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Merge branch 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6
* 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: hwmon: (abituguru3) Fix CONFIG_DMI=n fallback to probe hwmon: (abituguru3) Enable DMI probing feature on IN9 32X MAX hwmon: (abituguru3) Match partial DMI board name strings hwmon: Add a driver for the ADT7475 hardware monitoring chip hwmon: (k8temp) Fix temperature reporting for (most) K8 RevG CPUs hwmon: (k8temp) Fix wrong sensor selection for AMD K8 RevF/RevG CPUs hwmon: (k8temp) Warn about fam F rev F errata
This commit is contained in:
Linus Torvalds
commit
7e92214b53
87
Documentation/hwmon/adt7475
Normal file
87
Documentation/hwmon/adt7475
Normal file
@ -0,0 +1,87 @@
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This describes the interface for the ADT7475 driver:
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(there are 4 fans, numbered fan1 to fan4):
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fanX_input Read the current speed of the fan (in RPMs)
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fanX_min Read/write the minimum speed of the fan. Dropping
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below this sets an alarm.
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(there are three PWMs, numbered pwm1 to pwm3):
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pwmX Read/write the current duty cycle of the PWM. Writes
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only have effect when auto mode is turned off (see
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below). Range is 0 - 255.
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pwmX_enable Fan speed control method:
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0 - No control (fan at full speed)
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1 - Manual fan speed control (using pwm[1-*])
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2 - Automatic fan speed control
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pwmX_auto_channels_temp Select which channels affect this PWM
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1 - TEMP1 controls PWM
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2 - TEMP2 controls PWM
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4 - TEMP3 controls PWM
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6 - TEMP2 and TEMP3 control PWM
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7 - All three inputs control PWM
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pwmX_freq Read/write the PWM frequency in Hz. The number
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should be one of the following:
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11 Hz
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14 Hz
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22 Hz
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29 Hz
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35 Hz
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44 Hz
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58 Hz
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88 Hz
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pwmX_auto_point1_pwm Read/write the minimum PWM duty cycle in automatic mode
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pwmX_auto_point2_pwm Read/write the maximum PWM duty cycle in automatic mode
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(there are three temperature settings numbered temp1 to temp3):
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tempX_input Read the current temperature. The value is in milli
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degrees of Celsius.
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tempX_max Read/write the upper temperature limit - exceeding this
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will cause an alarm.
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tempX_min Read/write the lower temperature limit - exceeding this
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will cause an alarm.
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tempX_offset Read/write the temperature adjustment offset
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tempX_crit Read/write the THERM limit for remote1.
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tempX_crit_hyst Set the temperature value below crit where the
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fans will stay on - this helps drive the temperature
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low enough so it doesn't stay near the edge and
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cause THERM to keep tripping.
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tempX_auto_point1_temp Read/write the minimum temperature where the fans will
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turn on in automatic mode.
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tempX_auto_point2_temp Read/write the maximum temperature over which the fans
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will run in automatic mode. tempX_auto_point1_temp
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and tempX_auto_point2_temp together define the
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range of automatic control.
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tempX_alarm Read a 1 if the max/min alarm is set
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tempX_fault Read a 1 if either temp1 or temp3 diode has a fault
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(There are two voltage settings, in1 and in2):
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inX_input Read the current voltage on VCC. Value is in
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millivolts.
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inX_min read/write the minimum voltage limit.
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Dropping below this causes an alarm.
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inX_max read/write the maximum voltage limit.
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Exceeding this causes an alarm.
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inX_alarm Read a 1 if the max/min alarm is set.
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@ -189,6 +189,16 @@ config SENSORS_ADT7473
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This driver can also be built as a module. If so, the module
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will be called adt7473.
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config SENSORS_ADT7475
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tristate "Analog Devices ADT7475"
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depends on I2C && EXPERIMENTAL
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help
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If you say yes here you get support for the Analog Devices
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ADT7475 hardware monitoring chips.
