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-rw-r--r--Documentation/hwmon/w83781d330
1 files changed, 195 insertions, 135 deletions
diff --git a/Documentation/hwmon/w83781d b/Documentation/hwmon/w83781d
index 129b0a3b555b..f36d33dfb704 100644
--- a/Documentation/hwmon/w83781d
+++ b/Documentation/hwmon/w83781d
@@ -2,44 +2,64 @@ Kernel driver w83781d
=====================
Supported chips:
+
* Winbond W83781D
+
Prefix: 'w83781d'
+
Addresses scanned: I2C 0x28 - 0x2f, ISA 0x290 (8 I/O ports)
+
Datasheet: http://www.winbond-usa.com/products/winbond_products/pdfs/PCIC/w83781d.pdf
+
* Winbond W83782D
+
Prefix: 'w83782d'
+
Addresses scanned: I2C 0x28 - 0x2f, ISA 0x290 (8 I/O ports)
+
Datasheet: http://www.winbond.com
+
* Winbond W83783S
+
Prefix: 'w83783s'
+
Addresses scanned: I2C 0x2d
+
Datasheet: http://www.winbond-usa.com/products/winbond_products/pdfs/PCIC/w83783s.pdf
+
* Asus AS99127F
+
Prefix: 'as99127f'
+
Addresses scanned: I2C 0x28 - 0x2f
+
Datasheet: Unavailable from Asus
+
+
Authors:
- Frodo Looijaard <frodol@dds.nl>,
- Philip Edelbrock <phil@netroedge.com>,
- Mark Studebaker <mdsxyz123@yahoo.com>
+
+ - Frodo Looijaard <frodol@dds.nl>,
+ - Philip Edelbrock <phil@netroedge.com>,
+ - Mark Studebaker <mdsxyz123@yahoo.com>
Module parameters
-----------------
* init int
- (default 1)
- Use 'init=0' to bypass initializing the chip.
- Try this if your computer crashes when you load the module.
+ (default 1)
+
+ Use 'init=0' to bypass initializing the chip.
+ Try this if your computer crashes when you load the module.
* reset int
- (default 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.
+ (default 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.
force_subclients=bus,caddr,saddr,saddr
This is used to force the i2c addresses for subclients of
- a certain chip. Typical usage is `force_subclients=0,0x2d,0x4a,0x4b'
+ a certain chip. Typical usage is `force_subclients=0,0x2d,0x4a,0x4b`
to force the subclients of chip 0x2d on bus 0 to i2c addresses
0x4a and 0x4b. This parameter is useful for certain Tyan boards.
@@ -54,12 +74,19 @@ There is quite some difference between these chips, but they are similar
enough that it was sensible to put them together in one driver.
The Asus chips are similar to an I2C-only W83782D.
-Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA
-as99127f 7 3 0 3 0x31 0x12c3 yes no
-as99127f rev.2 (type_name = as99127f) 0x31 0x5ca3 yes no
-w83781d 7 3 0 3 0x10-1 0x5ca3 yes yes
-w83782d 9 3 2-4 3 0x30 0x5ca3 yes yes
-w83783s 5-6 3 2 1-2 0x40 0x5ca3 yes no
++----------+---------+--------+-------+-------+---------+--------+------+-----+
+| Chip | #vin | #fanin | #pwm | #temp | wchipid | vendid | i2c | ISA |
++----------+---------+--------+-------+-------+---------+--------+------+-----+
+| as99127f | 7 | 3 | 0 | 3 | 0x31 | 0x12c3 | yes | no |
++----------+---------+--------+-------+-------+---------+--------+------+-----+
+| as99127f rev.2 (type_name = as99127f) | 0x31 | 0x5ca3 | yes | no |
++----------+---------+--------+-------+-------+---------+--------+------+-----+
+| w83781d | 7 | 3 | 0 | 3 | 0x10-1 | 0x5ca3 | yes | yes |
++----------+---------+--------+-------+-------+---------+--------+------+-----+
+| w83782d | 9 | 3 | 2-4 | 3 | 0x30 | 0x5ca3 | yes | yes |
++----------+---------+--------+-------+-------+---------+--------+------+-----+
+| w83783s | 5-6 | 3 | 2 | 1-2 | 0x40 | 0x5ca3 | yes | no |
++----------+---------+--------+-------+-------+---------+--------+------+-----+
Detection of these chips can sometimes be foiled because they can be in
an internal state that allows no clean access. If you know the address
@@ -124,22 +151,24 @@ or only the beeping for some alarms.
