| /* |
| * nct6775 - Driver for the hardware monitoring functionality of |
| * Nuvoton NCT677x Super-I/O chips |
| * |
| * Copyright (C) 2012 Guenter Roeck <linux@roeck-us.net> |
| * |
| * Derived from w83627ehf driver |
| * Copyright (C) 2005-2012 Jean Delvare <khali@linux-fr.org> |
| * Copyright (C) 2006 Yuan Mu (Winbond), |
| * Rudolf Marek <r.marek@assembler.cz> |
| * David Hubbard <david.c.hubbard@gmail.com> |
| * Daniel J Blueman <daniel.blueman@gmail.com> |
| * Copyright (C) 2010 Sheng-Yuan Huang (Nuvoton) (PS00) |
| * |
| * Shamelessly ripped from the w83627hf driver |
| * Copyright (C) 2003 Mark Studebaker |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| * |
| * |
| * Supports the following chips: |
| * |
| * Chip #vin #fan #pwm #temp chip IDs man ID |
| * 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 |
| * |
| * #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/platform_device.h> |
| #include <linux/hwmon.h> |
| #include <linux/hwmon-sysfs.h> |
| #include <linux/hwmon-vid.h> |
| #include <linux/err.h> |
| #include <linux/mutex.h> |
| #include <linux/acpi.h> |
| #include <linux/io.h> |
| #include "lm75.h" |
| |
| #define USE_ALTERNATE |
| |
| enum kinds { nct6775, nct6776, nct6779 }; |
| |
| /* used to set data->name = nct6775_device_names[data->sio_kind] */ |
| static const char * const nct6775_device_names[] = { |
| "nct6775", |
| "nct6776", |
| "nct6779", |
| }; |
| |
| static unsigned short force_id; |
| module_param(force_id, ushort, 0); |
| MODULE_PARM_DESC(force_id, "Override the detected device ID"); |
| |
| static unsigned short fan_debounce; |
| module_param(fan_debounce, ushort, 0); |
| MODULE_PARM_DESC(fan_debounce, "Enable debouncing for fan RPM signal"); |
| |
| #define DRVNAME "nct6775" |
| |
| /* |
| * Super-I/O constants and functions |
| */ |
| |
| #define NCT6775_LD_ACPI 0x0a |
| #define NCT6775_LD_HWM 0x0b |
| #define NCT6775_LD_VID 0x0d |
| |
| #define SIO_REG_LDSEL 0x07 /* Logical device select */ |
| #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ |
| #define SIO_REG_ENABLE 0x30 /* Logical device enable */ |
| #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */ |
| |
| #define SIO_NCT6775_ID 0xb470 |
| #define SIO_NCT6776_ID 0xc330 |
| #define SIO_NCT6779_ID 0xc560 |
| #define SIO_ID_MASK 0xFFF0 |
| |
| enum pwm_enable { off, manual, thermal_cruise, speed_cruise, sf3, sf4 }; |
| |
| static inline void |
| superio_outb(int ioreg, int reg, int val) |
| { |
| outb(reg, ioreg); |
| outb(val, ioreg + 1); |
| } |
| |
| static inline int |
| superio_inb(int ioreg, int reg) |
| { |
| outb(reg, ioreg); |
| return inb(ioreg + 1); |
| } |
| |
| static inline void |
| superio_select(int ioreg, int ld) |
| { |
| outb(SIO_REG_LDSEL, ioreg); |
| outb(ld, ioreg + 1); |
| } |
| |
| static inline int |
| superio_enter(int ioreg) |
| { |
| /* |
| * Try to reserve <ioreg> and <ioreg + 1> for exclusive access. |
| */ |
| if (!request_muxed_region(ioreg, 2, DRVNAME)) |
| return -EBUSY; |
| |
| outb(0x87, ioreg); |
| outb(0x87, ioreg); |
| |
| return 0; |
| } |
| |
| static inline void |
| superio_exit(int ioreg) |
| { |
| outb(0xaa, ioreg); |
| outb(0x02, ioreg); |
| outb(0x02, ioreg + 1); |
| release_region(ioreg, 2); |
| } |
| |
| /* |
| * ISA constants |
| */ |
| |
| #define IOREGION_ALIGNMENT (~7) |
| #define IOREGION_OFFSET 5 |
| #define IOREGION_LENGTH 2 |
| #define ADDR_REG_OFFSET 0 |
| #define DATA_REG_OFFSET 1 |
| |
| #define NCT6775_REG_BANK 0x4E |
| #define NCT6775_REG_CONFIG 0x40 |
| |
| /* |
| * Not currently used: |
| * REG_MAN_ID has the value 0x5ca3 for all supported chips. |
| * REG_CHIP_ID == 0x88/0xa1/0xc1 depending on chip model. |
| * REG_MAN_ID is at port 0x4f |
| * REG_CHIP_ID is at port 0x58 |
| */ |
| |
| #define NUM_TEMP 10 /* Max number of temp attribute sets w/ limits*/ |
| #define NUM_TEMP_FIXED 6 /* Max number of fixed temp attribute sets */ |
| |
| #define NUM_REG_ALARM 4 /* Max number of alarm registers */ |
| |
| /* 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_REG_FANDIV1 0x506 |
| #define NCT6775_REG_FANDIV2 0x507 |
| |
| #define NCT6775_REG_CR_FAN_DEBOUNCE 0xf0 |
| |
| static const u16 NCT6775_REG_ALARM[NUM_REG_ALARM] = { 0x459, 0x45A, 0x45B }; |
| |
| /* 0..15 voltages, 16..23 fans, 24..31 temperatures */ |
| |
| 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, 10, 23, /* fan1..fan5 */ |
| -1, -1, -1, /* unused */ |
| 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ |
| 12, -1 }; /* intrusion0, intrusion1 */ |
| |
| #define FAN_ALARM_BASE 16 |
| #define TEMP_ALARM_BASE 24 |
| #define INTRUSION_ALARM_BASE 30 |
| |
| static const u8 NCT6775_REG_CR_CASEOPEN_CLR[] = { 0xe6, 0xee }; |
| static const u8 NCT6775_CR_CASEOPEN_CLR_MASK[] = { 0x20, 0x01 }; |
| |
| /* 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 }; |
| static const u16 NCT6775_REG_FAN_MODE[] = { 0x102, 0x202, 0x302, 0x802, 0x902 }; |
| static const u16 NCT6775_REG_FAN_STEP_DOWN_TIME[] = { |
| 0x103, 0x203, 0x303, 0x803, 0x903 }; |
| static const u16 NCT6775_REG_FAN_STEP_UP_TIME[] = { |
| 0x104, 0x204, 0x304, 0x804, 0x904 }; |
| static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = { |
| 0x105, 0x205, 0x305, 0x805, 0x905 }; |
| static const u16 NCT6775_REG_FAN_START_OUTPUT[] |
| = { 0x106, 0x206, 0x306, 0x806, 0x906 }; |
| 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 }; |
| static const u16 NCT6775_REG_PWM[] = { 0x109, 0x209, 0x309, 0x809, 0x909 }; |
| static const u16 NCT6775_REG_PWM_READ[] = { 0x01, 0x03, 0x11, 0x13, 0x15 }; |
| |
| 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[] = { 0x641, 0x642, 0x643, 0x644, 0 }; |
| |
| static const u16 NCT6775_REG_TEMP[] = { |
| 0x27, 0x150, 0x250, 0x62b, 0x62c, 0x62d }; |
| |
| 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 }; |
| |
| static const u16 NCT6775_REG_WEIGHT_TEMP_SEL[] = { |
| 0x139, 0x239, 0x339, 0x839, 0x939 }; |
| static const u16 NCT6775_REG_WEIGHT_TEMP_STEP[] = { |
| 0x13a, 0x23a, 0x33a, 0x83a, 0x93a }; |
| static const u16 NCT6775_REG_WEIGHT_TEMP_STEP_TOL[] = { |
| 0x13b, 0x23b, 0x33b, 0x83b, 0x93b }; |
| static const u16 NCT6775_REG_WEIGHT_DUTY_STEP[] = { |
| 0x13c, 0x23c, 0x33c, 0x83c, 0x93c }; |
| static const u16 NCT6775_REG_WEIGHT_TEMP_BASE[] = { |
| 0x13d, 0x23d, 0x33d, 0x83d, 0x93d }; |
| |
| static const u16 NCT6775_REG_TEMP_OFFSET[] = { 0x454, 0x455, 0x456 }; |
| |
| static const u16 NCT6775_REG_AUTO_TEMP[] = { |
| 0x121, 0x221, 0x321, 0x821, 0x921 }; |
| static const u16 NCT6775_REG_AUTO_PWM[] = { |
| 0x127, 0x227, 0x327, 0x827, 0x927 }; |
| |
| #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 }; |
| static const u16 NCT6775_REG_CRITICAL_TEMP_TOLERANCE[] = { |
| 0x138, 0x238, 0x338, 0x838, 0x938 }; |
| |
| 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" |
| }; |
| |
| static const u16 NCT6775_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6775_temp_label) - 1] |
| = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x661, 0x662, 0x664 }; |
| |
| static const u16 NCT6775_REG_TEMP_CRIT[ARRAY_SIZE(nct6775_temp_label) - 1] |
| = { 0, 0, 0, 0, 0xa00, 0xa01, 0xa02, 0xa03, 0xa04, 0xa05, 0xa06, |
| 0xa07 }; |
| |
| /* NCT6776 specific data */ |
| |
| 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_TOLERANCE_H[] = { |
| 0x10c, 0x20c, 0x30c, 0x80c, 0x90c }; |
| |
| static const u8 NCT6776_REG_PWM_MODE[] = { 0x04, 0, 0 }; |
| static const u8 NCT6776_PWM_MODE_MASK[] = { 0x01, 0, 0 }; |
| |
| static const u16 NCT6776_REG_FAN_MIN[] = { 0x63a, 0x63c, 0x63e, 0x640, 0x642 }; |
| static const u16 NCT6776_REG_FAN_PULSES[] = { 0x644, 0x645, 0x646, 0, 0 }; |
| |
| static const u16 NCT6776_REG_WEIGHT_DUTY_BASE[] = { |
| 0x13e, 0x23e, 0x33e, 0x83e, 0x93e }; |
| |
| 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" |
| }; |
| |
| static const u16 NCT6776_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6776_temp_label) - 1] |
| = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x401, 0x402, 0x404 }; |
| |
| static const u16 NCT6776_REG_TEMP_CRIT[ARRAY_SIZE(nct6776_temp_label) - 1] |
| = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x709, 0x70a }; |
| |
| /* 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 u16 NCT6779_REG_FAN[] = { 0x4b0, 0x4b2, 0x4b4, 0x4b6, 0x4b8 }; |
| static const u16 NCT6779_REG_FAN_PULSES[] = { |
| 0x644, 0x645, 0x646, 0x647, 0x648 }; |
| |
| static const u16 NCT6779_REG_CRITICAL_PWM_ENABLE[] = { |
| 0x136, 0x236, 0x336, 0x836, 0x936 }; |
| static const u16 NCT6779_REG_CRITICAL_PWM[] = { |
| 0x137, 0x237, 0x337, 0x837, 0x937 }; |
| |
| static const u16 NCT6779_REG_TEMP[] = { 0x27, 0x150 }; |
| 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" |
| }; |
| |
| static const u16 NCT6779_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6779_temp_label) - 1] |
| = { 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[ARRAY_SIZE(nct6779_temp_label) - 1] |
| = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x709, 0x70a }; |
| |
| 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 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 1 << 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); |
| } |
| |
| /* |
| * Data structures and manipulation thereof |
| */ |
| |
| struct nct6775_data { |
| int addr; /* IO base of hw monitor block */ |
| enum kinds kind; |
| const char *name; |
| |
| struct device *hwmon_dev; |
| |
| u16 reg_temp[4][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst, |
| * 3=temp_crit |
| */ |
| u8 temp_src[NUM_TEMP]; |
| u16 reg_temp_config[NUM_TEMP]; |
| const char * const *temp_label; |
| int temp_label_num; |
| |
| u16 REG_CONFIG; |
| u16 REG_VBAT; |
| u16 REG_DIODE; |
| |
| const s8 *ALARM_BITS; |
| |
| const u16 *REG_VIN; |
| const u16 *REG_IN_MINMAX[2]; |
| |
| const u16 *REG_TARGET; |
| const u16 *REG_FAN; |
| const u16 *REG_FAN_MODE; |
| const u16 *REG_FAN_MIN; |
| const u16 *REG_FAN_PULSES; |
| const u16 *REG_FAN_TIME[3]; |
| |
| const u16 *REG_TOLERANCE_H; |
| |
| const u8 *REG_PWM_MODE; |
| const u8 *PWM_MODE_MASK; |
| |
| const u16 *REG_PWM[7]; /* [0]=pwm, [1]=pwm_start, [2]=pwm_floor, |
| * [3]=pwm_max, [4]=pwm_step, |
| * [5]=weight_duty_step, [6]=weight_duty_base |
| */ |
| const u16 *REG_PWM_READ; |
| |
| const u16 *REG_AUTO_TEMP; |
| const u16 *REG_AUTO_PWM; |
| |
| const u16 *REG_CRITICAL_TEMP; |
| const u16 *REG_CRITICAL_TEMP_TOLERANCE; |
| |
| const u16 *REG_TEMP_SOURCE; /* temp register sources */ |
| const u16 *REG_TEMP_SEL; |
| const u16 *REG_WEIGHT_TEMP_SEL; |
| const u16 *REG_WEIGHT_TEMP[3]; /* 0=base, 1=tolerance, 2=step */ |
| |
| const u16 *REG_TEMP_OFFSET; |
| |
| const u16 *REG_ALARM; |
| |
| unsigned int (*fan_from_reg)(u16 reg, unsigned int divreg); |
| unsigned int (*fan_from_reg_min)(u16 reg, unsigned int divreg); |
| |
| struct mutex update_lock; |
| bool valid; /* true if following fields are valid */ |
| unsigned long last_updated; /* In jiffies */ |
| |
| /* Register values */ |
| u8 bank; /* current register bank */ |
| u8 in_num; /* number of in inputs we have */ |
| u8 in[15][3]; /* [0]=in, [1]=in_max, [2]=in_min */ |
| unsigned int rpm[5]; |
| u16 fan_min[5]; |
| u8 fan_pulses[5]; |
| u8 fan_div[5]; |
| u8 has_pwm; |
| u8 has_fan; /* some fan inputs can be disabled */ |
| u8 has_fan_min; /* some fans don't have min register */ |
| bool has_fan_div; |
| |
| u8 temp_fixed_num; /* 3 or 6 */ |
| u8 temp_type[NUM_TEMP_FIXED]; |
| s8 temp_offset[NUM_TEMP_FIXED]; |
| s16 temp[4][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst, |
| * 3=temp_crit */ |
| u64 alarms; |
| |
| u8 pwm_num; /* number of pwm */ |
| u8 pwm_mode[5]; /* 1->DC variable voltage, 0->PWM variable duty cycle */ |
| enum pwm_enable pwm_enable[5]; |
| /* 0->off |
| * 1->manual |
| * 2->thermal cruise mode (also called SmartFan I) |
| * 3->fan speed cruise mode |
| * 4->SmartFan III |
| * 5->enhanced variable thermal cruise (SmartFan IV) |
| */ |
| u8 pwm[7][5]; /* [0]=pwm, [1]=pwm_start, [2]=pwm_floor, |
| * [3]=pwm_max, [4]=pwm_step, |
| * [5]=weight_duty_step, [6]=weight_duty_base |
| */ |
| |
| u8 target_temp[5]; |
| u8 target_temp_mask; |
| u32 target_speed[5]; |
| u32 target_speed_tolerance[5]; |
| u8 speed_tolerance_limit; |
| |
| u8 temp_tolerance[2][5]; |
| u8 tolerance_mask; |
| |
| u8 fan_time[3][5]; /* 0 = stop_time, 1 = step_up, 2 = step_down */ |
| |
| /* Automatic fan speed control registers */ |
| int auto_pwm_num; |
| u8 auto_pwm[5][7]; |
| u8 auto_temp[5][7]; |
| u8 pwm_temp_sel[5]; |
| u8 pwm_weight_temp_sel[5]; |
| u8 weight_temp[3][5]; /* 0->temp_step, 1->temp_step_tol, |
| * 2->temp_base |
| */ |
| |
| u8 vid; |
| u8 vrm; |
| |
| u16 have_temp; |
| u16 have_temp_fixed; |
| u16 have_in; |
| #ifdef CONFIG_PM |
| /* Remember extra register values over suspend/resume */ |
