[net-next-2.6.git] / sound / soc / pxa / spitz.c

/*
 * spitz.c  --  SoC audio for Sharp SL-Cxx00 models Spitz, Borzoi and Akita
 *
 * Copyright 2005 Wolfson Microelectronics PLC.
 * Copyright 2005 Openedhand Ltd.
 *
 * Authors: Liam Girdwood <lrg@slimlogic.co.uk>
 *          Richard Purdie <richard@openedhand.com>
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/gpio.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/spitz.h>
#include "../codecs/wm8750.h"
#include "pxa2xx-pcm.h"
#include "pxa2xx-i2s.h"

#define SPITZ_HP        0
#define SPITZ_MIC       1
#define SPITZ_LINE      2
#define SPITZ_HEADSET   3
#define SPITZ_HP_OFF    4
#define SPITZ_SPK_ON    0
#define SPITZ_SPK_OFF   1

 /* audio clock in Hz - rounded from 12.235MHz */
#define SPITZ_AUDIO_CLOCK 12288000

static int spitz_jack_func;
static int spitz_spk_func;

static void spitz_ext_control(struct snd_soc_codec *codec)
{
	if (spitz_spk_func == SPITZ_SPK_ON)
		snd_soc_dapm_enable_pin(codec, "Ext Spk");
	else
		snd_soc_dapm_disable_pin(codec, "Ext Spk");

	/* set up jack connection */
	switch (spitz_jack_func) {
	case SPITZ_HP:
		/* enable and unmute hp jack, disable mic bias */
		snd_soc_dapm_disable_pin(codec, "Headset Jack");
		snd_soc_dapm_disable_pin(codec, "Mic Jack");
		snd_soc_dapm_disable_pin(codec, "Line Jack");
		snd_soc_dapm_enable_pin(codec, "Headphone Jack");
		gpio_set_value(SPITZ_GPIO_MUTE_L, 1);
		gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
		break;
	case SPITZ_MIC:
		/* enable mic jack and bias, mute hp */
		snd_soc_dapm_disable_pin(codec, "Headphone Jack");
		snd_soc_dapm_disable_pin(codec, "Headset Jack");
		snd_soc_dapm_disable_pin(codec, "Line Jack");
		snd_soc_dapm_enable_pin(codec, "Mic Jack");
		gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
		gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
		break;
	case SPITZ_LINE:
		/* enable line jack, disable mic bias and mute hp */
		snd_soc_dapm_disable_pin(codec, "Headphone Jack");
		snd_soc_dapm_disable_pin(codec, "Headset Jack");
		snd_soc_dapm_disable_pin(codec, "Mic Jack");
		snd_soc_dapm_enable_pin(codec, "Line Jack");
		gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
		gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
		break;
	case SPITZ_HEADSET:
		/* enable and unmute headset jack enable mic bias, mute L hp */
		snd_soc_dapm_disable_pin(codec, "Headphone Jack");
		snd_soc_dapm_enable_pin(codec, "Mic Jack");
		snd_soc_dapm_disable_pin(codec, "Line Jack");
		snd_soc_dapm_enable_pin(codec, "Headset Jack");
		gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
		gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
		break;
	case SPITZ_HP_OFF:

		/* jack removed, everything off */
		snd_soc_dapm_disable_pin(codec, "Headphone Jack");
		snd_soc_dapm_disable_pin(codec, "Headset Jack");
		snd_soc_dapm_disable_pin(codec, "Mic Jack");
		snd_soc_dapm_disable_pin(codec, "Line Jack");
		gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
		gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
		break;
	}
	snd_soc_dapm_sync(codec);
}

static int spitz_startup(struct snd_pcm_substream *substream)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_codec *codec = rtd->socdev->card->codec;

	/* check the jack status at stream startup */
	spitz_ext_control(codec);
	return 0;
}

static int spitz_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;
	unsigned int clk = 0;
	int ret = 0;

	switch (params_rate(params)) {
	case 8000:
	case 16000:
	case 48000:
	case 96000:
		clk = 12288000;
		break;
	case 11025:
	case 22050:
	case 44100:
		clk = 11289600;
		break;
	}

	/* set codec DAI configuration */
	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
		SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
	if (ret < 0)
		return ret;

	/* set cpu DAI configuration */
	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
		SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
	if (ret < 0)
		return ret;

