/* w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware monitoring Copyright (c) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>, Philip Edelbrock <phil@netroedge.com>, and Mark Studebaker <mdsxyz123@yahoo.com> Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Supports following chips: Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC) w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC) w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC) For other winbond chips, and for i2c support in the above chips, use w83781d.c. Note: automatic ("cruise") fan control for 697, 637 & 627thf not supported yet. */ #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/jiffies.h> #include <linux/i2c.h> #include <linux/i2c-isa.h> #include <linux/hwmon.h> #include <linux/hwmon-vid.h> #include <linux/err.h> #include <asm/io.h> #include "lm75.h" static u16 force_addr; module_param(force_addr, ushort, 0); MODULE_PARM_DESC(force_addr, "Initialize the base address of the sensors"); static u8 force_i2c = 0x1f; module_param(force_i2c, byte, 0); MODULE_PARM_DESC(force_i2c, "Initialize the i2c address of the sensors"); /* The actual ISA address is read from Super-I/O configuration space */ static unsigned short address; /* Insmod parameters */ enum chips { any_chip, w83627hf, w83627thf, w83697hf, w83637hf }; static int reset; module_param(reset, bool, 0); MODULE_PARM_DESC(reset, "Set to one to reset chip on load"); static int init = 1; module_param(init, bool, 0); MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); /* modified from kernel/include/traps.c */ static int REG; /* The register to read/write */ #define DEV 0x07 /* Register: Logical device select */ static int VAL; /* The value to read/write */ /* logical device numbers for superio_select (below) */ #define W83627HF_LD_FDC 0x00 #define W83627HF_LD_PRT 0x01 #define W83627HF_LD_UART1 0x02 #define W83627HF_LD_UART2 0x03 #define W83627HF_LD_KBC 0x05 #define W83627HF_LD_CIR 0x06 /* w83627hf only */ #define W83627HF_LD_GAME 0x07 #define W83627HF_LD_MIDI 0x07 #define W83627HF_LD_GPIO1 0x07 #define W83627HF_LD_GPIO5 0x07 /* w83627thf only */ #define W83627HF_LD_GPIO2 0x08 #define W83627HF_LD_GPIO3 0x09 #define W83627HF_LD_GPIO4 0x09 /* w83627thf only */ #define W83627HF_LD_ACPI 0x0a #define W83627HF_LD_HWM 0x0b #define DEVID 0x20 /* Register: Device ID */ #define W83627THF_GPIO5_EN 0x30 /* w83627thf only */ #define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */ #define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */ static inline void superio_outb(int reg, int val) { outb(reg, REG); outb(val, VAL); } static inline int superio_inb(int reg) { outb(reg, REG); return inb(VAL); } static inline void superio_select(int ld) { outb(DEV, REG); outb(ld, VAL); } static inline void superio_enter(void) { outb(0x87, REG); outb(0x87, REG); } static inline void superio_exit(void) { outb(0xAA, REG); } #define W627_DEVID 0x52 #define W627THF_DEVID 0x82 #define W697_DEVID 0x60 #define W637_DEVID 0x70 #define WINB_ACT_REG 0x30 #define WINB_BASE_REG 0x60 /* Constants specified below */ /* Length of ISA address segment */ #define WINB_EXTENT 8 /* Where are the ISA address/data registers relative to the base address */ #define W83781D_ADDR_REG_OFFSET 5 #define W83781D_DATA_REG_OFFSET 6 /* The W83781D registers */ /* The W83782D registers for nr=7,8 are in bank 5 */ #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ (0x554 + (((nr) - 7) * 2))) #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ (0x555 + (((nr) - 7) * 2))) #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ (0x550 + (nr) - 7)) #define W83781D_REG_FAN_MIN(nr) (0x3a + (nr)) #define W83781D_REG_FAN(nr) (0x27 + (nr)) #define W83781D_REG_TEMP2_CONFIG 0x152 #define W83781D_REG_TEMP3_CONFIG 0x252 #define W83781D_REG_TEMP(nr) ((nr == 3) ? (0x0250) : \ ((nr == 2) ? (0x0150) : \ (0x27))) #define W83781D_REG_TEMP_HYST(nr) ((nr == 3) ? (0x253) : \ ((nr == 2) ? (0x153) : \ (0x3A))) #define W83781D_REG_TEMP_OVER(nr) ((nr == 3) ? (0x255) : \ ((nr == 2) ? (0x155) : \ (0x39))) #define W83781D_REG_BANK 0x4E #define W83781D_REG_CONFIG 0x40 #define W83781D_REG_ALARM1 0x41 #define W83781D_REG_ALARM2 0x42 #define W83781D_REG_ALARM3 0x450 #define W83781D_REG_IRQ 0x4C #define W83781D_REG_BEEP_CONFIG 0x4D #define W83781D_REG_BEEP_INTS1 0x56 #define W83781D_REG_BEEP_INTS2 0x57 #define W83781D_REG_BEEP_INTS3 0x453 #define W83781D_REG_VID_FANDIV 0x47 #define W83781D_REG_CHIPID 0x49 #define W83781D_REG_WCHIPID 0x58 #define W83781D_REG_CHIPMAN 0x4F #define W83781D_REG_PIN 0x4B #define W83781D_REG_VBAT 0x5D #define W83627HF_REG_PWM1 0x5A #define W83627HF_REG_PWM2 0x5B #define W83627HF_REG_PWMCLK12 0x5C #define W83627THF_REG_PWM1 0x01 /* 697HF and 637HF too */ #define W83627THF_REG_PWM2 0x03 /* 697HF and 637HF too */ #define W83627THF_REG_PWM3 0x11 /* 637HF too */ #define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF too */ static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 }; static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2, W83627THF_REG_PWM3 }; #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \ regpwm_627hf[(nr) - 1] : regpwm[(nr) - 1]) #define W83781D_REG_I2C_ADDR 0x48 #define W83781D_REG_I2C_SUBADDR 0x4A /* Sensor selection */ #define W83781D_REG_SCFG1 0x5D static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 }; #define W83781D_REG_SCFG2 0x59 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 }; #define W83781D_DEFAULT_BETA 3435 /* Conversions. Limit checking is only done on the TO_REG variants. Note that you should be a bit careful with which arguments these macros are called: arguments may be evaluated more than once. Fixing this is just not worth it. */ #define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8)/16),0,255)) #define IN_FROM_REG(val) ((val) * 16) static inline u8 FAN_TO_REG(long rpm, int div) { if (rpm == 0) return 255; rpm = SENSORS_LIMIT(rpm, 1, 1000000); return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); } #define TEMP_MIN (-128000) #define TEMP_MAX ( 127000) /* TEMP: 0.001C/bit (-128C to +127C) REG: 1C/bit, two's complement */ static u8 TEMP_TO_REG(int temp) { int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX); ntemp += (ntemp<0 ? -500 : 500); return (u8)(ntemp / 1000); } static int TEMP_FROM_REG(u8 reg) { return (s8)reg * 1000; } #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div))) #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255)) #define BEEP_MASK_FROM_REG(val) (val) #define BEEP_MASK_TO_REG(val) ((val) & 0xffffff) #define BEEP_ENABLE_TO_REG(val) ((val)?1:0) #define BEEP_ENABLE_FROM_REG(val) ((val)?1:0) #define DIV_FROM_REG(val) (1 << (val)) static inline u8 DIV_TO_REG(long val) { int i; val = SENSORS_LIMIT(val, 1, 128) >> 1; for (i = 0; i < 7; i++) { if (val == 0) break; val >>= 1; } return ((u8) i); } /* For each registered chip, we need to keep some data in memory. That data is pointed to by w83627hf_list[NR]->data. The structure itself is dynamically allocated, at the same time when a new client is allocated. */ struct w83627hf_data { struct i2c_client client; struct class_device *class_dev; struct semaphore lock; enum chips type; struct semaphore update_lock; char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ struct i2c_client *lm75; /* for secondary I2C addresses */ /* pointer to array of 2 subclients */ u8 in[9]; /* Register value */ u8 in_max[9]; /* Register value */ u8 in_min[9]; /* Register value */ u8 fan[3]; /* Register value */ u8 fan_min[3]; /* Register value */ u8 temp; u8 temp_max; /* Register value */ u8 temp_max_hyst; /* Register value */ u16 temp_add[2]; /* Register value */ u16 temp_max_add[2]; /* Register value */ u16 temp_max_hyst_add[2]; /* Register value */ u8 fan_div[3]; /* Register encoding, shifted right */ u8 vid; /* Register encoding, combined */ u32 alarms; /* Register encoding, combined */ u32 beep_mask; /* Register encoding, combined */ u8 beep_enable; /* Boolean */ u8 pwm[3]; /* Register value */ u16 sens[3]; /* 782D/783S only. 1 = pentium diode; 2 = 3904 diode; 3000-5000 = thermistor beta. Default = 3435. Other Betas unimplemented */ u8 vrm; u8 vrm_ovt; /* Register value, 627thf & 637hf only */ }; static int w83627hf_detect(struct i2c_adapter *adapter); static int w83627hf_detach_client(struct i2c_client *client); static int w83627hf_read_value(struct i2c_client *client, u16 register); static int w83627hf_write_value(struct i2c_client *client, u16 register, u16 value); static struct w83627hf_data *w83627hf_update_device(struct device *dev); static void w83627hf_init_client(struct i2c_client *client); static struct i2c_driver w83627hf_driver = { .owner = THIS_MODULE, .name = "w83627hf", .attach_adapter = w83627hf_detect, .detach_client = w83627hf_detach_client, }; /* following are the sysfs callback functions */ #define show_in_reg(reg) \ static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ { \ struct w83627hf_data *data = w83627hf_update_device(dev); \ return sprintf(buf,"%ld\n", (long)IN_FROM_REG(data->reg[nr])); \ } show_in_reg(in) show_in_reg(in_min) show_in_reg(in_max) #define store_in_reg(REG, reg) \ static ssize_t \ store_in_##reg (struct device *dev, const char *buf, size_t count, int nr) \ { \ struct i2c_client *client = to_i2c_client(dev); \ struct w83627hf_data *data = i2c_get_clientdata(client); \ u32 val; \ \ val = simple_strtoul(buf, NULL, 10); \ \ down(&data->update_lock); \ data->in_##reg[nr] = IN_TO_REG(val); \ w83627hf_write_value(client, W83781D_REG_IN_##REG(nr), \ data->in_##reg[nr]); \ \ up(&data->update_lock); \ return count; \ } store_in_reg(MIN, min) store_in_reg(MAX, max) #define sysfs_in_offset(offset) \ static ssize_t \ show_regs_in_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_in(dev, buf, offset); \ } \ static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_regs_in_##offset, NULL); #define sysfs_in_reg_offset(reg, offset) \ static ssize_t show_regs_in_##reg##offset (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_in_##reg (dev, buf, offset); \ } \ static ssize_t \ store_regs_in_##reg##offset (struct device *dev, struct device_attribute *attr, \ const char *buf, size_t count) \ { \ return store_in_##reg (dev, buf, count, offset); \ } \ static DEVICE_ATTR(in##offset##_##reg, S_IRUGO| S_IWUSR, \ show_regs_in_##reg##offset, store_regs_in_##reg##offset); #define sysfs_in_offsets(offset) \ sysfs_in_offset(offset) \ sysfs_in_reg_offset(min, offset) \ sysfs_in_reg_offset(max, offset) sysfs_in_offsets(1); sysfs_in_offsets(2); sysfs_in_offsets(3); sysfs_in_offsets(4); sysfs_in_offsets(5); sysfs_in_offsets(6); sysfs_in_offsets(7); sysfs_in_offsets(8); /* use a different set of functions for in0 */ static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg) { long in0; if ((data->vrm_ovt & 0x01) && (w83627thf == data->type || w83637hf == data->type)) /* use VRM9 calculation */ in0 = (long)((reg * 488 + 70000 + 50) / 100); else /* use VRM8 (standard) calculation */ in0 = (long)IN_FROM_REG(reg); return sprintf(buf,"%ld\n", in0); } static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf) { struct w83627hf_data *data = w83627hf_update_device(dev); return show_in_0(data, buf, data->in[0]); } static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf) { struct w83627hf_data *data = w83627hf_update_device(dev); return show_in_0(data, buf, data->in_min[0]); } static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf) { struct w83627hf_data *data = w83627hf_update_device(dev); return show_in_0(data, buf, data->in_max[0]); } static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct w83627hf_data *data = i2c_get_clientdata(client); u32 val; val = simple_strtoul(buf, NULL, 10); down(&data->update_lock); if ((data->vrm_ovt & 0x01) && (w83627thf == data->type || w83637hf == data->type)) /* use VRM9 calculation */ data->in_min[0] = (u8)(((val * 100) - 70000 + 244) / 488); else /* use VRM8 (standard) calculation */ data->in_min[0] = IN_TO_REG(val); w83627hf_write_value(client, W83781D_REG_IN_MIN(0), data->in_min[0]); up(&data->update_lock); return count; } static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct w83627hf_data *data = i2c_get_clientdata(client); u32 val; val = simple_strtoul(buf, NULL, 10); down(&data->update_lock); if ((data->vrm_ovt & 0x01) && (w83627thf == data->type || w83637hf == data->type)) /* use VRM9 calculation */ data->in_max[0] = (u8)(((val * 100) - 70000 + 244) / 488); else /* use VRM8 (standard) calculation */ data->in_max[0] = IN_TO_REG(val); w83627hf_write_value(client, W83781D_REG_IN_MAX(0), data->in_max[0]); up(&data->update_lock); return count; } static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL); static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR, show_regs_in_min0, store_regs_in_min0); static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR, show_regs_in_max0, store_regs_in_max0); #define device_create_file_in(client, offset) \ do { \ device_create_file(&client->dev, &dev_attr_in##offset##_input); \ device_create_file(&client->dev, &dev_attr_in##offset##_min); \ device_create_file(&client->dev, &dev_attr_in##offset##_max); \ } while (0) #define show_fan_reg(reg) \ static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ { \ struct w83627hf_data *data = w83627hf_update_device(dev); \ return sprintf(buf,"%ld\n", \ FAN_FROM_REG(data->reg[nr-1], \ (long)DIV_FROM_REG(data->fan_div[nr-1]))); \ } show_fan_reg(fan); show_fan_reg(fan_min); static ssize_t store_fan_min(struct device *dev, const char *buf, size_t count, int nr) { struct i2c_client *client = to_i2c_client(dev); struct w83627hf_data *data = i2c_get_clientdata(client); u32 val; val = simple_strtoul(buf, NULL, 10); down(&data->update_lock); data->fan_min[nr - 1] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr - 1])); w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr), data->fan_min[nr - 1]); up(&data->update_lock); return count; } #define sysfs_fan_offset(offset) \ static ssize_t show_regs_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_fan(dev, buf, offset); \ } \ static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_regs_fan_##offset, NULL); #define sysfs_fan_min_offset(offset) \ static ssize_t show_regs_fan_min##offset (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_fan_min(dev, buf, offset); \ } \ static ssize_t \ store_regs_fan_min##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ { \ return store_fan_min(dev, buf, count, offset); \ } \ static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ show_regs_fan_min##offset, store_regs_fan_min##offset); sysfs_fan_offset(1); sysfs_fan_min_offset(1); sysfs_fan_offset(2); sysfs_fan_min_offset(2); sysfs_fan_offset(3); sysfs_fan_min_offset(3); #define device_create_file_fan(client, offset) \ do { \ device_create_file(&client->dev, &dev_attr_fan##offset##_input); \ device_create_file(&client->dev, &dev_attr_fan##offset##_min); \ } while (0) #define show_temp_reg(reg) \ static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ { \ struct w83627hf_data *data = w83627hf_update_device(dev); \ if (nr >= 2) { /* TEMP2 and TEMP3 */ \ return sprintf(buf,"%ld\n", \ (long)LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \ } else { /* TEMP1 */ \ return sprintf(buf,"%ld\n", (long)TEMP_FROM_REG(data->reg)); \ } \ } show_temp_reg(temp); show_temp_reg(temp_max); show_temp_reg(temp_max_hyst); #define store_temp_reg(REG, reg) \ static ssize_t \ store_temp_##reg (struct device *dev, const char *buf, size_t count, int nr) \ { \ struct i2c_client *client = to_i2c_client(dev); \ struct w83627hf_data *data = i2c_get_clientdata(client); \ u32 val; \ \ val = simple_strtoul(buf, NULL, 10); \ \ down(&data->update_lock); \ \ if (nr >= 2) { /* TEMP2 and TEMP3 */ \ data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \ w83627hf_write_value(client, W83781D_REG_TEMP_##REG(nr), \ data->temp_##reg##_add[nr-2]); \ } else { /* TEMP1 */ \ data->temp_##reg = TEMP_TO_REG(val); \ w83627hf_write_value(client, W83781D_REG_TEMP_##REG(nr), \ data->temp_##reg); \ } \ \ up(&data->update_lock); \ return count; \ } store_temp_reg(OVER, max); store_temp_reg(HYST, max_hyst); #define sysfs_temp_offset(offset) \ static ssize_t \ show_regs_temp_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_temp(dev, buf, offset); \ } \ static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_regs_temp_##offset, NULL); #define sysfs_temp_reg_offset(reg, offset) \ static ssize_t show_regs_temp_##reg##offset (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_temp_##reg (dev, buf, offset); \ } \ static ssize_t \ store_regs_temp_##reg##offset (struct device *dev, struct device_attribute *attr, \ const char *buf, size_t count) \ { \ return store_temp_##reg (dev, buf, count, offset); \ } \ static DEVICE_ATTR(temp##offset##_##reg, S_IRUGO| S_IWUSR, \ show_regs_temp_##reg##offset, store_regs_temp_##reg##offset); #define sysfs_temp_offsets(offset) \ sysfs_temp_offset(offset) \ sysfs_temp_reg_offset(max, offset) \ sysfs_temp_reg_offset(max_hyst, offset) sysfs_temp_offsets(1); sysfs_temp_offsets(2); sysfs_temp_offsets(3); #define device_create_file_temp(client, offset) \ do { \ device_create_file(&client->dev, &dev_attr_temp##offset##_input); \ device_create_file(&client->dev, &dev_attr_temp##offset##_max); \ device_create_file(&client->dev, &dev_attr_temp##offset##_max_hyst); \ } while (0) static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) { struct w83627hf_data *data = w83627hf_update_device(dev); return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); } static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); #define device_create_file_vid(client) \ device_create_file(&client->dev, &dev_attr_cpu0_vid) static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) { struct w83627hf_data *data = w83627hf_update_device(dev); return sprintf(buf, "%ld\n", (long) data->vrm); } static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct w83627hf_data *data = i2c_get_clientdata(client); u32 val; val = simple_strtoul(buf, NULL, 10); data->vrm = val; return count; } static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); #define device_create_file_vrm(client) \ device_create_file(&client->dev, &dev_attr_vrm) static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) { struct w83627hf_data *data = w83627hf_update_device(dev); return sprintf(buf, "%ld\n", (long) data->alarms); } static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); #define device_create_file_alarms(client) \ device_create_file(&client->dev, &dev_attr_alarms) #define show_beep_reg(REG, reg) \ static ssize_t show_beep_##reg (struct device *dev, struct device_attribute *attr, char *buf) \ { \ struct w83627hf_data *data = w83627hf_update_device(dev); \ return sprintf(buf,"%ld\n", \ (long)BEEP_##REG##_FROM_REG(data->beep_##reg)); \ } show_beep_reg(ENABLE, enable) show_beep_reg(MASK, mask) #define BEEP_ENABLE 0 /* Store beep_enable */ #define BEEP_MASK 1 /* Store beep_mask */ static ssize_t store_beep_reg(struct device *dev, const char *buf, size_t count, int update_mask) { struct i2c_client *client = to_i2c_client(dev); struct w83627hf_data *data = i2c_get_clientdata(client); u32 val, val2; val = simple_strtoul(buf, NULL, 10); down(&data->update_lock); if (update_mask == BEEP_MASK) { /* We are storing beep_mask */ data->beep_mask = BEEP_MASK_TO_REG(val); w83627hf_write_value(client, W83781D_REG_BEEP_INTS1, data->beep_mask & 0xff); w83627hf_write_value(client, W83781D_REG_BEEP_INTS3, ((data->beep_mask) >> 16) & 0xff); val2 = (data->beep_mask >> 8) & 0x7f; } else { /* We are storing beep_enable */ val2 = w83627hf_read_value(client, W83781D_REG_BEEP_INTS2) & 0x7f; data->beep_enable = BEEP_ENABLE_TO_REG(val); } w83627hf_write_value(client, W83781D_REG_BEEP_INTS2, val2 | data->beep_enable << 7); up(&data->update_lock); return count; } #define sysfs_beep(REG, reg) \ static ssize_t show_regs_beep_##reg (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_beep_##reg(dev, attr, buf); \ } \ static ssize_t \ store_regs_beep_##reg (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ { \ return store_beep_reg(dev, buf, count, BEEP_##REG); \ } \ static DEVICE_ATTR(beep_##reg, S_IRUGO | S_IWUSR, \ show_regs_beep_##reg, store_regs_beep_##reg); sysfs_beep(ENABLE, enable); sysfs_beep(MASK, mask); #define