Linux kernel mirror (for testing)
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linux
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
28#include <linux/errno.h>
29#include <linux/ioport.h> /* for struct resource */
30#include <linux/device.h>
31
32#ifndef _LINUX
33#define _LINUX
34#endif
35#include <acpi/acpi.h>
36
37#ifdef CONFIG_ACPI
38
39#include <linux/list.h>
40#include <linux/mod_devicetable.h>
41#include <linux/dynamic_debug.h>
42
43#include <acpi/acpi_bus.h>
44#include <acpi/acpi_drivers.h>
45#include <acpi/acpi_numa.h>
46#include <acpi/acpi_io.h>
47#include <asm/acpi.h>
48
49static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
50{
51 return adev ? adev->handle : NULL;
52}
53
54#define ACPI_COMPANION(dev) ((dev)->acpi_node.companion)
55#define ACPI_COMPANION_SET(dev, adev) ACPI_COMPANION(dev) = (adev)
56#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
57
58static inline void acpi_preset_companion(struct device *dev,
59 struct acpi_device *parent, u64 addr)
60{
61 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
62}
63
64static inline const char *acpi_dev_name(struct acpi_device *adev)
65{
66 return dev_name(&adev->dev);
67}
68
69enum acpi_irq_model_id {
70 ACPI_IRQ_MODEL_PIC = 0,
71 ACPI_IRQ_MODEL_IOAPIC,
72 ACPI_IRQ_MODEL_IOSAPIC,
73 ACPI_IRQ_MODEL_PLATFORM,
74 ACPI_IRQ_MODEL_COUNT
75};
76
77extern enum acpi_irq_model_id acpi_irq_model;
78
79enum acpi_interrupt_id {
80 ACPI_INTERRUPT_PMI = 1,
81 ACPI_INTERRUPT_INIT,
82 ACPI_INTERRUPT_CPEI,
83 ACPI_INTERRUPT_COUNT
84};
85
86#define ACPI_SPACE_MEM 0
87
88enum acpi_address_range_id {
89 ACPI_ADDRESS_RANGE_MEMORY = 1,
90 ACPI_ADDRESS_RANGE_RESERVED = 2,
91 ACPI_ADDRESS_RANGE_ACPI = 3,
92 ACPI_ADDRESS_RANGE_NVS = 4,
93 ACPI_ADDRESS_RANGE_COUNT
94};
95
96
97/* Table Handlers */
98
99typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
100
101typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
102 const unsigned long end);
103
104#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
105void acpi_initrd_override(void *data, size_t size);
106#else
107static inline void acpi_initrd_override(void *data, size_t size)
108{
109}
110#endif
111
112#define BAD_MADT_ENTRY(entry, end) ( \
113 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
114 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
115
116char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
117void __acpi_unmap_table(char *map, unsigned long size);
118int early_acpi_boot_init(void);
119int acpi_boot_init (void);
120void acpi_boot_table_init (void);
121int acpi_mps_check (void);
122int acpi_numa_init (void);
123
124int acpi_table_init (void);
125int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
126int __init acpi_table_parse_entries(char *id, unsigned long table_size,
127 int entry_id,
128 acpi_tbl_entry_handler handler,
129 unsigned int max_entries);
130int acpi_table_parse_madt(enum acpi_madt_type id,
131 acpi_tbl_entry_handler handler,
132 unsigned int max_entries);
133int acpi_parse_mcfg (struct acpi_table_header *header);
134void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
135
136/* the following four functions are architecture-dependent */
137void acpi_numa_slit_init (struct acpi_table_slit *slit);
138void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
139void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
140int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
141void acpi_numa_arch_fixup(void);
142
143#ifdef CONFIG_ACPI_HOTPLUG_CPU
144/* Arch dependent functions for cpu hotplug support */
145int acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu);
146int acpi_unmap_lsapic(int cpu);
147#endif /* CONFIG_ACPI_HOTPLUG_CPU */
148
149int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
150int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
151void acpi_irq_stats_init(void);
152extern u32 acpi_irq_handled;
153extern u32 acpi_irq_not_handled;
154
155extern int sbf_port;
156extern unsigned long acpi_realmode_flags;
157
158int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
159int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
160int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
161
162#ifdef CONFIG_X86_IO_APIC
163extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
164#else
165#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
166#endif
167/*
168 * This function undoes the effect of one call to acpi_register_gsi().
