| /* |
| 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> |
| Copyright (c) 2007 Jean Delvare <khali@linux-fr.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) |
| w83687thf 7 3 3 3 0x90 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/platform_device.h> |
| #include <linux/hwmon.h> |
| #include <linux/hwmon-sysfs.h> |
| #include <linux/hwmon-vid.h> |
| #include <linux/err.h> |
| #include <linux/mutex.h> |
| #include <linux/ioport.h> |
| #include <asm/io.h> |
| #include "lm75.h" |
| |
| static struct platform_device *pdev; |
| |
| #define DRVNAME "w83627hf" |
| enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf }; |
| |
| 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"); |
| |
| static int reset; |
| module_param(reset, bool, 0); |
| MODULE_PARM_DESC(reset, "Set to one to reset chip on load"); |
| |
| static int init = 1; |
| module_param(init, bool, 0); |
| MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); |
| |
| static unsigned short force_id; |
| module_param(force_id, ushort, 0); |
| MODULE_PARM_DESC(force_id, "Override the detected device ID"); |
| |
| /* 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 */ |
| |
| #define W83687THF_VID_EN 0x29 /* w83687thf only */ |
| #define W83687THF_VID_CFG 0xF0 /* w83687thf only */ |
| #define W83687THF_VID_DATA 0xF1 /* w83687thf 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 W687THF_DEVID 0x85 |
| #define WINB_ACT_REG 0x30 |
| #define WINB_BASE_REG 0x60 |
| /* Constants specified below */ |
| |
| /* Alignment of the base address */ |
| #define WINB_ALIGNMENT ~7 |
| |
| /* Offset & size of I/O region we are interested in */ |
| #define WINB_REGION_OFFSET 5 |
| #define WINB_REGION_SIZE 2 |
| |
| /* Where are the sensors address/data registers relative to the region offset */ |
| #define W83781D_ADDR_REG_OFFSET 0 |
| #define W83781D_DATA_REG_OFFSET 1 |
| |
| /* 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)) |
| |
| /* nr:0-2 for fans:1-3 */ |
| #define W83627HF_REG_FAN_MIN(nr) (0x3b + (nr)) |
| #define W83627HF_REG_FAN(nr) (0x28 + (nr)) |
| |
| #define W83627HF_REG_TEMP2_CONFIG 0x152 |
| #define W83627HF_REG_TEMP3_CONFIG 0x252 |
| /* these are zero-based, unlike config constants above */ |
| static const u16 w83627hf_reg_temp[] = { 0x27, 0x150, 0x250 }; |
| static const u16 w83627hf_reg_temp_hyst[] = { 0x3A, 0x153, 0x253 }; |
| static const u16 w83627hf_reg_temp_over[] = { 0x39, 0x155, 0x255 }; |
| |
| #define W83781D_REG_BANK 0x4E |
| |
| #define W83781D_REG_CONFIG 0x40 |
| #define W83781D_REG_ALARM1 0x459 |
| #define W83781D_REG_ALARM2 0x45A |
| #define W83781D_REG_ALARM3 0x45B |
| |
| #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 W83627THF_REG_PWM1 0x01 /* 697HF/637HF/687THF too */ |
| #define W83627THF_REG_PWM2 0x03 /* 697HF/637HF/687THF too */ |
| #define W83627THF_REG_PWM3 0x11 /* 637HF/687THF too */ |
| |
| #define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF/687THF 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] : regpwm[nr]) |
| |
| #define W83627HF_REG_PWM_FREQ 0x5C /* Only for the 627HF */ |
| |
| #define W83637HF_REG_PWM_FREQ1 0x00 /* 697HF/687THF too */ |
| #define W83637HF_REG_PWM_FREQ2 0x02 /* 697HF/687THF too */ |
| #define W83637HF_REG_PWM_FREQ3 0x10 /* 687THF too */ |
| |
| static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1, |
| W83637HF_REG_PWM_FREQ2, |
| W83637HF_REG_PWM_FREQ3 }; |
| |
| #define W83627HF_BASE_PWM_FREQ 46870 |
| |
| #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(long 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)) |
| |
| static inline unsigned long pwm_freq_from_reg_627hf(u8 reg) |
| { |
| unsigned long freq; |
| freq = W83627HF_BASE_PWM_FREQ >> reg; |
| return freq; |
| } |
| static inline u8 pwm_freq_to_reg_627hf(unsigned long val) |
| { |
| u8 i; |
| /* Only 5 dividers (1 2 4 8 16) |
| Search for the nearest available frequency */ |
| for (i = 0; i < 4; i++) { |
| if (val > (((W83627HF_BASE_PWM_FREQ >> i) + |
| (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2)) |
| break; |
| } |
| return i; |
| } |
| |
| static inline unsigned long pwm_freq_from_reg(u8 reg) |
| { |
| /* Clock bit 8 -> 180 kHz or 24 MHz */ |
| unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL; |
| |
| reg &= 0x7f; |
| /* This should not happen but anyway... */ |
| if (reg == 0) |
| reg++; |
| return (clock / (reg << 8)); |
| } |
| static inline u8 pwm_freq_to_reg(unsigned long val) |
| { |
| /* Minimum divider value is 0x01 and maximum is 0x7F */ |
| if (val >= 93750) /* The highest we can do */ |
| return 0x01; |
| if (val >= 720) /* Use 24 MHz clock */ |
| return (24000000UL / (val << 8)); |
| if (val < 6) /* The lowest we can do */ |
| return 0xFF; |
| else /* Use 180 kHz clock */ |
| return (0x80 | (180000UL / (val << 8))); |
| } |
| |
| #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. |
| The structure is dynamically allocated. */ |
| struct w83627hf_data { |
| unsigned short addr; |
| const char *name; |
| struct device *hwmon_dev; |
| struct mutex lock; |
