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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 * 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/resource_ext.h>
31#include <linux/device.h>
32#include <linux/property.h>
33
34#ifndef _LINUX
35#define _LINUX
36#endif
37#include <acpi/acpi.h>
38
39#ifdef CONFIG_ACPI
40
41#include <linux/list.h>
42#include <linux/mod_devicetable.h>
43#include <linux/dynamic_debug.h>
44
45#include <acpi/acpi_bus.h>
46#include <acpi/acpi_drivers.h>
47#include <acpi/acpi_numa.h>
48#include <acpi/acpi_io.h>
49#include <asm/acpi.h>
50
51static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
52{
53 return adev ? adev->handle : NULL;
54}
55
56#define ACPI_COMPANION(dev) to_acpi_node((dev)->fwnode)
57#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
58 acpi_fwnode_handle(adev) : NULL)
59#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
60
61/**
62 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
63 * the PCI-defined class-code information
64 *
65 * @_cls : the class, subclass, prog-if triple for this device
66 * @_msk : the class mask for this device
67 *
68 * This macro is used to create a struct acpi_device_id that matches a
69 * specific PCI class. The .id and .driver_data fields will be left
70 * initialized with the default value.
71 */
72#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk),
73
74static inline bool has_acpi_companion(struct device *dev)
75{
76 return is_acpi_node(dev->fwnode);
77}
78
79static inline void acpi_preset_companion(struct device *dev,
80 struct acpi_device *parent, u64 addr)
81{
82 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
83}
84
85static inline const char *acpi_dev_name(struct acpi_device *adev)
86{
87 return dev_name(&adev->dev);
88}
89
90enum acpi_irq_model_id {
91 ACPI_IRQ_MODEL_PIC = 0,
92 ACPI_IRQ_MODEL_IOAPIC,
93 ACPI_IRQ_MODEL_IOSAPIC,
94 ACPI_IRQ_MODEL_PLATFORM,
95 ACPI_IRQ_MODEL_GIC,
96 ACPI_IRQ_MODEL_COUNT
97};
98
99extern enum acpi_irq_model_id acpi_irq_model;
100
101enum acpi_interrupt_id {
102 ACPI_INTERRUPT_PMI = 1,
103 ACPI_INTERRUPT_INIT,
104 ACPI_INTERRUPT_CPEI,
105 ACPI_INTERRUPT_COUNT
106};
107
108#define ACPI_SPACE_MEM 0
109
110enum acpi_address_range_id {
111 ACPI_ADDRESS_RANGE_MEMORY = 1,
112 ACPI_ADDRESS_RANGE_RESERVED = 2,
113 ACPI_ADDRESS_RANGE_ACPI = 3,
114 ACPI_ADDRESS_RANGE_NVS = 4,
115 ACPI_ADDRESS_RANGE_COUNT
116};
117
118
119/* Table Handlers */
120
121typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
122
123typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
124 const unsigned long end);
125
126#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
127void acpi_initrd_override(void *data, size_t size);
128#else
129static inline void acpi_initrd_override(void *data, size_t size)
130{
131}
132#endif
133
134#define BAD_MADT_ENTRY(entry, end) ( \
135 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
136 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
137
138char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
139void __acpi_unmap_table(char *map, unsigned long size);
140int early_acpi_boot_init(void);
141int acpi_boot_init (void);
142void acpi_boot_table_init (void);
143int acpi_mps_check (void);
144int acpi_numa_init (void);
145
146int acpi_table_init (void);
147int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
148int __init acpi_parse_entries(char *id, unsigned long table_size,
149 acpi_tbl_entry_handler handler,
150 struct acpi_table_header *table_header,
151 int entry_id, unsigned int max_entries);
152int __init acpi_table_parse_entries(char *id, unsigned long table_size,
153 int entry_id,
154 acpi_tbl_entry_handler handler,
155 unsigned int max_entries);
156int acpi_table_parse_madt(enum acpi_madt_type id,
157 acpi_tbl_entry_handler handler,
158 unsigned int max_entries);
159int acpi_parse_mcfg (struct acpi_table_header *header);
160void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
161
162/* the following four functions are architecture-dependent */
163void acpi_numa_slit_init (struct acpi_table_slit *slit);
164void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
165void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
166int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
167void acpi_numa_arch_fixup(void);
168
169#ifndef PHYS_CPUID_INVALID
170typedef u32 phys_cpuid_t;
171#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
172#endif
173
174static inline bool invalid_logical_cpuid(u32 cpuid)
175{
176 return (int)cpuid < 0;
177}
178
179static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
180{
181 return phys_id == PHYS_CPUID_INVALID;
182}
183
184#ifdef CONFIG_ACPI_HOTPLUG_CPU
185/* Arch dependent functions for cpu hotplug support */
186int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
187int acpi_unmap_cpu(int cpu);
188#endif /* CONFIG_ACPI_HOTPLUG_CPU */
189
190#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
191int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
192#endif
193
194int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
195int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
196int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
197void acpi_irq_stats_init(void);
198extern u32 acpi_irq_handled;
199extern u32 acpi_irq_not_handled;
200
201extern int sbf_port;
202extern unsigned long acpi_realmode_flags;
203
204int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
205int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
206int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
207
208#ifdef CONFIG_X86_IO_APIC
209extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
210#else
211#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
212#endif
213/*
214 * This function undoes the effect of one call to acpi_register_gsi().
