sound/soc/amd/acp3x-rt5682-max9836.c

   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
  30 static struct snd_soc_jack pco_jack;
  31 static struct clk *rt5682_dai_wclk;
  32 static struct clk *rt5682_dai_bclk;
  33 static struct gpio_desc *dmic_sel;
  34 void *soc_is_rltk_max(struct device *dev);
  35
  36 enum {
  37         RT5682 = 0,
  38         MAX,
  39         EC,
  40 };
  41
  42 static 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
 113 static 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
 130 static 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
 158 static void rt5682_clk_disable(void)
 159 {
 160         clk_disable_unprepare(rt5682_dai_wclk);
 161 }
 162
 163 static const unsigned int channels[] = {
 164         DUAL_CHANNEL,
 165 };
 166
 167 static const unsigned int rates[] = {
 168         48000,
 169 };
 170
 171 static const struct snd_pcm_hw_constraint_list constraints_rates = {
 172         .count = ARRAY_SIZE(rates),
 173         .list  = rates,
 174         .mask = 0,
 175 };
 176
 177 static const struct snd_pcm_hw_constraint_list constraints_channels = {
 178         .count = ARRAY_SIZE(channels),
 179         .list = channels,
 180         .mask = 0,
 181 };
 182
 183 static 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
 201 static 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
 218 static 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
 231 static int dmic_switch;
 232
 233 static 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
 240 static 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
 250 static void rt5682_shutdown(struct snd_pcm_substream *substream)
 251 {
 252         rt5682_clk_disable();
 253 }
 254
 255 static const struct snd_soc_ops acp3x_5682_ops = {
 256         .startup = acp3x_5682_startup,
 257         .shutdown = rt5682_shutdown,
 258 };
 259
 260 static 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
 266 static const struct snd_soc_ops acp3x_ec_cap0_ops = {
 267         .startup = acp3x_ec_dmic0_startup,
 268         .shutdown = rt5682_shutdown,
 269 };
 270
 271 SND_SOC_DAILINK_DEF(acp3x_i2s,
 272         DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.0")));
 273 SND_SOC_DAILINK_DEF(acp3x_bt,
 274         DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.2")));
 275
 276 SND_SOC_DAILINK_DEF(rt5682,
 277         DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5682:00", "rt5682-aif1")));
 278 SND_SOC_DAILINK_DEF(max,
 279         DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", "HiFi")));
 280 SND_SOC_DAILINK_DEF(rt1015,
 281         DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC1015:00", "rt1015-aif"),
 282                         COMP_CODEC("i2c-10EC1015:01", "rt1015-aif")));
 283 SND_SOC_DAILINK_DEF(cros_ec,
 284         DAILINK_COMP_ARRAY(COMP_CODEC("GOOG0013:00", "EC Codec I2S RX")));
 285
 286 SND_SOC_DAILINK_DEF(platform,
 287         DAILINK_COMP_ARRAY(COMP_PLATFORM("acp3x_rv_i2s_dma.0")));
 288
 289 static 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
 300 static 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
 335 static const char * const dmic_mux_text[] = {
 336         "Front Mic",
 337         "Rear Mic",
 338 };
 339
 340 static SOC_ENUM_SINGLE_DECL(
 341                 acp3x_dmic_enum, SND_SOC_NOPM, 0, dmic_mux_text);
 342
 343 static 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
 347 static 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
 355 static 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
 364 static 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
 370 static 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
 383 static 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
 392 static 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
 402 static 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
 409 static 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
 424 void *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
 434 static 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
 446 static 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
 488 static const struct acpi_device_id acp3x_audio_acpi_match[] = {
 489         { "AMDI5682", (unsigned long)&acp3x_5682},
 490         { "AMDI1015", (unsigned long)&acp3x_1015},
 491         {},
 492 };
 493 MODULE_DEVICE_TABLE(acpi, acp3x_audio_acpi_match);
 494
 495 static 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
 504 module_platform_driver(acp3x_audio);
 505
 506 MODULE_AUTHOR("akshu.agrawal@amd.com");
 507 MODULE_AUTHOR("Vishnuvardhanrao.Ravulapati@amd.com");
 508 MODULE_DESCRIPTION("ALC5682 ALC1015 & MAX98357 audio support");
 509 MODULE_LICENSE("GPL v2");