[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

enum {
	N810_JACK_DISABLED,
	N810_JACK_HP,
	N810_JACK_HS,
	N810_JACK_MIC,
};

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)
{
	int hp = 0, line1l = 0;

	switch (n810_jack_func) {
	case N810_JACK_HS:
		line1l = 1;
	case N810_JACK_HP:
		hp = 1;
		break;
	case N810_JACK_MIC:
		line1l = 1;
		break;
	}

	if (n810_spk_func)
		snd_soc_dapm_enable_pin(codec, "Ext Spk");
	else
		snd_soc_dapm_disable_pin(codec, "Ext Spk");

	if (hp)
		snd_soc_dapm_enable_pin(codec, "Headphone Jack");
	else
		snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	if (line1l)
		snd_soc_dapm_enable_pin(codec, "LINE1L");
	else
		snd_soc_dapm_disable_pin(codec, "LINE1L");

	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->card->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", "Headset", "Mic"};
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 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");
	snd_soc_dapm_nc_pin(codec, "MIC3L");
	snd_soc_dapm_nc_pin(codec, "MIC3R");
	snd_soc_dapm_nc_pin(codec, "LINE1R");
	snd_soc_dapm_nc_pin(codec, "LINE2L");
	snd_soc_dapm_nc_pin(codec, "LINE2R");

