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>
44 #include <linux/dmi.h>
47 enum acpi_irq_model_id {
48 ACPI_IRQ_MODEL_PIC = 0,
49 ACPI_IRQ_MODEL_IOAPIC,
50 ACPI_IRQ_MODEL_IOSAPIC,
51 ACPI_IRQ_MODEL_PLATFORM,
55 extern enum acpi_irq_model_id acpi_irq_model;
57 enum acpi_interrupt_id {
58 ACPI_INTERRUPT_PMI = 1,
64 #define ACPI_SPACE_MEM 0
66 enum acpi_address_range_id {
67 ACPI_ADDRESS_RANGE_MEMORY = 1,
68 ACPI_ADDRESS_RANGE_RESERVED = 2,
69 ACPI_ADDRESS_RANGE_ACPI = 3,
70 ACPI_ADDRESS_RANGE_NVS = 4,
71 ACPI_ADDRESS_RANGE_COUNT
77 typedef int (*acpi_table_handler) (struct acpi_table_header *table);
79 typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
81 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
82 void __acpi_unmap_table(char *map, unsigned long size);
83 int early_acpi_boot_init(void);
84 int acpi_boot_init (void);
85 int acpi_boot_table_init (void);
86 int acpi_mps_check (void);
87 int acpi_numa_init (void);
89 int acpi_table_init (void);
90 int acpi_table_parse (char *id, acpi_table_handler handler);
91 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
92 int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
93 int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries);
94 int acpi_parse_mcfg (struct acpi_table_header *header);
95 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
97 /* the following four functions are architecture-dependent */
98 void acpi_numa_slit_init (struct acpi_table_slit *slit);
99 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
100 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
101 void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
102 void acpi_numa_arch_fixup(void);
104 #ifdef CONFIG_ACPI_HOTPLUG_CPU
105 /* Arch dependent functions for cpu hotplug support */
106 int acpi_map_lsapic(acpi_handle handle, int *pcpu);
107 int acpi_unmap_lsapic(int cpu);
108 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
110 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
111 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
112 void acpi_irq_stats_init(void);
113 extern u32 acpi_irq_handled;
114 extern u32 acpi_irq_not_handled;
116 extern struct acpi_mcfg_allocation *pci_mmcfg_config;
117 extern int pci_mmcfg_config_num;
120 extern unsigned long acpi_realmode_flags;
122 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
123 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
125 #ifdef CONFIG_X86_IO_APIC
126 extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity);
128 #define acpi_get_override_irq(bus, trigger, polarity) (-1)
131 * This function undoes the effect of one call to acpi_register_gsi().
132 * If this matches the last registration, any IRQ resources for gsi
135 void acpi_unregister_gsi (u32 gsi);
139 int acpi_pci_irq_enable (struct pci_dev *dev);
140 void acpi_penalize_isa_irq(int irq, int active);
142 void acpi_pci_irq_disable (struct pci_dev *dev);
144 struct acpi_pci_driver {
145 struct acpi_pci_driver *next;
146 int (*add)(acpi_handle handle);
147 void (*remove)(acpi_handle handle);
150 int acpi_pci_register_driver(struct acpi_pci_driver *driver);
151 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
153 extern int ec_read(u8 addr, u8 *val);
154 extern int ec_write(u8 addr, u8 val);
155 extern int ec_transaction(u8 command,
156 const u8 *wdata, unsigned wdata_len,
157 u8 *rdata, unsigned rdata_len,
160 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
162 typedef void (*wmi_notify_handler) (u32 value, void *context);
164 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
166 const struct acpi_buffer *in,
167 struct acpi_buffer *out);
168 extern acpi_status wmi_query_block(const char *guid, u8 instance,
169 struct acpi_buffer *out);
170 extern acpi_status wmi_set_block(const char *guid, u8 instance,
171 const struct acpi_buffer *in);
172 extern acpi_status wmi_install_notify_handler(const char *guid,
173 wmi_notify_handler handler, void *data);
174 extern acpi_status wmi_remove_notify_handler(const char *guid);
175 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
