root/drivers/sound/dev_table.h

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   1 /*
   2  *      dev_table.h
   3  *
   4  *      Global definitions for device call tables
   5  * 
   6  * Copyright by Hannu Savolainen 1993
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29 
  30 */
  31 
  32 #ifndef _DEV_TABLE_H_
  33 #define _DEV_TABLE_H_
  34 
  35 /*
  36  *      NOTE!   NOTE!   NOTE!   NOTE!
  37  *
  38  *      If you modify this file, please check the dev_table.c also.
  39  *
  40  *      NOTE!   NOTE!   NOTE!   NOTE!
  41  */
  42 
  43 extern int sound_started;
  44 
  45 struct driver_info {
  46         char *driver_id;
  47         int card_subtype;       /* Driver spesific. Usually 0 */
  48         int card_type;          /*      From soundcard.h        */
  49         char *name;
  50         long (*attach) (long mem_start, struct address_info *hw_config);
  51         int (*probe) (struct address_info *hw_config);
  52         void (*unload) (struct address_info *hw_config);
  53 };
  54 
  55 struct card_info {
  56         int card_type;  /* Link (search key) to the driver list */
  57         struct address_info config;
  58         int enabled;
  59         void *for_driver_use;
  60 };
  61 
  62 typedef struct pnp_sounddev
  63 {
  64         int id;
  65         void (*setup)(void *dev);
  66         char *driver_name;
  67 }pnp_sounddev;
  68 
  69 /*
  70  * Device specific parameters (used only by dmabuf.c)
  71  */
  72 #define MAX_SUB_BUFFERS         (32*MAX_REALTIME_FACTOR)
  73 
  74 #define DMODE_NONE              0
  75 #define DMODE_OUTPUT            1
  76 #define DMODE_INPUT             2
  77 
  78 struct dma_buffparms {
  79         int      dma_mode;      /* DMODE_INPUT, DMODE_OUTPUT or DMODE_NONE */
  80 
  81         /*
  82          * Pointers to raw buffers
  83          */
  84 
  85         char     *raw_buf;
  86         unsigned long   raw_buf_phys;
  87 
  88         /*
  89          * Device state tables
  90          */
  91 
  92         unsigned long flags;
  93 #define DMA_BUSY        0x00000001
  94 #define DMA_RESTART     0x00000002
  95 #define DMA_ACTIVE      0x00000004
  96 #define DMA_STARTED     0x00000008
  97 #define DMA_ALLOC_DONE  0x00000020
  98 
  99         int      open_mode;
 100 
 101         /*
 102          * Queue parameters.
 103          */
 104         int      qlen;
 105         int      qhead;
 106         int      qtail;
 107 
 108         int      nbufs;
 109         int      counts[MAX_SUB_BUFFERS];
 110         int      subdivision;
 111 
 112         int      fragment_size;
 113         int      max_fragments;
 114 
 115         int      bytes_in_use;
 116 
 117         int      underrun_count;
 118         int      byte_counter;
 119 
 120         int      mapping_flags;
 121 #define                 DMA_MAP_MAPPED          0x00000001
 122         char    neutral_byte;
 123 };
 124 
 125 /*
 126  * Structure for use with various microcontrollers and DSP processors 
 127  * in the recent soundcards.
