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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 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
19 */
20
21#ifndef _LINUX_ACPI_H
22#define _LINUX_ACPI_H
23
24#include <linux/errno.h>
25#include <linux/ioport.h> /* for struct resource */
26#include <linux/resource_ext.h>
27#include <linux/device.h>
28#include <linux/property.h>
29
30#ifndef _LINUX
31#define _LINUX
32#endif
33#include <acpi/acpi.h>
34
35#ifdef CONFIG_ACPI
36
37#include <linux/list.h>
38#include <linux/mod_devicetable.h>
39#include <linux/dynamic_debug.h>
40
41#include <acpi/acpi_bus.h>
42#include <acpi/acpi_drivers.h>
43#include <acpi/acpi_numa.h>
44#include <acpi/acpi_io.h>
45#include <asm/acpi.h>
46
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) to_acpi_node((dev)->fwnode)
53#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
54 acpi_fwnode_handle(adev) : NULL)
55#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
56
57/**
58 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
59 * the PCI-defined class-code information
60 *
61 * @_cls : the class, subclass, prog-if triple for this device
62 * @_msk : the class mask for this device
63 *
64 * This macro is used to create a struct acpi_device_id that matches a
65 * specific PCI class. The .id and .driver_data fields will be left
66 * initialized with the default value.
67 */
68#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk),
69
70static inline bool has_acpi_companion(struct device *dev)
71{
72 return is_acpi_node(dev->fwnode);
73}
74
75static inline void acpi_preset_companion(struct device *dev,
76 struct acpi_device *parent, u64 addr)
77{
78 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
79}
80
81static inline const char *acpi_dev_name(struct acpi_device *adev)
82{
83 return dev_name(&adev->dev);
84}
85
86enum acpi_irq_model_id {
87 ACPI_IRQ_MODEL_PIC = 0,
88 ACPI_IRQ_MODEL_IOAPIC,
89 ACPI_IRQ_MODEL_IOSAPIC,
90 ACPI_IRQ_MODEL_PLATFORM,
91 ACPI_IRQ_MODEL_GIC,
92 ACPI_IRQ_MODEL_COUNT
93};
94
95extern enum acpi_irq_model_id acpi_irq_model;
96
97enum acpi_interrupt_id {
98 ACPI_INTERRUPT_PMI = 1,
99 ACPI_INTERRUPT_INIT,
100 ACPI_INTERRUPT_CPEI,
101 ACPI_INTERRUPT_COUNT
102};
103
104#define ACPI_SPACE_MEM 0
105
106enum acpi_address_range_id {
107 ACPI_ADDRESS_RANGE_MEMORY = 1,
108 ACPI_ADDRESS_RANGE_RESERVED = 2,
109 ACPI_ADDRESS_RANGE_ACPI = 3,
110 ACPI_ADDRESS_RANGE_NVS = 4,
111 ACPI_ADDRESS_RANGE_COUNT
112};
113
114
115/* Table Handlers */
116
117typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
118
119typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
120 const unsigned long end);
121
122#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
123void acpi_initrd_override(void *data, size_t size);
124#else
125static inline void acpi_initrd_override(void *data, size_t size)
126{
127}
128#endif
129
130#define BAD_MADT_ENTRY(entry, end) ( \
131 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
132 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
133
134char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
135void __acpi_unmap_table(char *map, unsigned long size);
136int early_acpi_boot_init(void);
137int acpi_boot_init (void);
138void acpi_boot_table_init (void);
139int acpi_mps_check (void);
140int acpi_numa_init (void);
141
142int acpi_table_init (void);
143int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
144int __init acpi_parse_entries(char *id, unsigned long table_size,
145 acpi_tbl_entry_handler handler,
146 struct acpi_table_header *table_header,
147 int entry_id, unsigned int max_entries);
148int __init acpi_table_parse_entries(char *id, unsigned long table_size,
149 int entry_id,
150 acpi_tbl_entry_handler handler,
151 unsigned int max_entries);
152int acpi_table_parse_madt(enum acpi_madt_type id,
153 acpi_tbl_entry_handler handler,
154 unsigned int max_entries);
155int acpi_parse_mcfg (struct acpi_table_header *header);
156void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
157
158/* the following four functions are architecture-dependent */
159void acpi_numa_slit_init (struct acpi_table_slit *slit);
160void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
161void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
162int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
163void acpi_numa_arch_fixup(void);
164
165#ifndef PHYS_CPUID_INVALID
166typedef u32 phys_cpuid_t;
167#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
168#endif
169
170static inline bool invalid_logical_cpuid(u32 cpuid)
171{
172 return (int)cpuid < 0;
173}
174
175static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
176{
177 return phys_id == PHYS_CPUID_INVALID;
178}
179
180#ifdef CONFIG_ACPI_HOTPLUG_CPU
181/* Arch dependent functions for cpu hotplug support */
182int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
183int acpi_unmap_cpu(int cpu);
184#endif /* CONFIG_ACPI_HOTPLUG_CPU */
185
186#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
187int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
188#endif
189
190int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
191int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
192int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
193void acpi_irq_stats_init(void);
194extern u32 acpi_irq_handled;
195extern u32 acpi_irq_not_handled;
196
197extern int sbf_port;
198extern unsigned long acpi_realmode_flags;
199
200int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
201int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
202int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
203
204#ifdef CONFIG_X86_IO_APIC
205extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
206#else
207#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
208#endif
209/*
210 * This function undoes the effect of one call to acpi_register_gsi().
