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1/* SPDX-License-Identifier: GPL-2.0-or-later */2#ifndef __SOUND_GUS_H3#define __SOUND_GUS_H4 5/*6 * Global structures used for GUS part of ALSA driver7 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>8 */9 10#include <sound/pcm.h>11#include <sound/rawmidi.h>12#include <sound/timer.h>13#include <sound/seq_midi_emul.h>14#include <sound/seq_device.h>15#include <linux/io.h>16 17/* IO ports */18 19#define GUSP(gus, x) ((gus)->gf1.port + SNDRV_g_u_s_##x)20 21#define SNDRV_g_u_s_MIDICTRL (0x320-0x220)22#define SNDRV_g_u_s_MIDISTAT (0x320-0x220)23#define SNDRV_g_u_s_MIDIDATA (0x321-0x220)24 25#define SNDRV_g_u_s_GF1PAGE (0x322-0x220)26#define SNDRV_g_u_s_GF1REGSEL (0x323-0x220)27#define SNDRV_g_u_s_GF1DATALOW (0x324-0x220)28#define SNDRV_g_u_s_GF1DATAHIGH (0x325-0x220)29#define SNDRV_g_u_s_IRQSTAT (0x226-0x220)30#define SNDRV_g_u_s_TIMERCNTRL (0x228-0x220)31#define SNDRV_g_u_s_TIMERDATA (0x229-0x220)32#define SNDRV_g_u_s_DRAM (0x327-0x220)33#define SNDRV_g_u_s_MIXCNTRLREG (0x220-0x220)34#define SNDRV_g_u_s_IRQDMACNTRLREG (0x22b-0x220)35#define SNDRV_g_u_s_REGCNTRLS (0x22f-0x220)36#define SNDRV_g_u_s_BOARDVERSION (0x726-0x220)37#define SNDRV_g_u_s_MIXCNTRLPORT (0x726-0x220)38#define SNDRV_g_u_s_IVER (0x325-0x220)39#define SNDRV_g_u_s_MIXDATAPORT (0x326-0x220)40#define SNDRV_g_u_s_MAXCNTRLPORT (0x326-0x220)41 42/* GF1 registers */43 44/* global registers */45#define SNDRV_GF1_GB_ACTIVE_VOICES 0x0e46#define SNDRV_GF1_GB_VOICES_IRQ 0x0f47#define SNDRV_GF1_GB_GLOBAL_MODE 0x1948#define SNDRV_GF1_GW_LFO_BASE 0x1a49#define SNDRV_GF1_GB_VOICES_IRQ_READ 0x1f50#define SNDRV_GF1_GB_DRAM_DMA_CONTROL 0x4151#define SNDRV_GF1_GW_DRAM_DMA_LOW 0x4252#define SNDRV_GF1_GW_DRAM_IO_LOW 0x4353#define SNDRV_GF1_GB_DRAM_IO_HIGH 0x4454#define SNDRV_GF1_GB_SOUND_BLASTER_CONTROL 0x4555#define SNDRV_GF1_GB_ADLIB_TIMER_1 0x4656#define SNDRV_GF1_GB_ADLIB_TIMER_2 0x4757#define SNDRV_GF1_GB_RECORD_RATE 0x4858#define SNDRV_GF1_GB_REC_DMA_CONTROL 0x4959#define SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL 0x4b60#define SNDRV_GF1_GB_RESET 0x4c61#define SNDRV_GF1_GB_DRAM_DMA_HIGH 0x5062#define SNDRV_GF1_GW_DRAM_IO16 0x5163#define SNDRV_GF1_GW_MEMORY_CONFIG 0x5264#define SNDRV_GF1_GB_MEMORY_CONTROL 0x5365#define SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR 0x5466#define SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR 0x5567#define SNDRV_GF1_GW_FIFO_SIZE 0x5668#define SNDRV_GF1_GW_INTERLEAVE 0x5769#define SNDRV_GF1_GB_COMPATIBILITY 0x5970#define SNDRV_GF1_GB_DECODE_CONTROL 0x5a71#define SNDRV_GF1_GB_VERSION_NUMBER 0x5b72#define SNDRV_GF1_GB_MPU401_CONTROL_A 0x5c73#define SNDRV_GF1_GB_MPU401_CONTROL_B 0x5d74#define SNDRV_GF1_GB_EMULATION_IRQ 0x6075/* voice specific registers */76#define SNDRV_GF1_VB_ADDRESS_CONTROL 0x0077#define SNDRV_GF1_VW_FREQUENCY 0x0178#define SNDRV_GF1_VW_START_HIGH 0x0279#define SNDRV_GF1_VW_START_LOW 0x0380#define SNDRV_GF1_VA_START SNDRV_GF1_VW_START_HIGH81#define SNDRV_GF1_VW_END_HIGH 