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/irqdomain.h>
14 #include <linux/resource_ext.h>
15 #include <linux/device.h>
16 #include <linux/property.h>
17 #include <linux/uuid.h>
18
19 #ifndef _LINUX
20 #define _LINUX
21 #endif
22 #include <acpi/acpi.h>
23
24 #ifdef CONFIG_ACPI
25
26 #include <linux/list.h>
27 #include <linux/mod_devicetable.h>
28 #include <linux/dynamic_debug.h>
29 #include <linux/module.h>
30 #include <linux/mutex.h>
31
32 #include <acpi/acpi_bus.h>
33 #include <acpi/acpi_drivers.h>
34 #include <acpi/acpi_numa.h>
35 #include <acpi/acpi_io.h>
36 #include <asm/acpi.h>
37
acpi_device_handle(struct acpi_device * adev)38 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
39 {
40 return adev ? adev->handle : NULL;
41 }
42
43 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
44 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
45 acpi_fwnode_handle(adev) : NULL)
46 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
47 #define ACPI_HANDLE_FWNODE(fwnode) \
48 acpi_device_handle(to_acpi_device_node(fwnode))
49
acpi_alloc_fwnode_static(void)50 static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
51 {
52 struct fwnode_handle *fwnode;
53
54 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
55 if (!fwnode)
56 return NULL;
57
58 fwnode_init(fwnode, &acpi_static_fwnode_ops);
59
60 return fwnode;
61 }
62
acpi_free_fwnode_static(struct fwnode_handle * fwnode)63 static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
64 {
65 if (WARN_ON(!is_acpi_static_node(fwnode)))
66 return;
67
68 kfree(fwnode);
69 }
70
71 /**
72 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with
73 * the PCI-defined class-code information
74 *
75 * @_cls : the class, subclass, prog-if triple for this device
76 * @_msk : the class mask for this device
77 *
78 * This macro is used to create a struct acpi_device_id that matches a
79 * specific PCI class. The .id and .driver_data fields will be left
80 * initialized with the default value.
81 */
82 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk),
83
has_acpi_companion(struct device * dev)84 static inline bool has_acpi_companion(struct device *dev)
85 {
86 return is_acpi_device_node(dev->fwnode);
87 }
88
acpi_preset_companion(struct device * dev,struct acpi_device * parent,u64 addr)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
acpi_dev_name(struct acpi_device * adev)95 static inline const char *acpi_dev_name(struct acpi_device *adev)
96 {
97 return dev_name(&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_COUNT
109 };
110
111 extern enum acpi_irq_model_id acpi_irq_model;
112
113 enum acpi_interrupt_id {
114 ACPI_INTERRUPT_PMI = 1,
115 ACPI_INTERRUPT_INIT,
116 ACPI_INTERRUPT_CPEI,
117 ACPI_INTERRUPT_COUNT
118 };
119
120 #define ACPI_SPACE_MEM 0
121
122 enum acpi_address_range_id {
123 ACPI_ADDRESS_RANGE_MEMORY = 1,
124 ACPI_ADDRESS_RANGE_RESERVED = 2,
125 ACPI_ADDRESS_RANGE_ACPI = 3,
126 ACPI_ADDRESS_RANGE_NVS = 4,
127 ACPI_ADDRESS_RANGE_COUNT
128 };
129
130
131 /* Table Handlers */
132 union acpi_subtable_headers {
133 struct acpi_subtable_header common;
134 struct acpi_hmat_structure hmat;
135 struct acpi_prmt_module_header prmt;
136 };
137
138 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
139
140 typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header,
141 const unsigned long end);
142
143 /* Debugger support */
144
145 struct acpi_debugger_ops {
146 int (*create_thread)(acpi_osd_exec_callback function, void *context);
147 ssize_t (*write_log)(const char *msg);
148 ssize_t (*read_cmd)(char *buffer, size_t length);
149 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
150 int (*notify_command_complete)(void);
151 };
152
153 struct acpi_debugger {
154 const struct acpi_debugger_ops *ops;
155 struct module *owner;
156 struct mutex lock;
157 };
158
159 #ifdef CONFIG_ACPI_DEBUGGER
160 int __init acpi_debugger_init(void);
161 int acpi_register_debugger(struct module *owner,
162 const struct acpi_debugger_ops *ops);
163 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
164 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
165 ssize_t acpi_debugger_write_log(const char *msg);
166 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
167 int acpi_debugger_wait_command_ready(void);
168 int acpi_debugger_notify_command_complete(void);
169 #else
acpi_debugger_init(void)170 static inline int acpi_debugger_init(void)
171 {
172 return -ENODEV;
173 }
174
acpi_register_debugger(struct module * owner,const struct acpi_debugger_ops * ops)175 static inline int acpi_register_debugger(struct module *owner,
176 const struct acpi_debugger_ops *ops)
177 {
178 return -ENODEV;
179 }
180
acpi_unregister_debugger(const struct acpi_debugger_ops * ops)181 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
182 {
183 }
184
acpi_debugger_create_thread(acpi_osd_exec_callback function,void * context)185 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
186 void *context)
187 {
188 return -ENODEV;
189 }
190
acpi_debugger_write_log(const char * msg)191 static inline int acpi_debugger_write_log(const char *msg)
192 {
193 return -ENODEV;
194 }
195
acpi_debugger_read_cmd(char * buffer,u32 buffer_length)196 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
197 {
198 return -ENODEV;
199 }
200
acpi_debugger_wait_command_ready(void)201 static inline int acpi_debugger_wait_command_ready(void)
202 {
203 return -ENODEV;
204 }
205
