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marcus.erl |
/*
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w83793.c - Linux kernel driver for hardware monitoring
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Copyright (C) 2006 Winbond Electronics Corp.
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Yuan Mu
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Rudolf Marek <r.marek@assembler.cz>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation - version 2.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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*/
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/*
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Supports following chips:
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Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
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w83793 10 12 8 6 0x7b 0x5ca3 yes no
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/i2c.h>
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#include <linux/hwmon.h>
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#include <linux/hwmon-vid.h>
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#include <linux/hwmon-sysfs.h>
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#include <linux/err.h>
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#include <linux/mutex.h>
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/* Addresses to scan */
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static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END };
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/* Insmod parameters */
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I2C_CLIENT_INSMOD_1(w83793);
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I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: "
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"{bus, clientaddr, subclientaddr1, subclientaddr2}");
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static int reset;
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module_param(reset, bool, 0);
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MODULE_PARM_DESC(reset, "Set to 1 to reset chip, not recommended");
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/*
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Address 0x00, 0x0d, 0x0e, 0x0f in all three banks are reserved
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as ID, Bank Select registers
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*/
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#define W83793_REG_BANKSEL 0x00
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#define W83793_REG_VENDORID 0x0d
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#define W83793_REG_CHIPID 0x0e
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#define W83793_REG_DEVICEID 0x0f
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#define W83793_REG_CONFIG 0x40
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#define W83793_REG_MFC 0x58
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#define W83793_REG_FANIN_CTRL 0x5c
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#define W83793_REG_FANIN_SEL 0x5d
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#define W83793_REG_I2C_ADDR 0x0b
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#define W83793_REG_I2C_SUBADDR 0x0c
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#define W83793_REG_VID_INA 0x05
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#define W83793_REG_VID_INB 0x06
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#define W83793_REG_VID_LATCHA 0x07
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#define W83793_REG_VID_LATCHB 0x08
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#define W83793_REG_VID_CTRL 0x59
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static u16 W83793_REG_TEMP_MODE[2] = { 0x5e, 0x5f };
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#define TEMP_READ 0
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#define TEMP_CRIT 1
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#define TEMP_CRIT_HYST 2
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#define TEMP_WARN 3
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#define TEMP_WARN_HYST 4
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/* only crit and crit_hyst affect real-time alarm status
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current crit crit_hyst warn warn_hyst */
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static u16 W83793_REG_TEMP[][5] = {
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{0x1c, 0x78, 0x79, 0x7a, 0x7b},
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{0x1d, 0x7c, 0x7d, 0x7e, 0x7f},
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{0x1e, 0x80, 0x81, 0x82, 0x83},
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{0x1f, 0x84, 0x85, 0x86, 0x87},
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{0x20, 0x88, 0x89, 0x8a, 0x8b},
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{0x21, 0x8c, 0x8d, 0x8e, 0x8f},
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};
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#define W83793_REG_TEMP_LOW_BITS 0x22
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#define W83793_REG_BEEP(index) (0x53 + (index))
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#define W83793_REG_ALARM(index) (0x4b + (index))
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#define W83793_REG_CLR_CHASSIS 0x4a /* SMI MASK4 */
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#define W83793_REG_IRQ_CTRL 0x50
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#define W83793_REG_OVT_CTRL 0x51
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#define W83793_REG_OVT_BEEP 0x52
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#define IN_READ 0
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#define IN_MAX 1
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#define IN_LOW 2
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static const u16 W83793_REG_IN[][3] = {
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/* Current, High, Low */
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{0x10, 0x60, 0x61}, /* Vcore A */
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{0x11, 0x62, 0x63}, /* Vcore B */
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{0x12, 0x64, 0x65}, /* Vtt */
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{0x14, 0x6a, 0x6b}, /* VSEN1 */
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{0x15, 0x6c, 0x6d}, /* VSEN2 */
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{0x16, 0x6e, 0x6f}, /* +3VSEN */
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{0x17, 0x70, 0x71}, /* +12VSEN */
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{0x18, 0x72, 0x73}, /* 5VDD */
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{0x19, 0x74, 0x75}, /* 5VSB */
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{0x1a, 0x76, 0x77}, /* VBAT */
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};
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/* Low Bits of Vcore A/B Vtt Read/High/Low */
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static const u16 W83793_REG_IN_LOW_BITS[] = { 0x1b, 0x68, 0x69 };
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static u8 scale_in[] = { 2, 2, 2, 16, 16, 16, 8, 24, 24, 16 };
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static u8 scale_in_add[] = { 0, 0, 0, 0, 0, 0, 0, 150, 150, 0 };
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#define W83793_REG_FAN(index) (0x23 + 2 * (index)) /* High byte */
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#define W83793_REG_FAN_MIN(index) (0x90 + 2 * (index)) /* High byte */
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#define W83793_REG_PWM_DEFAULT 0xb2
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#define W83793_REG_PWM_ENABLE 0x207
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#define W83793_REG_PWM_UPTIME 0xc3 /* Unit in 0.1 second */
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#define W83793_REG_PWM_DOWNTIME 0xc4 /* Unit in 0.1 second */
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#define W83793_REG_TEMP_CRITICAL 0xc5
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#define PWM_DUTY 0
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#define PWM_START 1
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#define PWM_NONSTOP 2
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#define W83793_REG_PWM(index, nr) (((nr) == 0 ? 0xb3 : \
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(nr) == 1 ? 0x220 : 0x218) + (index))
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/* bit field, fan1 is bit0, fan2 is bit1 ... */
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#define W83793_REG_TEMP_FAN_MAP(index) (0x201 + (index))
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#define W83793_REG_TEMP_TOL(index) (0x208 + (index))
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#define W83793_REG_TEMP_CRUISE(index) (0x210 + (index))
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#define W83793_REG_PWM_STOP_TIME(index) (0x228 + (index))
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#define W83793_REG_SF2_TEMP(index, nr) (0x230 + ((index) << 4) + (nr))
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#define W83793_REG_SF2_PWM(index, nr) (0x238 + ((index) << 4) + (nr))
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static inline unsigned long FAN_FROM_REG(u16 val)
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{
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if ((val >= 0xfff) || (val == 0))
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return 0;
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return (1350000UL / val);
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}
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static inline u16 FAN_TO_REG(long rpm)
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{
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if (rpm <= 0)
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return 0x0fff;
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return SENSORS_LIMIT((1350000 + (rpm >> 1)) / rpm, 1, 0xffe);
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}
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static inline unsigned long TIME_FROM_REG(u8 reg)
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{
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return (reg * 100);
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}