| u8 vbat; |
| u8 fandiv1; |
| u8 fandiv2; |
| #endif |
| }; |
| |
| struct nct6775_sio_data { |
| int sioreg; |
| enum kinds kind; |
| }; |
| |
| static bool is_word_sized(struct nct6775_data *data, u16 reg) |
| { |
| switch (data->kind) { |
| 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 & 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 == 0x640 || reg == 0x642 || |
| ((reg & 0xfff0) == 0x650 && (reg & 0x000f) >= 0x06) || |
| reg == 0x73 || reg == 0x75 || reg == 0x77; |
| case nct6779: |
| return reg == 0x150 || reg == 0x153 || reg == 0x155 || |
| ((reg & 0xfff0) == 0x4b0 && (reg & 0x000f) < 0x09) || |
| reg == 0x402 || |
| reg == 0x63a || reg == 0x63c || reg == 0x63e || |
| reg == 0x640 || reg == 0x642 || |
| reg == 0x73 || reg == 0x75 || reg == 0x77 || reg == 0x79 || |
| reg == 0x7b; |
| } |
| return false; |
| } |
| |
| /* |
| * On older chips, only registers 0x50-0x5f are banked. |
| * On more recent chips, all registers are banked. |
| * Assume that is the case and set the bank number for each access. |
| * Cache the bank number so it only needs to be set if it changes. |
| */ |
| static inline void nct6775_set_bank(struct nct6775_data *data, u16 reg) |
| { |
| u8 bank = reg >> 8; |
| if (data->bank != bank) { |
| outb_p(NCT6775_REG_BANK, data->addr + ADDR_REG_OFFSET); |
| outb_p(bank, data->addr + DATA_REG_OFFSET); |
| data->bank = bank; |
| } |
| } |
| |
| static u16 nct6775_read_value(struct nct6775_data *data, u16 reg) |
| { |
| int res, word_sized = is_word_sized(data, reg); |
| |
| nct6775_set_bank(data, reg); |
| outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET); |
| res = inb_p(data->addr + DATA_REG_OFFSET); |
| if (word_sized) { |
| outb_p((reg & 0xff) + 1, |
| data->addr + ADDR_REG_OFFSET); |
| res = (res << 8) + inb_p(data->addr + DATA_REG_OFFSET); |
| } |
| return res; |
| } |
| |
| static int nct6775_write_value(struct nct6775_data *data, u16 reg, u16 value) |
| { |
| int word_sized = is_word_sized(data, reg); |
| |
| nct6775_set_bank(data, reg); |
| outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET); |
| if (word_sized) { |
| outb_p(value >> 8, data->addr + DATA_REG_OFFSET); |
| outb_p((reg & 0xff) + 1, |
| data->addr + ADDR_REG_OFFSET); |
| } |
| outb_p(value & 0xff, data->addr + DATA_REG_OFFSET); |
| return 0; |
| } |
| |
| /* We left-align 8-bit temperature values to make the code simpler */ |
| static u16 nct6775_read_temp(struct nct6775_data *data, u16 reg) |
| { |
| u16 res; |
| |
| res = nct6775_read_value(data, reg); |
| if (!is_word_sized(data, reg)) |
| res <<= 8; |
| |
| return res; |
| } |
| |
| static int nct6775_write_temp(struct nct6775_data *data, u16 reg, u16 value) |
| { |
| if (!is_word_sized(data, reg)) |
| value >>= 8; |
| return nct6775_write_value(data, reg, value); |
| } |
| |
| /* This function assumes that the caller holds data->update_lock */ |
| static void nct6775_write_fan_div(struct nct6775_data *data, int nr) |
| { |
| u8 reg; |
| |
| switch (nr) { |
| case 0: |
| reg = (nct6775_read_value(data, NCT6775_REG_FANDIV1) & 0x70) |
| | (data->fan_div[0] & 0x7); |
| nct6775_write_value(data, NCT6775_REG_FANDIV1, reg); |
| break; |
| case 1: |
| reg = (nct6775_read_value(data, NCT6775_REG_FANDIV1) & 0x7) |
| | ((data->fan_div[1] << 4) & 0x70); |
| nct6775_write_value(data, NCT6775_REG_FANDIV1, reg); |
| break; |
| case 2: |
| reg = (nct6775_read_value(data, NCT6775_REG_FANDIV2) & 0x70) |
| | (data->fan_div[2] & 0x7); |
| nct6775_write_value(data, NCT6775_REG_FANDIV2, reg); |
| break; |
| case 3: |
| reg = (nct6775_read_value(data, NCT6775_REG_FANDIV2) & 0x7) |
| | ((data->fan_div[3] << 4) & 0x70); |
| nct6775_write_value(data, NCT6775_REG_FANDIV2, reg); |
| break; |
| } |
| } |
| |
| static void nct6775_write_fan_div_common(struct nct6775_data *data, int nr) |
| { |
| if (data->kind == nct6775) |
| nct6775_write_fan_div(data, nr); |
| } |
| |
| static void nct6775_update_fan_div(struct nct6775_data *data) |
| { |
| u8 i; |
| |
| i = nct6775_read_value(data, NCT6775_REG_FANDIV1); |
| data->fan_div[0] = i & 0x7; |
| data->fan_div[1] = (i & 0x70) >> 4; |
| i = nct6775_read_value(data, NCT6775_REG_FANDIV2); |
| data->fan_div[2] = i & 0x7; |
| if (data->has_fan & (1 << 3)) |
| data->fan_div[3] = (i & 0x70) >> 4; |
| } |
| |
| static void nct6775_update_fan_div_common(struct nct6775_data *data) |
| { |
| if (data->kind == nct6775) |
| nct6775_update_fan_div(data); |
| } |
| |
| static void nct6775_init_fan_div(struct nct6775_data *data) |
| { |
| int i; |
| |
| nct6775_update_fan_div_common(data); |
| /* |
| * 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 & (1 << i))) |
| continue; |
| if (data->fan_div[i] == 0) { |
| data->fan_div[i] = 7; |
| nct6775_write_fan_div_common(data, i); |
| } |
| } |
| } |
| |
| static void nct6775_init_fan_common(struct device *dev, |
| struct nct6775_data *data) |
| { |
| int i; |
| u8 reg; |
| |
| if (data->has_fan_div) |
| nct6775_init_fan_div(data); |
| |
| /* |
| * 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 & (1 << i)) { |
| reg = nct6775_read_value(data, data->REG_FAN_MIN[i]); |
| if (!reg) |
| nct6775_write_value(data, data->REG_FAN_MIN[i], |
| data->has_fan_div ? 0xff |
| : 0xff1f); |
| } |
| } |
| } |
| |
| static void nct6775_select_fan_div(struct device *dev, |
| struct nct6775_data *data, int nr, u16 reg) |
| { |
| u8 fan_div = data->fan_div[nr]; |
| u16 fan_min; |
| |
| if (!data->has_fan_div) |
| return; |
| |
| /* |
| * 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 & (1 << 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; |
| nct6775_write_value(data, data->REG_FAN_MIN[nr], |
| fan_min); |
| } |
| } |
| data->fan_div[nr] = fan_div; |
| nct6775_write_fan_div_common(data, nr); |
| } |
| } |
| |
| static void nct6775_update_pwm(struct device *dev) |
| { |
| struct nct6775_data *data = dev_get_drvdata(dev); |
| int i, j; |
| int fanmodecfg, reg; |
| bool duty_is_dc; |
| |
| for (i = 0; i < data->pwm_num; i++) { |
| if (!(data->has_pwm & (1 << i))) |
| continue; |
| |
| duty_is_dc = data->REG_PWM_MODE[i] && |
| (nct6775_read_value(data, data->REG_PWM_MODE[i]) |
| & data->PWM_MODE_MASK[i]); |
| data->pwm_mode[i] = duty_is_dc; |
| |
| fanmodecfg = nct6775_read_value(data, data->REG_FAN_MODE[i]); |
| for (j = 0; j < ARRAY_SIZE(data->REG_PWM); j++) { |
| if (data->REG_PWM[j] && data->REG_PWM[j][i]) { |
| data->pwm[j][i] |
| = nct6775_read_value(data, |
| data->REG_PWM[j][i]); |
| } |
| } |
| |
| 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) { |
| t |= (nct6775_read_value(data, |
| data->REG_TOLERANCE_H[i]) & 0x70) >> 1; |
| } |
| data->target_speed_tolerance[i] = t; |
| } |
| |
| data->temp_tolerance[1][i] = |
| nct6775_read_value(data, |
| data->REG_CRITICAL_TEMP_TOLERANCE[i]); |
| |
| reg = nct6775_read_value(data, data->REG_TEMP_SEL[i]); |
| data->pwm_temp_sel[i] = reg & 0x1f; |
| /* If fan can stop, report floor as 0 */ |
| if (reg & 0x80) |
| data->pwm[2][i] = 0; |
| |
| reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[i]); |
| data->pwm_weight_temp_sel[i] = reg & 0x1f; |
| /* If weight is disabled, report weight source as 0 */ |
| if (j == 1 && !(reg & 0x80)) |
| data->pwm_weight_temp_sel[i] = 0; |
| |
| /* Weight temp data */ |
| for (j = 0; j < ARRAY_SIZE(data->weight_temp); j++) { |
| data->weight_temp[j][i] |
| = nct6775_read_value(data, |
| data->REG_WEIGHT_TEMP[j][i]); |
| } |
| } |
| } |
| |
| static void nct6775_update_pwm_limits(struct device *dev) |
| { |
| struct nct6775_data *data = dev_get_drvdata(dev); |
| int i, j; |
| u8 reg; |
| u16 reg_t; |
| |
| for (i = 0; i < data->pwm_num; i++) { |
| if (!(data->has_pwm & (1 << i))) |
| continue; |
| |
| for (j = 0; j < ARRAY_SIZE(data->fan_time); j++) { |
| data->fan_time[j][i] = |
| nct6775_read_value(data, data->REG_FAN_TIME[j][i]); |
| } |
| |
| reg_t = nct6775_read_value(data, data->REG_TARGET[i]); |
| /* 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) { |
| reg_t |= (nct6775_read_value(data, |
| data->REG_TOLERANCE_H[i]) & 0x0f) << 8; |
| } |
| data->target_speed[i] = reg_t; |
| } |
| |
| for (j = 0; j < data->auto_pwm_num; j++) { |
| data->auto_pwm[i][j] = |
| nct6775_read_value(data, |
| NCT6775_AUTO_PWM(data, i, j)); |
| data->auto_temp[i][j] = |
| nct6775_read_value(data, |
| NCT6775_AUTO_TEMP(data, i, j)); |
| } |
| |
| /* critical auto_pwm temperature data */ |
| data->auto_temp[i][data->auto_pwm_num] = |
| nct6775_read_value(data, data->REG_CRITICAL_TEMP[i]); |
| |
| switch (data->kind) { |
| case nct6775: |
| reg = nct6775_read_value(data, |
| NCT6775_REG_CRITICAL_ENAB[i]); |
| 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 nct6779: |
| reg = nct6775_read_value(data, |
| NCT6779_REG_CRITICAL_PWM_ENABLE[i]); |
| if (reg & 1) |
| data->auto_pwm[i][data->auto_pwm_num] = |
| nct6775_read_value(data, |
| NCT6779_REG_CRITICAL_PWM[i]); |
| else |
| data->auto_pwm[i][data->auto_pwm_num] = 0xff; |
| break; |
| } |
| } |
| } |
| |
| static struct nct6775_data *nct6775_update_device(struct device *dev) |
| { |
| struct nct6775_data *data = dev_get_drvdata(dev); |
| int i, j; |
| |
| mutex_lock(&data->update_lock); |
| |
| if (time_after(jiffies, data->last_updated + HZ + HZ / 2) |
| || !data->valid) { |
| /* Fan clock dividers */ |
| nct6775_update_fan_div_common(data); |
| |
| /* Measured voltages and limits */ |
| for (i = 0; i < data->in_num; i++) { |
| if (!(data->have_in & (1 << i))) |
| continue; |
| |
| data->in[i][0] = nct6775_read_value(data, |
| data->REG_VIN[i]); |
| data->in[i][1] = nct6775_read_value(data, |
| data->REG_IN_MINMAX[0][i]); |
| data->in[i][2] = nct6775_read_value(data, |
| data->REG_IN_MINMAX[1][i]); |
| } |
| |
| /* Measured fan speeds and limits */ |
| for (i = 0; i < ARRAY_SIZE(data->rpm); i++) { |
| u16 reg; |
| |
| if (!(data->has_fan & (1 << i))) |
| continue; |
| |
| reg = nct6775_read_value(data, data->REG_FAN[i]); |
| data->rpm[i] = data->fan_from_reg(reg, |
| data->fan_div[i]); |
| |
| if (data->has_fan_min & (1 << i)) |
| data->fan_min[i] = nct6775_read_value(data, |
| data->REG_FAN_MIN[i]); |
| data->fan_pulses[i] = |
| nct6775_read_value(data, data->REG_FAN_PULSES[i]); |
| |
| nct6775_select_fan_div(dev, data, i, reg); |
| } |
| |
| nct6775_update_pwm(dev); |
| nct6775_update_pwm_limits(dev); |
| |
| /* Measured temperatures and limits */ |
| for (i = 0; i < NUM_TEMP; i++) { |
| if (!(data->have_temp & (1 << i))) |
| continue; |
| for (j = 0; j < ARRAY_SIZE(data->reg_temp); j++) { |
| if (data->reg_temp[j][i]) |
| data->temp[j][i] |
| = nct6775_read_temp(data, |
| data->reg_temp[j][i]); |
| } |
| if (!(data->have_temp_fixed & (1 << i))) |
| continue; |
| data->temp_offset[i] |
| = nct6775_read_value(data, data->REG_TEMP_OFFSET[i]); |
| } |
| |
| data->alarms = 0; |
| for (i = 0; i < NUM_REG_ALARM; i++) { |
| u8 alarm; |
| if (!data->REG_ALARM[i]) |
| continue; |
| alarm = nct6775_read_value(data, data->REG_ALARM[i]); |
| data->alarms |= ((u64)alarm) << (i << 3); |
| } |
| |
| data->last_updated = jiffies; |
| data->valid = true; |
| } |
| |
| mutex_unlock(&data->update_lock); |
| return data; |
| } |
| |
| /* |
| * 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 nr = sattr->nr; |
| int index = sattr->index; |
| 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 nr = sattr->nr; |
| int index = sattr->index; |
| unsigned long val; |
| int err = kstrtoul(buf, 10, &val); |
| if (err < 0) |
| return err; |
| mutex_lock(&data->update_lock); |
| data->in[nr][index] = in_to_reg(val, nr); |
| nct6775_write_value(data, data->REG_IN_MINMAX[index - 1][nr], |
| data->in[nr][index]); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static ssize_t |
| 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 = data->ALARM_BITS[sattr->index]; |
| return sprintf(buf, "%u\n", |
| (unsigned int)((data->alarms >> nr) & 0x01)); |
| } |
| |
| static SENSOR_DEVICE_ATTR_2(in0_input, S_IRUGO, show_in_reg, NULL, 0, 0); |
| static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO, show_in_reg, NULL, 1, 0); |
| static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO, show_in_reg, NULL, 2, 0); |
| static SENSOR_DEVICE_ATTR_2(in3_input, S_IRUGO, show_in_reg, NULL, 3, 0); |
| static SENSOR_DEVICE_ATTR_2(in4_input, S_IRUGO, show_in_reg, NULL, 4, 0); |
| static SENSOR_DEVICE_ATTR_2(in5_input, S_IRUGO, show_in_reg, NULL, 5, 0); |
| static SENSOR_DEVICE_ATTR_2(in6_input, S_IRUGO, show_in_reg, NULL, 6, 0); |
| static SENSOR_DEVICE_ATTR_2(in7_input, S_IRUGO, show_in_reg, NULL, 7, 0); |
| static SENSOR_DEVICE_ATTR_2(in8_input, S_IRUGO, show_in_reg, NULL, 8, 0); |
| static SENSOR_DEVICE_ATTR_2(in9_input, S_IRUGO, show_in_reg, NULL, 9, 0); |
