1 // SPDX-License-Identifier: GPL-2.0+ 2 // 3 // Bells audio support 4 // 5 // Copyright 2012 Wolfson Microelectronics 6 7 #include <sound/soc.h> 8 #include <sound/soc-dapm.h> 9 #include <sound/jack.h> 10 #include <linux/module.h> 11 12 #include "../codecs/wm5102.h" 13 #include "../codecs/wm9081.h" 14 15 /* BCLK2 is fixed at this currently */ 16 #define BCLK2_RATE (64 * 8000) 17 18 /* 19 * Expect a 24.576MHz crystal if one is fitted (the driver will function 20 * if this is not fitted). 21 */ 22 #define MCLK_RATE 24576000 23 24 #define SYS_AUDIO_RATE 44100 25 #define SYS_MCLK_RATE (SYS_AUDIO_RATE * 512) 26 27 #define DAI_AP_DSP 0 28 #define DAI_DSP_CODEC 1 29 #define DAI_CODEC_CP 2 30 #define DAI_CODEC_SUB 3 31 32 struct bells_drvdata { 33 int sysclk_rate; 34 int asyncclk_rate; 35 }; 36 37 static struct bells_drvdata wm2200_drvdata = { 38 .sysclk_rate = 22579200, 39 }; 40 41 static struct bells_drvdata wm5102_drvdata = { 42 .sysclk_rate = 45158400, 43 .asyncclk_rate = 49152000, 44 }; 45 46 static struct bells_drvdata wm5110_drvdata = { 47 .sysclk_rate = 135475200, 48 .asyncclk_rate = 147456000, 49 }; 50 51 static int bells_set_bias_level(struct snd_soc_card *card, 52 struct snd_soc_dapm_context *dapm, 53 enum snd_soc_bias_level level) 54 { 55 struct snd_soc_pcm_runtime *rtd; 56 struct snd_soc_dai *codec_dai; 57 struct snd_soc_component *component; 58 struct bells_drvdata *bells = card->drvdata; 59 int ret; 60 61 rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]); 62 codec_dai = snd_soc_rtd_to_codec(rtd, 0); 63 component = codec_dai->component; 64 65 if (dapm->dev != codec_dai->dev) 66 return 0; 67 68 switch (level) { 69 case SND_SOC_BIAS_PREPARE: 70 if (dapm->bias_level != SND_SOC_BIAS_STANDBY) 71 break; 72 73 ret = snd_soc_component_set_pll(component, WM5102_FLL1, 74 ARIZONA_FLL_SRC_MCLK1, 75 MCLK_RATE, 76 bells->sysclk_rate); 77 if (ret < 0) 78 pr_err("Failed to start FLL: %d\n", ret); 79 80 if (bells->asyncclk_rate) { 81 ret = snd_soc_component_set_pll(component, WM5102_FLL2, 82 ARIZONA_FLL_SRC_AIF2BCLK, 83 BCLK2_RATE, 84 bells->asyncclk_rate); 85 if (ret < 0) 86 pr_err("Failed to start FLL: %d\n", ret); 87 } 88 break; 89 90 default: 91 break; 92 } 93 94 return 0; 95 } 96 97 static int bells_set_bias_level_post(struct snd_soc_card *card, 98 struct snd_soc_dapm_context *dapm, 99 enum snd_soc_bias_level level) 100 { 101 struct snd_soc_pcm_runtime *rtd; 102 struct snd_soc_dai *codec_dai; 103 struct snd_soc_component *component; 104 struct bells_drvdata *bells = card->drvdata; 105 int ret; 106 107 rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]); 108 codec_dai = snd_soc_rtd_to_codec(rtd, 0); 109 component = codec_dai->component; 110 111 if (dapm->dev != codec_dai->dev) 112 return 0; 113 114 switch (level) { 115 case SND_SOC_BIAS_STANDBY: 116 ret = snd_soc_component_set_pll(component, WM5102_FLL1, 0, 0, 0); 117 if (ret < 0) { 118 pr_err("Failed to stop FLL: %d\n", ret); 119 return ret; 120 } 121 122 if (bells->asyncclk_rate) { 123 ret = snd_soc_component_set_pll(component, WM5102_FLL2, 124 0, 0, 0); 125 if (ret < 0) { 126 pr_err("Failed to stop FLL: %d\n", ret); 127 return ret; 128 } 129 } 130 break; 131 132 default: 133 break; 134 } 135 136 dapm->bias_level = level; 137 138 return 0; 139 } 140 141 static int bells_late_probe(struct snd_soc_card *card) 142 { 143 struct bells_drvdata *bells = card->drvdata; 144 struct snd_soc_pcm_runtime *rtd; 145 struct snd_soc_component *wm0010; 146 struct snd_soc_component *component; 147 struct snd_soc_dai *aif1_dai; 148 struct snd_soc_dai *aif2_dai; 149 struct snd_soc_dai *aif3_dai; 150 struct snd_soc_dai *wm9081_dai; 151 int ret; 152 153 rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_AP_DSP]); 154 wm0010 = snd_soc_rtd_to_codec(rtd, 0)->component; 155 156 rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]); 157 component = snd_soc_rtd_to_codec(rtd, 0)->component; 158 aif1_dai = snd_soc_rtd_to_codec(rtd, 0); 159 160 ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_SYSCLK, 161 ARIZONA_CLK_SRC_FLL1, 162 bells->sysclk_rate, 163 SND_SOC_CLOCK_IN); 164 if (ret != 0) { 165 dev_err(component->dev, "Failed to set SYSCLK: %d\n", ret); 166 return ret; 167 } 168 169 ret = snd_soc_component_set_sysclk(wm0010, 0, 0, SYS_MCLK_RATE, 0); 170 if (ret != 0) { 171 dev_err(wm0010->dev, "Failed to set WM0010 clock: %d\n", ret); 172 return ret; 173 } 174 175 ret = snd_soc_dai_set_sysclk(aif1_dai, ARIZONA_CLK_SYSCLK, 0, 0); 176 if (ret != 0) 177 dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret); 178 179 ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_OPCLK, 0, 180 SYS_MCLK_RATE, SND_SOC_CLOCK_OUT); 181 if (ret != 0) 182 dev_err(component->dev, "Failed to set OPCLK: %d\n", ret); 183 184 if (card->num_rtd == DAI_CODEC_CP) 185 return 0; 186 187 ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_ASYNCCLK, 188 ARIZONA_CLK_SRC_FLL2, 189 bells->asyncclk_rate, 190 SND_SOC_CLOCK_IN); 191 if (ret != 0) { 192 dev_err(component->dev, "Failed to set ASYNCCLK: %d\n", ret); 193 return ret; 194 } 195 196 rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_CODEC_CP]); 197 aif2_dai = snd_soc_rtd_to_cpu(rtd, 0); 198 199 ret = snd_soc_dai_set_sysclk(aif2_dai, ARIZONA_CLK_ASYNCCLK, 0, 0); 200 if (ret != 0) { 201 dev_err(aif2_dai->dev, "Failed to set AIF2 clock: %d\n", ret); 202 return ret; 203 } 204 205 if (card->num_rtd == DAI_CODEC_SUB) 206 return 0; 207 208 rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_CODEC_SUB]); 209 aif3_dai = snd_soc_rtd_to_cpu(rtd, 0); 210 wm9081_dai = snd_soc_rtd_to_codec(rtd, 0); 211 212 ret = snd_soc_dai_set_sysclk(aif3_dai, ARIZONA_CLK_SYSCLK, 0, 0); 213 if (ret != 0) { 214 dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret); 215 return ret; 216 } 217 218 ret = snd_soc_component_set_sysclk(wm9081_dai->component, WM9081_SYSCLK_MCLK, 219 0, SYS_MCLK_RATE, 0); 220 if (ret != 0) { 221 dev_err(wm9081_dai->dev, "Failed to set MCLK: %d\n", ret); 222 return ret; 223 } 224 225 return 0; 226 } 227 228 static const struct snd_soc_pcm_stream baseband_params = { 229 .formats = SNDRV_PCM_FMTBIT_S32_LE, 230 .rate_min = 8000, 231 .rate_max = 8000, 232 .channels_min = 2, 233 .channels_max = 2, 234 }; 235 236 static const struct snd_soc_pcm_stream sub_params = { 237 .formats = SNDRV_PCM_FMTBIT_S32_LE, 238 .rate_min = SYS_AUDIO_RATE, 239 .rate_max = SYS_AUDIO_RATE, 240 .channels_min = 2, 241 .channels_max = 2, 242 }; 243 244 SND_SOC_DAILINK_DEFS(wm2200_cpu_dsp, 245 DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")), 246 DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")), 247 DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0"))); 248 249 SND_SOC_DAILINK_DEFS(wm2200_dsp_codec, 250 DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")), 251 DAILINK_COMP_ARRAY(COMP_CODEC("wm2200.1-003a", "wm2200"))); 252 253 static struct snd_soc_dai_link bells_dai_wm2200[] = { 254 { 255 .name = "CPU-DSP", 256 .stream_name = "CPU-DSP", 257 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 258 | SND_SOC_DAIFMT_CBP_CFP, 259 