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 "pcm.h" 26#include "rawmidi.h" 27#include "timer.h" 28#include "seq_midi_emul.h" 29#include "seq_device.h" 30#include <asm/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 181struct snd_gus_card; 182 183/* GF1 specific structure */ 184 185struct snd_gf1_bank_info { 186 unsigned int address; 187 unsigned int size; 188}; 189 190struct 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 202struct 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 210struct 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 221struct 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 230struct 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 240enum snd_gus_volume_state { 241 VENV_BEFORE, 242 VENV_ATTACK, 243 VENV_SUSTAIN, 244 VENV_RELEASE, 245 VENV_DONE, 246 VENV_VOLUME 247}; 248 249struct 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 295struct 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 404struct 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 451static 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 463static 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 468static inline unsigned char snd_gf1_uart_stat(struct snd_gus_card * gus) 469{ 470 return inb(GUSP(gus, MIDISTAT)); 471} 472 473static inline void snd_gf1_uart_put(struct snd_gus_card * gus, unsigned char b) 474{ 475 outb(b, GUSP(gus, MIDIDATA)); 476} 477 478static inline unsigned char snd_gf1_uart_get(struct snd_gus_card * gus) 479{ 480 return inb(GUSP(gus, MIDIDATA)); 481} 482 483extern void snd_gf1_delay(struct snd_gus_card * gus); 484 485extern void snd_gf1_ctrl_stop(struct snd_gus_card * gus, unsigned char reg); 486 487extern void snd_gf1_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data); 488extern unsigned char snd_gf1_look8(struct snd_gus_card * gus, unsigned char reg); 489static inline unsigned char snd_gf1_read8(struct snd_gus_card * gus, unsigned char reg) 490{ 491 return snd_gf1_look8(gus, reg | 0x80); 492} 493extern void snd_gf1_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data); 494extern unsigned short snd_gf1_look16(struct snd_gus_card * gus, unsigned char reg); 495static inline unsigned short snd_gf1_read16(struct snd_gus_card * gus, unsigned char reg) 496{ 497 return snd_gf1_look16(gus, reg | 0x80); 498} 499extern void snd_gf1_adlib_write(struct snd_gus_card * gus, unsigned char reg, unsigned char data); 500extern void snd_gf1_dram_addr(struct snd_gus_card * gus, unsigned int addr); 501extern void snd_gf1_poke(struct snd_gus_card * gus, unsigned int addr, unsigned char data); 502extern unsigned char snd_gf1_peek(struct snd_gus_card * gus, unsigned int addr); 503extern void snd_gf1_write_addr(struct snd_gus_card * gus, unsigned char reg, unsigned int addr, short w_16bit); 504extern unsigned int snd_gf1_read_addr(struct snd_gus_card * gus, unsigned char reg, short w_16bit); 505extern void snd_gf1_i_ctrl_stop(struct snd_gus_card * gus, unsigned char reg); 506extern void snd_gf1_i_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data); 507extern unsigned char snd_gf1_i_look8(struct snd_gus_card * gus, unsigned char reg); 508extern void snd_gf1_i_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data); 509static 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} 513extern unsigned short snd_gf1_i_look16(struct snd_gus_card * gus, unsigned char reg); 514static 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 519extern void snd_gf1_select_active_voices(struct snd_gus_card * gus); 520 521/* gus_lfo.c */ 522 523struct _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 531extern void snd_gf1_lfo_init(struct snd_gus_card * gus); 532extern void snd_gf1_lfo_done(struct snd_gus_card * gus); 533extern