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/ioport.h> /* for struct resource */
36 #include <linux/list.h>
37 #include <linux/mod_devicetable.h>
39 #include <acpi/acpi.h>
40 #include <acpi/acpi_bus.h>
41 #include <acpi/acpi_drivers.h>
42 #include <acpi/acpi_numa.h>
45 enum acpi_irq_model_id {
46 ACPI_IRQ_MODEL_PIC = 0,
47 ACPI_IRQ_MODEL_IOAPIC,
48 ACPI_IRQ_MODEL_IOSAPIC,
49 ACPI_IRQ_MODEL_PLATFORM,
53 extern enum acpi_irq_model_id acpi_irq_model;
55 enum acpi_interrupt_id {
56 ACPI_INTERRUPT_PMI = 1,
62 #define ACPI_SPACE_MEM 0
64 enum acpi_address_range_id {
65 ACPI_ADDRESS_RANGE_MEMORY = 1,
66 ACPI_ADDRESS_RANGE_RESERVED = 2,
67 ACPI_ADDRESS_RANGE_ACPI = 3,
68 ACPI_ADDRESS_RANGE_NVS = 4,
69 ACPI_ADDRESS_RANGE_COUNT
75 typedef int (*acpi_table_handler) (struct acpi_table_header *table);
77 typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
79 #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE
80 void acpi_initrd_override(void *data, size_t size);
82 static inline void acpi_initrd_override(void *data, size_t size)
87 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
88 void __acpi_unmap_table(char *map, unsigned long size);
89 int early_acpi_boot_init(void);
90 int acpi_boot_init (void);
91 void acpi_boot_table_init (void);
92 int acpi_mps_check (void);
93 int acpi_numa_init (void);
95 int acpi_table_init (void);
96 int acpi_table_parse (char *id, acpi_table_handler handler);
97 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
98 int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
99 int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries);
100 int acpi_parse_mcfg (struct acpi_table_header *header);
101 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
103 /* the following four functions are architecture-dependent */
104 void acpi_numa_slit_init (struct acpi_table_slit *slit);
105 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
106 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
107 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
108 void acpi_numa_arch_fixup(void);
110 #ifdef CONFIG_ACPI_HOTPLUG_CPU
111 /* Arch dependent functions for cpu hotplug support */
112 int acpi_map_lsapic(acpi_handle handle, int *pcpu);
113 int acpi_unmap_lsapic(int cpu);
114 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
116 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
117 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
118 void acpi_irq_stats_init(void);
119 extern u32 acpi_irq_handled;
120 extern u32 acpi_irq_not_handled;
123 extern unsigned long acpi_realmode_flags;
125 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
126 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
127 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
129 #ifdef CONFIG_X86_IO_APIC
130 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
132 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
135 * This function undoes the effect of one call to acpi_register_gsi().
136 * If this matches the last registration, any IRQ resources for gsi
139 void acpi_unregister_gsi (u32 gsi);
143 int acpi_pci_irq_enable (struct pci_dev *dev);
144 void acpi_penalize_isa_irq(int irq, int active);
146 void acpi_pci_irq_disable (struct pci_dev *dev);
148 struct acpi_pci_driver {
149 struct list_head node;
150 int (*add)(struct acpi_pci_root *root);
151 void (*remove)(struct acpi_pci_root *root);
154 int acpi_pci_register_driver(struct acpi_pci_driver *driver);
155 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
157 extern int ec_read(u8 addr, u8 *val);
158 extern int ec_write(u8 addr, u8 val);
159 extern int ec_transaction(u8 command,
160 const u8 *wdata, unsigned wdata_len,
161 u8 *rdata, unsigned rdata_len);
162 extern acpi_handle ec_get_handle(void);
164 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
166 typedef void (*wmi_notify_handler) (u32 value, void *context);
168 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
170 const struct acpi_buffer *in,
171 struct acpi_buffer *out);
172 extern acpi_status wmi_query_block(const char *guid, u8 instance,
173 struct acpi_buffer *out);
174 extern acpi_status wmi_set_block(const char *guid, u8 instance,
175 const struct acpi_buffer *in);
176 extern acpi_status wmi_install_notify_handler(const char *guid,
177 wmi_notify_handler handler, void *data);
178 extern acpi_status wmi_remove_notify_handler(const char *guid);
179 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
180 extern bool wmi_has_guid(const char *guid);
182 #endif /* CONFIG_ACPI_WMI */
184 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
185 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
186 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
187 #define ACPI_VIDEO_BACKLIGHT 0x0008
188 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
189 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
190 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
191 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
192 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
193 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
194 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
195 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
197 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
199 extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
200 extern long acpi_is_video_device(struct acpi_device *device);
201 extern void acpi_video_dmi_promote_vendor(void);
202 extern void acpi_video_dmi_demote_vendor(void);
203 extern int acpi_video_backlight_support(void);
204 extern int acpi_video_display_switch_support(void);
208 static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
213 static inline long acpi_is_video_device(struct acpi_device *device)
218 static inline void acpi_video_dmi_promote_vendor(void)