	/* Add N810 specific controls */
	err = snd_soc_add_controls(codec, aic33_n810_controls,
				ARRAY_SIZE(aic33_n810_controls));
	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",
	.platform = &omap_soc_platform,
	.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,
	.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	42
f8d5fc92 JN	43	enum {
	44	N810_JACK_DISABLED,
	45	N810_JACK_HP,
	46	N810_JACK_HS,
	47	N810_JACK_MIC,
	48	};
	49
2e74796a JN	50	static struct clk *sys_clkout2;
	51	static struct clk *sys_clkout2_src;
	52	static struct clk *func96m_clk;
	53
	54	static int n810_spk_func;
	55	static int n810_jack_func;
90b9e476	56	static int n810_dmic_func;
2e74796a JN	57
	58	static void n810_ext_control(struct snd_soc_codec *codec)
	59	{
f8d5fc92 JN	60	int hp = 0, line1l = 0;
	61
	62	switch (n810_jack_func) {
	63	case N810_JACK_HS:
	64	line1l = 1;
	65	case N810_JACK_HP:
	66	hp = 1;
	67	break;
	68	case N810_JACK_MIC:
	69	line1l = 1;
	70	break;
	71	}
	72
a5302181 LG	73	if (n810_spk_func)
	74	snd_soc_dapm_enable_pin(codec, "Ext Spk");
	75	else
	76	snd_soc_dapm_disable_pin(codec, "Ext Spk");
	77
f8d5fc92	78	if (hp)
a5302181 LG	79	snd_soc_dapm_enable_pin(codec, "Headphone Jack");
	80	else
	81	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
f8d5fc92 JN	82	if (line1l)
	83	snd_soc_dapm_enable_pin(codec, "LINE1L");
	84	else
	85	snd_soc_dapm_disable_pin(codec, "LINE1L");
a5302181 LG	86
	87	if (n810_dmic_func)
	88	snd_soc_dapm_enable_pin(codec, "DMic");
	89	else
ac8615ba	90	snd_soc_dapm_disable_pin(codec, "DMic");
2e74796a	91
a5302181	92	snd_soc_dapm_sync(codec);
2e74796a JN	93	}
	94
	95	static int n810_startup(struct snd_pcm_substream *substream)
	96	{
0be43050	97	struct snd_pcm_runtime *runtime = substream->runtime;
2e74796a	98	struct snd_soc_pcm_runtime *rtd = substream->private_data;
9e30d771	99	struct snd_soc_codec *codec = rtd->socdev->card->codec;
2e74796a	100
0be43050 JN	101	snd_pcm_hw_constraint_minmax(runtime,
	102	SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);
	103
2e74796a JN	104	n810_ext_control(codec);
	105	return clk_enable(sys_clkout2);
	106	}
	107
	108	static void n810_shutdown(struct snd_pcm_substream *substream)
	109	{
	110	clk_disable(sys_clkout2);
	111	}
	112
	113	static int n810_hw_params(struct snd_pcm_substream *substream,
	114	struct snd_pcm_hw_params *params)
	115	{
	116	struct snd_soc_pcm_runtime *rtd = substream->private_data;
8687eb8b LG	117	struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
8687eb8b LG	118	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
2e74796a JN	119	int err;
	120
	121	/* Set codec DAI configuration */
64105cfd	122	err = snd_soc_dai_set_fmt(codec_dai,
2e74796a JN	123	SND_SOC_DAIFMT_I2S \|
	124	SND_SOC_DAIFMT_NB_NF \|
	125	SND_SOC_DAIFMT_CBM_CFM);
	126	if (err < 0)
	127	return err;
	128
	129	/* Set cpu DAI configuration */
64105cfd	130	err = snd_soc_dai_set_fmt(cpu_dai,
2e74796a JN	131	SND_SOC_DAIFMT_I2S \|
	132	SND_SOC_DAIFMT_NB_NF \|
	133	SND_SOC_DAIFMT_CBM_CFM);
	134	if (err < 0)
	135	return err;
	136
	137	/* Set the codec system clock for DAC and ADC */
64105cfd	138	err = snd_soc_dai_set_sysclk(codec_dai, 0, 12000000,
2e74796a JN	139	SND_SOC_CLOCK_IN);
	140
	141	return err;
	142	}
	143
	144	static struct snd_soc_ops n810_ops = {
	145	.startup = n810_startup,
	146	.hw_params = n810_hw_params,
	147	.shutdown = n810_shutdown,
	148	};
	149
	150	static int n810_get_spk(struct snd_kcontrol *kcontrol,
	151	struct snd_ctl_elem_value *ucontrol)
	152	{
	153	ucontrol->value.integer.value[0] = n810_spk_func;
	154
	155	return 0;
	156	}
	157
	158	static int n810_set_spk(struct snd_kcontrol *kcontrol,
	159	struct snd_ctl_elem_value *ucontrol)
	160	{
	161	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	162
	163	if (n810_spk_func == ucontrol->value.integer.value[0])
	164	return 0;
	165
	166	n810_spk_func = ucontrol->value.integer.value[0];
	167	n810_ext_control(codec);
	168
	169	return 1;
	170	}
	171
	172	static int n810_get_jack(struct snd_kcontrol *kcontrol,
	173	struct snd_ctl_elem_value *ucontrol)
	174	{
	175	ucontrol->value.integer.value[0] = n810_jack_func;
