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 #include "tina2.h"
  44
  45 #if 0
  46 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Creative Labs, Inc.");
  47 MODULE_DESCRIPTION("Routines for control of EMU10K1 chips");
  48 MODULE_LICENSE("GPL");
  49 #endif
  50
  51 /*************************************************************************
  52  * EMU10K1 init / done
  53  *************************************************************************/
  54
  55 void snd_emu10k1_voice_init(struct snd_emu10k1 * emu, int ch)
  56 {
  57         snd_emu10k1_ptr_write(emu, DCYSUSV, ch, 0);
  58         snd_emu10k1_ptr_write(emu, IP, ch, 0);
  59         snd_emu10k1_ptr_write(emu, VTFT, ch, 0xffff);
  60         snd_emu10k1_ptr_write(emu, CVCF, ch, 0xffff);
  61         snd_emu10k1_ptr_write(emu, PTRX, ch, 0);
  62         snd_emu10k1_ptr_write(emu, CPF, ch, 0);
  63         snd_emu10k1_ptr_write(emu, CCR, ch, 0);
  64
  65         snd_emu10k1_ptr_write(emu, PSST, ch, 0);
  66         snd_emu10k1_ptr_write(emu, DSL, ch, 0x10);
  67         snd_emu10k1_ptr_write(emu, CCCA, ch, 0);
  68         snd_emu10k1_ptr_write(emu, Z1, ch, 0);
  69         snd_emu10k1_ptr_write(emu, Z2, ch, 0);
  70         snd_emu10k1_ptr_write(emu, FXRT, ch, 0x32100000);
  71
  72         snd_emu10k1_ptr_write(emu, ATKHLDM, ch, 0);
  73         snd_emu10k1_ptr_write(emu, DCYSUSM, ch, 0);
  74         snd_emu10k1_ptr_write(emu, IFATN, ch, 0xffff);
  75         snd_emu10k1_ptr_write(emu, PEFE, ch, 0);
  76         snd_emu10k1_ptr_write(emu, FMMOD, ch, 0);
  77         snd_emu10k1_ptr_write(emu, TREMFRQ, ch, 24);    /* 1 Hz */
  78         snd_emu10k1_ptr_write(emu, FM2FRQ2, ch, 24);    /* 1 Hz */
  79         snd_emu10k1_ptr_write(emu, TEMPENV, ch, 0);
  80
  81         /*** these are last so OFF prevents writing ***/
  82         snd_emu10k1_ptr_write(emu, LFOVAL2, ch, 0);
  83         snd_emu10k1_ptr_write(emu, LFOVAL1, ch, 0);
  84         snd_emu10k1_ptr_write(emu, ATKHLDV, ch, 0);
  85         snd_emu10k1_ptr_write(emu, ENVVOL, ch, 0);
  86         snd_emu10k1_ptr_write(emu, ENVVAL, ch, 0);
  87
  88         /* Audigy extra stuffs */
  89         if (emu->audigy) {
  90                 snd_emu10k1_ptr_write(emu, 0x4c, ch, 0); /* ?? */
  91                 snd_emu10k1_ptr_write(emu, 0x4d, ch, 0); /* ?? */
  92                 snd_emu10k1_ptr_write(emu, 0x4e, ch, 0); /* ?? */
  93                 snd_emu10k1_ptr_write(emu, 0x4f, ch, 0); /* ?? */
  94                 snd_emu10k1_ptr_write(emu, A_FXRT1, ch, 0x03020100);
  95                 snd_emu10k1_ptr_write(emu, A_FXRT2, ch, 0x3f3f3f3f);
  96                 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, ch, 0);
  97         }
  98 }
  99
 100 static int __devinit snd_emu10k1_init(struct snd_emu10k1 * emu, int enable_ir)
 101 {
 102         int ch, idx, err;
 103         unsigned int silent_page;
 104
 105         emu->fx8010.itram_size = (16 * 1024)/2;
 106         emu->fx8010.etram_pages.area = NULL;
 107         emu->fx8010.etram_pages.bytes = 0;
 108
 109         /* disable audio and lock cache */
 110         outl(HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK | HCFG_MUTEBUTTONENABLE, emu->port + HCFG);
 111
 112         /* reset recording buffers */
 113         snd_emu10k1_ptr_write(emu, MICBS, 0, ADCBS_BUFSIZE_NONE);
 114         snd_emu10k1_ptr_write(emu, MICBA, 0, 0);
 115         snd_emu10k1_ptr_write(emu, FXBS, 0, ADCBS_BUFSIZE_NONE);
 116         snd_emu10k1_ptr_write(emu, FXBA, 0, 0);
 117         snd_emu10k1_ptr_write(emu, ADCBS, 0, ADCBS_BUFSIZE_NONE);
 118         snd_emu10k1_ptr_write(emu, ADCBA, 0, 0);
 119
 120         /* disable channel interrupt */
 121         outl(0, emu->port + INTE);
 122         snd_emu10k1_ptr_write(emu, CLIEL, 0, 0);
 123         snd_emu10k1_ptr_write(emu, CLIEH, 0, 0);
 124         snd_emu10k1_ptr_write(emu, SOLEL, 0, 0);
 125         snd_emu10k1_ptr_write(emu, SOLEH, 0, 0);
 126
 127         if (emu->audigy){
 128                 /* set SPDIF bypass mode */
 129                 snd_emu10k1_ptr_write(emu, SPBYPASS, 0, SPBYPASS_FORMAT);
 130                 /* enable rear left + rear right AC97 slots */
 131                 snd_emu10k1_ptr_write(emu, AC97SLOT, 0, AC97SLOT_REAR_RIGHT | AC97SLOT_REAR_LEFT);
 132         }
 133
 134         /* init envelope engine */
 135         for (ch = 0; ch < NUM_G; ch++) {
 136                 emu->voices[ch].emu = emu;
 137                 emu->voices[ch].number = ch;
 138                 snd_emu10k1_voice_init(emu, ch);
 139         }
 140
 141         /*
 142          *  Init to 0x02109204 :
 143          *  Clock accuracy    = 0     (1000ppm)
 144          *  Sample Rate       = 2     (48kHz)
 145          *  Audio Channel     = 1     (Left of 2)
 146          *  Source Number     = 0     (Unspecified)
 147          *  Generation Status = 1     (Original for Cat Code 12)
 148          *  Cat Code          = 12    (Digital Signal Mixer)
 149          *  Mode              = 0     (Mode 0)
 150          *  Emphasis          = 0     (None)
 151          *  CP                = 1     (Copyright unasserted)
 152          *  AN                = 0     (Audio data)
 153          *  P                 = 0     (Consumer)
 154          */
 155         snd_emu10k1_ptr_write(emu, SPCS0, 0,
 156                         emu->spdif_bits[0] =
 157                         SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
 158                         SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
 159                         SPCS_GENERATIONSTATUS | 0x00001200 |
 160                         0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
 161         snd_emu10k1_ptr_write(emu, SPCS1, 0,
 162                         emu->spdif_bits[1] =
 163                         SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
 164                         SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
 165                         SPCS_GENERATIONSTATUS | 0x00001200 |
 166                         0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
 167         snd_emu10k1_ptr_write(emu, SPCS2, 0,
 168                         emu->spdif_bits[2] =
 169                         SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
 170                         SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
 171                         SPCS_GENERATIONSTATUS | 0x00001200 |
 172                         0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
