mirror of
https://github.com/acidanthera/OpenCorePkg.git
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238 lines
11 KiB
Plaintext
238 lines
11 KiB
Plaintext
// Adding PNLF device for WhateverGreen.kext and others.
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// This is a modified PNLF version originally taken from RehabMan/OS-X-Clover-Laptop-Config repository:
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// https://raw.githubusercontent.com/RehabMan/OS-X-Clover-Laptop-Config/master/hotpatch/SSDT-PNLF.dsl
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// Rename GFX0 to anything else if your IGPU name is different.
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//
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// Licensed under GNU General Public License v2.0
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// https://github.com/RehabMan/OS-X-Clover-Laptop-Config/blob/master/License.md
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#define FBTYPE_SANDYIVY 1
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#define FBTYPE_HSWPLUS 2
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#define FBTYPE_CFL 3
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#define SANDYIVY_PWMMAX 0x710
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#define HASWELL_PWMMAX 0xad9
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#define SKYLAKE_PWMMAX 0x56c
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#define CUSTOM_PWMMAX_07a1 0x07a1
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#define CUSTOM_PWMMAX_1499 0x1499
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#define COFFEELAKE_PWMMAX 0xffff
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DefinitionBlock ("", "SSDT", 2, "ACDT", "PNLF", 0)
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{
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External (RMCF.BKLT, IntObj)
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External (RMCF.LMAX, IntObj)
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External (RMCF.LEVW, IntObj)
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External (RMCF.GRAN, IntObj)
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External (RMCF.FBTP, IntObj)
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External (_SB_.PCI0.GFX0, DeviceObj)
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If (_OSI ("Darwin")) {
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Scope (\_SB.PCI0.GFX0)
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{
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OperationRegion (RMP3, PCI_Config, Zero, 0x14)
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// For backlight control
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Device (PNLF)
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{
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Name (_HID, EisaId("APP0002"))
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Name (_CID, "backlight")
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// _UID is set depending on PWMMax to match profiles in WhateverGreen.kext https://github.com/acidanthera/WhateverGreen/blob/1.4.7/WhateverGreen/kern_weg.cpp#L32
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// 14: Sandy/Ivy 0x710
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// 15: Haswell/Broadwell 0xad9
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// 16: Skylake/KabyLake 0x56c (and some Haswell, example 0xa2e0008)
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// 17: custom LMAX=0x7a1
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// 18: custom LMAX=0x1499
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// 19: CoffeeLake 0xffff
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// 99: Other (requires custom profile using WhateverGreen.kext via DeviceProperties applbkl-name and applbkl-data)
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Name (_UID, 0)
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Name (_STA, 0x0B)
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Field (^RMP3, AnyAcc, NoLock, Preserve)
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{
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Offset (0x02), GDID,16,
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Offset (0x10), BAR1,32,
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}
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// IGPU PWM backlight register descriptions:
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// LEV2 not currently used
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// LEVL level of backlight in Sandy/Ivy
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// P0BL counter, when zero is vertical blank
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// GRAN see description below in INI1 method
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// LEVW should be initialized to 0xC0000000
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// LEVX PWMMax except FBTYPE_HSWPLUS combo of max/level (Sandy/Ivy stored in MSW)
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// LEVD level of backlight for Coffeelake
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// PCHL not currently used
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OperationRegion (RMB1, SystemMemory, BAR1 & ~0xF, 0xe1184)
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Field(RMB1, AnyAcc, Lock, Preserve)
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{
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Offset (0x48250),
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LEV2, 32,
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LEVL, 32,
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Offset (0x70040),
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P0BL, 32,
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Offset (0xc2000),
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GRAN, 32,
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Offset (0xc8250),
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LEVW, 32,
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LEVX, 32,
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LEVD, 32,
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Offset (0xe1180),
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PCHL, 32,
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}
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// INI1 is common code used by FBTYPE_HSWPLUS and FBTYPE_CFL
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Method (INI1, 1)
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{
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// INTEL OPEN SOURCE HD GRAPHICS, INTEL IRIS GRAPHICS, AND INTEL IRIS PRO GRAPHICS PROGRAMMER'S REFERENCE MANUAL (PRM)
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// FOR THE 2015-2016 INTEL CORE PROCESSORS, CELERON PROCESSORS AND PENTIUM PROCESSORS BASED ON THE "SKYLAKE" PLATFORM
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// Volume 12: Display (https://01.org/sites/default/files/documentation/intel-gfx-prm-osrc-skl-vol12-display.pdf)
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// page 189
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// Backlight Enabling Sequence
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// Description
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// 1. Set frequency and duty cycle in SBLC_PWM_CTL2 Backlight Modulation Frequency and Backlight Duty Cycle.
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// 2. Set granularity in 0xC2000 bit 0 (0 = 16, 1 = 128).
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// 3. Enable PWM output and set polarity in SBLC_PWM_CTL1 PWM PCH Enable and Backlight Polarity.
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// 4. Change duty cycle as needed in SBLC_PWM_CTL2 Backlight Duty Cycle.
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// This 0xC value comes from looking what OS X initializes this
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// register to after display sleep (using ACPIDebug/ACPIPoller)
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If (0 == (2 & Arg0))
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{
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Local5 = 0xC0000000
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If (CondRefOf(\RMCF.LEVW)) { If (Ones != \RMCF.LEVW) { Local5 = \RMCF.LEVW } }
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^LEVW = Local5
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}
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// from step 2 above (you may need 1 instead)
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If (4 & Arg0)
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{
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If (CondRefOf(\RMCF.GRAN)) { ^GRAN = \RMCF.GRAN }
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Else { ^GRAN = 0 }
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}
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}
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Method (_INI)
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{
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// IntelBacklight.kext takes care of this at load time...
