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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-07 18:05:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-07 18:05:39 -0700
commita06dee41a31bff488a261dfc542776ffd2f24ff1 (patch)
tree4930b7698d5d238f159c2d6628c7c1c62765b42b /Documentation
parentb588e2bbd7b872c9cdf635fe0f04840534e72443 (diff)
parent816d8c6a2580562698cf0fa0b9e5b4dd570e636e (diff)
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: (it87) Support for 16-bit fan reading in it8705 >= rev 0x03 hwmon: (it87) Support for 16-bit fan reading in it8712 >= rev 0x07 hwmon: (hwmon-vid) Add 6-bit vid codes for AMD NPT 0Fh cpus hwmon: (hwmon-vid) Trivial format multi-line comments per CodingStyle hwmon: ad7414 driver hwmon: (thmc50) Add support for critical temperature limits hwmon: (adm9240) Remove EXPERIMENTAL dependency hwmon: (w83627hf) Drop reset module parameter hwmon: (w83627hf) Add pwm_enable sysfs interface hwmon: (w83791d) Use fan divisor bits from vbat register hwmon: (f71882fg) Delete needless forward declarations hwmon: (dme1737) Add support for the SMSC SCH5027 hwmon: (dme1737) Skip detection if forced hwmon: (dme1737) Cleanups
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/hwmon/dme173753
-rw-r--r--Documentation/hwmon/it8713
-rw-r--r--Documentation/hwmon/w83627hf4
-rw-r--r--Documentation/hwmon/w83791d6
4 files changed, 47 insertions, 29 deletions
diff --git a/Documentation/hwmon/dme1737 b/Documentation/hwmon/dme1737
index b1fe00999439..001d2e70bc11 100644
--- a/Documentation/hwmon/dme1737
+++ b/Documentation/hwmon/dme1737
@@ -10,6 +10,10 @@ Supported chips:
Prefix: 'sch311x'
Addresses scanned: none, address read from Super-I/O config space
Datasheet: http://www.nuhorizons.com/FeaturedProducts/Volume1/SMSC/311x.pdf
+ * SMSC SCH5027
+ Prefix: 'sch5027'
+ Addresses scanned: I2C 0x2c, 0x2d, 0x2e
+ Datasheet: Provided by SMSC upon request and under NDA
Authors:
Juerg Haefliger <juergh@gmail.com>
@@ -27,33 +31,31 @@ Module Parameters
following boards:
- VIA EPIA SN18000
-Note that there is no need to use this parameter if the driver loads without
-complaining. The driver will say so if it is necessary.
-
Description
-----------
This driver implements support for the hardware monitoring capabilities of the
-SMSC DME1737 and Asus A8000 (which are the same) and SMSC SCH311x Super-I/O
-chips. These chips feature monitoring of 3 temp sensors temp[1-3] (2 remote
-diodes and 1 internal), 7 voltages in[0-6] (6 external and 1 internal) and up
-to 6 fan speeds fan[1-6]. Additionally, the chips implement up to 5 PWM
-outputs pwm[1-3,5-6] for controlling fan speeds both manually and
+SMSC DME1737 and Asus A8000 (which are the same), SMSC SCH5027, and SMSC
+SCH311x Super-I/O chips. These chips feature monitoring of 3 temp sensors
+temp[1-3] (2 remote diodes and 1 internal), 7 voltages in[0-6] (6 external and
+1 internal) and up to 6 fan speeds fan[1-6]. Additionally, the chips implement
+up to 5 PWM outputs pwm[1-3,5-6] for controlling fan speeds both manually and
automatically.
-For the DME1737 and A8000, fan[1-2] and pwm[1-2] are always present. Fan[3-6]
-and pwm[3,5-6] are optional features and their availability depends on the
-configuration of the chip. The driver will detect which features are present
-during initialization and create the sysfs attributes accordingly.
+For the DME1737, A8000 and SCH5027, fan[1-2] and pwm[1-2] are always present.
+Fan[3-6] and pwm[3,5-6] are optional features and their availability depends on
+the configuration of the chip. The driver will detect which features are
+present during initialization and create the sysfs attributes accordingly.
For the SCH311x, fan[1-3] and pwm[1-3] are always present and fan[4-6] and
pwm[5-6] don't exist.
-The hardware monitoring features of the DME1737 and A8000 are only accessible
-via SMBus, while the SCH311x only provides access via the ISA bus. The driver
-will therefore register itself as an I2C client driver if it detects a DME1737
-or A8000 and as a platform driver if it detects a SCH311x chip.
+The hardware monitoring features of the DME1737, A8000, and SCH5027 are only
+accessible via SMBus, while the SCH311x only provides access via the ISA bus.
+The driver will therefore register itself as an I2C client driver if it detects
+a DME1737, A8000, or SCH5027 and as a platform driver if it detects a SCH311x
+chip.
