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#include <linux/uuid.h>
30
31#ifndef _LINUX
32#define _LINUX
33#endif
34#include <acpi/acpi.h>
35
36#ifdef CONFIG_ACPI
37
38#include <linux/list.h>
39#include <linux/mod_devicetable.h>
40#include <linux/dynamic_debug.h>
41#include <linux/module.h>
42#include <linux/mutex.h>
43
44#include <acpi/acpi_bus.h>
45#include <acpi/acpi_drivers.h>
46#include <acpi/acpi_numa.h>
47#include <acpi/acpi_io.h>
48#include <asm/acpi.h>
49
50static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
51{
52 return adev ? adev->handle : NULL;
53}
54
55#define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
56#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
57 acpi_fwnode_handle(adev) : NULL)
58#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
59#define ACPI_HANDLE_FWNODE(fwnode) \
60 acpi_device_handle(to_acpi_device_node(fwnode))
61
62static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
63{
64 struct fwnode_handle *fwnode;
65
66 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
67 if (!fwnode)
68 return NULL;
69
70 fwnode->ops = &acpi_static_fwnode_ops;
71
72 return fwnode;
73}
74
75static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
76{
77 if (WARN_ON(!is_acpi_static_node(fwnode)))
78 return;
79
80 kfree(fwnode);
81}
82
83/**
84 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
85 * the PCI-defined class-code information
86 *
87 * @_cls : the class, subclass, prog-if triple for this device
88 * @_msk : the class mask for this device
89 *
90 * This macro is used to create a struct acpi_device_id that matches a
91 * specific PCI class. The .id and .driver_data fields will be left
92 * initialized with the default value.
93 */
94#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk),
95
96static inline bool has_acpi_companion(struct device *dev)
97{
98 return is_acpi_device_node(dev->fwnode);
99}
100
101static inline void acpi_preset_companion(struct device *dev,
102 struct acpi_device *parent, u64 addr)
103{
104 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
105}
106
107static inline const char *acpi_dev_name(struct acpi_device *adev)
108{
109 return dev_name(&adev->dev);
110}
111
112struct device *acpi_get_first_physical_node(struct acpi_device *adev);
113
114enum acpi_irq_model_id {
115 ACPI_IRQ_MODEL_PIC = 0,
116 ACPI_IRQ_MODEL_IOAPIC,
117 ACPI_IRQ_MODEL_IOSAPIC,
118 ACPI_IRQ_MODEL_PLATFORM,
119 ACPI_IRQ_MODEL_GIC,
120 ACPI_IRQ_MODEL_COUNT
121};
122
123extern enum acpi_irq_model_id acpi_irq_model;
124
125enum acpi_interrupt_id {
126 ACPI_INTERRUPT_PMI = 1,
127 ACPI_INTERRUPT_INIT,
128 ACPI_INTERRUPT_CPEI,
129 ACPI_INTERRUPT_COUNT
130};
131
132#define ACPI_SPACE_MEM 0
133
134enum acpi_address_range_id {
135 ACPI_ADDRESS_RANGE_MEMORY = 1,
136 ACPI_ADDRESS_RANGE_RESERVED = 2,
137 ACPI_ADDRESS_RANGE_ACPI = 3,
138 ACPI_ADDRESS_RANGE_NVS = 4,
139 ACPI_ADDRESS_RANGE_COUNT
140};
141
142
143/* Table Handlers */
144
145typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
146
147typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
148 const unsigned long end);
149
150/* Debugger support */
151
152struct acpi_debugger_ops {
153 int (*create_thread)(acpi_osd_exec_callback function, void *context);
154 ssize_t (*write_log)(const char *msg);
155 ssize_t (*read_cmd)(char *buffer, size_t length);
156 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
157 int (*notify_command_complete)(void);
158};
159
160struct acpi_debugger {
161 const struct acpi_debugger_ops *ops;
162 struct module *owner;
163 struct mutex lock;
164};
165
166#ifdef CONFIG_ACPI_DEBUGGER
167int __init acpi_debugger_init(void);
168int acpi_register_debugger(struct module *owner,
169 const struct acpi_debugger_ops *ops);
170void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
171int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
172ssize_t acpi_debugger_write_log(const char *msg);
173ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
174int acpi_debugger_wait_command_ready(void);
175int acpi_debugger_notify_command_complete(void);
176#else
177static inline int acpi_debugger_init(void)
178{
179 return -ENODEV;
180}
181
182static inline int acpi_register_debugger(struct module *owner,
183 const struct acpi_debugger_ops *ops)
184{
185 return -ENODEV;
186}
187
188static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
189{
190}
191
