2 * acpi.h - ACPI Interface
4 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.
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.
18 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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>
33 #include <acpi/acpi.h>
37 #include <linux/list.h>
38 #include <linux/mod_devicetable.h>
39 #include <linux/dynamic_debug.h>
40 #include <linux/module.h>
41 #include <linux/mutex.h>
43 #include <acpi/acpi_bus.h>
44 #include <acpi/acpi_drivers.h>
45 #include <acpi/acpi_numa.h>
46 #include <acpi/acpi_io.h>
49 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
51 return adev ? adev->handle : NULL;
54 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
55 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
56 acpi_fwnode_handle(adev) : NULL)
57 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
60 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
61 * the PCI-defined class-code information
63 * @_cls : the class, subclass, prog-if triple for this device
64 * @_msk : the class mask for this device
66 * This macro is used to create a struct acpi_device_id that matches a
67 * specific PCI class. The .id and .driver_data fields will be left
68 * initialized with the default value.
70 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk),
72 static inline bool has_acpi_companion(struct device *dev)
74 return is_acpi_device_node(dev->fwnode);
77 static inline void acpi_preset_companion(struct device *dev,
78 struct acpi_device *parent, u64 addr)
80 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
83 static inline const char *acpi_dev_name(struct acpi_device *adev)
85 return dev_name(&adev->dev);
88 enum acpi_irq_model_id {
89 ACPI_IRQ_MODEL_PIC = 0,
90 ACPI_IRQ_MODEL_IOAPIC,
91 ACPI_IRQ_MODEL_IOSAPIC,
92 ACPI_IRQ_MODEL_PLATFORM,
97 extern enum acpi_irq_model_id acpi_irq_model;
99 enum acpi_interrupt_id {
100 ACPI_INTERRUPT_PMI = 1,
106 #define ACPI_SPACE_MEM 0
108 enum acpi_address_range_id {
109 ACPI_ADDRESS_RANGE_MEMORY = 1,
110 ACPI_ADDRESS_RANGE_RESERVED = 2,
111 ACPI_ADDRESS_RANGE_ACPI = 3,
112 ACPI_ADDRESS_RANGE_NVS = 4,
113 ACPI_ADDRESS_RANGE_COUNT
119 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
121 typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
122 const unsigned long end);
124 /* Debugger support */
126 struct acpi_debugger_ops {
127 int (*create_thread)(acpi_osd_exec_callback function, void *context);
128 ssize_t (*write_log)(const char *msg);
129 ssize_t (*read_cmd)(char *buffer, size_t length);
130 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
131 int (*notify_command_complete)(void);
134 struct acpi_debugger {
135 const struct acpi_debugger_ops *ops;
136 struct module *owner;
140 #ifdef CONFIG_ACPI_DEBUGGER
141 int __init acpi_debugger_init(void);
142 int acpi_register_debugger(struct module *owner,
143 const struct acpi_debugger_ops *ops);
144 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
145 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
146 ssize_t acpi_debugger_write_log(const char *msg);
147 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
148 int acpi_debugger_wait_command_ready(void);
149 int acpi_debugger_notify_command_complete(void);
151 static inline int acpi_debugger_init(void)
156 static inline int acpi_register_debugger(struct module *owner,
157 const struct acpi_debugger_ops *ops)
162 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
166 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
172 static inline int acpi_debugger_write_log(const char *msg)
177 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
182 static inline int acpi_debugger_wait_command_ready(void)
187 static inline int acpi_debugger_notify_command_complete(void)
193 #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
194 void acpi_initrd_override(void *data, size_t size);
196 static inline void acpi_initrd_override(void *data, size_t size)
201 #define BAD_MADT_ENTRY(entry, end) ( \
202 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
203 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
205 struct acpi_subtable_proc {
207 acpi_tbl_entry_handler handler;
211 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
212 void __acpi_unmap_table(char *map, unsigned long size);
213 int early_acpi_boot_init(void);
214 int acpi_boot_init (void);
215 void acpi_boot_table_init (void);
216 int acpi_mps_check (void);
217 int acpi_numa_init (void);
219 int acpi_table_init (void);
220 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
221 int __init acpi_parse_entries(char *id, unsigned long table_size,
222 acpi_tbl_entry_handler handler,
223 struct acpi_table_header *table_header,
224 int entry_id, unsigned int max_entries);
225 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
227 acpi_tbl_entry_handler handler,
228 unsigned int max_entries);
229 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
231 acpi_tbl_entry_handler handler,
232 unsigned int max_entries);
233 int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
234 struct acpi_subtable_proc *proc, int proc_num,
235 unsigned int max_entries);
236 int acpi_table_parse_madt(enum acpi_madt_type id,
237 acpi_tbl_entry_handler handler,
238 unsigned int max_entries);
239 int acpi_parse_mcfg (struct acpi_table_header *header);
240 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
