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 int ad_domain; 93 94 ACPI_BUFFER dsd; /* Device Specific Data */ 95 const ACPI_OBJECT *dsd_pkg; 96 97 /* Resources */ 98 struct resource_list ad_rl; 99 }; 100 101 #ifdef INTRNG 102 struct intr_map_data_acpi { 103 struct intr_map_data hdr; 104 u_int irq; 105 u_int pol; 106 u_int trig; 107 }; 108 109 #endif 110 111 /* Track device (/dev/{apm,apmctl} and /dev/acpi) notification status. */ 112 struct apm_clone_data { 113 STAILQ_ENTRY(apm_clone_data) entries; 114 struct cdev *cdev; 115 int flags; 116 #define ACPI_EVF_NONE 0 /* /dev/apm semantics */ 117 #define ACPI_EVF_DEVD 1 /* /dev/acpi is handled via devd(8) */ 118 #define ACPI_EVF_WRITE 2 /* Device instance is opened writable. */ 119 int notify_status; 120 #define APM_EV_NONE 0 /* Device not yet aware of pending sleep. */ 121 #define APM_EV_NOTIFIED 1 /* Device saw next sleep state. */ 122 #define APM_EV_ACKED 2 /* Device agreed sleep can occur. */ 123 struct acpi_softc *acpi_sc; 124 struct selinfo sel_read; 125 }; 126 127 #define ACPI_PRW_MAX_POWERRES 8 128 129 struct acpi_prw_data { 130 ACPI_HANDLE gpe_handle; 131 int gpe_bit; 132 int lowest_wake; 133 ACPI_OBJECT power_res[ACPI_PRW_MAX_POWERRES]; 134 int power_res_count; 135 }; 136 137 /* Flags for each device defined in the AML namespace. */ 138 #define ACPI_FLAG_WAKE_ENABLED 0x1 139 140 /* Macros for extracting parts of a PCI address from an _ADR value. */ 141 #define ACPI_ADR_PCI_SLOT(adr) (((adr) & 0xffff0000) >> 16) 142 #define ACPI_ADR_PCI_FUNC(adr) ((adr) & 0xffff) 143 144 /* 145 * Entry points to ACPI from above are global functions defined in this 146 * file, sysctls, and I/O on the control device. Entry points from below 147 * are interrupts (the SCI), notifies, task queue threads, and the thermal 148 * zone polling thread. 149 * 150 * ACPI tables and global shared data are protected by a global lock 151 * (acpi_mutex). 152 * 153 * Each ACPI device can have its own driver-specific mutex for protecting 154 * shared access to local data. The ACPI_LOCK macros handle mutexes. 155 * 156 * Drivers that need to serialize access to functions (e.g., to route 157 * interrupts, get/set control paths, etc.) should use the sx lock macros 158 * (ACPI_SERIAL). 159 * 160 * ACPI-CA handles its own locking and should not be called with locks held. 161 * 162 * The most complicated path is: 163 * GPE -> EC runs _Qxx -> _Qxx reads EC space -> GPE 164 */ 165 extern struct mtx acpi_mutex; 166 #define ACPI_LOCK(sys) mtx_lock(&sys##_mutex) 167 #define ACPI_UNLOCK(sys) mtx_unlock(&sys##_mutex) 168 #define ACPI_LOCK_ASSERT(sys) mtx_assert(&sys##_mutex, MA_OWNED); 169 #define ACPI_LOCK_DECL(sys, name) \ 170 static struct mtx sys##_mutex; \ 171 MTX_SYSINIT(sys##_mutex, &sys##_mutex, name, MTX_DEF) 172 #define ACPI_SERIAL_BEGIN(sys) sx_xlock(&sys##_sxlock) 173 #define ACPI_SERIAL_END(sys) sx_xunlock(&sys##_sxlock) 174 #define ACPI_SERIAL_ASSERT(sys) sx_assert(&sys##_sxlock, SX_XLOCKED); 175 #define ACPI_SERIAL_DECL(sys, name) \ 176 static struct sx sys##_sxlock; \ 177 SX_SYSINIT(sys##_sxlock, &sys##_sxlock, name) 178 179 /* 180 * ACPI CA does not define layers for non-ACPI CA drivers. 