162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef __ASM_CPU_SH3_DAC_H 362306a36Sopenharmony_ci#define __ASM_CPU_SH3_DAC_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci/* 662306a36Sopenharmony_ci * Copyright (C) 2003 Andriy Skulysh 762306a36Sopenharmony_ci */ 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci#define DADR0 0xa40000a0 1162306a36Sopenharmony_ci#define DADR1 0xa40000a2 1262306a36Sopenharmony_ci#define DACR 0xa40000a4 1362306a36Sopenharmony_ci#define DACR_DAOE1 0x80 1462306a36Sopenharmony_ci#define DACR_DAOE0 0x40 1562306a36Sopenharmony_ci#define DACR_DAE 0x20 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_cistatic __inline__ void sh_dac_enable(int channel) 1962306a36Sopenharmony_ci{ 2062306a36Sopenharmony_ci unsigned char v; 2162306a36Sopenharmony_ci v = __raw_readb(DACR); 2262306a36Sopenharmony_ci if(channel) v |= DACR_DAOE1; 2362306a36Sopenharmony_ci else v |= DACR_DAOE0; 2462306a36Sopenharmony_ci __raw_writeb(v,DACR); 2562306a36Sopenharmony_ci} 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_cistatic __inline__ void sh_dac_disable(int channel) 2862306a36Sopenharmony_ci{ 2962306a36Sopenharmony_ci unsigned char v; 3062306a36Sopenharmony_ci v = __raw_readb(DACR); 3162306a36Sopenharmony_ci if(channel) v &= ~DACR_DAOE1; 3262306a36Sopenharmony_ci else v &= ~DACR_DAOE0; 3362306a36Sopenharmony_ci __raw_writeb(v,DACR); 3462306a36Sopenharmony_ci} 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_cistatic __inline__ void sh_dac_output(u8 value, int channel) 3762306a36Sopenharmony_ci{ 3862306a36Sopenharmony_ci if(channel) __raw_writeb(value,DADR1); 3962306a36Sopenharmony_ci else __raw_writeb(value,DADR0); 4062306a36Sopenharmony_ci} 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_ci#endif /* __ASM_CPU_SH3_DAC_H */ 43