Merge branch 'master' into csb1725

[mv-sheeva.git] / drivers / staging / rtl8712 / swab.h

diff --git a/drivers/staging/rtl8712/swab.h b/drivers/staging/rtl8712/swab.h
new file mode 100644 (file)
index 0000000..44709a9
--- /dev/null
+++ b/drivers/staging/rtl8712/swab.h
@@ -0,0 +1,106 @@
+#ifndef _LINUX_BYTEORDER_SWAB_H
+#define _LINUX_BYTEORDER_SWAB_H
+
+#ifndef __u16
+ #define __u16 unsigned short
+#endif
+
+#ifndef __u32
+ #define __u32 unsigned int
+#endif
+
+#ifndef __u8
+ #define __u8 unsigned char
+#endif
+
+#ifndef __u64
+ #define __u64 unsigned long long
+#endif
+
+
+static inline __u16  ___swab16(__u16 x)
+{
+       __u16 __x = x;
+       return (__u16)(
+               (((__u16)(__x) & (__u16)0x00ffU) << 8) |
+               (((__u16)(__x) & (__u16)0xff00U) >> 8));
+
+}
+
+static inline __u32  ___swab32(__u32 x)
+{
+       __u32 __x = (x);
+       return (__u32)(
+               (((__u32)(__x) & (__u32)0x000000ffUL) << 24) |
+               (((__u32)(__x) & (__u32)0x0000ff00UL) <<  8) |
+               (((__u32)(__x) & (__u32)0x00ff0000UL) >>  8) |
+               (((__u32)(__x) & (__u32)0xff000000UL) >> 24));
+}
+
+static inline __u64  ___swab64(__u64 x)
+{
+       __u64 __x = (x);
+
+       return (__u64)( \
+               (__u64)(((__u64)(__x) & (__u64)0x00000000000000ffULL) << 56) | \
+               (__u64)(((__u64)(__x) & (__u64)0x000000000000ff00ULL) << 40) | \
+               (__u64)(((__u64)(__x) & (__u64)0x0000000000ff0000ULL) << 24) | \
+               (__u64)(((__u64)(__x) & (__u64)0x00000000ff000000ULL) <<  8) | \
+               (__u64)(((__u64)(__x) & (__u64)0x000000ff00000000ULL) >>  8) | \
+               (__u64)(((__u64)(__x) & (__u64)0x0000ff0000000000ULL) >> 24) | \
+               (__u64)(((__u64)(__x) & (__u64)0x00ff000000000000ULL) >> 40) | \
+               (__u64)(((__u64)(__x) & (__u64)0xff00000000000000ULL) >> 56));
+}
+
+#ifndef __arch__swab16
+static inline __u16 __arch__swab16(__u16 x)
+{
+       return ___swab16(x);
+}
+
+#endif
+
+#ifndef __arch__swab32
+static inline __u32 __arch__swab32(__u32 x)
+{
+       __u32 __tmp = (x) ;
+       return ___swab32(__tmp);
+}
+#endif
+
+#ifndef __arch__swab64
+
+static inline __u64 __arch__swab64(__u64 x)
+{
+       __u64 __tmp = (x) ;
+       return ___swab64(__tmp);
+}
+
+
+#endif
+
+#define __swab16(x) __fswab16(x)
+#define __swab32(x) __fswab32(x)
+#define __swab64(x) __fswab64(x)
+
+static inline const __u16 __fswab16(__u16 x)
+{
+       return __arch__swab16(x);
+}
+static inline const __u32 __fswab32(__u32 x)
+{
+       return __arch__swab32(x);
+}
+
+#define swab16 __swab16
+#define swab32 __swab32
+#define swab64 __swab64
+#define swab16p __swab16p
+#define swab32p __swab32p
+#define swab64p __swab64p
+#define swab16s __swab16s
+#define swab32s __swab32s
+#define swab64s __swab64s
+
+#endif /* _LINUX_BYTEORDER_SWAB_H */
+