181 * We define some here within the range provided. 182 */ 183 #define ACPI_AC_ADAPTER 0x00010000 184 #define ACPI_BATTERY 0x00020000 185 #define ACPI_BUS 0x00040000 186 #define ACPI_BUTTON 0x00080000 187 #define ACPI_EC 0x00100000 188 #define ACPI_FAN 0x00200000 189 #define ACPI_POWERRES 0x00400000 190 #define ACPI_PROCESSOR 0x00800000 191 #define ACPI_THERMAL 0x01000000 192 #define ACPI_TIMER 0x02000000 193 #define ACPI_OEM 0x04000000 194 195 /* 196 * Constants for different interrupt models used with acpi_SetIntrModel(). 197 */ 198 #define ACPI_INTR_PIC 0 199 #define ACPI_INTR_APIC 1 200 #define ACPI_INTR_SAPIC 2 201 202 /* 203 * Various features and capabilities for the acpi_get_features() method. 204 * In particular, these are used for the ACPI 3.0 _PDC and _OSC methods. 205 * See the Intel document titled "Intel Processor Vendor-Specific ACPI", 206 * number 302223-007. 207 */ 208 #define ACPI_CAP_PERF_MSRS (1 << 0) /* Intel SpeedStep PERF_CTL MSRs */ 209 #define ACPI_CAP_C1_IO_HALT (1 << 1) /* Intel C1 "IO then halt" sequence */ 210 #define ACPI_CAP_THR_MSRS (1 << 2) /* Intel OnDemand throttling MSRs */ 211 #define ACPI_CAP_SMP_SAME (1 << 3) /* MP C1, Px, and Tx (all the same) */ 212 #define ACPI_CAP_SMP_SAME_C3 (1 << 4) /* MP C2 and C3 (all the same) */ 213 #define ACPI_CAP_SMP_DIFF_PX (1 << 5) /* MP Px (different, using _PSD) */ 214 #define ACPI_CAP_SMP_DIFF_CX (1 << 6) /* MP Cx (different, using _CSD) */ 215 #define ACPI_CAP_SMP_DIFF_TX (1 << 7) /* MP Tx (different, using _TSD) */ 216 #define ACPI_CAP_SMP_C1_NATIVE (1 << 8) /* MP C1 support other than halt */ 217 #define ACPI_CAP_SMP_C3_NATIVE (1 << 9) /* MP C2 and C3 support */ 218 #define ACPI_CAP_PX_HW_COORD (1 << 11) /* Intel P-state HW coordination */ 219 #define ACPI_CAP_INTR_CPPC (1 << 12) /* Native Interrupt Handling for 220 Collaborative Processor Performance Control notifications */ 221 #define ACPI_CAP_HW_DUTY_C (1 << 13) /* Hardware Duty Cycling */ 222 223 /* 224 * Quirk flags. 225 * 226 * ACPI_Q_BROKEN: Disables all ACPI support. 227 * ACPI_Q_TIMER: Disables support for the ACPI timer. 228 * ACPI_Q_MADT_IRQ0: Specifies that ISA IRQ 0 is wired up to pin 0 of the 229 * first APIC and that the MADT should force that by ignoring the PC-AT 230 * compatible flag and ignoring overrides that redirect IRQ 0 to pin 2. 231 * ACPI_Q_AEI_NOPULL: Specifies that _AEI objects incorrectly designate pins 232 * as "PullUp" and they should be treated as "NoPull" instead. 233 * ACPI_Q_CLEAR_PME_ON_DETACH: Specifies that PCIM_PSTAT_(PME & ~PMEENABLE) 234 * should be written to the power status register as part of ACPI Eject. 