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.
17 * 5 - Hookswitch (headset answer/hang up switch)
21 #include <linux/module.h>
22 #include <linux/moduleparam.h>
23 #include <linux/device.h>
25 #include <sound/core.h>
26 #include <sound/pcm.h>
27 #include <sound/soc.h>
28 #include <sound/soc-dapm.h>
30 #include <asm/mach-types.h>
31 #include <asm/hardware/tmio.h>
32 #include <asm/arch/pxa-regs.h>
33 #include <asm/arch/hardware.h>
34 #include <asm/arch/audio.h>
35 #include <asm/arch/tosa.h>
37 #include "../codecs/wm9712.h"
38 #include "pxa2xx-pcm.h"
39 #include "pxa2xx-ac97.h"
41 static struct snd_soc_machine tosa;
44 #define TOSA_MIC_INT 1
45 #define TOSA_HEADSET 2
48 #define TOSA_SPK_OFF 1
50 static int tosa_jack_func;
51 static int tosa_spk_func;
53 static void tosa_ext_control(struct snd_soc_codec *codec)
55 int spk = 0, mic_int = 0, hp = 0, hs = 0;
57 /* set up jack connection */
58 switch (tosa_jack_func) {
70 if (tosa_spk_func == TOSA_SPK_ON)
73 snd_soc_dapm_set_endpoint(codec, "Speaker", spk);
74 snd_soc_dapm_set_endpoint(codec, "Mic (Internal)", mic_int);
75 snd_soc_dapm_set_endpoint(codec, "Headphone Jack", hp);
76 snd_soc_dapm_set_endpoint(codec, "Headset Jack", hs);
77 snd_soc_dapm_sync_endpoints(codec);
80 static int tosa_startup(struct snd_pcm_substream *substream)
82 struct snd_soc_pcm_runtime *rtd = substream->private_data;
83 struct snd_soc_codec *codec = rtd->socdev->codec;
85 /* check the jack status at stream startup */
86 tosa_ext_control(codec);
90 static struct snd_soc_ops tosa_ops = {
91 .startup = tosa_startup,
94 static int tosa_get_jack(struct snd_kcontrol *kcontrol,
95 struct snd_ctl_elem_value *ucontrol)
97 ucontrol->value.integer.value[0] = tosa_jack_func;
101 static int tosa_set_jack(struct snd_kcontrol *kcontrol,
102 struct snd_ctl_elem_value *ucontrol)
104 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
106 if (tosa_jack_func == ucontrol->value.integer.value[0])
109 tosa_jack_func = ucontrol->value.integer.value[0];
110 tosa_ext_control(codec);
114 static int tosa_get_spk(struct snd_kcontrol *kcontrol,
115 struct snd_ctl_elem_value *ucontrol)
117 ucontrol->value.integer.value[0] = tosa_spk_func;
121 static int tosa_set_spk(struct snd_kcontrol *kcontrol,
122 struct snd_ctl_elem_value *ucontrol)
124 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
126 if (tosa_spk_func == ucontrol->value.integer.value[0])
129 tosa_spk_func = ucontrol->value.integer.value[0];
130 tosa_ext_control(codec);
134 /* tosa dapm event handlers */
135 static int tosa_hp_event(struct snd_soc_dapm_widget *w,
136 struct snd_kcontrol *k, int event)
138 if (SND_SOC_DAPM_EVENT_ON(event))
139 set_tc6393_gpio(&tc6393_device.dev,TOSA_TC6393_L_MUTE);
141 reset_tc6393_gpio(&tc6393_device.dev,TOSA_TC6393_L_MUTE);
145 /* tosa machine dapm widgets */
146 static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = {
147 SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event),
148 SND_SOC_DAPM_HP("Headset Jack", NULL),
149 SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
150 SND_SOC_DAPM_SPK("Speaker", NULL),
154 static const snd_soc_dapm_route audio_map[] = {
156 /* headphone connected to HPOUTL, HPOUTR */
157 {"Headphone Jack", NULL, "HPOUTL"},
158 {"Headphone Jack", NULL, "HPOUTR"},
160 /* ext speaker connected to LOUT2, ROUT2 */
161 {"Speaker", NULL, "LOUT2"},
162 {"Speaker", NULL, "ROUT2"},
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)"},
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"},
175 static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
177 static const char *spk_function[] = {"On", "Off"};
178 static const struct soc_enum tosa_enum[] = {
179 SOC_ENUM_SINGLE_EXT(5, jack_function),
180 SOC_ENUM_SINGLE_EXT(2, spk_function),
183 static const struct snd_kcontrol_new tosa_controls[] = {
184 SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack,
186 SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk,
190 static int tosa_ac97_init(struct snd_soc_codec *codec)
194 snd_soc_dapm_set_endpoint(codec, "OUT3", 0);
195 snd_soc_dapm_set_endpoint(codec, "MONOOUT", 0);
197 /* add tosa specific controls */
198 for (i = 0; i < ARRAY_SIZE(tosa_controls); i++) {
199 err = snd_ctl_add(codec->card,
200 snd_soc_cnew(&tosa_controls[i],codec, NULL));
205 /* add tosa specific widgets */
206 snd_soc_dapm_new_controls(codec, &tosa_dapm_widgets,
207 ARRAY_SIZE(tosa_dapm_widgets));
209 /* set up tosa specific audio path audio_map */
210 snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
212 snd_soc_dapm_sync_endpoints(codec);
216 static struct snd_soc_dai_link tosa_dai[] = {
219 .stream_name = "AC97 HiFi",
220 .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
221 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
222 .init = tosa_ac97_init,
227 .stream_name = "AC97 Aux",
228 .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
229 .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
234 static struct snd_soc_machine tosa = {
236 .dai_link = tosa_dai,
237 .num_links = ARRAY_SIZE(tosa_dai),
240 static struct snd_soc_device tosa_snd_devdata = {
242 .platform = &pxa2xx_soc_platform,
243 .codec_dev = &soc_codec_dev_wm9712,
246 static struct platform_device *tosa_snd_device;
248 static int __init tosa_init(void)
252 if (!machine_is_tosa())
255 tosa_snd_device = platform_device_alloc("soc-audio", -1);
256 if (!tosa_snd_device)
259 platform_set_drvdata(tosa_snd_device, &tosa_snd_devdata);
260 tosa_snd_devdata.dev = &tosa_snd_device->dev;
261 ret = platform_device_add(tosa_snd_device);
264 platform_device_put(tosa_snd_device);
269 static void __exit tosa_exit(void)
271 platform_device_unregister(tosa_snd_device);
274 module_init(tosa_init);
275 module_exit(tosa_exit);
277 /* Module information */
278 MODULE_AUTHOR("Richard Purdie");
279 MODULE_DESCRIPTION("ALSA SoC Tosa");
280 MODULE_LICENSE("GPL");