 173
 174         if (emu->card_capabilities->ca0151_chip) { /* audigy2 */
 175                 /* Hacks for Alice3 to work independent of haP16V driver */
 176                 u32 tmp;
 177
 178                 //Setup SRCMulti_I2S SamplingRate
 179                 tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, 0);
 180                 tmp &= 0xfffff1ff;
 181                 tmp |= (0x2<<9);
 182                 snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, 0, tmp);
 183
 184                 /* Setup SRCSel (Enable Spdif,I2S SRCMulti) */
 185                 snd_emu10k1_ptr20_write(emu, SRCSel, 0, 0x14);
 186                 /* Setup SRCMulti Input Audio Enable */
 187                 /* Use 0xFFFFFFFF to enable P16V sounds. */
 188                 snd_emu10k1_ptr20_write(emu, SRCMULTI_ENABLE, 0, 0xFFFFFFFF);
 189
 190                 /* Enabled Phased (8-channel) P16V playback */
 191                 outl(0x0201, emu->port + HCFG2);
 192                 /* Set playback routing. */
 193                 snd_emu10k1_ptr20_write(emu, CAPTURE_P16V_SOURCE, 0, 0x78e4);
 194         }
 195         if (emu->card_capabilities->ca0108_chip) { /* audigy2 Value */
 196                 /* Hacks for Alice3 to work independent of haP16V driver */
 197                 u32 tmp;
 198
 199                 snd_printk(KERN_ERR "Audigy2 value:Special config.\n");
 200                 //Setup SRCMulti_I2S SamplingRate
 201                 tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, 0);
 202                 tmp &= 0xfffff1ff;
 203                 tmp |= (0x2<<9);
 204                 snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, 0, tmp);
 205
 206                 /* Setup SRCSel (Enable Spdif,I2S SRCMulti) */
 207                 outl(0x600000, emu->port + 0x20);
 208                 outl(0x14, emu->port + 0x24);
 209
 210                 /* Setup SRCMulti Input Audio Enable */
 211                 outl(0x7b0000, emu->port + 0x20);
 212                 outl(0xFF000000, emu->port + 0x24);
 213
 214                 /* Setup SPDIF Out Audio Enable */
 215                 /* The Audigy 2 Value has a separate SPDIF out,
 216                  * so no need for a mixer switch
 217                  */
 218                 outl(0x7a0000, emu->port + 0x20);
 219                 outl(0xFF000000, emu->port + 0x24);
 220                 tmp = inl(emu->port + A_IOCFG) & ~0x8; /* Clear bit 3 */
 221                 outl(tmp, emu->port + A_IOCFG);
 222         }
 223
 224
 225         /*
 226          *  Clear page with silence & setup all pointers to this page
 227          */
 228         memset(emu->silent_page.area, 0, PAGE_SIZE);
 229         silent_page = emu->silent_page.addr << 1;
 230         for (idx = 0; idx < MAXPAGES; idx++)
 231                 ((u32 *)emu->ptb_pages.area)[idx] = cpu_to_le32(silent_page | idx);
 232         snd_emu10k1_ptr_write(emu, PTB, 0, emu->ptb_pages.addr);
 233         snd_emu10k1_ptr_write(emu, TCB, 0, 0);  /* taken from original driver */
 234         snd_emu10k1_ptr_write(emu, TCBS, 0, 4); /* taken from original driver */
 235
 236         silent_page = (emu->silent_page.addr << 1) | MAP_PTI_MASK;
 237         for (ch = 0; ch < NUM_G; ch++) {
 238                 snd_emu10k1_ptr_write(emu, MAPA, ch, silent_page);
 239                 snd_emu10k1_ptr_write(emu, MAPB, ch, silent_page);
 240         }
 241
 242         /*
 243          *  Hokay, setup HCFG
 244          *   Mute Disable Audio = 0
 245          *   Lock Tank Memory = 1
 246          *   Lock Sound Memory = 0
 247          *   Auto Mute = 1
 248          */
 249         if (emu->audigy) {
 250                 if (emu->revision == 4) /* audigy2 */
 251                         outl(HCFG_AUDIOENABLE |
 252                              HCFG_AC3ENABLE_CDSPDIF |
 253                              HCFG_AC3ENABLE_GPSPDIF |
 254                              HCFG_AUTOMUTE | HCFG_JOYENABLE, emu->port + HCFG);
 255                 else
 256                         outl(HCFG_AUTOMUTE | HCFG_JOYENABLE, emu->port + HCFG);
 257         /* FIXME: Remove all these emu->model and replace it with a card recognition parameter,
 258          * e.g. card_capabilities->joystick */
 259         } else if (emu->model == 0x20 ||
 260             emu->model == 0xc400 ||
 261             (emu->model == 0x21 && emu->revision < 6))
 262                 outl(HCFG_LOCKTANKCACHE_MASK | HCFG_AUTOMUTE, emu->port + HCFG);
 263         else
 264                 // With on-chip joystick
 265                 outl(HCFG_LOCKTANKCACHE_MASK | HCFG_AUTOMUTE | HCFG_JOYENABLE, emu->port + HCFG);
 266
 267         if (enable_ir) {        /* enable IR for SB Live */
 268                 if (emu->audigy) {
 269                         unsigned int reg = inl(emu->port + A_IOCFG);
 270                         outl(reg | A_IOCFG_GPOUT2, emu->port + A_IOCFG);
 271                         udelay(500);
 272                         outl(reg | A_IOCFG_GPOUT1 | A_IOCFG_GPOUT2, emu->port + A_IOCFG);
 273                         udelay(100);
 274                         outl(reg, emu->port + A_IOCFG);
 275                 } else {
 276                         unsigned int reg = inl(emu->port + HCFG);
 277                         outl(reg | HCFG_GPOUT2, emu->port + HCFG);
 278                         udelay(500);
 279                         outl(reg | HCFG_GPOUT1 | HCFG_GPOUT2, emu->port + HCFG);
 280                         udelay(100);
 281                         outl(reg, emu->port + HCFG);
 282                 }
 283         }
 284
 285         if (emu->audigy) {      /* enable analog output */
 286                 unsigned int reg = inl(emu->port + A_IOCFG);
 287                 outl(reg | A_IOCFG_GPOUT0, emu->port + A_IOCFG);
 288         }
 289
 290         /*
 291          *  Initialize the effect engine
 292          */
 293         if ((err = snd_emu10k1_init_efx(emu)) < 0)
 294                 return err;
 295
 296         /*
 297          *  Enable the audio bit
 298          */
 299         outl(inl(emu->port + HCFG) | HCFG_AUDIOENABLE, emu->port + HCFG);
 300
 301         /* Enable analog/digital outs on audigy */
 302         if (emu->audigy) {
 303                 outl(inl(emu->port + A_IOCFG) & ~0x44, emu->port + A_IOCFG);
 304
 305                 if (emu->card_capabilities->ca0151_chip) { /* audigy2 */
 306                         /* Unmute Analog now.  Set GPO6 to 1 for Apollo.
