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 	struct acpi_cedt_header cedt;
137 };
138 
139 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
140 
141 typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header,
142 				      const unsigned long end);
143 
144 typedef int (*acpi_tbl_entry_handler_arg)(union acpi_subtable_headers *header,
145 					  void *arg, const unsigned long end);
146 
147 /* Debugger support */
148 
149 struct acpi_debugger_ops {
150 	int (*create_thread)(acpi_osd_exec_callback function, void *context);
151 	ssize_t (*write_log)(const char *msg);
152 	ssize_t (*read_cmd)(char *buffer, size_t length);
153 	int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
154 	int (*notify_command_complete)(void);
155 };
156 
157 struct acpi_debugger {
158 	const struct acpi_debugger_ops *ops;
159 	struct module *owner;
160 	struct mutex lock;
161 };
162 
163 #ifdef CONFIG_ACPI_DEBUGGER
164 int __init acpi_debugger_init(void);
165 int acpi_register_debugger(struct module *owner,
166 			   const struct acpi_debugger_ops *ops);
167 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
168 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
169 ssize_t acpi_debugger_write_log(const char *msg);
170 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
171 int acpi_debugger_wait_command_ready(void);
172 int acpi_debugger_notify_command_complete(void);
173 #else
acpi_debugger_init(void)174 static inline int acpi_debugger_init(void)
175 {
176 	return -ENODEV;
177 }
178 
acpi_register_debugger(struct module * owner,const struct acpi_debugger_ops * ops)179 static inline int acpi_register_debugger(struct module *owner,
180 					 const struct acpi_debugger_ops *ops)
181 {
182 	return -ENODEV;
183 }
184 
acpi_unregister_debugger(const struct acpi_debugger_ops * ops)185 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
186 {
187 }
188 
acpi_debugger_create_thread(acpi_osd_exec_callback function,void * context)189 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
190 					      void *context)
191 {
192 	return -ENODEV;
193 }
194 
acpi_debugger_write_log(const char * msg)195 static inline int acpi_debugger_write_log(const char *msg)
196 {
197 	return -ENODEV;
198 }
199 
acpi_debugger_read_cmd(char * buffer,u32 buffer_length)200 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
201 {
202 	return -ENODEV;
203 }
204 
acpi_debugger_wait_command_ready(void)205 static inline int acpi_debugger_wait_command_ready(void)
206 {
207 	return -ENODEV;
208 }
209 
acpi_debugger_notify_command_complete(void)210 static inline int acpi_debugger_notify_command_complete(void)
211 {
212 	return -ENODEV;
213 }
214 #endif
215 
216 #define BAD_MADT_ENTRY(entry, end) (					    \
217 		(!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
218 		((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
219 
220 struct acpi_subtable_proc {
221 	int id;
222 	acpi_tbl_entry_handler handler;
223 	acpi_tbl_entry_handler_arg handler_arg;
224 	void *arg;
225 	int count;
226 };
227 
228 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
229 void __acpi_unmap_table(void __iomem *map, unsigned long size);
230 int early_acpi_boot_init(void);
231 int acpi_boot_init (void);
232 void acpi_boot_table_prepare (void);
233 void acpi_boot_table_init (void);
234 int acpi_mps_check (void);
235 int acpi_numa_init (void);
236 
237 int acpi_locate_initial_tables (void);
238 void acpi_reserve_initial_tables (void);
239 void acpi_table_init_complete (void);
240 int acpi_table_init (void);
241 
242 #ifdef CONFIG_ACPI_TABLE_LIB
243 #define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI)
244 #define __init_or_acpilib
245 #define __initdata_or_acpilib
246 #else
247 #define EXPORT_SYMBOL_ACPI_LIB(x)
248 #define __init_or_acpilib __init
249 #define __initdata_or_acpilib __initdata
250 #endif
251 
252 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
253 int __init_or_acpilib acpi_table_parse_entries(char *id,
254 		unsigned long table_size, int entry_id,
255 		acpi_tbl_entry_handler handler, unsigned int max_entries);
256 int __init_or_acpilib acpi_table_parse_entries_array(char *id,
257 		unsigned long table_size, struct acpi_subtable_proc *proc,
258 		int proc_num, unsigned int max_entries);
259 int acpi_table_parse_madt(enum acpi_madt_type id,
260 			  acpi_tbl_entry_handler handler,
261 			  unsigned int max_entries);
262 int __init_or_acpilib
263 acpi_table_parse_cedt(enum acpi_cedt_type id,
264 		      acpi_tbl_entry_handler_arg handler_arg, void *arg);
265 
266 int acpi_parse_mcfg (struct acpi_table_header *header);
267 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
268 
269 /* the following numa functions are architecture-dependent */
270 void acpi_numa_slit_init (struct acpi_table_slit *slit);
271 
272 #if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_LOONGARCH)
273 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
274 #else
275 static inline void
acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity * pa)276 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
277 #endif
278 
279 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
280 
281 #ifdef CONFIG_ARM64
282 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
283 void acpi_arch_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size);
284 #else
285 static inline void
acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity * pa)286 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
287 static inline void
acpi_arch_dma_setup(struct device * dev,u64 * dma_addr,u64 * dma_size)288 acpi_arch_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size) { }
289 #endif
290 
291 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
292 
293 #ifndef PHYS_CPUID_INVALID
294 typedef u32 phys_cpuid_t;
295 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
296 #endif
297 
invalid_logical_cpuid(u32 cpuid)298 static inline bool invalid_logical_cpuid(u32 cpuid)
299 {
300 	return (int)cpuid < 0;
301 }
302 
invalid_phys_cpuid(phys_cpuid_t phys_id)303 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
304 {
305 	return phys_id == PHYS_CPUID_INVALID;
306 }
307 
308 /* Validate the processor object's proc_id */
309 bool acpi_duplicate_processor_id(int proc_id);
310 /* Processor _CTS control */
311 struct acpi_processor_power;
312 
313 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE
314 bool acpi_processor_claim_cst_control(void);
315 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
316 				struct acpi_processor_power *info);
317 #else
acpi_processor_claim_cst_control(void)318 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)319 static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
320 					      struct acpi_processor_power *info)
321 {
322 	return -ENODEV;
323 }
324 #endif
325 
326 #ifdef CONFIG_ACPI_HOTPLUG_CPU
327 /* Arch dependent functions for cpu hotplug support */
328 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
329 		 int *pcpu);
330 int acpi_unmap_cpu(int cpu);
331 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
332 
333 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
334 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
335 #endif
336 
337 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
338 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
339 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
340 void acpi_irq_stats_init(void);
341 extern u32 acpi_irq_handled;
342 extern u32 acpi_irq_not_handled;
343 extern unsigned int acpi_sci_irq;
344 extern bool acpi_no_s5;
345 #define INVALID_ACPI_IRQ	((unsigned)-1)
acpi_sci_irq_valid(void)346 static inline bool acpi_sci_irq_valid(void)
347 {
348 	return acpi_sci_irq != INVALID_ACPI_IRQ;
349 }
350 
351 extern int sbf_port;
352 extern unsigned long acpi_realmode_flags;
353 
354 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
355 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
356 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
357 
358 void acpi_set_irq_model(enum acpi_irq_model_id model,
359 			struct fwnode_handle *fwnode);
360 
361 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
362 					     unsigned int size,
363 					     struct fwnode_handle *fwnode,
364 					     const struct irq_domain_ops *ops,
365 					     void *host_data);
366 
367 #ifdef CONFIG_X86_IO_APIC
368 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
369 #else
acpi_get_override_irq(u32 gsi,int * trigger,int * polarity)370 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
371 {
372 	return -1;
373 }
374 #endif
375 /*
376  * This function undoes the effect of one call to acpi_register_gsi().
