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drivers/hwmon/w83781d.c
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/* w83781d.c - Part of lm_sensors, Linux kernel modules for hardware monitoring Copyright (c) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>, |
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Philip Edelbrock <phil@netroedge.com>, and Mark Studebaker <mdsxyz123@yahoo.com> |
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Copyright (c) 2007 - 2008 Jean Delvare <khali@linux-fr.org> |
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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 as99127f 7 3 0 3 0x31 0x12c3 yes no as99127f rev.2 (type_name = as99127f) 0x31 0x5ca3 yes no w83781d 7 3 0 3 0x10-1 0x5ca3 yes yes |
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w83782d 9 3 2-4 3 0x30 0x5ca3 yes yes w83783s 5-6 3 2 1-2 0x40 0x5ca3 yes no |
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*/ |
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
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#include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/jiffies.h> #include <linux/i2c.h> |
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#include <linux/hwmon.h> |
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#include <linux/hwmon-vid.h> |
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#include <linux/hwmon-sysfs.h> |
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#include <linux/sysfs.h> |
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#include <linux/err.h> |
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#include <linux/mutex.h> |
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#ifdef CONFIG_ISA #include <linux/platform_device.h> #include <linux/ioport.h> |
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#include <linux/io.h> |
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#endif |
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#include "lm75.h" |
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/* Addresses to scan */ |
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static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; |
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enum chips { w83781d, w83782d, w83783s, as99127f }; /* Insmod parameters */ |
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static unsigned short force_subclients[4]; module_param_array(force_subclients, short, NULL, 0); MODULE_PARM_DESC(force_subclients, "List of subclient addresses: " |
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"{bus, clientaddr, subclientaddr1, subclientaddr2}"); |
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static bool reset; |
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module_param(reset, bool, 0); MODULE_PARM_DESC(reset, "Set to one to reset chip on load"); |
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static bool init = 1; |
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module_param(init, bool, 0); MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); /* Constants specified below */ /* Length of ISA address segment */ #define W83781D_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 |
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/* The device registers */ /* in nr from 0 to 8 */ |
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#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)) |
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/* fan nr from 0 to 2 */ #define W83781D_REG_FAN_MIN(nr) (0x3b + (nr)) #define W83781D_REG_FAN(nr) (0x28 + (nr)) |
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#define W83781D_REG_BANK 0x4E #define W83781D_REG_TEMP2_CONFIG 0x152 #define W83781D_REG_TEMP3_CONFIG 0x252 |
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/* temp nr from 1 to 3 */ |
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#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_CONFIG 0x40 |
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/* Interrupt status (W83781D, AS99127F) */ |
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#define W83781D_REG_ALARM1 0x41 #define W83781D_REG_ALARM2 0x42 |
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/* Real-time status (W83782D, W83783S) */ |
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#define W83782D_REG_ALARM1 0x459 #define W83782D_REG_ALARM2 0x45A #define W83782D_REG_ALARM3 0x45B |
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#define W83781D_REG_BEEP_CONFIG 0x4D #define W83781D_REG_BEEP_INTS1 0x56 #define W83781D_REG_BEEP_INTS2 0x57 #define W83781D_REG_BEEP_INTS3 0x453 /* not on W83781D */ #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 /* 782D/783S only */ #define W83781D_REG_VBAT 0x5D /* PWM 782D (1-4) and 783S (1-2) only */ |
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static const u8 W83781D_REG_PWM[] = { 0x5B, 0x5A, 0x5E, 0x5F }; |
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#define W83781D_REG_PWMCLK12 0x5C #define W83781D_REG_PWMCLK34 0x45C |
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#define W83781D_REG_I2C_ADDR 0x48 #define W83781D_REG_I2C_SUBADDR 0x4A /* The following are undocumented in the data sheets however we received the information in an email from Winbond tech support */ /* Sensor selection - not on 781d */ #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 |
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/* Conversions */ #define IN_TO_REG(val) SENSORS_LIMIT(((val) + 8) / 16, 0, 255) #define IN_FROM_REG(val) ((val) * 16) |
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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); } |
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static inline long FAN_FROM_REG(u8 val, int div) { if (val == 0) return -1; if (val == 255) return 0; return 1350000 / (val * div); } |
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#define TEMP_TO_REG(val) SENSORS_LIMIT((val) / 1000, -127, 128) #define TEMP_FROM_REG(val) ((val) * 1000) |
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#define BEEP_MASK_FROM_REG(val,type) ((type) == as99127f ? \ |
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(~(val)) & 0x7fff : (val) & 0xff7fff) |
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#define BEEP_MASK_TO_REG(val,type) ((type) == as99127f ? \ |
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(~(val)) & 0x7fff : (val) & 0xff7fff) |
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#define DIV_FROM_REG(val) (1 << (val)) static inline u8 DIV_TO_REG(long val, enum chips type) { int i; val = SENSORS_LIMIT(val, 1, ((type == w83781d || type == as99127f) ? 8 : 128)) >> 1; |
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for (i = 0; i < 7; i++) { |
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if (val == 0) break; val >>= 1; } |
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return i; |
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} |
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struct w83781d_data { |
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struct i2c_client *client; |
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struct device *hwmon_dev; |
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struct mutex lock; |
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enum chips type; |
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/* For ISA device only */ const char *name; int isa_addr; |
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struct mutex update_lock; |
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char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ struct i2c_client *lm75[2]; /* for secondary I2C addresses */ /* array of 2 pointers to subclients */ u8 in[9]; /* Register value - 8 & 9 for 782D only */ u8 in_max[9]; /* Register value - 8 & 9 for 782D only */ u8 in_min[9]; /* Register value - 8 & 9 for 782D only */ u8 fan[3]; /* Register value */ u8 fan_min[3]; /* Register value */ |
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s8 temp; /* Register value */ s8 temp_max; /* Register value */ s8 temp_max_hyst; /* Register value */ |
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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 */ |
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u8 pwm[4]; /* Register value */ |
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u8 pwm2_enable; /* Boolean */ |
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u16 sens[3]; /* 782D/783S only. 1 = pentium diode; 2 = 3904 diode; |
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4 = thermistor */ |
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u8 vrm; }; |
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static struct w83781d_data *w83781d_data_if_isa(void); static int w83781d_alias_detect(struct i2c_client *client, u8 chipid); |
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static int w83781d_read_value(struct w83781d_data *data, u16 reg); static int w83781d_write_value(struct w83781d_data *data, u16 reg, u16 value); |
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static struct w83781d_data *w83781d_update_device(struct device *dev); |
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static void w83781d_init_device(struct device *dev); |
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/* following are the sysfs callback functions */ #define show_in_reg(reg) \ |
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static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \ char *buf) \ |
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{ \ |
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \ |
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struct w83781d_data *data = w83781d_update_device(dev); \ |
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return sprintf(buf, "%ld ", \ (long)IN_FROM_REG(data->reg[attr->index])); \ |
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} show_in_reg(in); show_in_reg(in_min); show_in_reg(in_max); #define store_in_reg(REG, reg) \ |
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static ssize_t store_in_##reg (struct device *dev, struct device_attribute \ *da, const char *buf, size_t count) \ |
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{ \ |
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \ |
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struct w83781d_data *data = dev_get_drvdata(dev); \ |
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int nr = attr->index; \ |
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u32 val; \ \ |
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val = simple_strtoul(buf, NULL, 10); \ |
