1 /*- 2 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org> 3 * Copyright (c) 2000 Michael Smith <msmith@freebsd.org> 4 * Copyright (c) 2000 BSDi 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _ACPIVAR_H_ 30 #define _ACPIVAR_H_ 31 32 #ifdef _KERNEL 33 34 #include "acpi_if.h" 35 #include "bus_if.h" 36 #include <sys/_eventhandler.h> 37 #ifdef INTRNG 38 #include <sys/intr.h> 39 #endif 40 #include <sys/ktr.h> 41 #include <sys/lock.h> 42 #include <sys/mutex.h> 43 #include <sys/selinfo.h> 44 #include <sys/sx.h> 45 #include <sys/sysctl.h> 46 47 #include <machine/bus.h> 48 #include <machine/resource.h> 49 50 struct apm_clone_data; 51 struct acpi_softc { 52 device_t acpi_dev; 53 struct cdev *acpi_dev_t; 54 55 int acpi_enabled; 56 int acpi_sstate; 57 int acpi_sleep_disabled; 58 59 struct sysctl_ctx_list acpi_sysctl_ctx; 60 struct sysctl_oid *acpi_sysctl_tree; 61 int acpi_power_button_sx; 62 int acpi_sleep_button_sx; 63 int acpi_lid_switch_sx; 64 65 int acpi_standby_sx; 66 int acpi_suspend_sx; 67 68 int acpi_sleep_delay; 69 int acpi_s4bios; 70 int acpi_do_disable; 71 int acpi_verbose; 72 int acpi_handle_reboot; 73 74 vm_offset_t acpi_wakeaddr; 75 vm_paddr_t acpi_wakephys; 76 77 int acpi_next_sstate; /* Next suspend Sx state. */ 78 struct apm_clone_data *acpi_clone; /* Pseudo-dev for devd(8). */ 79 STAILQ_HEAD(,apm_clone_data) apm_cdevs; /* All apm/apmctl/acpi cdevs. */ 80 struct callout susp_force_to; /* Force suspend if no acks. */ 81 82 /* System Resources */ 83 struct resource_list sysres_rl; 84 }; 85 86 struct acpi_device { 87 /* ACPI ivars */ 88 ACPI_HANDLE ad_handle; 89 void *ad_private; 90 int ad_flags; 91 int ad_cls_class; 92 93 ACPI_BUFFER dsd; /* Device Specific Data */ 94 const ACPI_OBJECT *dsd_pkg; 95 96 /* Resources */ 97 struct resource_list ad_rl; 98 }; 99 100 #ifdef INTRNG 101 struct intr_map_data_acpi { 102 struct intr_map_data hdr; 103 u_int irq; 104 u_int pol; 105 u_int trig; 106 }; 107 108 #endif 109 110 /* Track device (/dev/{apm,apmctl} and /dev/acpi) notification status. */ 111 struct apm_clone_data { 112 STAILQ_ENTRY(apm_clone_data) entries; 113 struct cdev *cdev; 114 int flags; 115 #define ACPI_EVF_NONE 0 /* /dev/apm semantics */ 116 #define ACPI_EVF_DEVD 1 /* /dev/acpi is handled via devd(8) */ 117 #define ACPI_EVF_WRITE 2 /* Device instance is opened writable. */ 118 int notify_status; 119 #define APM_EV_NONE 0 /* Device not yet aware of pending sleep. */ 120 #define APM_EV_NOTIFIED 1 /* Device saw next sleep state. */ 121 #define APM_EV_ACKED 2 /* Device agreed sleep can occur. */ 122 struct acpi_softc *acpi_sc; 123 struct selinfo sel_read; 124 }; 125 126 #define ACPI_PRW_MAX_POWERRES 8 127 128 struct acpi_prw_data { 129 ACPI_HANDLE gpe_handle; 130 int gpe_bit; 131 int lowest_wake; 132 ACPI_OBJECT power_res[ACPI_PRW_MAX_POWERRES]; 133 int power_res_count; 134 }; 135 136 /* Flags for each device defined in the AML namespace. */ 137 #define ACPI_FLAG_WAKE_ENABLED 0x1 138 139 /* Macros for extracting parts of a PCI address from an _ADR value. */ 140 #define ACPI_ADR_PCI_SLOT(adr) (((adr) & 0xffff0000) >> 16) 141 #define ACPI_ADR_PCI_FUNC(adr) ((adr) & 0xffff) 142 143 /* 144 * Entry points to ACPI from above are global functions defined in this 145 * file, sysctls, and I/O on the control device. Entry points from below 146 * are interrupts (the SCI), notifies, task queue threads, and the thermal 147 * zone polling thread. 148 * 149 * ACPI tables and global shared data are protected by a global lock 150 * (acpi_mutex). 151 * 152 * Each ACPI device can have its own driver-specific mutex for protecting 153 * shared access to local data. The ACPI_LOCK macros handle mutexes. 154 * 155 * Drivers that need to serialize access to functions (e.g., to route 156 * interrupts, get/set control paths, etc.) should use the sx lock macros 157 * (ACPI_SERIAL). 158 * 159 * ACPI-CA handles its own locking and should not be called with locks held. 160 * 161 * The most complicated path is: 162 * GPE -> EC runs _Qxx -> _Qxx reads EC space -> GPE 163 */ 164 extern struct mtx acpi_mutex; 165 #define ACPI_LOCK(sys) mtx_lock(&sys##_mutex) 166 #define ACPI_UNLOCK(sys) mtx_unlock(&sys##_mutex) 167 #define ACPI_LOCK_ASSERT(sys) mtx_assert(&sys##_mutex, MA_OWNED); 168 #define ACPI_LOCK_DECL(sys, name) \ 169 static struct mtx sys##_mutex; \ 170 MTX_SYSINIT(sys##_mutex, &sys##_mutex, name, MTX_DEF) 171 #define ACPI_SERIAL_BEGIN(sys) sx_xlock(&sys##_sxlock) 172 #define ACPI_SERIAL_END(sys) sx_xunlock(&sys##_sxlock) 173 #define ACPI_SERIAL_ASSERT(sys) sx_assert(&sys##_sxlock, SX_XLOCKED); 174 #define ACPI_SERIAL_DECL(sys, name) \ 175 static struct sx sys##_sxlock; \ 176 SX_SYSINIT(sys##_sxlock, &sys##_sxlock, name) 177 178 /* 179 * ACPI CA does not define layers for non-ACPI CA drivers. 180 * We define some here within the range provided. 181 */ 182 #define ACPI_AC_ADAPTER 0x00010000 183 #define ACPI_BATTERY 0x00020000 184 #define ACPI_BUS 0x00040000 185 #define ACPI_BUTTON 0x00080000 186 #define ACPI_EC 0x00100000 187 #define ACPI_FAN 0x00200000 188 #define ACPI_POWERRES 0x00400000 189 #define ACPI_PROCESSOR 0x00800000 190 #define ACPI_THERMAL 0x01000000 191 #define ACPI_TIMER 0x02000000 192 #define ACPI_OEM 0x04000000 193 194 /* 195 * Constants for different interrupt models used with acpi_SetIntrModel(). 196 */ 197 #define ACPI_INTR_PIC 0 198 #define ACPI_INTR_APIC 1 199 #define ACPI_INTR_SAPIC 2 200 201 /* 202 * Various features and capabilities for the acpi_get_features() method. 203 * In particular, these are used for the ACPI 3.0 _PDC and _OSC methods. 204 * See the Intel document titled "Intel Processor Vendor-Specific ACPI", 205 * number 302223-007. 