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/power.h> 44 #include <sys/selinfo.h> 45 #include <sys/sx.h> 46 #include <sys/sysctl.h> 47 48 #include <machine/bus.h> 49 #include <machine/resource.h> 50 51 struct apm_clone_data; 52 struct acpi_softc { 53 device_t acpi_dev; 54 struct cdev *acpi_dev_t; 55 56 int acpi_enabled; 57 int acpi_sstate; 58 int acpi_sleep_disabled; 59 60 struct sysctl_ctx_list acpi_sysctl_ctx; 61 struct sysctl_oid *acpi_sysctl_tree; 62 int acpi_power_button_sx; 63 int acpi_sleep_button_sx; 64 int acpi_lid_switch_sx; 65 66 int acpi_standby_sx; 67 int acpi_suspend_sx; 68 69 int acpi_sleep_delay; 70 int acpi_s4bios; 71 int acpi_do_disable; 72 int acpi_verbose; 73 int acpi_handle_reboot; 74 75 vm_offset_t acpi_wakeaddr; 76 vm_paddr_t acpi_wakephys; 77 78 int acpi_next_sstate; /* Next suspend Sx state. */ 79 struct apm_clone_data *acpi_clone; /* Pseudo-dev for devd(8). */ 80 STAILQ_HEAD(,apm_clone_data) apm_cdevs; /* All apm/apmctl/acpi cdevs. */ 81 struct callout susp_force_to; /* Force suspend if no acks. */ 82 83 /* System Resources */ 84 struct resource_list sysres_rl; 85 }; 86 87 struct acpi_device { 88 /* ACPI ivars */ 89 ACPI_HANDLE ad_handle; 90 void *ad_private; 91 int ad_flags; 92 int ad_cls_class; 93 int ad_domain; 94 95 ACPI_BUFFER dsd; /* Device Specific Data */ 96 const ACPI_OBJECT *dsd_pkg; 97 98 /* Resources */ 99 struct resource_list ad_rl; 100 }; 101 102 #ifdef INTRNG 103 struct intr_map_data_acpi { 104 struct intr_map_data hdr; 105 u_int irq; 106 u_int pol; 107 u_int trig; 108 }; 109 110 #endif 111 112 /* Track device (/dev/{apm,apmctl} and /dev/acpi) notification status. */ 113 struct apm_clone_data { 114 STAILQ_ENTRY(apm_clone_data) entries; 115 struct cdev *cdev; 116 int flags; 117 #define ACPI_EVF_NONE 0 /* /dev/apm semantics */ 118 #define ACPI_EVF_DEVD 1 /* /dev/acpi is handled via devd(8) */ 119 #define ACPI_EVF_WRITE 2 /* Device instance is opened writable. */ 120 int notify_status; 121 #define APM_EV_NONE 0 /* Device not yet aware of pending sleep. */ 122 #define APM_EV_NOTIFIED 1 /* Device saw next sleep state. */ 123 #define APM_EV_ACKED 2 /* Device agreed sleep can occur. */ 124 struct acpi_softc *acpi_sc; 125 struct selinfo sel_read; 126 }; 127 128 #define ACPI_PRW_MAX_POWERRES 8 129 130 struct acpi_prw_data { 131 ACPI_HANDLE gpe_handle; 132 int gpe_bit; 133 int lowest_wake; 134 ACPI_OBJECT power_res[ACPI_PRW_MAX_POWERRES]; 135 int power_res_count; 136 }; 137 138 /* Flags for each device defined in the AML namespace. */ 139 #define ACPI_FLAG_WAKE_ENABLED 0x1 140 141 /* Macros for extracting parts of a PCI address from an _ADR value. */ 142 #define ACPI_ADR_PCI_SLOT(adr) (((adr) & 0xffff0000) >> 16) 143 #define ACPI_ADR_PCI_FUNC(adr) ((adr) & 0xffff) 144 145 /* 146 * Entry points to ACPI from above are global functions defined in this 147 * file, sysctls, and I/O on the control device. Entry points from below 148 * are interrupts (the SCI), notifies, task queue threads, and the thermal 149 * zone polling thread. 150 * 151 * ACPI tables and global shared data are protected by a global lock 152 * (acpi_mutex). 