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\ |
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mutex_lock(&data->update_lock); \ |
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data->in_##reg[nr] = IN_TO_REG(val); \ |
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w83781d_write_value(data, W83781D_REG_IN_##REG(nr), data->in_##reg[nr]); \ |
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\ |
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mutex_unlock(&data->update_lock); \ |
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return count; \ } store_in_reg(MIN, min); store_in_reg(MAX, max); |
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#define sysfs_in_offsets(offset) \ |
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static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ show_in, 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) |
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sysfs_in_offsets(0); 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); |
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#define show_fan_reg(reg) \ |
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static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \ char *buf) \ |
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{ \ |
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \ |
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struct w83781d_data *data = w83781d_update_device(dev); \ return sprintf(buf,"%ld ", \ |
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FAN_FROM_REG(data->reg[attr->index], \ DIV_FROM_REG(data->fan_div[attr->index]))); \ |
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} show_fan_reg(fan); show_fan_reg(fan_min); static ssize_t |
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store_fan_min(struct device *dev, struct device_attribute *da, const char *buf, size_t count) |
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{ |
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
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struct w83781d_data *data = dev_get_drvdata(dev); |
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int nr = attr->index; |
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u32 val; val = simple_strtoul(buf, NULL, 10); |
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mutex_lock(&data->update_lock); |
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data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); |
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w83781d_write_value(data, W83781D_REG_FAN_MIN(nr), |
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data->fan_min[nr]); |
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mutex_unlock(&data->update_lock); |
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return count; } |
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static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR, show_fan_min, store_fan_min, 0); static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO | S_IWUSR, show_fan_min, store_fan_min, 1); static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2); static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO | S_IWUSR, show_fan_min, store_fan_min, 2); |
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#define show_temp_reg(reg) \ |
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static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \ char *buf) \ |
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{ \ |
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \ |
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struct w83781d_data *data = w83781d_update_device(dev); \ |
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int nr = attr->index; \ |
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if (nr >= 2) { /* TEMP2 and TEMP3 */ \ return sprintf(buf,"%d ", \ LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \ } else { /* TEMP1 */ \ return sprintf(buf,"%ld ", (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) \ |
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static ssize_t store_temp_##reg (struct device *dev, \ struct device_attribute *da, const char *buf, size_t count) \ |
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{ \ |
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \ |
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struct w83781d_data *data = dev_get_drvdata(dev); \ |
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int nr = attr->index; \ |
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long val; \ |
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\ val = simple_strtol(buf, NULL, 10); \ \ |
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mutex_lock(&data->update_lock); \ |
1da177e4c Linux-2.6.12-rc2 |
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\ if (nr >= 2) { /* TEMP2 and TEMP3 */ \ data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \ |
31b8dc4d5 hwmon/w83781d: Be... |
371 |
w83781d_write_value(data, W83781D_REG_TEMP_##REG(nr), \ |
1da177e4c Linux-2.6.12-rc2 |
372 373 374 |
data->temp_##reg##_add[nr-2]); \ } else { /* TEMP1 */ \ data->temp_##reg = TEMP_TO_REG(val); \ |
31b8dc4d5 hwmon/w83781d: Be... |
375 |
w83781d_write_value(data, W83781D_REG_TEMP_##REG(nr), \ |
1da177e4c Linux-2.6.12-rc2 |
376 377 378 |
data->temp_##reg); \ } \ \ |
9a61bf630 [PATCH] hwmon: Se... |
379 |
mutex_unlock(&data->update_lock); \ |
1da177e4c Linux-2.6.12-rc2 |
380 381 382 383 |
return count; \ } store_temp_reg(OVER, max); store_temp_reg(HYST, max_hyst); |
1da177e4c Linux-2.6.12-rc2 |
384 |
#define sysfs_temp_offsets(offset) \ |
348753379 hwmon/w83781d: Us... |
385 386 387 388 389 390 |
static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ show_temp, NULL, offset); \ static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ show_temp_max, store_temp_max, offset); \ static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO | S_IWUSR, \ show_temp_max_hyst, store_temp_max_hyst, offset); |
1da177e4c Linux-2.6.12-rc2 |
391 392 393 394 |
sysfs_temp_offsets(1); sysfs_temp_offsets(2); sysfs_temp_offsets(3); |
1da177e4c Linux-2.6.12-rc2 |
395 |
static ssize_t |
e404e274f [PATCH] Driver Co... |
396 |
show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4c Linux-2.6.12-rc2 |
397 398 399 400 401 |
{ struct w83781d_data *data = w83781d_update_device(dev); return sprintf(buf, "%ld ", (long) vid_from_reg(data->vid, data->vrm)); } |
311ce2efb w83781d: Fix unch... |
402 |
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); |
1da177e4c Linux-2.6.12-rc2 |
403 |
static ssize_t |
e404e274f [PATCH] Driver Co... |
404 |
show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4c Linux-2.6.12-rc2 |
405 |
{ |
90d6619a9 hwmon: VRM is not... |
406 |
struct w83781d_data *data = dev_get_drvdata(dev); |
1da177e4c Linux-2.6.12-rc2 |
407 408 409 410 411 |
return sprintf(buf, "%ld ", (long) data->vrm); } static ssize_t |
e404e274f [PATCH] Driver Co... |
412 |
store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
1da177e4c Linux-2.6.12-rc2 |
413 |
{ |
7666c13c6 hwmon/w83781d: No... |
414 |
struct w83781d_data *data = dev_get_drvdata(dev); |
1da177e4c Linux-2.6.12-rc2 |
415 416 417 418 419 420 421 |
u32 val; val = simple_strtoul(buf, NULL, 10); data->vrm = val; return count; } |
311ce2efb w83781d: Fix unch... |
422 |
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); |
1da177e4c Linux-2.6.12-rc2 |
423 |
static ssize_t |
e404e274f [PATCH] Driver Co... |
424 |
show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4c Linux-2.6.12-rc2 |
425 426 |
{ struct w83781d_data *data = w83781d_update_device(dev); |
68188ba7d [PATCH] I2C: Kill... |
427 428 |
return sprintf(buf, "%u ", data->alarms); |
1da177e4c Linux-2.6.12-rc2 |
429 |
} |
311ce2efb w83781d: Fix unch... |
430 |
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); |
7d4a13749 hwmon: (w83781d) ... |
431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 |
static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, char *buf) { struct w83781d_data *data = w83781d_update_device(dev); int bitnr = to_sensor_dev_attr(attr)->index; return sprintf(buf, "%u ", (data->alarms >> bitnr) & 1); } /* The W83781D has a single alarm bit for temp2 and temp3 */ static ssize_t show_temp3_alarm(struct device *dev, struct device_attribute *attr, char *buf) { struct w83781d_data *data = w83781d_update_device(dev); int bitnr = (data->type == w83781d) ? 5 : 13; return sprintf(buf, "%u ", (data->alarms >> bitnr) & 1); } static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8); static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9); static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10); static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16); static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17); static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6); static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7); static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11); static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4); static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5); static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_temp3_alarm, NULL, 0); |
e404e274f [PATCH] Driver Co... |
465 |
static ssize_t show_beep_mask (struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4c Linux-2.6.12-rc2 |
466 467 468 469 470 471 |
{ struct w83781d_data *data = w83781d_update_device(dev); return sprintf(buf, "%ld ", (long)BEEP_MASK_FROM_REG(data->beep_mask, data->type)); } |
1da177e4c Linux-2.6.12-rc2 |
472 |
|
1da177e4c Linux-2.6.12-rc2 |
473 |
static ssize_t |
348753379 hwmon/w83781d: Us... |
474 475 |
store_beep_mask(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
1da177e4c Linux-2.6.12-rc2 |
476 |
{ |
7666c13c6 hwmon/w83781d: No... |
477 |
struct w83781d_data *data = dev_get_drvdata(dev); |
348753379 hwmon/w83781d: Us... |
478 |
u32 val; |
1da177e4c Linux-2.6.12-rc2 |
479 480 |
val = simple_strtoul(buf, NULL, 10); |
9a61bf630 [PATCH] hwmon: Se... |
481 |
mutex_lock(&data->update_lock); |
2fbbbf148 hwmon: (w83781d) ... |
482 483 |
data->beep_mask &= 0x8000; /* preserve beep enable */ data->beep_mask |= BEEP_MASK_TO_REG(val, data->type); |
348753379 hwmon/w83781d: Us... |
484 485 486 |
w83781d_write_value(data, W83781D_REG_BEEP_INTS1, data->beep_mask & 0xff); w83781d_write_value(data, W83781D_REG_BEEP_INTS2, |
2fbbbf148 hwmon: (w83781d) ... |
487 |
(data->beep_mask >> 8) & 0xff); |
348753379 hwmon/w83781d: Us... |
488 489 490 491 492 |
if (data->type != w83781d && data->type != as99127f) { w83781d_write_value(data, W83781D_REG_BEEP_INTS3, ((data->beep_mask) >> 16) & 0xff); } mutex_unlock(&data->update_lock); |
