root/drivers/sound/dev_table.h

/* */

INCLUDED FROM

   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 struct driver_info {
  44         char *driver_id;
  45         int card_type;  /*      From soundcard.h        */
  46         char *name;
  47         long (*attach) (long mem_start, struct address_info *hw_config);
  48         int (*probe) (struct address_info *hw_config);
  49         void (*unload) (struct address_info *hw_config);
  50 };
  51 
  52 struct card_info {
  53         int card_type;  /* Link (search key) to the driver list */
  54         struct address_info config;
  55         int enabled;
  56         void *for_driver_use;
  57 };
  58 
  59 typedef struct pnp_sounddev
  60 {
  61         int id;
  62         void (*setup)(void *dev);
  63         char *driver_name;
  64 }pnp_sounddev;
  65 
  66 /*
  67  * Device specific parameters (used only by dmabuf.c)
  68  */
  69 #define MAX_SUB_BUFFERS         (32*MAX_REALTIME_FACTOR)
  70 
  71 #define DMODE_NONE              0
  72 #define DMODE_OUTPUT            1
  73 #define DMODE_INPUT             2
  74 
  75 struct dma_buffparms {
  76         int      dma_mode;      /* DMODE_INPUT, DMODE_OUTPUT or DMODE_NONE */
  77 
  78         /*
  79          * Pointers to raw buffers
  80          */
  81 
  82         char     *raw_buf;
  83         unsigned long   raw_buf_phys;
  84 
  85         /*
  86          * Device state tables
  87          */
  88 
  89         unsigned long flags;
  90 #define DMA_BUSY        0x00000001
  91 #define DMA_RESTART     0x00000002
  92 #define DMA_ACTIVE      0x00000004
  93 #define DMA_STARTED     0x00000008
  94 #define DMA_ALLOC_DONE  0x00000020
  95 
  96         int      open_mode;
  97 
  98         /*
  99          * Queue parameters.
 100          */
 101         int      qlen;
 102         int      qhead;
 103         int      qtail;
 104 
 105         int      nbufs;
 106         int      counts[MAX_SUB_BUFFERS];
 107         int      subdivision;
 108 
 109         int      fragment_size;
 110         int      max_fragments;
 111 
 112         int      bytes_in_use;
 113 
 114         int      underrun_count;
 115         int      byte_counter;
 116 
 117         int      mapping_flags;
 118 #define                 DMA_MAP_MAPPED          0x00000001
 119         char    neutral_byte;
 120 };
 121 
 122 /*
 123  * Structure for use with various microcontrollers and DSP processors 
 124  * in the recent soundcards.
 125  */
 126 typedef struct coproc_operations {
 127                 char name[32];
 128                 int (*open) (void *devc, int sub_device);
 129                 void (*close) (void *devc, int sub_device);
 130                 int (*ioctl) (void *devc, unsigned int cmd, ioctl_arg arg, int local);
 131                 void (*reset) (void *devc);
 132 
 133                 void *devc;             /* Driver specific info */
 134         } coproc_operations;
 135 
 136 struct audio_operations {
 137         char name[32];
 138         int flags;
 139 #define NOTHING_SPECIAL         0
 140 #define NEEDS_RESTART           1
 141 #define DMA_AUTOMODE            2
 142 #define DMA_DUPLEX              4
 143         int  format_mask;       /* Bitmask for supported audio formats */
 144         void *devc;             /* Driver specific info */
 145         int (*open) (int dev, int mode);