 307                          * This has to be done after init ALice3 I2SOut beyond 48KHz.
 308                          * So, sequence is important. */
 309                         outl(inl(emu->port + A_IOCFG) | 0x0040, emu->port + A_IOCFG);
 310                 } else if (emu->card_capabilities->ca0108_chip) { /* audigy2 value */
 311                         /* Unmute Analog now. */
 312                         outl(inl(emu->port + A_IOCFG) | 0x0060, emu->port + A_IOCFG);
 313                 } else {
 314                         /* Disable routing from AC97 line out to Front speakers */
 315                         outl(inl(emu->port + A_IOCFG) | 0x0080, emu->port + A_IOCFG);
 316                 }
 317         }
 318
 319 #if 0
 320         {
 321         unsigned int tmp;
 322         /* FIXME: the following routine disables LiveDrive-II !! */
 323         // TOSLink detection
 324         emu->tos_link = 0;
 325         tmp = inl(emu->port + HCFG);
 326         if (tmp & (HCFG_GPINPUT0 | HCFG_GPINPUT1)) {
 327                 outl(tmp|0x800, emu->port + HCFG);
 328                 udelay(50);
 329                 if (tmp != (inl(emu->port + HCFG) & ~0x800)) {
 330                         emu->tos_link = 1;
 331                         outl(tmp, emu->port + HCFG);
 332                 }
 333         }
 334         }
 335 #endif
 336
 337         snd_emu10k1_intr_enable(emu, INTE_PCIERRORENABLE);
 338
 339         emu->reserved_page = (struct snd_emu10k1_memblk *)snd_emu10k1_synth_alloc(emu, 4096);
 340         if (emu->reserved_page)
 341                 emu->reserved_page->map_locked = 1;
 342
 343         return 0;
 344 }
 345
 346 static int snd_emu10k1_done(struct snd_emu10k1 * emu)
 347 {
 348         int ch;
 349
 350         outl(0, emu->port + INTE);
 351
 352         /*
 353          *  Shutdown the chip
 354          */
 355         for (ch = 0; ch < NUM_G; ch++)
 356                 snd_emu10k1_ptr_write(emu, DCYSUSV, ch, 0);
 357         for (ch = 0; ch < NUM_G; ch++) {
 358                 snd_emu10k1_ptr_write(emu, VTFT, ch, 0);
 359                 snd_emu10k1_ptr_write(emu, CVCF, ch, 0);
 360                 snd_emu10k1_ptr_write(emu, PTRX, ch, 0);
 361                 snd_emu10k1_ptr_write(emu, CPF, ch, 0);
 362         }
 363
 364         /* reset recording buffers */
 365         snd_emu10k1_ptr_write(emu, MICBS, 0, 0);
 366         snd_emu10k1_ptr_write(emu, MICBA, 0, 0);
 367         snd_emu10k1_ptr_write(emu, FXBS, 0, 0);
 368         snd_emu10k1_ptr_write(emu, FXBA, 0, 0);
 369         snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 370         snd_emu10k1_ptr_write(emu, ADCBS, 0, ADCBS_BUFSIZE_NONE);
 371         snd_emu10k1_ptr_write(emu, ADCBA, 0, 0);
 372         snd_emu10k1_ptr_write(emu, TCBS, 0, TCBS_BUFFSIZE_16K);
 373         snd_emu10k1_ptr_write(emu, TCB, 0, 0);
 374         if (emu->audigy)
 375                 snd_emu10k1_ptr_write(emu, A_DBG, 0, A_DBG_SINGLE_STEP);
 376         else
 377                 snd_emu10k1_ptr_write(emu, DBG, 0, EMU10K1_DBG_SINGLE_STEP);
 378
 379         /* disable channel interrupt */
 380         snd_emu10k1_ptr_write(emu, CLIEL, 0, 0);
 381         snd_emu10k1_ptr_write(emu, CLIEH, 0, 0);
 382         snd_emu10k1_ptr_write(emu, SOLEL, 0, 0);
 383         snd_emu10k1_ptr_write(emu, SOLEH, 0, 0);
 384
 385         /* remove reserved page */
 386         if (emu->reserved_page != NULL) {
 387                 snd_emu10k1_synth_free(emu, (struct snd_util_memblk *)emu->reserved_page);
 388                 emu->reserved_page = NULL;
 389         }
 390
 391         /* disable audio and lock cache */
 392         outl(HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK | HCFG_MUTEBUTTONENABLE, emu->port + HCFG);
 393         snd_emu10k1_ptr_write(emu, PTB, 0, 0);
 394
 395         snd_emu10k1_free_efx(emu);
 396
 397         return 0;
 398 }
 399
 400 /*************************************************************************
 401  * ECARD functional implementation
 402  *************************************************************************/
 403
 404 /* In A1 Silicon, these bits are in the HC register */
 405 #define HOOKN_BIT               (1L << 12)
 406 #define HANDN_BIT               (1L << 11)
 407 #define PULSEN_BIT              (1L << 10)
 408
 409 #define EC_GDI1                 (1 << 13)
 410 #define EC_GDI0                 (1 << 14)
 411
 412 #define EC_NUM_CONTROL_BITS     20
 413
 414 #define EC_AC3_DATA_SELN        0x0001L
 415 #define EC_EE_DATA_SEL          0x0002L
