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-rw-r--r--drivers/hwmon/Kconfig12
-rw-r--r--drivers/hwmon/Makefile1
-rw-r--r--drivers/hwmon/adt7462.c4
-rw-r--r--drivers/hwmon/amc6821.c1115
-rw-r--r--drivers/hwmon/asus_atk0110.c304
-rw-r--r--drivers/hwmon/coretemp.c16
-rw-r--r--drivers/hwmon/fschmd.c7
-rw-r--r--drivers/hwmon/k10temp.c40
-rw-r--r--drivers/hwmon/k8temp.c2
-rw-r--r--drivers/hwmon/lm78.c25
-rw-r--r--drivers/hwmon/sis5595.c2
-rw-r--r--drivers/hwmon/smsc47m1.c2
-rw-r--r--drivers/hwmon/via686a.c2
-rw-r--r--drivers/hwmon/vt8231.c2
-rw-r--r--drivers/hwmon/w83781d.c26
15 files changed, 1453 insertions, 107 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 46c3c566307..68cf87749a4 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -392,7 +392,7 @@ config SENSORS_GL520SM
config SENSORS_CORETEMP
tristate "Intel Core/Core2/Atom temperature sensor"
- depends on X86 && EXPERIMENTAL
+ depends on X86 && PCI && EXPERIMENTAL
help
If you say yes here you get support for the temperature
sensor inside your CPU. Most of the family 6 CPUs
@@ -792,6 +792,16 @@ config SENSORS_ADS7828
This driver can also be built as a module. If so, the module
will be called ads7828.
+config SENSORS_AMC6821
+ tristate "Texas Instruments AMC6821"
+ depends on I2C && EXPERIMENTAL
+ help
+ If you say yes here you get support for the Texas Instruments
+ AMC6821 hardware monitoring chips.
+
+ This driver can also be build as a module. If so, the module
+ will be called amc6821.
+
config SENSORS_THMC50
tristate "Texas Instruments THMC50 / Analog Devices ADM1022"
depends on I2C && EXPERIMENTAL
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index 450c8e89427..4bc215c0953 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -86,6 +86,7 @@ obj-$(CONFIG_SENSORS_SIS5595) += sis5595.o
obj-$(CONFIG_SENSORS_SMSC47B397)+= smsc47b397.o
obj-$(CONFIG_SENSORS_SMSC47M1) += smsc47m1.o
obj-$(CONFIG_SENSORS_SMSC47M192)+= smsc47m192.o
+obj-$(CONFIG_SENSORS_AMC6821) += amc6821.o
obj-$(CONFIG_SENSORS_THMC50) += thmc50.o
obj-$(CONFIG_SENSORS_TMP401) += tmp401.o
obj-$(CONFIG_SENSORS_TMP421) += tmp421.o
diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c
index a1a7ef14b51..b8156b4893b 100644
--- a/drivers/hwmon/adt7462.c
+++ b/drivers/hwmon/adt7462.c
@@ -94,7 +94,7 @@ static const unsigned short normal_i2c[] = { 0x58, 0x5C, I2C_CLIENT_END };
#define ADT7462_PIN24_SHIFT 6
#define ADT7462_PIN26_VOLT_INPUT 0x08
#define ADT7462_PIN25_VOLT_INPUT 0x20
-#define ADT7462_PIN28_SHIFT 6 /* cfg3 */
+#define ADT7462_PIN28_SHIFT 4 /* cfg3 */
#define ADT7462_PIN28_VOLT 0x5
#define ADT7462_REG_ALARM1 0xB8
@@ -179,7 +179,7 @@ static const unsigned short normal_i2c[] = { 0x58, 0x5C, I2C_CLIENT_END };
*
* Some, but not all, of these voltages have low/high limits.
*/
-#define ADT7462_VOLT_COUNT 12
+#define ADT7462_VOLT_COUNT 13
#define ADT7462_VENDOR 0x41
#define ADT7462_DEVICE 0x62
diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c
new file mode 100644
index 00000000000..fa9708c2d72
--- /dev/null
+++ b/drivers/hwmon/amc6821.c
@@ -0,0 +1,1115 @@
+/*
+ amc6821.c - Part of lm_sensors, Linux kernel modules for hardware
+ monitoring
+ Copyright (C) 2009 T. Mertelj <tomaz.mertelj@guest.arnes.si>
+
+ Based on max6650.c:
+ Copyright (C) 2007 Hans J. Koch <hjk@linutronix.de>
+
+ 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.
+*/
+
+
+#include <linux/kernel.h> /* Needed for KERN_INFO */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/err.h>
+#include <linux/mutex.h>
+
+
+/*
+ * Addresses to scan.
+ */
+
+static const unsigned short normal_i2c[] = {0x18, 0x19, 0x1a, 0x2c, 0x2d, 0x2e,
+ 0x4c, 0x4d, 0x4e, I2C_CLIENT_END};
+
+
+
+/*
+ * Insmod parameters
+ */
+
+static int pwminv = 0; /*Inverted PWM output. */
+module_param(pwminv, int, S_IRUGO);
+
+static int init = 1; /*Power-on initialization.*/
+module_param(init, int, S_IRUGO);
+
+
+enum chips { amc6821 };
+
+#define AMC6821_REG_DEV_ID 0x3D
+#define AMC6821_REG_COMP_ID 0x3E
+#define AMC6821_REG_CONF1 0x00
+#define AMC6821_REG_CONF2 0x01
+#define AMC6821_REG_CONF3 0x3F
+#define AMC6821_REG_CONF4 0x04
+#define AMC6821_REG_STAT1 0x02
+#define AMC6821_REG_STAT2 0x03
+#define AMC6821_REG_TDATA_LOW 0x08
+#define AMC6821_REG_TDATA_HI 0x09
+#define AMC6821_REG_LTEMP_HI 0x0A
+#define AMC6821_REG_RTEMP_HI 0x0B
+#define AMC6821_REG_LTEMP_LIMIT_MIN 0x15
+#define AMC6821_REG_LTEMP_LIMIT_MAX 0x14
+#define AMC6821_REG_RTEMP_LIMIT_MIN 0x19
+#define AMC6821_REG_RTEMP_LIMIT_MAX 0x18
+#define AMC6821_REG_LTEMP_CRIT 0x1B
+#define AMC6821_REG_RTEMP_CRIT 0x1D
+#define AMC6821_REG_PSV_TEMP 0x1C
+#define AMC6821_REG_DCY 0x22
+#define AMC6821_REG_LTEMP_FAN_CTRL 0x24
+#define AMC6821_REG_RTEMP_FAN_CTRL 0x25
+#define AMC6821_REG_DCY_LOW_TEMP 0x21
+
+#define AMC6821_REG_TACH_LLIMITL 0x10
+#define AMC6821_REG_TACH_LLIMITH 0x11
+#define AMC6821_REG_TACH_HLIMITL 0x12
+#define AMC6821_REG_TACH_HLIMITH 0x13
+
+#define AMC6821_CONF1_START 0x01
+#define AMC6821_CONF1_FAN_INT_EN 0x02
+#define AMC6821_CONF1_FANIE 0x04
+#define AMC6821_CONF1_PWMINV 0x08
+#define AMC6821_CONF1_FAN_FAULT_EN 0x10
+#define AMC6821_CONF1_FDRC0 0x20
+#define AMC6821_CONF1_FDRC1 0x40
+#define AMC6821_CONF1_THERMOVIE 0x80
+
+#define AMC6821_CONF2_PWM_EN 0x01
+#define AMC6821_CONF2_TACH_MODE 0x02
+#define AMC6821_CONF2_TACH_EN 0x04
+#define AMC6821_CONF2_RTFIE 0x08
+#define AMC6821_CONF2_LTOIE 0x10
+#define AMC6821_CONF2_RTOIE 0x20
+#define AMC6821_CONF2_PSVIE 0x40
+#define AMC6821_CONF2_RST 0x80
+
+#define AMC6821_CONF3_THERM_FAN_EN 0x80
+#define AMC6821_CONF3_REV_MASK 0x0F
+
+#define AMC6821_CONF4_OVREN 0x10
+#define AMC6821_CONF4_TACH_FAST 0x20
+#define AMC6821_CONF4_PSPR 0x40
+#define AMC6821_CONF4_MODE 0x80
+
+#define AMC6821_STAT1_RPM_ALARM 0x01
+#define AMC6821_STAT1_FANS 0x02
+#define AMC6821_STAT1_RTH 0x04
+#define AMC6821_STAT1_RTL 0x08
+#define AMC6821_STAT1_R_THERM 0x10
+#define AMC6821_STAT1_RTF 0x20
+#define AMC6821_STAT1_LTH 0x40
+#define AMC6821_STAT1_LTL 0x80
+
+#define AMC6821_STAT2_RTC 0x08
+#define AMC6821_STAT2_LTC 0x10
+#define AMC6821_STAT2_LPSV 0x20
+#define AMC6821_STAT2_L_THERM 0x40
+#define AMC6821_STAT2_THERM_IN 0x80
+
+enum {IDX_TEMP1_INPUT = 0, IDX_TEMP1_MIN, IDX_TEMP1_MAX,
+ IDX_TEMP1_CRIT, IDX_TEMP2_INPUT, IDX_TEMP2_MIN,
+ IDX_TEMP2_MAX, IDX_TEMP2_CRIT,
