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linux_dsm_epyc7002/include/sound/gus.h
Takashi Iwai 6cbbfe1c8d ALSA: Include linux/io.h instead of asm/io.h 
Nowadays it's recommended.  Replace all in a shot.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-28 16:49:33 +01:00

632 lines
20 KiB
C
Raw Blame History

#ifndef __SOUND_GUS_H
#define __SOUND_GUS_H
/*
* Global structures used for GUS part of ALSA driver
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <sound/pcm.h>
#include <sound/rawmidi.h>
#include <sound/timer.h>
#include <sound/seq_midi_emul.h>
#include <sound/seq_device.h>
#include <linux/io.h>
/* IO ports */
#define GUSP(gus, x) ((gus)->gf1.port + SNDRV_g_u_s_##x)
#define SNDRV_g_u_s_MIDICTRL (0x320-0x220)
#define SNDRV_g_u_s_MIDISTAT (0x320-0x220)
#define SNDRV_g_u_s_MIDIDATA (0x321-0x220)
#define SNDRV_g_u_s_GF1PAGE (0x322-0x220)
#define SNDRV_g_u_s_GF1REGSEL (0x323-0x220)
#define SNDRV_g_u_s_GF1DATALOW (0x324-0x220)
#define SNDRV_g_u_s_GF1DATAHIGH (0x325-0x220)
#define SNDRV_g_u_s_IRQSTAT (0x226-0x220)
#define SNDRV_g_u_s_TIMERCNTRL (0x228-0x220)
#define SNDRV_g_u_s_TIMERDATA (0x229-0x220)
#define SNDRV_g_u_s_DRAM (0x327-0x220)
#define SNDRV_g_u_s_MIXCNTRLREG (0x220-0x220)
#define SNDRV_g_u_s_IRQDMACNTRLREG (0x22b-0x220)
#define SNDRV_g_u_s_REGCNTRLS (0x22f-0x220)
#define SNDRV_g_u_s_BOARDVERSION (0x726-0x220)
#define SNDRV_g_u_s_MIXCNTRLPORT (0x726-0x220)
#define SNDRV_g_u_s_IVER (0x325-0x220)
#define SNDRV_g_u_s_MIXDATAPORT (0x326-0x220)
#define SNDRV_g_u_s_MAXCNTRLPORT (0x326-0x220)
/* GF1 registers */
/* global registers */
#define SNDRV_GF1_GB_ACTIVE_VOICES 0x0e
#define SNDRV_GF1_GB_VOICES_IRQ 0x0f
#define SNDRV_GF1_GB_GLOBAL_MODE 0x19
#define SNDRV_GF1_GW_LFO_BASE 0x1a
#define SNDRV_GF1_GB_VOICES_IRQ_READ 0x1f
#define SNDRV_GF1_GB_DRAM_DMA_CONTROL 0x41
#define SNDRV_GF1_GW_DRAM_DMA_LOW 0x42
#define SNDRV_GF1_GW_DRAM_IO_LOW 0x43
#define SNDRV_GF1_GB_DRAM_IO_HIGH 0x44
#define SNDRV_GF1_GB_SOUND_BLASTER_CONTROL 0x45
#define SNDRV_GF1_GB_ADLIB_TIMER_1 0x46
#define SNDRV_GF1_GB_ADLIB_TIMER_2 0x47
#define SNDRV_GF1_GB_RECORD_RATE 0x48
#define SNDRV_GF1_GB_REC_DMA_CONTROL 0x49
#define SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL 0x4b
#define SNDRV_GF1_GB_RESET 0x4c
#define SNDRV_GF1_GB_DRAM_DMA_HIGH 0x50
#define SNDRV_GF1_GW_DRAM_IO16 0x51
#define SNDRV_GF1_GW_MEMORY_CONFIG 0x52
#define SNDRV_GF1_GB_MEMORY_CONTROL 0x53
#define SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR 0x54
#define SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR 0x55
#define SNDRV_GF1_GW_FIFO_SIZE 0x56
#define SNDRV_GF1_GW_INTERLEAVE 0x57
#define SNDRV_GF1_GB_COMPATIBILITY 0x59
#define SNDRV_GF1_GB_DECODE_CONTROL 0x5a
#define SNDRV_GF1_GB_VERSION_NUMBER 0x5b
#define SNDRV_GF1_GB_MPU401_CONTROL_A 0x5c
#define SNDRV_GF1_GB_MPU401_CONTROL_B 0x5d
