sound/soc/samsung/goni_wm8994.c

   1 /*
   2  * goni_wm8994.c
   3  *
   4  * Copyright (C) 2010 Samsung Electronics Co.Ltd
   5  * Author: Chanwoo Choi <cw00.choi@samsung.com>
   6  *
   7  *  This program is free software; you can redistribute  it and/or modify it
   8  *  under  the terms of  the GNU General  Public License as published by the
   9  *  Free Software Foundation;  either version 2 of the  License, or (at your
  10  *  option) any later version.
  11  *
  12  */
  13
  14 #include <sound/soc.h>
  15 #include <sound/jack.h>
  16
  17 #include <asm/mach-types.h>
  18 #include <mach/gpio.h>
  19
  20 #include "../codecs/wm8994.h"
  21
  22 #define MACHINE_NAME    0
  23 #define CPU_VOICE_DAI   1
  24
  25 static const char *aquila_str[] = {
  26         [MACHINE_NAME] = "aquila",
  27         [CPU_VOICE_DAI] = "aquila-voice-dai",
  28 };
  29
  30 static struct snd_soc_card goni;
  31 static struct platform_device *goni_snd_device;
  32
  33 /* 3.5 pie jack */
  34 static struct snd_soc_jack jack;
  35
  36 /* 3.5 pie jack detection DAPM pins */
  37 static struct snd_soc_jack_pin jack_pins[] = {
  38         {
  39                 .pin = "Headset Mic",
  40                 .mask = SND_JACK_MICROPHONE,
  41         }, {
  42                 .pin = "Headset Stereophone",
  43                 .mask = SND_JACK_HEADPHONE | SND_JACK_MECHANICAL |
  44                         SND_JACK_AVOUT,
  45         },
  46 };
  47
  48 /* 3.5 pie jack detection gpios */
  49 static struct snd_soc_jack_gpio jack_gpios[] = {
  50         {
  51                 .gpio = S5PV210_GPH0(6),
  52                 .name = "DET_3.5",
  53                 .report = SND_JACK_HEADSET | SND_JACK_MECHANICAL |
  54                         SND_JACK_AVOUT,
  55                 .debounce_time = 200,
  56         },
  57 };
  58
  59 static const struct snd_soc_dapm_widget goni_dapm_widgets[] = {
  60         SND_SOC_DAPM_SPK("Ext Left Spk", NULL),
  61         SND_SOC_DAPM_SPK("Ext Right Spk", NULL),
  62         SND_SOC_DAPM_SPK("Ext Rcv", NULL),
  63         SND_SOC_DAPM_HP("Headset Stereophone", NULL),
  64         SND_SOC_DAPM_MIC("Headset Mic", NULL),
  65         SND_SOC_DAPM_MIC("Main Mic", NULL),
  66         SND_SOC_DAPM_MIC("2nd Mic", NULL),
  67         SND_SOC_DAPM_LINE("Radio In", NULL),
  68 };
  69
  70 static const struct snd_soc_dapm_route goni_dapm_routes[] = {
  71         {"Ext Left Spk", NULL, "SPKOUTLP"},
  72         {"Ext Left Spk", NULL, "SPKOUTLN"},
  73
  74         {"Ext Right Spk", NULL, "SPKOUTRP"},
  75         {"Ext Right Spk", NULL, "SPKOUTRN"},
  76
  77         {"Ext Rcv", NULL, "HPOUT2N"},
  78         {"Ext Rcv", NULL, "HPOUT2P"},
  79
  80         {"Headset Stereophone", NULL, "HPOUT1L"},
  81         {"Headset Stereophone", NULL, "HPOUT1R"},
  82
  83         {"IN1RN", NULL, "Headset Mic"},
  84         {"IN1RP", NULL, "Headset Mic"},
  85
  86         {"IN1RN", NULL, "2nd Mic"},
  87         {"IN1RP", NULL, "2nd Mic"},
  88
  89         {"IN1LN", NULL, "Main Mic"},
  90         {"IN1LP", NULL, "Main Mic"},
  91
  92         {"IN2LN", NULL, "Radio In"},
  93         {"IN2RN", NULL, "Radio In"},
  94 };
  95
  96 static int goni_wm8994_init(struct snd_soc_pcm_runtime *rtd)
  97 {
  98         struct snd_soc_codec *codec = rtd->codec;
  99         struct snd_soc_dapm_context *dapm = &codec->dapm;
 100         int ret;
 101
 102         /* add goni specific widgets */
 103         snd_soc_dapm_new_controls(dapm, goni_dapm_widgets,
 104                         ARRAY_SIZE(goni_dapm_widgets));
 105
 106         /* set up goni specific audio routes */
