1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * nct6775 - Driver for the hardware monitoring functionality of 4 * Nuvoton NCT677x Super-I/O chips 5 * 6 * Copyright (C) 2012 Guenter Roeck <linux@roeck-us.net> 7 * 8 * Derived from w83627ehf driver 9 * Copyright (C) 2005-2012 Jean Delvare <jdelvare@suse.de> 10 * Copyright (C) 2006 Yuan Mu (Winbond), 11 * Rudolf Marek <r.marek@assembler.cz> 12 * David Hubbard <david.c.hubbard@gmail.com> 13 * Daniel J Blueman <daniel.blueman@gmail.com> 14 * Copyright (C) 2010 Sheng-Yuan Huang (Nuvoton) (PS00) 15 * 16 * Shamelessly ripped from the w83627hf driver 17 * Copyright (C) 2003 Mark Studebaker 18 * 19 * Supports the following chips: 20 * 21 * Chip #vin #fan #pwm #temp chip IDs man ID 22 * nct6106d 9 3 3 6+3 0xc450 0xc1 0x5ca3 23 * nct6116d 9 5 5 3+3 0xd280 0xc1 0x5ca3 24 * nct6775f 9 4 3 6+3 0xb470 0xc1 0x5ca3 25 * nct6776f 9 5 3 6+3 0xc330 0xc1 0x5ca3 26 * nct6779d 15 5 5 2+6 0xc560 0xc1 0x5ca3 27 * nct6791d 15 6 6 2+6 0xc800 0xc1 0x5ca3 28 * nct6792d 15 6 6 2+6 0xc910 0xc1 0x5ca3 29 * nct6793d 15 6 6 2+6 0xd120 0xc1 0x5ca3 30 * nct6795d 14 6 6 2+6 0xd350 0xc1 0x5ca3 31 * nct6796d 14 7 7 2+6 0xd420 0xc1 0x5ca3 32 * nct6797d 14 7 7 2+6 0xd450 0xc1 0x5ca3 33 * (0xd451) 34 * nct6798d 14 7 7 2+6 0xd428 0xc1 0x5ca3 35 * (0xd429) 36 * nct6796d-s 18 7 7 6+2 0xd801 0xc1 0x5ca3 37 * nct6799d-r 18 7 7 6+2 0xd802 0xc1 0x5ca3 38 * 39 * #temp lists the number of monitored temperature sources (first value) plus 40 * the number of directly connectable temperature sensors (second value). 41 */ 42 43#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 44 45#include <linux/module.h> 46#include <linux/init.h> 47#include <linux/slab.h> 48#include <linux/jiffies.h> 49#include <linux/hwmon.h> 50#include <linux/hwmon-sysfs.h> 51#include <linux/err.h> 52#include <linux/mutex.h> 53#include <linux/bitops.h> 54#include <linux/nospec.h> 55#include <linux/regmap.h> 56#include "lm75.h" 57#include "nct6775.h" 58 59#undef DEFAULT_SYMBOL_NAMESPACE 60#define DEFAULT_SYMBOL_NAMESPACE HWMON_NCT6775 61 62#define USE_ALTERNATE 63 64/* used to set data->name = nct6775_device_names[data->sio_kind] */ 65static const char * const nct6775_device_names[] = { 66 [nct6106] = "nct6106", 67 [nct6116] = "nct6116", 68 [nct6775] = "nct6775", 69 [nct6776] = "nct6776", 70 [nct6779] = "nct6779", 71 [nct6791] = "nct6791", 72 [nct6792] = "nct6792", 73 [nct6793] = "nct6793", 74 [nct6795] = "nct6795", 75 [nct6796] = "nct6796", 76 [nct6797] = "nct6797", 77 [nct6798] = "nct6798", 78 [nct6799] = "nct6799", 79}; 80 81/* Common and NCT6775 specific data */ 82 83/* 84 * Voltage min/max registers for nr=7..14 are in bank 5 85 * min/max: 15-17 for NCT6799 only 86 */ 87 88static const u16 NCT6775_REG_IN_MAX[] = { 89 0x2b, 0x2d, 0x2f, 0x31, 0x33, 0x35, 0x37, 0x554, 0x556, 0x558, 0x55a, 90 0x55c, 0x55e, 0x560, 0x562, 0x564, 0x570, 0x572 }; 91static const u16 NCT6775_REG_IN_MIN[] = { 92 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x555, 0x557, 0x559, 0x55b, 93 0x55d, 0x55f, 0x561, 0x563, 0x565, 0x571, 0x573 }; 94static const u16 NCT6775_REG_IN[] = { 95 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x550, 0x551, 0x552 96}; 97 98#define NCT6775_REG_VBAT 0x5D 99#define NCT6775_REG_DIODE 0x5E 100#define NCT6775_DIODE_MASK 0x02 101 102static const u16 NCT6775_REG_ALARM[NUM_REG_ALARM] = { 0x459, 0x45A, 0x45B }; 103 104static const s8 NCT6775_ALARM_BITS[NUM_ALARM_BITS] = { 105 0, 1, 2, 3, 8, 21, 20, 16, 17, -1, -1, -1, /* in0-in11 */ 106 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* in12-in23 */ 107 6, 7, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* fan1-fan12 */ 108 4, 5, 13, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* temp1-temp12 */ 109 12, -1, /* intr0-intr1 */ 110}; 111 112static const u16 NCT6775_REG_BEEP[NUM_REG_BEEP] = { 0x56, 0x57, 0x453, 0x4e }; 113 114static const s8 NCT6775_BEEP_BITS[NUM_BEEP_BITS] = { 115 0, 1, 2, 3, 8, 9, 10, 16, 17, -1, -1, -1, /* in0-in11 */ 116 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* in12-in23 */ 117 6, 7, 11, 28, -1, -1, -1, -1, -1, -1, -1, -1, /* fan1-fan12 */ 118 4, 5, 13, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* temp1-temp12 */ 119 12, -1, 21 /* intr0-intr1, beep_en */ 120}; 121 122/* DC or PWM output fan configuration */ 123static const u8 NCT6775_REG_PWM_MODE[] = { 0x04, 0x04, 0x12 }; 124static const u8 NCT6775_PWM_MODE_MASK[] = { 0x01, 0x02, 0x01 }; 125 126/* Advanced Fan control, some values are common for all fans */ 127 128static const u16 NCT6775_REG_TARGET[] = { 129 0x101, 0x201, 0x301, 0x801, 0x901, 0xa01, 0xb01 }; 130static const u16 NCT6775_REG_FAN_MODE[] = { 131 0x102, 0x202, 0x302, 0x802, 0x902, 0xa02, 0xb02 }; 132static const u16 NCT6775_REG_FAN_STEP_DOWN_TIME[] = { 133 0x103, 0x203, 0x303, 0x803, 0x903, 0xa03, 0xb03 }; 134static const u16 NCT6775_REG_FAN_STEP_UP_TIME[] = { 135 0x104, 0x204, 0x304, 0x804, 0x904, 0xa04, 0xb04 }; 136static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = { 137 0x105, 0x205, 0x305, 0x805, 0x905, 0xa05, 0xb05 }; 138static const u16 NCT6775_REG_FAN_START_OUTPUT[] = { 139 0x106, 0x206, 0x306, 0x806, 0x906, 0xa06, 0xb06 }; 140static const u16 NCT6775_REG_FAN_MAX_OUTPUT[] = { 0x10a, 0x20a, 0x30a }; 141static const u16 NCT6775_REG_FAN_STEP_OUTPUT[] = { 0x10b, 0x20b, 0x30b }; 142 143static const u16 NCT6775_REG_FAN_STOP_TIME[] = { 144 0x107, 0x207, 0x307, 0x807, 0x907, 0xa07, 0xb07 }; 145static const u16 NCT6775_REG_PWM[] = { 146 0x109, 0x209, 0x309, 0x809, 0x909, 0xa09, 0xb09 }; 147static const u16 NCT6775_REG_PWM_READ[] = { 148 0x01, 0x03, 0x11, 0x13, 0x15, 0xa09, 0xb09 }; 149 150static const u16 NCT6775_REG_FAN[] = { 0x630, 0x632, 0x634, 0x636, 0x638 }; 151static const u16 NCT6775_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d }; 152static const u16 NCT6775_REG_FAN_PULSES[NUM_FAN] = { 153 0x641, 0x642, 0x643, 0x644 }; 154static const u16 NCT6775_FAN_PULSE_SHIFT[NUM_FAN] = { }; 155 156static const u16 NCT6775_REG_TEMP[] = { 157 0x27, 0x150, 0x250, 0x62b, 0x62c, 0x62d }; 158 159static const u16 NCT6775_REG_TEMP_MON[] = { 0x73, 0x75, 0x77 }; 160 161static const u16 NCT6775_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6775_REG_TEMP)] = { 162 0, 0x152, 0x252, 0x628, 0x629, 0x62A }; 163static const u16 NCT6775_REG_TEMP_HYST[ARRAY_SIZE(NCT6775_REG_TEMP)] = { 164 0x3a, 0x153, 0x253, 0x673, 0x678, 0x67D }; 165static const u16 NCT6775_REG_TEMP_OVER[ARRAY_SIZE(NCT6775_REG_TEMP)] = { 166 0x39, 0x155, 0x255, 0x672, 0x677, 0x67C }; 167 168static const u16 NCT6775_REG_TEMP_SOURCE[ARRAY_SIZE(NCT6775_REG_TEMP)] = { 169 0x621, 0x622, 0x623, 0x624, 0x625, 0x626 }; 170 171static const u16 NCT6775_REG_TEMP_SEL[] = { 172 0x100, 0x200, 0x300, 0x800, 0x900, 0xa00, 0xb00 }; 173 174static const u16 NCT6775_REG_WEIGHT_TEMP_SEL[] = { 175 0x139, 0x239, 0x339, 0x839, 0x939, 0xa39 }; 176static const u16 NCT6775_REG_WEIGHT_TEMP_STEP[] = { 177 0x13a, 0x23a, 0x33a, 0x83a, 0x93a, 0xa3a }; 178static const u16 NCT6775_REG_WEIGHT_TEMP_STEP_TOL[] = { 179 0x13b, 0x23b, 0x33b, 0x83b, 0x93b, 0xa3b }; 180static const u16 NCT6775_REG_WEIGHT_DUTY_STEP[] = { 181 0x13c, 0x23c, 0x33c, 0x83c, 0x93c, 0xa3c }; 182static const u16 NCT6775_REG_WEIGHT_TEMP_BASE[] = { 183 0x13d, 0x23d, 0x33d, 0x83d, 0x93d, 0xa3d }; 184 185static const u16 NCT6775_REG_TEMP_OFFSET[] = { 0x454, 0x455, 0x456 }; 186 187static const u16 NCT6775_REG_AUTO_TEMP[] = { 188 0x121, 0x221, 0x321, 0x821, 0x921, 0xa21, 0xb21 }; 189static const u16 NCT6775_REG_AUTO_PWM[] = { 190 0x127, 0x227, 0x327, 0x827, 0x927, 0xa27, 0xb27 }; 191 192#define NCT6775_AUTO_TEMP(data, nr, p) ((data)->REG_AUTO_TEMP[nr] + (p)) 193#define NCT6775_AUTO_PWM(data, nr, p) ((data)->REG_AUTO_PWM[nr] + (p)) 194 195static const u16 NCT6775_REG_CRITICAL_ENAB[] = { 0x134, 0x234, 0x334 }; 196 197static const u16 NCT6775_REG_CRITICAL_TEMP[] = { 198 0x135, 0x235, 0x335, 0x835, 0x935, 0xa35, 0xb35 }; 199static const u16 NCT6775_REG_CRITICAL_TEMP_TOLERANCE[] = { 200 0x138, 0x238, 0x338, 0x838, 0x938, 0xa38, 0xb38 }; 201 202static const char *const nct6775_temp_label[] = { 203 "", 204 "SYSTIN", 205 "CPUTIN", 206 "AUXTIN", 207 "AMD SB-TSI", 208 "PECI Agent 0", 209 "PECI Agent 1", 210 "PECI Agent 2", 211 "PECI Agent 3", 212 "PECI Agent 4", 213 "PECI Agent 5", 214 "PECI Agent 6", 215 "PECI Agent 7", 216 "PCH_CHIP_CPU_MAX_TEMP", 217 "PCH_CHIP_TEMP", 218 "PCH_CPU_TEMP", 219 "PCH_MCH_TEMP", 220 "PCH_DIM0_TEMP", 221 "PCH_DIM1_TEMP", 222 "PCH_DIM2_TEMP", 223 "PCH_DIM3_TEMP" 224}; 225 226#define NCT6775_TEMP_MASK 0x001ffffe 227#define NCT6775_VIRT_TEMP_MASK 0x00000000 228 229static const u16 NCT6775_REG_TEMP_ALTERNATE[32] = { 230 [13] = 0x661, 231 [14] = 0x662, 232 [15] = 0x664, 233}; 234 235static const u16 NCT6775_REG_TEMP_CRIT[32] = { 236 [4] = 0xa00, 237 [5] = 0xa01, 238 [6] = 0xa02, 239 [7] = 0xa03, 240 [8] = 0xa04, 241 [9] = 0xa05, 242 [10] = 0xa06, 243 [11] = 0xa07 244}; 245 246static const u16 NCT6775_REG_TSI_TEMP[] = { 0x669 }; 247 248/* NCT6776 specific data */ 249 250/* STEP_UP_TIME and STEP_DOWN_TIME regs are swapped for all chips but NCT6775 */ 251#define NCT6776_REG_FAN_STEP_UP_TIME NCT6775_REG_FAN_STEP_DOWN_TIME 252#define NCT6776_REG_FAN_STEP_DOWN_TIME NCT6775_REG_FAN_STEP_UP_TIME 253 254static const s8 NCT6776_ALARM_BITS[NUM_ALARM_BITS] = { 255 0, 1, 2, 3, 8, 21, 20, 16, 17, -1, -1, -1, /* in0-in11 */ 256 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* in12-in23 */ 257 6, 7, 11, 10, 23, -1, -1, -1, -1, -1, -1, -1, /* fan1-fan12 */ 258 4, 5, 13, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* temp1-temp12 */ 259 12, 9, /* intr0-intr1 */ 260}; 261 262/* 0xbf: nct6799 only */ 263static const u16 NCT6776_REG_BEEP[NUM_REG_BEEP] = { 0xb2, 0xb3, 0xb4, 0xb5, 0xbf }; 264 265static const s8 NCT6776_BEEP_BITS[NUM_BEEP_BITS] = { 266 0, 1, 2, 3, 4, 5, 6, 7, 8, -1, -1, -1, /* in0-in11 */ 267 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* in12-in23 */ 268 25, 26, 27, 28, 29, -1, -1, -1, -1, -1, -1, -1, /* fan1-fan12 */ 269 16, 17, 18, 19, 20, 21, -1, -1, -1, -1, -1, -1, /* temp1-temp12 */ 270 30, 31, 24 /* intr0-intr1, beep_en */ 271}; 272 273static const u16 NCT6776_REG_TOLERANCE_H[] = { 274 0x10c, 0x20c, 0x30c, 0x80c, 0x90c, 0xa0c, 0xb0c }; 275 276static const u8 NCT6776_REG_PWM_MODE[] = { 0x04, 0, 0, 0, 0, 0 }; 277static const u8 NCT6776_PWM_MODE_MASK[] = { 0x01, 0, 0, 0, 0, 0 }; 278 279static const u16 NCT6776_REG_FAN_MIN[] = { 280 0x63a, 0x63c, 0x63e, 0x640, 0x642, 0x64a, 0x64c }; 281static const u16 NCT6776_REG_FAN_PULSES[NUM_FAN] = { 282 0x644, 0x645, 0x646, 0x647, 0x648, 0x649 }; 283 284static const u16 NCT6776_REG_WEIGHT_DUTY_BASE[] = { 285 0x13e, 0x23e, 0x33e, 0x83e, 0x93e, 0xa3e }; 286 287static const u16 NCT6776_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6775_REG_TEMP)] = { 288 0x18, 0x152, 0x252, 0x628, 0x629, 0x62A }; 289 290static const char *const nct6776_temp_label[] = { 291 "", 292 "SYSTIN", 293 "CPUTIN", 294 "AUXTIN", 295 "SMBUSMASTER 0", 296 "SMBUSMASTER 1", 297 "SMBUSMASTER 2", 298 "SMBUSMASTER 3", 299 "SMBUSMASTER 4", 300 "SMBUSMASTER 5", 301 "SMBUSMASTER 6", 302 "SMBUSMASTER 7", 303 "PECI Agent 0", 304 "PECI Agent 1", 305 "PCH_CHIP_CPU_MAX_TEMP", 306 "PCH_CHIP_TEMP", 307 "PCH_CPU_TEMP", 308 "PCH_MCH_TEMP", 309 "PCH_DIM0_TEMP", 310 "PCH_DIM1_TEMP", 311 "PCH_DIM2_TEMP", 312 "PCH_DIM3_TEMP", 313 "BYTE_TEMP" 314}; 315 316#define NCT6776_TEMP_MASK 0x007ffffe 317#define NCT6776_VIRT_TEMP_MASK 0x00000000 318 319static const u16 NCT6776_REG_TEMP_ALTERNATE[32] = { 320 [14] = 0x401, 321 [15] = 0x402, 322 [16] = 0x404, 323}; 324 325static const u16 NCT6776_REG_TEMP_CRIT[32] = { 326 [11] = 0x709, 327 [12] = 0x70a, 328}; 329 330static const u16 NCT6776_REG_TSI_TEMP[] = { 331 0x409, 0x40b, 0x40d, 0x40f, 0x411, 0x413, 0x415, 0x417 }; 332 333/* NCT6779 specific data */ 334 335/* 336 * 15-17 for NCT6799 only, register labels are: 337 * CPUVC, VIN1, AVSB, 3VCC, VIN0, VIN8, VIN4, 3VSB 338 * VBAT, VTT, VIN5, VIN6, VIN2, VIN3, VIN7, VIN9 339 * VHIF, VIN10 340 */ 341static const u16 NCT6779_REG_IN[] = { 342 0x480, 0x481, 0x482, 0x483, 0x484, 0x485, 0x486, 0x487, 343 0x488, 0x489, 0x48a, 0x48b, 0x48c, 0x48d, 0x48e, 0x48f, 344 0x470, 0x471}; 345 346static const u16 NCT6779_REG_ALARM[NUM_REG_ALARM] = { 347 0x459, 0x45A, 0x45B, 0x568 }; 348 349static const s8 NCT6779_ALARM_BITS[NUM_ALARM_BITS] = { 350 0, 1, 2, 3, 8, 21, 20, 16, 17, 24, 25, 26, /* in0-in11 */ 351 27, 28, 29, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* in12-in23 */ 352 6, 7, 11, 10, 23, -1, -1, -1, -1, -1, -1, -1, /* fan1-fan12 */ 353 4, 5, 13, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* temp1-temp12 */ 354 12, 9, /* intr0-intr1 */ 355}; 356 357static const s8 NCT6779_BEEP_BITS[NUM_BEEP_BITS] = { 358 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, /* in0-in11 */ 359 12, 13, 14, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* in12-in23 */ 360 25, 26, 27, 28, 29, -1, -1, -1, -1, -1, -1, -1, /* fan1-fan12 */ 361 16, 17, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* temp1-temp12 */ 362 30, 31, 24 /* intr0-intr1, beep_en */ 363}; 364 365static const u16 NCT6779_REG_FAN[] = { 366 0x4c0, 0x4c2, 0x4c4, 0x4c6, 0x4c8, 0x4ca, 0x4ce }; 367static const u16 NCT6779_REG_FAN_PULSES[NUM_FAN] = { 368 0x644, 0x645, 0x646, 0x647, 0x648, 0x649, 0x64f }; 369 370static const u16 NCT6779_REG_CRITICAL_PWM_ENABLE[] = { 371 0x136, 0x236, 0x336, 0x836, 0x936, 0xa36, 0xb36 }; 372#define NCT6779_CRITICAL_PWM_ENABLE_MASK 0x01 373static const u16 NCT6779_REG_CRITICAL_PWM[] = { 374 0x137, 0x237, 0x337, 0x837, 0x937, 0xa37, 0xb37 }; 375 376static const u16 NCT6779_REG_TEMP[] = { 0x27, 0x150 }; 377static const u16 NCT6779_REG_TEMP_MON[] = { 0x73, 0x75, 0x77, 0x79, 0x7b }; 378static const u16 NCT6779_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6779_REG_TEMP)] = { 379 0x18, 0x152 }; 380static const u16 NCT6779_REG_TEMP_HYST[ARRAY_SIZE(NCT6779_REG_TEMP)] = { 381 0x3a, 0x153 }; 382static const u16 NCT6779_REG_TEMP_OVER[ARRAY_SIZE(NCT6779_REG_TEMP)] = { 383 0x39, 0x155 }; 384 385static const u16 NCT6779_REG_TEMP_OFFSET[] = { 386 0x454, 0x455, 0x456, 0x44a, 0x44b, 0x44c, 0x44d, 0x449 }; 387 388static const char *const nct6779_temp_label[] = { 389 "", 390 "SYSTIN", 391 "CPUTIN", 392 "AUXTIN0", 393 "AUXTIN1", 394 "AUXTIN2", 395 "AUXTIN3", 396 "", 397 "SMBUSMASTER 0", 398 "SMBUSMASTER 1", 399 "SMBUSMASTER 2", 400 "SMBUSMASTER 3", 401 "SMBUSMASTER 4", 402 "SMBUSMASTER 5", 403 "SMBUSMASTER 6", 404 "SMBUSMASTER 7", 405 "PECI Agent 0", 406 "PECI Agent 1", 407 "PCH_CHIP_CPU_MAX_TEMP", 408 "PCH_CHIP_TEMP", 409 "PCH_CPU_TEMP", 410 "PCH_MCH_TEMP", 411 "PCH_DIM0_TEMP", 412 "PCH_DIM1_TEMP", 413 "PCH_DIM2_TEMP", 414 "PCH_DIM3_TEMP", 415 "BYTE_TEMP", 416 "", 417 "", 418 "", 419 "", 420 "Virtual_TEMP" 421}; 422 423#define NCT6779_TEMP_MASK 0x07ffff7e 424#define NCT6779_VIRT_TEMP_MASK 0x00000000 425#define NCT6791_TEMP_MASK 0x87ffff7e 426#define NCT6791_VIRT_TEMP_MASK 0x80000000 427 428static const u16 NCT6779_REG_TEMP_ALTERNATE[32] 429 = { 0x490, 0x491, 0x492, 0x493, 0x494, 0x495, 0, 0, 430 0, 0, 0, 0, 0, 0, 0, 0, 431 0, 0x400, 0x401, 0x402, 0x404, 0x405, 0x406, 0x407, 432 0x408, 0 }; 433 434static const u16 NCT6779_REG_TEMP_CRIT[32] = { 435 [15] = 0x709, 436 [16] = 0x70a, 437}; 438 439/* NCT6791 specific data */ 440 441static const u16 NCT6791_REG_WEIGHT_TEMP_SEL[NUM_FAN] = { 0, 0x239 }; 442static const u16 NCT6791_REG_WEIGHT_TEMP_STEP[NUM_FAN] = { 0, 0x23a }; 443static const u16 NCT6791_REG_WEIGHT_TEMP_STEP_TOL[NUM_FAN] = { 0, 0x23b }; 444static const u16 NCT6791_REG_WEIGHT_DUTY_STEP[NUM_FAN] = { 0, 0x23c }; 445static const u16 NCT6791_REG_WEIGHT_TEMP_BASE[NUM_FAN] = { 0, 0x23d }; 446static const u16 NCT6791_REG_WEIGHT_DUTY_BASE[NUM_FAN] = { 0, 0x23e }; 447 448static const u16 NCT6791_REG_ALARM[NUM_REG_ALARM] = { 449 0x459, 0x45A, 0x45B, 0x568, 0x45D }; 450 451static const s8 NCT6791_ALARM_BITS[NUM_ALARM_BITS] = { 452 0, 1, 2, 3, 8, 21, 20, 16, 17, 24, 25, 26, /* in0-in11 */ 453 27, 28, 29, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* in12-in23 */ 454 6, 7, 11, 10, 23, 33, -1, -1, -1, -1, -1, -1, /* fan1-fan12 */ 455 4, 5, 13, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* temp1-temp12 */ 456 12, 9, /* intr0-intr1 */ 457}; 458 459/* NCT6792/NCT6793 specific data */ 460 461static const u16 NCT6792_REG_TEMP_MON[] = { 462 0x73, 0x75, 0x77, 0x79, 0x7b, 0x7d }; 463static const u16 NCT6792_REG_BEEP[NUM_REG_BEEP] = { 464 0xb2, 0xb3, 0xb4, 0xb5, 0xbf }; 465 466static const char *const nct6792_temp_label[] = { 467 "", 468 "SYSTIN", 469 "CPUTIN", 470 "AUXTIN0", 471 "AUXTIN1", 472 "AUXTIN2", 473 "AUXTIN3", 474 "", 475 "SMBUSMASTER 0", 476 "SMBUSMASTER 1", 477 "SMBUSMASTER 2", 478 "SMBUSMASTER 3", 479 "SMBUSMASTER 4", 480 "SMBUSMASTER 5", 481 "SMBUSMASTER 6", 482 "SMBUSMASTER 7", 483 "PECI Agent 0", 484 "PECI Agent 1", 485 "PCH_CHIP_CPU_MAX_TEMP", 486 "PCH_CHIP_TEMP", 487 "PCH_CPU_TEMP", 488 "PCH_MCH_TEMP", 489 "PCH_DIM0_TEMP", 490 "PCH_DIM1_TEMP", 491 "PCH_DIM2_TEMP", 492 "PCH_DIM3_TEMP", 493 "BYTE_TEMP", 494 "PECI Agent 0 Calibration", 495 "PECI Agent 1 Calibration", 496 "", 497 "", 498 "Virtual_TEMP" 499}; 500 501#define NCT6792_TEMP_MASK 0x9fffff7e 502#define NCT6792_VIRT_TEMP_MASK 0x80000000 503 504static const char *const nct6793_temp_label[] = { 505 "", 506 "SYSTIN", 507 "CPUTIN", 508 "AUXTIN0", 509 "AUXTIN1", 510 "AUXTIN2", 511 "AUXTIN3", 512 "", 513 "SMBUSMASTER 0", 514 "SMBUSMASTER 1", 515 "", 516 "", 517 "", 518 "", 519 "", 520 "", 521 "PECI Agent 0", 522 "PECI Agent 1", 523 "PCH_CHIP_CPU_MAX_TEMP", 524 "PCH_CHIP_TEMP", 525 "PCH_CPU_TEMP", 526 "PCH_MCH_TEMP", 527 "Agent0 Dimm0 ", 528 "Agent0 Dimm1", 529 "Agent1 Dimm0", 530 "Agent1 Dimm1", 531 "BYTE_TEMP0", 532 "BYTE_TEMP1", 533 "PECI Agent 0 Calibration", 534 "PECI Agent 1 Calibration", 535 "", 536 "Virtual_TEMP" 537}; 538 539#define NCT6793_TEMP_MASK 0xbfff037e 540#define NCT6793_VIRT_TEMP_MASK 0x80000000 541 542static const char *const nct6795_temp_label[] = { 