1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * acpi.h - ACPI Interface
4 *
5 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
6 */
7
8 #ifndef _LINUX_ACPI_H
9 #define _LINUX_ACPI_H
10
11 #include <linux/errno.h>
12 #include <linux/ioport.h> /* for struct resource */
13 #include <linux/resource_ext.h>
14 #include <linux/device.h>
15 #include <linux/mod_devicetable.h>
16 #include <linux/property.h>
17 #include <linux/uuid.h>
18 #include <linux/node.h>
19
20 struct irq_domain;
21 struct irq_domain_ops;
22
23 #ifndef _LINUX
24 #define _LINUX
25 #endif
26 #include <acpi/acpi.h>
27 #include <acpi/acpi_numa.h>
28
29 #ifdef CONFIG_ACPI
30
31 #include <linux/list.h>
32 #include <linux/dynamic_debug.h>
33 #include <linux/module.h>
34 #include <linux/mutex.h>
35 #include <linux/fw_table.h>
36
37 #include <acpi/acpi_bus.h>
38 #include <acpi/acpi_drivers.h>
39 #include <acpi/acpi_io.h>
40 #include <asm/acpi.h>
41
42 #ifdef CONFIG_ACPI_TABLE_LIB
43 #define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, "ACPI")
44 #define __init_or_acpilib
45 #define __initdata_or_acpilib
46 #else
47 #define EXPORT_SYMBOL_ACPI_LIB(x)
48 #define __init_or_acpilib __init
49 #define __initdata_or_acpilib __initdata
50 #endif
51
acpi_device_handle(struct acpi_device * adev)52 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
53 {
54 return adev ? adev->handle : NULL;
55 }
56
57 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
58 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
59 acpi_fwnode_handle(adev) : NULL)
60 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
61 #define ACPI_HANDLE_FWNODE(fwnode) \
62 acpi_device_handle(to_acpi_device_node(fwnode))
63
acpi_alloc_fwnode_static(void)64 static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
65 {
66 struct fwnode_handle *fwnode;
67
68 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
69 if (!fwnode)
70 return NULL;
71
72 fwnode_init(fwnode, &acpi_static_fwnode_ops);
73
74 return fwnode;
75 }
76
acpi_free_fwnode_static(struct fwnode_handle * fwnode)77 static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
78 {
79 if (WARN_ON(!is_acpi_static_node(fwnode)))
80 return;
81
82 kfree(fwnode);
83 }
84
has_acpi_companion(struct device * dev)85 static inline bool has_acpi_companion(struct device *dev)
86 {
87 return is_acpi_device_node(dev->fwnode);
88 }
89
acpi_preset_companion(struct device * dev,struct acpi_device * parent,u64 addr)90 static inline void acpi_preset_companion(struct device *dev,
91 struct acpi_device *parent, u64 addr)
92 {
93 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
94 }
95
acpi_dev_name(struct acpi_device * adev)96 static inline const char *acpi_dev_name(struct acpi_device *adev)
97 {
98 return dev_name(&adev->dev);
99 }
100
101 struct device *acpi_get_first_physical_node(struct acpi_device *adev);
102
103 enum acpi_irq_model_id {
104 ACPI_IRQ_MODEL_PIC = 0,
105 ACPI_IRQ_MODEL_IOAPIC,
106 ACPI_IRQ_MODEL_IOSAPIC,
107 ACPI_IRQ_MODEL_PLATFORM,
108 ACPI_IRQ_MODEL_GIC,
109 ACPI_IRQ_MODEL_LPIC,
110 ACPI_IRQ_MODEL_RINTC,
111 ACPI_IRQ_MODEL_COUNT
112 };
113
114 extern enum acpi_irq_model_id acpi_irq_model;
115
116 enum acpi_interrupt_id {
117 ACPI_INTERRUPT_PMI = 1,
118 ACPI_INTERRUPT_INIT,
119 ACPI_INTERRUPT_CPEI,
120 ACPI_INTERRUPT_COUNT
121 };
122
123 #define ACPI_SPACE_MEM 0
124
125 enum acpi_address_range_id {
126 ACPI_ADDRESS_RANGE_MEMORY = 1,
127 ACPI_ADDRESS_RANGE_RESERVED = 2,
128 ACPI_ADDRESS_RANGE_ACPI = 3,
129 ACPI_ADDRESS_RANGE_NVS = 4,
130 ACPI_ADDRESS_RANGE_COUNT
131 };
132
133
134 /* Table Handlers */
135 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
136
137 /* Debugger support */
138
139 struct acpi_debugger_ops {
140 int (*create_thread)(acpi_osd_exec_callback function, void *context);
141 ssize_t (*write_log)(const char *msg);
142 ssize_t (*read_cmd)(char *buffer, size_t length);
143 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
144 int (*notify_command_complete)(void);
145 };
146
147 struct acpi_debugger {
148 const struct acpi_debugger_ops *ops;
149 struct module *owner;
150 struct mutex lock;
151 };
152
153 #ifdef CONFIG_ACPI_DEBUGGER
154 int __init acpi_debugger_init(void);
155 int acpi_register_debugger(struct module *owner,
156 const struct acpi_debugger_ops *ops);
157 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
158 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
159 ssize_t acpi_debugger_write_log(const char *msg);
160 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
161 int acpi_debugger_wait_command_ready(void);
162 int acpi_debugger_notify_command_complete(void);
163 #else
acpi_debugger_init(void)164 static inline int acpi_debugger_init(void)
165 {
166 return -ENODEV;
167 }
168
acpi_register_debugger(struct module * owner,const struct acpi_debugger_ops * ops)169 static inline int acpi_register_debugger(struct module *owner,
170 const struct acpi_debugger_ops *ops)
171 {
172 return -ENODEV;
173 }
174
acpi_unregister_debugger(const struct acpi_debugger_ops * ops)175 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
176 {
177 }
178
acpi_debugger_create_thread(acpi_osd_exec_callback function,void * context)179 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
180 void *context)
181 {
182 return -ENODEV;
183 }
184
acpi_debugger_write_log(const char * msg)185 static inline int acpi_debugger_write_log(const char *msg)
186 {
187 return -ENODEV;
188 }
189
acpi_debugger_read_cmd(char * buffer,u32 buffer_length)190 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
191 {
192 return -ENODEV;
193 }
194
acpi_debugger_wait_command_ready(void)195 static inline int acpi_debugger_wait_command_ready(void)
196 {
197 return -ENODEV;
198 }
199
acpi_debugger_notify_command_complete(void)200 static inline int acpi_debugger_notify_command_complete(void)
201 {
202 return -ENODEV;
203 }
204 #endif
205
206 #define BAD_MADT_ENTRY(entry, end) ( \
207 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
208 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
209
210 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
211 void __acpi_unmap_table(void __iomem *map, unsigned long size);
212 int early_acpi_boot_init(void);
213 int acpi_boot_init (void);
214 void acpi_boot_table_prepare (void);
215 void acpi_boot_table_init (void);
216 int acpi_mps_check (void);
217 int acpi_numa_init (void);
218
219 int acpi_locate_initial_tables (void);
220 void acpi_reserve_initial_tables (void);
221 void acpi_table_init_complete (void);
222 int acpi_table_init (void);
223
224 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
225 int __init_or_acpilib acpi_table_parse_entries(char *id,
226 unsigned long table_size, int entry_id,
227 acpi_tbl_entry_handler handler, unsigned int max_entries);
228 int __init_or_acpilib acpi_table_parse_entries_array(char *id,
229 unsigned long table_size, struct acpi_subtable_proc *proc,
230 int proc_num, unsigned int max_entries);
231 int acpi_table_parse_madt(enum acpi_madt_type id,
232 acpi_tbl_entry_handler handler,
233 unsigned int max_entries);
234 int __init_or_acpilib
235 acpi_table_parse_cedt(enum acpi_cedt_type id,
236 acpi_tbl_entry_handler_arg handler_arg, void *arg);
237
238 int acpi_parse_mcfg (struct acpi_table_header *header);
239 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
240
241 #if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH)
242 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
243 #else
244 static inline void
acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity * pa)245 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
246 #endif
247
248 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
249
