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 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 45enum 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 53extern enum acpi_irq_model_id acpi_irq_model; 54 55enum 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 64enum 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 75typedef int (*acpi_table_handler) (struct acpi_table_header *table); 76 77typedef int (*acpi_table_entry_handler) (struct acpi_subtable_header *header, const unsigned long end); 78 79char * __acpi_map_table (unsigned long phys_addr, unsigned long size); 80void __acpi_unmap_table(char *map, unsigned long size); 81int early_acpi_boot_init(void); 82int acpi_boot_init (void); 83void acpi_boot_table_init (void); 84int acpi_mps_check (void); 85int acpi_numa_init (void); 86 87int acpi_table_init (void); 88int acpi_table_parse (char *id, acpi_table_handler handler); 89int __init acpi_table_parse_entries(char *id, unsigned long table_size, 90 int entry_id, acpi_table_entry_handler handler, unsigned int max_entries); 91int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries); 92int acpi_parse_mcfg (struct acpi_table_header *header); 93void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 94 95/* the following four functions are architecture-dependent */ 96void acpi_numa_slit_init (struct acpi_table_slit *slit); 97void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 98void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 99void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 100void acpi_numa_arch_fixup(void); 101 102#ifdef CONFIG_ACPI_HOTPLUG_CPU 103/* Arch dependent functions for cpu hotplug support */ 104int acpi_map_lsapic(acpi_handle handle, int *pcpu); 105int acpi_unmap_lsapic(int cpu); 106#endif /* CONFIG_ACPI_HOTPLUG_CPU */ 107 108int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 109int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 110void acpi_irq_stats_init(void); 111extern u32 acpi_irq_handled; 112extern u32 acpi_irq_not_handled; 113 114extern int sbf_port; 115extern unsigned long acpi_realmode_flags; 116 117int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 118int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 119int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 120 121#ifdef CONFIG_X86_IO_APIC 122extern 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 */ 131void acpi_unregister_gsi (u32 gsi); 132 133struct pci_dev; 134 135int acpi_pci_irq_enable (struct pci_dev *dev); 136void acpi_penalize_isa_irq(int irq, int active); 137 138void acpi_pci_irq_disable (struct pci_dev *dev); 139 140struct acpi_pci_driver { 141 struct acpi_pci_driver *next; 142 int (*add)(acpi_handle handle); 143 void (*remove)(acpi_handle handle); 144}; 145 146int acpi_pci_register_driver(struct acpi_pci_driver *driver); 147void acpi_pci_unregister_driver(struct acpi_pci_driver *driver); 148 149extern int ec_read(u8 addr, u8 *val); 150extern int ec_write(u8 addr, u8 val); 151extern int ec_transaction(u8 command, 152 const u8 *wdata, unsigned wdata_len, 153 u8 *rdata, unsigned rdata_len, 154 int force_poll); 155 156#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 157 158typedef void (*wmi_notify_handler) (u32 value, void *context); 159 160extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 161 u32 method_id, 162 const struct acpi_buffer *in, 163 struct acpi_buffer *out); 164extern acpi_status wmi_query_block(const char *guid, u8 instance, 165 struct acpi_buffer *out); 166extern acpi_status wmi_set_block(const char *guid, u8 instance, 167 const struct acpi_buffer *in); 168extern acpi_status wmi_install_notify_handler(const char *guid, 169 wmi_notify_handler handler, void *data); 170extern acpi_status wmi_remove_notify_handler(const char *guid); 171extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 172extern bool wmi_has_guid(const char *guid); 173 174#endif /* CONFIG_ACPI_WMI */ 175 176#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 177#define ACPI_VIDEO_DEVICE_POSTING 0x0002 178#define ACPI_VIDEO_ROM_AVAILABLE 0x0004 179#define ACPI_VIDEO_BACKLIGHT 0x0008 180#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 181#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 182#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 183#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 184#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 185#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 186#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 187#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 188 