[deliverable/linux.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/pxa-regs.h>
#include <mach/hardware.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->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 i, 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 */
	for (i = 0; i < ARRAY_SIZE(wm8750_spitz_controls); i++) {
		err = snd_ctl_add(codec->card,
			snd_soc_cnew(&wm8750_spitz_controls[i], codec, NULL));
		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",
	.dai_link = &spitz_dai,
	.num_links = 1,
};

/* spitz audio private data */
static struct wm8750_setup_data spitz_wm8750_setup = {
	.i2c_bus = 0,
	.i2c_address = 0x1b,
};

/* spitz audio subsystem */
static struct snd_soc_device spitz_snd_devdata = {
	.card = &snd_soc_spitz,
	.platform = &pxa2xx_soc_platform,
	.codec_dev = &soc_codec_dev_wm8750,
	.codec_data = &spitz_wm8750_setup,
};

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 RK	29	#include <mach/pxa-regs.h>
a09e64fb RK	30	#include <mach/hardware.h>
a09e64fb	31	#include <mach/spitz.h>
7fb290d0 LG	32	#include "../codecs/wm8750.h"
7fb290d0 LG	33	#include "pxa2xx-pcm.h"
97952f60	34	#include "pxa2xx-i2s.h"
7fb290d0 LG	35
	36	#define SPITZ_HP 0
	37	#define SPITZ_MIC 1
	38	#define SPITZ_LINE 2
	39	#define SPITZ_HEADSET 3
	40	#define SPITZ_HP_OFF 4
	41	#define SPITZ_SPK_ON 0
	42	#define SPITZ_SPK_OFF 1
	43
	44	/* audio clock in Hz - rounded from 12.235MHz */
	45	#define SPITZ_AUDIO_CLOCK 12288000
	46
	47	static int spitz_jack_func;
	48	static int spitz_spk_func;
	49
	50	static void spitz_ext_control(struct snd_soc_codec *codec)
	51	{
	52	if (spitz_spk_func == SPITZ_SPK_ON)
a5302181	53	snd_soc_dapm_enable_pin(codec, "Ext Spk");
7fb290d0	54	else
a5302181	55	snd_soc_dapm_disable_pin(codec, "Ext Spk");
7fb290d0 LG	56
	57	/* set up jack connection */
	58	switch (spitz_jack_func) {
	59	case SPITZ_HP:
	60	/* enable and unmute hp jack, disable mic bias */
a5302181 LG	61	snd_soc_dapm_disable_pin(codec, "Headset Jack");
	62	snd_soc_dapm_disable_pin(codec, "Mic Jack");
	63	snd_soc_dapm_disable_pin(codec, "Line Jack");
	64	snd_soc_dapm_enable_pin(codec, "Headphone Jack");
fff14720 EM	65	gpio_set_value(SPITZ_GPIO_MUTE_L, 1);
fff14720 EM	66	gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
7fb290d0 LG	67	break;
	68	case SPITZ_MIC:
	69	/* enable mic jack and bias, mute hp */
a5302181 LG	70	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	71	snd_soc_dapm_disable_pin(codec, "Headset Jack");
	72	snd_soc_dapm_disable_pin(codec, "Line Jack");
	73	snd_soc_dapm_enable_pin(codec, "Mic Jack");
fff14720 EM	74	gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
fff14720 EM	75	gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
7fb290d0 LG	76	break;
	77	case SPITZ_LINE:
	78	/* enable line jack, disable mic bias and mute hp */
a5302181 LG	79	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	80	snd_soc_dapm_disable_pin(codec, "Headset Jack");
	81	snd_soc_dapm_disable_pin(codec, "Mic Jack");
	82	snd_soc_dapm_enable_pin(codec, "Line Jack");
fff14720 EM	83	gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
fff14720 EM	84	gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
7fb290d0 LG	85	break;
	86	case SPITZ_HEADSET:
	87	/* enable and unmute headset jack enable mic bias, mute L hp */
a5302181 LG	88	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	89	snd_soc_dapm_enable_pin(codec, "Mic Jack");
	90	snd_soc_dapm_disable_pin(codec, "Line Jack");
	91	snd_soc_dapm_enable_pin(codec, "Headset Jack");
fff14720 EM	92	gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
fff14720 EM	93	gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
7fb290d0 LG	94	break;
	95	case SPITZ_HP_OFF:
	96
	97	/* jack removed, everything off */
a5302181 LG	98	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	99	snd_soc_dapm_disable_pin(codec, "Headset Jack");
	100	snd_soc_dapm_disable_pin(codec, "Mic Jack");
	101	snd_soc_dapm_disable_pin(codec, "Line Jack");
fff14720 EM	102	gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
fff14720 EM	103	gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
7fb290d0 LG	104	break;
7fb290d0 LG	105	}
