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1da177e4 LT |
1 | /* |
2 | * include/asm-mips/dec/ioasic.h | |
3 | * | |
4 | * DEC I/O ASIC access operations. | |
5 | * | |
6 | * Copyright (C) 2000, 2002, 2003 Maciej W. Rozycki | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * as published by the Free Software Foundation; either version | |
11 | * 2 of the License, or (at your option) any later version. | |
12 | */ | |
13 | ||
14 | #ifndef __ASM_DEC_IOASIC_H | |
15 | #define __ASM_DEC_IOASIC_H | |
16 | ||
17 | #include <linux/spinlock.h> | |
18 | #include <linux/types.h> | |
19 | ||
20 | extern spinlock_t ioasic_ssr_lock; | |
21 | ||
22 | extern volatile u32 *ioasic_base; | |
23 | ||
24 | static inline void ioasic_write(unsigned int reg, u32 v) | |
25 | { | |
26 | ioasic_base[reg / 4] = v; | |
27 | } | |
28 | ||
29 | static inline u32 ioasic_read(unsigned int reg) | |
30 | { | |
31 | return ioasic_base[reg / 4]; | |
32 | } | |
33 | ||
34 | extern void init_ioasic_irqs(int base); | |
35 | ||
36 | #endif /* __ASM_DEC_IOASIC_H */ |