[linux-2.6-block.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 <asm/mach-types.h>
#include <mach/spitz.h>
#include "../codecs/wm8750.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 int spitz_mic_gpio;

static void spitz_ext_control(struct snd_soc_dapm_context *dapm)
{
	snd_soc_dapm_mutex_lock(dapm);

	if (spitz_spk_func == SPITZ_SPK_ON)
		snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
	else
		snd_soc_dapm_disable_pin_unlocked(dapm, "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_unlocked(dapm, "Headset Jack");
		snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
		snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
		snd_soc_dapm_enable_pin_unlocked(dapm, "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_unlocked(dapm, "Headphone Jack");
		snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
		snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
		snd_soc_dapm_enable_pin_unlocked(dapm, "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_unlocked(dapm, "Headphone Jack");
		snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
		snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
		snd_soc_dapm_enable_pin_unlocked(dapm, "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_unlocked(dapm, "Headphone Jack");
		snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack");
		snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
		snd_soc_dapm_enable_pin_unlocked(dapm, "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_unlocked(dapm, "Headphone Jack");
		snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
		snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
		snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
		gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
		gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
		break;
	}

	snd_soc_dapm_sync_unlocked(dapm);

	snd_soc_dapm_mutex_unlock(dapm);
}

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

	/* check the jack status at stream startup */
	spitz_ext_control(&rtd->card->dapm);

	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->codec_dai;
	struct snd_soc_dai *cpu_dai = rtd->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 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_card *card = 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(&card->dapm);
	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_card *card = 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(&card->dapm);
	return 1;
}

static int spitz_mic_bias(struct snd_soc_dapm_widget *w,
	struct snd_kcontrol *k, int event)
{
	gpio_set_value_cansleep(spitz_mic_gpio, 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 spitz_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_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;

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

	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_name = "pxa2xx-i2s",
	.codec_dai_name = "wm8750-hifi",
	.platform_name = "pxa-pcm-audio",
	.codec_name = "wm8750.0-001b",
	.init = spitz_wm8750_init,
	.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
		   SND_SOC_DAIFMT_CBS_CFS,
	.ops = &spitz_ops,
};

/* spitz audio machine driver */
static struct snd_soc_card snd_soc_spitz = {
	.name = "Spitz",
	.owner = THIS_MODULE,
	.dai_link = &spitz_dai,
	.num_links = 1,

	.controls = wm8750_spitz_controls,
	.num_controls = ARRAY_SIZE(wm8750_spitz_controls),
	.dapm_widgets = wm8750_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets),
	.dapm_routes = spitz_audio_map,
	.num_dapm_routes = ARRAY_SIZE(spitz_audio_map),
};

static int spitz_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &snd_soc_spitz;
	int ret;

	if (machine_is_akita())
		spitz_mic_gpio = AKITA_GPIO_MIC_BIAS;
	else
		spitz_mic_gpio = SPITZ_GPIO_MIC_BIAS;

	ret = gpio_request(spitz_mic_gpio, "MIC GPIO");
	if (ret)
		goto err1;

	ret = gpio_direction_output(spitz_mic_gpio, 0);
	if (ret)
		goto err2;

	card->dev = &pdev->dev;

	ret = snd_soc_register_card(card);
	if (ret) {
		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
			ret);
		goto err2;
	}

	return 0;

err2:
	gpio_free(spitz_mic_gpio);
err1:
	return ret;
}

static int spitz_remove(struct platform_device *pdev)
{
	struct snd_soc_card *card = platform_get_drvdata(pdev);

	snd_soc_unregister_card(card);
	gpio_free(spitz_mic_gpio);
	return 0;
}

static struct platform_driver spitz_driver = {
	.driver		= {
		.name	= "spitz-audio",
		.pm     = &snd_soc_pm_ops,
	},
	.probe		= spitz_probe,
	.remove		= spitz_remove,
};

module_platform_driver(spitz_driver);

