/* * acpi_bus.h - ACPI Bus Driver ($Revision: 22 $) * * Copyright (C) 2001, 2002 Andy Grover * Copyright (C) 2001, 2002 Paul Diefenbaugh * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or (at * your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #ifndef __ACPI_BUS_H__ #define __ACPI_BUS_H__ #include #include "list.h" /* TBD: Make dynamic */ #define ACPI_MAX_HANDLES 10 struct acpi_handle_list { UINT32 count; ACPI_HANDLE handles[ACPI_MAX_HANDLES]; }; /* acpi_utils.h */ ACPI_STATUS acpi_extract_package ( ACPI_OBJECT *package, ACPI_BUFFER *format, ACPI_BUFFER *buffer); ACPI_STATUS 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); NTSTATUS acpi_create_volatile_registry_tables(void); enum acpi_bus_removal_type { 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_POWER, ACPI_BUS_TYPE_PROCESSOR, ACPI_BUS_TYPE_THERMAL, ACPI_BUS_TYPE_SYSTEM, ACPI_BUS_TYPE_POWER_BUTTON, ACPI_BUS_TYPE_SLEEP_BUTTON, ACPI_BUS_TYPE_POWER_BUTTONF, ACPI_BUS_TYPE_SLEEP_BUTTONF, ACPI_BUS_DEVICE_TYPE_COUNT }; 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_start) (struct acpi_device *device); 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 void (*acpi_op_notify) (struct acpi_device * device, UINT32 event); struct acpi_bus_ops { UINT32 acpi_op_add:1; UINT32 acpi_op_start:1; }; struct acpi_device_ops { acpi_op_add add; acpi_op_remove remove; acpi_op_start start; acpi_op_suspend suspend; acpi_op_resume resume; acpi_op_bind bind; acpi_op_unbind unbind; acpi_op_notify notify; acpi_op_scan scan; }; #define ACPI_DRIVER_ALL_NOTIFY_EVENTS 0x1 /* system AND device events */ struct acpi_driver { struct list_head node; char name[80]; char class[80]; int references; unsigned int flags; char *ids; /* Supported Hardware IDs */ struct acpi_device_ops ops; }; /* * ACPI Device * ----------- */ /* Status (_STA) */ struct acpi_device_status { UINT32 present:1; UINT32 enabled:1; UINT32 show_in_ui:1; UINT32 functional:1; UINT32 battery_present:1; UINT32 reserved:27; }; /* Flags */ struct acpi_device_flags { UINT32 dynamic_status:1; UINT32 hardware_id:1; UINT32 compatible_ids:1; UINT32 bus_address:1; UINT32 unique_id:1; UINT32 removable:1; UINT32 ejectable:1; UINT32 lockable:1; UINT32 surprise_removal_ok:1; UINT32 power_manageable:1; UINT32 performance_manageable:1; UINT32 wake_capable:1; UINT32 force_power_state:1; UINT32 reserved:20; }; /* Plug and Play */ typedef char acpi_bus_id[8]; typedef unsigned long acpi_bus_address; typedef char *acpi_hardware_id; 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 */ ACPI_PNP_DEVICE_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_adr(d) ((d)->pnp.bus_address) #define acpi_device_hid(d) ((d)->pnp.hardware_id) #define acpi_device_uid(d) ((d)->pnp.unique_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 { UINT32 explicit_get:1; /* _PSC present? */ UINT32 power_resources:1; /* Power resources */ UINT32 inrush_current:1; /* Serialize Dx->D0 */ UINT32 power_removed:1; /* Optimize Dx->D0 */ UINT32 reserved:28; }; struct acpi_device_power_state { struct { UINT8 valid:1; UINT8 explicit_set:1; /* _PSx present? */ UINT8 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 */ struct acpi_device_power_flags flags; struct acpi_device_power_state states[4]; /* Power states (D0-D3) */ }; /* Performance Management */ struct acpi_device_perf_flags { UINT8 reserved:8; }; struct acpi_device_perf_state { struct { UINT8 valid:1; UINT8 reserved:7; } flags; UINT8 power; /* % Power (compared to P0) */ UINT8 performance; /* % Performance ( " ) */ int latency; /* Px->P0 time (microseconds) */ }; struct acpi_device_perf { int state; struct acpi_device_perf_flags flags; int state_count; struct acpi_device_perf_state *states; }; /* Wakeup Management */ struct acpi_device_wakeup_flags { UINT8 valid:1; /* Can successfully enable wakeup? */ UINT8 run_wake:1; /* Run-Wake GPE devices */ }; struct acpi_device_wakeup_state { UINT8 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; int prepare_count; }; /* Device */ struct acpi_device { int device_type; ACPI_HANDLE handle; struct acpi_device *parent; struct list_head children; struct list_head node; struct list_head wakeup_list; struct acpi_device_status status; struct acpi_device_flags flags; struct acpi_device_pnp pnp; struct acpi_device_power power; struct acpi_device_wakeup wakeup; struct acpi_device_perf performance; struct acpi_device_ops ops; struct acpi_driver *driver; void *driver_data; 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) #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; UINT32 type; UINT32 data; }; /* * External Functions */ int acpi_bus_get_private_data(ACPI_HANDLE, void **); void acpi_bus_data_handler(ACPI_HANDLE handle, void *context); ACPI_STATUS acpi_bus_get_status_handle(ACPI_HANDLE handle, unsigned long long *sta); 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); BOOLEAN acpi_bus_power_manageable(ACPI_HANDLE handle); BOOLEAN acpi_bus_can_wakeup(ACPI_HANDLE handle); int acpi_bus_generate_proc_event(struct acpi_device *device, UINT8 type, int data); int acpi_bus_generate_event(struct acpi_device *device, UINT8 type, int data); int acpi_bus_receive_event(struct acpi_bus_event *event); 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_pnp_device_id *ids); int acpi_bus_get_device(ACPI_HANDLE handle, struct acpi_device **device); int acpi_init(void); ACPI_STATUS acpi_suspend (UINT32 state); /* * Bind physical devices with ACPI devices */ //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 acpi_pci_root { struct list_head node; struct acpi_device * device; struct acpi_pci_id id; struct pci_bus *bus; UINT16 segment; UINT8 bus_nr; UINT32 osc_support_set; /* _OSC state of support bits */ UINT32 osc_control_set; /* _OSC state of control bits */ UINT32 osc_control_qry; /* the latest _OSC query result */ UINT32 osc_queried:1; /* has _OSC control been queried? */ }; //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 -1; //} /* system defines: move to bigger header */ extern enum acpi_irq_model_id acpi_irq_model; enum acpi_irq_model_id { ACPI_IRQ_MODEL_PIC = 0, ACPI_IRQ_MODEL_IOAPIC, ACPI_IRQ_MODEL_IOSAPIC, ACPI_IRQ_MODEL_COUNT }; #endif /*__ACPI_BUS_H__*/