543 "", 544 "SYSTIN", 545 "CPUTIN", 546 "AUXTIN0", 547 "AUXTIN1", 548 "AUXTIN2", 549 "AUXTIN3", 550 "", 551 "SMBUSMASTER 0", 552 "SMBUSMASTER 1", 553 "SMBUSMASTER 2", 554 "SMBUSMASTER 3", 555 "SMBUSMASTER 4", 556 "SMBUSMASTER 5", 557 "SMBUSMASTER 6", 558 "SMBUSMASTER 7", 559 "PECI Agent 0", 560 "PECI Agent 1", 561 "PCH_CHIP_CPU_MAX_TEMP", 562 "PCH_CHIP_TEMP", 563 "PCH_CPU_TEMP", 564 "PCH_MCH_TEMP", 565 "Agent0 Dimm0", 566 "Agent0 Dimm1", 567 "Agent1 Dimm0", 568 "Agent1 Dimm1", 569 "BYTE_TEMP0", 570 "BYTE_TEMP1", 571 "PECI Agent 0 Calibration", 572 "PECI Agent 1 Calibration", 573 "", 574 "Virtual_TEMP" 575}; 576 577#define NCT6795_TEMP_MASK 0xbfffff7e 578#define NCT6795_VIRT_TEMP_MASK 0x80000000 579 580static const char *const nct6796_temp_label[] = { 581 "", 582 "SYSTIN", 583 "CPUTIN", 584 "AUXTIN0", 585 "AUXTIN1", 586 "AUXTIN2", 587 "AUXTIN3", 588 "AUXTIN4", 589 "SMBUSMASTER 0", 590 "SMBUSMASTER 1", 591 "Virtual_TEMP", 592 "Virtual_TEMP", 593 "", 594 "", 595 "", 596 "", 597 "PECI Agent 0", 598 "PECI Agent 1", 599 "PCH_CHIP_CPU_MAX_TEMP", 600 "PCH_CHIP_TEMP", 601 "PCH_CPU_TEMP", 602 "PCH_MCH_TEMP", 603 "Agent0 Dimm0", 604 "Agent0 Dimm1", 605 "Agent1 Dimm0", 606 "Agent1 Dimm1", 607 "BYTE_TEMP0", 608 "BYTE_TEMP1", 609 "PECI Agent 0 Calibration", 610 "PECI Agent 1 Calibration", 611 "", 612 "Virtual_TEMP" 613}; 614 615#define NCT6796_TEMP_MASK 0xbfff0ffe 616#define NCT6796_VIRT_TEMP_MASK 0x80000c00 617 618static const u16 NCT6796_REG_TSI_TEMP[] = { 0x409, 0x40b }; 619 620static const u16 NCT6798_REG_TEMP[] = { 621 0x27, 0x150, 0x670, 0x672, 0x674, 0x676, 0x678, 0x67a}; 622 623static const u16 NCT6798_REG_TEMP_SOURCE[] = { 624 0x621, 0x622, 0xc26, 0xc27, 0xc28, 0xc29, 0xc2a, 0xc2b }; 625 626static const u16 NCT6798_REG_TEMP_MON[] = { 627 0x73, 0x75, 0x77, 0x79, 0x7b, 0x7d, 0x4a0 }; 628static const u16 NCT6798_REG_TEMP_OVER[] = { 629 0x39, 0x155, 0xc1a, 0xc1b, 0xc1c, 0xc1d, 0xc1e, 0xc1f }; 630static const u16 NCT6798_REG_TEMP_HYST[] = { 631 0x3a, 0x153, 0xc20, 0xc21, 0xc22, 0xc23, 0xc24, 0xc25 }; 632 633static const u16 NCT6798_REG_TEMP_CRIT[32] = { 634 0x135, 0x235, 0x335, 0x835, 0x935, 0xa35, 0xb35, 0 }; 635 636static const u16 NCT6798_REG_TEMP_ALTERNATE[32] = { 637 0x490, 0x491, 0x492, 0x493, 0x494, 0x495, 0x496, 0, 638 0, 0, 0, 0, 0x4a2, 0, 0, 0, 639 0, 0x400, 0x401, 0x402, 0x404, 0x405, 0x406, 0x407, 640 0x408, 0x419, 0x41a, 0x4f4, 0x4f5 }; 641 642static const char *const nct6798_temp_label[] = { 643 "", 644 "SYSTIN", 645 "CPUTIN", 646 "AUXTIN0", 647 "AUXTIN1", 648 "AUXTIN2", 649 "AUXTIN3", 650 "AUXTIN4", 651 "SMBUSMASTER 0", 652 "SMBUSMASTER 1", 653 "Virtual_TEMP", 654 "Virtual_TEMP", 655 "", 656 "", 657 "", 658 "", 659 "PECI Agent 0", 660 "PECI Agent 1", 661 "PCH_CHIP_CPU_MAX_TEMP", 662 "PCH_CHIP_TEMP", 663 "PCH_CPU_TEMP", 664 "PCH_MCH_TEMP", 665 "Agent0 Dimm0", 666 "Agent0 Dimm1", 667 "Agent1 Dimm0", 668 "Agent1 Dimm1", 669 "BYTE_TEMP0", 670 "BYTE_TEMP1", 671 "PECI Agent 0 Calibration", /* undocumented */ 672 "PECI Agent 1 Calibration", /* undocumented */ 673 "", 674 "Virtual_TEMP" 675}; 676 677#define NCT6798_TEMP_MASK 0xbfff0ffe 678#define NCT6798_VIRT_TEMP_MASK 0x80000c00 679 680static const u16 NCT6799_REG_ALARM[NUM_REG_ALARM] = { 681 0x459, 0x45A, 0x45B, 0x568, 0x45D, 0xc01 }; 682 683static const s8 NCT6799_ALARM_BITS[NUM_ALARM_BITS] = { 684 0, 1, 2, 3, 8, -1, 20, 16, 17, 24, 25, 26, /* in0-in11 */ 685 27, 28, 29, 30, 31, -1, -1, -1, -1, -1, -1, -1, /* in12-in23 */ 686 6, 7, 11, 10, 23, 33, -1, -1, -1, -1, -1, -1, /* fan1-fan12 */ 687 4, 5, 40, 41, 42, 43, 44, -1, -1, -1, -1, -1, /* temp1-temp12 */ 688 12, 9, /* intr0-intr1 */ 689}; 690 691static const s8 NCT6799_BEEP_BITS[NUM_BEEP_BITS] = { 692 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, /* in0-in11 */ 693 12, 13, 14, 15, 34, 35, -1, -1, -1, -1, -1, -1, /* in12-in23 */ 694 25, 26, 27, 28, 29, -1, -1, -1, -1, -1, -1, -1, /* fan1-fan12 */ 695 16, 17, 18, 19, 20, 21, 22, 23, -1, -1, -1, -1, /* temp1-temp12 */ 696 30, 31, 24 /* intr0-intr1, beep_en */ 697}; 698 699/* PECI Calibration only for NCT6799D, not NCT6796D-S */ 700static const char *const nct6799_temp_label[] = { 701 "", 702 "SYSTIN", 703 "CPUTIN", 704 "AUXTIN0", 705 "AUXTIN1", 706 "AUXTIN2", 707 "AUXTIN3", 708 "AUXTIN4", 709 "SMBUSMASTER 0", 710 "SMBUSMASTER 1", 711 "Virtual_TEMP", 712 "Virtual_TEMP", 713 "", 714 "AUXTIN5", 715 "", 716 "", 717 "PECI Agent 0", 718 "PECI Agent 1", 719 "PCH_CHIP_CPU_MAX_TEMP", 720 "PCH_CHIP_TEMP", 721 "PCH_CPU_TEMP", 722 "PCH_MCH_TEMP", 723 "Agent0 Dimm0", 724 "Agent0 Dimm1", 725 "Agent1 Dimm0", 726 "Agent1 Dimm1", 727 "BYTE_TEMP0", 728 "BYTE_TEMP1", 729 "PECI/TSI Agent 0 Calibration", 730 "PECI/TSI Agent 1 Calibration", 731 "", 732 "Virtual_TEMP" 733}; 734 735#define NCT6799_TEMP_MASK 0xbfff2ffe 736#define NCT6799_VIRT_TEMP_MASK 0x80000c00 737 738/* NCT6102D/NCT6106D specific data */ 739 740#define NCT6106_REG_VBAT 0x318 741#define NCT6106_REG_DIODE 0x319 742#define NCT6106_DIODE_MASK 0x01 743 744static const u16 NCT6106_REG_IN_MAX[] = { 745 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9e, 0xa0, 0xa2 }; 746static const u16 NCT6106_REG_IN_MIN[] = { 747 0x91, 0x93, 0x95, 0x97, 0x99, 0x9b, 0x9f, 0xa1, 0xa3 }; 748static const u16 NCT6106_REG_IN[] = { 749 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x07, 0x08, 0x09 }; 750 751static const u16 NCT6106_REG_TEMP[] = { 0x10, 0x11, 0x12, 0x13, 0x14, 0x15 }; 752static const u16 NCT6106_REG_TEMP_MON[] = { 0x18, 0x19, 0x1a }; 753static const u16 NCT6106_REG_TEMP_HYST[] = { 754 0xc3, 0xc7, 0xcb, 0xcf, 0xd3, 0xd7 }; 755static const u16 NCT6106_REG_TEMP_OVER[] = { 756 0xc2, 0xc6, 0xca, 0xce, 0xd2, 0xd6 }; 757static const u16 NCT6106_REG_TEMP_CRIT_L[] = { 758 0xc0, 0xc4, 0xc8, 0xcc, 0xd0, 0xd4 }; 759static const u16 NCT6106_REG_TEMP_CRIT_H[] = { 760 0xc1, 0xc5, 0xc9, 0xcf, 0xd1, 0xd5 }; 761static const u16 NCT6106_REG_TEMP_OFFSET[] = { 0x311, 0x312, 0x313 }; 762static const u16 NCT6106_REG_TEMP_CONFIG[] = { 763 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc }; 764 765static const u16 NCT6106_REG_FAN[] = { 0x20, 0x22, 0x24 }; 766static const u16 NCT6106_REG_FAN_MIN[] = { 0xe0, 0xe2, 0xe4 }; 767static const u16 NCT6106_REG_FAN_PULSES[] = { 0xf6, 0xf6, 0xf6 }; 768static const u16 NCT6106_FAN_PULSE_SHIFT[] = { 0, 2, 4 }; 769 770static const u8 NCT6106_REG_PWM_MODE[] = { 0xf3, 0xf3, 0xf3, 0, 0 }; 771static const u8 NCT6106_PWM_MODE_MASK[] = { 0x01, 0x02, 0x04, 0, 0 }; 772static const u16 NCT6106_REG_PWM_READ[] = { 0x4a, 0x4b, 0x4c, 0xd8, 0xd9 }; 773static const u16 NCT6106_REG_FAN_MODE[] = { 0x113, 0x123, 0x133 }; 774static const u16 NCT6106_REG_TEMP_SOURCE[] = { 775 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5 }; 776 777static const u16 NCT6106_REG_CRITICAL_TEMP[] = { 0x11a, 0x12a, 0x13a }; 778static const u16 NCT6106_REG_CRITICAL_TEMP_TOLERANCE[] = { 779 0x11b, 0x12b, 0x13b }; 780 781static const u16 NCT6106_REG_CRITICAL_PWM_ENABLE[] = { 0x11c, 0x12c, 0x13c }; 782#define NCT6106_CRITICAL_PWM_ENABLE_MASK 0x10 783static const u16 NCT6106_REG_CRITICAL_PWM[] = { 0x11d, 0x12d, 0x13d }; 784 785static const u16 NCT6106_REG_FAN_STEP_UP_TIME[] = { 0x114, 0x124, 0x134 }; 786static const u16 NCT6106_REG_FAN_STEP_DOWN_TIME[] = { 0x115, 0x125, 0x135 }; 787static const u16 NCT6106_REG_FAN_STOP_OUTPUT[] = { 0x116, 0x126, 0x136 }; 788static const u16 NCT6106_REG_FAN_START_OUTPUT[] = { 0x117, 0x127, 0x137 }; 789static const u16 NCT6106_REG_FAN_STOP_TIME[] = { 0x118, 0x128, 0x138 }; 790static const u16 NCT6106_REG_TOLERANCE_H[] = { 0x112, 0x122, 0x132 }; 791 792static const u16 NCT6106_REG_TARGET[] = { 0x111, 0x121, 0x131 }; 793 794static const u16 NCT6106_REG_WEIGHT_TEMP_SEL[] = { 0x168, 0x178, 0x188 }; 795static const u16 NCT6106_REG_WEIGHT_TEMP_STEP[] = { 0x169, 0x179, 0x189 }; 796static const u16 NCT6106_REG_WEIGHT_TEMP_STEP_TOL[] = { 0x16a, 0x17a, 0x18a }; 797static const u16 NCT6106_REG_WEIGHT_DUTY_STEP[] = { 0x16b, 0x17b, 0x18b }; 798static const u16 NCT6106_REG_WEIGHT_TEMP_BASE[] = { 0x16c, 0x17c, 0x18c }; 799static const u16 NCT6106_REG_WEIGHT_DUTY_BASE[] = { 0x16d, 0x17d, 0x18d }; 800 801static const u16 NCT6106_REG_AUTO_TEMP[] = { 0x160, 0x170, 0x180 }; 802static const u16 NCT6106_REG_AUTO_PWM[] = { 0x164, 0x174, 0x184 }; 803 804static const u16 NCT6106_REG_ALARM[NUM_REG_ALARM] = { 805 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d }; 806 807static const s8 NCT6106_ALARM_BITS[NUM_ALARM_BITS] = { 808 0, 1, 2, 3, 4, 5, 7, 8, 9, -1, -1, -1, /* in0-in11 */ 809 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* in12-in23 */ 810 32, 33, 34, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* fan1-fan12 */ 811 16, 17, 18, 19, 20, 21, -1, -1, -1, -1, -1, -1, /* temp1-temp12 */ 812 48, -1, /* intr0-intr1 */ 813}; 814 815static const u16 NCT6106_REG_BEEP[NUM_REG_BEEP] = { 816 0x3c0, 0x3c1, 0x3c2, 0x3c3, 0x3c4 }; 817 818static const s8 NCT6106_BEEP_BITS[NUM_BEEP_BITS] = { 819 0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, /* in0-in11 */ 820 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* in12-in23 */ 821 24, 25, 26, 27, 28, -1, -1, -1, -1, -1, -1, -1, /* fan1-fan12 */ 822 16, 17, 18, 19, 20, 21, -1, -1, -1, -1, -1, -1, /* temp1-temp12 */ 823 34, -1, 32 /* intr0-intr1, beep_en */ 824}; 825 826static const u16 NCT6106_REG_TEMP_ALTERNATE[32] = { 827 [14] = 0x51, 828 [15] = 0x52, 829 [16] = 0x54, 830}; 831 832static const u16 NCT6106_REG_TEMP_CRIT[32] = { 833 [11] = 0x204, 834 [12] = 0x205, 835}; 836 837static const u16 NCT6106_REG_TSI_TEMP[] = { 0x59, 0x5b, 0x5d, 0x5f, 0x61, 0x63, 0x65, 0x67 }; 838 839/* NCT6112D/NCT6114D/NCT6116D specific data */ 840 841static const u16 NCT6116_REG_FAN[] = { 0x20, 0x22, 0x24, 0x26, 0x28 }; 842static const u16 NCT6116_REG_FAN_MIN[] = { 0xe0, 0xe2, 0xe4, 0xe6, 0xe8 }; 843static const u16 NCT6116_REG_FAN_PULSES[] = { 0xf6, 0xf6, 0xf6, 0xf6, 0xf5 }; 844static const u16 NCT6116_FAN_PULSE_SHIFT[] = { 0, 2, 4, 6, 6 }; 845 846static const u16 NCT6116_REG_PWM[] = { 0x119, 0x129, 0x139, 0x199, 0x1a9 }; 847static const u16 NCT6116_REG_FAN_MODE[] = { 0x113, 0x123, 0x133, 0x193, 0x1a3 }; 848static const u16 NCT6116_REG_TEMP_SEL[] = { 0x110, 0x120, 0x130, 0x190, 0x1a0 }; 849static const u16 NCT6116_REG_TEMP_SOURCE[] = { 850 0xb0, 0xb1, 0xb2 }; 851 852static const u16 NCT6116_REG_CRITICAL_TEMP[] = { 853 0x11a, 0x12a, 0x13a, 0x19a, 0x1aa }; 854static const u16 NCT6116_REG_CRITICAL_TEMP_TOLERANCE[] = { 855 0x11b, 0x12b, 0x13b, 0x19b, 0x1ab }; 856 857static const u16 NCT6116_REG_CRITICAL_PWM_ENABLE[] = { 858 0x11c, 0x12c, 0x13c, 0x19c, 0x1ac }; 859static const u16 NCT6116_REG_CRITICAL_PWM[] = { 860 0x11d, 0x12d, 0x13d, 0x19d, 0x1ad }; 861 862static const u16 NCT6116_REG_FAN_STEP_UP_TIME[] = { 863 0x114, 0x124, 0x134, 0x194, 0x1a4 }; 864static const u16 NCT6116_REG_FAN_STEP_DOWN_TIME[] = { 865 0x115, 0x125, 0x135, 0x195, 0x1a5 }; 866static const u16 NCT6116_REG_FAN_STOP_OUTPUT[] = { 867 0x116, 0x126, 0x136, 0x196, 0x1a6 }; 868static const u16 NCT6116_REG_FAN_START_OUTPUT[] = { 869 0x117, 0x127, 0x137, 0x197, 0x1a7 }; 870static const u16 NCT6116_REG_FAN_STOP_TIME[] = { 871 0x118, 0x128, 0x138, 0x198, 0x1a8 }; 872static const u16 NCT6116_REG_TOLERANCE_H[] = { 873 0x112, 0x122, 0x132, 0x192, 0x1a2 }; 874 875static const u16 NCT6116_REG_TARGET[] = { 876 0x111, 0x121, 0x131, 0x191, 0x1a1 }; 877 878static const u16 NCT6116_REG_AUTO_TEMP[] = { 879 0x160, 0x170, 0x180, 0x1d0, 0x1e0 }; 880static const u16 NCT6116_REG_AUTO_PWM[] = { 881 0x164, 0x174, 0x184, 0x1d4, 0x1e4 }; 882 883static const s8 NCT6116_ALARM_BITS[NUM_ALARM_BITS] = { 884 0, 1, 2, 3, 4, 5, 7, 8, 9, -1, -1, -1, /* in0-in11 */ 885 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* in12-in23 */ 886 32, 33, 34, 35, 36, -1, -1, -1, -1, -1, -1, -1, /* fan1-fan12 */ 887 16, 17, 18, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* temp1-temp12 */ 888 48, -1, /* intr0-intr1 */ 889}; 890 891static const s8 NCT6116_BEEP_BITS[NUM_BEEP_BITS] = { 892 0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, /* in0-in11 */ 893 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* in12-in23 */ 894 24, 25, 26, 27, 28, -1, -1, -1, -1, -1, -1, -1, /* fan1-fan12 */ 895 16, 17, 18, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* temp1-temp12 */ 896 34, -1, 32 /* intr0-intr1, beep_en */ 897}; 898 899static const u16 NCT6116_REG_TSI_TEMP[] = { 0x59, 0x5b }; 900 901static enum pwm_enable reg_to_pwm_enable(int pwm, int mode) 902{ 903 if (mode == 0 && pwm == 255) 904 return off; 905 return mode + 1; 906} 907 908static int pwm_enable_to_reg(enum pwm_enable mode) 909{ 910 if (mode == off) 911 return 0; 912 return mode - 1; 913} 914 915/* 916 * Conversions 917 */ 918 919/* 1 is DC mode, output in ms */ 920static unsigned int step_time_from_reg(u8 reg, u8 mode) 921{ 922 return mode ? 400 * reg : 100 * reg; 923} 924 925static u8 step_time_to_reg(unsigned int msec, u8 mode) 926{ 927 return clamp_val((mode ? (msec + 200) / 400 : 928 (msec + 50) / 100), 1, 255); 929} 930 931static unsigned int fan_from_reg8(u16 reg, unsigned int divreg) 932{ 933 if (reg == 0 || reg == 255) 934 return 0; 935 return 1350000U / (reg << divreg); 936} 937 938static unsigned int fan_from_reg13(u16 reg, unsigned int divreg) 939{ 940 if ((reg & 0xff1f) == 0xff1f) 941 return 0; 942 943 reg = (reg & 0x1f) | ((reg & 0xff00) >> 3); 944 945 if (reg == 0) 946 return 0; 947 948 return 1350000U / reg; 949} 950 951static unsigned int fan_from_reg16(u16 reg, unsigned int divreg) 952{ 953 if (reg == 0 || reg == 0xffff) 954 return 0; 955 956 /* 957 * Even though the registers are 16 bit wide, the fan divisor 958 * still applies. 959 */ 960 return 1350000U / (reg << divreg); 961} 962 963static unsigned int fan_from_reg_rpm(u16 reg, unsigned int divreg) 964{ 965 return reg; 966} 967 968static u16 fan_to_reg(u32 fan, unsigned int divreg) 969{ 970 if (!fan) 971 return 0; 972 973 return (1350000U / fan) >> divreg; 974} 975 976static inline unsigned int 977div_from_reg(u8 reg) 978{ 979 return BIT(reg); 980} 981 982/* 983 * Some of the voltage inputs have internal scaling, the tables below 984 * contain 8 (the ADC LSB in mV) * scaling factor * 100 985 */ 986static const u16 scale_in[15] = { 987 800, 800, 1600, 1600, 800, 800, 800, 1600, 1600, 800, 800, 800, 800, 988 800, 800 989}; 990 991/* 992 * NCT6798 scaling: 993 * CPUVC, IN1, AVSB, 3VCC, IN0, IN8, IN4, 3VSB, VBAT, VTT, IN5, IN6, IN2, 994 * IN3, IN7, IN9, VHIF, IN10 995 * 15-17 for NCT6799 only 996 */ 997static const u16 scale_in_6798[NUM_IN] = { 998 800, 800, 1600, 1600, 800, 800, 800, 1600, 1600, 1600, 1600, 1600, 800, 999 800, 800, 800, 1600, 800 1000}; 1001 1002static inline long in_from_reg(u8 reg, u8 nr, const u16 *scales) 1003{ 1004 return DIV_ROUND_CLOSEST(reg * scales[nr], 100); 1005} 1006 1007static inline u8 in_to_reg(u32 val, u8 nr, const u16 *scales) 1008{ 1009 return clamp_val(DIV_ROUND_CLOSEST(val * 100, scales[nr]), 0, 255); 1010} 1011 1012/* TSI temperatures are in 8.3 format */ 1013static inline unsigned int tsi_temp_from_reg(unsigned int reg) 1014{ 1015 return (reg >> 5) * 125; 1016} 1017 1018/* 1019 * Data structures and manipulation thereof 1020 */ 1021 1022struct sensor_device_template { 1023 struct device_attribute dev_attr; 1024 union { 1025 struct { 1026 u8 nr; 1027 u8 index; 1028 } s; 1029 int index; 1030 } u; 1031 bool s2; /* true if both index and nr are used */ 1032}; 1033 1034struct sensor_device_attr_u { 1035 union { 1036 struct sensor_device_attribute a1; 1037 struct sensor_device_attribute_2 a2; 1038 } u; 1039 char name[32]; 1040}; 1041 1042#define __TEMPLATE_ATTR(_template, _mode, _show, _store) { \ 1043 .attr = {.name = _template, .mode = _mode }, \ 1044 .show = _show, \ 1045 .store = _store, \ 1046} 1047 1048#define SENSOR_DEVICE_TEMPLATE(_template, _mode, _show, _store, _index) \ 1049 { .dev_attr = __TEMPLATE_ATTR(_template, _mode, _show, _store), \ 1050 .u.index = _index, \ 1051 .s2 = false } 1052 1053#define SENSOR_DEVICE_TEMPLATE_2(_template, _mode, _show, _store, \ 1054 _nr, _index) \ 1055 { .dev_attr = __TEMPLATE_ATTR(_template, _mode, _show, _store), \ 1056 .u.s.index = _index, \ 1057 .u.s.nr = _nr, \ 1058 .s2 = true } 1059 1060#define SENSOR_TEMPLATE(_name, _template, _mode, _show, _store, _index) \ 1061static struct sensor_device_template sensor_dev_template_##_name \ 1062 = SENSOR_DEVICE_TEMPLATE(_template, _mode, _show, _store, \ 1063 _index) 1064 1065#define SENSOR_TEMPLATE_2(_name, _template, _mode, _show, _store, \ 1066 _nr, _index) \ 1067static struct sensor_device_template sensor_dev_template_##_name \ 1068 = SENSOR_DEVICE_TEMPLATE_2(_template, _mode, _show, _store, \ 1069 _nr, _index) 1070 1071struct sensor_template_group { 1072 struct sensor_device_template **templates; 1073 umode_t (*is_visible)(struct kobject *, struct attribute *, int); 1074 int base; 1075}; 1076 1077static int nct6775_add_template_attr_group(struct device *dev, struct nct6775_data *data, 1078 const struct sensor_template_group *tg, int repeat) 1079{ 1080 struct attribute_group *group; 1081 struct sensor_device_attr_u *su; 1082 struct sensor_device_attribute *a; 1083 struct sensor_device_attribute_2 *a2; 1084 struct attribute **attrs; 1085 struct sensor_device_template **t; 1086 int i, count; 1087 1088 if (repeat <= 0) 1089 return -EINVAL; 1090 1091 t = tg->templates; 1092 for (count = 0; *t; t++, count++) 1093 ; 1094 1095 if (count == 0) 1096 return -EINVAL; 1097 1098 group = devm_kzalloc(dev, sizeof(*group), GFP_KERNEL); 1099 if (group == NULL) 1100 return -ENOMEM; 1101 1102 attrs = devm_kcalloc(dev, repeat * count + 1, sizeof(*attrs), 1103 GFP_KERNEL); 1104 if (attrs == NULL) 1105 return -ENOMEM; 1106 1107 su = devm_kzalloc(dev, array3_size(repeat, count, sizeof(*su)), 1108 GFP_KERNEL); 1109 if (su == NULL) 1110 return -ENOMEM; 1111 1112 group->attrs = attrs; 1113 group->is_visible = tg->is_visible; 1114 1115 for (i = 0; i < repeat; i++) { 1116 t = tg->templates; 1117 while (*t != NULL) { 