169 * If this matches the last registration, any IRQ resources for gsi
170 * are freed.
171 */
172void acpi_unregister_gsi (u32 gsi);
173
174struct pci_dev;
175
176int acpi_pci_irq_enable (struct pci_dev *dev);
177void acpi_penalize_isa_irq(int irq, int active);
178
179void acpi_pci_irq_disable (struct pci_dev *dev);
180
181extern int ec_read(u8 addr, u8 *val);
182extern int ec_write(u8 addr, u8 val);
183extern int ec_transaction(u8 command,
184 const u8 *wdata, unsigned wdata_len,
185 u8 *rdata, unsigned rdata_len);
186extern acpi_handle ec_get_handle(void);
187
188extern bool acpi_is_pnp_device(struct acpi_device *);
189
190#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
191
192typedef void (*wmi_notify_handler) (u32 value, void *context);
193
194extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
195 u32 method_id,
196 const struct acpi_buffer *in,
197 struct acpi_buffer *out);
198extern acpi_status wmi_query_block(const char *guid, u8 instance,
199 struct acpi_buffer *out);
200extern acpi_status wmi_set_block(const char *guid, u8 instance,
201 const struct acpi_buffer *in);
202extern acpi_status wmi_install_notify_handler(const char *guid,
203 wmi_notify_handler handler, void *data);
204extern acpi_status wmi_remove_notify_handler(const char *guid);
205extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
206extern bool wmi_has_guid(const char *guid);
207
208#endif /* CONFIG_ACPI_WMI */
209
210#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
211#define ACPI_VIDEO_DEVICE_POSTING 0x0002
212#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
213#define ACPI_VIDEO_BACKLIGHT 0x0008
214#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
215#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
216#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
217#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
218#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
219#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
220#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
221#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
222
223#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
224
225extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
226extern long acpi_is_video_device(acpi_handle handle);
227extern void acpi_video_dmi_promote_vendor(void);
228extern void acpi_video_dmi_demote_vendor(void);
229extern int acpi_video_backlight_support(void);
230extern int acpi_video_display_switch_support(void);
231
232#else
233
234static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
235{
236 return 0;
237}
238
239static inline long acpi_is_video_device(acpi_handle handle)
240{
241 return 0;
242}
243
244static inline void acpi_video_dmi_promote_vendor(void)
245{
246}
247
248static inline void acpi_video_dmi_demote_vendor(void)
249{
250}
251
252static inline int acpi_video_backlight_support(void)
253{
254 return 0;
255}
256
257static inline int acpi_video_display_switch_support(void)
258{
259 return 0;
260}
261
262#endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
263
264extern int acpi_blacklisted(void);
265extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
266extern void acpi_osi_setup(char *str);
267
268#ifdef CONFIG_ACPI_NUMA
269int acpi_get_node(acpi_handle handle);
270#else
271static inline int acpi_get_node(acpi_handle handle)
272{
273 return 0;
274}
275#endif
276extern int acpi_paddr_to_node(u64 start_addr, u64 size);
277
278extern int pnpacpi_disabled;
279
280#define PXM_INVAL (-1)
281
282bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
283bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
284bool acpi_dev_resource_address_space(struct acpi_resource *ares,
285 struct resource *res);
286bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
287 struct resource *res);
288unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
289bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
290 struct resource *res);
291
292struct resource_list_entry {
293 struct list_head node;
294 struct resource res;
295};
296
297void acpi_dev_free_resource_list(struct list_head *list);
298int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
299 int (*preproc)(struct acpi_resource *, void *),
300 void *preproc_data);
301
302int acpi_check_resource_conflict(const struct resource *res);
303
304int acpi_check_region(resource_size_t start, resource_size_t n,
305 const char *name);
306
307int acpi_resources_are_enforced(void);
308
309#ifdef CONFIG_HIBERNATION
310void __init acpi_no_s4_hw_signature(void);
311#endif
312
313#ifdef CONFIG_PM_SLEEP
314void __init acpi_old_suspend_ordering(void);
315void __init acpi_nvs_nosave(void);
316void __init acpi_nvs_nosave_s3(void);
317#endif /* CONFIG_PM_SLEEP */
318
319struct acpi_osc_context {
320 char *uuid_str; /* UUID string */
321 int rev;
322 struct acpi_buffer cap; /* list of DWORD capabilities */
323 struct acpi_buffer ret; /* free by caller if success */
324};
325
326acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
327acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
328
329/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
330#define OSC_QUERY_DWORD 0 /* DWORD 1 */
331#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
332#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
333
334/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
335#define OSC_QUERY_ENABLE 0x00000001 /* input */
336#define OSC_REQUEST_ERROR 0x00000002 /* return */
