Better understanding EC structure, model and firmware naming #98
Replies: 17 comments 63 replies
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Is it legal to obtain/share/use reverse engineered by C# dotnet binary decompilation? Or at least "Trust me bro" representation without direct sharing result of decompilation |
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No, I have a 10 gen Intel i7-10710U |
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Check this #98 (reply in thread) if GUIDs are same it is "WMI1" |
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Yep, they are the same |
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If you need the GUIDs: |
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Actually some EC addresses could be decoded from DSDT, because EC map defined at least twice: named and in address form, we can guess what was encoded in 4 byte ACPI name for first and check addresses in form ??xx or ?xxy, where xx is byte, y - bit If you want to read some ACPI tables (like DSDT) content try this editor MSI forum contain section with mod-BIOSes and mod-ECs Thread about (no) Linux support; Another; Yet another; And another; The last one Admins of the forum say that Linux is not main target which is understandable. Look like no one reported their ticket to support or don't got and shared positive response |
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Please suggest list of apps for MSI laptops and it compatibility:
I'm interested in older ones an it cross compatibility. Each device is supported only by one App, unless the opposite is stated on the support page. Some model supports two Apps, but with different BIOS version. Interesting facts - there are at least 2 or 3 method of accessing EC:
About similar case with WinIO on MSI hardware on Reddit WinIO returns 4 byte for each requested address, 1 current and 3 next. On write WinIO require all 4 bytes as uint32, so usage is quite dangerous if we mess with some important realtime value after it had been changed by hardware. All Apps contain some WMI code called WMI1:
WMI2: (Also shares same BMOF code inside)
MOF code from older Apps is extended in newer with WMI2 section Some EFI vars store info and preferences for model, like Win-FN swap direction. But possibly it's just temp storage. [TODO] |
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Info from DSDT table by https://github.com/aymanbagabas/bmf2mof.wasm Technically speaking, I think that MSI app interact with some BIOS backend via WMI, not EC RAM directly, but also part of this code stored inside the driver. MTDE _WDG B2526ED4-CB45-49FA-9230-8D2FE8AFB8EC
notify_id: 4d
reserved: 4b
instance_count: 01
flags: ACPI_WMI_METHOD(0x2)
1E2A0DA0-2B9E-424F-9C87-B1DAC3F4E9DA
notify_id: b0
reserved: 00
instance_count: 01
flags: ACPI_WMI_EVENT(0x8)
05901221-D566-11D1-B2F0-00A0C9062910
notify_id: 4d
reserved: 4d
instance_count: 01
flags: 0x00SCM0 _WDG 24418D6A-0A79-524C-9AB1-18B78CA68CE7 # MSI_Software
notify_id: 41
reserved: 41
instance_count: 22
flags: ACPI_WMI_EXPENSIVE(0x1)
4AFBD56B-9F91-8F49-81F5-995BA73822AF # MSI_Device
notify_id: 41
reserved: 42
instance_count: 04
flags: ACPI_WMI_EXPENSIVE(0x1)
2D3CBA6C-1C9C-7F41-B54C-F5D5D580D482 # MSI_Power
notify_id: 41
reserved: 43
instance_count: 03
flags: ACPI_WMI_EXPENSIVE(0x1)
40BA026D-075D-CD4A-9710-F7C57347CAC9 # MSI_Master_Battery
notify_id: 41
reserved: 44
instance_count: 10
flags: ACPI_WMI_EXPENSIVE(0x1)
8DBCCF6E-9DB4-0E46-A3F2-99AFAAA77A7A # MSI_Slave_Battery
notify_id: 41
reserved: 45
instance_count: 0e
flags: ACPI_WMI_EXPENSIVE(0x1)
BD2A216F-2FB9-A640-B807-DDDBAD656891 # MSI_CPU
notify_id: 41
reserved: 46
instance_count: 13
flags: ACPI_WMI_EXPENSIVE(0x1)
1EC3EC7A-1E9B-E74A-9026-CF122B0BBD21 # MSI_VGA
notify_id: 41
reserved: 47
instance_count: 12
flags: ACPI_WMI_EXPENSIVE(0x1)
A1753D7B-B621-DE4A-B41A-55716A0ECE7A # MSI_System
notify_id: 41
reserved: 48
instance_count: 15
flags: ACPI_WMI_EXPENSIVE(0x1)
A1753D7C-B621-DE4A-B41A-55716A0ECE7A # MSI_AP
notify_id: 41
reserved: 49
instance_count: 08
flags: ACPI_WMI_EXPENSIVE(0x1)
5B3CC38A-40D9-7245-8AE6-1145B751BE3F # MSI_Event
notify_id: c0
reserved: 00
instance_count: 01
flags: ACPI_WMI_EXPENSIVE(0x1) | ACPI_WMI_EVENT(0x8)WLAN QR01 FC0E0C01-080C-08FA-04FC-0A0DFC0A08FA
notify_id: 06
reserved: 04
instance_count: fc
flags: 00 |
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GUID's from DSDT MSI_Software - Class to ECRam Query/Set Software
MSI_SoftwareGuid { 24418d6a-0a79-524c-9ab1-18b78ca68ce7 }
MSI_Device - Class to ECRam Query/Set Device
MSI_DeviceGuid { 4afbd56b-9f91-8f49-81f5-995ba73822af }
MSI_Power - Class to ECRam Query/Set Power
MSI_PowerGuid { 2d3cba6c-1c9c-7f41-b54c-f5d5d580d482 }
MSI_Master_Battery - Class to ECRam Query/Set Master_Battery
MSI_Master_BatteryGuid { 40ba026d-075d-cd4a-9710-f7c57347cac9 }
MSI_Slave_Battery - Class to ECRam Query/Set Slave_Battery
MSI_Slave_BatteryGuid { 8dbccf6e-9db4-0e46-a3f2-99afaaa77a7a }
MSI_CPU - Class to ECRam Query/Set CPU
MSI_CPUGuid { bd2a216f-2fb9-a640-b807-dddbad656891 }
MSI_VGA - Class to ECRam Query/Set VGA
MSI_VGAGuid { 1ec3ec7a-1e9b-e74a-9026-cf122b0bbd21 }
MSI_System - Class to ECRam Query/Set System
MSI_SystemGuid { a1753d7b-b621-de4a-b41a-55716a0ece7a }
MSI_AP - Class to ECRam Query/Set AP
MSI_APGuid { a1753d7c-b621-de4a-b41a-55716a0ece7a }
MSI_Event - Event defined by MSI