250 #if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)
251 void acpi_arch_dma_setup(struct device *dev);
252 #else
acpi_arch_dma_setup(struct device * dev)253 static inline void acpi_arch_dma_setup(struct device *dev) { }
254 #endif
255
256 #ifdef CONFIG_ARM64
257 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
258 #else
259 static inline void
acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity * pa)260 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
261 #endif
262
263 #ifdef CONFIG_RISCV
264 void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa);
265 #else
acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity * pa)266 static inline void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa) { }
267 #endif
268
269 #ifndef PHYS_CPUID_INVALID
270 typedef u32 phys_cpuid_t;
271 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
272 #endif
273
invalid_logical_cpuid(u32 cpuid)274 static inline bool invalid_logical_cpuid(u32 cpuid)
275 {
276 return (int)cpuid < 0;
277 }
278
invalid_phys_cpuid(phys_cpuid_t phys_id)279 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
280 {
281 return phys_id == PHYS_CPUID_INVALID;
282 }
283
284
285 int __init acpi_get_madt_revision(void);
286
287 /* Validate the processor object's proc_id */
288 bool acpi_duplicate_processor_id(int proc_id);
289 /* Processor _CTS control */
290 struct acpi_processor_power;
291
292 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE
293 bool acpi_processor_claim_cst_control(void);
294 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
295 struct acpi_processor_power *info);
296 #else
acpi_processor_claim_cst_control(void)297 static inline bool acpi_processor_claim_cst_control(void) { return false; }
acpi_processor_evaluate_cst(acpi_handle handle,u32 cpu,struct acpi_processor_power * info)298 static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
299 struct acpi_processor_power *info)
300 {
301 return -ENODEV;
302 }
303 #endif
304
305 #ifdef CONFIG_ACPI_HOTPLUG_CPU
306 /* Arch dependent functions for cpu hotplug support */
307 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
308 int *pcpu);
309 int acpi_unmap_cpu(int cpu);
310 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
311
312 acpi_handle acpi_get_processor_handle(int cpu);
313
314 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
315 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
316 #endif
317
318 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
319 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
320 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
321 void acpi_irq_stats_init(void);
322 extern u32 acpi_irq_handled;
323 extern u32 acpi_irq_not_handled;
324 extern unsigned int acpi_sci_irq;
325 extern bool acpi_no_s5;
326 #define INVALID_ACPI_IRQ ((unsigned)-1)
acpi_sci_irq_valid(void)327 static inline bool acpi_sci_irq_valid(void)
328 {
329 return acpi_sci_irq != INVALID_ACPI_IRQ;
330 }
331
332 extern int sbf_port;
333 extern unsigned long acpi_realmode_flags;
334
335 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
336 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
337 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
338
339 void acpi_set_irq_model(enum acpi_irq_model_id model,
340 struct fwnode_handle *(*)(u32));
341 void acpi_set_gsi_to_irq_fallback(u32 (*)(u32));
342
343 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
344 unsigned int size,
345 struct fwnode_handle *fwnode,
346 const struct irq_domain_ops *ops,
347 void *host_data);
348
349 #ifdef CONFIG_X86_IO_APIC
350 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
351 #else
acpi_get_override_irq(u32 gsi,int * trigger,int * polarity)352 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
353 {
354 return -1;
355 }
356 #endif
357 /*
358 * This function undoes the effect of one call to acpi_register_gsi().
359 * If this matches the last registration, any IRQ resources for gsi
360 * are freed.
361 */
362 void acpi_unregister_gsi (u32 gsi);
363
364 struct pci_dev;
365
366 struct acpi_prt_entry *acpi_pci_irq_lookup(struct pci_dev *dev, int pin);
367 int acpi_pci_irq_enable (struct pci_dev *dev);
368 void acpi_penalize_isa_irq(int irq, int active);
369 bool acpi_isa_irq_available(int irq);
370 #ifdef CONFIG_PCI
371 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
372 #else
acpi_penalize_sci_irq(int irq,int trigger,int polarity)373 static inline void acpi_penalize_sci_irq(int irq, int trigger,
374 int polarity)
375 {
376 }
377 #endif
378 void acpi_pci_irq_disable (struct pci_dev *dev);
379
380 extern int ec_read(u8 addr, u8 *val);
381 extern int ec_write(u8 addr, u8 val);
382 extern int ec_transaction(u8 command,
383 const u8 *wdata, unsigned wdata_len,
384 u8 *rdata, unsigned rdata_len);
385 extern acpi_handle ec_get_handle(void);
386
387 extern bool acpi_is_pnp_device(struct acpi_device *);
388
389 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
390
391 typedef void (*wmi_notify_handler) (union acpi_object *data, void *context);
392
393 int wmi_instance_count(const char *guid);
394
395 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
396 u32 method_id,
397 const struct acpi_buffer *in,
398 struct acpi_buffer *out);
399 extern acpi_status wmi_query_block(const char *guid, u8 instance,
400 struct acpi_buffer *out);
401 extern acpi_status wmi_set_block(const char *guid, u8 instance,
402 const struct acpi_buffer *in);
403 extern acpi_status wmi_install_notify_handler(const char *guid,
404 wmi_notify_handler handler, void *data);
405 extern acpi_status wmi_remove_notify_handler(const char *guid);
406 extern bool wmi_has_guid(const char *guid);
407 extern char *wmi_get_acpi_device_uid(const char *guid);
408
409 #endif /* CONFIG_ACPI_WMI */
410
411 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
412 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
413 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
414 #define ACPI_VIDEO_BACKLIGHT 0x0008
415 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
416 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
417 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
418 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
419 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
420 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
421 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
422 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
423
424 extern char acpi_video_backlight_string[];
425 extern long acpi_is_video_device(acpi_handle handle);
426
427 extern void acpi_osi_setup(char *str);
428 extern bool acpi_osi_is_win8(void);
429
430 #ifdef CONFIG_ACPI_THERMAL_LIB
431 int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp);
432 int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp);
433 int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp);
434 int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp);
435 #endif
436
437 #ifdef CONFIG_ACPI_HMAT
438 int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord);
439 #else
acpi_get_genport_coordinates(u32 uid,struct access_coordinate * coord)440 static inline int acpi_get_genport_coordinates(u32 uid,
441 struct access_coordinate *coord)
442 {
443 return -EOPNOTSUPP;
444 }
445 #endif
446
447 #ifdef CONFIG_ACPI_NUMA
448 int acpi_map_pxm_to_node(int pxm);
449 int acpi_get_node(acpi_handle handle);
450
451 /**
452 * pxm_to_online_node - Map proximity ID to online node
453 * @pxm: ACPI proximity ID
454 *
455 * This is similar to pxm_to_node(), but always returns an online
456 * node. When the mapped node from a given proximity ID is offline, it
457 * looks up the node distance table and returns the nearest online node.