+ TEMP_IDX_LEN, };
+
+static const u8 temp_reg[] = {AMC6821_REG_LTEMP_HI,
+ AMC6821_REG_LTEMP_LIMIT_MIN,
+ AMC6821_REG_LTEMP_LIMIT_MAX,
+ AMC6821_REG_LTEMP_CRIT,
+ AMC6821_REG_RTEMP_HI,
+ AMC6821_REG_RTEMP_LIMIT_MIN,
+ AMC6821_REG_RTEMP_LIMIT_MAX,
+ AMC6821_REG_RTEMP_CRIT, };
+
+enum {IDX_FAN1_INPUT = 0, IDX_FAN1_MIN, IDX_FAN1_MAX,
+ FAN1_IDX_LEN, };
+
+static const u8 fan_reg_low[] = {AMC6821_REG_TDATA_LOW,
+ AMC6821_REG_TACH_LLIMITL,
+ AMC6821_REG_TACH_HLIMITL, };
+
+
+static const u8 fan_reg_hi[] = {AMC6821_REG_TDATA_HI,
+ AMC6821_REG_TACH_LLIMITH,
+ AMC6821_REG_TACH_HLIMITH, };
+
+static int amc6821_probe(
+ struct i2c_client *client,
+ const struct i2c_device_id *id);
+static int amc6821_detect(
+ struct i2c_client *client,
+ struct i2c_board_info *info);
+static int amc6821_init_client(struct i2c_client *client);
+static int amc6821_remove(struct i2c_client *client);
+static struct amc6821_data *amc6821_update_device(struct device *dev);
+
+/*
+ * Driver data (common to all clients)
+ */
+
+static const struct i2c_device_id amc6821_id[] = {
+ { "amc6821", amc6821 },
+ { }
+};
+
+MODULE_DEVICE_TABLE(i2c, amc6821_id);
+
+static struct i2c_driver amc6821_driver = {
+ .class = I2C_CLASS_HWMON,
+ .driver = {
+ .name = "amc6821",
+ },
+ .probe = amc6821_probe,
+ .remove = amc6821_remove,
+ .id_table = amc6821_id,
+ .detect = amc6821_detect,
+ .address_list = normal_i2c,
+};
+
+
+/*
+ * Client data (each client gets its own)
+ */
+
+struct amc6821_data {
+ struct device *hwmon_dev;
+ struct mutex update_lock;
+ char valid; /* zero until following fields are valid */
+ unsigned long last_updated; /* in jiffies */
+
+ /* register values */
+ int temp[TEMP_IDX_LEN];
+
+ u16 fan[FAN1_IDX_LEN];
+ u8 fan1_div;
+
+ u8 pwm1;
+ u8 temp1_auto_point_temp[3];
+ u8 temp2_auto_point_temp[3];
+ u8 pwm1_auto_point_pwm[3];
+ u8 pwm1_enable;
+ u8 pwm1_auto_channels_temp;
+
+ u8 stat1;
+ u8 stat2;
+};
+
+
+static ssize_t get_temp(
+ struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ struct amc6821_data *data = amc6821_update_device(dev);
+ int ix = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%d\n", data->temp[ix] * 1000);
+}
+
+
+
+static ssize_t set_temp(
+ struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct amc6821_data *data = i2c_get_clientdata(client);
+ int ix = to_sensor_dev_attr(attr)->index;
+ long val;
+
+ int ret = strict_strtol(buf, 10, &val);
+ if (ret)
+ return ret;
+ val = SENSORS_LIMIT(val / 1000, -128, 127);
+
+ mutex_lock(&data->update_lock);
+ data->temp[ix] = val;
+ if (i2c_smbus_write_byte_data(client, temp_reg[ix], data->temp[ix])) {
+ dev_err(&client->dev, "Register write error, aborting.\n");
+ count = -EIO;
+ }
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+
+
+
+static ssize_t get_temp_alarm(
+ struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ struct amc6821_data *data = amc6821_update_device(dev);
+ int ix = to_sensor_dev_attr(devattr)->index;
+ u8 flag;
+
+ switch (ix) {
+ case IDX_TEMP1_MIN:
+ flag = data->stat1 & AMC6821_STAT1_LTL;
+ break;
+ case IDX_TEMP1_MAX:
+ flag = data->stat1 & AMC6821_STAT1_LTH;
+ break;
+ case IDX_TEMP1_CRIT:
+ flag = data->stat2 & AMC6821_STAT2_LTC;
+ break;
+ case IDX_TEMP2_MIN:
+ flag = data->stat1 & AMC6821_STAT1_RTL;
+ break;
+ case IDX_TEMP2_MAX:
+ flag = data->stat1 & AMC6821_STAT1_RTH;
+ break;
+ case IDX_TEMP2_CRIT:
+ flag = data->stat2 & AMC6821_STAT2_RTC;
+ break;
+ default:
+ dev_dbg(dev, "Unknown attr->index (%d).\n", ix);
+ return -EINVAL;
+ }
+ if (flag)
+ return sprintf(buf, "1");
+ else
+ return sprintf(buf, "0");
+}
+
+
+
+
+static ssize_t get_temp2_fault(
+ struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ struct amc6821_data *data = amc6821_update_device(dev);
+ if (data->stat1 & AMC6821_STAT1_RTF)
+ return sprintf(buf, "1");
+ else
+ return sprintf(buf, "0");
+}
+
+static ssize_t get_pwm1(
+ struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ struct amc6821_data *data = amc6821_update_device(dev);
+ return sprintf(buf, "%d\n", data->pwm1);
+}
+
+static ssize_t set_pwm1(
+ struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf,
+ size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct amc6821_data *data = i2c_get_clientdata(client);
+ long val;
+ int ret = strict_strtol(buf, 10, &val);
+ if (ret)
+ return ret;
+
+ mutex_lock(&data->update_lock);
+ data->pwm1 = SENSORS_LIMIT(val , 0, 255);
+ i2c_smbus_write_byte_data(client, AMC6821_REG_DCY, data->pwm1);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+static ssize_t get_pwm1_enable(
+ struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ struct amc6821_data *data = amc6821_update_device(dev);
+ return sprintf(buf, "%d\n", data->pwm1_enable);
+}
+
+static ssize_t set_pwm1_enable(
+ struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct amc6821_data *data = i2c_get_clientdata(client);
+ long val;
+ int config = strict_strtol(buf, 10, &val);
+ if (config)
+ return config;
+
+ config = i2c_smbus_read_byte_data(client, AMC6821_REG_CONF1);
+ if (config < 0) {
+ dev_err(&client->dev,
+ "Error reading configuration register, aborting.\n");
+ return -EIO;
+ }
+
+ switch (val) {
+ case 1:
+ config &= ~AMC6821_CONF1_FDRC0;
+ config &= ~AMC6821_CONF1_FDRC1;
+ break;
+ case 2:
+ config &= ~AMC6821_CONF1_FDRC0;
+ config |= AMC6821_CONF1_FDRC1;
+ break;
+ case 3:
+ config |= AMC6821_CONF1_FDRC0;
+ config |= AMC6821_CONF1_FDRC1;
+ break;
+ default:
+ return -EINVAL;
+ }
+ mutex_lock(&data->update_lock);
+ if (i2c_smbus_write_byte_data(client, AMC6821_REG_CONF1, config)) {
+ dev_err(&client->dev,
+ "Configuration register write error, aborting.\n");
+ count = -EIO;
+ }
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+
+static ssize_t get_pwm1_auto_channels_temp(
+ struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ struct amc6821_data *data = amc6821_update_device(dev);
+ return sprintf(buf, "%d\n", data->pwm1_auto_channels_temp);
+}
+
+
+static ssize_t get_temp_auto_point_temp(
+ struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ int ix = to_sensor_dev_attr_2(devattr)->index;
+ int nr = to_sensor_dev_attr_2(devattr)->nr;
+ struct amc6821_data *data = amc6821_update_device(dev);
+ switch (nr) {
+ case 1:
+ return sprintf(buf, "%d\n",
+ data->temp1_auto_point_temp[ix] * 1000);
+ break;
+ case 2:
+ return sprintf(buf, "%d\n",
+ data->temp2_auto_point_temp[ix] * 1000);
+ break;
+ default:
+ dev_dbg(dev, "Unknown attr->nr (%d).\n", nr);
+ return -EINVAL;
+ }
+}
+
+
+static ssize_t get_pwm1_auto_point_pwm(
+ struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ int ix = to_sensor_dev_attr(devattr)->index;
+ struct amc6821_data *data = amc6821_update_device(dev);
+ return sprintf(buf, "%d\n", data->pwm1_auto_point_pwm[ix]);
+}
+
+
+static inline ssize_t set_slope_register(struct i2c_client *client,
+ u8 reg,
+ u8 dpwm,
+ u8 *ptemp)
+{
+ int dt;
+ u8 tmp;
+
+ dt = ptemp[2]-ptemp[1];
+ for (tmp = 4; tmp > 0; tmp--) {
+ if (dt * (0x20 >> tmp) >= dpwm)
+ break;
+ }
+ tmp |= (ptemp[1] & 0x7C) << 1;
+ if (i2c_smbus_write_byte_data(client,
+ reg, tmp)) {
+ dev_err(&client->dev, "Register write error, aborting.\n");
+ return -EIO;
+ }
+ return 0;
+}
+
+
+
+static ssize_t set_temp_auto_point_temp(
+ struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct amc6821_data *data = amc6821_update_device(dev);
+ int ix = to_sensor_dev_attr_2(attr)->index;
+ int nr = to_sensor_dev_attr_2(attr)->nr;
+ u8 *ptemp;
+ u8 reg;
+ int dpwm;
+ long val;
+ int ret = strict_strtol(buf, 10, &val);
+ if (ret)
+ return ret;
+
+ switch (nr) {
+ case 1:
+ ptemp = data->temp1_auto_point_temp;
+ reg = AMC6821_REG_LTEMP_FAN_CTRL;
+ break;
+ case 2:
+ ptemp = data->temp2_auto_point_temp;
+ reg = AMC6821_REG_RTEMP_FAN_CTRL;
+ break;
+ default:
+ dev_dbg(dev, "Unknown attr->nr (%d).\n", nr);
+ return -EINVAL;
+ }
+
+ data->valid = 0;
+ mutex_lock(&data->update_lock);
+ switch (ix) {
+ case 0:
+ ptemp[0] = SENSORS_LIMIT(val / 1000, 0,
+ data->temp1_auto_point_temp[1]);
+ ptemp[0] = SENSORS_LIMIT(ptemp[0], 0,
+ data->temp2_auto_point_temp[1]);
+ ptemp[0] = SENSORS_LIMIT(ptemp[0], 0, 63);
+ if (i2c_smbus_write_byte_data(
+ client,
+ AMC6821_REG_PSV_TEMP,
+ ptemp[0])) {
+ dev_err(&client->dev,
+ "Register write error, aborting.\n");
+ count = -EIO;
+ }
+ goto EXIT;
+ break;
+ case 1:
+ ptemp[1] = SENSORS_LIMIT(
+ val / 1000,
+ (ptemp[0] & 0x7C) + 4,
+ 124);
+ ptemp[1] &= 0x7C;
+ ptemp[2] = SENSORS_LIMIT(
+ ptemp[2], ptemp[1] + 1,
+ 255);
+ break;
+ case 2:
+ ptemp[2] = SENSORS_LIMIT(
+ val / 1000,
+ ptemp[1]+1,
+ 255);
+ break;
+ default:
+ dev_dbg(dev, "Unknown attr->index (%d).\n", ix);
+ count = -EINVAL;
+ goto EXIT;
+ }
+ dpwm = data->pwm1_auto_point_pwm[2] - data->pwm1_auto_point_pwm[1];
+ if (set_slope_register(client, reg, dpwm, ptemp))
+ count = -EIO;
+
+EXIT:
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+
+
+static ssize_t set_pwm1_auto_point_pwm(
+ struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct amc6821_data *data = i2c_get_clientdata(client);
+ int dpwm;
+ long val;
+ int ret = strict_strtol(buf, 10, &val);
+ if (ret)
+ return ret;
+
+ mutex_lock(&data->update_lock);
+ data->pwm1_auto_point_pwm[1] = SENSORS_LIMIT(val, 0, 254);
+ if (i2c_smbus_write_byte_data(client, AMC6821_REG_DCY_LOW_TEMP,
+ data->pwm1_auto_point_pwm[1])) {
+ dev_err(&client->dev, "Register write error, aborting.\n");
+ count = -EIO;
+ goto EXIT;
+ }
+ dpwm = data->pwm1_auto_point_pwm[2] - data->pwm1_auto_point_pwm[1];
+ if (set_slope_register(client, AMC6821_REG_LTEMP_FAN_CTRL, dpwm,
+ data->temp1_auto_point_temp)) {
+ count = -EIO;
+ goto EXIT;
+ }
+ if (set_slope_register(client, AMC6821_REG_RTEMP_FAN_CTRL, dpwm,
+ data->temp2_auto_point_temp)) {
+ count = -EIO;
+ goto EXIT;
+ }
+
+EXIT:
+ data->valid = 0;
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+static ssize_t get_fan(
+ struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ struct amc6821_data *data = amc6821_update_device(dev);
+ int ix = to_sensor_dev_attr(devattr)->index;
+ if (0 == data->fan[ix])
+ return sprintf(buf, "0");
+ return sprintf(buf, "%d\n", (int)(6000000 / data->fan[ix]));
+}
+
+
+
+static ssize_t get_fan1_fault(
+ struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ struct amc6821_data *data = amc6821_update_device(dev);
+ if (data->stat1 & AMC6821_STAT1_FANS)
+ return sprintf(buf, "1");
+ else
+ return sprintf(buf, "0");
+}
+
+
+
+static ssize_t set_fan(
+ struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct amc6821_data *data = i2c_get_clientdata(client);
+ long val;
+ int ix = to_sensor_dev_attr(attr)->index;
+ int ret = strict_strtol(buf, 10, &val);
+ if (ret)
+ return ret;
+ val = 1 > val ? 0xFFFF : 6000000/val;
+
+ mutex_lock(&data->update_lock);
+ data->fan[ix] = (u16) SENSORS_LIMIT(val, 1, 0xFFFF);
+ if (i2c_smbus_write_byte_data(client, fan_reg_low[ix],
+ data->fan[ix] & 0xFF)) {
+ dev_err(&client->dev, "Register write error, aborting.\n");
+ count = -EIO;
+ goto EXIT;
+ }
+ if (i2c_smbus_write_byte_data(client,
+ fan_reg_hi[ix], data->fan[ix] >> 8)) {
+ dev_err(&client->dev, "Register write error, aborting.\n");
+ count = -EIO;
+ }
+EXIT:
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+
+
+static ssize_t get_fan1_div(
+ struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ struct amc6821_data *data = amc6821_update_device(dev);
+ return sprintf(buf, "%d\n", data->fan1_div);
+}
+
+static ssize_t set_fan1_div(
+ struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct amc6821_data *data = i2c_get_clientdata(client);
+ long val;
+ int config = strict_strtol(buf, 10, &val);
+ if (config)
+ return config;
+
+ config = i2c_smbus_read_byte_data(client, AMC6821_REG_CONF4);
+ if (config < 0) {
+ dev_err(&client->dev,
+ "Error reading configuration register, aborting.\n");
+ return -EIO;
+ }
+ mutex_lock(&data->update_lock);
+ switch (val) {
+ case 2:
+ config &= ~AMC6821_CONF4_PSPR;
+ data->fan1_div = 2;
+ break;
+ case 4:
+ config |= AMC6821_CONF4_PSPR;
+ data->fan1_div = 4;
+ break;
+ default:
+ count = -EINVAL;
+ goto EXIT;
+ }
+ if (i2c_smbus_write_byte_data(client, AMC6821_REG_CONF4, config)) {
+ dev_err(&client->dev,
+ "Configuration register write error, aborting.\n");
+ count = -EIO;
+ }
+EXIT:
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+
+
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO,
+ get_temp, NULL, IDX_TEMP1_INPUT);
+static SENSOR_DEVICE_ATTR(temp1_min, S_IRUGO | S_IWUSR, get_temp,
+ set_temp, IDX_TEMP1_MIN);
