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IRQ: Maintain regs pointer globally rather than passing to IRQ handlers
[mirror_ubuntu-zesty-kernel.git] / sound / oss / emu10k1 / midi.h
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1/*
2 **********************************************************************
3 * midi.h
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 _MIDI_H
33#define _MIDI_H
34
35#define FMODE_MIDI_SHIFT 3
36#define FMODE_MIDI_READ (FMODE_READ << FMODE_MIDI_SHIFT)
37#define FMODE_MIDI_WRITE (FMODE_WRITE << FMODE_MIDI_SHIFT)
38
39#define MIDIIN_STATE_STARTED 0x00000001
40#define MIDIIN_STATE_STOPPED 0x00000002
41
42#define MIDIIN_BUFLEN 1024
43
44struct emu10k1_mididevice
45{
46 struct emu10k1_card *card;
47 u32 mistate;
48 wait_queue_head_t oWait;
49 wait_queue_head_t iWait;
50 s8 iBuf[MIDIIN_BUFLEN];
51 u16 ird, iwr, icnt;
52 struct list_head mid_hdrs;
53};
54
55/* uncomment next line to use midi port on Audigy drive */
56//#define USE_AUDIGY_DRIVE_MIDI
57
58#ifdef USE_AUDIGY_DRIVE_MIDI
59#define A_MUDATA A_MUDATA2
60#define A_MUCMD A_MUCMD2
61#define A_MUSTAT A_MUCMD2
62#define A_IPR_MIDITRANSBUFEMPTY A_IPR_MIDITRANSBUFEMPTY2
63#define A_IPR_MIDIRECVBUFEMPTY A_IPR_MIDIRECVBUFEMPTY2
64#define A_INTE_MIDITXENABLE A_INTE_MIDITXENABLE2
65#define A_INTE_MIDIRXENABLE A_INTE_MIDIRXENABLE2
66#else
67#define A_MUDATA A_MUDATA1
68#define A_MUCMD A_MUCMD1
69#define A_MUSTAT A_MUCMD1
70#define A_IPR_MIDITRANSBUFEMPTY A_IPR_MIDITRANSBUFEMPTY1
71#define A_IPR_MIDIRECVBUFEMPTY A_IPR_MIDIRECVBUFEMPTY1
72#define A_INTE_MIDITXENABLE A_INTE_MIDITXENABLE1
73#define A_INTE_MIDIRXENABLE A_INTE_MIDIRXENABLE1
74#endif
75
76
77#endif /* _MIDI_H */
78