| enum chips type; |
| |
| struct mutex update_lock; |
| char valid; /* !=0 if following fields are valid */ |
| unsigned long last_updated; /* In jiffies */ |
| |
| 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 */ |
| u16 temp[3]; /* Register value */ |
| u16 temp_max[3]; /* Register value */ |
| u16 temp_max_hyst[3]; /* 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 */ |
| u8 pwm_freq[3]; /* Register value */ |
| u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode; |
| 4 = thermistor */ |
| u8 vrm; |
| u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */ |
| }; |
| |
| struct w83627hf_sio_data { |
| enum chips type; |
| }; |
| |
| |
| static int w83627hf_probe(struct platform_device *pdev); |
| static int __devexit w83627hf_remove(struct platform_device *pdev); |
| |
| static int w83627hf_read_value(struct w83627hf_data *data, u16 reg); |
| static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value); |
| static void w83627hf_update_fan_div(struct w83627hf_data *data); |
| static struct w83627hf_data *w83627hf_update_device(struct device *dev); |
| static void w83627hf_init_device(struct platform_device *pdev); |
| |
| static struct platform_driver w83627hf_driver = { |
| .driver = { |
| .owner = THIS_MODULE, |
| .name = DRVNAME, |
| }, |
| .probe = w83627hf_probe, |
| .remove = __devexit_p(w83627hf_remove), |
| }; |
| |
| static ssize_t |
| show_in_input(struct device *dev, struct device_attribute *devattr, char *buf) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = w83627hf_update_device(dev); |
| return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in[nr])); |
| } |
| static ssize_t |
| show_in_min(struct device *dev, struct device_attribute *devattr, char *buf) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = w83627hf_update_device(dev); |
| return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_min[nr])); |
| } |
| static ssize_t |
| show_in_max(struct device *dev, struct device_attribute *devattr, char *buf) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = w83627hf_update_device(dev); |
| return sprintf(buf, "%ld\n", (long)IN_FROM_REG(data->in_max[nr])); |
| } |
| static ssize_t |
| store_in_min(struct device *dev, struct device_attribute *devattr, |
| const char *buf, size_t count) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = dev_get_drvdata(dev); |
| long val = simple_strtol(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| data->in_min[nr] = IN_TO_REG(val); |
| w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), data->in_min[nr]); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| static ssize_t |
| store_in_max(struct device *dev, struct device_attribute *devattr, |
| const char *buf, size_t count) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = dev_get_drvdata(dev); |
| long val = simple_strtol(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| data->in_max[nr] = IN_TO_REG(val); |
| w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), data->in_max[nr]); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| #define sysfs_vin_decl(offset) \ |
| static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ |
| show_in_input, NULL, offset); \ |
| static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO|S_IWUSR, \ |
| show_in_min, store_in_min, offset); \ |
| static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO|S_IWUSR, \ |
| show_in_max, store_in_max, offset); |
| |
| sysfs_vin_decl(1); |
| sysfs_vin_decl(2); |
| sysfs_vin_decl(3); |
| sysfs_vin_decl(4); |
| sysfs_vin_decl(5); |
| sysfs_vin_decl(6); |
| sysfs_vin_decl(7); |
| sysfs_vin_decl(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 |
| || w83687thf == 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 w83627hf_data *data = dev_get_drvdata(dev); |
| u32 val; |
| |
| val = simple_strtoul(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| |
| if ((data->vrm_ovt & 0x01) && |
| (w83627thf == data->type || w83637hf == data->type |
| || w83687thf == data->type)) |
| |
| /* use VRM9 calculation */ |
| data->in_min[0] = |
| SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0, |
| 255); |
| else |
| /* use VRM8 (standard) calculation */ |
| data->in_min[0] = IN_TO_REG(val); |
| |
| w83627hf_write_value(data, W83781D_REG_IN_MIN(0), data->in_min[0]); |
| mutex_unlock(&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 w83627hf_data *data = dev_get_drvdata(dev); |
| u32 val; |
| |
| val = simple_strtoul(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| |
| if ((data->vrm_ovt & 0x01) && |
| (w83627thf == data->type || w83637hf == data->type |
| || w83687thf == data->type)) |
| |
| /* use VRM9 calculation */ |
| data->in_max[0] = |
| SENSORS_LIMIT(((val * 100) - 70000 + 244) / 488, 0, |
| 255); |
| else |
| /* use VRM8 (standard) calculation */ |
| data->in_max[0] = IN_TO_REG(val); |
| |
| w83627hf_write_value(data, W83781D_REG_IN_MAX(0), data->in_max[0]); |
| mutex_unlock(&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); |
| |
| static ssize_t |
