1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // HDA audio driver for Cirrus Logic CS35L56 smart amp 4 // 5 // Copyright (C) 2023 Cirrus Logic, Inc. and 6 // Cirrus Logic International Semiconductor Ltd. 7 // 8 9 #include <linux/acpi.h> 10 #include <linux/debugfs.h> 11 #include <linux/gpio/consumer.h> 12 #include <linux/module.h> 13 #include <linux/pm_runtime.h> 14 #include <linux/regmap.h> 15 #include <linux/slab.h> 16 #include <sound/core.h> 17 #include <sound/cs-amp-lib.h> 18 #include <sound/hda_codec.h> 19 #include <sound/tlv.h> 20 #include "cirrus_scodec.h" 21 #include "cs35l56_hda.h" 22 #include "hda_component.h" 23 #include "../generic.h" 24 25 /* 26 * The cs35l56_hda_dai_config[] reg sequence configures the device as 27 * ASP1_BCLK_FREQ = 3.072 MHz 28 * ASP1_RX_WIDTH = 32 cycles per slot, ASP1_TX_WIDTH = 32 cycles per slot, ASP1_FMT = I2S 29 * ASP1_DOUT_HIZ_CONTROL = Hi-Z during unused timeslots 30 * ASP1_RX_WL = 24 bits per sample 31 * ASP1_TX_WL = 24 bits per sample 32 * ASP1_RXn_EN 1..3 and ASP1_TXn_EN 1..4 disabled 33 * 34 * Override any Windows-specific mixer settings applied by the firmware. 35 */ 36 static const struct reg_sequence cs35l56_hda_dai_config[] = { 37 { CS35L56_ASP1_CONTROL1, 0x00000021 }, 38 { CS35L56_ASP1_CONTROL2, 0x20200200 }, 39 { CS35L56_ASP1_CONTROL3, 0x00000003 }, 40 { CS35L56_ASP1_FRAME_CONTROL1, 0x03020100 }, 41 { CS35L56_ASP1_FRAME_CONTROL5, 0x00020100 }, 42 { CS35L56_ASP1_DATA_CONTROL5, 0x00000018 }, 43 { CS35L56_ASP1_DATA_CONTROL1, 0x00000018 }, 44 { CS35L56_ASP1_ENABLES1, 0x00000000 }, 45 { CS35L56_ASP1TX1_INPUT, 0x00000018 }, 46 { CS35L56_ASP1TX2_INPUT, 0x00000019 }, 47 { CS35L56_ASP1TX3_INPUT, 0x00000020 }, 48 { CS35L56_ASP1TX4_INPUT, 0x00000028 }, 49 50 }; 51 52 static void cs35l56_hda_wait_dsp_ready(struct cs35l56_hda *cs35l56) 53 { 54 /* Wait for patching to complete */ 55 flush_work(&cs35l56->dsp_work); 56 } 57 58 static void cs35l56_hda_play(struct cs35l56_hda *cs35l56) 59 { 60 unsigned int val; 61 int ret; 62 63 cs35l56_hda_wait_dsp_ready(cs35l56); 64 65 pm_runtime_get_sync(cs35l56->base.dev); 66 ret = cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_AUDIO_PLAY); 67 if (ret == 0) { 68 /* Wait for firmware to enter PS0 power state */ 69 ret = regmap_read_poll_timeout(cs35l56->base.regmap, 70 cs35l56->base.fw_reg->transducer_actual_ps, 71 val, (val == CS35L56_PS0), 72 CS35L56_PS0_POLL_US, 73 CS35L56_PS0_TIMEOUT_US); 74 if (ret) 75 dev_warn(cs35l56->base.dev, "PS0 wait failed: %d\n", ret); 76 } 77 regmap_set_bits(cs35l56->base.regmap, CS35L56_ASP1_ENABLES1, 78 BIT(CS35L56_ASP_RX1_EN_SHIFT) | BIT(CS35L56_ASP_RX2_EN_SHIFT) | 79 cs35l56->asp_tx_mask); 80 cs35l56->playing = true; 81 } 82 83 static void cs35l56_hda_pause(struct cs35l56_hda *cs35l56) 84 { 85 cs35l56->playing = false; 86 cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_AUDIO_PAUSE); 87 regmap_clear_bits(cs35l56->base.regmap, CS35L56_ASP1_ENABLES1, 88 BIT(CS35L56_ASP_RX1_EN_SHIFT) | BIT(CS35L56_ASP_RX2_EN_SHIFT) | 89 BIT(CS35L56_ASP_TX1_EN_SHIFT) | BIT(CS35L56_ASP_TX2_EN_SHIFT) | 90 BIT(CS35L56_ASP_TX3_EN_SHIFT) | BIT(CS35L56_ASP_TX4_EN_SHIFT)); 91 92 pm_runtime_put_autosuspend(cs35l56->base.dev); 93 } 94 95 static void cs35l56_hda_playback_hook(struct device *dev, int action) 96 { 97 struct cs35l56_hda *cs35l56 = dev_get_drvdata(dev); 98 99 dev_dbg(cs35l56->base.dev, "%s()%d: action: %d\n", __func__, __LINE__, action); 100 101 switch (action) { 102 case HDA_GEN_PCM_ACT_PREPARE: 103 if (cs35l56->playing) 104 break; 105 106 /* If we're suspended: flag that resume should start playback */ 107 if (cs35l56->suspended) { 108 cs35l56->playing = true; 109 break; 110 } 111 112 cs35l56_hda_play(cs35l56); 113 break; 114 case HDA_GEN_PCM_ACT_CLEANUP: 115 if (!cs35l56->playing) 116 break; 117 118 cs35l56_hda_pause(cs35l56); 119 break; 120 default: 121 break; 122 } 123 } 124 125 static int cs35l56_hda_runtime_suspend(struct device *dev) 126 { 127 struct cs35l56_hda *cs35l56 = dev_get_drvdata(dev); 128 129 if (cs35l56->cs_dsp.booted) 130 cs_dsp_stop(&cs35l56->cs_dsp); 131 132 return cs35l56_runtime_suspend_common(&cs35l56->base); 133 } 134 135 static int cs35l56_hda_runtime_resume(struct device *dev) 136 { 137 struct cs35l56_hda *cs35l56 = dev_get_drvdata(dev); 138 int ret; 139 140 ret = cs35l56_runtime_resume_common(&cs35l56->base, false); 141 if (ret < 0) 142 return ret; 143 144 if (cs35l56->cs_dsp.booted) { 145 ret = cs_dsp_run(&cs35l56->cs_dsp); 146 if (ret) { 147 dev_dbg(cs35l56->base.dev, "%s: cs_dsp_run ret %d\n", __func__, ret); 148 goto err; 149 } 150 } 151 152 return 0; 153 154 err: 155 cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_ALLOW_AUTO_HIBERNATE); 156 regmap_write(cs35l56->base.regmap, CS35L56_DSP_VIRTUAL1_MBOX_1, 157 CS35L56_MBOX_CMD_HIBERNATE_NOW); 158 159 regcache_cache_only(cs35l56->base.regmap, true); 160 161 return