[PATCH 065/108] acpi: Add cros_ec tables
Simon Glass
sjg at chromium.org
Mon Jan 27 06:06:12 CET 2020
Add ASL files for the Chrome OS EC, taken from coreboot.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
arch/x86/include/asm/acpi/cros_ec/ac.asl | 22 +
arch/x86/include/asm/acpi/cros_ec/als.asl | 56 ++
arch/x86/include/asm/acpi/cros_ec/battery.asl | 411 +++++++++++++
arch/x86/include/asm/acpi/cros_ec/cros_ec.asl | 57 ++
arch/x86/include/asm/acpi/cros_ec/ec.asl | 557 ++++++++++++++++++
arch/x86/include/asm/acpi/cros_ec/emem.asl | 53 ++
.../asm/acpi/cros_ec/keyboard_backlight.asl | 52 ++
arch/x86/include/asm/acpi/cros_ec/pd.asl | 15 +
arch/x86/include/asm/acpi/cros_ec/superio.asl | 159 +++++
arch/x86/include/asm/acpi/cros_ec/tbmc.asl | 23 +
10 files changed, 1405 insertions(+)
create mode 100644 arch/x86/include/asm/acpi/cros_ec/ac.asl
create mode 100644 arch/x86/include/asm/acpi/cros_ec/als.asl
create mode 100644 arch/x86/include/asm/acpi/cros_ec/battery.asl
create mode 100644 arch/x86/include/asm/acpi/cros_ec/cros_ec.asl
create mode 100644 arch/x86/include/asm/acpi/cros_ec/ec.asl
create mode 100644 arch/x86/include/asm/acpi/cros_ec/emem.asl
create mode 100644 arch/x86/include/asm/acpi/cros_ec/keyboard_backlight.asl
create mode 100644 arch/x86/include/asm/acpi/cros_ec/pd.asl
create mode 100644 arch/x86/include/asm/acpi/cros_ec/superio.asl
create mode 100644 arch/x86/include/asm/acpi/cros_ec/tbmc.asl
diff --git a/arch/x86/include/asm/acpi/cros_ec/ac.asl b/arch/x86/include/asm/acpi/cros_ec/ac.asl
new file mode 100644
index 0000000000..80e0ebd3ad
--- /dev/null
+++ b/arch/x86/include/asm/acpi/cros_ec/ac.asl
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
+ */
+
+// Scope (EC0)
+
+Device (AC)
+{
+ Name (_HID, "ACPI0003")
+ Name (_PCL, Package () { \_SB })
+
+ Method (_PSR)
+ {
+ Return (ACEX)
+ }
+
+ Method (_STA)
+ {
+ Return (0x0F)
+ }
+}
diff --git a/arch/x86/include/asm/acpi/cros_ec/als.asl b/arch/x86/include/asm/acpi/cros_ec/als.asl
new file mode 100644
index 0000000000..f3d40f889c
--- /dev/null
+++ b/arch/x86/include/asm/acpi/cros_ec/als.asl
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2014 Google Inc.
+ */
+
+Device (ALS)
+{
+ Name (_HID, "ACPI0008")
+ Name (_UID, 1)
+
+ Method (_STA, 0, NotSerialized)
+ {
+ Return (0xF)
+ }
+
+ /*
+ * Returns the current ambient light illuminance reading in lux
+ *
+ * 0: Reading is below the range of sensitivity of the sensor
+ * -1: Reading is above the range or sensitivity of the sensor
+ */
+ Method (_ALI, 0, NotSerialized)
+ {
+ Return (^^ALS0)
+ }
+
+ /*
+ * Returns a recommended polling frequency in tenths of seconds
+ *
+ * 0: No need to poll, async notifications will indicate changes
+ */
+ Name (_ALP, 10)
+
+ /*
+ * Returns a package of packages where each tuple consists of a pair
+ * of integers mapping ambient light illuminance to display brightness.
+ *
+ * {<display luminance adjustment>, <ambient light illuminance>}
+ *
+ * Ambient light illuminance values are specified in lux.
+ *
+ * Display luminance adjustment values are relative percentages where
+ * 100 is no (0%) display brightness adjustment. Values <100 indicate
+ * negative adjustment (dimming) and values >100 indicate positive
+ * adjustment (brightening).
+ *
+ * This is currently unused by the Linux kernel ACPI ALS driver but
+ * is required by the ACPI specification so just define a basic two
+ * point response curve.
+ */
+ Name (_ALR, Package ()
+ {
+ Package () { 70, 30 }, // Min { -30% adjust at 30 lux }
+ Package () { 150, 1000 } // Max { +50% adjust at 1000 lux }
+ })
+}
diff --git a/arch/x86/include/asm/acpi/cros_ec/battery.asl b/arch/x86/include/asm/acpi/cros_ec/battery.asl
new file mode 100644
index 0000000000..f106088231
--- /dev/null
+++ b/arch/x86/include/asm/acpi/cros_ec/battery.asl
@@ -0,0 +1,411 @@
+/*/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ */
+
+// Scope (EC0)
+
+/* Mutex for EC battery index interface */
+Mutex (BATM, 0)
+
+// Wait for desired battery index to be presented in shared memory
+// Arg0 = battery index
+// Returns Zero on success, One on error.
