sound/soc/intel/boards/bytcr_rt5640.c

   1 /*
   2  *  byt_cr_dpcm_rt5640.c - ASoc Machine driver for Intel Byt CR platform
   3  *
   4  *  Copyright (C) 2014 Intel Corp
   5  *  Author: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
   6  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; version 2 of the License.
  11  *
  12  *  This program is distributed in the hope that it will be useful, but
  13  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  *  General Public License for more details.
  16  *
  17  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  18  */
  19
  20 #include <linux/init.h>
  21 #include <linux/module.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/acpi.h>
  24 #include <linux/device.h>
  25 #include <linux/dmi.h>
  26 #include <linux/slab.h>
  27 #include <sound/pcm.h>
  28 #include <sound/pcm_params.h>
  29 #include <sound/soc.h>
  30 #include <sound/jack.h>
  31 #include "../../codecs/rt5640.h"
  32 #include "../atom/sst-atom-controls.h"
  33 #include "../common/sst-acpi.h"
  34
  35 enum {
  36         BYT_RT5640_DMIC1_MAP,
  37         BYT_RT5640_DMIC2_MAP,
  38         BYT_RT5640_IN1_MAP,
  39 };
  40
  41 #define BYT_RT5640_MAP(quirk)   ((quirk) & 0xff)
  42 #define BYT_RT5640_DMIC_EN      BIT(16)
  43 #define BYT_RT5640_MONO_SPEAKER BIT(17)
  44 #define BYT_RT5640_DIFF_MIC     BIT(18) /* defaut is single-ended */
  45 #define BYT_RT5640_SSP2_AIF2     BIT(19) /* default is using AIF1  */
  46 #define BYT_RT5640_SSP0_AIF1     BIT(20)
  47 #define BYT_RT5640_SSP0_AIF2     BIT(21)
  48
  49 static unsigned long byt_rt5640_quirk = BYT_RT5640_DMIC1_MAP |
  50                                         BYT_RT5640_DMIC_EN;
  51
  52 static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = {
  53         SND_SOC_DAPM_HP("Headphone", NULL),
  54         SND_SOC_DAPM_MIC("Headset Mic", NULL),
  55         SND_SOC_DAPM_MIC("Internal Mic", NULL),
  56         SND_SOC_DAPM_SPK("Speaker", NULL),
  57 };
  58
  59 static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
  60         {"Headset Mic", NULL, "MICBIAS1"},
  61         {"IN2P", NULL, "Headset Mic"},
  62         {"Headphone", NULL, "HPOL"},
  63         {"Headphone", NULL, "HPOR"},
  64 };
  65
  66 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map[] = {
  67         {"DMIC1", NULL, "Internal Mic"},
  68 };
  69
  70 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map[] = {
  71         {"DMIC2", NULL, "Internal Mic"},
  72 };
  73
  74 static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = {
  75         {"Internal Mic", NULL, "MICBIAS1"},
  76         {"IN1P", NULL, "Internal Mic"},
  77 };
  78
  79 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif1_map[] = {
  80         {"ssp2 Tx", NULL, "codec_out0"},
  81         {"ssp2 Tx", NULL, "codec_out1"},
  82         {"codec_in0", NULL, "ssp2 Rx"},
  83         {"codec_in1", NULL, "ssp2 Rx"},
  84
  85         {"AIF1 Playback", NULL, "ssp2 Tx"},
  86         {"ssp2 Rx", NULL, "AIF1 Capture"},
  87 };
  88
  89 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif2_map[] = {
  90         {"ssp2 Tx", NULL, "codec_out0"},
  91         {"ssp2 Tx", NULL, "codec_out1"},
  92         {"codec_in0", NULL, "ssp2 Rx"},
  93         {"codec_in1", NULL, "ssp2 Rx"},
  94
  95         {"AIF2 Playback", NULL, "ssp2 Tx"},
  96         {"ssp2 Rx", NULL, "AIF2 Capture"},
  97 };
  98
  99 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif1_map[] = {
 100         {"ssp0 Tx", NULL, "modem_out"},
 101         {"modem_in", NULL, "ssp0 Rx"},
 102
 103         {"AIF1 Playback", NULL, "ssp0 Tx"},
 104         {"ssp0 Rx", NULL, "AIF1 Capture"},
 105 };
 106
 107 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif2_map[] = {
 108         {"ssp0 Tx", NULL, "modem_out"},
 109         {"modem_in", NULL, "ssp0 Rx"},
 110
 111         {"AIF2 Playback", NULL, "ssp0 Tx"},
 112         {"ssp0 Rx", NULL, "AIF2 Capture"},
 113 };
 114
 115 static const struct snd_soc_dapm_route byt_rt5640_stereo_spk_map[] = {
 116         {"Speaker", NULL, "SPOLP"},
 117         {"Speaker", NULL, "SPOLN"},
 118         {"Speaker", NULL, "SPORP"},
 119         {"Speaker", NULL, "SPORN"},