device_create_file_beep(client) \ do { \ device_create_file(&client->dev, &dev_attr_beep_enable); \ device_create_file(&client->dev, &dev_attr_beep_mask); \ } while (0) static ssize_t show_fan_div_reg(struct device *dev, char *buf, int nr) { struct w83627hf_data *data = w83627hf_update_device(dev); return sprintf(buf, "%ld\n", (long) DIV_FROM_REG(data->fan_div[nr - 1])); } /* Note: we save and restore the fan minimum here, because its value is determined in part by the fan divisor. This follows the principle of least suprise; the user doesn't expect the fan minimum to change just because the divisor changed. */ static ssize_t store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr) { struct i2c_client *client = to_i2c_client(dev); struct w83627hf_data *data = i2c_get_clientdata(client); unsigned long min; u8 reg; unsigned long val = simple_strtoul(buf, NULL, 10); down(&data->update_lock); /* Save fan_min */ min = FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])); data->fan_div[nr] = DIV_TO_REG(val); reg = (w83627hf_read_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) & (nr==0 ? 0xcf : 0x3f)) | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); w83627hf_write_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); reg = (w83627hf_read_value(client, W83781D_REG_VBAT) & ~(1 << (5 + nr))) | ((data->fan_div[nr] & 0x04) << (3 + nr)); w83627hf_write_value(client, W83781D_REG_VBAT, reg); /* Restore fan_min */ data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]); up(&data->update_lock); return count; } #define sysfs_fan_div(offset) \ static ssize_t show_regs_fan_div_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_fan_div_reg(dev, buf, offset); \ } \ static ssize_t \ store_regs_fan_div_##offset (struct device *dev, struct device_attribute *attr, \ const char *buf, size_t count) \ { \ return store_fan_div_reg(dev, buf, count, offset - 1); \ } \ static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ show_regs_fan_div_##offset, store_regs_fan_div_##offset); sysfs_fan_div(1); sysfs_fan_div(2); sysfs_fan_div(3); #define device_create_file_fan_div(client, offset) \ do { \ device_create_file(&client->dev, &dev_attr_fan##offset##_div); \ } while (0) static ssize_t show_pwm_reg(struct device *dev, char *buf, int nr) { struct w83627hf_data *data = w83627hf_update_device(dev); return sprintf(buf, "%ld\n", (long) data->pwm[nr - 1]); } static ssize_t store_pwm_reg(struct device *dev, const char *buf, size_t count, int nr) { struct i2c_client *client = to_i2c_client(dev); struct w83627hf_data *data = i2c_get_clientdata(client); u32 val; val = simple_strtoul(buf, NULL, 10); down(&data->update_lock); if (data->type == w83627thf) { /* bits 0-3 are reserved in 627THF */ data->pwm[nr - 1] = PWM_TO_REG(val) & 0xf0; w83627hf_write_value(client, W836X7HF_REG_PWM(data->type, nr), data->pwm[nr - 1] | (w83627hf_read_value(client, W836X7HF_REG_PWM(data->type, nr)) & 0x0f)); } else { data->pwm[nr - 1] = PWM_TO_REG(val); w83627hf_write_value(client, W836X7HF_REG_PWM(data->type, nr), data->pwm[nr - 1]); } up(&data->update_lock); return count; } #define sysfs_pwm(offset) \ static ssize_t show_regs_pwm_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_pwm_reg(dev, buf, offset); \ } \ static ssize_t \ store_regs_pwm_##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ { \ return store_pwm_reg(dev, buf, count, offset); \ } \ static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ show_regs_pwm_##offset, store_regs_pwm_##offset); sysfs_pwm(1); sysfs_pwm(2); sysfs_pwm(3); #define device_create_file_pwm(client, offset) \ do { \ device_create_file(&client->dev, &dev_attr_pwm##offset); \ } while (0) static ssize_t show_sensor_reg(struct device *dev, char *buf, int nr) { struct w83627hf_data *data = w83627hf_update_device(dev); return sprintf(buf, "%ld\n", (long) data->sens[nr - 1]); } static ssize_t store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr) { struct i2c_client *client = to_i2c_client(dev); struct w83627hf_data *data = i2c_get_clientdata(client); u32 val, tmp; val = simple_strtoul(buf, NULL, 10); down(&data->update_lock); switch (val) { case 1: /* PII/Celeron diode */ tmp = w83627hf_read_value(client, W83781D_REG_SCFG1); w83627hf_write_value(client, W83781D_REG_SCFG1, tmp | BIT_SCFG1[nr - 1]); tmp = w83627hf_read_value(client, W83781D_REG_SCFG2); w83627hf_write_value(client, W83781D_REG_SCFG2, tmp | BIT_SCFG2[nr - 1]); data->sens[nr - 1] = val; break; case 2: /* 3904 */ tmp = w83627hf_read_value(client, W83781D_REG_SCFG1); w83627hf_write_value(client, W83781D_REG_SCFG1, tmp | BIT_SCFG1[nr - 1]); tmp = w83627hf_read_value(client, W83781D_REG_SCFG2); w83627hf_write_value(client, W83781D_REG_SCFG2, tmp & ~BIT_SCFG2[nr - 1]); data->sens[nr - 1] = val; break; case W83781D_DEFAULT_BETA: /* thermistor */ tmp = w83627hf_read_value(client, W83781D_REG_SCFG1); w83627hf_write_value(client, W83781D_REG_SCFG1, tmp & ~BIT_SCFG1[nr - 1]); data->sens[nr - 1] = val; break; default: dev_err(&client->dev, "Invalid sensor type %ld; must be 1, 2, or %d\n", (long) val, W83781D_DEFAULT_BETA); break; } up(&data->update_lock); return count; } #define sysfs_sensor(offset) \ static ssize_t show_regs_sensor_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_sensor_reg(dev, buf, offset); \ } \ static ssize_t \ store_regs_sensor_##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ { \ return store_sensor_reg(dev, buf, count, offset); \ } \ static DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \ show_regs_sensor_##offset, store_regs_sensor_##offset); sysfs_sensor(1); sysfs_sensor(2); sysfs_sensor(3); #define device_create_file_sensor(client, offset) \ do { \ device_create_file(&client->dev, &dev_attr_temp##offset##_type); \ } while (0) static int __init w83627hf_find(int sioaddr, unsigned short *addr) { u16 val; REG = sioaddr; VAL = sioaddr + 1; superio_enter(); val= superio_inb(DEVID); if(val != W627_DEVID && val != W627THF_DEVID && val != W697_DEVID && val != W637_DEVID) { superio_exit(); return -ENODEV; } superio_select(W83627HF_LD_HWM); val = (superio_inb(WINB_BASE_REG) << 8) | superio_inb(WINB_BASE_REG + 1); *addr = val & ~(WINB_EXTENT - 1); if (*addr == 0 && force_addr == 0) { superio_exit(); return -ENODEV; } superio_exit(); return 0; } static int w83627hf_detect(struct i2c_adapter *adapter) { int val, kind; struct i2c_client *new_client; struct w83627hf_data *data; int err = 0; const char *client_name = ""; if(force_addr) address = force_addr & ~(WINB_EXTENT - 1); if (!request_region(address, WINB_EXTENT, w83627hf_driver.name)) { err = -EBUSY; goto ERROR0; } if(force_addr) { printk("w83627hf.o: forcing ISA address 0x%04X\n", address); superio_enter(); superio_select(W83627HF_LD_HWM); superio_outb(WINB_BASE_REG, address >> 8); superio_outb(WINB_BASE_REG+1, address & 0xff); superio_exit(); } superio_enter(); val= superio_inb(DEVID); if(val == W627_DEVID) kind = w83627hf; else if(val == W697_DEVID) kind = w83697hf; else if(val == W627THF_DEVID) kind = w83627thf; else if(val == W637_DEVID) kind = w83637hf; else { dev_info(&adapter->dev, "Unsupported chip (dev_id=0x%02X).\n", val); goto ERROR1; } superio_select(W83627HF_LD_HWM); if((val = 0x01 & superio_inb(WINB_ACT_REG)) == 0) superio_outb(WINB_ACT_REG, 1); superio_exit(); /* OK. For now, we presume we have a valid client. We now create the client structure, even though we cannot fill it completely yet. But it allows us to access w83627hf_{read,write}_value. */ if (!(data = kmalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) { err = -ENOMEM; goto ERROR1; } memset(data, 0, sizeof(struct w83627hf_data)); new_client = &data->client; i2c_set_clientdata(new_client, data); new_client->addr = address; init_MUTEX(&data->lock); new_client->adapter = adapter; new_client->driver = &w83627hf_driver; new_client->flags = 0; if (kind == w83627hf) { client_name = "w83627hf"; } else if (kind == w83627thf) { client_name = "w83627thf"; } else if (kind == w83697hf) { client_name = "w83697hf"; } else if (kind == w83637hf) { client_name = "w83637hf"; } /* Fill in the remaining client fields and put into the global list */ strlcpy(new_client->name, client_name, I2C_NAME_SIZE); data->type = kind; data->valid = 0; init_MUTEX(&data->update_lock); /* Tell the I2C layer a new client has arrived */ if ((err = i2c_attach_client(new_client))) goto ERROR2; data->lm75 = NULL; /* Initialize the chip */ w83627hf_init_client(new_client); /* A few vars need to be filled upon startup */ data->fan_min[0] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(1)); data->fan_min[1] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(2)); data->fan_min[2] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(3)); /* Register sysfs hooks */ data->class_dev = hwmon_device_register(&new_client->dev); if (IS_ERR(data->class_dev)) { err = PTR_ERR(data->class_dev); goto ERROR3; } device_create_file_in(new_client, 0); if (kind != w83697hf) device_create_file_in(new_client, 1); device_create_file_in(new_client, 2); device_create_file_in(new_client, 3); device_create_file_in(new_client, 4); if (kind != w83627thf && kind != w83637hf) { device_create_file_in(new_client, 5); device_create_file_in(new_client, 6); } device_create_file_in(new_client, 7); device_create_file_in(new_client, 8); device_create_file_fan(new_client, 1); device_create_file_fan(new_client, 2); if (kind != w83697hf) device_create_file_fan(new_client, 3); device_create_file_temp(new_client, 1); device_create_file_temp(new_client, 2); if (kind != w83697hf) device_create_file_temp(new_client, 3); if (kind != w83697hf) device_create_file_vid(new_client); if (kind != w83697hf) device_create_file_vrm(new_client); device_create_file_fan_div(new_client, 1); device_create_file_fan_div(new_client, 2); if (kind != w83697hf) device_create_file_fan_div(new_client, 3); device_create_file_alarms(new_client); device_create_file_beep(new_client); device_create_file_pwm(new_client, 1); device_create_file_pwm(new_client, 2); if (kind == w83627thf || kind == w83637hf) device_create_file_pwm(new_client, 3); device_create_file_sensor(new_client, 1); device_create_file_sensor(new_client, 