MSI_EventGuid { 5b3cc38a-40d9-7245-8ae6-1145b751be3f }This part is not match Package - This class contains the definition of the package used in other classes
PackageGuid { abbc0f60-8ea1-11d1-00a0-c90629100000 }
Package_1 - This class contains the definition of the package used in other classes
Package_1Guid { abbc0f61-8ea1-11d1-00a0-c90629100000 }
Package_10 - This class contains the definition of the package used in other classes
Package_10Guid { abbc0f62-8ea1-11d1-00a0-c90629100000 }
Package_32 - This class contains the definition of the package used in other classes
Package_32Guid { abbc0f63-8ea1-11d1-00a0-c90629100000 }
MSI_ACPI - Class used to operate methods on a package
MSI_ACPIGuid { abbc0f6e-8ea1-11d1-00a0-c90629100000 }I'll add comments in post above |
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DSDT table of Intel 10 gen and earlier devices contain same GUIDs like any AMD, but on 11+ gen only: MSI_Event - Event defined by MSI
MSI_EventGuid { 5b3cc38a-40d9-7245-8ae6-1145b751be3f }
MSI_ACPI - Class used to operate methods on a package
MSI_ACPIGuid { abbc0f6e-8ea1-11d1-00a0-c90629100000 }MSI_ACPI is New GUID and not contained in older models |
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MOF from MSI SCM for gaming series (around Intel 8+ gen) decompiled by https://github.com/aymanbagabas/bmf2mof.wasm MOF from newer driver is longer, so it possibly crash decompiler, or has different structure that supported only by proprietary MS Driver Kit Spoiler: MOF from MSI SCM#pragma namespace("\\\\.\\root\\wmi")
class WMIEvent : __ExtrinsicEvent {
};
#pragma namespace("\\\\.\\root\\wmi")
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set Software"), guid("{24418D6A-0A79-524C-9AB1-18B78CA68CE7}")]
class MSI_Software {
[key, read] String InstanceName;
[read] Boolean Active;
[WmiDataId(1), read, write, Description("Software")] uint8 Software;
};
#pragma namespace("\\\\.\\root\\wmi")
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set Device"), guid("{4AFBD56B-9F91-8f49-81F5-995BA73822AF}")]
class MSI_Device {
[key, read] String InstanceName;
[read] Boolean Active;
[WmiDataId(1), read, write, Description("Device")] uint8 Device;
};
#pragma namespace("\\\\.\\root\\wmi")
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set Power"), guid("{2D3CBA6C-1C9C-7f41-B54C-F5D5D580D482}")]
class MSI_Power {
[key, read] String InstanceName;
[read] Boolean Active;
[WmiDataId(1), read, write, Description("Power")] uint8 Power;
};
#pragma namespace("\\\\.\\root\\wmi")
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set Master_Battery"), guid("{40BA026D-075D-cd4a-9710-F7C57347CAC9}")]
class MSI_Master_Battery {
[key, read] String InstanceName;
[read] Boolean Active;
[WmiDataId(1), read, write, Description("Master_Battery")] sint16 Master_Battery;
};
#pragma namespace("\\\\.\\root\\wmi")
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set Slave_Battery"), guid("{8DBCCF6E-9DB4-0e46-A3F2-99AFAAA77A7A}")]
class MSI_Slave_Battery {
[key, read] String InstanceName;
[read] Boolean Active;
[WmiDataId(1), read, write, Description("Slave_Battery")] sint16 Slave_Battery;
};
#pragma namespace("\\\\.\\root\\wmi")
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set CPU"), guid("{BD2A216F-2FB9-a640-B807-DDDBAD656891}")]
class MSI_CPU {
[key, read] String InstanceName;
[read] Boolean Active;
[WmiDataId(1), read, write, Description("CPU")] uint8 CPU;
};
#pragma namespace("\\\\.\\root\\wmi")
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set VGA"), guid("{1EC3EC7A-1E9B-e74a-9026-CF122B0BBD21}")]
class MSI_VGA {
[key, read] String InstanceName;
[read] Boolean Active;
[WmiDataId(1), read, write, Description("VGA")] uint8 VGA;
};
#pragma namespace("\\\\.\\root\\wmi")
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set System"), guid("{A1753D7B-B621-de4a-B41A-55716A0ECE7A}")]
class MSI_System {
[key, read] String InstanceName;
[read] Boolean Active;
[WmiDataId(1), read, write, Description("System")] uint8 System;
};
#pragma namespace("\\\\.\\root\\wmi")
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set AP"), guid("{A1753D7C-B621-de4a-B41A-55716A0ECE7A}")]
class MSI_AP {
[key, read] String InstanceName;
[read] Boolean Active;
[WmiDataId(1), read, write, Description("AP")] uint8 AP;
};
#pragma namespace("\\\\.\\root\\wmi")
[WMI, Dynamic, Provider("WmiProv"), Local("MS\\0x409"), Description("Event defined by MSI"), guid("{5B3CC38A-40D9-7245-8AE6-1145B751BE3F}")]
class MSI_Event : WMIEvent {
[key, read] String InstanceName;
[read] Boolean Active;
[WmiDataId(1), read, write, Description("Event defined by MSI")] uint32 MSIEvt;
};Also I managed to decompile bMOF from newer version. It more complicated and also somehow breaks program. So I edited original program used in web tool and removed some exceptions. Original program https://github.com/pali/bmfdec Spoiler: MOF from MSI CenterPro (business)class WMIEvent : __ExtrinsicEvent {
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set Software"), guid("{24418D6A-0A79-524C-9AB1-18B78CA68CE7}")]
class MSI_Software {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("Software")] uint8 Software;
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set Device"), guid("{4AFBD56B-9F91-8f49-81F5-995BA73822AF}")]
class MSI_Device {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("Device")] uint8 Device;
