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Liam Girdwood1b49cb92006-10-12 14:33:09 +02001/*
2 * tosa.c -- SoC audio for Tosa
3 *
4 * Copyright 2005 Wolfson Microelectronics PLC.
5 * Copyright 2005 Openedhand Ltd.
6 *
Liam Girdwoodd3311242008-10-12 13:17:36 +01007 * Authors: Liam Girdwood <lrg@slimlogic.co.uk>
Liam Girdwood1b49cb92006-10-12 14:33:09 +02008 * 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 *
Liam Girdwood1b49cb92006-10-12 14:33:09 +020015 * 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>
Dmitry Baryshkov4440cbd2008-06-14 11:42:57 +010024#include <linux/gpio.h>
Liam Girdwood1b49cb92006-10-12 14:33:09 +020025
Liam Girdwood1b49cb92006-10-12 14:33:09 +020026#include <sound/core.h>
27#include <sound/pcm.h>
28#include <sound/soc.h>
Liam Girdwood1b49cb92006-10-12 14:33:09 +020029
30#include <asm/mach-types.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010031#include <mach/tosa.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010032#include <mach/audio.h>
Liam Girdwood1b49cb92006-10-12 14:33:09 +020033
34#include "../codecs/wm9712.h"
Liam Girdwoodcb4c0482007-02-02 17:23:11 +010035#include "pxa2xx-ac97.h"
Liam Girdwood1b49cb92006-10-12 14:33:09 +020036
Liam Girdwood1b49cb92006-10-12 14:33:09 +020037#define TOSA_HP 0
38#define TOSA_MIC_INT 1
39#define TOSA_HEADSET 2
40#define TOSA_HP_OFF 3
41#define TOSA_SPK_ON 0
42#define TOSA_SPK_OFF 1
43
44static int tosa_jack_func;
45static int tosa_spk_func;
46
Lars-Peter Clausen079942a2014-03-12 15:27:39 +010047static void tosa_ext_control(struct snd_soc_dapm_context *dapm)
Liam Girdwood1b49cb92006-10-12 14:33:09 +020048{
Liam Girdwoodce6120c2010-11-05 15:53:46 +020049
Charles Keepax26e24dd2014-02-18 15:22:28 +000050 snd_soc_dapm_mutex_lock(dapm);
51
Liam Girdwood1b49cb92006-10-12 14:33:09 +020052 /* set up jack connection */
53 switch (tosa_jack_func) {
54 case TOSA_HP:
Charles Keepax26e24dd2014-02-18 15:22:28 +000055 snd_soc_dapm_disable_pin_unlocked(dapm, "Mic (Internal)");
56 snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
57 snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
Liam Girdwood1b49cb92006-10-12 14:33:09 +020058 break;
59 case TOSA_MIC_INT:
Charles Keepax26e24dd2014-02-18 15:22:28 +000060 snd_soc_dapm_enable_pin_unlocked(dapm, "Mic (Internal)");
61 snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
62 snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
Liam Girdwood1b49cb92006-10-12 14:33:09 +020063 break;
64 case TOSA_HEADSET:
Charles Keepax26e24dd2014-02-18 15:22:28 +000065 snd_soc_dapm_disable_pin_unlocked(dapm, "Mic (Internal)");
66 snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
67 snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack");
Liam Girdwood1b49cb92006-10-12 14:33:09 +020068 break;
69 }
70
71 if (tosa_spk_func == TOSA_SPK_ON)
Charles Keepax26e24dd2014-02-18 15:22:28 +000072 snd_soc_dapm_enable_pin_unlocked(dapm, "Speaker");
Liam Girdwooda5302182008-07-07 13:35:17 +010073 else
Charles Keepax26e24dd2014-02-18 15:22:28 +000074 snd_soc_dapm_disable_pin_unlocked(dapm, "Speaker");
Liam Girdwood1b49cb92006-10-12 14:33:09 +020075
Charles Keepax26e24dd2014-02-18 15:22:28 +000076 snd_soc_dapm_sync_unlocked(dapm);
77
78 snd_soc_dapm_mutex_unlock(dapm);
Liam Girdwood1b49cb92006-10-12 14:33:09 +020079}
80
81static int tosa_startup(struct snd_pcm_substream *substream)
82{
83 struct snd_soc_pcm_runtime *rtd = substream->private_data;
Liam Girdwood1b49cb92006-10-12 14:33:09 +020084
85 /* check the jack status at stream startup */
Lars-Peter Clausen079942a2014-03-12 15:27:39 +010086 tosa_ext_control(&rtd->card->dapm);
Mark Brown71a29562010-11-05 13:50:48 -040087
Liam Girdwood1b49cb92006-10-12 14:33:09 +020088 return 0;
89}
90
