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c942fddf | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
1da177e4 LT |
2 | /* |
3 | * acpi.h - ACPI Interface | |
4 | * | |
5 | * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> | |
1da177e4 LT |
6 | */ |
7 | ||
8 | #ifndef _LINUX_ACPI_H | |
9 | #define _LINUX_ACPI_H | |
10 | ||
5133375b | 11 | #include <linux/errno.h> |
443dea72 | 12 | #include <linux/ioport.h> /* for struct resource */ |
621dc2fd | 13 | #include <linux/irqdomain.h> |
90e97820 | 14 | #include <linux/resource_ext.h> |
cf761af9 | 15 | #include <linux/device.h> |
b31384fa | 16 | #include <linux/property.h> |
bcbc2265 | 17 | #include <linux/uuid.h> |
3f5948fa | 18 | |
1da177e4 LT |
19 | #ifndef _LINUX |
20 | #define _LINUX | |
21 | #endif | |
633adaba LZ |
22 | #include <acpi/acpi.h> |
23 | ||
24 | #ifdef CONFIG_ACPI | |
1da177e4 LT |
25 | |
26 | #include <linux/list.h> | |
29b71a1c | 27 | #include <linux/mod_devicetable.h> |
45fef5b8 | 28 | #include <linux/dynamic_debug.h> |
836d0830 LZ |
29 | #include <linux/module.h> |
30 | #include <linux/mutex.h> | |
1da177e4 | 31 | |
1da177e4 LT |
32 | #include <acpi/acpi_bus.h> |
33 | #include <acpi/acpi_drivers.h> | |
762834e8 | 34 | #include <acpi/acpi_numa.h> |
27d50c82 | 35 | #include <acpi/acpi_io.h> |
1da177e4 | 36 | #include <asm/acpi.h> |
1da177e4 | 37 | |
7b199811 RW |
38 | static inline acpi_handle acpi_device_handle(struct acpi_device *adev) |
39 | { | |
40 | return adev ? adev->handle : NULL; | |
41 | } | |
42 | ||
3a7a2ab8 | 43 | #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode) |
97badf87 RW |
44 | #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \ |
45 | acpi_fwnode_handle(adev) : NULL) | |
7b199811 | 46 | #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) |
7c6c57f2 MW |
47 | #define ACPI_HANDLE_FWNODE(fwnode) \ |
48 | acpi_device_handle(to_acpi_device_node(fwnode)) | |
7b199811 | 49 | |
027b25b2 LP |
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 | ||
2ab695aa | 58 | fwnode_init(fwnode, &acpi_static_fwnode_ops); |
027b25b2 LP |
59 | |
60 | return fwnode; | |
61 | } | |
62 | ||
63 | static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode) | |
64 | { | |
db3e50f3 | 65 | if (WARN_ON(!is_acpi_static_node(fwnode))) |
027b25b2 LP |
66 | return; |
67 | ||
68 | kfree(fwnode); | |
69 | } | |
70 | ||
26095a01 SS |
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 | ||
ca5b74d2 RW |
84 | static inline bool has_acpi_companion(struct device *dev) |
85 | { | |
3a7a2ab8 | 86 | return is_acpi_device_node(dev->fwnode); |
ca5b74d2 RW |
87 | } |
88 | ||
9c5ad36d RW |
89 | static inline void acpi_preset_companion(struct device *dev, |
90 | struct acpi_device *parent, u64 addr) | |
91 | { | |
f8c6d140 | 92 | ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false)); |
9c5ad36d RW |
93 | } |
94 | ||
45c42a7f JN |
95 | static inline const char *acpi_dev_name(struct acpi_device *adev) |
96 | { | |
97 | return dev_name(&adev->dev); | |
98 | } | |
99 | ||
daae45ca LW |
100 | struct device *acpi_get_first_physical_node(struct acpi_device *adev); |
101 | ||
1da177e4 LT |
102 | enum acpi_irq_model_id { |
103 | ACPI_IRQ_MODEL_PIC = 0, | |
104 | ACPI_IRQ_MODEL_IOAPIC, | |
105 | ACPI_IRQ_MODEL_IOSAPIC, | |
3948ec94 | 106 | ACPI_IRQ_MODEL_PLATFORM, |
fbe61ec7 | 107 | ACPI_IRQ_MODEL_GIC, |
1da177e4 LT |
108 | ACPI_IRQ_MODEL_COUNT |
109 | }; | |
110 | ||
111 | extern enum acpi_irq_model_id acpi_irq_model; | |
112 | ||
1da177e4 LT |
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 | ||
1da177e4 LT |
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 | ||
1da177e4 | 130 | |
1da177e4 | 131 | /* Table Handlers */ |
60574d1e KB |
132 | union acpi_subtable_headers { |
133 | struct acpi_subtable_header common; | |
3bc0e8eb | 134 | struct acpi_hmat_structure hmat; |
60574d1e | 135 | }; |
1da177e4 | 136 | |
b43e1065 | 137 | typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); |
1da177e4 | 138 | |
60574d1e | 139 | typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header, |
b43e1065 | 140 | const unsigned long end); |
1da177e4 | 141 | |
836d0830 LZ |
142 | /* Debugger support */ |
143 | ||
144 | struct acpi_debugger_ops { | |
145 | int (*create_thread)(acpi_osd_exec_callback function, void *context); | |
146 | ssize_t (*write_log)(const char *msg); | |
147 | ssize_t (*read_cmd)(char *buffer, size_t length); | |
148 | int (*wait_command_ready)(bool single_step, char *buffer, size_t length); | |
149 | int (*notify_command_complete)(void); | |
150 | }; | |
151 | ||
152 | struct acpi_debugger { | |
153 | const struct acpi_debugger_ops *ops; | |
154 | struct module *owner; | |
155 | struct mutex lock; | |
156 | }; | |
157 | ||
158 | #ifdef CONFIG_ACPI_DEBUGGER | |
159 | int __init acpi_debugger_init(void); | |
160 | int acpi_register_debugger(struct module *owner, | |
161 | const struct acpi_debugger_ops *ops); | |
162 | void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); | |
163 | int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); | |
164 | ssize_t acpi_debugger_write_log(const char *msg); | |
165 | ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); | |
166 | int acpi_debugger_wait_command_ready(void); | |
167 | int acpi_debugger_notify_command_complete(void); | |
168 | #else | |
169 | static inline int acpi_debugger_init(void) | |
170 | { | |
171 | return -ENODEV; | |
172 | } | |
173 | ||
174 | static inline int acpi_register_debugger(struct module *owner, | |
175 | const struct acpi_debugger_ops *ops) | |
176 | { | |
177 | return -ENODEV; | |
178 | } | |
179 | ||
180 | static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) | |
181 | { | |
182 | } | |
183 | ||
184 | static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, | |
185 | void *context) | |
186 | { | |
187 | return -ENODEV; | |
188 | } | |
189 | ||
190 | static inline int acpi_debugger_write_log(const char *msg) | |
191 | { | |
192 | return -ENODEV; | |
193 | } | |
194 | ||
195 | static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) | |
196 | { | |
197 | return -ENODEV; | |
198 | } | |
199 | ||
200 | static inline int acpi_debugger_wait_command_ready(void) | |
201 | { | |
202 | return -ENODEV; | |
203 | } | |
204 | ||
205 | static inline int acpi_debugger_notify_command_complete(void) | |
206 | { | |
207 | return -ENODEV; | |
208 | } | |
209 | #endif | |
210 | ||
328281b1 HG |
211 | #define BAD_MADT_ENTRY(entry, end) ( \ |
212 | (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ | |
213 | ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) | |
214 | ||
9b3fedde LA |
215 | struct acpi_subtable_proc { |
216 | int id; | |
217 | acpi_tbl_entry_handler handler; | |
218 | int count; | |
219 | }; | |
220 | ||
6c9a58e8 AS |
221 | void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); |
