[deliverable/linux.git] / sound / soc / omap / n810.c

/*
 * n810.c  --  SoC audio for Nokia N810
 *
 * Copyright (C) 2008 Nokia Corporation
 *
 * Contact: Jarkko Nikula <jarkko.nikula@nokia.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/clk.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/mach-types.h>
#include <mach/hardware.h>
#include <linux/gpio.h>
#include <mach/mcbsp.h>

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

#define N810_HEADSET_AMP_GPIO	10
#define N810_SPEAKER_AMP_GPIO	101

static struct clk *sys_clkout2;
static struct clk *sys_clkout2_src;
static struct clk *func96m_clk;

static int n810_spk_func;
static int n810_jack_func;
static int n810_dmic_func;

static void n810_ext_control(struct snd_soc_codec *codec)
{
	if (n810_spk_func)
		snd_soc_dapm_enable_pin(codec, "Ext Spk");
	else
		snd_soc_dapm_disable_pin(codec, "Ext Spk");

	if (n810_jack_func)
		snd_soc_dapm_enable_pin(codec, "Headphone Jack");
	else
		snd_soc_dapm_disable_pin(codec, "Headphone Jack");

	if (n810_dmic_func)
		snd_soc_dapm_enable_pin(codec, "DMic");
	else
		snd_soc_dapm_disable_pin(codec, "DMic");

	snd_soc_dapm_sync(codec);
}

static int n810_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->socdev->codec;

	snd_pcm_hw_constraint_minmax(runtime,
				     SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);

	n810_ext_control(codec);
	return clk_enable(sys_clkout2);
}

static void n810_shutdown(struct snd_pcm_substream *substream)
{
	clk_disable(sys_clkout2);
}

static int n810_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 err;

	/* Set codec DAI configuration */
	err = snd_soc_dai_set_fmt(codec_dai,
					 SND_SOC_DAIFMT_I2S |
					 SND_SOC_DAIFMT_NB_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_I2S |
				       SND_SOC_DAIFMT_NB_NF |
				       SND_SOC_DAIFMT_CBM_CFM);
	if (err < 0)
		return err;

	/* Set the codec system clock for DAC and ADC */
	err = snd_soc_dai_set_sysclk(codec_dai, 0, 12000000,
					    SND_SOC_CLOCK_IN);

	return err;
}

static struct snd_soc_ops n810_ops = {
	.startup = n810_startup,
	.hw_params = n810_hw_params,
	.shutdown = n810_shutdown,
};

static int n810_get_spk(struct snd_kcontrol *kcontrol,
			struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = n810_spk_func;

	return 0;
}

static int n810_set_spk(struct snd_kcontrol *kcontrol,
			struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec =  snd_kcontrol_chip(kcontrol);

	if (n810_spk_func == ucontrol->value.integer.value[0])
		return 0;

	n810_spk_func = ucontrol->value.integer.value[0];
	n810_ext_control(codec);

	return 1;
}

static int n810_get_jack(struct snd_kcontrol *kcontrol,
			 struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = n810_jack_func;

	return 0;
}

static int n810_set_jack(struct snd_kcontrol *kcontrol,
			 struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec =  snd_kcontrol_chip(kcontrol);

	if (n810_jack_func == ucontrol->value.integer.value[0])
		return 0;

	n810_jack_func = ucontrol->value.integer.value[0];
	n810_ext_control(codec);

	return 1;
}

static int n810_get_input(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = n810_dmic_func;

	return 0;
}

static int n810_set_input(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec =  snd_kcontrol_chip(kcontrol);

	if (n810_dmic_func == ucontrol->value.integer.value[0])
		return 0;

	n810_dmic_func = ucontrol->value.integer.value[0];
	n810_ext_control(codec);

	return 1;
}

static int n810_spk_event(struct snd_soc_dapm_widget *w,
			  struct snd_kcontrol *k, int event)
{
	if (SND_SOC_DAPM_EVENT_ON(event))
		gpio_set_value(N810_SPEAKER_AMP_GPIO, 1);
	else
		gpio_set_value(N810_SPEAKER_AMP_GPIO, 0);

	return 0;
}

static int n810_jack_event(struct snd_soc_dapm_widget *w,
			   struct snd_kcontrol *k, int event)
{
	if (SND_SOC_DAPM_EVENT_ON(event))
		gpio_set_value(N810_HEADSET_AMP_GPIO, 1);
	else
		gpio_set_value(N810_HEADSET_AMP_GPIO, 0);

	return 0;
}

static const struct snd_soc_dapm_widget aic33_dapm_widgets[] = {
	SND_SOC_DAPM_SPK("Ext Spk", n810_spk_event),
	SND_SOC_DAPM_HP("Headphone Jack", n810_jack_event),
	SND_SOC_DAPM_MIC("DMic", NULL),
};

static const struct snd_soc_dapm_route audio_map[] = {
	{"Headphone Jack", NULL, "HPLOUT"},
	{"Headphone Jack", NULL, "HPROUT"},

