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alex.xu
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Mar 31, 2020
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| /* | ||
| * Starting with macOS 10.15 Ambient Light Sensor presence is required for backlight functioning. | ||
| * Here we create an Ambient Light Sensor ACPI Device, which can be used by SMCLightSensor kext | ||
| * to report either dummy (when no device is present) or valid values through SMC interface. | ||
| */ | ||
| DefinitionBlock ("", "SSDT", 2, "ACDT", "ALS0", 0x00000000) | ||
| { | ||
| Scope (_SB) | ||
| { | ||
| Device (ALS0) | ||
| { | ||
| Name (_HID, "ACPI0008" /* Ambient Light Sensor Device */) // _HID: Hardware ID | ||
| Name (_CID, "smc-als") // _CID: Compatible ID | ||
| Name (_ALI, 0x012C) // _ALI: Ambient Light Illuminance | ||
| Name (_ALR, Package (0x01) // _ALR: Ambient Light Response | ||
| { | ||
| Package (0x02) | ||
| { | ||
| 0x64, | ||
| 0x012C | ||
| } | ||
| }) | ||
| Method (_STA, 0, NotSerialized) // _STA: Status | ||
| { | ||
| If (_OSI ("Darwin")) | ||
| { | ||
| Return (0x0F) | ||
| } | ||
| Else | ||
| { | ||
| Return (Zero) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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@@ -23,4 +23,3 @@ DefinitionBlock ("", "SSDT", 2, "ACDT", "AWAC", 0x00000000) | |
| } | ||
| } | ||
| } | ||
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@@ -98,4 +98,3 @@ DefinitionBlock ("", "SSDT", 2, "ACDT", "SsdtEC", 0x00001000) | |
| } | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| /* | ||
| * Intel 300-series PMC support for macOS | ||
| * | ||
| * Starting from Z390 chipsets PMC (D31:F2) is only available through MMIO. | ||
| * Since there is no standard device for PMC in ACPI, Apple introduced its | ||
| * own naming "APP9876" to access this device from AppleIntelPCHPMC driver. | ||
| * To avoid confusion we disable this device for all other operating systems, | ||
| * as they normally use another non-standard device with "PNP0C02" HID and | ||
| * "PCHRESV" UID. | ||
| * | ||
| * On certain implementations, including APTIO V, PMC initialisation is | ||
| * required for NVRAM access. Otherwise it will freeze in SMM mode. | ||
| * The reason for this is rather unclear. Note, that PMC and SPI are | ||
| * located in separate memory regions and PCHRESV maps both, yet only | ||
| * PMC region is used by AppleIntelPCHPMC: | ||
| * 0xFE000000~0xFE00FFFF - PMC MBAR | ||
| * 0xFE010000~0xFE010FFF - SPI BAR0 | ||
| * 0xFE020000~0xFE035FFF - SerialIo BAR in ACPI mode | ||
| * | ||
| * PMC device has nothing to do to LPC bus, but is added to its scope for | ||
| * faster initialisation. If we add it to PCI0, where it normally exists, | ||
| * it will start in the end of PCI configuration, which is too late for | ||
| * NVRAM support. | ||
| */ | ||
| DefinitionBlock ("", "SSDT", 2, "ACDT", "PMCR", 0x00001000) | ||
| { | ||
| External (_SB_.PCI0.LPCB, DeviceObj) | ||
|
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||
| Scope (_SB.PCI0.LPCB) | ||
| { | ||
| Device (PMCR) | ||
| { | ||
| Name (_HID, EisaId ("APP9876")) // _HID: Hardware ID | ||
| Method (_STA, 0, NotSerialized) // _STA: Status | ||
| { | ||
| If (_OSI ("Darwin")) | ||
| { | ||
| Return (0x0B) | ||
| } | ||
| Else | ||
| { | ||
| Return (Zero) | ||
| } | ||
| } | ||
| Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings | ||
| { | ||
| Memory32Fixed (ReadWrite, | ||
| 0xFE000000, // Address Base | ||
| 0x00010000, // Address Length | ||
| ) | ||
| }) | ||
| } | ||
| } | ||
| } |
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@@ -36,4 +36,4 @@ DefinitionBlock ("", "SSDT", 2, "ACDT", "RTC0", 0x00000000) | |
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
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@@ -70,4 +70,3 @@ DefinitionBlock ("", "SSDT", 2, "ACDT", "MCHCSBUS", 0x00000000) | |
| Return (Zero) | ||
| } | ||
| } | ||
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