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-rw-r--r--src/ec/google/chromeec/acpi/ac.asl36
-rw-r--r--src/ec/google/chromeec/acpi/battery.asl230
-rw-r--r--src/ec/google/chromeec/acpi/ec.asl230
-rw-r--r--src/ec/google/chromeec/acpi/superio.asl152
4 files changed, 648 insertions, 0 deletions
diff --git a/src/ec/google/chromeec/acpi/ac.asl b/src/ec/google/chromeec/acpi/ac.asl
new file mode 100644
index 0000000000..34b9080fa4
--- /dev/null
+++ b/src/ec/google/chromeec/acpi/ac.asl
@@ -0,0 +1,36 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
+ *
+ * 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 (EC0)
+
+Device (AC)
+{
+ Name (_HID, "ACPI0003")
+ Name (_PCL, Package () { \_SB })
+
+ Method (_PSR)
+ {
+ Return (ACEX)
+ }
+
+ Method (_STA)
+ {
+ Return (0x0F)
+ }
+}
diff --git a/src/ec/google/chromeec/acpi/battery.asl b/src/ec/google/chromeec/acpi/battery.asl
new file mode 100644
index 0000000000..341911c372
--- /dev/null
+++ b/src/ec/google/chromeec/acpi/battery.asl
@@ -0,0 +1,230 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * 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 (EC0)
+
+Device (BAT0)
+{
+ Name (_HID, EISAID ("PNP0C0A"))
+ Name (_UID, 1)
+ Name (_PCL, Package () { \_SB })
+
+ Name (PBIF, Package () {
+ 0x00000001, // 0x00: Power Unit: mAh
+ 0xFFFFFFFF, // 0x01: Design Capacity
+ 0xFFFFFFFF, // 0x02: Last Full Charge Capacity
+ 0x00000001, // 0x03: Battery Technology: Rechargeable
+ 0xFFFFFFFF, // 0x04: Design Voltage
+ 0x00000003, // 0x05: Design Capacity of Warning
+ 0xFFFFFFFF, // 0x06: Design Capacity of Low
+ 0x00000001, // 0x07: Capacity Granularity 1
+ 0x00000001, // 0x08: Capacity Granularity 2
+ "", // 0x09: Model Number
+ "", // 0x0a: Serial Number
+ "LION", // 0x0b: Battery Type
+ "" // 0x0c: OEM Information
+ })
+
+ Name (PBIX, Package () {
+ 0x00000000, // 0x00: Revision
+ 0x00000001, // 0x01: Power Unit: mAh
+ 0xFFFFFFFF, // 0x02: Design Capacity
+ 0xFFFFFFFF, // 0x03: Last Full Charge Capacity
+ 0x00000001, // 0x04: Battery Technology: Rechargeable
+ 0xFFFFFFFF, // 0x05: Design Voltage
+ 0x00000003, // 0x06: Design Capacity of Warning
+ 0xFFFFFFFF, // 0x07: Design Capacity of Low
+ 0x00000000, // 0x08: Cycle Count
+ 0x00018000, // 0x09: Measurement Accuracy (98.3%?)