458 *
459 * ACPI device drivers, which are called after the NUMA initialization has
460 * completed in the kernel, can call this interface to obtain their device
461 * NUMA topology from ACPI tables. Such drivers do not have to deal with
462 * offline nodes. A node may be offline when SRAT memory entry does not exist,
463 * or NUMA is disabled, ex. "numa=off" on x86.
464 */
pxm_to_online_node(int pxm)465 static inline int pxm_to_online_node(int pxm)
466 {
467 int node = pxm_to_node(pxm);
468
469 return numa_map_to_online_node(node);
470 }
471 #else
pxm_to_online_node(int pxm)472 static inline int pxm_to_online_node(int pxm)
473 {
474 return 0;
475 }
acpi_map_pxm_to_node(int pxm)476 static inline int acpi_map_pxm_to_node(int pxm)
477 {
478 return 0;
479 }
acpi_get_node(acpi_handle handle)480 static inline int acpi_get_node(acpi_handle handle)
481 {
482 return 0;
483 }
484 #endif
485 extern int pnpacpi_disabled;
486
487 #define PXM_INVAL (-1)
488
489 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
490 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
491 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
492 struct resource_win *win);
493 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
494 struct resource_win *win);
495 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable);
496 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
497 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
498 struct resource *res);
499
500 void acpi_dev_free_resource_list(struct list_head *list);
501 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
502 int (*preproc)(struct acpi_resource *, void *),
503 void *preproc_data);
504 int acpi_dev_get_dma_resources(struct acpi_device *adev,
505 struct list_head *list);
506 int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list);
507 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
508 unsigned long types);
509
acpi_dev_filter_resource_type_cb(struct acpi_resource * ares,void * arg)510 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
511 void *arg)
512 {
513 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
514 }
515
516 struct acpi_device *acpi_resource_consumer(struct resource *res);
517
518 int acpi_check_resource_conflict(const struct resource *res);
519
520 int acpi_check_region(resource_size_t start, resource_size_t n,
521 const char *name);
522
523 int acpi_resources_are_enforced(void);
524
525 #ifdef CONFIG_HIBERNATION
526 extern int acpi_check_s4_hw_signature;
527 #endif
528
529 #ifdef CONFIG_PM_SLEEP
530 void __init acpi_old_suspend_ordering(void);
531 void __init acpi_nvs_nosave(void);
532 void __init acpi_nvs_nosave_s3(void);
533 void __init acpi_sleep_no_blacklist(void);
534 #endif /* CONFIG_PM_SLEEP */
535
536 int acpi_register_wakeup_handler(
537 int wake_irq, bool (*wakeup)(void *context), void *context);
538 void acpi_unregister_wakeup_handler(
539 bool (*wakeup)(void *context), void *context);
540
541 struct acpi_osc_context {
542 char *uuid_str; /* UUID string */
543 int rev;
544 struct acpi_buffer cap; /* list of DWORD capabilities */
545 struct acpi_buffer ret; /* free by caller if success */
546 };
547
548 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
549
550 /* Number of _OSC capability DWORDS depends on bridge type */
551 #define OSC_PCI_CAPABILITY_DWORDS 3
552 #define OSC_CXL_CAPABILITY_DWORDS 5
553
554 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */
555 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
556 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
557 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
558 #define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */
559 #define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */
560
561 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
562 #define OSC_QUERY_ENABLE 0x00000001 /* input */
563 #define OSC_REQUEST_ERROR 0x00000002 /* return */
564 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
565 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
566 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
567
568 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
569 #define OSC_SB_PAD_SUPPORT 0x00000001
570 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
571 #define OSC_SB_PR3_SUPPORT 0x00000004
572 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
573 #define OSC_SB_APEI_SUPPORT 0x00000010
574 #define OSC_SB_CPC_SUPPORT 0x00000020
575 #define OSC_SB_CPCV2_SUPPORT 0x00000040
576 #define OSC_SB_PCLPI_SUPPORT 0x00000080
577 #define OSC_SB_OSLPI_SUPPORT 0x00000100
578 #define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200
579 #define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400
580 #define OSC_SB_GED_SUPPORT 0x00000800
581 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
582 #define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT 0x00002000
583 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000
584 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00020000
585 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
586 #define OSC_SB_BATTERY_CHARGE_LIMITING_SUPPORT 0x00080000
587 #define OSC_SB_PRM_SUPPORT 0x00200000
588 #define OSC_SB_FFH_OPR_SUPPORT 0x00400000
589
590 extern bool osc_sb_apei_support_acked;
591 extern bool osc_pc_lpi_support_confirmed;
592 extern bool osc_sb_native_usb4_support_confirmed;
593 extern bool osc_sb_cppc2_support_acked;
594 extern bool osc_cpc_flexible_adr_space_confirmed;
595
596 /* USB4 Capabilities */
597 #define OSC_USB_USB3_TUNNELING 0x00000001
598 #define OSC_USB_DP_TUNNELING 0x00000002
599 #define OSC_USB_PCIE_TUNNELING 0x00000004
600 #define OSC_USB_XDOMAIN 0x00000008
601
602 extern u32 osc_sb_native_usb4_control;
603
604 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
605 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
606 #define OSC_PCI_ASPM_SUPPORT 0x00000002
607 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
608 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
609 #define OSC_PCI_MSI_SUPPORT 0x00000010
610 #define OSC_PCI_EDR_SUPPORT 0x00000080
611 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
612
613 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
614 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
615 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
616 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
617 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
618 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
619 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
620 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
621
622 /* CXL _OSC: Capabilities DWORD 4: Support Field */
623 #define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001
624 #define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002
625 #define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004
626 #define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008
627
628 /* CXL _OSC: Capabilities DWORD 5: Control Field */