235 */ 236 extern int acpi_quirks; 237 #define ACPI_Q_OK 0 238 #define ACPI_Q_BROKEN (1 << 0) 239 #define ACPI_Q_TIMER (1 << 1) 240 #define ACPI_Q_MADT_IRQ0 (1 << 2) 241 #define ACPI_Q_AEI_NOPULL (1 << 3) 242 #define ACPI_Q_CLEAR_PME_ON_DETACH (1 << 4) 243 244 #if defined(__amd64__) || defined(__i386__) 245 /* 246 * Certain Intel BIOSes have buggy AML that specify an IRQ that is 247 * edge-sensitive and active-lo. Normally, edge-sensitive IRQs should 248 * be active-hi. If this value is non-zero, edge-sensitive ISA IRQs 249 * are forced to be active-hi instead. At least some AMD systems use 250 * active-lo edge-sensitive ISA IRQs, so this setting is only enabled 251 * by default on systems with Intel CPUs. 252 */ 253 extern int acpi_override_isa_irq_polarity; 254 #endif 255 256 /* 257 * Plug and play information for device matching. Matching table format 258 * is compatible with ids parameter of ACPI_ID_PROBE bus method. 259 * 260 * XXX: While ACPI_ID_PROBE matches against _HID and all _CIDs, current 261 * acpi_pnpinfo() exports only _HID and first _CID. That means second 262 * and further _CIDs should be added to both acpi_pnpinfo() and 263 * ACPICOMPAT_PNP_INFO if device matching against them is required. 264 */ 265 #define ACPICOMPAT_PNP_INFO(t, busname) \ 266 MODULE_PNP_INFO("Z:_HID", busname, t##hid, t, nitems(t)-1); \ 267 MODULE_PNP_INFO("Z:_CID", busname, t##cid, t, nitems(t)-1); 268 #define ACPI_PNP_INFO(t) ACPICOMPAT_PNP_INFO(t, acpi) 269 270 /* 271 * Note that the low ivar values are reserved to provide 272 * interface compatibility with ISA drivers which can also 273 * attach to ACPI. 274 */ 275 #define ACPI_IVAR_HANDLE 0x100 276 #define ACPI_IVAR_UNUSED 0x101 /* Unused/reserved. */ 277 #define ACPI_IVAR_PRIVATE 0x102 278 #define ACPI_IVAR_FLAGS 0x103 279 #define ACPI_IVAR_DOMAIN 0x104 280 281 /* 282 * ad_domain NUMA domain special value. 283 */ 284 #define ACPI_DEV_DOMAIN_UNKNOWN (-1) 285 286 /* 287 * Accessor functions for our ivars. Default value for BUS_READ_IVAR is 288 * (type) 0. The <sys/bus.h> accessor functions don't check return values. 289 */ 290 #define __ACPI_BUS_ACCESSOR(varp, var, ivarp, ivar, type) \ 291 \ 292 static __inline type varp ## _get_ ## var(device_t dev) \ 293 { \ 294 uintptr_t v = 0; \ 295 BUS_READ_IVAR(device_get_parent(dev), dev, \ 296 ivarp ## _IVAR_ ## ivar, &v); \ 297 return ((type) v); \ 298 } \ 299 \ 300 static __inline void varp ## _set_ ## var(device_t dev, type t) \ 301 { \ 302 uintptr_t v = (uintptr_t) t; \ 303 BUS_WRITE_IVAR(device_get_parent(dev), dev, \ 304 ivarp ## _IVAR_ ## ivar, v); \ 305 } 306 307 __ACPI_BUS_ACCESSOR(acpi, handle, ACPI, HANDLE, ACPI_HANDLE) 308 __ACPI_BUS_ACCESSOR(acpi, private, ACPI, PRIVATE, void *) 309 __ACPI_BUS_ACCESSOR(acpi, flags, ACPI, FLAGS, int) 310 __ACPI_BUS_ACCESSOR(acpi, domain, ACPI, DOMAIN, int) 311 312 void