+ 0x000001F4, // 0x0a: Max Sampling Time (500ms)
+ 0x0000000a, // 0x0b: Min Sampling Time (10ms)
+ 0xFFFFFFFF, // 0x0c: Max Averaging Interval
+ 0xFFFFFFFF, // 0x0d: Min Averaging Interval
+ 0x00000001, // 0x0e: Capacity Granularity 1
+ 0x00000001, // 0x0f: Capacity Granularity 2
+ "", // 0x10 Model Number
+ "", // 0x11: Serial Number
+ "LION", // 0x12: Battery Type
+ "" // 0x13: OEM Information
+ })
+
+ Name (PBST, Package () {
+ 0x00000000, // 0x00: Battery State
+ 0xFFFFFFFF, // 0x01: Battery Present Rate
+ 0xFFFFFFFF, // 0x02: Battery Remaining Capacity
+ 0xFFFFFFFF, // 0x03: Battery Present Voltage
+ })
+ Name (BSTP, Zero)
+
+ // Workaround for full battery status, enabled by default
+ Name (BFWK, One)
+
+ // Method to enable full battery workaround
+ Method (BFWE)
+ {
+ Store (One, BFWK)
+ }
+
+ // Method to disable full battery workaround
+ Method (BFWD)
+ {
+ Store (Zero, BFWK)
+ }
+
+ Method (_STA, 0, Serialized)
+ {
+ If (BTEX) {
+ Return (0x1F)
+ } Else {
+ Return (0x0F)
+ }
+ }
+
+ Method (_BIF, 0, Serialized)
+ {
+ // Last Full Charge Capacity
+ Store (BTDF, Index (PBIF, 2))
+
+ // Design Voltage
+ Store (BTDV, Index (PBIF, 4))
+
+ // Design Capacity
+ Store (BTDA, Local0)
+ Store (Local0, Index (PBIF, 1))
+
+ // Design Capacity of Warning
+ Divide (Multiply (Local0, DWRN), 100, Local1, Local2)
+ Store (Local2, Index (PBIF, 5))
+
+ // Design Capacity of Low
+ Divide (Multiply (Local0, DLOW), 100, Local1, Local2)
+ Store (Local2, Index (PBIF, 6))
+
+ // Get battery info from mainboard
+ Store (ToString(BMOD), Index (PBIF, 9))
+ Store (ToString(BSER), Index (PBIF, 10))
+ Store (ToString(BMFG), Index (PBIF, 12))
+
+ Return (PBIF)
+ }
+
+ // Extended Battery info method is disabled for now due to
+ // a bug in the Linux kernel: http://crosbug.com/28747
+ Method (XBIX, 0, Serialized)
+ {
+ // Last Full Charge Capacity
+ Store (BTDF, Index (PBIX, 3))
+
+ // Design Voltage
+ Store (BTDV, Index (PBIX, 5))
+
+ // Design Capacity
+ Store (BTDA, Local0)
+ Store (Local0, Index (PBIX, 2))
+
+ // Design Capacity of Warning
+ Divide (Multiply (Local0, DWRN), 100, Local1, Local2)
+ Store (Local2, Index (PBIX, 6))
+
+ // Design Capacity of Low
+ Divide (Multiply (Local0, DLOW), 100, Local1, Local2)
+ Store (Local2, Index (PBIX, 7))
+
+ // Cycle Count
+ Store (BTCC, Index (PBIX, 8))
+
+ // Get battery info from mainboard
+ Store (ToString(BMOD), Index (PBIX, 16))
+ Store (ToString(BSER), Index (PBIX, 17))
+ Store (ToString(BMFG), Index (PBIX, 19))
+
+ Return (PBIX)
+ }
+
+ Method (_BST, 0, Serialized)
+ {
+ //
+ // 0: BATTERY STATE
+ //
+ // bit 0 = discharging
+ // bit 1 = charging
+ // bit 2 = critical level
+ //
+ Store (Zero, Local1)
+
+ // Check if AC is present
+ If (ACEX) {
+ If (BFCG) {
+ Store (0x02, Local1)
+ } ElseIf (BFDC) {
+ Store (0x01, Local1)
+ }
+ } Else {
+ // Always discharging when on battery power
+ Store (0x01, Local1)
+ }
+
+ // Check for critical battery level
+ If (BFCR) {
+ Or (Local1, 0x04, Local1)
+ }
+ Store (Local1, Index (PBST, 0))
+
+ // Notify if battery state has changed since last time
+ If (LNotEqual (Local1, BSTP)) {
+ Store (Local1, BSTP)
+ Notify (BAT0, 0x80)
+ }
+
+ //
+ // 1: BATTERY PRESENT RATE
+ //
+ Store (BTPR, Index (PBST, 1))
+
+ //
+ // 2: BATTERY REMAINING CAPACITY
+ //
+ Store (BTRA, Local1)
+ If (LAnd (BFWK, LAnd (ACEX, LNot (LAnd (BFDC, BFCG))))) {
+ // On AC power and battery is neither charging
+ // nor discharging. Linux expects a full battery
+ // to report same capacity as last full charge.