 416 #define EC_EE_CNTRL_SELN        0x0004L
 417 #define EC_EECLK                0x0008L
 418 #define EC_EECS                 0x0010L
 419 #define EC_EESDO                0x0020L
 420 #define EC_TRIM_CSN             0x0040L
 421 #define EC_TRIM_SCLK            0x0080L
 422 #define EC_TRIM_SDATA           0x0100L
 423 #define EC_TRIM_MUTEN           0x0200L
 424 #define EC_ADCCAL               0x0400L
 425 #define EC_ADCRSTN              0x0800L
 426 #define EC_DACCAL               0x1000L
 427 #define EC_DACMUTEN             0x2000L
 428 #define EC_LEDN                 0x4000L
 429
 430 #define EC_SPDIF0_SEL_SHIFT     15
 431 #define EC_SPDIF1_SEL_SHIFT     17
 432 #define EC_SPDIF0_SEL_MASK      (0x3L << EC_SPDIF0_SEL_SHIFT)
 433 #define EC_SPDIF1_SEL_MASK      (0x7L << EC_SPDIF1_SEL_SHIFT)
 434 #define EC_SPDIF0_SELECT(_x)    (((_x) << EC_SPDIF0_SEL_SHIFT) & EC_SPDIF0_SEL_MASK)
 435 #define EC_SPDIF1_SELECT(_x)    (((_x) << EC_SPDIF1_SEL_SHIFT) & EC_SPDIF1_SEL_MASK)
 436 #define EC_CURRENT_PROM_VERSION 0x01    /* Self-explanatory.  This should
 437                                          * be incremented any time the EEPROM's
 438                                          * format is changed.  */
 439
 440 #define EC_EEPROM_SIZE          0x40    /* ECARD EEPROM has 64 16-bit words */
 441
 442 /* Addresses for special values stored in to EEPROM */
 443 #define EC_PROM_VERSION_ADDR    0x20    /* Address of the current prom version */
 444 #define EC_BOARDREV0_ADDR       0x21    /* LSW of board rev */
 445 #define EC_BOARDREV1_ADDR       0x22    /* MSW of board rev */
 446
 447 #define EC_LAST_PROMFILE_ADDR   0x2f
 448
 449 #define EC_SERIALNUM_ADDR       0x30    /* First word of serial number.  The
 450                                          * can be up to 30 characters in length
 451                                          * and is stored as a NULL-terminated
 452                                          * ASCII string.  Any unused bytes must be
 453                                          * filled with zeros */
 454 #define EC_CHECKSUM_ADDR        0x3f    /* Location at which checksum is stored */
 455
 456
 457 /* Most of this stuff is pretty self-evident.  According to the hardware
 458  * dudes, we need to leave the ADCCAL bit low in order to avoid a DC
 459  * offset problem.  Weird.
 460  */
 461 #define EC_RAW_RUN_MODE         (EC_DACMUTEN | EC_ADCRSTN | EC_TRIM_MUTEN | \
 462                                  EC_TRIM_CSN)
 463
 464
 465 #define EC_DEFAULT_ADC_GAIN     0xC4C4
 466 #define EC_DEFAULT_SPDIF0_SEL   0x0
 467 #define EC_DEFAULT_SPDIF1_SEL   0x4
 468
 469 /**************************************************************************
 470  * @func Clock bits into the Ecard's control latch.  The Ecard uses a
 471  *  control latch will is loaded bit-serially by toggling the Modem control
 472  *  lines from function 2 on the E8010.  This function hides these details
 473  *  and presents the illusion that we are actually writing to a distinct
 474  *  register.
 475  */
 476
 477 static void snd_emu10k1_ecard_write(struct snd_emu10k1 * emu, unsigned int value)
 478 {
 479         unsigned short count;
 480         unsigned int data;
 481         unsigned long hc_port;
 482         unsigned int hc_value;
 483
 484         hc_port = emu->port + HCFG;
 485         hc_value = inl(hc_port) & ~(HOOKN_BIT | HANDN_BIT | PULSEN_BIT);
 486         outl(hc_value, hc_port);
 487
 488         for (count = 0; count < EC_NUM_CONTROL_BITS; count++) {
 489
 490                 /* Set up the value */
 491                 data = ((value & 0x1) ? PULSEN_BIT : 0);
 492                 value >>= 1;
 493
 494                 outl(hc_value | data, hc_port);
 495
 496                 /* Clock the shift register */
 497                 outl(hc_value | data | HANDN_BIT, hc_port);
 498                 outl(hc_value | data, hc_port);
 499         }
 500
 501         /* Latch the bits */
 502         outl(hc_value | HOOKN_BIT, hc_port);
 503         outl(hc_value, hc_port);
 504 }
 505
 506 /**************************************************************************
 507  * @func Set the gain of the ECARD's CS3310 Trim/gain controller.  The
 508  * trim value consists of a 16bit value which is composed of two
 509  * 8 bit gain/trim values, one for the left channel and one for the
 510  * right channel.  The following table maps from the Gain/Attenuation
 511  * value in decibels into the corresponding bit pattern for a single
 512  * channel.