| show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = w83627hf_update_device(dev); |
| return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan[nr], |
| (long)DIV_FROM_REG(data->fan_div[nr]))); |
| } |
| static ssize_t |
| show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = w83627hf_update_device(dev); |
| return sprintf(buf, "%ld\n", FAN_FROM_REG(data->fan_min[nr], |
| (long)DIV_FROM_REG(data->fan_div[nr]))); |
| } |
| static ssize_t |
| store_fan_min(struct device *dev, struct device_attribute *devattr, |
| const char *buf, size_t count) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = dev_get_drvdata(dev); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); |
| w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), |
| data->fan_min[nr]); |
| |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| #define sysfs_fan_decl(offset) \ |
| static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ |
| show_fan_input, NULL, offset - 1); \ |
| static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ |
| show_fan_min, store_fan_min, offset - 1); |
| |
| sysfs_fan_decl(1); |
| sysfs_fan_decl(2); |
| sysfs_fan_decl(3); |
| |
| static ssize_t |
| show_temp(struct device *dev, struct device_attribute *devattr, char *buf) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = w83627hf_update_device(dev); |
| |
| u16 tmp = data->temp[nr]; |
| return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) |
| : (long) TEMP_FROM_REG(tmp)); |
| } |
| |
| static ssize_t |
| show_temp_max(struct device *dev, struct device_attribute *devattr, |
| char *buf) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = w83627hf_update_device(dev); |
| |
| u16 tmp = data->temp_max[nr]; |
| return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) |
| : (long) TEMP_FROM_REG(tmp)); |
| } |
| |
| static ssize_t |
| show_temp_max_hyst(struct device *dev, struct device_attribute *devattr, |
| char *buf) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = w83627hf_update_device(dev); |
| |
| u16 tmp = data->temp_max_hyst[nr]; |
| return sprintf(buf, "%ld\n", (nr) ? (long) LM75_TEMP_FROM_REG(tmp) |
| : (long) TEMP_FROM_REG(tmp)); |
| } |
| |
| static ssize_t |
| store_temp_max(struct device *dev, struct device_attribute *devattr, |
| const char *buf, size_t count) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = dev_get_drvdata(dev); |
| long val = simple_strtol(buf, NULL, 10); |
| u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); |
| |
| mutex_lock(&data->update_lock); |
| data->temp_max[nr] = tmp; |
| w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static ssize_t |
| store_temp_max_hyst(struct device *dev, struct device_attribute *devattr, |
| const char *buf, size_t count) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = dev_get_drvdata(dev); |
| long val = simple_strtol(buf, NULL, 10); |
| u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val); |
| |
| mutex_lock(&data->update_lock); |
| data->temp_max_hyst[nr] = tmp; |
| w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp); |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| #define sysfs_temp_decl(offset) \ |
| static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ |
| show_temp, NULL, offset - 1); \ |
| static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO|S_IWUSR, \ |
| show_temp_max, store_temp_max, offset - 1); \ |
| static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR, \ |
| show_temp_max_hyst, store_temp_max_hyst, offset - 1); |
| |
| sysfs_temp_decl(1); |
| sysfs_temp_decl(2); |
| sysfs_temp_decl(3); |
| |
| 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); |
| |
| static ssize_t |
| show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) |
| { |
| struct w83627hf_data *data = dev_get_drvdata(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 w83627hf_data *data = dev_get_drvdata(dev); |
| 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); |
| |
| 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 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 w83627hf_data *data = dev_get_drvdata(dev); |
| u32 val, val2; |
| |
| val = simple_strtoul(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| |
| if (update_mask == BEEP_MASK) { /* We are storing beep_mask */ |
| data->beep_mask = BEEP_MASK_TO_REG(val); |
| w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, |
| data->beep_mask & 0xff); |
| w83627hf_write_value(data, 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(data, W83781D_REG_BEEP_INTS2) & 0x7f; |
| data->beep_enable = BEEP_ENABLE_TO_REG(val); |
| } |
| |
| w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, |
| val2 | data->beep_enable << 7); |
| |
| mutex_unlock(&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); |
| |
| static ssize_t |
| show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = w83627hf_update_device(dev); |
| return sprintf(buf, "%ld\n", |
| (long) DIV_FROM_REG(data->fan_div[nr])); |
| } |
| /* 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 surprise; the user doesn't expect the fan minimum to change just |
