git.oblomov.eu Git - linux-2.6/blob - sound/oss/sonicvibes.c

   1 /*****************************************************************************/
   2
   3 /*
   4  *      sonicvibes.c  --  S3 Sonic Vibes audio driver.
   5  *
   6  *      Copyright (C) 1998-2001, 2003  Thomas Sailer (t.sailer@alumni.ethz.ch)
   7  *
   8  *      This program is free software; you can redistribute it and/or modify
   9  *      it under the terms of the GNU General Public License as published by
  10  *      the Free Software Foundation; either version 2 of the License, or
  11  *      (at your option) any later version.
  12  *
  13  *      This program is distributed in the hope that it will be useful,
  14  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *      GNU General Public License for more details.
  17  *
  18  *      You should have received a copy of the GNU General Public License
  19  *      along with this program; if not, write to the Free Software
  20  *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  *
  22  * Special thanks to David C. Niemi
  23  *
  24  *
  25  * Module command line parameters:
  26  *   none so far
  27  *
  28  *
  29  *  Supported devices:
  30  *  /dev/dsp    standard /dev/dsp device, (mostly) OSS compatible
  31  *  /dev/mixer  standard /dev/mixer device, (mostly) OSS compatible
  32  *  /dev/midi   simple MIDI UART interface, no ioctl
  33  *
  34  *  The card has both an FM and a Wavetable synth, but I have to figure
  35  *  out first how to drive them...
  36  *
  37  *  Revision history
  38  *    06.05.1998   0.1   Initial release
  39  *    10.05.1998   0.2   Fixed many bugs, esp. ADC rate calculation
  40  *                       First stab at a simple midi interface (no bells&whistles)
  41  *    13.05.1998   0.3   Fix stupid cut&paste error: set_adc_rate was called instead of
  42  *                       set_dac_rate in the FMODE_WRITE case in sv_open
  43  *                       Fix hwptr out of bounds (now mpg123 works)
  44  *    14.05.1998   0.4   Don't allow excessive interrupt rates
  45  *    08.06.1998   0.5   First release using Alan Cox' soundcore instead of miscdevice
  46  *    03.08.1998   0.6   Do not include modversions.h
  47  *                       Now mixer behaviour can basically be selected between
  48  *                       "OSS documented" and "OSS actual" behaviour
  49  *    31.08.1998   0.7   Fix realplayer problems - dac.count issues
  50  *    10.12.1998   0.8   Fix drain_dac trying to wait on not yet initialized DMA
  51  *    16.12.1998   0.9   Fix a few f_file & FMODE_ bugs
  52  *    06.01.1999   0.10  remove the silly SA_INTERRUPT flag.
  53  *                       hopefully killed the egcs section type conflict
  54  *    12.03.1999   0.11  cinfo.blocks should be reset after GETxPTR ioctl.
  55  *                       reported by Johan Maes <joma@telindus.be>
  56  *    22.03.1999   0.12  return EAGAIN instead of EBUSY when O_NONBLOCK
  57  *                       read/write cannot be executed
  58  *    05.04.1999   0.13  added code to sv_read and sv_write which should detect
  59  *                       lockups of the sound chip and revive it. This is basically
  60  *                       an ugly hack, but at least applications using this driver
  61  *                       won't hang forever. I don't know why these lockups happen,
  62  *                       it might well be the motherboard chipset (an early 486 PCI
  63  *                       board with ALI chipset), since every busmastering 100MB
  64  *                       ethernet card I've tried (Realtek 8139 and Macronix tulip clone)
  65  *                       exhibit similar behaviour (they work for a couple of packets
  66  *                       and then lock up and can be revived by ifconfig down/up).
  67  *    07.04.1999   0.14  implemented the following ioctl's: SOUND_PCM_READ_RATE,
  68  *                       SOUND_PCM_READ_CHANNELS, SOUND_PCM_READ_BITS;
  69  *                       Alpha fixes reported by Peter Jones <pjones@redhat.com>
  70  *                       Note: dmaio hack might still be wrong on archs other than i386
  71  *    15.06.1999   0.15  Fix bad allocation bug.
  72  *                       Thanks to Deti Fliegl <fliegl@in.tum.de>
  73  *    28.06.1999   0.16  Add pci_set_master
  74  *    03.08.1999   0.17  adapt to Linus' new __setup/__initcall
  75  *                       added kernel command line options "sonicvibes=reverb" and "sonicvibesdmaio=dmaioaddr"
  76  *    12.08.1999   0.18  module_init/__setup fixes
  77  *    24.08.1999   0.19  get rid of the dmaio kludge, replace with allocate_resource
  78  *    31.08.1999   0.20  add spin_lock_init
  79  *                       use new resource allocation to allocate DDMA IO space
  80  *                       replaced current->state = x with set_current_state(x)
  81  *    03.09.1999   0.21  change read semantics for MIDI to match
  82  *                       OSS more closely; remove possible wakeup race
  83  *    28.10.1999   0.22  More waitqueue races fixed
  84  *    01.12.1999   0.23  New argument to allocate_resource
  85  *    07.12.1999   0.24  More allocate_resource semantics change
  86  *    08.01.2000   0.25  Prevent some ioctl's from returning bad count values on underrun/overrun;
  87  *                       Tim Janik's BSE (Bedevilled Sound Engine) found this
  88  *                       use Martin Mares' pci_assign_resource
  89  *    07.02.2000   0.26  Use pci_alloc_consistent and pci_register_driver
  90  *    21.11.2000   0.27  Initialize dma buffers in poll, otherwise poll may return a bogus mask
  91  *    12.12.2000   0.28  More dma buffer initializations, patch from
  92  *                       Tjeerd Mulder <tjeerd.mulder@fujitsu-siemens.com>
  93  *    31.01.2001   0.29  Register/Unregister gameport
  94  *                       Fix SETTRIGGER non OSS API conformity
  95  *    18.05.2001   0.30  PCI probing and error values cleaned up by Marcus
  96  *                       Meissner <mm@caldera.de>
  97  *    03.01.2003   0.31  open_mode fixes from Georg Acher <acher@in.tum.de>
  98  *
  99  */
 100
 101 /*****************************************************************************/
 102
 103 #include <linux/module.h>
 104 #include <linux/string.h>
 105 #include <linux/ioport.h>
 106 #include <linux/interrupt.h>
 107 #include <linux/wait.h>
 108 #include <linux/mm.h>
 109 #include <linux/delay.h>
 110 #include <linux/sound.h>
 111 #include <linux/slab.h>
 112 #include <linux/soundcard.h>
 113 #include <linux/pci.h>
 114 #include <linux/init.h>
 115 #include <linux/poll.h>
 116 #include <linux/spinlock.h>
 117 #include <linux/smp_lock.h>
 118 #include <linux/gameport.h>
 119 #include <linux/dma-mapping.h>
 120 #include <linux/mutex.h>
 121
 122
 123 #include <asm/io.h>
 124 #include <asm/uaccess.h>
 125
 126 #include "dm.h"
 127
 128 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
 129 #define SUPPORT_JOYSTICK 1
 130 #endif
 131
 132 /* --------------------------------------------------------------------- */
 133
 134 #undef OSS_DOCUMENTED_MIXER_SEMANTICS
 135
 136 /* --------------------------------------------------------------------- */
 137
 138 #ifndef PCI_VENDOR_ID_S3
 139 #define PCI_VENDOR_ID_S3             0x5333
 140 #endif
 141 #ifndef PCI_DEVICE_ID_S3_SONICVIBES
 142 #define PCI_DEVICE_ID_S3_SONICVIBES  0xca00
 143 #endif
 144
 145 #define SV_MAGIC  ((PCI_VENDOR_ID_S3<<16)|PCI_DEVICE_ID_S3_SONICVIBES)
 146
 147 #define SV_EXTENT_SB      0x10
 148 #define SV_EXTENT_ENH     0x10
 149 #define SV_EXTENT_SYNTH   0x4
 150 #define SV_EXTENT_MIDI    0x4
 151 #define SV_EXTENT_GAME    0x8
 152 #define SV_EXTENT_DMA     0x10
 153
 154 /*
 155  * we are not a bridge and thus use a resource for DDMA that is used for bridges but
 156  * left empty for normal devices
 157  */
 158 #define RESOURCE_SB       0
 159 #define RESOURCE_ENH      1
 160 #define RESOURCE_SYNTH    2
 161 #define RESOURCE_MIDI     3
 162 #define RESOURCE_GAME     4
 163 #define RESOURCE_DDMA     7
 164
 165 #define SV_MIDI_DATA      0
 166 #define SV_MIDI_COMMAND   1
 167 #define SV_MIDI_STATUS    1
 168
 169 #define SV_DMA_ADDR0      0
 170 #define SV_DMA_ADDR1      1
 171 #define SV_DMA_ADDR2      2
 172 #define SV_DMA_ADDR3      3
 173 #define SV_DMA_COUNT0     4
 174 #define SV_DMA_COUNT1     5
 175 #define SV_DMA_COUNT2     6
 176 #define SV_DMA_MODE       0xb
 177 #define SV_DMA_RESET      0xd
 178 #define SV_DMA_MASK       0xf
 179
 180 /*
 181  * DONT reset the DMA controllers unless you understand
 182  * the reset semantics. Assuming reset semantics as in
 183  * the 8237 does not work.
 184  */
 185
 186 #define DMA_MODE_AUTOINIT 0x10
 187 #define DMA_MODE_READ     0x44    /* I/O to memory, no autoinit, increment, single mode */
 188 #define DMA_MODE_WRITE    0x48    /* memory to I/O, no autoinit, increment, single mode */
 189
 190 #define SV_CODEC_CONTROL  0
 191 #define SV_CODEC_INTMASK  1
 192 #define SV_CODEC_STATUS   2
 193 #define SV_CODEC_IADDR    4
 194 #define SV_CODEC_IDATA    5
 195
 196 #define SV_CCTRL_RESET      0x80
 197 #define SV_CCTRL_INTADRIVE  0x20
 198 #define SV_CCTRL_WAVETABLE  0x08
 199 #define SV_CCTRL_REVERB     0x04
 200 #define SV_CCTRL_ENHANCED   0x01
 201
 202 #define SV_CINTMASK_DMAA    0x01
 203 #define SV_CINTMASK_DMAC    0x04
 204 #define SV_CINTMASK_SPECIAL 0x08
 205 #define SV_CINTMASK_UPDOWN  0x40
 206 #define SV_CINTMASK_MIDI    0x80
 207
 208 #define SV_CSTAT_DMAA       0x01
 209 #define SV_CSTAT_DMAC       0x04
 210 #define SV_CSTAT_SPECIAL    0x08
 211 #define SV_CSTAT_UPDOWN     0x40
 212 #define SV_CSTAT_MIDI       0x80
 213
 214 #define SV_CIADDR_TRD       0x80
 215 #define SV_CIADDR_MCE       0x40
 216
 217 /* codec indirect registers */
 218 #define SV_CIMIX_ADCINL     0x00
 219 #define SV_CIMIX_ADCINR     0x01
 220 #define SV_CIMIX_AUX1INL    0x02
 221 #define SV_CIMIX_AUX1INR    0x03
 222 #define SV_CIMIX_CDINL      0x04
 223 #define SV_CIMIX_CDINR      0x05
 224 #define SV_CIMIX_LINEINL    0x06
 225 #define SV_CIMIX_LINEINR    0x07
 226 #define SV_CIMIX_MICIN      0x08
 227 #define SV_CIMIX_SYNTHINL   0x0A
 228 #define SV_CIMIX_SYNTHINR   0x0B
 229 #define SV_CIMIX_AUX2INL    0x0C
 230 #define SV_CIMIX_AUX2INR    0x0D
 231 #define SV_CIMIX_ANALOGINL  0x0E
 232 #define SV_CIMIX_ANALOGINR  0x0F
 233 #define SV_CIMIX_PCMINL     0x10
 234 #define SV_CIMIX_PCMINR     0x11
 235
 236 #define SV_CIGAMECONTROL    0x09
 237 #define SV_CIDATAFMT        0x12
 238 #define SV_CIENABLE         0x13
 239 #define SV_CIUPDOWN         0x14
 240 #define SV_CIREVISION       0x15
 241 #define SV_CIADCOUTPUT      0x16
 242 #define SV_CIDMAABASECOUNT1 0x18
 243 #define SV_CIDMAABASECOUNT0 0x19
 244 #define SV_CIDMACBASECOUNT1 0x1c
 245 #define SV_CIDMACBASECOUNT0 0x1d
 246 #define SV_CIPCMSR0         0x1e
 247 #define SV_CIPCMSR1         0x1f
 248 #define SV_CISYNTHSR0       0x20
 249 #define SV_CISYNTHSR1       0x21
 250 #define SV_CIADCCLKSOURCE   0x22
 251 #define SV_CIADCALTSR       0x23
 252 #define SV_CIADCPLLM        0x24
 253 #define SV_CIADCPLLN        0x25
 254 #define SV_CISYNTHPLLM      0x26
 255 #define SV_CISYNTHPLLN      0x27
 256 #define SV_CIUARTCONTROL    0x2a
 257 #define SV_CIDRIVECONTROL   0x2b
 258 #define SV_CISRSSPACE       0x2c
 259 #define SV_CISRSCENTER      0x2d
 260 #define SV_CIWAVETABLESRC   0x2e
 261 #define SV_CIANALOGPWRDOWN  0x30
 262 #define SV_CIDIGITALPWRDOWN 0x31
 263
 264
 265 #define SV_CIMIX_ADCSRC_CD     0x20
 266 #define SV_CIMIX_ADCSRC_DAC    0x40
 267 #define SV_CIMIX_ADCSRC_AUX2   0x60
 268 #define SV_CIMIX_ADCSRC_LINE   0x80
 269 #define SV_CIMIX_ADCSRC_AUX1   0xa0
 270 #define SV_CIMIX_ADCSRC_MIC    0xc0
 271 #define SV_CIMIX_ADCSRC_MIXOUT 0xe0
 272 #define SV_CIMIX_ADCSRC_MASK   0xe0
 273
 274 #define SV_CFMT_STEREO     0x01
 275 #define SV_CFMT_16BIT      0x02
 276 #define SV_CFMT_MASK       0x03
 277 #define SV_CFMT_ASHIFT     0
 278 #define SV_CFMT_CSHIFT     4
 279
 280 static const unsigned sample_size[] = { 1, 2, 2, 4 };
 281 static const unsigned sample_shift[] = { 0, 1, 1, 2 };
 282
 283 #define SV_CENABLE_PPE     0x4
 284 #define SV_CENABLE_RE      0x2
 285 #define SV_CENABLE_PE      0x1
 286
 287
 288 /* MIDI buffer sizes */
 289
 290 #define MIDIINBUF  256
 291 #define MIDIOUTBUF 256
 292
 293 #define FMODE_MIDI_SHIFT 2
 294 #define FMODE_MIDI_READ  (FMODE_READ << FMODE_MIDI_SHIFT)
 295 #define FMODE_MIDI_WRITE (FMODE_WRITE << FMODE_MIDI_SHIFT)
 296
 297 #define FMODE_DMFM 0x10
 298
 299 /* --------------------------------------------------------------------- */
 300
 301 struct sv_state {
 302         /* magic */
 303         unsigned int magic;
 304
 305         /* list of sonicvibes devices */
 306         struct list_head devs;
 307
 308         /* the corresponding pci_dev structure */
 309         struct pci_dev *dev;
 310
 311         /* soundcore stuff */
 312         int dev_audio;
 313         int dev_mixer;
 314         int dev_midi;
 315         int dev_dmfm;
 316
 317         /* hardware resources */
 318         unsigned long iosb, ioenh, iosynth, iomidi;  /* long for SPARC */
 319         unsigned int iodmaa, iodmac, irq;
 320
 321         /* mixer stuff */
 322         struct {
 323                 unsigned int modcnt;
 324 #ifndef OSS_DOCUMENTED_MIXER_SEMANTICS
 325                 unsigned short vol[13];
 326 #endif /* OSS_DOCUMENTED_MIXER_SEMANTICS */
 327         } mix;
 328
 329         /* wave stuff */
 330         unsigned int rateadc, ratedac;
 331         unsigned char fmt, enable;
 332
 333         spinlock_t lock;
 334         struct mutex open_mutex;
 335         mode_t open_mode;
 336         wait_queue_head_t open_wait;
 337
 338         struct dmabuf {
 339                 void *rawbuf;
 340                 dma_addr_t dmaaddr;
 341                 unsigned buforder;
 342                 unsigned numfrag;
 343                 unsigned fragshift;
 344                 unsigned hwptr, swptr;
 345                 unsigned total_bytes;
 346                 int count;
 347                 unsigned error; /* over/underrun */
 348                 wait_queue_head_t wait;
 349                 /* redundant, but makes calculations easier */
 350                 unsigned fragsize;
 351                 unsigned dmasize;
 352                 unsigned fragsamples;
 353                 /* OSS stuff */
 354                 unsigned mapped:1;
 355                 unsigned ready:1;
 356                 unsigned endcleared:1;
 357                 unsigned enabled:1;
 358                 unsigned ossfragshift;
 359                 int ossmaxfrags;
 360                 unsigned subdivision;
 361         } dma_dac, dma_adc;
 362
 363         /* midi stuff */
 364         struct {
 365                 unsigned ird, iwr, icnt;
 366                 unsigned ord, owr, ocnt;
 367                 wait_queue_head_t iwait;
 368                 wait_queue_head_t owait;
 369                 struct timer_list timer;
 370                 unsigned char ibuf[MIDIINBUF];
 371                 unsigned char obuf[MIDIOUTBUF];
 372         } midi;
 373
 374 #if SUPPORT_JOYSTICK
 375         struct gameport *gameport;
 376 #endif
 377 };
 378
 379 /* --------------------------------------------------------------------- */
 380
 381 static LIST_HEAD(devs);
 382 static unsigned long wavetable_mem;
 383
 384 /* --------------------------------------------------------------------- */
 385
 386 static inline unsigned ld2(unsigned int x)
 387 {
 388         unsigned r = 0;
 389
 390         if (x >= 0x10000) {
 391                 x >>= 16;
 392                 r += 16;
 393         }
 394         if (x >= 0x100) {
 395                 x >>= 8;
 396                 r += 8;
 397         }
 398         if (x >= 0x10) {
 399                 x >>= 4;
 400                 r += 4;
 401         }
 402         if (x >= 4) {
 403                 x >>= 2;
 404                 r += 2;
 405         }
 406         if (x >= 2)
 407                 r++;
 408         return r;
 409 }
 410
 411 /* --------------------------------------------------------------------- */
 412
 413 /*
 414  * Why use byte IO? Nobody knows, but S3 does it also in their Windows driver.
