git.oblomov.eu Git - linux-2.6/blob - sound/pci/emu10k1/emu10k1_main.c

   1 /*
   2  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
   3  *                   Creative Labs, Inc.
   4  *  Routines for control of EMU10K1 chips
   5  *
   6  *  Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
   7  *      Added support for Audigy 2 Value.
   8  *
   9  *
  10  *  BUGS:
  11  *    --
  12  *
  13  *  TODO:
  14  *    --
  15  *
  16  *   This program is free software; you can redistribute it and/or modify
  17  *   it under the terms of the GNU General Public License as published by
  18  *   the Free Software Foundation; either version 2 of the License, or
  19  *   (at your option) any later version.
  20  *
  21  *   This program is distributed in the hope that it will be useful,
  22  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  23  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24  *   GNU General Public License for more details.
  25  *
  26  *   You should have received a copy of the GNU General Public License
  27  *   along with this program; if not, write to the Free Software
  28  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  29  *
  30  */
  31
  32 #include <sound/driver.h>
  33 #include <linux/delay.h>
  34 #include <linux/init.h>
  35 #include <linux/interrupt.h>
  36 #include <linux/pci.h>
  37 #include <linux/slab.h>
  38 #include <linux/vmalloc.h>
  39
  40 #include <sound/core.h>
  41 #include <sound/emu10k1.h>
  42 #include "p16v.h"
  43
  44 #if 0
  45 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Creative Labs, Inc.");
  46 MODULE_DESCRIPTION("Routines for control of EMU10K1 chips");
  47 MODULE_LICENSE("GPL");
  48 #endif
  49
  50 /*************************************************************************
  51  * EMU10K1 init / done
  52  *************************************************************************/
  53
  54 void snd_emu10k1_voice_init(emu10k1_t * emu, int ch)
  55 {
  56         snd_emu10k1_ptr_write(emu, DCYSUSV, ch, 0);
  57         snd_emu10k1_ptr_write(emu, IP, ch, 0);
  58         snd_emu10k1_ptr_write(emu, VTFT, ch, 0xffff);
  59         snd_emu10k1_ptr_write(emu, CVCF, ch, 0xffff);
  60         snd_emu10k1_ptr_write(emu, PTRX, ch, 0);
  61         snd_emu10k1_ptr_write(emu, CPF, ch, 0);
  62         snd_emu10k1_ptr_write(emu, CCR, ch, 0);
  63
  64         snd_emu10k1_ptr_write(emu, PSST, ch, 0);
  65         snd_emu10k1_ptr_write(emu, DSL, ch, 0x10);
  66         snd_emu10k1_ptr_write(emu, CCCA, ch, 0);
  67         snd_emu10k1_ptr_write(emu, Z1, ch, 0);
  68         snd_emu10k1_ptr_write(emu, Z2, ch, 0);
  69         snd_emu10k1_ptr_write(emu, FXRT, ch, 0x32100000);
  70
  71         snd_emu10k1_ptr_write(emu, ATKHLDM, ch, 0);
  72         snd_emu10k1_ptr_write(emu, DCYSUSM, ch, 0);
  73         snd_emu10k1_ptr_write(emu, IFATN, ch, 0xffff);
  74         snd_emu10k1_ptr_write(emu, PEFE, ch, 0);
  75         snd_emu10k1_ptr_write(emu, FMMOD, ch, 0);
  76         snd_emu10k1_ptr_write(emu, TREMFRQ, ch, 24);    /* 1 Hz */
  77         snd_emu10k1_ptr_write(emu, FM2FRQ2, ch, 24);    /* 1 Hz */
  78         snd_emu10k1_ptr_write(emu, TEMPENV, ch, 0);
  79
  80         /*** these are last so OFF prevents writing ***/
  81         snd_emu10k1_ptr_write(emu, LFOVAL2, ch, 0);
  82         snd_emu10k1_ptr_write(emu, LFOVAL1, ch, 0);
  83         snd_emu10k1_ptr_write(emu, ATKHLDV, ch, 0);
  84         snd_emu10k1_ptr_write(emu, ENVVOL, ch, 0);
  85         snd_emu10k1_ptr_write(emu, ENVVAL, ch, 0);
  86
  87         /* Audigy extra stuffs */
  88         if (emu->audigy) {
  89                 snd_emu10k1_ptr_write(emu, 0x4c, ch, 0); /* ?? */
  90                 snd_emu10k1_ptr_write(emu, 0x4d, ch, 0); /* ?? */
  91                 snd_emu10k1_ptr_write(emu, 0x4e, ch, 0); /* ?? */
  92                 snd_emu10k1_ptr_write(emu, 0x4f, ch, 0); /* ?? */
  93                 snd_emu10k1_ptr_write(emu, A_FXRT1, ch, 0x03020100);
  94                 snd_emu10k1_ptr_write(emu, A_FXRT2, ch, 0x3f3f3f3f);
  95                 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, ch, 0);
  96         }
  97 }
  98
  99 static int __devinit snd_emu10k1_init(emu10k1_t * emu, int enable_ir)
 100 {
 101         int ch, idx, err;
 102         unsigned int silent_page;
 103
 104         emu->fx8010.itram_size = (16 * 1024)/2;
 105         emu->fx8010.etram_pages.area = NULL;
 106         emu->fx8010.etram_pages.bytes = 0;
 107
 108         /* disable audio and lock cache */
 109         outl(HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK | HCFG_MUTEBUTTONENABLE, emu->port + HCFG);
 110
 111         /* reset recording buffers */
 112         snd_emu10k1_ptr_write(emu, MICBS, 0, ADCBS_BUFSIZE_NONE);
 113         snd_emu10k1_ptr_write(emu, MICBA, 0, 0);
 114         snd_emu10k1_ptr_write(emu, FXBS, 0, ADCBS_BUFSIZE_NONE);
 115         snd_emu10k1_ptr_write(emu, FXBA, 0, 0);
 116         snd_emu10k1_ptr_write(emu, ADCBS, 0, ADCBS_BUFSIZE_NONE);
 117         snd_emu10k1_ptr_write(emu, ADCBA, 0, 0);
 118
 119         /* disable channel interrupt */
 120         outl(0, emu->port + INTE);
 121         snd_emu10k1_ptr_write(emu, CLIEL, 0, 0);
 122         snd_emu10k1_ptr_write(emu, CLIEH, 0, 0);
 123         snd_emu10k1_ptr_write(emu, SOLEL, 0, 0);
 124         snd_emu10k1_ptr_write(emu, SOLEH, 0, 0);
 125
 126         if (emu->audigy){
 127                 /* set SPDIF bypass mode */