+Method (BTSW, 1)
+{
+#ifdef EC_ENABLE_SECOND_BATTERY_DEVICE
+ If (LEqual (BTIX, Arg0)) {
+ Return (Zero)
+ }
+ If (LGreaterEqual (Arg0, BTCN)) {
+ Return (One)
+ }
+ Store (Arg0, \_SB.PCI0.LPCB.EC0.BTID)
+ Store (5, Local0) // Timeout 5 msec
+ While (LNotEqual (BTIX, Arg0))
+ {
+ Sleep (1)
+ Decrement (Local0)
+ If (LEqual (Local0, Zero))
+ {
+ Return (One)
+ }
+ }
+#else
+ If (LNotEqual (0, Arg0)) {
+ Return (One)
+ }
+#endif
+ Return (Zero)
+}
+
+// _STA implementation.
+// Arg0 = battery index
+Method (BSTA, 1, Serialized)
+{
+ If (Acquire (^BATM, 1000)) {
+ Return (Zero)
+ }
+
+ If (And(Not(BTSW (Arg0)), BTEX)) {
+ Store (0x1F, Local0)
+ } Else {
+ Store (0x0F, Local0)
+ }
+
+ Release (^BATM)
+ Return (Local0)
+}
+
+// _BIF implementation.
+// Arg0 = battery index
+// Arg1 = PBIF
+Method (BBIF, 2, Serialized)
+{
+ If (Acquire (^BATM, 1000)) {
+ Return (Arg1)
+ }
+
+ If (BTSW (Arg0)) {
+ Release (^BATM)
+ Return (Arg1)
+ }
+ // Last Full Charge Capacity
+ Store (BTDF, Index (Arg1, 2))
+
+ // Design Voltage
+ Store (BTDV, Index (Arg1, 4))
+
+ // Design Capacity
+ Store (BTDA, Local0)
+ Store (Local0, Index (Arg1, 1))
+
+ // Design Capacity of Warning
+ Divide (Multiply (Local0, DWRN), 100, , Local2)
+ Store (Local2, Index (Arg1, 5))
+
+ // Design Capacity of Low
+ Divide (Multiply (Local0, DLOW), 100, , Local2)
+ Store (Local2, Index (Arg1, 6))
+
+ // Get battery info from mainboard
+ Store (ToString(Concatenate(BMOD, 0x00)), Index (Arg1, 9))
+ Store (ToString(Concatenate(BSER, 0x00)), Index (Arg1, 10))
+ Store (ToString(Concatenate(BMFG, 0x00)), Index (Arg1, 12))
+
+ Release (^BATM)
+ Return (Arg1)
+}
+
+// _BIX implementation.
+// Arg0 = battery index
+// Arg1 = PBIX
+Method (BBIX, 2, Serialized)
+{
+ If (Acquire (^BATM, 1000)) {
+ Return (Arg1)
+ }
+
+ If (BTSW (Arg0)) {
+ Release (^BATM)
+ Return (Arg1)
+ }
+ // Last Full Charge Capacity
+ Store (BTDF, Index (Arg1, 3))
+
+ // Design Voltage
+ Store (BTDV, Index (Arg1, 5))
+
+ // Design Capacity
+ Store (BTDA, Local0)
+ Store (Local0, Index (Arg1, 2))
+
+ // Design Capacity of Warning
+ Divide (Multiply (Local0, DWRN), 100, , Local2)
+ Store (Local2, Index (Arg1, 6))
+
+ // Design Capacity of Low
+ Divide (Multiply (Local0, DLOW), 100, , Local2)
+ Store (Local2, Index (Arg1, 7))
+
+ // Cycle Count
+ Store (BTCC, Index (Arg1, 8))
+
+ // Get battery info from mainboard
+ Store (ToString(Concatenate(BMOD, 0x00)), Index (Arg1, 16))
+ Store (ToString(Concatenate(BSER, 0x00)), Index (Arg1, 17))
+ Store (ToString(Concatenate(BMFG, 0x00)), Index (Arg1, 19))
+
+ Release (^BATM)
+ Return (Arg1)
+}
+
+// _BST implementation.
