1 /* 2 * lm93.c - Part of lm_sensors, Linux kernel modules for hardware monitoring 3 * 4 * Author/Maintainer: Mark M. Hoffman <mhoffman@lightlink.com> 5 * Copyright (c) 2004 Utilitek Systems, Inc. 6 * 7 * derived in part from lm78.c: 8 * Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl> 9 * 10 * derived in part from lm85.c: 11 * Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com> 12 * Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de> 13 * 14 * derived in part from w83l785ts.c: 15 * Copyright (c) 2003-2004 Jean Delvare <khali@linux-fr.org> 16 * 17 * Ported to Linux 2.6 by Eric J. Bowersox <ericb@aspsys.com> 18 * Copyright (c) 2005 Aspen Systems, Inc. 19 * 20 * Adapted to 2.6.20 by Carsten Emde <cbe@osadl.org> 21 * Copyright (c) 2006 Carsten Emde, Open Source Automation Development Lab 22 * 23 * Modified for mainline integration by Hans J. Koch <hjk@hansjkoch.de> 24 * Copyright (c) 2007 Hans J. Koch, Linutronix GmbH 25 * 26 * This program is free software; you can redistribute it and/or modify 27 * it under the terms of the GNU General Public License as published by 28 * the Free Software Foundation; either version 2 of the License, or 29 * (at your option) any later version. 30 * 31 * This program is distributed in the hope that it will be useful, 32 * but WITHOUT ANY WARRANTY; without even the implied warranty of 33 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 34 * GNU General Public License for more details. 35 * 36 * You should have received a copy of the GNU General Public License 37 * along with this program; if not, write to the Free Software 38 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 39 */ 40 41 #include <linux/module.h> 42 #include <linux/init.h> 43 #include <linux/slab.h> 44 #include <linux/i2c.h> 45 #include <linux/hwmon.h> 46 #include <linux/hwmon-sysfs.h> 47 #include <linux/hwmon-vid.h> 48 #include <linux/err.h> 49 #include <linux/delay.h> 50 #include <linux/jiffies.h> 51 52 /* LM93 REGISTER ADDRESSES */ 53 54 /* miscellaneous */ 55 #define LM93_REG_MFR_ID 0x3e 56 #define LM93_REG_VER 0x3f 57 #define LM93_REG_STATUS_CONTROL 0xe2 58 #define LM93_REG_CONFIG 0xe3 59 #define LM93_REG_SLEEP_CONTROL 0xe4 60 61 /* alarm values start here */ 62 #define LM93_REG_HOST_ERROR_1 0x48 63 64 /* voltage inputs: in1-in16 (nr => 0-15) */ 65 #define LM93_REG_IN(nr) (0x56 + (nr)) 66 #define LM93_REG_IN_MIN(nr) (0x90 + (nr) * 2) 67 #define LM93_REG_IN_MAX(nr) (0x91 + (nr) * 2) 68 69 /* temperature inputs: temp1-temp4 (nr => 0-3) */ 70 #define LM93_REG_TEMP(nr) (0x50 + (nr)) 71 #define LM93_REG_TEMP_MIN(nr) (0x78 + (nr) * 2) 72 #define LM93_REG_TEMP_MAX(nr) (0x79 + (nr) * 2) 73 74 /* temp[1-4]_auto_boost (nr => 0-3) */ 75 #define LM93_REG_BOOST(nr) (0x80 + (nr)) 76 77 /* #PROCHOT inputs: prochot1-prochot2 (nr => 0-1) */ 78 #define LM93_REG_PROCHOT_CUR(nr) (0x67 + (nr) * 2) 79 #define LM93_REG_PROCHOT_AVG(nr) (0x68 + (nr) * 2) 80 #define LM93_REG_PROCHOT_MAX(nr) (0xb0 + (nr)) 81 82 /* fan tach inputs: fan1-fan4 (nr => 0-3) */ 83 #define LM93_REG_FAN(nr) (0x6e + (nr) * 2) 84 #define LM93_REG_FAN_MIN(nr) (0xb4 + (nr) * 2) 85 86 /* pwm outputs: pwm1-pwm2 (nr => 0-1, reg => 0-3) */ 87 #define LM93_REG_PWM_CTL(nr, reg) (0xc8 + (reg) + (nr) * 4) 88 #define LM93_PWM_CTL1 0x0 89 #define LM93_PWM_CTL2 0x1 90 #define LM93_PWM_CTL3 0x2 91 #define LM93_PWM_CTL4 0x3 92 93 /* GPIO input state */ 94 #define LM93_REG_GPI 0x6b 95 96 /* vid inputs: vid1-vid2 (nr => 0-1) */ 97 #define LM93_REG_VID(nr) (0x6c + (nr)) 98 99 /* vccp1 & vccp2: VID relative inputs (nr => 0-1) */ 100 #define LM93_REG_VCCP_LIMIT_OFF(nr) (0xb2 + (nr)) 101 102 /* temp[1-4]_auto_boost_hyst */ 103 #define LM93_REG_BOOST_HYST_12 0xc0 104 #define LM93_REG_BOOST_HYST_34 0xc1 105 #define LM93_REG_BOOST_HYST(nr) (0xc0 + (nr)/2) 106 107 /* temp[1-4]_auto_pwm_[min|hyst] */ 108 #define LM93_REG_PWM_MIN_HYST_12 0xc3 109 #define LM93_REG_PWM_MIN_HYST_34 0xc4 110 #define LM93_REG_PWM_MIN_HYST(nr) (0xc3 + (nr)/2) 111 112 /* prochot_override & prochot_interval */ 113 #define LM93_REG_PROCHOT_OVERRIDE 0xc6 114 #define LM93_REG_PROCHOT_INTERVAL 0xc7 115 116 /* temp[1-4]_auto_base (nr => 0-3) */ 117 #define LM93_REG_TEMP_BASE(nr) (0xd0 + (nr)) 118 119 /* temp[1-4]_auto_offsets (step => 0-11) */ 120 #define LM93_REG_TEMP_OFFSET(step) (0xd4 + (step)) 121 122 /* #PROCHOT & #VRDHOT PWM ramp control */ 123 #define LM93_REG_PWM_RAMP_CTL 0xbf 124 125 /* miscellaneous */ 126 #define LM93_REG_SFC1 0xbc 127 #define LM93_REG_SFC2 0xbd 128 #define LM93_REG_GPI_VID_CTL 0xbe 129 #define LM93_REG_SF_TACH_TO_PWM 0xe0 130 131 /* error masks */ 132 #define LM93_REG_GPI_ERR_MASK 0xec 133 #define LM93_REG_MISC_ERR_MASK 0xed 134 135 /* LM93 REGISTER VALUES */ 136 #define LM93_MFR_ID 0x73 137 #define LM93_MFR_ID_PROTOTYPE 0x72 138 139 /* LM94 REGISTER VALUES */ 140 #define LM94_MFR_ID_2 0x7a 141 #define LM94_MFR_ID 0x79 142 #define LM94_MFR_ID_PROTOTYPE 0x78 143 144 /* SMBus capabilities */ 145 #define LM93_SMBUS_FUNC_FULL (I2C_FUNC_SMBUS_BYTE_DATA | \ 146 I2C_FUNC_SMBUS_WORD_DATA | I2C_FUNC_SMBUS_BLOCK_DATA) 147 #define LM93_SMBUS_FUNC_MIN (I2C_FUNC_SMBUS_BYTE_DATA | \ 148 I2C_FUNC_SMBUS_WORD_DATA) 149 150 /* Addresses to scan */ 151 static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; 152 153 /* Insmod parameters */ 154 155 static bool disable_block; 156 module_param(disable_block, bool, 0); 157 MODULE_PARM_DESC(disable_block, 158 "Set to non-zero to disable SMBus block data transactions."); 159 160 static bool init; 161 module_param(init, bool, 0); 162 MODULE_PARM_DESC(init, "Set to non-zero to force chip initialization."); 163 164 static int vccp_limit_type[2] = {0, 0}; 165 module_param_array(vccp_limit_type, int, NULL, 0); 166 MODULE_PARM_DESC(vccp_limit_type, "Configures in7 and in8 limit modes."); 167 168 static int vid_agtl; 169 module_param(vid_agtl, int, 0); 170 MODULE_PARM_DESC(vid_agtl, "Configures VID pin input thresholds."); 171 172 /* Driver data */ 173 static struct i2c_driver lm93_driver; 174 175 /* LM93 BLOCK READ COMMANDS */ 176 static const struct { u8 cmd; u8 len; } lm93_block_read_cmds[12] = { 177 { 0xf2, 8 }, 178 { 0xf3, 8 }, 179 { 0xf4, 6 }, 180 { 0xf5, 16 }, 181 { 0xf6, 4 }, 182 { 0xf7, 8 }, 183 { 0xf8, 12 }, 184 { 0xf9, 32 }, 185 { 0xfa, 8 }, 186 { 0xfb, 8 }, 187 { 0xfc, 16 }, 188 { 0xfd, 9 }, 189 }; 190 191 /* 192 * ALARMS: SYSCTL format described further below 193 * REG: 64 bits in 8 registers, as immediately below 194 */ 195 struct block1_t { 196 u8 host_status_1; 197 u8 host_status_2; 198 u8 host_status_3; 199 u8 host_status_4; 200 u8 p1_prochot_status; 201 u8 p2_prochot_status; 202 u8 gpi_status; 203 u8 fan_status; 204 }; 205 206 /* 207 * Client-specific data 208 */ 209 struct lm93_data { 210 struct device *hwmon_dev; 211 212 struct mutex update_lock; 213 unsigned long last_updated; /* In jiffies */ 214 215 /* client update function */ 216 void (*update)(struct lm93_data *, struct i2c_client *); 217 218 char valid; /* !=0 if following fields are valid */ 219 220 /* register values, arranged by block read groups */ 221 struct block1_t block1; 222 223 /* 224 * temp1 - temp4: unfiltered readings 225 * temp1 - temp2: filtered readings 226 */ 227 u8 block2[6]; 228 229 /* vin1 - vin16: readings */ 230 u8 block3[16]; 231 232 /* prochot1 - prochot2: readings */ 233 struct { 234 u8 cur; 235 u8 avg; 236 } block4[2]; 237 238 /* fan counts 1-4 => 14-bits, LE, *left* justified */ 239 u16 block5[4]; 240 241 /* block6 has a lot of data we don't need */ 242 struct { 243 u8 min; 244 u8 max; 245 } temp_lim[4]; 246 247 /* vin1 - vin16: low and high limits */ 248 struct { 249 u8 min; 250 u8 max; 251 } block7[16]; 252 253 /* fan count limits 1-4 => same format as block5 */ 254 u16 block8[4]; 255 256 /* pwm control registers (2 pwms, 4 regs) */ 257 u8 block9[2][4]; 258 259 /* auto/pwm base temp and offset temp registers */ 260 struct { 261 u8 base[4]; 262 u8 offset[12]; 263 } block10; 264 265 /* master config register */ 266 u8 config; 267 268 /* VID1 & VID2 => register format, 6-bits, right justified */ 269 u8 vid[2]; 270 271 /* prochot1 - prochot2: limits */ 272 u8 prochot_max[2]; 273 274 /* vccp1 & vccp2 (in7 & in8): VID relative limits (register format) */ 275 u8 vccp_limits[2]; 276 277 /* GPIO input state (register format, i.e. inverted) */ 278 u8 gpi; 279 280 /* #PROCHOT override (register format) */ 281 u8 prochot_override; 282 283 /* #PROCHOT intervals (register format) */ 284 u8 prochot_interval; 285 286 /* Fan Boost Temperatures (register format) */ 287 u8 boost[4]; 288 289 /* Fan Boost Hysteresis (register format) */ 290 u8 boost_hyst[2]; 291 292 /* Temperature Zone Min. PWM & Hysteresis (register format) */ 293 u8 auto_pwm_min_hyst[2]; 294 295 /* #PROCHOT & #VRDHOT PWM Ramp Control */ 296 u8 pwm_ramp_ctl; 297 298 /* miscellaneous setup regs */ 299 u8 sfc1; 300 u8 sfc2; 301 u8 sf_tach_to_pwm; 302 303 /* 304 * The two PWM CTL2 registers can read something other than what was 305 * last written for the OVR_DC field (duty cycle override). So, we 306 * save the user-commanded value here. 307 */ 308 u8 pwm_override[2]; 309 }; 310 311 /* 312 * VID: mV 313 * REG: 6-bits, right justified, *always* using Intel VRM/VRD 10 314 */ 315 static int LM93_VID_FROM_REG(u8 reg) 316 { 317 return vid_from_reg((reg & 0x3f), 100); 318 } 319 320 /* min, max, and nominal register values, per channel (u8) */ 321 static const u8 lm93_vin_reg_min[16] = { 322 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 323 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xae, 324 }; 325 static const u8 lm93_vin_reg_max[16] = { 326 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 327 0xff, 0xfa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xd1, 328 }; 329 /* 330 * Values from the datasheet. They're here for documentation only. 331 * static const u8 lm93_vin_reg_nom[16] = { 332 * 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 333 * 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x40, 0xc0, 334 * }; 335 */ 336 337 /* min, max, and nominal voltage readings, per channel (mV)*/ 338 static const unsigned long lm93_vin_val_min[16] = { 339 0, 0, 0, 0, 0, 0, 0, 0, 340 0, 0, 0, 0, 0, 0, 0, 3000, 341 }; 342 343 static const unsigned long lm93_vin_val_max[16] = { 344 1236, 1236, 1236, 1600, 2000, 2000, 1600, 1600, 345 4400, 6500, 3333, 2625, 1312, 1312, 1236, 3600, 346 }; 347 /* 348 * Values from the datasheet. They're here for documentation only. 349 * static const unsigned long lm93_vin_val_nom[16] = { 350 * 927, 927, 927, 1200, 1500, 1500, 1200, 1200, 351 * 3300, 5000, 2500, 1969, 984, 984, 309, 3300, 352 * }; 353 */ 354 355 static unsigned LM93_IN_FROM_REG(int nr, u8 reg) 356 { 357 const long uV_max = lm93_vin_val_max[nr] * 1000; 358 const long uV_min = lm93_vin_val_min[nr] * 1000; 359 360 const long slope = (uV_max - uV_min) / 361 (lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]); 362 const long intercept = uV_min - slope * lm93_vin_reg_min[nr]; 363 364 return (slope * reg + intercept + 500) / 1000; 365 } 366 367 /* 368 * IN: mV, limits determined by channel nr 369 * REG: scaling determined by channel nr 370 */ 371 static u8 LM93_IN_TO_REG(int nr, unsigned val) 372 { 373 /* range limit */ 374 const long mV = SENSORS_LIMIT(val, 375 lm93_vin_val_min[nr], lm93_vin_val_max[nr]); 376 377 /* try not to lose too much precision here */ 378 const long uV = mV * 1000; 379 const long uV_max = lm93_vin_val_max[nr] * 1000; 380 const long uV_min = lm93_vin_val_min[nr] * 1000; 381 382 /* convert */ 383 const long slope = (uV_max - uV_min) / 384 (lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]); 385 const long intercept = uV_min - slope * lm93_vin_reg_min[nr]; 386 387 u8 result = ((uV - intercept + (slope/2)) / slope); 388 result = SENSORS_LIMIT(result, 389 lm93_vin_reg_min[nr], lm93_vin_reg_max[nr]); 390 return result; 391 } 392 393 /* vid in mV, upper == 0 indicates low limit, otherwise upper limit */ 394 static unsigned LM93_IN_REL_FROM_REG(u8 reg, int upper, int vid) 395 { 396 const long uV_offset = upper ? (((reg >> 4 & 0x0f) + 1) * 12500) : 397 (((reg >> 0 & 0x0f) + 1) * -25000); 398 const long uV_vid = vid * 1000; 399 return (uV_vid + uV_offset + 5000) / 10000; 400 } 401 402 #define LM93_IN_MIN_FROM_REG(reg, vid) LM93_IN_REL_FROM_REG((reg), 0, (vid)) 403 #define LM93_IN_MAX_FROM_REG(reg, vid) LM93_IN_REL_FROM_REG((reg), 1, (vid)) 404 405 /* 406 * vid in mV , upper == 0 indicates low limit, otherwise upper limit 407 * upper also determines which nibble of the register is returned 408 * (the other nibble will be 0x0) 409 */ 410 static u8 LM93_IN_REL_TO_REG(unsigned val, int upper, int vid) 411 { 412 long uV_offset = vid * 1000 - val * 10000; 413 if (upper) { 414 uV_offset = SENSORS_LIMIT(uV_offset, 12500, 200000); 415 return (u8)((uV_offset / 12500 - 1) << 4); 416 } else { 417 uV_offset = SENSORS_LIMIT(uV_offset, -400000, -25000); 418 return (u8)((uV_offset / -25000 - 1) << 0); 419 } 420 } 421 422 /* 423 * TEMP: 1/1000 degrees C (-128C to +127C) 424 * REG: 1C/bit, two's complement 425 */ 426 static int LM93_TEMP_FROM_REG(u8 reg) 427 { 428 return (s8)reg * 1000; 429 } 430 431 #define LM93_TEMP_MIN (-128000) 432 #define LM93_TEMP_MAX (127000) 433 434 /* 435 * TEMP: 1/1000 degrees C (-128C to +127C) 436 * REG: 1C/bit, two's complement 437 */ 438 static u8 LM93_TEMP_TO_REG(long temp) 439 { 440 int ntemp = SENSORS_LIMIT(temp, LM93_TEMP_MIN, LM93_TEMP_MAX); 441 ntemp += (ntemp < 0 ? -500 : 500); 442 return (u8)(ntemp / 1000); 443 } 444 445 /* Determine 4-bit temperature offset resolution */ 446 static int LM93_TEMP_OFFSET_MODE_FROM_REG(u8 sfc2, int nr) 447 { 448 /* mode: 0 => 1C/bit, nonzero => 0.5C/bit */ 449 return sfc2 & (nr < 2 ? 