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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);
220void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
221void acpi_pci_irq_disable (struct pci_dev *dev);
222
223extern int ec_read(u8 addr, u8 *val);
224extern int ec_write(u8 addr, u8 val);
225extern int ec_transaction(u8 command,
226 const u8 *wdata, unsigned wdata_len,
227 u8 *rdata, unsigned rdata_len);
228extern acpi_handle ec_get_handle(void);
229
230extern bool acpi_is_pnp_device(struct acpi_device *);
231
232#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
233
234typedef void (*wmi_notify_handler) (u32 value, void *context);
235
236extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
237 u32 method_id,
238 const struct acpi_buffer *in,
239 struct acpi_buffer *out);
240extern acpi_status wmi_query_block(const char *guid, u8 instance,
241 struct acpi_buffer *out);
242extern acpi_status wmi_set_block(const char *guid, u8 instance,
243 const struct acpi_buffer *in);
244extern acpi_status wmi_install_notify_handler(const char *guid,
245 wmi_notify_handler handler, void *data);
246extern acpi_status wmi_remove_notify_handler(const char *guid);
247extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
248extern bool wmi_has_guid(const char *guid);
249
250#endif /* CONFIG_ACPI_WMI */
251
252#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
253#define ACPI_VIDEO_DEVICE_POSTING 0x0002
254#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
255#define ACPI_VIDEO_BACKLIGHT 0x0008
256#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
257#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
258#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
259#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
260#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
261#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
262#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
263#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
264
265extern char acpi_video_backlight_string[];
266extern long acpi_is_video_device(acpi_handle handle);
267extern int acpi_blacklisted(void);
268extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
269extern void acpi_osi_setup(char *str);
270extern bool acpi_osi_is_win8(void);
271
272#ifdef CONFIG_ACPI_NUMA
273int acpi_map_pxm_to_online_node(int pxm);
274int acpi_get_node(acpi_handle handle);
275#else
276static inline int acpi_map_pxm_to_online_node(int pxm)
277{
278 return 0;
279}
280static inline int acpi_get_node(acpi_handle handle)
281{
282 return 0;
283}
284#endif
285extern int acpi_paddr_to_node(u64 start_addr, u64 size);
286
287extern int pnpacpi_disabled;
288
289#define PXM_INVAL (-1)
290
291bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
292bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
293bool acpi_dev_resource_address_space(struct acpi_resource *ares,
294 struct resource_win *win);
295bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
296 struct resource_win *win);
297unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
298bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
299 struct resource *res);
300
301void acpi_dev_free_resource_list(struct list_head *list);
302int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
303 int (*preproc)(struct acpi_resource *, void *),
304 void *preproc_data);
305int acpi_dev_filter_resource_type(struct acpi_resource *ares,
306 unsigned long types);
307
308static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
309 void *arg)
310{
311 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
312}
313
314int acpi_check_resource_conflict(const struct resource *res);
315
316int acpi_check_region(resource_size_t start, resource_size_t n,
317 const char *name);
318
319int acpi_resources_are_enforced(void);
320
321#ifdef CONFIG_HIBERNATION
322void __init acpi_no_s4_hw_signature(void);
323#endif
324
325#ifdef CONFIG_PM_SLEEP
326void __init acpi_old_suspend_ordering(void);
327void __init acpi_nvs_nosave(void);
328void __init acpi_nvs_nosave_s3(void);
329#endif /* CONFIG_PM_SLEEP */
330
331struct acpi_osc_context {
332 char *uuid_str; /* UUID string */
333 int rev;
334 struct acpi_buffer cap; /* list of DWORD capabilities */
335 struct acpi_buffer ret; /* free by caller if success */
336};
337
338acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
339acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
340
341/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
342#define OSC_QUERY_DWORD 0 /* DWORD 1 */
343#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
344#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
345
346/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
347#define OSC_QUERY_ENABLE 0x00000001 /* input */
348#define OSC_REQUEST_ERROR 0x00000002 /* return */
349#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
350#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
351#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
