linux-sg2042/include/asm-mips/dec/ioasic.h

37 lines
815 B
C

/*
* include/asm-mips/dec/ioasic.h
*
* DEC I/O ASIC access operations.
*
* Copyright (C) 2000, 2002, 2003 Maciej W. Rozycki
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef __ASM_DEC_IOASIC_H
#define __ASM_DEC_IOASIC_H
#include <linux/spinlock.h>
#include <linux/types.h>
extern spinlock_t ioasic_ssr_lock;
extern volatile u32 *ioasic_base;
static inline void ioasic_write(unsigned int reg, u32 v)
{
ioasic_base[reg / 4] = v;
}
static inline u32 ioasic_read(unsigned int reg)
{
return ioasic_base[reg / 4];
}
extern void init_ioasic_irqs(int base);
#endif /* __ASM_DEC_IOASIC_H */