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@suse.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 "pcm.h"
  26 #include "rawmidi.h"
  27 #include "timer.h"
  28 #include "seq_midi_emul.h"
  29 #include "seq_device.h"
  30 #include "ainstr_iw.h"
  31 #include "ainstr_gf1.h"
  32 #include "ainstr_simple.h"
  33 #include <asm/io.h>
  34
  35 #define SNDRV_SEQ_DEV_ID_GUS                    "gus-synth"
  36
  37 /* IO ports */
  38
  39 #define GUSP(gus, x)                    ((gus)->gf1.port + SNDRV_g_u_s_##x)
  40
  41 #define SNDRV_g_u_s_MIDICTRL            (0x320-0x220)
  42 #define SNDRV_g_u_s_MIDISTAT            (0x320-0x220)
  43 #define SNDRV_g_u_s_MIDIDATA            (0x321-0x220)
  44
  45 #define SNDRV_g_u_s_GF1PAGE             (0x322-0x220)
  46 #define SNDRV_g_u_s_GF1REGSEL           (0x323-0x220)
  47 #define SNDRV_g_u_s_GF1DATALOW          (0x324-0x220)
  48 #define SNDRV_g_u_s_GF1DATAHIGH         (0x325-0x220)
  49 #define SNDRV_g_u_s_IRQSTAT             (0x226-0x220)
  50 #define SNDRV_g_u_s_TIMERCNTRL          (0x228-0x220)
  51 #define SNDRV_g_u_s_TIMERDATA           (0x229-0x220)
  52 #define SNDRV_g_u_s_DRAM                (0x327-0x220)
  53 #define SNDRV_g_u_s_MIXCNTRLREG         (0x220-0x220)
  54 #define SNDRV_g_u_s_IRQDMACNTRLREG      (0x22b-0x220)
  55 #define SNDRV_g_u_s_REGCNTRLS           (0x22f-0x220)
  56 #define SNDRV_g_u_s_BOARDVERSION        (0x726-0x220)
  57 #define SNDRV_g_u_s_MIXCNTRLPORT        (0x726-0x220)
  58 #define SNDRV_g_u_s_IVER                (0x325-0x220)
  59 #define SNDRV_g_u_s_MIXDATAPORT         (0x326-0x220)
  60 #define SNDRV_g_u_s_MAXCNTRLPORT        (0x326-0x220)
  61
  62 /* GF1 registers */
  63
  64 /* global registers */
  65 #define SNDRV_GF1_GB_ACTIVE_VOICES              0x0e
  66 #define SNDRV_GF1_GB_VOICES_IRQ                 0x0f
  67 #define SNDRV_GF1_GB_GLOBAL_MODE                0x19
  68 #define SNDRV_GF1_GW_LFO_BASE                   0x1a
  69 #define SNDRV_GF1_GB_VOICES_IRQ_READ            0x1f
  70 #define SNDRV_GF1_GB_DRAM_DMA_CONTROL           0x41
  71 #define SNDRV_GF1_GW_DRAM_DMA_LOW               0x42
  72 #define SNDRV_GF1_GW_DRAM_IO_LOW                0x43
  73 #define SNDRV_GF1_GB_DRAM_IO_HIGH               0x44
  74 #define SNDRV_GF1_GB_SOUND_BLASTER_CONTROL      0x45
  75 #define SNDRV_GF1_GB_ADLIB_TIMER_1              0x46
  76 #define SNDRV_GF1_GB_ADLIB_TIMER_2              0x47
  77 #define SNDRV_GF1_GB_RECORD_RATE                0x48
  78 #define SNDRV_GF1_GB_REC_DMA_CONTROL            0x49
  79 #define SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL         0x4b
  80 #define SNDRV_GF1_GB_RESET                      0x4c
  81 #define SNDRV_GF1_GB_DRAM_DMA_HIGH              0x50
  82 #define SNDRV_GF1_GW_DRAM_IO16                  0x51
  83 #define SNDRV_GF1_GW_MEMORY_CONFIG              0x52
  84 #define SNDRV_GF1_GB_MEMORY_CONTROL             0x53
  85 #define SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR      0x54
  86 #define SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR        0x55
  87 #define SNDRV_GF1_GW_FIFO_SIZE                  0x56
  88 #define SNDRV_GF1_GW_INTERLEAVE                 0x57
  89 #define SNDRV_GF1_GB_COMPATIBILITY              0x59
  90 #define SNDRV_GF1_GB_DECODE_CONTROL             0x5a
  91 #define SNDRV_GF1_GB_VERSION_NUMBER             0x5b
  92 #define SNDRV_GF1_GB_MPU401_CONTROL_A           0x5c
  93 #define SNDRV_GF1_GB_MPU401_CONTROL_B           0x5d
  94 #define SNDRV_GF1_GB_EMULATION_IRQ              0x60
  95 /* voice specific registers */
  96 #define SNDRV_GF1_VB_ADDRESS_CONTROL            0x00
  97 #define SNDRV_GF1_VW_FREQUENCY                  0x01
