1 // SPDX-License-Identifier: GPL-2.0 2 // Copyright(c) 2018-2020 Intel Corporation. 3 4 /* 5 * Intel SOF Machine Driver for Intel platforms with TI PCM512x codec, 6 * e.g. Up or Up2 with Hifiberry DAC+ HAT 7 */ 8 #include <linux/clk.h> 9 #include <linux/dmi.h> 10 #include <linux/i2c.h> 11 #include <linux/input.h> 12 #include <linux/module.h> 13 #include <linux/platform_device.h> 14 #include <linux/types.h> 15 #include <sound/core.h> 16 #include <sound/jack.h> 17 #include <sound/pcm.h> 18 #include <sound/pcm_params.h> 19 #include <sound/soc.h> 20 #include <sound/soc-acpi.h> 21 #include "../../codecs/pcm512x.h" 22 #include "../common/soc-intel-quirks.h" 23 #include "hda_dsp_common.h" 24 25 #define NAME_SIZE 32 26 27 #define SOF_PCM512X_SSP_CODEC(quirk) ((quirk) & GENMASK(3, 0)) 28 #define SOF_PCM512X_SSP_CODEC_MASK (GENMASK(3, 0)) 29 30 #define IDISP_CODEC_MASK 0x4 31 32 /* Default: SSP5 */ 33 static unsigned long sof_pcm512x_quirk = SOF_PCM512X_SSP_CODEC(5); 34 35 static bool is_legacy_cpu; 36 37 struct sof_hdmi_pcm { 38 struct list_head head; 39 struct snd_soc_dai *codec_dai; 40 int device; 41 }; 42 43 struct sof_card_private { 44 struct list_head hdmi_pcm_list; 45 bool idisp_codec; 46 }; 47 48 static int sof_pcm512x_quirk_cb(const struct dmi_system_id *id) 49 { 50 sof_pcm512x_quirk = (unsigned long)id->driver_data; 51 return 1; 52 } 53 54 static const struct dmi_system_id sof_pcm512x_quirk_table[] = { 55 { 56 .callback = sof_pcm512x_quirk_cb, 57 .matches = { 58 DMI_MATCH(DMI_SYS_VENDOR, "AAEON"), 59 DMI_MATCH(DMI_PRODUCT_NAME, "UP-CHT01"), 60 }, 61 .driver_data = (void *)(SOF_PCM512X_SSP_CODEC(2)), 62 }, 63 {} 64 }; 65 66 static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd) 67 { 68 struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card); 69 struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0); 70 struct sof_hdmi_pcm *pcm; 71 72 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); 73 if (!pcm) 74 return -ENOMEM; 75 76 /* dai_link id is 1:1 mapped to the PCM device */ 77 pcm->device = rtd->dai_link->id; 78 pcm->codec_dai = dai; 79 80 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); 81 82 return 0; 83 } 84 85 static int sof_pcm512x_codec_init(struct snd_soc_pcm_runtime *rtd) 86 { 87 struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component; 88 89 snd_soc_component_update_bits(codec, PCM512x_GPIO_EN, 0x08, 0x08); 90 snd_soc_component_update_bits(codec, PCM512x_GPIO_OUTPUT_4, 0x0f, 0x02); 91 snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1, 92 0x08, 0x08); 93 94 return 0; 95 } 96 97 static int aif1_startup(struct snd_pcm_substream *substream) 98 { 99 struct snd_soc_pcm_runtime *rtd = substream->private_data; 100 struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component; 101 102 snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1, 103 0x08, 0x08); 104 105 return 0; 106 } 107 108 static void aif1_shutdown(struct snd_pcm_substream *substream) 109 { 110 struct snd_soc_pcm_runtime *rtd = substream->private_data; 111 struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component; 112 113 snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1, 114 0x08, 0x00); 