 107         snd_soc_dapm_add_routes(dapm, goni_dapm_routes,
 108                         ARRAY_SIZE(goni_dapm_routes));
 109
 110         /* set endpoints to not connected */
 111         snd_soc_dapm_nc_pin(dapm, "IN2LP:VXRN");
 112         snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP");
 113         snd_soc_dapm_nc_pin(dapm, "LINEOUT1N");
 114         snd_soc_dapm_nc_pin(dapm, "LINEOUT1P");
 115         snd_soc_dapm_nc_pin(dapm, "LINEOUT2N");
 116         snd_soc_dapm_nc_pin(dapm, "LINEOUT2P");
 117
 118         if (machine_is_aquila()) {
 119                 snd_soc_dapm_nc_pin(dapm, "SPKOUTRN");
 120                 snd_soc_dapm_nc_pin(dapm, "SPKOUTRP");
 121         }
 122
 123         snd_soc_dapm_sync(dapm);
 124
 125         /* Headset jack detection */
 126         ret = snd_soc_jack_new(codec, "Headset Jack",
 127                         SND_JACK_HEADSET | SND_JACK_MECHANICAL | SND_JACK_AVOUT,
 128                         &jack);
 129         if (ret)
 130                 return ret;
 131
 132         ret = snd_soc_jack_add_pins(&jack, ARRAY_SIZE(jack_pins), jack_pins);
 133         if (ret)
 134                 return ret;
 135
 136         ret = snd_soc_jack_add_gpios(&jack, ARRAY_SIZE(jack_gpios), jack_gpios);
 137         if (ret)
 138                 return ret;
 139
 140         return 0;
 141 }
 142
 143 static int goni_hifi_hw_params(struct snd_pcm_substream *substream,
 144                 struct snd_pcm_hw_params *params)
 145 {
 146         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 147         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 148         struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 149         unsigned int pll_out = 24000000;
 150         int ret = 0;
 151
 152         /* set the cpu DAI configuration */
 153         ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
 154                         SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
 155         if (ret < 0)
 156                 return ret;
 157
 158         /* set codec DAI configuration */
 159         ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
 160                         SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
 161         if (ret < 0)
 162                 return ret;
 163
 164         /* set the codec FLL */
 165         ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, 0, pll_out,
 166                         params_rate(params) * 256);
 167         if (ret < 0)
 168                 return ret;
 169
 170         /* set the codec system clock */
 171         ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL1,
 172                         params_rate(params) * 256, SND_SOC_CLOCK_IN);
 173         if (ret < 0)
 174                 return ret;
 175
 176         return 0;
 177 }
 178
 179 static struct snd_soc_ops goni_hifi_ops = {
 180         .hw_params = goni_hifi_hw_params,
 181 };
 182
 183 static int goni_voice_hw_params(struct snd_pcm_substream *substream,
 184                 struct snd_pcm_hw_params *params)
 185 {
 186         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 187         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 188         unsigned int pll_out = 24000000;
 189         int ret = 0;
 190
 191         if (params_rate(params) != 8000)
 192                 return -EINVAL;
 193
 194         /* set codec DAI configuration */
 195         ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_LEFT_J |
 196                         SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_CBM_CFM);
 197         if (ret < 0)
 198                 return ret;
 199
 200         /* set the codec FLL */
