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Linux 4.1-rc3
[linux-2.6-block.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 */
90e97820 30#include <linux/resource_ext.h>
cf761af9 31#include <linux/device.h>
b31384fa 32#include <linux/property.h>
3f5948fa 33
1da177e4
LT		 34#ifndef _LINUX
35#define _LINUX
36#endif
633adaba
LZ		 37#include <acpi/acpi.h>
38
39#ifdef CONFIG_ACPI
1da177e4
LT		 40
41#include <linux/list.h>
29b71a1c 42#include <linux/mod_devicetable.h>
45fef5b8 43#include <linux/dynamic_debug.h>
1da177e4 44
1da177e4
LT		 45#include <acpi/acpi_bus.h>
46#include <acpi/acpi_drivers.h>
762834e8 47#include <acpi/acpi_numa.h>
27d50c82 48#include <acpi/acpi_io.h>
1da177e4 49#include <asm/acpi.h>
1da177e4 50
7b199811
RW		 51static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
52{
53 return adev ? adev->handle : NULL;
54}
55
ce793486 56#define ACPI_COMPANION(dev) acpi_node((dev)->fwnode)
97badf87
RW		 57#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
58 acpi_fwnode_handle(adev) : NULL)
7b199811
RW		 59#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
60
ca5b74d2
RW		 61static inline bool has_acpi_companion(struct device *dev)
62{
63 return is_acpi_node(dev->fwnode);
64}
65
9c5ad36d
RW		 66static inline void acpi_preset_companion(struct device *dev,
67 struct acpi_device *parent, u64 addr)
68{
69 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
70}
71
45c42a7f
JN		 72static inline const char *acpi_dev_name(struct acpi_device *adev)
73{
74 return dev_name(&adev->dev);
75}
76
1da177e4
LT		 77enum acpi_irq_model_id {
78 ACPI_IRQ_MODEL_PIC = 0,
79 ACPI_IRQ_MODEL_IOAPIC,
80 ACPI_IRQ_MODEL_IOSAPIC,
3948ec94 81 ACPI_IRQ_MODEL_PLATFORM,
fbe61ec7 82 ACPI_IRQ_MODEL_GIC,
1da177e4
LT		 83 ACPI_IRQ_MODEL_COUNT
84};
85
86extern enum acpi_irq_model_id acpi_irq_model;
87
1da177e4
LT		 88enum acpi_interrupt_id {
89 ACPI_INTERRUPT_PMI = 1,
90 ACPI_INTERRUPT_INIT,
91 ACPI_INTERRUPT_CPEI,
92 ACPI_INTERRUPT_COUNT
93};
94
95#define ACPI_SPACE_MEM 0
96
1da177e4
LT		 97enum acpi_address_range_id {
98 ACPI_ADDRESS_RANGE_MEMORY = 1,
99 ACPI_ADDRESS_RANGE_RESERVED = 2,
100 ACPI_ADDRESS_RANGE_ACPI = 3,
101 ACPI_ADDRESS_RANGE_NVS = 4,
102 ACPI_ADDRESS_RANGE_COUNT
103};
104
1da177e4 105
1da177e4
LT		 106/* Table Handlers */
107
b43e1065 108typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
1da177e4 109
b43e1065
LZ		 110typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
111 const unsigned long end);
1da177e4 112
53aac44c
TR		 113#ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
114void acpi_initrd_override(void *data, size_t size);
115#else
116static inline void acpi_initrd_override(void *data, size_t size)
117{
118}
119#endif
120
328281b1
HG		 121#define BAD_MADT_ENTRY(entry, end) ( \
122 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
123 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
124
1da177e4 125char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
970ec1a8 126void __acpi_unmap_table(char *map, unsigned long size);
cbf9bd60 127int early_acpi_boot_init(void);
1da177e4 128int acpi_boot_init (void);
8558e394 129void acpi_boot_table_init (void);
3c999f14 130int acpi_mps_check (void);
1da177e4
LT		 131int acpi_numa_init (void);
132
133int acpi_table_init (void);
b43e1065 134int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
f08bb472
AC		 135int __init acpi_parse_entries(char *id, unsigned long table_size,
136 acpi_tbl_entry_handler handler,
137 struct acpi_table_header *table_header,
138 int entry_id, unsigned int max_entries);
6eb87fed 139int __init acpi_table_parse_entries(char *id, unsigned long table_size,
b43e1065
LZ		 140 int entry_id,
141 acpi_tbl_entry_handler handler,
142 unsigned int max_entries);
143int acpi_table_parse_madt(enum acpi_madt_type id,
144 acpi_tbl_entry_handler handler,
145 unsigned int max_entries);
ceb6c468 146int acpi_parse_mcfg (struct acpi_table_header *header);
5f3b1a8b 147void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
1da177e4
LT		 148
149/* the following four functions are architecture-dependent */
150void acpi_numa_slit_init (struct acpi_table_slit *slit);
15a58ed1 151void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
7237d3de 152void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
095adbb6 153int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
1da177e4
LT		 154void acpi_numa_arch_fixup(void);
155
828aef37
CM		 156#ifndef PHYS_CPUID_INVALID
157typedef u32 phys_cpuid_t;
158#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
159#endif
160
1da177e4
LT		 161#ifdef CONFIG_ACPI_HOTPLUG_CPU
162/* Arch dependent functions for cpu hotplug support */
