sound/soc/samsung/bells.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 //
   3 // Bells audio support
   4 //
   5 // Copyright 2012 Wolfson Microelectronics
   6
   7 #include <sound/soc.h>
   8 #include <sound/soc-dapm.h>
   9 #include <sound/jack.h>
  10 #include <linux/gpio.h>
  11 #include <linux/module.h>
  12
  13 #include "../codecs/wm5102.h"
  14 #include "../codecs/wm9081.h"
  15
  16 /* BCLK2 is fixed at this currently */
  17 #define BCLK2_RATE (64 * 8000)
  18
  19 /*
  20  * Expect a 24.576MHz crystal if one is fitted (the driver will function
  21  * if this is not fitted).
  22  */
  23 #define MCLK_RATE 24576000
  24
  25 #define SYS_AUDIO_RATE 44100
  26 #define SYS_MCLK_RATE  (SYS_AUDIO_RATE * 512)
  27
  28 #define DAI_AP_DSP    0
  29 #define DAI_DSP_CODEC 1
  30 #define DAI_CODEC_CP  2
  31 #define DAI_CODEC_SUB 3
  32
  33 struct bells_drvdata {
  34         int sysclk_rate;
  35         int asyncclk_rate;
  36 };
  37
  38 static struct bells_drvdata wm2200_drvdata = {
  39         .sysclk_rate = 22579200,
  40 };
  41
  42 static struct bells_drvdata wm5102_drvdata = {
  43         .sysclk_rate = 45158400,
  44         .asyncclk_rate = 49152000,
  45 };
  46
  47 static struct bells_drvdata wm5110_drvdata = {
  48         .sysclk_rate = 135475200,
  49         .asyncclk_rate = 147456000,
  50 };
  51
  52 static int bells_set_bias_level(struct snd_soc_card *card,
  53                                 struct snd_soc_dapm_context *dapm,
  54                                 enum snd_soc_bias_level level)
  55 {
  56         struct snd_soc_pcm_runtime *rtd;
  57         struct snd_soc_dai *codec_dai;
  58         struct snd_soc_component *component;
  59         struct bells_drvdata *bells = card->drvdata;
  60         int ret;
  61
  62         rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]);
  63         codec_dai = rtd->codec_dai;
  64         component = codec_dai->component;
  65
  66         if (dapm->dev != codec_dai->dev)
  67                 return 0;
  68
  69         switch (level) {
  70         case SND_SOC_BIAS_PREPARE:
  71                 if (dapm->bias_level != SND_SOC_BIAS_STANDBY)
  72                         break;
  73
  74                 ret = snd_soc_component_set_pll(component, WM5102_FLL1,
  75                                             ARIZONA_FLL_SRC_MCLK1,
  76                                             MCLK_RATE,
  77                                             bells->sysclk_rate);
  78                 if (ret < 0)
  79                         pr_err("Failed to start FLL: %d\n", ret);
  80
  81                 if (bells->asyncclk_rate) {
  82                         ret = snd_soc_component_set_pll(component, WM5102_FLL2,
  83                                                     ARIZONA_FLL_SRC_AIF2BCLK,
  84                                                     BCLK2_RATE,
  85                                                     bells->asyncclk_rate);
  86                         if (ret < 0)
  87                                 pr_err("Failed to start FLL: %d\n", ret);
  88                 }
  89                 break;
  90
  91         default:
  92                 break;
  93         }
  94
  95         return 0;
  96 }
  97
  98 static int bells_set_bias_level_post(struct snd_soc_card *card,
  99                                      struct snd_soc_dapm_context *dapm,
 100                                      enum snd_soc_bias_level level)
 101 {
 102         struct snd_soc_pcm_runtime *rtd;
 103         struct snd_soc_dai *codec_dai;
 104         struct snd_soc_component *component;
 105         struct bells_drvdata *bells = card->drvdata;
 106         int ret;
 107
 108         rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]);
 109         codec_dai = rtd->codec_dai;
 110         component = codec_dai->component;
