Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/iicbus/adt746x.c
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1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2012 Andreas Tobler 5 * Copyright (c) 2014 Justin Hibbits 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 33 #include <sys/param.h> 34 #include <sys/bus.h> 35 #include <sys/systm.h> 36 #include <sys/module.h> 37 #include <sys/callout.h> 38 #include <sys/conf.h> 39 #include <sys/cpu.h> 40 #include <sys/ctype.h> 41 #include <sys/kernel.h> 42 #include <sys/reboot.h> 43 #include <sys/rman.h> 44 #include <sys/sysctl.h> 45 #include <sys/limits.h> 46 47 #include <machine/bus.h> 48 #include <machine/md_var.h> 49 50 #include <dev/iicbus/iicbus.h> 51 #include <dev/iicbus/iiconf.h> 52 53 #include <dev/ofw/openfirm.h> 54 #include <dev/ofw/ofw_bus.h> 55 #include <powerpc/powermac/powermac_thermal.h> 56 57 /* ADT746X registers. */ 58 #define ADT746X_TACH1LOW 0x28 59 #define ADT746X_TACH1HIGH 0x29 60 #define ADT746X_TACH2LOW 0x2a 61 #define ADT746X_TACH2HIGH 0x2b 62 #define ADT746X_PWM1 0x30 63 #define ADT746X_PWM2 0x31 64 #define ADT746X_DEVICE_ID 0x3d 65 #define ADT746X_COMPANY_ID 0x3e 66 #define ADT746X_REV_ID 0x3f 67 #define ADT746X_CONFIG 0x40 68 #define ADT746X_PWM1_CONF 0x5c 69 #define ADT746X_PWM2_CONF 0x5d 70 #define ADT746X_MANUAL_MASK 0xe0 71 72 #define ADT7460_DEV_ID 0x27 73 #define ADT7467_DEV_ID 0x68 74 75 struct adt746x_fan { 76 struct pmac_fan fan; 77 device_t dev; 78 int id; 79 int setpoint; 80 int pwm_reg; 81 int conf_reg; 82 }; 83 84 struct adt746x_sensor { 85 struct pmac_therm therm; 86 device_t dev; 87 int id; 88 cell_t reg; 89 enum { 90 ADT746X_SENSOR_TEMP, 91 ADT746X_SENSOR_VOLT, 92 ADT746X_SENSOR_SPEED 93 } type; 94 }; 95 96 struct adt746x_softc { 97 device_t sc_dev; 98 struct intr_config_hook enum_hook; 99 uint32_t sc_addr; 100 /* The 7467 supports up to 4 fans, 2 voltage and 3 temperature sensors. */ 101 struct adt746x_fan sc_fans[4]; 102 int sc_nfans; 103 struct adt746x_sensor sc_sensors[9]; 104 int sc_nsensors; 105 int device_id; 106 107 }; 108 109 110 /* Regular bus attachment functions */ 111 112 static int adt746x_probe(device_t); 113 static int adt746x_attach(device_t); 114 115 116 /* Utility functions */ 117 static void adt746x_attach_fans(device_t dev); 118 static void adt746x_attach_sensors(device_t dev); 119 static int adt746x_fill_fan_prop(device_t dev); 120 static int adt746x_fill_sensor_prop(device_t dev); 121 122 static int adt746x_fan_set_pwm(struct adt746x_fan *fan, int pwm); 123 static int adt746x_fan_get_pwm(struct adt746x_fan *fan); 124 static int adt746x_sensor_read(struct adt746x_sensor *sens); 125 static void adt746x_start(void *xdev); 126 127 /* i2c read/write functions. */ 128 static int adt746x_write(device_t dev, uint32_t addr, uint8_t reg, 129 uint8_t *buf); 130 static int adt746x_read(device_t dev, uint32_t addr, uint8_t reg, 131 uint8_t *data); 132 133 static device_method_t adt746x_methods[] = { 134 /* Device interface */ 135 DEVMETHOD(device_probe, adt746x_probe), 136 DEVMETHOD(device_attach, adt746x_attach), 137 { 0, 0 }, 138 }; 139 140 static driver_t adt746x_driver = { 141 "adt746x", 142 adt746x_methods, 143 sizeof(struct adt746x_softc) 144 }; 145 146 DRIVER_MODULE(adt746x, iicbus, adt746x_driver, 0, 0); 147 static MALLOC_DEFINE(M_ADT746X, "adt746x", "ADT Sensor Information"); 148 149 150 /* i2c read/write functions. */ 151 152 static int 153 adt746x_write(device_t dev, uint32_t addr, uint8_t reg, uint8_t *buff) 154 { 155 uint8_t buf[4]; 156 int try = 0; 157 158 struct iic_msg msg[] = { 159 {addr, IIC_M_WR, 2, buf } 160 }; 161 162 /* Prepare the write msg. */ 163 buf[0] = reg; 164 memcpy(buf + 1, buff, 1); 165 166 for (;;) 167 { 168 if (iicbus_transfer(dev, msg, 1) == 0) 169 return (0); 170 if (++try > 5) { 171 device_printf(dev, "iicbus write failed\n"); 172 return (-1); 173 } 174 pause("adt746x_write", hz); 175 } 176 return (0); 177 } 178 179 static int 180 adt746x_read(device_t dev, uint32_t addr, uint8_t reg, uint8_t *data) 181 { 182 uint8_t buf[4]; 183 int err, try = 0; 184 185 struct iic_msg msg[2] = { 186 {addr, IIC_M_WR | IIC_M_NOSTOP, 1, ®}, 187 {addr, IIC_M_RD, 1, buf}, 188 }; 189 190 for (;;) 191 { 192 err = iicbus_transfer(dev, msg, 2); 193 if (err != 0) 194 goto retry; 195 196 *data = *((uint8_t*)buf); 197 return (0); 198 retry: 199 if (++try > 5) { 200 device_printf(dev, "iicbus read failed\n"); 201 return (-1); 202 } 203 pause("adt746x_read", hz); 204 } 205 } 206 207 static int 208 adt746x_probe(device_t dev) 209 { 210 const char *name, *compatible; 211 struct adt746x_softc *sc; 212 213 name = ofw_bus_get_name(dev); 214 compatible = ofw_bus_get_compat(dev); 215 216 if (!name) 217 return (ENXIO); 218 219 if (strcmp(name, "fan") != 0 || 220 (strcmp(compatible, "adt7460") != 0 && 221 strcmp(compatible, "adt7467") != 0)) 222 return (ENXIO); 223 224 sc = device_get_softc(dev); 225 sc->sc_dev = dev; 226 sc->sc_addr = iicbus_get_addr(dev); 227 228 device_set_desc(dev, "Apple Thermostat Unit ADT746X"); 229 230 return (0); 231 } 232 233 static int 234 adt746x_attach(device_t dev) 235 { 236 struct adt746x_softc *sc; 237 238 sc = device_get_softc(dev); 239 240 sc->enum_hook.ich_func = adt746x_start; 241 sc->enum_hook.ich_arg = dev; 242 243 /* We have to wait until interrupts are enabled. I2C read and write 244 * only works if the interrupts are available. 245 * The unin/i2c is controlled by the htpic on unin. But this is not 246 * the master. The openpic on mac-io is controlling the htpic. 247 * This one gets attached after the mac-io probing and then the 248 * interrupts will be available. 