1118 snprintf(su->name, sizeof(su->name), 1119 (*t)->dev_attr.attr.name, tg->base + i); 1120 if ((*t)->s2) { 1121 a2 = &su->u.a2; 1122 sysfs_attr_init(&a2->dev_attr.attr); 1123 a2->dev_attr.attr.name = su->name; 1124 a2->nr = (*t)->u.s.nr + i; 1125 a2->index = (*t)->u.s.index; 1126 a2->dev_attr.attr.mode = 1127 (*t)->dev_attr.attr.mode; 1128 a2->dev_attr.show = (*t)->dev_attr.show; 1129 a2->dev_attr.store = (*t)->dev_attr.store; 1130 *attrs = &a2->dev_attr.attr; 1131 } else { 1132 a = &su->u.a1; 1133 sysfs_attr_init(&a->dev_attr.attr); 1134 a->dev_attr.attr.name = su->name; 1135 a->index = (*t)->u.index + i; 1136 a->dev_attr.attr.mode = 1137 (*t)->dev_attr.attr.mode; 1138 a->dev_attr.show = (*t)->dev_attr.show; 1139 a->dev_attr.store = (*t)->dev_attr.store; 1140 *attrs = &a->dev_attr.attr; 1141 } 1142 attrs++; 1143 su++; 1144 t++; 1145 } 1146 } 1147 1148 return nct6775_add_attr_group(data, group); 1149} 1150 1151bool nct6775_reg_is_word_sized(struct nct6775_data *data, u16 reg) 1152{ 1153 switch (data->kind) { 1154 case nct6106: 1155 return reg == 0x20 || reg == 0x22 || reg == 0x24 || 1156 (reg >= 0x59 && reg < 0x69 && (reg & 1)) || 1157 reg == 0xe0 || reg == 0xe2 || reg == 0xe4 || 1158 reg == 0x111 || reg == 0x121 || reg == 0x131; 1159 case nct6116: 1160 return reg == 0x20 || reg == 0x22 || reg == 0x24 || 1161 reg == 0x26 || reg == 0x28 || reg == 0x59 || reg == 0x5b || 1162 reg == 0xe0 || reg == 0xe2 || reg == 0xe4 || reg == 0xe6 || 1163 reg == 0xe8 || reg == 0x111 || reg == 0x121 || reg == 0x131 || 1164 reg == 0x191 || reg == 0x1a1; 1165 case nct6775: 1166 return (((reg & 0xff00) == 0x100 || 1167 (reg & 0xff00) == 0x200) && 1168 ((reg & 0x00ff) == 0x50 || 1169 (reg & 0x00ff) == 0x53 || 1170 (reg & 0x00ff) == 0x55)) || 1171 (reg & 0xfff0) == 0x630 || 1172 reg == 0x640 || reg == 0x642 || 1173 reg == 0x662 || reg == 0x669 || 1174 ((reg & 0xfff0) == 0x650 && (reg & 0x000f) >= 0x06) || 1175 reg == 0x73 || reg == 0x75 || reg == 0x77; 1176 case nct6776: 1177 return (((reg & 0xff00) == 0x100 || 1178 (reg & 0xff00) == 0x200) && 1179 ((reg & 0x00ff) == 0x50 || 1180 (reg & 0x00ff) == 0x53 || 1181 (reg & 0x00ff) == 0x55)) || 1182 (reg & 0xfff0) == 0x630 || 1183 reg == 0x402 || 1184 (reg >= 0x409 && reg < 0x419 && (reg & 1)) || 1185 reg == 0x640 || reg == 0x642 || 1186 ((reg & 0xfff0) == 0x650 && (reg & 0x000f) >= 0x06) || 1187 reg == 0x73 || reg == 0x75 || reg == 0x77; 1188 case nct6779: 1189 case nct6791: 1190 case nct6792: 1191 case nct6793: 1192 case nct6795: 1193 case nct6796: 1194 case nct6797: 1195 case nct6798: 1196 case nct6799: 1197 return reg == 0x150 || reg == 0x153 || reg == 0x155 || 1198 (reg & 0xfff0) == 0x4c0 || 1199 reg == 0x402 || 1200 (reg >= 0x409 && reg < 0x419 && (reg & 1)) || 1201 reg == 0x63a || reg == 0x63c || reg == 0x63e || 1202 reg == 0x640 || reg == 0x642 || reg == 0x64a || 1203 reg == 0x64c || 1204 reg == 0x73 || reg == 0x75 || reg == 0x77 || reg == 0x79 || 1205 reg == 0x7b || reg == 0x7d; 1206 } 1207 return false; 1208} 1209EXPORT_SYMBOL_GPL(nct6775_reg_is_word_sized); 1210 1211/* We left-align 8-bit temperature values to make the code simpler */ 1212static int nct6775_read_temp(struct nct6775_data *data, u16 reg, u16 *val) 1213{ 1214 int err; 1215 1216 err = nct6775_read_value(data, reg, val); 1217 if (err) 1218 return err; 1219 1220 if (!nct6775_reg_is_word_sized(data, reg)) 1221 *val <<= 8; 1222 1223 return 0; 1224} 1225 1226/* This function assumes that the caller holds data->update_lock */ 1227static int nct6775_write_fan_div(struct nct6775_data *data, int nr) 1228{ 1229 u16 reg; 1230 int err; 1231 u16 fandiv_reg = nr < 2 ? NCT6775_REG_FANDIV1 : NCT6775_REG_FANDIV2; 1232 unsigned int oddshift = (nr & 1) * 4; /* masks shift by four if nr is odd */ 1233 1234 err = nct6775_read_value(data, fandiv_reg, ®); 1235 if (err) 1236 return err; 1237 reg &= 0x70 >> oddshift; 1238 reg |= (data->fan_div[nr] & 0x7) << oddshift; 1239 return nct6775_write_value(data, fandiv_reg, reg); 1240} 1241 1242static int nct6775_write_fan_div_common(struct nct6775_data *data, int nr) 1243{ 1244 if (data->kind == nct6775) 1245 return nct6775_write_fan_div(data, nr); 1246 return 0; 1247} 1248 1249static int nct6775_update_fan_div(struct nct6775_data *data) 1250{ 1251 int err; 1252 u16 i; 1253 1254 err = nct6775_read_value(data, NCT6775_REG_FANDIV1, &i); 1255 if (err) 1256 return err; 1257 data->fan_div[0] = i & 0x7; 1258 data->fan_div[1] = (i & 0x70) >> 4; 1259 err = nct6775_read_value(data, NCT6775_REG_FANDIV2, &i); 1260 if (err) 1261 return err; 1262 data->fan_div[2] = i & 0x7; 1263 if (data->has_fan & BIT(3)) 1264 data->fan_div[3] = (i & 0x70) >> 4; 1265 1266 return 0; 1267} 1268 1269static int nct6775_update_fan_div_common(struct nct6775_data *data) 1270{ 1271 if (data->kind == nct6775) 1272 return nct6775_update_fan_div(data); 1273 return 0; 1274} 1275 1276static int nct6775_init_fan_div(struct nct6775_data *data) 1277{ 1278 int i, err; 1279 1280 err = nct6775_update_fan_div_common(data); 1281 if (err) 1282 return err; 1283 1284 /* 1285 * For all fans, start with highest divider value if the divider 1286 * register is not initialized. This ensures that we get a 1287 * reading from the fan count register, even if it is not optimal. 1288 * We'll compute a better divider later on. 1289 */ 1290 for (i = 0; i < ARRAY_SIZE(data->fan_div); i++) { 1291 if (!(data->has_fan & BIT(i))) 1292 continue; 1293 if (data->fan_div[i] == 0) { 1294 data->fan_div[i] = 7; 1295 err = nct6775_write_fan_div_common(data, i); 1296 if (err) 1297 return err; 1298 } 1299 } 1300 1301 return 0; 1302} 1303 1304static int nct6775_init_fan_common(struct device *dev, 1305 struct nct6775_data *data) 1306{ 1307 int i, err; 1308 u16 reg; 1309 1310 if (data->has_fan_div) { 1311 err = nct6775_init_fan_div(data); 1312 if (err) 1313 return err; 1314 } 1315 1316 /* 1317 * If fan_min is not set (0), set it to 0xff to disable it. This 1318 * prevents the unnecessary warning when fanX_min is reported as 0. 1319 */ 1320 for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) { 1321 if (data->has_fan_min & BIT(i)) { 1322 err = nct6775_read_value(data, data->REG_FAN_MIN[i], ®); 1323 if (err) 1324 return err; 1325 if (!reg) { 1326 err = nct6775_write_value(data, data->REG_FAN_MIN[i], 1327 data->has_fan_div ? 0xff : 0xff1f); 1328 if (err) 1329 return err; 1330 } 1331 } 1332 } 1333 1334 return 0; 1335} 1336 1337static int nct6775_select_fan_div(struct device *dev, 1338 struct nct6775_data *data, int nr, u16 reg) 1339{ 1340 int err; 1341 u8 fan_div = data->fan_div[nr]; 1342 u16 fan_min; 1343 1344 if (!data->has_fan_div) 1345 return 0; 1346 1347 /* 1348 * If we failed to measure the fan speed, or the reported value is not 1349 * in the optimal range, and the clock divider can be modified, 1350 * let's try that for next time. 1351 */ 1352 if (reg == 0x00 && fan_div < 0x07) 1353 fan_div++; 1354 else if (reg != 0x00 && reg < 0x30 && fan_div > 0) 1355 fan_div--; 1356 1357 if (fan_div != data->fan_div[nr]) { 1358 dev_dbg(dev, "Modifying fan%d clock divider from %u to %u\n", 1359 nr + 1, div_from_reg(data->fan_div[nr]), 1360 div_from_reg(fan_div)); 1361 1362 /* Preserve min limit if possible */ 1363 if (data->has_fan_min & BIT(nr)) { 1364 fan_min = data->fan_min[nr]; 1365 if (fan_div > data->fan_div[nr]) { 1366 if (fan_min != 255 && fan_min > 1) 1367 fan_min >>= 1; 1368 } else { 1369 if (fan_min != 255) { 1370 fan_min <<= 1; 1371 if (fan_min > 254) 1372 fan_min = 254; 1373 } 1374 } 1375 if (fan_min != data->fan_min[nr]) { 1376 data->fan_min[nr] = fan_min; 1377 err = nct6775_write_value(data, data->REG_FAN_MIN[nr], fan_min); 1378 if (err) 1379 return err; 1380 } 1381 } 1382 data->fan_div[nr] = fan_div; 1383 err = nct6775_write_fan_div_common(data, nr); 1384 if (err) 1385 return err; 1386 } 1387 1388 return 0; 1389} 1390 1391static int nct6775_update_pwm(struct device *dev) 1392{ 1393 struct nct6775_data *data = dev_get_drvdata(dev); 1394 int i, j, err; 1395 u16 fanmodecfg, reg; 1396 bool duty_is_dc; 1397 1398 for (i = 0; i < data->pwm_num; i++) { 1399 if (!(data->has_pwm & BIT(i))) 1400 continue; 1401 1402 err = nct6775_read_value(data, data->REG_PWM_MODE[i], ®); 1403 if (err) 1404 return err; 1405 duty_is_dc = data->REG_PWM_MODE[i] && (reg & data->PWM_MODE_MASK[i]); 1406 data->pwm_mode[i] = !duty_is_dc; 1407 1408 err = nct6775_read_value(data, data->REG_FAN_MODE[i], &fanmodecfg); 1409 if (err) 1410 return err; 1411 for (j = 0; j < ARRAY_SIZE(data->REG_PWM); j++) { 1412 if (data->REG_PWM[j] && data->REG_PWM[j][i]) { 1413 err = nct6775_read_value(data, data->REG_PWM[j][i], ®); 1414 if (err) 1415 return err; 1416 data->pwm[j][i] = reg; 1417 } 1418 } 1419 1420 data->pwm_enable[i] = reg_to_pwm_enable(data->pwm[0][i], 1421 (fanmodecfg >> 4) & 7); 1422 1423 if (!data->temp_tolerance[0][i] || 1424 data->pwm_enable[i] != speed_cruise) 1425 data->temp_tolerance[0][i] = fanmodecfg & 0x0f; 1426 if (!data->target_speed_tolerance[i] || 1427 data->pwm_enable[i] == speed_cruise) { 1428 u8 t = fanmodecfg & 0x0f; 1429 1430 if (data->REG_TOLERANCE_H) { 1431 err = nct6775_read_value(data, data->REG_TOLERANCE_H[i], ®); 1432 if (err) 1433 return err; 1434 t |= (reg & 0x70) >> 1; 1435 } 1436 data->target_speed_tolerance[i] = t; 1437 } 1438 1439 err = nct6775_read_value(data, data->REG_CRITICAL_TEMP_TOLERANCE[i], ®); 1440 if (err) 1441 return err; 1442 data->temp_tolerance[1][i] = reg; 1443 1444 err = nct6775_read_value(data, data->REG_TEMP_SEL[i], ®); 1445 if (err) 1446 return err; 1447 data->pwm_temp_sel[i] = reg & 0x1f; 1448 /* If fan can stop, report floor as 0 */ 1449 if (reg & 0x80) 1450 data->pwm[2][i] = 0; 1451 1452 if (!data->REG_WEIGHT_TEMP_SEL[i]) 1453 continue; 1454 1455 err = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[i], ®); 1456 if (err) 1457 return err; 1458 data->pwm_weight_temp_sel[i] = reg & 0x1f; 1459 /* If weight is disabled, report weight source as 0 */ 1460 if (!(reg & 0x80)) 1461 data->pwm_weight_temp_sel[i] = 0; 1462 1463 /* Weight temp data */ 1464 for (j = 0; j < ARRAY_SIZE(data->weight_temp); j++) { 1465 err = nct6775_read_value(data, data->REG_WEIGHT_TEMP[j][i], ®); 1466 if (err) 1467 return err; 1468 data->weight_temp[j][i] = reg; 1469 } 1470 } 1471 1472 return 0; 1473} 1474 1475static int nct6775_update_pwm_limits(struct device *dev) 1476{ 1477 struct nct6775_data *data = dev_get_drvdata(dev); 1478 int i, j, err; 1479 u16 reg, reg_t; 1480 1481 for (i = 0; i < data->pwm_num; i++) { 1482 if (!(data->has_pwm & BIT(i))) 1483 continue; 1484 1485 for (j = 0; j < ARRAY_SIZE(data->fan_time); j++) { 1486 err = nct6775_read_value(data, data->REG_FAN_TIME[j][i], ®); 1487 if (err) 1488 return err; 1489 data->fan_time[j][i] = reg; 1490 } 1491 1492 err = nct6775_read_value(data, data->REG_TARGET[i], ®_t); 1493 if (err) 1494 return err; 1495 1496 /* Update only in matching mode or if never updated */ 1497 if (!data->target_temp[i] || 1498 data->pwm_enable[i] == thermal_cruise) 1499 data->target_temp[i] = reg_t & data->target_temp_mask; 1500 if (!data->target_speed[i] || 1501 data->pwm_enable[i] == speed_cruise) { 1502 if (data->REG_TOLERANCE_H) { 1503 err = nct6775_read_value(data, data->REG_TOLERANCE_H[i], ®); 1504 if (err) 1505 return err; 1506 reg_t |= (reg & 0x0f) << 8; 1507 } 1508 data->target_speed[i] = reg_t; 1509 } 1510 1511 for (j = 0; j < data->auto_pwm_num; j++) { 1512 err = nct6775_read_value(data, NCT6775_AUTO_PWM(data, i, j), ®); 1513 if (err) 1514 return err; 1515 data->auto_pwm[i][j] = reg; 1516 1517 err = nct6775_read_value(data, NCT6775_AUTO_TEMP(data, i, j), ®); 1518 if (err) 1519 return err; 1520 data->auto_temp[i][j] = reg; 1521 } 1522 1523 /* critical auto_pwm temperature data */ 1524 err = nct6775_read_value(data, data->REG_CRITICAL_TEMP[i], ®); 1525 if (err) 1526 return err; 1527 data->auto_temp[i][data->auto_pwm_num] = reg; 1528 1529 switch (data->kind) { 1530 case nct6775: 1531 err = nct6775_read_value(data, NCT6775_REG_CRITICAL_ENAB[i], ®); 1532 if (err) 1533 return err; 1534 data->auto_pwm[i][data->auto_pwm_num] = 1535 (reg & 0x02) ? 0xff : 0x00; 1536 break; 1537 case nct6776: 1538 data->auto_pwm[i][data->auto_pwm_num] = 0xff; 1539 break; 1540 case nct6106: 1541 case nct6116: 1542 case nct6779: 1543 case nct6791: 1544 case nct6792: 1545 case nct6793: 1546 case nct6795: 1547 case nct6796: 1548 case nct6797: 1549 case nct6798: 1550 case nct6799: 1551 err = nct6775_read_value(data, data->REG_CRITICAL_PWM_ENABLE[i], ®); 1552 if (err) 1553 return err; 1554 if (reg & data->CRITICAL_PWM_ENABLE_MASK) { 1555 err = nct6775_read_value(data, data->REG_CRITICAL_PWM[i], ®); 1556 if (err) 1557 return err; 1558 } else { 1559 reg = 0xff; 1560 } 1561 data->auto_pwm[i][data->auto_pwm_num] = reg; 1562 break; 1563 } 1564 } 1565 1566 return 0; 1567} 1568 1569struct nct6775_data *nct6775_update_device(struct device *dev) 1570{ 1571 struct nct6775_data *data = dev_get_drvdata(dev); 1572 int i, j, err = 0; 1573 u16 reg; 1574 1575 mutex_lock(&data->update_lock); 1576 1577 if (time_after(jiffies, data->last_updated + HZ + HZ / 2) 1578 || !data->valid) { 1579 /* Fan clock dividers */ 1580 err = nct6775_update_fan_div_common(data); 1581 if (err) 1582 goto out; 1583 1584 /* Measured voltages and limits */ 1585 for (i = 0; i < data->in_num; i++) { 1586 if (!(data->have_in & BIT(i))) 1587 continue; 1588 1589 err = nct6775_read_value(data, data->REG_VIN[i], ®); 1590 if (err) 1591 goto out; 1592 data->in[i][0] = reg; 1593 1594 err = nct6775_read_value(data, data->REG_IN_MINMAX[0][i], ®); 1595 if (err) 1596 goto out; 1597 data->in[i][1] = reg; 1598 1599 err = nct6775_read_value(data, data->REG_IN_MINMAX[1][i], ®); 1600 if (err) 1601 goto out; 1602 data->in[i][2] = reg; 1603 } 1604 1605 /* Measured fan speeds and limits */ 1606 for (i = 0; i < ARRAY_SIZE(data->rpm); i++) { 1607 if (!(data->has_fan & BIT(i))) 1608 continue; 1609 1610 err = nct6775_read_value(data, data->REG_FAN[i], ®); 1611 if (err) 1612 goto out; 1613 data->rpm[i] = data->fan_from_reg(reg, 1614 data->fan_div[i]); 1615 1616 if (data->has_fan_min & BIT(i)) { 1617 u16 tmp; 1618 1619 err = nct6775_read_value(data, data->REG_FAN_MIN[i], &tmp); 1620 if (err) 1621 goto out; 1622 data->fan_min[i] = tmp; 1623 } 1624 1625 if (data->REG_FAN_PULSES[i]) { 1626 u16 tmp; 1627 1628 err = nct6775_read_value(data, data->REG_FAN_PULSES[i], &tmp); 1629 if (err) 1630 goto out; 1631 data->fan_pulses[i] = (tmp >> data->FAN_PULSE_SHIFT[i]) & 0x03; 1632 } 1633 1634 err = nct6775_select_fan_div(dev, data, i, reg); 1635 if (err) 1636 goto out; 1637 } 1638 1639 err = nct6775_update_pwm(dev); 1640 if (err) 1641 goto out; 1642 1643 err = nct6775_update_pwm_limits(dev); 1644 if (err) 1645 goto out; 1646 1647 /* Measured temperatures and limits */ 1648 for (i = 0; i < NUM_TEMP; i++) { 1649 if (!(data->have_temp & BIT(i))) 1650 continue; 1651 for (j = 0; j < ARRAY_SIZE(data->reg_temp); j++) { 1652 if (data->reg_temp[j][i]) { 1653 err = nct6775_read_temp(data, data->reg_temp[j][i], ®); 1654 if (err) 1655 goto out; 1656 data->temp[j][i] = reg; 1657 } 1658 } 1659 if (i >= NUM_TEMP_FIXED || 1660 !(data->have_temp_fixed & BIT(i))) 1661 continue; 1662 err = nct6775_read_value(data, data->REG_TEMP_OFFSET[i], ®); 1663 if (err) 1664 goto out; 1665 data->temp_offset[i] = reg; 1666 } 1667 1668 for (i = 0; i < NUM_TSI_TEMP; i++) { 1669 if (!(data->have_tsi_temp & BIT(i))) 1670 continue; 1671 err = nct6775_read_value(data, data->REG_TSI_TEMP[i], ®); 1672 if (err) 1673 goto out; 1674 data->tsi_temp[i] = reg; 1675 } 1676 1677 data->alarms = 0; 1678 for (i = 0; i < NUM_REG_ALARM; i++) { 1679 u16 alarm; 1680 1681 if (!data->REG_ALARM[i]) 1682 continue; 1683 err = nct6775_read_value(data, data->REG_ALARM[i], &alarm); 1684 if (err) 1685 goto out; 1686 data->alarms |= ((u64)alarm) << (i << 3); 1687 } 1688 1689 data->beeps = 0; 1690 for (i = 0; i < NUM_REG_BEEP; i++) { 1691 u16 beep; 1692 1693 if (!data->REG_BEEP[i]) 1694 continue; 1695 err = nct6775_read_value(data, data->REG_BEEP[i], &beep); 1696 if (err) 1697 goto out; 1698 data->beeps |= ((u64)beep) << (i << 3); 1699 } 1700 1701 data->last_updated = jiffies; 1702 data->valid = true; 1703 } 1704out: 1705 mutex_unlock(&data->update_lock); 1706 return err ? ERR_PTR(err) : data; 1707} 1708EXPORT_SYMBOL_GPL(nct6775_update_device); 1709 1710/* 1711 * Sysfs callback functions 1712 */ 1713static ssize_t 1714show_in_reg(struct device *dev, struct device_attribute *attr, char *buf) 1715{ 1716 struct nct6775_data *data = nct6775_update_device(dev); 1717 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 1718 int index = sattr->index; 1719 int nr = sattr->nr; 1720 1721 if (IS_ERR(data)) 1722 return PTR_ERR(data); 1723 1724 return sprintf(buf, "%ld\n", 1725 in_from_reg(data->in[nr][index], nr, data->scale_in)); 1726} 1727 1728static ssize_t 1729store_in_reg(struct device *dev, struct device_attribute *attr, const char *buf, 1730 size_t count) 1731{ 1732 struct nct6775_data *data = dev_get_drvdata(dev); 1733 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 1734 int index = sattr->index; 1735 int nr = sattr->nr; 1736 unsigned long val; 1737 int err; 1738 1739 err = kstrtoul(buf, 10, &val); 1740 if (err < 0) 1741 return err; 1742 mutex_lock(&data->update_lock); 1743 data->in[nr][index] = in_to_reg(val, nr, data->scale_in); 1744 err = nct6775_write_value(data, data->REG_IN_MINMAX[index - 1][nr], data->in[nr][index]); 1745 mutex_unlock(&data->update_lock); 1746 return err ? : count; 1747} 1748 1749ssize_t 1750nct6775_show_alarm(struct device *dev, struct device_attribute *attr, char *buf) 1751{ 1752 struct nct6775_data *data = nct6775_update_device(dev); 1753 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 1754 int nr; 1755 1756 if (IS_ERR(data)) 1757 return PTR_ERR(data); 1758 1759 nr = data->ALARM_BITS[sattr->index]; 1760 return sprintf(buf, "%u\n", 1761 (unsigned int)((data->alarms >> nr) & 0x01)); 1762} 1763EXPORT_SYMBOL_GPL(nct6775_show_alarm); 1764 1765static int find_temp_source(struct nct6775_data *data, int index, int count) 1766{ 1767 int source = data->temp_src[index]; 1768 int nr, err; 1769 1770 for (nr = 0; nr < count; nr++) { 1771 u16 src; 1772 1773 err = nct6775_read_value(data, data->REG_TEMP_SOURCE[nr], &src); 1774 if (err) 1775 return err; 1776 if ((src & 0x1f) == source) 1777 return nr; 1778 } 1779 return -ENODEV; 1780} 1781 1782static ssize_t 1783show_temp_alarm(struct device *dev, struct device_attribute *attr, char *buf) 1784{ 1785 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 1786 struct nct6775_data *data = nct6775_update_device(dev); 1787 unsigned int alarm = 0; 1788 int nr; 1789 1790 if (IS_ERR(data)) 1791 return PTR_ERR(data); 1792 1793 /* 1794 * For temperatures, there is no fixed mapping from registers to alarm 1795 * bits. Alarm bits are determined by the temperature source mapping. 