153 * 154 * Each ACPI device can have its own driver-specific mutex for protecting 155 * shared access to local data. The ACPI_LOCK macros handle mutexes. 156 * 157 * Drivers that need to serialize access to functions (e.g., to route 158 * interrupts, get/set control paths, etc.) should use the sx lock macros 159 * (ACPI_SERIAL). 160 * 161 * ACPI-CA handles its own locking and should not be called with locks held. 162 * 163 * The most complicated path is: 164 * GPE -> EC runs _Qxx -> _Qxx reads EC space -> GPE 165 */ 166 extern struct mtx acpi_mutex; 167 #define ACPI_LOCK(sys) mtx_lock(&sys##_mutex) 168 #define ACPI_UNLOCK(sys) mtx_unlock(&sys##_mutex) 169 #define ACPI_LOCK_ASSERT(sys) mtx_assert(&sys##_mutex, MA_OWNED); 170 #define ACPI_LOCK_DECL(sys, name) \ 171 static struct mtx sys##_mutex; \ 172 MTX_SYSINIT(sys##_mutex, &sys##_mutex, name, MTX_DEF) 173 #define ACPI_SERIAL_BEGIN(sys) sx_xlock(&sys##_sxlock) 174 #define ACPI_SERIAL_END(sys) sx_xunlock(&sys##_sxlock) 175 #define ACPI_SERIAL_ASSERT(sys) sx_assert(&sys##_sxlock, SX_XLOCKED); 176 #define ACPI_SERIAL_DECL(sys, name) \ 177 static struct sx sys##_sxlock; \ 178 SX_SYSINIT(sys##_sxlock, &sys##_sxlock, name) 179 180 /* 181 * ACPI CA does not define layers for non-ACPI CA drivers. 182 * We define some here within the range provided. 183 */ 184 #define ACPI_AC_ADAPTER 0x00010000 185 #define ACPI_BATTERY 0x00020000 186 #define ACPI_BUS 0x00040000 187 #define ACPI_BUTTON 0x00080000 188 #define ACPI_EC 0x00100000 189 #define ACPI_FAN 0x00200000 190 #define ACPI_POWERRES 0x00400000 191 #define ACPI_PROCESSOR 0x00800000 192 #define ACPI_THERMAL 0x01000000 193 #define ACPI_TIMER 0x02000000 194 #define ACPI_OEM 0x04000000 195 196 /* 197 * Constants for different interrupt models used with acpi_SetIntrModel(). 198 */ 199 #define ACPI_INTR_PIC 0 200 #define ACPI_INTR_APIC 1 201 #define ACPI_INTR_SAPIC 2 202 203 /* 204 * Various features and capabilities for the acpi_get_features() method. 205 * In particular, these are used for the ACPI 3.0 _PDC and _OSC methods. 206 * See the Intel document titled "Intel Processor Vendor-Specific ACPI", 207 * number 302223-007. 208 */ 209 #define ACPI_CAP_PERF_MSRS (1 << 0) /* Intel SpeedStep PERF_CTL MSRs */ 210 #define ACPI_CAP_C1_IO_HALT (1 << 1) /* Intel C1 "IO then halt" sequence */ 211 #define ACPI_CAP_THR_MSRS (1 << 2) /* Intel OnDemand throttling MSRs */ 212 #define ACPI_CAP_SMP_SAME (1 << 3) /* MP C1, Px, and Tx (all the same) */ 213 #define ACPI_CAP_SMP_SAME_C3 (1 << 4) /* MP C2 and C3 (all the same) */ 214 #define ACPI_CAP_SMP_DIFF_PX (1 << 5) /* MP Px (different, using _PSD) */ 215 #define ACPI_CAP_SMP_DIFF_CX (1 << 6) /* MP Cx (different, using _CSD) */ 216 #define ACPI_CAP_SMP_DIFF_TX (1 << 7) /* MP Tx (different, using _TSD) */ 217 #define ACPI_CAP_SMP_C1_NATIVE (1 << 8) /* MP C1 support other than halt */ 218 #define ACPI_CAP_SMP_C3_NATIVE (1 << 9) /* MP C2 and C3 support */ 219 #define ACPI_CAP_PX_HW_COORD (1 << 11) /* Intel P-state HW coordination */ 220 #define ACPI_CAP_INTR_CPPC (1 << 12) /* Native Interrupt Handling for 221 Collaborative Processor Performance Control notifications */ 222 #define ACPI_CAP_HW_DUTY_C (1 << 13) /* Hardware Duty Cycling */ 223 224 /* 225 * Quirk flags. 