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; 143 144 ret = snd_soc_dai_set_pll(codec_dai, 0, RT1015_PLL_S_BCLK, 145 64 * srate, 256 * srate); 146 if (ret < 0) 147 return ret; 148 ret = snd_soc_dai_set_sysclk(codec_dai, RT1015_SCLK_S_PLL, 149 256 * srate, SND_SOC_CLOCK_IN); 150 if (ret < 0) 151 return ret; 152 } 153 return ret; 154 } 155 156 static void rt5682_clk_disable(void) 157 { 158 clk_disable_unprepare(rt5682_dai_wclk); 159 } 160 161 static const unsigned int channels[] = { 162 DUAL_CHANNEL, 163 }; 164 165 static const unsigned int rates[] = { 166 48000, 167 }; 168 169 static const struct snd_pcm_hw_constraint_list constraints_rates = { 170 .count = ARRAY_SIZE(rates), 171 .list = rates, 172 .mask = 0, 173 }; 174 175 static const struct snd_pcm_hw_constraint_list constraints_channels = { 176 .count = ARRAY_SIZE(channels), 177 .list = channels, 178 .mask = 0, 179 }; 180 181 static int acp3x_5682_startup(struct snd_pcm_substream *substream) 182 { 183 struct snd_pcm_runtime *runtime = substream->runtime; 184 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 185 struct snd_soc_card *card = rtd->card; 186 struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card); 187 188 machine->play_i2s_instance = I2S_SP_INSTANCE; 189 machine->cap_i2s_instance = I2S_SP_INSTANCE; 190 191 runtime->hw.channels_max = DUAL_CHANNEL; 192 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 193 &constraints_channels); 194 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 195 &constraints_rates); 196 return rt5682_clk_enable(substream); 197 } 198 199 static int acp3x_max_startup(struct snd_pcm_substream *substream) 200 { 201 struct snd_pcm_runtime *runtime = substream->runtime; 202 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 203 struct snd_soc_card *card = rtd->card; 204 struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card); 205 206 machine->play_i2s_instance = I2S_BT_INSTANCE; 207 208 runtime->hw.channels_max = DUAL_CHANNEL; 209 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 210 &constraints_channels); 211 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 212 &constraints_rates); 213 return rt5682_clk_enable(substream); 214 } 215 216 static int acp3x_ec_dmic0_startup(struct snd_pcm_substream *substream) 217 { 218 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 219 struct snd_soc_card *card = rtd->card; 220 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 221 struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card); 222 223 machine->cap_i2s_instance = I2S_BT_INSTANCE; 224 snd_soc_dai_set_bclk_ratio(codec_dai, 64); 225 226 return rt5682_clk_enable(substream); 227 } 228 229 static int dmic_switch; 230 231 static int dmic_get(struct snd_kcontrol *kcontrol, 232 struct snd_ctl_elem_value *ucontrol) 233 { 234 ucontrol->value.integer.value[0] = dmic_switch; 235 return 0; 236 } 237 238 static int dmic_set(struct snd_kcontrol *kcontrol, 239 struct snd_ctl_elem_value *ucontrol) 240 { 241 if (dmic_sel) { 242 dmic_switch = ucontrol->value.integer.value[0]; 243 gpiod_set_value(dmic_sel, dmic_switch); 244 } 245 return 0; 246 } 247 248 static void rt5682_shutdown(struct snd_pcm_substream *substream) 249 { 250 rt5682_clk_disable(); 251 } 252 253 static const struct snd_soc_ops acp3x_5682_ops = { 254 .startup = acp3x_5682_startup, 255 .shutdown = rt5682_shutdown, 256 }; 257 258 static const struct snd_soc_ops acp3x_max_play_ops = { 259 .startup = acp3x_max_startup, 260 .shutdown = rt5682_shutdown, 261 .hw_params = acp3x_1015_hw_params, 262 }; 263 264 static const struct snd_soc_ops acp3x_ec_cap0_ops = { 265 .startup = acp3x_ec_dmic0_startup, 266 .shutdown = rt5682_shutdown, 267 }; 268 269 SND_SOC_DAILINK_DEF(acp3x_i2s, 270 DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.0"))); 