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