1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // Copyright(c) 2022 Intel Corporation. All rights reserved. 4 5 /* 6 * sof_ssp_amp.c - ASoc Machine driver for Intel platforms 7 * with RT1308/CS35L41 codec. 8 */ 9 10 #include <linux/acpi.h> 11 #include <linux/delay.h> 12 #include <linux/dmi.h> 13 #include <linux/module.h> 14 #include <linux/platform_device.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/sof.h> 20 #include "../../codecs/hdac_hdmi.h" 21 #include "hda_dsp_common.h" 22 #include "sof_realtek_common.h" 23 #include "sof_cirrus_common.h" 24 25 #define NAME_SIZE 32 26 27 /* SSP port ID for speaker amplifier */ 28 #define SOF_AMPLIFIER_SSP(quirk) ((quirk) & GENMASK(3, 0)) 29 #define SOF_AMPLIFIER_SSP_MASK (GENMASK(3, 0)) 30 31 /* HDMI capture*/ 32 #define SOF_SSP_HDMI_CAPTURE_PRESENT BIT(4) 33 #define SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT 5 34 #define SOF_NO_OF_HDMI_CAPTURE_SSP_MASK (GENMASK(6, 5)) 35 #define SOF_NO_OF_HDMI_CAPTURE_SSP(quirk) \ 36 (((quirk) << SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT) & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK) 37 38 #define SOF_HDMI_CAPTURE_1_SSP_SHIFT 7 39 #define SOF_HDMI_CAPTURE_1_SSP_MASK (GENMASK(9, 7)) 40 #define SOF_HDMI_CAPTURE_1_SSP(quirk) \ 41 (((quirk) << SOF_HDMI_CAPTURE_1_SSP_SHIFT) & SOF_HDMI_CAPTURE_1_SSP_MASK) 42 43 #define SOF_HDMI_CAPTURE_2_SSP_SHIFT 10 44 #define SOF_HDMI_CAPTURE_2_SSP_MASK (GENMASK(12, 10)) 45 #define SOF_HDMI_CAPTURE_2_SSP(quirk) \ 46 (((quirk) << SOF_HDMI_CAPTURE_2_SSP_SHIFT) & SOF_HDMI_CAPTURE_2_SSP_MASK) 47 48 /* HDMI playback */ 49 #define SOF_HDMI_PLAYBACK_PRESENT BIT(13) 50 #define SOF_NO_OF_HDMI_PLAYBACK_SHIFT 14 51 #define SOF_NO_OF_HDMI_PLAYBACK_MASK (GENMASK(16, 14)) 52 #define SOF_NO_OF_HDMI_PLAYBACK(quirk) \ 53 (((quirk) << SOF_NO_OF_HDMI_PLAYBACK_SHIFT) & SOF_NO_OF_HDMI_PLAYBACK_MASK) 54 55 /* BT audio offload */ 56 #define SOF_SSP_BT_OFFLOAD_PRESENT BIT(17) 57 #define SOF_BT_OFFLOAD_SSP_SHIFT 18 58 #define SOF_BT_OFFLOAD_SSP_MASK (GENMASK(20, 18)) 59 #define SOF_BT_OFFLOAD_SSP(quirk) \ 60 (((quirk) << SOF_BT_OFFLOAD_SSP_SHIFT) & SOF_BT_OFFLOAD_SSP_MASK) 61 62 /* Speaker amplifiers */ 63 #define SOF_RT1308_SPEAKER_AMP_PRESENT BIT(21) 64 #define SOF_CS35L41_SPEAKER_AMP_PRESENT BIT(22) 65 66 /* Default: SSP2 */ 67 static unsigned long sof_ssp_amp_quirk = SOF_AMPLIFIER_SSP(2); 68 69 struct sof_hdmi_pcm { 70 struct list_head head; 71 struct snd_soc_jack sof_hdmi; 72 struct snd_soc_dai *codec_dai; 73 int device; 74 }; 75 76 struct sof_card_private { 77 struct list_head hdmi_pcm_list; 78 bool common_hdmi_codec_drv; 79 bool idisp_codec; 80 }; 81 82 static const struct dmi_system_id chromebook_platforms[] = { 83 { 84 .ident = "Google Chromebooks", 85 .matches = { 86 DMI_MATCH(DMI_SYS_VENDOR, "Google"), 87 } 88 }, 89 {}, 90 }; 91 92 static const struct snd_soc_dapm_widget sof_ssp_amp_dapm_widgets[] = { 93 SND_SOC_DAPM_MIC("SoC DMIC", NULL), 94 }; 95 96 static const struct snd_soc_dapm_route sof_ssp_amp_dapm_routes[] = { 97 /* digital mics */ 98 {"DMic", NULL, "SoC DMIC"}, 99 }; 100 101 static int sof_card_late_probe(struct snd_soc_card *card) 102 { 103 struct sof_card_private *ctx = snd_soc_card_get_drvdata(card); 104 struct snd_soc_component *component = NULL; 105 char jack_name[NAME_SIZE]; 106 struct sof_hdmi_pcm *pcm; 107 int err; 108 109 if (!(sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT)) 110 return 0; 111 112 /* HDMI is not supported by SOF on Baytrail/CherryTrail */ 113 if (!ctx->idisp_codec) 114 return 0; 115 116 if (list_empty(&ctx->hdmi_pcm_list)) 117 return -EINVAL; 118 119 if (ctx->common_hdmi_codec_drv) { 120 pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm, 121 head); 122 component = pcm->codec_dai->component; 123 return hda_dsp_hdmi_build_controls(card, component); 124 } 125 126 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) { 127 component = pcm->codec_dai->component; 128 snprintf(jack_name, sizeof(jack_name), 129 "HDMI/DP, pcm=%d Jack", pcm->device); 130 err = snd_soc_card_jack_new(card, jack_name, 131 SND_JACK_AVOUT, &pcm->sof_hdmi); 132 133 if (err) 134 return err; 135 136 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device, 137 &pcm->sof_hdmi); 138 if (err < 0) 139 return err; 140 } 141 142 return hdac_hdmi_jack_port_init(component, &card->dapm); 143 } 144 145 static struct snd_soc_card sof_ssp_amp_card = { 146 .name = "ssp_amp", 147 .owner = THIS_MODULE, 148 .dapm_widgets = sof_ssp_amp_dapm_widgets, 149 .num_dapm_widgets = ARRAY_SIZE(sof_ssp_amp_dapm_widgets), 150 .dapm_routes = sof_ssp_amp_dapm_routes, 151 .num_dapm_routes = ARRAY_SIZE(sof_ssp_amp_dapm_routes), 152 .fully_routed = true, 153 .late_probe = sof_card_late_probe, 154 }; 155 156 static struct snd_soc_dai_link_component platform_component[] = { 157 { 158 /* name might be overridden during probe */ 159 .name = "0000:00:1f.3" 160 } 161 }; 162 163 static struct snd_soc_dai_link_component dmic_component[] = { 164 { 165 .name = "dmic-codec", 166 .dai_name = "dmic-hifi", 167 } 168 }; 169 170 static struct snd_soc_dai_link_component dummy_component[] = { 171 { 172 .name = "snd-soc-dummy", 173 .dai_name = "snd-soc-dummy-dai", 174 } 175 }; 176 177 static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd) 178 { 179 struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card); 180 struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0); 181 struct sof_hdmi_pcm *pcm; 182 183 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); 184 if (!pcm) 185 return -ENOMEM; 186 187 /* dai_link id is 1:1 mapped to the PCM device */ 188 pcm->device = rtd->dai_link->id; 189 pcm->codec_dai = dai; 190 191 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); 192 193 return 0; 194 } 195 196 #define IDISP_CODEC_MASK 0x4 197 198 static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev, 199 int ssp_codec, 200 int dmic_be_num, 201 int hdmi_num, 202 bool idisp_codec) 203 { 204 