226 * 227 * ACPI_Q_BROKEN: Disables all ACPI support. 228 * ACPI_Q_TIMER: Disables support for the ACPI timer. 229 * ACPI_Q_MADT_IRQ0: Specifies that ISA IRQ 0 is wired up to pin 0 of the 230 * first APIC and that the MADT should force that by ignoring the PC-AT 231 * compatible flag and ignoring overrides that redirect IRQ 0 to pin 2. 232 * ACPI_Q_AEI_NOPULL: Specifies that _AEI objects incorrectly designate pins 233 * as "PullUp" and they should be treated as "NoPull" instead. 234 * ACPI_Q_CLEAR_PME_ON_DETACH: Specifies that PCIM_PSTAT_(PME & ~PMEENABLE) 235 * should be written to the power status register as part of ACPI Eject. 236 * ACPI_Q_DELAY_BEFORE_EJECT_RESCAN: Specifies that we need a short (10ms) 237 * delay after _EJ0 returns before rescanning the PCI bus. 238 */ 239 extern int acpi_quirks; 240 #define ACPI_Q_OK 0 241 #define ACPI_Q_BROKEN (1 << 0) 242 #define ACPI_Q_TIMER (1 << 1) 243 #define ACPI_Q_MADT_IRQ0 (1 << 2) 244 #define ACPI_Q_AEI_NOPULL (1 << 3) 245 #define ACPI_Q_CLEAR_PME_ON_DETACH (1 << 4) 246 #define ACPI_Q_DELAY_BEFORE_EJECT_RESCAN (1 << 5) 247 248 #if defined(__amd64__) || defined(__i386__) 249 /* 250 * Certain Intel BIOSes have buggy AML that specify an IRQ that is 251 * edge-sensitive and active-lo. Normally, edge-sensitive IRQs should 252 * be active-hi. If this value is non-zero, edge-sensitive ISA IRQs 253 * are forced to be active-hi instead. At least some AMD systems use 254 * active-lo edge-sensitive ISA IRQs, so this setting is only enabled 255 * by default on systems with Intel CPUs. 256 */ 257 extern int acpi_override_isa_irq_polarity; 258 #endif 259 260 /* 261 * Plug and play information for device matching. Matching table format 262 * is compatible with ids parameter of ACPI_ID_PROBE bus method. 263 * 264 * XXX: While ACPI_ID_PROBE matches against _HID and all _CIDs, current 265 * acpi_pnpinfo() exports only _HID and first _CID. That means second 266 * and further _CIDs should be added to both acpi_pnpinfo() and 267 * ACPICOMPAT_PNP_INFO if device matching against them is required. 268 */ 269 #define ACPICOMPAT_PNP_INFO(t, busname) \ 270 MODULE_PNP_INFO("Z:_HID", busname, t##hid, t, nitems(t)-1); \ 271 MODULE_PNP_INFO("Z:_CID", busname, t##cid, t, nitems(t)-1); 272 #define ACPI_PNP_INFO(t) ACPICOMPAT_PNP_INFO(t, acpi) 273 274 /* 275 * Note that the low ivar values are reserved to provide 276 * interface compatibility with ISA drivers which can also 277 * attach to ACPI. 278 */ 279 #define ACPI_IVAR_HANDLE 0x100 280 #define ACPI_IVAR_UNUSED 0x101 /* Unused/reserved. */ 281 #define ACPI_IVAR_PRIVATE 0x102 282 #define ACPI_IVAR_FLAGS 0x103 283 #define ACPI_IVAR_DOMAIN 0x104 284 285 /* 286 * ad_domain NUMA domain special value. 287 */ 288 #define ACPI_DEV_DOMAIN_UNKNOWN (-1) 289 290 /* 291 * Accessor functions for our ivars. Default value for BUS_READ_IVAR is 292 * (type) 0. The <sys/bus.h> accessor functions don't check return values. 