1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * wm8958-dsp2.c -- WM8958 DSP2 support 4 * 5 * Copyright 2011 Wolfson Microelectronics plc 6 * 7 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 8 */ 9 10 #include <linux/module.h> 11 #include <linux/moduleparam.h> 12 #include <linux/init.h> 13 #include <linux/delay.h> 14 #include <linux/pm.h> 15 #include <linux/i2c.h> 16 #include <linux/platform_device.h> 17 #include <linux/slab.h> 18 #include <sound/soc.h> 19 #include <sound/initval.h> 20 #include <sound/tlv.h> 21 #include <trace/events/asoc.h> 22 23 #include <linux/mfd/wm8994/core.h> 24 #include <linux/mfd/wm8994/registers.h> 25 #include <linux/mfd/wm8994/pdata.h> 26 #include <linux/mfd/wm8994/gpio.h> 27 28 #include <asm/unaligned.h> 29 30 #include "wm8994.h" 31 32 #define WM_FW_BLOCK_INFO 0xff 33 #define WM_FW_BLOCK_PM 0x00 34 #define WM_FW_BLOCK_X 0x01 35 #define WM_FW_BLOCK_Y 0x02 36 #define WM_FW_BLOCK_Z 0x03 37 #define WM_FW_BLOCK_I 0x06 38 #define WM_FW_BLOCK_A 0x08 39 #define WM_FW_BLOCK_C 0x0c 40 41 static int wm8958_dsp2_fw(struct snd_soc_component *component, const char *name, 42 const struct firmware *fw, bool check) 43 { 44 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 45 u64 data64; 46 u32 data32; 47 const u8 *data; 48 char *str; 49 size_t block_len, len; 50 int ret = 0; 51 52 /* Suppress unneeded downloads */ 53 if (wm8994->cur_fw == fw) 54 return 0; 55 56 if (fw->size < 32) { 57 dev_err(component->dev, "%s: firmware too short (%zd bytes)\n", 58 name, fw->size); 59 goto err; 60 } 61 62 if (memcmp(fw->data, "WMFW", 4) != 0) { 63 data32 = get_unaligned_be32(fw->data); 64 dev_err(component->dev, "%s: firmware has bad file magic %08x\n", 65 name, data32); 66 goto err; 67 } 68 69 len = get_unaligned_be32(fw->data + 4); 70 data32 = get_unaligned_be32(fw->data + 8); 71 72 if ((data32 >> 24) & 0xff) { 73 dev_err(component->dev, "%s: unsupported firmware version %d\n", 74 name, (data32 >> 24) & 0xff); 75 goto err; 76 } 77 if ((data32 & 0xffff) != 8958) { 78 dev_err(component->dev, "%s: unsupported target device %d\n", 79 name, data32 & 0xffff); 80 goto err; 81 } 82 if (((data32 >> 16) & 0xff) != 0xc) { 83 dev_err(component->dev, "%s: unsupported target core %d\n", 84 name, (data32 >> 16) & 0xff); 85 goto err; 86 } 87 88 if (check) { 89 data64 = get_unaligned_be64(fw->data + 24); 90 dev_info(component->dev, "%s timestamp %llx\n", name, data64); 91 } else { 92 snd_soc_component_write(component, 0x102, 0x2); 93 snd_soc_component_write(component, 0x900, 0x2); 94 } 95 96 data = fw->data + len; 97 len = fw->size - len; 98 while (len) { 99 if (len < 12) { 100 dev_err(component->dev, "%s short data block of %zd\n", 101 name, len); 102 goto err; 103 } 104 105 block_len = get_unaligned_be32(data + 4); 106 if (block_len + 8 > len) { 107 dev_err(component->dev, "%zd byte block longer than file\n", 108 block_len); 109 goto err; 110 } 111 if (block_len == 0) { 112 dev_err(component->dev, "Zero length block\n"); 113 goto err; 114 } 115 116 data32 = get_unaligned_be32(data); 117 118 switch ((data32 >> 24) & 0xff) { 119 case WM_FW_BLOCK_INFO: 120 /* Informational text */ 121 if (!check) 122 break; 123 124 str = kzalloc(block_len + 1, GFP_KERNEL); 125 if (str) { 126 memcpy(str, data + 8, block_len); 127 dev_info(component->dev, "%s: %s\n", name, str); 128 kfree(str); 129 } else { 130 dev_err(component->dev, "Out of memory\n"); 131 } 132 break; 133 case WM_FW_BLOCK_PM: 134 case WM_FW_BLOCK_X: 135 case WM_FW_BLOCK_Y: 136 case WM_FW_BLOCK_Z: 137 case WM_FW_BLOCK_I: 138 case WM_FW_BLOCK_A: 139 case WM_FW_BLOCK_C: 140 dev_dbg(component->dev, "%s: %zd bytes of %x@%x\n", name, 141 block_len, (data32 >> 24) & 0xff, 142 data32 & 0xffffff); 143 144 if (check) 145 break; 146 147 data32 &= 0xffffff; 148 149 wm8994_bulk_write(wm8994->wm8994, 150 data32 & 0xffffff, 151 block_len / 2, 152 (void *)(data + 8)); 153 154 break; 155 default: 156 dev_warn(component->dev, "%s: unknown block type %d\n", 157 name, (data32 >> 24) & 0xff); 158 break; 159 } 160 161 /* Round up to the next 32 bit word */ 162 block_len += block_len % 4; 163 164 data += block_len + 8; 165 len -= block_len + 8; 166 } 167 168 if (!check) { 169 dev_dbg(component->dev, "%s: download done\n", name); 170 wm8994->cur_fw = fw; 171 } else { 172 dev_info(component->dev, "%s: got firmware\n", name); 173 } 174 175 goto ok; 176 177 err: 178 ret = -EINVAL; 179 ok: 180 if (!check) { 181 snd_soc_component_write(component, 0x900, 0x0); 182 snd_soc_component_write(component, 0x102, 0x0); 183 } 184 185 return ret; 186 } 187 188 static void wm8958_dsp_start_mbc(struct snd_soc_component *component, int path) 189 { 190 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 191 struct wm8994 *control = wm8994->wm8994; 192 int i; 193 194 /* If the DSP is already running then noop */ 195 if (snd_soc_component_read(component, WM8958_DSP2_PROGRAM) & WM8958_DSP2_ENA) 196 return; 197 198 /* If we have MBC firmware download it */ 199 if (wm8994->mbc) 200 wm8958_dsp2_fw(component, "MBC", wm8994->mbc, false); 201 202 snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM, 203 WM8958_DSP2_ENA, WM8958_DSP2_ENA); 204 205 /* If we've got user supplied MBC settings use them */ 206 if (control->pdata.num_mbc_cfgs) { 207 struct wm8958_mbc_cfg *cfg 208 = &control->pdata.mbc_cfgs[wm8994->mbc_cfg]; 209 210 for (i = 0; i < ARRAY_SIZE(cfg->coeff_regs); i++) 211 snd_soc_component_write(component, i + WM8958_MBC_BAND_1_K_1, 212 cfg->coeff_regs[i]); 213 214 for (i = 0; i < ARRAY_SIZE(cfg->cutoff_regs); i++) 215 snd_soc_component_write(component, 216 i + WM8958_MBC_BAND_2_LOWER_CUTOFF_C1_1, 217 cfg->cutoff_regs[i]); 218 } 219 220 /* Run the DSP */ 221 snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL, 222 WM8958_DSP2_RUNR); 223 224 /* And we're off! */ 225 snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG, 226 WM8958_MBC_ENA | 227 WM8958_MBC_SEL_MASK, 228 path << WM8958_MBC_SEL_SHIFT | 229 WM8958_MBC_ENA); 230 } 231 232 static void wm8958_dsp_start_vss(struct snd_soc_component *component, int path) 233 { 234 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 235 struct wm8994 *control = wm8994->wm8994; 236 int i, ena; 237 238 if (wm8994->mbc_vss) 239 wm8958_dsp2_fw(component, "MBC+VSS", wm8994->mbc_vss, false); 240 241 snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM, 242 WM8958_DSP2_ENA, WM8958_DSP2_ENA); 243 244 /* If we've got user supplied settings use them */ 245 if (control->pdata.num_mbc_cfgs) { 246 struct wm8958_mbc_cfg *cfg 247 = &control->pdata.mbc_cfgs[wm8994->mbc_cfg]; 248 249 for (i = 0; i < ARRAY_SIZE(cfg->combined_regs); i++) 250 snd_soc_component_write(component, i + 0x2800, 251 cfg->combined_regs[i]); 252 } 253 254 if (control->pdata.num_vss_cfgs) { 255 struct wm8958_vss_cfg *cfg 256 = &control->pdata.vss_cfgs[wm8994->vss_cfg]; 257 258 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++) 259 snd_soc_component_write(component, i + 0x2600, cfg->regs[i]); 260 } 261 262 if (control->pdata.num_vss_hpf_cfgs) { 263 struct wm8958_vss_hpf_cfg *cfg 264 = &control->pdata.vss_hpf_cfgs[wm8994->vss_hpf_cfg]; 265 266 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++) 267 snd_soc_component_write(component, i + 0x2400, cfg->regs[i]); 268 } 269 270 /* Run the DSP */ 271 snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL, 272 WM8958_DSP2_RUNR); 273 274 /* Enable the algorithms we've selected */ 275 ena = 0; 276 if (wm8994->mbc_ena[path]) 277 ena |= 0x8; 278 if (wm8994->hpf2_ena[path]) 279 ena |= 0x4; 280 if (wm8994->hpf1_ena[path]) 281 ena |= 0x2; 282 if (wm8994->vss_ena[path]) 283 ena |= 0x1; 284 285 snd_soc_component_write(component, 