 146         void (*close) (int dev);
 147         void (*output_block) (int dev, unsigned long buf, 
 148                               int count, int intrflag, int dma_restart);
 149         void (*start_input) (int dev, unsigned long buf, 
 150                              int count, int intrflag, int dma_restart);
 151         int (*ioctl) (int dev, unsigned int cmd, ioctl_arg arg, int local);
 152         int (*prepare_for_input) (int dev, int bufsize, int nbufs);
 153         int (*prepare_for_output) (int dev, int bufsize, int nbufs);
 154         void (*reset) (int dev);
 155         void (*halt_xfer) (int dev);
 156         int (*local_qlen)(int dev);
 157         void (*copy_from_user)(int dev, char *localbuf, int localoffs,
 158                                const snd_rw_buf *userbuf, int useroffs, int len);
 159         void (*halt_input) (int dev);
 160         void (*halt_output) (int dev);
 161         void (*trigger) (int dev, int bits);
 162         long buffsize;
 163         int dmachan1, dmachan2;
 164         struct dma_buffparms *dmap_in, *dmap_out;
 165         struct coproc_operations *coproc;
 166         int mixer_dev;
 167         int enable_bits;
 168         int open_mode;
 169         int go;
 170 };
 171 
 172 struct mixer_operations {
 173         char name[32];
 174         int (*ioctl) (int dev, unsigned int cmd, ioctl_arg arg);
 175 };
 176 
 177 struct synth_operations {
 178         struct synth_info *info;
 179         int midi_dev;
 180         int synth_type;
 181         int synth_subtype;
 182 
 183         int (*open) (int dev, int mode);
 184         void (*close) (int dev);
 185         int (*ioctl) (int dev, unsigned int cmd, ioctl_arg arg);
 186         int (*kill_note) (int dev, int voice, int note, int velocity);
 187         int (*start_note) (int dev, int voice, int note, int velocity);
 188         int (*set_instr) (int dev, int voice, int instr);
 189         void (*reset) (int dev);
 190         void (*hw_control) (int dev, unsigned char *event);
 191         int (*load_patch) (int dev, int format, const snd_rw_buf *addr,
 192              int offs, int count, int pmgr_flag);
 193         void (*aftertouch) (int dev, int voice, int pressure);
 194         void (*controller) (int dev, int voice, int ctrl_num, int value);
 195         void (*panning) (int dev, int voice, int value);
 196         void (*volume_method) (int dev, int mode);
 197         int (*pmgr_interface) (int dev, struct patmgr_info *info);
 198         void (*bender) (int dev, int chn, int value);
 199         int (*alloc_voice) (int dev, int chn, int note, struct voice_alloc_info *alloc);
 200         void (*setup_voice) (int dev, int voice, int chn);
 201         int (*send_sysex)(int dev, unsigned char *bytes, int len);
 202 
 203         struct voice_alloc_info alloc;
 204         struct channel_info chn_info[16];
 205 };
 206 
 207 struct midi_input_info { /* MIDI input scanner variables */
 208 #define MI_MAX  10
 209                 int             m_busy;
 210                 unsigned char   m_buf[MI_MAX];
 211                 unsigned char   m_prev_status;  /* For running status */
 212                 int             m_ptr;
 213 #define MST_INIT                        0
 214 #define MST_DATA                        1
 215 #define MST_SYSEX                       2
 216                 int             m_state;
