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 void __acpi_unmap_table(char *map, unsigned long size); 83 int early_acpi_boot_init(void); 84 int acpi_boot_init (void); 85 int acpi_boot_table_init (void); 86 int acpi_mps_check (void); 87 int acpi_numa_init (void); 88 89 int acpi_table_init (void); 90 int acpi_table_parse (char *id, acpi_table_handler handler); 91 int __init acpi_table_parse_entries(char *id, unsigned long table_size, 92 int entry_id, acpi_table_entry_handler handler, unsigned int max_entries); 93 int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries); 94 int acpi_parse_mcfg (struct acpi_table_header *header); 95 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 96 97 /* the following four functions are architecture-dependent */ 98 void acpi_numa_slit_init (struct acpi_table_slit *slit); 99 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 100 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 101 void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 102 void acpi_numa_arch_fixup(void); 103 104 #ifdef CONFIG_ACPI_HOTPLUG_CPU 105 /* Arch dependent functions for cpu hotplug support */ 106 int acpi_map_lsapic(acpi_handle handle, int *pcpu); 107 int acpi_unmap_lsapic(int cpu); 108 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 109 110 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 111 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 112 void acpi_irq_stats_init(void); 113 extern u32 acpi_irq_handled; 114 extern u32 acpi_irq_not_handled; 115 116 extern struct acpi_mcfg_allocation *pci_mmcfg_config; 117 extern int pci_mmcfg_config_num; 118 119 extern int sbf_port; 120 extern unsigned long acpi_realmode_flags; 121 122 int acpi_register_gsi (u32 gsi, int triggering, int polarity); 123 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 124 125 #ifdef CONFIG_X86_IO_APIC 126 extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity); 127 #else 128 #define acpi_get_override_irq(bus, trigger, polarity) (-1) 129 #endif 130 /* 131 * This function undoes the effect of one call to acpi_register_gsi(). 132 * If this matches the last registration, any IRQ resources for gsi 133 * are freed. 134 */ 135 void acpi_unregister_gsi (u32 gsi); 136 137 struct pci_dev; 138 139 int acpi_pci_irq_enable (struct pci_dev *dev); 140 void acpi_penalize_isa_irq(int irq, int active); 141 142 void acpi_pci_irq_disable (struct pci_dev *dev); 143 144 struct acpi_pci_driver { 145 struct acpi_pci_driver *next; 146 int (*add)(acpi_handle handle); 147 void (*remove)(acpi_handle handle); 148 }; 149 150 int acpi_pci_register_driver(struct acpi_pci_driver *driver); 151 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver); 152 153 extern int ec_read(u8 addr, u8 *val); 154 extern int ec_write(u8 addr, u8 val); 155 extern int ec_transaction(u8 command, 156 const u8 *wdata, unsigned wdata_len, 157 u8 *rdata, unsigned rdata_len, 158 int force_poll); 159 160 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 161 162 typedef void (*wmi_notify_handler) (u32 value, void *context); 163 164 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 165 u32 method_id, 166 const struct acpi_buffer *in, 167 struct acpi_buffer *out); 168 extern acpi_status wmi_query_block(const char *guid, u8 instance, 169 struct acpi_buffer *out); 170 extern acpi_status wmi_set_block(const char *guid, u8 instance, 171 const struct acpi_buffer *in); 172 extern acpi_status wmi_install_notify_handler(const char *guid, 173 wmi_notify_handler handler, void *data); 174 extern acpi_status wmi_remove_notify_handler(const char *guid); 175 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 176 extern bool wmi_has_guid(const char *guid); 177 178 #endif /* CONFIG_ACPI_WMI */ 179 180 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 181 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 182 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 183 #define ACPI_VIDEO_BACKLIGHT 0x0008 184 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 185 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 186 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 187 