352
353/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
354#define OSC_SB_PAD_SUPPORT 0x00000001
355#define OSC_SB_PPC_OST_SUPPORT 0x00000002
356#define OSC_SB_PR3_SUPPORT 0x00000004
357#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
358#define OSC_SB_APEI_SUPPORT 0x00000010
359#define OSC_SB_CPC_SUPPORT 0x00000020
360
361extern bool osc_sb_apei_support_acked;
362
363/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
364#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
365#define OSC_PCI_ASPM_SUPPORT 0x00000002
366#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
367#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
368#define OSC_PCI_MSI_SUPPORT 0x00000010
369#define OSC_PCI_SUPPORT_MASKS 0x0000001f
370
371/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
372#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
373#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
374#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
375#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
376#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
377#define OSC_PCI_CONTROL_MASKS 0x0000001f
378
379#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
380#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
381#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
382#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
383#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
384#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
385#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
386#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
387#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
388#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
389
390extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
391 u32 *mask, u32 req);
392
393/* Enable _OST when all relevant hotplug operations are enabled */
394#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
395 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
396 defined(CONFIG_ACPI_CONTAINER)
397#define ACPI_HOTPLUG_OST
398#endif
399
400/* _OST Source Event Code (OSPM Action) */
401#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
402#define ACPI_OST_EC_OSPM_EJECT 0x103
403#define ACPI_OST_EC_OSPM_INSERTION 0x200
404
405/* _OST General Processing Status Code */
406#define ACPI_OST_SC_SUCCESS 0x0
407#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
408#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
409
410/* _OST OS Shutdown Processing (0x100) Status Code */
411#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
412#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
413#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
414#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
415
416/* _OST Ejection Request (0x3, 0x103) Status Code */
417#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
418#define ACPI_OST_SC_DEVICE_IN_USE 0x81
419#define ACPI_OST_SC_DEVICE_BUSY 0x82
420#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
421#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
422
423/* _OST Insertion Request (0x200) Status Code */
424#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
425#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
426#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
427
428extern void acpi_early_init(void);
429extern void acpi_subsystem_init(void);
430
431extern int acpi_nvs_register(__u64 start, __u64 size);
432
433extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
434 void *data);
435
436const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
437 const struct device *dev);
438
439extern bool acpi_driver_match_device(struct device *dev,
440 const struct device_driver *drv);
441int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
442int acpi_device_modalias(struct device *, char *, int);
443void acpi_walk_dep_device_list(acpi_handle handle);
444
445struct platform_device *acpi_create_platform_device(struct acpi_device *);
446#define ACPI_PTR(_ptr) (_ptr)
447
448#else /* !CONFIG_ACPI */
449
450#define acpi_disabled 1
451
452#define ACPI_COMPANION(dev) (NULL)
453#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
454#define ACPI_HANDLE(dev) (NULL)
455#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
456
457struct fwnode_handle;
458
459static inline bool is_acpi_node(struct fwnode_handle *fwnode)
460{
461 return false;
462}
463
464static inline struct acpi_device *to_acpi_node(struct fwnode_handle *fwnode)
465{
466 return NULL;
467}
468
469static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
470{
471 return NULL;
472}
473
474static inline bool has_acpi_companion(struct device *dev)
475{
476 return false;
477}
478
479static inline const char *acpi_dev_name(struct acpi_device *adev)
480{
481 return NULL;
482}
483
484static inline void acpi_early_init(void) { }
485static inline void acpi_subsystem_init(void) { }
486
487static inline int early_acpi_boot_init(void)
