sound/soc/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_codec *codec, const char *name,
  43                           const struct firmware *fw, bool check)
  44 {
  45         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
  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(codec->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(codec->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(codec->dev, "%s: unsupported firmware version %d\n",
  78                         name, (data32 >> 24) & 0xff);
  79                 goto err;
  80         }
  81         if ((data32 & 0xffff) != 8958) {
  82                 dev_err(codec->dev, "%s: unsupported target device %d\n",
  83                         name, data32 & 0xffff);
  84                 goto err;
  85         }
  86         if (((data32 >> 16) & 0xff) != 0xc) {
  87                 dev_err(codec->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(codec->dev, "%s timestamp %llx\n",
  95                          name, be64_to_cpu(data64));
  96         } else {
  97                 snd_soc_write(codec, 0x102, 0x2);
  98                 snd_soc_write(codec, 0x900, 0x2);
  99         }
 100
 101         data = fw->data + len;
 102         len = fw->size - len;
 103         while (len) {
 104                 if (len < 12) {
 105                         dev_err(codec->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(codec->dev, "%zd byte block longer than file\n",
 114                                 block_len);
 115                         goto err;
 116                 }
 117                 if (block_len == 0) {
 118                         dev_err(codec->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(codec->dev, "%s: %s\n", name, str);
 135                                 kfree(str);
 136                         } else {
 137                                 dev_err(codec->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(codec->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(codec->control_data,
 157                                           data32 & 0xffffff,
 158                                           block_len / 2,
 159                                           (void *)(data + 8));
 160
 161                         break;
 162                 default:
 163                         dev_warn(codec->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(codec->dev, "%s: download done\n", name);
 177                 wm8994->cur_fw = fw;
 178         } else {
 179                 dev_info(codec->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_write(codec, 0x900, 0x0);
 189                 snd_soc_write(codec, 0x102, 0x0);
 190         }
 191
 192         return ret;
 193 }
 194
 195 static void wm8958_dsp_start_mbc(struct snd_soc_codec *codec, int path)
 196 {
 197         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 198         struct wm8994 *control = wm8994->wm8994;
 199         int i;
 200
 201         /* If the DSP is already running then noop */
 202         if (snd_soc_read(codec, 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(codec, "MBC", wm8994->mbc, false);
 208
 209         snd_soc_update_bits(codec, 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_write(codec, 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_write(codec,
 223                                       i + WM8958_MBC_BAND_2_LOWER_CUTOFF_C1_1,
 224                                       cfg->cutoff_regs[i]);
 225         }
 226
 227         /* Run the DSP */
 228         snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
 229                       WM8958_DSP2_RUNR);
 230
 231         /* And we're off! */
 232         snd_soc_update_bits(codec, 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_codec *codec, int path)
 240 {
 241         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 242         struct wm8994 *control = wm8994->wm8994;
 243         int i, ena;
 244
 245         if (wm8994->mbc_vss)
 246                 wm8958_dsp2_fw(codec, "MBC+VSS", wm8994->mbc_vss, false);
 247
 248         snd_soc_update_bits(codec, 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_write(codec, 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_write(codec, 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_write(codec, i + 0x2400, cfg->regs[i]);
 275         }
 276
 277         /* Run the DSP */
 278         snd_soc_write(codec, 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_write(codec, 0x2201, ena);
 293
 294         /* Switch the DSP into the data path */
 295         snd_soc_update_bits(codec, 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_codec *codec, int path)
