sound/soc/intel/boards/skl_rt286.c

   1 /*
   2  * Intel Skylake I2S Machine Driver
   3  *
   4  * Copyright (C) 2014-2015, Intel Corporation. All rights reserved.
   5  *
   6  * Modified from:
   7  *   Intel Broadwell Wildcatpoint SST Audio
   8  *
   9  *   Copyright (C) 2013, Intel Corporation. All rights reserved.
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License version
  13  * 2 as published by the Free Software Foundation.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  */
  20
  21 #include <linux/module.h>
  22 #include <linux/platform_device.h>
  23 #include <sound/core.h>
  24 #include <sound/pcm.h>
  25 #include <sound/soc.h>
  26 #include <sound/jack.h>
  27 #include <sound/pcm_params.h>
  28 #include "../../codecs/rt286.h"
  29
  30 static struct snd_soc_jack skylake_headset;
  31 /* Headset jack detection DAPM pins */
  32 static struct snd_soc_jack_pin skylake_headset_pins[] = {
  33         {
  34                 .pin = "Mic Jack",
  35                 .mask = SND_JACK_MICROPHONE,
  36         },
  37         {
  38                 .pin = "Headphone Jack",
  39                 .mask = SND_JACK_HEADPHONE,
  40         },
  41 };
  42
  43 static const struct snd_kcontrol_new skylake_controls[] = {
  44         SOC_DAPM_PIN_SWITCH("Speaker"),
  45         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
  46         SOC_DAPM_PIN_SWITCH("Mic Jack"),
  47 };
  48
  49 static const struct snd_soc_dapm_widget skylake_widgets[] = {
  50         SND_SOC_DAPM_HP("Headphone Jack", NULL),
  51         SND_SOC_DAPM_SPK("Speaker", NULL),
  52         SND_SOC_DAPM_MIC("Mic Jack", NULL),
  53         SND_SOC_DAPM_MIC("DMIC2", NULL),
  54         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
  55 };
  56
  57 static const struct snd_soc_dapm_route skylake_rt286_map[] = {
  58         /* speaker */
  59         {"Speaker", NULL, "SPOR"},
  60         {"Speaker", NULL, "SPOL"},
  61
  62         /* HP jack connectors - unknown if we have jack deteck */
  63         {"Headphone Jack", NULL, "HPO Pin"},
  64
  65         /* other jacks */
  66         {"MIC1", NULL, "Mic Jack"},
  67
  68         /* digital mics */
  69         {"DMIC1 Pin", NULL, "DMIC2"},
  70         {"DMIC AIF", NULL, "SoC DMIC"},
  71
  72         /* CODEC BE connections */
  73         { "AIF1 Playback", NULL, "ssp0 Tx"},
  74         { "ssp0 Tx", NULL, "codec0_out"},
  75         { "ssp0 Tx", NULL, "codec1_out"},
  76
  77         { "codec0_in", NULL, "ssp0 Rx" },
  78         { "codec1_in", NULL, "ssp0 Rx" },
  79         { "ssp0 Rx", NULL, "AIF1 Capture" },
  80
  81         { "dmic01_hifi", NULL, "DMIC01 Rx" },
  82         { "DMIC01 Rx", NULL, "Capture" },
  83
  84         { "hif1", NULL, "iDisp Tx"},
  85         { "iDisp Tx", NULL, "iDisp_out"},
  86
  87 };
  88
  89 static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
  90 {
  91         struct snd_soc_codec *codec = rtd->codec;
  92         int ret;
  93
  94         ret = snd_soc_card_jack_new(rtd->card, "Headset",
  95                 SND_JACK_HEADSET | SND_JACK_BTN_0,
  96                 &skylake_headset,
  97                 skylake_headset_pins, ARRAY_SIZE(skylake_headset_pins));
  98
  99         if (ret)
 100                 return ret;
 101
 102         rt286_mic_detect(codec, &skylake_headset);
 103
 104         return 0;
 105 }
 106
 107
 108 static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
 109                         struct snd_pcm_hw_params *params)
 110 {
 111         struct snd_interval *rate = hw_param_interval(params,
 112                         SNDRV_PCM_HW_PARAM_RATE);
 113         struct snd_interval *channels = hw_param_interval(params,
 114                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 115
 116         /* The output is 48KHz, stereo, 16bits */
 117         rate->min = rate->max = 48000;
 118         channels->min = channels->max = 2;
 119         params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
 120
 121         return 0;
 122 }
 123
 124 static int skylake_rt286_hw_params(struct snd_pcm_substream *substream,
 125         struct snd_pcm_hw_params *params)
 126 {
 127         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 128         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 129         int ret;
 130
 131         ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
 132                 SND_SOC_CLOCK_IN);
 133         if (ret < 0)
 134                 dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
 135
 136         return ret;
 137 }
 138
 139 static struct snd_soc_ops skylake_rt286_ops = {
 140         .hw_params = skylake_rt286_hw_params,
