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21#ifndef _LINUX_ACPI_H
22#define _LINUX_ACPI_H
23
24#include <linux/errno.h>
25#include <linux/ioport.h>
26#include <linux/resource_ext.h>
27#include <linux/device.h>
28#include <linux/property.h>
29
30#ifndef _LINUX
31#define _LINUX
32#endif
33#include <acpi/acpi.h>
34
35#ifdef CONFIG_ACPI
36
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>
42
43#include <acpi/acpi_bus.h>
44#include <acpi/acpi_drivers.h>
45#include <acpi/acpi_numa.h>
46#include <acpi/acpi_io.h>
47#include <asm/acpi.h>
48
49static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
50{
51 return adev ? adev->handle : NULL;
52}
53
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))
58
59
60
61
62
63
64
65
66
67
68
69
70#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk),
71
72static inline bool has_acpi_companion(struct device *dev)
73{
74 return is_acpi_device_node(dev->fwnode);
75}
76
77static inline void acpi_preset_companion(struct device *dev,
78 struct acpi_device *parent, u64 addr)
79{
80 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
81}
82
83static inline const char *acpi_dev_name(struct acpi_device *adev)
84{
85 return dev_name(&adev->dev);
86}
87
88struct device *acpi_get_first_physical_node(struct acpi_device *adev);
89
90enum acpi_irq_model_id {
91 ACPI_IRQ_MODEL_PIC = 0,
92 ACPI_IRQ_MODEL_IOAPIC,
93 ACPI_IRQ_MODEL_IOSAPIC,
94 ACPI_IRQ_MODEL_PLATFORM,
95 ACPI_IRQ_MODEL_GIC,
96 ACPI_IRQ_MODEL_COUNT
97};
98
99extern enum acpi_irq_model_id acpi_irq_model;
100
101enum acpi_interrupt_id {
102 ACPI_INTERRUPT_PMI = 1,
103 ACPI_INTERRUPT_INIT,
104 ACPI_INTERRUPT_CPEI,
105 ACPI_INTERRUPT_COUNT
106};
107
108#define ACPI_SPACE_MEM 0
109
110enum acpi_address_range_id {
111 ACPI_ADDRESS_RANGE_MEMORY = 1,
112 ACPI_ADDRESS_RANGE_RESERVED = 2,
113 ACPI_ADDRESS_RANGE_ACPI = 3,
114 ACPI_ADDRESS_RANGE_NVS = 4,
115 ACPI_ADDRESS_RANGE_COUNT
116};
117
118
119
120
121typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
122
123typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
124 const unsigned long end);
125
126
127
128struct acpi_debugger_ops {
129 int (*create_thread)(acpi_osd_exec_callback function, void *context);
130 ssize_t (*write_log)(const char *msg);
131 ssize_t (*read_cmd)(char *buffer, size_t length);
132 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
133 int (*notify_command_complete)(void);
134};
135
136struct acpi_debugger {
137 const struct acpi_debugger_ops *ops;
138 struct module *owner;
139 struct mutex lock;
140};
141
142#ifdef CONFIG_ACPI_DEBUGGER
143int __init acpi_debugger_init(void);
144int acpi_register_debugger(struct module *owner,
145 const struct acpi_debugger_ops *ops);
146void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
147int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
148ssize_t acpi_debugger_write_log(const char *msg);
149ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
150int acpi_debugger_wait_command_ready(void);
151int acpi_debugger_notify_command_complete(void);
152#else
153static inline int acpi_debugger_init(void)
154{
155 return -ENODEV;
156}
157
158static inline int acpi_register_debugger(struct module *owner,
159 const struct acpi_debugger_ops *ops)
160{
161 return -ENODEV;
162}
163
164static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
165{
166}
167
168static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
169 void *context)
170{
171 return -ENODEV;
172}
173
174static inline int acpi_debugger_write_log(const char *msg)
175{
176 return -ENODEV;
177}
178
179static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
180{
181 return -ENODEV;
182}
183
184static inline int acpi_debugger_wait_command_ready(void)
185{
186 return -ENODEV;
187}
188
189static inline int acpi_debugger_notify_command_complete(void)
190{
191 return -ENODEV;
192}
193#endif
194
195#define BAD_MADT_ENTRY(entry, end) ( \
196 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
197 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
198
199struct acpi_subtable_proc {
200 int id;
201 acpi_tbl_entry_handler handler;
202 int count;
203};
204
205char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
206void __acpi_unmap_table(char *map, unsigned long size);
207int early_acpi_boot_init(void);
208int acpi_boot_init (void);
209void acpi_boot_table_init (void);
210int acpi_mps_check (void);
211int acpi_numa_init (void);
212
213int acpi_table_init (void);
214int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
