[GitHub/mt8127/android_kernel_alcatel_ttab.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 <liam.girdwood@wolfsonmicro.com>
 *          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 <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>

#include <asm/mach-types.h>
#include <asm/hardware/scoop.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/hardware.h>
#include <asm/arch/akita.h>
#include <asm/arch/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");
		set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
		set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
		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");
		reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
		reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
		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");
		reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
		reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
		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");
		reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
		set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
		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");
		reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
		reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
		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()) {
		if (SND_SOC_DAPM_EVENT_ON(event))
			set_scoop_gpio(&spitzscoop2_device.dev,
				SPITZ_SCP2_MIC_BIAS);
		else
			reset_scoop_gpio(&spitzscoop2_device.dev,
				SPITZ_SCP2_MIC_BIAS);
	}

	if (machine_is_akita()) {
		if (SND_SOC_DAPM_EVENT_ON(event))
			akita_set_ioexp(&akitaioexp_device.dev,
				AKITA_IOEXP_MIC_BIAS);
		else
			akita_reset_ioexp(&akitaioexp_device.dev,
				AKITA_IOEXP_MIC_BIAS);
	}
	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_disable_pin(codec, "RINPUT1");
	snd_soc_dapm_disable_pin(codec, "LINPUT2");
	snd_soc_dapm_disable_pin(codec, "RINPUT2");
	snd_soc_dapm_disable_pin(codec, "LINPUT3");
	snd_soc_dapm_disable_pin(codec, "RINPUT3");
	snd_soc_dapm_disable_pin(codec, "OUT3");
	snd_soc_dapm_disable_pin(codec, "MONO");

	/* 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_machine snd_soc_machine_spitz = {
	.name = "Spitz",
	.dai_link = &spitz_dai,
	.num_links = 1,
};

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

/* spitz audio subsystem */
static struct snd_soc_device spitz_snd_devdata = {
	.machine = &snd_soc_machine_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	*
	7	* Authors: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
	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>
7fb290d0 LG	22	#include <sound/core.h>
	23	#include <sound/pcm.h>
	24	#include <sound/soc.h>
	25	#include <sound/soc-dapm.h>
	26
	27	#include <asm/mach-types.h>
	28	#include <asm/hardware/scoop.h>
	29	#include <asm/arch/pxa-regs.h>
	30	#include <asm/arch/hardware.h>
	31	#include <asm/arch/akita.h>
	32	#include <asm/arch/spitz.h>
7fb290d0 LG	33	#include "../codecs/wm8750.h"
7fb290d0 LG	34	#include "pxa2xx-pcm.h"
97952f60	35	#include "pxa2xx-i2s.h"
7fb290d0 LG	36
	37	#define SPITZ_HP 0
	38	#define SPITZ_MIC 1
	39	#define SPITZ_LINE 2
	40	#define SPITZ_HEADSET 3
	41	#define SPITZ_HP_OFF 4
	42	#define SPITZ_SPK_ON 0
	43	#define SPITZ_SPK_OFF 1
	44
	45	/* audio clock in Hz - rounded from 12.235MHz */
	46	#define SPITZ_AUDIO_CLOCK 12288000
	47
	48	static int spitz_jack_func;
	49	static int spitz_spk_func;
	50
	51	static void spitz_ext_control(struct snd_soc_codec *codec)
	52	{
	53	if (spitz_spk_func == SPITZ_SPK_ON)
a5302181	54	snd_soc_dapm_enable_pin(codec, "Ext Spk");