  98 #define SNDRV_GF1_VW_START_HIGH                 0x02
  99 #define SNDRV_GF1_VW_START_LOW                  0x03
 100 #define SNDRV_GF1_VA_START                      SNDRV_GF1_VW_START_HIGH
 101 #define SNDRV_GF1_VW_END_HIGH                   0x04
 102 #define SNDRV_GF1_VW_END_LOW                    0x05
 103 #define SNDRV_GF1_VA_END                        SNDRV_GF1_VW_END_HIGH
 104 #define SNDRV_GF1_VB_VOLUME_RATE                0x06
 105 #define SNDRV_GF1_VB_VOLUME_START               0x07
 106 #define SNDRV_GF1_VB_VOLUME_END                 0x08
 107 #define SNDRV_GF1_VW_VOLUME                     0x09
 108 #define SNDRV_GF1_VW_CURRENT_HIGH               0x0a
 109 #define SNDRV_GF1_VW_CURRENT_LOW                0x0b
 110 #define SNDRV_GF1_VA_CURRENT                    SNDRV_GF1_VW_CURRENT_HIGH
 111 #define SNDRV_GF1_VB_PAN                        0x0c
 112 #define SNDRV_GF1_VW_OFFSET_RIGHT               0x0c
 113 #define SNDRV_GF1_VB_VOLUME_CONTROL             0x0d
 114 #define SNDRV_GF1_VB_UPPER_ADDRESS              0x10
 115 #define SNDRV_GF1_VW_EFFECT_HIGH                0x11
 116 #define SNDRV_GF1_VW_EFFECT_LOW                 0x12
 117 #define SNDRV_GF1_VA_EFFECT                     SNDRV_GF1_VW_EFFECT_HIGH
 118 #define SNDRV_GF1_VW_OFFSET_LEFT                0x13
 119 #define SNDRV_GF1_VB_ACCUMULATOR                0x14
 120 #define SNDRV_GF1_VB_MODE                       0x15
 121 #define SNDRV_GF1_VW_EFFECT_VOLUME              0x16
 122 #define SNDRV_GF1_VB_FREQUENCY_LFO              0x17
 123 #define SNDRV_GF1_VB_VOLUME_LFO                 0x18
 124 #define SNDRV_GF1_VW_OFFSET_RIGHT_FINAL         0x1b
 125 #define SNDRV_GF1_VW_OFFSET_LEFT_FINAL          0x1c
 126 #define SNDRV_GF1_VW_EFFECT_VOLUME_FINAL        0x1d
 127
 128 /* ICS registers */
 129
 130 #define SNDRV_ICS_MIC_DEV               0
 131 #define SNDRV_ICS_LINE_DEV              1
 132 #define SNDRV_ICS_CD_DEV                2
 133 #define SNDRV_ICS_GF1_DEV               3
 134 #define SNDRV_ICS_NONE_DEV              4
 135 #define SNDRV_ICS_MASTER_DEV            5
 136
 137 /* LFO */
 138
 139 #define SNDRV_LFO_TREMOLO               0
 140 #define SNDRV_LFO_VIBRATO               1
 141
 142 /* misc */
 143
 144 #define SNDRV_GF1_DMA_UNSIGNED  0x80
 145 #define SNDRV_GF1_DMA_16BIT     0x40
 146 #define SNDRV_GF1_DMA_IRQ       0x20
 147 #define SNDRV_GF1_DMA_WIDTH16   0x04
 148 #define SNDRV_GF1_DMA_READ      0x02    /* read from GUS's DRAM */
 149 #define SNDRV_GF1_DMA_ENABLE    0x01
 150
 151 /* ramp ranges */
 152
 153 #define SNDRV_GF1_ATTEN(x)      (snd_gf1_atten_table[x])
 154 #define SNDRV_GF1_MIN_VOLUME    1800
 155 #define SNDRV_GF1_MAX_VOLUME    4095
 156 #define SNDRV_GF1_MIN_OFFSET    (SNDRV_GF1_MIN_VOLUME>>4)
 157 #define SNDRV_GF1_MAX_OFFSET    255
 158 #define SNDRV_GF1_MAX_TDEPTH    90
 159
 160 /* defines for memory manager */
 161
 162 #define SNDRV_GF1_MEM_BLOCK_16BIT       0x0001
 163
 164 #define SNDRV_GF1_MEM_OWNER_DRIVER      0x0001
 165 #define SNDRV_GF1_MEM_OWNER_WAVE_SIMPLE 0x0002
 166 #define SNDRV_GF1_MEM_OWNER_WAVE_GF1    0x0003
 167 #define SNDRV_GF1_MEM_OWNER_WAVE_IWFFFF 0x0004
 168
 169 /* constants for interrupt handlers */
 170
 171 #define SNDRV_GF1_HANDLER_MIDI_OUT      0x00010000
 172 #define SNDRV_GF1_HANDLER_MIDI_IN       0x00020000
 173 #define SNDRV_GF1_HANDLER_TIMER1        0x00040000
 174 #define SNDRV_GF1_HANDLER_TIMER2        0x00080000
 175 #define SNDRV_GF1_HANDLER_VOICE         0x00100000
 176 #define SNDRV_GF1_HANDLER_DMA_WRITE     0x00200000
 177 #define SNDRV_GF1_HANDLER_DMA_READ      0x00400000
 178 #define SNDRV_GF1_HANDLER_ALL           (0xffff0000&~SNDRV_GF1_HANDLER_VOICE)
 179
 180 /* constants for DMA flags */
 181
