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 #define BAD_MADT_ENTRY(entry, end) ( \
194 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
195 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
197 struct acpi_subtable_proc {
199 acpi_tbl_entry_handler handler;
203 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
204 void __acpi_unmap_table(char *map, unsigned long size);
205 int early_acpi_boot_init(void);
206 int acpi_boot_init (void);
207 void acpi_boot_table_init (void);
208 int acpi_mps_check (void);
209 int acpi_numa_init (void);
211 void early_acpi_table_init(void *data, size_t size);
212 int acpi_table_init (void);
213 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
214 int __init acpi_parse_entries(char *id, unsigned long table_size,
215 acpi_tbl_entry_handler handler,
216 struct acpi_table_header *table_header,
217 int entry_id, unsigned int max_entries);
218 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
220 acpi_tbl_entry_handler handler,
221 unsigned int max_entries);
222 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
224 acpi_tbl_entry_handler handler,
225 unsigned int max_entries);
226 int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
227 struct acpi_subtable_proc *proc, int proc_num,
228 unsigned int max_entries);
229 int acpi_table_parse_madt(enum acpi_madt_type id,
230 acpi_tbl_entry_handler handler,
231 unsigned int max_entries);
232 int acpi_parse_mcfg (struct acpi_table_header *header);
233 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
235 /* the following numa functions are architecture-dependent */
236 void acpi_numa_slit_init (struct acpi_table_slit *slit);
238 #if defined(CONFIG_X86) || defined(CONFIG_IA64)
239 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
242 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);
248 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
251 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
254 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
256 #ifndef PHYS_CPUID_INVALID
257 typedef u32 phys_cpuid_t;
258 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
261 static inline bool invalid_logical_cpuid(u32 cpuid)
263 return (int)cpuid < 0;
266 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
268 return phys_id == PHYS_CPUID_INVALID;
271 #ifdef CONFIG_ACPI_HOTPLUG_CPU
272 /* Arch dependent functions for cpu hotplug support */
273 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
274 int acpi_unmap_cpu(int cpu);
275 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
277 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
278 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
281 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
282 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
283 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
284 void acpi_irq_stats_init(void);
285 extern u32 acpi_irq_handled;
286 extern u32 acpi_irq_not_handled;
287 extern unsigned int acpi_sci_irq;
288 extern bool acpi_no_s5;
289 #define INVALID_ACPI_IRQ ((unsigned)-1)
290 static inline bool acpi_sci_irq_valid(void)
292 return acpi_sci_irq != INVALID_ACPI_IRQ;
296 extern unsigned long acpi_realmode_flags;
298 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
299 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
300 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
302 void acpi_set_irq_model(enum acpi_irq_model_id model,
303 struct fwnode_handle *fwnode);
305 #ifdef CONFIG_X86_IO_APIC
306 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
308 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
311 * This function undoes the effect of one call to acpi_register_gsi().
312 * If this matches the last registration, any IRQ resources for gsi
315 void acpi_unregister_gsi (u32 gsi);
319 int acpi_pci_irq_enable (struct pci_dev *dev);
320 void acpi_penalize_isa_irq(int irq, int active);
321 bool acpi_isa_irq_available(int irq);
322 void acpi_pci_irq_disable (struct pci_dev *dev);
324 extern int ec_read(u8 addr, u8 *val);
325 extern int ec_write(u8 addr, u8 val);
326 extern int ec_transaction(u8 command,
327 const u8 *wdata, unsigned wdata_len,
328 u8 *rdata, unsigned rdata_len);
329 extern acpi_handle ec_get_handle(void);
331 extern bool acpi_is_pnp_device(struct acpi_device *);
333 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
335 typedef void (*wmi_notify_handler) (u32 value, void *context);
337 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
339 const struct acpi_buffer *in,
340 struct acpi_buffer *out);
341 extern acpi_status wmi_query_block(const char *guid, u8 instance,
342 struct acpi_buffer *out);
343 extern acpi_status wmi_set_block(const char *guid, u8 instance,
344 const struct acpi_buffer *in);
345 extern acpi_status wmi_install_notify_handler(const char *guid,
346 wmi_notify_handler handler, void *data);
347 extern acpi_status wmi_remove_notify_handler(const char *guid);
348 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
349 extern bool wmi_has_guid(const char *guid);
351 #endif /* CONFIG_ACPI_WMI */
353 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
354 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
355 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
356 #define ACPI_VIDEO_BACKLIGHT 0x0008
357 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
358 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
359 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
360 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
361 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
362 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
363 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
364 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
366 extern char acpi_video_backlight_string[];
367 extern long acpi_is_video_device(acpi_handle handle);
368 extern int acpi_blacklisted(void);
