sound/soc/amd/acp-da7219-max98357a.c

   1 /*
   2  * Machine driver for AMD ACP Audio engine using DA7219 & MAX98357 codec
   3  *
   4  * Copyright 2017 Advanced Micro Devices, Inc.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  */
  25
  26 #include <sound/core.h>
  27 #include <sound/soc.h>
  28 #include <sound/pcm.h>
  29 #include <sound/pcm_params.h>
  30 #include <sound/soc-dapm.h>
  31 #include <sound/jack.h>
  32 #include <linux/clk.h>
  33 #include <linux/gpio.h>
  34 #include <linux/module.h>
  35 #include <linux/regulator/machine.h>
  36 #include <linux/regulator/driver.h>
  37 #include <linux/i2c.h>
  38 #include <linux/input.h>
  39 #include <linux/acpi.h>
  40
  41 #include "acp.h"
  42 #include "../codecs/da7219.h"
  43 #include "../codecs/da7219-aad.h"
  44
  45 #define CZ_PLAT_CLK 48000000
  46 #define DUAL_CHANNEL            2
  47
  48 static struct snd_soc_jack cz_jack;
  49 static struct clk *da7219_dai_clk;
  50 extern int bt_uart_enable;
  51
  52 static int cz_da7219_init(struct snd_soc_pcm_runtime *rtd)
  53 {
  54         int ret;
  55         struct snd_soc_card *card = rtd->card;
  56         struct snd_soc_dai *codec_dai = rtd->codec_dai;
  57         struct snd_soc_component *component = codec_dai->component;
  58
  59         dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name);
  60
  61         ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK,
  62                                      CZ_PLAT_CLK, SND_SOC_CLOCK_IN);
  63         if (ret < 0) {
  64                 dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
  65                 return ret;
  66         }
  67
  68         ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL,
  69                                   CZ_PLAT_CLK, DA7219_PLL_FREQ_OUT_98304);
  70         if (ret < 0) {
  71                 dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
  72                 return ret;
  73         }
  74
  75         da7219_dai_clk = clk_get(component->dev, "da7219-dai-clks");
  76
  77         ret = snd_soc_card_jack_new(card, "Headset Jack",
  78                                 SND_JACK_HEADSET | SND_JACK_LINEOUT |
  79                                 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
  80                                 SND_JACK_BTN_2 | SND_JACK_BTN_3,
  81                                 &cz_jack, NULL, 0);
  82         if (ret) {
  83                 dev_err(card->dev, "HP jack creation failed %d\n", ret);
  84                 return ret;
  85         }
  86
  87         snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
  88         snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
  89         snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
  90         snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
  91
  92         da7219_aad_jack_det(component, &cz_jack);
  93
  94         return 0;
  95 }
  96
  97 static int da7219_clk_enable(struct snd_pcm_substream *substream)
  98 {
  99         int ret = 0;
 100         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 101
 102         ret = clk_prepare_enable(da7219_dai_clk);
 103         if (ret < 0) {
 104                 dev_err(rtd->dev, "can't enable master clock %d\n", ret);
 105                 return ret;
 106         }
 107
 108         return ret;
 109 }
 110
 111 static void da7219_clk_disable(void)
 112 {
 113         clk_disable_unprepare(da7219_dai_clk);
 114 }
 115
 116 static const unsigned int channels[] = {
 117         DUAL_CHANNEL,
 118 };
 119
 120 static const unsigned int rates[] = {
 121         48000,
 122 };
 123
 124 static const struct snd_pcm_hw_constraint_list constraints_rates = {
 125         .count = ARRAY_SIZE(rates),
 126         .list  = rates,
 127         .mask = 0,
 128 };
 129
 130 static const struct snd_pcm_hw_constraint_list constraints_channels = {
 131         .count = ARRAY_SIZE(channels),
 132         .list = channels,
 133         .mask = 0,
 134 };
 135
 136 static int cz_da7219_play_startup(struct snd_pcm_substream *substream)
 137 {
 138         struct snd_pcm_runtime *runtime = substream->runtime;
 139         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 140         struct snd_soc_card *card = rtd->card;
 141         struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
 142