 415  */
 416
 417 #undef DMABYTEIO
 418
 419 static void set_dmaa(struct sv_state *s, unsigned int addr, unsigned int count)
 420 {
 421 #ifdef DMABYTEIO
 422         unsigned io = s->iodmaa, u;
 423
 424         count--;
 425         for (u = 4; u > 0; u--, addr >>= 8, io++)
 426                 outb(addr & 0xff, io);
 427         for (u = 3; u > 0; u--, count >>= 8, io++)
 428                 outb(count & 0xff, io);
 429 #else /* DMABYTEIO */
 430         count--;
 431         outl(addr, s->iodmaa + SV_DMA_ADDR0);
 432         outl(count, s->iodmaa + SV_DMA_COUNT0);
 433 #endif /* DMABYTEIO */
 434         outb(0x18, s->iodmaa + SV_DMA_MODE);
 435 }
 436
 437 static void set_dmac(struct sv_state *s, unsigned int addr, unsigned int count)
 438 {
 439 #ifdef DMABYTEIO
 440         unsigned io = s->iodmac, u;
 441
 442         count >>= 1;
 443         count--;
 444         for (u = 4; u > 0; u--, addr >>= 8, io++)
 445                 outb(addr & 0xff, io);
 446         for (u = 3; u > 0; u--, count >>= 8, io++)
 447                 outb(count & 0xff, io);
 448 #else /* DMABYTEIO */
 449         count >>= 1;
 450         count--;
 451         outl(addr, s->iodmac + SV_DMA_ADDR0);
 452         outl(count, s->iodmac + SV_DMA_COUNT0);
 453 #endif /* DMABYTEIO */
 454         outb(0x14, s->iodmac + SV_DMA_MODE);
 455 }
 456
 457 static inline unsigned get_dmaa(struct sv_state *s)
 458 {
 459 #ifdef DMABYTEIO
 460         unsigned io = s->iodmaa+6, v = 0, u;
 461
 462         for (u = 3; u > 0; u--, io--) {
 463                 v <<= 8;
 464                 v |= inb(io);
 465         }
 466         return v + 1;
 467 #else /* DMABYTEIO */
 468         return (inl(s->iodmaa + SV_DMA_COUNT0) & 0xffffff) + 1;
 469 #endif /* DMABYTEIO */
 470 }
 471
 472 static inline unsigned get_dmac(struct sv_state *s)
 473 {
 474 #ifdef DMABYTEIO
 475         unsigned io = s->iodmac+6, v = 0, u;
 476
 477         for (u = 3; u > 0; u--, io--) {
 478                 v <<= 8;
 479                 v |= inb(io);
 480         }
 481         return (v + 1) << 1;
 482 #else /* DMABYTEIO */
 483         return ((inl(s->iodmac + SV_DMA_COUNT0) & 0xffffff) + 1) << 1;
 484 #endif /* DMABYTEIO */
 485 }
 486
 487 static void wrindir(struct sv_state *s, unsigned char idx, unsigned char data)
 488 {
 489         outb(idx & 0x3f, s->ioenh + SV_CODEC_IADDR);
 490         udelay(10);
 491         outb(data, s->ioenh + SV_CODEC_IDATA);
 492         udelay(10);
 493 }
 494
 495 static unsigned char rdindir(struct sv_state *s, unsigned char idx)
 496 {
 497         unsigned char v;
 498
 499         outb(idx & 0x3f, s->ioenh + SV_CODEC_IADDR);
 500         udelay(10);
 501         v = inb(s->ioenh + SV_CODEC_IDATA);
 502         udelay(10);
 503         return v;
 504 }
 505
 506 static void set_fmt(struct sv_state *s, unsigned char mask, unsigned char data)
 507 {
 508         unsigned long flags;
 509
 510         spin_lock_irqsave(&s->lock, flags);
 511         outb(SV_CIDATAFMT | SV_CIADDR_MCE, s->ioenh + SV_CODEC_IADDR);
 512         if (mask) {
 513                 s->fmt = inb(s->ioenh + SV_CODEC_IDATA);
 514                 udelay(10);
 515         }
 516         s->fmt = (s->fmt & mask) | data;
 517         outb(s->fmt, s->ioenh + SV_CODEC_IDATA);
 518         udelay(10);
 519         outb(0, s->ioenh + SV_CODEC_IADDR);
 520         spin_unlock_irqrestore(&s->lock, flags);
 521         udelay(10);
 522 }
 523
 524 static void frobindir(struct sv_state *s, unsigned char idx, unsigned char mask, unsigned char data)
 525 {
 526         outb(idx & 0x3f, s->ioenh + SV_CODEC_IADDR);
 527         udelay(10);
 528         outb((inb(s->ioenh + SV_CODEC_IDATA) & mask) ^ data, s->ioenh + SV_CODEC_IDATA);
 529         udelay(10);
 530 }
 531
 532 #define REFFREQUENCY  24576000
 533 #define ADCMULT 512
 534 #define FULLRATE 48000
 535
 536 static unsigned setpll(struct sv_state *s, unsigned char reg, unsigned rate)
 537 {
 538         unsigned long flags;
 539         unsigned char r, m=0, n=0;
 540         unsigned xm, xn, xr, xd, metric = ~0U;
 541         /* the warnings about m and n used uninitialized are bogus and may safely be ignored */
 542
 543         if (rate < 625000/ADCMULT)
 544                 rate = 625000/ADCMULT;
 545         if (rate > 150000000/ADCMULT)
 546                 rate = 150000000/ADCMULT;
 547         /* slight violation of specs, needed for continuous sampling rates */
 548         for (r = 0; rate < 75000000/ADCMULT; r += 0x20, rate <<= 1);
 549         for (xn = 3; xn < 35; xn++)
 550                 for (xm = 3; xm < 130; xm++) {
 551                         xr = REFFREQUENCY/ADCMULT * xm / xn;
 552                         xd = abs((signed)(xr - rate));
 553                         if (xd < metric) {
 554                                 metric = xd;
 555                                 m = xm - 2;
 556                                 n = xn - 2;
 557                         }
 558                 }
 559         reg &= 0x3f;
 560         spin_lock_irqsave(&s->lock, flags);
 561         outb(reg, s->ioenh + SV_CODEC_IADDR);
 562         udelay(10);
 563         outb(m, s->ioenh + SV_CODEC_IDATA);
 564         udelay(10);
 565         outb(reg+1, s->ioenh + SV_CODEC_IADDR);
 566         udelay(10);
 567         outb(r | n, s->ioenh + SV_CODEC_IDATA);
 568         spin_unlock_irqrestore(&s->lock, flags);
 569         udelay(10);
 570         return (REFFREQUENCY/ADCMULT * (m + 2) / (n + 2)) >> ((r >> 5) & 7);
 571 }
 572
 573 #if 0
 574
 575 static unsigned getpll(struct sv_state *s, unsigned char reg)
 576 {
 577         unsigned long flags;
 578         unsigned char m, n;
 579
 580         reg &= 0x3f;
 581         spin_lock_irqsave(&s->lock, flags);
 582         outb(reg, s->ioenh + SV_CODEC_IADDR);
 583         udelay(10);
 584         m = inb(s->ioenh + SV_CODEC_IDATA);
 585         udelay(10);
 586         outb(reg+1, s->ioenh + SV_CODEC_IADDR);
 587         udelay(10);
 588         n = inb(s->ioenh + SV_CODEC_IDATA);
 589         spin_unlock_irqrestore(&s->lock, flags);
 590         udelay(10);
 591         return (REFFREQUENCY/ADCMULT * (m + 2) / ((n & 0x1f) + 2)) >> ((n >> 5) & 7);
 592 }
 593
 594 #endif
 595
 596 static void set_dac_rate(struct sv_state *s, unsigned rate)
 597 {
 598         unsigned div;
 599         unsigned long flags;
 600
 601         if (rate > 48000)
 602                 rate = 48000;
 603         if (rate < 4000)
 604                 rate = 4000;
 605         div = (rate * 65536 + FULLRATE/2) / FULLRATE;
 606         if (div > 65535)
 607                 div = 65535;
 608         spin_lock_irqsave(&s->lock, flags);
 609         wrindir(s, SV_CIPCMSR1, div >> 8);
 610         wrindir(s, SV_CIPCMSR0, div);
 611         spin_unlock_irqrestore(&s->lock, flags);
 612         s->ratedac = (div * FULLRATE + 32768) / 65536;
 613 }
 614
 615 static void set_adc_rate(struct sv_state *s, unsigned rate)
 616 {
 617         unsigned long flags;
 618         unsigned rate1, rate2, div;
 619
 620         if (rate > 48000)
 621                 rate = 48000;
 622         if (rate < 4000)
 623                 rate = 4000;
 624         rate1 = setpll(s, SV_CIADCPLLM, rate);
 625         div = (48000 + rate/2) / rate;
 626         if (div > 8)
 627                 div = 8;
 628         rate2 = (48000 + div/2) / div;
 629         spin_lock_irqsave(&s->lock, flags);
 630         wrindir(s, SV_CIADCALTSR, (div-1) << 4);
 631         if (abs((signed)(rate-rate2)) <= abs((signed)(rate-rate1))) {
 632                 wrindir(s, SV_CIADCCLKSOURCE, 0x10);
 633                 s->rateadc = rate2;
 634         } else {
 635                 wrindir(s, SV_CIADCCLKSOURCE, 0x00);
 636                 s->rateadc = rate1;
 637         }
 638         spin_unlock_irqrestore(&s->lock, flags);
 639 }
 640
 641 /* --------------------------------------------------------------------- */
 642
 643 static inline void stop_adc(struct sv_state *s)
 644 {
 645         unsigned long flags;
 646
 647         spin_lock_irqsave(&s->lock, flags);
 648         s->enable &= ~SV_CENABLE_RE;
 649         wrindir(s, SV_CIENABLE, s->enable);
 650         spin_unlock_irqrestore(&s->lock, flags);
 651 }
 652
 653 static inline void stop_dac(struct sv_state *s)
 654 {
 655         unsigned long flags;
 656
 657         spin_lock_irqsave(&s->lock, flags);
 658         s->enable &= ~(SV_CENABLE_PPE | SV_CENABLE_PE);
 659         wrindir(s, SV_CIENABLE, s->enable);
 660         spin_unlock_irqrestore(&s->lock, flags);
 661 }
 662
 663 static void start_dac(struct sv_state *s)
 664 {
 665         unsigned long flags;
 666
 667         spin_lock_irqsave(&s->lock, flags);
 668         if ((s->dma_dac.mapped || s->dma_dac.count > 0) && s->dma_dac.ready) {
 669                 s->enable = (s->enable & ~SV_CENABLE_PPE) | SV_CENABLE_PE;
 670                 wrindir(s, SV_CIENABLE, s->enable);
 671         }
 672         spin_unlock_irqrestore(&s->lock, flags);
 673 }
 674
 675 static void start_adc(struct sv_state *s)
 676 {
 677         unsigned long flags;
 678
 679         spin_lock_irqsave(&s->lock, flags);
 680         if ((s->dma_adc.mapped || s->dma_adc.count < (signed)(s->dma_adc.dmasize - 2*s->dma_adc.fragsize))
 681             && s->dma_adc.ready) {
 682                 s->enable |= SV_CENABLE_RE;
 683                 wrindir(s, SV_CIENABLE, s->enable);
 684         }
 685         spin_unlock_irqrestore(&s->lock, flags);
 686 }
 687
 688 /* --------------------------------------------------------------------- */
 689
 690 #define DMABUF_DEFAULTORDER (17-PAGE_SHIFT)
 691 #define DMABUF_MINORDER 1
 692
 693 static void dealloc_dmabuf(struct sv_state *s, struct dmabuf *db)
 694 {
 695         struct page *page, *pend;
 696
 697         if (db->rawbuf) {
 698                 /* undo marking the pages as reserved */
 699                 pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1);
 700                 for (page = virt_to_page(db->rawbuf); page <= pend; page++)
 701                         ClearPageReserved(page);
 702                 pci_free_consistent(s->dev, PAGE_SIZE << db->buforder, db->rawbuf, db->dmaaddr);
 703         }
 704         db->rawbuf = NULL;
 705         db->mapped = db->ready = 0;
 706 }
 707
 708
 709 /* DMAA is used for playback, DMAC is used for recording */
 710
 711 static int prog_dmabuf(struct sv_state *s, unsigned rec)
 712 {
 713         struct dmabuf *db = rec ? &s->dma_adc : &s->dma_dac;
 714         unsigned rate = rec ? s->rateadc : s->ratedac;
 715         int order;
 716         unsigned bytepersec;
 717         unsigned bufs;
 718         struct page *page, *pend;
 719         unsigned char fmt;
 720         unsigned long flags;
 721
 722         spin_lock_irqsave(&s->lock, flags);
 723         fmt = s->fmt;
 724         if (rec) {
 725                 s->enable &= ~SV_CENABLE_RE;
 726                 fmt >>= SV_CFMT_CSHIFT;
 727         } else {
 728                 s->enable &= ~SV_CENABLE_PE;
 729                 fmt >>= SV_CFMT_ASHIFT;
 730         }
 731         wrindir(s, SV_CIENABLE, s->enable);
 732         spin_unlock_irqrestore(&s->lock, flags);
 733         fmt &= SV_CFMT_MASK;
 734         db->hwptr = db->swptr = db->total_bytes = db->count = db->error = db->endcleared = 0;
 735         if (!db->rawbuf) {
 736                 db->ready = db->mapped = 0;
 737                 for (order = DMABUF_DEFAULTORDER; order >= DMABUF_MINORDER; order--)
 738                         if ((db->rawbuf = pci_alloc_consistent(s->dev, PAGE_SIZE << order, &db->dmaaddr)))
 739                                 break;
 740                 if (!db->rawbuf)
 741                         return -ENOMEM;
 742                 db->buforder = order;
 743                 if ((virt_to_bus(db->rawbuf) ^ (virt_to_bus(db->rawbuf) + (PAGE_SIZE << db->buforder) - 1)) & ~0xffff)
 744                         printk(KERN_DEBUG "sv: DMA buffer crosses 64k boundary: busaddr 0x%lx  size %ld\n",
 745                                virt_to_bus(db->rawbuf), PAGE_SIZE << db->buforder);
 746                 if ((virt_to_bus(db->rawbuf) + (PAGE_SIZE << db->buforder) - 1) & ~0xffffff)
 747                         printk(KERN_DEBUG "sv: DMA buffer beyond 16MB: busaddr 0x%lx  size %ld\n",
 748                                virt_to_bus(db->rawbuf), PAGE_SIZE << db->buforder);
 749                 /* now mark the pages as reserved; otherwise remap_pfn_range doesn't do what we want */
 750                 pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1);
 751                 for (page = virt_to_page(db->rawbuf); page <= pend; page++)
 752                         SetPageReserved(page);
 753         }
 754         bytepersec = rate << sample_shift[fmt];
 755         bufs = PAGE_SIZE << db->buforder;
 756         if (db->ossfragshift) {
 757                 if ((1000 << db->ossfragshift) < bytepersec)
 758                         db->fragshift = ld2(bytepersec/1000);
 759                 else
 760                         db->fragshift = db->ossfragshift;
 761         } else {
 762                 db->fragshift = ld2(bytepersec/100/(db->subdivision ? db->subdivision : 1));
 763                 if (db->fragshift < 3)
 764                         db->fragshift = 3;
 765         }
 766         db->numfrag = bufs >> db->fragshift;
 767         while (db->numfrag < 4 && db->fragshift > 3) {
 768                 db->fragshift--;
 769                 db->numfrag = bufs >> db->fragshift;
 770         }
 771         db->fragsize = 1 << db->fragshift;
 772         if (db->ossmaxfrags >= 4 && db->ossmaxfrags < db->numfrag)
 773                 db->numfrag = db->ossmaxfrags;
 774         db->fragsamples = db->fragsize >> sample_shift[fmt];
 775         db->dmasize = db->numfrag << db->fragshift;
 776         memset(db->rawbuf, (fmt & SV_CFMT_16BIT) ? 0 : 0x80, db->dmasize);
 777         spin_lock_irqsave(&s->lock, flags);
 778         if (rec) {
 779                 set_dmac(s, db->dmaaddr, db->numfrag << db->fragshift);
 780                 /* program enhanced mode registers */
 781                 wrindir(s, SV_CIDMACBASECOUNT1, (db->fragsamples-1) >> 8);
 782                 wrindir(s, SV_CIDMACBASECOUNT0, db->fragsamples-1);
 783         } else {
 784                 set_dmaa(s, db->dmaaddr, db->numfrag << db->fragshift);
 785                 /* program enhanced mode registers */
 786                 wrindir(s, SV_CIDMAABASECOUNT1, (db->fragsamples-1) >> 8);
 787                 wrindir(s, SV_CIDMAABASECOUNT0, db->fragsamples-1);
 788         }
 789         spin_unlock_irqrestore(&s->lock, flags);
 790         db->enabled = 1;
 791         db->ready = 1;
 792         return 0;
 793 }
 794
 795 static inline void clear_advance(struct sv_state *s)
 796 {
