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Diffstat (limited to 'drivers/staging/vt6656/tmacro.h')
-rw-r--r-- | drivers/staging/vt6656/tmacro.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/drivers/staging/vt6656/tmacro.h b/drivers/staging/vt6656/tmacro.h new file mode 100644 index 00000000000..3d932a258dd --- /dev/null +++ b/drivers/staging/vt6656/tmacro.h | |||
@@ -0,0 +1,152 @@ | |||
1 | /* | ||
2 | * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. | ||
3 | * All rights reserved. | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify | ||
6 | * it under the terms of the GNU General Public License as published by | ||
7 | * the Free Software Foundation; either version 2 of the License, or | ||
8 | * (at your option) any later version. | ||
9 | * | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License along | ||
16 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
18 | * | ||
19 | * File: tmacro.h | ||
20 | * | ||
21 | * Purpose: define basic common types and macros | ||
22 | * | ||
23 | * Author: Tevin Chen | ||
24 | * | ||
25 | * Date: May 21, 1996 | ||
26 | * | ||
27 | */ | ||
28 | |||
29 | |||
30 | #ifndef __TMACRO_H__ | ||
31 | #define __TMACRO_H__ | ||
32 | |||
33 | |||
34 | #if !defined(__TTYPE_H__) | ||
35 | #include "ttype.h" | ||
36 | #endif | ||
37 | |||
38 | |||
39 | |||
40 | |||
41 | /****** Common helper macros ***********************************************/ | ||
42 | |||
43 | #if !defined(LONIBBLE) | ||
44 | #define LONIBBLE(b) ((BYTE)(b) & 0x0F) | ||
45 | #endif | ||
46 | #if !defined(HINIBBLE) | ||
47 | #define HINIBBLE(b) ((BYTE)(((WORD)(b) >> 4) & 0x0F)) | ||
48 | #endif | ||
49 | |||
50 | #if !defined(LOBYTE) | ||
51 | #define LOBYTE(w) ((BYTE)(w)) | ||
52 | #endif | ||
53 | #if !defined(HIBYTE) | ||
54 | #define HIBYTE(w) ((BYTE)(((WORD)(w) >> 8) & 0xFF)) | ||
55 | #endif | ||
56 | |||
57 | #if !defined(LOWORD) | ||
58 | #define LOWORD(d) ((WORD)(d)) | ||
59 | #endif | ||
60 | #if !defined(HIWORD) | ||
61 | #define HIWORD(d) ((WORD)((((DWORD)(d)) >> 16) & 0xFFFF)) | ||
62 | #endif | ||
63 | |||
64 | #define LODWORD(q) ((q).u.dwLowDword) | ||
65 | #define HIDWORD(q) ((q).u.dwHighDword) | ||
66 | |||
67 | |||
68 | |||
69 | #if !defined(MAKEBYTE) | ||
70 | #define MAKEBYTE(ln, hn) ((BYTE)(((BYTE)(ln) & 0x0F) | ((BYTE)(hn) << 4))) | ||
71 | #endif | ||
72 | #if !defined(MAKEWORD) | ||
73 | #define MAKEWORD(lb, hb) ((WORD)(((BYTE)(lb)) | (((WORD)((BYTE)(hb))) << 8))) | ||
74 | #endif | ||
75 | #if !defined(MAKEDWORD) | ||
76 | #define MAKEDWORD(lw, hw) ((DWORD)(((WORD)(lw)) | (((DWORD)((WORD)(hw))) << 16))) | ||
77 | #endif | ||
78 | #if !defined(MAKEQWORD) | ||
79 | #define MAKEQWORD(ld, hd, pq) {pq->u.dwLowDword = ld; pq->u.dwHighDword = hd;} | ||
80 | #endif | ||
81 | |||
82 | #if !defined(MAKELONG) | ||
83 | #define MAKELONG(low, high) ((LONG)(((WORD)(low)) | (((DWORD)((WORD)(high))) << 16))) | ||
84 | #endif | ||
85 | |||
86 | |||
87 | |||
88 | // Bytes Reverse: big endian to little endian convert | ||
89 | #if !defined(REVWORD) | ||
90 | #define REVWORD(w) ((WORD)( ((WORD)(w) >> 8) | ((WORD)(w) << 8) )) | ||
91 | #endif | ||
92 | #if !defined(REVDWORD) | ||
93 | #define REVDWORD(d) (MAKEDWORD(MAKEWORD(HIBYTE(HIWORD(d)),LOBYTE(HIWORD(d))),MAKEWORD(HIBYTE(LOWORD(d)),LOBYTE(LOWORD(d))))) | ||
94 | #endif | ||
95 | |||
96 | /* map to known network names */ | ||
97 | /* | ||
98 | #define ntohs(x) REVWORD(x) | ||
99 | #define ntohl(x) REVDWORD(x) | ||
100 | #define htons(x) REVWORD(x) | ||
101 | #define htonl(x) REVDWORD(x) | ||
102 | */ | ||
103 | |||
104 | |||
105 | /* | ||
106 | #ifndef NOMINMAX | ||
107 | #ifndef max | ||
108 | #define max(a,b) (((a) > (b)) ? (a) : (b)) | ||
109 | #endif | ||
110 | #ifndef min | ||
111 | #define min(a,b) (((a) < (b)) ? (a) : (b)) | ||
112 | #endif | ||
113 | #endif // NOMINMAX | ||
114 | */ | ||
115 | |||
116 | |||
117 | |||
118 | /****** Misc macros ********************************************************/ | ||
119 | |||
120 | // get the field offset in the type(struct, class, ...) | ||
121 | #define OFFSET(type, field) ((int)(&((type NEAR*)1)->field)-1) | ||
122 | |||
123 | |||
124 | /* string equality shorthand */ | ||
125 | #define STR_EQ(x, y) (strcmp(x, y) == 0) | ||
126 | #define STR_NE(x, y) (strcmp(x, y) != 0) | ||
127 | |||
128 | |||
129 | // calculate element # of array | ||
130 | #define ELEMENT_NUM(array) (sizeof(array) / sizeof(array[0])) | ||
131 | //#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0])) | ||
132 | |||
133 | |||
134 | // null statement | ||
135 | #define NULL_FUNC() | ||
136 | |||
137 | |||
138 | /* Since not all compilers support structure assignment, the ASSIGN() | ||
139 | * macro is used. This controls how it's actually implemented. | ||
140 | */ | ||
141 | #ifdef NOSTRUCTASSIGN /* Version for old compilers that don't support it */ | ||
142 | #define ASSIGN(a,b) memcpy((char *)&(a),(char *)&(b),sizeof(b); | ||
143 | #else /* Version for compilers that do */ | ||
144 | #define ASSIGN(a,b) ((a) = (b)) | ||
145 | #endif | ||
146 | |||
147 | |||
148 | |||
149 | |||
150 | #endif // __TMACRO_H__ | ||
151 | |||
152 | |||