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Diffstat (limited to 'src/mainboard/google/link/acpi/mainboard.asl')
-rw-r--r-- | src/mainboard/google/link/acpi/mainboard.asl | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/mainboard/google/link/acpi/mainboard.asl b/src/mainboard/google/link/acpi/mainboard.asl new file mode 100644 index 0000000000..a2778a0e1a --- /dev/null +++ b/src/mainboard/google/link/acpi/mainboard.asl @@ -0,0 +1,103 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Google Inc. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +Scope (\_SB) { + Device (LID0) + { + Name(_HID, EisaId("PNP0C0D")) + Method(_LID, 0) + { + Store (\_SB.PCI0.LPCB.EC0.LIDS, \LIDS) + Return (\LIDS) + } + + // EC_LID_OUT is GPIO15 + Name(_PRW, Package(){0x1f, 0x05}) + } + + Device (PWRB) + { + Name(_HID, EisaId("PNP0C0C")) + } + + Device (TPAD) + { + Name (_ADR, 0x0) + Name (_UID, 1) + + // Report as a Sleep Button device so Linux will + // automatically enable it as a wake source + Name(_HID, EisaId("PNP0C0E")) + + // Trackpad Wake is GPIO12 + Name(_PRW, Package(){0x1c, 0x03}) + + Name(_CRS, ResourceTemplate() + { + // PIRQE -> GSI20 + Interrupt (ResourceConsumer, Edge, ActiveLow) {20} + + // SMBUS Address 0x4b + VendorShort (ADDR) {0x4b} + }) + } + + Device (TSCR) + { + Name (_ADR, 0x0) + Name (_UID, 2) + + // Report as a Sleep Button device so Linux will + // automatically enable it as a wake source + Name(_HID, EisaId("PNP0C0E")) + + // Touchscreen Wake is GPIO14 + Name(_PRW, Package(){0x1e, 0x03}) + + Name(_CRS, ResourceTemplate() + { + // PIRQG -> GSI22 + Interrupt (ResourceConsumer, Edge, ActiveLow) {22} + + // SMBUS Address 0x4a + VendorShort (ADDR) {0x4a} + }) + } + + // Keyboard Backlight interface via EC + Device (KBLT) { + Name (_HID, EisaId("GGL0002")) + Name (_UID, 1) + Name (_ADR, 0) + + // Read current backlight value + Method (KBQC, 0) + { + Return (\_SB.PCI0.LPCB.EC0.KBLV) + } + + // Write new backlight value + Method (KBCM, 1) + { + Store (Arg0, \_SB.PCI0.LPCB.EC0.KBLV) + } + } +} |