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-rw-r--r--sys/i386/pci/pcibios.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/sys/i386/pci/pcibios.h b/sys/i386/pci/pcibios.h
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+++ b/sys/i386/pci/pcibios.h
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+/**************************************************************************
+**
+** $Id: pcibios.h,v 2.0 94/07/10 15:53:32 wolf Rel $
+**
+** #define for pci-bus bios functions.
+**
+**-------------------------------------------------------------------------
+**
+** Copyright (c) 1994 Wolfgang Stanglmeier, Koeln, Germany
+** <wolf@dentaro.GUN.de>
+**
+** This is a beta version - use with care.
+**
+**-------------------------------------------------------------------------
+**
+** $Log: pcibios.h,v $
+** Revision 2.0 94/07/10 15:53:32 wolf
+** FreeBSD release.
+**
+** Revision 1.0 94/06/07 20:02:23 wolf
+** Beta release.
+**
+***************************************************************************
+*/
+
+#ifndef __PCIBIOS_H__
+#define __PCIBIOS_H__
+
+/*
+** the availability of a pci bus.
+** configuration mode (1 or 2)
+** 0 if no pci bus found.
+*/
+
+int pci_conf_mode (void);
+
+/*
+** get a "ticket" for accessing a pci device
+** configuration space.
+*/
+
+pcici_t pcitag (unsigned char bus,
+ unsigned char device,
+ unsigned char func);
+
+/*
+** read or write the configuration space.
+*/
+
+u_long pci_conf_read (pcici_t tag, u_long reg );
+void pci_conf_write (pcici_t tag, u_long reg, u_long data);
+
+#endif