linux/sound/soc/amd/acp3x-rt5682-max9836.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2//
   3// Machine driver for AMD ACP Audio engine using DA7219 & MAX98357 codec.
   4//
   5//Copyright 2016 Advanced Micro Devices, Inc.
   6
   7#include <sound/core.h>
   8#include <sound/soc.h>
   9#include <sound/pcm.h>
  10#include <sound/pcm_params.h>
  11#include <sound/soc-dapm.h>
  12#include <sound/jack.h>
  13#include <linux/clk.h>
  14#include <linux/gpio.h>
  15#include <linux/gpio/consumer.h>
  16#include <linux/module.h>
  17#include <linux/i2c.h>
  18#include <linux/input.h>
  19#include <linux/io.h>
  20#include <linux/acpi.h>
  21
  22#include "raven/acp3x.h"
  23#include "../codecs/rt5682.h"
  24#include "../codecs/rt1015.h"
  25
  26#define PCO_PLAT_CLK 48000000
  27#define RT5682_PLL_FREQ (48000 * 512)
  28#define DUAL_CHANNEL            2
  29
  30static struct snd_soc_jack pco_jack;
  31static struct clk *rt5682_dai_wclk;
  32static struct clk *rt5682_dai_bclk;
  33static struct gpio_desc *dmic_sel;
  34void *soc_is_rltk_max(struct device *dev);
  35
  36enum {
  37        RT5682 = 0,
  38        MAX,
  39        EC,
  40};
  41
  42static int acp3x_5682_init(struct snd_soc_pcm_runtime *rtd)
  43{
  44        int ret;
  45        struct snd_soc_card *card = rtd->card;
  46        struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
  47        struct snd_soc_component *component = codec_dai->component;
  48
  49        dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name);
  50
  51        /* set rt5682 dai fmt */
  52        ret =  snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S
  53                        | SND_SOC_DAIFMT_NB_NF
  54                        | SND_SOC_DAIFMT_CBM_CFM);
  55        if (ret < 0) {
  56                dev_err(rtd->card->dev,
  57                                "Failed to set rt5682 dai fmt: %d\n", ret);
  58                return ret;
  59        }
  60
  61        /* set codec PLL */
  62        ret = snd_soc_dai_set_pll(codec_dai, RT5682_PLL2, RT5682_PLL2_S_MCLK,
  63                                  PCO_PLAT_CLK, RT5682_PLL_FREQ);
  64        if (ret < 0) {
  65                dev_err(rtd->dev, "can't set rt5682 PLL: %d\n", ret);
  66                return ret;
  67        }
  68
  69        /* Set codec sysclk */
  70        ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL2,
  71                        RT5682_PLL_FREQ, SND_SOC_CLOCK_IN);
  72        if (ret < 0) {
  73                dev_err(rtd->dev,
  74                        "Failed to set rt5682 SYSCLK: %d\n", ret);
  75                return ret;
  76        }
  77
  78        /* Set tdm/i2s1 master bclk ratio */
  79        ret = snd_soc_dai_set_bclk_ratio(codec_dai, 64);
  80        if (ret < 0) {
  81                dev_err(rtd->dev,
  82                        "Failed to set rt5682 tdm bclk ratio: %d\n", ret);
  83                return ret;
  84        }
  85
  86        rt5682_dai_wclk = clk_get(component->dev, "rt5682-dai-wclk");
  87        rt5682_dai_bclk = clk_get(component->dev, "rt5682-dai-bclk");
  88
  89        ret = snd_soc_card_jack_new(card, "Headset Jack",
  90                                SND_JACK_HEADSET | SND_JACK_LINEOUT |
  91                                SND_JACK_BTN_0 | SND_JACK_BTN_1 |
  92                                SND_JACK_BTN_2 | SND_JACK_BTN_3,
  93                                &pco_jack, NULL, 0);
  94        if (ret) {
  95                dev_err(card->dev, "HP jack creation failed %d\n", ret);
  96                return ret;
  97        }
  98
  99        snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
 100        snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
 101        snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
 102        snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
 103
