git.oblomov.eu Git - linux-2.6/blob - 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 typedef struct _snd_gus_card snd_gus_card_t;
 188
 189 /* GF1 specific structure */
 190
 191 typedef struct _snd_gf1_bank_info {
 192         unsigned int address;
 193         unsigned int size;
 194 } snd_gf1_bank_info_t;
 195
 196 typedef struct _snd_gf1_mem_block {
 197         unsigned short flags;   /* flags - SNDRV_GF1_MEM_BLOCK_XXXX */
 198         unsigned short owner;   /* owner - SNDRV_GF1_MEM_OWNER_XXXX */
 199         unsigned int share;     /* share count */
 200         unsigned int share_id[4]; /* share ID */
 201         unsigned int ptr;
 202         unsigned int size;
 203         char *name;
 204         struct _snd_gf1_mem_block *next;
 205         struct _snd_gf1_mem_block *prev;
 206 } snd_gf1_mem_block_t;
 207
 208 typedef struct _snd_gf1_mem {
 209         snd_gf1_bank_info_t banks_8[4];
 210         snd_gf1_bank_info_t banks_16[4];
 211         snd_gf1_mem_block_t *first;
 212         snd_gf1_mem_block_t *last;
 213         struct semaphore memory_mutex;
 214 } snd_gf1_mem_t;
 215
 216 typedef struct snd_gf1_dma_block {
 217         void *buffer;           /* buffer in computer's RAM */
 218         unsigned long buf_addr; /* buffer address */
 219         unsigned int addr;      /* address in onboard memory */
 220         unsigned int count;     /* count in bytes */
 221         unsigned int cmd;       /* DMA command (format) */
 222         void (*ack)(snd_gus_card_t * gus, void *private_data);
 223         void *private_data;
 224         struct snd_gf1_dma_block *next;
 225 } snd_gf1_dma_block_t;
 226
 227 typedef struct {
 228         snd_midi_channel_set_t * chset;
 229         snd_gus_card_t * gus;
 230         int mode;               /* operation mode */
 231         int client;             /* sequencer client number */
 232         int port;               /* sequencer port number */
 233         unsigned int midi_has_voices: 1;
 234 } snd_gus_port_t;
 235
 236 typedef struct _snd_gus_voice snd_gus_voice_t;
 237
 238 typedef struct {
 239         void (*sample_start)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_position_t position);
 240         void (*sample_stop)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_stop_mode_t mode);
 241         void (*sample_freq)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_frequency_t freq);
 242         void (*sample_volume)(snd_gus_card_t *gus, snd_gus_voice_t *voice, snd_seq_ev_volume_t *volume);
 243         void (*sample_loop)(snd_gus_card_t *card, snd_gus_voice_t *voice, snd_seq_ev_loop_t *loop);
 244         void (*sample_pos)(snd_gus_card_t *card, snd_gus_voice_t *voice, snd_seq_position_t position);
 245         void (*sample_private1)(snd_gus_card_t *card, snd_gus_voice_t *voice, unsigned char *data);
 246 } snd_gus_sample_ops_t;
 247
 248 #define SNDRV_GF1_VOICE_TYPE_PCM                0
 249 #define SNDRV_GF1_VOICE_TYPE_SYNTH      1
 250 #define SNDRV_GF1_VOICE_TYPE_MIDI               2
 251
 252 #define SNDRV_GF1_VFLG_RUNNING          (1<<0)
 253 #define SNDRV_GF1_VFLG_EFFECT_TIMER1    (1<<1)
 254 #define SNDRV_GF1_VFLG_PAN              (1<<2)
 255
 256 typedef enum {
 257         VENV_BEFORE,
 258         VENV_ATTACK,
 259         VENV_SUSTAIN,
 260         VENV_RELEASE,
 261         VENV_DONE,
 262         VENV_VOLUME
 263 } snd_gus_volume_state_t;
 264
 265 struct _snd_gus_voice {
 266         int number;
 267         unsigned int use: 1,
 268             pcm: 1,
 269             synth:1,
 270             midi: 1;
 271         unsigned int flags;
 272         unsigned char client;