 120 };
 121
 122 static const struct snd_soc_dapm_route byt_rt5640_mono_spk_map[] = {
 123         {"Speaker", NULL, "SPOLP"},
 124         {"Speaker", NULL, "SPOLN"},
 125 };
 126
 127 static const struct snd_kcontrol_new byt_rt5640_controls[] = {
 128         SOC_DAPM_PIN_SWITCH("Headphone"),
 129         SOC_DAPM_PIN_SWITCH("Headset Mic"),
 130         SOC_DAPM_PIN_SWITCH("Internal Mic"),
 131         SOC_DAPM_PIN_SWITCH("Speaker"),
 132 };
 133
 134 static int byt_rt5640_aif1_hw_params(struct snd_pcm_substream *substream,
 135                                         struct snd_pcm_hw_params *params)
 136 {
 137         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 138         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 139         int ret;
 140
 141         snd_soc_dai_set_bclk_ratio(codec_dai, 50);
 142
 143         ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1,
 144                                      params_rate(params) * 512,
 145                                      SND_SOC_CLOCK_IN);
 146         if (ret < 0) {
 147                 dev_err(rtd->dev, "can't set codec clock %d\n", ret);
 148                 return ret;
 149         }
 150
 151         ret = snd_soc_dai_set_pll(codec_dai, 0, RT5640_PLL1_S_BCLK1,
 152                                   params_rate(params) * 50,
 153                                   params_rate(params) * 512);
 154         if (ret < 0) {
 155                 dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
 156                 return ret;
 157         }
 158
 159         return 0;
 160 }
 161
 162 static int byt_rt5640_quirk_cb(const struct dmi_system_id *id)
 163 {
 164         byt_rt5640_quirk = (unsigned long)id->driver_data;
 165         return 1;
 166 }
 167
 168 static const struct dmi_system_id byt_rt5640_quirk_table[] = {
 169         {
 170                 .callback = byt_rt5640_quirk_cb,
 171                 .matches = {
 172                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 173                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"),
 174                 },
 175                 .driver_data = (unsigned long *)BYT_RT5640_IN1_MAP,
 176         },
 177         {
 178                 .callback = byt_rt5640_quirk_cb,
 179                 .matches = {
 180                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 181                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TAF"),
 182                 },
 183                 .driver_data = (unsigned long *)(BYT_RT5640_IN1_MAP |
 184                                                  BYT_RT5640_MONO_SPEAKER |
 185                                                  BYT_RT5640_DIFF_MIC
 186                                                  ),
 187         },
 188         {
 189                 .callback = byt_rt5640_quirk_cb,
 190                 .matches = {
 191                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "DellInc."),
 192                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Venue 8 Pro 5830"),
 193                 },
 194                 .driver_data = (unsigned long *)(BYT_RT5640_DMIC2_MAP |
 195                                                  BYT_RT5640_DMIC_EN),
 196         },
 197         {
 198                 .callback = byt_rt5640_quirk_cb,
 199                 .matches = {
 200                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 201                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP ElitePad 1000 G2"),
 202                 },
 203                 .driver_data = (unsigned long *)BYT_RT5640_IN1_MAP,
 204         },
 205         {}
 206 };
 207
 208 static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
 209 {
 210         int ret;
 211         struct snd_soc_codec *codec = runtime->codec;
 212         struct snd_soc_card *card = runtime->card;
 213         const struct snd_soc_dapm_route *custom_map;
 214         int num_routes;
 215
 216         card->dapm.idle_bias_off = true;
 217
 218         rt5640_sel_asrc_clk_src(codec,
 219                                 RT5640_DA_STEREO_FILTER |
 220                                 RT5640_AD_STEREO_FILTER,
