sound/soc/codecs/wm8958-dsp2.c

   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_read32(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_read32(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_read32(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_read32(component, WM8994_AIF1_CLOCKING_1)
 367                       & WM8994_AIF1CLK_ENA_MASK) &&
 368                     !(snd_soc_component_read32(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         int i;
 416
 417         switch (event) {
 418         case SND_SOC_DAPM_POST_PMU:
 419         case SND_SOC_DAPM_PRE_PMU:
 420                 for (i = 0; i < 3; i++)
 421                         wm8958_dsp_apply(component, i, 1);
 422                 break;
 423         case SND_SOC_DAPM_POST_PMD:
 424         case SND_SOC_DAPM_PRE_PMD:
 425                 for (i = 0; i < 3; i++)
 426                         wm8958_dsp_apply(component, i, 0);
 427                 break;
 428         }
 429
 430         return 0;
 431 }
 432
 433 /* Check if DSP2 is in use on another AIF */
 434 static int wm8958_dsp2_busy(struct wm8994_priv *wm8994, int aif)
 435 {
 436         int i;
 437
 438         for (i = 0; i < ARRAY_SIZE(wm8994->mbc_ena); i++) {
 439                 if (i == aif)
 440                         continue;
 441                 if (wm8994->mbc_ena[i] || wm8994->vss_ena[i] ||
 442                     wm8994->hpf1_ena[i] || wm8994->hpf2_ena[i])
 443                         return 1;
 444         }
 445
 446         return 0;
 447 }
 448
 449 static int wm8958_put_mbc_enum(struct snd_kcontrol *kcontrol,
 450                                struct snd_ctl_elem_value *ucontrol)
 451 {
 452         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 453         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 454         struct wm8994 *control = wm8994->wm8994;
 455         int value = ucontrol->value.enumerated.item[0];
 456         int reg;
 457
 458         /* Don't allow on the fly reconfiguration */
 459         reg = snd_soc_component_read32(component, WM8994_CLOCKING_1);
 460         if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
 461                 return -EBUSY;
 462
 463         if (value >= control->pdata.num_mbc_cfgs)
 464                 return -EINVAL;
 465
 466         wm8994->mbc_cfg = value;
 467
 468         return 0;
 469 }
 470
 471 static int wm8958_get_mbc_enum(struct snd_kcontrol *kcontrol,
 472                                struct snd_ctl_elem_value *ucontrol)
 473 {
 474         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 475         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 476
 477         ucontrol->value.enumerated.item[0] = wm8994->mbc_cfg;
 478
 479         return 0;
 480 }
 481
 482 static int wm8958_mbc_info(struct snd_kcontrol *kcontrol,
 483                            struct snd_ctl_elem_info *uinfo)
 484 {
 485         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 486         uinfo->count = 1;
 487         uinfo->value.integer.min = 0;
 488         uinfo->value.integer.max = 1;
 489         return 0;
 490 }
 491
 492 static int wm8958_mbc_get(struct snd_kcontrol *kcontrol,
 493                           struct snd_ctl_elem_value *ucontrol)
 494 {
 495         int mbc = kcontrol->private_value;
 496         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 497         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 498
 499         ucontrol->value.integer.value[0] = wm8994->mbc_ena[mbc];
 500
 501         return 0;
 502 }
 503
 504 static int wm8958_mbc_put(struct snd_kcontrol *kcontrol,
 505                           struct snd_ctl_elem_value *ucontrol)
 506 {
 507         int mbc = kcontrol->private_value;
 508         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 509         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 510
 511         if (wm8994->mbc_ena[mbc] == ucontrol->value.integer.value[0])
 512                 return 0;
 513
 514         if (ucontrol->value.integer.value[0] > 1)
 515                 return -EINVAL;
 516
 517         if (wm8958_dsp2_busy(wm8994, mbc)) {
 518                 dev_dbg(component->dev, "DSP2 active on %d already\n", mbc);