1796 */ 1797 nr = find_temp_source(data, sattr->index, data->num_temp_alarms); 1798 if (nr >= 0) { 1799 int bit = data->ALARM_BITS[nr + TEMP_ALARM_BASE]; 1800 1801 alarm = (data->alarms >> bit) & 0x01; 1802 } 1803 return sprintf(buf, "%u\n", alarm); 1804} 1805 1806ssize_t 1807nct6775_show_beep(struct device *dev, struct device_attribute *attr, char *buf) 1808{ 1809 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 1810 struct nct6775_data *data = nct6775_update_device(dev); 1811 int nr; 1812 1813 if (IS_ERR(data)) 1814 return PTR_ERR(data); 1815 1816 nr = data->BEEP_BITS[sattr->index]; 1817 1818 return sprintf(buf, "%u\n", 1819 (unsigned int)((data->beeps >> nr) & 0x01)); 1820} 1821EXPORT_SYMBOL_GPL(nct6775_show_beep); 1822 1823ssize_t 1824nct6775_store_beep(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) 1825{ 1826 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 1827 struct nct6775_data *data = dev_get_drvdata(dev); 1828 int nr = data->BEEP_BITS[sattr->index]; 1829 int regindex = nr >> 3; 1830 unsigned long val; 1831 int err; 1832 1833 err = kstrtoul(buf, 10, &val); 1834 if (err < 0) 1835 return err; 1836 if (val > 1) 1837 return -EINVAL; 1838 1839 mutex_lock(&data->update_lock); 1840 if (val) 1841 data->beeps |= (1ULL << nr); 1842 else 1843 data->beeps &= ~(1ULL << nr); 1844 err = nct6775_write_value(data, data->REG_BEEP[regindex], 1845 (data->beeps >> (regindex << 3)) & 0xff); 1846 mutex_unlock(&data->update_lock); 1847 return err ? : count; 1848} 1849EXPORT_SYMBOL_GPL(nct6775_store_beep); 1850 1851static ssize_t 1852show_temp_beep(struct device *dev, struct device_attribute *attr, char *buf) 1853{ 1854 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 1855 struct nct6775_data *data = nct6775_update_device(dev); 1856 unsigned int beep = 0; 1857 int nr; 1858 1859 if (IS_ERR(data)) 1860 return PTR_ERR(data); 1861 1862 /* 1863 * For temperatures, there is no fixed mapping from registers to beep 1864 * enable bits. Beep enable bits are determined by the temperature 1865 * source mapping. 1866 */ 1867 nr = find_temp_source(data, sattr->index, data->num_temp_beeps); 1868 if (nr >= 0) { 1869 int bit = data->BEEP_BITS[nr + TEMP_ALARM_BASE]; 1870 1871 beep = (data->beeps >> bit) & 0x01; 1872 } 1873 return sprintf(buf, "%u\n", beep); 1874} 1875 1876static ssize_t 1877store_temp_beep(struct device *dev, struct device_attribute *attr, 1878 const char *buf, size_t count) 1879{ 1880 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 1881 struct nct6775_data *data = dev_get_drvdata(dev); 1882 int nr, bit, regindex; 1883 unsigned long val; 1884 int err; 1885 1886 err = kstrtoul(buf, 10, &val); 1887 if (err < 0) 1888 return err; 1889 if (val > 1) 1890 return -EINVAL; 1891 1892 nr = find_temp_source(data, sattr->index, data->num_temp_beeps); 1893 if (nr < 0) 1894 return nr; 1895 1896 bit = data->BEEP_BITS[nr + TEMP_ALARM_BASE]; 1897 regindex = bit >> 3; 1898 1899 mutex_lock(&data->update_lock); 1900 if (val) 1901 data->beeps |= (1ULL << bit); 1902 else 1903 data->beeps &= ~(1ULL << bit); 1904 err = nct6775_write_value(data, data->REG_BEEP[regindex], 1905 (data->beeps >> (regindex << 3)) & 0xff); 1906 mutex_unlock(&data->update_lock); 1907 1908 return err ? : count; 1909} 1910 1911static umode_t nct6775_in_is_visible(struct kobject *kobj, 1912 struct attribute *attr, int index) 1913{ 1914 struct device *dev = kobj_to_dev(kobj); 1915 struct nct6775_data *data = dev_get_drvdata(dev); 1916 int in = index / 5; /* voltage index */ 1917 int nr = index % 5; /* attribute index */ 1918 1919 if (nr == 1 && data->ALARM_BITS[in] == -1) 1920 return 0; 1921 1922 if (!(data->have_in & BIT(in))) 1923 return 0; 1924 1925 return nct6775_attr_mode(data, attr); 1926} 1927 1928SENSOR_TEMPLATE_2(in_input, "in%d_input", 0444, show_in_reg, NULL, 0, 0); 1929SENSOR_TEMPLATE(in_alarm, "in%d_alarm", 0444, nct6775_show_alarm, NULL, 0); 1930SENSOR_TEMPLATE(in_beep, "in%d_beep", 0644, nct6775_show_beep, nct6775_store_beep, 0); 1931SENSOR_TEMPLATE_2(in_min, "in%d_min", 0644, show_in_reg, store_in_reg, 0, 1); 1932SENSOR_TEMPLATE_2(in_max, "in%d_max", 0644, show_in_reg, store_in_reg, 0, 2); 1933 1934/* 1935 * nct6775_in_is_visible uses the index into the following array 1936 * to determine if attributes should be created or not. 1937 * Any change in order or content must be matched. 1938 */ 1939static struct sensor_device_template *nct6775_attributes_in_template[] = { 1940 &sensor_dev_template_in_input, 1941 &sensor_dev_template_in_alarm, 1942 &sensor_dev_template_in_beep, 1943 &sensor_dev_template_in_min, 1944 &sensor_dev_template_in_max, 1945 NULL 1946}; 1947 1948static const struct sensor_template_group nct6775_in_template_group = { 1949 .templates = nct6775_attributes_in_template, 1950 .is_visible = nct6775_in_is_visible, 1951}; 1952 1953static ssize_t 1954show_fan(struct device *dev, struct device_attribute *attr, char *buf) 1955{ 1956 struct nct6775_data *data = nct6775_update_device(dev); 1957 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 1958 int nr = sattr->index; 1959 1960 if (IS_ERR(data)) 1961 return PTR_ERR(data); 1962 1963 return sprintf(buf, "%d\n", data->rpm[nr]); 1964} 1965 1966static ssize_t 1967show_fan_min(struct device *dev, struct device_attribute *attr, char *buf) 1968{ 1969 struct nct6775_data *data = nct6775_update_device(dev); 1970 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 1971 int nr = sattr->index; 1972 1973 if (IS_ERR(data)) 1974 return PTR_ERR(data); 1975 1976 return sprintf(buf, "%d\n", 1977 data->fan_from_reg_min(data->fan_min[nr], 1978 data->fan_div[nr])); 1979} 1980 1981static ssize_t 1982show_fan_div(struct device *dev, struct device_attribute *attr, char *buf) 1983{ 1984 struct nct6775_data *data = nct6775_update_device(dev); 1985 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 1986 int nr = sattr->index; 1987 1988 if (IS_ERR(data)) 1989 return PTR_ERR(data); 1990 1991 return sprintf(buf, "%u\n", div_from_reg(data->fan_div[nr])); 1992} 1993 1994static ssize_t 1995store_fan_min(struct device *dev, struct device_attribute *attr, 1996 const char *buf, size_t count) 1997{ 1998 struct nct6775_data *data = dev_get_drvdata(dev); 1999 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2000 int nr = sattr->index; 2001 unsigned long val; 2002 unsigned int reg; 2003 u8 new_div; 2004 int err; 2005 2006 err = kstrtoul(buf, 10, &val); 2007 if (err < 0) 2008 return err; 2009 2010 mutex_lock(&data->update_lock); 2011 if (!data->has_fan_div) { 2012 /* NCT6776F or NCT6779D; we know this is a 13 bit register */ 2013 if (!val) { 2014 val = 0xff1f; 2015 } else { 2016 if (val > 1350000U) 2017 val = 135000U; 2018 val = 1350000U / val; 2019 val = (val & 0x1f) | ((val << 3) & 0xff00); 2020 } 2021 data->fan_min[nr] = val; 2022 goto write_min; /* Leave fan divider alone */ 2023 } 2024 if (!val) { 2025 /* No min limit, alarm disabled */ 2026 data->fan_min[nr] = 255; 2027 new_div = data->fan_div[nr]; /* No change */ 2028 dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1); 2029 goto write_div; 2030 } 2031 reg = 1350000U / val; 2032 if (reg >= 128 * 255) { 2033 /* 2034 * Speed below this value cannot possibly be represented, 2035 * even with the highest divider (128) 2036 */ 2037 data->fan_min[nr] = 254; 2038 new_div = 7; /* 128 == BIT(7) */ 2039 dev_warn(dev, 2040 "fan%u low limit %lu below minimum %u, set to minimum\n", 2041 nr + 1, val, data->fan_from_reg_min(254, 7)); 2042 } else if (!reg) { 2043 /* 2044 * Speed above this value cannot possibly be represented, 2045 * even with the lowest divider (1) 2046 */ 2047 data->fan_min[nr] = 1; 2048 new_div = 0; /* 1 == BIT(0) */ 2049 dev_warn(dev, 2050 "fan%u low limit %lu above maximum %u, set to maximum\n", 2051 nr + 1, val, data->fan_from_reg_min(1, 0)); 2052 } else { 2053 /* 2054 * Automatically pick the best divider, i.e. the one such 2055 * that the min limit will correspond to a register value 2056 * in the 96..192 range 2057 */ 2058 new_div = 0; 2059 while (reg > 192 && new_div < 7) { 2060 reg >>= 1; 2061 new_div++; 2062 } 2063 data->fan_min[nr] = reg; 2064 } 2065 2066write_div: 2067 /* 2068 * Write both the fan clock divider (if it changed) and the new 2069 * fan min (unconditionally) 2070 */ 2071 if (new_div != data->fan_div[nr]) { 2072 dev_dbg(dev, "fan%u clock divider changed from %u to %u\n", 2073 nr + 1, div_from_reg(data->fan_div[nr]), 2074 div_from_reg(new_div)); 2075 data->fan_div[nr] = new_div; 2076 err = nct6775_write_fan_div_common(data, nr); 2077 if (err) 2078 goto write_min; 2079 /* Give the chip time to sample a new speed value */ 2080 data->last_updated = jiffies; 2081 } 2082 2083write_min: 2084 err = nct6775_write_value(data, data->REG_FAN_MIN[nr], data->fan_min[nr]); 2085 mutex_unlock(&data->update_lock); 2086 2087 return err ? : count; 2088} 2089 2090static ssize_t 2091show_fan_pulses(struct device *dev, struct device_attribute *attr, char *buf) 2092{ 2093 struct nct6775_data *data = nct6775_update_device(dev); 2094 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2095 int p; 2096 2097 if (IS_ERR(data)) 2098 return PTR_ERR(data); 2099 2100 p = data->fan_pulses[sattr->index]; 2101 return sprintf(buf, "%d\n", p ? : 4); 2102} 2103 2104static ssize_t 2105store_fan_pulses(struct device *dev, struct device_attribute *attr, 2106 const char *buf, size_t count) 2107{ 2108 struct nct6775_data *data = dev_get_drvdata(dev); 2109 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2110 int nr = sattr->index; 2111 unsigned long val; 2112 int err; 2113 u16 reg; 2114 2115 err = kstrtoul(buf, 10, &val); 2116 if (err < 0) 2117 return err; 2118 2119 if (val > 4) 2120 return -EINVAL; 2121 2122 mutex_lock(&data->update_lock); 2123 data->fan_pulses[nr] = val & 3; 2124 err = nct6775_read_value(data, data->REG_FAN_PULSES[nr], ®); 2125 if (err) 2126 goto out; 2127 reg &= ~(0x03 << data->FAN_PULSE_SHIFT[nr]); 2128 reg |= (val & 3) << data->FAN_PULSE_SHIFT[nr]; 2129 err = nct6775_write_value(data, data->REG_FAN_PULSES[nr], reg); 2130out: 2131 mutex_unlock(&data->update_lock); 2132 2133 return err ? : count; 2134} 2135 2136static umode_t nct6775_fan_is_visible(struct kobject *kobj, 2137 struct attribute *attr, int index) 2138{ 2139 struct device *dev = kobj_to_dev(kobj); 2140 struct nct6775_data *data = dev_get_drvdata(dev); 2141 int fan = index / 6; /* fan index */ 2142 int nr = index % 6; /* attribute index */ 2143 2144 if (!(data->has_fan & BIT(fan))) 2145 return 0; 2146 2147 if (nr == 1 && data->ALARM_BITS[FAN_ALARM_BASE + fan] == -1) 2148 return 0; 2149 if (nr == 2 && data->BEEP_BITS[FAN_ALARM_BASE + fan] == -1) 2150 return 0; 2151 if (nr == 3 && !data->REG_FAN_PULSES[fan]) 2152 return 0; 2153 if (nr == 4 && !(data->has_fan_min & BIT(fan))) 2154 return 0; 2155 if (nr == 5 && data->kind != nct6775) 2156 return 0; 2157 2158 return nct6775_attr_mode(data, attr); 2159} 2160 2161SENSOR_TEMPLATE(fan_input, "fan%d_input", 0444, show_fan, NULL, 0); 2162SENSOR_TEMPLATE(fan_alarm, "fan%d_alarm", 0444, nct6775_show_alarm, NULL, FAN_ALARM_BASE); 2163SENSOR_TEMPLATE(fan_beep, "fan%d_beep", 0644, nct6775_show_beep, 2164 nct6775_store_beep, FAN_ALARM_BASE); 2165SENSOR_TEMPLATE(fan_pulses, "fan%d_pulses", 0644, show_fan_pulses, store_fan_pulses, 0); 2166SENSOR_TEMPLATE(fan_min, "fan%d_min", 0644, show_fan_min, store_fan_min, 0); 2167SENSOR_TEMPLATE(fan_div, "fan%d_div", 0444, show_fan_div, NULL, 0); 2168 2169/* 2170 * nct6775_fan_is_visible uses the index into the following array 2171 * to determine if attributes should be created or not. 2172 * Any change in order or content must be matched. 2173 */ 2174static struct sensor_device_template *nct6775_attributes_fan_template[] = { 2175 &sensor_dev_template_fan_input, 2176 &sensor_dev_template_fan_alarm, /* 1 */ 2177 &sensor_dev_template_fan_beep, /* 2 */ 2178 &sensor_dev_template_fan_pulses, 2179 &sensor_dev_template_fan_min, /* 4 */ 2180 &sensor_dev_template_fan_div, /* 5 */ 2181 NULL 2182}; 2183 2184static const struct sensor_template_group nct6775_fan_template_group = { 2185 .templates = nct6775_attributes_fan_template, 2186 .is_visible = nct6775_fan_is_visible, 2187 .base = 1, 2188}; 2189 2190static ssize_t 2191show_temp_label(struct device *dev, struct device_attribute *attr, char *buf) 2192{ 2193 struct nct6775_data *data = nct6775_update_device(dev); 2194 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2195 int nr = sattr->index; 2196 2197 if (IS_ERR(data)) 2198 return PTR_ERR(data); 2199 2200 return sprintf(buf, "%s\n", data->temp_label[data->temp_src[nr]]); 2201} 2202 2203static ssize_t 2204show_temp(struct device *dev, struct device_attribute *attr, char *buf) 2205{ 2206 struct nct6775_data *data = nct6775_update_device(dev); 2207 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 2208 int nr = sattr->nr; 2209 int index = sattr->index; 2210 2211 if (IS_ERR(data)) 2212 return PTR_ERR(data); 2213 2214 return sprintf(buf, "%d\n", LM75_TEMP_FROM_REG(data->temp[index][nr])); 2215} 2216 2217static ssize_t 2218store_temp(struct device *dev, struct device_attribute *attr, const char *buf, 2219 size_t count) 2220{ 2221 struct nct6775_data *data = dev_get_drvdata(dev); 2222 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 2223 int nr = sattr->nr; 2224 int index = sattr->index; 2225 int err; 2226 long val; 2227 2228 err = kstrtol(buf, 10, &val); 2229 if (err < 0) 2230 return err; 2231 2232 mutex_lock(&data->update_lock); 2233 data->temp[index][nr] = LM75_TEMP_TO_REG(val); 2234 err = nct6775_write_temp(data, data->reg_temp[index][nr], data->temp[index][nr]); 2235 mutex_unlock(&data->update_lock); 2236 return err ? : count; 2237} 2238 2239static ssize_t 2240show_temp_offset(struct device *dev, struct device_attribute *attr, char *buf) 2241{ 2242 struct nct6775_data *data = nct6775_update_device(dev); 2243 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2244 2245 if (IS_ERR(data)) 2246 return PTR_ERR(data); 2247 2248 return sprintf(buf, "%d\n", data->temp_offset[sattr->index] * 1000); 2249} 2250 2251static ssize_t 2252store_temp_offset(struct device *dev, struct device_attribute *attr, 2253 const char *buf, size_t count) 2254{ 2255 struct nct6775_data *data = dev_get_drvdata(dev); 2256 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2257 int nr = sattr->index; 2258 long val; 2259 int err; 2260 2261 err = kstrtol(buf, 10, &val); 2262 if (err < 0) 2263 return err; 2264 2265 val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); 2266 2267 mutex_lock(&data->update_lock); 2268 data->temp_offset[nr] = val; 2269 err = nct6775_write_value(data, data->REG_TEMP_OFFSET[nr], val); 2270 mutex_unlock(&data->update_lock); 2271 2272 return err ? : count; 2273} 2274 2275static ssize_t 2276show_temp_type(struct device *dev, struct device_attribute *attr, char *buf) 2277{ 2278 struct nct6775_data *data = nct6775_update_device(dev); 2279 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2280 int nr = sattr->index; 2281 2282 if (IS_ERR(data)) 2283 return PTR_ERR(data); 2284 2285 return sprintf(buf, "%d\n", (int)data->temp_type[nr]); 2286} 2287 2288static ssize_t 2289store_temp_type(struct device *dev, struct device_attribute *attr, 2290 const char *buf, size_t count) 2291{ 2292 struct nct6775_data *data = nct6775_update_device(dev); 2293 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2294 int nr = sattr->index; 2295 unsigned long val; 2296 int err; 2297 u8 vbit, dbit; 2298 u16 vbat, diode; 2299 2300 if (IS_ERR(data)) 2301 return PTR_ERR(data); 2302 2303 err = kstrtoul(buf, 10, &val); 2304 if (err < 0) 2305 return err; 2306 2307 if (val != 1 && val != 3 && val != 4) 2308 return -EINVAL; 2309 2310 mutex_lock(&data->update_lock); 2311 2312 data->temp_type[nr] = val; 2313 vbit = 0x02 << nr; 2314 dbit = data->DIODE_MASK << nr; 2315 2316 err = nct6775_read_value(data, data->REG_VBAT, &vbat); 2317 if (err) 2318 goto out; 2319 vbat &= ~vbit; 2320 2321 err = nct6775_read_value(data, data->REG_DIODE, &diode); 2322 if (err) 2323 goto out; 2324 diode &= ~dbit; 2325 2326 switch (val) { 2327 case 1: /* CPU diode (diode, current mode) */ 2328 vbat |= vbit; 2329 diode |= dbit; 2330 break; 2331 case 3: /* diode, voltage mode */ 2332 vbat |= dbit; 2333 break; 2334 case 4: /* thermistor */ 2335 break; 2336 } 2337 err = nct6775_write_value(data, data->REG_VBAT, vbat); 2338 if (err) 2339 goto out; 2340 err = nct6775_write_value(data, data->REG_DIODE, diode); 2341out: 2342 mutex_unlock(&data->update_lock); 2343 return err ? : count; 2344} 2345 2346static umode_t nct6775_temp_is_visible(struct kobject *kobj, 2347 struct attribute *attr, int index) 2348{ 2349 struct device *dev = kobj_to_dev(kobj); 2350 struct nct6775_data *data = dev_get_drvdata(dev); 2351 int temp = index / 10; /* temp index */ 2352 int nr = index % 10; /* attribute index */ 2353 2354 if (!