189#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) 190 191extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle); 192extern long acpi_is_video_device(struct acpi_device *device); 193extern int acpi_video_backlight_support(void); 194extern int acpi_video_display_switch_support(void); 195 196#else 197 198static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle) 199{ 200 return 0; 201} 202 203static inline long acpi_is_video_device(struct acpi_device *device) 204{ 205 return 0; 206} 207 208static inline int acpi_video_backlight_support(void) 209{ 210 return 0; 211} 212 213static inline int acpi_video_display_switch_support(void) 214{ 215 return 0; 216} 217 218#endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */ 219 220extern int acpi_blacklisted(void); 221extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); 222extern int acpi_osi_setup(char *str); 223 224#ifdef CONFIG_ACPI_NUMA 225int acpi_get_pxm(acpi_handle handle); 226int acpi_get_node(acpi_handle *handle); 227#else 228static inline int acpi_get_pxm(acpi_handle handle) 229{ 230 return 0; 231} 232static inline int acpi_get_node(acpi_handle *handle) 233{ 234 return 0; 235} 236#endif 237extern int acpi_paddr_to_node(u64 start_addr, u64 size); 238 239extern int pnpacpi_disabled; 240 241#define PXM_INVAL (-1) 242#define NID_INVAL (-1) 243 244int acpi_check_resource_conflict(const struct resource *res); 245 246int acpi_check_region(resource_size_t start, resource_size_t n, 247 const char *name); 248int acpi_check_mem_region(resource_size_t start, resource_size_t n, 249 const char *name); 250 251int acpi_resources_are_enforced(void); 252 253#ifdef CONFIG_PM_SLEEP 254void __init acpi_no_s4_hw_signature(void); 255void __init acpi_old_suspend_ordering(void); 256void __init acpi_nvs_nosave(void); 257#endif /* CONFIG_PM_SLEEP */ 258 259struct acpi_osc_context { 260 char *uuid_str; /* uuid string */ 261 int rev; 262 struct acpi_buffer cap; /* arg2/arg3 */ 263 struct acpi_buffer ret; /* free by caller if success */ 264}; 265 266#define OSC_QUERY_TYPE 0 267#define OSC_SUPPORT_TYPE 1 268#define OSC_CONTROL_TYPE 2 269 270/* _OSC DW0 Definition */ 271#define OSC_QUERY_ENABLE 1 272#define OSC_REQUEST_ERROR 2 273#define OSC_INVALID_UUID_ERROR 4 274#define OSC_INVALID_REVISION_ERROR 8 275#define OSC_CAPABILITIES_MASK_ERROR 16 276 277acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 278 279/* platform-wide _OSC bits */ 280#define OSC_SB_PAD_SUPPORT 1 281#define OSC_SB_PPC_OST_SUPPORT 2 282#define OSC_SB_PR3_SUPPORT 4 283#define OSC_SB_CPUHP_OST_SUPPORT 8 284#define OSC_SB_APEI_SUPPORT 16 285 286/* PCI defined _OSC bits */ 287/* _OSC DW1 Definition (OS Support Fields) */ 288#define OSC_EXT_PCI_CONFIG_SUPPORT 1 289#define OSC_ACTIVE_STATE_PWR_SUPPORT 2 290#define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4 291#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8 292#define OSC_MSI_SUPPORT 16 293#define OSC_PCI_SUPPORT_MASKS 0x1f 294 295/* _OSC DW1 Definition (OS Control Fields) */ 296#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1 297#define OSC_SHPC_NATIVE_HP_CONTROL 2 298#define OSC_PCI_EXPRESS_PME_CONTROL 4 299#define OSC_PCI_EXPRESS_AER_CONTROL 8 300#define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16 301 302#define OSC_PCI_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \ 303 OSC_SHPC_NATIVE_HP_CONTROL | \ 304 OSC_PCI_EXPRESS_PME_CONTROL | \ 305 OSC_PCI_EXPRESS_AER_CONTROL | \ 306 OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL) 307extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, 308 u32 *mask, u32 req); 309extern void acpi_early_init(void); 310 311#else /* !CONFIG_ACPI */ 312 313#define acpi_disabled 1 314 315static inline void acpi_early_init(void) { } 316 317static inline int early_acpi_boot_init(void) 318{ 319 return 0; 320} 321static inline int acpi_boot_init(void) 322{ 323 return 0; 324} 325 326static inline void acpi_boot_table_init(void) 327{ 328 return; 329} 330 331static inline int acpi_mps_check(void) 332{ 333 return 0; 334} 335 336static inline int acpi_check_resource_conflict(struct resource *res) 337{ 338 return 0; 339} 340 341static inline int acpi_check_region(resource_size_t start, resource_size_t n, 342 const char *name) 343{ 344 return 0; 345} 346 347static inline int acpi_check_mem_region(resource_size_t start, 348 resource_size_t n, const char *name) 349{ 350 return 0; 351} 352 353struct acpi_table_header; 354static inline int acpi_table_parse(char *id, 355 int (*handler)(struct acpi_table_header *)) 356{ 357 return -1; 358} 359#endif /* !CONFIG_ACPI */ 360#endif /*_LINUX_ACPI_H*/ 361