include/sound/gus.h

   1 #ifndef __SOUND_GUS_H
   2 #define __SOUND_GUS_H
   3
   4 /*
   5  *  Global structures used for GUS part of ALSA driver
   6  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   7  *
   8  *
   9  *   This program is free software; you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License as published by
  11  *   the Free Software Foundation; either version 2 of the License, or
  12  *   (at your option) any later version.
  13  *
  14  *   This program is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *   GNU General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU General Public License
  20  *   along with this program; if not, write to the Free Software
  21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  22  *
  23  */
  24
  25 #include <sound/pcm.h>
  26 #include <sound/rawmidi.h>
  27 #include <sound/timer.h>
  28 #include <sound/seq_midi_emul.h>
  29 #include <sound/seq_device.h>
  30 #include <linux/io.h>
  31
  32 /* IO ports */
  33
  34 #define GUSP(gus, x)                    ((gus)->gf1.port + SNDRV_g_u_s_##x)
  35
  36 #define SNDRV_g_u_s_MIDICTRL            (0x320-0x220)
  37 #define SNDRV_g_u_s_MIDISTAT            (0x320-0x220)
  38 #define SNDRV_g_u_s_MIDIDATA            (0x321-0x220)
  39
  40 #define SNDRV_g_u_s_GF1PAGE             (0x322-0x220)
  41 #define SNDRV_g_u_s_GF1REGSEL           (0x323-0x220)
  42 #define SNDRV_g_u_s_GF1DATALOW          (0x324-0x220)
  43 #define SNDRV_g_u_s_GF1DATAHIGH         (0x325-0x220)
  44 #define SNDRV_g_u_s_IRQSTAT             (0x226-0x220)
  45 #define SNDRV_g_u_s_TIMERCNTRL          (0x228-0x220)
  46 #define SNDRV_g_u_s_TIMERDATA           (0x229-0x220)
  47 #define SNDRV_g_u_s_DRAM                (0x327-0x220)
  48 #define SNDRV_g_u_s_MIXCNTRLREG         (0x220-0x220)
  49 #define SNDRV_g_u_s_IRQDMACNTRLREG      (0x22b-0x220)
  50 #define SNDRV_g_u_s_REGCNTRLS           (0x22f-0x220)
  51 #define SNDRV_g_u_s_BOARDVERSION        (0x726-0x220)
  52 #define SNDRV_g_u_s_MIXCNTRLPORT        (0x726-0x220)
  53 #define SNDRV_g_u_s_IVER                (0x325-0x220)
  54 #define SNDRV_g_u_s_MIXDATAPORT         (0x326-0x220)
  55 #define SNDRV_g_u_s_MAXCNTRLPORT        (0x326-0x220)
  56
  57 /* GF1 registers */
  58
  59 /* global registers */
  60 #define SNDRV_GF1_GB_ACTIVE_VOICES              0x0e
  61 #define SNDRV_GF1_GB_VOICES_IRQ                 0x0f
  62 #define SNDRV_GF1_GB_GLOBAL_MODE                0x19
  63 #define SNDRV_GF1_GW_LFO_BASE                   0x1a
  64 #define SNDRV_GF1_GB_VOICES_IRQ_READ            0x1f
  65 #define SNDRV_GF1_GB_DRAM_DMA_CONTROL           0x41
  66 #define SNDRV_GF1_GW_DRAM_DMA_LOW               0x42
  67 #define SNDRV_GF1_GW_DRAM_IO_LOW                0x43
  68 #define SNDRV_GF1_GB_DRAM_IO_HIGH               0x44
  69 #define SNDRV_GF1_GB_SOUND_BLASTER_CONTROL      0x45
  70 #define SNDRV_GF1_GB_ADLIB_TIMER_1              0x46
  71 #define SNDRV_GF1_GB_ADLIB_TIMER_2              0x47
  72 #define SNDRV_GF1_GB_RECORD_RATE                0x48
  73 #define SNDRV_GF1_GB_REC_DMA_CONTROL            0x49
  74 #define SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL         0x4b
  75 #define SNDRV_GF1_GB_RESET                      0x4c
  76 #define SNDRV_GF1_GB_DRAM_DMA_HIGH              0x50
  77 #define SNDRV_GF1_GW_DRAM_IO16                  0x51