215int __init acpi_parse_entries(char *id, unsigned long table_size,
216 acpi_tbl_entry_handler handler,
217 struct acpi_table_header *table_header,
218 int entry_id, unsigned int max_entries);
219int __init acpi_table_parse_entries(char *id, unsigned long table_size,
220 int entry_id,
221 acpi_tbl_entry_handler handler,
222 unsigned int max_entries);
223int __init acpi_table_parse_entries(char *id, unsigned long table_size,
224 int entry_id,
225 acpi_tbl_entry_handler handler,
226 unsigned int max_entries);
227int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
228 struct acpi_subtable_proc *proc, int proc_num,
229 unsigned int max_entries);
230int acpi_table_parse_madt(enum acpi_madt_type id,
231 acpi_tbl_entry_handler handler,
232 unsigned int max_entries);
233int acpi_parse_mcfg (struct acpi_table_header *header);
234void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
235
236
237void acpi_numa_slit_init (struct acpi_table_slit *slit);
238
239#if defined(CONFIG_X86) || defined(CONFIG_IA64)
240void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
241#else
242static inline void
243acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
244#endif
245
246void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
247
248#ifdef CONFIG_ARM64
249void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
250#else
251static inline void
252acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
253#endif
254
255int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
256
257#ifndef PHYS_CPUID_INVALID
258typedef u32 phys_cpuid_t;
259#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
260#endif
261
262static inline bool invalid_logical_cpuid(u32 cpuid)
263{
264 return (int)cpuid < 0;
265}
266
267static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
268{
269 return phys_id == PHYS_CPUID_INVALID;
270}
271
272
273bool acpi_processor_validate_proc_id(int proc_id);
274
275#ifdef CONFIG_ACPI_HOTPLUG_CPU
276
277int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu);
278int acpi_unmap_cpu(int cpu);
279int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid);
280#endif
281
282void acpi_set_processor_mapping(void);
283
284#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
285int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
286#endif
287
288int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
289int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
290int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
291void acpi_irq_stats_init(void);
292extern u32 acpi_irq_handled;
293extern u32 acpi_irq_not_handled;
294extern unsigned int acpi_sci_irq;
295extern bool acpi_no_s5;
296#define INVALID_ACPI_IRQ ((unsigned)-1)
297static inline bool acpi_sci_irq_valid(void)
298{
299 return acpi_sci_irq != INVALID_ACPI_IRQ;
300}
301
302extern int sbf_port;
303extern unsigned long acpi_realmode_flags;
304
305int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
306int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
307int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
308
309void acpi_set_irq_model(enum acpi_irq_model_id model,
310 struct fwnode_handle *fwnode);
311
312#ifdef CONFIG_X86_IO_APIC
313extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
314#else
315#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
316#endif
317
318
319
320
321
322void acpi_unregister_gsi (u32 gsi);
323
324struct pci_dev;
325
326int acpi_pci_irq_enable (struct pci_dev *dev);
327void acpi_penalize_isa_irq(int irq, int active);
328bool acpi_isa_irq_available(int irq);
329void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
330void acpi_pci_irq_disable (struct pci_dev *dev);
331
332extern int ec_read(u8 addr, u8 *val);
333extern int ec_write(u8 addr, u8 val);
334extern int ec_transaction(u8 command,
335 const u8 *wdata, unsigned wdata_len,
336 u8 *rdata, unsigned rdata_len);
337extern acpi_handle ec_get_handle(void);
338
339extern bool acpi_is_pnp_device(struct acpi_device *);
340
341#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
342
343typedef void (*wmi_notify_handler) (u32 value, void *context);
344
345extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
346 u32 method_id,
347 const struct acpi_buffer *in,
348 struct acpi_buffer *out);
349extern acpi_status wmi_query_block(const char *guid, u8 instance,
350 struct acpi_buffer *out);
351extern acpi_status wmi_set_block(const char *guid, u8 instance,
352 const struct acpi_buffer *in);
