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1da177e4 LT |
1 | /* |
2 | * acpi.h - ACPI Interface | |
3 | * | |
4 | * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> | |
5 | * | |
6 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
7 | * | |
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. | |
12 | * | |
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. | |
17 | * | |
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 | |
21 | * | |
22 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
23 | */ | |
24 | ||
25 | #ifndef _LINUX_ACPI_H | |
26 | #define _LINUX_ACPI_H | |
27 | ||
3f5948fa | 28 | |
25be5e6c LB |
29 | #ifdef CONFIG_ACPI |
30 | ||
1da177e4 LT |
31 | #ifndef _LINUX |
32 | #define _LINUX | |
33 | #endif | |
34 | ||
35 | #include <linux/list.h> | |
36 | ||
37 | #include <acpi/acpi.h> | |
38 | #include <acpi/acpi_bus.h> | |
39 | #include <acpi/acpi_drivers.h> | |
762834e8 | 40 | #include <acpi/acpi_numa.h> |
1da177e4 LT |
41 | #include <asm/acpi.h> |
42 | ||
43 | ||
888ba6c6 | 44 | #ifdef CONFIG_ACPI |
1da177e4 LT |
45 | |
46 | enum acpi_irq_model_id { | |
47 | ACPI_IRQ_MODEL_PIC = 0, | |
48 | ACPI_IRQ_MODEL_IOAPIC, | |
49 | ACPI_IRQ_MODEL_IOSAPIC, | |
3948ec94 | 50 | ACPI_IRQ_MODEL_PLATFORM, |
1da177e4 LT |
51 | ACPI_IRQ_MODEL_COUNT |
52 | }; | |
53 | ||
54 | extern enum acpi_irq_model_id acpi_irq_model; | |
55 | ||
1da177e4 LT |
56 | enum acpi_interrupt_id { |
57 | ACPI_INTERRUPT_PMI = 1, | |
58 | ACPI_INTERRUPT_INIT, | |
59 | ACPI_INTERRUPT_CPEI, | |
60 | ACPI_INTERRUPT_COUNT | |
61 | }; | |
62 | ||
63 | #define ACPI_SPACE_MEM 0 | |
64 | ||
1da177e4 LT |
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 | |
71 | }; | |
72 | ||
1da177e4 | 73 | |
1da177e4 LT |
74 | /* Table Handlers */ |
75 | ||
15a58ed1 | 76 | typedef int (*acpi_table_handler) (struct acpi_table_header *table); |
1da177e4 | 77 | |
5a8765a8 | 78 | typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end); |
1da177e4 LT |
79 | |
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); | |
85 | ||
86 | int acpi_table_init (void); | |
ceb6c468 | 87 | int acpi_table_parse (char *id, acpi_table_handler handler); |
6eb87fed LB |
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); | |
5a8765a8 LB |
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); | |
ceb6c468 | 92 | int acpi_parse_mcfg (struct acpi_table_header *header); |
5f3b1a8b | 93 | void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); |
15a58ed1 | 94 | void acpi_table_print_srat_entry (struct acpi_subtable_header *srat); |
1da177e4 LT |
95 | |
96 | /* the following four functions are architecture-dependent */ | |
762834e8 YG |
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) | |
103 | #else | |
1da177e4 | 104 | void acpi_numa_slit_init (struct acpi_table_slit *slit); |
15a58ed1 AS |
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); | |
1da177e4 | 107 | void acpi_numa_arch_fixup(void); |
762834e8 | 108 | #endif |
1da177e4 LT |
109 | |
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 */ | |
115 | ||
b1bb248a KK |
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); | |
118 | ||
1da177e4 LT |
119 | extern int acpi_mp_config; |
120 | ||
15a58ed1 | 121 | extern struct acpi_mcfg_allocation *pci_mmcfg_config; |
54549391 | 122 | extern int pci_mmcfg_config_num; |
1da177e4 | 123 | |
c255d844 PM |
124 | extern int sbf_port; |
125 | extern unsigned long acpi_video_flags; | |
1da177e4 | 126 | |
888ba6c6 | 127 | #else /* !CONFIG_ACPI */ |
1da177e4 LT |
128 | |
129 | #define acpi_mp_config 0 | |