 128                 snd_emu10k1_ptr_write(emu, SPBYPASS, 0, SPBYPASS_FORMAT);
 129                 /* enable rear left + rear right AC97 slots */
 130                 snd_emu10k1_ptr_write(emu, AC97SLOT, 0, AC97SLOT_REAR_RIGHT | AC97SLOT_REAR_LEFT);
 131         }
 132
 133         /* init envelope engine */
 134         for (ch = 0; ch < NUM_G; ch++) {
 135                 emu->voices[ch].emu = emu;
 136                 emu->voices[ch].number = ch;
 137                 snd_emu10k1_voice_init(emu, ch);
 138         }
 139
 140         /*
 141          *  Init to 0x02109204 :
 142          *  Clock accuracy    = 0     (1000ppm)
 143          *  Sample Rate       = 2     (48kHz)
 144          *  Audio Channel     = 1     (Left of 2)
 145          *  Source Number     = 0     (Unspecified)
 146          *  Generation Status = 1     (Original for Cat Code 12)
 147          *  Cat Code          = 12    (Digital Signal Mixer)
 148          *  Mode              = 0     (Mode 0)
 149          *  Emphasis          = 0     (None)
 150          *  CP                = 1     (Copyright unasserted)
 151          *  AN                = 0     (Audio data)
 152          *  P                 = 0     (Consumer)
 153          */
 154         snd_emu10k1_ptr_write(emu, SPCS0, 0,
 155                         emu->spdif_bits[0] =
 156                         SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
 157                         SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
 158                         SPCS_GENERATIONSTATUS | 0x00001200 |
 159                         0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
 160         snd_emu10k1_ptr_write(emu, SPCS1, 0,
 161                         emu->spdif_bits[1] =
 162                         SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
 163                         SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
 164                         SPCS_GENERATIONSTATUS | 0x00001200 |
 165                         0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
 166         snd_emu10k1_ptr_write(emu, SPCS2, 0,
 167                         emu->spdif_bits[2] =
 168                         SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
 169                         SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
 170                         SPCS_GENERATIONSTATUS | 0x00001200 |
 171                         0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
 172
 173         if (emu->card_capabilities->ca0151_chip) { /* audigy2 */
 174                 /* Hacks for Alice3 to work independent of haP16V driver */
 175                 u32 tmp;
 176
 177                 //Setup SRCMulti_I2S SamplingRate
 178                 tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, 0);
 179                 tmp &= 0xfffff1ff;
 180                 tmp |= (0x2<<9);
 181                 snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, 0, tmp);
 182
 183                 /* Setup SRCSel (Enable Spdif,I2S SRCMulti) */
 184                 snd_emu10k1_ptr20_write(emu, SRCSel, 0, 0x14);
 185                 /* Setup SRCMulti Input Audio Enable */
 186                 /* Use 0xFFFFFFFF to enable P16V sounds. */
 187                 snd_emu10k1_ptr20_write(emu, SRCMULTI_ENABLE, 0, 0xFFFFFFFF);
 188
 189                 /* Enabled Phased (8-channel) P16V playback */
 190                 outl(0x0201, emu->port + HCFG2);
 191                 /* Set playback routing. */
 192                 snd_emu10k1_ptr20_write(emu, CAPTURE_P16V_SOURCE, 0, 0x78e4);
 193         }
 194         if (emu->card_capabilities->ca0108_chip) { /* audigy2 Value */
 195                 /* Hacks for Alice3 to work independent of haP16V driver */
 196                 u32 tmp;
 197
 198                 snd_printk(KERN_ERR "Audigy2 value:Special config.\n");
 199                 //Setup SRCMulti_I2S SamplingRate
 200                 tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, 0);
 201                 tmp &= 0xfffff1ff;
 202                 tmp |= (0x2<<9);
 203                 snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, 0, tmp);
 204
 205                 /* Setup SRCSel (Enable Spdif,I2S SRCMulti) */
 206                 outl(0x600000, emu->port + 0x20);
 207                 outl(0x14, emu->port + 0x24);
 208
 209                 /* Setup SRCMulti Input Audio Enable */
 210                 outl(0x7b0000, emu->port + 0x20);
 211                 outl(0xFF000000, emu->port + 0x24);
 212
 213                 /* Setup SPDIF Out Audio Enable */
 214                 /* The Audigy 2 Value has a separate SPDIF out,
 215                  * so no need for a mixer switch
 216                  */
 217                 outl(0x7a0000, emu->port + 0x20);
 218                 outl(0xFF000000, emu->port + 0x24);
 219                 tmp = inl(emu->port + A_IOCFG) & ~0x8; /* Clear bit 3 */
 220                 outl(tmp, emu->port + A_IOCFG);
 221         }
 222
 223
 224         /*
 225          *  Clear page with silence & setup all pointers to this page
 226          */
 227         memset(emu->silent_page.area, 0, PAGE_SIZE);
 228         silent_page = emu->silent_page.addr << 1;
 229         for (idx = 0; idx < MAXPAGES; idx++)
 230                 ((u32 *)emu->ptb_pages.area)[idx] = cpu_to_le32(silent_page | idx);
 231         snd_emu10k1_ptr_write(emu, PTB, 0, emu->ptb_pages.addr);
 232         snd_emu10k1_ptr_write(emu, TCB, 0, 0);  /* taken from original driver */