 519                 return -EBUSY;
 520         }
 521
 522         if (wm8994->enh_eq_ena[mbc])
 523                 return -EBUSY;
 524
 525         wm8994->mbc_ena[mbc] = ucontrol->value.integer.value[0];
 526
 527         wm8958_dsp_apply(component, mbc, wm8994->mbc_ena[mbc]);
 528
 529         return 0;
 530 }
 531
 532 #define WM8958_MBC_SWITCH(xname, xval) {\
 533         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 534         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 535         .info = wm8958_mbc_info, \
 536         .get = wm8958_mbc_get, .put = wm8958_mbc_put, \
 537         .private_value = xval }
 538
 539 static int wm8958_put_vss_enum(struct snd_kcontrol *kcontrol,
 540                                struct snd_ctl_elem_value *ucontrol)
 541 {
 542         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 543         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 544         struct wm8994 *control = wm8994->wm8994;
 545         int value = ucontrol->value.enumerated.item[0];
 546         int reg;
 547
 548         /* Don't allow on the fly reconfiguration */
 549         reg = snd_soc_component_read32(component, WM8994_CLOCKING_1);
 550         if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
 551                 return -EBUSY;
 552
 553         if (value >= control->pdata.num_vss_cfgs)
 554                 return -EINVAL;
 555
 556         wm8994->vss_cfg = value;
 557
 558         return 0;
 559 }
 560
 561 static int wm8958_get_vss_enum(struct snd_kcontrol *kcontrol,
 562                                struct snd_ctl_elem_value *ucontrol)
 563 {
 564         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 565         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 566
 567         ucontrol->value.enumerated.item[0] = wm8994->vss_cfg;
 568
 569         return 0;
 570 }
 571
 572 static int wm8958_put_vss_hpf_enum(struct snd_kcontrol *kcontrol,
 573                                    struct snd_ctl_elem_value *ucontrol)
 574 {
 575         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 576         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 577         struct wm8994 *control = wm8994->wm8994;
 578         int value = ucontrol->value.enumerated.item[0];
 579         int reg;
 580
 581         /* Don't allow on the fly reconfiguration */
 582         reg = snd_soc_component_read32(component, WM8994_CLOCKING_1);
 583         if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
 584                 return -EBUSY;
 585
 586         if (value >= control->pdata.num_vss_hpf_cfgs)
 587                 return -EINVAL;
 588
 589         wm8994->vss_hpf_cfg = value;
 590
 591         return 0;
 592 }
 593
 594 static int wm8958_get_vss_hpf_enum(struct snd_kcontrol *kcontrol,
 595                                    struct snd_ctl_elem_value *ucontrol)
 596 {
 597         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 598         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 599
 600         ucontrol->value.enumerated.item[0] = wm8994->vss_hpf_cfg;
 601
 602         return 0;
 603 }
 604
 605 static int wm8958_vss_info(struct snd_kcontrol *kcontrol,
 606                            struct snd_ctl_elem_info *uinfo)
 607 {
 608         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 609         uinfo->count = 1;
 610         uinfo->value.integer.min = 0;
 611         uinfo->value.integer.max = 1;
 612         return 0;
 613 }
 614
 615 static int wm8958_vss_get(struct snd_kcontrol *kcontrol,
 616                           struct snd_ctl_elem_value *ucontrol)
 617 {
 618         int vss = kcontrol->private_value;
 619         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 620         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 621
 622         ucontrol->value.integer.value[0] = wm8994->vss_ena[vss];
 623
 624         return 0;
 625 }
 626
 627 static int wm8958_vss_put(struct snd_kcontrol *kcontrol,
 628                           struct snd_ctl_elem_value *ucontrol)
 629 {
 630         int vss = kcontrol->private_value;
 631         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 632         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 633