215 * If this matches the last registration, any IRQ resources for gsi
216 * are freed.
217 */
218void acpi_unregister_gsi (u32 gsi);
219
220struct pci_dev;
221
222int acpi_pci_irq_enable (struct pci_dev *dev);
223void acpi_penalize_isa_irq(int irq, int active);
224
225void acpi_pci_irq_disable (struct pci_dev *dev);
226
227extern int ec_read(u8 addr, u8 *val);
228extern int ec_write(u8 addr, u8 val);
229extern int ec_transaction(u8 command,
230 const u8 *wdata, unsigned wdata_len,
231 u8 *rdata, unsigned rdata_len);
232extern acpi_handle ec_get_handle(void);
233
234extern bool acpi_is_pnp_device(struct acpi_device *);
235
236#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
237
238typedef void (*wmi_notify_handler) (u32 value, void *context);
239
240extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
241 u32 method_id,
242 const struct acpi_buffer *in,
243 struct acpi_buffer *out);
244extern acpi_status wmi_query_block(const char *guid, u8 instance,
245 struct acpi_buffer *out);
246extern acpi_status wmi_set_block(const char *guid, u8 instance,
247 const struct acpi_buffer *in);
248extern acpi_status wmi_install_notify_handler(const char *guid,
249 wmi_notify_handler handler, void *data);
250extern acpi_status wmi_remove_notify_handler(const char *guid);
251extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
252extern bool wmi_has_guid(const char *guid);
253
254#endif /* CONFIG_ACPI_WMI */
255
256#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
257#define ACPI_VIDEO_DEVICE_POSTING 0x0002
258#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
259#define ACPI_VIDEO_BACKLIGHT 0x0008
260#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
261#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
262#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
263#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
264#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
265#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
266#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
267#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
268
269extern char acpi_video_backlight_string[];
270extern long acpi_is_video_device(acpi_handle handle);
271extern int acpi_blacklisted(void);
272extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
273extern void acpi_osi_setup(char *str);
274extern bool acpi_osi_is_win8(void);
275
276#ifdef CONFIG_ACPI_NUMA
277int acpi_map_pxm_to_online_node(int pxm);
278int acpi_get_node(acpi_handle handle);
279#else
280static inline int acpi_map_pxm_to_online_node(int pxm)
281{
282 return 0;
283}
284static inline int acpi_get_node(acpi_handle handle)
285{
286 return 0;
287}
288#endif
289extern int acpi_paddr_to_node(u64 start_addr, u64 size);
290
291extern int pnpacpi_disabled;
292
293#define PXM_INVAL (-1)
294
295bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
296bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
297bool acpi_dev_resource_address_space(struct acpi_resource *ares,
298 struct resource_win *win);
299bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
300 struct resource_win *win);
301unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
302bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
303 struct resource *res);
304
305void acpi_dev_free_resource_list(struct list_head *list);
306int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
307 int (*preproc)(struct acpi_resource *, void *),
308 void *preproc_data);
309int acpi_dev_filter_resource_type(struct acpi_resource *ares,
310 unsigned long types);
311
312static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
313 void *arg)
314{
315 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
316}
317
318int acpi_check_resource_conflict(const struct resource *res);
319
320int acpi_check_region(resource_size_t start, resource_size_t n,
321 const char *name);
322
323int acpi_resources_are_enforced(void);
324
325#ifdef CONFIG_HIBERNATION
326void __init acpi_no_s4_hw_signature(void);
327#endif
328
329#ifdef CONFIG_PM_SLEEP
330void __init acpi_old_suspend_ordering(void);
331void __init acpi_nvs_nosave(void);
332void __init acpi_nvs_nosave_s3(void);
333#endif /* CONFIG_PM_SLEEP */
334
335struct acpi_osc_context {
336 char *uuid_str; /* UUID string */
337 int rev;
338 struct acpi_buffer cap; /* list of DWORD capabilities */
339 struct acpi_buffer ret; /* free by caller if success */
340};
341
342acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
343acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
344
345/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
346#define OSC_QUERY_DWORD 0 /* DWORD 1 */
347#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
348#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
349
350/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
351#define OSC_QUERY_ENABLE 0x00000001 /* input */
352#define OSC_REQUEST_ERROR 0x00000002 /* return */
353#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
