From: Guenter Roeck Date: Wed, 21 Sep 2016 14:55:34 +0000 (-0700) Subject: Update README to match upstream documentation X-Git-Tag: v1.0~60 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=7eca3463143fb3ca27e8cdd3d3eb7783b6f6948d;p=groeck-it87 Update README to match upstream documentation Signed-off-by: Guenter Roeck --- diff --git a/README b/README index 19fbe77..fff6f6b 100644 --- a/README +++ b/README @@ -6,6 +6,13 @@ Supported chips: Prefix: 'it8603' Addresses scanned: from Super I/O config space (8 I/O ports) Datasheet: Not publicly available + * IT8620E + Prefix: 'it8620' + Addresses scanned: from Super I/O config space (8 I/O ports) + * IT8628E + Prefix: 'it8628' + Addresses scanned: from Super I/O config space (8 I/O ports) + Datasheet: Not publicly available * IT8705F Prefix: 'it87' Addresses scanned: from Super I/O config space (8 I/O ports) @@ -34,6 +41,10 @@ Supported chips: Prefix: 'it8728' Addresses scanned: from Super I/O config space (8 I/O ports) Datasheet: Not publicly available + * IT8732F + Prefix: 'it8732' + Addresses scanned: from Super I/O config space (8 I/O ports) + Datasheet: Not publicly available * IT8771E Prefix: 'it8771' Addresses scanned: from Super I/O config space (8 I/O ports) @@ -58,6 +69,10 @@ Supported chips: Prefix: 'it8786' Addresses scanned: from Super I/O config space (8 I/O ports) Datasheet: Not publicly available + * IT8790E + Prefix: 'it8790' + Addresses scanned: from Super I/O config space (8 I/O ports) + Datasheet: Not publicly available * SiS950 [clone of IT8705F] Prefix: 'it87' Addresses scanned: from Super I/O config space (8 I/O ports) @@ -102,9 +117,10 @@ motherboard models. Description ----------- -This driver implements support for the IT8603E, IT8623E, IT8705F, IT8712F, -IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E, IT8771E, -IT8772E, IT8781F, IT8782F, IT8783E/F, IT8786E, and SiS950 chips. +This driver implements support for the IT8603E, IT8620E, IT8623E, IT8628E, +IT8705F, IT8712F, IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8732F, +IT8758E, IT8771E, IT8772E, IT8781F, IT8782F, IT8783E/F, IT8786E, IT8790E, and +SiS950 chips. These chips are 'Super I/O chips', supporting floppy disks, infrared ports, joysticks and other miscellaneous stuff. For hardware monitoring, they @@ -128,10 +144,10 @@ The IT8716F, IT8718F, IT8720F, IT8721F/IT8758E and later IT8712F revisions have support for 2 additional fans. The additional fans are supported by the driver. -The IT8716F, IT8718F, IT8720F, IT8721F/IT8758E, IT8781F, IT8782F, IT8783E/F, -and late IT8712F and IT8705F also have optional 16-bit tachometer counters -for fans 1 to 3. This is better (no more fan clock divider mess) but not -compatible with the older chips and revisions. The 16-bit tachometer mode +The IT8716F, IT8718F, IT8720F, IT8721F/IT8758E, IT8732F, IT8781F, IT8782F, +IT8783E/F, and late IT8712F and IT8705F also have optional 16-bit tachometer +counters for fans 1 to 3. This is better (no more fan clock divider mess) but +not compatible with the older chips and revisions. The 16-bit tachometer mode is enabled by the driver when one of the above chips is detected. The IT8726F is just bit enhanced IT8716F with additional hardware @@ -142,8 +158,16 @@ The IT8728F, IT8771E, and IT8772E are considered compatible with the IT8721F, until a datasheet becomes available (hopefully.) The IT8603E/IT8623E is a custom design, hardware monitoring part is similar to -IT8728F. It only supports 16-bit fan mode, the full speed mode of the -fan is not supported (value 0 of pwmX_enable). +IT8728F. It only supports 3 fans, 16-bit fan mode, and the full speed mode +of the fan is not supported (value 0 of pwmX_enable). + +The IT8620E and IT8628E are custom designs, hardware monitoring part is similar +to IT8728F. It only supports 16-bit fan mode. Both chips support up to 6 fans. + +The IT8790E supports up to 3 fans. 16-bit fan mode is always enabled. + +The IT8732F supports a closed-loop mode for fan control, but this is not +currently implemented by the driver. Temperatures are measured in degrees Celsius. An alarm is triggered once when the Overtemperature Shutdown limit is crossed. @@ -159,13 +183,15 @@ is done. Voltage sensors (also known as IN sensors) report their values in volts. An alarm is triggered if the voltage has crossed a programmable minimum or maximum limit. Note that minimum in this case always means 'closest to -zero'; this is important for negative voltage measurements. All voltage -inputs can measure voltages between 0 and 4.08 volts, with a resolution of -0.016 volt (except IT8603E, IT8721F/IT8758E and IT8728F: 0.012 volt.) The -battery voltage in8 does not have limit registers. - -On the IT8603E, IT8721F/IT8758E, IT8781F, IT8782F, and IT8783E/F, some -voltage inputs are internal and scaled inside the chip: +zero'; this is important for negative voltage measurements. On most chips, all +voltage inputs can measure voltages between 0 and 4.08 volts, with a resolution +of 0.016 volt. IT8603E, IT8721F/IT8758E and IT8728F can measure between 0 and +3.06 volts, with a resolution of 0.012 volt. IT8732F can measure between 0 and +2.8 volts with a resolution of 0.0109 volt. The battery voltage in8 does not +have limit registers. + +On the IT8603E, IT8620E, IT8628E, IT8721F/IT8758E, IT8732F, IT8781F, IT8782F, +and IT8783E/F, some voltage inputs are internal and scaled inside the chip: * in3 (optional) * in7 (optional for IT8781F, IT8782F, and IT8783E/F) * in8 (always)