#ifndef __ACPI_BUS_H__
#define __ACPI_BUS_H__
-#include <linux/kobject.h>
+#include <linux/device.h>
#include <acpi/acpi.h>
/* TBD: Make dynamic */
#define ACPI_MAX_HANDLES 10
struct acpi_handle_list {
- u32 count;
- acpi_handle handles[ACPI_MAX_HANDLES];
+ u32 count;
+ acpi_handle handles[ACPI_MAX_HANDLES];
};
-
/* acpi_utils.h */
acpi_status
-acpi_extract_package (
- union acpi_object *package,
- struct acpi_buffer *format,
- struct acpi_buffer *buffer);
+acpi_extract_package(union acpi_object *package,
+ struct acpi_buffer *format, struct acpi_buffer *buffer);
acpi_status
-acpi_evaluate_integer (
- acpi_handle handle,
- acpi_string pathname,
- struct acpi_object_list *arguments,
- unsigned long *data);
+acpi_evaluate_integer(acpi_handle handle,
+ acpi_string pathname,
+ struct acpi_object_list *arguments, unsigned long long *data);
acpi_status
-acpi_evaluate_reference (
- acpi_handle handle,
- acpi_string pathname,
- struct acpi_object_list *arguments,
- struct acpi_handle_list *list);
-
+acpi_evaluate_reference(acpi_handle handle,
+ acpi_string pathname,
+ struct acpi_object_list *arguments,
+ struct acpi_handle_list *list);
-#ifdef CONFIG_ACPI_BUS
+#ifdef CONFIG_ACPI
#include <linux/proc_fs.h>
#define ACPI_BUS_FILE_ROOT "acpi"
-extern struct proc_dir_entry *acpi_root_dir;
-extern FADT_DESCRIPTOR acpi_fadt;
+extern struct proc_dir_entry *acpi_root_dir;
enum acpi_bus_removal_type {
- ACPI_BUS_REMOVAL_NORMAL = 0,
+ ACPI_BUS_REMOVAL_NORMAL = 0,
ACPI_BUS_REMOVAL_EJECT,
ACPI_BUS_REMOVAL_SUPRISE,
ACPI_BUS_REMOVAL_TYPE_COUNT
};
enum acpi_bus_device_type {
- ACPI_BUS_TYPE_DEVICE = 0,
+ ACPI_BUS_TYPE_DEVICE = 0,
ACPI_BUS_TYPE_POWER,
ACPI_BUS_TYPE_PROCESSOR,
ACPI_BUS_TYPE_THERMAL,
struct acpi_driver;
struct acpi_device;
-
/*
* ACPI Driver
* -----------
*/
-typedef int (*acpi_op_add) (struct acpi_device *device);
-typedef int (*acpi_op_remove) (struct acpi_device *device, int type);
-typedef int (*acpi_op_lock) (struct acpi_device *device, int type);
-typedef int (*acpi_op_start) (struct acpi_device *device);
-typedef int (*acpi_op_stop) (struct acpi_device *device, int type);
-typedef int (*acpi_op_suspend) (struct acpi_device *device, int state);
-typedef int (*acpi_op_resume) (struct acpi_device *device, int state);
-typedef int (*acpi_op_scan) (struct acpi_device *device);
-typedef int (*acpi_op_bind) (struct acpi_device *device);
-typedef int (*acpi_op_unbind) (struct acpi_device *device);
-typedef int (*acpi_op_match) (struct acpi_device *device,
- struct acpi_driver *driver);
+typedef int (*acpi_op_add) (struct acpi_device * device);
+typedef int (*acpi_op_remove) (struct acpi_device * device, int type);
+typedef int (*acpi_op_lock) (struct acpi_device * device, int type);
+typedef int (*acpi_op_start) (struct acpi_device * device);
+typedef int (*acpi_op_stop) (struct acpi_device * device, int type);
+typedef int (*acpi_op_suspend) (struct acpi_device * device,
+ pm_message_t state);
+typedef int (*acpi_op_resume) (struct acpi_device * device);
+typedef int (*acpi_op_scan) (struct acpi_device * device);
+typedef int (*acpi_op_bind) (struct acpi_device * device);
+typedef int (*acpi_op_unbind) (struct acpi_device * device);
+typedef int (*acpi_op_shutdown) (struct acpi_device * device);
+
+struct acpi_bus_ops {
+ u32 acpi_op_add:1;
+ u32 acpi_op_remove:1;
+ u32 acpi_op_lock:1;
+ u32 acpi_op_start:1;
+ u32 acpi_op_stop:1;
+ u32 acpi_op_suspend:1;
+ u32 acpi_op_resume:1;
+ u32 acpi_op_scan:1;
+ u32 acpi_op_bind:1;
+ u32 acpi_op_unbind:1;
+ u32 acpi_op_shutdown:1;
+ u32 reserved:21;
+};
struct acpi_device_ops {
- acpi_op_add add;
- acpi_op_remove remove;
- acpi_op_lock lock;
- acpi_op_start start;
- acpi_op_stop stop;
- acpi_op_suspend suspend;
- acpi_op_resume resume;
- acpi_op_scan scan;
- acpi_op_bind bind;
- acpi_op_unbind unbind;
- acpi_op_match match;