+static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, get_temp,
+ set_temp, IDX_TEMP1_MAX);
+static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO | S_IWUSR, get_temp,
+ set_temp, IDX_TEMP1_CRIT);
+static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO,
+ get_temp_alarm, NULL, IDX_TEMP1_MIN);
+static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO,
+ get_temp_alarm, NULL, IDX_TEMP1_MAX);
+static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO,
+ get_temp_alarm, NULL, IDX_TEMP1_CRIT);
+static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO | S_IWUSR,
+ get_temp, NULL, IDX_TEMP2_INPUT);
+static SENSOR_DEVICE_ATTR(temp2_min, S_IRUGO | S_IWUSR, get_temp,
+ set_temp, IDX_TEMP2_MIN);
+static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO | S_IWUSR, get_temp,
+ set_temp, IDX_TEMP2_MAX);
+static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO | S_IWUSR, get_temp,
+ set_temp, IDX_TEMP2_CRIT);
+static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO,
+ get_temp2_fault, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_min_alarm, S_IRUGO,
+ get_temp_alarm, NULL, IDX_TEMP2_MIN);
+static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO,
+ get_temp_alarm, NULL, IDX_TEMP2_MAX);
+static SENSOR_DEVICE_ATTR(temp2_crit_alarm, S_IRUGO,
+ get_temp_alarm, NULL, IDX_TEMP2_CRIT);
+static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, get_fan, NULL, IDX_FAN1_INPUT);
+static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR,
+ get_fan, set_fan, IDX_FAN1_MIN);
+static SENSOR_DEVICE_ATTR(fan1_max, S_IRUGO | S_IWUSR,
+ get_fan, set_fan, IDX_FAN1_MAX);
+static SENSOR_DEVICE_ATTR(fan1_fault, S_IRUGO, get_fan1_fault, NULL, 0);
+static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR,
+ get_fan1_div, set_fan1_div, 0);
+
+static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, get_pwm1, set_pwm1, 0);
+static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO,
+ get_pwm1_enable, set_pwm1_enable, 0);
+static SENSOR_DEVICE_ATTR(pwm1_auto_point1_pwm, S_IRUGO,
+ get_pwm1_auto_point_pwm, NULL, 0);
+static SENSOR_DEVICE_ATTR(pwm1_auto_point2_pwm, S_IWUSR | S_IRUGO,
+ get_pwm1_auto_point_pwm, set_pwm1_auto_point_pwm, 1);
+static SENSOR_DEVICE_ATTR(pwm1_auto_point3_pwm, S_IRUGO,
+ get_pwm1_auto_point_pwm, NULL, 2);
+static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, S_IRUGO,
+ get_pwm1_auto_channels_temp, NULL, 0);
+static SENSOR_DEVICE_ATTR_2(temp1_auto_point1_temp, S_IRUGO,
+ get_temp_auto_point_temp, NULL, 1, 0);
+static SENSOR_DEVICE_ATTR_2(temp1_auto_point2_temp, S_IWUSR | S_IRUGO,
+ get_temp_auto_point_temp, set_temp_auto_point_temp, 1, 1);
+static SENSOR_DEVICE_ATTR_2(temp1_auto_point3_temp, S_IWUSR | S_IRUGO,
+ get_temp_auto_point_temp, set_temp_auto_point_temp, 1, 2);
+
+static SENSOR_DEVICE_ATTR_2(temp2_auto_point1_temp, S_IWUSR | S_IRUGO,
+ get_temp_auto_point_temp, set_temp_auto_point_temp, 2, 0);
+static SENSOR_DEVICE_ATTR_2(temp2_auto_point2_temp, S_IWUSR | S_IRUGO,
+ get_temp_auto_point_temp, set_temp_auto_point_temp, 2, 1);
+static SENSOR_DEVICE_ATTR_2(temp2_auto_point3_temp, S_IWUSR | S_IRUGO,
+ get_temp_auto_point_temp, set_temp_auto_point_temp, 2, 2);
+
+
+
+static struct attribute *amc6821_attrs[] = {
+ &sensor_dev_attr_temp1_input.dev_attr.attr,
+ &sensor_dev_attr_temp1_min.dev_attr.attr,
+ &sensor_dev_attr_temp1_max.dev_attr.attr,
+ &sensor_dev_attr_temp1_crit.dev_attr.attr,
+ &sensor_dev_attr_temp1_min_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp2_input.dev_attr.attr,
+ &sensor_dev_attr_temp2_min.dev_attr.attr,
+ &sensor_dev_attr_temp2_max.dev_attr.attr,
+ &sensor_dev_attr_temp2_crit.dev_attr.attr,
+ &sensor_dev_attr_temp2_min_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp2_max_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp2_crit_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp2_fault.dev_attr.attr,
+ &sensor_dev_attr_fan1_input.dev_attr.attr,
+ &sensor_dev_attr_fan1_min.dev_attr.attr,
+ &sensor_dev_attr_fan1_max.dev_attr.attr,
+ &sensor_dev_attr_fan1_fault.dev_attr.attr,
+ &sensor_dev_attr_fan1_div.dev_attr.attr,
+ &sensor_dev_attr_pwm1.dev_attr.attr,
+ &sensor_dev_attr_pwm1_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr,
+ &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr,
+ &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr,
+ &sensor_dev_attr_temp1_auto_point3_temp.dev_attr.attr,
+ &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr,
+ &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr,
+ &sensor_dev_attr_temp2_auto_point3_temp.dev_attr.attr,
+ NULL
+};
+
+static struct attribute_group amc6821_attr_grp = {
+ .attrs = amc6821_attrs,
+};
+
+
+
+/* Return 0 if detection is successful, -ENODEV otherwise */
+static int amc6821_detect(
+ struct i2c_client *client,
+ struct i2c_board_info *info)
+{
+ struct i2c_adapter *adapter = client->adapter;
+ int address = client->addr;
+ int dev_id, comp_id;
+
+ dev_dbg(&adapter->dev, "amc6821_detect called.\n");
+
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
+ dev_dbg(&adapter->dev,
+ "amc6821: I2C bus doesn't support byte mode, "
+ "skipping.\n");
+ return -ENODEV;
+ }
+
+ dev_id = i2c_smbus_read_byte_data(client, AMC6821_REG_DEV_ID);
+ comp_id = i2c_smbus_read_byte_data(client, AMC6821_REG_COMP_ID);
+ if (dev_id != 0x21 || comp_id != 0x49) {
+ dev_dbg(&adapter->dev,
+ "amc6821: detection failed at 0x%02x.\n",
+ address);
+ return -ENODEV;
+ }
+
+ /* Bit 7 of the address register is ignored, so we can check the
+ ID registers again */
+ dev_id = i2c_smbus_read_byte_data(client, 0x80 | AMC6821_REG_DEV_ID);
+ comp_id = i2c_smbus_read_byte_data(client, 0x80 | AMC6821_REG_COMP_ID);
+ if (dev_id != 0x21 || comp_id != 0x49) {
+ dev_dbg(&adapter->dev,
+ "amc6821: detection failed at 0x%02x.\n",
+ address);
+ return -ENODEV;
+ }
+
+ dev_info(&adapter->dev, "amc6821: chip found at 0x%02x.\n", address);
+ strlcpy(info->type, "amc6821", I2C_NAME_SIZE);
+
+ return 0;
+}
+
+static int amc6821_probe(
+ struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct amc6821_data *data;
+ int err;
+
+ data = kzalloc(sizeof(struct amc6821_data), GFP_KERNEL);
+ if (!data) {
+ dev_err(&client->dev, "out of memory.\n");
+ return -ENOMEM;
+ }
+
+
+ i2c_set_clientdata(client, data);
