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         /* set endpoints to not connected */
 103         snd_soc_dapm_nc_pin(dapm, "IN2LP:VXRN");
 104         snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP");
 105         snd_soc_dapm_nc_pin(dapm, "LINEOUT1N");
 106         snd_soc_dapm_nc_pin(dapm, "LINEOUT1P");
 107         snd_soc_dapm_nc_pin(dapm, "LINEOUT2N");
 108         snd_soc_dapm_nc_pin(dapm, "LINEOUT2P");
 109
 110         if (machine_is_aquila()) {
 111                 snd_soc_dapm_nc_pin(dapm, "SPKOUTRN");
 112                 snd_soc_dapm_nc_pin(dapm, "SPKOUTRP");
 113         }
 114
 115         /* Headset jack detection */
 116         ret = snd_soc_jack_new(codec, "Headset Jack",
 117                         SND_JACK_HEADSET | SND_JACK_MECHANICAL | SND_JACK_AVOUT,
 118                         &jack);
 119         if (ret)
 120                 return ret;
 121
 122         ret = snd_soc_jack_add_pins(&jack, ARRAY_SIZE(jack_pins), jack_pins);
 123         if (ret)
 124                 return ret;
 125
 126         ret = snd_soc_jack_add_gpios(&jack, ARRAY_SIZE(jack_gpios), jack_gpios);
 127         if (ret)
 128                 return ret;
 129
 130         return 0;
 131 }
 132
 133 static int goni_hifi_hw_params(struct snd_pcm_substream *substream,
 134                 struct snd_pcm_hw_params *params)
 135 {
 136         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 137         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 138         struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 139         unsigned int pll_out = 24000000;
 140         int ret = 0;
 141
 142         /* set the cpu DAI configuration */
 143         ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
 144                         SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
 145         if (ret < 0)
 146                 return ret;
 147
 148         /* set codec DAI configuration */
 149         ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
 150                         SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
 151         if (ret < 0)
 152                 return ret;
 153
 154         /* set the codec FLL */
 155         ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, 0, pll_out,
 156                         params_rate(params) * 256);
 157         if (ret < 0)
 158                 return ret;
 159
 160         /* set the codec system clock */
 161         ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL1,
 162                         params_rate(params) * 256, SND_SOC_CLOCK_IN);
 163         if (ret < 0)
 164                 return ret;
 165
 166         return 0;
 167 }
 168
 169 static struct snd_soc_ops goni_hifi_ops = {
 170         .hw_params = goni_hifi_hw_params,
 171 };
 172
 173 static int goni_voice_hw_params(struct snd_pcm_substream *substream,
 174                 struct snd_pcm_hw_params *params)
 175 {
 176         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 177         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 178         unsigned int pll_out = 24000000;
 179         int ret = 0;
 180
 181         if (params_rate(params) != 8000)
 182                 return -EINVAL;
 183
 184         /* set codec DAI configuration */
 185         ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_LEFT_J |
 186                         SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_CBM_CFM);
 187         if (ret < 0)
 188                 return ret;
 189
 190         /* set the codec FLL */
 191         ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL2, 0, pll_out,
 192                         params_rate(params) * 256);
 193         if (ret < 0)
 194                 return ret;
 195
 196         /* set the codec system clock */
 197         ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL2,
 198                         params_rate(params) * 256, SND_SOC_CLOCK_IN);
 199         if (ret < 0)
 200                 return ret;
 201
 202         return 0;
 203 }
 204
 205 static struct snd_soc_dai_driver voice_dai = {
 206         .name = "goni-voice-dai",
 207         .id = 0,
 208         .playback = {
 209                 .channels_min = 1,
 210                 .channels_max = 2,
 211                 .rates = SNDRV_PCM_RATE_8000,
 212                 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
 213         .capture = {
 214                 .channels_min = 1,
 215                 .channels_max = 2,
 216                 .rates = SNDRV_PCM_RATE_8000,
 217                 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
 218 };
 219
 220 static struct snd_soc_ops goni_voice_ops = {
 221         .hw_params = goni_voice_hw_params,
 222 };
 223
 224 static struct snd_soc_dai_link goni_dai[] = {
 225 {
 226         .name = "WM8994",
 227         .stream_name = "WM8994 HiFi",
 228         .cpu_dai_name = "samsung-i2s.0",
 229         .codec_dai_name = "wm8994-aif1",
 230         .platform_name = "samsung-audio",
 231         .codec_name = "wm8994-codec.0-001a",
 232         .init = goni_wm8994_init,
 233         .ops = &goni_hifi_ops,
 234 }, {
 235         .name = "WM8994 Voice",
 236         .stream_name = "Voice",
 237         .cpu_dai_name = "goni-voice-dai",
 238         .codec_dai_name = "wm8994-aif2",
 239         .codec_name = "wm8994-codec.0-001a",
 240         .ops = &goni_voice_ops,
 241 },
 242 };
 243
 244 static struct snd_soc_card goni = {
 245         .name = "goni",
 246         .dai_link = goni_dai,
 247         .num_links = ARRAY_SIZE(goni_dai),
 248
 249         .dapm_widgets = goni_dapm_widgets,
 250         .num_dapm_widgets = ARRAY_SIZE(goni_dapm_widgets),
 251         .dapm_routes = goni_dapm_routes,
 252         .num_dapm_routes = ARRAY_SIZE(goni_dapm_routes),
 253 };
 254
 255 static int __init goni_init(void)
 256 {
 257         int ret;
 258
 259         if (machine_is_aquila()) {
 260                 voice_dai.name = aquila_str[CPU_VOICE_DAI];
 261                 goni_dai[1].cpu_dai_name = aquila_str[CPU_VOICE_DAI];
 262                 goni.name = aquila_str[MACHINE_NAME];
 263         } else if (!machine_is_goni())
 264                 return -ENODEV;
 265
 266         goni_snd_device = platform_device_alloc("soc-audio", -1);
 267         if (!goni_snd_device)
 268                 return -ENOMEM;
 269
 270         /* register voice DAI here */
 271         ret = snd_soc_register_dai(&goni_snd_device->dev, &voice_dai);
 272         if (ret) {
 273                 platform_device_put(goni_snd_device);
 274                 return ret;
 275         }
 276
 277         platform_set_drvdata(goni_snd_device, &goni);
 278         ret = platform_device_add(goni_snd_device);
 279
 280         if (ret) {
 281                 snd_soc_unregister_dai(&goni_snd_device->dev);
 282                 platform_device_put(goni_snd_device);
 283         }
 284
 285         return ret;
 286 }
 287
 288 static void __exit goni_exit(void)
 289 {
 290         snd_soc_unregister_dai(&goni_snd_device->dev);
 291         platform_device_unregister(goni_snd_device);
 292 }
 293
 294 module_init(goni_init);
 295 module_exit(goni_exit);
 296
 297 /* Module information */
 298 MODULE_DESCRIPTION("ALSA SoC WM8994 GONI(S5PV210)");
 299 MODULE_AUTHOR("Chanwoo Choi <cw00.choi@samsung.com>");
 300 MODULE_LICENSE("GPL");