  78 #define SNDRV_GF1_GW_MEMORY_CONFIG              0x52
  79 #define SNDRV_GF1_GB_MEMORY_CONTROL             0x53
  80 #define SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR      0x54
  81 #define SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR        0x55
  82 #define SNDRV_GF1_GW_FIFO_SIZE                  0x56
  83 #define SNDRV_GF1_GW_INTERLEAVE                 0x57
  84 #define SNDRV_GF1_GB_COMPATIBILITY              0x59
  85 #define SNDRV_GF1_GB_DECODE_CONTROL             0x5a
  86 #define SNDRV_GF1_GB_VERSION_NUMBER             0x5b
  87 #define SNDRV_GF1_GB_MPU401_CONTROL_A           0x5c
  88 #define SNDRV_GF1_GB_MPU401_CONTROL_B           0x5d
  89 #define SNDRV_GF1_GB_EMULATION_IRQ              0x60
  90 /* voice specific registers */
  91 #define SNDRV_GF1_VB_ADDRESS_CONTROL            0x00
  92 #define SNDRV_GF1_VW_FREQUENCY                  0x01
  93 #define SNDRV_GF1_VW_START_HIGH                 0x02
  94 #define SNDRV_GF1_VW_START_LOW                  0x03
  95 #define SNDRV_GF1_VA_START                      SNDRV_GF1_VW_START_HIGH
  96 #define SNDRV_GF1_VW_END_HIGH                   0x04
  97 #define SNDRV_GF1_VW_END_LOW                    0x05
  98 #define SNDRV_GF1_VA_END                        SNDRV_GF1_VW_END_HIGH
  99 #define SNDRV_GF1_VB_VOLUME_RATE                0x06
 100 #define SNDRV_GF1_VB_VOLUME_START               0x07
 101 #define SNDRV_GF1_VB_VOLUME_END                 0x08
 102 #define SNDRV_GF1_VW_VOLUME                     0x09
 103 #define SNDRV_GF1_VW_CURRENT_HIGH               0x0a
 104 #define SNDRV_GF1_VW_CURRENT_LOW                0x0b
 105 #define SNDRV_GF1_VA_CURRENT                    SNDRV_GF1_VW_CURRENT_HIGH
 106 #define SNDRV_GF1_VB_PAN                        0x0c
 107 #define SNDRV_GF1_VW_OFFSET_RIGHT               0x0c
 108 #define SNDRV_GF1_VB_VOLUME_CONTROL             0x0d
 109 #define SNDRV_GF1_VB_UPPER_ADDRESS              0x10
 110 #define SNDRV_GF1_VW_EFFECT_HIGH                0x11
 111 #define SNDRV_GF1_VW_EFFECT_LOW                 0x12
 112 #define SNDRV_GF1_VA_EFFECT                     SNDRV_GF1_VW_EFFECT_HIGH
 113 #define SNDRV_GF1_VW_OFFSET_LEFT                0x13
 114 #define SNDRV_GF1_VB_ACCUMULATOR                0x14
 115 #define SNDRV_GF1_VB_MODE                       0x15
 116 #define SNDRV_GF1_VW_EFFECT_VOLUME              0x16
 117 #define SNDRV_GF1_VB_FREQUENCY_LFO              0x17
 118 #define SNDRV_GF1_VB_VOLUME_LFO                 0x18
 119 #define SNDRV_GF1_VW_OFFSET_RIGHT_FINAL         0x1b
 120 #define SNDRV_GF1_VW_OFFSET_LEFT_FINAL          0x1c
 121 #define SNDRV_GF1_VW_EFFECT_VOLUME_FINAL        0x1d
 122
 123 /* ICS registers */
 124
 125 #define SNDRV_ICS_MIC_DEV               0
 126 #define SNDRV_ICS_LINE_DEV              1
 127 #define SNDRV_ICS_CD_DEV                2
 128 #define SNDRV_ICS_GF1_DEV               3
 129 #define SNDRV_ICS_NONE_DEV              4
 130 #define SNDRV_ICS_MASTER_DEV            5
 131
 132 /* LFO */
 133
 134 #define SNDRV_LFO_TREMOLO               0
 135 #define SNDRV_LFO_VIBRATO               1
 136
 137 /* misc */
 138
 139 #define SNDRV_GF1_DMA_UNSIGNED  0x80
 140 #define SNDRV_GF1_DMA_16BIT     0x40
 141 #define SNDRV_GF1_DMA_IRQ       0x20
 142 #define SNDRV_GF1_DMA_WIDTH16   0x04
 143 #define SNDRV_GF1_DMA_READ      0x02    /* read from GUS's DRAM */
