diff options
| author | Zev Weiss <zev@bewilderbeest.net> | 2022-04-27 04:01:53 +0300 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2022-05-20 20:57:06 +0300 |
| commit | c3963bc0a0cf9ecb205a9d4976eb92b6df2fa3fd (patch) | |
| tree | 37877c3a0be95edac62fd6abf24fcdc32e9335f9 /drivers/hwmon/nct6775.c | |
| parent | ae0d7227741f6791f056f906625ffbd5fe95fb2c (diff) | |
| download | linux-c3963bc0a0cf9ecb205a9d4976eb92b6df2fa3fd.tar.xz | |
hwmon: (nct6775) Split core and platform driver
This splits the nct6775 driver into an interface-independent core and
a separate platform driver that wraps inb/outb port I/O (or asuswmi
methods) around that core.
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Tested-by: Renze Nicolai <renze@rnplus.nl>
Link: https://lore.kernel.org/r/20220427010154.29749-7-zev@bewilderbeest.net
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/nct6775.c')
| -rw-r--r-- | drivers/hwmon/nct6775.c | 5606 |
1 files changed, 0 insertions, 5606 deletions
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c deleted file mode 100644 index 5e741bcf2645..000000000000 --- a/drivers/hwmon/nct6775.c +++ /dev/null @@ -1,5606 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * nct6775 - Driver for the hardware monitoring functionality of - * Nuvoton NCT677x Super-I/O chips - * - * Copyright (C) 2012 Guenter Roeck <linux@roeck-us.net> - * - * Derived from w83627ehf driver - * Copyright (C) 2005-2012 Jean Delvare <jdelvare@suse.de> - * 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 - * - * Supports the following chips: - * - * Chip #vin #fan #pwm #temp chip IDs man ID - * nct6106d 9 3 3 6+3 0xc450 0xc1 0x5ca3 - * nct6116d 9 5 5 3+3 0xd280 0xc1 0x5ca3 - * nct6775f 9 4 3 6+3 0xb470 0xc1 0x5ca3 - * nct6776f 9 5 3 6+3 0xc330 0xc1 0x5ca3 - * nct6779d 15 5 5 2+6 0xc560 0xc1 0x5ca3 - * nct6791d 15 6 6 2+6 0xc800 0xc1 0x5ca3 - * nct6792d 15 6 6 2+6 0xc910 0xc1 0x5ca3 - * nct6793d 15 6 6 2+6 0xd120 0xc1 0x5ca3 - * nct6795d 14 6 6 2+6 0xd350 0xc1 0x5ca3 - * nct6796d 14 7 7 2+6 0xd420 0xc1 0x5ca3 - * nct6797d 14 7 7 2+6 0xd450 0xc1 0x5ca3 - * (0xd451) - * nct6798d 14 7 7 2+6 0xd428 0xc1 0x5ca3 - * (0xd429) - * - * #temp lists the number of monitored temperature sources (first value) plus - * the number of directly connectable temperature sensors (second value). - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/jiffies.h> -#include <linux/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/bitops.h> -#include <linux/dmi.h> -#include <linux/io.h> -#include <linux/nospec.h> -#include <linux/regmap.h> -#include <linux/wmi.h> -#include "lm75.h" - -#define USE_ALTERNATE - -enum kinds { nct6106, nct6116, nct6775, nct6776, nct6779, nct6791, nct6792, - nct6793, nct6795, nct6796, nct6797, nct6798 }; - -/* used to set data->name = nct6775_device_names[data->sio_kind] */ -static const char * const nct6775_device_names[] = { - "nct6106", - "nct6116", - "nct6775", - "nct6776", - "nct6779", - "nct6791", - "nct6792", - "nct6793", - "nct6795", - "nct6796", - "nct6797", - "nct6798", -}; - -static const char * const nct6775_sio_names[] __initconst = { - "NCT6106D", - "NCT6116D", - "NCT6775F", - "NCT6776D/F", - "NCT6779D", - "NCT6791D", - "NCT6792D", - "NCT6793D", - "NCT6795D", - "NCT6796D", - "NCT6797D", - "NCT6798D", -}; - -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 NCT6775_LD_12 0x12 - -#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_NCT6106_ID 0xc450 -#define SIO_NCT6116_ID 0xd280 -#define SIO_NCT6775_ID 0xb470 -#define SIO_NCT6776_ID 0xc330 -#define SIO_NCT6779_ID 0xc560 -#define SIO_NCT6791_ID 0xc800 -#define SIO_NCT6792_ID 0xc910 -#define SIO_NCT6793_ID 0xd120 -#define SIO_NCT6795_ID 0xd350 -#define SIO_NCT6796_ID 0xd420 -#define SIO_NCT6797_ID 0xd450 -#define SIO_NCT6798_ID 0xd428 -#define SIO_ID_MASK 0xFFF8 - -enum pwm_enable { off, manual, thermal_cruise, speed_cruise, sf3, sf4 }; -enum sensor_access { access_direct, access_asuswmi }; - -struct nct6775_sio_data { - int sioreg; - int ld; - enum kinds kind; - enum sensor_access access; - - /* superio_() callbacks */ - void (*sio_outb)(struct nct6775_sio_data *sio_data, int reg, int val); - int (*sio_inb)(struct nct6775_sio_data *sio_data, int reg); - void (*sio_select)(struct nct6775_sio_data *sio_data, int ld); - int (*sio_enter)(struct nct6775_sio_data *sio_data); - void (*sio_exit)(struct nct6775_sio_data *sio_data); -}; - -#define ASUSWMI_MONITORING_GUID "466747A0-70EC-11DE-8A39-0800200C9A66" -#define ASUSWMI_METHODID_RSIO 0x5253494F -#define ASUSWMI_METHODID_WSIO 0x5753494F -#define ASUSWMI_METHODID_RHWM 0x5248574D -#define ASUSWMI_METHODID_WHWM 0x5748574D -#define ASUSWMI_UNSUPPORTED_METHOD 0xFFFFFFFE - -static int nct6775_asuswmi_evaluate_method(u32 method_id, u8 bank, u8 reg, u8 val, u32 *retval) -{ -#if IS_ENABLED(CONFIG_ACPI_WMI) - u32 args = bank | (reg << 8) | (val << 16); - struct acpi_buffer input = { (acpi_size) sizeof(args), &args }; - struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; - acpi_status status; - union acpi_object *obj; - u32 tmp = ASUSWMI_UNSUPPORTED_METHOD; - - status = wmi_evaluate_method(ASUSWMI_MONITORING_GUID, 0, - method_id, &input, &output); - - if (ACPI_FAILURE(status)) - return -EIO; - - obj = output.pointer; - if (obj && obj->type == ACPI_TYPE_INTEGER) - tmp = obj->integer.value; - - if (retval) - *retval = tmp; - - kfree(obj); - - if (tmp == ASUSWMI_UNSUPPORTED_METHOD) - return -ENODEV; - return 0; -#else - return -EOPNOTSUPP; -#endif -} - -static inline int nct6775_asuswmi_write(u8 bank, u8 reg, u8 val) -{ - return nct6775_asuswmi_evaluate_method(ASUSWMI_METHODID_WHWM, bank, - reg, val, NULL); -} - -static inline int nct6775_asuswmi_read(u8 bank, u8 reg, u8 *val) -{ - u32 ret, tmp = 0; - - ret = nct6775_asuswmi_evaluate_method(ASUSWMI_METHODID_RHWM, bank, - reg, 0, &tmp); - *val = tmp; - return ret; -} - -static int superio_wmi_inb(struct nct6775_sio_data *sio_data, int reg) -{ - int tmp = 0; - - nct6775_asuswmi_evaluate_method(ASUSWMI_METHODID_RSIO, sio_data->ld, - reg, 0, &tmp); - return tmp; -} - -static void superio_wmi_outb(struct nct6775_sio_data *sio_data, int reg, int val) -{ - nct6775_asuswmi_evaluate_method(ASUSWMI_METHODID_WSIO, sio_data->ld, - reg, val, NULL); -} - -static void superio_wmi_select(struct nct6775_sio_data *sio_data, int ld) -{ - sio_data->ld = ld; -} - -static int superio_wmi_enter(struct nct6775_sio_data *sio_data) -{ - return 0; -} - -static void superio_wmi_exit(struct nct6775_sio_data *sio_data) -{ -} - -static void superio_outb(struct nct6775_sio_data *sio_data, int reg, int val) -{ - int ioreg = sio_data->sioreg; - - outb(reg, ioreg); - outb(val, ioreg + 1); -} - -static int superio_inb(struct nct6775_sio_data *sio_data, int reg) -{ - int ioreg = sio_data->sioreg; - - outb(reg, ioreg); - return inb(ioreg + 1); -} - -static void superio_select(struct nct6775_sio_data *sio_data, int ld) -{ - int ioreg = sio_data->sioreg; - - outb(SIO_REG_LDSEL, ioreg); - outb(ld, ioreg + 1); -} - -static int superio_enter(struct nct6775_sio_data *sio_data) -{ - int ioreg = sio_data->sioreg; - - /* - * 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 void superio_exit(struct nct6775_sio_data *sio_data) -{ - int ioreg = sio_data->sioreg; - - 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 -#define NCT6775_PORT_CHIPID 0x58 - -/* - * 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_TSI_TEMP 8 /* Max number of TSI temp register pairs */ - -#define NUM_REG_ALARM 7 /* Max number of alarm registers */ -#define NUM_REG_BEEP 5 /* Max number of beep registers */ - -#define NUM_FAN 7 - -/* Common and NCT6775 specific data */ - -/* Voltage min/max registers for nr=7..14 are in bank 5 */ - -static const u16 NCT6775_REG_IN_MAX[] = { - 0x2b, 0x2d, 0x2f, 0x31, 0x33, 0x35, 0x37, 0x554, 0x556, 0x558, 0x55a, - 0x55c, 0x55e, 0x560, 0x562 }; -static const u16 NCT6775_REG_IN_MIN[] = { - 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x555, 0x557, 0x559, 0x55b, - 0x55d, 0x55f, 0x561, 0x563 }; -static const u16 NCT6775_REG_IN[] = { - 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x550, 0x551, 0x552 -}; - -#define NCT6775_REG_VBAT 0x5D -#define NCT6775_REG_DIODE 0x5E -#define NCT6775_DIODE_MASK 0x02 - -#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..29 temperatures, 30..31 intrusion */ - -static const s8 NCT6775_ALARM_BITS[] = { - 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */ - 17, -1, -1, -1, -1, -1, -1, /* in8..in14 */ - -1, /* unused */ - 6, 7, 11, -1, -1, /* fan1..fan5 */ - -1, -1, -1, /* unused */ - 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ - 12, -1 }; /* intrusion0, intrusion1 */ - -#define FAN_ALARM_BASE 16 -#define TEMP_ALARM_BASE 24 -#define INTRUSION_ALARM_BASE 30 - -static const u16 NCT6775_REG_BEEP[NUM_REG_BEEP] = { 0x56, 0x57, 0x453, 0x4e }; - -/* - * 0..14 voltages, 15 global beep enable, 16..23 fans, 24..29 temperatures, - * 30..31 intrusion - */ -static const s8 NCT6775_BEEP_BITS[] = { - 0, 1, 2, 3, 8, 9, 10, 16, /* in0.. in7 */ - 17, -1, -1, -1, -1, -1, -1, /* in8..in14 */ - 21, /* global beep enable */ - 6, 7, 11, 28, -1, /* fan1..fan5 */ - -1, -1, -1, /* unused */ - 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ - 12, -1 }; /* intrusion0, intrusion1 */ - -#define BEEP_ENABLE_BASE 15 - -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, 0xa01, 0xb01 }; -static const u16 NCT6775_REG_FAN_MODE[] = { - 0x102, 0x202, 0x302, 0x802, 0x902, 0xa02, 0xb02 }; -static const u16 NCT6775_REG_FAN_STEP_DOWN_TIME[] = { - 0x103, 0x203, 0x303, 0x803, 0x903, 0xa03, 0xb03 }; -static const u16 NCT6775_REG_FAN_STEP_UP_TIME[] = { - 0x104, 0x204, 0x304, 0x804, 0x904, 0xa04, 0xb04 }; -static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = { - 0x105, 0x205, 0x305, 0x805, 0x905, 0xa05, 0xb05 }; -static const u16 NCT6775_REG_FAN_START_OUTPUT[] = { - 0x106, 0x206, 0x306, 0x806, 0x906, 0xa06, 0xb06 }; -static const u16 NCT6775_REG_FAN_MAX_OUTPUT[] = { 0x10a, 0x20a, 0x30a }; -static const u16 NCT6775_REG_FAN_STEP_OUTPUT[] = { 0x10b, 0x20b, 0x30b }; - -static const u16 NCT6775_REG_FAN_STOP_TIME[] = { - 0x107, 0x207, 0x307, 0x807, 0x907, 0xa07, 0xb07 }; -static const u16 NCT6775_REG_PWM[] = { - 0x109, 0x209, 0x309, 0x809, 0x909, 0xa09, 0xb09 }; -static const u16 NCT6775_REG_PWM_READ[] = { - 0x01, 0x03, 0x11, 0x13, 0x15, 0xa09, 0xb09 }; - -static const u16 NCT6775_REG_FAN[] = { 0x630, 0x632, 0x634, 0x636, 0x638 }; -static const u16 NCT6775_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d }; -static const u16 NCT6775_REG_FAN_PULSES[NUM_FAN] = { - 0x641, 0x642, 0x643, 0x644 }; -static const u16 NCT6775_FAN_PULSE_SHIFT[NUM_FAN] = { }; - -static const u16 NCT6775_REG_TEMP[] = { - 0x27, 0x150, 0x250, 0x62b, 0x62c, 0x62d }; - -static const u16 NCT6775_REG_TEMP_MON[] = { 0x73, 0x75, 0x77 }; - -static const u16 NCT6775_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6775_REG_TEMP)] = { - 0, 0x152, 0x252, 0x628, 0x629, 0x62A }; -static const u16 NCT6775_REG_TEMP_HYST[ARRAY_SIZE(NCT6775_REG_TEMP)] = { - 0x3a, 0x153, 0x253, 0x673, 0x678, 0x67D }; -static const u16 NCT6775_REG_TEMP_OVER[ARRAY_SIZE(NCT6775_REG_TEMP)] = { - 0x39, 0x155, 0x255, 0x672, 0x677, 0x67C }; - -static const u16 NCT6775_REG_TEMP_SOURCE[ARRAY_SIZE(NCT6775_REG_TEMP)] = { - 0x621, 0x622, 0x623, 0x624, 0x625, 0x626 }; - -static const u16 NCT6775_REG_TEMP_SEL[] = { - 0x100, 0x200, 0x300, 0x800, 0x900, 0xa00, 0xb00 }; - -static const u16 NCT6775_REG_WEIGHT_TEMP_SEL[] = { - 0x139, 0x239, 0x339, 0x839, 0x939, 0xa39 }; -static const u16 NCT6775_REG_WEIGHT_TEMP_STEP[] = { - 0x13a, 0x23a, 0x33a, 0x83a, 0x93a, 0xa3a }; -static const u16 NCT6775_REG_WEIGHT_TEMP_STEP_TOL[] = { - 0x13b, 0x23b, 0x33b, 0x83b, 0x93b, 0xa3b }; -static const u16 NCT6775_REG_WEIGHT_DUTY_STEP[] = { - 0x13c, 0x23c, 0x33c, 0x83c, 0x93c, 0xa3c }; -static const u16 NCT6775_REG_WEIGHT_TEMP_BASE[] = { - 0x13d, 0x23d, 0x33d, 0x83d, 0x93d, 0xa3d }; - -static const u16 NCT6775_REG_TEMP_OFFSET[] = { 0x454, 0x455, 0x456 }; - -static const u16 NCT6775_REG_AUTO_TEMP[] = { - 0x121, 0x221, 0x321, 0x821, 0x921, 0xa21, 0xb21 }; -static const u16 NCT6775_REG_AUTO_PWM[] = { - 0x127, 0x227, 0x327, 0x827, 0x927, 0xa27, 0xb27 }; - -#define NCT6775_AUTO_TEMP(data, nr, p) ((data)->REG_AUTO_TEMP[nr] + (p)) -#define NCT6775_AUTO_PWM(data, nr, p) ((data)->REG_AUTO_PWM[nr] + (p)) - -static const u16 NCT6775_REG_CRITICAL_ENAB[] = { 0x134, 0x234, 0x334 }; - -static const u16 NCT6775_REG_CRITICAL_TEMP[] = { - 0x135, 0x235, 0x335, 0x835, 0x935, 0xa35, 0xb35 }; -static const u16 NCT6775_REG_CRITICAL_TEMP_TOLERANCE[] = { - 0x138, 0x238, 0x338, 0x838, 0x938, 0xa38, 0xb38 }; - -static const char *const nct6775_temp_label[] = { - "", - "SYSTIN", - "CPUTIN", - "AUXTIN", - "AMD SB-TSI", - "PECI Agent 0", - "PECI Agent 1", - "PECI Agent 2", - "PECI Agent 3", - "PECI Agent 4", - "PECI Agent 5", - "PECI Agent 6", - "PECI Agent 7", - "PCH_CHIP_CPU_MAX_TEMP", - "PCH_CHIP_TEMP", - "PCH_CPU_TEMP", - "PCH_MCH_TEMP", - "PCH_DIM0_TEMP", - "PCH_DIM1_TEMP", - "PCH_DIM2_TEMP", - "PCH_DIM3_TEMP" -}; - -#define NCT6775_TEMP_MASK 0x001ffffe -#define NCT6775_VIRT_TEMP_MASK 0x00000000 - -static const u16 NCT6775_REG_TEMP_ALTERNATE[32] = { - [13] = 0x661, - [14] = 0x662, - [15] = 0x664, -}; - -static const u16 NCT6775_REG_TEMP_CRIT[32] = { - [4] = 0xa00, - [5] = 0xa01, - [6] = 0xa02, - [7] = 0xa03, - [8] = 0xa04, - [9] = 0xa05, - [10] = 0xa06, - [11] = 0xa07 -}; - -static const u16 NCT6775_REG_TSI_TEMP[] = { 0x669 }; - -/* NCT6776 specific data */ - -/* STEP_UP_TIME and STEP_DOWN_TIME regs are swapped for all chips but NCT6775 */ -#define NCT6776_REG_FAN_STEP_UP_TIME NCT6775_REG_FAN_STEP_DOWN_TIME -#define NCT6776_REG_FAN_STEP_DOWN_TIME NCT6775_REG_FAN_STEP_UP_TIME - -static const s8 NCT6776_ALARM_BITS[] = { - 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */ - 17, -1, -1, -1, -1, -1, -1, /* in8..in14 */ - -1, /* unused */ - 6, 7, 11, 10, 23, /* fan1..fan5 */ - -1, -1, -1, /* unused */ - 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ - 12, 9 }; /* intrusion0, intrusion1 */ - -static const u16 NCT6776_REG_BEEP[NUM_REG_BEEP] = { 0xb2, 0xb3, 0xb4, 0xb5 }; - -static const s8 NCT6776_BEEP_BITS[] = { - 0, 1, 2, 3, 4, 5, 6, 7, /* in0.. in7 */ - 8, -1, -1, -1, -1, -1, -1, /* in8..in14 */ - 24, /* global beep enable */ - 25, 26, 27, 28, 29, /* fan1..fan5 */ - -1, -1, -1, /* unused */ - 16, 17, 18, 19, 20, 21, /* temp1..temp6 */ - 30, 31 }; /* intrusion0, intrusion1 */ - -static const u16 NCT6776_REG_TOLERANCE_H[] = { - 0x10c, 0x20c, 0x30c, 0x80c, 0x90c, 0xa0c, 0xb0c }; - -static const u8 NCT6776_REG_PWM_MODE[] = { 0x04, 0, 0, 0, 0, 0 }; -static const u8 NCT6776_PWM_MODE_MASK[] = { 0x01, 0, 0, 0, 0, 0 }; - -static const u16 NCT6776_REG_FAN_MIN[] = { - 0x63a, 0x63c, 0x63e, 0x640, 0x642, 0x64a, 0x64c }; -static const u16 NCT6776_REG_FAN_PULSES[NUM_FAN] = { - 0x644, 0x645, 0x646, 0x647, 0x648, 0x649 }; - -static const u16 NCT6776_REG_WEIGHT_DUTY_BASE[] = { - 0x13e, 0x23e, 0x33e, 0x83e, 0x93e, 0xa3e }; - -static const u16 NCT6776_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6775_REG_TEMP)] = { - 0x18, 0x152, 0x252, 0x628, 0x629, 0x62A }; - -static const char *const nct6776_temp_label[] = { - "", - "SYSTIN", - "CPUTIN", - "AUXTIN", - "SMBUSMASTER 0", - "SMBUSMASTER 1", - "SMBUSMASTER 2", - "SMBUSMASTER 3", - "SMBUSMASTER 4", - "SMBUSMASTER 5", - "SMBUSMASTER 6", - "SMBUSMASTER 7", - "PECI Agent 0", - "PECI Agent 1", - "PCH_CHIP_CPU_MAX_TEMP", - "PCH_CHIP_TEMP", - "PCH_CPU_TEMP", - "PCH_MCH_TEMP", - "PCH_DIM0_TEMP", - "PCH_DIM1_TEMP", - "PCH_DIM2_TEMP", - "PCH_DIM3_TEMP", - "BYTE_TEMP" -}; - -#define NCT6776_TEMP_MASK 0x007ffffe -#define NCT6776_VIRT_TEMP_MASK 0x00000000 - -static const u16 NCT6776_REG_TEMP_ALTERNATE[32] = { - [14] = 0x401, - [15] = 0x402, - [16] = 0x404, -}; - -static const u16 NCT6776_REG_TEMP_CRIT[32] = { - [11] = 0x709, - [12] = 0x70a, -}; - -static const u16 NCT6776_REG_TSI_TEMP[] = { - 0x409, 0x40b, 0x40d, 0x40f, 0x411, 0x413, 0x415, 0x417 }; - -/* NCT6779 specific data */ - -static const u16 NCT6779_REG_IN[] = { - 0x480, 0x481, 0x482, 0x483, 0x484, 0x485, 0x486, 0x487, - 0x488, 0x489, 0x48a, 0x48b, 0x48c, 0x48d, 0x48e }; - -static const u16 NCT6779_REG_ALARM[NUM_REG_ALARM] = { - 0x459, 0x45A, 0x45B, 0x568 }; - -static const s8 NCT6779_ALARM_BITS[] = { - 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */ - 17, 24, 25, 26, 27, 28, 29, /* in8..in14 */ - -1, /* unused */ - 6, 7, 11, 10, 23, /* fan1..fan5 */ - -1, -1, -1, /* unused */ - 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ - 12, 9 }; /* intrusion0, intrusion1 */ - -static const s8 NCT6779_BEEP_BITS[] = { - 0, 1, 2, 3, 4, 5, 6, 7, /* in0.. in7 */ - 8, 9, 10, 11, 12, 13, 14, /* in8..in14 */ - 24, /* global beep enable */ - 25, 26, 27, 28, 29, /* fan1..fan5 */ - -1, -1, -1, /* unused */ - 16, 17, -1, -1, -1, -1, /* temp1..temp6 */ - 30, 31 }; /* intrusion0, intrusion1 */ - -static const u16 NCT6779_REG_FAN[] = { - 0x4c0, 0x4c2, 0x4c4, 0x4c6, 0x4c8, 0x4ca, 0x4ce }; -static const u16 NCT6779_REG_FAN_PULSES[NUM_FAN] = { - 0x644, 0x645, 0x646, 0x647, 0x648, 0x649, 0x64f }; - -static const u16 NCT6779_REG_CRITICAL_PWM_ENABLE[] = { - 0x136, 0x236, 0x336, 0x836, 0x936, 0xa36, 0xb36 }; -#define NCT6779_CRITICAL_PWM_ENABLE_MASK 0x01 -static const u16 NCT6779_REG_CRITICAL_PWM[] = { - 0x137, 0x237, 0x337, 0x837, 0x937, 0xa37, 0xb37 }; - -static const u16 NCT6779_REG_TEMP[] = { 0x27, 0x150 }; -static const u16 NCT6779_REG_TEMP_MON[] = { 0x73, 0x75, 0x77, 0x79, 0x7b }; -static const u16 NCT6779_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6779_REG_TEMP)] = { - 0x18, 0x152 }; -static const u16 NCT6779_REG_TEMP_HYST[ARRAY_SIZE(NCT6779_REG_TEMP)] = { - 0x3a, 0x153 }; -static const u16 NCT6779_REG_TEMP_OVER[ARRAY_SIZE(NCT6779_REG_TEMP)] = { - 0x39, 0x155 }; - -static const u16 NCT6779_REG_TEMP_OFFSET[] = { - 0x454, 0x455, 0x456, 0x44a, 0x44b, 0x44c }; - -static const char *const nct6779_temp_label[] = { - "", - "SYSTIN", - "CPUTIN", - "AUXTIN0", - "AUXTIN1", - "AUXTIN2", - "AUXTIN3", - "", - "SMBUSMASTER 0", - "SMBUSMASTER 1", - "SMBUSMASTER 2", - "SMBUSMASTER 3", - "SMBUSMASTER 4", - "SMBUSMASTER 5", - "SMBUSMASTER 6", - "SMBUSMASTER 7", - "PECI Agent 0", - "PECI Agent 1", - "PCH_CHIP_CPU_MAX_TEMP", - "PCH_CHIP_TEMP", - "PCH_CPU_TEMP", - "PCH_MCH_TEMP", - "PCH_DIM0_TEMP", - "PCH_DIM1_TEMP", - "PCH_DIM2_TEMP", - "PCH_DIM3_TEMP", - "BYTE_TEMP", - "", - "", - "", - "", - "Virtual_TEMP" -}; - -#define