1 /* $NetBSD: dbcool.c,v 1.35 2011/10/02 19:03:56 jmcneill Exp $ */ 2 3 /*- 4 * Copyright (c) 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Paul Goyette 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * a driver for the dbCool(tm) family of environmental controllers 34 * 35 * Data sheets for the various supported chips are available at 36 * 37 * http://www.onsemi.com/pub/Collateral/ADM1027-D.PDF 38 * http://www.onsemi.com/pub/Collateral/ADM1030-D.PDF 39 * http://www.onsemi.com/pub/Collateral/ADT7463-D.PDF 40 * http://www.onsemi.com/pub/Collateral/ADT7466.PDF 41 * http://www.onsemi.com/pub/Collateral/ADT7467-D.PDF 42 * http://www.onsemi.com/pub/Collateral/ADT7468-D.PDF 43 * http://www.onsemi.com/pub/Collateral/ADT7473-D.PDF 44 * http://www.onsemi.com/pub/Collateral/ADT7475-D.PDF 45 * http://www.onsemi.com/pub/Collateral/ADT7476-D.PDF 46 * http://www.onsemi.com/pub/Collateral/ADT7490-D.PDF 47 * http://www.smsc.com/media/Downloads_Public/Data_Sheets/6d103s.pdf 48 * 49 * (URLs are correct as of October 5, 2008) 50 */ 51 52 #include <sys/cdefs.h> 53 __KERNEL_RCSID(0, "$NetBSD: dbcool.c,v 1.35 2011/10/02 19:03:56 jmcneill Exp $"); 54 55 #include <sys/param.h> 56 #include <sys/systm.h> 57 #include <sys/kernel.h> 58 #include <sys/device.h> 59 #include <sys/malloc.h> 60 #include <sys/sysctl.h> 61 #include <sys/module.h> 62 63 #include <dev/i2c/dbcool_var.h> 64 #include <dev/i2c/dbcool_reg.h> 65 66 /* Config interface */ 67 static int dbcool_match(device_t, cfdata_t, void *); 68 static void dbcool_attach(device_t, device_t, void *); 69 static int dbcool_detach(device_t, int); 70 71 /* Device attributes */ 72 static int dbcool_supply_voltage(struct dbcool_softc *); 73 static bool dbcool_islocked(struct dbcool_softc *); 74 75 /* Sensor read functions */ 76 static void dbcool_refresh(struct sysmon_envsys *, envsys_data_t *); 77 static int dbcool_read_rpm(struct dbcool_softc *, uint8_t); 78 static int dbcool_read_temp(struct dbcool_softc *, uint8_t, bool); 79 static int dbcool_read_volt(struct dbcool_softc *, uint8_t, int, bool); 80 81 /* Sensor get/set limit functions */ 82 static void dbcool_get_limits(struct sysmon_envsys *, envsys_data_t *, 83 sysmon_envsys_lim_t *, uint32_t *); 84 static void dbcool_get_temp_limits(struct dbcool_softc *, int, 85 sysmon_envsys_lim_t *, uint32_t *); 86 static void dbcool_get_volt_limits(struct dbcool_softc *, int, 87 sysmon_envsys_lim_t *, uint32_t *); 88 static void dbcool_get_fan_limits(struct dbcool_softc *, int, 89 sysmon_envsys_lim_t *, uint32_t *); 90 91 static void dbcool_set_limits(struct sysmon_envsys *, envsys_data_t *, 92 sysmon_envsys_lim_t *, uint32_t *); 93 static void dbcool_set_temp_limits(struct dbcool_softc *, int, 94 sysmon_envsys_lim_t *, uint32_t *); 95 static void dbcool_set_volt_limits(struct dbcool_softc *, int, 96 sysmon_envsys_lim_t *, uint32_t *); 97 static void dbcool_set_fan_limits(struct dbcool_softc *, int, 98 sysmon_envsys_lim_t *, uint32_t *); 99 100 /* SYSCTL Helpers */ 101 SYSCTL_SETUP_PROTO(sysctl_dbcoolsetup); 102 static int sysctl_dbcool_temp(SYSCTLFN_PROTO); 103 static int sysctl_adm1030_temp(SYSCTLFN_PROTO); 104 static int sysctl_adm1030_trange(SYSCTLFN_PROTO); 105 static int sysctl_dbcool_duty(SYSCTLFN_PROTO); 106 static int sysctl_dbcool_behavior(SYSCTLFN_PROTO); 107 static int sysctl_dbcool_slope(SYSCTLFN_PROTO); 108 static int sysctl_dbcool_thyst(SYSCTLFN_PROTO); 109 110 /* Set-up subroutines */ 111 static void dbcool_setup_controllers(struct dbcool_softc *); 112 static int dbcool_setup_sensors(struct dbcool_softc *); 113 static int dbcool_attach_sensor(struct dbcool_softc *, int); 114 static int dbcool_attach_temp_control(struct dbcool_softc *, int, 115 struct chip_id *); 116 117 #ifdef DBCOOL_DEBUG 118 static int sysctl_dbcool_reg_select(SYSCTLFN_PROTO); 119 static int sysctl_dbcool_reg_access(SYSCTLFN_PROTO); 120 #endif /* DBCOOL_DEBUG */ 121 122 /* 123 * Descriptions for SYSCTL entries 124 */ 125 struct dbc_sysctl_info { 126 const char *name; 127 const char *desc; 128 bool lockable; 129 int (*helper)(SYSCTLFN_PROTO); 130 }; 131 132 static struct dbc_sysctl_info dbc_sysctl_table[] = { 133 /* 134 * The first several entries must remain in the same order as the 135 * corresponding entries in enum dbc_pwm_params 136 */ 137 { "behavior", "operating behavior and temp selector", 138 true, sysctl_dbcool_behavior }, 139 { "min_duty", "minimum fan controller PWM duty cycle", 140 true, sysctl_dbcool_duty }, 141 { "max_duty", "maximum fan controller PWM duty cycle", 142 true, sysctl_dbcool_duty }, 143 { "cur_duty", "current fan controller PWM duty cycle", 144 false, sysctl_dbcool_duty }, 145 146 /* 147 * The rest of these should be in the order in which they 148 * are to be stored in the sysctl tree; the table index is 149 * used as the high-order bits of the sysctl_num to maintain 150 * the sequence. 151 * 152 * If you rearrange the order of these items, be sure to 153 * update the sysctl_index in the XXX_sensor_table[] for 154 * the various chips! 155 */ 156 { "Trange", "temp slope/range to reach 100% duty cycle", 157 true, sysctl_dbcool_slope }, 158 { "Tmin", "temp at which to start fan controller", 159 true, sysctl_dbcool_temp }, 160 { "Ttherm", "temp at which THERM is asserted", 161 true, sysctl_dbcool_temp }, 162 { "Thyst", "temp hysteresis for stopping fan controller", 163 true, sysctl_dbcool_thyst }, 164 { "Tmin", "temp at which to start fan controller", 165 true, sysctl_adm1030_temp }, 166 { "Trange", "temp slope/range to reach 100% duty cycle", 167 true, sysctl_adm1030_trange }, 168 }; 169 170 static const char *dbc_sensor_names[] = { 171 "l_temp", "r1_temp", "r2_temp", "Vccp", "Vcc", "fan1", 172 "fan2", "fan3", "fan4", "AIN1", "AIN2", "V2dot5", 173 "V5", "V12", "Vtt", "Imon", "VID" 174 }; 175 176 /* 177 * Following table derived from product data-sheets 178 */ 179 static int64_t nominal_voltages[] = { 180 -1, /* Vcc can be either 3.3 or 5.0V 181 at 3/4 scale */ 182 2249939, /* Vccp 2.25V 3/4 scale */ 183 2497436, /* 2.5VIN 2.5V 3/4 scale */ 184 5002466, /* 5VIN 5V 3/4 scale */ 185 12000000, /* 12VIN 12V 3/4 scale */ 186 1690809, /* Vtt, Imon 2.25V full scale */ 187 1689600, /* AIN1, AIN2 2.25V full scale */ 188 0 189 }; 190 191 /* 192 * Sensor-type, { val-reg, hilim-reg, lolim-reg}, name-idx, sysctl-table-idx, 193 * nom-voltage-index 194 */ 195 struct dbcool_sensor ADT7490_sensor_table[] = { 196 { DBC_TEMP, { DBCOOL_LOCAL_TEMP, 197 DBCOOL_LOCAL_HIGHLIM, 198 DBCOOL_LOCAL_LOWLIM }, 0, 0, 0 }, 199 { DBC_TEMP, { DBCOOL_REMOTE1_TEMP, 200 DBCOOL_REMOTE1_HIGHLIM, 201 DBCOOL_REMOTE1_LOWLIM }, 1, 0, 0 }, 202 { DBC_TEMP, { DBCOOL_REMOTE2_TEMP, 203 DBCOOL_REMOTE2_HIGHLIM, 204 DBCOOL_REMOTE2_LOWLIM }, 2, 0, 0 }, 205 { DBC_VOLT, { DBCOOL_VCCP, 206 DBCOOL_VCCP_HIGHLIM, 207 DBCOOL_VCCP_LOWLIM }, 3, 0, 1 }, 208 { DBC_VOLT, { DBCOOL_VCC, 209 DBCOOL_VCC_HIGHLIM, 210 DBCOOL_VCC_LOWLIM }, 4, 0, 0 }, 211 { DBC_VOLT, { DBCOOL_25VIN, 212 DBCOOL_25VIN_HIGHLIM, 213 DBCOOL_25VIN_LOWLIM }, 11, 0, 2 }, 214 { DBC_VOLT, { DBCOOL_5VIN, 215 DBCOOL_5VIN_HIGHLIM, 216 DBCOOL_5VIN_LOWLIM }, 12, 0, 3 }, 217 { DBC_VOLT, { DBCOOL_12VIN, 218 DBCOOL_12VIN_HIGHLIM, 219 DBCOOL_12VIN_LOWLIM }, 13, 0, 4 }, 220 { DBC_VOLT, { DBCOOL_VTT, 221 DBCOOL_VTT_HIGHLIM, 222 DBCOOL_VTT_LOWLIM }, 14, 0, 5 }, 223 { DBC_VOLT, { DBCOOL_IMON, 224 DBCOOL_IMON_HIGHLIM, 225 DBCOOL_IMON_LOWLIM }, 15, 0, 5 }, 226 { DBC_FAN, { DBCOOL_FAN1_TACH_LSB, 227 DBCOOL_NO_REG, 228 DBCOOL_TACH1_MIN_LSB }, 5, 0, 0 }, 229 { DBC_FAN, { DBCOOL_FAN2_TACH_LSB, 230 DBCOOL_NO_REG, 231 DBCOOL_TACH2_MIN_LSB }, 6, 0, 0 }, 232 { DBC_FAN, { DBCOOL_FAN3_TACH_LSB, 233 DBCOOL_NO_REG, 234 DBCOOL_TACH3_MIN_LSB }, 7, 0, 0 }, 235 { DBC_FAN, { DBCOOL_FAN4_TACH_LSB, 236 DBCOOL_NO_REG, 237 DBCOOL_TACH4_MIN_LSB }, 8, 0, 0 }, 238 { DBC_VID, { DBCOOL_VID_REG, 239 DBCOOL_NO_REG, 240 DBCOOL_NO_REG }, 16, 0, 0 }, 241 { DBC_CTL, { DBCOOL_LOCAL_TMIN, 242 DBCOOL_NO_REG, 243 DBCOOL_NO_REG }, 0, 5, 0 }, 244 { DBC_CTL, { DBCOOL_LOCAL_TTHRESH, 245 DBCOOL_NO_REG, 246 DBCOOL_NO_REG }, 0, 6, 0 }, 247 { DBC_CTL, { DBCOOL_R1_LCL_TMIN_HYST | 0x80, 248 DBCOOL_NO_REG, 249 DBCOOL_NO_REG }, 0, 7, 0 }, 250 { DBC_CTL, { DBCOOL_REMOTE1_TMIN, 251 DBCOOL_NO_REG, 252 DBCOOL_NO_REG }, 1, 5, 0 }, 253 { DBC_CTL, { DBCOOL_REMOTE1_TTHRESH, 254 DBCOOL_NO_REG, 255 DBCOOL_NO_REG }, 1, 6, 0 }, 256 { DBC_CTL, { DBCOOL_R1_LCL_TMIN_HYST, 