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         SND_SOC_DAPM_SINK("WoV Sink"),
  56 };
  57
  58 static const struct snd_soc_dapm_route skylake_rt286_map[] = {
  59         /* speaker */
  60         {"Speaker", NULL, "SPOR"},
  61         {"Speaker", NULL, "SPOL"},
  62
  63         /* HP jack connectors - unknown if we have jack deteck */
  64         {"Headphone Jack", NULL, "HPO Pin"},
  65
  66         /* other jacks */
  67         {"MIC1", NULL, "Mic Jack"},
  68
  69         /* digital mics */
  70         {"DMIC1 Pin", NULL, "DMIC2"},
  71         {"DMic", NULL, "SoC DMIC"},
  72
  73         {"WoV Sink", NULL, "hwd_in sink"},
  74
  75         /* CODEC BE connections */
  76         { "AIF1 Playback", NULL, "ssp0 Tx"},
  77         { "ssp0 Tx", NULL, "codec0_out"},
  78         { "ssp0 Tx", NULL, "codec1_out"},
  79
  80         { "codec0_in", NULL, "ssp0 Rx" },
  81         { "codec1_in", NULL, "ssp0 Rx" },
  82         { "ssp0 Rx", NULL, "AIF1 Capture" },
  83
  84         { "dmic01_hifi", NULL, "DMIC01 Rx" },
  85         { "DMIC01 Rx", NULL, "DMIC AIF" },
  86
  87         { "hif1", NULL, "iDisp Tx"},
  88         { "iDisp Tx", NULL, "iDisp_out"},
  89
  90 };
  91
  92 static int skylake_rt286_fe_init(struct snd_soc_pcm_runtime *rtd)
  93 {
  94         struct snd_soc_dapm_context *dapm;
  95         struct snd_soc_component *component = rtd->cpu_dai->component;
  96
  97         dapm = snd_soc_component_get_dapm(component);
  98         snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
  99
 100         return 0;
 101 }
 102
 103 static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
 104 {
 105         struct snd_soc_codec *codec = rtd->codec;
 106         int ret;
 107
 108         ret = snd_soc_card_jack_new(rtd->card, "Headset",
 109                 SND_JACK_HEADSET | SND_JACK_BTN_0,
 110                 &skylake_headset,
 111                 skylake_headset_pins, ARRAY_SIZE(skylake_headset_pins));
 112
 113         if (ret)
 114                 return ret;
 115
 116         rt286_mic_detect(codec, &skylake_headset);
 117
 118         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
 119         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "WoV Sink");
 120
 121         return 0;
 122 }
 123
 124 static unsigned int rates[] = {
 125         48000,
 126 };
 127
 128 static struct snd_pcm_hw_constraint_list constraints_rates = {
 129         .count = ARRAY_SIZE(rates),
 130         .list  = rates,
 131         .mask = 0,
 132 };
 133
 134 static unsigned int channels[] = {
 135         2,
 136 };
 137
 138 static struct snd_pcm_hw_constraint_list constraints_channels = {
 139         .count = ARRAY_SIZE(channels),
 140         .list = channels,
 141         .mask = 0,
 142 };
 143
 144 static int skl_fe_startup(struct snd_pcm_substream *substream)
 145 {
 146         struct snd_pcm_runtime *runtime = substream->runtime;
 147
 148         /*
 149          * on this platform for PCM device we support,
 150          *      48Khz
 151          *      stereo
 152          *      16 bit audio
 153          */
 154
 155         runtime->hw.channels_max = 2;
 156         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 157                                            &constraints_channels);
 158
 159         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
 160         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
 161
 162         snd_pcm_hw_constraint_list(runtime, 0,
 163                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 164
 165         return 0;
 166 }
 167
 168 static const struct snd_soc_ops skylake_rt286_fe_ops = {
 169         .startup = skl_fe_startup,
 170 };
 171
 172 static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
 173                         struct snd_pcm_hw_params *params)
 174 {
 175         struct snd_interval *rate = hw_param_interval(params,
 176                         SNDRV_PCM_HW_PARAM_RATE);
 177         struct snd_interval *channels = hw_param_interval(params,
 178                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 179         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 180
 181         /* The output is 48KHz, stereo, 16bits */
 182         rate->min = rate->max = 48000;
 183         channels->min = channels->max = 2;
 184
 185         /* set SSP0 to 24 bit */
 186         snd_mask_none(fmt);
 187         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
 188         return 0;
 189 }
 190
 191 static int skylake_rt286_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         int ret;
 197
 198         ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
 199                 SND_SOC_CLOCK_IN);
 200         if (ret < 0)
 201                 dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
 202
 203         return ret;
 204 }
 205
 206 static struct snd_soc_ops skylake_rt286_ops = {
 207         .hw_params = skylake_rt286_hw_params,
 208 };
 209
 210 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
 211                                 struct snd_pcm_hw_params *params)
 212 {
 213         struct snd_interval *channels = hw_param_interval(params,
 214                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 215         if (params_channels(params) == 2)
 216                 channels->min = channels->max = 2;
 217         else
 218                 channels->min = channels->max = 4;
 219
 220         return 0;
 221 }
 222
 223 static unsigned int channels_dmic[] = {
 224         2, 4,
 225 };
 226
 227 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
 228         .count = ARRAY_SIZE(channels_dmic),
 229         .list = channels_dmic,
 230         .mask = 0,
 231 };
 232
 233 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
 234 {
 235         struct snd_pcm_runtime *runtime = substream->runtime;
 236