192static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
193 void *context)
194{
195 return -ENODEV;
196}
197
198static inline int acpi_debugger_write_log(const char *msg)
199{
200 return -ENODEV;
201}
202
203static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
204{
205 return -ENODEV;
206}
207
208static inline int acpi_debugger_wait_command_ready(void)
209{
210 return -ENODEV;
211}
212
213static inline int acpi_debugger_notify_command_complete(void)
214{
215 return -ENODEV;
216}
217#endif
218
219#define BAD_MADT_ENTRY(entry, end) ( \
220 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
221 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
222
223struct acpi_subtable_proc {
224 int id;
225 acpi_tbl_entry_handler handler;
226 int count;
227};
228
229void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
230void __acpi_unmap_table(void __iomem *map, unsigned long size);
231int early_acpi_boot_init(void);
232int acpi_boot_init (void);
233void acpi_boot_table_init (void);
234int acpi_mps_check (void);
235int acpi_numa_init (void);
236
237int acpi_table_init (void);
238int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
239int __init acpi_table_parse_entries(char *id, unsigned long table_size,
240 int entry_id,
241 acpi_tbl_entry_handler handler,
242 unsigned int max_entries);
243int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
244 struct acpi_subtable_proc *proc, int proc_num,
245 unsigned int max_entries);
246int acpi_table_parse_madt(enum acpi_madt_type id,
247 acpi_tbl_entry_handler handler,
248 unsigned int max_entries);
249int acpi_parse_mcfg (struct acpi_table_header *header);
250void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
251
252/* the following numa functions are architecture-dependent */
253void acpi_numa_slit_init (struct acpi_table_slit *slit);
254
255#if defined(CONFIG_X86) || defined(CONFIG_IA64)
256void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
257#else
258static inline void
259acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
260#endif
261
262void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
263
264#ifdef CONFIG_ARM64
265void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
266#else
267static inline void
268acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
269#endif
270
271int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
272
273#ifndef PHYS_CPUID_INVALID
274typedef u32 phys_cpuid_t;
275#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
276#endif
277
278static inline bool invalid_logical_cpuid(u32 cpuid)
279{
280 return (int)cpuid < 0;
281}
282
283static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
284{
285 return phys_id == PHYS_CPUID_INVALID;
286}
287
288/* Validate the processor object's proc_id */
289bool acpi_duplicate_processor_id(int proc_id);
290
291#ifdef CONFIG_ACPI_HOTPLUG_CPU
292/* Arch dependent functions for cpu hotplug support */
293int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
294 int *pcpu);
295int acpi_unmap_cpu(int cpu);
296#endif /* CONFIG_ACPI_HOTPLUG_CPU */
297
298#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
299int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
300#endif
301
302int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
303int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
304int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
305void acpi_irq_stats_init(void);
306extern u32 acpi_irq_handled;
307extern u32 acpi_irq_not_handled;
308extern unsigned int acpi_sci_irq;
309extern bool acpi_no_s5;
310#define INVALID_ACPI_IRQ ((unsigned)-1)
311static inline bool acpi_sci_irq_valid(void)
312{
313 return acpi_sci_irq != INVALID_ACPI_IRQ;
314}
315
316extern int sbf_port;
317extern unsigned long acpi_realmode_flags;
318
319int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
320int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
321int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
322
323void acpi_set_irq_model(enum acpi_irq_model_id model,
324 struct fwnode_handle *fwnode);
325
326#ifdef CONFIG_X86_IO_APIC
327extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
328#else
329#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
330#endif
331/*
332 * This function undoes the effect of one call to acpi_register_gsi().
333 * If this matches the last registration, any IRQ resources for gsi
334 * are freed.
