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_mps_check (void); 86 int acpi_numa_init (void); 87 88 int acpi_table_init (void); 89 int acpi_table_parse (char *id, acpi_table_handler handler); 90 int __init acpi_table_parse_entries(char *id, unsigned long table_size, 91 int entry_id, acpi_table_entry_handler handler, unsigned int max_entries); 92 int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries); 93 int acpi_parse_mcfg (struct acpi_table_header *header); 94 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 95 96 /* the following four functions are architecture-dependent */ 97 void acpi_numa_slit_init (struct acpi_table_slit *slit); 98 void acpi_numa_processor_affinity_init (struct acpi_srat_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; 112 113 extern struct acpi_mcfg_allocation *pci_mmcfg_config; 114 extern int pci_mmcfg_config_num; 115 116 extern int sbf_port; 117 extern unsigned long acpi_realmode_flags; 118 119 int acpi_register_gsi (u32 gsi, int triggering, int polarity); 120 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 121 122 #ifdef CONFIG_X86_IO_APIC 123 extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity); 124 #else 125 #define acpi_get_override_irq(bus, trigger, polarity) (-1) 126 #endif 127 /* 128 * This function undoes the effect of one call to acpi_register_gsi(). 129 * If this matches the last registration, any IRQ resources for gsi 130 * are freed. 131 */ 132 void acpi_unregister_gsi (u32 gsi); 133 134 struct pci_dev; 135 136 int acpi_pci_irq_enable (struct pci_dev *dev); 137 void acpi_penalize_isa_irq(int irq, int active); 138 139 void acpi_pci_irq_disable (struct pci_dev *dev); 140 141 struct acpi_pci_driver { 142 struct acpi_pci_driver *next; 143 int (*add)(acpi_handle handle); 144 void (*remove)(acpi_handle handle); 145 }; 146 147 int acpi_pci_register_driver(struct acpi_pci_driver *driver); 148 void acpi_pci_unregister_driver(struct acpi_pci_driver *driver); 149 150 extern int ec_read(u8 addr, u8 *val); 151 extern int ec_write(u8 addr, u8 val); 152 extern int ec_transaction(u8 command, 153 const u8 *wdata, unsigned wdata_len, 154 u8 *rdata, unsigned rdata_len, 155 int force_poll); 156 157 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 158 159 typedef void (*wmi_notify_handler) (u32 value, void *context); 160 161 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 162 u32 method_id, 163 const struct acpi_buffer *in, 164 struct acpi_buffer *out); 165 extern acpi_status wmi_query_block(const char *guid, u8 instance, 166 struct acpi_buffer *out); 167 extern acpi_status wmi_set_block(const char *guid, u8 instance, 168 const struct acpi_buffer *in); 169 extern acpi_status wmi_install_notify_handler(const char *guid, 170 wmi_notify_handler handler, void *data); 171 extern acpi_status wmi_remove_notify_handler(const char *guid); 172 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 173 extern bool wmi_has_guid(const char *guid); 174 175 #endif /* CONFIG_ACPI_WMI */ 176 177 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 178 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 179 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 180 #define ACPI_VIDEO_BACKLIGHT 0x0008 181 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 182 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 183 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 184 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 185 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 186 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 187 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 188 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 189 190 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) 191 192 extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle); 193 extern long acpi_is_video_device(struct acpi_device *device); 194 extern int acpi_video_backlight_support(void); 195 extern int acpi_video_display_switch_support(void); 196 197 #else 198 199 static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle) 200 { 201 return 0; 202 } 203 204 static inline long acpi_is_video_device(struct acpi_device *device) 205 { 206 return 0; 207 } 208 209 static inline int acpi_video_backlight_support(void) 210 { 211 return 0; 212 } 213 214 static inline int acpi_video_display_switch_support(void) 215 { 216 return 0; 217 } 218 219 #endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */ 220 221 extern int acpi_blacklisted(void); 222 #ifdef CONFIG_DMI 223 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); 224 extern int acpi_osi_setup(char *str); 225 #endif 226 227 #ifdef CONFIG_ACPI_NUMA 228 int acpi_get_pxm(acpi_handle handle); 229 int acpi_get_node(acpi_handle *handle); 230 #else 231 static inline int acpi_get_pxm(acpi_handle handle) 232 { 233 return 0; 234 } 235 static inline int acpi_get_node(acpi_handle *handle) 236 { 237 return 0; 238 } 239 #endif 240 extern int acpi_paddr_to_node(u64 start_addr, u64 size); 241 242 extern int pnpacpi_disabled; 243 244 #define PXM_INVAL (-1) 245 #define NID_INVAL (-1) 246 247 int acpi_check_resource_conflict(struct resource *res); 248 249 int acpi_check_region(resource_size_t start, resource_size_t n, 250 const char *name); 251 int acpi_check_mem_region(resource_size_t start, resource_size_t n, 252 const char *name); 253 254 #ifdef CONFIG_PM_SLEEP 255 void __init acpi_no_s4_hw_signature(void); 256 void __init acpi_old_suspend_ordering(void); 257 void __init acpi_s4_no_nvs(void); 258 #endif /* CONFIG_PM_SLEEP */ 259 #else /* CONFIG_ACPI */ 260 261 static inline int early_acpi_boot_init(void) 262 { 263 return 0; 264 } 265 static inline int acpi_boot_init(void) 266 { 267 return 0; 268 } 269 270 static inline int acpi_boot_table_init(void) 271 { 272 return 0; 273 } 274 275 static inline int acpi_mps_check(void) 276 { 277 return 0; 278 } 279 280 static inline int acpi_check_resource_conflict(struct resource *res) 281 { 282 return 0; 283 } 284 285 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 286 const char *name) 287 { 288 return 0; 289 } 290 291 static inline int acpi_check_mem_region(resource_size_t start, 292 resource_size_t n, const char *name) 293 { 294 return 0; 295 } 296 297 #endif /* !CONFIG_ACPI */ 298 #endif /*_LINUX_ACPI_H*/ 299