 144 #define SNDRV_GF1_DMA_ENABLE    0x01
 145
 146 /* ramp ranges */
 147
 148 #define SNDRV_GF1_ATTEN(x)      (snd_gf1_atten_table[x])
 149 #define SNDRV_GF1_MIN_VOLUME    1800
 150 #define SNDRV_GF1_MAX_VOLUME    4095
 151 #define SNDRV_GF1_MIN_OFFSET    (SNDRV_GF1_MIN_VOLUME>>4)
 152 #define SNDRV_GF1_MAX_OFFSET    255
 153 #define SNDRV_GF1_MAX_TDEPTH    90
 154
 155 /* defines for memory manager */
 156
 157 #define SNDRV_GF1_MEM_BLOCK_16BIT       0x0001
 158
 159 #define SNDRV_GF1_MEM_OWNER_DRIVER      0x0001
 160 #define SNDRV_GF1_MEM_OWNER_WAVE_SIMPLE 0x0002
 161 #define SNDRV_GF1_MEM_OWNER_WAVE_GF1    0x0003
 162 #define SNDRV_GF1_MEM_OWNER_WAVE_IWFFFF 0x0004
 163
 164 /* constants for interrupt handlers */
 165
 166 #define SNDRV_GF1_HANDLER_MIDI_OUT      0x00010000
 167 #define SNDRV_GF1_HANDLER_MIDI_IN       0x00020000
 168 #define SNDRV_GF1_HANDLER_TIMER1        0x00040000
 169 #define SNDRV_GF1_HANDLER_TIMER2        0x00080000
 170 #define SNDRV_GF1_HANDLER_VOICE         0x00100000
 171 #define SNDRV_GF1_HANDLER_DMA_WRITE     0x00200000
 172 #define SNDRV_GF1_HANDLER_DMA_READ      0x00400000
 173 #define SNDRV_GF1_HANDLER_ALL           (0xffff0000&~SNDRV_GF1_HANDLER_VOICE)
 174
 175 /* constants for DMA flags */
 176
 177 #define SNDRV_GF1_DMA_TRIGGER           1
 178
 179 /* --- */
 180
 181 struct snd_gus_card;
 182
 183 /* GF1 specific structure */
 184
 185 struct snd_gf1_bank_info {
 186         unsigned int address;
 187         unsigned int size;
 188 };
 189
 190 struct snd_gf1_mem_block {
 191         unsigned short flags;   /* flags - SNDRV_GF1_MEM_BLOCK_XXXX */
 192         unsigned short owner;   /* owner - SNDRV_GF1_MEM_OWNER_XXXX */
 193         unsigned int share;     /* share count */
 194         unsigned int share_id[4]; /* share ID */
 195         unsigned int ptr;
 196         unsigned int size;
 197         char *name;
 198         struct snd_gf1_mem_block *next;
 199         struct snd_gf1_mem_block *prev;
 200 };
 201
 202 struct snd_gf1_mem {
 203         struct snd_gf1_bank_info banks_8[4];
 204         struct snd_gf1_bank_info banks_16[4];
 205         struct snd_gf1_mem_block *first;
 206         struct snd_gf1_mem_block *last;
 207         struct mutex memory_mutex;
 208 };
 209
 210 struct snd_gf1_dma_block {
 211         void *buffer;           /* buffer in computer's RAM */
 212         unsigned long buf_addr; /* buffer address */
 213         unsigned int addr;      /* address in onboard memory */
 214         unsigned int count;     /* count in bytes */
 215         unsigned int cmd;       /* DMA command (format) */
 216         void (*ack)(struct snd_gus_card * gus, void *private_data);
 217         void *private_data;
 218         struct snd_gf1_dma_block *next;
 219 };
 220
 221 struct snd_gus_port {
 222         struct snd_midi_channel_set * chset;
 223         struct snd_gus_card * gus;
 224         int mode;               /* operation mode */
 225         int client;             /* sequencer client number */
 226         int port;               /* sequencer port number */
 227         unsigned int midi_has_voices: 1;
 228 };
 229
 230 struct snd_gus_voice;
 231
 232 #define SNDRV_GF1_VOICE_TYPE_PCM        0
 233 #define SNDRV_GF1_VOICE_TYPE_SYNTH      1
 234 #define SNDRV_GF1_VOICE_TYPE_MIDI       2
 235
 236 #define SNDRV_GF1_VFLG_RUNNING          (1<<0)