115 } 116 117 static const struct snd_soc_ops sof_pcm512x_ops = { 118 .startup = aif1_startup, 119 .shutdown = aif1_shutdown, 120 }; 121 122 static struct snd_soc_dai_link_component platform_component[] = { 123 { 124 /* name might be overridden during probe */ 125 .name = "0000:00:1f.3" 126 } 127 }; 128 129 #if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI) 130 static int sof_card_late_probe(struct snd_soc_card *card) 131 { 132 struct sof_card_private *ctx = snd_soc_card_get_drvdata(card); 133 struct sof_hdmi_pcm *pcm; 134 135 /* HDMI is not supported by SOF on Baytrail/CherryTrail */ 136 if (is_legacy_cpu) 137 return 0; 138 139 if (list_empty(&ctx->hdmi_pcm_list)) 140 return -EINVAL; 141 142 if (!ctx->idisp_codec) 143 return 0; 144 145 pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm, head); 146 147 return hda_dsp_hdmi_build_controls(card, pcm->codec_dai->component); 148 } 149 #else 150 static int sof_card_late_probe(struct snd_soc_card *card) 151 { 152 return 0; 153 } 154 #endif 155 156 static const struct snd_kcontrol_new sof_controls[] = { 157 SOC_DAPM_PIN_SWITCH("Ext Spk"), 158 }; 159 160 static const struct snd_soc_dapm_widget sof_widgets[] = { 161 SND_SOC_DAPM_SPK("Ext Spk", NULL), 162 }; 163 164 static const struct snd_soc_dapm_widget dmic_widgets[] = { 165 SND_SOC_DAPM_MIC("SoC DMIC", NULL), 166 }; 167 168 static const struct snd_soc_dapm_route sof_map[] = { 169 /* Speaker */ 170 {"Ext Spk", NULL, "OUTR"}, 171 {"Ext Spk", NULL, "OUTL"}, 172 }; 173 174 static const struct snd_soc_dapm_route dmic_map[] = { 175 /* digital mics */ 176 {"DMic", NULL, "SoC DMIC"}, 177 }; 178 179 static int dmic_init(struct snd_soc_pcm_runtime *rtd) 180 { 181 struct snd_soc_card *card = rtd->card; 182 int ret; 183 184 ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets, 185 ARRAY_SIZE(dmic_widgets)); 186 if (ret) { 187 dev_err(card->dev, "DMic widget addition failed: %d\n", ret); 188 /* Don't need to add routes if widget addition failed */ 189 return ret; 190 } 191 192 ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map, 193 ARRAY_SIZE(dmic_map)); 194 195 if (ret) 196 dev_err(card->dev, "DMic map addition failed: %d\n", ret); 197 198 return ret; 199 } 200 201 /* sof audio machine driver for pcm512x codec */ 202 static struct snd_soc_card sof_audio_card_pcm512x = { 203 .name = "pcm512x", 204 .owner = THIS_MODULE, 205 .controls = sof_controls, 206 .num_controls = ARRAY_SIZE(sof_controls), 207 .dapm_widgets = sof_widgets, 208 .num_dapm_widgets = ARRAY_SIZE(sof_widgets), 209 .dapm_routes = sof_map, 210 .num_dapm_routes = ARRAY_SIZE(sof_map), 211 .fully_routed = true, 212 .late_probe = sof_card_late_probe, 213 }; 214 215 SND_SOC_DAILINK_DEF(pcm512x_component, 216 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-104C5122:00", "pcm512x-hifi"))); 217 SND_SOC_DAILINK_DEF(dmic_component, 218 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi"))); 219 220 static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev, 221 int ssp_codec, 222 int dmic_be_num, 223 int hdmi_num, 224 bool idisp_codec) 225 { 226 struct snd_soc_dai_link_component *idisp_components; 227 struct snd_soc_dai_link_component *cpus; 228 struct