 273         unsigned char port;
 274         unsigned char index;
 275         unsigned char pad;
 276
 277 #ifdef CONFIG_SND_DEBUG
 278         unsigned int interrupt_stat_wave;
 279         unsigned int interrupt_stat_volume;
 280 #endif
 281         void (*handler_wave) (snd_gus_card_t * gus, snd_gus_voice_t * voice);
 282         void (*handler_volume) (snd_gus_card_t * gus, snd_gus_voice_t * voice);
 283         void (*handler_effect) (snd_gus_card_t * gus, snd_gus_voice_t * voice);
 284         void (*volume_change) (snd_gus_card_t * gus);
 285
 286         snd_gus_sample_ops_t *sample_ops;
 287
 288         snd_seq_instr_t instr;
 289
 290         /* running status / registers */
 291
 292         snd_seq_ev_volume_t sample_volume;
 293
 294         unsigned short fc_register;
 295         unsigned short fc_lfo;
 296         unsigned short gf1_volume;
 297         unsigned char control;
 298         unsigned char mode;
 299         unsigned char gf1_pan;
 300         unsigned char effect_accumulator;
 301         unsigned char volume_control;
 302         unsigned char venv_value_next;
 303         snd_gus_volume_state_t venv_state;
 304         snd_gus_volume_state_t venv_state_prev;
 305         unsigned short vlo;
 306         unsigned short vro;
 307         unsigned short gf1_effect_volume;
 308
 309         /* --- */
 310
 311         void *private_data;
 312         void (*private_free)(snd_gus_voice_t *voice);
 313 };
 314
 315 struct _snd_gf1 {
 316
 317         unsigned int enh_mode:1,        /* enhanced mode (GFA1) */
 318                      hw_lfo:1,          /* use hardware LFO */
 319                      sw_lfo:1,          /* use software LFO */
 320                      effect:1;          /* use effect voices */
 321
 322         unsigned long port;             /* port of GF1 chip */
 323         struct resource *res_port1;
 324         struct resource *res_port2;
 325         int irq;                        /* IRQ number */
 326         int dma1;                       /* DMA1 number */
 327         int dma2;                       /* DMA2 number */
 328         unsigned int memory;            /* GUS's DRAM size in bytes */
 329         unsigned int rom_memory;        /* GUS's ROM size in bytes */
 330         unsigned int rom_present;       /* bitmask */
 331         unsigned int rom_banks;         /* GUS's ROM banks */
 332
 333         snd_gf1_mem_t mem_alloc;
 334
 335         /* registers */
 336         unsigned short reg_page;
 337         unsigned short reg_regsel;
 338         unsigned short reg_data8;
 339         unsigned short reg_data16;
 340         unsigned short reg_irqstat;
 341         unsigned short reg_dram;
 342         unsigned short reg_timerctrl;
 343         unsigned short reg_timerdata;
 344         unsigned char ics_regs[6][2];
 345         /* --------- */
 346
 347         unsigned char active_voices;    /* active voices */
 348         unsigned char active_voice;     /* selected voice (GF1PAGE register) */
 349
 350         snd_gus_voice_t voices[32];     /* GF1 voices */
 351
 352         unsigned int default_voice_address;
 353
 354         unsigned short playback_freq;   /* GF1 playback (mixing) frequency */
 355         unsigned short mode;            /* see to SNDRV_GF1_MODE_XXXX */
 356         unsigned char volume_ramp;
 357         unsigned char smooth_pan;
 358         unsigned char full_range_pan;
 359         unsigned char pad0;
 360
 361         unsigned char *lfos;
 362
 363         /* interrupt handlers */
 364
 365         void (*interrupt_handler_midi_out) (snd_gus_card_t * gus);
