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1 | /* | |
2 | * acpi.h - ACPI Interface | |
3 | * | |
4 | * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> | |
5 | * | |
6 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
19 | */ | |
20 | ||
21 | #ifndef _LINUX_ACPI_H | |
22 | #define _LINUX_ACPI_H | |
23 | ||
24 | #include <linux/errno.h> | |
25 | #include <linux/ioport.h> /* for struct resource */ | |
26 | #include <linux/resource_ext.h> | |
27 | #include <linux/device.h> | |
28 | #include <linux/property.h> | |
29 | ||
30 | #ifndef _LINUX | |
31 | #define _LINUX | |
32 | #endif | |
33 | #include <acpi/acpi.h> | |
34 | ||
35 | #ifdef CONFIG_ACPI | |
36 | ||
37 | #include <linux/list.h> | |
38 | #include <linux/mod_devicetable.h> | |
39 | #include <linux/dynamic_debug.h> | |
40 | #include <linux/module.h> | |
41 | #include <linux/mutex.h> | |
42 | ||
43 | #include <acpi/acpi_bus.h> | |
44 | #include <acpi/acpi_drivers.h> | |
45 | #include <acpi/acpi_numa.h> | |
46 | #include <acpi/acpi_io.h> | |
47 | #include <asm/acpi.h> | |
48 | ||
49 | static inline acpi_handle acpi_device_handle(struct acpi_device *adev) | |
50 | { | |
51 | return adev ? adev->handle : NULL; | |
52 | } | |
53 | ||
54 | #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode) | |
55 | #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \ | |
56 | acpi_fwnode_handle(adev) : NULL) | |
57 | #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) | |
58 | ||
59 | static inline struct fwnode_handle *acpi_alloc_fwnode_static(void) | |
60 | { | |
61 | struct fwnode_handle *fwnode; | |
62 | ||
63 | fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL); | |
64 | if (!fwnode) | |
65 | return NULL; | |
66 | ||
67 | fwnode->type = FWNODE_ACPI_STATIC; | |
68 | ||
69 | return fwnode; | |
70 | } | |
71 | ||
72 | static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode) | |
73 | { | |
74 | if (WARN_ON(!fwnode || fwnode->type != FWNODE_ACPI_STATIC)) | |
75 | return; | |
76 | ||
77 | kfree(fwnode); | |
78 | } | |
79 | ||
80 | /** | |
81 | * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with | |
82 | * the PCI-defined class-code information | |
83 | * | |
84 | * @_cls : the class, subclass, prog-if triple for this device | |
85 | * @_msk : the class mask for this device | |
86 | * | |
87 | * This macro is used to create a struct acpi_device_id that matches a | |
88 | * specific PCI class. The .id and .driver_data fields will be left | |
89 | * initialized with the default value. | |
90 | */ | |
91 | #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk), | |
92 | ||
93 | static inline bool has_acpi_companion(struct device *dev) | |
94 | { | |
95 | return is_acpi_device_node(dev->fwnode); | |
96 | } | |
97 | ||
98 | static inline void acpi_preset_companion(struct device *dev, | |
99 | struct acpi_device *parent, u64 addr) | |
100 | { | |
101 | ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL)); | |
102 | } | |
103 | ||
104 | static inline const char *acpi_dev_name(struct acpi_device *adev) | |
105 | { | |
106 | return dev_name(&adev->dev); | |
107 | } | |
108 | ||
109 | struct device *acpi_get_first_physical_node(struct acpi_device *adev); | |
110 | ||
111 | enum acpi_irq_model_id { | |
112 | ACPI_IRQ_MODEL_PIC = 0, | |
113 | ACPI_IRQ_MODEL_IOAPIC, | |
114 | ACPI_IRQ_MODEL_IOSAPIC, | |
115 | ACPI_IRQ_MODEL_PLATFORM, | |
116 | ACPI_IRQ_MODEL_GIC, | |
117 | ACPI_IRQ_MODEL_COUNT | |
118 | }; | |
119 | ||
120 | extern enum acpi_irq_model_id acpi_irq_model; | |
121 | ||
122 | enum acpi_interrupt_id { | |
123 | ACPI_INTERRUPT_PMI = 1, | |
124 | ACPI_INTERRUPT_INIT, | |
125 | ACPI_INTERRUPT_CPEI, | |
126 | ACPI_INTERRUPT_COUNT | |
127 | }; | |
128 | ||
129 | #define ACPI_SPACE_MEM 0 | |
130 | ||
131 | enum acpi_address_range_id { | |
132 | ACPI_ADDRESS_RANGE_MEMORY = 1, | |
133 | ACPI_ADDRESS_RANGE_RESERVED = 2, | |
134 | ACPI_ADDRESS_RANGE_ACPI = 3, | |
135 | ACPI_ADDRESS_RANGE_NVS = 4, | |
136 | ACPI_ADDRESS_RANGE_COUNT | |
137 | }; | |
138 | ||
139 | ||
140 | /* Table Handlers */ | |
141 | ||
142 | typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); | |
143 | ||
144 | typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header, | |
145 | 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 | |
174 | static inline int acpi_debugger_init(void) | |
175 | { | |
176 | return -ENODEV; | |
177 | } | |
178 | ||
179 | static inline int acpi_register_debugger(struct module *owner, | |
180 | const struct acpi_debugger_ops *ops) | |
181 | { | |
182 | return -ENODEV; | |
183 | } | |
184 | ||
185 | static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) | |
186 | { | |
187 | } | |
188 | ||
189 | static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, | |
190 | void *context) | |
191 | { | |
192 | return -ENODEV; | |
193 | } | |
194 | ||
195 | static inline int acpi_debugger_write_log(const char *msg) | |
196 | { | |
197 | return -ENODEV; | |
198 | } | |
199 | ||
200 | static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) | |
201 | { | |
202 | return -ENODEV; | |
203 | } | |
204 | ||
205 | static inline int acpi_debugger_wait_command_ready(void) | |
