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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#include <linux/uuid.h>
30
31#ifndef _LINUX
32#define _LINUX
33#endif
34#include <acpi/acpi.h>
35
36#ifdef CONFIG_ACPI
37
38#include <linux/list.h>
39#include <linux/mod_devicetable.h>
40#include <linux/dynamic_debug.h>
41#include <linux/module.h>
42#include <linux/mutex.h>
43
44#include <acpi/acpi_bus.h>
45#include <acpi/acpi_drivers.h>
46#include <acpi/acpi_numa.h>
47#include <acpi/acpi_io.h>
48#include <asm/acpi.h>
49
50static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
51{
52 return adev ? adev->handle : NULL;
53}
54
55#define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
56#define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
57 acpi_fwnode_handle(adev) : NULL)
58#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
59#define ACPI_HANDLE_FWNODE(fwnode) \
60 acpi_device_handle(to_acpi_device_node(fwnode))
61
62static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
63{
64 struct fwnode_handle *fwnode;
65
66 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
67 if (!fwnode)
68 return NULL;
69
70 fwnode->ops = &acpi_static_fwnode_ops;
71
72 return fwnode;
73}
74
75static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
76{
77 if (WARN_ON(!is_acpi_static_node(fwnode)))
78 return;
79
80 kfree(fwnode);
81}
82
83
84
85
86
87
88
89
90
91
92
93
94#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk),
95
96static inline bool has_acpi_companion(struct device *dev)
97{
98 return is_acpi_device_node(dev->fwnode);
99}
100
101static inline void acpi_preset_companion(struct device *dev,
102 struct acpi_device *parent, u64 addr)
103{
104 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
105}
106
107static inline const char *acpi_dev_name(struct acpi_device *adev)
108{
109 return dev_name(&adev->dev);
110}
111
112struct device *acpi_get_first_physical_node(struct acpi_device *adev);
113
114enum acpi_irq_model_id {
115 ACPI_IRQ_MODEL_PIC = 0,
116 ACPI_IRQ_MODEL_IOAPIC,
117 ACPI_IRQ_MODEL_IOSAPIC,
118 ACPI_IRQ_MODEL_PLATFORM,
119 ACPI_IRQ_MODEL_GIC,
120 ACPI_IRQ_MODEL_COUNT
121};
122
123extern enum acpi_irq_model_id acpi_irq_model;
124
125enum acpi_interrupt_id {
126 ACPI_INTERRUPT_PMI = 1,
127 ACPI_INTERRUPT_INIT,
128 ACPI_INTERRUPT_CPEI,
129 ACPI_INTERRUPT_COUNT
130};
131
132#define ACPI_SPACE_MEM 0
133
134enum acpi_address_range_id {
135 ACPI_ADDRESS_RANGE_MEMORY = 1,
136 ACPI_ADDRESS_RANGE_RESERVED = 2,
137 ACPI_ADDRESS_RANGE_ACPI = 3,
138 ACPI_ADDRESS_RANGE_NVS = 4,
139 ACPI_ADDRESS_RANGE_COUNT
140};
141
142
143
144
145typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
146
147typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header,
148 const unsigned long end);
149
150
151
152struct acpi_debugger_ops {
153 int (*create_thread)(acpi_osd_exec_callback function, void *context);
154 ssize_t (*write_log)(const char *msg);
155 ssize_t (*read_cmd)(char *buffer, size_t length);
156 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
157 int (*notify_command_complete)(void);
158};
159
160struct acpi_debugger {
161 const struct acpi_debugger_ops *ops;
162 struct module *owner;
163 struct mutex lock;
164};
165
166#ifdef CONFIG_ACPI_DEBUGGER
167int __init acpi_debugger_init(void);
168int acpi_register_debugger(struct module *owner,
169 const struct acpi_debugger_ops *ops);
170void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
171int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
172ssize_t acpi_debugger_write_log(const char *msg);
173ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
174int acpi_debugger_wait_command_ready(void);
175int acpi_debugger_notify_command_complete(void);
176#else
177static inline int acpi_debugger_init(void)
178{
179 return -ENODEV;
180}
181
182static inline int acpi_register_debugger(struct module *owner,
183 const struct acpi_debugger_ops *ops)
184{
185 return -ENODEV;
186}
187
188static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
189{
190}
191
192static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
193 void *context)
194{
195 return -ENODEV;
196}
197
198static inline int acpi_debugger_write_log(const char *msg)
199{
200 return -ENODEV;
201}
202
203static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
204{
205 return -ENODEV;
206}
207
208static inline int acpi_debugger_wait_command_ready(void)
209{
210 return -ENODEV;
211}
212
213static inline int acpi_debugger_notify_command_complete(void)
214{
215 return -ENODEV;
216}