2); if (kind != w83697hf) device_create_file_sensor(new_client, 3); return 0; ERROR3: i2c_detach_client(new_client); ERROR2: kfree(data); ERROR1: release_region(address, WINB_EXTENT); ERROR0: return err; } static int w83627hf_detach_client(struct i2c_client *client) { struct w83627hf_data *data = i2c_get_clientdata(client); int err; hwmon_device_unregister(data->class_dev); if ((err = i2c_detach_client(client))) return err; release_region(client->addr, WINB_EXTENT); kfree(data); return 0; } /* ISA access must always be locked explicitly! We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks, would slow down the W83781D access and should not be necessary. There are some ugly typecasts here, but the good news is - they should nowhere else be necessary! */ static int w83627hf_read_value(struct i2c_client *client, u16 reg) { struct w83627hf_data *data = i2c_get_clientdata(client); int res, word_sized; down(&data->lock); word_sized = (((reg & 0xff00) == 0x100) || ((reg & 0xff00) == 0x200)) && (((reg & 0x00ff) == 0x50) || ((reg & 0x00ff) == 0x53) || ((reg & 0x00ff) == 0x55)); if (reg & 0xff00) { outb_p(W83781D_REG_BANK, client->addr + W83781D_ADDR_REG_OFFSET); outb_p(reg >> 8, client->addr + W83781D_DATA_REG_OFFSET); } outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET); res = inb_p(client->addr + W83781D_DATA_REG_OFFSET); if (word_sized) { outb_p((reg & 0xff) + 1, client->addr + W83781D_ADDR_REG_OFFSET); res = (res << 8) + inb_p(client->addr + W83781D_DATA_REG_OFFSET); } if (reg & 0xff00) { outb_p(W83781D_REG_BANK, client->addr + W83781D_ADDR_REG_OFFSET); outb_p(0, client->addr + W83781D_DATA_REG_OFFSET); } up(&data->lock); return res; } static int w83627thf_read_gpio5(struct i2c_client *client) { int res = 0xff, sel; superio_enter(); superio_select(W83627HF_LD_GPIO5); /* Make sure these GPIO pins are enabled */ if (!(superio_inb(W83627THF_GPIO5_EN) & (1<<3))) { dev_dbg(&client->dev, "GPIO5 disabled, no VID function\n"); goto exit; } /* Make sure the pins are configured for input There must be at least five (VRM 9), and possibly 6 (VRM 10) */ sel = superio_inb(W83627THF_GPIO5_IOSR); if ((sel & 0x1f) != 0x1f) { dev_dbg(&client->dev, "GPIO5 not configured for VID " "function\n"); goto exit; } dev_info(&client->dev, "Reading VID from GPIO5\n"); res = superio_inb(W83627THF_GPIO5_DR) & sel; exit: superio_exit(); return res; } static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value) { struct w83627hf_data *data = i2c_get_clientdata(client); int word_sized; down(&data->lock); word_sized = (((reg & 0xff00) == 0x100) || ((reg & 0xff00) == 0x200)) && (((reg & 0x00ff) == 0x53) || ((reg & 0x00ff) == 0x55)); if (reg & 0xff00) { outb_p(W83781D_REG_BANK, client->addr + W83781D_ADDR_REG_OFFSET); outb_p(reg >> 8, client->addr + W83781D_DATA_REG_OFFSET); } outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET); if (word_sized) { outb_p(value >> 8, client->addr + W83781D_DATA_REG_OFFSET); outb_p((reg & 0xff) + 1, client->addr + W83781D_ADDR_REG_OFFSET); } outb_p(value & 0xff, client->addr + W83781D_DATA_REG_OFFSET); if (reg & 0xff00) { outb_p(W83781D_REG_BANK, client->addr + W83781D_ADDR_REG_OFFSET); outb_p(0, client->addr + W83781D_DATA_REG_OFFSET); } up(&data->lock); return 0; } /* Called when we have found a new W83781D. It should set limits, etc. */ static void w83627hf_init_client(struct i2c_client *client) { struct w83627hf_data *data = i2c_get_clientdata(client); int i; int type = data->type; u8 tmp; if (reset) { /* Resetting the chip has been the default for a long time, but repeatedly caused problems (fans going to full speed...) so it is now optional. It might even go away if nobody reports it as being useful, as I see very little reason why this would be needed at all. */ dev_info(&client->dev, "If reset=1 solved a problem you were " "having, please report!\n"); /* save this register */ i = w83627hf_read_value(client, W83781D_REG_BEEP_CONFIG); /* Reset all except Watchdog values and last conversion values This sets fan-divs to 2, among others */ w83627hf_write_value(client, W83781D_REG_CONFIG, 0x80); /* Restore the register and disable power-on abnormal beep. This saves FAN 1/2/3 input/output values set by BIOS. */ w83627hf_write_value(client, W83781D_REG_BEEP_CONFIG, i | 0x80); /* Disable master beep-enable (reset turns it on). Individual beeps should be reset to off but for some reason disabling this bit helps some people not get beeped */ w83627hf_write_value(client, W83781D_REG_BEEP_INTS2, 0); } /* Minimize conflicts with other winbond i2c-only clients... */ /* disable i2c subclients... how to disable main i2c client?? */ /* force i2c address to relatively uncommon address */ w83627hf_write_value(client, W83781D_REG_I2C_SUBADDR, 0x89); w83627hf_write_value(client, W83781D_REG_I2C_ADDR, force_i2c); /* Read VID only once */ if (w83627hf == data->type || w83637hf == data->type) { int lo = w83627hf_read_value(client, W83781D_REG_VID_FANDIV); int hi = w83627hf_read_value(client, W83781D_REG_CHIPID); data->vid = (lo & 0x0f) | ((hi & 0x01) << 4); } else if (w83627thf == data->type) { data->vid = w83627thf_read_gpio5(client) & 0x3f; } /* Read VRM & OVT Config only once */ if (w83627thf == data->type || w83637hf == data->type) { data->vrm_ovt = w83627hf_read_value(client, W83627THF_REG_VRM_OVT_CFG); data->vrm = (data->vrm_ovt & 0x01) ? 