293 */ 294 #define __ACPI_BUS_ACCESSOR(varp, var, ivarp, ivar, type) \ 295 \ 296 static __inline type varp ## _get_ ## var(device_t dev) \ 297 { \ 298 uintptr_t v = 0; \ 299 BUS_READ_IVAR(device_get_parent(dev), dev, \ 300 ivarp ## _IVAR_ ## ivar, &v); \ 301 return ((type) v); \ 302 } \ 303 \ 304 static __inline void varp ## _set_ ## var(device_t dev, type t) \ 305 { \ 306 uintptr_t v = (uintptr_t) t; \ 307 BUS_WRITE_IVAR(device_get_parent(dev), dev, \ 308 ivarp ## _IVAR_ ## ivar, v); \ 309 } 310 311 __ACPI_BUS_ACCESSOR(acpi, handle, ACPI, HANDLE, ACPI_HANDLE) 312 __ACPI_BUS_ACCESSOR(acpi, private, ACPI, PRIVATE, void *) 313 __ACPI_BUS_ACCESSOR(acpi, flags, ACPI, FLAGS, int) 314 __ACPI_BUS_ACCESSOR(acpi, domain, ACPI, DOMAIN, int) 315 316 void acpi_fake_objhandler(ACPI_HANDLE h, void *data); 317 static __inline device_t 318 acpi_get_device(ACPI_HANDLE handle) 319 { 320 void *dev = NULL; 321 AcpiGetData(handle, acpi_fake_objhandler, &dev); 322 return ((device_t)dev); 323 } 324 325 static __inline ACPI_OBJECT_TYPE 326 acpi_get_type(device_t dev) 327 { 328 ACPI_HANDLE h; 329 ACPI_OBJECT_TYPE t; 330 331 if ((h = acpi_get_handle(dev)) == NULL) 332 return (ACPI_TYPE_NOT_FOUND); 333 if (ACPI_FAILURE(AcpiGetType(h, &t))) 334 return (ACPI_TYPE_NOT_FOUND); 335 return (t); 336 } 337 338 /* Find the difference between two PM tick counts. */ 339 static __inline uint32_t 340 acpi_TimerDelta(uint32_t end, uint32_t start) 341 { 342 343 if (end < start && (AcpiGbl_FADT.Flags & ACPI_FADT_32BIT_TIMER) == 0) 344 end |= 0x01000000; 345 return (end - start); 346 } 347 348 #ifdef ACPI_DEBUGGER 349 void acpi_EnterDebugger(void); 350 #endif 351 352 #ifdef ACPI_DEBUG 353 #include <sys/cons.h> 354 #define STEP(x) do {printf x, printf("\n"); cngetc();} while (0) 355 #else 356 #define STEP(x) 357 #endif 358 359 #define ACPI_VPRINT(dev, acpi_sc, x...) do { \ 360 if (acpi_get_verbose(acpi_sc)) \ 361 device_printf(dev, x); \ 362 } while (0) 363 364 /* Values for the first status word returned by _OSC. */ 365 #define ACPI_OSC_FAILURE (1 << 1) 366 #define ACPI_OSC_BAD_UUID (1 << 2) 367 #define ACPI_OSC_BAD_REVISION (1 << 3) 368 #define ACPI_OSC_CAPS_MASKED (1 << 4) 369 370 #define ACPI_DEVINFO_PRESENT(x, flags) \ 371 (((x) & (flags)) == (flags)) 372 #define ACPI_DEVICE_PRESENT(x) \ 373 ACPI_DEVINFO_PRESENT(x, ACPI_STA_DEVICE_PRESENT | \ 374 ACPI_STA_DEVICE_FUNCTIONING) 375 #define ACPI_BATTERY_PRESENT(x) \ 376 ACPI_DEVINFO_PRESENT(x, ACPI_STA_DEVICE_PRESENT | \ 377 ACPI_STA_DEVICE_FUNCTIONING | ACPI_STA_BATTERY_PRESENT) 378 379 /* Callback function type for walking subtables within a table. */ 380 typedef void acpi_subtable_handler(ACPI_SUBTABLE_HEADER *, void *); 381 382 BOOLEAN acpi_DeviceIsPresent(device_t dev); 383 BOOLEAN acpi_BatteryIsPresent(device_t dev); 384 ACPI_STATUS acpi_GetHandleInScope(ACPI_HANDLE parent, char *path, 385 ACPI_HANDLE *result); 386 ACPI_STATUS acpi_GetProperty(device_t dev, ACPI_STRING propname, 387 const ACPI_OBJECT **value); 388 ACPI_BUFFER *acpi_AllocBuffer(int size); 389 ACPI_STATUS acpi_ConvertBufferToInteger(ACPI_BUFFER *bufp, 390 UINT32 *number); 391 ACPI_STATUS acpi_GetInteger(ACPI_HANDLE handle, char *path, 392 UINT32 *number); 393 ACPI_STATUS acpi_SetInteger(ACPI_HANDLE handle, char *path, 