acpi_fake_objhandler(ACPI_HANDLE h, void *data); 313 static __inline device_t 314 acpi_get_device(ACPI_HANDLE handle) 315 { 316 void *dev = NULL; 317 AcpiGetData(handle, acpi_fake_objhandler, &dev); 318 return ((device_t)dev); 319 } 320 321 static __inline ACPI_OBJECT_TYPE 322 acpi_get_type(device_t dev) 323 { 324 ACPI_HANDLE h; 325 ACPI_OBJECT_TYPE t; 326 327 if ((h = acpi_get_handle(dev)) == NULL) 328 return (ACPI_TYPE_NOT_FOUND); 329 if (ACPI_FAILURE(AcpiGetType(h, &t))) 330 return (ACPI_TYPE_NOT_FOUND); 331 return (t); 332 } 333 334 /* Find the difference between two PM tick counts. */ 335 static __inline uint32_t 336 acpi_TimerDelta(uint32_t end, uint32_t start) 337 { 338 339 if (end < start && (AcpiGbl_FADT.Flags & ACPI_FADT_32BIT_TIMER) == 0) 340 end |= 0x01000000; 341 return (end - start); 342 } 343 344 #ifdef ACPI_DEBUGGER 345 void acpi_EnterDebugger(void); 346 #endif 347 348 #ifdef ACPI_DEBUG 349 #include <sys/cons.h> 350 #define STEP(x) do {printf x, printf("\n"); cngetc();} while (0) 351 #else 352 #define STEP(x) 353 #endif 354 355 #define ACPI_VPRINT(dev, acpi_sc, x...) do { \ 356 if (acpi_get_verbose(acpi_sc)) \ 357 device_printf(dev, x); \ 358 } while (0) 359 360 /* Values for the first status word returned by _OSC. */ 361 #define ACPI_OSC_FAILURE (1 << 1) 362 #define ACPI_OSC_BAD_UUID (1 << 2) 363 #define ACPI_OSC_BAD_REVISION (1 << 3) 364 #define ACPI_OSC_CAPS_MASKED (1 << 4) 365 366 #define ACPI_DEVINFO_PRESENT(x, flags) \ 367 (((x) & (flags)) == (flags)) 368 #define ACPI_DEVICE_PRESENT(x) \ 369 ACPI_DEVINFO_PRESENT(x, ACPI_STA_DEVICE_PRESENT | \ 370 ACPI_STA_DEVICE_FUNCTIONING) 371 #define ACPI_BATTERY_PRESENT(x) \ 372 ACPI_DEVINFO_PRESENT(x, ACPI_STA_DEVICE_PRESENT | \ 373 ACPI_STA_DEVICE_FUNCTIONING | ACPI_STA_BATTERY_PRESENT) 374 375 /* Callback function type for walking subtables within a table. */ 376 typedef void acpi_subtable_handler(ACPI_SUBTABLE_HEADER *, void *); 377 378 BOOLEAN acpi_DeviceIsPresent(device_t dev); 379 BOOLEAN acpi_BatteryIsPresent(device_t dev); 380 ACPI_STATUS acpi_GetHandleInScope(ACPI_HANDLE parent, char *path, 381 ACPI_HANDLE *result); 382 ACPI_STATUS acpi_GetProperty(device_t dev, ACPI_STRING propname, 383 const ACPI_OBJECT **value); 384 ACPI_BUFFER *acpi_AllocBuffer(int size); 385 ACPI_STATUS acpi_ConvertBufferToInteger(ACPI_BUFFER *bufp, 386 UINT32 *number); 387 ACPI_STATUS acpi_GetInteger(ACPI_HANDLE handle, char *path, 388 UINT32 *number); 389 ACPI_STATUS acpi_SetInteger(ACPI_HANDLE handle, char *path, 390 UINT32 number); 391 ACPI_STATUS acpi_ForeachPackageObject(ACPI_OBJECT *obj, 392 void (*func)(ACPI_OBJECT *comp, void *arg), void *arg); 393 ACPI_STATUS acpi_FindIndexedResource(ACPI_BUFFER *buf, int index, 394 ACPI_RESOURCE **resp); 395 ACPI_STATUS acpi_AppendBufferResource(ACPI_BUFFER *buf, 396 ACPI_RESOURCE *res); 397 UINT64 acpi_DSMQuery(ACPI_HANDLE h, const uint8_t *uuid, 398 int revision); 