diff options
Diffstat (limited to 'drivers/i2c/chips/w83627hf.c')
| -rw-r--r-- | drivers/i2c/chips/w83627hf.c | 1511 |
1 files changed, 1511 insertions, 0 deletions
diff --git a/drivers/i2c/chips/w83627hf.c b/drivers/i2c/chips/w83627hf.c new file mode 100644 index 000000000000..b1da5ed696d3 --- /dev/null +++ b/drivers/i2c/chips/w83627hf.c @@ -0,0 +1,1511 @@ +/* + 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-sensor.h> +#include <linux/i2c-vid.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"); + +/* Addresses to scan */ +static unsigned short normal_i2c[] = { I2C_CLIENT_END }; +static unsigned int normal_isa[] = { 0, I2C_CLIENT_ISA_END }; + +/* Insmod parameters */ +SENSORS_INSMOD_4(w83627hf, w83627thf, w83697hf, w83637hf); + +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 < 6; 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 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_attach_adapter(struct i2c_adapter *adapter); +static int w83627hf_detect(struct i2c_adapter *adapter, int address, + int kind); +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", + .id = I2C_DRIVERID_W83627HF, + .flags = I2C_DF_NOTIFY, + .attach_adapter = w83627hf_attach_adapter, + .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, 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, char *buf) \ +{ \ + return show_in_##reg (dev, buf, offset); \ +} \ +static ssize_t \ +store_regs_in_##reg##offset (struct device *dev, \ + 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, 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, 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, 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, + 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, + 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, 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, char *buf) \ +{ \ + return show_fan_min(dev, buf, offset); \ +} \ +static ssize_t \ +store_regs_fan_min##offset (struct device *dev, 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, 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, char *buf) \ +{ \ + return show_temp_##reg (dev, buf, offset); \ +} \ +static ssize_t \ +store_regs_temp_##reg##offset (struct device *dev, \ + 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, 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, 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, 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, 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, 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, char *buf) \ +{ \ + return show_beep_##reg(dev, buf); \ +} \ +static ssize_t \ +store_regs_beep_##reg (struct device *dev, 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, char *buf) \ +{ \ + return show_fan_div_reg(dev, buf, offset); \ +} \ +static ssize_t \ +store_regs_fan_div_##offset (struct device *dev, \ + 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, char *buf) \ +{ \ + return show_pwm_reg(dev, buf, offset); \ +} \ +static ssize_t \ +store_regs_pwm_##offset (struct device *dev, 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, char *buf) \ +{ \ + return show_sensor_reg(dev, buf, offset); \ +} \ +static ssize_t \ +store_regs_sensor_##offset (struct device *dev, 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) + + +/* This function is called when: + * w83627hf_driver is inserted (when this module is loaded), for each + available adapter + * when a new adapter is inserted (and w83627hf_driver is still present) */ +static int w83627hf_attach_adapter(struct i2c_adapter *adapter) +{ + return i2c_detect(adapter, &addr_data, w83627hf_detect); +} + +static int w83627hf_find(int sioaddr, int *address) +{ + 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); + *address = val & ~(WINB_EXTENT - 1); + if (*address == 0 && force_addr == 0) { + superio_exit(); + return -ENODEV; + } + if (force_addr) + *address = force_addr; /* so detect will get called */ + + superio_exit(); + return 0; +} + +int w83627hf_detect(struct i2c_adapter *adapter, int address, + int kind) +{ + int val; + struct i2c_client *new_client; + struct w83627hf_data *data; + int err = 0; + const char *client_name = ""; + + if (!i2c_is_isa_adapter(adapter)) { + err = -ENODEV; + goto ERROR0; + } + + 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 */ + 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; + + ERROR2: + kfree(data); + ERROR1: + release_region(address, WINB_EXTENT); + ERROR0: + return err; +} + +static int w83627hf_detach_client(struct i2c_client *client) +{ + int err; + + if ((err = i2c_detach_client(client))) { + dev_err(&client->dev, + "Client deregistration failed, client not detached.\n"); + return err; + } + + release_region(client->addr, WINB_EXTENT); + kfree(i2c_get_clientdata(client)); + + 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(init) { + /* 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 = i2c_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) +{ + int addr; + + if (w83627hf_find(0x2e, &addr) + && w83627hf_find(0x4e, &addr)) { + return -ENODEV; + } + normal_isa[0] = addr; + + return i2c_add_driver(&w83627hf_driver); +} + +static void __exit sensors_w83627hf_exit(void) +{ + i2c_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); |