NCT6779_TEMP_MASK 0x07ffff7e -#define NCT6779_VIRT_TEMP_MASK 0x00000000 -#define NCT6791_TEMP_MASK 0x87ffff7e -#define NCT6791_VIRT_TEMP_MASK 0x80000000 - -static const u16 NCT6779_REG_TEMP_ALTERNATE[32] - = { 0x490, 0x491, 0x492, 0x493, 0x494, 0x495, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0x400, 0x401, 0x402, 0x404, 0x405, 0x406, 0x407, - 0x408, 0 }; - -static const u16 NCT6779_REG_TEMP_CRIT[32] = { - [15] = 0x709, - [16] = 0x70a, -}; - -/* NCT6791 specific data */ - -#define NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE 0x28 - -static const u16 NCT6791_REG_WEIGHT_TEMP_SEL[NUM_FAN] = { 0, 0x239 }; -static const u16 NCT6791_REG_WEIGHT_TEMP_STEP[NUM_FAN] = { 0, 0x23a }; -static const u16 NCT6791_REG_WEIGHT_TEMP_STEP_TOL[NUM_FAN] = { 0, 0x23b }; -static const u16 NCT6791_REG_WEIGHT_DUTY_STEP[NUM_FAN] = { 0, 0x23c }; -static const u16 NCT6791_REG_WEIGHT_TEMP_BASE[NUM_FAN] = { 0, 0x23d }; -static const u16 NCT6791_REG_WEIGHT_DUTY_BASE[NUM_FAN] = { 0, 0x23e }; - -static const u16 NCT6791_REG_ALARM[NUM_REG_ALARM] = { - 0x459, 0x45A, 0x45B, 0x568, 0x45D }; - -static const s8 NCT6791_ALARM_BITS[] = { - 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */ - 17, 24, 25, 26, 27, 28, 29, /* in8..in14 */ - -1, /* unused */ - 6, 7, 11, 10, 23, 33, /* fan1..fan6 */ - -1, -1, /* unused */ - 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ - 12, 9 }; /* intrusion0, intrusion1 */ - -/* NCT6792/NCT6793 specific data */ - -static const u16 NCT6792_REG_TEMP_MON[] = { - 0x73, 0x75, 0x77, 0x79, 0x7b, 0x7d }; -static const u16 NCT6792_REG_BEEP[NUM_REG_BEEP] = { - 0xb2, 0xb3, 0xb4, 0xb5, 0xbf }; - -static const char *const nct6792_temp_label[] = { - "", - "SYSTIN", - "CPUTIN", - "AUXTIN0", - "AUXTIN1", - "AUXTIN2", - "AUXTIN3", - "", - "SMBUSMASTER 0", - "SMBUSMASTER 1", - "SMBUSMASTER 2", - "SMBUSMASTER 3", - "SMBUSMASTER 4", - "SMBUSMASTER 5", - "SMBUSMASTER 6", - "SMBUSMASTER 7", - "PECI Agent 0", - "PECI Agent 1", - "PCH_CHIP_CPU_MAX_TEMP", - "PCH_CHIP_TEMP", - "PCH_CPU_TEMP", - "PCH_MCH_TEMP", - "PCH_DIM0_TEMP", - "PCH_DIM1_TEMP", - "PCH_DIM2_TEMP", - "PCH_DIM3_TEMP", - "BYTE_TEMP", - "PECI Agent 0 Calibration", - "PECI Agent 1 Calibration", - "", - "", - "Virtual_TEMP" -}; - -#define NCT6792_TEMP_MASK 0x9fffff7e -#define NCT6792_VIRT_TEMP_MASK 0x80000000 - -static const char *const nct6793_temp_label[] = { - "", - "SYSTIN", - "CPUTIN", - "AUXTIN0", - "AUXTIN1", - "AUXTIN2", - "AUXTIN3", - "", - "SMBUSMASTER 0", - "SMBUSMASTER 1", - "", - "", - "", - "", - "", - "", - "PECI Agent 0", - "PECI Agent 1", - "PCH_CHIP_CPU_MAX_TEMP", - "PCH_CHIP_TEMP", - "PCH_CPU_TEMP", - "PCH_MCH_TEMP", - "Agent0 Dimm0 ", - "Agent0 Dimm1", - "Agent1 Dimm0", - "Agent1 Dimm1", - "BYTE_TEMP0", - "BYTE_TEMP1", - "PECI Agent 0 Calibration", - "PECI Agent 1 Calibration", - "", - "Virtual_TEMP" -}; - -#define NCT6793_TEMP_MASK 0xbfff037e -#define NCT6793_VIRT_TEMP_MASK 0x80000000 - -static const char *const nct6795_temp_label[] = { - "", - "SYSTIN", - "CPUTIN", - "AUXTIN0", - "AUXTIN1", - "AUXTIN2", - "AUXTIN3", - "", - "SMBUSMASTER 0", - "SMBUSMASTER 1", - "SMBUSMASTER 2", - "SMBUSMASTER 3", - "SMBUSMASTER 4", - "SMBUSMASTER 5", - "SMBUSMASTER 6", - "SMBUSMASTER 7", - "PECI Agent 0", - "PECI Agent 1", - "PCH_CHIP_CPU_MAX_TEMP", - "PCH_CHIP_TEMP", - "PCH_CPU_TEMP", - "PCH_MCH_TEMP", - "Agent0 Dimm0", - "Agent0 Dimm1", - "Agent1 Dimm0", - "Agent1 Dimm1", - "BYTE_TEMP0", - "BYTE_TEMP1", - "PECI Agent 0 Calibration", - "PECI Agent 1 Calibration", - "", - "Virtual_TEMP" -}; - -#define NCT6795_TEMP_MASK 0xbfffff7e -#define NCT6795_VIRT_TEMP_MASK 0x80000000 - -static const char *const nct6796_temp_label[] = { - "", - "SYSTIN", - "CPUTIN", - "AUXTIN0", - "AUXTIN1", - "AUXTIN2", - "AUXTIN3", - "AUXTIN4", - "SMBUSMASTER 0", - "SMBUSMASTER 1", - "Virtual_TEMP", - "Virtual_TEMP", - "", - "", - "", - "", - "PECI Agent 0", - "PECI Agent 1", - "PCH_CHIP_CPU_MAX_TEMP", - "PCH_CHIP_TEMP", - "PCH_CPU_TEMP", - "PCH_MCH_TEMP", - "Agent0 Dimm0", - "Agent0 Dimm1", - "Agent1 Dimm0", - "Agent1 Dimm1", - "BYTE_TEMP0", - "BYTE_TEMP1", - "PECI Agent 0 Calibration", - "PECI Agent 1 Calibration", - "", - "Virtual_TEMP" -}; - -#define NCT6796_TEMP_MASK 0xbfff0ffe -#define NCT6796_VIRT_TEMP_MASK 0x80000c00 - -static const u16 NCT6796_REG_TSI_TEMP[] = { 0x409, 0x40b }; - -static const char *const nct6798_temp_label[] = { - "", - "SYSTIN", - "CPUTIN", - "AUXTIN0", - "AUXTIN1", - "AUXTIN2", - "AUXTIN3", - "AUXTIN4", - "SMBUSMASTER 0", - "SMBUSMASTER 1", - "Virtual_TEMP", - "Virtual_TEMP", - "", - "", - "", - "", - "PECI Agent 0", - "PECI Agent 1", - "PCH_CHIP_CPU_MAX_TEMP", - "PCH_CHIP_TEMP", - "PCH_CPU_TEMP", - "PCH_MCH_TEMP", - "Agent0 Dimm0", - "Agent0 Dimm1", - "Agent1 Dimm0", - "Agent1 Dimm1", - "BYTE_TEMP0", - "BYTE_TEMP1", - "PECI Agent 0 Calibration", /* undocumented */ - "PECI Agent 1 Calibration", /* undocumented */ - "", - "Virtual_TEMP" -}; - -#define NCT6798_TEMP_MASK 0xbfff0ffe -#define NCT6798_VIRT_TEMP_MASK 0x80000c00 - -/* NCT6102D/NCT6106D specific data */ - -#define NCT6106_REG_VBAT 0x318 -#define NCT6106_REG_DIODE 0x319 -#define NCT6106_DIODE_MASK 0x01 - -static const u16 NCT6106_REG_IN_MAX[] = { - 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9e, 0xa0, 0xa2 }; -static const u16 NCT6106_REG_IN_MIN[] = { - 0x91, 0x93, 0x95, 0x97, 0x99, 0x9b, 0x9f, 0xa1, 0xa3 }; -static const u16 NCT6106_REG_IN[] = { - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x07, 0x08, 0x09 }; - -static const u16 NCT6106_REG_TEMP[] = { 0x10, 0x11, 0x12, 0x13, 0x14, 0x15 }; -static const u16 NCT6106_REG_TEMP_MON[] = { 0x18, 0x19, 0x1a }; -static const u16 NCT6106_REG_TEMP_HYST[] = { - 0xc3, 0xc7, 0xcb, 0xcf, 0xd3, 0xd7 }; -static const u16 NCT6106_REG_TEMP_OVER[] = { - 0xc2, 0xc6, 0xca, 0xce, 0xd2, 0xd6 }; -static const u16 NCT6106_REG_TEMP_CRIT_L[] = { - 0xc0, 0xc4, 0xc8, 0xcc, 0xd0, 0xd4 }; -static const u16 NCT6106_REG_TEMP_CRIT_H[] = { - 0xc1, 0xc5, 0xc9, 0xcf, 0xd1, 0xd5 }; -static const u16 NCT6106_REG_TEMP_OFFSET[] = { 0x311, 0x312, 0x313 }; -static const u16 NCT6106_REG_TEMP_CONFIG[] = { - 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc }; - -static const u16 NCT6106_REG_FAN[] = { 0x20, 0x22, 0x24 }; -static const u16 NCT6106_REG_FAN_MIN[] = { 0xe0, 0xe2, 0xe4 }; -static const u16 NCT6106_REG_FAN_PULSES[] = { 0xf6, 0xf6, 0xf6 }; -static const u16 NCT6106_FAN_PULSE_SHIFT[] = { 0, 2, 4 }; - -static const u8 NCT6106_REG_PWM_MODE[] = { 0xf3, 0xf3, 0xf3 }; -static const u8 NCT6106_PWM_MODE_MASK[] = { 0x01, 0x02, 0x04 }; -static const u16 NCT6106_REG_PWM_READ[] = { 0x4a, 0x4b, 0x4c }; -static const u16 NCT6106_REG_FAN_MODE[] = { 0x113, 0x123, 0x133 }; -static const u16 NCT6106_REG_TEMP_SOURCE[] = { - 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5 }; - -static const u16 NCT6106_REG_CRITICAL_TEMP[] = { 0x11a, 0x12a, 0x13a }; -static const u16 NCT6106_REG_CRITICAL_TEMP_TOLERANCE[] = { - 0x11b, 0x12b, 0x13b }; - -static const u16 NCT6106_REG_CRITICAL_PWM_ENABLE[] = { 0x11c, 0x12c, 0x13c }; -#define NCT6106_CRITICAL_PWM_ENABLE_MASK 0x10 -static const u16 NCT6106_REG_CRITICAL_PWM[] = { 0x11d, 0x12d, 0x13d }; - -static const u16 NCT6106_REG_FAN_STEP_UP_TIME[] = { 0x114, 0x124, 0x134 }; -static const u16 NCT6106_REG_FAN_STEP_DOWN_TIME[] = { 0x115, 0x125, 0x135 }; -static const u16 NCT6106_REG_FAN_STOP_OUTPUT[] = { 0x116, 0x126, 0x136 }; -static const u16 NCT6106_REG_FAN_START_OUTPUT[] = { 0x117, 0x127, 0x137 }; -static const u16 NCT6106_REG_FAN_STOP_TIME[] = { 0x118, 0x128, 0x138 }; -static const u16 NCT6106_REG_TOLERANCE_H[] = { 0x112, 0x122, 0x132 }; - -static const u16 NCT6106_REG_TARGET[] = { 0x111, 0x121, 0x131 }; - -static const u16 NCT6106_REG_WEIGHT_TEMP_SEL[] = { 0x168, 0x178, 0x188 }; -static const u16 NCT6106_REG_WEIGHT_TEMP_STEP[] = { 0x169, 0x179, 0x189 }; -static const u16 NCT6106_REG_WEIGHT_TEMP_STEP_TOL[] = { 0x16a, 0x17a, 0x18a }; -static const u16 NCT6106_REG_WEIGHT_DUTY_STEP[] = { 0x16b, 0x17b, 0x18b }; -static const u16 NCT6106_REG_WEIGHT_TEMP_BASE[] = { 0x16c, 0x17c, 0x18c }; -static const u16 NCT6106_REG_WEIGHT_DUTY_BASE[] = { 0x16d, 0x17d, 0x18d }; - -static const u16 NCT6106_REG_AUTO_TEMP[] = { 0x160, 0x170, 0x180 }; -static const u16 NCT6106_REG_AUTO_PWM[] = { 0x164, 0x174, 0x184 }; - -static const u16 NCT6106_REG_ALARM[NUM_REG_ALARM] = { - 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d }; - -static const s8 NCT6106_ALARM_BITS[] = { - 0, 1, 2, 3, 4, 5, 7, 8, /* in0.. in7 */ - 9, -1, -1, -1, -1, -1, -1, /* in8..in14 */ - -1, /* unused */ - 32, 33, 34, -1, -1, /* fan1..fan5 */ - -1, -1, -1, /* unused */ - 16, 17, 18, 19, 20, 21, /* temp1..temp6 */ - 48, -1 /* intrusion0, intrusion1 */ -}; - -static const u16 NCT6106_REG_BEEP[NUM_REG_BEEP] = { - 0x3c0, 0x3c1, 0x3c2, 0x3c3, 0x3c4 }; - -static const s8 NCT6106_BEEP_BITS[] = { - 0, 1, 2, 3, 4, 5, 7, 8, /* in0.. in7 */ - 9, 10, 11, 12, -1, -1, -1, /* in8..in14 */ - 32, /* global beep enable */ - 24, 25, 26, 27, 28, /* fan1..fan5 */ - -1, -1, -1, /* unused */ - 16, 17, 18, 19, 20, 21, /* temp1..temp6 */ - 34, -1 /* intrusion0, intrusion1 */ -}; - -static const u16 NCT6106_REG_TEMP_ALTERNATE[32] = { - [14] = 0x51, - [15] = 0x52, - [16] = 0x54, -}; - -static const u16 NCT6106_REG_TEMP_CRIT[32] = { - [11] = 0x204, - [12] = 0x205, -}; - -static const u16 NCT6106_REG_TSI_TEMP[] = { 0x59, 0x5b, 0x5d, 0x5f, 0x61, 0x63, 0x65, 0x67 }; - -/* NCT6112D/NCT6114D/NCT6116D specific data */ - -static const u16 NCT6116_REG_FAN[] = { 0x20, 0x22, 0x24, 0x26, 0x28 }; -static const u16 NCT6116_REG_FAN_MIN[] = { 0xe0, 0xe2, 0xe4, 0xe6, 0xe8 }; -static const u16 NCT6116_REG_FAN_PULSES[] = { 0xf6, 0xf6, 0xf6, 0xf6, 0xf5 }; -static const u16 NCT6116_FAN_PULSE_SHIFT[] = { 0, 2, 4, 6, 6 }; - -static const u16 NCT6116_REG_PWM[] = { 0x119, 0x129, 0x139, 0x199, 0x1a9 }; -static const u16 NCT6116_REG_FAN_MODE[] = { 0x113, 0x123, 0x133, 0x193, 0x1a3 }; -static const u16 NCT6116_REG_TEMP_SEL[] = { 0x110, 0x120, 0x130, 0x190, 0x1a0 }; -static const u16 NCT6116_REG_TEMP_SOURCE[] = { - 0xb0, 0xb1, 0xb2 }; - -static const u16 NCT6116_REG_CRITICAL_TEMP[] = { - 0x11a, 0x12a, 0x13a, 0x19a, 0x1aa }; -static const u16 NCT6116_REG_CRITICAL_TEMP_TOLERANCE[] = { - 0x11b, 0x12b, 0x13b, 0x19b, 0x1ab }; - -static const u16 NCT6116_REG_CRITICAL_PWM_ENABLE[] = { - 0x11c, 0x12c, 0x13c, 0x19c, 0x1ac }; -static const u16 NCT6116_REG_CRITICAL_PWM[] = { - 0x11d, 0x12d, 0x13d, 0x19d, 0x1ad }; - -static const u16 NCT6116_REG_FAN_STEP_UP_TIME[] = { - 0x114, 0x124, 0x134, 0x194, 0x1a4 }; -static const u16 NCT6116_REG_FAN_STEP_DOWN_TIME[] = { - 0x115, 0x125, 0x135, 0x195, 0x1a5 }; -static const u16 NCT6116_REG_FAN_STOP_OUTPUT[] = { - 0x116, 0x126, 0x136, 0x196, 0x1a6 }; -static const u16 NCT6116_REG_FAN_START_OUTPUT[] = { - 0x117, 0x127, 0x137, 0x197, 0x1a7 }; -static const u16 NCT6116_REG_FAN_STOP_TIME[] = { - 0x118, 0x128, 0x138, 0x198, 0x1a8 }; -static const u16 NCT6116_REG_TOLERANCE_H[] = { - 0x112, 0x122, 0x132, 0x192, 0x1a2 }; - -static const u16 NCT6116_REG_TARGET[] = { - 0x111, 0x121, 0x131, 0x191, 0x1a1 }; - -static const u16 NCT6116_REG_AUTO_TEMP[] = { - 0x160, 0x170, 0x180, 0x1d0, 0x1e0 }; -static const u16 NCT6116_REG_AUTO_PWM[] = { - 0x164, 0x174, 0x184, 0x1d4, 0x1e4 }; - -static const s8 NCT6116_ALARM_BITS[] = { - 0, 1, 2, 3, 4, 5, 7, 8, /* in0.. in7 */ - 9, -1, -1, -1, -1, -1, -1, /* in8..in9 */ - -1, /* unused */ - 32, 33, 34, 35, 36, /* fan1..fan5 */ - -1, -1, -1, /* unused */ - 16, 17, 18, -1, -1, -1, /* temp1..temp6 */ - 48, -1 /* intrusion0, intrusion1 */ -}; - -static const s8 NCT6116_BEEP_BITS[] = { - 0, 1, 2, 3, 4, 5, 7, 8, /* in0.. in7 */ - 9, 10, 11, 12, -1, -1, -1, /* in8..in14 */ - 32, /* global beep enable */ - 24, 25, 26, 27, 28, /* fan1..fan5 */ - -1, -1, -1, /* unused */ - 16, 17, 18, -1, -1, -1, /* temp1..temp6 */ - 34, -1 /* intrusion0, intrusion1 */ -}; - -static const u16 NCT6116_REG_TSI_TEMP[] = { 0x59, 0x5b }; - -static enum pwm_enable reg_to_pwm_enable(int pwm, int mode) -{ - if (mode == 0 && pwm == 255) - return off; - return mode + 1; -} - -static int pwm_enable_to_reg(enum pwm_enable mode) -{ - if (mode == off) - return 0; - return mode - 1; -} - -/* - * Conversions - */ - -/* 1 is DC mode, output in ms */ -static unsigned int step_time_from_reg(u8 reg, u8 mode) -{ - return mode ? 400 * reg : 100 * reg; -} - -static u8 step_time_to_reg(unsigned int msec, u8 mode) -{ - return clamp_val((mode ? (msec + 200) / 400 : - (msec + 50) / 100), 1, 255); -} - -static unsigned int fan_from_reg8(u16 reg, unsigned int divreg) -{ - if (reg == 0 || reg == 255) - return 0; - return 1350000U / (reg << divreg); -} - -static unsigned int fan_from_reg13(u16 reg, unsigned int divreg) -{ - if ((reg & 0xff1f) == 0xff1f) - return 0; - - reg = (reg & 0x1f) | ((reg & 0xff00) >> 3); - - if (reg == 0) - return 0; - - return 1350000U / reg; -} - -static unsigned int fan_from_reg16(u16 reg, unsigned int divreg) -{ - if (reg == 0 || reg == 0xffff) - return 0; - - /* - * Even though the registers are 16 bit wide, the fan divisor - * still applies. - */ - return 1350000U / (reg << divreg); -} - -static unsigned int fan_from_reg_rpm(u16 reg, unsigned int divreg) -{ - return reg; -} - -static u16 fan_to_reg(u32 fan, unsigned int divreg) -{ - if (!fan) - return 0; - - return (1350000U / fan) >> divreg; -} - -static inline unsigned int -div_from_reg(u8 reg) -{ - return BIT(reg); -} - -/* - * Some of the voltage inputs have internal scaling, the tables below - * contain 8 (the ADC LSB in mV) * scaling factor * 100 - */ -static const u16 scale_in[15] = { - 800, 800, 1600, 1600, 800, 800, 800, 1600, 1600, 800, 800, 800, 800, - 800, 800 -}; - -static inline long in_from_reg(u8 reg, u8 nr) -{ - return DIV_ROUND_CLOSEST(reg * scale_in[nr], 100); -} - -static inline u8 in_to_reg(u32 val, u8 nr) -{ - return clamp_val(DIV_ROUND_CLOSEST(val * 100, scale_in[nr]), 0, 255); -} - -/* TSI temperatures are in 8.3 format */ -static inline unsigned int tsi_temp_from_reg(unsigned int reg) -{ - return (reg >> 5) * 125; -} - -/* - * Data structures and manipulation thereof - */ - -struct nct6775_data { - int addr; /* IO base of hw monitor block */ - struct nct6775_sio_data *sio_data; - enum kinds kind; - const char *name; - - const struct attribute_group *groups[7]; - u8 num_groups; - - u16 reg_temp[5][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst, - * 3=temp_crit, 4=temp_lcrit - */ - u8 temp_src[NUM_TEMP]; - u16 reg_temp_config[NUM_TEMP]; - const char * const *temp_label; - u32 temp_mask; - u32 virt_temp_mask; - - u16 REG_CONFIG; - u16 REG_VBAT; - u16 REG_DIODE; - u8 DIODE_MASK; - - const s8 *ALARM_BITS; - const s8 *BEEP_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 *FAN_PULSE_SHIFT; - 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_CRITICAL_PWM_ENABLE; - u8 CRITICAL_PWM_ENABLE_MASK; - const u16 *REG_CRITICAL_PWM; - - 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; - const u16 *REG_BEEP; - - const u16 *REG_TSI_TEMP; - - 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[NUM_FAN]; - u16 fan_min[NUM_FAN]; - u8 fan_pulses[NUM_FAN]; - u8 fan_div[NUM_FAN]; - 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 num_temp_alarms; /* 2, 3, or 6 */ - u8 num_temp_beeps; /* 2, 3, or 6 */ - u8 temp_fixed_num; /* 3 or 6 */ - u8 temp_type[NUM_TEMP_FIXED]; - s8 temp_offset[NUM_TEMP_FIXED]; - s16 temp[5][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst, - * 3=temp_crit, 4=temp_lcrit */ - s16 tsi_temp[NUM_TSI_TEMP]; - u64 alarms; - u64 beeps; - - u8 pwm_num; /* number of pwm */ - u8 pwm_mode[NUM_FAN]; /* 0->DC variable voltage, - * 1->PWM variable duty cycle - */ - enum pwm_enable pwm_enable[NUM_FAN]; - /* 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][NUM_FAN]; /* [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[NUM_FAN]; - u8 target_temp_mask; - u32 target_speed[NUM_FAN]; - u32 target_speed_tolerance[NUM_FAN]; - u8 speed_tolerance_limit; - - u8 temp_tolerance[2][NUM_FAN]; - u8 tolerance_mask; - - u8 fan_time[3][NUM_FAN]; /* 0 = stop_time, 1 = step_up, 2 = step_down */ - - /* Automatic fan speed control registers */ - int auto_pwm_num; - u8 auto_pwm[NUM_FAN][7]; - u8 auto_temp[NUM_FAN][7]; - u8 pwm_temp_sel[NUM_FAN]; - u8 pwm_weight_temp_sel[NUM_FAN]; - u8 weight_temp[3][NUM_FAN]; /* 0->temp_step, 1->temp_step_tol, - * 2->temp_base - */ - - u8 vid; - u8 vrm; - - bool have_vid; - - u16 have_temp; - u16 have_temp_fixed; - u16 have_tsi_temp; - u16 have_in; - - /* Remember extra register values over suspend/resume */ - u8 vbat; - u8 fandiv1; - u8 fandiv2; - u8 sio_reg_enable; - - struct regmap *regmap; - bool read_only; -}; - -struct sensor_device_template { - struct device_attribute dev_attr; - union { - struct { - u8 nr; - u8 index; - } s; - int index; - } u; - bool s2; /* true if both index and nr are used */ -}; - -struct sensor_device_attr_u { - union { - struct sensor_device_attribute a1; - struct sensor_device_attribute_2 a2; - } u; - char name[32]; -}; - -#define __TEMPLATE_ATTR(_template, _mode, _show, _store) { \ - .attr = {.name = _template, .mode = _mode }, \ - .show = _show, \ - .store = _store, \ -} - -#define SENSOR_DEVICE_TEMPLATE(_template, _mode, _show, _store, _index) \ - { .dev_attr = __TEMPLATE_ATTR(_template, _mode, _show, _store), \ - .u.index = _index, \ - .s2 = false } - -#define SENSOR_DEVICE_TEMPLATE_2(_template, _mode, _show, _store, \ - _nr, _index) \ - { .dev_attr = __TEMPLATE_ATTR(_template, _mode, _show, _store), \ - .u.s.index = _index, \ - .u.s.nr = _nr, \ - .s2 = true } - -#define SENSOR_TEMPLATE(_name, _template, _mode, _show, _store, _index) \ -static struct sensor_device_template sensor_dev_template_##_name \ - = SENSOR_DEVICE_TEMPLATE(_template, _mode, _show, _store, \ - _index) - -#define SENSOR_TEMPLATE_2(_name, _template, _mode, _show, _store, \ - _nr, _index) \ -static struct sensor_device_template sensor_dev_template_##_name \ - = SENSOR_DEVICE_TEMPLATE_2(_template, _mode, _show, _store, \ - _nr, _index) - -struct sensor_template_group { - struct sensor_device_template **templates; - umode_t (*is_visible)(struct kobject *, struct attribute *, int); - int base; -}; - -static inline umode_t nct6775_attr_mode(struct nct6775_data *data, struct attribute *attr) -{ - return data->read_only ? (attr->mode & ~0222) : attr->mode; -} - -static int nct6775_add_attr_group(struct nct6775_data *data, const struct attribute_group *group) -{ - /* Need to leave a NULL terminator at the