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set Power"), guid("{2D3CBA6C-1C9C-7f41-B54C-F5D5D580D482}")]
class MSI_Power {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("Power")] uint8 Power;
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set Master_Battery"), guid("{40BA026D-075D-cd4a-9710-F7C57347CAC9}")]
class MSI_Master_Battery {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("Master_Battery")] sint16 Master_Battery;
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set Slave_Battery"), guid("{8DBCCF6E-9DB4-0e46-A3F2-99AFAAA77A7A}")]
class MSI_Slave_Battery {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("Slave_Battery")] sint16 Slave_Battery;
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set CPU"), guid("{BD2A216F-2FB9-a640-B807-DDDBAD656891}")]
class MSI_CPU {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("CPU")] uint8 CPU;
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set VGA"), guid("{1EC3EC7A-1E9B-e74a-9026-CF122B0BBD21}")]
class MSI_VGA {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("VGA")] uint8 VGA;
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set System"), guid("{A1753D7B-B621-de4a-B41A-55716A0ECE7A}")]
class MSI_System {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("System")] uint8 System;
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class to ECRam Query/Set AP"), guid("{A1753D7C-B621-de4a-B41A-55716A0ECE7A}")]
class MSI_AP {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("AP")] uint8 AP;
};
[WMI, Dynamic, Provider("WmiProv"), Local("MS\\0x409"), Description("Event defined by MSI"), guid("{5B3CC38A-40D9-7245-8AE6-1145B751BE3F}")]
class MSI_Event : WMIEvent {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("Event defined by MSI")] uint32 MSIEvt;
};
[WMI, Locale("MS\\0x409"), Description("This class contains the definition of the package used in other classes"), guid("{ABBC0F60-8EA1-11d1-00A0-C90629100000}")]
class Package {
[WmiDataId(1), read, write, Description("16 bytes of data")] uint8 Bytes[16];
};
[WMI, Locale("MS\\0x409"), Description("This class contains the definition of the package used in other classes"), guid("{ABBC0F61-8EA1-11d1-00A0-C90629100000}")]
class Package_1 {
[WmiDataId(1), read, write, Description("1 bytes of data")] uint8 Bytes[1];
};
[WMI, Locale("MS\\0x409"), Description("This class contains the definition of the package used in other classes"), guid("{ABBC0F62-8EA1-11d1-00A0-C90629100000}")]
class Package_10 {
[WmiDataId(1), read, write, Description("10 bytes of data")] uint8 Bytes[10];
};
[WMI, Locale("MS\\0x409"), Description("This class contains the definition of the package used in other classes"), guid("{ABBC0F63-8EA1-11d1-00A0-C90629100000}")]
class Package_32 {
[WmiDataId(1), read, write, Description("32 bytes of data")] uint8 Bytes[32];
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Class used to operate methods on a package"), guid("{ABBC0F6E-8EA1-11d1-00A0-C90629100000}")]
class MSI_ACPI {
[key, read] string InstanceName;
[read] boolean Active;
[WmiMethodId(1), Implemented, read, write, Description("Return the contents of a package")] void GetPackage();
[WmiMethodId(2), Implemented, read, write, Description("Set the contents of a package")] void SetPackage();
[WmiMethodId(3), Implemented, read, write, Description("Return the contents of a package")] void Get_EC();
[WmiMethodId(4), Implemented, read, write, Description("Set the contents of a package")] void Set_EC();
[WmiMethodId(5), Implemented, read, write, Description("Return the contents of a package")] void Get_BIOS();
[WmiMethodId(6), Implemented, read, write, Description("Set the contents of a package")] void Set_BIOS();
[WmiMethodId(7), Implemented, read, write, Description("Return the contents of a package")] void Get_SMBUS();
[WmiMethodId(8), Implemented, read, write, Description("Set the contents of a package")] void Set_SMBUS();
[WmiMethodId(9), Implemented, read, write, Description("Return the contents of a package")] void Get_MasterBattery();
[WmiMethodId(10), Implemented, read, write, Description("Set the contents of a package")] void Set_MasterBattery();
[WmiMethodId(11), Implemented, read, write, Description("Return the contents of a package")] void Get_SlaveBattery();
[WmiMethodId(12), Implemented, read, write, Description("Set the contents of a package")] void Set_SlaveBattery();
[WmiMethodId(13), Implemented, read, write, Description("Return the contents of a package")] void Get_Temperature();
[WmiMethodId(14), Implemented, read, write, Description("Set the contents of a package")] void Set_Temperature();
[WmiMethodId(15), Implemented, read, write, Description("Return the contents of a package")] void Get_Thermal();
[WmiMethodId(16), Implemented, read, write, Description("Set the contents of a package")] void Set_Thermal();
[WmiMethodId(17), Implemented, read, write, Description("Return the contents of a package")] void Get_Fan();
[WmiMethodId(18), Implemented, read, write, Description("Set the contents of a package")] void Set_Fan();
[WmiMethodId(19), Implemented, read, write, Description("Return the contents of a package")] void Get_Device();
[WmiMethodId(20), Implemented, read, write, Description("Set the contents of a package")] void Set_Device();
[WmiMethodId(21), Implemented, read, write, Description("Return the contents of a package")] void Get_Power();
