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 45 enum acpi_irq_model_id { 46 ACPI_IRQ_MODEL_PIC = 0, 47 ACPI_IRQ_MODEL_IOAPIC, 48 ACPI_IRQ_MODEL_IOSAPIC, 49 ACPI_IRQ_MODEL_PLATFORM, 50 ACPI_IRQ_MODEL_COUNT 51 }; 52 53 extern enum acpi_irq_model_id acpi_irq_model; 54 55 enum acpi_interrupt_id { 56 ACPI_INTERRUPT_PMI = 1, 57 ACPI_INTERRUPT_INIT, 58 ACPI_INTERRUPT_CPEI, 59 ACPI_INTERRUPT_COUNT 60 }; 61 62 #define ACPI_SPACE_MEM 0 63 64 enum acpi_address_range_id { 65 ACPI_ADDRESS_RANGE_MEMORY = 1, 66 ACPI_ADDRESS_RANGE_RESERVED = 2, 67 ACPI_ADDRESS_RANGE_ACPI = 3, 68 ACPI_ADDRESS_RANGE_NVS = 4, 69 ACPI_ADDRESS_RANGE_COUNT 70 }; 71 72 73 /* Table Handlers */ 74 75 typedef int (*acpi_table_handler) (struct acpi_table_header *table); 76 77 typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end); 78 79 char * __acpi_map_table (unsigned long phys_addr, unsigned long size); 80 void __acpi_unmap_table(char *map, unsigned long size); 81 int early_acpi_boot_init(void); 82 int acpi_boot_init (void); 83 void acpi_boot_table_init (void); 84 int acpi_mps_check (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 void acpi_numa_slit_init (struct acpi_table_slit *slit); 97 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 98 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 99 void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 100 void acpi_numa_arch_fixup(void); 101 102 #ifdef CONFIG_ACPI_HOTPLUG_CPU 103 /* Arch dependent functions for cpu hotplug support */ 104 int acpi_map_lsapic(acpi_handle handle, int *pcpu); 105 int acpi_unmap_lsapic(int cpu); 106 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 107 108 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 109 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 110 void acpi_irq_stats_init(void); 111 extern u32 acpi_irq_handled; 112 extern u32 acpi_irq_not_handled; 113 114 extern int sbf_port; 115 extern unsigned long acpi_realmode_flags; 116 117 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 118 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 119 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 120 121 #ifdef CONFIG_X86_IO_APIC 122 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 123 #else 124 #define acpi_get_override_irq(gsi, trigger, polarity) (-1) 125 #endif 126 /* 127 * This function undoes the effect of one call to acpi_register_gsi(). 128 * If this matches the last registration, any IRQ resources for gsi 129 * are freed. 130 */ 131 void acpi_unregister_gsi (u32 gsi); 132 133 struct pci_dev; 134 135 int acpi_pci_irq_enable (struct pci_dev *dev); 136 void acpi_penalize_isa_irq(int irq, int active); 137 138 void acpi_pci_irq_disable (struct pci_dev *dev); 139 140 struct acpi_pci_driver { 141 struct acpi_pci_driver *next; 142 int (*add)(acpi_handle handle); 143 void (*remove)(acpi_handle handle); 144 }; 145 146 int acpi_pci_register_driver(struct acpi_pci_driver *driver); 147 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver); 148 149 extern int ec_read(u8 addr, u8 *val); 150 extern int ec_write(u8 addr, u8 val); 151 extern int ec_transaction(u8 command, 152 const u8 *wdata, unsigned wdata_len, 153 u8 *rdata, unsigned rdata_len); 154 155 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 156 157 typedef void (*wmi_notify_handler) (u32 value, void *context); 158 159 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 160 u32 method_id, 161 const struct acpi_buffer *in, 162 struct acpi_buffer *out); 163 extern acpi_status wmi_query_block(const char *guid, u8 instance, 164 struct acpi_buffer *out); 165 extern acpi_status wmi_set_block(const char *guid, u8 instance, 166 const struct acpi_buffer *in); 167 extern acpi_status wmi_install_notify_handler(const char *guid, 168 wmi_notify_handler handler, void *data); 169 extern acpi_status wmi_remove_notify_handler(const char *guid); 170 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 171 extern bool wmi_has_guid(const char *guid); 172 173 #endif /* CONFIG_ACPI_WMI */ 174 175 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 176 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 177 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 178 #define ACPI_VIDEO_BACKLIGHT 0x0008 179 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 180 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 181 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 182 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 183 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 184 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 185 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 186 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 187 188 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) 189 190 extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle); 191 