#define SNDRV_GF1_GB_EMULATION_IRQ 0x60
/* voice specific registers */
#define SNDRV_GF1_VB_ADDRESS_CONTROL 0x00
#define SNDRV_GF1_VW_FREQUENCY 0x01
#define SNDRV_GF1_VW_START_HIGH 0x02
#define SNDRV_GF1_VW_START_LOW 0x03
#define SNDRV_GF1_VA_START SNDRV_GF1_VW_START_HIGH
#define SNDRV_GF1_VW_END_HIGH 0x04
#define SNDRV_GF1_VW_END_LOW 0x05
#define SNDRV_GF1_VA_END SNDRV_GF1_VW_END_HIGH
#define SNDRV_GF1_VB_VOLUME_RATE 0x06
#define SNDRV_GF1_VB_VOLUME_START 0x07
#define SNDRV_GF1_VB_VOLUME_END 0x08
#define SNDRV_GF1_VW_VOLUME 0x09
#define SNDRV_GF1_VW_CURRENT_HIGH 0x0a
#define SNDRV_GF1_VW_CURRENT_LOW 0x0b
#define SNDRV_GF1_VA_CURRENT SNDRV_GF1_VW_CURRENT_HIGH
#define SNDRV_GF1_VB_PAN 0x0c
#define SNDRV_GF1_VW_OFFSET_RIGHT 0x0c
#define SNDRV_GF1_VB_VOLUME_CONTROL 0x0d
#define SNDRV_GF1_VB_UPPER_ADDRESS 0x10
#define SNDRV_GF1_VW_EFFECT_HIGH 0x11
#define SNDRV_GF1_VW_EFFECT_LOW 0x12
#define SNDRV_GF1_VA_EFFECT SNDRV_GF1_VW_EFFECT_HIGH
#define SNDRV_GF1_VW_OFFSET_LEFT 0x13
#define SNDRV_GF1_VB_ACCUMULATOR 0x14
#define SNDRV_GF1_VB_MODE 0x15
#define SNDRV_GF1_VW_EFFECT_VOLUME 0x16
#define SNDRV_GF1_VB_FREQUENCY_LFO 0x17
#define SNDRV_GF1_VB_VOLUME_LFO 0x18
#define SNDRV_GF1_VW_OFFSET_RIGHT_FINAL 0x1b
#define SNDRV_GF1_VW_OFFSET_LEFT_FINAL 0x1c
#define SNDRV_GF1_VW_EFFECT_VOLUME_FINAL 0x1d
/* ICS registers */
#define SNDRV_ICS_MIC_DEV 0
#define SNDRV_ICS_LINE_DEV 1
#define SNDRV_ICS_CD_DEV 2
#define SNDRV_ICS_GF1_DEV 3
#define SNDRV_ICS_NONE_DEV 4
#define SNDRV_ICS_MASTER_DEV 5
/* LFO */
#define SNDRV_LFO_TREMOLO 0
#define SNDRV_LFO_VIBRATO 1
/* misc */
#define SNDRV_GF1_DMA_UNSIGNED 0x80
#define SNDRV_GF1_DMA_16BIT 0x40
#define SNDRV_GF1_DMA_IRQ 0x20
#define SNDRV_GF1_DMA_WIDTH16 0x04
#define SNDRV_GF1_DMA_READ 0x02 /* read from GUS's DRAM */
#define SNDRV_GF1_DMA_ENABLE 0x01
/* ramp ranges */
#define SNDRV_GF1_ATTEN(x) (snd_gf1_atten_table[x])
#define SNDRV_GF1_MIN_VOLUME 1800
#define SNDRV_GF1_MAX_VOLUME 4095
#define SNDRV_GF1_MIN_OFFSET (SNDRV_GF1_MIN_VOLUME>>4)
#define SNDRV_GF1_MAX_OFFSET 255
#define SNDRV_GF1_MAX_TDEPTH 90
/* defines for memory manager */
#define SNDRV_GF1_MEM_BLOCK_16BIT 0x0001
#define SNDRV_GF1_MEM_OWNER_DRIVER 0x0001
#define SNDRV_GF1_MEM_OWNER_WAVE_SIMPLE 0x0002
#define SNDRV_GF1_MEM_OWNER_WAVE_GF1 0x0003
#define SNDRV_GF1_MEM_OWNER_WAVE_IWFFFF 0x0004
/* constants for interrupt handlers */
#define SNDRV_GF1_HANDLER_MIDI_OUT 0x00010000
#define SNDRV_GF1_HANDLER_MIDI_IN 0x00020000
#define SNDRV_GF1_HANDLER_TIMER1 0x00040000
#define SNDRV_GF1_HANDLER_TIMER2 0x00080000
#define SNDRV_GF1_HANDLER_VOICE 0x00100000
#define SNDRV_GF1_HANDLER_DMA_WRITE 0x00200000
#define SNDRV_GF1_HANDLER_DMA_READ 0x00400000
#define SNDRV_GF1_HANDLER_ALL (0xffff0000&~SNDRV_GF1_HANDLER_VOICE)
/* constants for DMA flags */