| because the divisor changed. */ |
| static ssize_t |
| store_fan_div(struct device *dev, struct device_attribute *devattr, |
| const char *buf, size_t count) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = dev_get_drvdata(dev); |
| unsigned long min; |
| u8 reg; |
| unsigned long val = simple_strtoul(buf, NULL, 10); |
| |
| mutex_lock(&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(data, 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(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); |
| |
| reg = (w83627hf_read_value(data, W83781D_REG_VBAT) |
| & ~(1 << (5 + nr))) |
| | ((data->fan_div[nr] & 0x04) << (3 + nr)); |
| w83627hf_write_value(data, 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(data, W83627HF_REG_FAN_MIN(nr), data->fan_min[nr]); |
| |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO|S_IWUSR, |
| show_fan_div, store_fan_div, 0); |
| static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO|S_IWUSR, |
| show_fan_div, store_fan_div, 1); |
| static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO|S_IWUSR, |
| show_fan_div, store_fan_div, 2); |
| |
| static ssize_t |
| show_pwm(struct device *dev, struct device_attribute *devattr, char *buf) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = w83627hf_update_device(dev); |
| return sprintf(buf, "%ld\n", (long) data->pwm[nr]); |
| } |
| |
| static ssize_t |
| store_pwm(struct device *dev, struct device_attribute *devattr, |
| const char *buf, size_t count) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = dev_get_drvdata(dev); |
| u32 val = simple_strtoul(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| |
| if (data->type == w83627thf) { |
| /* bits 0-3 are reserved in 627THF */ |
| data->pwm[nr] = PWM_TO_REG(val) & 0xf0; |
| w83627hf_write_value(data, |
| W836X7HF_REG_PWM(data->type, nr), |
| data->pwm[nr] | |
| (w83627hf_read_value(data, |
| W836X7HF_REG_PWM(data->type, nr)) & 0x0f)); |
| } else { |
| data->pwm[nr] = PWM_TO_REG(val); |
| w83627hf_write_value(data, |
| W836X7HF_REG_PWM(data->type, nr), |
| data->pwm[nr]); |
| } |
| |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0); |
| static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 1); |
| static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 2); |
| |
| static ssize_t |
| show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = w83627hf_update_device(dev); |
| if (data->type == w83627hf) |
| return sprintf(buf, "%ld\n", |
| pwm_freq_from_reg_627hf(data->pwm_freq[nr])); |
| else |
| return sprintf(buf, "%ld\n", |
| pwm_freq_from_reg(data->pwm_freq[nr])); |
| } |
| |
| static ssize_t |
| store_pwm_freq(struct device *dev, struct device_attribute *devattr, |
| const char *buf, size_t count) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = dev_get_drvdata(dev); |
| static const u8 mask[]={0xF8, 0x8F}; |
| u32 val; |
| |
| val = simple_strtoul(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| |
| if (data->type == w83627hf) { |
| data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val); |
| w83627hf_write_value(data, W83627HF_REG_PWM_FREQ, |
| (data->pwm_freq[nr] << (nr*4)) | |
| (w83627hf_read_value(data, |
| W83627HF_REG_PWM_FREQ) & mask[nr])); |
| } else { |
| data->pwm_freq[nr] = pwm_freq_to_reg(val); |
| w83627hf_write_value(data, W83637HF_REG_PWM_FREQ[nr], |
| data->pwm_freq[nr]); |
| } |
| |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO|S_IWUSR, |
| show_pwm_freq, store_pwm_freq, 0); |
| static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO|S_IWUSR, |
| show_pwm_freq, store_pwm_freq, 1); |
| static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO|S_IWUSR, |
| show_pwm_freq, store_pwm_freq, 2); |
| |
| static ssize_t |
| show_temp_type(struct device *dev, struct device_attribute *devattr, |
| char *buf) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = w83627hf_update_device(dev); |
| return sprintf(buf, "%ld\n", (long) data->sens[nr]); |
| } |
| |
| static ssize_t |
| store_temp_type(struct device *dev, struct device_attribute *devattr, |
| const char *buf, size_t count) |
| { |
| int nr = to_sensor_dev_attr(devattr)->index; |
| struct w83627hf_data *data = dev_get_drvdata(dev); |
| u32 val, tmp; |
| |
| val = simple_strtoul(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| |
| switch (val) { |
| case 1: /* PII/Celeron diode */ |
| tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); |
| w83627hf_write_value(data, W83781D_REG_SCFG1, |
| tmp | BIT_SCFG1[nr]); |
| tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); |
| w83627hf_write_value(data, W83781D_REG_SCFG2, |
| tmp | BIT_SCFG2[nr]); |
| data->sens[nr] = val; |
| break; |
| case 2: /* 3904 */ |
| tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); |
| w83627hf_write_value(data, W83781D_REG_SCFG1, |
| tmp | BIT_SCFG1[nr]); |
| tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); |
| w83627hf_write_value(data, W83781D_REG_SCFG2, |
| tmp & ~BIT_SCFG2[nr]); |
| data->sens[nr] = val; |
