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- // SPDX-License-Identifier: GPL-2.0-or-later
- /*
- * nct6775 - Driver for the hardware monitoring functionality of
- * Nuvoton NCT677x Super-I/O chips
- *
- * Copyright (C) 2012 Guenter Roeck <[email protected]>
- *
- * Derived from w83627ehf driver
- * Copyright (C) 2005-2012 Jean Delvare <[email protected]>
- * Copyright (C) 2006 Yuan Mu (Winbond),
- * Rudolf Marek <[email protected]>
- * David Hubbard <[email protected]>
- * Daniel J Blueman <[email protected]>
- * Copyright (C) 2010 Sheng-Yuan Huang (Nuvoton) (PS00)
- *
- * Shamelessly ripped from the w83627hf driver
- * Copyright (C) 2003 Mark Studebaker
- *
- * Supports the following chips:
- *
- * Chip #vin #fan #pwm #temp chip IDs man ID
- * nct6106d 9 3 3 6+3 0xc450 0xc1 0x5ca3
- * nct6116d 9 5 5 3+3 0xd280 0xc1 0x5ca3
- * nct6775f 9 4 3 6+3 0xb470 0xc1 0x5ca3
- * nct6776f 9 5 3 6+3 0xc330 0xc1 0x5ca3
- * nct6779d 15 5 5 2+6 0xc560 0xc1 0x5ca3
- * nct6791d 15 6 6 2+6 0xc800 0xc1 0x5ca3
- * nct6792d 15 6 6 2+6 0xc910 0xc1 0x5ca3
- * nct6793d 15 6 6 2+6 0xd120 0xc1 0x5ca3
- * nct6795d 14 6 6 2+6 0xd350 0xc1 0x5ca3
- * nct6796d 14 7 7 2+6 0xd420 0xc1 0x5ca3
- * nct6797d 14 7 7 2+6 0xd450 0xc1 0x5ca3
- * (0xd451)
- * nct6798d 14 7 7 2+6 0xd428 0xc1 0x5ca3
- * (0xd429)
- *
- * #temp lists the number of monitored temperature sources (first value) plus
- * the number of directly connectable temperature sensors (second value).
- */
- #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
- #include <linux/module.h>
- #include <linux/init.h>
- #include <linux/slab.h>
- #include <linux/jiffies.h>
- #include <linux/hwmon.h>
- #include <linux/hwmon-sysfs.h>
- #include <linux/err.h>
- #include <linux/mutex.h>
- #include <linux/bitops.h>
- #include <linux/nospec.h>
- #include <linux/regmap.h>
- #include "lm75.h"
- #include "nct6775.h"
- #undef DEFAULT_SYMBOL_NAMESPACE
- #define DEFAULT_SYMBOL_NAMESPACE HWMON_NCT6775
- #define USE_ALTERNATE
- /* used to set data->name = nct6775_device_names[data->sio_kind] */
- static const char * const nct6775_device_names[] = {
- "nct6106",
- "nct6116",
- "nct6775",
- "nct6776",
- "nct6779",
- "nct6791",
- "nct6792",
- "nct6793",
- "nct6795",
- "nct6796",
- "nct6797",
- "nct6798",
- };
- /* Common and NCT6775 specific data */
- /* Voltage min/max registers for nr=7..14 are in bank 5 */
- static const u16 NCT6775_REG_IN_MAX[] = {
- 0x2b, 0x2d, 0x2f, 0x31, 0x33, 0x35, 0x37, 0x554, 0x556, 0x558, 0x55a,
- 0x55c, 0x55e, 0x560, 0x562 };
- static const u16 NCT6775_REG_IN_MIN[] = {
- 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x555, 0x557, 0x559, 0x55b,
- 0x55d, 0x55f, 0x561, 0x563 };
- static const u16 NCT6775_REG_IN[] = {
- 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x550, 0x551, 0x552
- };
- #define NCT6775_REG_VBAT 0x5D
- #define NCT6775_REG_DIODE 0x5E
- #define NCT6775_DIODE_MASK 0x02
- static const u16 NCT6775_REG_ALARM[NUM_REG_ALARM] = { 0x459, 0x45A, 0x45B };
- /* 0..15 voltages, 16..23 fans, 24..29 temperatures, 30..31 intrusion */
- static const s8 NCT6775_ALARM_BITS[] = {
- 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */
- 17, -1, -1, -1, -1, -1, -1, /* in8..in14 */
- -1, /* unused */
- 6, 7, 11, -1, -1, /* fan1..fan5 */
- -1, -1, -1, /* unused */
- 4, 5, 13, -1, -1, -1, /* temp1..temp6 */
- 12, -1 }; /* intrusion0, intrusion1 */
- static const u16 NCT6775_REG_BEEP[NUM_REG_BEEP] = { 0x56, 0x57, 0x453, 0x4e };
- /*
- * 0..14 voltages, 15 global beep enable, 16..23 fans, 24..29 temperatures,
- * 30..31 intrusion
- */
- static const s8 NCT6775_BEEP_BITS[] = {
- 0, 1, 2, 3, 8, 9, 10, 16, /* in0.. in7 */
- 17, -1, -1, -1, -1, -1, -1, /* in8..in14 */
- 21, /* global beep enable */
- 6, 7, 11, 28, -1, /* fan1..fan5 */
- -1, -1, -1, /* unused */
- 4, 5, 13, -1, -1, -1, /* temp1..temp6 */
- 12, -1 }; /* intrusion0, intrusion1 */
- /* DC or PWM output fan configuration */
- static const u8 NCT6775_REG_PWM_MODE[] = { 0x04, 0x04, 0x12 };
- static const u8 NCT6775_PWM_MODE_MASK[] = { 0x01, 0x02, 0x01 };
- /* Advanced Fan control, some values are common for all fans */
- static const u16 NCT6775_REG_TARGET[] = {
- 0x101, 0x201, 0x301, 0x801, 0x901, 0xa01, 0xb01 };
- static const u16 NCT6775_REG_FAN_MODE[] = {
- 0x102, 0x202, 0x302, 0x802, 0x902, 0xa02, 0xb02 };
- static const u16 NCT6775_REG_FAN_STEP_DOWN_TIME[] = {
- 0x103, 0x203, 0x303, 0x803, 0x903, 0xa03, 0xb03 };
- static const u16 NCT6775_REG_FAN_STEP_UP_TIME[] = {
- 0x104, 0x204, 0x304, 0x804, 0x904, 0xa04, 0xb04 };
- static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = {
- 0x105, 0x205, 0x305, 0x805, 0x905, 0xa05, 0xb05 };
- static const u16 NCT6775_REG_FAN_START_OUTPUT[] = {
- 0x106, 0x206, 0x306, 0x806, 0x906, 0xa06, 0xb06 };
- static const u16 NCT6775_REG_FAN_MAX_OUTPUT[] = { 0x10a, 0x20a, 0x30a };
- static const u16 NCT6775_REG_FAN_STEP_OUTPUT[] = { 0x10b, 0x20b, 0x30b };
- static const u16 NCT6775_REG_FAN_STOP_TIME[] = {
- 0x107, 0x207, 0x307, 0x807, 0x907, 0xa07, 0xb07 };
- static const u16 NCT6775_REG_PWM[] = {
- 0x109, 0x209, 0x309, 0x809, 0x909, 0xa09, 0xb09 };
- static const u16 NCT6775_REG_PWM_READ[] = {
- 0x01, 0x03, 0x11, 0x13, 0x15, 0xa09, 0xb09 };
- static const u16 NCT6775_REG_FAN[] = { 0x630, 0x632, 0x634, 0x636, 0x638 };
- static const u16 NCT6775_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d };
- static const u16 NCT6775_REG_FAN_PULSES[NUM_FAN] = {
- 0x641, 0x642, 0x643, 0x644 };
- static const u16 NCT6775_FAN_PULSE_SHIFT[NUM_FAN] = { };
- static const u16 NCT6775_REG_TEMP[] = {
- 0x27, 0x150, 0x250, 0x62b, 0x62c, 0x62d };
- static const u16 NCT6775_REG_TEMP_MON[] = { 0x73, 0x75, 0x77 };
- static const u16 NCT6775_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6775_REG_TEMP)] = {
- 0, 0x152, 0x252, 0x628, 0x629, 0x62A };
- static const u16 NCT6775_REG_TEMP_HYST[ARRAY_SIZE(NCT6775_REG_TEMP)] = {
- 0x3a, 0x153, 0x253, 0x673, 0x678, 0x67D };
- static const u16 NCT6775_REG_TEMP_OVER[ARRAY_SIZE(NCT6775_REG_TEMP)] = {
- 0x39, 0x155, 0x255, 0x672, 0x677, 0x67C };
- static const u16 NCT6775_REG_TEMP_SOURCE[ARRAY_SIZE(NCT6775_REG_TEMP)] = {
- 0x621, 0x622, 0x623, 0x624, 0x625, 0x626 };
- static const u16 NCT6775_REG_TEMP_SEL[] = {
- 0x100, 0x200, 0x300, 0x800, 0x900, 0xa00, 0xb00 };
- static const u16 NCT6775_REG_WEIGHT_TEMP_SEL[] = {
- 0x139, 0x239, 0x339, 0x839, 0x939, 0xa39 };
- static const u16 NCT6775_REG_WEIGHT_TEMP_STEP[] = {
- 0x13a, 0x23a, 0x33a, 0x83a, 0x93a, 0xa3a };
- static const u16 NCT6775_REG_WEIGHT_TEMP_STEP_TOL[] = {
- 0x13b, 0x23b, 0x33b, 0x83b, 0x93b, 0xa3b };
- static const u16 NCT6775_REG_WEIGHT_DUTY_STEP[] = {
- 0x13c, 0x23c, 0x33c, 0x83c, 0x93c, 0xa3c };
- static const u16 NCT6775_REG_WEIGHT_TEMP_BASE[] = {
- 0x13d, 0x23d, 0x33d, 0x83d, 0x93d, 0xa3d };
- static const u16 NCT6775_REG_TEMP_OFFSET[] = { 0x454, 0x455, 0x456 };
- static const u16 NCT6775_REG_AUTO_TEMP[] = {
- 0x121, 0x221, 0x321, 0x821, 0x921, 0xa21, 0xb21 };
- static const u16 NCT6775_REG_AUTO_PWM[] = {
- 0x127, 0x227, 0x327, 0x827, 0x927, 0xa27, 0xb27 };
- #define NCT6775_AUTO_TEMP(data, nr, p) ((data)->REG_AUTO_TEMP[nr] + (p))
- #define NCT6775_AUTO_PWM(data, nr, p) ((data)->REG_AUTO_PWM[nr] + (p))
- static const u16 NCT6775_REG_CRITICAL_ENAB[] = { 0x134, 0x234, 0x334 };
- static const u16 NCT6775_REG_CRITICAL_TEMP[] = {
- 0x135, 0x235, 0x335, 0x835, 0x935, 0xa35, 0xb35 };
- static const u16 NCT6775_REG_CRITICAL_TEMP_TOLERANCE[] = {
- 0x138, 0x238, 0x338, 0x838, 0x938, 0xa38, 0xb38 };
- static const char *const nct6775_temp_label[] = {
- "",
- "SYSTIN",
- "CPUTIN",
- "AUXTIN",
- "AMD SB-TSI",
- "PECI Agent 0",
- "PECI Agent 1",
- "PECI Agent 2",
- "PECI Agent 3",
- "PECI Agent 4",
- "PECI Agent 5",
- "PECI Agent 6",
- "PECI Agent 7",
- "PCH_CHIP_CPU_MAX_TEMP",
- "PCH_CHIP_TEMP",
- "PCH_CPU_TEMP",
- "PCH_MCH_TEMP",
- "PCH_DIM0_TEMP",
- "PCH_DIM1_TEMP",
- "PCH_DIM2_TEMP",
- "PCH_DIM3_TEMP"
- };
- #define NCT6775_TEMP_MASK 0x001ffffe
- #define NCT6775_VIRT_TEMP_MASK 0x00000000
- static const u16 NCT6775_REG_TEMP_ALTERNATE[32] = {
- [13] = 0x661,
- [14] = 0x662,
- [15] = 0x664,
- };
- static const u16 NCT6775_REG_TEMP_CRIT[32] = {
- [4] = 0xa00,
- [5] = 0xa01,
- [6] = 0xa02,
- [7] = 0xa03,
- [8] = 0xa04,
- [9] = 0xa05,
- [10] = 0xa06,
- [11] = 0xa07
- };
- static const u16 NCT6775_REG_TSI_TEMP[] = { 0x669 };
- /* NCT6776 specific data */
- /* STEP_UP_TIME and STEP_DOWN_TIME regs are swapped for all chips but NCT6775 */
- #define NCT6776_REG_FAN_STEP_UP_TIME NCT6775_REG_FAN_STEP_DOWN_TIME
- #define NCT6776_REG_FAN_STEP_DOWN_TIME NCT6775_REG_FAN_STEP_UP_TIME
- static const s8 NCT6776_ALARM_BITS[] = {
- 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */
- 17, -1, -1, -1, -1, -1, -1, /* in8..in14 */
- -1, /* unused */
- 6, 7, 11, 10, 23, /* fan1..fan5 */
- -1, -1, -1, /* unused */
- 4, 5, 13, -1, -1, -1, /* temp1..temp6 */
- 12, 9 }; /* intrusion0, intrusion1 */
- static const u16 NCT6776_REG_BEEP[NUM_REG_BEEP] = { 0xb2, 0xb3, 0xb4, 0xb5 };
- static const s8 NCT6776_BEEP_BITS[] = {
- 0, 1, 2, 3, 4, 5, 6, 7, /* in0.. in7 */
- 8, -1, -1, -1, -1, -1, -1, /* in8..in14 */
- 24, /* global beep enable */
- 25, 26, 27, 28, 29, /* fan1..fan5 */
- -1, -1, -1, /* unused */
- 16, 17, 18, 19, 20, 21, /* temp1..temp6 */
- 30, 31 }; /* intrusion0, intrusion1 */
- static const u16 NCT6776_REG_TOLERANCE_H[] = {
- 0x10c, 0x20c, 0x30c, 0x80c, 0x90c, 0xa0c, 0xb0c };
- static const u8 NCT6776_REG_PWM_MODE[] = { 0x04, 0, 0, 0, 0, 0 };
- static const u8 NCT6776_PWM_MODE_MASK[] = { 0x01, 0, 0, 0, 0, 0 };
- static const u16 NCT6776_REG_FAN_MIN[] = {
- 0x63a, 0x63c, 0x63e, 0x640, 0x642, 0x64a, 0x64c };
- static const u16 NCT6776_REG_FAN_PULSES[NUM_FAN] = {
- 0x644, 0x645, 0x646, 0x647, 0x648, 0x649 };
- static const u16 NCT6776_REG_WEIGHT_DUTY_BASE[] = {
- 0x13e, 0x23e, 0x33e, 0x83e, 0x93e, 0xa3e };
- static const u16 NCT6776_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6775_REG_TEMP)] = {
- 0x18, 0x152, 0x252, 0x628, 0x629, 0x62A };
- static const char *const nct6776_temp_label[] = {
- "",
- "SYSTIN",
- "CPUTIN",
- "AUXTIN",
- "SMBUSMASTER 0",
- "SMBUSMASTER 1",
- "SMBUSMASTER 2",
- "SMBUSMASTER 3",
- "SMBUSMASTER 4",
- "SMBUSMASTER 5",
- "SMBUSMASTER 6",
- "SMBUSMASTER 7",
- "PECI Agent 0",
- "PECI Agent 1",
- "PCH_CHIP_CPU_MAX_TEMP",
- "PCH_CHIP_TEMP",
- "PCH_CPU_TEMP",
- "PCH_MCH_TEMP",
- "PCH_DIM0_TEMP",
- "PCH_DIM1_TEMP",
- "PCH_DIM2_TEMP",
- "PCH_DIM3_TEMP",
- "BYTE_TEMP"
- };
- #define NCT6776_TEMP_MASK 0x007ffffe
- #define NCT6776_VIRT_TEMP_MASK 0x00000000
- static const u16 NCT6776_REG_TEMP_ALTERNATE[32] = {
- [14] = 0x401,
- [15] = 0x402,
- [16] = 0x404,
- };
- static const u16 NCT6776_REG_TEMP_CRIT[32] = {
- [11] = 0x709,
- [12] = 0x70a,
- };
- static const u16 NCT6776_REG_TSI_TEMP[] = {
- 0x409, 0x40b, 0x40d, 0x40f, 0x411, 0x413, 0x415, 0x417 };
- /* NCT6779 specific data */
- static const u16 NCT6779_REG_IN[] = {
- 0x480, 0x481, 0x482, 0x483, 0x484, 0x485, 0x486, 0x487,
- 0x488, 0x489, 0x48a, 0x48b, 0x48c, 0x48d, 0x48e };
- static const u16 NCT6779_REG_ALARM[NUM_REG_ALARM] = {
- 0x459, 0x45A, 0x45B, 0x568 };
- static const s8 NCT6779_ALARM_BITS[] = {
- 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */
- 17, 24, 25, 26, 27, 28, 29, /* in8..in14 */
- -1, /* unused */
- 6, 7, 11, 10, 23, /* fan1..fan5 */
- -1, -1, -1, /* unused */
- 4, 5, 13, -1, -1, -1, /* temp1..temp6 */
- 12, 9 }; /* intrusion0, intrusion1 */
- static const s8 NCT6779_BEEP_BITS[] = {
- 0, 1, 2, 3, 4, 5, 6, 7, /* in0.. in7 */
- 8, 9, 10, 11, 12, 13, 14, /* in8..in14 */
- 24, /* global beep enable */
- 25, 26, 27, 28, 29, /* fan1..fan5 */
- -1, -1, -1, /* unused */
- 16, 17, -1, -1, -1, -1, /* temp1..temp6 */
- 30, 31 }; /* intrusion0, intrusion1 */
- static const u16 NCT6779_REG_FAN[] = {
- 0x4c0, 0x4c2, 0x4c4, 0x4c6, 0x4c8, 0x4ca, 0x4ce };
- static const u16 NCT6779_REG_FAN_PULSES[NUM_FAN] = {
- 0x644, 0x645, 0x646, 0x647, 0x648, 0x649, 0x64f };
- static const u16 NCT6779_REG_CRITICAL_PWM_ENABLE[] = {
- 0x136, 0x236, 0x336, 0x836, 0x936, 0xa36, 0xb36 };
- #define NCT6779_CRITICAL_PWM_ENABLE_MASK 0x01
- static const u16 NCT6779_REG_CRITICAL_PWM[] = {
- 0x137, 0x237, 0x337, 0x837, 0x937, 0xa37, 0xb37 };
- static const u16 NCT6779_REG_TEMP[] = { 0x27, 0x150 };
- static const u16 NCT6779_REG_TEMP_MON[] = { 0x73, 0x75, 0x77, 0x79, 0x7b };
- static const u16 NCT6779_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6779_REG_TEMP)] = {
- 0x18, 0x152 };
- static const u16 NCT6779_REG_TEMP_HYST[ARRAY_SIZE(NCT6779_REG_TEMP)] = {
- 0x3a, 0x153 };
- static const u16 NCT6779_REG_TEMP_OVER[ARRAY_SIZE(NCT6779_REG_TEMP)] = {
- 0x39, 0x155 };
- static const u16 NCT6779_REG_TEMP_OFFSET[] = {
- 0x454, 0x455, 0x456, 0x44a, 0x44b, 0x44c };
- static const char *const nct6779_temp_label[] = {
- "",
- "SYSTIN",
- "CPUTIN",
- "AUXTIN0",
- "AUXTIN1",
- "AUXTIN2",
- "AUXTIN3",
- "",
- "SMBUSMASTER 0",
- "SMBUSMASTER 1",
- "SMBUSMASTER 2",
- "SMBUSMASTER 3",
- "SMBUSMASTER 4",
- "SMBUSMASTER 5",
- "SMBUSMASTER 6",
- "SMBUSMASTER 7",
- "PECI Agent 0",
- "PECI Agent 1",
- "PCH_CHIP_CPU_MAX_TEMP",
- "PCH_CHIP_TEMP",
- "PCH_CPU_TEMP",
- "PCH_MCH_TEMP",
