1*1a59d1b8SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 21da177e4SLinus Torvalds #ifndef __SOUND_EMU8000_H 31da177e4SLinus Torvalds #define __SOUND_EMU8000_H 41da177e4SLinus Torvalds /* 51da177e4SLinus Torvalds * Defines for the emu8000 (AWE32/64) 61da177e4SLinus Torvalds * 71da177e4SLinus Torvalds * Copyright (C) 1999 Steve Ratcliffe 81da177e4SLinus Torvalds * Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de> 91da177e4SLinus Torvalds */ 101da177e4SLinus Torvalds 11a1ce3928SDavid Howells #include <sound/emux_synth.h> 12a1ce3928SDavid Howells #include <sound/seq_kernel.h> 131da177e4SLinus Torvalds 141da177e4SLinus Torvalds /* 151da177e4SLinus Torvalds * Hardware parameters. 161da177e4SLinus Torvalds */ 171da177e4SLinus Torvalds #define EMU8000_MAX_DRAM (28 * 1024 * 1024) /* Max on-board mem is 28Mb ???*/ 181da177e4SLinus Torvalds #define EMU8000_DRAM_OFFSET 0x200000 /* Beginning of on board ram */ 191da177e4SLinus Torvalds #define EMU8000_CHANNELS 32 /* Number of hardware channels */ 201da177e4SLinus Torvalds #define EMU8000_DRAM_VOICES 30 /* number of normal voices */ 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds /* Flags to set a dma channel to read or write */ 231da177e4SLinus Torvalds #define EMU8000_RAM_READ 0 241da177e4SLinus Torvalds #define EMU8000_RAM_WRITE 1 251da177e4SLinus Torvalds #define EMU8000_RAM_CLOSE 2 261da177e4SLinus Torvalds #define EMU8000_RAM_MODE_MASK 0x03 271da177e4SLinus Torvalds #define EMU8000_RAM_RIGHT 0x10 /* use 'right' DMA channel */ 281da177e4SLinus Torvalds 291da177e4SLinus Torvalds enum { 301da177e4SLinus Torvalds EMU8000_CONTROL_BASS = 0, 311da177e4SLinus Torvalds EMU8000_CONTROL_TREBLE, 321da177e4SLinus Torvalds EMU8000_CONTROL_CHORUS_MODE, 331da177e4SLinus Torvalds EMU8000_CONTROL_REVERB_MODE, 341da177e4SLinus Torvalds EMU8000_CONTROL_FM_CHORUS_DEPTH, 351da177e4SLinus Torvalds EMU8000_CONTROL_FM_REVERB_DEPTH, 361da177e4SLinus Torvalds EMU8000_NUM_CONTROLS, 371da177e4SLinus Torvalds }; 381da177e4SLinus Torvalds 391da177e4SLinus Torvalds /* 401da177e4SLinus Torvalds * Structure to hold all state information for the emu8000 driver. 411da177e4SLinus Torvalds * 421da177e4SLinus Torvalds * Note 1: The chip supports 32 channels in hardware this is max_channels 431da177e4SLinus Torvalds * some of the channels may be used for other things so max_channels is 441da177e4SLinus Torvalds * the number in use for wave voices. 451da177e4SLinus Torvalds */ 46029d64b0STakashi Iwai struct snd_emu8000 { 471da177e4SLinus Torvalds 48029d64b0STakashi Iwai struct snd_emux *emu; 491da177e4SLinus Torvalds 501da177e4SLinus Torvalds int index; /* sequencer client index */ 511da177e4SLinus Torvalds int seq_ports; /* number of sequencer ports */ 521da177e4SLinus Torvalds int fm_chorus_depth; /* FM OPL3 chorus depth */ 531da177e4SLinus Torvalds int fm_reverb_depth; /* FM OPL3 reverb depth */ 541da177e4SLinus Torvalds 551da177e4SLinus Torvalds int mem_size; /* memory size */ 561da177e4SLinus Torvalds unsigned long port1; /* Port usually base+0 */ 571da177e4SLinus Torvalds unsigned long port2; /* Port usually at base+0x400 */ 581da177e4SLinus Torvalds unsigned long port3; /* Port usually at base+0x800 */ 591da177e4SLinus Torvalds unsigned short last_reg;/* Last register command */ 601da177e4SLinus Torvalds spinlock_t reg_lock; 611da177e4SLinus Torvalds 621da177e4SLinus Torvalds int dram_checked; 631da177e4SLinus Torvalds 64029d64b0STakashi Iwai struct snd_card *card; /* The card that this belongs to */ 651da177e4SLinus Torvalds 661da177e4SLinus Torvalds int chorus_mode; 671da177e4SLinus Torvalds int reverb_mode; 681da177e4SLinus Torvalds int bass_level; 691da177e4SLinus Torvalds int treble_level; 701da177e4SLinus Torvalds 71029d64b0STakashi Iwai struct snd_util_memhdr *memhdr; 721da177e4SLinus Torvalds 731da177e4SLinus Torvalds spinlock_t control_lock; 74029d64b0STakashi Iwai struct snd_kcontrol *controls[EMU8000_NUM_CONTROLS]; 751da177e4SLinus Torvalds 76029d64b0STakashi Iwai struct snd_pcm *pcm; /* pcm on emu8000 wavetable */ 771da177e4SLinus Torvalds 78029d64b0STakashi Iwai }; 791da177e4SLinus Torvalds 801da177e4SLinus Torvalds /* sequencer device id */ 811da177e4SLinus Torvalds #define SNDRV_SEQ_DEV_ID_EMU8000 "emu8000-synth" 821da177e4SLinus Torvalds 831da177e4SLinus Torvalds 841da177e4SLinus Torvalds /* exported functions */ 85029d64b0STakashi Iwai int snd_emu8000_new(struct snd_card *card, int device, long port, int seq_ports, 86029d64b0STakashi Iwai struct snd_seq_device **ret); 87029d64b0STakashi Iwai void snd_emu8000_poke(struct snd_emu8000 *emu, unsigned int port, unsigned int reg, 881da177e4SLinus Torvalds unsigned int val); 89029d64b0STakashi Iwai unsigned short snd_emu8000_peek(struct snd_emu8000 *emu, unsigned int port, 901da177e4SLinus Torvalds unsigned int reg); 91029d64b0STakashi Iwai void snd_emu8000_poke_dw(struct snd_emu8000 *emu, unsigned int port, unsigned int reg, 921da177e4SLinus Torvalds unsigned int val); 93029d64b0STakashi Iwai unsigned int snd_emu8000_peek_dw(struct snd_emu8000 *emu, unsigned int port, 941da177e4SLinus Torvalds unsigned int reg); 95029d64b0STakashi Iwai void snd_emu8000_dma_chan(struct snd_emu8000 *emu, int ch, int mode); 961da177e4SLinus Torvalds 97029d64b0STakashi Iwai void snd_emu8000_init_fm(struct snd_emu8000 *emu); 981da177e4SLinus Torvalds 99029d64b0STakashi Iwai void snd_emu8000_update_chorus_mode(struct snd_emu8000 *emu); 100029d64b0STakashi Iwai void snd_emu8000_update_reverb_mode(struct snd_emu8000 *emu); 101029d64b0STakashi Iwai void snd_emu8000_update_equalizer(struct snd_emu8000 *emu); 102029d64b0STakashi Iwai int snd_emu8000_load_chorus_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len); 103029d64b0STakashi Iwai int snd_emu8000_load_reverb_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len); 1041da177e4SLinus Torvalds 1051da177e4SLinus Torvalds #endif /* __SOUND_EMU8000_H */ 106