sound/pci/trident/trident_main.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  Maintained by Jaroslav Kysela <perex@perex.cz>
   4  *  Originated by audio@tridentmicro.com
   5  *  Fri Feb 19 15:55:28 MST 1999
   6  *  Routines for control of Trident 4DWave (DX and NX) chip
   7  *
   8  *  BUGS:
   9  *
  10  *  TODO:
  11  *    ---
  12  *
  13  *  SiS7018 S/PDIF support by Thomas Winischhofer <thomas@winischhofer.net>
  14  */
  15
  16 #include <linux/delay.h>
  17 #include <linux/init.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/pci.h>
  20 #include <linux/slab.h>
  21 #include <linux/vmalloc.h>
  22 #include <linux/gameport.h>
  23 #include <linux/dma-mapping.h>
  24 #include <linux/export.h>
  25 #include <linux/io.h>
  26
  27 #include <sound/core.h>
  28 #include <sound/info.h>
  29 #include <sound/control.h>
  30 #include <sound/tlv.h>
  31 #include "trident.h"
  32 #include <sound/asoundef.h>
  33
  34 static int snd_trident_pcm_mixer_build(struct snd_trident *trident,
  35                                        struct snd_trident_voice * voice,
  36                                        struct snd_pcm_substream *substream);
  37 static int snd_trident_pcm_mixer_free(struct snd_trident *trident,
  38                                       struct snd_trident_voice * voice,
  39                                       struct snd_pcm_substream *substream);
  40 static irqreturn_t snd_trident_interrupt(int irq, void *dev_id);
  41 static int snd_trident_sis_reset(struct snd_trident *trident);
  42
  43 static void snd_trident_clear_voices(struct snd_trident * trident,
  44                                      unsigned short v_min, unsigned short v_max);
  45 static void snd_trident_free(struct snd_card *card);
  46
  47 /*
  48  *  common I/O routines
  49  */
  50
  51
  52 #if 0
  53 static void snd_trident_print_voice_regs(struct snd_trident *trident, int voice)
  54 {
  55         unsigned int val, tmp;
  56
  57         dev_dbg(trident->card->dev, "Trident voice %i:\n", voice);
  58         outb(voice, TRID_REG(trident, T4D_LFO_GC_CIR));
  59         val = inl(TRID_REG(trident, CH_LBA));
  60         dev_dbg(trident->card->dev, "LBA: 0x%x\n", val);
  61         val = inl(TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC));
  62         dev_dbg(trident->card->dev, "GVSel: %i\n", val >> 31);
  63         dev_dbg(trident->card->dev, "Pan: 0x%x\n", (val >> 24) & 0x7f);
  64         dev_dbg(trident->card->dev, "Vol: 0x%x\n", (val >> 16) & 0xff);
  65         dev_dbg(trident->card->dev, "CTRL: 0x%x\n", (val >> 12) & 0x0f);
  66         dev_dbg(trident->card->dev, "EC: 0x%x\n", val & 0x0fff);
  67         if (trident->device != TRIDENT_DEVICE_ID_NX) {
  68                 val = inl(TRID_REG(trident, CH_DX_CSO_ALPHA_FMS));
  69                 dev_dbg(trident->card->dev, "CSO: 0x%x\n", val >> 16);
  70                 dev_dbg(trident->card->dev, "Alpha: 0x%x\n", (val >> 4) & 0x0fff);
  71                 dev_dbg(trident->card->dev, "FMS: 0x%x\n", val & 0x0f);
  72                 val = inl(TRID_REG(trident, CH_DX_ESO_DELTA));
  73                 dev_dbg(trident->card->dev, "ESO: 0x%x\n", val >> 16);
  74                 dev_dbg(trident->card->dev, "Delta: 0x%x\n", val & 0xffff);
  75                 val = inl(TRID_REG(trident, CH_DX_FMC_RVOL_CVOL));
  76         } else {                // TRIDENT_DEVICE_ID_NX
  77                 val = inl(TRID_REG(trident, CH_NX_DELTA_CSO));
  78                 tmp = (val >> 24) & 0xff;
  79                 dev_dbg(trident->card->dev, "CSO: 0x%x\n", val & 0x00ffffff);
  80                 val = inl(TRID_REG(trident, CH_NX_DELTA_ESO));
  81                 tmp |= (val >> 16) & 0xff00;
  82                 dev_dbg(trident->card->dev, "Delta: 0x%x\n", tmp);
  83                 dev_dbg(trident->card->dev, "ESO: 0x%x\n", val & 0x00ffffff);
  84                 val = inl(TRID_REG(trident, CH_NX_ALPHA_FMS_FMC_RVOL_CVOL));
  85                 dev_dbg(trident->card->dev, "Alpha: 0x%x\n", val >> 20);
  86                 dev_dbg(trident->card->dev, "FMS: 0x%x\n", (val >> 16) & 0x0f);
  87         }
  88         dev_dbg(trident->card->dev, "FMC: 0x%x\n", (val >> 14) & 3);
  89         dev_dbg(trident->card->dev, "RVol: 0x%x\n", (val >> 7) & 0x7f);
  90         dev_dbg(trident->card->dev, "CVol: 0x%x\n", val & 0x7f);
  91 }
  92 #endif
  93
  94 /*---------------------------------------------------------------------------
  95    unsigned short snd_trident_codec_read(struct snd_ac97 *ac97, unsigned short reg)
  96
  97    Description: This routine will do all of the reading from the external
  98                 CODEC (AC97).
  99
 100    Parameters:  ac97 - ac97 codec structure
 101                 reg - CODEC register index, from AC97 Hal.
 102
 103    returns:     16 bit value read from the AC97.
 104
 105   ---------------------------------------------------------------------------*/
 106 static unsigned short snd_trident_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 107 {
 108         unsigned int data = 0, treg;
 109         unsigned short count = 0xffff;
 110         unsigned long flags;
 111         struct snd_trident *trident = ac97->private_data;
 112
 113         spin_lock_irqsave(&trident->reg_lock, flags);
 114         if (trident->device == TRIDENT_DEVICE_ID_DX) {
 115                 data = (DX_AC97_BUSY_READ | (reg & 0x000000ff));
 116                 outl(data, TRID_REG(trident, DX_ACR1_AC97_R));
 117                 do {
 118                         data = inl(TRID_REG(trident, DX_ACR1_AC97_R));
 119                         if ((data & DX_AC97_BUSY_READ) == 0)
 120                                 break;
 121                 } while (--count);
 122         } else if (trident->device == TRIDENT_DEVICE_ID_NX) {
 123                 data = (NX_AC97_BUSY_READ | (reg & 0x000000ff));
 124                 treg = ac97->num == 0 ? NX_ACR2_AC97_R_PRIMARY : NX_ACR3_AC97_R_SECONDARY;
 125                 outl(data, TRID_REG(trident, treg));
 126                 do {
 127                         data = inl(TRID_REG(trident, treg));
 128                         if ((data & 0x00000C00) == 0)
 129                                 break;
 130                 } while (--count);
 131         } else if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
 132                 data = SI_AC97_BUSY_READ | SI_AC97_AUDIO_BUSY | (reg & 0x000000ff);
 133                 if (ac97->num == 1)
 134                         data |= SI_AC97_SECONDARY;
 135                 outl(data, TRID_REG(trident, SI_AC97_READ));
 136                 do {
 137                         data = inl(TRID_REG(trident, SI_AC97_READ));
 138                         if ((data & (SI_AC97_BUSY_READ)) == 0)
 139                                 break;
 140                 } while (--count);
 141         }
 142
 143         if (count == 0 && !trident->ac97_detect) {
 144                 dev_err(trident->card->dev,
 145                         "ac97 codec read TIMEOUT [0x%x/0x%x]!!!\n",
 146                            reg, data);
 147                 data = 0;
 148         }
 149
 150         spin_unlock_irqrestore(&trident->reg_lock, flags);
 151         return ((unsigned short) (data >> 16));
 152 }
 153
 154 /*---------------------------------------------------------------------------
 155    void snd_trident_codec_write(struct snd_ac97 *ac97, unsigned short reg,
 156    unsigned short wdata)
 157
 158    Description: This routine will do all of the writing to the external
 159                 CODEC (AC97).
 160
 161    Parameters:  ac97 - ac97 codec structure
 162                 reg - CODEC register index, from AC97 Hal.
 163                 data  - Lower 16 bits are the data to write to CODEC.
 164
 165    returns:     TRUE if everything went ok, else FALSE.
 166
 167   ---------------------------------------------------------------------------*/
 168 static void snd_trident_codec_write(struct snd_ac97 *ac97, unsigned short reg,
 169                                     unsigned short wdata)
 170 {
 171         unsigned int address, data;
 172         unsigned short count = 0xffff;
 173         unsigned long flags;
 174         struct snd_trident *trident = ac97->private_data;
 175
 176         data = ((unsigned long) wdata) << 16;
 177
 178         spin_lock_irqsave(&trident->reg_lock, flags);
 179         if (trident->device == TRIDENT_DEVICE_ID_DX) {
 180                 address = DX_ACR0_AC97_W;
 181
 182                 /* read AC-97 write register status */
 183                 do {
 184                         if ((inw(TRID_REG(trident, address)) & DX_AC97_BUSY_WRITE) == 0)
 185                                 break;
 186                 } while (--count);
 187
 188                 data |= (DX_AC97_BUSY_WRITE | (reg & 0x000000ff));
 189         } else if (trident->device == TRIDENT_DEVICE_ID_NX) {
 190                 address = NX_ACR1_AC97_W;
 191
 192                 /* read AC-97 write register status */
 193                 do {
 194                         if ((inw(TRID_REG(trident, address)) & NX_AC97_BUSY_WRITE) == 0)
 195                                 break;
 196                 } while (--count);
 197
 198                 data |= (NX_AC97_BUSY_WRITE | (ac97->num << 8) | (reg & 0x000000ff));
 199         } else if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
 200                 address = SI_AC97_WRITE;
 201
 202                 /* read AC-97 write register status */
 203                 do {
 204                         if ((inw(TRID_REG(trident, address)) & (SI_AC97_BUSY_WRITE)) == 0)
 205                                 break;
 206                 } while (--count);
 207
 208                 data |= SI_AC97_BUSY_WRITE | SI_AC97_AUDIO_BUSY | (reg & 0x000000ff);
 209                 if (ac97->num == 1)
 210                         data |= SI_AC97_SECONDARY;
 211         } else {
 212                 address = 0;    /* keep GCC happy */
 213                 count = 0;      /* return */
 214         }
 215
 216         if (count == 0) {
 217                 spin_unlock_irqrestore(&trident->reg_lock, flags);
 218                 return;
 219         }
 220         outl(data, TRID_REG(trident, address));
 221         spin_unlock_irqrestore(&trident->reg_lock, flags);
 222 }
 223
 224 /*---------------------------------------------------------------------------
 225    void snd_trident_enable_eso(struct snd_trident *trident)
 226
 227    Description: This routine will enable end of loop interrupts.
 228                 End of loop interrupts will occur when a running
 229                 channel reaches ESO.
 230                 Also enables middle of loop interrupts.
 231
 232    Parameters:  trident - pointer to target device class for 4DWave.
 233
 234   ---------------------------------------------------------------------------*/
 235
 236 static void snd_trident_enable_eso(struct snd_trident * trident)
 237 {
 238         unsigned int val;
 239
 240         val = inl(TRID_REG(trident, T4D_LFO_GC_CIR));
 241         val |= ENDLP_IE;
 242         val |= MIDLP_IE;
 243         if (trident->device == TRIDENT_DEVICE_ID_SI7018)
 244                 val |= BANK_B_EN;
 245         outl(val, TRID_REG(trident, T4D_LFO_GC_CIR));
 246 }
 247
 248 /*---------------------------------------------------------------------------
 249    void snd_trident_disable_eso(struct snd_trident *trident)
 250
 251    Description: This routine will disable end of loop interrupts.
 252                 End of loop interrupts will occur when a running
 253                 channel reaches ESO.
 254                 Also disables middle of loop interrupts.
 255
 256    Parameters:
 257                 trident - pointer to target device class for 4DWave.
 258
 259    returns:     TRUE if everything went ok, else FALSE.
 260
 261   ---------------------------------------------------------------------------*/
 262
 263 static void snd_trident_disable_eso(struct snd_trident * trident)
 264 {
 265         unsigned int tmp;
 266
 267         tmp = inl(TRID_REG(trident, T4D_LFO_GC_CIR));
 268         tmp &= ~ENDLP_IE;
 269         tmp &= ~MIDLP_IE;
 270         outl(tmp, TRID_REG(trident, T4D_LFO_GC_CIR));
 271 }
 272
 273 /*---------------------------------------------------------------------------
 274    void snd_trident_start_voice(struct snd_trident * trident, unsigned int voice)
 275
 276     Description: Start a voice, any channel 0 thru 63.
 277                  This routine automatically handles the fact that there are
 278                  more than 32 channels available.
 279
 280     Parameters : voice - Voice number 0 thru n.
 281                  trident - pointer to target device class for 4DWave.
 282
 283     Return Value: None.
 284
 285   ---------------------------------------------------------------------------*/
 286
 287 void snd_trident_start_voice(struct snd_trident * trident, unsigned int voice)
 288 {
 289         unsigned int mask = 1 << (voice & 0x1f);
 290         unsigned int reg = (voice & 0x20) ? T4D_START_B : T4D_START_A;
 291
 292         outl(mask, TRID_REG(trident, reg));
 293 }
 294
 295 EXPORT_SYMBOL(snd_trident_start_voice);
 296
 297 /*---------------------------------------------------------------------------
 298    void snd_trident_stop_voice(struct snd_trident * trident, unsigned int voice)
 299
 300     Description: Stop a voice, any channel 0 thru 63.
 301                  This routine automatically handles the fact that there are
 302                  more than 32 channels available.
 303
 304     Parameters : voice - Voice number 0 thru n.
 305                  trident - pointer to target device class for 4DWave.
 306
 307     Return Value: None.
 308
 309   ---------------------------------------------------------------------------*/
 310
 311 void snd_trident_stop_voice(struct snd_trident * trident, unsigned int voice)
 312 {
 313         unsigned int mask = 1 << (voice & 0x1f);
 314         unsigned int reg = (voice & 0x20) ? T4D_STOP_B : T4D_STOP_A;
 315
 316         outl(mask, TRID_REG(trident, reg));
 317 }
 318
 319 EXPORT_SYMBOL(snd_trident_stop_voice);
 320
 321 /*---------------------------------------------------------------------------
 322     int snd_trident_allocate_pcm_channel(struct snd_trident *trident)
 323
 324     Description: Allocate hardware channel in Bank B (32-63).
 325
 326     Parameters :  trident - pointer to target device class for 4DWave.
 327
 328     Return Value: hardware channel - 32-63 or -1 when no channel is available
 329
 330   ---------------------------------------------------------------------------*/
 331
 332 static int snd_trident_allocate_pcm_channel(struct snd_trident * trident)
 333 {
 334         int idx;
 335
 336         if (trident->ChanPCMcnt >= trident->ChanPCM)
 337                 return -1;
 338         for (idx = 31; idx >= 0; idx--) {
 339                 if (!(trident->ChanMap[T4D_BANK_B] & (1 << idx))) {
 340                         trident->ChanMap[T4D_BANK_B] |= 1 << idx;
 341                         trident->ChanPCMcnt++;
 342                         return idx + 32;
 343                 }
 344         }
 345         return -1;
 346 }
 347
 348 /*---------------------------------------------------------------------------
 349     void snd_trident_free_pcm_channel(int channel)
 350
 351     Description: Free hardware channel in Bank B (32-63)
 352
 353     Parameters :  trident - pointer to target device class for 4DWave.
 354                   channel - hardware channel number 0-63
 355
 356     Return Value: none
 357
 358   ---------------------------------------------------------------------------*/
 359
 360 static void snd_trident_free_pcm_channel(struct snd_trident *trident, int channel)
 361 {
 362         if (channel < 32 || channel > 63)
 363                 return;
 364         channel &= 0x1f;
 365         if (trident->ChanMap[T4D_BANK_B] & (1 << channel)) {
 366                 trident->ChanMap[T4D_BANK_B] &= ~(1 << channel);
 367                 trident->ChanPCMcnt--;
 368         }
 369 }
 370
 371 /*---------------------------------------------------------------------------
 372     unsigned int snd_trident_allocate_synth_channel(void)
 373
 374     Description: Allocate hardware channel in Bank A (0-31).
 375
 376     Parameters :  trident - pointer to target device class for 4DWave.
 377
 378     Return Value: hardware channel - 0-31 or -1 when no channel is available
 379
 380   ---------------------------------------------------------------------------*/
 381
 382 static int snd_trident_allocate_synth_channel(struct snd_trident * trident)
 383 {
 384         int idx;
 385
 386         for (idx = 31; idx >= 0; idx--) {
 387                 if (!(trident->ChanMap[T4D_BANK_A] & (1 << idx))) {
 388                         trident->ChanMap[T4D_BANK_A] |= 1 << idx;
 389                         trident->synth.ChanSynthCount++;
 390                         return idx;
 391                 }
 392         }
 393         return -1;
 394 }
 395
 396 /*---------------------------------------------------------------------------
 397     void snd_trident_free_synth_channel( int channel )
 398
 399     Description: Free hardware channel in Bank B (0-31).
 400
 401     Parameters :  trident - pointer to target device class for 4DWave.
 402                   channel - hardware channel number 0-63
 403
 404     Return Value: none
 405
 406   ---------------------------------------------------------------------------*/
 407
 408 static void snd_trident_free_synth_channel(struct snd_trident *trident, int channel)
 409 {
 410         if (channel < 0 || channel > 31)
 411                 return;
 412         channel &= 0x1f;
 413         if (trident->ChanMap[T4D_BANK_A] & (1 << channel)) {
 414                 trident->ChanMap[T4D_BANK_A] &= ~(1 << channel);
 415                 trident->synth.ChanSynthCount--;
 416         }
 417 }
 418
 419 /*---------------------------------------------------------------------------
 420    snd_trident_write_voice_regs
 421
 422    Description: This routine will complete and write the 5 hardware channel
 423                 registers to hardware.
 424
 425    Parameters:  trident - pointer to target device class for 4DWave.
 426                 voice - synthesizer voice structure
 427                 Each register field.
 428
 429   ---------------------------------------------------------------------------*/
 430
 431 void snd_trident_write_voice_regs(struct snd_trident * trident,
 432                                   struct snd_trident_voice * voice)
 433 {
 434         unsigned int FmcRvolCvol;
 435         unsigned int regs[5];
 436
 437         regs[1] = voice->LBA;
 438         regs[4] = (voice->GVSel << 31) |
 439                   ((voice->Pan & 0x0000007f) << 24) |
 440                   ((voice->CTRL & 0x0000000f) << 12);
 441         FmcRvolCvol = ((voice->FMC & 3) << 14) |
 442                       ((voice->RVol & 0x7f) << 7) |
 443                       (voice->CVol & 0x7f);
 444
 445         switch (trident->device) {
 446         case TRIDENT_DEVICE_ID_SI7018:
 447                 regs[4] |= voice->number > 31 ?
