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 int early_acpi_boot_init(void);
83 int acpi_boot_init (void);
84 int acpi_boot_table_init (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 #ifdef CONFIG_HAVE_ARCH_PARSE_SRAT
97 #define NR_NODE_MEMBLKS MAX_NUMNODES
98 #define acpi_numa_slit_init(slit) do {} while (0)
99 #define acpi_numa_processor_affinity_init(pa) do {} while (0)
100 #define acpi_numa_memory_affinity_init(ma) do {} while (0)
101 #define acpi_numa_arch_fixup() do {} while (0)
103 void acpi_numa_slit_init (struct acpi_table_slit *slit);
104 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
105 void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
106 void acpi_numa_arch_fixup(void);
109 #ifdef CONFIG_ACPI_HOTPLUG_CPU
110 /* Arch dependent functions for cpu hotplug support */
111 int acpi_map_lsapic(acpi_handle handle, int *pcpu);
112 int acpi_unmap_lsapic(int cpu);
113 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
115 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
116 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
117 void acpi_irq_stats_init(void);
118 extern u32 acpi_irq_handled;
120 extern struct acpi_mcfg_allocation *pci_mmcfg_config;
121 extern int pci_mmcfg_config_num;
124 extern unsigned long acpi_realmode_flags;
126 int acpi_register_gsi (u32 gsi, int triggering, int polarity);
127 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
129 #ifdef CONFIG_X86_IO_APIC
130 extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity);
132 #define acpi_get_override_irq(bus, 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);
141 struct acpi_prt_entry {
142 struct list_head node;
143 struct acpi_pci_id id;
152 struct acpi_prt_list {
154 struct list_head entries;
159 int acpi_pci_irq_enable (struct pci_dev *dev);
160 void acpi_penalize_isa_irq(int irq, int active);
162 void acpi_pci_irq_disable (struct pci_dev *dev);
164 struct acpi_pci_driver {
165 struct acpi_pci_driver *next;
166 int (*add)(acpi_handle handle);
167 void (*remove)(acpi_handle handle);
170 int acpi_pci_register_driver(struct acpi_pci_driver *driver);
171 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
173 #ifdef CONFIG_ACPI_EC
175 extern int ec_read(u8 addr, u8 *val);
176 extern int ec_write(u8 addr, u8 val);
177 extern int ec_transaction(u8 command,
178 const u8 *wdata, unsigned wdata_len,
179 u8 *rdata, unsigned rdata_len,
182 #endif /*CONFIG_ACPI_EC*/
184 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
186 typedef void (*wmi_notify_handler) (u32 value, void *context);
188 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
190 const struct acpi_buffer *in,
191 struct acpi_buffer *out);
192 extern acpi_status wmi_query_block(const char *guid, u8 instance,
193 struct acpi_buffer *out);
194 extern acpi_status wmi_set_block(const char *guid, u8 instance,
195 const struct acpi_buffer *in);
196 extern acpi_status wmi_install_notify_handler(const char *guid,
197 wmi_notify_handler handler, void *data);
198 extern acpi_status wmi_remove_notify_handler(const char *guid);
199 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out);
200 extern bool wmi_has_guid(const char *guid);
202 #endif /* CONFIG_ACPI_WMI */
204 extern int acpi_blacklisted(void);
206 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
207 extern int acpi_osi_setup(char *str);
210 #ifdef CONFIG_ACPI_NUMA
211 int acpi_get_pxm(acpi_handle handle);
212 int acpi_get_node(acpi_handle *handle);
214 static inline int acpi_get_pxm(acpi_handle handle)
218 static inline int acpi_get_node(acpi_handle *handle)
223 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
225 extern int pnpacpi_disabled;
227 #define PXM_INVAL (-1)
228 #define NID_INVAL (-1)
230 int acpi_check_resource_conflict(struct resource *res);
232 int acpi_check_region(resource_size_t start, resource_size_t n,
234 int acpi_check_mem_region(resource_size_t start, resource_size_t n,
237 #else /* CONFIG_ACPI */
239 static inline int early_acpi_boot_init(void)
243 static inline int acpi_boot_init(void)
248 static inline int acpi_boot_table_init(void)
253 static inline int acpi_check_resource_conflict(struct resource *res)
258 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
264 static inline int acpi_check_mem_region(resource_size_t start,
265 resource_size_t n, const char *name)
270 #endif /* !CONFIG_ACPI */
271 #endif /*_LINUX_ACPI_H*/