 366         void (*interrupt_handler_midi_in) (snd_gus_card_t * gus);
 367         void (*interrupt_handler_timer1) (snd_gus_card_t * gus);
 368         void (*interrupt_handler_timer2) (snd_gus_card_t * gus);
 369         void (*interrupt_handler_dma_write) (snd_gus_card_t * gus);
 370         void (*interrupt_handler_dma_read) (snd_gus_card_t * gus);
 371
 372 #ifdef CONFIG_SND_DEBUG
 373         unsigned int interrupt_stat_midi_out;
 374         unsigned int interrupt_stat_midi_in;
 375         unsigned int interrupt_stat_timer1;
 376         unsigned int interrupt_stat_timer2;
 377         unsigned int interrupt_stat_dma_write;
 378         unsigned int interrupt_stat_dma_read;
 379         unsigned int interrupt_stat_voice_lost;
 380 #endif
 381
 382         /* synthesizer */
 383
 384         int seq_client;
 385         snd_gus_port_t seq_ports[4];
 386         snd_seq_kinstr_list_t *ilist;
 387         snd_iwffff_ops_t iwffff_ops;
 388         snd_gf1_ops_t gf1_ops;
 389         snd_simple_ops_t simple_ops;
 390
 391         /* timer */
 392
 393         unsigned short timer_enabled;
 394         snd_timer_t *timer1;
 395         snd_timer_t *timer2;
 396
 397         /* midi */
 398
 399         unsigned short uart_cmd;
 400         unsigned int uart_framing;
 401         unsigned int uart_overrun;
 402
 403         /* dma operations */
 404
 405         unsigned int dma_flags;
 406         unsigned int dma_shared;
 407         snd_gf1_dma_block_t *dma_data_pcm;
 408         snd_gf1_dma_block_t *dma_data_pcm_last;
 409         snd_gf1_dma_block_t *dma_data_synth;
 410         snd_gf1_dma_block_t *dma_data_synth_last;
 411         void (*dma_ack)(snd_gus_card_t * gus, void *private_data);
 412         void *dma_private_data;
 413
 414         /* pcm */
 415         int pcm_channels;
 416         int pcm_alloc_voices;
 417         unsigned short pcm_volume_level_left;
 418         unsigned short pcm_volume_level_right;
 419         unsigned short pcm_volume_level_left1;
 420         unsigned short pcm_volume_level_right1;
 421
 422         unsigned char pcm_rcntrl_reg;
 423         unsigned char pad_end;
 424 };
 425
 426 /* main structure for GUS card */
 427
 428 struct _snd_gus_card {
 429         snd_card_t *card;
 430
 431         unsigned int
 432          initialized: 1,                /* resources were initialized */
 433          equal_irq:1,                   /* GF1 and CODEC shares IRQ (GUS MAX only) */
 434          equal_dma:1,                   /* if dma channels are equal (not valid for daughter board) */
 435          ics_flag:1,                    /* have we ICS mixer chip */
 436          ics_flipped:1,                 /* ICS mixer have flipped some channels? */
 437          codec_flag:1,                  /* have we CODEC chip? */
 438          max_flag:1,                    /* have we GUS MAX card? */
 439          max_ctrl_flag:1,               /* have we original GUS MAX card? */
 440          daughter_flag:1,               /* have we daughter board? */
 441          interwave:1,                   /* hey - we have InterWave card */
 442          ess_flag:1,                    /* ESS chip found... GUS Extreme */
 443          ace_flag:1,                    /* GUS ACE detected */
 444          uart_enable:1;                 /* enable MIDI UART */
 445         unsigned short revision;        /* revision of chip */
 446         unsigned short max_cntrl_val;   /* GUS MAX control value */
 447         unsigned short mix_cntrl_reg;   /* mixer control register */
 448         unsigned short joystick_dac;    /* joystick DAC level */
 449         int timer_dev;                  /* timer device */