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This driver can also be build as a module. If so, the module
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will be called adt7475.
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config SENSORS_K8TEMP
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tristate "AMD Athlon64/FX or Opteron temperature sensor"
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depends on X86 && PCI && EXPERIMENTAL
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@ -28,6 +28,8 @@ obj-$(CONFIG_SENSORS_ADS7828) += ads7828.o
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obj-$(CONFIG_SENSORS_ADT7462) += adt7462.o
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obj-$(CONFIG_SENSORS_ADT7470) += adt7470.o
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obj-$(CONFIG_SENSORS_ADT7473) += adt7473.o
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obj-$(CONFIG_SENSORS_ADT7475) += adt7475.o
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obj-$(CONFIG_SENSORS_APPLESMC) += applesmc.o
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obj-$(CONFIG_SENSORS_AMS) += ams/
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obj-$(CONFIG_SENSORS_ATXP1) += atxp1.o
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@ -279,7 +279,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
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{ "OTES1 Fan", 36, 2, 60, 1, 0 },
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{ NULL, 0, 0, 0, 0, 0 } }
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},
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{ 0x0011, "AT8 32X(ATI RD580-ULI M1575)", {
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{ 0x0011, "AT8 32X", {
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{ "CPU Core", 0, 0, 10, 1, 0 },
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{ "DDR", 1, 0, 20, 1, 0 },
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{ "DDR VTT", 2, 0, 10, 1, 0 },
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@ -402,7 +402,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
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{ "AUX3 Fan", 36, 2, 60, 1, 0 },
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{ NULL, 0, 0, 0, 0, 0 } }
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},
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{ 0x0016, "AW9D-MAX (Intel i975-ICH7)", {
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{ 0x0016, "AW9D-MAX", {
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{ "CPU Core", 0, 0, 10, 1, 0 },
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{ "DDR2", 1, 0, 20, 1, 0 },
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{ "DDR2 VTT", 2, 0, 10, 1, 0 },
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@ -482,7 +482,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
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{ "AUX3 Fan", 36, 2, 60, 1, 0 },
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{ NULL, 0, 0, 0, 0, 0 } }
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},
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{ 0x0019, NULL /* Unknown, need DMI string */, {
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{ 0x0019, "IN9 32X MAX", {
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{ "CPU Core", 7, 0, 10, 1, 0 },
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{ "DDR2", 13, 0, 20, 1, 0 },
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{ "DDR2 VTT", 14, 0, 10, 1, 0 },
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@ -509,7 +509,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
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{ "AUX3 FAN", 36, 2, 60, 1, 0 },
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{ NULL, 0, 0, 0, 0, 0 } }
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},
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{ 0x001A, "IP35 Pro(Intel P35-ICH9R)", {
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{ 0x001A, "IP35 Pro", {
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{ "CPU Core", 0, 0, 10, 1, 0 },
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{ "DDR2", 1, 0, 20, 1, 0 },
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{ "DDR2 VTT", 2, 0, 10, 1, 0 },
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@ -1128,6 +1128,7 @@ static int __init abituguru3_dmi_detect(void)
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{
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const char *board_vendor, *board_name;
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int i, err = (force) ? 1 : -ENODEV;
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size_t sublen;
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board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR);
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if (!board_vendor || strcmp(board_vendor, "http://www.abit.com.tw/"))
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@ -1137,9 +1138,20 @@ static int __init abituguru3_dmi_detect(void)
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if (!board_name)
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return err;
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/* At the moment, we don't care about the part of the vendor
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* DMI string contained in brackets. Truncate the string at
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* the first occurrence of a bracket. Trim any trailing space
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* from the substring.
