| 1 | Kernel driver `smartbatt.o' |
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| 2 | ========================== |
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| 3 | |
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| 4 | Status: Alpha |
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| 5 | |
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| 6 | Supported chips: |
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| 7 | * Smart batteries |
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| 8 | Prefix: 'smartbatt' |
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| 9 | Address scanned: 0x0b |
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| 10 | Datasheet: Smart Battery Data Specification Revision 1.1 |
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| 11 | http://www.sbs-forum.org/ |
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| 12 | |
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| 13 | Author: M. Studebaker <mdsxyz123@yahoo.com> |
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| 14 | |
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| 15 | License: GPL |
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| 16 | |
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| 17 | |
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| 18 | Module Parameters |
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| 19 | ----------------- |
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| 20 | |
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| 21 | * force: short array (min = 1, max = 48) |
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| 22 | List of adapter,address pairs to boldly assume to be present |
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| 23 | * force_smartbatt: short array (min = 1, max = 48) |
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| 24 | List of adapter,address pairs which are unquestionably assumed to contain |
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| 25 | a `smartbatt' chip |
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| 26 | * probe: short array (min = 1, max = 48) |
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| 27 | List of adapter,address pairs to scan additionally |
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| 28 | * probe_range: short array (min = 1, max = 48) |
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| 29 | List of adapter,start-addr,end-addr triples to scan additionally |
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| 30 | * ignore: short array (min = 1, max = 48) |
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| 31 | List of adapter,address pairs not to scan |
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| 32 | * ignore_range: short array (min = 1, max = 48) |
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| 33 | List of adapter,start-addr,end-addr triples not to scan |
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| 34 | |
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| 35 | |
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| 36 | Detection |
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| 37 | --------- |
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| 38 | |
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| 39 | Very poor. Just looks for the presence of some registers. |
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| 40 | |
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| 41 | |
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| 42 | Uses |
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| 43 | ---- |
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| 44 | |
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| 45 | Provides read-only access to battery voltage, current, temperature, |
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| 46 | charge status, time remaining, and alarms. |
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| 47 | |
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| 48 | |
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| 49 | /proc entries |
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| 50 | ------------- |
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| 51 | |
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| 52 | Average readings are one minute rolling averages. |
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| 53 | |
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| 54 | alarms bitmask |
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| 55 | charge relative charge, absolute charge (%) |
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| 56 | i average current, instantaneous current (A) |
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| 57 | temp temperature (deg. C) |
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| 58 | time avg. time to empty, avg. time to full, |
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| 59 | instantaneous time to full (min) |
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| 60 | v max voltage, current voltage (V) |
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| 61 | |
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| 62 | |
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| 63 | To do |
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| 64 | ----- |
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| 65 | |
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| 66 | More features. |
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