 237 #define SNDRV_GF1_VFLG_EFFECT_TIMER1    (1<<1)
 238 #define SNDRV_GF1_VFLG_PAN              (1<<2)
 239
 240 enum snd_gus_volume_state {
 241         VENV_BEFORE,
 242         VENV_ATTACK,
 243         VENV_SUSTAIN,
 244         VENV_RELEASE,
 245         VENV_DONE,
 246         VENV_VOLUME
 247 };
 248
 249 struct snd_gus_voice {
 250         int number;
 251         unsigned int use: 1,
 252             pcm: 1,
 253             synth:1,
 254             midi: 1;
 255         unsigned int flags;
 256         unsigned char client;
 257         unsigned char port;
 258         unsigned char index;
 259         unsigned char pad;
 260
 261 #ifdef CONFIG_SND_DEBUG
 262         unsigned int interrupt_stat_wave;
 263         unsigned int interrupt_stat_volume;
 264 #endif
 265         void (*handler_wave) (struct snd_gus_card * gus, struct snd_gus_voice * voice);
 266         void (*handler_volume) (struct snd_gus_card * gus, struct snd_gus_voice * voice);
 267         void (*handler_effect) (struct snd_gus_card * gus, struct snd_gus_voice * voice);
 268         void (*volume_change) (struct snd_gus_card * gus);
 269
 270         struct snd_gus_sample_ops *sample_ops;
 271
 272         /* running status / registers */
 273
 274         unsigned short fc_register;
 275         unsigned short fc_lfo;
 276         unsigned short gf1_volume;
 277         unsigned char control;
 278         unsigned char mode;
 279         unsigned char gf1_pan;
 280         unsigned char effect_accumulator;
 281         unsigned char volume_control;
 282         unsigned char venv_value_next;
 283         enum snd_gus_volume_state venv_state;
 284         enum snd_gus_volume_state venv_state_prev;
 285         unsigned short vlo;
 286         unsigned short vro;
 287         unsigned short gf1_effect_volume;
 288
 289         /* --- */
 290
 291         void *private_data;
 292         void (*private_free)(struct snd_gus_voice *voice);
 293 };
 294
 295 struct snd_gf1 {
 296
 297         unsigned int enh_mode:1,        /* enhanced mode (GFA1) */
 298                      hw_lfo:1,          /* use hardware LFO */
 299                      sw_lfo:1,          /* use software LFO */
 300                      effect:1;          /* use effect voices */
 301
 302         unsigned long port;             /* port of GF1 chip */
 303         struct resource *res_port1;
 304         struct resource *res_port2;
 305         int irq;                        /* IRQ number */
 306         int dma1;                       /* DMA1 number */
 307         int dma2;                       /* DMA2 number */
 308         unsigned int memory;            /* GUS's DRAM size in bytes */
 309         unsigned int rom_memory;        /* GUS's ROM size in bytes */
 310         unsigned int rom_present;       /* bitmask */
 311         unsigned int rom_banks;         /* GUS's ROM banks */
 312
 313         struct snd_gf1_mem mem_alloc;
 314
 315         /* registers */
 316         unsigned short reg_page;
 317         unsigned short reg_regsel;
 318         unsigned short reg_data8;
 319         unsigned short reg_data16;
 320         unsigned short reg_irqstat;
 321         unsigned short reg_dram;
 322         unsigned short reg_timerctrl;
 323         unsigned short reg_timerdata;
 324         unsigned char ics_regs[6][2];
 325         /* --------- */
 326
