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 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
35 #include <linux/list.h>
36 #include <linux/mod_devicetable.h>
38 #include <acpi/acpi.h>
39 #include <acpi/acpi_bus.h>
40 #include <acpi/acpi_drivers.h>
41 #include <acpi/acpi_numa.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 unsigned long acpi_find_rsdp (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);
118 extern int acpi_mp_config;
120 extern struct acpi_mcfg_allocation *pci_mmcfg_config;
121 extern int pci_mmcfg_config_num;
124 extern unsigned long acpi_realmode_flags;
126 #else /* !CONFIG_ACPI */
128 #define acpi_mp_config 0
130 #endif /* !CONFIG_ACPI */
132 int acpi_register_gsi (u32 gsi, int triggering, int polarity);
133 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
135 #ifdef CONFIG_X86_IO_APIC
136 extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity);
138 #define acpi_get_override_irq(bus, trigger, polarity) (-1)
141 * This function undoes the effect of one call to acpi_register_gsi().
142 * If this matches the last registration, any IRQ resources for gsi
145 void acpi_unregister_gsi (u32 gsi);
149 struct acpi_prt_entry {
150 struct list_head node;
151 struct acpi_pci_id id;
160 struct acpi_prt_list {
162 struct list_head entries;
167 int acpi_pci_irq_enable (struct pci_dev *dev);
168 void acpi_penalize_isa_irq(int irq, int active);
170 void acpi_pci_irq_disable (struct pci_dev *dev);
172 struct acpi_pci_driver {
173 struct acpi_pci_driver *next;
174 int (*add)(acpi_handle handle);
175 void (*remove)(acpi_handle handle);
178 int acpi_pci_register_driver(struct acpi_pci_driver *driver);
179 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
181 #endif /* CONFIG_ACPI */
183 #ifdef CONFIG_ACPI_EC
185 extern int ec_read(u8 addr, u8 *val);
186 extern int ec_write(u8 addr, u8 val);
187 extern int ec_transaction(u8 command,
188 const u8 *wdata, unsigned wdata_len,
189 u8 *rdata, unsigned rdata_len,
192 #endif /*CONFIG_ACPI_EC*/
194 extern int acpi_blacklisted(void);
195 extern void acpi_bios_year(char *s);
197 #ifdef CONFIG_ACPI_NUMA
198 int acpi_get_pxm(acpi_handle handle);
199 int acpi_get_node(acpi_handle *handle);
201 static inline int acpi_get_pxm(acpi_handle handle)
205 static inline int acpi_get_node(acpi_handle *handle)
210 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
212 extern int pnpacpi_disabled;
214 #define PXM_INVAL (-1)
215 #define NID_INVAL (-1)
217 #else /* CONFIG_ACPI */
219 static inline int acpi_boot_init(void)
224 static inline int acpi_boot_table_init(void)
229 #endif /* CONFIG_ACPI */
230 #endif /*_LINUX_ACPI_H*/