sound/soc/intel/boards/skl_nau88l25_ssm4567.c

   1 /*
   2  * Intel Skylake I2S Machine Driver for NAU88L25+SSM4567
   3  *
   4  * Copyright (C) 2015, Intel Corporation. All rights reserved.
   5  *
   6  * Modified from:
   7  *   Intel Skylake I2S Machine Driver for NAU88L25 and SSM4567
   8  *
   9  *   Copyright (C) 2015, 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/nau8825.h"
  29
  30 #define SKL_NUVOTON_CODEC_DAI   "nau8825-hifi"
  31 #define SKL_SSM_CODEC_DAI       "ssm4567-hifi"
  32
  33 static struct snd_soc_jack skylake_headset;
  34 static struct snd_soc_card skylake_audio_card;
  35
  36 static inline struct snd_soc_dai *skl_get_codec_dai(struct snd_soc_card *card)
  37 {
  38         struct snd_soc_pcm_runtime *rtd;
  39
  40         list_for_each_entry(rtd, &card->rtd_list, list) {
  41
  42                 if (!strncmp(rtd->codec_dai->name, SKL_NUVOTON_CODEC_DAI,
  43                              strlen(SKL_NUVOTON_CODEC_DAI)))
  44                         return rtd->codec_dai;
  45         }
  46
  47         return NULL;
  48 }
  49
  50 static const struct snd_kcontrol_new skylake_controls[] = {
  51         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
  52         SOC_DAPM_PIN_SWITCH("Headset Mic"),
  53         SOC_DAPM_PIN_SWITCH("Left Speaker"),
  54         SOC_DAPM_PIN_SWITCH("Right Speaker"),
  55 };
  56
  57 static int platform_clock_control(struct snd_soc_dapm_widget *w,
  58                 struct snd_kcontrol *k, int  event)
  59 {
  60         struct snd_soc_dapm_context *dapm = w->dapm;
  61         struct snd_soc_card *card = dapm->card;
  62         struct snd_soc_dai *codec_dai;
  63         int ret;
  64
  65         codec_dai = skl_get_codec_dai(card);
  66         if (!codec_dai) {
  67                 dev_err(card->dev, "Codec dai not found\n");
  68                 return -EIO;
  69         }
  70
  71         if (SND_SOC_DAPM_EVENT_ON(event)) {
  72                 ret = snd_soc_dai_set_sysclk(codec_dai,
  73                                 NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
  74                 if (ret < 0) {
  75                         dev_err(card->dev, "set sysclk err = %d\n", ret);
  76                         return -EIO;
  77                 }
  78         } else {
  79                 ret = snd_soc_dai_set_sysclk(codec_dai,
  80                                 NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
  81                 if (ret < 0) {
  82                         dev_err(card->dev, "set sysclk err = %d\n", ret);
  83                         return -EIO;
  84                 }
  85         }
  86         return ret;
  87 }
  88
  89 static const struct snd_soc_dapm_widget skylake_widgets[] = {
  90         SND_SOC_DAPM_HP("Headphone Jack", NULL),
  91         SND_SOC_DAPM_MIC("Headset Mic", NULL),
  92         SND_SOC_DAPM_SPK("Left Speaker", NULL),
  93         SND_SOC_DAPM_SPK("Right Speaker", NULL),
  94         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
  95         SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
  96                         platform_clock_control, SND_SOC_DAPM_PRE_PMU |
  97                         SND_SOC_DAPM_POST_PMD),
  98 };
  99
 100 static const struct snd_soc_dapm_route skylake_map[] = {
 101         /* HP jack connectors - unknown if we have jack detection */
 102         {"Headphone Jack", NULL, "HPOL"},
 103         {"Headphone Jack", NULL, "HPOR"},
 104
 105         /* speaker */
 106         {"Left Speaker", NULL, "Left OUT"},
 107         {"Right Speaker", NULL, "Right OUT"},
 108
 109         /* other jacks */
 110         {"MIC", NULL, "Headset Mic"},
 111         {"DMIC AIF", NULL, "SoC DMIC"},
 112
 113         /* CODEC BE connections */
 114         { "Left Playback", NULL, "ssp0 Tx"},
 115         { "Right Playback", NULL, "ssp0 Tx"},
 116         { "ssp0 Tx", NULL, "codec0_out"},
 117
 118         { "AIF1 Playback", NULL, "ssp1 Tx"},
 119         { "ssp1 Tx", NULL, "codec1_out"},
 120
 121         { "codec0_in", NULL, "ssp1 Rx" },
 122         { "ssp1 Rx", NULL, "AIF1 Capture" },
 123
 124         /* DMIC */
 125         { "dmic01_hifi", NULL, "DMIC01 Rx" },
 126         { "DMIC01 Rx", NULL, "Capture" },
 127         { "Headphone Jack", NULL, "Platform Clock" },
 128         { "Headset Mic", NULL, "Platform Clock" },
 129 };
 130
 131 static struct snd_soc_codec_conf ssm4567_codec_conf[] = {
 132         {
 133                 .dev_name = "i2c-INT343B:00",
 134                 .name_prefix = "Left",
 135         },