222 | void __acpi_unmap_table(void __iomem *map, unsigned long size); | |
cbf9bd60 | 223 | int early_acpi_boot_init(void); |
1da177e4 | 224 | int acpi_boot_init (void); |
8558e394 | 225 | void acpi_boot_table_init (void); |
3c999f14 | 226 | int acpi_mps_check (void); |
1da177e4 LT |
227 | int acpi_numa_init (void); |
228 | ||
229 | int acpi_table_init (void); | |
b43e1065 | 230 | int acpi_table_parse(char *id, acpi_tbl_table_handler handler); |
6eb87fed | 231 | int __init acpi_table_parse_entries(char *id, unsigned long table_size, |
9b3fedde LA |
232 | int entry_id, |
233 | acpi_tbl_entry_handler handler, | |
234 | unsigned int max_entries); | |
9b3fedde LA |
235 | int __init acpi_table_parse_entries_array(char *id, unsigned long table_size, |
236 | struct acpi_subtable_proc *proc, int proc_num, | |
237 | unsigned int max_entries); | |
b43e1065 LZ |
238 | int acpi_table_parse_madt(enum acpi_madt_type id, |
239 | acpi_tbl_entry_handler handler, | |
240 | unsigned int max_entries); | |
ceb6c468 | 241 | int acpi_parse_mcfg (struct acpi_table_header *header); |
5f3b1a8b | 242 | void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); |
1da177e4 | 243 | |
4bac6fa7 | 244 | /* the following numa functions are architecture-dependent */ |
1da177e4 | 245 | void acpi_numa_slit_init (struct acpi_table_slit *slit); |
4bac6fa7 HG |
246 | |
247 | #if defined(CONFIG_X86) || defined(CONFIG_IA64) | |
15a58ed1 | 248 | void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); |
4bac6fa7 HG |
249 | #else |
250 | static inline void | |
251 | acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } | |
252 | #endif | |
253 | ||
7237d3de | 254 | void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); |
4bac6fa7 HG |
255 | |
256 | #ifdef CONFIG_ARM64 | |
257 | void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); | |
258 | #else | |
259 | static inline void | |
260 | acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } | |
261 | #endif | |
262 | ||
095adbb6 | 263 | int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); |
1da177e4 | 264 | |
828aef37 CM |
265 | #ifndef PHYS_CPUID_INVALID |
266 | typedef u32 phys_cpuid_t; | |
267 | #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) | |
268 | #endif | |
269 | ||
25956b66 HG |
270 | static inline bool invalid_logical_cpuid(u32 cpuid) |
271 | { | |
272 | return (int)cpuid < 0; | |
273 | } | |
274 | ||
ddcc18f5 HG |
275 | static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) |
276 | { | |
277 | return phys_id == PHYS_CPUID_INVALID; | |
278 | } | |
279 | ||
fd74da21 | 280 | /* Validate the processor object's proc_id */ |
a77d6cd9 | 281 | bool acpi_duplicate_processor_id(int proc_id); |
bc946388 | 282 | /* Processor _CTS control */ |
77fb4e0a RW |
283 | struct acpi_processor_power; |
284 | ||
bc946388 RW |
285 | #ifdef CONFIG_ACPI_PROCESSOR_CSTATE |
286 | bool acpi_processor_claim_cst_control(void); | |
77fb4e0a RW |
287 | int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, |
288 | struct acpi_processor_power *info); | |
bc946388 RW |
289 | #else |
290 | static inline bool acpi_processor_claim_cst_control(void) { return false; } | |
77fb4e0a RW |
291 | static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu, |
292 | struct acpi_processor_power *info) | |
293 | { | |
294 | return -ENODEV; | |
295 | } | |
bc946388 | 296 | #endif |
fd74da21 | 297 | |
1da177e4 LT |
298 | #ifdef CONFIG_ACPI_HOTPLUG_CPU |
299 | /* Arch dependent functions for cpu hotplug support */ | |
febf2407 VK |
300 | int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, |
301 | int *pcpu); | |
d02dc27d | 302 | int acpi_unmap_cpu(int cpu); |
1da177e4 LT |
303 | #endif /* CONFIG_ACPI_HOTPLUG_CPU */ |
304 | ||
ecf5636d YL |
305 | #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC |
306 | int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); | |
307 | #endif | |
308 | ||
b1bb248a KK |
309 | int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); |
310 | int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); | |
e89900c9 | 311 | int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); |
5229e87d | 312 | void acpi_irq_stats_init(void); |
5229e87d | 313 | extern u32 acpi_irq_handled; |
88bea188 | 314 | extern u32 acpi_irq_not_handled; |
49e4b843 | 315 | extern unsigned int acpi_sci_irq; |
13737181 | 316 | extern bool acpi_no_s5; |
49e4b843 CY |
317 | #define INVALID_ACPI_IRQ ((unsigned)-1) |
318 | static inline bool acpi_sci_irq_valid(void) | |
319 | { | |
320 | return acpi_sci_irq != INVALID_ACPI_IRQ; | |
321 | } | |
1da177e4 | 322 | |
c255d844 | 323 | extern int sbf_port; |
77afcf78 | 324 | extern unsigned long acpi_realmode_flags; |
1da177e4 | 325 | |
a2f809b0 | 326 | int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); |
1da177e4 | 327 | int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); |
2c2df841 | 328 | int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); |
1da177e4 | 329 | |
2bc6eba4 MZ |
330 | void acpi_set_irq_model(enum acpi_irq_model_id model, |
331 | struct fwnode_handle *fwnode); | |
332 | ||
621dc2fd AB |
333 | struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, |
334 | unsigned int size, | |
335 | struct fwnode_handle *fwnode, | |
336 | const struct irq_domain_ops *ops, | |
337 | void *host_data); | |
338 | ||
61fd47e0 | 339 | #ifdef CONFIG_X86_IO_APIC |
9a0a91bb | 340 | extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); |
61fd47e0 | 341 | #else |
dfd6f9ad AB |
342 | static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) |
343 | { | |
344 | return -1; | |
345 | } | |
61fd47e0 | 346 | #endif |
1da177e4 LT |
347 | /* |
348 | * This function undoes the effect of one call to acpi_register_gsi(). | |
349 | * If this matches the last registration, any IRQ resources for gsi | |
350 | * are freed. | |
351 | */ | |
1da177e4 | 352 | void acpi_unregister_gsi (u32 gsi); |
1da177e4 | 353 | |
1da177e4 LT |
354 | struct pci_dev; |
355 | ||
356 | int acpi_pci_irq_enable (struct pci_dev *dev); | |
c9c3e457 | 357 | void acpi_penalize_isa_irq(int irq, int active); |
5ebc7603 | 358 | bool acpi_isa_irq_available(int irq); |
5d32a665 | 359 | #ifdef CONFIG_PCI |
f1caa61d | 360 | void acpi_penalize_sci_irq(int irq, int trigger, int polarity); |
5d32a665 SK |
361 | #else |
362 | static inline void acpi_penalize_sci_irq(int irq, int trigger, | |
363 | int polarity) | |
364 | { | |
365 | } | |
366 | #endif | |
1da177e4 | 367 | void acpi_pci_irq_disable (struct pci_dev *dev); |
1da177e4 | 368 | |
1da177e4 LT |
369 | extern int ec_read(u8 addr, u8 *val); |
370 | extern int ec_write(u8 addr, u8 val); | |
d7a76e4c LP |
371 | extern int ec_transaction(u8 command, |
372 | const u8 *wdata, unsigned wdata_len, | |
1cb7b1e0 | 373 | u8 *rdata, unsigned rdata_len); |