| break; |
| case W83781D_DEFAULT_BETA: |
| dev_warn(dev, "Sensor type %d is deprecated, please use 4 " |
| "instead\n", W83781D_DEFAULT_BETA); |
| /* fall through */ |
| case 4: /* thermistor */ |
| tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); |
| w83627hf_write_value(data, W83781D_REG_SCFG1, |
| tmp & ~BIT_SCFG1[nr]); |
| data->sens[nr] = val; |
| break; |
| default: |
| dev_err(dev, |
| "Invalid sensor type %ld; must be 1, 2, or 4\n", |
| (long) val); |
| break; |
| } |
| |
| mutex_unlock(&data->update_lock); |
| return count; |
| } |
| |
| #define sysfs_temp_type(offset) \ |
| static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \ |
| show_temp_type, store_temp_type, offset - 1); |
| |
| sysfs_temp_type(1); |
| sysfs_temp_type(2); |
| sysfs_temp_type(3); |
| |
| static ssize_t |
| show_name(struct device *dev, struct device_attribute *devattr, char *buf) |
| { |
| struct w83627hf_data *data = dev_get_drvdata(dev); |
| |
| return sprintf(buf, "%s\n", data->name); |
| } |
| static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); |
| |
| static int __init w83627hf_find(int sioaddr, unsigned short *addr, |
| struct w83627hf_sio_data *sio_data) |
| { |
| int err = -ENODEV; |
| u16 val; |
| |
| static const __initdata char *names[] = { |
| "W83627HF", |
| "W83627THF", |
| "W83697HF", |
| "W83637HF", |
| "W83687THF", |
| }; |
| |
| REG = sioaddr; |
| VAL = sioaddr + 1; |
| |
| superio_enter(); |
| val = force_id ? force_id : superio_inb(DEVID); |
| switch (val) { |
| case W627_DEVID: |
| sio_data->type = w83627hf; |
| break; |
| case W627THF_DEVID: |
| sio_data->type = w83627thf; |
| break; |
| case W697_DEVID: |
| sio_data->type = w83697hf; |
| break; |
| case W637_DEVID: |
| sio_data->type = w83637hf; |
| break; |
| case W687THF_DEVID: |
| sio_data->type = w83687thf; |
| break; |
| case 0xff: /* No device at all */ |
| goto exit; |
| default: |
| pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n", val); |
| goto exit; |
| } |
| |
| superio_select(W83627HF_LD_HWM); |
| force_addr &= WINB_ALIGNMENT; |
| if (force_addr) { |
| printk(KERN_WARNING DRVNAME ": Forcing address 0x%x\n", |
| force_addr); |
| superio_outb(WINB_BASE_REG, force_addr >> 8); |
| superio_outb(WINB_BASE_REG + 1, force_addr & 0xff); |
| } |
| val = (superio_inb(WINB_BASE_REG) << 8) | |
| superio_inb(WINB_BASE_REG + 1); |
| *addr = val & WINB_ALIGNMENT; |
| if (*addr == 0) { |
| printk(KERN_WARNING DRVNAME ": Base address not set, " |
| "skipping\n"); |
| goto exit; |
| } |
| |
| val = superio_inb(WINB_ACT_REG); |
| if (!(val & 0x01)) { |
| printk(KERN_WARNING DRVNAME ": Enabling HWM logical device\n"); |
| superio_outb(WINB_ACT_REG, val | 0x01); |
| } |
| |
| err = 0; |
| pr_info(DRVNAME ": Found %s chip at %#x\n", |
| names[sio_data->type], *addr); |
| |
| exit: |
| superio_exit(); |
| return err; |
| } |
| |
| #define VIN_UNIT_ATTRS(_X_) \ |
| &sensor_dev_attr_in##_X_##_input.dev_attr.attr, \ |
| &sensor_dev_attr_in##_X_##_min.dev_attr.attr, \ |
| &sensor_dev_attr_in##_X_##_max.dev_attr.attr |
| |
| #define FAN_UNIT_ATTRS(_X_) \ |
| &sensor_dev_attr_fan##_X_##_input.dev_attr.attr, \ |
| &sensor_dev_attr_fan##_X_##_min.dev_attr.attr, \ |
| &sensor_dev_attr_fan##_X_##_div.dev_attr.attr |
| |
| #define TEMP_UNIT_ATTRS(_X_) \ |
| &sensor_dev_attr_temp##_X_##_input.dev_attr.attr, \ |
| &sensor_dev_attr_temp##_X_##_max.dev_attr.attr, \ |
| &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr, \ |
| &sensor_dev_attr_temp##_X_##_type.dev_attr.attr |
| |
| static struct attribute *w83627hf_attributes[] = { |
| &dev_attr_in0_input.attr, |
| &dev_attr_in0_min.attr, |
| &dev_attr_in0_max.attr, |
| VIN_UNIT_ATTRS(2), |
| VIN_UNIT_ATTRS(3), |
| VIN_UNIT_ATTRS(4), |
| VIN_UNIT_ATTRS(7), |
| VIN_UNIT_ATTRS(8), |
| |
| FAN_UNIT_ATTRS(1), |
| FAN_UNIT_ATTRS(2), |
| |
| TEMP_UNIT_ATTRS(1), |
| TEMP_UNIT_ATTRS(2), |
| |
| &dev_attr_alarms.attr, |
| &dev_attr_beep_enable.attr, |
| &dev_attr_beep_mask.attr, |
| |
| &sensor_dev_attr_pwm1.dev_attr.attr, |
| &sensor_dev_attr_pwm2.dev_attr.attr, |
| &dev_attr_name.attr, |
| NULL |
| }; |
| |
| static const struct attribute_group w83627hf_group = { |
| .attrs = w83627hf_attributes, |
| }; |
| |
| static struct attribute *w83627hf_attributes_opt[] = { |
| VIN_UNIT_ATTRS(1), |
| VIN_UNIT_ATTRS(5), |
| VIN_UNIT_ATTRS(6), |
| |
| FAN_UNIT_ATTRS(3), |
| TEMP_UNIT_ATTRS(3), |
| &sensor_dev_attr_pwm3.dev_attr.attr, |
| |
| &sensor_dev_attr_pwm1_freq.dev_attr.attr, |
| &sensor_dev_attr_pwm2_freq.dev_attr.attr, |
| &sensor_dev_attr_pwm3_freq.dev_attr.attr, |
| NULL |
| }; |
| |
| static const struct attribute_group w83627hf_group_opt = { |
| .attrs = w83627hf_attributes_opt, |
| }; |
| |
| static int __devinit w83627hf_probe(struct platform_device *pdev) |
| { |
| struct device *dev = &pdev->dev; |
| struct w83627hf_sio_data *sio_data = dev->platform_data; |
| struct w83627hf_data *data; |
| struct resource *res; |
| int err, i; |
| |
| static const char *names[] = { |
| "w83627hf", |
| "w83627thf", |
| "w83697hf", |