 221                                 RT5640_CLK_SEL_ASRC);
 222
 223         ret = snd_soc_add_card_controls(card, byt_rt5640_controls,
 224                                         ARRAY_SIZE(byt_rt5640_controls));
 225         if (ret) {
 226                 dev_err(card->dev, "unable to add card controls\n");
 227                 return ret;
 228         }
 229
 230         switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
 231         case BYT_RT5640_IN1_MAP:
 232                 custom_map = byt_rt5640_intmic_in1_map;
 233                 num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map);
 234                 break;
 235         case BYT_RT5640_DMIC2_MAP:
 236                 custom_map = byt_rt5640_intmic_dmic2_map;
 237                 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic2_map);
 238                 break;
 239         default:
 240                 custom_map = byt_rt5640_intmic_dmic1_map;
 241                 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map);
 242         }
 243
 244         ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
 245         if (ret)
 246                 return ret;
 247
 248         if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) {
 249                 ret = snd_soc_dapm_add_routes(&card->dapm,
 250                                         byt_rt5640_ssp2_aif2_map,
 251                                         ARRAY_SIZE(byt_rt5640_ssp2_aif2_map));
 252         } else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) {
 253                 ret = snd_soc_dapm_add_routes(&card->dapm,
 254                                         byt_rt5640_ssp0_aif1_map,
 255                                         ARRAY_SIZE(byt_rt5640_ssp0_aif1_map));
 256         } else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) {
 257                 ret = snd_soc_dapm_add_routes(&card->dapm,
 258                                         byt_rt5640_ssp0_aif2_map,
 259                                         ARRAY_SIZE(byt_rt5640_ssp0_aif2_map));
 260         } else {
 261                 ret = snd_soc_dapm_add_routes(&card->dapm,
 262                                         byt_rt5640_ssp2_aif1_map,
 263                                         ARRAY_SIZE(byt_rt5640_ssp2_aif1_map));
 264         }
 265         if (ret)
 266                 return ret;
 267
 268         if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) {
 269                 ret = snd_soc_dapm_add_routes(&card->dapm,
 270                                         byt_rt5640_mono_spk_map,
 271                                         ARRAY_SIZE(byt_rt5640_mono_spk_map));
 272         } else {
 273                 ret = snd_soc_dapm_add_routes(&card->dapm,
 274                                         byt_rt5640_stereo_spk_map,
 275                                         ARRAY_SIZE(byt_rt5640_stereo_spk_map));
 276         }
 277         if (ret)
 278                 return ret;
 279
 280         if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC) {
 281                 snd_soc_update_bits(codec,  RT5640_IN1_IN2, RT5640_IN_DF1,
 282                                     RT5640_IN_DF1);
 283         }
 284
 285         if (byt_rt5640_quirk & BYT_RT5640_DMIC_EN) {
 286                 ret = rt5640_dmic_enable(codec, 0, 0);
 287                 if (ret)
 288                         return ret;
 289         }
 290
 291         snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
 292         snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker");
 293
 294         return ret;
 295 }
 296
 297 static const struct snd_soc_pcm_stream byt_rt5640_dai_params = {
 298         .formats = SNDRV_PCM_FMTBIT_S24_LE,
 299         .rate_min = 48000,
 300         .rate_max = 48000,
 301         .channels_min = 2,
 302         .channels_max = 2,
 303 };
 304
 305 static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime *rtd,
 306                             struct snd_pcm_hw_params *params)
 307 {
 308         struct snd_interval *rate = hw_param_interval(params,
 309                         SNDRV_PCM_HW_PARAM_RATE);
 310         struct snd_interval *channels = hw_param_interval(params,