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static inline u8 TIME_TO_REG(unsigned long val)
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{
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return SENSORS_LIMIT((val + 50) / 100, 0, 0xff);
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}
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static inline long TEMP_FROM_REG(s8 reg)
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{
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return (reg * 1000);
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}
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static inline s8 TEMP_TO_REG(long val, s8 min, s8 max)
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{
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return SENSORS_LIMIT((val + (val < 0 ? -500 : 500)) / 1000, min, max);
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}
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struct w83793_data {
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struct i2c_client client;
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struct i2c_client *lm75[2];
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struct device *hwmon_dev;
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struct mutex update_lock;
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char valid; /* !=0 if following fields are valid */
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unsigned long last_updated; /* In jiffies */
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unsigned long last_nonvolatile; /* In jiffies, last time we update the
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nonvolatile registers */
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u8 bank;
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u8 vrm;
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u8 vid[2];
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u8 in[10][3]; /* Register value, read/high/low */
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u8 in_low_bits[3]; /* Additional resolution for VCore A/B Vtt */
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u16 has_fan; /* Only fan1- fan5 has own pins */
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u16 fan[12]; /* Register value combine */
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u16 fan_min[12]; /* Register value combine */
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s8 temp[6][5]; /* current, crit, crit_hyst,warn, warn_hyst */
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u8 temp_low_bits; /* Additional resolution TD1-TD4 */
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u8 temp_mode[2]; /* byte 0: Temp D1-D4 mode each has 2 bits
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byte 1: Temp R1,R2 mode, each has 1 bit */
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u8 temp_critical; /* If reached all fan will be at full speed */
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u8 temp_fan_map[6]; /* Temp controls which pwm fan, bit field */
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u8 has_pwm;
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u8 has_temp;
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u8 has_vid;
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u8 pwm_enable; /* Register value, each Temp has 1 bit */
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u8 pwm_uptime; /* Register value */
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u8 pwm_downtime; /* Register value */
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u8 pwm_default; /* All fan default pwm, next poweron valid */
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u8 pwm[8][3]; /* Register value */
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u8 pwm_stop_time[8];
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u8 temp_cruise[6];
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u8 alarms[5]; /* realtime status registers */
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u8 beeps[5];
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u8 beep_enable;
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u8 tolerance[3]; /* Temp tolerance(Smart Fan I/II) */
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u8 sf2_pwm[6][7]; /* Smart FanII: Fan duty cycle */
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u8 sf2_temp[6][7]; /* Smart FanII: Temp level point */
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};
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static u8 w83793_read_value(struct i2c_client *client, u16 reg);
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static int w83793_write_value(struct i2c_client *client, u16 reg, u8 value);
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static int w83793_attach_adapter(struct i2c_adapter *adapter);
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static int w83793_detect(struct i2c_adapter *adapter, int address, int kind);
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static int w83793_detach_client(struct i2c_client *client);
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static void w83793_init_client(struct i2c_client *client);
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static void w83793_update_nonvolatile(struct device *dev);
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static struct w83793_data *w83793_update_device(struct device *dev);
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| 234 |
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static struct i2c_driver w83793_driver = {
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.driver = {
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.name = "w83793",
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},
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.attach_adapter = w83793_attach_adapter,
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.detach_client = w83793_detach_client,
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};
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| 241 |
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| 242 |
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static ssize_t
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show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct i2c_client *client = to_i2c_client(dev);
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struct w83793_data *data = i2c_get_clientdata(client);
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| 248 |
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return sprintf(buf, "%d\n", data->vrm);
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}
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| 250 |
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| 251 |
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static ssize_t
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| 252 |
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show_vid(struct device *dev, struct device_attribute *attr, char *buf)
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| 253 |
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{
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| 254 |
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struct w83793_data *data = w83793_update_device(dev);
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| 255 |
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struct sensor_device_attribute_2 *sensor_attr =
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to_sensor_dev_attr_2(attr);
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| 257 |
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int index = sensor_attr->index;
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| 258 |
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| 259 |
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return sprintf(buf, "%d\n", vid_from_reg(data->vid[index], data->vrm));
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| 260 |
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}
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| 261 |
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| 262 |
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static ssize_t
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| 263 |
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store_vrm(struct device *dev, struct device_attribute *attr,
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| 264 |
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const char *buf, size_t count)
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| 265 |
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{
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| 266 |
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struct i2c_client *client = to_i2c_client(dev);
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struct w83793_data *data = i2c_get_clientdata(client);
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| 268 |
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| 269 |
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data->vrm = simple_strtoul(buf, NULL, 10);
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| 270 |
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return count;
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| 271 |
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}
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| 272 |
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| 273 |
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#define ALARM_STATUS 0
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| 274 |
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#define BEEP_ENABLE 1
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| 275 |
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static ssize_t
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| 276 |
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show_alarm_beep(struct device *dev, struct device_attribute *attr, char *buf)
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| 277 |
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{
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| 278 |
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struct w83793_data *data = w83793_update_device(dev);
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| 279 |
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struct sensor_device_attribute_2 *sensor_attr =
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| 280 |