 111
 112         if (dapm->dev != codec_dai->dev)
 113                 return 0;
 114
 115         switch (level) {
 116         case SND_SOC_BIAS_STANDBY:
 117                 ret = snd_soc_component_set_pll(component, WM5102_FLL1, 0, 0, 0);
 118                 if (ret < 0) {
 119                         pr_err("Failed to stop FLL: %d\n", ret);
 120                         return ret;
 121                 }
 122
 123                 if (bells->asyncclk_rate) {
 124                         ret = snd_soc_component_set_pll(component, WM5102_FLL2,
 125                                                     0, 0, 0);
 126                         if (ret < 0) {
 127                                 pr_err("Failed to stop FLL: %d\n", ret);
 128                                 return ret;
 129                         }
 130                 }
 131                 break;
 132
 133         default:
 134                 break;
 135         }
 136
 137         dapm->bias_level = level;
 138
 139         return 0;
 140 }
 141
 142 static int bells_late_probe(struct snd_soc_card *card)
 143 {
 144         struct bells_drvdata *bells = card->drvdata;
 145         struct snd_soc_pcm_runtime *rtd;
 146         struct snd_soc_component *wm0010;
 147         struct snd_soc_component *component;
 148         struct snd_soc_dai *aif1_dai;
 149         struct snd_soc_dai *aif2_dai;
 150         struct snd_soc_dai *aif3_dai;
 151         struct snd_soc_dai *wm9081_dai;
 152         int ret;
 153
 154         rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_AP_DSP]);
 155         wm0010 = rtd->codec_dai->component;
 156
 157         rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]);
 158         component = rtd->codec_dai->component;
 159         aif1_dai = rtd->codec_dai;
 160
 161         ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_SYSCLK,
 162                                        ARIZONA_CLK_SRC_FLL1,
 163                                        bells->sysclk_rate,
 164                                        SND_SOC_CLOCK_IN);
 165         if (ret != 0) {
 166                 dev_err(component->dev, "Failed to set SYSCLK: %d\n", ret);
 167                 return ret;
 168         }
 169
 170         ret = snd_soc_component_set_sysclk(wm0010, 0, 0, SYS_MCLK_RATE, 0);
 171         if (ret != 0) {
 172                 dev_err(wm0010->dev, "Failed to set WM0010 clock: %d\n", ret);
 173                 return ret;
 174         }
 175
 176         ret = snd_soc_dai_set_sysclk(aif1_dai, ARIZONA_CLK_SYSCLK, 0, 0);
 177         if (ret != 0)
 178                 dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);
 179
 180         ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_OPCLK, 0,
 181                                        SYS_MCLK_RATE, SND_SOC_CLOCK_OUT);
 182         if (ret != 0)
 183                 dev_err(component->dev, "Failed to set OPCLK: %d\n", ret);
 184
 185         if (card->num_rtd == DAI_CODEC_CP)
 186                 return 0;
 187
 188         ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_ASYNCCLK,
 189                                        ARIZONA_CLK_SRC_FLL2,
 190                                        bells->asyncclk_rate,
 191                                        SND_SOC_CLOCK_IN);
 192         if (ret != 0) {
 193                 dev_err(component->dev, "Failed to set ASYNCCLK: %d\n", ret);
 194                 return ret;
 195         }
 196
 197         rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_CODEC_CP]);
 198         aif2_dai = rtd->cpu_dai;
 199
 200         ret = snd_soc_dai_set_sysclk(aif2_dai, ARIZONA_CLK_ASYNCCLK, 0, 0);
 201         if (ret != 0) {
 202                 dev_err(aif2_dai->dev, "Failed to set AIF2 clock: %d\n", ret);
 203                 return ret;
 204         }