extern long acpi_is_video_device(struct acpi_device *device); 192 extern int acpi_video_backlight_support(void); 193 extern int acpi_video_display_switch_support(void); 194 195 #else 196 197 static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle) 198 { 199 return 0; 200 } 201 202 static inline long acpi_is_video_device(struct acpi_device *device) 203 { 204 return 0; 205 } 206 207 static inline int acpi_video_backlight_support(void) 208 { 209 return 0; 210 } 211 212 static inline int acpi_video_display_switch_support(void) 213 { 214 return 0; 215 } 216 217 #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */ 218 219 extern int acpi_blacklisted(void); 220 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); 221 extern void acpi_osi_setup(char *str); 222 223 #ifdef CONFIG_ACPI_NUMA 224 int acpi_get_pxm(acpi_handle handle); 225 int acpi_get_node(acpi_handle *handle); 226 #else 227 static inline int acpi_get_pxm(acpi_handle handle) 228 { 229 return 0; 230 } 231 static inline int acpi_get_node(acpi_handle *handle) 232 { 233 return 0; 234 } 235 #endif 236 extern int acpi_paddr_to_node(u64 start_addr, u64 size); 237 238 extern int pnpacpi_disabled; 239 240 #define PXM_INVAL (-1) 241 242 int acpi_check_resource_conflict(const struct resource *res); 243 244 int acpi_check_region(resource_size_t start, resource_size_t n, 245 const char *name); 246 247 int acpi_resources_are_enforced(void); 248 249 #ifdef CONFIG_PM_SLEEP 250 void __init acpi_no_s4_hw_signature(void); 251 void __init acpi_old_suspend_ordering(void); 252 void __init acpi_nvs_nosave(void); 253 #endif /* CONFIG_PM_SLEEP */ 254 255 struct acpi_osc_context { 256 char *uuid_str; /* uuid string */ 257 int rev; 258 struct acpi_buffer cap; /* arg2/arg3 */ 259 struct acpi_buffer ret; /* free by caller if success */ 260 }; 261 262 #define OSC_QUERY_TYPE 0 263 #define OSC_SUPPORT_TYPE 1 264 #define OSC_CONTROL_TYPE 2 265 266 /* _OSC DW0 Definition */ 267 #define OSC_QUERY_ENABLE 1 268 #define OSC_REQUEST_ERROR 2 269 #define OSC_INVALID_UUID_ERROR 4 270 #define OSC_INVALID_REVISION_ERROR 8 271 #define OSC_CAPABILITIES_MASK_ERROR 16 272 273 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 274 275 /* platform-wide _OSC bits */ 276 #define OSC_SB_PAD_SUPPORT 1 277 #define OSC_SB_PPC_OST_SUPPORT 2 278 #define OSC_SB_PR3_SUPPORT 4 279 #define OSC_SB_CPUHP_OST_SUPPORT 8 280 #define OSC_SB_APEI_SUPPORT 16 281 282 extern bool osc_sb_apei_support_acked; 283 284 /* PCI defined _OSC bits */ 285 /* _OSC DW1 Definition (OS Support Fields) */ 286 #define OSC_EXT_PCI_CONFIG_SUPPORT 1 287 #define OSC_ACTIVE_STATE_PWR_SUPPORT 2 288 #define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4 289 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8 290 #define OSC_MSI_SUPPORT 16 291 #define OSC_PCI_SUPPORT_MASKS 0x1f 292 293 /* _OSC DW1 Definition (OS Control Fields) */ 294 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1 295 #define OSC_SHPC_NATIVE_HP_CONTROL 2 296 #define OSC_PCI_EXPRESS_PME_CONTROL 4 297 #define OSC_PCI_EXPRESS_AER_CONTROL 8 298 #define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16 299 300 #define OSC_PCI_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \ 301 OSC_SHPC_NATIVE_HP_CONTROL | \ 302 OSC_PCI_EXPRESS_PME_CONTROL | \ 303 OSC_PCI_EXPRESS_AER_CONTROL | \ 304 OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL) 305 306 #define OSC_PCI_NATIVE_HOTPLUG (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \ 307 OSC_SHPC_NATIVE_HP_CONTROL) 308 309 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, 310 u32 *mask, u32 req); 311 extern void acpi_early_init(void); 312 313 extern int acpi_nvs_register(__u64 start, __u64 size); 314 315 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 316 void *data); 317 318 #else /* !CONFIG_ACPI */ 319 320 #define acpi_disabled 1 321 322 static inline void acpi_early_init(void) { } 323 324 static inline int early_acpi_boot_init(void) 325 { 326 return 0; 327 } 328 static inline int acpi_boot_init(void) 329 { 330 return 0; 331 } 332 333 static inline void acpi_boot_table_init(void) 334 { 335 return; 336 } 337 338 static inline int acpi_mps_check(void) 339 { 340 return 0; 341 } 342 343 static inline int acpi_check_resource_conflict(struct resource *res) 344 { 345 return 0; 346 } 347 348 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 349 const char *name) 350 { 351 return 0; 352 } 353 354 struct acpi_table_header; 355 static inline int acpi_table_parse(char *id, 356 int (*handler)(struct acpi_table_header *)) 357 { 358 return -1; 359 } 360 361 static inline int acpi_nvs_register(__u64 start, __u64 size) 362 { 363 return 0; 364 } 365 366 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 367 void *data) 368 { 369 return 0; 370 } 371 372 #endif /* !CONFIG_ACPI */ 373 374 #endif /*_LINUX_ACPI_H*/ 375