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_DEVICE_TYPE_COUNT
88 typedef int (*acpi_op_add
) (struct acpi_device
*device
);
89 typedef int (*acpi_op_remove
) (struct acpi_device
*device
, int type
);
90 typedef int (*acpi_op_start
) (struct acpi_device
*device
);
91 typedef int (*acpi_op_suspend
) (struct acpi_device
*device
, int state
);
92 typedef int (*acpi_op_resume
) (struct acpi_device
*device
, int state
);
93 typedef int (*acpi_op_scan
) (struct acpi_device
*device
);
94 typedef int (*acpi_op_bind
) (struct acpi_device
*device
);
95 typedef int (*acpi_op_unbind
) (struct acpi_device
* device
);
96 typedef void (*acpi_op_notify
) (struct acpi_device
* device
, UINT32 event
);
100 UINT32 acpi_op_start
:1;
103 struct acpi_device_ops
{
105 acpi_op_remove remove
;
107 acpi_op_suspend suspend
;
108 acpi_op_resume resume
;
110 acpi_op_unbind unbind
;
111 acpi_op_notify notify
;
115 #define ACPI_DRIVER_ALL_NOTIFY_EVENTS 0x1 /* system AND device events */
118 struct list_head node
;
123 char *ids
; /* Supported Hardware IDs */
124 struct acpi_device_ops ops
;
134 struct acpi_device_status
{
139 UINT32 battery_present
:1;
146 struct acpi_device_flags
{
147 UINT32 dynamic_status
:1;
148 UINT32 hardware_id
:1;
149 UINT32 compatible_ids
:1;
150 UINT32 bus_address
:1;
155 UINT32 suprise_removal_ok
:1;
156 UINT32 power_manageable
:1;
157 UINT32 performance_manageable
:1;
158 UINT32 wake_capable
:1;
159 UINT32 force_power_state
:1;
165 typedef char acpi_bus_id
[8];
166 typedef unsigned long acpi_bus_address
;
167 typedef char acpi_hardware_id
[9];
168 typedef char acpi_unique_id
[9];
169 typedef char acpi_device_name
[40];
170 typedef char acpi_device_class
[20];
172 struct acpi_device_pnp
{
173 acpi_bus_id bus_id
; /* Object name */
174 acpi_bus_address bus_address
; /* _ADR */
175 acpi_hardware_id hardware_id
; /* _HID */
176 ACPI_DEVICE_ID_LIST
*cid_list
; /* _CIDs */
177 acpi_unique_id unique_id
; /* _UID */
178 acpi_device_name device_name
; /* Driver-determined */
179 acpi_device_class device_class
; /* " */
182 #define acpi_device_bid(d) ((d)->pnp.bus_id)
183 #define acpi_device_adr(d) ((d)->pnp.bus_address)
184 #define acpi_device_hid(d) ((d)->pnp.hardware_id)
185 #define acpi_device_uid(d) ((d)->pnp.unique_id)
186 #define acpi_device_name(d) ((d)->pnp.device_name)
187 #define acpi_device_class(d) ((d)->pnp.device_class)
190 /* Power Management */
192 struct acpi_device_power_flags
{
193 UINT32 explicit_get
:1; /* _PSC present? */
194 UINT32 power_resources
:1; /* Power resources */
195 UINT32 inrush_current
:1; /* Serialize Dx->D0 */
196 UINT32 power_removed
:1; /* Optimize Dx->D0 */
200 struct acpi_device_power_state
{
203 UINT8 explicit_set
:1; /* _PSx present? */
206 int power
; /* % Power (compared to D0) */
207 int latency
; /* Dx->D0 time (microseconds) */
208 struct acpi_handle_list resources
; /* Power resources referenced */
211 struct acpi_device_power
{
212 int state
; /* Current state */
213 struct acpi_device_power_flags flags
;
214 struct acpi_device_power_state states
[4]; /* Power states (D0-D3) */
218 /* Performance Management */
220 struct acpi_device_perf_flags
{
224 struct acpi_device_perf_state
{
229 UINT8 power
; /* % Power (compared to P0) */
230 UINT8 performance
; /* % Performance ( " ) */
231 int latency
; /* Px->P0 time (microseconds) */
234 struct acpi_device_perf
{
236 struct acpi_device_perf_flags flags
;
238 struct acpi_device_perf_state
*states
;
241 /* Wakeup Management */
242 struct acpi_device_wakeup_flags
{
243 UINT8 valid
:1; /* Can successfully enable wakeup? */
244 UINT8 run_wake
:1; /* Run-Wake GPE devices */
247 struct acpi_device_wakeup_state
{
251 struct acpi_device_wakeup
{
252 ACPI_HANDLE gpe_device
;
253 ACPI_INTEGER gpe_number
;
254 ACPI_INTEGER sleep_state
;
255 struct acpi_handle_list resources
;
