[deliverable/linux.git] / sound / soc / pxa / tosa.c

/*
 * tosa.c  --  SoC audio for Tosa
 *
 * 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.
 *
 * GPIO's
 *  1 - Jack Insertion
 *  5 - Hookswitch (headset answer/hang up switch)
 *
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/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/tosa.h>
#include <mach/audio.h>

#include "../codecs/wm9712.h"
#include "pxa2xx-ac97.h"

static struct snd_soc_card tosa;

#define TOSA_HP        0
#define TOSA_MIC_INT   1
#define TOSA_HEADSET   2
#define TOSA_HP_OFF    3
#define TOSA_SPK_ON    0
#define TOSA_SPK_OFF   1

static int tosa_jack_func;
static int tosa_spk_func;

static void tosa_ext_control(struct snd_soc_codec *codec)
{
	struct snd_soc_dapm_context *dapm = &codec->dapm;

	/* set up jack connection */
	switch (tosa_jack_func) {
	case TOSA_HP:
		snd_soc_dapm_disable_pin(dapm, "Mic (Internal)");
		snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
		snd_soc_dapm_disable_pin(dapm, "Headset Jack");
		break;
	case TOSA_MIC_INT:
		snd_soc_dapm_enable_pin(dapm, "Mic (Internal)");
		snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
		snd_soc_dapm_disable_pin(dapm, "Headset Jack");
		break;
	case TOSA_HEADSET:
		snd_soc_dapm_disable_pin(dapm, "Mic (Internal)");
		snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
		snd_soc_dapm_enable_pin(dapm, "Headset Jack");
		break;
	}

	if (tosa_spk_func == TOSA_SPK_ON)
		snd_soc_dapm_enable_pin(dapm, "Speaker");
	else
		snd_soc_dapm_disable_pin(dapm, "Speaker");

	snd_soc_dapm_sync(dapm);
}

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

	mutex_lock(&codec->mutex);

	/* check the jack status at stream startup */
	tosa_ext_control(codec);

	mutex_unlock(&codec->mutex);

	return 0;
}

static struct snd_soc_ops tosa_ops = {
	.startup = tosa_startup,
};

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

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

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

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

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

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

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

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

/* tosa dapm event handlers */
static int tosa_hp_event(struct snd_soc_dapm_widget *w,
	struct snd_kcontrol *k, int event)
{
	gpio_set_value(TOSA_GPIO_L_MUTE, SND_SOC_DAPM_EVENT_ON(event) ? 1 :0);
	return 0;
}

/* tosa machine dapm widgets */
static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event),
SND_SOC_DAPM_HP("Headset Jack", NULL),
SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
SND_SOC_DAPM_SPK("Speaker", NULL),
};

/* tosa audio map */
static const struct snd_soc_dapm_route audio_map[] = {

	/* headphone connected to HPOUTL, HPOUTR */
	{"Headphone Jack", NULL, "HPOUTL"},
	{"Headphone Jack", NULL, "HPOUTR"},

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

	/* internal mic is connected to mic1, mic2 differential - with bias */
	{"MIC1", NULL, "Mic Bias"},
	{"MIC2", NULL, "Mic Bias"},
	{"Mic Bias", NULL, "Mic (Internal)"},

	/* headset is connected to HPOUTR, and LINEINR with bias */
	{"Headset Jack", NULL, "HPOUTR"},
	{"LINEINR", NULL, "Mic Bias"},
	{"Mic Bias", NULL, "Headset Jack"},
};

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

static const struct snd_kcontrol_new tosa_controls[] = {
	SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack,
		tosa_set_jack),
	SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk,
		tosa_set_spk),
};

static int tosa_ac97_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	int err;

	snd_soc_dapm_nc_pin(dapm, "OUT3");
	snd_soc_dapm_nc_pin(dapm, "MONOOUT");