206 | { | |
207 | return -ENODEV; | |
208 | } | |
209 | ||
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 | int count; | |
224 | }; | |
225 | ||
226 | char * __acpi_map_table (unsigned long phys_addr, unsigned long size); | |
227 | void __acpi_unmap_table(char *map, unsigned long size); | |
228 | int early_acpi_boot_init(void); | |
229 | int acpi_boot_init (void); | |
230 | void acpi_boot_table_init (void); | |
231 | int acpi_mps_check (void); | |
232 | int acpi_numa_init (void); | |
233 | ||
234 | int acpi_table_init (void); | |
235 | int acpi_table_parse(char *id, acpi_tbl_table_handler handler); | |
236 | int __init acpi_parse_entries(char *id, unsigned long table_size, | |
237 | acpi_tbl_entry_handler handler, | |
238 | struct acpi_table_header *table_header, | |
239 | int entry_id, unsigned int max_entries); | |
240 | int __init acpi_table_parse_entries(char *id, unsigned long table_size, | |
241 | int entry_id, | |
242 | acpi_tbl_entry_handler handler, | |
243 | unsigned int max_entries); | |
244 | int __init acpi_table_parse_entries_array(char *id, unsigned long table_size, | |
245 | struct acpi_subtable_proc *proc, int proc_num, | |
246 | unsigned int max_entries); | |
247 | int acpi_table_parse_madt(enum acpi_madt_type id, | |
248 | acpi_tbl_entry_handler handler, | |
249 | unsigned int max_entries); | |
250 | int acpi_parse_mcfg (struct acpi_table_header *header); | |
251 | void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); | |
252 | ||
253 | /* the following numa functions are architecture-dependent */ | |
254 | void acpi_numa_slit_init (struct acpi_table_slit *slit); | |
255 | ||
256 | #if defined(CONFIG_X86) || defined(CONFIG_IA64) | |
257 | void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); | |
258 | #else | |
259 | static inline void | |
260 | acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } | |
261 | #endif | |
262 | ||
263 | void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); | |
264 | ||
265 | #ifdef CONFIG_ARM64 | |
266 | void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); | |
267 | #else | |
268 | static inline void | |
269 | acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } | |
270 | #endif | |
271 | ||
272 | int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); | |
273 | ||
274 | #ifndef PHYS_CPUID_INVALID | |
275 | typedef u32 phys_cpuid_t; | |
276 | #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) | |
277 | #endif | |
278 | ||
279 | static inline bool invalid_logical_cpuid(u32 cpuid) | |
280 | { | |
281 | return (int)cpuid < 0; | |
282 | } | |
283 | ||
284 | static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) | |
285 | { | |
286 | return phys_id == PHYS_CPUID_INVALID; | |
287 | } | |
288 | ||
289 | /* Validate the processor object's proc_id */ | |
290 | bool acpi_processor_validate_proc_id(int proc_id); | |
291 | ||
292 | #ifdef CONFIG_ACPI_HOTPLUG_CPU | |
293 | /* Arch dependent functions for cpu hotplug support */ | |
294 | int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu); | |
295 | int acpi_unmap_cpu(int cpu); | |
296 | int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid); | |
297 | #endif /* CONFIG_ACPI_HOTPLUG_CPU */ | |
298 | ||
299 | void acpi_set_processor_mapping(void); | |
300 | ||
301 | #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC | |
302 | int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); | |
303 | #endif | |
304 | ||
305 | int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); | |
306 | int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); | |
307 | int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); | |
308 | void acpi_irq_stats_init(void); | |
309 | extern u32 acpi_irq_handled; | |
310 | extern u32 acpi_irq_not_handled; | |
311 | extern unsigned int acpi_sci_irq; | |
312 | extern bool acpi_no_s5; | |
313 | #define INVALID_ACPI_IRQ ((unsigned)-1) | |
314 | static inline bool acpi_sci_irq_valid(void) | |
315 | { | |
316 | return acpi_sci_irq != INVALID_ACPI_IRQ; | |
317 | } | |
318 | ||
319 | extern int sbf_port; | |
320 | extern unsigned long acpi_realmode_flags; | |
321 | ||
322 | int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); | |
323 | int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); | |
324 | int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); | |
325 | ||
326 | void acpi_set_irq_model(enum acpi_irq_model_id model, | |
327 | struct fwnode_handle *fwnode); | |
328 | ||
329 | #ifdef CONFIG_X86_IO_APIC | |
330 | extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); | |
331 | #else | |
332 | #define acpi_get_override_irq(gsi, trigger, polarity) (-1) | |
333 | #endif | |
334 | /* | |
335 | * This function undoes the effect of one call to acpi_register_gsi(). | |
336 | * If this matches the last registration, any IRQ resources for gsi | |
337 | * are freed. | |
338 | */ | |
339 | void acpi_unregister_gsi (u32 gsi); | |
340 | ||
341 | struct pci_dev; | |
342 | ||
343 | int acpi_pci_irq_enable (struct pci_dev *dev); | |
344 | void acpi_penalize_isa_irq(int irq, int active); | |
345 | bool acpi_isa_irq_available(int irq); | |
