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ACPI / bind: Use (put|get)_device() on ACPI device objects too
[deliverable/linux.git] / include / linux / acpi.h
CommitLineData
1da177e4
LT		 1/*
2 * acpi.h - ACPI Interface
3 *
4 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
5 *
6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
23 */
24
25#ifndef _LINUX_ACPI_H
26#define _LINUX_ACPI_H
27
5133375b 28#include <linux/errno.h>
443dea72 29#include <linux/ioport.h> /* for struct resource */
cf761af9 30#include <linux/device.h>
3f5948fa 31
25be5e6c
LB		 32#ifdef CONFIG_ACPI
33
1da177e4
LT		 34#ifndef _LINUX
35#define _LINUX
36#endif
37
38#include <linux/list.h>
29b71a1c 39#include <linux/mod_devicetable.h>
1da177e4
LT		 40
41#include <acpi/acpi.h>
42#include <acpi/acpi_bus.h>
43#include <acpi/acpi_drivers.h>
762834e8 44#include <acpi/acpi_numa.h>
1da177e4 45#include <asm/acpi.h>
1da177e4 46
7b199811
RW		 47static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
48{
49 return adev ? adev->handle : NULL;
50}
51
52#define ACPI_COMPANION(dev) ((dev)->acpi_node.companion)
53#define ACPI_COMPANION_SET(dev, adev) ACPI_COMPANION(dev) = (adev)
54#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
55
1da177e4
LT		 56enum acpi_irq_model_id {
57 ACPI_IRQ_MODEL_PIC = 0,
58 ACPI_IRQ_MODEL_IOAPIC,
59 ACPI_IRQ_MODEL_IOSAPIC,
3948ec94 60 ACPI_IRQ_MODEL_PLATFORM,
1da177e4
LT		 61 ACPI_IRQ_MODEL_COUNT
62};
63
64extern enum acpi_irq_model_id acpi_irq_model;
65
1da177e4
LT		 66enum acpi_interrupt_id {
67 ACPI_INTERRUPT_PMI = 1,
68 ACPI_INTERRUPT_INIT,
69 ACPI_INTERRUPT_CPEI,
70 ACPI_INTERRUPT_COUNT
71};
72
73#define ACPI_SPACE_MEM 0
74
1da177e4
LT		 75enum acpi_address_range_id {
76 ACPI_ADDRESS_RANGE_MEMORY = 1,
77 ACPI_ADDRESS_RANGE_RESERVED = 2,
78 ACPI_ADDRESS_RANGE_ACPI = 3,
79 ACPI_ADDRESS_RANGE_NVS = 4,
80 ACPI_ADDRESS_RANGE_COUNT
81};
82
1da177e4 83
1da177e4
LT		 84/* Table Handlers */
85
b43e1065 86typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
1da177e4 87
b43e1065
LZ		 88typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
89 const unsigned long end);
1da177e4 90
53aac44c
TR		 91#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
92void acpi_initrd_override(void *data, size_t size);
93#else
94static inline void acpi_initrd_override(void *data, size_t size)
95{
96}
97#endif
98
1da177e4 99char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
970ec1a8 100void __acpi_unmap_table(char *map, unsigned long size);
cbf9bd60 101int early_acpi_boot_init(void);
1da177e4 102int acpi_boot_init (void);
8558e394 103void acpi_boot_table_init (void);
3c999f14 104int acpi_mps_check (void);
1da177e4
LT		 105int acpi_numa_init (void);
106
107int acpi_table_init (void);
b43e1065 108int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
6eb87fed 109int __init acpi_table_parse_entries(char *id, unsigned long table_size,
b43e1065
LZ		 110 int entry_id,
111 acpi_tbl_entry_handler handler,
112 unsigned int max_entries);
113int acpi_table_parse_madt(enum acpi_madt_type id,
114 acpi_tbl_entry_handler handler,
115 unsigned int max_entries);
ceb6c468 116int acpi_parse_mcfg (struct acpi_table_header *header);
5f3b1a8b 117void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
1da177e4
LT		 118
119/* the following four functions are architecture-dependent */
120void acpi_numa_slit_init (struct acpi_table_slit *slit);
15a58ed1 121void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
7237d3de 122void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
095adbb6 123int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
1da177e4
LT		 124void acpi_numa_arch_fixup(void);
125
126#ifdef CONFIG_ACPI_HOTPLUG_CPU
127/* Arch dependent functions for cpu hotplug support */
d536bf3d 128int acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu);
1da177e4
LT		 129int acpi_unmap_lsapic(int cpu);
130#endif /* CONFIG_ACPI_HOTPLUG_CPU */
131
b1bb248a
KK		 132int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
133int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
5229e87d 134void acpi_irq_stats_init(void);
5229e87d 135extern u32 acpi_irq_handled;
88bea188 136extern u32 acpi_irq_not_handled;