0x0482#define SNDRV_GF1_VW_END_LOW 0x0583#define SNDRV_GF1_VA_END SNDRV_GF1_VW_END_HIGH84#define SNDRV_GF1_VB_VOLUME_RATE 0x0685#define SNDRV_GF1_VB_VOLUME_START 0x0786#define SNDRV_GF1_VB_VOLUME_END 0x0887#define SNDRV_GF1_VW_VOLUME 0x0988#define SNDRV_GF1_VW_CURRENT_HIGH 0x0a89#define SNDRV_GF1_VW_CURRENT_LOW 0x0b90#define SNDRV_GF1_VA_CURRENT SNDRV_GF1_VW_CURRENT_HIGH91#define SNDRV_GF1_VB_PAN 0x0c92#define SNDRV_GF1_VW_OFFSET_RIGHT 0x0c93#define SNDRV_GF1_VB_VOLUME_CONTROL 0x0d94#define SNDRV_GF1_VB_UPPER_ADDRESS 0x1095#define SNDRV_GF1_VW_EFFECT_HIGH 0x1196#define SNDRV_GF1_VW_EFFECT_LOW 0x1297#define SNDRV_GF1_VA_EFFECT SNDRV_GF1_VW_EFFECT_HIGH98#define SNDRV_GF1_VW_OFFSET_LEFT 0x1399#define SNDRV_GF1_VB_ACCUMULATOR 0x14100#define SNDRV_GF1_VB_MODE 0x15101#define SNDRV_GF1_VW_EFFECT_VOLUME 0x16102#define SNDRV_GF1_VB_FREQUENCY_LFO 0x17103#define SNDRV_GF1_VB_VOLUME_LFO 0x18104#define SNDRV_GF1_VW_OFFSET_RIGHT_FINAL 0x1b105#define SNDRV_GF1_VW_OFFSET_LEFT_FINAL 0x1c106#define SNDRV_GF1_VW_EFFECT_VOLUME_FINAL 0x1d107 108/* ICS registers */109 110#define SNDRV_ICS_MIC_DEV 0111#define SNDRV_ICS_LINE_DEV 1112#define SNDRV_ICS_CD_DEV 2113#define SNDRV_ICS_GF1_DEV 3114#define SNDRV_ICS_NONE_DEV 4115#define SNDRV_ICS_MASTER_DEV 5116 117/* LFO */118 119#define SNDRV_LFO_TREMOLO 0120#define SNDRV_LFO_VIBRATO 1121 122/* misc */123 124#define SNDRV_GF1_DMA_UNSIGNED 0x80125#define SNDRV_GF1_DMA_16BIT 0x40126#define SNDRV_GF1_DMA_IRQ 0x20127#define SNDRV_GF1_DMA_WIDTH16 0x04128#define SNDRV_GF1_DMA_READ 0x02 /* read from GUS's DRAM */129#define SNDRV_GF1_DMA_ENABLE 0x01130 131/* ramp ranges */132 133#define SNDRV_GF1_ATTEN(x) (snd_gf1_atten_table[x])134#define SNDRV_GF1_MIN_VOLUME 1800135#define SNDRV_GF1_MAX_VOLUME 4095136#define SNDRV_GF1_MIN_OFFSET (SNDRV_GF1_MIN_VOLUME>>4)137#define SNDRV_GF1_MAX_OFFSET 255138#define SNDRV_GF1_MAX_TDEPTH 90139 140/* defines for memory manager */141 142#define SNDRV_GF1_MEM_BLOCK_16BIT 0x0001143 144#define SNDRV_GF1_MEM_OWNER_DRIVER 0x0001145#define SNDRV_GF1_MEM_OWNER_WAVE_SIMPLE 0x0002146#define SNDRV_GF1_MEM_OWNER_WAVE_GF1 0x0003147#define SNDRV_GF1_MEM_OWNER_WAVE_IWFFFF 0x0004148 149/* constants for interrupt handlers */150 151#define SNDRV_GF1_HANDLER_MIDI_OUT 0x00010000152#define SNDRV_GF1_HANDLER_MIDI_IN 0x00020000153#define SNDRV_GF1_HANDLER_TIMER1 0x00040000154#define SNDRV_GF1_HANDLER_TIMER2 0x00080000155#define SNDRV_GF1_HANDLER_VOICE 0x00100000156#define SNDRV_GF1_HANDLER_DMA_WRITE 0x00200000157#define SNDRV_GF1_HANDLER_DMA_READ 0x00400000158#define SNDRV_GF1_HANDLER_ALL (0xffff0000&~SNDRV_GF1_HANDLER_VOICE)159 160/* constants for DMA flags */161 162#define SNDRV_GF1_DMA_TRIGGER 1163 164/* --- */165 166struct snd_gus_card;167 168/* GF1 specific structure */169 170struct snd_gf1_bank_info {171 unsigned int address;172 unsigned int size;173};174 175struct snd_gf1_mem_block {176 unsigned short flags; /* flags - SNDRV_GF1_MEM_BLOCK_XXXX */177 unsigned short owner; /* owner - SNDRV_GF1_MEM_OWNER_XXXX */178 