 448                                 (voice->Vol & 0x000003ff) :
 449                                 ((voice->Vol & 0x00003fc) << (16-2)) |
 450                                 (voice->EC & 0x00000fff);
 451                 regs[0] = (voice->CSO << 16) | ((voice->Alpha & 0x00000fff) << 4) |
 452                         (voice->FMS & 0x0000000f);
 453                 regs[2] = (voice->ESO << 16) | (voice->Delta & 0x0ffff);
 454                 regs[3] = (voice->Attribute << 16) | FmcRvolCvol;
 455                 break;
 456         case TRIDENT_DEVICE_ID_DX:
 457                 regs[4] |= ((voice->Vol & 0x000003fc) << (16-2)) |
 458                            (voice->EC & 0x00000fff);
 459                 regs[0] = (voice->CSO << 16) | ((voice->Alpha & 0x00000fff) << 4) |
 460                         (voice->FMS & 0x0000000f);
 461                 regs[2] = (voice->ESO << 16) | (voice->Delta & 0x0ffff);
 462                 regs[3] = FmcRvolCvol;
 463                 break;
 464         case TRIDENT_DEVICE_ID_NX:
 465                 regs[4] |= ((voice->Vol & 0x000003fc) << (16-2)) |
 466                            (voice->EC & 0x00000fff);
 467                 regs[0] = (voice->Delta << 24) | (voice->CSO & 0x00ffffff);
 468                 regs[2] = ((voice->Delta << 16) & 0xff000000) |
 469                         (voice->ESO & 0x00ffffff);
 470                 regs[3] = (voice->Alpha << 20) |
 471                         ((voice->FMS & 0x0000000f) << 16) | FmcRvolCvol;
 472                 break;
 473         default:
 474                 snd_BUG();
 475                 return;
 476         }
 477
 478         outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
 479         outl(regs[0], TRID_REG(trident, CH_START + 0));
 480         outl(regs[1], TRID_REG(trident, CH_START + 4));
 481         outl(regs[2], TRID_REG(trident, CH_START + 8));
 482         outl(regs[3], TRID_REG(trident, CH_START + 12));
 483         outl(regs[4], TRID_REG(trident, CH_START + 16));
 484
 485 #if 0
 486         dev_dbg(trident->card->dev, "written %i channel:\n", voice->number);
 487         dev_dbg(trident->card->dev, "  regs[0] = 0x%x/0x%x\n",
 488                regs[0], inl(TRID_REG(trident, CH_START + 0)));
 489         dev_dbg(trident->card->dev, "  regs[1] = 0x%x/0x%x\n",
 490                regs[1], inl(TRID_REG(trident, CH_START + 4)));
 491         dev_dbg(trident->card->dev, "  regs[2] = 0x%x/0x%x\n",
 492                regs[2], inl(TRID_REG(trident, CH_START + 8)));
 493         dev_dbg(trident->card->dev, "  regs[3] = 0x%x/0x%x\n",
 494                regs[3], inl(TRID_REG(trident, CH_START + 12)));
 495         dev_dbg(trident->card->dev, "  regs[4] = 0x%x/0x%x\n",
 496                regs[4], inl(TRID_REG(trident, CH_START + 16)));
 497 #endif
 498 }
 499
 500 EXPORT_SYMBOL(snd_trident_write_voice_regs);
 501
 502 /*---------------------------------------------------------------------------
 503    snd_trident_write_cso_reg
 504
 505    Description: This routine will write the new CSO offset
 506                 register to hardware.
 507
 508    Parameters:  trident - pointer to target device class for 4DWave.
 509                 voice - synthesizer voice structure
 510                 CSO - new CSO value
 511
 512   ---------------------------------------------------------------------------*/
 513
 514 static void snd_trident_write_cso_reg(struct snd_trident * trident,
 515                                       struct snd_trident_voice * voice,
 516                                       unsigned int CSO)
 517 {
 518         voice->CSO = CSO;
 519         outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
 520         if (trident->device != TRIDENT_DEVICE_ID_NX) {
 521                 outw(voice->CSO, TRID_REG(trident, CH_DX_CSO_ALPHA_FMS) + 2);
 522         } else {
 523                 outl((voice->Delta << 24) |
 524                      (voice->CSO & 0x00ffffff), TRID_REG(trident, CH_NX_DELTA_CSO));
 525         }
 526 }
 527
 528 /*---------------------------------------------------------------------------
 529    snd_trident_write_eso_reg
 530
 531    Description: This routine will write the new ESO offset
 532                 register to hardware.
 533
 534    Parameters:  trident - pointer to target device class for 4DWave.
 535                 voice - synthesizer voice structure
 536                 ESO - new ESO value
 537
 538   ---------------------------------------------------------------------------*/
 539
 540 static void snd_trident_write_eso_reg(struct snd_trident * trident,
 541                                       struct snd_trident_voice * voice,
 542                                       unsigned int ESO)
 543 {
 544         voice->ESO = ESO;
 545         outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
 546         if (trident->device != TRIDENT_DEVICE_ID_NX) {
 547                 outw(voice->ESO, TRID_REG(trident, CH_DX_ESO_DELTA) + 2);
 548         } else {
 549                 outl(((voice->Delta << 16) & 0xff000000) | (voice->ESO & 0x00ffffff),
 550                      TRID_REG(trident, CH_NX_DELTA_ESO));
 551         }
 552 }
 553
 554 /*---------------------------------------------------------------------------
 555    snd_trident_write_vol_reg
 556
 557    Description: This routine will write the new voice volume
 558                 register to hardware.
 559
 560    Parameters:  trident - pointer to target device class for 4DWave.
 561                 voice - synthesizer voice structure
 562                 Vol - new voice volume
 563
 564   ---------------------------------------------------------------------------*/
 565
 566 static void snd_trident_write_vol_reg(struct snd_trident * trident,
 567                                       struct snd_trident_voice * voice,
 568                                       unsigned int Vol)
 569 {
 570         voice->Vol = Vol;
 571         outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
 572         switch (trident->device) {
 573         case TRIDENT_DEVICE_ID_DX:
 574         case TRIDENT_DEVICE_ID_NX:
 575                 outb(voice->Vol >> 2, TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC + 2));
 576                 break;
 577         case TRIDENT_DEVICE_ID_SI7018:
 578                 /* dev_dbg(trident->card->dev, "voice->Vol = 0x%x\n", voice->Vol); */
 579                 outw((voice->CTRL << 12) | voice->Vol,
 580                      TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC));
 581                 break;
 582         }
 583 }
 584
 585 /*---------------------------------------------------------------------------
 586    snd_trident_write_pan_reg
 587
 588    Description: This routine will write the new voice pan
 589                 register to hardware.
 590
 591    Parameters:  trident - pointer to target device class for 4DWave.
 592                 voice - synthesizer voice structure
 593                 Pan - new pan value
 594
 595   ---------------------------------------------------------------------------*/
 596
 597 static void snd_trident_write_pan_reg(struct snd_trident * trident,
 598                                       struct snd_trident_voice * voice,
 599                                       unsigned int Pan)
 600 {
 601         voice->Pan = Pan;
 602         outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
 603         outb(((voice->GVSel & 0x01) << 7) | (voice->Pan & 0x7f),
 604              TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC + 3));
 605 }
 606
 607 /*---------------------------------------------------------------------------
 608    snd_trident_write_rvol_reg
 609
 610    Description: This routine will write the new reverb volume
 611                 register to hardware.
 612
 613    Parameters:  trident - pointer to target device class for 4DWave.
 614                 voice - synthesizer voice structure
 615                 RVol - new reverb volume
 616
 617   ---------------------------------------------------------------------------*/
 618
 619 static void snd_trident_write_rvol_reg(struct snd_trident * trident,
 620                                        struct snd_trident_voice * voice,
 621                                        unsigned int RVol)
 622 {
 623         voice->RVol = RVol;
 624         outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
 625         outw(((voice->FMC & 0x0003) << 14) | ((voice->RVol & 0x007f) << 7) |
 626              (voice->CVol & 0x007f),
 627              TRID_REG(trident, trident->device == TRIDENT_DEVICE_ID_NX ?
 628                       CH_NX_ALPHA_FMS_FMC_RVOL_CVOL : CH_DX_FMC_RVOL_CVOL));
 629 }
 630
 631 /*---------------------------------------------------------------------------
 632    snd_trident_write_cvol_reg
 633
 634    Description: This routine will write the new chorus volume
 635                 register to hardware.
 636
 637    Parameters:  trident - pointer to target device class for 4DWave.
 638                 voice - synthesizer voice structure
 639                 CVol - new chorus volume
 640
 641   ---------------------------------------------------------------------------*/
 642
 643 static void snd_trident_write_cvol_reg(struct snd_trident * trident,
 644                                        struct snd_trident_voice * voice,
 645                                        unsigned int CVol)
 646 {
 647         voice->CVol = CVol;
 648         outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
 649         outw(((voice->FMC & 0x0003) << 14) | ((voice->RVol & 0x007f) << 7) |
 650              (voice->CVol & 0x007f),
 651              TRID_REG(trident, trident->device == TRIDENT_DEVICE_ID_NX ?
 652                       CH_NX_ALPHA_FMS_FMC_RVOL_CVOL : CH_DX_FMC_RVOL_CVOL));
 653 }
 654
 655 /*---------------------------------------------------------------------------
 656    snd_trident_convert_rate
 657
 658    Description: This routine converts rate in HZ to hardware delta value.
 659
 660    Parameters:  trident - pointer to target device class for 4DWave.
 661                 rate - Real or Virtual channel number.
 662
 663    Returns:     Delta value.
 664
 665   ---------------------------------------------------------------------------*/
 666 static unsigned int snd_trident_convert_rate(unsigned int rate)
 667 {
 668         unsigned int delta;
 669
 670         // We special case 44100 and 8000 since rounding with the equation
 671         // does not give us an accurate enough value. For 11025 and 22050
 672         // the equation gives us the best answer. All other frequencies will
 673         // also use the equation. JDW
 674         if (rate == 44100)
 675                 delta = 0xeb3;
 676         else if (rate == 8000)
 677                 delta = 0x2ab;
 678         else if (rate == 48000)
 679                 delta = 0x1000;
 680         else
 681                 delta = DIV_ROUND_CLOSEST(rate << 12, 48000) & 0x0000ffff;
 682         return delta;
 683 }
 684
 685 /*---------------------------------------------------------------------------
 686    snd_trident_convert_adc_rate
 687
 688    Description: This routine converts rate in HZ to hardware delta value.
 689
 690    Parameters:  trident - pointer to target device class for 4DWave.
 691                 rate - Real or Virtual channel number.
 692
 693    Returns:     Delta value.
 694
 695   ---------------------------------------------------------------------------*/
 696 static unsigned int snd_trident_convert_adc_rate(unsigned int rate)
 697 {
 698         unsigned int delta;
 699
 700         // We special case 44100 and 8000 since rounding with the equation
 701         // does not give us an accurate enough value. For 11025 and 22050
 702         // the equation gives us the best answer. All other frequencies will
 703         // also use the equation. JDW
 704         if (rate == 44100)
 705                 delta = 0x116a;
 706         else if (rate == 8000)
 707                 delta = 0x6000;
 708         else if (rate == 48000)
 709                 delta = 0x1000;
 710         else
 711                 delta = ((48000 << 12) / rate) & 0x0000ffff;
 712         return delta;
 713 }
 714
 715 /*---------------------------------------------------------------------------
 716    snd_trident_spurious_threshold
 717
 718    Description: This routine converts rate in HZ to spurious threshold.
 719
 720    Parameters:  trident - pointer to target device class for 4DWave.
 721                 rate - Real or Virtual channel number.
 722
 723    Returns:     Delta value.
 724
 725   ---------------------------------------------------------------------------*/
 726 static unsigned int snd_trident_spurious_threshold(unsigned int rate,
 727                                                    unsigned int period_size)
 728 {
 729         unsigned int res = (rate * period_size) / 48000;
 730         if (res < 64)
 731                 res = res / 2;
 732         else
 733                 res -= 32;
 734         return res;
 735 }
 736
 737 /*---------------------------------------------------------------------------
 738    snd_trident_control_mode
 739
 740    Description: This routine returns a control mode for a PCM channel.
 741
 742    Parameters:  trident - pointer to target device class for 4DWave.
 743                 substream  - PCM substream
 744
 745    Returns:     Control value.
 746
 747   ---------------------------------------------------------------------------*/
 748 static unsigned int snd_trident_control_mode(struct snd_pcm_substream *substream)
 749 {
 750         unsigned int CTRL;
 751         struct snd_pcm_runtime *runtime = substream->runtime;
 752
 753         /* set ctrl mode
 754            CTRL default: 8-bit (unsigned) mono, loop mode enabled
 755          */
 756         CTRL = 0x00000001;
 757         if (snd_pcm_format_width(runtime->format) == 16)
 758                 CTRL |= 0x00000008;     // 16-bit data
 759         if (snd_pcm_format_signed(runtime->format))
 760                 CTRL |= 0x00000002;     // signed data
 761         if (runtime->channels > 1)
 762                 CTRL |= 0x00000004;     // stereo data
 763         return CTRL;
 764 }
 765
 766 /*
 767  *  PCM part
 768  */
 769
 770 /*---------------------------------------------------------------------------
 771    snd_trident_allocate_pcm_mem
 772
 773    Description: Allocate PCM ring buffer for given substream
 774
 775    Parameters:  substream  - PCM substream class
 776                 hw_params  - hardware parameters
 777
 778    Returns:     Error status
 779
 780   ---------------------------------------------------------------------------*/
 781
 782 static int snd_trident_allocate_pcm_mem(struct snd_pcm_substream *substream,
 783                                         struct snd_pcm_hw_params *hw_params)
 784 {
 785         struct snd_trident *trident = snd_pcm_substream_chip(substream);
 786         struct snd_pcm_runtime *runtime = substream->runtime;
 787         struct snd_trident_voice *voice = runtime->private_data;
 788
 789         if (trident->tlb.entries) {
 790                 if (runtime->buffer_changed) {
 791                         if (voice->memblk)
 792                                 snd_trident_free_pages(trident, voice->memblk);
 793                         voice->memblk = snd_trident_alloc_pages(trident, substream);
 794                         if (voice->memblk == NULL)
 795                                 return -ENOMEM;
 796                 }
 797         }
 798         return 0;
 799 }
 800
 801 /*---------------------------------------------------------------------------
 802    snd_trident_allocate_evoice
 803
 804    Description: Allocate extra voice as interrupt generator
 805
 806    Parameters:  substream  - PCM substream class
 807                 hw_params  - hardware parameters
 808
 809    Returns:     Error status
 810
 811   ---------------------------------------------------------------------------*/
 812
 813 static int snd_trident_allocate_evoice(struct snd_pcm_substream *substream,
 814                                        struct snd_pcm_hw_params *hw_params)
 815 {
 816         struct snd_trident *trident = snd_pcm_substream_chip(substream);
 817         struct snd_pcm_runtime *runtime = substream->runtime;
 818         struct snd_trident_voice *voice = runtime->private_data;
 819         struct snd_trident_voice *evoice = voice->extra;
 820
 821         /* voice management */
 822
 823         if (params_buffer_size(hw_params) / 2 != params_period_size(hw_params)) {
 824                 if (evoice == NULL) {
 825                         evoice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0);
 826                         if (evoice == NULL)
 827                                 return -ENOMEM;
 828                         voice->extra = evoice;
 829                         evoice->substream = substream;
 830                 }
 831         } else {
 832                 if (evoice != NULL) {
 833                         snd_trident_free_voice(trident, evoice);
 834                         voice->extra = evoice = NULL;
 835                 }
 836         }
 837
 838         return 0;
 839 }
 840
 841 /*---------------------------------------------------------------------------
 842    snd_trident_hw_params
 843
 844    Description: Set the hardware parameters for the playback device.
 845
 846    Parameters:  substream  - PCM substream class
 847                 hw_params  - hardware parameters
 848
 849    Returns:     Error status
 850
 851   ---------------------------------------------------------------------------*/
 852
 853 static int snd_trident_hw_params(struct snd_pcm_substream *substream,
 854                                  struct snd_pcm_hw_params *hw_params)
 855 {
 856         int err;
 857
 858         err = snd_trident_allocate_pcm_mem(substream, hw_params);
 859         if (err >= 0)
 860                 err = snd_trident_allocate_evoice(substream, hw_params);
 861         return err;
 862 }
 863
 864 /*---------------------------------------------------------------------------
 865    snd_trident_playback_hw_free
 866
 867    Description: Release the hardware resources for the playback device.
 868
 869    Parameters:  substream  - PCM substream class
 870
 871    Returns:     Error status
 872
 873   ---------------------------------------------------------------------------*/
 874
 875 static int snd_trident_hw_free(struct snd_pcm_substream *substream)
 876 {
 877         struct snd_trident *trident = snd_pcm_substream_chip(substream);
 878         struct snd_pcm_runtime *runtime = substream->runtime;
 879         struct snd_trident_voice *voice = runtime->private_data;
 880         struct snd_trident_voice *evoice = voice ? voice->extra : NULL;
 881
 882         if (trident->tlb.entries) {
 883                 if (voice && voice->memblk) {
 884                         snd_trident_free_pages(trident, voice->memblk);
 885                         voice->memblk = NULL;
 886                 }
 887         }
 888         if (evoice != NULL) {
 889                 snd_trident_free_voice(trident, evoice);
 890                 voice->extra = NULL;
 891         }
 892         return 0;
 893 }
 894
 895 /*---------------------------------------------------------------------------
 896    snd_trident_playback_prepare
 897
 898    Description: Prepare playback device for playback.
 899
 900    Parameters:  substream  - PCM substream class
 901
 902    Returns:     Error status
 903
 904   ---------------------------------------------------------------------------*/
 905
 906 static int snd_trident_playback_prepare(struct snd_pcm_substream *substream)
 907 {
 908         struct snd_trident *trident = snd_pcm_substream_chip(substream);
 909         struct snd_pcm_runtime *runtime = substream->runtime;
 910         struct snd_trident_voice *voice = runtime->private_data;
 911         struct snd_trident_voice *evoice = voice->extra;
 912         struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[substream->number];
 913
 914         spin_lock_irq(&trident->reg_lock);
 915
 916         /* set delta (rate) value */
 917         voice->Delta = snd_trident_convert_rate(runtime->rate);
 918         voice->spurious_threshold = snd_trident_spurious_threshold(runtime->rate, runtime->period_size);
 919
 920         /* set Loop Begin Address */
 921         if (voice->memblk)
 922                 voice->LBA = voice->memblk->offset;
 923         else
 924                 voice->LBA = runtime->dma_addr;
 925
 926         voice->CSO = 0;
 927         voice->ESO = runtime->buffer_size - 1;  /* in samples */
 928         voice->CTRL = snd_trident_control_mode(substream);
 929         voice->FMC = 3;
 930         voice->GVSel = 1;
 931         voice->EC = 0;
 932         voice->Alpha = 0;
 933         voice->FMS = 0;
 934         voice->Vol = mix->vol;
 935         voice->RVol = mix->rvol;
 936         voice->CVol = mix->cvol;
 937         voice->Pan = mix->pan;
 938         voice->Attribute = 0;
 939 #if 0
 940         voice->Attribute = (1<<(30-16))|(2<<(26-16))|
 941                            (0<<(24-16))|(0x1f<<(19-16));
 942 #else
 943         voice->Attribute = 0;
 944 #endif
 945
 946         snd_trident_write_voice_regs(trident, voice);
 947
 948         if (evoice != NULL) {
 949                 evoice->Delta = voice->Delta;
 950                 evoice->spurious_threshold = voice->spurious_threshold;
 951                 evoice->LBA = voice->LBA;
 952                 evoice->CSO = 0;
 953                 evoice->ESO = (runtime->period_size * 2) + 4 - 1; /* in samples */
 954                 evoice->CTRL = voice->CTRL;
 955                 evoice->FMC = 3;
 956                 evoice->GVSel = trident->device == TRIDENT_DEVICE_ID_SI7018 ? 0 : 1;
 957                 evoice->EC = 0;
 958                 evoice->Alpha = 0;
 959                 evoice->FMS = 0;
 960                 evoice->Vol = 0x3ff;                    /* mute */
 961                 evoice->RVol = evoice->CVol = 0x7f;     /* mute */
 962                 evoice->Pan = 0x7f;                     /* mute */
 963 #if 0
 964                 evoice->Attribute = (1<<(30-16))|(2<<(26-16))|
 965                                     (0<<(24-16))|(0x1f<<(19-16));
 966 #else
 967                 evoice->Attribute = 0;
 968 #endif
 969                 snd_trident_write_voice_regs(trident, evoice);
 970                 evoice->isync2 = 1;
 971                 evoice->isync_mark = runtime->period_size;
 972                 evoice->ESO = (runtime->period_size * 2) - 1;
 973         }
 974
 975         spin_unlock_irq(&trident->reg_lock);
 976
 977         return 0;
 978 }
 979
 980 /*---------------------------------------------------------------------------