 797         unsigned char c = (s->fmt & (SV_CFMT_16BIT << SV_CFMT_ASHIFT)) ? 0 : 0x80;
 798         unsigned char *buf = s->dma_dac.rawbuf;
 799         unsigned bsize = s->dma_dac.dmasize;
 800         unsigned bptr = s->dma_dac.swptr;
 801         unsigned len = s->dma_dac.fragsize;
 802
 803         if (bptr + len > bsize) {
 804                 unsigned x = bsize - bptr;
 805                 memset(buf + bptr, c, x);
 806                 bptr = 0;
 807                 len -= x;
 808         }
 809         memset(buf + bptr, c, len);
 810 }
 811
 812 /* call with spinlock held! */
 813 static void sv_update_ptr(struct sv_state *s)
 814 {
 815         unsigned hwptr;
 816         int diff;
 817
 818         /* update ADC pointer */
 819         if (s->dma_adc.ready) {
 820                 hwptr = (s->dma_adc.dmasize - get_dmac(s)) % s->dma_adc.dmasize;
 821                 diff = (s->dma_adc.dmasize + hwptr - s->dma_adc.hwptr) % s->dma_adc.dmasize;
 822                 s->dma_adc.hwptr = hwptr;
 823                 s->dma_adc.total_bytes += diff;
 824                 s->dma_adc.count += diff;
 825                 if (s->dma_adc.count >= (signed)s->dma_adc.fragsize)
 826                         wake_up(&s->dma_adc.wait);
 827                 if (!s->dma_adc.mapped) {
 828                         if (s->dma_adc.count > (signed)(s->dma_adc.dmasize - ((3 * s->dma_adc.fragsize) >> 1))) {
 829                                 s->enable &= ~SV_CENABLE_RE;
 830                                 wrindir(s, SV_CIENABLE, s->enable);
 831                                 s->dma_adc.error++;
 832                         }
 833                 }
 834         }
 835         /* update DAC pointer */
 836         if (s->dma_dac.ready) {
 837                 hwptr = (s->dma_dac.dmasize - get_dmaa(s)) % s->dma_dac.dmasize;
 838                 diff = (s->dma_dac.dmasize + hwptr - s->dma_dac.hwptr) % s->dma_dac.dmasize;
 839                 s->dma_dac.hwptr = hwptr;
 840                 s->dma_dac.total_bytes += diff;
 841                 if (s->dma_dac.mapped) {
 842                         s->dma_dac.count += diff;
 843                         if (s->dma_dac.count >= (signed)s->dma_dac.fragsize)
 844                                 wake_up(&s->dma_dac.wait);
 845                 } else {
 846                         s->dma_dac.count -= diff;
 847                         if (s->dma_dac.count <= 0) {
 848                                 s->enable &= ~SV_CENABLE_PE;
 849                                 wrindir(s, SV_CIENABLE, s->enable);
 850                                 s->dma_dac.error++;
 851                         } else if (s->dma_dac.count <= (signed)s->dma_dac.fragsize && !s->dma_dac.endcleared) {
 852                                 clear_advance(s);
 853                                 s->dma_dac.endcleared = 1;
 854                         }
 855                         if (s->dma_dac.count + (signed)s->dma_dac.fragsize <= (signed)s->dma_dac.dmasize)
 856                                 wake_up(&s->dma_dac.wait);
 857                 }
 858         }
 859 }
 860
 861 /* hold spinlock for the following! */
 862 static void sv_handle_midi(struct sv_state *s)
 863 {
 864         unsigned char ch;
 865         int wake;
 866
 867         wake = 0;
 868         while (!(inb(s->iomidi+1) & 0x80)) {
 869                 ch = inb(s->iomidi);
 870                 if (s->midi.icnt < MIDIINBUF) {
 871                         s->midi.ibuf[s->midi.iwr] = ch;
 872                         s->midi.iwr = (s->midi.iwr + 1) % MIDIINBUF;
 873                         s->midi.icnt++;
 874                 }
 875                 wake = 1;
 876         }
 877         if (wake)
 878                 wake_up(&s->midi.iwait);
 879         wake = 0;
 880         while (!(inb(s->iomidi+1) & 0x40) && s->midi.ocnt > 0) {
 881                 outb(s->midi.obuf[s->midi.ord], s->iomidi);
 882                 s->midi.ord = (s->midi.ord + 1) % MIDIOUTBUF;
 883                 s->midi.ocnt--;
 884                 if (s->midi.ocnt < MIDIOUTBUF-16)
 885                         wake = 1;
 886         }
 887         if (wake)
 888                 wake_up(&s->midi.owait);
 889 }
 890
 891 static irqreturn_t sv_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 892 {
 893         struct sv_state *s = (struct sv_state *)dev_id;
 894         unsigned int intsrc;
 895
 896         /* fastpath out, to ease interrupt sharing */
 897         intsrc = inb(s->ioenh + SV_CODEC_STATUS);
 898         if (!(intsrc & (SV_CSTAT_DMAA | SV_CSTAT_DMAC | SV_CSTAT_MIDI)))
 899                 return IRQ_NONE;
 900         spin_lock(&s->lock);
 901         sv_update_ptr(s);
 902         sv_handle_midi(s);
 903         spin_unlock(&s->lock);
 904         return IRQ_HANDLED;
 905 }
 906
 907 static void sv_midi_timer(unsigned long data)
 908 {
 909         struct sv_state *s = (struct sv_state *)data;
 910         unsigned long flags;
 911
 912         spin_lock_irqsave(&s->lock, flags);
 913         sv_handle_midi(s);
 914         spin_unlock_irqrestore(&s->lock, flags);
 915         s->midi.timer.expires = jiffies+1;
 916         add_timer(&s->midi.timer);
 917 }
 918
 919 /* --------------------------------------------------------------------- */
 920
 921 static const char invalid_magic[] = KERN_CRIT "sv: invalid magic value\n";
 922
 923 #define VALIDATE_STATE(s)                         \
 924 ({                                                \
 925         if (!(s) || (s)->magic != SV_MAGIC) { \
 926                 printk(invalid_magic);            \
 927                 return -ENXIO;                    \
 928         }                                         \
 929 })
 930
 931 /* --------------------------------------------------------------------- */
 932
 933 #define MT_4          1
 934 #define MT_5MUTE      2
 935 #define MT_4MUTEMONO  3
 936 #define MT_6MUTE      4
 937
 938 static const struct {
 939         unsigned left:5;
 940         unsigned right:5;
 941         unsigned type:3;
 942         unsigned rec:3;
 943 } mixtable[SOUND_MIXER_NRDEVICES] = {
 944         [SOUND_MIXER_RECLEV] = { SV_CIMIX_ADCINL,    SV_CIMIX_ADCINR,    MT_4,         0 },
 945         [SOUND_MIXER_LINE1]  = { SV_CIMIX_AUX1INL,   SV_CIMIX_AUX1INR,   MT_5MUTE,     5 },
 946         [SOUND_MIXER_CD]     = { SV_CIMIX_CDINL,     SV_CIMIX_CDINR,     MT_5MUTE,     1 },
 947         [SOUND_MIXER_LINE]   = { SV_CIMIX_LINEINL,   SV_CIMIX_LINEINR,   MT_5MUTE,     4 },
 948         [SOUND_MIXER_MIC]    = { SV_CIMIX_MICIN,     SV_CIMIX_ADCINL,    MT_4MUTEMONO, 6 },
 949         [SOUND_MIXER_SYNTH]  = { SV_CIMIX_SYNTHINL,  SV_CIMIX_SYNTHINR,  MT_5MUTE,     2 },
 950         [SOUND_MIXER_LINE2]  = { SV_CIMIX_AUX2INL,   SV_CIMIX_AUX2INR,   MT_5MUTE,     3 },
 951         [SOUND_MIXER_VOLUME] = { SV_CIMIX_ANALOGINL, SV_CIMIX_ANALOGINR, MT_5MUTE,     7 },
 952         [SOUND_MIXER_PCM]    = { SV_CIMIX_PCMINL,    SV_CIMIX_PCMINR,    MT_6MUTE,     0 }
 953 };
 954
 955 #ifdef OSS_DOCUMENTED_MIXER_SEMANTICS
 956
 957 static int return_mixval(struct sv_state *s, unsigned i, int *arg)
 958 {
 959         unsigned long flags;
 960         unsigned char l, r, rl, rr;
 961
 962         spin_lock_irqsave(&s->lock, flags);
 963         l = rdindir(s, mixtable[i].left);
 964         r = rdindir(s, mixtable[i].right);
 965         spin_unlock_irqrestore(&s->lock, flags);
 966         switch (mixtable[i].type) {
 967         case MT_4:
 968                 r &= 0xf;
 969                 l &= 0xf;
 970                 rl = 10 + 6 * (l & 15);
 971                 rr = 10 + 6 * (r & 15);
 972                 break;
 973
 974         case MT_4MUTEMONO:
 975                 rl = 55 - 3 * (l & 15);
 976                 if (r & 0x10)
 977                         rl += 45;
 978                 rr = rl;
 979                 r = l;
 980                 break;
 981
 982         case MT_5MUTE:
 983         default:
 984                 rl = 100 - 3 * (l & 31);
 985                 rr = 100 - 3 * (r & 31);
 986                 break;
 987
 988         case MT_6MUTE:
 989                 rl = 100 - 3 * (l & 63) / 2;
 990                 rr = 100 - 3 * (r & 63) / 2;
 991                 break;
 992         }
 993         if (l & 0x80)
 994                 rl = 0;
 995         if (r & 0x80)
 996                 rr = 0;
 997         return put_user((rr << 8) | rl, arg);
 998 }
 999
1000 #else /* OSS_DOCUMENTED_MIXER_SEMANTICS */
1001
1002 static const unsigned char volidx[SOUND_MIXER_NRDEVICES] =
1003 {
1004         [SOUND_MIXER_RECLEV] = 1,
1005         [SOUND_MIXER_LINE1]  = 2,
1006         [SOUND_MIXER_CD]     = 3,
1007         [SOUND_MIXER_LINE]   = 4,
1008         [SOUND_MIXER_MIC]    = 5,
1009         [SOUND_MIXER_SYNTH]  = 6,
1010         [SOUND_MIXER_LINE2]  = 7,
1011         [SOUND_MIXER_VOLUME] = 8,
1012         [SOUND_MIXER_PCM]    = 9
1013 };
1014
1015 #endif /* OSS_DOCUMENTED_MIXER_SEMANTICS */
1016
1017 static unsigned mixer_recmask(struct sv_state *s)
1018 {
1019         unsigned long flags;
1020         int i, j;
1021
1022         spin_lock_irqsave(&s->lock, flags);
1023         j = rdindir(s, SV_CIMIX_ADCINL) >> 5;
1024         spin_unlock_irqrestore(&s->lock, flags);
1025         j &= 7;
1026         for (i = 0; i < SOUND_MIXER_NRDEVICES && mixtable[i].rec != j; i++);
1027         return 1 << i;
1028 }
1029
1030 static int mixer_ioctl(struct sv_state *s, unsigned int cmd, unsigned long arg)
1031 {
1032         unsigned long flags;
1033         int i, val;
1034         unsigned char l, r, rl, rr;
1035         int __user *p = (int __user *)arg;
1036
1037         VALIDATE_STATE(s);
1038         if (cmd == SOUND_MIXER_INFO) {
1039                 mixer_info info;
1040                 memset(&info, 0, sizeof(info));
1041                 strlcpy(info.id, "SonicVibes", sizeof(info.id));
1042                 strlcpy(info.name, "S3 SonicVibes", sizeof(info.name));
1043                 info.modify_counter = s->mix.modcnt;
1044                 if (copy_to_user((void __user *)arg, &info, sizeof(info)))
1045                         return -EFAULT;
1046                 return 0;
1047         }
1048         if (cmd == SOUND_OLD_MIXER_INFO) {
1049                 _old_mixer_info info;
1050                 memset(&info, 0, sizeof(info));
1051                 strlcpy(info.id, "SonicVibes", sizeof(info.id));
1052                 strlcpy(info.name, "S3 SonicVibes", sizeof(info.name));
1053                 if (copy_to_user((void __user *)arg, &info, sizeof(info)))
1054                         return -EFAULT;
1055                 return 0;
1056         }
1057         if (cmd == OSS_GETVERSION)
1058                 return put_user(SOUND_VERSION, p);
1059         if (cmd == SOUND_MIXER_PRIVATE1) {  /* SRS settings */
1060                 if (get_user(val, p))
1061                         return -EFAULT;
1062                 spin_lock_irqsave(&s->lock, flags);
1063                 if (val & 1) {
1064                         if (val & 2) {
1065                                 l = 4 - ((val >> 2) & 7);
1066                                 if (l & ~3)
1067                                         l = 4;
1068                                 r = 4 - ((val >> 5) & 7);
1069                                 if (r & ~3)
1070                                         r = 4;
1071                                 wrindir(s, SV_CISRSSPACE, l);
1072                                 wrindir(s, SV_CISRSCENTER, r);
1073                         } else
1074                                 wrindir(s, SV_CISRSSPACE, 0x80);
1075                 }
1076                 l = rdindir(s, SV_CISRSSPACE);
1077                 r = rdindir(s, SV_CISRSCENTER);
1078                 spin_unlock_irqrestore(&s->lock, flags);
1079                 if (l & 0x80)
1080                         return put_user(0, p);
1081                 return put_user(((4 - (l & 7)) << 2) | ((4 - (r & 7)) << 5) | 2, p);
1082         }
1083         if (_IOC_TYPE(cmd) != 'M' || _SIOC_SIZE(cmd) != sizeof(int))
1084                 return -EINVAL;
1085         if (_SIOC_DIR(cmd) == _SIOC_READ) {
1086                 switch (_IOC_NR(cmd)) {
1087                 case SOUND_MIXER_RECSRC: /* Arg contains a bit for each recording source */
1088                         return put_user(mixer_recmask(s), p);
1089
1090                 case SOUND_MIXER_DEVMASK: /* Arg contains a bit for each supported device */
1091                         for (val = i = 0; i < SOUND_MIXER_NRDEVICES; i++)
1092                                 if (mixtable[i].type)
1093                                         val |= 1 << i;
1094                         return put_user(val, p);
1095
1096                 case SOUND_MIXER_RECMASK: /* Arg contains a bit for each supported recording source */
1097                         for (val = i = 0; i < SOUND_MIXER_NRDEVICES; i++)
1098                                 if (mixtable[i].rec)
1099                                         val |= 1 << i;
1100                         return put_user(val, p);
1101
1102                 case SOUND_MIXER_STEREODEVS: /* Mixer channels supporting stereo */
1103                         for (val = i = 0; i < SOUND_MIXER_NRDEVICES; i++)
1104                                 if (mixtable[i].type && mixtable[i].type != MT_4MUTEMONO)
1105                                         val |= 1 << i;
1106                         return put_user(val, p);
1107
1108                 case SOUND_MIXER_CAPS:
1109                         return put_user(SOUND_CAP_EXCL_INPUT, p);
1110
1111                 default:
1112                         i = _IOC_NR(cmd);
1113                         if (i >= SOUND_MIXER_NRDEVICES || !mixtable[i].type)
1114                                 return -EINVAL;
1115 #ifdef OSS_DOCUMENTED_MIXER_SEMANTICS
1116                         return return_mixval(s, i, p);
1117 #else /* OSS_DOCUMENTED_MIXER_SEMANTICS */
1118                         if (!volidx[i])
1119                                 return -EINVAL;
1120                         return put_user(s->mix.vol[volidx[i]-1], p);
1121 #endif /* OSS_DOCUMENTED_MIXER_SEMANTICS */
1122                 }
1123         }
1124         if (_SIOC_DIR(cmd) != (_SIOC_READ|_SIOC_WRITE))
1125                 return -EINVAL;
1126         s->mix.modcnt++;
1127         switch (_IOC_NR(cmd)) {
1128         case SOUND_MIXER_RECSRC: /* Arg contains a bit for each recording source */
1129                 if (get_user(val, p))
1130                         return -EFAULT;
1131                 i = hweight32(val);
1132                 if (i == 0)
1133                         return 0; /*val = mixer_recmask(s);*/
1134                 else if (i > 1)
1135                         val &= ~mixer_recmask(s);
1136                 for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
1137                         if (!(val & (1 << i)))
