Commit | Line | Data |
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1da177e4 LT |
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 | * | |
1da177e4 LT |
18 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
19 | */ | |
20 | ||
21 | #ifndef _LINUX_ACPI_H | |
22 | #define _LINUX_ACPI_H | |
23 | ||
5133375b | 24 | #include <linux/errno.h> |
443dea72 | 25 | #include <linux/ioport.h> /* for struct resource */ |
90e97820 | 26 | #include <linux/resource_ext.h> |
cf761af9 | 27 | #include <linux/device.h> |
b31384fa | 28 | #include <linux/property.h> |
3f5948fa | 29 | |
1da177e4 LT |
30 | #ifndef _LINUX |
31 | #define _LINUX | |
32 | #endif | |
633adaba LZ |
33 | #include <acpi/acpi.h> |
34 | ||
35 | #ifdef CONFIG_ACPI | |
1da177e4 LT |
36 | |
37 | #include <linux/list.h> | |
29b71a1c | 38 | #include <linux/mod_devicetable.h> |
45fef5b8 | 39 | #include <linux/dynamic_debug.h> |
836d0830 LZ |
40 | #include <linux/module.h> |
41 | #include <linux/mutex.h> | |
1da177e4 | 42 | |
1da177e4 LT |
43 | #include <acpi/acpi_bus.h> |
44 | #include <acpi/acpi_drivers.h> | |
762834e8 | 45 | #include <acpi/acpi_numa.h> |
27d50c82 | 46 | #include <acpi/acpi_io.h> |
1da177e4 | 47 | #include <asm/acpi.h> |
1da177e4 | 48 | |
7b199811 RW |
49 | static inline acpi_handle acpi_device_handle(struct acpi_device *adev) |
50 | { | |
51 | return adev ? adev->handle : NULL; | |
52 | } | |
53 | ||
3a7a2ab8 | 54 | #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode) |
97badf87 RW |
55 | #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \ |
56 | acpi_fwnode_handle(adev) : NULL) | |
7b199811 RW |
57 | #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) |
58 | ||
26095a01 SS |
59 | /** |
60 | * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with | |
61 | * the PCI-defined class-code information | |
62 | * | |
63 | * @_cls : the class, subclass, prog-if triple for this device | |
64 | * @_msk : the class mask for this device | |
65 | * | |
66 | * This macro is used to create a struct acpi_device_id that matches a | |
67 | * specific PCI class. The .id and .driver_data fields will be left | |
68 | * initialized with the default value. | |
69 | */ | |
70 | #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk), | |
71 | ||
ca5b74d2 RW |
72 | static inline bool has_acpi_companion(struct device *dev) |
73 | { | |
3a7a2ab8 | 74 | return is_acpi_device_node(dev->fwnode); |
ca5b74d2 RW |
75 | } |
76 | ||
9c5ad36d RW |
77 | static inline void acpi_preset_companion(struct device *dev, |
78 | struct acpi_device *parent, u64 addr) | |
79 | { | |
80 | ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL)); | |
81 | } | |
82 | ||
45c42a7f JN |
83 | static inline const char *acpi_dev_name(struct acpi_device *adev) |
84 | { | |
85 | return dev_name(&adev->dev); | |
86 | } | |
87 | ||
1da177e4 LT |
88 | enum acpi_irq_model_id { |
89 | ACPI_IRQ_MODEL_PIC = 0, | |
90 | ACPI_IRQ_MODEL_IOAPIC, | |
91 | ACPI_IRQ_MODEL_IOSAPIC, | |
3948ec94 | 92 | ACPI_IRQ_MODEL_PLATFORM, |
fbe61ec7 | 93 | ACPI_IRQ_MODEL_GIC, |
1da177e4 LT |
94 | ACPI_IRQ_MODEL_COUNT |
95 | }; | |
96 | ||
97 | extern enum acpi_irq_model_id acpi_irq_model; | |
98 | ||
1da177e4 LT |
99 | enum acpi_interrupt_id { |
100 | ACPI_INTERRUPT_PMI = 1, | |
101 | ACPI_INTERRUPT_INIT, | |
102 | ACPI_INTERRUPT_CPEI, | |
103 | ACPI_INTERRUPT_COUNT | |
104 | }; | |
105 | ||
106 | #define ACPI_SPACE_MEM 0 | |
107 | ||
1da177e4 LT |
108 | enum acpi_address_range_id { |
109 | ACPI_ADDRESS_RANGE_MEMORY = 1, | |
110 | ACPI_ADDRESS_RANGE_RESERVED = 2, | |
111 | ACPI_ADDRESS_RANGE_ACPI = 3, | |
112 | ACPI_ADDRESS_RANGE_NVS = 4, | |
113 | ACPI_ADDRESS_RANGE_COUNT | |
114 | }; | |
115 | ||
1da177e4 | 116 | |
1da177e4 LT |
117 | /* Table Handlers */ |
118 | ||
b43e1065 | 119 | typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); |
1da177e4 | 120 | |
b43e1065 LZ |
121 | typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header, |
122 | const unsigned long end); | |
1da177e4 | 123 | |
836d0830 LZ |
124 | /* Debugger support */ |
125 | ||
126 | struct acpi_debugger_ops { | |
127 | int (*create_thread)(acpi_osd_exec_callback function, void *context); | |
128 | ssize_t (*write_log)(const char *msg); | |
129 | ssize_t (*read_cmd)(char *buffer, size_t length); | |
130 | int (*wait_command_ready)(bool single_step, char *buffer, size_t length); | |
131 | int (*notify_command_complete)(void); | |
132 | }; | |
133 | ||
134 | struct acpi_debugger { | |
135 | const struct acpi_debugger_ops *ops; | |
136 | struct module *owner; | |
137 | struct mutex lock; | |
138 | }; | |
139 | ||
140 | #ifdef CONFIG_ACPI_DEBUGGER | |
141 | int __init acpi_debugger_init(void); | |
142 | int acpi_register_debugger(struct module *owner, | |
143 | const struct acpi_debugger_ops *ops); | |
144 | void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); | |
145 | int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); | |
146 | ssize_t acpi_debugger_write_log(const char *msg); | |
147 | ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); | |
148 | int acpi_debugger_wait_command_ready(void); | |
