mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
174 lines
5.7 KiB
174 lines
5.7 KiB
/* SPDX-License-Identifier: GPL-2.0+ */ |
|
#ifndef _LINUX_OF_PRIVATE_H |
|
#define _LINUX_OF_PRIVATE_H |
|
/* |
|
* Private symbols used by OF support code |
|
* |
|
* Paul Mackerras August 1996. |
|
* Copyright (C) 1996-2005 Paul Mackerras. |
|
*/ |
|
|
|
#define FDT_ALIGN_SIZE 8 |
|
|
|
/** |
|
* struct alias_prop - Alias property in 'aliases' node |
|
* @link: List node to link the structure in aliases_lookup list |
|
* @alias: Alias property name |
|
* @np: Pointer to device_node that the alias stands for |
|
* @id: Index value from end of alias name |
|
* @stem: Alias string without the index |
|
* |
|
* The structure represents one alias property of 'aliases' node as |
|
* an entry in aliases_lookup list. |
|
*/ |
|
struct alias_prop { |
|
struct list_head link; |
|
const char *alias; |
|
struct device_node *np; |
|
int id; |
|
char stem[]; |
|
}; |
|
|
|
#if defined(CONFIG_SPARC) |
|
#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 2 |
|
#else |
|
#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1 |
|
#endif |
|
|
|
#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1 |
|
|
|
extern struct mutex of_mutex; |
|
extern struct list_head aliases_lookup; |
|
extern struct kset *of_kset; |
|
|
|
#if defined(CONFIG_OF_DYNAMIC) |
|
extern int of_property_notify(int action, struct device_node *np, |
|
struct property *prop, struct property *old_prop); |
|
extern void of_node_release(struct kobject *kobj); |
|
extern int __of_changeset_apply_entries(struct of_changeset *ocs, |
|
int *ret_revert); |
|
extern int __of_changeset_apply_notify(struct of_changeset *ocs); |
|
extern int __of_changeset_revert_entries(struct of_changeset *ocs, |
|
int *ret_apply); |
|
extern int __of_changeset_revert_notify(struct of_changeset *ocs); |
|
#else /* CONFIG_OF_DYNAMIC */ |
|
static inline int of_property_notify(int action, struct device_node *np, |
|
struct property *prop, struct property *old_prop) |
|
{ |
|
return 0; |
|
} |
|
#endif /* CONFIG_OF_DYNAMIC */ |
|
|
|
#if defined(CONFIG_OF_KOBJ) |
|
int of_node_is_attached(struct device_node *node); |
|
int __of_add_property_sysfs(struct device_node *np, struct property *pp); |
|
void __of_remove_property_sysfs(struct device_node *np, struct property *prop); |
|
void __of_update_property_sysfs(struct device_node *np, struct property *newprop, |
|
struct property *oldprop); |
|
int __of_attach_node_sysfs(struct device_node *np); |
|
void __of_detach_node_sysfs(struct device_node *np); |
|
#else |
|
static inline int __of_add_property_sysfs(struct device_node *np, struct property *pp) |
|
{ |
|
return 0; |
|
} |
|
static inline void __of_remove_property_sysfs(struct device_node *np, struct property *prop) {} |
|
static inline void __of_update_property_sysfs(struct device_node *np, |
|
struct property *newprop, struct property *oldprop) {} |
|
static inline int __of_attach_node_sysfs(struct device_node *np) |
|
{ |
|
return 0; |
|
} |
|
static inline void __of_detach_node_sysfs(struct device_node *np) {} |
|
#endif |
|
|
|
#if defined(CONFIG_OF_RESOLVE) |
|
int of_resolve_phandles(struct device_node *tree); |
|
#endif |
|
|
|
void __of_phandle_cache_inv_entry(phandle handle); |
|
|
|
#if defined(CONFIG_OF_OVERLAY) |
|
void of_overlay_mutex_lock(void); |
|
void of_overlay_mutex_unlock(void); |
|
#else |
|
static inline void of_overlay_mutex_lock(void) {}; |
|
static inline void of_overlay_mutex_unlock(void) {}; |
|
#endif |
|
|
|
#if defined(CONFIG_OF_UNITTEST) && defined(CONFIG_OF_OVERLAY) |
|
extern void __init unittest_unflatten_overlay_base(void); |
|
#else |
|
static inline void unittest_unflatten_overlay_base(void) {}; |
|
#endif |
|
|
|
extern void *__unflatten_device_tree(const void *blob, |
|
struct device_node *dad, |
|
struct device_node **mynodes, |
|
void *(*dt_alloc)(u64 size, u64 align), |
|
bool detached); |
|
|
|
/** |
|
* General utilities for working with live trees. |
|
* |
|
* All functions with two leading underscores operate |
|
* without taking node references, so you either have to |
|
* own the devtree lock or work on detached trees only. |
|
*/ |
|
struct property *__of_prop_dup(const struct property *prop, gfp_t allocflags); |
|
struct device_node *__of_node_dup(const struct device_node *np, |
|
const char *full_name); |
|
|
|
struct device_node *__of_find_node_by_path(struct device_node *parent, |
|
const char *path); |
|
struct device_node *__of_find_node_by_full_path(struct device_node *node, |
|
const char *path); |
|
|
|
extern const void *__of_get_property(const struct device_node *np, |
|
const char *name, int *lenp); |
|
extern int __of_add_property(struct device_node *np, struct property *prop); |
|
extern int __of_add_property_sysfs(struct device_node *np, |
|
struct property *prop); |
|
extern int __of_remove_property(struct device_node *np, struct property *prop); |
|
extern void __of_remove_property_sysfs(struct device_node *np, |
|
struct property *prop); |
|
extern int __of_update_property(struct device_node *np, |
|
struct property *newprop, struct property **oldprop); |
|
extern void __of_update_property_sysfs(struct device_node *np, |
|
struct property *newprop, struct property *oldprop); |
|
|
|
extern int __of_attach_node_sysfs(struct device_node *np); |
|
extern void __of_detach_node(struct device_node *np); |
|
extern void __of_detach_node_sysfs(struct device_node *np); |
|
|
|
extern void __of_sysfs_remove_bin_file(struct device_node *np, |
|
struct property *prop); |
|
|
|
/* illegal phandle value (set when unresolved) */ |
|
#define OF_PHANDLE_ILLEGAL 0xdeadbeef |
|
|
|
/* iterators for transactions, used for overlays */ |
|
/* forward iterator */ |
|
#define for_each_transaction_entry(_oft, _te) \ |
|
list_for_each_entry(_te, &(_oft)->te_list, node) |
|
|
|
/* reverse iterator */ |
|
#define for_each_transaction_entry_reverse(_oft, _te) \ |
|
list_for_each_entry_reverse(_te, &(_oft)->te_list, node) |
|
|
|
extern int of_bus_n_addr_cells(struct device_node *np); |
|
extern int of_bus_n_size_cells(struct device_node *np); |
|
|
|
struct bus_dma_region; |
|
#if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_HAS_DMA) |
|
int of_dma_get_range(struct device_node *np, |
|
const struct bus_dma_region **map); |
|
#else |
|
static inline int of_dma_get_range(struct device_node *np, |
|
const struct bus_dma_region **map) |
|
{ |
|
return -ENODEV; |
|
} |
|
#endif |
|
|
|
#endif /* _LINUX_OF_PRIVATE_H */
|
|
|