217#endif
218
219#define BAD_MADT_ENTRY(entry, end) ( \
220 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
221 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
222
223struct acpi_subtable_proc {
224 int id;
225 acpi_tbl_entry_handler handler;
226 int count;
227};
228
229void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
230void __acpi_unmap_table(void __iomem *map, unsigned long size);
231int early_acpi_boot_init(void);
232int acpi_boot_init (void);
233void acpi_boot_table_init (void);
234int acpi_mps_check (void);
235int acpi_numa_init (void);
236
237int acpi_table_init (void);
238int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
239int __init acpi_table_parse_entries(char *id, unsigned long table_size,
240 int entry_id,
241 acpi_tbl_entry_handler handler,
242 unsigned int max_entries);
243int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
244 struct acpi_subtable_proc *proc, int proc_num,
245 unsigned int max_entries);
246int acpi_table_parse_madt(enum acpi_madt_type id,
247 acpi_tbl_entry_handler handler,
248 unsigned int max_entries);
249int acpi_parse_mcfg (struct acpi_table_header *header);
250void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
251
252
253void acpi_numa_slit_init (struct acpi_table_slit *slit);
254
255#if defined(CONFIG_X86) || defined(CONFIG_IA64)
256void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
257#else
258static inline void
259acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
260#endif
261
262void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
263
264#ifdef CONFIG_ARM64
265void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
266#else
267static inline void
268acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
269#endif
270
271int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
272
273#ifndef PHYS_CPUID_INVALID
274typedef u32 phys_cpuid_t;
275#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
276#endif
277
278static inline bool invalid_logical_cpuid(u32 cpuid)
279{
280 return (int)cpuid < 0;
281}
282
283static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
284{
285 return phys_id == PHYS_CPUID_INVALID;
286}
287
288
289bool acpi_duplicate_processor_id(int proc_id);
290
291#ifdef CONFIG_ACPI_HOTPLUG_CPU
292
293int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
294 int *pcpu);
295int acpi_unmap_cpu(int cpu);
296#endif
297
298#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
299int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
300#endif
301
302int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
303int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
304int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
305void acpi_irq_stats_init(void);
306extern u32 acpi_irq_handled;
307extern u32 acpi_irq_not_handled;
308extern unsigned int acpi_sci_irq;
309extern bool acpi_no_s5;
310#define INVALID_ACPI_IRQ ((unsigned)-1)
311static inline bool acpi_sci_irq_valid(void)
312{
313 return acpi_sci_irq != INVALID_ACPI_IRQ;
314}
315
316extern int sbf_port;
317extern unsigned long acpi_realmode_flags;
318
319int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
320int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
321int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
322
323void acpi_set_irq_model(enum acpi_irq_model_id model,
324 struct fwnode_handle *fwnode);
325
326#ifdef CONFIG_X86_IO_APIC
327extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
328#else
329#define acpi_get_override_irq(gsi, trigger, polarity) (-1)
330#endif
331
332
333
334
335
336void acpi_unregister_gsi (u32 gsi);
337
338struct pci_dev;
339
340int acpi_pci_irq_enable (struct pci_dev *dev);
341void acpi_penalize_isa_irq(int irq, int active);
342bool acpi_isa_irq_available(int irq);
343void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
344void acpi_pci_irq_disable (struct pci_dev *dev);
345
346extern int ec_read(u8 addr, u8 *val);
347extern int ec_write(u8 addr, u8 val);
348extern int ec_transaction(u8 command,
349 const u8 *wdata, unsigned wdata_len,
350 u8 *rdata, unsigned rdata_len);
351extern acpi_handle ec_get_handle(void);
352
353extern bool acpi_is_pnp_device(struct acpi_device *);
354
355#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
356
357typedef void (*wmi_notify_handler) (u32 value, void *context);
358
359extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
360 u32 method_id,
361 const struct acpi_buffer *in,
362 struct acpi_buffer *out);
363extern acpi_status wmi_query_block(const char *guid, u8 instance,
