Warning: This file is not a C or C++ file. It does not have highlighting.
1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
---|---|
2 | #ifndef __SOUND_EMU8000_H |
3 | #define __SOUND_EMU8000_H |
4 | /* |
5 | * Defines for the emu8000 (AWE32/64) |
6 | * |
7 | * Copyright (C) 1999 Steve Ratcliffe |
8 | * Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de> |
9 | */ |
10 | |
11 | #include <sound/emux_synth.h> |
12 | #include <sound/seq_kernel.h> |
13 | |
14 | /* |
15 | * Hardware parameters. |
16 | */ |
17 | #define EMU8000_MAX_DRAM (28 * 1024 * 1024) /* Max on-board mem is 28Mb ???*/ |
18 | #define EMU8000_DRAM_OFFSET 0x200000 /* Beginning of on board ram */ |
19 | #define EMU8000_CHANNELS 32 /* Number of hardware channels */ |
20 | #define EMU8000_DRAM_VOICES 30 /* number of normal voices */ |
21 | |
22 | /* Flags to set a dma channel to read or write */ |
23 | #define EMU8000_RAM_READ 0 |
24 | #define EMU8000_RAM_WRITE 1 |
25 | #define EMU8000_RAM_CLOSE 2 |
26 | #define EMU8000_RAM_MODE_MASK 0x03 |
27 | #define EMU8000_RAM_RIGHT 0x10 /* use 'right' DMA channel */ |
28 | |
29 | enum { |
30 | EMU8000_CONTROL_BASS = 0, |
31 | EMU8000_CONTROL_TREBLE, |
32 | EMU8000_CONTROL_CHORUS_MODE, |
33 | EMU8000_CONTROL_REVERB_MODE, |
34 | EMU8000_CONTROL_FM_CHORUS_DEPTH, |
35 | EMU8000_CONTROL_FM_REVERB_DEPTH, |
36 | EMU8000_NUM_CONTROLS, |
37 | }; |
38 | |
39 | /* |
40 | * Structure to hold all state information for the emu8000 driver. |
41 | * |
42 | * Note 1: The chip supports 32 channels in hardware this is max_channels |
43 | * some of the channels may be used for other things so max_channels is |
44 | * the number in use for wave voices. |
45 | */ |
46 | struct snd_emu8000 { |
47 | |
48 | struct snd_emux *emu; |
49 | |
50 | int index; /* sequencer client index */ |
51 | int seq_ports; /* number of sequencer ports */ |
52 | int fm_chorus_depth; /* FM OPL3 chorus depth */ |
53 | int fm_reverb_depth; /* FM OPL3 reverb depth */ |
54 | |
55 | int mem_size; /* memory size */ |
56 | unsigned long port1; /* Port usually base+0 */ |
57 | unsigned long port2; /* Port usually at base+0x400 */ |
58 | unsigned long port3; /* Port usually at base+0x800 */ |
59 | unsigned short last_reg;/* Last register command */ |
60 | spinlock_t reg_lock; |
61 | |
62 | int dram_checked; |
63 | |
64 | struct snd_card *card; /* The card that this belongs to */ |
65 | |
66 | int chorus_mode; |
67 | int reverb_mode; |
68 | int bass_level; |
69 | int treble_level; |
70 | |
71 | struct snd_util_memhdr *memhdr; |
72 | |
73 | spinlock_t control_lock; |
74 | struct snd_kcontrol *controls[EMU8000_NUM_CONTROLS]; |
75 | |
76 | struct snd_pcm *pcm; /* pcm on emu8000 wavetable */ |
77 | |
78 | }; |
79 | |
80 | /* sequencer device id */ |
81 | #define SNDRV_SEQ_DEV_ID_EMU8000 "emu8000-synth" |
82 | |
83 | |
84 | /* exported functions */ |
85 | int snd_emu8000_new(struct snd_card *card, int device, long port, int seq_ports, |
86 | struct snd_seq_device **ret); |
87 | void snd_emu8000_poke(struct snd_emu8000 *emu, unsigned int port, unsigned int reg, |
88 | unsigned int val); |
89 | unsigned short snd_emu8000_peek(struct snd_emu8000 *emu, unsigned int port, |
90 | unsigned int reg); |
91 | void snd_emu8000_poke_dw(struct snd_emu8000 *emu, unsigned int port, unsigned int reg, |
92 | unsigned int val); |
93 | unsigned int snd_emu8000_peek_dw(struct snd_emu8000 *emu, unsigned int port, |
94 | unsigned int reg); |
95 | void snd_emu8000_dma_chan(struct snd_emu8000 *emu, int ch, int mode); |
96 | |
97 | void snd_emu8000_init_fm(struct snd_emu8000 *emu); |
98 | |
99 | void snd_emu8000_update_chorus_mode(struct snd_emu8000 *emu); |
100 | void snd_emu8000_update_reverb_mode(struct snd_emu8000 *emu); |
101 | void snd_emu8000_update_equalizer(struct snd_emu8000 *emu); |
102 | int snd_emu8000_load_chorus_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len); |
103 | int snd_emu8000_load_reverb_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len); |
104 | |
105 | #endif /* __SOUND_EMU8000_H */ |
106 |
Warning: This file is not a C or C++ file. It does not have highlighting.