0x2201, ena); 286 287 /* Switch the DSP into the data path */ 288 snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG, 289 WM8958_MBC_SEL_MASK | WM8958_MBC_ENA, 290 path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA); 291 } 292 293 static void wm8958_dsp_start_enh_eq(struct snd_soc_component *component, int path) 294 { 295 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 296 struct wm8994 *control = wm8994->wm8994; 297 int i; 298 299 wm8958_dsp2_fw(component, "ENH_EQ", wm8994->enh_eq, false); 300 301 snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM, 302 WM8958_DSP2_ENA, WM8958_DSP2_ENA); 303 304 /* If we've got user supplied settings use them */ 305 if (control->pdata.num_enh_eq_cfgs) { 306 struct wm8958_enh_eq_cfg *cfg 307 = &control->pdata.enh_eq_cfgs[wm8994->enh_eq_cfg]; 308 309 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++) 310 snd_soc_component_write(component, i + 0x2200, 311 cfg->regs[i]); 312 } 313 314 /* Run the DSP */ 315 snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL, 316 WM8958_DSP2_RUNR); 317 318 /* Switch the DSP into the data path */ 319 snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG, 320 WM8958_MBC_SEL_MASK | WM8958_MBC_ENA, 321 path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA); 322 } 323 324 static void wm8958_dsp_apply(struct snd_soc_component *component, int path, int start) 325 { 326 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 327 int pwr_reg = snd_soc_component_read(component, WM8994_POWER_MANAGEMENT_5); 328 int ena, reg, aif; 329 330 switch (path) { 331 case 0: 332 pwr_reg &= (WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC1R_ENA); 333 aif = 0; 334 break; 335 case 1: 336 pwr_reg &= (WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA); 337 aif = 0; 338 break; 339 case 2: 340 pwr_reg &= (WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA); 341 aif = 1; 342 break; 343 default: 344 WARN(1, "Invalid path %d\n", path); 345 return; 346 } 347 348 /* Do we have both an active AIF and an active algorithm? */ 349 ena = wm8994->mbc_ena[path] || wm8994->vss_ena[path] || 350 wm8994->hpf1_ena[path] || wm8994->hpf2_ena[path] || 351 wm8994->enh_eq_ena[path]; 352 if (!pwr_reg) 353 ena = 0; 354 355 reg = snd_soc_component_read(component, WM8958_DSP2_PROGRAM); 356 357 dev_dbg(component->dev, "DSP path %d %d startup: %d, power: %x, DSP: %x\n", 358 path, wm8994->dsp_active, start, pwr_reg, reg); 359 360 if (start && ena) { 361 /* If the DSP is already running then noop */ 362 if (reg & WM8958_DSP2_ENA) 363 return; 364 365 /* If either AIFnCLK is not yet enabled postpone */ 366 if (!(snd_soc_component_read(component, WM8994_AIF1_CLOCKING_1) 367 & WM8994_AIF1CLK_ENA_MASK) && 368 !(snd_soc_component_read(component, WM8994_AIF2_CLOCKING_1) 369 & WM8994_AIF2CLK_ENA_MASK)) 370 return; 371 372 /* Switch the clock over to the appropriate AIF */ 373 snd_soc_component_update_bits(component, WM8994_CLOCKING_1, 374 WM8958_DSP2CLK_SRC | WM8958_DSP2CLK_ENA, 375 aif << WM8958_DSP2CLK_SRC_SHIFT | 376 WM8958_DSP2CLK_ENA); 377 378 if (wm8994->enh_eq_ena[path]) 379 wm8958_dsp_start_enh_eq(component, path); 380 else if (wm8994->vss_ena[path] || wm8994->hpf1_ena[path] || 381 wm8994->hpf2_ena[path]) 382 wm8958_dsp_start_vss(component, path); 383 else if (wm8994->mbc_ena[path]) 384 wm8958_dsp_start_mbc(component, path); 385 386 wm8994->dsp_active = path; 387 388 dev_dbg(component->dev, "DSP running in path %d\n", path); 389 } 390 391 if (!start && wm8994->dsp_active == path) { 392 /* If the DSP is already stopped then noop */ 393 if (!