346 | void acpi_penalize_sci_irq(int irq, int trigger, int polarity); | |
347 | void acpi_pci_irq_disable (struct pci_dev *dev); | |
348 | ||
349 | extern int ec_read(u8 addr, u8 *val); | |
350 | extern int ec_write(u8 addr, u8 val); | |
351 | extern int ec_transaction(u8 command, | |
352 | const u8 *wdata, unsigned wdata_len, | |
353 | u8 *rdata, unsigned rdata_len); | |
354 | extern acpi_handle ec_get_handle(void); | |
355 | ||
356 | extern bool acpi_is_pnp_device(struct acpi_device *); | |
357 | ||
358 | #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) | |
359 | ||
360 | typedef void (*wmi_notify_handler) (u32 value, void *context); | |
361 | ||
362 | extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, | |
363 | u32 method_id, | |
364 | const struct acpi_buffer *in, | |
365 | struct acpi_buffer *out); | |
366 | extern acpi_status wmi_query_block(const char *guid, u8 instance, | |
367 | struct acpi_buffer *out); | |
368 | extern acpi_status wmi_set_block(const char *guid, u8 instance, | |
369 | const struct acpi_buffer *in); | |
370 | extern acpi_status wmi_install_notify_handler(const char *guid, | |
371 | wmi_notify_handler handler, void *data); | |
372 | extern acpi_status wmi_remove_notify_handler(const char *guid); | |
373 | extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); | |
374 | extern bool wmi_has_guid(const char *guid); | |
375 | ||
376 | #endif /* CONFIG_ACPI_WMI */ | |
377 | ||
378 | #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 | |
379 | #define ACPI_VIDEO_DEVICE_POSTING 0x0002 | |
380 | #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 | |
381 | #define ACPI_VIDEO_BACKLIGHT 0x0008 | |
382 | #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 | |
383 | #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 | |
384 | #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 | |
385 | #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 | |
386 | #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 | |
387 | #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 | |
388 | #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 | |
389 | #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 | |
390 | ||
391 | extern char acpi_video_backlight_string[]; | |
392 | extern long acpi_is_video_device(acpi_handle handle); | |
393 | extern int acpi_blacklisted(void); | |
394 | extern void acpi_osi_setup(char *str); | |
395 | extern bool acpi_osi_is_win8(void); | |
396 | ||
397 | #ifdef CONFIG_ACPI_NUMA | |
398 | int acpi_map_pxm_to_online_node(int pxm); | |
399 | int acpi_get_node(acpi_handle handle); | |
400 | #else | |
401 | static inline int acpi_map_pxm_to_online_node(int pxm) | |
402 | { | |
403 | return 0; | |
404 | } | |
405 | static inline int acpi_get_node(acpi_handle handle) | |
406 | { | |
407 | return 0; | |
408 | } | |
409 | #endif | |
410 | extern int acpi_paddr_to_node(u64 start_addr, u64 size); | |
411 | ||
412 | extern int pnpacpi_disabled; | |
413 | ||
414 | #define PXM_INVAL (-1) | |
415 | ||
416 | bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); | |
417 | bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); | |
418 | bool acpi_dev_resource_address_space(struct acpi_resource *ares, | |
419 | struct resource_win *win); | |
420 | bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, | |
421 | struct resource_win *win); | |
422 | unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); | |
423 | unsigned int acpi_dev_get_irq_type(int triggering, int polarity); | |
424 | bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, | |
425 | struct resource *res); | |
426 | ||
427 | void acpi_dev_free_resource_list(struct list_head *list); | |
428 | int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, | |
429 | int (*preproc)(struct acpi_resource *, void *), | |
430 | void *preproc_data); | |
431 | int acpi_dev_filter_resource_type(struct acpi_resource *ares, | |
432 | unsigned long types); | |
433 | ||
434 | static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, | |
435 | void *arg) | |
436 | { | |
437 | return acpi_dev_filter_resource_type(ares, (unsigned long)arg); | |
438 | } | |
439 | ||
440 | struct acpi_device *acpi_resource_consumer(struct resource *res); | |
441 | ||
442 | int acpi_check_resource_conflict(const struct resource *res); | |
443 | ||
444 | int acpi_check_region(resource_size_t start, resource_size_t n, | |
445 | const char *name); | |
446 | ||
447 | int acpi_resources_are_enforced(void); | |
448 | ||
449 | #ifdef CONFIG_HIBERNATION | |
450 | void __init acpi_no_s4_hw_signature(void); | |
451 | #endif | |
452 | ||
453 | #ifdef CONFIG_PM_SLEEP | |
454 | void __init acpi_old_suspend_ordering(void); | |
455 | void __init acpi_nvs_nosave(void); | |
456 | void __init acpi_nvs_nosave_s3(void); | |
457 | #endif /* CONFIG_PM_SLEEP */ | |
458 | ||
459 | struct acpi_osc_context { | |
460 | char *uuid_str; /* UUID string */ | |
461 | int rev; | |
462 | struct acpi_buffer cap; /* list of DWORD capabilities */ | |
463 | struct acpi_buffer ret; /* free by caller if success */ | |
464 | }; | |
465 | ||
466 | acpi_status acpi_str_to_uuid(char *str, u8 *uuid); | |
