Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 1 | /* |
| 2 | * tosa.c -- SoC audio for Tosa |
| 3 | * |
| 4 | * Copyright 2005 Wolfson Microelectronics PLC. |
| 5 | * Copyright 2005 Openedhand Ltd. |
| 6 | * |
| 7 | * Authors: Liam Girdwood <liam.girdwood@wolfsonmicro.com> |
| 8 | * 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 Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 15 | * 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 Baryshkov | 4440cbd | 2008-06-14 11:42:57 +0100 | [diff] [blame] | 24 | #include <linux/gpio.h> |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 25 | |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 26 | #include <sound/core.h> |
| 27 | #include <sound/pcm.h> |
| 28 | #include <sound/soc.h> |
| 29 | #include <sound/soc-dapm.h> |
| 30 | |
| 31 | #include <asm/mach-types.h> |
Dmitry Baryshkov | 4440cbd | 2008-06-14 11:42:57 +0100 | [diff] [blame] | 32 | #include <asm/arch/tosa.h> |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 33 | #include <asm/arch/pxa-regs.h> |
| 34 | #include <asm/arch/hardware.h> |
| 35 | #include <asm/arch/audio.h> |
| 36 | #include <asm/arch/tosa.h> |
| 37 | |
| 38 | #include "../codecs/wm9712.h" |
| 39 | #include "pxa2xx-pcm.h" |
Liam Girdwood | cb4c048 | 2007-02-02 17:23:11 +0100 | [diff] [blame] | 40 | #include "pxa2xx-ac97.h" |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 41 | |
| 42 | static struct snd_soc_machine tosa; |
| 43 | |
| 44 | #define TOSA_HP 0 |
| 45 | #define TOSA_MIC_INT 1 |
| 46 | #define TOSA_HEADSET 2 |
| 47 | #define TOSA_HP_OFF 3 |
| 48 | #define TOSA_SPK_ON 0 |
| 49 | #define TOSA_SPK_OFF 1 |
| 50 | |
| 51 | static int tosa_jack_func; |
| 52 | static int tosa_spk_func; |
| 53 | |
| 54 | static void tosa_ext_control(struct snd_soc_codec *codec) |
| 55 | { |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 56 | /* set up jack connection */ |
| 57 | switch (tosa_jack_func) { |
| 58 | case TOSA_HP: |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 59 | snd_soc_dapm_disable_pin(codec, "Mic (Internal)"); |
| 60 | snd_soc_dapm_enable_pin(codec, "Headphone Jack"); |
| 61 | snd_soc_dapm_disable_pin(codec, "Headset Jack"); |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 62 | break; |
| 63 | case TOSA_MIC_INT: |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 64 | snd_soc_dapm_enable_pin(codec, "Mic (Internal)"); |
| 65 | snd_soc_dapm_disable_pin(codec, "Headphone Jack"); |
| 66 | snd_soc_dapm_disable_pin(codec, "Headset Jack"); |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 67 | break; |
| 68 | case TOSA_HEADSET: |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 69 | snd_soc_dapm_disable_pin(codec, "Mic (Internal)"); |
| 70 | snd_soc_dapm_disable_pin(codec, "Headphone Jack"); |
| 71 | snd_soc_dapm_enable_pin(codec, "Headset Jack"); |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 72 | break; |
| 73 | } |
| 74 | |
| 75 | if (tosa_spk_func == TOSA_SPK_ON) |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 76 | snd_soc_dapm_enable_pin(codec, "Speaker"); |
| 77 | else |
| 78 | snd_soc_dapm_disable_pin(codec, "Speaker"); |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 79 | |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 80 | snd_soc_dapm_sync(codec); |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 81 | } |
| 82 | |
| 83 | static int tosa_startup(struct snd_pcm_substream *substream) |
| 84 | { |
| 85 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 86 | struct snd_soc_codec *codec = rtd->socdev->codec; |
| 87 | |
| 88 | /* check the jack status at stream startup */ |
| 89 | tosa_ext_control(codec); |
| 90 | return 0; |
| 91 | } |
| 92 | |
| 93 | static struct snd_soc_ops tosa_ops = { |
| 94 | .startup = tosa_startup, |
| 95 | }; |
| 96 | |
| 97 | static 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 | |
| 104 | static 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 | |
| 117 | static 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 | |
| 124 | static 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 Nikula | 338c7ed | 2008-02-28 12:34:48 +0100 | [diff] [blame] | 138 | static int tosa_hp_event(struct snd_soc_dapm_widget *w, |
| 139 | struct snd_kcontrol *k, int event) |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 140 | { |
Dmitry Baryshkov | 4440cbd | 2008-06-14 11:42:57 +0100 | [diff] [blame] | 141 | gpio_set_value(TOSA_GPIO_L_MUTE, SND_SOC_DAPM_EVENT_ON(event) ? 1 :0); |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 142 | return 0; |
| 143 | } |
| 144 | |
| 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), |
| 151 | }; |
| 152 | |
| 153 | /* tosa audio map */ |