629 #define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001
630
acpi_osc_ctx_get_pci_control(struct acpi_osc_context * context)631 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
632 {
633 u32 *ret = context->ret.pointer;
634
635 return ret[OSC_CONTROL_DWORD];
636 }
637
acpi_osc_ctx_get_cxl_control(struct acpi_osc_context * context)638 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
639 {
640 u32 *ret = context->ret.pointer;
641
642 return ret[OSC_EXT_CONTROL_DWORD];
643 }
644
645 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
646 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
647 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
648 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
649 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
650 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
651 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
652 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
653 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
654 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
655
656 /* Enable _OST when all relevant hotplug operations are enabled */
657 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
658 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
659 defined(CONFIG_ACPI_CONTAINER)
660 #define ACPI_HOTPLUG_OST
661 #endif
662
663 /* _OST Source Event Code (OSPM Action) */
664 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
665 #define ACPI_OST_EC_OSPM_EJECT 0x103
666 #define ACPI_OST_EC_OSPM_INSERTION 0x200
667
668 /* _OST General Processing Status Code */
669 #define ACPI_OST_SC_SUCCESS 0x0
670 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
671 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
672
673 /* _OST OS Shutdown Processing (0x100) Status Code */
674 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
675 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
676 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
677 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
678
679 /* _OST Ejection Request (0x3, 0x103) Status Code */
680 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
681 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
682 #define ACPI_OST_SC_DEVICE_BUSY 0x82
683 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
684 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
685
686 /* _OST Insertion Request (0x200) Status Code */
687 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
688 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
689 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
690
691 enum acpi_predicate {
692 all_versions,
693 less_than_or_equal,
694 equal,
695 greater_than_or_equal,
696 };
697
698 /* Table must be terminted by a NULL entry */
699 struct acpi_platform_list {
700 char oem_id[ACPI_OEM_ID_SIZE+1];
701 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
702 u32 oem_revision;
703 char *table;
704 enum acpi_predicate pred;
705 char *reason;
706 u32 data;
707 };
708 int acpi_match_platform_list(const struct acpi_platform_list *plat);
709
710 extern void acpi_early_init(void);
711 extern void acpi_subsystem_init(void);
712
713 extern int acpi_nvs_register(__u64 start, __u64 size);
714
715 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
716 void *data);
717
718 const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids,
719 const struct acpi_device *adev);
720
721 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
722 const struct device *dev);
723
724 const void *acpi_device_get_match_data(const struct device *dev);
725 extern bool acpi_driver_match_device(struct device *dev,
726 const struct device_driver *drv);
727 int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *);
728 int acpi_device_modalias(struct device *, char *, int);
729
730 struct platform_device *acpi_create_platform_device(struct acpi_device *,
731 const struct property_entry *);
732 #define ACPI_PTR(_ptr) (_ptr)
733
acpi_device_set_enumerated(struct acpi_device * adev)734 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
735 {
736 adev->flags.visited = true;
737 }
738
acpi_device_clear_enumerated(struct acpi_device * adev)739 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
740 {
741 adev->flags.visited = false;
742 }
743
744 enum acpi_reconfig_event {
745 ACPI_RECONFIG_DEVICE_ADD = 0,
746 ACPI_RECONFIG_DEVICE_REMOVE,
747 };
748
749 int acpi_reconfig_notifier_register(struct notifier_block *nb);
750 int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
751
752 #ifdef CONFIG_ACPI_GTDT
753 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
754 int acpi_gtdt_map_ppi(int type);
755 bool acpi_gtdt_c3stop(int type);
756 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
757 #endif
758
759 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
acpi_arch_set_root_pointer(u64 addr)760 static inline void acpi_arch_set_root_pointer(u64 addr)
761 {
762 }
763 #endif
764
765 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
acpi_arch_get_root_pointer(void)766 static inline u64 acpi_arch_get_root_pointer(void)
767 {
768 return 0;
769 }
770 #endif
771
772 int acpi_get_local_u64_address(acpi_handle handle, u64 *addr);
773 int acpi_get_local_address(acpi_handle handle, u32 *addr);
774 const char *acpi_get_subsystem_id(acpi_handle handle);
775
776 #else /* !CONFIG_ACPI */
777
778 #define acpi_disabled 1
779
780 #define ACPI_COMPANION(dev) (NULL)
781 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
782 #define ACPI_HANDLE(dev) (NULL)
783 #define ACPI_HANDLE_FWNODE(fwnode) (NULL)
784
785 /* Get rid of the -Wunused-variable for adev */
786 #define acpi_dev_uid_match(adev, uid2) (adev && false)
787 #define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false)
788
789 struct fwnode_handle;
790
acpi_dev_found(const char * hid)791 static inline bool acpi_dev_found(const char *hid)
792 {
793 return false;
794 }
795
acpi_dev_present(const char * hid,const char * uid,s64 hrv)796 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
797 {
798 return false;
799 }
800
801 struct acpi_device;
802
acpi_dev_uid_to_integer(struct acpi_device * adev,u64 * integer)803 static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer)
804 {
805 return -ENODEV;
806 }
807
808 static inline struct acpi_device *
acpi_dev_get_first_match_dev(const char * hid,const char * uid,s64 hrv)809 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
810 {
811 return NULL;
812 }
813
acpi_reduced_hardware(void)814 static inline bool acpi_reduced_hardware(void)
815 {
816 return false;
817 }
818
acpi_dev_put(struct acpi_device * adev)819 static inline void acpi_dev_put(struct acpi_device *adev) {}
820
is_acpi_node(const struct fwnode_handle * fwnode)821 static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
822 {
823 return false;
824 }
825
is_acpi_device_node(const struct fwnode_handle * fwnode)826 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
827 {
828 return false;
829 }