 104        ret = snd_soc_component_set_jack(component, &pco_jack, NULL);
 105        if (ret) {
 106                dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
 107                return ret;
 108        }
 109
 110        return ret;
 111}
 112
 113static int rt5682_clk_enable(struct snd_pcm_substream *substream)
 114{
 115        int ret = 0;
 116        struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 117
 118        /* RT5682 will support only 48K output with 48M mclk */
 119        clk_set_rate(rt5682_dai_wclk, 48000);
 120        clk_set_rate(rt5682_dai_bclk, 48000 * 64);
 121        ret = clk_prepare_enable(rt5682_dai_wclk);
 122        if (ret < 0) {
 123                dev_err(rtd->dev, "can't enable wclk %d\n", ret);
 124                return ret;
 125        }
 126
 127        return ret;
 128}
 129
 130static int acp3x_1015_hw_params(struct snd_pcm_substream *substream,
 131                                        struct snd_pcm_hw_params *params)
 132{
 133        struct snd_soc_pcm_runtime *rtd = substream->private_data;
 134        struct snd_soc_dai *codec_dai;
 135        int srate, i, ret;
 136
 137        ret = 0;
 138        srate = params_rate(params);
 139
 140        for_each_rtd_codec_dais(rtd, i, codec_dai) {
 141                if (strcmp(codec_dai->name, "rt1015-aif"))
 142                        continue;
 143                ret = snd_soc_dai_set_bclk_ratio(codec_dai, 64);
 144                if (ret < 0)
 145                        return ret;
 146                ret = snd_soc_dai_set_pll(codec_dai, 0, RT1015_PLL_S_BCLK,
 147                                                64 * srate, 256 * srate);
 148                if (ret < 0)
 149                        return ret;
 150                ret = snd_soc_dai_set_sysclk(codec_dai, RT1015_SCLK_S_PLL,
 151                                        256 * srate, SND_SOC_CLOCK_IN);
 152                if (ret < 0)
 153                        return ret;
 154        }
 155        return ret;
 156}
 157
 158static void rt5682_clk_disable(void)
 159{
 160        clk_disable_unprepare(rt5682_dai_wclk);
 161}
 162
 163static const unsigned int channels[] = {
 164        DUAL_CHANNEL,
 165};
 166
 167static const unsigned int rates[] = {
 168        48000,
 169};
 170
 171static const struct snd_pcm_hw_constraint_list constraints_rates = {
 172        .count = ARRAY_SIZE(rates),
 173        .list  = rates,
 174        .mask = 0,
 175};
 176
 177static const struct snd_pcm_hw_constraint_list constraints_channels = {
 178        .count = ARRAY_SIZE(channels),
 179        .list = channels,
 180        .mask = 0,
 181};
 182
 183static int acp3x_5682_startup(struct snd_pcm_substream *substream)
 184{
 185        struct snd_pcm_runtime *runtime = substream->runtime;
 186        struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 187        struct snd_soc_card *card = rtd->card;
 188        struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);
 189
 190        machine->play_i2s_instance = I2S_SP_INSTANCE;
 191        machine->cap_i2s_instance = I2S_SP_INSTANCE;
 192
 193        runtime->hw.channels_max = DUAL_CHANNEL;
 194        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 195                                   &constraints_channels);
 196        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 197                                   &constraints_rates);
 198        return rt5682_clk_enable(substream);
 199}
 200
 201static int acp3x_max_startup(struct snd_pcm_substream *substream)
 202{
 203        struct snd_pcm_runtime *runtime = substream->runtime;
 204        struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 205        struct snd_soc_card *card = rtd->card;
 206        struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);
 207
 208        machine->play_i2s_instance = I2S_BT_INSTANCE;
 209