1138                                 continue;
1139                         if (mixtable[i].rec)
1140                                 break;
1141                 }
1142                 if (i == SOUND_MIXER_NRDEVICES)
1143                         return 0;
1144                 spin_lock_irqsave(&s->lock, flags);
1145                 frobindir(s, SV_CIMIX_ADCINL, 0x1f, mixtable[i].rec << 5);
1146                 frobindir(s, SV_CIMIX_ADCINR, 0x1f, mixtable[i].rec << 5);
1147                 spin_unlock_irqrestore(&s->lock, flags);
1148                 return 0;
1149
1150         default:
1151                 i = _IOC_NR(cmd);
1152                 if (i >= SOUND_MIXER_NRDEVICES || !mixtable[i].type)
1153                         return -EINVAL;
1154                 if (get_user(val, p))
1155                         return -EFAULT;
1156                 l = val & 0xff;
1157                 r = (val >> 8) & 0xff;
1158                 if (mixtable[i].type == MT_4MUTEMONO)
1159                         l = (r + l) / 2;
1160                 if (l > 100)
1161                         l = 100;
1162                 if (r > 100)
1163                         r = 100;
1164                 spin_lock_irqsave(&s->lock, flags);
1165                 switch (mixtable[i].type) {
1166                 case MT_4:
1167                         if (l >= 10)
1168                                 l -= 10;
1169                         if (r >= 10)
1170                                 r -= 10;
1171                         frobindir(s, mixtable[i].left, 0xf0, l / 6);
1172                         frobindir(s, mixtable[i].right, 0xf0, l / 6);
1173                         break;
1174
1175                 case MT_4MUTEMONO:
1176                         rr = 0;
1177                         if (l < 10)
1178                                 rl = 0x80;
1179                         else {
1180                                 if (l >= 55) {
1181                                         rr = 0x10;
1182                                         l -= 45;
1183                                 }
1184                                 rl = (55 - l) / 3;
1185                         }
1186                         wrindir(s, mixtable[i].left, rl);
1187                         frobindir(s, mixtable[i].right, ~0x10, rr);
1188                         break;
1189
1190                 case MT_5MUTE:
1191                         if (l < 7)
1192                                 rl = 0x80;
1193                         else
1194                                 rl = (100 - l) / 3;
1195                         if (r < 7)
1196                                 rr = 0x80;
1197                         else
1198                                 rr = (100 - r) / 3;
1199                         wrindir(s, mixtable[i].left, rl);
1200                         wrindir(s, mixtable[i].right, rr);
1201                         break;
1202
1203                 case MT_6MUTE:
1204                         if (l < 6)
1205                                 rl = 0x80;
1206                         else
1207                                 rl = (100 - l) * 2 / 3;
1208                         if (r < 6)
1209                                 rr = 0x80;
1210                         else
1211                                 rr = (100 - r) * 2 / 3;
1212                         wrindir(s, mixtable[i].left, rl);
1213                         wrindir(s, mixtable[i].right, rr);
1214                         break;
1215                 }
1216                 spin_unlock_irqrestore(&s->lock, flags);
1217 #ifdef OSS_DOCUMENTED_MIXER_SEMANTICS
1218                 return return_mixval(s, i, p);
1219 #else /* OSS_DOCUMENTED_MIXER_SEMANTICS */
1220                 if (!volidx[i])
1221                         return -EINVAL;
1222                 s->mix.vol[volidx[i]-1] = val;
1223                 return put_user(s->mix.vol[volidx[i]-1], p);
1224 #endif /* OSS_DOCUMENTED_MIXER_SEMANTICS */
1225         }
1226 }
1227
1228 /* --------------------------------------------------------------------- */
1229
1230 static int sv_open_mixdev(struct inode *inode, struct file *file)
1231 {
1232         int minor = iminor(inode);
1233         struct list_head *list;
1234         struct sv_state *s;
1235
1236         for (list = devs.next; ; list = list->next) {
1237                 if (list == &devs)
1238                         return -ENODEV;
1239                 s = list_entry(list, struct sv_state, devs);
1240                 if (s->dev_mixer == minor)
1241                         break;
1242         }
1243         VALIDATE_STATE(s);
1244         file->private_data = s;
1245         return nonseekable_open(inode, file);
1246 }
1247
1248 static int sv_release_mixdev(struct inode *inode, struct file *file)
1249 {
1250         struct sv_state *s = (struct sv_state *)file->private_data;
1251
1252         VALIDATE_STATE(s);
1253         return 0;
1254 }
1255
1256 static int sv_ioctl_mixdev(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
1257 {
1258         return mixer_ioctl((struct sv_state *)file->private_data, cmd, arg);
1259 }
1260
1261 static /*const*/ struct file_operations sv_mixer_fops = {
1262         .owner          = THIS_MODULE,
1263         .llseek         = no_llseek,
1264         .ioctl          = sv_ioctl_mixdev,
1265         .open           = sv_open_mixdev,
1266         .release        = sv_release_mixdev,
1267 };
1268
1269 /* --------------------------------------------------------------------- */
1270
1271 static int drain_dac(struct sv_state *s, int nonblock)
1272 {
1273         DECLARE_WAITQUEUE(wait, current);
1274         unsigned long flags;
1275         int count, tmo;
1276
1277         if (s->dma_dac.mapped || !s->dma_dac.ready)
1278                 return 0;
1279         add_wait_queue(&s->dma_dac.wait, &wait);
1280         for (;;) {
1281                 __set_current_state(TASK_INTERRUPTIBLE);
1282                 spin_lock_irqsave(&s->lock, flags);
1283                 count = s->dma_dac.count;
1284                 spin_unlock_irqrestore(&s->lock, flags);
1285                 if (count <= 0)
1286                         break;
1287                 if (signal_pending(current))
1288                         break;
1289                 if (nonblock) {
1290                         remove_wait_queue(&s->dma_dac.wait, &wait);
1291                         set_current_state(TASK_RUNNING);
1292                         return -EBUSY;
1293                 }
1294                 tmo = 3 * HZ * (count + s->dma_dac.fragsize) / 2 / s->ratedac;
1295                 tmo >>= sample_shift[(s->fmt >> SV_CFMT_ASHIFT) & SV_CFMT_MASK];
1296                 if (!schedule_timeout(tmo + 1))
1297                         printk(KERN_DEBUG "sv: dma timed out??\n");
1298         }
1299         remove_wait_queue(&s->dma_dac.wait, &wait);
1300         set_current_state(TASK_RUNNING);
1301         if (signal_pending(current))
1302                 return -ERESTARTSYS;
1303         return 0;
1304 }
1305
1306 /* --------------------------------------------------------------------- */
1307
1308 static ssize_t sv_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
1309 {
1310         struct sv_state *s = (struct sv_state *)file->private_data;
1311         DECLARE_WAITQUEUE(wait, current);
1312         ssize_t ret;
1313         unsigned long flags;
1314         unsigned swptr;
1315         int cnt;
1316
1317         VALIDATE_STATE(s);
1318         if (s->dma_adc.mapped)
1319                 return -ENXIO;
1320         if (!s->dma_adc.ready && (ret = prog_dmabuf(s, 1)))
1321                 return ret;
1322         if (!access_ok(VERIFY_WRITE, buffer, count))
1323                 return -EFAULT;
1324         ret = 0;
1325 #if 0
1326         spin_lock_irqsave(&s->lock, flags);
1327         sv_update_ptr(s);
1328         spin_unlock_irqrestore(&s->lock, flags);
1329 #endif
1330         add_wait_queue(&s->dma_adc.wait, &wait);
1331         while (count > 0) {
1332                 spin_lock_irqsave(&s->lock, flags);
1333                 swptr = s->dma_adc.swptr;
1334                 cnt = s->dma_adc.dmasize-swptr;
1335                 if (s->dma_adc.count < cnt)
1336                         cnt = s->dma_adc.count;
1337                 if (cnt <= 0)
1338                         __set_current_state(TASK_INTERRUPTIBLE);
1339                 spin_unlock_irqrestore(&s->lock, flags);
1340                 if (cnt > count)
1341                         cnt = count;
1342                 if (cnt <= 0) {
1343                         if (s->dma_adc.enabled)
1344                                 start_adc(s);
1345                         if (file->f_flags & O_NONBLOCK) {
1346                                 if (!ret)
1347                                         ret = -EAGAIN;
1348                                 break;
1349                         }
1350                         if (!schedule_timeout(HZ)) {
1351                                 printk(KERN_DEBUG "sv: read: chip lockup? dmasz %u fragsz %u count %i hwptr %u swptr %u\n",
1352                                        s->dma_adc.dmasize, s->dma_adc.fragsize, s->dma_adc.count,
1353                                        s->dma_adc.hwptr, s->dma_adc.swptr);
1354                                 stop_adc(s);
1355                                 spin_lock_irqsave(&s->lock, flags);
1356                                 set_dmac(s, virt_to_bus(s->dma_adc.rawbuf), s->dma_adc.numfrag << s->dma_adc.fragshift);
1357                                 /* program enhanced mode registers */
1358                                 wrindir(s, SV_CIDMACBASECOUNT1, (s->dma_adc.fragsamples-1) >> 8);
1359                                 wrindir(s, SV_CIDMACBASECOUNT0, s->dma_adc.fragsamples-1);
1360                                 s->dma_adc.count = s->dma_adc.hwptr = s->dma_adc.swptr = 0;
1361                                 spin_unlock_irqrestore(&s->lock, flags);
1362                         }
1363                         if (signal_pending(current)) {
1364                                 if (!ret)
1365                                         ret = -ERESTARTSYS;
1366                                 break;
1367                         }
1368                         continue;
1369                 }
1370                 if (copy_to_user(buffer, s->dma_adc.rawbuf + swptr, cnt)) {
1371                         if (!ret)
1372                                 ret = -EFAULT;
1373                         break;
1374                 }
1375                 swptr = (swptr + cnt) % s->dma_adc.dmasize;
1376                 spin_lock_irqsave(&s->lock, flags);
1377                 s->dma_adc.swptr = swptr;
1378                 s->dma_adc.count -= cnt;
1379                 spin_unlock_irqrestore(&s->lock, flags);
1380                 count -= cnt;
1381                 buffer += cnt;
1382                 ret += cnt;
1383                 if (s->dma_adc.enabled)
1384                         start_adc(s);
1385         }
1386         remove_wait_queue(&s->dma_adc.wait, &wait);
1387         set_current_state(TASK_RUNNING);
1388         return ret;
1389 }
1390
1391 static ssize_t sv_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos)
1392 {
1393         struct sv_state *s = (struct sv_state *)file->private_data;
1394         DECLARE_WAITQUEUE(wait, current);
1395         ssize_t ret;
1396         unsigned long flags;
1397         unsigned swptr;
1398         int cnt;
1399
1400         VALIDATE_STATE(s);
1401         if (s->dma_dac.mapped)
1402                 return -ENXIO;
1403         if (!s->dma_dac.ready && (ret = prog_dmabuf(s, 0)))
1404                 return ret;
1405         if (!access_ok(VERIFY_READ, buffer, count))
1406                 return -EFAULT;
1407         ret = 0;
1408 #if 0
1409         spin_lock_irqsave(&s->lock, flags);
1410         sv_update_ptr(s);
1411         spin_unlock_irqrestore(&s->lock, flags);
1412 #endif
1413         add_wait_queue(&s->dma_dac.wait, &wait);
1414         while (count > 0) {
1415                 spin_lock_irqsave(&s->lock, flags);
1416                 if (s->dma_dac.count < 0) {
1417                         s->dma_dac.count = 0;
1418                         s->dma_dac.swptr = s->dma_dac.hwptr;
1419                 }
1420                 swptr = s->dma_dac.swptr;
1421                 cnt = s->dma_dac.dmasize-swptr;
1422                 if (s->dma_dac.count + cnt > s->dma_dac.dmasize)
1423                         cnt = s->dma_dac.dmasize - s->dma_dac.count;
1424                 if (cnt <= 0)
1425                         __set_current_state(TASK_INTERRUPTIBLE);
1426                 spin_unlock_irqrestore(&s->lock, flags);
1427                 if (cnt > count)
1428                         cnt = count;
1429                 if (cnt <= 0) {
1430                         if (s->dma_dac.enabled)
1431                                 start_dac(s);
1432                         if (file->f_flags & O_NONBLOCK) {
1433                                 if (!ret)
1434                                         ret = -EAGAIN;
1435                                 break;
1436                         }
1437                         if (!schedule_timeout(HZ)) {
1438                                 printk(KERN_DEBUG "sv: write: chip lockup? dmasz %u fragsz %u count %i hwptr %u swptr %u\n",
1439                                        s->dma_dac.dmasize, s->dma_dac.fragsize, s->dma_dac.count,
1440                                        s->dma_dac.hwptr, s->dma_dac.swptr);
1441                                 stop_dac(s);
1442                                 spin_lock_irqsave(&s->lock, flags);
1443                                 set_dmaa(s, virt_to_bus(s->dma_dac.rawbuf), s->dma_dac.numfrag << s->dma_dac.fragshift);
1444                                 /* program enhanced mode registers */
1445                                 wrindir(s, SV_CIDMAABASECOUNT1, (s->dma_dac.fragsamples-1) >> 8);
1446                                 wrindir(s, SV_CIDMAABASECOUNT0, s->dma_dac.fragsamples-1);
1447                                 s->dma_dac.count = s->dma_dac.hwptr = s->dma_dac.swptr = 0;
1448                                 spin_unlock_irqrestore(&s->lock, flags);
1449                         }
1450                         if (signal_pending(current)) {
1451                                 if (!ret)
1452                                         ret = -ERESTARTSYS;
1453                                 break;
1454                         }
1455                         continue;
1456                 }
1457                 if (copy_from_user(s->dma_dac.rawbuf + swptr, buffer, cnt)) {
1458                         if (!ret)
1459                                 ret = -EFAULT;
1460                         break;
1461                 }
1462                 swptr = (swptr + cnt) % s->dma_dac.dmasize;