+ acpi_op_add add;
+ acpi_op_remove remove;
+ acpi_op_lock lock;
+ acpi_op_start start;
+ acpi_op_stop stop;
+ acpi_op_suspend suspend;
+ acpi_op_resume resume;
+ acpi_op_scan scan;
+ acpi_op_bind bind;
+ acpi_op_unbind unbind;
+ acpi_op_shutdown shutdown;
};
struct acpi_driver {
- struct list_head node;
- char name[80];
- char class[80];
- atomic_t references;
- char *ids; /* Supported Hardware IDs */
- struct acpi_device_ops ops;
+ char name[80];
+ char class[80];
+ const struct acpi_device_id *ids; /* Supported Hardware IDs */
+ struct acpi_device_ops ops;
+ struct device_driver drv;
+ struct module *owner;
};
/*
/* Status (_STA) */
struct acpi_device_status {
- u32 present:1;
- u32 enabled:1;
- u32 show_in_ui:1;
- u32 functional:1;
- u32 battery_present:1;
- u32 reserved:27;
+ u32 present:1;
+ u32 enabled:1;
+ u32 show_in_ui:1;
+ u32 functional:1;
+ u32 battery_present:1;
+ u32 reserved:27;
};
-
/* Flags */
struct acpi_device_flags {
- u32 dynamic_status:1;
- u32 hardware_id:1;
- u32 compatible_ids:1;
- u32 bus_address:1;
- u32 unique_id:1;
- u32 removable:1;
- u32 ejectable:1;
- u32 lockable:1;
- u32 suprise_removal_ok:1;
- u32 power_manageable:1;
- u32 performance_manageable:1;
- u32 wake_capable:1; /* Wakeup(_PRW) supported? */
- u32 reserved:20;
+ u32 dynamic_status:1;
+ u32 hardware_id:1;
+ u32 compatible_ids:1;
+ u32 bus_address:1;
+ u32 unique_id:1;
+ u32 removable:1;
+ u32 ejectable:1;
+ u32 lockable:1;
+ u32 suprise_removal_ok:1;
+ u32 power_manageable:1;
+ u32 performance_manageable:1;
+ u32 wake_capable:1; /* Wakeup(_PRW) supported? */
+ u32 force_power_state:1;
+ u32 reserved:19;
};
-
/* File System */
struct acpi_device_dir {
- struct proc_dir_entry *entry;
+ struct proc_dir_entry *entry;
};
#define acpi_device_dir(d) ((d)->dir.entry)
-
/* Plug and Play */
-typedef char acpi_bus_id[5];
-typedef unsigned long acpi_bus_address;
-typedef char acpi_hardware_id[9];
-typedef char acpi_unique_id[9];
-typedef char acpi_device_name[40];
-typedef char acpi_device_class[20];
+typedef char acpi_bus_id[5];
+typedef unsigned long acpi_bus_address;
+typedef char acpi_hardware_id[15];
+typedef char acpi_unique_id[9];
+typedef char acpi_device_name[40];
+typedef char acpi_device_class[20];
struct acpi_device_pnp {
- acpi_bus_id bus_id; /* Object name */
- acpi_bus_address bus_address; /* _ADR */
- acpi_hardware_id hardware_id; /* _HID */
- struct acpi_compatible_id_list *cid_list; /* _CIDs */
- acpi_unique_id unique_id; /* _UID */
- acpi_device_name device_name; /* Driver-determined */
- acpi_device_class device_class; /* " */
+ acpi_bus_id bus_id; /* Object name */
+ acpi_bus_address bus_address; /* _ADR */
+ acpi_hardware_id hardware_id; /* _HID */
+ struct acpi_compatible_id_list *cid_list; /* _CIDs */
+ acpi_unique_id unique_id; /* _UID */
+ acpi_device_name device_name; /* Driver-determined */
+ acpi_device_class device_class; /* " */
};
#define acpi_device_bid(d) ((d)->pnp.bus_id)
#define acpi_device_name(d) ((d)->pnp.device_name)
#define acpi_device_class(d) ((d)->pnp.device_class)
-
/* Power Management */
struct acpi_device_power_flags {
- u32 explicit_get:1; /* _PSC present? */
- u32 power_resources:1; /* Power resources */
- u32 inrush_current:1; /* Serialize Dx->D0 */
- u32 power_removed:1; /* Optimize Dx->D0 */
- u32 reserved:28;
+ u32 explicit_get:1; /* _PSC present? */
+ u32 power_resources:1; /* Power resources */
+ u32 inrush_current:1; /* Serialize Dx->D0 */
+ u32 power_removed:1; /* Optimize Dx->D0 */
+ u32 reserved:28;
};
struct acpi_device_power_state {
struct {
- u8 valid:1;
- u8 explicit_set:1; /* _PSx present? */
- u8 reserved:6;
- } flags;
- int power; /* % Power (compared to D0) */
- int latency; /* Dx->D0 time (microseconds) */
- struct acpi_handle_list resources; /* Power resources referenced */
+ u8 valid:1;
+ u8 explicit_set:1; /* _PSx present? */