+// Arg0 = battery index
+// Arg1 = PBST
+// Arg2 = BSTP
+// Arg3 = BFWK
+Method (BBST, 4, Serialized)
+{
+ If (Acquire (^BATM, 1000)) {
+ Return (Arg1)
+ }
+
+ If (BTSW (Arg0)) {
+ Release (^BATM)
+ Return (Arg1)
+ }
+ //
+ // 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 (Arg1, 0))
+
+ // Notify if battery state has changed since last time
+ If (LNotEqual (Local1, DeRefOf (Arg2))) {
+ Store (Local1, Arg2)
+ If (LEqual(Arg0, 0)) {
+ Notify (BAT0, 0x80)
+ }
+#ifdef EC_ENABLE_SECOND_BATTERY_DEVICE
+ Else {
+ Notify (BAT1, 0x80)
+ }
+#endif
+ }
+
+ //
+ // 1: BATTERY PRESENT RATE
+ //
+ Store (BTPR, Index (Arg1, 1))
+
+ //
+ // 2: BATTERY REMAINING CAPACITY
+ //
+ Store (BTRA, Local1)
+ If (LAnd (Arg3, 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 ~6% of full
+ ShiftRight (Local2, 4, Local3)
+ If (LAnd (LGreater (Local1, Subtract (Local2, Local3)),
+ LLess (Local1, Add (Local2, Local3))))
+ {
+ Store (Local2, Local1)
+ }
+ }
+ Store (Local1, Index (Arg1, 2))
+
+ //
+ // 3: BATTERY PRESENT VOLTAGE
+ //
+ Store (BTVO, Index (Arg1, 3))
+
+ Release (^BATM)
+ Return (Arg1)
+}
+
+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, disabled by default
+ Name (BFWK, Zero)
+
+ // 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)
+ {
+ Return (BSTA (0))
+ }
+
+ Method (_BIF, 0, Serialized)
+ {
+ Return (BBIF (0, PBIF))
+ }
+
+ Method (_BIX, 0, Serialized)
+ {
+ Return (BBIX (0, PBIX))
+ }
+
+ Method (_BST, 0, Serialized)
+ {
+ Return (BBST (0, PBST, RefOf (BSTP), BFWK))
+ }
+}
+
+#ifdef EC_ENABLE_SECOND_BATTERY_DEVICE
+Device (BAT1)
+{
+ 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, disabled by default
+ Name (BFWK, Zero)
+
+ // 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)
+ {
+ Return (BSTA (1))
+ }
+
+ Method (_BIF, 0, Serialized)
+ {
+ Return (BBIF (1, PBIF))
+ }
+
+ Method (_BIX, 0, Serialized)
+ {
+ Return (BBIX (1, PBIX))
+ }
+
+ Method (_BST, 0, Serialized)
+ {
+ Return (BBST (1, PBST, RefOf (BSTP), BFWK))
+ }
+}
+#endif
diff --git a/arch/x86/include/asm/acpi/cros_ec/cros_ec.asl b/arch/x86/include/asm/acpi/cros_ec/cros_ec.asl
new file mode 100644
index 0000000000..9f50185b70
--- /dev/null
+++ b/arch/x86/include/asm/acpi/cros_ec/cros_ec.asl
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2016 Google Inc.
+ */
+
+Device (CREC)
+{
+ Name (_HID, "GOOG0004")
+ Name (_UID, 1)
+ Name (_DDN, "EC Command Device")
+#ifdef EC_ENABLE_WAKE_PIN
+ Name (_PRW, Package () { EC_ENABLE_WAKE_PIN, 0x5 })
+#endif
+
+#ifdef EC_ENABLE_SYNC_IRQ
+ Name (_CRS, ResourceTemplate ()
+ {
+ Interrupt (ResourceConsumer, Level, ActiveLow, Exclusive)
+ {
+ EC_SYNC_IRQ
+ }
+ })
+#endif
+
+#ifdef EC_ENABLE_SYNC_IRQ_GPIO
+ Name (_CRS, ResourceTemplate ()
+ {
+ GpioInt (Level, ActiveLow, Exclusive, PullDefault, 0x0000,
+ "\\_SB.GPIO", 0x00, ResourceConsumer, ,)
+ {
+ EC_SYNC_IRQ
+ }
+ })
+#endif
+
+#ifdef EC_ENABLE_MKBP_DEVICE
+ Device (CKSC)
+ {
+ Name (_HID, "GOOG0007")
+ Name (_UID, 1)
+ Name (_DDN, "EC MKBP Device")
+ }
+#endif
+
+#ifdef EC_ENABLE_CBAS_DEVICE
+ Device (CBAS)
+ {
+ Name (_HID, "GOOG000B")
+ Name (_UID, 1)
+ Name (_DDN, "EC Base Switch Device")
+ }
+#endif
+ Method(_STA, 0)
+ {
+ Return (0xB)
+ }
+}
diff --git a/arch/x86/include/asm/acpi/cros_ec/ec.asl b/arch/x86/include/asm/acpi/cros_ec/ec.asl
new file mode 100644
index 0000000000..03f57f25a2
--- /dev/null
+++ b/arch/x86/include/asm/acpi/cros_ec/ec.asl
@@ -0,0 +1,557 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
+ */
+
+/*
+ * 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.