394 UINT32 number); 395 ACPI_STATUS acpi_ForeachPackageObject(ACPI_OBJECT *obj, 396 void (*func)(ACPI_OBJECT *comp, void *arg), void *arg); 397 ACPI_STATUS acpi_FindIndexedResource(ACPI_BUFFER *buf, int index, 398 ACPI_RESOURCE **resp); 399 ACPI_STATUS acpi_AppendBufferResource(ACPI_BUFFER *buf, 400 ACPI_RESOURCE *res); 401 UINT64 acpi_DSMQuery(ACPI_HANDLE h, const uint8_t *uuid, 402 int revision); 403 ACPI_STATUS acpi_EvaluateDSM(ACPI_HANDLE handle, const uint8_t *uuid, 404 int revision, UINT64 function, ACPI_OBJECT *package, 405 ACPI_BUFFER *out_buf); 406 ACPI_STATUS acpi_EvaluateDSMTyped(ACPI_HANDLE handle, 407 const uint8_t *uuid, int revision, UINT64 function, 408 ACPI_OBJECT *package, ACPI_BUFFER *out_buf, 409 ACPI_OBJECT_TYPE type); 410 ACPI_STATUS acpi_EvaluateOSC(ACPI_HANDLE handle, uint8_t *uuid, 411 int revision, int count, uint32_t *caps_in, 412 uint32_t *caps_out, bool query); 413 ACPI_STATUS acpi_OverrideInterruptLevel(UINT32 InterruptNumber); 414 ACPI_STATUS acpi_SetIntrModel(int model); 415 int acpi_ReqSleepState(struct acpi_softc *sc, int state); 416 int acpi_AckSleepState(struct apm_clone_data *clone, int error); 417 ACPI_STATUS acpi_SetSleepState(struct acpi_softc *sc, int state); 418 int acpi_wake_set_enable(device_t dev, int enable); 419 int acpi_parse_prw(ACPI_HANDLE h, struct acpi_prw_data *prw); 420 ACPI_STATUS acpi_Startup(void); 421 void acpi_UserNotify(const char *subsystem, ACPI_HANDLE h, 422 uint8_t notify); 423 int acpi_bus_alloc_gas(device_t dev, int *type, int *rid, 424 ACPI_GENERIC_ADDRESS *gas, struct resource **res, 425 u_int flags); 426 void acpi_walk_subtables(void *first, void *end, 427 acpi_subtable_handler *handler, void *arg); 428 BOOLEAN acpi_has_hid(ACPI_HANDLE handle); 429 int acpi_MatchHid(ACPI_HANDLE h, const char *hid); 430 #define ACPI_MATCHHID_NOMATCH 0 431 #define ACPI_MATCHHID_HID 1 432 #define ACPI_MATCHHID_CID 2 433 434 static __inline bool 435 acpi_HasProperty(device_t dev, ACPI_STRING propname) 436 { 437 438 return ACPI_SUCCESS(acpi_GetProperty(dev, propname, NULL)); 439 } 440 441 struct acpi_parse_resource_set { 442 void (*set_init)(device_t dev, void *arg, void **context); 443 void (*set_done)(device_t dev, void *context); 444 void (*set_ioport)(device_t dev, void *context, uint64_t base, 445 uint64_t length); 446 void (*set_iorange)(device_t dev, void *context, uint64_t low, 447 uint64_t high, uint64_t length, uint64_t align); 448 void (*set_memory)(device_t dev, void *context, uint64_t base, 449 uint64_t length); 450 void (*set_memoryrange)(device_t dev, void *context, uint64_t low, 451 uint64_t high, uint64_t length, uint64_t align); 452 void (*set_irq)(device_t dev, void *context, uint8_t *irq, 453 int count, int trig, int pol); 454 void (*set_ext_irq)(device_t dev, void *context, uint32_t *irq, 455 int count, int trig, int pol); 456 void (*set_drq)(device_t dev, void *context, uint8_t *drq, 457 int count); 458 void (*set_start_dependent)(device_t dev, void *context, 459 int preference); 460 void (*set_end_dependent)(device_t dev, void *context); 461 }; 462 463 extern struct acpi_parse_resource_set acpi_res_parse_set; 