162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */
262306a36Sopenharmony_ci/*
362306a36Sopenharmony_ci *	include/asm-mips/dec/ioasic.h
462306a36Sopenharmony_ci *
562306a36Sopenharmony_ci *	DEC I/O ASIC access operations.
662306a36Sopenharmony_ci *
762306a36Sopenharmony_ci *	Copyright (C) 2000, 2002, 2003  Maciej W. Rozycki
862306a36Sopenharmony_ci */
962306a36Sopenharmony_ci
1062306a36Sopenharmony_ci#ifndef __ASM_DEC_IOASIC_H
1162306a36Sopenharmony_ci#define __ASM_DEC_IOASIC_H
1262306a36Sopenharmony_ci
1362306a36Sopenharmony_ci#include <linux/spinlock.h>
1462306a36Sopenharmony_ci#include <linux/types.h>
1562306a36Sopenharmony_ci
1662306a36Sopenharmony_ciextern spinlock_t ioasic_ssr_lock;
1762306a36Sopenharmony_ci
1862306a36Sopenharmony_ciextern volatile u32 *ioasic_base;
1962306a36Sopenharmony_ci
2062306a36Sopenharmony_cistatic inline void ioasic_write(unsigned int reg, u32 v)
2162306a36Sopenharmony_ci{
2262306a36Sopenharmony_ci	ioasic_base[reg / 4] = v;
2362306a36Sopenharmony_ci}
2462306a36Sopenharmony_ci
2562306a36Sopenharmony_cistatic inline u32 ioasic_read(unsigned int reg)
2662306a36Sopenharmony_ci{
2762306a36Sopenharmony_ci	return ioasic_base[reg / 4];
2862306a36Sopenharmony_ci}
2962306a36Sopenharmony_ci
3062306a36Sopenharmony_ciextern void init_ioasic_irqs(int base);
3162306a36Sopenharmony_ci
3262306a36Sopenharmony_ciextern int dec_ioasic_clocksource_init(void);
3362306a36Sopenharmony_ci
3462306a36Sopenharmony_ci#endif /* __ASM_DEC_IOASIC_H */
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