 327         unsigned char active_voices;    /* active voices */
 328         unsigned char active_voice;     /* selected voice (GF1PAGE register) */
 329
 330         struct snd_gus_voice voices[32];        /* GF1 voices */
 331
 332         unsigned int default_voice_address;
 333
 334         unsigned short playback_freq;   /* GF1 playback (mixing) frequency */
 335         unsigned short mode;            /* see to SNDRV_GF1_MODE_XXXX */
 336         unsigned char volume_ramp;
 337         unsigned char smooth_pan;
 338         unsigned char full_range_pan;
 339         unsigned char pad0;
 340
 341         unsigned char *lfos;
 342
 343         /* interrupt handlers */
 344
 345         void (*interrupt_handler_midi_out) (struct snd_gus_card * gus);
 346         void (*interrupt_handler_midi_in) (struct snd_gus_card * gus);
 347         void (*interrupt_handler_timer1) (struct snd_gus_card * gus);
 348         void (*interrupt_handler_timer2) (struct snd_gus_card * gus);
 349         void (*interrupt_handler_dma_write) (struct snd_gus_card * gus);
 350         void (*interrupt_handler_dma_read) (struct snd_gus_card * gus);
 351
 352 #ifdef CONFIG_SND_DEBUG
 353         unsigned int interrupt_stat_midi_out;
 354         unsigned int interrupt_stat_midi_in;
 355         unsigned int interrupt_stat_timer1;
 356         unsigned int interrupt_stat_timer2;
 357         unsigned int interrupt_stat_dma_write;
 358         unsigned int interrupt_stat_dma_read;
 359         unsigned int interrupt_stat_voice_lost;
 360 #endif
 361
 362         /* synthesizer */
 363
 364         int seq_client;
 365         struct snd_gus_port seq_ports[4];
 366
 367         /* timer */
 368
 369         unsigned short timer_enabled;
 370         struct snd_timer *timer1;
 371         struct snd_timer *timer2;
 372
 373         /* midi */
 374
 375         unsigned short uart_cmd;
 376         unsigned int uart_framing;
 377         unsigned int uart_overrun;
 378
 379         /* dma operations */
 380
 381         unsigned int dma_flags;
 382         unsigned int dma_shared;
 383         struct snd_gf1_dma_block *dma_data_pcm;
 384         struct snd_gf1_dma_block *dma_data_pcm_last;
 385         struct snd_gf1_dma_block *dma_data_synth;
 386         struct snd_gf1_dma_block *dma_data_synth_last;
 387         void (*dma_ack)(struct snd_gus_card * gus, void *private_data);
 388         void *dma_private_data;
 389
 390         /* pcm */
 391         int pcm_channels;
 392         int pcm_alloc_voices;
 393         unsigned short pcm_volume_level_left;
 394         unsigned short pcm_volume_level_right;
 395         unsigned short pcm_volume_level_left1;
 396         unsigned short pcm_volume_level_right1;
 397
 398         unsigned char pcm_rcntrl_reg;
 399         unsigned char pad_end;
 400 };
 401
 402 /* main structure for GUS card */
 403
 404 struct snd_gus_card {
 405         struct snd_card *card;
 406
 407         unsigned int
 408          initialized: 1,                /* resources were initialized */
 409          equal_irq:1,                   /* GF1 and CODEC shares IRQ (GUS MAX only) */
 410          equal_dma:1,                   /* if dma channels are equal (not valid for daughter board) */
 411          ics_flag:1,                    /* have we ICS mixer chip */
 412          ics_flipped:1,                 /* ICS mixer have flipped some channels? */
