diff options
Diffstat (limited to '')
| -rw-r--r-- | include/sound/gus.h | 620 |
1 files changed, 620 insertions, 0 deletions
diff --git a/include/sound/gus.h b/include/sound/gus.h new file mode 100644 index 0000000000..cd8da68cab --- /dev/null +++ b/include/sound/gus.h @@ -0,0 +1,620 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#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> + */ + +#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); + +/* gus_timer.c */ +void snd_gf1_timers_init(struct snd_gus_card *gus); +void snd_gf1_timers_done(struct snd_gus_card *gus); + +#endif /* __SOUND_GUS_H */ |