1da177e4c Linux-2.6.12-rc2 |
493 |
|
348753379 hwmon/w83781d: Us... |
494 495 |
return count; } |
1da177e4c Linux-2.6.12-rc2 |
496 |
|
348753379 hwmon/w83781d: Us... |
497 498 |
static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR, show_beep_mask, store_beep_mask); |
1da177e4c Linux-2.6.12-rc2 |
499 |
|
7d4a13749 hwmon: (w83781d) ... |
500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 |
static ssize_t show_beep(struct device *dev, struct device_attribute *attr, char *buf) { struct w83781d_data *data = w83781d_update_device(dev); int bitnr = to_sensor_dev_attr(attr)->index; return sprintf(buf, "%u ", (data->beep_mask >> bitnr) & 1); } static ssize_t store_beep(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct w83781d_data *data = dev_get_drvdata(dev); int bitnr = to_sensor_dev_attr(attr)->index; unsigned long bit; u8 reg; bit = simple_strtoul(buf, NULL, 10); if (bit & ~1) return -EINVAL; mutex_lock(&data->update_lock); if (bit) data->beep_mask |= (1 << bitnr); else data->beep_mask &= ~(1 << bitnr); if (bitnr < 8) { reg = w83781d_read_value(data, W83781D_REG_BEEP_INTS1); if (bit) reg |= (1 << bitnr); else reg &= ~(1 << bitnr); w83781d_write_value(data, W83781D_REG_BEEP_INTS1, reg); } else if (bitnr < 16) { reg = w83781d_read_value(data, W83781D_REG_BEEP_INTS2); if (bit) reg |= (1 << (bitnr - 8)); else reg &= ~(1 << (bitnr - 8)); w83781d_write_value(data, W83781D_REG_BEEP_INTS2, reg); } else { reg = w83781d_read_value(data, W83781D_REG_BEEP_INTS3); if (bit) reg |= (1 << (bitnr - 16)); else reg &= ~(1 << (bitnr - 16)); w83781d_write_value(data, W83781D_REG_BEEP_INTS3, reg); } mutex_unlock(&data->update_lock); return count; } /* The W83781D has a single beep bit for temp2 and temp3 */ static ssize_t show_temp3_beep(struct device *dev, struct device_attribute *attr, char *buf) { struct w83781d_data *data = w83781d_update_device(dev); int bitnr = (data->type == w83781d) ? 5 : 13; return sprintf(buf, "%u ", (data->beep_mask >> bitnr) & 1); } static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 0); static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 1); static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 2); static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 3); static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 8); static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 9); static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 10); static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 16); static SENSOR_DEVICE_ATTR(in8_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 17); static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 6); static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 7); static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 11); static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 4); static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 5); static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO, show_temp3_beep, store_beep, 13); |
2fbbbf148 hwmon: (w83781d) ... |
595 596 |
static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR, show_beep, store_beep, 15); |
7d4a13749 hwmon: (w83781d) ... |
597 |
|
1da177e4c Linux-2.6.12-rc2 |
598 |
static ssize_t |
348753379 hwmon/w83781d: Us... |
599 |
show_fan_div(struct device *dev, struct device_attribute *da, char *buf) |
1da177e4c Linux-2.6.12-rc2 |
600 |
{ |
348753379 hwmon/w83781d: Us... |
601 |
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
1da177e4c Linux-2.6.12-rc2 |
602 603 604 |
struct w83781d_data *data = w83781d_update_device(dev); return sprintf(buf, "%ld ", |
348753379 hwmon/w83781d: Us... |
605 |
(long) DIV_FROM_REG(data->fan_div[attr->index])); |
1da177e4c Linux-2.6.12-rc2 |
606 607 608 609 |
} /* 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 |
d6e05edc5 spelling fixes |
610 |
least surprise; the user doesn't expect the fan minimum to change just |
1da177e4c Linux-2.6.12-rc2 |
611 612 |
because the divisor changed. */ static ssize_t |
348753379 hwmon/w83781d: Us... |
613 614 |
store_fan_div(struct device *dev, struct device_attribute *da, const char *buf, size_t count) |
1da177e4c Linux-2.6.12-rc2 |
615 |
{ |
348753379 hwmon/w83781d: Us... |
616 |
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
7666c13c6 hwmon/w83781d: No... |
617 |
struct w83781d_data *data = dev_get_drvdata(dev); |
1da177e4c Linux-2.6.12-rc2 |
618 |
unsigned long min; |
348753379 hwmon/w83781d: Us... |
619 |
int nr = attr->index; |
1da177e4c Linux-2.6.12-rc2 |
620 621 |
u8 reg; unsigned long val = simple_strtoul(buf, NULL, 10); |
9a61bf630 [PATCH] hwmon: Se... |
622 |
mutex_lock(&data->update_lock); |
293c09971 hwmon: (w83781d) ... |
623 |
|
1da177e4c Linux-2.6.12-rc2 |
624 625 626 627 628 |
/* 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, data->type); |
31b8dc4d5 hwmon/w83781d: Be... |
629 |
reg = (w83781d_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) |
1da177e4c Linux-2.6.12-rc2 |
630 631 |
& (nr==0 ? 0xcf : 0x3f)) | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); |
31b8dc4d5 hwmon/w83781d: Be... |
632 |
w83781d_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); |
1da177e4c Linux-2.6.12-rc2 |
633 634 635 |
/* w83781d and as99127f don't have extended divisor bits */ if (data->type != w83781d && data->type != as99127f) { |
31b8dc4d5 hwmon/w83781d: Be... |
636 |
reg = (w83781d_read_value(data, W83781D_REG_VBAT) |
1da177e4c Linux-2.6.12-rc2 |
637 638 |
& ~(1 << (5 + nr))) | ((data->fan_div[nr] & 0x04) << (3 + nr)); |
31b8dc4d5 hwmon/w83781d: Be... |
639 |
w83781d_write_value(data, W83781D_REG_VBAT, reg); |
1da177e4c Linux-2.6.12-rc2 |
640 641 642 643 |
} /* Restore fan_min */ data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); |
348753379 hwmon/w83781d: Us... |
644 |
w83781d_write_value(data, W83781D_REG_FAN_MIN(nr), data->fan_min[nr]); |
1da177e4c Linux-2.6.12-rc2 |
645 |
|
9a61bf630 [PATCH] hwmon: Se... |
646 |
mutex_unlock(&data->update_lock); |
1da177e4c Linux-2.6.12-rc2 |
647 648 |
return count; } |
348753379 hwmon/w83781d: Us... |
649 650 651 652 653 654 |
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); |
1da177e4c Linux-2.6.12-rc2 |
655 |
|
1da177e4c Linux-2.6.12-rc2 |
656 |
static ssize_t |
348753379 hwmon/w83781d: Us... |
657 |
show_pwm(struct device *dev, struct device_attribute *da, char *buf) |
1da177e4c Linux-2.6.12-rc2 |
658 |
{ |
348753379 hwmon/w83781d: Us... |
659 |
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
1da177e4c Linux-2.6.12-rc2 |
660 |
struct w83781d_data *data = w83781d_update_device(dev); |
348753379 hwmon/w83781d: Us... |
661 662 |
return sprintf(buf, "%d ", (int)data->pwm[attr->index]); |
1da177e4c Linux-2.6.12-rc2 |
663 664 665 |
} static ssize_t |
348753379 hwmon/w83781d: Us... |
666 |
show_pwm2_enable(struct device *dev, struct device_attribute *da, char *buf) |
1da177e4c Linux-2.6.12-rc2 |
667 668 |
{ struct w83781d_data *data = w83781d_update_device(dev); |
348753379 hwmon/w83781d: Us... |
669 670 |
return sprintf(buf, "%d ", (int)data->pwm2_enable); |
1da177e4c Linux-2.6.12-rc2 |
671 672 673 |
} static ssize_t |
348753379 hwmon/w83781d: Us... |
674 675 |
store_pwm(struct device *dev, struct device_attribute *da, const char *buf, size_t count) |
1da177e4c Linux-2.6.12-rc2 |
676 |
{ |
348753379 hwmon/w83781d: Us... |
677 |
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
7666c13c6 hwmon/w83781d: No... |
678 |
struct w83781d_data *data = dev_get_drvdata(dev); |
348753379 hwmon/w83781d: Us... |
679 |
int nr = attr->index; |
1da177e4c Linux-2.6.12-rc2 |
680 681 682 |
u32 val; val = simple_strtoul(buf, NULL, 10); |
9a61bf630 [PATCH] hwmon: Se... |
683 |
mutex_lock(&data->update_lock); |
348753379 hwmon/w83781d: Us... |
684 685 |
data->pwm[nr] = SENSORS_LIMIT(val, 0, 255); w83781d_write_value(data, W83781D_REG_PWM[nr], data->pwm[nr]); |
9a61bf630 [PATCH] hwmon: Se... |
686 |
mutex_unlock(&data->update_lock); |
1da177e4c Linux-2.6.12-rc2 |
687 688 689 690 |
return count; } static ssize_t |
348753379 hwmon/w83781d: Us... |
691 692 |
store_pwm2_enable(struct device *dev, struct device_attribute *da, const char *buf, size_t count) |
1da177e4c Linux-2.6.12-rc2 |
693 |
{ |
7666c13c6 hwmon/w83781d: No... |
694 |
struct w83781d_data *data = dev_get_drvdata(dev); |
1da177e4c Linux-2.6.12-rc2 |
695 696 697 |
u32 val, reg; val = simple_strtoul(buf, NULL, 10); |
9a61bf630 [PATCH] hwmon: Se... |
698 |
mutex_lock(&data->update_lock); |
1da177e4c Linux-2.6.12-rc2 |
699 700 701 702 |
switch (val) { case 0: case 1: |
31b8dc4d5 hwmon/w83781d: Be... |
703 704 |
reg = w83781d_read_value(data, W83781D_REG_PWMCLK12); w83781d_write_value(data, W83781D_REG_PWMCLK12, |
1da177e4c Linux-2.6.12-rc2 |
705 |
(reg & 0xf7) | (val << 3)); |
31b8dc4d5 hwmon/w83781d: Be... |
706 707 |
reg = w83781d_read_value(data, W83781D_REG_BEEP_CONFIG); w83781d_write_value(data, W83781D_REG_BEEP_CONFIG, |
1da177e4c Linux-2.6.12-rc2 |
708 |
(reg & 0xef) | (!val << 4)); |
348753379 hwmon/w83781d: Us... |
709 |
data->pwm2_enable = val; |
1da177e4c Linux-2.6.12-rc2 |
710 711 712 |
break; default: |
9a61bf630 [PATCH] hwmon: Se... |
713 |
mutex_unlock(&data->update_lock); |
1da177e4c Linux-2.6.12-rc2 |
714 715 |
return -EINVAL; } |
9a61bf630 [PATCH] hwmon: Se... |
716 |
mutex_unlock(&data->update_lock); |
1da177e4c Linux-2.6.12-rc2 |
717 718 |
return count; } |
348753379 hwmon/w83781d: Us... |
719 720 721 722 723 724 725 |
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 SENSOR_DEVICE_ATTR(pwm4, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 3); /* only PWM2 can be enabled/disabled */ static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, show_pwm2_enable, store_pwm2_enable); |
1da177e4c Linux-2.6.12-rc2 |
726 |
|
1da177e4c Linux-2.6.12-rc2 |
727 |
static ssize_t |
348753379 hwmon/w83781d: Us... |
728 |
show_sensor(struct device *dev, struct device_attribute *da, char *buf) |
1da177e4c Linux-2.6.12-rc2 |
729 |
{ |
348753379 hwmon/w83781d: Us... |
730 |
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
1da177e4c Linux-2.6.12-rc2 |
731 |
struct w83781d_data *data = w83781d_update_device(dev); |
348753379 hwmon/w83781d: Us... |
732 733 |
return sprintf(buf, "%d ", (int)data->sens[attr->index]); |
1da177e4c Linux-2.6.12-rc2 |
734 735 736 |
} static ssize_t |
348753379 hwmon/w83781d: Us... |
737 738 |
store_sensor(struct device *dev, struct device_attribute *da, const char *buf, size_t count) |
1da177e4c Linux-2.6.12-rc2 |
739 |
{ |
348753379 hwmon/w83781d: Us... |
740 |
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
7666c13c6 hwmon/w83781d: No... |
741 |
struct w83781d_data *data = dev_get_drvdata(dev); |