353extern acpi_status wmi_install_notify_handler(const char *guid,
354 wmi_notify_handler handler, void *data);
355extern acpi_status wmi_remove_notify_handler(const char *guid);
356extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
357extern bool wmi_has_guid(const char *guid);
358
359#endif
360
361#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
362#define ACPI_VIDEO_DEVICE_POSTING 0x0002
363#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
364#define ACPI_VIDEO_BACKLIGHT 0x0008
365#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
366#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
367#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
368#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
369#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
370#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
371#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
372#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
373
374extern char acpi_video_backlight_string[];
375extern long acpi_is_video_device(acpi_handle handle);
376extern int acpi_blacklisted(void);
377extern void acpi_osi_setup(char *str);
378extern bool acpi_osi_is_win8(void);
379
380#ifdef CONFIG_ACPI_NUMA
381int acpi_map_pxm_to_online_node(int pxm);
382int acpi_get_node(acpi_handle handle);
383#else
384static inline int acpi_map_pxm_to_online_node(int pxm)
385{
386 return 0;
387}
388static inline int acpi_get_node(acpi_handle handle)
389{
390 return 0;
391}
392#endif
393extern int acpi_paddr_to_node(u64 start_addr, u64 size);
394
395extern int pnpacpi_disabled;
396
397#define PXM_INVAL (-1)
398
399bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
400bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
401bool acpi_dev_resource_address_space(struct acpi_resource *ares,
402 struct resource_win *win);
403bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
404 struct resource_win *win);
405unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
406unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
407bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
408 struct resource *res);
409
410void acpi_dev_free_resource_list(struct list_head *list);
411int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
412 int (*preproc)(struct acpi_resource *, void *),
413 void *preproc_data);
414int acpi_dev_filter_resource_type(struct acpi_resource *ares,
415 unsigned long types);
416
417static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
418 void *arg)
419{
420 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
421}
422
423int acpi_check_resource_conflict(const struct resource *res);
424
425int acpi_check_region(resource_size_t start, resource_size_t n,
426 const char *name);
427
428int acpi_resources_are_enforced(void);
429
430#ifdef CONFIG_HIBERNATION
431void __init acpi_no_s4_hw_signature(void);
432#endif
433
434#ifdef CONFIG_PM_SLEEP
435void __init acpi_old_suspend_ordering(void);
436void __init acpi_nvs_nosave(void);
437void __init acpi_nvs_nosave_s3(void);
438#endif
439
440struct acpi_osc_context {
441 char *uuid_str;
442 int rev;
443 struct acpi_buffer cap;
444 struct acpi_buffer ret;
445};
446
447acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
448acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
449
450
451#define OSC_QUERY_DWORD 0
452#define OSC_SUPPORT_DWORD 1
453#define OSC_CONTROL_DWORD 2
454
455
456#define OSC_QUERY_ENABLE 0x00000001
457#define OSC_REQUEST_ERROR 0x00000002
458#define OSC_INVALID_UUID_ERROR 0x00000004
459#define OSC_INVALID_REVISION_ERROR 0x00000008
460#define OSC_CAPABILITIES_MASK_ERROR 0x00000010
461
462
463#define OSC_SB_PAD_SUPPORT 0x00000001
464#define OSC_SB_PPC_OST_SUPPORT 0x00000002
465#define OSC_SB_PR3_SUPPORT 0x00000004
466#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
467#define OSC_SB_APEI_SUPPORT 0x00000010
468#define OSC_SB_CPC_SUPPORT 0x00000020
469#define OSC_SB_CPCV2_SUPPORT 0x00000040
470#define OSC_SB_PCLPI_SUPPORT 0x00000080
471#define OSC_SB_OSLPI_SUPPORT 0x00000100
472
473extern bool osc_sb_apei_support_acked;
474extern bool osc_pc_lpi_support_confirmed;
475
476
477#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
478#define OSC_PCI_ASPM_SUPPORT 0x00000002
479#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
480#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
481#define OSC_PCI_MSI_SUPPORT 0x00000010
482#define OSC_PCI_SUPPORT_MASKS 0x0000001f
483
484