0x10 : 0x20); 450 } 451 452 /* 453 * This function is common to all 4-bit temperature offsets 454 * reg is 4 bits right justified 455 * mode 0 => 1C/bit, mode !0 => 0.5C/bit 456 */ 457 static int LM93_TEMP_OFFSET_FROM_REG(u8 reg, int mode) 458 { 459 return (reg & 0x0f) * (mode ? 5 : 10); 460 } 461 462 #define LM93_TEMP_OFFSET_MIN (0) 463 #define LM93_TEMP_OFFSET_MAX0 (150) 464 #define LM93_TEMP_OFFSET_MAX1 (75) 465 466 /* 467 * This function is common to all 4-bit temperature offsets 468 * returns 4 bits right justified 469 * mode 0 => 1C/bit, mode !0 => 0.5C/bit 470 */ 471 static u8 LM93_TEMP_OFFSET_TO_REG(int off, int mode) 472 { 473 int factor = mode ? 5 : 10; 474 475 off = SENSORS_LIMIT(off, LM93_TEMP_OFFSET_MIN, 476 mode ? LM93_TEMP_OFFSET_MAX1 : LM93_TEMP_OFFSET_MAX0); 477 return (u8)((off + factor/2) / factor); 478 } 479 480 /* 0 <= nr <= 3 */ 481 static int LM93_TEMP_AUTO_OFFSET_FROM_REG(u8 reg, int nr, int mode) 482 { 483 /* temp1-temp2 (nr=0,1) use lower nibble */ 484 if (nr < 2) 485 return LM93_TEMP_OFFSET_FROM_REG(reg & 0x0f, mode); 486 487 /* temp3-temp4 (nr=2,3) use upper nibble */ 488 else 489 return LM93_TEMP_OFFSET_FROM_REG(reg >> 4 & 0x0f, mode); 490 } 491 492 /* 493 * TEMP: 1/10 degrees C (0C to +15C (mode 0) or +7.5C (mode non-zero)) 494 * REG: 1.0C/bit (mode 0) or 0.5C/bit (mode non-zero) 495 * 0 <= nr <= 3 496 */ 497 static u8 LM93_TEMP_AUTO_OFFSET_TO_REG(u8 old, int off, int nr, int mode) 498 { 499 u8 new = LM93_TEMP_OFFSET_TO_REG(off, mode); 500 501 /* temp1-temp2 (nr=0,1) use lower nibble */ 502 if (nr < 2) 503 return (old & 0xf0) | (new & 0x0f); 504 505 /* temp3-temp4 (nr=2,3) use upper nibble */ 506 else 507 return (new << 4 & 0xf0) | (old & 0x0f); 508 } 509 510 static int LM93_AUTO_BOOST_HYST_FROM_REGS(struct lm93_data *data, int nr, 511 int mode) 512 { 513 u8 reg; 514 515 switch (nr) { 516 case 0: 517 reg = data->boost_hyst[0] & 0x0f; 518 break; 519 case 1: 520 reg = data->boost_hyst[0] >> 4 & 0x0f; 521 break; 522 case 2: 523 reg = data->boost_hyst[1] & 0x0f; 524 break; 525 case 3: 526 default: 527 reg = data->boost_hyst[1] >> 4 & 0x0f; 528 break; 529 } 530 531 return LM93_TEMP_FROM_REG(data->boost[nr]) - 532 LM93_TEMP_OFFSET_FROM_REG(reg, mode); 533 } 534 535 static u8 LM93_AUTO_BOOST_HYST_TO_REG(struct lm93_data *data, long hyst, 536 int nr, int mode) 537 { 538 u8 reg = LM93_TEMP_OFFSET_TO_REG( 539 (LM93_TEMP_FROM_REG(data->boost[nr]) - hyst), mode); 540 541 switch (nr) { 542 case 0: 543 reg = (data->boost_hyst[0] & 0xf0) | (reg & 0x0f); 544 break; 545 case 1: 546 reg = (reg << 4 & 0xf0) | (data->boost_hyst[0] & 0x0f); 547 break; 548 case 2: 549 reg = (data->boost_hyst[1] & 0xf0) | (reg & 0x0f); 550 break; 551 case 3: 552 default: 553 reg = (reg << 4 & 0xf0) | (data->boost_hyst[1] & 0x0f); 554 break; 555 } 556 557 return reg; 558 } 559 560 /* 561 * PWM: 0-255 per sensors documentation 562 * REG: 0-13 as mapped below... right justified 563 */ 564 enum pwm_freq { LM93_PWM_MAP_HI_FREQ, LM93_PWM_MAP_LO_FREQ }; 565 566 static int lm93_pwm_map[2][16] = { 567 { 568 0x00, /* 0.00% */ 0x40, /* 25.00% */ 569 0x50, /* 31.25% */ 0x60, /* 37.50% */ 570 0x70, /* 43.75% */ 0x80, /* 50.00% */ 571 0x90, /* 56.25% */ 0xa0, /* 62.50% */ 572 0xb0, /* 68.75% */ 0xc0, /* 75.00% */ 573 0xd0, /* 81.25% */ 0xe0, /* 87.50% */ 574 0xf0, /* 93.75% */ 0xff, /* 100.00% */ 575 0xff, 0xff, /* 14, 15 are reserved and should never occur */ 576 }, 577 { 578 0x00, /* 0.00% */ 0x40, /* 25.00% */ 579 0x49, /* 28.57% */ 0x52, /* 32.14% */ 580 0x5b, /* 35.71% */ 0x64, /* 39.29% */ 581 0x6d, /* 42.86% */ 0x76, /* 46.43% */ 582 0x80, /* 50.00% */ 0x89, /* 53.57% */ 583 0x92, /* 57.14% */ 0xb6, /* 71.43% */ 584 0xdb, /* 85.71% */ 0xff, /* 100.00% */ 585 0xff, 0xff, /* 14, 15 are reserved and should never occur */ 586 }, 587 }; 588 589 static int LM93_PWM_FROM_REG(u8 reg, enum pwm_freq freq) 590 { 591 return lm93_pwm_map[freq][reg & 0x0f]; 592 } 593 594 /* round up to nearest match */ 595 static u8 LM93_PWM_TO_REG(int pwm, enum pwm_freq freq) 596 { 597 int i; 598 for (i = 0; i < 13; i++) 599 if (pwm <= lm93_pwm_map[freq][i]) 600 break; 601 602 /* can fall through with i==13 */ 603 return (u8)i; 604 } 605 606 static int LM93_FAN_FROM_REG(u16 regs) 607 { 608 const u16 count = le16_to_cpu(regs) >> 2; 609 return count == 0 ? -1 : count == 0x3fff ? 0 : 1350000 / count; 610 } 611 612 /* 613 * RPM: (82.5 to 1350000) 614 * REG: 14-bits, LE, *left* justified 615 */ 616 static u16 LM93_FAN_TO_REG(long rpm) 617 { 618 u16 count, regs; 619 620 if (rpm == 0) { 621 count = 0x3fff; 622 } else { 623 rpm = SENSORS_LIMIT(rpm, 1, 1000000); 624 count = SENSORS_LIMIT((1350000 + rpm) / rpm, 1, 0x3ffe); 625 } 626 627 regs = count << 2; 628 return cpu_to_le16(regs); 629 } 630 631 /* 632 * PWM FREQ: HZ 633 * REG: 0-7 as mapped below 634 */ 635 static int lm93_pwm_freq_map[8] = { 636 22500, 96, 84, 72, 60, 48, 36, 12 637 }; 638 639 static int LM93_PWM_FREQ_FROM_REG(u8 reg) 640 { 641 return lm93_pwm_freq_map[reg & 0x07]; 642 } 643 644 /* round up to nearest match */ 645 static u8 LM93_PWM_FREQ_TO_REG(int freq) 646 { 647 int i; 648 for (i = 7; i > 0; i--) 649 if (freq <= lm93_pwm_freq_map[i]) 650 break; 651 652 /* can fall through with i==0 */ 653 return (u8)i; 654 } 655 656 /* 657 * TIME: 1/100 seconds 658 * REG: 0-7 as mapped below 659 */ 660 static int lm93_spinup_time_map[8] = { 661 0, 10, 25, 40, 70, 100, 200, 400, 662 }; 663 664 static int LM93_SPINUP_TIME_FROM_REG(u8 reg) 665 { 666 return lm93_spinup_time_map[reg >> 5 & 0x07]; 667 } 668 669 /* round up to nearest match */ 670 static u8 LM93_SPINUP_TIME_TO_REG(int time) 671 { 672 int i; 673 for (i = 0; i < 7; i++) 674 if (time <= lm93_spinup_time_map[i]) 675 break; 676 677 /* can fall through with i==8 */ 678 return (u8)i; 679 } 680 681 #define LM93_RAMP_MIN 0 682 #define LM93_RAMP_MAX 75 683 684 static int LM93_RAMP_FROM_REG(u8 reg) 685 { 686 return (reg & 0x0f) * 5; 687 } 688 689 /* 690 * RAMP: 1/100 seconds 691 * REG: 50mS/bit 4-bits right justified 692 */ 693 static u8 LM93_RAMP_TO_REG(int ramp) 694 { 695 ramp = SENSORS_LIMIT(ramp, LM93_RAMP_MIN, LM93_RAMP_MAX); 696 return (u8)((ramp + 2) / 5); 697 } 698 699 /* 700 * PROCHOT: 0-255, 0 => 0%, 255 => > 96.6% 701 * REG: (same) 702 */ 703 static u8 LM93_PROCHOT_TO_REG(long prochot) 704 { 705 prochot = SENSORS_LIMIT(prochot, 0, 255); 706 return (u8)prochot; 707 } 708 709 /* 710 * PROCHOT-INTERVAL: 73 - 37200 (1/100 seconds) 711 * REG: 0-9 as mapped below 712 */ 713 static int lm93_interval_map[10] = { 714 73, 146, 290, 580, 1170, 2330, 4660, 9320, 18600, 37200, 715 }; 716 717 static int LM93_INTERVAL_FROM_REG(u8 reg) 718 { 719 return lm93_interval_map[reg & 0x0f]; 720 } 721 722 /* round up to nearest match */ 723 static u8 LM93_INTERVAL_TO_REG(long interval) 724 { 725 int i; 726 for (i = 0; i < 9; i++) 727 if (interval <= lm93_interval_map[i]) 728 break; 729 730 /* can fall through with i==9 */ 731 return (u8)i; 732 } 733 734 /* 735 * GPIO: 0-255, GPIO0 is LSB 736 * REG: inverted 737 */ 738 static unsigned LM93_GPI_FROM_REG(u8 reg) 739 { 740 return ~reg & 0xff; 741 } 742 743 /* 744 * alarm bitmask definitions 745 * The LM93 has nearly 64 bits of error status... I've pared that down to 746 * what I think is a useful subset in order to fit it into 32 bits. 747 * 748 * Especially note that the #VRD_HOT alarms are missing because we provide 749 * that information as values in another sysfs file. 750 * 751 * If libsensors is extended to support 64 bit values, this could be revisited. 752 */ 753 #define LM93_ALARM_IN1 0x00000001 754 #define LM93_ALARM_IN2 0x00000002 755 #define LM93_ALARM_IN3 0x00000004 756 #define LM93_ALARM_IN4 0x00000008 757 #define LM93_ALARM_IN5 0x00000010 758 #define LM93_ALARM_IN6 0x00000020 759 #define LM93_ALARM_IN7 0x00000040 760 #define LM93_ALARM_IN8 0x00000080 761 #define LM93_ALARM_IN9 0x00000100 762 #define LM93_ALARM_IN10 0x00000200 763 #define LM93_ALARM_IN11 0x00000400 764 #define LM93_ALARM_IN12 0x00000800 765 #define LM93_ALARM_IN13 0x00001000 766 #define LM93_ALARM_IN14 0x00002000 767 #define LM93_ALARM_IN15 0x00004000 768 #define LM93_ALARM_IN16 0x00008000 769 #define LM93_ALARM_FAN1 0x00010000 770 #define LM93_ALARM_FAN2 0x00020000 771 #define LM93_ALARM_FAN3 0x00040000 772 #define LM93_ALARM_FAN4 0x00080000 773 #define LM93_ALARM_PH1_ERR 0x00100000 774 #define LM93_ALARM_PH2_ERR 0x00200000 775 #define LM93_ALARM_SCSI1_ERR 0x00400000 776 #define LM93_ALARM_SCSI2_ERR 0x00800000 777 #define LM93_ALARM_DVDDP1_ERR 0x01000000 778 #define LM93_ALARM_DVDDP2_ERR 0x02000000 779 #define LM93_ALARM_D1_ERR 0x04000000 780 #define LM93_ALARM_D2_ERR 0x08000000 781 #define LM93_ALARM_TEMP1 0x10000000 782 #define LM93_ALARM_TEMP2 0x20000000 783 #define LM93_ALARM_TEMP3 0x40000000 784 785 static unsigned LM93_ALARMS_FROM_REG(struct block1_t b1) 786 { 787 unsigned result; 788 result = b1.host_status_2 & 0x3f; 789 790 if (vccp_limit_type[0]) 791 result |= (b1.host_status_4 & 0x10) << 2; 792 else 793 result |= b1.host_status_2 & 0x40; 794 795 if (vccp_limit_type[1]) 796 result |= (b1.host_status_4 & 0x20) << 2; 797 else 798 result |= b1.host_status_2 & 0x80; 799 800 result |= b1.host_status_3 << 8; 801 result |= (b1.fan_status & 0x0f) << 16; 802 result |= (b1.p1_prochot_status & 0x80) << 13; 803 result |= (b1.p2_prochot_status & 0x80) << 14; 804 result |= (b1.host_status_4 & 0xfc) << 20; 805 result |= (b1.host_status_1 & 0x07) << 28; 806 return result; 807 } 808 809 #define MAX_RETRIES 5 810 811 static u8 lm93_read_byte(struct i2c_client *client, u8 reg) 812 { 813 int value, i; 814 815 /* retry in case of read errors */ 816 for (i = 1; i <= MAX_RETRIES; i++) { 817 value = i2c_smbus_read_byte_data(client, reg); 818 if (value >= 0) { 819 return value; 820 } else { 821 dev_warn(&client->dev, "lm93: read byte data failed, " 822 "address 0x%02x.\n", reg); 823 mdelay(i + 3); 824 } 825 826 } 827 828 /* <TODO> what to return in case of error? */ 829 dev_err(&client->dev, "lm93: All read byte retries failed!!\n"); 830 return 0; 831 } 832 833 static int lm93_write_byte(struct i2c_client *client, u8 reg, u8 value) 834 { 835 int result; 836 837 /* <TODO> how to handle write errors? */ 838 result = i2c_smbus_write_byte_data(client, reg, value); 839 840 if (result < 0) 841 dev_warn(&client->dev, "lm93: write byte data failed, " 842 "0x%02x at address 0x%02x.