464 465 int acpi_identify(void); 466 void acpi_config_intr(device_t dev, ACPI_RESOURCE *res); 467 #ifdef INTRNG 468 int acpi_map_intr(device_t dev, u_int irq, ACPI_HANDLE handle); 469 #endif 470 ACPI_STATUS acpi_lookup_irq_resource(device_t dev, int rid, 471 struct resource *res, ACPI_RESOURCE *acpi_res); 472 ACPI_STATUS acpi_parse_resources(device_t dev, ACPI_HANDLE handle, 473 struct acpi_parse_resource_set *set, void *arg); 474 475 /* ACPI event handling */ 476 UINT32 acpi_event_power_button_sleep(void *context); 477 UINT32 acpi_event_power_button_wake(void *context); 478 UINT32 acpi_event_sleep_button_sleep(void *context); 479 UINT32 acpi_event_sleep_button_wake(void *context); 480 481 #define ACPI_EVENT_PRI_FIRST 0 482 #define ACPI_EVENT_PRI_DEFAULT 10000 483 #define ACPI_EVENT_PRI_LAST 20000 484 485 typedef void (*acpi_event_handler_t)(void *, int); 486 487 EVENTHANDLER_DECLARE(acpi_sleep_event, acpi_event_handler_t); 488 EVENTHANDLER_DECLARE(acpi_wakeup_event, acpi_event_handler_t); 489 EVENTHANDLER_DECLARE(acpi_acad_event, acpi_event_handler_t); 490 EVENTHANDLER_DECLARE(acpi_video_event, acpi_event_handler_t); 491 492 /* Device power control. */ 493 ACPI_STATUS acpi_pwr_wake_enable(ACPI_HANDLE consumer, int enable); 494 ACPI_STATUS acpi_pwr_get_state(ACPI_HANDLE consumer, int *state); 495 ACPI_STATUS acpi_pwr_switch_consumer(ACPI_HANDLE consumer, int state); 496 acpi_pwr_for_sleep_t acpi_device_pwr_for_sleep; 497 int acpi_set_powerstate(device_t child, int state); 498 499 /* APM emulation */ 500 void acpi_apm_init(struct acpi_softc *); 501 502 /* Misc. */ 503 static __inline struct acpi_softc * 504 acpi_device_get_parent_softc(device_t child) 505 { 506 device_t parent; 507 508 parent = device_get_parent(child); 509 if (parent == NULL) 510 return (NULL); 511 return (device_get_softc(parent)); 512 } 513 514 static __inline int 515 acpi_get_verbose(struct acpi_softc *sc) 516 { 517 if (sc) 518 return (sc->acpi_verbose); 519 return (0); 520 } 521 522 static __inline const char * 523 acpi_d_state_to_str(int state) 524 { 525 const char *strs[ACPI_D_STATE_COUNT] = {"D0", "D1", "D2", "D3hot", 526 "D3cold"}; 527 528 MPASS(state >= ACPI_STATE_D0 && state <= ACPI_D_STATES_MAX); 529 return (strs[state]); 530 } 531 532 char *acpi_name(ACPI_HANDLE handle); 533 int acpi_avoid(ACPI_HANDLE handle); 534 int acpi_disabled(char *subsys); 535 int acpi_get_acpi_device_path(device_t bus, device_t child, 536 const char *locator, struct sbuf *sb); 537 int acpi_machdep_init(device_t dev); 538 void acpi_install_wakeup_handler(struct acpi_softc *sc); 539 int acpi_sleep_machdep(struct acpi_softc *sc, int state); 540 int acpi_wakeup_machdep(struct acpi_softc *sc, int state, 541 int sleep_result, int intr_enabled); 542 int acpi_table_quirks(int *quirks); 543 int acpi_machdep_quirks(int *quirks); 544 int acpi_pnpinfo(ACPI_HANDLE handle, struct sbuf *sb); 545 546 uint32_t hpet_get_uid(device_t dev); 547 548 /* Battery Abstraction. */ 549 struct acpi_battinfo; 550 551 int acpi_battery_register(device_t dev); 552 int acpi_battery_remove(device_t dev); 553 int acpi_battery_get_units(void); 554 int