348753379 hwmon/w83781d: Us... |
742 |
int nr = attr->index; |
1da177e4c Linux-2.6.12-rc2 |
743 744 745 |
u32 val, tmp; val = simple_strtoul(buf, NULL, 10); |
9a61bf630 [PATCH] hwmon: Se... |
746 |
mutex_lock(&data->update_lock); |
1da177e4c Linux-2.6.12-rc2 |
747 748 749 |
switch (val) { case 1: /* PII/Celeron diode */ |
31b8dc4d5 hwmon/w83781d: Be... |
750 751 |
tmp = w83781d_read_value(data, W83781D_REG_SCFG1); w83781d_write_value(data, W83781D_REG_SCFG1, |
348753379 hwmon/w83781d: Us... |
752 |
tmp | BIT_SCFG1[nr]); |
31b8dc4d5 hwmon/w83781d: Be... |
753 754 |
tmp = w83781d_read_value(data, W83781D_REG_SCFG2); w83781d_write_value(data, W83781D_REG_SCFG2, |
348753379 hwmon/w83781d: Us... |
755 756 |
tmp | BIT_SCFG2[nr]); data->sens[nr] = val; |
1da177e4c Linux-2.6.12-rc2 |
757 758 |
break; case 2: /* 3904 */ |
31b8dc4d5 hwmon/w83781d: Be... |
759 760 |
tmp = w83781d_read_value(data, W83781D_REG_SCFG1); w83781d_write_value(data, W83781D_REG_SCFG1, |
348753379 hwmon/w83781d: Us... |
761 |
tmp | BIT_SCFG1[nr]); |
31b8dc4d5 hwmon/w83781d: Be... |
762 763 |
tmp = w83781d_read_value(data, W83781D_REG_SCFG2); w83781d_write_value(data, W83781D_REG_SCFG2, |
348753379 hwmon/w83781d: Us... |
764 765 |
tmp & ~BIT_SCFG2[nr]); data->sens[nr] = val; |
1da177e4c Linux-2.6.12-rc2 |
766 |
break; |
b26f93309 hwmon: Don't expo... |
767 768 769 770 771 772 |
case W83781D_DEFAULT_BETA: dev_warn(dev, "Sensor type %d is deprecated, please use 4 " "instead ", W83781D_DEFAULT_BETA); /* fall through */ case 4: /* thermistor */ |
31b8dc4d5 hwmon/w83781d: Be... |
773 774 |
tmp = w83781d_read_value(data, W83781D_REG_SCFG1); w83781d_write_value(data, W83781D_REG_SCFG1, |
348753379 hwmon/w83781d: Us... |
775 776 |
tmp & ~BIT_SCFG1[nr]); data->sens[nr] = val; |
1da177e4c Linux-2.6.12-rc2 |
777 778 |
break; default: |
b26f93309 hwmon: Don't expo... |
779 780 781 |
dev_err(dev, "Invalid sensor type %ld; must be 1, 2, or 4 ", (long) val); |
1da177e4c Linux-2.6.12-rc2 |
782 783 |
break; } |
9a61bf630 [PATCH] hwmon: Se... |
784 |
mutex_unlock(&data->update_lock); |
1da177e4c Linux-2.6.12-rc2 |
785 786 |
return count; } |
348753379 hwmon/w83781d: Us... |
787 788 789 |
static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO | S_IWUSR, show_sensor, store_sensor, 0); static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO | S_IWUSR, |
393cdad62 hwmon: fix w83781... |
790 |
show_sensor, store_sensor, 1); |
348753379 hwmon/w83781d: Us... |
791 |
static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO | S_IWUSR, |
393cdad62 hwmon: fix w83781... |
792 |
show_sensor, store_sensor, 2); |
1da177e4c Linux-2.6.12-rc2 |
793 |
|
1da177e4c Linux-2.6.12-rc2 |
794 795 796 797 |
/* Assumes that adapter is of I2C, not ISA variety. * OTHERWISE DON'T CALL THIS */ static int |
0217eae3a hwmon: (w83781d) ... |
798 |
w83781d_detect_subclients(struct i2c_client *new_client) |
1da177e4c Linux-2.6.12-rc2 |
799 800 801 |
{ int i, val1 = 0, id; int err; |
0217eae3a hwmon: (w83781d) ... |
802 803 804 |
int address = new_client->addr; unsigned short sc_addr[2]; struct i2c_adapter *adapter = new_client->adapter; |
1da177e4c Linux-2.6.12-rc2 |
805 |
struct w83781d_data *data = i2c_get_clientdata(new_client); |
0217eae3a hwmon: (w83781d) ... |
806 |
enum chips kind = data->type; |
1da177e4c Linux-2.6.12-rc2 |
807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 |
id = i2c_adapter_id(adapter); if (force_subclients[0] == id && force_subclients[1] == address) { for (i = 2; i <= 3; i++) { if (force_subclients[i] < 0x48 || force_subclients[i] > 0x4f) { dev_err(&new_client->dev, "Invalid subclient " "address %d; must be 0x48-0x4f ", force_subclients[i]); err = -EINVAL; goto ERROR_SC_1; } } |
31b8dc4d5 hwmon/w83781d: Be... |
822 |
w83781d_write_value(data, W83781D_REG_I2C_SUBADDR, |
1da177e4c Linux-2.6.12-rc2 |
823 824 |
(force_subclients[2] & 0x07) | ((force_subclients[3] & 0x07) << 4)); |
0217eae3a hwmon: (w83781d) ... |
825 |
sc_addr[0] = force_subclients[2]; |
1da177e4c Linux-2.6.12-rc2 |
826 |
} else { |
31b8dc4d5 hwmon/w83781d: Be... |
827 |
val1 = w83781d_read_value(data, W83781D_REG_I2C_SUBADDR); |
0217eae3a hwmon: (w83781d) ... |
828 |
sc_addr[0] = 0x48 + (val1 & 0x07); |
1da177e4c Linux-2.6.12-rc2 |
829 830 831 |
} if (kind != w83783s) { |
1da177e4c Linux-2.6.12-rc2 |
832 833 |
if (force_subclients[0] == id && force_subclients[1] == address) { |
0217eae3a hwmon: (w83781d) ... |
834 |
sc_addr[1] = force_subclients[3]; |
1da177e4c Linux-2.6.12-rc2 |
835 |
} else { |
0217eae3a hwmon: (w83781d) ... |
836 |
sc_addr[1] = 0x48 + ((val1 >> 4) & 0x07); |
1da177e4c Linux-2.6.12-rc2 |
837 |
} |
0217eae3a hwmon: (w83781d) ... |
838 |
if (sc_addr[0] == sc_addr[1]) { |
1da177e4c Linux-2.6.12-rc2 |
839 840 841 |
dev_err(&new_client->dev, "Duplicate addresses 0x%x for subclients. ", |
0217eae3a hwmon: (w83781d) ... |
842 |
sc_addr[0]); |
1da177e4c Linux-2.6.12-rc2 |
843 844 845 846 |
err = -EBUSY; goto ERROR_SC_2; } } |
1da177e4c Linux-2.6.12-rc2 |
847 |
for (i = 0; i <= 1; i++) { |
0217eae3a hwmon: (w83781d) ... |
848 849 |
data->lm75[i] = i2c_new_dummy(adapter, sc_addr[i]); if (!data->lm75[i]) { |
1da177e4c Linux-2.6.12-rc2 |
850 851 |
dev_err(&new_client->dev, "Subclient %d " "registration at address 0x%x " |
0217eae3a hwmon: (w83781d) ... |
852 853 854 |
"failed. ", i, sc_addr[i]); err = -ENOMEM; |
1da177e4c Linux-2.6.12-rc2 |
855 856 857 858 859 860 861 862 863 864 865 866 |
if (i == 1) goto ERROR_SC_3; goto ERROR_SC_2; } if (kind == w83783s) break; } return 0; /* Undo inits in case of errors */ ERROR_SC_3: |
0217eae3a hwmon: (w83781d) ... |
867 |
i2c_unregister_device(data->lm75[0]); |
1da177e4c Linux-2.6.12-rc2 |
868 |
ERROR_SC_2: |
1da177e4c Linux-2.6.12-rc2 |
869 |
ERROR_SC_1: |
1da177e4c Linux-2.6.12-rc2 |
870 871 |
return err; } |
348753379 hwmon/w83781d: Us... |
872 873 874 |
#define IN_UNIT_ATTRS(X) \ &sensor_dev_attr_in##X##_input.dev_attr.attr, \ &sensor_dev_attr_in##X##_min.dev_attr.attr, \ |
293c09971 hwmon: (w83781d) ... |
875 |
&sensor_dev_attr_in##X##_max.dev_attr.attr, \ |
7d4a13749 hwmon: (w83781d) ... |
876 877 |
&sensor_dev_attr_in##X##_alarm.dev_attr.attr, \ &sensor_dev_attr_in##X##_beep.dev_attr.attr |
311ce2efb w83781d: Fix unch... |
878 |
|
348753379 hwmon/w83781d: Us... |
879 880 881 |
#define FAN_UNIT_ATTRS(X) \ &sensor_dev_attr_fan##X##_input.dev_attr.attr, \ &sensor_dev_attr_fan##X##_min.dev_attr.attr, \ |
7d4a13749 hwmon: (w83781d) ... |
882 883 884 |
&sensor_dev_attr_fan##X##_div.dev_attr.attr, \ &sensor_dev_attr_fan##X##_alarm.dev_attr.attr, \ &sensor_dev_attr_fan##X##_beep.dev_attr.attr |
311ce2efb w83781d: Fix unch... |
885 |
|
348753379 hwmon/w83781d: Us... |
886 887 888 |
#define TEMP_UNIT_ATTRS(X) \ &sensor_dev_attr_temp##X##_input.dev_attr.attr, \ &sensor_dev_attr_temp##X##_max.dev_attr.attr, \ |
7d4a13749 hwmon: (w83781d) ... |
889 890 891 |
&sensor_dev_attr_temp##X##_max_hyst.dev_attr.attr, \ &sensor_dev_attr_temp##X##_alarm.dev_attr.attr, \ &sensor_dev_attr_temp##X##_beep.dev_attr.attr |
311ce2efb w83781d: Fix unch... |
892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 |
static struct attribute* w83781d_attributes[] = { IN_UNIT_ATTRS(0), IN_UNIT_ATTRS(2), IN_UNIT_ATTRS(3), IN_UNIT_ATTRS(4), IN_UNIT_ATTRS(5), IN_UNIT_ATTRS(6), FAN_UNIT_ATTRS(1), FAN_UNIT_ATTRS(2), FAN_UNIT_ATTRS(3), TEMP_UNIT_ATTRS(1), TEMP_UNIT_ATTRS(2), &dev_attr_cpu0_vid.attr, &dev_attr_vrm.attr, &dev_attr_alarms.attr, &dev_attr_beep_mask.attr, |
2fbbbf148 hwmon: (w83781d) ... |
909 |
&sensor_dev_attr_beep_enable.dev_attr.attr, |
311ce2efb w83781d: Fix unch... |
910 911 912 913 914 915 916 917 918 919 920 |
NULL }; static const struct attribute_group w83781d_group = { .attrs = w83781d_attributes, }; static struct attribute *w83781d_attributes_opt[] = { IN_UNIT_ATTRS(1), IN_UNIT_ATTRS(7), IN_UNIT_ATTRS(8), TEMP_UNIT_ATTRS(3), |
348753379 hwmon/w83781d: Us... |
921 922 923 924 |
&sensor_dev_attr_pwm1.dev_attr.attr, &sensor_dev_attr_pwm2.dev_attr.attr, &sensor_dev_attr_pwm3.dev_attr.attr, &sensor_dev_attr_pwm4.dev_attr.attr, |
311ce2efb w83781d: Fix unch... |
925 |
&dev_attr_pwm2_enable.attr, |
348753379 hwmon/w83781d: Us... |
926 927 928 |
&sensor_dev_attr_temp1_type.dev_attr.attr, &sensor_dev_attr_temp2_type.dev_attr.attr, &sensor_dev_attr_temp3_type.dev_attr.attr, |
311ce2efb w83781d: Fix unch... |
929 930 931 932 933 |
NULL }; static const struct attribute_group w83781d_group_opt = { .attrs = w83781d_attributes_opt, }; |
7666c13c6 hwmon/w83781d: No... |
934 |
/* No clean up is done on error, it's up to the caller */ |
1da177e4c Linux-2.6.12-rc2 |
935 |
static int |
7666c13c6 hwmon/w83781d: No... |
936 |
w83781d_create_files(struct device *dev, int kind, int is_isa) |
1da177e4c Linux-2.6.12-rc2 |
937 |
{ |
1da177e4c Linux-2.6.12-rc2 |
938 |
int err; |
1da177e4c Linux-2.6.12-rc2 |
939 |
|
7666c13c6 hwmon/w83781d: No... |
940 941 942 943 |
if ((err = sysfs_create_group(&dev->kobj, &w83781d_group))) return err; if (kind != w83783s) { |
348753379 hwmon/w83781d: Us... |
944 945 946 947 948 |
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, |
7d4a13749 hwmon: (w83781d) ... |
949 950 951 952 953 |
&sensor_dev_attr_in1_max.dev_attr)) || (err = device_create_file(dev, &sensor_dev_attr_in1_alarm.dev_attr)) || (err = device_create_file(dev, &sensor_dev_attr_in1_beep.dev_attr))) |
7666c13c6 hwmon/w83781d: No... |
954 955 956 |
return err; } if (kind != as99127f && kind != w83781d && kind != w83783s) { |
348753379 hwmon/w83781d: Us... |
957 958 959 960 961 962 963 |
if ((err = device_create_file(dev, &sensor_dev_attr_in7_input.dev_attr)) || (err = device_create_file(dev, &sensor_dev_attr_in7_min.dev_attr)) || (err = device_create_file(dev, &sensor_dev_attr_in7_max.dev_attr)) || (err = device_create_file(dev, |
7d4a13749 hwmon: (w83781d) ... |
964 965 966 967 |
&sensor_dev_attr_in7_alarm.dev_attr)) || (err = device_create_file(dev, &sensor_dev_attr_in7_beep.dev_attr)) || (err = device_create_file(dev, |
348753379 hwmon/w83781d: Us... |
968 969 970 971 |
&sensor_dev_attr_in8_input.dev_attr)) || (err = device_create_file(dev, &sensor_dev_attr_in8_min.dev_attr)) || (err = device_create_file(dev, |
7d4a13749 hwmon: (w83781d) ... |
972 973 974 975 976 |
&sensor_dev_attr_in8_max.dev_attr)) || (err = device_create_file(dev, &sensor_dev_attr_in8_alarm.dev_attr)) || (err = device_create_file(dev, &sensor_dev_attr_in8_beep.dev_attr))) |
7666c13c6 hwmon/w83781d: No... |
977 978 979 |
return err; } if (kind != w83783s) { |
348753379 hwmon/w83781d: Us... |
980 981 982 983 |
if ((err = device_create_file(dev, &sensor_dev_attr_temp3_input.dev_attr)) || (err = device_create_file(dev, &sensor_dev_attr_temp3_max.dev_attr)) |
7666c13c6 hwmon/w83781d: No... |
984 |
|| (err = device_create_file(dev, |