- "PCH_DIM0_TEMP",
- "PCH_DIM1_TEMP",
- "PCH_DIM2_TEMP",
- "PCH_DIM3_TEMP",
- "BYTE_TEMP",
- "",
- "",
- "",
- "",
- "Virtual_TEMP"
- };
- #define NCT6779_TEMP_MASK 0x07ffff7e
- #define NCT6779_VIRT_TEMP_MASK 0x00000000
- #define NCT6791_TEMP_MASK 0x87ffff7e
- #define NCT6791_VIRT_TEMP_MASK 0x80000000
- static const u16 NCT6779_REG_TEMP_ALTERNATE[32]
- = { 0x490, 0x491, 0x492, 0x493, 0x494, 0x495, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0x400, 0x401, 0x402, 0x404, 0x405, 0x406, 0x407,
- 0x408, 0 };
- static const u16 NCT6779_REG_TEMP_CRIT[32] = {
- [15] = 0x709,
- [16] = 0x70a,
- };
- /* NCT6791 specific data */
- static const u16 NCT6791_REG_WEIGHT_TEMP_SEL[NUM_FAN] = { 0, 0x239 };
- static const u16 NCT6791_REG_WEIGHT_TEMP_STEP[NUM_FAN] = { 0, 0x23a };
- static const u16 NCT6791_REG_WEIGHT_TEMP_STEP_TOL[NUM_FAN] = { 0, 0x23b };
- static const u16 NCT6791_REG_WEIGHT_DUTY_STEP[NUM_FAN] = { 0, 0x23c };
- static const u16 NCT6791_REG_WEIGHT_TEMP_BASE[NUM_FAN] = { 0, 0x23d };
- static const u16 NCT6791_REG_WEIGHT_DUTY_BASE[NUM_FAN] = { 0, 0x23e };
- static const u16 NCT6791_REG_ALARM[NUM_REG_ALARM] = {
- 0x459, 0x45A, 0x45B, 0x568, 0x45D };
- static const s8 NCT6791_ALARM_BITS[] = {
- 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */
- 17, 24, 25, 26, 27, 28, 29, /* in8..in14 */
- -1, /* unused */
- 6, 7, 11, 10, 23, 33, /* fan1..fan6 */
- -1, -1, /* unused */
- 4, 5, 13, -1, -1, -1, /* temp1..temp6 */
- 12, 9 }; /* intrusion0, intrusion1 */
- /* NCT6792/NCT6793 specific data */
- static const u16 NCT6792_REG_TEMP_MON[] = {
- 0x73, 0x75, 0x77, 0x79, 0x7b, 0x7d };
- static const u16 NCT6792_REG_BEEP[NUM_REG_BEEP] = {
- 0xb2, 0xb3, 0xb4, 0xb5, 0xbf };
- static const char *const nct6792_temp_label[] = {
- "",
- "SYSTIN",
- "CPUTIN",
- "AUXTIN0",
- "AUXTIN1",
- "AUXTIN2",
- "AUXTIN3",
- "",
- "SMBUSMASTER 0",
- "SMBUSMASTER 1",
- "SMBUSMASTER 2",
- "SMBUSMASTER 3",
- "SMBUSMASTER 4",
- "SMBUSMASTER 5",
- "SMBUSMASTER 6",
- "SMBUSMASTER 7",
- "PECI Agent 0",
- "PECI Agent 1",
- "PCH_CHIP_CPU_MAX_TEMP",
- "PCH_CHIP_TEMP",
- "PCH_CPU_TEMP",
- "PCH_MCH_TEMP",
- "PCH_DIM0_TEMP",
- "PCH_DIM1_TEMP",
- "PCH_DIM2_TEMP",
- "PCH_DIM3_TEMP",
- "BYTE_TEMP",
- "PECI Agent 0 Calibration",
- "PECI Agent 1 Calibration",
- "",
- "",
- "Virtual_TEMP"
- };
- #define NCT6792_TEMP_MASK 0x9fffff7e
- #define NCT6792_VIRT_TEMP_MASK 0x80000000
- static const char *const nct6793_temp_label[] = {
- "",
- "SYSTIN",
- "CPUTIN",
- "AUXTIN0",
- "AUXTIN1",
- "AUXTIN2",
- "AUXTIN3",
- "",
- "SMBUSMASTER 0",
- "SMBUSMASTER 1",
- "",
- "",
- "",
- "",
- "",
- "",
- "PECI Agent 0",
- "PECI Agent 1",
- "PCH_CHIP_CPU_MAX_TEMP",
- "PCH_CHIP_TEMP",
- "PCH_CPU_TEMP",
- "PCH_MCH_TEMP",
- "Agent0 Dimm0 ",
- "Agent0 Dimm1",
- "Agent1 Dimm0",
- "Agent1 Dimm1",
- "BYTE_TEMP0",
- "BYTE_TEMP1",
- "PECI Agent 0 Calibration",
- "PECI Agent 1 Calibration",
- "",
- "Virtual_TEMP"
- };
- #define NCT6793_TEMP_MASK 0xbfff037e
- #define NCT6793_VIRT_TEMP_MASK 0x80000000
- static const char *const nct6795_temp_label[] = {
- "",
- "SYSTIN",
- "CPUTIN",
- "AUXTIN0",
- "AUXTIN1",
- "AUXTIN2",
- "AUXTIN3",
- "",
- "SMBUSMASTER 0",
- "SMBUSMASTER 1",
- "SMBUSMASTER 2",
- "SMBUSMASTER 3",
- "SMBUSMASTER 4",
- "SMBUSMASTER 5",
- "SMBUSMASTER 6",
- "SMBUSMASTER 7",
- "PECI Agent 0",
- "PECI Agent 1",
- "PCH_CHIP_CPU_MAX_TEMP",
- "PCH_CHIP_TEMP",
- "PCH_CPU_TEMP",
- "PCH_MCH_TEMP",
- "Agent0 Dimm0",
- "Agent0 Dimm1",
- "Agent1 Dimm0",
- "Agent1 Dimm1",
- "BYTE_TEMP0",
- "BYTE_TEMP1",
- "PECI Agent 0 Calibration",
- "PECI Agent 1 Calibration",
- "",
- "Virtual_TEMP"
- };
- #define NCT6795_TEMP_MASK 0xbfffff7e
- #define NCT6795_VIRT_TEMP_MASK 0x80000000
- static const char *const nct6796_temp_label[] = {
- "",
- "SYSTIN",
- "CPUTIN",
- "AUXTIN0",
- "AUXTIN1",
- "AUXTIN2",
- "AUXTIN3",
- "AUXTIN4",
- "SMBUSMASTER 0",
- "SMBUSMASTER 1",
- "Virtual_TEMP",
- "Virtual_TEMP",
- "",
- "",
- "",
- "",
- "PECI Agent 0",
- "PECI Agent 1",
- "PCH_CHIP_CPU_MAX_TEMP",
- "PCH_CHIP_TEMP",
- "PCH_CPU_TEMP",
- "PCH_MCH_TEMP",
- "Agent0 Dimm0",
- "Agent0 Dimm1",
- "Agent1 Dimm0",
- "Agent1 Dimm1",
- "BYTE_TEMP0",
- "BYTE_TEMP1",
- "PECI Agent 0 Calibration",
- "PECI Agent 1 Calibration",
- "",
- "Virtual_TEMP"
- };
- #define NCT6796_TEMP_MASK 0xbfff0ffe
- #define NCT6796_VIRT_TEMP_MASK 0x80000c00
- static const u16 NCT6796_REG_TSI_TEMP[] = { 0x409, 0x40b };
- static const char *const nct6798_temp_label[] = {
- "",
- "SYSTIN",
- "CPUTIN",
- "AUXTIN0",
- "AUXTIN1",
- "AUXTIN2",
- "AUXTIN3",
- "AUXTIN4",
- "SMBUSMASTER 0",
- "SMBUSMASTER 1",
- "Virtual_TEMP",
- "Virtual_TEMP",
- "",
- "",
- "",
- "",
- "PECI Agent 0",
- "PECI Agent 1",
- "PCH_CHIP_CPU_MAX_TEMP",
- "PCH_CHIP_TEMP",
- "PCH_CPU_TEMP",
- "PCH_MCH_TEMP",
- "Agent0 Dimm0",
- "Agent0 Dimm1",
- "Agent1 Dimm0",
- "Agent1 Dimm1",
- "BYTE_TEMP0",
- "BYTE_TEMP1",
- "PECI Agent 0 Calibration", /* undocumented */
- "PECI Agent 1 Calibration", /* undocumented */
- "",
- "Virtual_TEMP"
- };
- #define NCT6798_TEMP_MASK 0xbfff0ffe
- #define NCT6798_VIRT_TEMP_MASK 0x80000c00
- /* NCT6102D/NCT6106D specific data */
- #define NCT6106_REG_VBAT 0x318
- #define NCT6106_REG_DIODE 0x319
- #define NCT6106_DIODE_MASK 0x01
- static const u16 NCT6106_REG_IN_MAX[] = {
- 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9e, 0xa0, 0xa2 };
- static const u16 NCT6106_REG_IN_MIN[] = {
- 0x91, 0x93, 0x95, 0x97, 0x99, 0x9b, 0x9f, 0xa1, 0xa3 };
- static const u16 NCT6106_REG_IN[] = {
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x07, 0x08, 0x09 };
- static const u16 NCT6106_REG_TEMP[] = { 0x10, 0x11, 0x12, 0x13, 0x14, 0x15 };
- static const u16 NCT6106_REG_TEMP_MON[] = { 0x18, 0x19, 0x1a };
- static const u16 NCT6106_REG_TEMP_HYST[] = {
- 0xc3, 0xc7, 0xcb, 0xcf, 0xd3, 0xd7 };
- static const u16 NCT6106_REG_TEMP_OVER[] = {
- 0xc2, 0xc6, 0xca, 0xce, 0xd2, 0xd6 };
- static const u16 NCT6106_REG_TEMP_CRIT_L[] = {
- 0xc0, 0xc4, 0xc8, 0xcc, 0xd0, 0xd4 };
- static const u16 NCT6106_REG_TEMP_CRIT_H[] = {
- 0xc1, 0xc5, 0xc9, 0xcf, 0xd1, 0xd5 };
- static const u16 NCT6106_REG_TEMP_OFFSET[] = { 0x311, 0x312, 0x313 };
- static const u16 NCT6106_REG_TEMP_CONFIG[] = {
- 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc };
- static const u16 NCT6106_REG_FAN[] = { 0x20, 0x22, 0x24 };
- static const u16 NCT6106_REG_FAN_MIN[] = { 0xe0, 0xe2, 0xe4 };
- static const u16 NCT6106_REG_FAN_PULSES[] = { 0xf6, 0xf6, 0xf6 };
- static const u16 NCT6106_FAN_PULSE_SHIFT[] = { 0, 2, 4 };
- static const u8 NCT6106_REG_PWM_MODE[] = { 0xf3, 0xf3, 0xf3 };
- static const u8 NCT6106_PWM_MODE_MASK[] = { 0x01, 0x02, 0x04 };
- static const u16 NCT6106_REG_PWM_READ[] = { 0x4a, 0x4b, 0x4c };
- static const u16 NCT6106_REG_FAN_MODE[] = { 0x113, 0x123, 0x133 };
- static const u16 NCT6106_REG_TEMP_SOURCE[] = {
- 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5 };
- static const u16 NCT6106_REG_CRITICAL_TEMP[] = { 0x11a, 0x12a, 0x13a };
- static const u16 NCT6106_REG_CRITICAL_TEMP_TOLERANCE[] = {
- 0x11b, 0x12b, 0x13b };
- static const u16 NCT6106_REG_CRITICAL_PWM_ENABLE[] = { 0x11c, 0x12c, 0x13c };
- #define NCT6106_CRITICAL_PWM_ENABLE_MASK 0x10
- static const u16 NCT6106_REG_CRITICAL_PWM[] = { 0x11d, 0x12d, 0x13d };
- static const u16 NCT6106_REG_FAN_STEP_UP_TIME[] = { 0x114, 0x124, 0x134 };
- static const u16 NCT6106_REG_FAN_STEP_DOWN_TIME[] = { 0x115, 0x125, 0x135 };
- static const u16 NCT6106_REG_FAN_STOP_OUTPUT[] = { 0x116, 0x126, 0x136 };
- static const u16 NCT6106_REG_FAN_START_OUTPUT[] = { 0x117, 0x127, 0x137 };
- static const u16 NCT6106_REG_FAN_STOP_TIME[] = { 0x118, 0x128, 0x138 };
- static const u16 NCT6106_REG_TOLERANCE_H[] = { 0x112, 0x122, 0x132 };
- static const u16 NCT6106_REG_TARGET[] = { 0x111, 0x121, 0x131 };
- static const u16 NCT6106_REG_WEIGHT_TEMP_SEL[] = { 0x168, 0x178, 0x188 };
- static const u16 NCT6106_REG_WEIGHT_TEMP_STEP[] = { 0x169, 0x179, 0x189 };
- static const u16 NCT6106_REG_WEIGHT_TEMP_STEP_TOL[] = { 0x16a, 0x17a, 0x18a };
- static const u16 NCT6106_REG_WEIGHT_DUTY_STEP[] = { 0x16b, 0x17b, 0x18b };
- static const u16 NCT6106_REG_WEIGHT_TEMP_BASE[] = { 0x16c, 0x17c, 0x18c };
- static const u16 NCT6106_REG_WEIGHT_DUTY_BASE[] = { 0x16d, 0x17d, 0x18d };
- static const u16 NCT6106_REG_AUTO_TEMP[] = { 0x160, 0x170, 0x180 };
- static const u16 NCT6106_REG_AUTO_PWM[] = { 0x164, 0x174, 0x184 };
- static const u16 NCT6106_REG_ALARM[NUM_REG_ALARM] = {
- 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d };
- static const s8 NCT6106_ALARM_BITS[] = {
- 0, 1, 2, 3, 4, 5, 7, 8, /* in0.. in7 */
- 9, -1, -1, -1, -1, -1, -1, /* in8..in14 */
- -1, /* unused */
- 32, 33, 34, -1, -1, /* fan1..fan5 */
- -1, -1, -1, /* unused */
- 16, 17, 18, 19, 20, 21, /* temp1..temp6 */
- 48, -1 /* intrusion0, intrusion1 */
- };
- static const u16 NCT6106_REG_BEEP[NUM_REG_BEEP] = {
- 0x3c0, 0x3c1, 0x3c2, 0x3c3, 0x3c4 };
- static const s8 NCT6106_BEEP_BITS[] = {
- 0, 1, 2, 3, 4, 5, 7, 8, /* in0.. in7 */
- 9, 10, 11, 12, -1, -1, -1, /* in8..in14 */
- 32, /* global beep enable */
- 24, 25, 26, 27, 28, /* fan1..fan5 */
- -1, -1, -1, /* unused */
- 16, 17, 18, 19, 20, 21, /* temp1..temp6 */
- 34, -1 /* intrusion0, intrusion1 */
- };
- static const u16 NCT6106_REG_TEMP_ALTERNATE[32] = {
- [14] = 0x51,
- [15] = 0x52,
- [16] = 0x54,
- };
- static const u16 NCT6106_REG_TEMP_CRIT[32] = {
- [11] = 0x204,
- [12] = 0x205,
- };
- static const u16 NCT6106_REG_TSI_TEMP[] = { 0x59, 0x5b, 0x5d, 0x5f, 0x61, 0x63, 0x65, 0x67 };
- /* NCT6112D/NCT6114D/NCT6116D specific data */
- static const u16 NCT6116_REG_FAN[] = { 0x20, 0x22, 0x24, 0x26, 0x28 };
- static const u16 NCT6116_REG_FAN_MIN[] = { 0xe0, 0xe2, 0xe4, 0xe6, 0xe8 };
- static const u16 NCT6116_REG_FAN_PULSES[] = { 0xf6, 0xf6, 0xf6, 0xf6, 0xf5 };
- static const u16 NCT6116_FAN_PULSE_SHIFT[] = { 0, 2, 4, 6, 6 };
- static const u16 NCT6116_REG_PWM[] = { 0x119, 0x129, 0x139, 0x199, 0x1a9 };
- static const u16 NCT6116_REG_FAN_MODE[] = { 0x113, 0x123, 0x133, 0x193, 0x1a3 };
- static const u16 NCT6116_REG_TEMP_SEL[] = { 0x110, 0x120, 0x130, 0x190, 0x1a0 };
- static const u16 NCT6116_REG_TEMP_SOURCE[] = {
- 0xb0, 0xb1, 0xb2 };
- static const u16 NCT6116_REG_CRITICAL_TEMP[] = {
- 0x11a, 0x12a, 0x13a, 0x19a, 0x1aa };
- static const u16 NCT6116_REG_CRITICAL_TEMP_TOLERANCE[] = {
- 0x11b, 0x12b, 0x13b, 0x19b, 0x1ab };
- static const u16 NCT6116_REG_CRITICAL_PWM_ENABLE[] = {
- 0x11c, 0x12c, 0x13c, 0x19c, 0x1ac };
- static const u16 NCT6116_REG_CRITICAL_PWM[] = {
- 0x11d, 0x12d, 0x13d, 0x19d, 0x1ad };
- static const u16 NCT6116_REG_FAN_STEP_UP_TIME[] = {
- 0x114, 0x124, 0x134, 0x194, 0x1a4 };
- static const u16 NCT6116_REG_FAN_STEP_DOWN_TIME[] = {
- 0x115, 0x125, 0x135, 0x195, 0x1a5 };
- static const u16 NCT6116_REG_FAN_STOP_OUTPUT[] = {
- 0x116, 0x126, 0x136, 0x196, 0x1a6 };
- static const u16 NCT6116_REG_FAN_START_OUTPUT[] = {
- 0x117, 0x127, 0x137, 0x197, 0x1a7 };
- static const u16 NCT6116_REG_FAN_STOP_TIME[] = {
- 0x118, 0x128, 0x138, 0x198, 0x1a8 };
- static const u16 NCT6116_REG_TOLERANCE_H[] = {
- 0x112, 0x122, 0x132, 0x192, 0x1a2 };
- static const u16 NCT6116_REG_TARGET[] = {
- 0x111, 0x121, 0x131, 0x191, 0x1a1 };
- static const u16 NCT6116_REG_AUTO_TEMP[] = {
- 0x160, 0x170, 0x180, 0x1d0, 0x1e0 };
- static const u16 NCT6116_REG_AUTO_PWM[] = {
- 0x164, 0x174, 0x184, 0x1d4, 0x1e4 };
- static const s8 NCT6116_ALARM_BITS[] = {
- 0, 1, 2, 3, 4, 5, 7, 8, /* in0.. in7 */
- 9, -1, -1, -1, -1, -1, -1, /* in8..in9 */
- -1, /* unused */
- 32, 33, 34, 35, 36, /* fan1..fan5 */
- -1, -1, -1, /* unused */
- 16, 17, 18, -1, -1, -1, /* temp1..temp6 */
- 48, -1 /* intrusion0, intrusion1 */
- };
- static const s8 NCT6116_BEEP_BITS[] = {
- 0, 1, 2, 3, 4, 5, 7, 8, /* in0.. in7 */
- 9, 10, 11, 12, -1, -1, -1, /* in8..in14 */
- 32, /* global beep enable */
- 24, 25, 26, 27, 28, /* fan1..fan5 */
- -1, -1, -1, /* unused */
- 16, 17, 18, -1, -1, -1, /* temp1..temp6 */
- 34, -1 /* intrusion0, intrusion1 */
- };
- static const u16 NCT6116_REG_TSI_TEMP[] = { 0x59, 0x5b };
- static enum pwm_enable reg_to_pwm_enable(int pwm, int mode)
- {
- if (mode == 0 && pwm == 255)
- return off;
- return mode + 1;
- }
- static int pwm_enable_to_reg(enum pwm_enable mode)
- {
- if (mode == off)
- return 0;
- return mode - 1;
- }
- /*
- * Conversions
- */
- /* 1 is DC mode, output in ms */
- static unsigned int step_time_from_reg(u8 reg, u8 mode)
- {
- return mode ? 400 * reg : 100 * reg;
- }
- static u8 step_time_to_reg(unsigned int msec, u8 mode)
- {
- return clamp_val((mode ? (msec + 200) / 400 :
- (msec + 50) / 100), 1, 255);
- }
- static unsigned int fan_from_reg8(u16 reg, unsigned int divreg)
- {
- if (reg == 0 || reg == 255)
- return 0;
- return 1350000U / (reg << divreg);
- }
- static unsigned int fan_from_reg13(u16 reg, unsigned int divreg)
- {
- if ((reg & 0xff1f) == 0xff1f)
- return 0;
- reg = (reg & 0x1f) | ((reg & 0xff00) >> 3);
- if (reg == 0)
- return 0;
- return 1350000U / reg;
- }
- static unsigned int fan_from_reg16(u16 reg, unsigned int divreg)
- {
- if (reg == 0 || reg == 0xffff)
- return 0;
- /*
- * Even though the registers are 16 bit wide, the fan divisor
- * still applies.