211 * If this matches the last registration, any IRQ resources for gsi
212 * are freed.
213 */
214void acpi_unregister_gsi (u32 gsi);
215
216struct pci_dev;
217
218int acpi_pci_irq_enable (struct pci_dev *dev);
219void acpi_penalize_isa_irq(int irq, int active);
220bool acpi_isa_irq_available(int irq);
221void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
222void acpi_pci_irq_disable (struct pci_dev *dev);
223
224extern int ec_read(u8 addr, u8 *val);
225extern int ec_write(u8 addr, u8 val);
226extern int ec_transaction(u8 command,
227 const u8 *wdata, unsigned wdata_len,
228 u8 *rdata, unsigned rdata_len);
229extern acpi_handle ec_get_handle(void);
230
231extern bool acpi_is_pnp_device(struct acpi_device *);
232
233#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
234
235typedef void (*wmi_notify_handler) (u32 value, void *context);
236
237extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
238 u32 method_id,
239 const struct acpi_buffer *in,
240 struct acpi_buffer *out);
241extern acpi_status wmi_query_block(const char *guid, u8 instance,
242 struct acpi_buffer *out);
243extern acpi_status wmi_set_block(const char *guid, u8 instance,
244 const struct acpi_buffer *in);
245extern acpi_status wmi_install_notify_handler(const char *guid,
246 wmi_notify_handler handler, void *data);
247extern acpi_status wmi_remove_notify_handler(const char *guid);
248extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
249extern bool wmi_has_guid(const char *guid);
250
251#endif /* CONFIG_ACPI_WMI */
252
253#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
254#define ACPI_VIDEO_DEVICE_POSTING 0x0002
255#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
256#define ACPI_VIDEO_BACKLIGHT 0x0008
257#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
258#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
259#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
260#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
261#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
262#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
263#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
264#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
265
266extern char acpi_video_backlight_string[];
267extern long acpi_is_video_device(acpi_handle handle);
268extern int acpi_blacklisted(void);
269extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
270extern void acpi_osi_setup(char *str);
271extern bool acpi_osi_is_win8(void);
272
273#ifdef CONFIG_ACPI_NUMA
274int acpi_map_pxm_to_online_node(int pxm);
275int acpi_get_node(acpi_handle handle);
276#else
277static inline int acpi_map_pxm_to_online_node(int pxm)
278{
279 return 0;
280}
281static inline int acpi_get_node(acpi_handle handle)
282{
283 return 0;
284}
285#endif
286extern int acpi_paddr_to_node(u64 start_addr, u64 size);
287
288extern int pnpacpi_disabled;
289
290#define PXM_INVAL (-1)
291
292bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
293bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
294bool acpi_dev_resource_address_space(struct acpi_resource *ares,
295 struct resource_win *win);
296bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
297 struct resource_win *win);
298unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
299bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
300 struct resource *res);
301
302void acpi_dev_free_resource_list(struct list_head *list);
303int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
304 int (*preproc)(struct acpi_resource *, void *),
305 void *preproc_data);
306int acpi_dev_filter_resource_type(struct acpi_resource *ares,
307 unsigned long types);
308
309static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
310 void *arg)
311{
312 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
313}
314
315int acpi_check_resource_conflict(const struct resource *res);
316
317int acpi_check_region(resource_size_t start, resource_size_t n,
318 const char *name);
319
320int acpi_resources_are_enforced(void);
321
322#ifdef CONFIG_HIBERNATION
323void __init acpi_no_s4_hw_signature(void);
324#endif
325
326#ifdef CONFIG_PM_SLEEP
327void __init acpi_old_suspend_ordering(void);
328void __init acpi_nvs_nosave(void);
329void __init acpi_nvs_nosave_s3(void);
330#endif /* CONFIG_PM_SLEEP */
331
332struct acpi_osc_context {
333 char *uuid_str; /* UUID string */
334 int rev;
335 struct acpi_buffer cap; /* list of DWORD capabilities */
336 struct acpi_buffer ret; /* free by caller if success */
337};
338
339acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
340acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
341
342/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
343#define OSC_QUERY_DWORD 0 /* DWORD 1 */
344#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
345#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
346
347/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
348#define OSC_QUERY_ENABLE 0x00000001 /* input */
349#define OSC_REQUEST_ERROR 0x00000002 /* return */
