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 SPARC 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 of_irq_controller;
  43 struct device_node {
  44         const char      *name;
  45         const char      *type;
  46         phandle node;
  47         char    *path_component_name;
  48         char    *full_name;
  49
  50         struct  property *properties;
  51         struct  property *deadprops; /* removed properties */
  52         struct  device_node *parent;
  53         struct  device_node *child;
  54         struct  device_node *sibling;
  55         struct  device_node *next;      /* next device of same type */
  56         struct  device_node *allnext;   /* next in list of all nodes */
  57         struct  proc_dir_entry *pde;    /* this node's proc directory */
  58         struct  kref kref;
  59         unsigned long _flags;
  60         void    *data;
  61         unsigned int unique_id;
  62
  63         struct of_irq_controller *irq_trans;
  64 };
  65
  66 struct of_irq_controller {
  67         unsigned int    (*irq_build)(struct device_node *, unsigned int, void *);
  68         void            *data;
  69 };
  70
  71 #define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
  72 #define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
  73
  74 extern struct device_node *of_find_node_by_cpuid(int cpuid);
  75 extern int of_set_property(struct device_node *node, const char *name, void *val, int len);
  76 extern int of_getintprop_default(struct device_node *np,
  77                                  const char *name,
  78                                  int def);
  79 extern int of_find_in_proplist(const char *list, const char *match, int len);
  80
  81 extern void prom_build_devicetree(void);
  82
  83 /* Dummy ref counting routines - to be implemented later */
  84 static inline struct device_node *of_node_get(struct device_node *node)
  85 {
  86         return node;
  87 }
  88 static inline void of_node_put(struct device_node *node)
  89 {
  90 }
  91
  92 /*
  93  * NB:  This is here while we transition from using asm/prom.h
  94  * to linux/of.h
  95  */
  96 #include <linux/of.h>
  97
  98 extern struct device_node *of_console_device;
  99 extern char *of_console_path;
 100 extern char *of_console_options;
 101
 102 #endif /* __KERNEL__ */
 103 #endif /* _SPARC_PROM_H */