- */
- return 1350000U / (reg << divreg);
- }
- static unsigned int fan_from_reg_rpm(u16 reg, unsigned int divreg)
- {
- return reg;
- }
- static u16 fan_to_reg(u32 fan, unsigned int divreg)
- {
- if (!fan)
- return 0;
- return (1350000U / fan) >> divreg;
- }
- static inline unsigned int
- div_from_reg(u8 reg)
- {
- return BIT(reg);
- }
- /*
- * Some of the voltage inputs have internal scaling, the tables below
- * contain 8 (the ADC LSB in mV) * scaling factor * 100
- */
- static const u16 scale_in[15] = {
- 800, 800, 1600, 1600, 800, 800, 800, 1600, 1600, 800, 800, 800, 800,
- 800, 800
- };
- static inline long in_from_reg(u8 reg, u8 nr)
- {
- return DIV_ROUND_CLOSEST(reg * scale_in[nr], 100);
- }
- static inline u8 in_to_reg(u32 val, u8 nr)
- {
- return clamp_val(DIV_ROUND_CLOSEST(val * 100, scale_in[nr]), 0, 255);
- }
- /* TSI temperatures are in 8.3 format */
- static inline unsigned int tsi_temp_from_reg(unsigned int reg)
- {
- return (reg >> 5) * 125;
- }
- /*
- * Data structures and manipulation thereof
- */
- struct sensor_device_template {
- struct device_attribute dev_attr;
- union {
- struct {
- u8 nr;
- u8 index;
- } s;
- int index;
- } u;
- bool s2; /* true if both index and nr are used */
- };
- struct sensor_device_attr_u {
- union {
- struct sensor_device_attribute a1;
- struct sensor_device_attribute_2 a2;
- } u;
- char name[32];
- };
- #define __TEMPLATE_ATTR(_template, _mode, _show, _store) { \
- .attr = {.name = _template, .mode = _mode }, \
- .show = _show, \
- .store = _store, \
- }
- #define SENSOR_DEVICE_TEMPLATE(_template, _mode, _show, _store, _index) \
- { .dev_attr = __TEMPLATE_ATTR(_template, _mode, _show, _store), \
- .u.index = _index, \
- .s2 = false }
- #define SENSOR_DEVICE_TEMPLATE_2(_template, _mode, _show, _store, \
- _nr, _index) \
- { .dev_attr = __TEMPLATE_ATTR(_template, _mode, _show, _store), \
- .u.s.index = _index, \
- .u.s.nr = _nr, \
- .s2 = true }
- #define SENSOR_TEMPLATE(_name, _template, _mode, _show, _store, _index) \
- static struct sensor_device_template sensor_dev_template_##_name \
- = SENSOR_DEVICE_TEMPLATE(_template, _mode, _show, _store, \
- _index)
- #define SENSOR_TEMPLATE_2(_name, _template, _mode, _show, _store, \
- _nr, _index) \
- static struct sensor_device_template sensor_dev_template_##_name \
- = SENSOR_DEVICE_TEMPLATE_2(_template, _mode, _show, _store, \
- _nr, _index)
- struct sensor_template_group {
- struct sensor_device_template **templates;
- umode_t (*is_visible)(struct kobject *, struct attribute *, int);
- int base;
- };
- static int nct6775_add_template_attr_group(struct device *dev, struct nct6775_data *data,
- const struct sensor_template_group *tg, int repeat)
- {
- struct attribute_group *group;
- struct sensor_device_attr_u *su;
- struct sensor_device_attribute *a;
- struct sensor_device_attribute_2 *a2;
- struct attribute **attrs;
- struct sensor_device_template **t;
- int i, count;
- if (repeat <= 0)
- return -EINVAL;
- t = tg->templates;
- for (count = 0; *t; t++, count++)
- ;
- if (count == 0)
- return -EINVAL;
- group = devm_kzalloc(dev, sizeof(*group), GFP_KERNEL);
- if (group == NULL)
- return -ENOMEM;
- attrs = devm_kcalloc(dev, repeat * count + 1, sizeof(*attrs),
- GFP_KERNEL);
- if (attrs == NULL)
- return -ENOMEM;
- su = devm_kzalloc(dev, array3_size(repeat, count, sizeof(*su)),
- GFP_KERNEL);
- if (su == NULL)
- return -ENOMEM;
- group->attrs = attrs;
- group->is_visible = tg->is_visible;
- for (i = 0; i < repeat; i++) {
- t = tg->templates;
- while (*t != NULL) {
- snprintf(su->name, sizeof(su->name),
- (*t)->dev_attr.attr.name, tg->base + i);
- if ((*t)->s2) {
- a2 = &su->u.a2;
- sysfs_attr_init(&a2->dev_attr.attr);
- a2->dev_attr.attr.name = su->name;
- a2->nr = (*t)->u.s.nr + i;
- a2->index = (*t)->u.s.index;
- a2->dev_attr.attr.mode =
- (*t)->dev_attr.attr.mode;
- a2->dev_attr.show = (*t)->dev_attr.show;
- a2->dev_attr.store = (*t)->dev_attr.store;
- *attrs = &a2->dev_attr.attr;
- } else {
- a = &su->u.a1;
- sysfs_attr_init(&a->dev_attr.attr);
- a->dev_attr.attr.name = su->name;
- a->index = (*t)->u.index + i;
- a->dev_attr.attr.mode =
- (*t)->dev_attr.attr.mode;
- a->dev_attr.show = (*t)->dev_attr.show;
- a->dev_attr.store = (*t)->dev_attr.store;
- *attrs = &a->dev_attr.attr;
- }
- attrs++;
- su++;
- t++;
- }
- }
- return nct6775_add_attr_group(data, group);
- }
- bool nct6775_reg_is_word_sized(struct nct6775_data *data, u16 reg)
- {
- switch (data->kind) {
- case nct6106:
- return reg == 0x20 || reg == 0x22 || reg == 0x24 ||
- (reg >= 0x59 && reg < 0x69 && (reg & 1)) ||
- reg == 0xe0 || reg == 0xe2 || reg == 0xe4 ||
- reg == 0x111 || reg == 0x121 || reg == 0x131;
- case nct6116:
- return reg == 0x20 || reg == 0x22 || reg == 0x24 ||
- reg == 0x26 || reg == 0x28 || reg == 0x59 || reg == 0x5b ||
- reg == 0xe0 || reg == 0xe2 || reg == 0xe4 || reg == 0xe6 ||
- reg == 0xe8 || reg == 0x111 || reg == 0x121 || reg == 0x131 ||
- reg == 0x191 || reg == 0x1a1;
- case nct6775:
- return (((reg & 0xff00) == 0x100 ||
- (reg & 0xff00) == 0x200) &&
- ((reg & 0x00ff) == 0x50 ||
- (reg & 0x00ff) == 0x53 ||
- (reg & 0x00ff) == 0x55)) ||
- (reg & 0xfff0) == 0x630 ||
- reg == 0x640 || reg == 0x642 ||
- reg == 0x662 || reg == 0x669 ||
- ((reg & 0xfff0) == 0x650 && (reg & 0x000f) >= 0x06) ||
- reg == 0x73 || reg == 0x75 || reg == 0x77;
- case nct6776:
- return (((reg & 0xff00) == 0x100 ||
- (reg & 0xff00) == 0x200) &&
- ((reg & 0x00ff) == 0x50 ||
- (reg & 0x00ff) == 0x53 ||
- (reg & 0x00ff) == 0x55)) ||
- (reg & 0xfff0) == 0x630 ||
- reg == 0x402 ||
- (reg >= 0x409 && reg < 0x419 && (reg & 1)) ||
- reg == 0x640 || reg == 0x642 ||
- ((reg & 0xfff0) == 0x650 && (reg & 0x000f) >= 0x06) ||
- reg == 0x73 || reg == 0x75 || reg == 0x77;
- case nct6779:
- case nct6791:
- case nct6792:
- case nct6793:
- case nct6795:
- case nct6796:
- case nct6797:
- case nct6798:
- return reg == 0x150 || reg == 0x153 || reg == 0x155 ||
- (reg & 0xfff0) == 0x4c0 ||
- reg == 0x402 ||
- (reg >= 0x409 && reg < 0x419 && (reg & 1)) ||
- reg == 0x63a || reg == 0x63c || reg == 0x63e ||
- reg == 0x640 || reg == 0x642 || reg == 0x64a ||
- reg == 0x64c ||
- reg == 0x73 || reg == 0x75 || reg == 0x77 || reg == 0x79 ||
- reg == 0x7b || reg == 0x7d;
- }
- return false;
- }
- EXPORT_SYMBOL_GPL(nct6775_reg_is_word_sized);
- /* We left-align 8-bit temperature values to make the code simpler */
- static int nct6775_read_temp(struct nct6775_data *data, u16 reg, u16 *val)
- {
- int err;
- err = nct6775_read_value(data, reg, val);
- if (err)
- return err;
- if (!nct6775_reg_is_word_sized(data, reg))
- *val <<= 8;
- return 0;
- }
- /* This function assumes that the caller holds data->update_lock */
- static int nct6775_write_fan_div(struct nct6775_data *data, int nr)
- {
- u16 reg;
- int err;
- u16 fandiv_reg = nr < 2 ? NCT6775_REG_FANDIV1 : NCT6775_REG_FANDIV2;
- unsigned int oddshift = (nr & 1) * 4; /* masks shift by four if nr is odd */
- err = nct6775_read_value(data, fandiv_reg, ®);
- if (err)
- return err;
- reg &= 0x70 >> oddshift;
- reg |= (data->fan_div[nr] & 0x7) << oddshift;
- return nct6775_write_value(data, fandiv_reg, reg);
- }
- static int nct6775_write_fan_div_common(struct nct6775_data *data, int nr)
- {
- if (data->kind == nct6775)
- return nct6775_write_fan_div(data, nr);
- return 0;
- }
- static int nct6775_update_fan_div(struct nct6775_data *data)
- {
- int err;
- u16 i;
- err = nct6775_read_value(data, NCT6775_REG_FANDIV1, &i);
- if (err)
- return err;
- data->fan_div[0] = i & 0x7;
- data->fan_div[1] = (i & 0x70) >> 4;
- err = nct6775_read_value(data, NCT6775_REG_FANDIV2, &i);
- if (err)
- return err;
- data->fan_div[2] = i & 0x7;
- if (data->has_fan & BIT(3))
- data->fan_div[3] = (i & 0x70) >> 4;
- return 0;
- }
- static int nct6775_update_fan_div_common(struct nct6775_data *data)
- {
- if (data->kind == nct6775)
- return nct6775_update_fan_div(data);
- return 0;
- }
- static int nct6775_init_fan_div(struct nct6775_data *data)
- {
- int i, err;
- err = nct6775_update_fan_div_common(data);
- if (err)
- return err;
- /*
- * For all fans, start with highest divider value if the divider
- * register is not initialized. This ensures that we get a
- * reading from the fan count register, even if it is not optimal.
- * We'll compute a better divider later on.
- */
- for (i = 0; i < ARRAY_SIZE(data->fan_div); i++) {
- if (!(data->has_fan & BIT(i)))
- continue;
- if (data->fan_div[i] == 0) {
- data->fan_div[i] = 7;
- err = nct6775_write_fan_div_common(data, i);
- if (err)
- return err;
- }
- }
- return 0;
- }
- static int nct6775_init_fan_common(struct device *dev,
- struct nct6775_data *data)
- {
- int i, err;
- u16 reg;
- if (data->has_fan_div) {
- err = nct6775_init_fan_div(data);
- if (err)
- return err;
- }
- /*
- * If fan_min is not set (0), set it to 0xff to disable it. This
- * prevents the unnecessary warning when fanX_min is reported as 0.
- */
- for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) {
- if (data->has_fan_min & BIT(i)) {
- err = nct6775_read_value(data, data->REG_FAN_MIN[i], ®);
- if (err)
- return err;
- if (!reg) {
- err = nct6775_write_value(data, data->REG_FAN_MIN[i],
- data->has_fan_div ? 0xff : 0xff1f);
- if (err)
- return err;
- }
- }
- }
- return 0;
- }
- static int nct6775_select_fan_div(struct device *dev,
- struct nct6775_data *data, int nr, u16 reg)
- {
- int err;
- u8 fan_div = data->fan_div[nr];
- u16 fan_min;
- if (!data->has_fan_div)
- return 0;
- /*
- * If we failed to measure the fan speed, or the reported value is not
- * in the optimal range, and the clock divider can be modified,
- * let's try that for next time.