485#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
486#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
487#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
488#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
489#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
490#define OSC_PCI_CONTROL_MASKS 0x0000001f
491
492#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
493#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
494#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
495#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
496#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
497#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
498#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
499#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
500#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
501#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
502
503extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
504 u32 *mask, u32 req);
505
506
507#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
508 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
509 defined(CONFIG_ACPI_CONTAINER)
510#define ACPI_HOTPLUG_OST
511#endif
512
513
514#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
515#define ACPI_OST_EC_OSPM_EJECT 0x103
516#define ACPI_OST_EC_OSPM_INSERTION 0x200
517
518
519#define ACPI_OST_SC_SUCCESS 0x0
520#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
521#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
522
523
524#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
525#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
526#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
527#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
528
529
530#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
531#define ACPI_OST_SC_DEVICE_IN_USE 0x81
532#define ACPI_OST_SC_DEVICE_BUSY 0x82
533#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
534#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
535
536
537#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
538#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
539#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
540
541extern void acpi_early_init(void);
542extern void acpi_subsystem_init(void);
543
544extern int acpi_nvs_register(__u64 start, __u64 size);
545
546extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
547 void *data);
548
549const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
550 const struct device *dev);
551
552extern bool acpi_driver_match_device(struct device *dev,
553 const struct device_driver *drv);
554int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
555int acpi_device_modalias(struct device *, char *, int);
556void acpi_walk_dep_device_list(acpi_handle handle);
557
558struct platform_device *acpi_create_platform_device(struct acpi_device *,
559 struct property_entry *);
560#define ACPI_PTR(_ptr) (_ptr)
561
562static inline void acpi_device_set_enumerated(struct acpi_device *adev)
563{
564 adev->flags.visited = true;
565}
566
567static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
568{
569 adev->flags.visited = false;
570}
571
572enum acpi_reconfig_event {
573 ACPI_RECONFIG_DEVICE_ADD = 0,
574 ACPI_RECONFIG_DEVICE_REMOVE,
575};
576
577int acpi_reconfig_notifier_register(struct notifier_block *nb);
578int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
579
580#else
581
582#define acpi_disabled 1
583
584#define ACPI_COMPANION(dev) (NULL)
585#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
586#define ACPI_HANDLE(dev) (NULL)
587#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
588
589struct fwnode_handle;
590
591static inline bool acpi_dev_found(const char *hid)
592{
593 return false;
594}
595
596static inline bool is_acpi_node(struct fwnode_handle *fwnode)
597{
598 return false;
599}
600
601static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
602{
603 return false;
604}
605
606static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
607{
608 return NULL;
609}
610
611static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
612{
613 return false;
614}
615
616static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
617{
618 return NULL;
619}
620
621static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
622 const char *name)
623{
624 return false;
625}
626
627static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
628{
629 return NULL;
630}
631
