1 // SPDX-License-Identifier: GPL-2.0-only 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 #define SOF_PCM512X_ENABLE_SSP_CAPTURE BIT(4) 30 #define SOF_PCM512X_ENABLE_DMIC BIT(5) 31 32 #define IDISP_CODEC_MASK 0x4 33 34 /* Default: SSP5 */ 35 static unsigned long sof_pcm512x_quirk = 36 SOF_PCM512X_SSP_CODEC(5) | 37 SOF_PCM512X_ENABLE_SSP_CAPTURE | 38 SOF_PCM512X_ENABLE_DMIC; 39 40 static bool is_legacy_cpu; 41 42 struct sof_hdmi_pcm { 43 struct list_head head; 44 struct snd_soc_dai *codec_dai; 45 int device; 46 }; 47 48 struct sof_card_private { 49 struct list_head hdmi_pcm_list; 50 bool idisp_codec; 51 }; 52 53 static int sof_pcm512x_quirk_cb(const struct dmi_system_id *id) 54 { 55 sof_pcm512x_quirk = (unsigned long)id->driver_data; 56 return 1; 57 } 58 59 static const struct dmi_system_id sof_pcm512x_quirk_table[] = { 60 { 61 .callback = sof_pcm512x_quirk_cb, 62 .matches = { 63 DMI_MATCH(DMI_SYS_VENDOR, "AAEON"), 64 DMI_MATCH(DMI_PRODUCT_NAME, "UP-CHT01"), 65 }, 66 .driver_data = (void *)(SOF_PCM512X_SSP_CODEC(2)), 67 }, 68 {} 69 }; 70 71 static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd) 72 { 73 struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card); 74 struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0); 75 struct sof_hdmi_pcm *pcm; 76 77 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); 78 if (!pcm) 79 return -ENOMEM; 80 81 /* dai_link id is 1:1 mapped to the PCM device */ 82 pcm->device = rtd->dai_link->id; 83 pcm->codec_dai = dai; 84 85 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); 86 87 return 0; 88 } 89 90 static int sof_pcm512x_codec_init(struct snd_soc_pcm_runtime *rtd) 91 { 92 struct snd_soc_component *codec = snd_soc_rtd_to_codec(rtd, 0)->component; 93 94 snd_soc_component_update_bits(codec, PCM512x_GPIO_EN, 0x08, 0x08); 95 snd_soc_component_update_bits(codec, PCM512x_GPIO_OUTPUT_4, 0x0f, 0x02); 96 snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1, 97 0x08, 0x08); 98 99 return 0; 100 } 101 102 static int aif1_startup(struct snd_pcm_substream *substream) 103 { 104 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 105 struct snd_soc_component *codec = snd_soc_rtd_to_codec(rtd, 0)->component; 106 107 snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1, 108 0x08, 0x08); 109 110 return 0; 111 } 112 113 static void aif1_shutdown(struct snd_pcm_substream *substream) 114 { 115 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 116 struct snd_soc_component *codec = snd_soc_rtd_to_codec(rtd, 0)->component; 117 118 snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1, 119 0x08, 0x00); 120 } 121 122 static const struct snd_soc_ops sof_pcm512x_ops = { 123 .startup = aif1_startup, 124 .shutdown = aif1_shutdown, 125 }; 126 127 static struct snd_soc_dai_link_component platform_component[] = { 128 { 129 /* name might be overridden during probe */ 130 .name = "0000:00:1f.3" 131 } 132 }; 133 134 static int sof_card_late_probe(struct snd_soc_card *card) 135 { 136 struct sof_card_private *ctx = snd_soc_card_get_drvdata(card); 137 struct sof_hdmi_pcm *pcm; 138 139 /* HDMI is not supported by SOF on Baytrail/CherryTrail */ 140 if (is_legacy_cpu) 141 return 0; 142 143 if (list_empty(&ctx->hdmi_pcm_list)) 144 return -EINVAL; 145 146 if (!ctx->idisp_codec) 147 return 0; 148 149 pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm, head); 150 151 return hda_dsp_hdmi_build_controls(card, pcm->codec_dai->component); 152 } 153 154 static const struct snd_kcontrol_new sof_controls[] = { 155 SOC_DAPM_PIN_SWITCH("Ext Spk"), 156 }; 157 158 static const struct snd_soc_dapm_widget sof_widgets[] = { 159 SND_SOC_DAPM_SPK("Ext Spk", NULL), 160 }; 161 162 static const struct snd_soc_dapm_widget dmic_widgets[] = { 163 SND_SOC_DAPM_MIC("SoC DMIC", NULL), 164 }; 165 166 static const struct snd_soc_dapm_route sof_map[] = { 167 /* Speaker */ 168 {"Ext Spk", NULL, "OUTR"}, 169 {"Ext Spk", NULL, "OUTL"}, 170 }; 171 172 static const struct