Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
David Mosberger | 3f5948f | 2005-06-06 15:50:09 -0700 | [diff] [blame] | 28 | |
Len Brown | 25be5e6 | 2005-05-27 04:21:50 -0400 | [diff] [blame] | 29 | #ifdef CONFIG_ACPI |
| 30 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
Yasunori Goto | 762834e | 2006-06-23 02:03:19 -0700 | [diff] [blame] | 40 | #include <acpi/acpi_numa.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | #include <asm/acpi.h> |
| 42 | |
| 43 | |
Len Brown | 888ba6c | 2005-08-24 12:07:20 -0400 | [diff] [blame] | 44 | #ifdef CONFIG_ACPI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | |
| 46 | enum acpi_irq_model_id { |
| 47 | ACPI_IRQ_MODEL_PIC = 0, |
| 48 | ACPI_IRQ_MODEL_IOAPIC, |
| 49 | ACPI_IRQ_MODEL_IOSAPIC, |
John Keller | 3948ec9 | 2006-12-22 11:50:04 -0600 | [diff] [blame] | 50 | ACPI_IRQ_MODEL_PLATFORM, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | ACPI_IRQ_MODEL_COUNT |
| 52 | }; |
| 53 | |
| 54 | extern enum acpi_irq_model_id acpi_irq_model; |
| 55 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | /* Table Handlers */ |
| 75 | |
Alexey Starikovskiy | 15a58ed | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 76 | typedef int (*acpi_table_handler) (struct acpi_table_header *table); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | |
Len Brown | 5a8765a | 2007-02-10 21:35:47 -0500 | [diff] [blame] | 78 | typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
Alexey Starikovskiy | ceb6c46 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 87 | int acpi_table_parse (char *id, acpi_table_handler handler); |
Len Brown | 6eb87fe | 2007-02-10 22:17:07 -0500 | [diff] [blame] | 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); |
Len Brown | 5a8765a | 2007-02-10 21:35:47 -0500 | [diff] [blame] | 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); |
Alexey Starikovskiy | ceb6c46 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 92 | int acpi_parse_mcfg (struct acpi_table_header *header); |
Alexey Starikovskiy | 5f3b1a8 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 93 | void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); |
Alexey Starikovskiy | 15a58ed | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 94 | void acpi_table_print_srat_entry (struct acpi_subtable_header *srat); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | |
| 96 | /* the following four functions are architecture-dependent */ |
Yasunori Goto | 762834e | 2006-06-23 02:03:19 -0700 | [diff] [blame] | 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 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | void acpi_numa_slit_init (struct acpi_table_slit *slit); |
Alexey Starikovskiy | 15a58ed | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 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); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | void acpi_numa_arch_fixup(void); |
Yasunori Goto | 762834e | 2006-06-23 02:03:19 -0700 | [diff] [blame] | 108 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Kenji Kaneshige | b1bb248 | 2005-04-28 00:25:58 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 119 | extern int acpi_mp_config; |
| 120 | |
Alexey Starikovskiy | 15a58ed | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 121 | extern struct acpi_mcfg_allocation *pci_mmcfg_config; |
Greg Kroah-Hartman | 5454939 | 2005-06-23 17:35:56 -0700 | [diff] [blame] | 122 | extern int pci_mmcfg_config_num; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | |
Pavel Machek | c255d84 | 2006-02-20 18:27:58 -0800 | [diff] [blame] | 124 | extern int sbf_port; |
| 125 | extern unsigned long acpi_video_flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | |
Len Brown | 888ba6c | 2005-08-24 12:07:20 -0400 | [diff] [blame] | 127 | #else /* !CONFIG_ACPI */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | |
| 129 | #define acpi_mp_config 0 |
| 130 | |
Len Brown | 888ba6c | 2005-08-24 12:07:20 -0400 | [diff] [blame] | 131 | #endif /* !CONFIG_ACPI */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | |
Bob Moore | 50eca3e | 2005-09-30 19:03:00 -0400 | [diff] [blame] | 133 | int acpi_register_gsi (u32 gsi, int triggering, int polarity); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | void acpi_unregister_gsi (u32 gsi); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | |
Len Brown | 6153df7 | 2005-08-25 12:27:09 -0400 | [diff] [blame] | 143 | #ifdef CONFIG_ACPI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
David Shaohua Li | c9c3e45 | 2005-04-01 00:07:31 -0500 | [diff] [blame] | 164 | void acpi_penalize_isa_irq(int irq, int active); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | void acpi_pci_irq_disable (struct pci_dev *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Len Brown | 6153df7 | 2005-08-25 12:27:09 -0400 | [diff] [blame] | 177 | #endif /* CONFIG_ACPI */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
Lennart Poettering | d7a76e4 | 2006-09-05 12:12:24 -0400 | [diff] [blame] | 183 | extern int ec_transaction(u8 command, |
| 184 | const u8 *wdata, unsigned wdata_len, |
Lennart Poettering | 00eb43a | 2007-05-04 14:16:19 +0200 | [diff] [blame^] | 185 | u8 *rdata, unsigned rdata_len, |
| 186 | int force_poll); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | |
| 188 | #endif /*CONFIG_ACPI_EC*/ |
| 189 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | extern int acpi_blacklisted(void); |
| 191 | extern void acpi_bios_year(char *s); |
| 192 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | #define ACPI_CSTATE_LIMIT_DEFINED /* for driver builds */ |
| 194 | #ifdef CONFIG_ACPI |
| 195 | |
| 196 | /* |
| 197 | * Set highest legal C-state |
| 198 | * 0: C0 okay, but not C1 |
| 199 | * 1: C1 okay, but not C2 |
| 200 | * 2: C2 okay, but not C3 etc. |
| 201 | */ |
| 202 | |
| 203 | extern unsigned int max_cstate; |
| 204 | |
| 205 | static inline unsigned int acpi_get_cstate_limit(void) |
| 206 | { |
| 207 | return max_cstate; |
| 208 | } |
| 209 | static inline void acpi_set_cstate_limit(unsigned int new_limit) |
| 210 | { |
| 211 | max_cstate = new_limit; |
| 212 | return; |
| 213 | } |
| 214 | #else |
| 215 | static inline unsigned int acpi_get_cstate_limit(void) { return 0; } |
| 216 | static inline void acpi_set_cstate_limit(unsigned int new_limit) { return; } |
| 217 | #endif |
| 218 | |
| 219 | #ifdef CONFIG_ACPI_NUMA |
| 220 | int acpi_get_pxm(acpi_handle handle); |
Yasunori Goto | 1e3590e | 2006-06-27 02:53:31 -0700 | [diff] [blame] | 221 | int acpi_get_node(acpi_handle *handle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | #else |
| 223 | static inline int acpi_get_pxm(acpi_handle handle) |
| 224 | { |
| 225 | return 0; |
| 226 | } |
Yasunori Goto | 1e3590e | 2006-06-27 02:53:31 -0700 | [diff] [blame] | 227 | static inline int acpi_get_node(acpi_handle *handle) |
| 228 | { |
| 229 | return 0; |
| 230 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 231 | #endif |
Yasunori Goto | 1e3590e | 2006-06-27 02:53:31 -0700 | [diff] [blame] | 232 | extern int acpi_paddr_to_node(u64 start_addr, u64 size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 233 | |
| 234 | extern int pnpacpi_disabled; |
| 235 | |
Andrew Morton | 53de49f | 2005-07-30 04:18:00 -0400 | [diff] [blame] | 236 | #else /* CONFIG_ACPI */ |
| 237 | |
| 238 | static inline int acpi_boot_init(void) |
| 239 | { |
| 240 | return 0; |
| 241 | } |
| 242 | |
| 243 | static inline int acpi_boot_table_init(void) |
| 244 | { |
| 245 | return 0; |
| 246 | } |
| 247 | |
Len Brown | 25be5e6 | 2005-05-27 04:21:50 -0400 | [diff] [blame] | 248 | #endif /* CONFIG_ACPI */ |
| 249 | #endif /*_LINUX_ACPI_H*/ |