#define SNDRV_GF1_DMA_TRIGGER 1
/* --- */
struct snd_gus_card;
/* GF1 specific structure */
struct snd_gf1_bank_info {
unsigned int address;
unsigned int size;
};
struct snd_gf1_mem_block {
unsigned short flags; /* flags - SNDRV_GF1_MEM_BLOCK_XXXX */
unsigned short owner; /* owner - SNDRV_GF1_MEM_OWNER_XXXX */
unsigned int share; /* share count */
unsigned int share_id[4]; /* share ID */
unsigned int ptr;
unsigned int size;
char *name;
struct snd_gf1_mem_block *next;
struct snd_gf1_mem_block *prev;
};
struct snd_gf1_mem {
struct snd_gf1_bank_info banks_8[4];
struct snd_gf1_bank_info banks_16[4];
struct snd_gf1_mem_block *first;
struct snd_gf1_mem_block *last;
struct mutex memory_mutex;
};
struct snd_gf1_dma_block {
void *buffer; /* buffer in computer's RAM */
unsigned long buf_addr; /* buffer address */
unsigned int addr; /* address in onboard memory */
unsigned int count; /* count in bytes */
unsigned int cmd; /* DMA command (format) */
void (*ack)(struct snd_gus_card * gus, void *private_data);
void *private_data;
struct snd_gf1_dma_block *next;
};
struct snd_gus_port {
struct snd_midi_channel_set * chset;
struct snd_gus_card * gus;
int mode; /* operation mode */
int client; /* sequencer client number */
int port; /* sequencer port number */
unsigned int midi_has_voices: 1;
};
struct snd_gus_voice;
#define SNDRV_GF1_VOICE_TYPE_PCM 0
#define SNDRV_GF1_VOICE_TYPE_SYNTH 1
#define SNDRV_GF1_VOICE_TYPE_MIDI 2
#define SNDRV_GF1_VFLG_RUNNING (1<<0)
#define SNDRV_GF1_VFLG_EFFECT_TIMER1 (1<<1)
#define SNDRV_GF1_VFLG_PAN (1<<2)
enum snd_gus_volume_state {
VENV_BEFORE,
VENV_ATTACK,
VENV_SUSTAIN,
VENV_RELEASE,
VENV_DONE,
VENV_VOLUME
};
struct snd_gus_voice {
int number;
unsigned int use: 1,
pcm: 1,
synth:1,
midi: 1;
unsigned int flags;
unsigned char client;
unsigned char port;
unsigned char index;
unsigned char pad;
#ifdef CONFIG_SND_DEBUG
unsigned int interrupt_stat_wave;
unsigned int interrupt_stat_volume;
#endif
void (*handler_wave) (struct snd_gus_card * gus, struct snd_gus_voice * voice);
void (*handler_volume) (struct snd_gus_card * gus, struct snd_gus_voice * voice);
void (*handler_effect) (struct snd_gus_card * gus, struct snd_gus_voice * voice);
void (*volume_change) (struct snd_gus_card * gus);
struct snd_gus_sample_ops *sample_ops;
/* running status / registers */
unsigned short fc_register;
unsigned short fc_lfo;
unsigned short gf1_volume;
unsigned char control;
unsigned char mode;
unsigned char gf1_pan;
unsigned char effect_accumulator;
unsigned char volume_control;
unsigned char venv_value_next;
enum snd_gus_volume_state venv_state;
enum snd_gus_volume_state venv_state_prev;
unsigned short vlo;
unsigned short vro;
unsigned short gf1_effect_volume;
/* --- */
void *private_data;
void (*private_free)(struct snd_gus_voice *voice);
};
struct snd_gf1 {
