sound/soc/s3c24xx/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 <linux/moduleparam.h>
  16 #include <linux/io.h>
  17 #include <linux/platform_device.h>
  18 #include <sound/soc.h>
  19 #include <sound/jack.h>
  20 #include <asm/mach-types.h>
  21 #include <mach/gpio.h>
  22 #include <mach/regs-clock.h>
  23
  24 #include <linux/mfd/wm8994/core.h>
  25 #include <linux/mfd/wm8994/registers.h>
  26 #include "../codecs/wm8994.h"
  27 #include "dma.h"
  28 #include "i2s.h"
  29
  30 #define MACHINE_NAME    0
  31 #define CPU_VOICE_DAI   1
  32
  33 static const char *aquila_str[] = {
  34         [MACHINE_NAME] = "aquila",
  35         [CPU_VOICE_DAI] = "aquila-voice-dai",
  36 };
  37
  38 static struct snd_soc_card goni;
  39 static struct platform_device *goni_snd_device;
  40
  41 /* 3.5 pie jack */
  42 static struct snd_soc_jack jack;
  43
  44 /* 3.5 pie jack detection DAPM pins */
  45 static struct snd_soc_jack_pin jack_pins[] = {
  46         {
  47                 .pin = "Headset Mic",
  48                 .mask = SND_JACK_MICROPHONE,
  49         }, {
  50                 .pin = "Headset Stereophone",
  51                 .mask = SND_JACK_HEADPHONE | SND_JACK_MECHANICAL |
  52                         SND_JACK_AVOUT,
  53         },
  54 };
  55
  56 /* 3.5 pie jack detection gpios */
  57 static struct snd_soc_jack_gpio jack_gpios[] = {
  58         {
  59                 .gpio = S5PV210_GPH0(6),
  60                 .name = "DET_3.5",
  61                 .report = SND_JACK_HEADSET | SND_JACK_MECHANICAL |
  62                         SND_JACK_AVOUT,
  63                 .debounce_time = 200,
  64         },
  65 };
  66
  67 static const struct snd_soc_dapm_widget goni_dapm_widgets[] = {
  68         SND_SOC_DAPM_SPK("Ext Left Spk", NULL),
  69         SND_SOC_DAPM_SPK("Ext Right Spk", NULL),
  70         SND_SOC_DAPM_SPK("Ext Rcv", NULL),
  71         SND_SOC_DAPM_HP("Headset Stereophone", NULL),
  72         SND_SOC_DAPM_MIC("Headset Mic", NULL),
  73         SND_SOC_DAPM_MIC("Main Mic", NULL),
  74         SND_SOC_DAPM_MIC("2nd Mic", NULL),
  75         SND_SOC_DAPM_LINE("Radio In", NULL),
  76 };
  77
  78 static const struct snd_soc_dapm_route goni_dapm_routes[] = {
  79         {"Ext Left Spk", NULL, "SPKOUTLP"},
  80         {"Ext Left Spk", NULL, "SPKOUTLN"},
  81
  82         {"Ext Right Spk", NULL, "SPKOUTRP"},
  83         {"Ext Right Spk", NULL, "SPKOUTRN"},
  84
  85         {"Ext Rcv", NULL, "HPOUT2N"},
  86         {"Ext Rcv", NULL, "HPOUT2P"},
  87
  88         {"Headset Stereophone", NULL, "HPOUT1L"},
  89         {"Headset Stereophone", NULL, "HPOUT1R"},
  90
  91         {"IN1RN", NULL, "Headset Mic"},
  92         {"IN1RP", NULL, "Headset Mic"},
  93
  94         {"IN1RN", NULL, "2nd Mic"},
  95         {"IN1RP", NULL, "2nd Mic"},
  96
  97         {"IN1LN", NULL, "Main Mic"},
  98         {"IN1LP", NULL, "Main Mic"},
  99
 100         {"IN2LN", NULL, "Radio In"},
 101         {"IN2RN", NULL, "Radio In"},
 102 };
 103
 104 static int goni_wm8994_init(struct snd_soc_pcm_runtime *rtd)
 105 {
 106         struct snd_soc_codec *codec = rtd->codec;
 107         struct snd_soc_dapm_context *dapm = &codec->dapm;
 108         int ret;
 109
 110         /* add goni specific widgets */
 111         snd_soc_dapm_new_controls(dapm, goni_dapm_widgets,
 112                         ARRAY_SIZE(goni_dapm_widgets));
 113
 114         /* set up goni specific audio routes */
 115         snd_soc_dapm_add_routes(dapm, goni_dapm_routes,
 116                         ARRAY_SIZE(goni_dapm_routes));
 117
 118         /* set endpoints to not connected */
 119         snd_soc_dapm_nc_pin(dapm, "IN2LP:VXRN");
 120         snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP");
 121         snd_soc_dapm_nc_pin(dapm, "LINEOUT1N");
 122         snd_soc_dapm_nc_pin(dapm, "LINEOUT1P");
 123         snd_soc_dapm_nc_pin(dapm, "LINEOUT2N");
 124         snd_soc_dapm_nc_pin(dapm, "LINEOUT2P");
 125
 126         if (machine_is_aquila()) {
 127                 snd_soc_dapm_nc_pin(dapm, "SPKOUTRN");
 128                 snd_soc_dapm_nc_pin(dapm, "SPKOUTRP");
 129         }
 130
 131         snd_soc_dapm_sync(dapm);
 132
 133         /* Headset jack detection */
 134         ret = snd_soc_jack_new(&goni, "Headset Jack",
 135                         SND_JACK_HEADSET | SND_JACK_MECHANICAL | SND_JACK_AVOUT,
 136                         &jack);
 137         if (ret)
 138                 return ret;
 139
 140         ret = snd_soc_jack_add_pins(&jack, ARRAY_SIZE(jack_pins), jack_pins);
 141         if (ret)
 142                 return ret;
 143
 144         ret = snd_soc_jack_add_gpios(&jack, ARRAY_SIZE(jack_gpios), jack_gpios);
 145         if (ret)
 146                 return ret;
 147
 148         return 0;
 149 }
 150
 151 static int goni_hifi_hw_params(struct snd_pcm_substream *substream,
 152                 struct snd_pcm_hw_params *params)
 153 {
 154         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 155         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 156         struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 157         unsigned int pll_out = 24000000;
 158         int ret = 0;
 159
 160         /* set the cpu DAI configuration */
