2 * acpi_bus.h - ACPI Bus Driver ($Revision: 22 $)
4 * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
5 * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
7 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or (at
12 * your option) any later version.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write to the Free Software Foundation, Inc.,
21 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
23 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
26 #ifndef __ACPI_BUS_H__
27 #define __ACPI_BUS_H__
34 /* TBD: Make dynamic */
35 #define ACPI_MAX_HANDLES 10
36 struct acpi_handle_list
{
38 ACPI_HANDLE handles
[ACPI_MAX_HANDLES
];
44 acpi_extract_package (
49 acpi_evaluate_integer (
52 struct acpi_object_list
*arguments
,
53 unsigned long long *data
);
55 acpi_evaluate_reference (
58 struct acpi_object_list
*arguments
,
59 struct acpi_handle_list
*list
);
61 enum acpi_bus_removal_type
{
62 ACPI_BUS_REMOVAL_NORMAL
= 0,
63 ACPI_BUS_REMOVAL_EJECT
,
64 ACPI_BUS_REMOVAL_SUPRISE
,
65 ACPI_BUS_REMOVAL_TYPE_COUNT
68 enum acpi_bus_device_type
{
69 ACPI_BUS_TYPE_DEVICE
= 0,
71 ACPI_BUS_TYPE_PROCESSOR
,
72 ACPI_BUS_TYPE_THERMAL
,
74 ACPI_BUS_TYPE_POWER_BUTTON
,
75 ACPI_BUS_TYPE_SLEEP_BUTTON
,
76 ACPI_BUS_TYPE_POWER_BUTTONF
,
77 ACPI_BUS_TYPE_SLEEP_BUTTONF
,
78 ACPI_BUS_DEVICE_TYPE_COUNT
90 typedef int (*acpi_op_add
) (struct acpi_device
*device
);
91 typedef int (*acpi_op_remove
) (struct acpi_device
*device
, int type
);
92 typedef int (*acpi_op_start
) (struct acpi_device
*device
);
93 typedef int (*acpi_op_suspend
) (struct acpi_device
*device
, int state
);
94 typedef int (*acpi_op_resume
) (struct acpi_device
*device
, int state
);
95 typedef int (*acpi_op_scan
) (struct acpi_device
*device
);
96 typedef int (*acpi_op_bind
) (struct acpi_device
*device
);
97 typedef int (*acpi_op_unbind
) (struct acpi_device
* device
);
98 typedef void (*acpi_op_notify
) (struct acpi_device
* device
, UINT32 event
);
100 struct acpi_bus_ops
{
101 UINT32 acpi_op_add
:1;
102 UINT32 acpi_op_start
:1;
105 struct acpi_device_ops
{
107 acpi_op_remove remove
;
109 acpi_op_suspend suspend
;
110 acpi_op_resume resume
;
112 acpi_op_unbind unbind
;
113 acpi_op_notify notify
;
117 #define ACPI_DRIVER_ALL_NOTIFY_EVENTS 0x1 /* system AND device events */
120 struct list_head node
;
125 char *ids
; /* Supported Hardware IDs */
126 struct acpi_device_ops ops
;
136 struct acpi_device_status
{
141 UINT32 battery_present
:1;
148 struct acpi_device_flags
{
149 UINT32 dynamic_status
:1;
150 UINT32 hardware_id
:1;
151 UINT32 compatible_ids
:1;
152 UINT32 bus_address
:1;
157 UINT32 suprise_removal_ok
:1;
158 UINT32 power_manageable
:1;
159 UINT32 performance_manageable
:1;
160 UINT32 wake_capable
:1;
161 UINT32 force_power_state
:1;
167 typedef char acpi_bus_id
[8];
168 typedef unsigned long acpi_bus_address
;
169 typedef char acpi_hardware_id
[9];
170 typedef char acpi_unique_id
[9];
171 typedef char acpi_device_name
[40];
172 typedef char acpi_device_class
[20];
174 struct acpi_device_pnp
{
175 acpi_bus_id bus_id
; /* Object name */
176 acpi_bus_address bus_address
; /* _ADR */
177 acpi_hardware_id hardware_id
; /* _HID */
178 ACPI_DEVICE_ID_LIST
*cid_list
; /* _CIDs */
179 acpi_unique_id unique_id
; /* _UID */
180 acpi_device_name device_name
; /* Driver-determined */
181 acpi_device_class device_class
; /* " */
184 #define acpi_device_bid(d) ((d)->pnp.bus_id)
185 #define acpi_device_adr(d) ((d)->pnp.bus_address)
186 #define acpi_device_hid(d) ((d)->pnp.hardware_id)
187 #define acpi_device_uid(d) ((d)->pnp.unique_id)
188 #define acpi_device_name(d) ((d)->pnp.device_name)
189 #define acpi_device_class(d) ((d)->pnp.device_class)
192 /* Power Management */
194 struct acpi_device_power_flags
{
195 UINT32 explicit_get
:1; /* _PSC present? */
196 UINT32 power_resources
:1; /* Power resources */
197 UINT32 inrush_current
:1; /* Serialize Dx->D0 */
198 UINT32 power_removed
:1; /* Optimize Dx->D0 */
202 struct acpi_device_power_state
{
205 UINT8 explicit_set
:1; /* _PSx present? */
208 int power
; /* % Power (compared to D0) */
209 int latency
; /* Dx->D0 time (microseconds) */
210 struct acpi_handle_list resources
; /* Power resources referenced */
213 struct acpi_device_power
{
214 int state
; /* Current state */
215 struct acpi_device_power_flags flags
;
216 struct acpi_device_power_state states
[4]; /* Power states (D0-D3) */
220 /* Performance Management */
222 struct acpi_device_perf_flags
{
226 struct acpi_device_perf_state
{