 233         snd_emu10k1_ptr_write(emu, TCBS, 0, 4); /* taken from original driver */
 234
 235         silent_page = (emu->silent_page.addr << 1) | MAP_PTI_MASK;
 236         for (ch = 0; ch < NUM_G; ch++) {
 237                 snd_emu10k1_ptr_write(emu, MAPA, ch, silent_page);
 238                 snd_emu10k1_ptr_write(emu, MAPB, ch, silent_page);
 239         }
 240
 241         /*
 242          *  Hokay, setup HCFG
 243          *   Mute Disable Audio = 0
 244          *   Lock Tank Memory = 1
 245          *   Lock Sound Memory = 0
 246          *   Auto Mute = 1
 247          */
 248         if (emu->audigy) {
 249                 if (emu->revision == 4) /* audigy2 */
 250                         outl(HCFG_AUDIOENABLE |
 251                              HCFG_AC3ENABLE_CDSPDIF |
 252                              HCFG_AC3ENABLE_GPSPDIF |
 253                              HCFG_AUTOMUTE | HCFG_JOYENABLE, emu->port + HCFG);
 254                 else
 255                         outl(HCFG_AUTOMUTE | HCFG_JOYENABLE, emu->port + HCFG);
 256         /* FIXME: Remove all these emu->model and replace it with a card recognition parameter,
 257          * e.g. card_capabilities->joystick */
 258         } else if (emu->model == 0x20 ||
 259             emu->model == 0xc400 ||
 260             (emu->model == 0x21 && emu->revision < 6))
 261                 outl(HCFG_LOCKTANKCACHE_MASK | HCFG_AUTOMUTE, emu->port + HCFG);
 262         else
 263                 // With on-chip joystick
 264                 outl(HCFG_LOCKTANKCACHE_MASK | HCFG_AUTOMUTE | HCFG_JOYENABLE, emu->port + HCFG);
 265
 266         if (enable_ir) {        /* enable IR for SB Live */
 267                 if (emu->audigy) {
 268                         unsigned int reg = inl(emu->port + A_IOCFG);
 269                         outl(reg | A_IOCFG_GPOUT2, emu->port + A_IOCFG);
 270                         udelay(500);
 271                         outl(reg | A_IOCFG_GPOUT1 | A_IOCFG_GPOUT2, emu->port + A_IOCFG);
 272                         udelay(100);
 273                         outl(reg, emu->port + A_IOCFG);
 274                 } else {
 275                         unsigned int reg = inl(emu->port + HCFG);
 276                         outl(reg | HCFG_GPOUT2, emu->port + HCFG);
 277                         udelay(500);
 278                         outl(reg | HCFG_GPOUT1 | HCFG_GPOUT2, emu->port + HCFG);
 279                         udelay(100);
 280                         outl(reg, emu->port + HCFG);
 281                 }
 282         }
 283
 284         if (emu->audigy) {      /* enable analog output */
 285                 unsigned int reg = inl(emu->port + A_IOCFG);
 286                 outl(reg | A_IOCFG_GPOUT0, emu->port + A_IOCFG);
 287         }
 288
 289         /*
 290          *  Initialize the effect engine
 291          */
 292         if ((err = snd_emu10k1_init_efx(emu)) < 0)
 293                 return err;
 294
 295         /*
 296          *  Enable the audio bit
 297          */
 298         outl(inl(emu->port + HCFG) | HCFG_AUDIOENABLE, emu->port + HCFG);
 299
 300         /* Enable analog/digital outs on audigy */
 301         if (emu->audigy) {
 302                 outl(inl(emu->port + A_IOCFG) & ~0x44, emu->port + A_IOCFG);
 303
 304                 if (emu->card_capabilities->ca0151_chip) { /* audigy2 */
 305                         /* Unmute Analog now.  Set GPO6 to 1 for Apollo.
 306                          * This has to be done after init ALice3 I2SOut beyond 48KHz.
 307                          * So, sequence is important. */
 308                         outl(inl(emu->port + A_IOCFG) | 0x0040, emu->port + A_IOCFG);
 309                 } else if (emu->card_capabilities->ca0108_chip) { /* audigy2 value */
 310                         /* Unmute Analog now. */
 311                         outl(inl(emu->port + A_IOCFG) | 0x0060, emu->port + A_IOCFG);
 312                 } else {
 313                         /* Disable routing from AC97 line out to Front speakers */
 314                         outl(inl(emu->port + A_IOCFG) | 0x0080, emu->port + A_IOCFG);
 315                 }
 316         }
 317
 318 #if 0
 319         {
 320         unsigned int tmp;
 321         /* FIXME: the following routine disables LiveDrive-II !! */
 322         // TOSLink detection
 323         emu->tos_link = 0;
 324         tmp = inl(emu->port + HCFG);
 325         if (tmp & (HCFG_GPINPUT0 | HCFG_GPINPUT1)) {
 326                 outl(tmp|0x800, emu->port + HCFG);
 327                 udelay(50);
 328                 if (tmp != (inl(emu->port + HCFG) & ~0x800)) {
 329                         emu->tos_link = 1;
 330                         outl(tmp, emu->port + HCFG);
 331                 }
 332         }
 333         }
 334 #endif
 335
 336         snd_emu10k1_intr_enable(emu, INTE_PCIERRORENABLE);
 337
 338         emu->reserved_page = (emu10k1_memblk_t *)snd_emu10k1_synth_alloc(emu, 4096);
 339         if (emu->reserved_page)
 340                 emu->reserved_page->map_locked = 1;
 341
 342         return 0;
 343 }
 344
 345 static int snd_emu10k1_done(emu10k1_t * emu)
 346 {
 347         int ch;
 348
 349         outl(0, emu->port + INTE);
 350
 351         /*
 352          *  Shutdown the chip
 353          */
 354         for (ch = 0; ch < NUM_G; ch++)
 355                 snd_emu10k1_ptr_write(emu, DCYSUSV, ch, 0);
 356         for (ch = 0; ch < NUM_G; ch++) {
 357                 snd_emu10k1_ptr_write(emu, VTFT, ch, 0);