467 | acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); | |
468 | ||
469 | /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */ | |
470 | #define OSC_QUERY_DWORD 0 /* DWORD 1 */ | |
471 | #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ | |
472 | #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ | |
473 | ||
474 | /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ | |
475 | #define OSC_QUERY_ENABLE 0x00000001 /* input */ | |
476 | #define OSC_REQUEST_ERROR 0x00000002 /* return */ | |
477 | #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ | |
478 | #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ | |
479 | #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ | |
480 | ||
481 | /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ | |
482 | #define OSC_SB_PAD_SUPPORT 0x00000001 | |
483 | #define OSC_SB_PPC_OST_SUPPORT 0x00000002 | |
484 | #define OSC_SB_PR3_SUPPORT 0x00000004 | |
485 | #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 | |
486 | #define OSC_SB_APEI_SUPPORT 0x00000010 | |
487 | #define OSC_SB_CPC_SUPPORT 0x00000020 | |
488 | #define OSC_SB_CPCV2_SUPPORT 0x00000040 | |
489 | #define OSC_SB_PCLPI_SUPPORT 0x00000080 | |
490 | #define OSC_SB_OSLPI_SUPPORT 0x00000100 | |
491 | #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 | |
492 | ||
493 | extern bool osc_sb_apei_support_acked; | |
494 | extern bool osc_pc_lpi_support_confirmed; | |
495 | ||
496 | /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ | |
497 | #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 | |
498 | #define OSC_PCI_ASPM_SUPPORT 0x00000002 | |
499 | #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 | |
500 | #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 | |
501 | #define OSC_PCI_MSI_SUPPORT 0x00000010 | |
502 | #define OSC_PCI_SUPPORT_MASKS 0x0000001f | |
503 | ||
504 | /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ | |
505 | #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 | |
506 | #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 | |
507 | #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 | |
508 | #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 | |
509 | #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 | |
510 | #define OSC_PCI_CONTROL_MASKS 0x0000001f | |
511 | ||
512 | #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 | |
513 | #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 | |
514 | #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 | |
515 | #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 | |
516 | #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A | |
517 | #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B | |
518 | #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C | |
519 | #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D | |
520 | #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E | |
521 | #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F | |
522 | ||
523 | extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, | |
524 | u32 *mask, u32 req); | |
525 | ||
526 | /* Enable _OST when all relevant hotplug operations are enabled */ | |
527 | #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ | |
528 | defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ | |
529 | defined(CONFIG_ACPI_CONTAINER) | |
530 | #define ACPI_HOTPLUG_OST | |
531 | #endif | |
532 | ||
533 | /* _OST Source Event Code (OSPM Action) */ | |
534 | #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 | |
535 | #define ACPI_OST_EC_OSPM_EJECT 0x103 | |
536 | #define ACPI_OST_EC_OSPM_INSERTION 0x200 | |
537 | ||
538 | /* _OST General Processing Status Code */ | |
539 | #define ACPI_OST_SC_SUCCESS 0x0 | |
540 | #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 | |
541 | #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 | |
542 | ||
543 | /* _OST OS Shutdown Processing (0x100) Status Code */ | |
544 | #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 | |
545 | #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 | |
546 | #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 | |
547 | #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 | |
548 | ||
549 | /* _OST Ejection Request (0x3, 0x103) Status Code */ | |
550 | #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 | |
551 | #define ACPI_OST_SC_DEVICE_IN_USE 0x81 | |
552 | #define ACPI_OST_SC_DEVICE_BUSY 0x82 | |
553 | #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 | |
554 | #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 | |
555 | ||
556 | /* _OST Insertion Request (0x200) Status Code */ | |
557 | #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 | |
558 | #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 | |
559 | #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 | |
560 | ||
561 | extern void acpi_early_init(void); | |
562 | extern void acpi_subsystem_init(void); | |
563 | ||
564 | extern int acpi_nvs_register(__u64 start, __u64 size); | |
565 | ||
566 | extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), | |
567 | void *data); | |
568 | ||
569 | const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, | |