+ */
+
+// Mainboard specific throttle handler
+#ifdef DPTF_ENABLE_CHARGER
+External (\_SB.DPTF.TCHG, DeviceObj)
+#endif
+
+
+Device (EC0)
+{
+ Name (_HID, EISAID ("PNP0C09"))
+ Name (_UID, 1)
+ Name (_GPE, EC_SCI_GPI)
+ Name (TOFS, EC_TEMP_SENSOR_OFFSET)
+ Name (TNCA, EC_TEMP_SENSOR_NOT_CALIBRATED)
+ Name (TNOP, EC_TEMP_SENSOR_NOT_POWERED)
+ Name (TBAD, EC_TEMP_SENSOR_ERROR)
+ Name (TNPR, EC_TEMP_SENSOR_NOT_PRESENT)
+ Name (DWRN, 15) // Battery capacity warning at 15%
+ Name (DLOW, 10) // Battery capacity low at 10%
+
+ OperationRegion (ERAM, EmbeddedControl, 0x00, EC_ACPI_MEM_MAPPED_BEGIN)
+ 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 value
+ FAND, 8, // Set Fan Duty Cycle
+ PATI, 8, // Programmable Auxiliary Trip Sensor ID
+ PATT, 8, // Programmable Auxiliary Trip Threshold
+ PATC, 8, // Programmable Auxiliary Trip Commit
+ CHGL, 8, // Charger Current Limit
+ TBMD, 1, // Tablet mode
+ DDPN, 3, // Device DPTF Profile Number
+ // DFUD must be 0 for the other 31 values to be valid
+ Offset (0x0a),
+ DFUD, 1, // Device Features Undefined
+ FLSH, 1, // Flash commands present
+ PFAN, 1, // PWM Fan control present
+ KBLE, 1, // Keyboard Backlight present
+ LTBR, 1, // Lightbar present
+ LEDC, 1, // LED control
+ MTNS, 1, // Motion sensors present
+ KEYB, 1, // EC is keyboard controller
+ PSTR, 1, // Persistent storage
+ P80P, 1, // EC serves I/O Port 80h
+ THRM, 1, // EC supports thermal management
+ SBKL, 1, // Screen backlight switch present
+ WIFI, 1, // WIFI switch present
+ HOST, 1, // EC monitors host events (eg SCI, SMI)
+ GPIO, 1, // EC provides GPIO commands
+ I2CB, 1, // EC provides I2C controller access
+ CHRG, 1, // EC provides commands for charger control
+ BATT, 1, // Simply Battery support
+ SBAT, 1, // Smart Battery support
+ HANG, 1, // EC can detect host hang
+ PMUI, 1, // Power Information
+ DSEC, 1, // another EC exists downstream
+ UPDC, 1, // supports USB Power Delivery
+ UMUX, 1, // supports USB Mux
+ MSFF, 1, // Motion Sense has FIFO
+ TVST, 1, // supports temporary secure vstore
+ TCMV, 1, // USB Type C Muxing is virtual (host assisted)
+ RTCD, 1, // EC provides an RTC device
+ FPRD, 1, // EC provides a fingerprint reader device
+ TPAD, 1, // EC provides a touchpad device
+ RWSG, 1, // EC has RWSIG task enabled
+ DEVE, 1, // EC supports device events
+ // make sure we're within our space envelope
+ Offset (0x0e),
+ Offset (0x12),
+ BTID, 8, // Battery index that host wants to read
+ USPP, 8, // USB Port Power
+}
+
+#if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC_ACPI_MEMMAP)
+ OperationRegion (EMEM, EmbeddedControl,
+ EC_ACPI_MEM_MAPPED_BEGIN, EC_ACPI_MEM_MAPPED_SIZE)
+ Field (EMEM, ByteAcc, Lock, Preserve)
+#else
+ OperationRegion (EMEM, SystemIO, EC_LPC_ADDR_MEMMAP, EC_MEMMAP_SIZE)
+ Field (EMEM, ByteAcc, NoLock, Preserve)
+#endif
+ {
+ #include "emem.asl"
+ }
+
+#ifdef EC_ENABLE_LID_SWITCH
+ /* LID Switch */
+ Device (LID0)
+ {
+ Name (_HID, EisaId ("PNP0C0D"))
+ Method (_LID, 0)
+ {
+ Return (^^LIDS)
+ }
+
+#ifdef EC_ENABLE_WAKE_PIN
+ Name (_PRW, Package () { EC_ENABLE_WAKE_PIN, 0x5 })
+#endif
+ }
+#endif
+