[WmiMethodId(22), Implemented, read, write, Description("Set the contents of a package")] void Set_Power();
[WmiMethodId(23), Implemented, read, write, Description("Return the contents of a package")] void Get_Debug();
[WmiMethodId(24), Implemented, read, write, Description("Set the contents of a package")] void Set_Debug();
[WmiMethodId(25), Implemented, read, write, Description("Return the contents of a package")] void Get_AP();
[WmiMethodId(26), Implemented, read, write, Description("Set the contents of a package")] void Set_AP();
[WmiMethodId(27), Implemented, read, write, Description("Return the contents of a package")] void Get_Data();
[WmiMethodId(28), Implemented, read, write, Description("Set the contents of a package")] void Set_Data();
[WmiMethodId(29), Implemented, read, write, Description("Return the contents of a package")] void Get_WMI();
};Same BMOF decompiled with Microsoft mofcomp.exe -MOF:recovered.mof -MFL:ms_409.mof -Amendment:MS_409 .\mof.bmfSpoiler: MOF from MSI CenterPro (business) by `mofcomp.exe`class WMIEvent : __ExtrinsicEvent
{
};
[WMI,Dynamic,Provider("WmiProv"),Locale("MS\\0x409"),Description("Class to ECRam Query/Set Software"),guid("{24418D6A-0A79-524C-9AB1-18B78CA68CE7}")]
class MSI_Software
{
[key,read] InstanceName;
[read] Active;
[WmiDataId(1),read,write,Description("Software")] Software;
};
[WMI,Dynamic,Provider("WmiProv"),Locale("MS\\0x409"),Description("Class to ECRam Query/Set Device"),guid("{4AFBD56B-9F91-8f49-81F5-995BA73822AF}")]
class MSI_Device
{
[key,read] InstanceName;
[read] Active;
[WmiDataId(1),read,write,Description("Device")] Device;
};
[WMI,Dynamic,Provider("WmiProv"),Locale("MS\\0x409"),Description("Class to ECRam Query/Set Power"),guid("{2D3CBA6C-1C9C-7f41-B54C-F5D5D580D482}")]
class MSI_Power
{
[key,read] InstanceName;
[read] Active;
[WmiDataId(1),read,write,Description("Power")] Power;
};
[WMI,Dynamic,Provider("WmiProv"),Locale("MS\\0x409"),Description("Class to ECRam Query/Set Master_Battery"),guid("{40BA026D-075D-cd4a-9710-F7C57347CAC9}")]
class MSI_Master_Battery
{
[key,read] InstanceName;
[read] Active;
[WmiDataId(1),read,write,Description("Master_Battery")] Master_Battery;
};
[WMI,Dynamic,Provider("WmiProv"),Locale("MS\\0x409"),Description("Class to ECRam Query/Set Slave_Battery"),guid("{8DBCCF6E-9DB4-0e46-A3F2-99AFAAA77A7A}")]
class MSI_Slave_Battery
{
[key,read] InstanceName;
[read] Active;
[WmiDataId(1),read,write,Description("Slave_Battery")] Slave_Battery;
};
[WMI,Dynamic,Provider("WmiProv"),Locale("MS\\0x409"),Description("Class to ECRam Query/Set CPU"),guid("{BD2A216F-2FB9-a640-B807-DDDBAD656891}")]
class MSI_CPU
{
[key,read] InstanceName;
[read] Active;
[WmiDataId(1),read,write,Description("CPU")] CPU;
};
[WMI,Dynamic,Provider("WmiProv"),Locale("MS\\0x409"),Description("Class to ECRam Query/Set VGA"),guid("{1EC3EC7A-1E9B-e74a-9026-CF122B0BBD21}")]
class MSI_VGA
{
[key,read] InstanceName;
[read] Active;
[WmiDataId(1),read,write,Description("VGA")] VGA;
};
[WMI,Dynamic,Provider("WmiProv"),Locale("MS\\0x409"),Description("Class to ECRam Query/Set System"),guid("{A1753D7B-B621-de4a-B41A-55716A0ECE7A}")]
class MSI_System
{
[key,read] InstanceName;
[read] Active;
[WmiDataId(1),read,write,Description("System")] System;
};
[WMI,Dynamic,Provider("WmiProv"),Locale("MS\\0x409"),Description("Class to ECRam Query/Set AP"),guid("{A1753D7C-B621-de4a-B41A-55716A0ECE7A}")]
class MSI_AP
{
[key,read] InstanceName;
[read] Active;
[WmiDataId(1),read,write,Description("AP")] AP;
};
[WMI,Dynamic,Provider("WmiProv"),Local("MS\\0x409"),Description("Event defined by MSI"),guid("{5B3CC38A-40D9-7245-8AE6-1145B751BE3F}")]
class MSI_Event : WMIEvent
{
[key,read] InstanceName;
[read] Active;
[WmiDataId(1),read,write,Description("Event defined by MSI")] MSIEvt;
};
[WMI,Locale("MS\\0x409"),Description("This class contains the definition of the package used in other classes"),guid("{ABBC0F60-8EA1-11d1-00A0-C90629100000}")]
class Package
{
[WmiDataId(1),read,write,Description("16 bytes of data"),MAX(16)] Bytes[];
};
[WMI,Locale("MS\\0x409"),Description("This class contains the definition of the package used in other classes"),guid("{ABBC0F61-8EA1-11d1-00A0-C90629100000}")]
class Package_1
{
[WmiDataId(1),read,write,Description("1 bytes of data"),MAX(1)] Bytes[];
};
[WMI,Locale("MS\\0x409"),Description("This class contains the definition of the package used in other classes"),guid("{ABBC0F62-8EA1-11d1-00A0-C90629100000}")]
class Package_10
{
[WmiDataId(1),read,write,Description("10 bytes of data"),MAX(10)] Bytes[];
};
[WMI,Locale("MS\\0x409"),Description("This class contains the definition of the package used in other classes"),guid("{ABBC0F63-8EA1-11d1-00A0-C90629100000}")]
class Package_32
{
[WmiDataId(1),read,write,Description("32 bytes of data"),MAX(32)] Bytes[];
};
[WMI,Dynamic,Provider("WmiProv"),Locale("MS\\0x409"),Description("Class used to operate methods on a package"),guid("{ABBC0F6E-8EA1-11d1-00A0-C90629100000}")]
class MSI_ACPI
{
[key,read] InstanceName;
[read] Active;
[WmiMethodId(1),Implemented,read,write,Description("Return the contents of a package")] GetPackage();
[WmiMethodId(2),Implemented,read,write,Description("Set the contents of a package")] SetPackage();
[WmiMethodId(3),Implemented,read,write,Description("Return the contents of a package")] Get_EC();
[WmiMethodId(4),Implemented,read,write,Description("Set the contents of a package")] Set_EC();