(reg & WM8958_DSP2_ENA)) 394 return; 395 396 snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG, 397 WM8958_MBC_ENA, 0); 398 snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL, 399 WM8958_DSP2_STOP); 400 snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM, 401 WM8958_DSP2_ENA, 0); 402 snd_soc_component_update_bits(component, WM8994_CLOCKING_1, 403 WM8958_DSP2CLK_ENA, 0); 404 405 wm8994->dsp_active = -1; 406 407 dev_dbg(component->dev, "DSP stopped\n"); 408 } 409 } 410 411 int wm8958_aif_ev(struct snd_soc_dapm_widget *w, 412 struct snd_kcontrol *kcontrol, int event) 413 { 414 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 415 struct wm8994 *control = dev_get_drvdata(component->dev->parent); 416 int i; 417 418 if (control->type != WM8958) 419 return 0; 420 421 switch (event) { 422 case SND_SOC_DAPM_POST_PMU: 423 case SND_SOC_DAPM_PRE_PMU: 424 for (i = 0; i < 3; i++) 425 wm8958_dsp_apply(component, i, 1); 426 break; 427 case SND_SOC_DAPM_POST_PMD: 428 case SND_SOC_DAPM_PRE_PMD: 429 for (i = 0; i < 3; i++) 430 wm8958_dsp_apply(component, i, 0); 431 break; 432 } 433 434 return 0; 435 } 436 437 /* Check if DSP2 is in use on another AIF */ 438 static int wm8958_dsp2_busy(struct wm8994_priv *wm8994, int aif) 439 { 440 int i; 441 442 for (i = 0; i < ARRAY_SIZE(wm8994->mbc_ena); i++) { 443 if (i == aif) 444 continue; 445 if (wm8994->mbc_ena[i] || wm8994->vss_ena[i] || 446 wm8994->hpf1_ena[i] || wm8994->hpf2_ena[i]) 447 return 1; 448 } 449 450 return 0; 451 } 452 453 static int wm8958_put_mbc_enum(struct snd_kcontrol *kcontrol, 454 struct snd_ctl_elem_value *ucontrol) 455 { 456 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 457 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 458 struct wm8994 *control = wm8994->wm8994; 459 int value = ucontrol->value.enumerated.item[0]; 460 int reg; 461 462 /* Don't allow on the fly reconfiguration */ 463 reg = snd_soc_component_read(component, WM8994_CLOCKING_1); 464 if (reg < 0 || reg & WM8958_DSP2CLK_ENA) 465 return -EBUSY; 466 467 if (value >= control->pdata.num_mbc_cfgs) 468 return -EINVAL; 469 470 wm8994->mbc_cfg = value; 471 472 return 0; 473 } 474 475 static int wm8958_get_mbc_enum(struct snd_kcontrol *kcontrol, 476 struct snd_ctl_elem_value *ucontrol) 477 { 478 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 479 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 480 481 ucontrol->value.enumerated.item[0] = wm8994->mbc_cfg; 482 483 return 0; 484 } 485 486 static int wm8958_mbc_info(struct snd_kcontrol *kcontrol, 487 struct snd_ctl_elem_info *uinfo) 488 { 489 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 490 uinfo->count = 1; 491 uinfo->value.integer.min = 0; 492 uinfo->value.integer.max = 1; 493 return 0; 494 } 495 496 static int wm8958_mbc_get(struct snd_kcontrol *kcontrol, 497 struct snd_ctl_elem_value *ucontrol) 498 { 499 int mbc = kcontrol->private_value; 500 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 501 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 502 503 ucontrol->value.integer.value[0] = wm8994->mbc_ena[mbc]; 504 505 return 0; 506 } 507 508 static int wm8958_mbc_put(struct snd_kcontrol *kcontrol, 509 struct snd_ctl_elem_value *ucontrol) 510 { 511 int mbc = kcontrol->private_value; 512 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 513 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 514 515 if (wm8994->mbc_ena[mbc] == ucontrol->value.integer.value[0]) 516 return 0; 517 518 if (ucontrol->value.integer.value[0] > 1) 519 return -EINVAL; 520 521 if (wm8958_dsp2_busy(wm8994, mbc)) { 522 dev_dbg(component->dev, "DSP2 active on %d already\n", mbc); 523 return -EBUSY; 524 } 525 526 if (wm8994->enh_eq_ena[mbc]) 527 return -EBUSY; 528 529 wm8994->mbc_ena[mbc] = ucontrol->value.integer.value[0]; 530 531 wm8958_dsp_apply(component, mbc, wm8994->mbc_ena[mbc]); 532 533 return 0; 534 } 535 536 #define WM8958_MBC_SWITCH(xname, xval) {\ 537 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 538 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 539 .info = wm8958_mbc_info, \ 