 182 #define SNDRV_GF1_DMA_TRIGGER           1
 183
 184 /* --- */
 185
 186 struct snd_gus_card;
 187
 188 /* GF1 specific structure */
 189
 190 struct snd_gf1_bank_info {
 191         unsigned int address;
 192         unsigned int size;
 193 };
 194
 195 struct snd_gf1_mem_block {
 196         unsigned short flags;   /* flags - SNDRV_GF1_MEM_BLOCK_XXXX */
 197         unsigned short owner;   /* owner - SNDRV_GF1_MEM_OWNER_XXXX */
 198         unsigned int share;     /* share count */
 199         unsigned int share_id[4]; /* share ID */
 200         unsigned int ptr;
 201         unsigned int size;
 202         char *name;
 203         struct snd_gf1_mem_block *next;
 204         struct snd_gf1_mem_block *prev;
 205 };
 206
 207 struct snd_gf1_mem {
 208         struct snd_gf1_bank_info banks_8[4];
 209         struct snd_gf1_bank_info banks_16[4];
 210         struct snd_gf1_mem_block *first;
 211         struct snd_gf1_mem_block *last;
 212         struct mutex memory_mutex;
 213 };
 214
 215 struct snd_gf1_dma_block {
 216         void *buffer;           /* buffer in computer's RAM */
 217         unsigned long buf_addr; /* buffer address */
 218         unsigned int addr;      /* address in onboard memory */
 219         unsigned int count;     /* count in bytes */
 220         unsigned int cmd;       /* DMA command (format) */
 221         void (*ack)(struct snd_gus_card * gus, void *private_data);
 222         void *private_data;
 223         struct snd_gf1_dma_block *next;
 224 };
 225
 226 struct snd_gus_port {
 227         struct snd_midi_channel_set * chset;
 228         struct snd_gus_card * gus;
 229         int mode;               /* operation mode */
 230         int client;             /* sequencer client number */
 231         int port;               /* sequencer port number */
 232         unsigned int midi_has_voices: 1;
 233 };
 234
 235 struct snd_gus_voice;
 236
 237 struct snd_gus_sample_ops {
 238         void (*sample_start)(struct snd_gus_card *gus, struct snd_gus_voice *voice, snd_seq_position_t position);
 239         void (*sample_stop)(struct snd_gus_card *gus, struct snd_gus_voice *voice, int mode);
 240         void (*sample_freq)(struct snd_gus_card *gus, struct snd_gus_voice *voice, snd_seq_frequency_t freq);
 241         void (*sample_volume)(struct snd_gus_card *gus, struct snd_gus_voice *voice, struct snd_seq_ev_volume *volume);
 242         void (*sample_loop)(struct snd_gus_card *card, struct snd_gus_voice *voice, struct snd_seq_ev_loop *loop);
 243         void (*sample_pos)(struct snd_gus_card *card, struct snd_gus_voice *voice, snd_seq_position_t position);
 244         void (*sample_private1)(struct snd_gus_card *card, struct snd_gus_voice *voice, unsigned char *data);
 245 };
 246
 247 #define SNDRV_GF1_VOICE_TYPE_PCM        0
 248 #define SNDRV_GF1_VOICE_TYPE_SYNTH      1
 249 #define SNDRV_GF1_VOICE_TYPE_MIDI       2
 250
 251 #define SNDRV_GF1_VFLG_RUNNING          (1<<0)
 252 #define SNDRV_GF1_VFLG_EFFECT_TIMER1    (1<<1)
 253 #define SNDRV_GF1_VFLG_PAN              (1<<2)
 254
 255 enum snd_gus_volume_state {
 256         VENV_BEFORE,
 257         VENV_ATTACK,
 258         VENV_SUSTAIN,
 259         VENV_RELEASE,
 260         VENV_DONE,
 261         VENV_VOLUME
 262 };
 263
 264 struct snd_gus_voice {
 265         int number;
 266         unsigned int use: 1,
 267             pcm: 1,
 268             synth:1,
 269             midi: 1;
 270         unsigned int flags;
 271         unsigned char client;
 272         unsigned char port;
 273         unsigned char index;
 274         unsigned char pad;
 275
 276 #ifdef CONFIG_SND_DEBUG
 277         unsigned int interrupt_stat_wave;