| static SENSOR_DEVICE_ATTR_2(in10_input, S_IRUGO, show_in_reg, NULL, 10, 0); |
| static SENSOR_DEVICE_ATTR_2(in11_input, S_IRUGO, show_in_reg, NULL, 11, 0); |
| static SENSOR_DEVICE_ATTR_2(in12_input, S_IRUGO, show_in_reg, NULL, 12, 0); |
| static SENSOR_DEVICE_ATTR_2(in13_input, S_IRUGO, show_in_reg, NULL, 13, 0); |
| static SENSOR_DEVICE_ATTR_2(in14_input, S_IRUGO, show_in_reg, NULL, 14, 0); |
| |
| static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); |
| static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); |
| static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); |
| static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); |
| static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 4); |
| static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 5); |
| static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6); |
| static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7); |
| static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 8); |
| static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 9); |
| static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 10); |
| static SENSOR_DEVICE_ATTR(in11_alarm, S_IRUGO, show_alarm, NULL, 11); |
| static SENSOR_DEVICE_ATTR(in12_alarm, S_IRUGO, show_alarm, NULL, 12); |
| static SENSOR_DEVICE_ATTR(in13_alarm, S_IRUGO, show_alarm, NULL, 13); |
| static SENSOR_DEVICE_ATTR(in14_alarm, S_IRUGO, show_alarm, NULL, 14); |
| |
| static SENSOR_DEVICE_ATTR_2(in0_min, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 0, 1); |
| static SENSOR_DEVICE_ATTR_2(in1_min, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 1, 1); |
| static SENSOR_DEVICE_ATTR_2(in2_min, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 2, 1); |
| static SENSOR_DEVICE_ATTR_2(in3_min, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 3, 1); |
| static SENSOR_DEVICE_ATTR_2(in4_min, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 4, 1); |
| static SENSOR_DEVICE_ATTR_2(in5_min, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 5, 1); |
| static SENSOR_DEVICE_ATTR_2(in6_min, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 6, 1); |
| static SENSOR_DEVICE_ATTR_2(in7_min, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 7, 1); |
| static SENSOR_DEVICE_ATTR_2(in8_min, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 8, 1); |
| static SENSOR_DEVICE_ATTR_2(in9_min, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 9, 1); |
| static SENSOR_DEVICE_ATTR_2(in10_min, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 10, 1); |
| static SENSOR_DEVICE_ATTR_2(in11_min, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 11, 1); |
| static SENSOR_DEVICE_ATTR_2(in12_min, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 12, 1); |
| static SENSOR_DEVICE_ATTR_2(in13_min, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 13, 1); |
| static SENSOR_DEVICE_ATTR_2(in14_min, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 14, 1); |
| |
| static SENSOR_DEVICE_ATTR_2(in0_max, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 0, 2); |
| static SENSOR_DEVICE_ATTR_2(in1_max, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 1, 2); |
| static SENSOR_DEVICE_ATTR_2(in2_max, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 2, 2); |
| static SENSOR_DEVICE_ATTR_2(in3_max, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 3, 2); |
| static SENSOR_DEVICE_ATTR_2(in4_max, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 4, 2); |
| static SENSOR_DEVICE_ATTR_2(in5_max, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 5, 2); |
| static SENSOR_DEVICE_ATTR_2(in6_max, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 6, 2); |
| static SENSOR_DEVICE_ATTR_2(in7_max, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 7, 2); |
| static SENSOR_DEVICE_ATTR_2(in8_max, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 8, 2); |
| static SENSOR_DEVICE_ATTR_2(in9_max, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 9, 2); |
| static SENSOR_DEVICE_ATTR_2(in10_max, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 10, 2); |
| static SENSOR_DEVICE_ATTR_2(in11_max, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 11, 2); |
| static SENSOR_DEVICE_ATTR_2(in12_max, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 12, 2); |
| static SENSOR_DEVICE_ATTR_2(in13_max, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 13, 2); |
| static SENSOR_DEVICE_ATTR_2(in14_max, S_IWUSR | S_IRUGO, show_in_reg, |
| store_in_reg, 14, 2); |
| |
| static struct attribute *nct6775_attributes_in[15][5] = { |
| { |
| &sensor_dev_attr_in0_input.dev_attr.attr, |
| &sensor_dev_attr_in0_min.dev_attr.attr, |
| &sensor_dev_attr_in0_max.dev_attr.attr, |
| &sensor_dev_attr_in0_alarm.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_in1_input.dev_attr.attr, |
| &sensor_dev_attr_in1_min.dev_attr.attr, |
| &sensor_dev_attr_in1_max.dev_attr.attr, |
| &sensor_dev_attr_in1_alarm.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_in2_input.dev_attr.attr, |
| &sensor_dev_attr_in2_min.dev_attr.attr, |
| &sensor_dev_attr_in2_max.dev_attr.attr, |
| &sensor_dev_attr_in2_alarm.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_in3_input.dev_attr.attr, |
| &sensor_dev_attr_in3_min.dev_attr.attr, |
| &sensor_dev_attr_in3_max.dev_attr.attr, |
| &sensor_dev_attr_in3_alarm.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_in4_input.dev_attr.attr, |
| &sensor_dev_attr_in4_min.dev_attr.attr, |
| &sensor_dev_attr_in4_max.dev_attr.attr, |
| &sensor_dev_attr_in4_alarm.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_in5_input.dev_attr.attr, |
| &sensor_dev_attr_in5_min.dev_attr.attr, |
| &sensor_dev_attr_in5_max.dev_attr.attr, |
| &sensor_dev_attr_in5_alarm.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_in6_input.dev_attr.attr, |
| &sensor_dev_attr_in6_min.dev_attr.attr, |
| &sensor_dev_attr_in6_max.dev_attr.attr, |
| &sensor_dev_attr_in6_alarm.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_in7_input.dev_attr.attr, |
| &sensor_dev_attr_in7_min.dev_attr.attr, |
| &sensor_dev_attr_in7_max.dev_attr.attr, |
| &sensor_dev_attr_in7_alarm.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_in8_input.dev_attr.attr, |
| &sensor_dev_attr_in8_min.dev_attr.attr, |
| &sensor_dev_attr_in8_max.dev_attr.attr, |
| &sensor_dev_attr_in8_alarm.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_in9_input.dev_attr.attr, |
| &sensor_dev_attr_in9_min.dev_attr.attr, |
| &sensor_dev_attr_in9_max.dev_attr.attr, |
| &sensor_dev_attr_in9_alarm.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_in10_input.dev_attr.attr, |
| &sensor_dev_attr_in10_min.dev_attr.attr, |
| &sensor_dev_attr_in10_max.dev_attr.attr, |
| &sensor_dev_attr_in10_alarm.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_in11_input.dev_attr.attr, |
| &sensor_dev_attr_in11_min.dev_attr.attr, |
| &sensor_dev_attr_in11_max.dev_attr.attr, |
| &sensor_dev_attr_in11_alarm.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_in12_input.dev_attr.attr, |
| &sensor_dev_attr_in12_min.dev_attr.attr, |
| &sensor_dev_attr_in12_max.dev_attr.attr, |
| &sensor_dev_attr_in12_alarm.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_in13_input.dev_attr.attr, |
| &sensor_dev_attr_in13_min.dev_attr.attr, |
| &sensor_dev_attr_in13_max.dev_attr.attr, |
| &sensor_dev_attr_in13_alarm.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_in14_input.dev_attr.attr, |
| &sensor_dev_attr_in14_min.dev_attr.attr, |
| &sensor_dev_attr_in14_max.dev_attr.attr, |
| &sensor_dev_attr_in14_alarm.dev_attr.attr, |
| NULL |
| }, |
| }; |
| |
| static const struct attribute_group nct6775_group_in[15] = { |
| { .attrs = nct6775_attributes_in[0] }, |
| { .attrs = nct6775_attributes_in[1] }, |
| { .attrs = nct6775_attributes_in[2] }, |
| { .attrs = nct6775_attributes_in[3] }, |
| { .attrs = nct6775_attributes_in[4] }, |
| { .attrs = nct6775_attributes_in[5] }, |
| { .attrs = nct6775_attributes_in[6] }, |
| { .attrs = nct6775_attributes_in[7] }, |
| { .attrs = nct6775_attributes_in[8] }, |
| { .attrs = nct6775_attributes_in[9] }, |
| { .attrs = nct6775_attributes_in[10] }, |
| { .attrs = nct6775_attributes_in[11] }, |
| { .attrs = nct6775_attributes_in[12] }, |
| { .attrs = nct6775_attributes_in[13] }, |
| { .attrs = nct6775_attributes_in[14] }, |
| }; |
| |
| 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; |
| 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; |
| 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; |
| 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; |
| int err; |
| unsigned int reg; |
| u8 new_div; |
| |
| 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 == (1 << 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 == (1 << 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; |
| nct6775_write_fan_div_common(data, nr); |
| /* Give the chip time to sample a new speed value */ |
| data->last_updated = jiffies; |
| } |
| |
| write_min: |
| nct6775_write_value(data, data->REG_FAN_MIN[nr], data->fan_min[nr]); |
| mutex_unlock(&data->update_lock); |
| |
| return 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 = 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; |
| |
| 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; |
| nct6775_write_value(data, data->REG_FAN_PULSES[nr], val & 3); |
| mutex_unlock(&data->update_lock); |
| |
| return count; |
| } |
| |
| static struct sensor_device_attribute sda_fan_input[] = { |
| SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0), |
| SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1), |
| SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2), |
| SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3), |
| SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4), |
| }; |
| |
| static struct sensor_device_attribute sda_fan_alarm[] = { |
| SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, FAN_ALARM_BASE), |
| SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, FAN_ALARM_BASE + 1), |
| SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, FAN_ALARM_BASE + 2), |
| SENSOR_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, FAN_ALARM_BASE + 3), |
| SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, FAN_ALARM_BASE + 4), |
| }; |
| |
| static struct sensor_device_attribute sda_fan_min[] = { |
| SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, |
| store_fan_min, 0), |
| SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, |
| store_fan_min, 1), |
| SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, |
| store_fan_min, 2), |
| SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, |
| store_fan_min, 3), |
| SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, |
| store_fan_min, 4), |
| }; |
| |
| static struct sensor_device_attribute sda_fan_pulses[] = { |
| SENSOR_ATTR(fan1_pulses, S_IWUSR | S_IRUGO, show_fan_pulses, |
| store_fan_pulses, 0), |
| SENSOR_ATTR(fan2_pulses, S_IWUSR | S_IRUGO, show_fan_pulses, |
| store_fan_pulses, 1), |
| SENSOR_ATTR(fan3_pulses, S_IWUSR | S_IRUGO, show_fan_pulses, |
| store_fan_pulses, 2), |
| SENSOR_ATTR(fan4_pulses, S_IWUSR | S_IRUGO, show_fan_pulses, |
| store_fan_pulses, 3), |
| SENSOR_ATTR(fan5_pulses, S_IWUSR | S_IRUGO, show_fan_pulses, |
| store_fan_pulses, 4), |
| }; |
| |
| static struct sensor_device_attribute sda_fan_div[] = { |
| SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0), |
| SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1), |
| SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2), |
| SENSOR_ATTR(fan4_div, S_IRUGO, show_fan_div, NULL, 3), |
| SENSOR_ATTR(fan5_div, S_IRUGO, show_fan_div, NULL, 4), |
| }; |
| |
| 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; |
| 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; |
| |
| 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); |
| nct6775_write_temp(data, data->reg_temp[index][nr], |
| data->temp[index][nr]); |
| mutex_unlock(&data->update_lock); |
| return 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); |
| |
| 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; |
| nct6775_write_value(data, data->REG_TEMP_OFFSET[nr], val); |
| mutex_unlock(&data->update_lock); |
| |
| return 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; |
| 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 vbat, diode, bit; |
| |
| 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; |
| vbat = nct6775_read_value(data, data->REG_VBAT) & ~(0x02 << nr); |
| diode = nct6775_read_value(data, data->REG_DIODE) & ~(0x02 << nr); |
| bit = 0x02 << nr; |
| switch (val) { |
| case 1: /* CPU diode (diode, current mode) */ |
| vbat |= bit; |
| diode |= bit; |
| break; |
| case 3: /* diode, voltage mode */ |
