codecs/wm8958-dsp2.c

   1 /*
   2  * wm8958-dsp2.c  --  WM8958 DSP2 support
   3  *
   4  * Copyright 2011 Wolfson Microelectronics plc
   5  *
   6  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #include <linux/module.h>
  14 #include <linux/moduleparam.h>
  15 #include <linux/init.h>
  16 #include <linux/delay.h>
  17 #include <linux/pm.h>
  18 #include <linux/i2c.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/slab.h>
  21 #include <sound/soc.h>
  22 #include <sound/initval.h>
  23 #include <sound/tlv.h>
  24 #include <trace/events/asoc.h>
  25
  26 #include <linux/mfd/wm8994/core.h>
  27 #include <linux/mfd/wm8994/registers.h>
  28 #include <linux/mfd/wm8994/pdata.h>
  29 #include <linux/mfd/wm8994/gpio.h>
  30
  31 #include "wm8994.h"
  32
  33 #define WM_FW_BLOCK_INFO 0xff
  34 #define WM_FW_BLOCK_PM   0x00
  35 #define WM_FW_BLOCK_X    0x01
  36 #define WM_FW_BLOCK_Y    0x02
  37 #define WM_FW_BLOCK_Z    0x03
  38 #define WM_FW_BLOCK_I    0x06
  39 #define WM_FW_BLOCK_A    0x08
  40 #define WM_FW_BLOCK_C    0x0c
  41
  42 static int wm8958_dsp2_fw(struct snd_soc_component *component, const char *name,
  43                           const struct firmware *fw, bool check)
  44 {
  45         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
  46         u64 data64;
  47         u32 data32;
  48         const u8 *data;
  49         char *str;
  50         size_t block_len, len;
  51         int ret = 0;
  52
  53         /* Suppress unneeded downloads */
  54         if (wm8994->cur_fw == fw)
  55                 return 0;
  56
  57         if (fw->size < 32) {
  58                 dev_err(component->dev, "%s: firmware too short (%zd bytes)\n",
  59                         name, fw->size);
  60                 goto err;
  61         }
  62
  63         if (memcmp(fw->data, "WMFW", 4) != 0) {
  64                 memcpy(&data32, fw->data, sizeof(data32));
  65                 data32 = be32_to_cpu(data32);
  66                 dev_err(component->dev, "%s: firmware has bad file magic %08x\n",
  67                         name, data32);
  68                 goto err;
  69         }
  70
  71         memcpy(&data32, fw->data + 4, sizeof(data32));
  72         len = be32_to_cpu(data32);
  73
  74         memcpy(&data32, fw->data + 8, sizeof(data32));
  75         data32 = be32_to_cpu(data32);
  76         if ((data32 >> 24) & 0xff) {
  77                 dev_err(component->dev, "%s: unsupported firmware version %d\n",
  78                         name, (data32 >> 24) & 0xff);
  79                 goto err;
  80         }
  81         if ((data32 & 0xffff) != 8958) {
  82                 dev_err(component->dev, "%s: unsupported target device %d\n",
  83                         name, data32 & 0xffff);
  84                 goto err;
  85         }
  86         if (((data32 >> 16) & 0xff) != 0xc) {
  87                 dev_err(component->dev, "%s: unsupported target core %d\n",
  88                         name, (data32 >> 16) & 0xff);
  89                 goto err;
  90         }
  91
  92         if (check) {
  93                 memcpy(&data64, fw->data + 24, sizeof(u64));
  94                 dev_info(component->dev, "%s timestamp %llx\n",
  95                          name, be64_to_cpu(data64));
  96         } else {
  97                 snd_soc_component_write(component, 0x102, 0x2);
  98                 snd_soc_component_write(component, 0x900, 0x2);
  99         }
 100
 101         data = fw->data + len;
 102         len = fw->size - len;
 103         while (len) {
 104                 if (len < 12) {
 105                         dev_err(component->dev, "%s short data block of %zd\n",
 106                                 name, len);
 107                         goto err;
 108                 }
 109
 110                 memcpy(&data32, data + 4, sizeof(data32));
 111                 block_len = be32_to_cpu(data32);
 112                 if (block_len + 8 > len) {
 113                         dev_err(component->dev, "%zd byte block longer than file\n",
 114                                 block_len);
 115                         goto err;
 116                 }
 117                 if (block_len == 0) {
 118                         dev_err(component->dev, "Zero length block\n");
 119                         goto err;
 120                 }
 121
 122                 memcpy(&data32, data, sizeof(data32));
 123                 data32 = be32_to_cpu(data32);
 124
 125                 switch ((data32 >> 24) & 0xff) {
 126                 case WM_FW_BLOCK_INFO:
 127                         /* Informational text */
 128                         if (!check)
 129                                 break;
 130
 131                         str = kzalloc(block_len + 1, GFP_KERNEL);
 132                         if (str) {
 133                                 memcpy(str, data + 8, block_len);
 134                                 dev_info(component->dev, "%s: %s\n", name, str);
 135                                 kfree(str);
 136                         } else {
 137                                 dev_err(component->dev, "Out of memory\n");
 138                         }
 139                         break;
 140                 case WM_FW_BLOCK_PM:
 141                 case WM_FW_BLOCK_X:
 142                 case WM_FW_BLOCK_Y:
 143                 case WM_FW_BLOCK_Z:
 144                 case WM_FW_BLOCK_I:
 145                 case WM_FW_BLOCK_A:
 146                 case WM_FW_BLOCK_C:
 147                         dev_dbg(component->dev, "%s: %zd bytes of %x@%x\n", name,
 148                                 block_len, (data32 >> 24) & 0xff,
 149                                 data32 & 0xffffff);
 150
 151                         if (check)
 152                                 break;
 153
 154                         data32 &= 0xffffff;
 155
 156                         wm8994_bulk_write(wm8994->wm8994,
 157                                           data32 & 0xffffff,
 158                                           block_len / 2,
 159                                           (void *)(data + 8));
 160
 161                         break;
 162                 default:
 163                         dev_warn(component->dev, "%s: unknown block type %d\n",
 164                                  name, (data32 >> 24) & 0xff);
 165                         break;
 166                 }
 167
 168                 /* Round up to the next 32 bit word */
 169                 block_len += block_len % 4;
 170
 171                 data += block_len + 8;
 172                 len -= block_len + 8;
 173         }
 174
 175         if (!check) {
 176                 dev_dbg(component->dev, "%s: download done\n", name);
 177                 wm8994->cur_fw = fw;
 178         } else {
 179                 dev_info(component->dev, "%s: got firmware\n", name);
 180         }
 181
 182         goto ok;
 183
 184 err:
 185         ret = -EINVAL;
 186 ok:
 187         if (!check) {
 188                 snd_soc_component_write(component, 0x900, 0x0);
 189                 snd_soc_component_write(component, 0x102, 0x0);
 190         }
 191
 192         return ret;
 193 }
 194
 195 static void wm8958_dsp_start_mbc(struct snd_soc_component *component, int path)
 196 {
 197         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 198         struct wm8994 *control = wm8994->wm8994;
 199         int i;
 200
 201         /* If the DSP is already running then noop */
 202         if (snd_soc_component_read32(component, WM8958_DSP2_PROGRAM) & WM8958_DSP2_ENA)
 203                 return;
 204
 205         /* If we have MBC firmware download it */
 206         if (wm8994->mbc)
 207                 wm8958_dsp2_fw(component, "MBC", wm8994->mbc, false);
 208
 209         snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM,
 210                             WM8958_DSP2_ENA, WM8958_DSP2_ENA);
 211
 212         /* If we've got user supplied MBC settings use them */
 213         if (control->pdata.num_mbc_cfgs) {
 214                 struct wm8958_mbc_cfg *cfg
 215                         = &control->pdata.mbc_cfgs[wm8994->mbc_cfg];
 216
 217                 for (i = 0; i < ARRAY_SIZE(cfg->coeff_regs); i++)
 218                         snd_soc_component_write(component, i + WM8958_MBC_BAND_1_K_1,
 219                                       cfg->coeff_regs[i]);
 220
 221                 for (i = 0; i < ARRAY_SIZE(cfg->cutoff_regs); i++)
 222                         snd_soc_component_write(component,
 223                                       i + WM8958_MBC_BAND_2_LOWER_CUTOFF_C1_1,
 224                                       cfg->cutoff_regs[i]);
 225         }
 226
 227         /* Run the DSP */
 228         snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL,
 229                       WM8958_DSP2_RUNR);
 230
 231         /* And we're off! */
 232         snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG,
 233                             WM8958_MBC_ENA |
 234                             WM8958_MBC_SEL_MASK,
 235                             path << WM8958_MBC_SEL_SHIFT |
 236                             WM8958_MBC_ENA);
 237 }
 238
 239 static void wm8958_dsp_start_vss(struct snd_soc_component *component, int path)
 240 {
 241         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 242         struct wm8994 *control = wm8994->wm8994;
 243         int i, ena;
 244
 245         if (wm8994->mbc_vss)
 246                 wm8958_dsp2_fw(component, "MBC+VSS", wm8994->mbc_vss, false);
 247
 248         snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM,
 249                             WM8958_DSP2_ENA, WM8958_DSP2_ENA);
 250
 251         /* If we've got user supplied settings use them */
 252         if (control->pdata.num_mbc_cfgs) {
 253                 struct wm8958_mbc_cfg *cfg
 254                         = &control->pdata.mbc_cfgs[wm8994->mbc_cfg];
 255
 256                 for (i = 0; i < ARRAY_SIZE(cfg->combined_regs); i++)
 257                         snd_soc_component_write(component, i + 0x2800,
 258                                       cfg->combined_regs[i]);
 259         }
 260
 261         if (control->pdata.num_vss_cfgs) {
 262                 struct wm8958_vss_cfg *cfg
 263                         = &control->pdata.vss_cfgs[wm8994->vss_cfg];
 264
 265                 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
 266                         snd_soc_component_write(component, i + 0x2600, cfg->regs[i]);
 267         }
 268