364 struct acpi_buffer *out);
365extern acpi_status wmi_set_block(const char *guid, u8 instance,
366 const struct acpi_buffer *in);
367extern acpi_status wmi_install_notify_handler(const char *guid,
368 wmi_notify_handler handler, void *data);
369extern acpi_status wmi_remove_notify_handler(const char *guid);
370extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
371extern bool wmi_has_guid(const char *guid);
372
373#endif
374
375#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
376#define ACPI_VIDEO_DEVICE_POSTING 0x0002
377#define ACPI_VIDEO_ROM_AVAILABLE 0x0004
378#define ACPI_VIDEO_BACKLIGHT 0x0008
379#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
380#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
381#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
382#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
383#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
384#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
385#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
386#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
387
388extern char acpi_video_backlight_string[];
389extern long acpi_is_video_device(acpi_handle handle);
390extern int acpi_blacklisted(void);
391extern void acpi_osi_setup(char *str);
392extern bool acpi_osi_is_win8(void);
393
394#ifdef CONFIG_ACPI_NUMA
395int acpi_map_pxm_to_online_node(int pxm);
396int acpi_get_node(acpi_handle handle);
397#else
398static inline int acpi_map_pxm_to_online_node(int pxm)
399{
400 return 0;
401}
402static inline int acpi_get_node(acpi_handle handle)
403{
404 return 0;
405}
406#endif
407extern int acpi_paddr_to_node(u64 start_addr, u64 size);
408
409extern int pnpacpi_disabled;
410
411#define PXM_INVAL (-1)
412
413bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
414bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
415bool acpi_dev_resource_address_space(struct acpi_resource *ares,
416 struct resource_win *win);
417bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
418 struct resource_win *win);
419unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
420unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
421bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
422 struct resource *res);
423
424void acpi_dev_free_resource_list(struct list_head *list);
425int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
426 int (*preproc)(struct acpi_resource *, void *),
427 void *preproc_data);
428int acpi_dev_get_dma_resources(struct acpi_device *adev,
429 struct list_head *list);
430int acpi_dev_filter_resource_type(struct acpi_resource *ares,
431 unsigned long types);
432
433static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
434 void *arg)
435{
436 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
437}
438
439struct acpi_device *acpi_resource_consumer(struct resource *res);
440
441int acpi_check_resource_conflict(const struct resource *res);
442
443int acpi_check_region(resource_size_t start, resource_size_t n,
444 const char *name);
445
446int acpi_resources_are_enforced(void);
447
448#ifdef CONFIG_HIBERNATION
449void __init acpi_no_s4_hw_signature(void);
450#endif
451
452#ifdef CONFIG_PM_SLEEP
453void __init acpi_old_suspend_ordering(void);
454void __init acpi_nvs_nosave(void);
455void __init acpi_nvs_nosave_s3(void);
456void __init acpi_sleep_no_blacklist(void);
457#endif
458
459struct acpi_osc_context {
460 char *uuid_str;
461 int rev;
462 struct acpi_buffer cap;
463 struct acpi_buffer ret;
464};
465
466acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
467
468
469#define OSC_QUERY_DWORD 0
470#define OSC_SUPPORT_DWORD 1
471#define OSC_CONTROL_DWORD 2
472
473
474#define OSC_QUERY_ENABLE 0x00000001
475#define OSC_REQUEST_ERROR 0x00000002
476#define OSC_INVALID_UUID_ERROR 0x00000004
477#define OSC_INVALID_REVISION_ERROR 0x00000008
478#define OSC_CAPABILITIES_MASK_ERROR 0x00000010
479
480
481#define OSC_SB_PAD_SUPPORT 0x00000001
482#define OSC_SB_PPC_OST_SUPPORT 0x00000002
483#define OSC_SB_PR3_SUPPORT 0x00000004
484#define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
485#define OSC_SB_APEI_SUPPORT 0x00000010
486#define OSC_SB_CPC_SUPPORT 0x00000020
487#define OSC_SB_CPCV2_SUPPORT 0x00000040
488#define OSC_SB_PCLPI_SUPPORT 0x00000080
489#define OSC_SB_OSLPI_SUPPORT 0x00000100
490#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
491
492extern bool osc_sb_apei_support_acked;
493extern bool osc_pc_lpi_support_confirmed;
494
495
496#define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