242 /* the following four functions are architecture-dependent */
243 void acpi_numa_slit_init (struct acpi_table_slit *slit);
244 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
245 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
246 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
247 void acpi_numa_arch_fixup(void);
249 #ifndef PHYS_CPUID_INVALID
250 typedef u32 phys_cpuid_t;
251 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
254 static inline bool invalid_logical_cpuid(u32 cpuid)
256 return (int)cpuid < 0;
259 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
261 return phys_id == PHYS_CPUID_INVALID;
264 #ifdef CONFIG_ACPI_HOTPLUG_CPU
265 /* Arch dependent functions for cpu hotplug support */
266 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
267 int acpi_unmap_cpu(int cpu);
268 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
270 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
271 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
274 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
275 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
276 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
277 void acpi_irq_stats_init(void);
278 extern u32 acpi_irq_handled;
279 extern u32 acpi_irq_not_handled;
280 extern unsigned int acpi_sci_irq;
281 #define INVALID_ACPI_IRQ ((unsigned)-1)
282 static inline bool acpi_sci_irq_valid(void)
284 return acpi_sci_irq != INVALID_ACPI_IRQ;
288 extern unsigned long acpi_realmode_flags;
290 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
291 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
292 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
294 void acpi_set_irq_model(enum acpi_irq_model_id model,
295 struct fwnode_handle *fwnode);
297 #ifdef CONFIG_X86_IO_APIC
298 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
300 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
303 * This function undoes the effect of one call to acpi_register_gsi().
304 * If this matches the last registration, any IRQ resources for gsi
307 void acpi_unregister_gsi (u32 gsi);
311 int acpi_pci_irq_enable (struct pci_dev *dev);
312 void acpi_penalize_isa_irq(int irq, int active);
313 bool acpi_isa_irq_available(int irq);
314 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
315 void acpi_pci_irq_disable (struct pci_dev *dev);
317 extern int ec_read(u8 addr, u8 *val);
318 extern int ec_write(u8 addr, u8 val);
319 extern int ec_transaction(u8 command,
320 const u8 *wdata, unsigned wdata_len,
321 u8 *rdata, unsigned rdata_len);
322 extern acpi_handle ec_get_handle(void);
324 extern bool acpi_is_pnp_device(struct acpi_device *);
326 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
328 typedef void (*wmi_notify_handler) (u32 value, void *context);
330 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
332 const struct acpi_buffer *in,
333 struct acpi_buffer *out);
334 extern acpi_status wmi_query_block(const char *guid, u8 instance,
335 struct acpi_buffer *out);
336 extern acpi_status wmi_set_block(const char *guid, u8 instance,
337 const struct acpi_buffer *in);
338 extern acpi_status wmi_install_notify_handler(const char *guid,
339 wmi_notify_handler handler, void *data);
340 extern acpi_status wmi_remove_notify_handler(const char *guid);
341 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
342 extern bool wmi_has_guid(const char *guid);
344 #endif /* CONFIG_ACPI_WMI */
346 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
347 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
348 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
349 #define ACPI_VIDEO_BACKLIGHT 0x0008
350 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
351 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
352 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
353 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
354 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
355 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
356 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
357 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
359 extern char acpi_video_backlight_string[];
360 extern long acpi_is_video_device(acpi_handle handle);
361 extern int acpi_blacklisted(void);
362 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
363 extern void acpi_dmi_osi_darwin(int enable, const struct dmi_system_id *d);
364 extern void acpi_osi_setup(char *str);
365 extern bool acpi_osi_is_win8(void);
367 #ifdef CONFIG_ACPI_NUMA
368 int acpi_map_pxm_to_online_node(int pxm);
369 int acpi_get_node(acpi_handle handle);
371 static inline int acpi_map_pxm_to_online_node(int pxm)
375 static inline int acpi_get_node(acpi_handle handle)
380 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
382 extern int pnpacpi_disabled;
384 #define PXM_INVAL (-1)
386 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
387 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
388 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
389 struct resource_win *win);
390 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
391 struct resource_win *win);
392 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
393 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
394 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
395 struct resource *res);
397 void acpi_dev_free_resource_list(struct list_head *list);