| vbat |= bit; |
| break; |
| case 4: /* thermistor */ |
| break; |
| } |
| nct6775_write_value(data, data->REG_VBAT, vbat); |
| nct6775_write_value(data, data->REG_DIODE, diode); |
| |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static struct sensor_device_attribute_2 sda_temp_input[] = { |
| SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0), |
| SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 1, 0), |
| SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 2, 0), |
| SENSOR_ATTR_2(temp4_input, S_IRUGO, show_temp, NULL, 3, 0), |
| SENSOR_ATTR_2(temp5_input, S_IRUGO, show_temp, NULL, 4, 0), |
| SENSOR_ATTR_2(temp6_input, S_IRUGO, show_temp, NULL, 5, 0), |
| SENSOR_ATTR_2(temp7_input, S_IRUGO, show_temp, NULL, 6, 0), |
| SENSOR_ATTR_2(temp8_input, S_IRUGO, show_temp, NULL, 7, 0), |
| SENSOR_ATTR_2(temp9_input, S_IRUGO, show_temp, NULL, 8, 0), |
| SENSOR_ATTR_2(temp10_input, S_IRUGO, show_temp, NULL, 9, 0), |
| }; |
| |
| static struct sensor_device_attribute sda_temp_label[] = { |
| SENSOR_ATTR(temp1_label, S_IRUGO, show_temp_label, NULL, 0), |
| SENSOR_ATTR(temp2_label, S_IRUGO, show_temp_label, NULL, 1), |
| SENSOR_ATTR(temp3_label, S_IRUGO, show_temp_label, NULL, 2), |
| SENSOR_ATTR(temp4_label, S_IRUGO, show_temp_label, NULL, 3), |
| SENSOR_ATTR(temp5_label, S_IRUGO, show_temp_label, NULL, 4), |
| SENSOR_ATTR(temp6_label, S_IRUGO, show_temp_label, NULL, 5), |
| SENSOR_ATTR(temp7_label, S_IRUGO, show_temp_label, NULL, 6), |
| SENSOR_ATTR(temp8_label, S_IRUGO, show_temp_label, NULL, 7), |
| SENSOR_ATTR(temp9_label, S_IRUGO, show_temp_label, NULL, 8), |
| SENSOR_ATTR(temp10_label, S_IRUGO, show_temp_label, NULL, 9), |
| }; |
| |
| static struct sensor_device_attribute_2 sda_temp_max[] = { |
| SENSOR_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 0, 1), |
| SENSOR_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1, 1), |
| SENSOR_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 2, 1), |
| SENSOR_ATTR_2(temp4_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 3, 1), |
| SENSOR_ATTR_2(temp5_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 4, 1), |
| SENSOR_ATTR_2(temp6_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 5, 1), |
| SENSOR_ATTR_2(temp7_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 6, 1), |
| SENSOR_ATTR_2(temp8_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 7, 1), |
| SENSOR_ATTR_2(temp9_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 8, 1), |
| SENSOR_ATTR_2(temp10_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 9, 1), |
| }; |
| |
| static struct sensor_device_attribute_2 sda_temp_max_hyst[] = { |
| SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 0, 2), |
| SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1, 2), |
| SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 2, 2), |
| SENSOR_ATTR_2(temp4_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 3, 2), |
| SENSOR_ATTR_2(temp5_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 4, 2), |
| SENSOR_ATTR_2(temp6_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 5, 2), |
| SENSOR_ATTR_2(temp7_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 6, 2), |
| SENSOR_ATTR_2(temp8_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 7, 2), |
| SENSOR_ATTR_2(temp9_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 8, 2), |
| SENSOR_ATTR_2(temp10_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 9, 2), |
| }; |
| |
| static struct sensor_device_attribute_2 sda_temp_crit[] = { |
| SENSOR_ATTR_2(temp1_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 0, 3), |
| SENSOR_ATTR_2(temp2_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1, 3), |
| SENSOR_ATTR_2(temp3_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 2, 3), |
| SENSOR_ATTR_2(temp4_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 3, 3), |
| SENSOR_ATTR_2(temp5_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 4, 3), |
| SENSOR_ATTR_2(temp6_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 5, 3), |
| SENSOR_ATTR_2(temp7_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 6, 3), |
| SENSOR_ATTR_2(temp8_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 7, 3), |
| SENSOR_ATTR_2(temp9_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 8, 3), |
| SENSOR_ATTR_2(temp10_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 9, 3), |
| }; |
| |
| static struct sensor_device_attribute sda_temp_offset[] = { |
| SENSOR_ATTR(temp1_offset, S_IRUGO | S_IWUSR, show_temp_offset, |
| store_temp_offset, 0), |
| SENSOR_ATTR(temp2_offset, S_IRUGO | S_IWUSR, show_temp_offset, |
| store_temp_offset, 1), |
| SENSOR_ATTR(temp3_offset, S_IRUGO | S_IWUSR, show_temp_offset, |
| store_temp_offset, 2), |
| SENSOR_ATTR(temp4_offset, S_IRUGO | S_IWUSR, show_temp_offset, |
| store_temp_offset, 3), |
| SENSOR_ATTR(temp5_offset, S_IRUGO | S_IWUSR, show_temp_offset, |
| store_temp_offset, 4), |
| SENSOR_ATTR(temp6_offset, S_IRUGO | S_IWUSR, show_temp_offset, |
| store_temp_offset, 5), |
| }; |
| |
| static struct sensor_device_attribute sda_temp_type[] = { |
| SENSOR_ATTR(temp1_type, S_IRUGO | S_IWUSR, show_temp_type, |
| store_temp_type, 0), |
| SENSOR_ATTR(temp2_type, S_IRUGO | S_IWUSR, show_temp_type, |
| store_temp_type, 1), |
| SENSOR_ATTR(temp3_type, S_IRUGO | S_IWUSR, show_temp_type, |
| store_temp_type, 2), |
| SENSOR_ATTR(temp4_type, S_IRUGO | S_IWUSR, show_temp_type, |
| store_temp_type, 3), |
| SENSOR_ATTR(temp5_type, S_IRUGO | S_IWUSR, show_temp_type, |
| store_temp_type, 4), |
| SENSOR_ATTR(temp6_type, S_IRUGO | S_IWUSR, show_temp_type, |
| store_temp_type, 5), |
| }; |
| |
| static struct sensor_device_attribute sda_temp_alarm[] = { |
| SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, |
| TEMP_ALARM_BASE), |
| SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, |
| TEMP_ALARM_BASE + 1), |
| SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, |
| TEMP_ALARM_BASE + 2), |
| SENSOR_ATTR(temp4_alarm, S_IRUGO, show_alarm, NULL, |
| TEMP_ALARM_BASE + 3), |
| SENSOR_ATTR(temp5_alarm, S_IRUGO, show_alarm, NULL, |
| TEMP_ALARM_BASE + 4), |
| SENSOR_ATTR(temp6_alarm, S_IRUGO, show_alarm, NULL, |
| TEMP_ALARM_BASE + 5), |
| }; |
| |
| #define NUM_TEMP_ALARM ARRAY_SIZE(sda_temp_alarm) |
| |
| 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); |
| |
| 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; |
| u8 reg; |
| |
| err = kstrtoul(buf, 10, &val); |
| if (err < 0) |
| return err; |
| |
| if (val > 1) |
| return -EINVAL; |
| |
| /* Setting DC mode 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; |
| reg = nct6775_read_value(data, data->REG_PWM_MODE[nr]); |
| reg &= ~data->PWM_MODE_MASK[nr]; |
| if (val) |
| reg |= data->PWM_MODE_MASK[nr]; |
| nct6775_write_value(data, data->REG_PWM_MODE[nr], reg); |
| mutex_unlock(&data->update_lock); |
| return 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 pwm; |
| |
| /* |
| * For automatic fan control modes, show current pwm readings. |
| * Otherwise, show the configured value. |
| */ |
| if (index == 0 && data->pwm_enable[nr] > manual) |
| pwm = nct6775_read_value(data, data->REG_PWM_READ[nr]); |
| 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; |
| u8 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; |
| nct6775_write_value(data, data->REG_PWM[index][nr], val); |
| if (index == 2) { /* floor: disable if val == 0 */ |
| reg = nct6775_read_value(data, data->REG_TEMP_SEL[nr]); |
| reg &= 0x7f; |
| if (val) |
| reg |= 0x80; |
| nct6775_write_value(data, data->REG_TEMP_SEL[nr], reg); |
| } |
| mutex_unlock(&data->update_lock); |
| return 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 void pwm_update_registers(struct nct6775_data *data, int nr) |
| { |
| u8 reg; |
| |
| switch (data->pwm_enable[nr]) { |
| case off: |
| case manual: |
| break; |
| case speed_cruise: |
| reg = nct6775_read_value(data, data->REG_FAN_MODE[nr]); |
| reg = (reg & ~data->tolerance_mask) | |
| (data->target_speed_tolerance[nr] & data->tolerance_mask); |
| nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); |
| nct6775_write_value(data, data->REG_TARGET[nr], |
| data->target_speed[nr] & 0xff); |
| if (data->REG_TOLERANCE_H) { |
| reg = (data->target_speed[nr] >> 8) & 0x0f; |
| reg |= (data->target_speed_tolerance[nr] & 0x38) << 1; |
| nct6775_write_value(data, |
| data->REG_TOLERANCE_H[nr], |
| reg); |
| } |
| break; |
| case thermal_cruise: |
| nct6775_write_value(data, data->REG_TARGET[nr], |
| data->target_temp[nr]); |
| /* intentional */ |
| default: |
| reg = nct6775_read_value(data, data->REG_FAN_MODE[nr]); |
| reg = (reg & ~data->tolerance_mask) | |
| data->temp_tolerance[0][nr]; |
| nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); |
| break; |
| } |
| } |
| |
| 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); |
| |
| 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; |
| nct6775_write_value(data, data->REG_PWM[0][nr], 255); |
| } |
| pwm_update_registers(data, nr); |
| reg = nct6775_read_value(data, data->REG_FAN_MODE[nr]); |
| reg &= 0x0f; |
| reg |= pwm_enable_to_reg(val) << 4; |
| nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); |
| mutex_unlock(&data->update_lock); |
| return 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 & (1 << 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; |
| |
| 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, reg, src; |
| |
| err = kstrtoul(buf, 10, &val); |
| if (err < 0) |
| return err; |
| if (val == 0 || val > NUM_TEMP) |
| return -EINVAL; |
| if (!(data->have_temp & (1 << (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; |
| reg = nct6775_read_value(data, data->REG_TEMP_SEL[nr]); |
| reg &= 0xe0; |
| reg |= src; |
| nct6775_write_value(data, data->REG_TEMP_SEL[nr], reg); |
| mutex_unlock(&data->update_lock); |
| |
| return 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; |
| |
| 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, reg, src; |
| |
| err = kstrtoul(buf, 10, &val); |
| if (err < 0) |
| return err; |
| if (val > NUM_TEMP) |
| return -EINVAL; |
| if (val && (!(data->have_temp & (1 << (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; |
| reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[nr]); |
| reg &= 0xe0; |
| reg |= (src | 0x80); |
| nct6775_write_value(data, data->REG_WEIGHT_TEMP_SEL[nr], reg); |
| } else { |
| data->pwm_weight_temp_sel[nr] = 0; |
| reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[nr]); |
| reg &= 0x7f; |
| nct6775_write_value(data, data->REG_WEIGHT_TEMP_SEL[nr], reg); |
| } |
| mutex_unlock(&data->update_lock); |
| |
| return 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); |
| |
| 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; |
| pwm_update_registers(data, nr); |
| mutex_unlock(&data->update_lock); |
| return 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; |
| |
| 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; |
| pwm_update_registers(data, nr); |
| mutex_unlock(&data->update_lock); |
| return 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; |
| |
| 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) |
| pwm_update_registers(data, nr); |
| else |
| nct6775_write_value(data, |
| data->REG_CRITICAL_TEMP_TOLERANCE[nr], |
| val); |
| mutex_unlock(&data->update_lock); |
| return 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. |
| */ |
| 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 low = data->target_speed[nr] - data->target_speed_tolerance[nr]; |
| int high = data->target_speed[nr] + data->target_speed_tolerance[nr]; |
| int tolerance; |
| |
| 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; |
| pwm_update_registers(data, nr); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR_2(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0, 0); |
| static SENSOR_DEVICE_ATTR_2(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1, 0); |
| static SENSOR_DEVICE_ATTR_2(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2, 0); |
| static SENSOR_DEVICE_ATTR_2(pwm4, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3, 0); |
| static SENSOR_DEVICE_ATTR_2(pwm5, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 4, 0); |
| |
| static SENSOR_DEVICE_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| store_pwm_mode, 0); |
| static SENSOR_DEVICE_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| store_pwm_mode, 1); |
| static SENSOR_DEVICE_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| store_pwm_mode, 2); |
| static SENSOR_DEVICE_ATTR(pwm4_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| store_pwm_mode, 3); |
| static SENSOR_DEVICE_ATTR(pwm5_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| store_pwm_mode, 4); |
| |