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*/
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sublen = strcspn(board_name, "(");
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while (sublen > 0 && board_name[sublen - 1] == ' ')
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sublen--;
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for (i = 0; abituguru3_motherboards[i].id; i++) {
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const char *dmi_name = abituguru3_motherboards[i].dmi_name;
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if (dmi_name && !strcmp(dmi_name, board_name))
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if (!dmi_name || strlen(dmi_name) != sublen)
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continue;
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if (!strncasecmp(board_name, dmi_name, sublen))
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break;
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}
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@ -1153,7 +1165,7 @@ static int __init abituguru3_dmi_detect(void)
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static inline int abituguru3_dmi_detect(void)
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{
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return -ENODEV;
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return 1;
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}
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#endif /* CONFIG_DMI */
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1221
drivers/hwmon/adt7475.c
Normal file
1221
drivers/hwmon/adt7475.c
Normal file
File diff suppressed because it is too large
Load Diff
@ -31,6 +31,7 @@
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#include <linux/hwmon-sysfs.h>
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#include <linux/err.h>
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#include <linux/mutex.h>
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#include <asm/processor.h>
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#define TEMP_FROM_REG(val) (((((val) >> 16) & 0xff) - 49) * 1000)
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#define REG_TEMP 0xe4
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@ -47,6 +48,8 @@ struct k8temp_data {
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/* registers values */
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u8 sensorsp; /* sensor presence bits - SEL_CORE & SEL_PLACE */
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u32 temp[2][2]; /* core, place */
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u8 swap_core_select; /* meaning of SEL_CORE is inverted */
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u32 temp_offset;
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};
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static struct k8temp_data *k8temp_update_device(struct device *dev)
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@ -114,10 +117,15 @@ static ssize_t show_temp(struct device *dev,
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to_sensor_dev_attr_2(devattr);
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int core = attr->nr;
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int place = attr->index;
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int temp;
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struct k8temp_data *data = k8temp_update_device(dev);
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return sprintf(buf, "%d\n",
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TEMP_FROM_REG(data->temp[core][place]));
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if (data->swap_core_select)
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core = core ? 0 : 1;
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temp = TEMP_FROM_REG(data->temp[core][place]) + data->temp_offset;
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return sprintf(buf, "%d\n", temp);
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}
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/* core, place */
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@ -141,20 +149,49 @@ static int __devinit k8temp_probe(struct pci_dev *pdev,
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int err;
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u8 scfg;
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u32 temp;
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u8 model, stepping;
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struct k8temp_data *data;
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u32 cpuid = cpuid_eax(1);
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/* this feature should be available since SH-C0 core */
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if ((cpuid == 0xf40) || (cpuid == 0xf50) || (cpuid == 0xf51)) {
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err = -ENODEV;
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goto exit;
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}
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if (!(data = kzalloc(sizeof(struct k8temp_data), GFP_KERNEL))) {
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err = -ENOMEM;
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goto exit;
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}
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model = boot_cpu_data.x86_model;
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stepping = boot_cpu_data.x86_mask;
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switch (boot_cpu_data.x86) {
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case 0xf:
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/* feature available since SH-C0, exclude older revisions */
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if (((model == 4) && (stepping == 0)) ||
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((model == 5) && (stepping <= 1))) {
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err = -ENODEV;
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goto exit_free;
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}
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/*
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* AMD NPT family 0fh, i.e. RevF and RevG:
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* meaning of SEL_CORE bit is inverted
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*/
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if (model >= 0x40) {
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data->swap_core_select = 1;
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dev_warn(&pdev->dev, "Temperature readouts might be "
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"wrong - check erratum #141\n");
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}
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if ((model >= 0x69) &&
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!(model == 0xc1 || model == 0x6c || model == 0x7c)) {
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/*
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* RevG desktop CPUs (i.e. no socket S1G1 parts)
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* need additional offset, otherwise reported
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* temperature is below ambient temperature
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*/
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data->temp_offset = 21000;
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}
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break;
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}
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pci_read_config_byte(pdev, REG_TEMP, &scfg);
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scfg &= ~(SEL_PLACE | SEL_CORE); /* Select sensor 0, core0 */
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pci_write_config_byte(pdev, REG_TEMP, scfg);
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