	176
	177	return 0;
	178	}
	179
	180	static int n810_set_jack(struct snd_kcontrol *kcontrol,
	181	struct snd_ctl_elem_value *ucontrol)
	182	{
	183	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	184
	185	if (n810_jack_func == ucontrol->value.integer.value[0])
	186	return 0;
	187
	188	n810_jack_func = ucontrol->value.integer.value[0];
	189	n810_ext_control(codec);
	190
	191	return 1;
	192	}
	193
90b9e476 JN	194	static int n810_get_input(struct snd_kcontrol *kcontrol,
	195	struct snd_ctl_elem_value *ucontrol)
	196	{
	197	ucontrol->value.integer.value[0] = n810_dmic_func;
	198
	199	return 0;
	200	}
	201
	202	static int n810_set_input(struct snd_kcontrol *kcontrol,
	203	struct snd_ctl_elem_value *ucontrol)
	204	{
	205	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	206
	207	if (n810_dmic_func == ucontrol->value.integer.value[0])
	208	return 0;
	209
	210	n810_dmic_func = ucontrol->value.integer.value[0];
	211	n810_ext_control(codec);
	212
	213	return 1;
	214	}
	215
2e74796a JN	216	static int n810_spk_event(struct snd_soc_dapm_widget *w,
	217	struct snd_kcontrol *k, int event)
	218	{
	219	if (SND_SOC_DAPM_EVENT_ON(event))
f99a633a	220	gpio_set_value(N810_SPEAKER_AMP_GPIO, 1);
2e74796a	221	else
f99a633a	222	gpio_set_value(N810_SPEAKER_AMP_GPIO, 0);
2e74796a JN	223
	224	return 0;
	225	}
	226
	227	static int n810_jack_event(struct snd_soc_dapm_widget *w,
	228	struct snd_kcontrol *k, int event)
	229	{
	230	if (SND_SOC_DAPM_EVENT_ON(event))
f99a633a	231	gpio_set_value(N810_HEADSET_AMP_GPIO, 1);
2e74796a	232	else
f99a633a	233	gpio_set_value(N810_HEADSET_AMP_GPIO, 0);
2e74796a JN	234
	235	return 0;
	236	}
	237
	238	static const struct snd_soc_dapm_widget aic33_dapm_widgets[] = {
	239	SND_SOC_DAPM_SPK("Ext Spk", n810_spk_event),
	240	SND_SOC_DAPM_HP("Headphone Jack", n810_jack_event),
90b9e476	241	SND_SOC_DAPM_MIC("DMic", NULL),
2e74796a JN	242	};
2e74796a JN	243
1a250598	244	static const struct snd_soc_dapm_route audio_map[] = {
2e74796a JN	245	{"Headphone Jack", NULL, "HPLOUT"},
	246	{"Headphone Jack", NULL, "HPROUT"},
	247
	248	{"Ext Spk", NULL, "LLOUT"},
	249	{"Ext Spk", NULL, "RLOUT"},
90b9e476 JN	250
	251	{"DMic Rate 64", NULL, "Mic Bias 2V"},
	252	{"Mic Bias 2V", NULL, "DMic"},
2e74796a JN	253	};
	254
	255	static const char *spk_function[] = {"Off", "On"};
f8d5fc92	256	static const char *jack_function[] = {"Off", "Headphone", "Headset", "Mic"};
90b9e476	257	static const char *input_function[] = {"ADC", "Digital Mic"};
2e74796a	258	static const struct soc_enum n810_enum[] = {
3c172791 JN	259	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
3c172791 JN	260	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
90b9e476	261	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
2e74796a JN	262	};
	263
	264	static const struct snd_kcontrol_new aic33_n810_controls[] = {
	265	SOC_ENUM_EXT("Speaker Function", n810_enum[0],
	266	n810_get_spk, n810_set_spk),
	267	SOC_ENUM_EXT("Jack Function", n810_enum[1],
	268	n810_get_jack, n810_set_jack),
90b9e476 JN	269	SOC_ENUM_EXT("Input Select", n810_enum[2],
90b9e476 JN	270	n810_get_input, n810_set_input),
2e74796a JN	271	};
	272
	273	static int n810_aic33_init(struct snd_soc_codec *codec)
	274	{
eb5f6d75	275	int err;
2e74796a JN	276
2e74796a JN	277	/* Not connected */
869fbb36 MB	278	snd_soc_dapm_nc_pin(codec, "MONO_LOUT");
	279	snd_soc_dapm_nc_pin(codec, "HPLCOM");
	280	snd_soc_dapm_nc_pin(codec, "HPRCOM");
13b9d2ab JN	281	snd_soc_dapm_nc_pin(codec, "MIC3L");
	282	snd_soc_dapm_nc_pin(codec, "MIC3R");
	283	snd_soc_dapm_nc_pin(codec, "LINE1R");
	284	snd_soc_dapm_nc_pin(codec, "LINE2L");
	285	snd_soc_dapm_nc_pin(codec, "LINE2R");
2e74796a JN	286
2e74796a JN	287	/* Add N810 specific controls */
eb5f6d75 PZ	288	err = snd_soc_add_controls(codec, aic33_n810_controls,
	289	ARRAY_SIZE(aic33_n810_controls));
	290	if (err < 0)
	291	return err;
2e74796a JN	292
2e74796a JN	293	/* Add N810 specific widgets */
1a250598 MB	294	snd_soc_dapm_new_controls(codec, aic33_dapm_widgets,
1a250598 MB	295	ARRAY_SIZE(aic33_dapm_widgets));
2e74796a JN	296