 358                 snd_emu10k1_ptr_write(emu, CVCF, ch, 0);
 359                 snd_emu10k1_ptr_write(emu, PTRX, ch, 0);
 360                 snd_emu10k1_ptr_write(emu, CPF, ch, 0);
 361         }
 362
 363         /* reset recording buffers */
 364         snd_emu10k1_ptr_write(emu, MICBS, 0, 0);
 365         snd_emu10k1_ptr_write(emu, MICBA, 0, 0);
 366         snd_emu10k1_ptr_write(emu, FXBS, 0, 0);
 367         snd_emu10k1_ptr_write(emu, FXBA, 0, 0);
 368         snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 369         snd_emu10k1_ptr_write(emu, ADCBS, 0, ADCBS_BUFSIZE_NONE);
 370         snd_emu10k1_ptr_write(emu, ADCBA, 0, 0);
 371         snd_emu10k1_ptr_write(emu, TCBS, 0, TCBS_BUFFSIZE_16K);
 372         snd_emu10k1_ptr_write(emu, TCB, 0, 0);
 373         if (emu->audigy)
 374                 snd_emu10k1_ptr_write(emu, A_DBG, 0, A_DBG_SINGLE_STEP);
 375         else
 376                 snd_emu10k1_ptr_write(emu, DBG, 0, EMU10K1_DBG_SINGLE_STEP);
 377
 378         /* disable channel interrupt */
 379         snd_emu10k1_ptr_write(emu, CLIEL, 0, 0);
 380         snd_emu10k1_ptr_write(emu, CLIEH, 0, 0);
 381         snd_emu10k1_ptr_write(emu, SOLEL, 0, 0);
 382         snd_emu10k1_ptr_write(emu, SOLEH, 0, 0);
 383
 384         /* remove reserved page */
 385         if (emu->reserved_page != NULL) {
 386                 snd_emu10k1_synth_free(emu, (snd_util_memblk_t *)emu->reserved_page);
 387                 emu->reserved_page = NULL;
 388         }
 389
 390         /* disable audio and lock cache */
 391         outl(HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK | HCFG_MUTEBUTTONENABLE, emu->port + HCFG);
 392         snd_emu10k1_ptr_write(emu, PTB, 0, 0);
 393
 394         snd_emu10k1_free_efx(emu);
 395
 396         return 0;
 397 }
 398
 399 /*************************************************************************
 400  * ECARD functional implementation
 401  *************************************************************************/
 402
 403 /* In A1 Silicon, these bits are in the HC register */
 404 #define HOOKN_BIT               (1L << 12)
 405 #define HANDN_BIT               (1L << 11)
 406 #define PULSEN_BIT              (1L << 10)
 407
 408 #define EC_GDI1                 (1 << 13)
 409 #define EC_GDI0                 (1 << 14)
 410
 411 #define EC_NUM_CONTROL_BITS     20
 412
 413 #define EC_AC3_DATA_SELN        0x0001L
 414 #define EC_EE_DATA_SEL          0x0002L
 415 #define EC_EE_CNTRL_SELN        0x0004L
 416 #define EC_EECLK                0x0008L
 417 #define EC_EECS                 0x0010L
 418 #define EC_EESDO                0x0020L
 419 #define EC_TRIM_CSN             0x0040L
 420 #define EC_TRIM_SCLK            0x0080L
 421 #define EC_TRIM_SDATA           0x0100L
 422 #define EC_TRIM_MUTEN           0x0200L
 423 #define EC_ADCCAL               0x0400L
 424 #define EC_ADCRSTN              0x0800L
 425 #define EC_DACCAL               0x1000L
 426 #define EC_DACMUTEN             0x2000L
 427 #define EC_LEDN                 0x4000L
 428
 429 #define EC_SPDIF0_SEL_SHIFT     15
 430 #define EC_SPDIF1_SEL_SHIFT     17
 431 #define EC_SPDIF0_SEL_MASK      (0x3L << EC_SPDIF0_SEL_SHIFT)
 432 #define EC_SPDIF1_SEL_MASK      (0x7L << EC_SPDIF1_SEL_SHIFT)
 433 #define EC_SPDIF0_SELECT(_x)    (((_x) << EC_SPDIF0_SEL_SHIFT) & EC_SPDIF0_SEL_MASK)
 434 #define EC_SPDIF1_SELECT(_x)    (((_x) << EC_SPDIF1_SEL_SHIFT) & EC_SPDIF1_SEL_MASK)
 435 #define EC_CURRENT_PROM_VERSION 0x01    /* Self-explanatory.  This should
 436                                          * be incremented any time the EEPROM's
 437                                          * format is changed.  */
 438
 439 #define EC_EEPROM_SIZE          0x40    /* ECARD EEPROM has 64 16-bit words */
 440
 441 /* Addresses for special values stored in to EEPROM */
 442 #define EC_PROM_VERSION_ADDR    0x20    /* Address of the current prom version */
 443 #define EC_BOARDREV0_ADDR       0x21    /* LSW of board rev */
 444 #define EC_BOARDREV1_ADDR       0x22    /* MSW of board rev */
 445
 446 #define EC_LAST_PROMFILE_ADDR   0x2f
 447
 448 #define EC_SERIALNUM_ADDR       0x30    /* First word of serial number.  The
 449                                          * can be up to 30 characters in length
 450                                          * and is stored as a NULL-terminated
 451                                          * ASCII string.  Any unused bytes must be
 452                                          * filled with zeros */
 453 #define EC_CHECKSUM_ADDR        0x3f    /* Location at which checksum is stored */
 454
 455
 456 /* Most of this stuff is pretty self-evident.  According to the hardware
 457  * dudes, we need to leave the ADCCAL bit low in order to avoid a DC
 458  * offset problem.  Weird.
 459  */
 460 #define EC_RAW_RUN_MODE         (EC_DACMUTEN | EC_ADCRSTN | EC_TRIM_MUTEN | \
 461                                  EC_TRIM_CSN)
 462
 463
 464 #define EC_DEFAULT_ADC_GAIN     0xC4C4
 465 #define EC_DEFAULT_SPDIF0_SEL   0x0
 466 #define EC_DEFAULT_SPDIF1_SEL   0x4
 467
 468 /**************************************************************************
 469  * @func Clock bits into the Ecard's control latch.  The Ecard uses a
 470  *  control latch will is loaded bit-serially by toggling the Modem control
 471  *  lines from function 2 on the E8010.  This function hides these details
 472  *  and presents the illusion that we are actually writing to a distinct
 473  *  register.