 269         if (control->pdata.num_vss_hpf_cfgs) {
 270                 struct wm8958_vss_hpf_cfg *cfg
 271                         = &control->pdata.vss_hpf_cfgs[wm8994->vss_hpf_cfg];
 272
 273                 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
 274                         snd_soc_component_write(component, i + 0x2400, cfg->regs[i]);
 275         }
 276
 277         /* Run the DSP */
 278         snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL,
 279                       WM8958_DSP2_RUNR);
 280
 281         /* Enable the algorithms we've selected */
 282         ena = 0;
 283         if (wm8994->mbc_ena[path])
 284                 ena |= 0x8;
 285         if (wm8994->hpf2_ena[path])
 286                 ena |= 0x4;
 287         if (wm8994->hpf1_ena[path])
 288                 ena |= 0x2;
 289         if (wm8994->vss_ena[path])
 290                 ena |= 0x1;
 291
 292         snd_soc_component_write(component, 0x2201, ena);
 293
 294         /* Switch the DSP into the data path */
 295         snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG,
 296                             WM8958_MBC_SEL_MASK | WM8958_MBC_ENA,
 297                             path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA);
 298 }
 299
 300 static void wm8958_dsp_start_enh_eq(struct snd_soc_component *component, int path)
 301 {
 302         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 303         struct wm8994 *control = wm8994->wm8994;
 304         int i;
 305
 306         wm8958_dsp2_fw(component, "ENH_EQ", wm8994->enh_eq, false);
 307
 308         snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM,
 309                             WM8958_DSP2_ENA, WM8958_DSP2_ENA);
 310
 311         /* If we've got user supplied settings use them */
 312         if (control->pdata.num_enh_eq_cfgs) {
 313                 struct wm8958_enh_eq_cfg *cfg
 314                         = &control->pdata.enh_eq_cfgs[wm8994->enh_eq_cfg];
 315
 316                 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
 317                         snd_soc_component_write(component, i + 0x2200,
 318                                       cfg->regs[i]);
 319         }
 320
 321         /* Run the DSP */
 322         snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL,
 323                       WM8958_DSP2_RUNR);
 324
 325         /* Switch the DSP into the data path */
 326         snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG,
 327                             WM8958_MBC_SEL_MASK | WM8958_MBC_ENA,
 328                             path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA);
 329 }
 330
 331 static void wm8958_dsp_apply(struct snd_soc_component *component, int path, int start)
 332 {
 333         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 334         int pwr_reg = snd_soc_component_read32(component, WM8994_POWER_MANAGEMENT_5);
 335         int ena, reg, aif;
 336
 337         switch (path) {
 338         case 0:
 339                 pwr_reg &= (WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC1R_ENA);
 340                 aif = 0;
 341                 break;
 342         case 1:
 343                 pwr_reg &= (WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA);
 344                 aif = 0;
 345                 break;
 346         case 2:
 347                 pwr_reg &= (WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA);
 348                 aif = 1;
 349                 break;
 350         default:
 351                 WARN(1, "Invalid path %d\n", path);
 352                 return;
 353         }
 354
 355         /* Do we have both an active AIF and an active algorithm? */
 356         ena = wm8994->mbc_ena[path] || wm8994->vss_ena[path] ||
 357                 wm8994->hpf1_ena[path] || wm8994->hpf2_ena[path] ||
 358                 wm8994->enh_eq_ena[path];
 359         if (!pwr_reg)
 360                 ena = 0;
 361
 362         reg = snd_soc_component_read32(component, WM8958_DSP2_PROGRAM);
 363
 364         dev_dbg(component->dev, "DSP path %d %d startup: %d, power: %x, DSP: %x\n",
 365                 path, wm8994->dsp_active, start, pwr_reg, reg);
 366
 367         if (start && ena) {
 368                 /* If the DSP is already running then noop */
 369                 if (reg & WM8958_DSP2_ENA)
 370                         return;
 371
 372                 /* If either AIFnCLK is not yet enabled postpone */
 373                 if (!(snd_soc_component_read32(component, WM8994_AIF1_CLOCKING_1)
 374                       & WM8994_AIF1CLK_ENA_MASK) &&
 375                     !(snd_soc_component_read32(component, WM8994_AIF2_CLOCKING_1)
 376                       & WM8994_AIF2CLK_ENA_MASK))
 377                         return;
 378
 379                 /* Switch the clock over to the appropriate AIF */
 380                 snd_soc_component_update_bits(component, WM8994_CLOCKING_1,
 381                                     WM8958_DSP2CLK_SRC | WM8958_DSP2CLK_ENA,
 382                                     aif << WM8958_DSP2CLK_SRC_SHIFT |
 383                                     WM8958_DSP2CLK_ENA);
 384
 385                 if (wm8994->enh_eq_ena[path])
 386                         wm8958_dsp_start_enh_eq(component, path);
