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 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
80 void __acpi_unmap_table(char *map, unsigned long size);
81 int early_acpi_boot_init(void);
82 int acpi_boot_init (void);
83 void acpi_boot_table_init (void);
84 int acpi_mps_check (void);
85 int acpi_numa_init (void);
87 int acpi_table_init (void);
88 int acpi_table_parse (char *id, acpi_table_handler handler);
89 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
90 int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
91 int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries);
92 int acpi_parse_mcfg (struct acpi_table_header *header);
93 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
95 /* the following four functions are architecture-dependent */
96 void acpi_numa_slit_init (struct acpi_table_slit *slit);
97 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
98 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
99 void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
100 void acpi_numa_arch_fixup(void);
102 #ifdef CONFIG_ACPI_HOTPLUG_CPU
103 /* Arch dependent functions for cpu hotplug support */
104 int acpi_map_lsapic(acpi_handle handle, int *pcpu);
105 int acpi_unmap_lsapic(int cpu);
106 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
108 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
109 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
110 void acpi_irq_stats_init(void);
111 extern u32 acpi_irq_handled;
112 extern u32 acpi_irq_not_handled;
113 extern unsigned int acpi_sci_irq;
114 #define INVALID_ACPI_IRQ ((unsigned)-1)
115 static inline bool acpi_sci_irq_valid(void)
117 return acpi_sci_irq != INVALID_ACPI_IRQ;
121 extern unsigned long acpi_realmode_flags;
123 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
124 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
125 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
127 #ifdef CONFIG_X86_IO_APIC
128 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
130 #define acpi_get_override_irq(gsi, trigger, polarity) (-1)
133 * This function undoes the effect of one call to acpi_register_gsi().
134 * If this matches the last registration, any IRQ resources for gsi
137 void acpi_unregister_gsi (u32 gsi);
141 int acpi_pci_irq_enable (struct pci_dev *dev);
142 void acpi_penalize_isa_irq(int irq, int active);
144 void acpi_pci_irq_disable (struct pci_dev *dev);
146 struct acpi_pci_driver {
147 struct acpi_pci_driver *next;
148 int (*add)(acpi_handle handle);
149 void (*remove)(acpi_handle handle);
152 int acpi_pci_register_driver(struct acpi_pci_driver *driver);
153 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
155 extern int ec_read(u8 addr, u8 *val);
156 extern int ec_write(u8 addr, u8 val);
157 extern int ec_transaction(u8 command,
158 const u8 *wdata, unsigned wdata_len,
159 u8 *rdata, unsigned rdata_len);
161 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
163 typedef void (*wmi_notify_handler) (u32 value, void *context);
165 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
167 const struct acpi_buffer *in,
168 struct acpi_buffer *out);
169 extern acpi_status wmi_query_block(const char *guid, u8 instance,
170 struct acpi_buffer *out);
171 extern acpi_status wmi_set_block(const char *guid, u8 instance,
172 const struct acpi_buffer *in);
173 extern acpi_status wmi_install_notify_handler(const char *guid,
174 wmi_notify_handler handler, void *data);
175 extern acpi_status wmi_remove_notify_handler(const char *guid);
176 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
177 extern bool wmi_has_guid(const char *guid);
179 #endif /* CONFIG_ACPI_WMI */
181 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
182 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
183 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
184 #define ACPI_VIDEO_BACKLIGHT 0x0008
185 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
186 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
187 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
188 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
189 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