+ mutex_init(&data->update_lock);
+
+ /*
+ * Initialize the amc6821 chip
+ */
+ err = amc6821_init_client(client);
+ if (err)
+ goto err_free;
+
+ err = sysfs_create_group(&client->dev.kobj, &amc6821_attr_grp);
+ if (err)
+ goto err_free;
+
+ data->hwmon_dev = hwmon_device_register(&client->dev);
+ if (!IS_ERR(data->hwmon_dev))
+ return 0;
+
+ err = PTR_ERR(data->hwmon_dev);
+ dev_err(&client->dev, "error registering hwmon device.\n");
+ sysfs_remove_group(&client->dev.kobj, &amc6821_attr_grp);
+err_free:
+ kfree(data);
+ return err;
+}
+
+static int amc6821_remove(struct i2c_client *client)
+{
+ struct amc6821_data *data = i2c_get_clientdata(client);
+
+ hwmon_device_unregister(data->hwmon_dev);
+ sysfs_remove_group(&client->dev.kobj, &amc6821_attr_grp);
+
+ kfree(data);
+
+ return 0;
+}
+
+
+static int amc6821_init_client(struct i2c_client *client)
+{
+ int config;
+ int err = -EIO;
+
+ if (init) {
+ config = i2c_smbus_read_byte_data(client, AMC6821_REG_CONF4);
+
+ if (config < 0) {
+ dev_err(&client->dev,
+ "Error reading configuration register, aborting.\n");
+ return err;
+ }
+
+ config |= AMC6821_CONF4_MODE;
+
+ if (i2c_smbus_write_byte_data(client, AMC6821_REG_CONF4,
+ config)) {
+ dev_err(&client->dev,
+ "Configuration register write error, aborting.\n");
+ return err;
+ }
+
+ config = i2c_smbus_read_byte_data(client, AMC6821_REG_CONF3);
+
+ if (config < 0) {
+ dev_err(&client->dev,
+ "Error reading configuration register, aborting.\n");
+ return err;
+ }
+
+ dev_info(&client->dev, "Revision %d\n", config & 0x0f);
+
+ config &= ~AMC6821_CONF3_THERM_FAN_EN;
+
+ if (i2c_smbus_write_byte_data(client, AMC6821_REG_CONF3,
+ config)) {
+ dev_err(&client->dev,
+ "Configuration register write error, aborting.\n");
+ return err;
+ }
+
+ config = i2c_smbus_read_byte_data(client, AMC6821_REG_CONF2);
+
+ if (config < 0) {
+ dev_err(&client->dev,
+ "Error reading configuration register, aborting.\n");
+ return err;
+ }
+
+ config &= ~AMC6821_CONF2_RTFIE;
+ config &= ~AMC6821_CONF2_LTOIE;
+ config &= ~AMC6821_CONF2_RTOIE;
+ if (i2c_smbus_write_byte_data(client,
+ AMC6821_REG_CONF2, config)) {
+ dev_err(&client->dev,
+ "Configuration register write error, aborting.\n");
+ return err;
+ }
+
+ config = i2c_smbus_read_byte_data(client, AMC6821_REG_CONF1);
+
+ if (config < 0) {
+ dev_err(&client->dev,
+ "Error reading configuration register, aborting.\n");
+ return err;
+ }
+
+ config &= ~AMC6821_CONF1_THERMOVIE;
+ config &= ~AMC6821_CONF1_FANIE;
+ config |= AMC6821_CONF1_START;
+ if (pwminv)
+ config |= AMC6821_CONF1_PWMINV;
+ else
+ config &= ~AMC6821_CONF1_PWMINV;
+
+ if (i2c_smbus_write_byte_data(
+ client, AMC6821_REG_CONF1, config)) {
+ dev_err(&client->dev,
+ "Configuration register write error, aborting.\n");
+ return err;
+ }
+ }
+ return 0;
+}
+
+
+static struct amc6821_data *amc6821_update_device(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct amc6821_data *data = i2c_get_clientdata(client);
+ int timeout = HZ;
+ u8 reg;
+ int i;
+
+ mutex_lock(&data->update_lock);
+
+ if (time_after(jiffies, data->last_updated + timeout) ||
+ !data->valid) {
+
+ for (i = 0; i < TEMP_IDX_LEN; i++)
+ data->temp[i] = i2c_smbus_read_byte_data(client,
+ temp_reg[i]);
+
+ data->stat1 = i2c_smbus_read_byte_data(client,
+ AMC6821_REG_STAT1);
+ data->stat2 = i2c_smbus_read_byte_data(client,
+ AMC6821_REG_STAT2);
+
+ data->pwm1 = i2c_smbus_read_byte_data(client,
+ AMC6821_REG_DCY);
+ for (i = 0; i < FAN1_IDX_LEN; i++) {
+ data->fan[i] = i2c_smbus_read_byte_data(
+ client,
+ fan_reg_low[i]);
+ data->fan[i] += i2c_smbus_read_byte_data(
+ client,
+ fan_reg_hi[i]) << 8;
+ }
+ data->fan1_div = i2c_smbus_read_byte_data(client,
+ AMC6821_REG_CONF4);
+ data->fan1_div = data->fan1_div & AMC6821_CONF4_PSPR ? 4 : 2;
+
+ data->pwm1_auto_point_pwm[0] = 0;
+ data->pwm1_auto_point_pwm[2] = 255;
+ data->pwm1_auto_point_pwm[1] = i2c_smbus_read_byte_data(client,
+ AMC6821_REG_DCY_LOW_TEMP);
+
+ data->temp1_auto_point_temp[0] =
+ i2c_smbus_read_byte_data(client,
+ AMC6821_REG_PSV_TEMP);
+ data->temp2_auto_point_temp[0] =
+ data->temp1_auto_point_temp[0];
+ reg = i2c_smbus_read_byte_data(client,
+ AMC6821_REG_LTEMP_FAN_CTRL);
+ data->temp1_auto_point_temp[1] = (reg & 0xF8) >> 1;
+ reg &= 0x07;
+ reg = 0x20 >> reg;
+ if (reg > 0)
+ data->temp1_auto_point_temp[2] =
+ data->temp1_auto_point_temp[1] +
+ (data->pwm1_auto_point_pwm[2] -
+ data->pwm1_auto_point_pwm[1]) / reg;
+ else
+ data->temp1_auto_point_temp[2] = 255;
+
+ reg = i2c_smbus_read_byte_data(client,
+ AMC6821_REG_RTEMP_FAN_CTRL);
+ data->temp2_auto_point_temp[1] = (reg & 0xF8) >> 1;
+ reg &= 0x07;
+ reg = 0x20 >> reg;
+ if (reg > 0)
+ data->temp2_auto_point_temp[2] =
+ data->temp2_auto_point_temp[1] +
+ (data->pwm1_auto_point_pwm[2] -
+ data->pwm1_auto_point_pwm[1]) / reg;
+ else
+ data->temp2_auto_point_temp[2] = 255;
+
+ reg = i2c_smbus_read_byte_data(client, AMC6821_REG_CONF1);
+ reg = (reg >> 5) & 0x3;
+ switch (reg) {
+ case 0: /*open loop: software sets pwm1*/
+ data->pwm1_auto_channels_temp = 0;
+ data->pwm1_enable = 1;
+ break;
+ case 2: /*closed loop: remote T (temp2)*/
+ data->pwm1_auto_channels_temp = 2;
+ data->pwm1_enable = 2;
+ break;
+ case 3: /*closed loop: local and remote T (temp2)*/
+ data->pwm1_auto_channels_temp = 3;
+ data->pwm1_enable = 3;
+ break;
+ case 1: /*semi-open loop: software sets rpm, chip controls pwm1,
+ *currently not implemented
+ */
+ data->pwm1_auto_channels_temp = 0;
+ data->pwm1_enable = 0;
+ break;
+ }
+
+ data->last_updated = jiffies;
+ data->valid = 1;
+ }
+ mutex_unlock(&data->update_lock);
+ return data;
+}
+
+
+static int __init amc6821_init(void)
+{
+ return i2c_add_driver(&amc6821_driver);
+}
+
+static void __exit amc6821_exit(void)
+{
+ i2c_del_driver(&amc6821_driver);
+}
+
+module_init(amc6821_init);
+module_exit(amc6821_exit);
+
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("T. Mertelj <tomaz.mertelj@guest.arnes.si>");
+MODULE_DESCRIPTION("Texas Instruments amc6821 hwmon driver");
diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c
index 5a3ee00c0e7..028284f544e 100644
--- a/drivers/hwmon/asus_atk0110.c
+++ b/drivers/hwmon/asus_atk0110.c
@@ -5,6 +5,7 @@
* See COPYING in the top level directory of the kernel tree.
*/
+#include <linux/debugfs.h>
#include <linux/kernel.h>
#include <linux/hwmon.h>
#include <linux/list.h>
@@ -101,6 +102,11 @@ struct atk_data {
int temperature_count;
int fan_count;
struct list_head sensor_list;
+
+ struct {
+ struct dentry *root;
+ u32 id;
+ } debugfs;
};
@@ -624,6 +630,187 @@ static int atk_read_value(struct atk_sensor_data *sensor, u64 *value)
return err;
}
+#ifdef CONFIG_DEBUG_FS
+static int atk_debugfs_gitm_get(void *p, u64 *val)
+{
+ struct atk_data *data = p;
+ union acpi_object *ret;
+ struct atk_acpi_ret_buffer *buf;
+ int err = 0;
+
+ if (!data->read_handle)
+ return -ENODEV;
+
+ if (!data->debugfs.id)
+ return -EINVAL;
+
+ ret = atk_gitm(data, data->debugfs.id);
+ if (IS_ERR(ret))
+ return PTR_ERR(ret);
+
+ buf = (struct atk_acpi_ret_buffer *)ret->buffer.pointer;
+ if (buf->flags)
+ *val = buf->value;
+ else
+ err = -EIO;
+
+ return err;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(atk_debugfs_gitm,
+ atk_debugfs_gitm_get,
+ NULL,
+ "0x%08llx\n")
+
+static int atk_acpi_print(char *buf, size_t sz, union acpi_object *obj)
+{
+ int ret = 0;
+
+ switch (obj->type) {
+ case ACPI_TYPE_INTEGER:
+ ret = snprintf(buf, sz, "0x%08llx\n", obj->integer.value);
+ break;
+ case ACPI_TYPE_STRING:
+ ret = snprintf(buf, sz, "%s\n", obj->string.pointer);
+ break;
+ }
+
+ return ret;
+}
+
+static void atk_pack_print(char *buf, size_t sz, union acpi_object *pack)
+{
+ int ret;
+ int i;
+
+ for (i = 0; i < pack->package.count; i++) {
+ union acpi_object *obj = &pack->package.elements[i];
+
+ ret = atk_acpi_print(buf, sz, obj);
+ if (ret >= sz)
+ break;
+ buf += ret;
+ sz -= ret;
+ }
+}
+
+static int atk_debugfs_ggrp_open(struct inode *inode, struct file *file)
+{
+ struct atk_data *data = inode->i_private;
+ char *buf = NULL;
+ union acpi_object *ret;
+ u8 cls;
+ int i;
+
+ if (!data->enumerate_handle)
+ return -ENODEV;
+ if (!data->debugfs.id)
+ return -EINVAL;
+
+ cls = (data->debugfs.id & 0xff000000) >> 24;
+ ret = atk_ggrp(data, cls);
+ if (IS_ERR(ret))
+ return PTR_ERR(ret);
+
+ for (i = 0; i < ret->package.count; i++) {
+ union acpi_object *pack = &ret->package.elements[i];
+ union acpi_object *id;
+
+ if (pack->type != ACPI_TYPE_PACKAGE)
+ continue;
+ if (!pack->package.count)
+ continue;
+ id = &pack->package.elements[0];
+ if (id->integer.value == data->debugfs.id) {
+ /* Print the package */
+ buf = kzalloc(512, GFP_KERNEL);
+ if (!buf) {
+ ACPI_FREE(ret);
+ return -ENOMEM;
+ }
+ atk_pack_print(buf, 512, pack);
+ break;
+ }
+ }
+ ACPI_FREE(ret);
+
+ if (!buf)
+ return -EINVAL;
+
+ file->private_data = buf;
+
+ return nonseekable_open(inode, file);
+}
+
+static ssize_t atk_debugfs_ggrp_read(struct file *file, char __user *buf,
+ size_t count, loff_t *pos)
+{
+ char *str = file->private_data;
+ size_t len = strlen(str);
+
+ return simple_read_from_buffer(buf, count, pos, str, len);
+}
+
+static int atk_debugfs_ggrp_release(struct inode *inode, struct file *file)
+{
+ kfree(file->private_data);
+ return 0;
+}
+
+static const struct file_operations atk_debugfs_ggrp_fops = {
+ .read = atk_debugfs_ggrp_read,
+ .open = atk_debugfs_ggrp_open,
+ .release = atk_debugfs_ggrp_release,
+};
+
+static void atk_debugfs_init(struct atk_data *data)
+{
+ struct dentry *d;
+ struct dentry *f;
+
+ data->debugfs.id = 0;
+
+ d = debugfs_create_dir("asus_atk0110", NULL);
+ if (!d || IS_ERR(d))
+ return;
+
+ f = debugfs_create_x32("id", S_IRUSR | S_IWUSR, d, &data->debugfs.id);
+ if (!f || IS_ERR(f))
+ goto cleanup;
+
+ f = debugfs_create_file("gitm", S_IRUSR, d, data,
+ &atk_debugfs_gitm);
+ if (!f || IS_ERR(f))
+ goto cleanup;
+
+ f = debugfs_create_file("ggrp", S_IRUSR, d, data,
+ &atk_debugfs_ggrp_fops);
+ if (!f || IS_ERR(f))
+ goto cleanup;
+
+ data->debugfs.root = d;
+
+ return;
+cleanup:
+ debugfs_remove_recursive(d);
+}
+
+static void atk_debugfs_cleanup(struct atk_data *data)
+{
+ debugfs_remove_recursive(data->debugfs.root);
+}
+
+#else /* CONFIG_DEBUG_FS */
+
+static void atk_debugfs_init(struct atk_data *data)
+{
+}
+
+static void atk_debugfs_cleanup(struct atk_data *data)
+{
+}
+#endif
+
static int atk_add_sensor(struct atk_data *data, union acpi_object *obj)
{
struct device *dev = &data->acpi_dev->dev;
@@ -1047,76 +1234,75 @@ remove:
return err;
}
-static int atk_check_old_if(struct atk_data *data)
+static int atk_probe_if(struct atk_data *data)
{
struct device *dev = &data->acpi_dev->dev;
acpi_handle ret;
acpi_status status;
+ int err = 0;
/* RTMP: read temperature */
status = acpi_get_handle(data->atk_handle, METHOD_OLD_READ_TMP, &ret);
- if (status != AE_OK) {
+ if (ACPI_SUCCESS(status))
+ data->rtmp_handle = ret;
+ else
dev_dbg(dev, "method " METHOD_OLD_READ_TMP " not found: %s\n",
acpi_format_exception(status));
- return -ENODEV;
- }
- data->rtmp_handle = ret;
/* RVLT: read voltage */
status = acpi_get_handle(data->atk_handle, METHOD_OLD_READ_VLT, &ret);
- if (status != AE_OK) {
+ if (ACPI_SUCCESS(status))
+ data->rvlt_handle = ret;
+ else
dev_dbg(dev, "method " METHOD_OLD_READ_VLT " not found: %s\n",
acpi_format_exception(status));
- return -ENODEV;
- }
- data->rvlt_handle = ret;
/* RFAN: read fan status */
status = acpi_get_handle(data->atk_handle, METHOD_OLD_READ_FAN, &ret);
- if (status != AE_OK) {
+ if (ACPI_SUCCESS(status))
+ data->rfan_handle = ret;
+ else
dev_dbg(dev, "method " METHOD_OLD_READ_FAN " not found: %s\n",
acpi_format_exception(status));
- return -ENODEV;
- }
- data->rfan_handle = ret;
-
- return 0;
-}
-
-static int atk_check_new_if(struct atk_data *data)
-{
- struct device *dev = &data->acpi_dev->dev;
- acpi_handle ret;
- acpi_status status;
/* Enumeration */
status = acpi_get_handle(data->atk_handle, METHOD_ENUMERATE, &ret);
- if (status != AE_OK) {
+ if (ACPI_SUCCESS(status))
+ data->enumerate_handle = ret;
+ else
dev_dbg(dev, "method " METHOD_ENUMERATE " not found: %s\n",
acpi_format_exception(status));
- return -ENODEV;
- }
- data->enumerate_handle = ret;
/* De-multiplexer (read) */
status = acpi_get_handle(data->atk_handle, METHOD_READ, &ret);
- if (status != AE_OK) {
+ if (ACPI_SUCCESS(status))
+ data->read_handle = ret;
+ else
dev_dbg(dev, "method " METHOD_READ " not found: %s\n",
acpi_format_exception(status));
- return -ENODEV;
- }
- data->read_handle = ret;
/* De-multiplexer (write) */
status = acpi_get_handle(data->atk_handle, METHOD_WRITE, &ret);
- if (status != AE_OK) {
- dev_dbg(dev, "method " METHOD_READ " not found: %s\n",
+ if (ACPI_SUCCESS(status))
+ data->write_handle = ret;
+ else
+ dev_dbg(dev, "method " METHOD_WRITE " not found: %s\n",
acpi_format_exception(status));
- return -ENODEV;
- }
- data->write_handle = ret;
- return 0;
+ /* Check for hwmon methods: first check "old" style methods; note that
+ * both may be present: in this case we stick to the old interface;
+ * analysis of multiple DSDTs indicates that when both interfaces
+ * are present the new one (GGRP/GITM) is not functional.
+ */
+ if (data->rtmp_handle && data->rvlt_handle && data->rfan_handle)
+ data->old_interface = true;
+ else if (data->enumerate_handle && data->read_handle &&
+ data->write_handle)
+ data->old_interface = false;
+ else
+ err = -ENODEV;
+
+ return err;
}
static int atk_add(struct acpi_device *device)
@@ -1143,40 +1329,30 @@ static int atk_add(struct acpi_device *device)
&buf, ACPI_TYPE_PACKAGE);
if (ret != AE_OK) {
dev_dbg(&device->dev, "atk: method MBIF not found\n");
- err = -ENODEV;
- goto out;
+ } else {
+ obj = buf.pointer;
+ if (obj->package.count >= 2) {
+ union acpi_object *id = &obj->package.elements[1];
+ if (id->type == ACPI_TYPE_STRING)
+ dev_dbg(&device->dev, "board ID = %s\n",
+ id->string.pointer);
+ }
+ ACPI_FREE(buf.pointer);
}
- obj = buf.pointer;
- if (obj->package.count >= 2 &&
- obj->package.elements[1].type == ACPI_TYPE_STRING) {
- dev_dbg(&device->dev, "board ID = %s\n",
- obj->package.elements[1].string.pointer);
+ err = atk_probe_if(data);
+ if (err) {
+ dev_err(&device->dev, "No usable hwmon interface detected\n");
+ goto out;
}
- ACPI_FREE(buf.pointer);
- /* Check for hwmon methods: first check "old" style methods; note that
- * both may be present: in this case we stick to the old interface;
- * analysis of multiple DSDTs indicates that when both interfaces
- * are present the new one (GGRP/GITM) is not functional.
- */
- err = atk_check_old_if(data);
- if (!err) {
+ if (data->old_interface) {
dev_dbg(&device->dev, "Using old hwmon interface\n");
- data->old_interface = true;
+ err = atk_enumerate_old_hwmon(data);
} else {
- err = atk_check_new_if(data);
- if (err)
- goto out;
-
dev_dbg(&device->dev, "Using new hwmon interface\n");
- data->old_interface = false;
- }
-
- if (data->old_interface)
- err = atk_enumerate_old_hwmon(data);
- else
err = atk_enumerate_new_hwmon(data);
+ }
if (err < 0)
goto out;
if (err == 0) {
@@ -1190,6 +1366,8 @@ static int atk_add(struct acpi_device *device)
if (err)
goto cleanup;
+ atk_debugfs_init(data);
+
device->driver_data = data;
return 0;
cleanup:
@@ -1208,6 +1386,8 @@ static int atk_remove(struct acpi_device *device, int type)
device->driver_data = NULL;
+ atk_debugfs_cleanup(data);
+
atk_remove_files(data);
atk_free_sensors(data);
hwmon_device_unregister(data->hwmon_dev);
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index caef39cda8c..2d7bceeed0b 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -33,6 +33,7 @@
#include <linux/list.h>
#include <linux/platform_device.h>
#include <linux/cpu.h>
+#include <linux/pci.h>
#include <asm/msr.h>
#include <asm/processor.h>
@@ -161,6 +162,7 @@ static int __devinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *
int usemsr_ee = 1;
int err;
u32 eax, edx;
+ struct pci_dev *host_bridge;
/* Early chips have no MSR for TjMax */
@@ -168,11 +170,21 @@ static int __devinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *
usemsr_ee = 0;
}
- /* Atoms seems to have TjMax at 90C */
+ /* Atom CPUs */
if (c->x86_model == 0x1c) {
usemsr_ee = 0;
- tjmax = 90000;
+
+ host_bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0));
+
+ if (host_bridge && host_bridge->vendor == PCI_VENDOR_ID_INTEL
+ && (host_bridge->device == 0xa000 /* NM10 based nettop */
+ || host_bridge->device == 0xa010)) /* NM10 based netbook */
+ tjmax = 100000;
+ else
+ tjmax = 90000;
+
+ pci_dev_put(host_bridge);
}
if ((c->x86_model > 0xe) && (usemsr_ee)) {
diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c
index bd0fc67e804..fa0728232e7 100644
--- a/drivers/hwmon/fschmd.c
+++ b/drivers/hwmon/fschmd.c
@@ -768,6 +768,7 @@ leave:
static int watchdog_open(struct inode *inode, struct file *filp)
{
struct fschmd_data *pos, *data = NULL;
+ int watchdog_is_open;
/* We get called from drivers/char/misc.c with misc_mtx hold, and we
call misc_register() from fschmd_probe() with watchdog_data_mutex
@@ -782,10 +783,12 @@ static int watchdog_open(struct inode *inode, struct file *filp)
}
}
/* Note we can never not have found data, so we don't check for this */
- kref_get(&data->kref);
+ watchdog_is_open = test_and_set_bit(0, &data->watchdog_is_open);
+ if (!watchdog_is_open)
+ kref_get(&data->kref);
mutex_unlock(&watchdog_data_mutex);
- if (test_and_set_bit(0, &data->watchdog_is_open))
+ if (watchdog_is_open)
return -EBUSY;
/* Start the watchdog */
diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
index d8a26d16d94..099a2138cdf 100644
--- a/drivers/hwmon/k10temp.c
+++ b/drivers/hwmon/k10temp.c
@@ -33,6 +33,16 @@ static bool force;
module_param(force, bool, 0444);
MODULE_PARM_DESC(force, "force loading on processors with erratum 319");
+/* CPUID function 0x80000001, ebx */
+#define CPUID_PKGTYPE_MASK 0xf0000000
+#define CPUID_PKGTYPE_F 0x00000000
+#define CPUID_PKGTYPE_AM2R2_AM3 0x10000000
+
+/* DRAM controller (PCI function 2) */
+#define REG_DCT0_CONFIG_HIGH 0x094
+#define DDR3_MODE 0x00000100
+
+/* miscellaneous (PCI function 3) */
#define REG_HARDWARE_THERMAL_CONTROL 0x64
#define HTC_ENABLE 0x00000001
@@ -85,13 +95,28 @@ static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp_crit, NULL, 0);
static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO, show_temp_crit, NULL, 1);
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
-static bool __devinit has_erratum_319(void)
+static bool __devinit has_erratum_319(struct pci_dev *pdev)
{
+ u32 pkg_type, reg_dram_cfg;
+
+ if (boot_cpu_data.x86 != 0x10)
+ return false;
+
/*
- * Erratum 319: The thermal sensor of older Family 10h processors
- * (B steppings) may be unreliable.
+ * Erratum 319: The thermal sensor of Socket F/AM2+ processors
+ * may be unreliable.
*/
- return boot_cpu_data.x86 == 0x10 && boot_cpu_data.x86_model <= 2;
+ pkg_type = cpuid_ebx(0x80000001) & CPUID_PKGTYPE_MASK;
+ if (pkg_type == CPUID_PKGTYPE_F)
+ return true;
+ if (pkg_type != CPUID_PKGTYPE_AM2R2_AM3)
+ return false;
+
+ /* Differentiate between AM2+ (bad) and AM3 (good) */
+ pci_bus_read_config_dword(pdev->bus,
+ PCI_DEVFN(PCI_SLOT(pdev->devfn), 2),
+ REG_DCT0_CONFIG_HIGH, &reg_dram_cfg);
+ return !(reg_dram_cfg & DDR3_MODE);
}
static int __devinit k10temp_probe(struct pci_dev *pdev,
@@ -99,9 +124,10 @@ static int __devinit k10temp_probe(struct pci_dev *pdev,
{
struct device *hwmon_dev;
u32 reg_caps, reg_htc;
+ int unreliable = has_erratum_319(pdev);
int err;
- if (has_erratum_319() && !force) {
+ if (unreliable && !force) {
dev_err(&pdev->dev,
"unreliable CPU thermal sensor; monitoring disabled\n");
err = -ENODEV;
@@ -139,7 +165,7 @@ static int __devinit k10temp_probe(struct pci_dev *pdev,
}
dev_set_drvdata(&pdev->dev, hwmon_dev);
- if (has_erratum_319() && force)
+ if (unreliable && force)
dev_warn(&pdev->dev,
"unreliable CPU thermal sensor; check erratum 319\n");
return 0;
@@ -169,7 +195,7 @@ static void __devexit k10temp_remove(struct pci_dev *pdev)
dev_set_drvdata(&pdev->dev, NULL);
}
-static struct pci_device_id k10temp_id_table[] = {
+static const struct pci_device_id k10temp_id_table[] = {
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_10H_NB_MISC) },
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_11H_NB_MISC) },
{}
diff --git a/drivers/hwmon/k8temp.c b/drivers/hwmon/k8temp.c
index 1fe99511184..0ceb6d6200a 100644
--- a/drivers/hwmon/k8temp.c
+++ b/drivers/hwmon/k8temp.c
@@ -136,7 +136,7 @@ static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 1, 0);
static SENSOR_DEVICE_ATTR_2(temp4_input, S_IRUGO, show_temp, NULL, 1, 1);
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
-static struct pci_device_id k8temp_ids[] = {
+static const struct pci_device_id k8temp_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_K8_NB_MISC) },
{ 0 },
};
diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index cadcbd90ff3..72ff2c4e757 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -851,17 +851,16 @@ static struct lm78_data *lm78_update_device(struct device *dev)
static int __init lm78_isa_found(unsigned short address)
{
int val, save, found = 0;
-
- /* We have to request the region in two parts because some
- boards declare base+4 to base+7 as a PNP device */
- if (!request_region(address, 4, "lm78")) {
- pr_debug("lm78: Failed to request low part of region\n");
- return 0;
- }
- if (!request_region(address + 4, 4, "lm78")) {
- pr_debug("lm78: Failed to request high part of region\n");
- release_region(address, 4);
- return 0;
+ 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 + LM78_EXTENT; port++) {
+ if (!request_region(port, 1, "lm78")) {
+ pr_debug("lm78: Failed to request port 0x%x\n", port);
+ goto release;
+ }
}
#define REALLY_SLOW_IO
@@ -925,8 +924,8 @@ static int __init lm78_isa_found(unsigned short address)
val & 0x80 ? "LM79" : "LM78", (int)address);
release:
- release_region(address + 4, 4);
- release_region(address, 4);
+ for (port--; port >= address; port--)
+ release_region(port, 1);
return found;
}
diff --git a/drivers/hwmon/sis5595.c b/drivers/hwmon/sis5595.c
index 12f2e708656..79c2931e300 100644
--- a/drivers/hwmon/sis5595.c
+++ b/drivers/hwmon/sis5595.c
@@ -697,7 +697,7 @@ static struct sis5595_data *sis5595_update_device(struct device *dev)
return data;
}
-static struct pci_device_id sis5595_pci_ids[] = {
+static const struct pci_device_id sis5595_pci_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503) },
{ 0, }
};
diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c
index 9ca97818bd4..8fa462f2b57 100644
--- a/drivers/hwmon/smsc47m1.c
+++ b/drivers/hwmon/smsc47m1.c
@@ -488,7 +488,7 @@ static int __init smsc47m1_find(unsigned short *addr,
}
/* Restore device to its initial state */
-static void __init smsc47m1_restore(const struct smsc47m1_sio_data *sio_data)
+static void smsc47m1_restore(const struct smsc47m1_sio_data *sio_data)
{
if ((sio_data->activate & 0x01) == 0) {
superio_enter();
diff --git a/drivers/hwmon/via686a.c b/drivers/hwmon/via686a.c
index 39e82a492f2..f397ce7ad59 100644
--- a/drivers/hwmon/via686a.c
+++ b/drivers/hwmon/via686a.c
@@ -767,7 +767,7 @@ static struct via686a_data *via686a_update_device(struct device *dev)
return data;
}
-static struct pci_device_id via686a_pci_ids[] = {
+static const struct pci_device_id via686a_pci_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4) },
{ 0, }
};
diff --git a/drivers/hwmon/vt8231.c b/drivers/hwmon/vt8231.c
index 470a1226ba2..d47b4c9949c 100644
--- a/drivers/hwmon/vt8231.c
+++ b/drivers/hwmon/vt8231.c
@@ -697,7 +697,7 @@ static struct platform_driver vt8231_driver = {
.remove = __devexit_p(vt8231_remove),
};
-static struct pci_device_id vt8231_pci_ids[] = {
+static const struct pci_device_id vt8231_pci_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231_4) },
{ 0, }
};
diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
index 05f9225b6f9..32d4adee73d 100644
--- a/drivers/hwmon/w83781d.c
+++ b/drivers/hwmon/w83781d.c
@@ -1793,17 +1793,17 @@ static int __init
w83781d_isa_found(unsigned short address)
{
int val, save, found = 0;
-
- /* We have to request the region in two parts because some
- boards declare base+4 to base+7 as a PNP device */
- if (!request_region(address, 4, "w83781d")) {
- pr_debug("w83781d: Failed to request low part of region\n");
- return 0;
- }
- if (!request_region(address + 4, 4, "w83781d")) {
- pr_debug("w83781d: Failed to request high part of region\n");
- release_region(address, 4);
- return 0;
+ 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")) {
+ pr_debug("w83781d: Failed to request port 0x%x\n",
+ port);
+ goto release;
+ }
}
#define REALLY_SLOW_IO
@@ -1877,8 +1877,8 @@ w83781d_isa_found(unsigned short address)
val == 0x30 ? "W83782D" : "W83781D", (int)address);
release:
- release_region(address + 4, 4);
- release_region(address, 4);
+ for (port--; port >= address; port--)
+ release_region(port, 1);
return found;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-08 14:32:35 +0000