1/*
2 **********************************************************************
3 *     sblive_voice.h -- EMU Voice Resource Manager header file
4 *     Copyright 1999, 2000 Creative Labs, Inc.
5 *
6 **********************************************************************
7 *
8 *     Date                 Author          Summary of changes
9 *     ----                 ------          ------------------
10 *     October 20, 1999     Bertrand Lee    base code release
11 *
12 **********************************************************************
13 *
14 *     This program is free software; you can redistribute it and/or
15 *     modify it under the terms of the GNU General Public License as
16 *     published by the Free Software Foundation; either version 2 of
17 *     the License, or (at your option) any later version.
18 *
19 *     This program is distributed in the hope that it will be useful,
20 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
21 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22 *     GNU General Public License for more details.
23 *
24 *     You should have received a copy of the GNU General Public
25 *     License along with this program; if not, write to the Free
26 *     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
27 *     USA.
28 *
29 **********************************************************************
30 */
31
32#ifndef _VOICEMGR_H
33#define _VOICEMGR_H
34
35#include "hwaccess.h"
36
37/* struct emu_voice.usage flags */
38#define VOICE_USAGE_FREE		0x01
39#define VOICE_USAGE_MIDI		0x02
40#define VOICE_USAGE_PLAYBACK		0x04
41
42/* struct emu_voice.flags flags */
43#define VOICE_FLAGS_STEREO		0x02
44#define VOICE_FLAGS_16BIT		0x04
45
46struct voice_param
47{
48	/* FX bus amount send */
49
50	u32 send_routing;
51	// audigy only:
52	u32 send_routing2;
53
54	u32 send_dcba;
55	// audigy only:
56	u32 send_hgfe;
57
58
59	u32 initial_fc;
60	u32 fc_target;
61
62	u32 initial_attn;
63	u32 volume_target;
64
65	u32 byampl_env_sustain;
66	u32 byampl_env_decay;
67};
68
69struct voice_mem {
70	int emupageindex;
71	void *addr[BUFMAXPAGES];
72	dma_addr_t dma_handle[BUFMAXPAGES];
73	u32 pages;
74};
75
76struct emu_voice
77{
78	struct emu10k1_card *card;
79	u8 usage;		/* Free, MIDI, playback */
80	u8 num;			/* Voice ID */
81	u8 flags;		/* Stereo/mono, 8/16 bit */
82
83	u32 startloop;
84	u32 endloop;
85	u32 start;
86
87	u32 initial_pitch;
88	u32 pitch_target;
89
90	struct voice_param params[2];
91
92	struct voice_mem mem;
93};
94
95int emu10k1_voice_alloc_buffer(struct emu10k1_card *, struct voice_mem *, u32);
96void emu10k1_voice_free_buffer(struct emu10k1_card *, struct voice_mem *);
97int emu10k1_voice_alloc(struct emu10k1_card *, struct emu_voice *);
98void emu10k1_voice_free(struct emu_voice *);
99void emu10k1_voice_playback_setup(struct emu_voice *);
100void emu10k1_voices_start(struct emu_voice *, unsigned int, int);
101void emu10k1_voices_stop(struct emu_voice *, int);
102
103#endif /* _VOICEMGR_H */
104