335 */
336void acpi_unregister_gsi (u32 gsi);
337
338struct pci_dev;
339
340int acpi_pci_irq_enable (struct pci_dev *dev);
341void acpi_penalize_isa_irq(int irq, int active);
342bool acpi_isa_irq_available(int irq);
343#ifdef CONFIG_PCI
344void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
345#else
346static inline void acpi_penalize_sci_irq(int irq, int trigger,
347 int polarity)
348{
349}
350#endif
351void acpi_pci_irq_disable (struct pci_dev *dev);
352
353extern int ec_read(u8 addr, u8 *val);
354extern int ec_write(u8 addr, u8 val);
355extern int ec_transaction(u8 command,
356 const u8 *wdata, unsigned wdata_len,
357 u8 *rdata, unsigned rdata_len);
358extern acpi_handle ec_get_handle(void);
359
360extern bool acpi_is_pnp_device(struct acpi_device *);
361
362#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
363
364typedef void (*wmi_notify_handler) (u32 value, void *context);
365
366extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
367 u32 method_id,
368 const struct acpi_buffer *in,
369 struct acpi_buffer *out);
370extern acpi_status wmi_query_block(const char *guid, u8 instance,
371 struct acpi_buffer *out);
372extern acpi_status wmi_set_block(const char *guid, u8 instance,
373 const struct acpi_buffer *in);
374extern acpi_status wmi_install_notify_handler(const char *guid,
375 wmi_notify_handler handler, void *data);
376extern acpi_status wmi_remove_notify_handler(const char *guid);
377extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
378extern bool wmi_has_guid(const char *guid);
379
380#endif /* CONFIG_ACPI_WMI */
381
382#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
383#define ACPI_VIDEO_DEVICE_POSTING 0x0002
384#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
385#define ACPI_VIDEO_BACKLIGHT 0x0008
386#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
387#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
388#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
389#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
390#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
391#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
392#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
393#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
394
395extern char acpi_video_backlight_string[];
396extern long acpi_is_video_device(acpi_handle handle);
397extern int acpi_blacklisted(void);
398extern void acpi_osi_setup(char *str);
399extern bool acpi_osi_is_win8(void);
400
401#ifdef CONFIG_ACPI_NUMA
402int acpi_map_pxm_to_online_node(int pxm);
403int acpi_map_pxm_to_node(int pxm);
404int acpi_get_node(acpi_handle handle);
405#else
406static inline int acpi_map_pxm_to_online_node(int pxm)
407{
408 return 0;
409}
410static inline int acpi_map_pxm_to_node(int pxm)
411{
412 return 0;
413}
414static inline int acpi_get_node(acpi_handle handle)
415{
416 return 0;
417}
418#endif
419extern int acpi_paddr_to_node(u64 start_addr, u64 size);
420
421extern int pnpacpi_disabled;
422
423#define PXM_INVAL (-1)
424
425bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
426bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
427bool acpi_dev_resource_address_space(struct acpi_resource *ares,
428 struct resource_win *win);
429bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
430 struct resource_win *win);
431unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
432unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
433bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
434 struct resource *res);
435
436void acpi_dev_free_resource_list(struct list_head *list);
437int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
438 int (*preproc)(struct acpi_resource *, void *),
439 void *preproc_data);
440int acpi_dev_get_dma_resources(struct acpi_device *adev,
441 struct list_head *list);
442int acpi_dev_filter_resource_type(struct acpi_resource *ares,
443 unsigned long types);
444
445static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
446 void *arg)
447{
448 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
449}
450
451struct acpi_device *acpi_resource_consumer(struct resource *res);
452
453int acpi_check_resource_conflict(const struct resource *res);
454
455int acpi_check_region(resource_size_t start, resource_size_t n,
456 const char *name);
457
458acpi_status acpi_release_memory(acpi_handle handle, struct resource *res,
459 u32 level);
460
461int acpi_resources_are_enforced(void);
462
463#ifdef CONFIG_HIBERNATION
464void __init acpi_no_s4_hw_signature(void);
465#endif
466
467#ifdef CONFIG_PM_SLEEP
468void __init acpi_old_suspend_ordering(void);
469void __init acpi_nvs_nosave(void);
470void __init acpi_nvs_nosave_s3(void);
471void __init acpi_sleep_no_blacklist(void);
472#endif /* CONFIG_PM_SLEEP */
473
474struct acpi_osc_context {
475 char *uuid_str; /* UUID string */
476 int rev;
477 struct acpi_buffer cap; /* list of DWORD capabilities */
478 struct acpi_buffer ret; /* free by caller if success */
479};
480
481acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
482
483/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
484#define OSC_QUERY_DWORD 0 /* DWORD 1 */
485#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
486#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
487
488/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
489#define OSC_QUERY_ENABLE 0x00000001 /* input */
490#define OSC_REQUEST_ERROR 0x00000002 /* return */