+ // https://bugzilla.kernel.org/show_bug.cgi?id=12632
+ Store (BTDF, Local2)
+
+ // See if within ~3% of full
+ ShiftRight (Local2, 5, Local3)
+ If (LAnd (LGreater (Local1, Subtract (Local2, Local3)),
+ LLess (Local1, Add (Local2, Local3))))
+ {
+ Store (Local2, Local1)
+ }
+ }
+ Store (Local1, Index (PBST, 2))
+
+ //
+ // 3: BATTERY PRESENT VOLTAGE
+ //
+ Store (BTVO, Index (PBST, 3))
+
+ Return (PBST)
+ }
+}
diff --git a/src/ec/google/chromeec/acpi/ec.asl b/src/ec/google/chromeec/acpi/ec.asl
new file mode 100644
index 0000000000..2fb8e7961c
--- /dev/null
+++ b/src/ec/google/chromeec/acpi/ec.asl
@@ -0,0 +1,230 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
+ *
+ * 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
+ */
+
+/*
+ * The mainboard must define a PNOT method to handle power
+ * state notifications and Notify CPU device objects to
+ * re-evaluate their _PPC and _CST tables.
+ */
+
+Device (EC0)
+{
+ Name (_HID, EISAID ("PNP0C09"))
+ Name (_UID, 1)
+ Name (_GPE, Add(EC_SCI_GPI, 16))
+ Name (TOFS, EC_TEMP_SENSOR_OFFSET)
+ Name (TNOP, 0xFD) // Thermal sensor has no power
+ Name (TBAD, 0xFE) // Thermal sensor bad reading
+ Name (TNPR, 0xFF) // Thermal sensor not present
+ Name (DWRN, 15) // Battery capacity warning at 15%
+ Name (DLOW, 10) // Battery capacity low at 10%
+
+ OperationRegion (ERAM, EmbeddedControl, 0x00, 0xff)
+ Field (ERAM, ByteAcc, Lock, Preserve)
+ {
+ Offset (0x00),
+ RAMV, 8, // EC RAM Version
+ TSTB, 8, // Test Byte
+ TSTC, 8, // Complement of Test Byte
+ KBLV, 8, // Keyboard Backlight
+ }
+
+ OperationRegion (EMEM, SystemIO, EC_LPC_ADDR_MEMMAP, EC_MEMMAP_SIZE)
+ Field (EMEM, ByteAcc, NoLock, Preserve)
+ {
+ Offset (0x00),
+ TIN0, 8, // Temperature 0
+ TIN1, 8, // Temperature 1
+ TIN2, 8, // Temperature 2
+ TIN3, 8, // Temperature 3
+ TIN4, 8, // Temperature 4
+ TIN5, 8, // Temperature 5
+ TIN6, 8, // Temperature 6
+ TIN7, 8, // Temperature 7
+ TIN8, 8, // Temperature 8
+ TIN9, 8, // Temperature 9
+ Offset (0x10),
+ FAN0, 16, // Fan Speed 0
+ Offset (0x30),
+ LIDS, 1, // Lid Switch State
+ PBTN, 1, // Power Button Pressed
+ WPDI, 1, // Write Protect Disabled
+ RECK, 1, // Keyboard Initiated Recovery
+ RECD, 1, // Dedicated Recovery Mode
+ Offset (0x40),
+ BTVO, 32, // Battery Present Voltage
+ BTPR, 32, // Battery Present Rate
+ BTRA, 32, // Battery Remaining Capacity
+ ACEX, 1, // AC Present
+ BTEX, 1, // Battery Present
+ BFDC, 1, // Battery Discharging
+ BFCG, 1, // Battery Charging
+ BFCR, 1, // Battery Level Critical
+ Offset (0x50),
+ BTDA, 32, // Battery Design Capacity
+ BTDV, 32, // Battery Design Voltage
+ BTDF, 32, // Battery Last Full Charge Capacity
+ BTCC, 32, // Battery Cycle Count
+ BMFG, 64, // Battery Manufacturer String
+ BMOD, 64, // Battery Model String
+ BSER, 64, // Battery Serial String
+ BTYP, 64, // Battery Type String
+ }
+