354#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
355#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
356
357/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
358#define OSC_SB_PAD_SUPPORT 0x00000001
359#define OSC_SB_PPC_OST_SUPPORT 0x00000002
360#define OSC_SB_PR3_SUPPORT 0x00000004
361#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
362#define OSC_SB_APEI_SUPPORT 0x00000010
363#define OSC_SB_CPC_SUPPORT 0x00000020
364
365extern bool osc_sb_apei_support_acked;
366
367/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
368#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
369#define OSC_PCI_ASPM_SUPPORT 0x00000002
370#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
371#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
372#define OSC_PCI_MSI_SUPPORT 0x00000010
373#define OSC_PCI_SUPPORT_MASKS 0x0000001f
374
375/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
376#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
377#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
378#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
379#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
380#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
381#define OSC_PCI_CONTROL_MASKS 0x0000001f
382
383#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
384#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
385#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
386#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
387#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
388#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
389#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
390#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
391#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
392#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
393
394extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
395 u32 *mask, u32 req);
396
397/* Enable _OST when all relevant hotplug operations are enabled */
398#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
399 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
400 defined(CONFIG_ACPI_CONTAINER)
401#define ACPI_HOTPLUG_OST
402#endif
403
404/* _OST Source Event Code (OSPM Action) */
405#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
406#define ACPI_OST_EC_OSPM_EJECT 0x103
407#define ACPI_OST_EC_OSPM_INSERTION 0x200
408
409/* _OST General Processing Status Code */
410#define ACPI_OST_SC_SUCCESS 0x0
411#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
412#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
413
414/* _OST OS Shutdown Processing (0x100) Status Code */
415#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
416#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
417#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
418#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
419
420/* _OST Ejection Request (0x3, 0x103) Status Code */
421#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
422#define ACPI_OST_SC_DEVICE_IN_USE 0x81
423#define ACPI_OST_SC_DEVICE_BUSY 0x82
424#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
425#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
426
427/* _OST Insertion Request (0x200) Status Code */
428#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
429#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
430#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
431
432extern void acpi_early_init(void);
433extern void acpi_subsystem_init(void);
434
435extern int acpi_nvs_register(__u64 start, __u64 size);
436
437extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
438 void *data);
439
440const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
441 const struct device *dev);
442
443extern bool acpi_driver_match_device(struct device *dev,
444 const struct device_driver *drv);
445int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
446int acpi_device_modalias(struct device *, char *, int);
447void acpi_walk_dep_device_list(acpi_handle handle);
448
449struct platform_device *acpi_create_platform_device(struct acpi_device *);
450#define ACPI_PTR(_ptr) (_ptr)
451
452#else /* !CONFIG_ACPI */
453
454#define acpi_disabled 1
455
456#define ACPI_COMPANION(dev) (NULL)
457#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
458#define ACPI_HANDLE(dev) (NULL)
459#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
460
461struct fwnode_handle;
462
463static inline bool is_acpi_node(struct fwnode_handle *fwnode)
464{
465 return false;
466}
467
468static inline struct acpi_device *to_acpi_node(struct fwnode_handle *fwnode)
469{
470 return NULL;
471}
472
473static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
474{
475 return NULL;
476}
477
478static inline bool has_acpi_companion(struct device *dev)
479{
480 return false;
481}
482
483static inline const char *acpi_dev_name(struct acpi_device *adev)
484{
485 return NULL;
486}
487
488static inline void acpi_early_init(void) { }
489static inline void acpi_subsystem_init(void) { }