337#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
338#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
339#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
340
341/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
342#define OSC_SB_PAD_SUPPORT 0x00000001
343#define OSC_SB_PPC_OST_SUPPORT 0x00000002
344#define OSC_SB_PR3_SUPPORT 0x00000004
345#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
346#define OSC_SB_APEI_SUPPORT 0x00000010
347#define OSC_SB_CPC_SUPPORT 0x00000020
348
349extern bool osc_sb_apei_support_acked;
350
351/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
352#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
353#define OSC_PCI_ASPM_SUPPORT 0x00000002
354#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
355#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
356#define OSC_PCI_MSI_SUPPORT 0x00000010
357#define OSC_PCI_SUPPORT_MASKS 0x0000001f
358
359/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
360#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
361#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
362#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
363#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
364#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
365#define OSC_PCI_CONTROL_MASKS 0x0000001f
366
367#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
368#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
369#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
370#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
371#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
372#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
373#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
374#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
375#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
376#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
377
378extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
379 u32 *mask, u32 req);
380
381/* Enable _OST when all relevant hotplug operations are enabled */
382#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
383 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
384 defined(CONFIG_ACPI_CONTAINER)
385#define ACPI_HOTPLUG_OST
386#endif
387
388/* _OST Source Event Code (OSPM Action) */
389#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
390#define ACPI_OST_EC_OSPM_EJECT 0x103
391#define ACPI_OST_EC_OSPM_INSERTION 0x200
392
393/* _OST General Processing Status Code */
394#define ACPI_OST_SC_SUCCESS 0x0
395#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
396#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
397
398/* _OST OS Shutdown Processing (0x100) Status Code */
399#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
400#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
401#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
402#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
403
404/* _OST Ejection Request (0x3, 0x103) Status Code */
405#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
406#define ACPI_OST_SC_DEVICE_IN_USE 0x81
407#define ACPI_OST_SC_DEVICE_BUSY 0x82
408#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
409#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
410
411/* _OST Insertion Request (0x200) Status Code */
412#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
413#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
414#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
415
416extern void acpi_early_init(void);
417
418extern int acpi_nvs_register(__u64 start, __u64 size);
419
420extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
421 void *data);
422
423const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
424 const struct device *dev);
425
426static inline bool acpi_driver_match_device(struct device *dev,
427 const struct device_driver *drv)
428{
429 return !!acpi_match_device(drv->acpi_match_table, dev);
430}
431
432int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
433int acpi_device_modalias(struct device *, char *, int);
434
435#define ACPI_PTR(_ptr) (_ptr)
436
437#else /* !CONFIG_ACPI */
438
439#define acpi_disabled 1
440
441#define ACPI_COMPANION(dev) (NULL)
442#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
443#define ACPI_HANDLE(dev) (NULL)
444
445static inline const char *acpi_dev_name(struct acpi_device *adev)
446{
447 return NULL;
448}
449
450static inline void acpi_early_init(void) { }
451
452static inline int early_acpi_boot_init(void)
453{
454 return 0;
455}
456static inline int acpi_boot_init(void)
457{
458 return 0;
459}
460
461static inline void acpi_boot_table_init(void)
462{
463 return;
464}
465
466static inline int acpi_mps_check(void)
467{
468 return 0;
469}
470
471static inline int acpi_check_resource_conflict(struct resource *res)
472{
473 return 0;
474}
475
476static inline int acpi_check_region(resource_size_t start, resource_size_t n,
477 const char *name)
478{
479 return 0;
480}
481
482struct acpi_table_header;
483static inline int acpi_table_parse(char *id,
484 int (*handler)(struct acpi_table_header *))
485{
486 return -ENODEV;
487}
488
489static inline int acpi_nvs_register(__u64 start, __u64 size)
490{
491 return 0;
492}
493
494static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
495 void *data)
496{
497 return 0;
498}
499
500struct acpi_device_id;
501
502static inline const struct acpi_device_id *acpi_match_device(
503 const struct acpi_device_id *ids, const struct device *dev)
