Initial revision

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___ */