sound/soc/tegra/tegra_alc5632.c

   1 /*
   2 * tegra_alc5632.c  --  Toshiba AC100(PAZ00) machine ASoC driver
   3 *
   4 * Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.lauchpad.net>
   5 *
   6 * Authors:  Leon Romanovsky <leon@leon.nu>
   7 *           Andrey Danin <danindrey@mail.ru>
   8 *           Marc Dietrich <marvin24@gmx.de>
   9 *
  10 * This program is free software; you can redistribute it and/or modify
  11 * it under the terms of the GNU General Public License version 2 as
  12 * published by the Free Software Foundation.
  13 */
  14
  15 #include <asm/mach-types.h>
  16
  17 #include <linux/module.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/slab.h>
  20 #include <linux/gpio.h>
  21
  22 #include <sound/core.h>
  23 #include <sound/jack.h>
  24 #include <sound/pcm.h>
  25 #include <sound/pcm_params.h>
  26 #include <sound/soc.h>
  27
  28 #include "../codecs/alc5632.h"
  29
  30 #include "tegra_das.h"
  31 #include "tegra_i2s.h"
  32 #include "tegra_pcm.h"
  33 #include "tegra_asoc_utils.h"
  34
  35 #define DRV_NAME "tegra-alc5632"
  36
  37 struct tegra_alc5632 {
  38         struct tegra_asoc_utils_data util_data;
  39 };
  40
  41 static int tegra_alc5632_asoc_hw_params(struct snd_pcm_substream *substream,
  42                                         struct snd_pcm_hw_params *params)
  43 {
  44         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  45         struct snd_soc_dai *codec_dai = rtd->codec_dai;
  46         struct snd_soc_codec *codec = rtd->codec;
  47         struct snd_soc_card *card = codec->card;
  48         struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card);
  49         int srate, mclk;
  50         int err;
  51
  52         srate = params_rate(params);
  53         mclk = 512 * srate;
  54
  55         err = tegra_asoc_utils_set_rate(&alc5632->util_data, srate, mclk);
  56         if (err < 0) {
  57                 dev_err(card->dev, "Can't configure clocks\n");
  58                 return err;
  59         }
  60
  61         err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
  62                                         SND_SOC_CLOCK_IN);
  63         if (err < 0) {
  64                 dev_err(card->dev, "codec_dai clock not set\n");
  65                 return err;
  66         }
  67
  68         return 0;
  69 }
  70
  71 static struct snd_soc_ops tegra_alc5632_asoc_ops = {
  72         .hw_params = tegra_alc5632_asoc_hw_params,
  73 };
  74
  75 static struct snd_soc_jack tegra_alc5632_hs_jack;
  76
  77 static struct snd_soc_jack_pin tegra_alc5632_hs_jack_pins[] = {
  78         {
  79                 .pin = "Headset Mic",
  80                 .mask = SND_JACK_MICROPHONE,
  81         },
  82         {
  83                 .pin = "Headset Stereophone",
  84                 .mask = SND_JACK_HEADPHONE,
  85         },
  86 };
  87
  88 static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets[] = {
  89         SND_SOC_DAPM_SPK("Int Spk", NULL),
  90         SND_SOC_DAPM_HP("Headset Stereophone", NULL),
  91         SND_SOC_DAPM_MIC("Headset Mic", NULL),
  92 };
  93
  94 static const struct snd_soc_dapm_route tegra_alc5632_audio_map[] = {
  95         /* Internal Speaker */
  96         {"Int Spk", NULL, "SPKOUT"},
  97         {"Int Spk", NULL, "SPKOUTN"},
  98
  99         /* Headset Mic */
 100         {"MIC1", NULL, "MICBIAS1"},
 101         {"MICBIAS1", NULL, "Headset Mic"},
 102
 103         /* Headset Stereophone */
 104         {"Headset Stereophone", NULL, "HPR"},
 105         {"Headset Stereophone", NULL, "HPL"},
 106 };
 107
 108 static const struct snd_kcontrol_new tegra_alc5632_controls[] = {
 109         SOC_DAPM_PIN_SWITCH("Int Spk"),
 110 };
 111
 112 static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime *rtd)
 113 {
