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#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 "pcm.h"

#include "rawmidi.h"

#include "timer.h"

#include "seq_midi_emul.h"

#include "seq_device.h"

#include "ainstr_iw.h"

#include "ainstr_gf1.h"

#include "ainstr_simple.h"

#include <asm/io.h>

#define SNDRV_SEQ_DEV_ID_GUS                    "gus-synth"

/* 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;

struct snd_gus_sample_ops {

        void (*sample_start)(struct snd_gus_card *gus, struct snd_gus_voice *voice, snd_seq_position_t position);

        void (*sample_stop)(struct snd_gus_card *gus, struct snd_gus_voice *voice, int mode);

        void (*sample_freq)(struct snd_gus_card *gus, struct snd_gus_voice *voice, snd_seq_frequency_t freq);

        void (*sample_volume)(struct snd_gus_card *gus, struct snd_gus_voice *voice, struct snd_seq_ev_volume *volume);

        void (*sample_loop)(struct snd_gus_card *card, struct snd_gus_voice *voice, struct snd_seq_ev_loop *loop);

        void (*sample_pos)(struct snd_gus_card *card, struct snd_gus_voice *voice, snd_seq_position_t position);

        void (*sample_private1)(struct snd_gus_card *card, struct snd_gus_voice *voice, unsigned char *data);

};

#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;

        struct snd_seq_instr instr;

        /* running status / registers */

        struct snd_seq_ev_volume sample_volume;

        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];

        struct snd_seq_kinstr_list *ilist;

        struct snd_iwffff_ops iwffff_ops;

        struct snd_gf1_ops gf1_ops;

        struct snd_simple_ops simple_ops;

        /* 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;

        struct snd_seq_device *seq_dev;

        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, struct snd_pcm ** rpcm);

#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, struct snd_rawmidi **rrawmidi);

#if 0

extern void snd_engine_instrument_register(unsigned short mode,

                struct _SND_INSTRUMENT_VOICE_COMMANDS *voice_cmds,

                struct _SND_INSTRUMENT_NOTE_COMMANDS *note_cmds,

                struct _SND_INSTRUMENT_CHANNEL_COMMANDS *channel_cmds);

extern int snd_engine_instrument_register_ask(unsigned short mode);

#endif

/* 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);

#if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE)

/* gus_sample.c */

void snd_gus_sample_event(struct snd_seq_event *ev, struct snd_gus_port *p);