2e74796a JN	297	/* Set up N810 specific audio path audio_map */
1a250598	298	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
2e74796a	299
a5302181	300	snd_soc_dapm_sync(codec);
2e74796a JN	301
	302	return 0;
	303	}
	304
	305	/* Digital audio interface glue - connects codec <--> CPU */
	306	static struct snd_soc_dai_link n810_dai = {
	307	.name = "TLV320AIC33",
	308	.stream_name = "AIC33",
	309	.cpu_dai = &omap_mcbsp_dai[0],
	310	.codec_dai = &aic3x_dai,
	311	.init = n810_aic33_init,
	312	.ops = &n810_ops,
	313	};
	314
	315	/* Audio machine driver */
87506549	316	static struct snd_soc_card snd_soc_n810 = {
2e74796a	317	.name = "N810",
87689d56	318	.platform = &omap_soc_platform,
2e74796a JN	319	.dai_link = &n810_dai,
	320	.num_links = 1,
	321	};
	322
	323	/* Audio private data */
	324	static struct aic3x_setup_data n810_aic33_setup = {
ba8ed121	325	.i2c_bus = 2,
2e74796a	326	.i2c_address = 0x18,
90b9e476 JN	327	.gpio_func[0] = AIC3X_GPIO1_FUNC_DISABLED,
90b9e476 JN	328	.gpio_func[1] = AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT,
2e74796a JN	329	};
	330
	331	/* Audio subsystem */
	332	static struct snd_soc_device n810_snd_devdata = {
87506549	333	.card = &snd_soc_n810,
2e74796a JN	334	.codec_dev = &soc_codec_dev_aic3x,
	335	.codec_data = &n810_aic33_setup,
	336	};
	337
	338	static struct platform_device *n810_snd_device;
	339
	340	static int __init n810_soc_init(void)
	341	{
	342	int err;
	343	struct device *dev;
	344
6e132fa6	345	if (!(machine_is_nokia_n810() \|\| machine_is_nokia_n810_wimax()))
2e74796a JN	346	return -ENODEV;
	347
	348	n810_snd_device = platform_device_alloc("soc-audio", -1);
	349	if (!n810_snd_device)
	350	return -ENOMEM;
	351
	352	platform_set_drvdata(n810_snd_device, &n810_snd_devdata);
	353	n810_snd_devdata.dev = &n810_snd_device->dev;
	354	(unsigned int )n810_dai.cpu_dai->private_data = 1; /* McBSP2 */
	355	err = platform_device_add(n810_snd_device);
	356	if (err)
	357	goto err1;
	358
	359	dev = &n810_snd_device->dev;
	360
	361	sys_clkout2_src = clk_get(dev, "sys_clkout2_src");
	362	if (IS_ERR(sys_clkout2_src)) {
	363	dev_err(dev, "Could not get sys_clkout2_src clock\n");
e784539f JN	364	err = PTR_ERR(sys_clkout2_src);
e784539f JN	365	goto err2;
2e74796a JN	366	}
	367	sys_clkout2 = clk_get(dev, "sys_clkout2");
	368	if (IS_ERR(sys_clkout2)) {
	369	dev_err(dev, "Could not get sys_clkout2\n");
e784539f JN	370	err = PTR_ERR(sys_clkout2);
e784539f JN	371	goto err3;
2e74796a JN	372	}
	373	/*
	374	* Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use
	375	* 96 MHz as its parent in order to get 12 MHz
	376	*/
	377	func96m_clk = clk_get(dev, "func_96m_ck");
	378	if (IS_ERR(func96m_clk)) {
	379	dev_err(dev, "Could not get func 96M clock\n");
e784539f JN	380	err = PTR_ERR(func96m_clk);
e784539f JN	381	goto err4;
2e74796a JN	382	}
	383	clk_set_parent(sys_clkout2_src, func96m_clk);
	384	clk_set_rate(sys_clkout2, 12000000);
	385
f99a633a	386	if (gpio_request(N810_HEADSET_AMP_GPIO, "hs_amp") < 0)
2e74796a	387	BUG();
f99a633a	388	if (gpio_request(N810_SPEAKER_AMP_GPIO, "spk_amp") < 0)
2e74796a	389	BUG();
f99a633a JN	390	gpio_direction_output(N810_HEADSET_AMP_GPIO, 0);
f99a633a JN	391	gpio_direction_output(N810_SPEAKER_AMP_GPIO, 0);
2e74796a JN	392
2e74796a JN	393	return 0;
e784539f	394	err4:
2e74796a	395	clk_put(sys_clkout2);
e784539f JN	396	err3:
	397	clk_put(sys_clkout2_src);
	398	err2:
2e74796a JN	399	platform_device_del(n810_snd_device);
	400	err1:
	401	platform_device_put(n810_snd_device);
	402
	403	return err;
2e74796a JN	404	}
	405
	406	static void __exit n810_soc_exit(void)
	407	{
f99a633a JN	408	gpio_free(N810_SPEAKER_AMP_GPIO);
f99a633a JN	409	gpio_free(N810_HEADSET_AMP_GPIO);
e784539f JN	410	clk_put(sys_clkout2_src);
	411	clk_put(sys_clkout2);
	412	clk_put(func96m_clk);
f99a633a	413
2e74796a JN	414	platform_device_unregister(n810_snd_device);
	415	}
	416
	417	module_init(n810_soc_init);
	418	module_exit(n810_soc_exit);
	419
	420	MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@nokia.com>");
	421	MODULE_DESCRIPTION("ALSA SoC Nokia N810");
	422	MODULE_LICENSE("GPL");