570 | const struct device *dev); | |
571 | ||
572 | extern bool acpi_driver_match_device(struct device *dev, | |
573 | const struct device_driver *drv); | |
574 | int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); | |
575 | int acpi_device_modalias(struct device *, char *, int); | |
576 | void acpi_walk_dep_device_list(acpi_handle handle); | |
577 | ||
578 | struct platform_device *acpi_create_platform_device(struct acpi_device *, | |
579 | struct property_entry *); | |
580 | #define ACPI_PTR(_ptr) (_ptr) | |
581 | ||
582 | static inline void acpi_device_set_enumerated(struct acpi_device *adev) | |
583 | { | |
584 | adev->flags.visited = true; | |
585 | } | |
586 | ||
587 | static inline void acpi_device_clear_enumerated(struct acpi_device *adev) | |
588 | { | |
589 | adev->flags.visited = false; | |
590 | } | |
591 | ||
592 | enum acpi_reconfig_event { | |
593 | ACPI_RECONFIG_DEVICE_ADD = 0, | |
594 | ACPI_RECONFIG_DEVICE_REMOVE, | |
595 | }; | |
596 | ||
597 | int acpi_reconfig_notifier_register(struct notifier_block *nb); | |
598 | int acpi_reconfig_notifier_unregister(struct notifier_block *nb); | |
599 | ||
600 | #else /* !CONFIG_ACPI */ | |
601 | ||
602 | #define acpi_disabled 1 | |
603 | ||
604 | #define ACPI_COMPANION(dev) (NULL) | |
605 | #define ACPI_COMPANION_SET(dev, adev) do { } while (0) | |
606 | #define ACPI_HANDLE(dev) (NULL) | |
607 | #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0), | |
608 | ||
609 | struct fwnode_handle; | |
610 | ||
611 | static inline bool acpi_dev_found(const char *hid) | |
612 | { | |
613 | return false; | |
614 | } | |
615 | ||
616 | static inline bool is_acpi_node(struct fwnode_handle *fwnode) | |
617 | { | |
618 | return false; | |
619 | } | |
620 | ||
621 | static inline bool is_acpi_device_node(struct fwnode_handle *fwnode) | |
622 | { | |
623 | return false; | |
624 | } | |
625 | ||
626 | static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode) | |
627 | { | |
628 | return NULL; | |
629 | } | |
630 | ||
631 | static inline bool is_acpi_data_node(struct fwnode_handle *fwnode) | |
632 | { | |
633 | return false; | |
634 | } | |
635 | ||
636 | static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode) | |
637 | { | |
638 | return NULL; | |
639 | } | |
640 | ||
641 | static inline bool acpi_data_node_match(struct fwnode_handle *fwnode, | |
642 | const char *name) | |
643 | { | |
644 | return false; | |
645 | } | |
646 | ||
647 | static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) | |
648 | { | |
649 | return NULL; | |
650 | } | |
651 | ||
652 | static inline bool has_acpi_companion(struct device *dev) | |
653 | { | |
654 | return false; | |
655 | } | |
656 | ||
657 | static inline void acpi_preset_companion(struct device *dev, | |
658 | struct acpi_device *parent, u64 addr) | |
659 | { | |
660 | } | |
661 | ||
662 | static inline const char *acpi_dev_name(struct acpi_device *adev) | |
663 | { | |
664 | return NULL; | |
665 | } | |
666 | ||
667 | static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) | |
668 | { | |
669 | return NULL; | |
670 | } | |
671 | ||
672 | static inline void acpi_early_init(void) { } | |
673 | static inline void acpi_subsystem_init(void) { } | |
674 | ||
675 | static inline int early_acpi_boot_init(void) | |
676 | { | |
677 | return 0; | |
678 | } | |
679 | static inline int acpi_boot_init(void) | |
680 | { | |
681 | return 0; | |
682 | } | |
683 | ||
684 | static inline void acpi_boot_table_init(void) | |
685 | { | |
686 | return; | |
687 | } | |
688 | ||
689 | static inline int acpi_mps_check(void) | |
690 | { | |
691 | return 0; | |
692 | } | |
693 | ||
694 | static inline int acpi_check_resource_conflict(struct resource *res) | |
695 | { | |
696 | return 0; | |
697 | } | |
698 | ||
699 | static inline int acpi_check_region(resource_size_t start, resource_size_t n, | |
700 | const char *name) | |
701 | { | |
702 | return 0; | |
703 | } | |
704 | ||
705 | struct acpi_table_header; | |
706 | static inline int acpi_table_parse(char *id, | |
707 | int (*handler)(struct acpi_table_header *)) | |
708 | { | |
709 | return -ENODEV; | |
710 | } | |
711 | ||
712 | static inline int acpi_nvs_register(__u64 start, __u64 size) | |
713 | { | |
714 | return 0; | |
715 | } | |
716 | ||
717 | static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), | |
718 | void *data) | |
719 | { | |
720 | return 0; | |
721 | } | |
722 | ||
723 | struct acpi_device_id; | |
724 | ||
725 | static inline const struct acpi_device_id *acpi_match_device( | |
726 | const struct acpi_device_id *ids, const struct device *dev) | |
727 | { | |
728 | return NULL; | |
729 | } | |
730 | ||
731 | static inline bool acpi_driver_match_device(struct device *dev, | |
732 | const struct device_driver *drv) | |
733 | { | |
734 | return false; | |
735 | } | |
736 | ||
737 | static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, | |
738 | const u8 *uuid, | |
739 | int rev, int func, | |
740 | union acpi_object *argv4) | |
741 | { | |
742 | return NULL; | |
743 | } | |
744 | ||
745 | static inline int acpi_device_uevent_modalias(struct device *dev, | |
746 | struct kobj_uevent_env *env) | |