 278         unsigned int interrupt_stat_volume;
 279 #endif
 280         void (*handler_wave) (struct snd_gus_card * gus, struct snd_gus_voice * voice);
 281         void (*handler_volume) (struct snd_gus_card * gus, struct snd_gus_voice * voice);
 282         void (*handler_effect) (struct snd_gus_card * gus, struct snd_gus_voice * voice);
 283         void (*volume_change) (struct snd_gus_card * gus);
 284
 285         struct snd_gus_sample_ops *sample_ops;
 286
 287         struct snd_seq_instr instr;
 288
 289         /* running status / registers */
 290
 291         struct snd_seq_ev_volume sample_volume;
 292
 293         unsigned short fc_register;
 294         unsigned short fc_lfo;
 295         unsigned short gf1_volume;
 296         unsigned char control;
 297         unsigned char mode;
 298         unsigned char gf1_pan;
 299         unsigned char effect_accumulator;
 300         unsigned char volume_control;
 301         unsigned char venv_value_next;
 302         enum snd_gus_volume_state venv_state;
 303         enum snd_gus_volume_state venv_state_prev;
 304         unsigned short vlo;
 305         unsigned short vro;
 306         unsigned short gf1_effect_volume;
 307
 308         /* --- */
 309
 310         void *private_data;
 311         void (*private_free)(struct snd_gus_voice *voice);
 312 };
 313
 314 struct snd_gf1 {
 315
 316         unsigned int enh_mode:1,        /* enhanced mode (GFA1) */
 317                      hw_lfo:1,          /* use hardware LFO */
 318                      sw_lfo:1,          /* use software LFO */
 319                      effect:1;          /* use effect voices */
 320
 321         unsigned long port;             /* port of GF1 chip */
 322         struct resource *res_port1;
 323         struct resource *res_port2;
 324         int irq;                        /* IRQ number */
 325         int dma1;                       /* DMA1 number */
 326         int dma2;                       /* DMA2 number */
 327         unsigned int memory;            /* GUS's DRAM size in bytes */
 328         unsigned int rom_memory;        /* GUS's ROM size in bytes */
 329         unsigned int rom_present;       /* bitmask */
 330         unsigned int rom_banks;         /* GUS's ROM banks */
 331
 332         struct snd_gf1_mem mem_alloc;
 333
 334         /* registers */
 335         unsigned short reg_page;
 336         unsigned short reg_regsel;
 337         unsigned short reg_data8;
 338         unsigned short reg_data16;
 339         unsigned short reg_irqstat;
 340         unsigned short reg_dram;
 341         unsigned short reg_timerctrl;
 342         unsigned short reg_timerdata;
 343         unsigned char ics_regs[6][2];
 344         /* --------- */
 345
 346         unsigned char active_voices;    /* active voices */
 347         unsigned char active_voice;     /* selected voice (GF1PAGE register) */
 348
 349         struct snd_gus_voice voices[32];        /* GF1 voices */
 350
 351         unsigned int default_voice_address;
 352
 353         unsigned short playback_freq;   /* GF1 playback (mixing) frequency */
 354         unsigned short mode;            /* see to SNDRV_GF1_MODE_XXXX */
 355         unsigned char volume_ramp;
 356         unsigned char smooth_pan;
 357         unsigned char full_range_pan;
 358         unsigned char pad0;
 359
 360         unsigned char *lfos;
 361
 362         /* interrupt handlers */
 363
 364         void (*interrupt_handler_midi_out) (struct snd_gus_card * gus);
 365         void (*interrupt_handler_midi_in) (struct snd_gus_card * gus);
 366         void (*interrupt_handler_timer1) (struct snd_gus_card * gus);
 367         void (*interrupt_handler_timer2) (struct snd_gus_card * gus);