7d4a13749 hwmon: (w83781d) ... |
985 986 987 988 989 |
&sensor_dev_attr_temp3_max_hyst.dev_attr)) || (err = device_create_file(dev, &sensor_dev_attr_temp3_alarm.dev_attr)) || (err = device_create_file(dev, &sensor_dev_attr_temp3_beep.dev_attr))) |
7666c13c6 hwmon/w83781d: No... |
990 |
return err; |
7d4a13749 hwmon: (w83781d) ... |
991 |
|
7768aa769 hwmon: (w83781d) ... |
992 |
if (kind != w83781d) { |
7d4a13749 hwmon: (w83781d) ... |
993 994 995 996 997 |
err = sysfs_chmod_file(&dev->kobj, &sensor_dev_attr_temp3_alarm.dev_attr.attr, S_IRUGO | S_IWUSR); if (err) return err; |
7768aa769 hwmon: (w83781d) ... |
998 |
} |
1da177e4c Linux-2.6.12-rc2 |
999 |
} |
7666c13c6 hwmon/w83781d: No... |
1000 |
if (kind != w83781d && kind != as99127f) { |
348753379 hwmon/w83781d: Us... |
1001 1002 1003 1004 |
if ((err = device_create_file(dev, &sensor_dev_attr_pwm1.dev_attr)) || (err = device_create_file(dev, &sensor_dev_attr_pwm2.dev_attr)) |
7666c13c6 hwmon/w83781d: No... |
1005 1006 |
|| (err = device_create_file(dev, &dev_attr_pwm2_enable))) return err; |
1da177e4c Linux-2.6.12-rc2 |
1007 |
} |
7666c13c6 hwmon/w83781d: No... |
1008 |
if (kind == w83782d && !is_isa) { |
348753379 hwmon/w83781d: Us... |
1009 1010 1011 1012 |
if ((err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr)) || (err = device_create_file(dev, &sensor_dev_attr_pwm4.dev_attr))) |
7666c13c6 hwmon/w83781d: No... |
1013 1014 1015 1016 |
return err; } if (kind != as99127f && kind != w83781d) { |
348753379 hwmon/w83781d: Us... |
1017 1018 |
if ((err = device_create_file(dev, &sensor_dev_attr_temp1_type.dev_attr)) |
7666c13c6 hwmon/w83781d: No... |
1019 |
|| (err = device_create_file(dev, |
348753379 hwmon/w83781d: Us... |
1020 |
&sensor_dev_attr_temp2_type.dev_attr))) |
7666c13c6 hwmon/w83781d: No... |
1021 1022 1023 |
return err; if (kind != w83783s) { if ((err = device_create_file(dev, |
348753379 hwmon/w83781d: Us... |
1024 |
&sensor_dev_attr_temp3_type.dev_attr))) |
7666c13c6 hwmon/w83781d: No... |
1025 |
return err; |
1da177e4c Linux-2.6.12-rc2 |
1026 |
} |
7666c13c6 hwmon/w83781d: No... |
1027 |
} |
1da177e4c Linux-2.6.12-rc2 |
1028 |
|
7666c13c6 hwmon/w83781d: No... |
1029 1030 |
return 0; } |
1da177e4c Linux-2.6.12-rc2 |
1031 |
|
0217eae3a hwmon: (w83781d) ... |
1032 |
/* Return 0 if detection is successful, -ENODEV otherwise */ |
7666c13c6 hwmon/w83781d: No... |
1033 |
static int |
310ec7921 i2c: Drop the kin... |
1034 |
w83781d_detect(struct i2c_client *client, struct i2c_board_info *info) |
7666c13c6 hwmon/w83781d: No... |
1035 |
{ |
bab2bf44f hwmon: (w83781d) ... |
1036 |
int val1, val2; |
0217eae3a hwmon: (w83781d) ... |
1037 1038 1039 |
struct w83781d_data *isa = w83781d_data_if_isa(); struct i2c_adapter *adapter = client->adapter; int address = client->addr; |
bab2bf44f hwmon: (w83781d) ... |
1040 |
const char *client_name; |
7666c13c6 hwmon/w83781d: No... |
1041 |
enum vendor { winbond, asus } vendid; |
0217eae3a hwmon: (w83781d) ... |
1042 1043 |
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; |
1da177e4c Linux-2.6.12-rc2 |
1044 |
|
0217eae3a hwmon: (w83781d) ... |
1045 1046 1047 1048 1049 |
/* We block updates of the ISA device to minimize the risk of concurrent access to the same W83781D chip through different interfaces. */ if (isa) mutex_lock(&isa->update_lock); |
1da177e4c Linux-2.6.12-rc2 |
1050 |
|
bab2bf44f hwmon: (w83781d) ... |
1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 |
if (i2c_smbus_read_byte_data(client, W83781D_REG_CONFIG) & 0x80) { dev_dbg(&adapter->dev, "Detection of w83781d chip failed at step 3 "); goto err_nodev; } val1 = i2c_smbus_read_byte_data(client, W83781D_REG_BANK); val2 = i2c_smbus_read_byte_data(client, W83781D_REG_CHIPMAN); /* Check for Winbond or Asus ID if in bank 0 */ if (!(val1 & 0x07) && ((!(val1 & 0x80) && val2 != 0xa3 && val2 != 0xc3) || ( (val1 & 0x80) && val2 != 0x5c && val2 != 0x12))) { dev_dbg(&adapter->dev, "Detection of w83781d chip failed at step 4 "); goto err_nodev; } /* If Winbond SMBus, check address at 0x48. Asus doesn't support, except for as99127f rev.2 */ if ((!(val1 & 0x80) && val2 == 0xa3) || ( (val1 & 0x80) && val2 == 0x5c)) { if (i2c_smbus_read_byte_data(client, W83781D_REG_I2C_ADDR) != address) { dev_dbg(&adapter->dev, "Detection of w83781d chip failed at step 5 "); |
0217eae3a hwmon: (w83781d) ... |
1078 |
goto err_nodev; |
1da177e4c Linux-2.6.12-rc2 |
1079 |
} |
1da177e4c Linux-2.6.12-rc2 |
1080 |
} |
bab2bf44f hwmon: (w83781d) ... |
1081 |
/* Put it now into bank 0 and Vendor ID High Byte */ |
0217eae3a hwmon: (w83781d) ... |
1082 1083 1084 |
i2c_smbus_write_byte_data(client, W83781D_REG_BANK, (i2c_smbus_read_byte_data(client, W83781D_REG_BANK) & 0x78) | 0x80); |
1da177e4c Linux-2.6.12-rc2 |
1085 |
|
bab2bf44f hwmon: (w83781d) ... |
1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 |
/* Get the vendor ID */ val2 = i2c_smbus_read_byte_data(client, W83781D_REG_CHIPMAN); if (val2 == 0x5c) vendid = winbond; else if (val2 == 0x12) vendid = asus; else { dev_dbg(&adapter->dev, "w83781d chip vendor is neither Winbond nor Asus "); goto err_nodev; |
1da177e4c Linux-2.6.12-rc2 |
1097 |
} |
bab2bf44f hwmon: (w83781d) ... |
1098 1099 1100 |
/* Determine the chip type. */ val1 = i2c_smbus_read_byte_data(client, W83781D_REG_WCHIPID); if ((val1 == 0x10 || val1 == 0x11) && vendid == winbond) |
1da177e4c Linux-2.6.12-rc2 |
1101 |
client_name = "w83781d"; |
bab2bf44f hwmon: (w83781d) ... |
1102 |
else if (val1 == 0x30 && vendid == winbond) |
1da177e4c Linux-2.6.12-rc2 |
1103 |
client_name = "w83782d"; |
bab2bf44f hwmon: (w83781d) ... |
1104 |
else if (val1 == 0x40 && vendid == winbond && address == 0x2d) |
1da177e4c Linux-2.6.12-rc2 |
1105 |
client_name = "w83783s"; |
bab2bf44f hwmon: (w83781d) ... |
1106 |
else if (val1 == 0x31) |
1da177e4c Linux-2.6.12-rc2 |
1107 |
client_name = "as99127f"; |
bab2bf44f hwmon: (w83781d) ... |
1108 1109 1110 1111 1112 1113 1114 1115 |
else goto err_nodev; if (val1 <= 0x30 && w83781d_alias_detect(client, val1)) { dev_dbg(&adapter->dev, "Device at 0x%02x appears to " "be the same as ISA device ", address); goto err_nodev; |
1da177e4c Linux-2.6.12-rc2 |
1116 |
} |
bab2bf44f hwmon: (w83781d) ... |
1117 1118 |
if (isa) mutex_unlock(&isa->update_lock); |
0217eae3a hwmon: (w83781d) ... |
1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 |
strlcpy(info->type, client_name, I2C_NAME_SIZE); return 0; err_nodev: if (isa) mutex_unlock(&isa->update_lock); return -ENODEV; } static int w83781d_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct device *dev = &client->dev; struct w83781d_data *data; int err; data = kzalloc(sizeof(struct w83781d_data), GFP_KERNEL); if (!data) { err = -ENOMEM; goto ERROR1; } i2c_set_clientdata(client, data); mutex_init(&data->lock); mutex_init(&data->update_lock); |
1da177e4c Linux-2.6.12-rc2 |
1145 |
|
0217eae3a hwmon: (w83781d) ... |
1146 1147 |
data->type = id->driver_data; data->client = client; |
1da177e4c Linux-2.6.12-rc2 |
1148 1149 |
/* attach secondary i2c lm75-like clients */ |
0217eae3a hwmon: (w83781d) ... |
1150 1151 |
err = w83781d_detect_subclients(client); if (err) |
7666c13c6 hwmon/w83781d: No... |
1152 |
goto ERROR3; |
1da177e4c Linux-2.6.12-rc2 |
1153 1154 |
/* Initialize the chip */ |
7666c13c6 hwmon/w83781d: No... |
1155 |
w83781d_init_device(dev); |
1da177e4c Linux-2.6.12-rc2 |
1156 1157 |
/* Register sysfs hooks */ |
0217eae3a hwmon: (w83781d) ... |
1158 |
err = w83781d_create_files(dev, data->type, 0); |
7666c13c6 hwmon/w83781d: No... |
1159 |
if (err) |
943b0830c [PATCH] I2C hwmon... |
1160 |
goto ERROR4; |
943b0830c [PATCH] I2C hwmon... |
1161 |
|
1beeffe43 hwmon: Convert fr... |
1162 1163 1164 |
data->hwmon_dev = hwmon_device_register(dev); if (IS_ERR(data->hwmon_dev)) { err = PTR_ERR(data->hwmon_dev); |
311ce2efb w83781d: Fix unch... |
1165 |
goto ERROR4; |
1da177e4c Linux-2.6.12-rc2 |
1166 1167 1168 |
} return 0; |
943b0830c [PATCH] I2C hwmon... |
1169 |
ERROR4: |
311ce2efb w83781d: Fix unch... |
1170 1171 |
sysfs_remove_group(&dev->kobj, &w83781d_group); sysfs_remove_group(&dev->kobj, &w83781d_group_opt); |
0217eae3a hwmon: (w83781d) ... |
1172 1173 1174 1175 |
if (data->lm75[0]) i2c_unregister_device(data->lm75[0]); if (data->lm75[1]) i2c_unregister_device(data->lm75[1]); |
1da177e4c Linux-2.6.12-rc2 |
1176 |
ERROR3: |
1da177e4c Linux-2.6.12-rc2 |
1177 1178 |
kfree(data); ERROR1: |
1da177e4c Linux-2.6.12-rc2 |
1179 1180 1181 1182 |
return err; } static int |
0217eae3a hwmon: (w83781d) ... |
1183 |
w83781d_remove(struct i2c_client *client) |
1da177e4c Linux-2.6.12-rc2 |
1184 |
{ |
943b0830c [PATCH] I2C hwmon... |
1185 |
struct w83781d_data *data = i2c_get_clientdata(client); |
0217eae3a hwmon: (w83781d) ... |
1186 |
struct device *dev = &client->dev; |
1da177e4c Linux-2.6.12-rc2 |
1187 |
|
0217eae3a hwmon: (w83781d) ... |
1188 |
hwmon_device_unregister(data->hwmon_dev); |
1da177e4c Linux-2.6.12-rc2 |
1189 |
|
0217eae3a hwmon: (w83781d) ... |
1190 1191 |
sysfs_remove_group(&dev->kobj, &w83781d_group); sysfs_remove_group(&dev->kobj, &w83781d_group_opt); |
1da177e4c Linux-2.6.12-rc2 |
1192 |
|
0217eae3a hwmon: (w83781d) ... |
1193 1194 1195 1196 |
if (data->lm75[0]) i2c_unregister_device(data->lm75[0]); if (data->lm75[1]) i2c_unregister_device(data->lm75[1]); |
943b0830c [PATCH] I2C hwmon... |
1197 |
|
0217eae3a hwmon: (w83781d) ... |
1198 |
kfree(data); |
1da177e4c Linux-2.6.12-rc2 |
1199 1200 1201 |
return 0; } |
1da177e4c Linux-2.6.12-rc2 |
1202 |
static int |
443850ce5 hwmon: (w83781d) ... |
1203 |
w83781d_read_value_i2c(struct w83781d_data *data, u16 reg) |
1da177e4c Linux-2.6.12-rc2 |
1204 |
{ |
0217eae3a hwmon: (w83781d) ... |
1205 |
struct i2c_client *client = data->client; |
443850ce5 hwmon: (w83781d) ... |
1206 |
int res, bank; |
1da177e4c Linux-2.6.12-rc2 |
1207 |
struct i2c_client *cl; |
443850ce5 hwmon: (w83781d) ... |
1208 1209 1210 1211 1212 1213 1214 |
bank = (reg >> 8) & 0x0f; if (bank > 2) /* switch banks */ i2c_smbus_write_byte_data(client, W83781D_REG_BANK, bank); if (bank == 0 || bank > 2) { res = i2c_smbus_read_byte_data(client, reg & 0xff); |
1da177e4c Linux-2.6.12-rc2 |
1215 |
} else { |
443850ce5 hwmon: (w83781d) ... |
1216 1217 1218 1219 1220 |
/* switch to subclient */ cl = data->lm75[bank - 1]; /* convert from ISA to LM75 I2C addresses */ switch (reg & 0xff) { case 0x50: /* TEMP */ |
90f4102ce hwmon: Use i2c_sm... |
1221 |
res = i2c_smbus_read_word_swapped(cl, 0); |
443850ce5 hwmon: (w83781d) ... |
1222 1223 1224 1225 1226 |
break; case 0x52: /* CONFIG */ res = i2c_smbus_read_byte_data(cl, 1); break; case 0x53: /* HYST */ |
90f4102ce hwmon: Use i2c_sm... |
1227 |
res = i2c_smbus_read_word_swapped(cl, 2); |
443850ce5 hwmon: (w83781d) ... |
1228 1229 1230 |
