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ACPI: Enforce stricter checks for address space descriptors
[mirror_ubuntu-bionic-kernel.git] / include / linux / acpi.h
CommitLineData
1da177e4
LT		 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
5133375b 28#include <linux/errno.h>
443dea72 29#include <linux/ioport.h> /* for struct resource */
cf761af9 30#include <linux/device.h>
b31384fa 31#include <linux/property.h>
3f5948fa 32
1da177e4
LT		 33#ifndef _LINUX
34#define _LINUX
35#endif
633adaba
LZ		 36#include <acpi/acpi.h>
37
38#ifdef CONFIG_ACPI
1da177e4
LT		 39
40#include <linux/list.h>
29b71a1c 41#include <linux/mod_devicetable.h>
45fef5b8 42#include <linux/dynamic_debug.h>
1da177e4 43
1da177e4
LT		 44#include <acpi/acpi_bus.h>
45#include <acpi/acpi_drivers.h>
762834e8 46#include <acpi/acpi_numa.h>
27d50c82 47#include <acpi/acpi_io.h>
1da177e4 48#include <asm/acpi.h>
1da177e4 49
7b199811
RW		 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) ((dev)->acpi_node.companion)
56#define ACPI_COMPANION_SET(dev, adev) ACPI_COMPANION(dev) = (adev)
57#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
58
9c5ad36d
RW		 59static inline void acpi_preset_companion(struct device *dev,
60 struct acpi_device *parent, u64 addr)
61{
62 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
63}
64
45c42a7f
JN		 65static inline const char *acpi_dev_name(struct acpi_device *adev)
66{
67 return dev_name(&adev->dev);
68}
69
1da177e4
LT		 70enum acpi_irq_model_id {
71 ACPI_IRQ_MODEL_PIC = 0,
72 ACPI_IRQ_MODEL_IOAPIC,
73 ACPI_IRQ_MODEL_IOSAPIC,
3948ec94 74 ACPI_IRQ_MODEL_PLATFORM,
1da177e4
LT		 75 ACPI_IRQ_MODEL_COUNT
76};
77
78extern enum acpi_irq_model_id acpi_irq_model;
79
1da177e4
LT		 80enum acpi_interrupt_id {
81 ACPI_INTERRUPT_PMI = 1,
82 ACPI_INTERRUPT_INIT,
83 ACPI_INTERRUPT_CPEI,
84 ACPI_INTERRUPT_COUNT
85};
86
87#define ACPI_SPACE_MEM 0
88
1da177e4
LT		 89enum acpi_address_range_id {
90 ACPI_ADDRESS_RANGE_MEMORY = 1,
91 ACPI_ADDRESS_RANGE_RESERVED = 2,
92 ACPI_ADDRESS_RANGE_ACPI = 3,
93 ACPI_ADDRESS_RANGE_NVS = 4,
94 ACPI_ADDRESS_RANGE_COUNT
95};
96
1da177e4 97
1da177e4
LT		 98/* Table Handlers */
99
b43e1065 100typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
1da177e4 101
b43e1065
LZ		 102typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
103 const unsigned long end);
1da177e4 104
53aac44c
TR		 105#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
106void acpi_initrd_override(void *data, size_t size);
107#else
108static inline void acpi_initrd_override(void *data, size_t size)
109{
110}
111#endif
112
328281b1
HG		 113#define BAD_MADT_ENTRY(entry, end) ( \
114 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
115 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
116
1da177e4 117char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
970ec1a8 118void __acpi_unmap_table(char *map, unsigned long size);
cbf9bd60 119int early_acpi_boot_init(void);
1da177e4 120int acpi_boot_init (void);
8558e394 121void acpi_boot_table_init (void);
3c999f14 122int acpi_mps_check (void);
1da177e4
LT		 123int acpi_numa_init (void);
124
125int acpi_table_init (void);
b43e1065 126int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
f08bb472
AC		 127int __init acpi_parse_entries(char *id, unsigned long table_size,
128 acpi_tbl_entry_handler handler,
129 struct acpi_table_header *table_header,
130 int entry_id, unsigned int max_entries);
6eb87fed 131int __init acpi_table_parse_entries(char *id, unsigned long table_size,
b43e1065
LZ		 132 int entry_id,
133 acpi_tbl_entry_handler handler,
134 unsigned int max_entries);
135int acpi_table_parse_madt(enum acpi_madt_type id,
136 acpi_tbl_entry_handler handler,
137 unsigned int max_entries);
ceb6c468 138int acpi_parse_mcfg (struct acpi_table_header *header);
5f3b1a8b 139void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
1da177e4
LT		 140
141/* the following four functions are architecture-dependent */
142void acpi_numa_slit_init (struct acpi_table_slit *slit);
15a58ed1 143void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
7237d3de 144void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
095adbb6 145int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
1da177e4
LT		 146void acpi_numa_arch_fixup(void);
147
148#ifdef CONFIG_ACPI_HOTPLUG_CPU
149/* Arch dependent functions for cpu hotplug support */
d02dc27d
HG		 150int acpi_map_cpu(acpi_handle handle, int physid, int *pcpu);
151int acpi_unmap_cpu(int cpu);