\n", value, reg); 843 844 return result; 845 } 846 847 static u16 lm93_read_word(struct i2c_client *client, u8 reg) 848 { 849 int value, i; 850 851 /* retry in case of read errors */ 852 for (i = 1; i <= MAX_RETRIES; i++) { 853 value = i2c_smbus_read_word_data(client, reg); 854 if (value >= 0) { 855 return value; 856 } else { 857 dev_warn(&client->dev, "lm93: read word data failed, " 858 "address 0x%02x.\n", reg); 859 mdelay(i + 3); 860 } 861 862 } 863 864 /* <TODO> what to return in case of error? */ 865 dev_err(&client->dev, "lm93: All read word retries failed!!\n"); 866 return 0; 867 } 868 869 static int lm93_write_word(struct i2c_client *client, u8 reg, u16 value) 870 { 871 int result; 872 873 /* <TODO> how to handle write errors? */ 874 result = i2c_smbus_write_word_data(client, reg, value); 875 876 if (result < 0) 877 dev_warn(&client->dev, "lm93: write word data failed, " 878 "0x%04x at address 0x%02x.\n", value, reg); 879 880 return result; 881 } 882 883 static u8 lm93_block_buffer[I2C_SMBUS_BLOCK_MAX]; 884 885 /* 886 * read block data into values, retry if not expected length 887 * fbn => index to lm93_block_read_cmds table 888 * (Fixed Block Number - section 14.5.2 of LM93 datasheet) 889 */ 890 static void lm93_read_block(struct i2c_client *client, u8 fbn, u8 *values) 891 { 892 int i, result = 0; 893 894 for (i = 1; i <= MAX_RETRIES; i++) { 895 result = i2c_smbus_read_block_data(client, 896 lm93_block_read_cmds[fbn].cmd, lm93_block_buffer); 897 898 if (result == lm93_block_read_cmds[fbn].len) { 899 break; 900 } else { 901 dev_warn(&client->dev, "lm93: block read data failed, " 902 "command 0x%02x.\n", 903 lm93_block_read_cmds[fbn].cmd); 904 mdelay(i + 3); 905 } 906 } 907 908 if (result == lm93_block_read_cmds[fbn].len) { 909 memcpy(values, lm93_block_buffer, 910 lm93_block_read_cmds[fbn].len); 911 } else { 912 /* <TODO> what to do in case of error? */ 913 } 914 } 915 916 static struct lm93_data *lm93_update_device(struct device *dev) 917 { 918 struct i2c_client *client = to_i2c_client(dev); 919 struct lm93_data *data = i2c_get_clientdata(client); 920 const unsigned long interval = HZ + (HZ / 2); 921 922 mutex_lock(&data->update_lock); 923 924 if (time_after(jiffies, data->last_updated + interval) || 925 !data->valid) { 926 927 data->update(data, client); 928 data->last_updated = jiffies; 929 data->valid = 1; 930 } 931 932 mutex_unlock(&data->update_lock); 933 return data; 934 } 935 936 /* update routine for data that has no corresponding SMBus block command */ 937 static void lm93_update_client_common(struct lm93_data *data, 938 struct i2c_client *client) 939 { 940 int i; 941 u8 *ptr; 942 943 /* temp1 - temp4: limits */ 944 for (i = 0; i < 4; i++) { 945 data->temp_lim[i].min = 946 lm93_read_byte(client, LM93_REG_TEMP_MIN(i)); 947 data->temp_lim[i].max = 948 lm93_read_byte(client, LM93_REG_TEMP_MAX(i)); 949 } 950 951 /* config register */ 952 data->config = lm93_read_byte(client, LM93_REG_CONFIG); 953 954 /* vid1 - vid2: values */ 955 for (i = 0; i < 2; i++) 956 data->vid[i] = lm93_read_byte(client, LM93_REG_VID(i)); 957 958 /* prochot1 - prochot2: limits */ 959 for (i = 0; i < 2; i++) 960 data->prochot_max[i] = lm93_read_byte(client, 961 LM93_REG_PROCHOT_MAX(i)); 962 963 /* vccp1 - vccp2: VID relative limits */ 964 for (i = 0; i < 2; i++) 965 data->vccp_limits[i] = lm93_read_byte(client, 966 LM93_REG_VCCP_LIMIT_OFF(i)); 967 968 /* GPIO input state */ 969 data->gpi = lm93_read_byte(client, LM93_REG_GPI); 970 971 /* #PROCHOT override state */ 972 data->prochot_override = lm93_read_byte(client, 973 LM93_REG_PROCHOT_OVERRIDE); 974 975 /* #PROCHOT intervals */ 976 data->prochot_interval = lm93_read_byte(client, 977 LM93_REG_PROCHOT_INTERVAL); 978 979 /* Fan Boost Temperature registers */ 980 for (i = 0; i < 4; i++) 981 data->boost[i] = lm93_read_byte(client, LM93_REG_BOOST(i)); 982 983 /* Fan Boost Temperature Hyst. registers */ 984 data->boost_hyst[0] = lm93_read_byte(client, LM93_REG_BOOST_HYST_12); 985 data->boost_hyst[1] = lm93_read_byte(client, LM93_REG_BOOST_HYST_34); 986 987 /* Temperature Zone Min. PWM & Hysteresis registers */ 988 data->auto_pwm_min_hyst[0] = 989 lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_12); 990 data->auto_pwm_min_hyst[1] = 991 lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_34); 992 993 /* #PROCHOT & #VRDHOT PWM Ramp Control register */ 994 data->pwm_ramp_ctl = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL); 995 996 /* misc setup registers */ 997 data->sfc1 = lm93_read_byte(client, LM93_REG_SFC1); 998 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); 999 data->sf_tach_to_pwm = lm93_read_byte(client, 1000 LM93_REG_SF_TACH_TO_PWM); 1001 1002 /* write back alarm values to clear */ 1003 for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++) 1004 lm93_write_byte(client, LM93_REG_HOST_ERROR_1 + i, *(ptr + i)); 1005 } 1006 1007 /* update routine which uses SMBus block data commands */ 1008 static void lm93_update_client_full(struct lm93_data *data, 1009 struct i2c_client *client) 1010 { 1011 dev_dbg(&client->dev, "starting device update (block data enabled)\n"); 1012 1013 /* in1 - in16: values & limits */ 1014 lm93_read_block(client, 3, (u8 *)(data->block3)); 1015 lm93_read_block(client, 7, (u8 *)(data->block7)); 1016 1017 /* temp1 - temp4: values */ 1018 lm93_read_block(client, 2, (u8 *)(data->block2)); 1019 1020 /* prochot1 - prochot2: values */ 1021 lm93_read_block(client, 4, (u8 *)(data->block4)); 1022 1023 /* fan1 - fan4: values & limits */ 1024 lm93_read_block(client, 5, (u8 *)(data->block5)); 1025 lm93_read_block(client, 8, (u8 *)(data->block8)); 1026 1027 /* pmw control registers */ 1028 lm93_read_block(client, 9, (u8 *)(data->block9)); 1029 1030 /* alarm values */ 1031 lm93_read_block(client, 1, (u8 *)(&data->block1)); 1032 1033 /* auto/pwm registers */ 1034 lm93_read_block(client, 10, (u8 *)(&data->block10)); 1035 1036 lm93_update_client_common(data, client); 1037 } 1038 1039 /* update routine which uses SMBus byte/word data commands only */ 1040 static void lm93_update_client_min(struct lm93_data *data, 1041 struct i2c_client *client) 1042 { 1043 int i, j; 1044 u8 *ptr; 1045 1046 dev_dbg(&client->dev, "starting device update (block data disabled)\n"); 1047 1048 /* in1 - in16: values & limits */ 1049 for (i = 0; i < 16; i++) { 1050 data->block3[i] = 1051 lm93_read_byte(client, LM93_REG_IN(i)); 1052 data->block7[i].min = 1053 lm93_read_byte(client, LM93_REG_IN_MIN(i)); 1054 data->block7[i].max = 1055 lm93_read_byte(client, LM93_REG_IN_MAX(i)); 1056 } 1057 1058 /* temp1 - temp4: values */ 1059 for (i = 0; i < 4; i++) { 1060 data->block2[i] = 1061 lm93_read_byte(client, LM93_REG_TEMP(i)); 1062 } 1063 1064 /* prochot1 - prochot2: values */ 1065 for (i = 0; i < 2; i++) { 1066 data->block4[i].cur = 1067 lm93_read_byte(client, LM93_REG_PROCHOT_CUR(i)); 1068 data->block4[i].avg = 1069 lm93_read_byte(client, LM93_REG_PROCHOT_AVG(i)); 1070 } 1071 1072 /* fan1 - fan4: values & limits */ 1073 for (i = 0; i < 4; i++) { 1074 data->block5[i] = 1075 lm93_read_word(client, LM93_REG_FAN(i)); 1076 data->block8[i] = 1077 lm93_read_word(client, LM93_REG_FAN_MIN(i)); 1078 } 1079 1080 /* pwm control registers */ 1081 for (i = 0; i < 2; i++) { 1082 for (j = 0; j < 4; j++) { 1083 data->block9[i][j] = 1084 lm93_read_byte(client, LM93_REG_PWM_CTL(i, j)); 1085 } 1086 } 1087 1088 /* alarm values */ 1089 for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++) { 1090 *(ptr + i) = 1091 lm93_read_byte(client, LM93_REG_HOST_ERROR_1 + i); 1092 } 1093 1094 /* auto/pwm (base temp) registers */ 1095 for (i = 0; i < 4; i++) { 1096 data->block10.base[i] = 1097 lm93_read_byte(client, LM93_REG_TEMP_BASE(i)); 1098 } 1099 1100 /* auto/pwm (offset temp) registers */ 1101 for (i = 0; i < 12; i++) { 1102 data->block10.offset[i] = 1103 lm93_read_byte(client, LM93_REG_TEMP_OFFSET(i)); 1104 } 1105 1106 lm93_update_client_common(data, client); 1107 } 1108 1109 /* following are the sysfs callback functions */ 1110 static ssize_t show_in(struct device *dev, struct device_attribute *attr, 1111 char *buf) 1112 { 1113 int nr = (to_sensor_dev_attr(attr))->index; 1114 1115 struct lm93_data *data = lm93_update_device(dev); 1116 return sprintf(buf, "%d\n", LM93_IN_FROM_REG(nr, data->block3[nr])); 1117 } 1118 1119 static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 0); 1120 static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 1); 1121 static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 2); 1122 static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 3); 1123 static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 4); 1124 static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 5); 1125 static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 6); 1126 static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 7); 1127 static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_in, NULL, 8); 1128 static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_in, NULL, 9); 1129 static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, show_in, NULL, 10); 1130 static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, show_in, NULL, 11); 1131 static SENSOR_DEVICE_ATTR(in13_input, S_IRUGO, show_in, NULL, 12); 1132 static SENSOR_DEVICE_ATTR(in14_input, S_IRUGO, show_in, NULL, 13); 1133 static SENSOR_DEVICE_ATTR(in15_input, S_IRUGO, show_in, NULL, 14); 1134 static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in, NULL, 15); 1135 1136 static ssize_t show_in_min(struct device *dev, 1137 struct device_attribute *attr, char *buf) 1138 { 1139 int nr = (to_sensor_dev_attr(attr))->index; 1140 struct lm93_data *data = lm93_update_device(dev); 1141 int vccp = nr - 6; 1142 long rc, vid; 1143 1144 if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) { 1145 vid = LM93_VID_FROM_REG(data->vid[vccp]); 1146 rc = LM93_IN_MIN_FROM_REG(data->vccp_limits[vccp], vid); 1147 } else { 1148 rc = LM93_IN_FROM_REG(nr, data->block7[nr].min); 1149 } 1150 return sprintf(buf, "%ld\n", rc); 1151 } 1152 1153 static ssize_t store_in_min(struct device *dev, struct device_attribute *attr, 1154 const char *buf, size_t count) 1155 { 1156 int nr = (to_sensor_dev_attr(attr))->index; 1157 struct i2c_client *client = to_i2c_client(dev); 1158 struct lm93_data *data = i2c_get_clientdata(client); 1159 int vccp = nr - 6; 1160 long vid; 1161 unsigned long val; 1162 int err; 1163 1164 err = kstrtoul(buf, 10, &val); 1165 if (err) 1166 return err; 1167 1168 mutex_lock(&data->update_lock); 1169 if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) { 1170 vid = LM93_VID_FROM_REG(data->vid[vccp]); 1171 data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0xf0) | 1172 LM93_IN_REL_TO_REG(val, 0, vid); 1173 lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp), 1174 data->vccp_limits[vccp]); 1175 } else { 1176 data->block7[nr].min = LM93_IN_TO_REG(nr, val); 1177 lm93_write_byte(client, LM93_REG_IN_MIN(nr), 1178 data->block7[nr].min); 1179 } 1180 mutex_unlock(&data->update_lock); 1181 return count; 1182 } 1183 1184 static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, 1185 show_in_min, store_in_min, 0); 1186 static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, 1187 show_in_min, store_in_min, 1); 1188 static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO, 1189 show_in_min, store_in_min, 2); 1190 static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO, 1191 show_in_min, store_in_min, 3); 1192 static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO, 1193 show_in_min, store_in_min, 4); 1194 static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO, 1195 show_in_min, store_in_min, 5); 1196 static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO, 1197 show_in_min, store_in_min, 6); 1198 static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO, 1199 show_in_min, store_in_min, 7); 1200 static SENSOR_DEVICE_ATTR(in9_min, S_IWUSR | S_IRUGO, 1201 show_in_min, store_in_min, 8); 1202 static SENSOR_DEVICE_ATTR(in10_min, S_IWUSR | S_IRUGO, 1203 show_in_min, store_in_min, 9); 1204 static SENSOR_DEVICE_ATTR(in11_min, S_IWUSR | S_IRUGO, 1205 show_in_min, store_in_min, 10); 1206 static SENSOR_DEVICE_ATTR(in12_min, S_IWUSR | S_IRUGO, 1207 show_in_min, store_in_min, 11); 1208 static SENSOR_DEVICE_ATTR(in13_min, S_IWUSR | S_IRUGO, 1209 show_in_min, store_in_min, 12); 1210 static SENSOR_DEVICE_ATTR(in14_min, S_IWUSR | S_IRUGO, 1211 show_in_min, store_in_min, 13); 1212 static SENSOR_DEVICE_ATTR(in15_min, S_IWUSR | S_IRUGO, 1213 show_in_min, store_in_min, 14); 1214 static SENSOR_DEVICE_ATTR(in16_min, S_IWUSR | S_IRUGO, 1215 show_in_min, store_in_min, 15); 1216 1217 static ssize_t show_in_max(struct device *dev, 1218 struct device_attribute *attr, char *buf) 1219 { 1220 int nr = (to_sensor_dev_attr(attr))->index; 1221 struct lm93_data *data = lm93_update_device(dev); 1222 int vccp = nr - 6; 1223 long rc, vid; 1224 1225 if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) { 1226 vid = LM93_VID_FROM_REG(data->vid[vccp]); 1227 rc = LM93_IN_MAX_FROM_REG(data->vccp_limits[vccp], vid); 1228 } else { 1229 rc = LM93_IN_FROM_REG(nr, data->block7[nr].max); 1230 } 1231 return sprintf(buf, "%ld\n", rc); 1232 } 1233 1234 static ssize_t store_in_max(struct device *dev, struct device_attribute *attr, 1235 const char *buf, size_t count) 1236 { 1237 int nr = (to_sensor_dev_attr(attr))->index; 1238 struct i2c_client *client = to_i2c_client(dev); 1239 struct lm93_data *data = i2c_get_clientdata(client); 1240 int vccp = nr - 6; 1241 long vid; 1242 unsigned long val; 1243 int err; 1244 1245 err = kstrtoul(buf, 10, &val); 1246 if (err) 1247 return err; 1248 1249 mutex_lock(&data->update_lock); 1250 if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) { 1251 vid = LM93_VID_FROM_REG(data->vid[vccp]); 1252 data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0x0f) | 1253 LM93_IN_REL_TO_REG(val, 1, vid); 1254 lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp), 1255 data->vccp_limits[vccp]); 1256 } else { 1257 data->block7[nr].max = LM93_IN_TO_REG(nr, val); 1258 lm93_write_byte(client, LM93_REG_IN_MAX(nr), 1259 data->block7[nr].max); 1260 } 1261 mutex_unlock(&data->update_lock); 1262 return count; 1263 } 1264 1265 static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, 1266 show_in_max, store_in_max, 0); 1267 static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, 1268 show_in_max, store_in_max, 1); 1269 static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO, 1270 show_in_max, store_in_max, 2); 1271 static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO, 1272 show_in_max, store_in_max, 3); 1273 static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO, 1274 show_in_max, store_in_max, 4); 1275 static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO, 1276 show_in_max, store_in_max, 5); 1277 static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO, 1278 show_in_max, store_in_max, 6); 1279 static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO, 1280 show_in_max, store_in_max, 7); 1281 static SENSOR_DEVICE_ATTR(in9_max, S_IWUSR | S_IRUGO, 1282 show_in_max, store_in_max, 8); 1283 static SENSOR_DEVICE_ATTR(in10_max, S_IWUSR | S_IRUGO, 1284 show_in_max, store_in_max, 9); 1285 static SENSOR_DEVICE_ATTR(in11_max, S_IWUSR | S_IRUGO, 1286 show_in_max, store_in_max, 10); 1287 static SENSOR_DEVICE_ATTR(in12_max, S_IWUSR | S_IRUGO, 1288 show_in_max, store_in_max, 11); 1289 static SENSOR_DEVICE_ATTR(in13_max, S_IWUSR | S_IRUGO, 1290 show_in_max, store_in_max, 12); 1291 static SENSOR_DEVICE_ATTR(in14_max, S_IWUSR | S_IRUGO, 1292 show_in_max, store_in_max, 13); 1293 static SENSOR_DEVICE_ATTR(in15_max, S_IWUSR | S_IRUGO, 1294 show_in_max, store_in_max, 14); 1295 static SENSOR_DEVICE_ATTR(in16_max, S_IWUSR | S_IRUGO, 1296 show_in_max, store_in_max, 15); 1297 1298 static ssize_t show_temp(struct device *dev, 1299 struct device_attribute *attr, char *buf) 1300 { 1301 int nr = (to_sensor_dev_attr(attr))->index; 1302 struct lm93_data *data = lm93_update_device(dev); 1303 return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block2[nr])); 1304 } 1305 1306 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); 1307 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); 1308 static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2); 1309 1310 static ssize_t show_temp_min(struct device *dev, 1311 struct device_attribute *attr, char *buf) 1312 { 1313 int nr = (to_sensor_dev_attr(attr))->index; 1314 struct lm93_data *data = lm93_update_device(dev); 1315 return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].min)); 1316 } 1317 1318 static ssize_t store_temp_min(struct device *dev, struct device_attribute *attr, 1319 const char *buf, size_t count) 1320 { 1321 int nr = (to_sensor_dev_attr(attr))->index; 1322 struct i2c_client *client = to_i2c_client(dev); 1323 struct lm93_data *data = i2c_get_clientdata(client); 1324 long val; 1325 int err; 1326 1327 err = kstrtol(buf, 10, &val); 1328 if (err) 1329 return err; 1330 1331 mutex_lock(&data->update_lock); 1332 data->temp_lim[nr].min = LM93_TEMP_TO_REG(val); 1333 lm93_write_byte(client, LM93_REG_TEMP_MIN(nr), data->temp_lim[nr].min); 1334 mutex_unlock(&data->update_lock); 1335 return count; 1336 } 1337 1338 static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, 1339 show_temp_min, store_temp_min, 0); 1340 static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, 1341 show_temp_min, store_temp_min, 1); 1342 static SENSOR_DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO, 1343 show_temp_min, store_temp_min, 2); 1344 1345 static ssize_t show_temp_max(struct device *dev, 1346 struct device_attribute *attr, char *buf) 1347 { 1348 int nr = (to_sensor_dev_attr(attr))->index; 1349 struct lm93_data *data = lm93_update_device(dev); 1350 return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].max)); 1351 } 1352 1353 static ssize_t store_temp_max(struct device *dev, struct device_attribute *attr, 1354 const char *buf, size_t count) 1355 { 1356 int nr = (to_sensor_dev_attr(attr))->index; 1357 struct i2c_client *client = to_i2c_client(dev); 1358 struct lm93_data *data = i2c_get_clientdata(client); 1359 long val; 1360 int err; 1361 1362 err = kstrtol(buf, 10, &val); 1363 if (err) 1364 return err; 1365 1366 mutex_lock(&data->update_lock); 1367 data->temp_lim[nr].max = LM93_TEMP_TO_REG(val); 1368 lm93_write_byte(client, LM93_REG_TEMP_MAX(nr), data->temp_lim[nr].max); 1369 mutex_unlock(&data->update_lock); 1370 return count; 1371 } 1372 1373 static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, 1374 show_temp_max, store_temp_max, 0); 1375 static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, 1376 show_temp_max, store_temp_max, 1); 1377 static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, 1378 show_temp_max, store_temp_max, 2); 1379 1380 static ssize_t show_temp_auto_base(struct device *dev, 1381 struct device_attribute *attr, char *buf) 1382 { 1383 int nr = (to_sensor_dev_attr(attr))->index; 1384 struct lm93_data *data = lm93_update_device(dev); 1385 return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block10.base[nr])); 1386 } 1387 1388 static ssize_t store_temp_auto_base(struct device *dev, 1389 struct device_attribute *attr, 1390 const char *buf, size_t count) 1391 { 1392 int nr = (to_sensor_dev_attr(attr))->index; 1393 struct i2c_client *client = to_i2c_client(dev); 1394 struct lm93_data *data = i2c_get_clientdata(client); 1395 long val; 1396 int err; 1397 1398 err = kstrtol(buf, 10, &val); 1399 if (err) 1400 return err; 1401 1402 mutex_lock(&data->update_lock); 1403 data->block10.base[nr] = LM93_TEMP_TO_REG(val); 1404 lm93_write_byte(client, LM93_REG_TEMP_BASE(nr), data->block10.base[nr]); 1405 mutex_unlock(&data->update_lock); 1406 return count; 1407 } 1408 1409 static SENSOR_DEVICE_ATTR(temp1_auto_base, S_IWUSR | S_IRUGO, 1410 show_temp_auto_base, store_temp_auto_base, 0); 1411 static SENSOR_DEVICE_ATTR(temp2_auto_base, S_IWUSR | S_IRUGO, 1412 show_temp_auto_base, store_temp_auto_base, 1); 1413 static SENSOR_DEVICE_ATTR(temp3_auto_base, S_IWUSR | S_IRUGO, 1414 show_temp_auto_base, store_temp_auto_base, 2); 1415 1416 static ssize_t show_temp_auto_boost(struct device *dev, 1417 struct device_attribute *attr, char *buf) 1418 { 1419 int nr = (to_sensor_dev_attr(attr))->index; 1420 struct lm93_data *data = lm93_update_device(dev); 1421 return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->boost[nr])); 1422 } 1423 1424 static ssize_t store_temp_auto_boost(struct device *dev, 1425 struct device_attribute *attr, 1426 const char *buf, size_t count) 1427 { 1428 int nr = (to_sensor_dev_attr(attr))->index; 1429 struct i2c_client *client = to_i2c_client(dev); 1430 struct lm93_data *data = i2c_get_clientdata(client); 1431 long val; 1432 int err; 1433 1434 err = kstrtol(buf, 10, &val); 1435 if (err) 1436 return err; 1437 1438 mutex_lock(&data->update_lock); 1439 data->boost[nr] = LM93_TEMP_TO_REG(val); 1440 lm93_write_byte(client, LM93_REG_BOOST(nr), data->boost[nr]); 1441 mutex_unlock(&data->update_lock); 1442 return count; 1443 } 1444 1445 static SENSOR_DEVICE_ATTR(temp1_auto_boost, S_IWUSR | S_IRUGO, 1446 show_temp_auto_boost, store_temp_auto_boost, 0); 1447 static SENSOR_DEVICE_ATTR(temp2_auto_boost, S_IWUSR | S_IRUGO, 1448 show_temp_auto_boost, store_temp_auto_boost, 1); 1449 static SENSOR_DEVICE_ATTR(temp3_auto_boost, S_IWUSR | S_IRUGO, 1450 show_temp_auto_boost, store_temp_auto_boost, 2); 1451 1452 static ssize_t show_temp_auto_boost_hyst(struct device *dev, 1453 struct device_attribute *attr, 1454 char *buf) 1455 { 1456 int nr = (to_sensor_dev_attr(attr))->index; 1457 struct lm93_data *data = lm93_update_device(dev); 1458 int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr); 1459 return sprintf(buf, "%d\n", 1460 LM93_AUTO_BOOST_HYST_FROM_REGS(data, nr, mode)); 1461 } 1462 1463 static ssize_t store_temp_auto_boost_hyst(struct device *dev, 1464 struct device_attribute *attr, 1465 const char *buf, size_t count) 1466 { 1467 int nr = (to_sensor_dev_attr(attr))->index; 1468 struct i2c_client *client = to_i2c_client(dev); 1469 struct lm93_data *data = i2c_get_clientdata(client); 1470 unsigned long val; 1471 int err; 1472 1473 err = kstrtoul(buf, 10, &val); 1474 if (err) 1475 return err; 1476 1477 mutex_lock(&data->update_lock); 1478 /* force 0.5C/bit mode */ 1479 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); 1480 data->sfc2 |= ((nr < 2) ? 0x10 : 0x20); 1481 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); 1482 data->boost_hyst[nr/2] = LM93_AUTO_BOOST_HYST_TO_REG(data, val, nr, 1); 1483 lm93_write_byte(client, LM93_REG_BOOST_HYST(nr), 1484 data->boost_hyst[nr/2]); 1485 mutex_unlock(&data->update_lock); 1486 return count; 1487 } 1488 1489 static SENSOR_DEVICE_ATTR(temp1_auto_boost_hyst, S_IWUSR | S_IRUGO, 1490 show_temp_auto_boost_hyst, 1491 store_temp_auto_boost_hyst, 0); 1492 static SENSOR_DEVICE_ATTR(temp2_auto_boost_hyst, S_IWUSR | S_IRUGO, 1493 show_temp_auto_boost_hyst, 1494 store_temp_auto_boost_hyst, 1); 1495 static SENSOR_DEVICE_ATTR(temp3_auto_boost_hyst, S_IWUSR | S_IRUGO, 1496 show_temp_auto_boost_hyst, 1497 store_temp_auto_boost_hyst, 2); 1498 1499 static ssize_t show_temp_auto_offset(struct device *dev, 1500 struct device_attribute *attr, char *buf) 1501 { 1502 struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr); 1503 int nr = s_attr->index; 1504 int ofs = s_attr->nr; 1505 struct lm93_data *data = lm93_update_device(dev); 1506 int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr); 1507 return sprintf(buf, "%d\n", 1508 LM93_TEMP_AUTO_OFFSET_FROM_REG(data->block10.offset[ofs], 1509 nr, mode)); 1510 } 1511 1512 static ssize_t store_temp_auto_offset(struct device *dev, 1513 struct device_attribute *attr, 1514 const char *buf, size_t count) 1515 { 1516 struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr); 1517 int nr = s_attr->index; 1518 int ofs = s_attr->nr; 1519 struct i2c_client *client = to_i2c_client(dev); 1520 struct lm93_data *data = i2c_get_clientdata(client); 1521 unsigned long val; 1522 int err; 1523 1524 err = kstrtoul(buf, 10, &val); 1525 if (err) 1526 return err; 1527 1528 mutex_lock(&data->update_lock); 1529 /* force 0.5C/bit mode */ 1530 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); 1531 data->sfc2 |= ((nr < 2) ? 