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Diffstat (limited to 'include/acpi/acpi_bus.h')
-rw-r--r--include/acpi/acpi_bus.h47
1 files changed, 40 insertions, 7 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index c93bce46949..84a2e29a231 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -49,8 +49,8 @@ acpi_evaluate_reference(acpi_handle handle,
struct acpi_object_list *arguments,
struct acpi_handle_list *list);
acpi_status
-acpi_evaluate_hotplug_ost(acpi_handle handle, u32 source_event,
- u32 status_code, struct acpi_buffer *status_buf);
+acpi_evaluate_ost(acpi_handle handle, u32 source_event, u32 status_code,
+ struct acpi_buffer *status_buf);
acpi_status
acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld);
@@ -139,6 +139,18 @@ struct acpi_scan_handler {
};
/*
+ * ACPI Hotplug Context
+ * --------------------
+ */
+
+struct acpi_hotplug_context {
+ struct acpi_device *self;
+ int (*notify)(struct acpi_device *, u32);
+ void (*uevent)(struct acpi_device *, u32);
+ void (*fixup)(struct acpi_device *);
+};
+
+/*
* ACPI Driver
* -----------
*/
@@ -192,7 +204,9 @@ struct acpi_device_flags {
u32 initialized:1;
u32 visited:1;
u32 no_hotplug:1;
- u32 reserved:24;
+ u32 hotplug_notify:1;
+ u32 is_dock_station:1;
+ u32 reserved:22;
};
/* File System */
@@ -331,6 +345,7 @@ struct acpi_device {
struct acpi_device_perf performance;
struct acpi_device_dir dir;
struct acpi_scan_handler *handler;
+ struct acpi_hotplug_context *hp;
struct acpi_driver *driver;
void *driver_data;
struct device dev;
@@ -353,6 +368,24 @@ static inline void acpi_set_device_status(struct acpi_device *adev, u32 sta)
*((u32 *)&adev->status) = sta;
}
+static inline void acpi_set_hp_context(struct acpi_device *adev,
+ struct acpi_hotplug_context *hp,
+ int (*notify)(struct acpi_device *, u32),
+ void (*uevent)(struct acpi_device *, u32),
+ void (*fixup)(struct acpi_device *))
+{
+ hp->self = adev;
+ hp->notify = notify;
+ hp->uevent = uevent;
+ hp->fixup = fixup;
+ adev->hp = hp;
+}
+
+void acpi_initialize_hp_context(struct acpi_device *adev,
+ struct acpi_hotplug_context *hp,
+ int (*notify)(struct acpi_device *, u32),
+ void (*uevent)(struct acpi_device *, u32));
+
/* acpi_device.dev.bus == &acpi_bus_type */
extern struct bus_type acpi_bus_type;
@@ -383,6 +416,8 @@ extern int unregister_acpi_notifier(struct notifier_block *);
*/
int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device);
+struct acpi_device *acpi_bus_get_acpi_device(acpi_handle handle);
+void acpi_bus_put_acpi_device(struct acpi_device *adev);
acpi_status acpi_bus_get_status_handle(acpi_handle handle,
unsigned long long *sta);
int acpi_bus_get_status(struct acpi_device *device);
@@ -404,6 +439,8 @@ static inline bool acpi_bus_can_wakeup(acpi_handle handle) { return false; }
void acpi_scan_lock_acquire(void);
void acpi_scan_lock_release(void);
+void acpi_lock_hp_context(void);
+void acpi_unlock_hp_context(void);
int acpi_scan_add_handler(struct acpi_scan_handler *handler);
int acpi_bus_register_driver(struct acpi_driver *driver);
void acpi_bus_unregister_driver(struct acpi_driver *driver);
@@ -420,10 +457,6 @@ static inline bool acpi_device_enumerated(struct acpi_device *adev)
return adev && adev->flags.initialized && adev->flags.visited;
}
-typedef void (*acpi_hp_callback)(void *data, u32 src);
-
-acpi_status acpi_hotplug_execute(acpi_hp_callback func, void *data, u32 src);
-
/**
* module_acpi_driver(acpi_driver) - Helper macro for registering an ACPI driver
* @__acpi_driver: acpi_driver struct