 210        runtime->hw.channels_max = DUAL_CHANNEL;
 211        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 212                                   &constraints_channels);
 213        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 214                                   &constraints_rates);
 215        return rt5682_clk_enable(substream);
 216}
 217
 218static int acp3x_ec_dmic0_startup(struct snd_pcm_substream *substream)
 219{
 220        struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 221        struct snd_soc_card *card = rtd->card;
 222        struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
 223        struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);
 224
 225        machine->cap_i2s_instance = I2S_BT_INSTANCE;
 226        snd_soc_dai_set_bclk_ratio(codec_dai, 64);
 227
 228        return rt5682_clk_enable(substream);
 229}
 230
 231static int dmic_switch;
 232
 233static int dmic_get(struct snd_kcontrol *kcontrol,
 234                         struct snd_ctl_elem_value *ucontrol)
 235{
 236        ucontrol->value.integer.value[0] = dmic_switch;
 237        return 0;
 238}
 239
 240static int dmic_set(struct snd_kcontrol *kcontrol,
 241                         struct snd_ctl_elem_value *ucontrol)
 242{
 243        if (dmic_sel) {
 244                dmic_switch = ucontrol->value.integer.value[0];
 245                gpiod_set_value(dmic_sel, dmic_switch);
 246        }
 247        return 0;
 248}
 249
 250static void rt5682_shutdown(struct snd_pcm_substream *substream)
 251{
 252        rt5682_clk_disable();
 253}
 254
 255static const struct snd_soc_ops acp3x_5682_ops = {
 256        .startup = acp3x_5682_startup,
 257        .shutdown = rt5682_shutdown,
 258};
 259
 260static const struct snd_soc_ops acp3x_max_play_ops = {
 261        .startup = acp3x_max_startup,
 262        .shutdown = rt5682_shutdown,
 263        .hw_params = acp3x_1015_hw_params,
 264};
 265
 266static const struct snd_soc_ops acp3x_ec_cap0_ops = {
 267        .startup = acp3x_ec_dmic0_startup,
 268        .shutdown = rt5682_shutdown,
 269};
 270
 271SND_SOC_DAILINK_DEF(acp3x_i2s,
 272        DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.0")));
 273SND_SOC_DAILINK_DEF(acp3x_bt,
 274        DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.2")));
 275
 276SND_SOC_DAILINK_DEF(rt5682,
 277        DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5682:00", "rt5682-aif1")));
 278SND_SOC_DAILINK_DEF(max,
 279        DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", "HiFi")));
 280SND_SOC_DAILINK_DEF(rt1015,
 281        DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC1015:00", "rt1015-aif"),
 282                        COMP_CODEC("i2c-10EC1015:01", "rt1015-aif")));
 283SND_SOC_DAILINK_DEF(cros_ec,
 284        DAILINK_COMP_ARRAY(COMP_CODEC("GOOG0013:00", "EC Codec I2S RX")));
 285
 286SND_SOC_DAILINK_DEF(platform,
 287        DAILINK_COMP_ARRAY(COMP_PLATFORM("acp3x_rv_i2s_dma.0")));
 288
 289static struct snd_soc_codec_conf rt1015_conf[] = {
 290        {
 291                .dlc = COMP_CODEC_CONF("i2c-10EC1015:00"),
 292                .name_prefix = "Left",
 293        },
 294        {
 295                .dlc = COMP_CODEC_CONF("i2c-10EC1015:01"),
 296                .name_prefix = "Right",
 297        },
 298};
 299
 300static struct snd_soc_dai_link acp3x_dai[] = {
 301        [RT5682] = {
 302                .name = "acp3x-5682-play",
 303                .stream_name = "Playback",
 304                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 305                                | SND_SOC_DAIFMT_CBM_CFM,
 306                .init = acp3x_5682_init,
 307                .dpcm_playback = 1,
 308                .dpcm_capture = 1,
 309                .ops = &acp3x_5682_ops,
 310                SND_SOC_DAILINK_REG(acp3x_i2s, rt5682, platform),
 311        },
 312        [MAX] = {
