[mirror_ubuntu-jammy-kernel.git] / arch / mips / include / asm / dec / ioasic.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *	include/asm-mips/dec/ioasic.h
 *
 *	DEC I/O ASIC access operations.
 *
 *	Copyright (C) 2000, 2002, 2003  Maciej W. Rozycki
 */

#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);

extern int dec_ioasic_clocksource_init(void);

#endif /* __ASM_DEC_IOASIC_H */
Commit	Line	Data
2874c5fd	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
1da177e4 LT	2	/*
	3	* include/asm-mips/dec/ioasic.h
	4	*
	5	* DEC I/O ASIC access operations.
	6	*
	7	* Copyright (C) 2000, 2002, 2003 Maciej W. Rozycki
1da177e4 LT	8	*/
	9
	10	#ifndef __ASM_DEC_IOASIC_H
	11	#define __ASM_DEC_IOASIC_H
	12
	13	#include <linux/spinlock.h>
	14	#include <linux/types.h>
	15
	16	extern spinlock_t ioasic_ssr_lock;
	17
	18	extern volatile u32 *ioasic_base;
	19
	20	static inline void ioasic_write(unsigned int reg, u32 v)
	21	{
	22	ioasic_base[reg / 4] = v;
	23	}
	24
	25	static inline u32 ioasic_read(unsigned int reg)
	26	{
	27	return ioasic_base[reg / 4];
	28	}
	29
	30	extern void init_ioasic_irqs(int base);
	31
daed1285	32	extern int dec_ioasic_clocksource_init(void);
4247417d	33
1da177e4	34	#endif /* __ASM_DEC_IOASIC_H */