1 #ifndef __SOUND_EMU8000_H 2 #define __SOUND_EMU8000_H 3 /* 4 * Defines for the emu8000 (AWE32/64) 5 * 6 * Copyright (C) 1999 Steve Ratcliffe 7 * Copyright (C) 1999-2000 Takashi Iwai <tiwai (at) suse.de> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 */ 23 24 #include "emux_synth.h" 25 #include "seq_kernel.h" 26 27 /* 28 * Hardware parameters. 29 */ 30 #define EMU8000_MAX_DRAM (28 * 1024 * 1024) /* Max on-board mem is 28Mb ???*/ 31 #define EMU8000_DRAM_OFFSET 0x200000 /* Beginning of on board ram */ 32 #define EMU8000_CHANNELS 32 /* Number of hardware channels */ 33 #define EMU8000_DRAM_VOICES 30 /* number of normal voices */ 34 35 /* Flags to set a dma channel to read or write */ 36 #define EMU8000_RAM_READ 0 37 #define EMU8000_RAM_WRITE 1 38 #define EMU8000_RAM_CLOSE 2 39 #define EMU8000_RAM_MODE_MASK 0x03 40 #define EMU8000_RAM_RIGHT 0x10 /* use 'right' DMA channel */ 41 42 enum { 43 EMU8000_CONTROL_BASS = 0, 44 EMU8000_CONTROL_TREBLE, 45 EMU8000_CONTROL_CHORUS_MODE, 46 EMU8000_CONTROL_REVERB_MODE, 47 EMU8000_CONTROL_FM_CHORUS_DEPTH, 48 EMU8000_CONTROL_FM_REVERB_DEPTH, 49 EMU8000_NUM_CONTROLS, 50 }; 51 52 /* 53 * Structure to hold all state information for the emu8000 driver. 54 * 55 * Note 1: The chip supports 32 channels in hardware this is max_channels 56 * some of the channels may be used for other things so max_channels is 57 * the number in use for wave voices. 58 */ 59 struct snd_emu8000 { 60 61 struct snd_emux *emu; 62 63 int index; /* sequencer client index */ 64 int seq_ports; /* number of sequencer ports */ 65 int fm_chorus_depth; /* FM OPL3 chorus depth */ 66 int fm_reverb_depth; /* FM OPL3 reverb depth */ 67 68 int mem_size; /* memory size */ 69 unsigned long port1; /* Port usually base+0 */ 70 unsigned long port2; /* Port usually at base+0x400 */ 71 unsigned long port3; /* Port usually at base+0x800 */ 72 struct resource *res_port1; 73 struct resource *res_port2; 74 struct resource *res_port3; 75 unsigned short last_reg;/* Last register command */ 76 spinlock_t reg_lock; 77 78 int dram_checked; 79 80 struct snd_card *card; /* The card that this belongs to */ 81 82 int chorus_mode; 83 int reverb_mode; 84 int bass_level; 85 int treble_level; 86 87 struct snd_util_memhdr *memhdr; 88 89 spinlock_t control_lock; 90 struct snd_kcontrol *controls[EMU8000_NUM_CONTROLS]; 91 92 struct snd_pcm *pcm; /* pcm on emu8000 wavetable */ 93 94 }; 95 96 /* sequencer device id */ 97 #define SNDRV_SEQ_DEV_ID_EMU8000 "emu8000-synth" 98 99 100 /* exported functions */ 101 int snd_emu8000_new(struct snd_card *card, int device, long port, int seq_ports, 102 struct snd_seq_device **ret); 103 void snd_emu8000_poke(struct snd_emu8000 *emu, unsigned int port, unsigned int reg, 104 unsigned int val); 105 unsigned short snd_emu8000_peek(struct snd_emu8000 *emu, unsigned int port, 106 unsigned int reg); 107 void snd_emu8000_poke_dw(struct snd_emu8000 *emu, unsigned int port, unsigned int reg, 108 unsigned int val); 109 unsigned int snd_emu8000_peek_dw(struct snd_emu8000 *emu, unsigned int port, 110 unsigned int reg); 111 void snd_emu8000_dma_chan(struct snd_emu8000 *emu, int ch, int mode); 112 113 void snd_emu8000_init_fm(struct snd_emu8000 *emu); 114 115 void snd_emu8000_update_chorus_mode(struct snd_emu8000 *emu); 116 void snd_emu8000_update_reverb_mode(struct snd_emu8000 *emu); 117 void snd_emu8000_update_equalizer(struct snd_emu8000 *emu); 118 int snd_emu8000_load_chorus_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len); 119 int snd_emu8000_load_reverb_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len); 120 121 #endif /* __SOUND_EMU8000_H */ 122