 143         /*
 144          * On this platform for PCM device we support stereo
 145          */
 146
 147         runtime->hw.channels_max = DUAL_CHANNEL;
 148         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 149                                    &constraints_channels);
 150         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 151                                    &constraints_rates);
 152
 153         machine->play_i2s_instance = I2S_SP_INSTANCE;
 154         return da7219_clk_enable(substream);
 155 }
 156
 157 static int cz_da7219_cap_startup(struct snd_pcm_substream *substream)
 158 {
 159         struct snd_pcm_runtime *runtime = substream->runtime;
 160         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 161         struct snd_soc_card *card = rtd->card;
 162         struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
 163
 164         /*
 165          * On this platform for PCM device we support stereo
 166          */
 167
 168         runtime->hw.channels_max = DUAL_CHANNEL;
 169         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 170                                    &constraints_channels);
 171         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 172                                    &constraints_rates);
 173
 174         machine->cap_i2s_instance = I2S_SP_INSTANCE;
 175         machine->capture_channel = CAP_CHANNEL1;
 176         return da7219_clk_enable(substream);
 177 }
 178
 179 static void cz_da7219_shutdown(struct snd_pcm_substream *substream)
 180 {
 181         da7219_clk_disable();
 182 }
 183
 184 static int cz_max_startup(struct snd_pcm_substream *substream)
 185 {
 186         struct snd_pcm_runtime *runtime = substream->runtime;
 187         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 188         struct snd_soc_card *card = rtd->card;
 189         struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
 190
 191         /*
 192          * On this platform for PCM device we support stereo
 193          */
 194
 195         runtime->hw.channels_max = DUAL_CHANNEL;
 196         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 197                                    &constraints_channels);
 198         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 199                                    &constraints_rates);
 200
 201         machine->play_i2s_instance = I2S_BT_INSTANCE;
 202         return da7219_clk_enable(substream);
 203 }
 204
 205 static void cz_max_shutdown(struct snd_pcm_substream *substream)
 206 {
 207         da7219_clk_disable();
 208 }
 209
 210 static int cz_dmic0_startup(struct snd_pcm_substream *substream)
 211 {
 212         struct snd_pcm_runtime *runtime = substream->runtime;
 213         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 214         struct snd_soc_card *card = rtd->card;
 215         struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
 216
 217         /*
 218          * On this platform for PCM device we support stereo
 219          */
 220
 221         runtime->hw.channels_max = DUAL_CHANNEL;
 222         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 223                                    &constraints_channels);
 224         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 225                                    &constraints_rates);
 226
 227         machine->cap_i2s_instance = I2S_BT_INSTANCE;
 228         return da7219_clk_enable(substream);
 229 }
 230
 231 static int cz_dmic1_startup(struct snd_pcm_substream *substream)
 232 {
 233         struct snd_pcm_runtime *runtime = substream->runtime;
 234         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 235         struct snd_soc_card *card = rtd->card;
 236         struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
 237
 238         /*
 239          * On this platform for PCM device we support stereo
 240          */
 241
 242         runtime->hw.channels_max = DUAL_CHANNEL;
 243         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 244                                    &constraints_channels);
 245         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 246                                    &constraints_rates);
 247
 248         machine->cap_i2s_instance = I2S_SP_INSTANCE;
 249         machine->capture_channel = CAP_CHANNEL0;