399 ACPI_STATUS acpi_EvaluateDSM(ACPI_HANDLE handle, const uint8_t *uuid, 400 int revision, UINT64 function, ACPI_OBJECT *package, 401 ACPI_BUFFER *out_buf); 402 ACPI_STATUS acpi_EvaluateDSMTyped(ACPI_HANDLE handle, 403 const uint8_t *uuid, int revision, UINT64 function, 404 ACPI_OBJECT *package, ACPI_BUFFER *out_buf, 405 ACPI_OBJECT_TYPE type); 406 ACPI_STATUS acpi_EvaluateOSC(ACPI_HANDLE handle, uint8_t *uuid, 407 int revision, int count, uint32_t *caps_in, 408 uint32_t *caps_out, bool query); 409 ACPI_STATUS acpi_OverrideInterruptLevel(UINT32 InterruptNumber); 410 ACPI_STATUS acpi_SetIntrModel(int model); 411 int acpi_ReqSleepState(struct acpi_softc *sc, int state); 412 int acpi_AckSleepState(struct apm_clone_data *clone, int error); 413 ACPI_STATUS acpi_SetSleepState(struct acpi_softc *sc, int state); 414 int acpi_wake_set_enable(device_t dev, int enable); 415 int acpi_parse_prw(ACPI_HANDLE h, struct acpi_prw_data *prw); 416 ACPI_STATUS acpi_Startup(void); 417 void acpi_UserNotify(const char *subsystem, ACPI_HANDLE h, 418 uint8_t notify); 419 int acpi_bus_alloc_gas(device_t dev, int *type, int *rid, 420 ACPI_GENERIC_ADDRESS *gas, struct resource **res, 421 u_int flags); 422 void acpi_walk_subtables(void *first, void *end, 423 acpi_subtable_handler *handler, void *arg); 424 BOOLEAN acpi_has_hid(ACPI_HANDLE handle); 425 int acpi_MatchHid(ACPI_HANDLE h, const char *hid); 426 #define ACPI_MATCHHID_NOMATCH 0 427 #define ACPI_MATCHHID_HID 1 428 #define ACPI_MATCHHID_CID 2 429 430 static __inline bool 431 acpi_HasProperty(device_t dev, ACPI_STRING propname) 432 { 433 434 return ACPI_SUCCESS(acpi_GetProperty(dev, propname, NULL)); 435 } 436 437 struct acpi_parse_resource_set { 438 void (*set_init)(device_t dev, void *arg, void **context); 439 void (*set_done)(device_t dev, void *context); 440 void (*set_ioport)(device_t dev, void *context, uint64_t base, 441 uint64_t length); 442 void (*set_iorange)(device_t dev, void *context, uint64_t low, 443 uint64_t high, uint64_t length, uint64_t align); 444 void (*set_memory)(device_t dev, void *context, uint64_t base, 445 uint64_t length); 446 void (*set_memoryrange)(device_t dev, void *context, uint64_t low, 447 uint64_t high, uint64_t length, uint64_t align); 448 void (*set_irq)(device_t dev, void *context, uint8_t *irq, 449 int count, int trig, int pol); 450 void (*set_ext_irq)(device_t dev, void *context, uint32_t *irq, 451 int count, int trig, int pol); 452 void (*set_drq)(device_t dev, void *context, uint8_t *drq, 453 int count); 454 void (*set_start_dependent)(device_t dev, void *context, 455 int preference); 456 void (*set_end_dependent)(device_t dev, void *context); 457 }; 458 459 extern struct acpi_parse_resource_set acpi_res_parse_set; 460 461 int acpi_identify(void); 462 void acpi_config_intr(device_t dev, ACPI_RESOURCE *res); 463 #ifdef INTRNG 464 int acpi_map_intr(device_t dev, u_int