 368         void (*interrupt_handler_dma_write) (struct snd_gus_card * gus);
 369         void (*interrupt_handler_dma_read) (struct snd_gus_card * gus);
 370
 371 #ifdef CONFIG_SND_DEBUG
 372         unsigned int interrupt_stat_midi_out;
 373         unsigned int interrupt_stat_midi_in;
 374         unsigned int interrupt_stat_timer1;
 375         unsigned int interrupt_stat_timer2;
 376         unsigned int interrupt_stat_dma_write;
 377         unsigned int interrupt_stat_dma_read;
 378         unsigned int interrupt_stat_voice_lost;
 379 #endif
 380
 381         /* synthesizer */
 382
 383         int seq_client;
 384         struct snd_gus_port seq_ports[4];
 385         struct snd_seq_kinstr_list *ilist;
 386         struct snd_iwffff_ops iwffff_ops;
 387         struct snd_gf1_ops gf1_ops;
 388         struct snd_simple_ops simple_ops;
 389
 390         /* timer */
 391
 392         unsigned short timer_enabled;
 393         struct snd_timer *timer1;
 394         struct snd_timer *timer2;
 395
 396         /* midi */
 397
 398         unsigned short uart_cmd;
 399         unsigned int uart_framing;
 400         unsigned int uart_overrun;
 401
 402         /* dma operations */
 403
 404         unsigned int dma_flags;
 405         unsigned int dma_shared;
 406         struct snd_gf1_dma_block *dma_data_pcm;
 407         struct snd_gf1_dma_block *dma_data_pcm_last;
 408         struct snd_gf1_dma_block *dma_data_synth;
 409         struct snd_gf1_dma_block *dma_data_synth_last;
 410         void (*dma_ack)(struct snd_gus_card * gus, void *private_data);
 411         void *dma_private_data;
 412
 413         /* pcm */
 414         int pcm_channels;
 415         int pcm_alloc_voices;
 416         unsigned short pcm_volume_level_left;
 417         unsigned short pcm_volume_level_right;
 418         unsigned short pcm_volume_level_left1;
 419         unsigned short pcm_volume_level_right1;
 420
 421         unsigned char pcm_rcntrl_reg;
 422         unsigned char pad_end;
 423 };
 424
 425 /* main structure for GUS card */
 426
 427 struct snd_gus_card {
 428         struct snd_card *card;
 429
 430         unsigned int
 431          initialized: 1,                /* resources were initialized */
 432          equal_irq:1,                   /* GF1 and CODEC shares IRQ (GUS MAX only) */
 433          equal_dma:1,                   /* if dma channels are equal (not valid for daughter board) */
 434          ics_flag:1,                    /* have we ICS mixer chip */
 435          ics_flipped:1,                 /* ICS mixer have flipped some channels? */
 436          codec_flag:1,                  /* have we CODEC chip? */
 437          max_flag:1,                    /* have we GUS MAX card? */
 438          max_ctrl_flag:1,               /* have we original GUS MAX card? */
 439          daughter_flag:1,               /* have we daughter board? */
 440          interwave:1,                   /* hey - we have InterWave card */
 441          ess_flag:1,                    /* ESS chip found... GUS Extreme */
 442          ace_flag:1,                    /* GUS ACE detected */
 443          uart_enable:1;                 /* enable MIDI UART */
 444         unsigned short revision;        /* revision of chip */
 445         unsigned short max_cntrl_val;   /* GUS MAX control value */
 446         unsigned short mix_cntrl_reg;   /* mixer control register */
 447         unsigned short joystick_dac;    /* joystick DAC level */
 448         int timer_dev;                  /* timer device */
 449
 450         struct snd_gf1 gf1;     /* gf1 specific variables */
 451         struct snd_pcm *pcm;