void snd_gf1_lfo_program(struct snd_gus_card * gus, int voice, int lfo_type, struct _SND_IW_LFO_PROGRAM *program); 534extern void snd_gf1_lfo_enable(struct snd_gus_card * gus, int voice, int lfo_type); 535extern void snd_gf1_lfo_disable(struct snd_gus_card * gus, int voice, int lfo_type); 536extern void snd_gf1_lfo_change_freq(struct snd_gus_card * gus, int voice, int lfo_type, int freq); 537extern void snd_gf1_lfo_change_depth(struct snd_gus_card * gus, int voice, int lfo_type, int depth); 538extern 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); 539extern void snd_gf1_lfo_shutdown(struct snd_gus_card * gus, int voice, int lfo_type); 540 541/* gus_mem.c */ 542 543void snd_gf1_mem_lock(struct snd_gf1_mem * alloc, int xup); 544int snd_gf1_mem_xfree(struct snd_gf1_mem * alloc, struct snd_gf1_mem_block * block); 545struct snd_gf1_mem_block *snd_gf1_mem_alloc(struct snd_gf1_mem * alloc, int owner, 546 char *name, int size, int w_16, 547 int align, unsigned int *share_id); 548int snd_gf1_mem_free(struct snd_gf1_mem * alloc, unsigned int address); 549int snd_gf1_mem_free_owner(struct snd_gf1_mem * alloc, int owner); 550int snd_gf1_mem_init(struct snd_gus_card * gus); 551int snd_gf1_mem_done(struct snd_gus_card * gus); 552 553/* gus_mem_proc.c */ 554 555int snd_gf1_mem_proc_init(struct snd_gus_card * gus); 556 557/* gus_dma.c */ 558 559int snd_gf1_dma_init(struct snd_gus_card * gus); 560int snd_gf1_dma_done(struct snd_gus_card * gus); 561int snd_gf1_dma_transfer_block(struct snd_gus_card * gus, 562 struct snd_gf1_dma_block * block, 563 int atomic, 564 int synth); 565 566/* gus_volume.c */ 567 568unsigned short snd_gf1_lvol_to_gvol_raw(unsigned int vol); 569unsigned short snd_gf1_translate_freq(struct snd_gus_card * gus, unsigned int freq2); 570 571/* gus_reset.c */ 572 573void snd_gf1_set_default_handlers(struct snd_gus_card * gus, unsigned int what); 574void snd_gf1_smart_stop_voice(struct snd_gus_card * gus, unsigned short voice); 575void snd_gf1_stop_voice(struct snd_gus_card * gus, unsigned short voice); 576void snd_gf1_stop_voices(struct snd_gus_card * gus, unsigned short v_min, unsigned short v_max); 577struct snd_gus_voice *snd_gf1_alloc_voice(struct snd_gus_card * gus, int type, int client, int port); 578void snd_gf1_free_voice(struct snd_gus_card * gus, struct snd_gus_voice *voice); 579int snd_gf1_start(struct snd_gus_card * gus); 580int snd_gf1_stop(struct snd_gus_card * gus); 581 582/* gus_mixer.c */ 583 584int snd_gf1_new_mixer(struct snd_gus_card * gus); 585 586/* gus_pcm.c */ 587 588int snd_gf1_pcm_new(struct snd_gus_card * gus, int pcm_dev, int control_index, struct snd_pcm ** rpcm); 589 590#ifdef CONFIG_SND_DEBUG 591extern void snd_gf1_print_voice_registers(struct snd_gus_card * gus); 592#endif 593 594/* gus.c */ 595 596int snd_gus_use_inc(struct snd_gus_card * gus); 597void snd_gus_use_dec(struct snd_gus_card * gus); 598int snd_gus_create(struct snd_card *card, 599 unsigned long port, 600 int irq, int dma1, int dma2, 601 int timer_dev, 602 int voices, 603 int pcm_channels, 604 int effect, 605 struct snd_gus_card ** rgus); 606int snd_gus_initialize(struct snd_gus_card * gus); 607 608/* gus_irq.c */ 609 610irqreturn_t snd_gus_interrupt(int irq, void *dev_id); 611#ifdef CONFIG_SND_DEBUG 612void snd_gus_irq_profile_init(struct snd_gus_card *gus); 613#endif 614 615/* gus_uart.c */ 616 617int snd_gf1_rawmidi_new(struct snd_gus_card * gus, int device, struct snd_rawmidi **rrawmidi); 618 619/* gus_dram.c */ 620int snd_gus_dram_write(struct snd_gus_card *gus, char __user *ptr, 621 unsigned int addr, unsigned int size); 622int snd_gus_dram_read(struct snd_gus_card *gus, char __user *ptr, 623 unsigned int addr, unsigned int size, int rom); 624 625#endif /* __SOUND_GUS_H */ 626