0x10 : 0x20); 1532 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); 1533 data->block10.offset[ofs] = LM93_TEMP_AUTO_OFFSET_TO_REG( 1534 data->block10.offset[ofs], val, nr, 1); 1535 lm93_write_byte(client, LM93_REG_TEMP_OFFSET(ofs), 1536 data->block10.offset[ofs]); 1537 mutex_unlock(&data->update_lock); 1538 return count; 1539 } 1540 1541 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset1, S_IWUSR | S_IRUGO, 1542 show_temp_auto_offset, store_temp_auto_offset, 0, 0); 1543 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset2, S_IWUSR | S_IRUGO, 1544 show_temp_auto_offset, store_temp_auto_offset, 1, 0); 1545 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset3, S_IWUSR | S_IRUGO, 1546 show_temp_auto_offset, store_temp_auto_offset, 2, 0); 1547 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset4, S_IWUSR | S_IRUGO, 1548 show_temp_auto_offset, store_temp_auto_offset, 3, 0); 1549 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset5, S_IWUSR | S_IRUGO, 1550 show_temp_auto_offset, store_temp_auto_offset, 4, 0); 1551 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset6, S_IWUSR | S_IRUGO, 1552 show_temp_auto_offset, store_temp_auto_offset, 5, 0); 1553 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset7, S_IWUSR | S_IRUGO, 1554 show_temp_auto_offset, store_temp_auto_offset, 6, 0); 1555 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset8, S_IWUSR | S_IRUGO, 1556 show_temp_auto_offset, store_temp_auto_offset, 7, 0); 1557 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset9, S_IWUSR | S_IRUGO, 1558 show_temp_auto_offset, store_temp_auto_offset, 8, 0); 1559 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset10, S_IWUSR | S_IRUGO, 1560 show_temp_auto_offset, store_temp_auto_offset, 9, 0); 1561 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset11, S_IWUSR | S_IRUGO, 1562 show_temp_auto_offset, store_temp_auto_offset, 10, 0); 1563 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset12, S_IWUSR | S_IRUGO, 1564 show_temp_auto_offset, store_temp_auto_offset, 11, 0); 1565 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset1, S_IWUSR | S_IRUGO, 1566 show_temp_auto_offset, store_temp_auto_offset, 0, 1); 1567 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset2, S_IWUSR | S_IRUGO, 1568 show_temp_auto_offset, store_temp_auto_offset, 1, 1); 1569 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset3, S_IWUSR | S_IRUGO, 1570 show_temp_auto_offset, store_temp_auto_offset, 2, 1); 1571 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset4, S_IWUSR | S_IRUGO, 1572 show_temp_auto_offset, store_temp_auto_offset, 3, 1); 1573 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset5, S_IWUSR | S_IRUGO, 1574 show_temp_auto_offset, store_temp_auto_offset, 4, 1); 1575 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset6, S_IWUSR | S_IRUGO, 1576 show_temp_auto_offset, store_temp_auto_offset, 5, 1); 1577 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset7, S_IWUSR | S_IRUGO, 1578 show_temp_auto_offset, store_temp_auto_offset, 6, 1); 1579 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset8, S_IWUSR | S_IRUGO, 1580 show_temp_auto_offset, store_temp_auto_offset, 7, 1); 1581 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset9, S_IWUSR | S_IRUGO, 1582 show_temp_auto_offset, store_temp_auto_offset, 8, 1); 1583 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset10, S_IWUSR | S_IRUGO, 1584 show_temp_auto_offset, store_temp_auto_offset, 9, 1); 1585 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset11, S_IWUSR | S_IRUGO, 1586 show_temp_auto_offset, store_temp_auto_offset, 10, 1); 1587 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset12, S_IWUSR | S_IRUGO, 1588 show_temp_auto_offset, store_temp_auto_offset, 11, 1); 1589 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset1, S_IWUSR | S_IRUGO, 1590 show_temp_auto_offset, store_temp_auto_offset, 0, 2); 1591 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset2, S_IWUSR | S_IRUGO, 1592 show_temp_auto_offset, store_temp_auto_offset, 1, 2); 1593 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset3, S_IWUSR | S_IRUGO, 1594 show_temp_auto_offset, store_temp_auto_offset, 2, 2); 1595 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset4, S_IWUSR | S_IRUGO, 1596 show_temp_auto_offset, store_temp_auto_offset, 3, 2); 1597 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset5, S_IWUSR | S_IRUGO, 1598 show_temp_auto_offset, store_temp_auto_offset, 4, 2); 1599 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset6, S_IWUSR | S_IRUGO, 1600 show_temp_auto_offset, store_temp_auto_offset, 5, 2); 1601 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset7, S_IWUSR | S_IRUGO, 1602 show_temp_auto_offset, store_temp_auto_offset, 6, 2); 1603 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset8, S_IWUSR | S_IRUGO, 1604 show_temp_auto_offset, store_temp_auto_offset, 7, 2); 1605 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset9, S_IWUSR | S_IRUGO, 1606 show_temp_auto_offset, store_temp_auto_offset, 8, 2); 1607 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset10, S_IWUSR | S_IRUGO, 1608 show_temp_auto_offset, store_temp_auto_offset, 9, 2); 1609 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset11, S_IWUSR | S_IRUGO, 1610 show_temp_auto_offset, store_temp_auto_offset, 10, 2); 1611 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset12, S_IWUSR | S_IRUGO, 1612 show_temp_auto_offset, store_temp_auto_offset, 11, 2); 1613 1614 static ssize_t show_temp_auto_pwm_min(struct device *dev, 1615 struct device_attribute *attr, char *buf) 1616 { 1617 int nr = (to_sensor_dev_attr(attr))->index; 1618 u8 reg, ctl4; 1619 struct lm93_data *data = lm93_update_device(dev); 1620 reg = data->auto_pwm_min_hyst[nr/2] >> 4 & 0x0f; 1621 ctl4 = data->block9[nr][LM93_PWM_CTL4]; 1622 return sprintf(buf, "%d\n", LM93_PWM_FROM_REG(reg, (ctl4 & 0x07) ? 1623 LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ)); 1624 } 1625 1626 static ssize_t store_temp_auto_pwm_min(struct device *dev, 1627 struct device_attribute *attr, 1628 const char *buf, size_t count) 1629 { 1630 int nr = (to_sensor_dev_attr(attr))->index; 1631 struct i2c_client *client = to_i2c_client(dev); 1632 struct lm93_data *data = i2c_get_clientdata(client); 1633 u8 reg, ctl4; 1634 unsigned long val; 1635 int err; 1636 1637 err = kstrtoul(buf, 10, &val); 1638 if (err) 1639 return err; 1640 1641 mutex_lock(&data->update_lock); 1642 reg = lm93_read_byte(client, LM93_REG_PWM_MIN_HYST(nr)); 1643 ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4)); 1644 reg = (reg & 0x0f) | 1645 LM93_PWM_TO_REG(val, (ctl4 & 0x07) ? 1646 LM93_PWM_MAP_LO_FREQ : 1647 LM93_PWM_MAP_HI_FREQ) << 4; 1648 data->auto_pwm_min_hyst[nr/2] = reg; 1649 lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg); 1650 mutex_unlock(&data->update_lock); 1651 return count; 1652 } 1653 1654 static SENSOR_DEVICE_ATTR(temp1_auto_pwm_min, S_IWUSR | S_IRUGO, 1655 show_temp_auto_pwm_min, 1656 store_temp_auto_pwm_min, 0); 1657 static SENSOR_DEVICE_ATTR(temp2_auto_pwm_min, S_IWUSR | S_IRUGO, 1658 show_temp_auto_pwm_min, 1659 store_temp_auto_pwm_min, 1); 1660 static SENSOR_DEVICE_ATTR(temp3_auto_pwm_min, S_IWUSR | S_IRUGO, 1661 show_temp_auto_pwm_min, 1662 store_temp_auto_pwm_min, 2); 1663 1664 static ssize_t show_temp_auto_offset_hyst(struct device *dev, 1665 struct device_attribute *attr, char *buf) 1666 { 1667 int nr = (to_sensor_dev_attr(attr))->index; 1668 struct lm93_data *data = lm93_update_device(dev); 1669 int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr); 1670 return sprintf(buf, "%d\n", LM93_TEMP_OFFSET_FROM_REG( 1671 data->auto_pwm_min_hyst[nr / 2], mode)); 1672 } 1673 1674 static ssize_t store_temp_auto_offset_hyst(struct device *dev, 1675 struct device_attribute *attr, 1676 const char *buf, size_t count) 1677 { 1678 int nr = (to_sensor_dev_attr(attr))->index; 1679 struct i2c_client *client = to_i2c_client(dev); 1680 struct lm93_data *data = i2c_get_clientdata(client); 1681 u8 reg; 1682 unsigned long val; 1683 int err; 1684 1685 err = kstrtoul(buf, 10, &val); 1686 if (err) 1687 return err; 1688 1689 mutex_lock(&data->update_lock); 1690 /* force 0.5C/bit mode */ 1691 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); 1692 data->sfc2 |= ((nr < 2) ? 0x10 : 0x20); 1693 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); 1694 reg = data->auto_pwm_min_hyst[nr/2]; 1695 reg = (reg & 0xf0) | (LM93_TEMP_OFFSET_TO_REG(val, 1) & 0x0f); 1696 data->auto_pwm_min_hyst[nr/2] = reg; 1697 lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg); 1698 mutex_unlock(&data->update_lock); 1699 return count; 1700 } 1701 1702 static SENSOR_DEVICE_ATTR(temp1_auto_offset_hyst, S_IWUSR | S_IRUGO, 1703 show_temp_auto_offset_hyst, 1704 store_temp_auto_offset_hyst, 0); 1705 static SENSOR_DEVICE_ATTR(temp2_auto_offset_hyst, S_IWUSR | S_IRUGO, 1706 show_temp_auto_offset_hyst, 1707 store_temp_auto_offset_hyst, 1); 1708 static SENSOR_DEVICE_ATTR(temp3_auto_offset_hyst, S_IWUSR | S_IRUGO, 1709 show_temp_auto_offset_hyst, 1710 store_temp_auto_offset_hyst, 2); 1711 1712 static ssize_t show_fan_input(struct device *dev, 1713 struct device_attribute *attr, char *buf) 1714 { 1715 struct sensor_device_attribute *s_attr = to_sensor_dev_attr(attr); 1716 int nr = s_attr->index; 1717 struct lm93_data *data = lm93_update_device(dev); 1718 1719 return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block5[nr])); 1720 } 1721 1722 static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0); 1723 static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1); 1724 static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2); 1725 static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan_input, NULL, 3); 1726 1727 static ssize_t show_fan_min(struct device *dev, 1728 struct device_attribute *attr, char *buf) 1729 { 1730 int nr = (to_sensor_dev_attr(attr))->index; 1731 struct lm93_data *data = lm93_update_device(dev); 1732 1733 return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block8[nr])); 1734 } 1735 1736 static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr, 1737 const char *buf, size_t count) 1738 { 1739 int nr = (to_sensor_dev_attr(attr))->index; 1740 struct i2c_client *client = to_i2c_client(dev); 1741 struct lm93_data *data = i2c_get_clientdata(client); 1742 unsigned long val; 1743 int err; 1744 1745 err = kstrtoul(buf, 10, &val); 1746 if (err) 1747 return err; 1748 1749 mutex_lock(&data->update_lock); 1750 data->block8[nr] = LM93_FAN_TO_REG(val); 1751 lm93_write_word(client, LM93_REG_FAN_MIN(nr), data->block8[nr]); 1752 mutex_unlock(&data->update_lock); 1753 return count; 1754 } 1755 1756 static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, 1757 show_fan_min, store_fan_min, 0); 1758 static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, 1759 show_fan_min, store_fan_min, 1); 1760 static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO, 1761 show_fan_min, store_fan_min, 2); 1762 static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO, 1763 show_fan_min, store_fan_min, 3); 1764 1765 /* 1766 * some tedious bit-twiddling here to deal with the register format: 1767 * 1768 * data->sf_tach_to_pwm: (tach to pwm mapping bits) 1769 * 1770 * bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 1771 * T4:P2 T4:P1 T3:P2 T3:P1 T2:P2 T2:P1 T1:P2 T1:P1 1772 * 1773 * data->sfc2: (enable bits) 1774 * 1775 * bit | 3 | 2 | 1 | 0 1776 * T4 T3 T2 T1 1777 */ 1778 1779 static ssize_t show_fan_smart_tach(struct device *dev, 1780 struct device_attribute *attr, char *buf) 1781 { 1782 int nr = (to_sensor_dev_attr(attr))->index; 1783 struct lm93_data *data = lm93_update_device(dev); 1784 long rc = 0; 1785 int mapping; 1786 1787 /* extract the relevant mapping */ 1788 mapping = (data->sf_tach_to_pwm >> (nr * 2)) & 0x03; 1789 1790 /* if there's a mapping and it's enabled */ 1791 if (mapping && ((data->sfc2 >> nr) & 0x01)) 1792 rc = mapping; 1793 return sprintf(buf, "%ld\n", rc); 1794 } 1795 1796 /* 1797 * helper function - must grab data->update_lock before calling 1798 * fan is 0-3, indicating fan1-fan4 1799 */ 1800 static void lm93_write_fan_smart_tach(struct i2c_client *client, 1801 struct lm93_data *data, int fan, long value) 1802 { 1803 /* insert the new mapping and write it out */ 1804 data->sf_tach_to_pwm = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM); 1805 data->sf_tach_to_pwm &= ~(0x3 << fan * 2); 1806 data->sf_tach_to_pwm |= value << fan * 2; 1807 lm93_write_byte(client, LM93_REG_SF_TACH_TO_PWM, data->sf_tach_to_pwm); 1808 1809 /* insert the enable bit and write it out */ 1810 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); 1811 if (value) 1812 data->sfc2 |= 1 << fan; 1813 else 1814 data->sfc2 &= ~(1 << fan); 1815 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); 1816 } 1817 1818 static ssize_t store_fan_smart_tach(struct device *dev, 1819 struct device_attribute *attr, 1820 const char *buf, size_t count) 1821 { 1822 int nr = (to_sensor_dev_attr(attr))->index; 1823 struct i2c_client *client = to_i2c_client(dev); 1824 struct lm93_data *data = i2c_get_clientdata(client); 1825 unsigned long val; 1826 int err; 1827 1828 err = kstrtoul(buf, 10, &val); 1829 if (err) 1830 return err; 1831 1832 mutex_lock(&data->update_lock); 1833 /* sanity test, ignore the write otherwise */ 1834 if (val <= 2) { 1835 /* can't enable if pwm freq is 22.5KHz */ 1836 if (val) { 1837 u8 ctl4 = lm93_read_byte(client, 1838 LM93_REG_PWM_CTL(val - 1, LM93_PWM_CTL4)); 1839 if ((ctl4 & 0x07) == 0) 1840 val = 0; 1841 } 1842 lm93_write_fan_smart_tach(client, data, nr, val); 1843 } 1844 mutex_unlock(&data->update_lock); 1845 return count; 1846 } 1847 1848 static SENSOR_DEVICE_ATTR(fan1_smart_tach, S_IWUSR | S_IRUGO, 1849 show_fan_smart_tach, store_fan_smart_tach, 0); 1850 static SENSOR_DEVICE_ATTR(fan2_smart_tach, S_IWUSR | S_IRUGO, 1851 show_fan_smart_tach, store_fan_smart_tach, 1); 1852 static SENSOR_DEVICE_ATTR(fan3_smart_tach, S_IWUSR | S_IRUGO, 1853 show_fan_smart_tach, store_fan_smart_tach, 2); 1854 static SENSOR_DEVICE_ATTR(fan4_smart_tach, S_IWUSR | S_IRUGO, 1855 show_fan_smart_tach, store_fan_smart_tach, 3); 1856 1857 static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, 1858 char *buf) 1859 { 1860 int nr = (to_sensor_dev_attr(attr))->index; 1861 struct lm93_data *data = lm93_update_device(dev); 1862 u8 ctl2, ctl4; 1863 long rc; 1864 1865 ctl2 = data->block9[nr][LM93_PWM_CTL2]; 1866 ctl4 = data->block9[nr][LM93_PWM_CTL4]; 1867 if (ctl2 & 0x01) /* show user commanded value if enabled */ 1868 rc = data->pwm_override[nr]; 1869 else /* show present h/w value if manual pwm disabled */ 1870 rc = LM93_PWM_FROM_REG(ctl2 >> 4, (ctl4 & 0x07) ? 1871 LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ); 1872 return sprintf(buf, "%ld\n", rc); 1873 } 1874 1875 static ssize_t store_pwm(struct device *dev, struct device_attribute *attr, 1876 const char *buf, size_t count) 1877 { 1878 int nr = (to_sensor_dev_attr(attr))->index; 1879 struct i2c_client *client = to_i2c_client(dev); 1880 struct lm93_data *data = i2c_get_clientdata(client); 1881 u8 ctl2, ctl4; 1882 unsigned long val; 1883 int err; 1884 1885 err = kstrtoul(buf, 10, &val); 1886 if (err) 1887 return err; 1888 1889 mutex_lock(&data->update_lock); 1890 ctl2 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2)); 1891 ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4)); 1892 ctl2 = (ctl2 & 0x0f) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ? 1893 LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ) << 4; 1894 /* save user commanded value */ 1895 data->pwm_override[nr] = LM93_PWM_FROM_REG(ctl2 >> 4, 1896 (ctl4 & 0x07) ? LM93_PWM_MAP_LO_FREQ : 1897 LM93_PWM_MAP_HI_FREQ); 1898 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2), ctl2); 1899 mutex_unlock(&data->update_lock); 1900 return count; 1901 } 1902 1903 static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0); 1904 static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1); 1905 1906 static ssize_t show_pwm_enable(struct device *dev, 1907 struct device_attribute *attr, char *buf) 1908 { 1909 int nr = (to_sensor_dev_attr(attr))->index; 1910 struct lm93_data *data = lm93_update_device(dev); 1911 u8 ctl2; 1912 long rc; 1913 1914 ctl2 = data->block9[nr][LM93_PWM_CTL2]; 1915 if (ctl2 & 0x01) /* manual override enabled ? */ 1916 rc = ((ctl2 & 0xF0) == 0xF0) ? 0 : 1; 1917 else 1918 rc = 2; 1919 return sprintf(buf, "%ld\n", rc); 1920 } 1921 1922 static ssize_t store_pwm_enable(struct device *dev, 1923 struct device_attribute *attr, 1924 const char *buf, size_t count) 1925 { 1926 int nr = (to_sensor_dev_attr(attr))->index; 1927 struct i2c_client *client = to_i2c_client(dev); 1928 struct lm93_data *data = i2c_get_clientdata(client); 1929 u8 ctl2; 1930 unsigned long val; 1931 int err; 1932 1933 err = kstrtoul(buf, 10, &val); 1934 if (err) 1935 return err; 1936 1937 mutex_lock(&data->update_lock); 1938 ctl2 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2)); 1939 1940 switch (val) { 1941 case 0: 1942 ctl2 |= 0xF1; /* enable manual override, set PWM to max */ 1943 break; 1944 case 1: 1945 ctl2 |= 0x01; /* enable manual override */ 1946 break; 1947 case 2: 1948 ctl2 &= ~0x01; /* disable manual override */ 1949 break; 1950 default: 1951 mutex_unlock(&data->update_lock); 1952 return -EINVAL; 1953 } 1954 1955 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2), ctl2); 1956 mutex_unlock(&data->update_lock); 1957 return count; 1958 } 1959 1960 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, 1961 show_pwm_enable, store_pwm_enable, 0); 1962 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, 1963 show_pwm_enable, store_pwm_enable, 1); 1964 1965 static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr, 1966 char *buf) 1967 { 1968 int nr = (to_sensor_dev_attr(attr))->index; 1969 struct lm93_data *data = lm93_update_device(dev); 1970 u8 ctl4; 1971 1972 ctl4 = data->block9[nr][LM93_PWM_CTL4]; 1973 return sprintf(buf, "%d\n", LM93_PWM_FREQ_FROM_REG(ctl4)); 1974 } 1975 1976 /* 1977 * helper function - must grab data->update_lock before calling 1978 * pwm is 0-1, indicating pwm1-pwm2 1979 * this disables smart tach for all tach channels bound to the given pwm 1980 */ 1981 static void lm93_disable_fan_smart_tach(struct i2c_client *client, 1982 struct lm93_data *data, int pwm) 1983 { 1984 int mapping = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM); 1985 int mask; 1986 1987 /* collapse the mapping into a mask of enable bits */ 1988 mapping = (mapping >> pwm) & 0x55; 1989 mask = mapping & 0x01; 1990 mask |= (mapping & 0x04) >> 1; 1991 mask |= (mapping & 0x10) >> 2; 1992 mask |= (mapping & 0x40) >> 3; 1993 1994 /* disable smart tach according to the mask */ 1995 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); 1996 data->sfc2 &= ~mask; 1997 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); 1998 } 1999 2000 static ssize_t store_pwm_freq(struct device *dev, 2001 struct device_attribute *attr, 2002 const char *buf, size_t count) 2003 { 2004 int nr = (to_sensor_dev_attr(attr))->index; 2005 struct i2c_client *client = to_i2c_client(dev); 2006 struct lm93_data *data = i2c_get_clientdata(client); 2007 u8 ctl4; 2008 unsigned long val; 2009 int err; 2010 2011 err = kstrtoul(buf, 10, &val); 2012 if (err) 2013 return err; 2014 2015 mutex_lock(&data->update_lock); 2016 ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4)); 2017 ctl4 = (ctl4 & 0xf8) | LM93_PWM_FREQ_TO_REG(val); 2018 data->block9[nr][LM93_PWM_CTL4] = ctl4; 2019 /* ctl4 == 0 -> 22.5KHz -> disable smart tach */ 2020 if (!ctl4) 2021 lm93_disable_fan_smart_tach(client, data, nr); 2022 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4), ctl4); 2023 mutex_unlock(&data->update_lock); 2024 return count; 2025 } 2026 2027 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IWUSR | S_IRUGO, 2028 show_pwm_freq, store_pwm_freq, 0); 2029 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IWUSR | S_IRUGO, 2030 show_pwm_freq, store_pwm_freq, 1); 2031 2032 static ssize_t show_pwm_auto_channels(struct device *dev, 2033 struct device_attribute *attr, char *buf) 2034 { 2035 int nr = (to_sensor_dev_attr(attr))->index; 2036 struct lm93_data *data = lm93_update_device(dev); 2037 return sprintf(buf, "%d\n", data->block9[nr][LM93_PWM_CTL1]); 2038 } 2039 2040 static ssize_t store_pwm_auto_channels(struct device *dev, 2041 struct device_attribute *attr, 2042 const char *buf, size_t count) 2043 { 2044 int nr = (to_sensor_dev_attr(attr))->index; 2045 struct i2c_client *client = to_i2c_client(dev); 2046 struct lm93_data *data = i2c_get_clientdata(client); 2047 unsigned long val; 2048 int err; 2049 2050 err = kstrtoul(buf, 10, &val); 2051 if (err) 2052 return err; 2053 2054 mutex_lock(&data->update_lock); 2055 data->block9[nr][LM93_PWM_CTL1] = SENSORS_LIMIT(val, 0, 255); 2056 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL1), 2057 data->block9[nr][LM93_PWM_CTL1]); 2058 mutex_unlock(&data->update_lock); 2059 return count; 2060 } 2061 2062 static SENSOR_DEVICE_ATTR(pwm1_auto_channels, S_IWUSR | S_IRUGO, 2063 show_pwm_auto_channels, store_pwm_auto_channels, 0); 2064 static SENSOR_DEVICE_ATTR(pwm2_auto_channels, S_IWUSR | S_IRUGO, 2065 show_pwm_auto_channels, store_pwm_auto_channels, 1); 2066 2067 static ssize_t show_pwm_auto_spinup_min(struct device *dev, 2068 struct device_attribute *attr, char *buf) 2069 { 2070 int nr = (to_sensor_dev_attr(attr))->index; 2071 struct lm93_data *data = lm93_update_device(dev); 2072 u8 ctl3, ctl4; 2073 2074 ctl3 = data->block9[nr][LM93_PWM_CTL3]; 2075 ctl4 = data->block9[nr][LM93_PWM_CTL4]; 2076 return sprintf(buf, "%d\n", 2077 LM93_PWM_FROM_REG(ctl3 & 0x0f, (ctl4 & 0x07) ? 2078 LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ)); 2079 } 2080 2081 static ssize_t store_pwm_auto_spinup_min(struct device *dev, 2082 struct device_attribute *attr, 2083 const char *buf, size_t count) 2084 { 2085 int nr = (to_sensor_dev_attr(attr))->index; 2086 struct i2c_client *client = to_i2c_client(dev); 2087 struct lm93_data *data = i2c_get_clientdata(client); 2088 u8 ctl3, ctl4; 2089 unsigned long val; 2090 int err; 2091 2092 err = kstrtoul(buf, 10, &val); 2093 if (err) 2094 return err; 2095 2096 mutex_lock(&data->update_lock); 2097 ctl3 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3)); 2098 ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4)); 2099 ctl3 = (ctl3 & 0xf0) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ? 