MODULE_AUTHOR("Richard Purdie");
MODULE_DESCRIPTION("ALSA SoC Spitz");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:spitz-audio");
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>
7fb290d0 LG	26
7fb290d0 LG	27	#include <asm/mach-types.h>
a09e64fb	28	#include <mach/spitz.h>
7fb290d0	29	#include "../codecs/wm8750.h"
97952f60	30	#include "pxa2xx-i2s.h"
7fb290d0 LG	31
	32	#define SPITZ_HP 0
	33	#define SPITZ_MIC 1
	34	#define SPITZ_LINE 2
	35	#define SPITZ_HEADSET 3
	36	#define SPITZ_HP_OFF 4
	37	#define SPITZ_SPK_ON 0
	38	#define SPITZ_SPK_OFF 1
	39
	40	/* audio clock in Hz - rounded from 12.235MHz */
	41	#define SPITZ_AUDIO_CLOCK 12288000
	42
	43	static int spitz_jack_func;
	44	static int spitz_spk_func;
04368d05	45	static int spitz_mic_gpio;
7fb290d0	46
059ad760	47	static void spitz_ext_control(struct snd_soc_dapm_context *dapm)
7fb290d0	48	{
1845a725 CK	49	snd_soc_dapm_mutex_lock(dapm);
1845a725 CK	50
7fb290d0	51	if (spitz_spk_func == SPITZ_SPK_ON)
1845a725	52	snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
7fb290d0	53	else
1845a725	54	snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");
7fb290d0 LG	55
	56	/* set up jack connection */
	57	switch (spitz_jack_func) {
	58	case SPITZ_HP:
	59	/* enable and unmute hp jack, disable mic bias */
1845a725 CK	60	snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
	61	snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
	62	snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
	63	snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
fff14720 EM	64	gpio_set_value(SPITZ_GPIO_MUTE_L, 1);
fff14720 EM	65	gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
7fb290d0 LG	66	break;
	67	case SPITZ_MIC:
	68	/* enable mic jack and bias, mute hp */
1845a725 CK	69	snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
	70	snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
	71	snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
	72	snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack");
fff14720 EM	73	gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
fff14720 EM	74	gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
7fb290d0 LG	75	break;
	76	case SPITZ_LINE:
	77	/* enable line jack, disable mic bias and mute hp */
1845a725 CK	78	snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
	79	snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
	80	snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
	81	snd_soc_dapm_enable_pin_unlocked(dapm, "Line Jack");
fff14720 EM	82	gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
fff14720 EM	83	gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
7fb290d0 LG	84	break;
	85	case SPITZ_HEADSET:
	86	/* enable and unmute headset jack enable mic bias, mute L hp */
1845a725 CK	87	snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
	88	snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack");
	89	snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
	90	snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack");
fff14720 EM	91	gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
fff14720 EM	92	gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
7fb290d0 LG	93	break;
	94	case SPITZ_HP_OFF:
	95
	96	/* jack removed, everything off */
1845a725 CK	97	snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
	98	snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
	99	snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
	100	snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
fff14720 EM	101	gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
fff14720 EM	102	gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
7fb290d0 LG	103	break;
7fb290d0 LG	104	}
1845a725 CK	105
	106	snd_soc_dapm_sync_unlocked(dapm);
	107
	108	snd_soc_dapm_mutex_unlock(dapm);
7fb290d0 LG	109	}
	110
	111	static int spitz_startup(struct snd_pcm_substream *substream)
	112	{
	113	struct snd_soc_pcm_runtime *rtd = substream->private_data;
71a29560	114
7fb290d0	115	/* check the jack status at stream startup */