	{"Ext Spk", NULL, "LLOUT"},
	{"Ext Spk", NULL, "RLOUT"},

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

static const char *spk_function[] = {"Off", "On"};
static const char *jack_function[] = {"Off", "Headphone"};
static const char *input_function[] = {"ADC", "Digital Mic"};
static const struct soc_enum n810_enum[] = {
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
};

static const struct snd_kcontrol_new aic33_n810_controls[] = {
	SOC_ENUM_EXT("Speaker Function", n810_enum[0],
		     n810_get_spk, n810_set_spk),
	SOC_ENUM_EXT("Jack Function", n810_enum[1],
		     n810_get_jack, n810_set_jack),
	SOC_ENUM_EXT("Input Select",  n810_enum[2],
		     n810_get_input, n810_set_input),
};

static int n810_aic33_init(struct snd_soc_codec *codec)
{
	int i, err;

	/* Not connected */
	snd_soc_dapm_nc_pin(codec, "MONO_LOUT");
	snd_soc_dapm_nc_pin(codec, "HPLCOM");
	snd_soc_dapm_nc_pin(codec, "HPRCOM");

	/* Add N810 specific controls */
	for (i = 0; i < ARRAY_SIZE(aic33_n810_controls); i++) {
		err = snd_ctl_add(codec->card,
			snd_soc_cnew(&aic33_n810_controls[i], codec, NULL));
		if (err < 0)
			return err;
	}

	/* Add N810 specific widgets */
	snd_soc_dapm_new_controls(codec, aic33_dapm_widgets,
				  ARRAY_SIZE(aic33_dapm_widgets));

	/* Set up N810 specific audio path audio_map */
	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));

	snd_soc_dapm_sync(codec);

	return 0;
}

/* Digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link n810_dai = {
	.name = "TLV320AIC33",
	.stream_name = "AIC33",
	.cpu_dai = &omap_mcbsp_dai[0],
	.codec_dai = &aic3x_dai,
	.init = n810_aic33_init,
	.ops = &n810_ops,
};

/* Audio machine driver */
static struct snd_soc_card snd_soc_n810 = {
	.name = "N810",
	.dai_link = &n810_dai,
	.num_links = 1,
};

/* Audio private data */
static struct aic3x_setup_data n810_aic33_setup = {
	.i2c_bus = 2,
	.i2c_address = 0x18,
	.gpio_func[0] = AIC3X_GPIO1_FUNC_DISABLED,
	.gpio_func[1] = AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT,
};

/* Audio subsystem */
static struct snd_soc_device n810_snd_devdata = {
	.card = &snd_soc_n810,
	.platform = &omap_soc_platform,
	.codec_dev = &soc_codec_dev_aic3x,
	.codec_data = &n810_aic33_setup,
};

static struct platform_device *n810_snd_device;

static int __init n810_soc_init(void)
{
	int err;
	struct device *dev;

	if (!(machine_is_nokia_n810() || machine_is_nokia_n810_wimax()))
		return -ENODEV;

	n810_snd_device = platform_device_alloc("soc-audio", -1);
	if (!n810_snd_device)
		return -ENOMEM;

	platform_set_drvdata(n810_snd_device, &n810_snd_devdata);
	n810_snd_devdata.dev = &n810_snd_device->dev;
	*(unsigned int *)n810_dai.cpu_dai->private_data = 1; /* McBSP2 */
	err = platform_device_add(n810_snd_device);
	if (err)
		goto err1;

	dev = &n810_snd_device->dev;

