[linux-block.git] / sound / soc / omap / n810.c

/*
 * n810.c  --  SoC audio for Nokia N810
 *
 * Copyright (C) 2008 Nokia Corporation
 *
 * Contact: 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/clk.h>
#include <linux/i2c.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 = {
	.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;

/* temporary i2c device creation until this can be moved into the machine
 * support file.
*/
static struct i2c_board_info i2c_device[] = {
	{ I2C_BOARD_INFO("tlv320aic3x", 0x1b), }
};

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

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

	i2c_register_board_info(1, i2c_device, ARRAY_SIZE(i2c_device));

	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);

	BUG_ON((gpio_request(N810_HEADSET_AMP_GPIO, "hs_amp") < 0) ||
	       (gpio_request(N810_SPEAKER_AMP_GPIO, "spk_amp") < 0));

	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 <jhnikula@gmail.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	*
b08f7a62	6	* Contact: Jarkko Nikula <jhnikula@gmail.com>
2e74796a JN	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>
aa6b904e	25	#include <linux/i2c.h>
2e74796a JN	26	#include <linux/platform_device.h>
	27	#include <sound/core.h>
	28	#include <sound/pcm.h>
	29	#include <sound/soc.h>
	30	#include <sound/soc-dapm.h>
	31
	32	#include <asm/mach-types.h>
a09e64fb	33	#include <mach/hardware.h>
f99a633a	34	#include <linux/gpio.h>
a09e64fb	35	#include <mach/mcbsp.h>
2e74796a JN	36
	37	#include "omap-mcbsp.h"
	38	#include "omap-pcm.h"
	39	#include "../codecs/tlv320aic3x.h"
	40
f99a633a JN	41	#define N810_HEADSET_AMP_GPIO 10
f99a633a JN	42	#define N810_SPEAKER_AMP_GPIO 101
2e74796a	43
f8d5fc92 JN	44	enum {
	45	N810_JACK_DISABLED,
	46	N810_JACK_HP,
	47	N810_JACK_HS,
	48	N810_JACK_MIC,
	49	};
	50
2e74796a JN	51	static struct clk *sys_clkout2;
	52	static struct clk *sys_clkout2_src;
	53	static struct clk *func96m_clk;
	54
	55	static int n810_spk_func;
	56	static int n810_jack_func;
90b9e476	57	static int n810_dmic_func;
2e74796a JN	58
	59	static void n810_ext_control(struct snd_soc_codec *codec)
	60	{
f8d5fc92 JN	61	int hp = 0, line1l = 0;
	62
	63	switch (n810_jack_func) {
	64	case N810_JACK_HS:
	65	line1l = 1;
	66	case N810_JACK_HP:
	67	hp = 1;
	68	break;
	69	case N810_JACK_MIC:
	70	line1l = 1;
	71	break;
	72	}
	73
a5302181 LG	74	if (n810_spk_func)
	75	snd_soc_dapm_enable_pin(codec, "Ext Spk");
	76	else
	77	snd_soc_dapm_disable_pin(codec, "Ext Spk");
	78
f8d5fc92	79	if (hp)
a5302181 LG	80	snd_soc_dapm_enable_pin(codec, "Headphone Jack");
	81	else
	82	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
f8d5fc92 JN	83	if (line1l)
	84	snd_soc_dapm_enable_pin(codec, "LINE1L");
	85	else
	86	snd_soc_dapm_disable_pin(codec, "LINE1L");
a5302181 LG	87
	88	if (n810_dmic_func)
	89	snd_soc_dapm_enable_pin(codec, "DMic");
	90	else
ac8615ba	91	snd_soc_dapm_disable_pin(codec, "DMic");
2e74796a	92
a5302181	93	snd_soc_dapm_sync(codec);
2e74796a JN	94	}
	95
	96	static int n810_startup(struct snd_pcm_substream *substream)
	97	{
0be43050	98	struct snd_pcm_runtime *runtime = substream->runtime;
2e74796a	99	struct snd_soc_pcm_runtime *rtd = substream->private_data;
9e30d771	100	struct snd_soc_codec *codec = rtd->socdev->card->codec;
2e74796a	101
0be43050 JN	102	snd_pcm_hw_constraint_minmax(runtime,
	103	SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);
	104
2e74796a JN	105	n810_ext_control(codec);
	106	return clk_enable(sys_clkout2);