irq, ACPI_HANDLE handle); 465 #endif 466 ACPI_STATUS acpi_lookup_irq_resource(device_t dev, int rid, 467 struct resource *res, ACPI_RESOURCE *acpi_res); 468 ACPI_STATUS acpi_parse_resources(device_t dev, ACPI_HANDLE handle, 469 struct acpi_parse_resource_set *set, void *arg); 470 471 /* ACPI event handling */ 472 UINT32 acpi_event_power_button_sleep(void *context); 473 UINT32 acpi_event_power_button_wake(void *context); 474 UINT32 acpi_event_sleep_button_sleep(void *context); 475 UINT32 acpi_event_sleep_button_wake(void *context); 476 477 #define ACPI_EVENT_PRI_FIRST 0 478 #define ACPI_EVENT_PRI_DEFAULT 10000 479 #define ACPI_EVENT_PRI_LAST 20000 480 481 typedef void (*acpi_event_handler_t)(void *, int); 482 483 EVENTHANDLER_DECLARE(acpi_sleep_event, acpi_event_handler_t); 484 EVENTHANDLER_DECLARE(acpi_wakeup_event, acpi_event_handler_t); 485 EVENTHANDLER_DECLARE(acpi_acad_event, acpi_event_handler_t); 486 EVENTHANDLER_DECLARE(acpi_video_event, acpi_event_handler_t); 487 488 /* Device power control. */ 489 ACPI_STATUS acpi_pwr_wake_enable(ACPI_HANDLE consumer, int enable); 490 ACPI_STATUS acpi_pwr_switch_consumer(ACPI_HANDLE consumer, int state); 491 acpi_pwr_for_sleep_t acpi_device_pwr_for_sleep; 492 int acpi_set_powerstate(device_t child, int state); 493 494 /* APM emulation */ 495 void acpi_apm_init(struct acpi_softc *); 496 497 /* Misc. */ 498 static __inline struct acpi_softc * 499 acpi_device_get_parent_softc(device_t child) 500 { 501 device_t parent; 502 503 parent = device_get_parent(child); 504 if (parent == NULL) 505 return (NULL); 506 return (device_get_softc(parent)); 507 } 508 509 static __inline int 510 acpi_get_verbose(struct acpi_softc *sc) 511 { 512 if (sc) 513 return (sc->acpi_verbose); 514 return (0); 515 } 516 517 char *acpi_name(ACPI_HANDLE handle); 518 int acpi_avoid(ACPI_HANDLE handle); 519 int acpi_disabled(char *subsys); 520 int acpi_get_acpi_device_path(device_t bus, device_t child, 521 const char *locator, struct sbuf *sb); 522 int acpi_machdep_init(device_t dev); 523 void acpi_install_wakeup_handler(struct acpi_softc *sc); 524 int acpi_sleep_machdep(struct acpi_softc *sc, int state); 525 int acpi_wakeup_machdep(struct acpi_softc *sc, int state, 526 int sleep_result, int intr_enabled); 527 int acpi_table_quirks(int *quirks); 528 int acpi_machdep_quirks(int *quirks); 529 int acpi_pnpinfo(ACPI_HANDLE handle, struct sbuf *sb); 530 531 uint32_t hpet_get_uid(device_t dev); 532 533 /* Battery Abstraction. */ 534 struct acpi_battinfo; 535 536 int acpi_battery_register(device_t dev); 537 int acpi_battery_remove(device_t dev); 538 int acpi_battery_get_units(void); 539 int acpi_battery_get_info_expire(void); 540 int acpi_battery_bst_valid(struct acpi_bst *bst); 541 int acpi_battery_bix_valid(struct acpi_bix *bix); 542 int acpi_battery_get_battinfo(device_t dev, 543 struct acpi_battinfo *info); 544 545 /* Embedded