| static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| store_pwm_enable, 0); |
| static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| store_pwm_enable, 1); |
| static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| store_pwm_enable, 2); |
| static SENSOR_DEVICE_ATTR(pwm4_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| store_pwm_enable, 3); |
| static SENSOR_DEVICE_ATTR(pwm5_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| store_pwm_enable, 4); |
| |
| static SENSOR_DEVICE_ATTR(pwm1_temp_sel, S_IWUSR | S_IRUGO, |
| show_pwm_temp_sel, store_pwm_temp_sel, 0); |
| static SENSOR_DEVICE_ATTR(pwm2_temp_sel, S_IWUSR | S_IRUGO, |
| show_pwm_temp_sel, store_pwm_temp_sel, 1); |
| static SENSOR_DEVICE_ATTR(pwm3_temp_sel, S_IWUSR | S_IRUGO, |
| show_pwm_temp_sel, store_pwm_temp_sel, 2); |
| static SENSOR_DEVICE_ATTR(pwm4_temp_sel, S_IWUSR | S_IRUGO, |
| show_pwm_temp_sel, store_pwm_temp_sel, 3); |
| static SENSOR_DEVICE_ATTR(pwm5_temp_sel, S_IWUSR | S_IRUGO, |
| show_pwm_temp_sel, store_pwm_temp_sel, 4); |
| |
| static SENSOR_DEVICE_ATTR(pwm1_target_temp, S_IWUSR | S_IRUGO, show_target_temp, |
| store_target_temp, 0); |
| static SENSOR_DEVICE_ATTR(pwm2_target_temp, S_IWUSR | S_IRUGO, show_target_temp, |
| store_target_temp, 1); |
| static SENSOR_DEVICE_ATTR(pwm3_target_temp, S_IWUSR | S_IRUGO, show_target_temp, |
| store_target_temp, 2); |
| static SENSOR_DEVICE_ATTR(pwm4_target_temp, S_IWUSR | S_IRUGO, show_target_temp, |
| store_target_temp, 3); |
| static SENSOR_DEVICE_ATTR(pwm5_target_temp, S_IWUSR | S_IRUGO, show_target_temp, |
| store_target_temp, 4); |
| |
| static SENSOR_DEVICE_ATTR(fan1_target, S_IWUSR | S_IRUGO, show_target_speed, |
| store_target_speed, 0); |
| static SENSOR_DEVICE_ATTR(fan2_target, S_IWUSR | S_IRUGO, show_target_speed, |
| store_target_speed, 1); |
| static SENSOR_DEVICE_ATTR(fan3_target, S_IWUSR | S_IRUGO, show_target_speed, |
| store_target_speed, 2); |
| static SENSOR_DEVICE_ATTR(fan4_target, S_IWUSR | S_IRUGO, show_target_speed, |
| store_target_speed, 3); |
| static SENSOR_DEVICE_ATTR(fan5_target, S_IWUSR | S_IRUGO, show_target_speed, |
| store_target_speed, 4); |
| |
| static SENSOR_DEVICE_ATTR(fan1_tolerance, S_IWUSR | S_IRUGO, |
| show_speed_tolerance, store_speed_tolerance, 0); |
| static SENSOR_DEVICE_ATTR(fan2_tolerance, S_IWUSR | S_IRUGO, |
| show_speed_tolerance, store_speed_tolerance, 1); |
| static SENSOR_DEVICE_ATTR(fan3_tolerance, S_IWUSR | S_IRUGO, |
| show_speed_tolerance, store_speed_tolerance, 2); |
| static SENSOR_DEVICE_ATTR(fan4_tolerance, S_IWUSR | S_IRUGO, |
| show_speed_tolerance, store_speed_tolerance, 3); |
| static SENSOR_DEVICE_ATTR(fan5_tolerance, S_IWUSR | S_IRUGO, |
| show_speed_tolerance, store_speed_tolerance, 4); |
| |
| /* 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; |
| |
| 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; |
| nct6775_write_value(data, data->REG_WEIGHT_TEMP[index][nr], val); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(pwm1_weight_temp_sel, S_IWUSR | S_IRUGO, |
| show_pwm_weight_temp_sel, store_pwm_weight_temp_sel, |
| 0); |
| static SENSOR_DEVICE_ATTR(pwm2_weight_temp_sel, S_IWUSR | S_IRUGO, |
| show_pwm_weight_temp_sel, store_pwm_weight_temp_sel, |
| 1); |
| static SENSOR_DEVICE_ATTR(pwm3_weight_temp_sel, S_IWUSR | S_IRUGO, |
| show_pwm_weight_temp_sel, store_pwm_weight_temp_sel, |
| 2); |
| static SENSOR_DEVICE_ATTR(pwm4_weight_temp_sel, S_IWUSR | S_IRUGO, |
| show_pwm_weight_temp_sel, store_pwm_weight_temp_sel, |
| 3); |
| static SENSOR_DEVICE_ATTR(pwm5_weight_temp_sel, S_IWUSR | S_IRUGO, |
| show_pwm_weight_temp_sel, store_pwm_weight_temp_sel, |
| 4); |
| |
| static SENSOR_DEVICE_ATTR_2(pwm1_weight_temp_step, S_IWUSR | S_IRUGO, |
| show_weight_temp, store_weight_temp, 0, 0); |
| static SENSOR_DEVICE_ATTR_2(pwm2_weight_temp_step, S_IWUSR | S_IRUGO, |
| show_weight_temp, store_weight_temp, 1, 0); |
| static SENSOR_DEVICE_ATTR_2(pwm3_weight_temp_step, S_IWUSR | S_IRUGO, |
| show_weight_temp, store_weight_temp, 2, 0); |
| static SENSOR_DEVICE_ATTR_2(pwm4_weight_temp_step, S_IWUSR | S_IRUGO, |
| show_weight_temp, store_weight_temp, 3, 0); |
| static SENSOR_DEVICE_ATTR_2(pwm5_weight_temp_step, S_IWUSR | S_IRUGO, |
| show_weight_temp, store_weight_temp, 4, 0); |
| |
| static SENSOR_DEVICE_ATTR_2(pwm1_weight_temp_step_tol, S_IWUSR | S_IRUGO, |
| show_weight_temp, store_weight_temp, 0, 1); |
| static SENSOR_DEVICE_ATTR_2(pwm2_weight_temp_step_tol, S_IWUSR | S_IRUGO, |
| show_weight_temp, store_weight_temp, 1, 1); |
| static SENSOR_DEVICE_ATTR_2(pwm3_weight_temp_step_tol, S_IWUSR | S_IRUGO, |
| show_weight_temp, store_weight_temp, 2, 1); |
| static SENSOR_DEVICE_ATTR_2(pwm4_weight_temp_step_tol, S_IWUSR | S_IRUGO, |
| show_weight_temp, store_weight_temp, 3, 1); |
| static SENSOR_DEVICE_ATTR_2(pwm5_weight_temp_step_tol, S_IWUSR | S_IRUGO, |
| show_weight_temp, store_weight_temp, 4, 1); |
| |
| static SENSOR_DEVICE_ATTR_2(pwm1_weight_temp_step_base, S_IWUSR | S_IRUGO, |
| show_weight_temp, store_weight_temp, 0, 2); |
| static SENSOR_DEVICE_ATTR_2(pwm2_weight_temp_step_base, S_IWUSR | S_IRUGO, |
| show_weight_temp, store_weight_temp, 1, 2); |
| static SENSOR_DEVICE_ATTR_2(pwm3_weight_temp_step_base, S_IWUSR | S_IRUGO, |
| show_weight_temp, store_weight_temp, 2, 2); |
| static SENSOR_DEVICE_ATTR_2(pwm4_weight_temp_step_base, S_IWUSR | S_IRUGO, |
| show_weight_temp, store_weight_temp, 3, 2); |
| static SENSOR_DEVICE_ATTR_2(pwm5_weight_temp_step_base, S_IWUSR | S_IRUGO, |
| show_weight_temp, store_weight_temp, 4, 2); |
| |
| static SENSOR_DEVICE_ATTR_2(pwm1_weight_duty_step, S_IWUSR | S_IRUGO, |
| show_pwm, store_pwm, 0, 5); |
| static SENSOR_DEVICE_ATTR_2(pwm2_weight_duty_step, S_IWUSR | S_IRUGO, |
| show_pwm, store_pwm, 1, 5); |
| static SENSOR_DEVICE_ATTR_2(pwm3_weight_duty_step, S_IWUSR | S_IRUGO, |
| show_pwm, store_pwm, 2, 5); |
| static SENSOR_DEVICE_ATTR_2(pwm4_weight_duty_step, S_IWUSR | S_IRUGO, |
| show_pwm, store_pwm, 3, 5); |
| static SENSOR_DEVICE_ATTR_2(pwm5_weight_duty_step, S_IWUSR | S_IRUGO, |
| show_pwm, store_pwm, 4, 5); |
| |
| /* duty_base is not supported on all chips */ |
| static struct sensor_device_attribute_2 sda_weight_duty_base[] = { |
| SENSOR_ATTR_2(pwm1_weight_duty_base, S_IWUSR | S_IRUGO, |
| show_pwm, store_pwm, 0, 6), |
| SENSOR_ATTR_2(pwm2_weight_duty_base, S_IWUSR | S_IRUGO, |
| show_pwm, store_pwm, 1, 6), |
| SENSOR_ATTR_2(pwm3_weight_duty_base, S_IWUSR | S_IRUGO, |
| show_pwm, store_pwm, 2, 6), |
| SENSOR_ATTR_2(pwm4_weight_duty_base, S_IWUSR | S_IRUGO, |
| show_pwm, store_pwm, 3, 6), |
| SENSOR_ATTR_2(pwm5_weight_duty_base, S_IWUSR | S_IRUGO, |
| show_pwm, store_pwm, 4, 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; |
| |
| 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; |
| nct6775_write_value(data, data->REG_FAN_TIME[index][nr], val); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static ssize_t |
| show_name(struct device *dev, struct device_attribute *attr, char *buf) |
| { |
| struct nct6775_data *data = dev_get_drvdata(dev); |
| |
| return sprintf(buf, "%s\n", data->name); |
| } |
| |
| static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); |
| |
| static SENSOR_DEVICE_ATTR_2(pwm1_stop_time, S_IWUSR | S_IRUGO, show_fan_time, |
| store_fan_time, 0, 0); |
| static SENSOR_DEVICE_ATTR_2(pwm2_stop_time, S_IWUSR | S_IRUGO, show_fan_time, |
| store_fan_time, 1, 0); |
| static SENSOR_DEVICE_ATTR_2(pwm3_stop_time, S_IWUSR | S_IRUGO, show_fan_time, |
| store_fan_time, 2, 0); |
| static SENSOR_DEVICE_ATTR_2(pwm4_stop_time, S_IWUSR | S_IRUGO, show_fan_time, |
| store_fan_time, 3, 0); |
| static SENSOR_DEVICE_ATTR_2(pwm5_stop_time, S_IWUSR | S_IRUGO, show_fan_time, |
| store_fan_time, 4, 0); |
| |
| static SENSOR_DEVICE_ATTR_2(pwm1_step_up_time, S_IWUSR | S_IRUGO, show_fan_time, |
| store_fan_time, 0, 1); |
| static SENSOR_DEVICE_ATTR_2(pwm2_step_up_time, S_IWUSR | S_IRUGO, show_fan_time, |
| store_fan_time, 1, 1); |
| static SENSOR_DEVICE_ATTR_2(pwm3_step_up_time, S_IWUSR | S_IRUGO, show_fan_time, |
| store_fan_time, 2, 1); |
| static SENSOR_DEVICE_ATTR_2(pwm4_step_up_time, S_IWUSR | S_IRUGO, show_fan_time, |
| store_fan_time, 3, 1); |
| static SENSOR_DEVICE_ATTR_2(pwm5_step_up_time, S_IWUSR | S_IRUGO, show_fan_time, |
| store_fan_time, 4, 1); |
| |
| static SENSOR_DEVICE_ATTR_2(pwm1_step_down_time, S_IWUSR | S_IRUGO, |
| show_fan_time, store_fan_time, 0, 2); |
| static SENSOR_DEVICE_ATTR_2(pwm2_step_down_time, S_IWUSR | S_IRUGO, |
| show_fan_time, store_fan_time, 1, 2); |
| static SENSOR_DEVICE_ATTR_2(pwm3_step_down_time, S_IWUSR | S_IRUGO, |
| show_fan_time, store_fan_time, 2, 2); |
| static SENSOR_DEVICE_ATTR_2(pwm4_step_down_time, S_IWUSR | S_IRUGO, |
| show_fan_time, store_fan_time, 3, 2); |
| static SENSOR_DEVICE_ATTR_2(pwm5_step_down_time, S_IWUSR | S_IRUGO, |
| show_fan_time, store_fan_time, 4, 2); |
| |
| static SENSOR_DEVICE_ATTR_2(pwm1_start, S_IWUSR | S_IRUGO, show_pwm, |
| store_pwm, 0, 1); |
| static SENSOR_DEVICE_ATTR_2(pwm2_start, S_IWUSR | S_IRUGO, show_pwm, |
| store_pwm, 1, 1); |
| static SENSOR_DEVICE_ATTR_2(pwm3_start, S_IWUSR | S_IRUGO, show_pwm, |
| store_pwm, 2, 1); |
| static SENSOR_DEVICE_ATTR_2(pwm4_start, S_IWUSR | S_IRUGO, show_pwm, |
| store_pwm, 3, 1); |
| static SENSOR_DEVICE_ATTR_2(pwm5_start, S_IWUSR | S_IRUGO, show_pwm, |
| store_pwm, 4, 1); |
| |
| static SENSOR_DEVICE_ATTR_2(pwm1_floor, S_IWUSR | S_IRUGO, show_pwm, |
| store_pwm, 0, 2); |
| static SENSOR_DEVICE_ATTR_2(pwm2_floor, S_IWUSR | S_IRUGO, show_pwm, |
| store_pwm, 1, 2); |
| static SENSOR_DEVICE_ATTR_2(pwm3_floor, S_IWUSR | S_IRUGO, show_pwm, |
| store_pwm, 2, 2); |
| static SENSOR_DEVICE_ATTR_2(pwm4_floor, S_IWUSR | S_IRUGO, show_pwm, |
| store_pwm, 3, 2); |
| static SENSOR_DEVICE_ATTR_2(pwm5_floor, S_IWUSR | S_IRUGO, show_pwm, |
| store_pwm, 4, 2); |
| |
| static SENSOR_DEVICE_ATTR_2(pwm1_temp_tolerance, S_IWUSR | S_IRUGO, |
| show_temp_tolerance, store_temp_tolerance, 0, 0); |
| static SENSOR_DEVICE_ATTR_2(pwm2_temp_tolerance, S_IWUSR | S_IRUGO, |
| show_temp_tolerance, store_temp_tolerance, 1, 0); |
| static SENSOR_DEVICE_ATTR_2(pwm3_temp_tolerance, S_IWUSR | S_IRUGO, |
| show_temp_tolerance, store_temp_tolerance, 2, 0); |
| static SENSOR_DEVICE_ATTR_2(pwm4_temp_tolerance, S_IWUSR | S_IRUGO, |
| show_temp_tolerance, store_temp_tolerance, 3, 0); |
| static SENSOR_DEVICE_ATTR_2(pwm5_temp_tolerance, S_IWUSR | S_IRUGO, |
| show_temp_tolerance, store_temp_tolerance, 4, 0); |
| |
| static SENSOR_DEVICE_ATTR_2(pwm1_crit_temp_tolerance, S_IWUSR | S_IRUGO, |
| show_temp_tolerance, store_temp_tolerance, 0, 1); |
| static SENSOR_DEVICE_ATTR_2(pwm2_crit_temp_tolerance, S_IWUSR | S_IRUGO, |
| show_temp_tolerance, store_temp_tolerance, 1, 1); |
| static SENSOR_DEVICE_ATTR_2(pwm3_crit_temp_tolerance, S_IWUSR | S_IRUGO, |
| show_temp_tolerance, store_temp_tolerance, 2, 1); |
| static SENSOR_DEVICE_ATTR_2(pwm4_crit_temp_tolerance, S_IWUSR | S_IRUGO, |
| show_temp_tolerance, store_temp_tolerance, 3, 1); |
| static SENSOR_DEVICE_ATTR_2(pwm5_crit_temp_tolerance, S_IWUSR | S_IRUGO, |
| show_temp_tolerance, store_temp_tolerance, 4, 1); |
| |
| /* pwm_max is not supported on all chips */ |
| static struct sensor_device_attribute_2 sda_pwm_max[] = { |
| SENSOR_ATTR_2(pwm1_max, S_IWUSR | S_IRUGO, show_pwm, store_pwm, |
| 0, 3), |
| SENSOR_ATTR_2(pwm2_max, S_IWUSR | S_IRUGO, show_pwm, store_pwm, |
| 1, 3), |
| SENSOR_ATTR_2(pwm3_max, S_IWUSR | S_IRUGO, show_pwm, store_pwm, |
| 2, 3), |
| SENSOR_ATTR_2(pwm4_max, S_IWUSR | S_IRUGO, show_pwm, store_pwm, |
| 3, 3), |
| SENSOR_ATTR_2(pwm5_max, S_IWUSR | S_IRUGO, show_pwm, store_pwm, |
| 4, 3), |
| }; |
| |
| /* pwm_step is not supported on all chips */ |
| static struct sensor_device_attribute_2 sda_pwm_step[] = { |
| SENSOR_ATTR_2(pwm1_step, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0, 4), |
| SENSOR_ATTR_2(pwm2_step, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1, 4), |
| SENSOR_ATTR_2(pwm3_step, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2, 4), |
| SENSOR_ATTR_2(pwm4_step, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3, 4), |
| SENSOR_ATTR_2(pwm5_step, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 4, 4), |
| }; |
| |
| static struct attribute *nct6775_attributes_pwm[5][20] = { |
| { |
| &sensor_dev_attr_pwm1.dev_attr.attr, |
| &sensor_dev_attr_pwm1_mode.dev_attr.attr, |
| &sensor_dev_attr_pwm1_enable.dev_attr.attr, |
| &sensor_dev_attr_pwm1_temp_sel.dev_attr.attr, |
| &sensor_dev_attr_pwm1_temp_tolerance.dev_attr.attr, |
| &sensor_dev_attr_pwm1_crit_temp_tolerance.dev_attr.attr, |
| &sensor_dev_attr_pwm1_target_temp.dev_attr.attr, |
| &sensor_dev_attr_fan1_target.dev_attr.attr, |