1da177e4
LT		 152#endif /* CONFIG_ACPI_HOTPLUG_CPU */
153
b1bb248a
KK		 154int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
155int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
e89900c9 156int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
5229e87d 157void acpi_irq_stats_init(void);
5229e87d 158extern u32 acpi_irq_handled;
88bea188 159extern u32 acpi_irq_not_handled;
1da177e4 160
c255d844 161extern int sbf_port;
77afcf78 162extern unsigned long acpi_realmode_flags;
1da177e4 163
a2f809b0 164int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
1da177e4 165int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
2c2df841 166int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
1da177e4 167
61fd47e0 168#ifdef CONFIG_X86_IO_APIC
9a0a91bb 169extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
61fd47e0 170#else
9a0a91bb 171#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
61fd47e0 172#endif
1da177e4
LT		 173/*
174 * This function undoes the effect of one call to acpi_register_gsi().
175 * If this matches the last registration, any IRQ resources for gsi
176 * are freed.
177 */
1da177e4 178void acpi_unregister_gsi (u32 gsi);
1da177e4 179
1da177e4
LT		 180struct pci_dev;
181
182int acpi_pci_irq_enable (struct pci_dev *dev);
c9c3e457 183void acpi_penalize_isa_irq(int irq, int active);
1da177e4 184
1da177e4 185void acpi_pci_irq_disable (struct pci_dev *dev);
1da177e4 186
1da177e4
LT		 187extern int ec_read(u8 addr, u8 *val);
188extern int ec_write(u8 addr, u8 val);
d7a76e4c
LP		 189extern int ec_transaction(u8 command,
190 const u8 *wdata, unsigned wdata_len,
1cb7b1e0 191 u8 *rdata, unsigned rdata_len);
3e2abc5a 192extern acpi_handle ec_get_handle(void);
1da177e4 193
eec15edb
ZR		 194extern bool acpi_is_pnp_device(struct acpi_device *);
195
bff431e4
CC		 196#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
197
198typedef void (*wmi_notify_handler) (u32 value, void *context);
199
200extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
201 u32 method_id,
202 const struct acpi_buffer *in,
203 struct acpi_buffer *out);
204extern acpi_status wmi_query_block(const char *guid, u8 instance,
205 struct acpi_buffer *out);
206extern acpi_status wmi_set_block(const char *guid, u8 instance,
207 const struct acpi_buffer *in);
208extern acpi_status wmi_install_notify_handler(const char *guid,
209 wmi_notify_handler handler, void *data);
210extern acpi_status wmi_remove_notify_handler(const char *guid);
211extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
212extern bool wmi_has_guid(const char *guid);
213
214#endif /* CONFIG_ACPI_WMI */
215
c3d6de69
TR		 216#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
217#define ACPI_VIDEO_DEVICE_POSTING 0x0002
218#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
219#define ACPI_VIDEO_BACKLIGHT 0x0008
220#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
221#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
222#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
223#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
224#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
225#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
226#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
227#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
228
229#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
230
231extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
d4e1a692 232extern long acpi_is_video_device(acpi_handle handle);
f838eb5b
CC		 233extern void acpi_video_dmi_promote_vendor(void);
234extern void acpi_video_dmi_demote_vendor(void);
c3d6de69
TR		 235extern int acpi_video_backlight_support(void);
236extern int acpi_video_display_switch_support(void);
237
238#else
239
240static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
241{
242 return 0;
243}
244
d4e1a692 245static inline long acpi_is_video_device(acpi_handle handle)
c3d6de69
TR		 246{
247 return 0;
248}
249
f838eb5b
CC		 250static inline void acpi_video_dmi_promote_vendor(void)
251{
252}
253
254static inline void acpi_video_dmi_demote_vendor(void)
255{
256}
257
c3d6de69
TR		 258static inline int acpi_video_backlight_support(void)
259{
260 return 0;
261}
262
263static inline int acpi_video_display_switch_support(void)
264{
265 return 0;
266}
267
268#endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
269
1da177e4 270extern int acpi_blacklisted(void);
d4b7dc49 271extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
