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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 */ |
122 |
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