 237         runtime->hw.channels_max = 4;
 238         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 239                                            &constraints_dmic_channels);
 240
 241         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 242                         SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 243 }
 244
 245 static struct snd_soc_ops skylake_dmic_ops = {
 246         .startup = skylake_dmic_startup,
 247 };
 248
 249 /* skylake digital audio interface glue - connects codec <--> CPU */
 250 static struct snd_soc_dai_link skylake_rt286_dais[] = {
 251         /* Front End DAI links */
 252         {
 253                 .name = "Skl Audio Port",
 254                 .stream_name = "Audio",
 255                 .cpu_dai_name = "System Pin",
 256                 .platform_name = "0000:00:1f.3",
 257                 .nonatomic = 1,
 258                 .dynamic = 1,
 259                 .codec_name = "snd-soc-dummy",
 260                 .codec_dai_name = "snd-soc-dummy-dai",
 261                 .init = skylake_rt286_fe_init,
 262                 .trigger = {
 263                         SND_SOC_DPCM_TRIGGER_POST,
 264                         SND_SOC_DPCM_TRIGGER_POST
 265                 },
 266                 .dpcm_playback = 1,
 267                 .ops = &skylake_rt286_fe_ops,
 268         },
 269         {
 270                 .name = "Skl Audio Capture Port",
 271                 .stream_name = "Audio Record",
 272                 .cpu_dai_name = "System Pin",
 273                 .platform_name = "0000:00:1f.3",
 274                 .nonatomic = 1,
 275                 .dynamic = 1,
 276                 .codec_name = "snd-soc-dummy",
 277                 .codec_dai_name = "snd-soc-dummy-dai",
 278                 .trigger = {
 279                         SND_SOC_DPCM_TRIGGER_POST,
 280                         SND_SOC_DPCM_TRIGGER_POST
 281                 },
 282                 .dpcm_capture = 1,
 283                 .ops = &skylake_rt286_fe_ops,
 284         },
 285         {
 286                 .name = "Skl Audio Reference cap",
 287                 .stream_name = "refcap",
 288                 .cpu_dai_name = "Reference Pin",
 289                 .codec_name = "snd-soc-dummy",
 290                 .codec_dai_name = "snd-soc-dummy-dai",
 291                 .platform_name = "0000:00:1f.3",
 292                 .init = NULL,
 293                 .dpcm_capture = 1,
 294                 .ignore_suspend = 1,
 295                 .nonatomic = 1,
 296                 .dynamic = 1,
 297         },
 298         {
 299                 .name = "Skl Audio DMIC cap",
 300                 .stream_name = "dmiccap",
 301                 .cpu_dai_name = "DMIC Pin",
 302                 .codec_name = "snd-soc-dummy",
 303                 .codec_dai_name = "snd-soc-dummy-dai",
 304                 .platform_name = "0000:00:1f.3",
 305                 .init = NULL,
 306                 .dpcm_capture = 1,
 307                 .nonatomic = 1,
 308                 .dynamic = 1,
 309                 .ops = &skylake_dmic_ops,
 310         },
 311
 312         /* Back End DAI links */
 313         {
 314                 /* SSP0 - Codec */
 315                 .name = "SSP0-Codec",
 316                 .be_id = 0,
 317                 .cpu_dai_name = "SSP0 Pin",
 318                 .platform_name = "0000:00:1f.3",
 319                 .no_pcm = 1,
 320                 .codec_name = "i2c-INT343A:00",
 321                 .codec_dai_name = "rt286-aif1",
 322                 .init = skylake_rt286_codec_init,
 323                 .dai_fmt = SND_SOC_DAIFMT_I2S |
 324                         SND_SOC_DAIFMT_NB_NF |
 325                         SND_SOC_DAIFMT_CBS_CFS,
 326                 .ignore_pmdown_time = 1,
 327                 .be_hw_params_fixup = skylake_ssp0_fixup,
 328                 .ops = &skylake_rt286_ops,
 329                 .dpcm_playback = 1,
 330                 .dpcm_capture = 1,
 331         },
 332         {
 333                 .name = "dmic01",
 334                 .be_id = 1,
 335                 .cpu_dai_name = "DMIC01 Pin",
 336                 .codec_name = "dmic-codec",
 337                 .codec_dai_name = "dmic-hifi",
 338                 .platform_name = "0000:00:1f.3",
 339                 .be_hw_params_fixup = skylake_dmic_fixup,
 340                 .ignore_suspend = 1,
 341                 .dpcm_capture = 1,
 342                 .no_pcm = 1,
 343         },
 344 };
 345
 346 /* skylake audio machine driver for SPT + RT286S */
 347 static struct snd_soc_card skylake_rt286 = {
 348         .name = "skylake-rt286",
 349         .owner = THIS_MODULE,
 350         .dai_link = skylake_rt286_dais,
 351         .num_links = ARRAY_SIZE(skylake_rt286_dais),
 352         .controls = skylake_controls,
 353         .num_controls = ARRAY_SIZE(skylake_controls),
 354         .dapm_widgets = skylake_widgets,
 355         .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
 356         .dapm_routes = skylake_rt286_map,
 357         .num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
 358         .fully_routed = true,
 359 };
 360
 361 static int skylake_audio_probe(struct platform_device *pdev)
 362 {
 363         skylake_rt286.dev = &pdev->dev;
 364
 365         return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286);
 366 }
 367
 368 static struct platform_driver skylake_audio = {
 369         .probe = skylake_audio_probe,
 370         .driver = {
 371                 .name = "skl_alc286s_i2s",
 372                 .pm = &snd_soc_pm_ops,
 373         },
 374 };
 375
 376 module_platform_driver(skylake_audio)
 377
 378 /* Module information */
 379 MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
 380 MODULE_DESCRIPTION("Intel SST Audio for Skylake");
 381 MODULE_LICENSE("GPL v2");
 382 MODULE_ALIAS("platform:skl_alc286s_i2s");