206 */ 207 #define ACPI_CAP_PERF_MSRS (1 << 0) /* Intel SpeedStep PERF_CTL MSRs */ 208 #define ACPI_CAP_C1_IO_HALT (1 << 1) /* Intel C1 "IO then halt" sequence */ 209 #define ACPI_CAP_THR_MSRS (1 << 2) /* Intel OnDemand throttling MSRs */ 210 #define ACPI_CAP_SMP_SAME (1 << 3) /* MP C1, Px, and Tx (all the same) */ 211 #define ACPI_CAP_SMP_SAME_C3 (1 << 4) /* MP C2 and C3 (all the same) */ 212 #define ACPI_CAP_SMP_DIFF_PX (1 << 5) /* MP Px (different, using _PSD) */ 213 #define ACPI_CAP_SMP_DIFF_CX (1 << 6) /* MP Cx (different, using _CSD) */ 214 #define ACPI_CAP_SMP_DIFF_TX (1 << 7) /* MP Tx (different, using _TSD) */ 215 #define ACPI_CAP_SMP_C1_NATIVE (1 << 8) /* MP C1 support other than halt */ 216 #define ACPI_CAP_SMP_C3_NATIVE (1 << 9) /* MP C2 and C3 support */ 217 #define ACPI_CAP_PX_HW_COORD (1 << 11) /* Intel P-state HW coordination */ 218 #define ACPI_CAP_INTR_CPPC (1 << 12) /* Native Interrupt Handling for 219 Collaborative Processor Performance Control notifications */ 220 #define ACPI_CAP_HW_DUTY_C (1 << 13) /* Hardware Duty Cycling */ 221 222 /* 223 * Quirk flags. 224 * 225 * ACPI_Q_BROKEN: Disables all ACPI support. 226 * ACPI_Q_TIMER: Disables support for the ACPI timer. 227 * ACPI_Q_MADT_IRQ0: Specifies that ISA IRQ 0 is wired up to pin 0 of the 228 * first APIC and that the MADT should force that by ignoring the PC-AT 229 * compatible flag and ignoring overrides that redirect IRQ 0 to pin 2. 230 */ 231 extern int acpi_quirks; 232 #define ACPI_Q_OK 0 233 #define ACPI_Q_BROKEN (1 << 0) 234 #define ACPI_Q_TIMER (1 << 1) 235 #define ACPI_Q_MADT_IRQ0 (1 << 2) 236 237 /* 238 * Plug and play information for device matching. Matching table format 239 * is compatible with ids parameter of ACPI_ID_PROBE bus method. 240 * 241 * XXX: While ACPI_ID_PROBE matches against _HID and all _CIDs, current 242 * acpi_pnpinfo() exports only _HID and first _CID. That means second 243 * and further _CIDs should be added to both acpi_pnpinfo() and 244 * ACPICOMPAT_PNP_INFO if device matching against them is required. 245 */ 246 #define ACPICOMPAT_PNP_INFO(t, busname) \ 247 MODULE_PNP_INFO("Z:_HID", busname, t##hid, t, nitems(t)-1); \ 248 MODULE_PNP_INFO("Z:_CID", busname, t##cid, t, nitems(t)-1); 249 #define ACPI_PNP_INFO(t) ACPICOMPAT_PNP_INFO(t, acpi) 250 251 /* 252 * Note that the low ivar values are reserved to provide 253 * interface compatibility with ISA drivers which can also 254 * attach to ACPI. 255 */ 256 #define ACPI_IVAR_HANDLE 0x100 257 #define ACPI_IVAR_UNUSED 0x101 /* Unused/reserved. */ 258 #define ACPI_IVAR_PRIVATE 0x102 259 #define ACPI_IVAR_FLAGS 0x103 260 261 /* 262 * Accessor functions for our ivars. Default value for BUS_READ_IVAR is 263 * (type) 0. The <sys/bus.h> accessor functions don't check return values. 