unsigned int share; /* share count */179 unsigned int share_id[4]; /* share ID */180 unsigned int ptr;181 unsigned int size;182 char *name;183 struct snd_gf1_mem_block *next;184 struct snd_gf1_mem_block *prev;185};186 187struct snd_gf1_mem {188 struct snd_gf1_bank_info banks_8[4];189 struct snd_gf1_bank_info banks_16[4];190 struct snd_gf1_mem_block *first;191 struct snd_gf1_mem_block *last;192 struct mutex memory_mutex;193};194 195struct snd_gf1_dma_block {196 void *buffer; /* buffer in computer's RAM */197 unsigned long buf_addr; /* buffer address */198 unsigned int addr; /* address in onboard memory */199 unsigned int count; /* count in bytes */200 unsigned int cmd; /* DMA command (format) */201 void (*ack)(struct snd_gus_card * gus, void *private_data);202 void *private_data;203 struct snd_gf1_dma_block *next;204};205 206struct snd_gus_port {207 struct snd_midi_channel_set * chset;208 struct snd_gus_card * gus;209 int mode; /* operation mode */210 int client; /* sequencer client number */211 int port; /* sequencer port number */212 unsigned int midi_has_voices: 1;213};214 215struct snd_gus_voice;216 217#define SNDRV_GF1_VOICE_TYPE_PCM 0218#define SNDRV_GF1_VOICE_TYPE_SYNTH 1219#define SNDRV_GF1_VOICE_TYPE_MIDI 2220 221#define SNDRV_GF1_VFLG_RUNNING (1<<0)222#define SNDRV_GF1_VFLG_EFFECT_TIMER1 (1<<1)223#define SNDRV_GF1_VFLG_PAN (1<<2)224 225enum snd_gus_volume_state {226 VENV_BEFORE,227 VENV_ATTACK,228 VENV_SUSTAIN,229 VENV_RELEASE,230 VENV_DONE,231 VENV_VOLUME232};233 234struct snd_gus_voice {235 int number;236 unsigned int use: 1,237 pcm: 1,238 synth:1,239 midi: 1;240 unsigned int flags;241 unsigned char client;242 unsigned char port;243 unsigned char index;244 unsigned char pad;245 246#ifdef CONFIG_SND_DEBUG247 unsigned int interrupt_stat_wave;248 unsigned int interrupt_stat_volume;249#endif250 void (*handler_wave) (struct snd_gus_card * gus, struct snd_gus_voice * voice);251 void (*handler_volume) (struct snd_gus_card * gus, struct snd_gus_voice * voice);252 void (*handler_effect) (struct snd_gus_card * gus, struct snd_gus_voice * voice);253 void (*volume_change) (struct snd_gus_card * gus);254 255 struct snd_gus_sample_ops *sample_ops;256 257 /* running status / registers */258 259 unsigned short fc_register;260 unsigned short fc_lfo;261 unsigned short gf1_volume;262 unsigned char control;263 unsigned char mode;264 unsigned char gf1_pan;265 unsigned char effect_accumulator;266 unsigned char volume_control;267 unsigned char venv_value_next;268 enum snd_gus_volume_state venv_state;269 enum snd_gus_volume_state venv_state_prev;270 unsigned short vlo;271 unsigned short vro;272 unsigned short gf1_effect_volume;273 274 /* --- */275 276 void *private_data;277 void (*private_free)(struct snd_gus_voice *voice);278};279 280struct snd_gf1 {281 282 unsigned int enh_mode:1, /* enhanced mode (GFA1) */283 hw_lfo:1, /* use hardware LFO */284 sw_lfo:1, /* use software LFO */285 effect:1; /* use effect voices */286 287 unsigned long port; /* port of GF1 chip */288 struct resource *res_port1;289 struct resource *res_port2;290 int irq; /* IRQ number */291 int dma1; /* DMA1 number */292 int dma2; /* DMA2 number */293 unsigned int memory; /* GUS's DRAM size in bytes */294 unsigned int rom_memory; /* GUS's ROM size in bytes */295 unsigned int rom_present; /* bitmask */296 unsigned int rom_banks; /* GUS's ROM banks */297 298 struct snd_gf1_mem mem_alloc;299 300 /* registers */301 unsigned short reg_page;302 unsigned short reg_regsel;303 unsigned short reg_data8;304 unsigned short reg_data16;305 unsigned short reg_irqstat;306 unsigned short reg_dram;307 unsigned short reg_timerctrl;308 unsigned short reg_timerdata;309 unsigned char ics_regs[6][2];310 /* --------- */311 312 unsigned char active_voices; /* active voices */313 unsigned char active_voice; /* selected voice (GF1PAGE register) */314 315 struct snd_gus_voice voices[32]; /* GF1 voices */316 317 unsigned int default_voice_address;318 319 unsigned short playback_freq; /* GF1 playback (mixing) frequency */320 unsigned short mode; /* see to SNDRV_GF1_MODE_XXXX */321 unsigned char volume_ramp;322 unsigned char smooth_pan;323 unsigned char full_range_pan;324 unsigned char pad0;325 326 unsigned char *lfos;327 328 /* interrupt handlers */329 330 void (*interrupt_handler_midi_out) (struct snd_gus_card * gus);331 void (*interrupt_handler_midi_in) (struct snd_gus_card * gus);332 void (*interrupt_handler_timer1) (struct snd_gus_card * gus);333 void (*interrupt_handler_timer2) (struct snd_gus_card * gus);334 void (*interrupt_handler_dma_write) (struct snd_gus_card * gus);335 void (*interrupt_handler_dma_read) (struct snd_gus_card * gus);336 337#ifdef CONFIG_SND_DEBUG338 unsigned int interrupt_stat_midi_out;339 unsigned int interrupt_stat_midi_in;340 unsigned int interrupt_stat_timer1;341 unsigned int interrupt_stat_timer2;342 unsigned int interrupt_stat_dma_write;343 unsigned int interrupt_stat_dma_read;344 unsigned int interrupt_stat_voice_lost;345#endif346 347 /* synthesizer */348 349 int seq_client;350 struct snd_gus_port seq_ports[4];351 352 /* timer */353 354 unsigned short timer_enabled;355 struct snd_timer *timer1;356 struct snd_timer *timer2;357 358 /* midi */359 360 unsigned short uart_cmd;361 unsigned int uart_framing;362 unsigned int uart_overrun;363 364 /* dma operations */365 366 unsigned int dma_flags;367 unsigned int dma_shared;368 struct snd_gf1_dma_block *dma_data_pcm;369 struct snd_gf1_dma_block *dma_data_pcm_last;370 struct snd_gf1_dma_block *dma_data_synth;371 struct snd_gf1_dma_block *dma_data_synth_last;372 void (*dma_ack)(struct snd_gus_card * gus, void *private_data);373 void *dma_private_data;374 375 /* pcm */376 int pcm_channels;377 int pcm_alloc_voices;378 unsigned short pcm_volume_level_left;379 unsigned short pcm_volume_level_right;380 unsigned short pcm_volume_level_left1;381 unsigned short pcm_volume_level_right1;382 383 unsigned char pcm_rcntrl_reg;384 unsigned char pad_end;385};386 387/* main structure for GUS card */388 389struct