 128  */
 129 typedef struct coproc_operations {
 130                 char name[32];
 131                 int (*open) (void *devc, int sub_device);
 132                 void (*close) (void *devc, int sub_device);
 133                 int (*ioctl) (void *devc, unsigned int cmd, ioctl_arg arg, int local);
 134                 void (*reset) (void *devc);
 135 
 136                 void *devc;             /* Driver specific info */
 137         } coproc_operations;
 138 
 139 struct audio_operations {
 140         char name[32];
 141         int flags;
 142 #define NOTHING_SPECIAL         0
 143 #define NEEDS_RESTART           1
 144 #define DMA_AUTOMODE            2
 145 #define DMA_DUPLEX              4
 146         int  format_mask;       /* Bitmask for supported audio formats */
 147         void *devc;             /* Driver specific info */
 148         int (*open) (int dev, int mode);
 149         void (*close) (int dev);
 150         void (*output_block) (int dev, unsigned long buf, 
 151                               int count, int intrflag, int dma_restart);
 152         void (*start_input) (int dev, unsigned long buf, 
 153                              int count, int intrflag, int dma_restart);
 154         int (*ioctl) (int dev, unsigned int cmd, ioctl_arg arg, int local);
 155         int (*prepare_for_input) (int dev, int bufsize, int nbufs);
 156         int (*prepare_for_output) (int dev, int bufsize, int nbufs);
 157         void (*reset) (int dev);
 158         void (*halt_xfer) (int dev);
 159         int (*local_qlen)(int dev);
 160         void (*copy_from_user)(int dev, char *localbuf, int localoffs,
 161                                const snd_rw_buf *userbuf, int useroffs, int len);
 162         void (*halt_input) (int dev);
 163         void (*halt_output) (int dev);
 164         void (*trigger) (int dev, int bits);
 165         long buffsize;
 166         int dmachan1, dmachan2;
 167         struct dma_buffparms *dmap_in, *dmap_out;
 168         struct coproc_operations *coproc;
 169         int mixer_dev;
 170         int enable_bits;
 171         int open_mode;
 172         int go;
 173 };
 174 
 175 struct mixer_operations {
 176         char name[32];
 177         int (*ioctl) (int dev, unsigned int cmd, ioctl_arg arg);
 178 };
 179 
 180 struct synth_operations {
 181         struct synth_info *info;
 182         int midi_dev;
 183         int synth_type;
 184         int synth_subtype;
 185 
 186         int (*open) (int dev, int mode);
 187         void (*close) (int dev);
 188         int (*ioctl) (int dev, unsigned int cmd, ioctl_arg arg);
 189         int (*kill_note) (int dev, int voice, int note, int velocity);
 190         int (*start_note) (int dev, int voice, int note, int velocity);
 191         int (*set_instr) (int dev, int voice, int instr);
 192         void (*reset) (int dev);
 193         void (*hw_control) (int dev, unsigned char *event);
 194         int (*load_patch) (int dev, int format, const snd_rw_buf *addr,
 195              int offs, int count, int pmgr_flag);
 196         void (*aftertouch) (int dev, int voice, int pressure);
 197         void (*controller) (int dev, int voice, int ctrl_num, int value);
 198         void (*panning) (int dev, int voice, int value);
 199         void (*volume_method) (int dev, int mode);
 200         int (*pmgr_interface) (int dev, struct patmgr_info *info);
 201         void (*bender) (int dev, int chn, int value);
 202         int (*alloc_voice) (int dev, int chn, int note, struct voice_alloc_info *alloc);
 203         void (*setup_voice) (int dev, int voice, int chn);
 204         int (*send_sysex)(int dev, unsigned char *bytes, int len);
 205 
 206         struct voice_alloc_info alloc;
 207         struct channel_info chn_info[16];
 208 };
 209 