+ Method (TINS, 1, Serialized)
+ {
+ Switch (ToInteger (Arg0))
+ {
+ Case (0) { Return (TIN0) }
+ Case (1) { Return (TIN1) }
+ Case (2) { Return (TIN2) }
+ Case (3) { Return (TIN3) }
+ Case (4) { Return (TIN4) }
+ Case (5) { Return (TIN5) }
+ Case (6) { Return (TIN6) }
+ Case (7) { Return (TIN7) }
+ Case (8) { Return (TIN8) }
+ Case (9) { Return (TIN9) }
+ Default { Return (TIN0) }
+ }
+ }
+
+ Method (_CRS, 0, NotSerialized)
+ {
+ Name (ECMD, ResourceTemplate()
+ {
+ IO (Decode16,
+ EC_LPC_ADDR_ACPI_DATA,
+ EC_LPC_ADDR_ACPI_DATA,
+ 0, 1)
+ IO (Decode16,
+ EC_LPC_ADDR_ACPI_CMD,
+ EC_LPC_ADDR_ACPI_CMD,
+ 0, 1)
+ })
+ Return (ECMD)
+ }
+
+ Method (_REG, 2, NotSerialized)
+ {
+ // Initialize AC power state
+ Store (ACEX, \PWRS)
+
+ // Initialize LID switch state
+ Store (LIDS, \LIDS)
+ }
+
+ // Lid Closed Event
+ Method (_Q01, 0, NotSerialized)
+ {
+ Store ("EC: LID CLOSE", Debug)
+ Store (LIDS, \LIDS)
+ Notify (\_SB.LID0, 0x80)
+ }
+
+ // Lid Open Event
+ Method (_Q02, 0, NotSerialized)
+ {
+ Store ("EC: LID OPEN", Debug)
+ Store (LIDS, \LIDS)
+ Notify (\_SB.LID0, 0x80)
+ }
+
+ // Power Button
+ Method (_Q03, 0, NotSerialized)
+ {
+ Store ("EC: POWER BUTTON", Debug)
+ Notify (\_SB.PWRB, 0x80)
+ }
+
+ // AC Connected
+ Method (_Q04, 0, NotSerialized)
+ {
+ Store ("EC: AC CONNECTED", Debug)
+ Store (ACEX, \PWRS)
+ Notify (AC, 0x80)
+ \PNOT ()
+ }
+
+ // AC Disconnected
+ Method (_Q05, 0, NotSerialized)
+ {
+ Store ("EC: AC DISCONNECTED", Debug)
+ Store (ACEX, \PWRS)
+ Notify (AC, 0x80)
+ \PNOT ()
+ }
+
+ // Battery Low Event
+ Method (_Q06, 0, NotSerialized)
+ {
+ Store ("EC: BATTERY LOW", Debug)
+ Notify (BAT0, 0x80)
+ }
+
+ // Battery Critical Event
+ Method (_Q07, 0, NotSerialized)
+ {
+ Store ("EC: BATTERY CRITICAL", Debug)
+ Notify (BAT0, 0x80)
+ }
+
+ // Battery Info Event
+ Method (_Q08, 0, NotSerialized)
+ {
+ Store ("EC: BATTERY INFO", Debug)
+ Notify (BAT0, 0x81)
+ }
+
+ // Thermal Treshold Event
+ Method (_Q09, 0, NotSerialized)
+ {
+ Store ("EC: THERMAL THRESHOLD", Debug)
+ Notify (\_TZ, 0x80)
+ }
+
+ // Thermal Overload Event
+ Method (_Q0A, 0, NotSerialized)
+ {
+ Store ("EC: THERMAL OVERLOAD", Debug)
+ Notify (\_TZ, 0x80)
+ }
+
+ // Thermal Event
+ Method (_Q0B, 0, NotSerialized)
+ {
+ Store ("EC: THERMAL", Debug)
+ Notify (\_TZ, 0x80)
+ }
+
+ // USB Charger
+ Method (_Q0C, 0, NotSerialized)
+ {
+ Store ("EC: USB CHARGER", Debug)
+ }
+
+ // Key Pressed
+ Method (_Q0D, 0, NotSerialized)
+ {
+ Store ("EC: KEY PRESSED", Debug)
+ }
+
+ #include "ac.asl"
+ #include "battery.asl"
+}
diff --git a/src/ec/google/chromeec/acpi/superio.asl b/src/ec/google/chromeec/acpi/superio.asl
new file mode 100644
index 0000000000..56f0f185c6
--- /dev/null
+++ b/src/ec/google/chromeec/acpi/superio.asl
@@ -0,0 +1,152 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 The ChromiumOS Authors. All rights reserved.