ret; 162 } 163 164 static int cs35l56_hda_mixer_info(struct snd_kcontrol *kcontrol, 165 struct snd_ctl_elem_info *uinfo) 166 { 167 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 168 uinfo->count = 1; 169 uinfo->value.enumerated.items = CS35L56_NUM_INPUT_SRC; 170 if (uinfo->value.enumerated.item >= CS35L56_NUM_INPUT_SRC) 171 uinfo->value.enumerated.item = CS35L56_NUM_INPUT_SRC - 1; 172 strscpy(uinfo->value.enumerated.name, cs35l56_tx_input_texts[uinfo->value.enumerated.item], 173 sizeof(uinfo->value.enumerated.name)); 174 175 return 0; 176 } 177 178 static int cs35l56_hda_mixer_get(struct snd_kcontrol *kcontrol, 179 struct snd_ctl_elem_value *ucontrol) 180 { 181 struct cs35l56_hda *cs35l56 = snd_kcontrol_chip(kcontrol); 182 unsigned int reg_val; 183 int i, ret; 184 185 cs35l56_hda_wait_dsp_ready(cs35l56); 186 187 ret = regmap_read(cs35l56->base.regmap, kcontrol->private_value, 188 ®_val); 189 if (ret) 190 return ret; 191 192 reg_val &= CS35L56_ASP_TXn_SRC_MASK; 193 194 for (i = 0; i < CS35L56_NUM_INPUT_SRC; ++i) { 195 if (cs35l56_tx_input_values[i] == reg_val) { 196 ucontrol->value.enumerated.item[0] = i; 197 break; 198 } 199 } 200 201 return 0; 202 } 203 204 static int cs35l56_hda_mixer_put(struct snd_kcontrol *kcontrol, 205 struct snd_ctl_elem_value *ucontrol) 206 { 207 struct cs35l56_hda *cs35l56 = snd_kcontrol_chip(kcontrol); 208 unsigned int item = ucontrol->value.enumerated.item[0]; 209 bool changed; 210 int ret; 211 212 if (item >= CS35L56_NUM_INPUT_SRC) 213 return -EINVAL; 214 215 cs35l56_hda_wait_dsp_ready(cs35l56); 216 217 ret = regmap_update_bits_check(cs35l56->base.regmap, 218 kcontrol->private_value, 219 CS35L56_INPUT_MASK, 220 cs35l56_tx_input_values[item], 221 &changed); 222 if (ret) 223 return ret; 224 225 return changed; 226 } 227 228 static int cs35l56_hda_posture_info(struct snd_kcontrol *kcontrol, 229 struct snd_ctl_elem_info *uinfo) 230 { 231 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 232 uinfo->count = 1; 233 uinfo->value.integer.min = CS35L56_MAIN_POSTURE_MIN; 234 uinfo->value.integer.max = CS35L56_MAIN_POSTURE_MAX; 235 return 0; 236 } 237 238 static int cs35l56_hda_posture_get(struct snd_kcontrol *kcontrol, 239 struct snd_ctl_elem_value *ucontrol) 240 { 241 struct cs35l56_hda *cs35l56 = snd_kcontrol_chip(kcontrol); 242 unsigned int pos; 243 int ret; 244 245 cs35l56_hda_wait_dsp_ready(cs35l56); 246 247 ret = regmap_read(cs35l56->base.regmap, 248 cs35l56->base.fw_reg->posture_number, &pos); 249 if (ret) 250 return ret; 251 252 ucontrol->value.integer.value[0] = pos; 253 254 return 0; 255 } 256 257 static int cs35l56_hda_posture_put(struct snd_kcontrol *kcontrol, 258 struct snd_ctl_elem_value *ucontrol) 259 { 260 struct cs35l56_hda *cs35l56 = snd_kcontrol_chip(kcontrol); 261 long pos = ucontrol->value.integer.value[0]; 262 bool changed; 263 int ret; 264 265 if ((pos < CS35L56_MAIN_POSTURE_MIN) || 266 (pos > CS35L56_MAIN_POSTURE_MAX)) 267 return -EINVAL; 268 269 cs35l56_hda_wait_dsp_ready(cs35l56); 270 271 ret = regmap_update_bits_check(cs35l56->base.regmap, cs35l56->base.fw_reg->posture_number, 272 CS35L56_MAIN_POSTURE_MASK, pos, &changed); 273 if (ret) 274 return ret; 275 276 return changed; 277 } 278 279 static const struct { 280 const char *name; 281 unsigned int reg; 282 } cs35l56_hda_mixer_controls[] = { 283 { "ASP1 TX1 Source", CS35L56_ASP1TX1_INPUT }, 284 { "ASP1 TX2 Source", CS35L56_ASP1TX2_INPUT }, 285 { "ASP1 TX3 Source", CS35L56_ASP1TX3_INPUT }, 286 { "ASP1 TX4 Source", CS35L56_ASP1TX4_INPUT }, 287 }; 288 289 static const DECLARE_TLV_DB_SCALE(cs35l56_hda_vol_tlv, -10000, 25, 0); 290 291 static int cs35l56_hda_vol_info(struct snd_kcontrol *kcontrol, 292 struct snd_ctl_elem_info *uinfo) 293 { 294 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 295 uinfo->count = 1; 296 uinfo->value.integer.step = 1; 297 uinfo->value.integer.min = 0; 298 uinfo->value.integer.max = CS35L56_MAIN_RENDER_USER_VOLUME_MAX - 299 CS35L56_MAIN_RENDER_USER_VOLUME_MIN; 300 301 return 0; 302 } 303 304 static int cs35l56_hda_vol_get(struct snd_kcontrol *kcontrol, 305 struct snd_ctl_elem_value *ucontrol) 306 { 307 struct cs35l56_hda *cs35l56 = snd_kcontrol_chip(kcontrol); 308 unsigned int raw_vol; 309 int vol; 310 int ret; 311 312 cs35l56_hda_wait_dsp_ready(cs35l56); 313 314 ret = regmap_read(cs35l56->base.regmap, cs35l56->base.fw_reg->user_volume, &raw_vol); 315 316 if (ret) 317 return ret; 318 319 vol = (s16)(raw_vol & 0xFFFF); 320 vol >>= CS35L56_MAIN_RENDER_USER_VOLUME_SHIFT; 321 322 if (vol & BIT(CS35L56_MAIN_RENDER_USER_VOLUME_SIGNBIT)) 323 vol |= ~((int)(BIT(CS35L56_MAIN_RENDER_USER_VOLUME_SIGNBIT) - 1)); 324 325 ucontrol->value.integer.value[0] = vol - CS35L56_MAIN_RENDER_USER_VOLUME_MIN; 326 327 return 0; 328 } 329 330 static int cs35l56_hda_vol_put(struct snd_kcontrol *kcontrol, 331 struct snd_ctl_elem_value *ucontrol) 332 { 333 struct cs35l56_hda *cs35l56 = snd_kcontrol_chip(kcontrol); 334 long vol = ucontrol->value.integer.value[0]; 335 unsigned int raw_vol; 336 bool changed; 337 int ret; 338 339 if ((vol < 0) || (vol > (CS35L56_MAIN_RENDER_USER_VOLUME_MAX - 340 CS35L56_MAIN_RENDER_USER_VOLUME_MIN))) 341 return -EINVAL; 342 343 raw_vol = (vol + CS35L56_MAIN_RENDER_USER_VOLUME_MIN) << 344 CS35L56_MAIN_RENDER_USER_VOLUME_SHIFT; 345 346 cs35l56_hda_wait_dsp_ready(cs35l56); 347 348 ret = regmap_update_bits_check(cs35l56->base.regmap, cs35l56->base.fw_reg->user_volume, 349 CS35L56_MAIN_RENDER_USER_VOLUME_MASK, raw_vol, &changed); 350 if (ret) 351 return ret; 352 353 return changed; 354 } 355 356 static void cs35l56_hda_create_controls(struct cs35l56_hda *cs35l56) 357 { 358 struct snd_kcontrol_new ctl_template = { 359 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 360 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 361 .info = cs35l56_hda_posture_info, 362 .get = cs35l56_hda_posture_get, 363 .put = cs35l56_hda_posture_put, 364 }; 365 char name[64]; 366 int i; 367 368 snprintf(name, sizeof(name), "%s Posture Number", cs35l56->amp_name); 369 ctl_template.name = name; 370 cs35l56->posture_ctl = snd_ctl_new1(&ctl_template, cs35l56); 371 if (snd_ctl_add(cs35l56->codec->card, cs35l56->posture_ctl)) 372 dev_err(cs35l56->base.dev, "Failed to add KControl: %s\n", ctl_template.name); 373 374 /* Mixer controls */ 375 ctl_template.info = cs35l56_hda_mixer_info; 376 ctl_template.get = cs35l56_hda_mixer_get; 377 ctl_template.put = cs35l56_hda_mixer_put; 378 379 BUILD_BUG_ON(ARRAY_SIZE(cs35l56->mixer_ctl) != ARRAY_SIZE(cs35l56_hda_mixer_controls)); 380 381 for (i = 0; i < ARRAY_SIZE(cs35l56_hda_mixer_controls); ++i) { 382 snprintf(name, sizeof(name), "%s %s", cs35l56->amp_name, 383 cs35l56_hda_mixer_controls[i].name); 384 ctl_template.private_value = cs35l56_hda_mixer_controls[i].reg; 385 cs35l56->mixer_ctl[i] = snd_ctl_new1(&ctl_template, cs35l56); 386 if (snd_ctl_add(cs35l56->codec->card, cs35l56->mixer_ctl[i])) { 387 dev_err(cs35l56->base.dev, "Failed to add KControl: %s\n", 388 ctl_template.name); 389 } 390 } 391 392 ctl_template.info = cs35l56_hda_vol_info; 393 ctl_template.get = cs35l56_hda_vol_get; 394 ctl_template.put = cs35l56_hda_vol_put; 395 ctl_template.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ); 396 ctl_template.tlv.p = cs35l56_hda_vol_tlv; 397 snprintf(name, sizeof(name), "%s Speaker Playback Volume", cs35l56->amp_name); 398 ctl_template.name = name; 399 cs35l56->volume_ctl = snd_ctl_new1(&ctl_template, cs35l56); 400 if (snd_ctl_add(cs35l56->codec->card, cs35l56->volume_ctl)) 401 dev_err(cs35l56->base.dev, "Failed to add KControl: %s\n", ctl_template.name); 402 } 403 404 static void cs35l56_hda_remove_controls(struct cs35l56_hda *cs35l56) 405 { 406 int i; 407 408 for (i = ARRAY_SIZE(cs35l56->mixer_ctl) - 1; i >= 0; i--) 409 snd_ctl_remove(cs35l56->codec->card, cs35l56->mixer_ctl[i]); 410 411 snd_ctl_remove(cs35l56->codec->card, cs35l56->posture_ctl); 412 snd_ctl_remove(cs35l56->codec->card, cs35l56->volume_ctl); 413 } 414 415 static int cs35l56_hda_request_firmware_file(struct cs35l56_hda *cs35l56, 416 const struct firmware **firmware, char **filename, 417 const char *base_name, const char *system_name, 418 const char *amp_name, 419 const char *filetype) 420 { 421 char *s, c; 422 int ret = 0; 423 424 if (system_name && amp_name) 425 *filename = kasprintf(GFP_KERNEL, "%s-%s-%s.%s", base_name, 426 system_name, amp_name, filetype); 427 else if (system_name) 428 *filename = kasprintf(GFP_KERNEL, "%s-%s.%s", base_name, 429 system_name, filetype); 430 else 431 *filename = kasprintf(GFP_KERNEL, "%s.%s", base_name, filetype); 432 433 if (!*filename) 434 return -ENOMEM; 435 436 /* 437 * Make sure that filename is lower-case and any non alpha-numeric 438 * characters except full stop and forward slash are replaced with 439 * hyphens. 440 */ 441 s = *filename; 442 while (*s) { 443 c = *s; 444 if (isalnum(c)) 445 *s = tolower(c); 446 else if (c != '.' && c != '/') 447 *s = '-'; 448 s++; 449 } 450 451 ret = firmware_request_nowarn(firmware, *filename, cs35l56->base.dev); 452 if (ret) { 453 dev_dbg(cs35l56->base.dev, "Failed to request '%s'\n", *filename); 454 kfree(*filename); 455 *filename = NULL; 456 return ret; 457 } 458 459 dev_dbg(cs35l56->base.dev, "Found '%s'\n", *filename); 460 461 return 0; 462 } 463 464 static void cs35l56_hda_request_firmware_files(struct cs35l56_hda *cs35l56, 465 unsigned int preloaded_fw_ver, 466 const struct firmware **wmfw_firmware, 467 char **wmfw_filename, 468 const struct firmware **coeff_firmware, 469 char **coeff_filename) 470 { 471 const char *system_name = cs35l56->system_name; 472 const char *amp_name = cs35l56->amp_name; 473 char base_name[37]; 474 int ret; 475 476 if (preloaded_fw_ver) { 477 snprintf(base_name, sizeof(base_name), 