264 */ 265 #define __ACPI_BUS_ACCESSOR(varp, var, ivarp, ivar, type) \ 266 \ 267 static __inline type varp ## _get_ ## var(device_t dev) \ 268 { \ 269 uintptr_t v = 0; \ 270 BUS_READ_IVAR(device_get_parent(dev), dev, \ 271 ivarp ## _IVAR_ ## ivar, &v); \ 272 return ((type) v); \ 273 } \ 274 \ 275 static __inline void varp ## _set_ ## var(device_t dev, type t) \ 276 { \ 277 uintptr_t v = (uintptr_t) t; \ 278 BUS_WRITE_IVAR(device_get_parent(dev), dev, \ 279 ivarp ## _IVAR_ ## ivar, v); \ 280 } 281 282 __ACPI_BUS_ACCESSOR(acpi, handle, ACPI, HANDLE, ACPI_HANDLE) 283 __ACPI_BUS_ACCESSOR(acpi, private, ACPI, PRIVATE, void *) 284 __ACPI_BUS_ACCESSOR(acpi, flags, ACPI, FLAGS, int) 285 286 void acpi_fake_objhandler(ACPI_HANDLE h, void *data); 287 static __inline device_t 288 acpi_get_device(ACPI_HANDLE handle) 289 { 290 void *dev = NULL; 291 AcpiGetData(handle, acpi_fake_objhandler, &dev); 292 return ((device_t)dev); 293 } 294 295 static __inline ACPI_OBJECT_TYPE 296 acpi_get_type(device_t dev) 297 { 298 ACPI_HANDLE h; 299 ACPI_OBJECT_TYPE t; 300 301 if ((h = acpi_get_handle(dev)) == NULL) 302 return (ACPI_TYPE_NOT_FOUND); 303 if (ACPI_FAILURE(AcpiGetType(h, &t))) 304 return (ACPI_TYPE_NOT_FOUND); 305 return (t); 306 } 307 308 /* Find the difference between two PM tick counts. */ 309 static __inline uint32_t 310 acpi_TimerDelta(uint32_t end, uint32_t start) 311 { 312 313 if (end < start && (AcpiGbl_FADT.Flags & ACPI_FADT_32BIT_TIMER) == 0) 314 end |= 0x01000000; 315 return (end - start); 316 } 317 318 #ifdef ACPI_DEBUGGER 319 void acpi_EnterDebugger(void); 320 #endif 321 322 #ifdef ACPI_DEBUG 323 #include <sys/cons.h> 324 #define STEP(x) do {printf x, printf("\n"); cngetc();} while (0) 325 #else 326 #define STEP(x) 327 #endif 328 329 #define ACPI_VPRINT(dev, acpi_sc, x...) do { \ 330 if (acpi_get_verbose(acpi_sc)) \ 331 device_printf(dev, x); \ 332 } while (0) 333 334 /* Values for the first status word returned by _OSC. */ 335 #define ACPI_OSC_FAILURE (1 << 1) 336 #define ACPI_OSC_BAD_UUID (1 << 2) 337 #define ACPI_OSC_BAD_REVISION (1 << 3) 338 #define ACPI_OSC_CAPS_MASKED (1 << 4) 339 340 #define ACPI_DEVINFO_PRESENT(x, flags) \ 341 (((x) & (flags)) == (flags)) 342 #define ACPI_DEVICE_PRESENT(x) \ 343 ACPI_DEVINFO_PRESENT(x, ACPI_STA_DEVICE_PRESENT | \ 344 ACPI_STA_DEVICE_FUNCTIONING) 345 #define ACPI_BATTERY_PRESENT(x) \ 346 ACPI_DEVINFO_PRESENT(x, ACPI_STA_DEVICE_PRESENT | \ 347 ACPI_STA_DEVICE_FUNCTIONING | ACPI_STA_BATTERY_PRESENT) 348 349 /* Callback function type for walking subtables within a table. */ 350 typedef void acpi_subtable_handler(ACPI_SUBTABLE_HEADER *, void *); 351 352 BOOLEAN acpi_DeviceIsPresent(device_t dev); 353 BOOLEAN acpi_BatteryIsPresent(device_t dev); 354 ACPI_STATUS acpi_GetHandleInScope(ACPI_HANDLE parent, char *path, 355 ACPI_HANDLE *result); 356 ACPI_STATUS acpi_GetProperty(device_t dev, ACPI_STRING propname, 357 const ACPI_OBJECT **value); 358 ACPI_BUFFER *acpi_AllocBuffer(int size); 359 ACPI_STATUS acpi_ConvertBufferToInteger(ACPI_BUFFER *bufp, 360 UINT32 *number); 361 ACPI_STATUS acpi_GetInteger(ACPI_HANDLE handle, char *path, 362 UINT32 *number); 363 ACPI_STATUS acpi_SetInteger(ACPI_HANDLE handle, char *path, 364 UINT32 number); 365 ACPI_STATUS acpi_ForeachPackageObject(ACPI_OBJECT *obj, 366 void (*func)(ACPI_OBJECT *comp, void *arg), void *arg); 367 ACPI_STATUS acpi_FindIndexedResource(ACPI_BUFFER *buf, int index, 368 ACPI_RESOURCE **resp); 369 ACPI_STATUS acpi_AppendBufferResource(ACPI_BUFFER *buf, 370 ACPI_RESOURCE *res); 371 UINT64 acpi_DSMQuery(ACPI_HANDLE h, const uint8_t *uuid, 372 int revision); 373 ACPI_STATUS acpi_EvaluateDSM(ACPI_HANDLE handle, const uint8_t *uuid, 374 int revision, UINT64 function, ACPI_OBJECT *package, 375 ACPI_BUFFER *out_buf); 376 ACPI_STATUS acpi_EvaluateDSMTyped(ACPI_HANDLE handle, 377 const uint8_t *uuid, int revision, UINT64 function, 378 ACPI_OBJECT *package, ACPI_BUFFER *out_buf, 379 ACPI_OBJECT_TYPE type); 380 ACPI_STATUS acpi_EvaluateOSC(ACPI_HANDLE handle, uint8_t *uuid, 381 int revision, int count, uint32_t *caps_in, 382 uint32_t *caps_out, bool query); 383 ACPI_STATUS acpi_OverrideInterruptLevel(UINT32 InterruptNumber); 384 ACPI_STATUS acpi_SetIntrModel(int model); 385 int acpi_ReqSleepState(struct acpi_softc *sc, int state); 386 int acpi_AckSleepState(struct apm_clone_data *clone, int error); 387 ACPI_STATUS acpi_SetSleepState(struct acpi_softc *sc, int state); 388 int acpi_wake_set_enable(device_t dev, int enable); 389 int acpi_parse_prw(ACPI_HANDLE h, struct acpi_prw_data *prw); 390 ACPI_STATUS acpi_Startup(void); 391 void acpi_UserNotify(const char *subsystem, ACPI_HANDLE h, 392 uint8_t notify); 393 int acpi_bus_alloc_gas(device_t dev, int *type, int *rid, 394 ACPI_GENERIC_ADDRESS *gas, struct resource **res, 395 u_int flags); 396 void acpi_walk_subtables(void *first, void *end, 397 acpi_subtable_handler *handler, void *arg); 398 BOOLEAN acpi_has_hid(ACPI_HANDLE handle); 399 int acpi_MatchHid(ACPI_HANDLE h, const char *hid); 400 #define ACPI_MATCHHID_NOMATCH 0 401 #define ACPI_MATCHHID_HID 1 402 #define ACPI_MATCHHID_CID 2 403 404 static __inline bool 405 acpi_HasProperty(device_t dev, ACPI_STRING propname) 406 { 407 408 return ACPI_SUCCESS(acpi_GetProperty(dev, propname, NULL)); 409 } 410 411 struct acpi_parse_resource_set { 412 void (*set_init)(device_t dev, void *arg, void **context); 413 void (*set_done)(device_t dev, void *context); 414 void (*set_ioport)(device_t dev, void *context, uint64_t base, 415 uint64_t length); 416 void (*set_iorange)(device_t dev, void *context, uint64_t low, 417 uint64_t high, uint64_t length, uint64_t align); 418 void (*set_memory)(device_t dev, void *context, uint64_t base, 419 uint64_t length); 420 void (*set_memoryrange)(device_t dev, void *context, uint64_t low, 421 uint64_t high, uint64_t length, uint64_t align); 422 void (*set_irq)(device_t dev, void *context, uint8_t *irq, 423 int count, int trig, int pol); 424 void (*set_ext_irq)(device_t dev, void *context, uint32_t *irq, 425 int count, int trig, int pol); 426 void (*set_drq)(device_t dev, void *context, uint8_t *drq, 427 int count); 428 void (*set_start_dependent)(device_t dev, void *context, 429 int preference); 430 void (*set_end_dependent)(device_t dev, void *context); 431 }; 432 433 extern struct acpi_parse_resource_set acpi_res_parse_set; 434 435 int