149 | int acpi_debugger_notify_command_complete(void); | |
150 | #else | |
151 | static inline int acpi_debugger_init(void) | |
152 | { | |
153 | return -ENODEV; | |
154 | } | |
155 | ||
156 | static inline int acpi_register_debugger(struct module *owner, | |
157 | const struct acpi_debugger_ops *ops) | |
158 | { | |
159 | return -ENODEV; | |
160 | } | |
161 | ||
162 | static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) | |
163 | { | |
164 | } | |
165 | ||
166 | static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, | |
167 | void *context) | |
168 | { | |
169 | return -ENODEV; | |
170 | } | |
171 | ||
172 | static inline int acpi_debugger_write_log(const char *msg) | |
173 | { | |
174 | return -ENODEV; | |
175 | } | |
176 | ||
177 | static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) | |
178 | { | |
179 | return -ENODEV; | |
180 | } | |
181 | ||
182 | static inline int acpi_debugger_wait_command_ready(void) | |
183 | { | |
184 | return -ENODEV; | |
185 | } | |
186 | ||
187 | static inline int acpi_debugger_notify_command_complete(void) | |
188 | { | |
189 | return -ENODEV; | |
190 | } | |
191 | #endif | |
192 | ||
53aac44c TR |
193 | #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE |
194 | void acpi_initrd_override(void *data, size_t size); | |
195 | #else | |
196 | static inline void acpi_initrd_override(void *data, size_t size) | |
197 | { | |
198 | } | |
199 | #endif | |
200 | ||
328281b1 HG |
201 | #define BAD_MADT_ENTRY(entry, end) ( \ |
202 | (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ | |
203 | ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) | |
204 | ||
9b3fedde LA |
205 | struct acpi_subtable_proc { |
206 | int id; | |
207 | acpi_tbl_entry_handler handler; | |
208 | int count; | |
209 | }; | |
210 | ||
1da177e4 | 211 | char * __acpi_map_table (unsigned long phys_addr, unsigned long size); |
970ec1a8 | 212 | void __acpi_unmap_table(char *map, unsigned long size); |
cbf9bd60 | 213 | int early_acpi_boot_init(void); |
1da177e4 | 214 | int acpi_boot_init (void); |
8558e394 | 215 | void acpi_boot_table_init (void); |
3c999f14 | 216 | int acpi_mps_check (void); |
1da177e4 LT |
217 | int acpi_numa_init (void); |
218 | ||
219 | int acpi_table_init (void); | |
b43e1065 | 220 | int acpi_table_parse(char *id, acpi_tbl_table_handler handler); |
f08bb472 AC |
221 | int __init acpi_parse_entries(char *id, unsigned long table_size, |
222 | acpi_tbl_entry_handler handler, | |
223 | struct acpi_table_header *table_header, | |
224 | int entry_id, unsigned int max_entries); | |
6eb87fed | 225 | int __init acpi_table_parse_entries(char *id, unsigned long table_size, |
9b3fedde LA |
226 | int entry_id, |
227 | acpi_tbl_entry_handler handler, | |
228 | unsigned int max_entries); | |
229 | int __init acpi_table_parse_entries(char *id, unsigned long table_size, | |
230 | int entry_id, | |
231 | acpi_tbl_entry_handler handler, | |
232 | unsigned int max_entries); | |
233 | int __init acpi_table_parse_entries_array(char *id, unsigned long table_size, | |
234 | struct acpi_subtable_proc *proc, int proc_num, | |
235 | unsigned int max_entries); | |
b43e1065 LZ |
236 | int acpi_table_parse_madt(enum acpi_madt_type id, |
237 | acpi_tbl_entry_handler handler, | |
238 | unsigned int max_entries); | |
ceb6c468 | 239 | int acpi_parse_mcfg (struct acpi_table_header *header); |
5f3b1a8b | 240 | void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); |
1da177e4 LT |
241 | |
242 | /* the following four functions are architecture-dependent */ | |
243 | void acpi_numa_slit_init (struct acpi_table_slit *slit); | |
15a58ed1 | 244 | void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); |
7237d3de | 245 | void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); |
095adbb6 | 246 | int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); |
1da177e4 LT |
247 | void acpi_numa_arch_fixup(void); |
248 | ||
828aef37 CM |
249 | #ifndef PHYS_CPUID_INVALID |
250 | typedef u32 phys_cpuid_t; | |
251 | #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) | |
252 | #endif | |
253 | ||
25956b66 HG |
254 | static inline bool invalid_logical_cpuid(u32 cpuid) |
255 | { | |
256 | return (int)cpuid < 0; | |
257 | } | |
258 | ||
ddcc18f5 HG |
259 | static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) |
260 | { | |
261 | return phys_id == PHYS_CPUID_INVALID; | |
262 | } | |
263 | ||
1da177e4 LT |
264 | #ifdef CONFIG_ACPI_HOTPLUG_CPU |
265 | /* Arch dependent functions for cpu hotplug support */ | |
828aef37 | 266 | int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, int *pcpu); |
d02dc27d | 267 | int acpi_unmap_cpu(int cpu); |
1da177e4 LT |
268 | #endif /* CONFIG_ACPI_HOTPLUG_CPU */ |
269 | ||
ecf5636d YL |
270 | #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC |
271 | int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); | |
272 | #endif | |
273 | ||
b1bb248a KK |
274 | int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); |
275 | int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); | |
e89900c9 | 276 | int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); |