257 DBCOOL_NO_REG, 258 DBCOOL_NO_REG }, 1, 7, 0 }, 259 { DBC_CTL, { DBCOOL_REMOTE2_TMIN, 260 DBCOOL_NO_REG, 261 DBCOOL_NO_REG }, 2, 5, 0 }, 262 { DBC_CTL, { DBCOOL_REMOTE2_TTHRESH, 263 DBCOOL_NO_REG, 264 DBCOOL_NO_REG }, 2, 6, 0 }, 265 { DBC_CTL, { DBCOOL_R2_TMIN_HYST, 266 DBCOOL_NO_REG, 267 DBCOOL_NO_REG }, 2, 7, 0 }, 268 { DBC_EOF, { 0, 0, 0 }, 0, 0, 0 } 269 }; 270 271 struct dbcool_sensor ADT7476_sensor_table[] = { 272 { DBC_TEMP, { DBCOOL_LOCAL_TEMP, 273 DBCOOL_LOCAL_HIGHLIM, 274 DBCOOL_LOCAL_LOWLIM }, 0, 0, 0 }, 275 { DBC_TEMP, { DBCOOL_REMOTE1_TEMP, 276 DBCOOL_REMOTE1_HIGHLIM, 277 DBCOOL_REMOTE1_LOWLIM }, 1, 0, 0 }, 278 { DBC_TEMP, { DBCOOL_REMOTE2_TEMP, 279 DBCOOL_REMOTE2_HIGHLIM, 280 DBCOOL_REMOTE2_LOWLIM }, 2, 0, 0 }, 281 { DBC_VOLT, { DBCOOL_VCCP, 282 DBCOOL_VCCP_HIGHLIM, 283 DBCOOL_VCCP_LOWLIM }, 3, 0, 1 }, 284 { DBC_VOLT, { DBCOOL_VCC, 285 DBCOOL_VCC_HIGHLIM, 286 DBCOOL_VCC_LOWLIM }, 4, 0, 0 }, 287 { DBC_VOLT, { DBCOOL_25VIN, 288 DBCOOL_25VIN_HIGHLIM, 289 DBCOOL_25VIN_LOWLIM }, 11, 0, 2 }, 290 { DBC_VOLT, { DBCOOL_5VIN, 291 DBCOOL_5VIN_HIGHLIM, 292 DBCOOL_5VIN_LOWLIM }, 12, 0, 3 }, 293 { DBC_VOLT, { DBCOOL_12VIN, 294 DBCOOL_12VIN_HIGHLIM, 295 DBCOOL_12VIN_LOWLIM }, 13, 0, 4 }, 296 { DBC_FAN, { DBCOOL_FAN1_TACH_LSB, 297 DBCOOL_NO_REG, 298 DBCOOL_TACH1_MIN_LSB }, 5, 0, 0 }, 299 { DBC_FAN, { DBCOOL_FAN2_TACH_LSB, 300 DBCOOL_NO_REG, 301 DBCOOL_TACH2_MIN_LSB }, 6, 0, 0 }, 302 { DBC_FAN, { DBCOOL_FAN3_TACH_LSB, 303 DBCOOL_NO_REG, 304 DBCOOL_TACH3_MIN_LSB }, 7, 0, 0 }, 305 { DBC_FAN, { DBCOOL_FAN4_TACH_LSB, 306 DBCOOL_NO_REG, 307 DBCOOL_TACH4_MIN_LSB }, 8, 0, 0 }, 308 { DBC_VID, { DBCOOL_VID_REG, 309 DBCOOL_NO_REG, 310 DBCOOL_NO_REG }, 16, 0, 0 }, 311 { DBC_CTL, { DBCOOL_LOCAL_TMIN, 312 DBCOOL_NO_REG, 313 DBCOOL_NO_REG }, 0, 5, 0 }, 314 { DBC_CTL, { DBCOOL_LOCAL_TTHRESH, 315 DBCOOL_NO_REG, 316 DBCOOL_NO_REG }, 0, 6, 0 }, 317 { DBC_CTL, { DBCOOL_R1_LCL_TMIN_HYST | 0x80, 318 DBCOOL_NO_REG, 319 DBCOOL_NO_REG }, 0, 7, 0 }, 320 { DBC_CTL, { DBCOOL_REMOTE1_TMIN, 321 DBCOOL_NO_REG, 322 DBCOOL_NO_REG }, 1, 5, 0 }, 323 { DBC_CTL, { DBCOOL_REMOTE1_TTHRESH, 324 DBCOOL_NO_REG, 325 DBCOOL_NO_REG }, 1, 6, 0 }, 326 { DBC_CTL, { DBCOOL_R1_LCL_TMIN_HYST, 327 DBCOOL_NO_REG, 328 DBCOOL_NO_REG }, 1, 7, 0 }, 329 { DBC_CTL, { DBCOOL_REMOTE2_TMIN, 330 DBCOOL_NO_REG, 331 DBCOOL_NO_REG }, 2, 5, 0 }, 332 { DBC_CTL, { DBCOOL_REMOTE2_TTHRESH, 333 DBCOOL_NO_REG, 334 DBCOOL_NO_REG }, 2, 6, 0 }, 335 { DBC_CTL, { DBCOOL_R2_TMIN_HYST, 336 DBCOOL_NO_REG, 337 DBCOOL_NO_REG }, 2, 7, 0 }, 338 { DBC_EOF, { 0, 0, 0 }, 0, 0, 0 } 339 }; 340 341 struct dbcool_sensor ADT7475_sensor_table[] = { 342 { DBC_TEMP, { DBCOOL_LOCAL_TEMP, 343 DBCOOL_LOCAL_HIGHLIM, 344 DBCOOL_LOCAL_LOWLIM }, 0, 0, 0 }, 345 { DBC_TEMP, { DBCOOL_REMOTE1_TEMP, 346 DBCOOL_REMOTE1_HIGHLIM, 347 DBCOOL_REMOTE1_LOWLIM }, 1, 0, 0 }, 348 { DBC_TEMP, { DBCOOL_REMOTE2_TEMP, 349 DBCOOL_REMOTE2_HIGHLIM, 350 DBCOOL_REMOTE2_LOWLIM }, 2, 0, 0 }, 351 { DBC_VOLT, { DBCOOL_VCCP, 352 DBCOOL_VCCP_HIGHLIM, 353 DBCOOL_VCCP_LOWLIM }, 3, 0, 1 }, 354 { DBC_VOLT, { DBCOOL_VCC, 355 DBCOOL_VCC_HIGHLIM, 356 DBCOOL_VCC_LOWLIM }, 4, 0, 0 }, 357 { DBC_FAN, { DBCOOL_FAN1_TACH_LSB, 358 DBCOOL_NO_REG, 359 DBCOOL_TACH1_MIN_LSB }, 5, 0, 0 }, 360 { DBC_FAN, { DBCOOL_FAN2_TACH_LSB, 361 DBCOOL_NO_REG, 362 DBCOOL_TACH2_MIN_LSB }, 6, 0, 0 }, 363 { DBC_FAN, { DBCOOL_FAN3_TACH_LSB, 364 DBCOOL_NO_REG, 365 DBCOOL_TACH3_MIN_LSB }, 7, 0, 0 }, 366 { DBC_FAN, { DBCOOL_FAN4_TACH_LSB, 367 DBCOOL_NO_REG, 368 DBCOOL_TACH4_MIN_LSB }, 8, 0, 0 }, 369 { DBC_CTL, { DBCOOL_LOCAL_TMIN, 370 DBCOOL_NO_REG, 371 DBCOOL_NO_REG }, 0, 5, 0 }, 372 { DBC_CTL, { DBCOOL_LOCAL_TTHRESH, 373 DBCOOL_NO_REG, 374 DBCOOL_NO_REG }, 0, 6, 0 }, 375 { DBC_CTL, { DBCOOL_R1_LCL_TMIN_HYST | 0x80, 376 DBCOOL_NO_REG, 377 DBCOOL_NO_REG }, 0, 7, 0 }, 378 { DBC_CTL, { DBCOOL_REMOTE1_TMIN, 379 DBCOOL_NO_REG, 380 DBCOOL_NO_REG }, 1, 5, 0 }, 381 { DBC_CTL, { DBCOOL_REMOTE1_TTHRESH, 382 DBCOOL_NO_REG, 383 DBCOOL_NO_REG }, 1, 6, 0 }, 384 { DBC_CTL, { DBCOOL_R1_LCL_TMIN_HYST, 385 DBCOOL_NO_REG, 386 DBCOOL_NO_REG }, 1, 7, 0 }, 387 { DBC_CTL, { DBCOOL_REMOTE2_TMIN, 388 DBCOOL_NO_REG, 389 DBCOOL_NO_REG }, 2, 5, 0 }, 390 { DBC_CTL, { DBCOOL_REMOTE2_TTHRESH, 391 DBCOOL_NO_REG, 392 DBCOOL_NO_REG }, 2, 6, 0 }, 393 { DBC_CTL, { DBCOOL_R2_TMIN_HYST, 394 DBCOOL_NO_REG, 395 DBCOOL_NO_REG }, 2, 7, 0 }, 396 { DBC_EOF, { 0, 0, 0 }, 0, 0, 0 } 397 }; 398 399 /* 400 * The registers of dbcool_power_control must be in the same order as 401 * in enum dbc_pwm_params 402 */ 403 struct dbcool_power_control ADT7475_power_table[] = { 404 { { DBCOOL_PWM1_CTL, DBCOOL_PWM1_MINDUTY, 405 DBCOOL_PWM1_MAXDUTY, DBCOOL_PWM1_CURDUTY }, 406 "fan_control_1" }, 407 { { DBCOOL_PWM2_CTL, DBCOOL_PWM2_MINDUTY, 408 DBCOOL_PWM2_MAXDUTY, DBCOOL_PWM2_CURDUTY }, 409 "fan_control_2" }, 410 { { DBCOOL_PWM3_CTL, DBCOOL_PWM3_MINDUTY, 411 DBCOOL_PWM3_MAXDUTY, DBCOOL_PWM3_CURDUTY }, 412 "fan_control_3" }, 413 { { 0, 0, 0, 0 }, NULL } 414 }; 415 416 struct dbcool_sensor ADT7466_sensor_table[] = { 417 { DBC_TEMP, { DBCOOL_ADT7466_LCL_TEMP_MSB, 418 DBCOOL_ADT7466_LCL_TEMP_HILIM, 419 DBCOOL_ADT7466_LCL_TEMP_LOLIM }, 0, 0, 0 }, 420 { DBC_TEMP, { DBCOOL_ADT7466_REM_TEMP_MSB, 421 DBCOOL_ADT7466_REM_TEMP_HILIM, 422 DBCOOL_ADT7466_REM_TEMP_LOLIM }, 1, 0, 0 }, 423 { DBC_VOLT, { DBCOOL_ADT7466_VCC, 424 DBCOOL_ADT7466_VCC_HILIM, 425 DBCOOL_ADT7466_VCC_LOLIM }, 4, 0, 0 }, 426 { DBC_VOLT, { DBCOOL_ADT7466_AIN1, 427 DBCOOL_ADT7466_AIN1_HILIM, 428 DBCOOL_ADT7466_AIN1_LOLIM }, 9, 0, 6 }, 429 { DBC_VOLT, { DBCOOL_ADT7466_AIN2, 430 DBCOOL_ADT7466_AIN2_HILIM, 431 DBCOOL_ADT7466_AIN2_LOLIM }, 10, 0, 6 }, 432 { DBC_FAN, { DBCOOL_ADT7466_FANA_LSB, 433 DBCOOL_NO_REG, 434 DBCOOL_ADT7466_FANA_LOLIM_LSB }, 5, 0, 0 }, 435 { DBC_FAN, { DBCOOL_ADT7466_FANB_LSB, 436 DBCOOL_NO_REG, 437 DBCOOL_ADT7466_FANB_LOLIM_LSB }, 6, 0, 0 }, 438 { DBC_EOF, { 0, 0, 0 }, 0, 0, 0 } 439 }; 440 441 struct dbcool_sensor ADM1027_sensor_table[] = { 442 { DBC_TEMP, { DBCOOL_LOCAL_TEMP, 443 DBCOOL_LOCAL_HIGHLIM, 444 DBCOOL_LOCAL_LOWLIM }, 0, 0, 0 }, 445 { DBC_TEMP, { DBCOOL_REMOTE1_TEMP, 446 DBCOOL_REMOTE1_HIGHLIM, 447 DBCOOL_REMOTE1_LOWLIM }, 1, 0, 0 }, 448 { DBC_TEMP, { DBCOOL_REMOTE2_TEMP, 449 DBCOOL_REMOTE2_HIGHLIM, 450 DBCOOL_REMOTE2_LOWLIM }, 2, 0, 0 }, 451 { DBC_VOLT, { DBCOOL_VCCP, 452 DBCOOL_VCCP_HIGHLIM, 453 DBCOOL_VCCP_LOWLIM }, 3, 0, 1 }, 454 { DBC_VOLT, { DBCOOL_VCC, 455 DBCOOL_VCC_HIGHLIM, 456 DBCOOL_VCC_LOWLIM }, 4, 0, 0 }, 457 { DBC_VOLT, { DBCOOL_25VIN, 458 DBCOOL_25VIN_HIGHLIM, 459 DBCOOL_25VIN_LOWLIM }, 11, 0, 2 }, 460 { DBC_VOLT, { DBCOOL_5VIN, 461 DBCOOL_5VIN_HIGHLIM, 462 DBCOOL_5VIN_LOWLIM }, 12, 0, 3 }, 463 { DBC_VOLT, { DBCOOL_12VIN, 464 DBCOOL_12VIN_HIGHLIM, 465 DBCOOL_12VIN_LOWLIM }, 13, 0, 4 }, 466 { DBC_FAN, { DBCOOL_FAN1_TACH_LSB, 467 DBCOOL_NO_REG, 468 DBCOOL_TACH1_MIN_LSB }, 5, 0, 0 }, 469 { DBC_FAN, { DBCOOL_FAN2_TACH_LSB, 470 DBCOOL_NO_REG, 471 DBCOOL_TACH2_MIN_LSB }, 6, 0, 0 }, 472 { DBC_FAN, { DBCOOL_FAN3_TACH_LSB, 473 DBCOOL_NO_REG, 474 DBCOOL_TACH3_MIN_LSB }, 7, 0, 0 }, 475 { DBC_FAN, { DBCOOL_FAN4_TACH_LSB, 476 DBCOOL_NO_REG, 477 DBCOOL_TACH4_MIN_LSB }, 8, 0, 0 }, 478 { DBC_VID, { DBCOOL_VID_REG, 479 DBCOOL_NO_REG, 480 DBCOOL_NO_REG }, 16, 0, 0 }, 481 { DBC_CTL, { DBCOOL_LOCAL_TMIN, 482 DBCOOL_NO_REG, 483 DBCOOL_NO_REG }, 0, 5, 0 }, 484 { DBC_CTL, { DBCOOL_LOCAL_TTHRESH, 485 DBCOOL_NO_REG, 486 DBCOOL_NO_REG }, 0, 6, 0 }, 487 { DBC_CTL, { DBCOOL_R1_LCL_TMIN_HYST | 0x80, 488 DBCOOL_NO_REG, 489 DBCOOL_NO_REG }, 0, 7, 0 }, 490 { DBC_CTL, { DBCOOL_REMOTE1_TMIN, 491 DBCOOL_NO_REG, 492 DBCOOL_NO_REG }, 1, 5, 0 }, 493 { DBC_CTL, { DBCOOL_REMOTE1_TTHRESH, 494 DBCOOL_NO_REG, 495 DBCOOL_NO_REG }, 1, 6, 0 }, 496 { DBC_CTL, { DBCOOL_R1_LCL_TMIN_HYST, 497 DBCOOL_NO_REG, 498 DBCOOL_NO_REG }, 1, 7, 0 }, 499 { DBC_CTL, { DBCOOL_REMOTE2_TMIN, 500 DBCOOL_NO_REG, 501 DBCOOL_NO_REG }, 2, 5, 0 }, 502 { DBC_CTL, { DBCOOL_REMOTE2_TTHRESH, 503 DBCOOL_NO_REG, 504 DBCOOL_NO_REG }, 2, 6, 0 }, 505 { DBC_CTL, { DBCOOL_R2_TMIN_HYST, 506 DBCOOL_NO_REG, 507 DBCOOL_NO_REG }, 2, 7, 0 }, 508 { DBC_EOF, { 0, 0, 0 }, 0, 0, 0 } 509 }; 510 511 struct dbcool_sensor ADM1030_sensor_table[] = { 512 { DBC_TEMP, { DBCOOL_ADM1030_L_TEMP, 513 DBCOOL_ADM1030_L_HI_LIM, 514 DBCOOL_ADM1030_L_LO_LIM }, 0, 0, 0 }, 515 { DBC_TEMP, { DBCOOL_ADM1030_R_TEMP, 516 DBCOOL_ADM1030_R_HI_LIM, 517 DBCOOL_ADM1030_R_LO_LIM }, 1, 0, 0 }, 518 { DBC_FAN, { DBCOOL_ADM1030_FAN_TACH, 519 DBCOOL_NO_REG, 520 DBCOOL_ADM1030_FAN_LO_LIM }, 5, 0, 0 }, 521 { DBC_CTL, { DBCOOL_ADM1030_L_TMIN, 522 DBCOOL_NO_REG, 523 DBCOOL_NO_REG }, 0, 8, 0 }, 524 { DBC_CTL, { DBCOOL_ADM1030_L_TTHRESH, 525 DBCOOL_NO_REG, 526 DBCOOL_NO_REG }, 0, 9, 0 }, 527 { DBC_CTL, { DBCOOL_ADM1030_L_TTHRESH, 528 DBCOOL_NO_REG, 529 DBCOOL_NO_REG }, 0, 6, 0 }, 530 { DBC_CTL, { DBCOOL_ADM1030_R_TMIN, 531 DBCOOL_NO_REG, 532 DBCOOL_NO_REG }, 1, 8, 0 }, 533 { DBC_CTL, { DBCOOL_ADM1030_R_TTHRESH, 534 DBCOOL_NO_REG, 535 DBCOOL_NO_REG }, 1, 9, 0 }, 536 { DBC_CTL, { DBCOOL_ADM1030_R_TTHRESH, 537 DBCOOL_NO_REG, 538 DBCOOL_NO_REG }, 1, 6, 0 }, 539 { DBC_EOF, {0, 0, 0 }, 0, 0, 0 } 540 }; 541 542 struct dbcool_power_control ADM1030_power_table[] = { 543 { { DBCOOL_ADM1030_CFG1, DBCOOL_NO_REG, DBCOOL_NO_REG, 544 DBCOOL_ADM1030_FAN_SPEED_CFG }, 545 "fan_control_1" }, 546 { { 0, 0, 0, 0 }, NULL } 547 }; 548 549 struct dbcool_sensor ADM1031_sensor_table[] = { 550 { DBC_TEMP, { DBCOOL_ADM1030_L_TEMP, 551 DBCOOL_ADM1030_L_HI_LIM, 552 DBCOOL_ADM1030_L_LO_LIM }, 0, 0, 0 }, 553 { DBC_TEMP, { DBCOOL_ADM1030_R_TEMP, 554 DBCOOL_ADM1030_R_HI_LIM, 555 DBCOOL_ADM1030_R_LO_LIM }, 1, 0, 0 }, 556 { DBC_TEMP, { DBCOOL_ADM1031_R2_TEMP, 557 DBCOOL_ADM1031_R2_HI_LIM, 558 DBCOOL_ADM1031_R2_LO_LIM }, 2, 0, 0 }, 559 { DBC_FAN, { DBCOOL_ADM1030_FAN_TACH, 560 DBCOOL_NO_REG, 561 DBCOOL_ADM1030_FAN_LO_LIM }, 5, 0, 0 }, 562 { DBC_FAN, { DBCOOL_ADM1031_FAN2_TACH, 563 DBCOOL_NO_REG, 564 DBCOOL_ADM1031_FAN2_LO_LIM }, 6, 0, 0 }, 565 { DBC_CTL, { DBCOOL_ADM1030_L_TMIN, 566 DBCOOL_NO_REG, 567 DBCOOL_NO_REG }, 0, 8, 0 }, 568 { DBC_CTL, { DBCOOL_ADM1030_L_TTHRESH, 569 DBCOOL_NO_REG, 570 DBCOOL_NO_REG }, 0, 9, 0 }, 571 { DBC_CTL, { DBCOOL_ADM1030_L_TTHRESH, 572 DBCOOL_NO_REG, 573 DBCOOL_NO_REG }, 0, 6, 0 }, 574 { DBC_CTL, { DBCOOL_ADM1030_R_TMIN, 575 DBCOOL_NO_REG, 576 DBCOOL_NO_REG }, 1, 8, 0 }, 577 { DBC_CTL, { DBCOOL_ADM1030_R_TTHRESH, 578 DBCOOL_NO_REG, 579 DBCOOL_NO_REG }, 1, 9, 0 }, 580 { DBC_CTL, { DBCOOL_ADM1030_R_TTHRESH, 581 DBCOOL_NO_REG, 582 DBCOOL_NO_REG }, 1, 6, 0 }, 583 { DBC_CTL, { DBCOOL_ADM1031_R2_TMIN, 584 DBCOOL_NO_REG, 585 DBCOOL_NO_REG }, 2, 8, 0 }, 586 { DBC_CTL, { DBCOOL_ADM1031_R2_TTHRESH, 587 DBCOOL_NO_REG, 588 DBCOOL_NO_REG }, 2, 9, 0 }, 589 { DBC_CTL, { DBCOOL_ADM1031_R2_TTHRESH, 590 DBCOOL_NO_REG, 591 DBCOOL_NO_REG }, 2, 6, 0 }, 592 { DBC_EOF, {0, 0, 0 }, 0, 0, 0 } 593 }; 594 595 struct dbcool_power_control ADM1031_power_table[] = { 596 { { DBCOOL_ADM1030_CFG1, DBCOOL_NO_REG, DBCOOL_NO_REG, 597 DBCOOL_ADM1030_FAN_SPEED_CFG }, 598 "fan_control_1" }, 599 { { DBCOOL_ADM1030_CFG1, DBCOOL_NO_REG, DBCOOL_NO_REG, 600 DBCOOL_ADM1030_FAN_SPEED_CFG }, 601 "fan_control_2" }, 602 { { 0, 0, 0, 0 }, NULL } 603 }; 604 605 struct dbcool_sensor EMC6D103S_sensor_table[] = { 606 { DBC_TEMP, { DBCOOL_LOCAL_TEMP, 607 DBCOOL_LOCAL_HIGHLIM, 608 DBCOOL_LOCAL_LOWLIM }, 0, 0, 0 }, 609 { DBC_TEMP, { DBCOOL_REMOTE1_TEMP, 610 DBCOOL_REMOTE1_HIGHLIM, 611 DBCOOL_REMOTE1_LOWLIM }, 1, 0, 0 }, 612 { DBC_TEMP, { DBCOOL_REMOTE2_TEMP, 613 DBCOOL_REMOTE2_HIGHLIM, 614 DBCOOL_REMOTE2_LOWLIM }, 2, 0, 0 }, 615 { DBC_VOLT, { DBCOOL_VCCP, 616 DBCOOL_VCCP_HIGHLIM, 617 DBCOOL_VCCP_LOWLIM }, 3, 0, 1 }, 618 { DBC_VOLT, { DBCOOL_VCC, 619 DBCOOL_VCC_HIGHLIM, 620 DBCOOL_VCC_LOWLIM }, 4, 0, 0 }, 621 { DBC_VOLT, { DBCOOL_25VIN, 622 DBCOOL_25VIN_HIGHLIM, 623 DBCOOL_25VIN_LOWLIM }, 11, 0, 2 }, 624 { DBC_VOLT, { DBCOOL_5VIN, 625 DBCOOL_5VIN_HIGHLIM, 626 DBCOOL_5VIN_LOWLIM }, 12, 0, 3 }, 627 { DBC_VOLT, { DBCOOL_12VIN, 628 DBCOOL_12VIN_HIGHLIM, 629 DBCOOL_12VIN_LOWLIM }, 13, 0, 4 }, 630 { DBC_FAN, { DBCOOL_FAN1_TACH_LSB, 631 DBCOOL_NO_REG, 632 DBCOOL_TACH1_MIN_LSB }, 5, 0, 0 }, 633 { DBC_FAN, { DBCOOL_FAN2_TACH_LSB, 634 DBCOOL_NO_REG, 635 DBCOOL_TACH2_MIN_LSB }, 6, 0, 0 }, 636 { DBC_FAN, { DBCOOL_FAN3_TACH_LSB, 637 DBCOOL_NO_REG, 638 DBCOOL_TACH3_MIN_LSB }, 7, 0, 0 }, 639 { DBC_FAN, { DBCOOL_FAN4_TACH_LSB, 640 DBCOOL_NO_REG, 641 DBCOOL_TACH4_MIN_LSB }, 8, 0, 0 }, 642 { DBC_VID, { DBCOOL_VID_REG, 643 DBCOOL_NO_REG, 644 DBCOOL_NO_REG }, 16, 0, 0 }, 645 { DBC_CTL, { DBCOOL_LOCAL_TMIN, 646 DBCOOL_NO_REG, 647 DBCOOL_NO_REG }, 0, 5, 0 }, 648 { DBC_CTL, { DBCOOL_LOCAL_TTHRESH, 649 DBCOOL_NO_REG, 650 DBCOOL_NO_REG }, 0, 6, 0 }, 651 { DBC_CTL, { DBCOOL_REMOTE1_TMIN, 652 DBCOOL_NO_REG, 653 DBCOOL_NO_REG }, 1, 5, 0 }, 654 { DBC_CTL, { DBCOOL_REMOTE1_TTHRESH, 655 DBCOOL_NO_REG, 656 DBCOOL_NO_REG }, 1, 6, 0 }, 657 { DBC_CTL, { DBCOOL_REMOTE2_TMIN, 658 DBCOOL_NO_REG, 659 DBCOOL_NO_REG }, 2, 5, 0 }, 660 { DBC_CTL, { DBCOOL_REMOTE2_TTHRESH, 661 DBCOOL_NO_REG, 662 DBCOOL_NO_REG }, 2, 6, 0 }, 663 { DBC_EOF, { 0, 0, 0 }, 0, 0, 0 } 664 }; 665 666 struct chip_id chip_table[] = { 667 { DBCOOL_COMPANYID, ADT7490_DEVICEID, ADT7490_REV_ID, 668 ADT7490_sensor_table, ADT7475_power_table, 669 DBCFLAG_TEMPOFFSET | DBCFLAG_HAS_MAXDUTY | DBCFLAG_HAS_PECI, 670 90000 * 60, "ADT7490" }, 671 { DBCOOL_COMPANYID, ADT7476_DEVICEID, 0xff, 672 ADT7476_sensor_table, ADT7475_power_table, 673 DBCFLAG_TEMPOFFSET | DBCFLAG_HAS_MAXDUTY, 674 90000 * 60, "ADT7476" }, 675 { DBCOOL_COMPANYID, ADT7475_DEVICEID, 0xff, 676 ADT7475_sensor_table, ADT7475_power_table, 677 DBCFLAG_TEMPOFFSET | DBCFLAG_HAS_MAXDUTY | DBCFLAG_HAS_SHDN, 678 90000 * 60, "ADT7475" }, 679 { DBCOOL_COMPANYID, ADT7473_DEVICEID, ADT7473_REV_ID1, 680 ADT7475_sensor_table, ADT7475_power_table, 681 DBCFLAG_TEMPOFFSET | DBCFLAG_HAS_MAXDUTY | DBCFLAG_HAS_SHDN, 682 90000 * 60, "ADT7460/ADT7463" }, 683 { DBCOOL_COMPANYID, ADT7473_DEVICEID, ADT7473_REV_ID2, 684 ADT7475_sensor_table, ADT7475_power_table, 685 DBCFLAG_TEMPOFFSET | DBCFLAG_HAS_MAXDUTY | DBCFLAG_HAS_SHDN, 686 90000 * 60, "ADT7463-1" }, 687 { DBCOOL_COMPANYID, ADT7468_DEVICEID, 0xff, 688 ADT7476_sensor_table, ADT7475_power_table, 689 DBCFLAG_TEMPOFFSET | DBCFLAG_MULTI_VCC | DBCFLAG_HAS_MAXDUTY | 690 DBCFLAG_4BIT_VER | DBCFLAG_HAS_SHDN, 691 90000 * 60, "ADT7467/ADT7468" }, 692 { DBCOOL_COMPANYID, ADT7466_DEVICEID, 0xff, 693 ADT7466_sensor_table, NULL, 694 DBCFLAG_ADT7466 | DBCFLAG_TEMPOFFSET | DBCFLAG_HAS_SHDN, 695 82000 * 60, "ADT7466" }, 696 { DBCOOL_COMPANYID, ADT7463_DEVICEID, ADT7463_REV_ID1, 697 ADM1027_sensor_table, ADT7475_power_table, 698 DBCFLAG_MULTI_VCC | DBCFLAG_4BIT_VER | DBCFLAG_HAS_SHDN, 699 90000 * 60, "ADT7463" }, 700 { DBCOOL_COMPANYID, ADT7463_DEVICEID, ADT7463_REV_ID2, 701 ADM1027_sensor_table, ADT7475_power_table, 702 DBCFLAG_MULTI_VCC | DBCFLAG_4BIT_VER | DBCFLAG_HAS_SHDN | 703 DBCFLAG_HAS_VID_SEL, 704 90000 * 60, "ADT7463" }, 705 { DBCOOL_COMPANYID, ADM1027_DEVICEID, ADM1027_REV_ID, 706 ADM1027_sensor_table, ADT7475_power_table, 707 DBCFLAG_MULTI_VCC | DBCFLAG_4BIT_VER, 708 90000 * 60, "ADM1027" }, 709 { DBCOOL_COMPANYID, ADM1030_DEVICEID, 0xff, 710 ADM1030_sensor_table, ADM1030_power_table, 711 DBCFLAG_ADM1030 | DBCFLAG_NO_READBYTE, 712 11250 * 60, "ADM1030" }, 713 { DBCOOL_COMPANYID, ADM1031_DEVICEID, 0xff, 714 ADM1031_sensor_table, ADM1030_power_table, 715 DBCFLAG_ADM1030 | DBCFLAG_NO_READBYTE, 716 11250 * 60, "ADM1031" }, 717 { SMSC_COMPANYID, EMC6D103S_DEVICEID, EMC6D103S_REV_ID, 718 EMC6D103S_sensor_table, ADT7475_power_table, 719 DBCFLAG_4BIT_VER, 720 90000 * 60, "EMC6D103S" }, 721 { 0, 0, 0, NULL, NULL, 0, 0, NULL } 722 }; 723 724 static const char *behavior[] = { 725 "remote1", "local", "remote2", "full-speed", 726 "disabled", "local+remote2","all-temps", "manual" 727 }; 728 729 static char dbcool_cur_behav[16]; 730 731 CFATTACH_DECL_NEW(dbcool, sizeof(struct dbcool_softc), 732 dbcool_match, dbcool_attach, dbcool_detach, NULL); 733 734 int 735 dbcool_match(device_t parent, cfdata_t cf, void *aux) 736 { 737 struct i2c_attach_args *ia = aux; 738 struct dbcool_chipset dc; 739 dc.dc_tag = ia->ia_tag; 740 dc.dc_addr = ia->ia_addr; 741 dc.dc_chip = NULL; 742 dc.dc_readreg = dbcool_readreg; 743 dc.dc_writereg = dbcool_writereg; 744 745 /* no probing if we attach to iic, but verify chip id and address */ 746 if ((ia->ia_addr & DBCOOL_ADDRMASK) != DBCOOL_ADDR) 747 return 0; 748 if (dbcool_chip_ident(&dc) >= 0) 749 return 1; 750 751 return 0; 752 } 753 754 void 755 dbcool_attach(device_t parent, device_t self, void *aux) 756 { 757 struct dbcool_softc *sc = device_private(self); 758 struct i2c_attach_args *args = aux; 759 uint8_t ver; 760 761 sc->sc_dc.dc_addr = args->ia_addr; 762 sc->sc_dc.dc_tag = args->ia_tag; 763 sc->sc_dc.dc_chip = NULL; 764 sc->sc_dc.dc_readreg = dbcool_readreg; 765 sc->sc_dc.dc_writereg = dbcool_writereg; 766 (void)dbcool_chip_ident(&sc->sc_dc); 767 sc->sc_dev = self; 768 769 aprint_naive("\n"); 770 aprint_normal("\n"); 771 772 ver = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_REVISION_REG); 773 if (sc->sc_dc.dc_chip->flags & DBCFLAG_4BIT_VER) 774 if (sc->sc_dc.dc_chip->company == SMSC_COMPANYID) 775 { 776 aprint_normal_dev(self, "SMSC %s Controller " 777 "(rev 0x%02x, stepping 0x%02x)\n", sc->sc_dc.dc_chip->name, 778 ver >> 4, ver & 0x0f); 779 } else { 780 aprint_normal_dev(self, "%s dBCool(tm) Controller " 781 "(rev 0x%02x, stepping 0x%02x)\n", sc->sc_dc.dc_chip->name, 782 ver >> 4, ver & 0x0f); 783 } 784 else 785 aprint_normal_dev(self, "%s dBCool(tm) Controller " 786 "(rev 0x%04x)\n", sc->sc_dc.dc_chip->name, ver); 787 788 sc->sc_sysctl_log = NULL; 789 790 #ifdef _MODULE 791 sysctl_dbcoolsetup(&sc->sc_sysctl_log); 792 #endif 793 794 dbcool_setup(self); 795 796 if (!pmf_device_register(self, dbcool_pmf_suspend, dbcool_pmf_resume)) 797 aprint_error_dev(self, "couldn't establish power handler\n"); 798 } 799 800 static int 801 dbcool_detach(device_t self, int flags) 802 { 803 struct dbcool_softc *sc = device_private(self); 804 805 pmf_device_deregister(self); 806 807 sysmon_envsys_unregister(sc->sc_sme); 808 809 sysctl_teardown(&sc->sc_sysctl_log); 810 811 sc->sc_sme = NULL; 812 return 0; 813 } 814 815 /* On suspend, we save the state of the SHDN bit, then set it */ 816 bool dbcool_pmf_suspend(device_t dev, const pmf_qual_t *qual) 817 { 818 struct dbcool_softc *sc = device_private(dev); 819 uint8_t reg, bit, cfg; 820 821 if ((sc->sc_dc.dc_chip->flags && DBCFLAG_HAS_SHDN) == 0) 822 return true; 823 824 if (sc->sc_dc.dc_chip->flags && DBCFLAG_ADT7466) { 825 reg = DBCOOL_ADT7466_CONFIG2; 826 bit = DBCOOL_ADT7466_CFG2_SHDN; 827 } else { 828 reg = DBCOOL_CONFIG2_REG; 829 bit = DBCOOL_CFG2_SHDN; 830 } 831 cfg = sc->sc_dc.dc_readreg(&sc->sc_dc, reg); 832 sc->sc_suspend = cfg & bit; 833 cfg |= bit; 834 sc->sc_dc.dc_writereg(&sc->sc_dc, reg, cfg); 835 836 return true; 837 } 838 839 /* On resume, we restore the previous state of the SHDN bit */ 840 bool dbcool_pmf_resume(device_t dev, const pmf_qual_t *qual) 841 { 842 struct dbcool_softc *sc = device_private(dev); 843 uint8_t reg, bit, cfg; 844 845 if ((sc->sc_dc.dc_chip->flags && DBCFLAG_HAS_SHDN) == 0) 846 return true; 847 848 if (sc->sc_dc.dc_chip->flags && DBCFLAG_ADT7466) { 849 reg = DBCOOL_ADT7466_CONFIG2; 850 bit = DBCOOL_ADT7466_CFG2_SHDN; 851 } else { 852 reg = DBCOOL_CONFIG2_REG; 853 bit = DBCOOL_CFG2_SHDN; 854 } 855 cfg = sc->sc_dc.dc_readreg(&sc->sc_dc, reg); 856 cfg &= ~sc->sc_suspend; 857 sc->sc_dc.dc_writereg(&sc->sc_dc, reg, cfg); 858 859 return true; 860 861 } 862 863 uint8_t 864 dbcool_readreg(struct dbcool_chipset *dc, uint8_t reg) 865 { 866 uint8_t data = 0; 867 868 if (iic_acquire_bus(dc->dc_tag, 0) != 0) 869 return data; 870 871 if (dc->dc_chip == NULL || dc->dc_chip->flags & DBCFLAG_NO_READBYTE) { 872 /* ADM1027 doesn't support i2c read_byte protocol */ 873 if (iic_smbus_send_byte(dc->dc_tag, dc->dc_addr, reg, 0) != 0) 874 goto bad; 875 (void)iic_smbus_receive_byte(dc->dc_tag, dc->dc_addr, &data, 0); 876 } else 877 (void)iic_smbus_read_byte(dc->dc_tag, dc->dc_addr, reg, &data, 878 0); 879 880 bad: 881 iic_release_bus(dc->dc_tag, 0); 882 return data; 883 } 884 885 void 886 dbcool_writereg(struct dbcool_chipset *dc, uint8_t reg, uint8_t val) 887 { 888 if (iic_acquire_bus(dc->dc_tag, 0) != 0) 889 return; 890 891 (void)iic_smbus_write_byte(dc->dc_tag, dc->dc_addr, reg, val, 0); 892 893 iic_release_bus(dc->dc_tag, 0); 894 } 895 896 static bool 897 dbcool_islocked(struct dbcool_softc *sc) 898 { 899 uint8_t cfg_reg; 900 901 if (sc->sc_dc.dc_chip->flags & DBCFLAG_ADM1030) 902 return 0; 903 904 if (sc->sc_dc.dc_chip->flags & DBCFLAG_ADT7466) 905 cfg_reg = DBCOOL_ADT7466_CONFIG1; 906 else 907 cfg_reg = DBCOOL_CONFIG1_REG; 908 909 if (sc->sc_dc.dc_readreg(&sc->sc_dc, cfg_reg) & DBCOOL_CFG1_LOCK) 910 return 1; 911 else 912 return 0; 913 } 914 915 static int 916 dbcool_read_temp(struct dbcool_softc *sc, uint8_t reg, bool extres) 917 { 918 uint8_t t1, t2, t3, val, ext = 0; 919 int temp; 920 921 if (sc->sc_dc.dc_chip->flags & DBCFLAG_ADT7466) { 922 /* 923 * ADT7466 temps are in strange location 924 */ 925 ext = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_ADT7466_CONFIG1); 926 val = sc->sc_dc.dc_readreg(&sc->sc_dc, reg); 927 if (extres) 928 ext = sc->sc_dc.dc_readreg(&sc->sc_dc, reg + 1); 929 } else if (sc->sc_dc.dc_chip->flags & DBCFLAG_ADM1030) { 930 /* 931 * ADM1030 temps are in their own special place, too 932 */ 933 if (extres) { 934 ext = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_ADM1030_TEMP_EXTRES); 935 if (reg == DBCOOL_ADM1030_L_TEMP) 936 ext >>= 6; 937 else if (reg == DBCOOL_ADM1031_R2_TEMP) 938 ext >>= 4; 939 else 940 ext >>= 1; 941 ext &= 0x03; 942 } 943 val = sc->sc_dc.dc_readreg(&sc->sc_dc, reg); 944 } else if (extres) { 945 ext = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_EXTRES2_REG); 946 947 /* Read all msb regs to unlatch them */ 948 t1 = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_12VIN); 949 t1 = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_REMOTE1_TEMP); 950 t2 = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_REMOTE2_TEMP); 951 t3 = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_LOCAL_TEMP); 952 switch (reg) { 953 case DBCOOL_REMOTE1_TEMP: 954 val = t1; 955 ext >>= 2; 956 break; 957 case DBCOOL_LOCAL_TEMP: 958 val = t3; 959 ext >>= 4; 960 break; 961 case DBCOOL_REMOTE2_TEMP: 962 val = t2; 963 ext >>= 6; 964 break; 965 default: 966 val = 0; 967 break; 968 } 969 ext &= 0x03; 970 } 971 else 972 val = sc->sc_dc.dc_readreg(&sc->sc_dc, reg); 973 974 /* Check for invalid temp values */ 975 if ((sc->sc_temp_offset == 0 && val == 0x80) || 976 (sc->sc_temp_offset != 0 && val == 0)) 977 return 0; 978 979 /* If using offset mode, adjust, else treat as signed */ 980 if (sc->sc_temp_offset) { 981 temp = val; 982 temp -= sc->sc_temp_offset; 983 } else 984 temp = (int8_t)val; 985 986 /* Convert degC to uK and include extended precision bits */ 987 temp *= 1000000; 988 temp += 250000 * (int)ext; 989 temp += 273150000U; 990 991 return temp; 992 } 993 994 static int 995 dbcool_read_rpm(struct dbcool_softc *sc, uint8_t reg) 996 { 997 int rpm; 998 uint8_t rpm_lo, rpm_hi; 999 1000 rpm_lo = sc->sc_dc.dc_readreg(&sc->sc_dc, reg); 1001 if (sc->sc_dc.dc_chip->flags & DBCFLAG_ADM1030) 1002 rpm_hi = (rpm_lo == 0xff)?0xff:0x0; 1003 else 1004 rpm_hi = sc->sc_dc.dc_readreg(&sc->sc_dc, reg + 1); 1005 1006 rpm = (rpm_hi << 8) | rpm_lo; 1007 if (rpm == 0xffff) 1008 return 0; /* 0xffff indicates stalled/failed fan */ 1009 1010 /* don't divide by zero */ 1011 return (rpm == 0)? 0 : (sc->sc_dc.dc_chip->rpm_dividend / rpm); 1012 } 1013 1014 /* Provide chip's supply voltage, in microvolts */ 1015 static int 1016 dbcool_supply_voltage(struct dbcool_softc *sc) 1017 { 1018 if (sc->sc_dc.dc_chip->flags & DBCFLAG_MULTI_VCC) { 1019 if (sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_CONFIG1_REG) & DBCOOL_CFG1_Vcc) 1020 return 5002500; 1021 else 1022 return 3300000; 1023 } else if (sc->sc_dc.dc_chip->flags & DBCFLAG_ADT7466) { 1024 if (sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_ADT7466_CONFIG1) & 1025 DBCOOL_ADT7466_CFG1_Vcc) 1026 return 5000000; 1027 else 1028 return 3300000; 1029 } else 1030 return 3300000; 1031 } 1032 1033 /* 1034 * Nominal voltages are calculated in microvolts 1035 */ 1036 static int 1037 dbcool_read_volt(struct dbcool_softc *sc, uint8_t reg, int nom_idx, bool extres) 1038 { 1039 uint8_t ext = 0, v1, v2, v3, v4, val; 1040 int64_t ret; 1041 int64_t nom; 1042 1043 nom = nominal_voltages[nom_idx]; 1044 if (nom < 0) 1045 nom = sc->sc_supply_voltage; 1046 1047 /* ADT7466 voltages are in strange locations with only 8-bits */ 1048 if (sc->sc_dc.dc_chip->flags & DBCFLAG_ADT7466) 1049 val = sc->sc_dc.dc_readreg(&sc->sc_dc, reg); 1050 else 1051 /* 1052 * It's a "normal" dbCool chip - check for regs that 1053 * share extended resolution bits since we have to 1054 * read all the MSB registers to unlatch them. 1055 */ 1056 if (!extres) 1057 val = sc->sc_dc.dc_readreg(&sc->sc_dc, reg); 1058 else if (reg == DBCOOL_12VIN) { 1059 ext = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_EXTRES2_REG) && 0x03; 1060 val = sc->sc_dc.dc_readreg(&sc->sc_dc, reg); 1061 (void)dbcool_read_temp(sc, DBCOOL_LOCAL_TEMP, true); 1062 } else if (reg == DBCOOL_VTT || reg == DBCOOL_IMON) { 1063 ext = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_EXTRES_VTT_IMON); 1064 v1 = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_IMON); 1065 v2 = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_VTT); 1066 if (reg == DBCOOL_IMON) { 1067 val = v1; 1068 ext >>= 6; 1069 } else 1070 val = v2; 1071 ext >>= 4; 1072 ext &= 0x0f; 1073 } else { 1074 ext = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_EXTRES1_REG); 1075 v1 = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_25VIN); 1076 v2 = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_VCCP); 1077 v3 = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_VCC); 1078 v4 = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_5VIN); 1079 1080 switch (reg) { 1081 case DBCOOL_25VIN: 1082 val = v1; 1083 break; 1084 case DBCOOL_VCCP: 1085 val = v2; 1086 ext >>= 2; 1087 break; 1088 case DBCOOL_VCC: 1089 val = v3; 1090 ext >>= 4; 1091 break; 1092 case DBCOOL_5VIN: 1093 val = v4; 1094 ext >>= 6; 1095 break; 1096 default: 1097 val = nom = 0; 1098 } 1099 ext &= 0x03; 1100 } 1101 1102 /* 1103 * Scale the nominal value by the 10-bit fraction 1104 * 1105 * Returned value is in microvolts. 1106 */ 1107 ret = val; 1108 ret <<= 2; 1109 ret |= ext; 1110 ret = (ret * nom) / 0x300; 1111 1112 return ret; 1113 } 1114 1115 SYSCTL_SETUP(sysctl_dbcoolsetup, "sysctl dBCool subtree setup") 1116 { 1117 sysctl_createv(clog, 0, NULL, NULL, 1118 CTLFLAG_PERMANENT, 1119 CTLTYPE_NODE, "hw", NULL, 1120 NULL, 0, NULL, 0, 1121 CTL_HW, CTL_EOL); 1122 } 1123 1124 static int 1125 sysctl_dbcool_temp(SYSCTLFN_ARGS) 1126 { 1127 struct sysctlnode node; 1128 struct dbcool_softc *sc; 1129 int reg, error; 1130 uint8_t chipreg; 1131 uint8_t newreg; 1132 1133 node = *rnode; 1134 sc = (struct dbcool_softc *)node.sysctl_data; 1135 chipreg = node.sysctl_num & 0xff; 1136 1137 if (sc->sc_temp_offset) { 1138 reg = sc->sc_dc.dc_readreg(&sc->sc_dc, chipreg); 1139 reg -= sc->sc_temp_offset; 1140 } else 1141 reg = (int8_t)sc->sc_dc.dc_readreg(&sc->sc_dc, chipreg); 1142 1143 node.sysctl_data = ® 1144 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1145 1146 if (error || newp == NULL) 1147 return error; 1148 1149 /* We were asked to update the value - sanity check before writing */ 1150 if (*(int *)node.sysctl_data < -64 || 1151 *(int *)node.sysctl_data > 127 + sc->sc_temp_offset) 1152 return EINVAL; 1153 1154 newreg = *(int *)node.sysctl_data; 1155 newreg += sc->sc_temp_offset; 1156 sc->sc_dc.dc_writereg(&sc->sc_dc, chipreg, newreg); 1157 return 0; 1158 } 1159 1160 static int 1161 sysctl_adm1030_temp(SYSCTLFN_ARGS) 1162 { 1163 struct sysctlnode node; 1164 struct dbcool_softc *sc; 1165 int reg, error; 1166 uint8_t chipreg, oldreg, newreg; 1167 1168 node = *rnode; 1169 sc = (struct dbcool_softc *)node.sysctl_data; 1170 chipreg = node.sysctl_num & 0xff; 1171 1172 oldreg = (int8_t)sc->sc_dc.dc_readreg(&sc->sc_dc, chipreg); 1173 reg = (oldreg >> 1) & ~0x03; 1174 1175 node.sysctl_data = ® 1176 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1177 1178 if (error || newp == NULL) 1179 return error; 1180 1181 /* We were asked to update the value - sanity check before writing */ 1182 if (*(int *)node.sysctl_data < 0 || *(int *)node.sysctl_data > 127) 1183 return EINVAL; 1184 1185 newreg = *(int *)node.sysctl_data; 1186 newreg &= ~0x03; 1187 newreg <<= 1; 1188 newreg |= (oldreg & 0x07); 1189 sc->sc_dc.dc_writereg(&sc->sc_dc, chipreg, newreg); 1190 return 0; 1191 } 1192 1193 static int 1194 sysctl_adm1030_trange(SYSCTLFN_ARGS) 1195 { 1196 struct sysctlnode node; 1197 struct dbcool_softc *sc; 1198 int reg, error, newval; 1199 uint8_t chipreg, oldreg, newreg; 1200 1201 node = *rnode; 1202 sc = (struct dbcool_softc *)node.sysctl_data; 1203 chipreg = node.sysctl_num & 0xff; 1204 1205 oldreg = (int8_t)sc->sc_dc.dc_readreg(&sc->sc_dc, chipreg); 1206 reg = oldreg & 0x07; 1207 1208 node.sysctl_data = ® 1209 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1210 1211 if (error || newp == NULL) 1212 return error; 1213 1214 /* We were asked to update the value - sanity check before writing */ 1215 newval = *(int *)node.sysctl_data; 1216 1217 if (newval == 5) 1218 newreg = 0; 1219 else if (newval == 10) 1220 newreg = 1; 1221 else if (newval == 20) 1222 newreg = 2; 1223 else if (newval == 40) 1224 newreg = 3; 1225 else if (newval == 80) 1226 newreg = 4; 1227 else 1228 return EINVAL; 1229 1230 newreg |= (oldreg & ~0x07); 1231 sc->sc_dc.dc_writereg(&sc->sc_dc, chipreg, newreg); 1232 return 0; 1233 } 1234 1235 static int 1236 sysctl_dbcool_duty(SYSCTLFN_ARGS) 1237 { 1238 struct sysctlnode node; 1239 struct dbcool_softc *sc; 1240 int reg, error; 1241 uint8_t chipreg, oldreg, newreg; 1242 1243 node = *rnode; 1244 sc = (struct dbcool_softc *)node.sysctl_data; 1245 chipreg = node.sysctl_num & 0xff; 1246 1247 oldreg = sc->sc_dc.dc_readreg(&sc->sc_dc, chipreg); 1248 reg = (uint32_t)oldreg; 1249 if (sc->sc_dc.dc_chip->flags & DBCFLAG_ADM1030) 1250 reg = ((reg & 0x0f) * 100) / 15; 1251 else 1252 reg = (reg * 100) / 255; 1253 node.sysctl_data = ® 1254 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1255 1256 if (error || newp == NULL) 1257 return error; 1258 1259 /* We were asked to update the value - sanity check before writing */ 1260 if (*(int *)node.sysctl_data < 0 || *(int *)node.sysctl_data > 100) 1261 return EINVAL; 1262 1263 if (sc->sc_dc.dc_chip->flags & DBCFLAG_ADM1030) { 1264 newreg = *(uint8_t *)(node.sysctl_data) * 15 / 100; 1265 newreg |= oldreg & 0xf0; 1266 } else 1267 newreg = *(uint8_t *)(node.sysctl_data) * 255 / 100; 1268 sc->sc_dc.dc_writereg(&sc->sc_dc, chipreg, newreg); 1269 return 0; 1270 } 1271 1272 static int 1273 sysctl_dbcool_behavior(SYSCTLFN_ARGS) 1274 { 1275 struct sysctlnode node; 1276 struct dbcool_softc *sc; 1277 int i, reg, error; 1278 uint8_t chipreg, oldreg, newreg; 1279 1280 node = *rnode; 1281 sc = (struct dbcool_softc *)node.sysctl_data; 1282 chipreg = node.sysctl_num & 0xff; 1283 1284 oldreg = sc->sc_dc.dc_readreg(&sc->sc_dc, chipreg); 1285 1286 if (sc->sc_dc.dc_chip->flags & DBCFLAG_ADM1030) { 1287 if ((sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_ADM1030_CFG2) & 1) == 0) 1288 reg = 4; 1289 else if ((oldreg & 0x80) == 0) 1290 reg = 7; 1291 else if ((oldreg & 0x60) == 0) 1292 reg = 4; 1293 else 1294 reg = 6; 1295 } else 1296 reg = (oldreg >> 5) & 0x07; 1297 1298 strlcpy(dbcool_cur_behav, behavior[reg], sizeof(dbcool_cur_behav)); 1299 node.sysctl_data = dbcool_cur_behav; 1300 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1301 1302 if (error || newp == NULL) 1303 return error; 1304 1305 /* We were asked to update the value - convert string to value */ 1306 newreg = __arraycount(behavior); 1307 for (i = 0; i < __arraycount(behavior); i++) 1308 if (strcmp(node.sysctl_data, behavior[i]) == 0) 1309 break; 1310 if (i >= __arraycount(behavior)) 1311 return EINVAL; 1312 1313 if (sc->sc_dc.dc_chip->flags & DBCFLAG_ADM1030) { 1314 /* 1315 * ADM1030 splits fan controller behavior across two 1316 * registers. We also do not support Auto-Filter mode 1317 * nor do we support Manual-RPM-feedback. 