 474  */
 475
 476 static void snd_emu10k1_ecard_write(emu10k1_t * emu, unsigned int value)
 477 {
 478         unsigned short count;
 479         unsigned int data;
 480         unsigned long hc_port;
 481         unsigned int hc_value;
 482
 483         hc_port = emu->port + HCFG;
 484         hc_value = inl(hc_port) & ~(HOOKN_BIT | HANDN_BIT | PULSEN_BIT);
 485         outl(hc_value, hc_port);
 486
 487         for (count = 0; count < EC_NUM_CONTROL_BITS; count++) {
 488
 489                 /* Set up the value */
 490                 data = ((value & 0x1) ? PULSEN_BIT : 0);
 491                 value >>= 1;
 492
 493                 outl(hc_value | data, hc_port);
 494
 495                 /* Clock the shift register */
 496                 outl(hc_value | data | HANDN_BIT, hc_port);
 497                 outl(hc_value | data, hc_port);
 498         }
 499
 500         /* Latch the bits */
 501         outl(hc_value | HOOKN_BIT, hc_port);
 502         outl(hc_value, hc_port);
 503 }
 504
 505 /**************************************************************************
 506  * @func Set the gain of the ECARD's CS3310 Trim/gain controller.  The
 507  * trim value consists of a 16bit value which is composed of two
 508  * 8 bit gain/trim values, one for the left channel and one for the
 509  * right channel.  The following table maps from the Gain/Attenuation
 510  * value in decibels into the corresponding bit pattern for a single
 511  * channel.
 512  */
 513
 514 static void snd_emu10k1_ecard_setadcgain(emu10k1_t * emu,
 515                                          unsigned short gain)
 516 {
 517         unsigned int bit;
 518
 519         /* Enable writing to the TRIM registers */
 520         snd_emu10k1_ecard_write(emu, emu->ecard_ctrl & ~EC_TRIM_CSN);
 521
 522         /* Do it again to insure that we meet hold time requirements */
 523         snd_emu10k1_ecard_write(emu, emu->ecard_ctrl & ~EC_TRIM_CSN);
 524
 525         for (bit = (1 << 15); bit; bit >>= 1) {
 526                 unsigned int value;
 527
 528                 value = emu->ecard_ctrl & ~(EC_TRIM_CSN | EC_TRIM_SDATA);
 529
 530                 if (gain & bit)
 531                         value |= EC_TRIM_SDATA;
 532
 533                 /* Clock the bit */
 534                 snd_emu10k1_ecard_write(emu, value);
 535                 snd_emu10k1_ecard_write(emu, value | EC_TRIM_SCLK);
 536                 snd_emu10k1_ecard_write(emu, value);
 537         }
 538
 539         snd_emu10k1_ecard_write(emu, emu->ecard_ctrl);
 540 }
 541
 542 static int __devinit snd_emu10k1_ecard_init(emu10k1_t * emu)
 543 {
 544         unsigned int hc_value;
 545
 546         /* Set up the initial settings */
 547         emu->ecard_ctrl = EC_RAW_RUN_MODE |
 548                           EC_SPDIF0_SELECT(EC_DEFAULT_SPDIF0_SEL) |
 549                           EC_SPDIF1_SELECT(EC_DEFAULT_SPDIF1_SEL);
 550
 551         /* Step 0: Set the codec type in the hardware control register
 552          * and enable audio output */
 553         hc_value = inl(emu->port + HCFG);
 554         outl(hc_value | HCFG_AUDIOENABLE | HCFG_CODECFORMAT_I2S, emu->port + HCFG);
 555         inl(emu->port + HCFG);
 556
 557         /* Step 1: Turn off the led and deassert TRIM_CS */
 558         snd_emu10k1_ecard_write(emu, EC_ADCCAL | EC_LEDN | EC_TRIM_CSN);
 559
 560         /* Step 2: Calibrate the ADC and DAC */
 561         snd_emu10k1_ecard_write(emu, EC_DACCAL | EC_LEDN | EC_TRIM_CSN);
 562
 563         /* Step 3: Wait for awhile;   XXX We can't get away with this
 564          * under a real operating system; we'll need to block and wait that
 565          * way. */
 566         snd_emu10k1_wait(emu, 48000);
 567
 568         /* Step 4: Switch off the DAC and ADC calibration.  Note
 569          * That ADC_CAL is actually an inverted signal, so we assert
 570          * it here to stop calibration.  */
 571         snd_emu10k1_ecard_write(emu, EC_ADCCAL | EC_LEDN | EC_TRIM_CSN);
 572
 573         /* Step 4: Switch into run mode */
 574         snd_emu10k1_ecard_write(emu, emu->ecard_ctrl);
 575
 576         /* Step 5: Set the analog input gain */
 577         snd_emu10k1_ecard_setadcgain(emu, EC_DEFAULT_ADC_GAIN);
 578
 579         return 0;
 580 }
 581
 582 /*
 583  *  Create the EMU10K1 instance
 584  */
 585
 586 static int snd_emu10k1_free(emu10k1_t *emu)
 587 {
 588         if (emu->port) {        /* avoid access to already used hardware */
 589                 snd_emu10k1_fx8010_tram_setup(emu, 0);
 590                 snd_emu10k1_done(emu);
 591         }
 592         if (emu->memhdr)
 593                 snd_util_memhdr_free(emu->memhdr);
 594         if (emu->silent_page.area)
 595                 snd_dma_free_pages(&emu->silent_page);
 596         if (emu->ptb_pages.area)
 597                 snd_dma_free_pages(&emu->ptb_pages);
 598         vfree(emu->page_ptr_table);
 599         vfree(emu->page_addr_table);
 600         if (emu->irq >= 0)
 601                 free_irq(emu->irq, (void *)emu);
 602         if (emu->port)
 603                 pci_release_regions(emu->pci);
 604         pci_disable_device(emu->pci);
 605         if (emu->card_capabilities->ca0151_chip) /* P16V */
 606                 snd_p16v_free(emu);
 607         kfree(emu);
 608         return 0;
 609 }
 610
 611 static int snd_emu10k1_dev_free(snd_device_t *device)
 612 {
 613         emu10k1_t *emu = device->device_data;
 614         return snd_emu10k1_free(emu);
 615 }
 616
 617 static emu_chip_details_t emu_chip_details[] = {
 618         /* Audigy 2 Value AC3 out does not work yet. Need to find out how to turn off interpolators.*/
