Edit File: emu8000.h
#ifndef __SOUND_EMU8000_H #define __SOUND_EMU8000_H /* * Defines for the emu8000 (AWE32/64) * * Copyright (C) 1999 Steve Ratcliffe * Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de> * * 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/emux_synth.h> #include <sound/seq_kernel.h> /* * Hardware parameters. */ #define EMU8000_MAX_DRAM (28 * 1024 * 1024) /* Max on-board mem is 28Mb ???*/ #define EMU8000_DRAM_OFFSET 0x200000 /* Beginning of on board ram */ #define EMU8000_CHANNELS 32 /* Number of hardware channels */ #define EMU8000_DRAM_VOICES 30 /* number of normal voices */ /* Flags to set a dma channel to read or write */ #define EMU8000_RAM_READ 0 #define EMU8000_RAM_WRITE 1 #define EMU8000_RAM_CLOSE 2 #define EMU8000_RAM_MODE_MASK 0x03 #define EMU8000_RAM_RIGHT 0x10 /* use 'right' DMA channel */ enum { EMU8000_CONTROL_BASS = 0, EMU8000_CONTROL_TREBLE, EMU8000_CONTROL_CHORUS_MODE, EMU8000_CONTROL_REVERB_MODE, EMU8000_CONTROL_FM_CHORUS_DEPTH, EMU8000_CONTROL_FM_REVERB_DEPTH, EMU8000_NUM_CONTROLS, }; /* * Structure to hold all state information for the emu8000 driver. * * Note 1: The chip supports 32 channels in hardware this is max_channels * some of the channels may be used for other things so max_channels is * the number in use for wave voices. */ struct snd_emu8000 { struct snd_emux *emu; int index; /* sequencer client index */ int seq_ports; /* number of sequencer ports */ int fm_chorus_depth; /* FM OPL3 chorus depth */ int fm_reverb_depth; /* FM OPL3 reverb depth */ int mem_size; /* memory size */ unsigned long port1; /* Port usually base+0 */ unsigned long port2; /* Port usually at base+0x400 */ unsigned long port3; /* Port usually at base+0x800 */ struct resource *res_port1; struct resource *res_port2; struct resource *res_port3; unsigned short last_reg;/* Last register command */ spinlock_t reg_lock; int dram_checked; struct snd_card *card; /* The card that this belongs to */ int chorus_mode; int reverb_mode; int bass_level; int treble_level; struct snd_util_memhdr *memhdr; spinlock_t control_lock; struct snd_kcontrol *controls[EMU8000_NUM_CONTROLS]; struct snd_pcm *pcm; /* pcm on emu8000 wavetable */ }; /* sequencer device id */ #define SNDRV_SEQ_DEV_ID_EMU8000 "emu8000-synth" /* exported functions */ int snd_emu8000_new(struct snd_card *card, int device, long port, int seq_ports, struct snd_seq_device **ret); void snd_emu8000_poke(struct snd_emu8000 *emu, unsigned int port, unsigned int reg, unsigned int val); unsigned short snd_emu8000_peek(struct snd_emu8000 *emu, unsigned int port, unsigned int reg); void snd_emu8000_poke_dw(struct snd_emu8000 *emu, unsigned int port, unsigned int reg, unsigned int val); unsigned int snd_emu8000_peek_dw(struct snd_emu8000 *emu, unsigned int port, unsigned int reg); void snd_emu8000_dma_chan(struct snd_emu8000 *emu, int ch, int mode); void snd_emu8000_init_fm(struct snd_emu8000 *emu); void snd_emu8000_update_chorus_mode(struct snd_emu8000 *emu); void snd_emu8000_update_reverb_mode(struct snd_emu8000 *emu); void snd_emu8000_update_equalizer(struct snd_emu8000 *emu); int snd_emu8000_load_chorus_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len); int snd_emu8000_load_reverb_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len); #endif /* __SOUND_EMU8000_H */