377  * If this matches the last registration, any IRQ resources for gsi
378  * are freed.
379  */
380 void acpi_unregister_gsi (u32 gsi);
381 
382 struct pci_dev;
383 
384 int acpi_pci_irq_enable (struct pci_dev *dev);
385 void acpi_penalize_isa_irq(int irq, int active);
386 bool acpi_isa_irq_available(int irq);
387 #ifdef CONFIG_PCI
388 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
389 #else
acpi_penalize_sci_irq(int irq,int trigger,int polarity)390 static inline void acpi_penalize_sci_irq(int irq, int trigger,
391 					int polarity)
392 {
393 }
394 #endif
395 void acpi_pci_irq_disable (struct pci_dev *dev);
396 
397 extern int ec_read(u8 addr, u8 *val);
398 extern int ec_write(u8 addr, u8 val);
399 extern int ec_transaction(u8 command,
400                           const u8 *wdata, unsigned wdata_len,
401                           u8 *rdata, unsigned rdata_len);
402 extern acpi_handle ec_get_handle(void);
403 
404 extern bool acpi_is_pnp_device(struct acpi_device *);
405 
406 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
407 
408 typedef void (*wmi_notify_handler) (u32 value, void *context);
409 
410 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
411 					u32 method_id,
412 					const struct acpi_buffer *in,
413 					struct acpi_buffer *out);
414 extern acpi_status wmi_query_block(const char *guid, u8 instance,
415 					struct acpi_buffer *out);
416 extern acpi_status wmi_set_block(const char *guid, u8 instance,
417 					const struct acpi_buffer *in);
418 extern acpi_status wmi_install_notify_handler(const char *guid,
419 					wmi_notify_handler handler, void *data);
420 extern acpi_status wmi_remove_notify_handler(const char *guid);
421 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
422 extern bool wmi_has_guid(const char *guid);
423 extern char *wmi_get_acpi_device_uid(const char *guid);
424 
425 #endif	/* CONFIG_ACPI_WMI */
426 
427 #define ACPI_VIDEO_OUTPUT_SWITCHING			0x0001
428 #define ACPI_VIDEO_DEVICE_POSTING			0x0002
429 #define ACPI_VIDEO_ROM_AVAILABLE			0x0004
430 #define ACPI_VIDEO_BACKLIGHT				0x0008
431 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR		0x0010
432 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO		0x0020
433 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR	0x0040
434 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO		0x0080
435 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR			0x0100
436 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO			0x0200
437 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR		0x0400
438 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO		0x0800
439 
440 extern char acpi_video_backlight_string[];
441 extern long acpi_is_video_device(acpi_handle handle);
442 extern int acpi_blacklisted(void);
443 extern void acpi_osi_setup(char *str);
444 extern bool acpi_osi_is_win8(void);
445 
446 #ifdef CONFIG_ACPI_NUMA
447 int acpi_map_pxm_to_node(int pxm);
448 int acpi_get_node(acpi_handle handle);
449 
450 /**
451  * pxm_to_online_node - Map proximity ID to online node
452  * @pxm: ACPI proximity ID
453  *
454  * This is similar to pxm_to_node(), but always returns an online
455  * node.  When the mapped node from a given proximity ID is offline, it
456  * looks up the node distance table and returns the nearest online node.
457  *
458  * ACPI device drivers, which are called after the NUMA initialization has
459  * completed in the kernel, can call this interface to obtain their device
460  * NUMA topology from ACPI tables.  Such drivers do not have to deal with
461  * offline nodes.  A node may be offline when SRAT memory entry does not exist,
462  * or NUMA is disabled, ex. "numa=off" on x86.