end of data->groups */ - if (data->num_groups == ARRAY_SIZE(data->groups) - 1) - return -ENOBUFS; - - data->groups[data->num_groups++] = group; - return 0; -} - -static int nct6775_add_template_attr_group(struct device *dev, struct nct6775_data *data, - const struct sensor_template_group *tg, int repeat) -{ - struct attribute_group *group; - struct sensor_device_attr_u *su; - struct sensor_device_attribute *a; - struct sensor_device_attribute_2 *a2; - struct attribute **attrs; - struct sensor_device_template **t; - int i, count; - - if (repeat <= 0) - return -EINVAL; - - t = tg->templates; - for (count = 0; *t; t++, count++) - ; - - if (count == 0) - return -EINVAL; - - group = devm_kzalloc(dev, sizeof(*group), GFP_KERNEL); - if (group == NULL) - return -ENOMEM; - - attrs = devm_kcalloc(dev, repeat * count + 1, sizeof(*attrs), - GFP_KERNEL); - if (attrs == NULL) - return -ENOMEM; - - su = devm_kzalloc(dev, array3_size(repeat, count, sizeof(*su)), - GFP_KERNEL); - if (su == NULL) - return -ENOMEM; - - group->attrs = attrs; - group->is_visible = tg->is_visible; - - for (i = 0; i < repeat; i++) { - t = tg->templates; - while (*t != NULL) { - snprintf(su->name, sizeof(su->name), - (*t)->dev_attr.attr.name, tg->base + i); - if ((*t)->s2) { - a2 = &su->u.a2; - sysfs_attr_init(&a2->dev_attr.attr); - a2->dev_attr.attr.name = su->name; - a2->nr = (*t)->u.s.nr + i; - a2->index = (*t)->u.s.index; - a2->dev_attr.attr.mode = - (*t)->dev_attr.attr.mode; - a2->dev_attr.show = (*t)->dev_attr.show; - a2->dev_attr.store = (*t)->dev_attr.store; - *attrs = &a2->dev_attr.attr; - } else { - a = &su->u.a1; - sysfs_attr_init(&a->dev_attr.attr); - a->dev_attr.attr.name = su->name; - a->index = (*t)->u.index + i; - a->dev_attr.attr.mode = - (*t)->dev_attr.attr.mode; - a->dev_attr.show = (*t)->dev_attr.show; - a->dev_attr.store = (*t)->dev_attr.store; - *attrs = &a->dev_attr.attr; - } - attrs++; - su++; - t++; - } - } - - return nct6775_add_attr_group(data, group); -} - -static bool is_word_sized(struct nct6775_data *data, u16 reg) -{ - switch (data->kind) { - case nct6106: - return reg == 0x20 || reg == 0x22 || reg == 0x24 || - (reg >= 0x59 && reg < 0x69 && (reg & 1)) || - reg == 0xe0 || reg == 0xe2 || reg == 0xe4 || - reg == 0x111 || reg == 0x121 || reg == 0x131; - case nct6116: - return reg == 0x20 || reg == 0x22 || reg == 0x24 || - reg == 0x26 || reg == 0x28 || reg == 0x59 || reg == 0x5b || - reg == 0xe0 || reg == 0xe2 || reg == 0xe4 || reg == 0xe6 || - reg == 0xe8 || reg == 0x111 || reg == 0x121 || reg == 0x131 || - reg == 0x191 || reg == 0x1a1; - case nct6775: - return (((reg & 0xff00) == 0x100 || - (reg & 0xff00) == 0x200) && - ((reg & 0x00ff) == 0x50 || - (reg & 0x00ff) == 0x53 || - (reg & 0x00ff) == 0x55)) || - (reg & 0xfff0) == 0x630 || - reg == 0x640 || reg == 0x642 || - reg == 0x662 || reg == 0x669 || - ((reg & 0xfff0) == 0x650 && (reg & 0x000f) >= 0x06) || - reg == 0x73 || reg == 0x75 || reg == 0x77; - case nct6776: - return (((reg & 0xff00) == 0x100 || - (reg & 0xff00) == 0x200) && - ((reg & 0x00ff) == 0x50 || - (reg & 0x00ff) == 0x53 || - (reg & 0x00ff) == 0x55)) || - (reg & 0xfff0) == 0x630 || - reg == 0x402 || - (reg >= 0x409 && reg < 0x419 && (reg & 1)) || - reg == 0x640 || reg == 0x642 || - ((reg & 0xfff0) == 0x650 && (reg & 0x000f) >= 0x06) || - reg == 0x73 || reg == 0x75 || reg == 0x77; - case nct6779: - case nct6791: - case nct6792: - case nct6793: - case nct6795: - case nct6796: - case nct6797: - case nct6798: - return reg == 0x150 || reg == 0x153 || reg == 0x155 || - (reg & 0xfff0) == 0x4c0 || - reg == 0x402 || - (reg >= 0x409 && reg < 0x419 && (reg & 1)) || - reg == 0x63a || reg == 0x63c || reg == 0x63e || - reg == 0x640 || reg == 0x642 || reg == 0x64a || - reg == 0x64c || - reg == 0x73 || reg == 0x75 || reg == 0x77 || reg == 0x79 || - reg == 0x7b || reg == 0x7d; - } - return false; -} - -static inline void nct6775_wmi_set_bank(struct nct6775_data *data, u16 reg) -{ - u8 bank = reg >> 8; - - data->bank = bank; -} - -static int nct6775_wmi_reg_read(void *ctx, unsigned int reg, unsigned int *val) -{ - struct nct6775_data *data = ctx; - int err, word_sized = is_word_sized(data, reg); - u8 tmp = 0; - u16 res; - - nct6775_wmi_set_bank(data, reg); - - err = nct6775_asuswmi_read(data->bank, reg & 0xff, &tmp); - if (err) - return err; - - res = tmp; - if (word_sized) { - err = nct6775_asuswmi_read(data->bank, (reg & 0xff) + 1, &tmp); - if (err) - return err; - - res = (res << 8) + tmp; - } - *val = res; - return 0; -} - -static inline int nct6775_read_value(struct nct6775_data *data, u16 reg, u16 *value) -{ - unsigned int tmp; - int ret = regmap_read(data->regmap, reg, &tmp); - - if (!ret) - *value = tmp; - return ret; -} - -static int nct6775_wmi_reg_write(void *ctx, unsigned int reg, unsigned int value) -{ - struct nct6775_data *data = ctx; - int res, word_sized = is_word_sized(data, reg); - - nct6775_wmi_set_bank(data, reg); - - if (word_sized) { - res = nct6775_asuswmi_write(data->bank, reg & 0xff, value >> 8); - if (res) - return res; - - res = nct6775_asuswmi_write(data->bank, (reg & 0xff) + 1, value); - } else { - res = nct6775_asuswmi_write(data->bank, reg & 0xff, value); - } - - return res; -} - -static inline int nct6775_write_value(struct nct6775_data *data, u16 reg, u16 value) -{ - return regmap_write(data->regmap, reg, value); -} - -/* - * 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 int nct6775_reg_read(void *ctx, unsigned int reg, unsigned int *val) -{ - struct nct6775_data *data = ctx; - int word_sized = is_word_sized(data, reg); - - nct6775_set_bank(data, reg); - outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET); - *val = inb_p(data->addr + DATA_REG_OFFSET); - if (word_sized) { - outb_p((reg & 0xff) + 1, - data->addr + ADDR_REG_OFFSET); - *val = (*val << 8) + inb_p(data->addr + DATA_REG_OFFSET); - } - return 0; -} - -static int nct6775_reg_write(void *ctx, unsigned int reg, unsigned int value) -{ - struct nct6775_data *data = ctx; - 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 int nct6775_read_temp(struct nct6775_data *data, u16 reg, u16 *val) -{ - int err; - - err = nct6775_read_value(data, reg, val); - if (err) - return err; - - if (!is_word_sized(data, reg)) - *val <<= 8; - - return 0; -} - -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 int nct6775_write_fan_div(struct nct6775_data *data, int nr) -{ - u16 reg; - int err; - u16 fandiv_reg = nr < 2 ? NCT6775_REG_FANDIV1 : NCT6775_REG_FANDIV2; - unsigned int oddshift = (nr & 1) * 4; /* masks shift by four if nr is odd */ - - err = nct6775_read_value(data, fandiv_reg, ®); - if (err) - return err; - reg &= 0x70 >> oddshift; - reg |= data->fan_div[nr] & (0x7 << oddshift); - return nct6775_write_value(data, fandiv_reg, reg); -} - -static int nct6775_write_fan_div_common(struct nct6775_data *data, int nr) -{ - if (data->kind == nct6775) - return nct6775_write_fan_div(data, nr); - return 0; -} - -static int nct6775_update_fan_div(struct nct6775_data *data) -{ - int err; - u16 i; - - err = nct6775_read_value(data, NCT6775_REG_FANDIV1, &i); - if (err) - return err; - data->fan_div[0] = i & 0x7; - data->fan_div[1] = (i & 0x70) >> 4; - err = nct6775_read_value(data, NCT6775_REG_FANDIV2, &i); - if (err) - return err; - data->fan_div[2] = i & 0x7; - if (data->has_fan & BIT(3)) - data->fan_div[3] = (i & 0x70) >> 4; - - return 0; -} - -static int nct6775_update_fan_div_common(struct nct6775_data *data) -{ - if (data->kind == nct6775) - return nct6775_update_fan_div(data); - return 0; -} - -static int nct6775_init_fan_div(struct nct6775_data *data) -{ - int i, err; - - err = nct6775_update_fan_div_common(data); - if (err) - return err; - - /* - * For all fans, start with highest divider value if the divider - * register is not initialized. This ensures that we get a - * reading from the fan count register, even if it is not optimal. - * We'll compute a better divider later on. - */ - for (i = 0; i < ARRAY_SIZE(data->fan_div); i++) { - if (!(data->has_fan & BIT(i))) - continue; - if (data->fan_div[i] == 0) { - data->fan_div[i] = 7; - err = nct6775_write_fan_div_common(data, i); - if (err) - return err; - } - } - - return 0; -} - -static int nct6775_init_fan_common(struct device *dev, - struct nct6775_data *data) -{ - int i, err; - u16 reg; - - if (data->has_fan_div) { - err = nct6775_init_fan_div(data); - if (err) - return err; - } - - /* - * If fan_min is not set (0), set it to 0xff to disable it. This - * prevents the unnecessary warning when fanX_min is reported as 0. - */ - for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) { - if (data->has_fan_min & BIT(i)) { - err = nct6775_read_value(data, data->REG_FAN_MIN[i], ®); - if (err) - return err; - if (!reg) { - err = nct6775_write_value(data, data->REG_FAN_MIN[i], - data->has_fan_div ? 0xff : 0xff1f); - if (err) - return err; - } - } - } - - return 0; -} - -static int nct6775_select_fan_div(struct device *dev, - struct nct6775_data *data, int nr, u16 reg) -{ - int err; - u8 fan_div = data->fan_div[nr]; - u16 fan_min; - - if (!data->has_fan_div) - return 0; - - /* - * If we failed to measure the fan speed, or the reported value is not - * in the optimal range, and the clock divider can be modified, - * let's try that for next time. - */ - if (reg == 0x00 && fan_div < 0x07) - fan_div++; - else if (reg != 0x00 && reg < 0x30 && fan_div > 0) - fan_div--; - - if (fan_div != data->fan_div[nr]) { - dev_dbg(dev, "Modifying fan%d clock divider from %u to %u\n", - nr + 1, div_from_reg(data->fan_div[nr]), - div_from_reg(fan_div)); - - /* Preserve min limit if possible */ - if (data->has_fan_min & BIT(nr)) { - fan_min = data->fan_min[nr]; - if (fan_div > data->fan_div[nr]) { - if (fan_min != 255 && fan_min > 1) - fan_min >>= 1; - } else { - if (fan_min != 255) { - fan_min <<= 1; - if (fan_min > 254) - fan_min = 254; - } - } - if (fan_min != data->fan_min[nr]) { - data->fan_min[nr] = fan_min; - err = nct6775_write_value(data, data->REG_FAN_MIN[nr], fan_min); - if (err) - return err; - } - } - data->fan_div[nr] = fan_div; - err = nct6775_write_fan_div_common(data, nr); - if (err) - return err; - } - - return 0; -} - -static int nct6775_update_pwm(struct device *dev) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - int i, j, err; - u16 fanmodecfg, reg; - bool duty_is_dc; - - for (i = 0; i < data->pwm_num; i++) { - if (!(data->has_pwm & BIT(i))) - continue; - - err = nct6775_read_value(data, data->REG_PWM_MODE[i], ®); - if (err) - return err; - duty_is_dc = data->REG_PWM_MODE[i] && (reg & data->PWM_MODE_MASK[i]); - data->pwm_mode[i] = !duty_is_dc; - - err = nct6775_read_value(data, data->REG_FAN_MODE[i], &fanmodecfg); - if (err) - return err; - for (j = 0; j < ARRAY_SIZE(data->REG_PWM); j++) { - if (data->REG_PWM[j] && data->REG_PWM[j][i]) { - err = nct6775_read_value(data, data->REG_PWM[j][i], ®); - if (err) - return err; - data->pwm[j][i] = reg; - } - } - - data->pwm_enable[i] = reg_to_pwm_enable(data->pwm[0][i], - (fanmodecfg >> 4) & 7); - - if (!data->temp_tolerance[0][i] || - data->pwm_enable[i] != speed_cruise) - data->temp_tolerance[0][i] = fanmodecfg & 0x0f; - if (!data->target_speed_tolerance[i] || - data->pwm_enable[i] == speed_cruise) { - u8 t = fanmodecfg & 0x0f; - - if (data->REG_TOLERANCE_H) { - err = nct6775_read_value(data, data->REG_TOLERANCE_H[i], ®); - if (err) - return err; - t |= (reg & 0x70) >> 1; - } - data->target_speed_tolerance[i] = t; - } - - err = nct6775_read_value(data, data->REG_CRITICAL_TEMP_TOLERANCE[i], ®); - if (err) - return err; - data->temp_tolerance[1][i] = reg; - - err = nct6775_read_value(data, data->REG_TEMP_SEL[i], ®); - if (err) - return err; - data->pwm_temp_sel[i] = reg & 0x1f; - /* If fan can stop, report floor as 0 */ - if (reg & 0x80) - data->pwm[2][i] = 0; - - if (!data->REG_WEIGHT_TEMP_SEL[i]) - continue; - - err = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[i], ®); - if (err) - return err; - data->pwm_weight_temp_sel[i] = reg & 0x1f; - /* If weight is disabled, report weight source as 0 */ - if (!(reg & 0x80)) - data->pwm_weight_temp_sel[i] = 0; - - /* Weight temp data */ - for (j = 0; j < ARRAY_SIZE(data->weight_temp); j++) { - err = nct6775_read_value(data, data->REG_WEIGHT_TEMP[j][i], ®); - if (err) - return err; - data->weight_temp[j][i] = reg; - } - } - - return 0; -} - -static int nct6775_update_pwm_limits(struct device *dev) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - int i, j, err; - u16 reg, reg_t; - - for (i = 0; i < data->pwm_num; i++) { - if (!(data->has_pwm & BIT(i))) - continue; - - for (j = 0; j < ARRAY_SIZE(data->fan_time); j++) { - err = nct6775_read_value(data, data->REG_FAN_TIME[j][i], ®); - if (err) - return err; - data->fan_time[j][i] = reg; - } - - err = nct6775_read_value(data, data->REG_TARGET[i], ®_t); - if (err) - return err; - - /* Update only in matching mode or if never updated */ - if (!data->target_temp[i] || - data->pwm_enable[i] == thermal_cruise) - data->target_temp[i] = reg_t & data->target_temp_mask; - if (!data->target_speed[i] || - data->pwm_enable[i] == speed_cruise) { - if (data->REG_TOLERANCE_H) { - err = nct6775_read_value(data, data->REG_TOLERANCE_H[i], ®); - if (err) - return err; - reg_t |= (reg & 0x0f) << 8; - } - data->target_speed[i] = reg_t; - } - - for (j = 0; j < data->auto_pwm_num; j++) { - err = nct6775_read_value(data, NCT6775_AUTO_PWM(data, i, j), ®); - if (err) - return err; - data->auto_pwm[i][j] = reg; - - err = nct6775_read_value(data, NCT6775_AUTO_TEMP(data, i, j), ®); - if (err) - return err; - data->auto_temp[i][j] = reg; - } - - /* critical auto_pwm temperature data */ - err = nct6775_read_value(data, data->REG_CRITICAL_TEMP[i], ®); - if (err) - return err; - data->auto_temp[i][data->auto_pwm_num] = reg; - - switch (data->kind) { - case nct6775: - err = nct6775_read_value(data, NCT6775_REG_CRITICAL_ENAB[i], ®); - if (err) - return err; - data->auto_pwm[i][data->auto_pwm_num] = - (reg & 0x02) ? 0xff : 0x00; - break; - case nct6776: - data->auto_pwm[i][data->auto_pwm_num] = 0xff; - break; - case nct6106: - case nct6116: - case nct6779: - case nct6791: - case nct6792: - case nct6793: - case nct6795: - case nct6796: - case nct6797: - case nct6798: - err = nct6775_read_value(data, data->REG_CRITICAL_PWM_ENABLE[i], ®); - if (err) - return err; - if (reg & data->CRITICAL_PWM_ENABLE_MASK) { - err = nct6775_read_value(data, data->REG_CRITICAL_PWM[i], ®); - if (err) - return err; - } else { - reg = 0xff; - } - data->auto_pwm[i][data->auto_pwm_num] = reg; - break; - } - } - - return 0; -} - -static struct nct6775_data *nct6775_update_device(struct device *dev) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - int i, j, err = 0; - u16 reg; - - mutex_lock(&data->update_lock); - - if (time_after(jiffies, data->last_updated + HZ + HZ / 2) - || !data->valid) { - /* Fan clock dividers */ - err = nct6775_update_fan_div_common(data); - if (err) - goto out; - - /* Measured voltages and limits */ - for (i = 0; i < data->in_num; i++) { - if (!(data->have_in & BIT(i))) - continue; - - err = nct6775_read_value(data, data->REG_VIN[i], ®); - if (err) - goto out; - data->in[i][0] = reg; - - err = nct6775_read_value(data, data->REG_IN_MINMAX[0][i], ®); - if (err) - goto out; - data->in[i][1] = reg; - - err = nct6775_read_value(data, data->REG_IN_MINMAX[1][i], ®); - if (err) - goto out; - data->in[i][2] = reg; - } - - /* Measured fan speeds and limits */ - for (i = 0; i < ARRAY_SIZE(data->rpm); i++) { - if (!(data->has_fan & BIT(i))) - continue; - - err = nct6775_read_value(data, data->REG_FAN[i], ®); - if (err) - goto out; - data->rpm[i] = data->fan_from_reg(reg, - data->fan_div[i]); - - if (data->has_fan_min & BIT(i)) { - err = nct6775_read_value(data, data->REG_FAN_MIN[i], ®); - if (err) - goto out; - data->fan_min[i] = reg; - } - - if (data->REG_FAN_PULSES[i]) { - err = nct6775_read_value(data, data->REG_FAN_PULSES[i], ®); - if (err) - goto out; - data->fan_pulses[i] = (reg >> data->FAN_PULSE_SHIFT[i]) & 0x03; - } - - err = nct6775_select_fan_div(dev, data, i, reg); - if (err) - goto out; - } - - err = nct6775_update_pwm(dev); - if (err) - goto out; - - err = nct6775_update_pwm_limits(dev); - if (err) - goto out; - - /* Measured temperatures and limits */ - for (i = 0; i < NUM_TEMP; i++) { - if (!(data->have_temp & BIT(i))) - continue; - for (j = 0; j < ARRAY_SIZE(data->reg_temp); j++) { - if (data->reg_temp[j][i]) { - err = nct6775_read_temp(data, data->reg_temp[j][i], ®); - if (err) - goto out; - data->temp[j][i] = reg; - } - } - if (i >= NUM_TEMP_FIXED || - !(data->have_temp_fixed & BIT(i))) - continue; - err = nct6775_read_value(data, data->REG_TEMP_OFFSET[i], ®); - if (err) - goto out; - data->temp_offset[i] = reg; - } - - for (i = 0; i < NUM_TSI_TEMP; i++) { - if (!