[mirror_ubuntu-bionic-kernel.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.
 *
 *  Revision history
 *    30th Nov 2005   Initial 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_set_endpoint(codec, "Ext Spk", 1);
	else
		snd_soc_dapm_set_endpoint(codec, "Ext Spk", 0);

	/* set up jack connection */
	switch (spitz_jack_func) {
	case SPITZ_HP:
		/* enable and unmute hp jack, disable mic bias */
		snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
		snd_soc_dapm_set_endpoint(codec, "Mic Jack", 0);
		snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
		snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 1);
		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_set_endpoint(codec, "Headphone Jack", 0);
		snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
		snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
		snd_soc_dapm_set_endpoint(codec, "Mic Jack", 1);
		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_set_endpoint(codec, "Headphone Jack", 0);
		snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
		snd_soc_dapm_set_endpoint(codec, "Mic Jack", 0);
		snd_soc_dapm_set_endpoint(codec, "Line Jack", 1);
		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_set_endpoint(codec, "Headphone Jack", 0);
		snd_soc_dapm_set_endpoint(codec, "Mic Jack", 1);
		snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
		snd_soc_dapm_set_endpoint(codec, "Headset Jack", 1);
		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_set_endpoint(codec, "Headphone Jack", 0);
		snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
		snd_soc_dapm_set_endpoint(codec, "Mic Jack", 0);
		snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
		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_endpoints(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_codec_dai *codec_dai = rtd->dai->codec_dai;
	struct snd_soc_cpu_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 = codec_dai->dai_ops.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 = cpu_dai->dai_ops.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 = codec_dai->dai_ops.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 = cpu_dai->dai_ops.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 char *audio_map[][3] = {

	/* 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"},

	{NULL, NULL, NULL},
};

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_set_endpoint(codec, "RINPUT1", 0);
	snd_soc_dapm_set_endpoint(codec, "LINPUT2", 0);
	snd_soc_dapm_set_endpoint(codec, "RINPUT2", 0);
	snd_soc_dapm_set_endpoint(codec, "LINPUT3", 0);
	snd_soc_dapm_set_endpoint(codec, "RINPUT3", 0);
	snd_soc_dapm_set_endpoint(codec, "OUT3", 0);
	snd_soc_dapm_set_endpoint(codec, "MONO", 0);

	/* 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 */
	for (i = 0; i < ARRAY_SIZE(wm8750_dapm_widgets); i++)
		snd_soc_dapm_new_control(codec, &wm8750_dapm_widgets[i]);

	/* Set up spitz specific audio path audio_map */
	for (i = 0; audio_map[i][0] != NULL; i++)
		snd_soc_dapm_connect_input(codec, audio_map[i][0],
			audio_map[i][1], audio_map[i][2]);