1da177e4 137
c255d844 138extern int sbf_port;
77afcf78 139extern unsigned long acpi_realmode_flags;
1da177e4 140
a2f809b0 141int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
1da177e4 142int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
2c2df841 143int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
1da177e4 144
61fd47e0 145#ifdef CONFIG_X86_IO_APIC
9a0a91bb 146extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
61fd47e0 147#else
9a0a91bb 148#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
61fd47e0 149#endif
1da177e4
LT		 150/*
151 * This function undoes the effect of one call to acpi_register_gsi().
152 * If this matches the last registration, any IRQ resources for gsi
153 * are freed.
154 */
1da177e4 155void acpi_unregister_gsi (u32 gsi);
1da177e4 156
1da177e4
LT		 157struct pci_dev;
158
159int acpi_pci_irq_enable (struct pci_dev *dev);
c9c3e457 160void acpi_penalize_isa_irq(int irq, int active);
1da177e4 161
1da177e4 162void acpi_pci_irq_disable (struct pci_dev *dev);
1da177e4 163
1da177e4
LT		 164extern int ec_read(u8 addr, u8 *val);
165extern int ec_write(u8 addr, u8 val);
d7a76e4c
LP		 166extern int ec_transaction(u8 command,
167 const u8 *wdata, unsigned wdata_len,
1cb7b1e0 168 u8 *rdata, unsigned rdata_len);
3e2abc5a 169extern acpi_handle ec_get_handle(void);
1da177e4 170
bff431e4
CC		 171#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
172
173typedef void (*wmi_notify_handler) (u32 value, void *context);
174
175extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
176 u32 method_id,
177 const struct acpi_buffer *in,
178 struct acpi_buffer *out);
179extern acpi_status wmi_query_block(const char *guid, u8 instance,
180 struct acpi_buffer *out);
181extern acpi_status wmi_set_block(const char *guid, u8 instance,
182 const struct acpi_buffer *in);
183extern acpi_status wmi_install_notify_handler(const char *guid,
184 wmi_notify_handler handler, void *data);
185extern acpi_status wmi_remove_notify_handler(const char *guid);
186extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
187extern bool wmi_has_guid(const char *guid);
188
189#endif /* CONFIG_ACPI_WMI */
190
c3d6de69
TR		 191#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
192#define ACPI_VIDEO_DEVICE_POSTING 0x0002
193#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
194#define ACPI_VIDEO_BACKLIGHT 0x0008
195#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
196#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
197#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
198#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
199#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
200#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
201#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
202#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
203
204#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
205
206extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
d4e1a692 207extern long acpi_is_video_device(acpi_handle handle);
f838eb5b
CC		 208extern void acpi_video_dmi_promote_vendor(void);
209extern void acpi_video_dmi_demote_vendor(void);
c3d6de69
TR		 210extern int acpi_video_backlight_support(void);
211extern int acpi_video_display_switch_support(void);
212
213#else
214
215static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
216{
217 return 0;
218}
219
d4e1a692 220static inline long acpi_is_video_device(acpi_handle handle)
c3d6de69
TR		 221{
222 return 0;
223}
224
f838eb5b
CC		 225static inline void acpi_video_dmi_promote_vendor(void)
226{
227}
228
229static inline void acpi_video_dmi_demote_vendor(void)
230{
231}
232
c3d6de69
TR		 233static inline int acpi_video_backlight_support(void)
234{
235 return 0;
236}
237
238static inline int acpi_video_display_switch_support(void)
239{
240 return 0;
241}
242
243#endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
244
1da177e4 245extern int acpi_blacklisted(void);
d4b7dc49 246extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
d90aa92c 247extern void acpi_osi_setup(char *str);
1da177e4 248
1da177e4
LT		 249#ifdef CONFIG_ACPI_NUMA
250int acpi_get_pxm(acpi_handle handle);