490
491static inline int early_acpi_boot_init(void)
492{
493 return 0;
494}
495static inline int acpi_boot_init(void)
496{
497 return 0;
498}
499
500static inline void acpi_boot_table_init(void)
501{
502 return;
503}
504
505static inline int acpi_mps_check(void)
506{
507 return 0;
508}
509
510static inline int acpi_check_resource_conflict(struct resource *res)
511{
512 return 0;
513}
514
515static inline int acpi_check_region(resource_size_t start, resource_size_t n,
516 const char *name)
517{
518 return 0;
519}
520
521struct acpi_table_header;
522static inline int acpi_table_parse(char *id,
523 int (*handler)(struct acpi_table_header *))
524{
525 return -ENODEV;
526}
527
528static inline int acpi_nvs_register(__u64 start, __u64 size)
529{
530 return 0;
531}
532
533static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
534 void *data)
535{
536 return 0;
537}
538
539struct acpi_device_id;
540
541static inline const struct acpi_device_id *acpi_match_device(
542 const struct acpi_device_id *ids, const struct device *dev)
543{
544 return NULL;
545}
546
547static inline bool acpi_driver_match_device(struct device *dev,
548 const struct device_driver *drv)
549{
550 return false;
551}
552
553static inline int acpi_device_uevent_modalias(struct device *dev,
554 struct kobj_uevent_env *env)
555{
556 return -ENODEV;
557}
558
559static inline int acpi_device_modalias(struct device *dev,
560 char *buf, int size)
561{
562 return -ENODEV;
563}
564
565static inline bool acpi_check_dma(struct acpi_device *adev, bool *coherent)
566{
567 return false;
568}
569
570#define ACPI_PTR(_ptr) (NULL)
571
572#endif /* !CONFIG_ACPI */
573
574#ifdef CONFIG_ACPI
575void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
576 u32 pm1a_ctrl, u32 pm1b_ctrl));
577
578acpi_status acpi_os_prepare_sleep(u8 sleep_state,
579 u32 pm1a_control, u32 pm1b_control);
580
581void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
582 u32 val_a, u32 val_b));
583
584acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
585 u32 val_a, u32 val_b);
586
587#ifdef CONFIG_X86
588void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
589#else
590static inline void arch_reserve_mem_area(acpi_physical_address addr,
591 size_t size)
592{
593}
594#endif /* CONFIG_X86 */
595#else
596#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
597#endif
598
599#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
600int acpi_dev_runtime_suspend(struct device *dev);
601int acpi_dev_runtime_resume(struct device *dev);
602int acpi_subsys_runtime_suspend(struct device *dev);
603int acpi_subsys_runtime_resume(struct device *dev);
604struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
605int acpi_dev_pm_attach(struct device *dev, bool power_on);
606#else
607static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
608static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
609static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
610static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
611static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
612{
613 return NULL;
614}
615static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
616{
617 return -ENODEV;
618}
619#endif
620
621#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
622int acpi_dev_suspend_late(struct device *dev);
623int acpi_dev_resume_early(struct device *dev);
624int acpi_subsys_prepare(struct device *dev);
625void acpi_subsys_complete(struct device *dev);
626int acpi_subsys_suspend_late(struct device *dev);
627int acpi_subsys_resume_early(struct device *dev);
628int acpi_subsys_suspend(struct device *dev);
629int acpi_subsys_freeze(struct device *dev);
630#else
631static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
632static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
633static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
634static inline void acpi_subsys_complete(struct device *dev) {}
635static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
636static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
637static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
638static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
639#endif
640
641#ifdef CONFIG_ACPI
642__printf(3, 4)
643void acpi_handle_printk(const char *level, acpi_handle handle,
644 const char *fmt, ...);
645#else /* !CONFIG_ACPI */
646static inline __printf(3, 4) void
647acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
648#endif /* !CONFIG_ACPI */
649
650#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
651__printf(3, 4)
652void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
653#else
654#define __acpi_handle_debug(descriptor, handle, fmt, ...) \
655 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
656#endif
657
658/*
659 * acpi_handle_<level>: Print message with ACPI prefix and object path
660 *
661 * These interfaces acquire the global namespace mutex to obtain an object
662 * path. In interrupt context, it shows the object path as <n/a>.