828aef37 163int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
d02dc27d 164int acpi_unmap_cpu(int cpu);
1da177e4
LT		 165#endif /* CONFIG_ACPI_HOTPLUG_CPU */
166
ecf5636d
YL		 167#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
168int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
169#endif
170
b1bb248a
KK		 171int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
172int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
e89900c9 173int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
5229e87d 174void acpi_irq_stats_init(void);
5229e87d 175extern u32 acpi_irq_handled;
88bea188 176extern u32 acpi_irq_not_handled;
1da177e4 177
c255d844 178extern int sbf_port;
77afcf78 179extern unsigned long acpi_realmode_flags;
1da177e4 180
a2f809b0 181int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
1da177e4 182int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
2c2df841 183int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
1da177e4 184
61fd47e0 185#ifdef CONFIG_X86_IO_APIC
9a0a91bb 186extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
61fd47e0 187#else
9a0a91bb 188#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
61fd47e0 189#endif
1da177e4
LT		 190/*
191 * This function undoes the effect of one call to acpi_register_gsi().
192 * If this matches the last registration, any IRQ resources for gsi
193 * are freed.
194 */
1da177e4 195void acpi_unregister_gsi (u32 gsi);
1da177e4 196
1da177e4
LT		 197struct pci_dev;
198
199int acpi_pci_irq_enable (struct pci_dev *dev);
c9c3e457 200void acpi_penalize_isa_irq(int irq, int active);
1da177e4 201
1da177e4 202void acpi_pci_irq_disable (struct pci_dev *dev);
1da177e4 203
1da177e4
LT		 204extern int ec_read(u8 addr, u8 *val);
205extern int ec_write(u8 addr, u8 val);
d7a76e4c
LP		 206extern int ec_transaction(u8 command,
207 const u8 *wdata, unsigned wdata_len,
1cb7b1e0 208 u8 *rdata, unsigned rdata_len);
3e2abc5a 209extern acpi_handle ec_get_handle(void);
1da177e4 210
eec15edb
ZR		 211extern bool acpi_is_pnp_device(struct acpi_device *);
212
bff431e4
CC		 213#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
214
215typedef void (*wmi_notify_handler) (u32 value, void *context);
216
217extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
218 u32 method_id,
219 const struct acpi_buffer *in,
220 struct acpi_buffer *out);
221extern acpi_status wmi_query_block(const char *guid, u8 instance,
222 struct acpi_buffer *out);
223extern acpi_status wmi_set_block(const char *guid, u8 instance,
224 const struct acpi_buffer *in);
225extern acpi_status wmi_install_notify_handler(const char *guid,
226 wmi_notify_handler handler, void *data);
227extern acpi_status wmi_remove_notify_handler(const char *guid);
228extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
229extern bool wmi_has_guid(const char *guid);
230
231#endif /* CONFIG_ACPI_WMI */
232
c3d6de69
TR		 233#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
234#define ACPI_VIDEO_DEVICE_POSTING 0x0002
235#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
236#define ACPI_VIDEO_BACKLIGHT 0x0008
237#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
238#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
239#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
240#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
241#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
242#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
243#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
244#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
245
246#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
247
248extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
d4e1a692 249extern long acpi_is_video_device(acpi_handle handle);
f838eb5b
CC		 250extern void acpi_video_dmi_promote_vendor(void);
251extern void acpi_video_dmi_demote_vendor(void);
c3d6de69
TR		 252extern int acpi_video_backlight_support(void);
253extern int acpi_video_display_switch_support(void);
254
255#else
256
257static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
258{
259 return 0;
260}
261
d4e1a692 262static inline long acpi_is_video_device(acpi_handle handle)
c3d6de69
TR		 263{
264 return 0;
265}
266
f838eb5b
CC		 267static inline void acpi_video_dmi_promote_vendor(void)
268{
269}
270
271static inline void acpi_video_dmi_demote_vendor(void)
272{
273}
274
c3d6de69
TR		 275static inline int acpi_video_backlight_support(void)
276{
277 return 0;
278}
279
280static inline int acpi_video_display_switch_support(void)
281{
282 return 0;
283}
284
285#endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