350#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
351#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
352#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
353
354/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
355#define OSC_SB_PAD_SUPPORT 0x00000001
356#define OSC_SB_PPC_OST_SUPPORT 0x00000002
357#define OSC_SB_PR3_SUPPORT 0x00000004
358#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
359#define OSC_SB_APEI_SUPPORT 0x00000010
360#define OSC_SB_CPC_SUPPORT 0x00000020
361
362extern bool osc_sb_apei_support_acked;
363
364/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
365#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
366#define OSC_PCI_ASPM_SUPPORT 0x00000002
367#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
368#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
369#define OSC_PCI_MSI_SUPPORT 0x00000010
370#define OSC_PCI_SUPPORT_MASKS 0x0000001f
371
372/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
373#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
374#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
375#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
376#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
377#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
378#define OSC_PCI_CONTROL_MASKS 0x0000001f
379
380#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
381#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
382#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
383#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
384#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
385#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
386#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
387#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
388#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
389#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
390
391extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
392 u32 *mask, u32 req);
393
394/* Enable _OST when all relevant hotplug operations are enabled */
395#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
396 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
397 defined(CONFIG_ACPI_CONTAINER)
398#define ACPI_HOTPLUG_OST
399#endif
400
401/* _OST Source Event Code (OSPM Action) */
402#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
403#define ACPI_OST_EC_OSPM_EJECT 0x103
404#define ACPI_OST_EC_OSPM_INSERTION 0x200
405
406/* _OST General Processing Status Code */
407#define ACPI_OST_SC_SUCCESS 0x0
408#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
409#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
410
411/* _OST OS Shutdown Processing (0x100) Status Code */
412#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
413#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
414#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
415#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
416
417/* _OST Ejection Request (0x3, 0x103) Status Code */
418#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
419#define ACPI_OST_SC_DEVICE_IN_USE 0x81
420#define ACPI_OST_SC_DEVICE_BUSY 0x82
421#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
422#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
423
424/* _OST Insertion Request (0x200) Status Code */
425#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
426#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
427#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
428
429extern void acpi_early_init(void);
430extern void acpi_subsystem_init(void);
431
432extern int acpi_nvs_register(__u64 start, __u64 size);
433
434extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
435 void *data);
436
437const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
438 const struct device *dev);
439
440extern bool acpi_driver_match_device(struct device *dev,
441 const struct device_driver *drv);
442int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
443int acpi_device_modalias(struct device *, char *, int);
444void acpi_walk_dep_device_list(acpi_handle handle);
445
446struct platform_device *acpi_create_platform_device(struct acpi_device *);
447#define ACPI_PTR(_ptr) (_ptr)
448
449#else /* !CONFIG_ACPI */
450
451#define acpi_disabled 1
452
453#define ACPI_COMPANION(dev) (NULL)
454#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
455#define ACPI_HANDLE(dev) (NULL)
456#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
457
458struct fwnode_handle;
459
460static inline bool is_acpi_node(struct fwnode_handle *fwnode)
461{
462 return false;
463}
464
465static inline struct acpi_device *to_acpi_node(struct fwnode_handle *fwnode)
466{
467 return NULL;
468}
469
470static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
471{
472 return NULL;
473}
474
475static inline bool has_acpi_companion(struct device *dev)
476{
477 return false;
478}
479
480static inline const char *acpi_dev_name(struct acpi_device *adev)
481{
482 return NULL;
483}
484
485static inline void acpi_early_init(void) { }
