/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/atiio.h,v 1.14 2003/01/01 19:16:32 tsi Exp $ *//* * Copyright 1997 through 2003 by Marc Aurele La France (TSI @ UQV), tsi@xfree86.org * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that copyright * notice and this permission notice appear in supporting documentation, and * that the name of Marc Aurele La France not be used in advertising or * publicity pertaining to distribution of the software without specific, * written prior permission.  Marc Aurele La France makes no representations * about the suitability of this software for any purpose.  It is provided * "as-is" without express or implied warranty. * * MARC AURELE LA FRANCE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.  IN NO * EVENT SHALL MARC AURELE LA FRANCE BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */#ifndef ___ATIIO_H___#if !defined(___ATI_H___) && defined(XFree86Module)# error missing #include "ati.h" before #include "atiio.h"# undef XFree86Module#endif#define ___ATIIO_H___ 1#include "atiregs.h"#include "compiler.h"/* I/O decoding definitions */typedef enum{    SPARSE_IO,    BLOCK_IO} ATIIODecodingType;#ifndef AVOID_CPIO/* Wait until "n" queue entries are free */#define ibm8514WaitQueue(_n)                      \    {                                             \        while (inw(GP_STAT) & (0x0100U >> (_n))); \    }#define ATIWaitQueue(_n)                                    \    {                                                       \        while (inw(EXT_FIFO_STATUS) & (0x010000U >> (_n))); \    }/* Wait until GP is idle and queue is empty */#define WaitIdleEmpty()                      \    {                                        \        while (inw(GP_STAT) & (GPBUSY | 1)); \    }#define ProbeWaitIdleEmpty()              \    {                                     \        int _i;                           \        CARD16 _value;                    \        for (_i = 0;  _i < 100000;  _i++) \        {                                 \            _value = inw(GP_STAT);        \            if (_value == (CARD16)(-1))   \                break;                    \            if (!(_value & (GPBUSY | 1))) \                break;                    \        }                                 \    }/* Wait until GP has data available */#define WaitDataReady()                    \    {                                      \        while (!(inw(GP_STAT) & DATARDY)); \    }#endif /* AVOID_CPIO */#endif /* ___ATIIO_H___ */