463  */
pxm_to_online_node(int pxm)464 static inline int pxm_to_online_node(int pxm)
465 {
466 	int node = pxm_to_node(pxm);
467 
468 	return numa_map_to_online_node(node);
469 }
470 #else
pxm_to_online_node(int pxm)471 static inline int pxm_to_online_node(int pxm)
472 {
473 	return 0;
474 }
acpi_map_pxm_to_node(int pxm)475 static inline int acpi_map_pxm_to_node(int pxm)
476 {
477 	return 0;
478 }
acpi_get_node(acpi_handle handle)479 static inline int acpi_get_node(acpi_handle handle)
480 {
481 	return 0;
482 }
483 #endif
484 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
485 
486 extern int pnpacpi_disabled;
487 
488 #define PXM_INVAL	(-1)
489 
490 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
491 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
492 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
493 				     struct resource_win *win);
494 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
495 					 struct resource_win *win);
496 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
497 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
498 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
499 				 struct resource *res);
500 
501 void acpi_dev_free_resource_list(struct list_head *list);
502 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
503 			   int (*preproc)(struct acpi_resource *, void *),
504 			   void *preproc_data);
505 int acpi_dev_get_dma_resources(struct acpi_device *adev,
506 			       struct list_head *list);
507 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
508 				  unsigned long types);
509 
acpi_dev_filter_resource_type_cb(struct acpi_resource * ares,void * arg)510 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
511 						   void *arg)
512 {
513 	return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
514 }
515 
516 struct acpi_device *acpi_resource_consumer(struct resource *res);
517 
518 int acpi_check_resource_conflict(const struct resource *res);
519 
520 int acpi_check_region(resource_size_t start, resource_size_t n,
521 		      const char *name);
522 
523 int acpi_resources_are_enforced(void);
524 
525 #ifdef CONFIG_HIBERNATION
526 extern int acpi_check_s4_hw_signature;
527 #endif
528 
529 #ifdef CONFIG_PM_SLEEP
530 void __init acpi_old_suspend_ordering(void);
531 void __init acpi_nvs_nosave(void);
532 void __init acpi_nvs_nosave_s3(void);
533 void __init acpi_sleep_no_blacklist(void);
534 #endif /* CONFIG_PM_SLEEP */
535 
536 int acpi_register_wakeup_handler(
537 	int wake_irq, bool (*wakeup)(void *context), void *context);
538 void acpi_unregister_wakeup_handler(
539 	bool (*wakeup)(void *context), void *context);
540 
541 struct acpi_osc_context {
542 	char *uuid_str;			/* UUID string */
543 	int rev;
544 	struct acpi_buffer cap;		/* list of DWORD capabilities */
545 	struct acpi_buffer ret;		/* free by caller if success */
546 };
547 
548 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
549 
550 /* Number of _OSC capability DWORDS depends on bridge type */
551 #define OSC_PCI_CAPABILITY_DWORDS		3
552 #define OSC_CXL_CAPABILITY_DWORDS		5
553 
554 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */
555 #define OSC_QUERY_DWORD				0	/* DWORD 1 */
556 #define OSC_SUPPORT_DWORD			1	/* DWORD 2 */
557 #define OSC_CONTROL_DWORD			2	/* DWORD 3 */
558 #define OSC_EXT_SUPPORT_DWORD			3	/* DWORD 4 */
559 #define OSC_EXT_CONTROL_DWORD			4	/* DWORD 5 */
560 
561 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
562 #define OSC_QUERY_ENABLE			0x00000001  /* input */
563 #define OSC_REQUEST_ERROR			0x00000002  /* return */
564 #define OSC_INVALID_UUID_ERROR			0x00000004  /* return */
565 #define OSC_INVALID_REVISION_ERROR		0x00000008  /* return */
566 #define OSC_CAPABILITIES_MASK_ERROR		0x00000010  /* return */
567 
568 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
569 #define OSC_SB_PAD_SUPPORT			0x00000001
570 #define OSC_SB_PPC_OST_SUPPORT			0x00000002
571 #define OSC_SB_PR3_SUPPORT			0x00000004
572 #define OSC_SB_HOTPLUG_OST_SUPPORT		0x00000008
573 #define OSC_SB_APEI_SUPPORT			0x00000010
574 #define OSC_SB_CPC_SUPPORT			0x00000020
575 #define OSC_SB_CPCV2_SUPPORT			0x00000040
576 #define OSC_SB_PCLPI_SUPPORT			0x00000080
577 #define OSC_SB_OSLPI_SUPPORT			0x00000100
578 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT		0x00001000
579 #define OSC_SB_GENERIC_INITIATOR_SUPPORT	0x00002000
580 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE		0x00004000
581 #define OSC_SB_NATIVE_USB4_SUPPORT		0x00040000
582 #define OSC_SB_PRM_SUPPORT			0x00200000
583 
584 extern bool osc_sb_apei_support_acked;
585 extern bool osc_pc_lpi_support_confirmed;
586 extern bool osc_sb_native_usb4_support_confirmed;
587 extern bool osc_sb_cppc2_support_acked;
588 extern bool osc_cpc_flexible_adr_space_confirmed;
589 
590 /* USB4 Capabilities */
591 #define OSC_USB_USB3_TUNNELING			0x00000001
592 #define OSC_USB_DP_TUNNELING			0x00000002
593 #define OSC_USB_PCIE_TUNNELING			0x00000004
594 #define OSC_USB_XDOMAIN				0x00000008
595 
596 extern u32 osc_sb_native_usb4_control;
597 
598 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
599 #define OSC_PCI_EXT_CONFIG_SUPPORT		0x00000001
600 #define OSC_PCI_ASPM_SUPPORT			0x00000002
601 #define OSC_PCI_CLOCK_PM_SUPPORT		0x00000004
602 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT		0x00000008
603 #define OSC_PCI_MSI_SUPPORT			0x00000010
604 #define OSC_PCI_EDR_SUPPORT			0x00000080
605 #define OSC_PCI_HPX_TYPE_3_SUPPORT		0x00000100
606 
607 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
608 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL	0x00000001
609 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL		0x00000002
610 #define OSC_PCI_EXPRESS_PME_CONTROL		0x00000004
611 #define OSC_PCI_EXPRESS_AER_CONTROL		0x00000008
612 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL	0x00000010
613 #define OSC_PCI_EXPRESS_LTR_CONTROL		0x00000020
614 #define OSC_PCI_EXPRESS_DPC_CONTROL		0x00000080
615 
616 /* CXL _OSC: Capabilities DWORD 4: Support Field */
617 #define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT	0x00000001
618 #define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT	0x00000002
619 #define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT	0x00000004
620 #define OSC_CXL_NATIVE_HP_SUPPORT		0x00000008
621 
622 /* CXL _OSC: Capabilities DWORD 5: Control Field */
623 #define OSC_CXL_ERROR_REPORTING_CONTROL		0x00000001