 634         if (wm8994->vss_ena[vss] == ucontrol->value.integer.value[0])
 635                 return 0;
 636
 637         if (ucontrol->value.integer.value[0] > 1)
 638                 return -EINVAL;
 639
 640         if (!wm8994->mbc_vss)
 641                 return -ENODEV;
 642
 643         if (wm8958_dsp2_busy(wm8994, vss)) {
 644                 dev_dbg(component->dev, "DSP2 active on %d already\n", vss);
 645                 return -EBUSY;
 646         }
 647
 648         if (wm8994->enh_eq_ena[vss])
 649                 return -EBUSY;
 650
 651         wm8994->vss_ena[vss] = ucontrol->value.integer.value[0];
 652
 653         wm8958_dsp_apply(component, vss, wm8994->vss_ena[vss]);
 654
 655         return 0;
 656 }
 657
 658
 659 #define WM8958_VSS_SWITCH(xname, xval) {\
 660         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 661         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 662         .info = wm8958_vss_info, \
 663         .get = wm8958_vss_get, .put = wm8958_vss_put, \
 664         .private_value = xval }
 665
 666 static int wm8958_hpf_info(struct snd_kcontrol *kcontrol,
 667                            struct snd_ctl_elem_info *uinfo)
 668 {
 669         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 670         uinfo->count = 1;
 671         uinfo->value.integer.min = 0;
 672         uinfo->value.integer.max = 1;
 673         return 0;
 674 }
 675
 676 static int wm8958_hpf_get(struct snd_kcontrol *kcontrol,
 677                           struct snd_ctl_elem_value *ucontrol)
 678 {
 679         int hpf = kcontrol->private_value;
 680         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 681         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 682
 683         if (hpf < 3)
 684                 ucontrol->value.integer.value[0] = wm8994->hpf1_ena[hpf % 3];
 685         else
 686                 ucontrol->value.integer.value[0] = wm8994->hpf2_ena[hpf % 3];
 687
 688         return 0;
 689 }
 690
 691 static int wm8958_hpf_put(struct snd_kcontrol *kcontrol,
 692                           struct snd_ctl_elem_value *ucontrol)
 693 {
 694         int hpf = kcontrol->private_value;
 695         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 696         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 697
 698         if (hpf < 3) {
 699                 if (wm8994->hpf1_ena[hpf % 3] ==
 700                     ucontrol->value.integer.value[0])
 701                         return 0;
 702         } else {
 703                 if (wm8994->hpf2_ena[hpf % 3] ==
 704                     ucontrol->value.integer.value[0])
 705                         return 0;
 706         }
 707
 708         if (ucontrol->value.integer.value[0] > 1)
 709                 return -EINVAL;
 710
 711         if (!wm8994->mbc_vss)
 712                 return -ENODEV;
 713
 714         if (wm8958_dsp2_busy(wm8994, hpf % 3)) {
 715                 dev_dbg(component->dev, "DSP2 active on %d already\n", hpf);
 716                 return -EBUSY;
 717         }
 718
 719         if (wm8994->enh_eq_ena[hpf % 3])
 720                 return -EBUSY;
 721
 722         if (hpf < 3)
 723                 wm8994->hpf1_ena[hpf % 3] = ucontrol->value.integer.value[0];
 724         else
 725                 wm8994->hpf2_ena[hpf % 3] = ucontrol->value.integer.value[0];
 726
 727         wm8958_dsp_apply(component, hpf % 3, ucontrol->value.integer.value[0]);
 728
 729         return 0;
 730 }
 731
 732 #define WM8958_HPF_SWITCH(xname, xval) {\
 733         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 734         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 735         .info = wm8958_hpf_info, \
 736         .get = wm8958_hpf_get, .put = wm8958_hpf_put, \
 737         .private_value = xval }
 738
 739 static int wm8958_put_enh_eq_enum(struct snd_kcontrol *kcontrol,
 740                                   struct snd_ctl_elem_value *ucontrol)
 741 {
 742         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 743         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 744         struct wm8994 *control = wm8994->wm8994;
 745         int value = ucontrol->value.enumerated.item[0];