 301 {
 302         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 303         struct wm8994 *control = wm8994->wm8994;
 304         int i;
 305
 306         wm8958_dsp2_fw(codec, "ENH_EQ", wm8994->enh_eq, false);
 307
 308         snd_soc_update_bits(codec, 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_write(codec, i + 0x2200,
 318                                       cfg->regs[i]);
 319         }
 320
 321         /* Run the DSP */
 322         snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
 323                       WM8958_DSP2_RUNR);
 324
 325         /* Switch the DSP into the data path */
 326         snd_soc_update_bits(codec, 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_codec *codec, int path, int start)
 332 {
 333         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 334         int pwr_reg = snd_soc_read(codec, 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                 BUG();
 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_read(codec, WM8958_DSP2_PROGRAM);
 363
 364         dev_dbg(codec->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_read(codec, WM8994_AIF1_CLOCKING_1)
 374                       & WM8994_AIF1CLK_ENA_MASK) &&
 375                     !(snd_soc_read(codec, WM8994_AIF2_CLOCKING_1)
 376                       & WM8994_AIF2CLK_ENA_MASK))
 377                         return;
 378
 379                 /* Switch the clock over to the appropriate AIF */
 380                 snd_soc_update_bits(codec, 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(codec, path);
 387                 else if (wm8994->vss_ena[path] || wm8994->hpf1_ena[path] ||
 388                     wm8994->hpf2_ena[path])
 389                         wm8958_dsp_start_vss(codec, path);
 390                 else if (wm8994->mbc_ena[path])
 391                         wm8958_dsp_start_mbc(codec, path);
 392
 393                 wm8994->dsp_active = path;
 394
 395                 dev_dbg(codec->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_update_bits(codec, WM8958_DSP2_CONFIG,
 404                                     WM8958_MBC_ENA, 0);
 405                 snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
 406                               WM8958_DSP2_STOP);
 407                 snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
 408                                     WM8958_DSP2_ENA, 0);
 409                 snd_soc_update_bits(codec, WM8994_CLOCKING_1,
 410                                     WM8958_DSP2CLK_ENA, 0);
 411
 412                 wm8994->dsp_active = -1;
 413
 414                 dev_dbg(codec->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_codec *codec = w->codec;
 422         int i;
 423
 424         switch (event) {
 425         case SND_SOC_DAPM_POST_PMU:
 426         case SND_SOC_DAPM_PRE_PMU:
 427                 for (i = 0; i < 3; i++)
 428                         wm8958_dsp_apply(codec, i, 1);
 429                 break;
 430         case SND_SOC_DAPM_POST_PMD:
 431         case SND_SOC_DAPM_PRE_PMD:
 432                 for (i = 0; i < 3; i++)
 433                         wm8958_dsp_apply(codec, i, 0);
 434                 break;
 435         }
 436
 437         return 0;
 438 }
 439
 440 /* Check if DSP2 is in use on another AIF */
 441 static int wm8958_dsp2_busy(struct wm8994_priv *wm8994, int aif)
 442 {
 443         int i;
 444
 445         for (i = 0; i < ARRAY_SIZE(wm8994->mbc_ena); i++) {
 446                 if (i == aif)
 447                         continue;
 448                 if (wm8994->mbc_ena[i] || wm8994->vss_ena[i] ||
 449                     wm8994->hpf1_ena[i] || wm8994->hpf2_ena[i])
 450                         return 1;
 451         }
 452
 453         return 0;
 454 }
 455
 456 static int wm8958_put_mbc_enum(struct snd_kcontrol *kcontrol,
 457                                struct snd_ctl_elem_value *ucontrol)
 458 {
 459         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 460         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 461         struct wm8994 *control = wm8994->wm8994;
 462         int value = ucontrol->value.integer.value[0];
 463         int reg;
 464
 465         /* Don't allow on the fly reconfiguration */
 466         reg = snd_soc_read(codec, WM8994_CLOCKING_1);
 467         if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
 468                 return -EBUSY;
 469
 470         if (value >= control->pdata.num_mbc_cfgs)
 471                 return -EINVAL;
 472
 473         wm8994->mbc_cfg = value;
 474
 475         return 0;
 476 }
 477
