patch-2.3.48 linux/include/asm-mips64/xtalk/xtalk.h

• Lines: 54
• Date: Thu Feb 24 22:53:35 2000
• Orig file: v2.3.47/linux/include/asm-mips64/xtalk/xtalk.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.47/linux/include/asm-mips64/xtalk/xtalk.h linux/include/asm-mips64/xtalk/xtalk.h
@@ -0,0 +1,53 @@
+/* $Id: xtalk.h,v 1.1 2000/01/13 00:17:02 ralf Exp $
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * xtalk.h -- platform-independent crosstalk interface, derived from
+ * IRIX <sys/PCI/bridge.h>, revision 1.38.
+ *
+ * Copyright (C) 1995 - 1997, 1999 Silcon Graphics, Inc.
+ * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
+ */
+#ifndef _ASM_XTALK_XTALK_H
+#define _ASM_XTALK_XTALK_H
+
+#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
+/*
+ * User-level device driver visible types
+ */
+typedef char            xwidgetnum_t;	/* xtalk widget number  (0..15) */
+
+#define XWIDGET_NONE		-1
+
+typedef int xwidget_part_num_t;	/* xtalk widget part number */
+
+#define XWIDGET_PART_NUM_NONE	-1
+
+typedef int             xwidget_rev_num_t;	/* xtalk widget revision number */
+
+#define XWIDGET_REV_NUM_NONE	-1
+
+typedef int xwidget_mfg_num_t;	/* xtalk widget manufacturing ID */
+
+#define XWIDGET_MFG_NUM_NONE	-1
+
+typedef struct xtalk_piomap_s *xtalk_piomap_t;
+
+/* It is often convenient to fold the XIO target port
+ * number into the XIO address.
+ */
+#define	XIO_NOWHERE	(0xFFFFFFFFFFFFFFFFull)
+#define	XIO_ADDR_BITS	(0x0000FFFFFFFFFFFFull)
+#define	XIO_PORT_BITS	(0xF000000000000000ull)
+#define	XIO_PORT_SHIFT	(60)
+
+#define	XIO_PACKED(x)	(((x)&XIO_PORT_BITS) != 0)
+#define	XIO_ADDR(x)	((x)&XIO_ADDR_BITS)
+#define	XIO_PORT(x)	((xwidgetnum_t)(((x)&XIO_PORT_BITS) >> XIO_PORT_SHIFT))
+#define	XIO_PACK(p,o)	((((uint64_t)(p))<<XIO_PORT_SHIFT) | ((o)&XIO_ADDR_BITS))
+
+#endif /* _LANGUAGE_C */
+
+#endif /* _ASM_XTALK_XTALK_H */