486static inline void acpi_subsystem_init(void) { }
487
488static inline int early_acpi_boot_init(void)
489{
490 return 0;
491}
492static inline int acpi_boot_init(void)
493{
494 return 0;
495}
496
497static inline void acpi_boot_table_init(void)
498{
499 return;
500}
501
502static inline int acpi_mps_check(void)
503{
504 return 0;
505}
506
507static inline int acpi_check_resource_conflict(struct resource *res)
508{
509 return 0;
510}
511
512static inline int acpi_check_region(resource_size_t start, resource_size_t n,
513 const char *name)
514{
515 return 0;
516}
517
518struct acpi_table_header;
519static inline int acpi_table_parse(char *id,
520 int (*handler)(struct acpi_table_header *))
521{
522 return -ENODEV;
523}
524
525static inline int acpi_nvs_register(__u64 start, __u64 size)
526{
527 return 0;
528}
529
530static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
531 void *data)
532{
533 return 0;
534}
535
536struct acpi_device_id;
537
538static inline const struct acpi_device_id *acpi_match_device(
539 const struct acpi_device_id *ids, const struct device *dev)
540{
541 return NULL;
542}
543
544static inline bool acpi_driver_match_device(struct device *dev,
545 const struct device_driver *drv)
546{
547 return false;
548}
549
550static inline int acpi_device_uevent_modalias(struct device *dev,
551 struct kobj_uevent_env *env)
552{
553 return -ENODEV;
554}
555
556static inline int acpi_device_modalias(struct device *dev,
557 char *buf, int size)
558{
559 return -ENODEV;
560}
561
562static inline bool acpi_check_dma(struct acpi_device *adev, bool *coherent)
563{
564 return false;
565}
566
567#define ACPI_PTR(_ptr) (NULL)
568
569#endif /* !CONFIG_ACPI */
570
571#ifdef CONFIG_ACPI
572void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
573 u32 pm1a_ctrl, u32 pm1b_ctrl));
574
575acpi_status acpi_os_prepare_sleep(u8 sleep_state,
576 u32 pm1a_control, u32 pm1b_control);
577
578void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
579 u32 val_a, u32 val_b));
580
581acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
582 u32 val_a, u32 val_b);
583
584#ifdef CONFIG_X86
585void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
586#else
587static inline void arch_reserve_mem_area(acpi_physical_address addr,
588 size_t size)
589{
590}
591#endif /* CONFIG_X86 */
592#else
593#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
594#endif
595
596#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
597int acpi_dev_runtime_suspend(struct device *dev);
598int acpi_dev_runtime_resume(struct device *dev);
599int acpi_subsys_runtime_suspend(struct device *dev);
600int acpi_subsys_runtime_resume(struct device *dev);
601struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
602int acpi_dev_pm_attach(struct device *dev, bool power_on);
603#else
604static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
605static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
606static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
607static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
608static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
609{
610 return NULL;
611}
612static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
613{
614 return -ENODEV;
615}
616#endif
617
618#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
619int acpi_dev_suspend_late(struct device *dev);
620int acpi_dev_resume_early(struct device *dev);
621int acpi_subsys_prepare(struct device *dev);
622void acpi_subsys_complete(struct device *dev);
623int acpi_subsys_suspend_late(struct device *dev);
624int acpi_subsys_resume_early(struct device *dev);
625int acpi_subsys_suspend(struct device *dev);
626int acpi_subsys_freeze(struct device *dev);
627#else
628static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
629static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
630static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
631static inline void acpi_subsys_complete(struct device *dev) {}
632static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
633static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
634static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
635static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
636#endif
637
638#ifdef CONFIG_ACPI
639__printf(3, 4)
640void acpi_handle_printk(const char *level, acpi_handle handle,
641 const char *fmt, ...);
642#else /* !CONFIG_ACPI */
643static inline __printf(3, 4) void
644acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
645#endif /* !CONFIG_ACPI */
646
647#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
648__printf(3, 4)
649void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
650#else
651#define __acpi_handle_debug(descriptor, handle, fmt, ...) \
652 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
653#endif
654
655/*
656 * acpi_handle_<level>: Print message with ACPI prefix and object path
657 *
658 * These interfaces acquire the global namespace mutex to obtain an object
659 * path. In interrupt context, it shows the object path as <n/a>.