632static inline bool has_acpi_companion(struct device *dev)
633{
634 return false;
635}
636
637static inline void acpi_preset_companion(struct device *dev,
638 struct acpi_device *parent, u64 addr)
639{
640}
641
642static inline const char *acpi_dev_name(struct acpi_device *adev)
643{
644 return NULL;
645}
646
647static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
648{
649 return NULL;
650}
651
652static inline void acpi_early_init(void) { }
653static inline void acpi_subsystem_init(void) { }
654
655static inline int early_acpi_boot_init(void)
656{
657 return 0;
658}
659static inline int acpi_boot_init(void)
660{
661 return 0;
662}
663
664static inline void acpi_boot_table_init(void)
665{
666 return;
667}
668
669static inline int acpi_mps_check(void)
670{
671 return 0;
672}
673
674static inline int acpi_check_resource_conflict(struct resource *res)
675{
676 return 0;
677}
678
679static inline int acpi_check_region(resource_size_t start, resource_size_t n,
680 const char *name)
681{
682 return 0;
683}
684
685struct acpi_table_header;
686static inline int acpi_table_parse(char *id,
687 int (*handler)(struct acpi_table_header *))
688{
689 return -ENODEV;
690}
691
692static inline int acpi_nvs_register(__u64 start, __u64 size)
693{
694 return 0;
695}
696
697static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
698 void *data)
699{
700 return 0;
701}
702
703struct acpi_device_id;
704
705static inline const struct acpi_device_id *acpi_match_device(
706 const struct acpi_device_id *ids, const struct device *dev)
707{
708 return NULL;
709}
710
711static inline bool acpi_driver_match_device(struct device *dev,
712 const struct device_driver *drv)
713{
714 return false;
715}
716
717static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
718 const u8 *uuid,
719 int rev, int func,
720 union acpi_object *argv4)
721{
722 return NULL;
723}
724
725static inline int acpi_device_uevent_modalias(struct device *dev,
726 struct kobj_uevent_env *env)
727{
728 return -ENODEV;
729}
730
731static inline int acpi_device_modalias(struct device *dev,
732 char *buf, int size)
733{
734 return -ENODEV;
735}
736
737static inline bool acpi_dma_supported(struct acpi_device *adev)
738{
739 return false;
740}
741
742static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
743{
744 return DEV_DMA_NOT_SUPPORTED;
745}
746
747#define ACPI_PTR(_ptr) (NULL)
748
749static inline void acpi_device_set_enumerated(struct acpi_device *adev)
750{
751}
752
753static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
754{
755}
756
757static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
758{
759 return -EINVAL;
760}
761
762static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
763{
764 return -EINVAL;
765}
766
767#endif
768
769#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
770int acpi_ioapic_add(acpi_handle root);
771#else
772static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
773#endif
774
775#ifdef CONFIG_ACPI
776void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
777 u32 pm1a_ctrl, u32 pm1b_ctrl));
778
779acpi_status acpi_os_prepare_sleep(u8 sleep_state,
780 u32 pm1a_control, u32 pm1b_control);
781
782void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
783 u32 val_a, u32 val_b));
784
785acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
786 u32 val_a, u32 val_b);
787
788#ifdef CONFIG_X86
789void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
790#else
791static inline void arch_reserve_mem_area(acpi_physical_address addr,
792 size_t size)
793{
794}
795#endif
796#else
797#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
798#endif
799
800#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
801int acpi_dev_runtime_suspend(struct device *dev);
802int acpi_dev_runtime_resume(struct device *dev);
803int acpi_subsys_runtime_suspend(struct device *dev);
804int acpi_subsys_runtime_resume(struct device *dev);
805struct acpi_device *acpi_dev_pm_get_node(struct device *dev);
806int acpi_dev_pm_attach(struct device *dev, bool power_on);
807#else
808static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
809static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
810static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
811static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
812static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
813{
814 return NULL;
815}
816static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
817{
818 return -ENODEV;
819}
820#endif