	/* add tosa specific controls */
	err = snd_soc_add_controls(codec, tosa_controls,
				ARRAY_SIZE(tosa_controls));
	if (err < 0)
		return err;

	/* add tosa specific widgets */
	snd_soc_dapm_new_controls(dapm, tosa_dapm_widgets,
				  ARRAY_SIZE(tosa_dapm_widgets));

	/* set up tosa specific audio path audio_map */
	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));

	snd_soc_dapm_sync(dapm);
	return 0;
}

static struct snd_soc_dai_link tosa_dai[] = {
{
	.name = "AC97",
	.stream_name = "AC97 HiFi",
	.cpu_dai_name = "pxa2xx-ac97",
	.codec_dai_name = "wm9712-hifi",
	.platform_name = "pxa-pcm-audio",
	.codec_name = "wm9712-codec",
	.init = tosa_ac97_init,
	.ops = &tosa_ops,
},
{
	.name = "AC97 Aux",
	.stream_name = "AC97 Aux",
	.cpu_dai_name = "pxa2xx-ac97-aux",
	.codec_dai_name = "wm9712-aux",
	.platform_name = "pxa-pcm-audio",
	.codec_name = "wm9712-codec",
	.ops = &tosa_ops,
},
};

static int tosa_probe(struct snd_soc_card *card)
{
	int ret;

	ret = gpio_request(TOSA_GPIO_L_MUTE, "Headphone Jack");
	if (ret)
		return ret;
	ret = gpio_direction_output(TOSA_GPIO_L_MUTE, 0);
	if (ret)
		gpio_free(TOSA_GPIO_L_MUTE);

	return ret;
}

static int tosa_remove(struct snd_soc_card *card)
{
	gpio_free(TOSA_GPIO_L_MUTE);
	return 0;
}

static struct snd_soc_card tosa = {
	.name = "Tosa",
	.dai_link = tosa_dai,
	.num_links = ARRAY_SIZE(tosa_dai),
	.probe = tosa_probe,
	.remove = tosa_remove,
};

static struct platform_device *tosa_snd_device;

static int __init tosa_init(void)
{
	int ret;

	if (!machine_is_tosa())
		return -ENODEV;

	tosa_snd_device = platform_device_alloc("soc-audio", -1);
	if (!tosa_snd_device) {
		ret = -ENOMEM;
		goto err_alloc;
	}

	platform_set_drvdata(tosa_snd_device, &tosa);
	ret = platform_device_add(tosa_snd_device);

	if (!ret)
		return 0;

	platform_device_put(tosa_snd_device);

err_alloc:
	return ret;
}

static void __exit tosa_exit(void)
{
	platform_device_unregister(tosa_snd_device);
}

module_init(tosa_init);
module_exit(tosa_exit);