d90aa92c 272extern void acpi_osi_setup(char *str);
1da177e4 273
1da177e4 274#ifdef CONFIG_ACPI_NUMA
486c79b5 275int acpi_get_node(acpi_handle handle);
1da177e4 276#else
486c79b5 277static inline int acpi_get_node(acpi_handle handle)
1e3590e2
YG		 278{
279 return 0;
280}
1da177e4 281#endif
1e3590e2 282extern int acpi_paddr_to_node(u64 start_addr, u64 size);
1da177e4
LT		 283
284extern int pnpacpi_disabled;
285
3484d798 286#define PXM_INVAL (-1)
3484d798 287
046d9ce6
RW		 288bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
289bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
290bool acpi_dev_resource_address_space(struct acpi_resource *ares,
291 struct resource *res);
292bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
293 struct resource *res);
294unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
295bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
296 struct resource *res);
297
8e345c99
RW		 298struct resource_list_entry {
299 struct list_head node;
300 struct resource res;
301};
302
303void acpi_dev_free_resource_list(struct list_head *list);
304int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
305 int (*preproc)(struct acpi_resource *, void *),
306 void *preproc_data);
307
876fba43 308int acpi_check_resource_conflict(const struct resource *res);
443dea72 309
df92e695
TR		 310int acpi_check_region(resource_size_t start, resource_size_t n,
311 const char *name);
df92e695 312
70dd6bea
JD		 313int acpi_resources_are_enforced(void);
314
9743fdea 315#ifdef CONFIG_HIBERNATION
bdfe6b7c 316void __init acpi_no_s4_hw_signature(void);
9743fdea
YL		 317#endif
318
319#ifdef CONFIG_PM_SLEEP
d8f3de0d 320void __init acpi_old_suspend_ordering(void);
72ad5d77 321void __init acpi_nvs_nosave(void);
1bad2f19 322void __init acpi_nvs_nosave_s3(void);
d8f3de0d 323#endif /* CONFIG_PM_SLEEP */
9f5404d8 324
70023de8 325struct acpi_osc_context {
c8678473 326 char *uuid_str; /* UUID string */
70023de8 327 int rev;
c8678473
BH		 328 struct acpi_buffer cap; /* list of DWORD capabilities */
329 struct acpi_buffer ret; /* free by caller if success */
70023de8
SL		 330};
331
4b3db708 332acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
70023de8
SL		 333acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
334
b938a229
BH		 335/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
336#define OSC_QUERY_DWORD 0 /* DWORD 1 */
337#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
338#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
9f5404d8 339
dedf1e4d
BH		 340/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
341#define OSC_QUERY_ENABLE 0x00000001 /* input */
342#define OSC_REQUEST_ERROR 0x00000002 /* return */
343#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
344#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
345#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
9f5404d8 346
dedf1e4d
BH		 347/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
348#define OSC_SB_PAD_SUPPORT 0x00000001
349#define OSC_SB_PPC_OST_SUPPORT 0x00000002
350#define OSC_SB_PR3_SUPPORT 0x00000004
351#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
352#define OSC_SB_APEI_SUPPORT 0x00000010
353#define OSC_SB_CPC_SUPPORT 0x00000020
3563ff96 354
eccddd32
HY		 355extern bool osc_sb_apei_support_acked;
356
dedf1e4d 357/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
7dab9ef4
BH		 358#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
359#define OSC_PCI_ASPM_SUPPORT 0x00000002
360#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
dedf1e4d 361#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
7dab9ef4 362#define OSC_PCI_MSI_SUPPORT 0x00000010
dedf1e4d
BH		 363#define OSC_PCI_SUPPORT_MASKS 0x0000001f
364
365/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
366#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
7dab9ef4 367#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
dedf1e4d
BH		 368#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
369#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
7dab9ef4 370#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
335b1509 371#define OSC_PCI_CONTROL_MASKS 0x0000001f
d90116ea 372
5d98e61d
LT		 373#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
374#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
375#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
376#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
377#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