821
822#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
823int acpi_dev_suspend_late(struct device *dev);
824int acpi_dev_resume_early(struct device *dev);
825int acpi_subsys_prepare(struct device *dev);
826void acpi_subsys_complete(struct device *dev);
827int acpi_subsys_suspend_late(struct device *dev);
828int acpi_subsys_resume_early(struct device *dev);
829int acpi_subsys_suspend(struct device *dev);
830int acpi_subsys_freeze(struct device *dev);
831#else
832static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
833static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
834static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
835static inline void acpi_subsys_complete(struct device *dev) {}
836static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
837static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
838static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
839static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
840#endif
841
842#ifdef CONFIG_ACPI
843__printf(3, 4)
844void acpi_handle_printk(const char *level, acpi_handle handle,
845 const char *fmt, ...);
846#else
847static inline __printf(3, 4) void
848acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
849#endif
850
851#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
852__printf(3, 4)
853void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
854#else
855#define __acpi_handle_debug(descriptor, handle, fmt, ...) \
856 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
857#endif
858
859
860
861
862
863
864
865#define acpi_handle_emerg(handle, fmt, ...) \
866 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
867#define acpi_handle_alert(handle, fmt, ...) \
868 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
869#define acpi_handle_crit(handle, fmt, ...) \
870 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
871#define acpi_handle_err(handle, fmt, ...) \
872 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
873#define acpi_handle_warn(handle, fmt, ...) \
874 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
875#define acpi_handle_notice(handle, fmt, ...) \
876 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
877#define acpi_handle_info(handle, fmt, ...) \
878 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
879
880#if defined(DEBUG)
881#define acpi_handle_debug(handle, fmt, ...) \
882 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
883#else
884#if defined(CONFIG_DYNAMIC_DEBUG)
885#define acpi_handle_debug(handle, fmt, ...) \
886do { \
887 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
888 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
889 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
890 ##__VA_ARGS__); \
891} while (0)
892#else
893#define acpi_handle_debug(handle, fmt, ...) \
894({ \
895 if (0) \
896 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
897 0; \
898})
899#endif
900#endif
901
902struct acpi_gpio_params {
903 unsigned int crs_entry_index;
904 unsigned int line_index;
905 bool active_low;
906};
907
908struct acpi_gpio_mapping {
909 const char *name;
910 const struct acpi_gpio_params *data;
911 unsigned int size;
912};
913
914#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
915int acpi_dev_add_driver_gpios(struct acpi_device *adev,
916 const struct acpi_gpio_mapping *gpios);
917
918static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
919{
920 if (adev)
921 adev->driver_gpios = NULL;
922}
923
924int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
925#else
926static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
927 const struct acpi_gpio_mapping *gpios)
928{
929 return -ENXIO;
930}
931static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
932
933static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
934{
935 return -ENXIO;
936}
937#endif
938
939
940
941#define MAX_ACPI_REFERENCE_ARGS 8
942struct acpi_reference_args {
943 struct acpi_device *adev;
944 size_t nargs;
945 u64 args[MAX_ACPI_REFERENCE_ARGS];
946};
947
948#ifdef CONFIG_ACPI
949int acpi_dev_get_property(struct acpi_device *adev, const char *name,
950 acpi_object_type type, const union acpi_object **obj);
951int __acpi_node_get_property_reference(struct fwnode_handle *fwnode,
952 const char *name, size_t index, size_t num_args,
953 struct acpi_reference_args *args);
954
955static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
956 const char *name, size_t index,
957 struct acpi_reference_args *args)