249 */ 250 251 if (config_intrhook_establish(&sc->enum_hook) != 0) 252 return (ENOMEM); 253 254 return (0); 255 } 256 257 static void 258 adt746x_start(void *xdev) 259 { 260 uint8_t did, cid, rev, conf; 261 262 struct adt746x_softc *sc; 263 264 device_t dev = (device_t)xdev; 265 266 sc = device_get_softc(dev); 267 268 adt746x_read(sc->sc_dev, sc->sc_addr, ADT746X_DEVICE_ID, &did); 269 adt746x_read(sc->sc_dev, sc->sc_addr, ADT746X_COMPANY_ID, &cid); 270 adt746x_read(sc->sc_dev, sc->sc_addr, ADT746X_REV_ID, &rev); 271 adt746x_read(sc->sc_dev, sc->sc_addr, ADT746X_CONFIG, &conf); 272 273 device_printf(dev, "Dev ID %#x, Company ID %#x, Rev ID %#x CNF: %#x\n", 274 did, cid, rev, conf); 275 276 /* We can get the device id either from 'of' properties or from the chip 277 itself. This method makes sure we can read the chip, otherwise 278 we return. */ 279 280 sc->device_id = did; 281 282 conf = 1; 283 /* Start the ADT7460. */ 284 if (sc->device_id == ADT7460_DEV_ID) 285 adt746x_write(sc->sc_dev, sc->sc_addr, ADT746X_CONFIG, &conf); 286 287 /* Detect and attach child devices. */ 288 adt746x_attach_fans(dev); 289 adt746x_attach_sensors(dev); 290 config_intrhook_disestablish(&sc->enum_hook); 291 } 292 293 /* 294 * Sensor and fan management 295 */ 296 static int 297 adt746x_fan_set_pwm(struct adt746x_fan *fan, int pwm) 298 { 299 uint8_t reg = 0, manual, mode = 0; 300 struct adt746x_softc *sc; 301 uint8_t buf; 302 303 sc = device_get_softc(fan->dev); 304 305 /* Clamp to allowed range */ 306 pwm = max(fan->fan.min_rpm, pwm); 307 pwm = min(fan->fan.max_rpm, pwm); 308 309 reg = fan->pwm_reg; 310 mode = fan->conf_reg; 311 312 /* From the 7460 datasheet: 313 PWM dutycycle can be programmed from 0% (0x00) to 100% (0xFF) 314 in steps of 0.39% (256 steps). 315 */ 316 buf = (pwm * 100 / 39) - (pwm ? 1 : 0); 317 fan->setpoint = buf; 318 319 /* Manual mode. */ 320 adt746x_read(sc->sc_dev, sc->sc_addr, mode, &manual); 321 manual |= ADT746X_MANUAL_MASK; 322 adt746x_write(sc->sc_dev, sc->sc_addr, mode, &manual); 323 324 /* Write speed. */ 325 adt746x_write(sc->sc_dev, sc->sc_addr, reg, &buf); 326 327 return (0); 328 } 329 330 static int 331 adt746x_fan_get_pwm(struct adt746x_fan *fan) 332 { 333 uint8_t buf, reg; 334 uint16_t pwm; 335 struct adt746x_softc *sc; 336 337 sc = device_get_softc(fan->dev); 338 339 reg = fan->pwm_reg; 340 341 adt746x_read(sc->sc_dev, sc->sc_addr, reg, &buf); 342 343 pwm = (buf * 39 / 100) + (buf ? 1 : 0); 344 return (pwm); 345 } 346 347 static int 348 adt746x_fill_fan_prop(device_t dev) 349 { 350 phandle_t child; 351 struct adt746x_softc *sc; 352 u_int *id; 353 char *location; 354 int i, id_len, len = 0, location_len, prev_len = 0; 355 356 sc = device_get_softc(dev); 357 358 child = ofw_bus_get_node(dev); 359 360 /* Fill the fan location property. */ 361 location_len = OF_getprop_alloc(child, "hwctrl-location", (void **)&location); 362 id_len = OF_getprop_alloc_multi(child, "hwctrl-id", sizeof(cell_t), (void **)&id); 363 if (location_len == -1 || id_len == -1) { 364 OF_prop_free(location); 365 OF_prop_free(id); 366 return 0; 367 } 368 369 /* Fill in all the