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 188 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 189 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 190 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 191 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 192 193 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) 194 195 extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle); 196 extern long acpi_is_video_device(struct acpi_device *device); 197 extern int acpi_video_backlight_support(void); 198 extern int acpi_video_display_switch_support(void); 199 200 #else 201 202 static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle) 203 { 204 return 0; 205 } 206 207 static inline long acpi_is_video_device(struct acpi_device *device) 208 { 209 return 0; 210 } 211 212 static inline int acpi_video_backlight_support(void) 213 { 214 return 0; 215 } 216 217 static inline int acpi_video_display_switch_support(void) 218 { 219 return 0; 220 } 221 222 #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */ 223 224 extern int acpi_blacklisted(void); 225 #ifdef CONFIG_DMI 226 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); 227 extern int acpi_osi_setup(char *str); 228 #endif 229 230 #ifdef CONFIG_ACPI_NUMA 231 int acpi_get_pxm(acpi_handle handle); 232 int acpi_get_node(acpi_handle *handle); 233 #else 234 static inline int acpi_get_pxm(acpi_handle handle) 235 { 236 return 0; 237 } 238 static inline int acpi_get_node(acpi_handle *handle) 239 { 240 return 0; 241 } 242 #endif 243 extern int acpi_paddr_to_node(u64 start_addr, u64 size); 244 245 extern int pnpacpi_disabled; 246 247 #define PXM_INVAL (-1) 248 #define NID_INVAL (-1) 249 250 int acpi_check_resource_conflict(struct resource *res); 251 252 int acpi_check_region(resource_size_t start, resource_size_t n, 253 const char *name); 254 int acpi_check_mem_region(resource_size_t start, resource_size_t n, 255 const char *name); 256 257 #ifdef CONFIG_PM_SLEEP 258 void __init acpi_no_s4_hw_signature(void); 259 void __init acpi_old_suspend_ordering(void); 260 void __init acpi_s4_no_nvs(void); 261 #endif /* CONFIG_PM_SLEEP */ 262 263 #define OSC_QUERY_TYPE 0 264 #define OSC_SUPPORT_TYPE 1 265 #define OSC_CONTROL_TYPE 2 266 #define OSC_SUPPORT_MASKS 0x1f 267 268 /* _OSC DW0 Definition */ 269 #define OSC_QUERY_ENABLE 1 270 #define OSC_REQUEST_ERROR 2 271 #define OSC_INVALID_UUID_ERROR 4 272 #define OSC_INVALID_REVISION_ERROR 8 273 #define OSC_CAPABILITIES_MASK_ERROR 16 274 275 /* _OSC DW1 Definition (OS Support Fields) */ 276 #define OSC_EXT_PCI_CONFIG_SUPPORT 1 277 #define OSC_ACTIVE_STATE_PWR_SUPPORT 2 278 #define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4 279 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8 280 #define OSC_MSI_SUPPORT 16 281 282 /* _OSC DW1 Definition (OS Control Fields) */ 283 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1 284 #define OSC_SHPC_NATIVE_HP_CONTROL 2 285 #define OSC_PCI_EXPRESS_PME_CONTROL 4 286 #define OSC_PCI_EXPRESS_AER_CONTROL 8 287 #define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16 288 289 #define OSC_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \ 290 OSC_SHPC_NATIVE_HP_CONTROL | \ 291 OSC_PCI_EXPRESS_PME_CONTROL | \ 292 OSC_PCI_EXPRESS_AER_CONTROL | \ 293 OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL) 294 295 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 flags); 296 #else /* CONFIG_ACPI */ 297 298 static inline int early_acpi_boot_init(void) 299 { 300 return 0; 301 } 302 static inline int acpi_boot_init(void) 303 { 304 return 0; 305 } 306 307 static inline int acpi_boot_table_init(void) 308 { 309 return 0; 310 } 311 312 static inline int acpi_mps_check(void) 313 { 314 return 0; 315 } 316 317 static inline int acpi_check_resource_conflict(struct resource *res) 318 { 319 return 0; 320 } 321 322 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 323 const char *name) 324 { 325 return 0; 326 } 327 328 static inline int acpi_check_mem_region(resource_size_t start, 329 resource_size_t n, const char *name) 330 { 331 return 0; 332 } 333 334 #endif /* !CONFIG_ACPI */ 335 #endif /*_LINUX_ACPI_H*/ 336