[WmiMethodId(5),Implemented,read,write,Description("Return the contents of a package")] Get_BIOS();
[WmiMethodId(6),Implemented,read,write,Description("Set the contents of a package")] Set_BIOS();
[WmiMethodId(7),Implemented,read,write,Description("Return the contents of a package")] Get_SMBUS();
[WmiMethodId(8),Implemented,read,write,Description("Set the contents of a package")] Set_SMBUS();
[WmiMethodId(9),Implemented,read,write,Description("Return the contents of a package")] Get_MasterBattery();
[WmiMethodId(10),Implemented,read,write,Description("Set the contents of a package")] Set_MasterBattery();
[WmiMethodId(11),Implemented,read,write,Description("Return the contents of a package")] Get_SlaveBattery();
[WmiMethodId(12),Implemented,read,write,Description("Set the contents of a package")] Set_SlaveBattery();
[WmiMethodId(13),Implemented,read,write,Description("Return the contents of a package")] Get_Temperature();
[WmiMethodId(14),Implemented,read,write,Description("Set the contents of a package")] Set_Temperature();
[WmiMethodId(15),Implemented,read,write,Description("Return the contents of a package")] Get_Thermal();
[WmiMethodId(16),Implemented,read,write,Description("Set the contents of a package")] Set_Thermal();
[WmiMethodId(17),Implemented,read,write,Description("Return the contents of a package")] Get_Fan();
[WmiMethodId(18),Implemented,read,write,Description("Set the contents of a package")] Set_Fan();
[WmiMethodId(19),Implemented,read,write,Description("Return the contents of a package")] Get_Device();
[WmiMethodId(20),Implemented,read,write,Description("Set the contents of a package")] Set_Device();
[WmiMethodId(21),Implemented,read,write,Description("Return the contents of a package")] Get_Power();
[WmiMethodId(22),Implemented,read,write,Description("Set the contents of a package")] Set_Power();
[WmiMethodId(23),Implemented,read,write,Description("Return the contents of a package")] Get_Debug();
[WmiMethodId(24),Implemented,read,write,Description("Set the contents of a package")] Set_Debug();
[WmiMethodId(25),Implemented,read,write,Description("Return the contents of a package")] Get_AP();
[WmiMethodId(26),Implemented,read,write,Description("Set the contents of a package")] Set_AP();
[WmiMethodId(27),Implemented,read,write,Description("Return the contents of a package")] Get_Data();
[WmiMethodId(28),Implemented,read,write,Description("Set the contents of a package")] Set_Data();
[WmiMethodId(29),Implemented,read,write,Description("Return the contents of a package")] Get_WMI();
}; |
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Spoiler: full MOF from MSI Center shared by @Wer-Wolf #108class WMIEvent : __ExtrinsicEvent {
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\0x409"), Description("Class to ECRam Query/Set Software"), guid("{24418D6A-0A79-524C-9AB1-18B78CA68CE7}")]
class MSI_Software {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("Software")] uint8 Software;
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\0x409"), Description("Class to ECRam Query/Set Device"), guid("{4AFBD56B-9F91-8f49-81F5-995BA73822AF}")]
class MSI_Device {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("Device")] uint8 Device;
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\0x409"), Description("Class to ECRam Query/Set Power"), guid("{2D3CBA6C-1C9C-7f41-B54C-F5D5D580D482}")]
class MSI_Power {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("Power")] uint8 Power;
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\0x409"), Description("Class to ECRam Query/Set Master_Battery"), guid("{40BA026D-075D-cd4a-9710-F7C57347CAC9}")]
class MSI_Master_Battery {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("Master_Battery")] sint16 Master_Battery;
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\0x409"), Description("Class to ECRam Query/Set Slave_Battery"), guid("{8DBCCF6E-9DB4-0e46-A3F2-99AFAAA77A7A}")]
class MSI_Slave_Battery {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("Slave_Battery")] sint16 Slave_Battery;
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\0x409"), Description("Class to ECRam Query/Set CPU"), guid("{BD2A216F-2FB9-a640-B807-DDDBAD656891}")]
class MSI_CPU {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("CPU")] uint8 CPU;
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\0x409"), Description("Class to ECRam Query/Set VGA"), guid("{1EC3EC7A-1E9B-e74a-9026-CF122B0BBD21}")]
class MSI_VGA {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("VGA")] uint8 VGA;
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\0x409"), Description("Class to ECRam Query/Set System"), guid("{A1753D7B-B621-de4a-B41A-55716A0ECE7A}")]
class MSI_System {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("System")] uint8 System;
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\0x409"), Description("Class to ECRam Query/Set AP"), guid("{A1753D7C-B621-de4a-B41A-55716A0ECE7A}")]
class MSI_AP {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("AP")] uint8 AP;
};
[WMI, Dynamic, Provider("WmiProv"), Local("MS\0x409"), Description("Event defined by MSI"), guid("{5B3CC38A-40D9-7245-8AE6-1145B751BE3F}")]
class MSI_Event : WMIEvent {
[key, read] string InstanceName;
[read] boolean Active;
[WmiDataId(1), read, write, Description("Event defined by MSI")] uint32 MSIEvt;
};
[WMI, Locale("MS\0x409"), Description("This class contains the definition of the package used in other classes"), guid("{ABBC0F60-8EA1-11d1-00A0-C90629100000}")]