1e3590e2 251int acpi_get_node(acpi_handle *handle);
1da177e4
LT		 252#else
253static inline int acpi_get_pxm(acpi_handle handle)
254{
255 return 0;
256}
1e3590e2
YG		 257static inline int acpi_get_node(acpi_handle *handle)
258{
259 return 0;
260}
1da177e4 261#endif
1e3590e2 262extern int acpi_paddr_to_node(u64 start_addr, u64 size);
1da177e4
LT		 263
264extern int pnpacpi_disabled;
265
3484d798 266#define PXM_INVAL (-1)
3484d798 267
046d9ce6
RW		 268bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
269bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
270bool acpi_dev_resource_address_space(struct acpi_resource *ares,
271 struct resource *res);
272bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
273 struct resource *res);
274unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
275bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
276 struct resource *res);
277
8e345c99
RW		 278struct resource_list_entry {
279 struct list_head node;
280 struct resource res;
281};
282
283void acpi_dev_free_resource_list(struct list_head *list);
284int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
285 int (*preproc)(struct acpi_resource *, void *),
286 void *preproc_data);
287
876fba43 288int acpi_check_resource_conflict(const struct resource *res);
443dea72 289
df92e695
TR		 290int acpi_check_region(resource_size_t start, resource_size_t n,
291 const char *name);
df92e695 292
70dd6bea
JD		 293int acpi_resources_are_enforced(void);
294
9743fdea 295#ifdef CONFIG_HIBERNATION
bdfe6b7c 296void __init acpi_no_s4_hw_signature(void);
9743fdea
YL		 297#endif
298
299#ifdef CONFIG_PM_SLEEP
d8f3de0d 300void __init acpi_old_suspend_ordering(void);
72ad5d77 301void __init acpi_nvs_nosave(void);
1bad2f19 302void __init acpi_nvs_nosave_s3(void);
d8f3de0d 303#endif /* CONFIG_PM_SLEEP */
9f5404d8 304
70023de8 305struct acpi_osc_context {
c8678473 306 char *uuid_str; /* UUID string */
70023de8 307 int rev;
c8678473
BH		 308 struct acpi_buffer cap; /* list of DWORD capabilities */
309 struct acpi_buffer ret; /* free by caller if success */
70023de8
SL		 310};
311
4b3db708 312acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
70023de8
SL		 313acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
314
b938a229
BH		 315/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
316#define OSC_QUERY_DWORD 0 /* DWORD 1 */
317#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
318#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
9f5404d8 319
dedf1e4d
BH		 320/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
321#define OSC_QUERY_ENABLE 0x00000001 /* input */
322#define OSC_REQUEST_ERROR 0x00000002 /* return */
323#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
324#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
325#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
9f5404d8 326
dedf1e4d
BH		 327/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
328#define OSC_SB_PAD_SUPPORT 0x00000001
329#define OSC_SB_PPC_OST_SUPPORT 0x00000002
330#define OSC_SB_PR3_SUPPORT 0x00000004
331#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
332#define OSC_SB_APEI_SUPPORT 0x00000010
333#define OSC_SB_CPC_SUPPORT 0x00000020
3563ff96 334
eccddd32
HY		 335extern bool osc_sb_apei_support_acked;
336
dedf1e4d 337/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
7dab9ef4
BH		 338#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
339#define OSC_PCI_ASPM_SUPPORT 0x00000002
340#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
dedf1e4d 341#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
7dab9ef4 342#define OSC_PCI_MSI_SUPPORT 0x00000010
dedf1e4d
BH		 343#define OSC_PCI_SUPPORT_MASKS 0x0000001f
344
345/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
346#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
7dab9ef4 347#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
dedf1e4d
BH		 348#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
349#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
7dab9ef4 350#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
335b1509 351#define OSC_PCI_CONTROL_MASKS 0x0000001f
d90116ea 352
75fb60f2
RW		 353extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
