diff options
Diffstat (limited to 'Documentation/hwmon/w83627hf')
| -rw-r--r-- | Documentation/hwmon/w83627hf | 57 |
1 files changed, 50 insertions, 7 deletions
diff --git a/Documentation/hwmon/w83627hf b/Documentation/hwmon/w83627hf index 6ee36dbafd6..8432e111817 100644 --- a/Documentation/hwmon/w83627hf +++ b/Documentation/hwmon/w83627hf @@ -5,23 +5,19 @@ Supported chips: * Winbond W83627HF (ISA accesses ONLY) Prefix: 'w83627hf' Addresses scanned: ISA address retrieved from Super I/O registers - Datasheet: http://www.winbond.com/PDF/sheet/w83627hf.pdf * Winbond W83627THF Prefix: 'w83627thf' Addresses scanned: ISA address retrieved from Super I/O registers - Datasheet: http://www.winbond.com/PDF/sheet/w83627thf.pdf * Winbond W83697HF Prefix: 'w83697hf' Addresses scanned: ISA address retrieved from Super I/O registers - Datasheet: http://www.winbond.com/PDF/sheet/697hf.pdf * Winbond W83637HF Prefix: 'w83637hf' Addresses scanned: ISA address retrieved from Super I/O registers - Datasheet: http://www.winbond.com/PDF/sheet/w83637hf.pdf * Winbond W83687THF Prefix: 'w83687thf' Addresses scanned: ISA address retrieved from Super I/O registers - Datasheet: Provided by Winbond on request + Datasheet: Provided by Winbond on request(http://www.winbond.com/hq/enu) Authors: Frodo Looijaard <frodol@dds.nl>, @@ -32,8 +28,6 @@ Authors: Module Parameters ----------------- -* force_addr: int - Initialize the ISA address of the sensors * force_i2c: int Initialize the I2C address of the sensors * init: int @@ -70,3 +64,52 @@ doesn't help, you may just ignore the bogus VID reading with no harm done. For further information on this driver see the w83781d driver documentation. [1] http://www.lm-sensors.org/browser/lm-sensors/trunk/doc/vid + +Forcing the address +------------------- + +The driver used to have a module parameter named force_addr, which could +be used to force the base I/O address of the hardware monitoring block. +This was meant as a workaround for mainboards with a broken BIOS. This +module parameter is gone for technical reasons. If you need this feature, +you can obtain the same result by using the isaset tool (part of +lm-sensors) before loading the driver: + +# Enter the Super I/O config space +isaset -y -f 0x2e 0x87 +isaset -y -f 0x2e 0x87 + +# Select the hwmon logical device +isaset -y 0x2e 0x2f 0x07 0x0b + +# Set the base I/O address (to 0x290 in this example) +isaset -y 0x2e 0x2f 0x60 0x02 +isaset -y 0x2e 0x2f 0x61 0x90 + +# Exit the Super-I/O config space +isaset -y -f 0x2e 0xaa + +The above sequence assumes a Super-I/O config space at 0x2e/0x2f, but +0x4e/0x4f is also possible. + +Voltage pin mapping +------------------- + +Here is a summary of the voltage pin mapping for the W83627THF. This +can be useful to convert data provided by board manufacturers into +working libsensors configuration statements. + + W83627THF | + Pin | Name | Register | Sysfs attribute +----------------------------------------------------- + 100 | CPUVCORE | 20h | in0 + 99 | VIN0 | 21h | in1 + 98 | VIN1 | 22h | in2 + 97 | VIN2 | 24h | in4 + 114 | AVCC | 23h | in3 + 61 | 5VSB | 50h (bank 5) | in7 + 74 | VBAT | 51h (bank 5) | in8 + +For other supported devices, you'll have to take the hard path and +look up the information in the datasheet yourself (and then add it +to this document please.) |