190 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
191 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
192 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
194 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
196 extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
197 extern long acpi_is_video_device(struct acpi_device *device);
198 extern int acpi_video_backlight_support(void);
199 extern int acpi_video_display_switch_support(void);
203 static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
208 static inline long acpi_is_video_device(struct acpi_device *device)
213 static inline int acpi_video_backlight_support(void)
218 static inline int acpi_video_display_switch_support(void)
223 #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
225 extern int acpi_blacklisted(void);
226 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
227 extern void acpi_osi_setup(char *str);
229 #ifdef CONFIG_ACPI_NUMA
230 int acpi_get_pxm(acpi_handle handle);
231 int acpi_get_node(acpi_handle *handle);
233 static inline int acpi_get_pxm(acpi_handle handle)
237 static inline int acpi_get_node(acpi_handle *handle)
242 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
244 extern int pnpacpi_disabled;
246 #define PXM_INVAL (-1)
248 int acpi_check_resource_conflict(const struct resource *res);
250 int acpi_check_region(resource_size_t start, resource_size_t n,
253 int acpi_resources_are_enforced(void);
255 #ifdef CONFIG_PM_SLEEP
256 void __init acpi_no_s4_hw_signature(void);
257 void __init acpi_old_suspend_ordering(void);
258 void __init acpi_nvs_nosave(void);
259 #endif /* CONFIG_PM_SLEEP */
261 struct acpi_osc_context {
262 char *uuid_str; /* uuid string */
264 struct acpi_buffer cap; /* arg2/arg3 */
265 struct acpi_buffer ret; /* free by caller if success */
268 #define OSC_QUERY_TYPE 0
269 #define OSC_SUPPORT_TYPE 1
270 #define OSC_CONTROL_TYPE 2
272 /* _OSC DW0 Definition */
273 #define OSC_QUERY_ENABLE 1
274 #define OSC_REQUEST_ERROR 2
275 #define OSC_INVALID_UUID_ERROR 4
276 #define OSC_INVALID_REVISION_ERROR 8
277 #define OSC_CAPABILITIES_MASK_ERROR 16
279 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
281 /* platform-wide _OSC bits */
282 #define OSC_SB_PAD_SUPPORT 1
283 #define OSC_SB_PPC_OST_SUPPORT 2
284 #define OSC_SB_PR3_SUPPORT 4
285 #define OSC_SB_CPUHP_OST_SUPPORT 8
286 #define OSC_SB_APEI_SUPPORT 16
288 extern bool osc_sb_apei_support_acked;
290 /* PCI defined _OSC bits */
291 /* _OSC DW1 Definition (OS Support Fields) */
292 #define OSC_EXT_PCI_CONFIG_SUPPORT 1
293 #define OSC_ACTIVE_STATE_PWR_SUPPORT 2
294 #define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4
295 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8
296 #define OSC_MSI_SUPPORT 16
297 #define OSC_PCI_SUPPORT_MASKS 0x1f
299 /* _OSC DW1 Definition (OS Control Fields) */
300 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1
301 #define OSC_SHPC_NATIVE_HP_CONTROL 2
302 #define OSC_PCI_EXPRESS_PME_CONTROL 4
303 #define OSC_PCI_EXPRESS_AER_CONTROL 8
304 #define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16
306 #define OSC_PCI_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \
307 OSC_SHPC_NATIVE_HP_CONTROL | \
308 OSC_PCI_EXPRESS_PME_CONTROL | \
309 OSC_PCI_EXPRESS_AER_CONTROL | \
310 OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL)
311 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
313 extern void acpi_early_init(void);
315 #else /* !CONFIG_ACPI */
317 #define acpi_disabled 1
319 static inline void acpi_early_init(void) { }
321 static inline int early_acpi_boot_init(void)
325 static inline int acpi_boot_init(void)
330 static inline void acpi_boot_table_init(void)
335 static inline int acpi_mps_check(void)
340 static inline int acpi_check_resource_conflict(struct resource *res)
345 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
351 struct acpi_table_header;
352 static inline int acpi_table_parse(char *id,
353 int (*handler)(struct acpi_table_header *))
357 #endif /* !CONFIG_ACPI */
359 #ifdef CONFIG_ACPI_SLEEP
360 int suspend_nvs_register(unsigned long start, unsigned long size);
362 static inline int suspend_nvs_register(unsigned long a, unsigned long b)
368 #endif /*_LINUX_ACPI_H*/