1463                 spin_lock_irqsave(&s->lock, flags);
1464                 s->dma_dac.swptr = swptr;
1465                 s->dma_dac.count += cnt;
1466                 s->dma_dac.endcleared = 0;
1467                 spin_unlock_irqrestore(&s->lock, flags);
1468                 count -= cnt;
1469                 buffer += cnt;
1470                 ret += cnt;
1471                 if (s->dma_dac.enabled)
1472                         start_dac(s);
1473         }
1474         remove_wait_queue(&s->dma_dac.wait, &wait);
1475         set_current_state(TASK_RUNNING);
1476         return ret;
1477 }
1478
1479 /* No kernel lock - we have our own spinlock */
1480 static unsigned int sv_poll(struct file *file, struct poll_table_struct *wait)
1481 {
1482         struct sv_state *s = (struct sv_state *)file->private_data;
1483         unsigned long flags;
1484         unsigned int mask = 0;
1485
1486         VALIDATE_STATE(s);
1487         if (file->f_mode & FMODE_WRITE) {
1488                 if (!s->dma_dac.ready && prog_dmabuf(s, 1))
1489                         return 0;
1490                 poll_wait(file, &s->dma_dac.wait, wait);
1491         }
1492         if (file->f_mode & FMODE_READ) {
1493                 if (!s->dma_adc.ready && prog_dmabuf(s, 0))
1494                         return 0;
1495                 poll_wait(file, &s->dma_adc.wait, wait);
1496         }
1497         spin_lock_irqsave(&s->lock, flags);
1498         sv_update_ptr(s);
1499         if (file->f_mode & FMODE_READ) {
1500                 if (s->dma_adc.count >= (signed)s->dma_adc.fragsize)
1501                         mask |= POLLIN | POLLRDNORM;
1502         }
1503         if (file->f_mode & FMODE_WRITE) {
1504                 if (s->dma_dac.mapped) {
1505                         if (s->dma_dac.count >= (signed)s->dma_dac.fragsize)
1506                                 mask |= POLLOUT | POLLWRNORM;
1507                 } else {
1508                         if ((signed)s->dma_dac.dmasize >= s->dma_dac.count + (signed)s->dma_dac.fragsize)
1509                                 mask |= POLLOUT | POLLWRNORM;
1510                 }
1511         }
1512         spin_unlock_irqrestore(&s->lock, flags);
1513         return mask;
1514 }
1515
1516 static int sv_mmap(struct file *file, struct vm_area_struct *vma)
1517 {
1518         struct sv_state *s = (struct sv_state *)file->private_data;
1519         struct dmabuf *db;
1520         int ret = -EINVAL;
1521         unsigned long size;
1522
1523         VALIDATE_STATE(s);
1524         lock_kernel();
1525         if (vma->vm_flags & VM_WRITE) {
1526                 if ((ret = prog_dmabuf(s, 1)) != 0)
1527                         goto out;
1528                 db = &s->dma_dac;
1529         } else if (vma->vm_flags & VM_READ) {
1530                 if ((ret = prog_dmabuf(s, 0)) != 0)
1531                         goto out;
1532                 db = &s->dma_adc;
1533         } else
1534                 goto out;
1535         ret = -EINVAL;
1536         if (vma->vm_pgoff != 0)
1537                 goto out;
1538         size = vma->vm_end - vma->vm_start;
1539         if (size > (PAGE_SIZE << db->buforder))
1540                 goto out;
1541         ret = -EAGAIN;
1542         if (remap_pfn_range(vma, vma->vm_start,
1543                                 virt_to_phys(db->rawbuf) >> PAGE_SHIFT,
1544                                 size, vma->vm_page_prot))
1545                 goto out;
1546         db->mapped = 1;
1547         ret = 0;
1548 out:
1549         unlock_kernel();
1550         return ret;
1551 }
1552
1553 static int sv_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
1554 {
1555         struct sv_state *s = (struct sv_state *)file->private_data;
1556         unsigned long flags;
1557         audio_buf_info abinfo;
1558         count_info cinfo;
1559         int count;
1560         int val, mapped, ret;
1561         unsigned char fmtm, fmtd;
1562         void __user *argp = (void __user *)arg;
1563         int __user *p = argp;
1564
1565         VALIDATE_STATE(s);
1566         mapped = ((file->f_mode & FMODE_WRITE) && s->dma_dac.mapped) ||
1567                 ((file->f_mode & FMODE_READ) && s->dma_adc.mapped);
1568         switch (cmd) {
1569         case OSS_GETVERSION:
1570                 return put_user(SOUND_VERSION, p);
1571
1572         case SNDCTL_DSP_SYNC:
1573                 if (file->f_mode & FMODE_WRITE)
1574                         return drain_dac(s, 0/*file->f_flags & O_NONBLOCK*/);
1575                 return 0;
1576
1577         case SNDCTL_DSP_SETDUPLEX:
1578                 return 0;
1579
1580         case SNDCTL_DSP_GETCAPS:
1581                 return put_user(DSP_CAP_DUPLEX | DSP_CAP_REALTIME | DSP_CAP_TRIGGER | DSP_CAP_MMAP, p);
1582
1583         case SNDCTL_DSP_RESET:
1584                 if (file->f_mode & FMODE_WRITE) {
1585                         stop_dac(s);
1586                         synchronize_irq(s->irq);
1587                         s->dma_dac.swptr = s->dma_dac.hwptr = s->dma_dac.count = s->dma_dac.total_bytes = 0;
1588                 }
1589                 if (file->f_mode & FMODE_READ) {
1590                         stop_adc(s);
1591                         synchronize_irq(s->irq);
1592                         s->dma_adc.swptr = s->dma_adc.hwptr = s->dma_adc.count = s->dma_adc.total_bytes = 0;
1593                 }
1594                 return 0;
1595
1596         case SNDCTL_DSP_SPEED:
1597                 if (get_user(val, p))
1598                         return -EFAULT;
1599                 if (val >= 0) {
1600                         if (file->f_mode & FMODE_READ) {
1601                                 stop_adc(s);
1602                                 s->dma_adc.ready = 0;
1603                                 set_adc_rate(s, val);
1604                         }
1605                         if (file->f_mode & FMODE_WRITE) {
1606                                 stop_dac(s);
1607                                 s->dma_dac.ready = 0;
1608                                 set_dac_rate(s, val);
1609                         }
1610                 }
1611                 return put_user((file->f_mode & FMODE_READ) ? s->rateadc : s->ratedac, p);
1612
1613         case SNDCTL_DSP_STEREO:
1614                 if (get_user(val, p))
1615                         return -EFAULT;
1616                 fmtd = 0;
1617                 fmtm = ~0;
1618                 if (file->f_mode & FMODE_READ) {
1619                         stop_adc(s);
1620                         s->dma_adc.ready = 0;
1621                         if (val)
1622                                 fmtd |= SV_CFMT_STEREO << SV_CFMT_CSHIFT;
1623                         else
1624                                 fmtm &= ~(SV_CFMT_STEREO << SV_CFMT_CSHIFT);
1625                 }
1626                 if (file->f_mode & FMODE_WRITE) {
1627                         stop_dac(s);
1628                         s->dma_dac.ready = 0;
1629                         if (val)
1630                                 fmtd |= SV_CFMT_STEREO << SV_CFMT_ASHIFT;
1631                         else
1632                                 fmtm &= ~(SV_CFMT_STEREO << SV_CFMT_ASHIFT);
1633                 }
1634                 set_fmt(s, fmtm, fmtd);
1635                 return 0;
1636
1637         case SNDCTL_DSP_CHANNELS:
1638                 if (get_user(val, p))
1639                         return -EFAULT;
1640                 if (val != 0) {
1641                         fmtd = 0;
1642                         fmtm = ~0;
1643                         if (file->f_mode & FMODE_READ) {
1644                                 stop_adc(s);
1645                                 s->dma_adc.ready = 0;
1646                                 if (val >= 2)
1647                                         fmtd |= SV_CFMT_STEREO << SV_CFMT_CSHIFT;
1648                                 else
1649                                         fmtm &= ~(SV_CFMT_STEREO << SV_CFMT_CSHIFT);
1650                         }
1651                         if (file->f_mode & FMODE_WRITE) {
1652                                 stop_dac(s);
1653                                 s->dma_dac.ready = 0;
1654                                 if (val >= 2)
1655                                         fmtd |= SV_CFMT_STEREO << SV_CFMT_ASHIFT;
1656                                 else
1657                                         fmtm &= ~(SV_CFMT_STEREO << SV_CFMT_ASHIFT);
1658                         }
1659                         set_fmt(s, fmtm, fmtd);
1660                 }
1661                 return put_user((s->fmt & ((file->f_mode & FMODE_READ) ? (SV_CFMT_STEREO << SV_CFMT_CSHIFT)
1662                                            : (SV_CFMT_STEREO << SV_CFMT_ASHIFT))) ? 2 : 1, p);
1663
1664         case SNDCTL_DSP_GETFMTS: /* Returns a mask */
1665                 return put_user(AFMT_S16_LE|AFMT_U8, p);
1666
1667         case SNDCTL_DSP_SETFMT: /* Selects ONE fmt*/
1668                 if (get_user(val, p))
1669                         return -EFAULT;
1670                 if (val != AFMT_QUERY) {
1671                         fmtd = 0;
1672                         fmtm = ~0;
1673                         if (file->f_mode & FMODE_READ) {
1674                                 stop_adc(s);
1675                                 s->dma_adc.ready = 0;
1676                                 if (val == AFMT_S16_LE)
1677                                         fmtd |= SV_CFMT_16BIT << SV_CFMT_CSHIFT;
1678                                 else
1679                                         fmtm &= ~(SV_CFMT_16BIT << SV_CFMT_CSHIFT);
1680                         }
1681                         if (file->f_mode & FMODE_WRITE) {
1682                                 stop_dac(s);
1683                                 s->dma_dac.ready = 0;
1684                                 if (val == AFMT_S16_LE)
1685                                         fmtd |= SV_CFMT_16BIT << SV_CFMT_ASHIFT;
1686                                 else
1687                                         fmtm &= ~(SV_CFMT_16BIT << SV_CFMT_ASHIFT);
1688                         }
1689                         set_fmt(s, fmtm, fmtd);
1690                 }
1691                 return put_user((s->fmt & ((file->f_mode & FMODE_READ) ? (SV_CFMT_16BIT << SV_CFMT_CSHIFT)
1692                                            : (SV_CFMT_16BIT << SV_CFMT_ASHIFT))) ? AFMT_S16_LE : AFMT_U8, p);
1693
1694         case SNDCTL_DSP_POST:
1695                 return 0;
1696
1697         case SNDCTL_DSP_GETTRIGGER:
1698                 val = 0;
1699                 if (file->f_mode & FMODE_READ && s->enable & SV_CENABLE_RE)
1700                         val |= PCM_ENABLE_INPUT;
1701                 if (file->f_mode & FMODE_WRITE && s->enable & SV_CENABLE_PE)
1702                         val |= PCM_ENABLE_OUTPUT;
1703                 return put_user(val, p);
1704
1705         case SNDCTL_DSP_SETTRIGGER:
1706                 if (get_user(val, p))
1707                         return -EFAULT;
1708                 if (file->f_mode & FMODE_READ) {
1709                         if (val & PCM_ENABLE_INPUT) {
1710                                 if (!s->dma_adc.ready && (ret =  prog_dmabuf(s, 1)))
1711                                         return ret;
1712                                 s->dma_adc.enabled = 1;
1713                                 start_adc(s);
1714                         } else {
1715                                 s->dma_adc.enabled = 0;
1716                                 stop_adc(s);
1717                         }
1718                 }
1719                 if (file->f_mode & FMODE_WRITE) {
1720                         if (val & PCM_ENABLE_OUTPUT) {
1721                                 if (!s->dma_dac.ready && (ret = prog_dmabuf(s, 0)))
1722                                         return ret;
1723                                 s->dma_dac.enabled = 1;
1724                                 start_dac(s);
1725                         } else {
1726                                 s->dma_dac.enabled = 0;
1727                                 stop_dac(s);
1728                         }
1729                 }
1730                 return 0;
1731
1732         case SNDCTL_DSP_GETOSPACE:
1733                 if (!(file->f_mode & FMODE_WRITE))
1734                         return -EINVAL;
1735                 if (!s->dma_dac.ready && (val = prog_dmabuf(s, 0)) != 0)
1736                         return val;
1737                 spin_lock_irqsave(&s->lock, flags);
1738                 sv_update_ptr(s);
1739                 abinfo.fragsize = s->dma_dac.fragsize;
1740                 count = s->dma_dac.count;
1741                 if (count < 0)
1742                         count = 0;
1743                 abinfo.bytes = s->dma_dac.dmasize - count;
1744                 abinfo.fragstotal = s->dma_dac.numfrag;
1745                 abinfo.fragments = abinfo.bytes >> s->dma_dac.fragshift;
1746                 spin_unlock_irqrestore(&s->lock, flags);
1747                 return copy_to_user(argp, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
1748
1749         case SNDCTL_DSP_GETISPACE:
1750                 if (!(file->f_mode & FMODE_READ))
1751                         return -EINVAL;
1752                 if (!s->dma_adc.ready && (val = prog_dmabuf(s, 1)) != 0)
1753                         return val;
1754                 spin_lock_irqsave(&s->lock, flags);
1755                 sv_update_ptr(s);
1756                 abinfo.fragsize = s->dma_adc.fragsize;
1757                 count = s->dma_adc.count;
1758                 if (count < 0)
1759                         count = 0;
1760                 abinfo.bytes = count;
1761                 abinfo.fragstotal = s->dma_adc.numfrag;
1762                 abinfo.fragments = abinfo.bytes >> s->dma_adc.fragshift;
1763                 spin_unlock_irqrestore(&s->lock, flags);
1764                 return copy_to_user(argp, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
1765
1766         case SNDCTL_DSP_NONBLOCK:
1767                 file->f_flags |= O_NONBLOCK;
1768                 return 0;
1769
1770         case SNDCTL_DSP_GETODELAY:
1771                 if (!(file->f_mode & FMODE_WRITE))
1772                         return -EINVAL;
1773                 if (!s->dma_dac.ready && (val = prog_dmabuf(s, 0)) != 0)
1774                         return val;
1775                 spin_lock_irqsave(&s->lock, flags);
1776                 sv_update_ptr(s);
1777                 count = s->dma_dac.count;
1778                 spin_unlock_irqrestore(&s->lock, flags);
1779                 if (count < 0)
1780                         count = 0;
1781                 return put_user(count, p);
1782
1783         case SNDCTL_DSP_GETIPTR:
1784                 if (!(file->f_mode & FMODE_READ))