624 
acpi_osc_ctx_get_pci_control(struct acpi_osc_context * context)625 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
626 {
627 	u32 *ret = context->ret.pointer;
628 
629 	return ret[OSC_CONTROL_DWORD];
630 }
631 
acpi_osc_ctx_get_cxl_control(struct acpi_osc_context * context)632 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
633 {
634 	u32 *ret = context->ret.pointer;
635 
636 	return ret[OSC_EXT_CONTROL_DWORD];
637 }
638 
639 #define ACPI_GSB_ACCESS_ATTRIB_QUICK		0x00000002
640 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV         0x00000004
641 #define ACPI_GSB_ACCESS_ATTRIB_BYTE		0x00000006
642 #define ACPI_GSB_ACCESS_ATTRIB_WORD		0x00000008
643 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK		0x0000000A
644 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE	0x0000000B
645 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL	0x0000000C
646 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL	0x0000000D
647 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES	0x0000000E
648 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS	0x0000000F
649 
650 /* Enable _OST when all relevant hotplug operations are enabled */
651 #if defined(CONFIG_ACPI_HOTPLUG_CPU) &&			\
652 	defined(CONFIG_ACPI_HOTPLUG_MEMORY) &&		\
653 	defined(CONFIG_ACPI_CONTAINER)
654 #define ACPI_HOTPLUG_OST
655 #endif
656 
657 /* _OST Source Event Code (OSPM Action) */
658 #define ACPI_OST_EC_OSPM_SHUTDOWN		0x100
659 #define ACPI_OST_EC_OSPM_EJECT			0x103
660 #define ACPI_OST_EC_OSPM_INSERTION		0x200
661 
662 /* _OST General Processing Status Code */
663 #define ACPI_OST_SC_SUCCESS			0x0
664 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE	0x1
665 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY		0x2
666 
667 /* _OST OS Shutdown Processing (0x100) Status Code */
668 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED		0x80
669 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS	0x81
670 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED	0x82
671 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED	0x83
672 
673 /* _OST Ejection Request (0x3, 0x103) Status Code */
674 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED		0x80
675 #define ACPI_OST_SC_DEVICE_IN_USE		0x81
676 #define ACPI_OST_SC_DEVICE_BUSY			0x82
677 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY	0x83
678 #define ACPI_OST_SC_EJECT_IN_PROGRESS		0x84
679 
680 /* _OST Insertion Request (0x200) Status Code */
681 #define ACPI_OST_SC_INSERT_IN_PROGRESS		0x80
682 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE		0x81
683 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED	0x82
684 
685 enum acpi_predicate {
686 	all_versions,
687 	less_than_or_equal,
688 	equal,
689 	greater_than_or_equal,
690 };
691 
692 /* Table must be terminted by a NULL entry */
693 struct acpi_platform_list {
694 	char	oem_id[ACPI_OEM_ID_SIZE+1];
695 	char	oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
696 	u32	oem_revision;
697 	char	*table;
698 	enum acpi_predicate pred;
699 	char	*reason;
700 	u32	data;
701 };
702 int acpi_match_platform_list(const struct acpi_platform_list *plat);
703 
704 extern void acpi_early_init(void);
705 extern void acpi_subsystem_init(void);
706 extern void arch_post_acpi_subsys_init(void);
707 
708 extern int acpi_nvs_register(__u64 start, __u64 size);
709 
710 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
711 				    void *data);
712 
713 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
714 					       const struct device *dev);
715 
716 const void *acpi_device_get_match_data(const struct device *dev);
717 extern bool acpi_driver_match_device(struct device *dev,
718 				     const struct device_driver *drv);
719 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *);
720 int acpi_device_modalias(struct device *, char *, int);
721 
722 struct platform_device *acpi_create_platform_device(struct acpi_device *,
723 						    const struct property_entry *);
724 #define ACPI_PTR(_ptr)	(_ptr)
725 
acpi_device_set_enumerated(struct acpi_device * adev)726 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
727 {
728 	adev->flags.visited = true;
729 }
730 
acpi_device_clear_enumerated(struct acpi_device * adev)731 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
732 {
733 	adev->flags.visited = false;
734 }
735 
736 enum acpi_reconfig_event  {
737 	ACPI_RECONFIG_DEVICE_ADD = 0,
738 	ACPI_RECONFIG_DEVICE_REMOVE,
739 };
740 
741 int acpi_reconfig_notifier_register(struct notifier_block *nb);
742 int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
743 
744 #ifdef CONFIG_ACPI_GTDT
745 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
746 int acpi_gtdt_map_ppi(int type);
747 bool acpi_gtdt_c3stop(int type);
748 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
749 #endif
750 
751 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
acpi_arch_set_root_pointer(u64 addr)752 static inline void acpi_arch_set_root_pointer(u64 addr)
753 {
754 }
755 #endif
756 
757 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
acpi_arch_get_root_pointer(void)758 static inline u64 acpi_arch_get_root_pointer(void)
759 {
760 	return 0;
761 }
762 #endif
763 
764 int acpi_get_local_address(acpi_handle handle, u32 *addr);
765 
766 #else	/* !CONFIG_ACPI */
767 
768 #define acpi_disabled 1
769 
770 #define ACPI_COMPANION(dev)		(NULL)
771 #define ACPI_COMPANION_SET(dev, adev)	do { } while (0)
772 #define ACPI_HANDLE(dev)		(NULL)
773 #define ACPI_HANDLE_FWNODE(fwnode)	(NULL)
774 #define ACPI_DEVICE_CLASS(_cls, _msk)	.cls = (0), .cls_msk = (0),
775 
776 #include <acpi/acpi_numa.h>
777 
778 struct fwnode_handle;
779 
acpi_dev_found(const char * hid)780 static inline bool acpi_dev_found(const char *hid)
781 {
782 	return false;
783 }
784 
acpi_dev_present(const char * hid,const char * uid,s64 hrv)785 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
786 {
787 	return false;
788 }
789 
790 struct acpi_device;
791 
792 static inline bool
acpi_dev_hid_uid_match(struct acpi_device * adev,const char * hid2,const char * uid2)793 acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2)
794 {
795 	return false;
796 }
797 
798 static inline struct acpi_device *
acpi_dev_get_first_match_dev(const char * hid,const char * uid,s64 hrv)799 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
800 {
801 	return NULL;
802 }
803 
acpi_reduced_hardware(void)804 static inline bool acpi_reduced_hardware(void)