 313                .name = "acp3x-max98357-play",
 314                .stream_name = "HiFi Playback",
 315                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 316                                | SND_SOC_DAIFMT_CBS_CFS,
 317                .dpcm_playback = 1,
 318                .ops = &acp3x_max_play_ops,
 319                .cpus = acp3x_bt,
 320                .num_cpus = ARRAY_SIZE(acp3x_bt),
 321                .platforms = platform,
 322                .num_platforms = ARRAY_SIZE(platform),
 323        },
 324        [EC] = {
 325                .name = "acp3x-ec-dmic0-capture",
 326                .stream_name = "Capture DMIC0",
 327                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 328                                | SND_SOC_DAIFMT_CBS_CFS,
 329                .dpcm_capture = 1,
 330                .ops = &acp3x_ec_cap0_ops,
 331                SND_SOC_DAILINK_REG(acp3x_bt, cros_ec, platform),
 332        },
 333};
 334
 335static const char * const dmic_mux_text[] = {
 336        "Front Mic",
 337        "Rear Mic",
 338};
 339
 340static SOC_ENUM_SINGLE_DECL(
 341                acp3x_dmic_enum, SND_SOC_NOPM, 0, dmic_mux_text);
 342
 343static const struct snd_kcontrol_new acp3x_dmic_mux_control =
 344        SOC_DAPM_ENUM_EXT("DMIC Select Mux", acp3x_dmic_enum,
 345                          dmic_get, dmic_set);
 346
 347static const struct snd_soc_dapm_widget acp3x_5682_widgets[] = {
 348        SND_SOC_DAPM_HP("Headphone Jack", NULL),
 349        SND_SOC_DAPM_SPK("Spk", NULL),
 350        SND_SOC_DAPM_MIC("Headset Mic", NULL),
 351        SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
 352                         &acp3x_dmic_mux_control),
 353};
 354
 355static const struct snd_soc_dapm_route acp3x_5682_audio_route[] = {
 356        {"Headphone Jack", NULL, "HPOL"},
 357        {"Headphone Jack", NULL, "HPOR"},
 358        {"IN1P", NULL, "Headset Mic"},
 359        {"Spk", NULL, "Speaker"},
 360        {"Dmic Mux", "Front Mic", "DMIC"},
 361        {"Dmic Mux", "Rear Mic", "DMIC"},
 362};
 363
 364static const struct snd_kcontrol_new acp3x_5682_mc_controls[] = {
 365        SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 366        SOC_DAPM_PIN_SWITCH("Spk"),
 367        SOC_DAPM_PIN_SWITCH("Headset Mic"),
 368};
 369
 370static struct snd_soc_card acp3x_5682 = {
 371        .name = "acp3xalc5682m98357",
 372        .owner = THIS_MODULE,
 373        .dai_link = acp3x_dai,
 374        .num_links = ARRAY_SIZE(acp3x_dai),
 375        .dapm_widgets = acp3x_5682_widgets,
 376        .num_dapm_widgets = ARRAY_SIZE(acp3x_5682_widgets),
 377        .dapm_routes = acp3x_5682_audio_route,
 378        .num_dapm_routes = ARRAY_SIZE(acp3x_5682_audio_route),
 379        .controls = acp3x_5682_mc_controls,
 380        .num_controls = ARRAY_SIZE(acp3x_5682_mc_controls),
 381};
 382
 383static const struct snd_soc_dapm_widget acp3x_1015_widgets[] = {
 384        SND_SOC_DAPM_HP("Headphone Jack", NULL),
 385        SND_SOC_DAPM_MIC("Headset Mic", NULL),
 386        SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
 387                         &acp3x_dmic_mux_control),
 388        SND_SOC_DAPM_SPK("Left Spk", NULL),
 389        SND_SOC_DAPM_SPK("Right Spk", NULL),
 390};
 391
 392static const struct snd_soc_dapm_route acp3x_1015_route[] = {
 393        {"Headphone Jack", NULL, "HPOL"},
 394        {"Headphone Jack", NULL, "HPOR"},
 395        {"IN1P", NULL, "Headset Mic"},
 396        {"Dmic Mux", "Front Mic", "DMIC"},
 397        {"Dmic Mux", "Rear Mic", "DMIC"},
 398        {"Left Spk", NULL, "Left SPO"},
 399        {"Right Spk", NULL, "Right SPO"},
 400};
 401
 402static const struct snd_kcontrol_new acp3x_mc_1015_controls[] = {
 403        SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 404        SOC_DAPM_PIN_SWITCH("Headset Mic"),