378#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
379#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
380#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
381#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
382#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
383
75fb60f2
RW		 384extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
385 u32 *mask, u32 req);
275c58d7
TK		 386
387/* Enable _OST when all relevant hotplug operations are enabled */
388#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
08f502c1 389 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
64fd7401 390 defined(CONFIG_ACPI_CONTAINER)
275c58d7
TK		 391#define ACPI_HOTPLUG_OST
392#endif
393
394/* _OST Source Event Code (OSPM Action) */
395#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
396#define ACPI_OST_EC_OSPM_EJECT 0x103
397#define ACPI_OST_EC_OSPM_INSERTION 0x200
398
399/* _OST General Processing Status Code */
400#define ACPI_OST_SC_SUCCESS 0x0
401#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
402#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
403
404/* _OST OS Shutdown Processing (0x100) Status Code */
405#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
406#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
407#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
408#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
409
410/* _OST Ejection Request (0x3, 0x103) Status Code */
411#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
412#define ACPI_OST_SC_DEVICE_IN_USE 0x81
413#define ACPI_OST_SC_DEVICE_BUSY 0x82
414#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
415#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
416
417/* _OST Insertion Request (0x200) Status Code */
418#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
419#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
420#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
421
4a7a16dc
LB		 422extern void acpi_early_init(void);
423
b54ac6d2
HY		 424extern int acpi_nvs_register(__u64 start, __u64 size);
425
426extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
427 void *data);
428
cf761af9
MW		 429const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
430 const struct device *dev);
431
733e6251
MW		 432extern bool acpi_driver_match_device(struct device *dev,
433 const struct device_driver *drv);
6eb2451f
ZR		 434int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
435int acpi_device_modalias(struct device *, char *, int);
40e7fcb1 436void acpi_walk_dep_device_list(acpi_handle handle);
6eb2451f 437
083bf668 438struct platform_device *acpi_create_platform_device(struct acpi_device *);
cf761af9
MW		 439#define ACPI_PTR(_ptr) (_ptr)
440
e55a5999
FT		 441#else /* !CONFIG_ACPI */
442
443#define acpi_disabled 1
444
7b199811
RW		 445#define ACPI_COMPANION(dev) (NULL)
446#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
447#define ACPI_HANDLE(dev) (NULL)
448
8a0662d9
RW		 449struct fwnode_handle;
450
451static inline bool is_acpi_node(struct fwnode_handle *fwnode)
452{
453 return false;
454}
455
456static inline struct acpi_device *acpi_node(struct fwnode_handle *fwnode)
457{
458 return NULL;
459}
460
461static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
462{
463 return NULL;
464}
465
45c42a7f
JN		 466static inline const char *acpi_dev_name(struct acpi_device *adev)
467{
468 return NULL;
469}
470
4a7a16dc 471static inline void acpi_early_init(void) { }
53de49f5 472
cbf9bd60
YL		 473static inline int early_acpi_boot_init(void)
474{
475 return 0;
476}
53de49f5
AM		 477static inline int acpi_boot_init(void)
478{
479 return 0;
480}
481
8558e394 482static inline void acpi_boot_table_init(void)
53de49f5 483{
8558e394 484 return;
53de49f5
AM		 485}
486
3c999f14
YL		 487static inline int acpi_mps_check(void)
488{
489 return 0;
490}
491
443dea72
TR		 492static inline int acpi_check_resource_conflict(struct resource *res)
493{
494 return 0;
495}
496
df92e695
TR		 497static inline int acpi_check_region(resource_size_t start, resource_size_t n,
498 const char *name)
499{
500 return 0;
501}
502
e55a5999
FT		 503struct acpi_table_header;
504static inline int acpi_table_parse(char *id,
505 int (*handler)(struct acpi_table_header *))
506{
f8a571b2 507 return -ENODEV;
e55a5999 508}
6fed05c9 509
b54ac6d2 510static inline int acpi_nvs_register(__u64 start, __u64 size)
6fed05c9
RW		 511{
512 return 0;
513}
b54ac6d2
HY		 514