acpi_debugger_notify_command_complete(void)206 static inline int acpi_debugger_notify_command_complete(void)
207 {
208 return -ENODEV;
209 }
210 #endif
211
212 #define BAD_MADT_ENTRY(entry, end) ( \
213 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
214 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
215
216 struct acpi_subtable_proc {
217 int id;
218 acpi_tbl_entry_handler handler;
219 int count;
220 };
221
222 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
223 void __acpi_unmap_table(void __iomem *map, unsigned long size);
224 int early_acpi_boot_init(void);
225 int acpi_boot_init (void);
226 void acpi_boot_table_prepare (void);
227 void acpi_boot_table_init (void);
228 int acpi_mps_check (void);
229 int acpi_numa_init (void);
230
231 int acpi_locate_initial_tables (void);
232 void acpi_reserve_initial_tables (void);
233 void acpi_table_init_complete (void);
234 int acpi_table_init (void);
235 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
236 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
237 int entry_id,
238 acpi_tbl_entry_handler handler,
239 unsigned int max_entries);
240 int __init acpi_table_parse_entries_array(char *id, unsigned long table_size,
241 struct acpi_subtable_proc *proc, int proc_num,
242 unsigned int max_entries);
243 int acpi_table_parse_madt(enum acpi_madt_type id,
244 acpi_tbl_entry_handler handler,
245 unsigned int max_entries);
246 int acpi_parse_mcfg (struct acpi_table_header *header);
247 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
248
249 /* the following numa functions are architecture-dependent */
250 void acpi_numa_slit_init (struct acpi_table_slit *slit);
251
252 #if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_LOONGARCH)
253 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
254 #else
255 static inline void
acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity * pa)256 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
257 #endif
258
259 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
260
261 #ifdef CONFIG_ARM64
262 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
263 void acpi_arch_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size);
264 #else
265 static inline void
acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity * pa)266 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
267 static inline void
acpi_arch_dma_setup(struct device * dev,u64 * dma_addr,u64 * dma_size)268 acpi_arch_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size) { }
269 #endif
270
271 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
272
273 #ifndef PHYS_CPUID_INVALID
274 typedef u32 phys_cpuid_t;
275 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
276 #endif
277
invalid_logical_cpuid(u32 cpuid)278 static inline bool invalid_logical_cpuid(u32 cpuid)
279 {
280 return (int)cpuid < 0;
281 }
282
invalid_phys_cpuid(phys_cpuid_t phys_id)283 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
284 {
285 return phys_id == PHYS_CPUID_INVALID;
286 }
287
288 /* Validate the processor object's proc_id */
289 bool acpi_duplicate_processor_id(int proc_id);
290 /* Processor _CTS control */
291 struct acpi_processor_power;
292
293 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE
294 bool acpi_processor_claim_cst_control(void);
295 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
296 struct acpi_processor_power *info);
297 #else
acpi_processor_claim_cst_control(void)298 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)299 static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
300 struct acpi_processor_power *info)
301 {
302 return -ENODEV;
303 }
304 #endif
305
306 #ifdef CONFIG_ACPI_HOTPLUG_CPU
307 /* Arch dependent functions for cpu hotplug support */
308 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
309 int *pcpu);
310 int acpi_unmap_cpu(int cpu);
311 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
312
313 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
314 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
315 #endif
316
317 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
318 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
319 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
320 void acpi_irq_stats_init(void);
321 extern u32 acpi_irq_handled;
322 extern u32 acpi_irq_not_handled;
323 extern unsigned int acpi_sci_irq;
324 extern bool acpi_no_s5;
325 #define INVALID_ACPI_IRQ ((unsigned)-1)
acpi_sci_irq_valid(void)326 static inline bool acpi_sci_irq_valid(void)
327 {
328 return acpi_sci_irq != INVALID_ACPI_IRQ;
329 }
330
331 extern int sbf_port;
332 extern unsigned long acpi_realmode_flags;
333
334 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
335 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
336 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
337
338 void acpi_set_irq_model(enum acpi_irq_model_id model,
339 struct fwnode_handle *fwnode);
340
341 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
342 unsigned int size,
343 struct fwnode_handle *fwnode,
344 const struct irq_domain_ops *ops,
345 void *host_data);
346
347 #ifdef CONFIG_X86_IO_APIC
348 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
349 #else
acpi_get_override_irq(u32 gsi,int * trigger,int * polarity)350 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
351 {
352 return -1;
353 }
354 #endif
355 /*
356 * This function undoes the effect of one call to acpi_register_gsi().
357 * If this matches the last registration, any IRQ resources for gsi
358 * are freed.