660 */
661#define acpi_handle_emerg(handle, fmt, ...) \
662 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
663#define acpi_handle_alert(handle, fmt, ...) \
664 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
665#define acpi_handle_crit(handle, fmt, ...) \
666 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
667#define acpi_handle_err(handle, fmt, ...) \
668 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
669#define acpi_handle_warn(handle, fmt, ...) \
670 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
671#define acpi_handle_notice(handle, fmt, ...) \
672 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
673#define acpi_handle_info(handle, fmt, ...) \
674 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
675
676#if defined(DEBUG)
677#define acpi_handle_debug(handle, fmt, ...) \
678 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
679#else
680#if defined(CONFIG_DYNAMIC_DEBUG)
681#define acpi_handle_debug(handle, fmt, ...) \
682do { \
683 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
684 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
685 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
686 ##__VA_ARGS__); \
687} while (0)
688#else
689#define acpi_handle_debug(handle, fmt, ...) \
690({ \
691 if (0) \
692 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
693 0; \
694})
695#endif
696#endif
697
698struct acpi_gpio_params {
699 unsigned int crs_entry_index;
700 unsigned int line_index;
701 bool active_low;
702};
703
704struct acpi_gpio_mapping {
705 const char *name;
706 const struct acpi_gpio_params *data;
707 unsigned int size;
708};
709
710#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
711int acpi_dev_add_driver_gpios(struct acpi_device *adev,
712 const struct acpi_gpio_mapping *gpios);
713
714static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
715{
716 if (adev)
717 adev->driver_gpios = NULL;
718}
719
720int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
721#else
722static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
723 const struct acpi_gpio_mapping *gpios)
724{
725 return -ENXIO;
726}
727static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
728
729static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
730{
731 return -ENXIO;
732}
733#endif
734
735/* Device properties */
736
737#define MAX_ACPI_REFERENCE_ARGS 8
738struct acpi_reference_args {
739 struct acpi_device *adev;
740 size_t nargs;
741 u64 args[MAX_ACPI_REFERENCE_ARGS];
742};
743
744#ifdef CONFIG_ACPI
745int acpi_dev_get_property(struct acpi_device *adev, const char *name,
746 acpi_object_type type, const union acpi_object **obj);
747int acpi_dev_get_property_array(struct acpi_device *adev, const char *name,
748 acpi_object_type type,
749 const union acpi_object **obj);
750int acpi_dev_get_property_reference(struct acpi_device *adev,
751 const char *name, size_t index,
752 struct acpi_reference_args *args);
753
754int acpi_dev_prop_get(struct acpi_device *adev, const char *propname,
755 void **valptr);
756int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
757 enum dev_prop_type proptype, void *val);
758int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
759 enum dev_prop_type proptype, void *val, size_t nval);
760
761struct acpi_device *acpi_get_next_child(struct device *dev,
762 struct acpi_device *child);
763#else
764static inline int acpi_dev_get_property(struct acpi_device *adev,
765 const char *name, acpi_object_type type,
766 const union acpi_object **obj)
767{
768 return -ENXIO;
769}
770static inline int acpi_dev_get_property_array(struct acpi_device *adev,
771 const char *name,
772 acpi_object_type type,
773 const union acpi_object **obj)
774{
775 return -ENXIO;
776}
777static inline int acpi_dev_get_property_reference(struct acpi_device *adev,
778 const char *name, const char *cells_name,
779 size_t index, struct acpi_reference_args *args)
780{
781 return -ENXIO;
782}
783
784static inline int acpi_dev_prop_get(struct acpi_device *adev,
785 const char *propname,
786 void **valptr)
787{
788 return -ENXIO;
789}
790
791static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
792 const char *propname,
793 enum dev_prop_type proptype,
794 void *val)
795{
796 return -ENXIO;
797}
798
799static inline int acpi_dev_prop_read(struct acpi_device *adev,
800 const char *propname,
801 enum dev_prop_type proptype,
802 void *val, size_t nval)
803{
804 return -ENXIO;
805}
806
807static inline struct acpi_device *acpi_get_next_child(struct device *dev,
808 struct acpi_device *child)
809{
810 return NULL;
811}
812
813#endif
814
815#endif /*_LINUX_ACPI_H*/
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