2 * tosa.c -- SoC audio for Tosa
4 * Copyright 2005 Wolfson Microelectronics PLC.
5 * Copyright 2005 Openedhand Ltd.
7 * Authors: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
8 * Richard Purdie <richard@openedhand.com>
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.
16 * 30th Nov 2005 Initial version.
20 * 5 - Hookswitch (headset answer/hang up switch)
24 #include <linux/module.h>
25 #include <linux/moduleparam.h>
26 #include <linux/device.h>
28 #include <sound/core.h>
29 #include <sound/pcm.h>
30 #include <sound/soc.h>
31 #include <sound/soc-dapm.h>
33 #include <asm/mach-types.h>
34 #include <asm/hardware/tmio.h>
35 #include <asm/arch/pxa-regs.h>
36 #include <asm/arch/hardware.h>
37 #include <asm/arch/audio.h>
38 #include <asm/arch/tosa.h>
40 #include "../codecs/wm9712.h"
41 #include "pxa2xx-pcm.h"
42 #include "pxa2xx-ac97.h"
44 static struct snd_soc_machine tosa;
47 #define TOSA_MIC_INT 1
48 #define TOSA_HEADSET 2
51 #define TOSA_SPK_OFF 1
53 static int tosa_jack_func;
54 static int tosa_spk_func;
56 static void tosa_ext_control(struct snd_soc_codec *codec)
58 int spk = 0, mic_int = 0, hp = 0, hs = 0;
60 /* set up jack connection */
61 switch (tosa_jack_func) {
73 if (tosa_spk_func == TOSA_SPK_ON)
76 snd_soc_dapm_set_endpoint(codec, "Speaker", spk);
77 snd_soc_dapm_set_endpoint(codec, "Mic (Internal)", mic_int);
78 snd_soc_dapm_set_endpoint(codec, "Headphone Jack", hp);
79 snd_soc_dapm_set_endpoint(codec, "Headset Jack", hs);
80 snd_soc_dapm_sync_endpoints(codec);
83 static int tosa_startup(struct snd_pcm_substream *substream)
85 struct snd_soc_pcm_runtime *rtd = substream->private_data;
86 struct snd_soc_codec *codec = rtd->socdev->codec;
88 /* check the jack status at stream startup */
89 tosa_ext_control(codec);
93 static struct snd_soc_ops tosa_ops = {
94 .startup = tosa_startup,
97 static int tosa_get_jack(struct snd_kcontrol *kcontrol,
98 struct snd_ctl_elem_value *ucontrol)
100 ucontrol->value.integer.value[0] = tosa_jack_func;
104 static int tosa_set_jack(struct snd_kcontrol *kcontrol,
105 struct snd_ctl_elem_value *ucontrol)
107 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
109 if (tosa_jack_func == ucontrol->value.integer.value[0])
112 tosa_jack_func = ucontrol->value.integer.value[0];
113 tosa_ext_control(codec);
117 static int tosa_get_spk(struct snd_kcontrol *kcontrol,
118 struct snd_ctl_elem_value *ucontrol)
120 ucontrol->value.integer.value[0] = tosa_spk_func;
124 static int tosa_set_spk(struct snd_kcontrol *kcontrol,
125 struct snd_ctl_elem_value *ucontrol)
127 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
129 if (tosa_spk_func == ucontrol->value.integer.value[0])
132 tosa_spk_func = ucontrol->value.integer.value[0];
133 tosa_ext_control(codec);
137 /* tosa dapm event handlers */
138 static int tosa_hp_event(struct snd_soc_dapm_widget *w,
139 struct snd_kcontrol *k, int event)
141 if (SND_SOC_DAPM_EVENT_ON(event))
142 set_tc6393_gpio(&tc6393_device.dev,TOSA_TC6393_L_MUTE);
144 reset_tc6393_gpio(&tc6393_device.dev,TOSA_TC6393_L_MUTE);
148 /* tosa machine dapm widgets */
149 static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = {
150 SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event),
151 SND_SOC_DAPM_HP("Headset Jack", NULL),
152 SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
153 SND_SOC_DAPM_SPK("Speaker", NULL),
157 static const snd_soc_dapm_route audio_map[] = {
159 /* headphone connected to HPOUTL, HPOUTR */
160 {"Headphone Jack", NULL, "HPOUTL"},
161 {"Headphone Jack", NULL, "HPOUTR"},
163 /* ext speaker connected to LOUT2, ROUT2 */
164 {"Speaker", NULL, "LOUT2"},
165 {"Speaker", NULL, "ROUT2"},
167 /* internal mic is connected to mic1, mic2 differential - with bias */
168 {"MIC1", NULL, "Mic Bias"},
169 {"MIC2", NULL, "Mic Bias"},
170 {"Mic Bias", NULL, "Mic (Internal)"},
172 /* headset is connected to HPOUTR, and LINEINR with bias */
173 {"Headset Jack", NULL, "HPOUTR"},
174 {"LINEINR", NULL, "Mic Bias"},
175 {"Mic Bias", NULL, "Headset Jack"},
178 static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
180 static const char *spk_function[] = {"On", "Off"};
181 static const struct soc_enum tosa_enum[] = {
182 SOC_ENUM_SINGLE_EXT(5, jack_function),
183 SOC_ENUM_SINGLE_EXT(2, spk_function),
186 static const struct snd_kcontrol_new tosa_controls[] = {
187 SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack,
189 SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk,
193 static int tosa_ac97_init(struct snd_soc_codec *codec)
197 snd_soc_dapm_set_endpoint(codec, "OUT3", 0);
198 snd_soc_dapm_set_endpoint(codec, "MONOOUT", 0);
200 /* add tosa specific controls */
201 for (i = 0; i < ARRAY_SIZE(tosa_controls); i++) {
202 err = snd_ctl_add(codec->card,
203 snd_soc_cnew(&tosa_controls[i],codec, NULL));
208 /* add tosa specific widgets */
209 snd_soc_dapm_new_controls(codec, &tosa_dapm_widgets,
210 ARRAY_SIZE(tosa_dapm_widgets));
212 /* set up tosa specific audio path audio_map */
213 snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
215 snd_soc_dapm_sync_endpoints(codec);
219 static struct snd_soc_dai_link tosa_dai[] = {
222 .stream_name = "AC97 HiFi",
223 .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
224 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
225 .init = tosa_ac97_init,
230 .stream_name = "AC97 Aux",
231 .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
232 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
237 static struct snd_soc_machine tosa = {
239 .dai_link = tosa_dai,
240 .num_links = ARRAY_SIZE(tosa_dai),
243 static struct snd_soc_device tosa_snd_devdata = {
245 .platform = &pxa2xx_soc_platform,
246 .codec_dev = &soc_codec_dev_wm9712,
249 static struct platform_device *tosa_snd_device;
251 static int __init tosa_init(void)
255 if (!machine_is_tosa())
258 tosa_snd_device = platform_device_alloc("soc-audio", -1);
259 if (!tosa_snd_device)
262 platform_set_drvdata(tosa_snd_device, &tosa_snd_devdata);
263 tosa_snd_devdata.dev = &tosa_snd_device->dev;
264 ret = platform_device_add(tosa_snd_device);
267 platform_device_put(tosa_snd_device);
272 static void __exit tosa_exit(void)
274 platform_device_unregister(tosa_snd_device);
277 module_init(tosa_init);
278 module_exit(tosa_exit);
280 /* Module information */
281 MODULE_AUTHOR("Richard Purdie");
282 MODULE_DESCRIPTION("ALSA SoC Tosa");
283 MODULE_LICENSE("GPL");