+ 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, Serialized)
+ {
+ 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)
+ }
+
+ /* Read requested temperature and check against EC error values */
+ Method (TSRD, 1, Serialized)
+ {
+ Store (\_SB.PCI0.LPCB.EC0.TINS (Arg0), Local0)
+
+ /* Check for sensor not calibrated */
+ If (LEqual (Local0, \_SB.PCI0.LPCB.EC0.TNCA)) {
+ Return (Zero)
+ }
+
+ /* Check for sensor not present */
+ If (LEqual (Local0, \_SB.PCI0.LPCB.EC0.TNPR)) {
+ Return (Zero)
+ }
+
+ /* Check for sensor not powered */
+ If (LEqual (Local0, \_SB.PCI0.LPCB.EC0.TNOP)) {
+ Return (Zero)
+ }
+
+ /* Check for sensor bad reading */
+ If (LEqual (Local0, \_SB.PCI0.LPCB.EC0.TBAD)) {
+ Return (Zero)
+ }
+
+ /* Adjust by offset to get Kelvin */
+ Add (\_SB.PCI0.LPCB.EC0.TOFS, Local0, Local0)
+
+ /* Convert to 1/10 Kelvin */
+ Multiply (Local0, 10, Local0)
+
+ Return (Local0)
+ }
+
+ // Lid Closed Event
+ Method (_Q01, 0, NotSerialized)
+ {
+ Store ("EC: LID CLOSE", Debug)
+ Store (LIDS, \LIDS)
+#ifdef EC_ENABLE_LID_SWITCH
+ Notify (LID0, 0x80)
+#endif
+ }
+
+ // Lid Open Event
+ Method (_Q02, 0, NotSerialized)
+ {
+ Store ("EC: LID OPEN", Debug)
+ Store (LIDS, \LIDS)
+ Notify (CREC, 0x2)
+#ifdef EC_ENABLE_LID_SWITCH
+ Notify (LID0, 0x80)
+#endif
+ }
+
+ // Power Button
+ Method (_Q03, 0, NotSerialized)
+ {
+ Store ("EC: POWER BUTTON", Debug)
+ }
+
+ // AC Connected
+ Method (_Q04, 0, NotSerialized)
+ {
+ Store ("EC: AC CONNECTED", Debug)
+ Store (ACEX, \PWRS)
+ Notify (AC, 0x80)
+#ifdef DPTF_ENABLE_CHARGER
+ If (CondRefOf (\_SB.DPTF.TCHG)) {
+ Notify (\_SB.DPTF.TCHG, 0x80)
+ }
+#endif
+ \PNOT ()
+ }
+
+ // AC Disconnected
+ Method (_Q05, 0, NotSerialized)
+ {
+ Store ("EC: AC DISCONNECTED", Debug)
+ Store (ACEX, \PWRS)
+ Notify (AC, 0x80)
+#ifdef DPTF_ENABLE_CHARGER
+ If (CondRefOf (\_SB.DPTF.TCHG)) {
+ Notify (\_SB.DPTF.TCHG, 0x80)
+ }
+#endif
+ \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)
+#ifdef EC_ENABLE_SECOND_BATTERY_DEVICE
+ If (CondRefOf (BAT1)) {
+ Notify (BAT1, 0x81)
+ }
+#endif
+ }
+
+ // 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)
+ Notify (CREC, 0x2)
+ }
+
+ // Thermal Shutdown Imminent
+ Method (_Q10, 0, NotSerialized)
+ {
+ Store ("EC: THERMAL SHUTDOWN", Debug)
+ Notify (\_TZ, 0x80)
+ }
+
+ // Battery Shutdown Imminent
+ Method (_Q11, 0, NotSerialized)
+ {
+ Store ("EC: BATTERY SHUTDOWN", Debug)
+ Notify (BAT0, 0x80)
+ }
+
+ // Throttle Start
+ Method (_Q12, 0, NotSerialized)
+ {
+#ifdef EC_ENABLE_THROTTLING_HANDLER
+ Store ("EC: THROTTLE START", Debug)
+ \_TZ.THRT (1)
+#endif
+ }
+
+ // Throttle Stop
+ Method (_Q13, 0, NotSerialized)
+ {
+#ifdef EC_ENABLE_THROTTLING_HANDLER
+ Store ("EC: THROTTLE STOP", Debug)
+ \_TZ.THRT (0)
+#endif
+ }
+
+#ifdef EC_ENABLE_PD_MCU_DEVICE
+ // PD event
+ Method (_Q16, 0, NotSerialized)
+ {
+ Store ("EC: GOT PD EVENT", Debug)
+ Notify (ECPD, 0x80)
+ }
+#endif
+
+ // Battery Status
+ Method (_Q17, 0, NotSerialized)
+ {
+ Store ("EC: BATTERY STATUS", Debug)
+ Notify (BAT0, 0x80)
+#ifdef EC_ENABLE_SECOND_BATTERY_DEVICE
+ If (CondRefOf (BAT1)) {
+ Notify (BAT1, 0x80)
+ }
+#endif
+ }
+
+ // MKBP interrupt.