 405        SOC_DAPM_PIN_SWITCH("Left Spk"),
 406        SOC_DAPM_PIN_SWITCH("Right Spk"),
 407};
 408
 409static struct snd_soc_card acp3x_1015 = {
 410        .name = "acp3xalc56821015",
 411        .owner = THIS_MODULE,
 412        .dai_link = acp3x_dai,
 413        .num_links = ARRAY_SIZE(acp3x_dai),
 414        .dapm_widgets = acp3x_1015_widgets,
 415        .num_dapm_widgets = ARRAY_SIZE(acp3x_1015_widgets),
 416        .dapm_routes = acp3x_1015_route,
 417        .num_dapm_routes = ARRAY_SIZE(acp3x_1015_route),
 418        .codec_conf = rt1015_conf,
 419        .num_configs = ARRAY_SIZE(rt1015_conf),
 420        .controls = acp3x_mc_1015_controls,
 421        .num_controls = ARRAY_SIZE(acp3x_mc_1015_controls),
 422};
 423
 424void *soc_is_rltk_max(struct device *dev)
 425{
 426        const struct acpi_device_id *match;
 427
 428        match = acpi_match_device(dev->driver->acpi_match_table, dev);
 429        if (!match)
 430                return NULL;
 431        return (void *)match->driver_data;
 432}
 433
 434static void card_spk_dai_link_present(struct snd_soc_dai_link *links,
 435                                                const char *card_name)
 436{
 437        if (!strcmp(card_name, "acp3xalc56821015")) {
 438                links[1].codecs = rt1015;
 439                links[1].num_codecs = ARRAY_SIZE(rt1015);
 440        } else {
 441                links[1].codecs = max;
 442                links[1].num_codecs = ARRAY_SIZE(max);
 443        }
 444}
 445
 446static int acp3x_probe(struct platform_device *pdev)
 447{
 448        int ret;
 449        struct snd_soc_card *card;
 450        struct acp3x_platform_info *machine;
 451        struct device *dev = &pdev->dev;
 452
 453        card = (struct snd_soc_card *)soc_is_rltk_max(dev);
 454        if (!card)
 455                return -ENODEV;
 456
 457        machine = devm_kzalloc(&pdev->dev, sizeof(*machine), GFP_KERNEL);
 458        if (!machine)
 459                return -ENOMEM;
 460
 461        card_spk_dai_link_present(card->dai_link, card->name);
 462        card->dev = &pdev->dev;
 463        platform_set_drvdata(pdev, card);
 464        snd_soc_card_set_drvdata(card, machine);
 465
 466        dmic_sel = devm_gpiod_get(&pdev->dev, "dmic", GPIOD_OUT_LOW);
 467        if (IS_ERR(dmic_sel)) {
 468                dev_err(&pdev->dev, "DMIC gpio failed err=%ld\n",
 469                        PTR_ERR(dmic_sel));
 470                return PTR_ERR(dmic_sel);
 471        }
 472
 473        ret = devm_snd_soc_register_card(&pdev->dev, card);
 474        if (ret) {
 475                if (ret != -EPROBE_DEFER)
 476                        dev_err(&pdev->dev,
 477                                "devm_snd_soc_register_card(%s) failed: %d\n",
 478                                card->name, ret);
 479                else
 480                        dev_dbg(&pdev->dev,
 481                                "devm_snd_soc_register_card(%s) probe deferred: %d\n",
 482                                card->name, ret);
 483        }
 484
 485        return ret;
 486}
 487
 488static const struct acpi_device_id acp3x_audio_acpi_match[] = {
 489        { "AMDI5682", (unsigned long)&acp3x_5682},
 490        { "AMDI1015", (unsigned long)&acp3x_1015},
 491        {},
 492};
 493MODULE_DEVICE_TABLE(acpi, acp3x_audio_acpi_match);
 494
 495static struct platform_driver acp3x_audio = {
 496        .driver = {
 497                .name = "acp3x-alc5682-max98357",
 498                .acpi_match_table = ACPI_PTR(acp3x_audio_acpi_match),
 499                .pm = &snd_soc_pm_ops,
 500        },
 501        .probe = acp3x_probe,
 502};
 503
 504module_platform_driver(acp3x_audio);
 505
 506MODULE_AUTHOR("akshu.agrawal@amd.com");
 507MODULE_AUTHOR("Vishnuvardhanrao.Ravulapati@amd.com");
 508MODULE_DESCRIPTION("ALC5682 ALC1015 & MAX98357 audio support");
 509MODULE_LICENSE("GPL v2");
 510