2100 LM93_PWM_MAP_LO_FREQ : 2101 LM93_PWM_MAP_HI_FREQ); 2102 data->block9[nr][LM93_PWM_CTL3] = ctl3; 2103 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3); 2104 mutex_unlock(&data->update_lock); 2105 return count; 2106 } 2107 2108 static SENSOR_DEVICE_ATTR(pwm1_auto_spinup_min, S_IWUSR | S_IRUGO, 2109 show_pwm_auto_spinup_min, 2110 store_pwm_auto_spinup_min, 0); 2111 static SENSOR_DEVICE_ATTR(pwm2_auto_spinup_min, S_IWUSR | S_IRUGO, 2112 show_pwm_auto_spinup_min, 2113 store_pwm_auto_spinup_min, 1); 2114 2115 static ssize_t show_pwm_auto_spinup_time(struct device *dev, 2116 struct device_attribute *attr, char *buf) 2117 { 2118 int nr = (to_sensor_dev_attr(attr))->index; 2119 struct lm93_data *data = lm93_update_device(dev); 2120 return sprintf(buf, "%d\n", LM93_SPINUP_TIME_FROM_REG( 2121 data->block9[nr][LM93_PWM_CTL3])); 2122 } 2123 2124 static ssize_t store_pwm_auto_spinup_time(struct device *dev, 2125 struct device_attribute *attr, 2126 const char *buf, size_t count) 2127 { 2128 int nr = (to_sensor_dev_attr(attr))->index; 2129 struct i2c_client *client = to_i2c_client(dev); 2130 struct lm93_data *data = i2c_get_clientdata(client); 2131 u8 ctl3; 2132 unsigned long val; 2133 int err; 2134 2135 err = kstrtoul(buf, 10, &val); 2136 if (err) 2137 return err; 2138 2139 mutex_lock(&data->update_lock); 2140 ctl3 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3)); 2141 ctl3 = (ctl3 & 0x1f) | (LM93_SPINUP_TIME_TO_REG(val) << 5 & 0xe0); 2142 data->block9[nr][LM93_PWM_CTL3] = ctl3; 2143 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3); 2144 mutex_unlock(&data->update_lock); 2145 return count; 2146 } 2147 2148 static SENSOR_DEVICE_ATTR(pwm1_auto_spinup_time, S_IWUSR | S_IRUGO, 2149 show_pwm_auto_spinup_time, 2150 store_pwm_auto_spinup_time, 0); 2151 static SENSOR_DEVICE_ATTR(pwm2_auto_spinup_time, S_IWUSR | S_IRUGO, 2152 show_pwm_auto_spinup_time, 2153 store_pwm_auto_spinup_time, 1); 2154 2155 static ssize_t show_pwm_auto_prochot_ramp(struct device *dev, 2156 struct device_attribute *attr, char *buf) 2157 { 2158 struct lm93_data *data = lm93_update_device(dev); 2159 return sprintf(buf, "%d\n", 2160 LM93_RAMP_FROM_REG(data->pwm_ramp_ctl >> 4 & 0x0f)); 2161 } 2162 2163 static ssize_t store_pwm_auto_prochot_ramp(struct device *dev, 2164 struct device_attribute *attr, 2165 const char *buf, size_t count) 2166 { 2167 struct i2c_client *client = to_i2c_client(dev); 2168 struct lm93_data *data = i2c_get_clientdata(client); 2169 u8 ramp; 2170 unsigned long val; 2171 int err; 2172 2173 err = kstrtoul(buf, 10, &val); 2174 if (err) 2175 return err; 2176 2177 mutex_lock(&data->update_lock); 2178 ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL); 2179 ramp = (ramp & 0x0f) | (LM93_RAMP_TO_REG(val) << 4 & 0xf0); 2180 lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp); 2181 mutex_unlock(&data->update_lock); 2182 return count; 2183 } 2184 2185 static DEVICE_ATTR(pwm_auto_prochot_ramp, S_IRUGO | S_IWUSR, 2186 show_pwm_auto_prochot_ramp, 2187 store_pwm_auto_prochot_ramp); 2188 2189 static ssize_t show_pwm_auto_vrdhot_ramp(struct device *dev, 2190 struct device_attribute *attr, char *buf) 2191 { 2192 struct lm93_data *data = lm93_update_device(dev); 2193 return sprintf(buf, "%d\n", 2194 LM93_RAMP_FROM_REG(data->pwm_ramp_ctl & 0x0f)); 2195 } 2196 2197 static ssize_t store_pwm_auto_vrdhot_ramp(struct device *dev, 2198 struct device_attribute *attr, 2199 const char *buf, size_t count) 2200 { 2201 struct i2c_client *client = to_i2c_client(dev); 2202 struct lm93_data *data = i2c_get_clientdata(client); 2203 u8 ramp; 2204 unsigned long val; 2205 int err; 2206 2207 err = kstrtoul(buf, 10, &val); 2208 if (err) 2209 return err; 2210 2211 mutex_lock(&data->update_lock); 2212 ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL); 2213 ramp = (ramp & 0xf0) | (LM93_RAMP_TO_REG(val) & 0x0f); 2214 lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp); 2215 mutex_unlock(&data->update_lock); 2216 return 0; 2217 } 2218 2219 static DEVICE_ATTR(pwm_auto_vrdhot_ramp, S_IRUGO | S_IWUSR, 2220 show_pwm_auto_vrdhot_ramp, 2221 store_pwm_auto_vrdhot_ramp); 2222 2223 static ssize_t show_vid(struct device *dev, struct device_attribute *attr, 2224 char *buf) 2225 { 2226 int nr = (to_sensor_dev_attr(attr))->index; 2227 struct lm93_data *data = lm93_update_device(dev); 2228 return sprintf(buf, "%d\n", LM93_VID_FROM_REG(data->vid[nr])); 2229 } 2230 2231 static SENSOR_DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL, 0); 2232 static SENSOR_DEVICE_ATTR(cpu1_vid, S_IRUGO, show_vid, NULL, 1); 2233 2234 static ssize_t show_prochot(struct device *dev, struct device_attribute *attr, 2235 char *buf) 2236 { 2237 int nr = (to_sensor_dev_attr(attr))->index; 2238 struct lm93_data *data = lm93_update_device(dev); 2239 return sprintf(buf, "%d\n", data->block4[nr].cur); 2240 } 2241 2242 static SENSOR_DEVICE_ATTR(prochot1, S_IRUGO, show_prochot, NULL, 0); 2243 static SENSOR_DEVICE_ATTR(prochot2, S_IRUGO, show_prochot, NULL, 1); 2244 2245 static ssize_t show_prochot_avg(struct device *dev, 2246 struct device_attribute *attr, char *buf) 2247 { 2248 int nr = (to_sensor_dev_attr(attr))->index; 2249 struct lm93_data *data = lm93_update_device(dev); 2250 return sprintf(buf, "%d\n", data->block4[nr].avg); 2251 } 2252 2253 static SENSOR_DEVICE_ATTR(prochot1_avg, S_IRUGO, show_prochot_avg, NULL, 0); 2254 static SENSOR_DEVICE_ATTR(prochot2_avg, S_IRUGO, show_prochot_avg, NULL, 1); 2255 2256 static ssize_t show_prochot_max(struct device *dev, 2257 struct device_attribute *attr, char *buf) 2258 { 2259 int nr = (to_sensor_dev_attr(attr))->index; 2260 struct lm93_data *data = lm93_update_device(dev); 2261 return sprintf(buf, "%d\n", data->prochot_max[nr]); 2262 } 2263 2264 static ssize_t store_prochot_max(struct device *dev, 2265 struct device_attribute *attr, 2266 const char *buf, size_t count) 2267 { 2268 int nr = (to_sensor_dev_attr(attr))->index; 2269 struct i2c_client *client = to_i2c_client(dev); 2270 struct lm93_data *data = i2c_get_clientdata(client); 2271 unsigned long val; 2272 int err; 2273 2274 err = kstrtoul(buf, 10, &val); 2275 if (err) 2276 return err; 2277 2278 mutex_lock(&data->update_lock); 2279 data->prochot_max[nr] = LM93_PROCHOT_TO_REG(val); 2280 lm93_write_byte(client, LM93_REG_PROCHOT_MAX(nr), 2281 data->prochot_max[nr]); 2282 mutex_unlock(&data->update_lock); 2283 return count; 2284 } 2285 2286 static SENSOR_DEVICE_ATTR(prochot1_max, S_IWUSR | S_IRUGO, 2287 show_prochot_max, store_prochot_max, 0); 2288 static SENSOR_DEVICE_ATTR(prochot2_max, S_IWUSR | S_IRUGO, 2289 show_prochot_max, store_prochot_max, 1); 2290 2291 static const u8 prochot_override_mask[] = { 0x80, 0x40 }; 2292 2293 static ssize_t show_prochot_override(struct device *dev, 2294 struct device_attribute *attr, char *buf) 2295 { 2296 int nr = (to_sensor_dev_attr(attr))->index; 2297 struct lm93_data *data = lm93_update_device(dev); 2298 return sprintf(buf, "%d\n", 2299 (data->prochot_override & prochot_override_mask[nr]) ? 1 : 0); 2300 } 2301 2302 static ssize_t store_prochot_override(struct device *dev, 2303 struct device_attribute *attr, 2304 const char *buf, size_t count) 2305 { 2306 int nr = (to_sensor_dev_attr(attr))->index; 2307 struct i2c_client *client = to_i2c_client(dev); 2308 struct lm93_data *data = i2c_get_clientdata(client); 2309 unsigned long val; 2310 int err; 2311 2312 err = kstrtoul(buf, 10, &val); 2313 if (err) 2314 return err; 2315 2316 mutex_lock(&data->update_lock); 2317 if (val) 2318 data->prochot_override |= prochot_override_mask[nr]; 2319 else 2320 data->prochot_override &= (~prochot_override_mask[nr]); 2321 lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE, 2322 data->prochot_override); 2323 mutex_unlock(&data->update_lock); 2324 return count; 2325 } 2326 2327 static SENSOR_DEVICE_ATTR(prochot1_override, S_IWUSR | S_IRUGO, 2328 show_prochot_override, store_prochot_override, 0); 2329 static SENSOR_DEVICE_ATTR(prochot2_override, S_IWUSR | S_IRUGO, 2330 show_prochot_override, store_prochot_override, 1); 2331 2332 static ssize_t show_prochot_interval(struct device *dev, 2333 struct device_attribute *attr, char *buf) 2334 { 2335 int nr = (to_sensor_dev_attr(attr))->index; 2336 struct lm93_data *data = lm93_update_device(dev); 2337 u8 tmp; 2338 if (nr == 1) 2339 tmp = (data->prochot_interval & 0xf0) >> 4; 2340 else 2341 tmp = data->prochot_interval & 0x0f; 2342 return sprintf(buf, "%d\n", LM93_INTERVAL_FROM_REG(tmp)); 2343 } 2344 2345 static ssize_t store_prochot_interval(struct device *dev, 2346 struct device_attribute *attr, 2347 const char *buf, size_t count) 2348 { 2349 int nr = (to_sensor_dev_attr(attr))->index; 2350 struct i2c_client *client = to_i2c_client(dev); 2351 struct lm93_data *data = i2c_get_clientdata(client); 2352 u8 tmp; 2353 unsigned long val; 2354 int err; 2355 2356 err = kstrtoul(buf, 10, &val); 2357 if (err) 2358 return err; 2359 2360 mutex_lock(&data->update_lock); 2361 tmp = lm93_read_byte(client, LM93_REG_PROCHOT_INTERVAL); 2362 if (nr == 1) 2363 tmp = (tmp & 0x0f) | (LM93_INTERVAL_TO_REG(val) << 4); 2364 else 2365 tmp = (tmp & 0xf0) | LM93_INTERVAL_TO_REG(val); 2366 data->prochot_interval = tmp; 2367 lm93_write_byte(client, LM93_REG_PROCHOT_INTERVAL, tmp); 2368 mutex_unlock(&data->update_lock); 2369 return count; 2370 } 2371 2372 static SENSOR_DEVICE_ATTR(prochot1_interval, S_IWUSR | S_IRUGO, 2373 show_prochot_interval, store_prochot_interval, 0); 2374 static SENSOR_DEVICE_ATTR(prochot2_interval, S_IWUSR | S_IRUGO, 2375 show_prochot_interval, store_prochot_interval, 1); 2376 2377 static ssize_t show_prochot_override_duty_cycle(struct device *dev, 2378 struct device_attribute *attr, 2379 char *buf) 2380 { 2381 struct lm93_data *data = lm93_update_device(dev); 2382 return sprintf(buf, "%d\n", data->prochot_override & 0x0f); 2383 } 2384 2385 static ssize_t store_prochot_override_duty_cycle(struct device *dev, 2386 struct device_attribute *attr, 2387 const char *buf, size_t count) 2388 { 2389 struct i2c_client *client = to_i2c_client(dev); 2390 struct lm93_data *data = i2c_get_clientdata(client); 2391 unsigned long val; 2392 int err; 2393 2394 err = kstrtoul(buf, 10, &val); 2395 if (err) 2396 return err; 2397 2398 mutex_lock(&data->update_lock); 2399 data->prochot_override = (data->prochot_override & 0xf0) | 2400 SENSORS_LIMIT(val, 0, 15); 2401 lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE, 2402 data->prochot_override); 2403 mutex_unlock(&data->update_lock); 2404 return count; 2405 } 2406 2407 static DEVICE_ATTR(prochot_override_duty_cycle, S_IRUGO | S_IWUSR, 2408 show_prochot_override_duty_cycle, 2409 store_prochot_override_duty_cycle); 2410 2411 static ssize_t show_prochot_short(struct device *dev, 2412 struct device_attribute *attr, char *buf) 2413 { 2414 struct lm93_data *data = lm93_update_device(dev); 2415 return sprintf(buf, "%d\n", (data->config & 0x10) ? 1 : 0); 2416 } 2417 2418 static ssize_t store_prochot_short(struct device *dev, 2419 struct device_attribute *attr, 2420 const char *buf, size_t count) 2421 { 2422 struct i2c_client *client = to_i2c_client(dev); 2423 struct lm93_data *data = i2c_get_clientdata(client); 2424 unsigned long val; 2425 int err; 2426 2427 err = kstrtoul(buf, 10, &val); 2428 if (err) 2429 return err; 2430 2431 mutex_lock(&data->update_lock); 2432 if (val) 2433 data->config |= 0x10; 2434 else 2435 data->config &= ~0x10; 2436 lm93_write_byte(client, LM93_REG_CONFIG, data->config); 2437 mutex_unlock(&data->update_lock); 2438 return count; 2439 } 2440 2441 static DEVICE_ATTR(prochot_short, S_IRUGO | S_IWUSR, 2442 show_prochot_short, store_prochot_short); 2443 2444 static ssize_t show_vrdhot(struct device *dev, struct device_attribute *attr, 2445 char *buf) 2446 { 2447 int nr = (to_sensor_dev_attr(attr))->index; 2448 struct lm93_data *data = lm93_update_device(dev); 2449 return sprintf(buf, "%d\n", 2450 data->block1.host_status_1 & (1 << (nr + 4)) ? 