663 */
664#define acpi_handle_emerg(handle, fmt, ...) \
665 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
666#define acpi_handle_alert(handle, fmt, ...) \
667 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
668#define acpi_handle_crit(handle, fmt, ...) \
669 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
670#define acpi_handle_err(handle, fmt, ...) \
671 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
672#define acpi_handle_warn(handle, fmt, ...) \
673 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
674#define acpi_handle_notice(handle, fmt, ...) \
675 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
676#define acpi_handle_info(handle, fmt, ...) \
677 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
678
679#if defined(DEBUG)
680#define acpi_handle_debug(handle, fmt, ...) \
681 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
682#else
683#if defined(CONFIG_DYNAMIC_DEBUG)
684#define acpi_handle_debug(handle, fmt, ...) \
685do { \
686 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
687 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
688 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
689 ##__VA_ARGS__); \
690} while (0)
691#else
692#define acpi_handle_debug(handle, fmt, ...) \
693({ \
694 if (0) \
695 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
696 0; \
697})
698#endif
699#endif
700
701struct acpi_gpio_params {
702 unsigned int crs_entry_index;
703 unsigned int line_index;
704 bool active_low;
705};
706
707struct acpi_gpio_mapping {
708 const char *name;
709 const struct acpi_gpio_params *data;
710 unsigned int size;
711};
712
713#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
714int acpi_dev_add_driver_gpios(struct acpi_device *adev,
715 const struct acpi_gpio_mapping *gpios);
716
717static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
718{
719 if (adev)
720 adev->driver_gpios = NULL;
721}
722
723int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
724#else
725static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
726 const struct acpi_gpio_mapping *gpios)
727{
728 return -ENXIO;
729}
730static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
731
732static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
733{
734 return -ENXIO;
735}
736#endif
737
738/* Device properties */
739
740#define MAX_ACPI_REFERENCE_ARGS 8
741struct acpi_reference_args {
742 struct acpi_device *adev;
743 size_t nargs;
744 u64 args[MAX_ACPI_REFERENCE_ARGS];
745};
746
747#ifdef CONFIG_ACPI
748int acpi_dev_get_property(struct acpi_device *adev, const char *name,
749 acpi_object_type type, const union acpi_object **obj);
750int acpi_dev_get_property_array(struct acpi_device *adev, const char *name,
751 acpi_object_type type,
752 const union acpi_object **obj);
753int acpi_dev_get_property_reference(struct acpi_device *adev,
754 const char *name, size_t index,
755 struct acpi_reference_args *args);
756
757int acpi_dev_prop_get(struct acpi_device *adev, const char *propname,
758 void **valptr);
759int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
760 enum dev_prop_type proptype, void *val);
761int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
762 enum dev_prop_type proptype, void *val, size_t nval);
763
764struct acpi_device *acpi_get_next_child(struct device *dev,
765 struct acpi_device *child);
766#else
767static inline int acpi_dev_get_property(struct acpi_device *adev,
768 const char *name, acpi_object_type type,
769 const union acpi_object **obj)
770{
771 return -ENXIO;
772}
773static inline int acpi_dev_get_property_array(struct acpi_device *adev,
774 const char *name,
775 acpi_object_type type,
776 const union acpi_object **obj)
777{
778 return -ENXIO;
779}
780static inline int acpi_dev_get_property_reference(struct acpi_device *adev,
781 const char *name, const char *cells_name,
782 size_t index, struct acpi_reference_args *args)
783{
784 return -ENXIO;
785}
786
787static inline int acpi_dev_prop_get(struct acpi_device *adev,
788 const char *propname,
789 void **valptr)
790{
791 return -ENXIO;
792}
793
794static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
795 const char *propname,
796 enum dev_prop_type proptype,
797 void *val)
798{
799 return -ENXIO;
800}
801
802static inline int acpi_dev_prop_read(struct acpi_device *adev,
803 const char *propname,
804 enum dev_prop_type proptype,
805 void *val, size_t nval)
806{
807 return -ENXIO;
808}
809
810static inline struct acpi_device *acpi_get_next_child(struct device *dev,
811 struct acpi_device *child)
812{
813 return NULL;
814}
815
816#endif
817
818#endif /*_LINUX_ACPI_H*/