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-rw-r--r--src/mainboard/google/glados/acpi/mainboard.asl95
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diff --git a/src/mainboard/google/glados/acpi/mainboard.asl b/src/mainboard/google/glados/acpi/mainboard.asl
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+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 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.
+ */
+
+#define BOARD_TRACKPAD_I2C_ADDR 0x15
+#define BOARD_TRACKPAD_IRQ 0x33
+
+Scope (\_SB)
+{
+ Device (LID0)
+ {
+ Name (_HID, EisaId("PNP0C0D"))
+ Method (_LID, 0)
+ {
+ Return (\_SB.PCI0.LPCB.EC0.LIDS)
+ }
+ }
+
+ Device (PWRB)
+ {
+ Name(_HID, EisaId("PNP0C0C"))
+ }
+
+ /* Keyboard Backlight interface via EC */
+ Device (KBLT) {
+ Name (_HID, "GOOG0002")
+ Name (_UID, 1)
+
+ /* 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)
+ }
+ }
+}
+
+/*
+ * LPC Trusted Platform Module
+ */
+Scope (\_SB.PCI0.LPCB)
+{
+ #include <drivers/pc80/tpm/acpi/tpm.asl>
+}
+
+/* Trackpad */
+Scope (\_SB.PCI0.I2C1)
+{
+ Device (ELAN)
+ {
+ Name (_HID, "ELAN0000")
+ Name (_DDN, "Elan Touchpad")
+ Name (_UID, 3)
+ Name (_S0W, 4)
+ Name (ISTP, 1) /* TouchPad */
+ Name (_CRS, ResourceTemplate()
+ {
+ I2cSerialBus (
+ BOARD_TRACKPAD_I2C_ADDR, /* SlaveAddress */
+ ControllerInitiated, /* SlaveMode */
+ 400000, /* ConnectionSpeed */
+ AddressingMode7Bit, /* AddressingMode */
+ "\\_SB.PCI0.I2C1", /* ResourceSource */
+ )
+ Interrupt (ResourceConsumer, Edge, ActiveLow)
+ {
+ BOARD_TRACKPAD_IRQ
+ }
+ })
+ Method (_STA)
+ {
+ Return (0xF)
+ }
+ }
+}