478 "cirrus/cs35l%02x-%02x%s-%06x-dsp1-misc", 479 cs35l56->base.type, 480 cs35l56->base.rev, 481 cs35l56->base.secured ? "-s" : "", 482 preloaded_fw_ver & 0xffffff); 483 } else { 484 snprintf(base_name, sizeof(base_name), 485 "cirrus/cs35l%02x-%02x%s-dsp1-misc", 486 cs35l56->base.type, 487 cs35l56->base.rev, 488 cs35l56->base.secured ? "-s" : ""); 489 } 490 491 if (system_name && amp_name) { 492 if (!cs35l56_hda_request_firmware_file(cs35l56, wmfw_firmware, wmfw_filename, 493 base_name, system_name, amp_name, "wmfw")) { 494 cs35l56_hda_request_firmware_file(cs35l56, coeff_firmware, coeff_filename, 495 base_name, system_name, amp_name, "bin"); 496 return; 497 } 498 } 499 500 if (system_name) { 501 if (!cs35l56_hda_request_firmware_file(cs35l56, wmfw_firmware, wmfw_filename, 502 base_name, system_name, NULL, "wmfw")) { 503 if (amp_name) 504 cs35l56_hda_request_firmware_file(cs35l56, 505 coeff_firmware, coeff_filename, 506 base_name, system_name, 507 amp_name, "bin"); 508 if (!*coeff_firmware) 509 cs35l56_hda_request_firmware_file(cs35l56, 510 coeff_firmware, coeff_filename, 511 base_name, system_name, 512 NULL, "bin"); 513 return; 514 } 515 } 516 517 ret = cs35l56_hda_request_firmware_file(cs35l56, wmfw_firmware, wmfw_filename, 518 base_name, NULL, NULL, "wmfw"); 519 if (!ret) { 520 cs35l56_hda_request_firmware_file(cs35l56, coeff_firmware, coeff_filename, 521 base_name, NULL, NULL, "bin"); 522 return; 523 } 524 525 if (!*coeff_firmware) 526 cs35l56_hda_request_firmware_file(cs35l56, coeff_firmware, coeff_filename, 527 base_name, NULL, NULL, "bin"); 528 } 529 530 static void cs35l56_hda_release_firmware_files(const struct firmware *wmfw_firmware, 531 char *wmfw_filename, 532 const struct firmware *coeff_firmware, 533 char *coeff_filename) 534 { 535 release_firmware(wmfw_firmware); 536 kfree(wmfw_filename); 537 538 release_firmware(coeff_firmware); 539 kfree(coeff_filename); 540 } 541 542 static int cs35l56_hda_apply_calibration(struct cs35l56_hda *cs35l56) 543 { 544 int ret; 545 546 if (!cs35l56->base.cal_data_valid || cs35l56->base.secured) 547 return -EACCES; 548 549 ret = cs_amp_write_cal_coeffs(&cs35l56->cs_dsp, 550 &cs35l56_calibration_controls, 551 &cs35l56->base.cal_data); 552 if (ret < 0) { 553 dev_warn(cs35l56->base.dev, "Failed to write calibration: %d\n", ret); 554 return ret; 555 } 556 557 dev_info(cs35l56->base.dev, "Calibration applied\n"); 558 559 return 0; 560 } 561 562 static void cs35l56_hda_fw_load(struct cs35l56_hda *cs35l56) 563 { 564 const struct firmware *coeff_firmware = NULL; 565 const struct firmware *wmfw_firmware = NULL; 566 char *coeff_filename = NULL; 567 char *wmfw_filename = NULL; 568 unsigned int preloaded_fw_ver; 569 bool firmware_missing; 570 int ret; 571 572 /* 573 * Prepare for a new DSP power-up. If the DSP has had firmware 574 * downloaded previously then it needs to be powered down so that it 575 * can be updated. 576 */ 577 if (cs35l56->base.fw_patched) 578 cs_dsp_power_down(&cs35l56->cs_dsp); 579 580 cs35l56->base.fw_patched = false; 581 582 PM_RUNTIME_ACQUIRE_IF_ENABLED(cs35l56->base.dev, pm); 583 ret = PM_RUNTIME_ACQUIRE_ERR(&pm); 584 if (ret < 0) { 585 dev_err(cs35l56->base.dev, "Failed to resume and get %d\n", ret); 586 return; 587 } 588 589 /* 590 * The firmware can only be upgraded if it is currently running 591 * from the built-in ROM. If not, the wmfw/bin must be for the 592 * version of firmware that is running on the chip. 593 */ 594 ret = cs35l56_read_prot_status(&cs35l56->base, &firmware_missing, &preloaded_fw_ver); 595 if (ret) 596 return; 597 598 if (firmware_missing) 599 preloaded_fw_ver = 0; 600 601 cs35l56_hda_request_firmware_files(cs35l56, preloaded_fw_ver, 602 &wmfw_firmware, &wmfw_filename, 603 &coeff_firmware, &coeff_filename); 604 605 /* If the BIOS didn't patch the firmware a wmfw and bin file are mandatory */ 606 if (firmware_missing) { 607 if (!wmfw_firmware) { 608 dev_err(cs35l56->base.dev, ".%s file required but not found\n", "wmfw"); 609 goto err_fw_release; 610 } else if (!coeff_firmware) { 611 dev_err(cs35l56->base.dev, ".%s file required but not found\n", "bin"); 612 goto err_fw_release; 613 } 614 } 615 616 mutex_lock(&cs35l56->base.irq_lock); 617 618 /* 619 * If the firmware hasn't been patched it must be shutdown before 620 * doing a full patch and reset afterwards. If it is already 621 * running a patched version the firmware files only contain 622 * tunings and we can use the lower cost reinit sequence instead. 