| &sensor_dev_attr_fan1_tolerance.dev_attr.attr, |
| &sensor_dev_attr_pwm1_stop_time.dev_attr.attr, |
| &sensor_dev_attr_pwm1_step_up_time.dev_attr.attr, |
| &sensor_dev_attr_pwm1_step_down_time.dev_attr.attr, |
| &sensor_dev_attr_pwm1_start.dev_attr.attr, |
| &sensor_dev_attr_pwm1_floor.dev_attr.attr, |
| &sensor_dev_attr_pwm1_weight_temp_sel.dev_attr.attr, |
| &sensor_dev_attr_pwm1_weight_temp_step.dev_attr.attr, |
| &sensor_dev_attr_pwm1_weight_temp_step_tol.dev_attr.attr, |
| &sensor_dev_attr_pwm1_weight_temp_step_base.dev_attr.attr, |
| &sensor_dev_attr_pwm1_weight_duty_step.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_pwm2.dev_attr.attr, |
| &sensor_dev_attr_pwm2_mode.dev_attr.attr, |
| &sensor_dev_attr_pwm2_enable.dev_attr.attr, |
| &sensor_dev_attr_pwm2_temp_sel.dev_attr.attr, |
| &sensor_dev_attr_pwm2_temp_tolerance.dev_attr.attr, |
| &sensor_dev_attr_pwm2_crit_temp_tolerance.dev_attr.attr, |
| &sensor_dev_attr_pwm2_target_temp.dev_attr.attr, |
| &sensor_dev_attr_fan2_target.dev_attr.attr, |
| &sensor_dev_attr_fan2_tolerance.dev_attr.attr, |
| &sensor_dev_attr_pwm2_stop_time.dev_attr.attr, |
| &sensor_dev_attr_pwm2_step_up_time.dev_attr.attr, |
| &sensor_dev_attr_pwm2_step_down_time.dev_attr.attr, |
| &sensor_dev_attr_pwm2_start.dev_attr.attr, |
| &sensor_dev_attr_pwm2_floor.dev_attr.attr, |
| &sensor_dev_attr_pwm2_weight_temp_sel.dev_attr.attr, |
| &sensor_dev_attr_pwm2_weight_temp_step.dev_attr.attr, |
| &sensor_dev_attr_pwm2_weight_temp_step_tol.dev_attr.attr, |
| &sensor_dev_attr_pwm2_weight_temp_step_base.dev_attr.attr, |
| &sensor_dev_attr_pwm2_weight_duty_step.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_pwm3.dev_attr.attr, |
| &sensor_dev_attr_pwm3_mode.dev_attr.attr, |
| &sensor_dev_attr_pwm3_enable.dev_attr.attr, |
| &sensor_dev_attr_pwm3_temp_sel.dev_attr.attr, |
| &sensor_dev_attr_pwm3_temp_tolerance.dev_attr.attr, |
| &sensor_dev_attr_pwm3_crit_temp_tolerance.dev_attr.attr, |
| &sensor_dev_attr_pwm3_target_temp.dev_attr.attr, |
| &sensor_dev_attr_fan3_target.dev_attr.attr, |
| &sensor_dev_attr_fan3_tolerance.dev_attr.attr, |
| &sensor_dev_attr_pwm3_stop_time.dev_attr.attr, |
| &sensor_dev_attr_pwm3_step_up_time.dev_attr.attr, |
| &sensor_dev_attr_pwm3_step_down_time.dev_attr.attr, |
| &sensor_dev_attr_pwm3_start.dev_attr.attr, |
| &sensor_dev_attr_pwm3_floor.dev_attr.attr, |
| &sensor_dev_attr_pwm3_weight_temp_sel.dev_attr.attr, |
| &sensor_dev_attr_pwm3_weight_temp_step.dev_attr.attr, |
| &sensor_dev_attr_pwm3_weight_temp_step_tol.dev_attr.attr, |
| &sensor_dev_attr_pwm3_weight_temp_step_base.dev_attr.attr, |
| &sensor_dev_attr_pwm3_weight_duty_step.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_pwm4.dev_attr.attr, |
| &sensor_dev_attr_pwm4_mode.dev_attr.attr, |
| &sensor_dev_attr_pwm4_enable.dev_attr.attr, |
| &sensor_dev_attr_pwm4_temp_sel.dev_attr.attr, |
| &sensor_dev_attr_pwm4_temp_tolerance.dev_attr.attr, |
| &sensor_dev_attr_pwm4_crit_temp_tolerance.dev_attr.attr, |
| &sensor_dev_attr_pwm4_target_temp.dev_attr.attr, |
| &sensor_dev_attr_fan4_target.dev_attr.attr, |
| &sensor_dev_attr_fan4_tolerance.dev_attr.attr, |
| &sensor_dev_attr_pwm4_stop_time.dev_attr.attr, |
| &sensor_dev_attr_pwm4_step_up_time.dev_attr.attr, |
| &sensor_dev_attr_pwm4_step_down_time.dev_attr.attr, |
| &sensor_dev_attr_pwm4_start.dev_attr.attr, |
| &sensor_dev_attr_pwm4_floor.dev_attr.attr, |
| &sensor_dev_attr_pwm4_weight_temp_sel.dev_attr.attr, |
| &sensor_dev_attr_pwm4_weight_temp_step.dev_attr.attr, |
| &sensor_dev_attr_pwm4_weight_temp_step_tol.dev_attr.attr, |
| &sensor_dev_attr_pwm4_weight_temp_step_base.dev_attr.attr, |
| &sensor_dev_attr_pwm4_weight_duty_step.dev_attr.attr, |
| NULL |
| }, |
| { |
| &sensor_dev_attr_pwm5.dev_attr.attr, |
| &sensor_dev_attr_pwm5_mode.dev_attr.attr, |
| &sensor_dev_attr_pwm5_enable.dev_attr.attr, |
| &sensor_dev_attr_pwm5_temp_sel.dev_attr.attr, |
| &sensor_dev_attr_pwm5_temp_tolerance.dev_attr.attr, |
| &sensor_dev_attr_pwm5_crit_temp_tolerance.dev_attr.attr, |
| &sensor_dev_attr_pwm5_target_temp.dev_attr.attr, |
| &sensor_dev_attr_fan5_target.dev_attr.attr, |
| &sensor_dev_attr_fan5_tolerance.dev_attr.attr, |
| &sensor_dev_attr_pwm5_stop_time.dev_attr.attr, |
| &sensor_dev_attr_pwm5_step_up_time.dev_attr.attr, |
| &sensor_dev_attr_pwm5_step_down_time.dev_attr.attr, |
| &sensor_dev_attr_pwm5_start.dev_attr.attr, |
| &sensor_dev_attr_pwm5_floor.dev_attr.attr, |
| &sensor_dev_attr_pwm5_weight_temp_sel.dev_attr.attr, |
| &sensor_dev_attr_pwm5_weight_temp_step.dev_attr.attr, |
| &sensor_dev_attr_pwm5_weight_temp_step_tol.dev_attr.attr, |
| &sensor_dev_attr_pwm5_weight_temp_step_base.dev_attr.attr, |
| &sensor_dev_attr_pwm5_weight_duty_step.dev_attr.attr, |
| NULL |
| }, |
| }; |
| |
| static const struct attribute_group nct6775_group_pwm[5] = { |
| { .attrs = nct6775_attributes_pwm[0] }, |
| { .attrs = nct6775_attributes_pwm[1] }, |
| { .attrs = nct6775_attributes_pwm[2] }, |
| { .attrs = nct6775_attributes_pwm[3] }, |
| { .attrs = nct6775_attributes_pwm[4] }, |
| }; |
| |
| 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); |
| |
| 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; |
| u8 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) { |
| 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) */ |
| reg = nct6775_read_value(data, |
| NCT6775_REG_CRITICAL_ENAB[nr]); |
| if (val) |
| reg |= 0x02; |
| else |
| reg &= ~0x02; |
| nct6775_write_value(data, NCT6775_REG_CRITICAL_ENAB[nr], |
| reg); |
| break; |
| case nct6776: |
| break; /* always enabled, nothing to do */ |
| case nct6779: |
| nct6775_write_value(data, NCT6779_REG_CRITICAL_PWM[nr], |
| val); |
| reg = nct6775_read_value(data, |
| NCT6779_REG_CRITICAL_PWM_ENABLE[nr]); |
| if (val == 255) |
| reg &= ~0x01; |
| else |
| reg |= 0x01; |
| nct6775_write_value(data, |
| NCT6779_REG_CRITICAL_PWM_ENABLE[nr], |
| reg); |
| break; |
| } |
| } |
| mutex_unlock(&data->update_lock); |
| return 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; |
| |
| /* |
| * 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) { |
| nct6775_write_value(data, |
| NCT6775_AUTO_TEMP(data, nr, point), |
| data->auto_temp[nr][point]); |
| } else { |
| nct6775_write_value(data, data->REG_CRITICAL_TEMP[nr], |
| data->auto_temp[nr][point]); |
| } |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| /* |
| * The number of auto-point trip points is chip dependent. |
| * Need to check support while generating/removing attribute files. |
| */ |
| static struct sensor_device_attribute_2 sda_auto_pwm_arrays[] = { |
| SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 0, 0), |
| SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 0, 0), |
| SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 0, 1), |
| SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 0, 1), |
| SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 0, 2), |
| SENSOR_ATTR_2(pwm1_auto_point3_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 0, 2), |
| SENSOR_ATTR_2(pwm1_auto_point4_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 0, 3), |
| SENSOR_ATTR_2(pwm1_auto_point4_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 0, 3), |
| SENSOR_ATTR_2(pwm1_auto_point5_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 0, 4), |
| SENSOR_ATTR_2(pwm1_auto_point5_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 0, 4), |
| SENSOR_ATTR_2(pwm1_auto_point6_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 0, 5), |
| SENSOR_ATTR_2(pwm1_auto_point6_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 0, 5), |
| SENSOR_ATTR_2(pwm1_auto_point7_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 0, 6), |
| SENSOR_ATTR_2(pwm1_auto_point7_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 0, 6), |
| |
| SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 1, 0), |
| SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 1, 0), |
| SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 1, 1), |
| SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 1, 1), |
| SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 1, 2), |
| SENSOR_ATTR_2(pwm2_auto_point3_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 1, 2), |
| SENSOR_ATTR_2(pwm2_auto_point4_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 1, 3), |
| SENSOR_ATTR_2(pwm2_auto_point4_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 1, 3), |
| SENSOR_ATTR_2(pwm2_auto_point5_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 1, 4), |
| SENSOR_ATTR_2(pwm2_auto_point5_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 1, 4), |
| SENSOR_ATTR_2(pwm2_auto_point6_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 1, 5), |
| SENSOR_ATTR_2(pwm2_auto_point6_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 1, 5), |
| SENSOR_ATTR_2(pwm2_auto_point7_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 1, 6), |
| SENSOR_ATTR_2(pwm2_auto_point7_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 1, 6), |
| |
| SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 2, 0), |
| SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 2, 0), |
| SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 2, 1), |
| SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 2, 1), |
| SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 2, 2), |
| SENSOR_ATTR_2(pwm3_auto_point3_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 2, 2), |
| SENSOR_ATTR_2(pwm3_auto_point4_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 2, 3), |
| SENSOR_ATTR_2(pwm3_auto_point4_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 2, 3), |
| SENSOR_ATTR_2(pwm3_auto_point5_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 2, 4), |
| SENSOR_ATTR_2(pwm3_auto_point5_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 2, 4), |
| SENSOR_ATTR_2(pwm3_auto_point6_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 2, 5), |
| SENSOR_ATTR_2(pwm3_auto_point6_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 2, 5), |
| SENSOR_ATTR_2(pwm3_auto_point7_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 2, 6), |
| SENSOR_ATTR_2(pwm3_auto_point7_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 2, 6), |
| |
| SENSOR_ATTR_2(pwm4_auto_point1_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 3, 0), |
| SENSOR_ATTR_2(pwm4_auto_point1_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 3, 0), |
| SENSOR_ATTR_2(pwm4_auto_point2_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 3, 1), |
| SENSOR_ATTR_2(pwm4_auto_point2_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 3, 1), |
| SENSOR_ATTR_2(pwm4_auto_point3_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 3, 2), |
| SENSOR_ATTR_2(pwm4_auto_point3_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 3, 2), |
| SENSOR_ATTR_2(pwm4_auto_point4_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 3, 3), |
| SENSOR_ATTR_2(pwm4_auto_point4_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 3, 3), |
| SENSOR_ATTR_2(pwm4_auto_point5_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 3, 4), |
| SENSOR_ATTR_2(pwm4_auto_point5_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 3, 4), |
| SENSOR_ATTR_2(pwm4_auto_point6_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 3, 5), |
| SENSOR_ATTR_2(pwm4_auto_point6_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 3, 5), |
| SENSOR_ATTR_2(pwm4_auto_point7_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 3, 6), |
| SENSOR_ATTR_2(pwm4_auto_point7_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 3, 6), |
| |
| SENSOR_ATTR_2(pwm5_auto_point1_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 4, 0), |
| SENSOR_ATTR_2(pwm5_auto_point1_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 4, 0), |
| SENSOR_ATTR_2(pwm5_auto_point2_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 4, 1), |
| SENSOR_ATTR_2(pwm5_auto_point2_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 4, 1), |
| SENSOR_ATTR_2(pwm5_auto_point3_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 4, 2), |
| SENSOR_ATTR_2(pwm5_auto_point3_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 4, 2), |
| SENSOR_ATTR_2(pwm5_auto_point4_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 4, 3), |
| SENSOR_ATTR_2(pwm5_auto_point4_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 4, 3), |
| SENSOR_ATTR_2(pwm5_auto_point5_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 4, 4), |
| SENSOR_ATTR_2(pwm5_auto_point5_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 4, 4), |
| SENSOR_ATTR_2(pwm5_auto_point6_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 4, 5), |
| SENSOR_ATTR_2(pwm5_auto_point6_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 4, 5), |