286
1da177e4 287extern int acpi_blacklisted(void);
d4b7dc49 288extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
d90aa92c 289extern void acpi_osi_setup(char *str);
1da177e4 290
1da177e4 291#ifdef CONFIG_ACPI_NUMA
486c79b5 292int acpi_get_node(acpi_handle handle);
1da177e4 293#else
486c79b5 294static inline int acpi_get_node(acpi_handle handle)
1e3590e2
YG		 295{
296 return 0;
297}
1da177e4 298#endif
1e3590e2 299extern int acpi_paddr_to_node(u64 start_addr, u64 size);
1da177e4
LT		 300
301extern int pnpacpi_disabled;
302
3484d798 303#define PXM_INVAL (-1)
3484d798 304
046d9ce6
RW		 305bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
306bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
307bool acpi_dev_resource_address_space(struct acpi_resource *ares,
a49170b5 308 struct resource_win *win);
046d9ce6 309bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
a49170b5 310 struct resource_win *win);
046d9ce6
RW		 311unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
312bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
313 struct resource *res);
314
8e345c99
RW		 315void acpi_dev_free_resource_list(struct list_head *list);
316int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
317 int (*preproc)(struct acpi_resource *, void *),
318 void *preproc_data);
62d1141f
JL		 319int acpi_dev_filter_resource_type(struct acpi_resource *ares,
320 unsigned long types);
321
322static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
323 void *arg)
324{
325 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
326}
8e345c99 327
876fba43 328int acpi_check_resource_conflict(const struct resource *res);
443dea72 329
df92e695
TR		 330int acpi_check_region(resource_size_t start, resource_size_t n,
331 const char *name);
df92e695 332
70dd6bea
JD		 333int acpi_resources_are_enforced(void);
334
9743fdea 335#ifdef CONFIG_HIBERNATION
bdfe6b7c 336void __init acpi_no_s4_hw_signature(void);
9743fdea
YL		 337#endif
338
339#ifdef CONFIG_PM_SLEEP
d8f3de0d 340void __init acpi_old_suspend_ordering(void);
72ad5d77 341void __init acpi_nvs_nosave(void);
1bad2f19 342void __init acpi_nvs_nosave_s3(void);
d8f3de0d 343#endif /* CONFIG_PM_SLEEP */
9f5404d8 344
70023de8 345struct acpi_osc_context {
c8678473 346 char *uuid_str; /* UUID string */
70023de8 347 int rev;
c8678473
BH		 348 struct acpi_buffer cap; /* list of DWORD capabilities */
349 struct acpi_buffer ret; /* free by caller if success */
70023de8
SL		 350};
351
4b3db708 352acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
70023de8
SL		 353acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
354
b938a229
BH		 355/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
356#define OSC_QUERY_DWORD 0 /* DWORD 1 */
357#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
358#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
9f5404d8 359
dedf1e4d
BH		 360/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
361#define OSC_QUERY_ENABLE 0x00000001 /* input */
362#define OSC_REQUEST_ERROR 0x00000002 /* return */
363#define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
364#define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
365#define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
9f5404d8 366
dedf1e4d
BH		 367/* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
368#define OSC_SB_PAD_SUPPORT 0x00000001
369#define OSC_SB_PPC_OST_SUPPORT 0x00000002
370#define OSC_SB_PR3_SUPPORT 0x00000004
371#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
372#define OSC_SB_APEI_SUPPORT 0x00000010
373#define OSC_SB_CPC_SUPPORT 0x00000020
3563ff96 374
eccddd32
HY		 375extern bool osc_sb_apei_support_acked;
376
dedf1e4d 377/* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
7dab9ef4
BH		 378#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
379#define OSC_PCI_ASPM_SUPPORT 0x00000002
380#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
dedf1e4d 381#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
7dab9ef4 382#define OSC_PCI_MSI_SUPPORT 0x00000010
dedf1e4d
BH		 383#define OSC_PCI_SUPPORT_MASKS 0x0000001f
384
385/* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
386#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
7dab9ef4 387#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
dedf1e4d
BH		 388#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
389#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
7dab9ef4 390#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
335b1509 391#define OSC_PCI_CONTROL_MASKS 0x0000001f
d90116ea 392
5d98e61d
LT		 393#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