(data->have_tsi_temp & BIT(i))) - continue; - err = nct6775_read_value(data, data->REG_TSI_TEMP[i], ®); - if (err) - goto out; - data->tsi_temp[i] = reg; - } - - data->alarms = 0; - for (i = 0; i < NUM_REG_ALARM; i++) { - u16 alarm; - - if (!data->REG_ALARM[i]) - continue; - err = nct6775_read_value(data, data->REG_ALARM[i], &alarm); - if (err) - goto out; - data->alarms |= ((u64)alarm) << (i << 3); - } - - data->beeps = 0; - for (i = 0; i < NUM_REG_BEEP; i++) { - u16 beep; - - if (!data->REG_BEEP[i]) - continue; - err = nct6775_read_value(data, data->REG_BEEP[i], &beep); - if (err) - goto out; - data->beeps |= ((u64)beep) << (i << 3); - } - - data->last_updated = jiffies; - data->valid = true; - } -out: - mutex_unlock(&data->update_lock); - return err ? ERR_PTR(err) : data; -} - -/* - * Sysfs callback functions - */ -static ssize_t -show_in_reg(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - int index = sattr->index; - int nr = sattr->nr; - - if (IS_ERR(data)) - return PTR_ERR(data); - - return sprintf(buf, "%ld\n", in_from_reg(data->in[nr][index], nr)); -} - -static ssize_t -store_in_reg(struct device *dev, struct device_attribute *attr, const char *buf, - size_t count) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - int index = sattr->index; - int nr = sattr->nr; - unsigned long val; - int err; - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - mutex_lock(&data->update_lock); - data->in[nr][index] = in_to_reg(val, nr); - err = nct6775_write_value(data, data->REG_IN_MINMAX[index - 1][nr], data->in[nr][index]); - mutex_unlock(&data->update_lock); - return err ? : count; -} - -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; - - if (IS_ERR(data)) - return PTR_ERR(data); - - nr = data->ALARM_BITS[sattr->index]; - return sprintf(buf, "%u\n", - (unsigned int)((data->alarms >> nr) & 0x01)); -} - -static int find_temp_source(struct nct6775_data *data, int index, int count) -{ - int source = data->temp_src[index]; - int nr, err; - - for (nr = 0; nr < count; nr++) { - u16 src; - - err = nct6775_read_value(data, data->REG_TEMP_SOURCE[nr], &src); - if (err) - return err; - if ((src & 0x1f) == source) - return nr; - } - return -ENODEV; -} - -static ssize_t -show_temp_alarm(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - struct nct6775_data *data = nct6775_update_device(dev); - unsigned int alarm = 0; - int nr; - - if (IS_ERR(data)) - return PTR_ERR(data); - - /* - * For temperatures, there is no fixed mapping from registers to alarm - * bits. Alarm bits are determined by the temperature source mapping. - */ - nr = find_temp_source(data, sattr->index, data->num_temp_alarms); - if (nr >= 0) { - int bit = data->ALARM_BITS[nr + TEMP_ALARM_BASE]; - - alarm = (data->alarms >> bit) & 0x01; - } - return sprintf(buf, "%u\n", alarm); -} - -static ssize_t -show_beep(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - struct nct6775_data *data = nct6775_update_device(dev); - int nr; - - if (IS_ERR(data)) - return PTR_ERR(data); - - nr = data->BEEP_BITS[sattr->index]; - - return sprintf(buf, "%u\n", - (unsigned int)((data->beeps >> nr) & 0x01)); -} - -static ssize_t -store_beep(struct device *dev, struct device_attribute *attr, const char *buf, - size_t count) -{ - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - struct nct6775_data *data = dev_get_drvdata(dev); - int nr = data->BEEP_BITS[sattr->index]; - int regindex = nr >> 3; - unsigned long val; - int err; - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - if (val > 1) - return -EINVAL; - - mutex_lock(&data->update_lock); - if (val) - data->beeps |= (1ULL << nr); - else - data->beeps &= ~(1ULL << nr); - err = nct6775_write_value(data, data->REG_BEEP[regindex], - (data->beeps >> (regindex << 3)) & 0xff); - mutex_unlock(&data->update_lock); - return err ? : count; -} - -static ssize_t -show_temp_beep(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - struct nct6775_data *data = nct6775_update_device(dev); - unsigned int beep = 0; - int nr; - - if (IS_ERR(data)) - return PTR_ERR(data); - - /* - * For temperatures, there is no fixed mapping from registers to beep - * enable bits. Beep enable bits are determined by the temperature - * source mapping. - */ - nr = find_temp_source(data, sattr->index, data->num_temp_beeps); - if (nr >= 0) { - int bit = data->BEEP_BITS[nr + TEMP_ALARM_BASE]; - - beep = (data->beeps >> bit) & 0x01; - } - return sprintf(buf, "%u\n", beep); -} - -static ssize_t -store_temp_beep(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - struct nct6775_data *data = dev_get_drvdata(dev); - int nr, bit, regindex; - unsigned long val; - int err; - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - if (val > 1) - return -EINVAL; - - nr = find_temp_source(data, sattr->index, data->num_temp_beeps); - if (nr < 0) - return nr; - - bit = data->BEEP_BITS[nr + TEMP_ALARM_BASE]; - regindex = bit >> 3; - - mutex_lock(&data->update_lock); - if (val) - data->beeps |= (1ULL << bit); - else - data->beeps &= ~(1ULL << bit); - err = nct6775_write_value(data, data->REG_BEEP[regindex], - (data->beeps >> (regindex << 3)) & 0xff); - mutex_unlock(&data->update_lock); - - return err ? : count; -} - -static umode_t nct6775_in_is_visible(struct kobject *kobj, - struct attribute *attr, int index) -{ - struct device *dev = kobj_to_dev(kobj); - struct nct6775_data *data = dev_get_drvdata(dev); - int in = index / 5; /* voltage index */ - - if (!(data->have_in & BIT(in))) - return 0; - - return nct6775_attr_mode(data, attr); -} - -SENSOR_TEMPLATE_2(in_input, "in%d_input", 0444, show_in_reg, NULL, 0, 0); -SENSOR_TEMPLATE(in_alarm, "in%d_alarm", 0444, show_alarm, NULL, 0); -SENSOR_TEMPLATE(in_beep, "in%d_beep", 0644, show_beep, store_beep, 0); -SENSOR_TEMPLATE_2(in_min, "in%d_min", 0644, show_in_reg, store_in_reg, 0, 1); -SENSOR_TEMPLATE_2(in_max, "in%d_max", 0644, show_in_reg, store_in_reg, 0, 2); - -/* - * nct6775_in_is_visible uses the index into the following array - * to determine if attributes should be created or not. - * Any change in order or content must be matched. - */ -static struct sensor_device_template *nct6775_attributes_in_template[] = { - &sensor_dev_template_in_input, - &sensor_dev_template_in_alarm, - &sensor_dev_template_in_beep, - &sensor_dev_template_in_min, - &sensor_dev_template_in_max, - NULL -}; - -static const struct sensor_template_group nct6775_in_template_group = { - .templates = nct6775_attributes_in_template, - .is_visible = nct6775_in_is_visible, -}; - -static ssize_t -show_fan(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - - if (IS_ERR(data)) - return PTR_ERR(data); - - return sprintf(buf, "%d\n", data->rpm[nr]); -} - -static ssize_t -show_fan_min(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - - if (IS_ERR(data)) - return PTR_ERR(data); - - return sprintf(buf, "%d\n", - data->fan_from_reg_min(data->fan_min[nr], - data->fan_div[nr])); -} - -static ssize_t -show_fan_div(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - - if (IS_ERR(data)) - return PTR_ERR(data); - - return sprintf(buf, "%u\n", div_from_reg(data->fan_div[nr])); -} - -static ssize_t -store_fan_min(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - unsigned long val; - unsigned int reg; - u8 new_div; - int err; - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - - mutex_lock(&data->update_lock); - if (!data->has_fan_div) { - /* NCT6776F or NCT6779D; we know this is a 13 bit register */ - if (!val) { - val = 0xff1f; - } else { - if (val > 1350000U) - val = 135000U; - val = 1350000U / val; - val = (val & 0x1f) | ((val << 3) & 0xff00); - } - data->fan_min[nr] = val; - goto write_min; /* Leave fan divider alone */ - } - if (!val) { - /* No min limit, alarm disabled */ - data->fan_min[nr] = 255; - new_div = data->fan_div[nr]; /* No change */ - dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1); - goto write_div; - } - reg = 1350000U / val; - if (reg >= 128 * 255) { - /* - * Speed below this value cannot possibly be represented, - * even with the highest divider (128) - */ - data->fan_min[nr] = 254; - new_div = 7; /* 128 == BIT(7) */ - dev_warn(dev, - "fan%u low limit %lu below minimum %u, set to minimum\n", - nr + 1, val, data->fan_from_reg_min(254, 7)); - } else if (!reg) { - /* - * Speed above this value cannot possibly be represented, - * even with the lowest divider (1) - */ - data->fan_min[nr] = 1; - new_div = 0; /* 1 == BIT(0) */ - dev_warn(dev, - "fan%u low limit %lu above maximum %u, set to maximum\n", - nr + 1, val, data->fan_from_reg_min(1, 0)); - } else { - /* - * Automatically pick the best divider, i.e. the one such - * that the min limit will correspond to a register value - * in the 96..192 range - */ - new_div = 0; - while (reg > 192 && new_div < 7) { - reg >>= 1; - new_div++; - } - data->fan_min[nr] = reg; - } - -write_div: - /* - * Write both the fan clock divider (if it changed) and the new - * fan min (unconditionally) - */ - if (new_div != data->fan_div[nr]) { - dev_dbg(dev, "fan%u clock divider changed from %u to %u\n", - nr + 1, div_from_reg(data->fan_div[nr]), - div_from_reg(new_div)); - data->fan_div[nr] = new_div; - err = nct6775_write_fan_div_common(data, nr); - if (err) - goto write_min; - /* Give the chip time to sample a new speed value */ - data->last_updated = jiffies; - } - -write_min: - err = nct6775_write_value(data, data->REG_FAN_MIN[nr], data->fan_min[nr]); - mutex_unlock(&data->update_lock); - - return err ? : count; -} - -static ssize_t -show_fan_pulses(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int p; - - if (IS_ERR(data)) - return PTR_ERR(data); - - p = data->fan_pulses[sattr->index]; - return sprintf(buf, "%d\n", p ? : 4); -} - -static ssize_t -store_fan_pulses(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - unsigned long val; - int err; - u16 reg; - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - - if (val > 4) - return -EINVAL; - - mutex_lock(&data->update_lock); - data->fan_pulses[nr] = val & 3; - err = nct6775_read_value(data, data->REG_FAN_PULSES[nr], ®); - if (err) - goto out; - reg &= ~(0x03 << data->FAN_PULSE_SHIFT[nr]); - reg |= (val & 3) << data->FAN_PULSE_SHIFT[nr]; - err = nct6775_write_value(data, data->REG_FAN_PULSES[nr], reg); -out: - mutex_unlock(&data->update_lock); - - return err ? : count; -} - -static umode_t nct6775_fan_is_visible(struct kobject *kobj, - struct attribute *attr, int index) -{ - struct device *dev = kobj_to_dev(kobj); - struct nct6775_data *data = dev_get_drvdata(dev); - int fan = index / 6; /* fan index */ - int nr = index % 6; /* attribute index */ - - if (!(data->has_fan & BIT(fan))) - return 0; - - if (nr == 1 && data->ALARM_BITS[FAN_ALARM_BASE + fan] == -1) - return 0; - if (nr == 2 && data->BEEP_BITS[FAN_ALARM_BASE + fan] == -1) - return 0; - if (nr == 3 && !data->REG_FAN_PULSES[fan]) - return 0; - if (nr == 4 && !(data->has_fan_min & BIT(fan))) - return 0; - if (nr == 5 && data->kind != nct6775) - return 0; - - return nct6775_attr_mode(data, attr); -} - -SENSOR_TEMPLATE(fan_input, "fan%d_input", 0444, show_fan, NULL, 0); -SENSOR_TEMPLATE(fan_alarm, "fan%d_alarm", 0444, show_alarm, NULL, FAN_ALARM_BASE); -SENSOR_TEMPLATE(fan_beep, "fan%d_beep", 0644, show_beep, store_beep, FAN_ALARM_BASE); -SENSOR_TEMPLATE(fan_pulses, "fan%d_pulses", 0644, show_fan_pulses, store_fan_pulses, 0); -SENSOR_TEMPLATE(fan_min, "fan%d_min", 0644, show_fan_min, store_fan_min, 0); -SENSOR_TEMPLATE(fan_div, "fan%d_div", 0444, show_fan_div, NULL, 0); - -/* - * nct6775_fan_is_visible uses the index into the following array - * to determine if attributes should be created or not. - * Any change in order or content must be matched. - */ -static struct sensor_device_template *nct6775_attributes_fan_template[] = { - &sensor_dev_template_fan_input, - &sensor_dev_template_fan_alarm, /* 1 */ - &sensor_dev_template_fan_beep, /* 2 */ - &sensor_dev_template_fan_pulses, - &sensor_dev_template_fan_min, /* 4 */ - &sensor_dev_template_fan_div, /* 5 */ - NULL -}; - -static const struct sensor_template_group nct6775_fan_template_group = { - .templates = nct6775_attributes_fan_template, - .is_visible = nct6775_fan_is_visible, - .base = 1, -}; - -static ssize_t -show_temp_label(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - - if (IS_ERR(data)) - return PTR_ERR(data); - - return sprintf(buf, "%s\n", data->temp_label[data->temp_src[nr]]); -} - -static ssize_t -show_temp(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - int nr = sattr->nr; - int index = sattr->index; - - if (IS_ERR(data)) - return PTR_ERR(data); - - return sprintf(buf, "%d\n", LM75_TEMP_FROM_REG(data->temp[index][nr])); -} - -static ssize_t -store_temp(struct device *dev, struct device_attribute *attr, const char *buf, - size_t count) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - int nr = sattr->nr; - int index = sattr->index; - int err; - long val; - - err = kstrtol(buf, 10, &val); - if (err < 0) - return err; - - mutex_lock(&data->update_lock); - data->temp[index][nr] = LM75_TEMP_TO_REG(val); - err = nct6775_write_temp(data, data->reg_temp[index][nr], data->temp[index][nr]); - mutex_unlock(&data->update_lock); - return err ? : count; -} - -static ssize_t -show_temp_offset(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - - if (IS_ERR(data)) - return PTR_ERR(data); - - return sprintf(buf, "%d\n", data->temp_offset[sattr->index] * 1000); -} - -static ssize_t -store_temp_offset(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - long val; - int err; - - err = kstrtol(buf, 10, &val); - if (err < 0) - return err; - - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); - - mutex_lock(&data->update_lock); - data->temp_offset[nr] = val; - err = nct6775_write_value(data, data->REG_TEMP_OFFSET[nr], val); - mutex_unlock(&data->update_lock); - - return err ? : count; -} - -static ssize_t -show_temp_type(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - - if (IS_ERR(data)) - return PTR_ERR(data); - - return sprintf(buf, "%d\n", (int)data->temp_type[nr]); -} - -static ssize_t -store_temp_type(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - unsigned long val; - int err; - u8 vbit, dbit; - u16 vbat, diode; - - if (IS_ERR(data)) - return PTR_ERR(data); - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - - if (val != 1 && val != 3 && val != 4) - return -EINVAL; - - mutex_lock(&data->update_lock); - - data->temp_type[nr] = val; - vbit = 0x02 << nr; - dbit = data->DIODE_MASK << nr; - - err = nct6775_read_value(data, data->REG_VBAT, &vbat); - if (err) - goto out; - vbat &= ~vbit; - - err = nct6775_read_value(data, data->REG_DIODE, &diode); - if (err) - goto out; - diode &= ~dbit; - - switch (val) { - case 1: /* CPU diode (diode, current mode) */ - vbat |= vbit; - diode |= dbit; - break; - case 3: /* diode, voltage mode */ - vbat |= dbit; - break; - case 4: /* thermistor */ - break; - } - err = nct6775_write_value(data, data->REG_VBAT, vbat); - if (err) - goto out; - err = nct6775_write_value(data, data->REG_DIODE, diode); -out: - mutex_unlock(&data->update_lock); - return err ? : count; -} - -static umode_t nct6775_temp_is_visible(struct kobject *kobj, - struct attribute *attr, int index) -{ - struct device *dev = kobj_to_dev(kobj); - struct nct6775_data *data = dev_get_drvdata(dev); - int temp = index / 10; /* temp index */ - int nr = index % 10; /* attribute index */ - - if (!(data->have_temp & BIT(temp))) - return 0; - - if (nr == 1 && !data->temp_label) - return 0; - - if (nr == 2 && find_temp_source(data, temp, data->num_temp_alarms) < 0) - return 0; /* alarm */ - - if (nr == 3 && find_temp_source(data, temp, data->num_temp_beeps) < 0) - return 0; /* beep */ - - if (nr == 4 && !data->reg_temp[1][temp]) /* max */ - return 0; - - if (nr == 5 && !data->reg_temp[2][temp]) /* max_hyst */ - return 0; - - if (nr == 6 && !data->reg_temp[3][temp]) /* crit */ - return 0; - - if (nr == 7 && !data->reg_temp[4][temp]) /* lcrit */ - return 0; - - /* offset and type only apply to fixed sensors */ - if (nr > 7 && !(data->have_temp_fixed & BIT(temp))) - return 0; - - return nct6775_attr_mode(data, attr); -} - -SENSOR_TEMPLATE_2(temp_input, "temp%d_input", 0444, show_temp, NULL, 0, 0); -SENSOR_TEMPLATE(temp_label, "temp%d_label", 0444, show_temp_label, NULL, 0); -SENSOR_TEMPLATE_2(temp_max, "temp%d_max", 0644, show_temp, store_temp, 0, 1); -SENSOR_TEMPLATE_2(temp_max_hyst, "temp%d_max_hyst", 0644, show_temp, store_temp, 0, 2); -SENSOR_TEMPLATE_2(temp_crit, "temp%d_crit", 0644, show_temp, store_temp, 0, 3); -SENSOR_TEMPLATE_2(temp_lcrit, "temp%d_lcrit", 0644, show_temp, store_temp, 0, 4); -SENSOR_TEMPLATE(temp_offset, "temp%d_offset", 0644, show_temp_offset, store_temp_offset, 0); -SENSOR_TEMPLATE(temp_type, "temp%d_type", 0644, show_temp_type, store_temp_type, 0); -SENSOR_TEMPLATE(temp_alarm, "temp%d_alarm", 0444, show_temp_alarm, NULL, 0); -SENSOR_TEMPLATE(temp_beep, "temp%d_beep", 0644, show_temp_beep, store_temp_beep, 0); - -/* - * nct6775_temp_is_visible uses the index into the following array - * to determine if attributes should be created or not. - * Any change in order or content must be matched. - */ -static struct sensor_device_template *nct6775_attributes_temp_template[] = { - &sensor_dev_template_temp_input, - &sensor_dev_template_temp_label, - &sensor_dev_template_temp_alarm, /* 2 */ - &sensor_dev_template_temp_beep, /* 3 */ - &sensor_dev_template_temp_max, /* 4 */ - &sensor_dev_template_temp_max_hyst, /* 5 */ - &sensor_dev_template_temp_crit, /* 6 */ - &sensor_dev_template_temp_lcrit, /* 7 */ - &sensor_dev_template_temp_offset, /* 8 */ - &sensor_dev_template_temp_type, /* 9 */ - NULL -}; - -static const struct sensor_template_group nct6775_temp_template_group = { - .templates = nct6775_attributes_temp_template, - .is_visible = nct6775_temp_is_visible, - .base = 1, -}; - -static ssize_t show_tsi_temp(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - - if (IS_ERR(data)) - return PTR_ERR(data); - - return sysfs_emit(buf, "%u\n", tsi_temp_from_reg(data->tsi_temp[sattr->index])); -} - -static ssize_t show_tsi_temp_label(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - - return sysfs_emit(buf, "TSI%d_TEMP\n", sattr->index); -} - -SENSOR_TEMPLATE(tsi_temp_input, "temp%d_input", 0444, show_tsi_temp, NULL, 0); -SENSOR_TEMPLATE(tsi_temp_label, "temp%d_label", 0444, show_tsi_temp_label, NULL, 0); - -static umode_t nct6775_tsi_temp_is_visible(struct kobject *kobj, struct attribute *attr, - int index) -{ - struct device *dev = kobj_to_dev(kobj); - struct nct6775_data *data = dev_get_drvdata(dev); - int temp = index / 2; - - return (data->have_tsi_temp & BIT(temp)) ? nct6775_attr_mode(data, attr) : 0; -} - -/* - * The index calculation in nct6775_tsi_temp_is_visible() must be kept in - * sync with the size of this array. - */ -static struct sensor_device_template *nct6775_tsi_temp_template[] = { - &sensor_dev_template_tsi_temp_input, - &sensor_dev_template_tsi_temp_label, - NULL -}; - -static ssize_t -show_pwm_mode(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - - if (IS_ERR(data)) - return PTR_ERR(data); - - return sprintf(buf, "%d\n", data->pwm_mode[sattr->index]); -} - -static ssize_t -store_pwm_mode(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - unsigned long val; - int err; - u16 reg; - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - - if (val > 1) - return -EINVAL; - - /* Setting DC mode (0) is not supported for all chips/channels */ - if (data->REG_PWM_MODE[nr] == 0) { - if (!val) - return -EINVAL; - return count; - } - - mutex_lock(&data->update_lock); - data->pwm_mode[nr] = val; - err = nct6775_read_value(data, data->REG_PWM_MODE[nr], ®); - if (err) - goto out; - reg &= ~data->PWM_MODE_MASK[nr]; - if (!val) - reg |= data->PWM_MODE_MASK[nr]; - err = nct6775_write_value(data, data->REG_PWM_MODE[nr], reg); -out: - mutex_unlock(&data->update_lock); - return err ? : count; -} - -static ssize_t -show_pwm(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - int nr = sattr->nr; - int index = sattr->index; - int err; - u16 pwm; - - if (IS_ERR(data)) - return