vidix/sysdep/AsmMacros_arm32.h

   1 /*
   2    This file is based on:
   3    $XFree86: xc/programs/Xserver/hw/xfree86/drivers/chips/util/AsmMacros.h,v 1.1 2001/11/16 21:13:34 tsi Exp $
   4    Modified for readability by Nick Kurshev
   5 */
   6 /*
   7  * (c) Copyright 1993,1994 by David Wexelblat <dwex@xfree86.org>
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included in
  17  * all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * DAVID WEXELBLAT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  23  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  24  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  25  * SOFTWARE.
  26  *
  27  * Except as contained in this notice, the name of David Wexelblat shall not be
  28  * used in advertising or otherwise to promote the sale, use or other dealings
  29  * in this Software without prior written authorization from David Wexelblat.
  30  */
  31 /*
  32  * Copyright 1997
  33  * Digital Equipment Corporation. All rights reserved.
  34  * This software is furnished under license and may be used and copied only in
  35  * accordance with the following terms and conditions.  Subject to these
  36  * conditions, you may download, copy, install, use, modify and distribute
  37  * this software in source and/or binary form. No title or ownership is
  38  * transferred hereby.
  39  *
  40  * 1) Any source code used, modified or distributed must reproduce and retain
  41  *    this copyright notice and list of conditions as they appear in the source
  42  *    file.
  43  *
  44  * 2) No right is granted to use any trade name, trademark, or logo of Digital
  45  *    Equipment Corporation. Neither the "Digital Equipment Corporation" name
  46  *    nor any trademark or logo of Digital Equipment Corporation may be used
  47  *    to endorse or promote products derived from this software without the
  48  *    prior written permission of Digital Equipment Corporation.
  49  *
  50  * 3) This software is provided "AS-IS" and any express or implied warranties,
  51  *    including but not limited to, any implied warranties of merchantability,
  52  *    fitness for a particular purpose, or non-infringement are disclaimed. In
  53  *    no event shall DIGITAL be liable for any damages whatsoever, and in
  54  *    particular, DIGITAL shall not be liable for special, indirect,
  55  *    consequential, or incidental damages or damages for
  56  *    lost profits, loss of revenue or loss of use, whether such damages arise
  57  *    in contract,
  58  *    negligence, tort, under statute, in equity, at law or otherwise, even if
  59  *    advised of the possibility of such damage.
  60  */
  61
  62 #ifndef MPLAYER_ASMMACROS_ARM32_H
  63 #define MPLAYER_ASMMACROS_ARM32_H
  64
  65 unsigned int IOPortBase;  /* Memory mapped I/O port area */
  66
  67 static __inline__ void outb(short port,char val)
  68 {
  69          if ((unsigned short)port >= 0x400) return;
  70         *(volatile unsigned char*)(((unsigned short)(port))+IOPortBase) = val;
  71 }
  72
  73 static __inline__ void outw(short port,short val)
  74 {
  75          if ((unsigned short)port >= 0x400) return;
  76         *(volatile unsigned short*)(((unsigned short)(port))+IOPortBase) = val;
  77 }
  78
  79 static __inline__ void outl(short port,int val)
  80 {
  81          if ((unsigned short)port >= 0x400) return;
  82         *(volatile unsigned long*)(((unsigned short)(port))+IOPortBase) = val;
  83 }
  84
  85 static __inline__ unsigned int inb(short port)
  86 {
  87         if ((unsigned short)port >= 0x400) return (unsigned int)-1;
  88         return *(volatile unsigned char*)(((unsigned short)(port))+IOPortBase);
  89 }
  90
  91 static __inline__ unsigned int inw(short port)
  92 {
  93         if ((unsigned short)port >= 0x400) return (unsigned int)-1;
  94         return *(volatile unsigned short*)(((unsigned short)(port))+IOPortBase);
  95 }
  96
  97 static __inline__ unsigned int inl(short port)
  98 {
  99         if ((unsigned short)port >= 0x400) return (unsigned int)-1;
 100         return *(volatile unsigned long*)(((unsigned short)(port))+IOPortBase);
 101 }
 102
 103 #define intr_disable()
 104 #define intr_enable()
 105
 106 #endif /* MPLAYER_ASMMACROS_ARM32_H */