 981    snd_trident_capture_hw_params
 982
 983    Description: Set the hardware parameters for the capture device.
 984
 985    Parameters:  substream  - PCM substream class
 986                 hw_params  - hardware parameters
 987
 988    Returns:     Error status
 989
 990   ---------------------------------------------------------------------------*/
 991
 992 static int snd_trident_capture_hw_params(struct snd_pcm_substream *substream,
 993                                          struct snd_pcm_hw_params *hw_params)
 994 {
 995         return snd_trident_allocate_pcm_mem(substream, hw_params);
 996 }
 997
 998 /*---------------------------------------------------------------------------
 999    snd_trident_capture_prepare
1000
1001    Description: Prepare capture device for playback.
1002
1003    Parameters:  substream  - PCM substream class
1004
1005    Returns:     Error status
1006
1007   ---------------------------------------------------------------------------*/
1008
1009 static int snd_trident_capture_prepare(struct snd_pcm_substream *substream)
1010 {
1011         struct snd_trident *trident = snd_pcm_substream_chip(substream);
1012         struct snd_pcm_runtime *runtime = substream->runtime;
1013         struct snd_trident_voice *voice = runtime->private_data;
1014         unsigned int val, ESO_bytes;
1015
1016         spin_lock_irq(&trident->reg_lock);
1017
1018         // Initialize the channel and set channel Mode
1019         outb(0, TRID_REG(trident, LEGACY_DMAR15));
1020
1021         // Set DMA channel operation mode register
1022         outb(0x54, TRID_REG(trident, LEGACY_DMAR11));
1023
1024         // Set channel buffer Address, DMAR0 expects contiguous PCI memory area
1025         voice->LBA = runtime->dma_addr;
1026         outl(voice->LBA, TRID_REG(trident, LEGACY_DMAR0));
1027         if (voice->memblk)
1028                 voice->LBA = voice->memblk->offset;
1029
1030         // set ESO
1031         ESO_bytes = snd_pcm_lib_buffer_bytes(substream) - 1;
1032         outb((ESO_bytes & 0x00ff0000) >> 16, TRID_REG(trident, LEGACY_DMAR6));
1033         outw((ESO_bytes & 0x0000ffff), TRID_REG(trident, LEGACY_DMAR4));
1034         ESO_bytes++;
1035
1036         // Set channel sample rate, 4.12 format
1037         val = DIV_ROUND_CLOSEST(48000U << 12, runtime->rate);
1038         outw(val, TRID_REG(trident, T4D_SBDELTA_DELTA_R));
1039
1040         // Set channel interrupt blk length
1041         if (snd_pcm_format_width(runtime->format) == 16) {
1042                 val = (unsigned short) ((ESO_bytes >> 1) - 1);
1043         } else {
1044                 val = (unsigned short) (ESO_bytes - 1);
1045         }
1046
1047         outl((val << 16) | val, TRID_REG(trident, T4D_SBBL_SBCL));
1048
1049         // Right now, set format and start to run captureing,
1050         // continuous run loop enable.
1051         trident->bDMAStart = 0x19;      // 0001 1001b
1052
1053         if (snd_pcm_format_width(runtime->format) == 16)
1054                 trident->bDMAStart |= 0x80;
1055         if (snd_pcm_format_signed(runtime->format))
1056                 trident->bDMAStart |= 0x20;
1057         if (runtime->channels > 1)
1058                 trident->bDMAStart |= 0x40;
1059
1060         // Prepare capture intr channel
1061
1062         voice->Delta = snd_trident_convert_rate(runtime->rate);
1063         voice->spurious_threshold = snd_trident_spurious_threshold(runtime->rate, runtime->period_size);
1064         voice->isync = 1;
1065         voice->isync_mark = runtime->period_size;
1066         voice->isync_max = runtime->buffer_size;
1067
1068         // Set voice parameters
1069         voice->CSO = 0;
1070         voice->ESO = voice->isync_ESO = (runtime->period_size * 2) + 6 - 1;
1071         voice->CTRL = snd_trident_control_mode(substream);
1072         voice->FMC = 3;
1073         voice->RVol = 0x7f;
1074         voice->CVol = 0x7f;
1075         voice->GVSel = 1;
1076         voice->Pan = 0x7f;              /* mute */
1077         voice->Vol = 0x3ff;             /* mute */
1078         voice->EC = 0;
1079         voice->Alpha = 0;
1080         voice->FMS = 0;
1081         voice->Attribute = 0;
1082
1083         snd_trident_write_voice_regs(trident, voice);
1084
1085         spin_unlock_irq(&trident->reg_lock);
1086         return 0;
1087 }
1088
1089 /*---------------------------------------------------------------------------
1090    snd_trident_si7018_capture_hw_params
1091
1092    Description: Set the hardware parameters for the capture device.
1093
1094    Parameters:  substream  - PCM substream class
1095                 hw_params  - hardware parameters
1096
1097    Returns:     Error status
1098
1099   ---------------------------------------------------------------------------*/
1100
1101 static int snd_trident_si7018_capture_hw_params(struct snd_pcm_substream *substream,
1102                                                 struct snd_pcm_hw_params *hw_params)
1103 {
1104         return snd_trident_allocate_evoice(substream, hw_params);
1105 }
1106
1107 /*---------------------------------------------------------------------------
1108    snd_trident_si7018_capture_hw_free
1109
1110    Description: Release the hardware resources for the capture device.
1111
1112    Parameters:  substream  - PCM substream class
1113
1114    Returns:     Error status
1115
1116   ---------------------------------------------------------------------------*/
1117
1118 static int snd_trident_si7018_capture_hw_free(struct snd_pcm_substream *substream)
1119 {
1120         struct snd_trident *trident = snd_pcm_substream_chip(substream);
1121         struct snd_pcm_runtime *runtime = substream->runtime;
1122         struct snd_trident_voice *voice = runtime->private_data;
1123         struct snd_trident_voice *evoice = voice ? voice->extra : NULL;
1124
1125         if (evoice != NULL) {
1126                 snd_trident_free_voice(trident, evoice);
1127                 voice->extra = NULL;
1128         }
1129         return 0;
1130 }
1131
1132 /*---------------------------------------------------------------------------
1133    snd_trident_si7018_capture_prepare
1134
1135    Description: Prepare capture device for playback.
1136
1137    Parameters:  substream  - PCM substream class
1138
1139    Returns:     Error status
1140
1141   ---------------------------------------------------------------------------*/
1142
1143 static int snd_trident_si7018_capture_prepare(struct snd_pcm_substream *substream)
1144 {
1145         struct snd_trident *trident = snd_pcm_substream_chip(substream);
1146         struct snd_pcm_runtime *runtime = substream->runtime;
1147         struct snd_trident_voice *voice = runtime->private_data;
1148         struct snd_trident_voice *evoice = voice->extra;
1149
1150         spin_lock_irq(&trident->reg_lock);
1151
1152         voice->LBA = runtime->dma_addr;
1153         voice->Delta = snd_trident_convert_adc_rate(runtime->rate);
1154         voice->spurious_threshold = snd_trident_spurious_threshold(runtime->rate, runtime->period_size);
1155
1156         // Set voice parameters
1157         voice->CSO = 0;
1158         voice->ESO = runtime->buffer_size - 1;          /* in samples */
1159         voice->CTRL = snd_trident_control_mode(substream);
1160         voice->FMC = 0;
1161         voice->RVol = 0;
1162         voice->CVol = 0;
1163         voice->GVSel = 1;
1164         voice->Pan = T4D_DEFAULT_PCM_PAN;
1165         voice->Vol = 0;
1166         voice->EC = 0;
1167         voice->Alpha = 0;
1168         voice->FMS = 0;
1169
1170         voice->Attribute = (2 << (30-16)) |
1171                            (2 << (26-16)) |
1172                            (2 << (24-16)) |
1173                            (1 << (23-16));
1174
1175         snd_trident_write_voice_regs(trident, voice);
1176
1177         if (evoice != NULL) {
1178                 evoice->Delta = snd_trident_convert_rate(runtime->rate);
1179                 evoice->spurious_threshold = voice->spurious_threshold;
1180                 evoice->LBA = voice->LBA;
1181                 evoice->CSO = 0;
1182                 evoice->ESO = (runtime->period_size * 2) + 20 - 1; /* in samples, 20 means correction */
1183                 evoice->CTRL = voice->CTRL;
1184                 evoice->FMC = 3;
1185                 evoice->GVSel = 0;
1186                 evoice->EC = 0;
1187                 evoice->Alpha = 0;
1188                 evoice->FMS = 0;
1189                 evoice->Vol = 0x3ff;                    /* mute */
1190                 evoice->RVol = evoice->CVol = 0x7f;     /* mute */
1191                 evoice->Pan = 0x7f;                     /* mute */
1192                 evoice->Attribute = 0;
1193                 snd_trident_write_voice_regs(trident, evoice);
1194                 evoice->isync2 = 1;
1195                 evoice->isync_mark = runtime->period_size;
1196                 evoice->ESO = (runtime->period_size * 2) - 1;
1197         }
1198
1199         spin_unlock_irq(&trident->reg_lock);
1200         return 0;
1201 }
1202
1203 /*---------------------------------------------------------------------------
1204    snd_trident_foldback_prepare
1205
1206    Description: Prepare foldback capture device for playback.
1207
1208    Parameters:  substream  - PCM substream class
1209
1210    Returns:     Error status
1211
1212   ---------------------------------------------------------------------------*/
1213
1214 static int snd_trident_foldback_prepare(struct snd_pcm_substream *substream)
1215 {
1216         struct snd_trident *trident = snd_pcm_substream_chip(substream);
1217         struct snd_pcm_runtime *runtime = substream->runtime;
1218         struct snd_trident_voice *voice = runtime->private_data;
1219         struct snd_trident_voice *evoice = voice->extra;
1220
1221         spin_lock_irq(&trident->reg_lock);
1222
1223         /* Set channel buffer Address */
1224         if (voice->memblk)
1225                 voice->LBA = voice->memblk->offset;
1226         else
1227                 voice->LBA = runtime->dma_addr;
1228
1229         /* set target ESO for channel */
1230         voice->ESO = runtime->buffer_size - 1;  /* in samples */
1231
1232         /* set sample rate */
1233         voice->Delta = 0x1000;
1234         voice->spurious_threshold = snd_trident_spurious_threshold(48000, runtime->period_size);
1235
1236         voice->CSO = 0;
1237         voice->CTRL = snd_trident_control_mode(substream);
1238         voice->FMC = 3;
1239         voice->RVol = 0x7f;
1240         voice->CVol = 0x7f;
1241         voice->GVSel = 1;
1242         voice->Pan = 0x7f;      /* mute */
1243         voice->Vol = 0x3ff;     /* mute */
1244         voice->EC = 0;
1245         voice->Alpha = 0;
1246         voice->FMS = 0;
1247         voice->Attribute = 0;
1248
1249         /* set up capture channel */
1250         outb(((voice->number & 0x3f) | 0x80), TRID_REG(trident, T4D_RCI + voice->foldback_chan));
1251
1252         snd_trident_write_voice_regs(trident, voice);
1253
1254         if (evoice != NULL) {
1255                 evoice->Delta = voice->Delta;
1256                 evoice->spurious_threshold = voice->spurious_threshold;
1257                 evoice->LBA = voice->LBA;
1258                 evoice->CSO = 0;
1259                 evoice->ESO = (runtime->period_size * 2) + 4 - 1; /* in samples */
1260                 evoice->CTRL = voice->CTRL;
1261                 evoice->FMC = 3;
1262                 evoice->GVSel = trident->device == TRIDENT_DEVICE_ID_SI7018 ? 0 : 1;
1263                 evoice->EC = 0;
1264                 evoice->Alpha = 0;
1265                 evoice->FMS = 0;
1266                 evoice->Vol = 0x3ff;                    /* mute */
1267                 evoice->RVol = evoice->CVol = 0x7f;     /* mute */
1268                 evoice->Pan = 0x7f;                     /* mute */
1269                 evoice->Attribute = 0;
1270                 snd_trident_write_voice_regs(trident, evoice);
1271                 evoice->isync2 = 1;
1272                 evoice->isync_mark = runtime->period_size;
1273                 evoice->ESO = (runtime->period_size * 2) - 1;
1274         }
1275
1276         spin_unlock_irq(&trident->reg_lock);
1277         return 0;
1278 }
1279
1280 /*---------------------------------------------------------------------------
1281    snd_trident_spdif_hw_params
1282
1283    Description: Set the hardware parameters for the spdif device.
1284
1285    Parameters:  substream  - PCM substream class
1286                 hw_params  - hardware parameters
1287
1288    Returns:     Error status
1289
1290   ---------------------------------------------------------------------------*/
1291
1292 static int snd_trident_spdif_hw_params(struct snd_pcm_substream *substream,
1293                                        struct snd_pcm_hw_params *hw_params)
1294 {
1295         struct snd_trident *trident = snd_pcm_substream_chip(substream);
1296         unsigned int old_bits = 0, change = 0;
1297         int err;
1298
1299         err = snd_trident_allocate_pcm_mem(substream, hw_params);
1300         if (err < 0)
1301                 return err;
1302
1303         if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
1304                 err = snd_trident_allocate_evoice(substream, hw_params);
1305                 if (err < 0)
1306                         return err;
1307         }
1308
1309         /* prepare SPDIF channel */
1310         spin_lock_irq(&trident->reg_lock);
1311         old_bits = trident->spdif_pcm_bits;
1312         if (old_bits & IEC958_AES0_PROFESSIONAL)
1313                 trident->spdif_pcm_bits &= ~IEC958_AES0_PRO_FS;
1314         else
1315                 trident->spdif_pcm_bits &= ~(IEC958_AES3_CON_FS << 24);
1316         if (params_rate(hw_params) >= 48000) {
1317                 trident->spdif_pcm_ctrl = 0x3c; // 48000 Hz
1318                 trident->spdif_pcm_bits |=
1319                         trident->spdif_bits & IEC958_AES0_PROFESSIONAL ?
1320                                 IEC958_AES0_PRO_FS_48000 :
1321                                 (IEC958_AES3_CON_FS_48000 << 24);
1322         }
1323         else if (params_rate(hw_params) >= 44100) {
1324                 trident->spdif_pcm_ctrl = 0x3e; // 44100 Hz
1325                 trident->spdif_pcm_bits |=
1326                         trident->spdif_bits & IEC958_AES0_PROFESSIONAL ?
1327                                 IEC958_AES0_PRO_FS_44100 :
1328                                 (IEC958_AES3_CON_FS_44100 << 24);
1329         }
1330         else {
1331                 trident->spdif_pcm_ctrl = 0x3d; // 32000 Hz
1332                 trident->spdif_pcm_bits |=
1333                         trident->spdif_bits & IEC958_AES0_PROFESSIONAL ?
1334                                 IEC958_AES0_PRO_FS_32000 :
1335                                 (IEC958_AES3_CON_FS_32000 << 24);
1336         }
1337         change = old_bits != trident->spdif_pcm_bits;
1338         spin_unlock_irq(&trident->reg_lock);
1339
1340         if (change)
1341                 snd_ctl_notify(trident->card, SNDRV_CTL_EVENT_MASK_VALUE, &trident->spdif_pcm_ctl->id);
1342
1343         return 0;
1344 }
1345
1346 /*---------------------------------------------------------------------------