class Package {
[WmiDataId(1), read, write, Description("16 bytes of data")] uint8 Bytes[16];
};
[WMI, Locale("MS\0x409"), Description("This class contains the definition of the package used in other classes"), guid("{ABBC0F61-8EA1-11d1-00A0-C90629100000}")]
class Package_1 {
[WmiDataId(1), read, write, Description("1 bytes of data")] uint8 Bytes[1];
};
[WMI, Locale("MS\0x409"), Description("This class contains the definition of the package used in other classes"), guid("{ABBC0F62-8EA1-11d1-00A0-C90629100000}")]
class Package_10 {
[WmiDataId(1), read, write, Description("10 bytes of data")] uint8 Bytes[10];
};
[WMI, Locale("MS\0x409"), Description("This class contains the definition of the package used in other classes"), guid("{ABBC0F63-8EA1-11d1-00A0-C90629100000}")]
class Package_32 {
[WmiDataId(1), read, write, Description("32 bytes of data")] uint8 Bytes[32];
};
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\0x409"), Description("Class used to operate methods on a package"), guid("{ABBC0F6E-8EA1-11d1-00A0-C90629100000}")]
class MSI_ACPI {
[key, read] string InstanceName;
[read] boolean Active;
[WmiMethodId(1), Implemented, read, write, Description("Return the contents of a package")] void GetPackage([out, id(0)] Package Data);
[WmiMethodId(2), Implemented, read, write, Description("Set the contents of a package")] void SetPackage([in, id(0)] Package Data);
[WmiMethodId(3), Implemented, read, write, Description("Return the contents of a package")] void Get_EC([out, id(0)] Package_32 Data);
[WmiMethodId(4), Implemented, read, write, Description("Set the contents of a package")] void Set_EC([in, id(0)] Package_32 Data);
[WmiMethodId(5), Implemented, read, write, Description("Return the contents of a package")] void Get_BIOS([in, out, id(0)] Package_32 Data);
[WmiMethodId(6), Implemented, read, write, Description("Set the contents of a package")] void Set_BIOS([in, out, id(0)] Package_32 Data);
[WmiMethodId(7), Implemented, read, write, Description("Return the contents of a package")] void Get_SMBUS([in, out, id(0)] Package_32 Data);
[WmiMethodId(8), Implemented, read, write, Description("Set the contents of a package")] void Set_SMBUS([in, out, id(0)] Package_32 Data);
[WmiMethodId(9), Implemented, read, write, Description("Return the contents of a package")] void Get_MasterBattery([in, out, id(0)] Package_32 Data);
[WmiMethodId(10), Implemented, read, write, Description("Set the contents of a package")] void Set_MasterBattery([in, out, id(0)] Package_32 Data);
[WmiMethodId(11), Implemented, read, write, Description("Return the contents of a package")] void Get_SlaveBattery([in, out, id(0)] Package_32 Data);
[WmiMethodId(12), Implemented, read, write, Description("Set the contents of a package")] void Set_SlaveBattery([in, out, id(0)] Package_32 Data);
[WmiMethodId(13), Implemented, read, write, Description("Return the contents of a package")] void Get_Temperature([in, out, id(0)] Package_32 Data);
[WmiMethodId(14), Implemented, read, write, Description("Set the contents of a package")] void Set_Temperature([in, out, id(0)] Package_32 Data);
[WmiMethodId(15), Implemented, read, write, Description("Return the contents of a package")] void Get_Thermal([in, out, id(0)] Package_32 Data);
[WmiMethodId(16), Implemented, read, write, Description("Set the contents of a package")] void Set_Thermal([in, out, id(0)] Package_32 Data);
[WmiMethodId(17), Implemented, read, write, Description("Return the contents of a package")] void Get_Fan([in, out, id(0)] Package_32 Data);
[WmiMethodId(18), Implemented, read, write, Description("Set the contents of a package")] void Set_Fan([in, out, id(0)] Package_32 Data);
[WmiMethodId(19), Implemented, read, write, Description("Return the contents of a package")] void Get_Device([in, out, id(0)] Package_32 Data);
[WmiMethodId(20), Implemented, read, write, Description("Set the contents of a package")] void Set_Device([in, out, id(0)] Package_32 Data);
[WmiMethodId(21), Implemented, read, write, Description("Return the contents of a package")] void Get_Power([in, out, id(0)] Package_32 Data);
[WmiMethodId(22), Implemented, read, write, Description("Set the contents of a package")] void Set_Power([in, out, id(0)] Package_32 Data);
[WmiMethodId(23), Implemented, read, write, Description("Return the contents of a package")] void Get_Debug([in, out, id(0)] Package_32 Data);
[WmiMethodId(24), Implemented, read, write, Description("Set the contents of a package")] void Set_Debug([in, out, id(0)] Package_32 Data);
[WmiMethodId(25), Implemented, read, write, Description("Return the contents of a package")] void Get_AP([in, out, id(0)] Package_32 Data);
[WmiMethodId(26), Implemented, read, write, Description("Set the contents of a package")] void Set_AP([in, out, id(0)] Package_32 Data);
[WmiMethodId(27), Implemented, read, write, Description("Return the contents of a package")] void Get_Data([in, out, id(0)] Package_32 Data);
[WmiMethodId(28), Implemented, read, write, Description("Set the contents of a package")] void Set_Data([in, out, id(0)] Package_32 Data);
[WmiMethodId(29), Implemented, read, write, Description("Return the contents of a package")] void Get_WMI([out, id(0)] Package_32 Data);
}; |