491#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
492#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
493#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
494
495/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
496#define OSC_SB_PAD_SUPPORT 0x00000001
497#define OSC_SB_PPC_OST_SUPPORT 0x00000002
498#define OSC_SB_PR3_SUPPORT 0x00000004
499#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
500#define OSC_SB_APEI_SUPPORT 0x00000010
501#define OSC_SB_CPC_SUPPORT 0x00000020
502#define OSC_SB_CPCV2_SUPPORT 0x00000040
503#define OSC_SB_PCLPI_SUPPORT 0x00000080
504#define OSC_SB_OSLPI_SUPPORT 0x00000100
505#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
506
507extern bool osc_sb_apei_support_acked;
508extern bool osc_pc_lpi_support_confirmed;
509
510/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
511#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
512#define OSC_PCI_ASPM_SUPPORT 0x00000002
513#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
514#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
515#define OSC_PCI_MSI_SUPPORT 0x00000010
516#define OSC_PCI_SUPPORT_MASKS 0x0000001f
517
518/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
519#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
520#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
521#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
522#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
523#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
524#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
525#define OSC_PCI_CONTROL_MASKS 0x0000003f
526
527#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
528#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
529#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
530#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
531#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
532#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
533#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
534#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
535#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
536#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
537
538extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
539 u32 *mask, u32 req);
540
541/* Enable _OST when all relevant hotplug operations are enabled */
542#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
543 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
544 defined(CONFIG_ACPI_CONTAINER)
545#define ACPI_HOTPLUG_OST
546#endif
547
548/* _OST Source Event Code (OSPM Action) */
549#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
550#define ACPI_OST_EC_OSPM_EJECT 0x103
551#define ACPI_OST_EC_OSPM_INSERTION 0x200
552
553/* _OST General Processing Status Code */
554#define ACPI_OST_SC_SUCCESS 0x0
555#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
556#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
557
558/* _OST OS Shutdown Processing (0x100) Status Code */
559#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
560#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
561#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
562#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
563
564/* _OST Ejection Request (0x3, 0x103) Status Code */
565#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
566#define ACPI_OST_SC_DEVICE_IN_USE 0x81
567#define ACPI_OST_SC_DEVICE_BUSY 0x82
568#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
569#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
570
571/* _OST Insertion Request (0x200) Status Code */
572#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
573#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
574#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
575
576enum acpi_predicate {
577 all_versions,
578 less_than_or_equal,
579 equal,
580 greater_than_or_equal,
581};
582
583/* Table must be terminted by a NULL entry */
584struct acpi_platform_list {
585 char oem_id[ACPI_OEM_ID_SIZE+1];
586 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
587 u32 oem_revision;
588 char *table;
589 enum acpi_predicate pred;
590 char *reason;
591 u32 data;
592};
593int acpi_match_platform_list(const struct acpi_platform_list *plat);
594
595extern void acpi_early_init(void);
596extern void acpi_subsystem_init(void);
597extern void arch_post_acpi_subsys_init(void);
598
599extern int acpi_nvs_register(__u64 start, __u64 size);
600
601extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
602 void *data);
603
604const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
605 const struct device *dev);
606
607const void *acpi_device_get_match_data(const struct device *dev);
608extern bool acpi_driver_match_device(struct device *dev,
609 const struct device_driver *drv);
610int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
611int acpi_device_modalias(struct device *, char *, int);
612void acpi_walk_dep_device_list(acpi_handle handle);
613
614struct platform_device *acpi_create_platform_device(struct acpi_device *,
615 struct property_entry *);
616#define ACPI_PTR(_ptr) (_ptr)
617
618static inline void acpi_device_set_enumerated(struct acpi_device *adev)
619{
620 adev->flags.visited = true;
621}
622
623static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
624{
625 adev->flags.visited = false;
626}
627
628enum acpi_reconfig_event {