91static struct snd_soc_ops tosa_ops = {
92 .startup = tosa_startup,
93};
94
95static int tosa_get_jack(struct snd_kcontrol *kcontrol,
96 struct snd_ctl_elem_value *ucontrol)
97{
98 ucontrol->value.integer.value[0] = tosa_jack_func;
99 return 0;
100}
101
102static int tosa_set_jack(struct snd_kcontrol *kcontrol,
103 struct snd_ctl_elem_value *ucontrol)
104{
Lars-Peter Clausen079942a2014-03-12 15:27:39 +0100105 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200106
107 if (tosa_jack_func == ucontrol->value.integer.value[0])
108 return 0;
109
110 tosa_jack_func = ucontrol->value.integer.value[0];
Lars-Peter Clausen079942a2014-03-12 15:27:39 +0100111 tosa_ext_control(&card->dapm);
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200112 return 1;
113}
114
115static int tosa_get_spk(struct snd_kcontrol *kcontrol,
116 struct snd_ctl_elem_value *ucontrol)
117{
118 ucontrol->value.integer.value[0] = tosa_spk_func;
119 return 0;
120}
121
122static int tosa_set_spk(struct snd_kcontrol *kcontrol,
123 struct snd_ctl_elem_value *ucontrol)
124{
Lars-Peter Clausen079942a2014-03-12 15:27:39 +0100125 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200126
127 if (tosa_spk_func == ucontrol->value.integer.value[0])
128 return 0;
129
130 tosa_spk_func = ucontrol->value.integer.value[0];
Lars-Peter Clausen079942a2014-03-12 15:27:39 +0100131 tosa_ext_control(&card->dapm);
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200132 return 1;
133}
134
135/* tosa dapm event handlers */
Jarkko Nikula338c7ed2008-02-28 12:34:48 +0100136static int tosa_hp_event(struct snd_soc_dapm_widget *w,
137 struct snd_kcontrol *k, int event)
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200138{
Dmitry Baryshkov4440cbd2008-06-14 11:42:57 +0100139 gpio_set_value(TOSA_GPIO_L_MUTE, SND_SOC_DAPM_EVENT_ON(event) ? 1 :0);
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200140 return 0;
141}
142
143/* tosa machine dapm widgets */
144static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = {
145SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event),
146SND_SOC_DAPM_HP("Headset Jack", NULL),
147SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
148SND_SOC_DAPM_SPK("Speaker", NULL),
149};
150
151/* tosa audio map */
Dmitry Baryshkov76d39d02008-07-08 19:45:20 +0400152static const struct snd_soc_dapm_route audio_map[] = {
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200153
154 /* headphone connected to HPOUTL, HPOUTR */
155 {"Headphone Jack", NULL, "HPOUTL"},
156 {"Headphone Jack", NULL, "HPOUTR"},
157
158 /* ext speaker connected to LOUT2, ROUT2 */
159 {"Speaker", NULL, "LOUT2"},
160 {"Speaker", NULL, "ROUT2"},
161
162 /* internal mic is connected to mic1, mic2 differential - with bias */
163 {"MIC1", NULL, "Mic Bias"},
164 {"MIC2", NULL, "Mic Bias"},
165 {"Mic Bias", NULL, "Mic (Internal)"},
166
167 /* headset is connected to HPOUTR, and LINEINR with bias */
168 {"Headset Jack", NULL, "HPOUTR"},
169 {"LINEINR", NULL, "Mic Bias"},
170 {"Mic Bias", NULL, "Headset Jack"},
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200171};
172
173static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
174 "Off"};
175static const char *spk_function[] = {"On", "Off"};
176static const struct soc_enum tosa_enum[] = {
177 SOC_ENUM_SINGLE_EXT(5, jack_function),
178 SOC_ENUM_SINGLE_EXT(2, spk_function),
179};
180
181static const struct snd_kcontrol_new tosa_controls[] = {
182 SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack,
183 tosa_set_jack),
184 SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk,
185 tosa_set_spk),
186};
187
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200188static struct snd_soc_dai_link tosa_dai[] = {
189{
190 .name = "AC97",