 619         {.vendor = 0x1102, .device = 0x0008, .subsystem = 0x10011102,
 620          .driver = "Audigy2", .name = "Audigy 2 Value [SB0400]",
 621          .id = "Audigy2",
 622          .emu10k2_chip = 1,
 623          .ca0108_chip = 1,
 624          .spk71 = 1,
 625          .ac97_chip = 1} ,
 626         {.vendor = 0x1102, .device = 0x0008,
 627          .driver = "Audigy2", .name = "Audigy 2 Value [Unknown]",
 628          .id = "Audigy2",
 629          .emu10k2_chip = 1,
 630          .ca0108_chip = 1,
 631          .ac97_chip = 1} ,
 632         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x20071102,
 633          .driver = "Audigy2", .name = "Audigy 4 PRO [SB0380]",
 634          .id = "Audigy2",
 635          .emu10k2_chip = 1,
 636          .ca0102_chip = 1,
 637          .ca0151_chip = 1,
 638          .spk71 = 1,
 639          .spdif_bug = 1,
 640          .ac97_chip = 1} ,
 641         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x20021102,
 642          .driver = "Audigy2", .name = "Audigy 2 ZS [SB0350]",
 643          .id = "Audigy2",
 644          .emu10k2_chip = 1,
 645          .ca0102_chip = 1,
 646          .ca0151_chip = 1,
 647          .spk71 = 1,
 648          .spdif_bug = 1,
 649          .ac97_chip = 1} ,
 650         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x20011102,
 651          .driver = "Audigy2", .name = "Audigy 2 ZS [2001]",
 652          .id = "Audigy2",
 653          .emu10k2_chip = 1,
 654          .ca0102_chip = 1,
 655          .ca0151_chip = 1,
 656          .spk71 = 1,
 657          .spdif_bug = 1,
 658          .ac97_chip = 1} ,
 659         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x10071102,
 660          .driver = "Audigy2", .name = "Audigy 2 [SB0240]",
 661          .id = "Audigy2",
 662          .emu10k2_chip = 1,
 663          .ca0102_chip = 1,
 664          .ca0151_chip = 1,
 665          .spk71 = 1,
 666          .spdif_bug = 1,
 667          .ac97_chip = 1} ,
 668         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x10051102,
 669          .driver = "Audigy2", .name = "Audigy 2 EX [1005]",
 670          .id = "Audigy2",
 671          .emu10k2_chip = 1,
 672          .ca0102_chip = 1,
 673          .ca0151_chip = 1,
 674          .spdif_bug = 1} ,
 675         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x10021102,
 676          .driver = "Audigy2", .name = "Audigy 2 Platinum [SB0240P]",
 677          .id = "Audigy2",
 678          .emu10k2_chip = 1,
 679          .ca0102_chip = 1,
 680          .ca0151_chip = 1,
 681          .spk71 = 1,
 682          .spdif_bug = 1,
 683          .ac97_chip = 1} ,
 684         {.vendor = 0x1102, .device = 0x0004, .revision = 0x04,
 685          .driver = "Audigy2", .name = "Audigy 2 [Unknown]",
 686          .id = "Audigy2",
 687          .emu10k2_chip = 1,
 688          .ca0102_chip = 1,
 689          .ca0151_chip = 1,
 690          .spdif_bug = 1,
 691          .ac97_chip = 1} ,
 692         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x10020052,
 693          .driver = "Audigy", .name = "Audigy 1 ES [SB0160]",
 694          .id = "Audigy",
 695          .emu10k2_chip = 1,
 696          .ca0102_chip = 1,
 697          .spdif_bug = 1,
 698          .ac97_chip = 1} ,
 699         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x00531102,
 700          .driver = "Audigy", .name = "Audigy 1 [SB0090]",
 701          .id = "Audigy",
 702          .emu10k2_chip = 1,
 703          .ca0102_chip = 1,
 704          .ac97_chip = 1} ,
 705         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x00511102,
 706          .driver = "Audigy", .name = "Audigy 1 [SB0090]",
 707          .id = "Audigy",
 708          .emu10k2_chip = 1,
 709          .ca0102_chip = 1,
 710          .ac97_chip = 1} ,
 711         {.vendor = 0x1102, .device = 0x0004,
 712          .driver = "Audigy", .name = "Audigy 1 [Unknown]",
 713          .id = "Audigy",
 714          .emu10k2_chip = 1,
 715          .ca0102_chip = 1,
 716          .ac97_chip = 1} ,
 717         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x806B1102,
 718          .driver = "EMU10K1", .name = "SBLive! [SB0105]",
 719          .id = "Live",
 720          .emu10k1_chip = 1,
 721          .ac97_chip = 1,
 722          .sblive51 = 1} ,
 723         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x806A1102,
 724          .driver = "EMU10K1", .name = "SBLive! Value [SB0103]",
 725          .id = "Live",
 726          .emu10k1_chip = 1,
 727          .ac97_chip = 1,
 728          .sblive51 = 1} ,
 729         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80691102,
 730          .driver = "EMU10K1", .name = "SBLive! Value [SB0101]",
 731          .id = "Live",
 732          .emu10k1_chip = 1,
 733          .ac97_chip = 1,
 734          .sblive51 = 1} ,
 735         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80641102,
 736          .driver = "EMU10K1", .name = "SB Live 5.1",
 737          .id = "Live",
 738          .emu10k1_chip = 1,
 739          .ac97_chip = 1,
 740          .sblive51 = 1} ,
 741         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80611102,
 742          .driver = "EMU10K1", .name = "SBLive! Player 5.1 [SB0060]",
 743          .id = "Live",
 744          .emu10k1_chip = 1,
 745          .ac97_chip = 1,
 746          .sblive51 = 1} ,
 747         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80511102,
 748          .driver = "EMU10K1", .name = "SBLive! Value [CT4850]",
 749          .id = "Live",
 750          .emu10k1_chip = 1,
 751          .ac97_chip = 1,
 752          .sblive51 = 1} ,
