From c177ea5d8ea30178a26b53d8a4e9948ac17f06e8 Mon Sep 17 00:00:00 2001
From: "Mark M. Hoffman" <mhoffman@lightlink.com>
Date: Tue, 9 Dec 2003 06:17:04 +0000
Subject: [PATCH] Updated for ASB100

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@2148 7894878c-1315-0410-8ee3-d5d059ff63e0
---
 CHANGES                    |  4 +-
 doc/chips/asb100           | 80 ++++++++++++++++++++++++++++++++++++++
 prog/detect/sensors-detect |  2 +-
 3 files changed, 84 insertions(+), 2 deletions(-)
 create mode 100644 doc/chips/asb100

diff --git a/CHANGES b/CHANGES
index e277cb77..d93d361a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -19,7 +19,8 @@ ask CVS about it:
 2.8.2 (???)
   IMPORTANT: Limit initialization removed from all chip drivers!
              If you didn't run 'sensors -s' in the past you may need to now!
-  File sensors.conf.eg: Change lm75 scaling back to 1
+  File sensors.conf.eg: Change lm75 scaling back to 1;
+                        Add example for asb100
   Library: Fix bmcsensors scaling, increase number of sensors;
            Add w83627thf support; Advance version to 3.0.0;
            Add hermes, ADM1032, ASB100 support;
@@ -67,6 +68,7 @@ ask CVS about it:
                           Reduce lm80 misdetects; remove PCFxxxx "detection"
                           Detect VT8237 (KT600)
                           Use VPD instead of DMI+ACPI for Thinkpad detection
+                          Suggest new asb100 driver instead of w83781d
 
 
 2.8.1 (20031005)
diff --git a/doc/chips/asb100 b/doc/chips/asb100
new file mode 100644
index 00000000..58a07ef7
--- /dev/null
+++ b/doc/chips/asb100
@@ -0,0 +1,80 @@
+Kernel driver `asb100.o'
+========================
+
+Status: Work in progress
+
+Supported Chips:
+  * Asus ASB100 and ASB100-A "Bach"
+    Addresses scanned: I2C 0x28-0x2f (inclusive) ISA (none)
+    Datasheet: none released
+
+Author: Mark M. Hoffman <mhoffman@lightlink.com>
+
+Module Parameters
+-----------------
+
+<TODO: fill in here>
+
+Description
+-----------
+
+This driver implements support for the Asus ASB100 and ASB100-A "Bach".  These
+are custom ASICs available only on Asus mainboards.  Asus refuses to supply a
+datasheet for these chips. Thanks go to many people who helped investigate
+their hardware, including:
+
+Vitaly V. Bursov
+Alexander van Kaam (author of MBM for Windows)
+Bertrik Sikken
+
+The ASB100 implements seven voltage sensors, three fan rotation speed sensors,
+four temperature sensors, VID lines and alarms.  In addition to these, the
+ASB100-A also implements a single PWM controller for fans 2 and 3 (i.e. one
+setting controls both.)  If you have a plain ASB100, the pwm controller will
+simply not work (or maybe it will for you... it doesn't for me).
+
+Temperatures are measured and reported in degrees Celcius.
+
+Fan speeds are reported in RPM (rotations per minute).  An alarm is triggered
+if the rotation speed has dropped below a programmable limit.
+
+Voltage sensors (also known as IN sensors) report values in volts.
+
+The VID lines encode the core voltage value: the voltage level your processor
+should work with. This is hardcoded by the mainboard and/or processor itself.
+It is a value in volts.
+
+Alarms: (TODO question marks indicate may or may not work)
+
+0x0001 => in0 (?)
+0x0002 => in1 (?)
+0x0004 => in2
+0x0008 => in3
+0x0010 => temp1 (1)
+0x0020 => temp2
+0x0040 => fan1
+0x0080 => fan2
+0x0100 => in4
+0x0200 => in5 (?) (2)
+0x0400 => in6 (?) (2)
+0x0800 => fan3
+0x1000 => chassis switch
+0x2000 => temp3
+
+Alarm Notes:
+
+(1) This alarm will only trigger if the hysteresis value is 127C.
+I.e. it behaves the same as w83781d.
+
+(2) The min and max registers for these values appear to
+be read-only or otherwise stuck at 0x00.
+
+TODO:
+* Experiment with fan divisors > 8.
+* Experiment with temp. sensor types.
+* Are there really 13 voltage inputs?  Probably not...
+* Fix bogus client deregistration (like w83781d in 2.6).
+* Fix fan divisor / fan minimum interaction (like lm78).
+* Beeps are broken.
+* Cleanups, no doubt...
+
diff --git a/prog/detect/sensors-detect b/prog/detect/sensors-detect
index 956ff253..55ffa657 100755
--- a/prog/detect/sensors-detect
+++ b/prog/detect/sensors-detect
@@ -940,7 +940,7 @@ use subs qw(mtp008_detect lm78_detect lm78_isa_detect lm78_alias_detect
      } ,
      {
        name => "Asus ASB100 Bach",
-       driver => "w83781d",
+       driver => "asb100",
        i2c_addrs => [0x28..0x2f],
        i2c_detect => sub { w83781d_detect 6, @_},
      } ,