Individual alarm and beep bits:
-0x000001: in0
-0x000002: in1
-0x000004: in2
-0x000008: in3
-0x000010: temp1
-0x000020: temp2 (+temp3 on W83781D)
-0x000040: fan1
-0x000080: fan2
-0x000100: in4
-0x000200: in5
-0x000400: in6
-0x000800: fan3
-0x001000: chassis
-0x002000: temp3 (W83782D only)
-0x010000: in7 (W83782D only)
-0x020000: in8 (W83782D only)
+======== ==========================
+0x000001 in0
+0x000002 in1
+0x000004 in2
+0x000008 in3
+0x000010 temp1
+0x000020 temp2 (+temp3 on W83781D)
+0x000040 fan1
+0x000080 fan2
+0x000100 in4
+0x000200 in5
+0x000400 in6
+0x000800 fan3
+0x001000 chassis
+0x002000 temp3 (W83782D only)
+0x010000 in7 (W83782D only)
+0x020000 in8 (W83782D only)
+======== ==========================
If an alarm triggers, it will remain triggered until the hardware register
is read at least once. This means that the cause for the alarm may
@@ -179,68 +208,74 @@ Please do not send mail to the author or the sensors group asking for
a datasheet or ideas on how to convince Asus. We can't help.
-NOTES:
+NOTES
-----
783s has no in1 so that in[2-6] are compatible with the 781d/782d.
783s pin is programmable for -5V or temp1; defaults to -5V,
- no control in driver so temp1 doesn't work.
+ no control in driver so temp1 doesn't work.
782d and 783s datasheets differ on which is pwm1 and which is pwm2.
- We chose to follow 782d.
+ We chose to follow 782d.
782d and 783s pin is programmable for fan3 input or pwm2 output;
- defaults to fan3 input.
- If pwm2 is enabled (with echo 255 1 > pwm2), then
- fan3 will report 0.
+ defaults to fan3 input.
+ If pwm2 is enabled (with echo 255 1 > pwm2), then
+ fan3 will report 0.
782d has pwm1-2 for ISA, pwm1-4 for i2c. (pwm3-4 share pins with
- the ISA pins)
+ the ISA pins)
-Data sheet updates:
+Data sheet updates
------------------
- PWM clock registers:
-
- 000: master / 512
- 001: master / 1024
- 010: master / 2048
- 011: master / 4096
- 100: master / 8192
+ * 000: master / 512
+ * 001: master / 1024
+ * 010: master / 2048
+ * 011: master / 4096
+ * 100: master / 8192
Answers from Winbond tech support
---------------------------------
->
-> 1) In the W83781D data sheet section 7.2 last paragraph, it talks about
-> reprogramming the R-T table if the Beta of the thermistor is not
-> 3435K. The R-T table is described briefly in section 8.20.
-> What formulas do I use to program a new R-T table for a given Beta?
->
- We are sorry that the calculation for R-T table value is
-confidential. If you have another Beta value of thermistor, we can help
-to calculate the R-T table for you. But you should give us real R-T
-Table which can be gotten by thermistor vendor. Therefore we will calculate
-them and obtain 32-byte data, and you can fill the 32-byte data to the
-register in Bank0.CR51 of W83781D.