 452         struct snd_pcm_substream *pcm_cap_substream;
 453         unsigned int c_dma_size;
 454         unsigned int c_period_size;
 455         unsigned int c_pos;
 456
 457         struct snd_rawmidi *midi_uart;
 458         struct snd_rawmidi_substream *midi_substream_output;
 459         struct snd_rawmidi_substream *midi_substream_input;
 460
 461         struct snd_seq_device *seq_dev;
 462
 463         spinlock_t reg_lock;
 464         spinlock_t voice_alloc;
 465         spinlock_t active_voice_lock;
 466         spinlock_t event_lock;
 467         spinlock_t dma_lock;
 468         spinlock_t pcm_volume_level_lock;
 469         spinlock_t uart_cmd_lock;
 470         struct mutex dma_mutex;
 471         struct mutex register_mutex;
 472 };
 473
 474 /* I/O functions for GF1/InterWave chip - gus_io.c */
 475
 476 static inline void snd_gf1_select_voice(struct snd_gus_card * gus, int voice)
 477 {
 478         unsigned long flags;
 479
 480         spin_lock_irqsave(&gus->active_voice_lock, flags);
 481         if (voice != gus->gf1.active_voice) {
 482                 gus->gf1.active_voice = voice;
 483                 outb(voice, GUSP(gus, GF1PAGE));
 484         }
 485         spin_unlock_irqrestore(&gus->active_voice_lock, flags);
 486 }
 487
 488 static inline void snd_gf1_uart_cmd(struct snd_gus_card * gus, unsigned char b)
 489 {
 490         outb(gus->gf1.uart_cmd = b, GUSP(gus, MIDICTRL));
 491 }
 492
 493 static inline unsigned char snd_gf1_uart_stat(struct snd_gus_card * gus)
 494 {
 495         return inb(GUSP(gus, MIDISTAT));
 496 }
 497
 498 static inline void snd_gf1_uart_put(struct snd_gus_card * gus, unsigned char b)
 499 {
 500         outb(b, GUSP(gus, MIDIDATA));
 501 }
 502
 503 static inline unsigned char snd_gf1_uart_get(struct snd_gus_card * gus)
 504 {
 505         return inb(GUSP(gus, MIDIDATA));
 506 }
 507
 508 extern void snd_gf1_delay(struct snd_gus_card * gus);
 509
 510 extern void snd_gf1_ctrl_stop(struct snd_gus_card * gus, unsigned char reg);
 511
 512 extern void snd_gf1_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data);
 513 extern unsigned char snd_gf1_look8(struct snd_gus_card * gus, unsigned char reg);
 514 static inline unsigned char snd_gf1_read8(struct snd_gus_card * gus, unsigned char reg)
 515 {
 516         return snd_gf1_look8(gus, reg | 0x80);
 517 }
 518 extern void snd_gf1_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data);
 519 extern unsigned short snd_gf1_look16(struct snd_gus_card * gus, unsigned char reg);
 520 static inline unsigned short snd_gf1_read16(struct snd_gus_card * gus, unsigned char reg)
 521 {
 522         return snd_gf1_look16(gus, reg | 0x80);
 523 }
 524 extern void snd_gf1_adlib_write(struct snd_gus_card * gus, unsigned char reg, unsigned char data);
 525 extern void snd_gf1_dram_addr(struct snd_gus_card * gus, unsigned int addr);
 526 extern void snd_gf1_poke(struct snd_gus_card * gus, unsigned int addr, unsigned char data);
 527 extern unsigned char snd_gf1_peek(struct snd_gus_card * gus, unsigned int addr);
 528 extern void snd_gf1_write_addr(struct snd_gus_card * gus, unsigned char reg, unsigned int addr, short w_16bit);
 529 extern unsigned int snd_gf1_read_addr(struct snd_gus_card * gus, unsigned char reg, short w_16bit);
 530 extern void snd_gf1_i_ctrl_stop(struct snd_gus_card * gus, unsigned char reg);
 531 extern void snd_gf1_i_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data);
 532 extern unsigned char snd_gf1_i_look8(struct snd_gus_card * gus, unsigned char reg);
 533 extern void snd_gf1_i_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data);
 534 static inline unsigned char snd_gf1_i_read8(struct snd_gus_card * gus, unsigned char reg)