 478 static int wm8958_get_mbc_enum(struct snd_kcontrol *kcontrol,
 479                                struct snd_ctl_elem_value *ucontrol)
 480 {
 481         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 482         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 483
 484         ucontrol->value.enumerated.item[0] = wm8994->mbc_cfg;
 485
 486         return 0;
 487 }
 488
 489 static int wm8958_mbc_info(struct snd_kcontrol *kcontrol,
 490                            struct snd_ctl_elem_info *uinfo)
 491 {
 492         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 493         uinfo->count = 1;
 494         uinfo->value.integer.min = 0;
 495         uinfo->value.integer.max = 1;
 496         return 0;
 497 }
 498
 499 static int wm8958_mbc_get(struct snd_kcontrol *kcontrol,
 500                           struct snd_ctl_elem_value *ucontrol)
 501 {
 502         int mbc = kcontrol->private_value;
 503         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 504         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 505
 506         ucontrol->value.integer.value[0] = wm8994->mbc_ena[mbc];
 507
 508         return 0;
 509 }
 510
 511 static int wm8958_mbc_put(struct snd_kcontrol *kcontrol,
 512                           struct snd_ctl_elem_value *ucontrol)
 513 {
 514         int mbc = kcontrol->private_value;
 515         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 516         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 517
 518         if (wm8994->mbc_ena[mbc] == ucontrol->value.integer.value[0])
 519                 return 0;
 520
 521         if (ucontrol->value.integer.value[0] > 1)
 522                 return -EINVAL;
 523
 524         if (wm8958_dsp2_busy(wm8994, mbc)) {
 525                 dev_dbg(codec->dev, "DSP2 active on %d already\n", mbc);
 526                 return -EBUSY;
 527         }
 528
 529         if (wm8994->enh_eq_ena[mbc])
 530                 return -EBUSY;
 531
 532         wm8994->mbc_ena[mbc] = ucontrol->value.integer.value[0];
 533
 534         wm8958_dsp_apply(codec, mbc, wm8994->mbc_ena[mbc]);
 535
 536         return 0;
 537 }
 538
 539 #define WM8958_MBC_SWITCH(xname, xval) {\
 540         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 541         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 542         .info = wm8958_mbc_info, \
 543         .get = wm8958_mbc_get, .put = wm8958_mbc_put, \
 544         .private_value = xval }
 545
 546 static int wm8958_put_vss_enum(struct snd_kcontrol *kcontrol,
 547                                struct snd_ctl_elem_value *ucontrol)
 548 {
 549         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 550         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 551         struct wm8994 *control = wm8994->wm8994;
 552         int value = ucontrol->value.integer.value[0];
 553         int reg;
 554
 555         /* Don't allow on the fly reconfiguration */
 556         reg = snd_soc_read(codec, WM8994_CLOCKING_1);
 557         if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
 558                 return -EBUSY;
 559
 560         if (value >= control->pdata.num_vss_cfgs)
 561                 return -EINVAL;
 562
 563         wm8994->vss_cfg = value;
 564
 565         return 0;
 566 }
 567
 568 static int wm8958_get_vss_enum(struct snd_kcontrol *kcontrol,
 569                                struct snd_ctl_elem_value *ucontrol)
 570 {
 571         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 572         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 573
 574         ucontrol->value.enumerated.item[0] = wm8994->vss_cfg;
 575
 576         return 0;
 577 }
 578
 579 static int wm8958_put_vss_hpf_enum(struct snd_kcontrol *kcontrol,
 580                                    struct snd_ctl_elem_value *ucontrol)
 581 {
 582         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 583         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 584         struct wm8994 *control = wm8994->wm8994;
 585         int value = ucontrol->value.integer.value[0];
 586         int reg;
 587
 588         /* Don't allow on the fly reconfiguration */
 589         reg = snd_soc_read(codec, WM8994_CLOCKING_1);
 590         if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
 591                 return -EBUSY;
 592
 593         if (value >= control->pdata.num_vss_hpf_cfgs)
 594                 return -EINVAL;
 595
 596         wm8994->vss_hpf_cfg = value;
 597
 598         return 0;
 599 }
 600
 601 static int wm8958_get_vss_hpf_enum(struct snd_kcontrol *kcontrol,
 602                                    struct snd_ctl_elem_value *ucontrol)
 603 {