 753         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80401102,
 754          .driver = "EMU10K1", .name = "SBLive! Platinum [CT4760P]",
 755          .id = "Live",
 756          .emu10k1_chip = 1,
 757          .ac97_chip = 1} ,
 758         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80321102,
 759          .driver = "EMU10K1", .name = "SBLive! Value [CT4871]",
 760          .id = "Live",
 761          .emu10k1_chip = 1,
 762          .ac97_chip = 1,
 763          .sblive51 = 1} ,
 764         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80311102,
 765          .driver = "EMU10K1", .name = "SBLive! Value [CT4831]",
 766          .id = "Live",
 767          .emu10k1_chip = 1,
 768          .ac97_chip = 1,
 769          .sblive51 = 1} ,
 770         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80281102,
 771          .driver = "EMU10K1", .name = "SBLive! Value [CT4870]",
 772          .id = "Live",
 773          .emu10k1_chip = 1,
 774          .ac97_chip = 1,
 775          .sblive51 = 1} ,
 776         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80271102,
 777          .driver = "EMU10K1", .name = "SBLive! Value [CT4832]",
 778          .id = "Live",
 779          .emu10k1_chip = 1,
 780          .ac97_chip = 1,
 781          .sblive51 = 1} ,
 782         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80261102,
 783          .driver = "EMU10K1", .name = "SBLive! Value [CT4830]",
 784          .id = "Live",
 785          .emu10k1_chip = 1,
 786          .ac97_chip = 1,
 787          .sblive51 = 1} ,
 788         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80231102,
 789          .driver = "EMU10K1", .name = "SB PCI512 [CT4790]",
 790          .id = "Live",
 791          .emu10k1_chip = 1,
 792          .ac97_chip = 1,
 793          .sblive51 = 1} ,
 794         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80221102,
 795          .driver = "EMU10K1", .name = "SBLive! Value [CT4780]",
 796          .id = "Live",
 797          .emu10k1_chip = 1,
 798          .ac97_chip = 1,
 799          .sblive51 = 1} ,
 800         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x40011102,
 801          .driver = "EMU10K1", .name = "E-mu APS [4001]",
 802          .id = "APS",
 803          .emu10k1_chip = 1,
 804          .ecard = 1} ,
 805         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x00211102,
 806          .driver = "EMU10K1", .name = "SBLive! [CT4620]",
 807          .id = "Live",
 808          .emu10k1_chip = 1,
 809          .ac97_chip = 1,
 810          .sblive51 = 1} ,
 811         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x00201102,
 812          .driver = "EMU10K1", .name = "SBLive! Value [CT4670]",
 813          .id = "Live",
 814          .emu10k1_chip = 1,
 815          .ac97_chip = 1,
 816          .sblive51 = 1} ,
 817         {.vendor = 0x1102, .device = 0x0002,
 818          .driver = "EMU10K1", .name = "SB Live [Unknown]",
 819          .id = "Live",
 820          .emu10k1_chip = 1,
 821          .ac97_chip = 1,
 822          .sblive51 = 1} ,
 823         { } /* terminator */
 824 };
 825
 826 int __devinit snd_emu10k1_create(snd_card_t * card,
 827                        struct pci_dev * pci,
 828                        unsigned short extin_mask,
 829                        unsigned short extout_mask,
 830                        long max_cache_bytes,
 831                        int enable_ir,
 832                        emu10k1_t ** remu)
 833 {
 834         emu10k1_t *emu;
 835         int err;
 836         int is_audigy;
 837         unsigned char revision;
 838         const emu_chip_details_t *c;
 839         static snd_device_ops_t ops = {
 840                 .dev_free =     snd_emu10k1_dev_free,
 841         };
 842
 843         *remu = NULL;
 844
 845         /* enable PCI device */
 846         if ((err = pci_enable_device(pci)) < 0)
 847                 return err;
 848
 849         emu = kcalloc(1, sizeof(*emu), GFP_KERNEL);
 850         if (emu == NULL) {
 851                 pci_disable_device(pci);
 852                 return -ENOMEM;
 853         }
 854         emu->card = card;
 855         spin_lock_init(&emu->reg_lock);
 856         spin_lock_init(&emu->emu_lock);
 857         spin_lock_init(&emu->voice_lock);
 858         spin_lock_init(&emu->synth_lock);
 859         spin_lock_init(&emu->memblk_lock);
 860         init_MUTEX(&emu->ptb_lock);
 861         init_MUTEX(&emu->fx8010.lock);
 862         INIT_LIST_HEAD(&emu->mapped_link_head);
 863         INIT_LIST_HEAD(&emu->mapped_order_link_head);
 864         emu->pci = pci;
 865         emu->irq = -1;
 866         emu->synth = NULL;
 867         emu->get_synth_voice = NULL;
 868         /* read revision & serial */
 869         pci_read_config_byte(pci, PCI_REVISION_ID, &revision);
 870         emu->revision = revision;
 871         pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &emu->serial);
 872         pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &emu->model);
 873         snd_printdd("vendor=0x%x, device=0x%x, subsystem_vendor_id=0x%x, subsystem_id=0x%x\n",pci->vendor, pci->device, emu->serial, emu->model);
 874
 875         for (c = emu_chip_details; c->vendor; c++) {
 876                 if (c->vendor == pci->vendor && c->device == pci->device) {
 877                         if (c->subsystem && c->subsystem != emu->serial)
 878                                 continue;
 879                         if (c->revision && c->revision != emu->revision)
 880                                 continue;
 881                         break;
 882                 }
