| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 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@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 */ |