drivers/staging/rtl8723bs/include/basic

/* [<][>][^][v][top][bottom][index][help] */
   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /******************************************************************************
   3  *
   4  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   5  *
   6  ******************************************************************************/
   7 #ifndef __BASIC_TYPES_H__
   8 #define __BASIC_TYPES_H__
   9 
  10 
  11 #define SUCCESS 0
  12 #define FAIL    (-1)
  13 
  14 #include <linux/types.h>
  15 
  16 typedef signed int sint;
  17 
  18 #define FIELD_OFFSET(s, field)  ((__kernel_ssize_t)&((s*)(0))->field)
  19 
  20 #define SIZE_PTR __kernel_size_t
  21 #define SSIZE_PTR __kernel_ssize_t
  22 
  23 /* port from fw by thomas */
  24 /*  TODO: Belows are Sync from SD7-Driver. It is necessary to check correctness */
  25 
  26 /*
  27  *Call endian free function when
  28  *      1. Read/write packet content.
  29  *      2. Before write integer to IO.
  30  *      3. After read integer from IO.
  31 */
  32 
  33 /*  */
  34 /*  Byte Swapping routine. */
  35 /*  */
  36 #define EF1Byte (u8)
  37 #define EF2Byte         le16_to_cpu
  38 #define EF4Byte le32_to_cpu
  39 
  40 /* Convert little data endian to host ordering */
  41 #define EF1BYTE(_val)           \
  42         ((u8)(_val))
  43 #define EF2BYTE(_val)           \
  44         (le16_to_cpu(_val))
  45 #define EF4BYTE(_val)           \
  46         (le32_to_cpu(_val))
  47 
  48 /* Read data from memory */
  49 #define READEF1BYTE(_ptr)       \
  50         EF1BYTE(*((u8 *)(_ptr)))
  51 /* Read le16 data from memory and convert to host ordering */
  52 #define READEF2BYTE(_ptr)       \
  53         EF2BYTE(*(_ptr))
  54 #define READEF4BYTE(_ptr)       \
  55         EF4BYTE(*(_ptr))
  56 
  57 /* Write data to memory */
  58 #define WRITEEF1BYTE(_ptr, _val)                        \
  59         do {                                            \
  60                 (*((u8 *)(_ptr))) = EF1BYTE(_val);      \
  61         } while (0)
  62 /* Write le data to memory in host ordering */
  63 #define WRITEEF2BYTE(_ptr, _val)                        \
  64         do {                                            \
  65                 (*((u16 *)(_ptr))) = EF2BYTE(_val);     \
  66         } while (0)
  67 
  68 #define WRITEEF4BYTE(_ptr, _val)                        \
  69         do {                                            \
  70                 (*((u32 *)(_ptr))) = EF2BYTE(_val);     \
  71         } while (0)
  72 
  73 /* Create a bit mask
  74  * Examples:
  75  * BIT_LEN_MASK_32(0) => 0x00000000
  76  * BIT_LEN_MASK_32(1) => 0x00000001
  77  * BIT_LEN_MASK_32(2) => 0x00000003
  78  * BIT_LEN_MASK_32(32) => 0xFFFFFFFF
  79  */
  80 #define BIT_LEN_MASK_32(__bitlen)        \
  81         (0xFFFFFFFF >> (32 - (__bitlen)))
  82 #define BIT_LEN_MASK_16(__bitlen)        \
  83         (0xFFFF >> (16 - (__bitlen)))
  84 #define BIT_LEN_MASK_8(__bitlen) \
  85         (0xFF >> (8 - (__bitlen)))
  86 
  87 /* Create an offset bit mask
  88  * Examples:
  89  * BIT_OFFSET_LEN_MASK_32(0, 2) => 0x00000003
  90  * BIT_OFFSET_LEN_MASK_32(16, 2) => 0x00030000
  91  */
  92 #define BIT_OFFSET_LEN_MASK_32(__bitoffset, __bitlen) \
  93         (BIT_LEN_MASK_32(__bitlen) << (__bitoffset))
  94 #define BIT_OFFSET_LEN_MASK_16(__bitoffset, __bitlen) \
  95         (BIT_LEN_MASK_16(__bitlen) << (__bitoffset))
  96 #define BIT_OFFSET_LEN_MASK_8(__bitoffset, __bitlen) \
  97         (BIT_LEN_MASK_8(__bitlen) << (__bitoffset))
  98 
  99 /*Description:
 100  * Return 4-byte value in host byte ordering from
 101  * 4-byte pointer in little-endian system.