271 SND_SOC_DAILINK_DEF(acp3x_bt, 272 DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.2"))); 273 274 SND_SOC_DAILINK_DEF(rt5682, 275 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5682:00", "rt5682-aif1"))); 276 SND_SOC_DAILINK_DEF(max, 277 DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", "HiFi"))); 278 SND_SOC_DAILINK_DEF(rt1015, 279 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC1015:00", "rt1015-aif"), 280 COMP_CODEC("i2c-10EC1015:01", "rt1015-aif"))); 281 SND_SOC_DAILINK_DEF(cros_ec, 282 DAILINK_COMP_ARRAY(COMP_CODEC("GOOG0013:00", "EC Codec I2S RX"))); 283 284 SND_SOC_DAILINK_DEF(platform, 285 DAILINK_COMP_ARRAY(COMP_PLATFORM("acp3x_rv_i2s_dma.0"))); 286 287 static struct snd_soc_codec_conf rt1015_conf[] = { 288 { 289 .dlc = COMP_CODEC_CONF("i2c-10EC1015:00"), 290 .name_prefix = "Left", 291 }, 292 { 293 .dlc = COMP_CODEC_CONF("i2c-10EC1015:01"), 294 .name_prefix = "Right", 295 }, 296 }; 297 298 static struct snd_soc_dai_link acp3x_dai[] = { 299 [RT5682] = { 300 .name = "acp3x-5682-play", 301 .stream_name = "Playback", 302 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 303 | SND_SOC_DAIFMT_CBM_CFM, 304 .init = acp3x_5682_init, 305 .dpcm_playback = 1, 306 .dpcm_capture = 1, 307 .ops = &acp3x_5682_ops, 308 SND_SOC_DAILINK_REG(acp3x_i2s, rt5682, platform), 309 }, 310 [MAX] = { 311 .name = "acp3x-max98357-play", 312 .stream_name = "HiFi Playback", 313 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 314 | SND_SOC_DAIFMT_CBS_CFS, 315 .dpcm_playback = 1, 316 .ops = &acp3x_max_play_ops, 317 .cpus = acp3x_bt, 318 .num_cpus = ARRAY_SIZE(acp3x_bt), 319 .platforms = platform, 320 .num_platforms = ARRAY_SIZE(platform), 321 }, 322 [EC] = { 323 .name = "acp3x-ec-dmic0-capture", 324 .stream_name = "Capture DMIC0", 325 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 326 | SND_SOC_DAIFMT_CBS_CFS, 327 .dpcm_capture = 1, 328 .ops = &acp3x_ec_cap0_ops, 329 SND_SOC_DAILINK_REG(acp3x_bt, cros_ec, platform), 330 }, 331 }; 332 333 static const char * const dmic_mux_text[] = { 334 "Front Mic", 335 "Rear Mic", 336 }; 337 338 static SOC_ENUM_SINGLE_DECL( 339 acp3x_dmic_enum, SND_SOC_NOPM, 0, dmic_mux_text); 340 341 static const struct snd_kcontrol_new acp3x_dmic_mux_control = 342 SOC_DAPM_ENUM_EXT("DMIC Select Mux", acp3x_dmic_enum, 343 dmic_get, dmic_set); 344 345 static const struct snd_soc_dapm_widget acp3x_5682_widgets[] = { 346 SND_SOC_DAPM_HP("Headphone Jack", NULL), 347 SND_SOC_DAPM_SPK("Spk", NULL), 348 SND_SOC_DAPM_MIC("Headset Mic", NULL), 349 SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0, 350 &acp3x_dmic_mux_control), 351 }; 352 353 static const struct snd_soc_dapm_route acp3x_5682_audio_route[] = { 354 {"Headphone Jack", NULL, "HPOL"}, 355 {"Headphone Jack", NULL, "HPOR"}, 356 {"IN1P", NULL, "Headset Mic"}, 357 {"Spk", NULL, "Speaker"}, 358 {"Dmic Mux", "Front Mic", "DMIC"}, 359 {"Dmic Mux", "Rear Mic", "DMIC"}, 360 }; 361 362 static const struct snd_kcontrol_new acp3x_5682_mc_controls[] = { 363 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 364 SOC_DAPM_PIN_SWITCH("Spk"), 365 SOC_DAPM_PIN_SWITCH("Headset Mic"), 366 }; 367 368 static struct snd_soc_card acp3x_5682 = { 369 .name = "acp3xalc5682m98357", 370 .owner = THIS_MODULE, 371 .dai_link = acp3x_dai, 372 .num_links = ARRAY_SIZE(acp3x_dai), 373 .dapm_widgets = acp3x_5682_widgets, 374 .num_dapm_widgets = ARRAY_SIZE(acp3x_5682_widgets), 375 .dapm_routes = acp3x_5682_audio_route, 376 .num_dapm_routes = ARRAY_SIZE(acp3x_5682_audio_route), 377 .controls = acp3x_5682_mc_controls, 378 .num_controls = ARRAY_SIZE(acp3x_5682_mc_controls), 379 }; 380 381 static const struct snd_soc_dapm_widget acp3x_1015_widgets[] = { 382 SND_SOC_DAPM_HP("Headphone Jack", NULL), 383 SND_SOC_DAPM_MIC("Headset