	/* set the codec system clock for DAC and ADC */
	ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk,
		SND_SOC_CLOCK_IN);
	if (ret < 0)
		return ret;

	/* set the I2S system clock as input (unused) */
	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
		SND_SOC_CLOCK_IN);
	if (ret < 0)
		return ret;

	return 0;
}

static struct snd_soc_ops spitz_ops = {
	.startup = spitz_startup,
	.hw_params = spitz_hw_params,
};

static int spitz_get_jack(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = spitz_jack_func;
	return 0;
}

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

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

	spitz_jack_func = ucontrol->value.integer.value[0];
	spitz_ext_control(codec);
	return 1;
}

static int spitz_get_spk(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = spitz_spk_func;
	return 0;
}

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

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

	spitz_spk_func = ucontrol->value.integer.value[0];
	spitz_ext_control(codec);
	return 1;
}

static int spitz_mic_bias(struct snd_soc_dapm_widget *w,
	struct snd_kcontrol *k, int event)
{
	if (machine_is_borzoi() || machine_is_spitz())
		gpio_set_value(SPITZ_GPIO_MIC_BIAS,
				SND_SOC_DAPM_EVENT_ON(event));

	if (machine_is_akita())
		gpio_set_value(AKITA_GPIO_MIC_BIAS,
				SND_SOC_DAPM_EVENT_ON(event));

	return 0;
}

/* spitz machine dapm widgets */
static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias),
	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	SND_SOC_DAPM_LINE("Line Jack", NULL),

	/* headset is a mic and mono headphone */
	SND_SOC_DAPM_HP("Headset Jack", NULL),
};

/* Spitz machine audio_map */
static const struct snd_soc_dapm_route audio_map[] = {

	/* headphone connected to LOUT1, ROUT1 */
	{"Headphone Jack", NULL, "LOUT1"},
	{"Headphone Jack", NULL, "ROUT1"},

	/* headset connected to ROUT1 and LINPUT1 with bias (def below) */
	{"Headset Jack", NULL, "ROUT1"},

	/* ext speaker connected to LOUT2, ROUT2  */
	{"Ext Spk", NULL , "ROUT2"},
	{"Ext Spk", NULL , "LOUT2"},

	/* mic is connected to input 1 - with bias */
	{"LINPUT1", NULL, "Mic Bias"},
	{"Mic Bias", NULL, "Mic Jack"},

	/* line is connected to input 1 - no bias */
	{"LINPUT1", NULL, "Line Jack"},
};

static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
	"Off"};
static const char *spk_function[] = {"On", "Off"};
static const struct soc_enum spitz_enum[] = {
	SOC_ENUM_SINGLE_EXT(5, jack_function),
	SOC_ENUM_SINGLE_EXT(2, spk_function),
};

static const struct snd_kcontrol_new wm8750_spitz_controls[] = {
	SOC_ENUM_EXT("Jack Function", spitz_enum[0], spitz_get_jack,
		spitz_set_jack),
	SOC_ENUM_EXT("Speaker Function", spitz_enum[1], spitz_get_spk,
		spitz_set_spk),
};

/*
 * Logic for a wm8750 as connected on a Sharp SL-Cxx00 Device
 */
static int spitz_wm8750_init(struct snd_soc_codec *codec)
{
	int err;

	/* NC codec pins */
	snd_soc_dapm_nc_pin(codec, "RINPUT1");
	snd_soc_dapm_nc_pin(codec, "LINPUT2");
	snd_soc_dapm_nc_pin(codec, "RINPUT2");
	snd_soc_dapm_nc_pin(codec, "LINPUT3");
	snd_soc_dapm_nc_pin(codec, "RINPUT3");
	snd_soc_dapm_nc_pin(codec, "OUT3");
	snd_soc_dapm_nc_pin(codec, "MONO1");

	/* Add spitz specific controls */
	err = snd_soc_add_controls(codec, wm8750_spitz_controls,
				ARRAY_SIZE(wm8750_spitz_controls));
	if (err < 0)
		return err;

	/* Add spitz specific widgets */
	snd_soc_dapm_new_controls(codec, wm8750_dapm_widgets,
				  ARRAY_SIZE(wm8750_dapm_widgets));