191 .stream_name = "AC97 HiFi",
Dmitry Eremin-Solenikov4bfc4e22011-02-23 02:29:11 +0300192 .cpu_dai_name = "pxa2xx-ac97",
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000193 .codec_dai_name = "wm9712-hifi",
194 .platform_name = "pxa-pcm-audio",
195 .codec_name = "wm9712-codec",
Liam Girdwoodcb4c0482007-02-02 17:23:11 +0100196 .ops = &tosa_ops,
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200197},
198{
199 .name = "AC97 Aux",
200 .stream_name = "AC97 Aux",
Dmitry Eremin-Solenikov4bfc4e22011-02-23 02:29:11 +0300201 .cpu_dai_name = "pxa2xx-ac97-aux",
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000202 .codec_dai_name = "wm9712-aux",
203 .platform_name = "pxa-pcm-audio",
204 .codec_name = "wm9712-codec",
Liam Girdwoodcb4c0482007-02-02 17:23:11 +0100205 .ops = &tosa_ops,
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200206},
207};
208
Mark Brown87506542008-11-18 20:50:34 +0000209static struct snd_soc_card tosa = {
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200210 .name = "Tosa",
Axel Lin561c6a12011-12-22 09:44:43 +0800211 .owner = THIS_MODULE,
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200212 .dai_link = tosa_dai,
213 .num_links = ARRAY_SIZE(tosa_dai),
Lars-Peter Clausen079942a2014-03-12 15:27:39 +0100214
215 .controls = tosa_controls,
216 .num_controls = ARRAY_SIZE(tosa_controls),
217 .dapm_widgets = tosa_dapm_widgets,
218 .num_dapm_widgets = ARRAY_SIZE(tosa_dapm_widgets),
219 .dapm_routes = audio_map,
220 .num_dapm_routes = ARRAY_SIZE(audio_map),
Lars-Peter Clausenc02e7232015-05-07 21:27:48 +0200221 .fully_routed = true,
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200222};
223
Bill Pemberton570f6fe2012-12-07 09:26:17 -0500224static int tosa_probe(struct platform_device *pdev)
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200225{
Axel Linf285b8c2011-12-15 10:57:22 +0800226 struct snd_soc_card *card = &tosa;
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200227 int ret;
228
Axel Linf285b8c2011-12-15 10:57:22 +0800229 ret = gpio_request_one(TOSA_GPIO_L_MUTE, GPIOF_OUT_INIT_LOW,
230 "Headphone Jack");
231 if (ret)
232 return ret;
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200233
Axel Linf285b8c2011-12-15 10:57:22 +0800234 card->dev = &pdev->dev;
235
Axel Lin2fd70762015-09-01 10:32:59 +0800236 ret = devm_snd_soc_register_card(&pdev->dev, card);
Axel Linf285b8c2011-12-15 10:57:22 +0800237 if (ret) {
238 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
239 ret);
240 gpio_free(TOSA_GPIO_L_MUTE);
Dmitry Baryshkov4440cbd2008-06-14 11:42:57 +0100241 }
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200242 return ret;
243}
244
Bill Pemberton570f6fe2012-12-07 09:26:17 -0500245static int tosa_remove(struct platform_device *pdev)
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200246{
Axel Linf285b8c2011-12-15 10:57:22 +0800247 gpio_free(TOSA_GPIO_L_MUTE);
Axel Linf285b8c2011-12-15 10:57:22 +0800248 return 0;
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200249}
250
Axel Linf285b8c2011-12-15 10:57:22 +0800251static struct platform_driver tosa_driver = {
252 .driver = {
253 .name = "tosa-audio",
Dmitry Eremin-Solenikov7db16982013-10-17 14:01:37 +0400254 .pm = &snd_soc_pm_ops,
Axel Linf285b8c2011-12-15 10:57:22 +0800255 },
256 .probe = tosa_probe,
Bill Pemberton570f6fe2012-12-07 09:26:17 -0500257 .remove = tosa_remove,
Axel Linf285b8c2011-12-15 10:57:22 +0800258};
259
260module_platform_driver(tosa_driver);
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200261
262/* Module information */
263MODULE_AUTHOR("Richard Purdie");
264MODULE_DESCRIPTION("ALSA SoC Tosa");
265MODULE_LICENSE("GPL");
Axel Linf285b8c2011-12-15 10:57:22 +0800266MODULE_ALIAS("platform:tosa-audio");