369 extern void acpi_osi_setup(char *str);
370 extern bool acpi_osi_is_win8(void);
372 #ifdef CONFIG_ACPI_NUMA
373 int acpi_map_pxm_to_online_node(int pxm);
374 int acpi_get_node(acpi_handle handle);
376 static inline int acpi_map_pxm_to_online_node(int pxm)
380 static inline int acpi_get_node(acpi_handle handle)
385 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
387 extern int pnpacpi_disabled;
389 #define PXM_INVAL (-1)
391 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
392 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
393 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
394 struct resource_win *win);
395 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
396 struct resource_win *win);
397 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
398 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
399 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
400 struct resource *res);
402 void acpi_dev_free_resource_list(struct list_head *list);
403 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
404 int (*preproc)(struct acpi_resource *, void *),
406 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
407 unsigned long types);
409 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
412 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
415 int acpi_check_resource_conflict(const struct resource *res);
417 int acpi_check_region(resource_size_t start, resource_size_t n,
420 int acpi_resources_are_enforced(void);
422 #ifdef CONFIG_HIBERNATION
423 void __init acpi_no_s4_hw_signature(void);
426 #ifdef CONFIG_PM_SLEEP
427 void __init acpi_old_suspend_ordering(void);
428 void __init acpi_nvs_nosave(void);
429 void __init acpi_nvs_nosave_s3(void);
430 #endif /* CONFIG_PM_SLEEP */
432 struct acpi_osc_context {
433 char *uuid_str; /* UUID string */
435 struct acpi_buffer cap; /* list of DWORD capabilities */
436 struct acpi_buffer ret; /* free by caller if success */
439 acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
440 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
442 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
443 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
444 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
445 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
447 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
448 #define OSC_QUERY_ENABLE 0x00000001 /* input */
449 #define OSC_REQUEST_ERROR 0x00000002 /* return */
450 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
451 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
452 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
454 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
455 #define OSC_SB_PAD_SUPPORT 0x00000001
456 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
457 #define OSC_SB_PR3_SUPPORT 0x00000004
458 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
459 #define OSC_SB_APEI_SUPPORT 0x00000010
460 #define OSC_SB_CPC_SUPPORT 0x00000020
462 extern bool osc_sb_apei_support_acked;
464 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
465 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
466 #define OSC_PCI_ASPM_SUPPORT 0x00000002
467 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
468 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
469 #define OSC_PCI_MSI_SUPPORT 0x00000010
470 #define OSC_PCI_SUPPORT_MASKS 0x0000001f
472 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
473 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
474 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
475 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
476 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
477 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
478 #define OSC_PCI_CONTROL_MASKS 0x0000001f
480 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
481 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
482 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
483 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
484 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
485 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
486 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
487 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
488 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
489 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
491 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
494 /* Enable _OST when all relevant hotplug operations are enabled */
495 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
496 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
497 defined(CONFIG_ACPI_CONTAINER)
498 #define ACPI_HOTPLUG_OST
501 /* _OST Source Event Code (OSPM Action) */
502 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
503 #define ACPI_OST_EC_OSPM_EJECT 0x103
504 #define ACPI_OST_EC_OSPM_INSERTION 0x200
506 /* _OST General Processing Status Code */
507 #define ACPI_OST_SC_SUCCESS 0x0
508 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
509 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
511 /* _OST OS Shutdown Processing (0x100) Status Code */
512 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
513 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
514 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
515 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
517 /* _OST Ejection Request (0x3, 0x103) Status Code */
518 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
519 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
520 #define ACPI_OST_SC_DEVICE_BUSY 0x82
521 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
522 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
524 /* _OST Insertion Request (0x200) Status Code */
525 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
526 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
527 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
529 extern void acpi_early_init(void);