497#define OSC_PCI_ASPM_SUPPORT 0x00000002
498#define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
499#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
500#define OSC_PCI_MSI_SUPPORT 0x00000010
501#define OSC_PCI_SUPPORT_MASKS 0x0000001f
502
503
504#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
505#define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
506#define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
507#define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
508#define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
509#define OSC_PCI_CONTROL_MASKS 0x0000001f
510
511#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
512#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
513#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
514#define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
515#define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
516#define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
517#define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
518#define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
519#define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
520#define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
521
522extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
523 u32 *mask, u32 req);
524
525
526#if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
527 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
528 defined(CONFIG_ACPI_CONTAINER)
529#define ACPI_HOTPLUG_OST
530#endif
531
532
533#define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
534#define ACPI_OST_EC_OSPM_EJECT 0x103
535#define ACPI_OST_EC_OSPM_INSERTION 0x200
536
537
538#define ACPI_OST_SC_SUCCESS 0x0
539#define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
540#define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
541
542
543#define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
544#define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
545#define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
546#define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
547
548
549#define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
550#define ACPI_OST_SC_DEVICE_IN_USE 0x81
551#define ACPI_OST_SC_DEVICE_BUSY 0x82
552#define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
553#define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
554
555
556#define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
557#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
558#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
559
560enum acpi_predicate {
561 all_versions,
562 less_than_or_equal,
563 equal,
564 greater_than_or_equal,
565};
566
567
568struct acpi_platform_list {
569 char oem_id[ACPI_OEM_ID_SIZE+1];
570 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
571 u32 oem_revision;
572 char *table;
573 enum acpi_predicate pred;
574 char *reason;
575 u32 data;
576};
577int acpi_match_platform_list(const struct acpi_platform_list *plat);
578
579extern void acpi_early_init(void);
580extern void acpi_subsystem_init(void);
581
582extern int acpi_nvs_register(__u64 start, __u64 size);
583
584extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
585 void *data);
586
587const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
588 const struct device *dev);
589
590const void *acpi_device_get_match_data(const struct device *dev);
591extern bool acpi_driver_match_device(struct device *dev,
592 const struct device_driver *drv);
593int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
594int acpi_device_modalias(struct device *, char *, int);
595void acpi_walk_dep_device_list(acpi_handle handle);
596
597struct platform_device *acpi_create_platform_device(struct acpi_device *,
598 struct property_entry *);
599#define ACPI_PTR(_ptr) (_ptr)
600
601static inline void acpi_device_set_enumerated(struct acpi_device *adev)
602{
603 adev->flags.visited = true;
604}
605
606static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
607{
608 adev->flags.visited = false;
609}
610
611enum acpi_reconfig_event {
612 ACPI_RECONFIG_DEVICE_ADD = 0,
613 ACPI_RECONFIG_DEVICE_REMOVE,
614};
615
616int acpi_reconfig_notifier_register(struct notifier_block *nb);
617int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
618
619#ifdef CONFIG_ACPI_GTDT
620int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
621int acpi_gtdt_map_ppi(int type);
622bool acpi_gtdt_c3stop(int type);
