diff options
Diffstat (limited to 'arch/mips/include/asm')
| -rw-r--r-- | arch/mips/include/asm/io.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h index eb06afafaed..b8ac5a5ac54 100644 --- a/arch/mips/include/asm/io.h +++ b/arch/mips/include/asm/io.h @@ -541,4 +541,59 @@ static inline void unmap_physmem(void *vaddr, unsigned long flags) { } +#define __BUILD_CLRBITS(bwlq, sfx, end, type) \ + \ +static inline void clrbits_##sfx(volatile void __iomem *mem, type clr) \ +{ \ + type __val = __raw_read##bwlq(mem); \ + __val = end##_to_cpu(__val); \ + __val &= ~clr; \ + __val = cpu_to_##end(__val); \ + __raw_write##bwlq(__val, mem); \ +} + +#define __BUILD_SETBITS(bwlq, sfx, end, type) \ + \ +static inline void setbits_##sfx(volatile void __iomem *mem, type set) \ +{ \ + type __val = __raw_read##bwlq(mem); \ + __val = end##_to_cpu(__val); \ + __val |= set; \ + __val = cpu_to_##end(__val); \ + __raw_write##bwlq(__val, mem); \ +} + +#define __BUILD_CLRSETBITS(bwlq, sfx, end, type) \ + \ +static inline void clrsetbits_##sfx(volatile void __iomem *mem, \ + type clr, type set) \ +{ \ + type __val = __raw_read##bwlq(mem); \ + __val = end##_to_cpu(__val); \ + __val &= ~clr; \ + __val |= set; \ + __val = cpu_to_##end(__val); \ + __raw_write##bwlq(__val, mem); \ +} + +#define BUILD_CLRSETBITS(bwlq, sfx, end, type) \ + \ +__BUILD_CLRBITS(bwlq, sfx, end, type) \ +__BUILD_SETBITS(bwlq, sfx, end, type) \ +__BUILD_CLRSETBITS(bwlq, sfx, end, type) + +#define __to_cpu(v) (v) +#define cpu_to__(v) (v) + +BUILD_CLRSETBITS(b, 8, _, u8) +BUILD_CLRSETBITS(w, le16, le16, u16) +BUILD_CLRSETBITS(w, be16, be16, u16) +BUILD_CLRSETBITS(w, 16, _, u16) +BUILD_CLRSETBITS(l, le32, le32, u32) +BUILD_CLRSETBITS(l, be32, be32, u32) +BUILD_CLRSETBITS(l, 32, _, u32) +BUILD_CLRSETBITS(q, le64, le64, u64) +BUILD_CLRSETBITS(q, be64, be64, u64) +BUILD_CLRSETBITS(q, 64, _, u64) + #endif /* _ASM_IO_H */ |