747 | { | |
748 | return -ENODEV; | |
749 | } | |
750 | ||
751 | static inline int acpi_device_modalias(struct device *dev, | |
752 | char *buf, int size) | |
753 | { | |
754 | return -ENODEV; | |
755 | } | |
756 | ||
757 | static inline bool acpi_dma_supported(struct acpi_device *adev) | |
758 | { | |
759 | return false; | |
760 | } | |
761 | ||
762 | static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) | |
763 | { | |
764 | return DEV_DMA_NOT_SUPPORTED; | |
765 | } | |
766 | ||
767 | static inline void acpi_dma_configure(struct device *dev, | |
768 | enum dev_dma_attr attr) { } | |
769 | ||
770 | static inline void acpi_dma_deconfigure(struct device *dev) { } | |
771 | ||
772 | #define ACPI_PTR(_ptr) (NULL) | |
773 | ||
774 | static inline void acpi_device_set_enumerated(struct acpi_device *adev) | |
775 | { | |
776 | } | |
777 | ||
778 | static inline void acpi_device_clear_enumerated(struct acpi_device *adev) | |
779 | { | |
780 | } | |
781 | ||
782 | static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) | |
783 | { | |
784 | return -EINVAL; | |
785 | } | |
786 | ||
787 | static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) | |
788 | { | |
789 | return -EINVAL; | |
790 | } | |
791 | ||
792 | static inline struct acpi_device *acpi_resource_consumer(struct resource *res) | |
793 | { | |
794 | return NULL; | |
795 | } | |
796 | ||
797 | #endif /* !CONFIG_ACPI */ | |
798 | ||
799 | #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC | |
800 | int acpi_ioapic_add(acpi_handle root); | |
801 | #else | |
802 | static inline int acpi_ioapic_add(acpi_handle root) { return 0; } | |
803 | #endif | |
804 | ||
805 | #ifdef CONFIG_ACPI | |
806 | void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, | |
807 | u32 pm1a_ctrl, u32 pm1b_ctrl)); | |
808 | ||
809 | acpi_status acpi_os_prepare_sleep(u8 sleep_state, | |
810 | u32 pm1a_control, u32 pm1b_control); | |
811 | ||
812 | void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, | |
813 | u32 val_a, u32 val_b)); | |
814 | ||
815 | acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, | |
816 | u32 val_a, u32 val_b); | |
817 | ||
818 | #ifdef CONFIG_X86 | |
819 | void arch_reserve_mem_area(acpi_physical_address addr, size_t size); | |
820 | #else | |
821 | static inline void arch_reserve_mem_area(acpi_physical_address addr, | |
822 | size_t size) | |
823 | { | |
824 | } | |
825 | #endif /* CONFIG_X86 */ | |
826 | #else | |
827 | #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) | |
828 | #endif | |
829 | ||
830 | #if defined(CONFIG_ACPI) && defined(CONFIG_PM) | |
831 | int acpi_dev_runtime_suspend(struct device *dev); | |
832 | int acpi_dev_runtime_resume(struct device *dev); | |
833 | int acpi_subsys_runtime_suspend(struct device *dev); | |
834 | int acpi_subsys_runtime_resume(struct device *dev); | |
835 | struct acpi_device *acpi_dev_pm_get_node(struct device *dev); | |
836 | int acpi_dev_pm_attach(struct device *dev, bool power_on); | |
837 | #else | |
838 | static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; } | |
839 | static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; } | |
840 | static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } | |
841 | static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } | |
842 | static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev) | |
843 | { | |
844 | return NULL; | |
845 | } | |
846 | static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) | |
847 | { | |
848 | return -ENODEV; | |
849 | } | |
850 | #endif | |
851 | ||
852 | #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) | |
853 | int acpi_dev_suspend_late(struct device *dev); | |
854 | int acpi_dev_resume_early(struct device *dev); | |
855 | int acpi_subsys_prepare(struct device *dev); | |
856 | void acpi_subsys_complete(struct device *dev); | |
857 | int acpi_subsys_suspend_late(struct device *dev); | |
858 | int acpi_subsys_resume_early(struct device *dev); | |
859 | int acpi_subsys_suspend(struct device *dev); | |
860 | int acpi_subsys_freeze(struct device *dev); | |
861 | #else | |
862 | static inline int acpi_dev_suspend_late(struct device *dev) { return 0; } | |
863 | static inline int acpi_dev_resume_early(struct device *dev) { return 0; } | |
864 | static inline int acpi_subsys_prepare(struct device *dev) { return 0; } | |
865 | static inline void acpi_subsys_complete(struct device *dev) {} | |
866 | static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } | |
867 | static inline int acpi_subsys_resume_early(struct device *dev) { return 0; } | |
868 | static inline int acpi_subsys_suspend(struct device *dev) { return 0; } | |
869 | static inline int acpi_subsys_freeze(struct device *dev) { return 0; } | |
870 | #endif | |
871 | ||
872 | #ifdef CONFIG_ACPI | |
873 | __printf(3, 4) | |
874 | void acpi_handle_printk(const char *level, acpi_handle handle, | |
875 | const char *fmt, ...); | |
876 | #else /* !CONFIG_ACPI */ | |
877 | static inline __printf(3, 4) void | |
878 | acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} | |
879 | #endif /* !CONFIG_ACPI */ | |
880 | ||