struct snd_soc_dai_link_component *idisp_components; 205 struct snd_soc_dai_link_component *cpus; 206 struct snd_soc_dai_link *links; 207 int i, id = 0; 208 209 links = devm_kcalloc(dev, sof_ssp_amp_card.num_links, 210 sizeof(struct snd_soc_dai_link), GFP_KERNEL); 211 cpus = devm_kcalloc(dev, sof_ssp_amp_card.num_links, 212 sizeof(struct snd_soc_dai_link_component), GFP_KERNEL); 213 if (!links || !cpus) 214 return NULL; 215 216 /* HDMI-In SSP */ 217 if (sof_ssp_amp_quirk & SOF_SSP_HDMI_CAPTURE_PRESENT) { 218 int num_of_hdmi_ssp = (sof_ssp_amp_quirk & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK) >> 219 SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT; 220 221 for (i = 1; i <= num_of_hdmi_ssp; i++) { 222 int port = (i == 1 ? (sof_ssp_amp_quirk & SOF_HDMI_CAPTURE_1_SSP_MASK) >> 223 SOF_HDMI_CAPTURE_1_SSP_SHIFT : 224 (sof_ssp_amp_quirk & SOF_HDMI_CAPTURE_2_SSP_MASK) >> 225 SOF_HDMI_CAPTURE_2_SSP_SHIFT); 226 227 links[id].cpus = &cpus[id]; 228 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, 229 "SSP%d Pin", port); 230 if (!links[id].cpus->dai_name) 231 return NULL; 232 links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-HDMI", port); 233 if (!links[id].name) 234 return NULL; 235 links[id].id = id; 236 links[id].codecs = dummy_component; 237 links[id].num_codecs = ARRAY_SIZE(dummy_component); 238 links[id].platforms = platform_component; 239 links[id].num_platforms = ARRAY_SIZE(platform_component); 240 links[id].dpcm_capture = 1; 241 links[id].no_pcm = 1; 242 links[id].num_cpus = 1; 243 id++; 244 } 245 } 246 247 /* codec SSP */ 248 links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_codec); 249 if (!links[id].name) 250 return NULL; 251 252 links[id].id = id; 253 if (sof_ssp_amp_quirk & SOF_RT1308_SPEAKER_AMP_PRESENT) { 254 sof_rt1308_dai_link(&links[id]); 255 } else if (sof_ssp_amp_quirk & SOF_CS35L41_SPEAKER_AMP_PRESENT) { 256 cs35l41_set_dai_link(&links[id]); 257 } 258 links[id].platforms = platform_component; 259 links[id].num_platforms = ARRAY_SIZE(platform_component); 260 links[id].dpcm_playback = 1; 261 /* feedback from amplifier or firmware-generated echo reference */ 262 links[id].dpcm_capture = 1; 263 links[id].no_pcm = 1; 264 links[id].cpus = &cpus[id]; 265 links[id].num_cpus = 1; 266 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_codec); 267 if (!links[id].cpus->dai_name) 268 return NULL; 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 if (dmic_be_num > 1) { 279 /* set up 2 BE links at most */ 280 links[id + 1].name = "dmic16k"; 281 links[id + 1].cpus = &cpus[id + 1]; 282 links[id + 1].cpus->dai_name = "DMIC16k Pin"; 283 dmic_be_num = 2; 284 } 285 } 286 287 for (i = 0; i < dmic_be_num; i++) { 288 links[id].id = id; 289 links[id].num_cpus = 1; 290 links[id].codecs = dmic_component; 291 links[id].num_codecs = ARRAY_SIZE(dmic_component); 292 links[id].platforms = platform_component; 293 links[id].num_platforms = ARRAY_SIZE(platform_component); 294 