	/* Set up spitz specific audio paths */
	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));

	snd_soc_dapm_sync(codec);
	return 0;
}

/* spitz digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link spitz_dai = {
	.name = "wm8750",
	.stream_name = "WM8750",
	.cpu_dai = &pxa_i2s_dai,
	.codec_dai = &wm8750_dai,
	.init = spitz_wm8750_init,
	.ops = &spitz_ops,
};

/* spitz audio machine driver */
static struct snd_soc_card snd_soc_spitz = {
	.name = "Spitz",
	.platform = &pxa2xx_soc_platform,
	.dai_link = &spitz_dai,
	.num_links = 1,
};

/* spitz audio subsystem */
static struct snd_soc_device spitz_snd_devdata = {
	.card = &snd_soc_spitz,
	.codec_dev = &soc_codec_dev_wm8750,
};

static struct platform_device *spitz_snd_device;

static int __init spitz_init(void)
{
	int ret;

	if (!(machine_is_spitz() || machine_is_borzoi() || machine_is_akita()))
		return -ENODEV;

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

	platform_set_drvdata(spitz_snd_device, &spitz_snd_devdata);
	spitz_snd_devdata.dev = &spitz_snd_device->dev;
	ret = platform_device_add(spitz_snd_device);

	if (ret)
		platform_device_put(spitz_snd_device);

	return ret;
}

static void __exit spitz_exit(void)
{
	platform_device_unregister(spitz_snd_device);
}

module_init(spitz_init);
module_exit(spitz_exit);