+ Method (_Q1B, 0, NotSerialized)
+ {
+ Store ("EC: MKBP", Debug)
+ Notify (CREC, 0x80)
+ }
+
+ // TABLET mode switch Event
+ Method (_Q1D, 0, NotSerialized)
+ {
+ Store ("EC: TABLET mode switch Event", Debug)
+ Notify (CREC, 0x2)
+#ifdef EC_ENABLE_MULTIPLE_DPTF_PROFILES
+ \_SB.DPTF.TPET()
+#endif
+#ifdef EC_ENABLE_TBMC_DEVICE
+ Notify (TBMC, 0x80)
+#endif
+ }
+
+ /*
+ * Dynamic Platform Thermal Framework support
+ */
+
+ /* Mutex for EC PAT interface */
+ Mutex (PATM, 1)
+
+ /*
+ * Set Aux Trip Point 0
+ * Arg0 = Temp Sensor ID
+ * Arg1 = Value to set
+ */
+ Method (PAT0, 2, Serialized)
+ {
+ If (Acquire (^PATM, 1000)) {
+ Return (0)
+ }
+
+ /* Set sensor ID */
+ Store (ToInteger (Arg0), ^PATI)
+
+ /* Temperature is passed in 1/10 Kelvin */
+ Divide (ToInteger (Arg1), 10, , Local1)
+
+ /* Adjust by EC temperature offset */
+ Subtract (Local1, ^TOFS, ^PATT)
+
+ /* Set commit value with SELECT=0 and ENABLE=1 */
+ Store (0x02, ^PATC)
+
+ Release (^PATM)
+ Return (1)
+ }
+
+ /*
+ * Set Aux Trip Point 1
+ * Arg0 = Temp Sensor ID
+ * Arg1 = Value to set
+ */
+ Method (PAT1, 2, Serialized)
+ {
+ If (Acquire (^PATM, 1000)) {
+ Return (0)
+ }
+
+ /* Set sensor ID */
+ Store (ToInteger (Arg0), ^PATI)
+
+ /* Temperature is passed in 1/10 Kelvin */
+ Divide (ToInteger (Arg1), 10, , Local1)
+
+ /* Adjust by EC temperature offset */
+ Subtract (Local1, ^TOFS, ^PATT)
+
+ /* Set commit value with SELECT=1 and ENABLE=1 */
+ Store (0x03, ^PATC)
+
+ Release (^PATM)
+ Return (1)
+ }
+
+ /* Disable Aux Trip Points
+ * Arg0 = Temp Sensor ID
+ */
+ Method (PATD, 1, Serialized)
+ {
+ If (Acquire (^PATM, 1000)) {
+ Return (0)
+ }
+
+ Store (ToInteger (Arg0), ^PATI)
+ Store (0x00, ^PATT)
+
+ /* Disable PAT0 */
+ Store (0x00, ^PATC)
+
+ /* Disable PAT1 */
+ Store (0x01, ^PATC)
+
+ Release (^PATM)
+ Return (1)
+ }
+
+ /*
+ * Thermal Threshold Event
+ */
+ Method (_Q09, 0, NotSerialized)
+ {
+ If (LNot(Acquire (^PATM, 1000))) {
+ /* Read sensor ID for event */
+ Store (^PATI, Local0)
+
+ /* When sensor ID returns 0xFF then no more events */
+ While (LNotEqual (Local0, EC_TEMP_SENSOR_NOT_PRESENT))
+ {
+#ifdef HAVE_THERM_EVENT_HANDLER
+ \_SB.DPTF.TEVT (Local0)
+#endif
+
+ /* Keep reaading sensor ID for event */
+ Store (^PATI, Local0)
+ }
+
+ Release (^PATM)
+ }
+ }
+
+ /*
+ * Set Charger Current Limit
+ * Arg0 = Current Limit in 64mA steps
+ */
+ Method (CHGS, 1, Serialized)
+ {
+ Store (ToInteger (Arg0), ^CHGL)
+ }
+
+ /*
+ * Disable Charger Current Limit
+ */
+ Method (CHGD, 0, Serialized)
+ {
+ Store (0xFF, ^CHGL)
+ }
+
+ /* Read current Tablet mode */
+ Method (RCTM, 0, NotSerialized)
+ {
+ Return (^TBMD)
+ }
+
+ /* Read current Device DPTF Profile Number */
+ Method (RCDP, 0, NotSerialized)
+ {
+ /*
+ * DDPN = 0 is reserved for backwards compatibility.
+ * If DDPN == 0 use TBMD to load appropriate DPTF table.
+ */
+ If (LEqual (^DDPN, 0)) {
+ Return (^TBMD)
+ } Else {
+ Subtract (^DDPN, 1, Local0)
+ Return (Local0)
+ }
+ }
+
+#if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC_ACPI_USB_PORT_POWER)
+ /*
+ * Enable USB Port Power
+ * Arg0 = USB port ID
+ */
+ Method (UPPS, 1, Serialized)
+ {
+ Or (USPP, ShiftLeft (1, Arg0), USPP)
+ }
+
+ /*
+ * Disable USB Port Power
+ * Arg0 = USB port ID
+ */
+ Method (UPPC, 1, Serialized)
+ {
+ And (USPP, Not (ShiftLeft (1, Arg0)), USPP)
+ }
+#endif
+
+ #include "ac.asl"
+ #include "battery.asl"
+ #include "cros_ec.asl"
+
+#ifdef EC_ENABLE_ALS_DEVICE
+ #include "als.asl"
+#endif
+
+#ifdef EC_ENABLE_KEYBOARD_BACKLIGHT
+ #include "keyboard_backlight.asl"
+#endif
+
+#ifdef EC_ENABLE_PD_MCU_DEVICE
+ #include "pd.asl"
+#endif
+
+#ifdef EC_ENABLE_TBMC_DEVICE
+ #include "tbmc.asl"
+#endif
+}
diff --git a/arch/x86/include/asm/acpi/cros_ec/emem.asl b/arch/x86/include/asm/acpi/cros_ec/emem.asl
new file mode 100644
index 0000000000..681ca1c9de
--- /dev/null
+++ b/arch/x86/include/asm/acpi/cros_ec/emem.asl
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2015 The Chromium OS Authors. All rights reserved.