+::
+
+ >
+ > 1) In the W83781D data sheet section 7.2 last paragraph, it talks about
+ > reprogramming the R-T table if the Beta of the thermistor is not
+ > 3435K. The R-T table is described briefly in section 8.20.
+ > What formulas do I use to program a new R-T table for a given Beta?
+ >
+
+ We are sorry that the calculation for R-T table value is
+ confidential. If you have another Beta value of thermistor, we can help
+ to calculate the R-T table for you. But you should give us real R-T
+ Table which can be gotten by thermistor vendor. Therefore we will calculate
+ them and obtain 32-byte data, and you can fill the 32-byte data to the
+ register in Bank0.CR51 of W83781D.
-> 2) In the W83782D data sheet, it mentions that pins 38, 39, and 40 are
-> programmable to be either thermistor or Pentium II diode inputs.
-> How do I program them for diode inputs? I can't find any register
-> to program these to be diode inputs.
- --> You may program Bank0 CR[5Dh] and CR[59h] registers.
- CR[5Dh] bit 1(VTIN1) bit 2(VTIN2) bit 3(VTIN3)
+ > 2) In the W83782D data sheet, it mentions that pins 38, 39, and 40 are
+ > programmable to be either thermistor or Pentium II diode inputs.
+ > How do I program them for diode inputs? I can't find any register
+ > to program these to be diode inputs.
- thermistor 0 0 0
- diode 1 1 1
+ You may program Bank0 CR[5Dh] and CR[59h] registers.
+ =============================== =============== ============== ============
+ CR[5Dh] bit 1(VTIN1) bit 2(VTIN2) bit 3(VTIN3)
-(error) CR[59h] bit 4(VTIN1) bit 2(VTIN2) bit 3(VTIN3)
-(right) CR[59h] bit 4(VTIN1) bit 5(VTIN2) bit 6(VTIN3)
+ thermistor 0 0 0
+ diode 1 1 1
- PII thermal diode 1 1 1
- 2N3904 diode 0 0 0
+
+ (error) CR[59h] bit 4(VTIN1) bit 2(VTIN2) bit 3(VTIN3)
+ (right) CR[59h] bit 4(VTIN1) bit 5(VTIN2) bit 6(VTIN3)
+
+ PII thermal diode 1 1 1
+ 2N3904 diode 0 0 0
+ =============================== =============== ============== ============
Asus Clones
@@ -251,18 +286,21 @@ Here are some very useful information that were given to us by Alex Van
Kaam about how to detect these chips, and how to read their values. He
also gives advice for another Asus chipset, the Mozart-2 (which we
don't support yet). Thanks Alex!
+
I reworded some parts and added personal comments.
-# Detection:
+Detection
+^^^^^^^^^
AS99127F rev.1, AS99127F rev.2 and ASB100:
- I2C address range: 0x29 - 0x2F
-- If register 0x58 holds 0x31 then we have an Asus (either ASB100 or
- AS99127F)
+- If register 0x58 holds 0x31 then we have an Asus (either ASB100 or AS99127F)
- Which one depends on register 0x4F (manufacturer ID):
- 0x06 or 0x94: ASB100
- 0x12 or 0xC3: AS99127F rev.1
