diff options
Diffstat (limited to '')
| -rw-r--r-- | Documentation/hwmon/w83792d | 112 |
1 files changed, 65 insertions, 47 deletions
diff --git a/Documentation/hwmon/w83792d b/Documentation/hwmon/w83792d index f2ffc402ea45..92c4bfe4968c 100644 --- a/Documentation/hwmon/w83792d +++ b/Documentation/hwmon/w83792d @@ -2,9 +2,13 @@ Kernel driver w83792d ===================== Supported chips: + * Winbond W83792D + Prefix: 'w83792d' + Addresses scanned: I2C 0x2c - 0x2f + Datasheet: http://www.winbond.com.tw Author: Shane Huang (Winbond) @@ -15,15 +19,16 @@ 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. * force_subclients=bus,caddr,saddr,saddr - This is used to force the i2c addresses for subclients of - a certain chip. Example usage is `force_subclients=0,0x2f,0x4a,0x4b' - to force the subclients of chip 0x2f on bus 0 to i2c addresses - 0x4a and 0x4b. + This is used to force the i2c addresses for subclients of + a certain chip. Example usage is `force_subclients=0,0x2f,0x4a,0x4b` + to force the subclients of chip 0x2f on bus 0 to i2c addresses + 0x4a and 0x4b. Description @@ -67,31 +72,34 @@ or maximum limit. Alarms are provided as output from "realtime status register". Following bits are defined: -bit - alarm on: -0 - in0 -1 - in1 -2 - temp1 -3 - temp2 -4 - temp3 -5 - fan1 -6 - fan2 -7 - fan3 -8 - in2 -9 - in3 -10 - in4 -11 - in5 -12 - in6 -13 - VID change -14 - chassis -15 - fan7 -16 - tart1 -17 - tart2 -18 - tart3 -19 - in7 -20 - in8 -21 - fan4 -22 - fan5 -23 - fan6 +==== ========== +bit alarm on +==== ========== +0 in0 +1 in1 +2 temp1 +3 temp2 +4 temp3 +5 fan1 +6 fan2 +7 fan3 +8 in2 +9 in3 +10 in4 +11 in5 +12 in6 +13 VID change +14 chassis +15 fan7 +16 tart1 +17 tart2 +18 tart3 +19 in7 +20 in8 +21 fan4 +22 fan5 +23 fan6 +==== ========== Tart will be asserted while target temperature cannot be achieved after 3 minutes of full speed rotation of corresponding fan. @@ -114,7 +122,7 @@ Known problems: by CR[0x49h]. - The function of vid and vrm has not been finished, because I'm NOT very familiar with them. Adding support is welcome. - - The function of chassis open detection needs more tests. + - The function of chassis open detection needs more tests. - If you have ASUS server board and chip was not found: Then you will need to upgrade to latest (or beta) BIOS. If it does not help please contact us. @@ -165,17 +173,27 @@ for each fan. /sys files ---------- -pwm[1-7] - this file stores PWM duty cycle or DC value (fan speed) in range: - 0 (stop) to 255 (full) -pwm[1-3]_enable - this file controls mode of fan/temperature control: - * 0 Disabled - * 1 Manual mode - * 2 Smart Fan II - * 3 Thermal Cruise -pwm[1-7]_mode - Select PWM or DC mode - * 0 DC - * 1 PWM -thermal_cruise[1-3] - Selects the desired temperature for cruise (degC) -tolerance[1-3] - Value in degrees of Celsius (degC) for +- T -sf2_point[1-4]_fan[1-3] - four temperature points for each fan for Smart Fan II -sf2_level[1-3]_fan[1-3] - three PWM/DC levels for each fan for Smart Fan II +pwm[1-7] + - this file stores PWM duty cycle or DC value (fan speed) in range: + + 0 (stop) to 255 (full) +pwm[1-3]_enable + - this file controls mode of fan/temperature control: + + * 0 Disabled + * 1 Manual mode + * 2 Smart Fan II + * 3 Thermal Cruise +pwm[1-7]_mode + - Select PWM or DC mode + + * 0 DC + * 1 PWM +thermal_cruise[1-3] + - Selects the desired temperature for cruise (degC) +tolerance[1-3] + - Value in degrees of Celsius (degC) for +- T +sf2_point[1-4]_fan[1-3] + - four temperature points for each fan for Smart Fan II +sf2_level[1-3]_fan[1-3] + - three PWM/DC levels for each fan for Smart Fan II |