 210 struct midi_input_info { /* MIDI input scanner variables */
 211 #define MI_MAX  10
 212                 int             m_busy;
 213                 unsigned char   m_buf[MI_MAX];
 214                 unsigned char   m_prev_status;  /* For running status */
 215                 int             m_ptr;
 216 #define MST_INIT                        0
 217 #define MST_DATA                        1
 218 #define MST_SYSEX                       2
 219                 int             m_state;
 220                 int             m_left;
 221         };
 222 
 223 struct midi_operations {
 224         struct midi_info info;
 225         struct synth_operations *converter;
 226         struct midi_input_info in_info;
 227         int (*open) (int dev, int mode,
 228                 void (*inputintr)(int dev, unsigned char data),
 229                 void (*outputintr)(int dev)
 230                 );
 231         void (*close) (int dev);
 232         int (*ioctl) (int dev, unsigned int cmd, ioctl_arg arg);
 233         int (*putc) (int dev, unsigned char data);
 234         int (*start_read) (int dev);
 235         int (*end_read) (int dev);
 236         void (*kick)(int dev);
 237         int (*command) (int dev, unsigned char *data);
 238         int (*buffer_status) (int dev);
 239         int (*prefix_cmd) (int dev, unsigned char status);
 240         struct coproc_operations *coproc;
 241 };
 242 
 243 struct sound_lowlev_timer {
 244                 int dev;
 245                 unsigned int (*tmr_start)(int dev, unsigned int usecs);
 246                 void (*tmr_disable)(int dev);
 247                 void (*tmr_restart)(int dev);
 248         };
 249 
 250 struct sound_timer_operations {
 251         struct sound_timer_info info;
 252         int priority;
 253         int devlink;
 254         int (*open)(int dev, int mode);
 255         void (*close)(int dev);
 256         int (*event)(int dev, unsigned char *ev);
 257         unsigned long (*get_time)(int dev);
 258         int (*ioctl) (int dev, unsigned int cmd, ioctl_arg arg);
 259         void (*arm_timer)(int dev, long time);
 260 };
 261 
 262 #ifdef _DEV_TABLE_C_   
 263         struct audio_operations *audio_devs[MAX_AUDIO_DEV] = {NULL}; int num_audiodevs = 0;
 264         struct mixer_operations *mixer_devs[MAX_MIXER_DEV] = {NULL}; int num_mixers = 0;
 265         struct synth_operations *synth_devs[MAX_SYNTH_DEV+MAX_MIDI_DEV] = {NULL}; int num_synths = 0;
 266         struct midi_operations *midi_devs[MAX_MIDI_DEV] = {NULL}; int num_midis = 0;
 267 
 268 #ifndef EXCLUDE_SEQUENCER
 269         extern struct sound_timer_operations default_sound_timer;
 270         struct sound_timer_operations *sound_timer_devs[MAX_TIMER_DEV] = 
 271                 {&default_sound_timer, NULL}; 
 272         int num_sound_timers = 1;
 273 #else
 274         struct sound_timer_operations *sound_timer_devs[MAX_TIMER_DEV] = 
 275                 {NULL}; 
 276         int num_sound_timers = 0;
 277 #endif
 278 
 279 /*
 280  * List of low level drivers compiled into the kernel.
 281  */
 282 
 283         struct driver_info sound_drivers[] = {
 284 #ifndef EXCLUDE_PSS
 285           {"PSSECHO", 0, SNDCARD_PSS, "Echo Personal Sound System PSS (ESC614)", attach_pss, probe_pss, unload_pss},
 286           {"PSSMPU", 0, SNDCARD_PSS_MPU, "PSS-MPU", attach_pss_mpu, probe_pss_mpu, unload_pss_mpu},
 287           {"PSSMSS", 0, SNDCARD_PSS_MSS, "PSS-MSS", attach_pss_mss, probe_pss_mss, unload_pss_mss},
 288 #endif
 289 #ifndef EXCLUDE_MSS
 290                 {"MSS", 0, SNDCARD_MSS, "MS Sound System",      attach_ms_sound, probe_ms_sound, unload_ms_sound},
 291         /* MSS without IRQ/DMA config registers (for DEC Alphas) */
 292                 {"PCXBJ", 1, SNDCARD_PSEUDO_MSS,        "MS Sound System",      attach_ms_sound, probe_ms_sound, unload_ms_sound},