- */
- if (reg == 0x00 && fan_div < 0x07)
- fan_div++;
- else if (reg != 0x00 && reg < 0x30 && fan_div > 0)
- fan_div--;
- if (fan_div != data->fan_div[nr]) {
- dev_dbg(dev, "Modifying fan%d clock divider from %u to %u\n",
- nr + 1, div_from_reg(data->fan_div[nr]),
- div_from_reg(fan_div));
- /* Preserve min limit if possible */
- if (data->has_fan_min & BIT(nr)) {
- fan_min = data->fan_min[nr];
- if (fan_div > data->fan_div[nr]) {
- if (fan_min != 255 && fan_min > 1)
- fan_min >>= 1;
- } else {
- if (fan_min != 255) {
- fan_min <<= 1;
- if (fan_min > 254)
- fan_min = 254;
- }
- }
- if (fan_min != data->fan_min[nr]) {
- data->fan_min[nr] = fan_min;
- err = nct6775_write_value(data, data->REG_FAN_MIN[nr], fan_min);
- if (err)
- return err;
- }
- }
- data->fan_div[nr] = fan_div;
- err = nct6775_write_fan_div_common(data, nr);
- if (err)
- return err;
- }
- return 0;
- }
- static int nct6775_update_pwm(struct device *dev)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- int i, j, err;
- u16 fanmodecfg, reg;
- bool duty_is_dc;
- for (i = 0; i < data->pwm_num; i++) {
- if (!(data->has_pwm & BIT(i)))
- continue;
- err = nct6775_read_value(data, data->REG_PWM_MODE[i], ®);
- if (err)
- return err;
- duty_is_dc = data->REG_PWM_MODE[i] && (reg & data->PWM_MODE_MASK[i]);
- data->pwm_mode[i] = !duty_is_dc;
- err = nct6775_read_value(data, data->REG_FAN_MODE[i], &fanmodecfg);
- if (err)
- return err;
- for (j = 0; j < ARRAY_SIZE(data->REG_PWM); j++) {
- if (data->REG_PWM[j] && data->REG_PWM[j][i]) {
- err = nct6775_read_value(data, data->REG_PWM[j][i], ®);
- if (err)
- return err;
- data->pwm[j][i] = reg;
- }
- }
- data->pwm_enable[i] = reg_to_pwm_enable(data->pwm[0][i],
- (fanmodecfg >> 4) & 7);
- if (!data->temp_tolerance[0][i] ||
- data->pwm_enable[i] != speed_cruise)
- data->temp_tolerance[0][i] = fanmodecfg & 0x0f;
- if (!data->target_speed_tolerance[i] ||
- data->pwm_enable[i] == speed_cruise) {
- u8 t = fanmodecfg & 0x0f;
- if (data->REG_TOLERANCE_H) {
- err = nct6775_read_value(data, data->REG_TOLERANCE_H[i], ®);
- if (err)
- return err;
- t |= (reg & 0x70) >> 1;
- }
- data->target_speed_tolerance[i] = t;
- }
- err = nct6775_read_value(data, data->REG_CRITICAL_TEMP_TOLERANCE[i], ®);
- if (err)
- return err;
- data->temp_tolerance[1][i] = reg;
- err = nct6775_read_value(data, data->REG_TEMP_SEL[i], ®);
- if (err)
- return err;
- data->pwm_temp_sel[i] = reg & 0x1f;
- /* If fan can stop, report floor as 0 */
- if (reg & 0x80)
- data->pwm[2][i] = 0;
- if (!data->REG_WEIGHT_TEMP_SEL[i])
- continue;
- err = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[i], ®);
- if (err)
- return err;
- data->pwm_weight_temp_sel[i] = reg & 0x1f;
- /* If weight is disabled, report weight source as 0 */
- if (!(reg & 0x80))
- data->pwm_weight_temp_sel[i] = 0;
- /* Weight temp data */
- for (j = 0; j < ARRAY_SIZE(data->weight_temp); j++) {
- err = nct6775_read_value(data, data->REG_WEIGHT_TEMP[j][i], ®);
- if (err)
- return err;
- data->weight_temp[j][i] = reg;
- }
- }
- return 0;
- }
- static int nct6775_update_pwm_limits(struct device *dev)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- int i, j, err;
- u16 reg, reg_t;
- for (i = 0; i < data->pwm_num; i++) {
- if (!(data->has_pwm & BIT(i)))
- continue;
- for (j = 0; j < ARRAY_SIZE(data->fan_time); j++) {
- err = nct6775_read_value(data, data->REG_FAN_TIME[j][i], ®);
- if (err)
- return err;
- data->fan_time[j][i] = reg;
- }
- err = nct6775_read_value(data, data->REG_TARGET[i], ®_t);
- if (err)
- return err;
- /* Update only in matching mode or if never updated */
- if (!data->target_temp[i] ||
- data->pwm_enable[i] == thermal_cruise)
- data->target_temp[i] = reg_t & data->target_temp_mask;
- if (!data->target_speed[i] ||
- data->pwm_enable[i] == speed_cruise) {
- if (data->REG_TOLERANCE_H) {
- err = nct6775_read_value(data, data->REG_TOLERANCE_H[i], ®);
- if (err)
- return err;
- reg_t |= (reg & 0x0f) << 8;
- }
- data->target_speed[i] = reg_t;
- }
- for (j = 0; j < data->auto_pwm_num; j++) {
- err = nct6775_read_value(data, NCT6775_AUTO_PWM(data, i, j), ®);
- if (err)
- return err;
- data->auto_pwm[i][j] = reg;
- err = nct6775_read_value(data, NCT6775_AUTO_TEMP(data, i, j), ®);
- if (err)
- return err;
- data->auto_temp[i][j] = reg;
- }
- /* critical auto_pwm temperature data */
- err = nct6775_read_value(data, data->REG_CRITICAL_TEMP[i], ®);
- if (err)
- return err;
- data->auto_temp[i][data->auto_pwm_num] = reg;
- switch (data->kind) {
- case nct6775:
- err = nct6775_read_value(data, NCT6775_REG_CRITICAL_ENAB[i], ®);
- if (err)
- return err;
- data->auto_pwm[i][data->auto_pwm_num] =
- (reg & 0x02) ? 0xff : 0x00;
- break;
- case nct6776:
- data->auto_pwm[i][data->auto_pwm_num] = 0xff;
- break;
- case nct6106:
- case nct6116:
- case nct6779:
- case nct6791:
- case nct6792:
- case nct6793:
- case nct6795:
- case nct6796:
- case nct6797:
- case nct6798:
- err = nct6775_read_value(data, data->REG_CRITICAL_PWM_ENABLE[i], ®);
- if (err)
- return err;
- if (reg & data->CRITICAL_PWM_ENABLE_MASK) {
- err = nct6775_read_value(data, data->REG_CRITICAL_PWM[i], ®);
- if (err)
- return err;
- } else {
- reg = 0xff;
- }
- data->auto_pwm[i][data->auto_pwm_num] = reg;
- break;
- }
- }
- return 0;
- }
- struct nct6775_data *nct6775_update_device(struct device *dev)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- int i, j, err = 0;
- u16 reg;
- mutex_lock(&data->update_lock);
- if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
- || !data->valid) {
- /* Fan clock dividers */
- err = nct6775_update_fan_div_common(data);
- if (err)
- goto out;
- /* Measured voltages and limits */
- for (i = 0; i < data->in_num; i++) {
- if (!(data->have_in & BIT(i)))
- continue;
- err = nct6775_read_value(data, data->REG_VIN[i], ®);
- if (err)
- goto out;
- data->in[i][0] = reg;
- err = nct6775_read_value(data, data->REG_IN_MINMAX[0][i], ®);
- if (err)
- goto out;
- data->in[i][1] = reg;
- err = nct6775_read_value(data, data->REG_IN_MINMAX[1][i], ®);
- if (err)
- goto out;
- data->in[i][2] = reg;
- }
- /* Measured fan speeds and limits */
- for (i = 0; i < ARRAY_SIZE(data->rpm); i++) {
- if (!(data->has_fan & BIT(i)))
- continue;
- err = nct6775_read_value(data, data->REG_FAN[i], ®);
- if (err)
- goto out;
- data->rpm[i] = data->fan_from_reg(reg,
- data->fan_div[i]);
- if (data->has_fan_min & BIT(i)) {
- u16 tmp;
- err = nct6775_read_value(data, data->REG_FAN_MIN[i], &tmp);
- if (err)
- goto out;
- data->fan_min[i] = tmp;
- }
- if (data->REG_FAN_PULSES[i]) {
- u16 tmp;
- err = nct6775_read_value(data, data->REG_FAN_PULSES[i], &tmp);
- if (err)
- goto out;
- data->fan_pulses[i] = (tmp >> data->FAN_PULSE_SHIFT[i]) & 0x03;
- }
- err = nct6775_select_fan_div(dev, data, i, reg);
- if (err)
- goto out;
- }
- err = nct6775_update_pwm(dev);
- if (err)
- goto out;
- err = nct6775_update_pwm_limits(dev);
- if (err)
- goto out;
- /* Measured temperatures and limits */
- for (i = 0; i < NUM_TEMP; i++) {
- if (!(data->have_temp & BIT(i)))
- continue;
- for (j = 0; j < ARRAY_SIZE(data->reg_temp); j++) {
- if (data->reg_temp[j][i]) {
- err = nct6775_read_temp(data, data->reg_temp[j][i], ®);
- if (err)
- goto out;
- data->temp[j][i] = reg;
- }
- }
- if (i >= NUM_TEMP_FIXED ||
- !(data->have_temp_fixed & BIT(i)))
- continue;
- err = nct6775_read_value(data, data->REG_TEMP_OFFSET[i], ®);
- if (err)
- goto out;
- data->temp_offset[i] = reg;
- }
- for (i = 0; i < NUM_TSI_TEMP; i++) {
- if (!(data->have_tsi_temp & BIT(i)))
- continue;
- err = nct6775_read_value(data, data->REG_TSI_TEMP[i], ®);
- if (err)
- goto out;
- data->tsi_temp[i] = reg;
- }
- data->alarms = 0;
- for (i = 0; i < NUM_REG_ALARM; i++) {
- u16 alarm;
- if (!data->REG_ALARM[i])
- continue;
- err = nct6775_read_value(data, data->REG_ALARM[i], &alarm);
- if (err)
- goto out;
- data->alarms |= ((u64)alarm) << (i << 3);
- }
- data->beeps = 0;
- for (i = 0; i < NUM_REG_BEEP; i++) {
- u16 beep;
- if (!data->REG_BEEP[i])
- continue;
- err = nct6775_read_value(data, data->REG_BEEP[i], &beep);
- if (err)
- goto out;
- data->beeps |= ((u64)beep) << (i << 3);
- }
- data->last_updated = jiffies;
- data->valid = true;
- }
- out:
- mutex_unlock(&data->update_lock);
- return err ? ERR_PTR(err) : data;
- }
- EXPORT_SYMBOL_GPL(nct6775_update_device);
- /*
- * Sysfs callback functions
- */
- static ssize_t
- show_in_reg(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int index = sattr->index;
- int nr = sattr->nr;
- if (IS_ERR(data))
- return PTR_ERR(data);
- return sprintf(buf, "%ld\n", in_from_reg(data->in[nr][index], nr));
- }
- static ssize_t
- store_in_reg(struct device *dev, struct device_attribute *attr, const char *buf,
- size_t count)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int index = sattr->index;
- int nr = sattr->nr;
- unsigned long val;
- int err;
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- mutex_lock(&data->update_lock);
- data->in[nr][index] = in_to_reg(val, nr);
- err = nct6775_write_value(data, data->REG_IN_MINMAX[index - 1][nr], data->in[nr][index]);
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- ssize_t
- nct6775_show_alarm(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr;
- if (IS_ERR(data))
- return PTR_ERR(data);
- nr = data->ALARM_BITS[sattr->index];
- return sprintf(buf, "%u\n",
- (unsigned int)((data->alarms >> nr) & 0x01));
- }
- EXPORT_SYMBOL_GPL(nct6775_show_alarm);
- static int find_temp_source(struct nct6775_data *data, int index, int count)
- {
- int source = data->temp_src[index];
- int nr, err;
- for (nr = 0; nr < count; nr++) {
- u16 src;
- err = nct6775_read_value(data, data->REG_TEMP_SOURCE[nr], &src);
- if (err)
- return err;
- if ((src & 0x1f) == source)
- return nr;
- }
- return -ENODEV;
- }
- static ssize_t
- show_temp_alarm(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- struct nct6775_data *data = nct6775_update_device(dev);
- unsigned int alarm = 0;
- int nr;
- if (IS_ERR(data))
- return PTR_ERR(data);
- /*
- * For temperatures, there is no fixed mapping from registers to alarm
- * bits. Alarm bits are determined by the temperature source mapping.
- */
- nr = find_temp_source(data, sattr->index, data->num_temp_alarms);
- if (nr >= 0) {
- int bit = data->ALARM_BITS[nr + TEMP_ALARM_BASE];
- alarm = (data->alarms >> bit) & 0x01;
- }
- return sprintf(buf, "%u\n", alarm);
- }
- ssize_t
- nct6775_show_beep(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- struct nct6775_data *data = nct6775_update_device(dev);
- int nr;
- if (IS_ERR(data))
- return PTR_ERR(data);
- nr = data->BEEP_BITS[sattr->index];
- return sprintf(buf, "%u\n",
- (unsigned int)((data->beeps >> nr) & 0x01));
- }
- EXPORT_SYMBOL_GPL(nct6775_show_beep);
- ssize_t
- nct6775_store_beep(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
- {
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- struct nct6775_data *data = dev_get_drvdata(dev);
- int nr = data->BEEP_BITS[sattr->index];
- int regindex = nr >> 3;
- unsigned long val;
- int err;
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- if (val > 1)
- return -EINVAL;
- mutex_lock(&data->update_lock);
- if (val)
- data->beeps |= (1ULL << nr);
- else
- data->beeps &= ~(1ULL << nr);
- err = nct6775_write_value(data, data->REG_BEEP[regindex],
- (data->beeps >> (regindex << 3)) & 0xff);
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- EXPORT_SYMBOL_GPL(nct6775_store_beep);
- static ssize_t
- show_temp_beep(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- struct nct6775_data *data = nct6775_update_device(dev);
- unsigned int beep = 0;
- int nr;
- if (IS_ERR(data))
- return PTR_ERR(data);
- /*
- * For temperatures, there is no fixed mapping from registers to beep
- * enable bits. Beep enable bits are determined by the temperature
- * source mapping.
- */
- nr = find_temp_source(data, sattr->index, data->num_temp_beeps);
- if (nr >= 0) {
- int bit = data->BEEP_BITS[nr + TEMP_ALARM_BASE];
- beep = (data->beeps >> bit) & 0x01;
- }
- return sprintf(buf, "%u\n", beep);
- }
- static ssize_t
- store_temp_beep(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- struct nct6775_data *data = dev_get_drvdata(dev);
- int nr, bit, regindex;
- unsigned long val;
- int err;
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- if (val > 1)
- return -EINVAL;
- nr = find_temp_source(data, sattr->index, data->num_temp_beeps);
- if (nr < 0)
- return nr;
- bit = data->BEEP_BITS[nr + TEMP_ALARM_BASE];
- regindex = bit >> 3;
- mutex_lock(&data->update_lock);
- if (val)
- data->beeps |= (1ULL << bit);
- else
- data->beeps &= ~(1ULL << bit);
- err = nct6775_write_value(data, data->REG_BEEP[regindex],
- (data->beeps >> (regindex << 3)) & 0xff);
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- static umode_t nct6775_in_is_visible(struct kobject *kobj,
- struct attribute *attr, int index)
- {
- struct device *dev = kobj_to_dev(kobj);
- struct nct6775_data *data = dev_get_drvdata(dev);
- int in = index / 5; /* voltage index */
- if (!(data->have_in & BIT(in)))
- return 0;
- return nct6775_attr_mode(data, attr);
- }
- SENSOR_TEMPLATE_2(in_input, "in%d_input", 0444, show_in_reg, NULL, 0, 0);
- SENSOR_TEMPLATE(in_alarm, "in%d_alarm", 0444, nct6775_show_alarm, NULL, 0);
- SENSOR_TEMPLATE(in_beep, "in%d_beep", 0644, nct6775_show_beep, nct6775_store_beep, 0);
- SENSOR_TEMPLATE_2(in_min, "in%d_min", 0644, show_in_reg, store_in_reg, 0, 1);
- SENSOR_TEMPLATE_2(in_max, "in%d_max", 0644, show_in_reg, store_in_reg, 0, 2);
- /*
- * nct6775_in_is_visible uses the index into the following array
- * to determine if attributes should be created or not.
- * Any change in order or content must be matched.
- */
- static struct sensor_device_template *nct6775_attributes_in_template[] = {
- &sensor_dev_template_in_input,
- &sensor_dev_template_in_alarm,
- &sensor_dev_template_in_beep,
- &sensor_dev_template_in_min,
- &sensor_dev_template_in_max,
- NULL
- };
- static const struct sensor_template_group nct6775_in_template_group = {
- .templates = nct6775_attributes_in_template,
- .is_visible = nct6775_in_is_visible,
- };
- static ssize_t
- show_fan(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- if (IS_ERR(data))
- return PTR_ERR(data);
- return sprintf(buf, "%d\n", data->rpm[nr]);
- }
- static ssize_t
- show_fan_min(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- if (IS_ERR(data))
- return PTR_ERR(data);
- return sprintf(buf, "%d\n",
- data->fan_from_reg_min(data->fan_min[nr],
- data->fan_div[nr]));
- }
- static ssize_t
- show_fan_div(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- if (IS_ERR(data))
- return PTR_ERR(data);
- return sprintf(buf, "%u\n", div_from_reg(data->fan_div[nr]));
- }
- static ssize_t
- store_fan_min(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- unsigned long val;
- unsigned int reg;
- u8 new_div;
- int err;
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- mutex_lock(&data->update_lock);
- if (!data->has_fan_div) {
- /* NCT6776F or NCT6779D; we know this is a 13 bit register */
- if (!val) {
- val = 0xff1f;
- } else {
- if (val > 1350000U)
- val = 135000U;
- val = 1350000U / val;
- val = (val & 0x1f) | ((val << 3) & 0xff00);
- }
- data->fan_min[nr] = val;
- goto write_min; /* Leave fan divider alone */
- }
- if (!val) {
- /* No min limit, alarm disabled */
- data->fan_min[nr] = 255;
- new_div = data->fan_div[nr]; /* No change */
- dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1);
- goto write_div;
- }
- reg = 1350000U / val;
- if (reg >= 128 * 255) {
- /*
- * Speed below this value cannot possibly be represented,
- * even with the highest divider (128)
- */
- data->fan_min[nr] = 254;
- new_div = 7; /* 128 == BIT(7) */
- dev_warn(dev,
- "fan%u low limit %lu below minimum %u, set to minimum\n",
- nr + 1, val, data->fan_from_reg_min(254, 7));
- } else if (!reg) {
- /*
- * Speed above this value cannot possibly be represented,
- * even with the lowest divider (1)
- */
- data->fan_min[nr] = 1;
- new_div = 0; /* 1 == BIT(0) */
- dev_warn(dev,
- "fan%u low limit %lu above maximum %u, set to maximum\n",
- nr + 1, val, data->fan_from_reg_min(1, 0));
- } else {
- /*
- * Automatically pick the best divider, i.e. the one such
- * that the min limit will correspond to a register value
- * in the 96..192 range
- */
- new_div = 0;
- while (reg > 192 && new_div < 7) {
- reg >>= 1;
- new_div++;
- }
- data->fan_min[nr] = reg;
- }
- write_div:
- /*
- * Write both the fan clock divider (if it changed) and the new
- * fan min (unconditionally)
- */
- if (new_div != data->fan_div[nr]) {
- dev_dbg(dev, "fan%u clock divider changed from %u to %u\n",
- nr + 1, div_from_reg(data->fan_div[nr]),
- div_from_reg(new_div));
- data->fan_div[nr] = new_div;
- err = nct6775_write_fan_div_common(data, nr);
- if (err)
- goto write_min;
- /* Give the chip time to sample a new speed value */
- data->last_updated = jiffies;
- }
- write_min:
- err = nct6775_write_value(data, data->REG_FAN_MIN[nr], data->fan_min[nr]);
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- static ssize_t
- show_fan_pulses(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int p;
- if (IS_ERR(data))
- return PTR_ERR(data);
- p = data->fan_pulses[sattr->index];
- return sprintf(buf, "%d\n", p ? : 4);
- }
- static ssize_t
- store_fan_pulses(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- unsigned long val;
- int err;
- u16 reg;
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- if (val > 4)
- return -EINVAL;
- mutex_lock(&data->update_lock);
- data->fan_pulses[nr] = val & 3;
- err = nct6775_read_value(data, data->REG_FAN_PULSES[nr], ®);
- if (err)
- goto out;
- reg &= ~(0x03 << data->FAN_PULSE_SHIFT[nr]);
- reg |= (val & 3) << data->FAN_PULSE_SHIFT[nr];
- err = nct6775_write_value(data, data->REG_FAN_PULSES[nr], reg);
- out:
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- static umode_t nct6775_fan_is_visible(struct kobject *kobj,
- struct attribute *attr, int index)
- {
- struct device *dev = kobj_to_dev(kobj);
- struct nct6775_data *data = dev_get_drvdata(dev);
- int fan = index / 6; /* fan index */
- int nr = index % 6; /* attribute index */
- if (!(data->has_fan & BIT(fan)))
- return 0;
- if (nr == 1 && data->ALARM_BITS[FAN_ALARM_BASE + fan] == -1)
- return 0;
- if (nr == 2 && data->BEEP_BITS[FAN_ALARM_BASE + fan] == -1)
- return 0;
- if (nr == 3 && !data->REG_FAN_PULSES[fan])
- return 0;
- if (nr == 4 && !(data->has_fan_min & BIT(fan)))
- return 0;
- if (nr == 5 && data->kind != nct6775)
- return 0;
- return nct6775_attr_mode(data, attr);
- }
- SENSOR_TEMPLATE(fan_input, "fan%d_input", 0444, show_fan, NULL, 0);
- SENSOR_TEMPLATE(fan_alarm, "fan%d_alarm", 0444, nct6775_show_alarm, NULL, FAN_ALARM_BASE);
- SENSOR_TEMPLATE(fan_beep, "fan%d_beep", 0644, nct6775_show_beep,
- nct6775_store_beep, FAN_ALARM_BASE);
- SENSOR_TEMPLATE(fan_pulses, "fan%d_pulses", 0644, show_fan_pulses, store_fan_pulses, 0);
- SENSOR_TEMPLATE(fan_min, "fan%d_min", 0644, show_fan_min, store_fan_min, 0);
- SENSOR_TEMPLATE(fan_div, "fan%d_div", 0444, show_fan_div, NULL, 0);
- /*
- * nct6775_fan_is_visible uses the index into the following array
- * to determine if attributes should be created or not.