 141 };
 142
 143 /* skylake digital audio interface glue - connects codec <--> CPU */
 144 static struct snd_soc_dai_link skylake_rt286_dais[] = {
 145         /* Front End DAI links */
 146         {
 147                 .name = "Skl Audio Port",
 148                 .stream_name = "Audio",
 149                 .cpu_dai_name = "System Pin",
 150                 .platform_name = "0000:00:1f.3",
 151                 .nonatomic = 1,
 152                 .dynamic = 1,
 153                 .codec_name = "snd-soc-dummy",
 154                 .codec_dai_name = "snd-soc-dummy-dai",
 155                 .trigger = {
 156                         SND_SOC_DPCM_TRIGGER_POST,
 157                         SND_SOC_DPCM_TRIGGER_POST
 158                 },
 159                 .dpcm_playback = 1,
 160         },
 161         {
 162                 .name = "Skl Audio Capture Port",
 163                 .stream_name = "Audio Record",
 164                 .cpu_dai_name = "System Pin",
 165                 .platform_name = "0000:00:1f.3",
 166                 .nonatomic = 1,
 167                 .dynamic = 1,
 168                 .codec_name = "snd-soc-dummy",
 169                 .codec_dai_name = "snd-soc-dummy-dai",
 170                 .trigger = {
 171                         SND_SOC_DPCM_TRIGGER_POST,
 172                         SND_SOC_DPCM_TRIGGER_POST
 173                 },
 174                 .dpcm_capture = 1,
 175         },
 176         {
 177                 .name = "Skl Audio Reference cap",
 178                 .stream_name = "refcap",
 179                 .cpu_dai_name = "Reference Pin",
 180                 .codec_name = "snd-soc-dummy",
 181                 .codec_dai_name = "snd-soc-dummy-dai",
 182                 .platform_name = "0000:00:1f.3",
 183                 .init = NULL,
 184                 .dpcm_capture = 1,
 185                 .ignore_suspend = 1,
 186                 .nonatomic = 1,
 187                 .dynamic = 1,
 188         },
 189
 190         /* Back End DAI links */
 191         {
 192                 /* SSP0 - Codec */
 193                 .name = "SSP0-Codec",
 194                 .be_id = 0,
 195                 .cpu_dai_name = "SSP0 Pin",
 196                 .platform_name = "0000:00:1f.3",
 197                 .no_pcm = 1,
 198                 .codec_name = "i2c-INT343A:00",
 199                 .codec_dai_name = "rt286-aif1",
 200                 .init = skylake_rt286_codec_init,
 201                 .dai_fmt = SND_SOC_DAIFMT_I2S |
 202                         SND_SOC_DAIFMT_NB_NF |
 203                         SND_SOC_DAIFMT_CBS_CFS,
 204                 .ignore_suspend = 1,
 205                 .ignore_pmdown_time = 1,
 206                 .be_hw_params_fixup = skylake_ssp0_fixup,
 207                 .ops = &skylake_rt286_ops,
 208                 .dpcm_playback = 1,
 209                 .dpcm_capture = 1,
 210         },
 211         {
 212                 .name = "dmic01",
 213                 .be_id = 1,
 214                 .cpu_dai_name = "DMIC01 Pin",
 215                 .codec_name = "dmic-codec",
 216                 .codec_dai_name = "dmic-hifi",
 217                 .platform_name = "0000:00:1f.3",
 218                 .ignore_suspend = 1,
 219                 .dpcm_capture = 1,
 220                 .no_pcm = 1,
 221         },
 222 };
 223
 224 /* skylake audio machine driver for SPT + RT286S */
 225 static struct snd_soc_card skylake_rt286 = {
 226         .name = "skylake-rt286",
 227         .owner = THIS_MODULE,
 228         .dai_link = skylake_rt286_dais,
 229         .num_links = ARRAY_SIZE(skylake_rt286_dais),
 230         .controls = skylake_controls,
 231         .num_controls = ARRAY_SIZE(skylake_controls),
 232         .dapm_widgets = skylake_widgets,
 233         .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
 234         .dapm_routes = skylake_rt286_map,
 235         .num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
 236         .fully_routed = true,
 237 };
 238
 239 static int skylake_audio_probe(struct platform_device *pdev)
 240 {
 241         skylake_rt286.dev = &pdev->dev;
 242
 243         return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286);
 244 }
 245
 246 static struct platform_driver skylake_audio = {
 247         .probe = skylake_audio_probe,
 248         .driver = {
 249                 .name = "skl_alc286s_i2s",
 250         },
 251 };
 252
 253 module_platform_driver(skylake_audio)
 254
 255 /* Module information */
 256 MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
 257 MODULE_DESCRIPTION("Intel SST Audio for Skylake");
 258 MODULE_LICENSE("GPL v2");
 259 MODULE_ALIAS("platform:skl_alc286s_i2s");