unsigned int enh_mode:1, /* enhanced mode (GFA1) */
hw_lfo:1, /* use hardware LFO */
sw_lfo:1, /* use software LFO */
effect:1; /* use effect voices */
unsigned long port; /* port of GF1 chip */
struct resource *res_port1;
struct resource *res_port2;
int irq; /* IRQ number */
int dma1; /* DMA1 number */
int dma2; /* DMA2 number */
unsigned int memory; /* GUS's DRAM size in bytes */
unsigned int rom_memory; /* GUS's ROM size in bytes */
unsigned int rom_present; /* bitmask */
unsigned int rom_banks; /* GUS's ROM banks */
struct snd_gf1_mem mem_alloc;
/* registers */
unsigned short reg_page;
unsigned short reg_regsel;
unsigned short reg_data8;
unsigned short reg_data16;
unsigned short reg_irqstat;
unsigned short reg_dram;
unsigned short reg_timerctrl;
unsigned short reg_timerdata;
unsigned char ics_regs[6][2];
/* --------- */
unsigned char active_voices; /* active voices */
unsigned char active_voice; /* selected voice (GF1PAGE register) */
struct snd_gus_voice voices[32]; /* GF1 voices */
unsigned int default_voice_address;
unsigned short playback_freq; /* GF1 playback (mixing) frequency */
unsigned short mode; /* see to SNDRV_GF1_MODE_XXXX */
unsigned char volume_ramp;
unsigned char smooth_pan;
unsigned char full_range_pan;
unsigned char pad0;
unsigned char *lfos;
/* interrupt handlers */
void (*interrupt_handler_midi_out) (struct snd_gus_card * gus);
void (*interrupt_handler_midi_in) (struct snd_gus_card * gus);
void (*interrupt_handler_timer1) (struct snd_gus_card * gus);
void (*interrupt_handler_timer2) (struct snd_gus_card * gus);
void (*interrupt_handler_dma_write) (struct snd_gus_card * gus);
void (*interrupt_handler_dma_read) (struct snd_gus_card * gus);
#ifdef CONFIG_SND_DEBUG
unsigned int interrupt_stat_midi_out;
unsigned int interrupt_stat_midi_in;
unsigned int interrupt_stat_timer1;
unsigned int interrupt_stat_timer2;
unsigned int interrupt_stat_dma_write;
unsigned int interrupt_stat_dma_read;
unsigned int interrupt_stat_voice_lost;
#endif
/* synthesizer */
int seq_client;
struct snd_gus_port seq_ports[4];
/* timer */
unsigned short timer_enabled;
struct snd_timer *timer1;
struct snd_timer *timer2;
/* midi */
unsigned short uart_cmd;
unsigned int uart_framing;
unsigned int uart_overrun;
/* dma operations */
unsigned int dma_flags;
unsigned int dma_shared;
struct snd_gf1_dma_block *dma_data_pcm;
struct snd_gf1_dma_block *dma_data_pcm_last;
struct snd_gf1_dma_block *dma_data_synth;
struct snd_gf1_dma_block *dma_data_synth_last;
void (*dma_ack)(struct snd_gus_card * gus, void *private_data);
void *dma_private_data;
/* pcm */
int pcm_channels;
int pcm_alloc_voices;
unsigned short pcm_volume_level_left;
unsigned short pcm_volume_level_right;
unsigned short pcm_volume_level_left1;
unsigned short pcm_volume_level_right1;
unsigned char pcm_rcntrl_reg;