398 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
399 int (*preproc)(struct acpi_resource *, void *),
401 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
402 unsigned long types);
404 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
407 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
410 int acpi_check_resource_conflict(const struct resource *res);
412 int acpi_check_region(resource_size_t start, resource_size_t n,
415 int acpi_resources_are_enforced(void);
417 #ifdef CONFIG_HIBERNATION
418 void __init acpi_no_s4_hw_signature(void);
421 #ifdef CONFIG_PM_SLEEP
422 void __init acpi_old_suspend_ordering(void);
423 void __init acpi_nvs_nosave(void);
424 void __init acpi_nvs_nosave_s3(void);
425 #endif /* CONFIG_PM_SLEEP */
427 struct acpi_osc_context {
428 char *uuid_str; /* UUID string */
430 struct acpi_buffer cap; /* list of DWORD capabilities */
431 struct acpi_buffer ret; /* free by caller if success */
434 acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
435 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
437 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
438 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
439 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
440 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
442 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
443 #define OSC_QUERY_ENABLE 0x00000001 /* input */
444 #define OSC_REQUEST_ERROR 0x00000002 /* return */
445 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
446 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
447 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
449 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
450 #define OSC_SB_PAD_SUPPORT 0x00000001
451 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
452 #define OSC_SB_PR3_SUPPORT 0x00000004
453 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
454 #define OSC_SB_APEI_SUPPORT 0x00000010
455 #define OSC_SB_CPC_SUPPORT 0x00000020
457 extern bool osc_sb_apei_support_acked;
459 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
460 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
461 #define OSC_PCI_ASPM_SUPPORT 0x00000002
462 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
463 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
464 #define OSC_PCI_MSI_SUPPORT 0x00000010
465 #define OSC_PCI_SUPPORT_MASKS 0x0000001f
467 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
468 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
469 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
470 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
471 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
472 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
473 #define OSC_PCI_CONTROL_MASKS 0x0000001f
475 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
476 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
477 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
478 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
479 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
480 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
481 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
482 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
483 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
484 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
486 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
489 /* Enable _OST when all relevant hotplug operations are enabled */
490 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
491 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
492 defined(CONFIG_ACPI_CONTAINER)
493 #define ACPI_HOTPLUG_OST
496 /* _OST Source Event Code (OSPM Action) */
497 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
498 #define ACPI_OST_EC_OSPM_EJECT 0x103
499 #define ACPI_OST_EC_OSPM_INSERTION 0x200
501 /* _OST General Processing Status Code */
502 #define ACPI_OST_SC_SUCCESS 0x0
503 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
504 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
506 /* _OST OS Shutdown Processing (0x100) Status Code */
507 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
508 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
509 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
510 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
512 /* _OST Ejection Request (0x3, 0x103) Status Code */
513 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
514 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
515 #define ACPI_OST_SC_DEVICE_BUSY 0x82
516 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
517 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
519 /* _OST Insertion Request (0x200) Status Code */
520 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
521 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
522 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
524 extern void acpi_early_init(void);
525 extern void acpi_subsystem_init(void);
527 extern int acpi_nvs_register(__u64 start, __u64 size);
529 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
532 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
533 const struct device *dev);
535 extern bool acpi_driver_match_device(struct device *dev,
536 const struct device_driver *drv);
537 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
538 int acpi_device_modalias(struct device *, char *, int);
