diff options
author | Larry Finger <Larry.Finger@lwfinger.net> | 2011-08-23 19:00:42 -0500 |
---|---|---|
committer | Larry Finger <Larry.Finger@lwfinger.net> | 2011-08-23 19:00:42 -0500 |
commit | 94a799425eee8225a1e3fbe5f473d2ef04002577 (patch) | |
tree | e4d188ca8f652c6b61859472fe9de05ef8ae33b3 /drivers/staging/rtl8192e/rtllib_endianfree.h | |
parent | 8cfcabf80c875aff5f3dad1ffdf48096f5be1f7f (diff) | |
download | linux-94a799425eee8225a1e3fbe5f473d2ef04002577.tar.gz linux-94a799425eee8225a1e3fbe5f473d2ef04002577.tar.bz2 linux-94a799425eee8225a1e3fbe5f473d2ef04002577.zip |
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.h | 156 |
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 000000000000..46d8f1962484 --- /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 |