1318 */ 1319 if (newreg == 4) { 1320 oldreg = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_ADM1030_CFG2); 1321 oldreg &= ~0x01; 1322 sc->sc_dc.dc_writereg(&sc->sc_dc, DBCOOL_ADM1030_CFG2, oldreg); 1323 } else { 1324 if (newreg == 0) 1325 newreg = 4; 1326 else if (newreg == 6) 1327 newreg = 7; 1328 else if (newreg == 7) 1329 newreg = 0; 1330 else 1331 return EINVAL; 1332 newreg <<= 5; 1333 newreg |= (oldreg & 0x1f); 1334 sc->sc_dc.dc_writereg(&sc->sc_dc, chipreg, newreg); 1335 oldreg = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_ADM1030_CFG2) | 1; 1336 sc->sc_dc.dc_writereg(&sc->sc_dc, DBCOOL_ADM1030_CFG2, oldreg); 1337 } 1338 } else { 1339 newreg = (sc->sc_dc.dc_readreg(&sc->sc_dc, chipreg) & 0x1f) | (i << 5); 1340 sc->sc_dc.dc_writereg(&sc->sc_dc, chipreg, newreg); 1341 } 1342 return 0; 1343 } 1344 1345 static int 1346 sysctl_dbcool_slope(SYSCTLFN_ARGS) 1347 { 1348 struct sysctlnode node; 1349 struct dbcool_softc *sc; 1350 int reg, error; 1351 uint8_t chipreg; 1352 uint8_t newreg; 1353 1354 node = *rnode; 1355 sc = (struct dbcool_softc *)node.sysctl_data; 1356 chipreg = node.sysctl_num & 0xff; 1357 1358 reg = (sc->sc_dc.dc_readreg(&sc->sc_dc, chipreg) >> 4) & 0x0f; 1359 node.sysctl_data = ® 1360 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1361 1362 if (error || newp == NULL) 1363 return error; 1364 1365 /* We were asked to update the value - sanity check before writing */ 1366 if (*(int *)node.sysctl_data < 0 || *(int *)node.sysctl_data > 0x0f) 1367 return EINVAL; 1368 1369 newreg = (sc->sc_dc.dc_readreg(&sc->sc_dc, chipreg) & 0x0f) | 1370 (*(int *)node.sysctl_data << 4); 1371 sc->sc_dc.dc_writereg(&sc->sc_dc, chipreg, newreg); 1372 return 0; 1373 } 1374 1375 static int 1376 sysctl_dbcool_thyst(SYSCTLFN_ARGS) 1377 { 1378 struct sysctlnode node; 1379 struct dbcool_softc *sc; 1380 int reg, error; 1381 uint8_t chipreg; 1382 uint8_t newreg, newhyst; 1383 1384 node = *rnode; 1385 sc = (struct dbcool_softc *)node.sysctl_data; 1386 chipreg = node.sysctl_num & 0x7f; 1387 1388 /* retrieve 4-bit value */ 1389 newreg = sc->sc_dc.dc_readreg(&sc->sc_dc, chipreg); 1390 if ((node.sysctl_num & 0x80) == 0) 1391 reg = newreg >> 4; 1392 else 1393 reg = newreg; 1394 reg = reg & 0x0f; 1395 1396 node.sysctl_data = ® 1397 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1398 1399 if (error || newp == NULL) 1400 return error; 1401 1402 /* We were asked to update the value - sanity check before writing */ 1403 newhyst = *(int *)node.sysctl_data; 1404 if (newhyst > 0x0f) 1405 return EINVAL; 1406 1407 /* Insert new value into field and update register */ 1408 if ((node.sysctl_num & 0x80) == 0) { 1409 newreg &= 0x0f; 1410 newreg |= (newhyst << 4); 1411 } else { 1412 newreg &= 0xf0; 1413 newreg |= newhyst; 1414 } 1415 sc->sc_dc.dc_writereg(&sc->sc_dc, chipreg, newreg); 1416 return 0; 1417 } 1418 1419 #ifdef DBCOOL_DEBUG 1420 1421 /* 1422 * These routines can be used for debugging. reg_select is used to 1423 * select any arbitrary register in the device. reg_access is used 1424 * to read (and optionally update) the selected register. 1425 * 1426 * No attempt is made to validate the data passed. If you use these 1427 * routines, you are assumed to know what you're doing! 1428 * 1429 * Caveat user 1430 */ 1431 static int 1432 sysctl_dbcool_reg_select(SYSCTLFN_ARGS) 1433 { 1434 struct sysctlnode node; 1435 struct dbcool_softc *sc; 1436 int reg, error; 1437 1438 node = *rnode; 1439 sc = (struct dbcool_softc *)node.sysctl_data; 1440 1441 reg = sc->sc_user_reg; 1442 node.sysctl_data = ® 1443 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1444 1445 if (error || newp == NULL) 1446 return error; 1447 1448 sc->sc_user_reg = *(int *)node.sysctl_data; 1449 return 0; 1450 } 1451 1452 static int 1453 sysctl_dbcool_reg_access(SYSCTLFN_ARGS) 1454 { 1455 struct sysctlnode node; 1456 struct dbcool_softc *sc; 1457 int reg, error; 1458 uint8_t chipreg; 1459 uint8_t newreg; 1460 1461 node = *rnode; 1462 sc = (struct dbcool_softc *)node.sysctl_data; 1463 chipreg = sc->sc_user_reg; 1464 1465 reg = sc->sc_dc.dc_readreg(&sc->sc_dc, chipreg); 1466 node.sysctl_data = ® 1467 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1468 1469 if (error || newp == NULL) 1470 return error; 1471 1472 newreg = *(int *)node.sysctl_data; 1473 sc->sc_dc.dc_writereg(&sc->sc_dc, chipreg, newreg); 1474 return 0; 1475 } 1476 #endif /* DBCOOL_DEBUG */ 1477 1478 /* 1479 * Encode an index number and register number for use as a sysctl_num 1480 * so we can select the correct device register later. 1481 */ 1482 #define DBC_PWM_SYSCTL(seq, reg) ((seq << 8) | reg) 1483 1484 void 1485 dbcool_setup(device_t self) 1486 { 1487 struct dbcool_softc *sc = device_private(self); 1488 const struct sysctlnode *me = NULL; 1489 #ifdef DBCOOL_DEBUG 1490 struct sysctlnode *node = NULL; 1491 #endif 1492 uint8_t cfg_val, cfg_reg; 1493 int ret, error; 1494 1495 /* 1496 * Some chips are capable of reporting an extended temperature range 1497 * by default. On these models, config register 5 bit 0 can be set 1498 * to 1 for compatability with other chips that report 2s complement. 1499 */ 1500 if (sc->sc_dc.dc_chip->flags & DBCFLAG_ADT7466) { 1501 if (sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_ADT7466_CONFIG1) & 0x80) 1502 sc->sc_temp_offset = 64; 1503 else 1504 sc->sc_temp_offset = 0; 1505 } else if (sc->sc_dc.dc_chip->flags & DBCFLAG_TEMPOFFSET) { 1506 if (sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_CONFIG5_REG) & 1507 DBCOOL_CFG5_TWOSCOMP) 1508 sc->sc_temp_offset = 0; 1509 else 1510 sc->sc_temp_offset = 64; 1511 } else 1512 sc->sc_temp_offset = 0; 1513 1514 /* Determine Vcc for this chip */ 1515 sc->sc_supply_voltage = dbcool_supply_voltage(sc); 1516 1517 ret = sysctl_createv(&sc->sc_sysctl_log, 0, NULL, &me, 1518 CTLFLAG_READWRITE, 1519 CTLTYPE_NODE, device_xname(self), NULL, 1520 NULL, 0, NULL, 0, 1521 CTL_HW, CTL_CREATE, CTL_EOL); 1522 if (ret == 0) 1523 sc->sc_root_sysctl_num = me->sysctl_num; 1524 else 1525 sc->sc_root_sysctl_num = 0; 1526 1527 aprint_debug_dev(self, 1528 "Supply voltage %"PRId64".%06"PRId64"V, %s temp range\n", 1529 sc->sc_supply_voltage / 1000000, 1530 sc->sc_supply_voltage % 1000000, 1531 sc->sc_temp_offset ? "extended" : "normal"); 1532 1533 /* Create the sensors for this device */ 1534 sc->sc_sme = sysmon_envsys_create(); 1535 if (dbcool_setup_sensors(sc)) 1536 goto out; 1537 1538 if (sc->sc_root_sysctl_num != 0) { 1539 /* If supported, create sysctl tree for fan PWM controllers */ 1540 if (sc->sc_dc.dc_chip->power != NULL) 1541 dbcool_setup_controllers(sc); 1542 1543 #ifdef DBCOOL_DEBUG 1544 ret = sysctl_createv(&sc->sc_sysctl_log, 0, NULL, 1545 (void *)&node, 1546 CTLFLAG_READWRITE, CTLTYPE_INT, "reg_select", NULL, 1547 sysctl_dbcool_reg_select, 1548 0, sc, sizeof(int), 1549 CTL_HW, me->sysctl_num, CTL_CREATE, CTL_EOL); 1550 if (node != NULL) 1551 node->sysctl_data = sc; 1552 1553 ret = sysctl_createv(&sc->sc_sysctl_log, 0, NULL, 1554 (void *)&node, 1555 CTLFLAG_READWRITE, CTLTYPE_INT, "reg_access", NULL, 1556 sysctl_dbcool_reg_access, 1557 0, sc, sizeof(int), 1558 CTL_HW, me->sysctl_num, CTL_CREATE, CTL_EOL); 1559 if (node != NULL) 1560 node->sysctl_data = sc; 1561 #endif /* DBCOOL_DEBUG */ 1562 } 1563 1564 /* 1565 * Read and rewrite config register to activate device 1566 */ 1567 if (sc->sc_dc.dc_chip->flags & DBCFLAG_ADM1030) 1568 cfg_reg = DBCOOL_ADM1030_CFG1; 1569 else if (sc->sc_dc.dc_chip->flags & DBCFLAG_ADT7466) 1570 cfg_reg = DBCOOL_ADT7466_CONFIG1; 1571 else 1572 cfg_reg = DBCOOL_CONFIG1_REG; 1573 cfg_val = sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_CONFIG1_REG); 1574 if ((cfg_val & DBCOOL_CFG1_START) == 0) { 1575 cfg_val |= DBCOOL_CFG1_START; 1576 sc->sc_dc.dc_writereg(&sc->sc_dc, cfg_reg, cfg_val); 1577 } 1578 if (dbcool_islocked(sc)) 1579 aprint_normal_dev(self, "configuration locked\n"); 1580 1581 sc->sc_sme->sme_name = device_xname(self); 1582 sc->sc_sme->sme_cookie = sc; 1583 sc->sc_sme->sme_refresh = dbcool_refresh; 1584 sc->sc_sme->sme_set_limits = dbcool_set_limits; 1585 sc->sc_sme->sme_get_limits = dbcool_get_limits; 1586 1587 if ((error = sysmon_envsys_register(sc->sc_sme)) != 0) { 1588 aprint_error_dev(self, 1589 "unable to register with sysmon (%d)\n", error); 1590 goto out; 1591 } 1592 1593 return; 1594 1595 out: 1596 sysmon_envsys_destroy(sc->sc_sme); 1597 } 1598 1599 static int 1600 dbcool_setup_sensors(struct dbcool_softc *sc) 1601 { 1602 int i; 1603 int error = 0; 1604 uint8_t vid_reg, vid_val; 1605 struct chip_id *chip = sc->sc_dc.dc_chip; 1606 1607 for (i=0; chip->table[i].type != DBC_EOF; i++) { 1608 if (i < DBCOOL_MAXSENSORS) 1609 sc->sc_sysctl_num[i] = -1; 1610 else if (chip->table[i].type != DBC_CTL) { 1611 aprint_normal_dev(sc->sc_dev, "chip table too big!