(data->have_temp & BIT(temp))) 2355 return 0; 2356 2357 if (nr == 1 && !data->temp_label) 2358 return 0; 2359 2360 if (nr == 2 && find_temp_source(data, temp, data->num_temp_alarms) < 0) 2361 return 0; /* alarm */ 2362 2363 if (nr == 3 && find_temp_source(data, temp, data->num_temp_beeps) < 0) 2364 return 0; /* beep */ 2365 2366 if (nr == 4 && !data->reg_temp[1][temp]) /* max */ 2367 return 0; 2368 2369 if (nr == 5 && !data->reg_temp[2][temp]) /* max_hyst */ 2370 return 0; 2371 2372 if (nr == 6 && !data->reg_temp[3][temp]) /* crit */ 2373 return 0; 2374 2375 if (nr == 7 && !data->reg_temp[4][temp]) /* lcrit */ 2376 return 0; 2377 2378 /* offset and type only apply to fixed sensors */ 2379 if (nr > 7 && !(data->have_temp_fixed & BIT(temp))) 2380 return 0; 2381 2382 return nct6775_attr_mode(data, attr); 2383} 2384 2385SENSOR_TEMPLATE_2(temp_input, "temp%d_input", 0444, show_temp, NULL, 0, 0); 2386SENSOR_TEMPLATE(temp_label, "temp%d_label", 0444, show_temp_label, NULL, 0); 2387SENSOR_TEMPLATE_2(temp_max, "temp%d_max", 0644, show_temp, store_temp, 0, 1); 2388SENSOR_TEMPLATE_2(temp_max_hyst, "temp%d_max_hyst", 0644, show_temp, store_temp, 0, 2); 2389SENSOR_TEMPLATE_2(temp_crit, "temp%d_crit", 0644, show_temp, store_temp, 0, 3); 2390SENSOR_TEMPLATE_2(temp_lcrit, "temp%d_lcrit", 0644, show_temp, store_temp, 0, 4); 2391SENSOR_TEMPLATE(temp_offset, "temp%d_offset", 0644, show_temp_offset, store_temp_offset, 0); 2392SENSOR_TEMPLATE(temp_type, "temp%d_type", 0644, show_temp_type, store_temp_type, 0); 2393SENSOR_TEMPLATE(temp_alarm, "temp%d_alarm", 0444, show_temp_alarm, NULL, 0); 2394SENSOR_TEMPLATE(temp_beep, "temp%d_beep", 0644, show_temp_beep, store_temp_beep, 0); 2395 2396/* 2397 * nct6775_temp_is_visible uses the index into the following array 2398 * to determine if attributes should be created or not. 2399 * Any change in order or content must be matched. 2400 */ 2401static struct sensor_device_template *nct6775_attributes_temp_template[] = { 2402 &sensor_dev_template_temp_input, 2403 &sensor_dev_template_temp_label, 2404 &sensor_dev_template_temp_alarm, /* 2 */ 2405 &sensor_dev_template_temp_beep, /* 3 */ 2406 &sensor_dev_template_temp_max, /* 4 */ 2407 &sensor_dev_template_temp_max_hyst, /* 5 */ 2408 &sensor_dev_template_temp_crit, /* 6 */ 2409 &sensor_dev_template_temp_lcrit, /* 7 */ 2410 &sensor_dev_template_temp_offset, /* 8 */ 2411 &sensor_dev_template_temp_type, /* 9 */ 2412 NULL 2413}; 2414 2415static const struct sensor_template_group nct6775_temp_template_group = { 2416 .templates = nct6775_attributes_temp_template, 2417 .is_visible = nct6775_temp_is_visible, 2418 .base = 1, 2419}; 2420 2421static ssize_t show_tsi_temp(struct device *dev, struct device_attribute *attr, char *buf) 2422{ 2423 struct nct6775_data *data = nct6775_update_device(dev); 2424 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2425 2426 if (IS_ERR(data)) 2427 return PTR_ERR(data); 2428 2429 return sysfs_emit(buf, "%u\n", tsi_temp_from_reg(data->tsi_temp[sattr->index])); 2430} 2431 2432static ssize_t show_tsi_temp_label(struct device *dev, struct device_attribute *attr, char *buf) 2433{ 2434 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2435 2436 return sysfs_emit(buf, "TSI%d_TEMP\n", sattr->index); 2437} 2438 2439SENSOR_TEMPLATE(tsi_temp_input, "temp%d_input", 0444, show_tsi_temp, NULL, 0); 2440SENSOR_TEMPLATE(tsi_temp_label, "temp%d_label", 0444, show_tsi_temp_label, NULL, 0); 2441 2442static umode_t nct6775_tsi_temp_is_visible(struct kobject *kobj, struct attribute *attr, 2443 int index) 2444{ 2445 struct device *dev = kobj_to_dev(kobj); 2446 struct nct6775_data *data = dev_get_drvdata(dev); 2447 int temp = index / 2; 2448 2449 return (data->have_tsi_temp & BIT(temp)) ? nct6775_attr_mode(data, attr) : 0; 2450} 2451 2452/* 2453 * The index calculation in nct6775_tsi_temp_is_visible() must be kept in 2454 * sync with the size of this array. 2455 */ 2456static struct sensor_device_template *nct6775_tsi_temp_template[] = { 2457 &sensor_dev_template_tsi_temp_input, 2458 &sensor_dev_template_tsi_temp_label, 2459 NULL 2460}; 2461 2462static ssize_t 2463show_pwm_mode(struct device *dev, struct device_attribute *attr, char *buf) 2464{ 2465 struct nct6775_data *data = nct6775_update_device(dev); 2466 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2467 2468 if (IS_ERR(data)) 2469 return PTR_ERR(data); 2470 2471 return sprintf(buf, "%d\n", data->pwm_mode[sattr->index]); 2472} 2473 2474static ssize_t 2475store_pwm_mode(struct device *dev, struct device_attribute *attr, 2476 const char *buf, size_t count) 2477{ 2478 struct nct6775_data *data = dev_get_drvdata(dev); 2479 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2480 int nr = sattr->index; 2481 unsigned long val; 2482 int err; 2483 u16 reg; 2484 2485 err = kstrtoul(buf, 10, &val); 2486 if (err < 0) 2487 return err; 2488 2489 if (val > 1) 2490 return -EINVAL; 2491 2492 /* Setting DC mode (0) is not supported for all chips/channels */ 2493 if (data->REG_PWM_MODE[nr] == 0) { 2494 if (!val) 2495 return -EINVAL; 2496 return count; 2497 } 2498 2499 mutex_lock(&data->update_lock); 2500 data->pwm_mode[nr] = val; 2501 err = nct6775_read_value(data, data->REG_PWM_MODE[nr], ®); 2502 if (err) 2503 goto out; 2504 reg &= ~data->PWM_MODE_MASK[nr]; 2505 if (!val) 2506 reg |= data->PWM_MODE_MASK[nr]; 2507 err = nct6775_write_value(data, data->REG_PWM_MODE[nr], reg); 2508out: 2509 mutex_unlock(&data->update_lock); 2510 return err ? : count; 2511} 2512 2513static ssize_t 2514show_pwm(struct device *dev, struct device_attribute *attr, char *buf) 2515{ 2516 struct nct6775_data *data = nct6775_update_device(dev); 2517 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 2518 int nr = sattr->nr; 2519 int index = sattr->index; 2520 int err; 2521 u16 pwm; 2522 2523 if (IS_ERR(data)) 2524 return PTR_ERR(data); 2525 2526 /* 2527 * For automatic fan control modes, show current pwm readings. 2528 * Otherwise, show the configured value. 2529 */ 2530 if (index == 0 && data->pwm_enable[nr] > manual) { 2531 err = nct6775_read_value(data, data->REG_PWM_READ[nr], &pwm); 2532 if (err) 2533 return err; 2534 } else { 2535 pwm = data->pwm[index][nr]; 2536 } 2537 2538 return sprintf(buf, "%d\n", pwm); 2539} 2540 2541static ssize_t 2542store_pwm(struct device *dev, struct device_attribute *attr, const char *buf, 2543 size_t count) 2544{ 2545 struct nct6775_data *data = dev_get_drvdata(dev); 2546 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 2547 int nr = sattr->nr; 2548 int index = sattr->index; 2549 unsigned long val; 2550 int minval[7] = { 0, 1, 1, data->pwm[2][nr], 0, 0, 0 }; 2551 int maxval[7] 2552 = { 255, 255, data->pwm[3][nr] ? : 255, 255, 255, 255, 255 }; 2553 int err; 2554 u16 reg; 2555 2556 /* 2557 * The fan control mode should be set to manual if the user wants to adjust 2558 * the fan speed. Otherwise, it will fail to set. 2559 */ 2560 if (index == 0 && data->pwm_enable[nr] > manual) 2561 return -EBUSY; 2562 2563 err = kstrtoul(buf, 10, &val); 2564 if (err < 0) 2565 return err; 2566 val = clamp_val(val, minval[index], maxval[index]); 2567 2568 mutex_lock(&data->update_lock); 2569 data->pwm[index][nr] = val; 2570 err = nct6775_write_value(data, data->REG_PWM[index][nr], val); 2571 if (err) 2572 goto out; 2573 if (index == 2) { /* floor: disable if val == 0 */ 2574 err = nct6775_read_value(data, data->REG_TEMP_SEL[nr], ®); 2575 if (err) 2576 goto out; 2577 reg &= 0x7f; 2578 if (val) 2579 reg |= 0x80; 2580 err = nct6775_write_value(data, data->REG_TEMP_SEL[nr], reg); 2581 } 2582out: 2583 mutex_unlock(&data->update_lock); 2584 return err ? : count; 2585} 2586 2587/* Returns 0 if OK, -EINVAL otherwise */ 2588static int check_trip_points(struct nct6775_data *data, int nr) 2589{ 2590 int i; 2591 2592 for (i = 0; i < data->auto_pwm_num - 1; i++) { 2593 if (data->auto_temp[nr][i] > data->auto_temp[nr][i + 1]) 2594 return -EINVAL; 2595 } 2596 for (i = 0; i < data->auto_pwm_num - 1; i++) { 2597 if (data->auto_pwm[nr][i] > data->auto_pwm[nr][i + 1]) 2598 return -EINVAL; 2599 } 2600 /* validate critical temperature and pwm if enabled (pwm > 0) */ 2601 if (data->auto_pwm[nr][data->auto_pwm_num]) { 2602 if (data->auto_temp[nr][data->auto_pwm_num - 1] > 2603 data->auto_temp[nr][data->auto_pwm_num] || 2604 data->auto_pwm[nr][data->auto_pwm_num - 1] > 2605 data->auto_pwm[nr][data->auto_pwm_num]) 2606 return -EINVAL; 2607 } 2608 return 0; 2609} 2610 2611static int pwm_update_registers(struct nct6775_data *data, int nr) 2612{ 2613 u16 reg; 2614 int err; 2615 2616 switch (data->pwm_enable[nr]) { 2617 case off: 2618 case manual: 2619 break; 2620 case speed_cruise: 2621 err = nct6775_read_value(data, data->REG_FAN_MODE[nr], ®); 2622 if (err) 2623 return err; 2624 reg = (reg & ~data->tolerance_mask) | 2625 (data->target_speed_tolerance[nr] & data->tolerance_mask); 2626 err = nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); 2627 if (err) 2628 return err; 2629 err = nct6775_write_value(data, data->REG_TARGET[nr], 2630 data->target_speed[nr] & 0xff); 2631 if (err) 2632 return err; 2633 if (data->REG_TOLERANCE_H) { 2634 reg = (data->target_speed[nr] >> 8) & 0x0f; 2635 reg |= (data->target_speed_tolerance[nr] & 0x38) << 1; 2636 err = nct6775_write_value(data, data->REG_TOLERANCE_H[nr], reg); 2637 if (err) 2638 return err; 2639 } 2640 break; 2641 case thermal_cruise: 2642 err = nct6775_write_value(data, data->REG_TARGET[nr], data->target_temp[nr]); 2643 if (err) 2644 return err; 2645 fallthrough; 2646 default: 2647 err = nct6775_read_value(data, data->REG_FAN_MODE[nr], ®); 2648 if (err) 2649 return err; 2650 reg = (reg & ~data->tolerance_mask) | 2651 data->temp_tolerance[0][nr]; 2652 err = nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); 2653 if (err) 2654 return err; 2655 break; 2656 } 2657 2658 return 0; 2659} 2660 2661static ssize_t 2662show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf) 2663{ 2664 struct nct6775_data *data = nct6775_update_device(dev); 2665 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2666 2667 if (IS_ERR(data)) 2668 return PTR_ERR(data); 2669 2670 return sprintf(buf, "%d\n", data->pwm_enable[sattr->index]); 2671} 2672 2673static ssize_t 2674store_pwm_enable(struct device *dev, struct device_attribute *attr, 2675 const char *buf, size_t count) 2676{ 2677 struct nct6775_data *data = dev_get_drvdata(dev); 2678 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2679 int nr = sattr->index; 2680 unsigned long val; 2681 int err; 2682 u16 reg; 2683 2684 err = kstrtoul(buf, 10, &val); 2685 if (err < 0) 2686 return err; 2687 2688 if (val > sf4) 2689 return -EINVAL; 2690 2691 if (val == sf3 && data->kind != nct6775) 2692 return -EINVAL; 2693 2694 if (val == sf4 && check_trip_points(data, nr)) { 2695 dev_err(dev, "Inconsistent trip points, not switching to SmartFan IV mode\n"); 2696 dev_err(dev, "Adjust trip points and try again\n"); 2697 return -EINVAL; 2698 } 2699 2700 mutex_lock(&data->update_lock); 2701 data->pwm_enable[nr] = val; 2702 if (val == off) { 2703 /* 2704 * turn off pwm control: select manual mode, set pwm to maximum 2705 */ 2706 data->pwm[0][nr] = 255; 2707 err = nct6775_write_value(data, data->REG_PWM[0][nr], 255); 2708 if (err) 2709 goto out; 2710 } 2711 err = pwm_update_registers(data, nr); 2712 if (err) 2713 goto out; 2714 err = nct6775_read_value(data, data->REG_FAN_MODE[nr], ®); 2715 if (err) 2716 goto out; 2717 reg &= 0x0f; 2718 reg |= pwm_enable_to_reg(val) << 4; 2719 err = nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); 2720out: 2721 mutex_unlock(&data->update_lock); 2722 return err ? : count; 2723} 2724 2725static ssize_t 2726show_pwm_temp_sel_common(struct nct6775_data *data, char *buf, int src) 2727{ 2728 int i, sel = 0; 2729 2730 for (i = 0; i < NUM_TEMP; i++) { 2731 if (!(data->have_temp & BIT(i))) 2732 continue; 2733 if (src == data->temp_src[i]) { 2734 sel = i + 1; 2735 break; 2736 } 2737 } 2738 2739 return sprintf(buf, "%d\n", sel); 2740} 2741 2742static ssize_t 2743show_pwm_temp_sel(struct device *dev, struct device_attribute *attr, char *buf) 2744{ 2745 struct nct6775_data *data = nct6775_update_device(dev); 2746 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2747 int index = sattr->index; 2748 2749 if (IS_ERR(data)) 2750 return PTR_ERR(data); 2751 2752 return show_pwm_temp_sel_common(data, buf, data->pwm_temp_sel[index]); 2753} 2754 2755static ssize_t 2756store_pwm_temp_sel(struct device *dev, struct device_attribute *attr, 2757 const char *buf, size_t count) 2758{ 2759 struct nct6775_data *data = nct6775_update_device(dev); 2760 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2761 int nr = sattr->index; 2762 unsigned long val; 2763 int err, src; 2764 u16 reg; 2765 2766 if (IS_ERR(data)) 2767 return PTR_ERR(data); 2768 2769 err = kstrtoul(buf, 10, &val); 2770 if (err < 0) 2771 return err; 2772 if (val == 0 || val > NUM_TEMP) 2773 return -EINVAL; 2774 if (!(data->have_temp & BIT(val - 1)) || !data->temp_src[val - 1]) 2775 return -EINVAL; 2776 2777 mutex_lock(&data->update_lock); 2778 src = data->temp_src[val - 1]; 2779 data->pwm_temp_sel[nr] = src; 2780 err = nct6775_read_value(data, data->REG_TEMP_SEL[nr], ®); 2781 if (err) 2782 goto out; 2783 reg &= 0xe0; 2784 reg |= src; 2785 err = nct6775_write_value(data, data->REG_TEMP_SEL[nr], reg); 2786out: 2787 mutex_unlock(&data->update_lock); 2788 2789 return err ? : count; 2790} 2791 2792static ssize_t 2793show_pwm_weight_temp_sel(struct device *dev, struct device_attribute *attr, 2794 char *buf) 2795{ 2796 struct nct6775_data *data = nct6775_update_device(dev); 2797 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2798 int index = sattr->index; 2799 2800 if (IS_ERR(data)) 2801 return PTR_ERR(data); 2802 2803 return show_pwm_temp_sel_common(data, buf, 2804 data->pwm_weight_temp_sel[index]); 2805} 2806 2807static ssize_t 2808store_pwm_weight_temp_sel(struct device *dev, struct device_attribute *attr, 2809 const char *buf, size_t count) 2810{ 2811 struct nct6775_data *data = nct6775_update_device(dev); 2812 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2813 int nr = sattr->index; 2814 unsigned long val; 2815 int err, src; 2816 u16 reg; 2817 2818 if (IS_ERR(data)) 2819 return PTR_ERR(data); 2820 2821 err = kstrtoul(buf, 10, &val); 2822 if (err < 0) 2823 return err; 2824 if (val > NUM_TEMP) 2825 return -EINVAL; 2826 val = array_index_nospec(val, NUM_TEMP + 1); 2827 if (val && (!(data->have_temp & BIT(val - 1)) || 2828 !data->temp_src[val - 1])) 2829 return -EINVAL; 2830 2831 mutex_lock(&data->update_lock); 2832 if (val) { 2833 src = data->temp_src[val - 1]; 2834 data->pwm_weight_temp_sel[nr] = src; 2835 err = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[nr], ®); 2836 if (err) 2837 goto out; 2838 reg &= 0xe0; 2839 reg |= (src | 0x80); 2840 err = nct6775_write_value(data, data->REG_WEIGHT_TEMP_SEL[nr], reg); 2841 } else { 2842 data->pwm_weight_temp_sel[nr] = 0; 2843 err = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[nr], ®); 2844 if (err) 2845 goto out; 2846 reg &= 0x7f; 2847 err = nct6775_write_value(data, data->REG_WEIGHT_TEMP_SEL[nr], reg); 2848 } 2849out: 2850 mutex_unlock(&data->update_lock); 2851 2852 return err ? : count; 2853} 2854 2855static ssize_t 2856show_target_temp(struct device *dev, struct device_attribute *attr, char *buf) 2857{ 2858 struct nct6775_data *data = nct6775_update_device(dev); 2859 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2860 2861 if (IS_ERR(data)) 2862 return PTR_ERR(data); 2863 2864 return sprintf(buf, "%d\n", data->target_temp[sattr->index] * 1000); 2865} 2866 2867static ssize_t 2868store_target_temp(struct device *dev, struct device_attribute *attr, 2869 const char *buf, size_t count) 2870{ 2871 struct nct6775_data *data = dev_get_drvdata(dev); 2872 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2873 int nr = sattr->index; 2874 unsigned long val; 2875 int err; 2876 2877 err = kstrtoul(buf, 10, &val); 2878 if (err < 0) 2879 return err; 2880 2881 val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 2882 data->target_temp_mask); 2883 2884 mutex_lock(&data->update_lock); 2885 data->target_temp[nr] = val; 2886 err = pwm_update_registers(data, nr); 2887 mutex_unlock(&data->update_lock); 2888 return err ? : count; 2889} 2890 2891static ssize_t 2892show_target_speed(struct device *dev, struct device_attribute *attr, char *buf) 2893{ 2894 struct nct6775_data *data = nct6775_update_device(dev); 2895 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2896 int nr = sattr->index; 2897 2898 if (IS_ERR(data)) 2899 return PTR_ERR(data); 2900 2901 return sprintf(buf, "%d\n", 2902 fan_from_reg16(data->target_speed[nr], 2903 data->fan_div[nr])); 2904} 2905 2906static ssize_t 2907store_target_speed(struct device *dev, struct device_attribute *attr, 2908 const char *buf, size_t count) 2909{ 2910 struct nct6775_data *data = dev_get_drvdata(dev); 2911 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2912 int nr = sattr->index; 2913 unsigned long val; 2914 int err; 2915 u16 speed; 2916 2917 err = kstrtoul(buf, 10, &val); 2918 if (err < 0) 2919 return err; 2920 2921 val = clamp_val(val, 0, 1350000U); 2922 speed = fan_to_reg(val, data->fan_div[nr]); 2923 2924 mutex_lock(&data->update_lock); 2925 data->target_speed[nr] = speed; 2926 err = pwm_update_registers(data, nr); 2927 mutex_unlock(&data->update_lock); 2928 return err ? : count; 2929} 2930 2931static ssize_t 2932show_temp_tolerance(struct device *dev, struct device_attribute *attr, 2933 char *buf) 2934{ 2935 struct nct6775_data *data = nct6775_update_device(dev); 2936 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 2937 int nr = sattr->nr; 2938 int index = sattr->index; 2939 2940 if (IS_ERR(data)) 2941 return PTR_ERR(data); 2942 2943 return sprintf(buf, "%d\n", data->temp_tolerance[index][nr] * 1000); 2944} 2945 2946static ssize_t 2947store_temp_tolerance(struct device *dev, struct device_attribute *attr, 2948 const char *buf, size_t count) 2949{ 2950 struct nct6775_data *data = dev_get_drvdata(dev); 2951 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 2952 int nr = sattr->nr; 2953 int index = sattr->index; 2954 unsigned long val; 2955 int err; 2956 2957 err = kstrtoul(buf, 10, &val); 2958 if (err < 0) 2959 return err; 2960 2961 /* Limit tolerance as needed */ 2962 val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, data->tolerance_mask); 2963 2964 mutex_lock(&data->update_lock); 2965 data->temp_tolerance[index][nr] = val; 2966 if (index) 2967 err = pwm_update_registers(data, nr); 2968 else 2969 err = nct6775_write_value(data, data->REG_CRITICAL_TEMP_TOLERANCE[nr], val); 2970 mutex_unlock(&data->update_lock); 2971 return err ? : count; 2972} 2973 2974/* 2975 * Fan speed tolerance is a tricky beast, since the associated register is 2976 * a tick counter, but the value is reported and configured as rpm. 2977 * Compute resulting low and high rpm values and report the difference. 