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Some obtained data for "New EC/WMI2" (possible Intel) and "Old" (possible AMD). Data from MSI Center Pro (AKA Business) Some settings presented as MWI1 with different from original address Aside from EC addresses program is changing some UEFI vars:
$ efivar -n dd96baaf-145e-4f56-b1cf-193256298e99-MsiDCVarData -p
GUID: dd96baaf-145e-4f56-b1cf-193256298e99
Name: "MsiDCVarData"
Attributes:
Non-Volatile
Boot Service Access
Runtime Service Access
Value:
00000000 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000010 00 00 00 00 |.... |Format: hex b bit New:
Old:
WMI1: (address with bit is toggle)
|
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@teackot Here is pattern of used addresses from DSDT. Can you share your model name and DSDT dump saved in txt (because Github restricts uploading binary files in issues, or try pastebin) sudo cat /sys/firmware/acpi/tables/DSDT > dsdt.txt
In my case there were two EC sequences. ImHex [Remove .txt at the end of filename] five.hexpat.txt Some values are named but unused inside DSDT code, some intersects inside both tables
But anyway many addresses is not highlighted |
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BIOS and EC naming:
On EMSn/IMSn - Look like all current generation EC FW are made on 8051-like architecture |
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Model to software list
Cases:
Some mode like Commercial or Limited Series are offshots of base models and not shown. |
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There are at least 2 or 3 WMI API for different hardware: Intel 12+ gen Business, Gaming, Creator? & AMD Ryzen 7 gen Gaming devices on ITE EC & Intel 11+gen on ENE EC ABBC0F6A-8EA1-11D1-00A0-C90629100000 # Class to test Query/Set a package
notify_id: 41
reserved: 4b
instance_count: 01
flags: ACPI_WMI_EXPENSIVE(0x1)
ABBC0F6B-8EA1-11D1-00A0-C90629100000 # Class to test Query/Set a string
notify_id: 41
reserved: 4c
instance_count: 01
flags: ACPI_WMI_EXPENSIVE(0x1)
ABBC0F6D-8EA1-11D1-00A0-C90629100000 # Class used to operate methods on a package
notify_id: 41
reserved: 4a
instance_count: 01
flags: ACPI_WMI_METHOD(0x2)
ABBC0F6E-8EA1-11D1-00A0-C90629100000 # MSI_ACPI, also "Class used to operate methods on a string" from MS guide
notify_id: 41
reserved: 4d
instance_count: 01
flags: ACPI_WMI_METHOD(0x2)
5B3CC38A-40D9-7245-8AE6-1145B751BE3F # MSI_Event
notify_id: c0
reserved: 00
instance_count: 01
flags: ACPI_WMI_EXPENSIVE(0x1) | ACPI_WMI_EVENT(0x8)AMD Ryzen 5 gen Gaming on ITE EC & Ryzen 4,5,7 gen Business on ENE EC & Intel 10 gen and older on ENE EC
24418D6A-0A79-524C-9AB1-18B78CA68CE7 # MSI_Software
notify_id: 41
reserved: 41
instance_count: 22
flags: ACPI_WMI_EXPENSIVE(0x1)
4AFBD56B-9F91-8F49-81F5-995BA73822AF # MSI_Device
notify_id: 41
reserved: 42
instance_count: 04
flags: ACPI_WMI_EXPENSIVE(0x1)
2D3CBA6C-1C9C-7F41-B54C-F5D5D580D482 # MSI_Power
notify_id: 41
reserved: 43
instance_count: 03
flags: ACPI_WMI_EXPENSIVE(0x1)
40BA026D-075D-CD4A-9710-F7C57347CAC9 # MSI_Master_Battery
notify_id: 41
reserved: 44
instance_count: 10
flags: ACPI_WMI_EXPENSIVE(0x1)
8DBCCF6E-9DB4-0E46-A3F2-99AFAAA77A7A # MSI_Slave_Battery
notify_id: 41
reserved: 45
instance_count: 0e
flags: ACPI_WMI_EXPENSIVE(0x1)
BD2A216F-2FB9-A640-B807-DDDBAD656891 # MSI_CPU
notify_id: 41
reserved: 46
instance_count: 13
flags: ACPI_WMI_EXPENSIVE(0x1)
1EC3EC7A-1E9B-E74A-9026-CF122B0BBD21 # MSI_VGA
notify_id: 41
reserved: 47
instance_count: 12
flags: ACPI_WMI_EXPENSIVE(0x1)
A1753D7B-B621-DE4A-B41A-55716A0ECE7A # MSI_System
notify_id: 41
reserved: 48
instance_count: 15
flags: ACPI_WMI_EXPENSIVE(0x1)
A1753D7C-B621-DE4A-B41A-55716A0ECE7A # MSI_AP
notify_id: 41
reserved: 49
instance_count: 08
flags: ACPI_WMI_EXPENSIVE(0x1)
5B3CC38A-40D9-7245-8AE6-1145B751BE3F # MSI_Event
notify_id: c0
reserved: 00
instance_count: 01
flags: ACPI_WMI_EXPENSIVE(0x1) | ACPI_WMI_EVENT(0x8) |
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On Linux we have ls /sys/bus/wmi/devices/ > guid.txtIn my case for Modern C5M it's 05901221-D566-11D1-B2F0-00A0C9062910 # general purpose BMOF descriptor (in my case AMD_ACPI)
1E2A0DA0-2B9E-424F-9C87-B1DAC3F4E9DA # WLAN Event (useless for our case)
1EC3EC7A-1E9B-E74A-9026-CF122B0BBD21 # MSI_VGA
24418D6A-0A79-524C-9AB1-18B78CA68CE7 # MSI_Software
2D3CBA6C-1C9C-7F41-B54C-F5D5D580D482 # MSI_Power
40BA026D-075D-CD4A-9710-F7C57347CAC9 # MSI_Master_Battery
4AFBD56B-9F91-8F49-81F5-995BA73822AF # MSI_Device
5B3CC38A-40D9-7245-8AE6-1145B751BE3F # MSI_Event
8DBCCF6E-9DB4-0E46-A3F2-99AFAAA77A7A # MSI_Slave_Battery
A1753D7B-B621-DE4A-B41A-55716A0ECE7A # MSI_System
A1753D7C-B621-DE4A-B41A-55716A0ECE7A # MSI_AP
ABBC0F6A-8EA1-11D1-00A0-C90629100000 # general purpose Query/Set package
B2526ED4-CB45-49FA-9230-8D2FE8AFB8EC # WLAN Method (useless for our case)
BD2A216F-2FB9-A640-B807-DDDBAD656891 # MSI_CPUMSI does not include BMOF for |
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Method to address and value table wmi1-14.txt |
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Based on DSDT tables |
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Today LTT showed new Handheld from MSI and look like it running on ENE EC |
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I found awesome module which can read and call ACPI methods. mkottman/acpi_call and newer maintained version nix-community/acpi_call By using this module, ImHex pattern made from DSDT field-structure map we can read required fields.