5229e87d | 277 | void acpi_irq_stats_init(void); |
5229e87d | 278 | extern u32 acpi_irq_handled; |
88bea188 | 279 | extern u32 acpi_irq_not_handled; |
49e4b843 CY |
280 | extern unsigned int acpi_sci_irq; |
281 | #define INVALID_ACPI_IRQ ((unsigned)-1) | |
282 | static inline bool acpi_sci_irq_valid(void) | |
283 | { | |
284 | return acpi_sci_irq != INVALID_ACPI_IRQ; | |
285 | } | |
1da177e4 | 286 | |
c255d844 | 287 | extern int sbf_port; |
77afcf78 | 288 | extern unsigned long acpi_realmode_flags; |
1da177e4 | 289 | |
a2f809b0 | 290 | int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); |
1da177e4 | 291 | int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); |
2c2df841 | 292 | int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); |
1da177e4 | 293 | |
2bc6eba4 MZ |
294 | void acpi_set_irq_model(enum acpi_irq_model_id model, |
295 | struct fwnode_handle *fwnode); | |
296 | ||
61fd47e0 | 297 | #ifdef CONFIG_X86_IO_APIC |
9a0a91bb | 298 | extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); |
61fd47e0 | 299 | #else |
9a0a91bb | 300 | #define acpi_get_override_irq(gsi, trigger, polarity) (-1) |
61fd47e0 | 301 | #endif |
1da177e4 LT |
302 | /* |
303 | * This function undoes the effect of one call to acpi_register_gsi(). | |
304 | * If this matches the last registration, any IRQ resources for gsi | |
305 | * are freed. | |
306 | */ | |
1da177e4 | 307 | void acpi_unregister_gsi (u32 gsi); |
1da177e4 | 308 | |
1da177e4 LT |
309 | struct pci_dev; |
310 | ||
311 | int acpi_pci_irq_enable (struct pci_dev *dev); | |
c9c3e457 | 312 | void acpi_penalize_isa_irq(int irq, int active); |
5ebc7603 | 313 | bool acpi_isa_irq_available(int irq); |
5d0ddfeb | 314 | void acpi_penalize_sci_irq(int irq, int trigger, int polarity); |
1da177e4 | 315 | void acpi_pci_irq_disable (struct pci_dev *dev); |
1da177e4 | 316 | |
1da177e4 LT |
317 | extern int ec_read(u8 addr, u8 *val); |
318 | extern int ec_write(u8 addr, u8 val); | |
d7a76e4c LP |
319 | extern int ec_transaction(u8 command, |
320 | const u8 *wdata, unsigned wdata_len, | |
1cb7b1e0 | 321 | u8 *rdata, unsigned rdata_len); |
3e2abc5a | 322 | extern acpi_handle ec_get_handle(void); |
1da177e4 | 323 | |
eec15edb ZR |
324 | extern bool acpi_is_pnp_device(struct acpi_device *); |
325 | ||
bff431e4 CC |
326 | #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) |
327 | ||
328 | typedef void (*wmi_notify_handler) (u32 value, void *context); | |
329 | ||
330 | extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, | |
331 | u32 method_id, | |
332 | const struct acpi_buffer *in, | |
333 | struct acpi_buffer *out); | |
334 | extern acpi_status wmi_query_block(const char *guid, u8 instance, | |
335 | struct acpi_buffer *out); | |
336 | extern acpi_status wmi_set_block(const char *guid, u8 instance, | |
337 | const struct acpi_buffer *in); | |
338 | extern acpi_status wmi_install_notify_handler(const char *guid, | |
339 | wmi_notify_handler handler, void *data); | |
340 | extern acpi_status wmi_remove_notify_handler(const char *guid); | |
341 | extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); | |
342 | extern bool wmi_has_guid(const char *guid); | |
343 | ||
344 | #endif /* CONFIG_ACPI_WMI */ | |
345 | ||
c3d6de69 TR |
346 | #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 |
347 | #define ACPI_VIDEO_DEVICE_POSTING 0x0002 | |
348 | #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 | |
349 | #define ACPI_VIDEO_BACKLIGHT 0x0008 | |
350 | #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 | |
351 | #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 | |
352 | #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 | |
353 | #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 | |
354 | #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 | |
355 | #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 | |
356 | #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 | |
357 | #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 | |
358 | ||
14ca7a47 | 359 | extern char acpi_video_backlight_string[]; |
d4e1a692 | 360 | extern long acpi_is_video_device(acpi_handle handle); |
1da177e4 | 361 | extern int acpi_blacklisted(void); |
d4b7dc49 | 362 | extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); |
d90aa92c | 363 | extern void acpi_osi_setup(char *str); |
a87878ba | 364 | extern bool acpi_osi_is_win8(void); |
1da177e4 | 365 | |
1da177e4 | 366 | #ifdef CONFIG_ACPI_NUMA |
99759869 | 367 | int acpi_map_pxm_to_online_node(int pxm); |
486c79b5 | 368 | int acpi_get_node(acpi_handle handle); |
1da177e4 | 369 | #else |
99759869 TK |
370 | static inline int acpi_map_pxm_to_online_node(int pxm) |
371 | { | |
372 | return 0; | |
373 | } | |
486c79b5 | 374 | static inline int acpi_get_node(acpi_handle handle) |
1e3590e2 YG |
375 | { |
376 | return 0; | |
377 | } | |
1da177e4 | 378 | #endif |
1e3590e2 | 379 | extern int acpi_paddr_to_node(u64 start_addr, u64 size); |
1da177e4 LT |
380 | |
381 | extern int pnpacpi_disabled; | |
382 | ||
3484d798 | 383 | #define PXM_INVAL (-1) |
3484d798 | 384 | |
046d9ce6 RW |
385 | bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); |