 604         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 605         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 606
 607         ucontrol->value.enumerated.item[0] = wm8994->vss_hpf_cfg;
 608
 609         return 0;
 610 }
 611
 612 static int wm8958_vss_info(struct snd_kcontrol *kcontrol,
 613                            struct snd_ctl_elem_info *uinfo)
 614 {
 615         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 616         uinfo->count = 1;
 617         uinfo->value.integer.min = 0;
 618         uinfo->value.integer.max = 1;
 619         return 0;
 620 }
 621
 622 static int wm8958_vss_get(struct snd_kcontrol *kcontrol,
 623                           struct snd_ctl_elem_value *ucontrol)
 624 {
 625         int vss = kcontrol->private_value;
 626         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 627         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 628
 629         ucontrol->value.integer.value[0] = wm8994->vss_ena[vss];
 630
 631         return 0;
 632 }
 633
 634 static int wm8958_vss_put(struct snd_kcontrol *kcontrol,
 635                           struct snd_ctl_elem_value *ucontrol)
 636 {
 637         int vss = kcontrol->private_value;
 638         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 639         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 640
 641         if (wm8994->vss_ena[vss] == ucontrol->value.integer.value[0])
 642                 return 0;
 643
 644         if (ucontrol->value.integer.value[0] > 1)
 645                 return -EINVAL;
 646
 647         if (!wm8994->mbc_vss)
 648                 return -ENODEV;
 649
 650         if (wm8958_dsp2_busy(wm8994, vss)) {
 651                 dev_dbg(codec->dev, "DSP2 active on %d already\n", vss);
 652                 return -EBUSY;
 653         }
 654
 655         if (wm8994->enh_eq_ena[vss])
 656                 return -EBUSY;
 657
 658         wm8994->vss_ena[vss] = ucontrol->value.integer.value[0];
 659
 660         wm8958_dsp_apply(codec, vss, wm8994->vss_ena[vss]);
 661
 662         return 0;
 663 }
 664
 665
 666 #define WM8958_VSS_SWITCH(xname, xval) {\
 667         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 668         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 669         .info = wm8958_vss_info, \
 670         .get = wm8958_vss_get, .put = wm8958_vss_put, \
 671         .private_value = xval }
 672
 673 static int wm8958_hpf_info(struct snd_kcontrol *kcontrol,
 674                            struct snd_ctl_elem_info *uinfo)
 675 {
 676         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 677         uinfo->count = 1;
 678         uinfo->value.integer.min = 0;
 679         uinfo->value.integer.max = 1;
 680         return 0;
 681 }
 682
 683 static int wm8958_hpf_get(struct snd_kcontrol *kcontrol,
 684                           struct snd_ctl_elem_value *ucontrol)
 685 {
 686         int hpf = kcontrol->private_value;
 687         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 688         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 689
 690         if (hpf < 3)
 691                 ucontrol->value.integer.value[0] = wm8994->hpf1_ena[hpf % 3];
 692         else
 693                 ucontrol->value.integer.value[0] = wm8994->hpf2_ena[hpf % 3];
 694
 695         return 0;
 696 }
 697
 698 static int wm8958_hpf_put(struct snd_kcontrol *kcontrol,
 699                           struct snd_ctl_elem_value *ucontrol)
 700 {
 701         int hpf = kcontrol->private_value;
 702         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 703         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 704
 705         if (hpf < 3) {
 706                 if (wm8994->hpf1_ena[hpf % 3] ==
 707                     ucontrol->value.integer.value[0])
 708                         return 0;
 709         } else {
 710                 if (wm8994->hpf2_ena[hpf % 3] ==
 711                     ucontrol->value.integer.value[0])
 712                         return 0;
 713         }
 714
 715         if (ucontrol->value.integer.value[0] > 1)
 716                 return -EINVAL;
 717
 718         if (!wm8994->mbc_vss)
 719                 return -ENODEV;
 720
 721         if (wm8958_dsp2_busy(wm8994, hpf % 3)) {
 722                 dev_dbg(codec->dev, "DSP2 active on %d already\n", hpf);
 723                 return -EBUSY;
 724         }
 725
 726         if (wm8994->enh_eq_ena[hpf % 3])
 727                 return -EBUSY;
 728
 729         if (hpf < 3)
 730                 wm8994->hpf1_ena[hpf % 3] = ucontrol->value.integer.value[0];
 731         else
 732                 wm8994->hpf2_ena[hpf % 3] = ucontrol->value.integer.value[0];
