| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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; |
| 20 | v = ctrl_inb(DACR); |
| 21 | if(channel) v |= DACR_DAOE1; |
| 22 | else v |= DACR_DAOE0; |
| 23 | ctrl_outb(v,DACR); |
| 24 | } |
| 25 | |
| 26 | static __inline__ void sh_dac_disable(int channel) |
| 27 | { |
| 28 | unsigned char v; |
| 29 | v = ctrl_inb(DACR); |
| 30 | if(channel) v &= ~DACR_DAOE1; |
| 31 | else v &= ~DACR_DAOE0; |
| 32 | ctrl_outb(v,DACR); |
| 33 | } |
| 34 | |
| 35 | static __inline__ void sh_dac_output(u8 value, int channel) |
| 36 | { |
| 37 | if(channel) ctrl_outb(value,DADR1); |
| 38 | else ctrl_outb(value,DADR0); |
| 39 | } |
| 40 | |
| 41 | #endif /* __ASM_CPU_SH3_DAC_H */ |