[mirror_ubuntu-jammy-kernel.git] / sound / soc / pxa / tosa.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * 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>
 *
 * 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>

#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_dapm_context *dapm)
{

	snd_soc_dapm_mutex_lock(dapm);

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

	if (tosa_spk_func == TOSA_SPK_ON)
		snd_soc_dapm_enable_pin_unlocked(dapm, "Speaker");
	else
		snd_soc_dapm_disable_pin_unlocked(dapm, "Speaker");

	snd_soc_dapm_sync_unlocked(dapm);

	snd_soc_dapm_mutex_unlock(dapm);
}

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

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

	return 0;
}

static const 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.enumerated.item[0] = tosa_jack_func;
	return 0;
}

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

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

	tosa_jack_func = ucontrol->value.enumerated.item[0];
	tosa_ext_control(&card->dapm);
	return 1;
}

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

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

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

	tosa_spk_func = ucontrol->value.enumerated.item[0];
	tosa_ext_control(&card->dapm);
	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 * const jack_function[] = {"Headphone", "Mic", "Line",
	"Headset", "Off"};
static const char * const 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 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",
	.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 struct snd_soc_card tosa = {
	.name = "Tosa",
	.owner = THIS_MODULE,
	.dai_link = tosa_dai,
	.num_links = ARRAY_SIZE(tosa_dai),

	.controls = tosa_controls,
	.num_controls = ARRAY_SIZE(tosa_controls),
	.dapm_widgets = tosa_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(tosa_dapm_widgets),
	.dapm_routes = audio_map,
	.num_dapm_routes = ARRAY_SIZE(audio_map),
	.fully_routed = true,
};

static int tosa_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &tosa;
	int ret;

	ret = gpio_request_one(TOSA_GPIO_L_MUTE, GPIOF_OUT_INIT_LOW,
			       "Headphone Jack");
	if (ret)
		return ret;

	card->dev = &pdev->dev;

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

static int tosa_remove(struct platform_device *pdev)
{
	gpio_free(TOSA_GPIO_L_MUTE);
	return 0;
}

static struct platform_driver tosa_driver = {
	.driver		= {
		.name	= "tosa-audio",
		.pm     = &snd_soc_pm_ops,
	},
	.probe		= tosa_probe,
	.remove		= tosa_remove,
};

module_platform_driver(tosa_driver);