SND_SOC_DAILINK_REG(wm2200_cpu_dsp), 260 }, 261 { 262 .name = "DSP-CODEC", 263 .stream_name = "DSP-CODEC", 264 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 265 | SND_SOC_DAIFMT_CBP_CFP, 266 .c2c_params = &sub_params, 267 .num_c2c_params = 1, 268 .ignore_suspend = 1, 269 SND_SOC_DAILINK_REG(wm2200_dsp_codec), 270 }, 271 }; 272 273 SND_SOC_DAILINK_DEFS(wm5102_cpu_dsp, 274 DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")), 275 DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")), 276 DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0"))); 277 278 SND_SOC_DAILINK_DEFS(wm5102_dsp_codec, 279 DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")), 280 DAILINK_COMP_ARRAY(COMP_CODEC("wm5102-codec", "wm5102-aif1"))); 281 282 SND_SOC_DAILINK_DEFS(wm5102_baseband, 283 DAILINK_COMP_ARRAY(COMP_CPU("wm5102-aif2")), 284 DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1"))); 285 286 SND_SOC_DAILINK_DEFS(wm5102_sub, 287 DAILINK_COMP_ARRAY(COMP_CPU("wm5102-aif3")), 288 DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi"))); 289 290 static struct snd_soc_dai_link bells_dai_wm5102[] = { 291 { 292 .name = "CPU-DSP", 293 .stream_name = "CPU-DSP", 294 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 295 | SND_SOC_DAIFMT_CBP_CFP, 296 SND_SOC_DAILINK_REG(wm5102_cpu_dsp), 297 }, 298 { 299 .name = "DSP-CODEC", 300 .stream_name = "DSP-CODEC", 301 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 302 | SND_SOC_DAIFMT_CBP_CFP, 303 .c2c_params = &sub_params, 304 .num_c2c_params = 1, 305 .ignore_suspend = 1, 306 SND_SOC_DAILINK_REG(wm5102_dsp_codec), 307 }, 308 { 309 .name = "Baseband", 310 .stream_name = "Baseband", 311 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 312 | SND_SOC_DAIFMT_CBP_CFP, 313 .ignore_suspend = 1, 314 .c2c_params = &baseband_params, 315 .num_c2c_params = 1, 316 SND_SOC_DAILINK_REG(wm5102_baseband), 317 }, 318 { 319 .name = "Sub", 320 .stream_name = "Sub", 321 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 322 | SND_SOC_DAIFMT_CBC_CFC, 323 .ignore_suspend = 1, 324 .c2c_params = &sub_params, 325 .num_c2c_params = 1, 326 SND_SOC_DAILINK_REG(wm5102_sub), 327 }, 328 }; 329 330 SND_SOC_DAILINK_DEFS(wm5110_cpu_dsp, 331 DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")), 332 DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")), 333 DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0"))); 334 335 SND_SOC_DAILINK_DEFS(wm5110_dsp_codec, 336 DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")), 337 DAILINK_COMP_ARRAY(COMP_CODEC("wm5110-codec", "wm5110-aif1"))); 338 339 SND_SOC_DAILINK_DEFS(wm5110_baseband, 340 DAILINK_COMP_ARRAY(COMP_CPU("wm5110-aif2")), 341 DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1"))); 342 343 344 SND_SOC_DAILINK_DEFS(wm5110_sub, 345 DAILINK_COMP_ARRAY(COMP_CPU("wm5110-aif3")), 346 DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi"))); 347 348 static struct snd_soc_dai_link bells_dai_wm5110[] = { 349 { 350 .name = "CPU-DSP", 351 .stream_name = "CPU-DSP", 352 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 353 | SND_SOC_DAIFMT_CBP_CFP, 354 SND_SOC_DAILINK_REG(wm5110_cpu_dsp), 355 }, 356 { 357 .name = "DSP-CODEC", 358 .stream_name = "DSP-CODEC", 359 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 360 | SND_SOC_DAIFMT_CBP_CFP, 361 .c2c_params = &sub_params, 362 .num_c2c_params = 1, 363 .ignore_suspend = 1, 364 SND_SOC_DAILINK_REG(wm5110_dsp_codec), 365 }, 366 { 367 .name = "Baseband", 368 .stream_name = "Baseband", 369 