1 : 0); 2451 } 2452 2453 static SENSOR_DEVICE_ATTR(vrdhot1, S_IRUGO, show_vrdhot, NULL, 0); 2454 static SENSOR_DEVICE_ATTR(vrdhot2, S_IRUGO, show_vrdhot, NULL, 1); 2455 2456 static ssize_t show_gpio(struct device *dev, struct device_attribute *attr, 2457 char *buf) 2458 { 2459 struct lm93_data *data = lm93_update_device(dev); 2460 return sprintf(buf, "%d\n", LM93_GPI_FROM_REG(data->gpi)); 2461 } 2462 2463 static DEVICE_ATTR(gpio, S_IRUGO, show_gpio, NULL); 2464 2465 static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, 2466 char *buf) 2467 { 2468 struct lm93_data *data = lm93_update_device(dev); 2469 return sprintf(buf, "%d\n", LM93_ALARMS_FROM_REG(data->block1)); 2470 } 2471 2472 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); 2473 2474 static struct attribute *lm93_attrs[] = { 2475 &sensor_dev_attr_in1_input.dev_attr.attr, 2476 &sensor_dev_attr_in2_input.dev_attr.attr, 2477 &sensor_dev_attr_in3_input.dev_attr.attr, 2478 &sensor_dev_attr_in4_input.dev_attr.attr, 2479 &sensor_dev_attr_in5_input.dev_attr.attr, 2480 &sensor_dev_attr_in6_input.dev_attr.attr, 2481 &sensor_dev_attr_in7_input.dev_attr.attr, 2482 &sensor_dev_attr_in8_input.dev_attr.attr, 2483 &sensor_dev_attr_in9_input.dev_attr.attr, 2484 &sensor_dev_attr_in10_input.dev_attr.attr, 2485 &sensor_dev_attr_in11_input.dev_attr.attr, 2486 &sensor_dev_attr_in12_input.dev_attr.attr, 2487 &sensor_dev_attr_in13_input.dev_attr.attr, 2488 &sensor_dev_attr_in14_input.dev_attr.attr, 2489 &sensor_dev_attr_in15_input.dev_attr.attr, 2490 &sensor_dev_attr_in16_input.dev_attr.attr, 2491 &sensor_dev_attr_in1_min.dev_attr.attr, 2492 &sensor_dev_attr_in2_min.dev_attr.attr, 2493 &sensor_dev_attr_in3_min.dev_attr.attr, 2494 &sensor_dev_attr_in4_min.dev_attr.attr, 2495 &sensor_dev_attr_in5_min.dev_attr.attr, 2496 &sensor_dev_attr_in6_min.dev_attr.attr, 2497 &sensor_dev_attr_in7_min.dev_attr.attr, 2498 &sensor_dev_attr_in8_min.dev_attr.attr, 2499 &sensor_dev_attr_in9_min.dev_attr.attr, 2500 &sensor_dev_attr_in10_min.dev_attr.attr, 2501 &sensor_dev_attr_in11_min.dev_attr.attr, 2502 &sensor_dev_attr_in12_min.dev_attr.attr, 2503 &sensor_dev_attr_in13_min.dev_attr.attr, 2504 &sensor_dev_attr_in14_min.dev_attr.attr, 2505 &sensor_dev_attr_in15_min.dev_attr.attr, 2506 &sensor_dev_attr_in16_min.dev_attr.attr, 2507 &sensor_dev_attr_in1_max.dev_attr.attr, 2508 &sensor_dev_attr_in2_max.dev_attr.attr, 2509 &sensor_dev_attr_in3_max.dev_attr.attr, 2510 &sensor_dev_attr_in4_max.dev_attr.attr, 2511 &sensor_dev_attr_in5_max.dev_attr.attr, 2512 &sensor_dev_attr_in6_max.dev_attr.attr, 2513 &sensor_dev_attr_in7_max.dev_attr.attr, 2514 &sensor_dev_attr_in8_max.dev_attr.attr, 2515 &sensor_dev_attr_in9_max.dev_attr.attr, 2516 &sensor_dev_attr_in10_max.dev_attr.attr, 2517 &sensor_dev_attr_in11_max.dev_attr.attr, 2518 &sensor_dev_attr_in12_max.dev_attr.attr, 2519 &sensor_dev_attr_in13_max.dev_attr.attr, 2520 &sensor_dev_attr_in14_max.dev_attr.attr, 2521 &sensor_dev_attr_in15_max.dev_attr.attr, 2522 &sensor_dev_attr_in16_max.dev_attr.attr, 2523 &sensor_dev_attr_temp1_input.dev_attr.attr, 2524 &sensor_dev_attr_temp2_input.dev_attr.attr, 2525 &sensor_dev_attr_temp3_input.dev_attr.attr, 2526 &sensor_dev_attr_temp1_min.dev_attr.attr, 2527 &sensor_dev_attr_temp2_min.dev_attr.attr, 2528 &sensor_dev_attr_temp3_min.dev_attr.attr, 2529 &sensor_dev_attr_temp1_max.dev_attr.attr, 2530 &sensor_dev_attr_temp2_max.dev_attr.attr, 2531 &sensor_dev_attr_temp3_max.dev_attr.attr, 2532 &sensor_dev_attr_temp1_auto_base.dev_attr.attr, 2533 &sensor_dev_attr_temp2_auto_base.dev_attr.attr, 2534 &sensor_dev_attr_temp3_auto_base.dev_attr.attr, 2535 &sensor_dev_attr_temp1_auto_boost.dev_attr.attr, 2536 &sensor_dev_attr_temp2_auto_boost.dev_attr.attr, 2537 &sensor_dev_attr_temp3_auto_boost.dev_attr.attr, 2538 &sensor_dev_attr_temp1_auto_boost_hyst.dev_attr.attr, 2539 &sensor_dev_attr_temp2_auto_boost_hyst.dev_attr.attr, 2540 &sensor_dev_attr_temp3_auto_boost_hyst.dev_attr.attr, 2541 &sensor_dev_attr_temp1_auto_offset1.dev_attr.attr, 2542 &sensor_dev_attr_temp1_auto_offset2.dev_attr.attr, 2543 &sensor_dev_attr_temp1_auto_offset3.dev_attr.attr, 2544 &sensor_dev_attr_temp1_auto_offset4.dev_attr.attr, 2545 &sensor_dev_attr_temp1_auto_offset5.dev_attr.attr, 2546 &sensor_dev_attr_temp1_auto_offset6.dev_attr.attr, 2547 &sensor_dev_attr_temp1_auto_offset7.dev_attr.attr, 2548 &sensor_dev_attr_temp1_auto_offset8.dev_attr.attr, 2549 &sensor_dev_attr_temp1_auto_offset9.dev_attr.attr, 2550 &sensor_dev_attr_temp1_auto_offset10.dev_attr.attr, 2551 &sensor_dev_attr_temp1_auto_offset11.dev_attr.attr, 2552 &sensor_dev_attr_temp1_auto_offset12.dev_attr.attr, 2553 &sensor_dev_attr_temp2_auto_offset1.dev_attr.attr, 2554 &sensor_dev_attr_temp2_auto_offset2.dev_attr.attr, 2555 &sensor_dev_attr_temp2_auto_offset3.dev_attr.attr, 2556 &sensor_dev_attr_temp2_auto_offset4.dev_attr.attr, 2557 &sensor_dev_attr_temp2_auto_offset5.dev_attr.attr, 2558 &sensor_dev_attr_temp2_auto_offset6.dev_attr.attr, 2559 &sensor_dev_attr_temp2_auto_offset7.dev_attr.attr, 2560 &sensor_dev_attr_temp2_auto_offset8.dev_attr.attr, 2561 &sensor_dev_attr_temp2_auto_offset9.dev_attr.attr, 2562 &sensor_dev_attr_temp2_auto_offset10.dev_attr.attr, 2563 &sensor_dev_attr_temp2_auto_offset11.dev_attr.attr, 2564 &sensor_dev_attr_temp2_auto_offset12.dev_attr.attr, 2565 &sensor_dev_attr_temp3_auto_offset1.dev_attr.attr, 2566 &sensor_dev_attr_temp3_auto_offset2.dev_attr.attr, 2567 &sensor_dev_attr_temp3_auto_offset3.dev_attr.attr, 2568 &sensor_dev_attr_temp3_auto_offset4.dev_attr.attr, 2569 &sensor_dev_attr_temp3_auto_offset5.dev_attr.attr, 2570 &sensor_dev_attr_temp3_auto_offset6.dev_attr.attr, 2571 &sensor_dev_attr_temp3_auto_offset7.dev_attr.attr, 2572 &sensor_dev_attr_temp3_auto_offset8.dev_attr.attr, 2573 &sensor_dev_attr_temp3_auto_offset9.dev_attr.attr, 2574 &sensor_dev_attr_temp3_auto_offset10.dev_attr.attr, 2575 &sensor_dev_attr_temp3_auto_offset11.dev_attr.attr, 2576 &sensor_dev_attr_temp3_auto_offset12.dev_attr.attr, 2577 &sensor_dev_attr_temp1_auto_pwm_min.dev_attr.attr, 2578 &sensor_dev_attr_temp2_auto_pwm_min.dev_attr.attr, 2579 &sensor_dev_attr_temp3_auto_pwm_min.dev_attr.attr, 2580 &sensor_dev_attr_temp1_auto_offset_hyst.dev_attr.attr, 2581 &sensor_dev_attr_temp2_auto_offset_hyst.dev_attr.attr, 2582 &sensor_dev_attr_temp3_auto_offset_hyst.dev_attr.attr, 2583 &sensor_dev_attr_fan1_input.dev_attr.attr, 2584 &sensor_dev_attr_fan2_input.dev_attr.attr, 2585 &sensor_dev_attr_fan3_input.dev_attr.attr, 2586 &sensor_dev_attr_fan4_input.dev_attr.attr, 2587 &sensor_dev_attr_fan1_min.dev_attr.attr, 2588 &sensor_dev_attr_fan2_min.dev_attr.attr, 2589 &sensor_dev_attr_fan3_min.dev_attr.attr, 2590 &sensor_dev_attr_fan4_min.dev_attr.attr, 2591 &sensor_dev_attr_fan1_smart_tach.dev_attr.attr, 2592 &sensor_dev_attr_fan2_smart_tach.dev_attr.attr, 2593 &sensor_dev_attr_fan3_smart_tach.dev_attr.attr, 2594 &sensor_dev_attr_fan4_smart_tach.dev_attr.attr, 2595 &sensor_dev_attr_pwm1.dev_attr.attr, 2596 &sensor_dev_attr_pwm2.dev_attr.attr, 2597 &sensor_dev_attr_pwm1_enable.dev_attr.attr, 2598 &sensor_dev_attr_pwm2_enable.dev_attr.attr, 2599 &sensor_dev_attr_pwm1_freq.dev_attr.attr, 2600 &sensor_dev_attr_pwm2_freq.dev_attr.attr, 2601 &sensor_dev_attr_pwm1_auto_channels.dev_attr.attr, 2602 &sensor_dev_attr_pwm2_auto_channels.dev_attr.attr, 2603 &sensor_dev_attr_pwm1_auto_spinup_min.dev_attr.attr, 2604 &sensor_dev_attr_pwm2_auto_spinup_min.dev_attr.attr, 2605 &sensor_dev_attr_pwm1_auto_spinup_time.dev_attr.attr, 2606 &sensor_dev_attr_pwm2_auto_spinup_time.dev_attr.attr, 2607 &dev_attr_pwm_auto_prochot_ramp.attr, 2608 &dev_attr_pwm_auto_vrdhot_ramp.attr, 2609 &sensor_dev_attr_cpu0_vid.dev_attr.attr, 2610 &sensor_dev_attr_cpu1_vid.dev_attr.attr, 2611 &sensor_dev_attr_prochot1.dev_attr.attr, 2612 &sensor_dev_attr_prochot2.dev_attr.attr, 2613 &sensor_dev_attr_prochot1_avg.dev_attr.attr, 2614 &sensor_dev_attr_prochot2_avg.dev_attr.attr, 2615 &sensor_dev_attr_prochot1_max.dev_attr.attr, 2616 &sensor_dev_attr_prochot2_max.dev_attr.attr, 2617 &sensor_dev_attr_prochot1_override.dev_attr.attr, 2618 &sensor_dev_attr_prochot2_override.dev_attr.attr, 2619 &sensor_dev_attr_prochot1_interval.dev_attr.attr, 2620 &sensor_dev_attr_prochot2_interval.dev_attr.attr, 2621 &dev_attr_prochot_override_duty_cycle.attr, 2622 &dev_attr_prochot_short.attr, 2623 &sensor_dev_attr_vrdhot1.dev_attr.attr, 2624 &sensor_dev_attr_vrdhot2.dev_attr.attr, 2625 &dev_attr_gpio.attr, 2626 &dev_attr_alarms.attr, 2627 NULL 2628 }; 2629 2630 static struct attribute_group lm93_attr_grp = { 2631 .attrs = lm93_attrs, 2632 }; 2633 2634 static void lm93_init_client(struct i2c_client *client) 2635 { 2636 int i; 2637 u8 reg; 2638 2639 /* configure VID pin input thresholds */ 2640 reg = lm93_read_byte(client, LM93_REG_GPI_VID_CTL); 2641 lm93_write_byte(client, LM93_REG_GPI_VID_CTL, 2642 reg | (vid_agtl ? 0x03 : 0x00)); 2643 2644 if (init) { 2645 /* enable #ALERT pin */ 2646 reg = lm93_read_byte(client, LM93_REG_CONFIG); 2647 lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x08); 2648 2649 /* enable ASF mode for BMC status registers */ 2650 reg = lm93_read_byte(client, LM93_REG_STATUS_CONTROL); 2651 lm93_write_byte(client, LM93_REG_STATUS_CONTROL, reg | 0x02); 2652 2653 /* set sleep state to S0 */ 2654 lm93_write_byte(client, LM93_REG_SLEEP_CONTROL, 0); 2655 2656 /* unmask #VRDHOT and dynamic VCCP (if nec) error events */ 2657 reg = lm93_read_byte(client, LM93_REG_MISC_ERR_MASK); 2658 reg &= ~0x03; 2659 reg &= ~(vccp_limit_type[0] ? 0x10 : 0); 2660 reg &= ~(vccp_limit_type[1] ? 0x20 : 0); 2661 lm93_write_byte(client, LM93_REG_MISC_ERR_MASK, reg); 2662 } 2663 2664 /* start monitoring */ 2665 reg = lm93_read_byte(client, LM93_REG_CONFIG); 2666 lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x01); 2667 2668 /* spin until ready */ 2669 for (i = 0; i < 20; i++) { 2670 msleep(10); 2671 if ((lm93_read_byte(client, LM93_REG_CONFIG) & 0x80) == 0x80) 2672 return; 2673 } 2674 2675 dev_warn(&client->dev, "timed out waiting for sensor " 2676 "chip to signal ready!\n"); 2677 } 2678 2679 /* Return 0 if detection is successful, -ENODEV otherwise */ 2680 static int lm93_detect(struct i2c_client *client, struct i2c_board_info *info) 2681 { 2682 struct i2c_adapter *adapter = client->adapter; 2683 int mfr, ver; 2684 const char *name; 2685 2686 if (!i2c_check_functionality(adapter, LM93_SMBUS_FUNC_MIN)) 2687 return -ENODEV; 2688 2689 /* detection */ 2690 mfr = lm93_read_byte(client, LM93_REG_MFR_ID); 2691 if (mfr != 0x01) { 2692 dev_dbg(&adapter->dev, 2693 "detect failed, bad manufacturer id 0x%02x!\n", mfr); 2694 return -ENODEV; 2695 } 2696 2697 ver = lm93_read_byte(client, LM93_REG_VER); 2698 switch (ver) { 2699 case LM93_MFR_ID: 2700 case LM93_MFR_ID_PROTOTYPE: 2701 name = "lm93"; 2702 break; 2703 case LM94_MFR_ID_2: 2704 case LM94_MFR_ID: 2705 case LM94_MFR_ID_PROTOTYPE: 2706 name = "lm94"; 2707 break; 2708 default: 2709 dev_dbg(&adapter->dev, 2710 "detect failed, bad version id 0x%02x!\n", ver); 2711 return -ENODEV; 2712 } 2713 2714 strlcpy(info->type, name, I2C_NAME_SIZE); 2715 dev_dbg(&adapter->dev, "loading %s at %d, 0x%02x\n", 2716 client->name, i2c_adapter_id(client->adapter), 2717 client->addr); 2718 2719 return 0; 2720 } 2721 2722 static int lm93_probe(struct i2c_client *client, 2723 const struct i2c_device_id *id) 2724 { 2725 struct lm93_data *data; 2726 int err, func; 2727 void (*update)(struct lm93_data *, struct i2c_client *); 2728 2729 /* choose update routine based on bus capabilities */ 2730 func = i2c_get_functionality(client->adapter); 2731 if (((LM93_SMBUS_FUNC_FULL & func) == LM93_SMBUS_FUNC_FULL) && 2732 (!disable_block)) { 2733 dev_dbg(&client->dev, "using SMBus block data transactions\n"); 2734 update = lm93_update_client_full; 2735 } else if ((LM93_SMBUS_FUNC_MIN & func) == LM93_SMBUS_FUNC_MIN) { 2736 dev_dbg(&client->dev, "disabled SMBus block data " 2737 "transactions\n"); 2738 update = lm93_update_client_min; 2739 } else { 2740 dev_dbg(&client->dev, "detect failed, " 2741 "smbus byte and/or word data not supported!\n"); 2742 return -ENODEV; 2743 } 2744 2745 data = devm_kzalloc(&client->dev, sizeof(struct lm93_data), GFP_KERNEL); 2746 if (!data) { 2747 dev_dbg(&client->dev, "out of memory!\n"); 2748 return -ENOMEM; 2749 } 2750 i2c_set_clientdata(client, data); 2751 2752 /* housekeeping */ 2753 data->valid = 0; 2754 data->update = update; 2755 mutex_init(&data->update_lock); 2756 2757 /* initialize the chip */ 2758 lm93_init_client(client); 2759 2760 err = sysfs_create_group(&client->dev.kobj, &lm93_attr_grp); 2761 if (err) 2762 return err; 2763 2764 /* Register hwmon driver class */ 2765 data->hwmon_dev = hwmon_device_register(&client->dev); 2766 if (!IS_ERR(data->hwmon_dev)) 2767 return 0; 2768 2769 err = PTR_ERR(data->hwmon_dev); 2770 dev_err(&client->dev, "error registering hwmon device.\n"); 2771 sysfs_remove_group(&client->dev.kobj, &lm93_attr_grp); 2772 return err; 2773 } 2774 2775 static int lm93_remove(struct i2c_client *client) 2776 { 2777 struct lm93_data *data = i2c_get_clientdata(client); 2778 2779 hwmon_device_unregister(data->hwmon_dev); 2780 sysfs_remove_group(&client->dev.kobj, &lm93_attr_grp); 2781 2782 return 0; 2783 } 2784 2785 static const struct i2c_device_id lm93_id[] = { 2786 { "lm93", 0 }, 2787 { "lm94", 0 }, 2788 { } 2789 }; 2790 MODULE_DEVICE_TABLE(i2c, lm93_id); 2791 2792 static struct i2c_driver lm93_driver = { 2793 .class = I2C_CLASS_HWMON, 2794 .driver = { 2795 .name = "lm93", 2796 }, 2797 .probe = lm93_probe, 2798 .remove = lm93_remove, 2799 .id_table = lm93_id, 2800 .detect = lm93_detect, 2801 .address_list = normal_i2c, 2802 }; 2803 2804 module_i2c_driver(lm93_driver); 2805 2806 MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>, " 2807 "Hans J. Koch <hjk@hansjkoch.de>"); 2808 MODULE_DESCRIPTION("LM93 driver"); 2809 MODULE_LICENSE("GPL"); 2810