| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |