Author: waldi
Date: Tue Oct 2 11:31:24 2007
New Revision: 9595
Log:
Add support for w83793 sensor chips.
* debian/arch/amd64/config, debian/arch/i386/config: Enable SENSORS_W83793.
* debian/changelog: Update.
* debian/patches/features/drivers-hwmon-w83793.patch: Add.
* debian/patches/series/16: Enable new patch.
Added:
dists/etch/linux-2.6/debian/patches/features/drivers-hwmon-w83793.patch
dists/etch/linux-2.6/debian/patches/series/16
Modified:
dists/etch/linux-2.6/debian/arch/amd64/config
dists/etch/linux-2.6/debian/arch/i386/config
dists/etch/linux-2.6/debian/changelog
Modified: dists/etch/linux-2.6/debian/arch/amd64/config
==============================================================================
--- dists/etch/linux-2.6/debian/arch/amd64/config (original)
+++ dists/etch/linux-2.6/debian/arch/amd64/config Tue Oct 2 11:31:24 2007
@@ -900,6 +900,7 @@
CONFIG_SENSORS_SMSC47M1=m
CONFIG_SENSORS_VIA686A=m
CONFIG_SENSORS_W83781D=m
+CONFIG_SENSORS_W83793=m
CONFIG_SENSORS_W83L785TS=m
CONFIG_SENSORS_W83627HF=m
CONFIG_SENSORS_DS1337=m
Modified: dists/etch/linux-2.6/debian/arch/i386/config
==============================================================================
--- dists/etch/linux-2.6/debian/arch/i386/config (original)
+++ dists/etch/linux-2.6/debian/arch/i386/config Tue Oct 2 11:31:24 2007
@@ -1093,6 +1093,7 @@
CONFIG_SENSORS_SMSC47M1=m
CONFIG_SENSORS_VIA686A=m
CONFIG_SENSORS_W83781D=m
+CONFIG_SENSORS_W83793=m
CONFIG_SENSORS_W83L785TS=m
CONFIG_SENSORS_W83627HF=m
CONFIG_SENSORS_DS1337=m
Modified: dists/etch/linux-2.6/debian/changelog
==============================================================================
--- dists/etch/linux-2.6/debian/changelog (original)
+++ dists/etch/linux-2.6/debian/changelog Tue Oct 2 11:31:24 2007
@@ -1,3 +1,9 @@
+linux-2.6 (2.6.18.dfsg.1-16) UNRELEASED; urgency=low
+
+ * Add support for w83793 sensor chips. (closes: #444395)
+
+ -- Bastian Blank <[EMAIL PROTECTED]> Tue, 02 Oct 2007 13:10:53 +0200
+
linux-2.6 (2.6.18.dfsg.1-15) stable; urgency=high
* Merge in changes from 2.6.18.dfsg.1-13etch3.
Added: dists/etch/linux-2.6/debian/patches/features/drivers-hwmon-w83793.patch
==============================================================================
--- (empty file)
+++ dists/etch/linux-2.6/debian/patches/features/drivers-hwmon-w83793.patch
Tue Oct 2 11:31:24 2007
@@ -0,0 +1,1741 @@
+diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
+index 95f3fc5..d04f900 100644
+--- a/drivers/hwmon/Makefile
++++ b/drivers/hwmon/Makefile
+@@ -9,6 +9,7 @@ obj-$(CONFIG_HWMON_VID) += hwmon-vid.o
+ obj-$(CONFIG_SENSORS_ASB100) += asb100.o
+ obj-$(CONFIG_SENSORS_W83627HF) += w83627hf.o
+ obj-$(CONFIG_SENSORS_W83792D) += w83792d.o
++obj-$(CONFIG_SENSORS_W83793) += w83793.o
+ obj-$(CONFIG_SENSORS_W83781D) += w83781d.o
+ obj-$(CONFIG_SENSORS_W83791D) += w83791d.o
+
+diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c
+new file mode 100644
+index 0000000..253ffaf
+--- /dev/null
++++ b/drivers/hwmon/w83793.c
+@@ -0,0 +1,1702 @@
++/*
++ w83793.c - Linux kernel driver for hardware monitoring
++ Copyright (C) 2006 Winbond Electronics Corp.
++ Yuan Mu
++ Rudolf Marek <[EMAIL PROTECTED]>
++
++ 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 - version 2.
++
++ 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., 51 Franklin Street, Fifth Floor, Boston, MA
++ 02110-1301 USA.
++*/
++
++/*
++ Supports following chips:
++
++ Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
++ w83793 10 12 8 6 0x7b 0x5ca3 yes no
++*/
++
++#include <linux/module.h>
++#include <linux/init.h>
++#include <linux/slab.h>
++#include <linux/i2c.h>
++#include <linux/hwmon.h>
++#include <linux/hwmon-vid.h>
++#include <linux/hwmon-sysfs.h>
++#include <linux/err.h>
++#include <linux/mutex.h>
++
++/* Addresses to scan */
++static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END
};
++
++/* Insmod parameters */
++I2C_CLIENT_INSMOD_1(w83793);
++I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: "
++ "{bus, clientaddr, subclientaddr1, subclientaddr2}");
++
++static int reset;
++module_param(reset, bool, 0);
++MODULE_PARM_DESC(reset, "Set to 1 to reset chip, not recommended");
++
++/*
++ Address 0x00, 0x0d, 0x0e, 0x0f in all three banks are reserved
++ as ID, Bank Select registers
++*/
++#define W83793_REG_BANKSEL 0x00
++#define W83793_REG_VENDORID 0x0d
++#define W83793_REG_CHIPID 0x0e
++#define W83793_REG_DEVICEID 0x0f
++
++#define W83793_REG_CONFIG 0x40
++#define W83793_REG_MFC 0x58
++#define W83793_REG_FANIN_CTRL 0x5c
++#define W83793_REG_FANIN_SEL 0x5d
++#define W83793_REG_I2C_ADDR 0x0b
++#define W83793_REG_I2C_SUBADDR 0x0c
++#define W83793_REG_VID_INA 0x05
++#define W83793_REG_VID_INB 0x06
++#define W83793_REG_VID_LATCHA 0x07
++#define W83793_REG_VID_LATCHB 0x08
++#define W83793_REG_VID_CTRL 0x59
++
++static u16 W83793_REG_TEMP_MODE[2] = { 0x5e, 0x5f };
++
++#define TEMP_READ 0
++#define TEMP_CRIT 1
++#define TEMP_CRIT_HYST 2
++#define TEMP_WARN 3
++#define TEMP_WARN_HYST 4
++/* only crit and crit_hyst affect real-time alarm status
++ current crit crit_hyst warn warn_hyst */
++static u16 W83793_REG_TEMP[][5] = {
++ {0x1c, 0x78, 0x79, 0x7a, 0x7b},
++ {0x1d, 0x7c, 0x7d, 0x7e, 0x7f},
++ {0x1e, 0x80, 0x81, 0x82, 0x83},
++ {0x1f, 0x84, 0x85, 0x86, 0x87},
++ {0x20, 0x88, 0x89, 0x8a, 0x8b},
++ {0x21, 0x8c, 0x8d, 0x8e, 0x8f},
++};
++
++#define W83793_REG_TEMP_LOW_BITS 0x22
++
++#define W83793_REG_BEEP(index) (0x53 + (index))
++#define W83793_REG_ALARM(index) (0x4b + (index))
++
++#define W83793_REG_CLR_CHASSIS 0x4a /* SMI MASK4 */
++#define W83793_REG_IRQ_CTRL 0x50
++#define W83793_REG_OVT_CTRL 0x51
++#define W83793_REG_OVT_BEEP 0x52
++
++#define IN_READ 0
++#define IN_MAX 1
++#define IN_LOW 2
++static const u16 W83793_REG_IN[][3] = {
++ /* Current, High, Low */
++ {0x10, 0x60, 0x61}, /* Vcore A */
++ {0x11, 0x62, 0x63}, /* Vcore B */
++ {0x12, 0x64, 0x65}, /* Vtt */
++ {0x14, 0x6a, 0x6b}, /* VSEN1 */
++ {0x15, 0x6c, 0x6d}, /* VSEN2 */
++ {0x16, 0x6e, 0x6f}, /* +3VSEN */
++ {0x17, 0x70, 0x71}, /* +12VSEN */
++ {0x18, 0x72, 0x73}, /* 5VDD */
++ {0x19, 0x74, 0x75}, /* 5VSB */
++ {0x1a, 0x76, 0x77}, /* VBAT */
++};
++
++/* Low Bits of Vcore A/B Vtt Read/High/Low */
++static const u16 W83793_REG_IN_LOW_BITS[] = { 0x1b, 0x68, 0x69 };
++static u8 scale_in[] = { 2, 2, 2, 16, 16, 16, 8, 24, 24, 16 };
++static u8 scale_in_add[] = { 0, 0, 0, 0, 0, 0, 0, 150, 150, 0 };
++
++#define W83793_REG_FAN(index) (0x23 + 2 * (index)) /* High byte */
++#define W83793_REG_FAN_MIN(index) (0x90 + 2 * (index)) /* High byte */
++
++#define W83793_REG_PWM_DEFAULT 0xb2
++#define W83793_REG_PWM_ENABLE 0x207
++#define W83793_REG_PWM_UPTIME 0xc3 /* Unit in 0.1 second */
++#define W83793_REG_PWM_DOWNTIME 0xc4 /* Unit in 0.1 second */
++#define W83793_REG_TEMP_CRITICAL 0xc5
++
++#define PWM_DUTY 0
++#define PWM_START 1
++#define PWM_NONSTOP 2
++#define W83793_REG_PWM(index, nr) (((nr) == 0 ? 0xb3 : \
++ (nr) == 1 ? 0x220 : 0x218) + (index))
++
++/* bit field, fan1 is bit0, fan2 is bit1 ... */
++#define W83793_REG_TEMP_FAN_MAP(index) (0x201 + (index))
++#define W83793_REG_TEMP_TOL(index) (0x208 + (index))
++#define W83793_REG_TEMP_CRUISE(index) (0x210 + (index))
++#define W83793_REG_PWM_STOP_TIME(index) (0x228 + (index))
++#define W83793_REG_SF2_TEMP(index, nr) (0x230 + ((index) << 4) + (nr))
++#define W83793_REG_SF2_PWM(index, nr) (0x238 + ((index) << 4) + (nr))
++
++static inline unsigned long FAN_FROM_REG(u16 val)
++{
++ if ((val >= 0xfff) || (val == 0))
++ return 0;
++ return (1350000UL / val);
++}
++
++static inline u16 FAN_TO_REG(long rpm)
++{
++ if (rpm <= 0)
++ return 0x0fff;
++ return SENSORS_LIMIT((1350000 + (rpm >> 1)) / rpm, 1, 0xffe);
++}
++
++static inline unsigned long TIME_FROM_REG(u8 reg)
++{
++ return (reg * 100);
++}
++
++static inline u8 TIME_TO_REG(unsigned long val)
++{
++ return SENSORS_LIMIT((val + 50) / 100, 0, 0xff);
++}
++
++static inline long TEMP_FROM_REG(s8 reg)
++{
++ return (reg * 1000);
++}
++
++static inline s8 TEMP_TO_REG(long val, s8 min, s8 max)
++{
++ return SENSORS_LIMIT((val + (val < 0 ? -500 : 500)) / 1000, min, max);
++}
++
++struct w83793_data {
++ struct i2c_client client;
++ struct i2c_client *lm75[2];
++ struct class_device *class_dev;
++ struct mutex update_lock;
++ char valid; /* !=0 if following fields are valid */
++ unsigned long last_updated; /* In jiffies */
++ unsigned long last_nonvolatile; /* In jiffies, last time we update the
++ nonvolatile registers */
++
++ u8 bank;
++ u8 vrm;
++ u8 vid[2];
++ u8 in[10][3]; /* Register value, read/high/low */
++ u8 in_low_bits[3]; /* Additional resolution for VCore A/B Vtt */
++
++ u16 has_fan; /* Only fan1- fan5 has own pins */
++ u16 fan[12]; /* Register value combine */
++ u16 fan_min[12]; /* Register value combine */
++
++ s8 temp[6][5]; /* current, crit, crit_hyst,warn, warn_hyst */
++ u8 temp_low_bits; /* Additional resolution TD1-TD4 */
++ u8 temp_mode[2]; /* byte 0: Temp D1-D4 mode each has 2 bits
++ byte 1: Temp R1,R2 mode, each has 1 bit */
++ u8 temp_critical; /* If reached all fan will be at full speed */
++ u8 temp_fan_map[6]; /* Temp controls which pwm fan, bit field */
++
++ u8 has_pwm;
++ u8 has_temp;
++ u8 has_vid;
++ u8 pwm_enable; /* Register value, each Temp has 1 bit */
++ u8 pwm_uptime; /* Register value */
++ u8 pwm_downtime; /* Register value */
++ u8 pwm_default; /* All fan default pwm, next poweron valid */
++ u8 pwm[8][3]; /* Register value */
++ u8 pwm_stop_time[8];
++ u8 temp_cruise[6];
++
++ u8 alarms[5]; /* realtime status registers */
++ u8 beeps[5];
++ u8 beep_enable;
++ u8 tolerance[3]; /* Temp tolerance(Smart Fan I/II) */
++ u8 sf2_pwm[6][7]; /* Smart FanII: Fan duty cycle */
++ u8 sf2_temp[6][7]; /* Smart FanII: Temp level point */
++};
++
++static u8 w83793_read_value(struct i2c_client *client, u16 reg);
++static int w83793_write_value(struct i2c_client *client, u16 reg, u8 value);
++static int w83793_attach_adapter(struct i2c_adapter *adapter);
++static int w83793_detect(struct i2c_adapter *adapter, int address, int kind);
++static int w83793_detach_client(struct i2c_client *client);
++static void w83793_init_client(struct i2c_client *client);
++static void w83793_update_nonvolatile(struct device *dev);
++static struct w83793_data *w83793_update_device(struct device *dev);
++
++static struct i2c_driver w83793_driver = {
++ .driver = {
++ .name = "w83793",
++ },
++ .attach_adapter = w83793_attach_adapter,
++ .detach_client = w83793_detach_client,
++};
++
++static ssize_t
++show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
++{
++ struct i2c_client *client = to_i2c_client(dev);
++ struct w83793_data *data = i2c_get_clientdata(client);
++
++ return sprintf(buf, "%d\n", data->vrm);
++}
++
++static ssize_t
++show_vid(struct device *dev, struct device_attribute *attr, char *buf)
++{
++ struct w83793_data *data = w83793_update_device(dev);
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int index = sensor_attr->index;
++
++ return sprintf(buf, "%d\n", vid_from_reg(data->vid[index], data->vrm));
++}
++
++static ssize_t
++store_vrm(struct device *dev, struct device_attribute *attr,
++ const char *buf, size_t count)
++{
++ struct i2c_client *client = to_i2c_client(dev);
++ struct w83793_data *data = i2c_get_clientdata(client);
++
++ data->vrm = simple_strtoul(buf, NULL, 10);
++ return count;
++}
++
++#define ALARM_STATUS 0
++#define BEEP_ENABLE 1
++static ssize_t
++show_alarm_beep(struct device *dev, struct device_attribute *attr, char *buf)
++{
++ struct w83793_data *data = w83793_update_device(dev);
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int nr = sensor_attr->nr;
++ int index = sensor_attr->index >> 3;
++ int bit = sensor_attr->index & 0x07;
++ u8 val;
++
++ if (ALARM_STATUS == nr) {
++ val = (data->alarms[index] >> (bit)) & 1;
++ } else { /* BEEP_ENABLE */
++ val = (data->beeps[index] >> (bit)) & 1;
++ }
++
++ return sprintf(buf, "%u\n", val);
++}
++
++static ssize_t
++store_beep(struct device *dev, struct device_attribute *attr,
++ const char *buf, size_t count)
++{
++ struct i2c_client *client = to_i2c_client(dev);
++ struct w83793_data *data = i2c_get_clientdata(client);
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int index = sensor_attr->index >> 3;
++ int shift = sensor_attr->index & 0x07;
++ u8 beep_bit = 1 << shift;
++ u8 val;
++
++ val = simple_strtoul(buf, NULL, 10);
++ if (val != 0 && val != 1)
++ return -EINVAL;
++
++ mutex_lock(&data->update_lock);
++ data->beeps[index] = w83793_read_value(client, W83793_REG_BEEP(index));
++ data->beeps[index] &= ~beep_bit;
++ data->beeps[index] |= val << shift;
++ w83793_write_value(client, W83793_REG_BEEP(index), data->beeps[index]);
++ mutex_unlock(&data->update_lock);
++
++ return count;
++}
++
++static ssize_t
++show_beep_enable(struct device *dev, struct device_attribute *attr, char *buf)
++{
++ struct w83793_data *data = w83793_update_device(dev);
++ return sprintf(buf, "%u\n", (data->beep_enable >> 1) & 0x01);
++}
++
++static ssize_t
++store_beep_enable(struct device *dev, struct device_attribute *attr,
++ const char *buf, size_t count)
++{
++ struct i2c_client *client = to_i2c_client(dev);
++ struct w83793_data *data = i2c_get_clientdata(client);
++ u8 val = simple_strtoul(buf, NULL, 10);
++
++ if (val != 0 && val != 1)
++ return -EINVAL;
++
++ mutex_lock(&data->update_lock);
++ data->beep_enable = w83793_read_value(client, W83793_REG_OVT_BEEP)
++ & 0xfd;
++ data->beep_enable |= val << 1;
++ w83793_write_value(client, W83793_REG_OVT_BEEP, data->beep_enable);
++ mutex_unlock(&data->update_lock);
++
++ return count;
++}
++
++/* Write any value to clear chassis alarm */
++static ssize_t
++store_chassis_clear(struct device *dev,
++ struct device_attribute *attr, const char *buf,
++ size_t count)
++{
++ struct i2c_client *client = to_i2c_client(dev);
++ struct w83793_data *data = i2c_get_clientdata(client);
++ u8 val;
++
++ mutex_lock(&data->update_lock);
++ val = w83793_read_value(client, W83793_REG_CLR_CHASSIS);
++ val |= 0x80;
++ w83793_write_value(client, W83793_REG_CLR_CHASSIS, val);
++ mutex_unlock(&data->update_lock);
++ return count;
++}
++
++#define FAN_INPUT 0
++#define FAN_MIN 1
++static ssize_t
++show_fan(struct device *dev, struct device_attribute *attr, char *buf)
++{
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int nr = sensor_attr->nr;
++ int index = sensor_attr->index;
++ struct w83793_data *data = w83793_update_device(dev);
++ u16 val;
++
++ if (FAN_INPUT == nr) {
++ val = data->fan[index] & 0x0fff;
++ } else {
++ val = data->fan_min[index] & 0x0fff;
++ }
++
++ return sprintf(buf, "%lu\n", FAN_FROM_REG(val));
++}
++
++static ssize_t
++store_fan_min(struct device *dev, struct device_attribute *attr,
++ const char *buf, size_t count)
++{
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int index = sensor_attr->index;
++ struct i2c_client *client = to_i2c_client(dev);
++ struct w83793_data *data = i2c_get_clientdata(client);
++ u16 val = FAN_TO_REG(simple_strtoul(buf, NULL, 10));
++
++ mutex_lock(&data->update_lock);
++ data->fan_min[index] = val;
++ w83793_write_value(client, W83793_REG_FAN_MIN(index),
++ (val >> 8) & 0xff);
++ w83793_write_value(client, W83793_REG_FAN_MIN(index) + 1, val & 0xff);
++ mutex_unlock(&data->update_lock);
++
++ return count;
++}
++
++#define PWM_DUTY 0
++#define PWM_START 1
++#define PWM_NONSTOP 2
++#define PWM_STOP_TIME 3
++static ssize_t
++show_pwm(struct device *dev, struct device_attribute *attr, char *buf)
++{
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ struct w83793_data *data = w83793_update_device(dev);
++ u16 val;
++ int nr = sensor_attr->nr;
++ int index = sensor_attr->index;
++
++ if (PWM_STOP_TIME == nr)
++ val = TIME_FROM_REG(data->pwm_stop_time[index]);
++ else
++ val = (data->pwm[index][nr] & 0x3f) << 2;
++
++ return sprintf(buf, "%d\n", val);
++}
++
++static ssize_t
++store_pwm(struct device *dev, struct device_attribute *attr,
++ const char *buf, size_t count)
++{
++ struct i2c_client *client = to_i2c_client(dev);
++ struct w83793_data *data = i2c_get_clientdata(client);
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int nr = sensor_attr->nr;
++ int index = sensor_attr->index;
++ u8 val;
++
++ mutex_lock(&data->update_lock);
++ if (PWM_STOP_TIME == nr) {
++ val = TIME_TO_REG(simple_strtoul(buf, NULL, 10));
++ data->pwm_stop_time[index] = val;
++ w83793_write_value(client, W83793_REG_PWM_STOP_TIME(index),
++ val);
++ } else {
++ val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 0xff)
++ >> 2;
++ data->pwm[index][nr] =
++ w83793_read_value(client, W83793_REG_PWM(index, nr)) & 0xc0;
++ data->pwm[index][nr] |= val;
++ w83793_write_value(client, W83793_REG_PWM(index, nr),
++ data->pwm[index][nr]);
++ }
++
++ mutex_unlock(&data->update_lock);
++ return count;
++}
++
++static ssize_t
++show_temp(struct device *dev, struct device_attribute *attr, char *buf)
++{
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int nr = sensor_attr->nr;
++ int index = sensor_attr->index;
++ struct w83793_data *data = w83793_update_device(dev);
++ long temp = TEMP_FROM_REG(data->temp[index][nr]);
++
++ if (TEMP_READ == nr && index < 4) { /* Only TD1-TD4 have low bits */
++ int low = ((data->temp_low_bits >> (index * 2)) & 0x03) * 250;
++ temp += temp > 0 ? low : -low;
++ }
++ return sprintf(buf, "%ld\n", temp);
++}
++
++static ssize_t
++store_temp(struct device *dev, struct device_attribute *attr,
++ const char *buf, size_t count)
++{
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int nr = sensor_attr->nr;
++ int index = sensor_attr->index;
++ struct i2c_client *client = to_i2c_client(dev);
++ struct w83793_data *data = i2c_get_clientdata(client);
++ long tmp = simple_strtol(buf, NULL, 10);
++
++ mutex_lock(&data->update_lock);
++ data->temp[index][nr] = TEMP_TO_REG(tmp, -128, 127);
++ w83793_write_value(client, W83793_REG_TEMP[index][nr],
++ data->temp[index][nr]);
++ mutex_unlock(&data->update_lock);
++ return count;
++}
++
++/*
++ TD1-TD4
++ each has 4 mode:(2 bits)
++ 0: Stop monitor
++ 1: Use internal temp sensor(default)
++ 2: Reserved
++ 3: Use sensor in Intel CPU and get result by PECI
++
++ TR1-TR2
++ each has 2 mode:(1 bit)
++ 0: Disable temp sensor monitor
++ 1: To enable temp sensors monitor
++*/
++
++/* 0 disable, 6 PECI */
++static u8 TO_TEMP_MODE[] = { 0, 0, 0, 6 };
++
++static ssize_t
++show_temp_mode(struct device *dev, struct device_attribute *attr, char *buf)
++{
++ struct w83793_data *data = w83793_update_device(dev);
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int index = sensor_attr->index;
++ u8 mask = (index < 4) ? 0x03 : 0x01;
++ u8 shift = (index < 4) ? (2 * index) : (index - 4);
++ u8 tmp;
++ index = (index < 4) ? 0 : 1;
++
++ tmp = (data->temp_mode[index] >> shift) & mask;
++
++ /* for the internal sensor, found out if diode or thermistor */
++ if (tmp == 1) {
++ tmp = index == 0 ? 3 : 4;
++ } else {
++ tmp = TO_TEMP_MODE[tmp];
++ }
++
++ return sprintf(buf, "%d\n", tmp);
++}
++
++static ssize_t
++store_temp_mode(struct device *dev, struct device_attribute *attr,
++ const char *buf, size_t count)
++{
++ struct i2c_client *client = to_i2c_client(dev);
++ struct w83793_data *data = i2c_get_clientdata(client);
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int index = sensor_attr->index;
++ u8 mask = (index < 4) ? 0x03 : 0x01;
++ u8 shift = (index < 4) ? (2 * index) : (index - 4);
++ u8 val = simple_strtoul(buf, NULL, 10);
++
++ /* transform the sysfs interface values into table above */
++ if ((val == 6) && (index < 4)) {
++ val -= 3;
++ } else if ((val == 3 && index < 4)
++ || (val == 4 && index >= 4)) {
++ /* transform diode or thermistor into internal enable */
++ val = !!val;
++ } else {
++ return -EINVAL;
++ }
++
++ index = (index < 4) ? 0 : 1;
++ mutex_lock(&data->update_lock);
++ data->temp_mode[index] =
++ w83793_read_value(client, W83793_REG_TEMP_MODE[index]);
++ data->temp_mode[index] &= ~(mask << shift);
++ data->temp_mode[index] |= val << shift;
++ w83793_write_value(client, W83793_REG_TEMP_MODE[index],
++ data->temp_mode[index]);
++ mutex_unlock(&data->update_lock);
++
++ return count;
++}
++
++#define SETUP_PWM_DEFAULT 0
++#define SETUP_PWM_UPTIME 1 /* Unit in 0.1s */
++#define SETUP_PWM_DOWNTIME 2 /* Unit in 0.1s */
++#define SETUP_TEMP_CRITICAL 3
++static ssize_t
++show_sf_setup(struct device *dev, struct device_attribute *attr, char *buf)
++{
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int nr = sensor_attr->nr;
++ struct w83793_data *data = w83793_update_device(dev);
++ u32 val = 0;
++
++ if (SETUP_PWM_DEFAULT == nr) {
++ val = (data->pwm_default & 0x3f) << 2;
++ } else if (SETUP_PWM_UPTIME == nr) {
++ val = TIME_FROM_REG(data->pwm_uptime);
++ } else if (SETUP_PWM_DOWNTIME == nr) {
++ val = TIME_FROM_REG(data->pwm_downtime);
++ } else if (SETUP_TEMP_CRITICAL == nr) {
++ val = TEMP_FROM_REG(data->temp_critical & 0x7f);
++ }
++
++ return sprintf(buf, "%d\n", val);
++}
++
++static ssize_t
++store_sf_setup(struct device *dev, struct device_attribute *attr,
++ const char *buf, size_t count)
++{
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int nr = sensor_attr->nr;
++ struct i2c_client *client = to_i2c_client(dev);
++ struct w83793_data *data = i2c_get_clientdata(client);
++
++ mutex_lock(&data->update_lock);
++ if (SETUP_PWM_DEFAULT == nr) {
++ data->pwm_default =
++ w83793_read_value(client, W83793_REG_PWM_DEFAULT) & 0xc0;
++ data->pwm_default |= SENSORS_LIMIT(simple_strtoul(buf, NULL,
++ 10),
++ 0, 0xff) >> 2;
++ w83793_write_value(client, W83793_REG_PWM_DEFAULT,
++ data->pwm_default);
++ } else if (SETUP_PWM_UPTIME == nr) {
++ data->pwm_uptime = TIME_TO_REG(simple_strtoul(buf, NULL, 10));
++ data->pwm_uptime += data->pwm_uptime == 0 ? 1 : 0;
++ w83793_write_value(client, W83793_REG_PWM_UPTIME,
++ data->pwm_uptime);
++ } else if (SETUP_PWM_DOWNTIME == nr) {
++ data->pwm_downtime = TIME_TO_REG(simple_strtoul(buf, NULL, 10));
++ data->pwm_downtime += data->pwm_downtime == 0 ? 1 : 0;
++ w83793_write_value(client, W83793_REG_PWM_DOWNTIME,
++ data->pwm_downtime);
++ } else { /* SETUP_TEMP_CRITICAL */
++ data->temp_critical =
++ w83793_read_value(client, W83793_REG_TEMP_CRITICAL) & 0x80;
++ data->temp_critical |= TEMP_TO_REG(simple_strtol(buf, NULL, 10),
++ 0, 0x7f);
++ w83793_write_value(client, W83793_REG_TEMP_CRITICAL,
++ data->temp_critical);
++ }
++
++ mutex_unlock(&data->update_lock);
++ return count;
++}
++
++/*
++ Temp SmartFan control
++ TEMP_FAN_MAP
++ Temp channel control which pwm fan, bitfield, bit 0 indicate pwm1...
++ It's possible two or more temp channels control the same fan, w83793
++ always prefers to pick the most critical request and applies it to
++ the related Fan.
++ It's possible one fan is not in any mapping of 6 temp channels, this
++ means the fan is manual mode
++
++ TEMP_PWM_ENABLE
++ Each temp channel has its own SmartFan mode, and temp channel
++ control fans that are set by TEMP_FAN_MAP
++ 0: SmartFanII mode
++ 1: Thermal Cruise Mode
++
++ TEMP_CRUISE
++ Target temperature in thermal cruise mode, w83793 will try to turn
++ fan speed to keep the temperature of target device around this
++ temperature.
++
++ TEMP_TOLERANCE
++ If Temp higher or lower than target with this tolerance, w83793
++ will take actions to speed up or slow down the fan to keep the
++ temperature within the tolerance range.
++*/
++
++#define TEMP_FAN_MAP 0
++#define TEMP_PWM_ENABLE 1
++#define TEMP_CRUISE 2
++#define TEMP_TOLERANCE 3
++static ssize_t
++show_sf_ctrl(struct device *dev, struct device_attribute *attr, char *buf)
++{
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int nr = sensor_attr->nr;
++ int index = sensor_attr->index;
++ struct w83793_data *data = w83793_update_device(dev);
++ u32 val;
++
++ if (TEMP_FAN_MAP == nr) {
++ val = data->temp_fan_map[index];
++ } else if (TEMP_PWM_ENABLE == nr) {
++ /* +2 to transfrom into 2 and 3 to conform with sysfs intf */
++ val = ((data->pwm_enable >> index) & 0x01) + 2;
++ } else if (TEMP_CRUISE == nr) {
++ val = TEMP_FROM_REG(data->temp_cruise[index] & 0x7f);
++ } else { /* TEMP_TOLERANCE */
++ val = data->tolerance[index >> 1] >> ((index & 0x01) ? 4 : 0);
++ val = TEMP_FROM_REG(val & 0x0f);
++ }
++ return sprintf(buf, "%d\n", val);
++}
++
++static ssize_t
++store_sf_ctrl(struct device *dev, struct device_attribute *attr,
++ const char *buf, size_t count)
++{
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int nr = sensor_attr->nr;
++ int index = sensor_attr->index;
++ struct i2c_client *client = to_i2c_client(dev);
++ struct w83793_data *data = i2c_get_clientdata(client);
++ u32 val;
++
++ mutex_lock(&data->update_lock);
++ if (TEMP_FAN_MAP == nr) {
++ val = simple_strtoul(buf, NULL, 10) & 0xff;
++ w83793_write_value(client, W83793_REG_TEMP_FAN_MAP(index), val);
++ data->temp_fan_map[index] = val;
++ } else if (TEMP_PWM_ENABLE == nr) {
++ val = simple_strtoul(buf, NULL, 10);
++ if (2 == val || 3 == val) {
++ data->pwm_enable =
++ w83793_read_value(client, W83793_REG_PWM_ENABLE);
++ if (val - 2)
++ data->pwm_enable |= 1 << index;
++ else
++ data->pwm_enable &= ~(1 << index);
++ w83793_write_value(client, W83793_REG_PWM_ENABLE,
++ data->pwm_enable);
++ } else {
++ mutex_unlock(&data->update_lock);
++ return -EINVAL;
++ }
++ } else if (TEMP_CRUISE == nr) {
++ data->temp_cruise[index] =
++ w83793_read_value(client, W83793_REG_TEMP_CRUISE(index));
++ val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x7f);
++ data->temp_cruise[index] &= 0x80;
++ data->temp_cruise[index] |= val;
++
++ w83793_write_value(client, W83793_REG_TEMP_CRUISE(index),
++ data->temp_cruise[index]);
++ } else { /* TEMP_TOLERANCE */
++ int i = index >> 1;
++ u8 shift = (index & 0x01) ? 4 : 0;
++ data->tolerance[i] =
++ w83793_read_value(client, W83793_REG_TEMP_TOL(i));
++
++ val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x0f);
++ data->tolerance[i] &= ~(0x0f << shift);
++ data->tolerance[i] |= val << shift;
++ w83793_write_value(client, W83793_REG_TEMP_TOL(i),
++ data->tolerance[i]);
++ }
++
++ mutex_unlock(&data->update_lock);
++ return count;
++}
++
++static ssize_t
++show_sf2_pwm(struct device *dev, struct device_attribute *attr, char *buf)
++{
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int nr = sensor_attr->nr;
++ int index = sensor_attr->index;
++ struct w83793_data *data = w83793_update_device(dev);
++
++ return sprintf(buf, "%d\n", (data->sf2_pwm[index][nr] & 0x3f) << 2);
++}
++
++static ssize_t
++store_sf2_pwm(struct device *dev, struct device_attribute *attr,
++ const char *buf, size_t count)
++{
++ struct i2c_client *client = to_i2c_client(dev);
++ struct w83793_data *data = i2c_get_clientdata(client);
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int nr = sensor_attr->nr;
++ int index = sensor_attr->index;
++ u8 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 0xff) >> 2;
++
++ mutex_lock(&data->update_lock);
++ data->sf2_pwm[index][nr] =
++ w83793_read_value(client, W83793_REG_SF2_PWM(index, nr)) & 0xc0;
++ data->sf2_pwm[index][nr] |= val;
++ w83793_write_value(client, W83793_REG_SF2_PWM(index, nr),
++ data->sf2_pwm[index][nr]);
++ mutex_unlock(&data->update_lock);
++ return count;
++}
++
++static ssize_t
++show_sf2_temp(struct device *dev, struct device_attribute *attr, char *buf)
++{
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int nr = sensor_attr->nr;
++ int index = sensor_attr->index;
++ struct w83793_data *data = w83793_update_device(dev);
++
++ return sprintf(buf, "%ld\n",
++ TEMP_FROM_REG(data->sf2_temp[index][nr] & 0x7f));
++}
++
++static ssize_t
++store_sf2_temp(struct device *dev, struct device_attribute *attr,
++ const char *buf, size_t count)
++{
++ struct i2c_client *client = to_i2c_client(dev);
++ struct w83793_data *data = i2c_get_clientdata(client);
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int nr = sensor_attr->nr;
++ int index = sensor_attr->index;
++ u8 val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x7f);
++
++ mutex_lock(&data->update_lock);
++ data->sf2_temp[index][nr] =
++ w83793_read_value(client, W83793_REG_SF2_TEMP(index, nr)) & 0x80;
++ data->sf2_temp[index][nr] |= val;
++ w83793_write_value(client, W83793_REG_SF2_TEMP(index, nr),
++ data->sf2_temp[index][nr]);
++ mutex_unlock(&data->update_lock);
++ return count;
++}
++
++/* only Vcore A/B and Vtt have additional 2 bits precision */
++static ssize_t
++show_in(struct device *dev, struct device_attribute *attr, char *buf)
++{
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int nr = sensor_attr->nr;
++ int index = sensor_attr->index;
++ struct w83793_data *data = w83793_update_device(dev);
++ u16 val = data->in[index][nr];
++
++ if (index < 3) {
++ val <<= 2;
++ val += (data->in_low_bits[nr] >> (index * 2)) & 0x3;
++ }
++ /* voltage inputs 5VDD and 5VSB needs 150mV offset */
++ val = val * scale_in[index] + scale_in_add[index];
++ return sprintf(buf, "%d\n", val);
++}
++
++static ssize_t
++store_in(struct device *dev, struct device_attribute *attr,
++ const char *buf, size_t count)
++{
++ struct sensor_device_attribute_2 *sensor_attr =
++ to_sensor_dev_attr_2(attr);
++ int nr = sensor_attr->nr;
++ int index = sensor_attr->index;
++ struct i2c_client *client = to_i2c_client(dev);
++ struct w83793_data *data = i2c_get_clientdata(client);
++ u32 val;
++
++ val =
++ (simple_strtoul(buf, NULL, 10) +
++ scale_in[index] / 2) / scale_in[index];
++ mutex_lock(&data->update_lock);
++ if (index > 2) {
++ /* fix the limit values of 5VDD and 5VSB to ALARM mechanism */
++ if (1 == nr || 2 == nr) {
++ val -= scale_in_add[index] / scale_in[index];
++ }
++ val = SENSORS_LIMIT(val, 0, 255);
++ } else {
++ val = SENSORS_LIMIT(val, 0, 0x3FF);
++ data->in_low_bits[nr] =
++ w83793_read_value(client, W83793_REG_IN_LOW_BITS[nr]);
++ data->in_low_bits[nr] &= ~(0x03 << (2 * index));
++ data->in_low_bits[nr] |= (val & 0x03) << (2 * index);
++ w83793_write_value(client, W83793_REG_IN_LOW_BITS[nr],
++ data->in_low_bits[nr]);
++ val >>= 2;
++ }
++ data->in[index][nr] = val;
++ w83793_write_value(client, W83793_REG_IN[index][nr],
++ data->in[index][nr]);
++ mutex_unlock(&data->update_lock);
++ return count;
++}
++
++#define NOT_USED -1
++
++#define SENSOR_ATTR_IN(index) \
++ SENSOR_ATTR_2(in##index##_input, S_IRUGO, show_in, NULL, \
++ IN_READ, index), \
++ SENSOR_ATTR_2(in##index##_max, S_IRUGO | S_IWUSR, show_in, \
++ store_in, IN_MAX, index), \
++ SENSOR_ATTR_2(in##index##_min, S_IRUGO | S_IWUSR, show_in, \
++ store_in, IN_LOW, index), \
++ SENSOR_ATTR_2(in##index##_alarm, S_IRUGO, show_alarm_beep, \
++ NULL, ALARM_STATUS, index + ((index > 2) ? 1 : 0)), \
++ SENSOR_ATTR_2(in##index##_beep, S_IWUSR | S_IRUGO, \
++ show_alarm_beep, store_beep, BEEP_ENABLE, \
++ index + ((index > 2) ? 1 : 0))
++
++#define SENSOR_ATTR_FAN(index)
\
++ SENSOR_ATTR_2(fan##index##_alarm, S_IRUGO, show_alarm_beep, \
++ NULL, ALARM_STATUS, index + 17), \
++ SENSOR_ATTR_2(fan##index##_beep, S_IWUSR | S_IRUGO, \
++ show_alarm_beep, store_beep, BEEP_ENABLE, index + 17), \
++ SENSOR_ATTR_2(fan##index##_input, S_IRUGO, show_fan, \
++ NULL, FAN_INPUT, index - 1), \
++ SENSOR_ATTR_2(fan##index##_min, S_IWUSR | S_IRUGO, \
++ show_fan, store_fan_min, FAN_MIN, index - 1)
++
++#define SENSOR_ATTR_PWM(index)
\
++ SENSOR_ATTR_2(pwm##index, S_IWUSR | S_IRUGO, show_pwm, \
++ store_pwm, PWM_DUTY, index - 1), \
++ SENSOR_ATTR_2(pwm##index##_nonstop, S_IWUSR | S_IRUGO, \
++ show_pwm, store_pwm, PWM_NONSTOP, index - 1), \
++ SENSOR_ATTR_2(pwm##index##_start, S_IWUSR | S_IRUGO, \
++ show_pwm, store_pwm, PWM_START, index - 1), \
++ SENSOR_ATTR_2(pwm##index##_stop_time, S_IWUSR | S_IRUGO, \
++ show_pwm, store_pwm, PWM_STOP_TIME, index - 1)
++
++#define SENSOR_ATTR_TEMP(index)
\
++ SENSOR_ATTR_2(temp##index##_type, S_IRUGO | S_IWUSR, \
++ show_temp_mode, store_temp_mode, NOT_USED, index - 1), \
++ SENSOR_ATTR_2(temp##index##_input, S_IRUGO, show_temp, \
++ NULL, TEMP_READ, index - 1), \
++ SENSOR_ATTR_2(temp##index##_max, S_IRUGO | S_IWUSR, show_temp, \
++ store_temp, TEMP_CRIT, index - 1), \
++ SENSOR_ATTR_2(temp##index##_max_hyst, S_IRUGO | S_IWUSR, \
++ show_temp, store_temp, TEMP_CRIT_HYST, index - 1), \
++ SENSOR_ATTR_2(temp##index##_warn, S_IRUGO | S_IWUSR, show_temp, \
++ store_temp, TEMP_WARN, index - 1), \
++ SENSOR_ATTR_2(temp##index##_warn_hyst, S_IRUGO | S_IWUSR, \
++ show_temp, store_temp, TEMP_WARN_HYST, index - 1), \
++ SENSOR_ATTR_2(temp##index##_alarm, S_IRUGO, \
++ show_alarm_beep, NULL, ALARM_STATUS, index + 11), \
++ SENSOR_ATTR_2(temp##index##_beep, S_IWUSR | S_IRUGO, \
++ show_alarm_beep, store_beep, BEEP_ENABLE, index + 11), \
++ SENSOR_ATTR_2(temp##index##_auto_channels_pwm, \
++ S_IRUGO | S_IWUSR, show_sf_ctrl, store_sf_ctrl, \
++ TEMP_FAN_MAP, index - 1), \
++ SENSOR_ATTR_2(temp##index##_pwm_enable, S_IWUSR | S_IRUGO, \
++ show_sf_ctrl, store_sf_ctrl, TEMP_PWM_ENABLE, \
++ index - 1), \
++ SENSOR_ATTR_2(thermal_cruise##index, S_IRUGO | S_IWUSR, \
++ show_sf_ctrl, store_sf_ctrl, TEMP_CRUISE, index - 1), \
++ SENSOR_ATTR_2(tolerance##index, S_IRUGO | S_IWUSR, show_sf_ctrl,\
++ store_sf_ctrl, TEMP_TOLERANCE, index - 1), \
++ SENSOR_ATTR_2(temp##index##_auto_point1_pwm, S_IRUGO | S_IWUSR, \
++ show_sf2_pwm, store_sf2_pwm, 0, index - 1), \
++ SENSOR_ATTR_2(temp##index##_auto_point2_pwm, S_IRUGO | S_IWUSR, \
++ show_sf2_pwm, store_sf2_pwm, 1, index - 1), \
++ SENSOR_ATTR_2(temp##index##_auto_point3_pwm, S_IRUGO | S_IWUSR, \
++ show_sf2_pwm, store_sf2_pwm, 2, index - 1), \
++ SENSOR_ATTR_2(temp##index##_auto_point4_pwm, S_IRUGO | S_IWUSR, \
++ show_sf2_pwm, store_sf2_pwm, 3, index - 1), \
++ SENSOR_ATTR_2(temp##index##_auto_point5_pwm, S_IRUGO | S_IWUSR, \
++ show_sf2_pwm, store_sf2_pwm, 4, index - 1), \
++ SENSOR_ATTR_2(temp##index##_auto_point6_pwm, S_IRUGO | S_IWUSR, \
++ show_sf2_pwm, store_sf2_pwm, 5, index - 1), \
++ SENSOR_ATTR_2(temp##index##_auto_point7_pwm, S_IRUGO | S_IWUSR, \
++ show_sf2_pwm, store_sf2_pwm, 6, index - 1), \
++ SENSOR_ATTR_2(temp##index##_auto_point1_temp, S_IRUGO | S_IWUSR,\
++ show_sf2_temp, store_sf2_temp, 0, index - 1), \
++ SENSOR_ATTR_2(temp##index##_auto_point2_temp, S_IRUGO | S_IWUSR,\
++ show_sf2_temp, store_sf2_temp, 1, index - 1), \
++ SENSOR_ATTR_2(temp##index##_auto_point3_temp, S_IRUGO | S_IWUSR,\
++ show_sf2_temp, store_sf2_temp, 2, index - 1), \
++ SENSOR_ATTR_2(temp##index##_auto_point4_temp, S_IRUGO | S_IWUSR,\
++ show_sf2_temp, store_sf2_temp, 3, index - 1), \
++ SENSOR_ATTR_2(temp##index##_auto_point5_temp, S_IRUGO | S_IWUSR,\
++ show_sf2_temp, store_sf2_temp, 4, index - 1), \
++ SENSOR_ATTR_2(temp##index##_auto_point6_temp, S_IRUGO | S_IWUSR,\
++ show_sf2_temp, store_sf2_temp, 5, index - 1), \
++ SENSOR_ATTR_2(temp##index##_auto_point7_temp, S_IRUGO | S_IWUSR,\
++ show_sf2_temp, store_sf2_temp, 6, index - 1)
++
++static struct sensor_device_attribute_2 w83793_sensor_attr_2[] = {
++ SENSOR_ATTR_IN(0),
++ SENSOR_ATTR_IN(1),
++ SENSOR_ATTR_IN(2),
++ SENSOR_ATTR_IN(3),
++ SENSOR_ATTR_IN(4),
++ SENSOR_ATTR_IN(5),
++ SENSOR_ATTR_IN(6),
++ SENSOR_ATTR_IN(7),
++ SENSOR_ATTR_IN(8),
++ SENSOR_ATTR_IN(9),
++ SENSOR_ATTR_FAN(1),
++ SENSOR_ATTR_FAN(2),
++ SENSOR_ATTR_FAN(3),
++ SENSOR_ATTR_FAN(4),
++ SENSOR_ATTR_FAN(5),
++ SENSOR_ATTR_PWM(1),
++ SENSOR_ATTR_PWM(2),
++ SENSOR_ATTR_PWM(3),
++};
++
++static struct sensor_device_attribute_2 w83793_temp[] = {
++ SENSOR_ATTR_TEMP(1),
++ SENSOR_ATTR_TEMP(2),
++ SENSOR_ATTR_TEMP(3),
++ SENSOR_ATTR_TEMP(4),
++ SENSOR_ATTR_TEMP(5),
++ SENSOR_ATTR_TEMP(6),
++};
++
++/* Fan6-Fan12 */
++static struct sensor_device_attribute_2 w83793_left_fan[] = {
++ SENSOR_ATTR_FAN(6),
++ SENSOR_ATTR_FAN(7),
++ SENSOR_ATTR_FAN(8),
++ SENSOR_ATTR_FAN(9),
++ SENSOR_ATTR_FAN(10),
++ SENSOR_ATTR_FAN(11),
++ SENSOR_ATTR_FAN(12),
++};
++
++/* Pwm4-Pwm8 */
++static struct sensor_device_attribute_2 w83793_left_pwm[] = {
++ SENSOR_ATTR_PWM(4),
++ SENSOR_ATTR_PWM(5),
++ SENSOR_ATTR_PWM(6),
++ SENSOR_ATTR_PWM(7),
++ SENSOR_ATTR_PWM(8),
++};
++
++static struct sensor_device_attribute_2 w83793_vid[] = {
++ SENSOR_ATTR_2(cpu0_vid, S_IRUGO, show_vid, NULL, NOT_USED, 0),
++ SENSOR_ATTR_2(cpu1_vid, S_IRUGO, show_vid, NULL, NOT_USED, 1),
++};
++
++static struct sensor_device_attribute_2 sda_single_files[] = {
++ SENSOR_ATTR_2(vrm, S_IWUSR | S_IRUGO, show_vrm, store_vrm,
++ NOT_USED, NOT_USED),
++ SENSOR_ATTR_2(chassis, S_IWUSR | S_IRUGO, show_alarm_beep,
++ store_chassis_clear, ALARM_STATUS, 30),
++ SENSOR_ATTR_2(beep_enable, S_IWUSR | S_IRUGO, show_beep_enable,
++ store_beep_enable, NOT_USED, NOT_USED),
++ SENSOR_ATTR_2(pwm_default, S_IWUSR | S_IRUGO, show_sf_setup,
++ store_sf_setup, SETUP_PWM_DEFAULT, NOT_USED),
++ SENSOR_ATTR_2(pwm_uptime, S_IWUSR | S_IRUGO, show_sf_setup,
++ store_sf_setup, SETUP_PWM_UPTIME, NOT_USED),
++ SENSOR_ATTR_2(pwm_downtime, S_IWUSR | S_IRUGO, show_sf_setup,
++ store_sf_setup, SETUP_PWM_DOWNTIME, NOT_USED),
++ SENSOR_ATTR_2(temp_critical, S_IWUSR | S_IRUGO, show_sf_setup,
++ store_sf_setup, SETUP_TEMP_CRITICAL, NOT_USED),
++};
++
++static void w83793_init_client(struct i2c_client *client)
++{
++ if (reset) {
++ w83793_write_value(client, W83793_REG_CONFIG, 0x80);
++ }
++
++ /* Start monitoring */
++ w83793_write_value(client, W83793_REG_CONFIG,
++ w83793_read_value(client, W83793_REG_CONFIG) | 0x01);
++
++}
++
++static int w83793_attach_adapter(struct i2c_adapter *adapter)
++{
++ if (!(adapter->class & I2C_CLASS_HWMON))
++ return 0;
++ return i2c_probe(adapter, &addr_data, w83793_detect);
++}
++
++static int w83793_detach_client(struct i2c_client *client)
++{
++ struct w83793_data *data = i2c_get_clientdata(client);
++ struct device *dev = &client->dev;
++ int err, i;
++
++ /* main client */
++ if (data) {
++ hwmon_device_unregister(data->class_dev);
++
++ for (i = 0; i < ARRAY_SIZE(w83793_sensor_attr_2); i++)
++ device_remove_file(dev,
++ &w83793_sensor_attr_2[i].dev_attr);
++
++ for (i = 0; i < ARRAY_SIZE(sda_single_files); i++)
++ device_remove_file(dev, &sda_single_files[i].dev_attr);
++
++ for (i = 0; i < ARRAY_SIZE(w83793_vid); i++)
++ device_remove_file(dev, &w83793_vid[i].dev_attr);
++
++ for (i = 0; i < ARRAY_SIZE(w83793_left_fan); i++)
++ device_remove_file(dev, &w83793_left_fan[i].dev_attr);
++
++ for (i = 0; i < ARRAY_SIZE(w83793_left_pwm); i++)
++ device_remove_file(dev, &w83793_left_pwm[i].dev_attr);
++
++ for (i = 0; i < ARRAY_SIZE(w83793_temp); i++)
++ device_remove_file(dev, &w83793_temp[i].dev_attr);
++ }
++
++ if ((err = i2c_detach_client(client)))
++ return err;
++
++ /* main client */
++ if (data)
++ kfree(data);
++ /* subclient */
++ else
++ kfree(client);
++
++ return 0;
++}
++
++static int
++w83793_create_subclient(struct i2c_adapter *adapter,
++ struct i2c_client *client, int addr,
++ struct i2c_client **sub_cli)
++{
++ int err = 0;
++ struct i2c_client *sub_client;
++
++ (*sub_cli) = sub_client =
++ kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
++ if (!(sub_client)) {
++ return -ENOMEM;
++ }
++ sub_client->addr = 0x48 + addr;
++ i2c_set_clientdata(sub_client, NULL);
++ sub_client->adapter = adapter;
++ sub_client->driver = &w83793_driver;
++ strlcpy(sub_client->name, "w83793 subclient", I2C_NAME_SIZE);
++ if ((err = i2c_attach_client(sub_client))) {
++ dev_err(&client->dev, "subclient registration "
++ "at address 0x%x failed\n", sub_client->addr);
++ kfree(sub_client);
++ }
++ return err;
++}
++
++static int
++w83793_detect_subclients(struct i2c_adapter *adapter, int address,
++ int kind, struct i2c_client *client)
++{
++ int i, id, err;
++ u8 tmp;
++ struct w83793_data *data = i2c_get_clientdata(client);
++
++ 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(&client->dev,
++ "invalid subclient "
++ "address %d; must be 0x48-0x4f\n",
++ force_subclients[i]);
++ err = -EINVAL;
++ goto ERROR_SC_0;
++ }
++ }
++ w83793_write_value(client, W83793_REG_I2C_SUBADDR,
++ (force_subclients[2] & 0x07) |
++ ((force_subclients[3] & 0x07) << 4));
++ }
++
++ tmp = w83793_read_value(client, W83793_REG_I2C_SUBADDR);
++ if (!(tmp & 0x08)) {
++ err =
++ w83793_create_subclient(adapter, client, tmp & 0x7,
++ &data->lm75[0]);
++ if (err < 0)
++ goto ERROR_SC_0;
++ }
++ if (!(tmp & 0x80)) {
++ if ((data->lm75[0] != NULL)
++ && ((tmp & 0x7) == ((tmp >> 4) & 0x7))) {
++ dev_err(&client->dev,
++ "duplicate addresses 0x%x, "
++ "use force_subclients\n", data->lm75[0]->addr);
++ err = -ENODEV;
++ goto ERROR_SC_1;
++ }
++ err = w83793_create_subclient(adapter, client,
++ (tmp >> 4) & 0x7, &data->lm75[1]);
++ if (err < 0)
++ goto ERROR_SC_1;
++ }
++
++ return 0;
++
++ /* Undo inits in case of errors */
++
++ERROR_SC_1:
++ if (data->lm75[0] != NULL) {
++ i2c_detach_client(data->lm75[0]);
++ kfree(data->lm75[0]);
++ }
++ERROR_SC_0:
++ return err;
++}
++
++static int w83793_detect(struct i2c_adapter *adapter, int address, int kind)
++{
++ int i;
++ u8 tmp, val;
++ struct i2c_client *client;
++ struct device *dev;
++ struct w83793_data *data;
++ int files_fan = ARRAY_SIZE(w83793_left_fan) / 7;
++ int files_pwm = ARRAY_SIZE(w83793_left_pwm) / 5;
++ int files_temp = ARRAY_SIZE(w83793_temp) / 6;
++ int err = 0;
++
++ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
++ goto exit;
++ }
++
++ /* OK. For now, we presume we have a valid client. We now create the
++ client structure, even though we cannot fill it completely yet.
++ But it allows us to access w83793_{read,write}_value. */
++
++ if (!(data = kzalloc(sizeof(struct w83793_data), GFP_KERNEL))) {
++ err = -ENOMEM;
++ goto exit;
++ }
++
++ client = &data->client;
++ dev = &client->dev;
++ i2c_set_clientdata(client, data);
++ client->addr = address;
++ client->adapter = adapter;
++ client->driver = &w83793_driver;
++
++ data->bank = i2c_smbus_read_byte_data(client, W83793_REG_BANKSEL);
++
++ /* Now, we do the remaining detection. */
++ if (kind < 0) {
++ tmp = data->bank & 0x80 ? 0x5c : 0xa3;
++ /* Check Winbond vendor ID */
++ if (tmp != i2c_smbus_read_byte_data(client,
++ W83793_REG_VENDORID)) {
++ pr_debug("w83793: Detection failed at check "
++ "vendor id\n");
++ err = -ENODEV;
++ goto free_mem;
++ }
++
++ /* If Winbond chip, address of chip and W83793_REG_I2C_ADDR
++ should match */
++ if ((data->bank & 0x07) == 0
++ && i2c_smbus_read_byte_data(client, W83793_REG_I2C_ADDR) !=
++ (address << 1)) {
++ pr_debug("w83793: Detection failed at check "
++ "i2c addr\n");
++ err = -ENODEV;
++ goto free_mem;
++ }
++
++ }
++
++ /* We have either had a force parameter, or we have already detected the
++ Winbond. Determine the chip type now */
++
++ if (kind <= 0) {
++ if (0x7b == w83793_read_value(client, W83793_REG_CHIPID)) {
++ kind = w83793;
++ } else {
++ if (kind == 0)
++ dev_warn(&adapter->dev, "w83793: Ignoring "
++ "'force' parameter for unknown chip "
++ "at address 0x%02x\n", address);
++ err = -ENODEV;
++ goto free_mem;
++ }
++ }
++
++ /* Fill in the remaining client fields and put into the global list */
++ strlcpy(client->name, "w83793", I2C_NAME_SIZE);
++
++ mutex_init(&data->update_lock);
++
++ /* Tell the I2C layer a new client has arrived */
++ if ((err = i2c_attach_client(client)))
++ goto free_mem;
++
++ if ((err = w83793_detect_subclients(adapter, address, kind, client)))
++ goto detach_client;
++
++ /* Initialize the chip */
++ w83793_init_client(client);
++
++ data->vrm = vid_which_vrm();
++ /*
++ Only fan 1-5 has their own input pins,
++ Pwm 1-3 has their own pins
++ */
++ data->has_fan = 0x1f;
++ data->has_pwm = 0x07;
++ tmp = w83793_read_value(client, W83793_REG_MFC);
++ val = w83793_read_value(client, W83793_REG_FANIN_CTRL);
++
++ /* check the function of pins 49-56 */
++ if (!(tmp & 0x80)) {
++ data->has_pwm |= 0x18; /* pwm 4,5 */
++ if (val & 0x01) { /* fan 6 */
++ data->has_fan |= 0x20;
++ data->has_pwm |= 0x20;
++ }
++ if (val & 0x02) { /* fan 7 */
++ data->has_fan |= 0x40;
++ data->has_pwm |= 0x40;
++ }
++ if (!(tmp & 0x40) && (val & 0x04)) { /* fan 8 */
++ data->has_fan |= 0x80;
++ data->has_pwm |= 0x80;
++ }
++ }
++
++ if (0x08 == (tmp & 0x0c)) {
++ if (val & 0x08) /* fan 9 */
++ data->has_fan |= 0x100;
++ if (val & 0x10) /* fan 10 */
++ data->has_fan |= 0x200;
++ }
++
++ if (0x20 == (tmp & 0x30)) {
++ if (val & 0x20) /* fan 11 */
++ data->has_fan |= 0x400;
++ if (val & 0x40) /* fan 12 */
++ data->has_fan |= 0x800;
++ }
++
++ if ((tmp & 0x01) && (val & 0x04)) { /* fan 8, second location */
++ data->has_fan |= 0x80;
++ data->has_pwm |= 0x80;
++ }
++
++ tmp = w83793_read_value(client, W83793_REG_FANIN_SEL);
++ if ((tmp & 0x01) && (val & 0x08)) { /* fan 9, second location */
++ data->has_fan |= 0x100;
++ }
++ if ((tmp & 0x02) && (val & 0x10)) { /* fan 10, second location */
++ data->has_fan |= 0x200;
++ }
++ if ((tmp & 0x04) && (val & 0x20)) { /* fan 11, second location */
++ data->has_fan |= 0x400;
++ }
++ if ((tmp & 0x08) && (val & 0x40)) { /* fan 12, second location */
++ data->has_fan |= 0x800;
++ }
++
++ /* check the temp1-6 mode, ignore former AMDSI selected inputs */
++ tmp = w83793_read_value(client,W83793_REG_TEMP_MODE[0]);
++ if (tmp & 0x01)
++ data->has_temp |= 0x01;
++ if (tmp & 0x04)
++ data->has_temp |= 0x02;
++ if (tmp & 0x10)
++ data->has_temp |= 0x04;
++ if (tmp & 0x40)
++ data->has_temp |= 0x08;
++
++ tmp = w83793_read_value(client,W83793_REG_TEMP_MODE[1]);
++ if (tmp & 0x01)
++ data->has_temp |= 0x10;
++ if (tmp & 0x02)
++ data->has_temp |= 0x20;
++
++ /* Detect the VID usage and ignore unused input */
++ tmp = w83793_read_value(client, W83793_REG_MFC);
++ if (!(tmp & 0x29))
++ data->has_vid |= 0x1; /* has VIDA */
++ if (tmp & 0x80)
++ data->has_vid |= 0x2; /* has VIDB */
++
++ /* Register sysfs hooks */
++ for (i = 0; i < ARRAY_SIZE(w83793_sensor_attr_2); i++) {
++ err = device_create_file(dev,
++ &w83793_sensor_attr_2[i].dev_attr);
++ if (err)
++ goto exit_remove;
++ }
++
++ for (i = 0; i < ARRAY_SIZE(w83793_vid); i++) {
++ if (!(data->has_vid & (1 << i)))
++ continue;
++ err = device_create_file(dev, &w83793_vid[i].dev_attr);
++ if (err)
++ goto exit_remove;
++ }
++
++ for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) {
++ err = device_create_file(dev, &sda_single_files[i].dev_attr);
++ if (err)
++ goto exit_remove;
++
++ }
++
++ for (i = 0; i < 6; i++) {
++ int j;
++ if (!(data->has_temp & (1 << i)))
++ continue;
++ for (j = 0; j < files_temp; j++) {
++ err = device_create_file(dev,
++ &w83793_temp[(i) * files_temp
++ + j].dev_attr);
++ if (err)
++ goto exit_remove;
++ }
++ }
++
++ for (i = 5; i < 12; i++) {
++ int j;
++ if (!(data->has_fan & (1 << i)))
++ continue;
++ for (j = 0; j < files_fan; j++) {
++ err = device_create_file(dev,
++ &w83793_left_fan[(i - 5) * files_fan
++ + j].dev_attr);
++ if (err)
++ goto exit_remove;
++ }
++ }
++
++ for (i = 3; i < 8; i++) {
++ int j;
++ if (!(data->has_pwm & (1 << i)))
++ continue;
++ for (j = 0; j < files_pwm; j++) {
++ err = device_create_file(dev,
++ &w83793_left_pwm[(i - 3) * files_pwm
++ + j].dev_attr);
++ if (err)
++ goto exit_remove;
++ }
++ }
++
++ data->class_dev = hwmon_device_register(dev);
++ if (IS_ERR(data->class_dev)) {
++ err = PTR_ERR(data->class_dev);
++ goto exit_remove;
++ }
++
++ return 0;
++
++ /* Unregister sysfs hooks */
++
++exit_remove:
++ for (i = 0; i < ARRAY_SIZE(w83793_sensor_attr_2); i++)
++ device_remove_file(dev, &w83793_sensor_attr_2[i].dev_attr);
++
++ for (i = 0; i < ARRAY_SIZE(sda_single_files); i++)
++ device_remove_file(dev, &sda_single_files[i].dev_attr);
++
++ for (i = 0; i < ARRAY_SIZE(w83793_vid); i++)
++ device_remove_file(dev, &w83793_vid[i].dev_attr);
++
++ for (i = 0; i < ARRAY_SIZE(w83793_left_fan); i++)
++ device_remove_file(dev, &w83793_left_fan[i].dev_attr);
++
++ for (i = 0; i < ARRAY_SIZE(w83793_left_pwm); i++)
++ device_remove_file(dev, &w83793_left_pwm[i].dev_attr);
++
++ for (i = 0; i < ARRAY_SIZE(w83793_temp); i++)
++ device_remove_file(dev, &w83793_temp[i].dev_attr);
++
++ if (data->lm75[0] != NULL) {
++ i2c_detach_client(data->lm75[0]);
++ kfree(data->lm75[0]);
++ }
++ if (data->lm75[1] != NULL) {
++ i2c_detach_client(data->lm75[1]);
++ kfree(data->lm75[1]);
++ }
++detach_client:
++ i2c_detach_client(client);
++free_mem:
++ kfree(data);
++exit:
++ return err;
++}
++
++static void w83793_update_nonvolatile(struct device *dev)
++{
++ struct i2c_client *client = to_i2c_client(dev);
++ struct w83793_data *data = i2c_get_clientdata(client);
++ int i, j;
++ /*
++ They are somewhat "stable" registers, and to update them everytime
++ takes so much time, it's just not worthy. Update them in a long
++ interval to avoid exception.
++ */
++ if (!(time_after(jiffies, data->last_nonvolatile + HZ * 300)
++ || !data->valid))
++ return;
++ /* update voltage limits */
++ for (i = 1; i < 3; i++) {
++ for (j = 0; j < ARRAY_SIZE(data->in); j++) {
++ data->in[j][i] =
++ w83793_read_value(client, W83793_REG_IN[j][i]);
++ }
++ data->in_low_bits[i] =
++ w83793_read_value(client, W83793_REG_IN_LOW_BITS[i]);
++ }
++
++ for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) {
++ /* Update the Fan measured value and limits */
++ if (!(data->has_fan & (1 << i))) {
++ continue;
++ }
++ data->fan_min[i] =
++ w83793_read_value(client, W83793_REG_FAN_MIN(i)) << 8;
++ data->fan_min[i] |=
++ w83793_read_value(client, W83793_REG_FAN_MIN(i) + 1);
++ }
++
++ for (i = 0; i < ARRAY_SIZE(data->temp_fan_map); i++) {
++ if (!(data->has_temp & (1 << i)))
++ continue;
++ data->temp_fan_map[i] =
++ w83793_read_value(client, W83793_REG_TEMP_FAN_MAP(i));
++ for (j = 1; j < 5; j++) {
++ data->temp[i][j] =
++ w83793_read_value(client, W83793_REG_TEMP[i][j]);
++ }
++ data->temp_cruise[i] =
++ w83793_read_value(client, W83793_REG_TEMP_CRUISE(i));
++ for (j = 0; j < 7; j++) {
++ data->sf2_pwm[i][j] =
++ w83793_read_value(client, W83793_REG_SF2_PWM(i, j));
++ data->sf2_temp[i][j] =
++ w83793_read_value(client,
++ W83793_REG_SF2_TEMP(i, j));
++ }
++ }
++
++ for (i = 0; i < ARRAY_SIZE(data->temp_mode); i++)
++ data->temp_mode[i] =
++ w83793_read_value(client, W83793_REG_TEMP_MODE[i]);
++
++ for (i = 0; i < ARRAY_SIZE(data->tolerance); i++) {
++ data->tolerance[i] =
++ w83793_read_value(client, W83793_REG_TEMP_TOL(i));
++ }
++
++ for (i = 0; i < ARRAY_SIZE(data->pwm); i++) {
++ if (!(data->has_pwm & (1 << i)))
++ continue;
++ data->pwm[i][PWM_NONSTOP] =
++ w83793_read_value(client, W83793_REG_PWM(i, PWM_NONSTOP));
++ data->pwm[i][PWM_START] =
++ w83793_read_value(client, W83793_REG_PWM(i, PWM_START));
++ data->pwm_stop_time[i] =
++ w83793_read_value(client, W83793_REG_PWM_STOP_TIME(i));
++ }
++
++ data->pwm_default = w83793_read_value(client, W83793_REG_PWM_DEFAULT);
++ data->pwm_enable = w83793_read_value(client, W83793_REG_PWM_ENABLE);
++ data->pwm_uptime = w83793_read_value(client, W83793_REG_PWM_UPTIME);
++ data->pwm_downtime = w83793_read_value(client, W83793_REG_PWM_DOWNTIME);
++ data->temp_critical =
++ w83793_read_value(client, W83793_REG_TEMP_CRITICAL);
++ data->beep_enable = w83793_read_value(client, W83793_REG_OVT_BEEP);
++
++ for (i = 0; i < ARRAY_SIZE(data->beeps); i++) {
++ data->beeps[i] = w83793_read_value(client, W83793_REG_BEEP(i));
++ }
++
++ data->last_nonvolatile = jiffies;
++}
++
++static struct w83793_data *w83793_update_device(struct device *dev)
++{
++ struct i2c_client *client = to_i2c_client(dev);
++ struct w83793_data *data = i2c_get_clientdata(client);
++ int i;
++
++ mutex_lock(&data->update_lock);
++
++ if (!(time_after(jiffies, data->last_updated + HZ * 2)
++ || !data->valid))
++ goto END;
++
++ /* Update the voltages measured value and limits */
++ for (i = 0; i < ARRAY_SIZE(data->in); i++)
++ data->in[i][IN_READ] =
++ w83793_read_value(client, W83793_REG_IN[i][IN_READ]);
++
++ data->in_low_bits[IN_READ] =
++ w83793_read_value(client, W83793_REG_IN_LOW_BITS[IN_READ]);
++
++ for (i = 0; i < ARRAY_SIZE(data->fan); i++) {
++ if (!(data->has_fan & (1 << i))) {
++ continue;
++ }
++ data->fan[i] =
++ w83793_read_value(client, W83793_REG_FAN(i)) << 8;
++ data->fan[i] |=
++ w83793_read_value(client, W83793_REG_FAN(i) + 1);
++ }
++
++ for (i = 0; i < ARRAY_SIZE(data->temp); i++) {
++ if (!(data->has_temp & (1 << i)))
++ continue;
++ data->temp[i][TEMP_READ] =
++ w83793_read_value(client, W83793_REG_TEMP[i][TEMP_READ]);
++ }
++
++ data->temp_low_bits =
++ w83793_read_value(client, W83793_REG_TEMP_LOW_BITS);
++
++ for (i = 0; i < ARRAY_SIZE(data->pwm); i++) {
++ if (data->has_pwm & (1 << i))
++ data->pwm[i][PWM_DUTY] =
++ w83793_read_value(client,
++ W83793_REG_PWM(i, PWM_DUTY));
++ }
++
++ for (i = 0; i < ARRAY_SIZE(data->alarms); i++)
++ data->alarms[i] =
++ w83793_read_value(client, W83793_REG_ALARM(i));
++ if (data->has_vid & 0x01)
++ data->vid[0] = w83793_read_value(client, W83793_REG_VID_INA);
++ if (data->has_vid & 0x02)
++ data->vid[1] = w83793_read_value(client, W83793_REG_VID_INB);
++ w83793_update_nonvolatile(dev);
++ data->last_updated = jiffies;
++ data->valid = 1;
++
++END:
++ mutex_unlock(&data->update_lock);
++ return data;
++}
++
++/* Ignore the possibility that somebody change bank outside the driver
++ Must be called with data->update_lock held, except during initialization */
++static u8 w83793_read_value(struct i2c_client *client, u16 reg)
++{
++ struct w83793_data *data = i2c_get_clientdata(client);
++ u8 res = 0xff;
++ u8 new_bank = reg >> 8;
++
++ new_bank |= data->bank & 0xfc;
++ if (data->bank != new_bank) {
++ if (i2c_smbus_write_byte_data
++ (client, W83793_REG_BANKSEL, new_bank) >= 0)
++ data->bank = new_bank;
++ else {
++ dev_err(&client->dev,
++ "set bank to %d failed, fall back "
++ "to bank %d, read reg 0x%x error\n",
++ new_bank, data->bank, reg);
++ res = 0x0; /* read 0x0 from the chip */
++ goto END;
++ }
++ }
++ res = i2c_smbus_read_byte_data(client, reg & 0xff);
++END:
++ return res;
++}
++
++/* Must be called with data->update_lock held, except during initialization */
++static int w83793_write_value(struct i2c_client *client, u16 reg, u8 value)
++{
++ struct w83793_data *data = i2c_get_clientdata(client);
++ int res;
++ u8 new_bank = reg >> 8;
++
++ new_bank |= data->bank & 0xfc;
++ if (data->bank != new_bank) {
++ if ((res = i2c_smbus_write_byte_data
++ (client, W83793_REG_BANKSEL, new_bank)) >= 0)
++ data->bank = new_bank;
++ else {
++ dev_err(&client->dev,
++ "set bank to %d failed, fall back "
++ "to bank %d, write reg 0x%x error\n",
++ new_bank, data->bank, reg);
++ goto END;
++ }
++ }
++
++ res = i2c_smbus_write_byte_data(client, reg & 0xff, value);
++END:
++ return res;
++}
++
++static int __init sensors_w83793_init(void)
++{
++ return i2c_add_driver(&w83793_driver);
++}
++
++static void __exit sensors_w83793_exit(void)
++{
++ i2c_del_driver(&w83793_driver);
++}
++
++MODULE_AUTHOR("Yuan Mu");
++MODULE_DESCRIPTION("w83793 driver");
++MODULE_LICENSE("GPL");
++
++module_init(sensors_w83793_init);
++module_exit(sensors_w83793_exit);
+diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
+index 5a07631..23b7eac 100644
+--- a/drivers/hwmon/Kconfig
++++ b/drivers/hwmon/Kconfig
+@@ -488,6 +488,16 @@ config SENSORS_W83792D
+ This driver can also be built as a module. If so, the module
+ will be called w83792d.
+
++config SENSORS_W83793
++ tristate "Winbond W83793"
++ depends on HWMON && I2C && EXPERIMENTAL
++ help
++ If you say yes here you get support for the Winbond W83793
++ hardware monitoring chip.
++
++ This driver can also be built as a module. If so, the module
++ will be called w83793.
++
+ config SENSORS_W83L785TS
+ tristate "Winbond W83L785TS-S"
+ depends on HWMON && I2C && EXPERIMENTAL
Added: dists/etch/linux-2.6/debian/patches/series/16
==============================================================================
--- (empty file)
+++ dists/etch/linux-2.6/debian/patches/series/16 Tue Oct 2 11:31:24 2007
@@ -0,0 +1 @@
++ features/drivers-hwmon-w83793.patch
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