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system76-coreboot/src/mainboard/system76/whl-u/acpi/s76.asl
2019-05-02 15:32:17 -06:00

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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2019 System76
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
// Notifications:
// 0x80 - hardware backlight toggle
// 0x81 - backlight toggle
// 0x82 - backlight down
// 0x83 - backlight up
// 0x84 - backlight color change
Device (S76D) {
Name (_HID, "17761776")
Name (_UID, 0)
// Get Airplane LED
Method (GAPL, 0, Serialized) {
If (^^PCI0.LPCB.EC0.ECOK) {
If (^^PCI0.LPCB.EC0.AIRP & 0x40) {
Return (1)
}
}
Return (0)
}
// Set Airplane LED
Method (SAPL, 1, Serialized) {
If (^^PCI0.LPCB.EC0.ECOK) {
If (Arg0) {
^^PCI0.LPCB.EC0.AIRP |= 0x40
} Else {
^^PCI0.LPCB.EC0.AIRP &= 0xBF
}
}
}
#if CONFIG_MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID == 0x1325
// Set KB LED Brightness
Method (SKBL, 1, Serialized) {
If (^^PCI0.LPCB.EC0.ECOK) {
^^PCI0.LPCB.EC0.FDAT = 6
^^PCI0.LPCB.EC0.FBUF = Arg0
^^PCI0.LPCB.EC0.FBF1 = 0
^^PCI0.LPCB.EC0.FBF2 = Arg0
^^PCI0.LPCB.EC0.FCMD = 0xCA
}
}
// Set Keyboard Color
Method (SKBC, 1, Serialized) {
If (^^PCI0.LPCB.EC0.ECOK) {
^^PCI0.LPCB.EC0.FDAT = 0x3
^^PCI0.LPCB.EC0.FBUF = (Arg0 & 0xFF)
^^PCI0.LPCB.EC0.FBF1 = ((Arg0 >> 16) & 0xFF)
^^PCI0.LPCB.EC0.FBF2 = ((Arg0 >> 8) & 0xFF)
^^PCI0.LPCB.EC0.FCMD = 0xCA
Return (Arg0)
} Else {
Return (0)
}
}
#elif CONFIG_MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID == 0x1323
// Get KB LED
Method (GKBL, 0, Serialized) {
Local0 = 0
If (^^PCI0.LPCB.EC0.ECOK) {
^^PCI0.LPCB.EC0.FDAT = One
^^PCI0.LPCB.EC0.FCMD = 0xCA
Local0 = ^^PCI0.LPCB.EC0.FBUF
^^PCI0.LPCB.EC0.FCMD = Zero
}
Return (Local0)
}
// Set KB Led
Method (SKBL, 1, Serialized) {
If (^^PCI0.LPCB.EC0.ECOK) {
^^PCI0.LPCB.EC0.FDAT = Zero
^^PCI0.LPCB.EC0.FBUF = Arg0
^^PCI0.LPCB.EC0.FCMD = 0xCA
}
}
#else
#error Unknown Mainboard
#endif
}