 733
 734         wm8958_dsp_apply(codec, hpf % 3, ucontrol->value.integer.value[0]);
 735
 736         return 0;
 737 }
 738
 739 #define WM8958_HPF_SWITCH(xname, xval) {\
 740         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 741         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 742         .info = wm8958_hpf_info, \
 743         .get = wm8958_hpf_get, .put = wm8958_hpf_put, \
 744         .private_value = xval }
 745
 746 static int wm8958_put_enh_eq_enum(struct snd_kcontrol *kcontrol,
 747                                   struct snd_ctl_elem_value *ucontrol)
 748 {
 749         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 750         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 751         struct wm8994 *control = wm8994->wm8994;
 752         int value = ucontrol->value.integer.value[0];
 753         int reg;
 754
 755         /* Don't allow on the fly reconfiguration */
 756         reg = snd_soc_read(codec, WM8994_CLOCKING_1);
 757         if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
 758                 return -EBUSY;
 759
 760         if (value >= control->pdata.num_enh_eq_cfgs)
 761                 return -EINVAL;
 762
 763         wm8994->enh_eq_cfg = value;
 764
 765         return 0;
 766 }
 767
 768 static int wm8958_get_enh_eq_enum(struct snd_kcontrol *kcontrol,
 769                                   struct snd_ctl_elem_value *ucontrol)
 770 {
 771         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 772         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 773
 774         ucontrol->value.enumerated.item[0] = wm8994->enh_eq_cfg;
 775
 776         return 0;
 777 }
 778
 779 static int wm8958_enh_eq_info(struct snd_kcontrol *kcontrol,
 780                            struct snd_ctl_elem_info *uinfo)
 781 {
 782         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 783         uinfo->count = 1;
 784         uinfo->value.integer.min = 0;
 785         uinfo->value.integer.max = 1;
 786         return 0;
 787 }
 788
 789 static int wm8958_enh_eq_get(struct snd_kcontrol *kcontrol,
 790                           struct snd_ctl_elem_value *ucontrol)
 791 {
 792         int eq = kcontrol->private_value;
 793         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 794         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 795
 796         ucontrol->value.integer.value[0] = wm8994->enh_eq_ena[eq];
 797
 798         return 0;
 799 }
 800
 801 static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol,
 802                           struct snd_ctl_elem_value *ucontrol)
 803 {
 804         int eq = kcontrol->private_value;
 805         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 806         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 807
 808         if (wm8994->enh_eq_ena[eq] == ucontrol->value.integer.value[0])
 809                 return 0;
 810
 811         if (ucontrol->value.integer.value[0] > 1)
 812                 return -EINVAL;
 813
 814         if (!wm8994->enh_eq)
 815                 return -ENODEV;
 816
 817         if (wm8958_dsp2_busy(wm8994, eq)) {
 818                 dev_dbg(codec->dev, "DSP2 active on %d already\n", eq);
 819                 return -EBUSY;
 820         }
 821
 822         if (wm8994->mbc_ena[eq] || wm8994->vss_ena[eq] ||
 823             wm8994->hpf1_ena[eq] || wm8994->hpf2_ena[eq])
 824                 return -EBUSY;
 825
 826         wm8994->enh_eq_ena[eq] = ucontrol->value.integer.value[0];
 827
 828         wm8958_dsp_apply(codec, eq, ucontrol->value.integer.value[0]);
 829
 830         return 0;
 831 }
 832
 833 #define WM8958_ENH_EQ_SWITCH(xname, xval) {\
 834         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 835         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 836         .info = wm8958_enh_eq_info, \
 837         .get = wm8958_enh_eq_get, .put = wm8958_enh_eq_put, \
 838         .private_value = xval }
 839
 840 static const struct snd_kcontrol_new wm8958_mbc_snd_controls[] = {
 841 WM8958_MBC_SWITCH("AIF1DAC1 MBC Switch", 0),
 842 WM8958_MBC_SWITCH("AIF1DAC2 MBC Switch", 1),
 843 WM8958_MBC_SWITCH("AIF2DAC MBC Switch", 2),
 844 };
 845
 846 static const struct snd_kcontrol_new wm8958_vss_snd_controls[] = {
 847 WM8958_VSS_SWITCH("AIF1DAC1 VSS Switch", 0),
 848 WM8958_VSS_SWITCH("AIF1DAC2 VSS Switch", 1),
 849 WM8958_VSS_SWITCH("AIF2DAC VSS Switch", 2),
 850 WM8958_HPF_SWITCH("AIF1DAC1 HPF1 Switch", 0),
 851 WM8958_HPF_SWITCH("AIF1DAC2 HPF1 Switch", 1),
 852 WM8958_HPF_SWITCH("AIF2DAC HPF1 Switch", 2),
 853 WM8958_HPF_SWITCH("AIF1DAC1 HPF2 Switch", 3),
