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>
49 enum acpi_irq_model_id {
50 ACPI_IRQ_MODEL_PIC = 0,
51 ACPI_IRQ_MODEL_IOAPIC,
52 ACPI_IRQ_MODEL_IOSAPIC,
53 ACPI_IRQ_MODEL_PLATFORM,
57 extern enum acpi_irq_model_id acpi_irq_model;
59 enum acpi_interrupt_id {
60 ACPI_INTERRUPT_PMI = 1,
66 #define ACPI_SPACE_MEM 0
68 enum acpi_address_range_id {
69 ACPI_ADDRESS_RANGE_MEMORY = 1,
70 ACPI_ADDRESS_RANGE_RESERVED = 2,
71 ACPI_ADDRESS_RANGE_ACPI = 3,
72 ACPI_ADDRESS_RANGE_NVS = 4,
73 ACPI_ADDRESS_RANGE_COUNT
79 typedef int (*acpi_table_handler) (struct acpi_table_header *table);
81 typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
83 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
84 unsigned long acpi_find_rsdp (void);
85 int acpi_boot_init (void);
86 int acpi_boot_table_init (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 #ifdef CONFIG_HAVE_ARCH_PARSE_SRAT
99 #define NR_NODE_MEMBLKS MAX_NUMNODES
100 #define acpi_numa_slit_init(slit) do {} while (0)
101 #define acpi_numa_processor_affinity_init(pa) do {} while (0)
102 #define acpi_numa_memory_affinity_init(ma) do {} while (0)
103 #define acpi_numa_arch_fixup() do {} while (0)
105 void acpi_numa_slit_init (struct acpi_table_slit *slit);
106 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
107 void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
108 void acpi_numa_arch_fixup(void);
111 #ifdef CONFIG_ACPI_HOTPLUG_CPU
112 /* Arch dependent functions for cpu hotplug support */
113 int acpi_map_lsapic(acpi_handle handle, int *pcpu);
114 int acpi_unmap_lsapic(int cpu);
115 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
117 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
118 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
120 extern int acpi_mp_config;
122 extern struct acpi_mcfg_allocation *pci_mmcfg_config;
123 extern int pci_mmcfg_config_num;
126 extern unsigned long acpi_realmode_flags;
128 #else /* !CONFIG_ACPI */
130 #define acpi_mp_config 0
132 #endif /* !CONFIG_ACPI */
134 int acpi_register_gsi (u32 gsi, int triggering, int polarity);
135 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
137 #ifdef CONFIG_X86_IO_APIC
138 extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity);
140 #define acpi_get_override_irq(bus, trigger, polarity) (-1)
143 * This function undoes the effect of one call to acpi_register_gsi().
144 * If this matches the last registration, any IRQ resources for gsi
147 void acpi_unregister_gsi (u32 gsi);
151 struct acpi_prt_entry {
152 struct list_head node;
153 struct acpi_pci_id id;
162 struct acpi_prt_list {
164 struct list_head entries;
169 int acpi_pci_irq_enable (struct pci_dev *dev);
170 void acpi_penalize_isa_irq(int irq, int active);
172 void acpi_pci_irq_disable (struct pci_dev *dev);
174 struct acpi_pci_driver {
175 struct acpi_pci_driver *next;
176 int (*add)(acpi_handle handle);
177 void (*remove)(acpi_handle handle);
180 int acpi_pci_register_driver(struct acpi_pci_driver *driver);
181 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
183 #endif /* CONFIG_ACPI */
185 #ifdef CONFIG_ACPI_EC
187 extern int ec_read(u8 addr, u8 *val);
188 extern int ec_write(u8 addr, u8 val);
189 extern int ec_transaction(u8 command,
190 const u8 *wdata, unsigned wdata_len,
191 u8 *rdata, unsigned rdata_len,
194 #endif /*CONFIG_ACPI_EC*/
196 extern int acpi_blacklisted(void);
198 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
201 #ifdef CONFIG_ACPI_NUMA
202 int acpi_get_pxm(acpi_handle handle);
203 int acpi_get_node(acpi_handle *handle);
205 static inline int acpi_get_pxm(acpi_handle handle)
209 static inline int acpi_get_node(acpi_handle *handle)
214 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
216 extern int pnpacpi_disabled;
218 #define PXM_INVAL (-1)
219 #define NID_INVAL (-1)
221 int acpi_check_resource_conflict(struct resource *res);
223 int acpi_check_region(resource_size_t start, resource_size_t n,
225 int acpi_check_mem_region(resource_size_t start, resource_size_t n,
228 #else /* CONFIG_ACPI */
230 static inline int acpi_boot_init(void)
235 static inline int acpi_boot_table_init(void)
240 static inline int acpi_check_resource_conflict(struct resource *res)
245 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
251 static inline int acpi_check_mem_region(resource_size_t start,
252 resource_size_t n, const char *name)
257 #endif /* !CONFIG_ACPI */
258 #endif /*_LINUX_ACPI_H*/