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/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
******************************************************************************/
#ifndef __BASIC_TYPES_H__
#define __BASIC_TYPES_H__
#define SUCCESS 0
#define FAIL (-1)
#include <linux/types.h>
typedef signed int sint;
#define FIELD_OFFSET(s, field) ((__kernel_ssize_t)&((s*)(0))->field)
#define SIZE_PTR __kernel_size_t
#define SSIZE_PTR __kernel_ssize_t
/* port from fw by thomas */
/* TODO: Belows are Sync from SD7-Driver. It is necessary to check correctness */
/*
*Call endian free function when
* 1. Read/write packet content.
* 2. Before write integer to IO.
* 3. After read integer from IO.
*/
/* */
/* Byte Swapping routine. */
/* */
#define EF1Byte (u8)
#define EF2Byte le16_to_cpu
#define EF4Byte le32_to_cpu
/* Convert little data endian to host ordering */
#define EF1BYTE(_val) \
((u8)(_val))
#define EF2BYTE(_val) \
(le16_to_cpu(_val))
#define EF4BYTE(_val) \
(le32_to_cpu(_val))
/* Read data from memory */
#define READEF1BYTE(_ptr) \
EF1BYTE(*((u8 *)(_ptr)))
/* Read le16 data from memory and convert to host ordering */
#define READEF2BYTE(_ptr) \
EF2BYTE(*(_ptr))
#define READEF4BYTE(_ptr) \
EF4BYTE(*(_ptr))
/* Write data to memory */
#define WRITEEF1BYTE(_ptr, _val) \
do { \
(*((u8 *)(_ptr))) = EF1BYTE(_val); \
} while (0)
/* Write le data to memory in host ordering */
#define WRITEEF2BYTE(_ptr, _val) \
do { \
(*((u16 *)(_ptr))) = EF2BYTE(_val); \
} while (0)
#define WRITEEF4BYTE(_ptr, _val) \
do { \
(*((u32 *)(_ptr))) = EF2BYTE(_val); \
} while (0)
/* Create a bit mask
* Examples:
* BIT_LEN_MASK_32(0) => 0x00000000
* BIT_LEN_MASK_32(1) => 0x00000001
* BIT_LEN_MASK_32(2) => 0x00000003
* BIT_LEN_MASK_32(32) => 0xFFFFFFFF
*/
#define BIT_LEN_MASK_32(__bitlen) \
(0xFFFFFFFF >> (32 - (__bitlen)))
#define BIT_LEN_MASK_16(__bitlen) \
(0xFFFF >> (16 - (__bitlen)))
#define BIT_LEN_MASK_8(__bitlen) \
(0xFF >> (8 - (__bitlen)))
/* Create an offset bit mask
* Examples:
* BIT_OFFSET_LEN_MASK_32(0, 2) => 0x00000003
* BIT_OFFSET_LEN_MASK_32(16, 2) => 0x00030000
*/
#define BIT_OFFSET_LEN_MASK_32(__bitoffset, __bitlen) \
(BIT_LEN_MASK_32(__bitlen) << (__bitoffset))
#define BIT_OFFSET_LEN_MASK_16(__bitoffset, __bitlen) \
(BIT_LEN_MASK_16(__bitlen) << (__bitoffset))
#define BIT_OFFSET_LEN_MASK_8(__bitoffset, __bitlen) \
(BIT_LEN_MASK_8(__bitlen) << (__bitoffset))
/*Description:
* Return 4-byte value in host byte ordering from
* 4-byte pointer in little-endian system.