| SENSOR_ATTR_2(pwm5_auto_point7_pwm, S_IWUSR | S_IRUGO, |
| show_auto_pwm, store_auto_pwm, 4, 6), |
| SENSOR_ATTR_2(pwm5_auto_point7_temp, S_IWUSR | S_IRUGO, |
| show_auto_temp, store_auto_temp, 4, 6), |
| }; |
| |
| static ssize_t |
| show_vid(struct device *dev, struct device_attribute *attr, char *buf) |
| { |
| struct nct6775_data *data = dev_get_drvdata(dev); |
| return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); |
| } |
| |
| static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); |
| |
| /* Case open detection */ |
| |
| static ssize_t |
| clear_caseopen(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct nct6775_data *data = dev_get_drvdata(dev); |
| struct nct6775_sio_data *sio_data = dev->platform_data; |
| int nr = to_sensor_dev_attr(attr)->index - INTRUSION_ALARM_BASE; |
| unsigned long val; |
| u8 reg; |
| int ret; |
| |
| if (kstrtoul(buf, 10, &val) || val != 0) |
| return -EINVAL; |
| |
| mutex_lock(&data->update_lock); |
| |
| /* |
| * Use CR registers to clear caseopen status. |
| * The CR registers are the same for all chips, and not all chips |
| * support clearing the caseopen status through "regular" registers. |
| */ |
| ret = superio_enter(sio_data->sioreg); |
| if (ret) { |
| count = ret; |
| goto error; |
| } |
| |
| superio_select(sio_data->sioreg, NCT6775_LD_ACPI); |
| reg = superio_inb(sio_data->sioreg, NCT6775_REG_CR_CASEOPEN_CLR[nr]); |
| reg |= NCT6775_CR_CASEOPEN_CLR_MASK[nr]; |
| superio_outb(sio_data->sioreg, NCT6775_REG_CR_CASEOPEN_CLR[nr], reg); |
| reg &= ~NCT6775_CR_CASEOPEN_CLR_MASK[nr]; |
| superio_outb(sio_data->sioreg, NCT6775_REG_CR_CASEOPEN_CLR[nr], reg); |
| superio_exit(sio_data->sioreg); |
| |
| data->valid = false; /* Force cache refresh */ |
| error: |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static struct sensor_device_attribute sda_caseopen[] = { |
| SENSOR_ATTR(intrusion0_alarm, S_IWUSR | S_IRUGO, show_alarm, |
| clear_caseopen, INTRUSION_ALARM_BASE), |
| SENSOR_ATTR(intrusion1_alarm, S_IWUSR | S_IRUGO, show_alarm, |
| clear_caseopen, INTRUSION_ALARM_BASE + 1), |
| }; |
| |
| /* |
| * Driver and device management |
| */ |
| |
| static void nct6775_device_remove_files(struct device *dev) |
| { |
| /* |
| * some entries in the following arrays may not have been used in |
| * device_create_file(), but device_remove_file() will ignore them |
| */ |
| int i; |
| struct nct6775_data *data = dev_get_drvdata(dev); |
| |
| for (i = 0; i < data->pwm_num; i++) |
| sysfs_remove_group(&dev->kobj, &nct6775_group_pwm[i]); |
| |
| for (i = 0; i < ARRAY_SIZE(sda_pwm_max); i++) |
| device_remove_file(dev, &sda_pwm_max[i].dev_attr); |
| |
| for (i = 0; i < ARRAY_SIZE(sda_pwm_step); i++) |
| device_remove_file(dev, &sda_pwm_step[i].dev_attr); |
| |
| for (i = 0; i < ARRAY_SIZE(sda_weight_duty_base); i++) |
| device_remove_file(dev, &sda_weight_duty_base[i].dev_attr); |
| |
| for (i = 0; i < ARRAY_SIZE(sda_auto_pwm_arrays); i++) |
| device_remove_file(dev, &sda_auto_pwm_arrays[i].dev_attr); |
| |
| for (i = 0; i < data->in_num; i++) |
| sysfs_remove_group(&dev->kobj, &nct6775_group_in[i]); |
| |
| for (i = 0; i < 5; i++) { |
| device_remove_file(dev, &sda_fan_input[i].dev_attr); |
| device_remove_file(dev, &sda_fan_alarm[i].dev_attr); |
| device_remove_file(dev, &sda_fan_div[i].dev_attr); |
| device_remove_file(dev, &sda_fan_min[i].dev_attr); |
| device_remove_file(dev, &sda_fan_pulses[i].dev_attr); |
| } |
| for (i = 0; i < NUM_TEMP; i++) { |
| if (!(data->have_temp & (1 << i))) |
| continue; |
| device_remove_file(dev, &sda_temp_input[i].dev_attr); |
| device_remove_file(dev, &sda_temp_label[i].dev_attr); |
| device_remove_file(dev, &sda_temp_max[i].dev_attr); |
| device_remove_file(dev, &sda_temp_max_hyst[i].dev_attr); |
| device_remove_file(dev, &sda_temp_crit[i].dev_attr); |
| if (!(data->have_temp_fixed & (1 << i))) |
| continue; |
| device_remove_file(dev, &sda_temp_type[i].dev_attr); |
| device_remove_file(dev, &sda_temp_offset[i].dev_attr); |
| if (i >= NUM_TEMP_ALARM) |
| continue; |
| device_remove_file(dev, &sda_temp_alarm[i].dev_attr); |
| } |
| |
| device_remove_file(dev, &sda_caseopen[0].dev_attr); |
| device_remove_file(dev, &sda_caseopen[1].dev_attr); |
| |
| device_remove_file(dev, &dev_attr_name); |
| device_remove_file(dev, &dev_attr_cpu0_vid); |
| } |
| |
| /* Get the monitoring functions started */ |
| static inline void nct6775_init_device(struct nct6775_data *data) |
| { |
| int i; |
| u8 tmp, diode; |
| |
| /* Start monitoring if needed */ |
| if (data->REG_CONFIG) { |
| tmp = nct6775_read_value(data, data->REG_CONFIG); |
| if (!(tmp & 0x01)) |
| nct6775_write_value(data, data->REG_CONFIG, tmp | 0x01); |
| } |
| |
| /* Enable temperature sensors if needed */ |
| for (i = 0; i < NUM_TEMP; i++) { |
| if (!(data->have_temp & (1 << i))) |
| continue; |
| if (!data->reg_temp_config[i]) |
| continue; |
| tmp = nct6775_read_value(data, data->reg_temp_config[i]); |
| if (tmp & 0x01) |
| nct6775_write_value(data, data->reg_temp_config[i], |
| tmp & 0xfe); |
| } |
| |
| /* Enable VBAT monitoring if needed */ |
| tmp = nct6775_read_value(data, data->REG_VBAT); |
| if (!(tmp & 0x01)) |
| nct6775_write_value(data, data->REG_VBAT, tmp | 0x01); |
| |
| diode = nct6775_read_value(data, data->REG_DIODE); |
| |
| for (i = 0; i < data->temp_fixed_num; i++) { |
| if (!(data->have_temp_fixed & (1 << i))) |
| continue; |
| if ((tmp & (0x02 << i))) /* diode */ |
| data->temp_type[i] = 3 - ((diode >> i) & 0x02); |
| else /* thermistor */ |
| data->temp_type[i] = 4; |
| } |
| } |
| |
| static int |
| nct6775_check_fan_inputs(const struct nct6775_sio_data *sio_data, |
| struct nct6775_data *data) |
| { |
| int regval; |
| bool fan3pin, fan3min, fan4pin, fan4min, fan5pin; |
| bool pwm3pin, pwm4pin, pwm5pin; |
| int ret; |
| |
| ret = superio_enter(sio_data->sioreg); |
| if (ret) |
| return ret; |
| |
| /* fan4 and fan5 share some pins with the GPIO and serial flash */ |
| if (data->kind == nct6775) { |
| regval = superio_inb(sio_data->sioreg, 0x2c); |
| |
| fan3pin = regval & (1 << 6); |
| fan3min = fan3pin; |
| pwm3pin = regval & (1 << 7); |
| |
| /* On NCT6775, fan4 shares pins with the fdc interface */ |
| fan4pin = !(superio_inb(sio_data->sioreg, 0x2A) & 0x80); |
| fan4min = 0; |
| fan5pin = 0; |
| pwm4pin = 0; |
| pwm5pin = 0; |
| } else if (data->kind == nct6776) { |
| bool gpok = superio_inb(sio_data->sioreg, 0x27) & 0x80; |
| |
| superio_select(sio_data->sioreg, NCT6775_LD_HWM); |
| regval = superio_inb(sio_data->sioreg, SIO_REG_ENABLE); |
| |
| if (regval & 0x80) |
| fan3pin = gpok; |
| else |
| fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40); |
| |
| if (regval & 0x40) |
| fan4pin = gpok; |
| else |
| fan4pin = superio_inb(sio_data->sioreg, 0x1C) & 0x01; |
| |
| if (regval & 0x20) |
| fan5pin = gpok; |
| else |
| fan5pin = superio_inb(sio_data->sioreg, 0x1C) & 0x02; |
| |
| fan4min = fan4pin; |
| fan3min = fan3pin; |
| pwm3pin = fan3pin; |
| pwm4pin = 0; |
| pwm5pin = 0; |
| } else { /* NCT6779D */ |
| regval = superio_inb(sio_data->sioreg, 0x1c); |
| |
| fan3pin = !(regval & (1 << 5)); |
| fan4pin = !(regval & (1 << 6)); |
| fan5pin = !(regval & (1 << 7)); |
| |
| pwm3pin = !(regval & (1 << 0)); |
| pwm4pin = !(regval & (1 << 1)); |
| pwm5pin = !(regval & (1 << 2)); |
| |
| fan3min = fan3pin; |
| fan4min = fan4pin; |
| } |
| |
| superio_exit(sio_data->sioreg); |
| |
| data->has_fan = data->has_fan_min = 0x03; /* fan1 and fan2 */ |
| data->has_fan |= fan3pin << 2; |
| data->has_fan_min |= fan3min << 2; |
| |
| data->has_fan |= (fan4pin << 3) | (fan5pin << 4); |
| data->has_fan_min |= (fan4min << 3) | (fan5pin << 4); |
| |
| data->has_pwm = 0x03 | (pwm3pin << 2) | (pwm4pin << 3) | (pwm5pin << 4); |
| |
| return 0; |
| } |
| |
| static void add_temp_sensors(struct nct6775_data *data, const u16 *regp, |
| int *available, int *mask) |
| { |
| int i; |
| u8 src; |
| |
| for (i = 0; i < data->pwm_num && *available; i++) { |
| int index; |
| |
| if (!regp[i]) |
| continue; |
| src = nct6775_read_value(data, regp[i]); |
| src &= 0x1f; |
| if (!src || (*mask & (1 << src))) |
| continue; |
| if (src >= data->temp_label_num || |
| !strlen(data->temp_label[src])) |
| continue; |
| |
| index = __ffs(*available); |
| nct6775_write_value(data, data->REG_TEMP_SOURCE[index], src); |
| *available &= ~(1 << index); |
| *mask |= 1 << src; |
| } |
| } |
| |
| static int nct6775_probe(struct platform_device *pdev) |
| { |
| struct device *dev = &pdev->dev; |
| struct nct6775_sio_data *sio_data = dev->platform_data; |
| struct nct6775_data *data; |
| struct resource *res; |
| int i, s, err = 0; |
| int src, mask, available; |
| const u16 *reg_temp, *reg_temp_over, *reg_temp_hyst, *reg_temp_config; |
| const u16 *reg_temp_alternate, *reg_temp_crit; |
| int num_reg_temp; |
| bool have_vid = false; |
| u8 cr2a; |
| |
| res = platform_get_resource(pdev, IORESOURCE_IO, 0); |
| if (!devm_request_region(&pdev->dev, res->start, IOREGION_LENGTH, |
| DRVNAME)) |
| return -EBUSY; |
| |
| data = devm_kzalloc(&pdev->dev, sizeof(struct nct6775_data), |
| GFP_KERNEL); |
| if (!data) |
| return -ENOMEM; |
| |
| data->kind = sio_data->kind; |
| data->addr = res->start; |
| mutex_init(&data->update_lock); |
| data->name = nct6775_device_names[data->kind]; |
| data->bank = 0xff; /* Force initial bank selection */ |
| platform_set_drvdata(pdev, data); |
| |
| switch (data->kind) { |
| 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->ALARM_BITS = NCT6775_ALARM_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_label_num = ARRAY_SIZE(nct6775_temp_label); |
| |
| data->REG_CONFIG = NCT6775_REG_CONFIG; |
| data->REG_VBAT = NCT6775_REG_VBAT; |
| data->REG_DIODE = NCT6775_REG_DIODE; |
| 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->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; |
| |
| reg_temp = NCT6775_REG_TEMP; |
| num_reg_temp = ARRAY_SIZE(NCT6775_REG_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->ALARM_BITS = NCT6776_ALARM_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_label_num = ARRAY_SIZE(nct6776_temp_label); |
| |
| data->REG_CONFIG = NCT6775_REG_CONFIG; |
| data->REG_VBAT = NCT6775_REG_VBAT; |
| data->REG_DIODE = NCT6775_REG_DIODE; |
| 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->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_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; |
| |
| reg_temp = NCT6775_REG_TEMP; |
| num_reg_temp = ARRAY_SIZE(NCT6775_REG_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->ALARM_BITS = NCT6779_ALARM_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 = nct6779_temp_label; |
| data->temp_label_num = ARRAY_SIZE(nct6779_temp_label); |
| |
| data->REG_CONFIG = NCT6775_REG_CONFIG; |
| data->REG_VBAT = NCT6775_REG_VBAT; |
| data->REG_DIODE = NCT6775_REG_DIODE; |
| 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->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_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 = 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; |
| |
| reg_temp = NCT6779_REG_TEMP; |
| num_reg_temp = ARRAY_SIZE(NCT6779_REG_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; |
| default: |
| return -ENODEV; |
| } |
| data->have_in = (1 << 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; |
| |
| src = nct6775_read_value(data, data->REG_TEMP_SOURCE[i]) & 0x1f; |
| if (!src || (mask & (1 << src))) |
| available |= 1 << i; |
| |
| mask |= 1 << src; |
| } |
| |
| /* |
| * Now find unmonitored temperature registers and enable monitoring |
| * if additional monitoring registers are available. |
| */ |
| add_temp_sensors(data, data->REG_TEMP_SEL, &available, &mask); |
| add_temp_sensors(data, data->REG_WEIGHT_TEMP_SEL, &available, &mask); |
| |
| mask = 0; |
| s = NUM_TEMP_FIXED; /* First dynamic temperature attribute */ |
| for (i = 0; i < num_reg_temp; i++) { |
| if (reg_temp[i] == 0) |
| continue; |
| |
| src = nct6775_read_value(data, data->REG_TEMP_SOURCE[i]) & 0x1f; |
| if (!src || (mask & (1 << src))) |
| continue; |
| |
| if (src >= data->temp_label_num || |
| !strlen(data->temp_label[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 |= 1 << src; |
| |
| /* Use fixed index for SYSTIN(1), CPUTIN(2), AUXTIN(3) */ |
| if (src <= data->temp_fixed_num) { |
| data->have_temp |= 1 << (src - 1); |
| data->have_temp_fixed |= 1 << (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]; |
| 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 |= 1 << 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[src - 1]) |
| data->reg_temp[3][s] = reg_temp_crit[src - 1]; |
| |
| 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 < data->temp_label_num - 1; i++) { |