 746         int reg;
 747
 748         /* Don't allow on the fly reconfiguration */
 749         reg = snd_soc_component_read32(component, WM8994_CLOCKING_1);
 750         if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
 751                 return -EBUSY;
 752
 753         if (value >= control->pdata.num_enh_eq_cfgs)
 754                 return -EINVAL;
 755
 756         wm8994->enh_eq_cfg = value;
 757
 758         return 0;
 759 }
 760
 761 static int wm8958_get_enh_eq_enum(struct snd_kcontrol *kcontrol,
 762                                   struct snd_ctl_elem_value *ucontrol)
 763 {
 764         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 765         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 766
 767         ucontrol->value.enumerated.item[0] = wm8994->enh_eq_cfg;
 768
 769         return 0;
 770 }
 771
 772 static int wm8958_enh_eq_info(struct snd_kcontrol *kcontrol,
 773                            struct snd_ctl_elem_info *uinfo)
 774 {
 775         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 776         uinfo->count = 1;
 777         uinfo->value.integer.min = 0;
 778         uinfo->value.integer.max = 1;
 779         return 0;
 780 }
 781
 782 static int wm8958_enh_eq_get(struct snd_kcontrol *kcontrol,
 783                           struct snd_ctl_elem_value *ucontrol)
 784 {
 785         int eq = kcontrol->private_value;
 786         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 787         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 788
 789         ucontrol->value.integer.value[0] = wm8994->enh_eq_ena[eq];
 790
 791         return 0;
 792 }
 793
 794 static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol,
 795                           struct snd_ctl_elem_value *ucontrol)
 796 {
 797         int eq = kcontrol->private_value;
 798         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 799         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 800
 801         if (wm8994->enh_eq_ena[eq] == ucontrol->value.integer.value[0])
 802                 return 0;
 803
 804         if (ucontrol->value.integer.value[0] > 1)
 805                 return -EINVAL;
 806
 807         if (!wm8994->enh_eq)
 808                 return -ENODEV;
 809
 810         if (wm8958_dsp2_busy(wm8994, eq)) {
 811                 dev_dbg(component->dev, "DSP2 active on %d already\n", eq);
 812                 return -EBUSY;
 813         }
 814
 815         if (wm8994->mbc_ena[eq] || wm8994->vss_ena[eq] ||
 816             wm8994->hpf1_ena[eq] || wm8994->hpf2_ena[eq])
 817                 return -EBUSY;
 818
 819         wm8994->enh_eq_ena[eq] = ucontrol->value.integer.value[0];
 820
 821         wm8958_dsp_apply(component, eq, ucontrol->value.integer.value[0]);
 822
 823         return 0;
 824 }
 825
 826 #define WM8958_ENH_EQ_SWITCH(xname, xval) {\
 827         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 828         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 829         .info = wm8958_enh_eq_info, \
 830         .get = wm8958_enh_eq_get, .put = wm8958_enh_eq_put, \
 831         .private_value = xval }
 832
 833 static const struct snd_kcontrol_new wm8958_mbc_snd_controls[] = {
 834 WM8958_MBC_SWITCH("AIF1DAC1 MBC Switch", 0),
 835 WM8958_MBC_SWITCH("AIF1DAC2 MBC Switch", 1),
 836 WM8958_MBC_SWITCH("AIF2DAC MBC Switch", 2),
 837 };
 838
 839 static const struct snd_kcontrol_new wm8958_vss_snd_controls[] = {
 840 WM8958_VSS_SWITCH("AIF1DAC1 VSS Switch", 0),
 841 WM8958_VSS_SWITCH("AIF1DAC2 VSS Switch", 1),
 842 WM8958_VSS_SWITCH("AIF2DAC VSS Switch", 2),
 843 WM8958_HPF_SWITCH("AIF1DAC1 HPF1 Switch", 0),
 844 WM8958_HPF_SWITCH("AIF1DAC2 HPF1 Switch", 1),
 845 WM8958_HPF_SWITCH("AIF2DAC HPF1 Switch", 2),
 846 WM8958_HPF_SWITCH("AIF1DAC1 HPF2 Switch", 3),
 847 WM8958_HPF_SWITCH("AIF1DAC2 HPF2 Switch", 4),
 848 WM8958_HPF_SWITCH("AIF2DAC HPF2 Switch", 5),
 849 };
 850
 851 static const struct snd_kcontrol_new wm8958_enh_eq_snd_controls[] = {
 852 WM8958_ENH_EQ_SWITCH("AIF1DAC1 Enhanced EQ Switch", 0),
 853 WM8958_ENH_EQ_SWITCH("AIF1DAC2 Enhanced EQ Switch", 1),
 854 WM8958_ENH_EQ_SWITCH("AIF2DAC Enhanced EQ Switch", 2),
 855 };
 856