break; case 0x55: /* OVER */ default: |
90f4102ce hwmon: Use i2c_sm... |
1231 |
res = i2c_smbus_read_word_swapped(cl, 3); |
443850ce5 hwmon: (w83781d) ... |
1232 |
break; |
1da177e4c Linux-2.6.12-rc2 |
1233 |
} |
1da177e4c Linux-2.6.12-rc2 |
1234 |
} |
443850ce5 hwmon: (w83781d) ... |
1235 1236 |
if (bank > 2) i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0); |
1da177e4c Linux-2.6.12-rc2 |
1237 1238 1239 1240 |
return res; } static int |
443850ce5 hwmon: (w83781d) ... |
1241 |
w83781d_write_value_i2c(struct w83781d_data *data, u16 reg, u16 value) |
1da177e4c Linux-2.6.12-rc2 |
1242 |
{ |
0217eae3a hwmon: (w83781d) ... |
1243 |
struct i2c_client *client = data->client; |
443850ce5 hwmon: (w83781d) ... |
1244 |
int bank; |
1da177e4c Linux-2.6.12-rc2 |
1245 |
struct i2c_client *cl; |
443850ce5 hwmon: (w83781d) ... |
1246 1247 1248 1249 1250 1251 1252 1253 |
bank = (reg >> 8) & 0x0f; if (bank > 2) /* switch banks */ i2c_smbus_write_byte_data(client, W83781D_REG_BANK, bank); if (bank == 0 || bank > 2) { i2c_smbus_write_byte_data(client, reg & 0xff, value & 0xff); |
1da177e4c Linux-2.6.12-rc2 |
1254 |
} else { |
443850ce5 hwmon: (w83781d) ... |
1255 1256 1257 1258 1259 1260 1261 1262 |
/* switch to subclient */ cl = data->lm75[bank - 1]; /* convert from ISA to LM75 I2C addresses */ switch (reg & 0xff) { case 0x52: /* CONFIG */ i2c_smbus_write_byte_data(cl, 1, value & 0xff); break; case 0x53: /* HYST */ |
90f4102ce hwmon: Use i2c_sm... |
1263 |
i2c_smbus_write_word_swapped(cl, 2, value); |
443850ce5 hwmon: (w83781d) ... |
1264 1265 |
break; case 0x55: /* OVER */ |
90f4102ce hwmon: Use i2c_sm... |
1266 |
i2c_smbus_write_word_swapped(cl, 3, value); |
443850ce5 hwmon: (w83781d) ... |
1267 |
break; |
1da177e4c Linux-2.6.12-rc2 |
1268 |
} |
1da177e4c Linux-2.6.12-rc2 |
1269 |
} |
443850ce5 hwmon: (w83781d) ... |
1270 1271 |
if (bank > 2) i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0); |
1da177e4c Linux-2.6.12-rc2 |
1272 1273 |
return 0; } |
1da177e4c Linux-2.6.12-rc2 |
1274 |
static void |
7666c13c6 hwmon/w83781d: No... |
1275 |
w83781d_init_device(struct device *dev) |
1da177e4c Linux-2.6.12-rc2 |
1276 |
{ |
7666c13c6 hwmon/w83781d: No... |
1277 |
struct w83781d_data *data = dev_get_drvdata(dev); |
1da177e4c Linux-2.6.12-rc2 |
1278 1279 1280 |
int i, p; int type = data->type; u8 tmp; |
fabddcd49 [PATCH] w83781d: ... |
1281 |
if (reset && type != as99127f) { /* this resets registers we don't have |
1da177e4c Linux-2.6.12-rc2 |
1282 |
documentation for on the as99127f */ |
fabddcd49 [PATCH] w83781d: ... |
1283 1284 1285 1286 1287 1288 |
/* Resetting the chip has been the default for a long time, but it causes the BIOS initializations (fan clock dividers, thermal sensor types...) to be lost, 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. */ |
7666c13c6 hwmon/w83781d: No... |
1289 |
dev_info(dev, "If reset=1 solved a problem you were " |
fabddcd49 [PATCH] w83781d: ... |
1290 1291 |
"having, please report! "); |
1da177e4c Linux-2.6.12-rc2 |
1292 |
/* save these registers */ |
31b8dc4d5 hwmon/w83781d: Be... |
1293 1294 |
i = w83781d_read_value(data, W83781D_REG_BEEP_CONFIG); p = w83781d_read_value(data, W83781D_REG_PWMCLK12); |
1da177e4c Linux-2.6.12-rc2 |
1295 1296 |
/* Reset all except Watchdog values and last conversion values This sets fan-divs to 2, among others */ |
31b8dc4d5 hwmon/w83781d: Be... |
1297 |
w83781d_write_value(data, W83781D_REG_CONFIG, 0x80); |
1da177e4c Linux-2.6.12-rc2 |
1298 1299 |
/* Restore the registers and disable power-on abnormal beep. This saves FAN 1/2/3 input/output values set by BIOS. */ |
31b8dc4d5 hwmon/w83781d: Be... |
1300 1301 |
w83781d_write_value(data, W83781D_REG_BEEP_CONFIG, i | 0x80); w83781d_write_value(data, W83781D_REG_PWMCLK12, p); |
1da177e4c Linux-2.6.12-rc2 |
1302 1303 1304 |
/* Disable master beep-enable (reset turns it on). Individual beep_mask should be reset to off but for some reason disabling this bit helps some people not get beeped */ |
31b8dc4d5 hwmon/w83781d: Be... |
1305 |
w83781d_write_value(data, W83781D_REG_BEEP_INTS2, 0); |
1da177e4c Linux-2.6.12-rc2 |
1306 |
} |
fabddcd49 [PATCH] w83781d: ... |
1307 1308 1309 |
/* Disable power-on abnormal beep, as advised by the datasheet. Already done if reset=1. */ if (init && !reset && type != as99127f) { |
31b8dc4d5 hwmon/w83781d: Be... |
1310 1311 |
i = w83781d_read_value(data, W83781D_REG_BEEP_CONFIG); w83781d_write_value(data, W83781D_REG_BEEP_CONFIG, i | 0x80); |
fabddcd49 [PATCH] w83781d: ... |
1312 |
} |
303760b44 [PATCH] hwmon: hw... |
1313 |
data->vrm = vid_which_vrm(); |
1da177e4c Linux-2.6.12-rc2 |
1314 1315 |
if ((type != w83781d) && (type != as99127f)) { |
31b8dc4d5 hwmon/w83781d: Be... |
1316 |
tmp = w83781d_read_value(data, W83781D_REG_SCFG1); |
1da177e4c Linux-2.6.12-rc2 |
1317 1318 |
for (i = 1; i <= 3; i++) { if (!(tmp & BIT_SCFG1[i - 1])) { |
b26f93309 hwmon: Don't expo... |
1319 |
data->sens[i - 1] = 4; |
1da177e4c Linux-2.6.12-rc2 |
1320 1321 |
} else { if (w83781d_read_value |
31b8dc4d5 hwmon/w83781d: Be... |
1322 |
(data, |
1da177e4c Linux-2.6.12-rc2 |
1323 1324 1325 1326 1327 |
W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) data->sens[i - 1] = 1; else data->sens[i - 1] = 2; } |
7c7a53046 [PATCH] I2C: w837... |
1328 |
if (type == w83783s && i == 2) |
1da177e4c Linux-2.6.12-rc2 |
1329 1330 1331 1332 1333 1334 |
break; } } if (init && type != as99127f) { /* Enable temp2 */ |
31b8dc4d5 hwmon/w83781d: Be... |
1335 |
tmp = w83781d_read_value(data, W83781D_REG_TEMP2_CONFIG); |
1da177e4c Linux-2.6.12-rc2 |
1336 |
if (tmp & 0x01) { |
7666c13c6 hwmon/w83781d: No... |
1337 |
dev_warn(dev, "Enabling temp2, readings " |
1da177e4c Linux-2.6.12-rc2 |
1338 1339 |
"might not make sense "); |
31b8dc4d5 hwmon/w83781d: Be... |
1340 |
w83781d_write_value(data, W83781D_REG_TEMP2_CONFIG, |
1da177e4c Linux-2.6.12-rc2 |
1341 1342 1343 1344 |
tmp & 0xfe); } /* Enable temp3 */ |
7c7a53046 [PATCH] I2C: w837... |
1345 |
if (type != w83783s) { |
31b8dc4d5 hwmon/w83781d: Be... |
1346 |
tmp = w83781d_read_value(data, |
1da177e4c Linux-2.6.12-rc2 |
1347 1348 |
W83781D_REG_TEMP3_CONFIG); if (tmp & 0x01) { |
7666c13c6 hwmon/w83781d: No... |
1349 |
dev_warn(dev, "Enabling temp3, " |
1da177e4c Linux-2.6.12-rc2 |
1350 1351 |
"readings might not make sense "); |
31b8dc4d5 hwmon/w83781d: Be... |
1352 |
w83781d_write_value(data, |
1da177e4c Linux-2.6.12-rc2 |
1353 1354 1355 |
W83781D_REG_TEMP3_CONFIG, tmp & 0xfe); } } |
1da177e4c Linux-2.6.12-rc2 |
1356 1357 1358 |
} /* Start monitoring */ |
31b8dc4d5 hwmon/w83781d: Be... |
1359 1360 |
w83781d_write_value(data, W83781D_REG_CONFIG, (w83781d_read_value(data, |
1da177e4c Linux-2.6.12-rc2 |
1361 1362 |
W83781D_REG_CONFIG) & 0xf7) | 0x01); |
7666c13c6 hwmon/w83781d: No... |
1363 1364 |
/* A few vars need to be filled upon startup */ |
348753379 hwmon/w83781d: Us... |
1365 1366 |
for (i = 0; i < 3; i++) { data->fan_min[i] = w83781d_read_value(data, |
7666c13c6 hwmon/w83781d: No... |
1367 1368 |
W83781D_REG_FAN_MIN(i)); } |
7666c13c6 hwmon/w83781d: No... |
1369 1370 |
mutex_init(&data->update_lock); |
1da177e4c Linux-2.6.12-rc2 |
1371 1372 1373 1374 |
} static struct w83781d_data *w83781d_update_device(struct device *dev) { |
7666c13c6 hwmon/w83781d: No... |
1375 |
struct w83781d_data *data = dev_get_drvdata(dev); |
0217eae3a hwmon: (w83781d) ... |
1376 |
struct i2c_client *client = data->client; |
1da177e4c Linux-2.6.12-rc2 |
1377 |
int i; |
9a61bf630 [PATCH] hwmon: Se... |
1378 |
mutex_lock(&data->update_lock); |
1da177e4c Linux-2.6.12-rc2 |
1379 1380 1381 1382 1383 1384 1385 |
if (time_after(jiffies, data->last_updated + HZ + HZ / 2) || !data->valid) { dev_dbg(dev, "Starting device update "); for (i = 0; i <= 8; i++) { |
7c7a53046 [PATCH] I2C: w837... |
1386 |
if (data->type == w83783s && i == 1) |
1da177e4c Linux-2.6.12-rc2 |
1387 1388 |
continue; /* 783S has no in1 */ data->in[i] = |
31b8dc4d5 hwmon/w83781d: Be... |
1389 |
w83781d_read_value(data, W83781D_REG_IN(i)); |
1da177e4c Linux-2.6.12-rc2 |
1390 |
data->in_min[i] = |
31b8dc4d5 hwmon/w83781d: Be... |
1391 |
w83781d_read_value(data, W83781D_REG_IN_MIN(i)); |
1da177e4c Linux-2.6.12-rc2 |
1392 |
data->in_max[i] = |
31b8dc4d5 hwmon/w83781d: Be... |
1393 |
w83781d_read_value(data, W83781D_REG_IN_MAX(i)); |
05663368d hwmon: (w83781d) ... |
1394 |
if ((data->type != w83782d) && (i == 6)) |
1da177e4c Linux-2.6.12-rc2 |
1395 1396 |
break; } |
348753379 hwmon/w83781d: Us... |
1397 1398 |
for (i = 0; i < 3; i++) { data->fan[i] = |
31b8dc4d5 hwmon/w83781d: Be... |
1399 |
w83781d_read_value(data, W83781D_REG_FAN(i)); |
348753379 hwmon/w83781d: Us... |
1400 |
data->fan_min[i] = |
31b8dc4d5 hwmon/w83781d: Be... |
1401 |
w83781d_read_value(data, W83781D_REG_FAN_MIN(i)); |
1da177e4c Linux-2.6.12-rc2 |
1402 1403 |
} if (data->type != w83781d && data->type != as99127f) { |
348753379 hwmon/w83781d: Us... |
1404 1405 |
for (i = 0; i < 4; i++) { data->pwm[i] = |
31b8dc4d5 hwmon/w83781d: Be... |
1406 |
w83781d_read_value(data, |
348753379 hwmon/w83781d: Us... |
1407 |
W83781D_REG_PWM[i]); |
848ddf116 hwmon: (w83781d) ... |
1408 1409 |
/* Only W83782D on SMBus has PWM3 and PWM4 */ if ((data->type != w83782d || !client) |
348753379 hwmon/w83781d: Us... |
1410 |
&& i == 1) |
1da177e4c Linux-2.6.12-rc2 |
1411 1412 1413 |
break; } /* Only PWM2 can be disabled */ |
348753379 hwmon/w83781d: Us... |
1414 |
data->pwm2_enable = (w83781d_read_value(data, |
1da177e4c Linux-2.6.12-rc2 |
1415 1416 |
W83781D_REG_PWMCLK12) & 0x08) >> 3; } |
31b8dc4d5 hwmon/w83781d: Be... |
1417 |
data->temp = w83781d_read_value(data, W83781D_REG_TEMP(1)); |
1da177e4c Linux-2.6.12-rc2 |
1418 |
data->temp_max = |
31b8dc4d5 hwmon/w83781d: Be... |
1419 |
w83781d_read_value(data, W83781D_REG_TEMP_OVER(1)); |
1da177e4c Linux-2.6.12-rc2 |
1420 |
data->temp_max_hyst = |
31b8dc4d5 hwmon/w83781d: Be... |
1421 |
w83781d_read_value(data, W83781D_REG_TEMP_HYST(1)); |
1da177e4c Linux-2.6.12-rc2 |
1422 |
data->temp_add[0] = |
31b8dc4d5 hwmon/w83781d: Be... |
1423 |
w83781d_read_value(data, W83781D_REG_TEMP(2)); |
1da177e4c Linux-2.6.12-rc2 |
1424 |
data->temp_max_add[0] = |
31b8dc4d5 hwmon/w83781d: Be... |
1425 |
w83781d_read_value(data, W83781D_REG_TEMP_OVER(2)); |
1da177e4c Linux-2.6.12-rc2 |
1426 |
data->temp_max_hyst_add[0] = |
31b8dc4d5 hwmon/w83781d: Be... |
1427 |
w83781d_read_value(data, W83781D_REG_TEMP_HYST(2)); |
7c7a53046 [PATCH] I2C: w837... |
1428 |
if (data->type != w83783s) { |
1da177e4c Linux-2.6.12-rc2 |
1429 |
data->temp_add[1] = |
31b8dc4d5 hwmon/w83781d: Be... |
1430 |
w83781d_read_value(data, W83781D_REG_TEMP(3)); |
1da177e4c Linux-2.6.12-rc2 |
1431 |
data->temp_max_add[1] = |
31b8dc4d5 hwmon/w83781d: Be... |
1432 |
w83781d_read_value(data, |