- * Any change in order or content must be matched.
- */
- static struct sensor_device_template *nct6775_attributes_fan_template[] = {
- &sensor_dev_template_fan_input,
- &sensor_dev_template_fan_alarm, /* 1 */
- &sensor_dev_template_fan_beep, /* 2 */
- &sensor_dev_template_fan_pulses,
- &sensor_dev_template_fan_min, /* 4 */
- &sensor_dev_template_fan_div, /* 5 */
- NULL
- };
- static const struct sensor_template_group nct6775_fan_template_group = {
- .templates = nct6775_attributes_fan_template,
- .is_visible = nct6775_fan_is_visible,
- .base = 1,
- };
- static ssize_t
- show_temp_label(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- if (IS_ERR(data))
- return PTR_ERR(data);
- return sprintf(buf, "%s\n", data->temp_label[data->temp_src[nr]]);
- }
- static ssize_t
- show_temp(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
- int index = sattr->index;
- if (IS_ERR(data))
- return PTR_ERR(data);
- return sprintf(buf, "%d\n", LM75_TEMP_FROM_REG(data->temp[index][nr]));
- }
- static ssize_t
- store_temp(struct device *dev, struct device_attribute *attr, const char *buf,
- size_t count)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
- int index = sattr->index;
- int err;
- long val;
- err = kstrtol(buf, 10, &val);
- if (err < 0)
- return err;
- mutex_lock(&data->update_lock);
- data->temp[index][nr] = LM75_TEMP_TO_REG(val);
- err = nct6775_write_temp(data, data->reg_temp[index][nr], data->temp[index][nr]);
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- static ssize_t
- show_temp_offset(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- if (IS_ERR(data))
- return PTR_ERR(data);
- return sprintf(buf, "%d\n", data->temp_offset[sattr->index] * 1000);
- }
- static ssize_t
- store_temp_offset(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- long val;
- int err;
- err = kstrtol(buf, 10, &val);
- if (err < 0)
- return err;
- val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127);
- mutex_lock(&data->update_lock);
- data->temp_offset[nr] = val;
- err = nct6775_write_value(data, data->REG_TEMP_OFFSET[nr], val);
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- static ssize_t
- show_temp_type(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- if (IS_ERR(data))
- return PTR_ERR(data);
- return sprintf(buf, "%d\n", (int)data->temp_type[nr]);
- }
- static ssize_t
- store_temp_type(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- unsigned long val;
- int err;
- u8 vbit, dbit;
- u16 vbat, diode;
- if (IS_ERR(data))
- return PTR_ERR(data);
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- if (val != 1 && val != 3 && val != 4)
- return -EINVAL;
- mutex_lock(&data->update_lock);
- data->temp_type[nr] = val;
- vbit = 0x02 << nr;
- dbit = data->DIODE_MASK << nr;
- err = nct6775_read_value(data, data->REG_VBAT, &vbat);
- if (err)
- goto out;
- vbat &= ~vbit;
- err = nct6775_read_value(data, data->REG_DIODE, &diode);
- if (err)
- goto out;
- diode &= ~dbit;
- switch (val) {
- case 1: /* CPU diode (diode, current mode) */
- vbat |= vbit;
- diode |= dbit;
- break;
- case 3: /* diode, voltage mode */
- vbat |= dbit;
- break;
- case 4: /* thermistor */
- break;
- }
- err = nct6775_write_value(data, data->REG_VBAT, vbat);
- if (err)
- goto out;
- err = nct6775_write_value(data, data->REG_DIODE, diode);
- out:
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- static umode_t nct6775_temp_is_visible(struct kobject *kobj,
- struct attribute *attr, int index)
- {
- struct device *dev = kobj_to_dev(kobj);
- struct nct6775_data *data = dev_get_drvdata(dev);
- int temp = index / 10; /* temp index */
- int nr = index % 10; /* attribute index */
- if (!(data->have_temp & BIT(temp)))
- return 0;
- if (nr == 1 && !data->temp_label)
- return 0;
- if (nr == 2 && find_temp_source(data, temp, data->num_temp_alarms) < 0)
- return 0; /* alarm */
- if (nr == 3 && find_temp_source(data, temp, data->num_temp_beeps) < 0)
- return 0; /* beep */
- if (nr == 4 && !data->reg_temp[1][temp]) /* max */
- return 0;
- if (nr == 5 && !data->reg_temp[2][temp]) /* max_hyst */
- return 0;
- if (nr == 6 && !data->reg_temp[3][temp]) /* crit */
- return 0;
- if (nr == 7 && !data->reg_temp[4][temp]) /* lcrit */
- return 0;
- /* offset and type only apply to fixed sensors */
- if (nr > 7 && !(data->have_temp_fixed & BIT(temp)))
- return 0;
- return nct6775_attr_mode(data, attr);
- }
- SENSOR_TEMPLATE_2(temp_input, "temp%d_input", 0444, show_temp, NULL, 0, 0);
- SENSOR_TEMPLATE(temp_label, "temp%d_label", 0444, show_temp_label, NULL, 0);
- SENSOR_TEMPLATE_2(temp_max, "temp%d_max", 0644, show_temp, store_temp, 0, 1);
- SENSOR_TEMPLATE_2(temp_max_hyst, "temp%d_max_hyst", 0644, show_temp, store_temp, 0, 2);
- SENSOR_TEMPLATE_2(temp_crit, "temp%d_crit", 0644, show_temp, store_temp, 0, 3);
- SENSOR_TEMPLATE_2(temp_lcrit, "temp%d_lcrit", 0644, show_temp, store_temp, 0, 4);
- SENSOR_TEMPLATE(temp_offset, "temp%d_offset", 0644, show_temp_offset, store_temp_offset, 0);
- SENSOR_TEMPLATE(temp_type, "temp%d_type", 0644, show_temp_type, store_temp_type, 0);
- SENSOR_TEMPLATE(temp_alarm, "temp%d_alarm", 0444, show_temp_alarm, NULL, 0);
- SENSOR_TEMPLATE(temp_beep, "temp%d_beep", 0644, show_temp_beep, store_temp_beep, 0);
- /*
- * nct6775_temp_is_visible uses the index into the following array
- * to determine if attributes should be created or not.
- * Any change in order or content must be matched.
- */
- static struct sensor_device_template *nct6775_attributes_temp_template[] = {
- &sensor_dev_template_temp_input,
- &sensor_dev_template_temp_label,
- &sensor_dev_template_temp_alarm, /* 2 */
- &sensor_dev_template_temp_beep, /* 3 */
- &sensor_dev_template_temp_max, /* 4 */
- &sensor_dev_template_temp_max_hyst, /* 5 */
- &sensor_dev_template_temp_crit, /* 6 */
- &sensor_dev_template_temp_lcrit, /* 7 */
- &sensor_dev_template_temp_offset, /* 8 */
- &sensor_dev_template_temp_type, /* 9 */
- NULL
- };
- static const struct sensor_template_group nct6775_temp_template_group = {
- .templates = nct6775_attributes_temp_template,
- .is_visible = nct6775_temp_is_visible,
- .base = 1,
- };
- static ssize_t show_tsi_temp(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- if (IS_ERR(data))
- return PTR_ERR(data);
- return sysfs_emit(buf, "%u\n", tsi_temp_from_reg(data->tsi_temp[sattr->index]));
- }
- static ssize_t show_tsi_temp_label(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- return sysfs_emit(buf, "TSI%d_TEMP\n", sattr->index);
- }
- SENSOR_TEMPLATE(tsi_temp_input, "temp%d_input", 0444, show_tsi_temp, NULL, 0);
- SENSOR_TEMPLATE(tsi_temp_label, "temp%d_label", 0444, show_tsi_temp_label, NULL, 0);
- static umode_t nct6775_tsi_temp_is_visible(struct kobject *kobj, struct attribute *attr,
- int index)
- {
- struct device *dev = kobj_to_dev(kobj);
- struct nct6775_data *data = dev_get_drvdata(dev);
- int temp = index / 2;
- return (data->have_tsi_temp & BIT(temp)) ? nct6775_attr_mode(data, attr) : 0;
- }
- /*
- * The index calculation in nct6775_tsi_temp_is_visible() must be kept in
- * sync with the size of this array.
- */
- static struct sensor_device_template *nct6775_tsi_temp_template[] = {
- &sensor_dev_template_tsi_temp_input,
- &sensor_dev_template_tsi_temp_label,
- NULL
- };
- static ssize_t
- show_pwm_mode(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- if (IS_ERR(data))
- return PTR_ERR(data);
- return sprintf(buf, "%d\n", data->pwm_mode[sattr->index]);
- }
- static ssize_t
- store_pwm_mode(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- unsigned long val;
- int err;
- u16 reg;
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- if (val > 1)
- return -EINVAL;
- /* Setting DC mode (0) is not supported for all chips/channels */
- if (data->REG_PWM_MODE[nr] == 0) {
- if (!val)
- return -EINVAL;
- return count;
- }
- mutex_lock(&data->update_lock);
- data->pwm_mode[nr] = val;
- err = nct6775_read_value(data, data->REG_PWM_MODE[nr], ®);
- if (err)
- goto out;
- reg &= ~data->PWM_MODE_MASK[nr];
- if (!val)
- reg |= data->PWM_MODE_MASK[nr];
- err = nct6775_write_value(data, data->REG_PWM_MODE[nr], reg);
- out:
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- static ssize_t
- show_pwm(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
- int index = sattr->index;
- int err;
- u16 pwm;
- if (IS_ERR(data))
- return PTR_ERR(data);
- /*
- * For automatic fan control modes, show current pwm readings.
- * Otherwise, show the configured value.
- */
- if (index == 0 && data->pwm_enable[nr] > manual) {
- err = nct6775_read_value(data, data->REG_PWM_READ[nr], &pwm);
- if (err)
- return err;
- } else {
- pwm = data->pwm[index][nr];
- }
- return sprintf(buf, "%d\n", pwm);
- }
- static ssize_t
- store_pwm(struct device *dev, struct device_attribute *attr, const char *buf,
- size_t count)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
- int index = sattr->index;
- unsigned long val;
- int minval[7] = { 0, 1, 1, data->pwm[2][nr], 0, 0, 0 };
- int maxval[7]
- = { 255, 255, data->pwm[3][nr] ? : 255, 255, 255, 255, 255 };
- int err;
- u16 reg;
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- val = clamp_val(val, minval[index], maxval[index]);
- mutex_lock(&data->update_lock);
- data->pwm[index][nr] = val;
- err = nct6775_write_value(data, data->REG_PWM[index][nr], val);
- if (err)
- goto out;
- if (index == 2) { /* floor: disable if val == 0 */
- err = nct6775_read_value(data, data->REG_TEMP_SEL[nr], ®);
- if (err)
- goto out;
- reg &= 0x7f;
- if (val)
- reg |= 0x80;
- err = nct6775_write_value(data, data->REG_TEMP_SEL[nr], reg);
- }
- out:
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- /* Returns 0 if OK, -EINVAL otherwise */
- static int check_trip_points(struct nct6775_data *data, int nr)
- {
- int i;
- for (i = 0; i < data->auto_pwm_num - 1; i++) {
- if (data->auto_temp[nr][i] > data->auto_temp[nr][i + 1])
- return -EINVAL;
- }
- for (i = 0; i < data->auto_pwm_num - 1; i++) {
- if (data->auto_pwm[nr][i] > data->auto_pwm[nr][i + 1])
- return -EINVAL;
- }
- /* validate critical temperature and pwm if enabled (pwm > 0) */
- if (data->auto_pwm[nr][data->auto_pwm_num]) {
- if (data->auto_temp[nr][data->auto_pwm_num - 1] >
- data->auto_temp[nr][data->auto_pwm_num] ||
- data->auto_pwm[nr][data->auto_pwm_num - 1] >
- data->auto_pwm[nr][data->auto_pwm_num])
- return -EINVAL;
- }
- return 0;
- }
- static int pwm_update_registers(struct nct6775_data *data, int nr)
- {
- u16 reg;
- int err;
- switch (data->pwm_enable[nr]) {
- case off:
- case manual:
- break;
- case speed_cruise:
- err = nct6775_read_value(data, data->REG_FAN_MODE[nr], ®);
- if (err)
- return err;
- reg = (reg & ~data->tolerance_mask) |
- (data->target_speed_tolerance[nr] & data->tolerance_mask);
- err = nct6775_write_value(data, data->REG_FAN_MODE[nr], reg);
- if (err)
- return err;
- err = nct6775_write_value(data, data->REG_TARGET[nr],
- data->target_speed[nr] & 0xff);
- if (err)
- return err;
- if (data->REG_TOLERANCE_H) {
- reg = (data->target_speed[nr] >> 8) & 0x0f;
- reg |= (data->target_speed_tolerance[nr] & 0x38) << 1;
- err = nct6775_write_value(data, data->REG_TOLERANCE_H[nr], reg);
- if (err)
- return err;
- }
- break;
- case thermal_cruise:
- err = nct6775_write_value(data, data->REG_TARGET[nr], data->target_temp[nr]);
- if (err)
- return err;
- fallthrough;
- default:
- err = nct6775_read_value(data, data->REG_FAN_MODE[nr], ®);
- if (err)
- return err;
- reg = (reg & ~data->tolerance_mask) |
- data->temp_tolerance[0][nr];
- err = nct6775_write_value(data, data->REG_FAN_MODE[nr], reg);
- if (err)
- return err;
- break;
- }
- return 0;
- }
- static ssize_t
- show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- if (IS_ERR(data))
- return PTR_ERR(data);
- return sprintf(buf, "%d\n", data->pwm_enable[sattr->index]);
- }
- static ssize_t
- store_pwm_enable(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- unsigned long val;
- int err;
- u16 reg;
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- if (val > sf4)
- return -EINVAL;
- if (val == sf3 && data->kind != nct6775)
- return -EINVAL;
- if (val == sf4 && check_trip_points(data, nr)) {
- dev_err(dev, "Inconsistent trip points, not switching to SmartFan IV mode\n");
- dev_err(dev, "Adjust trip points and try again\n");
- return -EINVAL;
- }
- mutex_lock(&data->update_lock);
- data->pwm_enable[nr] = val;
- if (val == off) {
- /*
- * turn off pwm control: select manual mode, set pwm to maximum
- */
- data->pwm[0][nr] = 255;
- err = nct6775_write_value(data, data->REG_PWM[0][nr], 255);
- if (err)
- goto out;
- }
- err = pwm_update_registers(data, nr);
- if (err)
- goto out;
- err = nct6775_read_value(data, data->REG_FAN_MODE[nr], ®);
- if (err)
- goto out;
- reg &= 0x0f;
- reg |= pwm_enable_to_reg(val) << 4;
- err = nct6775_write_value(data, data->REG_FAN_MODE[nr], reg);
- out:
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- static ssize_t
- show_pwm_temp_sel_common(struct nct6775_data *data, char *buf, int src)
- {
- int i, sel = 0;
- for (i = 0; i < NUM_TEMP; i++) {
- if (!(data->have_temp & BIT(i)))
- continue;
- if (src == data->temp_src[i]) {
- sel = i + 1;
- break;
- }
- }
- return sprintf(buf, "%d\n", sel);
- }
- static ssize_t
- show_pwm_temp_sel(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int index = sattr->index;
- if (IS_ERR(data))
- return PTR_ERR(data);
- return show_pwm_temp_sel_common(data, buf, data->pwm_temp_sel[index]);
- }
- static ssize_t
- store_pwm_temp_sel(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- unsigned long val;
- int err, src;
- u16 reg;
- if (IS_ERR(data))
- return PTR_ERR(data);
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- if (val == 0 || val > NUM_TEMP)
- return -EINVAL;
- if (!(data->have_temp & BIT(val - 1)) || !data->temp_src[val - 1])
- return -EINVAL;
- mutex_lock(&data->update_lock);
- src = data->temp_src[val - 1];
- data->pwm_temp_sel[nr] = src;
- err = nct6775_read_value(data, data->REG_TEMP_SEL[nr], ®);
- if (err)
- goto out;
- reg &= 0xe0;
- reg |= src;
- err = nct6775_write_value(data, data->REG_TEMP_SEL[nr], reg);
- out:
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- static ssize_t
- show_pwm_weight_temp_sel(struct device *dev, struct device_attribute *attr,
- char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int index = sattr->index;
- if (IS_ERR(data))
- return PTR_ERR(data);
- return show_pwm_temp_sel_common(data, buf,
- data->pwm_weight_temp_sel[index]);
- }
- static ssize_t
- store_pwm_weight_temp_sel(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- unsigned long val;
- int err, src;
- u16 reg;
- if (IS_ERR(data))
- return PTR_ERR(data);
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- if (val > NUM_TEMP)
- return -EINVAL;
- val = array_index_nospec(val, NUM_TEMP + 1);
- if (val && (!(data->have_temp & BIT(val - 1)) ||
- !data->temp_src[val - 1]))
- return -EINVAL;
- mutex_lock(&data->update_lock);
- if (val) {
- src = data->temp_src[val - 1];
- data->pwm_weight_temp_sel[nr] = src;
- err = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[nr], ®);
- if (err)
- goto out;
- reg &= 0xe0;
- reg |= (src | 0x80);
- err = nct6775_write_value(data, data->REG_WEIGHT_TEMP_SEL[nr], reg);
- } else {
- data->pwm_weight_temp_sel[nr] = 0;
- err = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[nr], ®);
- if (err)
- goto out;
- reg &= 0x7f;
- err = nct6775_write_value(data, data->REG_WEIGHT_TEMP_SEL[nr], reg);
- }
- out:
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- static ssize_t
- show_target_temp(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- if (IS_ERR(data))
- return PTR_ERR(data);
- return sprintf(buf, "%d\n", data->target_temp[sattr->index] * 1000);
- }
- static ssize_t
- store_target_temp(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- unsigned long val;
- int err;
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0,
- data->target_temp_mask);
- mutex_lock(&data->update_lock);
- data->target_temp[nr] = val;
- err = pwm_update_registers(data, nr);
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- static ssize_t
- show_target_speed(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- if (IS_ERR(data))
- return PTR_ERR(data);
- return sprintf(buf, "%d\n",
- fan_from_reg16(data->target_speed[nr],
- data->fan_div[nr]));
- }
- static ssize_t
- store_target_speed(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- unsigned long val;
- int err;
- u16 speed;
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- val = clamp_val(val, 0, 1350000U);
- speed = fan_to_reg(val, data->fan_div[nr]);
- mutex_lock(&data->update_lock);
- data->target_speed[nr] = speed;
- err = pwm_update_registers(data, nr);
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- static ssize_t
- show_temp_tolerance(struct device *dev, struct device_attribute *attr,
- char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
- int index = sattr->index;
- if (IS_ERR(data))
- return PTR_ERR(data);
- return sprintf(buf, "%d\n", data->temp_tolerance[index][nr] * 1000);
- }
- static ssize_t
- store_temp_tolerance(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
- int index = sattr->index;
- unsigned long val;
- int err;
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- /* Limit tolerance as needed */
- val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, data->tolerance_mask);
- mutex_lock(&data->update_lock);
- data->temp_tolerance[index][nr] = val;
- if (index)
- err = pwm_update_registers(data, nr);
- else
- err = nct6775_write_value(data, data->REG_CRITICAL_TEMP_TOLERANCE[nr], val);
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- /*
- * Fan speed tolerance is a tricky beast, since the associated register is
- * a tick counter, but the value is reported and configured as rpm.