	sys_clkout2_src = clk_get(dev, "sys_clkout2_src");
	if (IS_ERR(sys_clkout2_src)) {
		dev_err(dev, "Could not get sys_clkout2_src clock\n");
		err = PTR_ERR(sys_clkout2_src);
		goto err2;
	}
	sys_clkout2 = clk_get(dev, "sys_clkout2");
	if (IS_ERR(sys_clkout2)) {
		dev_err(dev, "Could not get sys_clkout2\n");
		err = PTR_ERR(sys_clkout2);
		goto err3;
	}
	/*
	 * Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use
	 * 96 MHz as its parent in order to get 12 MHz
	 */
	func96m_clk = clk_get(dev, "func_96m_ck");
	if (IS_ERR(func96m_clk)) {
		dev_err(dev, "Could not get func 96M clock\n");
		err = PTR_ERR(func96m_clk);
		goto err4;
	}
	clk_set_parent(sys_clkout2_src, func96m_clk);
	clk_set_rate(sys_clkout2, 12000000);

	if (gpio_request(N810_HEADSET_AMP_GPIO, "hs_amp") < 0)
		BUG();
	if (gpio_request(N810_SPEAKER_AMP_GPIO, "spk_amp") < 0)
		BUG();
	gpio_direction_output(N810_HEADSET_AMP_GPIO, 0);
	gpio_direction_output(N810_SPEAKER_AMP_GPIO, 0);

	return 0;
err4:
	clk_put(sys_clkout2);
err3:
	clk_put(sys_clkout2_src);
err2:
	platform_device_del(n810_snd_device);
err1:
	platform_device_put(n810_snd_device);

	return err;
}

static void __exit n810_soc_exit(void)
{
	gpio_free(N810_SPEAKER_AMP_GPIO);
	gpio_free(N810_HEADSET_AMP_GPIO);
	clk_put(sys_clkout2_src);
	clk_put(sys_clkout2);
	clk_put(func96m_clk);

	platform_device_unregister(n810_snd_device);
}

module_init(n810_soc_init);
module_exit(n810_soc_exit);

MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@nokia.com>");
MODULE_DESCRIPTION("ALSA SoC Nokia N810");
MODULE_LICENSE("GPL");
Commit	Line	Data
2e74796a JN	1	/*
	2	* n810.c -- SoC audio for Nokia N810
	3	*
	4	* Copyright (C) 2008 Nokia Corporation
	5	*
	6	* Contact: Jarkko Nikula <jarkko.nikula@nokia.com>
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License
	10	* version 2 as published by the Free Software Foundation.
	11	*
	12	* This program is distributed in the hope that it will be useful, but
	13	* WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	20	* 02110-1301 USA
	21	*
	22	*/
	23
	24	#include <linux/clk.h>
	25	#include <linux/platform_device.h>
	26	#include <sound/core.h>
	27	#include <sound/pcm.h>
	28	#include <sound/soc.h>
	29	#include <sound/soc-dapm.h>
	30
	31	#include <asm/mach-types.h>
a09e64fb	32	#include <mach/hardware.h>
f99a633a	33	#include <linux/gpio.h>
a09e64fb	34	#include <mach/mcbsp.h>
2e74796a JN	35
	36	#include "omap-mcbsp.h"
	37	#include "omap-pcm.h"
	38	#include "../codecs/tlv320aic3x.h"
	39
f99a633a JN	40	#define N810_HEADSET_AMP_GPIO 10
f99a633a JN	41	#define N810_SPEAKER_AMP_GPIO 101
2e74796a JN	42
	43	static struct clk *sys_clkout2;
	44	static struct clk *sys_clkout2_src;
	45	static struct clk *func96m_clk;
	46
	47	static int n810_spk_func;
	48	static int n810_jack_func;
90b9e476	49	static int n810_dmic_func;
2e74796a JN	50
	51	static void n810_ext_control(struct snd_soc_codec *codec)
	52	{
a5302181 LG	53	if (n810_spk_func)
	54	snd_soc_dapm_enable_pin(codec, "Ext Spk");
	55	else
	56	snd_soc_dapm_disable_pin(codec, "Ext Spk");
	57
	58	if (n810_jack_func)
	59	snd_soc_dapm_enable_pin(codec, "Headphone Jack");
	60	else
	61	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	62
	63	if (n810_dmic_func)
	64	snd_soc_dapm_enable_pin(codec, "DMic");
	65	else
ac8615ba	66	snd_soc_dapm_disable_pin(codec, "DMic");
2e74796a	67
a5302181	68	snd_soc_dapm_sync(codec);
2e74796a JN	69	}
	70
	71	static int n810_startup(struct snd_pcm_substream *substream)
	72	{
0be43050	73	struct snd_pcm_runtime *runtime = substream->runtime;
2e74796a JN	74	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	75	struct snd_soc_codec *codec = rtd->socdev->codec;
	76
0be43050 JN	77	snd_pcm_hw_constraint_minmax(runtime,
	78	SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);
	79
2e74796a JN	80	n810_ext_control(codec);
	81	return clk_enable(sys_clkout2);
	82	}
	83
	84	static void n810_shutdown(struct snd_pcm_substream *substream)
	85	{
	86	clk_disable(sys_clkout2);
	87	}
	88
	89	static int n810_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;
8687eb8b LG	93	struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
8687eb8b LG	94	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
2e74796a JN	95	int err;
	96
	97	/* Set codec DAI configuration */
64105cfd	98	err = snd_soc_dai_set_fmt(codec_dai,
2e74796a JN	99	SND_SOC_DAIFMT_I2S \|
	100	SND_SOC_DAIFMT_NB_NF \|
	101	SND_SOC_DAIFMT_CBM_CFM);
	102	if (err < 0)
	103	return err;
	104
	105	/* Set cpu DAI configuration */
64105cfd	106	err = snd_soc_dai_set_fmt(cpu_dai,
2e74796a JN	107	SND_SOC_DAIFMT_I2S \|
	108	SND_SOC_DAIFMT_NB_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 */
64105cfd	114	err = snd_soc_dai_set_sysclk(codec_dai, 0, 12000000,
2e74796a JN	115	SND_SOC_CLOCK_IN);
	116
	117	return err;
	118	}
	119
	120	static struct snd_soc_ops n810_ops = {
	121	.startup = n810_startup,
	122	.hw_params = n810_hw_params,
	123	.shutdown = n810_shutdown,
	124	};
	125
	126	static int n810_get_spk(struct snd_kcontrol *kcontrol,
	127	struct snd_ctl_elem_value *ucontrol)
	128	{
	129	ucontrol->value.integer.value[0] = n810_spk_func;
	130
	131	return 0;
	132	}
	133
	134	static int n810_set_spk(struct snd_kcontrol *kcontrol,
	135	struct snd_ctl_elem_value *ucontrol)
	136	{
	137	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	138
	139	if (n810_spk_func == ucontrol->value.integer.value[0])
	140	return 0;
	141
	142	n810_spk_func = ucontrol->value.integer.value[0];
	143	n810_ext_control(codec);