	107	}
	108
	109	static void n810_shutdown(struct snd_pcm_substream *substream)
	110	{
	111	clk_disable(sys_clkout2);
	112	}
	113
	114	static int n810_hw_params(struct snd_pcm_substream *substream,
	115	struct snd_pcm_hw_params *params)
	116	{
	117	struct snd_soc_pcm_runtime *rtd = substream->private_data;
8687eb8b LG	118	struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
8687eb8b LG	119	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
2e74796a JN	120	int err;
	121
	122	/* Set codec DAI configuration */
64105cfd	123	err = snd_soc_dai_set_fmt(codec_dai,
2e74796a JN	124	SND_SOC_DAIFMT_I2S \|
	125	SND_SOC_DAIFMT_NB_NF \|
	126	SND_SOC_DAIFMT_CBM_CFM);
	127	if (err < 0)
	128	return err;
	129
	130	/* Set cpu DAI configuration */
64105cfd	131	err = snd_soc_dai_set_fmt(cpu_dai,
2e74796a JN	132	SND_SOC_DAIFMT_I2S \|
	133	SND_SOC_DAIFMT_NB_NF \|
	134	SND_SOC_DAIFMT_CBM_CFM);
	135	if (err < 0)
	136	return err;
	137
	138	/* Set the codec system clock for DAC and ADC */
64105cfd	139	err = snd_soc_dai_set_sysclk(codec_dai, 0, 12000000,
2e74796a JN	140	SND_SOC_CLOCK_IN);
	141
	142	return err;
	143	}
	144
	145	static struct snd_soc_ops n810_ops = {
	146	.startup = n810_startup,
	147	.hw_params = n810_hw_params,
	148	.shutdown = n810_shutdown,
	149	};
	150
	151	static int n810_get_spk(struct snd_kcontrol *kcontrol,
	152	struct snd_ctl_elem_value *ucontrol)
	153	{
	154	ucontrol->value.integer.value[0] = n810_spk_func;
	155
	156	return 0;
	157	}
	158
	159	static int n810_set_spk(struct snd_kcontrol *kcontrol,
	160	struct snd_ctl_elem_value *ucontrol)
	161	{
	162	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	163
	164	if (n810_spk_func == ucontrol->value.integer.value[0])
	165	return 0;
	166
	167	n810_spk_func = ucontrol->value.integer.value[0];
	168	n810_ext_control(codec);
	169
	170	return 1;
	171	}
	172
	173	static int n810_get_jack(struct snd_kcontrol *kcontrol,
	174	struct snd_ctl_elem_value *ucontrol)
	175	{
	176	ucontrol->value.integer.value[0] = n810_jack_func;
	177
	178	return 0;
	179	}
	180
	181	static int n810_set_jack(struct snd_kcontrol *kcontrol,
	182	struct snd_ctl_elem_value *ucontrol)
	183	{
	184	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	185
	186	if (n810_jack_func == ucontrol->value.integer.value[0])
	187	return 0;
	188
	189	n810_jack_func = ucontrol->value.integer.value[0];
	190	n810_ext_control(codec);
	191
	192	return 1;
	193	}
	194
90b9e476 JN	195	static int n810_get_input(struct snd_kcontrol *kcontrol,
	196	struct snd_ctl_elem_value *ucontrol)
	197	{
	198	ucontrol->value.integer.value[0] = n810_dmic_func;
	199
	200	return 0;
	201	}
	202
	203	static int n810_set_input(struct snd_kcontrol *kcontrol,
	204	struct snd_ctl_elem_value *ucontrol)
	205	{
	206	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	207
	208	if (n810_dmic_func == ucontrol->value.integer.value[0])
	209	return 0;
	210
	211	n810_dmic_func = ucontrol->value.integer.value[0];
	212	n810_ext_control(codec);
	213
	214	return 1;
	215	}
	216
2e74796a JN	217	static int n810_spk_event(struct snd_soc_dapm_widget *w,
	218	struct snd_kcontrol *k, int event)
	219	{
	220	if (SND_SOC_DAPM_EVENT_ON(event))
f99a633a	221	gpio_set_value(N810_SPEAKER_AMP_GPIO, 1);
2e74796a	222	else
f99a633a	223	gpio_set_value(N810_SPEAKER_AMP_GPIO, 0);
2e74796a JN	224
	225	return 0;
	226	}
	227
	228	static int n810_jack_event(struct snd_soc_dapm_widget *w,
	229	struct snd_kcontrol *k, int event)
	230	{
	231	if (SND_SOC_DAPM_EVENT_ON(event))