/* Module information */
MODULE_AUTHOR("Richard Purdie");
MODULE_DESCRIPTION("ALSA SoC Tosa");
MODULE_LICENSE("GPL");
Commit	Line	Data
1b49cb98 LG	1	/*
	2	* tosa.c -- SoC audio for Tosa
	3	*
	4	* Copyright 2005 Wolfson Microelectronics PLC.
	5	* Copyright 2005 Openedhand Ltd.
	6	*
d331124d	7	* Authors: Liam Girdwood <lrg@slimlogic.co.uk>
1b49cb98 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	*
1b49cb98 LG	15	* GPIO's
	16	* 1 - Jack Insertion
	17	* 5 - Hookswitch (headset answer/hang up switch)
	18	*
	19	*/
	20
	21	#include <linux/module.h>
	22	#include <linux/moduleparam.h>
	23	#include <linux/device.h>
4440cbd6	24	#include <linux/gpio.h>
1b49cb98	25
1b49cb98 LG	26	#include <sound/core.h>
	27	#include <sound/pcm.h>
	28	#include <sound/soc.h>
1b49cb98 LG	29
1b49cb98 LG	30	#include <asm/mach-types.h>
a09e64fb	31	#include <mach/tosa.h>
a09e64fb	32	#include <mach/audio.h>
1b49cb98 LG	33
1b49cb98 LG	34	#include "../codecs/wm9712.h"
cb4c048b	35	#include "pxa2xx-ac97.h"
1b49cb98	36
87506549	37	static struct snd_soc_card tosa;
1b49cb98 LG	38
	39	#define TOSA_HP 0
	40	#define TOSA_MIC_INT 1
	41	#define TOSA_HEADSET 2
	42	#define TOSA_HP_OFF 3
	43	#define TOSA_SPK_ON 0
	44	#define TOSA_SPK_OFF 1
	45
	46	static int tosa_jack_func;
	47	static int tosa_spk_func;
	48
	49	static void tosa_ext_control(struct snd_soc_codec *codec)
	50	{
ce6120cc LG	51	struct snd_soc_dapm_context *dapm = &codec->dapm;
ce6120cc LG	52
1b49cb98 LG	53	/* set up jack connection */
	54	switch (tosa_jack_func) {
	55	case TOSA_HP:
ce6120cc LG	56	snd_soc_dapm_disable_pin(dapm, "Mic (Internal)");
	57	snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
	58	snd_soc_dapm_disable_pin(dapm, "Headset Jack");
1b49cb98 LG	59	break;
1b49cb98 LG	60	case TOSA_MIC_INT:
ce6120cc LG	61	snd_soc_dapm_enable_pin(dapm, "Mic (Internal)");
	62	snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
	63	snd_soc_dapm_disable_pin(dapm, "Headset Jack");
1b49cb98 LG	64	break;
1b49cb98 LG	65	case TOSA_HEADSET:
ce6120cc LG	66	snd_soc_dapm_disable_pin(dapm, "Mic (Internal)");
	67	snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
	68	snd_soc_dapm_enable_pin(dapm, "Headset Jack");
1b49cb98 LG	69	break;
	70	}
	71
	72	if (tosa_spk_func == TOSA_SPK_ON)
ce6120cc	73	snd_soc_dapm_enable_pin(dapm, "Speaker");
a5302181	74	else
ce6120cc	75	snd_soc_dapm_disable_pin(dapm, "Speaker");
1b49cb98	76
ce6120cc	77	snd_soc_dapm_sync(dapm);
1b49cb98 LG	78	}
	79
	80	static int tosa_startup(struct snd_pcm_substream *substream)
	81	{
	82	struct snd_soc_pcm_runtime *rtd = substream->private_data;
cb990622	83	struct snd_soc_codec *codec = rtd->codec;
1b49cb98	84
71a29560 MB	85	mutex_lock(&codec->mutex);
71a29560 MB	86
1b49cb98 LG	87	/* check the jack status at stream startup */
1b49cb98 LG	88	tosa_ext_control(codec);
71a29560 MB	89
	90	mutex_unlock(&codec->mutex);
	91
1b49cb98 LG	92	return 0;
	93	}
	94
	95	static struct snd_soc_ops tosa_ops = {
	96	.startup = tosa_startup,
	97	};
	98
	99	static int tosa_get_jack(struct snd_kcontrol *kcontrol,
	100	struct snd_ctl_elem_value *ucontrol)
	101	{