 205
 206         if (card->num_rtd == DAI_CODEC_SUB)
 207                 return 0;
 208
 209         rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_CODEC_SUB]);
 210         aif3_dai = rtd->cpu_dai;
 211         wm9081_dai = rtd->codec_dai;
 212
 213         ret = snd_soc_dai_set_sysclk(aif3_dai, ARIZONA_CLK_SYSCLK, 0, 0);
 214         if (ret != 0) {
 215                 dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);
 216                 return ret;
 217         }
 218
 219         ret = snd_soc_component_set_sysclk(wm9081_dai->component, WM9081_SYSCLK_MCLK,
 220                                        0, SYS_MCLK_RATE, 0);
 221         if (ret != 0) {
 222                 dev_err(wm9081_dai->dev, "Failed to set MCLK: %d\n", ret);
 223                 return ret;
 224         }
 225
 226         return 0;
 227 }
 228
 229 static const struct snd_soc_pcm_stream baseband_params = {
 230         .formats = SNDRV_PCM_FMTBIT_S32_LE,
 231         .rate_min = 8000,
 232         .rate_max = 8000,
 233         .channels_min = 2,
 234         .channels_max = 2,
 235 };
 236
 237 static const struct snd_soc_pcm_stream sub_params = {
 238         .formats = SNDRV_PCM_FMTBIT_S32_LE,
 239         .rate_min = SYS_AUDIO_RATE,
 240         .rate_max = SYS_AUDIO_RATE,
 241         .channels_min = 2,
 242         .channels_max = 2,
 243 };
 244
 245 SND_SOC_DAILINK_DEFS(wm2200_cpu_dsp,
 246         DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),
 247         DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")),
 248         DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));
 249
 250 SND_SOC_DAILINK_DEFS(wm2200_dsp_codec,
 251         DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")),
 252         DAILINK_COMP_ARRAY(COMP_CODEC("wm2200.1-003a", "wm2200")));
 253
 254 static struct snd_soc_dai_link bells_dai_wm2200[] = {
 255         {
 256                 .name = "CPU-DSP",
 257                 .stream_name = "CPU-DSP",
 258                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 259                                 | SND_SOC_DAIFMT_CBM_CFM,
 260                 SND_SOC_DAILINK_REG(wm2200_cpu_dsp),
 261         },
 262         {
 263                 .name = "DSP-CODEC",
 264                 .stream_name = "DSP-CODEC",
 265                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 266                                 | SND_SOC_DAIFMT_CBM_CFM,
 267                 .params = &sub_params,
 268                 .ignore_suspend = 1,
 269                 SND_SOC_DAILINK_REG(wm2200_dsp_codec),
 270         },
 271 };
 272
 273 SND_SOC_DAILINK_DEFS(wm5102_cpu_dsp,
 274         DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),
 275         DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")),
 276         DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));
 277
 278 SND_SOC_DAILINK_DEFS(wm5102_dsp_codec,
 279         DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")),
 280         DAILINK_COMP_ARRAY(COMP_CODEC("wm5102-codec", "wm5102-aif1")));
 281
 282 SND_SOC_DAILINK_DEFS(wm5102_baseband,
 283         DAILINK_COMP_ARRAY(COMP_CPU("wm5102-aif2")),
 284         DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));
 285
 286 SND_SOC_DAILINK_DEFS(wm5102_sub,
 287         DAILINK_COMP_ARRAY(COMP_CPU("wm5102-aif3")),
 288         DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi")));
 289
 290 static struct snd_soc_dai_link bells_dai_wm5102[] = {
 291         {
 292                 .name = "CPU-DSP",
 293                 .stream_name = "CPU-DSP",
 294                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 295                                 | SND_SOC_DAIFMT_CBM_CFM,
 296                 SND_SOC_DAILINK_REG(wm5102_cpu_dsp),
 297         },
 298         {
 299                 .name = "DSP-CODEC",