623 */ 624 if (firmware_missing && (wmfw_firmware || coeff_firmware)) { 625 ret = cs35l56_firmware_shutdown(&cs35l56->base); 626 if (ret) 627 goto err; 628 } 629 630 ret = cs_dsp_power_up(&cs35l56->cs_dsp, wmfw_firmware, wmfw_filename, 631 coeff_firmware, coeff_filename, "misc"); 632 if (ret) { 633 dev_dbg(cs35l56->base.dev, "%s: cs_dsp_power_up ret %d\n", __func__, ret); 634 goto err; 635 } 636 637 if (wmfw_filename) 638 dev_dbg(cs35l56->base.dev, "Loaded WMFW Firmware: %s\n", wmfw_filename); 639 640 if (coeff_filename) 641 dev_dbg(cs35l56->base.dev, "Loaded Coefficients: %s\n", coeff_filename); 642 643 /* If we downloaded firmware, reset the device and wait for it to boot */ 644 if (firmware_missing && (wmfw_firmware || coeff_firmware)) { 645 cs35l56_system_reset(&cs35l56->base, false); 646 regcache_mark_dirty(cs35l56->base.regmap); 647 ret = cs35l56_wait_for_firmware_boot(&cs35l56->base); 648 if (ret) 649 goto err_powered_up; 650 651 regcache_cache_only(cs35l56->base.regmap, false); 652 } 653 654 /* Disable auto-hibernate so that runtime_pm has control */ 655 ret = cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_PREVENT_AUTO_HIBERNATE); 656 if (ret) 657 goto err_powered_up; 658 659 regcache_sync(cs35l56->base.regmap); 660 661 regmap_clear_bits(cs35l56->base.regmap, 662 cs35l56->base.fw_reg->prot_sts, 663 CS35L56_FIRMWARE_MISSING); 664 cs35l56->base.fw_patched = true; 665 666 ret = cs_dsp_run(&cs35l56->cs_dsp); 667 if (ret) 668 dev_dbg(cs35l56->base.dev, "%s: cs_dsp_run ret %d\n", __func__, ret); 669 670 /* Don't need to check return code, it's not fatal if this fails */ 671 cs35l56_hda_apply_calibration(cs35l56); 672 673 ret = cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_AUDIO_REINIT); 674 if (ret) 675 cs_dsp_stop(&cs35l56->cs_dsp); 676 677 cs35l56_log_tuning(&cs35l56->base, &cs35l56->cs_dsp); 678 679 err_powered_up: 680 if (!cs35l56->base.fw_patched) 681 cs_dsp_power_down(&cs35l56->cs_dsp); 682 err: 683 mutex_unlock(&cs35l56->base.irq_lock); 684 err_fw_release: 685 cs35l56_hda_release_firmware_files(wmfw_firmware, wmfw_filename, 686 coeff_firmware, coeff_filename); 687 } 688 689 static void cs35l56_hda_dsp_work(struct work_struct *work) 690 { 691 struct cs35l56_hda *cs35l56 = container_of(work, struct cs35l56_hda, dsp_work); 692 693 cs35l56_hda_fw_load(cs35l56); 694 } 695 696 static ssize_t cs35l56_hda_debugfs_calibrate_write(struct file *file, 697 const char __user *from, 698 size_t count, loff_t *ppos) 699 { 700 struct cs35l56_base *cs35l56_base = file->private_data; 701 ssize_t ret; 702 703 PM_RUNTIME_ACQUIRE_IF_ENABLED_AUTOSUSPEND(cs35l56_base->dev, pm); 704 ret = PM_RUNTIME_ACQUIRE_ERR(&pm); 705 if (ret) 706 return ret; 707 708 return cs35l56_calibrate_debugfs_write(cs35l56_base, from, count, ppos); 709 } 710 711 static ssize_t cs35l56_hda_debugfs_cal_temperature_write(struct file *file, 712 const char __user *from, 713 size_t count, loff_t *ppos) 714 { 715 struct cs35l56_base *cs35l56_base = file->private_data; 716 ssize_t ret; 717 718 PM_RUNTIME_ACQUIRE_IF_ENABLED_AUTOSUSPEND(cs35l56_base->dev, pm); 719 ret = PM_RUNTIME_ACQUIRE_ERR(&pm); 720 if (ret) 721 return ret; 722 723 return cs35l56_cal_ambient_debugfs_write(cs35l56_base, from, count, ppos); 724 } 725 726 static ssize_t cs35l56_hda_debugfs_cal_data_read(struct file *file, 727 char __user *to, 728 size_t count, loff_t *ppos) 729 { 730 struct cs35l56_base *cs35l56_base = file->private_data; 731 ssize_t ret; 732 733 PM_RUNTIME_ACQUIRE_IF_ENABLED_AUTOSUSPEND(cs35l56_base->dev, pm); 734 ret = PM_RUNTIME_ACQUIRE_ERR(&pm); 735 if (ret) 736 return ret; 737 738 return cs35l56_cal_data_debugfs_read(cs35l56_base, to, count, ppos); 739 } 740 741 static ssize_t cs35l56_hda_debugfs_cal_data_write(struct file *file, 742 const char __user *from, 743 size_t count, loff_t *ppos) 744 { 745 struct cs35l56_base *cs35l56_base = file->private_data; 746 struct cs35l56_hda *cs35l56 = cs35l56_hda_from_base(cs35l56_base); 747 ssize_t ret; 748 749 ret = cs35l56_cal_data_debugfs_write(cs35l56_base, from, count, ppos); 750 if (ret == -ENODATA) 751 return count; /* Ignore writes of empty cal blobs */ 752 753 if (ret < 0) 754 return ret; 755 756 PM_RUNTIME_ACQUIRE_IF_ENABLED_AUTOSUSPEND(cs35l56_base->dev, pm); 757 ret = PM_RUNTIME_ACQUIRE_ERR(&pm); 758 if (ret) 759 return ret; 760 761 ret = cs35l56_hda_apply_calibration(cs35l56); 762 if (ret == 0) 763 cs35l56_mbox_send(cs35l56_base, CS35L56_MBOX_CMD_AUDIO_REINIT); 764 else 765 count = -EIO; 766 767 return count; 768 } 769 770 static const struct cs35l56_cal_debugfs_fops cs35l56_hda_cal_debugfs_fops = { 771 .calibrate = { 772 .write = cs35l56_hda_debugfs_calibrate_write, 773 }, 774 .cal_temperature = { 775 .write = cs35l56_hda_debugfs_cal_temperature_write, 776 }, 777 .cal_data = { 778 .read = cs35l56_hda_debugfs_cal_data_read, 779 .write = cs35l56_hda_debugfs_cal_data_write, 780 }, 781 }; 782 783 static int cs35l56_hda_bind(struct device *dev, struct device *master, void *master_data) 784 { 785 struct cs35l56_hda *cs35l56 = dev_get_drvdata(dev); 786 struct hda_component_parent *parent = master_data; 787 struct hda_component *comp; 788 789 comp = hda_component_from_index(parent, cs35l56->index); 790 if (!comp) 791 