 387                 else if (wm8994->vss_ena[path] || wm8994->hpf1_ena[path] ||
 388                     wm8994->hpf2_ena[path])
 389                         wm8958_dsp_start_vss(component, path);
 390                 else if (wm8994->mbc_ena[path])
 391                         wm8958_dsp_start_mbc(component, path);
 392
 393                 wm8994->dsp_active = path;
 394
 395                 dev_dbg(component->dev, "DSP running in path %d\n", path);
 396         }
 397
 398         if (!start && wm8994->dsp_active == path) {
 399                 /* If the DSP is already stopped then noop */
 400                 if (!(reg & WM8958_DSP2_ENA))
 401                         return;
 402
 403                 snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG,
 404                                     WM8958_MBC_ENA, 0);
 405                 snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL,
 406                               WM8958_DSP2_STOP);
 407                 snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM,
 408                                     WM8958_DSP2_ENA, 0);
 409                 snd_soc_component_update_bits(component, WM8994_CLOCKING_1,
 410                                     WM8958_DSP2CLK_ENA, 0);
 411
 412                 wm8994->dsp_active = -1;
 413
 414                 dev_dbg(component->dev, "DSP stopped\n");
 415         }
 416 }
 417
 418 int wm8958_aif_ev(struct snd_soc_dapm_widget *w,
 419                   struct snd_kcontrol *kcontrol, int event)
 420 {
 421         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 422         struct wm8994 *control = dev_get_drvdata(component->dev->parent);
 423         int i;
 424
 425         if (control->type != WM8958)
 426                 return 0;
 427
 428         switch (event) {
 429         case SND_SOC_DAPM_POST_PMU:
 430         case SND_SOC_DAPM_PRE_PMU:
 431                 for (i = 0; i < 3; i++)
 432                         wm8958_dsp_apply(component, i, 1);
 433                 break;
 434         case SND_SOC_DAPM_POST_PMD:
 435         case SND_SOC_DAPM_PRE_PMD:
 436                 for (i = 0; i < 3; i++)
 437                         wm8958_dsp_apply(component, i, 0);
 438                 break;
 439         }
 440
 441         return 0;
 442 }
 443
 444 /* Check if DSP2 is in use on another AIF */
 445 static int wm8958_dsp2_busy(struct wm8994_priv *wm8994, int aif)
 446 {
 447         int i;
 448
 449         for (i = 0; i < ARRAY_SIZE(wm8994->mbc_ena); i++) {
 450                 if (i == aif)
 451                         continue;
 452                 if (wm8994->mbc_ena[i] || wm8994->vss_ena[i] ||
 453                     wm8994->hpf1_ena[i] || wm8994->hpf2_ena[i])
 454                         return 1;
 455         }
 456
 457         return 0;
 458 }
 459
 460 static int wm8958_put_mbc_enum(struct snd_kcontrol *kcontrol,
 461                                struct snd_ctl_elem_value *ucontrol)
 462 {
 463         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 464         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 465         struct wm8994 *control = wm8994->wm8994;
 466         int value = ucontrol->value.enumerated.item[0];
 467         int reg;
 468
 469         /* Don't allow on the fly reconfiguration */
 470         reg = snd_soc_component_read32(component, WM8994_CLOCKING_1);
 471         if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
 472                 return -EBUSY;
 473
 474         if (value >= control->pdata.num_mbc_cfgs)
 475                 return -EINVAL;
 476
 477         wm8994->mbc_cfg = value;
 478
 479         return 0;
 480 }
 481
 482 static int wm8958_get_mbc_enum(struct snd_kcontrol *kcontrol,
 483                                struct snd_ctl_elem_value *ucontrol)
 484 {
 485         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 486         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 487
 488         ucontrol->value.enumerated.item[0] = wm8994->mbc_cfg;
 489
 490         return 0;
 491 }
 492
 493 static int wm8958_mbc_info(struct snd_kcontrol *kcontrol,
 494                            struct snd_ctl_elem_info *uinfo)
 495 {
 496         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 497         uinfo->count = 1;
 498         uinfo->value.integer.min = 0;
 499         uinfo->value.integer.max = 1;
 500         return 0;
 501 }
 502
 503 static int wm8958_mbc_get(struct snd_kcontrol *kcontrol,
 504                           struct snd_ctl_elem_value *ucontrol)
 505 {
 506         int mbc = kcontrol->private_value;
 507         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 508         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 509
 510         ucontrol->value.integer.value[0] = wm8994->mbc_ena[mbc];
 511
 512         return 0;
 513 }
 514
 515 static int wm8958_mbc_put(struct snd_kcontrol *kcontrol,
 516                           struct snd_ctl_elem_value *ucontrol)
 517 {
 518         int mbc = kcontrol->private_value;
 519         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 520         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 521
 522         if (wm8994->mbc_ena[mbc] == ucontrol->value.integer.value[0])
 523                 return 0;
 524