+ *
+ * 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
+ */
+
+/*
+ * Chrome OS Embedded Controller interface
+ *
+ * Constants that should be defined:
+ *
+ * SIO_EC_MEMMAP_ENABLE : Enable EC LPC memory map resources
+ * EC_LPC_ADDR_MEMMAP : Base address of memory map range
+ * EC_MEMMAP_SIZE : Size of memory map range
+ *
+ * SIO_EC_HOST_ENABLE : Enable EC host command interface resources
+ * EC_LPC_ADDR_HOST_DATA : EC host command interface data port
+ * EC_LPC_ADDR_HOST_CMD : EC host command interface command port
+ * EC_LPC_ADDR_OLD_PARAM : EC host command parameter range base (old)
+ * EC_OLD_PARAM_SIZE : Parameter buffer size (old)
+ */
+
+// Scope is \_SB.PCI0.LPCB
+
+Device (SIO) {
+ Name (_UID, 0)
+ Name (_ADR, 0)
+
+#ifdef SIO_EC_MEMMAP_ENABLE
+ Device (ECMM) {
+ Name (_HID, EISAID ("PNP0C02"))
+ Name (_UID, 1)
+ Name (_ADR, 0)
+
+ Method (_STA, 0, NotSerialized) {
+ Return (0x0F)
+ }
+
+ Name (_CRS, ResourceTemplate ()
+ {
+ FixedIO (EC_LPC_ADDR_MEMMAP, EC_MEMMAP_SIZE)
+ })
+
+ Name (_PRS, ResourceTemplate ()
+ {
+ FixedIO (EC_LPC_ADDR_MEMMAP, EC_MEMMAP_SIZE)
+ })
+ }
+#endif
+
+#ifdef SIO_EC_HOST_ENABLE
+ Device (ECUI) {
+ Name (_HID, EISAID ("PNP0C02"))
+ Name (_UID, 3)
+ Name (_ADR, 0)
+
+ Method (_STA, 0, NotSerialized) {
+ Return (0x0F)
+ }
+
+ Name (_CRS, ResourceTemplate ()
+ {
+ FixedIO (EC_LPC_ADDR_HOST_DATA, 1)
+ FixedIO (EC_LPC_ADDR_HOST_CMD, 1)
+ FixedIO (EC_LPC_ADDR_OLD_PARAM,
+ EC_OLD_PARAM_SIZE)
+ })
+
+ Name (_PRS, ResourceTemplate ()
+ {
+ StartDependentFn (0, 0) {
+ FixedIO (EC_LPC_ADDR_HOST_DATA, 1)
+ FixedIO (EC_LPC_ADDR_HOST_CMD, 1)
+ FixedIO (EC_LPC_ADDR_OLD_PARAM,
+ EC_OLD_PARAM_SIZE)
+ }
+ EndDependentFn ()
+ })
+ }
+#endif
+
+#ifdef SIO_EC_ENABLE_COM1
+ Device (COM1) {
+ Name (_HID, EISAID ("PNP0501"))
+ Name (_UID, 1)
+ Name (_ADR, 0)
+
+ Method (_STA, 0, NotSerialized) {
+ Return (0x0F)
+ }
+
+ Name (_CRS, ResourceTemplate ()
+ {
+ FixedIO (0x03F8, 0x08)
+ IRQNoFlags () {4}
+ })
+
+ Name (_PRS, ResourceTemplate ()
+ {
+ StartDependentFn (0, 0) {
+ FixedIO (0x03F8, 0x08)
+ IRQNoFlags () {4}
+ }
+ EndDependentFn ()
+ })
+ }
+#endif
+
+#ifdef SIO_EC_ENABLE_PS2K
+ Device (PS2K) // Keyboard
+ {
+ Name (_UID, 0)
+ Name (_ADR, 0)
+ Name (_HID, EISAID("PNP0303"))
+ Name (_CID, EISAID("PNP030B"))
+
+ Method (_STA, 0, NotSerialized) {
+ Return (0x0F)
+ }
+
+ Name (_CRS, ResourceTemplate()
+ {
+ FixedIO (0x60, 0x01)
+ FixedIO (0x64, 0x01)
+ IRQNoFlags () {1}
+ })
+
+ Name (_PRS, ResourceTemplate()
+ {
+ StartDependentFn (0, 0) {
+ FixedIO (0x60, 0x01)
+ FixedIO (0x64, 0x01)
+ IRQNoFlags () {1}
+ }
+ EndDependentFn ()
+ })
+ }
+#endif
+}