links[id].ignore_suspend = 1; 295 links[id].dpcm_capture = 1; 296 links[id].no_pcm = 1; 297 id++; 298 } 299 300 /* HDMI playback */ 301 if (sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT) { 302 /* HDMI */ 303 if (hdmi_num > 0) { 304 idisp_components = devm_kcalloc(dev, 305 hdmi_num, 306 sizeof(struct snd_soc_dai_link_component), 307 GFP_KERNEL); 308 if (!idisp_components) 309 goto devm_err; 310 } 311 for (i = 1; i <= hdmi_num; i++) { 312 links[id].name = devm_kasprintf(dev, GFP_KERNEL, 313 "iDisp%d", i); 314 if (!links[id].name) 315 goto devm_err; 316 317 links[id].id = id; 318 links[id].cpus = &cpus[id]; 319 links[id].num_cpus = 1; 320 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, 321 "iDisp%d Pin", i); 322 if (!links[id].cpus->dai_name) 323 goto devm_err; 324 325 if (idisp_codec) { 326 idisp_components[i - 1].name = "ehdaudio0D2"; 327 idisp_components[i - 1].dai_name = devm_kasprintf(dev, 328 GFP_KERNEL, 329 "intel-hdmi-hifi%d", 330 i); 331 if (!idisp_components[i - 1].dai_name) 332 goto devm_err; 333 } else { 334 idisp_components[i - 1].name = "snd-soc-dummy"; 335 idisp_components[i - 1].dai_name = "snd-soc-dummy-dai"; 336 } 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].dpcm_playback = 1; 344 links[id].no_pcm = 1; 345 id++; 346 } 347 } 348 349 /* BT audio offload */ 350 if (sof_ssp_amp_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) { 351 int port = (sof_ssp_amp_quirk & SOF_BT_OFFLOAD_SSP_MASK) >> 352 SOF_BT_OFFLOAD_SSP_SHIFT; 353 354 links[id].id = id; 355 links[id].cpus = &cpus[id]; 356 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, 357 "SSP%d Pin", port); 358 if (!links[id].cpus->dai_name) 359 goto devm_err; 360 links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT", port); 361 if (!links[id].name) 362 goto devm_err; 363 links[id].codecs = dummy_component; 364 links[id].num_codecs = ARRAY_SIZE(dummy_component); 365 links[id].platforms = platform_component; 366 links[id].num_platforms = ARRAY_SIZE(platform_component); 367 links[id].dpcm_playback = 1; 368 links[id].dpcm_capture = 1; 369 links[id].no_pcm = 1; 370 links[id].num_cpus = 1; 371 id++; 372 } 373 374 return links; 375 devm_err: 376 return NULL; 377 } 378 379 static int sof_ssp_amp_probe(struct platform_device *pdev) 380 { 381 struct snd_soc_dai_link *dai_links; 382 struct snd_soc_acpi_mach *mach; 383 struct sof_card_private *ctx; 384 int dmic_be_num = 0, hdmi_num = 0; 385 int ret, ssp_codec; 386 387 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); 388 if (!ctx) 389 return -ENOMEM; 390 391 if (pdev->id_entry && pdev->id_entry->driver_data) 392 sof_ssp_amp_quirk = (unsigned long)pdev->id_entry->driver_data; 393 394 mach = pdev->dev.platform_data; 395 396 if (dmi_check_system(chromebook_platforms) || mach->mach_params.dmic_num > 0) 397 dmic_be_num = 2; 398 399 ssp_codec = sof_ssp_amp_quirk & SOF_AMPLIFIER_SSP_MASK; 400 401 /* set number of dai links */ 402 sof_ssp_amp_card.num_links = 1 + dmic_be_num; 403 