 201         ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL2, 0, pll_out,
 202                         params_rate(params) * 256);
 203         if (ret < 0)
 204                 return ret;
 205
 206         /* set the codec system clock */
 207         ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL2,
 208                         params_rate(params) * 256, SND_SOC_CLOCK_IN);
 209         if (ret < 0)
 210                 return ret;
 211
 212         return 0;
 213 }
 214
 215 static struct snd_soc_dai_driver voice_dai = {
 216         .name = "goni-voice-dai",
 217         .id = 0,
 218         .playback = {
 219                 .channels_min = 1,
 220                 .channels_max = 2,
 221                 .rates = SNDRV_PCM_RATE_8000,
 222                 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
 223         .capture = {
 224                 .channels_min = 1,
 225                 .channels_max = 2,
 226                 .rates = SNDRV_PCM_RATE_8000,
 227                 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
 228 };
 229
 230 static struct snd_soc_ops goni_voice_ops = {
 231         .hw_params = goni_voice_hw_params,
 232 };
 233
 234 static struct snd_soc_dai_link goni_dai[] = {
 235 {
 236         .name = "WM8994",
 237         .stream_name = "WM8994 HiFi",
 238         .cpu_dai_name = "samsung-i2s.0",
 239         .codec_dai_name = "wm8994-aif1",
 240         .platform_name = "samsung-audio",
 241         .codec_name = "wm8994-codec.0-001a",
 242         .init = goni_wm8994_init,
 243         .ops = &goni_hifi_ops,
 244 }, {
 245         .name = "WM8994 Voice",
 246         .stream_name = "Voice",
 247         .cpu_dai_name = "goni-voice-dai",
 248         .codec_dai_name = "wm8994-aif2",
 249         .platform_name = "samsung-audio",
 250         .codec_name = "wm8994-codec.0-001a",
 251         .ops = &goni_voice_ops,
 252 },
 253 };
 254
 255 static struct snd_soc_card goni = {
 256         .name = "goni",
 257         .dai_link = goni_dai,
 258         .num_links = ARRAY_SIZE(goni_dai),
 259 };
 260
 261 static int __init goni_init(void)
 262 {
 263         int ret;
 264
 265         if (machine_is_aquila()) {
 266                 voice_dai.name = aquila_str[CPU_VOICE_DAI];
 267                 goni_dai[1].cpu_dai_name = aquila_str[CPU_VOICE_DAI];
 268                 goni.name = aquila_str[MACHINE_NAME];
 269         } else if (!machine_is_goni())
 270                 return -ENODEV;
 271
 272         goni_snd_device = platform_device_alloc("soc-audio", -1);
 273         if (!goni_snd_device)
 274                 return -ENOMEM;
 275
 276         /* register voice DAI here */
 277         ret = snd_soc_register_dai(&goni_snd_device->dev, &voice_dai);
 278         if (ret) {
 279                 platform_device_put(goni_snd_device);
 280                 return ret;
 281         }
 282
 283         platform_set_drvdata(goni_snd_device, &goni);
 284         ret = platform_device_add(goni_snd_device);
 285
 286         if (ret) {
 287                 snd_soc_unregister_dai(&goni_snd_device->dev);
 288                 platform_device_put(goni_snd_device);
 289         }
 290
 291         return ret;
 292 }
 293
 294 static void __exit goni_exit(void)
 295 {
 296         snd_soc_unregister_dai(&goni_snd_device->dev);
 297         platform_device_unregister(goni_snd_device);
 298 }
 299
 300 module_init(goni_init);
 301 module_exit(goni_exit);
 302
 303 /* Module information */
 304 MODULE_DESCRIPTION("ALSA SoC WM8994 GONI(S5PV210)");
 305 MODULE_AUTHOR("Chanwoo Choi <cw00.choi@samsung.com>");
 306 MODULE_LICENSE("GPL");