623int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
624#endif
625
626#else
627
628#define acpi_disabled 1
629
630#define ACPI_COMPANION(dev) (NULL)
631#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
632#define ACPI_HANDLE(dev) (NULL)
633#define ACPI_HANDLE_FWNODE(fwnode) (NULL)
634#define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
635
636struct fwnode_handle;
637
638static inline bool acpi_dev_found(const char *hid)
639{
640 return false;
641}
642
643static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
644{
645 return false;
646}
647
648static inline const char *
649acpi_dev_get_first_match_name(const char *hid, const char *uid, s64 hrv)
650{
651 return NULL;
652}
653
654static inline bool is_acpi_node(struct fwnode_handle *fwnode)
655{
656 return false;
657}
658
659static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)
660{
661 return false;
662}
663
664static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)
665{
666 return NULL;
667}
668
669static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)
670{
671 return false;
672}
673
674static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)
675{
676 return NULL;
677}
678
679static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,
680 const char *name)
681{
682 return false;
683}
684
685static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
686{
687 return NULL;
688}
689
690static inline bool has_acpi_companion(struct device *dev)
691{
692 return false;
693}
694
695static inline void acpi_preset_companion(struct device *dev,
696 struct acpi_device *parent, u64 addr)
697{
698}
699
700static inline const char *acpi_dev_name(struct acpi_device *adev)
701{
702 return NULL;
703}
704
705static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
706{
707 return NULL;
708}
709
710static inline void acpi_early_init(void) { }
711static inline void acpi_subsystem_init(void) { }
712
713static inline int early_acpi_boot_init(void)
714{
715 return 0;
716}
717static inline int acpi_boot_init(void)
718{
719 return 0;
720}
721
722static inline void acpi_boot_table_init(void)
723{
724 return;
725}
726
727static inline int acpi_mps_check(void)
728{
729 return 0;
730}
731
732static inline int acpi_check_resource_conflict(struct resource *res)
733{
734 return 0;
735}
736
737static inline int acpi_check_region(resource_size_t start, resource_size_t n,
738 const char *name)
739{
740 return 0;
741}
742
743struct acpi_table_header;
744static inline int acpi_table_parse(char *id,
745 int (*handler)(struct acpi_table_header *))
746{
747 return -ENODEV;
748}
749
750static inline int acpi_nvs_register(__u64 start, __u64 size)
751{
752 return 0;
753}
754
755static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
756 void *data)
757{
758 return 0;
759}
760
761struct acpi_device_id;
762
763static inline const struct acpi_device_id *acpi_match_device(
764 const struct acpi_device_id *ids, const struct device *dev)
765{
766 return NULL;
767}
768
769static inline const void *acpi_device_get_match_data(const struct device *dev)
770{
771 return NULL;
772}
773
774static inline bool acpi_driver_match_device(struct device *dev,
775 const struct device_driver *drv)
776{
777 return false;
778}
779
780static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
781 const guid_t *guid,
782 int rev, int func,
783 union acpi_object *argv4)
784{
785 return NULL;
786}
787
788static inline int acpi_device_uevent_modalias(struct device *dev,
789 struct kobj_uevent_env *env)
790{
791 return -ENODEV;
792}
793
794static inline int acpi_device_modalias(struct device *dev,
795 char *buf, int size)
796{
797 return -ENODEV;
798}
799
800static inline bool acpi_dma_supported(struct acpi_device *adev)
801{
802 return false;
803}
804
805static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
806{
807 return DEV_DMA_NOT_SUPPORTED;
808}
809
810static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr,
811 u64 *offset, u64 *size)
812{
813 return -ENODEV;
814}
815
816static inline int acpi_dma_configure(struct device *dev,
817 enum dev_dma_attr attr)
818{
819 return 0;
820}
821
822static inline void acpi_dma_deconfigure(struct device *dev) { }
823
824#define ACPI_PTR(_ptr) (NULL)
825
826static inline void acpi_device_set_enumerated(struct acpi_device *adev)
827{
828}
829
830static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
831{
832}
833
834static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
835{
836 return -EINVAL;
837}
838
839static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
