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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/sh/include/cpu-sh3/cpu/dac.h | |
| parent | Initial commit. (diff) | |
| download | linux-upstream.tar.xz linux-upstream.zip | |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sh/include/cpu-sh3/cpu/dac.h')
| -rw-r--r-- | arch/sh/include/cpu-sh3/cpu/dac.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/sh/include/cpu-sh3/cpu/dac.h b/arch/sh/include/cpu-sh3/cpu/dac.h new file mode 100644 index 000000000..fd0233160 --- /dev/null +++ b/arch/sh/include/cpu-sh3/cpu/dac.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#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 */ |