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42 lines
809 B
42 lines
809 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __ASM_CPU_SH3_DAC_H |
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#define __ASM_CPU_SH3_DAC_H |
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/* |
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* Copyright (C) 2003 Andriy Skulysh |
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*/ |
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#define DADR0 0xa40000a0 |
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#define DADR1 0xa40000a2 |
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#define DACR 0xa40000a4 |
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#define DACR_DAOE1 0x80 |
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#define DACR_DAOE0 0x40 |
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#define DACR_DAE 0x20 |
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static __inline__ void sh_dac_enable(int channel) |
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{ |
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unsigned char v; |
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v = __raw_readb(DACR); |
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if(channel) v |= DACR_DAOE1; |
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else v |= DACR_DAOE0; |
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__raw_writeb(v,DACR); |
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} |
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static __inline__ void sh_dac_disable(int channel) |
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{ |
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unsigned char v; |
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v = __raw_readb(DACR); |
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if(channel) v &= ~DACR_DAOE1; |
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else v &= ~DACR_DAOE0; |
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__raw_writeb(v,DACR); |
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} |
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static __inline__ void sh_dac_output(u8 value, int channel) |
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{ |
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if(channel) __raw_writeb(value,DADR1); |
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else __raw_writeb(value,DADR0); |
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} |
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#endif /* __ASM_CPU_SH3_DAC_H */
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