2 * acpi.h - ACPI Interface
4 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.
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.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
28 #include <linux/errno.h>
29 #include <linux/ioport.h> /* for struct resource */
37 #include <linux/list.h>
38 #include <linux/mod_devicetable.h>
40 #include <acpi/acpi.h>
41 #include <acpi/acpi_bus.h>
42 #include <acpi/acpi_drivers.h>
43 #include <acpi/acpi_numa.h>
46 enum acpi_irq_model_id {
47 ACPI_IRQ_MODEL_PIC = 0,
48 ACPI_IRQ_MODEL_IOAPIC,
49 ACPI_IRQ_MODEL_IOSAPIC,
50 ACPI_IRQ_MODEL_PLATFORM,
54 extern enum acpi_irq_model_id acpi_irq_model;
56 enum acpi_interrupt_id {
57 ACPI_INTERRUPT_PMI = 1,
63 #define ACPI_SPACE_MEM 0
65 enum acpi_address_range_id {
66 ACPI_ADDRESS_RANGE_MEMORY = 1,
67 ACPI_ADDRESS_RANGE_RESERVED = 2,
68 ACPI_ADDRESS_RANGE_ACPI = 3,
69 ACPI_ADDRESS_RANGE_NVS = 4,
70 ACPI_ADDRESS_RANGE_COUNT
76 typedef int (*acpi_table_handler) (struct acpi_table_header *table);
78 typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
80 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
81 void __acpi_unmap_table(char *map, unsigned long size);
82 int early_acpi_boot_init(void);
83 int acpi_boot_init (void);
84 void acpi_boot_table_init (void);
85 int acpi_mps_check (void);
86 int acpi_numa_init (void);
88 int acpi_table_init (void);
89 int acpi_table_parse (char *id, acpi_table_handler handler);
90 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
91 int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
92 int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries);
93 int acpi_parse_mcfg (struct acpi_table_header *header);
94 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
96 /* the following four functions are architecture-dependent */
97 void acpi_numa_slit_init (struct acpi_table_slit *slit);
98 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
99 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
100 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
101 void acpi_numa_arch_fixup(void);
103 #ifdef CONFIG_ACPI_HOTPLUG_CPU
104 /* Arch dependent functions for cpu hotplug support */
105 int acpi_map_lsapic(acpi_handle handle, int *pcpu);
106 int acpi_unmap_lsapic(int cpu);
107 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
109 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
110 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
111 void acpi_irq_stats_init(void);
112 extern u32 acpi_irq_handled;
113 extern u32 acpi_irq_not_handled;
116 extern unsigned long acpi_realmode_flags;
118 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
119 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
120 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
122 #ifdef CONFIG_X86_IO_APIC
123 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
125 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
128 * This function undoes the effect of one call to acpi_register_gsi().
129 * If this matches the last registration, any IRQ resources for gsi
132 void acpi_unregister_gsi (u32 gsi);
136 int acpi_pci_irq_enable (struct pci_dev *dev);
137 void acpi_penalize_isa_irq(int irq, int active);
139 void acpi_pci_irq_disable (struct pci_dev *dev);
141 struct acpi_pci_driver {
142 struct list_head node;
143 int (*add)(struct acpi_pci_root *root);
144 void (*remove)(struct acpi_pci_root *root);
147 int acpi_pci_register_driver(struct acpi_pci_driver *driver);
148 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
150 extern int ec_read(u8 addr, u8 *val);
151 extern int ec_write(u8 addr, u8 val);
152 extern int ec_transaction(u8 command,
153 const u8 *wdata, unsigned wdata_len,
154 u8 *rdata, unsigned rdata_len);
155 extern acpi_handle ec_get_handle(void);
157 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
159 typedef void (*wmi_notify_handler) (u32 value, void *context);
161 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
163 const struct acpi_buffer *in,
164 struct acpi_buffer *out);
165 extern acpi_status wmi_query_block(const char *guid, u8 instance,
166 struct acpi_buffer *out);
167 extern acpi_status wmi_set_block(const char *guid, u8 instance,
168 const struct acpi_buffer *in);
169 extern acpi_status wmi_install_notify_handler(const char *guid,
170 wmi_notify_handler handler, void *data);