	snd_soc_dapm_sync_endpoints(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	*
	15	* Revision history
	16	* 30th Nov 2005 Initial version.
	17	*
	18	*/
	19
	20	#include <linux/module.h>
	21	#include <linux/moduleparam.h>
	22	#include <linux/timer.h>
	23	#include <linux/interrupt.h>
	24	#include <linux/platform_device.h>
7fb290d0 LG	25	#include <sound/core.h>
	26	#include <sound/pcm.h>
	27	#include <sound/soc.h>
	28	#include <sound/soc-dapm.h>
	29
	30	#include <asm/mach-types.h>
	31	#include <asm/hardware/scoop.h>
	32	#include <asm/arch/pxa-regs.h>
	33	#include <asm/arch/hardware.h>
	34	#include <asm/arch/akita.h>
	35	#include <asm/arch/spitz.h>
7fb290d0 LG	36	#include "../codecs/wm8750.h"
7fb290d0 LG	37	#include "pxa2xx-pcm.h"
97952f60	38	#include "pxa2xx-i2s.h"
7fb290d0 LG	39
	40	#define SPITZ_HP 0
	41	#define SPITZ_MIC 1
	42	#define SPITZ_LINE 2
	43	#define SPITZ_HEADSET 3
	44	#define SPITZ_HP_OFF 4
	45	#define SPITZ_SPK_ON 0
	46	#define SPITZ_SPK_OFF 1
	47
	48	/* audio clock in Hz - rounded from 12.235MHz */
	49	#define SPITZ_AUDIO_CLOCK 12288000
	50
	51	static int spitz_jack_func;
	52	static int spitz_spk_func;
	53
	54	static void spitz_ext_control(struct snd_soc_codec *codec)
	55	{
	56	if (spitz_spk_func == SPITZ_SPK_ON)
	57	snd_soc_dapm_set_endpoint(codec, "Ext Spk", 1);
	58	else
	59	snd_soc_dapm_set_endpoint(codec, "Ext Spk", 0);
	60
	61	/* set up jack connection */
	62	switch (spitz_jack_func) {
	63	case SPITZ_HP:
	64	/* enable and unmute hp jack, disable mic bias */
	65	snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
	66	snd_soc_dapm_set_endpoint(codec, "Mic Jack", 0);
	67	snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
	68	snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 1);
	69	set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
	70	set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
	71	break;
	72	case SPITZ_MIC:
	73	/* enable mic jack and bias, mute hp */
	74	snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
	75	snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
	76	snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
	77	snd_soc_dapm_set_endpoint(codec, "Mic Jack", 1);
	78	reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
	79	reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
	80	break;
	81	case SPITZ_LINE:
	82	/* enable line jack, disable mic bias and mute hp */
	83	snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
	84	snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
	85	snd_soc_dapm_set_endpoint(codec, "Mic Jack", 0);
	86	snd_soc_dapm_set_endpoint(codec, "Line Jack", 1);
	87	reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
	88	reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
	89	break;
	90	case SPITZ_HEADSET:
	91	/* enable and unmute headset jack enable mic bias, mute L hp */
	92	snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
	93	snd_soc_dapm_set_endpoint(codec, "Mic Jack", 1);
	94	snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
	95	snd_soc_dapm_set_endpoint(codec, "Headset Jack", 1);
	96	reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
	97	set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
	98	break;
	99	case SPITZ_HP_OFF:
	100
	101	/* jack removed, everything off */
	102	snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
103	snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
104	snd_soc_dapm_set_endpoint(codec, "Mic Jack", 0);
105	snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
106	reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
107	reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
108	break;
109	}
110	snd_soc_dapm_sync_endpoints(codec);
111	}
112
113	static int spitz_startup(struct snd_pcm_substream *substream)
114	{
115	struct snd_soc_pcm_runtime *rtd = substream->private_data;
116	struct snd_soc_codec *codec = rtd->socdev->codec;
117
118	/* check the jack status at stream startup */
119	spitz_ext_control(codec);
120	return 0;
121	}
122
97952f60 LG	123	static int spitz_hw_params(struct snd_pcm_substream *substream,