unsigned char pad_end;
};
/* main structure for GUS card */
struct snd_gus_card {
struct snd_card *card;
unsigned int
initialized: 1, /* resources were initialized */
equal_irq:1, /* GF1 and CODEC shares IRQ (GUS MAX only) */
equal_dma:1, /* if dma channels are equal (not valid for daughter board) */
ics_flag:1, /* have we ICS mixer chip */
ics_flipped:1, /* ICS mixer have flipped some channels? */
codec_flag:1, /* have we CODEC chip? */
max_flag:1, /* have we GUS MAX card? */
max_ctrl_flag:1, /* have we original GUS MAX card? */
daughter_flag:1, /* have we daughter board? */
interwave:1, /* hey - we have InterWave card */
ess_flag:1, /* ESS chip found... GUS Extreme */
ace_flag:1, /* GUS ACE detected */
uart_enable:1; /* enable MIDI UART */
unsigned short revision; /* revision of chip */
unsigned short max_cntrl_val; /* GUS MAX control value */
unsigned short mix_cntrl_reg; /* mixer control register */
unsigned short joystick_dac; /* joystick DAC level */
int timer_dev; /* timer device */
struct snd_gf1 gf1; /* gf1 specific variables */
struct snd_pcm *pcm;
struct snd_pcm_substream *pcm_cap_substream;
unsigned int c_dma_size;
unsigned int c_period_size;
unsigned int c_pos;
struct snd_rawmidi *midi_uart;
struct snd_rawmidi_substream *midi_substream_output;
struct snd_rawmidi_substream *midi_substream_input;
spinlock_t reg_lock;
spinlock_t voice_alloc;
spinlock_t active_voice_lock;
spinlock_t event_lock;
spinlock_t dma_lock;
spinlock_t pcm_volume_level_lock;
spinlock_t uart_cmd_lock;
struct mutex dma_mutex;
struct mutex register_mutex;
};
/* I/O functions for GF1/InterWave chip - gus_io.c */
static inline void snd_gf1_select_voice(struct snd_gus_card * gus, int voice)
{
unsigned long flags;
spin_lock_irqsave(&gus->active_voice_lock, flags);
if (voice != gus->gf1.active_voice) {
gus->gf1.active_voice = voice;
outb(voice, GUSP(gus, GF1PAGE));
}
spin_unlock_irqrestore(&gus->active_voice_lock, flags);
}
static inline void snd_gf1_uart_cmd(struct snd_gus_card * gus, unsigned char b)
{
outb(gus->gf1.uart_cmd = b, GUSP(gus, MIDICTRL));
}
static inline unsigned char snd_gf1_uart_stat(struct snd_gus_card * gus)
{
return inb(GUSP(gus, MIDISTAT));
}
static inline void snd_gf1_uart_put(struct snd_gus_card * gus, unsigned char b)
{
outb(b, GUSP(gus, MIDIDATA));
}
static inline unsigned char snd_gf1_uart_get(struct snd_gus_card * gus)
{
return inb(GUSP(gus, MIDIDATA));
}
extern void snd_gf1_delay(struct snd_gus_card * gus);
extern void snd_gf1_ctrl_stop(struct snd_gus_card * gus, unsigned char reg);
extern void snd_gf1_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data);
extern unsigned char snd_gf1_look8(struct snd_gus_card * gus, unsigned char reg);
static inline unsigned char snd_gf1_read8(struct snd_gus_card * gus, unsigned char reg)
{
return snd_gf1_look8(gus, reg | 0x80);