1da177e4c Linux-2.6.12-rc2 |
1433 1434 |
W83781D_REG_TEMP_OVER(3)); data->temp_max_hyst_add[1] = |
31b8dc4d5 hwmon/w83781d: Be... |
1435 |
w83781d_read_value(data, |
1da177e4c Linux-2.6.12-rc2 |
1436 1437 |
W83781D_REG_TEMP_HYST(3)); } |
31b8dc4d5 hwmon/w83781d: Be... |
1438 |
i = w83781d_read_value(data, W83781D_REG_VID_FANDIV); |
7c7a53046 [PATCH] I2C: w837... |
1439 |
data->vid = i & 0x0f; |
31b8dc4d5 hwmon/w83781d: Be... |
1440 |
data->vid |= (w83781d_read_value(data, |
7c7a53046 [PATCH] I2C: w837... |
1441 |
W83781D_REG_CHIPID) & 0x01) << 4; |
1da177e4c Linux-2.6.12-rc2 |
1442 1443 |
data->fan_div[0] = (i >> 4) & 0x03; data->fan_div[1] = (i >> 6) & 0x03; |
31b8dc4d5 hwmon/w83781d: Be... |
1444 |
data->fan_div[2] = (w83781d_read_value(data, |
7c7a53046 [PATCH] I2C: w837... |
1445 |
W83781D_REG_PIN) >> 6) & 0x03; |
1da177e4c Linux-2.6.12-rc2 |
1446 |
if ((data->type != w83781d) && (data->type != as99127f)) { |
31b8dc4d5 hwmon/w83781d: Be... |
1447 |
i = w83781d_read_value(data, W83781D_REG_VBAT); |
1da177e4c Linux-2.6.12-rc2 |
1448 1449 |
data->fan_div[0] |= (i >> 3) & 0x04; data->fan_div[1] |= (i >> 4) & 0x04; |
7c7a53046 [PATCH] I2C: w837... |
1450 |
data->fan_div[2] |= (i >> 5) & 0x04; |
1da177e4c Linux-2.6.12-rc2 |
1451 |
} |
05663368d hwmon: (w83781d) ... |
1452 |
if (data->type == w83782d) { |
31b8dc4d5 hwmon/w83781d: Be... |
1453 |
data->alarms = w83781d_read_value(data, |
c7f5d7edd [PATCH] w83781d: ... |
1454 |
W83782D_REG_ALARM1) |
31b8dc4d5 hwmon/w83781d: Be... |
1455 |
| (w83781d_read_value(data, |
c7f5d7edd [PATCH] w83781d: ... |
1456 |
W83782D_REG_ALARM2) << 8) |
31b8dc4d5 hwmon/w83781d: Be... |
1457 |
| (w83781d_read_value(data, |
c7f5d7edd [PATCH] w83781d: ... |
1458 1459 |
W83782D_REG_ALARM3) << 16); } else if (data->type == w83783s) { |
31b8dc4d5 hwmon/w83781d: Be... |
1460 |
data->alarms = w83781d_read_value(data, |
c7f5d7edd [PATCH] w83781d: ... |
1461 |
W83782D_REG_ALARM1) |
31b8dc4d5 hwmon/w83781d: Be... |
1462 |
| (w83781d_read_value(data, |
c7f5d7edd [PATCH] w83781d: ... |
1463 1464 1465 1466 |
W83782D_REG_ALARM2) << 8); } else { /* No real-time status registers, fall back to interrupt status registers */ |
31b8dc4d5 hwmon/w83781d: Be... |
1467 |
data->alarms = w83781d_read_value(data, |
c7f5d7edd [PATCH] w83781d: ... |
1468 |
W83781D_REG_ALARM1) |
31b8dc4d5 hwmon/w83781d: Be... |
1469 |
| (w83781d_read_value(data, |
c7f5d7edd [PATCH] w83781d: ... |
1470 |
W83781D_REG_ALARM2) << 8); |
1da177e4c Linux-2.6.12-rc2 |
1471 |
} |
31b8dc4d5 hwmon/w83781d: Be... |
1472 |
i = w83781d_read_value(data, W83781D_REG_BEEP_INTS2); |
2fbbbf148 hwmon: (w83781d) ... |
1473 |
data->beep_mask = (i << 8) + |
31b8dc4d5 hwmon/w83781d: Be... |
1474 |
w83781d_read_value(data, W83781D_REG_BEEP_INTS1); |
1da177e4c Linux-2.6.12-rc2 |
1475 1476 |
if ((data->type != w83781d) && (data->type != as99127f)) { data->beep_mask |= |
31b8dc4d5 hwmon/w83781d: Be... |
1477 |
w83781d_read_value(data, |
1da177e4c Linux-2.6.12-rc2 |
1478 1479 1480 1481 1482 |
W83781D_REG_BEEP_INTS3) << 16; } data->last_updated = jiffies; data->valid = 1; } |
9a61bf630 [PATCH] hwmon: Se... |
1483 |
mutex_unlock(&data->update_lock); |
1da177e4c Linux-2.6.12-rc2 |
1484 1485 1486 |
return data; } |
0217eae3a hwmon: (w83781d) ... |
1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 |
static const struct i2c_device_id w83781d_ids[] = { { "w83781d", w83781d, }, { "w83782d", w83782d, }, { "w83783s", w83783s, }, { "as99127f", as99127f }, { /* LIST END */ } }; MODULE_DEVICE_TABLE(i2c, w83781d_ids); static struct i2c_driver w83781d_driver = { .class = I2C_CLASS_HWMON, .driver = { .name = "w83781d", }, .probe = w83781d_probe, .remove = w83781d_remove, .id_table = w83781d_ids, .detect = w83781d_detect, |
c3813d6af i2c: Get rid of s... |
1505 |
.address_list = normal_i2c, |
0217eae3a hwmon: (w83781d) ... |
1506 1507 1508 1509 1510 |
}; /* * ISA related code */ |
443850ce5 hwmon: (w83781d) ... |
1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 |
#ifdef CONFIG_ISA /* ISA device, if found */ static struct platform_device *pdev; static unsigned short isa_address = 0x290; /* I2C devices get this name attribute automatically, but for ISA devices we must create it by ourselves. */ static ssize_t show_name(struct device *dev, struct device_attribute *devattr, char *buf) { struct w83781d_data *data = dev_get_drvdata(dev); |
360782dde hwmon: (w83781d) ... |
1524 1525 |
return sprintf(buf, "%s ", data->name); |
443850ce5 hwmon: (w83781d) ... |
1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 |
} static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); static struct w83781d_data *w83781d_data_if_isa(void) { return pdev ? platform_get_drvdata(pdev) : NULL; } /* Returns 1 if the I2C chip appears to be an alias of the ISA chip */ static int w83781d_alias_detect(struct i2c_client *client, u8 chipid) { |
0217eae3a hwmon: (w83781d) ... |
1537 |
struct w83781d_data *isa; |
443850ce5 hwmon: (w83781d) ... |
1538 1539 1540 1541 |
int i; if (!pdev) /* No ISA chip */ return 0; |
443850ce5 hwmon: (w83781d) ... |
1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 |
isa = platform_get_drvdata(pdev); if (w83781d_read_value(isa, W83781D_REG_I2C_ADDR) != client->addr) return 0; /* Address doesn't match */ if (w83781d_read_value(isa, W83781D_REG_WCHIPID) != chipid) return 0; /* Chip type doesn't match */ /* We compare all the limit registers, the config register and the * interrupt mask registers */ for (i = 0x2b; i <= 0x3d; i++) { |
0217eae3a hwmon: (w83781d) ... |
1552 1553 |
if (w83781d_read_value(isa, i) != i2c_smbus_read_byte_data(client, i)) |
443850ce5 hwmon: (w83781d) ... |
1554 1555 1556 |
return 0; } if (w83781d_read_value(isa, W83781D_REG_CONFIG) != |
0217eae3a hwmon: (w83781d) ... |
1557 |
i2c_smbus_read_byte_data(client, W83781D_REG_CONFIG)) |
443850ce5 hwmon: (w83781d) ... |
1558 1559 |
return 0; for (i = 0x43; i <= 0x46; i++) { |
0217eae3a hwmon: (w83781d) ... |
1560 1561 |
if (w83781d_read_value(isa, i) != i2c_smbus_read_byte_data(client, i)) |
443850ce5 hwmon: (w83781d) ... |
1562 1563 1564 1565 1566 1567 1568 1569 1570 |
return 0; } return 1; } static int w83781d_read_value_isa(struct w83781d_data *data, u16 reg) { |
443850ce5 hwmon: (w83781d) ... |
1571 1572 1573 1574 1575 1576 1577 1578 1579 |
int word_sized, res; 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, |
360782dde hwmon: (w83781d) ... |
1580 |
data->isa_addr + W83781D_ADDR_REG_OFFSET); |
443850ce5 hwmon: (w83781d) ... |
1581 |
outb_p(reg >> 8, |
360782dde hwmon: (w83781d) ... |
1582 |
data->isa_addr + W83781D_DATA_REG_OFFSET); |
443850ce5 hwmon: (w83781d) ... |
1583 |
} |
360782dde hwmon: (w83781d) ... |
1584 1585 |
outb_p(reg & 0xff, data->isa_addr + W83781D_ADDR_REG_OFFSET); res = inb_p(data->isa_addr + W83781D_DATA_REG_OFFSET); |
443850ce5 hwmon: (w83781d) ... |
1586 1587 |
if (word_sized) { outb_p((reg & 0xff) + 1, |
360782dde hwmon: (w83781d) ... |
1588 |
data->isa_addr + W83781D_ADDR_REG_OFFSET); |
443850ce5 hwmon: (w83781d) ... |
1589 |
res = |
360782dde hwmon: (w83781d) ... |
1590 |
(res << 8) + inb_p(data->isa_addr + |
443850ce5 hwmon: (w83781d) ... |
1591 1592 1593 1594 |
W83781D_DATA_REG_OFFSET); } if (reg & 0xff00) { outb_p(W83781D_REG_BANK, |
360782dde hwmon: (w83781d) ... |
1595 1596 |
data->isa_addr + W83781D_ADDR_REG_OFFSET); outb_p(0, data->isa_addr + W83781D_DATA_REG_OFFSET); |
443850ce5 hwmon: (w83781d) ... |
1597 1598 1599 1600 1601 1602 1603 |
} return res; } static void w83781d_write_value_isa(struct w83781d_data *data, u16 reg, u16 value) { |
443850ce5 hwmon: (w83781d) ... |
1604 1605 1606 1607 1608 1609 1610 1611 |
int word_sized; word_sized = (((reg & 0xff00) == 0x100) || ((reg & 0xff00) == 0x200)) && (((reg & 0x00ff) == 0x53) || ((reg & 0x00ff) == 0x55)); if (reg & 0xff00) { outb_p(W83781D_REG_BANK, |
360782dde hwmon: (w83781d) ... |
1612 |
data->isa_addr + W83781D_ADDR_REG_OFFSET); |
443850ce5 hwmon: (w83781d) ... |
1613 |
outb_p(reg >> 8, |
360782dde hwmon: (w83781d) ... |
1614 |
data->isa_addr + W83781D_DATA_REG_OFFSET); |
443850ce5 hwmon: (w83781d) ... |
1615 |
} |
360782dde hwmon: (w83781d) ... |
1616 |
outb_p(reg & 0xff, data->isa_addr + W83781D_ADDR_REG_OFFSET); |
443850ce5 hwmon: (w83781d) ... |
1617 1618 |
if (word_sized) { outb_p(value >> 8, |
360782dde hwmon: (w83781d) ... |
1619 |
data->isa_addr + W83781D_DATA_REG_OFFSET); |
443850ce5 hwmon: (w83781d) ... |
1620 |
outb_p((reg & 0xff) + 1, |
360782dde hwmon: (w83781d) ... |
1621 |
data->isa_addr + W83781D_ADDR_REG_OFFSET); |
443850ce5 hwmon: (w83781d) ... |
1622 |
} |
360782dde hwmon: (w83781d) ... |
1623 |
outb_p(value & 0xff, data->isa_addr + W83781D_DATA_REG_OFFSET); |
443850ce5 hwmon: (w83781d) ... |
1624 1625 |
if (reg & 0xff00) { outb_p(W83781D_REG_BANK, |
360782dde hwmon: (w83781d) ... |
1626 1627 |
data->isa_addr + W83781D_ADDR_REG_OFFSET); outb_p(0, data->isa_addr + W83781D_DATA_REG_OFFSET); |
443850ce5 hwmon: (w83781d) ... |
1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 |
} } /* The SMBus locks itself, usually, but nothing may access the Winbond between bank switches. 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 w83781d_read_value(struct w83781d_data *data, u16 reg) { |
0217eae3a hwmon: (w83781d) ... |
1640 |
struct i2c_client *client = data->client; |
443850ce5 hwmon: (w83781d) ... |
1641 1642 1643 |
int res; mutex_lock(&data->lock); |
0217eae3a hwmon: (w83781d) ... |
1644 |
if (client) |
443850ce5 hwmon: (w83781d) ... |
1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 |
res = w83781d_read_value_i2c(data, reg); else res = w83781d_read_value_isa(data, reg); mutex_unlock(&data->lock); return res; } static int w83781d_write_value(struct w83781d_data *data, u16 reg, u16 value) { |
0217eae3a hwmon: (w83781d) ... |
1655 |
struct i2c_client *client = data->client; |
443850ce5 hwmon: (w83781d) ... |
1656 1657 |
mutex_lock(&data->lock); |
0217eae3a hwmon: (w83781d) ... |
1658 |
if (client) |
443850ce5 hwmon: (w83781d) ... |
1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 |
w83781d_write_value_i2c(data, reg, value); else w83781d_write_value_isa(data, reg, value); mutex_unlock(&data->lock); return 0; } static int __devinit w83781d_isa_probe(struct platform_device *pdev) { int err, reg; struct w83781d_data *data; struct resource *res; |
443850ce5 hwmon: (w83781d) ... |
1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 |
/* Reserve the ISA region */ res = platform_get_resource(pdev, IORESOURCE_IO, 0); if (!request_region(res->start + W83781D_ADDR_REG_OFFSET, 2, "w83781d")) { err = -EBUSY; goto exit; } data = kzalloc(sizeof(struct w83781d_data), GFP_KERNEL); if (!data) { err = -ENOMEM; goto exit_release_region; } mutex_init(&data->lock); |
360782dde hwmon: (w83781d) ... |