| "w83637hf", |
| "w83687thf", |
| }; |
| |
| res = platform_get_resource(pdev, IORESOURCE_IO, 0); |
| if (!request_region(res->start, WINB_REGION_SIZE, DRVNAME)) { |
| dev_err(dev, "Failed to request region 0x%lx-0x%lx\n", |
| (unsigned long)res->start, |
| (unsigned long)(res->start + WINB_REGION_SIZE - 1)); |
| err = -EBUSY; |
| goto ERROR0; |
| } |
| |
| if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) { |
| err = -ENOMEM; |
| goto ERROR1; |
| } |
| data->addr = res->start; |
| data->type = sio_data->type; |
| data->name = names[sio_data->type]; |
| mutex_init(&data->lock); |
| mutex_init(&data->update_lock); |
| platform_set_drvdata(pdev, data); |
| |
| /* Initialize the chip */ |
| w83627hf_init_device(pdev); |
| |
| /* A few vars need to be filled upon startup */ |
| for (i = 0; i <= 2; i++) |
| data->fan_min[i] = w83627hf_read_value( |
| data, W83627HF_REG_FAN_MIN(i)); |
| w83627hf_update_fan_div(data); |
| |
| /* Register common device attributes */ |
| if ((err = sysfs_create_group(&dev->kobj, &w83627hf_group))) |
| goto ERROR3; |
| |
| /* Register chip-specific device attributes */ |
| if (data->type == w83627hf || data->type == w83697hf) |
| if ((err = device_create_file(dev, |
| &sensor_dev_attr_in5_input.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_in5_min.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_in5_max.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_in6_input.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_in6_min.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_in6_max.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_pwm1_freq.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_pwm2_freq.dev_attr))) |
| goto ERROR4; |
| |
| if (data->type != w83697hf) |
| if ((err = device_create_file(dev, |
| &sensor_dev_attr_in1_input.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_in1_min.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_in1_max.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_fan3_input.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_fan3_min.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_fan3_div.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_temp3_input.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_temp3_max.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_temp3_max_hyst.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_temp3_type.dev_attr))) |
| goto ERROR4; |
| |
| if (data->type != w83697hf && data->vid != 0xff) { |
| /* Convert VID to voltage based on VRM */ |
| data->vrm = vid_which_vrm(); |
| |
| if ((err = device_create_file(dev, &dev_attr_cpu0_vid)) |
| || (err = device_create_file(dev, &dev_attr_vrm))) |
| goto ERROR4; |
| } |
| |
| if (data->type == w83627thf || data->type == w83637hf |
| || data->type == w83687thf) |
| if ((err = device_create_file(dev, |
| &sensor_dev_attr_pwm3.dev_attr))) |
| goto ERROR4; |
| |
| if (data->type == w83637hf || data->type == w83687thf) |
| if ((err = device_create_file(dev, |
| &sensor_dev_attr_pwm1_freq.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_pwm2_freq.dev_attr)) |
| || (err = device_create_file(dev, |
| &sensor_dev_attr_pwm3_freq.dev_attr))) |
| goto ERROR4; |
| |
| data->hwmon_dev = hwmon_device_register(dev); |
| if (IS_ERR(data->hwmon_dev)) { |
| err = PTR_ERR(data->hwmon_dev); |
| goto ERROR4; |
| } |
| |
| return 0; |
| |
| ERROR4: |
| sysfs_remove_group(&dev->kobj, &w83627hf_group); |
| sysfs_remove_group(&dev->kobj, &w83627hf_group_opt); |
| ERROR3: |
| platform_set_drvdata(pdev, NULL); |
| kfree(data); |
| ERROR1: |
| release_region(res->start, WINB_REGION_SIZE); |
| ERROR0: |
| return err; |
| } |
| |
| static int __devexit w83627hf_remove(struct platform_device *pdev) |
| { |
| struct w83627hf_data *data = platform_get_drvdata(pdev); |
| struct resource *res; |
| |
| hwmon_device_unregister(data->hwmon_dev); |
| |
| sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group); |
| sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt); |
| platform_set_drvdata(pdev, NULL); |
| kfree(data); |
| |
| res = platform_get_resource(pdev, IORESOURCE_IO, 0); |
| release_region(res->start, WINB_REGION_SIZE); |
| |
| return 0; |
| } |
| |
| |
| /* Registers 0x50-0x5f are banked */ |
| static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg) |
| { |
| if ((reg & 0x00f0) == 0x50) { |
| outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); |
| outb_p(reg >> 8, data->addr + W83781D_DATA_REG_OFFSET); |
| } |
| } |
| |
| /* Not strictly necessary, but play it safe for now */ |
| static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg) |
| { |
| if (reg & 0xff00) { |
| outb_p(W83781D_REG_BANK, data->addr + W83781D_ADDR_REG_OFFSET); |
| outb_p(0, data->addr + W83781D_DATA_REG_OFFSET); |
| } |
| } |
| |
| static int w83627hf_read_value(struct w83627hf_data *data, u16 reg) |
| { |
| int res, word_sized; |
| |
| mutex_lock(&data->lock); |
| word_sized = (((reg & 0xff00) == 0x100) |
| || ((reg & 0xff00) == 0x200)) |
| && (((reg & 0x00ff) == 0x50) |