2978 * A fan speed tolerance only makes sense if a fan target speed has been 2979 * configured, so only display values other than 0 if that is the case. 2980 */ 2981static ssize_t 2982show_speed_tolerance(struct device *dev, struct device_attribute *attr, 2983 char *buf) 2984{ 2985 struct nct6775_data *data = nct6775_update_device(dev); 2986 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 2987 int nr = sattr->index; 2988 int target, tolerance = 0; 2989 2990 if (IS_ERR(data)) 2991 return PTR_ERR(data); 2992 2993 target = data->target_speed[nr]; 2994 2995 if (target) { 2996 int low = target - data->target_speed_tolerance[nr]; 2997 int high = target + data->target_speed_tolerance[nr]; 2998 2999 if (low <= 0) 3000 low = 1; 3001 if (high > 0xffff) 3002 high = 0xffff; 3003 if (high < low) 3004 high = low; 3005 3006 tolerance = (fan_from_reg16(low, data->fan_div[nr]) 3007 - fan_from_reg16(high, data->fan_div[nr])) / 2; 3008 } 3009 3010 return sprintf(buf, "%d\n", tolerance); 3011} 3012 3013static ssize_t 3014store_speed_tolerance(struct device *dev, struct device_attribute *attr, 3015 const char *buf, size_t count) 3016{ 3017 struct nct6775_data *data = dev_get_drvdata(dev); 3018 struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); 3019 int nr = sattr->index; 3020 unsigned long val; 3021 int err; 3022 int low, high; 3023 3024 err = kstrtoul(buf, 10, &val); 3025 if (err < 0) 3026 return err; 3027 3028 high = fan_from_reg16(data->target_speed[nr], data->fan_div[nr]) + val; 3029 low = fan_from_reg16(data->target_speed[nr], data->fan_div[nr]) - val; 3030 if (low <= 0) 3031 low = 1; 3032 if (high < low) 3033 high = low; 3034 3035 val = (fan_to_reg(low, data->fan_div[nr]) - 3036 fan_to_reg(high, data->fan_div[nr])) / 2; 3037 3038 /* Limit tolerance as needed */ 3039 val = clamp_val(val, 0, data->speed_tolerance_limit); 3040 3041 mutex_lock(&data->update_lock); 3042 data->target_speed_tolerance[nr] = val; 3043 err = pwm_update_registers(data, nr); 3044 mutex_unlock(&data->update_lock); 3045 return err ? : count; 3046} 3047 3048SENSOR_TEMPLATE_2(pwm, "pwm%d", 0644, show_pwm, store_pwm, 0, 0); 3049SENSOR_TEMPLATE(pwm_mode, "pwm%d_mode", 0644, show_pwm_mode, store_pwm_mode, 0); 3050SENSOR_TEMPLATE(pwm_enable, "pwm%d_enable", 0644, show_pwm_enable, store_pwm_enable, 0); 3051SENSOR_TEMPLATE(pwm_temp_sel, "pwm%d_temp_sel", 0644, show_pwm_temp_sel, store_pwm_temp_sel, 0); 3052SENSOR_TEMPLATE(pwm_target_temp, "pwm%d_target_temp", 0644, show_target_temp, store_target_temp, 0); 3053SENSOR_TEMPLATE(fan_target, "fan%d_target", 0644, show_target_speed, store_target_speed, 0); 3054SENSOR_TEMPLATE(fan_tolerance, "fan%d_tolerance", 0644, show_speed_tolerance, 3055 store_speed_tolerance, 0); 3056 3057/* Smart Fan registers */ 3058 3059static ssize_t 3060show_weight_temp(struct device *dev, struct device_attribute *attr, char *buf) 3061{ 3062 struct nct6775_data *data = nct6775_update_device(dev); 3063 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 3064 int nr = sattr->nr; 3065 int index = sattr->index; 3066 3067 if (IS_ERR(data)) 3068 return PTR_ERR(data); 3069 3070 return sprintf(buf, "%d\n", data->weight_temp[index][nr] * 1000); 3071} 3072 3073static ssize_t 3074store_weight_temp(struct device *dev, struct device_attribute *attr, 3075 const char *buf, size_t count) 3076{ 3077 struct nct6775_data *data = dev_get_drvdata(dev); 3078 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 3079 int nr = sattr->nr; 3080 int index = sattr->index; 3081 unsigned long val; 3082 int err; 3083 3084 err = kstrtoul(buf, 10, &val); 3085 if (err < 0) 3086 return err; 3087 3088 val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 255); 3089 3090 mutex_lock(&data->update_lock); 3091 data->weight_temp[index][nr] = val; 3092 err = nct6775_write_value(data, data->REG_WEIGHT_TEMP[index][nr], val); 3093 mutex_unlock(&data->update_lock); 3094 return err ? : count; 3095} 3096 3097SENSOR_TEMPLATE(pwm_weight_temp_sel, "pwm%d_weight_temp_sel", 0644, 3098 show_pwm_weight_temp_sel, store_pwm_weight_temp_sel, 0); 3099SENSOR_TEMPLATE_2(pwm_weight_temp_step, "pwm%d_weight_temp_step", 3100 0644, show_weight_temp, store_weight_temp, 0, 0); 3101SENSOR_TEMPLATE_2(pwm_weight_temp_step_tol, "pwm%d_weight_temp_step_tol", 3102 0644, show_weight_temp, store_weight_temp, 0, 1); 3103SENSOR_TEMPLATE_2(pwm_weight_temp_step_base, "pwm%d_weight_temp_step_base", 3104 0644, show_weight_temp, store_weight_temp, 0, 2); 3105SENSOR_TEMPLATE_2(pwm_weight_duty_step, "pwm%d_weight_duty_step", 0644, show_pwm, store_pwm, 0, 5); 3106SENSOR_TEMPLATE_2(pwm_weight_duty_base, "pwm%d_weight_duty_base", 0644, show_pwm, store_pwm, 0, 6); 3107 3108static ssize_t 3109show_fan_time(struct device *dev, struct device_attribute *attr, char *buf) 3110{ 3111 struct nct6775_data *data = nct6775_update_device(dev); 3112 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 3113 int nr = sattr->nr; 3114 int index = sattr->index; 3115 3116 if (IS_ERR(data)) 3117 return PTR_ERR(data); 3118 3119 return sprintf(buf, "%d\n", 3120 step_time_from_reg(data->fan_time[index][nr], 3121 data->pwm_mode[nr])); 3122} 3123 3124static ssize_t 3125store_fan_time(struct device *dev, struct device_attribute *attr, 3126 const char *buf, size_t count) 3127{ 3128 struct nct6775_data *data = dev_get_drvdata(dev); 3129 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 3130 int nr = sattr->nr; 3131 int index = sattr->index; 3132 unsigned long val; 3133 int err; 3134 3135 err = kstrtoul(buf, 10, &val); 3136 if (err < 0) 3137 return err; 3138 3139 val = step_time_to_reg(val, data->pwm_mode[nr]); 3140 mutex_lock(&data->update_lock); 3141 data->fan_time[index][nr] = val; 3142 err = nct6775_write_value(data, data->REG_FAN_TIME[index][nr], val); 3143 mutex_unlock(&data->update_lock); 3144 return err ? : count; 3145} 3146 3147static ssize_t 3148show_auto_pwm(struct device *dev, struct device_attribute *attr, char *buf) 3149{ 3150 struct nct6775_data *data = nct6775_update_device(dev); 3151 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 3152 3153 if (IS_ERR(data)) 3154 return PTR_ERR(data); 3155 3156 return sprintf(buf, "%d\n", data->auto_pwm[sattr->nr][sattr->index]); 3157} 3158 3159static ssize_t 3160store_auto_pwm(struct device *dev, struct device_attribute *attr, 3161 const char *buf, size_t count) 3162{ 3163 struct nct6775_data *data = dev_get_drvdata(dev); 3164 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 3165 int nr = sattr->nr; 3166 int point = sattr->index; 3167 unsigned long val; 3168 int err; 3169 u16 reg; 3170 3171 err = kstrtoul(buf, 10, &val); 3172 if (err < 0) 3173 return err; 3174 if (val > 255) 3175 return -EINVAL; 3176 3177 if (point == data->auto_pwm_num) { 3178 if (data->kind != nct6775 && !val) 3179 return -EINVAL; 3180 if (data->kind != nct6779 && val) 3181 val = 0xff; 3182 } 3183 3184 mutex_lock(&data->update_lock); 3185 data->auto_pwm[nr][point] = val; 3186 if (point < data->auto_pwm_num) { 3187 err = nct6775_write_value(data, NCT6775_AUTO_PWM(data, nr, point), 3188 data->auto_pwm[nr][point]); 3189 } else { 3190 switch (data->kind) { 3191 case nct6775: 3192 /* disable if needed (pwm == 0) */ 3193 err = nct6775_read_value(data, NCT6775_REG_CRITICAL_ENAB[nr], ®); 3194 if (err) 3195 break; 3196 if (val) 3197 reg |= 0x02; 3198 else 3199 reg &= ~0x02; 3200 err = nct6775_write_value(data, NCT6775_REG_CRITICAL_ENAB[nr], reg); 3201 break; 3202 case nct6776: 3203 break; /* always enabled, nothing to do */ 3204 case nct6106: 3205 case nct6116: 3206 case nct6779: 3207 case nct6791: 3208 case nct6792: 3209 case nct6793: 3210 case nct6795: 3211 case nct6796: 3212 case nct6797: 3213 case nct6798: 3214 case nct6799: 3215 err = nct6775_write_value(data, data->REG_CRITICAL_PWM[nr], val); 3216 if (err) 3217 break; 3218 err = nct6775_read_value(data, data->REG_CRITICAL_PWM_ENABLE[nr], ®); 3219 if (err) 3220 break; 3221 if (val == 255) 3222 reg &= ~data->CRITICAL_PWM_ENABLE_MASK; 3223 else 3224 reg |= data->CRITICAL_PWM_ENABLE_MASK; 3225 err = nct6775_write_value(data, data->REG_CRITICAL_PWM_ENABLE[nr], reg); 3226 break; 3227 } 3228 } 3229 mutex_unlock(&data->update_lock); 3230 return err ? : count; 3231} 3232 3233static ssize_t 3234show_auto_temp(struct device *dev, struct device_attribute *attr, char *buf) 3235{ 3236 struct nct6775_data *data = nct6775_update_device(dev); 3237 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 3238 int nr = sattr->nr; 3239 int point = sattr->index; 3240 3241 if (IS_ERR(data)) 3242 return PTR_ERR(data); 3243 3244 /* 3245 * We don't know for sure if the temperature is signed or unsigned. 3246 * Assume it is unsigned. 3247 */ 3248 return sprintf(buf, "%d\n", data->auto_temp[nr][point] * 1000); 3249} 3250 3251static ssize_t 3252store_auto_temp(struct device *dev, struct device_attribute *attr, 3253 const char *buf, size_t count) 3254{ 3255 struct nct6775_data *data = dev_get_drvdata(dev); 3256 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); 3257 int nr = sattr->nr; 3258 int point = sattr->index; 3259 unsigned long val; 3260 int err; 3261 3262 err = kstrtoul(buf, 10, &val); 3263 if (err) 3264 return err; 3265 if (val > 255000) 3266 return -EINVAL; 3267 3268 mutex_lock(&data->update_lock); 3269 data->auto_temp[nr][point] = DIV_ROUND_CLOSEST(val, 1000); 3270 if (point < data->auto_pwm_num) { 3271 err = nct6775_write_value(data, NCT6775_AUTO_TEMP(data, nr, point), 3272 data->auto_temp[nr][point]); 3273 } else { 3274 err = nct6775_write_value(data, data->REG_CRITICAL_TEMP[nr], 3275 data->auto_temp[nr][point]); 3276 } 3277 mutex_unlock(&data->update_lock); 3278 return err ? : count; 3279} 3280 3281static umode_t nct6775_pwm_is_visible(struct kobject *kobj, 3282 struct attribute *attr, int index) 3283{ 3284 struct device *dev = kobj_to_dev(kobj); 3285 struct nct6775_data *data = dev_get_drvdata(dev); 3286 int pwm = index / 36; /* pwm index */ 3287 int nr = index % 36; /* attribute index */ 3288 3289 if (!(data->has_pwm & BIT(pwm))) 3290 return 0; 3291 3292 if ((nr >= 14 && nr <= 18) || nr == 21) /* weight */ 3293 if (!data->REG_WEIGHT_TEMP_SEL[pwm]) 3294 return 0; 3295 if (nr == 19 && data->REG_PWM[3] == NULL) /* pwm_max */ 3296 return 0; 3297 if (nr == 20 && data->REG_PWM[4] == NULL) /* pwm_step */ 3298 return 0; 3299 if (nr == 21 && data->REG_PWM[6] == NULL) /* weight_duty_base */ 3300 return 0; 3301 3302 if (nr >= 22 && nr <= 35) { /* auto point */ 3303 int api = (nr - 22) / 2; /* auto point index */ 3304 3305 if (api > data->auto_pwm_num) 3306 return 0; 3307 } 3308 return nct6775_attr_mode(data, attr); 3309} 3310 3311SENSOR_TEMPLATE_2(pwm_stop_time, "pwm%d_stop_time", 0644, show_fan_time, store_fan_time, 0, 0); 3312SENSOR_TEMPLATE_2(pwm_step_up_time, "pwm%d_step_up_time", 0644, 3313 show_fan_time, store_fan_time, 0, 1); 3314SENSOR_TEMPLATE_2(pwm_step_down_time, "pwm%d_step_down_time", 0644, 3315 show_fan_time, store_fan_time, 0, 2); 3316SENSOR_TEMPLATE_2(pwm_start, "pwm%d_start", 0644, show_pwm, store_pwm, 0, 1); 3317SENSOR_TEMPLATE_2(pwm_floor, "pwm%d_floor", 0644, show_pwm, store_pwm, 0, 2); 3318SENSOR_TEMPLATE_2(pwm_temp_tolerance, "pwm%d_temp_tolerance", 0644, 3319 show_temp_tolerance, store_temp_tolerance, 0, 0); 3320SENSOR_TEMPLATE_2(pwm_crit_temp_tolerance, "pwm%d_crit_temp_tolerance", 3321 0644, show_temp_tolerance, store_temp_tolerance, 0, 1); 3322 3323SENSOR_TEMPLATE_2(pwm_max, "pwm%d_max", 0644, show_pwm, store_pwm, 0, 3); 3324 3325SENSOR_TEMPLATE_2(pwm_step, "pwm%d_step", 0644, show_pwm, store_pwm, 0, 4); 3326 3327SENSOR_TEMPLATE_2(pwm_auto_point1_pwm, "pwm%d_auto_point1_pwm", 3328 0644, show_auto_pwm, store_auto_pwm, 0, 0); 3329SENSOR_TEMPLATE_2(pwm_auto_point1_temp, "pwm%d_auto_point1_temp", 3330 0644, show_auto_temp, store_auto_temp, 0, 0); 3331 3332SENSOR_TEMPLATE_2(pwm_auto_point2_pwm, "pwm%d_auto_point2_pwm", 3333 0644, show_auto_pwm, store_auto_pwm, 0, 1); 3334SENSOR_TEMPLATE_2(pwm_auto_point2_temp, "pwm%d_auto_point2_temp", 3335 0644, show_auto_temp, store_auto_temp, 0, 1); 3336 3337SENSOR_TEMPLATE_2(pwm_auto_point3_pwm, "pwm%d_auto_point3_pwm", 3338 0644, show_auto_pwm, store_auto_pwm, 0, 2); 3339SENSOR_TEMPLATE_2(pwm_auto_point3_temp, "pwm%d_auto_point3_temp", 3340 0644, show_auto_temp, store_auto_temp, 0, 2); 3341 3342SENSOR_TEMPLATE_2(pwm_auto_point4_pwm, "pwm%d_auto_point4_pwm", 3343 0644, show_auto_pwm, store_auto_pwm, 0, 3); 3344SENSOR_TEMPLATE_2(pwm_auto_point4_temp, "pwm%d_auto_point4_temp", 3345 0644, show_auto_temp, store_auto_temp, 0, 3); 3346 3347SENSOR_TEMPLATE_2(pwm_auto_point5_pwm, "pwm%d_auto_point5_pwm", 3348 0644, show_auto_pwm, store_auto_pwm, 0, 4); 3349SENSOR_TEMPLATE_2(pwm_auto_point5_temp, "pwm%d_auto_point5_temp", 3350 0644, show_auto_temp, store_auto_temp, 0, 4); 3351 3352SENSOR_TEMPLATE_2(pwm_auto_point6_pwm, "pwm%d_auto_point6_pwm", 3353 0644, show_auto_pwm, store_auto_pwm, 0, 5); 3354SENSOR_TEMPLATE_2(pwm_auto_point6_temp, "pwm%d_auto_point6_temp", 3355 0644, show_auto_temp, store_auto_temp, 0, 5); 3356 3357SENSOR_TEMPLATE_2(pwm_auto_point7_pwm, "pwm%d_auto_point7_pwm", 3358 0644, show_auto_pwm, store_auto_pwm, 0, 6); 3359SENSOR_TEMPLATE_2(pwm_auto_point7_temp, "pwm%d_auto_point7_temp", 3360 0644, show_auto_temp, store_auto_temp, 0, 6); 3361 3362/* 3363 * nct6775_pwm_is_visible uses the index into the following array 3364 * to determine if attributes should be created or not. 3365 * Any change in order or content must be matched. 3366 */ 3367static struct sensor_device_template *nct6775_attributes_pwm_template[] = { 3368 &sensor_dev_template_pwm, 3369 &sensor_dev_template_pwm_mode, 3370 &sensor_dev_template_pwm_enable, 3371 &sensor_dev_template_pwm_temp_sel, 3372 &sensor_dev_template_pwm_temp_tolerance, 3373 &sensor_dev_template_pwm_crit_temp_tolerance, 3374 &sensor_dev_template_pwm_target_temp, 3375 &sensor_dev_template_fan_target, 3376 &sensor_dev_template_fan_tolerance, 3377 &sensor_dev_template_pwm_stop_time, 3378 &sensor_dev_template_pwm_step_up_time, 3379 &sensor_dev_template_pwm_step_down_time, 3380 &sensor_dev_template_pwm_start, 3381 &sensor_dev_template_pwm_floor, 3382 &sensor_dev_template_pwm_weight_temp_sel, /* 14 */ 3383 &sensor_dev_template_pwm_weight_temp_step, 3384 &sensor_dev_template_pwm_weight_temp_step_tol, 3385 &sensor_dev_template_pwm_weight_temp_step_base, 3386 &sensor_dev_template_pwm_weight_duty_step, /* 18 */ 3387 &sensor_dev_template_pwm_max, /* 19 */ 3388 &sensor_dev_template_pwm_step, /* 20 */ 3389 &sensor_dev_template_pwm_weight_duty_base, /* 21 */ 3390 &sensor_dev_template_pwm_auto_point1_pwm, /* 22 */ 3391 &sensor_dev_template_pwm_auto_point1_temp, 3392 &sensor_dev_template_pwm_auto_point2_pwm, 3393 &sensor_dev_template_pwm_auto_point2_temp, 3394 &sensor_dev_template_pwm_auto_point3_pwm, 3395 &sensor_dev_template_pwm_auto_point3_temp, 3396 &sensor_dev_template_pwm_auto_point4_pwm, 3397 &sensor_dev_template_pwm_auto_point4_temp, 3398 &sensor_dev_template_pwm_auto_point5_pwm, 3399 &sensor_dev_template_pwm_auto_point5_temp, 3400 &sensor_dev_template_pwm_auto_point6_pwm, 3401 &sensor_dev_template_pwm_auto_point6_temp, 3402 &sensor_dev_template_pwm_auto_point7_pwm, 3403 &sensor_dev_template_pwm_auto_point7_temp, /* 35 */ 3404 3405 NULL 3406}; 3407 3408static const struct sensor_template_group nct6775_pwm_template_group = { 3409 .templates = nct6775_attributes_pwm_template, 3410 .is_visible = nct6775_pwm_is_visible, 3411 .base = 1, 3412}; 3413 3414static inline int nct6775_init_device(struct nct6775_data *data) 3415{ 3416 int i, err; 3417 u16 tmp, diode; 3418 3419 /* Start monitoring if needed */ 3420 if (data->REG_CONFIG) { 3421 err = nct6775_read_value(data, data->REG_CONFIG, &tmp); 3422 if (err) 3423 return err; 3424 if (!(tmp & 0x01)) { 3425 err = nct6775_write_value(data, data->REG_CONFIG, tmp | 0x01); 3426 if (err) 3427 return err; 3428 } 3429 } 3430 3431 /* Enable temperature sensors if needed */ 3432 for (i = 0; i < NUM_TEMP; i++) { 3433 if (!(data->have_temp & BIT(i))) 3434 continue; 3435 if (!data->reg_temp_config[i]) 3436 continue; 3437 err = nct6775_read_value(data, data->reg_temp_config[i], &tmp); 3438 if (err) 3439 return err; 3440 if (tmp & 0x01) { 3441 err = nct6775_write_value(data, data->reg_temp_config[i], tmp & 0xfe); 3442 if (err) 3443 return err; 3444 } 3445 } 3446 3447 /* Enable VBAT monitoring if needed */ 3448 err = nct6775_read_value(data, data->REG_VBAT, &tmp); 3449 if (err) 3450 return err; 3451 if (!(tmp & 0x01)) { 3452 err = nct6775_write_value(data, data->REG_VBAT, tmp | 0x01); 3453 if (err) 3454 return err; 3455 } 3456 3457 err = nct6775_read_value(data, data->REG_DIODE, &diode); 3458 if (err) 3459 return err; 3460 3461 for (i = 0; i < data->temp_fixed_num; i++) { 3462 if (!