2020-11-03 11:58:35 -06:00
/*
*
* Neccessary dependcies to read from the machine's embedded controller. This patch is specific to the x1c6, and to a larger extent, ThinkPads. Not to be confused with Dortania's SSDT-EC.dsl
*
* For use with YogaSMC.kext and App
* https://github.com/zhen-zen/YogaSMC
*
* Credits @benbender @zhen-zen
*/
/*
https://github.com/coreboot/coreboot/blob/master/src/ec/quanta/it8518/acpi/ec.asl
Memory layout of X1C6-embedded controller as far as known:
OperationRegion (ECOR, EmbeddedControl, 0x00, 0x0100)
Field (ECOR, ByteAcc, NoLock, Preserve)
{
HDBM, 1,
, 1,
, 1,
HFNE, 1, // Enable Sticky Fn Key
, 1,
, 1,
HLDM, 1,
Offset (0x01), // [Configuration Space 1]
BBLS, 1,
BTCM, 1,
, 1,
, 1,
, 1,
HBPR, 1,
BTPC, 1,
Offset (0x02), // [Configuration Space 2]
HDUE, 1,
, 4,
SNLK, 1,
Offset (0x03), // [Configuration Space 3]
, 5,
HAUM, 2,
Offset (0x05), // [Sound Mask 1]
HSPA, 1, // power off alarm
Offset (0x06), // [Sound ID (Write only)]
HSUN, 8, // Sound ID (Write Only)
Offset(0x07), // [Sound Repeat Interval (unit time 125ms)]
HSRP, 8, // Sound Repeat Interval (Unit time : 125ms )
Offset (0x0C), // [LED On/Off/ Blinking Control (Write only)]
HLCL, 4, // 0: power LED
// 1: battery status 0
// 2: battery status 1
// 3: additional Bay LED (Venice) / reserved (Toronto-4) / Slicer LED (Tokyo)
// 4-6: reserved
// 7: suspend LED
// 8: dock LED 1
// 9: dock LED 2
// 10-13: reserved
// 14: microphone mute
// 15: reserved
, 4,
CALM, 1,
Offset (0x0E), // [Peripheral Status 4]
HFNS, 2, // Bit[1, 0] : Fn Key Status
// [0, 0] ... Unlock
// [0, 1] ... Sticky
// [1, 0] ... Lock
// [1, 1] ... Reserved
Offset (0x0F), // [Peripheral status 5 (read only)] ?
, 6,
NULS, 1,
Offset (0x10), // [Attention Mask (00-127)]
HAM0, 8, // 10 : Attention Mask (00-07)
HAM1, 8, // 11 : Attention Mask (08-0F)
HAM2, 8, // 12 : Attention Mask (10-17)
HAM3, 8, // 13 : Attention Mask (18-1F)
HAM4, 8, // 14 : Attention Mask (20-27)
HAM5, 8, // 15 : Attention Mask (28-2F)
HAM6, 8, // 16 : Attention Mask (30-37)
HAM7, 8, // 17 : Attention Mask (38-3F)
HAM8, 8, // 18 : Attention Mask (40-47)
HAM9, 8, // 19 : Attention Mask (48-4F)
HAMA, 8, // 1A : Attention Mask (50-57)
HAMB, 8, // 1B : Attention Mask (58-5F)
HAMC, 8, // 1C : Attention Mask (60-67)
HAMD, 8, // 1D : Attention Mask (68-6F)
HAME, 8, // 1E : Attention Mask (70-77)
HAMF, 8, // 1F : Attention Mask (78-7F)
Offset (0x23), // [Misc. control]
HANT, 8,
Offset (0x26),
, 2,
HANA, 2,
Offset (0x27), // [Passward Scan Code]
Offset (0x28),
, 1,
SKEM, 1,
Offset (0x29),
Offset (0x2A), // [Attention Request]
HATR, 8, // 2A : Attention request
Offset(0x2B), // [Trip point of battery capacity]
HT0H, 8, // 2B : MSB of Trip Point Capacity for Battery 0
HT0L, 8, // 2C : LSB of Trip Point Capacity for Battery 0
HT1H, 8, // 2D : MSB of Trip Point Capacity for Battery 1
HT1L, 8, // 2E : LSB of Trip Point Capacity for Battery 1
Offset(0x2F), // [Fan Speed Control]
HFSP, 8, // bit 2-0: speed (0: stop, 7:highest speed)
// bit 5-3: reserved (should be 0)
// bit 6: max. speed
// bit 7: Automatic mode (fan speed controlled by thermal level)
Offset(0x30), // [Audio mute control]
, 7, // Reserved bits[0:6]
SMUT, 1, // Mute
Offset (0x31), // [Peripheral Control 2]
FANS, 2, // bit 0,1 Fan selector ?
// 00: Fan 1, 01: Fan 2 ?
HUWB, 1, // UWB on
, 3,
VPON, 1,
VRST, 1,
Offset(0x32), // [EC Event Mask 0]
HWPM, 1, // PME : Not used. PME# is connected to GPE directly.