504{
505 return NULL;
506}
507
508static inline bool acpi_driver_match_device(struct device *dev,
509 const struct device_driver *drv)
510{
511 return false;
512}
513
514static inline int acpi_device_uevent_modalias(struct device *dev,
515 struct kobj_uevent_env *env)
516{
517 return -ENODEV;
518}
519
520static inline int acpi_device_modalias(struct device *dev,
521 char *buf, int size)
522{
523 return -ENODEV;
524}
525
526#define ACPI_PTR(_ptr) (NULL)
527
528#endif /* !CONFIG_ACPI */
529
530#ifdef CONFIG_ACPI
531void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
532 u32 pm1a_ctrl, u32 pm1b_ctrl));
533
534acpi_status acpi_os_prepare_sleep(u8 sleep_state,
535 u32 pm1a_control, u32 pm1b_control);
536
537void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
538 u32 val_a, u32 val_b));
539
540acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
541 u32 val_a, u32 val_b);
542
543#ifdef CONFIG_X86
544void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
545#else
546static inline void arch_reserve_mem_area(acpi_physical_address addr,
547 size_t size)
548{
549}
550#endif /* CONFIG_X86 */
551#else
552#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
553#endif
554
555#if defined(CONFIG_ACPI) && defined(CONFIG_PM_RUNTIME)
556int acpi_dev_runtime_suspend(struct device *dev);
557int acpi_dev_runtime_resume(struct device *dev);
558int acpi_subsys_runtime_suspend(struct device *dev);
559int acpi_subsys_runtime_resume(struct device *dev);
560#else
561static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
562static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
563static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
564static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
565#endif
566
567#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
568int acpi_dev_suspend_late(struct device *dev);
569int acpi_dev_resume_early(struct device *dev);
570int acpi_subsys_prepare(struct device *dev);
571void acpi_subsys_complete(struct device *dev);
572int acpi_subsys_suspend_late(struct device *dev);
573int acpi_subsys_resume_early(struct device *dev);
574int acpi_subsys_suspend(struct device *dev);
575int acpi_subsys_freeze(struct device *dev);
576#else
577static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
578static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
579static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
580static inline void acpi_subsys_complete(struct device *dev) {}
581static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
582static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
583static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
584static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
585#endif
586
587#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
588struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
589int acpi_dev_pm_attach(struct device *dev, bool power_on);
590void acpi_dev_pm_detach(struct device *dev, bool power_off);
591#else
592static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
593{
594 return NULL;
595}
596static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
597{
598 return -ENODEV;
599}
600static inline void acpi_dev_pm_detach(struct device *dev, bool power_off) {}
601#endif
602
603#ifdef CONFIG_ACPI
604__printf(3, 4)
605void acpi_handle_printk(const char *level, acpi_handle handle,
606 const char *fmt, ...);
607#else /* !CONFIG_ACPI */
608static inline __printf(3, 4) void
609acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
610#endif /* !CONFIG_ACPI */
611
612#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
613__printf(3, 4)
614void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
615#else
616#define __acpi_handle_debug(descriptor, handle, fmt, ...) \
617 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
618#endif
619
620/*
621 * acpi_handle_<level>: Print message with ACPI prefix and object path
622 *
623 * These interfaces acquire the global namespace mutex to obtain an object
624 * path. In interrupt context, it shows the object path as <n/a>.
625 */
626#define acpi_handle_emerg(handle, fmt, ...) \
627 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
628#define acpi_handle_alert(handle, fmt, ...) \
629 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
630#define acpi_handle_crit(handle, fmt, ...) \
631 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
632#define acpi_handle_err(handle, fmt, ...) \
633 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
634#define acpi_handle_warn(handle, fmt, ...) \
635 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
636#define acpi_handle_notice(handle, fmt, ...) \
637 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
638#define acpi_handle_info(handle, fmt, ...) \
639 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
640
641#if defined(DEBUG)
642#define acpi_handle_debug(handle, fmt, ...) \
643 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
644#else
645#if defined(CONFIG_DYNAMIC_DEBUG)
646#define acpi_handle_debug(handle, fmt, ...) \
647do { \
648 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
649 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
650 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
651 ##__VA_ARGS__); \
652} while (0)
653#else
654#define acpi_handle_debug(handle, fmt, ...) \
655({ \
656 if (0) \
657 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
658 0; \
659})
660#endif
661#endif
662
663#endif /*_LINUX_ACPI_H*/