130 | ||
888ba6c6 | 131 | #endif /* !CONFIG_ACPI */ |
1da177e4 | 132 | |
50eca3eb | 133 | int acpi_register_gsi (u32 gsi, int triggering, int polarity); |
1da177e4 LT |
134 | int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); |
135 | ||
136 | /* | |
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 | |
139 | * are freed. | |
140 | */ | |
1da177e4 | 141 | void acpi_unregister_gsi (u32 gsi); |
1da177e4 | 142 | |
6153df7b | 143 | #ifdef CONFIG_ACPI |
1da177e4 LT |
144 | |
145 | struct acpi_prt_entry { | |
146 | struct list_head node; | |
147 | struct acpi_pci_id id; | |
148 | u8 pin; | |
149 | struct { | |
150 | acpi_handle handle; | |
151 | u32 index; | |
152 | } link; | |
153 | u32 irq; | |
154 | }; | |
155 | ||
156 | struct acpi_prt_list { | |
157 | int count; | |
158 | struct list_head entries; | |
159 | }; | |
160 | ||
161 | struct pci_dev; | |
162 | ||
163 | int acpi_pci_irq_enable (struct pci_dev *dev); | |
c9c3e457 | 164 | void acpi_penalize_isa_irq(int irq, int active); |
1da177e4 | 165 | |
1da177e4 | 166 | void acpi_pci_irq_disable (struct pci_dev *dev); |
1da177e4 LT |
167 | |
168 | struct acpi_pci_driver { | |
169 | struct acpi_pci_driver *next; | |
170 | int (*add)(acpi_handle handle); | |
171 | void (*remove)(acpi_handle handle); | |
172 | }; | |
173 | ||
174 | int acpi_pci_register_driver(struct acpi_pci_driver *driver); | |
175 | void acpi_pci_unregister_driver(struct acpi_pci_driver *driver); | |
176 | ||
6153df7b | 177 | #endif /* CONFIG_ACPI */ |
1da177e4 LT |
178 | |
179 | #ifdef CONFIG_ACPI_EC | |
180 | ||
181 | extern int ec_read(u8 addr, u8 *val); | |
182 | extern int ec_write(u8 addr, u8 val); | |
d7a76e4c LP |
183 | extern int ec_transaction(u8 command, |
184 | const u8 *wdata, unsigned wdata_len, | |
185 | u8 *rdata, unsigned rdata_len); | |
1da177e4 LT |
186 | |
187 | #endif /*CONFIG_ACPI_EC*/ | |
188 | ||
1da177e4 LT |
189 | extern int acpi_blacklisted(void); |
190 | extern void acpi_bios_year(char *s); | |
191 | ||
1da177e4 LT |
192 | #define ACPI_CSTATE_LIMIT_DEFINED /* for driver builds */ |
193 | #ifdef CONFIG_ACPI | |
194 | ||
195 | /* | |
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. | |
200 | */ | |
201 | ||
202 | extern unsigned int max_cstate; | |
203 | ||
204 | static inline unsigned int acpi_get_cstate_limit(void) | |
205 | { | |
206 | return max_cstate; | |
207 | } | |
208 | static inline void acpi_set_cstate_limit(unsigned int new_limit) | |
209 | { | |
210 | max_cstate = new_limit; | |
211 | return; | |
212 | } | |
213 | #else | |
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; } | |
216 | #endif | |
217 | ||
218 | #ifdef CONFIG_ACPI_NUMA | |
219 | int acpi_get_pxm(acpi_handle handle); | |
1e3590e2 | 220 | int acpi_get_node(acpi_handle *handle); |
1da177e4 LT |
221 | #else |
222 | static inline int acpi_get_pxm(acpi_handle handle) | |
223 | { | |
224 | return 0; | |
225 | } | |
1e3590e2 YG |
226 | static inline int acpi_get_node(acpi_handle *handle) |
227 | { | |
228 | return 0; | |
229 | } | |
1da177e4 | 230 | #endif |
1e3590e2 | 231 | extern int acpi_paddr_to_node(u64 start_addr, u64 size); |
1da177e4 LT |
232 | |
233 | extern int pnpacpi_disabled; | |
234 | ||
53de49f5 AM |
235 | #else /* CONFIG_ACPI */ |
236 | ||
237 | static inline int acpi_boot_init(void) | |
238 | { | |
239 | return 0; | |
240 | } | |
241 | ||
242 | static inline int acpi_boot_table_init(void) | |
243 | { | |
244 | return 0; | |
245 | } | |
246 | ||
25be5e6c LB |
247 | #endif /* CONFIG_ACPI */ |
248 | #endif /*_LINUX_ACPI_H*/ |