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>
37 #include <acpi/acpi.h>
38 #include <acpi/acpi_bus.h>
39 #include <acpi/acpi_drivers.h>
40 #include <acpi/acpi_numa.h>
46 enum acpi_irq_model_id {
47 ACPI_IRQ_MODEL_PIC = 0,
48 ACPI_IRQ_MODEL_IOAPIC,
49 ACPI_IRQ_MODEL_IOSAPIC,
50 ACPI_IRQ_MODEL_PLATFORM,
54 extern enum acpi_irq_model_id acpi_irq_model;
56 enum acpi_interrupt_id {
57 ACPI_INTERRUPT_PMI = 1,
63 #define ACPI_SPACE_MEM 0
65 enum acpi_address_range_id {
66 ACPI_ADDRESS_RANGE_MEMORY = 1,
67 ACPI_ADDRESS_RANGE_RESERVED = 2,
68 ACPI_ADDRESS_RANGE_ACPI = 3,
69 ACPI_ADDRESS_RANGE_NVS = 4,
70 ACPI_ADDRESS_RANGE_COUNT
76 typedef int (*acpi_table_handler) (struct acpi_table_header *table);
78 typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end);
80 char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
81 unsigned long acpi_find_rsdp (void);
82 int acpi_boot_init (void);
83 int acpi_boot_table_init (void);
84 int acpi_numa_init (void);
86 int acpi_table_init (void);
87 int acpi_table_parse (char *id, acpi_table_handler handler);
88 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
89 int entry_id, acpi_table_entry_handler handler, unsigned int max_entries);
90 int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries);
91 int acpi_table_parse_srat (enum acpi_srat_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);
94 void acpi_table_print_srat_entry (struct acpi_subtable_header *srat);
96 /* the following four functions are architecture-dependent */
97 #ifdef CONFIG_HAVE_ARCH_PARSE_SRAT
98 #define NR_NODE_MEMBLKS MAX_NUMNODES
99 #define acpi_numa_slit_init(slit) do {} while (0)
100 #define acpi_numa_processor_affinity_init(pa) do {} while (0)
101 #define acpi_numa_memory_affinity_init(ma) do {} while (0)
102 #define acpi_numa_arch_fixup() do {} while (0)
104 void acpi_numa_slit_init (struct acpi_table_slit *slit);
105 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
106 void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
107 void acpi_numa_arch_fixup(void);
110 #ifdef CONFIG_ACPI_HOTPLUG_CPU
111 /* Arch dependent functions for cpu hotplug support */
112 int acpi_map_lsapic(acpi_handle handle, int *pcpu);
113 int acpi_unmap_lsapic(int cpu);
114 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
116 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
117 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
119 extern int acpi_mp_config;
121 extern struct acpi_mcfg_allocation *pci_mmcfg_config;
122 extern int pci_mmcfg_config_num;
125 extern unsigned long acpi_video_flags;
127 #else /* !CONFIG_ACPI */
129 #define acpi_mp_config 0
131 #endif /* !CONFIG_ACPI */
133 int acpi_register_gsi (u32 gsi, int triggering, int polarity);
134 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
137 * This function undoes the effect of one call to acpi_register_gsi().
138 * If this matches the last registration, any IRQ resources for gsi
141 void acpi_unregister_gsi (u32 gsi);
145 struct acpi_prt_entry {
146 struct list_head node;
147 struct acpi_pci_id id;
156 struct acpi_prt_list {
158 struct list_head entries;
163 int acpi_pci_irq_enable (struct pci_dev *dev);
164 void acpi_penalize_isa_irq(int irq, int active);
166 void acpi_pci_irq_disable (struct pci_dev *dev);
168 struct acpi_pci_driver {
169 struct acpi_pci_driver *next;
170 int (*add)(acpi_handle handle);
171 void (*remove)(acpi_handle handle);
174 int acpi_pci_register_driver(struct acpi_pci_driver *driver);
175 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver);
177 #endif /* CONFIG_ACPI */
179 #ifdef CONFIG_ACPI_EC
181 extern int ec_read(u8 addr, u8 *val);
182 extern int ec_write(u8 addr, u8 val);
183 extern int ec_transaction(u8 command,
184 const u8 *wdata, unsigned wdata_len,
185 u8 *rdata, unsigned rdata_len);
187 #endif /*CONFIG_ACPI_EC*/
189 extern int acpi_blacklisted(void);
190 extern void acpi_bios_year(char *s);
192 #define ACPI_CSTATE_LIMIT_DEFINED /* for driver builds */
196 * Set highest legal C-state
197 * 0: C0 okay, but not C1
198 * 1: C1 okay, but not C2
199 * 2: C2 okay, but not C3 etc.
202 extern unsigned int max_cstate;
204 static inline unsigned int acpi_get_cstate_limit(void)
208 static inline void acpi_set_cstate_limit(unsigned int new_limit)
210 max_cstate = new_limit;
214 static inline unsigned int acpi_get_cstate_limit(void) { return 0; }
215 static inline void acpi_set_cstate_limit(unsigned int new_limit) { return; }
218 #ifdef CONFIG_ACPI_NUMA
219 int acpi_get_pxm(acpi_handle handle);
220 int acpi_get_node(acpi_handle *handle);
222 static inline int acpi_get_pxm(acpi_handle handle)
226 static inline int acpi_get_node(acpi_handle *handle)
231 extern int acpi_paddr_to_node(u64 start_addr, u64 size);
233 extern int pnpacpi_disabled;
235 #else /* CONFIG_ACPI */
237 static inline int acpi_boot_init(void)
242 static inline int acpi_boot_table_init(void)
247 #endif /* CONFIG_ACPI */
248 #endif /*_LINUX_ACPI_H*/