840{
841 return -EINVAL;
842}
843
844static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
845{
846 return NULL;
847}
848
849#endif
850
851#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
852int acpi_ioapic_add(acpi_handle root);
853#else
854static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
855#endif
856
857#ifdef CONFIG_ACPI
858void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
859 u32 pm1a_ctrl, u32 pm1b_ctrl));
860
861acpi_status acpi_os_prepare_sleep(u8 sleep_state,
862 u32 pm1a_control, u32 pm1b_control);
863
864void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
865 u32 val_a, u32 val_b));
866
867acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
868 u32 val_a, u32 val_b);
869
870#ifdef CONFIG_X86
871void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
872#else
873static inline void arch_reserve_mem_area(acpi_physical_address addr,
874 size_t size)
875{
876}
877#endif
878#else
879#define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
880#endif
881
882#if defined(CONFIG_ACPI) && defined(CONFIG_PM)
883int acpi_dev_suspend(struct device *dev, bool wakeup);
884int acpi_dev_resume(struct device *dev);
885int acpi_subsys_runtime_suspend(struct device *dev);
886int acpi_subsys_runtime_resume(struct device *dev);
887int acpi_dev_pm_attach(struct device *dev, bool power_on);
888#else
889static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
890static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
891static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
892static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
893static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
894{
895 return -ENODEV;
896}
897#endif
898
899#if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
900int acpi_dev_suspend_late(struct device *dev);
901int acpi_subsys_prepare(struct device *dev);
902void acpi_subsys_complete(struct device *dev);
903int acpi_subsys_suspend_late(struct device *dev);
904int acpi_subsys_suspend_noirq(struct device *dev);
905int acpi_subsys_resume_noirq(struct device *dev);
906int acpi_subsys_resume_early(struct device *dev);
907int acpi_subsys_suspend(struct device *dev);
908int acpi_subsys_freeze(struct device *dev);
909int acpi_subsys_freeze_late(struct device *dev);
910int acpi_subsys_freeze_noirq(struct device *dev);
911int acpi_subsys_thaw_noirq(struct device *dev);
912#else
913static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
914static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
915static inline void acpi_subsys_complete(struct device *dev) {}
916static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
917static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
918static inline int acpi_subsys_resume_noirq(struct device *dev) { return 0; }
919static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
920static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
921static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
922static inline int acpi_subsys_freeze_late(struct device *dev) { return 0; }
923static inline int acpi_subsys_freeze_noirq(struct device *dev) { return 0; }
924static inline int acpi_subsys_thaw_noirq(struct device *dev) { return 0; }
925#endif
926
927#ifdef CONFIG_ACPI
928__printf(3, 4)
929void acpi_handle_printk(const char *level, acpi_handle handle,
930 const char *fmt, ...);
931#else
932static inline __printf(3, 4) void
933acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
934#endif
935
936#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
937__printf(3, 4)
938void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
939#else
940#define __acpi_handle_debug(descriptor, handle, fmt, ...) \
941 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__);
942#endif
943
944
945
946
947
948
949
950#define acpi_handle_emerg(handle, fmt, ...) \
951 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
952#define acpi_handle_alert(handle, fmt, ...) \
953 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
954#define acpi_handle_crit(handle, fmt, ...) \
955 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
956#define acpi_handle_err(handle, fmt, ...) \
957 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
958#define acpi_handle_warn(handle, fmt, ...) \
959 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
960#define acpi_handle_notice(handle, fmt, ...) \
961 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
962#define acpi_handle_info(handle, fmt, ...) \