881 | #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) | |
882 | __printf(3, 4) | |
883 | void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); | |
884 | #else | |
885 | #define __acpi_handle_debug(descriptor, handle, fmt, ...) \ | |
886 | acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); | |
887 | #endif | |
888 | ||
889 | /* | |
890 | * acpi_handle_<level>: Print message with ACPI prefix and object path | |
891 | * | |
892 | * These interfaces acquire the global namespace mutex to obtain an object | |
893 | * path. In interrupt context, it shows the object path as <n/a>. | |
894 | */ | |
895 | #define acpi_handle_emerg(handle, fmt, ...) \ | |
896 | acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) | |
897 | #define acpi_handle_alert(handle, fmt, ...) \ | |
898 | acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) | |
899 | #define acpi_handle_crit(handle, fmt, ...) \ | |
900 | acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) | |
901 | #define acpi_handle_err(handle, fmt, ...) \ | |
902 | acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) | |
903 | #define acpi_handle_warn(handle, fmt, ...) \ | |
904 | acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) | |
905 | #define acpi_handle_notice(handle, fmt, ...) \ | |
906 | acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) | |
907 | #define acpi_handle_info(handle, fmt, ...) \ | |
908 | acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) | |
909 | ||
910 | #if defined(DEBUG) | |
911 | #define acpi_handle_debug(handle, fmt, ...) \ | |
912 | acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) | |
913 | #else | |
914 | #if defined(CONFIG_DYNAMIC_DEBUG) | |
915 | #define acpi_handle_debug(handle, fmt, ...) \ | |
916 | do { \ | |
917 | DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ | |
918 | if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ | |
919 | __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \ | |
920 | ##__VA_ARGS__); \ | |
921 | } while (0) | |
922 | #else | |
923 | #define acpi_handle_debug(handle, fmt, ...) \ | |
924 | ({ \ | |
925 | if (0) \ | |
926 | acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ | |
927 | 0; \ | |
928 | }) | |
929 | #endif | |
930 | #endif | |
931 | ||
932 | struct acpi_gpio_params { | |
933 | unsigned int crs_entry_index; | |
934 | unsigned int line_index; | |
935 | bool active_low; | |
936 | }; | |
937 | ||
938 | struct acpi_gpio_mapping { | |
939 | const char *name; | |
940 | const struct acpi_gpio_params *data; | |
941 | unsigned int size; | |
942 | }; | |
943 | ||
944 | #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) | |
945 | int acpi_dev_add_driver_gpios(struct acpi_device *adev, | |
946 | const struct acpi_gpio_mapping *gpios); | |
947 | ||
948 | static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) | |
949 | { | |
950 | if (adev) | |
951 | adev->driver_gpios = NULL; | |
952 | } | |
953 | ||
954 | int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index); | |
955 | #else | |
956 | static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev, | |
957 | const struct acpi_gpio_mapping *gpios) | |
958 | { | |
959 | return -ENXIO; | |
960 | } | |
961 | static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {} | |
962 | ||
963 | static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) | |
964 | { | |
965 | return -ENXIO; | |
966 | } | |
967 | #endif | |
968 | ||
969 | /* Device properties */ | |
970 | ||
971 | #define MAX_ACPI_REFERENCE_ARGS 8 | |
972 | struct acpi_reference_args { | |
973 | struct acpi_device *adev; | |
974 | size_t nargs; | |
975 | u64 args[MAX_ACPI_REFERENCE_ARGS]; | |
976 | }; | |
977 | ||
978 | #ifdef CONFIG_ACPI | |
979 | int acpi_dev_get_property(struct acpi_device *adev, const char *name, | |
980 | acpi_object_type type, const union acpi_object **obj); | |
981 | int __acpi_node_get_property_reference(struct fwnode_handle *fwnode, | |
982 | const char *name, size_t index, size_t num_args, | |
983 | struct acpi_reference_args *args); | |
984 | ||
985 | static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode, | |
986 | const char *name, size_t index, | |
987 | struct acpi_reference_args *args) | |
988 | { | |
989 | return __acpi_node_get_property_reference(fwnode, name, index, | |
990 | MAX_ACPI_REFERENCE_ARGS, args); | |
991 | } | |
992 | ||
993 | int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname, | |
994 | void **valptr); | |
995 | int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname, | |
996 | enum dev_prop_type proptype, void *val); | |
997 | int acpi_node_prop_read(struct fwnode_handle *fwnode, const char *propname, | |
998 | enum dev_prop_type proptype, void *val, size_t nval); | |
999 | int acpi_dev_prop_read(struct acpi_device *adev, const char *propname, | |
1000 | enum dev_prop_type proptype, void *val, size_t nval); | |
1001 | ||
1002 | struct fwnode_handle *acpi_get_next_subnode(struct device *dev, | |
1003 | struct fwnode_handle *subnode); | |
1004 | ||
1005 | struct acpi_probe_entry; | |
1006 | typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, | |
1007 | struct acpi_probe_entry *); | |
1008 | ||