properties for each fan. */ 370 for (i = 0; i < id_len; i++) { 371 strlcpy(sc->sc_fans[i].fan.name, location + len, 32); 372 prev_len = strlen(location + len) + 1; 373 len += prev_len; 374 sc->sc_fans[i].id = id[i]; 375 if (id[i] == 6) { 376 sc->sc_fans[i].pwm_reg = ADT746X_PWM1; 377 sc->sc_fans[i].conf_reg = ADT746X_PWM1_CONF; 378 } else if (id[i] == 7) { 379 sc->sc_fans[i].pwm_reg = ADT746X_PWM2; 380 sc->sc_fans[i].conf_reg = ADT746X_PWM2_CONF; 381 } else { 382 sc->sc_fans[i].pwm_reg = ADT746X_PWM1 + i; 383 sc->sc_fans[i].conf_reg = ADT746X_PWM1_CONF + i; 384 } 385 sc->sc_fans[i].dev = sc->sc_dev; 386 sc->sc_fans[i].fan.min_rpm = 5; /* Percent */ 387 sc->sc_fans[i].fan.max_rpm = 100; 388 sc->sc_fans[i].fan.read = NULL; 389 sc->sc_fans[i].fan.set = 390 (int (*)(struct pmac_fan *, int))(adt746x_fan_set_pwm); 391 sc->sc_fans[i].fan.default_rpm = sc->sc_fans[i].fan.max_rpm; 392 } 393 OF_prop_free(location); 394 OF_prop_free(id); 395 396 return (i); 397 } 398 399 static int 400 adt746x_fill_sensor_prop(device_t dev) 401 { 402 phandle_t child, node; 403 struct adt746x_softc *sc; 404 char sens_type[32]; 405 int i = 0, reg, sensid; 406 407 sc = device_get_softc(dev); 408 409 child = ofw_bus_get_node(dev); 410 411 /* Fill in the sensor properties for each child. */ 412 for (node = OF_child(child); node != 0; node = OF_peer(node)) { 413 if (OF_getprop(node, "sensor-id", &sensid, sizeof(sensid)) == -1) 414 continue; 415 OF_getprop(node, "location", sc->sc_sensors[i].therm.name, 32); 416 OF_getprop(node, "device_type", sens_type, sizeof(sens_type)); 417 if (strcmp(sens_type, "temperature") == 0) 418 sc->sc_sensors[i].type = ADT746X_SENSOR_TEMP; 419 else if (strcmp(sens_type, "voltage") == 0) 420 sc->sc_sensors[i].type = ADT746X_SENSOR_VOLT; 421 else 422 sc->sc_sensors[i].type = ADT746X_SENSOR_SPEED; 423 OF_getprop(node, "reg", ®, sizeof(reg)); 424 OF_getprop(node, "sensor-id", &sensid, 425 sizeof(sensid)); 426 /* This is the i2c register of the sensor. */ 427 sc->sc_sensors[i].reg = reg; 428 sc->sc_sensors[i].id = sensid; 429 OF_getprop(node, "zone", &sc->sc_sensors[i].therm.zone, 430 sizeof(sc->sc_sensors[i].therm.zone)); 431 sc->sc_sensors[i].dev = dev; 432 sc->sc_sensors[i].therm.read = 433 (int (*)(struct pmac_therm *))adt746x_sensor_read; 434 if (sc->sc_sensors[i].type == ADT746X_SENSOR_TEMP) { 435 /* Make up some ranges */ 436 sc->sc_sensors[i].therm.target_temp = 500 + ZERO_C_TO_K; 437 sc->sc_sensors[i].therm.max_temp = 800 + ZERO_C_TO_K; 438 439 pmac_thermal_sensor_register(&sc->sc_sensors[i].therm); 440 } 441 i++; 442 } 443 444 return (i); 445 } 446 447 static int 448 adt746x_fanrpm_sysctl(SYSCTL_HANDLER_ARGS) 449 { 450 device_t adt; 451 struct adt746x_softc *sc; 452 struct adt746x_fan *fan; 453 int pwm = 0, error; 454 455 adt = arg1; 456 sc = device_get_softc(adt); 457 fan = &sc->sc_fans[arg2]; 458 pwm = adt746x_fan_get_pwm(fan); 459 error = sysctl_handle_int(oidp, &pwm, 