aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/acpi/cros_ec/ec.asl
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/include/asm/acpi/cros_ec/ec.asl')
-rw-r--r--arch/x86/include/asm/acpi/cros_ec/ec.asl557
1 files changed, 557 insertions, 0 deletions
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 00000000000..03f57f25a29
--- /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
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-20 15:17:27 +0000