sound/soc/rockchip/rockchip_max98090.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Rockchip machine ASoC driver for boards using a MAX90809 CODEC.
   4  *
   5  * Copyright (c) 2014, ROCKCHIP CORPORATION.  All rights reserved.
   6  */
   7
   8 #include <linux/module.h>
   9 #include <linux/of_device.h>
  10 #include <linux/platform_device.h>
  11 #include <linux/slab.h>
  12 #include <linux/gpio.h>
  13 #include <linux/of_gpio.h>
  14 #include <sound/core.h>
  15 #include <sound/hdmi-codec.h>
  16 #include <sound/jack.h>
  17 #include <sound/pcm.h>
  18 #include <sound/pcm_params.h>
  19 #include <sound/soc.h>
  20
  21 #include "rockchip_i2s.h"
  22 #include "../codecs/ts3a227e.h"
  23
  24 #define DRV_NAME "rockchip-snd-max98090"
  25
  26 static struct snd_soc_jack headset_jack;
  27
  28 /* Headset jack detection DAPM pins */
  29 static struct snd_soc_jack_pin headset_jack_pins[] = {
  30         {
  31                 .pin = "Headphone",
  32                 .mask = SND_JACK_HEADPHONE,
  33         },
  34         {
  35                 .pin = "Headset Mic",
  36                 .mask = SND_JACK_MICROPHONE,
  37         },
  38
  39 };
  40
  41 #define RK_MAX98090_WIDGETS \
  42         SND_SOC_DAPM_HP("Headphone", NULL), \
  43         SND_SOC_DAPM_MIC("Headset Mic", NULL), \
  44         SND_SOC_DAPM_MIC("Int Mic", NULL), \
  45         SND_SOC_DAPM_SPK("Speaker", NULL)
  46
  47 #define RK_HDMI_WIDGETS \
  48         SND_SOC_DAPM_LINE("HDMI", NULL)
  49
  50 static const struct snd_soc_dapm_widget rk_max98090_dapm_widgets[] = {
  51         RK_MAX98090_WIDGETS,
  52 };
  53
  54 static const struct snd_soc_dapm_widget rk_hdmi_dapm_widgets[] = {
  55         RK_HDMI_WIDGETS,
  56 };
  57
  58 static const struct snd_soc_dapm_widget rk_max98090_hdmi_dapm_widgets[] = {
  59         RK_MAX98090_WIDGETS,
  60         RK_HDMI_WIDGETS,
  61 };
  62
  63 #define RK_MAX98090_AUDIO_MAP \
  64         {"IN34", NULL, "Headset Mic"}, \
  65         {"Headset Mic", NULL, "MICBIAS"}, \
  66         {"DMICL", NULL, "Int Mic"}, \
  67         {"Headphone", NULL, "HPL"}, \
  68         {"Headphone", NULL, "HPR"}, \
  69         {"Speaker", NULL, "SPKL"}, \
  70         {"Speaker", NULL, "SPKR"}
  71
  72 #define RK_HDMI_AUDIO_MAP \
  73         {"HDMI", NULL, "TX"}
  74
  75 static const struct snd_soc_dapm_route rk_max98090_audio_map[] = {
  76         RK_MAX98090_AUDIO_MAP,
  77 };
  78
  79 static const struct snd_soc_dapm_route rk_hdmi_audio_map[] = {
  80         RK_HDMI_AUDIO_MAP,
  81 };
  82
  83 static const struct snd_soc_dapm_route rk_max98090_hdmi_audio_map[] = {
  84         RK_MAX98090_AUDIO_MAP,
  85         RK_HDMI_AUDIO_MAP,
  86 };
  87
  88 #define RK_MAX98090_CONTROLS \
  89         SOC_DAPM_PIN_SWITCH("Headphone"), \
  90         SOC_DAPM_PIN_SWITCH("Headset Mic"), \
  91         SOC_DAPM_PIN_SWITCH("Int Mic"), \
  92         SOC_DAPM_PIN_SWITCH("Speaker")
  93
  94 #define RK_HDMI_CONTROLS \
  95         SOC_DAPM_PIN_SWITCH("HDMI")
  96
  97 static const struct snd_kcontrol_new rk_max98090_controls[] = {
  98         RK_MAX98090_CONTROLS,
  99 };
 100
 101 static const struct snd_kcontrol_new rk_hdmi_controls[] = {
 102         RK_HDMI_CONTROLS,
 103 };
 104
 105 static const struct snd_kcontrol_new rk_max98090_hdmi_controls[] = {
 106         RK_MAX98090_CONTROLS,
 107         RK_HDMI_CONTROLS,
 108 };
 109
 110 static int rk_jack_event(struct notifier_block *nb, unsigned long event,
 111                          void *data)
 112 {
 113         struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
 114         struct snd_soc_dapm_context *dapm = &jack->card->dapm;
 115
 116         if (event & SND_JACK_MICROPHONE) {
 117                 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
 118                 snd_soc_dapm_force_enable_pin(dapm, "SHDN");
 119         } else {
 120                 snd_soc_dapm_disable_pin(dapm, "MICBIAS");
 121                 snd_soc_dapm_disable_pin(dapm, "SHDN");
 122         }
 123
 124         snd_soc_dapm_sync(dapm);
 125
 126         return 0;
 127 }
 128
 129 static struct notifier_block rk_jack_nb = {
 130         .notifier_call = rk_jack_event,
 131 };
 132
 133 static int rk_init(struct snd_soc_pcm_runtime *runtime)
 134 {
 135         /*
 136          * The jack has already been created in the rk_98090_headset_init()
 137          * function.