515static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
516 void *data)
517{
518 return 0;
519}
520
cf761af9
MW		 521struct acpi_device_id;
522
523static inline const struct acpi_device_id *acpi_match_device(
524 const struct acpi_device_id *ids, const struct device *dev)
525{
526 return NULL;
527}
528
529static inline bool acpi_driver_match_device(struct device *dev,
530 const struct device_driver *drv)
531{
532 return false;
533}
534
6eb2451f
ZR		 535static inline int acpi_device_uevent_modalias(struct device *dev,
536 struct kobj_uevent_env *env)
537{
538 return -ENODEV;
539}
540
541static inline int acpi_device_modalias(struct device *dev,
542 char *buf, int size)
543{
544 return -ENODEV;
545}
546
cf761af9
MW		 547#define ACPI_PTR(_ptr) (NULL)
548
b54ac6d2 549#endif /* !CONFIG_ACPI */
6fed05c9 550
09f98a82
TL		 551#ifdef CONFIG_ACPI
552void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
553 u32 pm1a_ctrl, u32 pm1b_ctrl));
554
555acpi_status acpi_os_prepare_sleep(u8 sleep_state,
556 u32 pm1a_control, u32 pm1b_control);
d6b47b12
BG		 557
558void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
559 u32 val_a, u32 val_b));
560
561acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
562 u32 val_a, u32 val_b);
563
385ddeac 564#ifdef CONFIG_X86
8e30524d
TR		 565void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
566#else
567static inline void arch_reserve_mem_area(acpi_physical_address addr,
568 size_t size)
569{
570}
571#endif /* CONFIG_X86 */
09f98a82
TL		 572#else
573#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
574#endif
575
5de21bb9 576#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
e5cc8ef3
RW		 577int acpi_dev_runtime_suspend(struct device *dev);
578int acpi_dev_runtime_resume(struct device *dev);
579int acpi_subsys_runtime_suspend(struct device *dev);
580int acpi_subsys_runtime_resume(struct device *dev);
5de21bb9
RW		 581struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
582int acpi_dev_pm_attach(struct device *dev, bool power_on);
e5cc8ef3
RW		 583#else
584static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
585static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
586static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
587static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
5de21bb9
RW		 588static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
589{
590 return NULL;
591}
592static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
593{
594 return -ENODEV;
595}
e5cc8ef3
RW		 596#endif
597
d79beb39 598#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
e5cc8ef3
RW		 599int acpi_dev_suspend_late(struct device *dev);
600int acpi_dev_resume_early(struct device *dev);
601int acpi_subsys_prepare(struct device *dev);
4cf563c5 602void acpi_subsys_complete(struct device *dev);
e5cc8ef3
RW		 603int acpi_subsys_suspend_late(struct device *dev);
604int acpi_subsys_resume_early(struct device *dev);
4cf563c5
HK		 605int acpi_subsys_suspend(struct device *dev);
606int acpi_subsys_freeze(struct device *dev);
e5cc8ef3
RW		 607#else
608static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
609static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
610static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
4cf563c5 611static inline void acpi_subsys_complete(struct device *dev) {}
e5cc8ef3
RW		 612static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
613static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
4cf563c5
HK		 614static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
615static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
e5cc8ef3
RW		 616#endif
617
fbfddae6
TK		 618#ifdef CONFIG_ACPI
619__printf(3, 4)
620void acpi_handle_printk(const char *level, acpi_handle handle,
621 const char *fmt, ...);
622#else /* !CONFIG_ACPI */
623static inline __printf(3, 4) void
624acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
625#endif /* !CONFIG_ACPI */
626
45fef5b8
BM		 627#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
628__printf(3, 4)
629void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
630#else
631#define __acpi_handle_debug(descriptor, handle, fmt, ...) \
632 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
633#endif
634
fbfddae6
TK		 635/*
636 * acpi_handle_<level>: Print message with ACPI prefix and object path
637 *
638 * These interfaces acquire the global namespace mutex to obtain an object
639 * path. In interrupt context, it shows the object path as <n/a>.