354 u32 *mask, u32 req);
275c58d7
TK		 355
356/* Enable _OST when all relevant hotplug operations are enabled */
357#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
08f502c1 358 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
64fd7401 359 defined(CONFIG_ACPI_CONTAINER)
275c58d7
TK		 360#define ACPI_HOTPLUG_OST
361#endif
362
363/* _OST Source Event Code (OSPM Action) */
364#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
365#define ACPI_OST_EC_OSPM_EJECT 0x103
366#define ACPI_OST_EC_OSPM_INSERTION 0x200
367
368/* _OST General Processing Status Code */
369#define ACPI_OST_SC_SUCCESS 0x0
370#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
371#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
372
373/* _OST OS Shutdown Processing (0x100) Status Code */
374#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
375#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
376#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
377#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
378
379/* _OST Ejection Request (0x3, 0x103) Status Code */
380#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
381#define ACPI_OST_SC_DEVICE_IN_USE 0x81
382#define ACPI_OST_SC_DEVICE_BUSY 0x82
383#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
384#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
385
386/* _OST Insertion Request (0x200) Status Code */
387#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
388#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
389#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
390
4a7a16dc
LB		 391extern void acpi_early_init(void);
392
b54ac6d2
HY		 393extern int acpi_nvs_register(__u64 start, __u64 size);
394
395extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
396 void *data);
397
cf761af9
MW		 398const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
399 const struct device *dev);
400
401static inline bool acpi_driver_match_device(struct device *dev,
402 const struct device_driver *drv)
403{
404 return !!acpi_match_device(drv->acpi_match_table, dev);
405}
406
407#define ACPI_PTR(_ptr) (_ptr)
408
e55a5999
FT		 409#else /* !CONFIG_ACPI */
410
411#define acpi_disabled 1
412
7b199811
RW		 413#define ACPI_COMPANION(dev) (NULL)
414#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
415#define ACPI_HANDLE(dev) (NULL)
416
4a7a16dc 417static inline void acpi_early_init(void) { }
53de49f5 418
cbf9bd60
YL		 419static inline int early_acpi_boot_init(void)
420{
421 return 0;
422}
53de49f5
AM		 423static inline int acpi_boot_init(void)
424{
425 return 0;
426}
427
8558e394 428static inline void acpi_boot_table_init(void)
53de49f5 429{
8558e394 430 return;
53de49f5
AM		 431}
432
3c999f14
YL		 433static inline int acpi_mps_check(void)
434{
435 return 0;
436}
437
443dea72
TR		 438static inline int acpi_check_resource_conflict(struct resource *res)
439{
440 return 0;
441}
442
df92e695
TR		 443static inline int acpi_check_region(resource_size_t start, resource_size_t n,
444 const char *name)
445{
446 return 0;
447}
448
e55a5999
FT		 449struct acpi_table_header;
450static inline int acpi_table_parse(char *id,
451 int (*handler)(struct acpi_table_header *))
452{
453 return -1;
454}
6fed05c9 455
b54ac6d2 456static inline int acpi_nvs_register(__u64 start, __u64 size)
6fed05c9
RW		 457{
458 return 0;
459}
b54ac6d2
HY		 460
461static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
462 void *data)
463{
464 return 0;
465}
466
cf761af9
MW		 467struct acpi_device_id;
468
469static inline const struct acpi_device_id *acpi_match_device(
470 const struct acpi_device_id *ids, const struct device *dev)
471{
472 return NULL;
473}
474
475static inline bool acpi_driver_match_device(struct device *dev,
476 const struct device_driver *drv)
477{
478 return false;
479}
480
481#define ACPI_PTR(_ptr) (NULL)
482
b54ac6d2 483#endif /* !CONFIG_ACPI */
6fed05c9 484
09f98a82
TL		 485#ifdef CONFIG_ACPI
486void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
487 u32 pm1a_ctrl, u32 pm1b_ctrl));
488
489acpi_status acpi_os_prepare_sleep(u8 sleep_state,
490 u32 pm1a_control, u32 pm1b_control);
d6b47b12
BG		 491