540 .get = wm8958_mbc_get, .put = wm8958_mbc_put, \ 541 .private_value = xval } 542 543 static int wm8958_put_vss_enum(struct snd_kcontrol *kcontrol, 544 struct snd_ctl_elem_value *ucontrol) 545 { 546 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 547 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 548 struct wm8994 *control = wm8994->wm8994; 549 int value = ucontrol->value.enumerated.item[0]; 550 int reg; 551 552 /* Don't allow on the fly reconfiguration */ 553 reg = snd_soc_component_read(component, WM8994_CLOCKING_1); 554 if (reg < 0 || reg & WM8958_DSP2CLK_ENA) 555 return -EBUSY; 556 557 if (value >= control->pdata.num_vss_cfgs) 558 return -EINVAL; 559 560 wm8994->vss_cfg = value; 561 562 return 0; 563 } 564 565 static int wm8958_get_vss_enum(struct snd_kcontrol *kcontrol, 566 struct snd_ctl_elem_value *ucontrol) 567 { 568 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 569 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 570 571 ucontrol->value.enumerated.item[0] = wm8994->vss_cfg; 572 573 return 0; 574 } 575 576 static int wm8958_put_vss_hpf_enum(struct snd_kcontrol *kcontrol, 577 struct snd_ctl_elem_value *ucontrol) 578 { 579 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 580 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 581 struct wm8994 *control = wm8994->wm8994; 582 int value = ucontrol->value.enumerated.item[0]; 583 int reg; 584 585 /* Don't allow on the fly reconfiguration */ 586 reg = snd_soc_component_read(component, WM8994_CLOCKING_1); 587 if (reg < 0 || reg & WM8958_DSP2CLK_ENA) 588 return -EBUSY; 589 590 if (value >= control->pdata.num_vss_hpf_cfgs) 591 return -EINVAL; 592 593 wm8994->vss_hpf_cfg = value; 594 595 return 0; 596 } 597 598 static int wm8958_get_vss_hpf_enum(struct snd_kcontrol *kcontrol, 599 struct snd_ctl_elem_value *ucontrol) 600 { 601 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 602 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 603 604 ucontrol->value.enumerated.item[0] = wm8994->vss_hpf_cfg; 605 606 return 0; 607 } 608 609 static int wm8958_vss_info(struct snd_kcontrol *kcontrol, 610 struct snd_ctl_elem_info *uinfo) 611 { 612 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 613 uinfo->count = 1; 614 uinfo->value.integer.min = 0; 615 uinfo->value.integer.max = 1; 616 return 0; 617 } 618 619 static int wm8958_vss_get(struct snd_kcontrol *kcontrol, 620 struct snd_ctl_elem_value *ucontrol) 621 { 622 int vss = kcontrol->private_value; 623 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 624 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 625 626 ucontrol->value.integer.value[0] = wm8994->vss_ena[vss]; 627 628 return 0; 629 } 630 631 static int wm8958_vss_put(struct snd_kcontrol *kcontrol, 632 struct snd_ctl_elem_value *ucontrol) 633 { 634 int vss = kcontrol->private_value; 635 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 636 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 637 638 if (wm8994->vss_ena[vss] == ucontrol->value.integer.value[0]) 639 return 0; 640 641 if (ucontrol->value.integer.value[0] > 1) 642 return -EINVAL; 643 644 if (!wm8994->mbc_vss) 645 return -ENODEV; 646 647 if (wm8958_dsp2_busy(wm8994, vss)) { 648 dev_dbg(component->dev, "DSP2 active on %d already\n", vss); 649 return -EBUSY; 650 } 651 652 if (wm8994->enh_eq_ena[vss]) 653 return -EBUSY; 654 655 wm8994->vss_ena[vss] = ucontrol->value.integer.value[0]; 656 657 wm8958_dsp_apply(component, vss, wm8994->vss_ena[vss]); 658 659 return 0; 660 } 661 662 663 #define WM8958_VSS_SWITCH(xname, xval) {\ 664 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 665 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 666 .info = wm8958_vss_info, \ 667 .get = wm8958_vss_get, .put = wm8958_vss_put, \ 668 .private_value = xval } 669 670 static int wm8958_hpf_info(struct