a5302181	106	snd_soc_dapm_sync(codec);
7fb290d0 LG	107	}
	108
	109	static int spitz_startup(struct snd_pcm_substream *substream)
	110	{
	111	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	112	struct snd_soc_codec *codec = rtd->socdev->codec;
	113
	114	/* check the jack status at stream startup */
	115	spitz_ext_control(codec);
	116	return 0;
	117	}
	118
97952f60 LG	119	static int spitz_hw_params(struct snd_pcm_substream *substream,
	120	struct snd_pcm_hw_params *params)
	121	{
	122	struct snd_soc_pcm_runtime *rtd = substream->private_data;
917f93ac LG	123	struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
917f93ac LG	124	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
97952f60 LG	125	unsigned int clk = 0;
	126	int ret = 0;
	127
	128	switch (params_rate(params)) {
	129	case 8000:
	130	case 16000:
	131	case 48000:
	132	case 96000:
	133	clk = 12288000;
	134	break;
	135	case 11025:
	136	case 22050:
	137	case 44100:
	138	clk = 11289600;
	139	break;
	140	}
	141
	142	/* set codec DAI configuration */
64105cfd	143	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S \|
97952f60 LG	144	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	145	if (ret < 0)
	146	return ret;
	147
	148	/* set cpu DAI configuration */
64105cfd	149	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S \|
97952f60 LG	150	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	151	if (ret < 0)
	152	return ret;
	153
	154	/* set the codec system clock for DAC and ADC */
64105cfd	155	ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk,
97952f60 LG	156	SND_SOC_CLOCK_IN);
	157	if (ret < 0)
	158	return ret;
	159
	160	/* set the I2S system clock as input (unused) */
64105cfd	161	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
97952f60 LG	162	SND_SOC_CLOCK_IN);
	163	if (ret < 0)
	164	return ret;
	165
	166	return 0;
	167	}
	168
7fb290d0 LG	169	static struct snd_soc_ops spitz_ops = {
7fb290d0 LG	170	.startup = spitz_startup,
97952f60	171	.hw_params = spitz_hw_params,
7fb290d0 LG	172	};
	173
	174	static int spitz_get_jack(struct snd_kcontrol *kcontrol,
	175	struct snd_ctl_elem_value *ucontrol)
	176	{
	177	ucontrol->value.integer.value[0] = spitz_jack_func;
	178	return 0;
	179	}
	180
	181	static int spitz_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 (spitz_jack_func == ucontrol->value.integer.value[0])
	187	return 0;
	188
	189	spitz_jack_func = ucontrol->value.integer.value[0];
	190	spitz_ext_control(codec);
	191	return 1;
	192	}
	193
	194	static int spitz_get_spk(struct snd_kcontrol *kcontrol,
	195	struct snd_ctl_elem_value *ucontrol)
	196	{
	197	ucontrol->value.integer.value[0] = spitz_spk_func;
	198	return 0;
	199	}
	200
	201	static int spitz_set_spk(struct snd_kcontrol *kcontrol,
	202	struct snd_ctl_elem_value *ucontrol)
	203	{
	204	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	205
	206	if (spitz_spk_func == ucontrol->value.integer.value[0])
	207	return 0;
	208
	209	spitz_spk_func = ucontrol->value.integer.value[0];
	210	spitz_ext_control(codec);
	211	return 1;
	212	}
	213
338c7ed0 JN	214	static int spitz_mic_bias(struct snd_soc_dapm_widget *w,
338c7ed0 JN	215	struct snd_kcontrol *k, int event)
7fb290d0	216	{
fff14720 EM	217	if (machine_is_borzoi() \|\| machine_is_spitz())
	218	gpio_set_value(SPITZ_GPIO_MIC_BIAS,
	219	SND_SOC_DAPM_EVENT_ON(event));
7fb290d0	220
f72de663 EM	221	if (machine_is_akita())
	222	gpio_set_value(AKITA_GPIO_MIC_BIAS,
	223	SND_SOC_DAPM_EVENT_ON(event));
7fb290d0	224
7fb290d0 LG	225	return 0;
	226	}
	227
	228	/* spitz machine dapm widgets */
	229	static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
	230	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	231	SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias),
	232	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	233	SND_SOC_DAPM_LINE("Line Jack", NULL),
	234
	235	/* headset is a mic and mono headphone */
	236	SND_SOC_DAPM_HP("Headset Jack", NULL),
	237	};
	238
	239	/* Spitz machine audio_map */
25191c45	240	static const struct snd_soc_dapm_route audio_map[] = {
7fb290d0 LG	241
	242	/* headphone connected to LOUT1, ROUT1 */
	243	{"Headphone Jack", NULL, "LOUT1"},