492void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
493 u32 val_a, u32 val_b));
494
495acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
496 u32 val_a, u32 val_b);
497
385ddeac 498#ifdef CONFIG_X86
8e30524d
TR		 499void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
500#else
501static inline void arch_reserve_mem_area(acpi_physical_address addr,
502 size_t size)
503{
504}
505#endif /* CONFIG_X86 */
09f98a82
TL		 506#else
507#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
508#endif
509
e5cc8ef3
RW		 510#if defined(CONFIG_ACPI) && defined(CONFIG_PM_RUNTIME)
511int acpi_dev_runtime_suspend(struct device *dev);
512int acpi_dev_runtime_resume(struct device *dev);
513int acpi_subsys_runtime_suspend(struct device *dev);
514int acpi_subsys_runtime_resume(struct device *dev);
515#else
516static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
517static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
518static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
519static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
520#endif
521
d79beb39 522#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
e5cc8ef3
RW		 523int acpi_dev_suspend_late(struct device *dev);
524int acpi_dev_resume_early(struct device *dev);
525int acpi_subsys_prepare(struct device *dev);
526int acpi_subsys_suspend_late(struct device *dev);
527int acpi_subsys_resume_early(struct device *dev);
528#else
529static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
530static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
531static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
532static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
533static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
534#endif
535
536#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
d2e5f0c1 537struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
b88ce2a4 538int acpi_dev_pm_attach(struct device *dev, bool power_on);
d71f2f88 539void acpi_dev_pm_detach(struct device *dev, bool power_off);
e5cc8ef3 540#else
d2e5f0c1
RW		 541static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
542{
543 return NULL;
544}
b88ce2a4
RW		 545static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
546{
547 return -ENODEV;
548}
549static inline void acpi_dev_pm_detach(struct device *dev, bool power_off) {}
e5cc8ef3
RW		 550#endif
551
fbfddae6
TK		 552#ifdef CONFIG_ACPI
553__printf(3, 4)
554void acpi_handle_printk(const char *level, acpi_handle handle,
555 const char *fmt, ...);
556#else /* !CONFIG_ACPI */
557static inline __printf(3, 4) void
558acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
559#endif /* !CONFIG_ACPI */
560
561/*
562 * acpi_handle_<level>: Print message with ACPI prefix and object path
563 *
564 * These interfaces acquire the global namespace mutex to obtain an object
565 * path. In interrupt context, it shows the object path as <n/a>.
566 */
567#define acpi_handle_emerg(handle, fmt, ...) \
568 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
569#define acpi_handle_alert(handle, fmt, ...) \
570 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
571#define acpi_handle_crit(handle, fmt, ...) \
572 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
573#define acpi_handle_err(handle, fmt, ...) \
574 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
575#define acpi_handle_warn(handle, fmt, ...) \
576 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
577#define acpi_handle_notice(handle, fmt, ...) \
578 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
579#define acpi_handle_info(handle, fmt, ...) \
580 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
581
582/* REVISIT: Support CONFIG_DYNAMIC_DEBUG when necessary */
583#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG)
584#define acpi_handle_debug(handle, fmt, ...) \
585 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
586#else
587#define acpi_handle_debug(handle, fmt, ...) \
588({ \
589 if (0) \
590 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
591 0; \
592})
593#endif
594
25be5e6c 595#endif /*_LINUX_ACPI_H*/
Linux kernel - Deliverables
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