PTR_ERR(data); - - /* - * For automatic fan control modes, show current pwm readings. - * Otherwise, show the configured value. - */ - if (index == 0 && data->pwm_enable[nr] > manual) { - err = nct6775_read_value(data, data->REG_PWM_READ[nr], &pwm); - if (err) - return err; - } else { - pwm = data->pwm[index][nr]; - } - - return sprintf(buf, "%d\n", pwm); -} - -static ssize_t -store_pwm(struct device *dev, struct device_attribute *attr, const char *buf, - size_t count) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - int nr = sattr->nr; - int index = sattr->index; - unsigned long val; - int minval[7] = { 0, 1, 1, data->pwm[2][nr], 0, 0, 0 }; - int maxval[7] - = { 255, 255, data->pwm[3][nr] ? : 255, 255, 255, 255, 255 }; - int err; - u16 reg; - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - val = clamp_val(val, minval[index], maxval[index]); - - mutex_lock(&data->update_lock); - data->pwm[index][nr] = val; - err = nct6775_write_value(data, data->REG_PWM[index][nr], val); - if (err) - goto out; - if (index == 2) { /* floor: disable if val == 0 */ - err = nct6775_read_value(data, data->REG_TEMP_SEL[nr], ®); - if (err) - goto out; - reg &= 0x7f; - if (val) - reg |= 0x80; - err = nct6775_write_value(data, data->REG_TEMP_SEL[nr], reg); - } -out: - mutex_unlock(&data->update_lock); - return err ? : count; -} - -/* Returns 0 if OK, -EINVAL otherwise */ -static int check_trip_points(struct nct6775_data *data, int nr) -{ - int i; - - for (i = 0; i < data->auto_pwm_num - 1; i++) { - if (data->auto_temp[nr][i] > data->auto_temp[nr][i + 1]) - return -EINVAL; - } - for (i = 0; i < data->auto_pwm_num - 1; i++) { - if (data->auto_pwm[nr][i] > data->auto_pwm[nr][i + 1]) - return -EINVAL; - } - /* validate critical temperature and pwm if enabled (pwm > 0) */ - if (data->auto_pwm[nr][data->auto_pwm_num]) { - if (data->auto_temp[nr][data->auto_pwm_num - 1] > - data->auto_temp[nr][data->auto_pwm_num] || - data->auto_pwm[nr][data->auto_pwm_num - 1] > - data->auto_pwm[nr][data->auto_pwm_num]) - return -EINVAL; - } - return 0; -} - -static int pwm_update_registers(struct nct6775_data *data, int nr) -{ - u16 reg; - int err; - - switch (data->pwm_enable[nr]) { - case off: - case manual: - break; - case speed_cruise: - err = nct6775_read_value(data, data->REG_FAN_MODE[nr], ®); - if (err) - return err; - reg = (reg & ~data->tolerance_mask) | - (data->target_speed_tolerance[nr] & data->tolerance_mask); - err = nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); - if (err) - return err; - err = nct6775_write_value(data, data->REG_TARGET[nr], - data->target_speed[nr] & 0xff); - if (err) - return err; - if (data->REG_TOLERANCE_H) { - reg = (data->target_speed[nr] >> 8) & 0x0f; - reg |= (data->target_speed_tolerance[nr] & 0x38) << 1; - err = nct6775_write_value(data, data->REG_TOLERANCE_H[nr], reg); - if (err) - return err; - } - break; - case thermal_cruise: - err = nct6775_write_value(data, data->REG_TARGET[nr], data->target_temp[nr]); - if (err) - return err; - fallthrough; - default: - err = nct6775_read_value(data, data->REG_FAN_MODE[nr], ®); - if (err) - return err; - reg = (reg & ~data->tolerance_mask) | - data->temp_tolerance[0][nr]; - err = nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); - if (err) - return err; - break; - } - - return 0; -} - -static ssize_t -show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - - if (IS_ERR(data)) - return PTR_ERR(data); - - return sprintf(buf, "%d\n", data->pwm_enable[sattr->index]); -} - -static ssize_t -store_pwm_enable(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - unsigned long val; - int err; - u16 reg; - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - - if (val > sf4) - return -EINVAL; - - if (val == sf3 && data->kind != nct6775) - return -EINVAL; - - if (val == sf4 && check_trip_points(data, nr)) { - dev_err(dev, "Inconsistent trip points, not switching to SmartFan IV mode\n"); - dev_err(dev, "Adjust trip points and try again\n"); - return -EINVAL; - } - - mutex_lock(&data->update_lock); - data->pwm_enable[nr] = val; - if (val == off) { - /* - * turn off pwm control: select manual mode, set pwm to maximum - */ - data->pwm[0][nr] = 255; - err = nct6775_write_value(data, data->REG_PWM[0][nr], 255); - if (err) - goto out; - } - err = pwm_update_registers(data, nr); - if (err) - goto out; - err = nct6775_read_value(data, data->REG_FAN_MODE[nr], ®); - if (err) - goto out; - reg &= 0x0f; - reg |= pwm_enable_to_reg(val) << 4; - err = nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); -out: - mutex_unlock(&data->update_lock); - return err ? : count; -} - -static ssize_t -show_pwm_temp_sel_common(struct nct6775_data *data, char *buf, int src) -{ - int i, sel = 0; - - for (i = 0; i < NUM_TEMP; i++) { - if (!(data->have_temp & BIT(i))) - continue; - if (src == data->temp_src[i]) { - sel = i + 1; - break; - } - } - - return sprintf(buf, "%d\n", sel); -} - -static ssize_t -show_pwm_temp_sel(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int index = sattr->index; - - if (IS_ERR(data)) - return PTR_ERR(data); - - return show_pwm_temp_sel_common(data, buf, data->pwm_temp_sel[index]); -} - -static ssize_t -store_pwm_temp_sel(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - unsigned long val; - int err, src; - u16 reg; - - if (IS_ERR(data)) - return PTR_ERR(data); - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - if (val == 0 || val > NUM_TEMP) - return -EINVAL; - if (!(data->have_temp & BIT(val - 1)) || !data->temp_src[val - 1]) - return -EINVAL; - - mutex_lock(&data->update_lock); - src = data->temp_src[val - 1]; - data->pwm_temp_sel[nr] = src; - err = nct6775_read_value(data, data->REG_TEMP_SEL[nr], ®); - if (err) - goto out; - reg &= 0xe0; - reg |= src; - err = nct6775_write_value(data, data->REG_TEMP_SEL[nr], reg); -out: - mutex_unlock(&data->update_lock); - - return err ? : count; -} - -static ssize_t -show_pwm_weight_temp_sel(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int index = sattr->index; - - if (IS_ERR(data)) - return PTR_ERR(data); - - return show_pwm_temp_sel_common(data, buf, - data->pwm_weight_temp_sel[index]); -} - -static ssize_t -store_pwm_weight_temp_sel(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - unsigned long val; - int err, src; - u16 reg; - - if (IS_ERR(data)) - return PTR_ERR(data); - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - if (val > NUM_TEMP) - return -EINVAL; - val = array_index_nospec(val, NUM_TEMP + 1); - if (val && (!(data->have_temp & BIT(val - 1)) || - !data->temp_src[val - 1])) - return -EINVAL; - - mutex_lock(&data->update_lock); - if (val) { - src = data->temp_src[val - 1]; - data->pwm_weight_temp_sel[nr] = src; - err = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[nr], ®); - if (err) - goto out; - reg &= 0xe0; - reg |= (src | 0x80); - err = nct6775_write_value(data, data->REG_WEIGHT_TEMP_SEL[nr], reg); - } else { - data->pwm_weight_temp_sel[nr] = 0; - err = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[nr], ®); - if (err) - goto out; - reg &= 0x7f; - err = nct6775_write_value(data, data->REG_WEIGHT_TEMP_SEL[nr], reg); - } -out: - mutex_unlock(&data->update_lock); - - return err ? : count; -} - -static ssize_t -show_target_temp(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - - if (IS_ERR(data)) - return PTR_ERR(data); - - return sprintf(buf, "%d\n", data->target_temp[sattr->index] * 1000); -} - -static ssize_t -store_target_temp(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - unsigned long val; - int err; - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, - data->target_temp_mask); - - mutex_lock(&data->update_lock); - data->target_temp[nr] = val; - err = pwm_update_registers(data, nr); - mutex_unlock(&data->update_lock); - return err ? : count; -} - -static ssize_t -show_target_speed(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - - if (IS_ERR(data)) - return PTR_ERR(data); - - return sprintf(buf, "%d\n", - fan_from_reg16(data->target_speed[nr], - data->fan_div[nr])); -} - -static ssize_t -store_target_speed(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - unsigned long val; - int err; - u16 speed; - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - - val = clamp_val(val, 0, 1350000U); - speed = fan_to_reg(val, data->fan_div[nr]); - - mutex_lock(&data->update_lock); - data->target_speed[nr] = speed; - err = pwm_update_registers(data, nr); - mutex_unlock(&data->update_lock); - return err ? : count; -} - -static ssize_t -show_temp_tolerance(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - int nr = sattr->nr; - int index = sattr->index; - - if (IS_ERR(data)) - return PTR_ERR(data); - - return sprintf(buf, "%d\n", data->temp_tolerance[index][nr] * 1000); -} - -static ssize_t -store_temp_tolerance(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - int nr = sattr->nr; - int index = sattr->index; - unsigned long val; - int err; - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - - /* Limit tolerance as needed */ - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, data->tolerance_mask); - - mutex_lock(&data->update_lock); - data->temp_tolerance[index][nr] = val; - if (index) - err = pwm_update_registers(data, nr); - else - err = nct6775_write_value(data, data->REG_CRITICAL_TEMP_TOLERANCE[nr], val); - mutex_unlock(&data->update_lock); - return err ? : count; -} - -/* - * Fan speed tolerance is a tricky beast, since the associated register is - * a tick counter, but the value is reported and configured as rpm. - * Compute resulting low and high rpm values and report the difference. - * A fan speed tolerance only makes sense if a fan target speed has been - * configured, so only display values other than 0 if that is the case. - */ -static ssize_t -show_speed_tolerance(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - int target, tolerance = 0; - - if (IS_ERR(data)) - return PTR_ERR(data); - - target = data->target_speed[nr]; - - if (target) { - int low = target - data->target_speed_tolerance[nr]; - int high = target + data->target_speed_tolerance[nr]; - - if (low <= 0) - low = 1; - if (high > 0xffff) - high = 0xffff; - if (high < low) - high = low; - - tolerance = (fan_from_reg16(low, data->fan_div[nr]) - - fan_from_reg16(high, data->fan_div[nr])) / 2; - } - - return sprintf(buf, "%d\n", tolerance); -} - -static ssize_t -store_speed_tolerance(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); - int nr = sattr->index; - unsigned long val; - int err; - int low, high; - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - - high = fan_from_reg16(data->target_speed[nr], data->fan_div[nr]) + val; - low = fan_from_reg16(data->target_speed[nr], data->fan_div[nr]) - val; - if (low <= 0) - low = 1; - if (high < low) - high = low; - - val = (fan_to_reg(low, data->fan_div[nr]) - - fan_to_reg(high, data->fan_div[nr])) / 2; - - /* Limit tolerance as needed */ - val = clamp_val(val, 0, data->speed_tolerance_limit); - - mutex_lock(&data->update_lock); - data->target_speed_tolerance[nr] = val; - err = pwm_update_registers(data, nr); - mutex_unlock(&data->update_lock); - return err ? : count; -} - -SENSOR_TEMPLATE_2(pwm, "pwm%d", 0644, show_pwm, store_pwm, 0, 0); -SENSOR_TEMPLATE(pwm_mode, "pwm%d_mode", 0644, show_pwm_mode, store_pwm_mode, 0); -SENSOR_TEMPLATE(pwm_enable, "pwm%d_enable", 0644, show_pwm_enable, store_pwm_enable, 0); -SENSOR_TEMPLATE(pwm_temp_sel, "pwm%d_temp_sel", 0644, show_pwm_temp_sel, store_pwm_temp_sel, 0); -SENSOR_TEMPLATE(pwm_target_temp, "pwm%d_target_temp", 0644, show_target_temp, store_target_temp, 0); -SENSOR_TEMPLATE(fan_target, "fan%d_target", 0644, show_target_speed, store_target_speed, 0); -SENSOR_TEMPLATE(fan_tolerance, "fan%d_tolerance", 0644, show_speed_tolerance, - store_speed_tolerance, 0); - -/* Smart Fan registers */ - -static ssize_t -show_weight_temp(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - int nr = sattr->nr; - int index = sattr->index; - - if (IS_ERR(data)) - return PTR_ERR(data); - - return sprintf(buf, "%d\n", data->weight_temp[index][nr] * 1000); -} - -static ssize_t -store_weight_temp(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - int nr = sattr->nr; - int index = sattr->index; - unsigned long val; - int err; - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 255); - - mutex_lock(&data->update_lock); - data->weight_temp[index][nr] = val; - err = nct6775_write_value(data, data->REG_WEIGHT_TEMP[index][nr], val); - mutex_unlock(&data->update_lock); - return err ? : count; -} - -SENSOR_TEMPLATE(pwm_weight_temp_sel, "pwm%d_weight_temp_sel", 0644, - show_pwm_weight_temp_sel, store_pwm_weight_temp_sel, 0); -SENSOR_TEMPLATE_2(pwm_weight_temp_step, "pwm%d_weight_temp_step", - 0644, show_weight_temp, store_weight_temp, 0, 0); -SENSOR_TEMPLATE_2(pwm_weight_temp_step_tol, "pwm%d_weight_temp_step_tol", - 0644, show_weight_temp, store_weight_temp, 0, 1); -SENSOR_TEMPLATE_2(pwm_weight_temp_step_base, "pwm%d_weight_temp_step_base", - 0644, show_weight_temp, store_weight_temp, 0, 2); -SENSOR_TEMPLATE_2(pwm_weight_duty_step, "pwm%d_weight_duty_step", 0644, show_pwm, store_pwm, 0, 5); -SENSOR_TEMPLATE_2(pwm_weight_duty_base, "pwm%d_weight_duty_base", 0644, show_pwm, store_pwm, 0, 6); - -static ssize_t -show_fan_time(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - int nr = sattr->nr; - int index = sattr->index; - - if (IS_ERR(data)) - return PTR_ERR(data); - - return sprintf(buf, "%d\n", - step_time_from_reg(data->fan_time[index][nr], - data->pwm_mode[nr])); -} - -static ssize_t -store_fan_time(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - int nr = sattr->nr; - int index = sattr->index; - unsigned long val; - int err; - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - - val = step_time_to_reg(val, data->pwm_mode[nr]); - mutex_lock(&data->update_lock); - data->fan_time[index][nr] = val; - err = nct6775_write_value(data, data->REG_FAN_TIME[index][nr], val); - mutex_unlock(&data->update_lock); - return err ? : count; -} - -static ssize_t -show_auto_pwm(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - - if (IS_ERR(data)) - return PTR_ERR(data); - - return sprintf(buf, "%d\n", data->auto_pwm[sattr->nr][sattr->index]); -} - -static ssize_t -store_auto_pwm(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - int nr = sattr->nr; - int point = sattr->index; - unsigned long val; - int err; - u16 reg; - - err = kstrtoul(buf, 10, &val); - if (err < 0) - return err; - if (val > 255) - return -EINVAL; - - if (point == data->auto_pwm_num) { - if (data->kind != nct6775 && !val) - return -EINVAL; - if (data->kind != nct6779 && val) - val = 0xff; - } - - mutex_lock(&data->update_lock); - data->auto_pwm[nr][point] = val; - if (point < data->auto_pwm_num) { - err = nct6775_write_value(data, NCT6775_AUTO_PWM(data, nr, point), - data->auto_pwm[nr][point]); - } else { - switch (data->kind) { - case nct6775: - /* disable if needed (pwm == 0) */ - err = nct6775_read_value(data, NCT6775_REG_CRITICAL_ENAB[nr], ®); - if (err) - break; - if (val) - reg |= 0x02; - else - reg &= ~0x02; - err = nct6775_write_value(data, NCT6775_REG_CRITICAL_ENAB[nr], reg); - break; - case nct6776: - break; /* always enabled, nothing to do */ - case nct6106: - case nct6116: - case nct6779: - case nct6791: - case nct6792: - case nct6793: - case nct6795: - case nct6796: - case nct6797: - case nct6798: - err = nct6775_write_value(data, data->REG_CRITICAL_PWM[nr], val); - if (err) - break; - err = nct6775_read_value(data, data->REG_CRITICAL_PWM_ENABLE[nr], ®); - if (err) - break; - if (val == 255) - reg &= ~data->CRITICAL_PWM_ENABLE_MASK; - else - reg |= data->CRITICAL_PWM_ENABLE_MASK; - err = nct6775_write_value(data, data->REG_CRITICAL_PWM_ENABLE[nr], reg); - break; - } - } - mutex_unlock(&data->update_lock); - return err ? : count; -} - -static ssize_t -show_auto_temp(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = nct6775_update_device(dev); - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - int nr = sattr->nr; - int point = sattr->index; - - if (IS_ERR(data)) - return PTR_ERR(data); - - /* - * We don't know for sure if the temperature is signed or unsigned. - * Assume it is unsigned. - */ - return sprintf(buf, "%d\n", data->auto_temp[nr][point] * 1000); -} - -static ssize_t -store_auto_temp(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); - int nr = sattr->nr; - int point = sattr->index; - unsigned long val; - int err; - - err = kstrtoul(buf, 10, &val); - if (err) - return err; - if (val > 255000) - return -EINVAL; - - mutex_lock(&data->update_lock); - data->auto_temp[nr][point] = DIV_ROUND_CLOSEST(val, 1000); - if (point < data->auto_pwm_num) { - err = nct6775_write_value(data, NCT6775_AUTO_TEMP(data, nr, point), - data->auto_temp[nr][point]); - } else { - err = nct6775_write_value(data, data->REG_CRITICAL_TEMP[nr], - data->auto_temp[nr][point]); - } - mutex_unlock(&data->update_lock); - return err ? : count; -} - -static umode_t nct6775_pwm_is_visible(struct kobject *kobj, - struct attribute *attr, int index) -{ - struct device *dev = kobj_to_dev(kobj); - struct nct6775_data *data = dev_get_drvdata(dev); - int pwm = index / 36; /* pwm index */ - int nr = index % 36; /* attribute index */ - - if (!