963 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
964
965#if defined(DEBUG)
966#define acpi_handle_debug(handle, fmt, ...) \
967 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
968#else
969#if defined(CONFIG_DYNAMIC_DEBUG)
970#define acpi_handle_debug(handle, fmt, ...) \
971do { \
972 DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
973 if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
974 __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \
975 ##__VA_ARGS__); \
976} while (0)
977#else
978#define acpi_handle_debug(handle, fmt, ...) \
979({ \
980 if (0) \
981 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
982 0; \
983})
984#endif
985#endif
986
987struct acpi_gpio_params {
988 unsigned int crs_entry_index;
989 unsigned int line_index;
990 bool active_low;
991};
992
993struct acpi_gpio_mapping {
994 const char *name;
995 const struct acpi_gpio_params *data;
996 unsigned int size;
997
998
999#define ACPI_GPIO_QUIRK_NO_IO_RESTRICTION BIT(0)
1000
1001 unsigned int quirks;
1002};
1003
1004#if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1005int acpi_dev_add_driver_gpios(struct acpi_device *adev,
1006 const struct acpi_gpio_mapping *gpios);
1007
1008static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
1009{
1010 if (adev)
1011 adev->driver_gpios = NULL;
1012}
1013
1014int devm_acpi_dev_add_driver_gpios(struct device *dev,
1015 const struct acpi_gpio_mapping *gpios);
1016void devm_acpi_dev_remove_driver_gpios(struct device *dev);
1017
1018bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1019 struct acpi_resource_gpio **agpio);
1020int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
1021#else
1022static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
1023 const struct acpi_gpio_mapping *gpios)
1024{
1025 return -ENXIO;
1026}
1027static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
1028
1029static inline int devm_acpi_dev_add_driver_gpios(struct device *dev,
1030 const struct acpi_gpio_mapping *gpios)
1031{
1032 return -ENXIO;
1033}
1034static inline void devm_acpi_dev_remove_driver_gpios(struct device *dev) {}
1035
1036static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1037 struct acpi_resource_gpio **agpio)
1038{
1039 return false;
1040}
1041static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1042{
1043 return -ENXIO;
1044}
1045#endif
1046
1047
1048
1049#define MAX_ACPI_REFERENCE_ARGS 8
1050struct acpi_reference_args {
1051 struct acpi_device *adev;
1052 size_t nargs;
1053 u64 args[MAX_ACPI_REFERENCE_ARGS];
1054};
1055
1056#ifdef CONFIG_ACPI
1057int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1058 acpi_object_type type, const union acpi_object **obj);
1059int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1060 const char *name, size_t index, size_t num_args,
1061 struct acpi_reference_args *args);
1062
1063static inline int acpi_node_get_property_reference(
1064 const struct fwnode_handle *fwnode,
1065 const char *name, size_t index,
1066 struct acpi_reference_args *args)
1067{
1068 return __acpi_node_get_property_reference(fwnode, name, index,
1069 MAX_ACPI_REFERENCE_ARGS, args);
1070}
1071
1072int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1073 void **valptr);
1074int acpi_dev_prop_read_single(struct acpi_device *adev,
1075 const char *propname, enum dev_prop_type proptype,
1076 void *val);
1077int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1078 const char *propname, enum dev_prop_type proptype,
1079 void *val, size_t nval);
1080int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,
1081 enum dev_prop_type proptype, void *val, size_t nval);
1082
1083struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1084 struct fwnode_handle *child);
1085struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode);
1086
1087struct fwnode_handle *
1088acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1089 struct fwnode_handle *prev);
1090int acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1091 struct fwnode_handle **remote,
1092 struct fwnode_handle **port,
1093 struct fwnode_handle **endpoint);
1094
1095struct acpi_probe_entry;
1096typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1097 struct acpi_probe_entry *);
1098
1099#define ACPI_TABLE_ID_LEN 5
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114struct acpi_probe_entry {
1115 __u8 id[ACPI_TABLE_ID_LEN];
1116 __u8 type;
1117 acpi_probe_entry_validate_subtbl subtable_valid;
1118 union {
1119 acpi_tbl_table_handler probe_table;
1120 acpi_tbl_entry_handler probe_subtbl;