	124	struct snd_pcm_hw_params *params)
	125	{
	126	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	127	struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
	128	struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
	129	unsigned int clk = 0;
	130	int ret = 0;
	131
	132	switch (params_rate(params)) {
	133	case 8000:
	134	case 16000:
	135	case 48000:
	136	case 96000:
	137	clk = 12288000;
	138	break;
	139	case 11025:
	140	case 22050:
	141	case 44100:
	142	clk = 11289600;
	143	break;
	144	}
	145
	146	/* set codec DAI configuration */
	147	ret = codec_dai->dai_ops.set_fmt(codec_dai, SND_SOC_DAIFMT_I2S \|
	148	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	149	if (ret < 0)
	150	return ret;
	151
	152	/* set cpu DAI configuration */
	153	ret = cpu_dai->dai_ops.set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S \|
	154	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	155	if (ret < 0)
	156	return ret;
	157
	158	/* set the codec system clock for DAC and ADC */
	159	ret = codec_dai->dai_ops.set_sysclk(codec_dai, WM8750_SYSCLK, clk,
	160	SND_SOC_CLOCK_IN);
	161	if (ret < 0)
	162	return ret;
	163
	164	/* set the I2S system clock as input (unused) */
	165	ret = cpu_dai->dai_ops.set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
	166	SND_SOC_CLOCK_IN);
	167	if (ret < 0)
	168	return ret;
	169
	170	return 0;
	171	}
	172
7fb290d0 LG	173	static struct snd_soc_ops spitz_ops = {
7fb290d0 LG	174	.startup = spitz_startup,
97952f60	175	.hw_params = spitz_hw_params,
7fb290d0 LG	176	};
	177
	178	static int spitz_get_jack(struct snd_kcontrol *kcontrol,
	179	struct snd_ctl_elem_value *ucontrol)
	180	{
	181	ucontrol->value.integer.value[0] = spitz_jack_func;
	182	return 0;
	183	}
	184
	185	static int spitz_set_jack(struct snd_kcontrol *kcontrol,
	186	struct snd_ctl_elem_value *ucontrol)
	187	{
	188	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	189
	190	if (spitz_jack_func == ucontrol->value.integer.value[0])
	191	return 0;
	192
	193	spitz_jack_func = ucontrol->value.integer.value[0];
	194	spitz_ext_control(codec);
	195	return 1;
	196	}
	197
	198	static int spitz_get_spk(struct snd_kcontrol *kcontrol,
	199	struct snd_ctl_elem_value *ucontrol)
	200	{
	201	ucontrol->value.integer.value[0] = spitz_spk_func;
	202	return 0;
	203	}
	204
	205	static int spitz_set_spk(struct snd_kcontrol *kcontrol,
	206	struct snd_ctl_elem_value *ucontrol)
	207	{
	208	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	209
	210	if (spitz_spk_func == ucontrol->value.integer.value[0])
	211	return 0;
	212
	213	spitz_spk_func = ucontrol->value.integer.value[0];
	214	spitz_ext_control(codec);
	215	return 1;
	216	}
	217
338c7ed0 JN	218	static int spitz_mic_bias(struct snd_soc_dapm_widget *w,
338c7ed0 JN	219	struct snd_kcontrol *k, int event)
7fb290d0 LG	220	{
	221	if (machine_is_borzoi() \|\| machine_is_spitz()) {
	222	if (SND_SOC_DAPM_EVENT_ON(event))
	223	set_scoop_gpio(&spitzscoop2_device.dev,
	224	SPITZ_SCP2_MIC_BIAS);
	225	else
	226	reset_scoop_gpio(&spitzscoop2_device.dev,
	227	SPITZ_SCP2_MIC_BIAS);
	228	}
	229
	230	if (machine_is_akita()) {
	231	if (SND_SOC_DAPM_EVENT_ON(event))
	232	akita_set_ioexp(&akitaioexp_device.dev,
	233	AKITA_IOEXP_MIC_BIAS);
	234	else
	235	akita_reset_ioexp(&akitaioexp_device.dev,
	236	AKITA_IOEXP_MIC_BIAS);
	237	}
	238	return 0;
	239	}
	240
	241	/* spitz machine dapm widgets */
	242	static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
	243	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	244	SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias),
	245	SND_SOC_DAPM_SPK("Ext Spk", NULL),
	246	SND_SOC_DAPM_LINE("Line Jack", NULL),
	247
	248	/* headset is a mic and mono headphone */
	249	SND_SOC_DAPM_HP("Headset Jack", NULL),
	250	};
	251
	252	/* Spitz machine audio_map */
	253	static const char *audio_map[][3] = {
	254
	255	/* headphone connected to LOUT1, ROUT1 */
	256	{"Headphone Jack", NULL, "LOUT1"},
	257	{"Headphone Jack", NULL, "ROUT1"},
	258
	259	/* headset connected to ROUT1 and LINPUT1 with bias (def below) */
	260	{"Headset Jack", NULL, "ROUT1"},
