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authorLarry Finger <Larry.Finger@lwfinger.net>2011-08-23 19:00:42 -0500
committerLarry Finger <Larry.Finger@lwfinger.net>2011-08-23 19:00:42 -0500
commit94a799425eee8225a1e3fbe5f473d2ef04002577 (patch)
treee4d188ca8f652c6b61859472fe9de05ef8ae33b3 /drivers/staging/rtl8192e/rtllib_endianfree.h
parent8cfcabf80c875aff5f3dad1ffdf48096f5be1f7f (diff)
downloadop-kernel-dev-94a799425eee8225a1e3fbe5f473d2ef04002577.zip
op-kernel-dev-94a799425eee8225a1e3fbe5f473d2ef04002577.tar.gz
From: wlanfae <wlanfae@realtek.com>
[PATCH 1/8] rtl8192e: Import new version of driver from realtek Signed-off-by: wlanfae <wlanfae@realtek.com> Signed-off-by: Mike McCormack <mikem@ring3k.org> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> ---
Diffstat (limited to 'drivers/staging/rtl8192e/rtllib_endianfree.h')
-rw-r--r--drivers/staging/rtl8192e/rtllib_endianfree.h156
1 files changed, 156 insertions, 0 deletions
diff --git a/drivers/staging/rtl8192e/rtllib_endianfree.h b/drivers/staging/rtl8192e/rtllib_endianfree.h
new file mode 100644
index 0000000..46d8f19
--- /dev/null
+++ b/drivers/staging/rtl8192e/rtllib_endianfree.h
@@ -0,0 +1,156 @@
+#ifndef __INC_ENDIANFREE_H
+#define __INC_ENDIANFREE_H
+
+/*
+ * Call endian free function when
+ * 1. Read/write packet content.
+ * 2. Before write integer to IO.
+ * 3. After read integer from IO.
+ */
+
+#define __MACHINE_LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
+#define __MACHINE_BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net, ppc */
+
+#define BYTE_ORDER __MACHINE_LITTLE_ENDIAN
+
+#if BYTE_ORDER == __MACHINE_LITTLE_ENDIAN
+#define EF1Byte(_val) ((u8)(_val))
+#define EF2Byte(_val) ((u16)(_val))
+#define EF4Byte(_val) ((u32)(_val))
+
+#else
+#define EF1Byte(_val) ((u8)(_val))
+#define EF2Byte(_val) (((((u16)(_val))&0x00ff)<<8)|((((u16)(_val))&0xff00)>>8))
+#define EF4Byte(_val) (((((u32)(_val))&0x000000ff)<<24)|\
+ ((((u32)(_val))&0x0000ff00)<<8)|\
+ ((((u32)(_val))&0x00ff0000)>>8)|\
+ ((((u32)(_val))&0xff000000)>>24))
+#endif
+
+#define ReadEF1Byte(_ptr) EF1Byte(*((u8 *)(_ptr)))
+#define ReadEF2Byte(_ptr) EF2Byte(*((u16 *)(_ptr)))
+#define ReadEF4Byte(_ptr) EF4Byte(*((u32 *)(_ptr)))
+
+#define WriteEF1Byte(_ptr, _val) (*((u8 *)(_ptr)))=EF1Byte(_val)
+#define WriteEF2Byte(_ptr, _val) (*((u16 *)(_ptr)))=EF2Byte(_val)
+#define WriteEF4Byte(_ptr, _val) (*((u32 *)(_ptr)))=EF4Byte(_val)
+#if BYTE_ORDER == __MACHINE_LITTLE_ENDIAN
+#define H2N1BYTE(_val) ((u8)(_val))
+#define H2N2BYTE(_val) (((((u16)(_val))&0x00ff)<<8)|\
+ ((((u16)(_val))&0xff00)>>8))
+#define H2N4BYTE(_val) (((((u32)(_val))&0x000000ff)<<24)|\
+ ((((u32)(_val))&0x0000ff00)<<8) |\
+ ((((u32)(_val))&0x00ff0000)>>8) |\
+ ((((u32)(_val))&0xff000000)>>24))
+#else
+#define H2N1BYTE(_val) ((u8)(_val))
+#define H2N2BYTE(_val) ((u16)(_val))
+#define H2N4BYTE(_val) ((u32)(_val))
+#endif
+
+#if BYTE_ORDER == __MACHINE_LITTLE_ENDIAN
+#define N2H1BYTE(_val) ((u8)(_val))
+#define N2H2BYTE(_val) (((((u16)(_val))&0x00ff)<<8)|\
+ ((((u16)(_val))&0xff00)>>8))