1785                         return -EINVAL;
1786                 if (!s->dma_adc.ready && (val = prog_dmabuf(s, 1)) != 0)
1787                         return val;
1788                 spin_lock_irqsave(&s->lock, flags);
1789                 sv_update_ptr(s);
1790                 cinfo.bytes = s->dma_adc.total_bytes;
1791                 count = s->dma_adc.count;
1792                 if (count < 0)
1793                         count = 0;
1794                 cinfo.blocks = count >> s->dma_adc.fragshift;
1795                 cinfo.ptr = s->dma_adc.hwptr;
1796                 if (s->dma_adc.mapped)
1797                         s->dma_adc.count &= s->dma_adc.fragsize-1;
1798                 spin_unlock_irqrestore(&s->lock, flags);
1799                 if (copy_to_user(argp, &cinfo, sizeof(cinfo)))
1800                         return -EFAULT;
1801                 return 0;
1802
1803         case SNDCTL_DSP_GETOPTR:
1804                 if (!(file->f_mode & FMODE_WRITE))
1805                         return -EINVAL;
1806                 if (!s->dma_dac.ready && (val = prog_dmabuf(s, 0)) != 0)
1807                         return val;
1808                 spin_lock_irqsave(&s->lock, flags);
1809                 sv_update_ptr(s);
1810                 cinfo.bytes = s->dma_dac.total_bytes;
1811                 count = s->dma_dac.count;
1812                 if (count < 0)
1813                         count = 0;
1814                 cinfo.blocks = count >> s->dma_dac.fragshift;
1815                 cinfo.ptr = s->dma_dac.hwptr;
1816                 if (s->dma_dac.mapped)
1817                         s->dma_dac.count &= s->dma_dac.fragsize-1;
1818                 spin_unlock_irqrestore(&s->lock, flags);
1819                 if (copy_to_user(argp, &cinfo, sizeof(cinfo)))
1820                         return -EFAULT;
1821                 return 0;
1822
1823         case SNDCTL_DSP_GETBLKSIZE:
1824                 if (file->f_mode & FMODE_WRITE) {
1825                         if ((val = prog_dmabuf(s, 0)))
1826                                 return val;
1827                         return put_user(s->dma_dac.fragsize, p);
1828                 }
1829                 if ((val = prog_dmabuf(s, 1)))
1830                         return val;
1831                 return put_user(s->dma_adc.fragsize, p);
1832
1833         case SNDCTL_DSP_SETFRAGMENT:
1834                 if (get_user(val, p))
1835                         return -EFAULT;
1836                 if (file->f_mode & FMODE_READ) {
1837                         s->dma_adc.ossfragshift = val & 0xffff;
1838                         s->dma_adc.ossmaxfrags = (val >> 16) & 0xffff;
1839                         if (s->dma_adc.ossfragshift < 4)
1840                                 s->dma_adc.ossfragshift = 4;
1841                         if (s->dma_adc.ossfragshift > 15)
1842                                 s->dma_adc.ossfragshift = 15;
1843                         if (s->dma_adc.ossmaxfrags < 4)
1844                                 s->dma_adc.ossmaxfrags = 4;
1845                 }
1846                 if (file->f_mode & FMODE_WRITE) {
1847                         s->dma_dac.ossfragshift = val & 0xffff;
1848                         s->dma_dac.ossmaxfrags = (val >> 16) & 0xffff;
1849                         if (s->dma_dac.ossfragshift < 4)
1850                                 s->dma_dac.ossfragshift = 4;
1851                         if (s->dma_dac.ossfragshift > 15)
1852                                 s->dma_dac.ossfragshift = 15;
1853                         if (s->dma_dac.ossmaxfrags < 4)
1854                                 s->dma_dac.ossmaxfrags = 4;
1855                 }
1856                 return 0;
1857
1858         case SNDCTL_DSP_SUBDIVIDE:
1859                 if ((file->f_mode & FMODE_READ && s->dma_adc.subdivision) ||
1860                     (file->f_mode & FMODE_WRITE && s->dma_dac.subdivision))
1861                         return -EINVAL;
1862                 if (get_user(val, p))
1863                         return -EFAULT;
1864                 if (val != 1 && val != 2 && val != 4)
1865                         return -EINVAL;
1866                 if (file->f_mode & FMODE_READ)
1867                         s->dma_adc.subdivision = val;
1868                 if (file->f_mode & FMODE_WRITE)
1869                         s->dma_dac.subdivision = val;
1870                 return 0;
1871
1872         case SOUND_PCM_READ_RATE:
1873                 return put_user((file->f_mode & FMODE_READ) ? s->rateadc : s->ratedac, p);
1874
1875         case SOUND_PCM_READ_CHANNELS:
1876                 return put_user((s->fmt & ((file->f_mode & FMODE_READ) ? (SV_CFMT_STEREO << SV_CFMT_CSHIFT)
1877                                            : (SV_CFMT_STEREO << SV_CFMT_ASHIFT))) ? 2 : 1, p);
1878
1879         case SOUND_PCM_READ_BITS:
1880                 return put_user((s->fmt & ((file->f_mode & FMODE_READ) ? (SV_CFMT_16BIT << SV_CFMT_CSHIFT)
1881                                            : (SV_CFMT_16BIT << SV_CFMT_ASHIFT))) ? 16 : 8, p);
1882
1883         case SOUND_PCM_WRITE_FILTER:
1884         case SNDCTL_DSP_SETSYNCRO:
1885         case SOUND_PCM_READ_FILTER:
1886                 return -EINVAL;
1887
1888         }
1889         return mixer_ioctl(s, cmd, arg);
1890 }
1891
1892 static int sv_open(struct inode *inode, struct file *file)
1893 {
1894         int minor = iminor(inode);
1895         DECLARE_WAITQUEUE(wait, current);
1896         unsigned char fmtm = ~0, fmts = 0;
1897         struct list_head *list;
1898         struct sv_state *s;
1899
1900         for (list = devs.next; ; list = list->next) {
1901                 if (list == &devs)
1902                         return -ENODEV;
1903                 s = list_entry(list, struct sv_state, devs);
1904                 if (!((s->dev_audio ^ minor) & ~0xf))
1905                         break;
1906         }
1907         VALIDATE_STATE(s);
1908         file->private_data = s;
1909         /* wait for device to become free */
1910         mutex_lock(&s->open_mutex);
1911         while (s->open_mode & file->f_mode) {
1912                 if (file->f_flags & O_NONBLOCK) {
1913                         mutex_unlock(&s->open_mutex);
1914                         return -EBUSY;
1915                 }
1916                 add_wait_queue(&s->open_wait, &wait);
1917                 __set_current_state(TASK_INTERRUPTIBLE);
1918                 mutex_unlock(&s->open_mutex);
1919                 schedule();
1920                 remove_wait_queue(&s->open_wait, &wait);
1921                 set_current_state(TASK_RUNNING);
1922                 if (signal_pending(current))
1923                         return -ERESTARTSYS;
1924                 mutex_lock(&s->open_mutex);
1925         }
1926         if (file->f_mode & FMODE_READ) {
1927                 fmtm &= ~((SV_CFMT_STEREO | SV_CFMT_16BIT) << SV_CFMT_CSHIFT);
1928                 if ((minor & 0xf) == SND_DEV_DSP16)
1929                         fmts |= SV_CFMT_16BIT << SV_CFMT_CSHIFT;
1930                 s->dma_adc.ossfragshift = s->dma_adc.ossmaxfrags = s->dma_adc.subdivision = 0;
1931                 s->dma_adc.enabled = 1;
1932                 set_adc_rate(s, 8000);
1933         }
1934         if (file->f_mode & FMODE_WRITE) {
1935                 fmtm &= ~((SV_CFMT_STEREO | SV_CFMT_16BIT) << SV_CFMT_ASHIFT);
1936                 if ((minor & 0xf) == SND_DEV_DSP16)
1937                         fmts |= SV_CFMT_16BIT << SV_CFMT_ASHIFT;
1938                 s->dma_dac.ossfragshift = s->dma_dac.ossmaxfrags = s->dma_dac.subdivision = 0;
1939                 s->dma_dac.enabled = 1;
1940                 set_dac_rate(s, 8000);
1941         }
1942         set_fmt(s, fmtm, fmts);
1943         s->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
1944         mutex_unlock(&s->open_mutex);
1945         return nonseekable_open(inode, file);
1946 }
1947
1948 static int sv_release(struct inode *inode, struct file *file)
1949 {
1950         struct sv_state *s = (struct sv_state *)file->private_data;
1951
1952         VALIDATE_STATE(s);
1953         lock_kernel();
1954         if (file->f_mode & FMODE_WRITE)
1955                 drain_dac(s, file->f_flags & O_NONBLOCK);
1956         mutex_lock(&s->open_mutex);
1957         if (file->f_mode & FMODE_WRITE) {
1958                 stop_dac(s);
1959                 dealloc_dmabuf(s, &s->dma_dac);
1960         }
1961         if (file->f_mode & FMODE_READ) {
1962                 stop_adc(s);
1963                 dealloc_dmabuf(s, &s->dma_adc);
1964         }
1965         s->open_mode &= ~(file->f_mode & (FMODE_READ|FMODE_WRITE));
1966         wake_up(&s->open_wait);
1967         mutex_unlock(&s->open_mutex);
1968         unlock_kernel();
1969         return 0;
1970 }
1971
1972 static /*const*/ struct file_operations sv_audio_fops = {
1973         .owner          = THIS_MODULE,
1974         .llseek         = no_llseek,
1975         .read           = sv_read,
1976         .write          = sv_write,
1977         .poll           = sv_poll,
1978         .ioctl          = sv_ioctl,
1979         .mmap           = sv_mmap,
1980         .open           = sv_open,
1981         .release        = sv_release,
1982 };
1983
1984 /* --------------------------------------------------------------------- */
1985
1986 static ssize_t sv_midi_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
1987 {
1988         struct sv_state *s = (struct sv_state *)file->private_data;
1989         DECLARE_WAITQUEUE(wait, current);
1990         ssize_t ret;
1991         unsigned long flags;
1992         unsigned ptr;
1993         int cnt;
1994
1995         VALIDATE_STATE(s);
1996         if (!access_ok(VERIFY_WRITE, buffer, count))
1997                 return -EFAULT;
1998         if (count == 0)
1999                 return 0;
2000         ret = 0;
2001         add_wait_queue(&s->midi.iwait, &wait);
2002         while (count > 0) {
2003                 spin_lock_irqsave(&s->lock, flags);
2004                 ptr = s->midi.ird;
2005                 cnt = MIDIINBUF - ptr;
2006                 if (s->midi.icnt < cnt)
2007                         cnt = s->midi.icnt;
2008                 if (cnt <= 0)
2009                       __set_current_state(TASK_INTERRUPTIBLE);
2010                 spin_unlock_irqrestore(&s->lock, flags);
2011                 if (cnt > count)
2012                         cnt = count;
2013                 if (cnt <= 0) {
2014                       if (file->f_flags & O_NONBLOCK) {
2015                               if (!ret)
2016                                       ret = -EAGAIN;
2017                               break;
2018                       }
2019                       schedule();
2020                       if (signal_pending(current)) {
2021                               if (!ret)
2022                                       ret = -ERESTARTSYS;
2023                               break;
2024                       }
2025                         continue;
2026                 }
2027                 if (copy_to_user(buffer, s->midi.ibuf + ptr, cnt)) {
2028                         if (!ret)
2029                                 ret = -EFAULT;
2030                         break;
2031                 }
2032                 ptr = (ptr + cnt) % MIDIINBUF;
2033                 spin_lock_irqsave(&s->lock, flags);
2034                 s->midi.ird = ptr;
2035                 s->midi.icnt -= cnt;
2036                 spin_unlock_irqrestore(&s->lock, flags);
2037                 count -= cnt;
2038                 buffer += cnt;
2039                 ret += cnt;
2040                 break;
2041         }
2042         __set_current_state(TASK_RUNNING);
2043         remove_wait_queue(&s->midi.iwait, &wait);
2044         return ret;
2045 }
2046
2047 static ssize_t sv_midi_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos)
2048 {
2049         struct sv_state *s = (struct sv_state *)file->private_data;
2050         DECLARE_WAITQUEUE(wait, current);
2051         ssize_t ret;
2052         unsigned long flags;
2053         unsigned ptr;
2054         int cnt;
2055
2056         VALIDATE_STATE(s);
2057         if (!access_ok(VERIFY_READ, buffer, count))
2058                 return -EFAULT;
2059         if (count == 0)
2060                 return 0;
2061         ret = 0;
2062         add_wait_queue(&s->midi.owait, &wait);
2063         while (count > 0) {
2064                 spin_lock_irqsave(&s->lock, flags);
2065                 ptr = s->midi.owr;
2066                 cnt = MIDIOUTBUF - ptr;
2067                 if (s->midi.ocnt + cnt > MIDIOUTBUF)
2068                         cnt = MIDIOUTBUF - s->midi.ocnt;
2069                 if (cnt <= 0) {
2070                         __set_current_state(TASK_INTERRUPTIBLE);
2071                         sv_handle_midi(s);
2072                 }
2073                 spin_unlock_irqrestore(&s->lock, flags);
2074                 if (cnt > count)
2075                         cnt = count;
2076                 if (cnt <= 0) {
2077                         if (file->f_flags & O_NONBLOCK) {
2078                                 if (!ret)
2079                                         ret = -EAGAIN;
2080                                 break;
2081                         }
2082                         schedule();
2083                         if (signal_pending(current)) {
2084                                 if (!ret)
2085                                         ret = -ERESTARTSYS;
2086                                 break;
2087                         }
2088                         continue;
2089                 }
2090                 if (copy_from_user(s->midi.obuf + ptr, buffer, cnt)) {
2091                         if (!ret)
2092                                 ret = -EFAULT;
2093                         break;
2094                 }
2095                 ptr = (ptr + cnt) % MIDIOUTBUF;
2096                 spin_lock_irqsave(&s->lock, flags);
2097                 s->midi.owr = ptr;
2098                 s->midi.ocnt += cnt;
2099                 spin_unlock_irqrestore(&s->lock, flags);
2100                 count -= cnt;
2101                 buffer += cnt;
2102                 ret += cnt;
2103                 spin_lock_irqsave(&s->lock, flags);
2104                 sv_handle_midi(s);
2105                 spin_unlock_irqrestore(&s->lock, flags);
2106         }
2107         __set_current_state(TASK_RUNNING);
2108         remove_wait_queue(&s->midi.owait, &wait);
2109         return ret;
2110 }
2111
2112 /* No kernel lock - we have our own spinlock */
2113 static unsigned int sv_midi_poll(struct file *file, struct poll_table_struct *wait)
2114 {
2115         struct sv_state *s = (struct sv_state *)file->private_data;
2116         unsigned long flags;
2117         unsigned int mask = 0;
2118
