/* SPDX-License-Identifier: GPL-2.0-only */ /* This file is part of the coreboot project. */ /* * 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. */ External (\_SB.CP00._PPC, IntObj) Device (EC0) { Name (_HID, EISAID ("PNP0C09")) Name (_UID, 1) Name (_GPE, Add(EC_SCI_GPI, 16)) // GPE for Runtime SCI OperationRegion (ERAM, EmbeddedControl, 0x00, 0xff) Field (ERAM, ByteAcc, Lock, Preserve) { // EC Name Space Configuration Offset(0x40), BDC0, 16, // Batt Design Capacity ; 40h, 41h BDV0, 16, // Batt Design Voltage ; 42h, 43h BFC0, 16, // Batt Last Full Charge Capacity ; 44h, 45h BPC0, 16, // Batt Current ; 46h, 47h BRC0, 16, // Batt Remaining Capacity ; 48h, 49h BPV0, 16, // Batt Present Voltage ; 4Ah, 4Bh BCG0, 16, // Batt Charge current ; 4Ch, 4Dh BACV, 16, // Batt Charging Voltage ; 4Eh, 4Fh BTM0, 16, // Batt Battery Temp ; 50h, 51h BSN0, 16, // Batt Serial Number ; 52h, 53h BPCT, 16, // Batt Percentage of full charge ; 54h, 55h BSSB, 16, // BATT Battery Status SMB ; 56h, 57h CYC0, 16, // Batt Cycle Counter ; 58h, 59h BMD0, 16, // Manufacture Date ; 5Ah, 5Bh // Batt Day ; BIT[4:0] (Day) // Batt Month ; BIT[9:5] (Month) // Batt Year ; BIT[15:10] (Year) Offset(0x60), BCHM, 32, // Battery Chemistry ; 60h - 64h BATD, 56, // Battery Device name ; 64h - 6Ah Offset(0x70), ADPT, 1, // AC Adapter Status for OS ; 70h.0 ADPN, 1, // AC Adapter H/W status ; 70h.1 BTIN, 1, // Battery Present ; 70h.2 BTBD, 1, // Battery Malfunction ; 70h.3 ACMD, 1, // ACPI Mode ; 70h.4 , 1, // Reserved ; 70h.5 SSBS, 1, // 1=Standard BIOS, 0=coreboot ; 70h.6 PSTH, 1, // Passive Thermal Policy ; 70h.7 BST0, 8, // Battery Status ; 71h // Bit0 : Discharging // Bit1 : Charging // Bit2 : Discharging and Critical Low // Bit3-7 : Reserved LIDF, 1, // Lid is open ; 72h.0 GPRC, 1, // Recovery GPI Status ; 72h.1 , 6, // Reserved ; 72h.2-7 TPLD, 1, // TouchPad LED Activation ; 73h.0 TPST, 1, // Touchpad LED Status ; 73h.1 , 6, // Reserved ; 73h.2-7 Offset(0x78), CTMP, 8, // Current CPU Temperature ; 78h SKTB, 8, // GPU Temperature ; 79h LTM1, 8, // Local Temp 1 ; 7Ah LTM2, 8, // Local Temp 2 ; 7Bh FTCH, 16, // Fan Tachometer value ; 7Ch - 7Dh FDBG, 16, // Fan Debug - Override Fan Tach value ; 7Eh - 7Fh , 1, // Reserved ; 80h.0 KBID, 1, // 0=EN KBD, 1=JP KBD ; 80h.1 , 6, // Reserved ; 80h.2-7 NPST, 8, // Number of P-State level ; 81h MPST, 8, // Maxumum P-State ; 82h KWAK, 1, // Keyboard WAKE(0=Disable,1=Enable) ; 83h.0 TWAK, 1, // TouchPad WAKE(0=Disable,1=Enable) ; 83h.1 , 1, // Reserved ; 83h.2 LWAK, 1, // LAN Wake Enable (0=Disable, 1=Enable); 83h.3 RWAK, 1, // RTC Wake Enable(0=DIsable,1=Enable) ; 83h.4 , 3, // Reserved ; 83h.5-7 KBEV, 1, // Keyboard Wake Event ; 84h.0 TPEV, 1, // TouchPad Wake Event ; 84h.1 LDEV, 1, // Lid Wake Event ; 84h.2 , 4, // Reserved ; 84h.3-6 PBEV, 1, // Power Button Wake Event ; 84h.7 ECCD, 8, // EC Code State ; 85h ROFW, 