 854 WM8958_HPF_SWITCH("AIF1DAC2 HPF2 Switch", 4),
 855 WM8958_HPF_SWITCH("AIF2DAC HPF2 Switch", 5),
 856 };
 857
 858 static const struct snd_kcontrol_new wm8958_enh_eq_snd_controls[] = {
 859 WM8958_ENH_EQ_SWITCH("AIF1DAC1 Enhanced EQ Switch", 0),
 860 WM8958_ENH_EQ_SWITCH("AIF1DAC2 Enhanced EQ Switch", 1),
 861 WM8958_ENH_EQ_SWITCH("AIF2DAC Enhanced EQ Switch", 2),
 862 };
 863
 864 static void wm8958_enh_eq_loaded(const struct firmware *fw, void *context)
 865 {
 866         struct snd_soc_codec *codec = context;
 867         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 868
 869         if (fw && (wm8958_dsp2_fw(codec, "ENH_EQ", fw, true) == 0)) {
 870                 mutex_lock(&codec->mutex);
 871                 wm8994->enh_eq = fw;
 872                 mutex_unlock(&codec->mutex);
 873         }
 874 }
 875
 876 static void wm8958_mbc_vss_loaded(const struct firmware *fw, void *context)
 877 {
 878         struct snd_soc_codec *codec = context;
 879         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 880
 881         if (fw && (wm8958_dsp2_fw(codec, "MBC+VSS", fw, true) == 0)) {
 882                 mutex_lock(&codec->mutex);
 883                 wm8994->mbc_vss = fw;
 884                 mutex_unlock(&codec->mutex);
 885         }
 886 }
 887
 888 static void wm8958_mbc_loaded(const struct firmware *fw, void *context)
 889 {
 890         struct snd_soc_codec *codec = context;
 891         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 892
 893         if (fw && (wm8958_dsp2_fw(codec, "MBC", fw, true) == 0)) {
 894                 mutex_lock(&codec->mutex);
 895                 wm8994->mbc = fw;
 896                 mutex_unlock(&codec->mutex);
 897         }
 898 }
 899
 900 void wm8958_dsp2_init(struct snd_soc_codec *codec)
 901 {
 902         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 903         struct wm8994 *control = wm8994->wm8994;
 904         struct wm8994_pdata *pdata = &control->pdata;
 905         int ret, i;
 906
 907         wm8994->dsp_active = -1;
 908
 909         snd_soc_add_codec_controls(codec, wm8958_mbc_snd_controls,
 910                              ARRAY_SIZE(wm8958_mbc_snd_controls));
 911         snd_soc_add_codec_controls(codec, wm8958_vss_snd_controls,
 912                              ARRAY_SIZE(wm8958_vss_snd_controls));
 913         snd_soc_add_codec_controls(codec, wm8958_enh_eq_snd_controls,
 914                              ARRAY_SIZE(wm8958_enh_eq_snd_controls));
 915
 916
 917         /* We don't *require* firmware and don't want to delay boot */
 918         request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
 919                                 "wm8958_mbc.wfw", codec->dev, GFP_KERNEL,
 920                                 codec, wm8958_mbc_loaded);
 921         request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
 922                                 "wm8958_mbc_vss.wfw", codec->dev, GFP_KERNEL,
 923                                 codec, wm8958_mbc_vss_loaded);
 924         request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
 925                                 "wm8958_enh_eq.wfw", codec->dev, GFP_KERNEL,
 926                                 codec, wm8958_enh_eq_loaded);
 927
 928         if (pdata->num_mbc_cfgs) {
 929                 struct snd_kcontrol_new control[] = {
 930                         SOC_ENUM_EXT("MBC Mode", wm8994->mbc_enum,
 931                                      wm8958_get_mbc_enum, wm8958_put_mbc_enum),
 932                 };
 933
 934                 /* We need an array of texts for the enum API */
 935                 wm8994->mbc_texts = kmalloc(sizeof(char *)
 936                                             * pdata->num_mbc_cfgs, GFP_KERNEL);
 937                 if (!wm8994->mbc_texts) {
 938                         dev_err(wm8994->hubs.codec->dev,
 939                                 "Failed to allocate %d MBC config texts\n",
 940                                 pdata->num_mbc_cfgs);
 941                         return;
 942                 }
 943
 944                 for (i = 0; i < pdata->num_mbc_cfgs; i++)
 945                         wm8994->mbc_texts[i] = pdata->mbc_cfgs[i].name;
 946
 947                 wm8994->mbc_enum.max = pdata->num_mbc_cfgs;
 948                 wm8994->mbc_enum.texts = wm8994->mbc_texts;
 949
 950                 ret = snd_soc_add_codec_controls(wm8994->hubs.codec,
 951                                                  control, 1);
 952                 if (ret != 0)
 953                         dev_err(wm8994->hubs.codec->dev,
 954                                 "Failed to add MBC mode controls: %d\n", ret);
