1 Kernel driver asb100
2 ====================
3
4 Supported Chips:
5
6 * Asus ASB100 and ASB100-A "Bach"
7
8 Prefix: 'asb100'
9
10 Addresses scanned: I2C 0x2d
11
12 Datasheet: none released
13
14 Author: Mark M. Hoffman <mhoffman@lightlink.com
15
16 Description
17 -----------
18
19 This driver implements support for the Asus AS
20 These are custom ASICs available only on Asus
21 supply a datasheet for these chips. Thanks go
22 investigate their hardware, including:
23
24 Vitaly V. Bursov
25 Alexander van Kaam (author of MBM for Windows)
26 Bertrik Sikken
27
28 The ASB100 implements seven voltage sensors, t
29 sensors, four temperature sensors, VID lines a
30 these, the ASB100-A also implements a single P
31 3 (i.e. one setting controls both.) If you hav
32 controller will simply not work (or maybe it w
33 me).
34
35 Temperatures are measured and reported in degr
36
37 Fan speeds are reported in RPM (rotations per
38 triggered if the rotation speed has dropped be
39
40 Voltage sensors (also known as IN sensors) rep
41
42 The VID lines encode the core voltage value: t
43 processor should work with. This is hardcoded
44 processor itself. It is a value in volts.
45
46 Alarms: (TODO question marks indicate may or m
47
48 - 0x0001 => in0 (?)
49 - 0x0002 => in1 (?)
50 - 0x0004 => in2
51 - 0x0008 => in3
52 - 0x0010 => temp1 [1]_
53 - 0x0020 => temp2
54 - 0x0040 => fan1
55 - 0x0080 => fan2
56 - 0x0100 => in4
57 - 0x0200 => in5 (?) [2]_
58 - 0x0400 => in6 (?) [2]_
59 - 0x0800 => fan3
60 - 0x1000 => chassis switch
61 - 0x2000 => temp3
62
63 .. [1] This alarm will only trigger if the hy
64 I.e. it behaves the same as w83781d.
65
66 .. [2] The min and max registers for these va
67 be read-only or otherwise stuck at 0x0
68
69 TODO:
70 * Experiment with fan divisors > 8.
71 * Experiment with temp. sensor types.
72 * Are there really 13 voltage inputs? Probab
73 * Cleanups, no doubt...
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