 250         return da7219_clk_enable(substream);
 251 }
 252
 253 static void cz_dmic_shutdown(struct snd_pcm_substream *substream)
 254 {
 255         da7219_clk_disable();
 256 }
 257
 258 static const struct snd_soc_ops cz_da7219_play_ops = {
 259         .startup = cz_da7219_play_startup,
 260         .shutdown = cz_da7219_shutdown,
 261 };
 262
 263 static const struct snd_soc_ops cz_da7219_cap_ops = {
 264         .startup = cz_da7219_cap_startup,
 265         .shutdown = cz_da7219_shutdown,
 266 };
 267
 268 static const struct snd_soc_ops cz_max_play_ops = {
 269         .startup = cz_max_startup,
 270         .shutdown = cz_max_shutdown,
 271 };
 272
 273 static const struct snd_soc_ops cz_dmic0_cap_ops = {
 274         .startup = cz_dmic0_startup,
 275         .shutdown = cz_dmic_shutdown,
 276 };
 277
 278 static const struct snd_soc_ops cz_dmic1_cap_ops = {
 279         .startup = cz_dmic1_startup,
 280         .shutdown = cz_dmic_shutdown,
 281 };
 282
 283 static struct snd_soc_dai_link cz_dai_7219_98357[] = {
 284         {
 285                 .name = "amd-da7219-play",
 286                 .stream_name = "Playback",
 287                 .platform_name = "acp_audio_dma.0.auto",
 288                 .cpu_dai_name = "designware-i2s.1.auto",
 289                 .codec_dai_name = "da7219-hifi",
 290                 .codec_name = "i2c-DLGS7219:00",
 291                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 292                                 | SND_SOC_DAIFMT_CBM_CFM,
 293                 .init = cz_da7219_init,
 294                 .dpcm_playback = 1,
 295                 .ops = &cz_da7219_play_ops,
 296         },
 297         {
 298                 .name = "amd-da7219-cap",
 299                 .stream_name = "Capture",
 300                 .platform_name = "acp_audio_dma.0.auto",
 301                 .cpu_dai_name = "designware-i2s.2.auto",
 302                 .codec_dai_name = "da7219-hifi",
 303                 .codec_name = "i2c-DLGS7219:00",
 304                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 305                                 | SND_SOC_DAIFMT_CBM_CFM,
 306                 .dpcm_capture = 1,
 307                 .ops = &cz_da7219_cap_ops,
 308         },
 309         {
 310                 .name = "amd-max98357-play",
 311                 .stream_name = "HiFi Playback",
 312                 .platform_name = "acp_audio_dma.0.auto",
 313                 .cpu_dai_name = "designware-i2s.3.auto",
 314                 .codec_dai_name = "HiFi",
 315                 .codec_name = "MX98357A:00",
 316                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 317                                 | SND_SOC_DAIFMT_CBM_CFM,
 318                 .dpcm_playback = 1,
 319                 .ops = &cz_max_play_ops,
 320         },
 321         {
 322                 /* C panel DMIC */
 323                 .name = "dmic0",
 324                 .stream_name = "DMIC0 Capture",
 325                 .platform_name = "acp_audio_dma.0.auto",
 326                 .cpu_dai_name = "designware-i2s.3.auto",
 327                 .codec_dai_name = "adau7002-hifi",
 328                 .codec_name = "ADAU7002:00",
 329                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 330                                 | SND_SOC_DAIFMT_CBM_CFM,
 331                 .dpcm_capture = 1,
 332                 .ops = &cz_dmic0_cap_ops,
 333         },
 334         {
 335                 /* A/B panel DMIC */
 336                 .name = "dmic1",
 337                 .stream_name = "DMIC1 Capture",
 338                 .platform_name = "acp_audio_dma.0.auto",
 339                 .cpu_dai_name = "designware-i2s.2.auto",
 340                 .codec_dai_name = "adau7002-hifi",
 341                 .codec_name = "ADAU7002:00",
 342                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 343                                 | SND_SOC_DAIFMT_CBM_CFM,
 344                 .dpcm_capture = 1,
 345                 .ops = &cz_dmic1_cap_ops,
 346         },
 347 };
 348
 349 static const struct snd_soc_dapm_widget cz_widgets[] = {
 350         SND_SOC_DAPM_HP("Headphones", NULL),
 351         SND_SOC_DAPM_SPK("Speakers", NULL),
 352         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 353         SND_SOC_DAPM_MIC("Int Mic", NULL),