222 static inline void acpi_video_dmi_demote_vendor(void)
226 static inline int acpi_video_backlight_support(void)
231 static inline int acpi_video_display_switch_support(void)
236 #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
238 extern int acpi_blacklisted(void);
239 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
240 extern void acpi_osi_setup(char *str);
242 #ifdef CONFIG_ACPI_NUMA
243 int acpi_get_pxm(acpi_handle handle);
244 int acpi_get_node(acpi_handle *handle);
246 static inline int acpi_get_pxm(acpi_handle handle)
250 static inline int acpi_get_node(acpi_handle *handle)
255 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
257 extern int pnpacpi_disabled;
259 #define PXM_INVAL (-1)
261 int acpi_check_resource_conflict(const struct resource *res);
263 int acpi_check_region(resource_size_t start, resource_size_t n,
266 int acpi_resources_are_enforced(void);
268 #ifdef CONFIG_PM_SLEEP
269 void __init acpi_no_s4_hw_signature(void);
270 void __init acpi_old_suspend_ordering(void);
271 void __init acpi_nvs_nosave(void);
272 #endif /* CONFIG_PM_SLEEP */
274 struct acpi_osc_context {
275 char *uuid_str; /* uuid string */
277 struct acpi_buffer cap; /* arg2/arg3 */
278 struct acpi_buffer ret; /* free by caller if success */
281 #define OSC_QUERY_TYPE 0
282 #define OSC_SUPPORT_TYPE 1
283 #define OSC_CONTROL_TYPE 2
285 /* _OSC DW0 Definition */
286 #define OSC_QUERY_ENABLE 1
287 #define OSC_REQUEST_ERROR 2
288 #define OSC_INVALID_UUID_ERROR 4
289 #define OSC_INVALID_REVISION_ERROR 8
290 #define OSC_CAPABILITIES_MASK_ERROR 16
292 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
294 /* platform-wide _OSC bits */
295 #define OSC_SB_PAD_SUPPORT 1
296 #define OSC_SB_PPC_OST_SUPPORT 2
297 #define OSC_SB_PR3_SUPPORT 4
298 #define OSC_SB_HOTPLUG_OST_SUPPORT 8
299 #define OSC_SB_APEI_SUPPORT 16
301 extern bool osc_sb_apei_support_acked;
303 /* PCI defined _OSC bits */
304 /* _OSC DW1 Definition (OS Support Fields) */
305 #define OSC_EXT_PCI_CONFIG_SUPPORT 1
306 #define OSC_ACTIVE_STATE_PWR_SUPPORT 2
307 #define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4
308 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8
309 #define OSC_MSI_SUPPORT 16
310 #define OSC_PCI_SUPPORT_MASKS 0x1f
312 /* _OSC DW1 Definition (OS Control Fields) */
313 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1
314 #define OSC_SHPC_NATIVE_HP_CONTROL 2
315 #define OSC_PCI_EXPRESS_PME_CONTROL 4
316 #define OSC_PCI_EXPRESS_AER_CONTROL 8
317 #define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16
319 #define OSC_PCI_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \
320 OSC_SHPC_NATIVE_HP_CONTROL | \
321 OSC_PCI_EXPRESS_PME_CONTROL | \
322 OSC_PCI_EXPRESS_AER_CONTROL | \
323 OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL)
325 #define OSC_PCI_NATIVE_HOTPLUG (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \
326 OSC_SHPC_NATIVE_HP_CONTROL)
328 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
331 /* Enable _OST when all relevant hotplug operations are enabled */
332 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
333 (defined(CONFIG_ACPI_HOTPLUG_MEMORY) || \
334 defined(CONFIG_ACPI_HOTPLUG_MEMORY_MODULE)) && \
335 (defined(CONFIG_ACPI_CONTAINER) || \
336 defined(CONFIG_ACPI_CONTAINER_MODULE))
337 #define ACPI_HOTPLUG_OST
340 /* _OST Source Event Code (OSPM Action) */
341 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
342 #define ACPI_OST_EC_OSPM_EJECT 0x103
343 #define ACPI_OST_EC_OSPM_INSERTION 0x200
345 /* _OST General Processing Status Code */
346 #define ACPI_OST_SC_SUCCESS 0x0
347 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
348 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
350 /* _OST OS Shutdown Processing (0x100) Status Code */
351 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
352 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
353 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
354 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
356 /* _OST Ejection Request (0x3, 0x103) Status Code */
357 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
358 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
359 #define ACPI_OST_SC_DEVICE_BUSY 0x82
360 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
361 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
363 /* _OST Insertion Request (0x200) Status Code */
364 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
365 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
366 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
368 extern void acpi_early_init(void);
370 extern int acpi_nvs_register(__u64 start, __u64 size);
372 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
375 #else /* !CONFIG_ACPI */
377 #define acpi_disabled 1
379 static inline void acpi_early_init(void) { }
381 static inline int early_acpi_boot_init(void)
385 static inline int acpi_boot_init(void)
390 static inline void acpi_boot_table_init(void)
395 static inline int acpi_mps_check(void)
400 static inline int acpi_check_resource_conflict(struct resource *res)
405 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
411 struct acpi_table_header;
412 static inline int acpi_table_parse(char *id,
413 int (*handler)(struct acpi_table_header *))
418 static inline int acpi_nvs_register(__u64 start, __u64 size)
423 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
429 #endif /* !CONFIG_ACPI */
432 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
433 u32 pm1a_ctrl, u32 pm1b_ctrl));
435 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
436 u32 pm1a_control, u32 pm1b_control);
438 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
440 static inline void arch_reserve_mem_area(acpi_physical_address addr,
444 #endif /* CONFIG_X86 */
446 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
449 #endif /*_LINUX_ACPI_H*/