acpi_identify(void); 436 void acpi_config_intr(device_t dev, ACPI_RESOURCE *res); 437 #ifdef INTRNG 438 int acpi_map_intr(device_t dev, u_int irq, ACPI_HANDLE handle); 439 #endif 440 ACPI_STATUS acpi_lookup_irq_resource(device_t dev, int rid, 441 struct resource *res, ACPI_RESOURCE *acpi_res); 442 ACPI_STATUS acpi_parse_resources(device_t dev, ACPI_HANDLE handle, 443 struct acpi_parse_resource_set *set, void *arg); 444 445 /* ACPI event handling */ 446 UINT32 acpi_event_power_button_sleep(void *context); 447 UINT32 acpi_event_power_button_wake(void *context); 448 UINT32 acpi_event_sleep_button_sleep(void *context); 449 UINT32 acpi_event_sleep_button_wake(void *context); 450 451 #define ACPI_EVENT_PRI_FIRST 0 452 #define ACPI_EVENT_PRI_DEFAULT 10000 453 #define ACPI_EVENT_PRI_LAST 20000 454 455 typedef void (*acpi_event_handler_t)(void *, int); 456 457 EVENTHANDLER_DECLARE(acpi_sleep_event, acpi_event_handler_t); 458 EVENTHANDLER_DECLARE(acpi_wakeup_event, acpi_event_handler_t); 459 EVENTHANDLER_DECLARE(acpi_acad_event, acpi_event_handler_t); 460 EVENTHANDLER_DECLARE(acpi_video_event, acpi_event_handler_t); 461 462 /* Device power control. */ 463 ACPI_STATUS acpi_pwr_wake_enable(ACPI_HANDLE consumer, int enable); 464 ACPI_STATUS acpi_pwr_switch_consumer(ACPI_HANDLE consumer, int state); 465 acpi_pwr_for_sleep_t acpi_device_pwr_for_sleep; 466 int acpi_set_powerstate(device_t child, int state); 467 468 /* APM emulation */ 469 void acpi_apm_init(struct acpi_softc *); 470 471 /* Misc. */ 472 static __inline struct acpi_softc * 473 acpi_device_get_parent_softc(device_t child) 474 { 475 device_t parent; 476 477 parent = device_get_parent(child); 478 if (parent == NULL) 479 return (NULL); 480 return (device_get_softc(parent)); 481 } 482 483 static __inline int 484 acpi_get_verbose(struct acpi_softc *sc) 485 { 486 if (sc) 487 return (sc->acpi_verbose); 488 return (0); 489 } 490 491 char *acpi_name(ACPI_HANDLE handle); 492 int acpi_avoid(ACPI_HANDLE handle); 493 int acpi_disabled(char *subsys); 494 int acpi_get_acpi_device_path(device_t bus, device_t child, 495 const char *locator, struct sbuf *sb); 496 int acpi_machdep_init(device_t dev); 497 void acpi_install_wakeup_handler(struct acpi_softc *sc); 498 int acpi_sleep_machdep(struct acpi_softc *sc, int state); 499 int acpi_wakeup_machdep(struct acpi_softc *sc, int state, 500 int sleep_result, int intr_enabled); 501 int acpi_table_quirks(int *quirks); 502 int acpi_machdep_quirks(int *quirks); 503 int acpi_pnpinfo(ACPI_HANDLE handle, struct sbuf *sb); 504 505 uint32_t hpet_get_uid(device_t dev); 506 507 /* Battery Abstraction. */ 508 struct acpi_battinfo; 509 510 int acpi_battery_register(device_t dev); 511 int acpi_battery_remove(device_t dev); 512 int acpi_battery_get_units(void); 513 int acpi_battery_get_info_expire(void); 514 int acpi_battery_bst_valid(struct acpi_bst *bst); 515 int acpi_battery_bix_valid(struct acpi_bix *bix); 516 int acpi_battery_get_battinfo(device_t