WebSVN – Kolibri OS – Diff – /drivers/include/linux/property.h

 /*
  * property.h - Unified device property interface.
+ *
  * Copyright (C) 2014, Intel Corporation
  * Authors: Rafael J. Wysocki
  *          Mika Westerberg
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
 #ifndef _LINUX_PROPERTY_H_
 #define _LINUX_PROPERTY_H_
 #include
 #include
 struct device;
 enum dev_prop_type {
 	DEV_PROP_U8,
 	DEV_PROP_U16,
 	DEV_PROP_U32,
 	DEV_PROP_U64,
 	DEV_PROP_STRING,
 	DEV_PROP_MAX,
 };
 enum dev_dma_attr {
 	DEV_DMA_NOT_SUPPORTED,
 	DEV_DMA_NON_COHERENT,
 	DEV_DMA_COHERENT,
 };
 bool device_property_present(struct device *dev, const char *propname);
 int device_property_read_u8_array(struct device *dev, const char *propname,
 				  u8 *val, size_t nval);
 int device_property_read_u16_array(struct device *dev, const char *propname,
 				   u16 *val, size_t nval);
 int device_property_read_u32_array(struct device *dev, const char *propname,
 				   u32 *val, size_t nval);
 int device_property_read_u64_array(struct device *dev, const char *propname,
 				   u64 *val, size_t nval);
 int device_property_read_string_array(struct device *dev, const char *propname,
 				      const char **val, size_t nval);
 int device_property_read_string(struct device *dev, const char *propname,
 				const char **val);
 int device_property_match_string(struct device *dev,
 				 const char *propname, const char *string);
 bool fwnode_property_present(struct fwnode_handle *fwnode, const char *propname);
 int fwnode_property_read_u8_array(struct fwnode_handle *fwnode,
 				  const char *propname, u8 *val,
 				  size_t nval);
 int fwnode_property_read_u16_array(struct fwnode_handle *fwnode,
 				   const char *propname, u16 *val,
 				   size_t nval);
 int fwnode_property_read_u32_array(struct fwnode_handle *fwnode,
 				   const char *propname, u32 *val,
 				   size_t nval);
 int fwnode_property_read_u64_array(struct fwnode_handle *fwnode,
 				   const char *propname, u64 *val,
 				   size_t nval);
 int fwnode_property_read_string_array(struct fwnode_handle *fwnode,
 				      const char *propname, const char **val,
 				      size_t nval);
 int fwnode_property_read_string(struct fwnode_handle *fwnode,
 				const char *propname, const char **val);
 int fwnode_property_match_string(struct fwnode_handle *fwnode,
 				 const char *propname, const char *string);
 struct fwnode_handle *device_get_next_child_node(struct device *dev,
 						 struct fwnode_handle *child);
 #define device_for_each_child_node(dev, child) \
 	for (child = device_get_next_child_node(dev, NULL); child; \
 	     child = device_get_next_child_node(dev, child))
 void fwnode_handle_put(struct fwnode_handle *fwnode);
 unsigned int device_get_child_node_count(struct device *dev);
 static inline bool device_property_read_bool(struct device *dev,
 					     const char *propname)
+{
 	return device_property_present(dev, propname);
+}
 static inline int device_property_read_u8(struct device *dev,
 					  const char *propname, u8 *val)
+{
 	return device_property_read_u8_array(dev, propname, val, 1);
+}
 static inline int device_property_read_u16(struct device *dev,
 					   const char *propname, u16 *val)
+{
 	return device_property_read_u16_array(dev, propname, val, 1);
+}
 static inline int device_property_read_u32(struct device *dev,
 					   const char *propname, u32 *val)
+{
 	return device_property_read_u32_array(dev, propname, val, 1);
+}
 static inline int device_property_read_u64(struct device *dev,
 					   const char *propname, u64 *val)
+{
 	return device_property_read_u64_array(dev, propname, val, 1);
+}
 static inline bool fwnode_property_read_bool(struct fwnode_handle *fwnode,
 					     const char *propname)
+{
 	return fwnode_property_present(fwnode, propname);
+}
 static inline int fwnode_property_read_u8(struct fwnode_handle *fwnode,
 					  const char *propname, u8 *val)
+{
 	return fwnode_property_read_u8_array(fwnode, propname, val, 1);
+}
 static inline int fwnode_property_read_u16(struct fwnode_handle *fwnode,
 					   const char *propname, u16 *val)
+{
 	return fwnode_property_read_u16_array(fwnode, propname, val, 1);
+}
 static inline int fwnode_property_read_u32(struct fwnode_handle *fwnode,
 					   const char *propname, u32 *val)
+{
 	return fwnode_property_read_u32_array(fwnode, propname, val, 1);
+}
 static inline int fwnode_property_read_u64(struct fwnode_handle *fwnode,
 					   const char *propname, u64 *val)
+{
 	return fwnode_property_read_u64_array(fwnode, propname, val, 1);
+}
 /**
  * struct property_entry - "Built-in" device property representation.