0, req); 460 461 if (error || !req->newptr) 462 return (error); 463 464 return (adt746x_fan_set_pwm(fan, pwm)); 465 } 466 467 static void 468 adt746x_attach_fans(device_t dev) 469 { 470 struct adt746x_softc *sc; 471 struct sysctl_oid *oid, *fanroot_oid; 472 struct sysctl_ctx_list *ctx; 473 char sysctl_name[32]; 474 int i, j; 475 476 sc = device_get_softc(dev); 477 478 sc->sc_nfans = 0; 479 480 /* Count the actual number of fans. */ 481 sc->sc_nfans = adt746x_fill_fan_prop(dev); 482 483 device_printf(dev, "%d fans detected!\n", sc->sc_nfans); 484 485 if (sc->sc_nfans == 0) { 486 device_printf(dev, "WARNING: No fans detected!\n"); 487 return; 488 } 489 490 ctx = device_get_sysctl_ctx(dev); 491 fanroot_oid = SYSCTL_ADD_NODE(ctx, 492 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "fans", 493 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "ADT Fan Information"); 494 495 /* Now we can fill the properties into the allocated struct. */ 496 sc->sc_nfans = adt746x_fill_fan_prop(dev); 497 498 /* Register fans with pmac_thermal */ 499 for (i = 0; i < sc->sc_nfans; i++) 500 pmac_thermal_fan_register(&sc->sc_fans[i].fan); 501 502 /* Add sysctls for the fans. */ 503 for (i = 0; i < sc->sc_nfans; i++) { 504 for (j = 0; j < strlen(sc->sc_fans[i].fan.name); j++) { 505 sysctl_name[j] = tolower(sc->sc_fans[i].fan.name[j]); 506 if (isspace(sysctl_name[j])) 507 sysctl_name[j] = '_'; 508 } 509 sysctl_name[j] = 0; 510 511 sc->sc_fans[i].setpoint = 512 adt746x_fan_get_pwm(&sc->sc_fans[i]); 513 514 oid = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(fanroot_oid), 515 OID_AUTO, sysctl_name, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 516 "Fan Information"); 517 518 /* I use i to pass the fan id. */ 519 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 520 "pwm", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, dev, 521 i, adt746x_fanrpm_sysctl, "I", "Fan PWM in %"); 522 } 523 524 /* Dump fan location & type. */ 525 if (bootverbose) { 526 for (i = 0; i < sc->sc_nfans; i++) { 527 device_printf(dev, "Fan location: %s", 528 sc->sc_fans[i].fan.name); 529 device_printf(dev, " id: %d RPM: %d\n", 530 sc->sc_fans[i].id, 531 sc->sc_fans[i].setpoint); 532 } 533 } 534 } 535 536 static int 537 adt746x_sensor_read(struct adt746x_sensor *sens) 538 { 539 struct adt746x_softc *sc; 540 int tmp = 0; 541 uint16_t val; 542 uint8_t data[1], data1[1]; 543 int8_t temp; 544 545 sc = device_get_softc(sens->dev); 546 if (sens->type != ADT746X_SENSOR_SPEED) { 547 if (adt746x_read(sc->sc_dev, sc->sc_addr, sens->reg, 548 &temp) < 0) 549 return (-1); 550 if (sens->type == ADT746X_SENSOR_TEMP) 551 tmp = 10 * temp + ZERO_C_TO_K; 552 else 553 tmp = temp; 554 } else { 555 if (adt746x_read(sc->sc_dev, sc->sc_addr, sens->reg, 556 data) < 0) 557 return (-1); 558 if (adt746x_read(sc->sc_dev, sc->sc_addr, sens->reg + 1, 559 data1) < 0) 560 return (-1); 561 val = data[0] + (data1[0] << 