+ */
+
+/*
+ * EMEM data may be accessed through port 62/66 or through LPC at 900h.
+ */
+
+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 (0x24),
+BTVR, 8, // Battery structure version
+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 (0x4d),
+BTCN, 8, // Battery Count
+BTIX, 8, // Battery index
+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
+Offset (0x80),
+ALS0, 16, // ALS reading 0 in lux
diff --git a/arch/x86/include/asm/acpi/cros_ec/keyboard_backlight.asl b/arch/x86/include/asm/acpi/cros_ec/keyboard_backlight.asl
new file mode 100644
index 0000000000..e6edd9680c
--- /dev/null
+++ b/arch/x86/include/asm/acpi/cros_ec/keyboard_backlight.asl
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2015 Google Inc.
+ */
+
+Scope (\_SB)
+{
+ /*
+ * Chrome EC Keyboard Backlight interface
+ */
+ Device (KBLT)
+ {
+ Name (_HID, "GOOG0002")
+ Name (_UID, 1)
+
+ /* Ask EC if we even have a backlight
+ * Return 0xf (present, enabled, show in UI, functioning) or 0
+ *
+ * With older EC codebases that don't support the Device
+ * Features bitfield, this reports the keyboard backlight as
+ * enabled since reads to undefined addresses in EC address
+ * space return 0xff and so KBLE will be 1.
+ */
+ Method (_STA, 0, NotSerialized)
+ {
+ /* If query is unsupported, but this code is compiled
+ * in, assume the backlight exists physically.
+ */
+ If (LEqual (1, \_SB.PCI0.LPCB.EC0.DFUD)) {
+ Return (0xf)
+ }
+ /* If EC reports that backlight exists, trust it */
+ If (LEqual (1, \_SB.PCI0.LPCB.EC0.KBLE)) {
+ Return (0xf)
+ }
+ /* Otherwise: no device -> disable */
+ Return (0)
+ }
+
+ /* Read current backlight value */
+ Method (KBQC, 0, NotSerialized)
+ {
+ Return (\_SB.PCI0.LPCB.EC0.KBLV)
+ }
+
+ /* Write new backlight value */
+ Method (KBCM, 1, NotSerialized)
+ {
+ Store (Arg0, \_SB.PCI0.LPCB.EC0.KBLV)
+ }
+ }
+}
diff --git a/arch/x86/include/asm/acpi/cros_ec/pd.asl b/arch/x86/include/asm/acpi/cros_ec/pd.asl
new file mode 100644
index 0000000000..e55fde347c
--- /dev/null
+++ b/arch/x86/include/asm/acpi/cros_ec/pd.asl
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2014 Google Inc.
+ */
+
+Device (ECPD)
+{
+ Name (_HID, "GOOG0003")
+ Name (_UID, 1)
+ Name (_DDN, "EC PD Device")
+ Method(_STA, 0)
+ {
+ Return (0xB)
+ }
+}
diff --git a/arch/x86/include/asm/acpi/cros_ec/superio.asl b/arch/x86/include/asm/acpi/cros_ec/superio.asl
new file mode 100644
index 0000000000..7ddab1e3cf
--- /dev/null
+++ b/arch/x86/include/asm/acpi/cros_ec/superio.asl
@@ -0,0 +1,159 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2012 The ChromiumOS Authors. All rights reserved.