| || ((reg & 0x00ff) == 0x53) |
| || ((reg & 0x00ff) == 0x55)); |
| w83627hf_set_bank(data, reg); |
| outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); |
| res = inb_p(data->addr + W83781D_DATA_REG_OFFSET); |
| if (word_sized) { |
| outb_p((reg & 0xff) + 1, |
| data->addr + W83781D_ADDR_REG_OFFSET); |
| res = |
| (res << 8) + inb_p(data->addr + |
| W83781D_DATA_REG_OFFSET); |
| } |
| w83627hf_reset_bank(data, reg); |
| mutex_unlock(&data->lock); |
| return res; |
| } |
| |
| static int __devinit w83627thf_read_gpio5(struct platform_device *pdev) |
| { |
| 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(&pdev->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) & 0x3f; |
| if ((sel & 0x1f) != 0x1f) { |
| dev_dbg(&pdev->dev, "GPIO5 not configured for VID " |
| "function\n"); |
| goto exit; |
| } |
| |
| dev_info(&pdev->dev, "Reading VID from GPIO5\n"); |
| res = superio_inb(W83627THF_GPIO5_DR) & sel; |
| |
| exit: |
| superio_exit(); |
| return res; |
| } |
| |
| static int __devinit w83687thf_read_vid(struct platform_device *pdev) |
| { |
| int res = 0xff; |
| |
| superio_enter(); |
| superio_select(W83627HF_LD_HWM); |
| |
| /* Make sure these GPIO pins are enabled */ |
| if (!(superio_inb(W83687THF_VID_EN) & (1 << 2))) { |
| dev_dbg(&pdev->dev, "VID disabled, no VID function\n"); |
| goto exit; |
| } |
| |
| /* Make sure the pins are configured for input */ |
| if (!(superio_inb(W83687THF_VID_CFG) & (1 << 4))) { |
| dev_dbg(&pdev->dev, "VID configured as output, " |
| "no VID function\n"); |
| goto exit; |
| } |
| |
| res = superio_inb(W83687THF_VID_DATA) & 0x3f; |
| |
| exit: |
| superio_exit(); |
| return res; |
| } |
| |
| static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value) |
| { |
| int word_sized; |
| |
| mutex_lock(&data->lock); |
| word_sized = (((reg & 0xff00) == 0x100) |
| || ((reg & 0xff00) == 0x200)) |
| && (((reg & 0x00ff) == 0x53) |
| || ((reg & 0x00ff) == 0x55)); |
| w83627hf_set_bank(data, reg); |
| outb_p(reg & 0xff, data->addr + W83781D_ADDR_REG_OFFSET); |
| if (word_sized) { |
| outb_p(value >> 8, |
| data->addr + W83781D_DATA_REG_OFFSET); |
| outb_p((reg & 0xff) + 1, |
| data->addr + W83781D_ADDR_REG_OFFSET); |
| } |
| outb_p(value & 0xff, |
| data->addr + W83781D_DATA_REG_OFFSET); |
| w83627hf_reset_bank(data, reg); |
| mutex_unlock(&data->lock); |
| return 0; |
| } |
| |
| static void __devinit w83627hf_init_device(struct platform_device *pdev) |
| { |
| struct w83627hf_data *data = platform_get_drvdata(pdev); |
| int i; |
| enum chips type = data->type; |
| u8 tmp; |
| |
| if (reset) { |
| /* Resetting the chip has been the default for a long time, |
| but repeatedly caused problems (fans going to full |
| speed...) so it is now optional. It might even go away if |
| nobody reports it as being useful, as I see very little |
| reason why this would be needed at all. */ |
| dev_info(&pdev->dev, "If reset=1 solved a problem you were " |
| "having, please report!\n"); |
| |
| /* save this register */ |
| i = w83627hf_read_value(data, W83781D_REG_BEEP_CONFIG); |
| /* Reset all except Watchdog values and last conversion values |
| This sets fan-divs to 2, among others */ |
| w83627hf_write_value(data, 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(data, 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(data, 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(data, W83781D_REG_I2C_SUBADDR, 0x89); |
| w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c); |
| |
| /* Read VID only once */ |
| if (type == w83627hf || type == w83637hf) { |
| int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); |
| int hi = w83627hf_read_value(data, W83781D_REG_CHIPID); |
| data->vid = (lo & 0x0f) | ((hi & 0x01) << 4); |
| } else if (type == w83627thf) { |
| data->vid = w83627thf_read_gpio5(pdev); |
| } else if (type == w83687thf) { |
| data->vid = w83687thf_read_vid(pdev); |
| } |
| |
| /* Read VRM & OVT Config only once */ |
| if (type == w83627thf || type == w83637hf || type == w83687thf) { |
| data->vrm_ovt = |
| w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG); |
| } |
| |
| tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); |
| for (i = 1; i <= 3; i++) { |
| if (!(tmp & BIT_SCFG1[i - 1])) { |
| data->sens[i - 1] = 4; |
| } else { |
| if (w83627hf_read_value |
| (data, |
| 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(data, W83627HF_REG_TEMP2_CONFIG); |
| if (tmp & 0x01) { |
| dev_warn(&pdev->dev, "Enabling temp2, readings " |
| "might not make sense\n"); |
| w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG, |
| tmp & 0xfe); |
| } |
| |
| /* Enable temp3 */ |
| if (type != w83697hf) { |
| tmp = w83627hf_read_value(data, |
| W83627HF_REG_TEMP3_CONFIG); |
| if (tmp & 0x01) { |
| dev_warn(&pdev->dev, "Enabling temp3, " |
| "readings might not make sense\n"); |
| w83627hf_write_value(data, |
| W83627HF_REG_TEMP3_CONFIG, tmp & 0xfe); |
| } |
| } |
| } |
| |
| /* Start monitoring */ |
| w83627hf_write_value(data, W83781D_REG_CONFIG, |
| (w83627hf_read_value(data, |