(data->has_pwm & BIT(pwm))) - return 0; - - if ((nr >= 14 && nr <= 18) || nr == 21) /* weight */ - if (!data->REG_WEIGHT_TEMP_SEL[pwm]) - return 0; - if (nr == 19 && data->REG_PWM[3] == NULL) /* pwm_max */ - return 0; - if (nr == 20 && data->REG_PWM[4] == NULL) /* pwm_step */ - return 0; - if (nr == 21 && data->REG_PWM[6] == NULL) /* weight_duty_base */ - return 0; - - if (nr >= 22 && nr <= 35) { /* auto point */ - int api = (nr - 22) / 2; /* auto point index */ - - if (api > data->auto_pwm_num) - return 0; - } - return nct6775_attr_mode(data, attr); -} - -SENSOR_TEMPLATE_2(pwm_stop_time, "pwm%d_stop_time", 0644, show_fan_time, store_fan_time, 0, 0); -SENSOR_TEMPLATE_2(pwm_step_up_time, "pwm%d_step_up_time", 0644, - show_fan_time, store_fan_time, 0, 1); -SENSOR_TEMPLATE_2(pwm_step_down_time, "pwm%d_step_down_time", 0644, - show_fan_time, store_fan_time, 0, 2); -SENSOR_TEMPLATE_2(pwm_start, "pwm%d_start", 0644, show_pwm, store_pwm, 0, 1); -SENSOR_TEMPLATE_2(pwm_floor, "pwm%d_floor", 0644, show_pwm, store_pwm, 0, 2); -SENSOR_TEMPLATE_2(pwm_temp_tolerance, "pwm%d_temp_tolerance", 0644, - show_temp_tolerance, store_temp_tolerance, 0, 0); -SENSOR_TEMPLATE_2(pwm_crit_temp_tolerance, "pwm%d_crit_temp_tolerance", - 0644, show_temp_tolerance, store_temp_tolerance, 0, 1); - -SENSOR_TEMPLATE_2(pwm_max, "pwm%d_max", 0644, show_pwm, store_pwm, 0, 3); - -SENSOR_TEMPLATE_2(pwm_step, "pwm%d_step", 0644, show_pwm, store_pwm, 0, 4); - -SENSOR_TEMPLATE_2(pwm_auto_point1_pwm, "pwm%d_auto_point1_pwm", - 0644, show_auto_pwm, store_auto_pwm, 0, 0); -SENSOR_TEMPLATE_2(pwm_auto_point1_temp, "pwm%d_auto_point1_temp", - 0644, show_auto_temp, store_auto_temp, 0, 0); - -SENSOR_TEMPLATE_2(pwm_auto_point2_pwm, "pwm%d_auto_point2_pwm", - 0644, show_auto_pwm, store_auto_pwm, 0, 1); -SENSOR_TEMPLATE_2(pwm_auto_point2_temp, "pwm%d_auto_point2_temp", - 0644, show_auto_temp, store_auto_temp, 0, 1); - -SENSOR_TEMPLATE_2(pwm_auto_point3_pwm, "pwm%d_auto_point3_pwm", - 0644, show_auto_pwm, store_auto_pwm, 0, 2); -SENSOR_TEMPLATE_2(pwm_auto_point3_temp, "pwm%d_auto_point3_temp", - 0644, show_auto_temp, store_auto_temp, 0, 2); - -SENSOR_TEMPLATE_2(pwm_auto_point4_pwm, "pwm%d_auto_point4_pwm", - 0644, show_auto_pwm, store_auto_pwm, 0, 3); -SENSOR_TEMPLATE_2(pwm_auto_point4_temp, "pwm%d_auto_point4_temp", - 0644, show_auto_temp, store_auto_temp, 0, 3); - -SENSOR_TEMPLATE_2(pwm_auto_point5_pwm, "pwm%d_auto_point5_pwm", - 0644, show_auto_pwm, store_auto_pwm, 0, 4); -SENSOR_TEMPLATE_2(pwm_auto_point5_temp, "pwm%d_auto_point5_temp", - 0644, show_auto_temp, store_auto_temp, 0, 4); - -SENSOR_TEMPLATE_2(pwm_auto_point6_pwm, "pwm%d_auto_point6_pwm", - 0644, show_auto_pwm, store_auto_pwm, 0, 5); -SENSOR_TEMPLATE_2(pwm_auto_point6_temp, "pwm%d_auto_point6_temp", - 0644, show_auto_temp, store_auto_temp, 0, 5); - -SENSOR_TEMPLATE_2(pwm_auto_point7_pwm, "pwm%d_auto_point7_pwm", - 0644, show_auto_pwm, store_auto_pwm, 0, 6); -SENSOR_TEMPLATE_2(pwm_auto_point7_temp, "pwm%d_auto_point7_temp", - 0644, show_auto_temp, store_auto_temp, 0, 6); - -/* - * nct6775_pwm_is_visible uses the index into the following array - * to determine if attributes should be created or not. - * Any change in order or content must be matched. - */ -static struct sensor_device_template *nct6775_attributes_pwm_template[] = { - &sensor_dev_template_pwm, - &sensor_dev_template_pwm_mode, - &sensor_dev_template_pwm_enable, - &sensor_dev_template_pwm_temp_sel, - &sensor_dev_template_pwm_temp_tolerance, - &sensor_dev_template_pwm_crit_temp_tolerance, - &sensor_dev_template_pwm_target_temp, - &sensor_dev_template_fan_target, - &sensor_dev_template_fan_tolerance, - &sensor_dev_template_pwm_stop_time, - &sensor_dev_template_pwm_step_up_time, - &sensor_dev_template_pwm_step_down_time, - &sensor_dev_template_pwm_start, - &sensor_dev_template_pwm_floor, - &sensor_dev_template_pwm_weight_temp_sel, /* 14 */ - &sensor_dev_template_pwm_weight_temp_step, - &sensor_dev_template_pwm_weight_temp_step_tol, - &sensor_dev_template_pwm_weight_temp_step_base, - &sensor_dev_template_pwm_weight_duty_step, /* 18 */ - &sensor_dev_template_pwm_max, /* 19 */ - &sensor_dev_template_pwm_step, /* 20 */ - &sensor_dev_template_pwm_weight_duty_base, /* 21 */ - &sensor_dev_template_pwm_auto_point1_pwm, /* 22 */ - &sensor_dev_template_pwm_auto_point1_temp, - &sensor_dev_template_pwm_auto_point2_pwm, - &sensor_dev_template_pwm_auto_point2_temp, - &sensor_dev_template_pwm_auto_point3_pwm, - &sensor_dev_template_pwm_auto_point3_temp, - &sensor_dev_template_pwm_auto_point4_pwm, - &sensor_dev_template_pwm_auto_point4_temp, - &sensor_dev_template_pwm_auto_point5_pwm, - &sensor_dev_template_pwm_auto_point5_temp, - &sensor_dev_template_pwm_auto_point6_pwm, - &sensor_dev_template_pwm_auto_point6_temp, - &sensor_dev_template_pwm_auto_point7_pwm, - &sensor_dev_template_pwm_auto_point7_temp, /* 35 */ - - NULL -}; - -static const struct sensor_template_group nct6775_pwm_template_group = { - .templates = nct6775_attributes_pwm_template, - .is_visible = nct6775_pwm_is_visible, - .base = 1, -}; - -static ssize_t -cpu0_vid_show(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_RO(cpu0_vid); - -/* 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 = data->sio_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 = sio_data->sio_enter(sio_data); - if (ret) { - count = ret; - goto error; - } - - sio_data->sio_select(sio_data, NCT6775_LD_ACPI); - reg = sio_data->sio_inb(sio_data, NCT6775_REG_CR_CASEOPEN_CLR[nr]); - reg |= NCT6775_CR_CASEOPEN_CLR_MASK[nr]; - sio_data->sio_outb(sio_data, NCT6775_REG_CR_CASEOPEN_CLR[nr], reg); - reg &= ~NCT6775_CR_CASEOPEN_CLR_MASK[nr]; - sio_data->sio_outb(sio_data, NCT6775_REG_CR_CASEOPEN_CLR[nr], reg); - sio_data->sio_exit(sio_data); - - data->valid = false; /* Force cache refresh */ -error: - mutex_unlock(&data->update_lock); - return count; -} - -static SENSOR_DEVICE_ATTR(intrusion0_alarm, 0644, show_alarm, clear_caseopen, INTRUSION_ALARM_BASE); -static SENSOR_DEVICE_ATTR(intrusion1_alarm, 0644, show_alarm, - clear_caseopen, INTRUSION_ALARM_BASE + 1); -static SENSOR_DEVICE_ATTR(intrusion0_beep, 0644, show_beep, store_beep, INTRUSION_ALARM_BASE); -static SENSOR_DEVICE_ATTR(intrusion1_beep, 0644, show_beep, store_beep, INTRUSION_ALARM_BASE + 1); -static SENSOR_DEVICE_ATTR(beep_enable, 0644, show_beep, store_beep, BEEP_ENABLE_BASE); - -static umode_t nct6775_other_is_visible(struct kobject *kobj, - struct attribute *attr, int index) -{ - struct device *dev = kobj_to_dev(kobj); - struct nct6775_data *data = dev_get_drvdata(dev); - - if (index == 0 && !data->have_vid) - return 0; - - if (index == 1 || index == 2) { - if (data->ALARM_BITS[INTRUSION_ALARM_BASE + index - 1] < 0) - return 0; - } - - if (index == 3 || index == 4) { - if (data->BEEP_BITS[INTRUSION_ALARM_BASE + index - 3] < 0) - return 0; - } - - return nct6775_attr_mode(data, attr); -} - -/* - * nct6775_other_is_visible uses the index into the following array - * to determine if attributes should be created or not. - * Any change in order or content must be matched. - */ -static struct attribute *nct6775_attributes_other[] = { - &dev_attr_cpu0_vid.attr, /* 0 */ - &sensor_dev_attr_intrusion0_alarm.dev_attr.attr, /* 1 */ - &sensor_dev_attr_intrusion1_alarm.dev_attr.attr, /* 2 */ - &sensor_dev_attr_intrusion0_beep.dev_attr.attr, /* 3 */ - &sensor_dev_attr_intrusion1_beep.dev_attr.attr, /* 4 */ - &sensor_dev_attr_beep_enable.dev_attr.attr, /* 5 */ - - NULL -}; - -static const struct attribute_group nct6775_group_other = { - .attrs = nct6775_attributes_other, - .is_visible = nct6775_other_is_visible, -}; - -static inline int nct6775_init_device(struct nct6775_data *data) -{ - int i, err; - u16 tmp, diode; - - /* Start monitoring if needed */ - if (data->REG_CONFIG) { - err = nct6775_read_value(data, data->REG_CONFIG, &tmp); - if (err) - return err; - if (!(tmp & 0x01)) { - err = nct6775_write_value(data, data->REG_CONFIG, tmp | 0x01); - if (err) - return err; - } - } - - /* Enable temperature sensors if needed */ - for (i = 0; i < NUM_TEMP; i++) { - if (!(data->have_temp & BIT(i))) - continue; - if (!data->reg_temp_config[i]) - continue; - err = nct6775_read_value(data, data->reg_temp_config[i], &tmp); - if (err) - return err; - if (tmp & 0x01) { - err = nct6775_write_value(data, data->reg_temp_config[i], tmp & 0xfe); - if (err) - return err; - } - } - - /* Enable VBAT monitoring if needed */ - err = nct6775_read_value(data, data->REG_VBAT, &tmp); - if (err) - return err; - if (!(tmp & 0x01)) { - err = nct6775_write_value(data, data->REG_VBAT, tmp | 0x01); - if (err) - return err; - } - - err = nct6775_read_value(data, data->REG_DIODE, &diode); - if (err) - return err; - - for (i = 0; i < data->temp_fixed_num; i++) { - if (!(data->have_temp_fixed & BIT(i))) - continue; - if ((tmp & (data->DIODE_MASK << i))) /* diode */ - data->temp_type[i] - = 3 - ((diode >> i) & data->DIODE_MASK); - else /* thermistor */ - data->temp_type[i] = 4; - } - - return 0; -} - -static void -nct6775_check_fan_inputs(struct nct6775_data *data, struct nct6775_sio_data *sio_data) -{ - bool fan3pin = false, fan4pin = false, fan4min = false; - bool fan5pin = false, fan6pin = false, fan7pin = false; - bool pwm3pin = false, pwm4pin = false, pwm5pin = false; - bool pwm6pin = false, pwm7pin = false; - - /* Store SIO_REG_ENABLE for use during resume */ - sio_data->sio_select(sio_data, NCT6775_LD_HWM); - data->sio_reg_enable = sio_data->sio_inb(sio_data, SIO_REG_ENABLE); - - /* fan4 and fan5 share some pins with the GPIO and serial flash */ - if (data->kind == nct6775) { - int cr2c = sio_data->sio_inb(sio_data, 0x2c); - - fan3pin = cr2c & BIT(6); - pwm3pin = cr2c & BIT(7); - - /* On NCT6775, fan4 shares pins with the fdc interface */ - fan4pin = !(sio_data->sio_inb(sio_data, 0x2A) & 0x80); - } else if (data->kind == nct6776) { - bool gpok = sio_data->sio_inb(sio_data, 0x27) & 0x80; - const char *board_vendor, *board_name; - - board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR); - board_name = dmi_get_system_info(DMI_BOARD_NAME); - - if (board_name && board_vendor && - !strcmp(board_vendor, "ASRock")) { - /* - * Auxiliary fan monitoring is not enabled on ASRock - * Z77 Pro4-M if booted in UEFI Ultra-FastBoot mode. - * Observed with BIOS version 2.00. - */ - if (!strcmp(board_name, "Z77 Pro4-M")) { - if ((data->sio_reg_enable & 0xe0) != 0xe0) { - data->sio_reg_enable |= 0xe0; - sio_data->sio_outb(sio_data, SIO_REG_ENABLE, - data->sio_reg_enable); - } - } - } - - if (data->sio_reg_enable & 0x80) - fan3pin = gpok; - else - fan3pin = !(sio_data->sio_inb(sio_data, 0x24) & 0x40); - - if (data->sio_reg_enable & 0x40) - fan4pin = gpok; - else - fan4pin = sio_data->sio_inb(sio_data, 0x1C) & 0x01; - - if (data->sio_reg_enable & 0x20) - fan5pin = gpok; - else - fan5pin = sio_data->sio_inb(sio_data, 0x1C) & 0x02; - - fan4min = fan4pin; - pwm3pin = fan3pin; - } else if (data->kind == nct6106) { - int cr24 = sio_data->sio_inb(sio_data, 0x24); - - fan3pin = !(cr24 & 0x80); - pwm3pin = cr24 & 0x08; - } else if (data->kind == nct6116) { - int cr1a = sio_data->sio_inb(sio_data, 0x1a); - int cr1b = sio_data->sio_inb(sio_data, 0x1b); - int cr24 = sio_data->sio_inb(sio_data, 0x24); - int cr2a = sio_data->sio_inb(sio_data, 0x2a); - int cr2b = sio_data->sio_inb(sio_data, 0x2b); - int cr2f = sio_data->sio_inb(sio_data, 0x2f); - - fan3pin = !(cr2b & 0x10); - fan4pin = (cr2b & 0x80) || // pin 1(2) - (!(cr2f & 0x10) && (cr1a & 0x04)); // pin 65(66) - fan5pin = (cr2b & 0x80) || // pin 126(127) - (!(cr1b & 0x03) && (cr2a & 0x02)); // pin 94(96) - - pwm3pin = fan3pin && (cr24 & 0x08); - pwm4pin = fan4pin; - pwm5pin = fan5pin; - } else { - /* - * NCT6779D, NCT6791D, NCT6792D, NCT6793D, NCT6795D, NCT6796D, - * NCT6797D, NCT6798D - */ - int cr1a = sio_data->sio_inb(sio_data, 0x1a); - int cr1b = sio_data->sio_inb(sio_data, 0x1b); - int cr1c = sio_data->sio_inb(sio_data, 0x1c); - int cr1d = sio_data->sio_inb(sio_data, 0x1d); - int cr2a = sio_data->sio_inb(sio_data, 0x2a); - int cr2b = sio_data->sio_inb(sio_data, 0x2b); - int cr2d = sio_data->sio_inb(sio_data, 0x2d); - int cr2f = sio_data->sio_inb(sio_data, 0x2f); - bool dsw_en = cr2f & BIT(3); - bool ddr4_en = cr2f & BIT(4); - int cre0; - int creb; - int cred; - - sio_data->sio_select(sio_data, NCT6775_LD_12); - cre0 = sio_data->sio_inb(sio_data, 0xe0); - creb = sio_data->sio_inb(sio_data, 0xeb); - cred = sio_data->sio_inb(sio_data, 0xed); - - fan3pin = !(cr1c & BIT(5)); - fan4pin = !(cr1c & BIT(6)); - fan5pin = !(cr1c & BIT(7)); - - pwm3pin = !(cr1c & BIT(0)); - pwm4pin = !(cr1c & BIT(1)); - pwm5pin = !(cr1c & BIT(2)); - - switch (data->kind) { - case nct6791: - fan6pin = cr2d & BIT(1); - pwm6pin = cr2d & BIT(0); - break; - case nct6792: - fan6pin = !dsw_en && (cr2d & BIT(1)); - pwm6pin = !dsw_en && (cr2d & BIT(0)); - break; - case nct6793: - fan5pin |= cr1b & BIT(5); - fan5pin |= creb & BIT(5); - - fan6pin = !dsw_en && (cr2d & BIT(1)); - fan6pin |= creb & BIT(3); - - pwm5pin |= cr2d & BIT(7); - pwm5pin |= (creb & BIT(4)) && !(cr2a & BIT(0)); - - pwm6pin = !dsw_en && (cr2d & BIT(0)); - pwm6pin |= creb & BIT(2); - break; - case nct6795: - fan5pin |= cr1b & BIT(5); - fan5pin |= creb & BIT(5); - - fan6pin = (cr2a & BIT(4)) && - (!dsw_en || (cred & BIT(4))); - fan6pin |= creb & BIT(3); - - pwm5pin |= cr2d & BIT(7); - pwm5pin |= (creb & BIT(4)) && !(cr2a & BIT(0)); - - pwm6pin = (cr2a & BIT(3)) && (cred & BIT(2)); - pwm6pin |= creb & BIT(2); - break; - case nct6796: - fan5pin |= cr1b & BIT(5); - fan5pin |= (cre0 & BIT(3)) && !(cr1b & BIT(0)); - fan5pin |= creb & BIT(5); - - fan6pin = (cr2a & BIT(4)) && - (!dsw_en || (cred & BIT(4))); - fan6pin |= creb & BIT(3); - - fan7pin = !(cr2b & BIT(2)); - - pwm5pin |= cr2d & BIT(7); - pwm5pin |= (cre0 & BIT(4)) && !(cr1b & BIT(0)); - pwm5pin |= (creb & BIT(4)) && !(cr2a & BIT(0)); - - pwm6pin = (cr2a & BIT(3)) && (cred & BIT(2)); - pwm6pin |= creb & BIT(2); - - pwm7pin = !(cr1d & (BIT(2) | BIT(3))); - break; - case nct6797: - fan5pin |= !ddr4_en && (cr1b & BIT(5)); - fan5pin |= creb & BIT(5); - - fan6pin = cr2a & BIT(4); - fan6pin |= creb & BIT(3); - - fan7pin = cr1a & BIT(1); - - pwm5pin |= (creb & BIT(4)) && !(cr2a & BIT(0)); - pwm5pin |= !ddr4_en && (cr2d & BIT(7)); - - pwm6pin = creb & BIT(2); - pwm6pin |= cred & BIT(2); - - pwm7pin = cr1d & BIT(4); - break; - case nct6798: - fan6pin = !(cr1b & BIT(0)) && (cre0 & BIT(3)); - fan6pin |= cr2a & BIT(4); - fan6pin |= creb & BIT(5); - - fan7pin = cr1b & BIT(5); - fan7pin |= !(cr2b & BIT(2)); - fan7pin |= creb & BIT(3); - - pwm6pin = !(cr1b & BIT(0)) && (cre0 & BIT(4)); - pwm6pin |= !(cred & BIT(2)) && (cr2a & BIT(3)); - pwm6pin |= (creb & BIT(4)) && !(cr2a & BIT(0)); - - pwm7pin = !(cr1d & (BIT(2) | BIT(3))); - pwm7pin |= cr2d & BIT(7); - pwm7pin |= creb & BIT(2); - break; - default: /* NCT6779D */ - break; - } - - fan4min = fan4pin; - } - - /* fan 1 and 2 (0x03) are always present */ - data->has_fan = 0x03 | (fan3pin << 2) | (fan4pin << 3) | - (fan5pin << 4) | (fan6pin << 5) | (fan7pin << 6); - data->has_fan_min = 0x03 | (fan3pin << 2) | (fan4min << 3) | - (fan5pin << 4) | (fan6pin << 5) | (fan7pin << 6); - data->has_pwm = 0x03 | (pwm3pin << 2) | (pwm4pin << 3) | - (pwm5pin << 4) | (pwm6pin << 5) | (pwm7pin << 6); -} - -static int add_temp_sensors(struct nct6775_data *data, const u16 *regp, - int *available, int *mask) -{ - int i, err; - u16 src; - - for (i = 0; i < data->pwm_num && *available; i++) { - int index; - - if (!regp[i]) - continue; - err = nct6775_read_value(data, regp[i], &src); - if (err) - return err; - src &= 0x1f; - if (!src || (*mask & BIT(src))) - continue; - if (!(data->temp_mask & BIT(src))) - continue; - - index = __ffs(*available); - err = nct6775_write_value(data, data->REG_TEMP_SOURCE[index], src); - if (err) - return err; - *available &= ~BIT(index); - *mask |= BIT(src); - } - - return 0; -} - -static const struct regmap_config nct6775_regmap_config = { - .reg_bits = 16, - .val_bits = 16, - .reg_read = nct6775_reg_read, - .reg_write = nct6775_reg_write, -}; - -static const struct regmap_config nct6775_wmi_regmap_config = { - .reg_bits = 16, - .val_bits = 16, - .reg_read = nct6775_wmi_reg_read, - .reg_write = nct6775_wmi_reg_write, -}; - -static int nct6775_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct nct6775_sio_data *sio_data = dev_get_platdata(dev); - struct nct6775_data *data; - struct resource *res; - int i, s, err = 0; - int mask, available; - u16 src; - const u16 *reg_temp, *reg_temp_over, *reg_temp_hyst, *reg_temp_config; - const u16 *reg_temp_mon, *reg_temp_alternate, *reg_temp_crit; - const u16 *reg_temp_crit_l = NULL, *reg_temp_crit_h = NULL; - int num_reg_temp, num_reg_temp_mon, num_reg_tsi_temp; - u8 cr2a; - struct device *hwmon_dev; - struct sensor_template_group tsi_temp_tg; - const struct regmap_config *regmapcfg; - - if (sio_data->access == access_direct) { - 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->sio_data = sio_data; - - if (sio_data->access == access_direct) { - data->addr = res->start; - regmapcfg = &nct6775_regmap_config; - } else { - regmapcfg = &nct6775_wmi_regmap_config; - } - - data->regmap = devm_regmap_init(dev, NULL, data, regmapcfg); - if (IS_ERR(data->regmap)) - return PTR_ERR(data->regmap); - - mutex_init(&data->update_lock); - data->name = nct6775_device_names[data->kind]; - data->bank = 0xff; /* Force initial bank selection */ - platform_set_drvdata(pdev, data); - - switch (data->kind) { - case nct6106: - data->in_num = 9; - data->pwm_num = 3; - data->auto_pwm_num = 4; - data->temp_fixed_num = 3; - data->num_temp_alarms = 6; - data->num_temp_beeps = 6; - - data->fan_from_reg = fan_from_reg13; - data->fan_from_reg_min = fan_from_reg13; - - data->temp_label = nct6776_temp_label; - data->temp_mask = NCT6776_TEMP_MASK; - data->virt_temp_mask = NCT6776_VIRT_TEMP_MASK; - - data->REG_VBAT = NCT6106_REG_VBAT; - data->REG_DIODE = NCT6106_REG_DIODE; - data->DIODE_MASK = NCT6106_DIODE_MASK; - data->REG_VIN = NCT6106_REG_IN; - data->REG_IN_MINMAX[0] = NCT6106_REG_IN_MIN; - data->REG_IN_MINMAX[1] = NCT6106_REG_IN_MAX; - data->REG_TARGET = NCT6106_REG_TARGET; - data->REG_FAN = NCT6106_REG_FAN; - data->REG_FAN_MODE = NCT6106_REG_FAN_MODE; - data->REG_FAN_MIN = NCT6106_REG_FAN_MIN; - data->REG_FAN_PULSES = NCT6106_REG_FAN_PULSES; - data->FAN_PULSE_SHIFT = NCT6106_FAN_PULSE_SHIFT; - data->REG_FAN_TIME[0] = NCT6106_REG_FAN_STOP_TIME; - data->REG_FAN_TIME[1] = NCT6106_REG_FAN_STEP_UP_TIME; - data->REG_FAN_TIME[2] = NCT6106_REG_FAN_STEP_DOWN_TIME; - data->REG_TOLERANCE_H = NCT6106_REG_TOLERANCE_H; - data->REG_PWM[0] = NCT6116_REG_PWM; - data->REG_PWM[1] = NCT6106_REG_FAN_START_OUTPUT; - data->REG_PWM[2] = NCT6106_REG_FAN_STOP_OUTPUT; - data->REG_PWM[5] = NCT6106_REG_WEIGHT_DUTY_STEP; - data->REG_PWM[6] = NCT6106_REG_WEIGHT_DUTY_BASE; - data->REG_PWM_READ = NCT6106_REG_PWM_READ; - data->REG_PWM_MODE = NCT6106_REG_PWM_MODE; - data->PWM_MODE_MASK = NCT6106_PWM_MODE_MASK; - data->REG_AUTO_TEMP = NCT6106_REG_AUTO_TEMP; - data->REG_AUTO_PWM = NCT6106_REG_AUTO_PWM; - data->REG_CRITICAL_TEMP = NCT6106_REG_CRITICAL_TEMP; - data->REG_CRITICAL_TEMP_TOLERANCE - = NCT6106_REG_CRITICAL_TEMP_TOLERANCE; - data->REG_CRITICAL_PWM_ENABLE = NCT6106_REG_CRITICAL_PWM_ENABLE; - data->CRITICAL_PWM_ENABLE_MASK - = NCT6106_CRITICAL_PWM_ENABLE_MASK; - data->REG_CRITICAL_PWM = NCT6106_REG_CRITICAL_PWM; - data->REG_TEMP_OFFSET = NCT6106_REG_TEMP_OFFSET; - data->REG_TEMP_SOURCE = NCT6106_REG_TEMP_SOURCE; - data->REG_TEMP_SEL = NCT6116_REG_TEMP_SEL; - data->REG_WEIGHT_TEMP_SEL = NCT6106_REG_WEIGHT_TEMP_SEL; - data->REG_WEIGHT_TEMP[0] = NCT6106_REG_WEIGHT_TEMP_STEP; - data->REG_WEIGHT_TEMP[1] = NCT6106_REG_WEIGHT_TEMP_STEP_TOL; - data->REG_WEIGHT_TEMP[2] = NCT6106_REG_WEIGHT_TEMP_BASE; - data->REG_ALARM = NCT6106_REG_ALARM; - data->ALARM_BITS = NCT6106_ALARM_BITS; - data->REG_BEEP = NCT6106_REG_BEEP; - data->BEEP_BITS = NCT6106_BEEP_BITS; - data->REG_TSI_TEMP = NCT6106_REG_TSI_TEMP; - - reg_temp = NCT6106_REG_TEMP; - reg_temp_mon = NCT6106_REG_TEMP_MON; - num_reg_temp = ARRAY_SIZE(NCT6106_REG_TEMP); - num_reg_temp_mon = ARRAY_SIZE(NCT6106_REG_TEMP_MON); - num_reg_tsi_temp = ARRAY_SIZE(NCT6106_REG_TSI_TEMP); - reg_temp_over = NCT6106_REG_TEMP_OVER; - reg_temp_hyst = NCT6106_REG_TEMP_HYST; - reg_temp_config = NCT6106_REG_TEMP_CONFIG; - reg_temp_alternate = NCT6106_REG_TEMP_ALTERNATE; - reg_temp_crit = NCT6106_REG_TEMP_CRIT; - reg_temp_crit_l = NCT6106_REG_TEMP_CRIT_L; - reg_temp_crit_h = NCT6106_REG_TEMP_CRIT_H; - - break; - case nct6116: - data->in_num = 9; - data->pwm_num = 3; - data->auto_pwm_num = 4; - data->temp_fixed_num = 3; - data->num_temp_alarms = 3; - data->num_temp_beeps = 3; - - data->fan_from_reg = fan_from_reg13; - data->fan_from_reg_min = fan_from_reg13; - - data->temp_label = nct6776_temp_label; - data->temp_mask = NCT6776_TEMP_MASK; - data->virt_temp_mask = NCT6776_VIRT_TEMP_MASK; - - data->REG_VBAT = NCT6106_REG_VBAT; - data->REG_DIODE = NCT6106_REG_DIODE; - data->DIODE_MASK = NCT6106_DIODE_MASK; - data->REG_VIN = NCT6106_REG_IN; - data->REG_IN_MINMAX[0] = NCT6106_REG_IN_MIN; - data->REG_IN_MINMAX[1] = NCT6106_REG_IN_MAX; - data->REG_TARGET = NCT6116_REG_TARGET; - data->REG_FAN = NCT6116_REG_FAN; - data->REG_FAN_MODE = NCT6116_REG_FAN_MODE; - data->REG_FAN_MIN = NCT6116_REG_FAN_MIN; - data->REG_FAN_PULSES = NCT6116_REG_FAN_PULSES; - data->FAN_PULSE_SHIFT = NCT6116_FAN_PULSE_SHIFT; - data->REG_FAN_TIME[0] = NCT6116_REG_FAN_STOP_TIME; - data->REG_FAN_TIME[1] = NCT6116_REG_FAN_STEP_UP_TIME; - data->REG_FAN_TIME[2] = NCT6116_REG_FAN_STEP_DOWN_TIME; - data->REG_TOLERANCE_H = NCT6116_REG_TOLERANCE_H; - data->REG_PWM[0] = NCT6116_REG_PWM; - data->REG_PWM[1] = NCT6116_REG_FAN_START_OUTPUT; - data->REG_PWM[2] = NCT6116_REG_FAN_STOP_OUTPUT; - data->REG_PWM[5] = NCT6106_REG_WEIGHT_DUTY_STEP; - data->REG_PWM[6] = NCT6106_REG_WEIGHT_DUTY_BASE; - data->REG_PWM_READ = NCT6106_REG_PWM_READ; - data->REG_PWM_MODE = NCT6106_REG_PWM_MODE; - data->PWM_MODE_MASK = NCT6106_PWM_MODE_MASK; - data->REG_AUTO_TEMP = NCT6116_REG_AUTO_TEMP; - data->REG_AUTO_PWM = NCT6116_REG_AUTO_PWM; - data->REG_CRITICAL_TEMP = NCT6116_REG_CRITICAL_TEMP; - data->REG_CRITICAL_TEMP_TOLERANCE - = NCT6116_REG_CRITICAL_TEMP_TOLERANCE; - data->REG_CRITICAL_PWM_ENABLE = NCT6116_REG_CRITICAL_PWM_ENABLE; - data->CRITICAL_PWM_ENABLE_MASK - = NCT6106_CRITICAL_PWM_ENABLE_MASK; - data->REG_CRITICAL_PWM = NCT6116_REG_CRITICAL_PWM; - data->REG_TEMP_OFFSET = NCT6106_REG_TEMP_OFFSET; - data->REG_TEMP_SOURCE = NCT6116_REG_TEMP_SOURCE; - data->REG_TEMP_SEL = NCT6116_REG_TEMP_SEL; - data->REG_WEIGHT_TEMP_SEL = NCT6106_REG_WEIGHT_TEMP_SEL; - data->REG_WEIGHT_TEMP[0] = NCT6106_REG_WEIGHT_TEMP_STEP; - data->REG_WEIGHT_TEMP[1] = NCT6106_REG_WEIGHT_TEMP_STEP_TOL; - data->REG_WEIGHT_TEMP[2] = NCT6106_REG_WEIGHT_TEMP_BASE; - data->REG_ALARM = NCT6106_REG_ALARM; - data->ALARM_BITS = NCT6116_ALARM_BITS; - data->REG_BEEP = NCT6106_REG_BEEP; - data->BEEP_BITS = NCT6116_BEEP_BITS; - data->REG_TSI_TEMP = NCT6116_REG_TSI_TEMP; - - reg_temp = NCT6106_REG_TEMP; - reg_temp_mon = NCT6106_REG_TEMP_MON; - num_reg_temp = ARRAY_SIZE(NCT6106_REG_TEMP); - num_reg_temp_mon = ARRAY_SIZE(NCT6106_REG_TEMP_MON); - num_reg_tsi_temp = ARRAY_SIZE(NCT6116_REG_TSI_TEMP); - reg_temp_over = NCT6106_REG_TEMP_OVER; - reg_temp_hyst = NCT6106_REG_TEMP_HYST; - reg_temp_config = NCT6106_REG_TEMP_CONFIG; - reg_temp_alternate = NCT6106_REG_TEMP_ALTERNATE; - reg_temp_crit = NCT6106_REG_TEMP_CRIT; - reg_temp_crit_l = NCT6106_REG_TEMP_CRIT_L; - reg_temp_crit_h = NCT6106_REG_TEMP_CRIT_H; - - break; - case nct6775: - data->in_num = 9; - data->pwm_num = 3; - data->auto_pwm_num = 6; - data->has_fan_div = true; - data->temp_fixed_num = 3; - data->num_temp_alarms = 3; - data->num_temp_beeps = 3; - - data->ALARM_BITS = NCT6775_ALARM_BITS; - data->BEEP_BITS = NCT6775_BEEP_BITS; - - data->fan_from_reg = fan_from_reg16; - data->fan_from_reg_min = fan_from_reg8; - data->target_temp_mask = 0x7f; - data->tolerance_mask = 0x0f; - data->speed_tolerance_limit = 15; - - data->temp_label = nct6775_temp_label; - data->temp_mask = NCT6775_TEMP_MASK; - data->virt_temp_mask = NCT6775_VIRT_TEMP_MASK; - - data->REG_CONFIG = NCT6775_REG_CONFIG; - data->REG_VBAT = NCT6775_REG_VBAT; - data->REG_DIODE = NCT6775_REG_DIODE; - data->DIODE_MASK = NCT6775_DIODE_MASK; - data->REG_VIN = NCT6775_REG_IN; - data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; - data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; - data->REG_TARGET = NCT6775_REG_TARGET; - data->REG_FAN = NCT6775_REG_FAN; - data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; - data->REG_FAN_MIN = NCT6775_REG_FAN_MIN; - data->REG_FAN_PULSES = NCT6775_REG_FAN_PULSES; - data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT; - data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; - data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME; - data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME; - data->REG_PWM[0] = NCT6775_REG_PWM; - data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; - data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; - data->REG_PWM[3] = NCT6775_REG_FAN_MAX_OUTPUT; - data->REG_PWM[4] = NCT6775_REG_FAN_STEP_OUTPUT; - data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; - data->REG_PWM_READ = NCT6775_REG_PWM_READ; - data->REG_PWM_MODE = NCT6775_REG_PWM_MODE; - data->PWM_MODE_MASK = NCT6775_PWM_MODE_MASK; - data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; - data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; - data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; - data->REG_CRITICAL_TEMP_TOLERANCE - = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; - data->REG_TEMP_OFFSET = NCT6775_REG_TEMP_OFFSET; - data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; - data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; - data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; - data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; - data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; - data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; - data->REG_ALARM = NCT6775_REG_ALARM; - data->REG_BEEP = NCT6775_REG_BEEP; - data->REG_TSI_TEMP = NCT6775_REG_TSI_TEMP; - - reg_temp = NCT6775_REG_TEMP; - reg_temp_mon = NCT6775_REG_TEMP_MON; - num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP); - num_reg_temp_mon = ARRAY_SIZE(NCT6775_REG_TEMP_MON); - num_reg_tsi_temp = ARRAY_SIZE(NCT6775_REG_TSI_TEMP); - reg_temp_over = NCT6775_REG_TEMP_OVER; - reg_temp_hyst = NCT6775_REG_TEMP_HYST; - reg_temp_config = NCT6775_REG_TEMP_CONFIG; - reg_temp_alternate = NCT6775_REG_TEMP_ALTERNATE; - reg_temp_crit = NCT6775_REG_TEMP_CRIT; - - break; - case nct6776: - data->in_num = 9; - data->pwm_num = 3; - data->auto_pwm_num = 4; - data->has_fan_div = false; - data->temp_fixed_num = 3; - data->num_temp_alarms = 3; - data->num_temp_beeps = 6; - - data->ALARM_BITS = NCT6776_ALARM_BITS; - data->BEEP_BITS = NCT6776_BEEP_BITS; - - data->fan_from_reg = fan_from_reg13; - data->fan_from_reg_min = fan_from_reg13; - data->target_temp_mask = 0xff; - data->tolerance_mask = 0x07; - data->speed_tolerance_limit = 63; - - data->temp_label = nct6776_temp_label; - data->temp_mask = NCT6776_TEMP_MASK; - data->virt_temp_mask = NCT6776_VIRT_TEMP_MASK; - - data->REG_CONFIG = NCT6775_REG_CONFIG; - data->REG_VBAT = NCT6775_REG_VBAT; - data->REG_DIODE = NCT6775_REG_DIODE; - data->DIODE_MASK = NCT6775_DIODE_MASK; - data->REG_VIN = NCT6775_REG_IN; - data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; - data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; - data->REG_TARGET = NCT6775_REG_TARGET; - data->REG_FAN = NCT6775_REG_FAN; - data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; - data->REG_FAN_MIN = NCT6776_REG_FAN_MIN; - data->REG_FAN_PULSES = NCT6776_REG_FAN_PULSES; - data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT; - data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; - data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME; - data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME; - data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H; - data->REG_PWM[0] = NCT6775_REG_PWM; - data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; - data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; - data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; - data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE; - data->REG_PWM_READ = NCT6775_REG_PWM_READ; - data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; - data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; - data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; - data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; - data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; - data->REG_CRITICAL_TEMP_TOLERANCE - = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; - data->REG_TEMP_OFFSET = NCT6775_REG_TEMP_OFFSET; - data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; - data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; - data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; - data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; - data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; - data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; - data->REG_ALARM = NCT6775_REG_ALARM; - data->REG_BEEP = NCT6776_REG_BEEP; - data->REG_TSI_TEMP = NCT6776_REG_TSI_TEMP; - - reg_temp = NCT6775_REG_TEMP; - reg_temp_mon = NCT6775_REG_TEMP_MON; - num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP); - num_reg_temp_mon = ARRAY_SIZE(NCT6775_REG_TEMP_MON); - num_reg_tsi_temp = ARRAY_SIZE(NCT6776_REG_TSI_TEMP); - reg_temp_over = NCT6775_REG_TEMP_OVER; - reg_temp_hyst = NCT6775_REG_TEMP_HYST; - reg_temp_config = NCT6776_REG_TEMP_CONFIG; - reg_temp_alternate = NCT6776_REG_TEMP_ALTERNATE; - reg_temp_crit = NCT6776_REG_TEMP_CRIT; - - break; - case nct6779: - data->in_num = 15; - data->pwm_num = 5; - data->auto_pwm_num = 4; - data->has_fan_div = false; - data->temp_fixed_num = 6; - data->num_temp_alarms = 2; - data->num_temp_beeps = 2; - - data->ALARM_BITS = NCT6779_ALARM_BITS; - data->BEEP_BITS = NCT6779_BEEP_BITS; - - data->fan_from_reg = fan_from_reg_rpm; - data->fan_from_reg_min = fan_from_reg13; - data->target_temp_mask = 0xff; - data->tolerance_mask = 0x07; - data->speed_tolerance_limit = 63; - - data->temp_label = nct6779_temp_label; - data->temp_mask = NCT6779_TEMP_MASK; - data->virt_temp_mask = NCT6779_VIRT_TEMP_MASK; - - data->REG_CONFIG = NCT6775_REG_CONFIG; - data->REG_VBAT = NCT6775_REG_VBAT; - data->REG_DIODE = NCT6775_REG_DIODE; - data->DIODE_MASK = NCT6775_DIODE_MASK; - data->REG_VIN = NCT6779_REG_IN; - data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; - data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; - data->REG_TARGET = NCT6775_REG_TARGET; - data->REG_FAN = NCT6779_REG_FAN; - data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; - data->REG_FAN_MIN = NCT6776_REG_FAN_MIN; - data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES; - data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT; - data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; - data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME; - data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME; - data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H; - data->REG_PWM[0] = NCT6775_REG_PWM; - data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; - data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; - data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; - data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE; - data->REG_PWM_READ = NCT6775_REG_PWM_READ; - data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; - data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; - data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; - data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; - data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; - data->REG_CRITICAL_TEMP_TOLERANCE - = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; - data->REG_CRITICAL_PWM_ENABLE = NCT6779_REG_CRITICAL_PWM_ENABLE; - data->CRITICAL_PWM_ENABLE_MASK - = NCT6779_CRITICAL_PWM_ENABLE_MASK; - data->REG_CRITICAL_PWM = NCT6779_REG_CRITICAL_PWM; - data->REG_TEMP_OFFSET = NCT6779_REG_TEMP_OFFSET; - data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; - data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; - data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; - data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; - data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; - data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; - data->REG_ALARM = NCT6779_REG_ALARM; - data->REG_BEEP = NCT6776_REG_BEEP; - data->REG_TSI_TEMP = NCT6776_REG_TSI_TEMP; - - reg_temp = NCT6779_REG_TEMP; - reg_temp_mon = NCT6779_REG_TEMP_MON; - num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP); - num_reg_temp_mon = ARRAY_SIZE(NCT6779_REG_TEMP_MON); - num_reg_tsi_temp = ARRAY_SIZE(NCT6776_REG_TSI_TEMP); - reg_temp_over = NCT6779_REG_TEMP_OVER; - reg_temp_hyst = NCT6779_REG_TEMP_HYST; - reg_temp_config = NCT6779_REG_TEMP_CONFIG; - reg_temp_alternate = NCT6779_REG_TEMP_ALTERNATE; - reg_temp_crit = NCT6779_REG_TEMP_CRIT; - - break; - case nct6791: - case nct6792: - case nct6793: - case nct6795: - case nct6796: - case nct6797: - case nct6798: - data->in_num = 15; - data->pwm_num = (data->kind == nct6796 || - data->kind == nct6797 || - data->kind == nct6798) ? 7 : 6; - data->auto_pwm_num = 4; - data->has_fan_div = false; - data->temp_fixed_num = 6; - data->num_temp_alarms = 2; - data->num_temp_beeps = 2; - - data->ALARM_BITS = NCT6791_ALARM_BITS; - data->BEEP_BITS = NCT6779_BEEP_BITS; - - data->fan_from_reg = fan_from_reg_rpm; - data->fan_from_reg_min = fan_from_reg13; - data->target_temp_mask = 0xff; - data->tolerance_mask = 0x07; - data->speed_tolerance_limit = 63; - - switch (data->kind) { - default: - case nct6791: - data->temp_label = nct6779_temp_label; - data->temp_mask = NCT6791_TEMP_MASK; - data->virt_temp_mask = NCT6791_VIRT_TEMP_MASK; - break; - case nct6792: - data->temp_label = nct6792_temp_label; - data->temp_mask = NCT6792_TEMP_MASK; - data->virt_temp_mask = NCT6792_VIRT_TEMP_MASK; - break; - case nct6793: - data->temp_label = nct6793_temp_label; - data->temp_mask = NCT6793_TEMP_MASK; - data->virt_temp_mask = NCT6793_VIRT_TEMP_MASK; - break; - case nct6795: - case nct6797: - data->temp_label = nct6795_temp_label; - data->temp_mask = NCT6795_TEMP_MASK; - data->virt_temp_mask = NCT6795_VIRT_TEMP_MASK; - break; - case nct6796: - data->temp_label = nct6796_temp_label; - data->temp_mask = NCT6796_TEMP_MASK; - data->virt_temp_mask = NCT6796_VIRT_TEMP_MASK; - break; - case nct6798: - data->temp_label = nct6798_temp_label; - data->temp_mask = NCT6798_TEMP_MASK; - data->virt_temp_mask = NCT6798_VIRT_TEMP_MASK; - break; - } - - data->REG_CONFIG = NCT6775_REG_CONFIG; - data->REG_VBAT = NCT6775_REG_VBAT; - data->REG_DIODE = NCT6775_REG_DIODE; - data->DIODE_MASK = NCT6775_DIODE_MASK; - data->REG_VIN = NCT6779_REG_IN; - data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; - data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; - data->REG_TARGET = NCT6775_REG_TARGET; - data->REG_FAN = NCT6779_REG_FAN; - data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; - data->REG_FAN_MIN = NCT6776_REG_FAN_MIN; - data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES; - data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT; - data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; - data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME; - data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME; - data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H; - data->REG_PWM[0] = NCT6775_REG_PWM; - data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; - data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; - data->REG_PWM[5] = NCT6791_REG_WEIGHT_DUTY_STEP; - data->REG_PWM[6] = NCT6791_REG_WEIGHT_DUTY_BASE; - data->REG_PWM_READ = NCT6775_REG_PWM_READ; - data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; - data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; - data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; - data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; - data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; - data->REG_CRITICAL_TEMP_TOLERANCE - = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; - data->REG_CRITICAL_PWM_ENABLE = NCT6779_REG_CRITICAL_PWM_ENABLE; - data->CRITICAL_PWM_ENABLE_MASK - = NCT6779_CRITICAL_PWM_ENABLE_MASK; - data->REG_CRITICAL_PWM = NCT6779_REG_CRITICAL_PWM; - data->REG_TEMP_OFFSET = NCT6779_REG_TEMP_OFFSET; - data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; - data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; - data->REG_WEIGHT_TEMP_SEL = NCT6791_REG_WEIGHT_TEMP_SEL; - data->REG_WEIGHT_TEMP[0] = NCT6791_REG_WEIGHT_TEMP_STEP; - data->REG_WEIGHT_TEMP[1] = NCT6791_REG_WEIGHT_TEMP_STEP_TOL; - data->REG_WEIGHT_TEMP[2] = NCT6791_REG_WEIGHT_TEMP_BASE; - data->REG_ALARM = NCT6791_REG_ALARM; - if (data->kind == nct6791) - data->REG_BEEP = NCT6776_REG_BEEP; - else - data->REG_BEEP = NCT6792_REG_BEEP; - switch (data->kind) { - case nct6791: - case nct6792: - case nct6793: - data->REG_TSI_TEMP = NCT6776_REG_TSI_TEMP; - num_reg_tsi_temp = ARRAY_SIZE(NCT6776_REG_TSI_TEMP); - break; - case nct6795: - case nct6796: - case nct6797: - case nct6798: - data->REG_TSI_TEMP = NCT6796_REG_TSI_TEMP; - num_reg_tsi_temp = ARRAY_SIZE(NCT6796_REG_TSI_TEMP); - break; - default: - num_reg_tsi_temp = 0; - break; - } - - reg_temp = NCT6779_REG_TEMP; - num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP); - if (data->kind == nct6791) { - reg_temp_mon = NCT6779_REG_TEMP_MON; - num_reg_temp_mon = ARRAY_SIZE(NCT6779_REG_TEMP_MON); - } else { - reg_temp_mon = NCT6792_REG_TEMP_MON; - num_reg_temp_mon = ARRAY_SIZE(NCT6792_REG_TEMP_MON); - } - reg_temp_over = NCT6779_REG_TEMP_OVER; - reg_temp_hyst = NCT6779_REG_TEMP_HYST; - reg_temp_config = NCT6779_REG_TEMP_CONFIG; - reg_temp_alternate = NCT6779_REG_TEMP_ALTERNATE; - reg_temp_crit = NCT6779_REG_TEMP_CRIT; - - break; - default: - return -ENODEV; - } - data->have_in = BIT(data->in_num) - 1; - data->have_temp = 0; - - /* - * On some boards, not all available temperature sources are monitored, - * even though some of the monitoring registers are unused. - * Get list of unused monitoring registers, then detect if any fan - * controls are configured to use unmonitored temperature sources. - * If so, assign the unmonitored temperature sources to available - * monitoring registers. - */ - mask = 0; - available = 0; - for (i = 0; i < num_reg_temp; i++) { - if (reg_temp[i] == 0) - continue; - - err = nct6775_read_value(data, data->REG_TEMP_SOURCE[i], &src); - if (err) - return err; - src &= 0x1f; - if (!src || (mask & BIT(src))) - available |= BIT(i); - - mask |= BIT(src); - } - - /* - * Now find unmonitored temperature registers and enable monitoring - * if additional monitoring registers are available. - */ - err = add_temp_sensors(data, data->REG_TEMP_SEL, &available, &mask); - if (err) - return err; - err = add_temp_sensors(data, data->REG_WEIGHT_TEMP_SEL, &available, &mask); - if (err) - return err; - - mask = 0; - s = NUM_TEMP_FIXED; /* First dynamic temperature attribute */ - for (i = 0; i < num_reg_temp; i++) { - if (reg_temp[i] == 0) - continue; - - err = nct6775_read_value(data, data->REG_TEMP_SOURCE[i], &src); - if (err) - return err; - src &= 0x1f; - if (!src || (mask & BIT(src))) - continue; - - if (!