629 ACPI_RECONFIG_DEVICE_ADD = 0,
630 ACPI_RECONFIG_DEVICE_REMOVE,
631};
632
633int acpi_reconfig_notifier_register(struct notifier_block *nb);
634int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
635
636#ifdef CONFIG_ACPI_GTDT
637int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
638int acpi_gtdt_map_ppi(int type);
639bool acpi_gtdt_c3stop(int type);
640int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
641#endif
642
643#ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
644static inline u64 acpi_arch_get_root_pointer(void)
645{
646 return 0;
647}
648#endif
649
650#else /* !CONFIG_ACPI */
651
652#define acpi_disabled 1
653
654#define ACPI_COMPANION(dev) (NULL)
655#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
656#define ACPI_HANDLE(dev) (NULL)
657#define ACPI_HANDLE_FWNODE(fwnode) (NULL)
658#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
659
660struct fwnode_handle;
661
662static inline bool acpi_dev_found(const char *hid)
663{
664 return false;
665}
666
667static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
668{
669 return false;
670}
671
672static inline const char *
673acpi_dev_get_first_match_name(const char *hid, const char *uid, s64 hrv)
674{
675 return NULL;
676}
677
678static inline bool is_acpi_node(struct fwnode_handle *fwnode)
679{
680 return false;
681}
682
683static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
684{
685 return false;
686}
687
688static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
689{
690 return NULL;
691}
692
693static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
694{
695 return false;
696}
697
698static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
699{
700 return NULL;
701}
702
703static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
704 const char *name)
705{
706 return false;
707}
708
709static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
710{
711 return NULL;
712}
713
714static inline bool has_acpi_companion(struct device *dev)
715{
716 return false;
717}
718
719static inline void acpi_preset_companion(struct device *dev,
720 struct acpi_device *parent, u64 addr)
721{
722}
723
724static inline const char *acpi_dev_name(struct acpi_device *adev)
725{
726 return NULL;
727}
728
729static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
730{
731 return NULL;
732}
733
734static inline void acpi_early_init(void) { }
735static inline void acpi_subsystem_init(void) { }
736
737static inline int early_acpi_boot_init(void)
738{
739 return 0;
740}
741static inline int acpi_boot_init(void)
742{
743 return 0;
744}
745
746static inline void acpi_boot_table_init(void)
747{
748 return;
749}
750
751static inline int acpi_mps_check(void)
752{
753 return 0;
754}
755
756static inline int acpi_check_resource_conflict(struct resource *res)
757{
758 return 0;
759}
760
761static inline int acpi_check_region(resource_size_t start, resource_size_t n,
762 const char *name)
763{
764 return 0;
765}
766
767struct acpi_table_header;
768static inline int acpi_table_parse(char *id,
769 int (*handler)(struct acpi_table_header *))
770{
771 return -ENODEV;
772}
773
774static inline int acpi_nvs_register(__u64 start, __u64 size)
775{
776 return 0;
777}
778
779static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
780 void *data)
781{
782 return 0;
783}
784
785struct acpi_device_id;
786
787static inline const struct acpi_device_id *acpi_match_device(
788 const struct acpi_device_id *ids, const struct device *dev)
789{
790 return NULL;
791}
792
793static inline const void *acpi_device_get_match_data(const struct device *dev)
794{
795 return NULL;
796}
797
798static inline bool acpi_driver_match_device(struct device *dev,
799 const struct device_driver *drv)
800{
801 return false;
802}
803
804static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
805 const guid_t *guid,
806 int rev, int func,
807 union acpi_object *argv4)
808{
809 return NULL;
810}
811
812static inline int acpi_device_uevent_modalias(struct device *dev,
813 struct kobj_uevent_env *env)
814{
815 return -ENODEV;
816}
817
818static inline int acpi_device_modalias(struct device *dev,
819 char *buf, int size)
820{
821 return -ENODEV;
822}
823
824static inline bool acpi_dma_supported(struct acpi_device *adev)
825{
826 return false;
827}
828
829static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
830{
831 return DEV_DMA_NOT_SUPPORTED;
832}
833
834static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr,
835 u64 *offset, u64 *size)
836{
837 return -ENODEV;
838}
839
840static inline int acpi_dma_configure(struct device *dev,
841 enum dev_dma_attr attr)
842{
843 return 0;
844}
845
846#define ACPI_PTR(_ptr) (NULL)
847
848static inline void acpi_device_set_enumerated(struct acpi_device *adev)
849{
850}
851
852static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
853{
854}
855
856static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
857{
858 return -EINVAL;
859}
860
861static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
862{
863 return -EINVAL;
864}
865
866static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
867{
868 return NULL;
869}
870
871#endif /* !CONFIG_ACPI */
872
873#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
874int acpi_ioapic_add(acpi_handle root);
875#else
876static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
877#endif
878
879#ifdef CONFIG_ACPI
880void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