386 | bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); | |
387 | bool acpi_dev_resource_address_space(struct acpi_resource *ares, | |
a49170b5 | 388 | struct resource_win *win); |
046d9ce6 | 389 | bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, |
a49170b5 | 390 | struct resource_win *win); |
046d9ce6 | 391 | unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); |
55a93417 | 392 | unsigned int acpi_dev_get_irq_type(int triggering, int polarity); |
046d9ce6 RW |
393 | bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, |
394 | struct resource *res); | |
395 | ||
8e345c99 RW |
396 | void acpi_dev_free_resource_list(struct list_head *list); |
397 | int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, | |
398 | int (*preproc)(struct acpi_resource *, void *), | |
399 | void *preproc_data); | |
62d1141f JL |
400 | int acpi_dev_filter_resource_type(struct acpi_resource *ares, |
401 | unsigned long types); | |
402 | ||
403 | static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, | |
404 | void *arg) | |
405 | { | |
406 | return acpi_dev_filter_resource_type(ares, (unsigned long)arg); | |
407 | } | |
8e345c99 | 408 | |
876fba43 | 409 | int acpi_check_resource_conflict(const struct resource *res); |
443dea72 | 410 | |
df92e695 TR |
411 | int acpi_check_region(resource_size_t start, resource_size_t n, |
412 | const char *name); | |
df92e695 | 413 | |
70dd6bea JD |
414 | int acpi_resources_are_enforced(void); |
415 | ||
9743fdea | 416 | #ifdef CONFIG_HIBERNATION |
bdfe6b7c | 417 | void __init acpi_no_s4_hw_signature(void); |
9743fdea YL |
418 | #endif |
419 | ||
420 | #ifdef CONFIG_PM_SLEEP | |
d8f3de0d | 421 | void __init acpi_old_suspend_ordering(void); |
72ad5d77 | 422 | void __init acpi_nvs_nosave(void); |
1bad2f19 | 423 | void __init acpi_nvs_nosave_s3(void); |
d8f3de0d | 424 | #endif /* CONFIG_PM_SLEEP */ |
9f5404d8 | 425 | |
70023de8 | 426 | struct acpi_osc_context { |
c8678473 | 427 | char *uuid_str; /* UUID string */ |
70023de8 | 428 | int rev; |
c8678473 BH |
429 | struct acpi_buffer cap; /* list of DWORD capabilities */ |
430 | struct acpi_buffer ret; /* free by caller if success */ | |
70023de8 SL |
431 | }; |
432 | ||
4b3db708 | 433 | acpi_status acpi_str_to_uuid(char *str, u8 *uuid); |
70023de8 SL |
434 | acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); |
435 | ||
b938a229 BH |
436 | /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */ |
437 | #define OSC_QUERY_DWORD 0 /* DWORD 1 */ | |
438 | #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ | |
439 | #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ | |
9f5404d8 | 440 | |
dedf1e4d BH |
441 | /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ |
442 | #define OSC_QUERY_ENABLE 0x00000001 /* input */ | |
443 | #define OSC_REQUEST_ERROR 0x00000002 /* return */ | |
444 | #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ | |
445 | #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ | |
446 | #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ | |
9f5404d8 | 447 | |
dedf1e4d BH |
448 | /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ |
449 | #define OSC_SB_PAD_SUPPORT 0x00000001 | |
450 | #define OSC_SB_PPC_OST_SUPPORT 0x00000002 | |
451 | #define OSC_SB_PR3_SUPPORT 0x00000004 | |
452 | #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 | |
453 | #define OSC_SB_APEI_SUPPORT 0x00000010 | |
454 | #define OSC_SB_CPC_SUPPORT 0x00000020 | |
3563ff96 | 455 | |
eccddd32 HY |
456 | extern bool osc_sb_apei_support_acked; |
457 | ||
dedf1e4d | 458 | /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ |
7dab9ef4 BH |
459 | #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 |
460 | #define OSC_PCI_ASPM_SUPPORT 0x00000002 | |
461 | #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 | |
dedf1e4d | 462 | #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 |
7dab9ef4 | 463 | #define OSC_PCI_MSI_SUPPORT 0x00000010 |
dedf1e4d BH |
464 | #define OSC_PCI_SUPPORT_MASKS 0x0000001f |
465 | ||
466 | /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ | |
467 | #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 | |
7dab9ef4 | 468 | #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 |
dedf1e4d BH |
469 | #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 |
470 | #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 | |
7dab9ef4 | 471 | #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 |
335b1509 | 472 | #define OSC_PCI_CONTROL_MASKS 0x0000001f |
d90116ea | 473 | |
5d98e61d LT |
474 | #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 |
475 | #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 | |
476 | #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 | |
477 | #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 | |
478 | #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A | |
479 | #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B | |
480 | #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C | |
481 | #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D | |
482 | #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E | |