snd_kcontrol *kcontrol, 671 struct snd_ctl_elem_info *uinfo) 672 { 673 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 674 uinfo->count = 1; 675 uinfo->value.integer.min = 0; 676 uinfo->value.integer.max = 1; 677 return 0; 678 } 679 680 static int wm8958_hpf_get(struct snd_kcontrol *kcontrol, 681 struct snd_ctl_elem_value *ucontrol) 682 { 683 int hpf = kcontrol->private_value; 684 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 685 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 686 687 if (hpf < 3) 688 ucontrol->value.integer.value[0] = wm8994->hpf1_ena[hpf % 3]; 689 else 690 ucontrol->value.integer.value[0] = wm8994->hpf2_ena[hpf % 3]; 691 692 return 0; 693 } 694 695 static int wm8958_hpf_put(struct snd_kcontrol *kcontrol, 696 struct snd_ctl_elem_value *ucontrol) 697 { 698 int hpf = kcontrol->private_value; 699 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 700 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 701 702 if (hpf < 3) { 703 if (wm8994->hpf1_ena[hpf % 3] == 704 ucontrol->value.integer.value[0]) 705 return 0; 706 } else { 707 if (wm8994->hpf2_ena[hpf % 3] == 708 ucontrol->value.integer.value[0]) 709 return 0; 710 } 711 712 if (ucontrol->value.integer.value[0] > 1) 713 return -EINVAL; 714 715 if (!wm8994->mbc_vss) 716 return -ENODEV; 717 718 if (wm8958_dsp2_busy(wm8994, hpf % 3)) { 719 dev_dbg(component->dev, "DSP2 active on %d already\n", hpf); 720 return -EBUSY; 721 } 722 723 if (wm8994->enh_eq_ena[hpf % 3]) 724 return -EBUSY; 725 726 if (hpf < 3) 727 wm8994->hpf1_ena[hpf % 3] = ucontrol->value.integer.value[0]; 728 else 729 wm8994->hpf2_ena[hpf % 3] = ucontrol->value.integer.value[0]; 730 731 wm8958_dsp_apply(component, hpf % 3, ucontrol->value.integer.value[0]); 732 733 return 0; 734 } 735 736 #define WM8958_HPF_SWITCH(xname, xval) {\ 737 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 738 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 739 .info = wm8958_hpf_info, \ 740 .get = wm8958_hpf_get, .put = wm8958_hpf_put, \ 741 .private_value = xval } 742 743 static int wm8958_put_enh_eq_enum(struct snd_kcontrol *kcontrol, 744 struct snd_ctl_elem_value *ucontrol) 745 { 746 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 747 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 748 struct wm8994 *control = wm8994->wm8994; 749 int value = ucontrol->value.enumerated.item[0]; 750 int reg; 751 752 /* Don't allow on the fly reconfiguration */ 753 reg = snd_soc_component_read(component, WM8994_CLOCKING_1); 754 if (reg < 0 || reg & WM8958_DSP2CLK_ENA) 755 return -EBUSY; 756 757 if (value >= control->pdata.num_enh_eq_cfgs) 758 return -EINVAL; 759 760 wm8994->enh_eq_cfg = value; 761 762 return 0; 763 } 764 765 static int wm8958_get_enh_eq_enum(struct snd_kcontrol *kcontrol, 766 struct snd_ctl_elem_value *ucontrol) 767 { 768 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 769 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 770 771 ucontrol->value.enumerated.item[0] = wm8994->enh_eq_cfg; 772 773 return 0; 774 } 775 776 static int wm8958_enh_eq_info(struct snd_kcontrol *kcontrol, 777 struct snd_ctl_elem_info *uinfo) 778 { 779 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 780 uinfo->count = 1; 781 uinfo->value.integer.min = 0; 782 uinfo->value.integer.max = 1; 783 return 0; 784 } 785 786 static int wm8958_enh_eq_get(struct snd_kcontrol *kcontrol, 787 struct snd_ctl_elem_value *ucontrol) 788 { 789 int eq = kcontrol->private_value; 790 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 791 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 792 793 ucontrol->value.integer.value[0] = wm8994->enh_eq_ena[eq]; 794 795 return 0; 796 } 797 798 static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol, 799 struct snd_ctl_elem_value *ucontrol) 800 { 801 int eq = kcontrol->private_value; 802 