| /* |
| 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 <linux/hwmon.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"); |
| |
| /* 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 < 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_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, 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) |
| |
| |
| /* 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 */ |
| 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))) { |
| dev_err(&client->dev, |
| "Client deregistration failed, client not detached.\n"); |
| 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(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); |