231 UINT8 power
; /* % Power (compared to P0) */
232 UINT8 performance
; /* % Performance ( " ) */
233 int latency
; /* Px->P0 time (microseconds) */
236 struct acpi_device_perf
{
238 struct acpi_device_perf_flags flags
;
240 struct acpi_device_perf_state
*states
;
243 /* Wakeup Management */
244 struct acpi_device_wakeup_flags
{
245 UINT8 valid
:1; /* Can successfully enable wakeup? */
246 UINT8 run_wake
:1; /* Run-Wake GPE devices */
249 struct acpi_device_wakeup_state
{
253 struct acpi_device_wakeup
{
254 ACPI_HANDLE gpe_device
;
255 ACPI_INTEGER gpe_number
;
256 ACPI_INTEGER sleep_state
;
257 struct acpi_handle_list resources
;
258 struct acpi_device_wakeup_state state
;
259 struct acpi_device_wakeup_flags flags
;
269 struct acpi_device
*parent
;
270 struct list_head children
;
271 struct list_head node
;
272 struct list_head wakeup_list
;
273 struct acpi_device_status status
;
274 struct acpi_device_flags flags
;
275 struct acpi_device_pnp pnp
;
276 struct acpi_device_power power
;
277 struct acpi_device_wakeup wakeup
;
278 struct acpi_device_perf performance
;
279 struct acpi_device_ops ops
;
280 struct acpi_driver
*driver
;
282 struct acpi_bus_ops bus_ops
; /* workaround for different code path for hotplug */
283 enum acpi_bus_removal_type removal_type
; /* indicate for different removal type */
287 #define acpi_driver_data(d) ((d)->driver_data)
289 #define to_acpi_device(d) container_of(d, struct acpi_device, dev)
290 #define to_acpi_driver(d) container_of(d, struct acpi_driver, drv)
292 /* acpi_device.dev.bus == &acpi_bus_type */
293 extern struct bus_type acpi_bus_type
;
300 struct acpi_bus_event
{
301 struct list_head node
;
302 acpi_device_class device_class
;
312 int acpi_bus_get_private_data(ACPI_HANDLE
, void **);
314 void acpi_bus_data_handler(ACPI_HANDLE handle
, void *context
);
315 ACPI_STATUS
acpi_bus_get_status_handle(ACPI_HANDLE handle
,
316 unsigned long long *sta
);
317 int acpi_bus_get_status(struct acpi_device
*device
);
318 int acpi_bus_get_power(ACPI_HANDLE handle
, int *state
);
319 int acpi_bus_set_power(ACPI_HANDLE handle
, int state
);
320 BOOLEAN
acpi_bus_power_manageable(ACPI_HANDLE handle
);
321 BOOLEAN
acpi_bus_can_wakeup(ACPI_HANDLE handle
);
322 int acpi_bus_generate_proc_event(struct acpi_device
*device
, UINT8 type
, int data
);
323 int acpi_bus_generate_event(struct acpi_device
*device
, UINT8 type
, int data
);
324 int acpi_bus_receive_event(struct acpi_bus_event
*event
);
325 int acpi_bus_register_driver(struct acpi_driver
*driver
);
326 void acpi_bus_unregister_driver(struct acpi_driver
*driver
);
327 int acpi_bus_add(struct acpi_device
**child
, struct acpi_device
*parent
,
328 ACPI_HANDLE handle
, int type
);
329 int acpi_bus_trim(struct acpi_device
*start
, int rmdevice
);
330 int acpi_bus_start(struct acpi_device
*device
);
331 ACPI_STATUS
acpi_bus_get_ejd(ACPI_HANDLE handle
, ACPI_HANDLE
* ejd
);
332 int acpi_match_device_ids(struct acpi_device
*device
,
333 const struct acpi_device_id
*ids
);
334 int acpi_bus_get_device(ACPI_HANDLE handle
, struct acpi_device
**device
);
336 ACPI_STATUS
acpi_suspend (UINT32 state
);
339 * Bind physical devices with ACPI devices
341 //struct acpi_bus_type {
342 // struct list_head list;
343 // struct bus_type *bus;
344 // /* For general devices under the bus */
345 // int (*find_device) (struct device *, ACPI_HANDLE *);
346 // /* For bridges, such as PCI root bridge, IDE controller */
347 // int (*find_bridge) (struct device *, ACPI_HANDLE *);
349 //int register_acpi_bus_type(struct acpi_bus_type *);
350 //int unregister_acpi_bus_type(struct acpi_bus_type *);
351 //struct device *acpi_get_physical_device(ACPI_HANDLE);
353 struct acpi_pci_root
{
354 struct list_head node
;
355 struct acpi_device
* device
;
356 struct acpi_pci_id id
;
361 UINT32 osc_support_set
; /* _OSC state of support bits */
362 UINT32 osc_control_set
; /* _OSC state of control bits */
363 UINT32 osc_control_qry
; /* the latest _OSC query result */
365 UINT32 osc_queried
:1; /* has _OSC control been queried? */
368 //static inline int acpi_pm_device_sleep_state(struct device *d, int *p)
371 // *p = ACPI_STATE_D0;
372 // return ACPI_STATE_D3;
374 //static inline int acpi_pm_device_sleep_wake(struct device *dev, bool enable)
379 /* system defines: move to bigger header */
380 extern enum acpi_irq_model_id acpi_irq_model
;
382 enum acpi_irq_model_id
{
383 ACPI_IRQ_MODEL_PIC
= 0,
384 ACPI_IRQ_MODEL_IOAPIC
,
385 ACPI_IRQ_MODEL_IOSAPIC
,
391 #endif /*__ACPI_BUS_H__*/