	261
	262	/* ext speaker connected to LOUT2, ROUT2 */
	263	{"Ext Spk", NULL , "ROUT2"},
	264	{"Ext Spk", NULL , "LOUT2"},
	265
	266	/* mic is connected to input 1 - with bias */
	267	{"LINPUT1", NULL, "Mic Bias"},
	268	{"Mic Bias", NULL, "Mic Jack"},
	269
	270	/* line is connected to input 1 - no bias */
	271	{"LINPUT1", NULL, "Line Jack"},
	272
	273	{NULL, NULL, NULL},
	274	};
	275
	276	static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
	277	"Off"};
	278	static const char *spk_function[] = {"On", "Off"};
	279	static const struct soc_enum spitz_enum[] = {
	280	SOC_ENUM_SINGLE_EXT(5, jack_function),
	281	SOC_ENUM_SINGLE_EXT(2, spk_function),
	282	};
	283
284	static const struct snd_kcontrol_new wm8750_spitz_controls[] = {
285	SOC_ENUM_EXT("Jack Function", spitz_enum[0], spitz_get_jack,
286	spitz_set_jack),
287	SOC_ENUM_EXT("Speaker Function", spitz_enum[1], spitz_get_spk,
288	spitz_set_spk),
289	};
290
291	/*
292	* Logic for a wm8750 as connected on a Sharp SL-Cxx00 Device
293	*/
294	static int spitz_wm8750_init(struct snd_soc_codec *codec)
295	{
296	int i, err;
297
298	/* NC codec pins */
299	snd_soc_dapm_set_endpoint(codec, "RINPUT1", 0);
300	snd_soc_dapm_set_endpoint(codec, "LINPUT2", 0);
301	snd_soc_dapm_set_endpoint(codec, "RINPUT2", 0);
302	snd_soc_dapm_set_endpoint(codec, "LINPUT3", 0);
303	snd_soc_dapm_set_endpoint(codec, "RINPUT3", 0);
304	snd_soc_dapm_set_endpoint(codec, "OUT3", 0);
305	snd_soc_dapm_set_endpoint(codec, "MONO", 0);
306
307	/* Add spitz specific controls */
308	for (i = 0; i < ARRAY_SIZE(wm8750_spitz_controls); i++) {
309	err = snd_ctl_add(codec->card,
310	snd_soc_cnew(&wm8750_spitz_controls[i], codec, NULL));
311	if (err < 0)
312	return err;
313	}
314
315	/* Add spitz specific widgets */
22cd6302	316	for (i = 0; i < ARRAY_SIZE(wm8750_dapm_widgets); i++)
7fb290d0	317	snd_soc_dapm_new_control(codec, &wm8750_dapm_widgets[i]);
7fb290d0 LG	318
7fb290d0 LG	319	/* Set up spitz specific audio path audio_map */
22cd6302	320	for (i = 0; audio_map[i][0] != NULL; i++)
7fb290d0 LG	321	snd_soc_dapm_connect_input(codec, audio_map[i][0],
7fb290d0 LG	322	audio_map[i][1], audio_map[i][2]);
7fb290d0 LG	323
	324	snd_soc_dapm_sync_endpoints(codec);
	325	return 0;
	326	}
	327
7fb290d0 LG	328	/* spitz digital audio interface glue - connects codec <--> CPU */
	329	static struct snd_soc_dai_link spitz_dai = {
	330	.name = "wm8750",
	331	.stream_name = "WM8750",
	332	.cpu_dai = &pxa_i2s_dai,
	333	.codec_dai = &wm8750_dai,
	334	.init = spitz_wm8750_init,
97952f60	335	.ops = &spitz_ops,
7fb290d0 LG	336	};
	337
	338	/* spitz audio machine driver */
	339	static struct snd_soc_machine snd_soc_machine_spitz = {
	340	.name = "Spitz",
	341	.dai_link = &spitz_dai,
	342	.num_links = 1,
7fb290d0 LG	343	};
	344
	345	/* spitz audio private data */
	346	static struct wm8750_setup_data spitz_wm8750_setup = {
	347	.i2c_address = 0x1b,
	348	};
	349
	350	/* spitz audio subsystem */
	351	static struct snd_soc_device spitz_snd_devdata = {
	352	.machine = &snd_soc_machine_spitz,
	353	.platform = &pxa2xx_soc_platform,
	354	.codec_dev = &soc_codec_dev_wm8750,
	355	.codec_data = &spitz_wm8750_setup,
	356	};
	357
	358	static struct platform_device *spitz_snd_device;
	359
	360	static int __init spitz_init(void)
	361	{
	362	int ret;
	363
	364	if (!(machine_is_spitz() \|\| machine_is_borzoi() \|\| machine_is_akita()))
	365	return -ENODEV;
	366
	367	spitz_snd_device = platform_device_alloc("soc-audio", -1);
	368	if (!spitz_snd_device)
	369	return -ENOMEM;
	370
	371	platform_set_drvdata(spitz_snd_device, &spitz_snd_devdata);
	372	spitz_snd_devdata.dev = &spitz_snd_device->dev;
	373	ret = platform_device_add(spitz_snd_device);
	374
	375	if (ret)
	376	platform_device_put(spitz_snd_device);
	377
	378	return ret;
	379	}
	380
	381	static void __exit spitz_exit(void)
	382	{
	383	platform_device_unregister(spitz_snd_device);
	384	}
	385
	386	module_init(spitz_init);
	387	module_exit(spitz_exit);
	388
	389	MODULE_AUTHOR("Richard Purdie");
	390	MODULE_DESCRIPTION("ALSA SoC Spitz");
	391	MODULE_LICENSE("GPL");