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