}
extern void snd_gf1_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data);
extern unsigned short snd_gf1_look16(struct snd_gus_card * gus, unsigned char reg);
static inline unsigned short snd_gf1_read16(struct snd_gus_card * gus, unsigned char reg)
{
return snd_gf1_look16(gus, reg | 0x80);
}
extern void snd_gf1_adlib_write(struct snd_gus_card * gus, unsigned char reg, unsigned char data);
extern void snd_gf1_dram_addr(struct snd_gus_card * gus, unsigned int addr);
extern void snd_gf1_poke(struct snd_gus_card * gus, unsigned int addr, unsigned char data);
extern unsigned char snd_gf1_peek(struct snd_gus_card * gus, unsigned int addr);
extern void snd_gf1_write_addr(struct snd_gus_card * gus, unsigned char reg, unsigned int addr, short w_16bit);
extern unsigned int snd_gf1_read_addr(struct snd_gus_card * gus, unsigned char reg, short w_16bit);
extern void snd_gf1_i_ctrl_stop(struct snd_gus_card * gus, unsigned char reg);
extern void snd_gf1_i_write8(struct snd_gus_card * gus, unsigned char reg, unsigned char data);
extern unsigned char snd_gf1_i_look8(struct snd_gus_card * gus, unsigned char reg);
extern void snd_gf1_i_write16(struct snd_gus_card * gus, unsigned char reg, unsigned int data);
static inline unsigned char snd_gf1_i_read8(struct snd_gus_card * gus, unsigned char reg)
{
return snd_gf1_i_look8(gus, reg | 0x80);
}
extern unsigned short snd_gf1_i_look16(struct snd_gus_card * gus, unsigned char reg);
static inline unsigned short snd_gf1_i_read16(struct snd_gus_card * gus, unsigned char reg)
{
return snd_gf1_i_look16(gus, reg | 0x80);
}
extern void snd_gf1_select_active_voices(struct snd_gus_card * gus);
/* gus_lfo.c */
struct _SND_IW_LFO_PROGRAM {
unsigned short freq_and_control;
unsigned char depth_final;
unsigned char depth_inc;
unsigned short twave;
unsigned short depth;
};
#if 0
extern irqreturn_t snd_gf1_lfo_effect_interrupt(struct snd_gus_card * gus, snd_gf1_voice_t * voice);
#endif
extern void snd_gf1_lfo_init(struct snd_gus_card * gus);
extern void snd_gf1_lfo_done(struct snd_gus_card * gus);
extern void snd_gf1_lfo_program(struct snd_gus_card * gus, int voice, int lfo_type, struct _SND_IW_LFO_PROGRAM *program);
extern void snd_gf1_lfo_enable(struct snd_gus_card * gus, int voice, int lfo_type);
extern void snd_gf1_lfo_disable(struct snd_gus_card * gus, int voice, int lfo_type);
extern void snd_gf1_lfo_change_freq(struct snd_gus_card * gus, int voice, int lfo_type, int freq);
extern void snd_gf1_lfo_change_depth(struct snd_gus_card * gus, int voice, int lfo_type, int depth);
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);
extern void snd_gf1_lfo_shutdown(struct snd_gus_card * gus, int voice, int lfo_type);
#if 0
extern void snd_gf1_lfo_command(struct snd_gus_card * gus, int voice, unsigned char *command);
#endif