539 void acpi_walk_dep_device_list(acpi_handle handle);
541 struct platform_device *acpi_create_platform_device(struct acpi_device *);
542 #define ACPI_PTR(_ptr) (_ptr)
544 #else /* !CONFIG_ACPI */
546 #define acpi_disabled 1
548 #define ACPI_COMPANION(dev) (NULL)
549 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
550 #define ACPI_HANDLE(dev) (NULL)
551 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
553 struct fwnode_handle;
555 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
560 static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
565 static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
570 static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
575 static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
580 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
585 static inline bool has_acpi_companion(struct device *dev)
590 static inline void acpi_preset_companion(struct device *dev,
591 struct acpi_device *parent, u64 addr)
595 static inline const char *acpi_dev_name(struct acpi_device *adev)
600 static inline void acpi_early_init(void) { }
601 static inline void acpi_subsystem_init(void) { }
603 static inline int early_acpi_boot_init(void)
607 static inline int acpi_boot_init(void)
612 static inline void acpi_boot_table_init(void)
617 static inline int acpi_mps_check(void)
622 static inline int acpi_check_resource_conflict(struct resource *res)
627 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
633 struct acpi_table_header;
634 static inline int acpi_table_parse(char *id,
635 int (*handler)(struct acpi_table_header *))
640 static inline int acpi_nvs_register(__u64 start, __u64 size)
645 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
651 struct acpi_device_id;
653 static inline const struct acpi_device_id *acpi_match_device(
654 const struct acpi_device_id *ids, const struct device *dev)
659 static inline bool acpi_driver_match_device(struct device *dev,
660 const struct device_driver *drv)
665 static inline int acpi_device_uevent_modalias(struct device *dev,
666 struct kobj_uevent_env *env)
671 static inline int acpi_device_modalias(struct device *dev,
677 static inline bool acpi_dma_supported(struct acpi_device *adev)
682 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
684 return DEV_DMA_NOT_SUPPORTED;
687 #define ACPI_PTR(_ptr) (NULL)
689 #endif /* !CONFIG_ACPI */
692 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
693 u32 pm1a_ctrl, u32 pm1b_ctrl));
695 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
696 u32 pm1a_control, u32 pm1b_control);
698 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
699 u32 val_a, u32 val_b));
701 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
702 u32 val_a, u32 val_b);
705 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
707 static inline void arch_reserve_mem_area(acpi_physical_address addr,
711 #endif /* CONFIG_X86 */
713 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
716 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
717 int acpi_dev_runtime_suspend(struct device *dev);
718 int acpi_dev_runtime_resume(struct device *dev);
719 int acpi_subsys_runtime_suspend(struct device *dev);
720 int acpi_subsys_runtime_resume(struct device *dev);
721 struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
722 int acpi_dev_pm_attach(struct device *dev, bool power_on);
724 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
725 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
726 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
727 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
728 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
732 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
738 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
739 int acpi_dev_suspend_late(struct device *dev);
740 int acpi_dev_resume_early(struct device *dev);
741 int acpi_subsys_prepare(struct device *dev);
742 void acpi_subsys_complete(struct device *dev);
743 int acpi_subsys_suspend_late(struct device *dev);
744 int acpi_subsys_resume_early(struct device *dev);
745 int acpi_subsys_suspend(struct device *dev);
746 int acpi_subsys_freeze(struct device *dev);
748 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
749 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
750 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
751 static inline void acpi_subsys_complete(struct device *dev) {}
752 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
753 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
754 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
755 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
760 void acpi_handle_printk(const char *level, acpi_handle handle,
761 const char *fmt, ...);
762 #else /* !CONFIG_ACPI */
763 static inline __printf(3, 4) void
764 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
765 #endif /* !CONFIG_ACPI */
767 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
769 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
771 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \
772 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
776 * acpi_handle_<level>: Print message with ACPI prefix and object path
778 * These interfaces acquire the global namespace mutex to obtain an object
779 * path. In interrupt context, it shows the object path as <n/a>.