| if (!reg_temp_alternate[i]) |
| continue; |
| if (mask & (1 << (i + 1))) |
| continue; |
| if (i < data->temp_fixed_num) { |
| if (data->have_temp & (1 << i)) |
| continue; |
| data->have_temp |= 1 << i; |
| data->have_temp_fixed |= 1 << i; |
| data->reg_temp[0][i] = reg_temp_alternate[i]; |
| 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 |= 1 << s; |
| data->reg_temp[0][s] = reg_temp_alternate[i]; |
| data->temp_src[s] = i + 1; |
| s++; |
| } |
| #endif /* USE_ALTERNATE */ |
| |
| /* Initialize the chip */ |
| nct6775_init_device(data); |
| |
| err = superio_enter(sio_data->sioreg); |
| if (err) |
| return err; |
| |
| cr2a = superio_inb(sio_data->sioreg, 0x2a); |
| switch (data->kind) { |
| case nct6775: |
| have_vid = (cr2a & 0x40); |
| break; |
| case nct6776: |
| have_vid = (cr2a & 0x60) == 0x40; |
| break; |
| case nct6779: |
| break; |
| } |
| |
| /* |
| * Read VID value |
| * We can get the VID input values directly at logical device D 0xe3. |
| */ |
| if (have_vid) { |
| superio_select(sio_data->sioreg, NCT6775_LD_VID); |
| data->vid = superio_inb(sio_data->sioreg, 0xe3); |
| data->vrm = vid_which_vrm(); |
| } |
| |
| if (fan_debounce) { |
| u8 tmp; |
| |
| superio_select(sio_data->sioreg, NCT6775_LD_HWM); |
| tmp = superio_inb(sio_data->sioreg, |
| NCT6775_REG_CR_FAN_DEBOUNCE); |
| switch (data->kind) { |
| case nct6775: |
| tmp |= 0x1e; |
| break; |
| case nct6776: |
| case nct6779: |
| tmp |= 0x3e; |
| break; |
| } |
| superio_outb(sio_data->sioreg, NCT6775_REG_CR_FAN_DEBOUNCE, |
| tmp); |
| dev_info(&pdev->dev, "Enabled fan debounce for chip %s\n", |
| data->name); |
| } |
| |
| superio_exit(sio_data->sioreg); |
| |
| if (have_vid) { |
| err = device_create_file(dev, &dev_attr_cpu0_vid); |
| if (err) |
| return err; |
| } |
| |
| err = nct6775_check_fan_inputs(sio_data, data); |
| if (err) |
| goto exit_remove; |
| |
| /* Read fan clock dividers immediately */ |
| nct6775_init_fan_common(dev, data); |
| |
| /* Register sysfs hooks */ |
| for (i = 0; i < data->pwm_num; i++) { |
| if (!(data->has_pwm & (1 << i))) |
| continue; |
| |
| err = sysfs_create_group(&dev->kobj, &nct6775_group_pwm[i]); |
| if (err) |
| goto exit_remove; |
| |
| if (data->REG_PWM[3]) { |
| err = device_create_file(dev, |
| &sda_pwm_max[i].dev_attr); |
| if (err) |
| goto exit_remove; |
| } |
| if (data->REG_PWM[4]) { |
| err = device_create_file(dev, |
| &sda_pwm_step[i].dev_attr); |
| if (err) |
| goto exit_remove; |
| } |
| if (data->REG_PWM[6]) { |
| err = device_create_file(dev, |
| &sda_weight_duty_base[i].dev_attr); |
| if (err) |
| goto exit_remove; |
| } |
| } |
| for (i = 0; i < ARRAY_SIZE(sda_auto_pwm_arrays); i++) { |
| struct sensor_device_attribute_2 *attr = |
| &sda_auto_pwm_arrays[i]; |
| |
| if (!(data->has_pwm & (1 << attr->nr))) |
| continue; |
| if (attr->index > data->auto_pwm_num) |
| continue; |
| err = device_create_file(dev, &attr->dev_attr); |
| if (err) |
| goto exit_remove; |
| } |
| |
| for (i = 0; i < data->in_num; i++) { |
| if (!(data->have_in & (1 << i))) |
| continue; |
| err = sysfs_create_group(&dev->kobj, &nct6775_group_in[i]); |
| if (err) |
| goto exit_remove; |
| } |
| |
| for (i = 0; i < 5; i++) { |
| if (data->has_fan & (1 << i)) { |
| err = device_create_file(dev, |
| &sda_fan_input[i].dev_attr); |
| if (err) |
| goto exit_remove; |
| err = device_create_file(dev, |
| &sda_fan_alarm[i].dev_attr); |
| if (err) |
| goto exit_remove; |
| if (data->kind != nct6776 && |
| data->kind != nct6779) { |
| err = device_create_file(dev, |
| &sda_fan_div[i].dev_attr); |
| if (err) |
| goto exit_remove; |
| } |
| if (data->has_fan_min & (1 << i)) { |
| err = device_create_file(dev, |
| &sda_fan_min[i].dev_attr); |
| if (err) |
| goto exit_remove; |
| } |
| err = device_create_file(dev, |
| &sda_fan_pulses[i].dev_attr); |
| if (err) |
| goto exit_remove; |
| } |
| } |
| |
| for (i = 0; i < NUM_TEMP; i++) { |
| if (!(data->have_temp & (1 << i))) |
| continue; |
| err = device_create_file(dev, &sda_temp_input[i].dev_attr); |
| if (err) |
| goto exit_remove; |
| if (data->temp_label) { |
| err = device_create_file(dev, |
| &sda_temp_label[i].dev_attr); |
| if (err) |
| goto exit_remove; |
| } |
| if (data->reg_temp[1][i]) { |
| err = device_create_file(dev, |
| &sda_temp_max[i].dev_attr); |
| if (err) |
| goto exit_remove; |
| } |
| if (data->reg_temp[2][i]) { |
| err = device_create_file(dev, |
| &sda_temp_max_hyst[i].dev_attr); |
| if (err) |
| goto exit_remove; |
| } |
| if (data->reg_temp[3][i]) { |
| err = device_create_file(dev, |
| &sda_temp_crit[i].dev_attr); |
| if (err) |
| goto exit_remove; |
| } |
| if (!(data->have_temp_fixed & (1 << i))) |
| continue; |
| err = device_create_file(dev, &sda_temp_type[i].dev_attr); |
| if (err) |
| goto exit_remove; |
| err = device_create_file(dev, &sda_temp_offset[i].dev_attr); |
| if (err) |
| goto exit_remove; |
| if (i >= NUM_TEMP_ALARM || |
| data->ALARM_BITS[TEMP_ALARM_BASE + i] < 0) |
| continue; |
| err = device_create_file(dev, &sda_temp_alarm[i].dev_attr); |
| if (err) |
| goto exit_remove; |
| } |
| |
| for (i = 0; i < ARRAY_SIZE(sda_caseopen); i++) { |
| if (data->ALARM_BITS[INTRUSION_ALARM_BASE + i] < 0) |
| continue; |
| err = device_create_file(dev, &sda_caseopen[i].dev_attr); |
| if (err) |
| goto exit_remove; |
| } |
| |
| err = device_create_file(dev, &dev_attr_name); |
| if (err) |
| goto exit_remove; |
| |
| data->hwmon_dev = hwmon_device_register(dev); |
| if (IS_ERR(data->hwmon_dev)) { |
| err = PTR_ERR(data->hwmon_dev); |
| goto exit_remove; |
| } |
| |
| return 0; |
| |
| exit_remove: |
| nct6775_device_remove_files(dev); |
| return err; |
| } |
| |
| static int nct6775_remove(struct platform_device *pdev) |
| { |
| struct nct6775_data *data = platform_get_drvdata(pdev); |
| |
| hwmon_device_unregister(data->hwmon_dev); |
| nct6775_device_remove_files(&pdev->dev); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_PM |
| static int nct6775_suspend(struct device *dev) |
| { |
| struct nct6775_data *data = nct6775_update_device(dev); |
| struct nct6775_sio_data *sio_data = dev->platform_data; |
| |
| mutex_lock(&data->update_lock); |
| data->vbat = nct6775_read_value(data, data->REG_VBAT); |
| if (sio_data->kind == nct6775) { |
| data->fandiv1 = nct6775_read_value(data, NCT6775_REG_FANDIV1); |
| data->fandiv2 = nct6775_read_value(data, NCT6775_REG_FANDIV2); |
| } |
| mutex_unlock(&data->update_lock); |
| |
| return 0; |
| } |
| |
| static int nct6775_resume(struct device *dev) |
| { |
| struct nct6775_data *data = dev_get_drvdata(dev); |
| struct nct6775_sio_data *sio_data = dev->platform_data; |
| int i, j; |
| |
| mutex_lock(&data->update_lock); |
| data->bank = 0xff; /* Force initial bank selection */ |
| |
| /* Restore limits */ |
| for (i = 0; i < data->in_num; i++) { |
| if (!(data->have_in & (1 << i))) |
| continue; |
| |
| nct6775_write_value(data, data->REG_IN_MINMAX[0][i], |
| data->in[i][1]); |
| nct6775_write_value(data, data->REG_IN_MINMAX[1][i], |
| data->in[i][2]); |
| } |
| |
| for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) { |
| if (!(data->has_fan_min & (1 << i))) |
| continue; |
| |
| nct6775_write_value(data, data->REG_FAN_MIN[i], |
| data->fan_min[i]); |
| } |
| |
| for (i = 0; i < NUM_TEMP; i++) { |
| if (!(data->have_temp & (1 << i))) |
| continue; |
| |
| for (j = 1; j < ARRAY_SIZE(data->reg_temp); j++) |
| if (data->reg_temp[j][i]) |
| nct6775_write_temp(data, data->reg_temp[j][i], |
| data->temp[j][i]); |
| } |
| |
| /* Restore other settings */ |
| nct6775_write_value(data, data->REG_VBAT, data->vbat); |
| if (sio_data->kind == nct6775) { |
| nct6775_write_value(data, NCT6775_REG_FANDIV1, data->fandiv1); |
| nct6775_write_value(data, NCT6775_REG_FANDIV2, data->fandiv2); |
| } |
| |
| /* Force re-reading all values */ |
| data->valid = false; |
| mutex_unlock(&data->update_lock); |
| |
| return 0; |
| } |
| |
| static const struct dev_pm_ops nct6775_dev_pm_ops = { |
| .suspend = nct6775_suspend, |
| .resume = nct6775_resume, |
| }; |
| |
| #define NCT6775_DEV_PM_OPS (&nct6775_dev_pm_ops) |
| #else |
| #define NCT6775_DEV_PM_OPS NULL |
| #endif /* CONFIG_PM */ |
| |
| static struct platform_driver nct6775_driver = { |
| .driver = { |
| .owner = THIS_MODULE, |
| .name = DRVNAME, |
| .pm = NCT6775_DEV_PM_OPS, |
| }, |
| .probe = nct6775_probe, |
| .remove = nct6775_remove, |
| }; |
| |
| static const char * const nct6775_sio_names[] __initconst = { |
| "NCT6775F", |
| "NCT6776D/F", |
| "NCT6779D", |
| }; |
| |
| /* nct6775_find() looks for a '627 in the Super-I/O config space */ |
| static int __init nct6775_find(int sioaddr, unsigned short *addr, |
| struct nct6775_sio_data *sio_data) |
| { |
| u16 val; |
| int err; |
| |
| err = superio_enter(sioaddr); |
| if (err) |
| return err; |
| |
| if (force_id) |
| val = force_id; |
| else |
| val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8) |
| | superio_inb(sioaddr, SIO_REG_DEVID + 1); |
| switch (val & SIO_ID_MASK) { |
| case SIO_NCT6775_ID: |
| sio_data->kind = nct6775; |
| break; |
| case SIO_NCT6776_ID: |
| sio_data->kind = nct6776; |
| break; |
| case SIO_NCT6779_ID: |
| sio_data->kind = nct6779; |
| break; |
| default: |
| if (val != 0xffff) |
| pr_debug("unsupported chip ID: 0x%04x\n", val); |
| superio_exit(sioaddr); |
| return -ENODEV; |
| } |
| |
| /* We have a known chip, find the HWM I/O address */ |
| superio_select(sioaddr, NCT6775_LD_HWM); |
| val = (superio_inb(sioaddr, SIO_REG_ADDR) << 8) |
| | superio_inb(sioaddr, SIO_REG_ADDR + 1); |
| *addr = val & IOREGION_ALIGNMENT; |
| if (*addr == 0) { |
| pr_err("Refusing to enable a Super-I/O device with a base I/O port 0\n"); |
| superio_exit(sioaddr); |
| return -ENODEV; |
| } |
| |
| /* Activate logical device if needed */ |
| val = superio_inb(sioaddr, SIO_REG_ENABLE); |
| if (!(val & 0x01)) { |
| pr_warn("Forcibly enabling Super-I/O. Sensor is probably unusable.\n"); |
| superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01); |
| } |
| |
| superio_exit(sioaddr); |
| pr_info("Found %s or compatible chip at %#x\n", |
| nct6775_sio_names[sio_data->kind], *addr); |
| sio_data->sioreg = sioaddr; |
| |
| return 0; |
| } |
| |
| /* |
| * when Super-I/O functions move to a separate file, the Super-I/O |
| * bus will manage the lifetime of the device and this module will only keep |
| * track of the nct6775 driver. But since we platform_device_alloc(), we |
| * must keep track of the device |
| */ |
| static struct platform_device *pdev; |
| |
| static int __init sensors_nct6775_init(void) |
| { |
| int err; |
| unsigned short address; |
| struct resource res; |
| struct nct6775_sio_data sio_data; |
| |
| /* |
| * initialize sio_data->kind and sio_data->sioreg. |
| * |
| * when Super-I/O functions move to a separate file, the Super-I/O |
| * driver will probe 0x2e and 0x4e and auto-detect the presence of a |
| * nct6775 hardware monitor, and call probe() |
| */ |
| if (nct6775_find(0x2e, &address, &sio_data) && |
| nct6775_find(0x4e, &address, &sio_data)) |
| return -ENODEV; |
| |
| err = platform_driver_register(&nct6775_driver); |
| if (err) |
| goto exit; |
| |
| pdev = platform_device_alloc(DRVNAME, address); |
| if (!pdev) { |
| err = -ENOMEM; |
| pr_err("Device allocation failed\n"); |
| goto exit_unregister; |
| } |
| |
| err = platform_device_add_data(pdev, &sio_data, |
| sizeof(struct nct6775_sio_data)); |
| if (err) { |
| pr_err("Platform data allocation failed\n"); |
| goto exit_device_put; |
| } |
| |
| memset(&res, 0, sizeof(res)); |
| res.name = DRVNAME; |
| res.start = address + IOREGION_OFFSET; |
| res.end = address + IOREGION_OFFSET + IOREGION_LENGTH - 1; |
| res.flags = IORESOURCE_IO; |
| |
| err = acpi_check_resource_conflict(&res); |
| if (err) |
| goto exit_device_put; |
| |
| err = platform_device_add_resources(pdev, &res, 1); |
| if (err) { |
| pr_err("Device resource addition failed (%d)\n", err); |
| goto exit_device_put; |
| } |
| |
| /* platform_device_add calls probe() */ |
| err = platform_device_add(pdev); |
| if (err) { |
| pr_err("Device addition failed (%d)\n", err); |
| goto exit_device_put; |
| } |
| |
| return 0; |
| |
| exit_device_put: |
| platform_device_put(pdev); |
| exit_unregister: |
| platform_driver_unregister(&nct6775_driver); |
| exit: |
| return err; |
| } |
| |
| static void __exit sensors_nct6775_exit(void) |
| { |
| platform_device_unregister(pdev); |
| platform_driver_unregister(&nct6775_driver); |
| } |
| |
| MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>"); |
| MODULE_DESCRIPTION("NCT6775F/NCT6776F/NCT6779D driver"); |
| MODULE_LICENSE("GPL"); |
| |
| module_init(sensors_nct6775_init); |
| module_exit(sensors_nct6775_exit); |
