1 /* 2 * acpi.h - ACPI Interface 3 * 4 * Copyright (C) 2001 Paul Diefenbaugh <[email protected]> 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 28 #include <linux/ioport.h> /* for struct resource */ 29 30 #ifdef CONFIG_ACPI 31 32 #ifndef _LINUX 33 #define _LINUX 34 #endif 35 36 #include <linux/list.h> 37 #include <linux/mod_devicetable.h> 38 39 #include <acpi/acpi.h> 40 #include <acpi/acpi_bus.h> 41 #include <acpi/acpi_drivers.h> 42 #include <acpi/acpi_numa.h> 43 #include <asm/acpi.h> 44 #include <linux/dmi.h> 45 46 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, 52 ACPI_IRQ_MODEL_COUNT 53 }; 54 55 extern enum acpi_irq_model_id acpi_irq_model; 56 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 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 74 75 /* Table Handlers */ 76 77 typedef int (*acpi_table_handler) (struct acpi_table_header *table); 78 79 typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end); 80 81 char * __acpi_map_table (unsigned long phys_addr, unsigned long size); 82 int early_acpi_boot_init(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); 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); 94 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) 102 #else 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); 107 #endif 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 */ 114 115 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 void acpi_irq_stats_init(void); 118 extern u32 acpi_irq_handled; 119 120 extern struct acpi_mcfg_allocation *pci_mmcfg_config; 121 extern int pci_mmcfg_config_num; 122 123 extern int sbf_port; 124 extern unsigned long acpi_realmode_flags; 125 126 int acpi_register_gsi (u32 gsi, int triggering, int polarity); 127 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 128 129 #ifdef CONFIG_X86_IO_APIC 130 extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity); 131 #else 132 #define acpi_get_override_irq(bus, trigger, polarity) (-1) 133 #endif 134 /* 135 * This function undoes the effect of one call to acpi_register_gsi(). 136 * If this matches the last registration, any IRQ resources for gsi 137 * are freed. 138 */ 139 void acpi_unregister_gsi (u32 gsi); 140 141 struct acpi_prt_entry { 142 struct list_head node; 143 struct acpi_pci_id id; 144 u8 pin; 145 struct { 146 acpi_handle handle; 147 u32 index; 148 } link; 149 u32 irq; 150 }; 151 152 struct acpi_prt_list { 153 int count; 154 struct list_head entries; 155 }; 156 157 struct pci_dev; 158 159 int acpi_pci_irq_enable (struct pci_dev *dev); 160 void acpi_penalize_isa_irq(int irq, int active); 161 162 void acpi_pci_irq_disable (struct pci_dev *dev); 163 164 struct acpi_pci_driver { 165 struct acpi_pci_driver *next; 166 int (*add)(acpi_handle handle); 167 void (*remove)(acpi_handle handle); 168 }; 169 170 int acpi_pci_register_driver(struct acpi_pci_driver *driver); 171 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver); 172 173 #ifdef CONFIG_ACPI_EC 174 175 extern int ec_read(u8 addr, u8 *val); 176 extern int ec_write(u8 addr, u8 val); 177 extern int ec_transaction(u8 command, 178 const u8 *wdata, unsigned wdata_len, 179 u8 *rdata, unsigned rdata_len, 180 int force_poll); 181 182 #endif /*CONFIG_ACPI_EC*/ 183 184 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 185 186 typedef void (*wmi_notify_handler) (u32 value, void *context); 187 188 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 189 u32 method_id, 190 const struct acpi_buffer *in, 191 struct acpi_buffer *out); 192 extern acpi_status wmi_query_block(const char *guid, u8 instance, 193 struct acpi_buffer *out); 194 extern acpi_status wmi_set_block(const char *guid, u8 instance, 195 const struct acpi_buffer *in); 196 extern acpi_status wmi_install_notify_handler(const char *guid, 197 wmi_notify_handler handler, void *data); 198 extern acpi_status wmi_remove_notify_handler(const char *guid); 199 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 200 extern bool wmi_has_guid(const char *guid); 201 202 #endif /* CONFIG_ACPI_WMI */ 203 204 extern int acpi_blacklisted(void); 205 #ifdef CONFIG_DMI 206 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); 207 extern int acpi_osi_setup(char *str); 208 #endif 209 210 #ifdef CONFIG_ACPI_NUMA 211 int acpi_get_pxm(acpi_handle handle); 212 int acpi_get_node(acpi_handle *handle); 213 #else 214 static inline int acpi_get_pxm(acpi_handle handle) 215 { 216 return 0; 217 } 218 static inline int acpi_get_node(acpi_handle *handle) 219 { 220 return 0; 221 } 222 #endif 223 extern int acpi_paddr_to_node(u64 start_addr, u64 size); 224 225 extern int pnpacpi_disabled; 226 227 #define PXM_INVAL (-1) 228 #define NID_INVAL (-1) 229 230 int acpi_check_resource_conflict(struct resource *res); 231 232 int acpi_check_region(resource_size_t start, resource_size_t n, 233 const char *name); 234 int acpi_check_mem_region(resource_size_t start, resource_size_t n, 235 const char *name); 236 237 #else /* CONFIG_ACPI */ 238 239 static inline int early_acpi_boot_init(void) 240 { 241 return 0; 242 } 243 static inline int acpi_boot_init(void) 244 { 245 return 0; 246 } 247 248 static inline int acpi_boot_table_init(void) 249 { 250 return 0; 251 } 252 253 static inline int acpi_check_resource_conflict(struct resource *res) 254 { 255 return 0; 256 } 257 258 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 259 const char *name) 260 { 261 return 0; 262 } 263 264 static inline int acpi_check_mem_region(resource_size_t start, 265 resource_size_t n, const char *name) 266 { 267 return 0; 268 } 269 270 #endif /* !CONFIG_ACPI */ 271 #endif /*_LINUX_ACPI_H*/ 272