Voltage Monitoring
@@ -64,6 +66,7 @@ scaling resistors. The values returned by the driver therefore reflect true
millivolts and don't need scaling. The voltage inputs are mapped as follows
(the last column indicates the input ranges):
+DME1737, A8000:
in0: +5VTR (+5V standby) 0V - 6.64V
in1: Vccp (processor core) 0V - 3V
in2: VCC (internal +3.3V) 0V - 4.38V
@@ -72,6 +75,24 @@ millivolts and don't need scaling. The voltage inputs are mapped as follows
in5: VTR (+3.3V standby) 0V - 4.38V
in6: Vbat (+3.0V) 0V - 4.38V
+SCH311x:
+ in0: +2.5V 0V - 6.64V
+ in1: Vccp (processor core) 0V - 2V
+ in2: VCC (internal +3.3V) 0V - 4.38V
+ in3: +5V 0V - 6.64V
+ in4: +12V 0V - 16V
+ in5: VTR (+3.3V standby) 0V - 4.38V
+ in6: Vbat (+3.0V) 0V - 4.38V
+
+SCH5027:
+ in0: +5VTR (+5V standby) 0V - 6.64V
+ in1: Vccp (processor core) 0V - 3V
+ in2: VCC (internal +3.3V) 0V - 4.38V
+ in3: V2_IN 0V - 1.5V
+ in4: V1_IN 0V - 1.5V
+ in5: VTR (+3.3V standby) 0V - 4.38V
+ in6: Vbat (+3.0V) 0V - 4.38V
+
Each voltage input has associated min and max limits which trigger an alarm
when crossed.
diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87
index f4ce1fdbeff6..3496b7020e7c 100644
--- a/Documentation/hwmon/it87
+++ b/Documentation/hwmon/it87
@@ -6,12 +6,14 @@ Supported chips:
Prefix: 'it87'
Addresses scanned: from Super I/O config space (8 I/O ports)
Datasheet: Publicly available at the ITE website
- http://www.ite.com.tw/
+ http://www.ite.com.tw/product_info/file/pc/IT8705F_V.0.4.1.pdf
* IT8712F
Prefix: 'it8712'
Addresses scanned: from Super I/O config space (8 I/O ports)
Datasheet: Publicly available at the ITE website
- http://www.ite.com.tw/
+ http://www.ite.com.tw/product_info/file/pc/IT8712F_V0.9.1.pdf
+ http://www.ite.com.tw/product_info/file/pc/Errata%20V0.1%20for%20IT8712F%20V0.9.1.pdf
+ http://www.ite.com.tw/product_info/file/pc/IT8712F_V0.9.3.pdf
* IT8716F/IT8726F
Prefix: 'it8716'
Addresses scanned: from Super I/O config space (8 I/O ports)
@@ -90,14 +92,13 @@ upper VID bits share their pins with voltage inputs (in5 and in6) so you
can't have both on a given board.
The IT8716F, IT8718F and later IT8712F revisions have support for
-2 additional fans. They are supported by the driver for the IT8716F and
-IT8718F but not for the IT8712F
+2 additional fans. The additional fans are supported by the driver.
The IT8716F and IT8718F, and late IT8712F and IT8705F also have optional
16-bit tachometer counters for fans 1 to 3. This is better (no more fan
clock divider mess) but not compatible with the older chips and
-revisions. For now, the driver only uses the 16-bit mode on the
-IT8716F and IT8718F.
+revisions. The 16-bit tachometer mode is enabled by the driver when one
+of the above chips is detected.
The IT8726F is just bit enhanced IT8716F with additional hardware
for AMD power sequencing. Therefore the chip will appear as IT8716F
diff --git a/Documentation/hwmon/w83627hf b/Documentation/hwmon/w83627hf
index 880a59f53da9..6ee36dbafd64 100644
--- a/Documentation/hwmon/w83627hf
+++ b/Documentation/hwmon/w83627hf
@@ -40,10 +40,6 @@ Module Parameters
(default is 1)
Use 'init=0' to bypass initializing the chip.
Try this if your computer crashes when you load the module.
-* reset: int
- (default is 0)
- The driver used to reset the chip on load, but does no more. Use
- 'reset=1' to restore the old behavior. Report if you need to do this.
Description
-----------
diff --git a/Documentation/hwmon/w83791d b/Documentation/hwmon/w83791d
index f153b2f6d62c..a67d3b7a7098 100644
--- a/Documentation/hwmon/w83791d
+++ b/Documentation/hwmon/w83791d
@@ -22,6 +22,7 @@ Credits:
Additional contributors:
Sven Anders <anders@anduras.de>
+ Marc Hulsman <m.hulsman@tudelft.nl>
Module Parameters
-----------------
@@ -67,9 +68,8 @@ on until the temperature falls below the Hysteresis value.
Fan rotation speeds are reported in RPM (rotations per minute). An alarm is
triggered if the rotation speed has dropped below a programmable limit. Fan
-readings can be divided by a programmable divider (1, 2, 4, 8 for fan 1/2/3
-and 1, 2, 4, 8, 16, 32, 64 or 128 for fan 4/5) to give the readings more
-range or accuracy.
+readings can be divided by a programmable divider (1, 2, 4, 8, 16,
+32, 64 or 128 for all fans) to give the readings more range or accuracy.
Voltage sensors (also known as IN sensors) report their values in millivolts.
An alarm is triggered if the voltage has crossed a programmable minimum