\n"); 1612 break; 1613 } 1614 switch (chip->table[i].type) { 1615 case DBC_TEMP: 1616 sc->sc_sensor[i].units = ENVSYS_STEMP; 1617 sc->sc_sensor[i].state = ENVSYS_SINVALID; 1618 sc->sc_sensor[i].flags |= ENVSYS_FMONLIMITS; 1619 error = dbcool_attach_sensor(sc, i); 1620 break; 1621 case DBC_VOLT: 1622 /* 1623 * If 12V-In pin has been reconfigured as 6th bit 1624 * of VID code, don't create a 12V-In sensor 1625 */ 1626 if ((chip->flags & DBCFLAG_HAS_VID_SEL) && 1627 (chip->table[i].reg.val_reg == DBCOOL_12VIN) && 1628 (sc->sc_dc.dc_readreg(&sc->sc_dc, DBCOOL_VID_REG) & 1629 0x80)) 1630 break; 1631 1632 sc->sc_sensor[i].units = ENVSYS_SVOLTS_DC; 1633 sc->sc_sensor[i].state = ENVSYS_SINVALID; 1634 sc->sc_sensor[i].flags |= ENVSYS_FMONLIMITS; 1635 error = dbcool_attach_sensor(sc, i); 1636 break; 1637 case DBC_FAN: 1638 sc->sc_sensor[i].units = ENVSYS_SFANRPM; 1639 sc->sc_sensor[i].state = ENVSYS_SINVALID; 1640 sc->sc_sensor[i].flags |= ENVSYS_FMONLIMITS; 1641 error = dbcool_attach_sensor(sc, i); 1642 break; 1643 case DBC_VID: 1644 sc->sc_sensor[i].units = ENVSYS_INTEGER; 1645 sc->sc_sensor[i].state = ENVSYS_SINVALID; 1646 sc->sc_sensor[i].flags |= ENVSYS_FMONNOTSUPP; 1647 1648 /* retrieve 5- or 6-bit value */ 1649 vid_reg = chip->table[i].reg.val_reg; 1650 vid_val = sc->sc_dc.dc_readreg(&sc->sc_dc, vid_reg); 1651 if (chip->flags & DBCFLAG_HAS_VID_SEL) 1652 vid_val &= 0x3f; 1653 else 1654 vid_val &= 0x1f; 1655 sc->sc_sensor[i].value_cur = vid_val; 1656 1657 error = dbcool_attach_sensor(sc, i); 1658 break; 1659 case DBC_CTL: 1660 error = dbcool_attach_temp_control(sc, i, chip); 1661 if (error) { 1662 aprint_error_dev(sc->sc_dev, 1663 "attach index %d failed %d\n", 1664 i, error); 1665 error = 0; 1666 } 1667 break; 1668 default: 1669 aprint_error_dev(sc->sc_dev, 1670 "sensor_table index %d has bad type %d\n", 1671 i, chip->table[i].type); 1672 break; 1673 } 1674 if (error) 1675 break; 1676 } 1677 return error; 1678 } 1679 1680 static int 1681 dbcool_attach_sensor(struct dbcool_softc *sc, int idx) 1682 { 1683 int name_index; 1684 int error = 0; 1685 1686 name_index = sc->sc_dc.dc_chip->table[idx].name_index; 1687 strlcpy(sc->sc_sensor[idx].desc, dbc_sensor_names[name_index], 1688 sizeof(sc->sc_sensor[idx].desc)); 1689 sc->sc_regs[idx] = &sc->sc_dc.dc_chip->table[idx].reg; 1690 sc->sc_nom_volt[idx] = sc->sc_dc.dc_chip->table[idx].nom_volt_index; 1691 1692 error = sysmon_envsys_sensor_attach(sc->sc_sme, &sc->sc_sensor[idx]); 1693 return error; 1694 } 1695 1696 static int 1697 dbcool_attach_temp_control(struct dbcool_softc *sc, int idx, 1698 struct chip_id *chip) 1699 { 1700 const struct sysctlnode *me2 = NULL, *node; 1701 int j, ret, sysctl_index, rw_flag; 1702 uint8_t sysctl_reg; 1703 char name[SYSCTL_NAMELEN]; 1704 1705 /* Search for the corresponding temp sensor */ 1706 for (j = 0; j < idx; j++) { 1707 if (j >= DBCOOL_MAXSENSORS || chip->table[j].type != DBC_TEMP) 1708 continue; 1709 if (chip->table[j].name_index == chip->table[idx].name_index) 1710 break; 1711 } 1712 if (j >= idx) /* Temp sensor not found */ 1713 return ENOENT; 1714 1715 /* create sysctl node for the sensor if not one already there */ 1716 if (sc->sc_sysctl_num[j] == -1) { 1717 ret = sysctl_createv(&sc->sc_sysctl_log, 0, NULL, &me2, 1718 CTLFLAG_READWRITE, 1719 CTLTYPE_NODE, sc->sc_sensor[j].desc, NULL, 1720 NULL, 0, NULL, 0, 1721 CTL_HW, sc->sc_root_sysctl_num, CTL_CREATE, 1722 CTL_EOL); 1723 if (me2 != NULL) 1724 sc->sc_sysctl_num[j] = me2->sysctl_num; 1725 else 1726 return ret; 1727 } 1728 /* add sysctl leaf node for this control variable */ 1729 sysctl_index = chip->table[idx].sysctl_index; 1730 sysctl_reg = chip->table[idx].reg.val_reg; 1731 strlcpy(name, dbc_sysctl_table[sysctl_index].name, sizeof(name)); 1732 if (dbc_sysctl_table[sysctl_index].lockable && dbcool_islocked(sc)) 1733 rw_flag = CTLFLAG_READONLY | CTLFLAG_OWNDESC; 1734 else 1735 rw_flag = CTLFLAG_READWRITE | CTLFLAG_OWNDESC; 1736 ret = sysctl_createv(&sc->sc_sysctl_log, 0, NULL, &node, rw_flag, 1737 CTLTYPE_INT, name, 1738 SYSCTL_DESCR(dbc_sysctl_table[sysctl_index].desc), 1739 dbc_sysctl_table[sysctl_index].helper, 1740 0, sc, sizeof(int), 1741 CTL_HW, sc->sc_root_sysctl_num, 1742 sc->sc_sysctl_num[j], 1743 DBC_PWM_SYSCTL(idx, sysctl_reg), CTL_EOL); 1744 1745 return ret; 1746 } 1747 1748 static void 1749 dbcool_setup_controllers(struct dbcool_softc *sc) 1750 { 1751 int i, j, ret, rw_flag; 1752 uint8_t sysctl_reg; 1753 struct chip_id *chip = sc->sc_dc.dc_chip; 1754 const struct sysctlnode *me2 = NULL; 1755 const struct sysctlnode *node = NULL; 1756 char name[SYSCTL_NAMELEN]; 1757 1758 for (i = 0; chip->power[i].desc != NULL; i++) { 1759 snprintf(name, sizeof(name), "fan_ctl_%d", i); 1760 ret = sysctl_createv(&sc->sc_sysctl_log, 0, NULL, &me2, 1761 CTLFLAG_READWRITE | CTLFLAG_OWNDESC, 1762 CTLTYPE_NODE, name, NULL, 1763 NULL, 0, NULL, 0, 1764 CTL_HW, sc->sc_root_sysctl_num, CTL_CREATE, CTL_EOL); 1765 1766 for (j = DBC_PWM_BEHAVIOR; j < DBC_PWM_LAST_PARAM; j++) { 1767 if (j == DBC_PWM_MAX_DUTY && 1768 (chip->flags & DBCFLAG_HAS_MAXDUTY) == 0) 1769 continue; 1770 sysctl_reg = chip->power[i].power_regs[j]; 1771 if (sysctl_reg == DBCOOL_NO_REG) 1772 continue; 1773 strlcpy(name, dbc_sysctl_table[j].name, sizeof(name)); 1774 if (dbc_sysctl_table[j].lockable && dbcool_islocked(sc)) 1775 rw_flag = CTLFLAG_READONLY | CTLFLAG_OWNDESC; 1776 else 1777 rw_flag = CTLFLAG_READWRITE | CTLFLAG_OWNDESC; 1778 ret = sysctl_createv(&sc->sc_sysctl_log, 0, NULL, 1779 &node, rw_flag, 1780 (j == DBC_PWM_BEHAVIOR)? 1781 CTLTYPE_STRING:CTLTYPE_INT, 1782 name, 1783 SYSCTL_DESCR(dbc_sysctl_table[j].desc), 1784 dbc_sysctl_table[j].helper, 1785 0, sc, 1786 ( j == DBC_PWM_BEHAVIOR)? 1787 sizeof(dbcool_cur_behav): sizeof(int), 1788 CTL_HW, sc->sc_root_sysctl_num, me2->sysctl_num, 1789 DBC_PWM_SYSCTL(j, sysctl_reg), CTL_EOL); 1790 } 1791 } 1792 } 1793 1794 static void 1795 dbcool_refresh(struct sysmon_envsys *sme, envsys_data_t *edata) 1796 { 1797 struct dbcool_softc *sc=sme->sme_cookie; 1798 int i, nom_volt_idx, cur; 1799 struct reg_list *reg; 1800 1801 i = edata->sensor; 1802 reg = sc->sc_regs[i]; 1803 1804 edata->state = ENVSYS_SVALID; 1805 switch (edata->units) 1806 { 1807 case ENVSYS_STEMP: 1808 cur = dbcool_read_temp(sc, reg->val_reg, true); 1809 break; 1810 case ENVSYS_SVOLTS_DC: 1811 nom_volt_idx = sc->sc_nom_volt[i]; 1812 cur = dbcool_read_volt(sc, reg->val_reg, nom_volt_idx, 1813 true); 1814 break; 1815 case ENVSYS_SFANRPM: 1816 cur = dbcool_read_rpm(sc, reg->val_reg); 1817 break; 1818 case ENVSYS_INTEGER: 1819 return; 1820 default: 1821 edata->state = ENVSYS_SINVALID; 1822 return; 1823 } 1824 1825 if (cur == 0 && (edata->units != ENVSYS_SFANRPM)) 1826 edata->state = ENVSYS_SINVALID; 1827 1828 /* 1829 * If fan is "stalled" but has no low limit, treat 1830 * it as though the fan is not installed. 1831 */ 1832 else if (edata->units == ENVSYS_SFANRPM && cur == 0 && 1833 !(edata->upropset & (PROP_CRITMIN | PROP_WARNMIN))) 1834 edata->state = ENVSYS_SINVALID; 1835 1836 edata->value_cur = cur; 1837 } 1838 1839 int 1840 dbcool_chip_ident(struct dbcool_chipset *dc) 1841 { 1842 /* verify this is a supported dbCool chip */ 1843 uint8_t c_id, d_id, r_id; 1844 int i; 1845 1846 c_id = dc->dc_readreg(dc, DBCOOL_COMPANYID_REG); 1847 d_id = dc->dc_readreg(dc, DBCOOL_DEVICEID_REG); 1848 r_id = dc->dc_readreg(dc, DBCOOL_REVISION_REG); 1849 1850 /* The EMC6D103S only supports read_byte and since dc->dc_chip is 1851 * NULL when we call dc->dc_readreg above we use 1852 * send_byte/receive_byte which doesn't work. 1853 * 1854 * So if we only get 0's back then try again with dc->dc_chip 1855 * set to the EMC6D103S_DEVICEID and which doesn't have 1856 * DBCFLAG_NO_READBYTE set so read_byte will be used 1857 */ 1858 if ((c_id == 0) && (d_id == 0) && (r_id == 0)) { 1859 for (i = 0; chip_table[i].company != 0; i++) 1860 if ((SMSC_COMPANYID == chip_table[i].company) && 1861 (EMC6D103S_DEVICEID == chip_table[i].device)) { 1862 dc->dc_chip = &chip_table[i]; 1863 break; 1864 } 1865 c_id = dc->dc_readreg(dc, DBCOOL_COMPANYID_REG); 1866 d_id = dc->dc_readreg(dc, DBCOOL_DEVICEID_REG); 1867 r_id = dc->dc_readreg(dc, DBCOOL_REVISION_REG); 1868 } 1869 1870 for (i = 0; chip_table[i].company != 0; i++) 1871 if ((c_id == chip_table[i].company) && 1872 (d_id == chip_table[i].device || 1873 chip_table[i].device == 0xff) && 1874 (r_id == chip_table[i].rev || 1875 chip_table[i].rev == 0xff)) { 1876 dc->dc_chip = &chip_table[i]; 1877 return i; 1878 } 1879 1880 aprint_verbose("dbcool_chip_ident: addr 0x%02x c_id 0x%02x d_id 0x%02x" 1881 " r_id 0x%02x: No match.