- 0x5C or 0xA3: AS99127F rev.2
+
+ - 0x06 or 0x94: ASB100
+ - 0x12 or 0xC3: AS99127F rev.1
+ - 0x5C or 0xA3: AS99127F rev.2
+
Note that 0x5CA3 is Winbond's ID (WEC), which let us think Asus get their
AS99127F rev.2 direct from Winbond. The other codes mean ATT and DVC,
respectively. ATT could stand for Asustek something (although it would be
@@ -273,88 +311,103 @@ Mozart-2:
- I2C address: 0x77
- If register 0x58 holds 0x56 or 0x10 then we have a Mozart-2
- Of the Mozart there are 3 types:
- 0x58=0x56, 0x4E=0x94, 0x4F=0x36: Asus ASM58 Mozart-2
- 0x58=0x56, 0x4E=0x94, 0x4F=0x06: Asus AS2K129R Mozart-2
- 0x58=0x10, 0x4E=0x5C, 0x4F=0xA3: Asus ??? Mozart-2
+
+ - 0x58=0x56, 0x4E=0x94, 0x4F=0x36: Asus ASM58 Mozart-2
+ - 0x58=0x56, 0x4E=0x94, 0x4F=0x06: Asus AS2K129R Mozart-2
+ - 0x58=0x10, 0x4E=0x5C, 0x4F=0xA3: Asus ??? Mozart-2
+
You can handle all 3 the exact same way :)
-# Temperature sensors:
+Temperature sensors
+^^^^^^^^^^^^^^^^^^^
ASB100:
-- sensor 1: register 0x27
-- sensor 2 & 3 are the 2 LM75's on the SMBus
-- sensor 4: register 0x17
-Remark: I noticed that on Intel boards sensor 2 is used for the CPU
+ - sensor 1: register 0x27
+ - sensor 2 & 3 are the 2 LM75's on the SMBus
+ - sensor 4: register 0x17
+
+Remark:
+
+ I noticed that on Intel boards sensor 2 is used for the CPU
and 4 is ignored/stuck, on AMD boards sensor 4 is the CPU and sensor 2 is
either ignored or a socket temperature.
AS99127F (rev.1 and 2 alike):
-- sensor 1: register 0x27
-- sensor 2 & 3 are the 2 LM75's on the SMBus
-Remark: Register 0x5b is suspected to be temperature type selector. Bit 1
+ - sensor 1: register 0x27
+ - sensor 2 & 3 are the 2 LM75's on the SMBus
+
+Remark:
+
+ Register 0x5b is suspected to be temperature type selector. Bit 1
would control temp1, bit 3 temp2 and bit 5 temp3.
Mozart-2:
-- sensor 1: register 0x27
-- sensor 2: register 0x13
+ - sensor 1: register 0x27
+ - sensor 2: register 0x13
-# Fan sensors:
+Fan sensors
+^^^^^^^^^^^
ASB100, AS99127F (rev.1 and 2 alike):
-- 3 fans, identical to the W83781D
+ - 3 fans, identical to the W83781D
Mozart-2:
-- 2 fans only, 1350000/RPM/div
-- fan 1: register 0x28, divisor on register 0xA1 (bits 4-5)
-- fan 2: register 0x29, divisor on register 0xA1 (bits 6-7)
+ - 2 fans only, 1350000/RPM/div
+ - fan 1: register 0x28, divisor on register 0xA1 (bits 4-5)
+ - fan 2: register 0x29, divisor on register 0xA1 (bits 6-7)
-# Voltages:
+Voltages
+^^^^^^^^
This is where there is a difference between AS99127F rev.1 and 2.
-Remark: The difference is similar to the difference between
+
+Remark:
+
+ The difference is similar to the difference between
W83781D and W83782D.