(data->have_temp_fixed & BIT(i))) 3463 continue; 3464 if ((tmp & (data->DIODE_MASK << i))) /* diode */ 3465 data->temp_type[i] 3466 = 3 - ((diode >> i) & data->DIODE_MASK); 3467 else /* thermistor */ 3468 data->temp_type[i] = 4; 3469 } 3470 3471 return 0; 3472} 3473 3474static int add_temp_sensors(struct nct6775_data *data, const u16 *regp, 3475 int *available, int *mask) 3476{ 3477 int i, err; 3478 u16 src; 3479 3480 for (i = 0; i < data->pwm_num && *available; i++) { 3481 int index; 3482 3483 if (!regp[i]) 3484 continue; 3485 err = nct6775_read_value(data, regp[i], &src); 3486 if (err) 3487 return err; 3488 src &= 0x1f; 3489 if (!src || (*mask & BIT(src))) 3490 continue; 3491 if (!(data->temp_mask & BIT(src))) 3492 continue; 3493 3494 index = __ffs(*available); 3495 err = nct6775_write_value(data, data->REG_TEMP_SOURCE[index], src); 3496 if (err) 3497 return err; 3498 *available &= ~BIT(index); 3499 *mask |= BIT(src); 3500 } 3501 3502 return 0; 3503} 3504 3505int nct6775_probe(struct device *dev, struct nct6775_data *data, 3506 const struct regmap_config *regmapcfg) 3507{ 3508 int i, s, err = 0; 3509 int mask, available; 3510 u16 src; 3511 const u16 *reg_temp, *reg_temp_over, *reg_temp_hyst, *reg_temp_config; 3512 const u16 *reg_temp_mon, *reg_temp_alternate, *reg_temp_crit; 3513 const u16 *reg_temp_crit_l = NULL, *reg_temp_crit_h = NULL; 3514 int num_reg_temp, num_reg_temp_mon, num_reg_tsi_temp; 3515 int num_reg_temp_config; 3516 struct device *hwmon_dev; 3517 struct sensor_template_group tsi_temp_tg; 3518 3519 data->regmap = devm_regmap_init(dev, NULL, data, regmapcfg); 3520 if (IS_ERR(data->regmap)) 3521 return PTR_ERR(data->regmap); 3522 3523 mutex_init(&data->update_lock); 3524 data->name = nct6775_device_names[data->kind]; 3525 data->bank = 0xff; /* Force initial bank selection */ 3526 data->scale_in = scale_in; 3527 3528 switch (data->kind) { 3529 case nct6106: 3530 data->in_num = 9; 3531 data->pwm_num = 3; 3532 data->auto_pwm_num = 4; 3533 data->temp_fixed_num = 3; 3534 data->num_temp_alarms = 6; 3535 data->num_temp_beeps = 6; 3536 3537 data->fan_from_reg = fan_from_reg13; 3538 data->fan_from_reg_min = fan_from_reg13; 3539 3540 data->temp_label = nct6776_temp_label; 3541 data->temp_mask = NCT6776_TEMP_MASK; 3542 data->virt_temp_mask = NCT6776_VIRT_TEMP_MASK; 3543 3544 data->REG_VBAT = NCT6106_REG_VBAT; 3545 data->REG_DIODE = NCT6106_REG_DIODE; 3546 data->DIODE_MASK = NCT6106_DIODE_MASK; 3547 data->REG_VIN = NCT6106_REG_IN; 3548 data->REG_IN_MINMAX[0] = NCT6106_REG_IN_MIN; 3549 data->REG_IN_MINMAX[1] = NCT6106_REG_IN_MAX; 3550 data->REG_TARGET = NCT6106_REG_TARGET; 3551 data->REG_FAN = NCT6106_REG_FAN; 3552 data->REG_FAN_MODE = NCT6106_REG_FAN_MODE; 3553 data->REG_FAN_MIN = NCT6106_REG_FAN_MIN; 3554 data->REG_FAN_PULSES = NCT6106_REG_FAN_PULSES; 3555 data->FAN_PULSE_SHIFT = NCT6106_FAN_PULSE_SHIFT; 3556 data->REG_FAN_TIME[0] = NCT6106_REG_FAN_STOP_TIME; 3557 data->REG_FAN_TIME[1] = NCT6106_REG_FAN_STEP_UP_TIME; 3558 data->REG_FAN_TIME[2] = NCT6106_REG_FAN_STEP_DOWN_TIME; 3559 data->REG_TOLERANCE_H = NCT6106_REG_TOLERANCE_H; 3560 data->REG_PWM[0] = NCT6116_REG_PWM; 3561 data->REG_PWM[1] = NCT6106_REG_FAN_START_OUTPUT; 3562 data->REG_PWM[2] = NCT6106_REG_FAN_STOP_OUTPUT; 3563 data->REG_PWM[5] = NCT6106_REG_WEIGHT_DUTY_STEP; 3564 data->REG_PWM[6] = NCT6106_REG_WEIGHT_DUTY_BASE; 3565 data->REG_PWM_READ = NCT6106_REG_PWM_READ; 3566 data->REG_PWM_MODE = NCT6106_REG_PWM_MODE; 3567 data->PWM_MODE_MASK = NCT6106_PWM_MODE_MASK; 3568 data->REG_AUTO_TEMP = NCT6106_REG_AUTO_TEMP; 3569 data->REG_AUTO_PWM = NCT6106_REG_AUTO_PWM; 3570 data->REG_CRITICAL_TEMP = NCT6106_REG_CRITICAL_TEMP; 3571 data->REG_CRITICAL_TEMP_TOLERANCE 3572 = NCT6106_REG_CRITICAL_TEMP_TOLERANCE; 3573 data->REG_CRITICAL_PWM_ENABLE = NCT6106_REG_CRITICAL_PWM_ENABLE; 3574 data->CRITICAL_PWM_ENABLE_MASK 3575 = NCT6106_CRITICAL_PWM_ENABLE_MASK; 3576 data->REG_CRITICAL_PWM = NCT6106_REG_CRITICAL_PWM; 3577 data->REG_TEMP_OFFSET = NCT6106_REG_TEMP_OFFSET; 3578 data->REG_TEMP_SOURCE = NCT6106_REG_TEMP_SOURCE; 3579 data->REG_TEMP_SEL = NCT6116_REG_TEMP_SEL; 3580 data->REG_WEIGHT_TEMP_SEL = NCT6106_REG_WEIGHT_TEMP_SEL; 3581 data->REG_WEIGHT_TEMP[0] = NCT6106_REG_WEIGHT_TEMP_STEP; 3582 data->REG_WEIGHT_TEMP[1] = NCT6106_REG_WEIGHT_TEMP_STEP_TOL; 3583 data->REG_WEIGHT_TEMP[2] = NCT6106_REG_WEIGHT_TEMP_BASE; 3584 data->REG_ALARM = NCT6106_REG_ALARM; 3585 data->ALARM_BITS = NCT6106_ALARM_BITS; 3586 data->REG_BEEP = NCT6106_REG_BEEP; 3587 data->BEEP_BITS = NCT6106_BEEP_BITS; 3588 data->REG_TSI_TEMP = NCT6106_REG_TSI_TEMP; 3589 3590 reg_temp = NCT6106_REG_TEMP; 3591 reg_temp_mon = NCT6106_REG_TEMP_MON; 3592 num_reg_temp = ARRAY_SIZE(NCT6106_REG_TEMP); 3593 num_reg_temp_mon = ARRAY_SIZE(NCT6106_REG_TEMP_MON); 3594 num_reg_tsi_temp = ARRAY_SIZE(NCT6106_REG_TSI_TEMP); 3595 reg_temp_over = NCT6106_REG_TEMP_OVER; 3596 reg_temp_hyst = NCT6106_REG_TEMP_HYST; 3597 reg_temp_config = NCT6106_REG_TEMP_CONFIG; 3598 num_reg_temp_config = ARRAY_SIZE(NCT6106_REG_TEMP_CONFIG); 3599 reg_temp_alternate = NCT6106_REG_TEMP_ALTERNATE; 3600 reg_temp_crit = NCT6106_REG_TEMP_CRIT; 3601 reg_temp_crit_l = NCT6106_REG_TEMP_CRIT_L; 3602 reg_temp_crit_h = NCT6106_REG_TEMP_CRIT_H; 3603 3604 break; 3605 case nct6116: 3606 data->in_num = 9; 3607 data->pwm_num = 5; 3608 data->auto_pwm_num = 4; 3609 data->temp_fixed_num = 3; 3610 data->num_temp_alarms = 3; 3611 data->num_temp_beeps = 3; 3612 3613 data->fan_from_reg = fan_from_reg13; 3614 data->fan_from_reg_min = fan_from_reg13; 3615 3616 data->temp_label = nct6776_temp_label; 3617 data->temp_mask = NCT6776_TEMP_MASK; 3618 data->virt_temp_mask = NCT6776_VIRT_TEMP_MASK; 3619 3620 data->REG_VBAT = NCT6106_REG_VBAT; 3621 data->REG_DIODE = NCT6106_REG_DIODE; 3622 data->DIODE_MASK = NCT6106_DIODE_MASK; 3623 data->REG_VIN = NCT6106_REG_IN; 3624 data->REG_IN_MINMAX[0] = NCT6106_REG_IN_MIN; 3625 data->REG_IN_MINMAX[1] = NCT6106_REG_IN_MAX; 3626 data->REG_TARGET = NCT6116_REG_TARGET; 3627 data->REG_FAN = NCT6116_REG_FAN; 3628 data->REG_FAN_MODE = NCT6116_REG_FAN_MODE; 3629 data->REG_FAN_MIN = NCT6116_REG_FAN_MIN; 3630 data->REG_FAN_PULSES = NCT6116_REG_FAN_PULSES; 3631 data->FAN_PULSE_SHIFT = NCT6116_FAN_PULSE_SHIFT; 3632 data->REG_FAN_TIME[0] = NCT6116_REG_FAN_STOP_TIME; 3633 data->REG_FAN_TIME[1] = NCT6116_REG_FAN_STEP_UP_TIME; 3634 data->REG_FAN_TIME[2] = NCT6116_REG_FAN_STEP_DOWN_TIME; 3635 data->REG_TOLERANCE_H = NCT6116_REG_TOLERANCE_H; 3636 data->REG_PWM[0] = NCT6116_REG_PWM; 3637 data->REG_PWM[1] = NCT6116_REG_FAN_START_OUTPUT; 3638 data->REG_PWM[2] = NCT6116_REG_FAN_STOP_OUTPUT; 3639 data->REG_PWM[5] = NCT6106_REG_WEIGHT_DUTY_STEP; 3640 data->REG_PWM[6] = NCT6106_REG_WEIGHT_DUTY_BASE; 3641 data->REG_PWM_READ = NCT6106_REG_PWM_READ; 3642 data->REG_PWM_MODE = NCT6106_REG_PWM_MODE; 3643 data->PWM_MODE_MASK = NCT6106_PWM_MODE_MASK; 3644 data->REG_AUTO_TEMP = NCT6116_REG_AUTO_TEMP; 3645 data->REG_AUTO_PWM = NCT6116_REG_AUTO_PWM; 3646 data->REG_CRITICAL_TEMP = NCT6116_REG_CRITICAL_TEMP; 3647 data->REG_CRITICAL_TEMP_TOLERANCE 3648 = NCT6116_REG_CRITICAL_TEMP_TOLERANCE; 3649 data->REG_CRITICAL_PWM_ENABLE = NCT6116_REG_CRITICAL_PWM_ENABLE; 3650 data->CRITICAL_PWM_ENABLE_MASK 3651 = NCT6106_CRITICAL_PWM_ENABLE_MASK; 3652 data->REG_CRITICAL_PWM = NCT6116_REG_CRITICAL_PWM; 3653 data->REG_TEMP_OFFSET = NCT6106_REG_TEMP_OFFSET; 3654 data->REG_TEMP_SOURCE = NCT6116_REG_TEMP_SOURCE; 3655 data->REG_TEMP_SEL = NCT6116_REG_TEMP_SEL; 3656 data->REG_WEIGHT_TEMP_SEL = NCT6106_REG_WEIGHT_TEMP_SEL; 3657 data->REG_WEIGHT_TEMP[0] = NCT6106_REG_WEIGHT_TEMP_STEP; 3658 data->REG_WEIGHT_TEMP[1] = NCT6106_REG_WEIGHT_TEMP_STEP_TOL; 3659 data->REG_WEIGHT_TEMP[2] = NCT6106_REG_WEIGHT_TEMP_BASE; 3660 data->REG_ALARM = NCT6106_REG_ALARM; 3661 data->ALARM_BITS = NCT6116_ALARM_BITS; 3662 data->REG_BEEP = NCT6106_REG_BEEP; 3663 data->BEEP_BITS = NCT6116_BEEP_BITS; 3664 data->REG_TSI_TEMP = NCT6116_REG_TSI_TEMP; 3665 3666 reg_temp = NCT6106_REG_TEMP; 3667 reg_temp_mon = NCT6106_REG_TEMP_MON; 3668 num_reg_temp = ARRAY_SIZE(NCT6106_REG_TEMP); 3669 num_reg_temp_mon = ARRAY_SIZE(NCT6106_REG_TEMP_MON); 3670 num_reg_tsi_temp = ARRAY_SIZE(NCT6116_REG_TSI_TEMP); 3671 reg_temp_over = NCT6106_REG_TEMP_OVER; 3672 reg_temp_hyst = NCT6106_REG_TEMP_HYST; 3673 reg_temp_config = NCT6106_REG_TEMP_CONFIG; 3674 num_reg_temp_config = ARRAY_SIZE(NCT6106_REG_TEMP_CONFIG); 3675 reg_temp_alternate = NCT6106_REG_TEMP_ALTERNATE; 3676 reg_temp_crit = NCT6106_REG_TEMP_CRIT; 3677 reg_temp_crit_l = NCT6106_REG_TEMP_CRIT_L; 3678 reg_temp_crit_h = NCT6106_REG_TEMP_CRIT_H; 3679 3680 break; 3681 case nct6775: 3682 data->in_num = 9; 3683 data->pwm_num = 3; 3684 data->auto_pwm_num = 6; 3685 data->has_fan_div = true; 3686 data->temp_fixed_num = 3; 3687 data->num_temp_alarms = 3; 3688 data->num_temp_beeps = 3; 3689 3690 data->ALARM_BITS = NCT6775_ALARM_BITS; 3691 data->BEEP_BITS = NCT6775_BEEP_BITS; 3692 3693 data->fan_from_reg = fan_from_reg16; 3694 data->fan_from_reg_min = fan_from_reg8; 3695 data->target_temp_mask = 0x7f; 3696 data->tolerance_mask = 0x0f; 3697 data->speed_tolerance_limit = 15; 3698 3699 data->temp_label = nct6775_temp_label; 3700 data->temp_mask = NCT6775_TEMP_MASK; 3701 data->virt_temp_mask = NCT6775_VIRT_TEMP_MASK; 3702 3703 data->REG_CONFIG = NCT6775_REG_CONFIG; 3704 data->REG_VBAT = NCT6775_REG_VBAT; 3705 data->REG_DIODE = NCT6775_REG_DIODE; 3706 data->DIODE_MASK = NCT6775_DIODE_MASK; 3707 data->REG_VIN = NCT6775_REG_IN; 3708 data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; 3709 data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; 3710 data->REG_TARGET = NCT6775_REG_TARGET; 3711 data->REG_FAN = NCT6775_REG_FAN; 3712 data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; 3713 data->REG_FAN_MIN = NCT6775_REG_FAN_MIN; 3714 data->REG_FAN_PULSES = NCT6775_REG_FAN_PULSES; 3715 data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT; 3716 data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; 3717 data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME; 3718 data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME; 3719 data->REG_PWM[0] = NCT6775_REG_PWM; 3720 data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; 3721 data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; 3722 data->REG_PWM[3] = NCT6775_REG_FAN_MAX_OUTPUT; 3723 data->REG_PWM[4] = NCT6775_REG_FAN_STEP_OUTPUT; 3724 data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; 3725 data->REG_PWM_READ = NCT6775_REG_PWM_READ; 3726 data->REG_PWM_MODE = NCT6775_REG_PWM_MODE; 3727 data->PWM_MODE_MASK = NCT6775_PWM_MODE_MASK; 3728 data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; 3729 data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; 3730 data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; 3731 data->REG_CRITICAL_TEMP_TOLERANCE 3732 = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; 3733 data->REG_TEMP_OFFSET = NCT6775_REG_TEMP_OFFSET; 3734 data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; 3735 data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; 3736 data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; 3737 data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; 3738 data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; 3739 data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; 3740 data->REG_ALARM = NCT6775_REG_ALARM; 3741 data->REG_BEEP = NCT6775_REG_BEEP; 3742 data->REG_TSI_TEMP = NCT6775_REG_TSI_TEMP; 3743 3744 reg_temp = NCT6775_REG_TEMP; 3745 reg_temp_mon = NCT6775_REG_TEMP_MON; 3746 num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP); 3747 num_reg_temp_mon = ARRAY_SIZE(NCT6775_REG_TEMP_MON); 3748 num_reg_tsi_temp = ARRAY_SIZE(NCT6775_REG_TSI_TEMP); 3749 reg_temp_over = NCT6775_REG_TEMP_OVER; 3750 reg_temp_hyst = NCT6775_REG_TEMP_HYST; 3751 reg_temp_config = NCT6775_REG_TEMP_CONFIG; 3752 num_reg_temp_config = ARRAY_SIZE(NCT6775_REG_TEMP_CONFIG); 3753 reg_temp_alternate = NCT6775_REG_TEMP_ALTERNATE; 3754 reg_temp_crit = NCT6775_REG_TEMP_CRIT; 3755 3756 break; 3757 case nct6776: 3758 data->in_num = 9; 3759 data->pwm_num = 3; 3760 data->auto_pwm_num = 4; 3761 data->has_fan_div = false; 3762 data->temp_fixed_num = 3; 3763 data->num_temp_alarms = 3; 3764 data->num_temp_beeps = 6; 3765 3766 data->ALARM_BITS = NCT6776_ALARM_BITS; 3767 data->BEEP_BITS = NCT6776_BEEP_BITS; 3768 3769 data->fan_from_reg = fan_from_reg13; 3770 data->fan_from_reg_min = fan_from_reg13; 3771 data->target_temp_mask = 0xff; 3772 data->tolerance_mask = 0x07; 3773 data->speed_tolerance_limit = 63; 3774 3775 data->temp_label = nct6776_temp_label; 3776 data->temp_mask = NCT6776_TEMP_MASK; 3777 data->virt_temp_mask = NCT6776_VIRT_TEMP_MASK; 3778 3779 data->REG_CONFIG = NCT6775_REG_CONFIG; 3780 data->REG_VBAT = NCT6775_REG_VBAT; 3781 data->REG_DIODE = NCT6775_REG_DIODE; 3782 data->DIODE_MASK = NCT6775_DIODE_MASK; 3783 data->REG_VIN = NCT6775_REG_IN; 3784 data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; 3785 data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; 3786 data->REG_TARGET = NCT6775_REG_TARGET; 3787 data->REG_FAN = NCT6775_REG_FAN; 3788 data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; 3789 data->REG_FAN_MIN = NCT6776_REG_FAN_MIN; 3790 data->REG_FAN_PULSES = NCT6776_REG_FAN_PULSES; 3791 data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT; 3792 data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; 3793 data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME; 3794 data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME; 3795 data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H; 3796 data->REG_PWM[0] = NCT6775_REG_PWM; 3797 data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; 3798 data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; 3799 data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; 3800 data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE; 3801 data->REG_PWM_READ = NCT6775_REG_PWM_READ; 3802 data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; 3803 data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; 3804 data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; 3805 data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; 3806 data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; 3807 data->REG_CRITICAL_TEMP_TOLERANCE 3808 = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; 3809 data->REG_TEMP_OFFSET = NCT6775_REG_TEMP_OFFSET; 3810 data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; 3811 data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; 3812 data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; 3813 data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; 3814 data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; 3815 data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; 3816 data->REG_ALARM = NCT6775_REG_ALARM; 3817 data->REG_BEEP = NCT6776_REG_BEEP; 3818 data->REG_TSI_TEMP = NCT6776_REG_TSI_TEMP; 3819 3820 reg_temp = NCT6775_REG_TEMP; 3821 reg_temp_mon = NCT6775_REG_TEMP_MON; 3822 num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP); 3823 num_reg_temp_mon = ARRAY_SIZE(NCT6775_REG_TEMP_MON); 3824 num_reg_tsi_temp = ARRAY_SIZE(NCT6776_REG_TSI_TEMP); 3825 reg_temp_over = NCT6775_REG_TEMP_OVER; 3826 reg_temp_hyst = NCT6775_REG_TEMP_HYST; 3827 reg_temp_config = NCT6776_REG_TEMP_CONFIG; 3828 num_reg_temp_config = ARRAY_SIZE(NCT6776_REG_TEMP_CONFIG); 3829 reg_temp_alternate = NCT6776_REG_TEMP_ALTERNATE; 3830 reg_temp_crit = NCT6776_REG_TEMP_CRIT; 3831 3832 break; 3833 case nct6779: 3834 data->in_num = 15; 3835 data->pwm_num = 5; 3836 data->auto_pwm_num = 4; 3837 data->has_fan_div = false; 3838 data->temp_fixed_num = 6; 3839 data->num_temp_alarms = 2; 3840 data->num_temp_beeps = 2; 3841 3842 data->ALARM_BITS = NCT6779_ALARM_BITS; 3843 data->BEEP_BITS = NCT6779_BEEP_BITS; 3844 3845 data->fan_from_reg = fan_from_reg_rpm; 3846 data->fan_from_reg_min = fan_from_reg13; 3847 data->target_temp_mask = 0xff; 3848 data->tolerance_mask = 0x07; 3849 data->speed_tolerance_limit = 63; 3850 3851 data->temp_label = nct6779_temp_label; 3852 data->temp_mask = NCT6779_TEMP_MASK; 3853 data->virt_temp_mask = NCT6779_VIRT_TEMP_MASK; 3854 3855 data->REG_CONFIG = NCT6775_REG_CONFIG; 3856 data->REG_VBAT = NCT6775_REG_VBAT; 3857 data->REG_DIODE = NCT6775_REG_DIODE; 3858 data->DIODE_MASK = NCT6775_DIODE_MASK; 3859 data->REG_VIN = NCT6779_REG_IN; 3860 data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; 3861 data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; 3862 data->REG_TARGET = NCT6775_REG_TARGET; 3863 data->REG_FAN = NCT6779_REG_FAN; 3864 data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; 3865 data->REG_FAN_MIN = NCT6776_REG_FAN_MIN; 3866 data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES; 3867 data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT; 3868 data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; 3869 data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME; 3870 data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME; 3871 data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H; 3872 data->REG_PWM[0] = NCT6775_REG_PWM; 3873 data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; 3874 data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; 3875 data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; 3876 data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE; 3877 data->REG_PWM_READ = NCT6775_REG_PWM_READ; 3878 data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; 3879 data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; 3880 data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; 3881 data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; 3882 data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; 3883 data->REG_CRITICAL_TEMP_TOLERANCE 3884 = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; 3885 data->REG_CRITICAL_PWM_ENABLE = NCT6779_REG_CRITICAL_PWM_ENABLE; 3886 data->CRITICAL_PWM_ENABLE_MASK 3887 = NCT6779_CRITICAL_PWM_ENABLE_MASK; 3888 data->REG_CRITICAL_PWM = NCT6779_REG_CRITICAL_PWM; 3889 data->REG_TEMP_OFFSET = NCT6779_REG_TEMP_OFFSET; 3890 data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; 3891 data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; 3892 data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; 3893 data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; 3894 data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; 3895 data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; 3896 data->REG_ALARM = NCT6779_REG_ALARM; 3897 data->REG_BEEP = NCT6776_REG_BEEP; 3898 data->REG_TSI_TEMP = NCT6776_REG_TSI_TEMP; 3899 3900 reg_temp = NCT6779_REG_TEMP; 3901 reg_temp_mon = NCT6779_REG_TEMP_MON; 3902 num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP); 3903 num_reg_temp_mon = ARRAY_SIZE(NCT6779_REG_TEMP_MON); 3904 num_reg_tsi_temp = ARRAY_SIZE(NCT6776_REG_TSI_TEMP); 3905 reg_temp_over = NCT6779_REG_TEMP_OVER; 3906 reg_temp_hyst = NCT6779_REG_TEMP_HYST; 3907 reg_temp_config = NCT6779_REG_TEMP_CONFIG; 3908 num_reg_temp_config = ARRAY_SIZE(NCT6779_REG_TEMP_CONFIG); 3909 reg_temp_alternate = NCT6779_REG_TEMP_ALTERNATE; 3910 reg_temp_crit = NCT6779_REG_TEMP_CRIT; 3911 3912 break; 3913 case nct6791: 3914 case nct6792: 3915 case nct6793: 3916 case nct6795: 3917 case nct6796: 3918 case nct6797: 3919 data->in_num = 15; 3920 data->pwm_num = (data->kind == nct6796 || 3921 data->kind == nct6797) ? 