  * @name: Name of the property.
+ * @length: Length of data making up the value.
- * @type: Type of the property.
+ * @is_array: True when the property is an array.
+ * @is_string: True when property is a string.
- * @nval: Number of items of type @type making up the value.
+ * @pointer: Pointer to the property (an array of items of the given type).
- * @value: Value of the property (an array of @nval items of type @type).
+ * @value: Value of the property (when it is a single item of the given type).
  */
 struct property_entry {
 	const char *name;
-	enum dev_prop_type type;
+	size_t length;
-	size_t nval;
+	bool is_array;
+	bool is_string;
+	union {
 	union {
 		void *raw_data;
 		u8 *u8_data;
 		u16 *u16_data;
 		u32 *u32_data;
 		u64 *u64_data;
 		const char **str;
+		} pointer;
+		union {
+			unsigned long long raw_data;
+			u8 u8_data;
+			u16 u16_data;
+			u32 u32_data;
+			u64 u64_data;
+			const char *str;
 	} value;
 };
+};
+/*
+ * Note: the below four initializers for the anonymous union are carefully
+ * crafted to avoid gcc-4.4.4's problems with initialization of anon unions
+ * and structs.
+ */
+#define PROPERTY_ENTRY_INTEGER_ARRAY(_name_, _type_, _val_)	\
+{								\
+	.name = _name_,						\
+	.length = ARRAY_SIZE(_val_) * sizeof(_type_),		\
+	.is_array = true,					\
+	.is_string = false,					\
+	{ .pointer = { _type_##_data = _val_ } },		\
+}
+#define PROPERTY_ENTRY_U8_ARRAY(_name_, _val_)			\
+	PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u8, _val_)
+#define PROPERTY_ENTRY_U16_ARRAY(_name_, _val_)			\
+	PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u16, _val_)
+#define PROPERTY_ENTRY_U32_ARRAY(_name_, _val_)			\
+	PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u32, _val_)
+#define PROPERTY_ENTRY_U64_ARRAY(_name_, _val_)			\
+	PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u64, _val_)
+#define PROPERTY_ENTRY_STRING_ARRAY(_name_, _val_)		\
+{								\
+	.name = _name_,						\
+	.length = ARRAY_SIZE(_val_) * sizeof(const char *),	\
+	.is_array = true,					\
+	.is_string = true,					\
+	{ .pointer = { .str = _val_ } },			\
+}
+#define PROPERTY_ENTRY_INTEGER(_name_, _type_, _val_)	\
+{							\
+	.name = _name_,					\
+	.length = sizeof(_type_),			\
+	.is_string = false,				\
+	{ .value = { ._type_##_data = _val_ } },	\
+}
+#define PROPERTY_ENTRY_U8(_name_, _val_)		\
+	PROPERTY_ENTRY_INTEGER(_name_, u8, _val_)
+#define PROPERTY_ENTRY_U16(_name_, _val_)		\
+	PROPERTY_ENTRY_INTEGER(_name_, u16, _val_)
+#define PROPERTY_ENTRY_U32(_name_, _val_)		\
+	PROPERTY_ENTRY_INTEGER(_name_, u32, _val_)
+#define PROPERTY_ENTRY_U64(_name_, _val_)		\
+	PROPERTY_ENTRY_INTEGER(_name_, u64, _val_)
+#define PROPERTY_ENTRY_STRING(_name_, _val_)		\
+{							\
+	.name = _name_,					\
+	.length = sizeof(_val_),			\
+	.is_string = true,				\
+	{ .value = { .str = _val_ } },			\
+}
+#define PROPERTY_ENTRY_BOOL(_name_)		\
+{						\
+	.name = _name_,				\
+}
 /**
  * struct property_set - Collection of "built-in" device properties.
  * @fwnode: Handle to be pointed to by the fwnode field of struct device.
  * @properties: Array of properties terminated with a null entry.
  */
 struct property_set {
 	struct fwnode_handle fwnode;
 	struct property_entry *properties;
 };
+int device_add_property_set(struct device *dev, const struct property_set *pset);
-void device_add_property_set(struct device *dev, struct property_set *pset);
+void device_remove_property_set(struct device *dev);
 bool device_dma_supported(struct device *dev);
 enum dev_dma_attr device_get_dma_attr(struct device *dev);
 int device_get_phy_mode(struct device *dev);
 void *device_get_mac_address(struct device *dev, char *addr, int alen);
 #endif /* _LINUX_PROPERTY_H_ */

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(root)/drivers/include/linux/property.h – Rev 6588 → 6936