MODULE_AUTHOR("Richard Purdie");
MODULE_DESCRIPTION("ALSA SoC Spitz");
MODULE_LICENSE("GPL");
Commit	Line	Data
7fb290d0 LG	1	/*
	2	* spitz.c -- SoC audio for Sharp SL-Cxx00 models Spitz, Borzoi and Akita
	3	*
	4	* Copyright 2005 Wolfson Microelectronics PLC.
	5	* Copyright 2005 Openedhand Ltd.
	6	*
d331124d	7	* Authors: Liam Girdwood <lrg@slimlogic.co.uk>
7fb290d0 LG	8	* Richard Purdie <richard@openedhand.com>
	9	*
	10	* This program is free software; you can redistribute it and/or modify it
	11	* under the terms of the GNU General Public License as published by the
	12	* Free Software Foundation; either version 2 of the License, or (at your
	13	* option) any later version.
	14	*
7fb290d0 LG	15	*/
	16
	17	#include <linux/module.h>
	18	#include <linux/moduleparam.h>
	19	#include <linux/timer.h>
	20	#include <linux/interrupt.h>
	21	#include <linux/platform_device.h>
fff14720	22	#include <linux/gpio.h>
7fb290d0 LG	23	#include <sound/core.h>
	24	#include <sound/pcm.h>
	25	#include <sound/soc.h>
	26	#include <sound/soc-dapm.h>
	27
	28	#include <asm/mach-types.h>
a09e64fb	29	#include <mach/spitz.h>
7fb290d0 LG	30	#include "../codecs/wm8750.h"
7fb290d0 LG	31	#include "pxa2xx-pcm.h"
97952f60	32	#include "pxa2xx-i2s.h"
7fb290d0 LG	33
	34	#define SPITZ_HP 0
	35	#define SPITZ_MIC 1
	36	#define SPITZ_LINE 2
	37	#define SPITZ_HEADSET 3
	38	#define SPITZ_HP_OFF 4
	39	#define SPITZ_SPK_ON 0
	40	#define SPITZ_SPK_OFF 1
	41
	42	/* audio clock in Hz - rounded from 12.235MHz */
	43	#define SPITZ_AUDIO_CLOCK 12288000
	44
	45	static int spitz_jack_func;
	46	static int spitz_spk_func;
	47
	48	static void spitz_ext_control(struct snd_soc_codec *codec)
	49	{
	50	if (spitz_spk_func == SPITZ_SPK_ON)
a5302181	51	snd_soc_dapm_enable_pin(codec, "Ext Spk");
7fb290d0	52	else
a5302181	53	snd_soc_dapm_disable_pin(codec, "Ext Spk");
7fb290d0 LG	54
	55	/* set up jack connection */
	56	switch (spitz_jack_func) {
	57	case SPITZ_HP:
	58	/* enable and unmute hp jack, disable mic bias */
a5302181 LG	59	snd_soc_dapm_disable_pin(codec, "Headset Jack");
	60	snd_soc_dapm_disable_pin(codec, "Mic Jack");
	61	snd_soc_dapm_disable_pin(codec, "Line Jack");
	62	snd_soc_dapm_enable_pin(codec, "Headphone Jack");
fff14720 EM	63	gpio_set_value(SPITZ_GPIO_MUTE_L, 1);
fff14720 EM	64	gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
7fb290d0 LG	65	break;
	66	case SPITZ_MIC:
	67	/* enable mic jack and bias, mute hp */
a5302181 LG	68	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	69	snd_soc_dapm_disable_pin(codec, "Headset Jack");
	70	snd_soc_dapm_disable_pin(codec, "Line Jack");
	71	snd_soc_dapm_enable_pin(codec, "Mic Jack");
fff14720 EM	72	gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
fff14720 EM	73	gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
7fb290d0 LG	74	break;
	75	case SPITZ_LINE:
	76	/* enable line jack, disable mic bias and mute hp */
a5302181 LG	77	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	78	snd_soc_dapm_disable_pin(codec, "Headset Jack");
	79	snd_soc_dapm_disable_pin(codec, "Mic Jack");
	80	snd_soc_dapm_enable_pin(codec, "Line Jack");
fff14720 EM	81	gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
fff14720 EM	82	gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
7fb290d0 LG	83	break;
	84	case SPITZ_HEADSET:
	85	/* enable and unmute headset jack enable mic bias, mute L hp */
a5302181 LG	86	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	87	snd_soc_dapm_enable_pin(codec, "Mic Jack");
	88	snd_soc_dapm_disable_pin(codec, "Line Jack");
	89	snd_soc_dapm_enable_pin(codec, "Headset Jack");
fff14720 EM	90	gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
fff14720 EM	91	gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
7fb290d0 LG	92	break;
	93	case SPITZ_HP_OFF:
	94
	95	/* jack removed, everything off */
a5302181 LG	96	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	97	snd_soc_dapm_disable_pin(codec, "Headset Jack");
	98	snd_soc_dapm_disable_pin(codec, "Mic Jack");
	99	snd_soc_dapm_disable_pin(codec, "Line Jack");
fff14720 EM	100	gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
fff14720 EM	101	gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