 138          */
 139         snd_soc_jack_notifier_register(&headset_jack, &rk_jack_nb);
 140
 141         return 0;
 142 }
 143
 144 static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
 145                              struct snd_pcm_hw_params *params)
 146 {
 147         int ret = 0;
 148         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 149         struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
 150         struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
 151         int mclk;
 152
 153         switch (params_rate(params)) {
 154         case 8000:
 155         case 16000:
 156         case 24000:
 157         case 32000:
 158         case 48000:
 159         case 64000:
 160         case 96000:
 161                 mclk = 12288000;
 162                 break;
 163         case 11025:
 164         case 22050:
 165         case 44100:
 166         case 88200:
 167                 mclk = 11289600;
 168                 break;
 169         default:
 170                 return -EINVAL;
 171         }
 172
 173         ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
 174                                      SND_SOC_CLOCK_OUT);
 175         if (ret) {
 176                 dev_err(cpu_dai->dev, "Can't set cpu dai clock %d\n", ret);
 177                 return ret;
 178         }
 179
 180         ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
 181                                      SND_SOC_CLOCK_IN);
 182
 183         /* HDMI codec dai does not need to set sysclk. */
 184         if (!strcmp(rtd->dai_link->name, "HDMI"))
 185                 return 0;
 186
 187         if (ret) {
 188                 dev_err(codec_dai->dev, "Can't set codec dai clock %d\n", ret);
 189                 return ret;
 190         }
 191
 192         return ret;
 193 }
 194
 195 static int rk_aif1_startup(struct snd_pcm_substream *substream)
 196 {
 197         /*
 198          * Set period size to 240 because pl330 has issue
 199          * dealing with larger period in stress testing.
 200          */
 201         return snd_pcm_hw_constraint_minmax(substream->runtime,
 202                         SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 240, 240);
 203 }
 204
 205 static const struct snd_soc_ops rk_aif1_ops = {
 206         .hw_params = rk_aif1_hw_params,
 207         .startup = rk_aif1_startup,
 208 };
 209
 210 SND_SOC_DAILINK_DEFS(analog,
 211                      DAILINK_COMP_ARRAY(COMP_EMPTY()),
 212                      DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
 213                      DAILINK_COMP_ARRAY(COMP_EMPTY()));
 214
 215 SND_SOC_DAILINK_DEFS(hdmi,
 216                      DAILINK_COMP_ARRAY(COMP_EMPTY()),
 217                      DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")),
 218                      DAILINK_COMP_ARRAY(COMP_EMPTY()));
 219
 220 enum {
 221         DAILINK_MAX98090,
 222         DAILINK_HDMI,
 223 };
 224
 225 static struct snd_soc_jack rk_hdmi_jack;
 226
 227 static int rk_hdmi_init(struct snd_soc_pcm_runtime *runtime)
 228 {
 229         struct snd_soc_card *card = runtime->card;
 230         struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
 231         int ret;
 232
 233         /* enable jack detection */
 234         ret = snd_soc_card_jack_new(card, "HDMI Jack", SND_JACK_LINEOUT,
 235                                     &rk_hdmi_jack, NULL, 0);
 236         if (ret) {
 237                 dev_err(card->dev, "Can't new HDMI Jack %d\n", ret);
 238                 return ret;
 239         }
 240
 241         return hdmi_codec_set_jack_detect(component, &rk_hdmi_jack);
 242 }
 243
 244 /* max98090 dai_link */
 245 static struct snd_soc_dai_link rk_max98090_dailinks[] = {
 246         {
 247                 .name = "max98090",
 248                 .stream_name = "Analog",
 249                 .init = rk_init,
 250                 .ops = &rk_aif1_ops,
 251                 /* set max98090 as slave */
 252                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 253                         SND_SOC_DAIFMT_CBS_CFS,
 254                 SND_SOC_DAILINK_REG(analog),
 255         },
 256 };
 257
 258 /* HDMI codec dai_link */
 259 static struct snd_soc_dai_link rk_hdmi_dailinks[] = {
 260         {
 261                 .name = "HDMI",
 262                 .stream_name = "HDMI",
 263                 .init = rk_hdmi_init,
 264                 .ops = &rk_aif1_ops,
 265                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 266                         SND_SOC_DAIFMT_CBS_CFS,
 267                 SND_SOC_DAILINK_REG(hdmi),
 268         }
 269 };
 270
 271 /* max98090 and HDMI codec dai_link */
 272 static struct snd_soc_dai_link rk_max98090_hdmi_dailinks[] = {
 273         [DAILINK_MAX98090] = {
 274                 .name = "max98090",
 275                 .stream_name = "Analog",
 276                 .init = rk_init,
 277                 .ops = &rk_aif1_ops,
 278                 /* set max98090 as slave */
 279                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 280                         SND_SOC_DAIFMT_CBS_CFS,
 281                 SND_SOC_DAILINK_REG(analog),
 282         },
 283         [DAILINK_HDMI] = {
 284                 .name = "HDMI",
 285                 .stream_name = "HDMI",
 286                 .init = rk_hdmi_init,
 287                 .ops = &rk_aif1_ops,
 288                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 289                         SND_SOC_DAIFMT_CBS_CFS,
 290                 SND_SOC_DAILINK_REG(hdmi),
 291         }
 292 };
 293
 294 static int rk_98090_headset_init(struct snd_soc_component *component);
 295
 296 static struct snd_soc_aux_dev rk_98090_headset_dev = {
 297         .dlc = COMP_EMPTY(),
 298         .init = rk_98090_headset_init,
 299 };
 300
 301 static struct snd_soc_card rockchip_max98090_card = {
 302         .name = "ROCKCHIP-I2S",
 303         .owner = THIS_MODULE,
 304         .dai_link = rk_max98090_dailinks,
 305         .num_links = ARRAY_SIZE(rk_max98090_dailinks),
 306         .aux_dev = &rk_98090_headset_dev,
 307         .num_aux_devs = 1,
 308         .dapm_widgets = rk_max98090_dapm_widgets,
 309         .num_dapm_widgets = ARRAY_SIZE(rk_max98090_dapm_widgets),
 310         .dapm_routes = rk_max98090_audio_map,
 311         .num_dapm_routes = ARRAY_SIZE(rk_max98090_audio_map),
 312         .controls = rk_max98090_controls,
 313         .num_controls = ARRAY_SIZE(rk_max98090_controls),
 314 };
 315
 316 static struct snd_soc_card rockchip_hdmi_card = {
 317         .name = "ROCKCHIP-HDMI",
 318         .owner = THIS_MODULE,
 319         .dai_link = rk_hdmi_dailinks,
 320         .num_links = ARRAY_SIZE(rk_hdmi_dailinks),
 321         .dapm_widgets = rk_hdmi_dapm_widgets,
 322         .num_dapm_widgets = ARRAY_SIZE(rk_hdmi_dapm_widgets),
 323         .dapm_routes = rk_hdmi_audio_map,
 324         .num_dapm_routes = ARRAY_SIZE(rk_hdmi_audio_map),
 325         .controls = rk_hdmi_controls,
 326         .num_controls = ARRAY_SIZE(rk_hdmi_controls),
 327 };
 328
 329 static struct snd_soc_card rockchip_max98090_hdmi_card = {
 330         .name = "ROCKCHIP-MAX98090-HDMI",
 331         .owner = THIS_MODULE,
 332         .dai_link = rk_max98090_hdmi_dailinks,
 333         .num_links = ARRAY_SIZE(rk_max98090_hdmi_dailinks),
 334         .aux_dev = &rk_98090_headset_dev,
 335         .num_aux_devs = 1,
 336         .dapm_widgets = rk_max98090_hdmi_dapm_widgets,
 337         .num_dapm_widgets = ARRAY_SIZE(rk_max98090_hdmi_dapm_widgets),
 338         .dapm_routes = rk_max98090_hdmi_audio_map,
 339         .num_dapm_routes = ARRAY_SIZE(rk_max98090_hdmi_audio_map),
 340         .controls = rk_max98090_hdmi_controls,
 341         .num_controls = ARRAY_SIZE(rk_max98090_hdmi_controls),
 342 };
 343
 344 static int rk_98090_headset_init(struct snd_soc_component *component)
 345 {
 346         int ret;
 347
 348         /* Enable Headset and 4 Buttons Jack detection */
 349         ret = snd_soc_card_jack_new(component->card, "Headset Jack",
 350                                     SND_JACK_HEADSET |
 351                                     SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 352                                     SND_JACK_BTN_2 | SND_JACK_BTN_3,
 353                                     &headset_jack,
 354                                     headset_jack_pins,
 355                                     ARRAY_SIZE(headset_jack_pins));
 356         if (ret)
 357                 return ret;
 358
 359         ret = ts3a227e_enable_jack_detect(component, &headset_jack);
 360
 361         return ret;
 362 }
 363
 364 static int rk_parse_headset_from_of(struct device *dev, struct device_node *np)