2119         VALIDATE_STATE(s);
2120         if (file->f_mode & FMODE_WRITE)
2121                 poll_wait(file, &s->midi.owait, wait);
2122         if (file->f_mode & FMODE_READ)
2123                 poll_wait(file, &s->midi.iwait, wait);
2124         spin_lock_irqsave(&s->lock, flags);
2125         if (file->f_mode & FMODE_READ) {
2126                 if (s->midi.icnt > 0)
2127                         mask |= POLLIN | POLLRDNORM;
2128         }
2129         if (file->f_mode & FMODE_WRITE) {
2130                 if (s->midi.ocnt < MIDIOUTBUF)
2131                         mask |= POLLOUT | POLLWRNORM;
2132         }
2133         spin_unlock_irqrestore(&s->lock, flags);
2134         return mask;
2135 }
2136
2137 static int sv_midi_open(struct inode *inode, struct file *file)
2138 {
2139         int minor = iminor(inode);
2140         DECLARE_WAITQUEUE(wait, current);
2141         unsigned long flags;
2142         struct list_head *list;
2143         struct sv_state *s;
2144
2145         for (list = devs.next; ; list = list->next) {
2146                 if (list == &devs)
2147                         return -ENODEV;
2148                 s = list_entry(list, struct sv_state, devs);
2149                 if (s->dev_midi == minor)
2150                         break;
2151         }
2152         VALIDATE_STATE(s);
2153         file->private_data = s;
2154         /* wait for device to become free */
2155         mutex_lock(&s->open_mutex);
2156         while (s->open_mode & (file->f_mode << FMODE_MIDI_SHIFT)) {
2157                 if (file->f_flags & O_NONBLOCK) {
2158                         mutex_unlock(&s->open_mutex);
2159                         return -EBUSY;
2160                 }
2161                 add_wait_queue(&s->open_wait, &wait);
2162                 __set_current_state(TASK_INTERRUPTIBLE);
2163                 mutex_unlock(&s->open_mutex);
2164                 schedule();
2165                 remove_wait_queue(&s->open_wait, &wait);
2166                 set_current_state(TASK_RUNNING);
2167                 if (signal_pending(current))
2168                         return -ERESTARTSYS;
2169                 mutex_lock(&s->open_mutex);
2170         }
2171         spin_lock_irqsave(&s->lock, flags);
2172         if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) {
2173                 s->midi.ird = s->midi.iwr = s->midi.icnt = 0;
2174                 s->midi.ord = s->midi.owr = s->midi.ocnt = 0;
2175                 //outb(inb(s->ioenh + SV_CODEC_CONTROL) | SV_CCTRL_WAVETABLE, s->ioenh + SV_CODEC_CONTROL);
2176                 outb(inb(s->ioenh + SV_CODEC_INTMASK) | SV_CINTMASK_MIDI, s->ioenh + SV_CODEC_INTMASK);
2177                 wrindir(s, SV_CIUARTCONTROL, 5); /* output MIDI data to external and internal synth */
2178                 wrindir(s, SV_CIWAVETABLESRC, 1); /* Wavetable in PC RAM */
2179                 outb(0xff, s->iomidi+1); /* reset command */
2180                 outb(0x3f, s->iomidi+1); /* uart command */
2181                 if (!(inb(s->iomidi+1) & 0x80))
2182                         inb(s->iomidi);
2183                 s->midi.ird = s->midi.iwr = s->midi.icnt = 0;
2184                 init_timer(&s->midi.timer);
2185                 s->midi.timer.expires = jiffies+1;
2186                 s->midi.timer.data = (unsigned long)s;
2187                 s->midi.timer.function = sv_midi_timer;
2188                 add_timer(&s->midi.timer);
2189         }
2190         if (file->f_mode & FMODE_READ) {
2191                 s->midi.ird = s->midi.iwr = s->midi.icnt = 0;
2192         }
2193         if (file->f_mode & FMODE_WRITE) {
2194                 s->midi.ord = s->midi.owr = s->midi.ocnt = 0;
2195         }
2196         spin_unlock_irqrestore(&s->lock, flags);
2197         s->open_mode |= (file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ | FMODE_MIDI_WRITE);
2198         mutex_unlock(&s->open_mutex);
2199         return nonseekable_open(inode, file);
2200 }
2201
2202 static int sv_midi_release(struct inode *inode, struct file *file)
2203 {
2204         struct sv_state *s = (struct sv_state *)file->private_data;
2205         DECLARE_WAITQUEUE(wait, current);
2206         unsigned long flags;
2207         unsigned count, tmo;
2208
2209         VALIDATE_STATE(s);
2210
2211         lock_kernel();
2212         if (file->f_mode & FMODE_WRITE) {
2213                 add_wait_queue(&s->midi.owait, &wait);
2214                 for (;;) {
2215                         __set_current_state(TASK_INTERRUPTIBLE);
2216                         spin_lock_irqsave(&s->lock, flags);
2217                         count = s->midi.ocnt;
2218                         spin_unlock_irqrestore(&s->lock, flags);
2219                         if (count <= 0)
2220                                 break;
2221                         if (signal_pending(current))
2222                                 break;
2223                         if (file->f_flags & O_NONBLOCK) {
2224                                 remove_wait_queue(&s->midi.owait, &wait);
2225                                 set_current_state(TASK_RUNNING);
2226                                 unlock_kernel();
2227                                 return -EBUSY;
2228                         }
2229                         tmo = (count * HZ) / 3100;
2230                         if (!schedule_timeout(tmo ? : 1) && tmo)
2231                                 printk(KERN_DEBUG "sv: midi timed out??\n");
2232                 }
2233                 remove_wait_queue(&s->midi.owait, &wait);
2234                 set_current_state(TASK_RUNNING);
2235         }
2236         mutex_lock(&s->open_mutex);
2237         s->open_mode &= ~((file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ|FMODE_MIDI_WRITE));
2238         spin_lock_irqsave(&s->lock, flags);
2239         if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) {
2240                 outb(inb(s->ioenh + SV_CODEC_INTMASK) & ~SV_CINTMASK_MIDI, s->ioenh + SV_CODEC_INTMASK);
2241                 del_timer(&s->midi.timer);
2242         }
2243         spin_unlock_irqrestore(&s->lock, flags);
2244         wake_up(&s->open_wait);
2245         mutex_unlock(&s->open_mutex);
2246         unlock_kernel();
2247         return 0;
2248 }
2249
2250 static /*const*/ struct file_operations sv_midi_fops = {
2251         .owner          = THIS_MODULE,
2252         .llseek         = no_llseek,
2253         .read           = sv_midi_read,
2254         .write          = sv_midi_write,
2255         .poll           = sv_midi_poll,
2256         .open           = sv_midi_open,
2257         .release        = sv_midi_release,
2258 };
2259
2260 /* --------------------------------------------------------------------- */
2261
2262 static int sv_dmfm_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
2263 {
2264         static const unsigned char op_offset[18] = {
2265                 0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
2266                 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D,
2267                 0x10, 0x11, 0x12, 0x13, 0x14, 0x15
2268         };
2269         struct sv_state *s = (struct sv_state *)file->private_data;
2270         struct dm_fm_voice v;
2271         struct dm_fm_note n;
2272         struct dm_fm_params p;
2273         unsigned int io;
2274         unsigned int regb;
2275
2276         switch (cmd) {
2277         case FM_IOCTL_RESET:
2278                 for (regb = 0xb0; regb < 0xb9; regb++) {
2279                         outb(regb, s->iosynth);
2280                         outb(0, s->iosynth+1);
2281                         outb(regb, s->iosynth+2);
2282                         outb(0, s->iosynth+3);
2283                 }
2284                 return 0;
2285
2286         case FM_IOCTL_PLAY_NOTE:
2287                 if (copy_from_user(&n, (void __user *)arg, sizeof(n)))
2288                         return -EFAULT;
2289                 if (n.voice >= 18)
2290                         return -EINVAL;
2291                 if (n.voice >= 9) {
2292                         regb = n.voice - 9;
2293                         io = s->iosynth+2;
2294                 } else {
2295                         regb = n.voice;
2296                         io = s->iosynth;
2297                 }
2298                 outb(0xa0 + regb, io);
2299                 outb(n.fnum & 0xff, io+1);
2300                 outb(0xb0 + regb, io);
2301                 outb(((n.fnum >> 8) & 3) | ((n.octave & 7) << 2) | ((n.key_on & 1) << 5), io+1);
2302                 return 0;
2303
2304         case FM_IOCTL_SET_VOICE:
2305                 if (copy_from_user(&v, (void __user *)arg, sizeof(v)))
2306                         return -EFAULT;
2307                 if (v.voice >= 18)
2308                         return -EINVAL;
2309                 regb = op_offset[v.voice];
2310                 io = s->iosynth + ((v.op & 1) << 1);
2311                 outb(0x20 + regb, io);
2312                 outb(((v.am & 1) << 7) | ((v.vibrato & 1) << 6) | ((v.do_sustain & 1) << 5) |
2313                      ((v.kbd_scale & 1) << 4) | (v.harmonic & 0xf), io+1);
2314                 outb(0x40 + regb, io);
2315                 outb(((v.scale_level & 0x3) << 6) | (v.volume & 0x3f), io+1);
2316                 outb(0x60 + regb, io);
2317                 outb(((v.attack & 0xf) << 4) | (v.decay & 0xf), io+1);
2318                 outb(0x80 + regb, io);
2319                 outb(((v.sustain & 0xf) << 4) | (v.release & 0xf), io+1);
2320                 outb(0xe0 + regb, io);
2321                 outb(v.waveform & 0x7, io+1);
2322                 if (n.voice >= 9) {
2323                         regb = n.voice - 9;
2324                         io = s->iosynth+2;
2325                 } else {
2326                         regb = n.voice;
2327                         io = s->iosynth;
2328                 }
2329                 outb(0xc0 + regb, io);
2330                 outb(((v.right & 1) << 5) | ((v.left & 1) << 4) | ((v.feedback & 7) << 1) |
2331                      (v.connection & 1), io+1);
2332                 return 0;
2333
2334         case FM_IOCTL_SET_PARAMS:
2335                 if (copy_from_user(&p, (void *__user )arg, sizeof(p)))
2336                         return -EFAULT;
2337                 outb(0x08, s->iosynth);
2338                 outb((p.kbd_split & 1) << 6, s->iosynth+1);
2339                 outb(0xbd, s->iosynth);
2340                 outb(((p.am_depth & 1) << 7) | ((p.vib_depth & 1) << 6) | ((p.rhythm & 1) << 5) | ((p.bass & 1) << 4) |
2341                      ((p.snare & 1) << 3) | ((p.tomtom & 1) << 2) | ((p.cymbal & 1) << 1) | (p.hihat & 1), s->iosynth+1);
2342                 return 0;
2343
2344         case FM_IOCTL_SET_OPL:
2345                 outb(4, s->iosynth+2);
2346                 outb(arg, s->iosynth+3);
2347                 return 0;
2348
2349         case FM_IOCTL_SET_MODE:
2350                 outb(5, s->iosynth+2);
2351                 outb(arg & 1, s->iosynth+3);
2352                 return 0;
2353
2354         default:
2355                 return -EINVAL;
2356         }
2357 }
2358
2359 static int sv_dmfm_open(struct inode *inode, struct file *file)
2360 {
2361         int minor = iminor(inode);
2362         DECLARE_WAITQUEUE(wait, current);
2363         struct list_head *list;
2364         struct sv_state *s;
2365
2366         for (list = devs.next; ; list = list->next) {
2367                 if (list == &devs)
2368                         return -ENODEV;
2369                 s = list_entry(list, struct sv_state, devs);
2370                 if (s->dev_dmfm == minor)
2371                         break;
2372         }
2373         VALIDATE_STATE(s);
2374         file->private_data = s;
2375         /* wait for device to become free */
2376         mutex_lock(&s->open_mutex);
2377         while (s->open_mode & FMODE_DMFM) {
2378                 if (file->f_flags & O_NONBLOCK) {
2379                         mutex_unlock(&s->open_mutex);
2380                         return -EBUSY;
2381                 }
2382                 add_wait_queue(&s->open_wait, &wait);
2383                 __set_current_state(TASK_INTERRUPTIBLE);
2384                 mutex_unlock(&s->open_mutex);
2385                 schedule();
2386                 remove_wait_queue(&s->open_wait, &wait);
2387                 set_current_state(TASK_RUNNING);
2388                 if (signal_pending(current))
2389                         return -ERESTARTSYS;
2390                 mutex_lock(&s->open_mutex);
2391         }
2392         /* init the stuff */
2393         outb(1, s->iosynth);
2394         outb(0x20, s->iosynth+1); /* enable waveforms */
2395         outb(4, s->iosynth+2);
2396         outb(0, s->iosynth+3);  /* no 4op enabled */
2397         outb(5, s->iosynth+2);
2398         outb(1, s->iosynth+3);  /* enable OPL3 */
2399         s->open_mode |= FMODE_DMFM;
2400         mutex_unlock(&s->open_mutex);
2401         return nonseekable_open(inode, file);
2402 }
2403
2404 static int sv_dmfm_release(struct inode *inode, struct file *file)
2405 {
2406         struct sv_state *s = (struct sv_state *)file->private_data;
2407         unsigned int regb;
2408
2409         VALIDATE_STATE(s);
2410         lock_kernel();
2411         mutex_lock(&s->open_mutex);
2412         s->open_mode &= ~FMODE_DMFM;
2413         for (regb = 0xb0; regb < 0xb9; regb++) {
2414                 outb(regb, s->iosynth);
2415                 outb(0, s->iosynth+1);
2416                 outb(regb, s->iosynth+2);
2417                 outb(0, s->iosynth+3);
2418         }
2419         wake_up(&s->open_wait);
2420         mutex_unlock(&s->open_mutex);
2421         unlock_kernel();
2422         return 0;
2423 }
2424
2425 static /*const*/ struct file_operations sv_dmfm_fops = {
2426         .owner          = THIS_MODULE,
2427         .llseek         = no_llseek,
2428         .ioctl          = sv_dmfm_ioctl,
2429         .open           = sv_dmfm_open,
2430         .release        = sv_dmfm_release,
2431 };
2432
2433 /* --------------------------------------------------------------------- */
2434
2435 /* maximum number of devices; only used for command line params */
2436 #define NR_DEVICE 5
2437
2438 static int reverb[NR_DEVICE];
2439
2440 #if 0
2441 static int wavetable[NR_DEVICE];
2442 #endif
2443
2444 static unsigned int devindex;
2445
2446 module_param_array(reverb, bool, NULL, 0);
2447 MODULE_PARM_DESC(reverb, "if 1 enables the reverb circuitry. NOTE: your card must have the reverb RAM");
2448 #if 0
2449 MODULE_PARM(wavetable, "1-" __MODULE_STRING(NR_DEVICE) "i");
2450 MODULE_PARM_DESC(wavetable, "if 1 the wavetable synth is enabled");
2451 #endif
2452
2453 MODULE_AUTHOR("Thomas M. Sailer, sailer@ife.ee.ethz.ch, hb9jnx@hb9w.che.eu");
2454 MODULE_DESCRIPTION("S3 SonicVibes Driver");
2455 MODULE_LICENSE("GPL");
2456
2457