+#define N2H4BYTE(_val) (((((u32)(_val))&0x000000ff)<<24)|\
+ ((((u32)(_val))&0x0000ff00)<<8) |\
+ ((((u32)(_val))&0x00ff0000)>>8) |\
+ ((((u32)(_val))&0xff000000)>>24))
+#else
+#define N2H1BYTE(_val) ((u8)(_val))
+#define N2H2BYTE(_val) ((u16)(_val))
+#define N2H4BYTE(_val) ((u32)(_val))
+#endif
+
+#define BIT_LEN_MASK_32(__BitLen) (0xFFFFFFFF >> (32 - (__BitLen)))
+#define BIT_OFFSET_LEN_MASK_32(__BitOffset, __BitLen) (BIT_LEN_MASK_32(__BitLen) << (__BitOffset))
+
+#define LE_P4BYTE_TO_HOST_4BYTE(__pStart) (EF4Byte(*((u32 *)(__pStart))))
+
+#define LE_BITS_TO_4BYTE(__pStart, __BitOffset, __BitLen) \
+ ( \
+ ( LE_P4BYTE_TO_HOST_4BYTE(__pStart) >> (__BitOffset) ) \
+ & \
+ BIT_LEN_MASK_32(__BitLen) \
+ )
+
+#define LE_BITS_CLEARED_TO_4BYTE(__pStart, __BitOffset, __BitLen) \
+ ( \
+ LE_P4BYTE_TO_HOST_4BYTE(__pStart) \
+ & \
+ ( ~BIT_OFFSET_LEN_MASK_32(__BitOffset, __BitLen) ) \
+ )
+
+#define SET_BITS_TO_LE_4BYTE(__pStart, __BitOffset, __BitLen, __Value) \
+ *((u32 *)(__pStart)) = \
+ EF4Byte( \
+ LE_BITS_CLEARED_TO_4BYTE(__pStart, __BitOffset, __BitLen) \
+ | \
+ ( (((u32)__Value) & BIT_LEN_MASK_32(__BitLen)) << (__BitOffset) ) \
+ );
+
+
+#define BIT_LEN_MASK_16(__BitLen) \
+ (0xFFFF >> (16 - (__BitLen)))
+
+#define BIT_OFFSET_LEN_MASK_16(__BitOffset, __BitLen) \
+ (BIT_LEN_MASK_16(__BitLen) << (__BitOffset))
+
+#define LE_P2BYTE_TO_HOST_2BYTE(__pStart) \
+ (EF2Byte(*((u16 *)(__pStart))))
+
+#define LE_BITS_TO_2BYTE(__pStart, __BitOffset, __BitLen) \
+ ( \
+ ( LE_P2BYTE_TO_HOST_2BYTE(__pStart) >> (__BitOffset) ) \
+ & \
+ BIT_LEN_MASK_16(__BitLen) \
+ )
+
+#define LE_BITS_CLEARED_TO_2BYTE(__pStart, __BitOffset, __BitLen) \
+ ( \
+ LE_P2BYTE_TO_HOST_2BYTE(__pStart) \
+ & \
+ ( ~BIT_OFFSET_LEN_MASK_16(__BitOffset, __BitLen) ) \
+ )
+
+#define SET_BITS_TO_LE_2BYTE(__pStart, __BitOffset, __BitLen, __Value) \
+ *((u16 *)(__pStart)) = \
+ EF2Byte( \
+ LE_BITS_CLEARED_TO_2BYTE(__pStart, __BitOffset, __BitLen) \
+ | \
+ ( (((u16)__Value) & BIT_LEN_MASK_16(__BitLen)) << (__BitOffset) ) \
+ );
+
+#define BIT_LEN_MASK_8(__BitLen) \
+ (0xFF >> (8 - (__BitLen)))
+
+#define BIT_OFFSET_LEN_MASK_8(__BitOffset, __BitLen) \
+ (BIT_LEN_MASK_8(__BitLen) << (__BitOffset))
+
+#define LE_P1BYTE_TO_HOST_1BYTE(__pStart) \
+ (EF1Byte(*((u8 *)(__pStart))))
+
+#define LE_BITS_TO_1BYTE(__pStart, __BitOffset, __BitLen) \
+ ( \
+ ( LE_P1BYTE_TO_HOST_1BYTE(__pStart) >> (__BitOffset) ) \
+ & \
+ BIT_LEN_MASK_8(__BitLen) \
+ )
+
+#define LE_BITS_CLEARED_TO_1BYTE(__pStart, __BitOffset, __BitLen) \
+ ( \
+ LE_P1BYTE_TO_HOST_1BYTE(__pStart) \
+ & \
+ ( ~BIT_OFFSET_LEN_MASK_8(__BitOffset, __BitLen) ) \
+ )
+
+#define SET_BITS_TO_LE_1BYTE(__pStart, __BitOffset, __BitLen, __Value) \
+ *((u8 *)(__pStart)) = \
+ EF1Byte( \
+ LE_BITS_CLEARED_TO_1BYTE(__pStart, __BitOffset, __BitLen) \
+ | \
+ ( (((u8)__Value) & BIT_LEN_MASK_8(__BitLen)) << (__BitOffset) ) \
+ );
+
+#define N_BYTE_ALIGMENT(__Value, __Aligment) ((__Aligment == 1) ? (__Value) : (((__Value + __Aligment - 1) / __Aligment) * __Aligment))
+#endif
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