f99a633a	232	gpio_set_value(N810_HEADSET_AMP_GPIO, 1);
2e74796a	233	else
f99a633a	234	gpio_set_value(N810_HEADSET_AMP_GPIO, 0);
2e74796a JN	235
	236	return 0;
	237	}
	238
	239	static const struct snd_soc_dapm_widget aic33_dapm_widgets[] = {
	240	SND_SOC_DAPM_SPK("Ext Spk", n810_spk_event),
	241	SND_SOC_DAPM_HP("Headphone Jack", n810_jack_event),
90b9e476	242	SND_SOC_DAPM_MIC("DMic", NULL),
2e74796a JN	243	};
2e74796a JN	244
1a250598	245	static const struct snd_soc_dapm_route audio_map[] = {
2e74796a JN	246	{"Headphone Jack", NULL, "HPLOUT"},
	247	{"Headphone Jack", NULL, "HPROUT"},
	248
	249	{"Ext Spk", NULL, "LLOUT"},
	250	{"Ext Spk", NULL, "RLOUT"},
90b9e476 JN	251
	252	{"DMic Rate 64", NULL, "Mic Bias 2V"},
	253	{"Mic Bias 2V", NULL, "DMic"},
2e74796a JN	254	};
	255
	256	static const char *spk_function[] = {"Off", "On"};
f8d5fc92	257	static const char *jack_function[] = {"Off", "Headphone", "Headset", "Mic"};
90b9e476	258	static const char *input_function[] = {"ADC", "Digital Mic"};
2e74796a	259	static const struct soc_enum n810_enum[] = {
3c172791 JN	260	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
3c172791 JN	261	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
90b9e476	262	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
2e74796a JN	263	};
	264
	265	static const struct snd_kcontrol_new aic33_n810_controls[] = {
	266	SOC_ENUM_EXT("Speaker Function", n810_enum[0],
	267	n810_get_spk, n810_set_spk),
	268	SOC_ENUM_EXT("Jack Function", n810_enum[1],
	269	n810_get_jack, n810_set_jack),
90b9e476 JN	270	SOC_ENUM_EXT("Input Select", n810_enum[2],
90b9e476 JN	271	n810_get_input, n810_set_input),
2e74796a JN	272	};
	273
	274	static int n810_aic33_init(struct snd_soc_codec *codec)
	275	{
eb5f6d75	276	int err;
2e74796a JN	277
2e74796a JN	278	/* Not connected */
869fbb36 MB	279	snd_soc_dapm_nc_pin(codec, "MONO_LOUT");
	280	snd_soc_dapm_nc_pin(codec, "HPLCOM");
	281	snd_soc_dapm_nc_pin(codec, "HPRCOM");
13b9d2ab JN	282	snd_soc_dapm_nc_pin(codec, "MIC3L");
	283	snd_soc_dapm_nc_pin(codec, "MIC3R");
	284	snd_soc_dapm_nc_pin(codec, "LINE1R");
	285	snd_soc_dapm_nc_pin(codec, "LINE2L");
	286	snd_soc_dapm_nc_pin(codec, "LINE2R");
2e74796a JN	287
2e74796a JN	288	/* Add N810 specific controls */
eb5f6d75 PZ	289	err = snd_soc_add_controls(codec, aic33_n810_controls,
	290	ARRAY_SIZE(aic33_n810_controls));
	291	if (err < 0)
	292	return err;
2e74796a JN	293
2e74796a JN	294	/* Add N810 specific widgets */
1a250598 MB	295	snd_soc_dapm_new_controls(codec, aic33_dapm_widgets,
1a250598 MB	296	ARRAY_SIZE(aic33_dapm_widgets));
2e74796a JN	297
2e74796a JN	298	/* Set up N810 specific audio path audio_map */
1a250598	299	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
2e74796a	300
a5302181	301	snd_soc_dapm_sync(codec);
2e74796a JN	302
	303	return 0;
	304	}
	305
	306	/* Digital audio interface glue - connects codec <--> CPU */
	307	static struct snd_soc_dai_link n810_dai = {
	308	.name = "TLV320AIC33",
	309	.stream_name = "AIC33",
	310	.cpu_dai = &omap_mcbsp_dai[0],
	311	.codec_dai = &aic3x_dai,
	312	.init = n810_aic33_init,
	313	.ops = &n810_ops,
	314	};
	315
	316	/* Audio machine driver */
87506549	317	static struct snd_soc_card snd_soc_n810 = {
2e74796a	318	.name = "N810",
87689d56	319	.platform = &omap_soc_platform,
2e74796a JN	320	.dai_link = &n810_dai,
	321	.num_links = 1,
	322	};
	323
	324	/* Audio private data */
	325	static struct aic3x_setup_data n810_aic33_setup = {
90b9e476 JN	326	.gpio_func[0] = AIC3X_GPIO1_FUNC_DISABLED,