 161         ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
 162                         SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
 163         if (ret < 0)
 164                 return ret;
 165
 166         /* set codec DAI configuration */
 167         ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
 168                         SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
 169         if (ret < 0)
 170                 return ret;
 171
 172         /* set the codec FLL */
 173         ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, 0, pll_out,
 174                         params_rate(params) * 256);
 175         if (ret < 0)
 176                 return ret;
 177
 178         /* set the codec system clock */
 179         ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL1,
 180                         params_rate(params) * 256, SND_SOC_CLOCK_IN);
 181         if (ret < 0)
 182                 return ret;
 183
 184         return 0;
 185 }
 186
 187 static struct snd_soc_ops goni_hifi_ops = {
 188         .hw_params = goni_hifi_hw_params,
 189 };
 190
 191 static int goni_voice_hw_params(struct snd_pcm_substream *substream,
 192                 struct snd_pcm_hw_params *params)
 193 {
 194         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 195         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 196         unsigned int pll_out = 24000000;
 197         int ret = 0;
 198
 199         if (params_rate(params) != 8000)
 200                 return -EINVAL;
 201
 202         /* set codec DAI configuration */
 203         ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_LEFT_J |
 204                         SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_CBM_CFM);
 205         if (ret < 0)
 206                 return ret;
 207
 208         /* set the codec FLL */
 209         ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL2, 0, pll_out,
 210                         params_rate(params) * 256);
 211         if (ret < 0)
 212                 return ret;
 213
 214         /* set the codec system clock */
 215         ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL2,
 216                         params_rate(params) * 256, SND_SOC_CLOCK_IN);
 217         if (ret < 0)
 218                 return ret;
 219
 220         return 0;
 221 }
 222
 223 static struct snd_soc_dai_driver voice_dai = {
 224         .name = "goni-voice-dai",
 225         .id = 0,
 226         .playback = {
 227                 .channels_min = 1,
 228                 .channels_max = 2,
 229                 .rates = SNDRV_PCM_RATE_8000,
 230                 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
 231         .capture = {
 232                 .channels_min = 1,
 233                 .channels_max = 2,
 234                 .rates = SNDRV_PCM_RATE_8000,
 235                 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
 236 };
 237
 238 static struct snd_soc_ops goni_voice_ops = {
 239         .hw_params = goni_voice_hw_params,
 240 };
 241
 242 static struct snd_soc_dai_link goni_dai[] = {
 243 {
 244         .name = "WM8994",
 245         .stream_name = "WM8994 HiFi",
 246         .cpu_dai_name = "samsung-i2s.0",
 247         .codec_dai_name = "wm8994-hifi",
 248         .platform_name = "samsung-audio",
 249         .codec_name = "wm8994-codec.0-0x1a",
 250         .init = goni_wm8994_init,
 251         .ops = &goni_hifi_ops,
 252 }, {
 253         .name = "WM8994 Voice",
 254         .stream_name = "Voice",
 255         .cpu_dai_name = "goni-voice-dai",
 256         .codec_dai_name = "wm8994-voice",
 257         .platform_name = "samsung-audio",
 258         .codec_name = "wm8994-codec.0-0x1a",
 259         .ops = &goni_voice_ops,
 260 },
 261 };
 262
 263 static struct snd_soc_card goni = {
 264         .name = "goni",
 265         .dai_link = goni_dai,
 266         .num_links = ARRAY_SIZE(goni_dai),
 267 };
 268
 269 static int __init goni_init(void)
 270 {
 271         int ret;
 272
 273         if (machine_is_aquila()) {
 274                 voice_dai.name = aquila_str[CPU_VOICE_DAI];
 275                 goni_dai[1].cpu_dai_name = aquila_str[CPU_VOICE_DAI];
 276                 goni.name = aquila_str[MACHINE_NAME];
 277         } else if (!machine_is_goni())
 278                 return -ENODEV;
 279
 280         goni_snd_device = platform_device_alloc("soc-audio", -1);
 281         if (!goni_snd_device)
 282                 return -ENOMEM;
 283
 284         /* register voice DAI here */
 285         ret = snd_soc_register_dai(&goni_snd_device->dev, &voice_dai);
 286         if (ret)
 287                 return ret;
 288
 289         platform_set_drvdata(goni_snd_device, &goni);
 290         ret = platform_device_add(goni_snd_device);
 291
 292         if (ret)
 293                 platform_device_put(goni_snd_device);
 294
 295         return ret;
 296 }
 297
 298 static void __exit goni_exit(void)
 299 {
 300         platform_device_unregister(goni_snd_device);
 301 }
 302
 303 module_init(goni_init);
 304 module_exit(goni_exit);
 305
 306 /* Module information */
 307 MODULE_DESCRIPTION("ALSA SoC WM8994 GONI(S5PV210)");
 308 MODULE_AUTHOR("Chanwoo Choi <cw00.choi@samsung.com>");
 309 MODULE_LICENSE("GPL");