 311                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 312         int ret;
 313
 314         /* The DSP will covert the FE rate to 48k, stereo, 24bits */
 315         rate->min = rate->max = 48000;
 316         channels->min = channels->max = 2;
 317
 318         /* set SSP2 to 24-bit */
 319         params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
 320
 321         /*
 322          * Default mode for SSP configuration is TDM 4 slot, override config
 323          * with explicit setting to I2S 2ch 24-bit. The word length is set with
 324          * dai_set_tdm_slot() since there is no other API exposed
 325          */
 326         ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
 327                                   SND_SOC_DAIFMT_I2S     |
 328                                   SND_SOC_DAIFMT_NB_IF   |
 329                                   SND_SOC_DAIFMT_CBS_CFS
 330                                   );
 331         if (ret < 0) {
 332                 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
 333                 return ret;
 334         }
 335
 336         ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 24);
 337         if (ret < 0) {
 338                 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
 339                 return ret;
 340         }
 341
 342         return 0;
 343 }
 344
 345 static int byt_rt5640_aif1_startup(struct snd_pcm_substream *substream)
 346 {
 347         return snd_pcm_hw_constraint_single(substream->runtime,
 348                         SNDRV_PCM_HW_PARAM_RATE, 48000);
 349 }
 350
 351 static struct snd_soc_ops byt_rt5640_aif1_ops = {
 352         .startup = byt_rt5640_aif1_startup,
 353 };
 354
 355 static struct snd_soc_ops byt_rt5640_be_ssp2_ops = {
 356         .hw_params = byt_rt5640_aif1_hw_params,
 357 };
 358
 359 static struct snd_soc_dai_link byt_rt5640_dais[] = {
 360         [MERR_DPCM_AUDIO] = {
 361                 .name = "Baytrail Audio Port",
 362                 .stream_name = "Baytrail Audio",
 363                 .cpu_dai_name = "media-cpu-dai",
 364                 .codec_dai_name = "snd-soc-dummy-dai",
 365                 .codec_name = "snd-soc-dummy",
 366                 .platform_name = "sst-mfld-platform",
 367                 .ignore_suspend = 1,
 368                 .dynamic = 1,
 369                 .dpcm_playback = 1,
 370                 .dpcm_capture = 1,
 371                 .ops = &byt_rt5640_aif1_ops,
 372         },
 373         [MERR_DPCM_DEEP_BUFFER] = {
 374                 .name = "Deep-Buffer Audio Port",
 375                 .stream_name = "Deep-Buffer Audio",
 376                 .cpu_dai_name = "deepbuffer-cpu-dai",
 377                 .codec_dai_name = "snd-soc-dummy-dai",
 378                 .codec_name = "snd-soc-dummy",
 379                 .platform_name = "sst-mfld-platform",
 380                 .ignore_suspend = 1,
 381                 .nonatomic = true,
 382                 .dynamic = 1,
 383                 .dpcm_playback = 1,
 384                 .ops = &byt_rt5640_aif1_ops,
 385         },
 386         [MERR_DPCM_COMPR] = {
 387                 .name = "Baytrail Compressed Port",
 388                 .stream_name = "Baytrail Compress",
 389                 .cpu_dai_name = "compress-cpu-dai",
 390                 .codec_dai_name = "snd-soc-dummy-dai",
 391                 .codec_name = "snd-soc-dummy",
 392                 .platform_name = "sst-mfld-platform",
 393         },
 394                 /* back ends */
 395         {
 396                 .name = "SSP2-Codec",
 397                 .id = 1,
 398                 .cpu_dai_name = "ssp2-port", /* overwritten for ssp0 routing */
 399                 .platform_name = "sst-mfld-platform",
 400                 .no_pcm = 1,
 401                 .codec_dai_name = "rt5640-aif1", /* changed w/ quirk */
 402                 .codec_name = "i2c-10EC5640:00", /* overwritten with HID */
 403                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 404                                                 | SND_SOC_DAIFMT_CBS_CFS,
 405                 .be_hw_params_fixup = byt_rt5640_codec_fixup,