3e2abc5a | 374 | extern acpi_handle ec_get_handle(void); |
1da177e4 | 375 | |
eec15edb ZR |
376 | extern bool acpi_is_pnp_device(struct acpi_device *); |
377 | ||
bff431e4 CC |
378 | #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) |
379 | ||
380 | typedef void (*wmi_notify_handler) (u32 value, void *context); | |
381 | ||
382 | extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, | |
383 | u32 method_id, | |
384 | const struct acpi_buffer *in, | |
385 | struct acpi_buffer *out); | |
386 | extern acpi_status wmi_query_block(const char *guid, u8 instance, | |
387 | struct acpi_buffer *out); | |
388 | extern acpi_status wmi_set_block(const char *guid, u8 instance, | |
389 | const struct acpi_buffer *in); | |
390 | extern acpi_status wmi_install_notify_handler(const char *guid, | |
391 | wmi_notify_handler handler, void *data); | |
392 | extern acpi_status wmi_remove_notify_handler(const char *guid); | |
393 | extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); | |
394 | extern bool wmi_has_guid(const char *guid); | |
e7488e58 | 395 | extern char *wmi_get_acpi_device_uid(const char *guid); |
bff431e4 CC |
396 | |
397 | #endif /* CONFIG_ACPI_WMI */ | |
398 | ||
c3d6de69 TR |
399 | #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 |
400 | #define ACPI_VIDEO_DEVICE_POSTING 0x0002 | |
401 | #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 | |
402 | #define ACPI_VIDEO_BACKLIGHT 0x0008 | |
403 | #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 | |
404 | #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 | |
405 | #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 | |
406 | #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 | |
407 | #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 | |
408 | #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 | |
409 | #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 | |
410 | #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 | |
411 | ||
14ca7a47 | 412 | extern char acpi_video_backlight_string[]; |
d4e1a692 | 413 | extern long acpi_is_video_device(acpi_handle handle); |
1da177e4 | 414 | extern int acpi_blacklisted(void); |
d90aa92c | 415 | extern void acpi_osi_setup(char *str); |
a87878ba | 416 | extern bool acpi_osi_is_win8(void); |
1da177e4 | 417 | |
1da177e4 | 418 | #ifdef CONFIG_ACPI_NUMA |
8fc5c735 | 419 | int acpi_map_pxm_to_node(int pxm); |
486c79b5 | 420 | int acpi_get_node(acpi_handle handle); |
b2ca916c DW |
421 | |
422 | /** | |
4eb3723f | 423 | * pxm_to_online_node - Map proximity ID to online node |
b2ca916c DW |
424 | * @pxm: ACPI proximity ID |
425 | * | |
4eb3723f | 426 | * This is similar to pxm_to_node(), but always returns an online |
b2ca916c DW |
427 | * node. When the mapped node from a given proximity ID is offline, it |
428 | * looks up the node distance table and returns the nearest online node. | |
429 | * | |
430 | * ACPI device drivers, which are called after the NUMA initialization has | |
431 | * completed in the kernel, can call this interface to obtain their device | |
432 | * NUMA topology from ACPI tables. Such drivers do not have to deal with | |
fe205d98 JC |
433 | * offline nodes. A node may be offline when SRAT memory entry does not exist, |
434 | * or NUMA is disabled, ex. "numa=off" on x86. | |
b2ca916c | 435 | */ |
4eb3723f | 436 | static inline int pxm_to_online_node(int pxm) |
b2ca916c | 437 | { |
fe205d98 | 438 | int node = pxm_to_node(pxm); |
b2ca916c DW |
439 | |
440 | return numa_map_to_online_node(node); | |
441 | } | |
1da177e4 | 442 | #else |
4eb3723f | 443 | static inline int pxm_to_online_node(int pxm) |
99759869 TK |
444 | { |
445 | return 0; | |
446 | } | |
8fc5c735 DW |
447 | static inline int acpi_map_pxm_to_node(int pxm) |
448 | { | |
449 | return 0; | |
450 | } | |
486c79b5 | 451 | static inline int acpi_get_node(acpi_handle handle) |
1e3590e2 YG |
452 | { |
453 | return 0; | |
454 | } | |
1da177e4 | 455 | #endif |
1e3590e2 | 456 | extern int acpi_paddr_to_node(u64 start_addr, u64 size); |
1da177e4 LT |
457 | |
458 | extern int pnpacpi_disabled; | |
459 | ||
3484d798 | 460 | #define PXM_INVAL (-1) |
3484d798 | 461 | |
046d9ce6 RW |
462 | bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); |
463 | bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); | |
464 | bool acpi_dev_resource_address_space(struct acpi_resource *ares, | |
a49170b5 | 465 | struct resource_win *win); |
046d9ce6 | 466 | bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, |
a49170b5 | 467 | struct resource_win *win); |
046d9ce6 | 468 | unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); |
55a93417 | 469 | unsigned int acpi_dev_get_irq_type(int triggering, int polarity); |
046d9ce6 RW |
470 | bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, |
471 | struct resource *res); | |
472 | ||
8e345c99 RW |
473 | void acpi_dev_free_resource_list(struct list_head *list); |
474 | int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, | |
475 | int (*preproc)(struct acpi_resource *, void *), | |
476 | void *preproc_data); | |
c04ac679 LP |
477 | int acpi_dev_get_dma_resources(struct acpi_device *adev, |
478 | struct list_head *list); | |
62d1141f JL |
479 | int acpi_dev_filter_resource_type(struct acpi_resource *ares, |
480 | unsigned long types); | |
481 | ||
482 | static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, | |
483 | void *arg) | |
484 | { | |
485 | return acpi_dev_filter_resource_type(ares, (unsigned long)arg); | |
486 | } | |
8e345c99 | 487 | |
00710984 BH |
488 | struct acpi_device *acpi_resource_consumer(struct resource *res); |
489 | ||
876fba43 | 490 | int acpi_check_resource_conflict(const struct resource *res); |
443dea72 | 491 | |
df92e695 TR |
492 | int acpi_check_region(resource_size_t start, resource_size_t n, |
493 | const char *name); | |
df92e695 | 494 | |
d2d2e3c4 HK |
495 | acpi_status acpi_release_memory(acpi_handle handle, struct resource *res, |
496 | u32 level); | |
497 | ||
70dd6bea JD |
498 | int acpi_resources_are_enforced(void); |
499 | ||
9743fdea | 500 | #ifdef CONFIG_HIBERNATION |
bdfe6b7c | 501 | void __init acpi_no_s4_hw_signature(void); |
9743fdea YL |
502 | #endif |
503 | ||
504 | #ifdef CONFIG_PM_SLEEP | |
d8f3de0d | 505 | void __init acpi_old_suspend_ordering(void); |
72ad5d77 | 506 | void __init acpi_nvs_nosave(void); |
1bad2f19 | 507 | void __init acpi_nvs_nosave_s3(void); |
57044031 | 508 | void __init acpi_sleep_no_blacklist(void); |
d8f3de0d | 509 | #endif /* CONFIG_PM_SLEEP */ |
9f5404d8 | 510 | |
ddfd9dcf HG |
511 | int acpi_register_wakeup_handler( |
512 | int wake_irq, bool (*wakeup)(void *context), void *context); | |
513 | void acpi_unregister_wakeup_handler( | |
514 | bool (*wakeup)(void *context), void *context); | |
515 | ||
70023de8 | 516 | struct acpi_osc_context { |