- * Compute resulting low and high rpm values and report the difference.
- * A fan speed tolerance only makes sense if a fan target speed has been
- * configured, so only display values other than 0 if that is the case.
- */
- static ssize_t
- show_speed_tolerance(struct device *dev, struct device_attribute *attr,
- char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- int target, tolerance = 0;
- if (IS_ERR(data))
- return PTR_ERR(data);
- target = data->target_speed[nr];
- if (target) {
- int low = target - data->target_speed_tolerance[nr];
- int high = target + data->target_speed_tolerance[nr];
- if (low <= 0)
- low = 1;
- if (high > 0xffff)
- high = 0xffff;
- if (high < low)
- high = low;
- tolerance = (fan_from_reg16(low, data->fan_div[nr])
- - fan_from_reg16(high, data->fan_div[nr])) / 2;
- }
- return sprintf(buf, "%d\n", tolerance);
- }
- static ssize_t
- store_speed_tolerance(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- int nr = sattr->index;
- unsigned long val;
- int err;
- int low, high;
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- high = fan_from_reg16(data->target_speed[nr], data->fan_div[nr]) + val;
- low = fan_from_reg16(data->target_speed[nr], data->fan_div[nr]) - val;
- if (low <= 0)
- low = 1;
- if (high < low)
- high = low;
- val = (fan_to_reg(low, data->fan_div[nr]) -
- fan_to_reg(high, data->fan_div[nr])) / 2;
- /* Limit tolerance as needed */
- val = clamp_val(val, 0, data->speed_tolerance_limit);
- mutex_lock(&data->update_lock);
- data->target_speed_tolerance[nr] = val;
- err = pwm_update_registers(data, nr);
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- SENSOR_TEMPLATE_2(pwm, "pwm%d", 0644, show_pwm, store_pwm, 0, 0);
- SENSOR_TEMPLATE(pwm_mode, "pwm%d_mode", 0644, show_pwm_mode, store_pwm_mode, 0);
- SENSOR_TEMPLATE(pwm_enable, "pwm%d_enable", 0644, show_pwm_enable, store_pwm_enable, 0);
- SENSOR_TEMPLATE(pwm_temp_sel, "pwm%d_temp_sel", 0644, show_pwm_temp_sel, store_pwm_temp_sel, 0);
- SENSOR_TEMPLATE(pwm_target_temp, "pwm%d_target_temp", 0644, show_target_temp, store_target_temp, 0);
- SENSOR_TEMPLATE(fan_target, "fan%d_target", 0644, show_target_speed, store_target_speed, 0);
- SENSOR_TEMPLATE(fan_tolerance, "fan%d_tolerance", 0644, show_speed_tolerance,
- store_speed_tolerance, 0);
- /* Smart Fan registers */
- static ssize_t
- show_weight_temp(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
- int index = sattr->index;
- if (IS_ERR(data))
- return PTR_ERR(data);
- return sprintf(buf, "%d\n", data->weight_temp[index][nr] * 1000);
- }
- static ssize_t
- store_weight_temp(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
- int index = sattr->index;
- unsigned long val;
- int err;
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 255);
- mutex_lock(&data->update_lock);
- data->weight_temp[index][nr] = val;
- err = nct6775_write_value(data, data->REG_WEIGHT_TEMP[index][nr], val);
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- SENSOR_TEMPLATE(pwm_weight_temp_sel, "pwm%d_weight_temp_sel", 0644,
- show_pwm_weight_temp_sel, store_pwm_weight_temp_sel, 0);
- SENSOR_TEMPLATE_2(pwm_weight_temp_step, "pwm%d_weight_temp_step",
- 0644, show_weight_temp, store_weight_temp, 0, 0);
- SENSOR_TEMPLATE_2(pwm_weight_temp_step_tol, "pwm%d_weight_temp_step_tol",
- 0644, show_weight_temp, store_weight_temp, 0, 1);
- SENSOR_TEMPLATE_2(pwm_weight_temp_step_base, "pwm%d_weight_temp_step_base",
- 0644, show_weight_temp, store_weight_temp, 0, 2);
- SENSOR_TEMPLATE_2(pwm_weight_duty_step, "pwm%d_weight_duty_step", 0644, show_pwm, store_pwm, 0, 5);
- SENSOR_TEMPLATE_2(pwm_weight_duty_base, "pwm%d_weight_duty_base", 0644, show_pwm, store_pwm, 0, 6);
- static ssize_t
- show_fan_time(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
- int index = sattr->index;
- if (IS_ERR(data))
- return PTR_ERR(data);
- return sprintf(buf, "%d\n",
- step_time_from_reg(data->fan_time[index][nr],
- data->pwm_mode[nr]));
- }
- static ssize_t
- store_fan_time(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
- int index = sattr->index;
- unsigned long val;
- int err;
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- val = step_time_to_reg(val, data->pwm_mode[nr]);
- mutex_lock(&data->update_lock);
- data->fan_time[index][nr] = val;
- err = nct6775_write_value(data, data->REG_FAN_TIME[index][nr], val);
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- static ssize_t
- show_auto_pwm(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- if (IS_ERR(data))
- return PTR_ERR(data);
- return sprintf(buf, "%d\n", data->auto_pwm[sattr->nr][sattr->index]);
- }
- static ssize_t
- store_auto_pwm(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
- int point = sattr->index;
- unsigned long val;
- int err;
- u16 reg;
- err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
- if (val > 255)
- return -EINVAL;
- if (point == data->auto_pwm_num) {
- if (data->kind != nct6775 && !val)
- return -EINVAL;
- if (data->kind != nct6779 && val)
- val = 0xff;
- }
- mutex_lock(&data->update_lock);
- data->auto_pwm[nr][point] = val;
- if (point < data->auto_pwm_num) {
- err = nct6775_write_value(data, NCT6775_AUTO_PWM(data, nr, point),
- data->auto_pwm[nr][point]);
- } else {
- switch (data->kind) {
- case nct6775:
- /* disable if needed (pwm == 0) */
- err = nct6775_read_value(data, NCT6775_REG_CRITICAL_ENAB[nr], ®);
- if (err)
- break;
- if (val)
- reg |= 0x02;
- else
- reg &= ~0x02;
- err = nct6775_write_value(data, NCT6775_REG_CRITICAL_ENAB[nr], reg);
- break;
- case nct6776:
- break; /* always enabled, nothing to do */
- case nct6106:
- case nct6116:
- case nct6779:
- case nct6791:
- case nct6792:
- case nct6793:
- case nct6795:
- case nct6796:
- case nct6797:
- case nct6798:
- err = nct6775_write_value(data, data->REG_CRITICAL_PWM[nr], val);
- if (err)
- break;
- err = nct6775_read_value(data, data->REG_CRITICAL_PWM_ENABLE[nr], ®);
- if (err)
- break;
- if (val == 255)
- reg &= ~data->CRITICAL_PWM_ENABLE_MASK;
- else
- reg |= data->CRITICAL_PWM_ENABLE_MASK;
- err = nct6775_write_value(data, data->REG_CRITICAL_PWM_ENABLE[nr], reg);
- break;
- }
- }
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- static ssize_t
- show_auto_temp(struct device *dev, struct device_attribute *attr, char *buf)
- {
- struct nct6775_data *data = nct6775_update_device(dev);
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
- int point = sattr->index;
- if (IS_ERR(data))
- return PTR_ERR(data);
- /*
- * We don't know for sure if the temperature is signed or unsigned.
- * Assume it is unsigned.
- */
- return sprintf(buf, "%d\n", data->auto_temp[nr][point] * 1000);
- }
- static ssize_t
- store_auto_temp(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct nct6775_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
- int nr = sattr->nr;
- int point = sattr->index;
- unsigned long val;
- int err;
- err = kstrtoul(buf, 10, &val);
- if (err)
- return err;
- if (val > 255000)
- return -EINVAL;
- mutex_lock(&data->update_lock);
- data->auto_temp[nr][point] = DIV_ROUND_CLOSEST(val, 1000);
- if (point < data->auto_pwm_num) {
- err = nct6775_write_value(data, NCT6775_AUTO_TEMP(data, nr, point),
- data->auto_temp[nr][point]);
- } else {
- err = nct6775_write_value(data, data->REG_CRITICAL_TEMP[nr],
- data->auto_temp[nr][point]);
- }
- mutex_unlock(&data->update_lock);
- return err ? : count;
- }
- static umode_t nct6775_pwm_is_visible(struct kobject *kobj,
- struct attribute *attr, int index)
- {
- struct device *dev = kobj_to_dev(kobj);
- struct nct6775_data *data = dev_get_drvdata(dev);
- int pwm = index / 36; /* pwm index */
- int nr = index % 36; /* attribute index */
- if (!(data->has_pwm & BIT(pwm)))
- return 0;
- if ((nr >= 14 && nr <= 18) || nr == 21) /* weight */
- if (!data->REG_WEIGHT_TEMP_SEL[pwm])
- return 0;
- if (nr == 19 && data->REG_PWM[3] == NULL) /* pwm_max */
- return 0;
- if (nr == 20 && data->REG_PWM[4] == NULL) /* pwm_step */
- return 0;
- if (nr == 21 && data->REG_PWM[6] == NULL) /* weight_duty_base */
- return 0;
- if (nr >= 22 && nr <= 35) { /* auto point */
- int api = (nr - 22) / 2; /* auto point index */
- if (api > data->auto_pwm_num)
- return 0;
- }
- return nct6775_attr_mode(data, attr);
- }
- SENSOR_TEMPLATE_2(pwm_stop_time, "pwm%d_stop_time", 0644, show_fan_time, store_fan_time, 0, 0);
- SENSOR_TEMPLATE_2(pwm_step_up_time, "pwm%d_step_up_time", 0644,
- show_fan_time, store_fan_time, 0, 1);
- SENSOR_TEMPLATE_2(pwm_step_down_time, "pwm%d_step_down_time", 0644,
- show_fan_time, store_fan_time, 0, 2);
- SENSOR_TEMPLATE_2(pwm_start, "pwm%d_start", 0644, show_pwm, store_pwm, 0, 1);
- SENSOR_TEMPLATE_2(pwm_floor, "pwm%d_floor", 0644, show_pwm, store_pwm, 0, 2);
- SENSOR_TEMPLATE_2(pwm_temp_tolerance, "pwm%d_temp_tolerance", 0644,
- show_temp_tolerance, store_temp_tolerance, 0, 0);
- SENSOR_TEMPLATE_2(pwm_crit_temp_tolerance, "pwm%d_crit_temp_tolerance",
- 0644, show_temp_tolerance, store_temp_tolerance, 0, 1);
- SENSOR_TEMPLATE_2(pwm_max, "pwm%d_max", 0644, show_pwm, store_pwm, 0, 3);
- SENSOR_TEMPLATE_2(pwm_step, "pwm%d_step", 0644, show_pwm, store_pwm, 0, 4);
- SENSOR_TEMPLATE_2(pwm_auto_point1_pwm, "pwm%d_auto_point1_pwm",
- 0644, show_auto_pwm, store_auto_pwm, 0, 0);
- SENSOR_TEMPLATE_2(pwm_auto_point1_temp, "pwm%d_auto_point1_temp",
- 0644, show_auto_temp, store_auto_temp, 0, 0);
- SENSOR_TEMPLATE_2(pwm_auto_point2_pwm, "pwm%d_auto_point2_pwm",
- 0644, show_auto_pwm, store_auto_pwm, 0, 1);
- SENSOR_TEMPLATE_2(pwm_auto_point2_temp, "pwm%d_auto_point2_temp",
- 0644, show_auto_temp, store_auto_temp, 0, 1);
- SENSOR_TEMPLATE_2(pwm_auto_point3_pwm, "pwm%d_auto_point3_pwm",
- 0644, show_auto_pwm, store_auto_pwm, 0, 2);
- SENSOR_TEMPLATE_2(pwm_auto_point3_temp, "pwm%d_auto_point3_temp",
- 0644, show_auto_temp, store_auto_temp, 0, 2);
- SENSOR_TEMPLATE_2(pwm_auto_point4_pwm, "pwm%d_auto_point4_pwm",
- 0644, show_auto_pwm, store_auto_pwm, 0, 3);
- SENSOR_TEMPLATE_2(pwm_auto_point4_temp, "pwm%d_auto_point4_temp",
- 0644, show_auto_temp, store_auto_temp, 0, 3);
- SENSOR_TEMPLATE_2(pwm_auto_point5_pwm, "pwm%d_auto_point5_pwm",
- 0644, show_auto_pwm, store_auto_pwm, 0, 4);
- SENSOR_TEMPLATE_2(pwm_auto_point5_temp, "pwm%d_auto_point5_temp",
- 0644, show_auto_temp, store_auto_temp, 0, 4);
- SENSOR_TEMPLATE_2(pwm_auto_point6_pwm, "pwm%d_auto_point6_pwm",
- 0644, show_auto_pwm, store_auto_pwm, 0, 5);
- SENSOR_TEMPLATE_2(pwm_auto_point6_temp, "pwm%d_auto_point6_temp",
- 0644, show_auto_temp, store_auto_temp, 0, 5);
- SENSOR_TEMPLATE_2(pwm_auto_point7_pwm, "pwm%d_auto_point7_pwm",
- 0644, show_auto_pwm, store_auto_pwm, 0, 6);
- SENSOR_TEMPLATE_2(pwm_auto_point7_temp, "pwm%d_auto_point7_temp",
- 0644, show_auto_temp, store_auto_temp, 0, 6);
- /*
- * nct6775_pwm_is_visible uses the index into the following array
- * to determine if attributes should be created or not.
- * Any change in order or content must be matched.