 525         if (ucontrol->value.integer.value[0] > 1)
 526                 return -EINVAL;
 527
 528         if (wm8958_dsp2_busy(wm8994, mbc)) {
 529                 dev_dbg(component->dev, "DSP2 active on %d already\n", mbc);
 530                 return -EBUSY;
 531         }
 532
 533         if (wm8994->enh_eq_ena[mbc])
 534                 return -EBUSY;
 535
 536         wm8994->mbc_ena[mbc] = ucontrol->value.integer.value[0];
 537
 538         wm8958_dsp_apply(component, mbc, wm8994->mbc_ena[mbc]);
 539
 540         return 1;
 541 }
 542
 543 #define WM8958_MBC_SWITCH(xname, xval) {\
 544         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 545         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 546         .info = wm8958_mbc_info, \
 547         .get = wm8958_mbc_get, .put = wm8958_mbc_put, \
 548         .private_value = xval }
 549
 550 static int wm8958_put_vss_enum(struct snd_kcontrol *kcontrol,
 551                                struct snd_ctl_elem_value *ucontrol)
 552 {
 553         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 554         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 555         struct wm8994 *control = wm8994->wm8994;
 556         int value = ucontrol->value.enumerated.item[0];
 557         int reg;
 558
 559         /* Don't allow on the fly reconfiguration */
 560         reg = snd_soc_component_read32(component, WM8994_CLOCKING_1);
 561         if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
 562                 return -EBUSY;
 563
 564         if (value >= control->pdata.num_vss_cfgs)
 565                 return -EINVAL;
 566
 567         wm8994->vss_cfg = value;
 568
 569         return 0;
 570 }
 571
 572 static int wm8958_get_vss_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
 578         ucontrol->value.enumerated.item[0] = wm8994->vss_cfg;
 579
 580         return 0;
 581 }
 582
 583 static int wm8958_put_vss_hpf_enum(struct snd_kcontrol *kcontrol,
 584                                    struct snd_ctl_elem_value *ucontrol)
 585 {
 586         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 587         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 588         struct wm8994 *control = wm8994->wm8994;
 589         int value = ucontrol->value.enumerated.item[0];
 590         int reg;
 591
 592         /* Don't allow on the fly reconfiguration */
 593         reg = snd_soc_component_read32(component, WM8994_CLOCKING_1);
 594         if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
 595                 return -EBUSY;
 596
 597         if (value >= control->pdata.num_vss_hpf_cfgs)
 598                 return -EINVAL;
 599
 600         wm8994->vss_hpf_cfg = value;
 601
 602         return 0;
 603 }
 604
 605 static int wm8958_get_vss_hpf_enum(struct snd_kcontrol *kcontrol,
 606                                    struct snd_ctl_elem_value *ucontrol)
 607 {
 608         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 609         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 610
 611         ucontrol->value.enumerated.item[0] = wm8994->vss_hpf_cfg;
 612
 613         return 0;
 614 }
 615
 616 static int wm8958_vss_info(struct snd_kcontrol *kcontrol,
 617                            struct snd_ctl_elem_info *uinfo)
 618 {
 619         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 620         uinfo->count = 1;
 621         uinfo->value.integer.min = 0;
 622         uinfo->value.integer.max = 1;
 623         return 0;
 624 }
 625
 626 static int wm8958_vss_get(struct snd_kcontrol *kcontrol,
 627                           struct snd_ctl_elem_value *ucontrol)
 628 {
 629         int vss = kcontrol->private_value;
 630         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 631         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 632
 633         ucontrol->value.integer.value[0] = wm8994->vss_ena[vss];
 634
 635         return 0;
 636 }
 637
 638 static int wm8958_vss_put(struct snd_kcontrol *kcontrol,
 639                           struct snd_ctl_elem_value *ucontrol)
 640 {
 641         int vss = kcontrol->private_value;
 642         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 643         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 644
 645         if (wm8994->vss_ena[vss] == ucontrol->value.integer.value[0])
 646                 return 0;
 647
 648         if (ucontrol->value.integer.value[0] > 1)
 649                 return -EINVAL;
 650
 651         if (!wm8994->mbc_vss)
 652                 return -ENODEV;
 653
 654         if (wm8958_dsp2_busy(wm8994, vss)) {
 655                 dev_dbg(component->dev, "DSP2 active on %d already\n", vss);
 656                 return -EBUSY;
 657         }
 658
 659         if (wm8994->enh_eq_ena[vss])
 660                 return -EBUSY;
 661
 662         wm8994->vss_ena[vss] = ucontrol->value.integer.value[0];
 663
 664         wm8958_dsp_apply(component, vss, wm8994->vss_ena[vss]);
 665
 666         return 1;
 667 }
 668
 669
 670 #define WM8958_VSS_SWITCH(xname, xval) {\
 671         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 672         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 673         .info = wm8958_vss_info, \
 674         .get = wm8958_vss_get, .put = wm8958_vss_put, \