7fb290d0 LG	102	break;
7fb290d0 LG	103	}
a5302181	104	snd_soc_dapm_sync(codec);
7fb290d0 LG	105	}
	106
	107	static int spitz_startup(struct snd_pcm_substream *substream)
	108	{
	109	struct snd_soc_pcm_runtime *rtd = substream->private_data;
9e30d771	110	struct snd_soc_codec *codec = rtd->socdev->card->codec;
7fb290d0 LG	111
	112	/* check the jack status at stream startup */
	113	spitz_ext_control(codec);
	114	return 0;
	115	}
	116
97952f60 LG	117	static int spitz_hw_params(struct snd_pcm_substream *substream,
	118	struct snd_pcm_hw_params *params)
	119	{
	120	struct snd_soc_pcm_runtime *rtd = substream->private_data;
917f93ac LG	121	struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
917f93ac LG	122	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
97952f60 LG	123	unsigned int clk = 0;
	124	int ret = 0;
	125
	126	switch (params_rate(params)) {
	127	case 8000:
	128	case 16000:
	129	case 48000:
	130	case 96000:
	131	clk = 12288000;
	132	break;
	133	case 11025:
	134	case 22050:
	135	case 44100:
	136	clk = 11289600;
	137	break;
	138	}
	139
	140	/* set codec DAI configuration */
64105cfd	141	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S \|
97952f60 LG	142	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	143	if (ret < 0)
	144	return ret;
	145
	146	/* set cpu DAI configuration */
64105cfd	147	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S \|
97952f60 LG	148	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	149	if (ret < 0)
	150	return ret;
	151
	152	/* set the codec system clock for DAC and ADC */
64105cfd	153	ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk,
97952f60 LG	154	SND_SOC_CLOCK_IN);
	155	if (ret < 0)
	156	return ret;
	157
	158	/* set the I2S system clock as input (unused) */
64105cfd	159	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
97952f60 LG	160	SND_SOC_CLOCK_IN);
	161	if (ret < 0)
	162	return ret;
	163
	164	return 0;
	165	}
	166
7fb290d0 LG	167	static struct snd_soc_ops spitz_ops = {
7fb290d0 LG	168	.startup = spitz_startup,
97952f60	169	.hw_params = spitz_hw_params,
7fb290d0 LG	170	};
	171
	172	static int spitz_get_jack(struct snd_kcontrol *kcontrol,
	173	struct snd_ctl_elem_value *ucontrol)
	174	{
	175	ucontrol->value.integer.value[0] = spitz_jack_func;
	176	return 0;
	177	}
	178
	179	static int spitz_set_jack(struct snd_kcontrol *kcontrol,
	180	struct snd_ctl_elem_value *ucontrol)
	181	{
	182	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	183
	184	if (spitz_jack_func == ucontrol->value.integer.value[0])
	185	return 0;
	186
	187	spitz_jack_func = ucontrol->value.integer.value[0];
	188	spitz_ext_control(codec);
	189	return 1;
	190	}
	191
	192	static int spitz_get_spk(struct snd_kcontrol *kcontrol,
	193	struct snd_ctl_elem_value *ucontrol)
	194	{
	195	ucontrol->value.integer.value[0] = spitz_spk_func;
	196	return 0;
	197	}
	198
	199	static int spitz_set_spk(struct snd_kcontrol *kcontrol,
	200	struct snd_ctl_elem_value *ucontrol)
	201	{
	202	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	203
	204	if (spitz_spk_func == ucontrol->value.integer.value[0])
	205	return 0;
	206
	207	spitz_spk_func = ucontrol->value.integer.value[0];
	208	spitz_ext_control(codec);
	209	return 1;
	210	}
	211
338c7ed0 JN	212	static int spitz_mic_bias(struct snd_soc_dapm_widget *w,
338c7ed0 JN	213	struct snd_kcontrol *k, int event)
7fb290d0	214	{
fff14720 EM	215	if (machine_is_borzoi() \|\| machine_is_spitz())
	216	gpio_set_value(SPITZ_GPIO_MIC_BIAS,
	217	SND_SOC_DAPM_EVENT_ON(event));
7fb290d0	218
f72de663 EM	219	if (machine_is_akita())
	220	gpio_set_value(AKITA_GPIO_MIC_BIAS,
	221	SND_SOC_DAPM_EVENT_ON(event));
7fb290d0	222
7fb290d0 LG	223	return 0;
	224	}
	225
	226	/* spitz machine dapm widgets */
	227	static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
	228	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	229	SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias),
	230	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	231	SND_SOC_DAPM_LINE("Line Jack", NULL),
	232
	233	/* headset is a mic and mono headphone */
	234	SND_SOC_DAPM_HP("Headset Jack", NULL),
	235	};
	236
	237	/* Spitz machine audio_map */