| W83781D_REG_CONFIG) & 0xf7) |
| | 0x01); |
| } |
| |
| static void w83627hf_update_fan_div(struct w83627hf_data *data) |
| { |
| int reg; |
| |
| reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); |
| data->fan_div[0] = (reg >> 4) & 0x03; |
| data->fan_div[1] = (reg >> 6) & 0x03; |
| if (data->type != w83697hf) { |
| data->fan_div[2] = (w83627hf_read_value(data, |
| W83781D_REG_PIN) >> 6) & 0x03; |
| } |
| reg = w83627hf_read_value(data, W83781D_REG_VBAT); |
| data->fan_div[0] |= (reg >> 3) & 0x04; |
| data->fan_div[1] |= (reg >> 4) & 0x04; |
| if (data->type != w83697hf) |
| data->fan_div[2] |= (reg >> 5) & 0x04; |
| } |
| |
| static struct w83627hf_data *w83627hf_update_device(struct device *dev) |
| { |
| struct w83627hf_data *data = dev_get_drvdata(dev); |
| int i, num_temps = (data->type == w83697hf) ? 2 : 3; |
| |
| mutex_lock(&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 != w83627hf && data->type != w83697hf) |
| && (i == 5 || i == 6))) |
| continue; |
| data->in[i] = |
| w83627hf_read_value(data, W83781D_REG_IN(i)); |
| data->in_min[i] = |
| w83627hf_read_value(data, |
| W83781D_REG_IN_MIN(i)); |
| data->in_max[i] = |
| w83627hf_read_value(data, |
| W83781D_REG_IN_MAX(i)); |
| } |
| for (i = 0; i <= 2; i++) { |
| data->fan[i] = |
| w83627hf_read_value(data, W83627HF_REG_FAN(i)); |
| data->fan_min[i] = |
| w83627hf_read_value(data, |
| W83627HF_REG_FAN_MIN(i)); |
| } |
| for (i = 0; i <= 2; i++) { |
| u8 tmp = w83627hf_read_value(data, |
| W836X7HF_REG_PWM(data->type, i)); |
| /* bits 0-3 are reserved in 627THF */ |
| if (data->type == w83627thf) |
| tmp &= 0xf0; |
| data->pwm[i] = tmp; |
| if (i == 1 && |
| (data->type == w83627hf || data->type == w83697hf)) |
| break; |
| } |
| if (data->type == w83627hf) { |
| u8 tmp = w83627hf_read_value(data, |
| W83627HF_REG_PWM_FREQ); |
| data->pwm_freq[0] = tmp & 0x07; |
| data->pwm_freq[1] = (tmp >> 4) & 0x07; |
| } else if (data->type != w83627thf) { |
| for (i = 1; i <= 3; i++) { |
| data->pwm_freq[i - 1] = |
| w83627hf_read_value(data, |
| W83637HF_REG_PWM_FREQ[i - 1]); |
| if (i == 2 && (data->type == w83697hf)) |
| break; |
| } |
| } |
| for (i = 0; i < num_temps; i++) { |
| data->temp[i] = w83627hf_read_value( |
| data, w83627hf_reg_temp[i]); |
| data->temp_max[i] = w83627hf_read_value( |
| data, w83627hf_reg_temp_over[i]); |
| data->temp_max_hyst[i] = w83627hf_read_value( |
| data, w83627hf_reg_temp_hyst[i]); |
| } |
| |
| w83627hf_update_fan_div(data); |
| |
| data->alarms = |
| w83627hf_read_value(data, W83781D_REG_ALARM1) | |
| (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) | |
| (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16); |
| i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); |
| data->beep_enable = i >> 7; |
| data->beep_mask = ((i & 0x7f) << 8) | |
| w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) | |
| w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16; |
| data->last_updated = jiffies; |
| data->valid = 1; |
| } |
| |
| mutex_unlock(&data->update_lock); |
| |
| return data; |
| } |
| |
| static int __init w83627hf_device_add(unsigned short address, |
| const struct w83627hf_sio_data *sio_data) |
| { |
| struct resource res = { |
| .start = address + WINB_REGION_OFFSET, |
| .end = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1, |
| .name = DRVNAME, |
| .flags = IORESOURCE_IO, |
| }; |
| int err; |
| |
| pdev = platform_device_alloc(DRVNAME, address); |
| if (!pdev) { |
| err = -ENOMEM; |
| printk(KERN_ERR DRVNAME ": Device allocation failed\n"); |
| goto exit; |
| } |
| |
| err = platform_device_add_resources(pdev, &res, 1); |
| if (err) { |
| printk(KERN_ERR DRVNAME ": Device resource addition failed " |
| "(%d)\n", err); |
| goto exit_device_put; |
| } |
| |
| err = platform_device_add_data(pdev, sio_data, |
| sizeof(struct w83627hf_sio_data)); |
| if (err) { |
| printk(KERN_ERR DRVNAME ": Platform data allocation failed\n"); |
| goto exit_device_put; |
| } |
| |
| err = platform_device_add(pdev); |
| if (err) { |
| printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n", |
| err); |
| goto exit_device_put; |
| } |
| |
| return 0; |
| |
| exit_device_put: |
| platform_device_put(pdev); |
| exit: |
| return err; |
| } |
| |
| static int __init sensors_w83627hf_init(void) |
| { |
| int err; |
| unsigned short address; |
| struct w83627hf_sio_data sio_data; |
| |
| if (w83627hf_find(0x2e, &address, &sio_data) |
| && w83627hf_find(0x4e, &address, &sio_data)) |
| return -ENODEV; |
| |
| err = platform_driver_register(&w83627hf_driver); |
| if (err) |
| goto exit; |
| |
| /* Sets global pdev as a side effect */ |
| err = w83627hf_device_add(address, &sio_data); |
| if (err) |
| goto exit_driver; |
| |
| return 0; |
| |
| exit_driver: |
| platform_driver_unregister(&w83627hf_driver); |
| exit: |
| return err; |
| } |
| |
| static void __exit sensors_w83627hf_exit(void) |
| { |
| platform_device_unregister(pdev); |
| platform_driver_unregister(&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); |