1347    snd_trident_spdif_prepare
1348
1349    Description: Prepare SPDIF device for playback.
1350
1351    Parameters:  substream  - PCM substream class
1352
1353    Returns:     Error status
1354
1355   ---------------------------------------------------------------------------*/
1356
1357 static int snd_trident_spdif_prepare(struct snd_pcm_substream *substream)
1358 {
1359         struct snd_trident *trident = snd_pcm_substream_chip(substream);
1360         struct snd_pcm_runtime *runtime = substream->runtime;
1361         struct snd_trident_voice *voice = runtime->private_data;
1362         struct snd_trident_voice *evoice = voice->extra;
1363         struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[substream->number];
1364         unsigned int RESO, LBAO;
1365         unsigned int temp;
1366
1367         spin_lock_irq(&trident->reg_lock);
1368
1369         if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
1370
1371                 /* set delta (rate) value */
1372                 voice->Delta = snd_trident_convert_rate(runtime->rate);
1373                 voice->spurious_threshold = snd_trident_spurious_threshold(runtime->rate, runtime->period_size);
1374
1375                 /* set Loop Back Address */
1376                 LBAO = runtime->dma_addr;
1377                 if (voice->memblk)
1378                         voice->LBA = voice->memblk->offset;
1379                 else
1380                         voice->LBA = LBAO;
1381
1382                 voice->isync = 1;
1383                 voice->isync3 = 1;
1384                 voice->isync_mark = runtime->period_size;
1385                 voice->isync_max = runtime->buffer_size;
1386
1387                 /* set target ESO for channel */
1388                 RESO = runtime->buffer_size - 1;
1389                 voice->ESO = voice->isync_ESO = (runtime->period_size * 2) + 6 - 1;
1390
1391                 /* set ctrl mode */
1392                 voice->CTRL = snd_trident_control_mode(substream);
1393
1394                 voice->FMC = 3;
1395                 voice->RVol = 0x7f;
1396                 voice->CVol = 0x7f;
1397                 voice->GVSel = 1;
1398                 voice->Pan = 0x7f;
1399                 voice->Vol = 0x3ff;
1400                 voice->EC = 0;
1401                 voice->CSO = 0;
1402                 voice->Alpha = 0;
1403                 voice->FMS = 0;
1404                 voice->Attribute = 0;
1405
1406                 /* prepare surrogate IRQ channel */
1407                 snd_trident_write_voice_regs(trident, voice);
1408
1409                 outw((RESO & 0xffff), TRID_REG(trident, NX_SPESO));
1410                 outb((RESO >> 16), TRID_REG(trident, NX_SPESO + 2));
1411                 outl((LBAO & 0xfffffffc), TRID_REG(trident, NX_SPLBA));
1412                 outw((voice->CSO & 0xffff), TRID_REG(trident, NX_SPCTRL_SPCSO));
1413                 outb((voice->CSO >> 16), TRID_REG(trident, NX_SPCTRL_SPCSO + 2));
1414
1415                 /* set SPDIF setting */
1416                 outb(trident->spdif_pcm_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
1417                 outl(trident->spdif_pcm_bits, TRID_REG(trident, NX_SPCSTATUS));
1418
1419         } else {        /* SiS */
1420
1421                 /* set delta (rate) value */
1422                 voice->Delta = 0x800;
1423                 voice->spurious_threshold = snd_trident_spurious_threshold(48000, runtime->period_size);
1424
1425                 /* set Loop Begin Address */
1426                 if (voice->memblk)
1427                         voice->LBA = voice->memblk->offset;
1428                 else
1429                         voice->LBA = runtime->dma_addr;
1430
1431                 voice->CSO = 0;
1432                 voice->ESO = runtime->buffer_size - 1;  /* in samples */
1433                 voice->CTRL = snd_trident_control_mode(substream);
1434                 voice->FMC = 3;
1435                 voice->GVSel = 1;
1436                 voice->EC = 0;
1437                 voice->Alpha = 0;
1438                 voice->FMS = 0;
1439                 voice->Vol = mix->vol;
1440                 voice->RVol = mix->rvol;
1441                 voice->CVol = mix->cvol;
1442                 voice->Pan = mix->pan;
1443                 voice->Attribute = (1<<(30-16))|(7<<(26-16))|
1444                                    (0<<(24-16))|(0<<(19-16));
1445
1446                 snd_trident_write_voice_regs(trident, voice);
1447
1448                 if (evoice != NULL) {
1449                         evoice->Delta = voice->Delta;
1450                         evoice->spurious_threshold = voice->spurious_threshold;
1451                         evoice->LBA = voice->LBA;
1452                         evoice->CSO = 0;
1453                         evoice->ESO = (runtime->period_size * 2) + 4 - 1; /* in samples */
1454                         evoice->CTRL = voice->CTRL;
1455                         evoice->FMC = 3;
1456                         evoice->GVSel = trident->device == TRIDENT_DEVICE_ID_SI7018 ? 0 : 1;
1457                         evoice->EC = 0;
1458                         evoice->Alpha = 0;
1459                         evoice->FMS = 0;
1460                         evoice->Vol = 0x3ff;                    /* mute */
1461                         evoice->RVol = evoice->CVol = 0x7f;     /* mute */
1462                         evoice->Pan = 0x7f;                     /* mute */
1463                         evoice->Attribute = 0;
1464                         snd_trident_write_voice_regs(trident, evoice);
1465                         evoice->isync2 = 1;
1466                         evoice->isync_mark = runtime->period_size;
1467                         evoice->ESO = (runtime->period_size * 2) - 1;
1468                 }
1469
1470                 outl(trident->spdif_pcm_bits, TRID_REG(trident, SI_SPDIF_CS));
1471                 temp = inl(TRID_REG(trident, T4D_LFO_GC_CIR));
1472                 temp &= ~(1<<19);
1473                 outl(temp, TRID_REG(trident, T4D_LFO_GC_CIR));
1474                 temp = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL));
1475                 temp |= SPDIF_EN;
1476                 outl(temp, TRID_REG(trident, SI_SERIAL_INTF_CTRL));
1477         }
1478
1479         spin_unlock_irq(&trident->reg_lock);
1480
1481         return 0;
1482 }
1483
1484 /*---------------------------------------------------------------------------
1485    snd_trident_trigger
1486
1487    Description: Start/stop devices
1488
1489    Parameters:  substream  - PCM substream class
1490                 cmd     - trigger command (STOP, GO)
1491
1492    Returns:     Error status
1493
1494   ---------------------------------------------------------------------------*/
1495
1496 static int snd_trident_trigger(struct snd_pcm_substream *substream,
1497                                int cmd)
1498
1499 {
1500         struct snd_trident *trident = snd_pcm_substream_chip(substream);
1501         struct snd_pcm_substream *s;
1502         unsigned int what, whati, capture_flag, spdif_flag;
1503         struct snd_trident_voice *voice, *evoice;
1504         unsigned int val, go;
1505
1506         switch (cmd) {
1507         case SNDRV_PCM_TRIGGER_START:
1508         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1509         case SNDRV_PCM_TRIGGER_RESUME:
1510                 go = 1;
1511                 break;
1512         case SNDRV_PCM_TRIGGER_STOP:
1513         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1514         case SNDRV_PCM_TRIGGER_SUSPEND:
1515                 go = 0;
1516                 break;
1517         default:
1518                 return -EINVAL;
1519         }
1520         what = whati = capture_flag = spdif_flag = 0;
1521         spin_lock(&trident->reg_lock);
1522         val = inl(TRID_REG(trident, T4D_STIMER)) & 0x00ffffff;
1523         snd_pcm_group_for_each_entry(s, substream) {
1524                 if ((struct snd_trident *) snd_pcm_substream_chip(s) == trident) {
1525                         voice = s->runtime->private_data;
1526                         evoice = voice->extra;
1527                         what |= 1 << (voice->number & 0x1f);
1528                         if (evoice == NULL) {
1529                                 whati |= 1 << (voice->number & 0x1f);
1530                         } else {
1531                                 what |= 1 << (evoice->number & 0x1f);
1532                                 whati |= 1 << (evoice->number & 0x1f);
1533                                 if (go)
1534                                         evoice->stimer = val;
1535                         }
1536                         if (go) {
1537                                 voice->running = 1;
1538                                 voice->stimer = val;
1539                         } else {
1540                                 voice->running = 0;
1541                         }
1542                         snd_pcm_trigger_done(s, substream);
1543                         if (voice->capture)
1544                                 capture_flag = 1;
1545                         if (voice->spdif)
1546                                 spdif_flag = 1;
1547                 }
1548         }
1549         if (spdif_flag) {
1550                 if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
1551                         outl(trident->spdif_pcm_bits, TRID_REG(trident, NX_SPCSTATUS));
1552                         val = trident->spdif_pcm_ctrl;
1553                         if (!go)
1554                                 val &= ~(0x28);
1555                         outb(val, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
1556                 } else {
1557                         outl(trident->spdif_pcm_bits, TRID_REG(trident, SI_SPDIF_CS));
1558                         val = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) | SPDIF_EN;
1559                         outl(val, TRID_REG(trident, SI_SERIAL_INTF_CTRL));
1560                 }
1561         }
1562         if (!go)
1563                 outl(what, TRID_REG(trident, T4D_STOP_B));
1564         val = inl(TRID_REG(trident, T4D_AINTEN_B));
1565         if (go) {
1566                 val |= whati;
1567         } else {
1568                 val &= ~whati;
1569         }
1570         outl(val, TRID_REG(trident, T4D_AINTEN_B));
1571         if (go) {
1572                 outl(what, TRID_REG(trident, T4D_START_B));
1573
1574                 if (capture_flag && trident->device != TRIDENT_DEVICE_ID_SI7018)
1575                         outb(trident->bDMAStart, TRID_REG(trident, T4D_SBCTRL_SBE2R_SBDD));
1576         } else {
1577                 if (capture_flag && trident->device != TRIDENT_DEVICE_ID_SI7018)
1578                         outb(0x00, TRID_REG(trident, T4D_SBCTRL_SBE2R_SBDD));
1579         }
1580         spin_unlock(&trident->reg_lock);
1581         return 0;
1582 }
1583
1584 /*---------------------------------------------------------------------------
1585    snd_trident_playback_pointer
1586
1587    Description: This routine return the playback position
1588
1589    Parameters:  substream  - PCM substream class
1590
1591    Returns:     position of buffer
1592
1593   ---------------------------------------------------------------------------*/
1594
1595 static snd_pcm_uframes_t snd_trident_playback_pointer(struct snd_pcm_substream *substream)
1596 {
1597         struct snd_trident *trident = snd_pcm_substream_chip(substream);
1598         struct snd_pcm_runtime *runtime = substream->runtime;
1599         struct snd_trident_voice *voice = runtime->private_data;
1600         unsigned int cso;
1601
1602         if (!voice->running)
1603                 return 0;
1604
1605         spin_lock(&trident->reg_lock);
1606
1607         outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR));
1608
1609         if (trident->device != TRIDENT_DEVICE_ID_NX) {
1610                 cso = inw(TRID_REG(trident, CH_DX_CSO_ALPHA_FMS + 2));
1611         } else {                // ID_4DWAVE_NX
1612                 cso = (unsigned int) inl(TRID_REG(trident, CH_NX_DELTA_CSO)) & 0x00ffffff;
1613         }
1614
1615         spin_unlock(&trident->reg_lock);
1616
1617         if (cso >= runtime->buffer_size)
1618                 cso = 0;
1619
1620         return cso;
1621 }
1622
1623 /*---------------------------------------------------------------------------
1624    snd_trident_capture_pointer
1625
1626    Description: This routine return the capture position
1627
1628    Parameters:   pcm1    - PCM device class
1629
1630    Returns:     position of buffer
1631
1632   ---------------------------------------------------------------------------*/
1633
1634 static snd_pcm_uframes_t snd_trident_capture_pointer(struct snd_pcm_substream *substream)
1635 {
1636         struct snd_trident *trident = snd_pcm_substream_chip(substream);
1637         struct snd_pcm_runtime *runtime = substream->runtime;
1638         struct snd_trident_voice *voice = runtime->private_data;
1639         unsigned int result;
1640
1641         if (!voice->running)
1642                 return 0;
1643
1644         result = inw(TRID_REG(trident, T4D_SBBL_SBCL));
1645         if (runtime->channels > 1)
1646                 result >>= 1;
1647         if (result > 0)
1648                 result = runtime->buffer_size - result;
1649
1650         return result;
1651 }
1652
1653 /*---------------------------------------------------------------------------
1654    snd_trident_spdif_pointer
1655
1656    Description: This routine return the SPDIF playback position
1657
1658    Parameters:  substream  - PCM substream class
1659
1660    Returns:     position of buffer
1661
1662   ---------------------------------------------------------------------------*/
1663
1664 static snd_pcm_uframes_t snd_trident_spdif_pointer(struct snd_pcm_substream *substream)
1665 {
1666         struct snd_trident *trident = snd_pcm_substream_chip(substream);
1667         struct snd_pcm_runtime *runtime = substream->runtime;
1668         struct snd_trident_voice *voice = runtime->private_data;
1669         unsigned int result;
1670
1671         if (!voice->running)
1672                 return 0;
1673
1674         result = inl(TRID_REG(trident, NX_SPCTRL_SPCSO)) & 0x00ffffff;
1675
1676         return result;
1677 }
1678
1679 /*
1680  *  Playback support device description
1681  */
1682
1683 static const struct snd_pcm_hardware snd_trident_playback =
1684 {
1685         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1686                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1687                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
1688                                  SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */),
1689         .formats =              (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1690                                  SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1691         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1692         .rate_min =             4000,
1693         .rate_max =             48000,
1694         .channels_min =         1,
1695         .channels_max =         2,
1696         .buffer_bytes_max =     (256*1024),
1697         .period_bytes_min =     64,
1698         .period_bytes_max =     (256*1024),
1699         .periods_min =          1,
1700         .periods_max =          1024,
1701         .fifo_size =            0,
1702 };
1703
1704 /*
1705  *  Capture support device description
1706  */
1707
1708 static const struct snd_pcm_hardware snd_trident_capture =
1709 {
1710         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1711                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1712                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
1713                                  SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */),
1714         .formats =              (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1715                                  SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1716         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1717         .rate_min =             4000,
1718         .rate_max =             48000,
1719         .channels_min =         1,
1720         .channels_max =         2,
1721         .buffer_bytes_max =     (128*1024),
1722         .period_bytes_min =     64,
1723         .period_bytes_max =     (128*1024),
1724         .periods_min =          1,
1725         .periods_max =          1024,
1726         .fifo_size =            0,
1727 };
1728
1729 /*
1730  *  Foldback capture support device description
1731  */
1732
1733 static const struct snd_pcm_hardware snd_trident_foldback =
1734 {
1735         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1736                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1737                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
1738                                  SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */),
1739         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1740         .rates =                SNDRV_PCM_RATE_48000,
1741         .rate_min =             48000,
1742         .rate_max =             48000,
1743         .channels_min =         2,
1744         .channels_max =         2,
1745         .buffer_bytes_max =     (128*1024),
1746         .period_bytes_min =     64,
1747         .period_bytes_max =     (128*1024),
1748         .periods_min =          1,
1749         .periods_max =          1024,
1750         .fifo_size =            0,
1751 };
1752
1753 /*
1754  *  SPDIF playback support device description
1755  */
1756
1757 static const struct snd_pcm_hardware snd_trident_spdif =
1758 {
1759         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1760                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1761                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
1762                                  SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */),
1763         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1764         .rates =                (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
1765                                  SNDRV_PCM_RATE_48000),
1766         .rate_min =             32000,
1767         .rate_max =             48000,
1768         .channels_min =         2,
1769         .channels_max =         2,
1770         .buffer_bytes_max =     (128*1024),
1771         .period_bytes_min =     64,
1772         .period_bytes_max =     (128*1024),
1773         .periods_min =          1,
1774         .periods_max =          1024,
1775         .fifo_size =            0,
1776 };
1777
1778 static const struct snd_pcm_hardware snd_trident_spdif_7018 =
1779 {
1780         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1781                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1782                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
1783                                  SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */),
1784         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1785         .rates =                SNDRV_PCM_RATE_48000,
1786         .rate_min =             48000,
1787         .rate_max =             48000,
1788         .channels_min =         2,
1789         .channels_max =         2,
1790         .buffer_bytes_max =     (128*1024),
1791         .period_bytes_min =     64,
1792         .period_bytes_max =     (128*1024),
1793         .periods_min =          1,
1794         .periods_max =          1024,
1795         .fifo_size =            0,
1796 };
1797
1798 static void snd_trident_pcm_free_substream(struct snd_pcm_runtime *runtime)
1799 {
1800         struct snd_trident_voice *voice = runtime->private_data;
1801         struct snd_trident *trident;
1802
1803         if (voice) {
1804                 trident = voice->trident;
1805                 snd_trident_free_voice(trident, voice);
1806         }
1807 }
1808
1809 static int snd_trident_playback_open(struct snd_pcm_substream *substream)
1810 {
1811         struct snd_trident *trident = snd_pcm_substream_chip(substream);
1812         struct snd_pcm_runtime *runtime = substream->runtime;
1813         struct snd_trident_voice *voice;
1814
1815         voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0);
1816         if (voice == NULL)
1817                 return -EAGAIN;
1818         snd_trident_pcm_mixer_build(trident, voice, substream);
1819         voice->substream = substream;
1820         runtime->private_data = voice;
1821         runtime->private_free = snd_trident_pcm_free_substream;
1822         runtime->hw = snd_trident_playback;
1823         snd_pcm_set_sync(substream);
1824         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024);
1825         return 0;
1826 }
1827
1828 /*---------------------------------------------------------------------------
1829    snd_trident_playback_close
1830
1831    Description: This routine will close the 4DWave playback device. For now
1832                 we will simply free the dma transfer buffer.
1833
1834    Parameters:  substream  - PCM substream class
1835
1836   ---------------------------------------------------------------------------*/
1837 static int snd_trident_playback_close(struct snd_pcm_substream *substream)
1838 {
1839         struct snd_trident *trident = snd_pcm_substream_chip(substream);
1840         struct snd_pcm_runtime *runtime = substream->runtime;
1841         struct snd_trident_voice *voice = runtime->private_data;
1842
1843         snd_trident_pcm_mixer_free(trident, voice, substream);
1844         return 0;
1845 }
1846
1847 /*---------------------------------------------------------------------------
1848    snd_trident_spdif_open
1849
1850    Description: This routine will open the 4DWave SPDIF device.
1851
1852    Parameters:  substream  - PCM substream class
1853
1854    Returns:     status  - success or failure flag
1855
1856   ---------------------------------------------------------------------------*/
1857
1858 static int snd_trident_spdif_open(struct snd_pcm_substream *substream)
1859 {
1860         struct snd_trident *trident = snd_pcm_substream_chip(substream);
1861         struct snd_trident_voice *voice;
1862         struct snd_pcm_runtime *runtime = substream->runtime;
1863
1864         voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0);
1865         if (voice == NULL)
1866                 return -EAGAIN;
1867         voice->spdif = 1;
1868         voice->substream = substream;
1869         spin_lock_irq(&trident->reg_lock);
1870         trident->spdif_pcm_bits = trident->spdif_bits;
1871         spin_unlock_irq(&trident->reg_lock);
1872
1873         runtime->private_data = voice;
1874         runtime->private_free = snd_trident_pcm_free_substream;
1875         if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
1876                 runtime->hw = snd_trident_spdif;
1877         } else {
1878                 runtime->hw = snd_trident_spdif_7018;
1879         }
1880
1881         trident->spdif_pcm_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1882         snd_ctl_notify(trident->card, SNDRV_CTL_EVENT_MASK_VALUE |
1883                        SNDRV_CTL_EVENT_MASK_INFO, &trident->spdif_pcm_ctl->id);
1884
1885         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024);
1886         return 0;
1887 }
1888
1889
1890 /*---------------------------------------------------------------------------
1891    snd_trident_spdif_close
1892
1893    Description: This routine will close the 4DWave SPDIF device.
1894
1895    Parameters:  substream  - PCM substream class
1896
1897   ---------------------------------------------------------------------------*/
1898
1899 static int snd_trident_spdif_close(struct snd_pcm_substream *substream)
1900 {
1901         struct snd_trident *trident = snd_pcm_substream_chip(substream);
1902         unsigned int temp;
1903
1904         spin_lock_irq(&trident->reg_lock);
1905         // restore default SPDIF setting
1906         if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
1907                 outb(trident->spdif_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
1908                 outl(trident->spdif_bits, TRID_REG(trident, NX_SPCSTATUS));
1909         } else {
1910                 outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS));
1911                 temp = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL));
1912                 if (trident->spdif_ctrl) {
1913                         temp |= SPDIF_EN;
1914                 } else {
1915                         temp &= ~SPDIF_EN;
1916                 }
1917                 outl(temp, TRID_REG(trident, SI_SERIAL_INTF_CTRL));
1918         }
1919         spin_unlock_irq(&trident->reg_lock);
1920         trident->spdif_pcm_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1921         snd_ctl_notify(trident->card, SNDRV_CTL_EVENT_MASK_VALUE |
1922                        SNDRV_CTL_EVENT_MASK_INFO, &trident->spdif_pcm_ctl->id);
1923         return 0;
1924 }
1925
1926 /*---------------------------------------------------------------------------
1927    snd_trident_capture_open
1928
1929    Description: This routine will open the 4DWave capture device.
1930
1931    Parameters:  substream  - PCM substream class
1932
1933    Returns:     status  - success or failure flag
1934
1935   ---------------------------------------------------------------------------*/
1936
1937 static int snd_trident_capture_open(struct snd_pcm_substream *substream)
1938 {
1939         struct snd_trident *trident = snd_pcm_substream_chip(substream);
1940         struct snd_trident_voice *voice;
1941         struct snd_pcm_runtime *runtime = substream->runtime;
1942
1943         voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0);
1944         if (voice == NULL)
1945                 return -EAGAIN;
1946         voice->capture = 1;
1947         voice->substream = substream;
1948         runtime->private_data = voice;
1949         runtime->private_free = snd_trident_pcm_free_substream;
1950         runtime->hw = snd_trident_capture;
1951         snd_pcm_set_sync(substream);
1952         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024);
1953         return 0;
1954 }
1955
1956 /*---------------------------------------------------------------------------
1957    snd_trident_capture_close
1958
1959    Description: This routine will close the 4DWave capture device. For now
1960                 we will simply free the dma transfer buffer.