c8678473 | 517 | char *uuid_str; /* UUID string */ |
70023de8 | 518 | int rev; |
c8678473 BH |
519 | struct acpi_buffer cap; /* list of DWORD capabilities */ |
520 | struct acpi_buffer ret; /* free by caller if success */ | |
70023de8 SL |
521 | }; |
522 | ||
70023de8 SL |
523 | acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); |
524 | ||
b938a229 BH |
525 | /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */ |
526 | #define OSC_QUERY_DWORD 0 /* DWORD 1 */ | |
527 | #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ | |
528 | #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ | |
9f5404d8 | 529 | |
dedf1e4d BH |
530 | /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ |
531 | #define OSC_QUERY_ENABLE 0x00000001 /* input */ | |
532 | #define OSC_REQUEST_ERROR 0x00000002 /* return */ | |
533 | #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ | |
534 | #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ | |
535 | #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ | |
9f5404d8 | 536 | |
dedf1e4d BH |
537 | /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ |
538 | #define OSC_SB_PAD_SUPPORT 0x00000001 | |
539 | #define OSC_SB_PPC_OST_SUPPORT 0x00000002 | |
540 | #define OSC_SB_PR3_SUPPORT 0x00000004 | |
541 | #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 | |
542 | #define OSC_SB_APEI_SUPPORT 0x00000010 | |
543 | #define OSC_SB_CPC_SUPPORT 0x00000020 | |
a36a7fec SH |
544 | #define OSC_SB_CPCV2_SUPPORT 0x00000040 |
545 | #define OSC_SB_PCLPI_SUPPORT 0x00000080 | |
546 | #define OSC_SB_OSLPI_SUPPORT 0x00000100 | |
8b533a0e | 547 | #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 |
01aabca2 | 548 | #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 |
3563ff96 | 549 | |
eccddd32 | 550 | extern bool osc_sb_apei_support_acked; |
a36a7fec | 551 | extern bool osc_pc_lpi_support_confirmed; |
eccddd32 | 552 | |
dedf1e4d | 553 | /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ |
7dab9ef4 BH |
554 | #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 |
555 | #define OSC_PCI_ASPM_SUPPORT 0x00000002 | |
556 | #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 | |
dedf1e4d | 557 | #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 |
7dab9ef4 | 558 | #define OSC_PCI_MSI_SUPPORT 0x00000010 |
ac1c8e35 | 559 | #define OSC_PCI_EDR_SUPPORT 0x00000080 |
ba11edc6 | 560 | #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 |
ac1c8e35 | 561 | #define OSC_PCI_SUPPORT_MASKS 0x0000019f |
dedf1e4d BH |
562 | |
563 | /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ | |
564 | #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 | |
7dab9ef4 | 565 | #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 |
dedf1e4d BH |
566 | #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 |
567 | #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 | |
7dab9ef4 | 568 | #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 |
af8bb9f8 | 569 | #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 |
ac1c8e35 KS |
570 | #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 |
571 | #define OSC_PCI_CONTROL_MASKS 0x000000bf | |
d90116ea | 572 | |
5d98e61d LT |
573 | #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 |
574 | #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 | |
575 | #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 | |
576 | #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 | |
577 | #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A | |
578 | #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B | |
579 | #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C | |
580 | #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D | |
581 | #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E | |
582 | #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F | |
583 | ||
275c58d7 TK |
584 | /* Enable _OST when all relevant hotplug operations are enabled */ |
585 | #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ | |
08f502c1 | 586 | defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ |
64fd7401 | 587 | defined(CONFIG_ACPI_CONTAINER) |
275c58d7 TK |
588 | #define ACPI_HOTPLUG_OST |
589 | #endif | |
590 | ||
591 | /* _OST Source Event Code (OSPM Action) */ | |
592 | #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 | |
593 | #define ACPI_OST_EC_OSPM_EJECT 0x103 | |
594 | #define ACPI_OST_EC_OSPM_INSERTION 0x200 | |
595 | ||
596 | /* _OST General Processing Status Code */ | |
597 | #define ACPI_OST_SC_SUCCESS 0x0 | |
598 | #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 | |
599 | #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 | |
600 | ||
601 | /* _OST OS Shutdown Processing (0x100) Status Code */ | |
602 | #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 | |
603 | #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 | |
604 | #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 | |
605 | #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 | |
606 | ||
607 | /* _OST Ejection Request (0x3, 0x103) Status Code */ | |
608 | #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 | |
609 | #define ACPI_OST_SC_DEVICE_IN_USE 0x81 | |
610 | #define ACPI_OST_SC_DEVICE_BUSY 0x82 | |
611 | #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 | |
612 | #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 | |
613 | ||
614 | /* _OST Insertion Request (0x200) Status Code */ | |
615 | #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 | |
616 | #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 | |
617 | #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 | |
618 | ||
5aa5911a TK |
619 | enum acpi_predicate { |
620 | all_versions, | |
621 | less_than_or_equal, | |
622 | equal, | |
623 | greater_than_or_equal, | |
624 | }; | |
625 | ||
626 | /* Table must be terminted by a NULL entry */ | |
627 | struct acpi_platform_list { | |
628 | char oem_id[ACPI_OEM_ID_SIZE+1]; | |
629 | char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; | |
630 | u32 oem_revision; | |
631 | char *table; | |
632 | enum acpi_predicate pred; | |
633 | char *reason; | |
634 | u32 data; | |
635 | }; | |
636 | int acpi_match_platform_list(const struct acpi_platform_list *plat); | |
637 | ||
4a7a16dc | 638 | extern void acpi_early_init(void); |
b064a8fa | 639 | extern void acpi_subsystem_init(void); |
63fab697 | 640 | extern void arch_post_acpi_subsys_init(void); |
4a7a16dc | 641 | |
b54ac6d2 HY |
642 | extern int acpi_nvs_register(__u64 start, __u64 size); |
643 | ||
644 | extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), | |
645 | void *data); | |
646 | ||
cf761af9 MW |
647 | const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, |
648 | const struct device *dev); | |
649 | ||
67dcc26d | 650 | const void *acpi_device_get_match_data(const struct device *dev); |
733e6251 MW |