\n", dc->dc_addr, c_id, d_id, 1882 r_id); 1883 1884 return -1; 1885 } 1886 1887 /* 1888 * Retrieve sensor limits from the chip registers 1889 */ 1890 static void 1891 dbcool_get_limits(struct sysmon_envsys *sme, envsys_data_t *edata, 1892 sysmon_envsys_lim_t *limits, uint32_t *props) 1893 { 1894 int index = edata->sensor; 1895 struct dbcool_softc *sc = sme->sme_cookie; 1896 1897 *props &= ~(PROP_CRITMIN | PROP_CRITMAX); 1898 switch (edata->units) { 1899 case ENVSYS_STEMP: 1900 dbcool_get_temp_limits(sc, index, limits, props); 1901 break; 1902 case ENVSYS_SVOLTS_DC: 1903 dbcool_get_volt_limits(sc, index, limits, props); 1904 break; 1905 case ENVSYS_SFANRPM: 1906 dbcool_get_fan_limits(sc, index, limits, props); 1907 1908 /* FALLTHROUGH */ 1909 default: 1910 break; 1911 } 1912 *props &= ~PROP_DRIVER_LIMITS; 1913 1914 /* If both limits provided, make sure they're sane */ 1915 if ((*props & PROP_CRITMIN) && 1916 (*props & PROP_CRITMAX) && 1917 (limits->sel_critmin >= limits->sel_critmax)) 1918 *props &= ~(PROP_CRITMIN | PROP_CRITMAX); 1919 1920 /* 1921 * If this is the first time through, save these values 1922 * in case user overrides them and then requests a reset. 1923 */ 1924 if (sc->sc_defprops[index] == 0) { 1925 sc->sc_defprops[index] = *props | PROP_DRIVER_LIMITS; 1926 sc->sc_deflims[index] = *limits; 1927 } 1928 } 1929 1930 static void 1931 dbcool_get_temp_limits(struct dbcool_softc *sc, int idx, 1932 sysmon_envsys_lim_t *lims, uint32_t *props) 1933 { 1934 struct reg_list *reg = sc->sc_regs[idx]; 1935 uint8_t lo_lim, hi_lim; 1936 1937 lo_lim = sc->sc_dc.dc_readreg(&sc->sc_dc, reg->lo_lim_reg); 1938 hi_lim = sc->sc_dc.dc_readreg(&sc->sc_dc, reg->hi_lim_reg); 1939 1940 if (sc->sc_temp_offset) { 1941 if (lo_lim > 0x01) { 1942 lims->sel_critmin = lo_lim - sc->sc_temp_offset; 1943 *props |= PROP_CRITMIN; 1944 } 1945 if (hi_lim != 0xff) { 1946 lims->sel_critmax = hi_lim - sc->sc_temp_offset; 1947 *props |= PROP_CRITMAX; 1948 } 1949 } else { 1950 if (lo_lim != 0x80 && lo_lim != 0x81) { 1951 lims->sel_critmin = (int8_t)lo_lim; 1952 *props |= PROP_CRITMIN; 1953 } 1954 1955 if (hi_lim != 0x7f) { 1956 lims->sel_critmax = (int8_t)hi_lim; 1957 *props |= PROP_CRITMAX; 1958 } 1959 } 1960 1961 /* Convert temp limits to microKelvin */ 1962 lims->sel_critmin *= 1000000; 1963 lims->sel_critmin += 273150000; 1964 lims->sel_critmax *= 1000000; 1965 lims->sel_critmax += 273150000; 1966 } 1967 1968 static void 1969 dbcool_get_volt_limits(struct dbcool_softc *sc, int idx, 1970 sysmon_envsys_lim_t *lims, uint32_t *props) 1971 { 1972 struct reg_list *reg = sc->sc_regs[idx]; 1973 int64_t limit; 1974 int nom; 1975 1976 nom = nominal_voltages[sc->sc_dc.dc_chip->table[idx].nom_volt_index]; 1977 if (nom < 0) 1978 nom = dbcool_supply_voltage(sc); 1979 nom *= 1000000; /* scale for microvolts */ 1980 1981 limit = sc->sc_dc.dc_readreg(&sc->sc_dc, reg->lo_lim_reg); 1982 if (limit != 0x00 && limit != 0xff) { 1983 limit *= nom; 1984 limit /= 0xc0; 1985 lims->sel_critmin = limit; 1986 *props |= PROP_CRITMIN; 1987 } 1988 limit = sc->sc_dc.dc_readreg(&sc->sc_dc, reg->hi_lim_reg); 1989 if (limit != 0x00 && limit != 0xff) { 1990 limit *= nom; 1991 limit /= 0xc0; 1992 lims->sel_critmax = limit; 1993 *props |= PROP_CRITMAX; 1994 } 1995 } 1996 1997 static void 1998 dbcool_get_fan_limits(struct dbcool_softc *sc, int idx, 1999 sysmon_envsys_lim_t *lims, uint32_t *props) 2000 { 2001 struct reg_list *reg = sc->sc_regs[idx]; 2002 int32_t limit; 2003 2004 limit = dbcool_read_rpm(sc, reg->lo_lim_reg); 2005 if (limit) { 2006 lims->sel_critmin = limit; 2007 *props |= PROP_CRITMIN; 2008 } 2009 } 2010 2011 /* 2012 * Update sensor limits in the chip registers 2013 */ 2014 static void 2015 dbcool_set_limits(struct sysmon_envsys *sme, envsys_data_t *edata, 2016 sysmon_envsys_lim_t *limits, uint32_t *props) 2017 { 2018 int index = edata->sensor; 2019 struct dbcool_softc *sc = sme->sme_cookie; 2020 2021 if (limits == NULL) { 2022 limits = &sc->sc_deflims[index]; 2023 props = &sc->sc_defprops[index]; 2024 } 2025 switch (edata->units) { 2026 case ENVSYS_STEMP: 2027 dbcool_set_temp_limits(sc, index, limits, props); 2028 break; 2029 case ENVSYS_SVOLTS_DC: 2030 dbcool_set_volt_limits(sc, index, limits, props); 2031 break; 2032 case ENVSYS_SFANRPM: 2033 dbcool_set_fan_limits(sc, index, limits, props); 2034 2035 /* FALLTHROUGH */ 2036 default: 2037 break; 2038 } 2039 *props &= ~PROP_DRIVER_LIMITS; 2040 } 2041 2042 static void 2043 dbcool_set_temp_limits(struct dbcool_softc *sc, int idx, 2044 sysmon_envsys_lim_t *lims, uint32_t *props) 2045 { 2046 struct reg_list *reg = sc->sc_regs[idx]; 2047 int32_t limit; 2048 2049 if (*props & PROP_CRITMIN) { 2050 limit = lims->sel_critmin - 273150000; 2051 limit /= 1000000; 2052 if (sc->sc_temp_offset) { 2053 limit += sc->sc_temp_offset; 2054 if (limit < 0) 2055 limit = 0; 2056 else if (limit > 255) 2057 limit = 255; 2058 } else { 2059 if (limit < -127) 2060 limit = -127; 2061 else if (limit > 127) 2062 limit = 127; 2063 } 2064 sc->sc_dc.dc_writereg(&sc->sc_dc, reg->lo_lim_reg, 2065 (uint8_t)limit); 2066 } else if (*props & PROP_DRIVER_LIMITS) { 2067 if (sc->sc_temp_offset) 2068 limit = 0x00; 2069 else 2070 limit = 0x80; 2071 sc->sc_dc.dc_writereg(&sc->sc_dc, reg->lo_lim_reg, 2072 (uint8_t)limit); 2073 } 2074 2075 if (*props & PROP_CRITMAX) { 2076 limit = lims->sel_critmax - 273150000; 2077 limit /= 1000000; 2078 if (sc->sc_temp_offset) { 2079 limit += sc->sc_temp_offset; 2080 if (limit < 0) 2081 limit = 0; 2082 else if (limit > 255) 2083 limit = 255; 2084 } else { 2085 if (limit < -127) 2086 limit = -127; 2087 else if (limit > 127) 2088 limit = 127; 2089 } 2090 sc->sc_dc.dc_writereg(&sc->sc_dc, reg->hi_lim_reg, 2091 (uint8_t)limit); 2092 } else if (*props & PROP_DRIVER_LIMITS) { 2093 if (sc->sc_temp_offset) 2094 limit = 0xff; 2095 else 2096 limit = 0x7f; 2097 sc->sc_dc.dc_writereg(&sc->sc_dc, reg->hi_lim_reg, 2098 (uint8_t)limit); 2099 } 2100 } 2101 2102 static void 2103 dbcool_set_volt_limits(struct dbcool_softc *sc, int idx, 2104 sysmon_envsys_lim_t *lims, uint32_t *props) 2105 { 2106 struct reg_list *reg = sc->sc_regs[idx]; 2107 int64_t limit; 2108 int nom; 2109 2110 nom = nominal_voltages[sc->sc_dc.dc_chip->table[idx].nom_volt_index]; 2111 if (nom < 0) 2112 nom = dbcool_supply_voltage(sc); 2113 nom *= 1000000; /* scale for microvolts */ 2114 2115 if (*props & PROP_CRITMIN) { 2116 limit = lims->sel_critmin; 2117 limit *= 0xc0; 2118 limit /= nom; 2119 if (limit > 0xff) 2120 limit = 0xff; 2121 else if (limit < 0) 2122 limit = 0; 2123 sc->sc_dc.dc_writereg(&sc->sc_dc, reg->lo_lim_reg, limit); 2124 } else if (*props & PROP_DRIVER_LIMITS) 2125 sc->sc_dc.dc_writereg(&sc->sc_dc, reg->lo_lim_reg, 0); 2126 2127 if (*props & PROP_CRITMAX) { 2128 limit = lims->sel_critmax; 2129 limit *= 0xc0; 2130 limit /= nom; 2131 if (limit > 0xff) 2132 limit = 0xff; 2133 else if (limit < 0) 2134 limit = 0; 2135 sc->sc_dc.dc_writereg(&sc->sc_dc, reg->hi_lim_reg, limit); 2136 } else if (*props & PROP_DRIVER_LIMITS) 2137 sc->sc_dc.dc_writereg(&sc->sc_dc, reg->hi_lim_reg, 0xff); 2138 } 2139 2140 static void 2141 dbcool_set_fan_limits(struct dbcool_softc *sc, int idx, 2142 sysmon_envsys_lim_t *lims, uint32_t *props) 2143 { 2144 struct reg_list *reg = sc->sc_regs[idx]; 2145 int32_t limit, dividend; 2146 2147 if (*props & PROP_CRITMIN) { 2148 limit = lims->sel_critmin; 2149 if (limit == 0) 2150 limit = 0xffff; 2151 else { 2152 if (sc->sc_dc.dc_chip->flags & DBCFLAG_ADM1030) 2153 dividend = 11250 * 60; 2154 else 2155 dividend = 90000 * 60; 2156 limit = limit / dividend; 2157 if (limit > 0xffff) 2158 limit = 0xffff; 2159 } 2160 sc->sc_dc.dc_writereg(&sc->sc_dc, reg->lo_lim_reg, 2161 limit & 0xff); 2162 limit >>= 8; 2163 sc->sc_dc.dc_writereg(&sc->sc_dc, reg->lo_lim_reg + 1, 2164 limit & 0xff); 2165 } else if (*props & PROP_DRIVER_LIMITS) { 2166 sc->sc_dc.dc_writereg(&sc->sc_dc, reg->lo_lim_reg, 0xff); 2167 sc->sc_dc.dc_writereg(&sc->sc_dc, reg->lo_lim_reg + 1, 0xff); 2168 } 2169 } 2170 2171 MODULE(MODULE_CLASS_DRIVER, dbcool, "iic"); 2172 2173 #ifdef _MODULE 2174 #include "ioconf.c" 2175 #endif 2176 2177 static int 2178 dbcool_modcmd(modcmd_t cmd, void *opaque) 2179 { 2180 int error = 0; 2181 2182 switch (cmd) { 2183 case MODULE_CMD_INIT: 2184 #ifdef _MODULE 2185 error = config_init_component(cfdriver_ioconf_dbcool, 2186 cfattach_ioconf_dbcool, cfdata_ioconf_dbcool); 2187 #endif 2188 return error; 2189 case MODULE_CMD_FINI: 2190 #ifdef _MODULE 2191 error = config_fini_component(cfdriver_ioconf_dbcool, 2192 cfattach_ioconf_dbcool, cfdata_ioconf_dbcool); 2193 #endif 2194 return error; 2195 default: 2196 return ENOTTY; 2197 } 2198 } 2199