 413          codec_flag:1,                  /* have we CODEC chip? */
 414          max_flag:1,                    /* have we GUS MAX card? */
 415          max_ctrl_flag:1,               /* have we original GUS MAX card? */
 416          daughter_flag:1,               /* have we daughter board? */
 417          interwave:1,                   /* hey - we have InterWave card */
 418          ess_flag:1,                    /* ESS chip found... GUS Extreme */
 419          ace_flag:1,                    /* GUS ACE detected */
 420          uart_enable:1;                 /* enable MIDI UART */
 421         unsigned short revision;        /* revision of chip */
 422         unsigned short max_cntrl_val;   /* GUS MAX control value */
 423         unsigned short mix_cntrl_reg;   /* mixer control register */
 424         unsigned short joystick_dac;    /* joystick DAC level */
 425         int timer_dev;                  /* timer device */
 426
 427         struct snd_gf1 gf1;     /* gf1 specific variables */
 428         struct snd_pcm *pcm;
 429         struct snd_pcm_substream *pcm_cap_substream;
 430         unsigned int c_dma_size;
 431         unsigned int c_period_size;
 432         unsigned int c_pos;
 433
 434         struct snd_rawmidi *midi_uart;
 435         struct snd_rawmidi_substream *midi_substream_output;
 436         struct snd_rawmidi_substream *midi_substream_input;
 437
 438         spinlock_t reg_lock;
 439         spinlock_t voice_alloc;
 440         spinlock_t active_voice_lock;
 441         spinlock_t event_lock;
 442         spinlock_t dma_lock;
 443         spinlock_t pcm_volume_level_lock;
 444         spinlock_t uart_cmd_lock;
 445         struct mutex dma_mutex;
 446         struct mutex register_mutex;
 447 };
 448
 449 /* I/O functions for GF1/InterWave chip - gus_io.c */
 450
 451 static inline void snd_gf1_select_voice(struct snd_gus_card * gus, int voice)
 452 {
 453         unsigned long flags;
 454
 455         spin_lock_irqsave(&gus->active_voice_lock, flags);
 456         if (voice != gus->gf1.active_voice) {
 457                 gus->gf1.active_voice = voice;
 458                 outb(voice, GUSP(gus, GF1PAGE));
 459         }
 460         spin_unlock_irqrestore(&gus->active_voice_lock, flags);
 461 }
 462
 463 static inline void snd_gf1_uart_cmd(struct snd_gus_card * gus, unsigned char b)
 464 {
 465         outb(gus->gf1.uart_cmd = b, GUSP(gus, MIDICTRL));
 466 }
 467
 468 static inline unsigned char snd_gf1_uart_stat(struct snd_gus_card * gus)
 469 {
 470         return inb(GUSP(gus, MIDISTAT));
 471 }
 472
 473 static inline void snd_gf1_uart_put(struct snd_gus_card * gus, unsigned char b)
 474 {
 475         outb(b, GUSP(gus, MIDIDATA));
 476 }
 477
 478 static inline unsigned char snd_gf1_uart_get(struct snd_gus_card * gus)
 479 {
 480         return inb(GUSP(gus, MIDIDATA));
 481 }
 482
 483 extern void snd_gf1_delay(struct snd_gus_card * gus);
 484
 485 extern void snd_gf1_ctrl_stop(struct snd_gus_card * gus, unsigned char reg);
 486
 487 extern void snd_gf1_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data);
 488 extern unsigned char snd_gf1_look8(struct snd_gus_card * gus, unsigned char reg);
 489 static inline unsigned char snd_gf1_read8(struct snd_gus_card * gus, unsigned char reg)
 490 {
 491         return snd_gf1_look8(gus, reg | 0x80);