snd_soc_dai_link *links; 229 int i, id = 0; 230 231 links = devm_kcalloc(dev, sof_audio_card_pcm512x.num_links, 232 sizeof(struct snd_soc_dai_link), GFP_KERNEL); 233 cpus = devm_kcalloc(dev, sof_audio_card_pcm512x.num_links, 234 sizeof(struct snd_soc_dai_link_component), GFP_KERNEL); 235 if (!links || !cpus) 236 goto devm_err; 237 238 /* codec SSP */ 239 links[id].name = devm_kasprintf(dev, GFP_KERNEL, 240 "SSP%d-Codec", ssp_codec); 241 if (!links[id].name) 242 goto devm_err; 243 244 links[id].id = id; 245 links[id].codecs = pcm512x_component; 246 links[id].num_codecs = ARRAY_SIZE(pcm512x_component); 247 links[id].platforms = platform_component; 248 links[id].num_platforms = ARRAY_SIZE(platform_component); 249 links[id].init = sof_pcm512x_codec_init; 250 links[id].ops = &sof_pcm512x_ops; 251 links[id].nonatomic = true; 252 links[id].dpcm_playback = 1; 253 /* 254 * capture only supported with specific versions of the Hifiberry DAC+ 255 * links[id].dpcm_capture = 1; 256 */ 257 links[id].no_pcm = 1; 258 links[id].cpus = &cpus[id]; 259 links[id].num_cpus = 1; 260 if (is_legacy_cpu) { 261 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, 262 "ssp%d-port", 263 ssp_codec); 264 if (!links[id].cpus->dai_name) 265 goto devm_err; 266 } else { 267 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, 268 "SSP%d Pin", 269 ssp_codec); 270 if (!links[id].cpus->dai_name) 271 goto devm_err; 272 } 273 id++; 274 275 /* dmic */ 276 if (dmic_be_num > 0) { 277 /* at least we have dmic01 */ 278 links[id].name = "dmic01"; 279 links[id].cpus = &cpus[id]; 280 links[id].cpus->dai_name = "DMIC01 Pin"; 281 links[id].init = dmic_init; 282 if (dmic_be_num > 1) { 283 /* set up 2 BE links at most */ 284 links[id + 1].name = "dmic16k"; 285 links[id + 1].cpus = &cpus[id + 1]; 286 links[id + 1].cpus->dai_name = "DMIC16k Pin"; 287 dmic_be_num = 2; 288 } 289 } 290 291 for (i = 0; i < dmic_be_num; i++) { 292 links[id].id = id; 293 links[id].num_cpus = 1; 294 links[id].codecs = dmic_component; 295 links[id].num_codecs = ARRAY_SIZE(dmic_component); 296 links[id].platforms = platform_component; 297 links[id].num_platforms = ARRAY_SIZE(platform_component); 298 links[id].ignore_suspend = 1; 299 links[id].dpcm_capture = 1; 300 links[id].no_pcm = 1; 301 id++; 302 } 303 304 /* HDMI */ 305 if (hdmi_num > 0) { 306 idisp_components = devm_kcalloc(dev, hdmi_num, 307 sizeof(struct snd_soc_dai_link_component), 308 GFP_KERNEL); 309 if (!idisp_components) 310 goto devm_err; 311 } 312 for (i = 1; i <= hdmi_num; i++) { 313 links[id].name = devm_kasprintf(dev, GFP_KERNEL, 314 "iDisp%d", i); 315 if (!links[id].name) 316 goto devm_err; 317 318 links[id].id = id; 319 links[id].cpus = &cpus[id]; 320 links[id].num_cpus = 1; 321 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, 322 "iDisp%d Pin", i); 323 if (!links[id].cpus->dai_name) 324 goto devm_err; 325 326 /* 327 * topology cannot be loaded if codec is missing, so 328 * use the dummy codec if needed 329 */ 330 if (idisp_codec) { 331 idisp_components[i - 1].name = "ehdaudio0D2"; 332 idisp_components[i - 1].dai_name = 333 devm_kasprintf(dev, GFP_KERNEL, 334 "intel-hdmi-hifi%d", i); 335 } else { 336 idisp_components[i - 1].name = "snd-soc-dummy"; 337 idisp_components[i - 1].dai_name = "snd-soc-dummy-dai"; 338 } 339 if (!idisp_components[i - 1].dai_name) 340 goto devm_err; 341 342 links[id].codecs = &idisp_components[i - 1]; 343 links[id].num_codecs = 1; 344 links[id].platforms = platform_component; 345 links[id].num_platforms = ARRAY_SIZE(platform_component); 346 links[id].init = sof_hdmi_init; 347 links[id].dpcm_playback = 1; 348 links[id].no_pcm = 1; 349 id++; 350 } 351 352 return links; 353 devm_err: 354 return NULL; 355 } 356 357 static int sof_audio_probe(struct platform_device *pdev) 358 { 359 struct snd_soc_acpi_mach *mach = pdev->dev.platform_data; 360 struct snd_soc_dai_link *dai_links; 361 struct sof_card_private *ctx; 362 int dmic_be_num, hdmi_num; 363 int ret, ssp_codec; 364 365 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); 366 if (!ctx) 367 return -ENOMEM; 368 369 hdmi_num = 0; 370 if (soc_intel_is_byt() || soc_intel_is_cht()) { 371 is_legacy_cpu = true; 372 dmic_be_num = 0; 373 /* default quirk for legacy cpu */ 374 sof_pcm512x_quirk = SOF_PCM512X_SSP_CODEC(2); 375 } else { 376 dmic_be_num = 2; 377 #if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI) 378 if (mach->mach_params.common_hdmi_codec_drv && 379 (mach->mach_params.codec_mask & IDISP_CODEC_MASK)) 380 ctx->idisp_codec = true; 381 382 /* links are always present in topology */ 383 hdmi_num = 3; 384 #endif 385 } 386 387 dmi_check_system(sof_pcm512x_quirk_table); 388 389 dev_dbg(&pdev->dev, "sof_pcm512x_quirk = %lx\n", sof_pcm512x_quirk); 390 391 ssp_codec = sof_pcm512x_quirk & SOF_PCM512X_SSP_CODEC_MASK; 392 393 /* compute number of dai links */ 394 sof_audio_card_pcm512x.num_links = 1 + dmic_be_num + hdmi_num; 395 396 dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec, 397 dmic_be_num, hdmi_num, 398 ctx->idisp_codec); 399 if (!dai_links) 400 return -ENOMEM; 401 402 sof_audio_card_pcm512x.dai_link = dai_links; 403 404 INIT_LIST_HEAD(&ctx->hdmi_pcm_list); 405 406 sof_audio_card_pcm512x.dev = &pdev->dev; 407 408 /* set platform name for each dailink */ 409 ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_pcm512x, 410 mach->mach_params.platform); 411 if (ret) 412 return ret; 413 414 snd_soc_card_set_drvdata(&sof_audio_card_pcm512x, ctx); 415 416 return devm_snd_soc_register_card(&pdev->dev, 417 &sof_audio_card_pcm512x); 418 } 419 420 static int sof_pcm512x_remove(struct platform_device *pdev) 421 { 422 struct snd_soc_card *card = platform_get_drvdata(pdev); 423 struct snd_soc_component *component = NULL; 424 425 for_each_card_components(card, component) { 426 if (!strcmp(component->name, pcm512x_component[0].name)) { 427 snd_soc_component_set_jack(component, NULL, NULL); 428 break; 429 } 430 } 431 432 return 0; 433 } 434 435 static struct platform_driver sof_audio = { 436 .probe = sof_audio_probe, 437 .remove = sof_pcm512x_remove, 438 .driver = { 439 .name = "sof_pcm512x", 440 .pm = &snd_soc_pm_ops, 441 }, 442 }; 443 module_platform_driver(sof_audio) 444 445 MODULE_DESCRIPTION("ASoC Intel(R) SOF + PCM512x Machine driver"); 446 MODULE_AUTHOR("Pierre-Louis Bossart"); 447 MODULE_LICENSE("GPL v2"); 448 MODULE_ALIAS("platform:sof_pcm512x"); 449