 217                 int             m_left;
 218         };
 219 
 220 struct midi_operations {
 221         struct midi_info info;
 222         struct synth_operations *converter;
 223         struct midi_input_info in_info;
 224         int (*open) (int dev, int mode,
 225                 void (*inputintr)(int dev, unsigned char data),
 226                 void (*outputintr)(int dev)
 227                 );
 228         void (*close) (int dev);
 229         int (*ioctl) (int dev, unsigned int cmd, ioctl_arg arg);
 230         int (*putc) (int dev, unsigned char data);
 231         int (*start_read) (int dev);
 232         int (*end_read) (int dev);
 233         void (*kick)(int dev);
 234         int (*command) (int dev, unsigned char *data);
 235         int (*buffer_status) (int dev);
 236         int (*prefix_cmd) (int dev, unsigned char status);
 237         struct coproc_operations *coproc;
 238 };
 239 
 240 struct sound_lowlev_timer {
 241                 int dev;
 242                 unsigned int (*tmr_start)(int dev, unsigned int usecs);
 243                 void (*tmr_disable)(int dev);
 244                 void (*tmr_restart)(int dev);
 245         };
 246 
 247 struct sound_timer_operations {
 248         struct sound_timer_info info;
 249         int priority;
 250         int devlink;
 251         int (*open)(int dev, int mode);
 252         void (*close)(int dev);
 253         int (*event)(int dev, unsigned char *ev);
 254         unsigned long (*get_time)(int dev);
 255         int (*ioctl) (int dev, unsigned int cmd, ioctl_arg arg);
 256         void (*arm_timer)(int dev, long time);
 257 };
 258 
 259 #ifdef _DEV_TABLE_C_   
 260         struct audio_operations *audio_devs[MAX_AUDIO_DEV] = {NULL}; int num_audiodevs = 0;
 261         struct mixer_operations *mixer_devs[MAX_MIXER_DEV] = {NULL}; int num_mixers = 0;
 262         struct synth_operations *synth_devs[MAX_SYNTH_DEV+MAX_MIDI_DEV] = {NULL}; int num_synths = 0;
 263         struct midi_operations *midi_devs[MAX_MIDI_DEV] = {NULL}; int num_midis = 0;
 264 
 265 #ifndef EXCLUDE_SEQUENCER
 266         extern struct sound_timer_operations default_sound_timer;
 267         struct sound_timer_operations *sound_timer_devs[MAX_TIMER_DEV] = 
 268                 {&default_sound_timer, NULL}; 
 269         int num_sound_timers = 1;
 270 #else
 271         struct sound_timer_operations *sound_timer_devs[MAX_TIMER_DEV] = 
 272                 {NULL}; 
 273         int num_sound_timers = 0;
 274 #endif
 275 
 276 /*
 277  * List of low level drivers compiled into the kernel.
 278  */
 279 
 280         struct driver_info sound_drivers[] = {
 281 #ifndef EXCLUDE_PSS
 282           {"PSSECHO", SNDCARD_PSS, "Echo Personal Sound System PSS (ESC614)", attach_pss, probe_pss, unload_pss},
 283           {"PSSMPU", SNDCARD_PSS_MPU, "PSS-MPU", attach_pss_mpu, probe_pss_mpu, unload_pss_mpu},
 284           {"PSSMSS", SNDCARD_PSS_MSS, "PSS-MSS", attach_pss_mss, probe_pss_mss, unload_pss_mss},
 285 #endif
 286 #ifndef EXCLUDE_MSS
 287                 {"MSS", SNDCARD_MSS,    "MS Sound System",      attach_ms_sound, probe_ms_sound, unload_ms_sound},
 288                 {"PCXBJ", SNDCARD_MSS,  "MS Sound System",      attach_ms_sound, probe_ms_sound, unload_ms_sound},
 289 #endif
 290 #ifndef EXCLUDE_MAD16