 857 static void wm8958_enh_eq_loaded(const struct firmware *fw, void *context)
 858 {
 859         struct snd_soc_component *component = context;
 860         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 861
 862         if (fw && (wm8958_dsp2_fw(component, "ENH_EQ", fw, true) == 0)) {
 863                 mutex_lock(&wm8994->fw_lock);
 864                 wm8994->enh_eq = fw;
 865                 mutex_unlock(&wm8994->fw_lock);
 866         }
 867 }
 868
 869 static void wm8958_mbc_vss_loaded(const struct firmware *fw, void *context)
 870 {
 871         struct snd_soc_component *component = context;
 872         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 873
 874         if (fw && (wm8958_dsp2_fw(component, "MBC+VSS", fw, true) == 0)) {
 875                 mutex_lock(&wm8994->fw_lock);
 876                 wm8994->mbc_vss = fw;
 877                 mutex_unlock(&wm8994->fw_lock);
 878         }
 879 }
 880
 881 static void wm8958_mbc_loaded(const struct firmware *fw, void *context)
 882 {
 883         struct snd_soc_component *component = context;
 884         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 885
 886         if (fw && (wm8958_dsp2_fw(component, "MBC", fw, true) == 0)) {
 887                 mutex_lock(&wm8994->fw_lock);
 888                 wm8994->mbc = fw;
 889                 mutex_unlock(&wm8994->fw_lock);
 890         }
 891 }
 892
 893 void wm8958_dsp2_init(struct snd_soc_component *component)
 894 {
 895         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 896         struct wm8994 *control = wm8994->wm8994;
 897         struct wm8994_pdata *pdata = &control->pdata;
 898         int ret, i;
 899
 900         wm8994->dsp_active = -1;
 901
 902         snd_soc_add_component_controls(component, wm8958_mbc_snd_controls,
 903                              ARRAY_SIZE(wm8958_mbc_snd_controls));
 904         snd_soc_add_component_controls(component, wm8958_vss_snd_controls,
 905                              ARRAY_SIZE(wm8958_vss_snd_controls));
 906         snd_soc_add_component_controls(component, wm8958_enh_eq_snd_controls,
 907                              ARRAY_SIZE(wm8958_enh_eq_snd_controls));
 908
 909
 910         /* We don't *require* firmware and don't want to delay boot */
 911         request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
 912                                 "wm8958_mbc.wfw", component->dev, GFP_KERNEL,
 913                                 component, wm8958_mbc_loaded);
 914         request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
 915                                 "wm8958_mbc_vss.wfw", component->dev, GFP_KERNEL,
 916                                 component, wm8958_mbc_vss_loaded);
 917         request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
 918                                 "wm8958_enh_eq.wfw", component->dev, GFP_KERNEL,
 919                                 component, wm8958_enh_eq_loaded);
 920
 921         if (pdata->num_mbc_cfgs) {
 922                 struct snd_kcontrol_new control[] = {
 923                         SOC_ENUM_EXT("MBC Mode", wm8994->mbc_enum,
 924                                      wm8958_get_mbc_enum, wm8958_put_mbc_enum),
 925                 };
 926
 927                 /* We need an array of texts for the enum API */
 928                 wm8994->mbc_texts = kmalloc_array(pdata->num_mbc_cfgs,
 929                                                   sizeof(char *),
 930                                                   GFP_KERNEL);
 931                 if (!wm8994->mbc_texts)
 932                         return;
 933
 934                 for (i = 0; i < pdata->num_mbc_cfgs; i++)
 935                         wm8994->mbc_texts[i] = pdata->mbc_cfgs[i].name;
 936
 937                 wm8994->mbc_enum.items = pdata->num_mbc_cfgs;
 938                 wm8994->mbc_enum.texts = wm8994->mbc_texts;
 939
 940                 ret = snd_soc_add_component_controls(wm8994->hubs.component,
 941                                                  control, 1);
 942                 if (ret != 0)
 943                         dev_err(wm8994->hubs.component->dev,
 944                                 "Failed to add MBC mode controls: %d\n", ret);