651 | extern bool acpi_driver_match_device(struct device *dev, |
652 | const struct device_driver *drv); | |
6eb2451f ZR |
653 | int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); |
654 | int acpi_device_modalias(struct device *, char *, int); | |
40e7fcb1 | 655 | void acpi_walk_dep_device_list(acpi_handle handle); |
6eb2451f | 656 | |
1571875b HK |
657 | struct platform_device *acpi_create_platform_device(struct acpi_device *, |
658 | struct property_entry *); | |
cf761af9 MW |
659 | #define ACPI_PTR(_ptr) (_ptr) |
660 | ||
10c7e20b OP |
661 | static inline void acpi_device_set_enumerated(struct acpi_device *adev) |
662 | { | |
663 | adev->flags.visited = true; | |
664 | } | |
665 | ||
666 | static inline void acpi_device_clear_enumerated(struct acpi_device *adev) | |
667 | { | |
668 | adev->flags.visited = false; | |
669 | } | |
670 | ||
68bdb677 OP |
671 | enum acpi_reconfig_event { |
672 | ACPI_RECONFIG_DEVICE_ADD = 0, | |
673 | ACPI_RECONFIG_DEVICE_REMOVE, | |
674 | }; | |
675 | ||
676 | int acpi_reconfig_notifier_register(struct notifier_block *nb); | |
677 | int acpi_reconfig_notifier_unregister(struct notifier_block *nb); | |
678 | ||
5f1ae4eb FW |
679 | #ifdef CONFIG_ACPI_GTDT |
680 | int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); | |
681 | int acpi_gtdt_map_ppi(int type); | |
682 | bool acpi_gtdt_c3stop(int type); | |
a712c3ed | 683 | int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); |
5f1ae4eb FW |
684 | #endif |
685 | ||
41fa1ee9 JB |
686 | #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER |
687 | static inline void acpi_arch_set_root_pointer(u64 addr) | |
688 | { | |
689 | } | |
690 | #endif | |
691 | ||
dfc9327a JG |
692 | #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER |
693 | static inline u64 acpi_arch_get_root_pointer(void) | |
694 | { | |
695 | return 0; | |
696 | } | |
697 | #endif | |
698 | ||
e55a5999 FT |
699 | #else /* !CONFIG_ACPI */ |
700 | ||
701 | #define acpi_disabled 1 | |
702 | ||
7b199811 RW |
703 | #define ACPI_COMPANION(dev) (NULL) |
704 | #define ACPI_COMPANION_SET(dev, adev) do { } while (0) | |
705 | #define ACPI_HANDLE(dev) (NULL) | |
7c6c57f2 | 706 | #define ACPI_HANDLE_FWNODE(fwnode) (NULL) |
26095a01 | 707 | #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0), |
7b199811 | 708 | |
3b0d3101 DW |
709 | #include <acpi/acpi_numa.h> |
710 | ||
8a0662d9 RW |
711 | struct fwnode_handle; |
712 | ||
6eb17e0d KY |
713 | static inline bool acpi_dev_found(const char *hid) |
714 | { | |
715 | return false; | |
716 | } | |
717 | ||
8661423e HG |
718 | static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) |
719 | { | |
720 | return false; | |
721 | } | |
722 | ||
35009c80 AS |
723 | struct acpi_device; |
724 | ||
725 | static inline bool | |
726 | acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2) | |
727 | { | |
728 | return false; | |
729 | } | |
730 | ||
817b4d64 AS |
731 | static inline struct acpi_device * |
732 | acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) | |
733 | { | |
734 | return NULL; | |
735 | } | |
736 | ||
fe066621 Y |
737 | static inline void acpi_dev_put(struct acpi_device *adev) {} |
738 | ||
8a0662d9 RW |
739 | static inline bool is_acpi_node(struct fwnode_handle *fwnode) |
740 | { | |
741 | return false; | |
742 | } | |
743 | ||
3a7a2ab8 RW |
744 | static inline bool is_acpi_device_node(struct fwnode_handle *fwnode) |
745 | { | |
746 | return false; | |
747 | } | |
748 | ||
749 | static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode) | |
750 | { | |
751 | return NULL; | |
752 | } | |
753 | ||
754 | static inline bool is_acpi_data_node(struct fwnode_handle *fwnode) | |
755 | { | |
756 | return false; | |
757 | } | |
758 | ||
759 | static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode) | |
8a0662d9 RW |
760 | { |
761 | return NULL; | |
762 | } | |
763 | ||
613e9721 AT |
764 | static inline bool acpi_data_node_match(struct fwnode_handle *fwnode, |
765 | const char *name) | |
766 | { | |
767 | return false; | |
768 | } | |
769 | ||
8a0662d9 RW |
770 | static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) |
771 | { | |
772 | return NULL; | |
773 | } | |
774 | ||
ca5b74d2 RW |
775 | static inline bool has_acpi_companion(struct device *dev) |
776 | { | |
777 | return false; | |
778 | } | |
779 | ||
c0e5c445 DB |
780 | static inline void acpi_preset_companion(struct device *dev, |
781 | struct acpi_device *parent, u64 addr) | |
782 | { | |
783 | } | |
784 | ||
45c42a7f JN |
785 | static inline const char *acpi_dev_name(struct acpi_device *adev) |
786 | { | |
787 | return NULL; | |
788 | } | |
789 | ||
daae45ca LW |
790 | static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) |
791 | { | |
792 | return NULL; | |
793 | } | |
794 | ||
4a7a16dc | 795 | static inline void acpi_early_init(void) { } |
b064a8fa | 796 | static inline void acpi_subsystem_init(void) { } |
53de49f5 | 797 | |
cbf9bd60 YL |
798 | static inline int early_acpi_boot_init(void) |
799 | { | |
800 | return 0; | |
801 | } | |
53de49f5 AM |
802 | static inline int acpi_boot_init(void) |
803 | { | |
804 | return 0; | |
805 | } | |
806 | ||
8558e394 | 807 | static inline void acpi_boot_table_init(void) |
53de49f5 | 808 | { |
8558e394 | 809 | return; |
53de49f5 AM |
810 | } |
811 | ||
3c999f14 YL |
812 | static inline int acpi_mps_check(void) |
813 | { | |
814 | return 0; | |
815 | } | |
816 | ||
443dea72 TR |
817 | static inline int acpi_check_resource_conflict(struct resource *res) |
818 | { | |
819 | return 0; | |
820 | } | |
821 | ||
df92e695 TR |
822 | static inline int acpi_check_region(resource_size_t start, resource_size_t n, |
823 | const char *name) | |
824 | { | |
825 | return 0; | |
826 | } | |
827 | ||
e55a5999 FT |
828 | struct acpi_table_header; |
829 | static inline int acpi_table_parse(char *id, | |
830 | int (*handler)(struct acpi_table_header *)) | |
831 | { | |
f8a571b2 | 832 | return -ENODEV; |
e55a5999 | 833 | } |
6fed05c9 | 834 | |
b54ac6d2 | 835 | static inline int acpi_nvs_register(__u64 start, __u64 size) |
6fed05c9 RW |
836 | { |
837 | return 0; | |
838 | } | |
b54ac6d2 HY |
839 | |
840 | static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), | |
841 | void *data) | |
842 | { | |
843 | return 0; | |
844 | } | |
845 | ||
cf761af9 MW |
846 | struct acpi_device_id; |
847 | ||
848 | static inline const struct acpi_device_id *acpi_match_device( | |
849 | const struct acpi_device_id *ids, const struct device *dev) | |
80212a16 SK |
850 | { |
851 | return NULL; | |
852 | } | |
853 | ||
67dcc26d | 854 | static inline const void *acpi_device_get_match_data(const struct device *dev) |
cf761af9 MW |
855 | { |
856 | return NULL; | |
857 | } | |
858 | ||
859 | static inline bool acpi_driver_match_device(struct device *dev, | |