483 | #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F | |
484 | ||
75fb60f2 RW |
485 | extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, |
486 | u32 *mask, u32 req); | |
275c58d7 TK |
487 | |
488 | /* Enable _OST when all relevant hotplug operations are enabled */ | |
489 | #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ | |
08f502c1 | 490 | defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ |
64fd7401 | 491 | defined(CONFIG_ACPI_CONTAINER) |
275c58d7 TK |
492 | #define ACPI_HOTPLUG_OST |
493 | #endif | |
494 | ||
495 | /* _OST Source Event Code (OSPM Action) */ | |
496 | #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 | |
497 | #define ACPI_OST_EC_OSPM_EJECT 0x103 | |
498 | #define ACPI_OST_EC_OSPM_INSERTION 0x200 | |
499 | ||
500 | /* _OST General Processing Status Code */ | |
501 | #define ACPI_OST_SC_SUCCESS 0x0 | |
502 | #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 | |
503 | #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 | |
504 | ||
505 | /* _OST OS Shutdown Processing (0x100) Status Code */ | |
506 | #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 | |
507 | #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 | |
508 | #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 | |
509 | #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 | |
510 | ||
511 | /* _OST Ejection Request (0x3, 0x103) Status Code */ | |
512 | #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 | |
513 | #define ACPI_OST_SC_DEVICE_IN_USE 0x81 | |
514 | #define ACPI_OST_SC_DEVICE_BUSY 0x82 | |
515 | #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 | |
516 | #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 | |
517 | ||
518 | /* _OST Insertion Request (0x200) Status Code */ | |
519 | #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 | |
520 | #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 | |
521 | #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 | |
522 | ||
4a7a16dc | 523 | extern void acpi_early_init(void); |
b064a8fa | 524 | extern void acpi_subsystem_init(void); |
4a7a16dc | 525 | |
b54ac6d2 HY |
526 | extern int acpi_nvs_register(__u64 start, __u64 size); |
527 | ||
528 | extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), | |
529 | void *data); | |
530 | ||
cf761af9 MW |
531 | const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, |
532 | const struct device *dev); | |
533 | ||
733e6251 MW |
534 | extern bool acpi_driver_match_device(struct device *dev, |
535 | const struct device_driver *drv); | |
6eb2451f ZR |
536 | int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); |
537 | int acpi_device_modalias(struct device *, char *, int); | |
40e7fcb1 | 538 | void acpi_walk_dep_device_list(acpi_handle handle); |
6eb2451f | 539 | |
083bf668 | 540 | struct platform_device *acpi_create_platform_device(struct acpi_device *); |
cf761af9 MW |
541 | #define ACPI_PTR(_ptr) (_ptr) |
542 | ||
e55a5999 FT |
543 | #else /* !CONFIG_ACPI */ |
544 | ||
545 | #define acpi_disabled 1 | |
546 | ||
7b199811 RW |
547 | #define ACPI_COMPANION(dev) (NULL) |
548 | #define ACPI_COMPANION_SET(dev, adev) do { } while (0) | |
549 | #define ACPI_HANDLE(dev) (NULL) | |
26095a01 | 550 | #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0), |
7b199811 | 551 | |
8a0662d9 RW |
552 | struct fwnode_handle; |
553 | ||
554 | static inline bool is_acpi_node(struct fwnode_handle *fwnode) | |
555 | { | |
556 | return false; | |
557 | } | |
558 | ||
3a7a2ab8 RW |
559 | static inline bool is_acpi_device_node(struct fwnode_handle *fwnode) |
560 | { | |
561 | return false; | |
562 | } | |
563 | ||
564 | static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode) | |
565 | { | |
566 | return NULL; | |
567 | } | |
568 | ||
569 | static inline bool is_acpi_data_node(struct fwnode_handle *fwnode) | |
570 | { | |
571 | return false; | |
572 | } | |
573 | ||
574 | static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode) | |
8a0662d9 RW |
575 | { |
576 | return NULL; | |
577 | } | |
578 | ||
579 | static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) | |
580 | { | |
581 | return NULL; | |
582 | } | |
583 | ||
ca5b74d2 RW |
584 | static inline bool has_acpi_companion(struct device *dev) |
585 | { | |
586 | return false; | |
587 | } | |
588 | ||
c0e5c445 DB |
589 | static inline void acpi_preset_companion(struct device *dev, |
590 | struct acpi_device *parent, u64 addr) | |
591 | { | |
592 | } | |
593 | ||
45c42a7f JN |
594 | static inline const char *acpi_dev_name(struct acpi_device *adev) |
595 | { | |
596 | return NULL; | |
597 | } | |
598 | ||
4a7a16dc | 599 | static inline void acpi_early_init(void) { } |
b064a8fa | 600 | static inline void acpi_subsystem_init(void) { } |
53de49f5 | 601 | |
cbf9bd60 YL |
602 | static inline int early_acpi_boot_init(void) |
603 | { | |
604 | return 0; | |
605 | } | |
53de49f5 AM |
606 | static inline int acpi_boot_init(void) |
607 | { | |
608 | return 0; | |
609 | } | |
610 | ||
8558e394 | 611 | static inline void acpi_boot_table_init(void) |
53de49f5 | 612 | { |
8558e394 | 613 | return; |
53de49f5 AM |
614 | } |
615 | ||
3c999f14 YL |