830
to_acpi_device_node(const struct fwnode_handle * fwnode)831 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
832 {
833 return NULL;
834 }
835
is_acpi_data_node(const struct fwnode_handle * fwnode)836 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
837 {
838 return false;
839 }
840
to_acpi_data_node(const struct fwnode_handle * fwnode)841 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
842 {
843 return NULL;
844 }
845
acpi_data_node_match(const struct fwnode_handle * fwnode,const char * name)846 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
847 const char *name)
848 {
849 return false;
850 }
851
acpi_fwnode_handle(struct acpi_device * adev)852 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
853 {
854 return NULL;
855 }
856
acpi_device_handle(struct acpi_device * adev)857 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
858 {
859 return NULL;
860 }
861
has_acpi_companion(struct device * dev)862 static inline bool has_acpi_companion(struct device *dev)
863 {
864 return false;
865 }
866
acpi_preset_companion(struct device * dev,struct acpi_device * parent,u64 addr)867 static inline void acpi_preset_companion(struct device *dev,
868 struct acpi_device *parent, u64 addr)
869 {
870 }
871
acpi_dev_name(struct acpi_device * adev)872 static inline const char *acpi_dev_name(struct acpi_device *adev)
873 {
874 return NULL;
875 }
876
acpi_get_first_physical_node(struct acpi_device * adev)877 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
878 {
879 return NULL;
880 }
881
acpi_early_init(void)882 static inline void acpi_early_init(void) { }
acpi_subsystem_init(void)883 static inline void acpi_subsystem_init(void) { }
884
early_acpi_boot_init(void)885 static inline int early_acpi_boot_init(void)
886 {
887 return 0;
888 }
acpi_boot_init(void)889 static inline int acpi_boot_init(void)
890 {
891 return 0;
892 }
893
acpi_boot_table_prepare(void)894 static inline void acpi_boot_table_prepare(void)
895 {
896 }
897
acpi_boot_table_init(void)898 static inline void acpi_boot_table_init(void)
899 {
900 }
901
acpi_mps_check(void)902 static inline int acpi_mps_check(void)
903 {
904 return 0;
905 }
906
acpi_check_resource_conflict(struct resource * res)907 static inline int acpi_check_resource_conflict(struct resource *res)
908 {
909 return 0;
910 }
911
acpi_check_region(resource_size_t start,resource_size_t n,const char * name)912 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
913 const char *name)
914 {
915 return 0;
916 }
917
918 struct acpi_table_header;
acpi_table_parse(char * id,int (* handler)(struct acpi_table_header *))919 static inline int acpi_table_parse(char *id,
920 int (*handler)(struct acpi_table_header *))
921 {
922 return -ENODEV;
923 }
924
acpi_nvs_register(__u64 start,__u64 size)925 static inline int acpi_nvs_register(__u64 start, __u64 size)
926 {
927 return 0;
928 }
929
acpi_nvs_for_each_region(int (* func)(__u64,__u64,void *),void * data)930 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
931 void *data)
932 {
933 return 0;
934 }
935
936 struct acpi_device_id;
937
acpi_match_acpi_device(const struct acpi_device_id * ids,const struct acpi_device * adev)938 static inline const struct acpi_device_id *acpi_match_acpi_device(
939 const struct acpi_device_id *ids, const struct acpi_device *adev)
940 {
941 return NULL;
942 }
943
acpi_match_device(const struct acpi_device_id * ids,const struct device * dev)944 static inline const struct acpi_device_id *acpi_match_device(
945 const struct acpi_device_id *ids, const struct device *dev)
946 {
947 return NULL;
948 }
949
acpi_device_get_match_data(const struct device * dev)950 static inline const void *acpi_device_get_match_data(const struct device *dev)
951 {
952 return NULL;
953 }
954
acpi_driver_match_device(struct device * dev,const struct device_driver * drv)955 static inline bool acpi_driver_match_device(struct device *dev,
956 const struct device_driver *drv)
957 {
958 return false;
959 }
960
acpi_check_dsm(acpi_handle handle,const guid_t * guid,u64 rev,u64 funcs)961 static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid,
962 u64 rev, u64 funcs)
963 {
964 return false;
965 }
966
acpi_evaluate_dsm(acpi_handle handle,const guid_t * guid,u64 rev,u64 func,union acpi_object * argv4)967 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
968 const guid_t *guid,
969 u64 rev, u64 func,
970 union acpi_object *argv4)
971 {
972 return NULL;
973 }
974
acpi_evaluate_dsm_typed(acpi_handle handle,const guid_t * guid,u64 rev,u64 func,union acpi_object * argv4,acpi_object_type type)975 static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle,
976 const guid_t *guid,
977 u64 rev, u64 func,
978 union acpi_object *argv4,
979 acpi_object_type type)
980 {
981 return NULL;
982 }
983
acpi_device_uevent_modalias(const struct device * dev,struct kobj_uevent_env * env)984 static inline int acpi_device_uevent_modalias(const struct device *dev,
985 struct kobj_uevent_env *env)
986 {
987 return -ENODEV;
988 }
989
acpi_device_modalias(struct device * dev,char * buf,int size)990 static inline int acpi_device_modalias(struct device *dev,
991 char *buf, int size)
992 {
993 return -ENODEV;
994 }
995
996 static inline struct platform_device *
acpi_create_platform_device(struct acpi_device * adev,const struct property_entry * properties)997 acpi_create_platform_device(struct acpi_device *adev,
998 const struct property_entry *properties)
999 {
1000 return NULL;
1001 }
1002
acpi_dma_supported(const struct acpi_device * adev)1003 static inline bool acpi_dma_supported(const struct acpi_device *adev)
1004 {
1005 return false;
1006 }
1007
acpi_get_dma_attr(struct acpi_device * adev)1008 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
1009 {
1010 return DEV_DMA_NOT_SUPPORTED;
1011 }
1012
acpi_dma_get_range(struct device * dev,const struct bus_dma_region ** map)1013 static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map)
1014 {
1015 return -ENODEV;
1016 }
1017
acpi_dma_configure(struct device * dev,enum dev_dma_attr attr)1018 static inline int acpi_dma_configure(struct device *dev,
1019 enum dev_dma_attr attr)
1020 {
1021 return 0;
1022 }
1023
acpi_dma_configure_id(struct device * dev,enum dev_dma_attr attr,const u32 * input_id)1024 static inline int acpi_dma_configure_id(struct device *dev,
1025 enum dev_dma_attr attr,
1026 const u32 *input_id)
1027 {
1028 return 0;
1029 }
1030
1031 #define ACPI_PTR(_ptr) (NULL)
1032
acpi_device_set_enumerated(struct acpi_device * adev)1033 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
1034 {
1035 }
1036
acpi_device_clear_enumerated(struct acpi_device * adev)1037 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
1038 {
1039 }
1040
acpi_reconfig_notifier_register(struct notifier_block * nb)1041 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
1042 {
1043 return -EINVAL;
1044 }
1045
acpi_reconfig_notifier_unregister(struct notifier_block * nb)1046 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
1047 {