 450
 451         struct _snd_gf1 gf1;    /* gf1 specific variables */
 452         snd_pcm_t *pcm;
 453         snd_pcm_substream_t *pcm_cap_substream;
 454         unsigned int c_dma_size;
 455         unsigned int c_period_size;
 456         unsigned int c_pos;
 457
 458         snd_rawmidi_t *midi_uart;
 459         snd_rawmidi_substream_t *midi_substream_output;
 460         snd_rawmidi_substream_t *midi_substream_input;
 461
 462         snd_seq_device_t *seq_dev;
 463
 464         spinlock_t reg_lock;
 465         spinlock_t voice_alloc;
 466         spinlock_t active_voice_lock;
 467         spinlock_t event_lock;
 468         spinlock_t dma_lock;
 469         spinlock_t pcm_volume_level_lock;
 470         spinlock_t uart_cmd_lock;
 471         struct semaphore dma_mutex;
 472         struct semaphore register_mutex;
 473 };
 474
 475 /* I/O functions for GF1/InterWave chip - gus_io.c */
 476
 477 static inline void snd_gf1_select_voice(snd_gus_card_t * gus, int voice)
 478 {
 479         unsigned long flags;
 480
 481         spin_lock_irqsave(&gus->active_voice_lock, flags);
 482         if (voice != gus->gf1.active_voice) {
 483                 gus->gf1.active_voice = voice;
 484                 outb(voice, GUSP(gus, GF1PAGE));
 485         }
 486         spin_unlock_irqrestore(&gus->active_voice_lock, flags);
 487 }
 488
 489 static inline void snd_gf1_uart_cmd(snd_gus_card_t * gus, unsigned char b)
 490 {
 491         outb(gus->gf1.uart_cmd = b, GUSP(gus, MIDICTRL));
 492 }
 493
 494 static inline unsigned char snd_gf1_uart_stat(snd_gus_card_t * gus)
 495 {
 496         return inb(GUSP(gus, MIDISTAT));
 497 }
 498
 499 static inline void snd_gf1_uart_put(snd_gus_card_t * gus, unsigned char b)
 500 {
 501         outb(b, GUSP(gus, MIDIDATA));
 502 }
 503
 504 static inline unsigned char snd_gf1_uart_get(snd_gus_card_t * gus)
 505 {
 506         return inb(GUSP(gus, MIDIDATA));
 507 }
 508
 509 extern void snd_gf1_delay(snd_gus_card_t * gus);
 510
 511 extern void snd_gf1_ctrl_stop(snd_gus_card_t * gus, unsigned char reg);
 512
 513 extern void snd_gf1_write8(snd_gus_card_t * gus, unsigned char reg, unsigned char data);
 514 extern unsigned char snd_gf1_look8(snd_gus_card_t * gus, unsigned char reg);
 515 static inline unsigned char snd_gf1_read8(snd_gus_card_t * gus, unsigned char reg)
 516 {
 517         return snd_gf1_look8(gus, reg | 0x80);
 518 }
 519 extern void snd_gf1_write16(snd_gus_card_t * gus, unsigned char reg, unsigned int data);
 520 extern unsigned short snd_gf1_look16(snd_gus_card_t * gus, unsigned char reg);
 521 static inline unsigned short snd_gf1_read16(snd_gus_card_t * gus, unsigned char reg)
 522 {
 523         return snd_gf1_look16(gus, reg | 0x80);
 524 }
 525 extern void snd_gf1_adlib_write(snd_gus_card_t * gus, unsigned char reg, unsigned char data);
 526 extern void snd_gf1_dram_addr(snd_gus_card_t * gus, unsigned int addr);
 527 extern void snd_gf1_poke(snd_gus_card_t * gus, unsigned int addr, unsigned char data);
 528 extern unsigned char snd_gf1_peek(snd_gus_card_t * gus, unsigned int addr);
 529 extern void snd_gf1_write_addr(snd_gus_card_t * gus, unsigned char reg, unsigned int addr, short w_16bit);
 530 extern unsigned int snd_gf1_read_addr(snd_gus_card_t * gus, unsigned char reg, short w_16bit);
 531 extern void snd_gf1_i_ctrl_stop(snd_gus_card_t * gus, unsigned char reg);
 532 extern void snd_gf1_i_write8(snd_gus_card_t * gus, unsigned char reg, unsigned char data);
 533 extern unsigned char snd_gf1_i_look8(snd_gus_card_t * gus, unsigned char reg);
 534 extern void snd_gf1_i_write16(snd_gus_card_t * gus, unsigned char reg, unsigned int data);
