Files
system76-coreboot/src/ec/starlabs/merlin/acpi/cmos.asl
Sean Rhodes 296994bec8 ec/starlabs: Add standardised ITE EC support
Add EC support that supports different Q Events and EC memory.
Created from the ITE IT5570E and IT8987E datasheets, all using
data port 0x4e.

Tested with Ubuntu 20.04.3 and Windows 10 on:

* StarBook Mk V (TGL + IT5570E):
*  ITE Firmware 1.00
*  Merlin Firmware 1.00

* LabTop Mk IV (CML + IT8987E):
*  ITE Firmware 1.04

* LabTop Mk III (KBL + IT8987E):
*  ITE Firmware 3.12

Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: I8023c26de23c874c84106fda96e64dcfa0c5ba32
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58343
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Andy Pont <andy.pont@sdcsystems.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2021-11-22 14:46:20 +00:00

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/* SPDX-License-Identifier: GPL-2.0-only */
OperationRegion (CMOS, SystemIO, 0x70, 0x2)
Field (CMOS, ByteAcc, NoLock, Preserve)
{
IND1, 8,
DAT1, 8,
}
IndexField (IND1, DAT1, ByteAcc, NoLock, Preserve)
{
Offset (0x4b),
KLTC, 8, // Keyboard Backlight Timeout
FCLS, 8, // Ctrl Fn Reverse (make keyboard Apple-like)
MXCH, 8, // Max Charge Level
FNMD, 8, // Fan Mode
}
OperationRegion (CMS2, SystemIO, 0x72, 0x2)
Field (CMS2, ByteAcc, NoLock, Preserve)
{
IND2, 8,
DAT2, 8,
}
IndexField (IND2, DAT2, ByteAcc, NoLock, Preserve)
{
Offset (0x80),
FLKS, 8, // Function Lock State
TPLS, 8, // Trackpad State
KLBC, 8, // Keyboard Backlight Brightness
KLSC, 8, // Keyboard Backlight State
}