1048 return -EINVAL;
1049 }
1050
acpi_resource_consumer(struct resource * res)1051 static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
1052 {
1053 return NULL;
1054 }
1055
acpi_get_local_address(acpi_handle handle,u32 * addr)1056 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
1057 {
1058 return -ENODEV;
1059 }
1060
acpi_get_subsystem_id(acpi_handle handle)1061 static inline const char *acpi_get_subsystem_id(acpi_handle handle)
1062 {
1063 return ERR_PTR(-ENODEV);
1064 }
1065
acpi_register_wakeup_handler(int wake_irq,bool (* wakeup)(void * context),void * context)1066 static inline int acpi_register_wakeup_handler(int wake_irq,
1067 bool (*wakeup)(void *context), void *context)
1068 {
1069 return -ENXIO;
1070 }
1071
acpi_unregister_wakeup_handler(bool (* wakeup)(void * context),void * context)1072 static inline void acpi_unregister_wakeup_handler(
1073 bool (*wakeup)(void *context), void *context) { }
1074
1075 struct acpi_osc_context;
acpi_osc_ctx_get_pci_control(struct acpi_osc_context * context)1076 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
1077 {
1078 return 0;
1079 }
1080
acpi_osc_ctx_get_cxl_control(struct acpi_osc_context * context)1081 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
1082 {
1083 return 0;
1084 }
1085
acpi_sleep_state_supported(u8 sleep_state)1086 static inline bool acpi_sleep_state_supported(u8 sleep_state)
1087 {
1088 return false;
1089 }
1090
acpi_get_processor_handle(int cpu)1091 static inline acpi_handle acpi_get_processor_handle(int cpu)
1092 {
1093 return NULL;
1094 }
1095
1096 #endif /* !CONFIG_ACPI */
1097
1098 extern void arch_post_acpi_subsys_init(void);
1099
1100 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
1101 int acpi_ioapic_add(acpi_handle root);
1102 #else
acpi_ioapic_add(acpi_handle root)1103 static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
1104 #endif
1105
1106 #ifdef CONFIG_ACPI
1107 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
1108 u32 pm1a_ctrl, u32 pm1b_ctrl));
1109
1110 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
1111 u32 pm1a_control, u32 pm1b_control);
1112
1113 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
1114 u32 val_a, u32 val_b));
1115
1116 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
1117 u32 val_a, u32 val_b);
1118 #if defined(CONFIG_SUSPEND) && defined(CONFIG_X86)
1119 struct acpi_s2idle_dev_ops {
1120 struct list_head list_node;
1121 void (*prepare)(void);
1122 void (*check)(void);
1123 void (*restore)(void);
1124 };
1125 int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1126 void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1127 int acpi_get_lps0_constraint(struct acpi_device *adev);
1128 #else /* CONFIG_SUSPEND && CONFIG_X86 */
acpi_get_lps0_constraint(struct device * dev)1129 static inline int acpi_get_lps0_constraint(struct device *dev)
1130 {
1131 return ACPI_STATE_UNKNOWN;
1132 }
1133 #endif /* CONFIG_SUSPEND && CONFIG_X86 */
1134 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1135 #else
1136 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1137 #endif
1138
1139 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1140 int acpi_dev_suspend(struct device *dev, bool wakeup);
1141 int acpi_dev_resume(struct device *dev);
1142 int acpi_subsys_runtime_suspend(struct device *dev);
1143 int acpi_subsys_runtime_resume(struct device *dev);
1144 int acpi_dev_pm_attach(struct device *dev, bool power_on);
1145 bool acpi_storage_d3(struct device *dev);
1146 bool acpi_dev_state_d0(struct device *dev);
1147 #else
acpi_subsys_runtime_suspend(struct device * dev)1148 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
acpi_subsys_runtime_resume(struct device * dev)1149 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
acpi_dev_pm_attach(struct device * dev,bool power_on)1150 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1151 {
1152 return 0;
1153 }
acpi_storage_d3(struct device * dev)1154 static inline bool acpi_storage_d3(struct device *dev)
1155 {
1156 return false;
1157 }
acpi_dev_state_d0(struct device * dev)1158 static inline bool acpi_dev_state_d0(struct device *dev)
1159 {
1160 return true;
1161 }
1162 #endif
1163
1164 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1165 int acpi_subsys_prepare(struct device *dev);
1166 void acpi_subsys_complete(struct device *dev);
1167 int acpi_subsys_suspend_late(struct device *dev);
1168 int acpi_subsys_suspend_noirq(struct device *dev);
1169 int acpi_subsys_suspend(struct device *dev);
1170 int acpi_subsys_freeze(struct device *dev);
1171 int acpi_subsys_poweroff(struct device *dev);
1172 int acpi_subsys_restore_early(struct device *dev);
1173 #else
acpi_subsys_prepare(struct device * dev)1174 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
acpi_subsys_complete(struct device * dev)1175 static inline void acpi_subsys_complete(struct device *dev) {}
acpi_subsys_suspend_late(struct device * dev)1176 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
acpi_subsys_suspend_noirq(struct device * dev)1177 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
acpi_subsys_suspend(struct device * dev)1178 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
acpi_subsys_freeze(struct device * dev)1179 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
acpi_subsys_poweroff(struct device * dev)1180 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
acpi_subsys_restore_early(struct device * dev)1181 static inline int acpi_subsys_restore_early(struct device *dev) { return 0; }
1182 #endif
1183
1184 #if defined(CONFIG_ACPI_EC) && defined(CONFIG_PM_SLEEP)
1185 void acpi_ec_mark_gpe_for_wake(void);
1186 void acpi_ec_set_gpe_wake_mask(u8 action);
1187 #else
acpi_ec_mark_gpe_for_wake(void)1188 static inline void acpi_ec_mark_gpe_for_wake(void) {}
acpi_ec_set_gpe_wake_mask(u8 action)1189 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1190 #endif
1191
1192 #ifdef CONFIG_ACPI
1193 char *acpi_handle_path(acpi_handle handle);
1194 __printf(3, 4)
1195 void acpi_handle_printk(const char *level, acpi_handle handle,
1196 const char *fmt, ...);
1197 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1198 acpi_status status);
1199 #else /* !CONFIG_ACPI */
1200 static inline __printf(3, 4) void
acpi_handle_printk(const char * level,void * handle,const char * fmt,...)1201 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
acpi_evaluation_failure_warn(acpi_handle handle,const char * name,acpi_status status)1202 static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1203 const char *name,
1204 acpi_status status) {}
1205 #endif /* !CONFIG_ACPI */
1206
1207 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1208 __printf(3, 4)
1209 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1210 #endif
1211
1212 /*
1213 * acpi_handle_<level>: Print message with ACPI prefix and object path
1214 *
1215 * These interfaces acquire the global namespace mutex to obtain an object
1216 * path. In interrupt context, it shows the object path as <n/a>.