616 | static inline int acpi_mps_check(void) |
617 | { | |
618 | return 0; | |
619 | } | |
620 | ||
443dea72 TR |
621 | static inline int acpi_check_resource_conflict(struct resource *res) |
622 | { | |
623 | return 0; | |
624 | } | |
625 | ||
df92e695 TR |
626 | static inline int acpi_check_region(resource_size_t start, resource_size_t n, |
627 | const char *name) | |
628 | { | |
629 | return 0; | |
630 | } | |
631 | ||
e55a5999 FT |
632 | struct acpi_table_header; |
633 | static inline int acpi_table_parse(char *id, | |
634 | int (*handler)(struct acpi_table_header *)) | |
635 | { | |
f8a571b2 | 636 | return -ENODEV; |
e55a5999 | 637 | } |
6fed05c9 | 638 | |
b54ac6d2 | 639 | static inline int acpi_nvs_register(__u64 start, __u64 size) |
6fed05c9 RW |
640 | { |
641 | return 0; | |
642 | } | |
b54ac6d2 HY |
643 | |
644 | static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), | |
645 | void *data) | |
646 | { | |
647 | return 0; | |
648 | } | |
649 | ||
cf761af9 MW |
650 | struct acpi_device_id; |
651 | ||
652 | static inline const struct acpi_device_id *acpi_match_device( | |
653 | const struct acpi_device_id *ids, const struct device *dev) | |
654 | { | |
655 | return NULL; | |
656 | } | |
657 | ||
658 | static inline bool acpi_driver_match_device(struct device *dev, | |
659 | const struct device_driver *drv) | |
660 | { | |
661 | return false; | |
662 | } | |
663 | ||
6eb2451f ZR |
664 | static inline int acpi_device_uevent_modalias(struct device *dev, |
665 | struct kobj_uevent_env *env) | |
666 | { | |
667 | return -ENODEV; | |
668 | } | |
669 | ||
670 | static inline int acpi_device_modalias(struct device *dev, | |
671 | char *buf, int size) | |
672 | { | |
673 | return -ENODEV; | |
674 | } | |
675 | ||
b84f196d | 676 | static inline bool acpi_dma_supported(struct acpi_device *adev) |
d0562674 SS |
677 | { |
678 | return false; | |
679 | } | |
680 | ||
b84f196d SS |
681 | static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) |
682 | { | |
683 | return DEV_DMA_NOT_SUPPORTED; | |
684 | } | |
685 | ||
cf761af9 MW |
686 | #define ACPI_PTR(_ptr) (NULL) |
687 | ||
b54ac6d2 | 688 | #endif /* !CONFIG_ACPI */ |
6fed05c9 | 689 | |
09f98a82 TL |
690 | #ifdef CONFIG_ACPI |
691 | void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, | |
692 | u32 pm1a_ctrl, u32 pm1b_ctrl)); | |
693 | ||
694 | acpi_status acpi_os_prepare_sleep(u8 sleep_state, | |
695 | u32 pm1a_control, u32 pm1b_control); | |
d6b47b12 BG |
696 | |
697 | void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, | |
698 | u32 val_a, u32 val_b)); | |
699 | ||
700 | acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, | |
701 | u32 val_a, u32 val_b); | |
702 | ||
385ddeac | 703 | #ifdef CONFIG_X86 |
8e30524d TR |
704 | void arch_reserve_mem_area(acpi_physical_address addr, size_t size); |
705 | #else | |
706 | static inline void arch_reserve_mem_area(acpi_physical_address addr, | |
707 | size_t size) | |
708 | { | |
709 | } | |
710 | #endif /* CONFIG_X86 */ | |
09f98a82 TL |
711 | #else |
712 | #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) | |
713 | #endif | |
714 | ||
5de21bb9 | 715 | #if defined(CONFIG_ACPI) && defined(CONFIG_PM) |
e5cc8ef3 RW |
716 | int acpi_dev_runtime_suspend(struct device *dev); |
717 | int acpi_dev_runtime_resume(struct device *dev); | |
718 | int acpi_subsys_runtime_suspend(struct device *dev); | |
719 | int acpi_subsys_runtime_resume(struct device *dev); | |
5de21bb9 RW |
720 | struct acpi_device *acpi_dev_pm_get_node(struct device *dev); |
721 | int acpi_dev_pm_attach(struct device *dev, bool power_on); | |
e5cc8ef3 RW |
722 | #else |
723 | static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; } | |
724 | static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; } | |
725 | static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } | |
726 | static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } | |
5de21bb9 RW |
727 | static inline struct acpi_device *acpi_dev_pm_get_node(struct device *dev) |
728 | { | |
729 | return NULL; | |
730 | } | |
731 | static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) | |
732 | { | |
733 | return -ENODEV; | |
734 | } | |
e5cc8ef3 RW |
735 | #endif |
736 | ||
d79beb39 | 737 | #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) |
e5cc8ef3 RW |
738 | int acpi_dev_suspend_late(struct device *dev); |
739 | int acpi_dev_resume_early(struct device *dev); | |
740 | int acpi_subsys_prepare(struct device *dev); | |
4cf563c5 | 741 | void acpi_subsys_complete(struct device *dev); |
e5cc8ef3 RW |
742 | int acpi_subsys_suspend_late(struct device *dev); |
743 | int acpi_subsys_resume_early(struct device *dev); | |
4cf563c5 HK |
744 | int acpi_subsys_suspend(struct device *dev); |
745 | int acpi_subsys_freeze(struct device *dev); | |
e5cc8ef3 RW |
746 | #else |
747 | static inline int acpi_dev_suspend_late(struct device *dev) { return 0; } | |
748 | static inline int acpi_dev_resume_early(struct device *dev) { return 0; } | |
749 | static inline int acpi_subsys_prepare(struct device *dev) { return 0; } | |
4cf563c5 | 750 | static inline void acpi_subsys_complete(struct device *dev) {} |