return -EINVAL; 792 793 if (comp->dev) 794 return -EBUSY; 795 796 comp->dev = dev; 797 cs35l56->codec = parent->codec; 798 strscpy(comp->name, dev_name(dev), sizeof(comp->name)); 799 comp->playback_hook = cs35l56_hda_playback_hook; 800 801 queue_work(system_long_wq, &cs35l56->dsp_work); 802 803 cs35l56_hda_create_controls(cs35l56); 804 805 #if IS_ENABLED(CONFIG_SND_DEBUG) 806 cs35l56->debugfs_root = debugfs_create_dir(dev_name(cs35l56->base.dev), sound_debugfs_root); 807 cs_dsp_init_debugfs(&cs35l56->cs_dsp, cs35l56->debugfs_root); 808 #endif 809 810 if (IS_ENABLED(CONFIG_SND_HDA_SCODEC_CS35L56_CAL_DEBUGFS)) 811 cs35l56_create_cal_debugfs(&cs35l56->base, &cs35l56_hda_cal_debugfs_fops); 812 813 dev_dbg(cs35l56->base.dev, "Bound\n"); 814 815 return 0; 816 } 817 818 static void cs35l56_hda_unbind(struct device *dev, struct device *master, void *master_data) 819 { 820 struct cs35l56_hda *cs35l56 = dev_get_drvdata(dev); 821 struct hda_component_parent *parent = master_data; 822 struct hda_component *comp; 823 824 cancel_work_sync(&cs35l56->dsp_work); 825 826 cs35l56_remove_cal_debugfs(&cs35l56->base); 827 cs35l56_hda_remove_controls(cs35l56); 828 829 #if IS_ENABLED(CONFIG_SND_DEBUG) 830 cs_dsp_cleanup_debugfs(&cs35l56->cs_dsp); 831 debugfs_remove_recursive(cs35l56->debugfs_root); 832 #endif 833 834 if (cs35l56->base.fw_patched) 835 cs_dsp_power_down(&cs35l56->cs_dsp); 836 837 comp = hda_component_from_index(parent, cs35l56->index); 838 if (comp && (comp->dev == dev)) 839 memset(comp, 0, sizeof(*comp)); 840 841 cs35l56->codec = NULL; 842 843 dev_dbg(cs35l56->base.dev, "Unbound\n"); 844 } 845 846 static const struct component_ops cs35l56_hda_comp_ops = { 847 .bind = cs35l56_hda_bind, 848 .unbind = cs35l56_hda_unbind, 849 }; 850 851 static int cs35l56_hda_system_suspend(struct device *dev) 852 { 853 struct cs35l56_hda *cs35l56 = dev_get_drvdata(dev); 854 855 cs35l56_hda_wait_dsp_ready(cs35l56); 856 857 if (cs35l56->playing) 858 cs35l56_hda_pause(cs35l56); 859 860 cs35l56->suspended = true; 861 862 /* 863 * The interrupt line is normally shared, but after we start suspending 864 * we can't check if our device is the source of an interrupt, and can't 865 * clear it. Prevent this race by temporarily disabling the parent irq 866 * until we reach _no_irq. 867 */ 868 if (cs35l56->base.irq) 869 disable_irq(cs35l56->base.irq); 870 871 return pm_runtime_force_suspend(dev); 872 } 873 874 static int cs35l56_hda_system_suspend_late(struct device *dev) 875 { 876 struct cs35l56_hda *cs35l56 = dev_get_drvdata(dev); 877 878 /* 879 * RESET is usually shared by all amps so it must not be asserted until 880 * all driver instances have done their suspend() stage. 881 */ 882 if (cs35l56->base.reset_gpio) { 883 gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); 884 cs35l56_wait_min_reset_pulse(); 885 } 886 887 return 0; 888 } 889 890 static int cs35l56_hda_system_suspend_no_irq(struct device *dev) 891 { 892 struct cs35l56_hda *cs35l56 = dev_get_drvdata(dev); 893 894 /* Handlers are now disabled so the parent IRQ can safely be re-enabled. */ 895 if (cs35l56->base.irq) 896 enable_irq(cs35l56->base.irq); 897 898 return 0; 899 } 900 901 static int cs35l56_hda_system_resume_no_irq(struct device *dev) 902 { 903 struct cs35l56_hda *cs35l56 = dev_get_drvdata(dev); 904 905 /* 906 * WAKE interrupts unmask if the CS35L56 hibernates, which can cause 907 * spurious interrupts, and the interrupt line is normally shared. 908 * We can't check if our device is the source of an interrupt, and can't 909 * clear it, until it has fully resumed. Prevent this race by temporarily 910 * disabling the parent irq until we complete resume(). 911 */ 912 if (cs35l56->base.irq) 913 disable_irq(cs35l56->base.irq); 914 915 return 0; 916 } 917 918 static int cs35l56_hda_system_resume_early(struct device *dev) 919 { 920 struct cs35l56_hda *cs35l56 = dev_get_drvdata(dev); 921 922 /* Ensure a spec-compliant RESET pulse. */ 923 if (cs35l56->base.reset_gpio) { 924 gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); 925 cs35l56_wait_min_reset_pulse(); 926 927 /* Release shared RESET before drivers start resume(). */ 928 gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 1); 929 cs35l56_wait_control_port_ready(); 930 } 931 932 return 0; 933 } 934 935 static int cs35l56_hda_system_resume(struct device *dev) 936 { 937 struct cs35l56_hda *cs35l56 = dev_get_drvdata(dev); 938 int ret; 939 940 /* Undo pm_runtime_force_suspend() before re-enabling the irq */ 941 ret = pm_runtime_force_resume(dev); 942 if (cs35l56->base.irq) 943 enable_irq(cs35l56->base.irq); 944 945 if (ret) 946 return ret; 947 948 cs35l56->suspended = false; 949 950 if (!cs35l56->codec) 951 return 0; 952 953 ret = cs35l56_is_fw_reload_needed(&cs35l56->base); 954 dev_dbg(cs35l56->base.dev, "fw_reload_needed: %d\n", ret); 955 if (ret > 0) 956 