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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-26 15:39:02 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-26 15:39:02 +0200 |
commit | aa77677e0a288e08073620db5d2a31df83ca4788 (patch) | |
tree | 0d14b995a21c43f365d66b9ad101a334109fc4e4 /drivers/staging/rtl8192e/rtllib_endianfree.h | |
parent | efb8d21b2c6db3497655cc6a033ae8a9883e4063 (diff) | |
parent | 43a3beb6da994549ec28a9f31727b997a025f958 (diff) | |
download | op-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.h | 160 |
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 |