 114         struct snd_soc_codec *codec = rtd->codec;
 115         struct snd_soc_dapm_context *dapm = &codec->dapm;
 116
 117         snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET,
 118                          &tegra_alc5632_hs_jack);
 119         snd_soc_jack_add_pins(&tegra_alc5632_hs_jack,
 120                         ARRAY_SIZE(tegra_alc5632_hs_jack_pins),
 121                         tegra_alc5632_hs_jack_pins);
 122
 123         snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
 124
 125         return 0;
 126 }
 127
 128 static struct snd_soc_dai_link tegra_alc5632_dai = {
 129         .name = "ALC5632",
 130         .stream_name = "ALC5632 PCM",
 131         .codec_name = "alc5632.0-001e",
 132         .platform_name = "tegra-pcm-audio",
 133         .cpu_dai_name = "tegra-i2s.0",
 134         .codec_dai_name = "alc5632-hifi",
 135         .init = tegra_alc5632_asoc_init,
 136         .ops = &tegra_alc5632_asoc_ops,
 137         .dai_fmt = SND_SOC_DAIFMT_I2S
 138                            | SND_SOC_DAIFMT_NB_NF
 139                            | SND_SOC_DAIFMT_CBS_CFS,
 140 };
 141
 142 static struct snd_soc_card snd_soc_tegra_alc5632 = {
 143         .name = "tegra-alc5632",
 144         .owner = THIS_MODULE,
 145         .dai_link = &tegra_alc5632_dai,
 146         .num_links = 1,
 147         .controls = tegra_alc5632_controls,
 148         .num_controls = ARRAY_SIZE(tegra_alc5632_controls),
 149         .dapm_widgets = tegra_alc5632_dapm_widgets,
 150         .num_dapm_widgets = ARRAY_SIZE(tegra_alc5632_dapm_widgets),
 151         .dapm_routes = tegra_alc5632_audio_map,
 152         .num_dapm_routes = ARRAY_SIZE(tegra_alc5632_audio_map),
 153         .fully_routed = true,
 154 };
 155
 156 static __devinit int tegra_alc5632_probe(struct platform_device *pdev)
 157 {
 158         struct snd_soc_card *card = &snd_soc_tegra_alc5632;
 159         struct tegra_alc5632 *alc5632;
 160         int ret;
 161
 162         alc5632 = devm_kzalloc(&pdev->dev,
 163                         sizeof(struct tegra_alc5632), GFP_KERNEL);
 164         if (!alc5632) {
 165                 dev_err(&pdev->dev, "Can't allocate tegra_alc5632\n");
 166                 return -ENOMEM;
 167         }
 168
 169         ret = tegra_asoc_utils_init(&alc5632->util_data, &pdev->dev);
 170         if (ret)
 171                 return ret;
 172
 173         card->dev = &pdev->dev;
 174         platform_set_drvdata(pdev, card);
 175         snd_soc_card_set_drvdata(card, alc5632);
 176
 177         ret = snd_soc_register_card(card);
 178         if (ret) {
 179                 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
 180                         ret);
 181                 tegra_asoc_utils_fini(&alc5632->util_data);
 182                 return ret;
 183         }
 184
 185         return 0;
 186 }
 187
 188 static int __devexit tegra_alc5632_remove(struct platform_device *pdev)
 189 {
 190         struct snd_soc_card *card = platform_get_drvdata(pdev);
 191         struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card);
 192
 193         snd_soc_unregister_card(card);
 194
 195         tegra_asoc_utils_fini(&alc5632->util_data);
 196
 197         return 0;
 198 }
 199
 200 static struct platform_driver tegra_alc5632_driver = {
 201         .driver = {
 202                 .name = DRV_NAME,
 203                 .owner = THIS_MODULE,
 204                 .pm = &snd_soc_pm_ops,
 205         },
 206         .probe = tegra_alc5632_probe,
 207         .remove = __devexit_p(tegra_alc5632_remove),
 208 };
 209 module_platform_driver(tegra_alc5632_driver);
 210
 211 MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>");
 212 MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver");
 213 MODULE_LICENSE("GPL");
 214 MODULE_ALIAS("platform:" DRV_NAME);