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to_sensor_dev_attr_2(attr);
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| 281 |
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int nr = sensor_attr->nr;
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| 282 |
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int index = sensor_attr->index >> 3;
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| 283 |
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int bit = sensor_attr->index & 0x07;
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| 284 |
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u8 val;
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| 285 |
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| 286 |
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if (ALARM_STATUS == nr) {
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| 287 |
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val = (data->alarms[index] >> (bit)) & 1;
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| 288 |
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} else { /* BEEP_ENABLE */
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| 289 |
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val = (data->beeps[index] >> (bit)) & 1;
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| 290 |
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}
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| 291 |
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| 292 |
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return sprintf(buf, "%u\n", val);
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| 293 |
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}
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| 294 |
|
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| 295 |
|
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static ssize_t
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| 296 |
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store_beep(struct device *dev, struct device_attribute *attr,
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| 297 |
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const char *buf, size_t count)
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| 298 |
|
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{
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| 299 |
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struct i2c_client *client = to_i2c_client(dev);
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| 300 |
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struct w83793_data *data = i2c_get_clientdata(client);
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| 301 |
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struct sensor_device_attribute_2 *sensor_attr =
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| 302 |
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to_sensor_dev_attr_2(attr);
|
| 303 |
|
|
int index = sensor_attr->index >> 3;
|
| 304 |
|
|
int shift = sensor_attr->index & 0x07;
|
| 305 |
|
|
u8 beep_bit = 1 << shift;
|
| 306 |
|
|
u8 val;
|
| 307 |
|
|
|
| 308 |
|
|
val = simple_strtoul(buf, NULL, 10);
|
| 309 |
|
|
if (val != 0 && val != 1)
|
| 310 |
|
|
return -EINVAL;
|
| 311 |
|
|
|
| 312 |
|
|
mutex_lock(&data->update_lock);
|
| 313 |
|
|
data->beeps[index] = w83793_read_value(client, W83793_REG_BEEP(index));
|
| 314 |
|
|
data->beeps[index] &= ~beep_bit;
|
| 315 |
|
|
data->beeps[index] |= val << shift;
|
| 316 |
|
|
w83793_write_value(client, W83793_REG_BEEP(index), data->beeps[index]);
|
| 317 |
|
|
mutex_unlock(&data->update_lock);
|
| 318 |
|
|
|
| 319 |
|
|
return count;
|
| 320 |
|
|
}
|
| 321 |
|
|
|
| 322 |
|
|
static ssize_t
|
| 323 |
|
|
show_beep_enable(struct device *dev, struct device_attribute *attr, char *buf)
|
| 324 |
|
|
{
|
| 325 |
|
|
struct w83793_data *data = w83793_update_device(dev);
|
| 326 |
|
|
return sprintf(buf, "%u\n", (data->beep_enable >> 1) & 0x01);
|
| 327 |
|
|
}
|
| 328 |
|
|
|
| 329 |
|
|
static ssize_t
|
| 330 |
|
|
store_beep_enable(struct device *dev, struct device_attribute *attr,
|
| 331 |
|
|
const char *buf, size_t count)
|
| 332 |
|
|
{
|
| 333 |
|
|
struct i2c_client *client = to_i2c_client(dev);
|
| 334 |
|
|
struct w83793_data *data = i2c_get_clientdata(client);
|
| 335 |
|
|
u8 val = simple_strtoul(buf, NULL, 10);
|
| 336 |
|
|
|
| 337 |
|
|
if (val != 0 && val != 1)
|
| 338 |
|
|
return -EINVAL;
|
| 339 |
|
|
|
| 340 |
|
|
mutex_lock(&data->update_lock);
|
| 341 |
|
|
data->beep_enable = w83793_read_value(client, W83793_REG_OVT_BEEP)
|
| 342 |
|
|
& 0xfd;
|
| 343 |
|
|
data->beep_enable |= val << 1;
|
| 344 |
|
|
w83793_write_value(client, W83793_REG_OVT_BEEP, data->beep_enable);
|
| 345 |
|
|
mutex_unlock(&data->update_lock);
|
| 346 |
|
|
|
| 347 |
|
|
return count;
|
| 348 |
|
|
}
|
| 349 |
|
|
|
| 350 |
|
|
/* Write any value to clear chassis alarm */
|
| 351 |
|
|
static ssize_t
|
| 352 |
|
|
store_chassis_clear(struct device *dev,
|
| 353 |
|
|
struct device_attribute *attr, const char *buf,
|
| 354 |
|
|
size_t count)
|
| 355 |
|
|
{
|
| 356 |
|
|
struct i2c_client *client = to_i2c_client(dev);
|
| 357 |
|
|
struct w83793_data *data = i2c_get_clientdata(client);
|
| 358 |
|
|
u8 val;
|
| 359 |
|
|
|
| 360 |
|
|
mutex_lock(&data->update_lock);
|
| 361 |
|
|
val = w83793_read_value(client, W83793_REG_CLR_CHASSIS);
|
| 362 |
|
|
val |= 0x80;
|
| 363 |
|
|
w83793_write_value(client, W83793_REG_CLR_CHASSIS, val);
|
| 364 |
|
|
mutex_unlock(&data->update_lock);
|
| 365 |
|
|
return count;
|
| 366 |
|
|
}
|
| 367 |
|
|
|
| 368 |
|
|
#define FAN_INPUT 0
|
| 369 |
|
|
#define FAN_MIN 1
|
| 370 |
|
|
static ssize_t
|
| 371 |
|
|
show_fan(struct device *dev, struct device_attribute *attr, char *buf)
|
| 372 |
|
|
{
|
| 373 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 374 |
|
|
to_sensor_dev_attr_2(attr);
|
| 375 |
|
|
int nr = sensor_attr->nr;
|
| 376 |
|
|
int index = sensor_attr->index;
|
| 377 |
|
|
struct w83793_data *data = w83793_update_device(dev);
|
| 378 |
|
|
u16 val;
|
| 379 |
|
|
|
| 380 |
|
|
if (FAN_INPUT == nr) {
|
| 381 |
|
|
val = data->fan[index] & 0x0fff;
|
| 382 |
|
|
} else {
|
| 383 |
|
|
val = data->fan_min[index] & 0x0fff;
|
| 384 |
|
|
}
|
| 385 |
|
|
|
| 386 |
|
|
return sprintf(buf, "%lu\n", FAN_FROM_REG(val));
|
| 387 |
|
|
}
|
| 388 |
|
|
|
| 389 |
|
|
static ssize_t
|
| 390 |
|
|
store_fan_min(struct device *dev, struct device_attribute *attr,
|
| 391 |
|
|
const char *buf, size_t count)
|
| 392 |
|
|
{
|
| 393 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 394 |
|
|
to_sensor_dev_attr_2(attr);
|
| 395 |
|
|
int index = sensor_attr->index;
|
| 396 |
|
|
struct i2c_client *client = to_i2c_client(dev);
|
| 397 |
|
|
struct w83793_data *data = i2c_get_clientdata(client);
|
| 398 |
|
|
u16 val = FAN_TO_REG(simple_strtoul(buf, NULL, 10));
|
| 399 |
|
|
|
| 400 |
|
|
mutex_lock(&data->update_lock);
|
| 401 |
|
|
data->fan_min[index] = val;
|
| 402 |
|
|
w83793_write_value(client, W83793_REG_FAN_MIN(index),
|
| 403 |
|
|
(val >> 8) & 0xff);
|
| 404 |
|
|
w83793_write_value(client, W83793_REG_FAN_MIN(index) + 1, val & 0xff);
|
| 405 |
|
|
mutex_unlock(&data->update_lock);
|
| 406 |
|
|
|
| 407 |
|
|
return count;
|
| 408 |
|
|
}
|
| 409 |
|
|
|
| 410 |
|
|
#define PWM_DUTY 0
|
| 411 |
|
|
#define PWM_START 1
|
| 412 |
|
|
#define PWM_NONSTOP 2
|
| 413 |
|
|
#define PWM_STOP_TIME 3
|
| 414 |
|
|
static ssize_t
|
| 415 |
|
|
show_pwm(struct device *dev, struct device_attribute *attr, char *buf)
|
| 416 |
|
|
{
|
| 417 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 418 |
|
|
to_sensor_dev_attr_2(attr);
|
| 419 |
|
|
struct w83793_data *data = w83793_update_device(dev);
|
| 420 |
|
|
u16 val;
|
| 421 |
|
|
int nr = sensor_attr->nr;
|
| 422 |
|
|
int index = sensor_attr->index;
|
| 423 |
|
|
|
| 424 |
|
|
if (PWM_STOP_TIME == nr)
|
| 425 |
|
|
val = TIME_FROM_REG(data->pwm_stop_time[index]);
|
| 426 |
|
|
else
|
| 427 |
|
|
val = (data->pwm[index][nr] & 0x3f) << 2;
|
| 428 |
|
|
|
| 429 |
|
|
return sprintf(buf, "%d\n", val);
|
| 430 |
|
|
}
|
| 431 |
|
|
|
| 432 |
|
|
static ssize_t
|
| 433 |
|
|
store_pwm(struct device *dev, struct device_attribute *attr,
|
| 434 |
|
|
const char *buf, size_t count)
|
| 435 |
|
|
{
|
| 436 |
|
|
struct i2c_client *client = to_i2c_client(dev);
|
| 437 |
|
|
struct w83793_data *data = i2c_get_clientdata(client);
|
| 438 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 439 |
|
|
to_sensor_dev_attr_2(attr);
|
| 440 |
|
|
int nr = sensor_attr->nr;
|
| 441 |
|
|
int index = sensor_attr->index;
|
| 442 |
|
|
u8 val;
|
| 443 |
|
|
|
| 444 |
|
|
mutex_lock(&data->update_lock);
|
| 445 |
|
|
if (PWM_STOP_TIME == nr) {
|
| 446 |
|
|
val = TIME_TO_REG(simple_strtoul(buf, NULL, 10));
|
| 447 |
|
|
data->pwm_stop_time[index] = val;
|
| 448 |
|
|
w83793_write_value(client, W83793_REG_PWM_STOP_TIME(index),
|
| 449 |
|
|
val);
|
| 450 |
|
|
} else {
|
| 451 |
|
|
val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 0xff)
|
| 452 |
|
|
>> 2;
|
| 453 |
|
|
data->pwm[index][nr] =
|
| 454 |
|
|
w83793_read_value(client, W83793_REG_PWM(index, nr)) & 0xc0;
|
| 455 |
|
|
data->pwm[index][nr] |= val;
|
| 456 |
|
|
w83793_write_value(client, W83793_REG_PWM(index, nr),
|
| 457 |
|
|
data->pwm[index][nr]);
|
| 458 |
|
|
}
|
| 459 |
|
|
|
| 460 |
|
|
mutex_unlock(&data->update_lock);
|
| 461 |
|
|
return count;
|
| 462 |
|
|
}
|
| 463 |
|
|
|
| 464 |
|
|
static ssize_t
|
| 465 |
|
|
show_temp(struct device *dev, struct device_attribute *attr, char *buf)
|
| 466 |
|
|
{
|
| 467 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 468 |
|
|
to_sensor_dev_attr_2(attr);
|
| 469 |
|
|
int nr = sensor_attr->nr;
|
| 470 |
|
|
int index = sensor_attr->index;
|
| 471 |
|
|
struct w83793_data *data = w83793_update_device(dev);
|
| 472 |
|
|
long temp = TEMP_FROM_REG(data->temp[index][nr]);
|
| 473 |
|
|
|
| 474 |
|
|
if (TEMP_READ == nr && index < 4) { /* Only TD1-TD4 have low bits */
|
| 475 |
|
|
int low = ((data->temp_low_bits >> (index * 2)) & 0x03) * 250;
|
| 476 |
|
|
temp += temp > 0 ? low : -low;
|
| 477 |
|
|
}
|
| 478 |
|
|
return sprintf(buf, "%ld\n", temp);
|
| 479 |
|
|
}
|
| 480 |
|
|
|
| 481 |
|
|
static ssize_t
|
| 482 |
|
|
store_temp(struct device *dev, struct device_attribute *attr,
|
| 483 |
|
|
const char *buf, size_t count)
|
| 484 |
|
|
{
|
| 485 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 486 |
|
|
to_sensor_dev_attr_2(attr);
|
| 487 |
|
|
int nr = sensor_attr->nr;
|
| 488 |
|
|
int index = sensor_attr->index;
|
| 489 |
|
|
struct i2c_client *client = to_i2c_client(dev);
|
| 490 |
|