- */
- static struct sensor_device_template *nct6775_attributes_pwm_template[] = {
- &sensor_dev_template_pwm,
- &sensor_dev_template_pwm_mode,
- &sensor_dev_template_pwm_enable,
- &sensor_dev_template_pwm_temp_sel,
- &sensor_dev_template_pwm_temp_tolerance,
- &sensor_dev_template_pwm_crit_temp_tolerance,
- &sensor_dev_template_pwm_target_temp,
- &sensor_dev_template_fan_target,
- &sensor_dev_template_fan_tolerance,
- &sensor_dev_template_pwm_stop_time,
- &sensor_dev_template_pwm_step_up_time,
- &sensor_dev_template_pwm_step_down_time,
- &sensor_dev_template_pwm_start,
- &sensor_dev_template_pwm_floor,
- &sensor_dev_template_pwm_weight_temp_sel, /* 14 */
- &sensor_dev_template_pwm_weight_temp_step,
- &sensor_dev_template_pwm_weight_temp_step_tol,
- &sensor_dev_template_pwm_weight_temp_step_base,
- &sensor_dev_template_pwm_weight_duty_step, /* 18 */
- &sensor_dev_template_pwm_max, /* 19 */
- &sensor_dev_template_pwm_step, /* 20 */
- &sensor_dev_template_pwm_weight_duty_base, /* 21 */
- &sensor_dev_template_pwm_auto_point1_pwm, /* 22 */
- &sensor_dev_template_pwm_auto_point1_temp,
- &sensor_dev_template_pwm_auto_point2_pwm,
- &sensor_dev_template_pwm_auto_point2_temp,
- &sensor_dev_template_pwm_auto_point3_pwm,
- &sensor_dev_template_pwm_auto_point3_temp,
- &sensor_dev_template_pwm_auto_point4_pwm,
- &sensor_dev_template_pwm_auto_point4_temp,
- &sensor_dev_template_pwm_auto_point5_pwm,
- &sensor_dev_template_pwm_auto_point5_temp,
- &sensor_dev_template_pwm_auto_point6_pwm,
- &sensor_dev_template_pwm_auto_point6_temp,
- &sensor_dev_template_pwm_auto_point7_pwm,
- &sensor_dev_template_pwm_auto_point7_temp, /* 35 */
- NULL
- };
- static const struct sensor_template_group nct6775_pwm_template_group = {
- .templates = nct6775_attributes_pwm_template,
- .is_visible = nct6775_pwm_is_visible,
- .base = 1,
- };
- static inline int nct6775_init_device(struct nct6775_data *data)
- {
- int i, err;
- u16 tmp, diode;
- /* Start monitoring if needed */
- if (data->REG_CONFIG) {
- err = nct6775_read_value(data, data->REG_CONFIG, &tmp);
- if (err)
- return err;
- if (!(tmp & 0x01)) {
- err = nct6775_write_value(data, data->REG_CONFIG, tmp | 0x01);
- if (err)
- return err;
- }
- }
- /* Enable temperature sensors if needed */
- for (i = 0; i < NUM_TEMP; i++) {
- if (!(data->have_temp & BIT(i)))
- continue;
- if (!data->reg_temp_config[i])
- continue;
- err = nct6775_read_value(data, data->reg_temp_config[i], &tmp);
- if (err)
- return err;
- if (tmp & 0x01) {
- err = nct6775_write_value(data, data->reg_temp_config[i], tmp & 0xfe);
- if (err)
- return err;
- }
- }
- /* Enable VBAT monitoring if needed */
- err = nct6775_read_value(data, data->REG_VBAT, &tmp);
- if (err)
- return err;
- if (!(tmp & 0x01)) {
- err = nct6775_write_value(data, data->REG_VBAT, tmp | 0x01);
- if (err)
- return err;
- }
- err = nct6775_read_value(data, data->REG_DIODE, &diode);
- if (err)
- return err;
- for (i = 0; i < data->temp_fixed_num; i++) {
- if (!(data->have_temp_fixed & BIT(i)))
- continue;
- if ((tmp & (data->DIODE_MASK << i))) /* diode */
- data->temp_type[i]
- = 3 - ((diode >> i) & data->DIODE_MASK);
- else /* thermistor */
- data->temp_type[i] = 4;
- }
- return 0;
- }
- static int add_temp_sensors(struct nct6775_data *data, const u16 *regp,
- int *available, int *mask)
- {
- int i, err;
- u16 src;
- for (i = 0; i < data->pwm_num && *available; i++) {
- int index;
- if (!regp[i])
- continue;
- err = nct6775_read_value(data, regp[i], &src);
- if (err)
- return err;
- src &= 0x1f;
- if (!src || (*mask & BIT(src)))
- continue;
- if (!(data->temp_mask & BIT(src)))
- continue;
- index = __ffs(*available);
- err = nct6775_write_value(data, data->REG_TEMP_SOURCE[index], src);
- if (err)
- return err;
- *available &= ~BIT(index);
- *mask |= BIT(src);
- }
- return 0;
- }
- int nct6775_probe(struct device *dev, struct nct6775_data *data,
- const struct regmap_config *regmapcfg)
- {
- int i, s, err = 0;
- int mask, available;
- u16 src;
- const u16 *reg_temp, *reg_temp_over, *reg_temp_hyst, *reg_temp_config;
- const u16 *reg_temp_mon, *reg_temp_alternate, *reg_temp_crit;
- const u16 *reg_temp_crit_l = NULL, *reg_temp_crit_h = NULL;
- int num_reg_temp, num_reg_temp_mon, num_reg_tsi_temp;
- struct device *hwmon_dev;
- struct sensor_template_group tsi_temp_tg;
- data->regmap = devm_regmap_init(dev, NULL, data, regmapcfg);
- if (IS_ERR(data->regmap))
- return PTR_ERR(data->regmap);
- mutex_init(&data->update_lock);
- data->name = nct6775_device_names[data->kind];
- data->bank = 0xff; /* Force initial bank selection */
- switch (data->kind) {
- case nct6106:
- data->in_num = 9;
- data->pwm_num = 3;
- data->auto_pwm_num = 4;
- data->temp_fixed_num = 3;
- data->num_temp_alarms = 6;
- data->num_temp_beeps = 6;
- data->fan_from_reg = fan_from_reg13;
- data->fan_from_reg_min = fan_from_reg13;
- data->temp_label = nct6776_temp_label;
- data->temp_mask = NCT6776_TEMP_MASK;
- data->virt_temp_mask = NCT6776_VIRT_TEMP_MASK;
- data->REG_VBAT = NCT6106_REG_VBAT;
- data->REG_DIODE = NCT6106_REG_DIODE;
- data->DIODE_MASK = NCT6106_DIODE_MASK;
- data->REG_VIN = NCT6106_REG_IN;
- data->REG_IN_MINMAX[0] = NCT6106_REG_IN_MIN;
- data->REG_IN_MINMAX[1] = NCT6106_REG_IN_MAX;
- data->REG_TARGET = NCT6106_REG_TARGET;
- data->REG_FAN = NCT6106_REG_FAN;
- data->REG_FAN_MODE = NCT6106_REG_FAN_MODE;
- data->REG_FAN_MIN = NCT6106_REG_FAN_MIN;
- data->REG_FAN_PULSES = NCT6106_REG_FAN_PULSES;
- data->FAN_PULSE_SHIFT = NCT6106_FAN_PULSE_SHIFT;
- data->REG_FAN_TIME[0] = NCT6106_REG_FAN_STOP_TIME;
- data->REG_FAN_TIME[1] = NCT6106_REG_FAN_STEP_UP_TIME;
- data->REG_FAN_TIME[2] = NCT6106_REG_FAN_STEP_DOWN_TIME;
- data->REG_TOLERANCE_H = NCT6106_REG_TOLERANCE_H;
- data->REG_PWM[0] = NCT6116_REG_PWM;
- data->REG_PWM[1] = NCT6106_REG_FAN_START_OUTPUT;
- data->REG_PWM[2] = NCT6106_REG_FAN_STOP_OUTPUT;
- data->REG_PWM[5] = NCT6106_REG_WEIGHT_DUTY_STEP;
- data->REG_PWM[6] = NCT6106_REG_WEIGHT_DUTY_BASE;
- data->REG_PWM_READ = NCT6106_REG_PWM_READ;
- data->REG_PWM_MODE = NCT6106_REG_PWM_MODE;
- data->PWM_MODE_MASK = NCT6106_PWM_MODE_MASK;
- data->REG_AUTO_TEMP = NCT6106_REG_AUTO_TEMP;
- data->REG_AUTO_PWM = NCT6106_REG_AUTO_PWM;
- data->REG_CRITICAL_TEMP = NCT6106_REG_CRITICAL_TEMP;
- data->REG_CRITICAL_TEMP_TOLERANCE
- = NCT6106_REG_CRITICAL_TEMP_TOLERANCE;
- data->REG_CRITICAL_PWM_ENABLE = NCT6106_REG_CRITICAL_PWM_ENABLE;
- data->CRITICAL_PWM_ENABLE_MASK
- = NCT6106_CRITICAL_PWM_ENABLE_MASK;
- data->REG_CRITICAL_PWM = NCT6106_REG_CRITICAL_PWM;
- data->REG_TEMP_OFFSET = NCT6106_REG_TEMP_OFFSET;
- data->REG_TEMP_SOURCE = NCT6106_REG_TEMP_SOURCE;
- data->REG_TEMP_SEL = NCT6116_REG_TEMP_SEL;
- data->REG_WEIGHT_TEMP_SEL = NCT6106_REG_WEIGHT_TEMP_SEL;
- data->REG_WEIGHT_TEMP[0] = NCT6106_REG_WEIGHT_TEMP_STEP;
- data->REG_WEIGHT_TEMP[1] = NCT6106_REG_WEIGHT_TEMP_STEP_TOL;
- data->REG_WEIGHT_TEMP[2] = NCT6106_REG_WEIGHT_TEMP_BASE;
- data->REG_ALARM = NCT6106_REG_ALARM;
- data->ALARM_BITS = NCT6106_ALARM_BITS;
- data->REG_BEEP = NCT6106_REG_BEEP;
- data->BEEP_BITS = NCT6106_BEEP_BITS;
- data->REG_TSI_TEMP = NCT6106_REG_TSI_TEMP;
- reg_temp = NCT6106_REG_TEMP;
- reg_temp_mon = NCT6106_REG_TEMP_MON;
- num_reg_temp = ARRAY_SIZE(NCT6106_REG_TEMP);
- num_reg_temp_mon = ARRAY_SIZE(NCT6106_REG_TEMP_MON);
- num_reg_tsi_temp = ARRAY_SIZE(NCT6106_REG_TSI_TEMP);
- reg_temp_over = NCT6106_REG_TEMP_OVER;
- reg_temp_hyst = NCT6106_REG_TEMP_HYST;
- reg_temp_config = NCT6106_REG_TEMP_CONFIG;
- reg_temp_alternate = NCT6106_REG_TEMP_ALTERNATE;
- reg_temp_crit = NCT6106_REG_TEMP_CRIT;
- reg_temp_crit_l = NCT6106_REG_TEMP_CRIT_L;
- reg_temp_crit_h = NCT6106_REG_TEMP_CRIT_H;
- break;
- case nct6116:
- data->in_num = 9;
- data->pwm_num = 3;
- data->auto_pwm_num = 4;
- data->temp_fixed_num = 3;
- data->num_temp_alarms = 3;
- data->num_temp_beeps = 3;
- data->fan_from_reg = fan_from_reg13;
- data->fan_from_reg_min = fan_from_reg13;
- data->temp_label = nct6776_temp_label;
- data->temp_mask = NCT6776_TEMP_MASK;
- data->virt_temp_mask = NCT6776_VIRT_TEMP_MASK;
- data->REG_VBAT = NCT6106_REG_VBAT;
- data->REG_DIODE = NCT6106_REG_DIODE;
- data->DIODE_MASK = NCT6106_DIODE_MASK;
- data->REG_VIN = NCT6106_REG_IN;
- data->REG_IN_MINMAX[0] = NCT6106_REG_IN_MIN;
- data->REG_IN_MINMAX[1] = NCT6106_REG_IN_MAX;
- data->REG_TARGET = NCT6116_REG_TARGET;
- data->REG_FAN = NCT6116_REG_FAN;
- data->REG_FAN_MODE = NCT6116_REG_FAN_MODE;
- data->REG_FAN_MIN = NCT6116_REG_FAN_MIN;
- data->REG_FAN_PULSES = NCT6116_REG_FAN_PULSES;
- data->FAN_PULSE_SHIFT = NCT6116_FAN_PULSE_SHIFT;
- data->REG_FAN_TIME[0] = NCT6116_REG_FAN_STOP_TIME;
- data->REG_FAN_TIME[1] = NCT6116_REG_FAN_STEP_UP_TIME;
- data->REG_FAN_TIME[2] = NCT6116_REG_FAN_STEP_DOWN_TIME;
- data->REG_TOLERANCE_H = NCT6116_REG_TOLERANCE_H;
- data->REG_PWM[0] = NCT6116_REG_PWM;
- data->REG_PWM[1] = NCT6116_REG_FAN_START_OUTPUT;
- data->REG_PWM[2] = NCT6116_REG_FAN_STOP_OUTPUT;
- data->REG_PWM[5] = NCT6106_REG_WEIGHT_DUTY_STEP;
- data->REG_PWM[6] = NCT6106_REG_WEIGHT_DUTY_BASE;
- data->REG_PWM_READ = NCT6106_REG_PWM_READ;
- data->REG_PWM_MODE = NCT6106_REG_PWM_MODE;
- data->PWM_MODE_MASK = NCT6106_PWM_MODE_MASK;
- data->REG_AUTO_TEMP = NCT6116_REG_AUTO_TEMP;
- data->REG_AUTO_PWM = NCT6116_REG_AUTO_PWM;
- data->REG_CRITICAL_TEMP = NCT6116_REG_CRITICAL_TEMP;
- data->REG_CRITICAL_TEMP_TOLERANCE
- = NCT6116_REG_CRITICAL_TEMP_TOLERANCE;
- data->REG_CRITICAL_PWM_ENABLE = NCT6116_REG_CRITICAL_PWM_ENABLE;
- data->CRITICAL_PWM_ENABLE_MASK
- = NCT6106_CRITICAL_PWM_ENABLE_MASK;
- data->REG_CRITICAL_PWM = NCT6116_REG_CRITICAL_PWM;
- data->REG_TEMP_OFFSET = NCT6106_REG_TEMP_OFFSET;
- data->REG_TEMP_SOURCE = NCT6116_REG_TEMP_SOURCE;
- data->REG_TEMP_SEL = NCT6116_REG_TEMP_SEL;
- data->REG_WEIGHT_TEMP_SEL = NCT6106_REG_WEIGHT_TEMP_SEL;
- data->REG_WEIGHT_TEMP[0] = NCT6106_REG_WEIGHT_TEMP_STEP;
- data->REG_WEIGHT_TEMP[1] = NCT6106_REG_WEIGHT_TEMP_STEP_TOL;
- data->REG_WEIGHT_TEMP[2] = NCT6106_REG_WEIGHT_TEMP_BASE;
- data->REG_ALARM = NCT6106_REG_ALARM;
- data->ALARM_BITS = NCT6116_ALARM_BITS;
- data->REG_BEEP = NCT6106_REG_BEEP;
- data->BEEP_BITS = NCT6116_BEEP_BITS;
- data->REG_TSI_TEMP = NCT6116_REG_TSI_TEMP;
- reg_temp = NCT6106_REG_TEMP;
- reg_temp_mon = NCT6106_REG_TEMP_MON;
- num_reg_temp = ARRAY_SIZE(NCT6106_REG_TEMP);
- num_reg_temp_mon = ARRAY_SIZE(NCT6106_REG_TEMP_MON);
- num_reg_tsi_temp = ARRAY_SIZE(NCT6116_REG_TSI_TEMP);
- reg_temp_over = NCT6106_REG_TEMP_OVER;
- reg_temp_hyst = NCT6106_REG_TEMP_HYST;
- reg_temp_config = NCT6106_REG_TEMP_CONFIG;
- reg_temp_alternate = NCT6106_REG_TEMP_ALTERNATE;
- reg_temp_crit = NCT6106_REG_TEMP_CRIT;
- reg_temp_crit_l = NCT6106_REG_TEMP_CRIT_L;
- reg_temp_crit_h = NCT6106_REG_TEMP_CRIT_H;
- break;
- case nct6775:
- data->in_num = 9;
- data->pwm_num = 3;
- data->auto_pwm_num = 6;
- data->has_fan_div = true;
- data->temp_fixed_num = 3;
- data->num_temp_alarms = 3;
- data->num_temp_beeps = 3;
- data->ALARM_BITS = NCT6775_ALARM_BITS;
- data->BEEP_BITS = NCT6775_BEEP_BITS;
- data->fan_from_reg = fan_from_reg16;
- data->fan_from_reg_min = fan_from_reg8;
- data->target_temp_mask = 0x7f;
- data->tolerance_mask = 0x0f;
- data->speed_tolerance_limit = 15;
- data->temp_label = nct6775_temp_label;
- data->temp_mask = NCT6775_TEMP_MASK;
- data->virt_temp_mask = NCT6775_VIRT_TEMP_MASK;
- data->REG_CONFIG = NCT6775_REG_CONFIG;
- data->REG_VBAT = NCT6775_REG_VBAT;
- data->REG_DIODE = NCT6775_REG_DIODE;
- data->DIODE_MASK = NCT6775_DIODE_MASK;
- data->REG_VIN = NCT6775_REG_IN;
- data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN;
- data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX;
- data->REG_TARGET = NCT6775_REG_TARGET;
- data->REG_FAN = NCT6775_REG_FAN;
- data->REG_FAN_MODE = NCT6775_REG_FAN_MODE;
- data->REG_FAN_MIN = NCT6775_REG_FAN_MIN;
- data->REG_FAN_PULSES = NCT6775_REG_FAN_PULSES;
- data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT;
- data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME;
- data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME;
- data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME;
- data->REG_PWM[0] = NCT6775_REG_PWM;
- data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
- data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT;
- data->REG_PWM[3] = NCT6775_REG_FAN_MAX_OUTPUT;
- data->REG_PWM[4] = NCT6775_REG_FAN_STEP_OUTPUT;
- data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP;
- data->REG_PWM_READ = NCT6775_REG_PWM_READ;
- data->REG_PWM_MODE = NCT6775_REG_PWM_MODE;
- data->PWM_MODE_MASK = NCT6775_PWM_MODE_MASK;
- data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP;
- data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM;
- data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP;
- data->REG_CRITICAL_TEMP_TOLERANCE
- = NCT6775_REG_CRITICAL_TEMP_TOLERANCE;
- data->REG_TEMP_OFFSET = NCT6775_REG_TEMP_OFFSET;
- data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE;
- data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL;
- data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL;
- data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP;
- data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL;
- data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE;
- data->REG_ALARM = NCT6775_REG_ALARM;
- data->REG_BEEP = NCT6775_REG_BEEP;
- data->REG_TSI_TEMP = NCT6775_REG_TSI_TEMP;
- reg_temp = NCT6775_REG_TEMP;
- reg_temp_mon = NCT6775_REG_TEMP_MON;
- num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP);
- num_reg_temp_mon = ARRAY_SIZE(NCT6775_REG_TEMP_MON);
- num_reg_tsi_temp = ARRAY_SIZE(NCT6775_REG_TSI_TEMP);
- reg_temp_over = NCT6775_REG_TEMP_OVER;
- reg_temp_hyst = NCT6775_REG_TEMP_HYST;
- reg_temp_config = NCT6775_REG_TEMP_CONFIG;
- reg_temp_alternate = NCT6775_REG_TEMP_ALTERNATE;
- reg_temp_crit = NCT6775_REG_TEMP_CRIT;
- break;
- case nct6776:
- data->in_num = 9;
- data->pwm_num = 3;
- data->auto_pwm_num = 4;
- data->has_fan_div = false;
- data->temp_fixed_num = 3;
- data->num_temp_alarms = 3;
- data->num_temp_beeps = 6;
- data->ALARM_BITS = NCT6776_ALARM_BITS;
- data->BEEP_BITS = NCT6776_BEEP_BITS;
- data->fan_from_reg = fan_from_reg13;
- data->fan_from_reg_min = fan_from_reg13;
- data->target_temp_mask = 0xff;
- data->tolerance_mask = 0x07;
- data->speed_tolerance_limit = 63;
- data->temp_label = nct6776_temp_label;
- data->temp_mask = NCT6776_TEMP_MASK;
- data->virt_temp_mask = NCT6776_VIRT_TEMP_MASK;
- data->REG_CONFIG = NCT6775_REG_CONFIG;
- data->REG_VBAT = NCT6775_REG_VBAT;
- data->REG_DIODE = NCT6775_REG_DIODE;
- data->DIODE_MASK = NCT6775_DIODE_MASK;
- data->REG_VIN = NCT6775_REG_IN;
- data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN;
- data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX;
- data->REG_TARGET = NCT6775_REG_TARGET;
- data->REG_FAN = NCT6775_REG_FAN;
- data->REG_FAN_MODE = NCT6775_REG_FAN_MODE;
- data->REG_FAN_MIN = NCT6776_REG_FAN_MIN;
- data->REG_FAN_PULSES = NCT6776_REG_FAN_PULSES;
- data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT;
- data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME;
- data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME;
- data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME;
- data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H;
- data->REG_PWM[0] = NCT6775_REG_PWM;
- data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
- data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT;
- data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP;
- data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE;
- data->REG_PWM_READ = NCT6775_REG_PWM_READ;
- data->REG_PWM_MODE = NCT6776_REG_PWM_MODE;
- data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK;
- data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP;
- data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM;
- data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP;
- data->REG_CRITICAL_TEMP_TOLERANCE
- = NCT6775_REG_CRITICAL_TEMP_TOLERANCE;
- data->REG_TEMP_OFFSET = NCT6775_REG_TEMP_OFFSET;
- data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE;