 293 #endif
 294 #ifndef EXCLUDE_MAD16
 295                 {"MAD16", 0, SNDCARD_MAD16,     "MAD16/Mozart (MSS)",           attach_mad16, probe_mad16, unload_mad16},
 296                 {"MAD16MPU", 0, SNDCARD_MAD16_MPU,      "MAD16/Mozart (MPU)",           attach_mad16_mpu, probe_mad16_mpu, unload_mad16_mpu},
 297 #endif
 298 #ifndef EXCLUDE_CS4232
 299                 {"CS4232", 0, SNDCARD_CS4232,   "CS4232",               attach_cs4232, probe_cs4232, unload_cs4232},
 300                 {"CS4232MPU", 0, SNDCARD_CS4232_MPU,    "CS4232 MIDI",          attach_cs4232_mpu, probe_cs4232_mpu, unload_cs4232_mpu},
 301 #endif
 302 #ifndef EXCLUDE_YM3812
 303                 {"OPL3", 0, SNDCARD_ADLIB,      "OPL-2/OPL-3 FM",               attach_adlib_card, probe_adlib, unload_adlib},
 304 #endif
 305 #ifndef EXCLUDE_PAS
 306                 {"PAS16", 0, SNDCARD_PAS,       "ProAudioSpectrum",     attach_pas_card, probe_pas, unload_pas},
 307 #endif
 308 #if !defined(EXCLUDE_MPU401) && !defined(EXCLUDE_MIDI)
 309                 {"MPU401", 0, SNDCARD_MPU401,"Roland MPU-401",  attach_mpu401, probe_mpu401, unload_mpu401},
 310 #endif
 311 #if !defined(EXCLUDE_MAUI)
 312                 {"MAUI", 0, SNDCARD_MAUI,"TB Maui",     attach_maui, probe_maui, unload_maui},
 313 #endif
 314 #if !defined(EXCLUDE_UART6850) && !defined(EXCLUDE_MIDI)
 315                 {"MIDI6850", 0, SNDCARD_UART6850,"6860 UART Midi",      attach_uart6850, probe_uart6850, unload_uart6850},
 316 #endif
 317 #ifndef EXCLUDE_SB
 318                 {"SBLAST", 0, SNDCARD_SB,       "SoundBlaster",         attach_sb_card, probe_sb, unload_sb},
 319 #endif
 320 #if !defined(EXCLUDE_SB) && !defined(EXCLUDE_SB16)
 321 #ifndef EXCLUDE_AUDIO
 322                 {"SB16", 0, SNDCARD_SB16,       "SoundBlaster16",       sb16_dsp_init, sb16_dsp_detect, unload_sb16},
 323 #endif
 324 #ifndef EXCLUDE_MIDI
 325                 {"SB16MIDI", 0, SNDCARD_SB16MIDI,"SB16 MIDI",   attach_sb16midi, probe_sb16midi, unload_sb16midi},
 326 #endif
 327 #endif
 328 #ifndef EXCLUDE_GUS16
 329                 {"GUS16", 0, SNDCARD_GUS16,     "Ultrasound 16-bit opt.",       attach_gus_db16, probe_gus_db16, unload_gus_db16},
 330 #endif
 331 #ifndef EXCLUDE_GUS
 332                 {"GUS", 0, SNDCARD_GUS, "Gravis Ultrasound",    attach_gus_card, probe_gus, unload_gus},
 333 #endif
 334 #ifndef EXCLUDE_SSCAPE
 335                 {"SSCAPE", 0, SNDCARD_SSCAPE, "Ensoniq Soundscape",     attach_sscape, probe_sscape, unload_sscape},
 336                 {"SSCAPEMSS", 0, SNDCARD_SSCAPE_MSS,    "MS Sound System (SoundScape)", attach_ss_ms_sound, probe_ss_ms_sound, unload_ss_ms_sound},
 337 #endif
 338 #ifndef EXCLUDE_TRIX
 339                 {"TRXPRO", 0, SNDCARD_TRXPRO, "MediaTriX AudioTriX Pro",        attach_trix_wss, probe_trix_wss, unload_trix_wss},
 340                 {"TRXPROSB", 0, SNDCARD_TRXPRO_SB, "AudioTriX (SB mode)",       attach_trix_sb, probe_trix_sb, unload_trix_sb},
 341                 {"TRXPROMPU", 0, SNDCARD_TRXPRO_MPU, "AudioTriX MIDI",  attach_trix_mpu, probe_trix_mpu, unload_trix_mpu},
 342 #endif
 343 #ifndef EXCLUDE_PNP
 344                 {"AD1848", 0, 500, "PnP MSS",   attach_pnp_ad1848, probe_pnp_ad1848, unload_pnp_ad1848},
 345 #endif
 346                 {NULL, 0, 0,            "*?*",                  NULL, NULL, NULL}
 347         };
 348 
 349         int num_sound_drivers =
 350             sizeof(sound_drivers) / sizeof (struct driver_info);
 351         int max_sound_drivers =
 352             sizeof(sound_drivers) / sizeof (struct driver_info);
 353 
 354 
 355 #ifndef FULL_SOUND
 356 /*
 357  *      List of devices actually configured in the system.
 358  *
 359  *      Note! The detection order is significant. Don't change it.