|
struct w83793_data *data = i2c_get_clientdata(client);
|
| 491 |
|
|
long tmp = simple_strtol(buf, NULL, 10);
|
| 492 |
|
|
|
| 493 |
|
|
mutex_lock(&data->update_lock);
|
| 494 |
|
|
data->temp[index][nr] = TEMP_TO_REG(tmp, -128, 127);
|
| 495 |
|
|
w83793_write_value(client, W83793_REG_TEMP[index][nr],
|
| 496 |
|
|
data->temp[index][nr]);
|
| 497 |
|
|
mutex_unlock(&data->update_lock);
|
| 498 |
|
|
return count;
|
| 499 |
|
|
}
|
| 500 |
|
|
|
| 501 |
|
|
/*
|
| 502 |
|
|
TD1-TD4
|
| 503 |
|
|
each has 4 mode:(2 bits)
|
| 504 |
|
|
0: Stop monitor
|
| 505 |
|
|
1: Use internal temp sensor(default)
|
| 506 |
|
|
2: Reserved
|
| 507 |
|
|
3: Use sensor in Intel CPU and get result by PECI
|
| 508 |
|
|
|
| 509 |
|
|
TR1-TR2
|
| 510 |
|
|
each has 2 mode:(1 bit)
|
| 511 |
|
|
0: Disable temp sensor monitor
|
| 512 |
|
|
1: To enable temp sensors monitor
|
| 513 |
|
|
*/
|
| 514 |
|
|
|
| 515 |
|
|
/* 0 disable, 6 PECI */
|
| 516 |
|
|
static u8 TO_TEMP_MODE[] = { 0, 0, 0, 6 };
|
| 517 |
|
|
|
| 518 |
|
|
static ssize_t
|
| 519 |
|
|
show_temp_mode(struct device *dev, struct device_attribute *attr, char *buf)
|
| 520 |
|
|
{
|
| 521 |
|
|
struct w83793_data *data = w83793_update_device(dev);
|
| 522 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 523 |
|
|
to_sensor_dev_attr_2(attr);
|
| 524 |
|
|
int index = sensor_attr->index;
|
| 525 |
|
|
u8 mask = (index < 4) ? 0x03 : 0x01;
|
| 526 |
|
|
u8 shift = (index < 4) ? (2 * index) : (index - 4);
|
| 527 |
|
|
u8 tmp;
|
| 528 |
|
|
index = (index < 4) ? 0 : 1;
|
| 529 |
|
|
|
| 530 |
|
|
tmp = (data->temp_mode[index] >> shift) & mask;
|
| 531 |
|
|
|
| 532 |
|
|
/* for the internal sensor, found out if diode or thermistor */
|
| 533 |
|
|
if (tmp == 1) {
|
| 534 |
|
|
tmp = index == 0 ? 3 : 4;
|
| 535 |
|
|
} else {
|
| 536 |
|
|
tmp = TO_TEMP_MODE[tmp];
|
| 537 |
|
|
}
|
| 538 |
|
|
|
| 539 |
|
|
return sprintf(buf, "%d\n", tmp);
|
| 540 |
|
|
}
|
| 541 |
|
|
|
| 542 |
|
|
static ssize_t
|
| 543 |
|
|
store_temp_mode(struct device *dev, struct device_attribute *attr,
|
| 544 |
|
|
const char *buf, size_t count)
|
| 545 |
|
|
{
|
| 546 |
|
|
struct i2c_client *client = to_i2c_client(dev);
|
| 547 |
|
|
struct w83793_data *data = i2c_get_clientdata(client);
|
| 548 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 549 |
|
|
to_sensor_dev_attr_2(attr);
|
| 550 |
|
|
int index = sensor_attr->index;
|
| 551 |
|
|
u8 mask = (index < 4) ? 0x03 : 0x01;
|
| 552 |
|
|
u8 shift = (index < 4) ? (2 * index) : (index - 4);
|
| 553 |
|
|
u8 val = simple_strtoul(buf, NULL, 10);
|
| 554 |
|
|
|
| 555 |
|
|
/* transform the sysfs interface values into table above */
|
| 556 |
|
|
if ((val == 6) && (index < 4)) {
|
| 557 |
|
|
val -= 3;
|
| 558 |
|
|
} else if ((val == 3 && index < 4)
|
| 559 |
|
|
|| (val == 4 && index >= 4)) {
|
| 560 |
|
|
/* transform diode or thermistor into internal enable */
|
| 561 |
|
|
val = !!val;
|
| 562 |
|
|
} else {
|
| 563 |
|
|
return -EINVAL;
|
| 564 |
|
|
}
|
| 565 |
|
|
|
| 566 |
|
|
index = (index < 4) ? 0 : 1;
|
| 567 |
|
|
mutex_lock(&data->update_lock);
|
| 568 |
|
|
data->temp_mode[index] =
|
| 569 |
|
|
w83793_read_value(client, W83793_REG_TEMP_MODE[index]);
|
| 570 |
|
|
data->temp_mode[index] &= ~(mask << shift);
|
| 571 |
|
|
data->temp_mode[index] |= val << shift;
|
| 572 |
|
|
w83793_write_value(client, W83793_REG_TEMP_MODE[index],
|
| 573 |
|
|
data->temp_mode[index]);
|
| 574 |
|
|
mutex_unlock(&data->update_lock);
|
| 575 |
|
|
|
| 576 |
|
|
return count;
|
| 577 |
|
|
}
|
| 578 |
|
|
|
| 579 |
|
|
#define SETUP_PWM_DEFAULT 0
|
| 580 |
|
|
#define SETUP_PWM_UPTIME 1 /* Unit in 0.1s */
|
| 581 |
|
|
#define SETUP_PWM_DOWNTIME 2 /* Unit in 0.1s */
|
| 582 |
|
|
#define SETUP_TEMP_CRITICAL 3
|
| 583 |
|
|
static ssize_t
|
| 584 |
|
|
show_sf_setup(struct device *dev, struct device_attribute *attr, char *buf)
|
| 585 |
|
|
{
|
| 586 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 587 |
|
|
to_sensor_dev_attr_2(attr);
|
| 588 |
|
|
int nr = sensor_attr->nr;
|
| 589 |
|
|
struct w83793_data *data = w83793_update_device(dev);
|
| 590 |
|
|
u32 val = 0;
|
| 591 |
|
|
|
| 592 |
|
|
if (SETUP_PWM_DEFAULT == nr) {
|
| 593 |
|
|
val = (data->pwm_default & 0x3f) << 2;
|
| 594 |
|
|
} else if (SETUP_PWM_UPTIME == nr) {
|
| 595 |
|
|
val = TIME_FROM_REG(data->pwm_uptime);
|
| 596 |
|
|
} else if (SETUP_PWM_DOWNTIME == nr) {
|
| 597 |
|
|
val = TIME_FROM_REG(data->pwm_downtime);
|
| 598 |
|
|
} else if (SETUP_TEMP_CRITICAL == nr) {
|
| 599 |
|
|
val = TEMP_FROM_REG(data->temp_critical & 0x7f);
|
| 600 |
|
|
}
|
| 601 |
|
|
|
| 602 |
|
|
return sprintf(buf, "%d\n", val);
|
| 603 |
|
|
}
|
| 604 |
|
|
|
| 605 |
|
|
static ssize_t
|
| 606 |
|
|
store_sf_setup(struct device *dev, struct device_attribute *attr,
|
| 607 |
|
|
const char *buf, size_t count)
|
| 608 |
|
|
{
|
| 609 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 610 |
|
|
to_sensor_dev_attr_2(attr);
|
| 611 |
|
|
int nr = sensor_attr->nr;
|
| 612 |
|
|
struct i2c_client *client = to_i2c_client(dev);
|
| 613 |
|
|
struct w83793_data *data = i2c_get_clientdata(client);
|
| 614 |
|
|
|
| 615 |
|
|
mutex_lock(&data->update_lock);
|
| 616 |
|
|
if (SETUP_PWM_DEFAULT == nr) {
|
| 617 |
|
|
data->pwm_default =
|
| 618 |
|
|
w83793_read_value(client, W83793_REG_PWM_DEFAULT) & 0xc0;
|
| 619 |
|
|
data->pwm_default |= SENSORS_LIMIT(simple_strtoul(buf, NULL,
|
| 620 |
|
|
10),
|
| 621 |
|
|
0, 0xff) >> 2;
|
| 622 |
|
|
w83793_write_value(client, W83793_REG_PWM_DEFAULT,
|
| 623 |
|
|
data->pwm_default);
|
| 624 |
|
|
} else if (SETUP_PWM_UPTIME == nr) {
|
| 625 |
|
|
data->pwm_uptime = TIME_TO_REG(simple_strtoul(buf, NULL, 10));
|
| 626 |
|
|
data->pwm_uptime += data->pwm_uptime == 0 ? 1 : 0;
|
| 627 |
|
|
w83793_write_value(client, W83793_REG_PWM_UPTIME,
|
| 628 |
|
|
data->pwm_uptime);
|
| 629 |
|
|
} else if (SETUP_PWM_DOWNTIME == nr) {
|
| 630 |
|
|
data->pwm_downtime = TIME_TO_REG(simple_strtoul(buf, NULL, 10));
|
| 631 |
|
|
data->pwm_downtime += data->pwm_downtime == 0 ? 1 : 0;
|
| 632 |
|
|
w83793_write_value(client, W83793_REG_PWM_DOWNTIME,
|
| 633 |
|
|
data->pwm_downtime);
|
| 634 |
|
|
} else { /* SETUP_TEMP_CRITICAL */
|
| 635 |
|
|
data->temp_critical =
|
| 636 |
|
|
w83793_read_value(client, W83793_REG_TEMP_CRITICAL) & 0x80;
|
| 637 |
|
|
data->temp_critical |= TEMP_TO_REG(simple_strtol(buf, NULL, 10),
|
| 638 |
|
|
0, 0x7f);
|
| 639 |
|
|
w83793_write_value(client, W83793_REG_TEMP_CRITICAL,
|
| 640 |
|
|
data->temp_critical);
|
| 641 |
|
|
}
|
| 642 |
|
|
|
| 643 |
|
|
mutex_unlock(&data->update_lock);
|
| 644 |
|
|
return count;
|
| 645 |
|
|
}
|
| 646 |
|
|
|
| 647 |
|
|
/*
|
| 648 |
|
|
Temp SmartFan control
|
| 649 |
|
|
TEMP_FAN_MAP
|
| 650 |
|
|
Temp channel control which pwm fan, bitfield, bit 0 indicate pwm1...
|
| 651 |
|
|
It's possible two or more temp channels control the same fan, w83793
|
| 652 |
|
|
always prefers to pick the most critical request and applies it to
|
| 653 |
|
|
the related Fan.
|
| 654 |
|
|
It's possible one fan is not in any mapping of 6 temp channels, this
|
| 655 |
|
|
means the fan is manual mode
|
| 656 |
|
|
|
| 657 |
|
|
TEMP_PWM_ENABLE
|
| 658 |
|
|
Each temp channel has its own SmartFan mode, and temp channel
|
| 659 |
|
|
control fans that are set by TEMP_FAN_MAP
|
| 660 |
|
|
0: SmartFanII mode
|
| 661 |
|
|
1: Thermal Cruise Mode
|
| 662 |
|
|
|
| 663 |
|
|
TEMP_CRUISE
|
| 664 |
|
|
Target temperature in thermal cruise mode, w83793 will try to turn
|
| 665 |
|
|
fan speed to keep the temperature of target device around this
|
| 666 |
|
|
temperature.
|
| 667 |
|
|
|
| 668 |
|
|
TEMP_TOLERANCE
|
| 669 |
|
|
If Temp higher or lower than target with this tolerance, w83793
|
| 670 |
|
|
will take actions to speed up or slow down the fan to keep the
|
| 671 |
|
|
temperature within the tolerance range.
|
| 672 |
|
|
*/
|
| 673 |
|
|
|
| 674 |
|
|
#define TEMP_FAN_MAP 0
|
| 675 |
|
|
#define TEMP_PWM_ENABLE 1
|
| 676 |
|
|
#define TEMP_CRUISE 2
|
| 677 |
|
|
#define TEMP_TOLERANCE 3
|
| 678 |
|
|
static ssize_t
|
| 679 |
|
|
show_sf_ctrl(struct device *dev, struct device_attribute *attr, char *buf)
|
| 680 |
|
|
{
|
| 681 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 682 |
|
|
to_sensor_dev_attr_2(attr);
|
| 683 |
|
|
int nr = sensor_attr->nr;
|
| 684 |
|
|
int index = sensor_attr->index;
|
| 685 |
|
|
struct w83793_data *data = w83793_update_device(dev);
|
| 686 |
|
|
u32 val;
|
| 687 |
|
|
|
| 688 |
|
|
if (TEMP_FAN_MAP == nr) {
|
| 689 |
|
|
val = data->temp_fan_map[index];
|
| 690 |
|
|
} else if (TEMP_PWM_ENABLE == nr) {
|
| 691 |
|
|
/* +2 to transfrom into 2 and 3 to conform with sysfs intf */
|
| 692 |
|
|
val = ((data->pwm_enable >> index) & 0x01) + 2;
|
| 693 |
|
|
} else if (TEMP_CRUISE == nr) {
|
| 694 |
|
|
val = TEMP_FROM_REG(data->temp_cruise[index] & 0x7f);
|
| 695 |
|
|
} else { /* TEMP_TOLERANCE */
|
| 696 |
|
|
val = data->tolerance[index >> 1] >> ((index & 0x01) ? 4 : 0);
|
| 697 |
|
|
val = TEMP_FROM_REG(val & 0x0f);
|
| 698 |
|
|
}
|
| 699 |
|
|
return sprintf(buf, "%d\n", val);
|
| 700 |
|
|
}
|
| 701 |
|
|
|
| 702 |
|
|
static ssize_t
|
| 703 |
|
|
store_sf_ctrl(struct device *dev, struct device_attribute *attr,
|
| 704 |
|
|
const char *buf, size_t count)
|
| 705 |
|
|
{
|
| 706 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 707 |
|
|
to_sensor_dev_attr_2(attr);
|
| 708 |
|
|
int nr = sensor_attr->nr;
|
| 709 |
|
|
int index = sensor_attr->index;
|
| 710 |
|
|
struct i2c_client *client = to_i2c_client(dev);
|
| 711 |
|
|
struct w83793_data *data = i2c_get_clientdata(client);
|
| 712 |
|
|
u32 val;
|
| 713 |
|
|
|
| 714 |
|
|
mutex_lock(&data->update_lock);
|
| 715 |
|
|
if (TEMP_FAN_MAP == nr) {
|
| 716 |
|
|
val = simple_strtoul(buf, NULL, 10) & 0xff;
|
| 717 |
|
|
w83793_write_value(client, W83793_REG_TEMP_FAN_MAP(index), val);
|
| 718 |
|
|
data->temp_fan_map[index] = val;
|
| 719 |
|
|
} else if (TEMP_PWM_ENABLE == nr) {
|
| 720 |
|
|
val = simple_strtoul(buf, NULL, 10);
|
| 721 |
|
|
if (2 == val || 3 == val) {
|
| 722 |
|
|
data->pwm_enable =
|
| 723 |
|
|
w83793_read_value(client, W83793_REG_PWM_ENABLE);
|
| 724 |
|
|
if (val - 2)
|
| 725 |
|
|
data->pwm_enable |= 1 << index;
|
| 726 |
|
|
else
|
| 727 |
|
|
data->pwm_enable &= ~(1 << index);
|
| 728 |
|
|
w83793_write_value(client, W83793_REG_PWM_ENABLE,
|
| 729 |
|
|
data->pwm_enable);
|
| 730 |
|
|
} else {
|
| 731 |
|
|
mutex_unlock(&data->update_lock);
|
| 732 |
|
|
return -EINVAL;
|
| 733 |
|
|
}
|
| 734 |
|
|
} else if (TEMP_CRUISE == nr) {
|
| 735 |
|
|
data->temp_cruise[index] =
|
| 736 |
|
|
w83793_read_value(client, W83793_REG_TEMP_CRUISE(index));
|
| 737 |
|
|
val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x7f);