1961
1962    Parameters:  substream  - PCM substream class
1963
1964   ---------------------------------------------------------------------------*/
1965 static int snd_trident_capture_close(struct snd_pcm_substream *substream)
1966 {
1967         return 0;
1968 }
1969
1970 /*---------------------------------------------------------------------------
1971    snd_trident_foldback_open
1972
1973    Description: This routine will open the 4DWave foldback capture device.
1974
1975    Parameters:  substream  - PCM substream class
1976
1977    Returns:     status  - success or failure flag
1978
1979   ---------------------------------------------------------------------------*/
1980
1981 static int snd_trident_foldback_open(struct snd_pcm_substream *substream)
1982 {
1983         struct snd_trident *trident = snd_pcm_substream_chip(substream);
1984         struct snd_trident_voice *voice;
1985         struct snd_pcm_runtime *runtime = substream->runtime;
1986
1987         voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0);
1988         if (voice == NULL)
1989                 return -EAGAIN;
1990         voice->foldback_chan = substream->number;
1991         voice->substream = substream;
1992         runtime->private_data = voice;
1993         runtime->private_free = snd_trident_pcm_free_substream;
1994         runtime->hw = snd_trident_foldback;
1995         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024);
1996         return 0;
1997 }
1998
1999 /*---------------------------------------------------------------------------
2000    snd_trident_foldback_close
2001
2002    Description: This routine will close the 4DWave foldback capture device.
2003                 For now we will simply free the dma transfer buffer.
2004
2005    Parameters:  substream  - PCM substream class
2006
2007   ---------------------------------------------------------------------------*/
2008 static int snd_trident_foldback_close(struct snd_pcm_substream *substream)
2009 {
2010         struct snd_trident *trident = snd_pcm_substream_chip(substream);
2011         struct snd_trident_voice *voice;
2012         struct snd_pcm_runtime *runtime = substream->runtime;
2013         voice = runtime->private_data;
2014
2015         /* stop capture channel */
2016         spin_lock_irq(&trident->reg_lock);
2017         outb(0x00, TRID_REG(trident, T4D_RCI + voice->foldback_chan));
2018         spin_unlock_irq(&trident->reg_lock);
2019         return 0;
2020 }
2021
2022 /*---------------------------------------------------------------------------
2023    PCM operations
2024   ---------------------------------------------------------------------------*/
2025
2026 static const struct snd_pcm_ops snd_trident_playback_ops = {
2027         .open =         snd_trident_playback_open,
2028         .close =        snd_trident_playback_close,
2029         .hw_params =    snd_trident_hw_params,
2030         .hw_free =      snd_trident_hw_free,
2031         .prepare =      snd_trident_playback_prepare,
2032         .trigger =      snd_trident_trigger,
2033         .pointer =      snd_trident_playback_pointer,
2034 };
2035
2036 static const struct snd_pcm_ops snd_trident_nx_playback_ops = {
2037         .open =         snd_trident_playback_open,
2038         .close =        snd_trident_playback_close,
2039         .hw_params =    snd_trident_hw_params,
2040         .hw_free =      snd_trident_hw_free,
2041         .prepare =      snd_trident_playback_prepare,
2042         .trigger =      snd_trident_trigger,
2043         .pointer =      snd_trident_playback_pointer,
2044 };
2045
2046 static const struct snd_pcm_ops snd_trident_capture_ops = {
2047         .open =         snd_trident_capture_open,
2048         .close =        snd_trident_capture_close,
2049         .hw_params =    snd_trident_capture_hw_params,
2050         .hw_free =      snd_trident_hw_free,
2051         .prepare =      snd_trident_capture_prepare,
2052         .trigger =      snd_trident_trigger,
2053         .pointer =      snd_trident_capture_pointer,
2054 };
2055
2056 static const struct snd_pcm_ops snd_trident_si7018_capture_ops = {
2057         .open =         snd_trident_capture_open,
2058         .close =        snd_trident_capture_close,
2059         .hw_params =    snd_trident_si7018_capture_hw_params,
2060         .hw_free =      snd_trident_si7018_capture_hw_free,
2061         .prepare =      snd_trident_si7018_capture_prepare,
2062         .trigger =      snd_trident_trigger,
2063         .pointer =      snd_trident_playback_pointer,
2064 };
2065
2066 static const struct snd_pcm_ops snd_trident_foldback_ops = {
2067         .open =         snd_trident_foldback_open,
2068         .close =        snd_trident_foldback_close,
2069         .hw_params =    snd_trident_hw_params,
2070         .hw_free =      snd_trident_hw_free,
2071         .prepare =      snd_trident_foldback_prepare,
2072         .trigger =      snd_trident_trigger,
2073         .pointer =      snd_trident_playback_pointer,
2074 };
2075
2076 static const struct snd_pcm_ops snd_trident_nx_foldback_ops = {
2077         .open =         snd_trident_foldback_open,
2078         .close =        snd_trident_foldback_close,
2079         .hw_params =    snd_trident_hw_params,
2080         .hw_free =      snd_trident_hw_free,
2081         .prepare =      snd_trident_foldback_prepare,
2082         .trigger =      snd_trident_trigger,
2083         .pointer =      snd_trident_playback_pointer,
2084 };
2085
2086 static const struct snd_pcm_ops snd_trident_spdif_ops = {
2087         .open =         snd_trident_spdif_open,
2088         .close =        snd_trident_spdif_close,
2089         .hw_params =    snd_trident_spdif_hw_params,
2090         .hw_free =      snd_trident_hw_free,
2091         .prepare =      snd_trident_spdif_prepare,
2092         .trigger =      snd_trident_trigger,
2093         .pointer =      snd_trident_spdif_pointer,
2094 };
2095
2096 static const struct snd_pcm_ops snd_trident_spdif_7018_ops = {
2097         .open =         snd_trident_spdif_open,
2098         .close =        snd_trident_spdif_close,
2099         .hw_params =    snd_trident_spdif_hw_params,
2100         .hw_free =      snd_trident_hw_free,
2101         .prepare =      snd_trident_spdif_prepare,
2102         .trigger =      snd_trident_trigger,
2103         .pointer =      snd_trident_playback_pointer,
2104 };
2105
2106 /*---------------------------------------------------------------------------
2107    snd_trident_pcm
2108
2109    Description: This routine registers the 4DWave device for PCM support.
2110
2111    Parameters:  trident - pointer to target device class for 4DWave.
2112
2113    Returns:     None
2114
2115   ---------------------------------------------------------------------------*/
2116
2117 int snd_trident_pcm(struct snd_trident *trident, int device)
2118 {
2119         struct snd_pcm *pcm;
2120         int err;
2121
2122         err = snd_pcm_new(trident->card, "trident_dx_nx", device, trident->ChanPCM, 1, &pcm);
2123         if (err < 0)
2124                 return err;
2125
2126         pcm->private_data = trident;
2127
2128         if (trident->tlb.entries) {
2129                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_trident_nx_playback_ops);
2130         } else {
2131                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_trident_playback_ops);
2132         }
2133         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
2134                         trident->device != TRIDENT_DEVICE_ID_SI7018 ?
2135                         &snd_trident_capture_ops :
2136                         &snd_trident_si7018_capture_ops);
2137
2138         pcm->info_flags = 0;
2139         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
2140         strcpy(pcm->name, "Trident 4DWave");
2141         trident->pcm = pcm;
2142
2143         if (trident->tlb.entries) {
2144                 struct snd_pcm_substream *substream;
2145                 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
2146                         snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV_SG,
2147                                                    &trident->pci->dev,
2148                                                    64*1024, 128*1024);
2149                 snd_pcm_set_managed_buffer(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream,
2150                                            SNDRV_DMA_TYPE_DEV,
2151                                            &trident->pci->dev,
2152                                            64*1024, 128*1024);
2153         } else {
2154                 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
2155                                                &trident->pci->dev,
2156                                                64*1024, 128*1024);
2157         }
2158
2159         return 0;
2160 }
2161
2162 /*---------------------------------------------------------------------------
2163    snd_trident_foldback_pcm
2164
2165    Description: This routine registers the 4DWave device for foldback PCM support.
2166
2167    Parameters:  trident - pointer to target device class for 4DWave.
2168
2169    Returns:     None
2170
2171   ---------------------------------------------------------------------------*/
2172
2173 int snd_trident_foldback_pcm(struct snd_trident *trident, int device)
2174 {
2175         struct snd_pcm *foldback;
2176         int err;
2177         int num_chan = 3;
2178         struct snd_pcm_substream *substream;
2179
2180         if (trident->device == TRIDENT_DEVICE_ID_NX)
2181                 num_chan = 4;
2182         err = snd_pcm_new(trident->card, "trident_dx_nx", device, 0, num_chan, &foldback);
2183         if (err < 0)
2184                 return err;
2185
2186         foldback->private_data = trident;
2187         if (trident->tlb.entries)
2188                 snd_pcm_set_ops(foldback, SNDRV_PCM_STREAM_CAPTURE, &snd_trident_nx_foldback_ops);
2189         else
2190                 snd_pcm_set_ops(foldback, SNDRV_PCM_STREAM_CAPTURE, &snd_trident_foldback_ops);
2191         foldback->info_flags = 0;
2192         strcpy(foldback->name, "Trident 4DWave");
2193         substream = foldback->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
2194         strcpy(substream->name, "Front Mixer");
2195         substream = substream->next;
2196         strcpy(substream->name, "Reverb Mixer");
2197         substream = substream->next;
2198         strcpy(substream->name, "Chorus Mixer");
2199         if (num_chan == 4) {
2200                 substream = substream->next;
2201                 strcpy(substream->name, "Second AC'97 ADC");
2202         }
2203         trident->foldback = foldback;
2204
2205         if (trident->tlb.entries)
2206                 snd_pcm_set_managed_buffer_all(foldback, SNDRV_DMA_TYPE_DEV_SG,
2207                                                &trident->pci->dev,
2208                                                0, 128*1024);
2209         else
2210                 snd_pcm_set_managed_buffer_all(foldback, SNDRV_DMA_TYPE_DEV,
2211                                                &trident->pci->dev,
2212                                                64*1024, 128*1024);
2213
2214         return 0;
2215 }
2216
2217 /*---------------------------------------------------------------------------
2218    snd_trident_spdif
2219
2220    Description: This routine registers the 4DWave-NX device for SPDIF support.
2221
2222    Parameters:  trident - pointer to target device class for 4DWave-NX.
2223
2224    Returns:     None
2225
2226   ---------------------------------------------------------------------------*/
2227
2228 int snd_trident_spdif_pcm(struct snd_trident *trident, int device)
2229 {
2230         struct snd_pcm *spdif;
2231         int err;
2232
2233         err = snd_pcm_new(trident->card, "trident_dx_nx IEC958", device, 1, 0, &spdif);
2234         if (err < 0)
2235                 return err;
2236
2237         spdif->private_data = trident;
2238         if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
2239                 snd_pcm_set_ops(spdif, SNDRV_PCM_STREAM_PLAYBACK, &snd_trident_spdif_ops);
2240         } else {
2241                 snd_pcm_set_ops(spdif, SNDRV_PCM_STREAM_PLAYBACK, &snd_trident_spdif_7018_ops);
2242         }
2243         spdif->info_flags = 0;
2244         strcpy(spdif->name, "Trident 4DWave IEC958");
2245         trident->spdif = spdif;
2246
2247         snd_pcm_set_managed_buffer_all(spdif, SNDRV_DMA_TYPE_DEV,
2248                                        &trident->pci->dev, 64*1024, 128*1024);
2249
2250         return 0;
2251 }
2252
2253 /*
2254  *  Mixer part
2255  */
2256
2257
2258 /*---------------------------------------------------------------------------
2259     snd_trident_spdif_control
2260
2261     Description: enable/disable S/PDIF out from ac97 mixer
2262   ---------------------------------------------------------------------------*/
2263
2264 #define snd_trident_spdif_control_info  snd_ctl_boolean_mono_info
2265
2266 static int snd_trident_spdif_control_get(struct snd_kcontrol *kcontrol,
2267                                          struct snd_ctl_elem_value *ucontrol)
2268 {
2269         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2270         unsigned char val;
2271
2272         spin_lock_irq(&trident->reg_lock);
2273         val = trident->spdif_ctrl;
2274         ucontrol->value.integer.value[0] = val == kcontrol->private_value;
2275         spin_unlock_irq(&trident->reg_lock);
2276         return 0;
2277 }
2278
2279 static int snd_trident_spdif_control_put(struct snd_kcontrol *kcontrol,
2280                                          struct snd_ctl_elem_value *ucontrol)
2281 {
2282         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2283         unsigned char val;
2284         int change;
2285
2286         val = ucontrol->value.integer.value[0] ? (unsigned char) kcontrol->private_value : 0x00;
2287         spin_lock_irq(&trident->reg_lock);
2288         /* S/PDIF C Channel bits 0-31 : 48khz, SCMS disabled */
2289         change = trident->spdif_ctrl != val;
2290         trident->spdif_ctrl = val;
2291         if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
2292                 if ((inb(TRID_REG(trident, NX_SPCTRL_SPCSO + 3)) & 0x10) == 0) {
2293                         outl(trident->spdif_bits, TRID_REG(trident, NX_SPCSTATUS));
2294                         outb(trident->spdif_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
2295                 }
2296         } else {
2297                 if (trident->spdif == NULL) {
2298                         unsigned int temp;
2299                         outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS));
2300                         temp = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) & ~SPDIF_EN;
2301                         if (val)
2302                                 temp |= SPDIF_EN;
2303                         outl(temp, TRID_REG(trident, SI_SERIAL_INTF_CTRL));
2304                 }
2305         }
2306         spin_unlock_irq(&trident->reg_lock);
2307         return change;
2308 }
2309
2310 static const struct snd_kcontrol_new snd_trident_spdif_control =
2311 {
2312         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2313         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
2314         .info =         snd_trident_spdif_control_info,
2315         .get =          snd_trident_spdif_control_get,
2316         .put =          snd_trident_spdif_control_put,
2317         .private_value = 0x28,
2318 };
2319
2320 /*---------------------------------------------------------------------------
2321     snd_trident_spdif_default
2322
2323     Description: put/get the S/PDIF default settings
2324   ---------------------------------------------------------------------------*/
2325
2326 static int snd_trident_spdif_default_info(struct snd_kcontrol *kcontrol,
2327                                           struct snd_ctl_elem_info *uinfo)
2328 {
2329         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2330         uinfo->count = 1;
2331         return 0;
2332 }
2333
2334 static int snd_trident_spdif_default_get(struct snd_kcontrol *kcontrol,
2335                                          struct snd_ctl_elem_value *ucontrol)
2336 {
2337         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2338
2339         spin_lock_irq(&trident->reg_lock);
2340         ucontrol->value.iec958.status[0] = (trident->spdif_bits >> 0) & 0xff;
2341         ucontrol->value.iec958.status[1] = (trident->spdif_bits >> 8) & 0xff;
2342         ucontrol->value.iec958.status[2] = (trident->spdif_bits >> 16) & 0xff;
2343         ucontrol->value.iec958.status[3] = (trident->spdif_bits >> 24) & 0xff;
2344         spin_unlock_irq(&trident->reg_lock);
2345         return 0;
2346 }
2347
2348 static int snd_trident_spdif_default_put(struct snd_kcontrol *kcontrol,
2349                                          struct snd_ctl_elem_value *ucontrol)
2350 {
2351         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2352         unsigned int val;
2353         int change;
2354
2355         val = (ucontrol->value.iec958.status[0] << 0) |
2356               (ucontrol->value.iec958.status[1] << 8) |
2357               (ucontrol->value.iec958.status[2] << 16) |
2358               (ucontrol->value.iec958.status[3] << 24);
2359         spin_lock_irq(&trident->reg_lock);
2360         change = trident->spdif_bits != val;
2361         trident->spdif_bits = val;
2362         if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
2363                 if ((inb(TRID_REG(trident, NX_SPCTRL_SPCSO + 3)) & 0x10) == 0)
2364                         outl(trident->spdif_bits, TRID_REG(trident, NX_SPCSTATUS));
2365         } else {
2366                 if (trident->spdif == NULL)
2367                         outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS));
2368         }
2369         spin_unlock_irq(&trident->reg_lock);
2370         return change;
2371 }
2372
2373 static const struct snd_kcontrol_new snd_trident_spdif_default =
2374 {
2375         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2376         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
2377         .info =         snd_trident_spdif_default_info,
2378         .get =          snd_trident_spdif_default_get,
2379         .put =          snd_trident_spdif_default_put
2380 };
2381
2382 /*---------------------------------------------------------------------------
2383     snd_trident_spdif_mask
2384
2385     Description: put/get the S/PDIF mask
2386   ---------------------------------------------------------------------------*/
2387
2388 static int snd_trident_spdif_mask_info(struct snd_kcontrol *kcontrol,
2389                                        struct snd_ctl_elem_info *uinfo)
2390 {
2391         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2392         uinfo->count = 1;
2393         return 0;
2394 }
2395
2396 static int snd_trident_spdif_mask_get(struct snd_kcontrol *kcontrol,
2397                                       struct snd_ctl_elem_value *ucontrol)
2398 {
2399         ucontrol->value.iec958.status[0] = 0xff;
2400         ucontrol->value.iec958.status[1] = 0xff;
2401         ucontrol->value.iec958.status[2] = 0xff;
2402         ucontrol->value.iec958.status[3] = 0xff;
2403         return 0;
2404 }
2405
2406 static const struct snd_kcontrol_new snd_trident_spdif_mask =
2407 {
2408         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
2409         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2410         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
2411         .info =         snd_trident_spdif_mask_info,
2412         .get =          snd_trident_spdif_mask_get,
2413 };
2414
2415 /*---------------------------------------------------------------------------
2416     snd_trident_spdif_stream
2417
2418     Description: put/get the S/PDIF stream settings
2419   ---------------------------------------------------------------------------*/
2420
2421 static int snd_trident_spdif_stream_info(struct snd_kcontrol *kcontrol,
2422                                          struct snd_ctl_elem_info *uinfo)
2423 {
2424         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
2425         uinfo->count = 1;
2426         return 0;
2427 }
2428
2429 static int snd_trident_spdif_stream_get(struct snd_kcontrol *kcontrol,
2430                                         struct snd_ctl_elem_value *ucontrol)
2431 {
2432         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2433
2434         spin_lock_irq(&trident->reg_lock);