 360  */
 361 
 362         struct card_info snd_installed_cards[] = {
 363 #ifndef EXCLUDE_PSS
 364              {SNDCARD_PSS, {PSS_BASE, 0, -1, -1}, SND_DEFAULT_ENABLE},
 365 #       ifdef PSS_MPU_BASE
 366              {SNDCARD_PSS_MPU, {PSS_MPU_BASE, PSS_MPU_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 367 #       endif
 368 #       ifdef PSS_MSS_BASE
 369              {SNDCARD_PSS_MSS, {PSS_MSS_BASE, PSS_MSS_IRQ, PSS_MSS_DMA, -1}, SND_DEFAULT_ENABLE},
 370 #       endif
 371 #endif
 372 #ifndef EXCLUDE_TRIX
 373              {SNDCARD_TRXPRO, {TRIX_BASE, TRIX_IRQ, TRIX_DMA, TRIX_DMA2}, SND_DEFAULT_ENABLE},
 374 #       ifdef TRIX_SB_BASE
 375              {SNDCARD_TRXPRO_SB, {TRIX_SB_BASE, TRIX_SB_IRQ, TRIX_SB_DMA, -1}, SND_DEFAULT_ENABLE},
 376 #       endif
 377 #       ifdef TRIX_MPU_BASE
 378              {SNDCARD_TRXPRO_MPU, {TRIX_MPU_BASE, TRIX_MPU_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 379 #       endif
 380 #endif
 381 #ifndef EXCLUDE_SSCAPE
 382              {SNDCARD_SSCAPE, {SSCAPE_BASE, SSCAPE_IRQ, SSCAPE_DMA, -1}, SND_DEFAULT_ENABLE},
 383              {SNDCARD_SSCAPE_MSS, {SSCAPE_MSS_BASE, SSCAPE_MSS_IRQ, SSCAPE_MSS_DMA, -1}, SND_DEFAULT_ENABLE},
 384 #endif
 385 #ifndef EXCLUDE_MAD16
 386              {SNDCARD_MAD16, {MAD16_BASE, MAD16_IRQ, MAD16_DMA, MAD16_DMA2}, SND_DEFAULT_ENABLE},
 387 #       ifdef MAD16_MPU_BASE
 388              {SNDCARD_MAD16_MPU, {MAD16_MPU_BASE, MAD16_MPU_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 389 #       endif
 390 #endif
 391 
 392 #ifndef EXCLUDE_CS4232
 393 #       ifdef CS4232_MPU_BASE
 394              {SNDCARD_CS4232_MPU, {CS4232_MPU_BASE, CS4232_MPU_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 395 #       endif
 396              {SNDCARD_CS4232, {CS4232_BASE, CS4232_IRQ, CS4232_DMA, CS4232_DMA2}, SND_DEFAULT_ENABLE},
 397 #endif
 398 
 399 #ifndef EXCLUDE_MSS
 400 #       ifdef PSEUDO_MSS
 401                 {SNDCARD_MSS, {MSS_BASE, MSS_IRQ, MSS_DMA, -1}, SND_DEFAULT_ENABLE},
 402 #       else
 403                 {SNDCARD_PSEUDO_MSS, {MSS_BASE, MSS_IRQ, MSS_DMA, -1}, SND_DEFAULT_ENABLE},
 404 #       endif
 405 #       ifdef MSS2_BASE
 406                 {SNDCARD_MSS, {MSS2_BASE, MSS2_IRQ, MSS2_DMA, -1}, SND_DEFAULT_ENABLE},
 407 #       endif
 408 #endif
 409 
 410 #ifndef EXCLUDE_PAS
 411                 {SNDCARD_PAS, {PAS_BASE, PAS_IRQ, PAS_DMA, -1}, SND_DEFAULT_ENABLE},
 412 #endif
 413 
 414 #ifndef EXCLUDE_SB
 415 #       ifndef SBC_DMA
 416 #               define SBC_DMA          1
 417 #       endif
 418                 {SNDCARD_SB, {SBC_BASE, SBC_IRQ, SBC_DMA, -1}, SND_DEFAULT_ENABLE},
 419 #endif
 420 #if !defined(EXCLUDE_MAUI) 
 421                 {SNDCARD_MAUI, {MAUI_BASE, MAUI_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 422 #endif
 423 
 424 #if !defined(EXCLUDE_MPU401) && !defined(EXCLUDE_MIDI)
 425                 {SNDCARD_MPU401, {MPU_BASE, MPU_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 426 #ifdef MPU2_BASE
 427                 {SNDCARD_MPU401, {MPU2_BASE, MPU2_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 428 #endif
 429 #ifdef MPU3_BASE
 430                 {SNDCARD_MPU401, {MPU3_BASE, MPU2_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 431 #endif
 432 #endif
 433 
 434 #if !defined(EXCLUDE_UART6850) && !defined(EXCLUDE_MIDI)
 435                 {SNDCARD_UART6850, {U6850_BASE, U6850_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 436 #endif
 437 