359 */
360 void acpi_unregister_gsi (u32 gsi);
361
362 struct pci_dev;
363
364 int acpi_pci_irq_enable (struct pci_dev *dev);
365 void acpi_penalize_isa_irq(int irq, int active);
366 bool acpi_isa_irq_available(int irq);
367 #ifdef CONFIG_PCI
368 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
369 #else
acpi_penalize_sci_irq(int irq,int trigger,int polarity)370 static inline void acpi_penalize_sci_irq(int irq, int trigger,
371 int polarity)
372 {
373 }
374 #endif
375 void acpi_pci_irq_disable (struct pci_dev *dev);
376
377 extern int ec_read(u8 addr, u8 *val);
378 extern int ec_write(u8 addr, u8 val);
379 extern int ec_transaction(u8 command,
380 const u8 *wdata, unsigned wdata_len,
381 u8 *rdata, unsigned rdata_len);
382 extern acpi_handle ec_get_handle(void);
383
384 extern bool acpi_is_pnp_device(struct acpi_device *);
385
386 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
387
388 typedef void (*wmi_notify_handler) (u32 value, void *context);
389
390 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
391 u32 method_id,
392 const struct acpi_buffer *in,
393 struct acpi_buffer *out);
394 extern acpi_status wmi_query_block(const char *guid, u8 instance,
395 struct acpi_buffer *out);
396 extern acpi_status wmi_set_block(const char *guid, u8 instance,
397 const struct acpi_buffer *in);
398 extern acpi_status wmi_install_notify_handler(const char *guid,
399 wmi_notify_handler handler, void *data);
400 extern acpi_status wmi_remove_notify_handler(const char *guid);
401 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
402 extern bool wmi_has_guid(const char *guid);
403 extern char *wmi_get_acpi_device_uid(const char *guid);
404
405 #endif /* CONFIG_ACPI_WMI */
406
407 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
408 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
409 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
410 #define ACPI_VIDEO_BACKLIGHT 0x0008
411 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
412 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
413 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
414 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
415 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
416 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
417 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
418 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
419
420 extern char acpi_video_backlight_string[];
421 extern long acpi_is_video_device(acpi_handle handle);
422 extern int acpi_blacklisted(void);
423 extern void acpi_osi_setup(char *str);
424 extern bool acpi_osi_is_win8(void);
425
426 #ifdef CONFIG_ACPI_NUMA
427 int acpi_map_pxm_to_node(int pxm);
428 int acpi_get_node(acpi_handle handle);
429
430 /**
431 * pxm_to_online_node - Map proximity ID to online node
432 * @pxm: ACPI proximity ID
433 *
434 * This is similar to pxm_to_node(), but always returns an online
435 * node. When the mapped node from a given proximity ID is offline, it
436 * looks up the node distance table and returns the nearest online node.
437 *
438 * ACPI device drivers, which are called after the NUMA initialization has
439 * completed in the kernel, can call this interface to obtain their device
440 * NUMA topology from ACPI tables. Such drivers do not have to deal with
441 * offline nodes. A node may be offline when SRAT memory entry does not exist,
442 * or NUMA is disabled, ex. "numa=off" on x86.
443 */
pxm_to_online_node(int pxm)444 static inline int pxm_to_online_node(int pxm)
445 {
446 int node = pxm_to_node(pxm);
447
448 return numa_map_to_online_node(node);
449 }
450 #else
pxm_to_online_node(int pxm)451 static inline int pxm_to_online_node(int pxm)
452 {
453 return 0;
454 }
acpi_map_pxm_to_node(int pxm)455 static inline int acpi_map_pxm_to_node(int pxm)
456 {
457 return 0;
458 }
acpi_get_node(acpi_handle handle)459 static inline int acpi_get_node(acpi_handle handle)
460 {
461 return 0;
462 }
463 #endif
464 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
465
466 extern int pnpacpi_disabled;
467
468 #define PXM_INVAL (-1)
469
470 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
471 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
472 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
473 struct resource_win *win);
474 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
475 struct resource_win *win);
476 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
477 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
478 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
479 struct resource *res);
480
481 void acpi_dev_free_resource_list(struct list_head *list);
482 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
483 int (*preproc)(struct acpi_resource *, void *),
484 void *preproc_data);
485 int acpi_dev_get_dma_resources(struct acpi_device *adev,
486 struct list_head *list);
487 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
488 unsigned long types);
489
acpi_dev_filter_resource_type_cb(struct acpi_resource * ares,void * arg)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, (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 acpi_status acpi_release_memory(acpi_handle handle, struct resource *res,
504 u32 level);
505
506 int acpi_resources_are_enforced(void);
507
508 #ifdef CONFIG_HIBERNATION
509 void __init acpi_no_s4_hw_signature(void);
510 #endif
511
512 #ifdef CONFIG_PM_SLEEP
513 void __init acpi_old_suspend_ordering(void);
514 void __init acpi_nvs_nosave(void);
515 void __init acpi_nvs_nosave_s3(void);
516 void __init acpi_sleep_no_blacklist(void);
517 #endif /* CONFIG_PM_SLEEP */
518
519 int acpi_register_wakeup_handler(
520 int wake_irq, bool (*wakeup)(void *context), void *context);
521 void acpi_unregister_wakeup_handler(
522 bool (*wakeup)(void *context), void *context);
523
524 struct acpi_osc_context {
525 char *uuid_str; /* UUID string */
526 int rev;
527 struct acpi_buffer cap; /* list of DWORD capabilities */
528 struct acpi_buffer ret; /* free by caller if success */
529 };
530
531 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
532
533 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
534 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
535 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
536 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
537
538 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
539 #define OSC_QUERY_ENABLE 0x00000001 /* input */