2435         ucontrol->value.iec958.status[0] = (trident->spdif_pcm_bits >> 0) & 0xff;
2436         ucontrol->value.iec958.status[1] = (trident->spdif_pcm_bits >> 8) & 0xff;
2437         ucontrol->value.iec958.status[2] = (trident->spdif_pcm_bits >> 16) & 0xff;
2438         ucontrol->value.iec958.status[3] = (trident->spdif_pcm_bits >> 24) & 0xff;
2439         spin_unlock_irq(&trident->reg_lock);
2440         return 0;
2441 }
2442
2443 static int snd_trident_spdif_stream_put(struct snd_kcontrol *kcontrol,
2444                                         struct snd_ctl_elem_value *ucontrol)
2445 {
2446         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2447         unsigned int val;
2448         int change;
2449
2450         val = (ucontrol->value.iec958.status[0] << 0) |
2451               (ucontrol->value.iec958.status[1] << 8) |
2452               (ucontrol->value.iec958.status[2] << 16) |
2453               (ucontrol->value.iec958.status[3] << 24);
2454         spin_lock_irq(&trident->reg_lock);
2455         change = trident->spdif_pcm_bits != val;
2456         trident->spdif_pcm_bits = val;
2457         if (trident->spdif != NULL) {
2458                 if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
2459                         outl(trident->spdif_pcm_bits, TRID_REG(trident, NX_SPCSTATUS));
2460                 } else {
2461                         outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS));
2462                 }
2463         }
2464         spin_unlock_irq(&trident->reg_lock);
2465         return change;
2466 }
2467
2468 static const struct snd_kcontrol_new snd_trident_spdif_stream =
2469 {
2470         .access =       SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2471         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
2472         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
2473         .info =         snd_trident_spdif_stream_info,
2474         .get =          snd_trident_spdif_stream_get,
2475         .put =          snd_trident_spdif_stream_put
2476 };
2477
2478 /*---------------------------------------------------------------------------
2479     snd_trident_ac97_control
2480
2481     Description: enable/disable rear path for ac97
2482   ---------------------------------------------------------------------------*/
2483
2484 #define snd_trident_ac97_control_info   snd_ctl_boolean_mono_info
2485
2486 static int snd_trident_ac97_control_get(struct snd_kcontrol *kcontrol,
2487                                         struct snd_ctl_elem_value *ucontrol)
2488 {
2489         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2490         unsigned char val;
2491
2492         spin_lock_irq(&trident->reg_lock);
2493         val = trident->ac97_ctrl = inl(TRID_REG(trident, NX_ACR0_AC97_COM_STAT));
2494         ucontrol->value.integer.value[0] = (val & (1 << kcontrol->private_value)) ? 1 : 0;
2495         spin_unlock_irq(&trident->reg_lock);
2496         return 0;
2497 }
2498
2499 static int snd_trident_ac97_control_put(struct snd_kcontrol *kcontrol,
2500                                         struct snd_ctl_elem_value *ucontrol)
2501 {
2502         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2503         unsigned char val;
2504         int change = 0;
2505
2506         spin_lock_irq(&trident->reg_lock);
2507         val = trident->ac97_ctrl = inl(TRID_REG(trident, NX_ACR0_AC97_COM_STAT));
2508         val &= ~(1 << kcontrol->private_value);
2509         if (ucontrol->value.integer.value[0])
2510                 val |= 1 << kcontrol->private_value;
2511         change = val != trident->ac97_ctrl;
2512         trident->ac97_ctrl = val;
2513         outl(trident->ac97_ctrl = val, TRID_REG(trident, NX_ACR0_AC97_COM_STAT));
2514         spin_unlock_irq(&trident->reg_lock);
2515         return change;
2516 }
2517
2518 static const struct snd_kcontrol_new snd_trident_ac97_rear_control =
2519 {
2520         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2521         .name =         "Rear Path",
2522         .info =         snd_trident_ac97_control_info,
2523         .get =          snd_trident_ac97_control_get,
2524         .put =          snd_trident_ac97_control_put,
2525         .private_value = 4,
2526 };
2527
2528 /*---------------------------------------------------------------------------
2529     snd_trident_vol_control
2530
2531     Description: wave & music volume control
2532   ---------------------------------------------------------------------------*/
2533
2534 static int snd_trident_vol_control_info(struct snd_kcontrol *kcontrol,
2535                                         struct snd_ctl_elem_info *uinfo)
2536 {
2537         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2538         uinfo->count = 2;
2539         uinfo->value.integer.min = 0;
2540         uinfo->value.integer.max = 255;
2541         return 0;
2542 }
2543
2544 static int snd_trident_vol_control_get(struct snd_kcontrol *kcontrol,
2545                                        struct snd_ctl_elem_value *ucontrol)
2546 {
2547         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2548         unsigned int val;
2549
2550         val = trident->musicvol_wavevol;
2551         ucontrol->value.integer.value[0] = 255 - ((val >> kcontrol->private_value) & 0xff);
2552         ucontrol->value.integer.value[1] = 255 - ((val >> (kcontrol->private_value + 8)) & 0xff);
2553         return 0;
2554 }
2555
2556 static const DECLARE_TLV_DB_SCALE(db_scale_gvol, -6375, 25, 0);
2557
2558 static int snd_trident_vol_control_put(struct snd_kcontrol *kcontrol,
2559                                        struct snd_ctl_elem_value *ucontrol)
2560 {
2561         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2562         unsigned int val;
2563         int change = 0;
2564
2565         spin_lock_irq(&trident->reg_lock);
2566         val = trident->musicvol_wavevol;
2567         val &= ~(0xffff << kcontrol->private_value);
2568         val |= ((255 - (ucontrol->value.integer.value[0] & 0xff)) |
2569                 ((255 - (ucontrol->value.integer.value[1] & 0xff)) << 8)) << kcontrol->private_value;
2570         change = val != trident->musicvol_wavevol;
2571         outl(trident->musicvol_wavevol = val, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL));
2572         spin_unlock_irq(&trident->reg_lock);
2573         return change;
2574 }
2575
2576 static const struct snd_kcontrol_new snd_trident_vol_music_control =
2577 {
2578         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2579         .name =         "Music Playback Volume",
2580         .info =         snd_trident_vol_control_info,
2581         .get =          snd_trident_vol_control_get,
2582         .put =          snd_trident_vol_control_put,
2583         .private_value = 16,
2584         .tlv = { .p = db_scale_gvol },
2585 };
2586
2587 static const struct snd_kcontrol_new snd_trident_vol_wave_control =
2588 {
2589         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2590         .name =         "Wave Playback Volume",
2591         .info =         snd_trident_vol_control_info,
2592         .get =          snd_trident_vol_control_get,
2593         .put =          snd_trident_vol_control_put,
2594         .private_value = 0,
2595         .tlv = { .p = db_scale_gvol },
2596 };
2597
2598 /*---------------------------------------------------------------------------
2599     snd_trident_pcm_vol_control
2600
2601     Description: PCM front volume control
2602   ---------------------------------------------------------------------------*/
2603
2604 static int snd_trident_pcm_vol_control_info(struct snd_kcontrol *kcontrol,
2605                                             struct snd_ctl_elem_info *uinfo)
2606 {
2607         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2608
2609         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2610         uinfo->count = 1;
2611         uinfo->value.integer.min = 0;
2612         uinfo->value.integer.max = 255;
2613         if (trident->device == TRIDENT_DEVICE_ID_SI7018)
2614                 uinfo->value.integer.max = 1023;
2615         return 0;
2616 }
2617
2618 static int snd_trident_pcm_vol_control_get(struct snd_kcontrol *kcontrol,
2619                                            struct snd_ctl_elem_value *ucontrol)
2620 {
2621         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2622         struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
2623
2624         if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
2625                 ucontrol->value.integer.value[0] = 1023 - mix->vol;
2626         } else {
2627                 ucontrol->value.integer.value[0] = 255 - (mix->vol>>2);
2628         }
2629         return 0;
2630 }
2631
2632 static int snd_trident_pcm_vol_control_put(struct snd_kcontrol *kcontrol,
2633                                            struct snd_ctl_elem_value *ucontrol)
2634 {
2635         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2636         struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
2637         unsigned int val;
2638         int change = 0;
2639
2640         if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
2641                 val = 1023 - (ucontrol->value.integer.value[0] & 1023);
2642         } else {
2643                 val = (255 - (ucontrol->value.integer.value[0] & 255)) << 2;
2644         }
2645         spin_lock_irq(&trident->reg_lock);
2646         change = val != mix->vol;
2647         mix->vol = val;
2648         if (mix->voice != NULL)
2649                 snd_trident_write_vol_reg(trident, mix->voice, val);
2650         spin_unlock_irq(&trident->reg_lock);
2651         return change;
2652 }
2653
2654 static const struct snd_kcontrol_new snd_trident_pcm_vol_control =
2655 {
2656         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2657         .name =         "PCM Front Playback Volume",
2658         .access =       SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2659         .count =        32,
2660         .info =         snd_trident_pcm_vol_control_info,
2661         .get =          snd_trident_pcm_vol_control_get,
2662         .put =          snd_trident_pcm_vol_control_put,
2663         /* FIXME: no tlv yet */
2664 };
2665
2666 /*---------------------------------------------------------------------------
2667     snd_trident_pcm_pan_control
2668
2669     Description: PCM front pan control
2670   ---------------------------------------------------------------------------*/
2671
2672 static int snd_trident_pcm_pan_control_info(struct snd_kcontrol *kcontrol,
2673                                             struct snd_ctl_elem_info *uinfo)
2674 {
2675         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2676         uinfo->count = 1;
2677         uinfo->value.integer.min = 0;
2678         uinfo->value.integer.max = 127;
2679         return 0;
2680 }
2681
2682 static int snd_trident_pcm_pan_control_get(struct snd_kcontrol *kcontrol,
2683                                            struct snd_ctl_elem_value *ucontrol)
2684 {
2685         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2686         struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
2687
2688         ucontrol->value.integer.value[0] = mix->pan;
2689         if (ucontrol->value.integer.value[0] & 0x40) {
2690                 ucontrol->value.integer.value[0] = (0x3f - (ucontrol->value.integer.value[0] & 0x3f));
2691         } else {
2692                 ucontrol->value.integer.value[0] |= 0x40;
2693         }
2694         return 0;
2695 }
2696
2697 static int snd_trident_pcm_pan_control_put(struct snd_kcontrol *kcontrol,
2698                                            struct snd_ctl_elem_value *ucontrol)
2699 {
2700         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2701         struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
2702         unsigned char val;
2703         int change = 0;
2704
2705         if (ucontrol->value.integer.value[0] & 0x40)
2706                 val = ucontrol->value.integer.value[0] & 0x3f;
2707         else
2708                 val = (0x3f - (ucontrol->value.integer.value[0] & 0x3f)) | 0x40;
2709         spin_lock_irq(&trident->reg_lock);
2710         change = val != mix->pan;
2711         mix->pan = val;
2712         if (mix->voice != NULL)
2713                 snd_trident_write_pan_reg(trident, mix->voice, val);
2714         spin_unlock_irq(&trident->reg_lock);
2715         return change;
2716 }
2717
2718 static const struct snd_kcontrol_new snd_trident_pcm_pan_control =
2719 {
2720         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2721         .name =         "PCM Pan Playback Control",
2722         .access =       SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2723         .count =        32,
2724         .info =         snd_trident_pcm_pan_control_info,
2725         .get =          snd_trident_pcm_pan_control_get,
2726         .put =          snd_trident_pcm_pan_control_put,
2727 };
2728
2729 /*---------------------------------------------------------------------------
2730     snd_trident_pcm_rvol_control
2731
2732     Description: PCM reverb volume control
2733   ---------------------------------------------------------------------------*/
2734
2735 static int snd_trident_pcm_rvol_control_info(struct snd_kcontrol *kcontrol,
2736                                              struct snd_ctl_elem_info *uinfo)
2737 {
2738         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2739         uinfo->count = 1;
2740         uinfo->value.integer.min = 0;
2741         uinfo->value.integer.max = 127;
2742         return 0;
2743 }
2744
2745 static int snd_trident_pcm_rvol_control_get(struct snd_kcontrol *kcontrol,
2746                                             struct snd_ctl_elem_value *ucontrol)
2747 {
2748         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2749         struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
2750
2751         ucontrol->value.integer.value[0] = 127 - mix->rvol;
2752         return 0;
2753 }
2754
2755 static int snd_trident_pcm_rvol_control_put(struct snd_kcontrol *kcontrol,
2756                                             struct snd_ctl_elem_value *ucontrol)
2757 {
2758         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2759         struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
2760         unsigned short val;
2761         int change = 0;
2762
2763         val = 0x7f - (ucontrol->value.integer.value[0] & 0x7f);
2764         spin_lock_irq(&trident->reg_lock);
2765         change = val != mix->rvol;
2766         mix->rvol = val;
2767         if (mix->voice != NULL)
2768                 snd_trident_write_rvol_reg(trident, mix->voice, val);
2769         spin_unlock_irq(&trident->reg_lock);
2770         return change;
2771 }
2772
2773 static const DECLARE_TLV_DB_SCALE(db_scale_crvol, -3175, 25, 1);
2774
2775 static const struct snd_kcontrol_new snd_trident_pcm_rvol_control =
2776 {
2777         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2778         .name =         "PCM Reverb Playback Volume",
2779         .access =       SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2780         .count =        32,
2781         .info =         snd_trident_pcm_rvol_control_info,
2782         .get =          snd_trident_pcm_rvol_control_get,
2783         .put =          snd_trident_pcm_rvol_control_put,
2784         .tlv = { .p = db_scale_crvol },
2785 };
2786
2787 /*---------------------------------------------------------------------------
2788     snd_trident_pcm_cvol_control
2789
2790     Description: PCM chorus volume control
2791   ---------------------------------------------------------------------------*/
2792
2793 static int snd_trident_pcm_cvol_control_info(struct snd_kcontrol *kcontrol,
2794                                              struct snd_ctl_elem_info *uinfo)
2795 {
2796         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2797         uinfo->count = 1;
2798         uinfo->value.integer.min = 0;
2799         uinfo->value.integer.max = 127;
2800         return 0;
2801 }
2802
2803 static int snd_trident_pcm_cvol_control_get(struct snd_kcontrol *kcontrol,
2804                                             struct snd_ctl_elem_value *ucontrol)
2805 {
2806         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2807         struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
2808
2809         ucontrol->value.integer.value[0] = 127 - mix->cvol;
2810         return 0;
2811 }
2812
2813 static int snd_trident_pcm_cvol_control_put(struct snd_kcontrol *kcontrol,
2814                                             struct snd_ctl_elem_value *ucontrol)
2815 {
2816         struct snd_trident *trident = snd_kcontrol_chip(kcontrol);
2817         struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)];
2818         unsigned short val;
2819         int change = 0;
2820
2821         val = 0x7f - (ucontrol->value.integer.value[0] & 0x7f);
2822         spin_lock_irq(&trident->reg_lock);
2823         change = val != mix->cvol;
2824         mix->cvol = val;
2825         if (mix->voice != NULL)
2826                 snd_trident_write_cvol_reg(trident, mix->voice, val);
2827         spin_unlock_irq(&trident->reg_lock);
2828         return change;
2829 }
2830
2831 static const struct snd_kcontrol_new snd_trident_pcm_cvol_control =
2832 {
2833         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2834         .name =         "PCM Chorus Playback Volume",
2835         .access =       SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
2836         .count =        32,
2837         .info =         snd_trident_pcm_cvol_control_info,
2838         .get =          snd_trident_pcm_cvol_control_get,
2839         .put =          snd_trident_pcm_cvol_control_put,
2840         .tlv = { .p = db_scale_crvol },
2841 };
2842
2843 static void snd_trident_notify_pcm_change1(struct snd_card *card,
2844                                            struct snd_kcontrol *kctl,
2845                                            int num, int activate)
2846 {
2847         struct snd_ctl_elem_id id;
2848
2849         if (! kctl)
2850                 return;
2851         if (activate)
2852                 kctl->vd[num].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
2853         else
2854                 kctl->vd[num].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
2855         snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE |
2856                        SNDRV_CTL_EVENT_MASK_INFO,
2857                        snd_ctl_build_ioff(&id, kctl, num));
2858 }
2859
2860 static void snd_trident_notify_pcm_change(struct snd_trident *trident,
2861                                           struct snd_trident_pcm_mixer *tmix,
2862                                           int num, int activate)
2863 {
2864         snd_trident_notify_pcm_change1(trident->card, trident->ctl_vol, num, activate);
2865         snd_trident_notify_pcm_change1(trident->card, trident->ctl_pan, num, activate);
2866         snd_trident_notify_pcm_change1(trident->card, trident->ctl_rvol, num, activate);
2867         snd_trident_notify_pcm_change1(trident->card, trident->ctl_cvol, num, activate);
2868 }
2869
2870 static int snd_trident_pcm_mixer_build(struct snd_trident *trident,
2871                                        struct snd_trident_voice *voice,
2872                                        struct snd_pcm_substream *substream)
2873 {
2874         struct snd_trident_pcm_mixer *tmix;
2875
2876         if (snd_BUG_ON(!trident || !voice || !substream))
2877                 return -EINVAL;
2878         tmix = &trident->pcm_mixer[substream->number];
2879         tmix->voice = voice;
2880         tmix->vol = T4D_DEFAULT_PCM_VOL;
2881         tmix->pan = T4D_DEFAULT_PCM_PAN;
2882         tmix->rvol = T4D_DEFAULT_PCM_RVOL;
2883         tmix->cvol = T4D_DEFAULT_PCM_CVOL;
2884         snd_trident_notify_pcm_change(trident, tmix, substream->number, 1);
2885         return 0;
2886 }
2887
2888 static int snd_trident_pcm_mixer_free(struct snd_trident *trident, struct snd_trident_voice *voice, struct snd_pcm_substream *substream)
2889 {
2890         struct snd_trident_pcm_mixer *tmix;
2891
2892         if (snd_BUG_ON(!trident || !substream))
2893                 return -EINVAL;
2894         tmix = &trident->pcm_mixer[substream->number];
2895         tmix->voice = NULL;
2896         snd_trident_notify_pcm_change(trident, tmix, substream->number, 0);
2897         return 0;
2898 }
2899
2900 /*---------------------------------------------------------------------------