+ u8 reserved:6;
+ } flags;
+ int power; /* % Power (compared to D0) */
+ int latency; /* Dx->D0 time (microseconds) */
+ struct acpi_handle_list resources; /* Power resources referenced */
};
struct acpi_device_power {
- int state; /* Current state */
+ int state; /* Current state */
struct acpi_device_power_flags flags;
- struct acpi_device_power_state states[4]; /* Power states (D0-D3) */
+ struct acpi_device_power_state states[4]; /* Power states (D0-D3) */
};
-
/* Performance Management */
struct acpi_device_perf_flags {
- u8 reserved:8;
+ u8 reserved:8;
};
struct acpi_device_perf_state {
struct {
- u8 valid:1;
- u8 reserved:7;
- } flags;
- u8 power; /* % Power (compared to P0) */
- u8 performance; /* % Performance ( " ) */
- int latency; /* Px->P0 time (microseconds) */
+ u8 valid:1;
+ u8 reserved:7;
+ } flags;
+ u8 power; /* % Power (compared to P0) */
+ u8 performance; /* % Performance ( " ) */
+ int latency; /* Px->P0 time (microseconds) */
};
struct acpi_device_perf {
- int state;
+ int state;
struct acpi_device_perf_flags flags;
- int state_count;
+ int state_count;
struct acpi_device_perf_state *states;
};
/* Wakeup Management */
struct acpi_device_wakeup_flags {
- u8 valid:1; /* Can successfully enable wakeup? */
- u8 run_wake:1; /* Run-Wake GPE devices */
+ u8 valid:1; /* Can successfully enable wakeup? */
+ u8 prepared:1; /* Has the wake-up capability been enabled? */
+ u8 run_wake:1; /* Run-Wake GPE devices */
};
struct acpi_device_wakeup_state {
- u8 enabled:1;
- u8 active:1;
+ u8 enabled:1;
};
struct acpi_device_wakeup {
- acpi_handle gpe_device;
- acpi_integer gpe_number;;
- acpi_integer sleep_state;
- struct acpi_handle_list resources;
- struct acpi_device_wakeup_state state;
- struct acpi_device_wakeup_flags flags;
+ acpi_handle gpe_device;
+ acpi_integer gpe_number;
+ acpi_integer sleep_state;
+ struct acpi_handle_list resources;
+ struct acpi_device_wakeup_state state;
+ struct acpi_device_wakeup_flags flags;
};
/* Device */
struct acpi_device {
- acpi_handle handle;
- struct acpi_device *parent;
- struct list_head children;
- struct list_head node;
- struct list_head wakeup_list;
- struct list_head g_list;
+ acpi_handle handle;
+ struct acpi_device *parent;
+ struct list_head children;
+ struct list_head node;
+ struct list_head wakeup_list;
+ struct list_head g_list;
struct acpi_device_status status;
struct acpi_device_flags flags;
- struct acpi_device_pnp pnp;
+ struct acpi_device_pnp pnp;
struct acpi_device_power power;
struct acpi_device_wakeup wakeup;
- struct acpi_device_perf performance;
- struct acpi_device_dir dir;
- struct acpi_device_ops ops;
- struct acpi_driver *driver;
- void *driver_data;
- struct kobject kobj;
+ struct acpi_device_perf performance;
+ struct acpi_device_dir dir;
+ struct acpi_device_ops ops;
+ struct acpi_driver *driver;
+ void *driver_data;
+ struct device dev;
+ struct acpi_bus_ops bus_ops; /* workaround for different code path for hotplug */
+ enum acpi_bus_removal_type removal_type; /* indicate for different removal type */
};
-#define acpi_driver_data(d) ((d)->driver_data)
+static inline void *acpi_driver_data(struct acpi_device *d)
+{
+ return d->driver_data;
+}
+
+#define to_acpi_device(d) container_of(d, struct acpi_device, dev)
+#define to_acpi_driver(d) container_of(d, struct acpi_driver, drv)
+/* acpi_device.dev.bus == &acpi_bus_type */
+extern struct bus_type acpi_bus_type;
/*
* Events
*/
struct acpi_bus_event {
- struct list_head node;
- acpi_device_class device_class;
- acpi_bus_id bus_id;
- u32 type;
- u32 data;
+ struct list_head node;
+ acpi_device_class device_class;
+ acpi_bus_id bus_id;
+ u32 type;
+ u32 data;
};
-extern struct subsystem acpi_subsys;
+extern struct kobject *acpi_kobj;
+extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int);
