diff options
Diffstat (limited to 'arch/x86/include/asm/io.h')
| -rw-r--r-- | arch/x86/include/asm/io.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index 86bac90e8e..fcd9aa9857 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -69,6 +69,55 @@ #define memcpy_fromio(a,b,c) memcpy((a),(b),(c)) #define memcpy_toio(a,b,c) memcpy((a),(b),(c)) +#define write_arch(type, endian, a, v) __raw_write##type(cpu_to_##endian(v), a) +#define read_arch(type, endian, a) endian##_to_cpu(__raw_read##type(a)) + +#define write_le64(a, v) write_arch(q, le64, a, v) +#define write_le32(a, v) write_arch(l, le32, a, v) +#define write_le16(a, v) write_arch(w, le16, a, v) + +#define read_le64(a) read_arch(q, le64, a) +#define read_le32(a) read_arch(l, le32, a) +#define read_le16(a) read_arch(w, le16, a) + +#define write_be32(a, v) write_arch(l, be32, a, v) +#define write_be16(a, v) write_arch(w, be16, a, v) + +#define read_be32(a) read_arch(l, be32, a) +#define read_be16(a) read_arch(w, be16, a) + +#define write_8(a, v) __raw_writeb(v, a) +#define read_8(a) __raw_readb(a) + +#define clrbits(type, addr, clear) \ + write_##type((addr), read_##type(addr) & ~(clear)) + +#define setbits(type, addr, set) \ + write_##type((addr), read_##type(addr) | (set)) + +#define clrsetbits(type, addr, clear, set) \ + write_##type((addr), (read_##type(addr) & ~(clear)) | (set)) + +#define clrbits_be32(addr, clear) clrbits(be32, addr, clear) +#define setbits_be32(addr, set) setbits(be32, addr, set) +#define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set) + +#define clrbits_le32(addr, clear) clrbits(le32, addr, clear) +#define setbits_le32(addr, set) setbits(le32, addr, set) +#define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set) + +#define clrbits_be16(addr, clear) clrbits(be16, addr, clear) +#define setbits_be16(addr, set) setbits(be16, addr, set) +#define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set) + +#define clrbits_le16(addr, clear) clrbits(le16, addr, clear) +#define setbits_le16(addr, set) setbits(le16, addr, set) +#define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set) + +#define clrbits_8(addr, clear) clrbits(8, addr, clear) +#define setbits_8(addr, set) setbits(8, addr, set) +#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set) + /* * ISA space is 'always mapped' on a typical x86 system, no need to * explicitly ioremap() it. The fact that the ISA IO space is mapped |