8, // RO FW Reason ID ; 86h Offset(0xBA), FWVR, 48, // EC Firmware Version ; BAh-BFh Offset(0xC0), SMPR, 8, // SMBus protocol register ; C0h SMST, 8, // SMBus status register ; C1h SMAD, 8, // SMBus address register ; C2h SMCM, 8, // SMBus command register ; C3h SMD0, 0x100, // SMBus data regs (32) ; C4h - E3h BCNT, 8, // SMBus Block Count ; E4h } Method (_CRS, 0, Serialized) { Name (ECMD, ResourceTemplate() { IO (Decode16, 0x62, 0x62, 0, 1) IO (Decode16, 0x66, 0x66, 0, 1) }) Return (ECMD) } Method(_STA) { Return(0x0F) } Method (_REG, 2, NotSerialized) { // Initialize AC power state Store (ADPT, \PWRS) // Initialize LID switch state Store (LIDF, \LIDS) // Force a read of CPU temperature Store (CTMP, Local0) // Use Local0 to avoid iasl warning: Method Local is set but never used And(Local0, Ones, Local0) // Find and program number of P-States Store (SizeOf (\_SB.CP00._PSS), MPST) Store ("Programming number of P-states: ", Debug) Store (MPST, Debug) // Find and program the current P-State Store(\_SB.CP00._PPC, NPST) Store ("Programming Current P-state: ", Debug) Store (NPST, Debug) } /* * EC Query Responses * * Lid Status Change 06h * Wifi Button Event (F12) 07h * TZ Event Update CPU Temp 08h * CPU P-State Down 0Eh * CPU P-State UP 0Fh * AC plug in 10h * AC removed 11h * Battery Plugged in 12h * Battery Removed 13h * Battery State Change 14h */ // Wifi Button Event Method (_Q07) { Store ("Wifi Button Event 0x07", Debug) } // Thermal Event Method (_Q08) { Store ("Thermal Event 0x08", Debug) Notify(\_TZ.THRM, 0x80) } // Pstate Down Method (_Q0E) { Store ("Pstate Event 0x0E", Debug) Store(\_SB.CP00._PPC, Local0) Subtract(PPCM, 0x01, Local1) If(LLess(Local0, Local1)) { Increment(Local0) \PPCN () } Store(Local0, NPST) } // Pstate Up Method (_Q0F) { Store ("Pstate Event 0x0F", Debug) Store(\_SB.CP00._PPC, Local0) If(Local0) { Decrement(Local0) \PPCN () } Store(Local0, NPST) } // AC Power Connected Method (_Q10, 0, NotSerialized) { Store ("AC Insertion Event 0x10", Debug) Store (One, \PWRS) Notify (AC, 0x80) Notify (BATX, 0x80) \PNOT () } // AC Power Removed Method (_Q11, 0, NotSerialized) { Store ("AC Detach Event 0x11", Debug) Store (Zero, \PWRS) Notify (AC, 0x80) Notify (BATX, 0x80) \PNOT () } // Battery State Change - Attach Event Method (_Q12, 0, NotSerialized) { Store ("Battery Insertion Event 0x12", Debug) Notify (BATX, 0x81) Notify (BATX, 0x80) \PNOT () } // Battery State Change - Detach Event Method (_Q13, 0, NotSerialized) { Store ("Battery Detach Event 0x13", Debug) Notify (BATX, 0x81) Notify (BATX, 0x80) \PNOT () } // Battery State Change Event Method (_Q14, 0, NotSerialized) { Store ("Battery State Change Event 0x14", Debug) Notify (BATX, 0x80) } // Lid Switch Event Method (_Q06) { Store ("Lid Switch Event 0x06", Debug) sleep(20) Store (LIDF, \LIDS) Notify (\_SB.LID0, 0x80) } #include "ac.asl" #include "battery.asl" }