394#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
395#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
396#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
397#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
398#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
399#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
400#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
401#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
402#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
403
75fb60f2
RW		 404extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
405 u32 *mask, u32 req);
275c58d7
TK		 406
407/* Enable _OST when all relevant hotplug operations are enabled */
408#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
08f502c1 409 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
64fd7401 410 defined(CONFIG_ACPI_CONTAINER)
275c58d7
TK		 411#define ACPI_HOTPLUG_OST
412#endif
413
414/* _OST Source Event Code (OSPM Action) */
415#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
416#define ACPI_OST_EC_OSPM_EJECT 0x103
417#define ACPI_OST_EC_OSPM_INSERTION 0x200
418
419/* _OST General Processing Status Code */
420#define ACPI_OST_SC_SUCCESS 0x0
421#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
422#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
423
424/* _OST OS Shutdown Processing (0x100) Status Code */
425#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
426#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
427#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
428#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
429
430/* _OST Ejection Request (0x3, 0x103) Status Code */
431#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
432#define ACPI_OST_SC_DEVICE_IN_USE 0x81
433#define ACPI_OST_SC_DEVICE_BUSY 0x82
434#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
435#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
436
437/* _OST Insertion Request (0x200) Status Code */
438#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
439#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
440#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
441
4a7a16dc
LB		 442extern void acpi_early_init(void);
443
b54ac6d2
HY		 444extern int acpi_nvs_register(__u64 start, __u64 size);
445
446extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
447 void *data);
448
cf761af9
MW		 449const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
450 const struct device *dev);
451
733e6251
MW		 452extern bool acpi_driver_match_device(struct device *dev,
453 const struct device_driver *drv);
6eb2451f
ZR		 454int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
455int acpi_device_modalias(struct device *, char *, int);
40e7fcb1 456void acpi_walk_dep_device_list(acpi_handle handle);
6eb2451f 457
083bf668 458struct platform_device *acpi_create_platform_device(struct acpi_device *);
cf761af9
MW		 459#define ACPI_PTR(_ptr) (_ptr)
460
e55a5999
FT		 461#else /* !CONFIG_ACPI */
462
463#define acpi_disabled 1
464
7b199811
RW		 465#define ACPI_COMPANION(dev) (NULL)
466#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
467#define ACPI_HANDLE(dev) (NULL)
468
8a0662d9
RW		 469struct fwnode_handle;
470
471static inline bool is_acpi_node(struct fwnode_handle *fwnode)
472{
473 return false;
474}
475
476static inline struct acpi_device *acpi_node(struct fwnode_handle *fwnode)
477{
478 return NULL;
479}
480
481static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
482{
483 return NULL;
484}
485
ca5b74d2
RW		 486static inline bool has_acpi_companion(struct device *dev)
487{
488 return false;
489}
490
45c42a7f
JN		 491static inline const char *acpi_dev_name(struct acpi_device *adev)
492{
493 return NULL;
494}
495
4a7a16dc 496static inline void acpi_early_init(void) { }
53de49f5 497
cbf9bd60
YL		 498static inline int early_acpi_boot_init(void)
499{
500 return 0;
501}
53de49f5
AM		 502static inline int acpi_boot_init(void)
503{
504 return 0;
505}
506
8558e394 507static inline void acpi_boot_table_init(void)
53de49f5 508{
8558e394 509 return;
53de49f5
AM		 510}
511
3c999f14
YL		 512static inline int acpi_mps_check(void)
513{
514 return 0;
515}
516
443dea72
TR		 517static inline int acpi_check_resource_conflict(struct resource *res)
518{
519 return 0;
520}
521
df92e695
TR		 522static inline int acpi_check_region(resource_size_t start, resource_size_t n,
523 const char *name)
524{
525 return 0;
526}
527
e55a5999
FT		 528struct acpi_table_header;
529static inline int acpi_table_parse(char *id,
530 int (*handler)(struct acpi_table_header *))
531{
f8a571b2 532 return -ENODEV;
e55a5999 533}
6fed05c9 534