snd_gus_card {390 struct snd_card *card;391 392 unsigned int393 initialized: 1, /* resources were initialized */394 equal_irq:1, /* GF1 and CODEC shares IRQ (GUS MAX only) */395 equal_dma:1, /* if dma channels are equal (not valid for daughter board) */396 ics_flag:1, /* have we ICS mixer chip */397 ics_flipped:1, /* ICS mixer have flipped some channels? */398 codec_flag:1, /* have we CODEC chip? */399 max_flag:1, /* have we GUS MAX card? */400 max_ctrl_flag:1, /* have we original GUS MAX card? */401 daughter_flag:1, /* have we daughter board? */402 interwave:1, /* hey - we have InterWave card */403 ess_flag:1, /* ESS chip found... GUS Extreme */404 ace_flag:1, /* GUS ACE detected */405 uart_enable:1; /* enable MIDI UART */406 unsigned short revision; /* revision of chip */407 unsigned short max_cntrl_val; /* GUS MAX control value */408 unsigned short mix_cntrl_reg; /* mixer control register */409 unsigned short joystick_dac; /* joystick DAC level */410 int timer_dev; /* timer device */411 412 struct snd_gf1 gf1; /* gf1 specific variables */413 struct snd_pcm *pcm;414 struct snd_pcm_substream *pcm_cap_substream;415 unsigned int c_dma_size;416 unsigned int c_period_size;417 unsigned int c_pos;418 419 struct snd_rawmidi *midi_uart;420 struct snd_rawmidi_substream *midi_substream_output;421 struct snd_rawmidi_substream *midi_substream_input;422 423 spinlock_t reg_lock;424 spinlock_t voice_alloc;425 spinlock_t active_voice_lock;426 spinlock_t event_lock;427 spinlock_t dma_lock;428 spinlock_t pcm_volume_level_lock;429 spinlock_t uart_cmd_lock;430 struct mutex dma_mutex;431 struct mutex register_mutex;432};433 434/* I/O functions for GF1/InterWave chip - gus_io.c */435 436static inline void snd_gf1_select_voice(struct snd_gus_card * gus, int voice)437{438 unsigned long flags;439 440 spin_lock_irqsave(&gus->active_voice_lock, flags);441 if (voice != gus->gf1.active_voice) {442 gus->gf1.active_voice = voice;443 outb(voice, GUSP(gus, GF1PAGE));444 }445 spin_unlock_irqrestore(&gus->active_voice_lock, flags);446}447 448static inline void snd_gf1_uart_cmd(struct snd_gus_card * gus, unsigned char b)449{450 outb(gus->gf1.uart_cmd = b, GUSP(gus, MIDICTRL));451}452 453static inline unsigned char snd_gf1_uart_stat(struct snd_gus_card * gus)454{455 return inb(GUSP(gus, MIDISTAT));456}457 458static inline void snd_gf1_uart_put(struct snd_gus_card * gus, unsigned char b)459{460 outb(b, GUSP(gus, MIDIDATA));461}462 463static inline unsigned char snd_gf1_uart_get(struct snd_gus_card * gus)464{465 return inb(GUSP(gus, MIDIDATA));466}467 468extern void snd_gf1_delay(struct snd_gus_card * gus);469 470extern void snd_gf1_ctrl_stop(struct snd_gus_card * gus, unsigned char reg);471 472extern void snd_gf1_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data);473extern unsigned char snd_gf1_look8(struct snd_gus_card * gus, unsigned char reg);474static inline unsigned char snd_gf1_read8(struct snd_gus_card * gus, unsigned char reg)475{476 return snd_gf1_look8(gus, reg | 