e5cc8ef3 RW |
751 | static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } |
752 | static inline int acpi_subsys_resume_early(struct device *dev) { return 0; } | |
4cf563c5 HK |
753 | static inline int acpi_subsys_suspend(struct device *dev) { return 0; } |
754 | static inline int acpi_subsys_freeze(struct device *dev) { return 0; } | |
e5cc8ef3 RW |
755 | #endif |
756 | ||
fbfddae6 TK |
757 | #ifdef CONFIG_ACPI |
758 | __printf(3, 4) | |
759 | void acpi_handle_printk(const char *level, acpi_handle handle, | |
760 | const char *fmt, ...); | |
761 | #else /* !CONFIG_ACPI */ | |
762 | static inline __printf(3, 4) void | |
763 | acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} | |
764 | #endif /* !CONFIG_ACPI */ | |
765 | ||
45fef5b8 BM |
766 | #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) |
767 | __printf(3, 4) | |
768 | void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); | |
769 | #else | |
770 | #define __acpi_handle_debug(descriptor, handle, fmt, ...) \ | |
771 | acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); | |
772 | #endif | |
773 | ||
fbfddae6 TK |
774 | /* |
775 | * acpi_handle_<level>: Print message with ACPI prefix and object path | |
776 | * | |
777 | * These interfaces acquire the global namespace mutex to obtain an object | |
778 | * path. In interrupt context, it shows the object path as <n/a>. | |
779 | */ | |
780 | #define acpi_handle_emerg(handle, fmt, ...) \ | |
781 | acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) | |
782 | #define acpi_handle_alert(handle, fmt, ...) \ | |
783 | acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) | |
784 | #define acpi_handle_crit(handle, fmt, ...) \ | |
785 | acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) | |
786 | #define acpi_handle_err(handle, fmt, ...) \ | |
787 | acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) | |
788 | #define acpi_handle_warn(handle, fmt, ...) \ | |
789 | acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) | |
790 | #define acpi_handle_notice(handle, fmt, ...) \ | |
791 | acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) | |
792 | #define acpi_handle_info(handle, fmt, ...) \ | |
793 | acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) | |
794 | ||
45fef5b8 | 795 | #if defined(DEBUG) |
fbfddae6 TK |
796 | #define acpi_handle_debug(handle, fmt, ...) \ |
797 | acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) | |
798 | #else | |
45fef5b8 BM |
799 | #if defined(CONFIG_DYNAMIC_DEBUG) |
800 | #define acpi_handle_debug(handle, fmt, ...) \ | |
801 | do { \ | |
802 | DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ | |
803 | if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ | |
804 | __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \ | |
805 | ##__VA_ARGS__); \ | |
806 | } while (0) | |
807 | #else | |
fbfddae6 TK |
808 | #define acpi_handle_debug(handle, fmt, ...) \ |
809 | ({ \ | |
810 | if (0) \ | |
811 | acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ | |
812 | 0; \ | |
813 | }) | |
814 | #endif | |
45fef5b8 | 815 | #endif |
fbfddae6 | 816 | |
f028d524 RW |
817 | struct acpi_gpio_params { |
818 | unsigned int crs_entry_index; | |
819 | unsigned int line_index; | |
820 | bool active_low; | |
821 | }; | |
822 | ||
823 | struct acpi_gpio_mapping { | |
824 | const char *name; | |
825 | const struct acpi_gpio_params *data; | |
826 | unsigned int size; | |
827 | }; | |
828 | ||
829 | #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) | |
830 | int acpi_dev_add_driver_gpios(struct acpi_device *adev, | |
831 | const struct acpi_gpio_mapping *gpios); | |
832 | ||
833 | static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) | |
834 | { | |
835 | if (adev) | |
836 | adev->driver_gpios = NULL; | |
837 | } | |
c884fbd4 MW |
838 | |
839 | int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index); | |
f028d524 RW |
840 | #else |
841 | static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev, | |
842 | const struct acpi_gpio_mapping *gpios) | |
843 | { | |
844 | return -ENXIO; | |
845 | } | |
846 | static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {} | |
c884fbd4 MW |
847 | |
848 | static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) | |
849 | { | |
850 | return -ENXIO; | |
851 | } | |
f028d524 RW |
852 | #endif |
853 | ||
ffdcd955 MW |
854 | /* Device properties */ |
855 | ||
856 | #define MAX_ACPI_REFERENCE_ARGS 8 | |
857 | struct acpi_reference_args { | |
858 | struct acpi_device *adev; | |
859 | size_t nargs; | |
860 | u64 args[MAX_ACPI_REFERENCE_ARGS]; | |
861 | }; | |
862 | ||
863 | #ifdef CONFIG_ACPI | |
864 | int acpi_dev_get_property(struct acpi_device *adev, const char *name, | |
865 | acpi_object_type type, const union acpi_object **obj); | |
504a3374 RW |
866 | int acpi_node_get_property_reference(struct fwnode_handle *fwnode, |
867 | const char *name, size_t index, | |
868 | struct acpi_reference_args *args); | |
b31384fa | 869 | |
3a7a2ab8 RW |
870 | int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname, |
871 | void **valptr); | |
b31384fa RW |