snd_soc_dapm_route dmic_map[] = { 173 /* digital mics */ 174 {"DMic", NULL, "SoC DMIC"}, 175 }; 176 177 static int dmic_init(struct snd_soc_pcm_runtime *rtd) 178 { 179 struct snd_soc_card *card = rtd->card; 180 int ret; 181 182 ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets, 183 ARRAY_SIZE(dmic_widgets)); 184 if (ret) { 185 dev_err(card->dev, "DMic widget addition failed: %d\n", ret); 186 /* Don't need to add routes if widget addition failed */ 187 return ret; 188 } 189 190 ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map, 191 ARRAY_SIZE(dmic_map)); 192 193 if (ret) 194 dev_err(card->dev, "DMic map addition failed: %d\n", ret); 195 196 return ret; 197 } 198 199 /* sof audio machine driver for pcm512x codec */ 200 static struct snd_soc_card sof_audio_card_pcm512x = { 201 .name = "pcm512x", 202 .owner = THIS_MODULE, 203 .controls = sof_controls, 204 .num_controls = ARRAY_SIZE(sof_controls), 205 .dapm_widgets = sof_widgets, 206 .num_dapm_widgets = ARRAY_SIZE(sof_widgets), 207 .dapm_routes = sof_map, 208 .num_dapm_routes = ARRAY_SIZE(sof_map), 209 .fully_routed = true, 210 .late_probe = sof_card_late_probe, 211 }; 212 213 SND_SOC_DAILINK_DEF(pcm512x_component, 214 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-104C5122:00", "pcm512x-hifi"))); 215 SND_SOC_DAILINK_DEF(dmic_component, 216 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi"))); 217 218 static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev, 219 int ssp_codec, 220 int dmic_be_num, 221 int hdmi_num, 222 bool idisp_codec) 223 { 224 struct snd_soc_dai_link_component *idisp_components; 225 struct snd_soc_dai_link_component *cpus; 226 struct snd_soc_dai_link *links; 227 int i, id = 0; 228 229 links = devm_kcalloc(dev, sof_audio_card_pcm512x.num_links, 230 sizeof(struct snd_soc_dai_link), GFP_KERNEL); 231 cpus = devm_kcalloc(dev, sof_audio_card_pcm512x.num_links, 232 sizeof(struct snd_soc_dai_link_component), GFP_KERNEL); 233 if (!links || !cpus) 234 goto devm_err; 235 236 /* codec SSP */ 237 links[id].name = devm_kasprintf(dev, GFP_KERNEL, 238 "SSP%d-Codec", ssp_codec); 239 if (!links[id].name) 240 goto devm_err; 241 242 links[id].id = id; 243 links[id].codecs = pcm512x_component; 244 links[id].num_codecs = ARRAY_SIZE(pcm512x_component); 245 links[id].platforms = platform_component; 246 links[id].num_platforms = ARRAY_SIZE(platform_component); 247 links[id].init = sof_pcm512x_codec_init; 248 links[id].ops = &sof_pcm512x_ops; 249 /* 250 * capture only supported with specific versions of the Hifiberry DAC+ 251 */ 252 if (!(sof_pcm512x_quirk & SOF_PCM512X_ENABLE_SSP_CAPTURE)) 253 links[id].playback_only = 1; 254 links[id].no_pcm = 1; 255 links[id].cpus = &cpus[id]; 256 links[id].num_cpus = 1; 257 if (is_legacy_cpu) { 258 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, 259 "ssp%d-port", 260 ssp_codec); 261 if (!links[id].cpus->dai_name) 262 goto devm_err; 263 } else { 264 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, 265 "SSP%d Pin", 266 ssp_codec); 267 if (!links[id].cpus->dai_name) 268 goto devm_err; 269 } 270 id++; 271 272 /* dmic */ 273 if (dmic_be_num > 0) { 274 /* at least we have dmic01 */ 275 links[id].name = "dmic01"; 276 links[id].cpus = &cpus[id]; 277 links[id].cpus->dai_name = "DMIC01 Pin"; 278 links[id].init = dmic_init; 279 if (dmic_be_num > 1) { 280 /* set up 2 BE links at most */ 281 links[id + 1].name = "dmic16k"; 282 links[id + 1].cpus = &cpus[id + 1]; 283 links[id + 1].cpus->dai_name = "DMIC16k Pin"; 284 dmic_be_num = 2; 285 } 286 } 287 288 for (i = 0; i < dmic_be_num; i++) { 289 links[id].id = id; 290 links[id].num_cpus = 1; 291 links[id].codecs = dmic_component; 292 links[id].num_codecs = ARRAY_SIZE(dmic_component); 293 links[id].platforms = platform_component; 294 links[id].num_platforms = ARRAY_SIZE(platform_component); 295 links[id].ignore_suspend = 1; 296 links[id].capture_only = 1; 297 links[id].no_pcm = 1; 298 id++; 299 } 300 301 /* HDMI */ 302 if (hdmi_num > 0) { 303 