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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-26 15:39:02 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-26 15:39:02 +0200
commitaa77677e0a288e08073620db5d2a31df83ca4788 (patch)
tree0d14b995a21c43f365d66b9ad101a334109fc4e4 /drivers/staging/rtl8192e/rtllib_endianfree.h
parentefb8d21b2c6db3497655cc6a033ae8a9883e4063 (diff)
parent43a3beb6da994549ec28a9f31727b997a025f958 (diff)
downloadop-kernel-dev-aa77677e0a288e08073620db5d2a31df83ca4788.zip
op-kernel-dev-aa77677e0a288e08073620db5d2a31df83ca4788.tar.gz
Merge branch 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
* 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1519 commits) staging: et131x: Remove redundant check and return statement staging: et131x: Mainly whitespace changes to appease checkpatch staging: et131x: Remove last of the forward declarations staging: et131x: Remove even more forward declarations staging: et131x: Remove yet more forward declarations staging: et131x: Remove more forward declarations staging: et131x: Remove forward declaration of et131x_adapter_setup staging: et131x: Remove some forward declarations staging: et131x: Remove unused rx_ring.recv_packet_pool staging: et131x: Remove call to find pci pm capability staging: et131x: Remove redundant et131x_reset_recv() call staging: et131x: Remove unused rx_ring.recv_buffer_pool Staging: bcm: Fix three initialization errors in InterfaceDld.c Staging: bcm: Fix coding style issues in InterfaceDld.c staging:iio:dac: Add AD5360 driver staging:iio:trigger:bfin-timer: Fix compile error Staging: vt6655: add some range checks before memcpy() Staging: vt6655: whitespace fixes to iotcl.c Staging: vt6656: add some range checks before memcpy() Staging: vt6656: whitespace cleanups in ioctl.c ... Fix up conflicts in: - drivers/{Kconfig,Makefile}, drivers/staging/{Kconfig,Makefile}: vg driver movement - drivers/staging/brcm80211/brcmfmac/{dhd_linux.c,mac80211_if.c}: driver removal vs now stale changes - drivers/staging/rtl8192e/r8192E_core.c: driver removal vs now stale changes - drivers/staging/et131x/et131*: driver consolidation into one file, tried to do fixups
Diffstat (limited to 'drivers/staging/rtl8192e/rtllib_endianfree.h')
-rw-r--r--drivers/staging/rtl8192e/rtllib_endianfree.h160
1 files changed, 160 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..b268605
--- /dev/null
+++ b/drivers/staging/rtl8192e/rtllib_endianfree.h
@@ -0,0 +1,160 @@
+#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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