256 struct acpi_device_wakeup_state state
;
257 struct acpi_device_wakeup_flags flags
;
267 struct acpi_device
*parent
;
268 struct list_head children
;
269 struct list_head node
;
270 struct list_head wakeup_list
;
271 struct acpi_device_status status
;
272 struct acpi_device_flags flags
;
273 struct acpi_device_pnp pnp
;
274 struct acpi_device_power power
;
275 struct acpi_device_wakeup wakeup
;
276 struct acpi_device_perf performance
;
277 struct acpi_device_ops ops
;
278 struct acpi_driver
*driver
;
280 struct acpi_bus_ops bus_ops
; /* workaround for different code path for hotplug */
281 enum acpi_bus_removal_type removal_type
; /* indicate for different removal type */
285 #define acpi_driver_data(d) ((d)->driver_data)
287 #define to_acpi_device(d) container_of(d, struct acpi_device, dev)
288 #define to_acpi_driver(d) container_of(d, struct acpi_driver, drv)
290 /* acpi_device.dev.bus == &acpi_bus_type */
291 extern struct bus_type acpi_bus_type
;
298 struct acpi_bus_event
{
299 struct list_head node
;
300 acpi_device_class device_class
;
310 int acpi_bus_get_private_data(ACPI_HANDLE
, void **);
312 void acpi_bus_data_handler(ACPI_HANDLE handle
, void *context
);
313 ACPI_STATUS
acpi_bus_get_status_handle(ACPI_HANDLE handle
,
314 unsigned long long *sta
);
315 int acpi_bus_get_status(struct acpi_device
*device
);
316 int acpi_bus_get_power(ACPI_HANDLE handle
, int *state
);
317 int acpi_bus_set_power(ACPI_HANDLE handle
, int state
);
318 BOOLEAN
acpi_bus_power_manageable(ACPI_HANDLE handle
);
319 BOOLEAN
acpi_bus_can_wakeup(ACPI_HANDLE handle
);
320 int acpi_bus_generate_proc_event(struct acpi_device
*device
, UINT8 type
, int data
);
321 int acpi_bus_generate_event(struct acpi_device
*device
, UINT8 type
, int data
);
322 int acpi_bus_receive_event(struct acpi_bus_event
*event
);
323 int acpi_bus_register_driver(struct acpi_driver
*driver
);
324 void acpi_bus_unregister_driver(struct acpi_driver
*driver
);
325 int acpi_bus_add(struct acpi_device
**child
, struct acpi_device
*parent
,
326 ACPI_HANDLE handle
, int type
);
327 int acpi_bus_trim(struct acpi_device
*start
, int rmdevice
);
328 int acpi_bus_start(struct acpi_device
*device
);
329 ACPI_STATUS
acpi_bus_get_ejd(ACPI_HANDLE handle
, ACPI_HANDLE
* ejd
);
330 int acpi_match_device_ids(struct acpi_device
*device
,
331 const struct acpi_device_id
*ids
);
332 int acpi_bus_get_device(ACPI_HANDLE handle
, struct acpi_device
**device
);
334 ACPI_STATUS
acpi_suspend (UINT32 state
);
337 * Bind physical devices with ACPI devices
339 //struct acpi_bus_type {
340 // struct list_head list;
341 // struct bus_type *bus;
342 // /* For general devices under the bus */
343 // int (*find_device) (struct device *, ACPI_HANDLE *);
344 // /* For bridges, such as PCI root bridge, IDE controller */
345 // int (*find_bridge) (struct device *, ACPI_HANDLE *);
347 //int register_acpi_bus_type(struct acpi_bus_type *);
348 //int unregister_acpi_bus_type(struct acpi_bus_type *);
349 //struct device *acpi_get_physical_device(ACPI_HANDLE);
351 struct acpi_pci_root
{
352 struct list_head node
;
353 struct acpi_device
* device
;
354 struct acpi_pci_id id
;
359 UINT32 osc_support_set
; /* _OSC state of support bits */
360 UINT32 osc_control_set
; /* _OSC state of control bits */
361 UINT32 osc_control_qry
; /* the latest _OSC query result */
363 UINT32 osc_queried
:1; /* has _OSC control been queried? */
366 //static inline int acpi_pm_device_sleep_state(struct device *d, int *p)
369 // *p = ACPI_STATE_D0;
370 // return ACPI_STATE_D3;
372 //static inline int acpi_pm_device_sleep_wake(struct device *dev, bool enable)
377 /* system defines: move to bigger header */
378 extern enum acpi_irq_model_id acpi_irq_model
;
380 enum acpi_irq_model_id
{
381 ACPI_IRQ_MODEL_PIC
= 0,
382 ACPI_IRQ_MODEL_IOAPIC
,
383 ACPI_IRQ_MODEL_IOSAPIC
,
389 #endif /*__ACPI_BUS_H__*/