 438 #if !defined(EXCLUDE_SB) && !defined(EXCLUDE_SB16)
 439 #ifndef EXCLUDE_AUDIO
 440                 {SNDCARD_SB16, {SBC_BASE, SBC_IRQ, SB16_DMA, -1}, SND_DEFAULT_ENABLE},
 441 #endif
 442 #ifndef EXCLUDE_MIDI
 443                 {SNDCARD_SB16MIDI,{SB16MIDI_BASE, SBC_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 444 #endif
 445 #endif
 446 
 447 #ifndef EXCLUDE_GUS
 448 #ifndef EXCLUDE_GUS16
 449                 {SNDCARD_GUS16, {GUS16_BASE, GUS16_IRQ, GUS16_DMA, -1}, SND_DEFAULT_ENABLE},
 450 #endif
 451                 {SNDCARD_GUS, {GUS_BASE, GUS_IRQ, GUS_DMA, GUS_DMA2}, SND_DEFAULT_ENABLE},
 452 #endif
 453 
 454 #ifndef EXCLUDE_YM3812
 455                 {SNDCARD_ADLIB, {FM_MONO, 0, 0, -1}, SND_DEFAULT_ENABLE},
 456 #endif
 457 /* Define some expansion space */
 458                 {0, {0}, 0},
 459                 {0, {0}, 0},
 460                 {0, {0}, 0},
 461                 {0, {0}, 0},
 462                 {0, {0}, 0}
 463         };
 464 
 465         int num_sound_cards =
 466             sizeof(snd_installed_cards) / sizeof (struct card_info);
 467         int max_sound_cards =
 468             sizeof(snd_installed_cards) / sizeof (struct card_info);
 469 
 470 #else
 471         int num_sound_cards = 0;
 472         struct card_info snd_installed_cards[20] = {{0}};
 473         int max_sound_cards = 20;
 474 #endif
 475 
 476 #else
 477         extern struct audio_operations * audio_devs[MAX_AUDIO_DEV]; int num_audiodevs;
 478         extern struct mixer_operations * mixer_devs[MAX_MIXER_DEV]; extern int num_mixers;
 479         extern struct synth_operations * synth_devs[MAX_SYNTH_DEV+MAX_MIDI_DEV]; extern int num_synths;
 480         extern struct midi_operations * midi_devs[MAX_MIDI_DEV]; extern int num_midis;
 481         extern struct sound_timer_operations * sound_timer_devs[MAX_TIMER_DEV]; extern int num_sound_timers;
 482 
 483         extern struct driver_info sound_drivers[];
 484         extern int num_sound_drivers;
 485         extern int max_sound_drivers;
 486         extern struct card_info snd_installed_cards[];
 487         extern int num_sound_cards;
 488         extern int max_sound_cards;
 489 
 490 long sndtable_init(long mem_start);
 491 int sndtable_get_cardcount (void);
 492 struct address_info *sound_getconf(int card_type);
 493 void sound_chconf(int card_type, int ioaddr, int irq, int dma);
 494 int snd_find_driver(int type);
 495 void sound_unload_drivers(void);
 496 void sound_unload_driver(int type);
 497 int sndtable_identify_card(char *name);
 498 void sound_setup (char *str, int *ints);
 499 
 500 int sound_alloc_dmap (int dev, struct dma_buffparms *dmap, int chan);
 501 void sound_free_dmap (int dev, struct dma_buffparms *dmap);
 502 extern int soud_map_buffer (int dev, struct dma_buffparms *dmap, buffmem_desc *info);
 503 void install_pnp_sounddrv(struct pnp_sounddev *drv);
 504 int sndtable_probe (int unit, struct address_info *hw_config);
 505 int sndtable_init_card (int unit, struct address_info *hw_config);
 506 void sound_timer_init (struct sound_lowlev_timer *t, char *name);
 507 int sound_start_dma (   int dev, struct dma_buffparms *dmap, int chan,
 508                         unsigned long physaddr,
 509                         int count, int dma_mode, int autoinit);
 510 void sound_dma_intr (int dev, struct dma_buffparms *dmap, int chan);
 511 
 512 #endif  /* _DEV_TABLE_C_ */
 513 #endif  /* _DEV_TABLE_H_ */

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