1 #ifndef __SOUND_EMU8000_H
2 #define __SOUND_EMU8000_H
4 * Defines for the emu8000 (AWE32/64)
6 * Copyright (C) 1999 Steve Ratcliffe
7 * Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de>
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.
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.
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
24 #include "emux_synth.h"
25 #include "seq_kernel.h"
28 * Hardware parameters.
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 */
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 */
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
,
53 * Structure to hold all state information for the emu8000 driver.
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.
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 */
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 */
80 struct snd_card
*card
; /* The card that this belongs to */
87 struct snd_util_memhdr
*memhdr
;
89 spinlock_t control_lock
;
90 struct snd_kcontrol
*controls
[EMU8000_NUM_CONTROLS
];
92 struct snd_pcm
*pcm
; /* pcm on emu8000 wavetable */
96 /* sequencer device id */
97 #define SNDRV_SEQ_DEV_ID_EMU8000 "emu8000-synth"
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
,
105 unsigned short snd_emu8000_peek(struct snd_emu8000
*emu
, unsigned int port
,
107 void snd_emu8000_poke_dw(struct snd_emu8000
*emu
, unsigned int port
, unsigned int reg
,
109 unsigned int snd_emu8000_peek_dw(struct snd_emu8000
*emu
, unsigned int port
,
111 void snd_emu8000_dma_chan(struct snd_emu8000
*emu
, int ch
, int mode
);
113 void snd_emu8000_init_fm(struct snd_emu8000
*emu
);
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
);
121 #endif /* __SOUND_EMU8000_H */