7fb290d0	55	else
a5302181	56	snd_soc_dapm_disable_pin(codec, "Ext Spk");
7fb290d0 LG	57
	58	/* set up jack connection */
	59	switch (spitz_jack_func) {
	60	case SPITZ_HP:
	61	/* enable and unmute hp jack, disable mic bias */
a5302181 LG	62	snd_soc_dapm_disable_pin(codec, "Headset Jack");
	63	snd_soc_dapm_disable_pin(codec, "Mic Jack");
	64	snd_soc_dapm_disable_pin(codec, "Line Jack");
	65	snd_soc_dapm_enable_pin(codec, "Headphone Jack");
7fb290d0 LG	66	set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
	67	set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
	68	break;
	69	case SPITZ_MIC:
	70	/* enable mic jack and bias, mute hp */
a5302181 LG	71	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	72	snd_soc_dapm_disable_pin(codec, "Headset Jack");
	73	snd_soc_dapm_disable_pin(codec, "Line Jack");
	74	snd_soc_dapm_enable_pin(codec, "Mic Jack");
7fb290d0 LG	75	reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
	76	reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
	77	break;
	78	case SPITZ_LINE:
	79	/* enable line jack, disable mic bias and mute hp */
a5302181 LG	80	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	81	snd_soc_dapm_disable_pin(codec, "Headset Jack");
	82	snd_soc_dapm_disable_pin(codec, "Mic Jack");
	83	snd_soc_dapm_enable_pin(codec, "Line Jack");
7fb290d0 LG	84	reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
	85	reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
	86	break;
	87	case SPITZ_HEADSET:
	88	/* enable and unmute headset jack enable mic bias, mute L hp */
a5302181 LG	89	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	90	snd_soc_dapm_enable_pin(codec, "Mic Jack");
	91	snd_soc_dapm_disable_pin(codec, "Line Jack");
	92	snd_soc_dapm_enable_pin(codec, "Headset Jack");
7fb290d0 LG	93	reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
	94	set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
	95	break;
	96	case SPITZ_HP_OFF:
	97
	98	/* jack removed, everything off */
a5302181 LG	99	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	100	snd_soc_dapm_disable_pin(codec, "Headset Jack");
	101	snd_soc_dapm_disable_pin(codec, "Mic Jack");
	102	snd_soc_dapm_disable_pin(codec, "Line Jack");
7fb290d0 LG	103	reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
	104	reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
	105	break;
	106	}
a5302181	107	snd_soc_dapm_sync(codec);
7fb290d0 LG	108	}
	109
	110	static int spitz_startup(struct snd_pcm_substream *substream)
	111	{
	112	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	113	struct snd_soc_codec *codec = rtd->socdev->codec;
	114
	115	/* check the jack status at stream startup */
	116	spitz_ext_control(codec);
	117	return 0;
	118	}
	119
97952f60 LG	120	static int spitz_hw_params(struct snd_pcm_substream *substream,
	121	struct snd_pcm_hw_params *params)
	122	{
	123	struct snd_soc_pcm_runtime *rtd = substream->private_data;
917f93ac LG	124	struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
917f93ac LG	125	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
97952f60 LG	126	unsigned int clk = 0;
	127	int ret = 0;
	128
	129	switch (params_rate(params)) {
	130	case 8000:
	131	case 16000:
	132	case 48000:
	133	case 96000:
	134	clk = 12288000;
	135	break;
	136	case 11025:
	137	case 22050:
	138	case 44100:
	139	clk = 11289600;
	140	break;
	141	}
	142
	143	/* set codec DAI configuration */
64105cfd	144	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S \|
97952f60 LG	145	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	146	if (ret < 0)
	147	return ret;
	148
	149	/* set cpu DAI configuration */