 136         {
 137                 .dev_name = "i2c-INT343B:01",
 138                 .name_prefix = "Right",
 139         },
 140 };
 141
 142 static struct snd_soc_dai_link_component ssm4567_codec_components[] = {
 143         { /* Left */
 144                 .name = "i2c-INT343B:00",
 145                 .dai_name = SKL_SSM_CODEC_DAI,
 146         },
 147         { /* Right */
 148                 .name = "i2c-INT343B:01",
 149                 .dai_name = SKL_SSM_CODEC_DAI,
 150         },
 151 };
 152
 153 static int skylake_ssm4567_codec_init(struct snd_soc_pcm_runtime *rtd)
 154 {
 155         int ret;
 156
 157         /* Slot 1 for left */
 158         ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[0], 0x01, 0x01, 2, 48);
 159         if (ret < 0)
 160                 return ret;
 161
 162         /* Slot 2 for right */
 163         ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[1], 0x02, 0x02, 2, 48);
 164         if (ret < 0)
 165                 return ret;
 166
 167         return ret;
 168 }
 169
 170 static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
 171 {
 172         int ret;
 173         struct snd_soc_codec *codec = rtd->codec;
 174
 175         /*
 176          * 4 buttons here map to the google Reference headset
 177          * The use of these buttons can be decided by the user space.
 178          */
 179         ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack",
 180                 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 181                 SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset,
 182                 NULL, 0);
 183         if (ret) {
 184                 dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
 185                 return ret;
 186         }
 187
 188         nau8825_enable_jack_detect(codec, &skylake_headset);
 189
 190         return ret;
 191 }
 192
 193 static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
 194                         struct snd_pcm_hw_params *params)
 195 {
 196         struct snd_interval *rate = hw_param_interval(params,
 197                         SNDRV_PCM_HW_PARAM_RATE);
 198         struct snd_interval *channels = hw_param_interval(params,
 199                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 200         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 201
 202         /* The ADSP will covert the FE rate to 48k, stereo */
 203         rate->min = rate->max = 48000;
 204         channels->min = channels->max = 2;
 205
 206         /* set SSP0 to 24 bit */
 207         snd_mask_none(fmt);
 208         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
 209         return 0;
 210 }
 211
 212 static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream,
 213         struct snd_pcm_hw_params *params)
 214 {
 215         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 216         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 217         int ret;
 218
 219         ret = snd_soc_dai_set_sysclk(codec_dai,
 220                         NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
 221
 222         if (ret < 0)
 223                 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
 224
 225         return ret;
 226 }
 227
 228 static struct snd_soc_ops skylake_nau8825_ops = {
 229         .hw_params = skylake_nau8825_hw_params,
 230 };
 231
 232 /* skylake digital audio interface glue - connects codec <--> CPU */
 233 static struct snd_soc_dai_link skylake_dais[] = {
 234         /* Front End DAI links */
 235         {
 236                 .name = "Skl Audio Port",
 237                 .stream_name = "Audio",
 238                 .cpu_dai_name = "System Pin",
 239                 .platform_name = "0000:00:1f.3",
 240                 .dynamic = 1,
 241                 .codec_name = "snd-soc-dummy",
 242                 .codec_dai_name = "snd-soc-dummy-dai",
 243                 .nonatomic = 1,
 244                 .trigger = {
 245                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 246                 .dpcm_playback = 1,
 247         },
 248         {
 249                 .name = "Skl Audio Capture Port",
 250                 .stream_name = "Audio Record",
 251                 .cpu_dai_name = "System Pin",
 252                 .platform_name = "0000:00:1f.3",
 253                 .dynamic = 1,
 254                 .codec_name = "snd-soc-dummy",
 255                 .codec_dai_name = "snd-soc-dummy-dai",
 256                 .nonatomic = 1,
 257                 .trigger = {