 513  */
 514
 515 static void snd_emu10k1_ecard_setadcgain(struct snd_emu10k1 * emu,
 516                                          unsigned short gain)
 517 {
 518         unsigned int bit;
 519
 520         /* Enable writing to the TRIM registers */
 521         snd_emu10k1_ecard_write(emu, emu->ecard_ctrl & ~EC_TRIM_CSN);
 522
 523         /* Do it again to insure that we meet hold time requirements */
 524         snd_emu10k1_ecard_write(emu, emu->ecard_ctrl & ~EC_TRIM_CSN);
 525
 526         for (bit = (1 << 15); bit; bit >>= 1) {
 527                 unsigned int value;
 528
 529                 value = emu->ecard_ctrl & ~(EC_TRIM_CSN | EC_TRIM_SDATA);
 530
 531                 if (gain & bit)
 532                         value |= EC_TRIM_SDATA;
 533
 534                 /* Clock the bit */
 535                 snd_emu10k1_ecard_write(emu, value);
 536                 snd_emu10k1_ecard_write(emu, value | EC_TRIM_SCLK);
 537                 snd_emu10k1_ecard_write(emu, value);
 538         }
 539
 540         snd_emu10k1_ecard_write(emu, emu->ecard_ctrl);
 541 }
 542
 543 static int __devinit snd_emu10k1_ecard_init(struct snd_emu10k1 * emu)
 544 {
 545         unsigned int hc_value;
 546
 547         /* Set up the initial settings */
 548         emu->ecard_ctrl = EC_RAW_RUN_MODE |
 549                           EC_SPDIF0_SELECT(EC_DEFAULT_SPDIF0_SEL) |
 550                           EC_SPDIF1_SELECT(EC_DEFAULT_SPDIF1_SEL);
 551
 552         /* Step 0: Set the codec type in the hardware control register
 553          * and enable audio output */
 554         hc_value = inl(emu->port + HCFG);
 555         outl(hc_value | HCFG_AUDIOENABLE | HCFG_CODECFORMAT_I2S, emu->port + HCFG);
 556         inl(emu->port + HCFG);
 557
 558         /* Step 1: Turn off the led and deassert TRIM_CS */
 559         snd_emu10k1_ecard_write(emu, EC_ADCCAL | EC_LEDN | EC_TRIM_CSN);
 560
 561         /* Step 2: Calibrate the ADC and DAC */
 562         snd_emu10k1_ecard_write(emu, EC_DACCAL | EC_LEDN | EC_TRIM_CSN);
 563
 564         /* Step 3: Wait for awhile;   XXX We can't get away with this
 565          * under a real operating system; we'll need to block and wait that
 566          * way. */
 567         snd_emu10k1_wait(emu, 48000);
 568
 569         /* Step 4: Switch off the DAC and ADC calibration.  Note
 570          * That ADC_CAL is actually an inverted signal, so we assert
 571          * it here to stop calibration.  */
 572         snd_emu10k1_ecard_write(emu, EC_ADCCAL | EC_LEDN | EC_TRIM_CSN);
 573
 574         /* Step 4: Switch into run mode */
 575         snd_emu10k1_ecard_write(emu, emu->ecard_ctrl);
 576
 577         /* Step 5: Set the analog input gain */
 578         snd_emu10k1_ecard_setadcgain(emu, EC_DEFAULT_ADC_GAIN);
 579
 580         return 0;
 581 }
 582
 583 static int __devinit snd_emu10k1_cardbus_init(struct snd_emu10k1 * emu)
 584 {
 585         unsigned long special_port;
 586         unsigned int value;
 587
 588         /* Special initialisation routine
 589          * before the rest of the IO-Ports become active.
 590          */
 591         special_port = emu->port + 0x38;
 592         value = inl(special_port);
 593         outl(0x00d00000, special_port);
 594         value = inl(special_port);
 595         outl(0x00d00001, special_port);
 596         value = inl(special_port);
 597         outl(0x00d0005f, special_port);
 598         value = inl(special_port);
 599         outl(0x00d0007f, special_port);
 600         value = inl(special_port);
 601         outl(0x0090007f, special_port);
 602         value = inl(special_port);
 603
 604         snd_emu10k1_ptr20_write(emu, TINA2_VOLUME, 0, 0xfefefefe); /* Defaults to 0x30303030 */
 605         return 0;
 606 }
 607
 608 /*
 609  *  Create the EMU10K1 instance
 610  */
 611
 612 static int snd_emu10k1_free(struct snd_emu10k1 *emu)
 613 {
 614         if (emu->port) {        /* avoid access to already used hardware */
 615                 snd_emu10k1_fx8010_tram_setup(emu, 0);
 616                 snd_emu10k1_done(emu);
 617         }
 618         if (emu->memhdr)
 619                 snd_util_memhdr_free(emu->memhdr);
 620         if (emu->silent_page.area)
 621                 snd_dma_free_pages(&emu->silent_page);
 622         if (emu->ptb_pages.area)
 623                 snd_dma_free_pages(&emu->ptb_pages);
 624         vfree(emu->page_ptr_table);
 625         vfree(emu->page_addr_table);
 626         if (emu->irq >= 0)
 627                 free_irq(emu->irq, (void *)emu);
 628         if (emu->port)
 629                 pci_release_regions(emu->pci);
 630         pci_disable_device(emu->pci);
 631         if (emu->card_capabilities->ca0151_chip) /* P16V */
 632                 snd_p16v_free(emu);
 633         kfree(emu);
 634         return 0;
 635 }
 636
 637 static int snd_emu10k1_dev_free(struct snd_device *device)
 638 {
 639         struct snd_emu10k1 *emu = device->device_data;
 640         return snd_emu10k1_free(emu);
 641 }
 642
 643 static struct snd_emu_chip_details emu_chip_details[] = {
 644         /* Audigy 2 Value AC3 out does not work yet. Need to find out how to turn off interpolators.*/
 645         /* Tested by James@superbug.co.uk 3rd July 2005 */
 646         {.vendor = 0x1102, .device = 0x0008, .subsystem = 0x10011102,
 647          .driver = "Audigy2", .name = "Audigy 2 Value [SB0400]",
 648          .id = "Audigy2",
 649          .emu10k2_chip = 1,
 650          .ca0108_chip = 1,
 651          .spk71 = 1,
 652          .ac97_chip = 1} ,
 653         /* Audigy 2 ZS Notebook Cardbus card.*/
 654         /* Tested by James@superbug.co.uk 30th October 2005 */
 655         /* Not working yet, but progressing. */
 656         {.vendor = 0x1102, .device = 0x0008, .subsystem = 0x20011102,
 657          .driver = "Audigy2", .name = "Audigy 2 ZS Notebook [SB0530]",
 658          .id = "Audigy2",
 659          .emu10k2_chip = 1,
 660          .ca0108_chip = 1,
 661          .ca_cardbus_chip = 1,
 662          .spk71 = 1} ,
 663         {.vendor = 0x1102, .device = 0x0008,
 664          .driver = "Audigy2", .name = "Audigy 2 Value [Unknown]",
 665          .id = "Audigy2",
 666          .emu10k2_chip = 1,