958{
959 return __acpi_node_get_property_reference(fwnode, name, index,
960 MAX_ACPI_REFERENCE_ARGS, args);
961}
962
963int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname,
964 void **valptr);
965int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
966 enum dev_prop_type proptype, void *val);
967int acpi_node_prop_read(struct fwnode_handle *fwnode, const char *propname,
968 enum dev_prop_type proptype, void *val, size_t nval);
969int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
970 enum dev_prop_type proptype, void *val, size_t nval);
971
972struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
973 struct fwnode_handle *subnode);
974
975struct acpi_probe_entry;
976typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
977 struct acpi_probe_entry *);
978
979#define ACPI_TABLE_ID_LEN 5
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994struct acpi_probe_entry {
995 __u8 id[ACPI_TABLE_ID_LEN];
996 __u8 type;
997 acpi_probe_entry_validate_subtbl subtable_valid;
998 union {
999 acpi_tbl_table_handler probe_table;
1000 acpi_tbl_entry_handler probe_subtbl;
1001 };
1002 kernel_ulong_t driver_data;
1003};
1004
1005#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1006 static const struct acpi_probe_entry __acpi_probe_##name \
1007 __used __section(__##table##_acpi_probe_table) \
1008 = { \
1009 .id = table_id, \
1010 .type = subtable, \
1011 .subtable_valid = valid, \
1012 .probe_table = (acpi_tbl_table_handler)fn, \
1013 .driver_data = data, \
1014 }
1015
1016#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1017#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1018
1019int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1020
1021#define acpi_probe_device_table(t) \
1022 ({ \
1023 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1024 ACPI_PROBE_TABLE_END(t); \
1025 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1026 (&ACPI_PROBE_TABLE_END(t) - \
1027 &ACPI_PROBE_TABLE(t))); \
1028 })
1029#else
1030static inline int acpi_dev_get_property(struct acpi_device *adev,
1031 const char *name, acpi_object_type type,
1032 const union acpi_object **obj)
1033{
1034 return -ENXIO;
1035}
1036
1037static inline int
1038__acpi_node_get_property_reference(struct fwnode_handle *fwnode,
1039 const char *name, size_t index, size_t num_args,
1040 struct acpi_reference_args *args)
1041{
1042 return -ENXIO;
1043}
1044
1045static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
1046 const char *name, size_t index,
1047 struct acpi_reference_args *args)
1048{
1049 return -ENXIO;
1050}
1051
1052static inline int acpi_node_prop_get(struct fwnode_handle *fwnode,
1053 const char *propname,
1054 void **valptr)
1055{
1056 return -ENXIO;
1057}
1058
1059static inline int acpi_dev_prop_get(struct acpi_device *adev,
1060 const char *propname,
1061 void **valptr)
1062{
1063 return -ENXIO;
1064}
1065
1066static inline int acpi_dev_prop_read_single(struct acpi_device *adev,
1067 const char *propname,
1068 enum dev_prop_type proptype,
1069 void *val)
1070{
1071 return -ENXIO;
1072}
1073
1074static inline int acpi_node_prop_read(struct fwnode_handle *fwnode,
1075 const char *propname,
1076 enum dev_prop_type proptype,
1077 void *val, size_t nval)
1078{
1079 return -ENXIO;
1080}
1081
1082static inline int acpi_dev_prop_read(struct acpi_device *adev,
1083 const char *propname,
1084 enum dev_prop_type proptype,
1085 void *val, size_t nval)
1086{
1087 return -ENXIO;
1088}
1089
1090static inline struct fwnode_handle *acpi_get_next_subnode(struct device *dev,
1091 struct fwnode_handle *subnode)
1092{
1093 return NULL;
1094}
1095
1096#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1097 static const void * __acpi_table_##name[] \
1098 __attribute__((unused)) \
1099 = { (void *) table_id, \
1100 (void *) subtable, \
1101 (void *) valid, \
1102 (void *) fn, \
1103 (void *) data }
1104
1105#define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1106#endif
1107
1108#ifdef CONFIG_ACPI_TABLE_UPGRADE
1109void acpi_table_upgrade(void);
1110#else
1111static inline void acpi_table_upgrade(void) { }
1112#endif
1113
1114#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1115extern bool acpi_has_watchdog(void);
1116#else
1117static inline bool acpi_has_watchdog(void) { return false; }
1118#endif
1119
1120#ifdef CONFIG_ACPI_SPCR_TABLE
1121int parse_spcr(bool earlycon);
1122#else
1123static inline int parse_spcr(bool earlycon) { return 0; }
1124#endif
1125
1126#endif
1127