640 */
641#define acpi_handle_emerg(handle, fmt, ...) \
642 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
643#define acpi_handle_alert(handle, fmt, ...) \
644 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
645#define acpi_handle_crit(handle, fmt, ...) \
646 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
647#define acpi_handle_err(handle, fmt, ...) \
648 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
649#define acpi_handle_warn(handle, fmt, ...) \
650 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
651#define acpi_handle_notice(handle, fmt, ...) \
652 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
653#define acpi_handle_info(handle, fmt, ...) \
654 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
655
45fef5b8 656#if defined(DEBUG)
fbfddae6
TK		 657#define acpi_handle_debug(handle, fmt, ...) \
658 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
659#else
45fef5b8
BM		 660#if defined(CONFIG_DYNAMIC_DEBUG)
661#define acpi_handle_debug(handle, fmt, ...) \
662do { \
663 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
664 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
665 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
666 ##__VA_ARGS__); \
667} while (0)
668#else
fbfddae6
TK		 669#define acpi_handle_debug(handle, fmt, ...) \
670({ \
671 if (0) \
672 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
673 0; \
674})
675#endif
45fef5b8 676#endif
fbfddae6 677
f028d524
RW		 678struct acpi_gpio_params {
679 unsigned int crs_entry_index;
680 unsigned int line_index;
681 bool active_low;
682};
683
684struct acpi_gpio_mapping {
685 const char *name;
686 const struct acpi_gpio_params *data;
687 unsigned int size;
688};
689
690#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
691int acpi_dev_add_driver_gpios(struct acpi_device *adev,
692 const struct acpi_gpio_mapping *gpios);
693
694static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
695{
696 if (adev)
697 adev->driver_gpios = NULL;
698}
699#else
700static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
701 const struct acpi_gpio_mapping *gpios)
702{
703 return -ENXIO;
704}
705static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
706#endif
707
ffdcd955
MW		 708/* Device properties */
709
710#define MAX_ACPI_REFERENCE_ARGS 8
711struct acpi_reference_args {
712 struct acpi_device *adev;
713 size_t nargs;
714 u64 args[MAX_ACPI_REFERENCE_ARGS];
715};
716
717#ifdef CONFIG_ACPI
718int acpi_dev_get_property(struct acpi_device *adev, const char *name,
719 acpi_object_type type, const union acpi_object **obj);
720int acpi_dev_get_property_array(struct acpi_device *adev, const char *name,
721 acpi_object_type type,
722 const union acpi_object **obj);
60ba032e
RW		 723int acpi_dev_get_property_reference(struct acpi_device *adev,
724 const char *name, size_t index,
ffdcd955 725 struct acpi_reference_args *args);
b31384fa
RW		 726
727int acpi_dev_prop_get(struct acpi_device *adev, const char *propname,
728 void **valptr);
729int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
730 enum dev_prop_type proptype, void *val);
731int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
732 enum dev_prop_type proptype, void *val, size_t nval);
8a0662d9
RW		 733
734struct acpi_device *acpi_get_next_child(struct device *dev,
735 struct acpi_device *child);
ffdcd955
MW		 736#else
737static inline int acpi_dev_get_property(struct acpi_device *adev,
738 const char *name, acpi_object_type type,
739 const union acpi_object **obj)
740{
741 return -ENXIO;
742}
743static inline int acpi_dev_get_property_array(struct acpi_device *adev,
744 const char *name,
745 acpi_object_type type,
746 const union acpi_object **obj)
747{
748 return -ENXIO;
749}
750static inline int acpi_dev_get_property_reference(struct acpi_device *adev,
751 const char *name, const char *cells_name,
752 size_t index, struct acpi_reference_args *args)
753{
754 return -ENXIO;
755}
b31384fa
RW		 756
757static inline int acpi_dev_prop_get(struct acpi_device *adev,
758 const char *propname,
759 void **valptr)
760{
761 return -ENXIO;
762}
763
764static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
765 const char *propname,
766 enum dev_prop_type proptype,
767 void *val)
768{
769 return -ENXIO;
770}
771
772static inline int acpi_dev_prop_read(struct acpi_device *adev,
773 const char *propname,
774 enum dev_prop_type proptype,
775 void *val, size_t nval)
776{
777 return -ENXIO;
778}
779
8a0662d9
RW		 780static inline struct acpi_device *acpi_get_next_child(struct device *dev,
781 struct acpi_device *child)
782{
783 return NULL;
784}
785
ffdcd955
MW		 786#endif
787
25be5e6c 788#endif /*_LINUX_ACPI_H*/
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