860 | const struct device_driver *drv) | |
861 | { | |
862 | return false; | |
863 | } | |
864 | ||
4ae39924 | 865 | static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, |
94116f81 | 866 | const guid_t *guid, |
1e0cb59d | 867 | u64 rev, u64 func, |
4ae39924 KY |
868 | union acpi_object *argv4) |
869 | { | |
870 | return NULL; | |
871 | } | |
872 | ||
6eb2451f ZR |
873 | static inline int acpi_device_uevent_modalias(struct device *dev, |
874 | struct kobj_uevent_env *env) | |
875 | { | |
876 | return -ENODEV; | |
877 | } | |
878 | ||
879 | static inline int acpi_device_modalias(struct device *dev, | |
880 | char *buf, int size) | |
881 | { | |
882 | return -ENODEV; | |
883 | } | |
884 | ||
ee61cfd9 SG |
885 | static inline struct platform_device * |
886 | acpi_create_platform_device(struct acpi_device *adev, | |
887 | struct property_entry *properties) | |
888 | { | |
889 | return NULL; | |
890 | } | |
891 | ||
b84f196d | 892 | static inline bool acpi_dma_supported(struct acpi_device *adev) |
d0562674 SS |
893 | { |
894 | return false; | |
895 | } | |
896 | ||
b84f196d SS |
897 | static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) |
898 | { | |
899 | return DEV_DMA_NOT_SUPPORTED; | |
900 | } | |
901 | ||
c04ac679 LP |
902 | static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr, |
903 | u64 *offset, u64 *size) | |
904 | { | |
905 | return -ENODEV; | |
906 | } | |
907 | ||
5a1bb638 S |
908 | static inline int acpi_dma_configure(struct device *dev, |
909 | enum dev_dma_attr attr) | |
910 | { | |
911 | return 0; | |
912 | } | |
d760a1ba | 913 | |
b8e069a2 LP |
914 | static inline int acpi_dma_configure_id(struct device *dev, |
915 | enum dev_dma_attr attr, | |
916 | const u32 *input_id) | |
917 | { | |
918 | return 0; | |
919 | } | |
920 | ||
cf761af9 MW |
921 | #define ACPI_PTR(_ptr) (NULL) |
922 | ||
10c7e20b OP |
923 | static inline void acpi_device_set_enumerated(struct acpi_device *adev) |
924 | { | |
925 | } | |
926 | ||
927 | static inline void acpi_device_clear_enumerated(struct acpi_device *adev) | |
928 | { | |
929 | } | |
930 | ||
68bdb677 OP |
931 | static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) |
932 | { | |
933 | return -EINVAL; | |
934 | } | |
935 | ||
936 | static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) | |
937 | { | |
938 | return -EINVAL; | |
939 | } | |
940 | ||
00710984 BH |
941 | static inline struct acpi_device *acpi_resource_consumer(struct resource *res) |
942 | { | |
943 | return NULL; | |
944 | } | |
945 | ||
b54ac6d2 | 946 | #endif /* !CONFIG_ACPI */ |
6fed05c9 | 947 | |
fe7bd58f RW |
948 | #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC |
949 | int acpi_ioapic_add(acpi_handle root); | |
950 | #else | |
951 | static inline int acpi_ioapic_add(acpi_handle root) { return 0; } | |
952 | #endif | |
953 | ||
09f98a82 TL |
954 | #ifdef CONFIG_ACPI |
955 | void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, | |
956 | u32 pm1a_ctrl, u32 pm1b_ctrl)); | |
957 | ||
958 | acpi_status acpi_os_prepare_sleep(u8 sleep_state, | |
959 | u32 pm1a_control, u32 pm1b_control); | |
d6b47b12 BG |
960 | |
961 | void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, | |
962 | u32 val_a, u32 val_b)); | |
963 | ||
964 | acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, | |
965 | u32 val_a, u32 val_b); | |
966 | ||
a509a66a | 967 | #ifndef CONFIG_IA64 |
8e30524d TR |
968 | void arch_reserve_mem_area(acpi_physical_address addr, size_t size); |
969 | #else | |
970 | static inline void arch_reserve_mem_area(acpi_physical_address addr, | |
971 | size_t size) | |
972 | { | |
973 | } | |
974 | #endif /* CONFIG_X86 */ | |
09f98a82 TL |
975 | #else |
976 | #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) | |
977 | #endif | |
978 | ||
5de21bb9 | 979 | #if defined(CONFIG_ACPI) && defined(CONFIG_PM) |
cbe25ce3 | 980 | int acpi_dev_suspend(struct device *dev, bool wakeup); |
63705c40 | 981 | int acpi_dev_resume(struct device *dev); |
e5cc8ef3 RW |
982 | int acpi_subsys_runtime_suspend(struct device *dev); |
983 | int acpi_subsys_runtime_resume(struct device *dev); | |
5de21bb9 | 984 | int acpi_dev_pm_attach(struct device *dev, bool power_on); |
e5cc8ef3 | 985 | #else |
e5cc8ef3 RW |
986 | static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } |
987 | static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } | |
5de21bb9 RW |
988 | static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) |
989 | { | |
919b7308 | 990 | return 0; |
5de21bb9 | 991 | } |
e5cc8ef3 RW |
992 | #endif |
993 | ||
d79beb39 | 994 | #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) |
e5cc8ef3 | 995 | int acpi_subsys_prepare(struct device *dev); |
4cf563c5 | 996 | void acpi_subsys_complete(struct device *dev); |
e5cc8ef3 | 997 | int acpi_subsys_suspend_late(struct device *dev); |
05087360 | 998 | int acpi_subsys_suspend_noirq(struct device *dev); |
4cf563c5 HK |
999 | int acpi_subsys_suspend(struct device *dev); |
1000 | int acpi_subsys_freeze(struct device *dev); | |
c95b7595 | 1001 | int acpi_subsys_poweroff(struct device *dev); |
10a08fd6 RW |
1002 | void acpi_ec_mark_gpe_for_wake(void); |
1003 | void acpi_ec_set_gpe_wake_mask(u8 action); | |
e5cc8ef3 | 1004 | #else |
e5cc8ef3 | 1005 | static inline int acpi_subsys_prepare(struct device *dev) { return 0; } |
4cf563c5 | 1006 | static inline void acpi_subsys_complete(struct device *dev) {} |
e5cc8ef3 | 1007 | static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } |
05087360 | 1008 | static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } |
4cf563c5 HK |
1009 | static inline int acpi_subsys_suspend(struct device *dev) { return 0; } |
1010 | static inline int acpi_subsys_freeze(struct device *dev) { return 0; } | |
c95b7595 | 1011 | static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } |
10a08fd6 RW |
1012 | static inline void acpi_ec_mark_gpe_for_wake(void) {} |
1013 | static inline void acpi_ec_set_gpe_wake_mask(u8 action) {} | |
e5cc8ef3 RW |
1014 | #endif |
1015 | ||
fbfddae6 TK |
1016 | #ifdef CONFIG_ACPI |
1017 | __printf(3, 4) | |
1018 | void acpi_handle_printk(const char *level, acpi_handle handle, | |
1019 | const char *fmt, ...); | |
1020 | #else /* !CONFIG_ACPI */ | |
1021 | static inline __printf(3, 4) void | |
1022 | acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} | |
1023 | #endif /* !CONFIG_ACPI */ | |
1024 | ||
45fef5b8 BM |
1025 | #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) |
1026 | __printf(3, 4) | |
1027 | void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); | |
45fef5b8 BM |
1028 | #endif |
1029 | ||
fbfddae6 TK |
1030 | /* |
1031 | * acpi_handle_<level>: Print message with ACPI prefix and object path | |
1032 | * | |
1033 | * These interfaces acquire the global namespace mutex to obtain an object | |