	102	ucontrol->value.integer.value[0] = tosa_jack_func;
	103	return 0;
	104	}
	105
	106	static int tosa_set_jack(struct snd_kcontrol *kcontrol,
	107	struct snd_ctl_elem_value *ucontrol)
	108	{
	109	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	110
	111	if (tosa_jack_func == ucontrol->value.integer.value[0])
	112	return 0;
	113
	114	tosa_jack_func = ucontrol->value.integer.value[0];
	115	tosa_ext_control(codec);
	116	return 1;
	117	}
	118
	119	static int tosa_get_spk(struct snd_kcontrol *kcontrol,
	120	struct snd_ctl_elem_value *ucontrol)
	121	{
	122	ucontrol->value.integer.value[0] = tosa_spk_func;
	123	return 0;
	124	}
	125
	126	static int tosa_set_spk(struct snd_kcontrol *kcontrol,
	127	struct snd_ctl_elem_value *ucontrol)
	128	{
	129	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	130
	131	if (tosa_spk_func == ucontrol->value.integer.value[0])
	132	return 0;
	133
	134	tosa_spk_func = ucontrol->value.integer.value[0];
	135	tosa_ext_control(codec);
	136	return 1;
	137	}
	138
	139	/* tosa dapm event handlers */
338c7ed0 JN	140	static int tosa_hp_event(struct snd_soc_dapm_widget *w,
338c7ed0 JN	141	struct snd_kcontrol *k, int event)
1b49cb98	142	{
4440cbd6	143	gpio_set_value(TOSA_GPIO_L_MUTE, SND_SOC_DAPM_EVENT_ON(event) ? 1 :0);
1b49cb98 LG	144	return 0;
	145	}
	146
	147	/* tosa machine dapm widgets */
	148	static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = {
	149	SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event),
	150	SND_SOC_DAPM_HP("Headset Jack", NULL),
	151	SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
	152	SND_SOC_DAPM_SPK("Speaker", NULL),
	153	};
	154
	155	/* tosa audio map */
76d39d0a	156	static const struct snd_soc_dapm_route audio_map[] = {
1b49cb98 LG	157
	158	/* headphone connected to HPOUTL, HPOUTR */
	159	{"Headphone Jack", NULL, "HPOUTL"},
	160	{"Headphone Jack", NULL, "HPOUTR"},
	161
	162	/* ext speaker connected to LOUT2, ROUT2 */
	163	{"Speaker", NULL, "LOUT2"},
	164	{"Speaker", NULL, "ROUT2"},
	165
	166	/* internal mic is connected to mic1, mic2 differential - with bias */
	167	{"MIC1", NULL, "Mic Bias"},
	168	{"MIC2", NULL, "Mic Bias"},
	169	{"Mic Bias", NULL, "Mic (Internal)"},
	170
	171	/* headset is connected to HPOUTR, and LINEINR with bias */
	172	{"Headset Jack", NULL, "HPOUTR"},
	173	{"LINEINR", NULL, "Mic Bias"},
	174	{"Mic Bias", NULL, "Headset Jack"},
1b49cb98 LG	175	};
	176
	177	static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
	178	"Off"};
	179	static const char *spk_function[] = {"On", "Off"};
	180	static const struct soc_enum tosa_enum[] = {
	181	SOC_ENUM_SINGLE_EXT(5, jack_function),
	182	SOC_ENUM_SINGLE_EXT(2, spk_function),
	183	};
	184
	185	static const struct snd_kcontrol_new tosa_controls[] = {
	186	SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack,
	187	tosa_set_jack),
	188	SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk,
	189	tosa_set_spk),
	190	};
	191
f0fba2ad	192	static int tosa_ac97_init(struct snd_soc_pcm_runtime *rtd)
1b49cb98	193	{
f0fba2ad	194	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	195	struct snd_soc_dapm_context *dapm = &codec->dapm;