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// If RMCF.BKLT does not exist, it is assumed you want to use AppleBacklight.kext...
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Local4 = 1
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If (CondRefOf(\RMCF.BKLT)) { Local4 = \RMCF.BKLT }
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If (!(1 & Local4)) { Return }
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// Adjustment required when using WhateverGreen.kext
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Local0 = ^GDID
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Local2 = Ones
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If (CondRefOf(\RMCF.LMAX)) { Local2 = \RMCF.LMAX }
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// Determine framebuffer type (for PWM register layout)
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Local3 = 0
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If (CondRefOf(\RMCF.FBTP)) { Local3 = \RMCF.FBTP }
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// Now fixup the backlight PWM depending on the framebuffer type
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// At this point:
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// Local4 is RMCF.BLKT value, if specified (default is 1)
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// Local0 is device-id for IGPU
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// Local2 is LMAX, if specified (Ones means based on device-id)
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// Local3 is framebuffer type
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// check Sandy/Ivy
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If (FBTYPE_SANDYIVY == Local3 || Ones != Match(Package()
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{
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// Sandy HD3000
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0x010b, 0x0102,
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0x0106, 0x1106, 0x1601, 0x0116, 0x0126,
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0x0112, 0x0122,
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// Ivy
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0x0152, 0x0156, 0x0162, 0x0166,
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0x016a,
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// Arrandale
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0x0046, 0x0042,
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}, MEQ, Local0, MTR, 0, 0))
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{
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if (Ones == Local2) { Local2 = SANDYIVY_PWMMAX }
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// change/scale only if different than current...
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Local1 = ^LEVX >> 16
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If (!Local1) { Local1 = Local2 }
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If (!(8 & Local4) && Local2 != Local1)
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{
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// set new backlight PWMMax but retain current backlight level by scaling
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Local0 = (^LEVL * Local2) / Local1
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//REVIEW: wait for vblank before setting new PWM config
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//For (Local7 = ^P0BL, ^P0BL == Local7, ) { }
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Local3 = Local2 << 16
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If (Local2 > Local1)
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{
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// PWMMax is getting larger... store new PWMMax first
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^LEVX = Local3
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^LEVL = Local0
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}
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Else
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{
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// otherwise, store new brightness level, followed by new PWMMax
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^LEVL = Local0
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^LEVX = Local3
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}
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}
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}
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// check CoffeeLake and later
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ElseIf (FBTYPE_CFL == Local3 || Ones != Match(Package()
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{
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// CoffeeLake and Whiskey Lake and CometLake and IceLake
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0x3e9b, 0x3ea5, 0x3e92, 0x3e91, 0x3EA0, 0x3EA6, 0x3E98,
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0x9BC8, 0x9BC5, 0x9BC4, 0xFF05, 0x8A70, 0x8A71, 0x8A51,
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0x8A5C, 0x8A5D, 0x8A52, 0x8A53, 0x8A56, 0x8A5A, 0x8A5B,
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0x9B41, 0x9B21, 0x9BCA, 0x9BA4,
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}, MEQ, Local0, MTR, 0, 0))
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{
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if (Ones == Local2) { Local2 = COFFEELAKE_PWMMAX }
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}
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// otherwise must be Haswell/Broadwell/Skylake/KabyLake/KabyLake-R (FBTYPE_HSWPLUS)
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Else
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{
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if (Ones == Local2)
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{
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// check Haswell and Broadwell, as they are both 0xad9 (for most common ig-platform-id values)
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If (Ones != Match(Package()
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{
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// Haswell
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0x0d26, 0x0a26, 0x0d22, 0x0412, 0x0416, 0x0a16, 0x0a1e, 0x0a1e, 0x0a2e, 0x041e, 0x041a,
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// Broadwell
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0x0bd1, 0x0bd2, 0x0BD3, 0x1606, 0x160e, 0x1616, 0x161e, 0x1626, 0x1622, 0x1612, 0x162b,
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}, MEQ, Local0, MTR, 0, 0))
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{
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Local2 = HASWELL_PWMMAX
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}
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Else
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{
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// assume Skylake/KabyLake/KabyLake-R, both 0x56c
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// 0x1916, 0x191E, 0x1926, 0x1927, 0x1912, 0x1932, 0x1902, 0x1917, 0x191b,
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// 0x5916, 0x5912, 0x591b, others...
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Local2 = SKYLAKE_PWMMAX
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}
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}
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INI1 (Local4)
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// change/scale only if different than current...
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Local1 = ^LEVX >> 16
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If (!Local1) { Local1 = Local2 }
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If (!(8 & Local4) && Local2 != Local1)
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{
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// set new backlight PWMAX but retain current backlight level by scaling
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Local0 = (((^LEVX & 0xFFFF) * Local2) / Local1) | (Local2 << 16)
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//REVIEW: wait for vblank before setting new PWM config
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//For (Local7 = ^P0BL, ^P0BL == Local7, ) { }
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^LEVX = Local0
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}
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}
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// Now Local2 is the new PWMMax, set _UID accordingly
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// The _UID selects the correct entry in WhateverGreen.kext
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If (Local2 == SANDYIVY_PWMMAX) { _UID = 14 }
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ElseIf (Local2 == HASWELL_PWMMAX) { _UID = 15 }
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ElseIf (Local2 == SKYLAKE_PWMMAX) { _UID = 16 }
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ElseIf (Local2 == CUSTOM_PWMMAX_07a1) { _UID = 17 }
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ElseIf (Local2 == CUSTOM_PWMMAX_1499) { _UID = 18 }
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ElseIf (Local2 == COFFEELAKE_PWMMAX) { _UID = 19 }
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Else { _UID = 99 }
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}
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}
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}
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}
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}
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