/* Module information */
MODULE_AUTHOR("Richard Purdie");
MODULE_DESCRIPTION("ALSA SoC Tosa");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:tosa-audio");
Commit	Line	Data
2874c5fd	1	// SPDX-License-Identifier: GPL-2.0-or-later
1b49cb98 LG	2	/*
	3	* tosa.c -- SoC audio for Tosa
	4	*
	5	* Copyright 2005 Wolfson Microelectronics PLC.
	6	* Copyright 2005 Openedhand Ltd.
	7	*
d331124d	8	* Authors: Liam Girdwood <lrg@slimlogic.co.uk>
1b49cb98 LG	9	* Richard Purdie <richard@openedhand.com>
1b49cb98 LG	10	*
1b49cb98 LG	11	* GPIO's
	12	* 1 - Jack Insertion
	13	* 5 - Hookswitch (headset answer/hang up switch)
1b49cb98 LG	14	*/
	15
	16	#include <linux/module.h>
	17	#include <linux/moduleparam.h>
	18	#include <linux/device.h>
4440cbd6	19	#include <linux/gpio.h>
1b49cb98	20
1b49cb98 LG	21	#include <sound/core.h>
	22	#include <sound/pcm.h>
	23	#include <sound/soc.h>
1b49cb98 LG	24
1b49cb98 LG	25	#include <asm/mach-types.h>
a09e64fb	26	#include <mach/tosa.h>
a09e64fb	27	#include <mach/audio.h>
1b49cb98	28
1b49cb98 LG	29	#define TOSA_HP 0
	30	#define TOSA_MIC_INT 1
	31	#define TOSA_HEADSET 2
	32	#define TOSA_HP_OFF 3
	33	#define TOSA_SPK_ON 0
	34	#define TOSA_SPK_OFF 1
	35
	36	static int tosa_jack_func;
	37	static int tosa_spk_func;
	38
079942ab	39	static void tosa_ext_control(struct snd_soc_dapm_context *dapm)
1b49cb98	40	{
ce6120cc	41
26e24ddc CK	42	snd_soc_dapm_mutex_lock(dapm);
26e24ddc CK	43
1b49cb98 LG	44	/* set up jack connection */
	45	switch (tosa_jack_func) {
	46	case TOSA_HP:
26e24ddc CK	47	snd_soc_dapm_disable_pin_unlocked(dapm, "Mic (Internal)");
	48	snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
	49	snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
1b49cb98 LG	50	break;
1b49cb98 LG	51	case TOSA_MIC_INT:
26e24ddc CK	52	snd_soc_dapm_enable_pin_unlocked(dapm, "Mic (Internal)");
	53	snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
	54	snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
1b49cb98 LG	55	break;
1b49cb98 LG	56	case TOSA_HEADSET:
26e24ddc CK	57	snd_soc_dapm_disable_pin_unlocked(dapm, "Mic (Internal)");
	58	snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
	59	snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack");
1b49cb98 LG	60	break;
	61	}
	62
	63	if (tosa_spk_func == TOSA_SPK_ON)
26e24ddc	64	snd_soc_dapm_enable_pin_unlocked(dapm, "Speaker");
a5302181	65	else
26e24ddc CK	66	snd_soc_dapm_disable_pin_unlocked(dapm, "Speaker");
	67
	68	snd_soc_dapm_sync_unlocked(dapm);
1b49cb98	69
26e24ddc	70	snd_soc_dapm_mutex_unlock(dapm);
1b49cb98 LG	71	}
	72
	73	static int tosa_startup(struct snd_pcm_substream *substream)
	74	{
	75	struct snd_soc_pcm_runtime *rtd = substream->private_data;
1b49cb98 LG	76
1b49cb98 LG	77	/* check the jack status at stream startup */
079942ab	78	tosa_ext_control(&rtd->card->dapm);
71a29560	79
1b49cb98 LG	80	return 0;
	81	}
	82
943b7311	83	static const struct snd_soc_ops tosa_ops = {
1b49cb98 LG	84	.startup = tosa_startup,
	85	};
	86
	87	static int tosa_get_jack(struct snd_kcontrol *kcontrol,
	88	struct snd_ctl_elem_value *ucontrol)
	89	{
419396d5	90	ucontrol->value.enumerated.item[0] = tosa_jack_func;
1b49cb98 LG	91	return 0;
	92	}
	93
	94	static int tosa_set_jack(struct snd_kcontrol *kcontrol,
	95	struct snd_ctl_elem_value *ucontrol)
	96	{
079942ab	97	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
1b49cb98	98
419396d5	99	if (tosa_jack_func == ucontrol->value.enumerated.item[0])
1b49cb98 LG	100	return 0;
1b49cb98 LG	101
419396d5	102	tosa_jack_func = ucontrol->value.enumerated.item[0];
079942ab	103	tosa_ext_control(&card->dapm);
1b49cb98 LG	104	return 1;
	105	}
	106
	107	static int tosa_get_spk(struct snd_kcontrol *kcontrol,
	108	struct snd_ctl_elem_value *ucontrol)
	109	{
419396d5	110	ucontrol->value.enumerated.item[0] = tosa_spk_func;
1b49cb98 LG	111	return 0;
	112	}
	113
	114	static int tosa_set_spk(struct snd_kcontrol *kcontrol,
	115	struct snd_ctl_elem_value *ucontrol)
	116	{
079942ab	117	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
1b49cb98	118
419396d5	119	if (tosa_spk_func == ucontrol->value.enumerated.item[0])
1b49cb98 LG	120	return 0;
1b49cb98 LG	121
419396d5	122	tosa_spk_func = ucontrol->value.enumerated.item[0];
079942ab	123	tosa_ext_control(&card->dapm);
1b49cb98 LG	124	return 1;
	125	}
	126
	127	/* tosa dapm event handlers */
338c7ed0 JN	128	static int tosa_hp_event(struct snd_soc_dapm_widget *w,