0x80);477}478extern void snd_gf1_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data);479extern unsigned short snd_gf1_look16(struct snd_gus_card * gus, unsigned char reg);480static inline unsigned short snd_gf1_read16(struct snd_gus_card * gus, unsigned char reg)481{482 return snd_gf1_look16(gus, reg | 0x80);483}484extern void snd_gf1_adlib_write(struct snd_gus_card * gus, unsigned char reg, unsigned char data);485extern void snd_gf1_dram_addr(struct snd_gus_card * gus, unsigned int addr);486extern void snd_gf1_poke(struct snd_gus_card * gus, unsigned int addr, unsigned char data);487extern unsigned char snd_gf1_peek(struct snd_gus_card * gus, unsigned int addr);488extern void snd_gf1_write_addr(struct snd_gus_card * gus, unsigned char reg, unsigned int addr, short w_16bit);489extern unsigned int snd_gf1_read_addr(struct snd_gus_card * gus, unsigned char reg, short w_16bit);490extern void snd_gf1_i_ctrl_stop(struct snd_gus_card * gus, unsigned char reg);491extern void snd_gf1_i_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data);492extern unsigned char snd_gf1_i_look8(struct snd_gus_card * gus, unsigned char reg);493extern void snd_gf1_i_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data);494static inline unsigned char snd_gf1_i_read8(struct snd_gus_card * gus, unsigned char reg)495{496 return snd_gf1_i_look8(gus, reg | 0x80);497}498extern unsigned short snd_gf1_i_look16(struct snd_gus_card * gus, unsigned char reg);499static inline unsigned short snd_gf1_i_read16(struct snd_gus_card * gus, unsigned char reg)500{501 return snd_gf1_i_look16(gus, reg | 0x80);502}503 504extern void snd_gf1_select_active_voices(struct snd_gus_card * gus);505 506/* gus_lfo.c */507 508struct _SND_IW_LFO_PROGRAM {509 unsigned short freq_and_control;510 unsigned char depth_final;511 unsigned char depth_inc;512 unsigned short twave;513 unsigned short depth;514};515 516#if 0517extern irqreturn_t snd_gf1_lfo_effect_interrupt(struct snd_gus_card * gus, snd_gf1_voice_t * voice);518#endif519extern void snd_gf1_lfo_init(struct snd_gus_card * gus);520extern void snd_gf1_lfo_done(struct snd_gus_card * gus);521extern void snd_gf1_lfo_program(struct snd_gus_card * gus, int voice, int lfo_type, struct _SND_IW_LFO_PROGRAM *program);522extern void snd_gf1_lfo_enable(struct snd_gus_card * gus, int voice, int lfo_type);523extern void snd_gf1_lfo_disable(struct snd_gus_card * gus, int voice, int lfo_type);524extern void snd_gf1_lfo_change_freq(struct snd_gus_card * gus, int voice, int lfo_type, int freq);525extern void snd_gf1_lfo_change_depth(struct snd_gus_card * gus, int voice, int lfo_type, int depth);526extern 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);527extern void snd_gf1_lfo_shutdown(struct snd_gus_card * gus, int voice, int lfo_type);528#if 0529extern void snd_gf1_lfo_command(struct snd_gus_card * gus, int voice, unsigned char *command);530#endif531 532/* gus_mem.c */533 534void snd_gf1_mem_lock(struct snd_gf1_mem * alloc, int xup);535int snd_gf1_mem_xfree(struct