881 u32 pm1a_ctrl, u32 pm1b_ctrl));
882
883acpi_status acpi_os_prepare_sleep(u8 sleep_state,
884 u32 pm1a_control, u32 pm1b_control);
885
886void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
887 u32 val_a, u32 val_b));
888
889acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
890 u32 val_a, u32 val_b);
891
892#ifdef CONFIG_X86
893void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
894#else
895static inline void arch_reserve_mem_area(acpi_physical_address addr,
896 size_t size)
897{
898}
899#endif /* CONFIG_X86 */
900#else
901#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
902#endif
903
904#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
905int acpi_dev_suspend(struct device *dev, bool wakeup);
906int acpi_dev_resume(struct device *dev);
907int acpi_subsys_runtime_suspend(struct device *dev);
908int acpi_subsys_runtime_resume(struct device *dev);
909int acpi_dev_pm_attach(struct device *dev, bool power_on);
910#else
911static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
912static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
913static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
914static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
915static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
916{
917 return 0;
918}
919#endif
920
921#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
922int acpi_dev_suspend_late(struct device *dev);
923int acpi_subsys_prepare(struct device *dev);
924void acpi_subsys_complete(struct device *dev);
925int acpi_subsys_suspend_late(struct device *dev);
926int acpi_subsys_suspend_noirq(struct device *dev);
927int acpi_subsys_resume_noirq(struct device *dev);
928int acpi_subsys_resume_early(struct device *dev);
929int acpi_subsys_suspend(struct device *dev);
930int acpi_subsys_freeze(struct device *dev);
931int acpi_subsys_freeze_late(struct device *dev);
932int acpi_subsys_freeze_noirq(struct device *dev);
933int acpi_subsys_thaw_noirq(struct device *dev);
934#else
935static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
936static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
937static inline void acpi_subsys_complete(struct device *dev) {}
938static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
939static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
940static inline int acpi_subsys_resume_noirq(struct device *dev) { return 0; }
941static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
942static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
943static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
944static inline int acpi_subsys_freeze_late(struct device *dev) { return 0; }
945static inline int acpi_subsys_freeze_noirq(struct device *dev) { return 0; }
946static inline int acpi_subsys_thaw_noirq(struct device *dev) { return 0; }
947#endif
948
949#ifdef CONFIG_ACPI
950__printf(3, 4)
951void acpi_handle_printk(const char *level, acpi_handle handle,
952 const char *fmt, ...);
953#else /* !CONFIG_ACPI */
954static inline __printf(3, 4) void
955acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
956#endif /* !CONFIG_ACPI */
957
958#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
959__printf(3, 4)
960void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
961#endif
962
963/*
964 * acpi_handle_<level>: Print message with ACPI prefix and object path
965 *
966 * These interfaces acquire the global namespace mutex to obtain an object
967 * path. In interrupt context, it shows the object path as <n/a>.
968 */
969#define acpi_handle_emerg(handle, fmt, ...) \
970 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
971#define acpi_handle_alert(handle, fmt, ...) \
972 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
973#define acpi_handle_crit(handle, fmt, ...) \
974 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
975#define acpi_handle_err(handle, fmt, ...) \
976 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
977#define acpi_handle_warn(handle, fmt, ...) \
978 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
979#define acpi_handle_notice(handle, fmt, ...) \
980 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
981#define acpi_handle_info(handle, fmt, ...) \
982 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
983
984#if defined(DEBUG)
985#define acpi_handle_debug(handle, fmt, ...) \
986 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
987#else
988#if defined(CONFIG_DYNAMIC_DEBUG)
989#define acpi_handle_debug(handle, fmt, ...) \
990 _dynamic_func_call(fmt, __acpi_handle_debug, \
991 handle, pr_fmt(fmt), ##__VA_ARGS__)
992#else
993#define acpi_handle_debug(handle, fmt, ...) \
994({ \
995 if (0) \
996 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
997 0; \
998})
999#endif
1000#endif
1001
1002struct acpi_gpio_params {
1003 unsigned int crs_entry_index;
1004 unsigned int line_index;
1005 bool active_low;
1006};
1007
1008struct acpi_gpio_mapping {
1009 const char *name;
1010 const struct acpi_gpio_params *data;
1011 unsigned int size;
1012
1013/* Ignore IoRestriction field */
1014#define ACPI_GPIO_QUIRK_NO_IO_RESTRICTION BIT(0)
1015/*
1016 * When ACPI GPIO mapping table is in use the index parameter inside it
1017 * refers to the GPIO resource in _CRS method. That index has no
1018 * distinction of actual type of the resource. When consumer wants to
1019 * get GpioIo type explicitly, this quirk may be used.