	144
	145	return 1;
	146	}
	147
	148	static int n810_get_jack(struct snd_kcontrol *kcontrol,
	149	struct snd_ctl_elem_value *ucontrol)
	150	{
	151	ucontrol->value.integer.value[0] = n810_jack_func;
	152
	153	return 0;
	154	}
	155
	156	static int n810_set_jack(struct snd_kcontrol *kcontrol,
	157	struct snd_ctl_elem_value *ucontrol)
	158	{
	159	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	160
	161	if (n810_jack_func == ucontrol->value.integer.value[0])
	162	return 0;
	163
	164	n810_jack_func = ucontrol->value.integer.value[0];
	165	n810_ext_control(codec);
	166
	167	return 1;
	168	}
	169
90b9e476 JN	170	static int n810_get_input(struct snd_kcontrol *kcontrol,
	171	struct snd_ctl_elem_value *ucontrol)
	172	{
	173	ucontrol->value.integer.value[0] = n810_dmic_func;
	174
	175	return 0;
	176	}
	177
	178	static int n810_set_input(struct snd_kcontrol *kcontrol,
	179	struct snd_ctl_elem_value *ucontrol)
	180	{
	181	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	182
	183	if (n810_dmic_func == ucontrol->value.integer.value[0])
	184	return 0;
	185
	186	n810_dmic_func = ucontrol->value.integer.value[0];
	187	n810_ext_control(codec);
	188
	189	return 1;
	190	}
	191
2e74796a JN	192	static int n810_spk_event(struct snd_soc_dapm_widget *w,
	193	struct snd_kcontrol *k, int event)
	194	{
	195	if (SND_SOC_DAPM_EVENT_ON(event))
f99a633a	196	gpio_set_value(N810_SPEAKER_AMP_GPIO, 1);
2e74796a	197	else
f99a633a	198	gpio_set_value(N810_SPEAKER_AMP_GPIO, 0);
2e74796a JN	199
	200	return 0;
	201	}
	202
	203	static int n810_jack_event(struct snd_soc_dapm_widget *w,
	204	struct snd_kcontrol *k, int event)
	205	{
	206	if (SND_SOC_DAPM_EVENT_ON(event))
f99a633a	207	gpio_set_value(N810_HEADSET_AMP_GPIO, 1);
2e74796a	208	else
f99a633a	209	gpio_set_value(N810_HEADSET_AMP_GPIO, 0);
2e74796a JN	210
	211	return 0;
	212	}
	213
	214	static const struct snd_soc_dapm_widget aic33_dapm_widgets[] = {
	215	SND_SOC_DAPM_SPK("Ext Spk", n810_spk_event),
	216	SND_SOC_DAPM_HP("Headphone Jack", n810_jack_event),
90b9e476	217	SND_SOC_DAPM_MIC("DMic", NULL),
2e74796a JN	218	};
2e74796a JN	219
1a250598	220	static const struct snd_soc_dapm_route audio_map[] = {
2e74796a JN	221	{"Headphone Jack", NULL, "HPLOUT"},
	222	{"Headphone Jack", NULL, "HPROUT"},
	223
	224	{"Ext Spk", NULL, "LLOUT"},
	225	{"Ext Spk", NULL, "RLOUT"},
90b9e476 JN	226
	227	{"DMic Rate 64", NULL, "Mic Bias 2V"},
	228	{"Mic Bias 2V", NULL, "DMic"},
2e74796a JN	229	};
	230
	231	static const char *spk_function[] = {"Off", "On"};
	232	static const char *jack_function[] = {"Off", "Headphone"};
90b9e476	233	static const char *input_function[] = {"ADC", "Digital Mic"};
2e74796a	234	static const struct soc_enum n810_enum[] = {
3c172791 JN	235	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
3c172791 JN	236	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
90b9e476	237	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
2e74796a JN	238	};
	239
	240	static const struct snd_kcontrol_new aic33_n810_controls[] = {
	241	SOC_ENUM_EXT("Speaker Function", n810_enum[0],
	242	n810_get_spk, n810_set_spk),
	243	SOC_ENUM_EXT("Jack Function", n810_enum[1],
	244	n810_get_jack, n810_set_jack),
90b9e476 JN	245	SOC_ENUM_EXT("Input Select", n810_enum[2],
90b9e476 JN	246	n810_get_input, n810_set_input),
2e74796a JN	247	};
	248
	249	static int n810_aic33_init(struct snd_soc_codec *codec)
	250	{
	251	int i, err;
	252
	253	/* Not connected */
869fbb36 MB	254	snd_soc_dapm_nc_pin(codec, "MONO_LOUT");
	255	snd_soc_dapm_nc_pin(codec, "HPLCOM");
	256	snd_soc_dapm_nc_pin(codec, "HPRCOM");
2e74796a JN	257
	258	/* Add N810 specific controls */
	259	for (i = 0; i < ARRAY_SIZE(aic33_n810_controls); i++) {
	260	err = snd_ctl_add(codec->card,
	261	snd_soc_cnew(&aic33_n810_controls[i], codec, NULL));
	262	if (err < 0)
	263	return err;
	264	}
	265
	266	/* Add N810 specific widgets */
1a250598 MB	267	snd_soc_dapm_new_controls(codec, aic33_dapm_widgets,
1a250598 MB	268	ARRAY_SIZE(aic33_dapm_widgets));
2e74796a JN	269
2e74796a JN	270	/* Set up N810 specific audio path audio_map */