 955         }
 956
 957         if (pdata->num_vss_cfgs) {
 958                 struct snd_kcontrol_new control[] = {
 959                         SOC_ENUM_EXT("VSS Mode", wm8994->vss_enum,
 960                                      wm8958_get_vss_enum, wm8958_put_vss_enum),
 961                 };
 962
 963                 /* We need an array of texts for the enum API */
 964                 wm8994->vss_texts = kmalloc(sizeof(char *)
 965                                             * pdata->num_vss_cfgs, GFP_KERNEL);
 966                 if (!wm8994->vss_texts) {
 967                         dev_err(wm8994->hubs.codec->dev,
 968                                 "Failed to allocate %d VSS config texts\n",
 969                                 pdata->num_vss_cfgs);
 970                         return;
 971                 }
 972
 973                 for (i = 0; i < pdata->num_vss_cfgs; i++)
 974                         wm8994->vss_texts[i] = pdata->vss_cfgs[i].name;
 975
 976                 wm8994->vss_enum.max = pdata->num_vss_cfgs;
 977                 wm8994->vss_enum.texts = wm8994->vss_texts;
 978
 979                 ret = snd_soc_add_codec_controls(wm8994->hubs.codec,
 980                                                  control, 1);
 981                 if (ret != 0)
 982                         dev_err(wm8994->hubs.codec->dev,
 983                                 "Failed to add VSS mode controls: %d\n", ret);
 984         }
 985
 986         if (pdata->num_vss_hpf_cfgs) {
 987                 struct snd_kcontrol_new control[] = {
 988                         SOC_ENUM_EXT("VSS HPF Mode", wm8994->vss_hpf_enum,
 989                                      wm8958_get_vss_hpf_enum,
 990                                      wm8958_put_vss_hpf_enum),
 991                 };
 992
 993                 /* We need an array of texts for the enum API */
 994                 wm8994->vss_hpf_texts = kmalloc(sizeof(char *)
 995                                                 * pdata->num_vss_hpf_cfgs, GFP_KERNEL);
 996                 if (!wm8994->vss_hpf_texts) {
 997                         dev_err(wm8994->hubs.codec->dev,
 998                                 "Failed to allocate %d VSS HPF config texts\n",
 999                                 pdata->num_vss_hpf_cfgs);
1000                         return;
1001                 }
1002
1003                 for (i = 0; i < pdata->num_vss_hpf_cfgs; i++)
1004                         wm8994->vss_hpf_texts[i] = pdata->vss_hpf_cfgs[i].name;
1005
1006                 wm8994->vss_hpf_enum.max = pdata->num_vss_hpf_cfgs;
1007                 wm8994->vss_hpf_enum.texts = wm8994->vss_hpf_texts;
1008
1009                 ret = snd_soc_add_codec_controls(wm8994->hubs.codec,
1010                                                  control, 1);
1011                 if (ret != 0)
1012                         dev_err(wm8994->hubs.codec->dev,
1013                                 "Failed to add VSS HPFmode controls: %d\n",
1014                                 ret);
1015         }
1016
1017         if (pdata->num_enh_eq_cfgs) {
1018                 struct snd_kcontrol_new control[] = {
1019                         SOC_ENUM_EXT("Enhanced EQ Mode", wm8994->enh_eq_enum,
1020                                      wm8958_get_enh_eq_enum,
1021                                      wm8958_put_enh_eq_enum),
1022                 };
1023
1024                 /* We need an array of texts for the enum API */
1025                 wm8994->enh_eq_texts = kmalloc(sizeof(char *)
1026                                                 * pdata->num_enh_eq_cfgs, GFP_KERNEL);
1027                 if (!wm8994->enh_eq_texts) {
1028                         dev_err(wm8994->hubs.codec->dev,
1029                                 "Failed to allocate %d enhanced EQ config texts\n",
1030                                 pdata->num_enh_eq_cfgs);
1031                         return;
1032                 }
1033
1034                 for (i = 0; i < pdata->num_enh_eq_cfgs; i++)
1035                         wm8994->enh_eq_texts[i] = pdata->enh_eq_cfgs[i].name;
1036
1037                 wm8994->enh_eq_enum.max = pdata->num_enh_eq_cfgs;
1038                 wm8994->enh_eq_enum.texts = wm8994->enh_eq_texts;
1039
1040                 ret = snd_soc_add_codec_controls(wm8994->hubs.codec,
1041                                                  control, 1);
1042                 if (ret != 0)
1043                         dev_err(wm8994->hubs.codec->dev,
1044                                 "Failed to add enhanced EQ controls: %d\n",
1045                                 ret);
1046         }
1047 }