781 #define acpi_handle_emerg(handle, fmt, ...) \
782 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
783 #define acpi_handle_alert(handle, fmt, ...) \
784 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
785 #define acpi_handle_crit(handle, fmt, ...) \
786 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
787 #define acpi_handle_err(handle, fmt, ...) \
788 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
789 #define acpi_handle_warn(handle, fmt, ...) \
790 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
791 #define acpi_handle_notice(handle, fmt, ...) \
792 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
793 #define acpi_handle_info(handle, fmt, ...) \
794 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
797 #define acpi_handle_debug(handle, fmt, ...) \
798 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
800 #if defined(CONFIG_DYNAMIC_DEBUG)
801 #define acpi_handle_debug(handle, fmt, ...) \
803 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
804 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
805 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
809 #define acpi_handle_debug(handle, fmt, ...) \
812 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
818 struct acpi_gpio_params {
819 unsigned int crs_entry_index;
820 unsigned int line_index;
824 struct acpi_gpio_mapping {
826 const struct acpi_gpio_params *data;
830 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
831 int acpi_dev_add_driver_gpios(struct acpi_device *adev,
832 const struct acpi_gpio_mapping *gpios);
834 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
837 adev->driver_gpios = NULL;
840 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
842 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
843 const struct acpi_gpio_mapping *gpios)
847 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
849 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
855 /* Device properties */
857 #define MAX_ACPI_REFERENCE_ARGS 8
858 struct acpi_reference_args {
859 struct acpi_device *adev;
861 u64 args[MAX_ACPI_REFERENCE_ARGS];
865 int acpi_dev_get_property(struct acpi_device *adev, const char *name,
866 acpi_object_type type, const union acpi_object **obj);
867 int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
868 const char *name, size_t index,
869 struct acpi_reference_args *args);
871 int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname,
873 int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
874 enum dev_prop_type proptype, void *val);
875 int acpi_node_prop_read(struct fwnode_handle *fwnode, const char *propname,
876 enum dev_prop_type proptype, void *val, size_t nval);
877 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
878 enum dev_prop_type proptype, void *val, size_t nval);
880 struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
881 struct fwnode_handle *subnode);
883 struct acpi_probe_entry;
884 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
885 struct acpi_probe_entry *);
887 #define ACPI_TABLE_ID_LEN 5
890 * struct acpi_probe_entry - boot-time probing entry
891 * @id: ACPI table name
892 * @type: Optional subtable type to match
893 * (if @id contains subtables)
894 * @subtable_valid: Optional callback to check the validity of
896 * @probe_table: Callback to the driver being probed when table
897 * match is successful
898 * @probe_subtbl: Callback to the driver being probed when table and
899 * subtable match (and optional callback is successful)
900 * @driver_data: Sideband data provided back to the driver
902 struct acpi_probe_entry {
903 __u8 id[ACPI_TABLE_ID_LEN];
905 acpi_probe_entry_validate_subtbl subtable_valid;
907 acpi_tbl_table_handler probe_table;
908 acpi_tbl_entry_handler probe_subtbl;
910 kernel_ulong_t driver_data;
913 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
914 static const struct acpi_probe_entry __acpi_probe_##name \
915 __used __section(__##table##_acpi_probe_table) \
919 .subtable_valid = valid, \
920 .probe_table = (acpi_tbl_table_handler)fn, \
921 .driver_data = data, \
924 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
925 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
927 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
929 #define acpi_probe_device_table(t) \
931 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
932 ACPI_PROBE_TABLE_END(t); \
933 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
934 (&ACPI_PROBE_TABLE_END(t) - \
935 &ACPI_PROBE_TABLE(t))); \
938 static inline int acpi_dev_get_property(struct acpi_device *adev,
939 const char *name, acpi_object_type type,
940 const union acpi_object **obj)
945 static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
946 const char *name, size_t index,
947 struct acpi_reference_args *args)
952 static inline int acpi_node_prop_get(struct fwnode_handle *fwnode,
953 const char *propname,
959 static inline int acpi_dev_prop_get(struct acpi_device *adev,
960 const char *propname,
966 static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
967 const char *propname,
968 enum dev_prop_type proptype,
974 static inline int acpi_node_prop_read(struct fwnode_handle *fwnode,
975 const char *propname,
976 enum dev_prop_type proptype,
977 void *val, size_t nval)
982 static inline int acpi_dev_prop_read(struct acpi_device *adev,
983 const char *propname,
984 enum dev_prop_type proptype,
985 void *val, size_t nval)
990 static inline struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
991 struct fwnode_handle *subnode)
996 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, validate, data, fn) \
997 static const void * __acpi_table_##name[] \
998 __attribute__((unused)) \
999 = { (void *) table_id, \
1000 (void *) subtable, \
1005 #define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1008 #endif /*_LINUX_ACPI_H*/