1217 */
1218 #define acpi_handle_emerg(handle, fmt, ...) \
1219 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1220 #define acpi_handle_alert(handle, fmt, ...) \
1221 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1222 #define acpi_handle_crit(handle, fmt, ...) \
1223 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1224 #define acpi_handle_err(handle, fmt, ...) \
1225 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1226 #define acpi_handle_warn(handle, fmt, ...) \
1227 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1228 #define acpi_handle_notice(handle, fmt, ...) \
1229 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1230 #define acpi_handle_info(handle, fmt, ...) \
1231 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1232
1233 #if defined(DEBUG)
1234 #define acpi_handle_debug(handle, fmt, ...) \
1235 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1236 #else
1237 #if defined(CONFIG_DYNAMIC_DEBUG)
1238 #define acpi_handle_debug(handle, fmt, ...) \
1239 _dynamic_func_call(fmt, __acpi_handle_debug, \
1240 handle, pr_fmt(fmt), ##__VA_ARGS__)
1241 #else
1242 #define acpi_handle_debug(handle, fmt, ...) \
1243 ({ \
1244 if (0) \
1245 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1246 0; \
1247 })
1248 #endif
1249 #endif
1250
1251 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1252 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1253 struct acpi_resource_gpio **agpio);
1254 bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1255 struct acpi_resource_gpio **agpio);
1256 int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index,
1257 bool *wake_capable);
1258 #else
acpi_gpio_get_irq_resource(struct acpi_resource * ares,struct acpi_resource_gpio ** agpio)1259 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1260 struct acpi_resource_gpio **agpio)
1261 {
1262 return false;
1263 }
acpi_gpio_get_io_resource(struct acpi_resource * ares,struct acpi_resource_gpio ** agpio)1264 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1265 struct acpi_resource_gpio **agpio)
1266 {
1267 return false;
1268 }
acpi_dev_gpio_irq_wake_get_by(struct acpi_device * adev,const char * con_id,int index,bool * wake_capable)1269 static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id,
1270 int index, bool *wake_capable)
1271 {
1272 return -ENXIO;
1273 }
1274 #endif
1275
acpi_dev_gpio_irq_wake_get(struct acpi_device * adev,int index,bool * wake_capable)1276 static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index,
1277 bool *wake_capable)
1278 {
1279 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable);
1280 }
1281
acpi_dev_gpio_irq_get_by(struct acpi_device * adev,const char * con_id,int index)1282 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id,
1283 int index)
1284 {
1285 return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL);
1286 }
1287
acpi_dev_gpio_irq_get(struct acpi_device * adev,int index)1288 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1289 {
1290 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL);
1291 }
1292
1293 /* Device properties */
1294
1295 #ifdef CONFIG_ACPI
1296 int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1297 acpi_object_type type, const union acpi_object **obj);
1298 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1299 const char *name, size_t index, size_t num_args,
1300 struct fwnode_reference_args *args);
1301
acpi_node_get_property_reference(const struct fwnode_handle * fwnode,const char * name,size_t index,struct fwnode_reference_args * args)1302 static inline int acpi_node_get_property_reference(
1303 const struct fwnode_handle *fwnode,
1304 const char *name, size_t index,
1305 struct fwnode_reference_args *args)
1306 {
1307 return __acpi_node_get_property_reference(fwnode, name, index,
1308 NR_FWNODE_REFERENCE_ARGS, args);
1309 }
1310
acpi_dev_has_props(const struct acpi_device * adev)1311 static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1312 {
1313 return !list_empty(&adev->data.properties);
1314 }
1315
1316 struct acpi_device_properties *
1317 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1318 union acpi_object *properties);
1319
1320 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1321 void **valptr);
1322
1323 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1324 struct fwnode_handle *child);
1325
1326 struct acpi_probe_entry;
1327 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1328 struct acpi_probe_entry *);
1329
1330 #define ACPI_TABLE_ID_LEN 5
1331
1332 /**
1333 * struct acpi_probe_entry - boot-time probing entry
1334 * @id: ACPI table name
1335 * @type: Optional subtable type to match
1336 * (if @id contains subtables)
1337 * @subtable_valid: Optional callback to check the validity of
1338 * the subtable
1339 * @probe_table: Callback to the driver being probed when table
1340 * match is successful
1341 * @probe_subtbl: Callback to the driver being probed when table and
1342 * subtable match (and optional callback is successful)
1343 * @driver_data: Sideband data provided back to the driver
1344 */
1345 struct acpi_probe_entry {
1346 __u8 id[ACPI_TABLE_ID_LEN];
1347 __u8 type;
1348 acpi_probe_entry_validate_subtbl subtable_valid;
1349 union {
1350 acpi_tbl_table_handler probe_table;
1351 acpi_tbl_entry_handler probe_subtbl;
1352 };
1353 kernel_ulong_t driver_data;
1354 };
1355
1356 void arch_sort_irqchip_probe(struct acpi_probe_entry *ap_head, int nr);
1357
1358 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1359 valid, data, fn) \
1360 static const struct acpi_probe_entry __acpi_probe_##name \
1361 __used __section("__" #table "_acpi_probe_table") = { \
1362 .id = table_id, \
1363 .type = subtable, \
1364 .subtable_valid = valid, \
1365 .probe_table = fn, \
1366 .driver_data = data, \
1367 }
1368
1369 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1370 subtable, valid, data, fn) \
1371 static const struct acpi_probe_entry __acpi_probe_##name \
1372 __used __section("__" #table "_acpi_probe_table") = { \
1373 .id = table_id, \
1374 .type = subtable, \
1375 .subtable_valid = valid, \
1376 .probe_subtbl = fn, \
1377 .driver_data = data, \
1378 }
1379
1380 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1381 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1382
1383 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1384
1385 #define acpi_probe_device_table(t) \
1386 ({ \
1387 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1388 ACPI_PROBE_TABLE_END(t); \
1389 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1390 (&ACPI_PROBE_TABLE_END(t) - \
1391 &ACPI_PROBE_TABLE(t))); \
1392 })
1393 #else
acpi_dev_get_property(struct acpi_device * adev,const char * name,acpi_object_type type,const union acpi_object ** obj)1394 static inline int acpi_dev_get_property(struct acpi_device *adev,
1395 const char *name, acpi_object_type type,