488{
489 return 0;
490}
491static inline int acpi_boot_init(void)
492{
493 return 0;
494}
495
496static inline void acpi_boot_table_init(void)
497{
498 return;
499}
500
501static inline int acpi_mps_check(void)
502{
503 return 0;
504}
505
506static inline int acpi_check_resource_conflict(struct resource *res)
507{
508 return 0;
509}
510
511static inline int acpi_check_region(resource_size_t start, resource_size_t n,
512 const char *name)
513{
514 return 0;
515}
516
517struct acpi_table_header;
518static inline int acpi_table_parse(char *id,
519 int (*handler)(struct acpi_table_header *))
520{
521 return -ENODEV;
522}
523
524static inline int acpi_nvs_register(__u64 start, __u64 size)
525{
526 return 0;
527}
528
529static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
530 void *data)
531{
532 return 0;
533}
534
535struct acpi_device_id;
536
537static inline const struct acpi_device_id *acpi_match_device(
538 const struct acpi_device_id *ids, const struct device *dev)
539{
540 return NULL;
541}
542
543static inline bool acpi_driver_match_device(struct device *dev,
544 const struct device_driver *drv)
545{
546 return false;
547}
548
549static inline int acpi_device_uevent_modalias(struct device *dev,
550 struct kobj_uevent_env *env)
551{
552 return -ENODEV;
553}
554
555static inline int acpi_device_modalias(struct device *dev,
556 char *buf, int size)
557{
558 return -ENODEV;
559}
560
561static inline bool acpi_check_dma(struct acpi_device *adev, bool *coherent)
562{
563 return false;
564}
565
566#define ACPI_PTR(_ptr) (NULL)
567
568#endif /* !CONFIG_ACPI */
569
570#ifdef CONFIG_ACPI
571void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
572 u32 pm1a_ctrl, u32 pm1b_ctrl));
573
574acpi_status acpi_os_prepare_sleep(u8 sleep_state,
575 u32 pm1a_control, u32 pm1b_control);
576
577void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
578 u32 val_a, u32 val_b));
579
580acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
581 u32 val_a, u32 val_b);
582
583#ifdef CONFIG_X86
584void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
585#else
586static inline void arch_reserve_mem_area(acpi_physical_address addr,
587 size_t size)
588{
589}
590#endif /* CONFIG_X86 */
591#else
592#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
593#endif
594
595#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
596int acpi_dev_runtime_suspend(struct device *dev);
597int acpi_dev_runtime_resume(struct device *dev);
598int acpi_subsys_runtime_suspend(struct device *dev);
599int acpi_subsys_runtime_resume(struct device *dev);
600struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
601int acpi_dev_pm_attach(struct device *dev, bool power_on);
602#else
603static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
604static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
605static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
606static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
607static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
608{
609 return NULL;
610}
611static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
612{
613 return -ENODEV;
614}
615#endif
616
617#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
618int acpi_dev_suspend_late(struct device *dev);
619int acpi_dev_resume_early(struct device *dev);
620int acpi_subsys_prepare(struct device *dev);
621void acpi_subsys_complete(struct device *dev);
622int acpi_subsys_suspend_late(struct device *dev);
623int acpi_subsys_resume_early(struct device *dev);
624int acpi_subsys_suspend(struct device *dev);
625int acpi_subsys_freeze(struct device *dev);
626#else
627static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
628static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
629static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
630static inline void acpi_subsys_complete(struct device *dev) {}
631static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
632static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
633static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
634static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
635#endif
636
637#ifdef CONFIG_ACPI
638__printf(3, 4)
639void acpi_handle_printk(const char *level, acpi_handle handle,
640 const char *fmt, ...);
641#else /* !CONFIG_ACPI */
642static inline __printf(3, 4) void
643acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
644#endif /* !CONFIG_ACPI */
645
646#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
647__printf(3, 4)
648void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
649#else
650#define __acpi_handle_debug(descriptor, handle, fmt, ...) \
651 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
652#endif
653
654/*
655 * acpi_handle_<level>: Print message with ACPI prefix and object path
656 *
657 * These interfaces acquire the global namespace mutex to obtain an object
658 * path. In interrupt context, it shows the object path as <n/a>.