2458 /* --------------------------------------------------------------------- */
2459
2460 static struct initvol {
2461         int mixch;
2462         int vol;
2463 } initvol[] __devinitdata = {
2464         { SOUND_MIXER_WRITE_RECLEV, 0x4040 },
2465         { SOUND_MIXER_WRITE_LINE1, 0x4040 },
2466         { SOUND_MIXER_WRITE_CD, 0x4040 },
2467         { SOUND_MIXER_WRITE_LINE, 0x4040 },
2468         { SOUND_MIXER_WRITE_MIC, 0x4040 },
2469         { SOUND_MIXER_WRITE_SYNTH, 0x4040 },
2470         { SOUND_MIXER_WRITE_LINE2, 0x4040 },
2471         { SOUND_MIXER_WRITE_VOLUME, 0x4040 },
2472         { SOUND_MIXER_WRITE_PCM, 0x4040 }
2473 };
2474
2475 #define RSRCISIOREGION(dev,num) (pci_resource_start((dev), (num)) != 0 && \
2476                                  (pci_resource_flags((dev), (num)) & IORESOURCE_IO))
2477
2478 #ifdef SUPPORT_JOYSTICK
2479 static int __devinit sv_register_gameport(struct sv_state *s, int io_port)
2480 {
2481         struct gameport *gp;
2482
2483         if (!request_region(io_port, SV_EXTENT_GAME, "S3 SonicVibes Gameport")) {
2484                 printk(KERN_ERR "sv: gameport io ports are in use\n");
2485                 return -EBUSY;
2486         }
2487
2488         s->gameport = gp = gameport_allocate_port();
2489         if (!gp) {
2490                 printk(KERN_ERR "sv: can not allocate memory for gameport\n");
2491                 release_region(io_port, SV_EXTENT_GAME);
2492                 return -ENOMEM;
2493         }
2494
2495         gameport_set_name(gp, "S3 SonicVibes Gameport");
2496         gameport_set_phys(gp, "isa%04x/gameport0", io_port);
2497         gp->dev.parent = &s->dev->dev;
2498         gp->io = io_port;
2499
2500         gameport_register_port(gp);
2501
2502         return 0;
2503 }
2504
2505 static inline void sv_unregister_gameport(struct sv_state *s)
2506 {
2507         if (s->gameport) {
2508                 int gpio = s->gameport->io;
2509                 gameport_unregister_port(s->gameport);
2510                 release_region(gpio, SV_EXTENT_GAME);
2511         }
2512 }
2513 #else
2514 static inline int sv_register_gameport(struct sv_state *s, int io_port) { return -ENOSYS; }
2515 static inline void sv_unregister_gameport(struct sv_state *s) { }
2516 #endif /* SUPPORT_JOYSTICK */
2517
2518 static int __devinit sv_probe(struct pci_dev *pcidev, const struct pci_device_id *pciid)
2519 {
2520         static char __devinitdata sv_ddma_name[] = "S3 Inc. SonicVibes DDMA Controller";
2521         struct sv_state *s;
2522         mm_segment_t fs;
2523         int i, val, ret;
2524         int gpio;
2525         char *ddmaname;
2526         unsigned ddmanamelen;
2527
2528         if ((ret=pci_enable_device(pcidev)))
2529                 return ret;
2530
2531         if (!RSRCISIOREGION(pcidev, RESOURCE_SB) ||
2532             !RSRCISIOREGION(pcidev, RESOURCE_ENH) ||
2533             !RSRCISIOREGION(pcidev, RESOURCE_SYNTH) ||
2534             !RSRCISIOREGION(pcidev, RESOURCE_MIDI) ||
2535             !RSRCISIOREGION(pcidev, RESOURCE_GAME))
2536                 return -ENODEV;
2537         if (pcidev->irq == 0)
2538                 return -ENODEV;
2539         if (pci_set_dma_mask(pcidev, DMA_24BIT_MASK)) {
2540                 printk(KERN_WARNING "sonicvibes: architecture does not support 24bit PCI busmaster DMA\n");
2541                 return -ENODEV;
2542         }
2543         /* try to allocate a DDMA resource if not already available */
2544         if (!RSRCISIOREGION(pcidev, RESOURCE_DDMA)) {
2545                 pcidev->resource[RESOURCE_DDMA].start = 0;
2546                 pcidev->resource[RESOURCE_DDMA].end = 2*SV_EXTENT_DMA-1;
2547                 pcidev->resource[RESOURCE_DDMA].flags = PCI_BASE_ADDRESS_SPACE_IO | IORESOURCE_IO;
2548                 ddmanamelen = strlen(sv_ddma_name)+1;
2549                 if (!(ddmaname = kmalloc(ddmanamelen, GFP_KERNEL)))
2550                         return -1;
2551                 memcpy(ddmaname, sv_ddma_name, ddmanamelen);
2552                 pcidev->resource[RESOURCE_DDMA].name = ddmaname;
2553                 if (pci_assign_resource(pcidev, RESOURCE_DDMA)) {
2554                         pcidev->resource[RESOURCE_DDMA].name = NULL;
2555                         kfree(ddmaname);
2556                         printk(KERN_ERR "sv: cannot allocate DDMA controller io ports\n");
2557                         return -EBUSY;
2558                 }
2559         }
2560         if (!(s = kmalloc(sizeof(struct sv_state), GFP_KERNEL))) {
2561                 printk(KERN_WARNING "sv: out of memory\n");
2562                 return -ENOMEM;
2563         }
2564         memset(s, 0, sizeof(struct sv_state));
2565         init_waitqueue_head(&s->dma_adc.wait);
2566         init_waitqueue_head(&s->dma_dac.wait);
2567         init_waitqueue_head(&s->open_wait);
2568         init_waitqueue_head(&s->midi.iwait);
2569         init_waitqueue_head(&s->midi.owait);
2570         mutex_init(&s->open_mutex);
2571         spin_lock_init(&s->lock);
2572         s->magic = SV_MAGIC;
2573         s->dev = pcidev;
2574         s->iosb = pci_resource_start(pcidev, RESOURCE_SB);
2575         s->ioenh = pci_resource_start(pcidev, RESOURCE_ENH);
2576         s->iosynth = pci_resource_start(pcidev, RESOURCE_SYNTH);
2577         s->iomidi = pci_resource_start(pcidev, RESOURCE_MIDI);
2578         s->iodmaa = pci_resource_start(pcidev, RESOURCE_DDMA);
2579         s->iodmac = pci_resource_start(pcidev, RESOURCE_DDMA) + SV_EXTENT_DMA;
2580         gpio = pci_resource_start(pcidev, RESOURCE_GAME);
2581         pci_write_config_dword(pcidev, 0x40, s->iodmaa | 9);  /* enable and use extended mode */
2582         pci_write_config_dword(pcidev, 0x48, s->iodmac | 9);  /* enable */
2583         printk(KERN_DEBUG "sv: io ports: %#lx %#lx %#lx %#lx %#x %#x %#x\n",
2584                s->iosb, s->ioenh, s->iosynth, s->iomidi, gpio, s->iodmaa, s->iodmac);
2585         s->irq = pcidev->irq;
2586
2587         /* hack */
2588         pci_write_config_dword(pcidev, 0x60, wavetable_mem >> 12);  /* wavetable base address */
2589
2590         ret = -EBUSY;
2591         if (!request_region(s->ioenh, SV_EXTENT_ENH, "S3 SonicVibes PCM")) {
2592                 printk(KERN_ERR "sv: io ports %#lx-%#lx in use\n", s->ioenh, s->ioenh+SV_EXTENT_ENH-1);
2593                 goto err_region5;
2594         }
2595         if (!request_region(s->iodmaa, SV_EXTENT_DMA, "S3 SonicVibes DMAA")) {
2596                 printk(KERN_ERR "sv: io ports %#x-%#x in use\n", s->iodmaa, s->iodmaa+SV_EXTENT_DMA-1);
2597                 goto err_region4;
2598         }
2599         if (!request_region(s->iodmac, SV_EXTENT_DMA, "S3 SonicVibes DMAC")) {
2600                 printk(KERN_ERR "sv: io ports %#x-%#x in use\n", s->iodmac, s->iodmac+SV_EXTENT_DMA-1);
2601                 goto err_region3;
2602         }
2603         if (!request_region(s->iomidi, SV_EXTENT_MIDI, "S3 SonicVibes Midi")) {
2604                 printk(KERN_ERR "sv: io ports %#lx-%#lx in use\n", s->iomidi, s->iomidi+SV_EXTENT_MIDI-1);
2605                 goto err_region2;
2606         }
2607         if (!request_region(s->iosynth, SV_EXTENT_SYNTH, "S3 SonicVibes Synth")) {
2608                 printk(KERN_ERR "sv: io ports %#lx-%#lx in use\n", s->iosynth, s->iosynth+SV_EXTENT_SYNTH-1);
2609                 goto err_region1;
2610         }
2611
2612         /* initialize codec registers */
2613         outb(0x80, s->ioenh + SV_CODEC_CONTROL); /* assert reset */
2614         udelay(50);
2615         outb(0x00, s->ioenh + SV_CODEC_CONTROL); /* deassert reset */
2616         udelay(50);
2617         outb(SV_CCTRL_INTADRIVE | SV_CCTRL_ENHANCED /*| SV_CCTRL_WAVETABLE */
2618              | (reverb[devindex] ? SV_CCTRL_REVERB : 0), s->ioenh + SV_CODEC_CONTROL);
2619         inb(s->ioenh + SV_CODEC_STATUS); /* clear ints */
2620         wrindir(s, SV_CIDRIVECONTROL, 0);  /* drive current 16mA */
2621         wrindir(s, SV_CIENABLE, s->enable = 0);  /* disable DMAA and DMAC */
2622         outb(~(SV_CINTMASK_DMAA | SV_CINTMASK_DMAC), s->ioenh + SV_CODEC_INTMASK);
2623         /* outb(0xff, s->iodmaa + SV_DMA_RESET); */
2624         /* outb(0xff, s->iodmac + SV_DMA_RESET); */
2625         inb(s->ioenh + SV_CODEC_STATUS); /* ack interrupts */
2626         wrindir(s, SV_CIADCCLKSOURCE, 0); /* use pll as ADC clock source */
2627         wrindir(s, SV_CIANALOGPWRDOWN, 0); /* power up the analog parts of the device */
2628         wrindir(s, SV_CIDIGITALPWRDOWN, 0); /* power up the digital parts of the device */
2629         setpll(s, SV_CIADCPLLM, 8000);
2630         wrindir(s, SV_CISRSSPACE, 0x80); /* SRS off */
2631         wrindir(s, SV_CIPCMSR0, (8000 * 65536 / FULLRATE) & 0xff);
2632         wrindir(s, SV_CIPCMSR1, ((8000 * 65536 / FULLRATE) >> 8) & 0xff);
2633         wrindir(s, SV_CIADCOUTPUT, 0);
2634         /* request irq */
2635         if ((ret=request_irq(s->irq,sv_interrupt,IRQF_SHARED,"S3 SonicVibes",s))) {
2636                 printk(KERN_ERR "sv: irq %u in use\n", s->irq);
2637                 goto err_irq;
2638         }
2639         printk(KERN_INFO "sv: found adapter at io %#lx irq %u dmaa %#06x dmac %#06x revision %u\n",
2640                s->ioenh, s->irq, s->iodmaa, s->iodmac, rdindir(s, SV_CIREVISION));
2641         /* register devices */
2642         if ((s->dev_audio = register_sound_dsp(&sv_audio_fops, -1)) < 0) {
2643                 ret = s->dev_audio;
2644                 goto err_dev1;
2645         }
2646         if ((s->dev_mixer = register_sound_mixer(&sv_mixer_fops, -1)) < 0) {
2647                 ret = s->dev_mixer;
2648                 goto err_dev2;
2649         }
2650         if ((s->dev_midi = register_sound_midi(&sv_midi_fops, -1)) < 0) {
2651                 ret = s->dev_midi;
2652                 goto err_dev3;
2653         }
2654         if ((s->dev_dmfm = register_sound_special(&sv_dmfm_fops, 15 /* ?? */)) < 0) {
2655                 ret = s->dev_dmfm;
2656                 goto err_dev4;
2657         }
2658         pci_set_master(pcidev);  /* enable bus mastering */
2659         /* initialize the chips */
2660         fs = get_fs();
2661         set_fs(KERNEL_DS);
2662         val = SOUND_MASK_LINE|SOUND_MASK_SYNTH;
2663         mixer_ioctl(s, SOUND_MIXER_WRITE_RECSRC, (unsigned long)&val);
2664         for (i = 0; i < sizeof(initvol)/sizeof(initvol[0]); i++) {
2665                 val = initvol[i].vol;
2666                 mixer_ioctl(s, initvol[i].mixch, (unsigned long)&val);
2667         }
2668         set_fs(fs);
2669         /* register gameport */
2670         sv_register_gameport(s, gpio);
2671         /* store it in the driver field */
2672         pci_set_drvdata(pcidev, s);
2673         /* put it into driver list */
2674         list_add_tail(&s->devs, &devs);
2675         /* increment devindex */
2676         if (devindex < NR_DEVICE-1)
2677                 devindex++;
2678         return 0;
2679
2680  err_dev4:
2681         unregister_sound_midi(s->dev_midi);
2682  err_dev3:
2683         unregister_sound_mixer(s->dev_mixer);
2684  err_dev2:
2685         unregister_sound_dsp(s->dev_audio);
2686  err_dev1:
2687         printk(KERN_ERR "sv: cannot register misc device\n");
2688         free_irq(s->irq, s);
2689  err_irq:
2690         release_region(s->iosynth, SV_EXTENT_SYNTH);
2691  err_region1:
2692         release_region(s->iomidi, SV_EXTENT_MIDI);
2693  err_region2:
2694         release_region(s->iodmac, SV_EXTENT_DMA);
2695  err_region3:
2696         release_region(s->iodmaa, SV_EXTENT_DMA);
2697  err_region4:
2698         release_region(s->ioenh, SV_EXTENT_ENH);
2699  err_region5:
2700         kfree(s);
2701         return ret;
2702 }
2703
2704 static void __devexit sv_remove(struct pci_dev *dev)
2705 {
2706         struct sv_state *s = pci_get_drvdata(dev);
2707
2708         if (!s)
2709                 return;
2710         list_del(&s->devs);
2711         outb(~0, s->ioenh + SV_CODEC_INTMASK);  /* disable ints */
2712         synchronize_irq(s->irq);
2713         inb(s->ioenh + SV_CODEC_STATUS); /* ack interrupts */
2714         wrindir(s, SV_CIENABLE, 0);     /* disable DMAA and DMAC */
2715         /*outb(0, s->iodmaa + SV_DMA_RESET);*/
2716         /*outb(0, s->iodmac + SV_DMA_RESET);*/
2717         free_irq(s->irq, s);
2718         sv_unregister_gameport(s);
2719         release_region(s->iodmac, SV_EXTENT_DMA);
2720         release_region(s->iodmaa, SV_EXTENT_DMA);
2721         release_region(s->ioenh, SV_EXTENT_ENH);
2722         release_region(s->iomidi, SV_EXTENT_MIDI);
2723         release_region(s->iosynth, SV_EXTENT_SYNTH);
2724         unregister_sound_dsp(s->dev_audio);
2725         unregister_sound_mixer(s->dev_mixer);
2726         unregister_sound_midi(s->dev_midi);
2727         unregister_sound_special(s->dev_dmfm);
2728         kfree(s);
2729         pci_set_drvdata(dev, NULL);
2730 }
2731
2732 static struct pci_device_id id_table[] = {
2733        { PCI_VENDOR_ID_S3, PCI_DEVICE_ID_S3_SONICVIBES, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
2734        { 0, }
2735 };
2736
2737 MODULE_DEVICE_TABLE(pci, id_table);
2738
2739 static struct pci_driver sv_driver = {
2740        .name            = "sonicvibes",
2741        .id_table        = id_table,
2742        .probe           = sv_probe,
2743        .remove          = __devexit_p(sv_remove),
2744 };
2745
2746 static int __init init_sonicvibes(void)
2747 {
2748         printk(KERN_INFO "sv: version v0.31 time " __TIME__ " " __DATE__ "\n");
2749 #if 0
2750         if (!(wavetable_mem = __get_free_pages(GFP_KERNEL, 20-PAGE_SHIFT)))
2751                 printk(KERN_INFO "sv: cannot allocate 1MB of contiguous nonpageable memory for wavetable data\n");
2752 #endif
2753         return pci_register_driver(&sv_driver);
2754 }
2755
2756 static void __exit cleanup_sonicvibes(void)
2757 {
2758         printk(KERN_INFO "sv: unloading\n");
2759         pci_unregister_driver(&sv_driver);
2760         if (wavetable_mem)
2761                 free_pages(wavetable_mem, 20-PAGE_SHIFT);
2762 }
2763
2764 module_init(init_sonicvibes);
2765 module_exit(cleanup_sonicvibes);
2766
2767 /* --------------------------------------------------------------------- */
2768
2769 #ifndef MODULE
2770
2771 /* format is: sonicvibes=[reverb] sonicvibesdmaio=dmaioaddr */
2772
2773 static int __init sonicvibes_setup(char *str)
2774 {
2775         static unsigned __initdata nr_dev = 0;
2776
2777         if (nr_dev >= NR_DEVICE)
2778                 return 0;
2779 #if 0
2780         if (get_option(&str, &reverb[nr_dev]) == 2)
2781                 (void)get_option(&str, &wavetable[nr_dev]);
2782 #else
2783         (void)get_option(&str, &reverb[nr_dev]);
2784 #endif
2785
2786         nr_dev++;
2787         return 1;
2788 }
2789
2790 __setup("sonicvibes=", sonicvibes_setup);
2791
2792 #endif /* MODULE */