1034 | * path. In interrupt context, it shows the object path as <n/a>. | |
1035 | */ | |
1036 | #define acpi_handle_emerg(handle, fmt, ...) \ | |
1037 | acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) | |
1038 | #define acpi_handle_alert(handle, fmt, ...) \ | |
1039 | acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) | |
1040 | #define acpi_handle_crit(handle, fmt, ...) \ | |
1041 | acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) | |
1042 | #define acpi_handle_err(handle, fmt, ...) \ | |
1043 | acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) | |
1044 | #define acpi_handle_warn(handle, fmt, ...) \ | |
1045 | acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) | |
1046 | #define acpi_handle_notice(handle, fmt, ...) \ | |
1047 | acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) | |
1048 | #define acpi_handle_info(handle, fmt, ...) \ | |
1049 | acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) | |
1050 | ||
45fef5b8 | 1051 | #if defined(DEBUG) |
fbfddae6 TK |
1052 | #define acpi_handle_debug(handle, fmt, ...) \ |
1053 | acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) | |
1054 | #else | |
45fef5b8 BM |
1055 | #if defined(CONFIG_DYNAMIC_DEBUG) |
1056 | #define acpi_handle_debug(handle, fmt, ...) \ | |
f1ebe04f RV |
1057 | _dynamic_func_call(fmt, __acpi_handle_debug, \ |
1058 | handle, pr_fmt(fmt), ##__VA_ARGS__) | |
45fef5b8 | 1059 | #else |
fbfddae6 TK |
1060 | #define acpi_handle_debug(handle, fmt, ...) \ |
1061 | ({ \ | |
1062 | if (0) \ | |
1063 | acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ | |
1064 | 0; \ | |
1065 | }) | |
1066 | #endif | |
45fef5b8 | 1067 | #endif |
fbfddae6 | 1068 | |
f028d524 | 1069 | #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) |
25e3ef89 AS |
1070 | bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, |
1071 | struct acpi_resource_gpio **agpio); | |
c884fbd4 | 1072 | int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index); |
f028d524 | 1073 | #else |
25e3ef89 AS |
1074 | static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, |
1075 | struct acpi_resource_gpio **agpio) | |
1076 | { | |
1077 | return false; | |
1078 | } | |
c884fbd4 MW |
1079 | static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) |
1080 | { | |
1081 | return -ENXIO; | |
1082 | } | |
f028d524 RW |
1083 | #endif |
1084 | ||
ffdcd955 MW |
1085 | /* Device properties */ |
1086 | ||
ffdcd955 | 1087 | #ifdef CONFIG_ACPI |
99a85464 | 1088 | int acpi_dev_get_property(const struct acpi_device *adev, const char *name, |
ffdcd955 | 1089 | acpi_object_type type, const union acpi_object **obj); |
99a85464 | 1090 | int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, |
b60e4ea4 | 1091 | const char *name, size_t index, size_t num_args, |
977d5ad3 | 1092 | struct fwnode_reference_args *args); |
b60e4ea4 | 1093 | |
99a85464 SA |
1094 | static inline int acpi_node_get_property_reference( |
1095 | const struct fwnode_handle *fwnode, | |
b60e4ea4 | 1096 | const char *name, size_t index, |
977d5ad3 | 1097 | struct fwnode_reference_args *args) |
b60e4ea4 MW |
1098 | { |
1099 | return __acpi_node_get_property_reference(fwnode, name, index, | |
977d5ad3 | 1100 | NR_FWNODE_REFERENCE_ARGS, args); |
b60e4ea4 | 1101 | } |
b31384fa | 1102 | |
5f5e4890 MW |
1103 | static inline bool acpi_dev_has_props(const struct acpi_device *adev) |
1104 | { | |
1105 | return !list_empty(&adev->data.properties); | |
1106 | } | |
1107 | ||
1108 | struct acpi_device_properties * | |
1109 | acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, | |
1110 | const union acpi_object *properties); | |
1111 | ||
99a85464 | 1112 | int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, |
3a7a2ab8 | 1113 | void **valptr); |
99a85464 SA |
1114 | int acpi_dev_prop_read_single(struct acpi_device *adev, |
1115 | const char *propname, enum dev_prop_type proptype, | |
1116 | void *val); | |
1117 | int acpi_node_prop_read(const struct fwnode_handle *fwnode, | |
1118 | const char *propname, enum dev_prop_type proptype, | |
1119 | void *val, size_t nval); | |
1120 | int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname, | |
b31384fa | 1121 | enum dev_prop_type proptype, void *val, size_t nval); |
8a0662d9 | 1122 | |
37ba983c | 1123 | struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, |
34055190 | 1124 | struct fwnode_handle *child); |
37ba983c | 1125 | struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode); |
e647b532 MZ |
1126 | |
1127 | struct acpi_probe_entry; | |
1128 | typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, | |
1129 | struct acpi_probe_entry *); | |
1130 | ||
1131 | #define ACPI_TABLE_ID_LEN 5 | |
1132 | ||
1133 | /** | |
1134 | * struct acpi_probe_entry - boot-time probing entry | |
1135 | * @id: ACPI table name | |
1136 | * @type: Optional subtable type to match | |
1137 | * (if @id contains subtables) | |
1138 | * @subtable_valid: Optional callback to check the validity of | |
1139 | * the subtable | |
1140 | * @probe_table: Callback to the driver being probed when table | |
1141 | * match is successful | |
1142 | * @probe_subtbl: Callback to the driver being probed when table and | |
1143 | * subtable match (and optional callback is successful) | |
1144 | * @driver_data: Sideband data provided back to the driver | |
1145 | */ | |
1146 | struct acpi_probe_entry { | |
1147 | __u8 id[ACPI_TABLE_ID_LEN]; | |
1148 | __u8 type; | |
1149 | acpi_probe_entry_validate_subtbl subtable_valid; | |
1150 | union { | |
1151 | acpi_tbl_table_handler probe_table; | |
1152 | acpi_tbl_entry_handler probe_subtbl; | |
1153 | }; | |
1154 | kernel_ulong_t driver_data; | |
1155 | }; | |
1156 | ||
8ebf642f OC |
1157 | #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \ |
1158 | valid, data, fn) \ | |
e647b532 | 1159 | static const struct acpi_probe_entry __acpi_probe_##name \ |
33def849 | 1160 | __used __section("__" #table "_acpi_probe_table") = { \ |
e647b532 MZ |
1161 | .id = table_id, \ |
1162 | .type = subtable, \ | |
1163 | .subtable_valid = valid, \ | |
8ebf642f OC |
1164 | .probe_table = fn, \ |
1165 | .driver_data = data, \ | |
1166 | } | |
e647b532 | 1167 | |
89778093 OC |
1168 | #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \ |
1169 | subtable, valid, data, fn) \ | |
1170 | static const struct acpi_probe_entry __acpi_probe_##name \ | |
33def849 | 1171 | __used __section("__" #table "_acpi_probe_table") = { \ |
89778093 OC |
1172 | .id = table_id, \ |
1173 | .type = subtable, \ | |
1174 | .subtable_valid = valid, \ | |
1175 | .probe_subtbl = fn, \ | |
1176 | .driver_data = data, \ | |
1177 | } | |
e647b532 MZ |
1178 | |
1179 | #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table | |
1180 | #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end | |
1181 | ||