 492 }
 493 extern void snd_gf1_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data);
 494 extern unsigned short snd_gf1_look16(struct snd_gus_card * gus, unsigned char reg);
 495 static inline unsigned short snd_gf1_read16(struct snd_gus_card * gus, unsigned char reg)
 496 {
 497         return snd_gf1_look16(gus, reg | 0x80);
 498 }
 499 extern void snd_gf1_adlib_write(struct snd_gus_card * gus, unsigned char reg, unsigned char data);
 500 extern void snd_gf1_dram_addr(struct snd_gus_card * gus, unsigned int addr);
 501 extern void snd_gf1_poke(struct snd_gus_card * gus, unsigned int addr, unsigned char data);
 502 extern unsigned char snd_gf1_peek(struct snd_gus_card * gus, unsigned int addr);
 503 extern void snd_gf1_write_addr(struct snd_gus_card * gus, unsigned char reg, unsigned int addr, short w_16bit);
 504 extern unsigned int snd_gf1_read_addr(struct snd_gus_card * gus, unsigned char reg, short w_16bit);
 505 extern void snd_gf1_i_ctrl_stop(struct snd_gus_card * gus, unsigned char reg);
 506 extern void snd_gf1_i_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data);
 507 extern unsigned char snd_gf1_i_look8(struct snd_gus_card * gus, unsigned char reg);
 508 extern void snd_gf1_i_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data);
 509 static inline unsigned char snd_gf1_i_read8(struct snd_gus_card * gus, unsigned char reg)
 510 {
 511         return snd_gf1_i_look8(gus, reg | 0x80);
 512 }
 513 extern unsigned short snd_gf1_i_look16(struct snd_gus_card * gus, unsigned char reg);
 514 static inline unsigned short snd_gf1_i_read16(struct snd_gus_card * gus, unsigned char reg)
 515 {
 516         return snd_gf1_i_look16(gus, reg | 0x80);
 517 }
 518
 519 extern void snd_gf1_select_active_voices(struct snd_gus_card * gus);
 520
 521 /* gus_lfo.c */
 522
 523 struct _SND_IW_LFO_PROGRAM {
 524         unsigned short freq_and_control;
 525         unsigned char depth_final;
 526         unsigned char depth_inc;
 527         unsigned short twave;
 528         unsigned short depth;
 529 };
 530
 531 #if 0
 532 extern irqreturn_t snd_gf1_lfo_effect_interrupt(struct snd_gus_card * gus, snd_gf1_voice_t * voice);
 533 #endif
 534 extern void snd_gf1_lfo_init(struct snd_gus_card * gus);
 535 extern void snd_gf1_lfo_done(struct snd_gus_card * gus);
 536 extern void snd_gf1_lfo_program(struct snd_gus_card * gus, int voice, int lfo_type, struct _SND_IW_LFO_PROGRAM *program);
 537 extern void snd_gf1_lfo_enable(struct snd_gus_card * gus, int voice, int lfo_type);
 538 extern void snd_gf1_lfo_disable(struct snd_gus_card * gus, int voice, int lfo_type);
 539 extern void snd_gf1_lfo_change_freq(struct snd_gus_card * gus, int voice, int lfo_type, int freq);
 540 extern void snd_gf1_lfo_change_depth(struct snd_gus_card * gus, int voice, int lfo_type, int depth);
 541 extern void snd_gf1_lfo_setup(struct snd_gus_card * gus, int voice, int lfo_type, int freq, int current_depth, int depth, int sweep, int shape);
 542 extern void snd_gf1_lfo_shutdown(struct snd_gus_card * gus, int voice, int lfo_type);
 543 #if 0
 544 extern void snd_gf1_lfo_command(struct snd_gus_card * gus, int voice, unsigned char *command);
 545 #endif
 546
 547 /* gus_mem.c */
 548
 549 void snd_gf1_mem_lock(struct snd_gf1_mem * alloc, int xup);
 550 int snd_gf1_mem_xfree(struct snd_gf1_mem * alloc, struct snd_gf1_mem_block * block);