 300                 .stream_name = "DSP-CODEC",
 301                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 302                                 | SND_SOC_DAIFMT_CBM_CFM,
 303                 .params = &sub_params,
 304                 .ignore_suspend = 1,
 305                 SND_SOC_DAILINK_REG(wm5102_dsp_codec),
 306         },
 307         {
 308                 .name = "Baseband",
 309                 .stream_name = "Baseband",
 310                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 311                                 | SND_SOC_DAIFMT_CBM_CFM,
 312                 .ignore_suspend = 1,
 313                 .params = &baseband_params,
 314                 SND_SOC_DAILINK_REG(wm5102_baseband),
 315         },
 316         {
 317                 .name = "Sub",
 318                 .stream_name = "Sub",
 319                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 320                                 | SND_SOC_DAIFMT_CBS_CFS,
 321                 .ignore_suspend = 1,
 322                 .params = &sub_params,
 323                 SND_SOC_DAILINK_REG(wm5102_sub),
 324         },
 325 };
 326
 327 SND_SOC_DAILINK_DEFS(wm5110_cpu_dsp,
 328         DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),
 329         DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")),
 330         DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));
 331
 332 SND_SOC_DAILINK_DEFS(wm5110_dsp_codec,
 333         DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")),
 334         DAILINK_COMP_ARRAY(COMP_CODEC("wm5110-codec", "wm5110-aif1")));
 335
 336 SND_SOC_DAILINK_DEFS(wm5110_baseband,
 337         DAILINK_COMP_ARRAY(COMP_CPU("wm5110-aif2")),
 338         DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));
 339
 340
 341 SND_SOC_DAILINK_DEFS(wm5110_sub,
 342         DAILINK_COMP_ARRAY(COMP_CPU("wm5110-aif3")),
 343         DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi")));
 344
 345 static struct snd_soc_dai_link bells_dai_wm5110[] = {
 346         {
 347                 .name = "CPU-DSP",
 348                 .stream_name = "CPU-DSP",
 349                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 350                                 | SND_SOC_DAIFMT_CBM_CFM,
 351                 SND_SOC_DAILINK_REG(wm5110_cpu_dsp),
 352         },
 353         {
 354                 .name = "DSP-CODEC",
 355                 .stream_name = "DSP-CODEC",
 356                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 357                                 | SND_SOC_DAIFMT_CBM_CFM,
 358                 .params = &sub_params,
 359                 .ignore_suspend = 1,
 360                 SND_SOC_DAILINK_REG(wm5110_dsp_codec),
 361         },
 362         {
 363                 .name = "Baseband",
 364                 .stream_name = "Baseband",
 365                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 366                                 | SND_SOC_DAIFMT_CBM_CFM,
 367                 .ignore_suspend = 1,
 368                 .params = &baseband_params,
 369                 SND_SOC_DAILINK_REG(wm5110_baseband),
 370         },
 371         {
 372                 .name = "Sub",
 373                 .stream_name = "Sub",
 374                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 375                                 | SND_SOC_DAIFMT_CBS_CFS,
 376                 .ignore_suspend = 1,
 377                 .params = &sub_params,
 378                 SND_SOC_DAILINK_REG(wm5110_sub),
 379         },
 380 };
 381
 382 static struct snd_soc_codec_conf bells_codec_conf[] = {
 383         {
 384                 .dlc = COMP_CODEC_CONF("wm9081.1-006c"),
 385                 .name_prefix = "Sub",
 386         },
 387 };
 388
 389 static struct snd_soc_dapm_widget bells_widgets[] = {