 667          .ca0108_chip = 1,
 668          .ac97_chip = 1} ,
 669         /* Tested by James@superbug.co.uk 8th July 2005. No sound available yet. */
 670         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x40011102,
 671          .driver = "Audigy2", .name = "E-mu 1212m [4001]",
 672          .id = "EMU1212m",
 673          .emu10k2_chip = 1,
 674          .ca0102_chip = 1,
 675          .ecard = 1} ,
 676         /* Tested by James@superbug.co.uk 3rd July 2005 */
 677         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x20071102,
 678          .driver = "Audigy2", .name = "Audigy 4 PRO [SB0380]",
 679          .id = "Audigy2",
 680          .emu10k2_chip = 1,
 681          .ca0102_chip = 1,
 682          .ca0151_chip = 1,
 683          .spk71 = 1,
 684          .spdif_bug = 1,
 685          .ac97_chip = 1} ,
 686         /* Tested by shane-alsa@cm.nu 5th Nov 2005 */
 687         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x20061102,
 688          .driver = "Audigy2", .name = "Audigy 2 [2006]",
 689          .id = "Audigy2",
 690          .emu10k2_chip = 1,
 691          .ca0102_chip = 1,
 692          .ca0151_chip = 1,
 693          .spk71 = 1,
 694          .spdif_bug = 1,
 695          .ac97_chip = 1} ,
 696         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x20021102,
 697          .driver = "Audigy2", .name = "Audigy 2 ZS [SB0350]",
 698          .id = "Audigy2",
 699          .emu10k2_chip = 1,
 700          .ca0102_chip = 1,
 701          .ca0151_chip = 1,
 702          .spk71 = 1,
 703          .spdif_bug = 1,
 704          .ac97_chip = 1} ,
 705         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x20011102,
 706          .driver = "Audigy2", .name = "Audigy 2 ZS [2001]",
 707          .id = "Audigy2",
 708          .emu10k2_chip = 1,
 709          .ca0102_chip = 1,
 710          .ca0151_chip = 1,
 711          .spk71 = 1,
 712          .spdif_bug = 1,
 713          .ac97_chip = 1} ,
 714         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x10071102,
 715          .driver = "Audigy2", .name = "Audigy 2 [SB0240]",
 716          .id = "Audigy2",
 717          .emu10k2_chip = 1,
 718          .ca0102_chip = 1,
 719          .ca0151_chip = 1,
 720          .spk71 = 1,
 721          .spdif_bug = 1,
 722          .ac97_chip = 1} ,
 723         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x10051102,
 724          .driver = "Audigy2", .name = "Audigy 2 EX [1005]",
 725          .id = "Audigy2",
 726          .emu10k2_chip = 1,
 727          .ca0102_chip = 1,
 728          .ca0151_chip = 1,
 729          .spk71 = 1,
 730          .spdif_bug = 1} ,
 731         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x10021102,
 732          .driver = "Audigy2", .name = "Audigy 2 Platinum [SB0240P]",
 733          .id = "Audigy2",
 734          .emu10k2_chip = 1,
 735          .ca0102_chip = 1,
 736          .ca0151_chip = 1,
 737          .spk71 = 1,
 738          .spdif_bug = 1,
 739          .ac97_chip = 1} ,
 740         {.vendor = 0x1102, .device = 0x0004, .revision = 0x04,
 741          .driver = "Audigy2", .name = "Audigy 2 [Unknown]",
 742          .id = "Audigy2",
 743          .emu10k2_chip = 1,
 744          .ca0102_chip = 1,
 745          .ca0151_chip = 1,
 746          .spdif_bug = 1,
 747          .ac97_chip = 1} ,
 748         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x00531102,
 749          .driver = "Audigy", .name = "Audigy 1 [SB0090]",
 750          .id = "Audigy",
 751          .emu10k2_chip = 1,
 752          .ca0102_chip = 1,
 753          .ac97_chip = 1} ,
 754         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x00521102,
 755          .driver = "Audigy", .name = "Audigy 1 ES [SB0160]",
 756          .id = "Audigy",
 757          .emu10k2_chip = 1,
 758          .ca0102_chip = 1,
 759          .spdif_bug = 1,
 760          .ac97_chip = 1} ,
 761         {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x00511102,
 762          .driver = "Audigy", .name = "Audigy 1 [SB0090]",
 763          .id = "Audigy",
 764          .emu10k2_chip = 1,
 765          .ca0102_chip = 1,
 766          .ac97_chip = 1} ,
 767         {.vendor = 0x1102, .device = 0x0004,
 768          .driver = "Audigy", .name = "Audigy 1 [Unknown]",
 769          .id = "Audigy",
 770          .emu10k2_chip = 1,
 771          .ca0102_chip = 1,
 772          .ac97_chip = 1} ,
 773         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x806B1102,
 774          .driver = "EMU10K1", .name = "SBLive! [SB0105]",
 775          .id = "Live",
 776          .emu10k1_chip = 1,
 777          .ac97_chip = 1,
 778          .sblive51 = 1} ,
 779         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x806A1102,
 780          .driver = "EMU10K1", .name = "SBLive! Value [SB0103]",
 781          .id = "Live",
 782          .emu10k1_chip = 1,
 783          .ac97_chip = 1,
 784          .sblive51 = 1} ,
 785         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80691102,
 786          .driver = "EMU10K1", .name = "SBLive! Value [SB0101]",
 787          .id = "Live",
 788          .emu10k1_chip = 1,
 789          .ac97_chip = 1,
 790          .sblive51 = 1} ,
 791         /* Tested by Thomas Zehetbauer 27th Aug 2005 */
 792         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80651102,
 793          .driver = "EMU10K1", .name = "SB Live 5.1 [SB0220]",
 794          .id = "Live",
 795          .emu10k1_chip = 1,
 796          .ac97_chip = 1,
 797          .sblive51 = 1} ,
 798         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80641102,
 799          .driver = "EMU10K1", .name = "SB Live 5.1",
 800          .id = "Live",
 801          .emu10k1_chip = 1,
 802          .ac97_chip = 1,
 803          .sblive51 = 1} ,
 804         /* Tested by alsa bugtrack user "hus" bug #1297 12th Aug 2005 */
 805         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80611102,
 806          .driver = "EMU10K1", .name = "SBLive 5.1 [SB0060]",
 807          .id = "Live",
 808          .emu10k1_chip = 1,
 809          .ac97_chip = 2, /* ac97 is optional; both SBLive 5.1 and platinum
 810                           * share the same IDs!