- data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL;
- data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL;
- data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP;
- data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL;
- data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE;
- data->REG_ALARM = NCT6775_REG_ALARM;
- data->REG_BEEP = NCT6776_REG_BEEP;
- data->REG_TSI_TEMP = NCT6776_REG_TSI_TEMP;
- reg_temp = NCT6775_REG_TEMP;
- reg_temp_mon = NCT6775_REG_TEMP_MON;
- num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP);
- num_reg_temp_mon = ARRAY_SIZE(NCT6775_REG_TEMP_MON);
- num_reg_tsi_temp = ARRAY_SIZE(NCT6776_REG_TSI_TEMP);
- reg_temp_over = NCT6775_REG_TEMP_OVER;
- reg_temp_hyst = NCT6775_REG_TEMP_HYST;
- reg_temp_config = NCT6776_REG_TEMP_CONFIG;
- reg_temp_alternate = NCT6776_REG_TEMP_ALTERNATE;
- reg_temp_crit = NCT6776_REG_TEMP_CRIT;
- break;
- case nct6779:
- data->in_num = 15;
- data->pwm_num = 5;
- data->auto_pwm_num = 4;
- data->has_fan_div = false;
- data->temp_fixed_num = 6;
- data->num_temp_alarms = 2;
- data->num_temp_beeps = 2;
- data->ALARM_BITS = NCT6779_ALARM_BITS;
- data->BEEP_BITS = NCT6779_BEEP_BITS;
- data->fan_from_reg = fan_from_reg_rpm;
- data->fan_from_reg_min = fan_from_reg13;
- data->target_temp_mask = 0xff;
- data->tolerance_mask = 0x07;
- data->speed_tolerance_limit = 63;
- data->temp_label = nct6779_temp_label;
- data->temp_mask = NCT6779_TEMP_MASK;
- data->virt_temp_mask = NCT6779_VIRT_TEMP_MASK;
- data->REG_CONFIG = NCT6775_REG_CONFIG;
- data->REG_VBAT = NCT6775_REG_VBAT;
- data->REG_DIODE = NCT6775_REG_DIODE;
- data->DIODE_MASK = NCT6775_DIODE_MASK;
- data->REG_VIN = NCT6779_REG_IN;
- data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN;
- data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX;
- data->REG_TARGET = NCT6775_REG_TARGET;
- data->REG_FAN = NCT6779_REG_FAN;
- data->REG_FAN_MODE = NCT6775_REG_FAN_MODE;
- data->REG_FAN_MIN = NCT6776_REG_FAN_MIN;
- data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES;
- data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT;
- data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME;
- data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME;
- data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME;
- data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H;
- data->REG_PWM[0] = NCT6775_REG_PWM;
- data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
- data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT;
- data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP;
- data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE;
- data->REG_PWM_READ = NCT6775_REG_PWM_READ;
- data->REG_PWM_MODE = NCT6776_REG_PWM_MODE;
- data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK;
- data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP;
- data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM;
- data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP;
- data->REG_CRITICAL_TEMP_TOLERANCE
- = NCT6775_REG_CRITICAL_TEMP_TOLERANCE;
- data->REG_CRITICAL_PWM_ENABLE = NCT6779_REG_CRITICAL_PWM_ENABLE;
- data->CRITICAL_PWM_ENABLE_MASK
- = NCT6779_CRITICAL_PWM_ENABLE_MASK;
- data->REG_CRITICAL_PWM = NCT6779_REG_CRITICAL_PWM;
- data->REG_TEMP_OFFSET = NCT6779_REG_TEMP_OFFSET;
- data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE;
- data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL;
- data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL;
- data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP;
- data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL;
- data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE;
- data->REG_ALARM = NCT6779_REG_ALARM;
- data->REG_BEEP = NCT6776_REG_BEEP;
- data->REG_TSI_TEMP = NCT6776_REG_TSI_TEMP;
- reg_temp = NCT6779_REG_TEMP;
- reg_temp_mon = NCT6779_REG_TEMP_MON;
- num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP);
- num_reg_temp_mon = ARRAY_SIZE(NCT6779_REG_TEMP_MON);
- num_reg_tsi_temp = ARRAY_SIZE(NCT6776_REG_TSI_TEMP);
- reg_temp_over = NCT6779_REG_TEMP_OVER;
- reg_temp_hyst = NCT6779_REG_TEMP_HYST;
- reg_temp_config = NCT6779_REG_TEMP_CONFIG;
- reg_temp_alternate = NCT6779_REG_TEMP_ALTERNATE;
- reg_temp_crit = NCT6779_REG_TEMP_CRIT;
- break;
- case nct6791:
- case nct6792:
- case nct6793:
- case nct6795:
- case nct6796:
- case nct6797:
- case nct6798:
- data->in_num = 15;
- data->pwm_num = (data->kind == nct6796 ||
- data->kind == nct6797 ||
- data->kind == nct6798) ? 7 : 6;
- data->auto_pwm_num = 4;
- data->has_fan_div = false;
- data->temp_fixed_num = 6;
- data->num_temp_alarms = 2;
- data->num_temp_beeps = 2;
- data->ALARM_BITS = NCT6791_ALARM_BITS;
- data->BEEP_BITS = NCT6779_BEEP_BITS;
- data->fan_from_reg = fan_from_reg_rpm;
- data->fan_from_reg_min = fan_from_reg13;
- data->target_temp_mask = 0xff;
- data->tolerance_mask = 0x07;
- data->speed_tolerance_limit = 63;
- switch (data->kind) {
- default:
- case nct6791:
- data->temp_label = nct6779_temp_label;
- data->temp_mask = NCT6791_TEMP_MASK;
- data->virt_temp_mask = NCT6791_VIRT_TEMP_MASK;
- break;
- case nct6792:
- data->temp_label = nct6792_temp_label;
- data->temp_mask = NCT6792_TEMP_MASK;
- data->virt_temp_mask = NCT6792_VIRT_TEMP_MASK;
- break;
- case nct6793:
- data->temp_label = nct6793_temp_label;
- data->temp_mask = NCT6793_TEMP_MASK;
- data->virt_temp_mask = NCT6793_VIRT_TEMP_MASK;
- break;
- case nct6795:
- case nct6797:
- data->temp_label = nct6795_temp_label;
- data->temp_mask = NCT6795_TEMP_MASK;
- data->virt_temp_mask = NCT6795_VIRT_TEMP_MASK;
- break;
- case nct6796:
- data->temp_label = nct6796_temp_label;
- data->temp_mask = NCT6796_TEMP_MASK;
- data->virt_temp_mask = NCT6796_VIRT_TEMP_MASK;
- break;
- case nct6798:
- data->temp_label = nct6798_temp_label;
- data->temp_mask = NCT6798_TEMP_MASK;
- data->virt_temp_mask = NCT6798_VIRT_TEMP_MASK;
- break;
- }
- data->REG_CONFIG = NCT6775_REG_CONFIG;
- data->REG_VBAT = NCT6775_REG_VBAT;
- data->REG_DIODE = NCT6775_REG_DIODE;
- data->DIODE_MASK = NCT6775_DIODE_MASK;
- data->REG_VIN = NCT6779_REG_IN;
- data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN;
- data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX;
- data->REG_TARGET = NCT6775_REG_TARGET;
- data->REG_FAN = NCT6779_REG_FAN;
- data->REG_FAN_MODE = NCT6775_REG_FAN_MODE;
- data->REG_FAN_MIN = NCT6776_REG_FAN_MIN;
- data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES;
- data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT;
- data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME;
- data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME;
- data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME;
- data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H;
- data->REG_PWM[0] = NCT6775_REG_PWM;
- data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
- data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT;
- data->REG_PWM[5] = NCT6791_REG_WEIGHT_DUTY_STEP;
- data->REG_PWM[6] = NCT6791_REG_WEIGHT_DUTY_BASE;
- data->REG_PWM_READ = NCT6775_REG_PWM_READ;
- data->REG_PWM_MODE = NCT6776_REG_PWM_MODE;
- data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK;
- data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP;
- data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM;
- data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP;
- data->REG_CRITICAL_TEMP_TOLERANCE
- = NCT6775_REG_CRITICAL_TEMP_TOLERANCE;
- data->REG_CRITICAL_PWM_ENABLE = NCT6779_REG_CRITICAL_PWM_ENABLE;
- data->CRITICAL_PWM_ENABLE_MASK
- = NCT6779_CRITICAL_PWM_ENABLE_MASK;
- data->REG_CRITICAL_PWM = NCT6779_REG_CRITICAL_PWM;
- data->REG_TEMP_OFFSET = NCT6779_REG_TEMP_OFFSET;
- data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE;
- data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL;
- data->REG_WEIGHT_TEMP_SEL = NCT6791_REG_WEIGHT_TEMP_SEL;
- data->REG_WEIGHT_TEMP[0] = NCT6791_REG_WEIGHT_TEMP_STEP;
- data->REG_WEIGHT_TEMP[1] = NCT6791_REG_WEIGHT_TEMP_STEP_TOL;
- data->REG_WEIGHT_TEMP[2] = NCT6791_REG_WEIGHT_TEMP_BASE;
- data->REG_ALARM = NCT6791_REG_ALARM;
- if (data->kind == nct6791)
- data->REG_BEEP = NCT6776_REG_BEEP;
- else
- data->REG_BEEP = NCT6792_REG_BEEP;
- switch (data->kind) {
- case nct6791:
- case nct6792:
- case nct6793:
- data->REG_TSI_TEMP = NCT6776_REG_TSI_TEMP;
- num_reg_tsi_temp = ARRAY_SIZE(NCT6776_REG_TSI_TEMP);
- break;
- case nct6795:
- case nct6796:
- case nct6797:
- case nct6798:
- data->REG_TSI_TEMP = NCT6796_REG_TSI_TEMP;
- num_reg_tsi_temp = ARRAY_SIZE(NCT6796_REG_TSI_TEMP);
- break;
- default:
- num_reg_tsi_temp = 0;
- break;
- }
- reg_temp = NCT6779_REG_TEMP;
- num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP);
- if (data->kind == nct6791) {
- reg_temp_mon = NCT6779_REG_TEMP_MON;
- num_reg_temp_mon = ARRAY_SIZE(NCT6779_REG_TEMP_MON);
- } else {
- reg_temp_mon = NCT6792_REG_TEMP_MON;
- num_reg_temp_mon = ARRAY_SIZE(NCT6792_REG_TEMP_MON);
- }
- reg_temp_over = NCT6779_REG_TEMP_OVER;
- reg_temp_hyst = NCT6779_REG_TEMP_HYST;
- reg_temp_config = NCT6779_REG_TEMP_CONFIG;
- reg_temp_alternate = NCT6779_REG_TEMP_ALTERNATE;
- reg_temp_crit = NCT6779_REG_TEMP_CRIT;
- break;
- default:
- return -ENODEV;
- }
- data->have_in = BIT(data->in_num) - 1;
- data->have_temp = 0;
- /*
- * On some boards, not all available temperature sources are monitored,
- * even though some of the monitoring registers are unused.
- * Get list of unused monitoring registers, then detect if any fan
- * controls are configured to use unmonitored temperature sources.
- * If so, assign the unmonitored temperature sources to available
- * monitoring registers.
- */
- mask = 0;
- available = 0;
- for (i = 0; i < num_reg_temp; i++) {
- if (reg_temp[i] == 0)
- continue;
- err = nct6775_read_value(data, data->REG_TEMP_SOURCE[i], &src);
- if (err)
- return err;
- src &= 0x1f;
- if (!src || (mask & BIT(src)))
- available |= BIT(i);
- mask |= BIT(src);
- }
- /*
- * Now find unmonitored temperature registers and enable monitoring
- * if additional monitoring registers are available.
- */
- err = add_temp_sensors(data, data->REG_TEMP_SEL, &available, &mask);
- if (err)
- return err;
- err = add_temp_sensors(data, data->REG_WEIGHT_TEMP_SEL, &available, &mask);
- if (err)
- return err;
- mask = 0;
- s = NUM_TEMP_FIXED; /* First dynamic temperature attribute */
- for (i = 0; i < num_reg_temp; i++) {
- if (reg_temp[i] == 0)
- continue;
- err = nct6775_read_value(data, data->REG_TEMP_SOURCE[i], &src);
- if (err)
- return err;
- src &= 0x1f;
- if (!src || (mask & BIT(src)))
- continue;
- if (!(data->temp_mask & BIT(src))) {
- dev_info(dev,
- "Invalid temperature source %d at index %d, source register 0x%x, temp register 0x%x\n",
- src, i, data->REG_TEMP_SOURCE[i], reg_temp[i]);
- continue;
- }
- mask |= BIT(src);
- /* Use fixed index for SYSTIN(1), CPUTIN(2), AUXTIN(3) */
- if (src <= data->temp_fixed_num) {
- data->have_temp |= BIT(src - 1);
- data->have_temp_fixed |= BIT(src - 1);
- data->reg_temp[0][src - 1] = reg_temp[i];
- data->reg_temp[1][src - 1] = reg_temp_over[i];
- data->reg_temp[2][src - 1] = reg_temp_hyst[i];
- if (reg_temp_crit_h && reg_temp_crit_h[i])
- data->reg_temp[3][src - 1] = reg_temp_crit_h[i];
- else if (reg_temp_crit[src - 1])
- data->reg_temp[3][src - 1]
- = reg_temp_crit[src - 1];
- if (reg_temp_crit_l && reg_temp_crit_l[i])
- data->reg_temp[4][src - 1] = reg_temp_crit_l[i];
- data->reg_temp_config[src - 1] = reg_temp_config[i];
- data->temp_src[src - 1] = src;
- continue;
- }
- if (s >= NUM_TEMP)
- continue;
- /* Use dynamic index for other sources */
- data->have_temp |= BIT(s);
- data->reg_temp[0][s] = reg_temp[i];
- data->reg_temp[1][s] = reg_temp_over[i];
- data->reg_temp[2][s] = reg_temp_hyst[i];
- data->reg_temp_config[s] = reg_temp_config[i];
- if (reg_temp_crit_h && reg_temp_crit_h[i])
- data->reg_temp[3][s] = reg_temp_crit_h[i];
- else if (reg_temp_crit[src - 1])
- data->reg_temp[3][s] = reg_temp_crit[src - 1];
- if (reg_temp_crit_l && reg_temp_crit_l[i])
- data->reg_temp[4][s] = reg_temp_crit_l[i];
- data->temp_src[s] = src;
- s++;
- }
- /*
- * Repeat with temperatures used for fan control.
- * This set of registers does not support limits.
- */
- for (i = 0; i < num_reg_temp_mon; i++) {
- if (reg_temp_mon[i] == 0)
- continue;
- err = nct6775_read_value(data, data->REG_TEMP_SEL[i], &src);
- if (err)
- return err;
- src &= 0x1f;
- if (!src)
- continue;
- if (!(data->temp_mask & BIT(src))) {
- dev_info(dev,
- "Invalid temperature source %d at index %d, source register 0x%x, temp register 0x%x\n",
- src, i, data->REG_TEMP_SEL[i],
- reg_temp_mon[i]);
- continue;
- }
- /*
- * For virtual temperature sources, the 'virtual' temperature
- * for each fan reflects a different temperature, and there
- * are no duplicates.
- */
- if (!(data->virt_temp_mask & BIT(src))) {
- if (mask & BIT(src))
- continue;
- mask |= BIT(src);
- }
- /* Use fixed index for SYSTIN(1), CPUTIN(2), AUXTIN(3) */
- if (src <= data->temp_fixed_num) {
- if (data->have_temp & BIT(src - 1))
- continue;
- data->have_temp |= BIT(src - 1);
- data->have_temp_fixed |= BIT(src - 1);
- data->reg_temp[0][src - 1] = reg_temp_mon[i];
- data->temp_src[src - 1] = src;
- continue;
- }
- if (s >= NUM_TEMP)
- continue;
- /* Use dynamic index for other sources */
- data->have_temp |= BIT(s);
- data->reg_temp[0][s] = reg_temp_mon[i];
- data->temp_src[s] = src;
- s++;
- }
- #ifdef USE_ALTERNATE
- /*
- * Go through the list of alternate temp registers and enable
- * if possible.
- * The temperature is already monitored if the respective bit in <mask>
- * is set.
- */
- for (i = 0; i < 31; i++) {
- if (!(data->temp_mask & BIT(i + 1)))
- continue;
- if (!reg_temp_alternate[i])
- continue;
- if (mask & BIT(i + 1))
- continue;
- if (i < data->temp_fixed_num) {
- if (data->have_temp & BIT(i))
- continue;
- data->have_temp |= BIT(i);
- data->have_temp_fixed |= BIT(i);
- data->reg_temp[0][i] = reg_temp_alternate[i];
- if (i < num_reg_temp) {
- data->reg_temp[1][i] = reg_temp_over[i];
- data->reg_temp[2][i] = reg_temp_hyst[i];
- }
- data->temp_src[i] = i + 1;
- continue;
- }
- if (s >= NUM_TEMP) /* Abort if no more space */
- break;
- data->have_temp |= BIT(s);
- data->reg_temp[0][s] = reg_temp_alternate[i];
- data->temp_src[s] = i + 1;
- s++;
- }
- #endif /* USE_ALTERNATE */
- /* Check which TSIx_TEMP registers are active */
- for (i = 0; i < num_reg_tsi_temp; i++) {
- u16 tmp;
- err = nct6775_read_value(data, data->REG_TSI_TEMP[i], &tmp);
- if (err)
- return err;
- if (tmp)
- data->have_tsi_temp |= BIT(i);
- }
- /* Initialize the chip */
- err = nct6775_init_device(data);
- if (err)
- return err;
- if (data->driver_init) {
- err = data->driver_init(data);
- if (err)
- return err;
- }
- /* Read fan clock dividers immediately */
- err = nct6775_init_fan_common(dev, data);
- if (err)
- return err;
- /* Register sysfs hooks */
- err = nct6775_add_template_attr_group(dev, data, &nct6775_pwm_template_group,
- data->pwm_num);
- if (err)
- return err;
- err = nct6775_add_template_attr_group(dev, data, &nct6775_in_template_group,
- fls(data->have_in));
- if (err)
- return err;
- err = nct6775_add_template_attr_group(dev, data, &nct6775_fan_template_group,
- fls(data->has_fan));
- if (err)
- return err;
- err = nct6775_add_template_attr_group(dev, data, &nct6775_temp_template_group,
- fls(data->have_temp));
- if (err)
- return err;
- if (data->have_tsi_temp) {
- tsi_temp_tg.templates = nct6775_tsi_temp_template;
- tsi_temp_tg.is_visible = nct6775_tsi_temp_is_visible;
- tsi_temp_tg.base = fls(data->have_temp) + 1;
- err = nct6775_add_template_attr_group(dev, data, &tsi_temp_tg,
- fls(data->have_tsi_temp));
- if (err)
- return err;
- }
- hwmon_dev = devm_hwmon_device_register_with_groups(dev, data->name,
- data, data->groups);
- return PTR_ERR_OR_ZERO(hwmon_dev);
- }
- EXPORT_SYMBOL_GPL(nct6775_probe);
- MODULE_AUTHOR("Guenter Roeck <[email protected]>");
- MODULE_DESCRIPTION("Core driver for NCT6775F and compatible chips");
- MODULE_LICENSE("GPL");
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