90 : 82; } else { /* Convert VID to voltage based on default VRM */ data->vrm = vid_which_vrm(); } tmp = w83627hf_read_value(client, W83781D_REG_SCFG1); for (i = 1; i <= 3; i++) { if (!(tmp & BIT_SCFG1[i - 1])) { data->sens[i - 1] = W83781D_DEFAULT_BETA; } else { if (w83627hf_read_value (client, W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) data->sens[i - 1] = 1; else data->sens[i - 1] = 2; } if ((type == w83697hf) && (i == 2)) break; } if(init) { /* Enable temp2 */ tmp = w83627hf_read_value(client, W83781D_REG_TEMP2_CONFIG); if (tmp & 0x01) { dev_warn(&client->dev, "Enabling temp2, readings " "might not make sense\n"); w83627hf_write_value(client, W83781D_REG_TEMP2_CONFIG, tmp & 0xfe); } /* Enable temp3 */ if (type != w83697hf) { tmp = w83627hf_read_value(client, W83781D_REG_TEMP3_CONFIG); if (tmp & 0x01) { dev_warn(&client->dev, "Enabling temp3, " "readings might not make sense\n"); w83627hf_write_value(client, W83781D_REG_TEMP3_CONFIG, tmp & 0xfe); } } if (type == w83627hf) { /* enable PWM2 control (can't hurt since PWM reg should have been reset to 0xff) */ w83627hf_write_value(client, W83627HF_REG_PWMCLK12, 0x19); } /* enable comparator mode for temp2 and temp3 so alarm indication will work correctly */ i = w83627hf_read_value(client, W83781D_REG_IRQ); if (!(i & 0x40)) w83627hf_write_value(client, W83781D_REG_IRQ, i | 0x40); } /* Start monitoring */ w83627hf_write_value(client, W83781D_REG_CONFIG, (w83627hf_read_value(client, W83781D_REG_CONFIG) & 0xf7) | 0x01); } static struct w83627hf_data *w83627hf_update_device(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct w83627hf_data *data = i2c_get_clientdata(client); int i; down(&data->update_lock); if (time_after(jiffies, data->last_updated + HZ + HZ / 2) || !data->valid) { for (i = 0; i <= 8; i++) { /* skip missing sensors */ if (((data->type == w83697hf) && (i == 1)) || ((data->type == w83627thf || data->type == w83637hf) && (i == 4 || i == 5))) continue; data->in[i] = w83627hf_read_value(client, W83781D_REG_IN(i)); data->in_min[i] = w83627hf_read_value(client, W83781D_REG_IN_MIN(i)); data->in_max[i] = w83627hf_read_value(client, W83781D_REG_IN_MAX(i)); } for (i = 1; i <= 3; i++) { data->fan[i - 1] = w83627hf_read_value(client, W83781D_REG_FAN(i)); data->fan_min[i - 1] = w83627hf_read_value(client, W83781D_REG_FAN_MIN(i)); } for (i = 1; i <= 3; i++) { u8 tmp = w83627hf_read_value(client, W836X7HF_REG_PWM(data->type, i)); /* bits 0-3 are reserved in 627THF */ if (data->type == w83627thf) tmp &= 0xf0; data->pwm[i - 1] = tmp; if(i == 2 && (data->type == w83627hf || data->type == w83697hf)) break; } data->temp = w83627hf_read_value(client, W83781D_REG_TEMP(1)); data->temp_max = w83627hf_read_value(client, W83781D_REG_TEMP_OVER(1)); data->temp_max_hyst = w83627hf_read_value(client, W83781D_REG_TEMP_HYST(1)); data->temp_add[0] = w83627hf_read_value(client, W83781D_REG_TEMP(2)); data->temp_max_add[0] = w83627hf_read_value(client, W83781D_REG_TEMP_OVER(2)); data->temp_max_hyst_add[0] = w83627hf_read_value(client, W83781D_REG_TEMP_HYST(2)); if (data->type != w83697hf) { data->temp_add[1] = w83627hf_read_value(client, W83781D_REG_TEMP(3)); data->temp_max_add[1] = w83627hf_read_value(client, W83781D_REG_TEMP_OVER(3)); data->temp_max_hyst_add[1] = w83627hf_read_value(client, W83781D_REG_TEMP_HYST(3)); } i = w83627hf_read_value(client, W83781D_REG_VID_FANDIV); data->fan_div[0] = (i >> 4) & 0x03; data->fan_div[1] = (i >> 6) & 0x03; if (data->type != w83697hf) { data->fan_div[2] = (w83627hf_read_value(client, W83781D_REG_PIN) >> 6) & 0x03; } i = w83627hf_read_value(client, W83781D_REG_VBAT); data->fan_div[0] |= (i >> 3) & 0x04; data->fan_div[1] |= (i >> 4) & 0x04; if (data->type != w83697hf) data->fan_div[2] |= (i >> 5) & 0x04; data->alarms = w83627hf_read_value(client, W83781D_REG_ALARM1) | (w83627hf_read_value(client, W83781D_REG_ALARM2) << 8) | (w83627hf_read_value(client, W83781D_REG_ALARM3) << 16); i = w83627hf_read_value(client, W83781D_REG_BEEP_INTS2); data->beep_enable = i >> 7; data->beep_mask = ((i & 0x7f) << 8) | w83627hf_read_value(client, W83781D_REG_BEEP_INTS1) | w83627hf_read_value(client, W83781D_REG_BEEP_INTS3) << 16; data->last_updated = jiffies; data->valid = 1; } up(&data->update_lock); return data; } static int __init sensors_w83627hf_init(void) { if (w83627hf_find(0x2e, &address) && w83627hf_find(0x4e, &address)) { return -ENODEV; } return i2c_isa_add_driver(&w83627hf_driver); } static void __exit sensors_w83627hf_exit(void) { i2c_isa_del_driver(&w83627hf_driver); } MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " "Philip Edelbrock <phil@netroedge.com>, " "and Mark Studebaker <mdsxyz123@yahoo.com>"); MODULE_DESCRIPTION("W83627HF driver"); MODULE_LICENSE("GPL"); module_init(sensors_w83627hf_init); module_exit(sensors_w83627hf_exit);