 945         }
 946
 947         if (pdata->num_vss_cfgs) {
 948                 struct snd_kcontrol_new control[] = {
 949                         SOC_ENUM_EXT("VSS Mode", wm8994->vss_enum,
 950                                      wm8958_get_vss_enum, wm8958_put_vss_enum),
 951                 };
 952
 953                 /* We need an array of texts for the enum API */
 954                 wm8994->vss_texts = kmalloc_array(pdata->num_vss_cfgs,
 955                                                   sizeof(char *),
 956                                                   GFP_KERNEL);
 957                 if (!wm8994->vss_texts)
 958                         return;
 959
 960                 for (i = 0; i < pdata->num_vss_cfgs; i++)
 961                         wm8994->vss_texts[i] = pdata->vss_cfgs[i].name;
 962
 963                 wm8994->vss_enum.items = pdata->num_vss_cfgs;
 964                 wm8994->vss_enum.texts = wm8994->vss_texts;
 965
 966                 ret = snd_soc_add_component_controls(wm8994->hubs.component,
 967                                                  control, 1);
 968                 if (ret != 0)
 969                         dev_err(wm8994->hubs.component->dev,
 970                                 "Failed to add VSS mode controls: %d\n", ret);
 971         }
 972
 973         if (pdata->num_vss_hpf_cfgs) {
 974                 struct snd_kcontrol_new control[] = {
 975                         SOC_ENUM_EXT("VSS HPF Mode", wm8994->vss_hpf_enum,
 976                                      wm8958_get_vss_hpf_enum,
 977                                      wm8958_put_vss_hpf_enum),
 978                 };
 979
 980                 /* We need an array of texts for the enum API */
 981                 wm8994->vss_hpf_texts = kmalloc_array(pdata->num_vss_hpf_cfgs,
 982                                                       sizeof(char *),
 983                                                       GFP_KERNEL);
 984                 if (!wm8994->vss_hpf_texts)
 985                         return;
 986
 987                 for (i = 0; i < pdata->num_vss_hpf_cfgs; i++)
 988                         wm8994->vss_hpf_texts[i] = pdata->vss_hpf_cfgs[i].name;
 989
 990                 wm8994->vss_hpf_enum.items = pdata->num_vss_hpf_cfgs;
 991                 wm8994->vss_hpf_enum.texts = wm8994->vss_hpf_texts;
 992
 993                 ret = snd_soc_add_component_controls(wm8994->hubs.component,
 994                                                  control, 1);
 995                 if (ret != 0)
 996                         dev_err(wm8994->hubs.component->dev,
 997                                 "Failed to add VSS HPFmode controls: %d\n",
 998                                 ret);
 999         }
1000
1001         if (pdata->num_enh_eq_cfgs) {
1002                 struct snd_kcontrol_new control[] = {
1003                         SOC_ENUM_EXT("Enhanced EQ Mode", wm8994->enh_eq_enum,
1004                                      wm8958_get_enh_eq_enum,
1005                                      wm8958_put_enh_eq_enum),
1006                 };
1007
1008                 /* We need an array of texts for the enum API */
1009                 wm8994->enh_eq_texts = kmalloc_array(pdata->num_enh_eq_cfgs,
1010                                                      sizeof(char *),
1011                                                      GFP_KERNEL);
1012                 if (!wm8994->enh_eq_texts)
1013                         return;
1014
1015                 for (i = 0; i < pdata->num_enh_eq_cfgs; i++)
1016                         wm8994->enh_eq_texts[i] = pdata->enh_eq_cfgs[i].name;
1017
1018                 wm8994->enh_eq_enum.items = pdata->num_enh_eq_cfgs;
1019                 wm8994->enh_eq_enum.texts = wm8994->enh_eq_texts;
1020
1021                 ret = snd_soc_add_component_controls(wm8994->hubs.component,
1022                                                  control, 1);
1023                 if (ret != 0)
1024                         dev_err(wm8994->hubs.component->dev,
1025                                 "Failed to add enhanced EQ controls: %d\n",
1026                                 ret);
1027         }
1028 }