controller. */ 546 void acpi_ec_ecdt_probe(device_t); 547 548 /* AC adapter interface. */ 549 int acpi_acad_get_acline(int *); 550 551 /* Package manipulation convenience functions. */ 552 #define ACPI_PKG_VALID(pkg, size) \ 553 ((pkg) != NULL && (pkg)->Type == ACPI_TYPE_PACKAGE && \ 554 (pkg)->Package.Count >= (size)) 555 #define ACPI_PKG_VALID_EQ(pkg, size) \ 556 ((pkg) != NULL && (pkg)->Type == ACPI_TYPE_PACKAGE && \ 557 (pkg)->Package.Count == (size)) 558 int acpi_PkgInt(ACPI_OBJECT *res, int idx, UINT64 *dst); 559 int acpi_PkgInt32(ACPI_OBJECT *res, int idx, uint32_t *dst); 560 int acpi_PkgInt16(ACPI_OBJECT *res, int idx, uint16_t *dst); 561 int acpi_PkgStr(ACPI_OBJECT *res, int idx, void *dst, size_t size); 562 int acpi_PkgGas(device_t dev, ACPI_OBJECT *res, int idx, int *type, 563 int *rid, struct resource **dst, u_int flags); 564 int acpi_PkgFFH_IntelCpu(ACPI_OBJECT *res, int idx, int *vendor, 565 int *class, uint64_t *address, int *accsize); 566 ACPI_HANDLE acpi_GetReference(ACPI_HANDLE scope, ACPI_OBJECT *obj); 567 568 /* 569 * Base level for BUS_ADD_CHILD. Special devices are added at orders less 570 * than this, and normal devices at or above this level. This keeps the 571 * probe order sorted so that things like sysresource are available before 572 * their children need them. 573 */ 574 #define ACPI_DEV_BASE_ORDER 100 575 576 /* Default maximum number of tasks to enqueue. */ 577 #ifndef ACPI_MAX_TASKS 578 #define ACPI_MAX_TASKS MAX(32, MAXCPU * 4) 579 #endif 580 581 /* Default number of task queue threads to start. */ 582 #ifndef ACPI_MAX_THREADS 583 #define ACPI_MAX_THREADS 3 584 #endif 585 586 /* Use the device logging level for ktr(4). */ 587 #define KTR_ACPI KTR_DEV 588 589 SYSCTL_DECL(_debug_acpi); 590 591 /* 592 * Parse and use proximity information in SRAT and SLIT. 593 */ 594 int acpi_pxm_init(int ncpus, vm_paddr_t maxphys); 595 void acpi_pxm_parse_tables(void); 596 void acpi_pxm_set_mem_locality(void); 597 void acpi_pxm_set_cpu_locality(void); 598 int acpi_pxm_get_cpu_locality(int apic_id); 599 int acpi_pxm_parse(device_t dev); 600 601 /* 602 * Map a PXM to a VM domain. 603 * 604 * Returns the VM domain ID if found, or -1 if not found / invalid. 605 */ 606 int acpi_map_pxm_to_vm_domainid(int pxm); 607 bus_get_cpus_t acpi_get_cpus; 608 609 #ifdef __aarch64__ 610 /* 611 * ARM specific ACPI interfaces, relating to IORT table. 612 */ 613 int acpi_iort_map_pci_msi(u_int seg, u_int rid, u_int *xref, u_int *devid); 614 int acpi_iort_map_pci_smmuv3(u_int seg, u_int rid, u_int *xref, u_int *devid); 615 int acpi_iort_its_lookup(u_int its_id, u_int *xref, int *pxm); 616 int acpi_iort_map_named_msi(const char *devname, u_int rid, u_int *xref, 617 u_int *devid); 618 int acpi_iort_map_named_smmuv3(const char *devname, u_int rid, u_int *xref, 619 u_int *devid); 620 #endif 621 #endif /* _KERNEL */ 622 #endif /* !_ACPIVAR_H_ */ 623