338c7ed0 JN	129	struct snd_kcontrol *k, int event)
1b49cb98	130	{
ca87cfad	131	gpio_set_value(TOSA_GPIO_L_MUTE, SND_SOC_DAPM_EVENT_ON(event) ? 1 : 0);
1b49cb98 LG	132	return 0;
	133	}
	134
	135	/* tosa machine dapm widgets */
	136	static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = {
	137	SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event),
	138	SND_SOC_DAPM_HP("Headset Jack", NULL),
	139	SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
	140	SND_SOC_DAPM_SPK("Speaker", NULL),
	141	};
	142
	143	/* tosa audio map */
76d39d0a	144	static const struct snd_soc_dapm_route audio_map[] = {
1b49cb98 LG	145
	146	/* headphone connected to HPOUTL, HPOUTR */
	147	{"Headphone Jack", NULL, "HPOUTL"},
	148	{"Headphone Jack", NULL, "HPOUTR"},
	149
	150	/* ext speaker connected to LOUT2, ROUT2 */
	151	{"Speaker", NULL, "LOUT2"},
	152	{"Speaker", NULL, "ROUT2"},
	153
	154	/* internal mic is connected to mic1, mic2 differential - with bias */
	155	{"MIC1", NULL, "Mic Bias"},
	156	{"MIC2", NULL, "Mic Bias"},
	157	{"Mic Bias", NULL, "Mic (Internal)"},
	158
	159	/* headset is connected to HPOUTR, and LINEINR with bias */
	160	{"Headset Jack", NULL, "HPOUTR"},
	161	{"LINEINR", NULL, "Mic Bias"},
	162	{"Mic Bias", NULL, "Headset Jack"},
1b49cb98 LG	163	};
1b49cb98 LG	164
92be5810 LPC	165	static const char * const jack_function[] = {"Headphone", "Mic", "Line",
	166	"Headset", "Off"};
	167	static const char * const spk_function[] = {"On", "Off"};
1b49cb98 LG	168	static const struct soc_enum tosa_enum[] = {
	169	SOC_ENUM_SINGLE_EXT(5, jack_function),
	170	SOC_ENUM_SINGLE_EXT(2, spk_function),
	171	};
	172
	173	static const struct snd_kcontrol_new tosa_controls[] = {
	174	SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack,
	175	tosa_set_jack),
	176	SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk,
	177	tosa_set_spk),
	178	};
	179
1b49cb98 LG	180	static struct snd_soc_dai_link tosa_dai[] = {
	181	{
	182	.name = "AC97",
	183	.stream_name = "AC97 HiFi",
4bfc4e25	184	.cpu_dai_name = "pxa2xx-ac97",
f0fba2ad LG	185	.codec_dai_name = "wm9712-hifi",
	186	.platform_name = "pxa-pcm-audio",
	187	.codec_name = "wm9712-codec",
cb4c048b	188	.ops = &tosa_ops,
1b49cb98 LG	189	},
	190	{
	191	.name = "AC97 Aux",
	192	.stream_name = "AC97 Aux",
4bfc4e25	193	.cpu_dai_name = "pxa2xx-ac97-aux",
f0fba2ad LG	194	.codec_dai_name = "wm9712-aux",
	195	.platform_name = "pxa-pcm-audio",
	196	.codec_name = "wm9712-codec",
cb4c048b	197	.ops = &tosa_ops,
1b49cb98 LG	198	},
	199	};
	200
87506549	201	static struct snd_soc_card tosa = {
1b49cb98	202	.name = "Tosa",
561c6a17	203	.owner = THIS_MODULE,
1b49cb98 LG	204	.dai_link = tosa_dai,
1b49cb98 LG	205	.num_links = ARRAY_SIZE(tosa_dai),
079942ab LPC	206
	207	.controls = tosa_controls,
	208	.num_controls = ARRAY_SIZE(tosa_controls),
	209	.dapm_widgets = tosa_dapm_widgets,
	210	.num_dapm_widgets = ARRAY_SIZE(tosa_dapm_widgets),
	211	.dapm_routes = audio_map,
	212	.num_dapm_routes = ARRAY_SIZE(audio_map),
c02e723f	213	.fully_routed = true,
1b49cb98 LG	214	};
1b49cb98 LG	215
570f6fe1	216	static int tosa_probe(struct platform_device *pdev)
1b49cb98	217	{
f285b8c8	218	struct snd_soc_card *card = &tosa;
1b49cb98 LG	219	int ret;
1b49cb98 LG	220
f285b8c8 AL	221	ret = gpio_request_one(TOSA_GPIO_L_MUTE, GPIOF_OUT_INIT_LOW,
	222	"Headphone Jack");
	223	if (ret)
	224	return ret;
4440cbd6	225
f285b8c8	226	card->dev = &pdev->dev;
4440cbd6	227
2fd7076a	228	ret = devm_snd_soc_register_card(&pdev->dev, card);
f285b8c8 AL	229	if (ret) {
	230	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
	231	ret);
	232	gpio_free(TOSA_GPIO_L_MUTE);
	233	}
1b49cb98 LG	234	return ret;
	235	}
	236
570f6fe1	237	static int tosa_remove(struct platform_device *pdev)
1b49cb98	238	{
f285b8c8	239	gpio_free(TOSA_GPIO_L_MUTE);
f285b8c8	240	return 0;
1b49cb98 LG	241	}
1b49cb98 LG	242
f285b8c8 AL	243	static struct platform_driver tosa_driver = {
	244	.driver = {
	245	.name = "tosa-audio",
7db1698f	246	.pm = &snd_soc_pm_ops,
f285b8c8 AL	247	},
f285b8c8 AL	248	.probe = tosa_probe,
570f6fe1	249	.remove = tosa_remove,
f285b8c8 AL	250	};
	251
	252	module_platform_driver(tosa_driver);
1b49cb98 LG	253
	254	/* Module information */
	255	MODULE_AUTHOR("Richard Purdie");
	256	MODULE_DESCRIPTION("ALSA SoC Tosa");
	257	MODULE_LICENSE("GPL");
f285b8c8	258	MODULE_ALIAS("platform:tosa-audio");