b54ac6d2 535static inline int acpi_nvs_register(__u64 start, __u64 size)
6fed05c9
RW		 536{
537 return 0;
538}
b54ac6d2
HY		 539
540static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
541 void *data)
542{
543 return 0;
544}
545
cf761af9
MW		 546struct acpi_device_id;
547
548static inline const struct acpi_device_id *acpi_match_device(
549 const struct acpi_device_id *ids, const struct device *dev)
550{
551 return NULL;
552}
553
554static inline bool acpi_driver_match_device(struct device *dev,
555 const struct device_driver *drv)
556{
557 return false;
558}
559
6eb2451f
ZR		 560static inline int acpi_device_uevent_modalias(struct device *dev,
561 struct kobj_uevent_env *env)
562{
563 return -ENODEV;
564}
565
566static inline int acpi_device_modalias(struct device *dev,
567 char *buf, int size)
568{
569 return -ENODEV;
570}
571
cf761af9
MW		 572#define ACPI_PTR(_ptr) (NULL)
573
b54ac6d2 574#endif /* !CONFIG_ACPI */
6fed05c9 575
09f98a82
TL		 576#ifdef CONFIG_ACPI
577void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
578 u32 pm1a_ctrl, u32 pm1b_ctrl));
579
580acpi_status acpi_os_prepare_sleep(u8 sleep_state,
581 u32 pm1a_control, u32 pm1b_control);
d6b47b12
BG		 582
583void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
584 u32 val_a, u32 val_b));
585
586acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
587 u32 val_a, u32 val_b);
588
385ddeac 589#ifdef CONFIG_X86
8e30524d
TR		 590void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
591#else
592static inline void arch_reserve_mem_area(acpi_physical_address addr,
593 size_t size)
594{
595}
596#endif /* CONFIG_X86 */
09f98a82
TL		 597#else
598#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
599#endif
600
5de21bb9 601#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
e5cc8ef3
RW		 602int acpi_dev_runtime_suspend(struct device *dev);
603int acpi_dev_runtime_resume(struct device *dev);
604int acpi_subsys_runtime_suspend(struct device *dev);
605int acpi_subsys_runtime_resume(struct device *dev);
5de21bb9
RW		 606struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
607int acpi_dev_pm_attach(struct device *dev, bool power_on);
e5cc8ef3
RW		 608#else
609static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
610static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
611static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
612static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
5de21bb9
RW		 613static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
614{
615 return NULL;
616}
617static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
618{
619 return -ENODEV;
620}
e5cc8ef3
RW		 621#endif
622
d79beb39 623#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
e5cc8ef3
RW		 624int acpi_dev_suspend_late(struct device *dev);
625int acpi_dev_resume_early(struct device *dev);
626int acpi_subsys_prepare(struct device *dev);
4cf563c5 627void acpi_subsys_complete(struct device *dev);
e5cc8ef3
RW		 628int acpi_subsys_suspend_late(struct device *dev);
629int acpi_subsys_resume_early(struct device *dev);
4cf563c5
HK		 630int acpi_subsys_suspend(struct device *dev);
631int acpi_subsys_freeze(struct device *dev);
e5cc8ef3
RW		 632#else
633static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
634static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
635static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
4cf563c5 636static inline void acpi_subsys_complete(struct device *dev) {}
e5cc8ef3
RW		 637static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
638static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
4cf563c5
HK		 639static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
640static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
e5cc8ef3
RW		 641#endif
642
fbfddae6
TK		 643#ifdef CONFIG_ACPI
644__printf(3, 4)
645void acpi_handle_printk(const char *level, acpi_handle handle,
646 const char *fmt, ...);
647#else /* !CONFIG_ACPI */
648static inline __printf(3, 4) void
649acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
650#endif /* !CONFIG_ACPI */
651
45fef5b8
BM		 652#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
653__printf(3, 4)
654void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
655#else
656#define __acpi_handle_debug(descriptor, handle, fmt, ...) \
657 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
658#endif
659
fbfddae6
TK		 660/*
661 * acpi_handle_<level>: Print message with ACPI prefix and object path
662 *
663 * These interfaces acquire the global namespace mutex to obtain an object
664 * path. In interrupt context, it shows the object path as <n/a>.