e14de47a	116	spitz_ext_control(&rtd->card->dapm);
71a29560	117
7fb290d0 LG	118	return 0;
	119	}
	120
97952f60 LG	121	static int spitz_hw_params(struct snd_pcm_substream *substream,
	122	struct snd_pcm_hw_params *params)
	123	{
	124	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad LG	125	struct snd_soc_dai *codec_dai = rtd->codec_dai;
f0fba2ad LG	126	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
97952f60 LG	127	unsigned int clk = 0;
	128	int ret = 0;
	129
	130	switch (params_rate(params)) {
	131	case 8000:
	132	case 16000:
	133	case 48000:
	134	case 96000:
	135	clk = 12288000;
	136	break;
	137	case 11025:
	138	case 22050:
	139	case 44100:
	140	clk = 11289600;
	141	break;
	142	}
	143
97952f60	144	/* set the codec system clock for DAC and ADC */
64105cfd	145	ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk,
97952f60 LG	146	SND_SOC_CLOCK_IN);
	147	if (ret < 0)
	148	return ret;
	149
	150	/* set the I2S system clock as input (unused) */
64105cfd	151	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
97952f60 LG	152	SND_SOC_CLOCK_IN);
	153	if (ret < 0)
	154	return ret;
	155
	156	return 0;
	157	}
	158
7fb290d0 LG	159	static struct snd_soc_ops spitz_ops = {
7fb290d0 LG	160	.startup = spitz_startup,
97952f60	161	.hw_params = spitz_hw_params,
7fb290d0 LG	162	};
	163
	164	static int spitz_get_jack(struct snd_kcontrol *kcontrol,
	165	struct snd_ctl_elem_value *ucontrol)
	166	{
	167	ucontrol->value.integer.value[0] = spitz_jack_func;
	168	return 0;
	169	}
	170
	171	static int spitz_set_jack(struct snd_kcontrol *kcontrol,
	172	struct snd_ctl_elem_value *ucontrol)
	173	{
0e66821f	174	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
7fb290d0 LG	175
	176	if (spitz_jack_func == ucontrol->value.integer.value[0])
	177	return 0;
	178
	179	spitz_jack_func = ucontrol->value.integer.value[0];
059ad760	180	spitz_ext_control(&card->dapm);
7fb290d0 LG	181	return 1;
	182	}
	183
	184	static int spitz_get_spk(struct snd_kcontrol *kcontrol,
	185	struct snd_ctl_elem_value *ucontrol)
	186	{
	187	ucontrol->value.integer.value[0] = spitz_spk_func;
	188	return 0;
	189	}
	190
	191	static int spitz_set_spk(struct snd_kcontrol *kcontrol,
	192	struct snd_ctl_elem_value *ucontrol)
	193	{
059ad760	194	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
7fb290d0 LG	195
	196	if (spitz_spk_func == ucontrol->value.integer.value[0])
	197	return 0;
	198
	199	spitz_spk_func = ucontrol->value.integer.value[0];
059ad760	200	spitz_ext_control(&card->dapm);
7fb290d0 LG	201	return 1;
	202	}
	203
338c7ed0 JN	204	static int spitz_mic_bias(struct snd_soc_dapm_widget *w,
338c7ed0 JN	205	struct snd_kcontrol *k, int event)
7fb290d0	206	{
04368d05	207	gpio_set_value_cansleep(spitz_mic_gpio, SND_SOC_DAPM_EVENT_ON(event));
7fb290d0 LG	208	return 0;
	209	}
	210
	211	/* spitz machine dapm widgets */
	212	static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
	213	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	214	SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias),
	215	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	216	SND_SOC_DAPM_LINE("Line Jack", NULL),
	217
	218	/* headset is a mic and mono headphone */
	219	SND_SOC_DAPM_HP("Headset Jack", NULL),
	220	};
	221
	222	/* Spitz machine audio_map */
7c274263	223	static const struct snd_soc_dapm_route spitz_audio_map[] = {
7fb290d0 LG	224
	225	/* headphone connected to LOUT1, ROUT1 */
	226	{"Headphone Jack", NULL, "LOUT1"},
	227	{"Headphone Jack", NULL, "ROUT1"},
	228
	229	/* headset connected to ROUT1 and LINPUT1 with bias (def below) */
	230	{"Headset Jack", NULL, "ROUT1"},
	231
	232	/* ext speaker connected to LOUT2, ROUT2 */
	233	{"Ext Spk", NULL , "ROUT2"},
	234	{"Ext Spk", NULL , "LOUT2"},
	235
	236	/* mic is connected to input 1 - with bias */
	237	{"LINPUT1", NULL, "Mic Bias"},
	238	{"Mic Bias", NULL, "Mic Jack"},
	239
	240	/* line is connected to input 1 - no bias */
	241	{"LINPUT1", NULL, "Line Jack"},
7fb290d0 LG	242	};
	243
	244	static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
