diff options
| author | Kaleb Keithley <kaleb@freedesktop.org> | 2003-11-14 16:48:55 +0000 |
|---|---|---|
| committer | Kaleb Keithley <kaleb@freedesktop.org> | 2003-11-14 16:48:55 +0000 |
| commit | d09f463a5d1ce73e0b65d5276fbcca393fa2da46 (patch) | |
| tree | bb664ee5f34db07975530b32c7915074aa9515fe /src/atiio.h | |
| parent | d9af6dc32652502d84ea8da5d57a5ab45429c4ad (diff) | |
Initial revision
Diffstat (limited to 'src/atiio.h')
| -rw-r--r-- | src/atiio.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/atiio.h b/src/atiio.h new file mode 100644 index 0000000..f6f871b --- /dev/null +++ b/src/atiio.h @@ -0,0 +1,83 @@ +/* $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___ */ |