HWLB, 1, // Critical Low Bat
HWLO, 1, // Lid Open
HWDK, 1,
HWFN, 1, // FN key
HWBT, 1,
HWRI, 1, // Ring Indicator (UART)
HWBU, 1, // Bay Unlock
HWLU, 1,
Offset (0x34),
, 3,
PIBS, 1,
, 3,
HPLO, 1,
Offset (0x36),
HWAC, 16,
Offset(0x38), // [Battery 0 status (read only)]
HB0S, 7, // bit 3-0 level
// F: Unknown
// 2-n: battery level
// 1: low level
// 0: (critical low battery, suspend/ hibernate)
// bit 4 error
// bit 5 charge
// bit 6 discharge
HB0A, 1, // bit 7 battery attached
Offset(0x39), // [Battery 1 status (read only)]
// bit definition is the same as offset(0x38)
Offset(0x3A), // [Peripheral control 0]
HCMU, 1, // Mute
, 2,
OVRQ, 1,
DCBD, 1, // Bluetooth On
DCWL, 1, // Wireless Lan On
DCWW, 1, // Wireless Wan On
HB1I, 1,
Offset(0x3B), // [Peripheral control 1]
, 1, // Speaker Mute
KBLT, 1, // Keyboard Light
BTPW, 1,
FNKC, 1,
HUBS, 1,
BDPW, 1, // Bluetooth power?
BDDT, 1, // Bluetooth detach?
HUBB, 1,
Offset(0x3C), // [Resume reason (Read only)]
Offset(0x3D), // [Password Control byte]
Offset(0x3E), // [Password data (8 byte)~ offset:45h]
Offset (0x46), // [sense status 0]
, 1,
BTWK, 1,
HPLD, 1, // LID open
, 1,
HPAC, 1, // External power (AC status)
BTST, 1,
PSST, 1,
Offset (0x47), // [sense status 1]
HPBU, 1, // Bay Unlock
, 1,
HBID, 1,
, 3,
HBCS, 1,
HPNF, 1,
Offset(0x48), // [sense status 2]
, 1,
GSTS, 1, // Global Wan Enable Switch
, 2,
HLBU, 1,
DOCD, 1,
HCBL, 1,
Offset (0x49), // [sense status 3]
SLUL, 1,
, 1,
ACAT, 1,
, 4,
ELNK, 1,
Offset (0x4C), // [MSB of Event Timer]
HTMH, 8,
HTML, 8,
HWAK, 16,
HMPR, 8,
, 7,
HMDN, 1,
Offset (0x78), // [Temperature of thermal sensor 0 (centigrade)]
TMP0, 8, // 78 : Temperature of thermal sensor 0
Offset (0x80), // [Attention control byte]
Offset (0x81), // [Battery information ID for 0xA0-0xAF]
HIID, 8, // (this byte is depend on the interface, 62&66 and 1600&1604)
Offset (0x83), // [Fn Dual function ID]
HFNI, 8, // 0: none
// 1-3: Reserved
// 4: ACPI Power
// 5: ACPI Sleep
// 6: ACPI Wake
// 7: Left Ctrl key
Offset(0x84), // [Fan Speed]
HSPD, 16, //
// (I/F Offset 3Bh bit5 => 0:Main Fan , 1:Second Fan)
Offset (0x88), // [Thermal Status of Level 0 (low)]
TSL0, 7,
TSR0, 1,
Offset (0x89), // [Thermal Status of Level 1 (middle)]
TSL1, 7,
TSR1, 1,
Offset (0x8A), // [Thermal Status of Level 2 (middle high)]
TSL2, 7,
TSR2, 1,
Offset (0x8B), // [Thermal Status of Level 3 (high)]
TSL3, 7,
TSR3, 1,
GPUT, 1,
Offset(0x8D), // [Interval of polling Always-on cards in half minute]
HDAA, 3, // Warning Delay Period
HDAB, 3, // Stolen Delay Period
HDAC, 2, // Sensitivity
Offset (0xB0),
HDEN, 32,
HDEP, 32,
HDEM, 8,
HDES, 8,
Offset (0xC4),
SDKL, 1,
Offset (0xC5),
Offset (0xC8), // [Adaptive Thermal Management (ATM)]
ATMX, 8, // bit 7-4 - Thermal Table & bit 3-0 - Fan Speed Table
Offset(0xC9), // [Wattage of AC/DC]
HWAT, 8, //
Offset (0xCC), //
PWMH, 8, // CC : AC Power Consumption (MSB)
PWML, 8, // CD : AC Power Consumption (LSB) - unit: 100mW
Offset (0xCF),
, 6,
ESLP, 1,
Offset (0xD0),
Offset (0xED),
, 4,
HDDD, 1
}
*/
DefinitionBlock ("", "SSDT", 2, "tyler", "_EC", 0)
{
Scope (\)
{
/*
* Status from two EC fields
*/
Method (B1B2, 2, NotSerialized)
{
Local0 = (Arg1 << 0x08)
Local0 |= Arg0
Return (Local0)
}
/*
* Status from four EC fields
*/
Method (B1B4, 4, NotSerialized)
{
Local0 = Arg3
Local0 = (Arg2 | (Local0 << 0x08))
Local0 = (Arg1 | (Local0 << 0x08))
Local0 = (Arg0 | (Local0 << 0x08))
Return (Local0)
}
}
/*
* Methods to EC read / write access in case you don't have battery patch
* Taken from Rehabmman's guide: https://www.tonymacx86.com/threads/guide-how-to-patch-dsdt-for-working-battery-status.116102/
*/
External (_SB_.PCI0.LPCB.EC, DeviceObj) // EC path
Scope (_SB.PCI0.LPCB.EC)
{
/*
* Called from RECB, grabs a single byte from EC
* Arg0 - offset in bytes from zero-based EC
*/
Method (RE1B, 1, Serialized)
{
OperationRegion (ERAM, EmbeddedControl, Arg0, One)
Field (ERAM, ByteAcc, NoLock, Preserve)
{
BYTE, 8
}
Return (BYTE)
}
/*
* Grabs specified number of bytes from EC
* Arg0 - offset in bytes from zero-based EC
* Arg1 - size of buffer in bits
*/
Method (RECB, 2, Serialized)
{
Arg1 = ((Arg1 + 0x07) >> 0x03)
Name (TEMP, Buffer (Arg1) {})
Arg1 += Arg0
Local0 = Zero
While ((Arg0 < Arg1))
{
TEMP [Local0] = RE1B (Arg0)
Arg0++
Local0++
}
Return (TEMP)
}
Method (WE1B, 2, Serialized)
{
OperationRegion (ERAM, EmbeddedControl, Arg0, One)
Field (ERAM, ByteAcc, NoLock, Preserve)
{
BYTE, 8
}
BYTE = Arg1
}
Method (WECB, 3, Serialized)
{
Arg1 = ((Arg1 + 0x07) >> 0x03)
Name (TEMP, Buffer (Arg1) {})
TEMP = Arg2
Arg1 += Arg0
Local0 = Zero
While ((Arg0 < Arg1))
{
WE1B (Arg0, DerefOf (TEMP [Local0]))
Arg0++
Local0++
}
}
}
/*
Sample SSDT for ThinkSMC sensor access
Double check name of FieldUnit for collision
Registers return 0x00 for non-implemented,
and return 0x80 when not available.
*/
External (_SB.PCI0.LPCB.EC.HKEY, DeviceObj) // HKEY path
External (_SB.PCI0.LPCB.EC.HFSP, FieldUnitObj) // Fan control register
External (_SB.PCI0.LPCB.EC.HFNI, FieldUnitObj) // Fan control register
External (_SB.PCI0.LPCB.EC.VRST, FieldUnitObj) // Second fan switch register
External (_SI._SST, MethodObj) // Indicator
/*
* Optional: Route to customized LED pattern or origin _SI._SST if differ from built in pattern.
*/
Scope (\_SB.PCI0.LPCB.EC.HKEY)
{
// Used as a proxy-method to interface with \_SI._SST in YogaSMC
Method (CSSI, 1, NotSerialized)
{
\_SI._SST (Arg0)
}
}
/*
* Optional: Sensor access
*
* Double check name of FieldUnit for collision
* Registers return 0x00 for non-implemented,
* and return 0x80 when not available.
*/
Scope (_SB.PCI0.LPCB.EC)
{
OperationRegion (ESEN, EmbeddedControl, Zero, 0x0100)
Field (ESEN, ByteAcc, Lock, Preserve)
{
// TP_EC_THERMAL_TMP0
Offset (0x78),
EST0, 8, // CPU
EST1, 8,
EST2, 8,
EST3, 8, // GPU ?
EST4, 8, // Battery ?
EST5, 8, // Battery ?
EST6, 8, // Battery ?
EST7, 8, // Battery ?
// TP_EC_THERMAL_TMP8
Offset (0xC0),
EST8, 8,
EST9, 8,
ESTA, 8,
ESTB, 8,
ESTC, 8,
ESTD, 8,
ESTE, 8,
ESTF, 8
}
}
/*
2020-12-26 07:11:29 -06:00
* Deprecated: Write access to fan control register
2020-11-03 11:58:35 -06:00
*/
Scope (\_SB.PCI0.LPCB.EC.HKEY)
{
Method (CFSP, 1, NotSerialized)
{
\_SB.PCI0.LPCB.EC.HFSP = Arg0
}
Method (CFNI, 1, NotSerialized)
{
\_SB.PCI0.LPCB.EC.HFNI = Arg0
}
Method (CRST, 1, NotSerialized)
{
\_SB.PCI0.LPCB.EC.VRST = Arg0
}
}
}