404 if (sof_ssp_amp_quirk & SOF_SSP_HDMI_CAPTURE_PRESENT) 405 sof_ssp_amp_card.num_links += (sof_ssp_amp_quirk & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK) >> 406 SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT; 407 408 if (sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT) { 409 hdmi_num = (sof_ssp_amp_quirk & SOF_NO_OF_HDMI_PLAYBACK_MASK) >> 410 SOF_NO_OF_HDMI_PLAYBACK_SHIFT; 411 /* default number of HDMI DAI's */ 412 if (!hdmi_num) 413 hdmi_num = 3; 414 415 if (mach->mach_params.codec_mask & IDISP_CODEC_MASK) 416 ctx->idisp_codec = true; 417 418 sof_ssp_amp_card.num_links += hdmi_num; 419 } 420 421 if (sof_ssp_amp_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) 422 sof_ssp_amp_card.num_links++; 423 424 dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec, dmic_be_num, hdmi_num, ctx->idisp_codec); 425 if (!dai_links) 426 return -ENOMEM; 427 428 sof_ssp_amp_card.dai_link = dai_links; 429 430 /* update codec_conf */ 431 if (sof_ssp_amp_quirk & SOF_CS35L41_SPEAKER_AMP_PRESENT) { 432 cs35l41_set_codec_conf(&sof_ssp_amp_card); 433 } 434 435 INIT_LIST_HEAD(&ctx->hdmi_pcm_list); 436 437 sof_ssp_amp_card.dev = &pdev->dev; 438 439 /* set platform name for each dailink */ 440 ret = snd_soc_fixup_dai_links_platform_name(&sof_ssp_amp_card, 441 mach->mach_params.platform); 442 if (ret) 443 return ret; 444 445 ctx->common_hdmi_codec_drv = mach->mach_params.common_hdmi_codec_drv; 446 447 snd_soc_card_set_drvdata(&sof_ssp_amp_card, ctx); 448 449 return devm_snd_soc_register_card(&pdev->dev, &sof_ssp_amp_card); 450 } 451 452 static const struct platform_device_id board_ids[] = { 453 { 454 .name = "sof_ssp_amp", 455 }, 456 { 457 .name = "tgl_rt1308_hdmi_ssp", 458 .driver_data = (kernel_ulong_t)(SOF_AMPLIFIER_SSP(2) | 459 SOF_NO_OF_HDMI_CAPTURE_SSP(2) | 460 SOF_HDMI_CAPTURE_1_SSP(1) | 461 SOF_HDMI_CAPTURE_2_SSP(5) | 462 SOF_SSP_HDMI_CAPTURE_PRESENT | 463 SOF_RT1308_SPEAKER_AMP_PRESENT), 464 }, 465 { 466 .name = "adl_cs35l41", 467 .driver_data = (kernel_ulong_t)(SOF_AMPLIFIER_SSP(1) | 468 SOF_NO_OF_HDMI_PLAYBACK(4) | 469 SOF_HDMI_PLAYBACK_PRESENT | 470 SOF_BT_OFFLOAD_SSP(2) | 471 SOF_SSP_BT_OFFLOAD_PRESENT | 472 SOF_CS35L41_SPEAKER_AMP_PRESENT), 473 }, 474 { } 475 }; 476 MODULE_DEVICE_TABLE(platform, board_ids); 477 478 static struct platform_driver sof_ssp_amp_driver = { 479 .probe = sof_ssp_amp_probe, 480 .driver = { 481 .name = "sof_ssp_amp", 482 .pm = &snd_soc_pm_ops, 483 }, 484 .id_table = board_ids, 485 }; 486 module_platform_driver(sof_ssp_amp_driver); 487 488 MODULE_DESCRIPTION("ASoC Intel(R) SOF Amplifier Machine driver"); 489 MODULE_AUTHOR("balamurugan.c <balamurugan.c@intel.com>"); 490 MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>"); 491 MODULE_LICENSE("GPL"); 492 MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON); 493 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_REALTEK_COMMON); 494 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_CIRRUS_COMMON); 495