|
| 738 |
|
|
data->temp_cruise[index] &= 0x80;
|
| 739 |
|
|
data->temp_cruise[index] |= val;
|
| 740 |
|
|
|
| 741 |
|
|
w83793_write_value(client, W83793_REG_TEMP_CRUISE(index),
|
| 742 |
|
|
data->temp_cruise[index]);
|
| 743 |
|
|
} else { /* TEMP_TOLERANCE */
|
| 744 |
|
|
int i = index >> 1;
|
| 745 |
|
|
u8 shift = (index & 0x01) ? 4 : 0;
|
| 746 |
|
|
data->tolerance[i] =
|
| 747 |
|
|
w83793_read_value(client, W83793_REG_TEMP_TOL(i));
|
| 748 |
|
|
|
| 749 |
|
|
val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x0f);
|
| 750 |
|
|
data->tolerance[i] &= ~(0x0f << shift);
|
| 751 |
|
|
data->tolerance[i] |= val << shift;
|
| 752 |
|
|
w83793_write_value(client, W83793_REG_TEMP_TOL(i),
|
| 753 |
|
|
data->tolerance[i]);
|
| 754 |
|
|
}
|
| 755 |
|
|
|
| 756 |
|
|
mutex_unlock(&data->update_lock);
|
| 757 |
|
|
return count;
|
| 758 |
|
|
}
|
| 759 |
|
|
|
| 760 |
|
|
static ssize_t
|
| 761 |
|
|
show_sf2_pwm(struct device *dev, struct device_attribute *attr, char *buf)
|
| 762 |
|
|
{
|
| 763 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 764 |
|
|
to_sensor_dev_attr_2(attr);
|
| 765 |
|
|
int nr = sensor_attr->nr;
|
| 766 |
|
|
int index = sensor_attr->index;
|
| 767 |
|
|
struct w83793_data *data = w83793_update_device(dev);
|
| 768 |
|
|
|
| 769 |
|
|
return sprintf(buf, "%d\n", (data->sf2_pwm[index][nr] & 0x3f) << 2);
|
| 770 |
|
|
}
|
| 771 |
|
|
|
| 772 |
|
|
static ssize_t
|
| 773 |
|
|
store_sf2_pwm(struct device *dev, struct device_attribute *attr,
|
| 774 |
|
|
const char *buf, size_t count)
|
| 775 |
|
|
{
|
| 776 |
|
|
struct i2c_client *client = to_i2c_client(dev);
|
| 777 |
|
|
struct w83793_data *data = i2c_get_clientdata(client);
|
| 778 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 779 |
|
|
to_sensor_dev_attr_2(attr);
|
| 780 |
|
|
int nr = sensor_attr->nr;
|
| 781 |
|
|
int index = sensor_attr->index;
|
| 782 |
|
|
u8 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 0xff) >> 2;
|
| 783 |
|
|
|
| 784 |
|
|
mutex_lock(&data->update_lock);
|
| 785 |
|
|
data->sf2_pwm[index][nr] =
|
| 786 |
|
|
w83793_read_value(client, W83793_REG_SF2_PWM(index, nr)) & 0xc0;
|
| 787 |
|
|
data->sf2_pwm[index][nr] |= val;
|
| 788 |
|
|
w83793_write_value(client, W83793_REG_SF2_PWM(index, nr),
|
| 789 |
|
|
data->sf2_pwm[index][nr]);
|
| 790 |
|
|
mutex_unlock(&data->update_lock);
|
| 791 |
|
|
return count;
|
| 792 |
|
|
}
|
| 793 |
|
|
|
| 794 |
|
|
static ssize_t
|
| 795 |
|
|
show_sf2_temp(struct device *dev, struct device_attribute *attr, char *buf)
|
| 796 |
|
|
{
|
| 797 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 798 |
|
|
to_sensor_dev_attr_2(attr);
|
| 799 |
|
|
int nr = sensor_attr->nr;
|
| 800 |
|
|
int index = sensor_attr->index;
|
| 801 |
|
|
struct w83793_data *data = w83793_update_device(dev);
|
| 802 |
|
|
|
| 803 |
|
|
return sprintf(buf, "%ld\n",
|
| 804 |
|
|
TEMP_FROM_REG(data->sf2_temp[index][nr] & 0x7f));
|
| 805 |
|
|
}
|
| 806 |
|
|
|
| 807 |
|
|
static ssize_t
|
| 808 |
|
|
store_sf2_temp(struct device *dev, struct device_attribute *attr,
|
| 809 |
|
|
const char *buf, size_t count)
|
| 810 |
|
|
{
|
| 811 |
|
|
struct i2c_client *client = to_i2c_client(dev);
|
| 812 |
|
|
struct w83793_data *data = i2c_get_clientdata(client);
|
| 813 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 814 |
|
|
to_sensor_dev_attr_2(attr);
|
| 815 |
|
|
int nr = sensor_attr->nr;
|
| 816 |
|
|
int index = sensor_attr->index;
|
| 817 |
|
|
u8 val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x7f);
|
| 818 |
|
|
|
| 819 |
|
|
mutex_lock(&data->update_lock);
|
| 820 |
|
|
data->sf2_temp[index][nr] =
|
| 821 |
|
|
w83793_read_value(client, W83793_REG_SF2_TEMP(index, nr)) & 0x80;
|
| 822 |
|
|
data->sf2_temp[index][nr] |= val;
|
| 823 |
|
|
w83793_write_value(client, W83793_REG_SF2_TEMP(index, nr),
|
| 824 |
|
|
data->sf2_temp[index][nr]);
|
| 825 |
|
|
mutex_unlock(&data->update_lock);
|
| 826 |
|
|
return count;
|
| 827 |
|
|
}
|
| 828 |
|
|
|
| 829 |
|
|
/* only Vcore A/B and Vtt have additional 2 bits precision */
|
| 830 |
|
|
static ssize_t
|
| 831 |
|
|
show_in(struct device *dev, struct device_attribute *attr, char *buf)
|
| 832 |
|
|
{
|
| 833 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 834 |
|
|
to_sensor_dev_attr_2(attr);
|
| 835 |
|
|
int nr = sensor_attr->nr;
|
| 836 |
|
|
int index = sensor_attr->index;
|
| 837 |
|
|
struct w83793_data *data = w83793_update_device(dev);
|
| 838 |
|
|
u16 val = data->in[index][nr];
|
| 839 |
|
|
|
| 840 |
|
|
if (index < 3) {
|
| 841 |
|
|
val <<= 2;
|
| 842 |
|
|
val += (data->in_low_bits[nr] >> (index * 2)) & 0x3;
|
| 843 |
|
|
}
|
| 844 |
|
|
/* voltage inputs 5VDD and 5VSB needs 150mV offset */
|
| 845 |
|
|
val = val * scale_in[index] + scale_in_add[index];
|
| 846 |
|
|
return sprintf(buf, "%d\n", val);
|
| 847 |
|
|
}
|
| 848 |
|
|
|
| 849 |
|
|
static ssize_t
|
| 850 |
|
|
store_in(struct device *dev, struct device_attribute *attr,
|
| 851 |
|
|
const char *buf, size_t count)
|
| 852 |
|
|
{
|
| 853 |
|
|
struct sensor_device_attribute_2 *sensor_attr =
|
| 854 |
|
|
to_sensor_dev_attr_2(attr);
|
| 855 |
|
|
int nr = sensor_attr->nr;
|
| 856 |
|
|
int index = sensor_attr->index;
|
| 857 |
|
|
struct i2c_client *client = to_i2c_client(dev);
|
| 858 |
|
|
struct w83793_data *data = i2c_get_clientdata(client);
|
| 859 |
|
|
u32 val;
|
| 860 |
|
|
|
| 861 |
|
|
val =
|
| 862 |
|
|
(simple_strtoul(buf, NULL, 10) +
|
| 863 |
|
|
scale_in[index] / 2) / scale_in[index];
|
| 864 |
|
|
mutex_lock(&data->update_lock);
|
| 865 |
|
|
if (index > 2) {
|
| 866 |
|
|
/* fix the limit values of 5VDD and 5VSB to ALARM mechanism */
|
| 867 |
|
|
if (1 == nr || 2 == nr) {
|
| 868 |
|
|
val -= scale_in_add[index] / scale_in[index];
|
| 869 |
|
|
}
|
| 870 |
|
|
val = SENSORS_LIMIT(val, 0, 255);
|
| 871 |
|
|
} else {
|
| 872 |
|
|
val = SENSORS_LIMIT(val, 0, 0x3FF);
|
| 873 |
|
|
data->in_low_bits[nr] =
|
| 874 |
|
|
w83793_read_value(client, W83793_REG_IN_LOW_BITS[nr]);
|
| 875 |
|
|
data->in_low_bits[nr] &= ~(0x03 << (2 * index));
|
| 876 |
|
|
data->in_low_bits[nr] |= (val & 0x03) << (2 * index);
|
| 877 |
|
|
w83793_write_value(client, W83793_REG_IN_LOW_BITS[nr],
|
| 878 |
|
|
data->in_low_bits[nr]);
|
| 879 |
|
|
val >>= 2;
|
| 880 |
|
|
}
|
| 881 |
|
|
data->in[index][nr] = val;
|
| 882 |
|
|
w83793_write_value(client, W83793_REG_IN[index][nr],
|
| 883 |
|
|
data->in[index][nr]);
|
| 884 |
|
|
mutex_unlock(&data->update_lock);
|
| 885 |
|
|
return count;
|
| 886 |
|
|
}
|
| 887 |
|
|
|
| 888 |
|
|
#define NOT_USED -1
|
| 889 |
|
|
|
| 890 |
|
|
#define SENSOR_ATTR_IN(index) \
|
| 891 |
|
|
SENSOR_ATTR_2(in##index##_input, S_IRUGO, show_in, NULL, \
|
| 892 |
|
|
IN_READ, index), \
|
| 893 |
|
|
SENSOR_ATTR_2(in##index##_max, S_IRUGO | S_IWUSR, show_in, \
|
| 894 |
|
|
store_in, IN_MAX, index), \
|
| 895 |
|
|
SENSOR_ATTR_2(in##index##_min, S_IRUGO | S_IWUSR, show_in, \
|
| 896 |
|
|
store_in, IN_LOW, index), \
|
| 897 |
|
|
SENSOR_ATTR_2(in##index##_alarm, S_IRUGO, show_alarm_beep, \
|
| 898 |
|
|
NULL, ALARM_STATUS, index + ((index > 2) ? 1 : 0)), \
|
| 899 |
|
|
SENSOR_ATTR_2(in##index##_beep, S_IWUSR | S_IRUGO, \
|
| 900 |
|
|
show_alarm_beep, store_beep, BEEP_ENABLE, \
|
| 901 |
|
|
index + ((index > 2) ? 1 : 0))
|
| 902 |
|
|
|
| 903 |
|
|
#define SENSOR_ATTR_FAN(index) \
|
| 904 |
|
|
SENSOR_ATTR_2(fan##index##_alarm, S_IRUGO, show_alarm_beep, \
|
| 905 |
|
|
NULL, ALARM_STATUS, index + 17), \
|
| 906 |
|
|
SENSOR_ATTR_2(fan##index##_beep, S_IWUSR | S_IRUGO, \
|
| 907 |
|
|
show_alarm_beep, store_beep, BEEP_ENABLE, index + 17), \
|
| 908 |
|
|
SENSOR_ATTR_2(fan##index##_input, S_IRUGO, show_fan, \
|
| 909 |
|
|
NULL, FAN_INPUT, index - 1), \
|
| 910 |
|
|
SENSOR_ATTR_2(fan##index##_min, S_IWUSR | S_IRUGO, \
|
| 911 |
|
|
show_fan, store_fan_min, FAN_MIN, index - 1)
|
| 912 |
|
|
|
| 913 |
|
|
#define SENSOR_ATTR_PWM(index) \
|
| 914 |
|
|
SENSOR_ATTR_2(pwm##index, S_IWUSR | S_IRUGO, show_pwm, \
|
| 915 |
|
|
store_pwm, PWM_DUTY, index - 1), \
|
| 916 |
|
|
SENSOR_ATTR_2(pwm##index##_nonstop, S_IWUSR | S_IRUGO, \
|
| 917 |
|
|
show_pwm, store_pwm, PWM_NONSTOP, index - 1), \
|
| 918 |
|
|
SENSOR_ATTR_2(pwm##index##_start, S_IWUSR | S_IRUGO, \
|
| 919 |
|
|
show_pwm, store_pwm, PWM_START, index - 1), \
|
| 920 |
|
|
SENSOR_ATTR_2(pwm##index##_stop_time, S_IWUSR | S_IRUGO, \
|
| 921 |
|
|
show_pwm, store_pwm, PWM_STOP_TIME, index - 1)
|
| 922 |
|
|
|
| 923 |
|
|
#define SENSOR_ATTR_TEMP(index) \
|
| 924 |
|
|
SENSOR_ATTR_2(temp##index##_type, S_IRUGO | S_IWUSR, \
|
| 925 |
|
|
show_temp_mode, store_temp_mode, NOT_USED, index - 1), \
|
| 926 |
|
|
SENSOR_ATTR_2(temp##index##_input, S_IRUGO, show_temp, \
|
| 927 |
|
|
NULL, TEMP_READ, index - 1), \
|
| 928 |
|
|
SENSOR_ATTR_2(temp##index##_max, S_IRUGO | S_IWUSR, show_temp, \
|
| 929 |
|
|
store_temp, TEMP_CRIT, index - 1), \
|
| 930 |
|
|
SENSOR_ATTR_2(temp##index##_max_hyst, S_IRUGO | S_IWUSR, \
|
| 931 |
|
|
show_temp, store_temp, TEMP_CRIT_HYST, index - 1), \
|
| 932 |
|
|
SENSOR_ATTR_2(temp##index##_warn, S_IRUGO | S_IWUSR, show_temp, \
|
| 933 |
|
|
store_temp, TEMP_WARN, index - 1), \
|
| 934 |
|
|
SENSOR_ATTR_2(temp##index##_warn_hyst, S_IRUGO | S_IWUSR, \
|
| 935 |
|
|
show_temp, store_temp, TEMP_WARN_HYST, index - 1), \
|
| 936 |
|
|
SENSOR_ATTR_2(temp##index##_alarm, S_IRUGO, \
|
| 937 |
|
|
show_alarm_beep, NULL, ALARM_STATUS, index + 11), \
|
| 938 |
|
|
SENSOR_ATTR_2(temp##index##_beep, S_IWUSR | S_IRUGO, \
|
| 939 |
|
|
show_alarm_beep, store_beep, BEEP_ENABLE, index + 11), \
|
| 940 |
|
|
SENSOR_ATTR_2(temp##index##_auto_channels_pwm, \
|
| 941 |
|
|
S_IRUGO | S_IWUSR, show_sf_ctrl, store_sf_ctrl, \
|
| 942 |
|
|
TEMP_FAN_MAP, index - 1), \
|
| 943 |
|
|
SENSOR_ATTR_2(temp##index##_pwm_enable, S_IWUSR | S_IRUGO, \
|
| 944 |
|
|
show_sf_ctrl, store_sf_ctrl, TEMP_PWM_ENABLE, \
|
| 945 |
|
|
index - 1), \
|
| 946 |
|
|
SENSOR_ATTR_2(thermal_cruise##index, S_IRUGO | S_IWUSR, \
|
| 947 |
|
|
show_sf_ctrl, store_sf_ctrl, TEMP_CRUISE, index - 1), \
|
| 948 |
|
|
SENSOR_ATTR_2(tolerance##index, S_IRUGO | S_IWUSR, show_sf_ctrl,\
|
| 949 |
|
|
store_sf_ctrl, TEMP_TOLERANCE, index - 1), \
|
| 950 |
|
|
SENSOR_ATTR_2(temp##index##_auto_point1_pwm, S_IRUGO | S_IWUSR, \
|
| 951 |
|
|
show_sf2_pwm, store_sf2_pwm, 0, index - 1), \
|
| 952 |
|
|
SENSOR_ATTR_2(temp##index##_auto_point2_pwm, S_IRUGO | S_IWUSR, \
|
| 953 |
|
|
show_sf2_pwm, store_sf2_pwm, 1, index - 1), \
|
| 954 |
|
|
SENSOR_ATTR_2(temp##index##_auto_point3_pwm, S_IRUGO | S_IWUSR, \
|
| 955 |
|
|
show_sf2_pwm, store_sf2_pwm, 2, index - 1), \
|
| 956 |
|
|
SENSOR_ATTR_2(temp##index##_auto_point4_pwm, S_IRUGO | S_IWUSR, \
|
| 957 |
|
|
