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