530 extern void acpi_subsystem_init(void);
532 extern int acpi_nvs_register(__u64 start, __u64 size);
534 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
537 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
538 const struct device *dev);
540 extern bool acpi_driver_match_device(struct device *dev,
541 const struct device_driver *drv);
542 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
543 int acpi_device_modalias(struct device *, char *, int);
544 void acpi_walk_dep_device_list(acpi_handle handle);
546 struct platform_device *acpi_create_platform_device(struct acpi_device *);
547 #define ACPI_PTR(_ptr) (_ptr)
549 #else /* !CONFIG_ACPI */
551 #define acpi_disabled 1
553 #define ACPI_COMPANION(dev) (NULL)
554 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
555 #define ACPI_HANDLE(dev) (NULL)
556 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
558 struct fwnode_handle;
560 static inline bool is_acpi_node(struct fwnode_handle *fwnode)
565 static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
570 static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
575 static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
580 static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
585 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
590 static inline bool has_acpi_companion(struct device *dev)
595 static inline void acpi_preset_companion(struct device *dev,
596 struct acpi_device *parent, u64 addr)
600 static inline const char *acpi_dev_name(struct acpi_device *adev)
605 static inline void early_acpi_table_init(void *data, size_t size) { }
606 static inline void acpi_early_init(void) { }
607 static inline void acpi_subsystem_init(void) { }
609 static inline int early_acpi_boot_init(void)
613 static inline int acpi_boot_init(void)
618 static inline void acpi_boot_table_init(void)
623 static inline int acpi_mps_check(void)
628 static inline int acpi_check_resource_conflict(struct resource *res)
633 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
639 struct acpi_table_header;
640 static inline int acpi_table_parse(char *id,
641 int (*handler)(struct acpi_table_header *))
646 static inline int acpi_nvs_register(__u64 start, __u64 size)
651 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
657 struct acpi_device_id;
659 static inline const struct acpi_device_id *acpi_match_device(
660 const struct acpi_device_id *ids, const struct device *dev)
665 static inline bool acpi_driver_match_device(struct device *dev,
666 const struct device_driver *drv)
671 static inline int acpi_device_uevent_modalias(struct device *dev,
672 struct kobj_uevent_env *env)
677 static inline int acpi_device_modalias(struct device *dev,
683 static inline bool acpi_dma_supported(struct acpi_device *adev)
688 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
690 return DEV_DMA_NOT_SUPPORTED;
693 #define ACPI_PTR(_ptr) (NULL)
695 #endif /* !CONFIG_ACPI */
698 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
699 u32 pm1a_ctrl, u32 pm1b_ctrl));
701 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
702 u32 pm1a_control, u32 pm1b_control);
704 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
705 u32 val_a, u32 val_b));
707 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
708 u32 val_a, u32 val_b);
711 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
713 static inline void arch_reserve_mem_area(acpi_physical_address addr,
717 #endif /* CONFIG_X86 */
719 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
722 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
723 int acpi_dev_runtime_suspend(struct device *dev);
724 int acpi_dev_runtime_resume(struct device *dev);
725 int acpi_subsys_runtime_suspend(struct device *dev);
726 int acpi_subsys_runtime_resume(struct device *dev);
727 struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
728 int acpi_dev_pm_attach(struct device *dev, bool power_on);
730 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
731 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
732 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
733 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
734 static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
738 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
744 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
745 int acpi_dev_suspend_late(struct device *dev);
746 int acpi_dev_resume_early(struct device *dev);
747 int acpi_subsys_prepare(struct device *dev);
748 void acpi_subsys_complete(struct device *dev);
749 int acpi_subsys_suspend_late(struct device *dev);
750 int acpi_subsys_resume_early(struct device *dev);
751 int acpi_subsys_suspend(struct device *dev);
752 int acpi_subsys_freeze(struct device *dev);
754 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
755 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
756 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
757 static inline void acpi_subsys_complete(struct device *dev) {}
758 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
759 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
760 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
761 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
766 void acpi_handle_printk(const char *level, acpi_handle handle,
767 const char *fmt, ...);
768 #else /* !CONFIG_ACPI */
769 static inline __printf(3, 4) void
770 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
771 #endif /* !CONFIG_ACPI */
773 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
775 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
777 #define __acpi_handle_debug(descriptor, handle, fmt, ...) \
778 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
782 * acpi_handle_<level>: Print message with ACPI prefix and object path
784 * These interfaces acquire the global namespace mutex to obtain an object
785 * path. In interrupt context, it shows the object path as <n/a>.