 291                 {"MAD16", SNDCARD_MAD16,        "MAD16/Mozart (MSS)",           attach_mad16, probe_mad16, unload_mad16},
 292                 {"MAD16MPU", SNDCARD_MAD16_MPU, "MAD16/Mozart (MPU)",           attach_mad16_mpu, probe_mad16_mpu, unload_mad16_mpu},
 293 #endif
 294 #ifndef EXCLUDE_CS4232
 295                 {"CS4232", SNDCARD_CS4232,      "CS4232",               attach_cs4232, probe_cs4232, unload_cs4232},
 296                 {"CS4232MPU", SNDCARD_CS4232_MPU,       "CS4232 MIDI",          attach_cs4232_mpu, probe_cs4232_mpu, unload_cs4232_mpu},
 297 #endif
 298 #ifndef EXCLUDE_YM3812
 299                 {"OPL3", SNDCARD_ADLIB, "OPL-2/OPL-3 FM",               attach_adlib_card, probe_adlib, unload_adlib},
 300 #endif
 301 #ifndef EXCLUDE_PAS
 302                 {"PAS16", SNDCARD_PAS,  "ProAudioSpectrum",     attach_pas_card, probe_pas, unload_pas},
 303 #endif
 304 #if !defined(EXCLUDE_MPU401) && !defined(EXCLUDE_MIDI)
 305                 {"MPU401", SNDCARD_MPU401,"Roland MPU-401",     attach_mpu401, probe_mpu401, unload_mpu401},
 306 #endif
 307 #if !defined(EXCLUDE_MAUI)
 308                 {"MAUI", SNDCARD_MAUI,"TB Maui",        attach_maui, probe_maui, unload_maui},
 309 #endif
 310 #if !defined(EXCLUDE_UART6850) && !defined(EXCLUDE_MIDI)
 311                 {"MIDI6850", SNDCARD_UART6850,"6860 UART Midi", attach_uart6850, probe_uart6850, unload_uart6850},
 312 #endif
 313 #ifndef EXCLUDE_SB
 314                 {"SBLAST", SNDCARD_SB,  "SoundBlaster",         attach_sb_card, probe_sb, unload_sb},
 315 #endif
 316 #if !defined(EXCLUDE_SB) && !defined(EXCLUDE_SB16)
 317 #ifndef EXCLUDE_AUDIO
 318                 {"SB16", SNDCARD_SB16,  "SoundBlaster16",       sb16_dsp_init, sb16_dsp_detect, unload_sb16},
 319 #endif
 320 #ifndef EXCLUDE_MIDI
 321                 {"SB16MIDI", SNDCARD_SB16MIDI,"SB16 MIDI",      attach_sb16midi, probe_sb16midi, unload_sb16midi},
 322 #endif
 323 #endif
 324 #ifndef EXCLUDE_GUS16
 325                 {"GUS16", SNDCARD_GUS16,        "Ultrasound 16-bit opt.",       attach_gus_db16, probe_gus_db16, unload_gus_db16},
 326 #endif
 327 #ifndef EXCLUDE_GUS
 328                 {"GUS", SNDCARD_GUS,    "Gravis Ultrasound",    attach_gus_card, probe_gus, unload_gus},
 329 #endif
 330 #ifndef EXCLUDE_SSCAPE
 331                 {"SSCAPE", SNDCARD_SSCAPE, "Ensoniq Soundscape",        attach_sscape, probe_sscape, unload_sscape},
 332                 {"SCAPEMSS", SNDCARD_SSCAPE_MSS,        "MS Sound System (SoundScape)", attach_ss_ms_sound, probe_ss_ms_sound, unload_ss_ms_sound},
 333 #endif
 334 #ifndef EXCLUDE_TRIX
 335                 {"TRXPRO", SNDCARD_TRXPRO, "MediaTriX AudioTriX Pro",   attach_trix_wss, probe_trix_wss, unload_trix_wss},
 336                 {"TRXPROSB", SNDCARD_TRXPRO_SB, "AudioTriX (SB mode)",  attach_trix_sb, probe_trix_sb, unload_trix_sb},
 337                 {"TRXPROMPU", SNDCARD_TRXPRO_MPU, "AudioTriX MIDI",     attach_trix_mpu, probe_trix_mpu, unload_trix_mpu},
 338 #endif
 339 #ifndef EXCLUDE_PNP
 340                 {"AD1848", 1000, "PnP MSS",     attach_pnp_ad1848, probe_pnp_ad1848, unload_pnp_ad1848},
 341 #endif
 342                 {NULL, 0,               "*?*",                  NULL, NULL, NULL}
 343         };
 344 
 345 
 346 #ifndef FULL_SOUND
 347 /*
 348  *      List of devices actually configured in the system.
 349  *
 350  *      Note! The detection order is significant. Don't change it.