show_sf2_pwm, store_sf2_pwm, 3, index - 1), \
|
| 958 |
|
|
SENSOR_ATTR_2(temp##index##_auto_point5_pwm, S_IRUGO | S_IWUSR, \
|
| 959 |
|
|
show_sf2_pwm, store_sf2_pwm, 4, index - 1), \
|
| 960 |
|
|
SENSOR_ATTR_2(temp##index##_auto_point6_pwm, S_IRUGO | S_IWUSR, \
|
| 961 |
|
|
show_sf2_pwm, store_sf2_pwm, 5, index - 1), \
|
| 962 |
|
|
SENSOR_ATTR_2(temp##index##_auto_point7_pwm, S_IRUGO | S_IWUSR, \
|
| 963 |
|
|
show_sf2_pwm, store_sf2_pwm, 6, index - 1), \
|
| 964 |
|
|
SENSOR_ATTR_2(temp##index##_auto_point1_temp, S_IRUGO | S_IWUSR,\
|
| 965 |
|
|
show_sf2_temp, store_sf2_temp, 0, index - 1), \
|
| 966 |
|
|
SENSOR_ATTR_2(temp##index##_auto_point2_temp, S_IRUGO | S_IWUSR,\
|
| 967 |
|
|
show_sf2_temp, store_sf2_temp, 1, index - 1), \
|
| 968 |
|
|
SENSOR_ATTR_2(temp##index##_auto_point3_temp, S_IRUGO | S_IWUSR,\
|
| 969 |
|
|
show_sf2_temp, store_sf2_temp, 2, index - 1), \
|
| 970 |
|
|
SENSOR_ATTR_2(temp##index##_auto_point4_temp, S_IRUGO | S_IWUSR,\
|
| 971 |
|
|
show_sf2_temp, store_sf2_temp, 3, index - 1), \
|
| 972 |
|
|
SENSOR_ATTR_2(temp##index##_auto_point5_temp, S_IRUGO | S_IWUSR,\
|
| 973 |
|
|
show_sf2_temp, store_sf2_temp, 4, index - 1), \
|
| 974 |
|
|
SENSOR_ATTR_2(temp##index##_auto_point6_temp, S_IRUGO | S_IWUSR,\
|
| 975 |
|
|
show_sf2_temp, store_sf2_temp, 5, index - 1), \
|
| 976 |
|
|
SENSOR_ATTR_2(temp##index##_auto_point7_temp, S_IRUGO | S_IWUSR,\
|
| 977 |
|
|
show_sf2_temp, store_sf2_temp, 6, index - 1)
|
| 978 |
|
|
|
| 979 |
|
|
static struct sensor_device_attribute_2 w83793_sensor_attr_2[] = {
|
| 980 |
|
|
SENSOR_ATTR_IN(0),
|
| 981 |
|
|
SENSOR_ATTR_IN(1),
|
| 982 |
|
|
SENSOR_ATTR_IN(2),
|
| 983 |
|
|
SENSOR_ATTR_IN(3),
|
| 984 |
|
|
SENSOR_ATTR_IN(4),
|
| 985 |
|
|
SENSOR_ATTR_IN(5),
|
| 986 |
|
|
SENSOR_ATTR_IN(6),
|
| 987 |
|
|
SENSOR_ATTR_IN(7),
|
| 988 |
|
|
SENSOR_ATTR_IN(8),
|
| 989 |
|
|
SENSOR_ATTR_IN(9),
|
| 990 |
|
|
SENSOR_ATTR_FAN(1),
|
| 991 |
|
|
SENSOR_ATTR_FAN(2),
|
| 992 |
|
|
SENSOR_ATTR_FAN(3),
|
| 993 |
|
|
SENSOR_ATTR_FAN(4),
|
| 994 |
|
|
SENSOR_ATTR_FAN(5),
|
| 995 |
|
|
SENSOR_ATTR_PWM(1),
|
| 996 |
|
|
SENSOR_ATTR_PWM(2),
|
| 997 |
|
|
SENSOR_ATTR_PWM(3),
|
| 998 |
|
|
};
|
| 999 |
|
|
|
| 1000 |
|
|
static struct sensor_device_attribute_2 w83793_temp[] = {
|
| 1001 |
|
|
SENSOR_ATTR_TEMP(1),
|
| 1002 |
|
|
SENSOR_ATTR_TEMP(2),
|
| 1003 |
|
|
SENSOR_ATTR_TEMP(3),
|
| 1004 |
|
|
SENSOR_ATTR_TEMP(4),
|
| 1005 |
|
|
SENSOR_ATTR_TEMP(5),
|
| 1006 |
|
|
SENSOR_ATTR_TEMP(6),
|
| 1007 |
|
|
};
|
| 1008 |
|
|
|
| 1009 |
|
|
/* Fan6-Fan12 */
|
| 1010 |
|
|
static struct sensor_device_attribute_2 w83793_left_fan[] = {
|
| 1011 |
|
|
SENSOR_ATTR_FAN(6),
|
| 1012 |
|
|
SENSOR_ATTR_FAN(7),
|
| 1013 |
|
|
SENSOR_ATTR_FAN(8),
|
| 1014 |
|
|
SENSOR_ATTR_FAN(9),
|
| 1015 |
|
|
SENSOR_ATTR_FAN(10),
|
| 1016 |
|
|
SENSOR_ATTR_FAN(11),
|
| 1017 |
|
|
SENSOR_ATTR_FAN(12),
|
| 1018 |
|
|
};
|
| 1019 |
|
|
|
| 1020 |
|
|
/* Pwm4-Pwm8 */
|
| 1021 |
|
|
static struct sensor_device_attribute_2 w83793_left_pwm[] = {
|
| 1022 |
|
|
SENSOR_ATTR_PWM(4),
|
| 1023 |
|
|
SENSOR_ATTR_PWM(5),
|
| 1024 |
|
|
SENSOR_ATTR_PWM(6),
|
| 1025 |
|
|
SENSOR_ATTR_PWM(7),
|
| 1026 |
|
|
SENSOR_ATTR_PWM(8),
|
| 1027 |
|
|
};
|
| 1028 |
|
|
|
| 1029 |
|
|
static struct sensor_device_attribute_2 w83793_vid[] = {
|
| 1030 |
|
|
SENSOR_ATTR_2(cpu0_vid, S_IRUGO, show_vid, NULL, NOT_USED, 0),
|
| 1031 |
|
|
SENSOR_ATTR_2(cpu1_vid, S_IRUGO, show_vid, NULL, NOT_USED, 1),
|
| 1032 |
|
|
};
|
| 1033 |
|
|
|
| 1034 |
|
|
static struct sensor_device_attribute_2 sda_single_files[] = {
|
| 1035 |
|
|
SENSOR_ATTR_2(vrm, S_IWUSR | S_IRUGO, show_vrm, store_vrm,
|
| 1036 |
|
|
NOT_USED, NOT_USED),
|
| 1037 |
|
|
SENSOR_ATTR_2(chassis, S_IWUSR | S_IRUGO, show_alarm_beep,
|
| 1038 |
|
|
store_chassis_clear, ALARM_STATUS, 30),
|
| 1039 |
|
|
SENSOR_ATTR_2(beep_enable, S_IWUSR | S_IRUGO, show_beep_enable,
|
| 1040 |
|
|
store_beep_enable, NOT_USED, NOT_USED),
|
| 1041 |
|
|
SENSOR_ATTR_2(pwm_default, S_IWUSR | S_IRUGO, show_sf_setup,
|
| 1042 |
|
|
store_sf_setup, SETUP_PWM_DEFAULT, NOT_USED),
|
| 1043 |
|
|
SENSOR_ATTR_2(pwm_uptime, S_IWUSR | S_IRUGO, show_sf_setup,
|
| 1044 |
|
|
store_sf_setup, SETUP_PWM_UPTIME, NOT_USED),
|
| 1045 |
|
|
SENSOR_ATTR_2(pwm_downtime, S_IWUSR | S_IRUGO, show_sf_setup,
|
| 1046 |
|
|
store_sf_setup, SETUP_PWM_DOWNTIME, NOT_USED),
|
| 1047 |
|
|
SENSOR_ATTR_2(temp_critical, S_IWUSR | S_IRUGO, show_sf_setup,
|
| 1048 |
|
|
store_sf_setup, SETUP_TEMP_CRITICAL, NOT_USED),
|
| 1049 |
|
|
};
|
| 1050 |
|
|
|
| 1051 |
|
|
static void w83793_init_client(struct i2c_client *client)
|
| 1052 |
|
|
{
|
| 1053 |
|
|
if (reset) {
|
| 1054 |
|
|
w83793_write_value(client, W83793_REG_CONFIG, 0x80);
|
| 1055 |
|
|
}
|
| 1056 |
|
|
|
| 1057 |
|
|
/* Start monitoring */
|
| 1058 |
|
|
w83793_write_value(client, W83793_REG_CONFIG,
|
| 1059 |
|
|
w83793_read_value(client, W83793_REG_CONFIG) | 0x01);
|
| 1060 |
|
|
|
| 1061 |
|
|
}
|
| 1062 |
|
|
|
| 1063 |
|
|
static int w83793_attach_adapter(struct i2c_adapter *adapter)
|
| 1064 |
|
|
{
|
| 1065 |
|
|
if (!(adapter->class & I2C_CLASS_HWMON))
|
| 1066 |
|
|
return 0;
|
| 1067 |
|
|
return i2c_probe(adapter, &addr_data, w83793_detect);
|
| 1068 |
|
|
}
|
| 1069 |
|
|
|
| 1070 |
|
|
static int w83793_detach_client(struct i2c_client *client)
|
| 1071 |
|
|
{
|
| 1072 |
|
|
struct w83793_data *data = i2c_get_clientdata(client);
|
| 1073 |
|
|
struct device *dev = &client->dev;
|
| 1074 |
|
|
int err, i;
|
| 1075 |
|
|
|
| 1076 |
|
|
/* main client */
|
| 1077 |
|
|
if (data) {
|
| 1078 |
|
|
hwmon_device_unregister(data->hwmon_dev);
|
| 1079 |
|
|
|
| 1080 |
|
|
for (i = 0; i < ARRAY_SIZE(w83793_sensor_attr_2); i++)
|
| 1081 |
|
|
device_remove_file(dev,
|
| 1082 |
|
|
&w83793_sensor_attr_2[i].dev_attr);
|
| 1083 |
|
|
|
| 1084 |
|
|
for (i = 0; i < ARRAY_SIZE(sda_single_files); i++)
|
| 1085 |
|
|
device_remove_file(dev, &sda_single_files[i].dev_attr);
|
| 1086 |
|
|
|
| 1087 |
|
|
for (i = 0; i < ARRAY_SIZE(w83793_vid); i++)
|
| 1088 |
|
|
device_remove_file(dev, &w83793_vid[i].dev_attr);
|
| 1089 |
|
|
|
| 1090 |
|
|
for (i = 0; i < ARRAY_SIZE(w83793_left_fan); i++)
|
| 1091 |
|
|
device_remove_file(dev, &w83793_left_fan[i].dev_attr);
|
| 1092 |
|
|
|
| 1093 |
|
|
for (i = 0; i < ARRAY_SIZE(w83793_left_pwm); i++)
|
| 1094 |
|
|
device_remove_file(dev, &w83793_left_pwm[i].dev_attr);
|
| 1095 |
|
|
|
| 1096 |
|
|
for (i = 0; i < ARRAY_SIZE(w83793_temp); i++)
|
| 1097 |
|
|
device_remove_file(dev, &w83793_temp[i].dev_attr);
|
| 1098 |
|
|
}
|
| 1099 |
|
|
|
| 1100 |
|
|
if ((err = i2c_detach_client(client)))
|
| 1101 |
|
|
return err;
|
| 1102 |
|
|
|
| 1103 |
|
|
/* main client */
|
| 1104 |
|
|
if (data)
|
| 1105 |
|
|
kfree(data);
|
| 1106 |
|
|
/* subclient */
|
| 1107 |
|
|
else
|
| 1108 |
|
|
kfree(client);
|
| 1109 |
|
|
|
| 1110 |
|
|
return 0;
|
| 1111 |
|
|
}
|
| 1112 |
|
|
|
| 1113 |
|
|
static int
|
| 1114 |
|
|
w83793_create_subclient(struct i2c_adapter *adapter,
|
| 1115 |
|
|
struct i2c_client *client, int addr,
|
| 1116 |
|
|
struct i2c_client **sub_cli)
|
| 1117 |
|
|
{
|
| 1118 |
|
|
int err = 0;
|
| 1119 |
|
|
struct i2c_client *sub_client;
|
| 1120 |
|
|
|
| 1121 |
|
|
(*sub_cli) = sub_client =
|
| 1122 |
|
|
kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
|
| 1123 |
|
|
if (!(sub_client)) {
|
| 1124 |
|
|
return -ENOMEM;
|
| 1125 |
|
|
}
|
| 1126 |
|
|
sub_client->addr = 0x48 + addr;
|
| 1127 |
|
|
i2c_set_clientdata(sub_client, NULL);
|
| 1128 |
|
|
sub_client->adapter = adapter;
|
| 1129 |
|
|
sub_client->driver = &w83793_driver;
|
| 1130 |
|
|
strlcpy(sub_client->name, "w83793 subclient", I2C_NAME_SIZE);
|
| 1131 |
|
|
if ((err = i2c_attach_client(sub_client))) {
|
| 1132 |
|
|
dev_err(&client->dev, "subclient registration "
|
| 1133 |
|
|
"at address 0x%x failed\n", sub_client->addr);
|
| 1134 |
|
|
kfree(sub_client);
|
| 1135 |
|
|
}
|
| 1136 |
|
|
return err;
|
| 1137 |
|
|
}
|
| 1138 |
|
|
|
| 1139 |
|
|
static int
|
| 1140 |
|
|
w83793_detect_subclients(struct i2c_adapter *adapter, int address,
|
| 1141 |
|
|
int kind, struct i2c_client *client)
|
| 1142 |
|
|
{
|
| 1143 |
|
|
int i, id, err;
|
| 1144 |
|
|
u8 tmp;
|
| 1145 |
|
|
struct w83793_data *data = i2c_get_clientdata(client);
|
| 1146 |
|
|
|
| 1147 |
|
|
id = i2c_adapter_id(adapter);
|
| 1148 |
|
|
if (force_subclients[0] == id && force_subclients[1] == address) {
|
| 1149 |
|
|
for (i = 2; i <= 3; i++) {
|
| 1150 |
|
|
if (force_subclients[i] < 0x48
|
| 1151 |
|
|
|| force_subclients[i] > 0x4f) {
|
| 1152 |
|
|
dev_err(&client->dev,
|
| 1153 |
|
|
"invalid subclient "
|
| 1154 |
|
|
"address %d; must be 0x48-0x4f\n",
|
| 1155 |
|
|
force_subclients[i]);
|
| 1156 |
|
|
err = -EINVAL;
|
| 1157 |
|
|
goto ERROR_SC_0;
|
| 1158 |
|
|
}
|
| 1159 |
|
|
}
|
| 1160 |
|
|
w83793_write_value(client, W83793_REG_I2C_SUBADDR,
|
| 1161 |
|
|
(force_subclients[2] & 0x07) |
|
| 1162 |
|
|
((force_subclients[3] & 0x07) << 4));
|
| 1163 |
|
|
}
|
| 1164 |
|
|
|
| 1165 |
|
|
tmp = w83793_read_value(client, W83793_REG_I2C_SUBADDR);
|
| 1166 |
|
|
if (!(tmp & 0x08)) {
|
| 1167 |
|
|
err =
|
| 1168 |
|
|
w83793_create_subclient(adapter, client, tmp & 0x7,
|
| 1169 |
|
|
&data->lm75[0]);
|
| 1170 |
|
|
if (err < 0)
|
| 1171 |
|
|
goto ERROR_SC_0;
|
| 1172 |
|
|
}
|
| 1173 |
|
|
if (!(tmp & 0x80)) {
|
| 1174 |
|
|
if ((data->lm75[0] != NULL)
|
| 1175 |
|
|
&& ((tmp & 0x7) == ((tmp >> 4) & 0x7))) {
|
| 1176 |
|
|
dev_err(&client->dev,
|
| 1177 |
|
|
"duplicate addresses 0x%x, "
|
| 1178 |
|
|
"use force_subclients\n", data->lm75[0]->addr);
|
| 1179 |
|
|
err = -ENODEV;
|
| 1180 |
|
|
goto ERROR_SC_1;
|
| 1181 |
|
|
}
|
| 1182 |
|
|
err = w83793_create_subclient(adapter, client,
|
| 1183 |
|
|
(tmp >> 4) & 0x7, &data->lm75[1]);
|
| 1184 |
|
|
if (err < 0)
|
| 1185 |
|
|
goto ERROR_SC_1;
|
| 1186 |
|
|
}
|
| 1187 |
|
|
|
| 1188 |
|
|
return 0;
|
| 1189 |
|
|
|
| 1190 |
|
|
/* Undo inits in case of errors */
|
| 1191 |
|
|
|
| 1192 |
|
|
ERROR_SC_1:
|
| 1193 |
|
|
if (data->lm75[0] != NULL) {
|
| 1194 |
|
|
i2c_detach_client(data->lm75[0]);
|
| 1195 |
|
|
kfree(data->lm75[0]);
|
| 1196 |
|
|
}
|
| 1197 |
|
|
ERROR_SC_0:
|
| 1198 |
|
|
return err;
|
| 1199 |
|
|
}
|
| 1200 |
|
|
|
| 1201 |
|
|
static int w83793_detect(struct i2c_adapter *adapter, int address, int kind)
|
| 1202 |
|
|
{
|
| 1203 |
|
|
int i;
|
| 1204 |
|
|
u8 tmp, val;
|
| 1205 |
|
|
struct i2c_client *client;
|
| 1206 |
|
|
struct device *dev;
|
| 1207 |
|
|
struct w83793_data *data;
|
| 1208 |
|
|
int files_fan = ARRAY_SIZE(w83793_left_fan) / 7;
|
| 1209 |
|
|
int files_pwm = ARRAY_SIZE(w83793_left_pwm) / 5;
|
| 1210 |
|
|
int files_temp = ARRAY_SIZE(w83793_temp) / 6;
|
| 1211 |
|
|
int err = 0;
|
| 1212 |
|
|
|
| 1213 |