659 */
660#define acpi_handle_emerg(handle, fmt, ...) \
661 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
662#define acpi_handle_alert(handle, fmt, ...) \
663 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
664#define acpi_handle_crit(handle, fmt, ...) \
665 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
666#define acpi_handle_err(handle, fmt, ...) \
667 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
668#define acpi_handle_warn(handle, fmt, ...) \
669 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
670#define acpi_handle_notice(handle, fmt, ...) \
671 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
672#define acpi_handle_info(handle, fmt, ...) \
673 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
674
675#if defined(DEBUG)
676#define acpi_handle_debug(handle, fmt, ...) \
677 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
678#else
679#if defined(CONFIG_DYNAMIC_DEBUG)
680#define acpi_handle_debug(handle, fmt, ...) \
681do { \
682 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
683 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
684 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
685 ##__VA_ARGS__); \
686} while (0)
687#else
688#define acpi_handle_debug(handle, fmt, ...) \
689({ \
690 if (0) \
691 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
692 0; \
693})
694#endif
695#endif
696
697struct acpi_gpio_params {
698 unsigned int crs_entry_index;
699 unsigned int line_index;
700 bool active_low;
701};
702
703struct acpi_gpio_mapping {
704 const char *name;
705 const struct acpi_gpio_params *data;
706 unsigned int size;
707};
708
709#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
710int acpi_dev_add_driver_gpios(struct acpi_device *adev,
711 const struct acpi_gpio_mapping *gpios);
712
713static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
714{
715 if (adev)
716 adev->driver_gpios = NULL;
717}
718
719int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
720#else
721static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
722 const struct acpi_gpio_mapping *gpios)
723{
724 return -ENXIO;
725}
726static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
727
728static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
729{
730 return -ENXIO;
731}
732#endif
733
734/* Device properties */
735
736#define MAX_ACPI_REFERENCE_ARGS 8
737struct acpi_reference_args {
738 struct acpi_device *adev;
739 size_t nargs;
740 u64 args[MAX_ACPI_REFERENCE_ARGS];
741};
742
743#ifdef CONFIG_ACPI
744int acpi_dev_get_property(struct acpi_device *adev, const char *name,
745 acpi_object_type type, const union acpi_object **obj);
746int acpi_dev_get_property_array(struct acpi_device *adev, const char *name,
747 acpi_object_type type,
748 const union acpi_object **obj);
749int acpi_dev_get_property_reference(struct acpi_device *adev,
750 const char *name, size_t index,
751 struct acpi_reference_args *args);
752
753int acpi_dev_prop_get(struct acpi_device *adev, const char *propname,
754 void **valptr);
755int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
756 enum dev_prop_type proptype, void *val);
757int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
758 enum dev_prop_type proptype, void *val, size_t nval);
759
760struct acpi_device *acpi_get_next_child(struct device *dev,
761 struct acpi_device *child);
762#else
763static inline int acpi_dev_get_property(struct acpi_device *adev,
764 const char *name, acpi_object_type type,
765 const union acpi_object **obj)
766{
767 return -ENXIO;
768}
769static inline int acpi_dev_get_property_array(struct acpi_device *adev,
770 const char *name,
771 acpi_object_type type,
772 const union acpi_object **obj)
773{
774 return -ENXIO;
775}
776static inline int acpi_dev_get_property_reference(struct acpi_device *adev,
777 const char *name, const char *cells_name,
778 size_t index, struct acpi_reference_args *args)
779{
780 return -ENXIO;
781}
782
783static inline int acpi_dev_prop_get(struct acpi_device *adev,
784 const char *propname,
785 void **valptr)
786{
787 return -ENXIO;
788}
789
790static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
791 const char *propname,
792 enum dev_prop_type proptype,
793 void *val)
794{
795 return -ENXIO;
796}
797
798static inline int acpi_dev_prop_read(struct acpi_device *adev,
799 const char *propname,
800 enum dev_prop_type proptype,
801 void *val, size_t nval)
802{
803 return -ENXIO;
804}
805
806static inline struct acpi_device *acpi_get_next_child(struct device *dev,
807 struct acpi_device *child)
808{
809 return NULL;
810}
811
812#endif
813
814#endif /*_LINUX_ACPI_H*/