2901    snd_trident_mixer
2902
2903    Description: This routine registers the 4DWave device for mixer support.
2904
2905    Parameters:  trident - pointer to target device class for 4DWave.
2906
2907    Returns:     None
2908
2909   ---------------------------------------------------------------------------*/
2910
2911 static int snd_trident_mixer(struct snd_trident *trident, int pcm_spdif_device)
2912 {
2913         struct snd_ac97_template _ac97;
2914         struct snd_card *card = trident->card;
2915         struct snd_kcontrol *kctl;
2916         struct snd_ctl_elem_value *uctl;
2917         int idx, err, retries = 2;
2918         static const struct snd_ac97_bus_ops ops = {
2919                 .write = snd_trident_codec_write,
2920                 .read = snd_trident_codec_read,
2921         };
2922
2923         uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
2924         if (!uctl)
2925                 return -ENOMEM;
2926
2927         err = snd_ac97_bus(trident->card, 0, &ops, NULL, &trident->ac97_bus);
2928         if (err < 0)
2929                 goto __out;
2930
2931         memset(&_ac97, 0, sizeof(_ac97));
2932         _ac97.private_data = trident;
2933         trident->ac97_detect = 1;
2934
2935       __again:
2936         err = snd_ac97_mixer(trident->ac97_bus, &_ac97, &trident->ac97);
2937         if (err < 0) {
2938                 if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
2939                         err = snd_trident_sis_reset(trident);
2940                         if (err < 0)
2941                                 goto __out;
2942                         if (retries-- > 0)
2943                                 goto __again;
2944                         err = -EIO;
2945                 }
2946                 goto __out;
2947         }
2948
2949         /* secondary codec? */
2950         if (trident->device == TRIDENT_DEVICE_ID_SI7018 &&
2951             (inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) & SI_AC97_PRIMARY_READY) != 0) {
2952                 _ac97.num = 1;
2953                 err = snd_ac97_mixer(trident->ac97_bus, &_ac97, &trident->ac97_sec);
2954                 if (err < 0)
2955                         dev_err(trident->card->dev,
2956                                 "SI7018: the secondary codec - invalid access\n");
2957 #if 0   // only for my testing purpose --jk
2958                 {
2959                         struct snd_ac97 *mc97;
2960                         err = snd_ac97_modem(trident->card, &_ac97, &mc97);
2961                         if (err < 0)
2962                                 dev_err(trident->card->dev,
2963                                         "snd_ac97_modem returned error %i\n", err);
2964                 }
2965 #endif
2966         }
2967
2968         trident->ac97_detect = 0;
2969
2970         if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
2971                 kctl = snd_ctl_new1(&snd_trident_vol_wave_control, trident);
2972                 err = snd_ctl_add(card, kctl);
2973                 if (err < 0)
2974                         goto __out;
2975                 kctl->put(kctl, uctl);
2976                 kctl = snd_ctl_new1(&snd_trident_vol_music_control, trident);
2977                 err = snd_ctl_add(card, kctl);
2978                 if (err < 0)
2979                         goto __out;
2980                 kctl->put(kctl, uctl);
2981                 outl(trident->musicvol_wavevol = 0x00000000, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL));
2982         } else {
2983                 outl(trident->musicvol_wavevol = 0xffff0000, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL));
2984         }
2985
2986         for (idx = 0; idx < 32; idx++) {
2987                 struct snd_trident_pcm_mixer *tmix;
2988
2989                 tmix = &trident->pcm_mixer[idx];
2990                 tmix->voice = NULL;
2991         }
2992         trident->ctl_vol = snd_ctl_new1(&snd_trident_pcm_vol_control, trident);
2993         if (!trident->ctl_vol)
2994                 goto __nomem;
2995         err = snd_ctl_add(card, trident->ctl_vol);
2996         if (err)
2997                 goto __out;
2998
2999         trident->ctl_pan = snd_ctl_new1(&snd_trident_pcm_pan_control, trident);
3000         if (!trident->ctl_pan)
3001                 goto __nomem;
3002         err = snd_ctl_add(card, trident->ctl_pan);
3003         if (err)
3004                 goto __out;
3005
3006         trident->ctl_rvol = snd_ctl_new1(&snd_trident_pcm_rvol_control, trident);
3007         if (!trident->ctl_rvol)
3008                 goto __nomem;
3009         err = snd_ctl_add(card, trident->ctl_rvol);
3010         if (err)
3011                 goto __out;
3012
3013         trident->ctl_cvol = snd_ctl_new1(&snd_trident_pcm_cvol_control, trident);
3014         if (!trident->ctl_cvol)
3015                 goto __nomem;
3016         err = snd_ctl_add(card, trident->ctl_cvol);
3017         if (err)
3018                 goto __out;
3019
3020         if (trident->device == TRIDENT_DEVICE_ID_NX) {
3021                 kctl = snd_ctl_new1(&snd_trident_ac97_rear_control, trident);
3022                 err = snd_ctl_add(card, kctl);
3023                 if (err < 0)
3024                         goto __out;
3025                 kctl->put(kctl, uctl);
3026         }
3027         if (trident->device == TRIDENT_DEVICE_ID_NX || trident->device == TRIDENT_DEVICE_ID_SI7018) {
3028
3029                 kctl = snd_ctl_new1(&snd_trident_spdif_control, trident);
3030                 if (kctl == NULL) {
3031                         err = -ENOMEM;
3032                         goto __out;
3033                 }
3034                 if (trident->ac97->ext_id & AC97_EI_SPDIF)
3035                         kctl->id.index++;
3036                 if (trident->ac97_sec && (trident->ac97_sec->ext_id & AC97_EI_SPDIF))
3037                         kctl->id.index++;
3038                 idx = kctl->id.index;
3039                 err = snd_ctl_add(card, kctl);
3040                 if (err < 0)
3041                         goto __out;
3042                 kctl->put(kctl, uctl);
3043
3044                 kctl = snd_ctl_new1(&snd_trident_spdif_default, trident);
3045                 if (kctl == NULL) {
3046                         err = -ENOMEM;
3047                         goto __out;
3048                 }
3049                 kctl->id.index = idx;
3050                 kctl->id.device = pcm_spdif_device;
3051                 err = snd_ctl_add(card, kctl);
3052                 if (err < 0)
3053                         goto __out;
3054
3055                 kctl = snd_ctl_new1(&snd_trident_spdif_mask, trident);
3056                 if (kctl == NULL) {
3057                         err = -ENOMEM;
3058                         goto __out;
3059                 }
3060                 kctl->id.index = idx;
3061                 kctl->id.device = pcm_spdif_device;
3062                 err = snd_ctl_add(card, kctl);
3063                 if (err < 0)
3064                         goto __out;
3065
3066                 kctl = snd_ctl_new1(&snd_trident_spdif_stream, trident);
3067                 if (kctl == NULL) {
3068                         err = -ENOMEM;
3069                         goto __out;
3070                 }
3071                 kctl->id.index = idx;
3072                 kctl->id.device = pcm_spdif_device;
3073                 err = snd_ctl_add(card, kctl);
3074                 if (err < 0)
3075                         goto __out;
3076                 trident->spdif_pcm_ctl = kctl;
3077         }
3078
3079         err = 0;
3080         goto __out;
3081
3082  __nomem:
3083         err = -ENOMEM;
3084
3085  __out:
3086         kfree(uctl);
3087
3088         return err;
3089 }
3090
3091 /*
3092  * gameport interface
3093  */
3094
3095 #if IS_REACHABLE(CONFIG_GAMEPORT)
3096
3097 static unsigned char snd_trident_gameport_read(struct gameport *gameport)
3098 {
3099         struct snd_trident *chip = gameport_get_port_data(gameport);
3100
3101         if (snd_BUG_ON(!chip))
3102                 return 0;
3103         return inb(TRID_REG(chip, GAMEPORT_LEGACY));
3104 }
3105
3106 static void snd_trident_gameport_trigger(struct gameport *gameport)
3107 {
3108         struct snd_trident *chip = gameport_get_port_data(gameport);
3109
3110         if (snd_BUG_ON(!chip))
3111                 return;
3112         outb(0xff, TRID_REG(chip, GAMEPORT_LEGACY));
3113 }
3114
3115 static int snd_trident_gameport_cooked_read(struct gameport *gameport, int *axes, int *buttons)
3116 {
3117         struct snd_trident *chip = gameport_get_port_data(gameport);
3118         int i;
3119
3120         if (snd_BUG_ON(!chip))
3121                 return 0;
3122
3123         *buttons = (~inb(TRID_REG(chip, GAMEPORT_LEGACY)) >> 4) & 0xf;
3124
3125         for (i = 0; i < 4; i++) {
3126                 axes[i] = inw(TRID_REG(chip, GAMEPORT_AXES + i * 2));
3127                 if (axes[i] == 0xffff) axes[i] = -1;
3128         }
3129
3130         return 0;
3131 }
3132
3133 static int snd_trident_gameport_open(struct gameport *gameport, int mode)
3134 {
3135         struct snd_trident *chip = gameport_get_port_data(gameport);
3136
3137         if (snd_BUG_ON(!chip))
3138                 return 0;
3139
3140         switch (mode) {
3141                 case GAMEPORT_MODE_COOKED:
3142                         outb(GAMEPORT_MODE_ADC, TRID_REG(chip, GAMEPORT_GCR));
3143                         msleep(20);
3144                         return 0;
3145                 case GAMEPORT_MODE_RAW:
3146                         outb(0, TRID_REG(chip, GAMEPORT_GCR));
3147                         return 0;
3148                 default:
3149                         return -1;
3150         }
3151 }
3152
3153 int snd_trident_create_gameport(struct snd_trident *chip)
3154 {
3155         struct gameport *gp;
3156
3157         chip->gameport = gp = gameport_allocate_port();
3158         if (!gp) {
3159                 dev_err(chip->card->dev,
3160                         "cannot allocate memory for gameport\n");
3161                 return -ENOMEM;
3162         }
3163
3164         gameport_set_name(gp, "Trident 4DWave");
3165         gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci));
3166         gameport_set_dev_parent(gp, &chip->pci->dev);
3167
3168         gameport_set_port_data(gp, chip);
3169         gp->fuzz = 64;
3170         gp->read = snd_trident_gameport_read;
3171         gp->trigger = snd_trident_gameport_trigger;
3172         gp->cooked_read = snd_trident_gameport_cooked_read;
3173         gp->open = snd_trident_gameport_open;
3174
3175         gameport_register_port(gp);
3176
3177         return 0;
3178 }
3179
3180 static inline void snd_trident_free_gameport(struct snd_trident *chip)
3181 {
3182         if (chip->gameport) {
3183                 gameport_unregister_port(chip->gameport);
3184                 chip->gameport = NULL;
3185         }
3186 }
3187 #else
3188 int snd_trident_create_gameport(struct snd_trident *chip) { return -ENOSYS; }
3189 static inline void snd_trident_free_gameport(struct snd_trident *chip) { }
3190 #endif /* CONFIG_GAMEPORT */
3191
3192 /*
3193  * delay for 1 tick
3194  */
3195 static inline void do_delay(struct snd_trident *chip)
3196 {
3197         schedule_timeout_uninterruptible(1);
3198 }
3199
3200 /*
3201  *  SiS reset routine
3202  */
3203
3204 static int snd_trident_sis_reset(struct snd_trident *trident)
3205 {
3206         unsigned long end_time;
3207         unsigned int i;
3208         int r;
3209
3210         r = trident->in_suspend ? 0 : 2;        /* count of retries */
3211       __si7018_retry:
3212         pci_write_config_byte(trident->pci, 0x46, 0x04);        /* SOFTWARE RESET */
3213         udelay(100);
3214         pci_write_config_byte(trident->pci, 0x46, 0x00);
3215         udelay(100);
3216         /* disable AC97 GPIO interrupt */
3217         outb(0x00, TRID_REG(trident, SI_AC97_GPIO));
3218         /* initialize serial interface, force cold reset */
3219         i = PCMOUT|SURROUT|CENTEROUT|LFEOUT|SECONDARY_ID|COLD_RESET;
3220         outl(i, TRID_REG(trident, SI_SERIAL_INTF_CTRL));
3221         udelay(1000);
3222         /* remove cold reset */
3223         i &= ~COLD_RESET;
3224         outl(i, TRID_REG(trident, SI_SERIAL_INTF_CTRL));
3225         udelay(2000);
3226         /* wait, until the codec is ready */
3227         end_time = (jiffies + (HZ * 3) / 4) + 1;
3228         do {
3229                 if ((inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) & SI_AC97_PRIMARY_READY) != 0)
3230                         goto __si7018_ok;
3231                 do_delay(trident);
3232         } while (time_after_eq(end_time, jiffies));
3233         dev_err(trident->card->dev, "AC'97 codec ready error [0x%x]\n",
3234                 inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)));
3235         if (r-- > 0) {
3236                 end_time = jiffies + HZ;
3237                 do {
3238                         do_delay(trident);
3239                 } while (time_after_eq(end_time, jiffies));
3240                 goto __si7018_retry;
3241         }
3242       __si7018_ok:
3243         /* wait for the second codec */
3244         do {
3245                 if ((inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) & SI_AC97_SECONDARY_READY) != 0)
3246                         break;
3247                 do_delay(trident);
3248         } while (time_after_eq(end_time, jiffies));
3249         /* enable 64 channel mode */
3250         outl(BANK_B_EN, TRID_REG(trident, T4D_LFO_GC_CIR));
3251         return 0;
3252 }
3253
3254 /*
3255  *  /proc interface
3256  */
3257
3258 static void snd_trident_proc_read(struct snd_info_entry *entry,
3259                                   struct snd_info_buffer *buffer)
3260 {
3261         struct snd_trident *trident = entry->private_data;
3262         char *s;
3263
3264         switch (trident->device) {
3265         case TRIDENT_DEVICE_ID_SI7018:
3266                 s = "SiS 7018 Audio";
3267                 break;
3268         case TRIDENT_DEVICE_ID_DX:
3269                 s = "Trident 4DWave PCI DX";
3270                 break;
3271         case TRIDENT_DEVICE_ID_NX:
3272                 s = "Trident 4DWave PCI NX";
3273                 break;
3274         default:
3275                 s = "???";
3276         }
3277         snd_iprintf(buffer, "%s\n\n", s);
3278         snd_iprintf(buffer, "Spurious IRQs    : %d\n", trident->spurious_irq_count);
3279         snd_iprintf(buffer, "Spurious IRQ dlta: %d\n", trident->spurious_irq_max_delta);
3280         if (trident->device == TRIDENT_DEVICE_ID_NX || trident->device == TRIDENT_DEVICE_ID_SI7018)
3281                 snd_iprintf(buffer, "IEC958 Mixer Out : %s\n", trident->spdif_ctrl == 0x28 ? "on" : "off");
3282         if (trident->device == TRIDENT_DEVICE_ID_NX) {
3283                 snd_iprintf(buffer, "Rear Speakers    : %s\n", trident->ac97_ctrl & 0x00000010 ? "on" : "off");
3284                 if (trident->tlb.entries) {
3285                         snd_iprintf(buffer,"\nVirtual Memory\n");
3286                         snd_iprintf(buffer, "Memory Maximum : %d\n", trident->tlb.memhdr->size);
3287                         snd_iprintf(buffer, "Memory Used    : %d\n", trident->tlb.memhdr->used);
3288                         snd_iprintf(buffer, "Memory Free    : %d\n", snd_util_mem_avail(trident->tlb.memhdr));
3289                 }
3290         }
3291 }
3292
3293 static void snd_trident_proc_init(struct snd_trident *trident)
3294 {
3295         const char *s = "trident";
3296
3297         if (trident->device == TRIDENT_DEVICE_ID_SI7018)
3298                 s = "sis7018";
3299         snd_card_ro_proc_new(trident->card, s, trident, snd_trident_proc_read);
3300 }
3301
3302 /*---------------------------------------------------------------------------
3303    snd_trident_tlb_alloc
3304
3305    Description: Allocate and set up the TLB page table on 4D NX.
3306                 Each entry has 4 bytes (physical PCI address).
3307
3308    Parameters:  trident - pointer to target device class for 4DWave.
3309
3310    Returns:     0 or negative error code
3311
3312   ---------------------------------------------------------------------------*/
3313
3314 static int snd_trident_tlb_alloc(struct snd_trident *trident)
3315 {
3316         int i;
3317
3318         /* TLB array must be aligned to 16kB !!! so we allocate
3319            32kB region and correct offset when necessary */
3320
3321         trident->tlb.buffer =
3322                 snd_devm_alloc_pages(&trident->pci->dev, SNDRV_DMA_TYPE_DEV,
3323                                      2 * SNDRV_TRIDENT_MAX_PAGES * 4);
3324         if (!trident->tlb.buffer) {
3325                 dev_err(trident->card->dev, "unable to allocate TLB buffer\n");
3326                 return -ENOMEM;
3327         }
3328         trident->tlb.entries = (__le32 *)ALIGN((unsigned long)trident->tlb.buffer->area, SNDRV_TRIDENT_MAX_PAGES * 4);
3329         trident->tlb.entries_dmaaddr = ALIGN(trident->tlb.buffer->addr, SNDRV_TRIDENT_MAX_PAGES * 4);
3330
3331         /* allocate and setup silent page and initialise TLB entries */
3332         trident->tlb.silent_page =
3333                 snd_devm_alloc_pages(&trident->pci->dev, SNDRV_DMA_TYPE_DEV,
3334                                      SNDRV_TRIDENT_PAGE_SIZE);
3335         if (!trident->tlb.silent_page) {
3336                 dev_err(trident->card->dev, "unable to allocate silent page\n");
3337                 return -ENOMEM;
3338         }
3339         memset(trident->tlb.silent_page->area, 0, SNDRV_TRIDENT_PAGE_SIZE);
3340         for (i = 0; i < SNDRV_TRIDENT_MAX_PAGES; i++)
3341                 trident->tlb.entries[i] = cpu_to_le32(trident->tlb.silent_page->addr & ~(SNDRV_TRIDENT_PAGE_SIZE-1));
3342
3343         /* use emu memory block manager code to manage tlb page allocation */
3344         trident->tlb.memhdr = snd_util_memhdr_new(SNDRV_TRIDENT_PAGE_SIZE * SNDRV_TRIDENT_MAX_PAGES);
3345         if (trident->tlb.memhdr == NULL)
3346                 return -ENOMEM;
3347
3348         trident->tlb.memhdr->block_extra_size = sizeof(struct snd_trident_memblk_arg);
3349         return 0;
3350 }
3351
3352 /*
3353  * initialize 4D DX chip
3354  */
3355
3356 static void snd_trident_stop_all_voices(struct snd_trident *trident)
3357 {
3358         outl(0xffffffff, TRID_REG(trident, T4D_STOP_A));
3359         outl(0xffffffff, TRID_REG(trident, T4D_STOP_B));
3360         outl(0, TRID_REG(trident, T4D_AINTEN_A));
3361         outl(0, TRID_REG(trident, T4D_AINTEN_B));
3362 }
3363
3364 static int snd_trident_4d_dx_init(struct snd_trident *trident)
3365 {
3366         struct pci_dev *pci = trident->pci;
3367         unsigned long end_time;
3368
3369         /* reset the legacy configuration and whole audio/wavetable block */
3370         pci_write_config_dword(pci, 0x40, 0);   /* DDMA */
3371         pci_write_config_byte(pci, 0x44, 0);    /* ports */
3372         pci_write_config_byte(pci, 0x45, 0);    /* Legacy DMA */
3373         pci_write_config_byte(pci, 0x46, 4); /* reset */
3374         udelay(100);
3375         pci_write_config_byte(pci, 0x46, 0); /* release reset */
3376         udelay(100);
3377
3378         /* warm reset of the AC'97 codec */
3379         outl(0x00000001, TRID_REG(trident, DX_ACR2_AC97_COM_STAT));
3380         udelay(100);
3381         outl(0x00000000, TRID_REG(trident, DX_ACR2_AC97_COM_STAT));
3382         /* DAC on, disable SB IRQ and try to force ADC valid signal */
3383         trident->ac97_ctrl = 0x0000004a;
3384         outl(trident->ac97_ctrl, TRID_REG(trident, DX_ACR2_AC97_COM_STAT));
3385         /* wait, until the codec is ready */
3386         end_time = (jiffies + (HZ * 3) / 4) + 1;
3387         do {
3388                 if ((inl(TRID_REG(trident, DX_ACR2_AC97_COM_STAT)) & 0x0010) != 0)
3389                         goto __dx_ok;
3390                 do_delay(trident);
3391         } while (time_after_eq(end_time, jiffies));
3392         dev_err(trident->card->dev, "AC'97 codec ready error\n");
3393         return -EIO;
3394
3395  __dx_ok:
3396         snd_trident_stop_all_voices(trident);
3397
3398         return 0;
3399 }
3400
3401 /*
3402  * initialize 4D NX chip
3403  */
3404 static int snd_trident_4d_nx_init(struct snd_trident *trident)
3405 {
3406         struct pci_dev *pci = trident->pci;
3407         unsigned long end_time;
3408
3409         /* reset the legacy configuration and whole audio/wavetable block */
3410         pci_write_config_dword(pci, 0x40, 0);   /* DDMA */
3411         pci_write_config_byte(pci, 0x44, 0);    /* ports */
3412         pci_write_config_byte(pci, 0x45, 0);    /* Legacy DMA */
3413
3414         pci_write_config_byte(pci, 0x46, 1); /* reset */
3415         udelay(100);
3416         pci_write_config_byte(pci, 0x46, 0); /* release reset */
3417         udelay(100);
3418
3419         /* warm reset of the AC'97 codec */
3420         outl(0x00000001, TRID_REG(trident, NX_ACR0_AC97_COM_STAT));
3421         udelay(100);
3422         outl(0x00000000, TRID_REG(trident, NX_ACR0_AC97_COM_STAT));
3423         /* wait, until the codec is ready */
3424         end_time = (jiffies + (HZ * 3) / 4) + 1;
3425         do {
3426                 if ((inl(TRID_REG(trident, NX_ACR0_AC97_COM_STAT)) & 0x0008) != 0)
3427                         goto __nx_ok;
3428                 do_delay(trident);
3429         } while (time_after_eq(end_time, jiffies));
3430         dev_err(trident->card->dev, "AC'97 codec ready error [0x%x]\n",
3431                 inl(TRID_REG(trident, NX_ACR0_AC97_COM_STAT)));
3432         return -EIO;
3433
3434  __nx_ok:
3435         /* DAC on */
3436         trident->ac97_ctrl = 0x00000002;
3437         outl(trident->ac97_ctrl, TRID_REG(trident, NX_ACR0_AC97_COM_STAT));
3438         /* disable SB IRQ */
3439         outl(NX_SB_IRQ_DISABLE, TRID_REG(trident, T4D_MISCINT));
3440
3441         snd_trident_stop_all_voices(trident);
3442
3443         if (trident->tlb.entries != NULL) {
3444                 unsigned int i;
3445                 /* enable virtual addressing via TLB */
3446                 i = trident->tlb.entries_dmaaddr;
3447                 i |= 0x00000001;
3448                 outl(i, TRID_REG(trident, NX_TLBC));
3449         } else {
3450                 outl(0, TRID_REG(trident, NX_TLBC));
3451         }
3452         /* initialize S/PDIF */
3453         outl(trident->spdif_bits, TRID_REG(trident, NX_SPCSTATUS));
3454         outb(trident->spdif_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
3455
3456         return 0;
3457 }
3458
3459 /*
3460  * initialize sis7018 chip
3461  */
3462 static int snd_trident_sis_init(struct snd_trident *trident)
3463 {
3464         int err;
3465
3466         err = snd_trident_sis_reset(trident);
3467         if (err < 0)
3468                 return err;
3469
3470         snd_trident_stop_all_voices(trident);
3471
3472         /* initialize S/PDIF */
3473         outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS));
3474
3475         return 0;
3476 }
3477
3478 /*---------------------------------------------------------------------------
3479    snd_trident_create
3480
3481    Description: This routine will create the device specific class for
3482                 the 4DWave card. It will also perform basic initialization.