 675         .private_value = xval }
 676
 677 static int wm8958_hpf_info(struct snd_kcontrol *kcontrol,
 678                            struct snd_ctl_elem_info *uinfo)
 679 {
 680         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 681         uinfo->count = 1;
 682         uinfo->value.integer.min = 0;
 683         uinfo->value.integer.max = 1;
 684         return 0;
 685 }
 686
 687 static int wm8958_hpf_get(struct snd_kcontrol *kcontrol,
 688                           struct snd_ctl_elem_value *ucontrol)
 689 {
 690         int hpf = kcontrol->private_value;
 691         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 692         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 693
 694         if (hpf < 3)
 695                 ucontrol->value.integer.value[0] = wm8994->hpf1_ena[hpf % 3];
 696         else
 697                 ucontrol->value.integer.value[0] = wm8994->hpf2_ena[hpf % 3];
 698
 699         return 0;
 700 }
 701
 702 static int wm8958_hpf_put(struct snd_kcontrol *kcontrol,
 703                           struct snd_ctl_elem_value *ucontrol)
 704 {
 705         int hpf = kcontrol->private_value;
 706         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 707         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 708
 709         if (hpf < 3) {
 710                 if (wm8994->hpf1_ena[hpf % 3] ==
 711                     ucontrol->value.integer.value[0])
 712                         return 0;
 713         } else {
 714                 if (wm8994->hpf2_ena[hpf % 3] ==
 715                     ucontrol->value.integer.value[0])
 716                         return 0;
 717         }
 718
 719         if (ucontrol->value.integer.value[0] > 1)
 720                 return -EINVAL;
 721
 722         if (!wm8994->mbc_vss)
 723                 return -ENODEV;
 724
 725         if (wm8958_dsp2_busy(wm8994, hpf % 3)) {
 726                 dev_dbg(component->dev, "DSP2 active on %d already\n", hpf);
 727                 return -EBUSY;
 728         }
 729
 730         if (wm8994->enh_eq_ena[hpf % 3])
 731                 return -EBUSY;
 732
 733         if (hpf < 3)
 734                 wm8994->hpf1_ena[hpf % 3] = ucontrol->value.integer.value[0];
 735         else
 736                 wm8994->hpf2_ena[hpf % 3] = ucontrol->value.integer.value[0];
 737
 738         wm8958_dsp_apply(component, hpf % 3, ucontrol->value.integer.value[0]);
 739
 740         return 1;
 741 }
 742
 743 #define WM8958_HPF_SWITCH(xname, xval) {\
 744         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 745         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 746         .info = wm8958_hpf_info, \
 747         .get = wm8958_hpf_get, .put = wm8958_hpf_put, \
 748         .private_value = xval }
 749
 750 static int wm8958_put_enh_eq_enum(struct snd_kcontrol *kcontrol,
 751                                   struct snd_ctl_elem_value *ucontrol)
 752 {
 753         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 754         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 755         struct wm8994 *control = wm8994->wm8994;
 756         int value = ucontrol->value.enumerated.item[0];
 757         int reg;
 758
 759         /* Don't allow on the fly reconfiguration */
 760         reg = snd_soc_component_read32(component, WM8994_CLOCKING_1);
 761         if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
 762                 return -EBUSY;
 763
 764         if (value >= control->pdata.num_enh_eq_cfgs)
 765                 return -EINVAL;
 766
 767         wm8994->enh_eq_cfg = value;
 768
 769         return 0;
 770 }
 771
 772 static int wm8958_get_enh_eq_enum(struct snd_kcontrol *kcontrol,
 773                                   struct snd_ctl_elem_value *ucontrol)
 774 {
 775         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 776         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 777
 778         ucontrol->value.enumerated.item[0] = wm8994->enh_eq_cfg;
 779
 780         return 0;
 781 }
 782
 783 static int wm8958_enh_eq_info(struct snd_kcontrol *kcontrol,
 784                            struct snd_ctl_elem_info *uinfo)
 785 {
 786         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 787         uinfo->count = 1;
 788         uinfo->value.integer.min = 0;
 789         uinfo->value.integer.max = 1;
 790         return 0;
 791 }
 792
 793 static int wm8958_enh_eq_get(struct snd_kcontrol *kcontrol,
 794                           struct snd_ctl_elem_value *ucontrol)
 795 {
 796         int eq = kcontrol->private_value;
 797         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 798         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 799
 800         ucontrol->value.integer.value[0] = wm8994->enh_eq_ena[eq];
 801
 802         return 0;
 803 }
 804
 805 static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol,
 806                           struct snd_ctl_elem_value *ucontrol)
 807 {
 808         int eq = kcontrol->private_value;
 809         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 810         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 811
 812         if (wm8994->enh_eq_ena[eq] == ucontrol->value.integer.value[0])
 813                 return 0;
