include/asm-sparc/prom.h

   1 #ifndef _SPARC_PROM_H
   2 #define _SPARC_PROM_H
   3 #ifdef __KERNEL__
   4
   5 /*
   6  * Definitions for talking to the Open Firmware PROM on
   7  * Power Macintosh computers.
   8  *
   9  * Copyright (C) 1996-2005 Paul Mackerras.
  10  *
  11  * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
  12  * Updates for SPARC32 by David S. Miller
  13  *
  14  * This program is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU General Public License
  16  * as published by the Free Software Foundation; either version
  17  * 2 of the License, or (at your option) any later version.
  18  */
  19 #include <linux/types.h>
  20 #include <linux/proc_fs.h>
  21 #include <asm/atomic.h>
  22
  23 #define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 2
  24 #define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
  25
  26 #define of_compat_cmp(s1, s2, l)        strncmp((s1), (s2), (l))
  27 #define of_prop_cmp(s1, s2)             strcasecmp((s1), (s2))
  28 #define of_node_cmp(s1, s2)             strcmp((s1), (s2))
  29
  30 typedef u32 phandle;
  31 typedef u32 ihandle;
  32
  33 struct property {
  34         char    *name;
  35         int     length;
  36         void    *value;
  37         struct property *next;
  38         unsigned long _flags;
  39         unsigned int unique_id;
  40 };
  41
  42 struct device_node {
  43         const char      *name;
  44         const char      *type;
  45         phandle node;
  46         char    *path_component_name;
  47         char    *full_name;
  48
  49         struct  property *properties;
  50         struct  property *deadprops; /* removed properties */
  51         struct  device_node *parent;
  52         struct  device_node *child;
  53         struct  device_node *sibling;
  54         struct  device_node *next;      /* next device of same type */
  55         struct  device_node *allnext;   /* next in list of all nodes */
  56         struct  proc_dir_entry *pde;    /* this node's proc directory */
  57         struct  kref kref;
  58         unsigned long _flags;
  59         void    *data;
  60         unsigned int unique_id;
  61 };
  62
  63 #define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
  64 #define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
  65
  66 extern int of_set_property(struct device_node *node, const char *name, void *val, int len);
  67 extern int of_getintprop_default(struct device_node *np,
  68                                  const char *name,
  69                                  int def);
  70 extern int of_find_in_proplist(const char *list, const char *match, int len);
  71
  72 extern void prom_build_devicetree(void);
  73
  74 /* Dummy ref counting routines - to be implemented later */
  75 static inline struct device_node *of_node_get(struct device_node *node)
  76 {
  77         return node;
  78 }
  79 static inline void of_node_put(struct device_node *node)
  80 {
  81 }
  82
  83 /*
  84  * NB:  This is here while we transition from using asm/prom.h
  85  * to linux/of.h
  86  */
  87 #include <linux/of.h>
  88
  89 extern struct device_node *of_console_device;
  90 extern char *of_console_path;
  91 extern char *of_console_options;
  92
  93 #endif /* __KERNEL__ */
  94 #endif /* _SPARC_PROM_H */