Mic", NULL), 384 SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0, 385 &acp3x_dmic_mux_control), 386 SND_SOC_DAPM_SPK("Left Spk", NULL), 387 SND_SOC_DAPM_SPK("Right Spk", NULL), 388 }; 389 390 static const struct snd_soc_dapm_route acp3x_1015_route[] = { 391 {"Headphone Jack", NULL, "HPOL"}, 392 {"Headphone Jack", NULL, "HPOR"}, 393 {"IN1P", NULL, "Headset Mic"}, 394 {"Dmic Mux", "Front Mic", "DMIC"}, 395 {"Dmic Mux", "Rear Mic", "DMIC"}, 396 {"Left Spk", NULL, "Left SPO"}, 397 {"Right Spk", NULL, "Right SPO"}, 398 }; 399 400 static const struct snd_kcontrol_new acp3x_mc_1015_controls[] = { 401 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 402 SOC_DAPM_PIN_SWITCH("Headset Mic"), 403 SOC_DAPM_PIN_SWITCH("Left Spk"), 404 SOC_DAPM_PIN_SWITCH("Right Spk"), 405 }; 406 407 static struct snd_soc_card acp3x_1015 = { 408 .name = "acp3xalc56821015", 409 .owner = THIS_MODULE, 410 .dai_link = acp3x_dai, 411 .num_links = ARRAY_SIZE(acp3x_dai), 412 .dapm_widgets = acp3x_1015_widgets, 413 .num_dapm_widgets = ARRAY_SIZE(acp3x_1015_widgets), 414 .dapm_routes = acp3x_1015_route, 415 .num_dapm_routes = ARRAY_SIZE(acp3x_1015_route), 416 .codec_conf = rt1015_conf, 417 .num_configs = ARRAY_SIZE(rt1015_conf), 418 .controls = acp3x_mc_1015_controls, 419 .num_controls = ARRAY_SIZE(acp3x_mc_1015_controls), 420 }; 421 422 void *soc_is_rltk_max(struct device *dev) 423 { 424 const struct acpi_device_id *match; 425 426 match = acpi_match_device(dev->driver->acpi_match_table, dev); 427 if (!match) 428 return NULL; 429 return (void *)match->driver_data; 430 } 431 432 static void card_spk_dai_link_present(struct snd_soc_dai_link *links, 433 const char *card_name) 434 { 435 if (!strcmp(card_name, "acp3xalc56821015")) { 436 links[1].codecs = rt1015; 437 links[1].num_codecs = ARRAY_SIZE(rt1015); 438 } else { 439 links[1].codecs = max; 440 links[1].num_codecs = ARRAY_SIZE(max); 441 } 442 } 443 444 static int acp3x_probe(struct platform_device *pdev) 445 { 446 int ret; 447 struct snd_soc_card *card; 448 struct acp3x_platform_info *machine; 449 struct device *dev = &pdev->dev; 450 451 card = (struct snd_soc_card *)soc_is_rltk_max(dev); 452 if (!card) 453 return -ENODEV; 454 455 machine = devm_kzalloc(&pdev->dev, sizeof(*machine), GFP_KERNEL); 456 if (!machine) 457 return -ENOMEM; 458 459 card_spk_dai_link_present(card->dai_link, card->name); 460 card->dev = &pdev->dev; 461 platform_set_drvdata(pdev, card); 462 snd_soc_card_set_drvdata(card, machine); 463 464 dmic_sel = devm_gpiod_get(&pdev->dev, "dmic", GPIOD_OUT_LOW); 465 if (IS_ERR(dmic_sel)) { 466 dev_err(&pdev->dev, "DMIC gpio failed err=%ld\n", 467 PTR_ERR(dmic_sel)); 468 return PTR_ERR(dmic_sel); 469 } 470 471 ret = devm_snd_soc_register_card(&pdev->dev, card); 472 if (ret) { 473 if (ret != -EPROBE_DEFER) 474 dev_err(&pdev->dev, 475 "devm_snd_soc_register_card(%s) failed: %d\n", 476 card->name, ret); 477 else 478 dev_dbg(&pdev->dev, 479 "devm_snd_soc_register_card(%s) probe deferred: %d\n", 480 card->name, ret); 481 } 482 483 return ret; 484 } 485 486 static const struct acpi_device_id acp3x_audio_acpi_match[] = { 487 { "AMDI5682", (unsigned long)&acp3x_5682}, 488 { "AMDI1015", (unsigned long)&acp3x_1015}, 489 {}, 490 }; 491 MODULE_DEVICE_TABLE(acpi, acp3x_audio_acpi_match); 492 493 static struct platform_driver acp3x_audio = { 494 .driver = { 495 .name = "acp3x-alc5682-max98357", 496 .acpi_match_table = ACPI_PTR(acp3x_audio_acpi_match), 497 .pm = &snd_soc_pm_ops, 498 }, 499 .probe = acp3x_probe, 500 }; 501 502 module_platform_driver(acp3x_audio); 503 504 MODULE_AUTHOR("akshu.agrawal@amd.com"); 505 MODULE_AUTHOR("Vishnuvardhanrao.Ravulapati@amd.com"); 506 MODULE_DESCRIPTION("ALC5682 ALC1015 & MAX98357 audio support"); 507 MODULE_LICENSE("GPL v2"); 508