805 {
806 	return false;
807 }
808 
acpi_dev_put(struct acpi_device * adev)809 static inline void acpi_dev_put(struct acpi_device *adev) {}
810 
is_acpi_node(const struct fwnode_handle * fwnode)811 static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
812 {
813 	return false;
814 }
815 
is_acpi_device_node(const struct fwnode_handle * fwnode)816 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
817 {
818 	return false;
819 }
820 
to_acpi_device_node(const struct fwnode_handle * fwnode)821 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
822 {
823 	return NULL;
824 }
825 
is_acpi_data_node(const struct fwnode_handle * fwnode)826 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
827 {
828 	return false;
829 }
830 
to_acpi_data_node(const struct fwnode_handle * fwnode)831 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
832 {
833 	return NULL;
834 }
835 
acpi_data_node_match(const struct fwnode_handle * fwnode,const char * name)836 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
837 					const char *name)
838 {
839 	return false;
840 }
841 
acpi_fwnode_handle(struct acpi_device * adev)842 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
843 {
844 	return NULL;
845 }
846 
has_acpi_companion(struct device * dev)847 static inline bool has_acpi_companion(struct device *dev)
848 {
849 	return false;
850 }
851 
acpi_preset_companion(struct device * dev,struct acpi_device * parent,u64 addr)852 static inline void acpi_preset_companion(struct device *dev,
853 					 struct acpi_device *parent, u64 addr)
854 {
855 }
856 
acpi_dev_name(struct acpi_device * adev)857 static inline const char *acpi_dev_name(struct acpi_device *adev)
858 {
859 	return NULL;
860 }
861 
acpi_get_first_physical_node(struct acpi_device * adev)862 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
863 {
864 	return NULL;
865 }
866 
acpi_early_init(void)867 static inline void acpi_early_init(void) { }
acpi_subsystem_init(void)868 static inline void acpi_subsystem_init(void) { }
869 
early_acpi_boot_init(void)870 static inline int early_acpi_boot_init(void)
871 {
872 	return 0;
873 }
acpi_boot_init(void)874 static inline int acpi_boot_init(void)
875 {
876 	return 0;
877 }
878 
acpi_boot_table_prepare(void)879 static inline void acpi_boot_table_prepare(void)
880 {
881 }
882 
acpi_boot_table_init(void)883 static inline void acpi_boot_table_init(void)
884 {
885 }
886 
acpi_mps_check(void)887 static inline int acpi_mps_check(void)
888 {
889 	return 0;
890 }
891 
acpi_check_resource_conflict(struct resource * res)892 static inline int acpi_check_resource_conflict(struct resource *res)
893 {
894 	return 0;
895 }
896 
acpi_check_region(resource_size_t start,resource_size_t n,const char * name)897 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
898 				    const char *name)
899 {
900 	return 0;
901 }
902 
903 struct acpi_table_header;
acpi_table_parse(char * id,int (* handler)(struct acpi_table_header *))904 static inline int acpi_table_parse(char *id,
905 				int (*handler)(struct acpi_table_header *))
906 {
907 	return -ENODEV;
908 }
909 
acpi_nvs_register(__u64 start,__u64 size)910 static inline int acpi_nvs_register(__u64 start, __u64 size)
911 {
912 	return 0;
913 }
914 
acpi_nvs_for_each_region(int (* func)(__u64,__u64,void *),void * data)915 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
916 					   void *data)
917 {
918 	return 0;
919 }
920 
921 struct acpi_device_id;
922 
acpi_match_device(const struct acpi_device_id * ids,const struct device * dev)923 static inline const struct acpi_device_id *acpi_match_device(
924 	const struct acpi_device_id *ids, const struct device *dev)
925 {
926 	return NULL;
927 }
928 
acpi_device_get_match_data(const struct device * dev)929 static inline const void *acpi_device_get_match_data(const struct device *dev)
930 {
931 	return NULL;
932 }
933 
acpi_driver_match_device(struct device * dev,const struct device_driver * drv)934 static inline bool acpi_driver_match_device(struct device *dev,
935 					    const struct device_driver *drv)
936 {
937 	return false;
938 }
939 
acpi_evaluate_dsm(acpi_handle handle,const guid_t * guid,u64 rev,u64 func,union acpi_object * argv4)940 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
941 						   const guid_t *guid,
942 						   u64 rev, u64 func,
943 						   union acpi_object *argv4)
944 {
945 	return NULL;
946 }
947 
acpi_device_uevent_modalias(struct device * dev,struct kobj_uevent_env * env)948 static inline int acpi_device_uevent_modalias(struct device *dev,
949 				struct kobj_uevent_env *env)
950 {
951 	return -ENODEV;
952 }
953 
acpi_device_modalias(struct device * dev,char * buf,int size)954 static inline int acpi_device_modalias(struct device *dev,
955 				char *buf, int size)
956 {
957 	return -ENODEV;
958 }
959 
960 static inline struct platform_device *
acpi_create_platform_device(struct acpi_device * adev,const struct property_entry * properties)961 acpi_create_platform_device(struct acpi_device *adev,
962 			    const struct property_entry *properties)
963 {
964 	return NULL;
965 }
966 
acpi_dma_supported(const struct acpi_device * adev)967 static inline bool acpi_dma_supported(const struct acpi_device *adev)
968 {
969 	return false;
970 }
971 
acpi_get_dma_attr(struct acpi_device * adev)972 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
973 {
974 	return DEV_DMA_NOT_SUPPORTED;
975 }
976 
acpi_dma_get_range(struct device * dev,u64 * dma_addr,u64 * offset,u64 * size)977 static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr,
978 				     u64 *offset, u64 *size)
979 {
980 	return -ENODEV;
981 }
982 
acpi_dma_configure(struct device * dev,enum dev_dma_attr attr)983 static inline int acpi_dma_configure(struct device *dev,
984 				     enum dev_dma_attr attr)
985 {
986 	return 0;
987 }
988 
acpi_dma_configure_id(struct device * dev,enum dev_dma_attr attr,const u32 * input_id)989 static inline int acpi_dma_configure_id(struct device *dev,
990 					enum dev_dma_attr attr,
991 					const u32 *input_id)
992 {
993 	return 0;
994 }
995 
996 #define ACPI_PTR(_ptr)	(NULL)
997 
acpi_device_set_enumerated(struct acpi_device * adev)998 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
999 {
1000 }
1001 
acpi_device_clear_enumerated(struct acpi_device * adev)1002 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
1003 {
1004 }
1005 