	245	"Off"};
	246	static const char *spk_function[] = {"On", "Off"};
	247	static const struct soc_enum spitz_enum[] = {
	248	SOC_ENUM_SINGLE_EXT(5, jack_function),
	249	SOC_ENUM_SINGLE_EXT(2, spk_function),
	250	};
	251
	252	static const struct snd_kcontrol_new wm8750_spitz_controls[] = {
	253	SOC_ENUM_EXT("Jack Function", spitz_enum[0], spitz_get_jack,
	254	spitz_set_jack),
	255	SOC_ENUM_EXT("Speaker Function", spitz_enum[1], spitz_get_spk,
	256	spitz_set_spk),
	257	};
	258
	259	/*
	260	* Logic for a wm8750 as connected on a Sharp SL-Cxx00 Device
	261	*/
f0fba2ad	262	static int spitz_wm8750_init(struct snd_soc_pcm_runtime *rtd)
7fb290d0	263	{
f0fba2ad	264	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	265	struct snd_soc_dapm_context *dapm = &codec->dapm;
7fb290d0 LG	266
7fb290d0 LG	267	/* NC codec pins */
ce6120cc LG	268	snd_soc_dapm_nc_pin(dapm, "RINPUT1");
	269	snd_soc_dapm_nc_pin(dapm, "LINPUT2");
	270	snd_soc_dapm_nc_pin(dapm, "RINPUT2");
	271	snd_soc_dapm_nc_pin(dapm, "LINPUT3");
	272	snd_soc_dapm_nc_pin(dapm, "RINPUT3");
	273	snd_soc_dapm_nc_pin(dapm, "OUT3");
	274	snd_soc_dapm_nc_pin(dapm, "MONO1");
7fb290d0	275
7fb290d0 LG	276	return 0;
	277	}
	278
7fb290d0 LG	279	/* spitz digital audio interface glue - connects codec <--> CPU */
	280	static struct snd_soc_dai_link spitz_dai = {
	281	.name = "wm8750",
	282	.stream_name = "WM8750",
a3adfa00	283	.cpu_dai_name = "pxa2xx-i2s",
f0fba2ad LG	284	.codec_dai_name = "wm8750-hifi",
f0fba2ad LG	285	.platform_name = "pxa-pcm-audio",
dc5de62b	286	.codec_name = "wm8750.0-001b",
7fb290d0	287	.init = spitz_wm8750_init,
c0e94231 AL	288	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
c0e94231 AL	289	SND_SOC_DAIFMT_CBS_CFS,
97952f60	290	.ops = &spitz_ops,
7fb290d0 LG	291	};
	292
	293	/* spitz audio machine driver */
87506549	294	static struct snd_soc_card snd_soc_spitz = {
7fb290d0	295	.name = "Spitz",
561c6a17	296	.owner = THIS_MODULE,
7fb290d0 LG	297	.dai_link = &spitz_dai,
7fb290d0 LG	298	.num_links = 1,
7c274263 AL	299
	300	.controls = wm8750_spitz_controls,
	301	.num_controls = ARRAY_SIZE(wm8750_spitz_controls),
	302	.dapm_widgets = wm8750_dapm_widgets,
	303	.num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets),
	304	.dapm_routes = spitz_audio_map,
	305	.num_dapm_routes = ARRAY_SIZE(spitz_audio_map),
7fb290d0 LG	306	};
7fb290d0 LG	307
ecf00151	308	static int spitz_probe(struct platform_device *pdev)
7fb290d0	309	{
ecf00151	310	struct snd_soc_card *card = &snd_soc_spitz;
7fb290d0 LG	311	int ret;
7fb290d0 LG	312
ecf00151	313	if (machine_is_akita())
04368d05	314	spitz_mic_gpio = AKITA_GPIO_MIC_BIAS;
ecf00151 DES	315	else
ecf00151 DES	316	spitz_mic_gpio = SPITZ_GPIO_MIC_BIAS;
04368d05 MV	317
	318	ret = gpio_request(spitz_mic_gpio, "MIC GPIO");
	319	if (ret)
	320	goto err1;
	321
	322	ret = gpio_direction_output(spitz_mic_gpio, 0);
	323	if (ret)
	324	goto err2;
	325
ecf00151 DES	326	card->dev = &pdev->dev;
	327
	328	ret = snd_soc_register_card(card);
	329	if (ret) {
	330	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
	331	ret);
04368d05 MV	332	goto err2;
04368d05 MV	333	}
7fb290d0	334
04368d05	335	return 0;
7fb290d0	336
04368d05 MV	337	err2:
	338	gpio_free(spitz_mic_gpio);
	339	err1:
7fb290d0 LG	340	return ret;
	341	}
	342
ecf00151	343	static int spitz_remove(struct platform_device *pdev)
7fb290d0	344	{
ecf00151 DES	345	struct snd_soc_card *card = platform_get_drvdata(pdev);
	346
	347	snd_soc_unregister_card(card);
04368d05	348	gpio_free(spitz_mic_gpio);
ecf00151	349	return 0;
7fb290d0 LG	350	}
7fb290d0 LG	351
ecf00151 DES	352	static struct platform_driver spitz_driver = {
	353	.driver = {
	354	.name = "spitz-audio",
ecf00151 DES	355	.pm = &snd_soc_pm_ops,
	356	},
	357	.probe = spitz_probe,
	358	.remove = spitz_remove,
	359	};
	360
	361	module_platform_driver(spitz_driver);
7fb290d0 LG	362
	363	MODULE_AUTHOR("Richard Purdie");
	364	MODULE_DESCRIPTION("ALSA SoC Spitz");
	365	MODULE_LICENSE("GPL");
ecf00151	366	MODULE_ALIAS("platform:spitz-audio");