}
	337
	338	static void __exit rx51_soc_exit(void)
	339	{
8c523115 JN	340	snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios),
	341	rx51_av_jack_gpios);
	342
49100c98	343	platform_device_unregister(rx51_snd_device);
4eb54703	344	gpio_free(RX51_TVOUT_SEL_GPIO);
49100c98 JN	345	}
	346
	347	module_init(rx51_soc_init);
	348	module_exit(rx51_soc_exit);
	349
	350	MODULE_AUTHOR("Nokia Corporation");
	351	MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
	352	MODULE_LICENSE("GPL");