540 #define OSC_REQUEST_ERROR 0x00000002 /* return */
541 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
542 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
543 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
544
545 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
546 #define OSC_SB_PAD_SUPPORT 0x00000001
547 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
548 #define OSC_SB_PR3_SUPPORT 0x00000004
549 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
550 #define OSC_SB_APEI_SUPPORT 0x00000010
551 #define OSC_SB_CPC_SUPPORT 0x00000020
552 #define OSC_SB_CPCV2_SUPPORT 0x00000040
553 #define OSC_SB_PCLPI_SUPPORT 0x00000080
554 #define OSC_SB_OSLPI_SUPPORT 0x00000100
555 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
556 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000
557 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
558 #define OSC_SB_PRM_SUPPORT 0x00200000
559
560 extern bool osc_sb_apei_support_acked;
561 extern bool osc_pc_lpi_support_confirmed;
562 extern bool osc_sb_native_usb4_support_confirmed;
563
564 /* USB4 Capabilities */
565 #define OSC_USB_USB3_TUNNELING 0x00000001
566 #define OSC_USB_DP_TUNNELING 0x00000002
567 #define OSC_USB_PCIE_TUNNELING 0x00000004
568 #define OSC_USB_XDOMAIN 0x00000008
569
570 extern u32 osc_sb_native_usb4_control;
571
572 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
573 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
574 #define OSC_PCI_ASPM_SUPPORT 0x00000002
575 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
576 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
577 #define OSC_PCI_MSI_SUPPORT 0x00000010
578 #define OSC_PCI_EDR_SUPPORT 0x00000080
579 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
580 #define OSC_PCI_SUPPORT_MASKS 0x0000019f
581
582 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
583 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
584 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
585 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
586 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
587 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
588 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
589 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
590 #define OSC_PCI_CONTROL_MASKS 0x000000bf
591
592 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
593 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
594 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
595 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
596 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
597 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
598 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
599 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
600 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
601 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
602
603 /* Enable _OST when all relevant hotplug operations are enabled */
604 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
605 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
606 defined(CONFIG_ACPI_CONTAINER)
607 #define ACPI_HOTPLUG_OST
608 #endif
609
610 /* _OST Source Event Code (OSPM Action) */
611 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
612 #define ACPI_OST_EC_OSPM_EJECT 0x103
613 #define ACPI_OST_EC_OSPM_INSERTION 0x200
614
615 /* _OST General Processing Status Code */
616 #define ACPI_OST_SC_SUCCESS 0x0
617 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
618 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
619
620 /* _OST OS Shutdown Processing (0x100) Status Code */
621 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
622 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
623 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
624 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
625
626 /* _OST Ejection Request (0x3, 0x103) Status Code */
627 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
628 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
629 #define ACPI_OST_SC_DEVICE_BUSY 0x82
630 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
631 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
632
633 /* _OST Insertion Request (0x200) Status Code */
634 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
635 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
636 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
637
638 enum acpi_predicate {
639 all_versions,
640 less_than_or_equal,
641 equal,
642 greater_than_or_equal,
643 };
644
645 /* Table must be terminted by a NULL entry */
646 struct acpi_platform_list {
647 char oem_id[ACPI_OEM_ID_SIZE+1];
648 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
649 u32 oem_revision;
650 char *table;
651 enum acpi_predicate pred;
652 char *reason;
653 u32 data;
654 };
655 int acpi_match_platform_list(const struct acpi_platform_list *plat);
656
657 extern void acpi_early_init(void);
658 extern void acpi_subsystem_init(void);
659 extern void arch_post_acpi_subsys_init(void);
660
661 extern int acpi_nvs_register(__u64 start, __u64 size);
662
663 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
664 void *data);
665
666 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
667 const struct device *dev);
668
669 const void *acpi_device_get_match_data(const struct device *dev);
670 extern bool acpi_driver_match_device(struct device *dev,
671 const struct device_driver *drv);
672 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
673 int acpi_device_modalias(struct device *, char *, int);
674
675 struct platform_device *acpi_create_platform_device(struct acpi_device *,
676 struct property_entry *);
677 #define ACPI_PTR(_ptr) (_ptr)
678
acpi_device_set_enumerated(struct acpi_device * adev)679 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
680 {
681 adev->flags.visited = true;
682 }
683
acpi_device_clear_enumerated(struct acpi_device * adev)684 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
685 {
686 adev->flags.visited = false;
687 }
688
689 enum acpi_reconfig_event {
690 ACPI_RECONFIG_DEVICE_ADD = 0,
691 ACPI_RECONFIG_DEVICE_REMOVE,
692 };
693
694 int acpi_reconfig_notifier_register(struct notifier_block *nb);
695 int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
696
697 #ifdef CONFIG_ACPI_GTDT
698 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
699 int acpi_gtdt_map_ppi(int type);
700 bool acpi_gtdt_c3stop(int type);
