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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 000000000000..3d932a258dd1 --- /dev/null +++ b/drivers/staging/vt6656/tmacro.h @@ -0,0 +1,152 @@ +/* + * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * File: tmacro.h + * + * Purpose: define basic common types and macros + * + * Author: Tevin Chen + * + * Date: May 21, 1996 + * + */ + + +#ifndef __TMACRO_H__ +#define __TMACRO_H__ + + +#if !defined(__TTYPE_H__) +#include "ttype.h" +#endif + + + + +/****** Common helper macros ***********************************************/ + +#if !defined(LONIBBLE) +#define LONIBBLE(b) ((BYTE)(b) & 0x0F) +#endif +#if !defined(HINIBBLE) +#define HINIBBLE(b) ((BYTE)(((WORD)(b) >> 4) & 0x0F)) +#endif + +#if !defined(LOBYTE) +#define LOBYTE(w) ((BYTE)(w)) +#endif +#if !defined(HIBYTE) +#define HIBYTE(w) ((BYTE)(((WORD)(w) >> 8) & 0xFF)) +#endif + +#if !defined(LOWORD) +#define LOWORD(d) ((WORD)(d)) +#endif +#if !defined(HIWORD) +#define HIWORD(d) ((WORD)((((DWORD)(d)) >> 16) & 0xFFFF)) +#endif + +#define LODWORD(q) ((q).u.dwLowDword) +#define HIDWORD(q) ((q).u.dwHighDword) + + + +#if !defined(MAKEBYTE) +#define MAKEBYTE(ln, hn) ((BYTE)(((BYTE)(ln) & 0x0F) | ((BYTE)(hn) << 4))) +#endif +#if !defined(MAKEWORD) +#define MAKEWORD(lb, hb) ((WORD)(((BYTE)(lb)) | (((WORD)((BYTE)(hb))) << 8))) +#endif +#if !defined(MAKEDWORD) +#define MAKEDWORD(lw, hw) ((DWORD)(((WORD)(lw)) | (((DWORD)((WORD)(hw))) << 16))) +#endif +#if !defined(MAKEQWORD) +#define MAKEQWORD(ld, hd, pq) {pq->u.dwLowDword = ld; pq->u.dwHighDword = hd;} +#endif + +#if !defined(MAKELONG) +#define MAKELONG(low, high) ((LONG)(((WORD)(low)) | (((DWORD)((WORD)(high))) << 16))) +#endif + + + +// Bytes Reverse: big endian to little endian convert +#if !defined(REVWORD) +#define REVWORD(w) ((WORD)( ((WORD)(w) >> 8) | ((WORD)(w) << 8) )) +#endif +#if !defined(REVDWORD) +#define REVDWORD(d) (MAKEDWORD(MAKEWORD(HIBYTE(HIWORD(d)),LOBYTE(HIWORD(d))),MAKEWORD(HIBYTE(LOWORD(d)),LOBYTE(LOWORD(d))))) +#endif + +/* map to known network names */ +/* +#define ntohs(x) REVWORD(x) +#define ntohl(x) REVDWORD(x) +#define htons(x) REVWORD(x) +#define htonl(x) REVDWORD(x) +*/ + + +/* +#ifndef NOMINMAX +#ifndef max +#define max(a,b) (((a) > (b)) ? (a) : (b)) +#endif +#ifndef min +#define min(a,b) (((a) < (b)) ? (a) : (b)) +#endif +#endif // NOMINMAX +*/ + + + +/****** Misc macros ********************************************************/ + +// get the field offset in the type(struct, class, ...) +#define OFFSET(type, field) ((int)(&((type NEAR*)1)->field)-1) + + +/* string equality shorthand */ +#define STR_EQ(x, y) (strcmp(x, y) == 0) +#define STR_NE(x, y) (strcmp(x, y) != 0) + + +// calculate element # of array +#define ELEMENT_NUM(array) (sizeof(array) / sizeof(array[0])) +//#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0])) + + +// null statement +#define NULL_FUNC() + + +/* Since not all compilers support structure assignment, the ASSIGN() + * macro is used. This controls how it's actually implemented. + */ +#ifdef NOSTRUCTASSIGN /* Version for old compilers that don't support it */ +#define ASSIGN(a,b) memcpy((char *)&(a),(char *)&(b),sizeof(b); +#else /* Version for compilers that do */ +#define ASSIGN(a,b) ((a) = (b)) +#endif + + + + +#endif // __TMACRO_H__ + + |