 551 struct snd_gf1_mem_block *snd_gf1_mem_alloc(struct snd_gf1_mem * alloc, int owner,
 552                                        char *name, int size, int w_16,
 553                                        int align, unsigned int *share_id);
 554 int snd_gf1_mem_free(struct snd_gf1_mem * alloc, unsigned int address);
 555 int snd_gf1_mem_free_owner(struct snd_gf1_mem * alloc, int owner);
 556 int snd_gf1_mem_init(struct snd_gus_card * gus);
 557 int snd_gf1_mem_done(struct snd_gus_card * gus);
 558
 559 /* gus_mem_proc.c */
 560
 561 int snd_gf1_mem_proc_init(struct snd_gus_card * gus);
 562
 563 /* gus_dma.c */
 564
 565 int snd_gf1_dma_init(struct snd_gus_card * gus);
 566 int snd_gf1_dma_done(struct snd_gus_card * gus);
 567 int snd_gf1_dma_transfer_block(struct snd_gus_card * gus,
 568                                struct snd_gf1_dma_block * block,
 569                                int atomic,
 570                                int synth);
 571
 572 /* gus_volume.c */
 573
 574 unsigned short snd_gf1_lvol_to_gvol_raw(unsigned int vol);
 575 unsigned short snd_gf1_translate_freq(struct snd_gus_card * gus, unsigned int freq2);
 576
 577 /* gus_reset.c */
 578
 579 void snd_gf1_set_default_handlers(struct snd_gus_card * gus, unsigned int what);
 580 void snd_gf1_smart_stop_voice(struct snd_gus_card * gus, unsigned short voice);
 581 void snd_gf1_stop_voice(struct snd_gus_card * gus, unsigned short voice);
 582 void snd_gf1_stop_voices(struct snd_gus_card * gus, unsigned short v_min, unsigned short v_max);
 583 struct snd_gus_voice *snd_gf1_alloc_voice(struct snd_gus_card * gus, int type, int client, int port);
 584 void snd_gf1_free_voice(struct snd_gus_card * gus, struct snd_gus_voice *voice);
 585 int snd_gf1_start(struct snd_gus_card * gus);
 586 int snd_gf1_stop(struct snd_gus_card * gus);
 587
 588 /* gus_mixer.c */
 589
 590 int snd_gf1_new_mixer(struct snd_gus_card * gus);
 591
 592 /* gus_pcm.c */
 593
 594 int snd_gf1_pcm_new(struct snd_gus_card *gus, int pcm_dev, int control_index);
 595
 596 #ifdef CONFIG_SND_DEBUG
 597 extern void snd_gf1_print_voice_registers(struct snd_gus_card * gus);
 598 #endif
 599
 600 /* gus.c */
 601
 602 int snd_gus_use_inc(struct snd_gus_card * gus);
 603 void snd_gus_use_dec(struct snd_gus_card * gus);
 604 int snd_gus_create(struct snd_card *card,
 605                    unsigned long port,
 606                    int irq, int dma1, int dma2,
 607                    int timer_dev,
 608                    int voices,
 609                    int pcm_channels,
 610                    int effect,
 611                    struct snd_gus_card ** rgus);
 612 int snd_gus_initialize(struct snd_gus_card * gus);
 613
 614 /* gus_irq.c */
 615
 616 irqreturn_t snd_gus_interrupt(int irq, void *dev_id);
 617 #ifdef CONFIG_SND_DEBUG
 618 void snd_gus_irq_profile_init(struct snd_gus_card *gus);
 619 #endif
 620
 621 /* gus_uart.c */
 622
 623 int snd_gf1_rawmidi_new(struct snd_gus_card *gus, int device);
 624
 625 /* gus_dram.c */
 626 int snd_gus_dram_write(struct snd_gus_card *gus, char __user *ptr,
 627                        unsigned int addr, unsigned int size);
 628 int snd_gus_dram_read(struct snd_gus_card *gus, char __user *ptr,
 629                       unsigned int addr, unsigned int size, int rom);
 630
 631 #endif /* __SOUND_GUS_H */