*/
#define LE_P4BYTE_TO_HOST_4BYTE(__pstart) \
(EF4BYTE(*((__le32 *)(__pstart))))
#define LE_P2BYTE_TO_HOST_2BYTE(__pstart) \
(EF2BYTE(*((__le16 *)(__pstart))))
#define LE_P1BYTE_TO_HOST_1BYTE(__pstart) \
(EF1BYTE(*((u8 *)(__pstart))))
/* */
/* Description: */
/* Translate subfield (continuous bits in little-endian) of 4-byte value in litten byte to */
/* 4-byte value in host byte ordering. */
/* */
#define LE_BITS_TO_4BYTE(__pstart, __bitoffset, __bitlen) \
(\
(LE_P4BYTE_TO_HOST_4BYTE(__pstart) >> (__bitoffset)) & \
BIT_LEN_MASK_32(__bitlen) \
)
#define LE_BITS_TO_2BYTE(__pstart, __bitoffset, __bitlen) \
(\
(LE_P2BYTE_TO_HOST_2BYTE(__pstart) >> (__bitoffset)) & \
BIT_LEN_MASK_16(__bitlen) \
)
#define LE_BITS_TO_1BYTE(__pstart, __bitoffset, __bitlen) \
(\
(LE_P1BYTE_TO_HOST_1BYTE(__pstart) >> (__bitoffset)) & \
BIT_LEN_MASK_8(__bitlen) \
)
/* */
/* Description: */
/* Mask subfield (continuous bits in little-endian) of 4-byte value in litten byte oredering */
/* and return the result in 4-byte value in host byte ordering. */
/* */
#define LE_BITS_CLEARED_TO_4BYTE(__pstart, __bitoffset, __bitlen) \
(\
LE_P4BYTE_TO_HOST_4BYTE(__pstart) & \
(~BIT_OFFSET_LEN_MASK_32(__bitoffset, __bitlen)) \
)
#define LE_BITS_CLEARED_TO_2BYTE(__pstart, __bitoffset, __bitlen) \
(\
LE_P2BYTE_TO_HOST_2BYTE(__pstart) & \
(~BIT_OFFSET_LEN_MASK_16(__bitoffset, __bitlen)) \
)
#define LE_BITS_CLEARED_TO_1BYTE(__pstart, __bitoffset, __bitlen) \
(\
LE_P1BYTE_TO_HOST_1BYTE(__pstart) & \
(~BIT_OFFSET_LEN_MASK_8(__bitoffset, __bitlen)) \
)
/* */
/* Description: */
/* Set subfield of little-endian 4-byte value to specified value. */
/* */
#define SET_BITS_TO_LE_4BYTE(__pstart, __bitoffset, __bitlen, __val) \
*((u32 *)(__pstart)) = \
( \
LE_BITS_CLEARED_TO_4BYTE(__pstart, __bitoffset, __bitlen) | \
((((u32)__val) & BIT_LEN_MASK_32(__bitlen)) << (__bitoffset)) \
)
#define SET_BITS_TO_LE_2BYTE(__pstart, __bitoffset, __bitlen, __val) \
*((u16 *)(__pstart)) = \
( \
LE_BITS_CLEARED_TO_2BYTE(__pstart, __bitoffset, __bitlen) | \
((((u16)__val) & BIT_LEN_MASK_16(__bitlen)) << (__bitoffset)) \
);
#define SET_BITS_TO_LE_1BYTE(__pstart, __bitoffset, __bitlen, __val) \
*((u8 *)(__pstart)) = EF1BYTE \
( \
LE_BITS_CLEARED_TO_1BYTE(__pstart, __bitoffset, __bitlen) | \
((((u8)__val) & BIT_LEN_MASK_8(__bitlen)) << (__bitoffset)) \
)
#define LE_BITS_CLEARED_TO_1BYTE_8BIT(__pStart, __BitOffset, __BitLen) \
(\
LE_P1BYTE_TO_HOST_1BYTE(__pStart) \
)
#define SET_BITS_TO_LE_1BYTE_8BIT(__pStart, __BitOffset, __BitLen, __Value) \
{ \
*((u8 *)(__pStart)) = \
EF1Byte(\
LE_BITS_CLEARED_TO_1BYTE_8BIT(__pStart, __BitOffset, __BitLen) \
| \
((u8)__Value) \
); \
}
/* Get the N-bytes aligment offset from the current length */
#define N_BYTE_ALIGMENT(__Value, __Aligment) ((__Aligment == 1) ? (__Value) : (((__Value + __Aligment - 1) / __Aligment) * __Aligment))
#define TEST_FLAG(__Flag, __testFlag) (((__Flag) & (__testFlag)) != 0)
#define SET_FLAG(__Flag, __setFlag) ((__Flag) |= __setFlag)
#define CLEAR_FLAG(__Flag, __clearFlag) ((__Flag) &= ~(__clearFlag))
#define CLEAR_FLAGS(__Flag) ((__Flag) = 0)
#define TEST_FLAGS(__Flag, __testFlags) (((__Flag) & (__testFlags)) == (__testFlags))
#endif /* __BASIC_TYPES_H__ */
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