 535 {
 536         return snd_gf1_i_look8(gus, reg | 0x80);
 537 }
 538 extern unsigned short snd_gf1_i_look16(struct snd_gus_card * gus, unsigned char reg);
 539 static inline unsigned short snd_gf1_i_read16(struct snd_gus_card * gus, unsigned char reg)
 540 {
 541         return snd_gf1_i_look16(gus, reg | 0x80);
 542 }
 543
 544 extern void snd_gf1_select_active_voices(struct snd_gus_card * gus);
 545
 546 /* gus_lfo.c */
 547
 548 struct _SND_IW_LFO_PROGRAM {
 549         unsigned short freq_and_control;
 550         unsigned char depth_final;
 551         unsigned char depth_inc;
 552         unsigned short twave;
 553         unsigned short depth;
 554 };
 555
 556 #if 0
 557 extern irqreturn_t snd_gf1_lfo_effect_interrupt(struct snd_gus_card * gus, snd_gf1_voice_t * voice);
 558 #endif
 559 extern void snd_gf1_lfo_init(struct snd_gus_card * gus);
 560 extern void snd_gf1_lfo_done(struct snd_gus_card * gus);
 561 extern void snd_gf1_lfo_program(struct snd_gus_card * gus, int voice, int lfo_type, struct _SND_IW_LFO_PROGRAM *program);
 562 extern void snd_gf1_lfo_enable(struct snd_gus_card * gus, int voice, int lfo_type);
 563 extern void snd_gf1_lfo_disable(struct snd_gus_card * gus, int voice, int lfo_type);
 564 extern void snd_gf1_lfo_change_freq(struct snd_gus_card * gus, int voice, int lfo_type, int freq);
 565 extern void snd_gf1_lfo_change_depth(struct snd_gus_card * gus, int voice, int lfo_type, int depth);
 566 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);
 567 extern void snd_gf1_lfo_shutdown(struct snd_gus_card * gus, int voice, int lfo_type);
 568 #if 0
 569 extern void snd_gf1_lfo_command(struct snd_gus_card * gus, int voice, unsigned char *command);
 570 #endif
 571
 572 /* gus_mem.c */
 573
 574 void snd_gf1_mem_lock(struct snd_gf1_mem * alloc, int xup);
 575 int snd_gf1_mem_xfree(struct snd_gf1_mem * alloc, struct snd_gf1_mem_block * block);
 576 struct snd_gf1_mem_block *snd_gf1_mem_alloc(struct snd_gf1_mem * alloc, int owner,
 577                                        char *name, int size, int w_16,
 578                                        int align, unsigned int *share_id);
 579 int snd_gf1_mem_free(struct snd_gf1_mem * alloc, unsigned int address);
 580 int snd_gf1_mem_free_owner(struct snd_gf1_mem * alloc, int owner);
 581 int snd_gf1_mem_init(struct snd_gus_card * gus);
 582 int snd_gf1_mem_done(struct snd_gus_card * gus);
 583
 584 /* gus_mem_proc.c */
 585
 586 int snd_gf1_mem_proc_init(struct snd_gus_card * gus);
 587
 588 /* gus_dma.c */
 589
 590 int snd_gf1_dma_init(struct snd_gus_card * gus);
 591 int snd_gf1_dma_done(struct snd_gus_card * gus);
 592 int snd_gf1_dma_transfer_block(struct snd_gus_card * gus,
 593                                struct snd_gf1_dma_block * block,
 594                                int atomic,
 595                                int synth);
 596
 597 /* gus_volume.c */
 598
 599 unsigned short snd_gf1_lvol_to_gvol_raw(unsigned int vol);
 600 unsigned short snd_gf1_translate_freq(struct snd_gus_card * gus, unsigned int freq2);
 601
 602 /* gus_reset.c */
 603
 604 void snd_gf1_set_default_handlers(struct snd_gus_card * gus, unsigned int what);
 605 void snd_gf1_smart_stop_voice(struct snd_gus_card * gus, unsigned short voice);
 606 void snd_gf1_stop_voice(struct snd_gus_card * gus, unsigned short voice);
 607 void snd_gf1_stop_voices(struct snd_gus_card * gus, unsigned short v_min, unsigned short v_max);
 608 struct snd_gus_voice *snd_gf1_alloc_voice(struct snd_gus_card * gus, int type, int client, int port);
 609 void snd_gf1_free_voice(struct snd_gus_card * gus, struct snd_gus_voice *voice);
 610 int snd_gf1_start(struct snd_gus_card * gus);