872 | int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname, |
873 | enum dev_prop_type proptype, void *val); | |
3a7a2ab8 RW |
874 | int acpi_node_prop_read(struct fwnode_handle *fwnode, const char *propname, |
875 | enum dev_prop_type proptype, void *val, size_t nval); | |
b31384fa RW |
876 | int acpi_dev_prop_read(struct acpi_device *adev, const char *propname, |
877 | enum dev_prop_type proptype, void *val, size_t nval); | |
8a0662d9 | 878 | |
504a3374 RW |
879 | struct fwnode_handle *acpi_get_next_subnode(struct device *dev, |
880 | struct fwnode_handle *subnode); | |
e647b532 MZ |
881 | |
882 | struct acpi_probe_entry; | |
883 | typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, | |
884 | struct acpi_probe_entry *); | |
885 | ||
886 | #define ACPI_TABLE_ID_LEN 5 | |
887 | ||
888 | /** | |
889 | * struct acpi_probe_entry - boot-time probing entry | |
890 | * @id: ACPI table name | |
891 | * @type: Optional subtable type to match | |
892 | * (if @id contains subtables) | |
893 | * @subtable_valid: Optional callback to check the validity of | |
894 | * the subtable | |
895 | * @probe_table: Callback to the driver being probed when table | |
896 | * match is successful | |
897 | * @probe_subtbl: Callback to the driver being probed when table and | |
898 | * subtable match (and optional callback is successful) | |
899 | * @driver_data: Sideband data provided back to the driver | |
900 | */ | |
901 | struct acpi_probe_entry { | |
902 | __u8 id[ACPI_TABLE_ID_LEN]; | |
903 | __u8 type; | |
904 | acpi_probe_entry_validate_subtbl subtable_valid; | |
905 | union { | |
906 | acpi_tbl_table_handler probe_table; | |
907 | acpi_tbl_entry_handler probe_subtbl; | |
908 | }; | |
909 | kernel_ulong_t driver_data; | |
910 | }; | |
911 | ||
912 | #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ | |
913 | static const struct acpi_probe_entry __acpi_probe_##name \ | |
914 | __used __section(__##table##_acpi_probe_table) \ | |
915 | = { \ | |
916 | .id = table_id, \ | |
917 | .type = subtable, \ | |
918 | .subtable_valid = valid, \ | |
919 | .probe_table = (acpi_tbl_table_handler)fn, \ | |
920 | .driver_data = data, \ | |
921 | } | |
922 | ||
923 | #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table | |
924 | #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end | |
925 | ||
926 | int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); | |
927 | ||
928 | #define acpi_probe_device_table(t) \ | |
929 | ({ \ | |
930 | extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ | |
931 | ACPI_PROBE_TABLE_END(t); \ | |
932 | __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ | |
933 | (&ACPI_PROBE_TABLE_END(t) - \ | |
934 | &ACPI_PROBE_TABLE(t))); \ | |
935 | }) | |
ffdcd955 MW |
936 | #else |
937 | static inline int acpi_dev_get_property(struct acpi_device *adev, | |
938 | const char *name, acpi_object_type type, | |
939 | const union acpi_object **obj) | |
940 | { | |
941 | return -ENXIO; | |
942 | } | |
3a7a2ab8 | 943 | |
504a3374 | 944 | static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode, |
64031e3e HG |
945 | const char *name, size_t index, |
946 | struct acpi_reference_args *args) | |
ffdcd955 MW |
947 | { |
948 | return -ENXIO; | |
949 | } | |
b31384fa | 950 | |
3a7a2ab8 RW |
951 | static inline int acpi_node_prop_get(struct fwnode_handle *fwnode, |
952 | const char *propname, | |
953 | void **valptr) | |
ffdcd955 MW |
954 | { |
955 | return -ENXIO; | |
956 | } | |
b31384fa RW |
957 | |
958 | static inline int acpi_dev_prop_get(struct acpi_device *adev, | |
959 | const char *propname, | |
960 | void **valptr) | |
961 | { | |
962 | return -ENXIO; | |
963 | } | |
964 | ||
965 | static inline int acpi_dev_prop_read_single(struct acpi_device *adev, | |
966 | const char *propname, | |
967 | enum dev_prop_type proptype, | |
968 | void *val) | |
969 | { | |
970 | return -ENXIO; | |
971 | } | |
972 | ||
3a7a2ab8 RW |
973 | static inline int acpi_node_prop_read(struct fwnode_handle *fwnode, |
974 | const char *propname, | |
975 | enum dev_prop_type proptype, | |
976 | void *val, size_t nval) | |
977 | { | |
978 | return -ENXIO; | |
979 | } | |
980 | ||
b31384fa RW |
981 | static inline int acpi_dev_prop_read(struct acpi_device *adev, |
982 | const char *propname, | |
983 | enum dev_prop_type proptype, | |
984 | void *val, size_t nval) | |
985 | { | |
986 | return -ENXIO; | |
987 | } | |
988 | ||
504a3374 RW |
989 | static inline struct fwnode_handle *acpi_get_next_subnode(struct device *dev, |
990 | struct fwnode_handle *subnode) | |
8a0662d9 RW |
991 | { |
992 | return NULL; | |
993 | } | |
994 | ||
e647b532 MZ |
995 | #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, validate, data, fn) \ |
996 | static const void * __acpi_table_##name[] \ | |
997 | __attribute__((unused)) \ | |
998 | = { (void *) table_id, \ | |
999 | (void *) subtable, \ | |
1000 | (void *) valid, \ | |
1001 | (void *) fn, \ | |
1002 | (void *) data } | |
1003 | ||
1004 | #define acpi_probe_device_table(t) ({ int __r = 0; __r;}) | |
ffdcd955 MW |
1005 | #endif |
1006 | ||
25be5e6c | 1007 | #endif /*_LINUX_ACPI_H*/ |