(data->temp_mask & BIT(src))) { - dev_info(dev, - "Invalid temperature source %d at index %d, source register 0x%x, temp register 0x%x\n", - src, i, data->REG_TEMP_SOURCE[i], reg_temp[i]); - continue; - } - - mask |= BIT(src); - - /* Use fixed index for SYSTIN(1), CPUTIN(2), AUXTIN(3) */ - if (src <= data->temp_fixed_num) { - data->have_temp |= BIT(src - 1); - data->have_temp_fixed |= BIT(src - 1); - data->reg_temp[0][src - 1] = reg_temp[i]; - data->reg_temp[1][src - 1] = reg_temp_over[i]; - data->reg_temp[2][src - 1] = reg_temp_hyst[i]; - if (reg_temp_crit_h && reg_temp_crit_h[i]) - data->reg_temp[3][src - 1] = reg_temp_crit_h[i]; - else if (reg_temp_crit[src - 1]) - data->reg_temp[3][src - 1] - = reg_temp_crit[src - 1]; - if (reg_temp_crit_l && reg_temp_crit_l[i]) - data->reg_temp[4][src - 1] = reg_temp_crit_l[i]; - data->reg_temp_config[src - 1] = reg_temp_config[i]; - data->temp_src[src - 1] = src; - continue; - } - - if (s >= NUM_TEMP) - continue; - - /* Use dynamic index for other sources */ - data->have_temp |= BIT(s); - data->reg_temp[0][s] = reg_temp[i]; - data->reg_temp[1][s] = reg_temp_over[i]; - data->reg_temp[2][s] = reg_temp_hyst[i]; - data->reg_temp_config[s] = reg_temp_config[i]; - if (reg_temp_crit_h && reg_temp_crit_h[i]) - data->reg_temp[3][s] = reg_temp_crit_h[i]; - else if (reg_temp_crit[src - 1]) - data->reg_temp[3][s] = reg_temp_crit[src - 1]; - if (reg_temp_crit_l && reg_temp_crit_l[i]) - data->reg_temp[4][s] = reg_temp_crit_l[i]; - - data->temp_src[s] = src; - s++; - } - - /* - * Repeat with temperatures used for fan control. - * This set of registers does not support limits. - */ - for (i = 0; i < num_reg_temp_mon; i++) { - if (reg_temp_mon[i] == 0) - continue; - - err = nct6775_read_value(data, data->REG_TEMP_SEL[i], &src); - if (err) - return err; - src &= 0x1f; - if (!src) - continue; - - if (!(data->temp_mask & BIT(src))) { - dev_info(dev, - "Invalid temperature source %d at index %d, source register 0x%x, temp register 0x%x\n", - src, i, data->REG_TEMP_SEL[i], - reg_temp_mon[i]); - continue; - } - - /* - * For virtual temperature sources, the 'virtual' temperature - * for each fan reflects a different temperature, and there - * are no duplicates. - */ - if (!(data->virt_temp_mask & BIT(src))) { - if (mask & BIT(src)) - continue; - mask |= BIT(src); - } - - /* Use fixed index for SYSTIN(1), CPUTIN(2), AUXTIN(3) */ - if (src <= data->temp_fixed_num) { - if (data->have_temp & BIT(src - 1)) - continue; - data->have_temp |= BIT(src - 1); - data->have_temp_fixed |= BIT(src - 1); - data->reg_temp[0][src - 1] = reg_temp_mon[i]; - data->temp_src[src - 1] = src; - continue; - } - - if (s >= NUM_TEMP) - continue; - - /* Use dynamic index for other sources */ - data->have_temp |= BIT(s); - data->reg_temp[0][s] = reg_temp_mon[i]; - data->temp_src[s] = src; - s++; - } - -#ifdef USE_ALTERNATE - /* - * Go through the list of alternate temp registers and enable - * if possible. - * The temperature is already monitored if the respective bit in <mask> - * is set. - */ - for (i = 0; i < 31; i++) { - if (!(data->temp_mask & BIT(i + 1))) - continue; - if (!reg_temp_alternate[i]) - continue; - if (mask & BIT(i + 1)) - continue; - if (i < data->temp_fixed_num) { - if (data->have_temp & BIT(i)) - continue; - data->have_temp |= BIT(i); - data->have_temp_fixed |= BIT(i); - data->reg_temp[0][i] = reg_temp_alternate[i]; - if (i < num_reg_temp) { - data->reg_temp[1][i] = reg_temp_over[i]; - data->reg_temp[2][i] = reg_temp_hyst[i]; - } - data->temp_src[i] = i + 1; - continue; - } - - if (s >= NUM_TEMP) /* Abort if no more space */ - break; - - data->have_temp |= BIT(s); - data->reg_temp[0][s] = reg_temp_alternate[i]; - data->temp_src[s] = i + 1; - s++; - } -#endif /* USE_ALTERNATE */ - - /* Check which TSIx_TEMP registers are active */ - for (i = 0; i < num_reg_tsi_temp; i++) { - u16 tmp; - - err = nct6775_read_value(data, data->REG_TSI_TEMP[i], &tmp); - if (err) - return err; - if (tmp) - data->have_tsi_temp |= BIT(i); - } - - /* Initialize the chip */ - err = nct6775_init_device(data); - if (err) - return err; - - err = sio_data->sio_enter(sio_data); - if (err) - return err; - - cr2a = sio_data->sio_inb(sio_data, 0x2a); - switch (data->kind) { - case nct6775: - data->have_vid = (cr2a & 0x40); - break; - case nct6776: - data->have_vid = (cr2a & 0x60) == 0x40; - break; - case nct6106: - case nct6116: - case nct6779: - case nct6791: - case nct6792: - case nct6793: - case nct6795: - case nct6796: - case nct6797: - case nct6798: - break; - } - - /* - * Read VID value - * We can get the VID input values directly at logical device D 0xe3. - */ - if (data->have_vid) { - sio_data->sio_select(sio_data, NCT6775_LD_VID); - data->vid = sio_data->sio_inb(sio_data, 0xe3); - data->vrm = vid_which_vrm(); - } - - if (fan_debounce) { - u8 tmp; - - sio_data->sio_select(sio_data, NCT6775_LD_HWM); - tmp = sio_data->sio_inb(sio_data, - NCT6775_REG_CR_FAN_DEBOUNCE); - switch (data->kind) { - case nct6106: - case nct6116: - tmp |= 0xe0; - break; - case nct6775: - tmp |= 0x1e; - break; - case nct6776: - case nct6779: - tmp |= 0x3e; - break; - case nct6791: - case nct6792: - case nct6793: - case nct6795: - case nct6796: - case nct6797: - case nct6798: - tmp |= 0x7e; - break; - } - sio_data->sio_outb(sio_data, NCT6775_REG_CR_FAN_DEBOUNCE, - tmp); - dev_info(&pdev->dev, "Enabled fan debounce for chip %s\n", - data->name); - } - - nct6775_check_fan_inputs(data, sio_data); - - sio_data->sio_exit(sio_data); - - /* Read fan clock dividers immediately */ - err = nct6775_init_fan_common(dev, data); - if (err) - return err; - - /* Register sysfs hooks */ - err = nct6775_add_template_attr_group(dev, data, &nct6775_pwm_template_group, - data->pwm_num); - if (err) - return err; - - err = nct6775_add_template_attr_group(dev, data, &nct6775_in_template_group, - fls(data->have_in)); - if (err) - return err; - - err = nct6775_add_template_attr_group(dev, data, &nct6775_fan_template_group, - fls(data->has_fan)); - if (err) - return err; - - err = nct6775_add_template_attr_group(dev, data, &nct6775_temp_template_group, - fls(data->have_temp)); - if (err) - return err; - - if (data->have_tsi_temp) { - tsi_temp_tg.templates = nct6775_tsi_temp_template; - tsi_temp_tg.is_visible = nct6775_tsi_temp_is_visible; - tsi_temp_tg.base = fls(data->have_temp) + 1; - err = nct6775_add_template_attr_group(dev, data, &tsi_temp_tg, - fls(data->have_tsi_temp)); - if (err) - return err; - } - - err = nct6775_add_attr_group(data, &nct6775_group_other); - if (err) - return err; - - hwmon_dev = devm_hwmon_device_register_with_groups(dev, data->name, - data, data->groups); - return PTR_ERR_OR_ZERO(hwmon_dev); -} - -static void nct6791_enable_io_mapping(struct nct6775_sio_data *sio_data) -{ - int val; - - val = sio_data->sio_inb(sio_data, NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE); - if (val & 0x10) { - pr_info("Enabling hardware monitor logical device mappings.\n"); - sio_data->sio_outb(sio_data, NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE, - val & ~0x10); - } -} - -static int __maybe_unused nct6775_suspend(struct device *dev) -{ - int err; - u16 tmp; - struct nct6775_data *data = nct6775_update_device(dev); - - if (IS_ERR(data)) - return PTR_ERR(data); - - mutex_lock(&data->update_lock); - err = nct6775_read_value(data, data->REG_VBAT, &tmp); - if (err) - goto out; - data->vbat = tmp; - if (data->kind == nct6775) { - err = nct6775_read_value(data, NCT6775_REG_FANDIV1, &tmp); - if (err) - goto out; - data->fandiv1 = tmp; - - err = nct6775_read_value(data, NCT6775_REG_FANDIV2, &tmp); - if (err) - goto out; - data->fandiv2 = tmp; - } -out: - mutex_unlock(&data->update_lock); - - return err; -} - -static int __maybe_unused nct6775_resume(struct device *dev) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - struct nct6775_sio_data *sio_data = dev_get_platdata(dev); - int i, j, err = 0; - u8 reg; - - mutex_lock(&data->update_lock); - data->bank = 0xff; /* Force initial bank selection */ - - err = sio_data->sio_enter(sio_data); - if (err) - goto abort; - - sio_data->sio_select(sio_data, NCT6775_LD_HWM); - reg = sio_data->sio_inb(sio_data, SIO_REG_ENABLE); - if (reg != data->sio_reg_enable) - sio_data->sio_outb(sio_data, SIO_REG_ENABLE, data->sio_reg_enable); - - if (data->kind == nct6791 || data->kind == nct6792 || - data->kind == nct6793 || data->kind == nct6795 || - data->kind == nct6796 || data->kind == nct6797 || - data->kind == nct6798) - nct6791_enable_io_mapping(sio_data); - - sio_data->sio_exit(sio_data); - - /* Restore limits */ - for (i = 0; i < data->in_num; i++) { - if (!(data->have_in & BIT(i))) - continue; - - err = nct6775_write_value(data, data->REG_IN_MINMAX[0][i], data->in[i][1]); - if (err) - goto abort; - err = nct6775_write_value(data, data->REG_IN_MINMAX[1][i], data->in[i][2]); - if (err) - goto abort; - } - - for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) { - if (!(data->has_fan_min & BIT(i))) - continue; - - err = nct6775_write_value(data, data->REG_FAN_MIN[i], data->fan_min[i]); - if (err) - goto abort; - } - - for (i = 0; i < NUM_TEMP; i++) { - if (!(data->have_temp & BIT(i))) - continue; - - for (j = 1; j < ARRAY_SIZE(data->reg_temp); j++) - if (data->reg_temp[j][i]) { - err = nct6775_write_temp(data, data->reg_temp[j][i], - data->temp[j][i]); - if (err) - goto abort; - } - } - - /* Restore other settings */ - err = nct6775_write_value(data, data->REG_VBAT, data->vbat); - if (err) - goto abort; - if (data->kind == nct6775) { - err = nct6775_write_value(data, NCT6775_REG_FANDIV1, data->fandiv1); - if (err) - goto abort; - err = nct6775_write_value(data, NCT6775_REG_FANDIV2, data->fandiv2); - } - -abort: - /* Force re-reading all values */ - data->valid = false; - mutex_unlock(&data->update_lock); - - return err; -} - -static SIMPLE_DEV_PM_OPS(nct6775_dev_pm_ops, nct6775_suspend, nct6775_resume); - -static struct platform_driver nct6775_driver = { - .driver = { - .name = DRVNAME, - .pm = &nct6775_dev_pm_ops, - }, - .probe = nct6775_probe, -}; - -/* nct6775_find() looks for a '627 in the Super-I/O config space */ -static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data) -{ - u16 val; - int err; - int addr; - - sio_data->access = access_direct; - sio_data->sioreg = sioaddr; - - err = sio_data->sio_enter(sio_data); - if (err) - return err; - - val = (sio_data->sio_inb(sio_data, SIO_REG_DEVID) << 8) | - sio_data->sio_inb(sio_data, SIO_REG_DEVID + 1); - if (force_id && val != 0xffff) - val = force_id; - - switch (val & SIO_ID_MASK) { - case SIO_NCT6106_ID: - sio_data->kind = nct6106; - break; - case SIO_NCT6116_ID: - sio_data->kind = nct6116; - break; - 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; - case SIO_NCT6791_ID: - sio_data->kind = nct6791; - break; - case SIO_NCT6792_ID: - sio_data->kind = nct6792; - break; - case SIO_NCT6793_ID: - sio_data->kind = nct6793; - break; - case SIO_NCT6795_ID: - sio_data->kind = nct6795; - break; - case SIO_NCT6796_ID: - sio_data->kind = nct6796; - break; - case SIO_NCT6797_ID: - sio_data->kind = nct6797; - break; - case SIO_NCT6798_ID: - sio_data->kind = nct6798; - break; - default: - if (val != 0xffff) - pr_debug("unsupported chip ID: 0x%04x\n", val); - sio_data->sio_exit(sio_data); - return -ENODEV; - } - - /* We have a known chip, find the HWM I/O address */ - sio_data->sio_select(sio_data, NCT6775_LD_HWM); - val = (sio_data->sio_inb(sio_data, SIO_REG_ADDR) << 8) - | sio_data->sio_inb(sio_data, 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"); - sio_data->sio_exit(sio_data); - return -ENODEV; - } - - /* Activate logical device if needed */ - val = sio_data->sio_inb(sio_data, SIO_REG_ENABLE); - if (!(val & 0x01)) { - pr_warn("Forcibly enabling Super-I/O. Sensor is probably unusable.\n"); - sio_data->sio_outb(sio_data, SIO_REG_ENABLE, val | 0x01); - } - - if (sio_data->kind == nct6791 || sio_data->kind == nct6792 || - sio_data->kind == nct6793 || sio_data->kind == nct6795 || - sio_data->kind == nct6796 || sio_data->kind == nct6797 || - sio_data->kind == nct6798) - nct6791_enable_io_mapping(sio_data); - - sio_data->sio_exit(sio_data); - pr_info("Found %s or compatible chip at %#x:%#x\n", - nct6775_sio_names[sio_data->kind], sioaddr, addr); - - return addr; -} - -/* - * 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 use platform_device_alloc(), we - * must keep track of the device - */ -static struct platform_device *pdev[2]; - -static const char * const asus_wmi_boards[] = { - "ProArt X570-CREATOR WIFI", - "Pro B550M-C", - "Pro WS X570-ACE", - "PRIME B360-PLUS", - "PRIME B460-PLUS", - "PRIME B550-PLUS", - "PRIME B550M-A", - "PRIME B550M-A (WI-FI)", - "PRIME X570-P", - "PRIME X570-PRO", - "ROG CROSSHAIR VIII DARK HERO", - "ROG CROSSHAIR VIII FORMULA", - "ROG CROSSHAIR VIII HERO", - "ROG CROSSHAIR VIII IMPACT", - "ROG STRIX B550-A GAMING", - "ROG STRIX B550-E GAMING", - "ROG STRIX B550-F GAMING", - "ROG STRIX B550-F GAMING (WI-FI)", - "ROG STRIX B550-F GAMING WIFI II", - "ROG STRIX B550-I GAMING", - "ROG STRIX B550-XE GAMING (WI-FI)", - "ROG STRIX X570-E GAMING", - "ROG STRIX X570-F GAMING", - "ROG STRIX X570-I GAMING", - "ROG STRIX Z390-E GAMING", - "ROG STRIX Z390-F GAMING", - "ROG STRIX Z390-H GAMING", - "ROG STRIX Z390-I GAMING", - "ROG STRIX Z490-A GAMING", - "ROG STRIX Z490-E GAMING", - "ROG STRIX Z490-F GAMING", - "ROG STRIX Z490-G GAMING", - "ROG STRIX Z490-G GAMING (WI-FI)", - "ROG STRIX Z490-H GAMING", - "ROG STRIX Z490-I GAMING", - "TUF GAMING B550M-PLUS", - "TUF GAMING B550M-PLUS (WI-FI)", - "TUF GAMING B550-PLUS", - "TUF GAMING B550-PRO", - "TUF GAMING X570-PLUS", - "TUF GAMING X570-PLUS (WI-FI)", - "TUF GAMING X570-PRO (WI-FI)", - "TUF GAMING Z490-PLUS", - "TUF GAMING Z490-PLUS (WI-FI)", -}; - -static int __init sensors_nct6775_init(void) -{ - int i, err; - bool found = false; - int address; - struct resource res; - struct nct6775_sio_data sio_data; - int sioaddr[2] = { 0x2e, 0x4e }; - enum sensor_access access = access_direct; - const char *board_vendor, *board_name; - u8 tmp; - - err = platform_driver_register(&nct6775_driver); - if (err) - return err; - - board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR); - board_name = dmi_get_system_info(DMI_BOARD_NAME); - - if (board_name && board_vendor && - !strcmp(board_vendor, "ASUSTeK COMPUTER INC.")) { - err = match_string(asus_wmi_boards, ARRAY_SIZE(asus_wmi_boards), - board_name); - if (err >= 0) { - /* if reading chip id via WMI succeeds, use WMI */ - if (!nct6775_asuswmi_read(0, NCT6775_PORT_CHIPID, &tmp) && tmp) { - pr_info("Using Asus WMI to access %#x chip.\n", tmp); - access = access_asuswmi; - } else { - pr_err("Can't read ChipID by Asus WMI.\n"); - } - } - } - - /* - * 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() - */ - for (i = 0; i < ARRAY_SIZE(pdev); i++) { - sio_data.sio_outb = superio_outb; - sio_data.sio_inb = superio_inb; - sio_data.sio_select = superio_select; - sio_data.sio_enter = superio_enter; - sio_data.sio_exit = superio_exit; - - address = nct6775_find(sioaddr[i], &sio_data); - if (address <= 0) - continue; - - found = true; - - sio_data.access = access; - - if (access == access_asuswmi) { - sio_data.sio_outb = superio_wmi_outb; - sio_data.sio_inb = superio_wmi_inb; - sio_data.sio_select = superio_wmi_select; - sio_data.sio_enter = superio_wmi_enter; - sio_data.sio_exit = superio_wmi_exit; - } - - pdev[i] = platform_device_alloc(DRVNAME, address); - if (!pdev[i]) { - err = -ENOMEM; - goto exit_device_unregister; - } - - err = platform_device_add_data(pdev[i], &sio_data, - sizeof(struct nct6775_sio_data)); - if (err) - goto exit_device_put; - - if (sio_data.access == access_direct) { - 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) { - platform_device_put(pdev[i]); - pdev[i] = NULL; - continue; - } - - err = platform_device_add_resources(pdev[i], &res, 1); - if (err) - goto exit_device_put; - } - - /* platform_device_add calls probe() */ - err = platform_device_add(pdev[i]); - if (err) - goto exit_device_put; - } - if (!found) { - err = -ENODEV; - goto exit_unregister; - } - - return 0; - -exit_device_put: - platform_device_put(pdev[i]); -exit_device_unregister: - while (--i >= 0) { - if (pdev[i]) - platform_device_unregister(pdev[i]); - } -exit_unregister: - platform_driver_unregister(&nct6775_driver); - return err; -} - -static void __exit sensors_nct6775_exit(void) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(pdev); i++) { - if (pdev[i]) - platform_device_unregister(pdev[i]); - } - platform_driver_unregister(&nct6775_driver); -} - -MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>"); -MODULE_DESCRIPTION("Driver for NCT6775F and compatible chips"); -MODULE_LICENSE("GPL"); - -module_init(sensors_nct6775_init); -module_exit(sensors_nct6775_exit); |