665 */
666#define acpi_handle_emerg(handle, fmt, ...) \
667 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
668#define acpi_handle_alert(handle, fmt, ...) \
669 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
670#define acpi_handle_crit(handle, fmt, ...) \
671 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
672#define acpi_handle_err(handle, fmt, ...) \
673 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
674#define acpi_handle_warn(handle, fmt, ...) \
675 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
676#define acpi_handle_notice(handle, fmt, ...) \
677 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
678#define acpi_handle_info(handle, fmt, ...) \
679 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
680
45fef5b8 681#if defined(DEBUG)
fbfddae6
TK		 682#define acpi_handle_debug(handle, fmt, ...) \
683 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
684#else
45fef5b8
BM		 685#if defined(CONFIG_DYNAMIC_DEBUG)
686#define acpi_handle_debug(handle, fmt, ...) \
687do { \
688 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
689 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
690 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
691 ##__VA_ARGS__); \
692} while (0)
693#else
fbfddae6
TK		 694#define acpi_handle_debug(handle, fmt, ...) \
695({ \
696 if (0) \
697 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
698 0; \
699})
700#endif
45fef5b8 701#endif
fbfddae6 702
f028d524
RW		 703struct acpi_gpio_params {
704 unsigned int crs_entry_index;
705 unsigned int line_index;
706 bool active_low;
707};
708
709struct acpi_gpio_mapping {
710 const char *name;
711 const struct acpi_gpio_params *data;
712 unsigned int size;
713};
714
715#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
716int acpi_dev_add_driver_gpios(struct acpi_device *adev,
717 const struct acpi_gpio_mapping *gpios);
718
719static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
720{
721 if (adev)
722 adev->driver_gpios = NULL;
723}
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#endif
732
ffdcd955
MW		 733/* Device properties */
734
735#define MAX_ACPI_REFERENCE_ARGS 8
736struct acpi_reference_args {
737 struct acpi_device *adev;
738 size_t nargs;
739 u64 args[MAX_ACPI_REFERENCE_ARGS];
740};
741
742#ifdef CONFIG_ACPI
743int acpi_dev_get_property(struct acpi_device *adev, const char *name,
744 acpi_object_type type, const union acpi_object **obj);
745int acpi_dev_get_property_array(struct acpi_device *adev, const char *name,
746 acpi_object_type type,
747 const union acpi_object **obj);
60ba032e
RW		 748int acpi_dev_get_property_reference(struct acpi_device *adev,
749 const char *name, size_t index,
ffdcd955 750 struct acpi_reference_args *args);
b31384fa
RW		 751
752int acpi_dev_prop_get(struct acpi_device *adev, const char *propname,
753 void **valptr);
754int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
755 enum dev_prop_type proptype, void *val);
756int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
757 enum dev_prop_type proptype, void *val, size_t nval);
8a0662d9
RW		 758
759struct acpi_device *acpi_get_next_child(struct device *dev,
760 struct acpi_device *child);
ffdcd955
MW		 761#else
762static inline int acpi_dev_get_property(struct acpi_device *adev,
763 const char *name, acpi_object_type type,
764 const union acpi_object **obj)
765{
766 return -ENXIO;
767}
768static inline int acpi_dev_get_property_array(struct acpi_device *adev,
769 const char *name,
770 acpi_object_type type,
771 const union acpi_object **obj)
772{
773 return -ENXIO;
774}
775static inline int acpi_dev_get_property_reference(struct acpi_device *adev,
776 const char *name, const char *cells_name,
777 size_t index, struct acpi_reference_args *args)
778{
779 return -ENXIO;
780}
b31384fa
RW		 781
782static inline int acpi_dev_prop_get(struct acpi_device *adev,
783 const char *propname,
784 void **valptr)
785{
786 return -ENXIO;
787}
788
789static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
790 const char *propname,
791 enum dev_prop_type proptype,
792 void *val)
793{
794 return -ENXIO;
795}
796
797static inline int acpi_dev_prop_read(struct acpi_device *adev,
798 const char *propname,
799 enum dev_prop_type proptype,
800 void *val, size_t nval)
801{
802 return -ENXIO;
803}
804
8a0662d9
RW		 805static inline struct acpi_device *acpi_get_next_child(struct device *dev,
806 struct acpi_device *child)
807{
808 return NULL;
809}
810
ffdcd955
MW		 811#endif
812
25be5e6c 813#endif /*_LINUX_ACPI_H*/
Linux 6.x block layer and io_uring tree(s)