Drawbacks:
|
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Memory "fields" addressing in ACPI, as it turned out, is not linear as you can assume after looking at mapped address space, which look like this: Field (EC, ByteAcc, NoLock, Preserve){
...
a, 8,
b, 1,
c, 3,
, 4,
d, 16,
...
}I've assumed that they are mapped linearly. Possibly, this mode is present, when b = EC[n] & 1;
c = (EC[n] & 0b00001110) >> 1;Correct me if I'm wrong, please. |
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Bogus screen brightness events are caused by EC, probably in firmware or even board traces |
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Are you still collecting USB PCAP dumps for new hardware? If so, where do we submit them? I have a GE76 which I'm trying to get the keyboard perkey RGB to turn on -- just turning on would be nice, changing colors isn't necessary. |
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Hi, we're doing only EC related stuff. So you probably need to ask the OpenRGB community. Some laptops may have keyboard backlight control from the EC and USB, but they are rare. Please follow their guide https://gitlab.com/OpenRGBDevelopers/OpenRGB-Wiki/-/blob/stable/OpenRGB-doesn't-have-my-device.md If you want to check, is it possible to control keyboard BL brightness from the EC, please follow firmware request template. Please make few dumps with different brightness and share them. I hope that your laptop have some keyboard BL brightness buttons |
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Probably, it is possible to log WMI commands https://learn.microsoft.com/en-us/windows/win32/wmisdk/tracing-wmi-activity |
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It works, so if you have laptop with WMI2 or Claw (probably), please reply |
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PD charger after connection generates next scancodes as generic keyboard: |
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Now we have 4 MSI related modules in kernel:
What we really can do, to not create duplicated projects? |
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I checked DSDT from my ASUS (TUF x505) laptop, and it's way more complicated. It annotates 2 WMI devices WMI0 and ATKD, 1 WMI0 event with 32 bit variable, which notified in 1 method. And 1 ATKD event, which is not included in MOF file. Should I check what event returns on ASUS, or it is useless? Spoiler: DSDT codeWMI0 ```asl Method (_WED, 1, NotSerialized) // _Wxx: Wake Event, xx=0x00-0xFF { Return (Arg0) } ``` And only 1 place where it notified in DSDT ```asl Method (NTFY, 1, Serialized) { XVCD = Arg0 Notify (WMI0, 0x80) // Status Change } ``` --- ATKD ```asl Method (_WED, 1, NotSerialized) // _Wxx: Wake Event, xx=0x00-0xFF { If ((Arg0 == 0xFF)) { Return (GANQ ()) }/// /// |
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Tje ASUS event should have nothing to do with the MSI WMI interface, do they share GUIDs? |
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no, only thing they share is event format, which is (u/s)int32, but i don't know how it packed plus, ASUS have awesome community which support the majority of modern laptops |
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Ok, thanks for explanation |
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Preamble
Thanks all who shared EC dumps.
For better readability screenshots made with this HexPat
Model naming
Model name regularly contain display size and CPU generation. For newer devices is easy to spot as part of model name something like 10-11-12-13... for Intel 10+gen based and 3-4-5-7... for AMD Ryzen based CPU/SoC. Older Intel i3/i5/i7 based devices follows same rule but it submission to this repo is rare. Some models submitted without EC dump or full name.
EC firmware naming
Most fresh models named like
abcdEMS1.ver, whereabfrequently but not always equals to screen diagonal,bcis some model code,EMS1is something,veris version number.Some models have
xxxxEMS2or different code but it structure seems near the sameSeems that
xxxxpart in EC name is mainboard or model codename.Look at the value
Motherboard -> Modeland compare it toBIOS Version.Source #66 @benitozh
Intel VS AMD
Intel 10+gen have shift, backlight, fan settings on
0xD_addresses.AMD Ryzen models - on
0xF_addresses.Older Intel requires more data and research.
[For now] Unusual models
16K2ED61.101not likexxxxEMS1#8817G1EMS2.106withEMS2#82Older models
Very unusual model+release datetime from #35
168AEMS1 Ver4.04, 05/31/2010but followsxxxxEMS1patternExperiments [DO NOT RETRY it can destroy your hardware]
If I understood correctly in #64 @vt92i tried to fix broken keyboard backlight. For this he wrote
0xFFto all EC registers and this somehow impacted some default values, some of them seemedreadonlybut some wasread/wright.Highlighted values with binary pattern
?4. Some other values are changed too, like datetime in EC name/Deltas
Very similar AMD based devices.
Some values could be ignored, but range
0x30-4flooks interesting.AMD based device with EC name
IMS1look similar to Intel based device withEMS1(which is more submitted)In many cases
EMS1AMD and Intel devices is less compatibleIf you have model with different from usual
xxxxEMS1.verEC firmware name please send it dumpBeta Was this translation helpful? Give feedback.
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