	244	{"Headphone Jack", NULL, "ROUT1"},
	245
	246	/* headset connected to ROUT1 and LINPUT1 with bias (def below) */
	247	{"Headset Jack", NULL, "ROUT1"},
	248
	249	/* ext speaker connected to LOUT2, ROUT2 */
	250	{"Ext Spk", NULL , "ROUT2"},
	251	{"Ext Spk", NULL , "LOUT2"},
	252
	253	/* mic is connected to input 1 - with bias */
	254	{"LINPUT1", NULL, "Mic Bias"},
	255	{"Mic Bias", NULL, "Mic Jack"},
	256
	257	/* line is connected to input 1 - no bias */
	258	{"LINPUT1", NULL, "Line Jack"},
7fb290d0 LG	259	};
	260
	261	static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
	262	"Off"};
	263	static const char *spk_function[] = {"On", "Off"};
	264	static const struct soc_enum spitz_enum[] = {
	265	SOC_ENUM_SINGLE_EXT(5, jack_function),
	266	SOC_ENUM_SINGLE_EXT(2, spk_function),
	267	};
	268
	269	static const struct snd_kcontrol_new wm8750_spitz_controls[] = {
	270	SOC_ENUM_EXT("Jack Function", spitz_enum[0], spitz_get_jack,
	271	spitz_set_jack),
	272	SOC_ENUM_EXT("Speaker Function", spitz_enum[1], spitz_get_spk,
	273	spitz_set_spk),
	274	};
	275
	276	/*
	277	* Logic for a wm8750 as connected on a Sharp SL-Cxx00 Device
	278	*/
	279	static int spitz_wm8750_init(struct snd_soc_codec *codec)
	280	{
	281	int i, err;
	282
	283	/* NC codec pins */
35f5e54d MB	284	snd_soc_dapm_nc_pin(codec, "RINPUT1");
	285	snd_soc_dapm_nc_pin(codec, "LINPUT2");
	286	snd_soc_dapm_nc_pin(codec, "RINPUT2");
	287	snd_soc_dapm_nc_pin(codec, "LINPUT3");
	288	snd_soc_dapm_nc_pin(codec, "RINPUT3");
	289	snd_soc_dapm_nc_pin(codec, "OUT3");
	290	snd_soc_dapm_nc_pin(codec, "MONO1");
7fb290d0 LG	291
	292	/* Add spitz specific controls */
	293	for (i = 0; i < ARRAY_SIZE(wm8750_spitz_controls); i++) {
	294	err = snd_ctl_add(codec->card,
	295	snd_soc_cnew(&wm8750_spitz_controls[i], codec, NULL));
	296	if (err < 0)
	297	return err;
	298	}
	299
	300	/* Add spitz specific widgets */
25191c45 MB	301	snd_soc_dapm_new_controls(codec, wm8750_dapm_widgets,
25191c45 MB	302	ARRAY_SIZE(wm8750_dapm_widgets));
7fb290d0	303
25191c45 MB	304	/* Set up spitz specific audio paths */
25191c45 MB	305	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
7fb290d0	306
a5302181	307	snd_soc_dapm_sync(codec);
7fb290d0 LG	308	return 0;
	309	}
	310
7fb290d0 LG	311	/* spitz digital audio interface glue - connects codec <--> CPU */
	312	static struct snd_soc_dai_link spitz_dai = {
	313	.name = "wm8750",
	314	.stream_name = "WM8750",
	315	.cpu_dai = &pxa_i2s_dai,
	316	.codec_dai = &wm8750_dai,
	317	.init = spitz_wm8750_init,
97952f60	318	.ops = &spitz_ops,
7fb290d0 LG	319	};
	320
	321	/* spitz audio machine driver */
87506549	322	static struct snd_soc_card snd_soc_spitz = {
7fb290d0 LG	323	.name = "Spitz",
	324	.dai_link = &spitz_dai,
	325	.num_links = 1,
7fb290d0 LG	326	};
	327
	328	/* spitz audio private data */
	329	static struct wm8750_setup_data spitz_wm8750_setup = {
ee1d0099	330	.i2c_bus = 0,
7fb290d0 LG	331	.i2c_address = 0x1b,
	332	};
	333
	334	/* spitz audio subsystem */
	335	static struct snd_soc_device spitz_snd_devdata = {
87506549	336	.card = &snd_soc_spitz,
7fb290d0 LG	337	.platform = &pxa2xx_soc_platform,
	338	.codec_dev = &soc_codec_dev_wm8750,
	339	.codec_data = &spitz_wm8750_setup,
	340	};
	341
	342	static struct platform_device *spitz_snd_device;
	343
	344	static int __init spitz_init(void)
	345	{
	346	int ret;
	347
	348	if (!(machine_is_spitz() \|\| machine_is_borzoi() \|\| machine_is_akita()))
	349	return -ENODEV;
	350
	351	spitz_snd_device = platform_device_alloc("soc-audio", -1);
	352	if (!spitz_snd_device)
	353	return -ENOMEM;
	354
	355	platform_set_drvdata(spitz_snd_device, &spitz_snd_devdata);
	356	spitz_snd_devdata.dev = &spitz_snd_device->dev;
	357	ret = platform_device_add(spitz_snd_device);
	358
	359	if (ret)
	360	platform_device_put(spitz_snd_device);
	361
	362	return ret;
	363	}
	364
	365	static void __exit spitz_exit(void)
	366	{
	367	platform_device_unregister(spitz_snd_device);
	368	}
	369
	370	module_init(spitz_init);
	371	module_exit(spitz_exit);
	372
	373	MODULE_AUTHOR("Richard Purdie");
	374	MODULE_DESCRIPTION("ALSA SoC Spitz");
	375	MODULE_LICENSE("GPL");