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1a59d1b8 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
1da177e4 LT |
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> | |
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9 | */ |
10 | ||
a1ce3928 DH |
11 | #include <sound/emux_synth.h> |
12 | #include <sound/seq_kernel.h> | |
1da177e4 LT |
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 | */ | |
029d64b0 | 46 | struct snd_emu8000 { |
1da177e4 | 47 | |
029d64b0 | 48 | struct snd_emux *emu; |
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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 | struct resource *res_port1; | |
60 | struct resource *res_port2; | |
61 | struct resource *res_port3; | |
62 | unsigned short last_reg;/* Last register command */ | |
63 | spinlock_t reg_lock; | |
64 | ||
65 | int dram_checked; | |
66 | ||
029d64b0 | 67 | struct snd_card *card; /* The card that this belongs to */ |
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68 | |
69 | int chorus_mode; | |
70 | int reverb_mode; | |
71 | int bass_level; | |
72 | int treble_level; | |
73 | ||
029d64b0 | 74 | struct snd_util_memhdr *memhdr; |
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75 | |
76 | spinlock_t control_lock; | |
029d64b0 | 77 | struct snd_kcontrol *controls[EMU8000_NUM_CONTROLS]; |
1da177e4 | 78 | |
029d64b0 | 79 | struct snd_pcm *pcm; /* pcm on emu8000 wavetable */ |
1da177e4 | 80 | |
029d64b0 | 81 | }; |
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82 | |
83 | /* sequencer device id */ | |
84 | #define SNDRV_SEQ_DEV_ID_EMU8000 "emu8000-synth" | |
85 | ||
86 | ||
87 | /* exported functions */ | |
029d64b0 TI |
88 | int snd_emu8000_new(struct snd_card *card, int device, long port, int seq_ports, |
89 | struct snd_seq_device **ret); | |
90 | void snd_emu8000_poke(struct snd_emu8000 *emu, unsigned int port, unsigned int reg, | |
1da177e4 | 91 | unsigned int val); |
029d64b0 | 92 | unsigned short snd_emu8000_peek(struct snd_emu8000 *emu, unsigned int port, |
1da177e4 | 93 | unsigned int reg); |
029d64b0 | 94 | void snd_emu8000_poke_dw(struct snd_emu8000 *emu, unsigned int port, unsigned int reg, |
1da177e4 | 95 | unsigned int val); |
029d64b0 | 96 | unsigned int snd_emu8000_peek_dw(struct snd_emu8000 *emu, unsigned int port, |
1da177e4 | 97 | unsigned int reg); |
029d64b0 | 98 | void snd_emu8000_dma_chan(struct snd_emu8000 *emu, int ch, int mode); |
1da177e4 | 99 | |
029d64b0 | 100 | void snd_emu8000_init_fm(struct snd_emu8000 *emu); |
1da177e4 | 101 | |
029d64b0 TI |
102 | void snd_emu8000_update_chorus_mode(struct snd_emu8000 *emu); |
103 | void snd_emu8000_update_reverb_mode(struct snd_emu8000 *emu); | |
104 | void snd_emu8000_update_equalizer(struct snd_emu8000 *emu); | |
105 | int snd_emu8000_load_chorus_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len); | |
106 | int snd_emu8000_load_reverb_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len); | |
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107 | |
108 | #endif /* __SOUND_EMU8000_H */ |