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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
47static void tosa_ext_control(struct snd_soc_codec *codec)
48{
Liam Girdwoodce6120c2010-11-05 15:53:46 +020049 struct snd_soc_dapm_context *dapm = &codec->dapm;
50
Liam Girdwood1b49cb92006-10-12 14:33:09 +020051 /* set up jack connection */
52 switch (tosa_jack_func) {
53 case TOSA_HP:
Liam Girdwoodce6120c2010-11-05 15:53:46 +020054 snd_soc_dapm_disable_pin(dapm, "Mic (Internal)");
55 snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
56 snd_soc_dapm_disable_pin(dapm, "Headset Jack");
Liam Girdwood1b49cb92006-10-12 14:33:09 +020057 break;
58 case TOSA_MIC_INT:
Liam Girdwoodce6120c2010-11-05 15:53:46 +020059 snd_soc_dapm_enable_pin(dapm, "Mic (Internal)");
60 snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
61 snd_soc_dapm_disable_pin(dapm, "Headset Jack");
Liam Girdwood1b49cb92006-10-12 14:33:09 +020062 break;
63 case TOSA_HEADSET:
Liam Girdwoodce6120c2010-11-05 15:53:46 +020064 snd_soc_dapm_disable_pin(dapm, "Mic (Internal)");
65 snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
66 snd_soc_dapm_enable_pin(dapm, "Headset Jack");
Liam Girdwood1b49cb92006-10-12 14:33:09 +020067 break;
68 }
69
70 if (tosa_spk_func == TOSA_SPK_ON)
Liam Girdwoodce6120c2010-11-05 15:53:46 +020071 snd_soc_dapm_enable_pin(dapm, "Speaker");
Liam Girdwooda5302182008-07-07 13:35:17 +010072 else
Liam Girdwoodce6120c2010-11-05 15:53:46 +020073 snd_soc_dapm_disable_pin(dapm, "Speaker");
Liam Girdwood1b49cb92006-10-12 14:33:09 +020074
Liam Girdwoodce6120c2010-11-05 15:53:46 +020075 snd_soc_dapm_sync(dapm);
Liam Girdwood1b49cb92006-10-12 14:33:09 +020076}
77
78static int tosa_startup(struct snd_pcm_substream *substream)
79{
80 struct snd_soc_pcm_runtime *rtd = substream->private_data;
Eric Miaocb990622010-11-02 05:10:07 +080081 struct snd_soc_codec *codec = rtd->codec;
Liam Girdwood1b49cb92006-10-12 14:33:09 +020082
Mark Brown71a29562010-11-05 13:50:48 -040083 mutex_lock(&codec->mutex);
84
Liam Girdwood1b49cb92006-10-12 14:33:09 +020085 /* check the jack status at stream startup */
86 tosa_ext_control(codec);
Mark Brown71a29562010-11-05 13:50:48 -040087
88 mutex_unlock(&codec->mutex);
89
Liam Girdwood1b49cb92006-10-12 14:33:09 +020090 return 0;
91}
92
93static struct snd_soc_ops tosa_ops = {
94 .startup = tosa_startup,
95};
96
97static int tosa_get_jack(struct snd_kcontrol *kcontrol,
98 struct snd_ctl_elem_value *ucontrol)
99{
100 ucontrol->value.integer.value[0] = tosa_jack_func;
101 return 0;
102}
103
104static int tosa_set_jack(struct snd_kcontrol *kcontrol,
105 struct snd_ctl_elem_value *ucontrol)
106{
107 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
108
109 if (tosa_jack_func == ucontrol->value.integer.value[0])
110 return 0;
111
112 tosa_jack_func = ucontrol->value.integer.value[0];
113 tosa_ext_control(codec);
114 return 1;
115}
116
117static int tosa_get_spk(struct snd_kcontrol *kcontrol,
118 struct snd_ctl_elem_value *ucontrol)
119{
120 ucontrol->value.integer.value[0] = tosa_spk_func;
121 return 0;
122}
123
124static int tosa_set_spk(struct snd_kcontrol *kcontrol,
125 struct snd_ctl_elem_value *ucontrol)
126{
127 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
128
129 if (tosa_spk_func == ucontrol->value.integer.value[0])
130 return 0;
131
132 tosa_spk_func = ucontrol->value.integer.value[0];
133 tosa_ext_control(codec);
134 return 1;
135}
136
137/* tosa dapm event handlers */
Jarkko Nikula338c7ed2008-02-28 12:34:48 +0100138static int tosa_hp_event(struct snd_soc_dapm_widget *w,
139 struct snd_kcontrol *k, int event)
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200140{
Dmitry Baryshkov4440cbd2008-06-14 11:42:57 +0100141 gpio_set_value(TOSA_GPIO_L_MUTE, SND_SOC_DAPM_EVENT_ON(event) ? 1 :0);
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200142 return 0;
143}
144
145/* tosa machine dapm widgets */
146static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = {
147SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event),
148SND_SOC_DAPM_HP("Headset Jack", NULL),
149SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
150SND_SOC_DAPM_SPK("Speaker", NULL),
151};
152
153/* tosa audio map */
Dmitry Baryshkov76d39d02008-07-08 19:45:20 +0400154static const struct snd_soc_dapm_route audio_map[] = {
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200155
156 /* headphone connected to HPOUTL, HPOUTR */
157 {"Headphone Jack", NULL, "HPOUTL"},
158 {"Headphone Jack", NULL, "HPOUTR"},
159
160 /* ext speaker connected to LOUT2, ROUT2 */
161 {"Speaker", NULL, "LOUT2"},
162 {"Speaker", NULL, "ROUT2"},
163
164 /* internal mic is connected to mic1, mic2 differential - with bias */
165 {"MIC1", NULL, "Mic Bias"},
166 {"MIC2", NULL, "Mic Bias"},
167 {"Mic Bias", NULL, "Mic (Internal)"},
168
169 /* headset is connected to HPOUTR, and LINEINR with bias */
170 {"Headset Jack", NULL, "HPOUTR"},
171 {"LINEINR", NULL, "Mic Bias"},
172 {"Mic Bias", NULL, "Headset Jack"},
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200173};
174
175static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
176 "Off"};
177static const char *spk_function[] = {"On", "Off"};