3483
3484    Parameters:  card  - which card to create
3485                 pci   - interface to PCI bus resource info
3486                 dma1ptr - playback dma buffer
3487                 dma2ptr - capture dma buffer
3488                 irqptr  -  interrupt resource info
3489
3490    Returns:     4DWave device class private data
3491
3492   ---------------------------------------------------------------------------*/
3493
3494 int snd_trident_create(struct snd_card *card,
3495                        struct pci_dev *pci,
3496                        int pcm_streams,
3497                        int pcm_spdif_device,
3498                        int max_wavetable_size)
3499 {
3500         struct snd_trident *trident = card->private_data;
3501         int i, err;
3502         struct snd_trident_voice *voice;
3503         struct snd_trident_pcm_mixer *tmix;
3504
3505         /* enable PCI device */
3506         err = pcim_enable_device(pci);
3507         if (err < 0)
3508                 return err;
3509         /* check, if we can restrict PCI DMA transfers to 30 bits */
3510         if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(30))) {
3511                 dev_err(card->dev,
3512                         "architecture does not support 30bit PCI busmaster DMA\n");
3513                 return -ENXIO;
3514         }
3515
3516         trident->device = (pci->vendor << 16) | pci->device;
3517         trident->card = card;
3518         trident->pci = pci;
3519         spin_lock_init(&trident->reg_lock);
3520         spin_lock_init(&trident->event_lock);
3521         spin_lock_init(&trident->voice_alloc);
3522         if (pcm_streams < 1)
3523                 pcm_streams = 1;
3524         if (pcm_streams > 32)
3525                 pcm_streams = 32;
3526         trident->ChanPCM = pcm_streams;
3527         if (max_wavetable_size < 0 )
3528                 max_wavetable_size = 0;
3529         trident->synth.max_size = max_wavetable_size * 1024;
3530         trident->irq = -1;
3531         card->private_free = snd_trident_free;
3532
3533         trident->midi_port = TRID_REG(trident, T4D_MPU401_BASE);
3534         pci_set_master(pci);
3535
3536         err = pci_request_regions(pci, "Trident Audio");
3537         if (err < 0)
3538                 return err;
3539         trident->port = pci_resource_start(pci, 0);
3540
3541         if (devm_request_irq(&pci->dev, pci->irq, snd_trident_interrupt,
3542                              IRQF_SHARED, KBUILD_MODNAME, trident)) {
3543                 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
3544                 return -EBUSY;
3545         }
3546         trident->irq = pci->irq;
3547         card->sync_irq = trident->irq;
3548
3549         /* allocate 16k-aligned TLB for NX cards */
3550         trident->tlb.entries = NULL;
3551         if (trident->device == TRIDENT_DEVICE_ID_NX) {
3552                 err = snd_trident_tlb_alloc(trident);
3553                 if (err < 0)
3554                         return err;
3555         }
3556
3557         trident->spdif_bits = trident->spdif_pcm_bits = SNDRV_PCM_DEFAULT_CON_SPDIF;
3558
3559         /* initialize chip */
3560         switch (trident->device) {
3561         case TRIDENT_DEVICE_ID_DX:
3562                 err = snd_trident_4d_dx_init(trident);
3563                 break;
3564         case TRIDENT_DEVICE_ID_NX:
3565                 err = snd_trident_4d_nx_init(trident);
3566                 break;
3567         case TRIDENT_DEVICE_ID_SI7018:
3568                 err = snd_trident_sis_init(trident);
3569                 break;
3570         default:
3571                 snd_BUG();
3572                 break;
3573         }
3574         if (err < 0)
3575                 return err;
3576
3577         err = snd_trident_mixer(trident, pcm_spdif_device);
3578         if (err < 0)
3579                 return err;
3580
3581         /* initialise synth voices */
3582         for (i = 0; i < 64; i++) {
3583                 voice = &trident->synth.voices[i];
3584                 voice->number = i;
3585                 voice->trident = trident;
3586         }
3587         /* initialize pcm mixer entries */
3588         for (i = 0; i < 32; i++) {
3589                 tmix = &trident->pcm_mixer[i];
3590                 tmix->vol = T4D_DEFAULT_PCM_VOL;
3591                 tmix->pan = T4D_DEFAULT_PCM_PAN;
3592                 tmix->rvol = T4D_DEFAULT_PCM_RVOL;
3593                 tmix->cvol = T4D_DEFAULT_PCM_CVOL;
3594         }
3595
3596         snd_trident_enable_eso(trident);
3597
3598         snd_trident_proc_init(trident);
3599         return 0;
3600 }
3601
3602 /*---------------------------------------------------------------------------
3603    snd_trident_free
3604
3605    Description: This routine will free the device specific class for
3606                 the 4DWave card.
3607
3608    Parameters:  card - card to release
3609
3610    Returns:     None.
3611
3612   ---------------------------------------------------------------------------*/
3613
3614 static void snd_trident_free(struct snd_card *card)
3615 {
3616         struct snd_trident *trident = card->private_data;
3617
3618         snd_trident_free_gameport(trident);
3619         snd_trident_disable_eso(trident);
3620         // Disable S/PDIF out
3621         if (trident->device == TRIDENT_DEVICE_ID_NX)
3622                 outb(0x00, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
3623         else if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
3624                 outl(0, TRID_REG(trident, SI_SERIAL_INTF_CTRL));
3625         }
3626         if (trident->tlb.buffer) {
3627                 outl(0, TRID_REG(trident, NX_TLBC));
3628                 snd_util_memhdr_free(trident->tlb.memhdr);
3629         }
3630 }
3631
3632 /*---------------------------------------------------------------------------
3633    snd_trident_interrupt
3634
3635    Description: ISR for Trident 4DWave device
3636
3637    Parameters:  trident  - device specific private data for 4DWave card
3638
3639    Problems:    It seems that Trident chips generates interrupts more than
3640                 one time in special cases. The spurious interrupts are
3641                 detected via sample timer (T4D_STIMER) and computing
3642                 corresponding delta value. The limits are detected with
3643                 the method try & fail so it is possible that it won't
3644                 work on all computers. [jaroslav]
3645
3646    Returns:     None.
3647
3648   ---------------------------------------------------------------------------*/
3649
3650 static irqreturn_t snd_trident_interrupt(int irq, void *dev_id)
3651 {
3652         struct snd_trident *trident = dev_id;
3653         unsigned int audio_int, chn_int, stimer, channel, mask, tmp;
3654         int delta;
3655         struct snd_trident_voice *voice;
3656
3657         audio_int = inl(TRID_REG(trident, T4D_MISCINT));
3658         if ((audio_int & (ADDRESS_IRQ|MPU401_IRQ)) == 0)
3659                 return IRQ_NONE;
3660         if (audio_int & ADDRESS_IRQ) {
3661                 // get interrupt status for all channels
3662                 spin_lock(&trident->reg_lock);
3663                 stimer = inl(TRID_REG(trident, T4D_STIMER)) & 0x00ffffff;
3664                 chn_int = inl(TRID_REG(trident, T4D_AINT_A));
3665                 if (chn_int == 0)
3666                         goto __skip1;
3667                 outl(chn_int, TRID_REG(trident, T4D_AINT_A));   /* ack */
3668               __skip1:
3669                 chn_int = inl(TRID_REG(trident, T4D_AINT_B));
3670                 if (chn_int == 0)
3671                         goto __skip2;
3672                 for (channel = 63; channel >= 32; channel--) {
3673                         mask = 1 << (channel&0x1f);
3674                         if ((chn_int & mask) == 0)
3675                                 continue;
3676                         voice = &trident->synth.voices[channel];
3677                         if (!voice->pcm || voice->substream == NULL) {
3678                                 outl(mask, TRID_REG(trident, T4D_STOP_B));
3679                                 continue;
3680                         }
3681                         delta = (int)stimer - (int)voice->stimer;
3682                         if (delta < 0)
3683                                 delta = -delta;
3684                         if ((unsigned int)delta < voice->spurious_threshold) {
3685                                 /* do some statistics here */
3686                                 trident->spurious_irq_count++;
3687                                 if (trident->spurious_irq_max_delta < (unsigned int)delta)
3688                                         trident->spurious_irq_max_delta = delta;
3689                                 continue;
3690                         }
3691                         voice->stimer = stimer;
3692                         if (voice->isync) {
3693                                 if (!voice->isync3) {
3694                                         tmp = inw(TRID_REG(trident, T4D_SBBL_SBCL));
3695                                         if (trident->bDMAStart & 0x40)
3696                                                 tmp >>= 1;
3697                                         if (tmp > 0)
3698                                                 tmp = voice->isync_max - tmp;
3699                                 } else {
3700                                         tmp = inl(TRID_REG(trident, NX_SPCTRL_SPCSO)) & 0x00ffffff;
3701                                 }
3702                                 if (tmp < voice->isync_mark) {
3703                                         if (tmp > 0x10)
3704                                                 tmp = voice->isync_ESO - 7;
3705                                         else
3706                                                 tmp = voice->isync_ESO + 2;
3707                                         /* update ESO for IRQ voice to preserve sync */
3708                                         snd_trident_stop_voice(trident, voice->number);
3709                                         snd_trident_write_eso_reg(trident, voice, tmp);
3710                                         snd_trident_start_voice(trident, voice->number);
3711                                 }
3712                         } else if (voice->isync2) {
3713                                 voice->isync2 = 0;
3714                                 /* write original ESO and update CSO for IRQ voice to preserve sync */
3715                                 snd_trident_stop_voice(trident, voice->number);
3716                                 snd_trident_write_cso_reg(trident, voice, voice->isync_mark);
3717                                 snd_trident_write_eso_reg(trident, voice, voice->ESO);
3718                                 snd_trident_start_voice(trident, voice->number);
3719                         }
3720 #if 0
3721                         if (voice->extra) {
3722                                 /* update CSO for extra voice to preserve sync */
3723                                 snd_trident_stop_voice(trident, voice->extra->number);
3724                                 snd_trident_write_cso_reg(trident, voice->extra, 0);
3725                                 snd_trident_start_voice(trident, voice->extra->number);
3726                         }
3727 #endif
3728                         spin_unlock(&trident->reg_lock);
3729                         snd_pcm_period_elapsed(voice->substream);
3730                         spin_lock(&trident->reg_lock);
3731                 }
3732                 outl(chn_int, TRID_REG(trident, T4D_AINT_B));   /* ack */
3733               __skip2:
3734                 spin_unlock(&trident->reg_lock);
3735         }
3736         if (audio_int & MPU401_IRQ) {
3737                 if (trident->rmidi) {
3738                         snd_mpu401_uart_interrupt(irq, trident->rmidi->private_data);
3739                 } else {
3740                         inb(TRID_REG(trident, T4D_MPUR0));
3741                 }
3742         }
3743         // outl((ST_TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW), TRID_REG(trident, T4D_MISCINT));
3744         return IRQ_HANDLED;
3745 }
3746
3747 struct snd_trident_voice *snd_trident_alloc_voice(struct snd_trident * trident, int type, int client, int port)
3748 {
3749         struct snd_trident_voice *pvoice;
3750         unsigned long flags;
3751         int idx;
3752
3753         spin_lock_irqsave(&trident->voice_alloc, flags);
3754         if (type == SNDRV_TRIDENT_VOICE_TYPE_PCM) {
3755                 idx = snd_trident_allocate_pcm_channel(trident);
3756                 if(idx < 0) {
3757                         spin_unlock_irqrestore(&trident->voice_alloc, flags);
3758                         return NULL;
3759                 }
3760                 pvoice = &trident->synth.voices[idx];
3761                 pvoice->use = 1;
3762                 pvoice->pcm = 1;
3763                 pvoice->capture = 0;
3764                 pvoice->spdif = 0;
3765                 pvoice->memblk = NULL;
3766                 pvoice->substream = NULL;
3767                 spin_unlock_irqrestore(&trident->voice_alloc, flags);
3768                 return pvoice;
3769         }
3770         if (type == SNDRV_TRIDENT_VOICE_TYPE_SYNTH) {
3771                 idx = snd_trident_allocate_synth_channel(trident);
3772                 if(idx < 0) {
3773                         spin_unlock_irqrestore(&trident->voice_alloc, flags);
3774                         return NULL;
3775                 }
3776                 pvoice = &trident->synth.voices[idx];
3777                 pvoice->use = 1;
3778                 pvoice->synth = 1;
3779                 pvoice->client = client;
3780                 pvoice->port = port;
3781                 pvoice->memblk = NULL;
3782                 spin_unlock_irqrestore(&trident->voice_alloc, flags);
3783                 return pvoice;
3784         }
3785         if (type == SNDRV_TRIDENT_VOICE_TYPE_MIDI) {
3786         }
3787         spin_unlock_irqrestore(&trident->voice_alloc, flags);
3788         return NULL;
3789 }
3790
3791 EXPORT_SYMBOL(snd_trident_alloc_voice);
3792
3793 void snd_trident_free_voice(struct snd_trident * trident, struct snd_trident_voice *voice)
3794 {
3795         unsigned long flags;
3796         void (*private_free)(struct snd_trident_voice *);
3797
3798         if (voice == NULL || !voice->use)
3799                 return;
3800         snd_trident_clear_voices(trident, voice->number, voice->number);
3801         spin_lock_irqsave(&trident->voice_alloc, flags);
3802         private_free = voice->private_free;
3803         voice->private_free = NULL;
3804         voice->private_data = NULL;
3805         if (voice->pcm)
3806                 snd_trident_free_pcm_channel(trident, voice->number);
3807         if (voice->synth)
3808                 snd_trident_free_synth_channel(trident, voice->number);
3809         voice->use = voice->pcm = voice->synth = voice->midi = 0;
3810         voice->capture = voice->spdif = 0;
3811         voice->sample_ops = NULL;
3812         voice->substream = NULL;
3813         voice->extra = NULL;
3814         spin_unlock_irqrestore(&trident->voice_alloc, flags);
3815         if (private_free)
3816                 private_free(voice);
3817 }
3818
3819 EXPORT_SYMBOL(snd_trident_free_voice);
3820
3821 static void snd_trident_clear_voices(struct snd_trident * trident, unsigned short v_min, unsigned short v_max)
3822 {
3823         unsigned int i, val, mask[2] = { 0, 0 };
3824
3825         if (snd_BUG_ON(v_min > 63 || v_max > 63))
3826                 return;
3827         for (i = v_min; i <= v_max; i++)
3828                 mask[i >> 5] |= 1 << (i & 0x1f);
3829         if (mask[0]) {
3830                 outl(mask[0], TRID_REG(trident, T4D_STOP_A));
3831                 val = inl(TRID_REG(trident, T4D_AINTEN_A));
3832                 outl(val & ~mask[0], TRID_REG(trident, T4D_AINTEN_A));
3833         }
3834         if (mask[1]) {
3835                 outl(mask[1], TRID_REG(trident, T4D_STOP_B));
3836                 val = inl(TRID_REG(trident, T4D_AINTEN_B));
3837                 outl(val & ~mask[1], TRID_REG(trident, T4D_AINTEN_B));
3838         }
3839 }
3840
3841 #ifdef CONFIG_PM_SLEEP
3842 static int snd_trident_suspend(struct device *dev)
3843 {
3844         struct snd_card *card = dev_get_drvdata(dev);
3845         struct snd_trident *trident = card->private_data;
3846
3847         trident->in_suspend = 1;
3848         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
3849         snd_ac97_suspend(trident->ac97);
3850         snd_ac97_suspend(trident->ac97_sec);
3851         return 0;
3852 }
3853
3854 static int snd_trident_resume(struct device *dev)
3855 {
3856         struct snd_card *card = dev_get_drvdata(dev);
3857         struct snd_trident *trident = card->private_data;
3858
3859         switch (trident->device) {
3860         case TRIDENT_DEVICE_ID_DX:
3861                 snd_trident_4d_dx_init(trident);
3862                 break;
3863         case TRIDENT_DEVICE_ID_NX:
3864                 snd_trident_4d_nx_init(trident);
3865                 break;
3866         case TRIDENT_DEVICE_ID_SI7018:
3867                 snd_trident_sis_init(trident);
3868                 break;
3869         }
3870
3871         snd_ac97_resume(trident->ac97);
3872         snd_ac97_resume(trident->ac97_sec);
3873
3874         /* restore some registers */
3875         outl(trident->musicvol_wavevol, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL));
3876
3877         snd_trident_enable_eso(trident);
3878
3879         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
3880         trident->in_suspend = 0;
3881         return 0;
3882 }
3883
3884 SIMPLE_DEV_PM_OPS(snd_trident_pm, snd_trident_suspend, snd_trident_resume);
3885 #endif /* CONFIG_PM_SLEEP */