/* gus_mem.c */
void snd_gf1_mem_lock(struct snd_gf1_mem * alloc, int xup);
int snd_gf1_mem_xfree(struct snd_gf1_mem * alloc, struct snd_gf1_mem_block * block);
struct snd_gf1_mem_block *snd_gf1_mem_alloc(struct snd_gf1_mem * alloc, int owner,
char *name, int size, int w_16,
int align, unsigned int *share_id);
int snd_gf1_mem_free(struct snd_gf1_mem * alloc, unsigned int address);
int snd_gf1_mem_free_owner(struct snd_gf1_mem * alloc, int owner);
int snd_gf1_mem_init(struct snd_gus_card * gus);
int snd_gf1_mem_done(struct snd_gus_card * gus);
/* gus_mem_proc.c */
int snd_gf1_mem_proc_init(struct snd_gus_card * gus);
/* gus_dma.c */
int snd_gf1_dma_init(struct snd_gus_card * gus);
int snd_gf1_dma_done(struct snd_gus_card * gus);
int snd_gf1_dma_transfer_block(struct snd_gus_card * gus,
struct snd_gf1_dma_block * block,
int atomic,
int synth);
/* gus_volume.c */
unsigned short snd_gf1_lvol_to_gvol_raw(unsigned int vol);
unsigned short snd_gf1_translate_freq(struct snd_gus_card * gus, unsigned int freq2);
/* gus_reset.c */
void snd_gf1_set_default_handlers(struct snd_gus_card * gus, unsigned int what);
void snd_gf1_smart_stop_voice(struct snd_gus_card * gus, unsigned short voice);
void snd_gf1_stop_voice(struct snd_gus_card * gus, unsigned short voice);
void snd_gf1_stop_voices(struct snd_gus_card * gus, unsigned short v_min, unsigned short v_max);
struct snd_gus_voice *snd_gf1_alloc_voice(struct snd_gus_card * gus, int type, int client, int port);
void snd_gf1_free_voice(struct snd_gus_card * gus, struct snd_gus_voice *voice);
int snd_gf1_start(struct snd_gus_card * gus);
int snd_gf1_stop(struct snd_gus_card * gus);
/* gus_mixer.c */
int snd_gf1_new_mixer(struct snd_gus_card * gus);
/* gus_pcm.c */
int snd_gf1_pcm_new(struct snd_gus_card *gus, int pcm_dev, int control_index);
#ifdef CONFIG_SND_DEBUG
extern void snd_gf1_print_voice_registers(struct snd_gus_card * gus);
#endif
/* gus.c */
int snd_gus_use_inc(struct snd_gus_card * gus);
void snd_gus_use_dec(struct snd_gus_card * gus);
int snd_gus_create(struct snd_card *card,
unsigned long port,
int irq, int dma1, int dma2,
int timer_dev,
int voices,
int pcm_channels,
int effect,
struct snd_gus_card ** rgus);
int snd_gus_initialize(struct snd_gus_card * gus);
/* gus_irq.c */
irqreturn_t snd_gus_interrupt(int irq, void *dev_id);
#ifdef CONFIG_SND_DEBUG
void snd_gus_irq_profile_init(struct snd_gus_card *gus);
#endif
/* gus_uart.c */
int snd_gf1_rawmidi_new(struct snd_gus_card *gus, int device);
/* gus_dram.c */
int snd_gus_dram_write(struct snd_gus_card *gus, char __user *ptr,
unsigned int addr, unsigned int size);
int snd_gus_dram_read(struct snd_gus_card *gus, char __user *ptr,
unsigned int addr, unsigned int size, int rom);
#endif /* __SOUND_GUS_H */
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