1020 */
1021#define ACPI_GPIO_QUIRK_ONLY_GPIOIO BIT(1)
1022
1023 unsigned int quirks;
1024};
1025
1026#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1027int acpi_dev_add_driver_gpios(struct acpi_device *adev,
1028 const struct acpi_gpio_mapping *gpios);
1029
1030static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
1031{
1032 if (adev)
1033 adev->driver_gpios = NULL;
1034}
1035
1036int devm_acpi_dev_add_driver_gpios(struct device *dev,
1037 const struct acpi_gpio_mapping *gpios);
1038void devm_acpi_dev_remove_driver_gpios(struct device *dev);
1039
1040bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1041 struct acpi_resource_gpio **agpio);
1042int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
1043#else
1044static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
1045 const struct acpi_gpio_mapping *gpios)
1046{
1047 return -ENXIO;
1048}
1049static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
1050
1051static inline int devm_acpi_dev_add_driver_gpios(struct device *dev,
1052 const struct acpi_gpio_mapping *gpios)
1053{
1054 return -ENXIO;
1055}
1056static inline void devm_acpi_dev_remove_driver_gpios(struct device *dev) {}
1057
1058static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1059 struct acpi_resource_gpio **agpio)
1060{
1061 return false;
1062}
1063static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1064{
1065 return -ENXIO;
1066}
1067#endif
1068
1069/* Device properties */
1070
1071#ifdef CONFIG_ACPI
1072int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1073 acpi_object_type type, const union acpi_object **obj);
1074int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1075 const char *name, size_t index, size_t num_args,
1076 struct fwnode_reference_args *args);
1077
1078static inline int acpi_node_get_property_reference(
1079 const struct fwnode_handle *fwnode,
1080 const char *name, size_t index,
1081 struct fwnode_reference_args *args)
1082{
1083 return __acpi_node_get_property_reference(fwnode, name, index,
1084 NR_FWNODE_REFERENCE_ARGS, args);
1085}
1086
1087static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1088{
1089 return !list_empty(&adev->data.properties);
1090}
1091
1092struct acpi_device_properties *
1093acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1094 const union acpi_object *properties);
1095
1096int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1097 void **valptr);
1098int acpi_dev_prop_read_single(struct acpi_device *adev,
1099 const char *propname, enum dev_prop_type proptype,
1100 void *val);
1101int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1102 const char *propname, enum dev_prop_type proptype,
1103 void *val, size_t nval);
1104int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,
1105 enum dev_prop_type proptype, void *val, size_t nval);
1106
1107struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1108 struct fwnode_handle *child);
1109struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode);
1110
1111struct acpi_probe_entry;
1112typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1113 struct acpi_probe_entry *);
1114
1115#define ACPI_TABLE_ID_LEN 5
1116
1117/**
1118 * struct acpi_probe_entry - boot-time probing entry
1119 * @id: ACPI table name
1120 * @type: Optional subtable type to match
1121 * (if @id contains subtables)
1122 * @subtable_valid: Optional callback to check the validity of
1123 * the subtable
1124 * @probe_table: Callback to the driver being probed when table
1125 * match is successful
1126 * @probe_subtbl: Callback to the driver being probed when table and
1127 * subtable match (and optional callback is successful)
1128 * @driver_data: Sideband data provided back to the driver
1129 */
1130struct acpi_probe_entry {
1131 __u8 id[ACPI_TABLE_ID_LEN];
1132 __u8 type;
1133 acpi_probe_entry_validate_subtbl subtable_valid;
1134 union {
1135 acpi_tbl_table_handler probe_table;
1136 acpi_tbl_entry_handler probe_subtbl;
1137 };
1138 kernel_ulong_t driver_data;
1139};
1140
1141#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1142 static const struct acpi_probe_entry __acpi_probe_##name \
1143 __used __section(__##table##_acpi_probe_table) \
1144 = { \
1145 .id = table_id, \
1146 .type = subtable, \
1147 .subtable_valid = valid, \
1148 .probe_table = (acpi_tbl_table_handler)fn, \
1149 .driver_data = data, \
1150 }
1151
1152#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1153#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1154
1155int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1156
1157#define acpi_probe_device_table(t) \
1158 ({ \
