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Diffstat (limited to 'Vlv2DeviceRefCodePkg/AcpiTablesPCAT/IgdOMOBF.ASL')
| -rw-r--r-- | Vlv2DeviceRefCodePkg/AcpiTablesPCAT/IgdOMOBF.ASL | 485 |
1 files changed, 0 insertions, 485 deletions
diff --git a/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/IgdOMOBF.ASL b/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/IgdOMOBF.ASL deleted file mode 100644 index 917e326..0000000 --- a/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/IgdOMOBF.ASL +++ /dev/null @@ -1,485 +0,0 @@ -/*++
-
-Copyright (c) 1999 - 2014, Intel Corporation. All rights reserved
-
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-
-
-Module Name:
-
- IgdOMOBF.ASL
-
-Abstract:
-
- IGD OpRegion/Software SCI Reference Code for the Baytrail Family.
- This file contains ASL code with the purpose of handling events
- i.e. hotkeys and other system interrupts.
-
---*/
-
-
-// Notes:
-// 1. The following routines are to be called from the appropriate event
-// handlers.
-// 2. This code cannot comprehend the exact implementation in the OEM's BIOS.
-// Therefore, an OEM must call these methods from the existing event
-// handler infrastructure. Details on when/why to call each method is
-// included in the method header under the "usage" section.
-
-
-/************************************************************************;
-;* ACPI Notification Methods
-;************************************************************************/
-
-
-/************************************************************************;
-;*
-;* Name: PDRD
-;*
-;* Description: Check if the graphics driver is ready to process
-;* notifications and video extensions.
-;*
-;* Usage: This method is to be called prior to performing any
-;* notifications or handling video extensions.
-;* Ex: If (PDRD()) {Return (FAIL)}
-;*
-;* Input: None
-;*
-;* Output: None
-;*
-;* References: DRDY (Driver ready status), ASLP (Driver recommended
-;* sleep timeout value).
-;*
-;************************************************************************/
-
-Method(PDRD)
-{
- If(LNot(DRDY))
- {
-
- // Sleep for ASLP milliseconds if the driver is not ready.
-
- Sleep(ASLP)
- }
-
- // If DRDY is clear, the driver is not ready. If the return value is
- // !=0, do not perform any notifications or video extension handling.
-
- Return(LNot(DRDY))
-}
-
-
-/************************************************************************;
-;*
-;* Name: PSTS
-;*
-;* Description: Check if the graphics driver has completed the previous
-;* "notify" command.
-;*
-;* Usage: This method is called before every "notify" command. A
-;* "notify" should only be set if the driver has completed the
-;* previous command. Else, ignore the event and exit the parent
-;* method.
-;* Ex: If (PSTS()) {Return (FAIL)}
-;*
-;* Input: None
-;*
-;* Output: None
-;*
-;* References: CSTS (Notification status), ASLP (Driver recommended sleep
-;* timeout value).
-;*
-;************************************************************************/
-
-Method(PSTS)
-{
- If(LGreater(CSTS, 2))
- {
- // Sleep for ASLP milliseconds if the status is not "success,
- // failure, or pending"
- //
- Sleep(ASLP)
- }
-
- Return(LEqual(CSTS, 3)) // Return True if still Dispatched
-}
-
-
-/************************************************************************;
-;*
-;* Name: GNOT
-;*
-;* Description: Call the appropriate methods to query the graphics driver
-;* status. If all methods return success, do a notification of
-;* the graphics device.
-;*
-;* Usage: This method is to be called when a graphics device
-;* notification is required (display switch hotkey, etc).
-;*
-;* Input: Arg0 = Current event type:
-;* 1 = display switch
-;* 2 = lid
-;* 3 = dock
-;* Arg1 = Notification type:
-;* 0 = Re-enumeration
-;* 0x80 = Display switch
-;*
-;* Output: Returns 0 = success, 1 = failure
-;*
-;* References: PDRD and PSTS methods. OSYS (OS version)
-;*
-;************************************************************************/
-
-Method(GNOT, 2)
-{
- // Check for 1. Driver loaded, 2. Driver ready.
- // If any of these cases is not met, skip this event and return failure.
- //
- If(PDRD())
- {
- Return(0x1) // Return failure if driver not loaded.
- }
-
- Store(Arg0, CEVT) // Set up the current event value
- Store(3, CSTS) // CSTS=BIOS dispatched an event
-
- If(LAnd(LEqual(CHPD, 0), LEqual(Arg1, 0))) // Do not re-enum if driver supports hotplug
- {
- If(LOr(LGreater(OSYS, 2000), LLess(OSYS, 2006)))
- {
- //
- // WINXP requires that the entire PCI Bridge be re-enumerated.
- //
- Notify(\_SB.PCI0, Arg1)
- }
- Else
- {
- //
- // Re-enumerate the Graphics Device for non-XP operating systems.
- //
- Notify(\_SB.PCI0.GFX0, Arg1)
- }
- }
-
- Notify(\_SB.PCI0.GFX0,0x80)
-
-
- