linux/sound/soc/rockchip/rockchip_max98090.c
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   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.h>
  10#include <linux/platform_device.h>
  11#include <linux/slab.h>
  12#include <sound/core.h>
  13#include <sound/jack.h>
  14#include <sound/pcm.h>
  15#include <sound/pcm_params.h>
  16#include <sound/soc.h>
  17
  18#include "rockchip_i2s.h"
  19#include "../codecs/ts3a227e.h"
  20
  21#define DRV_NAME "rockchip-snd-max98090"
  22
  23static struct snd_soc_jack headset_jack;
  24
  25/* Headset jack detection DAPM pins */
  26static struct snd_soc_jack_pin headset_jack_pins[] = {
  27        {
  28                .pin = "Headphone",
  29                .mask = SND_JACK_HEADPHONE,
  30        },
  31        {
  32                .pin = "Headset Mic",
  33                .mask = SND_JACK_MICROPHONE,
  34        },
  35
  36};
  37
  38#define RK_MAX98090_WIDGETS \
  39        SND_SOC_DAPM_HP("Headphone", NULL), \
  40        SND_SOC_DAPM_MIC("Headset Mic", NULL), \
  41        SND_SOC_DAPM_MIC("Int Mic", NULL), \
  42        SND_SOC_DAPM_SPK("Speaker", NULL)
  43
  44#define RK_HDMI_WIDGETS \
  45        SND_SOC_DAPM_LINE("HDMI", NULL)
  46
  47static const struct snd_soc_dapm_widget rk_max98090_dapm_widgets[] = {
  48        RK_MAX98090_WIDGETS,
  49};
  50
  51static const struct snd_soc_dapm_widget rk_hdmi_dapm_widgets[] = {
  52        RK_HDMI_WIDGETS,
  53};
  54
  55static const struct snd_soc_dapm_widget rk_max98090_hdmi_dapm_widgets[] = {
  56        RK_MAX98090_WIDGETS,
  57        RK_HDMI_WIDGETS,
  58};
  59
  60#define RK_MAX98090_AUDIO_MAP \
  61        {"IN34", NULL, "Headset Mic"}, \
  62        {"Headset Mic", NULL, "MICBIAS"}, \
  63        {"DMICL", NULL, "Int Mic"}, \
  64        {"Headphone", NULL, "HPL"}, \
  65        {"Headphone", NULL, "HPR"}, \
  66        {"Speaker", NULL, "SPKL"}, \
  67        {"Speaker", NULL, "SPKR"}
  68
  69#define RK_HDMI_AUDIO_MAP \
  70        {"HDMI", NULL, "TX"}
  71
  72static const struct snd_soc_dapm_route rk_max98090_audio_map[] = {
  73        RK_MAX98090_AUDIO_MAP,
  74};
  75
  76static const struct snd_soc_dapm_route rk_hdmi_audio_map[] = {
  77        RK_HDMI_AUDIO_MAP,
  78};
  79
  80static const struct snd_soc_dapm_route rk_max98090_hdmi_audio_map[] = {
  81        RK_MAX98090_AUDIO_MAP,
  82        RK_HDMI_AUDIO_MAP,
  83};
  84
  85#define RK_MAX98090_CONTROLS \
  86        SOC_DAPM_PIN_SWITCH("Headphone"), \
  87        SOC_DAPM_PIN_SWITCH("Headset Mic"), \
  88        SOC_DAPM_PIN_SWITCH("Int Mic"), \
  89        SOC_DAPM_PIN_SWITCH("Speaker")
  90
  91#define RK_HDMI_CONTROLS \
  92        SOC_DAPM_PIN_SWITCH("HDMI")
  93
  94static const struct snd_kcontrol_new rk_max98090_controls[] = {
  95        RK_MAX98090_CONTROLS,
  96};
  97
  98static const struct snd_kcontrol_new rk_hdmi_controls[] = {
  99        RK_HDMI_CONTROLS,
 100};
 101
 102static const struct snd_kcontrol_new rk_max98090_hdmi_controls[] = {
 103        RK_MAX98090_CONTROLS,
 104        RK_HDMI_CONTROLS,
 105};
 106
 107static int rk_jack_event(struct notifier_block *nb, unsigned long event,
 108                         void *data)
 109{
 110        struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
 111        struct snd_soc_dapm_context *dapm = &jack->card->dapm;
 112
 113        if (event & SND_JACK_MICROPHONE) {
 114                snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
 115                snd_soc_dapm_force_enable_pin(dapm, "SHDN");
 116        } else {
 117                snd_soc_dapm_disable_pin(dapm, "MICBIAS");
 118                snd_soc_dapm_disable_pin(dapm, "SHDN");
 119        }
 120
 121        snd_soc_dapm_sync(dapm);
 122
 123        return 0;
 124}
 125
 126static struct notifier_block rk_jack_nb = {
 127        .notifier_call = rk_jack_event,
 128};
 129
 130static int rk_init(struct snd_soc_pcm_runtime *runtime)
 131{
 132        /*
 133         * The jack has already been created in the rk_98090_headset_init()
 134         * function.
 135         */
 136        snd_soc_jack_notifier_register(&headset_jack, &rk_jack_nb);
 137
 138        return 0;
 139}
 140
 141static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
 142                             struct snd_pcm_hw_params *params)
 143{
 144        int ret = 0;
 145        struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 146        struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
 147        struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
 148        int mclk;
 149
 150        switch (params_rate(params)) {
 151        case 8000:
 152        case 16000:
 153        case 24000:
 154        case 32000:
 155        case 48000:
 156        case 64000:
 157        case 96000:
 158                mclk = 12288000;
 159                break;
 160        case 11025:
 161        case 22050:
 162        case 44100:
 163        case 88200:
 164                mclk = 11289600;
 165                break;
 166        default:
 167                return -EINVAL;
 168        }
 169
 170        ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
 171                                     SND_SOC_CLOCK_OUT);
 172        if (ret) {
 173                dev_err(cpu_dai->dev, "Can't set cpu dai clock %d\n", ret);
 174                return ret;
 175        }
 176
 177        ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
 178                                     SND_SOC_CLOCK_IN);
 179
 180        /* HDMI codec dai does not need to set sysclk. */
 181        if (!strcmp(rtd->dai_link->name, "HDMI"))
 182                return 0;
 183
 184        if (ret) {
 185                dev_err(codec_dai->dev, "Can't set codec dai clock %d\n", ret);
 186                return ret;
 187        }
 188
 189        return ret;
 190}
 191
 192static int rk_aif1_startup(struct snd_pcm_substream *substream)
 193{
 194        /*
 195         * Set period size to 240 because pl330 has issue
 196         * dealing with larger period in stress testing.
 197         */
 198        return snd_pcm_hw_constraint_minmax(substream->runtime,
 199                        SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 240, 240);
 200}
 201
 202static const struct snd_soc_ops rk_aif1_ops = {
 203        .hw_params = rk_aif1_hw_params,
 204        .startup = rk_aif1_startup,
 205};
 206
 207SND_SOC_DAILINK_DEFS(analog,
 208                     DAILINK_COMP_ARRAY(COMP_EMPTY()),
 209                     DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
 210                     DAILINK_COMP_ARRAY(COMP_EMPTY()));
 211
 212SND_SOC_DAILINK_DEFS(hdmi,
 213                     DAILINK_COMP_ARRAY(COMP_EMPTY()),
 214                     DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")),
 215                     DAILINK_COMP_ARRAY(COMP_EMPTY()));
 216
 217enum {
 218        DAILINK_MAX98090,
 219        DAILINK_HDMI,
 220};
 221
 222static struct snd_soc_jack rk_hdmi_jack;
 223
 224static int rk_hdmi_init(struct snd_soc_pcm_runtime *runtime)
 225{
 226        struct snd_soc_card *card = runtime->card;
 227        struct snd_soc_component *component = snd_soc_rtd_to_codec(runtime, 0)->component;
 228        int ret;
 229
 230        /* enable jack detection */
 231        ret = snd_soc_card_jack_new(card, "HDMI Jack", SND_JACK_LINEOUT,
 232                                    &rk_hdmi_jack);
 233        if (ret) {
 234                dev_err(card->dev, "Can't new HDMI Jack %d\n", ret);
 235                return ret;
 236        }
 237
 238        return snd_soc_component_set_jack(component, &rk_hdmi_jack, NULL);
 239}
 240
 241/* max98090 dai_link */
 242static struct snd_soc_dai_link rk_max98090_dailinks[] = {
 243        {
 244                .name = "max98090",
 245                .stream_name = "Analog",
 246                .init = rk_init,
 247                .ops = &rk_aif1_ops,
 248                /* set max98090 as slave */
 249                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 250                        SND_SOC_DAIFMT_CBC_CFC,
 251                SND_SOC_DAILINK_REG(analog),
 252        },
 253};
 254
 255/* HDMI codec dai_link */
 256static struct snd_soc_dai_link rk_hdmi_dailinks[] = {
 257        {
 258                .name = "HDMI",
 259                .stream_name = "HDMI",
 260                .init = rk_hdmi_init,
 261                .ops = &rk_aif1_ops,
 262                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 263                        SND_SOC_DAIFMT_CBC_CFC,
 264                SND_SOC_DAILINK_REG(hdmi),
 265        }
 266};
 267
 268/* max98090 and HDMI codec dai_link */
 269static struct snd_soc_dai_link rk_max98090_hdmi_dailinks[] = {
 270        [DAILINK_MAX98090] = {
 271                .name = "max98090",
 272                .stream_name = "Analog",
 273                .init = rk_init,
 274                .ops = &rk_aif1_ops,
 275                /* set max98090 as slave */
 276                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 277                        SND_SOC_DAIFMT_CBC_CFC,
 278                SND_SOC_DAILINK_REG(analog),
 279        },
 280        [DAILINK_HDMI] = {
 281                .name = "HDMI",
 282                .stream_name = "HDMI",
 283                .init = rk_hdmi_init,
 284                .ops = &rk_aif1_ops,
 285                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 286                        SND_SOC_DAIFMT_CBC_CFC,
 287                SND_SOC_DAILINK_REG(hdmi),
 288        }
 289};
 290
 291static int rk_98090_headset_init(struct snd_soc_component *component);
 292
 293static struct snd_soc_aux_dev rk_98090_headset_dev = {
 294        .dlc = COMP_EMPTY(),
 295        .init = rk_98090_headset_init,
 296};
 297
 298static struct snd_soc_card rockchip_max98090_card = {
 299        .name = "ROCKCHIP-I2S",
 300        .owner = THIS_MODULE,
 301        .dai_link = rk_max98090_dailinks,
 302        .num_links = ARRAY_SIZE(rk_max98090_dailinks),
 303        .aux_dev = &rk_98090_headset_dev,
 304        .num_aux_devs = 1,
 305        .dapm_widgets = rk_max98090_dapm_widgets,
 306        .num_dapm_widgets = ARRAY_SIZE(rk_max98090_dapm_widgets),
 307        .dapm_routes = rk_max98090_audio_map,
 308        .num_dapm_routes = ARRAY_SIZE(rk_max98090_audio_map),
 309        .controls = rk_max98090_controls,
 310        .num_controls = ARRAY_SIZE(rk_max98090_controls),
 311};
 312
 313static struct snd_soc_card rockchip_hdmi_card = {
 314        .name = "ROCKCHIP-HDMI",
 315        .owner = THIS_MODULE,
 316        .dai_link = rk_hdmi_dailinks,
 317        .num_links = ARRAY_SIZE(rk_hdmi_dailinks),
 318        .dapm_widgets = rk_hdmi_dapm_widgets,
 319        .num_dapm_widgets = ARRAY_SIZE(rk_hdmi_dapm_widgets),
 320        .dapm_routes = rk_hdmi_audio_map,
 321        .num_dapm_routes = ARRAY_SIZE(rk_hdmi_audio_map),
 322        .controls = rk_hdmi_controls,
 323        .num_controls = ARRAY_SIZE(rk_hdmi_controls),
 324};
 325
 326static struct snd_soc_card rockchip_max98090_hdmi_card = {
 327        .name = "ROCKCHIP-MAX98090-HDMI",
 328        .owner = THIS_MODULE,
 329        .dai_link = rk_max98090_hdmi_dailinks,
 330        .num_links = ARRAY_SIZE(rk_max98090_hdmi_dailinks),
 331        .aux_dev = &rk_98090_headset_dev,
 332        .num_aux_devs = 1,
 333        .dapm_widgets = rk_max98090_hdmi_dapm_widgets,
 334        .num_dapm_widgets = ARRAY_SIZE(rk_max98090_hdmi_dapm_widgets),
 335        .dapm_routes = rk_max98090_hdmi_audio_map,
 336        .num_dapm_routes = ARRAY_SIZE(rk_max98090_hdmi_audio_map),
 337        .controls = rk_max98090_hdmi_controls,
 338        .num_controls = ARRAY_SIZE(rk_max98090_hdmi_controls),
 339};
 340
 341static int rk_98090_headset_init(struct snd_soc_component *component)
 342{
 343        int ret;
 344
 345        /* Enable Headset and 4 Buttons Jack detection */
 346        ret = snd_soc_card_jack_new_pins(component->card, "Headset Jack",
 347                                         SND_JACK_HEADSET |
 348                                         SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 349                                         SND_JACK_BTN_2 | SND_JACK_BTN_3,
 350                                         &headset_jack,
 351                                         headset_jack_pins,
 352                                         ARRAY_SIZE(headset_jack_pins));
 353        if (ret)
 354                return ret;
 355
 356        ret = ts3a227e_enable_jack_detect(component, &headset_jack);
 357
 358        return ret;
 359}
 360
 361static int rk_parse_headset_from_of(struct device *dev, struct device_node *np)
 362{
 363        rk_98090_headset_dev.dlc.of_node = of_parse_phandle(
 364                        np, "rockchip,headset-codec", 0);
 365        if (!rk_98090_headset_dev.dlc.of_node) {
 366                dev_err(dev,
 367                        "Property 'rockchip,headset-codec' missing/invalid\n");
 368                return -EINVAL;
 369        }
 370        return 0;
 371}
 372
 373static int snd_rk_mc_probe(struct platform_device *pdev)
 374{
 375        int ret = 0;
 376        struct snd_soc_card *card;
 377        struct device *dev = &pdev->dev;
 378        struct device_node *np = pdev->dev.of_node;
 379        struct device_node *np_cpu;
 380        struct device_node *np_audio, *np_hdmi;
 381
 382        /* Parse DTS for I2S controller. */
 383        np_cpu = of_parse_phandle(np, "rockchip,i2s-controller", 0);
 384
 385        if (!np_cpu) {
 386                dev_err(&pdev->dev,
 387                        "Property 'rockchip,i2s-controller missing or invalid\n");
 388                return -EINVAL;
 389        }
 390
 391        /*
 392         * Find the card to use based on the presences of audio codec
 393         * and hdmi codec in device property. Set their of_node accordingly.
 394         */
 395        np_audio = of_parse_phandle(np, "rockchip,audio-codec", 0);
 396        np_hdmi = of_parse_phandle(np, "rockchip,hdmi-codec", 0);
 397        if (np_audio && np_hdmi) {
 398                card = &rockchip_max98090_hdmi_card;
 399                card->dai_link[DAILINK_MAX98090].codecs->of_node = np_audio;
 400                card->dai_link[DAILINK_HDMI].codecs->of_node = np_hdmi;
 401                card->dai_link[DAILINK_MAX98090].cpus->of_node = np_cpu;
 402                card->dai_link[DAILINK_MAX98090].platforms->of_node = np_cpu;
 403                card->dai_link[DAILINK_HDMI].cpus->of_node = np_cpu;
 404                card->dai_link[DAILINK_HDMI].platforms->of_node = np_cpu;
 405        } else if (np_audio) {
 406                card = &rockchip_max98090_card;
 407                card->dai_link[0].codecs->of_node = np_audio;
 408                card->dai_link[0].cpus->of_node = np_cpu;
 409                card->dai_link[0].platforms->of_node = np_cpu;
 410        } else if (np_hdmi) {
 411                card = &rockchip_hdmi_card;
 412                card->dai_link[0].codecs->of_node = np_hdmi;
 413                card->dai_link[0].cpus->of_node = np_cpu;
 414                card->dai_link[0].platforms->of_node = np_cpu;
 415        } else {
 416                dev_err(dev, "At least one of codecs should be specified\n");
 417                return -EINVAL;
 418        }
 419
 420        card->dev = dev;
 421
 422        /* Parse headset detection codec. */
 423        if (np_audio) {
 424                ret = rk_parse_headset_from_of(dev, np);
 425                if (ret)
 426                        return ret;
 427        }
 428
 429        /* Parse card name. */
 430        ret = snd_soc_of_parse_card_name(card, "rockchip,model");
 431        if (ret) {
 432                dev_err(&pdev->dev,
 433                        "Soc parse card name failed %d\n", ret);
 434                return ret;
 435        }
 436
 437        /* register the soc card */
 438        ret = devm_snd_soc_register_card(&pdev->dev, card);
 439        if (ret) {
 440                dev_err(&pdev->dev,
 441                        "Soc register card failed %d\n", ret);
 442                return ret;
 443        }
 444
 445        return ret;
 446}
 447
 448static const struct of_device_id rockchip_max98090_of_match[] = {
 449        { .compatible = "rockchip,rockchip-audio-max98090", },
 450        {},
 451};
 452
 453MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
 454
 455static struct platform_driver snd_rk_mc_driver = {
 456        .probe = snd_rk_mc_probe,
 457        .driver = {
 458                .name = DRV_NAME,
 459                .pm = &snd_soc_pm_ops,
 460                .of_match_table = rockchip_max98090_of_match,
 461        },
 462};
 463
 464module_platform_driver(snd_rk_mc_driver);
 465
 466MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
 467MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
 468MODULE_LICENSE("GPL v2");
 469MODULE_ALIAS("platform:" DRV_NAME);
 470