787 #define acpi_handle_emerg(handle, fmt, ...) \
788 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
789 #define acpi_handle_alert(handle, fmt, ...) \
790 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
791 #define acpi_handle_crit(handle, fmt, ...) \
792 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
793 #define acpi_handle_err(handle, fmt, ...) \
794 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
795 #define acpi_handle_warn(handle, fmt, ...) \
796 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
797 #define acpi_handle_notice(handle, fmt, ...) \
798 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
799 #define acpi_handle_info(handle, fmt, ...) \
800 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
803 #define acpi_handle_debug(handle, fmt, ...) \
804 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
806 #if defined(CONFIG_DYNAMIC_DEBUG)
807 #define acpi_handle_debug(handle, fmt, ...) \
809 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
810 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
811 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
815 #define acpi_handle_debug(handle, fmt, ...) \
818 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
824 struct acpi_gpio_params {
825 unsigned int crs_entry_index;
826 unsigned int line_index;
830 struct acpi_gpio_mapping {
832 const struct acpi_gpio_params *data;
836 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
837 int acpi_dev_add_driver_gpios(struct acpi_device *adev,
838 const struct acpi_gpio_mapping *gpios);
840 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
843 adev->driver_gpios = NULL;
846 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
848 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
849 const struct acpi_gpio_mapping *gpios)
853 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
855 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
861 /* Device properties */
863 #define MAX_ACPI_REFERENCE_ARGS 8
864 struct acpi_reference_args {
865 struct acpi_device *adev;
867 u64 args[MAX_ACPI_REFERENCE_ARGS];
871 int acpi_dev_get_property(struct acpi_device *adev, const char *name,
872 acpi_object_type type, const union acpi_object **obj);
873 int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
874 const char *name, size_t index,
875 struct acpi_reference_args *args);
877 int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname,
879 int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
880 enum dev_prop_type proptype, void *val);
881 int acpi_node_prop_read(struct fwnode_handle *fwnode, const char *propname,
882 enum dev_prop_type proptype, void *val, size_t nval);
883 int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
884 enum dev_prop_type proptype, void *val, size_t nval);
886 struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
887 struct fwnode_handle *subnode);
889 struct acpi_probe_entry;
890 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
891 struct acpi_probe_entry *);
893 #define ACPI_TABLE_ID_LEN 5
896 * struct acpi_probe_entry - boot-time probing entry
897 * @id: ACPI table name
898 * @type: Optional subtable type to match
899 * (if @id contains subtables)
900 * @subtable_valid: Optional callback to check the validity of
902 * @probe_table: Callback to the driver being probed when table
903 * match is successful
904 * @probe_subtbl: Callback to the driver being probed when table and
905 * subtable match (and optional callback is successful)
906 * @driver_data: Sideband data provided back to the driver
908 struct acpi_probe_entry {
909 __u8 id[ACPI_TABLE_ID_LEN];
911 acpi_probe_entry_validate_subtbl subtable_valid;
913 acpi_tbl_table_handler probe_table;
914 acpi_tbl_entry_handler probe_subtbl;
916 kernel_ulong_t driver_data;
919 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
920 static const struct acpi_probe_entry __acpi_probe_##name \
921 __used __section(__##table##_acpi_probe_table) \
925 .subtable_valid = valid, \
926 .probe_table = (acpi_tbl_table_handler)fn, \
927 .driver_data = data, \
930 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
931 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
933 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
935 #define acpi_probe_device_table(t) \
937 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
938 ACPI_PROBE_TABLE_END(t); \
939 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
940 (&ACPI_PROBE_TABLE_END(t) - \
941 &ACPI_PROBE_TABLE(t))); \
944 static inline int acpi_dev_get_property(struct acpi_device *adev,
945 const char *name, acpi_object_type type,
946 const union acpi_object **obj)
951 static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
952 const char *name, size_t index,
953 struct acpi_reference_args *args)
958 static inline int acpi_node_prop_get(struct fwnode_handle *fwnode,
959 const char *propname,
965 static inline int acpi_dev_prop_get(struct acpi_device *adev,
966 const char *propname,
972 static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
973 const char *propname,
974 enum dev_prop_type proptype,
980 static inline int acpi_node_prop_read(struct fwnode_handle *fwnode,
981 const char *propname,
982 enum dev_prop_type proptype,
983 void *val, size_t nval)
988 static inline int acpi_dev_prop_read(struct acpi_device *adev,
989 const char *propname,
990 enum dev_prop_type proptype,
991 void *val, size_t nval)
996 static inline struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
997 struct fwnode_handle *subnode)
1002 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, validate, data, fn) \
1003 static const void * __acpi_table_##name[] \
1004 __attribute__((unused)) \
1005 = { (void *) table_id, \
1006 (void *) subtable, \
1011 #define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1014 #endif /*_LINUX_ACPI_H*/