 390         SND_SOC_DAPM_MIC("DMIC", NULL),
 391 };
 392
 393 static struct snd_soc_dapm_route bells_routes[] = {
 394         { "Sub CLK_SYS", NULL, "OPCLK" },
 395         { "CLKIN", NULL, "OPCLK" },
 396
 397         { "DMIC", NULL, "MICBIAS2" },
 398         { "IN2L", NULL, "DMIC" },
 399         { "IN2R", NULL, "DMIC" },
 400 };
 401
 402 static struct snd_soc_card bells_cards[] = {
 403         {
 404                 .name = "Bells WM2200",
 405                 .owner = THIS_MODULE,
 406                 .dai_link = bells_dai_wm2200,
 407                 .num_links = ARRAY_SIZE(bells_dai_wm2200),
 408                 .codec_conf = bells_codec_conf,
 409                 .num_configs = ARRAY_SIZE(bells_codec_conf),
 410
 411                 .late_probe = bells_late_probe,
 412
 413                 .dapm_widgets = bells_widgets,
 414                 .num_dapm_widgets = ARRAY_SIZE(bells_widgets),
 415                 .dapm_routes = bells_routes,
 416                 .num_dapm_routes = ARRAY_SIZE(bells_routes),
 417
 418                 .set_bias_level = bells_set_bias_level,
 419                 .set_bias_level_post = bells_set_bias_level_post,
 420
 421                 .drvdata = &wm2200_drvdata,
 422         },
 423         {
 424                 .name = "Bells WM5102",
 425                 .owner = THIS_MODULE,
 426                 .dai_link = bells_dai_wm5102,
 427                 .num_links = ARRAY_SIZE(bells_dai_wm5102),
 428                 .codec_conf = bells_codec_conf,
 429                 .num_configs = ARRAY_SIZE(bells_codec_conf),
 430
 431                 .late_probe = bells_late_probe,
 432
 433                 .dapm_widgets = bells_widgets,
 434                 .num_dapm_widgets = ARRAY_SIZE(bells_widgets),
 435                 .dapm_routes = bells_routes,
 436                 .num_dapm_routes = ARRAY_SIZE(bells_routes),
 437
 438                 .set_bias_level = bells_set_bias_level,
 439                 .set_bias_level_post = bells_set_bias_level_post,
 440
 441                 .drvdata = &wm5102_drvdata,
 442         },
 443         {
 444                 .name = "Bells WM5110",
 445                 .owner = THIS_MODULE,
 446                 .dai_link = bells_dai_wm5110,
 447                 .num_links = ARRAY_SIZE(bells_dai_wm5110),
 448                 .codec_conf = bells_codec_conf,
 449                 .num_configs = ARRAY_SIZE(bells_codec_conf),
 450
 451                 .late_probe = bells_late_probe,
 452
 453                 .dapm_widgets = bells_widgets,
 454                 .num_dapm_widgets = ARRAY_SIZE(bells_widgets),
 455                 .dapm_routes = bells_routes,
 456                 .num_dapm_routes = ARRAY_SIZE(bells_routes),
 457
 458                 .set_bias_level = bells_set_bias_level,
 459                 .set_bias_level_post = bells_set_bias_level_post,
 460
 461                 .drvdata = &wm5110_drvdata,
 462         },
 463 };
 464
 465 static int bells_probe(struct platform_device *pdev)
 466 {
 467         int ret;
 468
 469         bells_cards[pdev->id].dev = &pdev->dev;
 470
 471         ret = devm_snd_soc_register_card(&pdev->dev, &bells_cards[pdev->id]);
 472         if (ret)
 473                 dev_err(&pdev->dev,
 474                         "snd_soc_register_card(%s) failed: %d\n",
 475                         bells_cards[pdev->id].name, ret);
 476
 477         return ret;
 478 }
 479
 480 static struct platform_driver bells_driver = {
 481         .driver = {
 482                 .name = "bells",
 483                 .pm = &snd_soc_pm_ops,
 484         },
 485         .probe = bells_probe,
 486 };
 487
 488 module_platform_driver(bells_driver);
 489
 490 MODULE_DESCRIPTION("Bells audio support");
 491 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
 492 MODULE_LICENSE("GPL");
 493 MODULE_ALIAS("platform:bells");