 102  */
 103 #define LE_P4BYTE_TO_HOST_4BYTE(__pstart) \
 104         (EF4BYTE(*((__le32 *)(__pstart))))
 105 #define LE_P2BYTE_TO_HOST_2BYTE(__pstart) \
 106         (EF2BYTE(*((__le16 *)(__pstart))))
 107 #define LE_P1BYTE_TO_HOST_1BYTE(__pstart) \
 108         (EF1BYTE(*((u8 *)(__pstart))))
 109 
 110 /*  */
 111 /*      Description: */
 112 /*              Translate subfield (continuous bits in little-endian) of 4-byte value in litten byte to */
 113 /*              4-byte value in host byte ordering. */
 114 /*  */
 115 #define LE_BITS_TO_4BYTE(__pstart, __bitoffset, __bitlen) \
 116         (\
 117                 (LE_P4BYTE_TO_HOST_4BYTE(__pstart) >> (__bitoffset))  & \
 118                 BIT_LEN_MASK_32(__bitlen) \
 119         )
 120 #define LE_BITS_TO_2BYTE(__pstart, __bitoffset, __bitlen) \
 121         (\
 122                 (LE_P2BYTE_TO_HOST_2BYTE(__pstart) >> (__bitoffset)) & \
 123                 BIT_LEN_MASK_16(__bitlen) \
 124         )
 125 #define LE_BITS_TO_1BYTE(__pstart, __bitoffset, __bitlen) \
 126         (\
 127                 (LE_P1BYTE_TO_HOST_1BYTE(__pstart) >> (__bitoffset)) & \
 128                 BIT_LEN_MASK_8(__bitlen) \
 129         )
 130 
 131 /*  */
 132 /*      Description: */
 133 /*              Mask subfield (continuous bits in little-endian) of 4-byte value in litten byte oredering */
 134 /*              and return the result in 4-byte value in host byte ordering. */
 135 /*  */
 136 #define LE_BITS_CLEARED_TO_4BYTE(__pstart, __bitoffset, __bitlen) \
 137         (\
 138                 LE_P4BYTE_TO_HOST_4BYTE(__pstart)  & \
 139                 (~BIT_OFFSET_LEN_MASK_32(__bitoffset, __bitlen)) \
 140         )
 141 #define LE_BITS_CLEARED_TO_2BYTE(__pstart, __bitoffset, __bitlen) \
 142         (\
 143                 LE_P2BYTE_TO_HOST_2BYTE(__pstart) & \
 144                 (~BIT_OFFSET_LEN_MASK_16(__bitoffset, __bitlen)) \
 145         )
 146 #define LE_BITS_CLEARED_TO_1BYTE(__pstart, __bitoffset, __bitlen) \
 147         (\
 148                 LE_P1BYTE_TO_HOST_1BYTE(__pstart) & \
 149                 (~BIT_OFFSET_LEN_MASK_8(__bitoffset, __bitlen)) \
 150         )
 151 
 152 /*  */
 153 /*      Description: */
 154 /*              Set subfield of little-endian 4-byte value to specified value. */
 155 /*  */
 156 #define SET_BITS_TO_LE_4BYTE(__pstart, __bitoffset, __bitlen, __val) \
 157                 *((u32 *)(__pstart)) =                          \
 158                 (                                               \
 159                 LE_BITS_CLEARED_TO_4BYTE(__pstart, __bitoffset, __bitlen) | \
 160                 ((((u32)__val) & BIT_LEN_MASK_32(__bitlen)) << (__bitoffset)) \
 161                 )
 162 
 163 #define SET_BITS_TO_LE_2BYTE(__pstart, __bitoffset, __bitlen, __val) \
 164                 *((u16 *)(__pstart)) =                          \
 165                 (                                       \
 166                 LE_BITS_CLEARED_TO_2BYTE(__pstart, __bitoffset, __bitlen) | \
 167                 ((((u16)__val) & BIT_LEN_MASK_16(__bitlen)) << (__bitoffset)) \
 168                 );
 169 
 170 #define SET_BITS_TO_LE_1BYTE(__pstart, __bitoffset, __bitlen, __val) \
 171                 *((u8 *)(__pstart)) = EF1BYTE                   \
 172                 (                                       \
 173                 LE_BITS_CLEARED_TO_1BYTE(__pstart, __bitoffset, __bitlen) | \
 174                 ((((u8)__val) & BIT_LEN_MASK_8(__bitlen)) << (__bitoffset)) \
 175                 )
 176 
 177 #define LE_BITS_CLEARED_TO_1BYTE_8BIT(__pStart, __BitOffset, __BitLen) \
 178         (\
 179                 LE_P1BYTE_TO_HOST_1BYTE(__pStart) \
 180         )
 181 
 182 #define SET_BITS_TO_LE_1BYTE_8BIT(__pStart, __BitOffset, __BitLen, __Value) \
 183 { \
 184         *((u8 *)(__pStart)) = \
 185                 EF1Byte(\
 186                         LE_BITS_CLEARED_TO_1BYTE_8BIT(__pStart, __BitOffset, __BitLen) \
 187                         | \
 188                         ((u8)__Value) \
 189                 ); \
 190 }
 191 
 192 /*  Get the N-bytes aligment offset from the current length */
 193 #define N_BYTE_ALIGMENT(__Value, __Aligment) ((__Aligment == 1) ? (__Value) : (((__Value + __Aligment - 1) / __Aligment) * __Aligment))
 194 
 195 #define TEST_FLAG(__Flag, __testFlag)           (((__Flag) & (__testFlag)) != 0)
 196 #define SET_FLAG(__Flag, __setFlag)                     ((__Flag) |= __setFlag)
 197 #define CLEAR_FLAG(__Flag, __clearFlag)         ((__Flag) &= ~(__clearFlag))
 198 #define CLEAR_FLAGS(__Flag)                                     ((__Flag) = 0)
 199 #define TEST_FLAGS(__Flag, __testFlags)         (((__Flag) & (__testFlags)) == (__testFlags))
 200 
 201 #endif /* __BASIC_TYPES_H__ */
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/staging/rtl8723bs/include/basic_types.h

INCLUDED FROM