 535 static inline unsigned char snd_gf1_i_read8(snd_gus_card_t * gus, unsigned char reg)
 536 {
 537         return snd_gf1_i_look8(gus, reg | 0x80);
 538 }
 539 extern unsigned short snd_gf1_i_look16(snd_gus_card_t * gus, unsigned char reg);
 540 static inline unsigned short snd_gf1_i_read16(snd_gus_card_t * gus, unsigned char reg)
 541 {
 542         return snd_gf1_i_look16(gus, reg | 0x80);
 543 }
 544
 545 extern void snd_gf1_select_active_voices(snd_gus_card_t * gus);
 546
 547 /* gus_lfo.c */
 548
 549 struct _SND_IW_LFO_PROGRAM {
 550         unsigned short freq_and_control;
 551         unsigned char depth_final;
 552         unsigned char depth_inc;
 553         unsigned short twave;
 554         unsigned short depth;
 555 };
 556
 557 #if 0
 558 extern irqreturn_t snd_gf1_lfo_effect_interrupt(snd_gus_card_t * gus, snd_gf1_voice_t * voice);
 559 #endif
 560 extern void snd_gf1_lfo_init(snd_gus_card_t * gus);
 561 extern void snd_gf1_lfo_done(snd_gus_card_t * gus);
 562 extern void snd_gf1_lfo_program(snd_gus_card_t * gus, int voice, int lfo_type, struct _SND_IW_LFO_PROGRAM *program);
 563 extern void snd_gf1_lfo_enable(snd_gus_card_t * gus, int voice, int lfo_type);
 564 extern void snd_gf1_lfo_disable(snd_gus_card_t * gus, int voice, int lfo_type);
 565 extern void snd_gf1_lfo_change_freq(snd_gus_card_t * gus, int voice, int lfo_type, int freq);
 566 extern void snd_gf1_lfo_change_depth(snd_gus_card_t * gus, int voice, int lfo_type, int depth);
 567 extern void snd_gf1_lfo_setup(snd_gus_card_t * gus, int voice, int lfo_type, int freq, int current_depth, int depth, int sweep, int shape);
 568 extern void snd_gf1_lfo_shutdown(snd_gus_card_t * gus, int voice, int lfo_type);
 569 #if 0
 570 extern void snd_gf1_lfo_command(snd_gus_card_t * gus, int voice, unsigned char *command);
 571 #endif
 572
 573 /* gus_mem.c */
 574
 575 void snd_gf1_mem_lock(snd_gf1_mem_t * alloc, int xup);
 576 int snd_gf1_mem_xfree(snd_gf1_mem_t * alloc, snd_gf1_mem_block_t * block);
 577 snd_gf1_mem_block_t *snd_gf1_mem_alloc(snd_gf1_mem_t * alloc, int owner,
 578                                        char *name, int size, int w_16,
 579                                        int align, unsigned int *share_id);
 580 int snd_gf1_mem_free(snd_gf1_mem_t * alloc, unsigned int address);
 581 int snd_gf1_mem_free_owner(snd_gf1_mem_t * alloc, int owner);
 582 int snd_gf1_mem_init(snd_gus_card_t * gus);
 583 int snd_gf1_mem_done(snd_gus_card_t * gus);
 584
 585 /* gus_mem_proc.c */
 586
 587 int snd_gf1_mem_proc_init(snd_gus_card_t * gus);
 588
 589 /* gus_dma.c */
 590
 591 int snd_gf1_dma_init(snd_gus_card_t * gus);
 592 int snd_gf1_dma_done(snd_gus_card_t * gus);
 593 int snd_gf1_dma_transfer_block(snd_gus_card_t * gus,
 594                                snd_gf1_dma_block_t * block,
 595                                int atomic,
 596                                int synth);
 597
 598 /* gus_volume.c */
 599
 600 unsigned short snd_gf1_lvol_to_gvol_raw(unsigned int vol);
 601 unsigned short snd_gf1_translate_freq(snd_gus_card_t * gus, unsigned int freq2);
 602
 603 /* gus_reset.c */
 604
 605 void snd_gf1_set_default_handlers(snd_gus_card_t * gus, unsigned int what);
 606 void snd_gf1_smart_stop_voice(snd_gus_card_t * gus, unsigned short voice);
 607 void snd_gf1_stop_voice(snd_gus_card_t * gus, unsigned short voice);
 608 void snd_gf1_stop_voices(snd_gus_card_t * gus, unsigned short v_min, unsigned short v_max);
 609 snd_gus_voice_t *snd_gf1_alloc_voice(snd_gus_card_t * gus, int type, int client, int port);
 610 void snd_gf1_free_voice(snd_gus_card_t * gus, snd_gus_voice_t *voice);