|
|
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
|
| 1214 |
|
|
goto exit;
|
| 1215 |
|
|
}
|
| 1216 |
|
|
|
| 1217 |
|
|
/* OK. For now, we presume we have a valid client. We now create the
|
| 1218 |
|
|
client structure, even though we cannot fill it completely yet.
|
| 1219 |
|
|
But it allows us to access w83793_{read,write}_value. */
|
| 1220 |
|
|
|
| 1221 |
|
|
if (!(data = kzalloc(sizeof(struct w83793_data), GFP_KERNEL))) {
|
| 1222 |
|
|
err = -ENOMEM;
|
| 1223 |
|
|
goto exit;
|
| 1224 |
|
|
}
|
| 1225 |
|
|
|
| 1226 |
|
|
client = &data->client;
|
| 1227 |
|
|
dev = &client->dev;
|
| 1228 |
|
|
i2c_set_clientdata(client, data);
|
| 1229 |
|
|
client->addr = address;
|
| 1230 |
|
|
client->adapter = adapter;
|
| 1231 |
|
|
client->driver = &w83793_driver;
|
| 1232 |
|
|
|
| 1233 |
|
|
data->bank = i2c_smbus_read_byte_data(client, W83793_REG_BANKSEL);
|
| 1234 |
|
|
|
| 1235 |
|
|
/* Now, we do the remaining detection. */
|
| 1236 |
|
|
if (kind < 0) {
|
| 1237 |
|
|
tmp = data->bank & 0x80 ? 0x5c : 0xa3;
|
| 1238 |
|
|
/* Check Winbond vendor ID */
|
| 1239 |
|
|
if (tmp != i2c_smbus_read_byte_data(client,
|
| 1240 |
|
|
W83793_REG_VENDORID)) {
|
| 1241 |
|
|
pr_debug("w83793: Detection failed at check "
|
| 1242 |
|
|
"vendor id\n");
|
| 1243 |
|
|
err = -ENODEV;
|
| 1244 |
|
|
goto free_mem;
|
| 1245 |
|
|
}
|
| 1246 |
|
|
|
| 1247 |
|
|
/* If Winbond chip, address of chip and W83793_REG_I2C_ADDR
|
| 1248 |
|
|
should match */
|
| 1249 |
|
|
if ((data->bank & 0x07) == 0
|
| 1250 |
|
|
&& i2c_smbus_read_byte_data(client, W83793_REG_I2C_ADDR) !=
|
| 1251 |
|
|
(address << 1)) {
|
| 1252 |
|
|
pr_debug("w83793: Detection failed at check "
|
| 1253 |
|
|
"i2c addr\n");
|
| 1254 |
|
|
err = -ENODEV;
|
| 1255 |
|
|
goto free_mem;
|
| 1256 |
|
|
}
|
| 1257 |
|
|
|
| 1258 |
|
|
}
|
| 1259 |
|
|
|
| 1260 |
|
|
/* We have either had a force parameter, or we have already detected the
|
| 1261 |
|
|
Winbond. Determine the chip type now */
|
| 1262 |
|
|
|
| 1263 |
|
|
if (kind <= 0) {
|
| 1264 |
|
|
if (0x7b == w83793_read_value(client, W83793_REG_CHIPID)) {
|
| 1265 |
|
|
kind = w83793;
|
| 1266 |
|
|
} else {
|
| 1267 |
|
|
if (kind == 0)
|
| 1268 |
|
|
dev_warn(&adapter->dev, "w83793: Ignoring "
|
| 1269 |
|
|
"'force' parameter for unknown chip "
|
| 1270 |
|
|
"at address 0x%02x\n", address);
|
| 1271 |
|
|
err = -ENODEV;
|
| 1272 |
|
|
goto free_mem;
|
| 1273 |
|
|
}
|
| 1274 |
|
|
}
|
| 1275 |
|
|
|
| 1276 |
|
|
/* Fill in the remaining client fields and put into the global list */
|
| 1277 |
|
|
strlcpy(client->name, "w83793", I2C_NAME_SIZE);
|
| 1278 |
|
|
|
| 1279 |
|
|
mutex_init(&data->update_lock);
|
| 1280 |
|
|
|
| 1281 |
|
|
/* Tell the I2C layer a new client has arrived */
|
| 1282 |
|
|
if ((err = i2c_attach_client(client)))
|
| 1283 |
|
|
goto free_mem;
|
| 1284 |
|
|
|
| 1285 |
|
|
if ((err = w83793_detect_subclients(adapter, address, kind, client)))
|
| 1286 |
|
|
goto detach_client;
|
| 1287 |
|
|
|
| 1288 |
|
|
/* Initialize the chip */
|
| 1289 |
|
|
w83793_init_client(client);
|
| 1290 |
|
|
|
| 1291 |
|
|
data->vrm = vid_which_vrm();
|
| 1292 |
|
|
/*
|
| 1293 |
|
|
Only fan 1-5 has their own input pins,
|
| 1294 |
|
|
Pwm 1-3 has their own pins
|
| 1295 |
|
|
*/
|
| 1296 |
|
|
data->has_fan = 0x1f;
|
| 1297 |
|
|
data->has_pwm = 0x07;
|
| 1298 |
|
|
tmp = w83793_read_value(client, W83793_REG_MFC);
|
| 1299 |
|
|
val = w83793_read_value(client, W83793_REG_FANIN_CTRL);
|
| 1300 |
|
|
|
| 1301 |
|
|
/* check the function of pins 49-56 */
|
| 1302 |
|
|
if (!(tmp & 0x80)) {
|
| 1303 |
|
|
data->has_pwm |= 0x18; /* pwm 4,5 */
|
| 1304 |
|
|
if (val & 0x01) { /* fan 6 */
|
| 1305 |
|
|
data->has_fan |= 0x20;
|
| 1306 |
|
|
data->has_pwm |= 0x20;
|
| 1307 |
|
|
}
|
| 1308 |
|
|
if (val & 0x02) { /* fan 7 */
|
| 1309 |
|
|
data->has_fan |= 0x40;
|
| 1310 |
|
|
data->has_pwm |= 0x40;
|
| 1311 |
|
|
}
|
| 1312 |
|
|
if (!(tmp & 0x40) && (val & 0x04)) { /* fan 8 */
|
| 1313 |
|
|
data->has_fan |= 0x80;
|
| 1314 |
|
|
data->has_pwm |= 0x80;
|
| 1315 |
|
|
}
|
| 1316 |
|
|
}
|
| 1317 |
|
|
|
| 1318 |
|
|
if (0x08 == (tmp & 0x0c)) {
|
| 1319 |
|
|
if (val & 0x08) /* fan 9 */
|
| 1320 |
|
|
data->has_fan |= 0x100;
|
| 1321 |
|
|
if (val & 0x10) /* fan 10 */
|
| 1322 |
|
|
data->has_fan |= 0x200;
|
| 1323 |
|
|
}
|
| 1324 |
|
|
|
| 1325 |
|
|
if (0x20 == (tmp & 0x30)) {
|
| 1326 |
|
|
if (val & 0x20) /* fan 11 */
|
| 1327 |
|
|
data->has_fan |= 0x400;
|
| 1328 |
|
|
if (val & 0x40) /* fan 12 */
|
| 1329 |
|
|
data->has_fan |= 0x800;
|
| 1330 |
|
|
}
|
| 1331 |
|
|
|
| 1332 |
|
|
if ((tmp & 0x01) && (val & 0x04)) { /* fan 8, second location */
|
| 1333 |
|
|
data->has_fan |= 0x80;
|
| 1334 |
|
|
data->has_pwm |= 0x80;
|
| 1335 |
|
|
}
|
| 1336 |
|
|
|
| 1337 |
|
|
tmp = w83793_read_value(client, W83793_REG_FANIN_SEL);
|
| 1338 |
|
|
if ((tmp & 0x01) && (val & 0x08)) { /* fan 9, second location */
|
| 1339 |
|
|
data->has_fan |= 0x100;
|
| 1340 |
|
|
}
|
| 1341 |
|
|
if ((tmp & 0x02) && (val & 0x10)) { /* fan 10, second location */
|
| 1342 |
|
|
data->has_fan |= 0x200;
|
| 1343 |
|
|
}
|
| 1344 |
|
|
if ((tmp & 0x04) && (val & 0x20)) { /* fan 11, second location */
|
| 1345 |
|
|
data->has_fan |= 0x400;
|
| 1346 |
|
|
}
|
| 1347 |
|
|
if ((tmp & 0x08) && (val & 0x40)) { /* fan 12, second location */
|
| 1348 |
|
|
data->has_fan |= 0x800;
|
| 1349 |
|
|
}
|
| 1350 |
|
|
|
| 1351 |
|
|
/* check the temp1-6 mode, ignore former AMDSI selected inputs */
|
| 1352 |
|
|
tmp = w83793_read_value(client,W83793_REG_TEMP_MODE[0]);
|
| 1353 |
|
|
if (tmp & 0x01)
|
| 1354 |
|
|
data->has_temp |= 0x01;
|
| 1355 |
|
|
if (tmp & 0x04)
|
| 1356 |
|
|
data->has_temp |= 0x02;
|
| 1357 |
|
|
if (tmp & 0x10)
|
| 1358 |
|
|
data->has_temp |= 0x04;
|
| 1359 |
|
|
if (tmp & 0x40)
|
| 1360 |
|
|
data->has_temp |= 0x08;
|
| 1361 |
|
|
|
| 1362 |
|
|
tmp = w83793_read_value(client,W83793_REG_TEMP_MODE[1]);
|
| 1363 |
|
|
if (tmp & 0x01)
|
| 1364 |
|
|
data->has_temp |= 0x10;
|
| 1365 |
|
|
if (tmp & 0x02)
|
| 1366 |
|
|
data->has_temp |= 0x20;
|
| 1367 |
|
|
|
| 1368 |
|
|
/* Detect the VID usage and ignore unused input */
|
| 1369 |
|
|
tmp = w83793_read_value(client, W83793_REG_MFC);
|
| 1370 |
|
|
if (!(tmp & 0x29))
|
| 1371 |
|
|
data->has_vid |= 0x1; /* has VIDA */
|
| 1372 |
|
|
if (tmp & 0x80)
|
| 1373 |
|
|
data->has_vid |= 0x2; /* has VIDB */
|
| 1374 |
|
|
|
| 1375 |
|
|
/* Register sysfs hooks */
|
| 1376 |
|
|
for (i = 0; i < ARRAY_SIZE(w83793_sensor_attr_2); i++) {
|
| 1377 |
|
|
err = device_create_file(dev,
|
| 1378 |
|
|
&w83793_sensor_attr_2[i].dev_attr);
|
| 1379 |
|
|
if (err)
|
| 1380 |
|
|
goto exit_remove;
|
| 1381 |
|
|
}
|
| 1382 |
|
|
|
| 1383 |
|
|
for (i = 0; i < ARRAY_SIZE(w83793_vid); i++) {
|
| 1384 |
|
|
if (!(data->has_vid & (1 << i)))
|
| 1385 |
|
|
continue;
|
| 1386 |
|
|
err = device_create_file(dev, &w83793_vid[i].dev_attr);
|
| 1387 |
|
|
if (err)
|
| 1388 |
|
|
goto exit_remove;
|
| 1389 |
|
|
}
|
| 1390 |
|
|
|
| 1391 |
|
|
for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) {
|
| 1392 |
|
|
err = device_create_file(dev, &sda_single_files[i].dev_attr);
|
| 1393 |
|
|
if (err)
|
| 1394 |
|
|
goto exit_remove;
|
| 1395 |
|
|
|
| 1396 |
|
|
}
|
| 1397 |
|
|
|
| 1398 |
|
|
for (i = 0; i < 6; i++) {
|
| 1399 |
|
|
int j;
|
| 1400 |
|
|
if (!(data->has_temp & (1 << i)))
|
| 1401 |
|
|
continue;
|
| 1402 |
|
|
for (j = 0; j < files_temp; j++) {
|
| 1403 |
|
|
err = device_create_file(dev,
|
| 1404 |
|
|
&w83793_temp[(i) * files_temp
|
| 1405 |
|
|
+ j].dev_attr);
|
| 1406 |
|
|
if (err)
|
| 1407 |
|
|
goto exit_remove;
|
| 1408 |
|
|
}
|
| 1409 |
|
|
}
|
| 1410 |
|
|
|
| 1411 |
|
|
for (i = 5; i < 12; i++) {
|
| 1412 |
|
|
int j;
|
| 1413 |
|
|
if (!(data->has_fan & (1 << i)))
|
| 1414 |
|
|
continue;
|
| 1415 |
|
|
for (j = 0; j < files_fan; j++) {
|
| 1416 |
|
|
err = device_create_file(dev,
|
| 1417 |
|
|
&w83793_left_fan[(i - 5) * files_fan
|
| 1418 |
|
|
+ j].dev_attr);
|
| 1419 |
|
|
if (err)
|
| 1420 |
|
|
goto exit_remove;
|
| 1421 |
|
|
}
|
| 1422 |
|
|
}
|
| 1423 |
|
|
|
| 1424 |
|
|
for (i = 3; i < 8; i++) {
|
| 1425 |
|
|
int j;
|
| 1426 |
|
|
if (!(data->has_pwm & (1 << i)))
|
| 1427 |
|
|
continue;
|
| 1428 |
|
|
for (j = 0; j < files_pwm; j++) {
|
| 1429 |
|
|
err = device_create_file(dev,
|
| 1430 |
|
|
&w83793_left_pwm[(i - 3) * files_pwm
|
| 1431 |
|
|
+ j].dev_attr);
|
| 1432 |
|
|
if (err)
|
| 1433 |
|
|
goto exit_remove;
|
| 1434 |
|
|
}
|
| 1435 |
|
|
}
|
| 1436 |
|
|
|
| 1437 |
|
|
data->hwmon_dev = hwmon_device_register(dev);
|
| 1438 |
|
|
if (IS_ERR(data->hwmon_dev)) {
|
| 1439 |
|
|
err = PTR_ERR(data->hwmon_dev);
|
| 1440 |
|
|
goto exit_remove;
|
| 1441 |
|
|
}
|
| 1442 |
|
|
|
| 1443 |
|
|
return 0;
|
| 1444 |
|
|
|
| 1445 |
|
|
/* Unregister sysfs hooks */
|
| 1446 |
|
|
|
| 1447 |
|
|
exit_remove:
|
| 1448 |
|
|
for (i = 0; i < ARRAY_SIZE(w83793_sensor_attr_2); i++)
|
| 1449 |
|
|
device_remove_file(dev, &w83793_sensor_attr_2[i].dev_attr);
|
| 1450 |
|
|
|
| 1451 |
|
|
for (i = 0; i < ARRAY_SIZE(sda_single_files); i++)
|
| 1452 |
|
|
device_remove_file(dev, &sda_single_files[i].dev_attr);
|
| 1453 |
|
|
|
| 1454 |
|
|
for (i = 0; i < ARRAY_SIZE(w83793_vid); i++)
|
| 1455 |
|
|
device_remove_file(dev, &w83793_vid[i].dev_attr);
|
| 1456 |
|
|
|
| 1457 |
|
|
for (i = 0; i < ARRAY_SIZE(w83793_left_fan); i++)
|
| 1458 |
|
|
device_remove_file(dev, &w83793_left_fan[i].dev_attr);
|
| 1459 |
|
|
|
| 1460 |
|
|
for (i = 0; i < ARRAY_SIZE(w83793_left_pwm); i++)
|
| 1461 |
|
|
device_remove_file(dev, &w83793_left_pwm[i].dev_attr);
|
| 1462 |
|
|
|
| 1463 |
|
|
for (i = 0; i < ARRAY_SIZE(w83793_temp); i++)
|
| 1464 |
|
|
device_remove_file(dev, &w83793_temp[i].dev_attr);
|
| 1465 |
|
|
|
| 1466 |
|
|
if (data->lm75[0] != NULL) {
|
| 1467 |
|
|
i2c_detach_client(data->lm75[0]);
|
| 1468 |
|
|
kfree(data->lm75[0]);
|
| 1469 |
|
|
}
|
| 1470 |
|
|
if (data->lm75[1] != NULL) {
|
| 1471 |
|
|
i2c_detach_client(data->lm75[1]);
|
| 1472 |
|
|
kfree(data->lm75[1]);
|
| 1473 |
|
|
}
|
| 1474 |
|
|
detach_client:
|
| 1475 |
|
|
i2c_detach_client(client);
|
| 1476 |
|
|
free_mem:
|
| 1477 |
|
|
kfree(data);
|
| 1478 |
|
|
exit:
|
| 1479 |
|
|
return err;
|
| 1480 |
|
|
}
|
| 1481 |
|
|
|
| 1482 |
|
|
static void w83793_update_nonvolatile(struct device *dev)
|
| 1483 |
|
|
{
|
| 1484 |
|
|
struct i2c_client *client = to_i2c_client(dev);
|
| 1485 |
|
|
struct w83793_data *data = i2c_get_clientdata(client);
|
| 1486 |
|
|
int i, j;
|
| 1487 |
|
|
/*
|
| 1488 |
|
|
They are somewhat "stable" registers, and to update them everytime
|
| 1489 |
|
|
takes so much time, it's just not worthy. Update them in a long
|
| 1490 |
|
|
interval to avoid exception.
