1/* Public domain. */ 2 3#ifndef _LINUX_OF_H 4#define _LINUX_OF_H 5 6#ifdef __macppc__ 7static inline int 8of_machine_is_compatible(const char *model) 9{ 10 extern char *hw_prod; 11 return (strcmp(model, hw_prod) == 0); 12} 13#endif 14 15struct device_node { 16 const char *full_name; 17}; 18 19#define of_node dv_cfdata 20 21struct device_node *__of_get_compatible_child(void *, const char *); 22#define of_get_compatible_child(d, n) \ 23 __of_get_compatible_child(&(d), (n)) 24 25struct device_node *__of_get_child_by_name(void *, const char *); 26#define of_get_child_by_name(d, n) \ 27 __of_get_child_by_name(&(d), (n)) 28 29#define of_node_put(p) 30 31struct device_node *__of_devnode(void *); 32#define __of_node(arg) \ 33 __builtin_types_compatible_p(typeof(arg), struct device_node *) ? \ 34 (struct device_node *)arg : __of_devnode(&arg) 35 36int __of_property_present(struct device_node *, const char *); 37#define of_property_present(n, p) \ 38 __of_property_present(__of_node(n), (p)) 39 40int __of_property_read_variable_u32_array(struct device_node *, 41 const char *, uint32_t *, size_t, size_t); 42#define of_property_read_u32(n, p, o) \ 43 __of_property_read_variable_u32_array(__of_node(n), (p), (o), 1, 1) 44#define of_property_read_variable_u32_array(n, p, o, l, h) \ 45 __of_property_read_variable_u32_array(__of_node(n), (p), (o), (l), (h)) 46 47int __of_property_read_variable_u64_array(struct device_node *, 48 const char *, uint64_t *, size_t, size_t); 49#define of_property_read_u64(n, p, o) \ 50 __of_property_read_variable_u64_array(__of_node(n), (p), (o), 1, 1) 51 52int __of_property_match_string(struct device_node *, 53 const char *, const char *); 54#define of_property_match_string(n, a, b) \ 55 __of_property_match_string(__of_node(n), (a), (b)) 56 57struct device_node *__of_parse_phandle(struct device_node *, 58 const char *, int); 59#define of_parse_phandle(n, a, b) \ 60 __of_parse_phandle(__of_node(n), (a), (b)) 61 62struct of_phandle_args { 63 struct device_node *np; 64 int args_count; 65 uint32_t args[5]; 66}; 67 68int __of_parse_phandle_with_args(struct device_node *, 69 const char *, const char *, int, struct of_phandle_args *); 70#define of_parse_phandle_with_args(n, a, b, c, d) \ 71 __of_parse_phandle_with_args(__of_node(n), (a), (b), (c), (d)) 72 73int of_device_is_available(struct device_node *); 74 75struct of_device_id { 76 const char *compatible; 77 const void *data; 78}; 79 80struct device_node *__matching_node(struct device_node *, 81 const struct of_device_id *); 82#define for_each_matching_node(a, b) \ 83 for (a = __matching_node(NULL, b); a; a = __matching_node(a, b)) 84 85#endif 86