 883         }
 884         if (c->vendor == 0) {
 885                 snd_printk(KERN_ERR "emu10k1: Card not recognised\n");
 886                 kfree(emu);
 887                 pci_disable_device(pci);
 888                 return -ENOENT;
 889         }
 890         emu->card_capabilities = c;
 891         if (c->subsystem != 0)
 892                 snd_printdd("Sound card name=%s\n", c->name);
 893         else
 894                 snd_printdd("Sound card name=%s, vendor=0x%x, device=0x%x, subsystem=0x%x\n", c->name, pci->vendor, pci->device, emu->serial);
 895
 896         if (!*card->id && c->id) {
 897                 int i, n = 0;
 898                 strlcpy(card->id, c->id, sizeof(card->id));
 899                 for (;;) {
 900                         for (i = 0; i < snd_ecards_limit; i++) {
 901                                 if (snd_cards[i] && !strcmp(snd_cards[i]->id, card->id))
 902                                         break;
 903                         }
 904                         if (i >= snd_ecards_limit)
 905                                 break;
 906                         n++;
 907                         if (n >= SNDRV_CARDS)
 908                                 break;
 909                         snprintf(card->id, sizeof(card->id), "%s_%d", c->id, n);
 910                 }
 911         }
 912
 913         is_audigy = emu->audigy = c->emu10k2_chip;
 914
 915         /* set the DMA transfer mask */
 916         emu->dma_mask = is_audigy ? AUDIGY_DMA_MASK : EMU10K1_DMA_MASK;
 917         if (pci_set_dma_mask(pci, emu->dma_mask) < 0 ||
 918             pci_set_consistent_dma_mask(pci, emu->dma_mask) < 0) {
 919                 snd_printk(KERN_ERR "architecture does not support PCI busmaster DMA with mask 0x%lx\n", emu->dma_mask);
 920                 kfree(emu);
 921                 pci_disable_device(pci);
 922                 return -ENXIO;
 923         }
 924         if (is_audigy)
 925                 emu->gpr_base = A_FXGPREGBASE;
 926         else
 927                 emu->gpr_base = FXGPREGBASE;
 928
 929         if ((err = pci_request_regions(pci, "EMU10K1")) < 0) {
 930                 kfree(emu);
 931                 pci_disable_device(pci);
 932                 return err;
 933         }
 934         emu->port = pci_resource_start(pci, 0);
 935
 936         if (request_irq(pci->irq, snd_emu10k1_interrupt, SA_INTERRUPT|SA_SHIRQ, "EMU10K1", (void *)emu)) {
 937                 snd_emu10k1_free(emu);
 938                 return -EBUSY;
 939         }
 940         emu->irq = pci->irq;
 941
 942         emu->max_cache_pages = max_cache_bytes >> PAGE_SHIFT;
 943         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
 944                                 32 * 1024, &emu->ptb_pages) < 0) {
 945                 snd_emu10k1_free(emu);
 946                 return -ENOMEM;
 947         }
 948
 949         emu->page_ptr_table = (void **)vmalloc(emu->max_cache_pages * sizeof(void*));
 950         emu->page_addr_table = (unsigned long*)vmalloc(emu->max_cache_pages * sizeof(unsigned long));
 951         if (emu->page_ptr_table == NULL || emu->page_addr_table == NULL) {
 952                 snd_emu10k1_free(emu);
 953                 return -ENOMEM;
 954         }
 955
 956         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
 957                                 EMUPAGESIZE, &emu->silent_page) < 0) {
 958                 snd_emu10k1_free(emu);
 959                 return -ENOMEM;
 960         }
 961         emu->memhdr = snd_util_memhdr_new(emu->max_cache_pages * PAGE_SIZE);
 962         if (emu->memhdr == NULL) {
 963                 snd_emu10k1_free(emu);
 964                 return -ENOMEM;
 965         }
 966         emu->memhdr->block_extra_size = sizeof(emu10k1_memblk_t) - sizeof(snd_util_memblk_t);
 967
 968         pci_set_master(pci);
 969
 970         emu->fx8010.fxbus_mask = 0x303f;
 971         if (extin_mask == 0)
 972                 extin_mask = 0x3fcf;
 973         if (extout_mask == 0)
 974                 extout_mask = 0x7fff;
 975         emu->fx8010.extin_mask = extin_mask;
 976         emu->fx8010.extout_mask = extout_mask;
 977
 978         if (emu->card_capabilities->ecard) {
 979                 if ((err = snd_emu10k1_ecard_init(emu)) < 0) {
 980                         snd_emu10k1_free(emu);
 981                         return err;
 982                 }
 983         } else {
 984                 /* 5.1: Enable the additional AC97 Slots. If the emu10k1 version
 985                         does not support this, it shouldn't do any harm */
 986                 snd_emu10k1_ptr_write(emu, AC97SLOT, 0, AC97SLOT_CNTR|AC97SLOT_LFE);
 987         }
 988
 989         if ((err = snd_emu10k1_init(emu, enable_ir)) < 0) {
 990                 snd_emu10k1_free(emu);
 991                 return err;
 992         }
 993
 994         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, emu, &ops)) < 0) {
 995                 snd_emu10k1_free(emu);
 996                 return err;
 997         }
 998
 999         snd_emu10k1_proc_init(emu);
1000
1001         snd_card_set_dev(card, &pci->dev);
1002         *remu = emu;
1003         return 0;
1004 }
1005
1006 /* memory.c */
1007 EXPORT_SYMBOL(snd_emu10k1_synth_alloc);
1008 EXPORT_SYMBOL(snd_emu10k1_synth_free);
1009 EXPORT_SYMBOL(snd_emu10k1_synth_bzero);
1010 EXPORT_SYMBOL(snd_emu10k1_synth_copy_from_user);
1011 EXPORT_SYMBOL(snd_emu10k1_memblk_map);
1012 /* voice.c */
1013 EXPORT_SYMBOL(snd_emu10k1_voice_alloc);
1014 EXPORT_SYMBOL(snd_emu10k1_voice_free);
1015 /* io.c */
1016 EXPORT_SYMBOL(snd_emu10k1_ptr_read);
1017 EXPORT_SYMBOL(snd_emu10k1_ptr_write);