+void acpi_bus_private_data_handler(acpi_handle, u32, void *);
+int acpi_bus_get_private_data(acpi_handle, void **);
+extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32);
+extern int register_acpi_notifier(struct notifier_block *);
+extern int unregister_acpi_notifier(struct notifier_block *);
+extern int register_acpi_bus_notifier(struct notifier_block *nb);
+extern void unregister_acpi_bus_notifier(struct notifier_block *nb);
/*
* External Functions
*/
int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device);
void acpi_bus_data_handler(acpi_handle handle, u32 function, void *context);
-int acpi_bus_get_status (struct acpi_device *device);
-int acpi_bus_get_power (acpi_handle handle, int *state);
-int acpi_bus_set_power (acpi_handle handle, int state);
-int acpi_bus_generate_event (struct acpi_device *device, u8 type, int data);
-int acpi_bus_receive_event (struct acpi_bus_event *event);
-int acpi_bus_register_driver (struct acpi_driver *driver);
-int acpi_bus_unregister_driver (struct acpi_driver *driver);
-int acpi_bus_scan (struct acpi_device *start);
-int acpi_bus_add (struct acpi_device **child, struct acpi_device *parent,
- acpi_handle handle, int type);
-
-
-int acpi_match_ids (struct acpi_device *device, char *ids);
+int acpi_bus_get_status(struct acpi_device *device);
+int acpi_bus_get_power(acpi_handle handle, int *state);
+int acpi_bus_set_power(acpi_handle handle, int state);
+bool acpi_bus_power_manageable(acpi_handle handle);
+bool acpi_bus_can_wakeup(acpi_handle handle);
+#ifdef CONFIG_ACPI_PROC_EVENT
+int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data);
+int acpi_bus_generate_proc_event4(const char *class, const char *bid, u8 type, int data);
+int acpi_bus_receive_event(struct acpi_bus_event *event);
+#else
+static inline int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data)
+ { return 0; }
+#endif
+int acpi_bus_register_driver(struct acpi_driver *driver);
+void acpi_bus_unregister_driver(struct acpi_driver *driver);
+int acpi_bus_add(struct acpi_device **child, struct acpi_device *parent,
+ acpi_handle handle, int type);
+int acpi_bus_trim(struct acpi_device *start, int rmdevice);
+int acpi_bus_start(struct acpi_device *device);
+acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle * ejd);
+int acpi_match_device_ids(struct acpi_device *device,
+ const struct acpi_device_id *ids);
int acpi_create_dir(struct acpi_device *);
void acpi_remove_dir(struct acpi_device *);
-#endif /*CONFIG_ACPI_BUS*/
+/*
+ * Bind physical devices with ACPI devices
+ */
+#include <linux/device.h>
+struct acpi_bus_type {
+ struct list_head list;
+ struct bus_type *bus;
+ /* For general devices under the bus */
+ int (*find_device) (struct device *, acpi_handle *);
+ /* For bridges, such as PCI root bridge, IDE controller */
+ int (*find_bridge) (struct device *, acpi_handle *);
+};
+int register_acpi_bus_type(struct acpi_bus_type *);
+int unregister_acpi_bus_type(struct acpi_bus_type *);
+struct device *acpi_get_physical_device(acpi_handle);
+struct device *acpi_get_physical_pci_device(acpi_handle);
+
+/* helper */
+acpi_handle acpi_get_child(acpi_handle, acpi_integer);
+acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int);
+#define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->archdata.acpi_handle))
+
+#ifdef CONFIG_PM_SLEEP
+int acpi_pm_device_sleep_state(struct device *, int *);
+int acpi_pm_device_sleep_wake(struct device *, bool);
+#else /* !CONFIG_PM_SLEEP */
+static inline int acpi_pm_device_sleep_state(struct device *d, int *p)
+{
+ if (p)
+ *p = ACPI_STATE_D0;
+ return ACPI_STATE_D3;
+}
+static inline int acpi_pm_device_sleep_wake(struct device *dev, bool enable)
+{
+ return -ENODEV;
+}
+#endif /* !CONFIG_PM_SLEEP */
+
+#endif /* CONFIG_ACPI */
#endif /*__ACPI_BUS_H__*/
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