 351  */
 352 
 353         struct card_info snd_installed_cards[] = {
 354 #ifndef EXCLUDE_PSS
 355              {SNDCARD_PSS, {PSS_BASE, 0, -1, -1}, SND_DEFAULT_ENABLE},
 356 #       ifdef PSS_MPU_BASE
 357              {SNDCARD_PSS_MPU, {PSS_MPU_BASE, PSS_MPU_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 358 #       endif
 359 #       ifdef PSS_MSS_BASE
 360              {SNDCARD_PSS_MSS, {PSS_MSS_BASE, PSS_MSS_IRQ, PSS_MSS_DMA, -1}, SND_DEFAULT_ENABLE},
 361 #       endif
 362 #endif
 363 #ifndef EXCLUDE_TRIX
 364              {SNDCARD_TRXPRO, {TRIX_BASE, TRIX_IRQ, TRIX_DMA, TRIX_DMA2}, SND_DEFAULT_ENABLE},
 365 #       ifdef TRIX_SB_BASE
 366              {SNDCARD_TRXPRO_SB, {TRIX_SB_BASE, TRIX_SB_IRQ, TRIX_SB_DMA, -1}, SND_DEFAULT_ENABLE},
 367 #       endif
 368 #       ifdef TRIX_MPU_BASE
 369              {SNDCARD_TRXPRO_MPU, {TRIX_MPU_BASE, TRIX_MPU_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 370 #       endif
 371 #endif
 372 #ifndef EXCLUDE_SSCAPE
 373              {SNDCARD_SSCAPE, {SSCAPE_BASE, SSCAPE_IRQ, SSCAPE_DMA, -1}, SND_DEFAULT_ENABLE},
 374              {SNDCARD_SSCAPE_MSS, {SSCAPE_MSS_BASE, SSCAPE_MSS_IRQ, SSCAPE_MSS_DMA, -1}, SND_DEFAULT_ENABLE},
 375 #endif
 376 #ifndef EXCLUDE_MAD16
 377              {SNDCARD_MAD16, {MAD16_BASE, MAD16_IRQ, MAD16_DMA, MAD16_DMA2}, SND_DEFAULT_ENABLE},
 378 #       ifdef MAD16_MPU_BASE
 379              {SNDCARD_MAD16_MPU, {MAD16_MPU_BASE, MAD16_MPU_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 380 #       endif
 381 #endif
 382 
 383 #ifndef EXCLUDE_CS4232
 384 #       ifdef CS4232_MPU_BASE
 385              {SNDCARD_CS4232_MPU, {CS4232_MPU_BASE, CS4232_MPU_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 386 #       endif
 387              {SNDCARD_CS4232, {CS4232_BASE, CS4232_IRQ, CS4232_DMA, CS4232_DMA2}, SND_DEFAULT_ENABLE},
 388 #endif
 389 
 390 #ifndef EXCLUDE_MSS
 391                 {SNDCARD_MSS, {MSS_BASE, MSS_IRQ, MSS_DMA, -1}, SND_DEFAULT_ENABLE},
 392 #       ifdef MSS2_BASE
 393                 {SNDCARD_MSS, {MSS2_BASE, MSS2_IRQ, MSS2_DMA, -1}, SND_DEFAULT_ENABLE},
 394 #       endif
 395 #endif
 396 
 397 #ifndef EXCLUDE_PAS
 398                 {SNDCARD_PAS, {PAS_BASE, PAS_IRQ, PAS_DMA, -1}, SND_DEFAULT_ENABLE},
 399 #endif
 400 
 401 #ifndef EXCLUDE_SB
 402 #       ifndef SBC_DMA
 403 #               define SBC_DMA          1
 404 #       endif
 405                 {SNDCARD_SB, {SBC_BASE, SBC_IRQ, SBC_DMA, -1}, SND_DEFAULT_ENABLE},
 406 #endif
 407 #if !defined(EXCLUDE_MAUI) 
 408                 {SNDCARD_MAUI, {MAUI_BASE, MAUI_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 409 #endif
 410 
 411 #if !defined(EXCLUDE_MPU401) && !defined(EXCLUDE_MIDI)
 412                 {SNDCARD_MPU401, {MPU_BASE, MPU_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 413 #ifdef MPU2_BASE
 414                 {SNDCARD_MPU401, {MPU2_BASE, MPU2_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 415 #endif
 416 #ifdef MPU3_BASE
 417                 {SNDCARD_MPU401, {MPU3_BASE, MPU2_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 418 #endif
 419 #endif
 420 
 421 #if !defined(EXCLUDE_UART6850) && !defined(EXCLUDE_MIDI)
 422                 {SNDCARD_UART6850, {U6850_BASE, U6850_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 423 #endif
