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80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
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#ifndef _SPARC64_PROM_H
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#define _SPARC64_PROM_H
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#ifdef __KERNEL__
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/*
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* Definitions for talking to the Open Firmware PROM on
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* Power Macintosh computers.
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*
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* Copyright (C) 1996-2005 Paul Mackerras.
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*
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* Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
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* Updates for SPARC64 by David S. Miller
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/types.h>
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#include <linux/proc_fs.h>
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#include <asm/atomic.h>
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typedef u32 phandle;
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typedef u32 ihandle;
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struct interrupt_info {
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int line;
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int sense; /* +ve/-ve logic, edge or level, etc. */
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};
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struct property {
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char *name;
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int length;
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void *value;
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struct property *next;
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};
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struct device_node {
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char *name;
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char *type;
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phandle node;
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phandle linux_phandle;
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int n_intrs;
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struct interrupt_info *intrs;
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char *path_component_name;
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char *full_name;
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struct property *properties;
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struct property *deadprops; /* removed properties */
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struct device_node *parent;
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struct device_node *child;
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struct device_node *sibling;
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struct device_node *next; /* next device of same type */
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struct device_node *allnext; /* next in list of all nodes */
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struct proc_dir_entry *pde; /* this node's proc directory */
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struct kref kref;
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unsigned long _flags;
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void *data;
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};
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static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de)
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{
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dn->pde = de;
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}
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extern struct device_node *of_find_node_by_path(const char *path);
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extern struct device_node *of_get_parent(const struct device_node *node);
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extern struct device_node *of_get_next_child(const struct device_node *node,
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struct device_node *prev);
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extern struct property *of_find_property(struct device_node *np,
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const char *name,
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int *lenp);
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extern void prom_build_devicetree(void);
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#endif /* __KERNEL__ */
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#endif /* _SPARC64_PROM_H */
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