701 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
702 #endif
703
704 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
acpi_arch_set_root_pointer(u64 addr)705 static inline void acpi_arch_set_root_pointer(u64 addr)
706 {
707 }
708 #endif
709
710 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
acpi_arch_get_root_pointer(void)711 static inline u64 acpi_arch_get_root_pointer(void)
712 {
713 return 0;
714 }
715 #endif
716
717 int acpi_get_local_address(acpi_handle handle, u32 *addr);
718
719 #else /* !CONFIG_ACPI */
720
721 #define acpi_disabled 1
722
723 #define ACPI_COMPANION(dev) (NULL)
724 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
725 #define ACPI_HANDLE(dev) (NULL)
726 #define ACPI_HANDLE_FWNODE(fwnode) (NULL)
727 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0),
728
729 #include <acpi/acpi_numa.h>
730
731 struct fwnode_handle;
732
acpi_dev_found(const char * hid)733 static inline bool acpi_dev_found(const char *hid)
734 {
735 return false;
736 }
737
acpi_dev_present(const char * hid,const char * uid,s64 hrv)738 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
739 {
740 return false;
741 }
742
743 struct acpi_device;
744
745 static inline bool
acpi_dev_hid_uid_match(struct acpi_device * adev,const char * hid2,const char * uid2)746 acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2)
747 {
748 return false;
749 }
750
751 static inline struct acpi_device *
acpi_dev_get_first_match_dev(const char * hid,const char * uid,s64 hrv)752 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
753 {
754 return NULL;
755 }
756
acpi_reduced_hardware(void)757 static inline bool acpi_reduced_hardware(void)
758 {
759 return false;
760 }
761
acpi_dev_put(struct acpi_device * adev)762 static inline void acpi_dev_put(struct acpi_device *adev) {}
763
is_acpi_node(const struct fwnode_handle * fwnode)764 static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
765 {
766 return false;
767 }
768
is_acpi_device_node(const struct fwnode_handle * fwnode)769 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
770 {
771 return false;
772 }
773
to_acpi_device_node(const struct fwnode_handle * fwnode)774 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
775 {
776 return NULL;
777 }
778
is_acpi_data_node(const struct fwnode_handle * fwnode)779 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
780 {
781 return false;
782 }
783
to_acpi_data_node(const struct fwnode_handle * fwnode)784 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
785 {
786 return NULL;
787 }
788
acpi_data_node_match(const struct fwnode_handle * fwnode,const char * name)789 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
790 const char *name)
791 {
792 return false;
793 }
794
acpi_fwnode_handle(struct acpi_device * adev)795 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
796 {
797 return NULL;
798 }
799
has_acpi_companion(struct device * dev)800 static inline bool has_acpi_companion(struct device *dev)
801 {
802 return false;
803 }
804
acpi_preset_companion(struct device * dev,struct acpi_device * parent,u64 addr)805 static inline void acpi_preset_companion(struct device *dev,
806 struct acpi_device *parent, u64 addr)
807 {
808 }
809
acpi_dev_name(struct acpi_device * adev)810 static inline const char *acpi_dev_name(struct acpi_device *adev)
811 {
812 return NULL;
813 }
814
acpi_get_first_physical_node(struct acpi_device * adev)815 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
816 {
817 return NULL;
818 }
819
acpi_early_init(void)820 static inline void acpi_early_init(void) { }
acpi_subsystem_init(void)821 static inline void acpi_subsystem_init(void) { }
822
early_acpi_boot_init(void)823 static inline int early_acpi_boot_init(void)
824 {
825 return 0;
826 }
acpi_boot_init(void)827 static inline int acpi_boot_init(void)
828 {
829 return 0;
830 }
831
acpi_boot_table_prepare(void)832 static inline void acpi_boot_table_prepare(void)
833 {
834 }
835
acpi_boot_table_init(void)836 static inline void acpi_boot_table_init(void)
837 {
838 }
839
acpi_mps_check(void)840 static inline int acpi_mps_check(void)
841 {
842 return 0;
843 }
844
acpi_check_resource_conflict(struct resource * res)845 static inline int acpi_check_resource_conflict(struct resource *res)
846 {
847 return 0;
848 }
849
acpi_check_region(resource_size_t start,resource_size_t n,const char * name)850 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
851 const char *name)
852 {
853 return 0;
854 }
855
856 struct acpi_table_header;
acpi_table_parse(char * id,int (* handler)(struct acpi_table_header *))857 static inline int acpi_table_parse(char *id,
858 int (*handler)(struct acpi_table_header *))
859 {
860 return -ENODEV;
861 }
862
acpi_nvs_register(__u64 start,__u64 size)863 static inline int acpi_nvs_register(__u64 start, __u64 size)
864 {
865 return 0;
866 }
867
acpi_nvs_for_each_region(int (* func)(__u64,__u64,void *),void * data)868 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
869 void *data)
870 {
871 return 0;
872 }
873
874 struct acpi_device_id;
875
acpi_match_device(const struct acpi_device_id * ids,const struct device * dev)876 static inline const struct acpi_device_id *acpi_match_device(
877 const struct acpi_device_id *ids, const struct device *dev)
878 {
879 return NULL;
880 }
881
acpi_device_get_match_data(const struct device * dev)882 static inline const void *acpi_device_get_match_data(const struct device *dev)
883 {
884 return NULL;
885 }
886
acpi_driver_match_device(struct device * dev,const struct device_driver * drv)887 static inline bool acpi_driver_match_device(struct device *dev,
888 const struct device_driver *drv)
889 {
890 return false;
891 }
892
acpi_evaluate_dsm(acpi_handle handle,const guid_t * guid,u64 rev,u64 func,union acpi_object * argv4)893 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
894 const guid_t *guid,
895 u64 rev, u64 func,
896 union acpi_object *argv4)
897 {
898 return NULL;
899 }
900
acpi_device_uevent_modalias(struct device * dev,struct kobj_uevent_env * env)901 static inline int acpi_device_uevent_modalias(struct device *dev,
902 struct kobj_uevent_env *env)
903 {
904 return -ENODEV;
905 }
906
acpi_device_modalias(struct device * dev,char * buf,int size)907 static inline int acpi_device_modalias(struct device *dev,
908 char *buf, int size)
909 {
910 return -ENODEV;
911 }
912
913 static inline struct platform_device *
