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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> | |
29b71a1c | 36 | #include <linux/mod_devicetable.h> |
1da177e4 LT |
37 | |
38 | #include <acpi/acpi.h> | |
39 | #include <acpi/acpi_bus.h> | |
40 | #include <acpi/acpi_drivers.h> | |
762834e8 | 41 | #include <acpi/acpi_numa.h> |
1da177e4 LT |
42 | #include <asm/acpi.h> |
43 | ||
44 | ||
888ba6c6 | 45 | #ifdef CONFIG_ACPI |
1da177e4 LT |
46 | |
47 | enum acpi_irq_model_id { | |
48 | ACPI_IRQ_MODEL_PIC = 0, | |
49 | ACPI_IRQ_MODEL_IOAPIC, | |
50 | ACPI_IRQ_MODEL_IOSAPIC, | |
3948ec94 | 51 | ACPI_IRQ_MODEL_PLATFORM, |
1da177e4 LT |
52 | ACPI_IRQ_MODEL_COUNT |
53 | }; | |
54 | ||
55 | extern enum acpi_irq_model_id acpi_irq_model; | |
56 | ||
1da177e4 LT |
57 | enum acpi_interrupt_id { |
58 | ACPI_INTERRUPT_PMI = 1, | |
59 | ACPI_INTERRUPT_INIT, | |
60 | ACPI_INTERRUPT_CPEI, | |
61 | ACPI_INTERRUPT_COUNT | |
62 | }; | |
63 | ||
64 | #define ACPI_SPACE_MEM 0 | |
65 | ||
1da177e4 LT |
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 | |
72 | }; | |
73 | ||
1da177e4 | 74 | |
1da177e4 LT |
75 | /* Table Handlers */ |
76 | ||
15a58ed1 | 77 | typedef int (*acpi_table_handler) (struct acpi_table_header *table); |
1da177e4 | 78 | |
5a8765a8 | 79 | typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end); |
1da177e4 LT |
80 | |
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); | |
86 | ||
87 | int acpi_table_init (void); | |
ceb6c468 | 88 | int acpi_table_parse (char *id, acpi_table_handler handler); |
6eb87fed LB |
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); | |
5a8765a8 | 91 | int acpi_table_parse_madt (enum acpi_madt_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); |
1da177e4 LT |
94 | |
95 | /* the following four functions are architecture-dependent */ | |
762834e8 YG |
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) | |
102 | #else | |
1da177e4 | 103 | void acpi_numa_slit_init (struct acpi_table_slit *slit); |
15a58ed1 AS |
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); | |
1da177e4 | 106 | void acpi_numa_arch_fixup(void); |
762834e8 | 107 | #endif |
1da177e4 LT |
108 | |
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 */ | |
114 | ||
b1bb248a KK |
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 | ||
1da177e4 LT |
118 | extern int acpi_mp_config; |
119 | ||
15a58ed1 | 120 | extern struct acpi_mcfg_allocation *pci_mmcfg_config; |
54549391 | 121 | extern int pci_mmcfg_config_num; |
1da177e4 | 122 | |
c255d844 | 123 | extern int sbf_port; |
77afcf78 | 124 | extern unsigned long acpi_realmode_flags; |
1da177e4 | 125 | |
888ba6c6 | 126 | #else /* !CONFIG_ACPI */ |
1da177e4 LT |
127 | |
128 | #define acpi_mp_config 0 | |
129 | ||
888ba6c6 | 130 | #endif /* !CONFIG_ACPI */ |
1da177e4 | 131 | |
50eca3eb | 132 | int acpi_register_gsi (u32 gsi, int triggering, int polarity); |
1da177e4 LT |
133 | int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); |
134 | ||
135 | /* | |
136 | * This function undoes the effect of one call to acpi_register_gsi(). | |
137 | * If this matches the last registration, any IRQ resources for gsi | |
138 | * are freed. | |
139 | */ | |
1da177e4 | 140 | void acpi_unregister_gsi (u32 gsi); |
1da177e4 | 141 | |
6153df7b | 142 | #ifdef CONFIG_ACPI |
1da177e4 LT |
143 | |
144 | struct acpi_prt_entry { | |
145 | struct list_head node; | |
146 | struct acpi_pci_id id; | |
147 | u8 pin; | |
148 | struct { | |
149 | acpi_handle handle; | |
150 | u32 index; | |
151 | } link; | |
152 | u32 irq; | |
153 | }; | |
154 | ||
155 | struct acpi_prt_list { | |
156 | int count; | |
157 | struct list_head entries; | |
158 | }; | |
159 | ||
160 | struct pci_dev; | |
161 | ||
162 | int acpi_pci_irq_enable (struct pci_dev *dev); | |
c9c3e457 | 163 | void acpi_penalize_isa_irq(int irq, int active); |
1da177e4 | 164 | |
1da177e4 | 165 | void acpi_pci_irq_disable (struct pci_dev *dev); |
1da177e4 LT |
166 | |
167 | struct acpi_pci_driver { | |
168 | struct acpi_pci_driver *next; | |
169 | int (*add)(acpi_handle handle); | |
170 | void (*remove)(acpi_handle handle); | |
171 | }; | |
172 | ||
173 | int acpi_pci_register_driver(struct acpi_pci_driver *driver); | |
174 | void acpi_pci_unregister_driver(struct acpi_pci_driver *driver); | |
175 | ||
6153df7b | 176 | #endif /* CONFIG_ACPI */ |
1da177e4 LT |
177 | |
178 | #ifdef CONFIG_ACPI_EC | |
179 | ||
180 | extern int ec_read(u8 addr, u8 *val); | |
181 | extern int ec_write(u8 addr, u8 val); | |
d7a76e4c LP |
182 | extern int ec_transaction(u8 command, |
183 | const u8 *wdata, unsigned wdata_len, | |
00eb43a1 LP |
184 | u8 *rdata, unsigned rdata_len, |
185 | int force_poll); | |
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 | ||
3484d798 DR |
235 | #define PXM_INVAL (-1) |
236 | #define NID_INVAL (-1) | |
237 | ||
53de49f5 AM |
238 | #else /* CONFIG_ACPI */ |
239 | ||
240 | static inline int acpi_boot_init(void) | |
241 | { | |
242 | return 0; | |
243 | } | |
244 | ||
245 | static inline int acpi_boot_table_init(void) | |
246 | { | |
247 | return 0; | |
248 | } | |
249 | ||
25be5e6c LB |
250 | #endif /* CONFIG_ACPI */ |
251 | #endif /*_LINUX_ACPI_H*/ |