1396 const union acpi_object **obj)
1397 {
1398 return -ENXIO;
1399 }
1400
1401 static inline int
__acpi_node_get_property_reference(const struct fwnode_handle * fwnode,const char * name,size_t index,size_t num_args,struct fwnode_reference_args * args)1402 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1403 const char *name, size_t index, size_t num_args,
1404 struct fwnode_reference_args *args)
1405 {
1406 return -ENXIO;
1407 }
1408
1409 static inline int
acpi_node_get_property_reference(const struct fwnode_handle * fwnode,const char * name,size_t index,struct fwnode_reference_args * args)1410 acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1411 const char *name, size_t index,
1412 struct fwnode_reference_args *args)
1413 {
1414 return -ENXIO;
1415 }
1416
acpi_node_prop_get(const struct fwnode_handle * fwnode,const char * propname,void ** valptr)1417 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1418 const char *propname,
1419 void **valptr)
1420 {
1421 return -ENXIO;
1422 }
1423
1424 static inline struct fwnode_handle *
acpi_get_next_subnode(const struct fwnode_handle * fwnode,struct fwnode_handle * child)1425 acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1426 struct fwnode_handle *child)
1427 {
1428 return NULL;
1429 }
1430
1431 static inline struct fwnode_handle *
acpi_graph_get_next_endpoint(const struct fwnode_handle * fwnode,struct fwnode_handle * prev)1432 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1433 struct fwnode_handle *prev)
1434 {
1435 return ERR_PTR(-ENXIO);
1436 }
1437
1438 static inline int
acpi_graph_get_remote_endpoint(const struct fwnode_handle * fwnode,struct fwnode_handle ** remote,struct fwnode_handle ** port,struct fwnode_handle ** endpoint)1439 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1440 struct fwnode_handle **remote,
1441 struct fwnode_handle **port,
1442 struct fwnode_handle **endpoint)
1443 {
1444 return -ENXIO;
1445 }
1446
1447 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1448 static const void * __acpi_table_##name[] \
1449 __attribute__((unused)) \
1450 = { (void *) table_id, \
1451 (void *) subtable, \
1452 (void *) valid, \
1453 (void *) fn, \
1454 (void *) data }
1455
1456 #define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1457 #endif
1458
1459 #ifdef CONFIG_ACPI_TABLE_UPGRADE
1460 void acpi_table_upgrade(void);
1461 #else
acpi_table_upgrade(void)1462 static inline void acpi_table_upgrade(void) { }
1463 #endif
1464
1465 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1466 extern bool acpi_has_watchdog(void);
1467 #else
acpi_has_watchdog(void)1468 static inline bool acpi_has_watchdog(void) { return false; }
1469 #endif
1470
1471 #ifdef CONFIG_ACPI_SPCR_TABLE
1472 extern bool qdf2400_e44_present;
1473 int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1474 #else
acpi_parse_spcr(bool enable_earlycon,bool enable_console)1475 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1476 {
1477 return 0;
1478 }
1479 #endif
1480
1481 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1482 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1483 #else
1484 static inline
acpi_irq_get(acpi_handle handle,unsigned int index,struct resource * res)1485 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1486 {
1487 return -EINVAL;
1488 }
1489 #endif
1490
1491 #ifdef CONFIG_ACPI_LPIT
1492 int lpit_read_residency_count_address(u64 *address);
1493 #else
lpit_read_residency_count_address(u64 * address)1494 static inline int lpit_read_residency_count_address(u64 *address)
1495 {
1496 return -EINVAL;
1497 }
1498 #endif
1499
1500 #ifdef CONFIG_ACPI_PROCESSOR_IDLE
1501 #ifndef arch_get_idle_state_flags
arch_get_idle_state_flags(u32 arch_flags)1502 static inline unsigned int arch_get_idle_state_flags(u32 arch_flags)
1503 {
1504 return 0;
1505 }
1506 #endif
1507 #endif /* CONFIG_ACPI_PROCESSOR_IDLE */
1508
1509 #ifdef CONFIG_ACPI_PPTT
1510 int acpi_pptt_cpu_is_thread(unsigned int cpu);
1511 int find_acpi_cpu_topology(unsigned int cpu, int level);
1512 int find_acpi_cpu_topology_cluster(unsigned int cpu);
1513 int find_acpi_cpu_topology_package(unsigned int cpu);
1514 int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1515 #else
acpi_pptt_cpu_is_thread(unsigned int cpu)1516 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1517 {
1518 return -EINVAL;
1519 }
find_acpi_cpu_topology(unsigned int cpu,int level)1520 static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1521 {
1522 return -EINVAL;
1523 }
find_acpi_cpu_topology_cluster(unsigned int cpu)1524 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu)
1525 {
1526 return -EINVAL;
1527 }
find_acpi_cpu_topology_package(unsigned int cpu)1528 static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1529 {
1530 return -EINVAL;
1531 }
find_acpi_cpu_topology_hetero_id(unsigned int cpu)1532 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1533 {
1534 return -EINVAL;
1535 }
1536 #endif
1537
1538 void acpi_arch_init(void);
1539
1540 #ifdef CONFIG_ACPI_PCC
1541 void acpi_init_pcc(void);
1542 #else
acpi_init_pcc(void)1543 static inline void acpi_init_pcc(void) { }
1544 #endif
1545
1546 #ifdef CONFIG_ACPI_FFH
1547 void acpi_init_ffh(void);
1548 extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt,
1549 void **region_ctxt);
1550 extern int acpi_ffh_address_space_arch_handler(acpi_integer *value,
1551 void *region_context);
1552 #else
acpi_init_ffh(void)1553 static inline void acpi_init_ffh(void) { }
1554 #endif
1555
1556 #ifdef CONFIG_ACPI
1557 extern void acpi_device_notify(struct device *dev);
1558 extern void acpi_device_notify_remove(struct device *dev);
1559 #else
acpi_device_notify(struct device * dev)1560 static inline void acpi_device_notify(struct device *dev) { }
acpi_device_notify_remove(struct device * dev)1561 static inline void acpi_device_notify_remove(struct device *dev) { }
1562 #endif
1563
acpi_use_parent_companion(struct device * dev)1564 static inline void acpi_use_parent_companion(struct device *dev)
1565 {
1566 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent));
1567 }
1568
1569 #ifdef CONFIG_ACPI_HMAT
1570 int hmat_update_target_coordinates(int nid, struct access_coordinate *coord,
1571 enum access_coordinate_class access);
1572 #else
hmat_update_target_coordinates(int nid,struct access_coordinate * coord,enum access_coordinate_class access)1573 static inline int hmat_update_target_coordinates(int nid,
1574 struct access_coordinate *coord,
1575 enum access_coordinate_class access)
1576 {
1577 return -EOPNOTSUPP;
1578 }
1579 #endif
1580
1581 #ifdef CONFIG_ACPI_NUMA
1582 bool acpi_node_backed_by_real_pxm(int nid);
1583 #else
acpi_node_backed_by_real_pxm(int nid)1584 static inline bool acpi_node_backed_by_real_pxm(int nid)
1585 {
1586 return false;
1587 }
1588 #endif
1589
1590 #endif /*_LINUX_ACPI_H*/
1591