178static const struct soc_enum tosa_enum[] = {
179 SOC_ENUM_SINGLE_EXT(5, jack_function),
180 SOC_ENUM_SINGLE_EXT(2, spk_function),
181};
182
183static const struct snd_kcontrol_new tosa_controls[] = {
184 SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack,
185 tosa_set_jack),
186 SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk,
187 tosa_set_spk),
188};
189
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000190static int tosa_ac97_init(struct snd_soc_pcm_runtime *rtd)
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200191{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000192 struct snd_soc_codec *codec = rtd->codec;
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200193 struct snd_soc_dapm_context *dapm = &codec->dapm;
Philipp Zabeleb5f6d752009-03-12 11:07:54 +0100194 int err;
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200195
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200196 snd_soc_dapm_nc_pin(dapm, "OUT3");
197 snd_soc_dapm_nc_pin(dapm, "MONOOUT");
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200198
199 /* add tosa specific controls */
Philipp Zabeleb5f6d752009-03-12 11:07:54 +0100200 err = snd_soc_add_controls(codec, tosa_controls,
201 ARRAY_SIZE(tosa_controls));
202 if (err < 0)
203 return err;
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200204
205 /* add tosa specific widgets */
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200206 snd_soc_dapm_new_controls(dapm, tosa_dapm_widgets,
Mark Brown25191c42008-05-13 14:55:48 +0200207 ARRAY_SIZE(tosa_dapm_widgets));
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200208
209 /* set up tosa specific audio path audio_map */
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200210 snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200211
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200212 return 0;
213}
214
215static struct snd_soc_dai_link tosa_dai[] = {
216{
217 .name = "AC97",
218 .stream_name = "AC97 HiFi",
Dmitry Eremin-Solenikov4bfc4e22011-02-23 02:29:11 +0300219 .cpu_dai_name = "pxa2xx-ac97",
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000220 .codec_dai_name = "wm9712-hifi",
221 .platform_name = "pxa-pcm-audio",
222 .codec_name = "wm9712-codec",
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200223 .init = tosa_ac97_init,
Liam Girdwoodcb4c0482007-02-02 17:23:11 +0100224 .ops = &tosa_ops,
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200225},
226{
227 .name = "AC97 Aux",
228 .stream_name = "AC97 Aux",
Dmitry Eremin-Solenikov4bfc4e22011-02-23 02:29:11 +0300229 .cpu_dai_name = "pxa2xx-ac97-aux",
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000230 .codec_dai_name = "wm9712-aux",
231 .platform_name = "pxa-pcm-audio",
232 .codec_name = "wm9712-codec",
Liam Girdwoodcb4c0482007-02-02 17:23:11 +0100233 .ops = &tosa_ops,
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200234},
235};
236
Mark Brown87506542008-11-18 20:50:34 +0000237static struct snd_soc_card tosa = {
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200238 .name = "Tosa",
Axel Lin561c6a12011-12-22 09:44:43 +0800239 .owner = THIS_MODULE,
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200240 .dai_link = tosa_dai,
241 .num_links = ARRAY_SIZE(tosa_dai),
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200242};
243
Axel Linf285b8c2011-12-15 10:57:22 +0800244static int __devinit tosa_probe(struct platform_device *pdev)
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200245{
Axel Linf285b8c2011-12-15 10:57:22 +0800246 struct snd_soc_card *card = &tosa;
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200247 int ret;
248
Axel Linf285b8c2011-12-15 10:57:22 +0800249 ret = gpio_request_one(TOSA_GPIO_L_MUTE, GPIOF_OUT_INIT_LOW,
250 "Headphone Jack");
251 if (ret)
252 return ret;
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200253
Axel Linf285b8c2011-12-15 10:57:22 +0800254 card->dev = &pdev->dev;
255
256 ret = snd_soc_register_card(card);
257 if (ret) {
258 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
259 ret);
260 gpio_free(TOSA_GPIO_L_MUTE);
Dmitry Baryshkov4440cbd2008-06-14 11:42:57 +0100261 }
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200262 return ret;
263}
264
Axel Linf285b8c2011-12-15 10:57:22 +0800265static int __devexit tosa_remove(struct platform_device *pdev)
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200266{
Axel Linf285b8c2011-12-15 10:57:22 +0800267 struct snd_soc_card *card = platform_get_drvdata(pdev);
268
269 gpio_free(TOSA_GPIO_L_MUTE);
270 snd_soc_unregister_card(card);
271 return 0;
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200272}
273
Axel Linf285b8c2011-12-15 10:57:22 +0800274static struct platform_driver tosa_driver = {
275 .driver = {
276 .name = "tosa-audio",
277 .owner = THIS_MODULE,
278 },
279 .probe = tosa_probe,
280 .remove = __devexit_p(tosa_remove),
281};
282
283module_platform_driver(tosa_driver);
Liam Girdwood1b49cb92006-10-12 14:33:09 +0200284
285/* Module information */
286MODULE_AUTHOR("Richard Purdie");
287MODULE_DESCRIPTION("ALSA SoC Tosa");
288MODULE_LICENSE("GPL");
Axel Linf285b8c2011-12-15 10:57:22 +0800289MODULE_ALIAS("platform:tosa-audio");