queue_work(system_long_wq, &cs35l56->dsp_work); 957 958 if (cs35l56->playing) 959 cs35l56_hda_play(cs35l56); 960 961 return 0; 962 } 963 964 static int cs35l56_hda_fixup_yoga9(struct cs35l56_hda *cs35l56, int *bus_addr) 965 { 966 /* The cirrus,dev-index property has the wrong values */ 967 cs35l56->num_amps = 2; 968 switch (*bus_addr) { 969 case 0x30: 970 cs35l56->index = 1; 971 return 0; 972 case 0x31: 973 cs35l56->index = 0; 974 return 0; 975 default: 976 /* There is a pseudo-address for broadcast to both amps - ignore it */ 977 dev_dbg(cs35l56->base.dev, "Ignoring I2C address %#x\n", *bus_addr); 978 return 0; 979 } 980 } 981 982 static const struct { 983 const char *sub; 984 int (*fixup_fn)(struct cs35l56_hda *cs35l56, int *bus_addr); 985 } cs35l56_hda_fixups[] = { 986 { 987 .sub = "17AA390B", /* Lenovo Yoga Book 9i GenX */ 988 .fixup_fn = cs35l56_hda_fixup_yoga9, 989 }, 990 }; 991 992 static int cs35l56_hda_apply_platform_fixups(struct cs35l56_hda *cs35l56, const char *sub, 993 int *bus_addr) 994 { 995 int i; 996 997 if (IS_ERR(sub)) 998 return 0; 999 1000 for (i = 0; i < ARRAY_SIZE(cs35l56_hda_fixups); i++) { 1001 if (strcasecmp(cs35l56_hda_fixups[i].sub, sub) == 0) { 1002 dev_dbg(cs35l56->base.dev, "Applying fixup for %s\n", 1003 cs35l56_hda_fixups[i].sub); 1004 return (cs35l56_hda_fixups[i].fixup_fn)(cs35l56, bus_addr); 1005 } 1006 } 1007 1008 return 0; 1009 } 1010 1011 static int cs35l56_hda_read_acpi(struct cs35l56_hda *cs35l56, int hid, int id) 1012 { 1013 u32 values[HDA_MAX_COMPONENTS]; 1014 char hid_string[8]; 1015 struct acpi_device *adev; 1016 const char *property; 1017 int i, ret; 1018 1019 /* 1020 * ACPI_COMPANION isn't available when this driver was instantiated by 1021 * the serial-multi-instantiate driver, so lookup the node by HID 1022 */ 1023 if (!ACPI_COMPANION(cs35l56->base.dev)) { 1024 snprintf(hid_string, sizeof(hid_string), "CSC%04X", hid); 1025 adev = acpi_dev_get_first_match_dev(hid_string, NULL, -1); 1026 if (!adev) { 1027 dev_err(cs35l56->base.dev, "Failed to find an ACPI device for %s\n", 1028 dev_name(cs35l56->base.dev)); 1029 return -ENODEV; 1030 } 1031 ACPI_COMPANION_SET(cs35l56->base.dev, adev); 1032 acpi_dev_put(adev); 1033 } 1034 1035 /* Initialize things that could be overwritten by a fixup */ 1036 cs35l56->index = -1; 1037 1038 const char *sub __free(kfree) = acpi_get_subsystem_id(ACPI_HANDLE(cs35l56->base.dev)); 1039 1040 ret = cs35l56_hda_apply_platform_fixups(cs35l56, sub, &id); 1041 if (ret) 1042 return ret; 1043 1044 if (cs35l56->index == -1) { 1045 property = "cirrus,dev-index"; 1046 ret = device_property_count_u32(cs35l56->base.dev, property); 1047 if (ret <= 0) 1048 goto err; 1049 1050 if (ret > ARRAY_SIZE(values)) { 1051 ret = -EINVAL; 1052 goto err; 1053 } 1054 cs35l56->num_amps = ret; 1055 1056 ret = device_property_read_u32_array(cs35l56->base.dev, property, values, 1057 cs35l56->num_amps); 1058 if (ret) 1059 goto err; 1060 1061 for (i = 0; i < cs35l56->num_amps; i++) { 1062 if (values[i] == id) { 1063 cs35l56->index = i; 1064 break; 1065 } 1066 } 1067 1068 /* 1069 * It's not an error for the ID to be missing: for I2C there can be 1070 * an alias address that is not a real device. So reject silently. 1071 */ 1072 if (cs35l56->index == -1) { 1073 dev_dbg(cs35l56->base.dev, "No index found in %s\n", property); 1074 ret = -ENODEV; 1075 goto err; 1076 } 1077 } 1078 1079 if (IS_ERR(sub)) { 1080 dev_info(cs35l56->base.dev, 1081 "Read ACPI _SUB failed(%ld): fallback to generic firmware\n", 1082 PTR_ERR(sub)); 1083 } else { 1084 ret = cirrus_scodec_get_speaker_id(cs35l56->base.dev, cs35l56->index, 1085 cs35l56->num_amps, -1); 1086 if (ret == -ENOENT) { 1087 cs35l56->system_name = devm_kstrdup(cs35l56->base.dev, sub, GFP_KERNEL); 1088 } else if (ret >= 0) { 1089 cs35l56->system_name = devm_kasprintf(cs35l56->base.dev, GFP_KERNEL, 1090 "%s-spkid%d", sub, ret); 1091 } else { 1092 return ret; 1093 } 1094 1095 if (!cs35l56->system_name) 1096 return -ENOMEM; 1097 } 1098 1099 cs35l56->base.reset_gpio = devm_gpiod_get_index_optional(cs35l56->base.dev, 1100 "reset", 1101 cs35l56->index, 1102 GPIOD_OUT_LOW); 1103 if (IS_ERR(cs35l56->base.reset_gpio)) { 1104 ret = PTR_ERR(cs35l56->base.reset_gpio); 1105 1106 /* 1107 * If RESET is shared the first amp to probe will grab the reset 1108 * line and reset all the amps 1109 */ 1110 if (ret != -EBUSY) 1111 return dev_err_probe(cs35l56->base.dev, ret, "Failed to get reset GPIO\n"); 1112 1113 dev_info(cs35l56->base.dev, "Reset GPIO busy, assume shared reset\n"); 1114 cs35l56->base.reset_gpio = NULL; 1115 } 1116 1117 return 0; 1118 1119 err: 1120 if (ret != -ENODEV) 1121 dev_err(cs35l56->base.dev, "Failed property %s: %d\n", property, ret); 1122 1123 return ret; 1124 } 1125 1126 int cs35l56_hda_common_probe(struct cs35l56_hda *cs35l56, int hid, int id) 1127 { 1128 int ret; 1129 1130 