 354 };
 355
 356 static const struct snd_soc_dapm_route cz_audio_route[] = {
 357         {"Headphones", NULL, "HPL"},
 358         {"Headphones", NULL, "HPR"},
 359         {"MIC", NULL, "Headset Mic"},
 360         {"Speakers", NULL, "Speaker"},
 361         {"PDM_DAT", NULL, "Int Mic"},
 362 };
 363
 364 static const struct snd_kcontrol_new cz_mc_controls[] = {
 365         SOC_DAPM_PIN_SWITCH("Headphones"),
 366         SOC_DAPM_PIN_SWITCH("Speakers"),
 367         SOC_DAPM_PIN_SWITCH("Headset Mic"),
 368         SOC_DAPM_PIN_SWITCH("Int Mic"),
 369 };
 370
 371 static struct snd_soc_card cz_card = {
 372         .name = "acpd7219m98357",
 373         .owner = THIS_MODULE,
 374         .dai_link = cz_dai_7219_98357,
 375         .num_links = ARRAY_SIZE(cz_dai_7219_98357),
 376         .dapm_widgets = cz_widgets,
 377         .num_dapm_widgets = ARRAY_SIZE(cz_widgets),
 378         .dapm_routes = cz_audio_route,
 379         .num_dapm_routes = ARRAY_SIZE(cz_audio_route),
 380         .controls = cz_mc_controls,
 381         .num_controls = ARRAY_SIZE(cz_mc_controls),
 382 };
 383
 384 static struct regulator_consumer_supply acp_da7219_supplies[] = {
 385         REGULATOR_SUPPLY("VDD", "i2c-DLGS7219:00"),
 386         REGULATOR_SUPPLY("VDDMIC", "i2c-DLGS7219:00"),
 387         REGULATOR_SUPPLY("VDDIO", "i2c-DLGS7219:00"),
 388         REGULATOR_SUPPLY("IOVDD", "ADAU7002:00"),
 389 };
 390
 391 static struct regulator_init_data acp_da7219_data = {
 392         .constraints = {
 393                 .always_on = 1,
 394         },
 395         .num_consumer_supplies = ARRAY_SIZE(acp_da7219_supplies),
 396         .consumer_supplies = acp_da7219_supplies,
 397 };
 398
 399 static struct regulator_config acp_da7219_cfg = {
 400         .init_data = &acp_da7219_data,
 401 };
 402
 403 static struct regulator_ops acp_da7219_ops = {
 404 };
 405
 406 static struct regulator_desc acp_da7219_desc = {
 407         .name = "reg-fixed-1.8V",
 408         .type = REGULATOR_VOLTAGE,
 409         .owner = THIS_MODULE,
 410         .ops = &acp_da7219_ops,
 411         .fixed_uV = 1800000, /* 1.8V */
 412         .n_voltages = 1,
 413 };
 414
 415 static int cz_probe(struct platform_device *pdev)
 416 {
 417         int ret;
 418         struct snd_soc_card *card;
 419         struct acp_platform_info *machine;
 420         struct regulator_dev *rdev;
 421
 422         acp_da7219_cfg.dev = &pdev->dev;
 423         rdev = devm_regulator_register(&pdev->dev, &acp_da7219_desc,
 424                                        &acp_da7219_cfg);
 425         if (IS_ERR(rdev)) {
 426                 dev_err(&pdev->dev, "Failed to register regulator: %d\n",
 427                         (int)PTR_ERR(rdev));
 428                 return -EINVAL;
 429         }
 430
 431         machine = devm_kzalloc(&pdev->dev, sizeof(struct acp_platform_info),
 432                                GFP_KERNEL);
 433         if (!machine)
 434                 return -ENOMEM;
 435         card = &cz_card;
 436         cz_card.dev = &pdev->dev;
 437         platform_set_drvdata(pdev, card);
 438         snd_soc_card_set_drvdata(card, machine);
 439         ret = devm_snd_soc_register_card(&pdev->dev, &cz_card);
 440         if (ret) {
 441                 dev_err(&pdev->dev,
 442                                 "devm_snd_soc_register_card(%s) failed: %d\n",
 443                                 cz_card.name, ret);
 444                 return ret;
 445         }
 446         bt_uart_enable = !device_property_read_bool(&pdev->dev,
 447                                                     "bt-pad-enable");
 448         return 0;
 449 }
 450
 451 static const struct acpi_device_id cz_audio_acpi_match[] = {
 452         { "AMD7219", 0 },
 453         {},
 454 };
 455 MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match);
 456
 457 static struct platform_driver cz_pcm_driver = {
 458         .driver = {
 459                 .name = "cz-da7219-max98357a",
 460                 .acpi_match_table = ACPI_PTR(cz_audio_acpi_match),
 461                 .pm = &snd_soc_pm_ops,
 462         },
 463         .probe = cz_probe,
 464 };
 465
 466 module_platform_driver(cz_pcm_driver);
 467
 468 MODULE_AUTHOR("akshu.agrawal@amd.com");
 469 MODULE_DESCRIPTION("DA7219 & MAX98357A audio support");
 470 MODULE_LICENSE("GPL v2");