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 dev_err(&pdev->dev, 476 "devm_snd_soc_register_card(%s) failed: %d\n", 477 card->name, ret); 478 return ret; 479 } 480 return 0; 481 } 482 483 static const struct acpi_device_id acp3x_audio_acpi_match[] = { 484 { "AMDI5682", (unsigned long)&acp3x_5682}, 485 { "AMDI1015", (unsigned long)&acp3x_1015}, 486 {}, 487 }; 488 MODULE_DEVICE_TABLE(acpi, acp3x_audio_acpi_match); 489 490 static struct platform_driver acp3x_audio = { 491 .driver = { 492 .name = "acp3x-alc5682-max98357", 493 .acpi_match_table = ACPI_PTR(acp3x_audio_acpi_match), 494 .pm = &snd_soc_pm_ops, 495 }, 496 .probe = acp3x_probe, 497 }; 498 499 module_platform_driver(acp3x_audio); 500 501 MODULE_AUTHOR("akshu.agrawal@amd.com"); 502 MODULE_AUTHOR("Vishnuvardhanrao.Ravulapati@amd.com"); 503 MODULE_DESCRIPTION("ALC5682 ALC1015 & MAX98357 audio support"); 504 MODULE_LICENSE("GPL v2"); 505