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-rw-r--r--include/linux/acpi.h141
1 files changed, 135 insertions, 6 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 407a12f663eb..d7a5fcf9ef0f 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -28,6 +28,7 @@
#include <linux/errno.h>
#include <linux/ioport.h> /* for struct resource */
#include <linux/device.h>
+#include <linux/property.h>
#ifndef _LINUX
#define _LINUX
@@ -123,6 +124,10 @@ int acpi_numa_init (void);
int acpi_table_init (void);
int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
+int __init acpi_parse_entries(char *id, unsigned long table_size,
+ acpi_tbl_entry_handler handler,
+ struct acpi_table_header *table_header,
+ int entry_id, unsigned int max_entries);
int __init acpi_table_parse_entries(char *id, unsigned long table_size,
int entry_id,
acpi_tbl_entry_handler handler,
@@ -423,14 +428,11 @@ extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
const struct device *dev);
-static inline bool acpi_driver_match_device(struct device *dev,
- const struct device_driver *drv)
-{
- return !!acpi_match_device(drv->acpi_match_table, dev);
-}
-
+extern bool acpi_driver_match_device(struct device *dev,
+ const struct device_driver *drv);
int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
int acpi_device_modalias(struct device *, char *, int);
+void acpi_walk_dep_device_list(acpi_handle handle);
struct platform_device *acpi_create_platform_device(struct acpi_device *);
#define ACPI_PTR(_ptr) (_ptr)
@@ -443,6 +445,23 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *);
#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
#define ACPI_HANDLE(dev) (NULL)
+struct fwnode_handle;
+
+static inline bool is_acpi_node(struct fwnode_handle *fwnode)
+{
+ return false;
+}
+
+static inline struct acpi_device *acpi_node(struct fwnode_handle *fwnode)
+{
+ return NULL;
+}
+
+static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
+{
+ return NULL;
+}
+
static inline const char *acpi_dev_name(struct acpi_device *adev)
{
return NULL;
@@ -659,4 +678,114 @@ do { \
#endif
#endif
+struct acpi_gpio_params {
+ unsigned int crs_entry_index;
+ unsigned int line_index;
+ bool active_low;
+};
+
+struct acpi_gpio_mapping {
+ const char *name;
+ const struct acpi_gpio_params *data;
+ unsigned int size;
+};
+
+#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
+int acpi_dev_add_driver_gpios(struct acpi_device *adev,
+ const struct acpi_gpio_mapping *gpios);
+
+static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
+{
+ if (adev)
+ adev->driver_gpios = NULL;
+}
+#else
+static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
+ const struct acpi_gpio_mapping *gpios)
+{
+ return -ENXIO;
+}
+static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
+#endif
+
+/* Device properties */
+
+#define MAX_ACPI_REFERENCE_ARGS 8
+struct acpi_reference_args {
+ struct acpi_device *adev;
+ size_t nargs;
+ u64 args[MAX_ACPI_REFERENCE_ARGS];
+};
+
+#ifdef CONFIG_ACPI
+int acpi_dev_get_property(struct acpi_device *adev, const char *name,
+ acpi_object_type type, const union acpi_object **obj);
+int acpi_dev_get_property_array(struct acpi_device *adev, const char *name,
+ acpi_object_type type,
+ const union acpi_object **obj);
+int acpi_dev_get_property_reference(struct acpi_device *adev,
+ const char *name, size_t index,
+ struct acpi_reference_args *args);
+
+int acpi_dev_prop_get(struct acpi_device *adev, const char *propname,
+ void **valptr);
+int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
+ enum dev_prop_type proptype, void *val);
+int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
+ enum dev_prop_type proptype, void *val, size_t nval);
+
+struct acpi_device *acpi_get_next_child(struct device *dev,
+ struct acpi_device *child);
+#else
+static inline int acpi_dev_get_property(struct acpi_device *adev,
+ const char *name, acpi_object_type type,
+ const union acpi_object **obj)
+{
+ return -ENXIO;
+}
+static inline int acpi_dev_get_property_array(struct acpi_device *adev,
+ const char *name,
+ acpi_object_type type,
+ const union acpi_object **obj)
+{
+ return -ENXIO;
+}
+static inline int acpi_dev_get_property_reference(struct acpi_device *adev,
+ const char *name, const char *cells_name,
+ size_t index, struct acpi_reference_args *args)
+{
+ return -ENXIO;
+}
+
+static inline int acpi_dev_prop_get(struct acpi_device *adev,
+ const char *propname,
+ void **valptr)
+{
+ return -ENXIO;
+}
+
+static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
+ const char *propname,
+ enum dev_prop_type proptype,
+ void *val)
+{
+ return -ENXIO;
+}
+
+static inline int acpi_dev_prop_read(struct acpi_device *adev,
+ const char *propname,
+ enum dev_prop_type proptype,
+ void *val, size_t nval)
+{
+ return -ENXIO;
+}
+
+static inline struct acpi_device *acpi_get_next_child(struct device *dev,
+ struct acpi_device *child)
+{
+ return NULL;
+}
+
+#endif
+
#endif /*_LINUX_ACPI_H*/