 811                           */
 812          .sblive51 = 1} ,
 813         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80511102,
 814          .driver = "EMU10K1", .name = "SBLive! Value [CT4850]",
 815          .id = "Live",
 816          .emu10k1_chip = 1,
 817          .ac97_chip = 1,
 818          .sblive51 = 1} ,
 819         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80401102,
 820          .driver = "EMU10K1", .name = "SBLive! Platinum [CT4760P]",
 821          .id = "Live",
 822          .emu10k1_chip = 1,
 823          .ac97_chip = 1} ,
 824         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80321102,
 825          .driver = "EMU10K1", .name = "SBLive! Value [CT4871]",
 826          .id = "Live",
 827          .emu10k1_chip = 1,
 828          .ac97_chip = 1,
 829          .sblive51 = 1} ,
 830         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80311102,
 831          .driver = "EMU10K1", .name = "SBLive! Value [CT4831]",
 832          .id = "Live",
 833          .emu10k1_chip = 1,
 834          .ac97_chip = 1,
 835          .sblive51 = 1} ,
 836         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80281102,
 837          .driver = "EMU10K1", .name = "SBLive! Value [CT4870]",
 838          .id = "Live",
 839          .emu10k1_chip = 1,
 840          .ac97_chip = 1,
 841          .sblive51 = 1} ,
 842         /* Tested by James@superbug.co.uk 3rd July 2005 */
 843         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80271102,
 844          .driver = "EMU10K1", .name = "SBLive! Value [CT4832]",
 845          .id = "Live",
 846          .emu10k1_chip = 1,
 847          .ac97_chip = 1,
 848          .sblive51 = 1} ,
 849         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80261102,
 850          .driver = "EMU10K1", .name = "SBLive! Value [CT4830]",
 851          .id = "Live",
 852          .emu10k1_chip = 1,
 853          .ac97_chip = 1,
 854          .sblive51 = 1} ,
 855         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80231102,
 856          .driver = "EMU10K1", .name = "SB PCI512 [CT4790]",
 857          .id = "Live",
 858          .emu10k1_chip = 1,
 859          .ac97_chip = 1,
 860          .sblive51 = 1} ,
 861         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x80221102,
 862          .driver = "EMU10K1", .name = "SBLive! Value [CT4780]",
 863          .id = "Live",
 864          .emu10k1_chip = 1,
 865          .ac97_chip = 1,
 866          .sblive51 = 1} ,
 867         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x40011102,
 868          .driver = "EMU10K1", .name = "E-mu APS [4001]",
 869          .id = "APS",
 870          .emu10k1_chip = 1,
 871          .ecard = 1} ,
 872         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x00211102,
 873          .driver = "EMU10K1", .name = "SBLive! [CT4620]",
 874          .id = "Live",
 875          .emu10k1_chip = 1,
 876          .ac97_chip = 1,
 877          .sblive51 = 1} ,
 878         {.vendor = 0x1102, .device = 0x0002, .subsystem = 0x00201102,
 879          .driver = "EMU10K1", .name = "SBLive! Value [CT4670]",
 880          .id = "Live",
 881          .emu10k1_chip = 1,
 882          .ac97_chip = 1,
 883          .sblive51 = 1} ,
 884         {.vendor = 0x1102, .device = 0x0002,
 885          .driver = "EMU10K1", .name = "SB Live [Unknown]",
 886          .id = "Live",
 887          .emu10k1_chip = 1,
 888          .ac97_chip = 1,
 889          .sblive51 = 1} ,
 890         { } /* terminator */
 891 };
 892
 893 int __devinit snd_emu10k1_create(struct snd_card *card,
 894                        struct pci_dev * pci,
 895                        unsigned short extin_mask,
 896                        unsigned short extout_mask,
 897                        long max_cache_bytes,
 898                        int enable_ir,
 899                        uint subsystem,
 900                        struct snd_emu10k1 ** remu)
 901 {
 902         struct snd_emu10k1 *emu;
 903         int err;
 904         int is_audigy;
 905         unsigned char revision;
 906         const struct snd_emu_chip_details *c;
 907         static struct snd_device_ops ops = {
 908                 .dev_free =     snd_emu10k1_dev_free,
 909         };
 910
 911         *remu = NULL;
 912
 913         /* enable PCI device */
 914         if ((err = pci_enable_device(pci)) < 0)
 915                 return err;
 916
 917         emu = kzalloc(sizeof(*emu), GFP_KERNEL);
 918         if (emu == NULL) {
 919                 pci_disable_device(pci);
 920                 return -ENOMEM;
 921         }
 922         emu->card = card;
 923         spin_lock_init(&emu->reg_lock);
 924         spin_lock_init(&emu->emu_lock);
 925         spin_lock_init(&emu->voice_lock);
 926         spin_lock_init(&emu->synth_lock);
 927         spin_lock_init(&emu->memblk_lock);
 928         init_MUTEX(&emu->ptb_lock);
 929         init_MUTEX(&emu->fx8010.lock);
 930         INIT_LIST_HEAD(&emu->mapped_link_head);
 931         INIT_LIST_HEAD(&emu->mapped_order_link_head);
 932         emu->pci = pci;
 933         emu->irq = -1;
 934         emu->synth = NULL;
 935         emu->get_synth_voice = NULL;
 936         /* read revision & serial */
 937         pci_read_config_byte(pci, PCI_REVISION_ID, &revision);
 938         emu->revision = revision;
 939         pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &emu->serial);
 940         pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &emu->model);
 941         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);
 942
 943         for (c = emu_chip_details; c->vendor; c++) {
 944                 if (c->vendor == pci->vendor && c->device == pci->device) {
 945                         if (subsystem) {
 946                                 if (c->subsystem && (c->subsystem == subsystem) ) {
 947                                         break;
 948                                 } else continue;
 949                         } else {
 950                                 if (c->subsystem && (c->subsystem != emu->serial) )
 951                                         continue;
 952                                 if (c->revision && c->revision != emu->revision)
 953                                         continue;