acpi_reconfig_notifier_register(struct notifier_block * nb)1006 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
1007 {
1008 	return -EINVAL;
1009 }
1010 
acpi_reconfig_notifier_unregister(struct notifier_block * nb)1011 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
1012 {
1013 	return -EINVAL;
1014 }
1015 
acpi_resource_consumer(struct resource * res)1016 static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
1017 {
1018 	return NULL;
1019 }
1020 
acpi_get_local_address(acpi_handle handle,u32 * addr)1021 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
1022 {
1023 	return -ENODEV;
1024 }
1025 
acpi_register_wakeup_handler(int wake_irq,bool (* wakeup)(void * context),void * context)1026 static inline int acpi_register_wakeup_handler(int wake_irq,
1027 	bool (*wakeup)(void *context), void *context)
1028 {
1029 	return -ENXIO;
1030 }
1031 
acpi_unregister_wakeup_handler(bool (* wakeup)(void * context),void * context)1032 static inline void acpi_unregister_wakeup_handler(
1033 	bool (*wakeup)(void *context), void *context) { }
1034 
1035 struct acpi_osc_context;
acpi_osc_ctx_get_pci_control(struct acpi_osc_context * context)1036 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
1037 {
1038 	return 0;
1039 }
1040 
acpi_osc_ctx_get_cxl_control(struct acpi_osc_context * context)1041 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
1042 {
1043 	return 0;
1044 }
1045 
1046 #endif	/* !CONFIG_ACPI */
1047 
1048 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
1049 int acpi_ioapic_add(acpi_handle root);
1050 #else
acpi_ioapic_add(acpi_handle root)1051 static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
1052 #endif
1053 
1054 #ifdef CONFIG_ACPI
1055 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
1056 			       u32 pm1a_ctrl,  u32 pm1b_ctrl));
1057 
1058 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
1059 				  u32 pm1a_control, u32 pm1b_control);
1060 
1061 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
1062 				        u32 val_a,  u32 val_b));
1063 
1064 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
1065 					   u32 val_a, u32 val_b);
1066 #ifdef CONFIG_X86
1067 struct acpi_s2idle_dev_ops {
1068 	struct list_head list_node;
1069 	void (*prepare)(void);
1070 	void (*restore)(void);
1071 };
1072 int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1073 void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1074 #endif /* CONFIG_X86 */
1075 #ifndef CONFIG_IA64
1076 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1077 #else
arch_reserve_mem_area(acpi_physical_address addr,size_t size)1078 static inline void arch_reserve_mem_area(acpi_physical_address addr,
1079 					  size_t size)
1080 {
1081 }
1082 #endif /* CONFIG_X86 */
1083 #else
1084 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1085 #endif
1086 
1087 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1088 int acpi_dev_suspend(struct device *dev, bool wakeup);
1089 int acpi_dev_resume(struct device *dev);
1090 int acpi_subsys_runtime_suspend(struct device *dev);
1091 int acpi_subsys_runtime_resume(struct device *dev);
1092 int acpi_dev_pm_attach(struct device *dev, bool power_on);
1093 bool acpi_storage_d3(struct device *dev);
1094 bool acpi_dev_state_d0(struct device *dev);
1095 #else
acpi_subsys_runtime_suspend(struct device * dev)1096 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
acpi_subsys_runtime_resume(struct device * dev)1097 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
acpi_dev_pm_attach(struct device * dev,bool power_on)1098 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1099 {
1100 	return 0;
1101 }
acpi_storage_d3(struct device * dev)1102 static inline bool acpi_storage_d3(struct device *dev)
1103 {
1104 	return false;
1105 }
acpi_dev_state_d0(struct device * dev)1106 static inline bool acpi_dev_state_d0(struct device *dev)
1107 {
1108 	return true;
1109 }
1110 #endif
1111 
1112 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1113 int acpi_subsys_prepare(struct device *dev);
1114 void acpi_subsys_complete(struct device *dev);
1115 int acpi_subsys_suspend_late(struct device *dev);
1116 int acpi_subsys_suspend_noirq(struct device *dev);
1117 int acpi_subsys_suspend(struct device *dev);
1118 int acpi_subsys_freeze(struct device *dev);
1119 int acpi_subsys_poweroff(struct device *dev);
1120 void acpi_ec_mark_gpe_for_wake(void);
1121 void acpi_ec_set_gpe_wake_mask(u8 action);
1122 #else
acpi_subsys_prepare(struct device * dev)1123 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
acpi_subsys_complete(struct device * dev)1124 static inline void acpi_subsys_complete(struct device *dev) {}
acpi_subsys_suspend_late(struct device * dev)1125 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
acpi_subsys_suspend_noirq(struct device * dev)1126 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
acpi_subsys_suspend(struct device * dev)1127 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
acpi_subsys_freeze(struct device * dev)1128 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
acpi_subsys_poweroff(struct device * dev)1129 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
acpi_ec_mark_gpe_for_wake(void)1130 static inline void acpi_ec_mark_gpe_for_wake(void) {}
acpi_ec_set_gpe_wake_mask(u8 action)1131 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1132 #endif
1133 
1134 #ifdef CONFIG_ACPI
1135 __printf(3, 4)
1136 void acpi_handle_printk(const char *level, acpi_handle handle,
1137 			const char *fmt, ...);
1138 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1139 				  acpi_status status);
1140 #else	/* !CONFIG_ACPI */
1141 static inline __printf(3, 4) void
acpi_handle_printk(const char * level,void * handle,const char * fmt,...)1142 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
acpi_evaluation_failure_warn(acpi_handle handle,const char * name,acpi_status status)1143 static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1144 						const char *name,
1145 						acpi_status status) {}
1146 #endif	/* !CONFIG_ACPI */
1147 
1148 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1149 __printf(3, 4)
1150 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1151 #endif
1152 
1153 /*
1154  * acpi_handle_<level>: Print message with ACPI prefix and object path
1155  *
1156  * These interfaces acquire the global namespace mutex to obtain an object
1157  * path.  In interrupt context, it shows the object path as <n/a>.