171 extern acpi_status wmi_remove_notify_handler(const char *guid);
172 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
173 extern bool wmi_has_guid(const char *guid);
175 #endif /* CONFIG_ACPI_WMI */
177 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
178 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
179 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
180 #define ACPI_VIDEO_BACKLIGHT 0x0008
181 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
182 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
183 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
184 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
185 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
186 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
187 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
188 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
190 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
192 extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
193 extern long acpi_is_video_device(struct acpi_device *device);
194 extern void acpi_video_dmi_promote_vendor(void);
195 extern void acpi_video_dmi_demote_vendor(void);
196 extern int acpi_video_backlight_support(void);
197 extern int acpi_video_display_switch_support(void);
201 static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
206 static inline long acpi_is_video_device(struct acpi_device *device)
211 static inline void acpi_video_dmi_promote_vendor(void)
215 static inline void acpi_video_dmi_demote_vendor(void)
219 static inline int acpi_video_backlight_support(void)
224 static inline int acpi_video_display_switch_support(void)
229 #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
231 extern int acpi_blacklisted(void);
232 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
233 extern void acpi_osi_setup(char *str);
235 #ifdef CONFIG_ACPI_NUMA
236 int acpi_get_pxm(acpi_handle handle);
237 int acpi_get_node(acpi_handle *handle);
239 static inline int acpi_get_pxm(acpi_handle handle)
243 static inline int acpi_get_node(acpi_handle *handle)
248 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
250 extern int pnpacpi_disabled;
252 #define PXM_INVAL (-1)
254 int acpi_check_resource_conflict(const struct resource *res);
256 int acpi_check_region(resource_size_t start, resource_size_t n,
259 int acpi_resources_are_enforced(void);
261 #ifdef CONFIG_PM_SLEEP
262 void __init acpi_no_s4_hw_signature(void);
263 void __init acpi_old_suspend_ordering(void);
264 void __init acpi_nvs_nosave(void);
265 #endif /* CONFIG_PM_SLEEP */
267 struct acpi_osc_context {
268 char *uuid_str; /* uuid string */
270 struct acpi_buffer cap; /* arg2/arg3 */
271 struct acpi_buffer ret; /* free by caller if success */
274 #define OSC_QUERY_TYPE 0
275 #define OSC_SUPPORT_TYPE 1
276 #define OSC_CONTROL_TYPE 2
278 /* _OSC DW0 Definition */
279 #define OSC_QUERY_ENABLE 1
280 #define OSC_REQUEST_ERROR 2
281 #define OSC_INVALID_UUID_ERROR 4
282 #define OSC_INVALID_REVISION_ERROR 8
283 #define OSC_CAPABILITIES_MASK_ERROR 16
285 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
287 /* platform-wide _OSC bits */
288 #define OSC_SB_PAD_SUPPORT 1
289 #define OSC_SB_PPC_OST_SUPPORT 2
290 #define OSC_SB_PR3_SUPPORT 4
291 #define OSC_SB_HOTPLUG_OST_SUPPORT 8
292 #define OSC_SB_APEI_SUPPORT 16
294 extern bool osc_sb_apei_support_acked;
296 /* PCI defined _OSC bits */
297 /* _OSC DW1 Definition (OS Support Fields) */
298 #define OSC_EXT_PCI_CONFIG_SUPPORT 1
299 #define OSC_ACTIVE_STATE_PWR_SUPPORT 2
300 #define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4
301 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8
302 #define OSC_MSI_SUPPORT 16
303 #define OSC_PCI_SUPPORT_MASKS 0x1f
305 /* _OSC DW1 Definition (OS Control Fields) */
306 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1
307 #define OSC_SHPC_NATIVE_HP_CONTROL 2
308 #define OSC_PCI_EXPRESS_PME_CONTROL 4
309 #define OSC_PCI_EXPRESS_AER_CONTROL 8
310 #define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16
312 #define OSC_PCI_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \
313 OSC_SHPC_NATIVE_HP_CONTROL | \
314 OSC_PCI_EXPRESS_PME_CONTROL | \
315 OSC_PCI_EXPRESS_AER_CONTROL | \
316 OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL)
318 #define OSC_PCI_NATIVE_HOTPLUG (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \
319 OSC_SHPC_NATIVE_HP_CONTROL)
321 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
324 /* Enable _OST when all relevant hotplug operations are enabled */
325 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
326 (defined(CONFIG_ACPI_HOTPLUG_MEMORY) || \
327 defined(CONFIG_ACPI_HOTPLUG_MEMORY_MODULE)) && \
328 (defined(CONFIG_ACPI_CONTAINER) || \
329 defined(CONFIG_ACPI_CONTAINER_MODULE))
330 #define ACPI_HOTPLUG_OST
333 /* _OST Source Event Code (OSPM Action) */
334 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
335 #define ACPI_OST_EC_OSPM_EJECT 0x103
336 #define ACPI_OST_EC_OSPM_INSERTION 0x200
338 /* _OST General Processing Status Code */
339 #define ACPI_OST_SC_SUCCESS 0x0
340 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
341 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
343 /* _OST OS Shutdown Processing (0x100) Status Code */
344 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
345 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
346 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
347 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
349 /* _OST Ejection Request (0x3, 0x103) Status Code */
350 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
351 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
352 #define ACPI_OST_SC_DEVICE_BUSY 0x82
353 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
354 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
356 /* _OST Insertion Request (0x200) Status Code */
357 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
358 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
359 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
361 extern void acpi_early_init(void);
363 extern int acpi_nvs_register(__u64 start, __u64 size);
365 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
368 #else /* !CONFIG_ACPI */
370 #define acpi_disabled 1
372 static inline void acpi_early_init(void) { }
374 static inline int early_acpi_boot_init(void)
378 static inline int acpi_boot_init(void)
383 static inline void acpi_boot_table_init(void)
388 static inline int acpi_mps_check(void)
393 static inline int acpi_check_resource_conflict(struct resource *res)
398 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
404 struct acpi_table_header;
405 static inline int acpi_table_parse(char *id,
406 int (*handler)(struct acpi_table_header *))
411 static inline int acpi_nvs_register(__u64 start, __u64 size)
416 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
422 #endif /* !CONFIG_ACPI */
425 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
426 u32 pm1a_ctrl, u32 pm1b_ctrl));
428 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
429 u32 pm1a_control, u32 pm1b_control);
431 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
434 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_RUNTIME)
435 int acpi_dev_runtime_suspend(struct device *dev);
436 int acpi_dev_runtime_resume(struct device *dev);
437 int acpi_subsys_runtime_suspend(struct device *dev);
438 int acpi_subsys_runtime_resume(struct device *dev);
440 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; }
441 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; }
442 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
443 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
446 #ifdef CONFIG_ACPI_SLEEP
447 int acpi_dev_suspend_late(struct device *dev);
448 int acpi_dev_resume_early(struct device *dev);
449 int acpi_subsys_prepare(struct device *dev);
450 int acpi_subsys_suspend_late(struct device *dev);
451 int acpi_subsys_resume_early(struct device *dev);
453 static inline int acpi_dev_suspend_late(struct device *dev) { return 0; }
454 static inline int acpi_dev_resume_early(struct device *dev) { return 0; }
455 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
456 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
457 static inline int acpi_subsys_resume_early(struct device *dev) { return 0; }
460 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
461 int acpi_dev_pm_attach(struct device *dev);
462 int acpi_dev_pm_detach(struct device *dev);
464 static inline int acpi_dev_pm_attach(struct device *dev) { return -ENODEV; }
465 static inline void acpi_dev_pm_detach(struct device *dev) {}
468 #endif /*_LINUX_ACPI_H*/