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 const 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"); 471