Dmitry Baryshkov | 76d39d0 | 2008-07-08 19:45:20 +0400 | [diff] [blame] | 154 | static const struct snd_soc_dapm_route audio_map[] = { |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 155 | |
| 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 Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 173 | }; |
| 174 | |
| 175 | static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset", |
| 176 | "Off"}; |
| 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), |
| 181 | }; |
| 182 | |
| 183 | static 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 | |
| 190 | static int tosa_ac97_init(struct snd_soc_codec *codec) |
| 191 | { |
| 192 | int i, err; |
| 193 | |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 194 | snd_soc_dapm_disable_pin(codec, "OUT3"); |
| 195 | snd_soc_dapm_disable_pin(codec, "MONOOUT"); |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 196 | |
| 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)); |
| 201 | if (err < 0) |
| 202 | return err; |
| 203 | } |
| 204 | |
| 205 | /* add tosa specific widgets */ |
Dmitry Baryshkov | 76d39d0 | 2008-07-08 19:45:20 +0400 | [diff] [blame] | 206 | snd_soc_dapm_new_controls(codec, tosa_dapm_widgets, |
Mark Brown | 25191c4 | 2008-05-13 14:55:48 +0200 | [diff] [blame] | 207 | ARRAY_SIZE(tosa_dapm_widgets)); |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 208 | |
| 209 | /* set up tosa specific audio path audio_map */ |
Mark Brown | 25191c4 | 2008-05-13 14:55:48 +0200 | [diff] [blame] | 210 | snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 211 | |
Liam Girdwood | a530218 | 2008-07-07 13:35:17 +0100 | [diff] [blame] | 212 | snd_soc_dapm_sync(codec); |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 213 | return 0; |
| 214 | } |
| 215 | |
| 216 | static struct snd_soc_dai_link tosa_dai[] = { |
| 217 | { |
| 218 | .name = "AC97", |
| 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, |
Liam Girdwood | cb4c048 | 2007-02-02 17:23:11 +0100 | [diff] [blame] | 223 | .ops = &tosa_ops, |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 224 | }, |
| 225 | { |
| 226 | .name = "AC97 Aux", |
| 227 | .stream_name = "AC97 Aux", |
| 228 | .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX], |
| 229 | .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX], |
Liam Girdwood | cb4c048 | 2007-02-02 17:23:11 +0100 | [diff] [blame] | 230 | .ops = &tosa_ops, |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 231 | }, |
| 232 | }; |
| 233 | |
| 234 | static struct snd_soc_machine tosa = { |
| 235 | .name = "Tosa", |
| 236 | .dai_link = tosa_dai, |
| 237 | .num_links = ARRAY_SIZE(tosa_dai), |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 238 | }; |
| 239 | |
| 240 | static struct snd_soc_device tosa_snd_devdata = { |
| 241 | .machine = &tosa, |
| 242 | .platform = &pxa2xx_soc_platform, |
| 243 | .codec_dev = &soc_codec_dev_wm9712, |
| 244 | }; |
| 245 | |
| 246 | static struct platform_device *tosa_snd_device; |
| 247 | |
| 248 | static int __init tosa_init(void) |
| 249 | { |
| 250 | int ret; |
| 251 | |
| 252 | if (!machine_is_tosa()) |
| 253 | return -ENODEV; |
| 254 | |
Dmitry Baryshkov | 4440cbd | 2008-06-14 11:42:57 +0100 | [diff] [blame] | 255 | ret = gpio_request(TOSA_GPIO_L_MUTE, "Headphone Jack"); |
| 256 | if (ret) |
| 257 | return ret; |
| 258 | gpio_direction_output(TOSA_GPIO_L_MUTE, 0); |
| 259 | |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 260 | tosa_snd_device = platform_device_alloc("soc-audio", -1); |
Dmitry Baryshkov | 4440cbd | 2008-06-14 11:42:57 +0100 | [diff] [blame] | 261 | if (!tosa_snd_device) { |
| 262 | ret = -ENOMEM; |
| 263 | goto err_alloc; |
| 264 | } |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 265 | |
| 266 | platform_set_drvdata(tosa_snd_device, &tosa_snd_devdata); |
| 267 | tosa_snd_devdata.dev = &tosa_snd_device->dev; |
| 268 | ret = platform_device_add(tosa_snd_device); |
| 269 | |
Dmitry Baryshkov | 4440cbd | 2008-06-14 11:42:57 +0100 | [diff] [blame] | 270 | if (!ret) |
| 271 | return 0; |
| 272 | |
| 273 | platform_device_put(tosa_snd_device); |
| 274 | |
| 275 | err_alloc: |
| 276 | gpio_free(TOSA_GPIO_L_MUTE); |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 277 | |
| 278 | return ret; |
| 279 | } |
| 280 | |
| 281 | static void __exit tosa_exit(void) |
| 282 | { |
| 283 | platform_device_unregister(tosa_snd_device); |
Dmitry Baryshkov | 4440cbd | 2008-06-14 11:42:57 +0100 | [diff] [blame] | 284 | gpio_free(TOSA_GPIO_L_MUTE); |
Liam Girdwood | 1b49cb9 | 2006-10-12 14:33:09 +0200 | [diff] [blame] | 285 | } |
| 286 | |
| 287 | module_init(tosa_init); |
| 288 | module_exit(tosa_exit); |
| 289 | |
| 290 | /* Module information */ |
| 291 | MODULE_AUTHOR("Richard Purdie"); |
| 292 | MODULE_DESCRIPTION("ALSA SoC Tosa"); |
| 293 | MODULE_LICENSE("GPL"); |