 814
 815         if (ucontrol->value.integer.value[0] > 1)
 816                 return -EINVAL;
 817
 818         if (!wm8994->enh_eq)
 819                 return -ENODEV;
 820
 821         if (wm8958_dsp2_busy(wm8994, eq)) {
 822                 dev_dbg(component->dev, "DSP2 active on %d already\n", eq);
 823                 return -EBUSY;
 824         }
 825
 826         if (wm8994->mbc_ena[eq] || wm8994->vss_ena[eq] ||
 827             wm8994->hpf1_ena[eq] || wm8994->hpf2_ena[eq])
 828                 return -EBUSY;
 829
 830         wm8994->enh_eq_ena[eq] = ucontrol->value.integer.value[0];
 831
 832         wm8958_dsp_apply(component, eq, ucontrol->value.integer.value[0]);
 833
 834         return 1;
 835 }
 836
 837 #define WM8958_ENH_EQ_SWITCH(xname, xval) {\
 838         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 839         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 840         .info = wm8958_enh_eq_info, \
 841         .get = wm8958_enh_eq_get, .put = wm8958_enh_eq_put, \
 842         .private_value = xval }
 843
 844 static const struct snd_kcontrol_new wm8958_mbc_snd_controls[] = {
 845 WM8958_MBC_SWITCH("AIF1DAC1 MBC Switch", 0),
 846 WM8958_MBC_SWITCH("AIF1DAC2 MBC Switch", 1),
 847 WM8958_MBC_SWITCH("AIF2DAC MBC Switch", 2),
 848 };
 849
 850 static const struct snd_kcontrol_new wm8958_vss_snd_controls[] = {
 851 WM8958_VSS_SWITCH("AIF1DAC1 VSS Switch", 0),
 852 WM8958_VSS_SWITCH("AIF1DAC2 VSS Switch", 1),
 853 WM8958_VSS_SWITCH("AIF2DAC VSS Switch", 2),
 854 WM8958_HPF_SWITCH("AIF1DAC1 HPF1 Switch", 0),
 855 WM8958_HPF_SWITCH("AIF1DAC2 HPF1 Switch", 1),
 856 WM8958_HPF_SWITCH("AIF2DAC HPF1 Switch", 2),
 857 WM8958_HPF_SWITCH("AIF1DAC1 HPF2 Switch", 3),
 858 WM8958_HPF_SWITCH("AIF1DAC2 HPF2 Switch", 4),
 859 WM8958_HPF_SWITCH("AIF2DAC HPF2 Switch", 5),
 860 };
 861
 862 static const struct snd_kcontrol_new wm8958_enh_eq_snd_controls[] = {
 863 WM8958_ENH_EQ_SWITCH("AIF1DAC1 Enhanced EQ Switch", 0),
 864 WM8958_ENH_EQ_SWITCH("AIF1DAC2 Enhanced EQ Switch", 1),
 865 WM8958_ENH_EQ_SWITCH("AIF2DAC Enhanced EQ Switch", 2),
 866 };
 867
 868 static void wm8958_enh_eq_loaded(const struct firmware *fw, void *context)
 869 {
 870         struct snd_soc_component *component = context;
 871         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 872
 873         if (fw && (wm8958_dsp2_fw(component, "ENH_EQ", fw, true) == 0)) {
 874                 mutex_lock(&wm8994->fw_lock);
 875                 wm8994->enh_eq = fw;
 876                 mutex_unlock(&wm8994->fw_lock);
 877         }
 878 }
 879
 880 static void wm8958_mbc_vss_loaded(const struct firmware *fw, void *context)
 881 {
 882         struct snd_soc_component *component = context;
 883         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 884
 885         if (fw && (wm8958_dsp2_fw(component, "MBC+VSS", fw, true) == 0)) {
 886                 mutex_lock(&wm8994->fw_lock);
 887                 wm8994->mbc_vss = fw;
 888                 mutex_unlock(&wm8994->fw_lock);
 889         }
 890 }
 891
 892 static void wm8958_mbc_loaded(const struct firmware *fw, void *context)
 893 {
 894         struct snd_soc_component *component = context;
 895         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 896
 897         if (fw && (wm8958_dsp2_fw(component, "MBC", fw, true) == 0)) {
 898                 mutex_lock(&wm8994->fw_lock);
 899                 wm8994->mbc = fw;
 900                 mutex_unlock(&wm8994->fw_lock);
 901         }
 902 }
 903
 904 void wm8958_dsp2_init(struct snd_soc_component *component)
 905 {
 906         struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
 907         struct wm8994 *control = wm8994->wm8994;
 908         struct wm8994_pdata *pdata = &control->pdata;
 909         int ret, i;
 910
 911         wm8994->dsp_active = -1;
 912
 913         snd_soc_add_component_controls(component, wm8958_mbc_snd_controls,
 914                              ARRAY_SIZE(wm8958_mbc_snd_controls));
 915         snd_soc_add_component_controls(component, wm8958_vss_snd_controls,
 916                              ARRAY_SIZE(wm8958_vss_snd_controls));
 917         snd_soc_add_component_controls(component, wm8958_enh_eq_snd_controls,
 918                              ARRAY_SIZE(wm8958_enh_eq_snd_controls));
 919
 920
 921         /* We don't *require* firmware and don't want to delay boot */
 922         reject_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
 923                                 "/*(DEBLOBBED)*/", component->dev, GFP_KERNEL,
 924                                 component, wm8958_mbc_loaded);
 925         reject_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
 926                                 "/*(DEBLOBBED)*/", component->dev, GFP_KERNEL,
 927                                 component, wm8958_mbc_vss_loaded);
 928         reject_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
 929                                 "/*(DEBLOBBED)*/", component->dev, GFP_KERNEL,
 930                                 component, wm8958_enh_eq_loaded);
 931
 932         if (pdata->num_mbc_cfgs) {
 933                 struct snd_kcontrol_new control[] = {
 934                         SOC_ENUM_EXT("MBC Mode", wm8994->mbc_enum,
