diff options
Diffstat (limited to 'drivers/staging/r8188eu/include/basic_types.h')
| -rw-r--r-- | drivers/staging/r8188eu/include/basic_types.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/drivers/staging/r8188eu/include/basic_types.h b/drivers/staging/r8188eu/include/basic_types.h new file mode 100644 index 000000000000..d82b2171d584 --- /dev/null +++ b/drivers/staging/r8188eu/include/basic_types.h @@ -0,0 +1,123 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* Copyright(c) 2007 - 2011 Realtek Corporation. */ + +#ifndef __BASIC_TYPES_H__ +#define __BASIC_TYPES_H__ + +#define SUCCESS 0 +#define FAIL (-1) + +#include <linux/types.h> +#define NDIS_OID uint + +typedef void (*proc_t)(void *); + +#define FIELD_OFFSET(s, field) ((ssize_t)&((s *)(0))->field) + +#define MEM_ALIGNMENT_OFFSET (sizeof(size_t)) +#define MEM_ALIGNMENT_PADDING (sizeof(size_t) - 1) + +/* port from fw */ +/* TODO: Macros Below 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. +*/ + +/* 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 to 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) \ + ) + +#define N_BYTE_ALIGMENT(__value, __aligment) ((__aligment == 1) ? \ + (__value) : (((__value + __aligment - 1) / __aligment) * __aligment)) + +#endif /* __BASIC_TYPES_H__ */ |