eb5f6d75	196	int err;
1b49cb98	197
ce6120cc LG	198	snd_soc_dapm_nc_pin(dapm, "OUT3");
ce6120cc LG	199	snd_soc_dapm_nc_pin(dapm, "MONOOUT");
1b49cb98 LG	200
1b49cb98 LG	201	/* add tosa specific controls */
eb5f6d75 PZ	202	err = snd_soc_add_controls(codec, tosa_controls,
	203	ARRAY_SIZE(tosa_controls));
	204	if (err < 0)
	205	return err;
1b49cb98 LG	206
1b49cb98 LG	207	/* add tosa specific widgets */
ce6120cc	208	snd_soc_dapm_new_controls(dapm, tosa_dapm_widgets,
25191c45	209	ARRAY_SIZE(tosa_dapm_widgets));
1b49cb98 LG	210
1b49cb98 LG	211	/* set up tosa specific audio path audio_map */
ce6120cc	212	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
1b49cb98	213
ce6120cc	214	snd_soc_dapm_sync(dapm);
1b49cb98 LG	215	return 0;
	216	}
	217
	218	static struct snd_soc_dai_link tosa_dai[] = {
	219	{
	220	.name = "AC97",
	221	.stream_name = "AC97 HiFi",
4bfc4e25	222	.cpu_dai_name = "pxa2xx-ac97",
f0fba2ad LG	223	.codec_dai_name = "wm9712-hifi",
	224	.platform_name = "pxa-pcm-audio",
	225	.codec_name = "wm9712-codec",
1b49cb98	226	.init = tosa_ac97_init,
cb4c048b	227	.ops = &tosa_ops,
1b49cb98 LG	228	},
	229	{
	230	.name = "AC97 Aux",
	231	.stream_name = "AC97 Aux",
4bfc4e25	232	.cpu_dai_name = "pxa2xx-ac97-aux",
f0fba2ad LG	233	.codec_dai_name = "wm9712-aux",
	234	.platform_name = "pxa-pcm-audio",
	235	.codec_name = "wm9712-codec",
cb4c048b	236	.ops = &tosa_ops,
1b49cb98 LG	237	},
	238	};
	239
e7361ec4	240	static int tosa_probe(struct snd_soc_card *card)
5c0d7bb7 DB	241	{
	242	int ret;
	243
	244	ret = gpio_request(TOSA_GPIO_L_MUTE, "Headphone Jack");
	245	if (ret)
	246	return ret;
	247	ret = gpio_direction_output(TOSA_GPIO_L_MUTE, 0);
	248	if (ret)
	249	gpio_free(TOSA_GPIO_L_MUTE);
	250
	251	return ret;
	252	}
	253
e7361ec4	254	static int tosa_remove(struct snd_soc_card *card)
5c0d7bb7 DB	255	{
	256	gpio_free(TOSA_GPIO_L_MUTE);
	257	return 0;
	258	}
	259
87506549	260	static struct snd_soc_card tosa = {
1b49cb98 LG	261	.name = "Tosa",
	262	.dai_link = tosa_dai,
	263	.num_links = ARRAY_SIZE(tosa_dai),
5c0d7bb7 DB	264	.probe = tosa_probe,
5c0d7bb7 DB	265	.remove = tosa_remove,
1b49cb98 LG	266	};
1b49cb98 LG	267
1b49cb98 LG	268	static struct platform_device *tosa_snd_device;
	269
	270	static int __init tosa_init(void)
	271	{
	272	int ret;
	273
	274	if (!machine_is_tosa())
	275	return -ENODEV;
	276
	277	tosa_snd_device = platform_device_alloc("soc-audio", -1);
4440cbd6 DB	278	if (!tosa_snd_device) {
	279	ret = -ENOMEM;
	280	goto err_alloc;
	281	}
1b49cb98	282
f0fba2ad	283	platform_set_drvdata(tosa_snd_device, &tosa);
1b49cb98 LG	284	ret = platform_device_add(tosa_snd_device);
1b49cb98 LG	285
4440cbd6 DB	286	if (!ret)
	287	return 0;
	288
	289	platform_device_put(tosa_snd_device);
	290
	291	err_alloc:
1b49cb98 LG	292	return ret;
	293	}
	294
	295	static void __exit tosa_exit(void)
	296	{
	297	platform_device_unregister(tosa_snd_device);
	298	}
	299
	300	module_init(tosa_init);
	301	module_exit(tosa_exit);
	302
	303	/* Module information */
	304	MODULE_AUTHOR("Richard Purdie");
	305	MODULE_DESCRIPTION("ALSA SoC Tosa");
	306	MODULE_LICENSE("GPL");