 611 int snd_gf1_start(snd_gus_card_t * gus);
 612 int snd_gf1_stop(snd_gus_card_t * gus);
 613
 614 /* gus_mixer.c */
 615
 616 int snd_gf1_new_mixer(snd_gus_card_t * gus);
 617
 618 /* gus_pcm.c */
 619
 620 int snd_gf1_pcm_new(snd_gus_card_t * gus, int pcm_dev, int control_index, snd_pcm_t ** rpcm);
 621
 622 #ifdef CONFIG_SND_DEBUG
 623 extern void snd_gf1_print_voice_registers(snd_gus_card_t * gus);
 624 #endif
 625
 626 /* gus.c */
 627
 628 int snd_gus_use_inc(snd_gus_card_t * gus);
 629 void snd_gus_use_dec(snd_gus_card_t * gus);
 630 int snd_gus_create(snd_card_t * card,
 631                    unsigned long port,
 632                    int irq, int dma1, int dma2,
 633                    int timer_dev,
 634                    int voices,
 635                    int pcm_channels,
 636                    int effect,
 637                    snd_gus_card_t ** rgus);
 638 int snd_gus_initialize(snd_gus_card_t * gus);
 639
 640 /* gus_irq.c */
 641
 642 irqreturn_t snd_gus_interrupt(int irq, void *dev_id, struct pt_regs *regs);
 643 #ifdef CONFIG_SND_DEBUG
 644 void snd_gus_irq_profile_init(snd_gus_card_t *gus);
 645 #endif
 646
 647 /* gus_uart.c */
 648
 649 int snd_gf1_rawmidi_new(snd_gus_card_t * gus, int device, snd_rawmidi_t **rrawmidi);
 650
 651 #if 0
 652 extern void snd_engine_instrument_register(unsigned short mode,
 653                 struct _SND_INSTRUMENT_VOICE_COMMANDS *voice_cmds,
 654                 struct _SND_INSTRUMENT_NOTE_COMMANDS *note_cmds,
 655                 struct _SND_INSTRUMENT_CHANNEL_COMMANDS *channel_cmds);
 656 extern int snd_engine_instrument_register_ask(unsigned short mode);
 657 #endif
 658
 659 /* gus_dram.c */
 660 int snd_gus_dram_write(snd_gus_card_t *gus, char __user *ptr,
 661                        unsigned int addr, unsigned int size);
 662 int snd_gus_dram_read(snd_gus_card_t *gus, char __user *ptr,
 663                       unsigned int addr, unsigned int size, int rom);
 664
 665 #if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE)
 666
 667 /* gus_sample.c */
 668 void snd_gus_sample_event(snd_seq_event_t *ev, snd_gus_port_t *p);
 669
 670 /* gus_simple.c */
 671 void snd_gf1_simple_init(snd_gus_voice_t *voice);
 672
 673 /* gus_instr.c */
 674 int snd_gus_iwffff_put_sample(void *private_data, iwffff_wave_t *wave,
 675                               char __user *data, long len, int atomic);
 676 int snd_gus_iwffff_get_sample(void *private_data, iwffff_wave_t *wave,
 677                               char __user *data, long len, int atomic);
 678 int snd_gus_iwffff_remove_sample(void *private_data, iwffff_wave_t *wave,
 679                                  int atomic);
 680 int snd_gus_gf1_put_sample(void *private_data, gf1_wave_t *wave,
 681                            char __user *data, long len, int atomic);
 682 int snd_gus_gf1_get_sample(void *private_data, gf1_wave_t *wave,
 683                            char __user *data, long len, int atomic);
 684 int snd_gus_gf1_remove_sample(void *private_data, gf1_wave_t *wave,
 685                               int atomic);
 686 int snd_gus_simple_put_sample(void *private_data, simple_instrument_t *instr,
 687                               char __user *data, long len, int atomic);
 688 int snd_gus_simple_get_sample(void *private_data, simple_instrument_t *instr,
 689                               char __user *data, long len, int atomic);
 690 int snd_gus_simple_remove_sample(void *private_data, simple_instrument_t *instr,
 691                                  int atomic);
 692
 693 #endif /* CONFIG_SND_SEQUENCER */
 694
 695 #endif /* __SOUND_GUS_H */