1009 | #define ACPI_TABLE_ID_LEN 5 | |
1010 | ||
1011 | /** | |
1012 | * struct acpi_probe_entry - boot-time probing entry | |
1013 | * @id: ACPI table name | |
1014 | * @type: Optional subtable type to match | |
1015 | * (if @id contains subtables) | |
1016 | * @subtable_valid: Optional callback to check the validity of | |
1017 | * the subtable | |
1018 | * @probe_table: Callback to the driver being probed when table | |
1019 | * match is successful | |
1020 | * @probe_subtbl: Callback to the driver being probed when table and | |
1021 | * subtable match (and optional callback is successful) | |
1022 | * @driver_data: Sideband data provided back to the driver | |
1023 | */ | |
1024 | struct acpi_probe_entry { | |
1025 | __u8 id[ACPI_TABLE_ID_LEN]; | |
1026 | __u8 type; | |
1027 | acpi_probe_entry_validate_subtbl subtable_valid; | |
1028 | union { | |
1029 | acpi_tbl_table_handler probe_table; | |
1030 | acpi_tbl_entry_handler probe_subtbl; | |
1031 | }; | |
1032 | kernel_ulong_t driver_data; | |
1033 | }; | |
1034 | ||
1035 | #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ | |
1036 | static const struct acpi_probe_entry __acpi_probe_##name \ | |
1037 | __used __section(__##table##_acpi_probe_table) \ | |
1038 | = { \ | |
1039 | .id = table_id, \ | |
1040 | .type = subtable, \ | |
1041 | .subtable_valid = valid, \ | |
1042 | .probe_table = (acpi_tbl_table_handler)fn, \ | |
1043 | .driver_data = data, \ | |
1044 | } | |
1045 | ||
1046 | #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table | |
1047 | #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end | |
1048 | ||
1049 | int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); | |
1050 | ||
1051 | #define acpi_probe_device_table(t) \ | |
1052 | ({ \ | |
1053 | extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ | |
1054 | ACPI_PROBE_TABLE_END(t); \ | |
1055 | __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ | |
1056 | (&ACPI_PROBE_TABLE_END(t) - \ | |
1057 | &ACPI_PROBE_TABLE(t))); \ | |
1058 | }) | |
1059 | #else | |
1060 | static inline int acpi_dev_get_property(struct acpi_device *adev, | |
1061 | const char *name, acpi_object_type type, | |
1062 | const union acpi_object **obj) | |
1063 | { | |
1064 | return -ENXIO; | |
1065 | } | |
1066 | ||
1067 | static inline int | |
1068 | __acpi_node_get_property_reference(struct fwnode_handle *fwnode, | |
1069 | const char *name, size_t index, size_t num_args, | |
1070 | struct acpi_reference_args *args) | |
1071 | { | |
1072 | return -ENXIO; | |
1073 | } | |
1074 | ||
1075 | static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode, | |
1076 | const char *name, size_t index, | |
1077 | struct acpi_reference_args *args) | |
1078 | { | |
1079 | return -ENXIO; | |
1080 | } | |
1081 | ||
1082 | static inline int acpi_node_prop_get(struct fwnode_handle *fwnode, | |
1083 | const char *propname, | |
1084 | void **valptr) | |
1085 | { | |
1086 | return -ENXIO; | |
1087 | } | |
1088 | ||
1089 | static inline int acpi_dev_prop_get(struct acpi_device *adev, | |
1090 | const char *propname, | |
1091 | void **valptr) | |
1092 | { | |
1093 | return -ENXIO; | |
1094 | } | |
1095 | ||
1096 | static inline int acpi_dev_prop_read_single(struct acpi_device *adev, | |
1097 | const char *propname, | |
1098 | enum dev_prop_type proptype, | |
1099 | void *val) | |
1100 | { | |
1101 | return -ENXIO; | |
1102 | } | |
1103 | ||
1104 | static inline int acpi_node_prop_read(struct fwnode_handle *fwnode, | |
1105 | const char *propname, | |
1106 | enum dev_prop_type proptype, | |
1107 | void *val, size_t nval) | |
1108 | { | |
1109 | return -ENXIO; | |
1110 | } | |
1111 | ||
1112 | static inline int acpi_dev_prop_read(struct acpi_device *adev, | |
1113 | const char *propname, | |
1114 | enum dev_prop_type proptype, | |
1115 | void *val, size_t nval) | |
1116 | { | |
1117 | return -ENXIO; | |
1118 | } | |
1119 | ||
1120 | static inline struct fwnode_handle *acpi_get_next_subnode(struct device *dev, | |
1121 | struct fwnode_handle *subnode) | |
1122 | { | |
1123 | return NULL; | |
1124 | } | |
1125 | ||
1126 | #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ | |
1127 | static const void * __acpi_table_##name[] \ | |
1128 | __attribute__((unused)) \ | |
1129 | = { (void *) table_id, \ | |
1130 | (void *) subtable, \ | |
1131 | (void *) valid, \ | |
1132 | (void *) fn, \ | |
1133 | (void *) data } | |
1134 | ||
1135 | #define acpi_probe_device_table(t) ({ int __r = 0; __r;}) | |
1136 | #endif | |
1137 | ||
1138 | #ifdef CONFIG_ACPI_TABLE_UPGRADE | |
1139 | void acpi_table_upgrade(void); | |
1140 | #else | |
1141 | static inline void acpi_table_upgrade(void) { } | |
1142 | #endif | |
1143 | ||
1144 | #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) | |
1145 | extern bool acpi_has_watchdog(void); | |
1146 | #else | |
1147 | static inline bool acpi_has_watchdog(void) { return false; } | |
1148 | #endif | |
1149 | ||
1150 | #ifdef CONFIG_ACPI_SPCR_TABLE | |
1151 | int parse_spcr(bool earlycon); | |
1152 | #else | |
1153 | static inline int parse_spcr(bool earlycon) { return 0; } | |
1154 | #endif | |
1155 | ||
1156 | #endif /*_LINUX_ACPI_H*/ |