mutex_init(&cs35l56->base.irq_lock); 1131 dev_set_drvdata(cs35l56->base.dev, cs35l56); 1132 1133 INIT_WORK(&cs35l56->dsp_work, cs35l56_hda_dsp_work); 1134 1135 ret = cs35l56_hda_read_acpi(cs35l56, hid, id); 1136 if (ret) 1137 goto err; 1138 1139 cs35l56->amp_name = devm_kasprintf(cs35l56->base.dev, GFP_KERNEL, "AMP%d", 1140 cs35l56->index + 1); 1141 if (!cs35l56->amp_name) { 1142 ret = -ENOMEM; 1143 goto err; 1144 } 1145 1146 cs35l56->base.type = hid & 0xff; 1147 cs35l56->base.cal_index = cs35l56->index; 1148 1149 cs35l56_init_cs_dsp(&cs35l56->base, &cs35l56->cs_dsp); 1150 1151 if (cs35l56->base.reset_gpio) { 1152 dev_dbg(cs35l56->base.dev, "Hard reset\n"); 1153 1154 /* 1155 * The GPIOD_OUT_LOW to *_gpiod_get_*() will be ignored if the 1156 * ACPI defines a different default state. So explicitly set low. 1157 */ 1158 gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); 1159 cs35l56_wait_min_reset_pulse(); 1160 gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 1); 1161 } 1162 1163 ret = cs35l56_hw_init(&cs35l56->base); 1164 if (ret < 0) 1165 goto err; 1166 1167 /* Reset the device and wait for it to boot */ 1168 cs35l56_system_reset(&cs35l56->base, false); 1169 ret = cs35l56_wait_for_firmware_boot(&cs35l56->base); 1170 if (ret) 1171 goto err; 1172 1173 regcache_cache_only(cs35l56->base.regmap, false); 1174 1175 ret = cs35l56_set_patch(&cs35l56->base); 1176 if (ret) 1177 goto err; 1178 1179 regcache_mark_dirty(cs35l56->base.regmap); 1180 regcache_sync(cs35l56->base.regmap); 1181 1182 /* Disable auto-hibernate so that runtime_pm has control */ 1183 ret = cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_PREVENT_AUTO_HIBERNATE); 1184 if (ret) 1185 goto err; 1186 1187 ret = cs35l56_get_calibration(&cs35l56->base); 1188 if (ret) 1189 goto err; 1190 1191 ret = cs_dsp_halo_init(&cs35l56->cs_dsp); 1192 if (ret) { 1193 dev_err_probe(cs35l56->base.dev, ret, "cs_dsp_halo_init failed\n"); 1194 goto err; 1195 } 1196 1197 dev_info(cs35l56->base.dev, "DSP system name: '%s', amp name: '%s'\n", 1198 cs35l56->system_name, cs35l56->amp_name); 1199 1200 regmap_multi_reg_write(cs35l56->base.regmap, cs35l56_hda_dai_config, 1201 ARRAY_SIZE(cs35l56_hda_dai_config)); 1202 1203 /* 1204 * By default only enable one ASP1TXn, where n=amplifier index, 1205 * This prevents multiple amps trying to drive the same slot. 1206 */ 1207 cs35l56->asp_tx_mask = BIT(cs35l56->index); 1208 1209 pm_runtime_set_autosuspend_delay(cs35l56->base.dev, 3000); 1210 pm_runtime_use_autosuspend(cs35l56->base.dev); 1211 pm_runtime_set_active(cs35l56->base.dev); 1212 pm_runtime_mark_last_busy(cs35l56->base.dev); 1213 pm_runtime_enable(cs35l56->base.dev); 1214 1215 cs35l56->base.init_done = true; 1216 1217 ret = component_add(cs35l56->base.dev, &cs35l56_hda_comp_ops); 1218 if (ret) { 1219 dev_err(cs35l56->base.dev, "Register component failed: %d\n", ret); 1220 goto pm_err; 1221 } 1222 1223 return 0; 1224 1225 pm_err: 1226 pm_runtime_disable(cs35l56->base.dev); 1227 cs_dsp_remove(&cs35l56->cs_dsp); 1228 err: 1229 gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); 1230 1231 return ret; 1232 } 1233 EXPORT_SYMBOL_NS_GPL(cs35l56_hda_common_probe, "SND_HDA_SCODEC_CS35L56"); 1234 1235 void cs35l56_hda_remove(struct device *dev) 1236 { 1237 struct cs35l56_hda *cs35l56 = dev_get_drvdata(dev); 1238 1239 component_del(cs35l56->base.dev, &cs35l56_hda_comp_ops); 1240 1241 pm_runtime_dont_use_autosuspend(cs35l56->base.dev); 1242 pm_runtime_get_sync(cs35l56->base.dev); 1243 pm_runtime_disable(cs35l56->base.dev); 1244 1245 cs_dsp_remove(&cs35l56->cs_dsp); 1246 1247 pm_runtime_put_noidle(cs35l56->base.dev); 1248 1249 gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); 1250 } 1251 EXPORT_SYMBOL_NS_GPL(cs35l56_hda_remove, "SND_HDA_SCODEC_CS35L56"); 1252 1253 const struct dev_pm_ops cs35l56_hda_pm_ops = { 1254 RUNTIME_PM_OPS(cs35l56_hda_runtime_suspend, cs35l56_hda_runtime_resume, NULL) 1255 SYSTEM_SLEEP_PM_OPS(cs35l56_hda_system_suspend, cs35l56_hda_system_resume) 1256 LATE_SYSTEM_SLEEP_PM_OPS(cs35l56_hda_system_suspend_late, 1257 cs35l56_hda_system_resume_early) 1258 NOIRQ_SYSTEM_SLEEP_PM_OPS(cs35l56_hda_system_suspend_no_irq, 1259 cs35l56_hda_system_resume_no_irq) 1260 }; 1261 EXPORT_SYMBOL_NS_GPL(cs35l56_hda_pm_ops, "SND_HDA_SCODEC_CS35L56"); 1262 1263 MODULE_DESCRIPTION("CS35L56 HDA Driver"); 1264 MODULE_IMPORT_NS("FW_CS_DSP"); 1265 MODULE_IMPORT_NS("SND_HDA_CIRRUS_SCODEC"); 1266 MODULE_IMPORT_NS("SND_SOC_CS35L56_SHARED"); 1267 MODULE_IMPORT_NS("SND_SOC_CS_AMP_LIB"); 1268 MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>"); 1269 MODULE_AUTHOR("Simon Trimmer <simont@opensource.cirrus.com>"); 1270 MODULE_LICENSE("GPL"); 1271 MODULE_FIRMWARE("cirrus/cs35l54-*.wmfw"); 1272 MODULE_FIRMWARE("cirrus/cs35l54-*.bin"); 1273 MODULE_FIRMWARE("cirrus/cs35l56-*.wmfw"); 1274 MODULE_FIRMWARE("cirrus/cs35l56-*.bin"); 1275