1158  */
1159 #define acpi_handle_emerg(handle, fmt, ...)				\
1160 	acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1161 #define acpi_handle_alert(handle, fmt, ...)				\
1162 	acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1163 #define acpi_handle_crit(handle, fmt, ...)				\
1164 	acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1165 #define acpi_handle_err(handle, fmt, ...)				\
1166 	acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1167 #define acpi_handle_warn(handle, fmt, ...)				\
1168 	acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1169 #define acpi_handle_notice(handle, fmt, ...)				\
1170 	acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1171 #define acpi_handle_info(handle, fmt, ...)				\
1172 	acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1173 
1174 #if defined(DEBUG)
1175 #define acpi_handle_debug(handle, fmt, ...)				\
1176 	acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1177 #else
1178 #if defined(CONFIG_DYNAMIC_DEBUG)
1179 #define acpi_handle_debug(handle, fmt, ...)				\
1180 	_dynamic_func_call(fmt, __acpi_handle_debug,			\
1181 			   handle, pr_fmt(fmt), ##__VA_ARGS__)
1182 #else
1183 #define acpi_handle_debug(handle, fmt, ...)				\
1184 ({									\
1185 	if (0)								\
1186 		acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1187 	0;								\
1188 })
1189 #endif
1190 #endif
1191 
1192 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1193 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1194 				struct acpi_resource_gpio **agpio);
1195 bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1196 			       struct acpi_resource_gpio **agpio);
1197 int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, int index);
1198 #else
acpi_gpio_get_irq_resource(struct acpi_resource * ares,struct acpi_resource_gpio ** agpio)1199 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1200 					      struct acpi_resource_gpio **agpio)
1201 {
1202 	return false;
1203 }
acpi_gpio_get_io_resource(struct acpi_resource * ares,struct acpi_resource_gpio ** agpio)1204 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1205 					     struct acpi_resource_gpio **agpio)
1206 {
1207 	return false;
1208 }
acpi_dev_gpio_irq_get_by(struct acpi_device * adev,const char * name,int index)1209 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev,
1210 					   const char *name, int index)
1211 {
1212 	return -ENXIO;
1213 }
1214 #endif
1215 
acpi_dev_gpio_irq_get(struct acpi_device * adev,int index)1216 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1217 {
1218 	return acpi_dev_gpio_irq_get_by(adev, NULL, index);
1219 }
1220 
1221 /* Device properties */
1222 
1223 #ifdef CONFIG_ACPI
1224 int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1225 			  acpi_object_type type, const union acpi_object **obj);
1226 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1227 				const char *name, size_t index, size_t num_args,
1228 				struct fwnode_reference_args *args);
1229 
acpi_node_get_property_reference(const struct fwnode_handle * fwnode,const char * name,size_t index,struct fwnode_reference_args * args)1230 static inline int acpi_node_get_property_reference(
1231 				const struct fwnode_handle *fwnode,
1232 				const char *name, size_t index,
1233 				struct fwnode_reference_args *args)
1234 {
1235 	return __acpi_node_get_property_reference(fwnode, name, index,
1236 		NR_FWNODE_REFERENCE_ARGS, args);
1237 }
1238 
acpi_dev_has_props(const struct acpi_device * adev)1239 static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1240 {
1241 	return !list_empty(&adev->data.properties);
1242 }
1243 
1244 struct acpi_device_properties *
1245 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1246 		    const union acpi_object *properties);
1247 
1248 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1249 		       void **valptr);
1250 
1251 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1252 					    struct fwnode_handle *child);
1253 
1254 struct acpi_probe_entry;
1255 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1256 						 struct acpi_probe_entry *);
1257 
1258 #define ACPI_TABLE_ID_LEN	5
1259 
1260 /**
1261  * struct acpi_probe_entry - boot-time probing entry
1262  * @id:			ACPI table name
1263  * @type:		Optional subtable type to match
1264  *			(if @id contains subtables)
1265  * @subtable_valid:	Optional callback to check the validity of
1266  *			the subtable
1267  * @probe_table:	Callback to the driver being probed when table
1268  *			match is successful
1269  * @probe_subtbl:	Callback to the driver being probed when table and
1270  *			subtable match (and optional callback is successful)
1271  * @driver_data:	Sideband data provided back to the driver
1272  */
1273 struct acpi_probe_entry {
1274 	__u8 id[ACPI_TABLE_ID_LEN];
1275 	__u8 type;
1276 	acpi_probe_entry_validate_subtbl subtable_valid;
1277 	union {
1278 		acpi_tbl_table_handler probe_table;
1279 		acpi_tbl_entry_handler probe_subtbl;
1280 	};
1281 	kernel_ulong_t driver_data;
1282 };
1283 
1284 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable,	\
1285 				 valid, data, fn)			\
1286 	static const struct acpi_probe_entry __acpi_probe_##name	\
1287 		__used __section("__" #table "_acpi_probe_table") = {	\
1288 			.id = table_id,					\
1289 			.type = subtable,				\
1290 			.subtable_valid = valid,			\
1291 			.probe_table = fn,				\
1292 			.driver_data = data,				\
1293 		}
1294 
1295 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id,	\
1296 					  subtable, valid, data, fn)	\
1297 	static const struct acpi_probe_entry __acpi_probe_##name	\
1298 		__used __section("__" #table "_acpi_probe_table") = {	\
1299 			.id = table_id,					\
1300 			.type = subtable,				\
1301 			.subtable_valid = valid,			\
1302 			.probe_subtbl = fn,				\
1303 			.driver_data = data,				\
1304 		}
1305 
1306 #define ACPI_PROBE_TABLE(name)		__##name##_acpi_probe_table
1307 #define ACPI_PROBE_TABLE_END(name)	__##name##_acpi_probe_table_end
1308 