 258                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 259                 .dpcm_capture = 1,
 260         },
 261         {
 262                 .name = "Skl Audio Reference cap",
 263                 .stream_name = "refcap",
 264                 .cpu_dai_name = "Reference Pin",
 265                 .codec_name = "snd-soc-dummy",
 266                 .codec_dai_name = "snd-soc-dummy-dai",
 267                 .platform_name = "0000:00:1f.3",
 268                 .init = NULL,
 269                 .dpcm_capture = 1,
 270                 .ignore_suspend = 1,
 271                 .nonatomic = 1,
 272                 .dynamic = 1,
 273         },
 274         /* Back End DAI links */
 275         {
 276                 /* SSP0 - Codec */
 277                 .name = "SSP0-Codec",
 278                 .be_id = 0,
 279                 .cpu_dai_name = "SSP0 Pin",
 280                 .platform_name = "0000:00:1f.3",
 281                 .no_pcm = 1,
 282                 .codecs = ssm4567_codec_components,
 283                 .num_codecs = ARRAY_SIZE(ssm4567_codec_components),
 284                 .dai_fmt = SND_SOC_DAIFMT_DSP_A |
 285                         SND_SOC_DAIFMT_IB_NF |
 286                         SND_SOC_DAIFMT_CBS_CFS,
 287                 .init = skylake_ssm4567_codec_init,
 288                 .ignore_suspend = 1,
 289                 .ignore_pmdown_time = 1,
 290                 .be_hw_params_fixup = skylake_ssp_fixup,
 291                 .dpcm_playback = 1,
 292         },
 293         {
 294                 /* SSP1 - Codec */
 295                 .name = "SSP1-Codec",
 296                 .be_id = 0,
 297                 .cpu_dai_name = "SSP1 Pin",
 298                 .platform_name = "0000:00:1f.3",
 299                 .no_pcm = 1,
 300                 .codec_name = "i2c-10508825:00",
 301                 .codec_dai_name = SKL_NUVOTON_CODEC_DAI,
 302                 .init = skylake_nau8825_codec_init,
 303                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 304                         SND_SOC_DAIFMT_CBS_CFS,
 305                 .ignore_suspend = 1,
 306                 .ignore_pmdown_time = 1,
 307                 .be_hw_params_fixup = skylake_ssp_fixup,
 308                 .ops = &skylake_nau8825_ops,
 309                 .dpcm_playback = 1,
 310                 .dpcm_capture = 1,
 311         },
 312         {
 313                 .name = "dmic01",
 314                 .be_id = 1,
 315                 .cpu_dai_name = "DMIC01 Pin",
 316                 .codec_name = "dmic-codec",
 317                 .codec_dai_name = "dmic-hifi",
 318                 .platform_name = "0000:00:1f.3",
 319                 .ignore_suspend = 1,
 320                 .dpcm_capture = 1,
 321                 .no_pcm = 1,
 322         },
 323 };
 324
 325 /* skylake audio machine driver for SPT + NAU88L25 */
 326 static struct snd_soc_card skylake_audio_card = {
 327         .name = "sklnau8825adi",
 328         .owner = THIS_MODULE,
 329         .dai_link = skylake_dais,
 330         .num_links = ARRAY_SIZE(skylake_dais),
 331         .controls = skylake_controls,
 332         .num_controls = ARRAY_SIZE(skylake_controls),
 333         .dapm_widgets = skylake_widgets,
 334         .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
 335         .dapm_routes = skylake_map,
 336         .num_dapm_routes = ARRAY_SIZE(skylake_map),
 337         .codec_conf = ssm4567_codec_conf,
 338         .num_configs = ARRAY_SIZE(ssm4567_codec_conf),
 339 };
 340
 341 static int skylake_audio_probe(struct platform_device *pdev)
 342 {
 343         skylake_audio_card.dev = &pdev->dev;
 344
 345         return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
 346 }
 347
 348 static struct platform_driver skylake_audio = {
 349         .probe = skylake_audio_probe,
 350         .driver = {
 351                 .name = "skl_nau88l25_ssm4567_i2s",
 352                 .pm = &snd_soc_pm_ops,
 353         },
 354 };
 355
 356 module_platform_driver(skylake_audio)
 357
 358 /* Module information */
 359 MODULE_AUTHOR("Conrad Cooke  <conrad.cooke@intel.com>");
 360 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
 361 MODULE_AUTHOR("Naveen M <naveen.m@intel.com>");
 362 MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r@intel.com>");
 363 MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>");
 364 MODULE_DESCRIPTION("Intel Audio Machine driver for SKL with NAU88L25 and SSM4567 in I2S Mode");
 365 MODULE_LICENSE("GPL v2");
 366 MODULE_ALIAS("platform:skl_nau88l25_ssm4567_i2s");