 406                 .ignore_suspend = 1,
 407                 .dpcm_playback = 1,
 408                 .dpcm_capture = 1,
 409                 .init = byt_rt5640_init,
 410                 .ops = &byt_rt5640_be_ssp2_ops,
 411         },
 412 };
 413
 414 /* SoC card */
 415 static struct snd_soc_card byt_rt5640_card = {
 416         .name = "bytcr-rt5640",
 417         .owner = THIS_MODULE,
 418         .dai_link = byt_rt5640_dais,
 419         .num_links = ARRAY_SIZE(byt_rt5640_dais),
 420         .dapm_widgets = byt_rt5640_widgets,
 421         .num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets),
 422         .dapm_routes = byt_rt5640_audio_map,
 423         .num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map),
 424         .fully_routed = true,
 425 };
 426
 427 static char byt_rt5640_codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */
 428 static char byt_rt5640_codec_aif_name[12]; /*  = "rt5640-aif[1|2]" */
 429 static char byt_rt5640_cpu_dai_name[10]; /*  = "ssp[0|2]-port" */
 430
 431 static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
 432 {
 433         int ret_val = 0;
 434         struct sst_acpi_mach *mach;
 435         const char *i2c_name = NULL;
 436         int i;
 437         int dai_index;
 438
 439         /* register the soc card */
 440         byt_rt5640_card.dev = &pdev->dev;
 441         mach = byt_rt5640_card.dev->platform_data;
 442
 443         /* fix index of codec dai */
 444         dai_index = MERR_DPCM_COMPR + 1;
 445         for (i = 0; i < ARRAY_SIZE(byt_rt5640_dais); i++) {
 446                 if (!strcmp(byt_rt5640_dais[i].codec_name, "i2c-10EC5640:00")) {
 447                         dai_index = i;
 448                         break;
 449                 }
 450         }
 451
 452         /* fixup codec name based on HID */
 453         i2c_name = sst_acpi_find_name_from_hid(mach->id);
 454         if (i2c_name != NULL) {
 455                 snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
 456                         "%s%s", "i2c-", i2c_name);
 457
 458                 byt_rt5640_dais[dai_index].codec_name = byt_rt5640_codec_name;
 459         }
 460
 461         /* check quirks before creating card */
 462         dmi_check_system(byt_rt5640_quirk_table);
 463
 464         if ((byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) ||
 465             (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
 466
 467                 /* fixup codec aif name */
 468                 snprintf(byt_rt5640_codec_aif_name,
 469                         sizeof(byt_rt5640_codec_aif_name),
 470                         "%s", "rt5640-aif2");
 471
 472                 byt_rt5640_dais[dai_index].codec_dai_name =
 473                         byt_rt5640_codec_aif_name;
 474         }
 475
 476         if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
 477             (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
 478
 479                 /* fixup cpu dai name name */
 480                 snprintf(byt_rt5640_cpu_dai_name,
 481                         sizeof(byt_rt5640_cpu_dai_name),
 482                         "%s", "ssp0-port");
 483
 484                 byt_rt5640_dais[dai_index].cpu_dai_name =
 485                         byt_rt5640_cpu_dai_name;
 486         }
 487
 488         ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5640_card);
 489
 490         if (ret_val) {
 491                 dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
 492                         ret_val);
 493                 return ret_val;
 494         }
 495         platform_set_drvdata(pdev, &byt_rt5640_card);
 496         return ret_val;
 497 }
 498
 499 static struct platform_driver snd_byt_rt5640_mc_driver = {
 500         .driver = {
 501                 .name = "bytcr_rt5640",
 502                 .pm = &snd_soc_pm_ops,
 503         },
 504         .probe = snd_byt_rt5640_mc_probe,
 505 };
 506
 507 module_platform_driver(snd_byt_rt5640_mc_driver);
 508
 509 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
 510 MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>");
 511 MODULE_LICENSE("GPL v2");
 512 MODULE_ALIAS("platform:bytcr_rt5640");