1309 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1310 
1311 #define acpi_probe_device_table(t)					\
1312 	({ 								\
1313 		extern struct acpi_probe_entry ACPI_PROBE_TABLE(t),	\
1314 			                       ACPI_PROBE_TABLE_END(t);	\
1315 		__acpi_probe_device_table(&ACPI_PROBE_TABLE(t),		\
1316 					  (&ACPI_PROBE_TABLE_END(t) -	\
1317 					   &ACPI_PROBE_TABLE(t)));	\
1318 	})
1319 #else
acpi_dev_get_property(struct acpi_device * adev,const char * name,acpi_object_type type,const union acpi_object ** obj)1320 static inline int acpi_dev_get_property(struct acpi_device *adev,
1321 					const char *name, acpi_object_type type,
1322 					const union acpi_object **obj)
1323 {
1324 	return -ENXIO;
1325 }
1326 
1327 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)1328 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1329 				const char *name, size_t index, size_t num_args,
1330 				struct fwnode_reference_args *args)
1331 {
1332 	return -ENXIO;
1333 }
1334 
1335 static inline int
acpi_node_get_property_reference(const struct fwnode_handle * fwnode,const char * name,size_t index,struct fwnode_reference_args * args)1336 acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1337 				 const char *name, size_t index,
1338 				 struct fwnode_reference_args *args)
1339 {
1340 	return -ENXIO;
1341 }
1342 
acpi_node_prop_get(const struct fwnode_handle * fwnode,const char * propname,void ** valptr)1343 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1344 				     const char *propname,
1345 				     void **valptr)
1346 {
1347 	return -ENXIO;
1348 }
1349 
1350 static inline struct fwnode_handle *
acpi_get_next_subnode(const struct fwnode_handle * fwnode,struct fwnode_handle * child)1351 acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1352 		      struct fwnode_handle *child)
1353 {
1354 	return NULL;
1355 }
1356 
1357 static inline struct fwnode_handle *
acpi_graph_get_next_endpoint(const struct fwnode_handle * fwnode,struct fwnode_handle * prev)1358 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1359 			     struct fwnode_handle *prev)
1360 {
1361 	return ERR_PTR(-ENXIO);
1362 }
1363 
1364 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)1365 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1366 			       struct fwnode_handle **remote,
1367 			       struct fwnode_handle **port,
1368 			       struct fwnode_handle **endpoint)
1369 {
1370 	return -ENXIO;
1371 }
1372 
1373 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1374 	static const void * __acpi_table_##name[]			\
1375 		__attribute__((unused))					\
1376 		 = { (void *) table_id,					\
1377 		     (void *) subtable,					\
1378 		     (void *) valid,					\
1379 		     (void *) fn,					\
1380 		     (void *) data }
1381 
1382 #define acpi_probe_device_table(t)	({ int __r = 0; __r;})
1383 #endif
1384 
1385 #ifdef CONFIG_ACPI_TABLE_UPGRADE
1386 void acpi_table_upgrade(void);
1387 #else
acpi_table_upgrade(void)1388 static inline void acpi_table_upgrade(void) { }
1389 #endif
1390 
1391 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1392 extern bool acpi_has_watchdog(void);
1393 #else
acpi_has_watchdog(void)1394 static inline bool acpi_has_watchdog(void) { return false; }
1395 #endif
1396 
1397 #ifdef CONFIG_ACPI_SPCR_TABLE
1398 extern bool qdf2400_e44_present;
1399 int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1400 #else
acpi_parse_spcr(bool enable_earlycon,bool enable_console)1401 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1402 {
1403 	return 0;
1404 }
1405 #endif
1406 
1407 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1408 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1409 #else
1410 static inline
acpi_irq_get(acpi_handle handle,unsigned int index,struct resource * res)1411 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1412 {
1413 	return -EINVAL;
1414 }
1415 #endif
1416 
1417 #ifdef CONFIG_ACPI_LPIT
1418 int lpit_read_residency_count_address(u64 *address);
1419 #else
lpit_read_residency_count_address(u64 * address)1420 static inline int lpit_read_residency_count_address(u64 *address)
1421 {
1422 	return -EINVAL;
1423 }
1424 #endif
1425 
1426 #ifdef CONFIG_ACPI_PPTT
1427 int acpi_pptt_cpu_is_thread(unsigned int cpu);
1428 int find_acpi_cpu_topology(unsigned int cpu, int level);
1429 int find_acpi_cpu_topology_cluster(unsigned int cpu);
1430 int find_acpi_cpu_topology_package(unsigned int cpu);
1431 int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1432 int find_acpi_cpu_cache_topology(unsigned int cpu, int level);
1433 #else
acpi_pptt_cpu_is_thread(unsigned int cpu)1434 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1435 {
1436 	return -EINVAL;
1437 }
find_acpi_cpu_topology(unsigned int cpu,int level)1438 static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1439 {
1440 	return -EINVAL;
1441 }
find_acpi_cpu_topology_cluster(unsigned int cpu)1442 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu)
1443 {
1444 	return -EINVAL;
1445 }
find_acpi_cpu_topology_package(unsigned int cpu)1446 static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1447 {
1448 	return -EINVAL;
1449 }
find_acpi_cpu_topology_hetero_id(unsigned int cpu)1450 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1451 {
1452 	return -EINVAL;
1453 }
find_acpi_cpu_cache_topology(unsigned int cpu,int level)1454 static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level)
1455 {
1456 	return -EINVAL;
1457 }
1458 #endif
1459 
1460 #ifdef CONFIG_ACPI_PCC
1461 void acpi_init_pcc(void);
1462 #else
acpi_init_pcc(void)1463 static inline void acpi_init_pcc(void) { }
1464 #endif
1465 
1466 #ifdef CONFIG_ACPI
1467 extern void acpi_device_notify(struct device *dev);
1468 extern void acpi_device_notify_remove(struct device *dev);
1469 #else
acpi_device_notify(struct device * dev)1470 static inline void acpi_device_notify(struct device *dev) { }
acpi_device_notify_remove(struct device * dev)1471 static inline void acpi_device_notify_remove(struct device *dev) { }
1472 #endif
1473 
1474 #endif	/*_LINUX_ACPI_H*/
1475