+ */
+
+/*
+ * 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_HOST_CMD_REGION0 : EC host command buffer
+ * EC_HOST_CMD_REGION1 : EC host command buffer
+ * EC_HOST_CMD_REGION_SIZE : EC host command buffer size
+ */
+
+// 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, 4)
+
+ Method (_STA, 0, NotSerialized) {
+ Return (0x0F)
+ }
+
+ Name (_CRS, ResourceTemplate ()
+ {
+ IO (Decode16, EC_LPC_ADDR_MEMMAP, EC_LPC_ADDR_MEMMAP,
+ 0x08, EC_MEMMAP_SIZE)
+ })
+
+ Name (_PRS, ResourceTemplate ()
+ {
+ IO (Decode16, EC_LPC_ADDR_MEMMAP, EC_LPC_ADDR_MEMMAP,
+ 0x08, EC_MEMMAP_SIZE)
+ })
+ }
+#endif
+
+#ifdef SIO_EC_HOST_ENABLE
+ Device (ECUI) {
+ Name (_HID, EISAID ("PNP0C02"))
+ Name (_UID, 3)
+
+ Method (_STA, 0, NotSerialized) {
+ Return (0x0F)
+ }
+
+ Name (_CRS, ResourceTemplate ()
+ {
+ IO (Decode16,
+ EC_LPC_ADDR_HOST_DATA, EC_LPC_ADDR_HOST_DATA,
+ 0x01, 0x01)
+ IO (Decode16,
+ EC_LPC_ADDR_HOST_CMD, EC_LPC_ADDR_HOST_CMD,
+ 0x01, 0x01)
+ IO (Decode16,
+ EC_HOST_CMD_REGION0, EC_HOST_CMD_REGION0, 0x08,
+ EC_HOST_CMD_REGION_SIZE)
+ IO (Decode16,
+ EC_HOST_CMD_REGION1, EC_HOST_CMD_REGION1, 0x08,
+ EC_HOST_CMD_REGION_SIZE)
+ })
+
+ Name (_PRS, ResourceTemplate ()
+ {
+ StartDependentFn (0, 0) {
+ IO (Decode16, EC_LPC_ADDR_HOST_DATA,
+ EC_LPC_ADDR_HOST_DATA, 0x01, 0x01)
+ IO (Decode16, EC_LPC_ADDR_HOST_CMD,
+ EC_LPC_ADDR_HOST_CMD, 0x01, 0x01)
+ IO (Decode16,
+ EC_HOST_CMD_REGION0, EC_HOST_CMD_REGION0,
+ 0x08, EC_HOST_CMD_REGION_SIZE)
+ IO (Decode16,
+ EC_HOST_CMD_REGION1, EC_HOST_CMD_REGION1,
+ 0x08, EC_HOST_CMD_REGION_SIZE)
+ }
+ EndDependentFn ()
+ })
+ }
+#endif
+
+#ifdef SIO_EC_ENABLE_COM1
+ Device (COM1) {
+ Name (_HID, EISAID ("PNP0501"))
+ Name (_UID, 1)
+
+ Method (_STA, 0, NotSerialized) {
+ Return (0x0F)
+ }
+
+ Name (_CRS, ResourceTemplate ()
+ {
+ IO (Decode16, 0x03F8, 0x3F8, 0x08, 0x08)
+ IRQNoFlags () {4}
+ })
+
+ Name (_PRS, ResourceTemplate ()
+ {
+ StartDependentFn (0, 0) {
+ IO (Decode16, 0x03F8, 0x3F8, 0x08, 0x08)
+ IRQNoFlags () {4}
+ }
+ EndDependentFn ()
+ })
+ }
+#endif
+}
+
+#ifdef SIO_EC_ENABLE_PS2K
+Device (PS2K) // Keyboard
+{
+ Name (_UID, 0)
+ Name (_HID, "GOOG000A")
+ Name (_CID, Package() { EISAID("PNP0303"), EISAID("PNP030B") } )
+
+ Method (_STA, 0, NotSerialized) {
+ Return (0x0F)
+ }
+
+ Name (_CRS, ResourceTemplate()
+ {
+ IO (Decode16, 0x60, 0x60, 0x01, 0x01)
+ IO (Decode16, 0x64, 0x64, 0x01, 0x01)
+#ifdef SIO_EC_PS2K_IRQ
+ SIO_EC_PS2K_IRQ
+#else
+ IRQ (Edge, ActiveHigh, Exclusive) {1}
+#endif
+ })
+
+ Name (_PRS, ResourceTemplate()
+ {
+ StartDependentFn (0, 0) {
+ IO (Decode16, 0x60, 0x60, 0x01, 0x01)
+ IO (Decode16, 0x64, 0x64, 0x01, 0x01)
+#ifdef SIO_EC_PS2K_IRQ
+ SIO_EC_PS2K_IRQ
+#else
+ IRQ (Edge, ActiveHigh, Exclusive) {1}
+#endif
+ }
+ EndDependentFn ()
+ })
+}
+#endif
diff --git a/arch/x86/include/asm/acpi/cros_ec/tbmc.asl b/arch/x86/include/asm/acpi/cros_ec/tbmc.asl
new file mode 100644
index 0000000000..bfe38d668e
--- /dev/null
+++ b/arch/x86/include/asm/acpi/cros_ec/tbmc.asl
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2017 Google Inc.
+ */
+
+Device (TBMC)
+{
+ Name (_HID, "GOOG0006")
+ Name (_UID, 1)
+ Name (_DDN, "Tablet Motion Control")
+ Method (TBMC)
+ {
+ If (LEqual (^^RCTM, One)) {
+ Return (0x1)
+ } Else {
+ Return (0x0)
+ }
+ }
+ Method(_STA, 0)
+ {
+ Return (0xB)
+ }
+}
--
2.25.0.341.g760bfbb309-goog
More information about the U-Boot
mailing list