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/*
* This file is part of the coreboot project.
*
*
* 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)
Method (RSET, 0, Serialized) {
Debug = "S76D: RSET"
SAPL(0)
SKBL(0)
}
Method (INIT, 0, Serialized) {
Debug = "S76D: INIT"
RSET()
If (^^PCI0.LPCB.EC0.ECOK) {
// Set flags to use software control
^^PCI0.LPCB.EC0.ECOS = 2
Return (0)
} Else {
Return (1)
}
}
Method (FINI, 0, Serialized) {
Debug = "S76D: FINI"
RSET()
If (^^PCI0.LPCB.EC0.ECOK) {
// Set flags to use hardware control
^^PCI0.LPCB.EC0.ECOS = 1
Return (0)
} Else {
Return (1)
}
}
// 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
}
}
}
// 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
}
}
}
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