1a250598	271	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
2e74796a	272
a5302181	273	snd_soc_dapm_sync(codec);
2e74796a JN	274
	275	return 0;
	276	}
	277
	278	/* Digital audio interface glue - connects codec <--> CPU */
	279	static struct snd_soc_dai_link n810_dai = {
	280	.name = "TLV320AIC33",
	281	.stream_name = "AIC33",
	282	.cpu_dai = &omap_mcbsp_dai[0],
	283	.codec_dai = &aic3x_dai,
	284	.init = n810_aic33_init,
	285	.ops = &n810_ops,
	286	};
	287
	288	/* Audio machine driver */
87506549	289	static struct snd_soc_card snd_soc_n810 = {
2e74796a JN	290	.name = "N810",
	291	.dai_link = &n810_dai,
	292	.num_links = 1,
	293	};
	294
	295	/* Audio private data */
	296	static struct aic3x_setup_data n810_aic33_setup = {
ba8ed121	297	.i2c_bus = 2,
2e74796a	298	.i2c_address = 0x18,
90b9e476 JN	299	.gpio_func[0] = AIC3X_GPIO1_FUNC_DISABLED,
90b9e476 JN	300	.gpio_func[1] = AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT,
2e74796a JN	301	};
	302
	303	/* Audio subsystem */
	304	static struct snd_soc_device n810_snd_devdata = {
87506549	305	.card = &snd_soc_n810,
2e74796a JN	306	.platform = &omap_soc_platform,
	307	.codec_dev = &soc_codec_dev_aic3x,
	308	.codec_data = &n810_aic33_setup,
	309	};
	310
	311	static struct platform_device *n810_snd_device;
	312
	313	static int __init n810_soc_init(void)
	314	{
	315	int err;
	316	struct device *dev;
	317
6e132fa6	318	if (!(machine_is_nokia_n810() \|\| machine_is_nokia_n810_wimax()))
2e74796a JN	319	return -ENODEV;
	320
	321	n810_snd_device = platform_device_alloc("soc-audio", -1);
	322	if (!n810_snd_device)
	323	return -ENOMEM;
	324
	325	platform_set_drvdata(n810_snd_device, &n810_snd_devdata);
	326	n810_snd_devdata.dev = &n810_snd_device->dev;
	327	(unsigned int )n810_dai.cpu_dai->private_data = 1; /* McBSP2 */
	328	err = platform_device_add(n810_snd_device);
	329	if (err)
	330	goto err1;
	331
	332	dev = &n810_snd_device->dev;
	333
	334	sys_clkout2_src = clk_get(dev, "sys_clkout2_src");
	335	if (IS_ERR(sys_clkout2_src)) {
	336	dev_err(dev, "Could not get sys_clkout2_src clock\n");
e784539f JN	337	err = PTR_ERR(sys_clkout2_src);
e784539f JN	338	goto err2;
2e74796a JN	339	}
	340	sys_clkout2 = clk_get(dev, "sys_clkout2");
	341	if (IS_ERR(sys_clkout2)) {
	342	dev_err(dev, "Could not get sys_clkout2\n");
e784539f JN	343	err = PTR_ERR(sys_clkout2);
e784539f JN	344	goto err3;
2e74796a JN	345	}
	346	/*
	347	* Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use
	348	* 96 MHz as its parent in order to get 12 MHz
	349	*/
	350	func96m_clk = clk_get(dev, "func_96m_ck");
	351	if (IS_ERR(func96m_clk)) {
	352	dev_err(dev, "Could not get func 96M clock\n");
e784539f JN	353	err = PTR_ERR(func96m_clk);
e784539f JN	354	goto err4;
2e74796a JN	355	}
	356	clk_set_parent(sys_clkout2_src, func96m_clk);
	357	clk_set_rate(sys_clkout2, 12000000);
	358
f99a633a	359	if (gpio_request(N810_HEADSET_AMP_GPIO, "hs_amp") < 0)
2e74796a	360	BUG();
f99a633a	361	if (gpio_request(N810_SPEAKER_AMP_GPIO, "spk_amp") < 0)
2e74796a	362	BUG();
f99a633a JN	363	gpio_direction_output(N810_HEADSET_AMP_GPIO, 0);
f99a633a JN	364	gpio_direction_output(N810_SPEAKER_AMP_GPIO, 0);
2e74796a JN	365
2e74796a JN	366	return 0;
e784539f	367	err4:
2e74796a	368	clk_put(sys_clkout2);
e784539f JN	369	err3:
	370	clk_put(sys_clkout2_src);
	371	err2:
2e74796a JN	372	platform_device_del(n810_snd_device);
	373	err1:
	374	platform_device_put(n810_snd_device);
	375
	376	return err;
2e74796a JN	377	}
	378
	379	static void __exit n810_soc_exit(void)
	380	{
f99a633a JN	381	gpio_free(N810_SPEAKER_AMP_GPIO);
f99a633a JN	382	gpio_free(N810_HEADSET_AMP_GPIO);
e784539f JN	383	clk_put(sys_clkout2_src);
	384	clk_put(sys_clkout2);
	385	clk_put(func96m_clk);
f99a633a	386
2e74796a JN	387	platform_device_unregister(n810_snd_device);
	388	}
	389
	390	module_init(n810_soc_init);
	391	module_exit(n810_soc_exit);
	392
	393	MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@nokia.com>");
	394	MODULE_DESCRIPTION("ALSA SoC Nokia N810");
	395	MODULE_LICENSE("GPL");