 424 
 425 #if !defined(EXCLUDE_SB) && !defined(EXCLUDE_SB16)
 426 #ifndef EXCLUDE_AUDIO
 427                 {SNDCARD_SB16, {SBC_BASE, SBC_IRQ, SB16_DMA, -1}, SND_DEFAULT_ENABLE},
 428 #endif
 429 #ifndef EXCLUDE_MIDI
 430                 {SNDCARD_SB16MIDI,{SB16MIDI_BASE, SBC_IRQ, 0, -1}, SND_DEFAULT_ENABLE},
 431 #endif
 432 #endif
 433 
 434 #ifndef EXCLUDE_GUS
 435 #ifndef EXCLUDE_GUS16
 436                 {SNDCARD_GUS16, {GUS16_BASE, GUS16_IRQ, GUS16_DMA, -1}, SND_DEFAULT_ENABLE},
 437 #endif
 438                 {SNDCARD_GUS, {GUS_BASE, GUS_IRQ, GUS_DMA, GUS_DMA2}, SND_DEFAULT_ENABLE},
 439 #endif
 440 
 441 #ifndef EXCLUDE_YM3812
 442                 {SNDCARD_ADLIB, {FM_MONO, 0, 0, -1}, SND_DEFAULT_ENABLE},
 443 #endif
 444 /* Define some expansion space */
 445                 {0, {0}, 0},
 446                 {0, {0}, 0},
 447                 {0, {0}, 0},
 448                 {0, {0}, 0},
 449                 {0, {0}, 0}
 450         };
 451 
 452         int num_sound_cards =
 453             sizeof(snd_installed_cards) / sizeof (struct card_info);
 454         int max_sound_cards =
 455             sizeof(snd_installed_cards) / sizeof (struct card_info);
 456 
 457 #else
 458         int num_sound_cards = 0;
 459         struct card_info snd_installed_cards[20] = {{0}};
 460         int max_sound_cards = 20;
 461 #endif
 462 
 463         int num_sound_drivers =
 464             sizeof(sound_drivers) / sizeof (struct driver_info);
 465 
 466 #else
 467         extern struct audio_operations * audio_devs[MAX_AUDIO_DEV]; int num_audiodevs;
 468         extern struct mixer_operations * mixer_devs[MAX_MIXER_DEV]; extern int num_mixers;
 469         extern struct synth_operations * synth_devs[MAX_SYNTH_DEV+MAX_MIDI_DEV]; extern int num_synths;
 470         extern struct midi_operations * midi_devs[MAX_MIDI_DEV]; extern int num_midis;
 471         extern struct sound_timer_operations * sound_timer_devs[MAX_SYNTH_DEV+MAX_MIDI_DEV]; extern int num_sound_timers;
 472 
 473         extern struct driver_info sound_drivers[];
 474         extern int num_sound_drivers;
 475         extern struct card_info snd_installed_cards[];
 476         extern int num_sound_cards;
 477         extern int max_sound_cards;
 478 
 479 long sndtable_init(long mem_start);
 480 int sndtable_get_cardcount (void);
 481 struct address_info *sound_getconf(int card_type);
 482 void sound_chconf(int card_type, int ioaddr, int irq, int dma);
 483 int snd_find_driver(int type);
 484 void sound_unload_drivers(void);
 485 int sndtable_identify_card(char *name);
 486 void sound_setup (char *str, int *ints);
 487 
 488 int sound_alloc_dmap (int dev, struct dma_buffparms *dmap, int chan);
 489 void sound_free_dmap (int dev, struct dma_buffparms *dmap);
 490 extern int soud_map_buffer (int dev, struct dma_buffparms *dmap, buffmem_desc *info);
 491 void install_pnp_sounddrv(struct pnp_sounddev *drv);
 492 int sndtable_probe (int unit, struct address_info *hw_config);
 493 int sndtable_init_card (int unit, struct address_info *hw_config);
 494 void sound_timer_init (struct sound_lowlev_timer *t, char *name);
 495 
 496 #endif  /* _DEV_TABLE_C_ */
 497 #endif  /* _DEV_TABLE_H_ */

/* */