8); 562 /* A value of 0xffff means the fan is stopped. */ 563 if (val == 0 || val == 0xffff) 564 tmp = 0; 565 else 566 tmp = (90000 * 60) / val; 567 } 568 return (tmp); 569 } 570 571 static int 572 adt746x_sensor_sysctl(SYSCTL_HANDLER_ARGS) 573 { 574 device_t dev; 575 struct adt746x_softc *sc; 576 struct adt746x_sensor *sens; 577 int value, error; 578 579 dev = arg1; 580 sc = device_get_softc(dev); 581 sens = &sc->sc_sensors[arg2]; 582 583 value = sens->therm.read(&sens->therm); 584 if (value < 0) 585 return (ENXIO); 586 587 error = sysctl_handle_int(oidp, &value, 0, req); 588 589 return (error); 590 } 591 592 static void 593 adt746x_attach_sensors(device_t dev) 594 { 595 struct adt746x_softc *sc; 596 struct sysctl_oid *oid, *sensroot_oid; 597 struct sysctl_ctx_list *ctx; 598 char sysctl_name[40]; 599 const char *unit; 600 const char *desc; 601 int i, j; 602 603 604 sc = device_get_softc(dev); 605 sc->sc_nsensors = 0; 606 607 /* Count the actual number of sensors. */ 608 sc->sc_nsensors = adt746x_fill_sensor_prop(dev); 609 device_printf(dev, "%d sensors detected!\n", sc->sc_nsensors); 610 if (sc->sc_nsensors == 0) { 611 device_printf(dev, "WARNING: No sensors detected!\n"); 612 return; 613 } 614 615 ctx = device_get_sysctl_ctx(dev); 616 sensroot_oid = SYSCTL_ADD_NODE(ctx, 617 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "sensors", 618 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "ADT Sensor Information"); 619 620 /* Add the sysctl for the sensors. */ 621 for (i = 0; i < sc->sc_nsensors; i++) { 622 for (j = 0; j < strlen(sc->sc_sensors[i].therm.name); j++) { 623 sysctl_name[j] = tolower(sc->sc_sensors[i].therm.name[j]); 624 if (isspace(sysctl_name[j])) 625 sysctl_name[j] = '_'; 626 } 627 sysctl_name[j] = 0; 628 oid = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(sensroot_oid), 629 OID_AUTO, sysctl_name, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 630 "Sensor Information"); 631 if (sc->sc_sensors[i].type == ADT746X_SENSOR_TEMP) { 632 unit = "temp"; 633 desc = "sensor unit (C)"; 634 } else if (sc->sc_sensors[i].type == ADT746X_SENSOR_VOLT) { 635 unit = "volt"; 636 desc = "sensor unit (mV)"; 637 } else { 638 unit = "rpm"; 639 desc = "sensor unit (RPM)"; 640 } 641 /* I use i to pass the sensor id. */ 642 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, 643 unit, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, dev, i, 644 adt746x_sensor_sysctl, 645 sc->sc_sensors[i].type == ADT746X_SENSOR_TEMP ? 646 "IK" : "I", desc); 647 } 648 649 /* Dump sensor location & type. */ 650 if (bootverbose) { 651 for (i = 0; i < sc->sc_nsensors; i++) { 652 device_printf(dev, "Sensor location: %s", 653 sc->sc_sensors[i].therm.name); 654 device_printf(dev, " type: %d id: %d reg: 0x%x\n", 655 sc->sc_sensors[i].type, 656 sc->sc_sensors[i].id, 657 sc->sc_sensors[i].reg); 658 } 659 } 660 }
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