[mirror_ubuntu-zesty-kernel.git] / arch / sh / include / cpu-sh3 / cpu / dac.h

#ifndef __ASM_CPU_SH3_DAC_H
#define __ASM_CPU_SH3_DAC_H

/*
 * Copyright (C) 2003  Andriy Skulysh
 */


#define DADR0	0xa40000a0
#define DADR1	0xa40000a2
#define DACR	0xa40000a4
#define DACR_DAOE1	0x80
#define DACR_DAOE0	0x40
#define DACR_DAE	0x20


static __inline__ void sh_dac_enable(int channel)
{
	unsigned char v;
	v = __raw_readb(DACR);
	if(channel) v |= DACR_DAOE1;
	else v |= DACR_DAOE0;
	__raw_writeb(v,DACR);
}

static __inline__ void sh_dac_disable(int channel)
{
	unsigned char v;
	v = __raw_readb(DACR);
	if(channel) v &= ~DACR_DAOE1;
	else v &= ~DACR_DAOE0;
	__raw_writeb(v,DACR);
}

static __inline__ void sh_dac_output(u8 value, int channel)
{
	if(channel) __raw_writeb(value,DADR1);
	else __raw_writeb(value,DADR0);
}

#endif /* __ASM_CPU_SH3_DAC_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef __ASM_CPU_SH3_DAC_H
	2	#define __ASM_CPU_SH3_DAC_H
	3
	4	/*
	5	* Copyright (C) 2003 Andriy Skulysh
	6	*/
	7
	8
	9	#define DADR0 0xa40000a0
	10	#define DADR1 0xa40000a2
	11	#define DACR 0xa40000a4
	12	#define DACR_DAOE1 0x80
	13	#define DACR_DAOE0 0x40
	14	#define DACR_DAE 0x20
	15
	16
	17	static __inline__ void sh_dac_enable(int channel)
	18	{
	19	unsigned char v;
9d56dd3b	20	v = __raw_readb(DACR);
1da177e4 LT	21	if(channel) v \|= DACR_DAOE1;
1da177e4 LT	22	else v \|= DACR_DAOE0;
9d56dd3b	23	__raw_writeb(v,DACR);
1da177e4 LT	24	}
	25
	26	static __inline__ void sh_dac_disable(int channel)
	27	{
	28	unsigned char v;
9d56dd3b	29	v = __raw_readb(DACR);
1da177e4 LT	30	if(channel) v &= ~DACR_DAOE1;
1da177e4 LT	31	else v &= ~DACR_DAOE0;
9d56dd3b	32	__raw_writeb(v,DACR);
1da177e4 LT	33	}
	34
	35	static __inline__ void sh_dac_output(u8 value, int channel)
	36	{
9d56dd3b PM	37	if(channel) __raw_writeb(value,DADR1);
9d56dd3b PM	38	else __raw_writeb(value,DADR0);
1da177e4 LT	39	}
	40
	41	#endif /* __ASM_CPU_SH3_DAC_H */