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 803 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 804 805 if (wm8994->enh_eq_ena[eq] == ucontrol->value.integer.value[0]) 806 return 0; 807 808 if (ucontrol->value.integer.value[0] > 1) 809 return -EINVAL; 810 811 if (!wm8994->enh_eq) 812 return -ENODEV; 813 814 if (wm8958_dsp2_busy(wm8994, eq)) { 815 dev_dbg(component->dev, "DSP2 active on %d already\n", eq); 816 return -EBUSY; 817 } 818 819 if (wm8994->mbc_ena[eq] || wm8994->vss_ena[eq] || 820 wm8994->hpf1_ena[eq] || wm8994->hpf2_ena[eq]) 821 return -EBUSY; 822 823 wm8994->enh_eq_ena[eq] = ucontrol->value.integer.value[0]; 824 825 wm8958_dsp_apply(component, eq, ucontrol->value.integer.value[0]); 826 827 return 0; 828 } 829 830 #define WM8958_ENH_EQ_SWITCH(xname, xval) {\ 831 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 832 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 833 .info = wm8958_enh_eq_info, \ 834 .get = wm8958_enh_eq_get, .put = wm8958_enh_eq_put, \ 835 .private_value = xval } 836 837 static const struct snd_kcontrol_new wm8958_mbc_snd_controls[] = { 838 WM8958_MBC_SWITCH("AIF1DAC1 MBC Switch", 0), 839 WM8958_MBC_SWITCH("AIF1DAC2 MBC Switch", 1), 840 WM8958_MBC_SWITCH("AIF2DAC MBC Switch", 2), 841 }; 842 843 static const struct snd_kcontrol_new wm8958_vss_snd_controls[] = { 844 WM8958_VSS_SWITCH("AIF1DAC1 VSS Switch", 0), 845 WM8958_VSS_SWITCH("AIF1DAC2 VSS Switch", 1), 846 WM8958_VSS_SWITCH("AIF2DAC VSS Switch", 2), 847 WM8958_HPF_SWITCH("AIF1DAC1 HPF1 Switch", 0), 848 WM8958_HPF_SWITCH("AIF1DAC2 HPF1 Switch", 1), 849 WM8958_HPF_SWITCH("AIF2DAC HPF1 Switch", 2), 850 WM8958_HPF_SWITCH("AIF1DAC1 HPF2 Switch", 3), 851 WM8958_HPF_SWITCH("AIF1DAC2 HPF2 Switch", 4), 852 WM8958_HPF_SWITCH("AIF2DAC HPF2 Switch", 5), 853 }; 854 855 static const struct snd_kcontrol_new wm8958_enh_eq_snd_controls[] = { 856 WM8958_ENH_EQ_SWITCH("AIF1DAC1 Enhanced EQ Switch", 0), 857 WM8958_ENH_EQ_SWITCH("AIF1DAC2 Enhanced EQ Switch", 1), 858 WM8958_ENH_EQ_SWITCH("AIF2DAC Enhanced EQ Switch", 2), 859 }; 860 861 static void wm8958_enh_eq_loaded(const struct firmware *fw, void *context) 862 { 863 struct snd_soc_component *component = context; 864 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 865 866 if (fw && (wm8958_dsp2_fw(component, "ENH_EQ", fw, true) == 0)) { 867 mutex_lock(&wm8994->fw_lock); 868 wm8994->enh_eq = fw; 869 mutex_unlock(&wm8994->fw_lock); 870 } 871 } 872 873 static void wm8958_mbc_vss_loaded(const struct firmware *fw, void *context) 874 { 875 struct snd_soc_component *component = context; 876 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 877 878 if (fw && (wm8958_dsp2_fw(component, "MBC+VSS", fw, true) == 0)) { 879 mutex_lock(&wm8994->fw_lock); 880 wm8994->mbc_vss = fw; 881 mutex_unlock(&wm8994->fw_lock); 882 } 883 } 884 885 static void wm8958_mbc_loaded(const struct firmware *fw, void *context) 886 { 887 struct snd_soc_component *component = context; 888 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 889 890 if (fw && (wm8958_dsp2_fw(component, "MBC", fw, true) == 0)) { 891 mutex_lock(&wm8994->fw_lock); 892 wm8994->mbc = fw; 893 mutex_unlock(&wm8994->fw_lock); 894 } 895 } 896 897 void wm8958_dsp2_init(struct snd_soc_component *component) 898 { 899 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); 900 struct wm8994 *control = wm8994->wm8994; 901 struct wm8994_pdata *pdata = &control->pdata; 902 int ret, i; 903 904 wm8994->dsp_active = -1; 905 906 snd_soc_add_component_controls(component, wm8958_mbc_snd_controls, 907 ARRAY_SIZE(wm8958_mbc_snd_controls)); 908 snd_soc_add_component_controls(component, wm8958_vss_snd_controls, 909 ARRAY_SIZE(wm8958_vss_snd_controls)); 910 snd_soc_add_component_controls(component, wm8958_enh_eq_snd_controls, 911 ARRAY_SIZE(wm8958_enh_eq_snd_controls)); 912 913 