25191c45	238	static const struct snd_soc_dapm_route audio_map[] = {
7fb290d0 LG	239
	240	/* headphone connected to LOUT1, ROUT1 */
	241	{"Headphone Jack", NULL, "LOUT1"},
	242	{"Headphone Jack", NULL, "ROUT1"},
	243
	244	/* headset connected to ROUT1 and LINPUT1 with bias (def below) */
	245	{"Headset Jack", NULL, "ROUT1"},
	246
	247	/* ext speaker connected to LOUT2, ROUT2 */
	248	{"Ext Spk", NULL , "ROUT2"},
	249	{"Ext Spk", NULL , "LOUT2"},
	250
	251	/* mic is connected to input 1 - with bias */
	252	{"LINPUT1", NULL, "Mic Bias"},
	253	{"Mic Bias", NULL, "Mic Jack"},
	254
	255	/* line is connected to input 1 - no bias */
	256	{"LINPUT1", NULL, "Line Jack"},
7fb290d0 LG	257	};
	258
	259	static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
	260	"Off"};
	261	static const char *spk_function[] = {"On", "Off"};
	262	static const struct soc_enum spitz_enum[] = {
	263	SOC_ENUM_SINGLE_EXT(5, jack_function),
	264	SOC_ENUM_SINGLE_EXT(2, spk_function),
	265	};
	266
	267	static const struct snd_kcontrol_new wm8750_spitz_controls[] = {
	268	SOC_ENUM_EXT("Jack Function", spitz_enum[0], spitz_get_jack,
	269	spitz_set_jack),
	270	SOC_ENUM_EXT("Speaker Function", spitz_enum[1], spitz_get_spk,
	271	spitz_set_spk),
	272	};
	273
	274	/*
	275	* Logic for a wm8750 as connected on a Sharp SL-Cxx00 Device
	276	*/
	277	static int spitz_wm8750_init(struct snd_soc_codec *codec)
	278	{
eb5f6d75	279	int err;
7fb290d0 LG	280
7fb290d0 LG	281	/* NC codec pins */
35f5e54d MB	282	snd_soc_dapm_nc_pin(codec, "RINPUT1");
	283	snd_soc_dapm_nc_pin(codec, "LINPUT2");
	284	snd_soc_dapm_nc_pin(codec, "RINPUT2");
	285	snd_soc_dapm_nc_pin(codec, "LINPUT3");
	286	snd_soc_dapm_nc_pin(codec, "RINPUT3");
	287	snd_soc_dapm_nc_pin(codec, "OUT3");
	288	snd_soc_dapm_nc_pin(codec, "MONO1");
7fb290d0 LG	289
7fb290d0 LG	290	/* Add spitz specific controls */
eb5f6d75 PZ	291	err = snd_soc_add_controls(codec, wm8750_spitz_controls,
	292	ARRAY_SIZE(wm8750_spitz_controls));
	293	if (err < 0)
	294	return err;
7fb290d0 LG	295
7fb290d0 LG	296	/* Add spitz specific widgets */
25191c45 MB	297	snd_soc_dapm_new_controls(codec, wm8750_dapm_widgets,
25191c45 MB	298	ARRAY_SIZE(wm8750_dapm_widgets));
7fb290d0	299
25191c45 MB	300	/* Set up spitz specific audio paths */
25191c45 MB	301	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
7fb290d0	302
a5302181	303	snd_soc_dapm_sync(codec);
7fb290d0 LG	304	return 0;
	305	}
	306
7fb290d0 LG	307	/* spitz digital audio interface glue - connects codec <--> CPU */
	308	static struct snd_soc_dai_link spitz_dai = {
	309	.name = "wm8750",
	310	.stream_name = "WM8750",
	311	.cpu_dai = &pxa_i2s_dai,
	312	.codec_dai = &wm8750_dai,
	313	.init = spitz_wm8750_init,
97952f60	314	.ops = &spitz_ops,
7fb290d0 LG	315	};
	316
	317	/* spitz audio machine driver */
87506549	318	static struct snd_soc_card snd_soc_spitz = {
7fb290d0	319	.name = "Spitz",
87689d56	320	.platform = &pxa2xx_soc_platform,
7fb290d0 LG	321	.dai_link = &spitz_dai,
7fb290d0 LG	322	.num_links = 1,
7fb290d0 LG	323	};
7fb290d0 LG	324
7fb290d0 LG	325	/* spitz audio subsystem */
7fb290d0 LG	326	static struct snd_soc_device spitz_snd_devdata = {
87506549	327	.card = &snd_soc_spitz,
7fb290d0	328	.codec_dev = &soc_codec_dev_wm8750,
7fb290d0 LG	329	};
	330
	331	static struct platform_device *spitz_snd_device;
	332
	333	static int __init spitz_init(void)
	334	{
	335	int ret;
	336
	337	if (!(machine_is_spitz() \|\| machine_is_borzoi() \|\| machine_is_akita()))
	338	return -ENODEV;
	339
	340	spitz_snd_device = platform_device_alloc("soc-audio", -1);
	341	if (!spitz_snd_device)
	342	return -ENOMEM;
	343
	344	platform_set_drvdata(spitz_snd_device, &spitz_snd_devdata);
	345	spitz_snd_devdata.dev = &spitz_snd_device->dev;
	346	ret = platform_device_add(spitz_snd_device);
	347
	348	if (ret)
	349	platform_device_put(spitz_snd_device);
	350
	351	return ret;
	352	}
	353
	354	static void __exit spitz_exit(void)
	355	{
	356	platform_device_unregister(spitz_snd_device);
	357	}
	358
	359	module_init(spitz_init);
	360	module_exit(spitz_exit);
	361
	362	MODULE_AUTHOR("Richard Purdie");
	363	MODULE_DESCRIPTION("ALSA SoC Spitz");
	364	MODULE_LICENSE("GPL");