7 : 6; 3922 data->auto_pwm_num = 4; 3923 data->has_fan_div = false; 3924 data->temp_fixed_num = 6; 3925 data->num_temp_alarms = 2; 3926 data->num_temp_beeps = 2; 3927 3928 data->ALARM_BITS = NCT6791_ALARM_BITS; 3929 data->BEEP_BITS = NCT6779_BEEP_BITS; 3930 3931 data->fan_from_reg = fan_from_reg_rpm; 3932 data->fan_from_reg_min = fan_from_reg13; 3933 data->target_temp_mask = 0xff; 3934 data->tolerance_mask = 0x07; 3935 data->speed_tolerance_limit = 63; 3936 3937 switch (data->kind) { 3938 default: 3939 case nct6791: 3940 data->temp_label = nct6779_temp_label; 3941 data->temp_mask = NCT6791_TEMP_MASK; 3942 data->virt_temp_mask = NCT6791_VIRT_TEMP_MASK; 3943 break; 3944 case nct6792: 3945 data->temp_label = nct6792_temp_label; 3946 data->temp_mask = NCT6792_TEMP_MASK; 3947 data->virt_temp_mask = NCT6792_VIRT_TEMP_MASK; 3948 break; 3949 case nct6793: 3950 data->temp_label = nct6793_temp_label; 3951 data->temp_mask = NCT6793_TEMP_MASK; 3952 data->virt_temp_mask = NCT6793_VIRT_TEMP_MASK; 3953 break; 3954 case nct6795: 3955 case nct6797: 3956 data->temp_label = nct6795_temp_label; 3957 data->temp_mask = NCT6795_TEMP_MASK; 3958 data->virt_temp_mask = NCT6795_VIRT_TEMP_MASK; 3959 break; 3960 case nct6796: 3961 data->temp_label = nct6796_temp_label; 3962 data->temp_mask = NCT6796_TEMP_MASK; 3963 data->virt_temp_mask = NCT6796_VIRT_TEMP_MASK; 3964 break; 3965 } 3966 3967 data->REG_CONFIG = NCT6775_REG_CONFIG; 3968 data->REG_VBAT = NCT6775_REG_VBAT; 3969 data->REG_DIODE = NCT6775_REG_DIODE; 3970 data->DIODE_MASK = NCT6775_DIODE_MASK; 3971 data->REG_VIN = NCT6779_REG_IN; 3972 data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; 3973 data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; 3974 data->REG_TARGET = NCT6775_REG_TARGET; 3975 data->REG_FAN = NCT6779_REG_FAN; 3976 data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; 3977 data->REG_FAN_MIN = NCT6776_REG_FAN_MIN; 3978 data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES; 3979 data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT; 3980 data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; 3981 data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME; 3982 data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME; 3983 data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H; 3984 data->REG_PWM[0] = NCT6775_REG_PWM; 3985 data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; 3986 data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; 3987 data->REG_PWM[5] = NCT6791_REG_WEIGHT_DUTY_STEP; 3988 data->REG_PWM[6] = NCT6791_REG_WEIGHT_DUTY_BASE; 3989 data->REG_PWM_READ = NCT6775_REG_PWM_READ; 3990 data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; 3991 data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; 3992 data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; 3993 data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; 3994 data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; 3995 data->REG_CRITICAL_TEMP_TOLERANCE 3996 = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; 3997 data->REG_CRITICAL_PWM_ENABLE = NCT6779_REG_CRITICAL_PWM_ENABLE; 3998 data->CRITICAL_PWM_ENABLE_MASK 3999 = NCT6779_CRITICAL_PWM_ENABLE_MASK; 4000 data->REG_CRITICAL_PWM = NCT6779_REG_CRITICAL_PWM; 4001 data->REG_TEMP_OFFSET = NCT6779_REG_TEMP_OFFSET; 4002 data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; 4003 data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; 4004 data->REG_WEIGHT_TEMP_SEL = NCT6791_REG_WEIGHT_TEMP_SEL; 4005 data->REG_WEIGHT_TEMP[0] = NCT6791_REG_WEIGHT_TEMP_STEP; 4006 data->REG_WEIGHT_TEMP[1] = NCT6791_REG_WEIGHT_TEMP_STEP_TOL; 4007 data->REG_WEIGHT_TEMP[2] = NCT6791_REG_WEIGHT_TEMP_BASE; 4008 data->REG_ALARM = NCT6791_REG_ALARM; 4009 if (data->kind == nct6791) 4010 data->REG_BEEP = NCT6776_REG_BEEP; 4011 else 4012 data->REG_BEEP = NCT6792_REG_BEEP; 4013 switch (data->kind) { 4014 case nct6791: 4015 case nct6792: 4016 case nct6793: 4017 data->REG_TSI_TEMP = NCT6776_REG_TSI_TEMP; 4018 num_reg_tsi_temp = ARRAY_SIZE(NCT6776_REG_TSI_TEMP); 4019 break; 4020 case nct6795: 4021 case nct6796: 4022 case nct6797: 4023 data->REG_TSI_TEMP = NCT6796_REG_TSI_TEMP; 4024 num_reg_tsi_temp = ARRAY_SIZE(NCT6796_REG_TSI_TEMP); 4025 break; 4026 default: 4027 num_reg_tsi_temp = 0; 4028 break; 4029 } 4030 4031 reg_temp = NCT6779_REG_TEMP; 4032 num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP); 4033 if (data->kind == nct6791) { 4034 reg_temp_mon = NCT6779_REG_TEMP_MON; 4035 num_reg_temp_mon = ARRAY_SIZE(NCT6779_REG_TEMP_MON); 4036 } else { 4037 reg_temp_mon = NCT6792_REG_TEMP_MON; 4038 num_reg_temp_mon = ARRAY_SIZE(NCT6792_REG_TEMP_MON); 4039 } 4040 reg_temp_over = NCT6779_REG_TEMP_OVER; 4041 reg_temp_hyst = NCT6779_REG_TEMP_HYST; 4042 reg_temp_config = NCT6779_REG_TEMP_CONFIG; 4043 num_reg_temp_config = ARRAY_SIZE(NCT6779_REG_TEMP_CONFIG); 4044 reg_temp_alternate = NCT6779_REG_TEMP_ALTERNATE; 4045 reg_temp_crit = NCT6779_REG_TEMP_CRIT; 4046 4047 break; 4048 case nct6798: 4049 case nct6799: 4050 data->in_num = data->kind == nct6799 ? 18 : 15; 4051 data->scale_in = scale_in_6798; 4052 data->pwm_num = 7; 4053 data->auto_pwm_num = 4; 4054 data->has_fan_div = false; 4055 data->temp_fixed_num = 6; 4056 data->num_temp_alarms = 7; 4057 data->num_temp_beeps = 8; 4058 4059 data->ALARM_BITS = NCT6799_ALARM_BITS; 4060 data->BEEP_BITS = NCT6799_BEEP_BITS; 4061 4062 data->fan_from_reg = fan_from_reg_rpm; 4063 data->fan_from_reg_min = fan_from_reg13; 4064 data->target_temp_mask = 0xff; 4065 data->tolerance_mask = 0x07; 4066 data->speed_tolerance_limit = 63; 4067 4068 switch (data->kind) { 4069 default: 4070 case nct6798: 4071 data->temp_label = nct6798_temp_label; 4072 data->temp_mask = NCT6798_TEMP_MASK; 4073 data->virt_temp_mask = NCT6798_VIRT_TEMP_MASK; 4074 break; 4075 case nct6799: 4076 data->temp_label = nct6799_temp_label; 4077 data->temp_mask = NCT6799_TEMP_MASK; 4078 data->virt_temp_mask = NCT6799_VIRT_TEMP_MASK; 4079 break; 4080 } 4081 4082 data->REG_CONFIG = NCT6775_REG_CONFIG; 4083 data->REG_VBAT = NCT6775_REG_VBAT; 4084 data->REG_DIODE = NCT6775_REG_DIODE; 4085 data->DIODE_MASK = NCT6775_DIODE_MASK; 4086 data->REG_VIN = NCT6779_REG_IN; 4087 data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; 4088 data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; 4089 data->REG_TARGET = NCT6775_REG_TARGET; 4090 data->REG_FAN = NCT6779_REG_FAN; 4091 data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; 4092 data->REG_FAN_MIN = NCT6776_REG_FAN_MIN; 4093 data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES; 4094 data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT; 4095 data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; 4096 data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME; 4097 data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME; 4098 data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H; 4099 data->REG_PWM[0] = NCT6775_REG_PWM; 4100 data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; 4101 data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; 4102 data->REG_PWM[5] = NCT6791_REG_WEIGHT_DUTY_STEP; 4103 data->REG_PWM[6] = NCT6791_REG_WEIGHT_DUTY_BASE; 4104 data->REG_PWM_READ = NCT6775_REG_PWM_READ; 4105 data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; 4106 data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; 4107 data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; 4108 data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; 4109 data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; 4110 data->REG_CRITICAL_TEMP_TOLERANCE = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; 4111 data->REG_CRITICAL_PWM_ENABLE = NCT6779_REG_CRITICAL_PWM_ENABLE; 4112 data->CRITICAL_PWM_ENABLE_MASK = NCT6779_CRITICAL_PWM_ENABLE_MASK; 4113 data->REG_CRITICAL_PWM = NCT6779_REG_CRITICAL_PWM; 4114 data->REG_TEMP_OFFSET = NCT6779_REG_TEMP_OFFSET; 4115 data->REG_TEMP_SOURCE = NCT6798_REG_TEMP_SOURCE; 4116 data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; 4117 data->REG_WEIGHT_TEMP_SEL = NCT6791_REG_WEIGHT_TEMP_SEL; 4118 data->REG_WEIGHT_TEMP[0] = NCT6791_REG_WEIGHT_TEMP_STEP; 4119 data->REG_WEIGHT_TEMP[1] = NCT6791_REG_WEIGHT_TEMP_STEP_TOL; 4120 data->REG_WEIGHT_TEMP[2] = NCT6791_REG_WEIGHT_TEMP_BASE; 4121 data->REG_ALARM = NCT6799_REG_ALARM; 4122 data->REG_BEEP = NCT6792_REG_BEEP; 4123 data->REG_TSI_TEMP = NCT6796_REG_TSI_TEMP; 4124 num_reg_tsi_temp = ARRAY_SIZE(NCT6796_REG_TSI_TEMP); 4125 4126 reg_temp = NCT6798_REG_TEMP; 4127 num_reg_temp = ARRAY_SIZE(NCT6798_REG_TEMP); 4128 reg_temp_mon = NCT6798_REG_TEMP_MON; 4129 num_reg_temp_mon = ARRAY_SIZE(NCT6798_REG_TEMP_MON); 4130 reg_temp_over = NCT6798_REG_TEMP_OVER; 4131 reg_temp_hyst = NCT6798_REG_TEMP_HYST; 4132 reg_temp_config = NCT6779_REG_TEMP_CONFIG; 4133 num_reg_temp_config = ARRAY_SIZE(NCT6779_REG_TEMP_CONFIG); 4134 reg_temp_alternate = NCT6798_REG_TEMP_ALTERNATE; 4135 reg_temp_crit = NCT6798_REG_TEMP_CRIT; 4136 4137 break; 4138 default: 4139 return -ENODEV; 4140 } 4141 data->have_in = BIT(data->in_num) - 1; 4142 data->have_temp = 0; 4143 4144 /* 4145 * On some boards, not all available temperature sources are monitored, 4146 * even though some of the monitoring registers are unused. 4147 * Get list of unused monitoring registers, then detect if any fan 4148 * controls are configured to use unmonitored temperature sources. 4149 * If so, assign the unmonitored temperature sources to available 4150 * monitoring registers. 4151 */ 4152 mask = 0; 4153 available = 0; 4154 for (i = 0; i < num_reg_temp; i++) { 4155 if (reg_temp[i] == 0) 4156 continue; 4157 4158 err = nct6775_read_value(data, data->REG_TEMP_SOURCE[i], &src); 4159 if (err) 4160 return err; 4161 src &= 0x1f; 4162 if (!src || (mask & BIT(src))) 4163 available |= BIT(i); 4164 4165 mask |= BIT(src); 4166 } 4167 4168 /* 4169 * Now find unmonitored temperature registers and enable monitoring 4170 * if additional monitoring registers are available. 4171 */ 4172 err = add_temp_sensors(data, data->REG_TEMP_SEL, &available, &mask); 4173 if (err) 4174 return err; 4175 err = add_temp_sensors(data, data->REG_WEIGHT_TEMP_SEL, &available, &mask); 4176 if (err) 4177 return err; 4178 4179 mask = 0; 4180 s = NUM_TEMP_FIXED; /* First dynamic temperature attribute */ 4181 for (i = 0; i < num_reg_temp; i++) { 4182 if (reg_temp[i] == 0) 4183 continue; 4184 4185 err = nct6775_read_value(data, data->REG_TEMP_SOURCE[i], &src); 4186 if (err) 4187 return err; 4188 src &= 0x1f; 4189 if (!src || (mask & BIT(src))) 4190 continue; 4191 4192 if (!(data->temp_mask & BIT(src))) { 4193 dev_info(dev, 4194 "Invalid temperature source %d at index %d, source register 0x%x, temp register 0x%x\n", 4195 src, i, data->REG_TEMP_SOURCE[i], reg_temp[i]); 4196 continue; 4197 } 4198 4199 mask |= BIT(src); 4200 4201 /* Use fixed index for SYSTIN(1), CPUTIN(2), AUXTIN(3) */ 4202 if (src <= data->temp_fixed_num) { 4203 data->have_temp |= BIT(src - 1); 4204 data->have_temp_fixed |= BIT(src - 1); 4205 data->reg_temp[0][src - 1] = reg_temp[i]; 4206 data->reg_temp[1][src - 1] = reg_temp_over[i]; 4207 data->reg_temp[2][src - 1] = reg_temp_hyst[i]; 4208 if (reg_temp_crit_h && reg_temp_crit_h[i]) 4209 data->reg_temp[3][src - 1] = reg_temp_crit_h[i]; 4210 else if (reg_temp_crit[src - 1]) 4211 data->reg_temp[3][src - 1] 4212 = reg_temp_crit[src - 1]; 4213 if (reg_temp_crit_l && reg_temp_crit_l[i]) 4214 data->reg_temp[4][src - 1] = reg_temp_crit_l[i]; 4215 if (i < num_reg_temp_config) 4216 data->reg_temp_config[src - 1] = reg_temp_config[i]; 4217 data->temp_src[src - 1] = src; 4218 continue; 4219 } 4220 4221 if (s >= NUM_TEMP) 4222 continue; 4223 4224 /* Use dynamic index for other sources */ 4225 data->have_temp |= BIT(s); 4226 data->reg_temp[0][s] = reg_temp[i]; 4227 data->reg_temp[1][s] = reg_temp_over[i]; 4228 data->reg_temp[2][s] = reg_temp_hyst[i]; 4229 if (i < num_reg_temp_config) 4230 data->reg_temp_config[s] = reg_temp_config[i]; 4231 if (reg_temp_crit_h && reg_temp_crit_h[i]) 4232 data->reg_temp[3][s] = reg_temp_crit_h[i]; 4233 else if (reg_temp_crit[src - 1]) 4234 data->reg_temp[3][s] = reg_temp_crit[src - 1]; 4235 if (reg_temp_crit_l && reg_temp_crit_l[i]) 4236 data->reg_temp[4][s] = reg_temp_crit_l[i]; 4237 4238 data->temp_src[s] = src; 4239 s++; 4240 } 4241 4242 /* 4243 * Repeat with temperatures used for fan control. 4244 * This set of registers does not support limits. 4245 */ 4246 for (i = 0; i < num_reg_temp_mon; i++) { 4247 if (reg_temp_mon[i] == 0) 4248 continue; 4249 4250 err = nct6775_read_value(data, data->REG_TEMP_SEL[i], &src); 4251 if (err) 4252 return err; 4253 src &= 0x1f; 4254 if (!src) 4255 continue; 4256 4257 if (!(data->temp_mask & BIT(src))) { 4258 dev_info(dev, 4259 "Invalid temperature source %d at index %d, source register 0x%x, temp register 0x%x\n", 4260 src, i, data->REG_TEMP_SEL[i], 4261 reg_temp_mon[i]); 4262 continue; 4263 } 4264 4265 /* 4266 * For virtual temperature sources, the 'virtual' temperature 4267 * for each fan reflects a different temperature, and there 4268 * are no duplicates. 4269 */ 4270 if (!(data->virt_temp_mask & BIT(src))) { 4271 if (mask & BIT(src)) 4272 continue; 4273 mask |= BIT(src); 4274 } 4275 4276 /* Use fixed index for SYSTIN(1), CPUTIN(2), AUXTIN(3) */ 4277 if (src <= data->temp_fixed_num) { 4278 if (data->have_temp & BIT(src - 1)) 4279 continue; 4280 data->have_temp |= BIT(src - 1); 4281 data->have_temp_fixed |= BIT(src - 1); 4282 data->reg_temp[0][src - 1] = reg_temp_mon[i]; 4283 data->temp_src[src - 1] = src; 4284 continue; 4285 } 4286 4287 if (s >= NUM_TEMP) 4288 continue; 4289 4290 /* Use dynamic index for other sources */ 4291 data->have_temp |= BIT(s); 4292 data->reg_temp[0][s] = reg_temp_mon[i]; 4293 data->temp_src[s] = src; 4294 s++; 4295 } 4296 4297#ifdef USE_ALTERNATE 4298 /* 4299 * Go through the list of alternate temp registers and enable 4300 * if possible. 4301 * The temperature is already monitored if the respective bit in <mask> 4302 * is set. 4303 */ 4304 for (i = 0; i < 31; i++) { 4305 if (!(data->temp_mask & BIT(i + 1))) 4306 continue; 4307 if (!reg_temp_alternate[i]) 4308 continue; 4309 if (mask & BIT(i + 1)) 4310 continue; 4311 if (i < data->temp_fixed_num) { 4312 if (data->have_temp & BIT(i)) 4313 continue; 4314 data->have_temp |= BIT(i); 4315 data->have_temp_fixed |= BIT(i); 4316 data->reg_temp[0][i] = reg_temp_alternate[i]; 4317 if (i < num_reg_temp) { 4318 data->reg_temp[1][i] = reg_temp_over[i]; 4319 data->reg_temp[2][i] = reg_temp_hyst[i]; 4320 } 4321 data->temp_src[i] = i + 1; 4322 continue; 4323 } 4324 4325 if (s >= NUM_TEMP) /* Abort if no more space */ 4326 break; 4327 4328 data->have_temp |= BIT(s); 4329 data->reg_temp[0][s] = reg_temp_alternate[i]; 4330 data->temp_src[s] = i + 1; 4331 s++; 4332 } 4333#endif /* USE_ALTERNATE */ 4334 4335 /* Check which TSIx_TEMP registers are active */ 4336 for (i = 0; i < num_reg_tsi_temp; i++) { 4337 u16 tmp; 4338 4339 err = nct6775_read_value(data, data->REG_TSI_TEMP[i], &tmp); 4340 if (err) 4341 return err; 4342 if (tmp) 4343 data->have_tsi_temp |= BIT(i); 4344 } 4345 4346 /* Initialize the chip */ 4347 err = nct6775_init_device(data); 4348 if (err) 4349 return err; 4350 4351 if (data->driver_init) { 4352 err = data->driver_init(data); 4353 if (err) 4354 return err; 4355 } 4356 4357 /* Read fan clock dividers immediately */ 4358 err = nct6775_init_fan_common(dev, data); 4359 if (err) 4360 return err; 4361 4362 /* Register sysfs hooks */ 4363 err = nct6775_add_template_attr_group(dev, data, &nct6775_pwm_template_group, 4364 data->pwm_num); 4365 if (err) 4366 return err; 4367 4368 err = nct6775_add_template_attr_group(dev, data, &nct6775_in_template_group, 4369 fls(data->have_in)); 4370 if (err) 4371 return err; 4372 4373 err = nct6775_add_template_attr_group(dev, data, &nct6775_fan_template_group, 4374 fls(data->has_fan)); 4375 if (err) 4376 return err; 4377 4378 err = nct6775_add_template_attr_group(dev, data, &nct6775_temp_template_group, 4379 fls(data->have_temp)); 4380 if (err) 4381 return err; 4382 4383 if (data->have_tsi_temp) { 4384 tsi_temp_tg.templates = nct6775_tsi_temp_template; 4385 tsi_temp_tg.is_visible = nct6775_tsi_temp_is_visible; 4386 tsi_temp_tg.base = fls(data->have_temp) + 1; 4387 err = nct6775_add_template_attr_group(dev, data, &tsi_temp_tg, 4388 fls(data->have_tsi_temp)); 4389 if (err) 4390 return err; 4391 } 4392 4393 hwmon_dev = devm_hwmon_device_register_with_groups(dev, data->name, 4394 data, data->groups); 4395 return PTR_ERR_OR_ZERO(hwmon_dev); 4396} 4397EXPORT_SYMBOL_GPL(nct6775_probe); 4398 4399MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>"); 4400MODULE_DESCRIPTION("Core driver for NCT6775F and compatible chips"); 4401MODULE_LICENSE("GPL"); 4402