acpi_create_platform_device(struct acpi_device * adev,struct property_entry * properties)914 acpi_create_platform_device(struct acpi_device *adev,
915 struct property_entry *properties)
916 {
917 return NULL;
918 }
919
acpi_dma_supported(const struct acpi_device * adev)920 static inline bool acpi_dma_supported(const struct acpi_device *adev)
921 {
922 return false;
923 }
924
acpi_get_dma_attr(struct acpi_device * adev)925 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
926 {
927 return DEV_DMA_NOT_SUPPORTED;
928 }
929
acpi_dma_get_range(struct device * dev,u64 * dma_addr,u64 * offset,u64 * size)930 static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr,
931 u64 *offset, u64 *size)
932 {
933 return -ENODEV;
934 }
935
acpi_dma_configure(struct device * dev,enum dev_dma_attr attr)936 static inline int acpi_dma_configure(struct device *dev,
937 enum dev_dma_attr attr)
938 {
939 return 0;
940 }
941
acpi_dma_configure_id(struct device * dev,enum dev_dma_attr attr,const u32 * input_id)942 static inline int acpi_dma_configure_id(struct device *dev,
943 enum dev_dma_attr attr,
944 const u32 *input_id)
945 {
946 return 0;
947 }
948
949 #define ACPI_PTR(_ptr) (NULL)
950
acpi_device_set_enumerated(struct acpi_device * adev)951 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
952 {
953 }
954
acpi_device_clear_enumerated(struct acpi_device * adev)955 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
956 {
957 }
958
acpi_reconfig_notifier_register(struct notifier_block * nb)959 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
960 {
961 return -EINVAL;
962 }
963
acpi_reconfig_notifier_unregister(struct notifier_block * nb)964 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
965 {
966 return -EINVAL;
967 }
968
acpi_resource_consumer(struct resource * res)969 static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
970 {
971 return NULL;
972 }
973
acpi_get_local_address(acpi_handle handle,u32 * addr)974 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
975 {
976 return -ENODEV;
977 }
978
979 #endif /* !CONFIG_ACPI */
980
981 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
982 int acpi_ioapic_add(acpi_handle root);
983 #else
acpi_ioapic_add(acpi_handle root)984 static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
985 #endif
986
987 #ifdef CONFIG_ACPI
988 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
989 u32 pm1a_ctrl, u32 pm1b_ctrl));
990
991 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
992 u32 pm1a_control, u32 pm1b_control);
993
994 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
995 u32 val_a, u32 val_b));
996
997 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
998 u32 val_a, u32 val_b);
999
1000 #ifndef CONFIG_IA64
1001 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1002 #else
arch_reserve_mem_area(acpi_physical_address addr,size_t size)1003 static inline void arch_reserve_mem_area(acpi_physical_address addr,
1004 size_t size)
1005 {
1006 }
1007 #endif /* CONFIG_X86 */
1008 #else
1009 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1010 #endif
1011
1012 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1013 int acpi_dev_suspend(struct device *dev, bool wakeup);
1014 int acpi_dev_resume(struct device *dev);
1015 int acpi_subsys_runtime_suspend(struct device *dev);
1016 int acpi_subsys_runtime_resume(struct device *dev);
1017 int acpi_dev_pm_attach(struct device *dev, bool power_on);
1018 bool acpi_storage_d3(struct device *dev);
1019 #else
acpi_subsys_runtime_suspend(struct device * dev)1020 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
acpi_subsys_runtime_resume(struct device * dev)1021 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
acpi_dev_pm_attach(struct device * dev,bool power_on)1022 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1023 {
1024 return 0;
1025 }
acpi_storage_d3(struct device * dev)1026 static inline bool acpi_storage_d3(struct device *dev)
1027 {
1028 return false;
1029 }
1030 #endif
1031
1032 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1033 int acpi_subsys_prepare(struct device *dev);
1034 void acpi_subsys_complete(struct device *dev);
1035 int acpi_subsys_suspend_late(struct device *dev);
1036 int acpi_subsys_suspend_noirq(struct device *dev);
1037 int acpi_subsys_suspend(struct device *dev);
1038 int acpi_subsys_freeze(struct device *dev);
1039 int acpi_subsys_poweroff(struct device *dev);
1040 void acpi_ec_mark_gpe_for_wake(void);
1041 void acpi_ec_set_gpe_wake_mask(u8 action);
1042 #else
acpi_subsys_prepare(struct device * dev)1043 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
acpi_subsys_complete(struct device * dev)1044 static inline void acpi_subsys_complete(struct device *dev) {}
acpi_subsys_suspend_late(struct device * dev)1045 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
acpi_subsys_suspend_noirq(struct device * dev)1046 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
acpi_subsys_suspend(struct device * dev)1047 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
acpi_subsys_freeze(struct device * dev)1048 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
acpi_subsys_poweroff(struct device * dev)1049 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
acpi_ec_mark_gpe_for_wake(void)1050 static inline void acpi_ec_mark_gpe_for_wake(void) {}
acpi_ec_set_gpe_wake_mask(u8 action)1051 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1052 #endif
1053
1054 #ifdef CONFIG_ACPI
1055 __printf(3, 4)
1056 void acpi_handle_printk(const char *level, acpi_handle handle,
1057 const char *fmt, ...);
1058 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1059 acpi_status status);
1060 #else /* !CONFIG_ACPI */
1061 static inline __printf(3, 4) void
acpi_handle_printk(const char * level,void * handle,const char * fmt,...)1062 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
acpi_evaluation_failure_warn(acpi_handle handle,const char * name,acpi_status status)1063 static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1064 const char *name,
1065 acpi_status status) {}
1066 #endif /* !CONFIG_ACPI */
1067
1068 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1069 __printf(3, 4)
1070 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1071 #endif
1072
1073 /*
1074 * acpi_handle_<level>: Print message with ACPI prefix and object path
1075 *
1076 * These interfaces acquire the global namespace mutex to obtain an object
1077 * path. In interrupt context, it shows the object path as <n/a>.