dev, 517 struct acpi_battinfo *info); 518 519 /* Embedded controller. */ 520 void acpi_ec_ecdt_probe(device_t); 521 522 /* AC adapter interface. */ 523 int acpi_acad_get_acline(int *); 524 525 /* Package manipulation convenience functions. */ 526 #define ACPI_PKG_VALID(pkg, size) \ 527 ((pkg) != NULL && (pkg)->Type == ACPI_TYPE_PACKAGE && \ 528 (pkg)->Package.Count >= (size)) 529 #define ACPI_PKG_VALID_EQ(pkg, size) \ 530 ((pkg) != NULL && (pkg)->Type == ACPI_TYPE_PACKAGE && \ 531 (pkg)->Package.Count == (size)) 532 int acpi_PkgInt(ACPI_OBJECT *res, int idx, UINT64 *dst); 533 int acpi_PkgInt32(ACPI_OBJECT *res, int idx, uint32_t *dst); 534 int acpi_PkgInt16(ACPI_OBJECT *res, int idx, uint16_t *dst); 535 int acpi_PkgStr(ACPI_OBJECT *res, int idx, void *dst, size_t size); 536 int acpi_PkgGas(device_t dev, ACPI_OBJECT *res, int idx, int *type, 537 int *rid, struct resource **dst, u_int flags); 538 int acpi_PkgFFH_IntelCpu(ACPI_OBJECT *res, int idx, int *vendor, 539 int *class, uint64_t *address, int *accsize); 540 ACPI_HANDLE acpi_GetReference(ACPI_HANDLE scope, ACPI_OBJECT *obj); 541 542 /* 543 * Base level for BUS_ADD_CHILD. Special devices are added at orders less 544 * than this, and normal devices at or above this level. This keeps the 545 * probe order sorted so that things like sysresource are available before 546 * their children need them. 547 */ 548 #define ACPI_DEV_BASE_ORDER 100 549 550 /* Default maximum number of tasks to enqueue. */ 551 #ifndef ACPI_MAX_TASKS 552 #define ACPI_MAX_TASKS MAX(32, MAXCPU * 4) 553 #endif 554 555 /* Default number of task queue threads to start. */ 556 #ifndef ACPI_MAX_THREADS 557 #define ACPI_MAX_THREADS 3 558 #endif 559 560 /* Use the device logging level for ktr(4). */ 561 #define KTR_ACPI KTR_DEV 562 563 SYSCTL_DECL(_debug_acpi); 564 565 /* 566 * Parse and use proximity information in SRAT and SLIT. 567 */ 568 int acpi_pxm_init(int ncpus, vm_paddr_t maxphys); 569 void acpi_pxm_parse_tables(void); 570 void acpi_pxm_set_mem_locality(void); 571 void acpi_pxm_set_cpu_locality(void); 572 int acpi_pxm_get_cpu_locality(int apic_id); 573 574 /* 575 * Map a PXM to a VM domain. 576 * 577 * Returns the VM domain ID if found, or -1 if not found / invalid. 578 */ 579 int acpi_map_pxm_to_vm_domainid(int pxm); 580 bus_get_cpus_t acpi_get_cpus; 581 bus_get_domain_t acpi_get_domain; 582 583 #ifdef __aarch64__ 584 /* 585 * ARM specific ACPI interfaces, relating to IORT table. 586 */ 587 int acpi_iort_map_pci_msi(u_int seg, u_int rid, u_int *xref, u_int *devid); 588 int acpi_iort_map_pci_smmuv3(u_int seg, u_int rid, u_int *xref, u_int *devid); 589 int acpi_iort_its_lookup(u_int its_id, u_int *xref, int *pxm); 590 int acpi_iort_map_named_msi(const char *devname, u_int rid, u_int *xref, 591 u_int *devid); 592 int acpi_iort_map_named_smmuv3(const char *devname, u_int rid, u_int *xref, 593 u_int *devid); 594 #endif 595 #endif /* _KERNEL */ 596 #endif /* !_ACPIVAR_H_ */ 597