acpi_battery_get_info_expire(void); 555 int acpi_battery_bst_valid(struct acpi_bst *bst); 556 int acpi_battery_bix_valid(struct acpi_bix *bix); 557 int acpi_battery_get_battinfo(device_t dev, 558 struct acpi_battinfo *info); 559 560 /* Embedded controller. */ 561 void acpi_ec_ecdt_probe(device_t); 562 563 /* AC adapter interface. */ 564 int acpi_acad_get_acline(int *); 565 566 /* Package manipulation convenience functions. */ 567 #define ACPI_PKG_VALID(pkg, size) \ 568 ((pkg) != NULL && (pkg)->Type == ACPI_TYPE_PACKAGE && \ 569 (pkg)->Package.Count >= (size)) 570 #define ACPI_PKG_VALID_EQ(pkg, size) \ 571 ((pkg) != NULL && (pkg)->Type == ACPI_TYPE_PACKAGE && \ 572 (pkg)->Package.Count == (size)) 573 int acpi_PkgInt(ACPI_OBJECT *res, int idx, UINT64 *dst); 574 int acpi_PkgInt32(ACPI_OBJECT *res, int idx, uint32_t *dst); 575 int acpi_PkgInt16(ACPI_OBJECT *res, int idx, uint16_t *dst); 576 int acpi_PkgStr(ACPI_OBJECT *res, int idx, void *dst, size_t size); 577 int acpi_PkgGas(device_t dev, ACPI_OBJECT *res, int idx, int *type, 578 int *rid, struct resource **dst, u_int flags); 579 int acpi_PkgFFH_IntelCpu(ACPI_OBJECT *res, int idx, int *vendor, 580 int *class, uint64_t *address, int *accsize); 581 ACPI_HANDLE acpi_GetReference(ACPI_HANDLE scope, ACPI_OBJECT *obj); 582 583 /* 584 * Base level for BUS_ADD_CHILD. Special devices are added at orders less 585 * than this, and normal devices at or above this level. This keeps the 586 * probe order sorted so that things like sysresource are available before 587 * their children need them. 588 */ 589 #define ACPI_DEV_BASE_ORDER 100 590 591 /* Default maximum number of tasks to enqueue. */ 592 #ifndef ACPI_MAX_TASKS 593 #define ACPI_MAX_TASKS MAX(32, MAXCPU * 4) 594 #endif 595 596 /* Default number of task queue threads to start. */ 597 #ifndef ACPI_MAX_THREADS 598 #define ACPI_MAX_THREADS 3 599 #endif 600 601 /* Use the device logging level for ktr(4). */ 602 #define KTR_ACPI KTR_DEV 603 604 SYSCTL_DECL(_debug_acpi); 605 606 /* 607 * Parse and use proximity information in SRAT and SLIT. 608 */ 609 int acpi_pxm_init(int ncpus, vm_paddr_t maxphys); 610 void acpi_pxm_parse_tables(void); 611 void acpi_pxm_set_mem_locality(void); 612 void acpi_pxm_set_cpu_locality(void); 613 int acpi_pxm_get_cpu_locality(int apic_id); 614 int acpi_pxm_parse(device_t dev); 615 616 /* 617 * Map a PXM to a VM domain. 618 * 619 * Returns the VM domain ID if found, or -1 if not found / invalid. 620 */ 621 int acpi_map_pxm_to_vm_domainid(int pxm); 622 bus_get_cpus_t acpi_get_cpus; 623 624 #ifdef __aarch64__ 625 /* 626 * ARM specific ACPI interfaces, relating to IORT table. 627 */ 628 int acpi_iort_map_pci_msi(u_int seg, u_int rid, u_int *xref, u_int *devid); 629 int acpi_iort_map_pci_smmuv3(u_int seg, u_int rid, uint64_t *xref, 630 u_int *devid); 631 int acpi_iort_its_lookup(u_int its_id, u_int *xref, int *pxm); 632 int acpi_iort_map_named_msi(const char *devname, u_int rid, u_int *xref, 633 u_int *devid); 634 int acpi_iort_map_named_smmuv3(const char *devname, u_int rid, 635 uint64_t *xref, u_int *devid); 636 #endif 637 #endif /* _KERNEL */ 638 #endif /* !_ACPIVAR_H_ */ 639