1078 */
1079 #define acpi_handle_emerg(handle, fmt, ...) \
1080 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1081 #define acpi_handle_alert(handle, fmt, ...) \
1082 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1083 #define acpi_handle_crit(handle, fmt, ...) \
1084 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1085 #define acpi_handle_err(handle, fmt, ...) \
1086 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1087 #define acpi_handle_warn(handle, fmt, ...) \
1088 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1089 #define acpi_handle_notice(handle, fmt, ...) \
1090 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1091 #define acpi_handle_info(handle, fmt, ...) \
1092 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1093
1094 #if defined(DEBUG)
1095 #define acpi_handle_debug(handle, fmt, ...) \
1096 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1097 #else
1098 #if defined(CONFIG_DYNAMIC_DEBUG)
1099 #define acpi_handle_debug(handle, fmt, ...) \
1100 _dynamic_func_call(fmt, __acpi_handle_debug, \
1101 handle, pr_fmt(fmt), ##__VA_ARGS__)
1102 #else
1103 #define acpi_handle_debug(handle, fmt, ...) \
1104 ({ \
1105 if (0) \
1106 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1107 0; \
1108 })
1109 #endif
1110 #endif
1111
1112 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1113 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1114 struct acpi_resource_gpio **agpio);
1115 bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1116 struct acpi_resource_gpio **agpio);
1117 int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, int index);
1118 #else
acpi_gpio_get_irq_resource(struct acpi_resource * ares,struct acpi_resource_gpio ** agpio)1119 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1120 struct acpi_resource_gpio **agpio)
1121 {
1122 return false;
1123 }
acpi_gpio_get_io_resource(struct acpi_resource * ares,struct acpi_resource_gpio ** agpio)1124 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1125 struct acpi_resource_gpio **agpio)
1126 {
1127 return false;
1128 }
acpi_dev_gpio_irq_get_by(struct acpi_device * adev,const char * name,int index)1129 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev,
1130 const char *name, int index)
1131 {
1132 return -ENXIO;
1133 }
1134 #endif
1135
acpi_dev_gpio_irq_get(struct acpi_device * adev,int index)1136 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1137 {
1138 return acpi_dev_gpio_irq_get_by(adev, NULL, index);
1139 }
1140
1141 /* Device properties */
1142
1143 #ifdef CONFIG_ACPI
1144 int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1145 acpi_object_type type, const union acpi_object **obj);
1146 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1147 const char *name, size_t index, size_t num_args,
1148 struct fwnode_reference_args *args);
1149
acpi_node_get_property_reference(const struct fwnode_handle * fwnode,const char * name,size_t index,struct fwnode_reference_args * args)1150 static inline int acpi_node_get_property_reference(
1151 const struct fwnode_handle *fwnode,
1152 const char *name, size_t index,
1153 struct fwnode_reference_args *args)
1154 {
1155 return __acpi_node_get_property_reference(fwnode, name, index,
1156 NR_FWNODE_REFERENCE_ARGS, args);
1157 }
1158
acpi_dev_has_props(const struct acpi_device * adev)1159 static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1160 {
1161 return !list_empty(&adev->data.properties);
1162 }
1163
1164 struct acpi_device_properties *
1165 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1166 const union acpi_object *properties);
1167
1168 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1169 void **valptr);
1170
1171 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1172 struct fwnode_handle *child);
1173 struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode);
1174
1175 struct acpi_probe_entry;
1176 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1177 struct acpi_probe_entry *);
1178
1179 #define ACPI_TABLE_ID_LEN 5
1180
1181 /**
1182 * struct acpi_probe_entry - boot-time probing entry
1183 * @id: ACPI table name
1184 * @type: Optional subtable type to match
1185 * (if @id contains subtables)
1186 * @subtable_valid: Optional callback to check the validity of
1187 * the subtable
1188 * @probe_table: Callback to the driver being probed when table
1189 * match is successful
1190 * @probe_subtbl: Callback to the driver being probed when table and
1191 * subtable match (and optional callback is successful)
1192 * @driver_data: Sideband data provided back to the driver
1193 */
1194 struct acpi_probe_entry {
1195 __u8 id[ACPI_TABLE_ID_LEN];
1196 __u8 type;
1197 acpi_probe_entry_validate_subtbl subtable_valid;
1198 union {
1199 acpi_tbl_table_handler probe_table;
1200 acpi_tbl_entry_handler probe_subtbl;
1201 };
1202 kernel_ulong_t driver_data;
1203 };
1204
1205 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1206 valid, data, fn) \
1207 static const struct acpi_probe_entry __acpi_probe_##name \
1208 __used __section("__" #table "_acpi_probe_table") = { \
1209 .id = table_id, \
1210 .type = subtable, \
1211 .subtable_valid = valid, \
1212 .probe_table = fn, \
1213 .driver_data = data, \
1214 }
1215
1216 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1217 subtable, valid, data, fn) \
1218 static const struct acpi_probe_entry __acpi_probe_##name \
1219 __used __section("__" #table "_acpi_probe_table") = { \
1220 .id = table_id, \
1221 .type = subtable, \
1222 .subtable_valid = valid, \
1223 .probe_subtbl = fn, \
1224 .driver_data = data, \
1225 }
1226
1227 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1228 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1229