 611 int snd_gf1_stop(struct snd_gus_card * gus);
 612
 613 /* gus_mixer.c */
 614
 615 int snd_gf1_new_mixer(struct snd_gus_card * gus);
 616
 617 /* gus_pcm.c */
 618
 619 int snd_gf1_pcm_new(struct snd_gus_card * gus, int pcm_dev, int control_index, struct snd_pcm ** rpcm);
 620
 621 #ifdef CONFIG_SND_DEBUG
 622 extern void snd_gf1_print_voice_registers(struct snd_gus_card * gus);
 623 #endif
 624
 625 /* gus.c */
 626
 627 int snd_gus_use_inc(struct snd_gus_card * gus);
 628 void snd_gus_use_dec(struct snd_gus_card * gus);
 629 int snd_gus_create(struct snd_card *card,
 630                    unsigned long port,
 631                    int irq, int dma1, int dma2,
 632                    int timer_dev,
 633                    int voices,
 634                    int pcm_channels,
 635                    int effect,
 636                    struct snd_gus_card ** rgus);
 637 int snd_gus_initialize(struct snd_gus_card * gus);
 638
 639 /* gus_irq.c */
 640
 641 irqreturn_t snd_gus_interrupt(int irq, void *dev_id, struct pt_regs *regs);
 642 #ifdef CONFIG_SND_DEBUG
 643 void snd_gus_irq_profile_init(struct snd_gus_card *gus);
 644 #endif
 645
 646 /* gus_uart.c */
 647
 648 int snd_gf1_rawmidi_new(struct snd_gus_card * gus, int device, struct snd_rawmidi **rrawmidi);
 649
 650 #if 0
 651 extern void snd_engine_instrument_register(unsigned short mode,
 652                 struct _SND_INSTRUMENT_VOICE_COMMANDS *voice_cmds,
 653                 struct _SND_INSTRUMENT_NOTE_COMMANDS *note_cmds,
 654                 struct _SND_INSTRUMENT_CHANNEL_COMMANDS *channel_cmds);
 655 extern int snd_engine_instrument_register_ask(unsigned short mode);
 656 #endif
 657
 658 /* gus_dram.c */
 659 int snd_gus_dram_write(struct snd_gus_card *gus, char __user *ptr,
 660                        unsigned int addr, unsigned int size);
 661 int snd_gus_dram_read(struct snd_gus_card *gus, char __user *ptr,
 662                       unsigned int addr, unsigned int size, int rom);
 663
 664 #if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE)
 665
 666 /* gus_sample.c */
 667 void snd_gus_sample_event(struct snd_seq_event *ev, struct snd_gus_port *p);
 668
 669 /* gus_simple.c */
 670 void snd_gf1_simple_init(struct snd_gus_voice *voice);
 671
 672 /* gus_instr.c */
 673 int snd_gus_iwffff_put_sample(void *private_data, struct iwffff_wave *wave,
 674                               char __user *data, long len, int atomic);
 675 int snd_gus_iwffff_get_sample(void *private_data, struct iwffff_wave *wave,
 676                               char __user *data, long len, int atomic);
 677 int snd_gus_iwffff_remove_sample(void *private_data, struct iwffff_wave *wave,
 678                                  int atomic);
 679 int snd_gus_gf1_put_sample(void *private_data, struct gf1_wave *wave,
 680                            char __user *data, long len, int atomic);
 681 int snd_gus_gf1_get_sample(void *private_data, struct gf1_wave *wave,
 682                            char __user *data, long len, int atomic);
 683 int snd_gus_gf1_remove_sample(void *private_data, struct gf1_wave *wave,
 684                               int atomic);
 685 int snd_gus_simple_put_sample(void *private_data, struct simple_instrument *instr,
 686                               char __user *data, long len, int atomic);
 687 int snd_gus_simple_get_sample(void *private_data, struct simple_instrument *instr,
 688                               char __user *data, long len, int atomic);
 689 int snd_gus_simple_remove_sample(void *private_data, struct simple_instrument *instr,
 690                                  int atomic);
 691
 692 #endif /* CONFIG_SND_SEQUENCER */
 693
 694 #endif /* __SOUND_GUS_H */