1121 };
1122 kernel_ulong_t driver_data;
1123};
1124
1125#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1126 static const struct acpi_probe_entry __acpi_probe_##name \
1127 __used __section(__##table##_acpi_probe_table) \
1128 = { \
1129 .id = table_id, \
1130 .type = subtable, \
1131 .subtable_valid = valid, \
1132 .probe_table = (acpi_tbl_table_handler)fn, \
1133 .driver_data = data, \
1134 }
1135
1136#define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1137#define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1138
1139int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1140
1141#define acpi_probe_device_table(t) \
1142 ({ \
1143 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1144 ACPI_PROBE_TABLE_END(t); \
1145 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1146 (&ACPI_PROBE_TABLE_END(t) - \
1147 &ACPI_PROBE_TABLE(t))); \
1148 })
1149#else
1150static inline int acpi_dev_get_property(struct acpi_device *adev,
1151 const char *name, acpi_object_type type,
1152 const union acpi_object **obj)
1153{
1154 return -ENXIO;
1155}
1156
1157static inline int
1158__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1159 const char *name, size_t index, size_t num_args,
1160 struct acpi_reference_args *args)
1161{
1162 return -ENXIO;
1163}
1164
1165static inline int
1166acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1167 const char *name, size_t index,
1168 struct acpi_reference_args *args)
1169{
1170 return -ENXIO;
1171}
1172
1173static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1174 const char *propname,
1175 void **valptr)
1176{
1177 return -ENXIO;
1178}
1179
1180static inline int acpi_dev_prop_get(const struct acpi_device *adev,
1181 const char *propname,
1182 void **valptr)
1183{
1184 return -ENXIO;
1185}
1186
1187static inline int acpi_dev_prop_read_single(const struct acpi_device *adev,
1188 const char *propname,
1189 enum dev_prop_type proptype,
1190 void *val)
1191{
1192 return -ENXIO;
1193}
1194
1195static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode,
1196 const char *propname,
1197 enum dev_prop_type proptype,
1198 void *val, size_t nval)
1199{
1200 return -ENXIO;
1201}
1202
1203static inline int acpi_dev_prop_read(const struct acpi_device *adev,
1204 const char *propname,
1205 enum dev_prop_type proptype,
1206 void *val, size_t nval)
1207{
1208 return -ENXIO;
1209}
1210
1211static inline struct fwnode_handle *
1212acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1213 struct fwnode_handle *child)
1214{
1215 return NULL;
1216}
1217
1218static inline struct fwnode_handle *
1219acpi_node_get_parent(const struct fwnode_handle *fwnode)
1220{
1221 return NULL;
1222}
1223
1224static inline struct fwnode_handle *
1225acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1226 struct fwnode_handle *prev)
1227{
1228 return ERR_PTR(-ENXIO);
1229}
1230
1231static inline int
1232acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1233 struct fwnode_handle **remote,
1234 struct fwnode_handle **port,
1235 struct fwnode_handle **endpoint)
1236{
1237 return -ENXIO;
1238}
1239
1240#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1241 static const void * __acpi_table_##name[] \
1242 __attribute__((unused)) \
1243 = { (void *) table_id, \
1244 (void *) subtable, \
1245 (void *) valid, \
1246 (void *) fn, \
1247 (void *) data }
1248
1249#define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1250#endif
1251
1252#ifdef CONFIG_ACPI_TABLE_UPGRADE
1253void acpi_table_upgrade(void);
1254#else
1255static inline void acpi_table_upgrade(void) { }
1256#endif
1257
1258#if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1259extern bool acpi_has_watchdog(void);
1260#else
1261static inline bool acpi_has_watchdog(void) { return false; }
1262#endif
1263
1264#ifdef CONFIG_ACPI_SPCR_TABLE
1265extern bool qdf2400_e44_present;
1266int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1267#else
1268static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1269{
1270 return 0;
1271}
1272#endif
1273
1274#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1275int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1276#else
1277static inline
1278int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1279{
1280 return -EINVAL;
1281}
1282#endif
1283
1284#ifdef CONFIG_ACPI_LPIT
1285int lpit_read_residency_count_address(u64 *address);
1286#else
1287static inline int lpit_read_residency_count_address(u64 *address)
1288{
1289 return -EINVAL;
1290}
1291#endif
1292
1293#endif
1294