914 /* We don't *require* firmware and don't want to delay boot */ 915 request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, 916 "wm8958_mbc.wfw", component->dev, GFP_KERNEL, 917 component, wm8958_mbc_loaded); 918 request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, 919 "wm8958_mbc_vss.wfw", component->dev, GFP_KERNEL, 920 component, wm8958_mbc_vss_loaded); 921 request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG, 922 "wm8958_enh_eq.wfw", component->dev, GFP_KERNEL, 923 component, wm8958_enh_eq_loaded); 924 925 if (pdata->num_mbc_cfgs) { 926 struct snd_kcontrol_new control[] = { 927 SOC_ENUM_EXT("MBC Mode", wm8994->mbc_enum, 928 wm8958_get_mbc_enum, wm8958_put_mbc_enum), 929 }; 930 931 /* We need an array of texts for the enum API */ 932 wm8994->mbc_texts = kmalloc_array(pdata->num_mbc_cfgs, 933 sizeof(char *), 934 GFP_KERNEL); 935 if (!wm8994->mbc_texts) 936 return; 937 938 for (i = 0; i < pdata->num_mbc_cfgs; i++) 939 wm8994->mbc_texts[i] = pdata->mbc_cfgs[i].name; 940 941 wm8994->mbc_enum.items = pdata->num_mbc_cfgs; 942 wm8994->mbc_enum.texts = wm8994->mbc_texts; 943 944 ret = snd_soc_add_component_controls(wm8994->hubs.component, 945 control, 1); 946 if (ret != 0) 947 dev_err(wm8994->hubs.component->dev, 948 "Failed to add MBC mode controls: %d\n", ret); 949 } 950 951 if (pdata->num_vss_cfgs) { 952 struct snd_kcontrol_new control[] = { 953 SOC_ENUM_EXT("VSS Mode", wm8994->vss_enum, 954 wm8958_get_vss_enum, wm8958_put_vss_enum), 955 }; 956 957 /* We need an array of texts for the enum API */ 958 wm8994->vss_texts = kmalloc_array(pdata->num_vss_cfgs, 959 sizeof(char *), 960 GFP_KERNEL); 961 if (!wm8994->vss_texts) 962 return; 963 964 for (i = 0; i < pdata->num_vss_cfgs; i++) 965 wm8994->vss_texts[i] = pdata->vss_cfgs[i].name; 966 967 wm8994->vss_enum.items = pdata->num_vss_cfgs; 968 wm8994->vss_enum.texts = wm8994->vss_texts; 969 970 ret = snd_soc_add_component_controls(wm8994->hubs.component, 971 control, 1); 972 if (ret != 0) 973 dev_err(wm8994->hubs.component->dev, 974 "Failed to add VSS mode controls: %d\n", ret); 975 } 976 977 if (pdata->num_vss_hpf_cfgs) { 978 struct snd_kcontrol_new control[] = { 979 SOC_ENUM_EXT("VSS HPF Mode", wm8994->vss_hpf_enum, 980 wm8958_get_vss_hpf_enum, 981 wm8958_put_vss_hpf_enum), 982 }; 983 984 /* We need an array of texts for the enum API */ 985 wm8994->vss_hpf_texts = kmalloc_array(pdata->num_vss_hpf_cfgs, 986 sizeof(char *), 987 GFP_KERNEL); 988 if (!wm8994->vss_hpf_texts) 989 return; 990 991 for (i = 0; i < pdata->num_vss_hpf_cfgs; i++) 992 wm8994->vss_hpf_texts[i] = pdata->vss_hpf_cfgs[i].name; 993 994 wm8994->vss_hpf_enum.items = pdata->num_vss_hpf_cfgs; 995 wm8994->vss_hpf_enum.texts = wm8994->vss_hpf_texts; 996 997 ret = snd_soc_add_component_controls(wm8994->hubs.component, 998 control, 1); 999 if (ret != 0) 1000 dev_err(wm8994->hubs.component->dev, 1001 "Failed to add VSS HPFmode controls: %d\n", 1002 ret); 1003 } 1004 1005 if (pdata->num_enh_eq_cfgs) { 1006 struct snd_kcontrol_new control[] = { 1007 SOC_ENUM_EXT("Enhanced EQ Mode", wm8994->enh_eq_enum, 1008 wm8958_get_enh_eq_enum, 1009 wm8958_put_enh_eq_enum), 1010 }; 1011 1012 /* We need an array of texts for the enum API */ 1013 wm8994->enh_eq_texts = kmalloc_array(pdata->num_enh_eq_cfgs, 1014 sizeof(char *), 1015 GFP_KERNEL); 1016 if (!wm8994->enh_eq_texts) 1017 return; 1018 1019 for (i = 0; i < pdata->num_enh_eq_cfgs; i++) 1020 wm8994->enh_eq_texts[i] = pdata->enh_eq_cfgs[i].name; 1021 1022 wm8994->enh_eq_enum.items = pdata->num_enh_eq_cfgs; 1023 wm8994->enh_eq_enum.texts = wm8994->enh_eq_texts; 1024 1025 ret = snd_soc_add_component_controls(wm8994->hubs.component, 1026 control, 1); 1027 if (ret != 0) 1028 dev_err(wm8994->hubs.component->dev, 1029 "Failed to add enhanced EQ controls: %d\n", 1030 ret); 1031 } 1032 } 1033