1230 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1231
1232 #define acpi_probe_device_table(t) \
1233 ({ \
1234 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1235 ACPI_PROBE_TABLE_END(t); \
1236 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1237 (&ACPI_PROBE_TABLE_END(t) - \
1238 &ACPI_PROBE_TABLE(t))); \
1239 })
1240 #else
acpi_dev_get_property(struct acpi_device * adev,const char * name,acpi_object_type type,const union acpi_object ** obj)1241 static inline int acpi_dev_get_property(struct acpi_device *adev,
1242 const char *name, acpi_object_type type,
1243 const union acpi_object **obj)
1244 {
1245 return -ENXIO;
1246 }
1247
1248 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)1249 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1250 const char *name, size_t index, size_t num_args,
1251 struct fwnode_reference_args *args)
1252 {
1253 return -ENXIO;
1254 }
1255
1256 static inline int
acpi_node_get_property_reference(const struct fwnode_handle * fwnode,const char * name,size_t index,struct fwnode_reference_args * args)1257 acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1258 const char *name, size_t index,
1259 struct fwnode_reference_args *args)
1260 {
1261 return -ENXIO;
1262 }
1263
acpi_node_prop_get(const struct fwnode_handle * fwnode,const char * propname,void ** valptr)1264 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1265 const char *propname,
1266 void **valptr)
1267 {
1268 return -ENXIO;
1269 }
1270
1271 static inline struct fwnode_handle *
acpi_get_next_subnode(const struct fwnode_handle * fwnode,struct fwnode_handle * child)1272 acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1273 struct fwnode_handle *child)
1274 {
1275 return NULL;
1276 }
1277
1278 static inline struct fwnode_handle *
acpi_node_get_parent(const struct fwnode_handle * fwnode)1279 acpi_node_get_parent(const struct fwnode_handle *fwnode)
1280 {
1281 return NULL;
1282 }
1283
1284 static inline struct fwnode_handle *
acpi_graph_get_next_endpoint(const struct fwnode_handle * fwnode,struct fwnode_handle * prev)1285 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1286 struct fwnode_handle *prev)
1287 {
1288 return ERR_PTR(-ENXIO);
1289 }
1290
1291 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)1292 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1293 struct fwnode_handle **remote,
1294 struct fwnode_handle **port,
1295 struct fwnode_handle **endpoint)
1296 {
1297 return -ENXIO;
1298 }
1299
1300 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1301 static const void * __acpi_table_##name[] \
1302 __attribute__((unused)) \
1303 = { (void *) table_id, \
1304 (void *) subtable, \
1305 (void *) valid, \
1306 (void *) fn, \
1307 (void *) data }
1308
1309 #define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1310 #endif
1311
1312 #ifdef CONFIG_ACPI_TABLE_UPGRADE
1313 void acpi_table_upgrade(void);
1314 #else
acpi_table_upgrade(void)1315 static inline void acpi_table_upgrade(void) { }
1316 #endif
1317
1318 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1319 extern bool acpi_has_watchdog(void);
1320 #else
acpi_has_watchdog(void)1321 static inline bool acpi_has_watchdog(void) { return false; }
1322 #endif
1323
1324 #ifdef CONFIG_ACPI_SPCR_TABLE
1325 extern bool qdf2400_e44_present;
1326 int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1327 #else
acpi_parse_spcr(bool enable_earlycon,bool enable_console)1328 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1329 {
1330 return 0;
1331 }
1332 #endif
1333
1334 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1335 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1336 #else
1337 static inline
acpi_irq_get(acpi_handle handle,unsigned int index,struct resource * res)1338 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1339 {
1340 return -EINVAL;
1341 }
1342 #endif
1343
1344 #ifdef CONFIG_ACPI_LPIT
1345 int lpit_read_residency_count_address(u64 *address);
1346 #else
lpit_read_residency_count_address(u64 * address)1347 static inline int lpit_read_residency_count_address(u64 *address)
1348 {
1349 return -EINVAL;
1350 }
1351 #endif
1352
1353 #ifdef CONFIG_ACPI_PPTT
1354 int acpi_pptt_cpu_is_thread(unsigned int cpu);
1355 int find_acpi_cpu_topology(unsigned int cpu, int level);
1356 int find_acpi_cpu_topology_package(unsigned int cpu);
1357 int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1358 int find_acpi_cpu_cache_topology(unsigned int cpu, int level);
1359 #else
acpi_pptt_cpu_is_thread(unsigned int cpu)1360 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1361 {
1362 return -EINVAL;
1363 }
find_acpi_cpu_topology(unsigned int cpu,int level)1364 static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1365 {
1366 return -EINVAL;
1367 }
find_acpi_cpu_topology_package(unsigned int cpu)1368 static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1369 {
1370 return -EINVAL;
1371 }
find_acpi_cpu_topology_hetero_id(unsigned int cpu)1372 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1373 {
1374 return -EINVAL;
1375 }
find_acpi_cpu_cache_topology(unsigned int cpu,int level)1376 static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level)
1377 {
1378 return -EINVAL;
1379 }
1380 #endif
1381
1382 #ifdef CONFIG_ACPI
1383 extern void acpi_device_notify(struct device *dev);
1384 extern void acpi_device_notify_remove(struct device *dev);
1385 #else
acpi_device_notify(struct device * dev)1386 static inline void acpi_device_notify(struct device *dev) { }
acpi_device_notify_remove(struct device * dev)1387 static inline void acpi_device_notify_remove(struct device *dev) { }
1388 #endif
1389
1390 #endif /*_LINUX_ACPI_H*/
1391