64105cfd	150	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S \|
97952f60 LG	151	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	152	if (ret < 0)
	153	return ret;
	154
	155	/* set the codec system clock for DAC and ADC */
64105cfd	156	ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk,
97952f60 LG	157	SND_SOC_CLOCK_IN);
	158	if (ret < 0)
	159	return ret;
	160
	161	/* set the I2S system clock as input (unused) */
64105cfd	162	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
97952f60 LG	163	SND_SOC_CLOCK_IN);
	164	if (ret < 0)
	165	return ret;
	166
	167	return 0;
	168	}
	169
7fb290d0 LG	170	static struct snd_soc_ops spitz_ops = {
7fb290d0 LG	171	.startup = spitz_startup,
97952f60	172	.hw_params = spitz_hw_params,
7fb290d0 LG	173	};
	174
	175	static int spitz_get_jack(struct snd_kcontrol *kcontrol,
	176	struct snd_ctl_elem_value *ucontrol)
	177	{
	178	ucontrol->value.integer.value[0] = spitz_jack_func;
	179	return 0;
	180	}
	181
	182	static int spitz_set_jack(struct snd_kcontrol *kcontrol,
	183	struct snd_ctl_elem_value *ucontrol)
	184	{
	185	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	186
	187	if (spitz_jack_func == ucontrol->value.integer.value[0])
	188	return 0;
	189
	190	spitz_jack_func = ucontrol->value.integer.value[0];
	191	spitz_ext_control(codec);
	192	return 1;
	193	}
	194
	195	static int spitz_get_spk(struct snd_kcontrol *kcontrol,
	196	struct snd_ctl_elem_value *ucontrol)
	197	{
	198	ucontrol->value.integer.value[0] = spitz_spk_func;
	199	return 0;
	200	}
	201
	202	static int spitz_set_spk(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 (spitz_spk_func == ucontrol->value.integer.value[0])
	208	return 0;
	209
	210	spitz_spk_func = ucontrol->value.integer.value[0];
	211	spitz_ext_control(codec);
	212	return 1;
	213	}
	214
338c7ed0 JN	215	static int spitz_mic_bias(struct snd_soc_dapm_widget *w,
338c7ed0 JN	216	struct snd_kcontrol *k, int event)
7fb290d0 LG	217	{
	218	if (machine_is_borzoi() \|\| machine_is_spitz()) {
	219	if (SND_SOC_DAPM_EVENT_ON(event))
	220	set_scoop_gpio(&spitzscoop2_device.dev,
	221	SPITZ_SCP2_MIC_BIAS);
	222	else
	223	reset_scoop_gpio(&spitzscoop2_device.dev,
	224	SPITZ_SCP2_MIC_BIAS);
	225	}
	226
	227	if (machine_is_akita()) {
	228	if (SND_SOC_DAPM_EVENT_ON(event))
	229	akita_set_ioexp(&akitaioexp_device.dev,
	230	AKITA_IOEXP_MIC_BIAS);
	231	else
	232	akita_reset_ioexp(&akitaioexp_device.dev,
	233	AKITA_IOEXP_MIC_BIAS);
	234	}
	235	return 0;
	236	}
	237
	238	/* spitz machine dapm widgets */
	239	static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
	240	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	241	SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias),
	242	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	243	SND_SOC_DAPM_LINE("Line Jack", NULL),
	244
	245	/* headset is a mic and mono headphone */
	246	SND_SOC_DAPM_HP("Headset Jack", NULL),
	247	};
	248
	249	/* Spitz machine audio_map */
25191c45	250	static const struct snd_soc_dapm_route audio_map[] = {
7fb290d0 LG	251
	252	/* headphone connected to LOUT1, ROUT1 */
	253	{"Headphone Jack", NULL, "LOUT1"},
	254	{"Headphone Jack", NULL, "ROUT1"},
	255
	256	/* headset connected to ROUT1 and LINPUT1 with bias (def below) */
	257	{"Headset Jack", NULL, "ROUT1"},
	258
	259	/* ext speaker connected to LOUT2, ROUT2 */
	260	{"Ext Spk", NULL , "ROUT2"},
	261	{"Ext Spk", NULL , "LOUT2"},
	262
	263	/* mic is connected to input 1 - with bias */
	264	{"LINPUT1", NULL, "Mic Bias"},
	265	{"Mic Bias", NULL, "Mic Jack"},
	266
	267	/* line is connected to input 1 - no bias */
	268	{"LINPUT1", NULL, "Line Jack"},