|
| 1491 |
|
|
*/
|
| 1492 |
|
|
if (!(time_after(jiffies, data->last_nonvolatile + HZ * 300)
|
| 1493 |
|
|
|| !data->valid))
|
| 1494 |
|
|
return;
|
| 1495 |
|
|
/* update voltage limits */
|
| 1496 |
|
|
for (i = 1; i < 3; i++) {
|
| 1497 |
|
|
for (j = 0; j < ARRAY_SIZE(data->in); j++) {
|
| 1498 |
|
|
data->in[j][i] =
|
| 1499 |
|
|
w83793_read_value(client, W83793_REG_IN[j][i]);
|
| 1500 |
|
|
}
|
| 1501 |
|
|
data->in_low_bits[i] =
|
| 1502 |
|
|
w83793_read_value(client, W83793_REG_IN_LOW_BITS[i]);
|
| 1503 |
|
|
}
|
| 1504 |
|
|
|
| 1505 |
|
|
for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) {
|
| 1506 |
|
|
/* Update the Fan measured value and limits */
|
| 1507 |
|
|
if (!(data->has_fan & (1 << i))) {
|
| 1508 |
|
|
continue;
|
| 1509 |
|
|
}
|
| 1510 |
|
|
data->fan_min[i] =
|
| 1511 |
|
|
w83793_read_value(client, W83793_REG_FAN_MIN(i)) << 8;
|
| 1512 |
|
|
data->fan_min[i] |=
|
| 1513 |
|
|
w83793_read_value(client, W83793_REG_FAN_MIN(i) + 1);
|
| 1514 |
|
|
}
|
| 1515 |
|
|
|
| 1516 |
|
|
for (i = 0; i < ARRAY_SIZE(data->temp_fan_map); i++) {
|
| 1517 |
|
|
if (!(data->has_temp & (1 << i)))
|
| 1518 |
|
|
continue;
|
| 1519 |
|
|
data->temp_fan_map[i] =
|
| 1520 |
|
|
w83793_read_value(client, W83793_REG_TEMP_FAN_MAP(i));
|
| 1521 |
|
|
for (j = 1; j < 5; j++) {
|
| 1522 |
|
|
data->temp[i][j] =
|
| 1523 |
|
|
w83793_read_value(client, W83793_REG_TEMP[i][j]);
|
| 1524 |
|
|
}
|
| 1525 |
|
|
data->temp_cruise[i] =
|
| 1526 |
|
|
w83793_read_value(client, W83793_REG_TEMP_CRUISE(i));
|
| 1527 |
|
|
for (j = 0; j < 7; j++) {
|
| 1528 |
|
|
data->sf2_pwm[i][j] =
|
| 1529 |
|
|
w83793_read_value(client, W83793_REG_SF2_PWM(i, j));
|
| 1530 |
|
|
data->sf2_temp[i][j] =
|
| 1531 |
|
|
w83793_read_value(client,
|
| 1532 |
|
|
W83793_REG_SF2_TEMP(i, j));
|
| 1533 |
|
|
}
|
| 1534 |
|
|
}
|
| 1535 |
|
|
|
| 1536 |
|
|
for (i = 0; i < ARRAY_SIZE(data->temp_mode); i++)
|
| 1537 |
|
|
data->temp_mode[i] =
|
| 1538 |
|
|
w83793_read_value(client, W83793_REG_TEMP_MODE[i]);
|
| 1539 |
|
|
|
| 1540 |
|
|
for (i = 0; i < ARRAY_SIZE(data->tolerance); i++) {
|
| 1541 |
|
|
data->tolerance[i] =
|
| 1542 |
|
|
w83793_read_value(client, W83793_REG_TEMP_TOL(i));
|
| 1543 |
|
|
}
|
| 1544 |
|
|
|
| 1545 |
|
|
for (i = 0; i < ARRAY_SIZE(data->pwm); i++) {
|
| 1546 |
|
|
if (!(data->has_pwm & (1 << i)))
|
| 1547 |
|
|
continue;
|
| 1548 |
|
|
data->pwm[i][PWM_NONSTOP] =
|
| 1549 |
|
|
w83793_read_value(client, W83793_REG_PWM(i, PWM_NONSTOP));
|
| 1550 |
|
|
data->pwm[i][PWM_START] =
|
| 1551 |
|
|
w83793_read_value(client, W83793_REG_PWM(i, PWM_START));
|
| 1552 |
|
|
data->pwm_stop_time[i] =
|
| 1553 |
|
|
w83793_read_value(client, W83793_REG_PWM_STOP_TIME(i));
|
| 1554 |
|
|
}
|
| 1555 |
|
|
|
| 1556 |
|
|
data->pwm_default = w83793_read_value(client, W83793_REG_PWM_DEFAULT);
|
| 1557 |
|
|
data->pwm_enable = w83793_read_value(client, W83793_REG_PWM_ENABLE);
|
| 1558 |
|
|
data->pwm_uptime = w83793_read_value(client, W83793_REG_PWM_UPTIME);
|
| 1559 |
|
|
data->pwm_downtime = w83793_read_value(client, W83793_REG_PWM_DOWNTIME);
|
| 1560 |
|
|
data->temp_critical =
|
| 1561 |
|
|
w83793_read_value(client, W83793_REG_TEMP_CRITICAL);
|
| 1562 |
|
|
data->beep_enable = w83793_read_value(client, W83793_REG_OVT_BEEP);
|
| 1563 |
|
|
|
| 1564 |
|
|
for (i = 0; i < ARRAY_SIZE(data->beeps); i++) {
|
| 1565 |
|
|
data->beeps[i] = w83793_read_value(client, W83793_REG_BEEP(i));
|
| 1566 |
|
|
}
|
| 1567 |
|
|
|
| 1568 |
|
|
data->last_nonvolatile = jiffies;
|
| 1569 |
|
|
}
|
| 1570 |
|
|
|
| 1571 |
|
|
static struct w83793_data *w83793_update_device(struct device *dev)
|
| 1572 |
|
|
{
|
| 1573 |
|
|
struct i2c_client *client = to_i2c_client(dev);
|
| 1574 |
|
|
struct w83793_data *data = i2c_get_clientdata(client);
|
| 1575 |
|
|
int i;
|
| 1576 |
|
|
|
| 1577 |
|
|
mutex_lock(&data->update_lock);
|
| 1578 |
|
|
|
| 1579 |
|
|
if (!(time_after(jiffies, data->last_updated + HZ * 2)
|
| 1580 |
|
|
|| !data->valid))
|
| 1581 |
|
|
goto END;
|
| 1582 |
|
|
|
| 1583 |
|
|
/* Update the voltages measured value and limits */
|
| 1584 |
|
|
for (i = 0; i < ARRAY_SIZE(data->in); i++)
|
| 1585 |
|
|
data->in[i][IN_READ] =
|
| 1586 |
|
|
w83793_read_value(client, W83793_REG_IN[i][IN_READ]);
|
| 1587 |
|
|
|
| 1588 |
|
|
data->in_low_bits[IN_READ] =
|
| 1589 |
|
|
w83793_read_value(client, W83793_REG_IN_LOW_BITS[IN_READ]);
|
| 1590 |
|
|
|
| 1591 |
|
|
for (i = 0; i < ARRAY_SIZE(data->fan); i++) {
|
| 1592 |
|
|
if (!(data->has_fan & (1 << i))) {
|
| 1593 |
|
|
continue;
|
| 1594 |
|
|
}
|
| 1595 |
|
|
data->fan[i] =
|
| 1596 |
|
|
w83793_read_value(client, W83793_REG_FAN(i)) << 8;
|
| 1597 |
|
|
data->fan[i] |=
|
| 1598 |
|
|
w83793_read_value(client, W83793_REG_FAN(i) + 1);
|
| 1599 |
|
|
}
|
| 1600 |
|
|
|
| 1601 |
|
|
for (i = 0; i < ARRAY_SIZE(data->temp); i++) {
|
| 1602 |
|
|
if (!(data->has_temp & (1 << i)))
|
| 1603 |
|
|
continue;
|
| 1604 |
|
|
data->temp[i][TEMP_READ] =
|
| 1605 |
|
|
w83793_read_value(client, W83793_REG_TEMP[i][TEMP_READ]);
|
| 1606 |
|
|
}
|
| 1607 |
|
|
|
| 1608 |
|
|
data->temp_low_bits =
|
| 1609 |
|
|
w83793_read_value(client, W83793_REG_TEMP_LOW_BITS);
|
| 1610 |
|
|
|
| 1611 |
|
|
for (i = 0; i < ARRAY_SIZE(data->pwm); i++) {
|
| 1612 |
|
|
if (data->has_pwm & (1 << i))
|
| 1613 |
|
|
data->pwm[i][PWM_DUTY] =
|
| 1614 |
|
|
w83793_read_value(client,
|
| 1615 |
|
|
W83793_REG_PWM(i, PWM_DUTY));
|
| 1616 |
|
|
}
|
| 1617 |
|
|
|
| 1618 |
|
|
for (i = 0; i < ARRAY_SIZE(data->alarms); i++)
|
| 1619 |
|
|
data->alarms[i] =
|
| 1620 |
|
|
w83793_read_value(client, W83793_REG_ALARM(i));
|
| 1621 |
|
|
if (data->has_vid & 0x01)
|
| 1622 |
|
|
data->vid[0] = w83793_read_value(client, W83793_REG_VID_INA);
|
| 1623 |
|
|
if (data->has_vid & 0x02)
|
| 1624 |
|
|
data->vid[1] = w83793_read_value(client, W83793_REG_VID_INB);
|
| 1625 |
|
|
w83793_update_nonvolatile(dev);
|
| 1626 |
|
|
data->last_updated = jiffies;
|
| 1627 |
|
|
data->valid = 1;
|
| 1628 |
|
|
|
| 1629 |
|
|
END:
|
| 1630 |
|
|
mutex_unlock(&data->update_lock);
|
| 1631 |
|
|
return data;
|
| 1632 |
|
|
}
|
| 1633 |
|
|
|
| 1634 |
|
|
/* Ignore the possibility that somebody change bank outside the driver
|
| 1635 |
|
|
Must be called with data->update_lock held, except during initialization */
|
| 1636 |
|
|
static u8 w83793_read_value(struct i2c_client *client, u16 reg)
|
| 1637 |
|
|
{
|
| 1638 |
|
|
struct w83793_data *data = i2c_get_clientdata(client);
|
| 1639 |
|
|
u8 res = 0xff;
|
| 1640 |
|
|
u8 new_bank = reg >> 8;
|
| 1641 |
|
|
|
| 1642 |
|
|
new_bank |= data->bank & 0xfc;
|
| 1643 |
|
|
if (data->bank != new_bank) {
|
| 1644 |
|
|
if (i2c_smbus_write_byte_data
|
| 1645 |
|
|
(client, W83793_REG_BANKSEL, new_bank) >= 0)
|
| 1646 |
|
|
data->bank = new_bank;
|
| 1647 |
|
|
else {
|
| 1648 |
|
|
dev_err(&client->dev,
|
| 1649 |
|
|
"set bank to %d failed, fall back "
|
| 1650 |
|
|
"to bank %d, read reg 0x%x error\n",
|
| 1651 |
|
|
new_bank, data->bank, reg);
|
| 1652 |
|
|
res = 0x0; /* read 0x0 from the chip */
|
| 1653 |
|
|
goto END;
|
| 1654 |
|
|
}
|
| 1655 |
|
|
}
|
| 1656 |
|
|
res = i2c_smbus_read_byte_data(client, reg & 0xff);
|
| 1657 |
|
|
END:
|
| 1658 |
|
|
return res;
|
| 1659 |
|
|
}
|
| 1660 |
|
|
|
| 1661 |
|
|
/* Must be called with data->update_lock held, except during initialization */
|
| 1662 |
|
|
static int w83793_write_value(struct i2c_client *client, u16 reg, u8 value)
|
| 1663 |
|
|
{
|
| 1664 |
|
|
struct w83793_data *data = i2c_get_clientdata(client);
|
| 1665 |
|
|
int res;
|
| 1666 |
|
|
u8 new_bank = reg >> 8;
|
| 1667 |
|
|
|
| 1668 |
|
|
new_bank |= data->bank & 0xfc;
|
| 1669 |
|
|
if (data->bank != new_bank) {
|
| 1670 |
|
|
if ((res = i2c_smbus_write_byte_data
|
| 1671 |
|
|
(client, W83793_REG_BANKSEL, new_bank)) >= 0)
|
| 1672 |
|
|
data->bank = new_bank;
|
| 1673 |
|
|
else {
|
| 1674 |
|
|
dev_err(&client->dev,
|
| 1675 |
|
|
"set bank to %d failed, fall back "
|
| 1676 |
|
|
"to bank %d, write reg 0x%x error\n",
|
| 1677 |
|
|
new_bank, data->bank, reg);
|
| 1678 |
|
|
goto END;
|
| 1679 |
|
|
}
|
| 1680 |
|
|
}
|
| 1681 |
|
|
|
| 1682 |
|
|
res = i2c_smbus_write_byte_data(client, reg & 0xff, value);
|
| 1683 |
|
|
END:
|
| 1684 |
|
|
return res;
|
| 1685 |
|
|
}
|
| 1686 |
|
|
|
| 1687 |
|
|
static int __init sensors_w83793_init(void)
|
| 1688 |
|
|
{
|
| 1689 |
|
|
return i2c_add_driver(&w83793_driver);
|
| 1690 |
|
|
}
|
| 1691 |
|
|
|
| 1692 |
|
|
static void __exit sensors_w83793_exit(void)
|
| 1693 |
|
|
{
|
| 1694 |
|
|
i2c_del_driver(&w83793_driver);
|
| 1695 |
|
|
}
|
| 1696 |
|
|
|
| 1697 |
|
|
MODULE_AUTHOR("Yuan Mu");
|
| 1698 |
|
|
MODULE_DESCRIPTION("w83793 driver");
|
| 1699 |
|
|
MODULE_LICENSE("GPL");
|
| 1700 |
|
|
|
| 1701 |
|
|
module_init(sensors_w83793_init);
|
| 1702 |
|
|
module_exit(sensors_w83793_exit);
|