176 extern bool wmi_has_guid(const char *guid);
178 #endif /* CONFIG_ACPI_WMI */
180 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
181 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
182 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
183 #define ACPI_VIDEO_BACKLIGHT 0x0008
184 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
185 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
186 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
187 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
188 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
189 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
190 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
191 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
193 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
195 extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle);
196 extern long acpi_is_video_device(struct acpi_device *device);
197 extern int acpi_video_backlight_support(void);
198 extern int acpi_video_display_switch_support(void);
202 static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle)
207 static inline long acpi_is_video_device(struct acpi_device *device)
212 static inline int acpi_video_backlight_support(void)
217 static inline int acpi_video_display_switch_support(void)
222 #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */
224 extern int acpi_blacklisted(void);
226 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
227 extern int acpi_osi_setup(char *str);
230 #ifdef CONFIG_ACPI_NUMA
231 int acpi_get_pxm(acpi_handle handle);
232 int acpi_get_node(acpi_handle *handle);
234 static inline int acpi_get_pxm(acpi_handle handle)
238 static inline int acpi_get_node(acpi_handle *handle)
243 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
245 extern int pnpacpi_disabled;
247 #define PXM_INVAL (-1)
248 #define NID_INVAL (-1)
250 int acpi_check_resource_conflict(struct resource *res);
252 int acpi_check_region(resource_size_t start, resource_size_t n,
254 int acpi_check_mem_region(resource_size_t start, resource_size_t n,
257 #ifdef CONFIG_PM_SLEEP
258 void __init acpi_no_s4_hw_signature(void);
259 void __init acpi_old_suspend_ordering(void);
260 void __init acpi_s4_no_nvs(void);
261 #endif /* CONFIG_PM_SLEEP */
263 #define OSC_QUERY_TYPE 0
264 #define OSC_SUPPORT_TYPE 1
265 #define OSC_CONTROL_TYPE 2
266 #define OSC_SUPPORT_MASKS 0x1f
268 /* _OSC DW0 Definition */
269 #define OSC_QUERY_ENABLE 1
270 #define OSC_REQUEST_ERROR 2
271 #define OSC_INVALID_UUID_ERROR 4
272 #define OSC_INVALID_REVISION_ERROR 8
273 #define OSC_CAPABILITIES_MASK_ERROR 16
275 /* _OSC DW1 Definition (OS Support Fields) */
276 #define OSC_EXT_PCI_CONFIG_SUPPORT 1
277 #define OSC_ACTIVE_STATE_PWR_SUPPORT 2
278 #define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4
279 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8
280 #define OSC_MSI_SUPPORT 16
282 /* _OSC DW1 Definition (OS Control Fields) */
283 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1
284 #define OSC_SHPC_NATIVE_HP_CONTROL 2
285 #define OSC_PCI_EXPRESS_PME_CONTROL 4
286 #define OSC_PCI_EXPRESS_AER_CONTROL 8
287 #define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16
289 #define OSC_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \
290 OSC_SHPC_NATIVE_HP_CONTROL | \
291 OSC_PCI_EXPRESS_PME_CONTROL | \
292 OSC_PCI_EXPRESS_AER_CONTROL | \
293 OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL)
295 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 flags);
296 #else /* CONFIG_ACPI */
298 static inline int early_acpi_boot_init(void)
302 static inline int acpi_boot_init(void)
307 static inline int acpi_boot_table_init(void)
312 static inline int acpi_mps_check(void)
317 static inline int acpi_check_resource_conflict(struct resource *res)
322 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
328 static inline int acpi_check_mem_region(resource_size_t start,
329 resource_size_t n, const char *name)
334 #endif /* !CONFIG_ACPI */
335 #endif /*_LINUX_ACPI_H*/