7fb290d0 LG	269	};
	270
	271	static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
	272	"Off"};
	273	static const char *spk_function[] = {"On", "Off"};
	274	static const struct soc_enum spitz_enum[] = {
	275	SOC_ENUM_SINGLE_EXT(5, jack_function),
	276	SOC_ENUM_SINGLE_EXT(2, spk_function),
	277	};
	278
	279	static const struct snd_kcontrol_new wm8750_spitz_controls[] = {
	280	SOC_ENUM_EXT("Jack Function", spitz_enum[0], spitz_get_jack,
	281	spitz_set_jack),
	282	SOC_ENUM_EXT("Speaker Function", spitz_enum[1], spitz_get_spk,
	283	spitz_set_spk),
	284	};
	285
	286	/*
	287	* Logic for a wm8750 as connected on a Sharp SL-Cxx00 Device
	288	*/
	289	static int spitz_wm8750_init(struct snd_soc_codec *codec)
	290	{
	291	int i, err;
	292
	293	/* NC codec pins */
a5302181 LG	294	snd_soc_dapm_disable_pin(codec, "RINPUT1");
	295	snd_soc_dapm_disable_pin(codec, "LINPUT2");
	296	snd_soc_dapm_disable_pin(codec, "RINPUT2");
	297	snd_soc_dapm_disable_pin(codec, "LINPUT3");
	298	snd_soc_dapm_disable_pin(codec, "RINPUT3");
	299	snd_soc_dapm_disable_pin(codec, "OUT3");
	300	snd_soc_dapm_disable_pin(codec, "MONO");
7fb290d0 LG	301
	302	/* Add spitz specific controls */
	303	for (i = 0; i < ARRAY_SIZE(wm8750_spitz_controls); i++) {
	304	err = snd_ctl_add(codec->card,
	305	snd_soc_cnew(&wm8750_spitz_controls[i], codec, NULL));
	306	if (err < 0)
	307	return err;
	308	}
	309
	310	/* Add spitz specific widgets */
25191c45 MB	311	snd_soc_dapm_new_controls(codec, wm8750_dapm_widgets,
25191c45 MB	312	ARRAY_SIZE(wm8750_dapm_widgets));
7fb290d0	313
25191c45 MB	314	/* Set up spitz specific audio paths */
25191c45 MB	315	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
7fb290d0	316
a5302181	317	snd_soc_dapm_sync(codec);
7fb290d0 LG	318	return 0;
	319	}
	320
7fb290d0 LG	321	/* spitz digital audio interface glue - connects codec <--> CPU */
	322	static struct snd_soc_dai_link spitz_dai = {
	323	.name = "wm8750",
	324	.stream_name = "WM8750",
	325	.cpu_dai = &pxa_i2s_dai,
	326	.codec_dai = &wm8750_dai,
	327	.init = spitz_wm8750_init,
97952f60	328	.ops = &spitz_ops,
7fb290d0 LG	329	};
	330
	331	/* spitz audio machine driver */
	332	static struct snd_soc_machine snd_soc_machine_spitz = {
	333	.name = "Spitz",
	334	.dai_link = &spitz_dai,
	335	.num_links = 1,
7fb290d0 LG	336	};
	337
	338	/* spitz audio private data */
	339	static struct wm8750_setup_data spitz_wm8750_setup = {
	340	.i2c_address = 0x1b,
	341	};
	342
	343	/* spitz audio subsystem */
	344	static struct snd_soc_device spitz_snd_devdata = {
	345	.machine = &snd_soc_machine_spitz,
	346	.platform = &pxa2xx_soc_platform,
	347	.codec_dev = &soc_codec_dev_wm8750,
	348	.codec_data = &spitz_wm8750_setup,
	349	};
	350
	351	static struct platform_device *spitz_snd_device;
	352
	353	static int __init spitz_init(void)
	354	{
	355	int ret;
	356
	357	if (!(machine_is_spitz() \|\| machine_is_borzoi() \|\| machine_is_akita()))
	358	return -ENODEV;
	359
	360	spitz_snd_device = platform_device_alloc("soc-audio", -1);
	361	if (!spitz_snd_device)
	362	return -ENOMEM;
	363
	364	platform_set_drvdata(spitz_snd_device, &spitz_snd_devdata);
	365	spitz_snd_devdata.dev = &spitz_snd_device->dev;
	366	ret = platform_device_add(spitz_snd_device);
	367
	368	if (ret)
	369	platform_device_put(spitz_snd_device);
	370
	371	return ret;
	372	}
	373
	374	static void __exit spitz_exit(void)
	375	{
	376	platform_device_unregister(spitz_snd_device);
	377	}
	378
	379	module_init(spitz_init);
	380	module_exit(spitz_exit);
	381
	382	MODULE_AUTHOR("Richard Purdie");
	383	MODULE_DESCRIPTION("ALSA SoC Spitz");
	384	MODULE_LICENSE("GPL");