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 370 | SND_SOC_DAIFMT_CBP_CFP, 371 .ignore_suspend = 1, 372 .c2c_params = &baseband_params, 373 .num_c2c_params = 1, 374 SND_SOC_DAILINK_REG(wm5110_baseband), 375 }, 376 { 377 .name = "Sub", 378 .stream_name = "Sub", 379 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 380 | SND_SOC_DAIFMT_CBC_CFC, 381 .ignore_suspend = 1, 382 .c2c_params = &sub_params, 383 .num_c2c_params = 1, 384 SND_SOC_DAILINK_REG(wm5110_sub), 385 }, 386 }; 387 388 static struct snd_soc_codec_conf bells_codec_conf[] = { 389 { 390 .dlc = COMP_CODEC_CONF("wm9081.1-006c"), 391 .name_prefix = "Sub", 392 }, 393 }; 394 395 static const struct snd_soc_dapm_widget bells_widgets[] = { 396 SND_SOC_DAPM_MIC("DMIC", NULL), 397 }; 398 399 static const struct snd_soc_dapm_route bells_routes[] = { 400 { "Sub CLK_SYS", NULL, "OPCLK" }, 401 { "CLKIN", NULL, "OPCLK" }, 402 403 { "DMIC", NULL, "MICBIAS2" }, 404 { "IN2L", NULL, "DMIC" }, 405 { "IN2R", NULL, "DMIC" }, 406 }; 407 408 static struct snd_soc_card bells_cards[] = { 409 { 410 .name = "Bells WM2200", 411 .owner = THIS_MODULE, 412 .dai_link = bells_dai_wm2200, 413 .num_links = ARRAY_SIZE(bells_dai_wm2200), 414 .codec_conf = bells_codec_conf, 415 .num_configs = ARRAY_SIZE(bells_codec_conf), 416 417 .late_probe = bells_late_probe, 418 419 .dapm_widgets = bells_widgets, 420 .num_dapm_widgets = ARRAY_SIZE(bells_widgets), 421 .dapm_routes = bells_routes, 422 .num_dapm_routes = ARRAY_SIZE(bells_routes), 423 424 .set_bias_level = bells_set_bias_level, 425 .set_bias_level_post = bells_set_bias_level_post, 426 427 .drvdata = &wm2200_drvdata, 428 }, 429 { 430 .name = "Bells WM5102", 431 .owner = THIS_MODULE, 432 .dai_link = bells_dai_wm5102, 433 .num_links = ARRAY_SIZE(bells_dai_wm5102), 434 .codec_conf = bells_codec_conf, 435 .num_configs = ARRAY_SIZE(bells_codec_conf), 436 437 .late_probe = bells_late_probe, 438 439 .dapm_widgets = bells_widgets, 440 .num_dapm_widgets = ARRAY_SIZE(bells_widgets), 441 .dapm_routes = bells_routes, 442 .num_dapm_routes = ARRAY_SIZE(bells_routes), 443 444 .set_bias_level = bells_set_bias_level, 445 .set_bias_level_post = bells_set_bias_level_post, 446 447 .drvdata = &wm5102_drvdata, 448 }, 449 { 450 .name = "Bells WM5110", 451 .owner = THIS_MODULE, 452 .dai_link = bells_dai_wm5110, 453 .num_links = ARRAY_SIZE(bells_dai_wm5110), 454 .codec_conf = bells_codec_conf, 455 .num_configs = ARRAY_SIZE(bells_codec_conf), 456 457 .late_probe = bells_late_probe, 458 459 .dapm_widgets = bells_widgets, 460 .num_dapm_widgets = ARRAY_SIZE(bells_widgets), 461 .dapm_routes = bells_routes, 462 .num_dapm_routes = ARRAY_SIZE(bells_routes), 463 464 .set_bias_level = bells_set_bias_level, 465 .set_bias_level_post = bells_set_bias_level_post, 466 467 .drvdata = &wm5110_drvdata, 468 }, 469 }; 470 471 static int bells_probe(struct platform_device *pdev) 472 { 473 int ret; 474 475 bells_cards[pdev->id].dev = &pdev->dev; 476 477 ret = devm_snd_soc_register_card(&pdev->dev, &bells_cards[pdev->id]); 478 if (ret) 479 dev_err(&pdev->dev, 480 "snd_soc_register_card(%s) failed: %d\n", 481 bells_cards[pdev->id].name, ret); 482 483 return ret; 484 } 485 486 static struct platform_driver bells_driver = { 487 .driver = { 488 .name = "bells", 489 .pm = &snd_soc_pm_ops, 490 }, 491 .probe = bells_probe, 492 }; 493 494 module_platform_driver(bells_driver); 495 496 MODULE_DESCRIPTION("Bells audio support"); 497 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); 498 MODULE_LICENSE("GPL"); 499 MODULE_ALIAS("platform:bells"); 500