1687 |
data->isa_addr = res->start; |
443850ce5 hwmon: (w83781d) ... |
1688 1689 1690 1691 1692 1693 |
platform_set_drvdata(pdev, data); reg = w83781d_read_value(data, W83781D_REG_WCHIPID); switch (reg) { case 0x30: data->type = w83782d; |
360782dde hwmon: (w83781d) ... |
1694 |
data->name = "w83782d"; |
443850ce5 hwmon: (w83781d) ... |
1695 1696 1697 |
break; default: data->type = w83781d; |
360782dde hwmon: (w83781d) ... |
1698 |
data->name = "w83781d"; |
443850ce5 hwmon: (w83781d) ... |
1699 |
} |
443850ce5 hwmon: (w83781d) ... |
1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 |
/* Initialize the W83781D chip */ w83781d_init_device(&pdev->dev); /* Register sysfs hooks */ err = w83781d_create_files(&pdev->dev, data->type, 1); if (err) goto exit_remove_files; err = device_create_file(&pdev->dev, &dev_attr_name); if (err) goto exit_remove_files; data->hwmon_dev = hwmon_device_register(&pdev->dev); if (IS_ERR(data->hwmon_dev)) { err = PTR_ERR(data->hwmon_dev); goto exit_remove_files; } return 0; exit_remove_files: sysfs_remove_group(&pdev->dev.kobj, &w83781d_group); sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt); device_remove_file(&pdev->dev, &dev_attr_name); kfree(data); exit_release_region: release_region(res->start + W83781D_ADDR_REG_OFFSET, 2); exit: return err; } static int __devexit w83781d_isa_remove(struct platform_device *pdev) { struct w83781d_data *data = platform_get_drvdata(pdev); hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&pdev->dev.kobj, &w83781d_group); sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt); device_remove_file(&pdev->dev, &dev_attr_name); |
360782dde hwmon: (w83781d) ... |
1741 |
release_region(data->isa_addr + W83781D_ADDR_REG_OFFSET, 2); |
443850ce5 hwmon: (w83781d) ... |
1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 |
kfree(data); return 0; } static struct platform_driver w83781d_isa_driver = { .driver = { .owner = THIS_MODULE, .name = "w83781d", }, .probe = w83781d_isa_probe, .remove = __devexit_p(w83781d_isa_remove), }; |
7666c13c6 hwmon/w83781d: No... |
1755 1756 1757 1758 1759 |
/* return 1 if a supported chip is found, 0 otherwise */ static int __init w83781d_isa_found(unsigned short address) { int val, save, found = 0; |
b0bcdd3cd hwmon: (w83781d) ... |
1760 1761 1762 1763 1764 1765 1766 |
int port; /* Some boards declare base+0 to base+7 as a PNP device, some base+4 * to base+7 and some base+5 to base+6. So we better request each port * individually for the probing phase. */ for (port = address; port < address + W83781D_EXTENT; port++) { if (!request_region(port, 1, "w83781d")) { |
1ca28218e hwmon: (w83781d) ... |
1767 1768 |
pr_debug("Failed to request port 0x%x ", port); |
b0bcdd3cd hwmon: (w83781d) ... |
1769 1770 |
goto release; } |
2961cb22e hwmon: (w83781d) ... |
1771 |
} |
7666c13c6 hwmon/w83781d: No... |
1772 1773 1774 1775 1776 1777 1778 1779 |
#define REALLY_SLOW_IO /* We need the timeouts for at least some W83781D-like chips. But only if we read 'undefined' registers. */ val = inb_p(address + 1); if (inb_p(address + 2) != val || inb_p(address + 3) != val || inb_p(address + 7) != val) { |
1ca28218e hwmon: (w83781d) ... |
1780 1781 |
pr_debug("Detection failed at step %d ", 1); |
7666c13c6 hwmon/w83781d: No... |
1782 1783 1784 1785 1786 1787 1788 1789 |
goto release; } #undef REALLY_SLOW_IO /* We should be able to change the 7 LSB of the address port. The MSB (busy flag) should be clear initially, set after the write. */ save = inb_p(address + W83781D_ADDR_REG_OFFSET); if (save & 0x80) { |
1ca28218e hwmon: (w83781d) ... |
1790 1791 |
pr_debug("Detection failed at step %d ", 2); |
7666c13c6 hwmon/w83781d: No... |
1792 1793 1794 1795 1796 1797 |
goto release; } val = ~save & 0x7f; outb_p(val, address + W83781D_ADDR_REG_OFFSET); if (inb_p(address + W83781D_ADDR_REG_OFFSET) != (val | 0x80)) { outb_p(save, address + W83781D_ADDR_REG_OFFSET); |
1ca28218e hwmon: (w83781d) ... |
1798 1799 |
pr_debug("Detection failed at step %d ", 3); |
7666c13c6 hwmon/w83781d: No... |
1800 1801 1802 1803 1804 1805 1806 |
goto release; } /* We found a device, now see if it could be a W83781D */ outb_p(W83781D_REG_CONFIG, address + W83781D_ADDR_REG_OFFSET); val = inb_p(address + W83781D_DATA_REG_OFFSET); if (val & 0x80) { |
1ca28218e hwmon: (w83781d) ... |
1807 1808 |
pr_debug("Detection failed at step %d ", 4); |
7666c13c6 hwmon/w83781d: No... |
1809 1810 1811 1812 1813 1814 1815 1816 |
goto release; } outb_p(W83781D_REG_BANK, address + W83781D_ADDR_REG_OFFSET); save = inb_p(address + W83781D_DATA_REG_OFFSET); outb_p(W83781D_REG_CHIPMAN, address + W83781D_ADDR_REG_OFFSET); val = inb_p(address + W83781D_DATA_REG_OFFSET); if ((!(save & 0x80) && (val != 0xa3)) || ((save & 0x80) && (val != 0x5c))) { |
1ca28218e hwmon: (w83781d) ... |
1817 1818 |
pr_debug("Detection failed at step %d ", 5); |
7666c13c6 hwmon/w83781d: No... |
1819 1820 1821 1822 1823 |
goto release; } outb_p(W83781D_REG_I2C_ADDR, address + W83781D_ADDR_REG_OFFSET); val = inb_p(address + W83781D_DATA_REG_OFFSET); if (val < 0x03 || val > 0x77) { /* Not a valid I2C address */ |
1ca28218e hwmon: (w83781d) ... |
1824 1825 |
pr_debug("Detection failed at step %d ", 6); |
7666c13c6 hwmon/w83781d: No... |
1826 1827 1828 1829 1830 |
goto release; } /* The busy flag should be clear again */ if (inb_p(address + W83781D_ADDR_REG_OFFSET) & 0x80) { |
1ca28218e hwmon: (w83781d) ... |
1831 1832 |
pr_debug("Detection failed at step %d ", 7); |
7666c13c6 hwmon/w83781d: No... |
1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 |
goto release; } /* Determine the chip type */ outb_p(W83781D_REG_BANK, address + W83781D_ADDR_REG_OFFSET); save = inb_p(address + W83781D_DATA_REG_OFFSET); outb_p(save & 0xf8, address + W83781D_DATA_REG_OFFSET); outb_p(W83781D_REG_WCHIPID, address + W83781D_ADDR_REG_OFFSET); val = inb_p(address + W83781D_DATA_REG_OFFSET); if ((val & 0xfe) == 0x10 /* W83781D */ |
05663368d hwmon: (w83781d) ... |
1843 |
|| val == 0x30) /* W83782D */ |
7666c13c6 hwmon/w83781d: No... |
1844 1845 1846 |
found = 1; if (found) |
1ca28218e hwmon: (w83781d) ... |
1847 1848 |
pr_info("Found a %s chip at %#x ", |
7666c13c6 hwmon/w83781d: No... |
1849 1850 1851 |
val == 0x30 ? "W83782D" : "W83781D", (int)address); release: |
b0bcdd3cd hwmon: (w83781d) ... |
1852 1853 |
for (port--; port >= address; port--) release_region(port, 1); |
7666c13c6 hwmon/w83781d: No... |
1854 1855 1856 1857 1858 1859 1860 1861 |
return found; } static int __init w83781d_isa_device_add(unsigned short address) { struct resource res = { .start = address, |
15bde2f1a hwmon: End of I/O... |
1862 |
.end = address + W83781D_EXTENT - 1, |
7666c13c6 hwmon/w83781d: No... |
1863 1864 1865 1866 1867 1868 1869 1870 |
.name = "w83781d", .flags = IORESOURCE_IO, }; int err; pdev = platform_device_alloc("w83781d", address); if (!pdev) { err = -ENOMEM; |
1ca28218e hwmon: (w83781d) ... |
1871 1872 |
pr_err("Device allocation failed "); |
7666c13c6 hwmon/w83781d: No... |
1873 1874 1875 1876 1877 |
goto exit; } err = platform_device_add_resources(pdev, &res, 1); if (err) { |
1ca28218e hwmon: (w83781d) ... |
1878 1879 |
pr_err("Device resource addition failed (%d) ", err); |
7666c13c6 hwmon/w83781d: No... |
1880 1881 1882 1883 1884 |
goto exit_device_put; } err = platform_device_add(pdev); if (err) { |
1ca28218e hwmon: (w83781d) ... |
1885 1886 |
pr_err("Device addition failed (%d) ", err); |
7666c13c6 hwmon/w83781d: No... |
1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 |
goto exit_device_put; } return 0; exit_device_put: platform_device_put(pdev); exit: pdev = NULL; return err; } |
1da177e4c Linux-2.6.12-rc2 |
1898 |
static int __init |
443850ce5 hwmon: (w83781d) ... |
1899 |
w83781d_isa_register(void) |
1da177e4c Linux-2.6.12-rc2 |
1900 |
{ |
fde095090 [PATCH] I2C: Sepa... |
1901 |
int res; |
7666c13c6 hwmon/w83781d: No... |
1902 1903 1904 |
if (w83781d_isa_found(isa_address)) { res = platform_driver_register(&w83781d_isa_driver); if (res) |
c6566206c hwmon: (w83781d) ... |
1905 |
goto exit; |
fde095090 [PATCH] I2C: Sepa... |
1906 |
|
7666c13c6 hwmon/w83781d: No... |
1907 1908 1909 1910 1911 |
/* Sets global pdev as a side effect */ res = w83781d_isa_device_add(isa_address); if (res) goto exit_unreg_isa_driver; } |
fde095090 [PATCH] I2C: Sepa... |
1912 1913 |
return 0; |
7666c13c6 hwmon/w83781d: No... |
1914 |
|
443850ce5 hwmon: (w83781d) ... |
1915 |
exit_unreg_isa_driver: |
7666c13c6 hwmon/w83781d: No... |
1916 |
platform_driver_unregister(&w83781d_isa_driver); |
443850ce5 hwmon: (w83781d) ... |
1917 |
exit: |
7666c13c6 hwmon/w83781d: No... |
1918 |
return res; |
1da177e4c Linux-2.6.12-rc2 |
1919 |
} |
dd56b6389 hwmon: (w83781d) ... |
1920 |
static void |
443850ce5 hwmon: (w83781d) ... |
1921 |
w83781d_isa_unregister(void) |
1da177e4c Linux-2.6.12-rc2 |
1922 |
{ |
7666c13c6 hwmon/w83781d: No... |
1923 1924 1925 1926 |
if (pdev) { platform_device_unregister(pdev); platform_driver_unregister(&w83781d_isa_driver); } |
443850ce5 hwmon: (w83781d) ... |
1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 |
} #else /* !CONFIG_ISA */ static struct w83781d_data *w83781d_data_if_isa(void) { return NULL; } static int w83781d_alias_detect(struct i2c_client *client, u8 chipid) { return 0; } static int w83781d_read_value(struct w83781d_data *data, u16 reg) { int res; mutex_lock(&data->lock); res = w83781d_read_value_i2c(data, reg); mutex_unlock(&data->lock); return res; } static int w83781d_write_value(struct w83781d_data *data, u16 reg, u16 value) { mutex_lock(&data->lock); w83781d_write_value_i2c(data, reg, value); mutex_unlock(&data->lock); return 0; } static int __init w83781d_isa_register(void) { return 0; } |
dd56b6389 hwmon: (w83781d) ... |
1968 |
static void |
443850ce5 hwmon: (w83781d) ... |
1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 |
w83781d_isa_unregister(void) { } #endif /* CONFIG_ISA */ static int __init sensors_w83781d_init(void) { int res; /* We register the ISA device first, so that we can skip the * registration of an I2C interface to the same device. */ res = w83781d_isa_register(); if (res) goto exit; res = i2c_add_driver(&w83781d_driver); if (res) goto exit_unreg_isa; return 0; exit_unreg_isa: w83781d_isa_unregister(); exit: return res; } static void __exit sensors_w83781d_exit(void) { w83781d_isa_unregister(); |
1da177e4c Linux-2.6.12-rc2 |
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 |
i2c_del_driver(&w83781d_driver); } MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " "Philip Edelbrock <phil@netroedge.com>, " "and Mark Studebaker <mdsxyz123@yahoo.com>"); MODULE_DESCRIPTION("W83781D driver"); MODULE_LICENSE("GPL"); module_init(sensors_w83781d_init); module_exit(sensors_w83781d_exit); |