1159 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1160 ACPI_PROBE_TABLE_END(t); \
1161 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1162 (&ACPI_PROBE_TABLE_END(t) - \
1163 &ACPI_PROBE_TABLE(t))); \
1164 })
1165#else
1166static inline int acpi_dev_get_property(struct acpi_device *adev,
1167 const char *name, acpi_object_type type,
1168 const union acpi_object **obj)
1169{
1170 return -ENXIO;
1171}
1172
1173static inline int
1174__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1175 const char *name, size_t index, size_t num_args,
1176 struct fwnode_reference_args *args)
1177{
1178 return -ENXIO;
1179}
1180
1181static inline int
1182acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1183 const char *name, size_t index,
1184 struct fwnode_reference_args *args)
1185{
1186 return -ENXIO;
1187}
1188
1189static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1190 const char *propname,
1191 void **valptr)
1192{
1193 return -ENXIO;
1194}
1195
1196static inline int acpi_dev_prop_get(const struct acpi_device *adev,
1197 const char *propname,
1198 void **valptr)
1199{
1200 return -ENXIO;
1201}
1202
1203static inline int acpi_dev_prop_read_single(const struct acpi_device *adev,
1204 const char *propname,
1205 enum dev_prop_type proptype,
1206 void *val)
1207{
1208 return -ENXIO;
1209}
1210
1211static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1212 const char *propname,
1213 enum dev_prop_type proptype,
1214 void *val, size_t nval)
1215{
1216 return -ENXIO;
1217}
1218
1219static inline int acpi_dev_prop_read(const struct acpi_device *adev,
1220 const char *propname,
1221 enum dev_prop_type proptype,
1222 void *val, size_t nval)
1223{
1224 return -ENXIO;
1225}
1226
1227static inline struct fwnode_handle *
1228acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1229 struct fwnode_handle *child)
1230{
1231 return NULL;
1232}
1233
1234static inline struct fwnode_handle *
1235acpi_node_get_parent(const struct fwnode_handle *fwnode)
1236{
1237 return NULL;
1238}
1239
1240static inline struct fwnode_handle *
1241acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1242 struct fwnode_handle *prev)
1243{
1244 return ERR_PTR(-ENXIO);
1245}
1246
1247static inline int
1248acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1249 struct fwnode_handle **remote,
1250 struct fwnode_handle **port,
1251 struct fwnode_handle **endpoint)
1252{
1253 return -ENXIO;
1254}
1255
1256#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1257 static const void * __acpi_table_##name[] \
1258 __attribute__((unused)) \
1259 = { (void *) table_id, \
1260 (void *) subtable, \
1261 (void *) valid, \
1262 (void *) fn, \
1263 (void *) data }
1264
1265#define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1266#endif
1267
1268#ifdef CONFIG_ACPI_TABLE_UPGRADE
1269void acpi_table_upgrade(void);
1270#else
1271static inline void acpi_table_upgrade(void) { }
1272#endif
1273
1274#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1275extern bool acpi_has_watchdog(void);
1276#else
1277static inline bool acpi_has_watchdog(void) { return false; }
1278#endif
1279
1280#ifdef CONFIG_ACPI_SPCR_TABLE
1281extern bool qdf2400_e44_present;
1282int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1283#else
1284static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1285{
1286 return 0;
1287}
1288#endif
1289
1290#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1291int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1292#else
1293static inline
1294int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1295{
1296 return -EINVAL;
1297}
1298#endif
1299
1300#ifdef CONFIG_ACPI_LPIT
1301int lpit_read_residency_count_address(u64 *address);
1302#else
1303static inline int lpit_read_residency_count_address(u64 *address)
1304{
1305 return -EINVAL;
1306}
1307#endif
1308
1309#ifdef CONFIG_ACPI_PPTT
1310int find_acpi_cpu_topology(unsigned int cpu, int level);
1311int find_acpi_cpu_topology_package(unsigned int cpu);
1312int find_acpi_cpu_cache_topology(unsigned int cpu, int level);
1313#else
1314static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1315{
1316 return -EINVAL;
1317}
1318static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1319{
1320 return -EINVAL;
1321}
1322static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level)
1323{
1324 return -EINVAL;
1325}
1326#endif
1327
1328#ifdef CONFIG_ACPI
1329extern int acpi_platform_notify(struct device *dev, enum kobject_action action);
1330#else
1331static inline int
1332acpi_platform_notify(struct device *dev, enum kobject_action action)
1333{
1334 return 0;
1335}
1336#endif
1337
1338#endif /*_LINUX_ACPI_H*/
1339