 935                                      wm8958_get_mbc_enum, wm8958_put_mbc_enum),
 936                 };
 937
 938                 /* We need an array of texts for the enum API */
 939                 wm8994->mbc_texts = kmalloc_array(pdata->num_mbc_cfgs,
 940                                                   sizeof(char *),
 941                                                   GFP_KERNEL);
 942                 if (!wm8994->mbc_texts)
 943                         return;
 944
 945                 for (i = 0; i < pdata->num_mbc_cfgs; i++)
 946                         wm8994->mbc_texts[i] = pdata->mbc_cfgs[i].name;
 947
 948                 wm8994->mbc_enum.items = pdata->num_mbc_cfgs;
 949                 wm8994->mbc_enum.texts = wm8994->mbc_texts;
 950
 951                 ret = snd_soc_add_component_controls(wm8994->hubs.component,
 952                                                  control, 1);
 953                 if (ret != 0)
 954                         dev_err(wm8994->hubs.component->dev,
 955                                 "Failed to add MBC mode controls: %d\n", ret);
 956         }
 957
 958         if (pdata->num_vss_cfgs) {
 959                 struct snd_kcontrol_new control[] = {
 960                         SOC_ENUM_EXT("VSS Mode", wm8994->vss_enum,
 961                                      wm8958_get_vss_enum, wm8958_put_vss_enum),
 962                 };
 963
 964                 /* We need an array of texts for the enum API */
 965                 wm8994->vss_texts = kmalloc_array(pdata->num_vss_cfgs,
 966                                                   sizeof(char *),
 967                                                   GFP_KERNEL);
 968                 if (!wm8994->vss_texts)
 969                         return;
 970
 971                 for (i = 0; i < pdata->num_vss_cfgs; i++)
 972                         wm8994->vss_texts[i] = pdata->vss_cfgs[i].name;
 973
 974                 wm8994->vss_enum.items = pdata->num_vss_cfgs;
 975                 wm8994->vss_enum.texts = wm8994->vss_texts;
 976
 977                 ret = snd_soc_add_component_controls(wm8994->hubs.component,
 978                                                  control, 1);
 979                 if (ret != 0)
 980                         dev_err(wm8994->hubs.component->dev,
 981                                 "Failed to add VSS mode controls: %d\n", ret);
 982         }
 983
 984         if (pdata->num_vss_hpf_cfgs) {
 985                 struct snd_kcontrol_new control[] = {
 986                         SOC_ENUM_EXT("VSS HPF Mode", wm8994->vss_hpf_enum,
 987                                      wm8958_get_vss_hpf_enum,
 988                                      wm8958_put_vss_hpf_enum),
 989                 };
 990
 991                 /* We need an array of texts for the enum API */
 992                 wm8994->vss_hpf_texts = kmalloc_array(pdata->num_vss_hpf_cfgs,
 993                                                       sizeof(char *),
 994                                                       GFP_KERNEL);
 995                 if (!wm8994->vss_hpf_texts)
 996                         return;
 997
 998                 for (i = 0; i < pdata->num_vss_hpf_cfgs; i++)
 999                         wm8994->vss_hpf_texts[i] = pdata->vss_hpf_cfgs[i].name;
1000
1001                 wm8994->vss_hpf_enum.items = pdata->num_vss_hpf_cfgs;
1002                 wm8994->vss_hpf_enum.texts = wm8994->vss_hpf_texts;
1003
1004                 ret = snd_soc_add_component_controls(wm8994->hubs.component,
1005                                                  control, 1);
1006                 if (ret != 0)
1007                         dev_err(wm8994->hubs.component->dev,
1008                                 "Failed to add VSS HPFmode controls: %d\n",
1009                                 ret);
1010         }
1011
1012         if (pdata->num_enh_eq_cfgs) {
1013                 struct snd_kcontrol_new control[] = {
1014                         SOC_ENUM_EXT("Enhanced EQ Mode", wm8994->enh_eq_enum,
1015                                      wm8958_get_enh_eq_enum,
1016                                      wm8958_put_enh_eq_enum),
1017                 };
1018
1019                 /* We need an array of texts for the enum API */
1020                 wm8994->enh_eq_texts = kmalloc_array(pdata->num_enh_eq_cfgs,
1021                                                      sizeof(char *),
1022                                                      GFP_KERNEL);
1023                 if (!wm8994->enh_eq_texts)
1024                         return;
1025
1026                 for (i = 0; i < pdata->num_enh_eq_cfgs; i++)
1027                         wm8994->enh_eq_texts[i] = pdata->enh_eq_cfgs[i].name;
1028
1029                 wm8994->enh_eq_enum.items = pdata->num_enh_eq_cfgs;
1030                 wm8994->enh_eq_enum.texts = wm8994->enh_eq_texts;
1031
1032                 ret = snd_soc_add_component_controls(wm8994->hubs.component,
1033                                                  control, 1);
1034                 if (ret != 0)
1035                         dev_err(wm8994->hubs.component->dev,
1036                                 "Failed to add enhanced EQ controls: %d\n",
1037                                 ret);
1038         }
1039 }