90b9e476 JN	327	.gpio_func[1] = AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT,
2e74796a JN	328	};
	329
	330	/* Audio subsystem */
	331	static struct snd_soc_device n810_snd_devdata = {
87506549	332	.card = &snd_soc_n810,
2e74796a JN	333	.codec_dev = &soc_codec_dev_aic3x,
	334	.codec_data = &n810_aic33_setup,
	335	};
	336
	337	static struct platform_device *n810_snd_device;
	338
aa6b904e BD	339	/* temporary i2c device creation until this can be moved into the machine
	340	* support file.
	341	*/
	342	static struct i2c_board_info i2c_device[] = {
	343	{ I2C_BOARD_INFO("tlv320aic3x", 0x1b), }
	344	};
	345
2e74796a JN	346	static int __init n810_soc_init(void)
	347	{
	348	int err;
	349	struct device *dev;
	350
6e132fa6	351	if (!(machine_is_nokia_n810() \|\| machine_is_nokia_n810_wimax()))
2e74796a JN	352	return -ENODEV;
2e74796a JN	353
aa6b904e BD	354	i2c_register_board_info(1, i2c_device, ARRAY_SIZE(i2c_device));
aa6b904e BD	355
2e74796a JN	356	n810_snd_device = platform_device_alloc("soc-audio", -1);
	357	if (!n810_snd_device)
	358	return -ENOMEM;
	359
	360	platform_set_drvdata(n810_snd_device, &n810_snd_devdata);
	361	n810_snd_devdata.dev = &n810_snd_device->dev;
	362	(unsigned int )n810_dai.cpu_dai->private_data = 1; /* McBSP2 */
	363	err = platform_device_add(n810_snd_device);
	364	if (err)
	365	goto err1;
	366
	367	dev = &n810_snd_device->dev;
	368
	369	sys_clkout2_src = clk_get(dev, "sys_clkout2_src");
	370	if (IS_ERR(sys_clkout2_src)) {
	371	dev_err(dev, "Could not get sys_clkout2_src clock\n");
e784539f JN	372	err = PTR_ERR(sys_clkout2_src);
e784539f JN	373	goto err2;
2e74796a JN	374	}
	375	sys_clkout2 = clk_get(dev, "sys_clkout2");
	376	if (IS_ERR(sys_clkout2)) {
	377	dev_err(dev, "Could not get sys_clkout2\n");
e784539f JN	378	err = PTR_ERR(sys_clkout2);
e784539f JN	379	goto err3;
2e74796a JN	380	}
	381	/*
	382	* Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use
	383	* 96 MHz as its parent in order to get 12 MHz
	384	*/
	385	func96m_clk = clk_get(dev, "func_96m_ck");
	386	if (IS_ERR(func96m_clk)) {
	387	dev_err(dev, "Could not get func 96M clock\n");
e784539f JN	388	err = PTR_ERR(func96m_clk);
e784539f JN	389	goto err4;
2e74796a JN	390	}
	391	clk_set_parent(sys_clkout2_src, func96m_clk);
	392	clk_set_rate(sys_clkout2, 12000000);
	393
f4c1724f AB	394	BUG_ON((gpio_request(N810_HEADSET_AMP_GPIO, "hs_amp") < 0) \|\|
	395	(gpio_request(N810_SPEAKER_AMP_GPIO, "spk_amp") < 0));
	396
f99a633a JN	397	gpio_direction_output(N810_HEADSET_AMP_GPIO, 0);
f99a633a JN	398	gpio_direction_output(N810_SPEAKER_AMP_GPIO, 0);
2e74796a JN	399
2e74796a JN	400	return 0;
e784539f	401	err4:
2e74796a	402	clk_put(sys_clkout2);
e784539f JN	403	err3:
	404	clk_put(sys_clkout2_src);
	405	err2:
2e74796a JN	406	platform_device_del(n810_snd_device);
	407	err1:
	408	platform_device_put(n810_snd_device);
	409
	410	return err;
2e74796a JN	411	}
	412
	413	static void __exit n810_soc_exit(void)
	414	{
f99a633a JN	415	gpio_free(N810_SPEAKER_AMP_GPIO);
f99a633a JN	416	gpio_free(N810_HEADSET_AMP_GPIO);
e784539f JN	417	clk_put(sys_clkout2_src);
	418	clk_put(sys_clkout2);
	419	clk_put(func96m_clk);
f99a633a	420
2e74796a JN	421	platform_device_unregister(n810_snd_device);
	422	}
	423
	424	module_init(n810_soc_init);
	425	module_exit(n810_soc_exit);
	426
b08f7a62	427	MODULE_AUTHOR("Jarkko Nikula <jhnikula@gmail.com>");
2e74796a JN	428	MODULE_DESCRIPTION("ALSA SoC Nokia N810");
2e74796a JN	429	MODULE_LICENSE("GPL");