 365 {
 366         rk_98090_headset_dev.dlc.of_node = of_parse_phandle(
 367                         np, "rockchip,headset-codec", 0);
 368         if (!rk_98090_headset_dev.dlc.of_node) {
 369                 dev_err(dev,
 370                         "Property 'rockchip,headset-codec' missing/invalid\n");
 371                 return -EINVAL;
 372         }
 373         return 0;
 374 }
 375
 376 static int snd_rk_mc_probe(struct platform_device *pdev)
 377 {
 378         int ret = 0;
 379         struct snd_soc_card *card;
 380         struct device *dev = &pdev->dev;
 381         struct device_node *np = pdev->dev.of_node;
 382         struct device_node *np_cpu;
 383         struct device_node *np_audio, *np_hdmi;
 384
 385         /* Parse DTS for I2S controller. */
 386         np_cpu = of_parse_phandle(np, "rockchip,i2s-controller", 0);
 387
 388         if (!np_cpu) {
 389                 dev_err(&pdev->dev,
 390                         "Property 'rockchip,i2s-controller missing or invalid\n");
 391                 return -EINVAL;
 392         }
 393
 394         /*
 395          * Find the card to use based on the presences of audio codec
 396          * and hdmi codec in device property. Set their of_node accordingly.
 397          */
 398         np_audio = of_parse_phandle(np, "rockchip,audio-codec", 0);
 399         np_hdmi = of_parse_phandle(np, "rockchip,hdmi-codec", 0);
 400         if (np_audio && np_hdmi) {
 401                 card = &rockchip_max98090_hdmi_card;
 402                 card->dai_link[DAILINK_MAX98090].codecs->of_node = np_audio;
 403                 card->dai_link[DAILINK_HDMI].codecs->of_node = np_hdmi;
 404                 card->dai_link[DAILINK_MAX98090].cpus->of_node = np_cpu;
 405                 card->dai_link[DAILINK_MAX98090].platforms->of_node = np_cpu;
 406                 card->dai_link[DAILINK_HDMI].cpus->of_node = np_cpu;
 407                 card->dai_link[DAILINK_HDMI].platforms->of_node = np_cpu;
 408         } else if (np_audio) {
 409                 card = &rockchip_max98090_card;
 410                 card->dai_link[0].codecs->of_node = np_audio;
 411                 card->dai_link[0].cpus->of_node = np_cpu;
 412                 card->dai_link[0].platforms->of_node = np_cpu;
 413         } else if (np_hdmi) {
 414                 card = &rockchip_hdmi_card;
 415                 card->dai_link[0].codecs->of_node = np_hdmi;
 416                 card->dai_link[0].cpus->of_node = np_cpu;
 417                 card->dai_link[0].platforms->of_node = np_cpu;
 418         } else {
 419                 dev_err(dev, "At least one of codecs should be specified\n");
 420                 return -EINVAL;
 421         }
 422
 423         card->dev = dev;
 424
 425         /* Parse headset detection codec. */
 426         if (np_audio) {
 427                 ret = rk_parse_headset_from_of(dev, np);
 428                 if (ret)
 429                         return ret;
 430         }
 431
 432         /* Parse card name. */
 433         ret = snd_soc_of_parse_card_name(card, "rockchip,model");
 434         if (ret) {
 435                 dev_err(&pdev->dev,
 436                         "Soc parse card name failed %d\n", ret);
 437                 return ret;
 438         }
 439
 440         /* register the soc card */
 441         ret = devm_snd_soc_register_card(&pdev->dev, card);
 442         if (ret) {
 443                 dev_err(&pdev->dev,
 444                         "Soc register card failed %d\n", ret);
 445                 return ret;
 446         }
 447
 448         return ret;
 449 }
 450
 451 static const struct of_device_id rockchip_max98090_of_match[] = {
 452         { .compatible = "rockchip,rockchip-audio-max98090", },
 453         {},
 454 };
 455
 456 MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
 457
 458 static struct platform_driver snd_rk_mc_driver = {
 459         .probe = snd_rk_mc_probe,
 460         .driver = {
 461                 .name = DRV_NAME,
 462                 .pm = &snd_soc_pm_ops,
 463                 .of_match_table = rockchip_max98090_of_match,
 464         },
 465 };
 466
 467 module_platform_driver(snd_rk_mc_driver);
 468
 469 MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
 470 MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
 471 MODULE_LICENSE("GPL v2");
 472 MODULE_ALIAS("platform:" DRV_NAME);