ASB100:
-in0=r(0x20)*0.016
-in1=r(0x21)*0.016
-in2=r(0x22)*0.016
-in3=r(0x23)*0.016*1.68
-in4=r(0x24)*0.016*3.8
-in5=r(0x25)*(-0.016)*3.97
-in6=r(0x26)*(-0.016)*1.666
+ - in0=r(0x20)*0.016
+ - in1=r(0x21)*0.016
+ - in2=r(0x22)*0.016
+ - in3=r(0x23)*0.016*1.68
+ - in4=r(0x24)*0.016*3.8
+ - in5=r(0x25)*(-0.016)*3.97
+ - in6=r(0x26)*(-0.016)*1.666
AS99127F rev.1:
-in0=r(0x20)*0.016
-in1=r(0x21)*0.016
-in2=r(0x22)*0.016
-in3=r(0x23)*0.016*1.68
-in4=r(0x24)*0.016*3.8
-in5=r(0x25)*(-0.016)*3.97
-in6=r(0x26)*(-0.016)*1.503
+ - in0=r(0x20)*0.016
+ - in1=r(0x21)*0.016
+ - in2=r(0x22)*0.016
+ - in3=r(0x23)*0.016*1.68
+ - in4=r(0x24)*0.016*3.8
+ - in5=r(0x25)*(-0.016)*3.97
+ - in6=r(0x26)*(-0.016)*1.503
AS99127F rev.2:
-in0=r(0x20)*0.016
-in1=r(0x21)*0.016
-in2=r(0x22)*0.016
-in3=r(0x23)*0.016*1.68
-in4=r(0x24)*0.016*3.8
-in5=(r(0x25)*0.016-3.6)*5.14+3.6
-in6=(r(0x26)*0.016-3.6)*3.14+3.6
+ - in0=r(0x20)*0.016
+ - in1=r(0x21)*0.016
+ - in2=r(0x22)*0.016
+ - in3=r(0x23)*0.016*1.68
+ - in4=r(0x24)*0.016*3.8
+ - in5=(r(0x25)*0.016-3.6)*5.14+3.6
+ - in6=(r(0x26)*0.016-3.6)*3.14+3.6
Mozart-2:
-in0=r(0x20)*0.016
-in1=255
-in2=r(0x22)*0.016
-in3=r(0x23)*0.016*1.68
-in4=r(0x24)*0.016*4
-in5=255
-in6=255
+ - in0=r(0x20)*0.016
+ - in1=255
+ - in2=r(0x22)*0.016
+ - in3=r(0x23)*0.016*1.68
+ - in4=r(0x24)*0.016*4
+ - in5=255
+ - in6=255
-# PWM
+PWM
+^^^
* Additional info about PWM on the AS99127F (may apply to other Asus
-chips as well) by Jean Delvare as of 2004-04-09:
+ chips as well) by Jean Delvare as of 2004-04-09:
AS99127F revision 2 seems to have two PWM registers at 0x59 and 0x5A,
and a temperature sensor type selector at 0x5B (which basically means
@@ -401,15 +454,20 @@ AS99127F chips at all.
I've been fiddling around with the (in)famous 0x59 register and
found out the following values do work as a form of coarse pwm:
-0x80 - seems to turn fans off after some time(1-2 minutes)... might be
-some form of auto-fan-control based on temp? hmm (Qfan? this mobo is an
-old ASUS, it isn't marketed as Qfan. Maybe some beta pre-attempt at Qfan
-that was dropped at the BIOS)
-0x81 - off
-0x82 - slightly "on-ner" than off, but my fans do not get to move. I can
-hear the high-pitched PWM sound that motors give off at too-low-pwm.
-0x83 - now they do move. Estimate about 70% speed or so.
-0x84-0x8f - full on
+0x80
+ - seems to turn fans off after some time(1-2 minutes)... might be
+ some form of auto-fan-control based on temp? hmm (Qfan? this mobo is an
+ old ASUS, it isn't marketed as Qfan. Maybe some beta pre-attempt at Qfan
+ that was dropped at the BIOS)
+0x81
+ - off
+0x82
+ - slightly "on-ner" than off, but my fans do not get to move. I can
+ hear the high-pitched PWM sound that motors give off at too-low-pwm.
+0x83
+ - now they do move. Estimate about 70% speed or so.
+0x84-0x8f
+ - full on
Changing the high nibble doesn't seem to do much except the high bit
(0x80) must be set for PWM to work, else the current pwm doesn't seem to
@@ -435,6 +493,7 @@ looks like PWM is filtered on this motherboard.
Here are some of measurements:
+==== =========
0x80 20 mV
0x81 20 mV
0x82 232 mV
@@ -451,3 +510,4 @@ Here are some of measurements:
0x8d 12.4 V
0x8e 12.4 V
0x8f 12.4 V
+==== =========
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.