1182 | int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); | |
1183 | ||
1184 | #define acpi_probe_device_table(t) \ | |
1185 | ({ \ | |
1186 | extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ | |
1187 | ACPI_PROBE_TABLE_END(t); \ | |
1188 | __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ | |
1189 | (&ACPI_PROBE_TABLE_END(t) - \ | |
1190 | &ACPI_PROBE_TABLE(t))); \ | |
1191 | }) | |
ffdcd955 MW |
1192 | #else |
1193 | static inline int acpi_dev_get_property(struct acpi_device *adev, | |
1194 | const char *name, acpi_object_type type, | |
1195 | const union acpi_object **obj) | |
1196 | { | |
1197 | return -ENXIO; | |
1198 | } | |
3a7a2ab8 | 1199 | |
b60e4ea4 | 1200 | static inline int |
99a85464 | 1201 | __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, |
b60e4ea4 | 1202 | const char *name, size_t index, size_t num_args, |
977d5ad3 | 1203 | struct fwnode_reference_args *args) |
b60e4ea4 MW |
1204 | { |
1205 | return -ENXIO; | |
1206 | } | |
1207 | ||
99a85464 SA |
1208 | static inline int |
1209 | acpi_node_get_property_reference(const struct fwnode_handle *fwnode, | |
1210 | const char *name, size_t index, | |
977d5ad3 | 1211 | struct fwnode_reference_args *args) |
ffdcd955 MW |
1212 | { |
1213 | return -ENXIO; | |
1214 | } | |
b31384fa | 1215 | |
99a85464 | 1216 | static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, |
3a7a2ab8 RW |
1217 | const char *propname, |
1218 | void **valptr) | |
ffdcd955 MW |
1219 | { |
1220 | return -ENXIO; | |
1221 | } | |
b31384fa | 1222 | |
99a85464 | 1223 | static inline int acpi_dev_prop_read_single(const struct acpi_device *adev, |
b31384fa RW |
1224 | const char *propname, |
1225 | enum dev_prop_type proptype, | |
1226 | void *val) | |
1227 | { | |
1228 | return -ENXIO; | |
1229 | } | |
1230 | ||
99a85464 | 1231 | static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode, |
3a7a2ab8 RW |
1232 | const char *propname, |
1233 | enum dev_prop_type proptype, | |
1234 | void *val, size_t nval) | |
1235 | { | |
1236 | return -ENXIO; | |
1237 | } | |
1238 | ||
99a85464 | 1239 | static inline int acpi_dev_prop_read(const struct acpi_device *adev, |
b31384fa RW |
1240 | const char *propname, |
1241 | enum dev_prop_type proptype, | |
1242 | void *val, size_t nval) | |
1243 | { | |
1244 | return -ENXIO; | |
1245 | } | |
1246 | ||
34055190 | 1247 | static inline struct fwnode_handle * |
37ba983c SA |
1248 | acpi_get_next_subnode(const struct fwnode_handle *fwnode, |
1249 | struct fwnode_handle *child) | |
8a0662d9 RW |
1250 | { |
1251 | return NULL; | |
1252 | } | |
1253 | ||
dfa672fb | 1254 | static inline struct fwnode_handle * |
37ba983c | 1255 | acpi_node_get_parent(const struct fwnode_handle *fwnode) |
dfa672fb MW |
1256 | { |
1257 | return NULL; | |
1258 | } | |
1259 | ||
79389a83 | 1260 | static inline struct fwnode_handle * |
37ba983c | 1261 | acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, |
79389a83 MW |
1262 | struct fwnode_handle *prev) |
1263 | { | |
1264 | return ERR_PTR(-ENXIO); | |
1265 | } | |
1266 | ||
1267 | static inline int | |
37ba983c | 1268 | acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, |
79389a83 MW |
1269 | struct fwnode_handle **remote, |
1270 | struct fwnode_handle **port, | |
1271 | struct fwnode_handle **endpoint) | |
1272 | { | |
1273 | return -ENXIO; | |
1274 | } | |
1275 | ||
3feab13c | 1276 | #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ |
e647b532 MZ |
1277 | static const void * __acpi_table_##name[] \ |
1278 | __attribute__((unused)) \ | |
1279 | = { (void *) table_id, \ | |
1280 | (void *) subtable, \ | |
1281 | (void *) valid, \ | |
1282 | (void *) fn, \ | |
1283 | (void *) data } | |
1284 | ||
1285 | #define acpi_probe_device_table(t) ({ int __r = 0; __r;}) | |
ffdcd955 MW |
1286 | #endif |
1287 | ||
da3d3f98 AM |
1288 | #ifdef CONFIG_ACPI_TABLE_UPGRADE |
1289 | void acpi_table_upgrade(void); | |
1290 | #else | |
1291 | static inline void acpi_table_upgrade(void) { } | |
1292 | #endif | |
1293 | ||
058dfc76 MW |
1294 | #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) |
1295 | extern bool acpi_has_watchdog(void); | |
1296 | #else | |
1297 | static inline bool acpi_has_watchdog(void) { return false; } | |
1298 | #endif | |
1299 | ||
ad1696f6 | 1300 | #ifdef CONFIG_ACPI_SPCR_TABLE |
37ef38f3 | 1301 | extern bool qdf2400_e44_present; |
0231d000 | 1302 | int acpi_parse_spcr(bool enable_earlycon, bool enable_console); |
ad1696f6 | 1303 | #else |
0231d000 PB |
1304 | static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) |
1305 | { | |
1306 | return 0; | |
1307 | } | |
ad1696f6 AM |
1308 | #endif |
1309 | ||
d44fa3d4 AVF |
1310 | #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) |
1311 | int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); | |
1312 | #else | |
1313 | static inline | |
1314 | int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) | |
1315 | { | |
1316 | return -EINVAL; | |
1317 | } | |
1318 | #endif | |
1319 | ||
eeb2d80d SP |
1320 | #ifdef CONFIG_ACPI_LPIT |
1321 | int lpit_read_residency_count_address(u64 *address); | |
1322 | #else | |
1323 | static inline int lpit_read_residency_count_address(u64 *address) | |
1324 | { | |
1325 | return -EINVAL; | |
1326 | } | |
1327 | #endif | |
1328 | ||
2520e627 | 1329 | #ifdef CONFIG_ACPI_PPTT |
bbd1b706 | 1330 | int acpi_pptt_cpu_is_thread(unsigned int cpu); |
2bd00bcd JL |
1331 | int find_acpi_cpu_topology(unsigned int cpu, int level); |
1332 | int find_acpi_cpu_topology_package(unsigned int cpu); | |
56855a99 | 1333 | int find_acpi_cpu_topology_hetero_id(unsigned int cpu); |
2bd00bcd | 1334 | int find_acpi_cpu_cache_topology(unsigned int cpu, int level); |
2520e627 | 1335 | #else |
bbd1b706 JL |
1336 | static inline int acpi_pptt_cpu_is_thread(unsigned int cpu) |
1337 | { | |
1338 | return -EINVAL; | |
1339 | } | |
2520e627 SH |
1340 | static inline int find_acpi_cpu_topology(unsigned int cpu, int level) |
1341 | { | |
1342 | return -EINVAL; | |
1343 | } | |
1344 | static inline int find_acpi_cpu_topology_package(unsigned int cpu) | |
1345 | { | |
1346 | return -EINVAL; | |
1347 | } | |
56855a99 JL |
1348 | static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) |
1349 | { | |
1350 | return -EINVAL; | |
1351 | } | |
2520e627 SH |
1352 | static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level) |
1353 | { | |
1354 | return -EINVAL; | |
1355 | } | |
1356 | #endif | |
2bd00bcd | 1357 | |
7847a145 HK |
1358 | #ifdef CONFIG_ACPI |
1359 | extern int acpi_platform_notify(struct device *dev, enum kobject_action action); | |
1360 | #else | |
1361 | static inline int | |
1362 | acpi_platform_notify(struct device *dev, enum kobject_action action) | |
1363 | { | |
1364 | return 0; | |
1365 | } | |
1366 | #endif | |
1367 | ||
25be5e6c | 1368 | #endif /*_LINUX_ACPI_H*/ |