idisp_components = devm_kcalloc(dev, hdmi_num, 304 sizeof(struct snd_soc_dai_link_component), 305 GFP_KERNEL); 306 if (!idisp_components) 307 goto devm_err; 308 } 309 for (i = 1; i <= hdmi_num; i++) { 310 links[id].name = devm_kasprintf(dev, GFP_KERNEL, 311 "iDisp%d", i); 312 if (!links[id].name) 313 goto devm_err; 314 315 links[id].id = id; 316 links[id].cpus = &cpus[id]; 317 links[id].num_cpus = 1; 318 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, 319 "iDisp%d Pin", i); 320 if (!links[id].cpus->dai_name) 321 goto devm_err; 322 323 /* 324 * topology cannot be loaded if codec is missing, so 325 * use the dummy codec if needed 326 */ 327 if (idisp_codec) { 328 idisp_components[i - 1].name = "ehdaudio0D2"; 329 idisp_components[i - 1].dai_name = 330 devm_kasprintf(dev, GFP_KERNEL, 331 "intel-hdmi-hifi%d", i); 332 } else { 333 idisp_components[i - 1] = snd_soc_dummy_dlc; 334 } 335 if (!idisp_components[i - 1].dai_name) 336 goto devm_err; 337 338 links[id].codecs = &idisp_components[i - 1]; 339 links[id].num_codecs = 1; 340 links[id].platforms = platform_component; 341 links[id].num_platforms = ARRAY_SIZE(platform_component); 342 links[id].init = sof_hdmi_init; 343 links[id].playback_only = 1; 344 links[id].no_pcm = 1; 345 id++; 346 } 347 348 return links; 349 devm_err: 350 return NULL; 351 } 352 353 static int sof_audio_probe(struct platform_device *pdev) 354 { 355 struct snd_soc_acpi_mach *mach = pdev->dev.platform_data; 356 struct snd_soc_dai_link *dai_links; 357 struct sof_card_private *ctx; 358 int dmic_be_num, hdmi_num; 359 int ret, ssp_codec; 360 361 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); 362 if (!ctx) 363 return -ENOMEM; 364 365 hdmi_num = 0; 366 if (soc_intel_is_byt() || soc_intel_is_cht()) { 367 is_legacy_cpu = true; 368 dmic_be_num = 0; 369 /* default quirk for legacy cpu */ 370 sof_pcm512x_quirk = SOF_PCM512X_SSP_CODEC(2); 371 } else { 372 dmic_be_num = 2; 373 if (mach->mach_params.codec_mask & IDISP_CODEC_MASK) 374 ctx->idisp_codec = true; 375 376 /* links are always present in topology */ 377 hdmi_num = 3; 378 } 379 380 dmi_check_system(sof_pcm512x_quirk_table); 381 382 dev_dbg(&pdev->dev, "sof_pcm512x_quirk = %lx\n", sof_pcm512x_quirk); 383 384 ssp_codec = sof_pcm512x_quirk & SOF_PCM512X_SSP_CODEC_MASK; 385 386 if (!(sof_pcm512x_quirk & SOF_PCM512X_ENABLE_DMIC)) 387 dmic_be_num = 0; 388 389 /* compute number of dai links */ 390 sof_audio_card_pcm512x.num_links = 1 + dmic_be_num + hdmi_num; 391 392 dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec, 393 dmic_be_num, hdmi_num, 394 ctx->idisp_codec); 395 if (!dai_links) 396 return -ENOMEM; 397 398 sof_audio_card_pcm512x.dai_link = dai_links; 399 400 INIT_LIST_HEAD(&ctx->hdmi_pcm_list); 401 402 sof_audio_card_pcm512x.dev = &pdev->dev; 403 404 /* set platform name for each dailink */ 405 ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_pcm512x, 406 mach->mach_params.platform); 407 if (ret) 408 return ret; 409 410 snd_soc_card_set_drvdata(&sof_audio_card_pcm512x, ctx); 411 412 return devm_snd_soc_register_card(&pdev->dev, 413 &sof_audio_card_pcm512x); 414 } 415 416 static void sof_pcm512x_remove(struct platform_device *pdev) 417 { 418 struct snd_soc_card *card = platform_get_drvdata(pdev); 419 struct snd_soc_component *component; 420 421 for_each_card_components(card, component) { 422 if (!strcmp(component->name, pcm512x_component[0].name)) { 423 snd_soc_component_set_jack(component, NULL, NULL); 424 break; 425 } 426 } 427 } 428 429 static struct platform_driver sof_audio = { 430 .probe = sof_audio_probe, 431 .remove = sof_pcm512x_remove, 432 .driver = { 433 .name = "sof_pcm512x", 434 .pm = &snd_soc_pm_ops, 435 }, 436 }; 437 module_platform_driver(sof_audio) 438 439 MODULE_DESCRIPTION("ASoC Intel(R) SOF + PCM512x Machine driver"); 440 MODULE_AUTHOR("Pierre-Louis Bossart"); 441 MODULE_LICENSE("GPL v2"); 442 MODULE_ALIAS("platform:sof_pcm512x"); 443 MODULE_IMPORT_NS("SND_SOC_INTEL_HDA_DSP_COMMON"); 444