snd_gf1_mem * alloc, struct snd_gf1_mem_block * block);536struct snd_gf1_mem_block *snd_gf1_mem_alloc(struct snd_gf1_mem * alloc, int owner,537 char *name, int size, int w_16,538 int align, unsigned int *share_id);539int snd_gf1_mem_free(struct snd_gf1_mem * alloc, unsigned int address);540int snd_gf1_mem_free_owner(struct snd_gf1_mem * alloc, int owner);541int snd_gf1_mem_init(struct snd_gus_card * gus);542int snd_gf1_mem_done(struct snd_gus_card * gus);543 544/* gus_mem_proc.c */545 546int snd_gf1_mem_proc_init(struct snd_gus_card * gus);547 548/* gus_dma.c */549 550int snd_gf1_dma_init(struct snd_gus_card * gus);551int snd_gf1_dma_done(struct snd_gus_card * gus);552int snd_gf1_dma_transfer_block(struct snd_gus_card * gus,553 struct snd_gf1_dma_block * block,554 int atomic,555 int synth);556 557/* gus_volume.c */558 559unsigned short snd_gf1_lvol_to_gvol_raw(unsigned int vol);560unsigned short snd_gf1_translate_freq(struct snd_gus_card * gus, unsigned int freq2);561 562/* gus_reset.c */563 564void snd_gf1_set_default_handlers(struct snd_gus_card * gus, unsigned int what);565void snd_gf1_smart_stop_voice(struct snd_gus_card * gus, unsigned short voice);566void snd_gf1_stop_voice(struct snd_gus_card * gus, unsigned short voice);567void snd_gf1_stop_voices(struct snd_gus_card * gus, unsigned short v_min, unsigned short v_max);568struct snd_gus_voice *snd_gf1_alloc_voice(struct snd_gus_card * gus, int type, int client, int port);569void snd_gf1_free_voice(struct snd_gus_card * gus, struct snd_gus_voice *voice);570int snd_gf1_start(struct snd_gus_card * gus);571int snd_gf1_stop(struct snd_gus_card * gus);572 573/* gus_mixer.c */574 575int snd_gf1_new_mixer(struct snd_gus_card * gus);576 577/* gus_pcm.c */578 579int snd_gf1_pcm_new(struct snd_gus_card *gus, int pcm_dev, int control_index);580 581#ifdef CONFIG_SND_DEBUG582extern void snd_gf1_print_voice_registers(struct snd_gus_card * gus);583#endif584 585/* gus.c */586 587int snd_gus_use_inc(struct snd_gus_card * gus);588void snd_gus_use_dec(struct snd_gus_card * gus);589int snd_gus_create(struct snd_card *card,590 unsigned long port,591 int irq, int dma1, int dma2,592 int timer_dev,593 int voices,594 int pcm_channels,595 int effect,596 struct snd_gus_card ** rgus);597int snd_gus_initialize(struct snd_gus_card * gus);598 599/* gus_irq.c */600 601irqreturn_t snd_gus_interrupt(int irq, void *dev_id);602#ifdef CONFIG_SND_DEBUG603void snd_gus_irq_profile_init(struct snd_gus_card *gus);604#endif605 606/* gus_uart.c */607 608int snd_gf1_rawmidi_new(struct snd_gus_card *gus, int device);609 610/* gus_dram.c */611int snd_gus_dram_write(struct snd_gus_card *gus, char __user *ptr,612 unsigned int addr, unsigned int size);613int snd_gus_dram_read(struct snd_gus_card *gus, char __user *ptr,614 unsigned int addr, unsigned int size, int rom);615 616/* gus_timer.c */617void snd_gf1_timers_init(struct snd_gus_card *gus);618void snd_gf1_timers_done(struct snd_gus_card *gus);619 620#endif /* __SOUND_GUS_H */621