 954                         }
 955                         break;
 956                 }
 957         }
 958         if (c->vendor == 0) {
 959                 snd_printk(KERN_ERR "emu10k1: Card not recognised\n");
 960                 kfree(emu);
 961                 pci_disable_device(pci);
 962                 return -ENOENT;
 963         }
 964         emu->card_capabilities = c;
 965         if (c->subsystem && !subsystem)
 966                 snd_printdd("Sound card name=%s\n", c->name);
 967         else if (subsystem)
 968                 snd_printdd("Sound card name=%s, vendor=0x%x, device=0x%x, subsystem=0x%x. Forced to subsytem=0x%x\n",
 969                         c->name, pci->vendor, pci->device, emu->serial, c->subsystem);
 970         else
 971                 snd_printdd("Sound card name=%s, vendor=0x%x, device=0x%x, subsystem=0x%x.\n",
 972                         c->name, pci->vendor, pci->device, emu->serial);
 973
 974         if (!*card->id && c->id) {
 975                 int i, n = 0;
 976                 strlcpy(card->id, c->id, sizeof(card->id));
 977                 for (;;) {
 978                         for (i = 0; i < snd_ecards_limit; i++) {
 979                                 if (snd_cards[i] && !strcmp(snd_cards[i]->id, card->id))
 980                                         break;
 981                         }
 982                         if (i >= snd_ecards_limit)
 983                                 break;
 984                         n++;
 985                         if (n >= SNDRV_CARDS)
 986                                 break;
 987                         snprintf(card->id, sizeof(card->id), "%s_%d", c->id, n);
 988                 }
 989         }
 990
 991         is_audigy = emu->audigy = c->emu10k2_chip;
 992
 993         /* set the DMA transfer mask */
 994         emu->dma_mask = is_audigy ? AUDIGY_DMA_MASK : EMU10K1_DMA_MASK;
 995         if (pci_set_dma_mask(pci, emu->dma_mask) < 0 ||
 996             pci_set_consistent_dma_mask(pci, emu->dma_mask) < 0) {
 997                 snd_printk(KERN_ERR "architecture does not support PCI busmaster DMA with mask 0x%lx\n", emu->dma_mask);
 998                 kfree(emu);
 999                 pci_disable_device(pci);
1000                 return -ENXIO;
1001         }
1002         if (is_audigy)
1003                 emu->gpr_base = A_FXGPREGBASE;
1004         else
1005                 emu->gpr_base = FXGPREGBASE;
1006
1007         if ((err = pci_request_regions(pci, "EMU10K1")) < 0) {
1008                 kfree(emu);
1009                 pci_disable_device(pci);
1010                 return err;
1011         }
1012         emu->port = pci_resource_start(pci, 0);
1013
1014         if (request_irq(pci->irq, snd_emu10k1_interrupt, SA_INTERRUPT|SA_SHIRQ, "EMU10K1", (void *)emu)) {
1015                 snd_emu10k1_free(emu);
1016                 return -EBUSY;
1017         }
1018         emu->irq = pci->irq;
1019
1020         emu->max_cache_pages = max_cache_bytes >> PAGE_SHIFT;
1021         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1022                                 32 * 1024, &emu->ptb_pages) < 0) {
1023                 snd_emu10k1_free(emu);
1024                 return -ENOMEM;
1025         }
1026
1027         emu->page_ptr_table = (void **)vmalloc(emu->max_cache_pages * sizeof(void*));
1028         emu->page_addr_table = (unsigned long*)vmalloc(emu->max_cache_pages * sizeof(unsigned long));
1029         if (emu->page_ptr_table == NULL || emu->page_addr_table == NULL) {
1030                 snd_emu10k1_free(emu);
1031                 return -ENOMEM;
1032         }
1033
1034         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1035                                 EMUPAGESIZE, &emu->silent_page) < 0) {
1036                 snd_emu10k1_free(emu);
1037                 return -ENOMEM;
1038         }
1039         emu->memhdr = snd_util_memhdr_new(emu->max_cache_pages * PAGE_SIZE);
1040         if (emu->memhdr == NULL) {
1041                 snd_emu10k1_free(emu);
1042                 return -ENOMEM;
1043         }
1044         emu->memhdr->block_extra_size = sizeof(struct snd_emu10k1_memblk) -
1045                 sizeof(struct snd_util_memblk);
1046
1047         pci_set_master(pci);
1048
1049         emu->fx8010.fxbus_mask = 0x303f;
1050         if (extin_mask == 0)
1051                 extin_mask = 0x3fcf;
1052         if (extout_mask == 0)
1053                 extout_mask = 0x7fff;
1054         emu->fx8010.extin_mask = extin_mask;
1055         emu->fx8010.extout_mask = extout_mask;
1056
1057         if (emu->card_capabilities->ecard) {
1058                 if ((err = snd_emu10k1_ecard_init(emu)) < 0) {
1059                         snd_emu10k1_free(emu);
1060                         return err;
1061                 }
1062         } else if (emu->card_capabilities->ca_cardbus_chip) {
1063                 if ((err = snd_emu10k1_cardbus_init(emu)) < 0) {
1064                         snd_emu10k1_free(emu);
1065                         return err;
1066                 }
1067         } else {
1068                 /* 5.1: Enable the additional AC97 Slots. If the emu10k1 version
1069                         does not support this, it shouldn't do any harm */
1070                 snd_emu10k1_ptr_write(emu, AC97SLOT, 0, AC97SLOT_CNTR|AC97SLOT_LFE);
1071         }
1072
1073         if ((err = snd_emu10k1_init(emu, enable_ir)) < 0) {
1074                 snd_emu10k1_free(emu);
1075                 return err;
1076         }
1077
1078         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, emu, &ops)) < 0) {
1079                 snd_emu10k1_free(emu);
1080                 return err;
1081         }
1082
1083         snd_emu10k1_proc_init(emu);
1084
1085         snd_card_set_dev(card, &pci->dev);
1086         *remu = emu;
1087         return 0;
1088 }
1089
1090 /* memory.c */
1091 EXPORT_SYMBOL(snd_emu10k1_synth_alloc);
1092 EXPORT_SYMBOL(snd_emu10k1_synth_free);
1093 EXPORT_SYMBOL(snd_emu10k1_synth_bzero);
1094 EXPORT_SYMBOL(snd_emu10k1_synth_copy_from_user);
1095 EXPORT_SYMBOL(snd_emu10k1_memblk_map);
1096 /* voice.c */
1097 EXPORT_SYMBOL(snd_emu10k1_voice_alloc);
1098 EXPORT_SYMBOL(snd_emu10k1_voice_free);
1099 /* io.c */
1100 EXPORT_SYMBOL(snd_emu10k1_ptr_read);
1101 EXPORT_SYMBOL(snd_emu10k1_ptr_write);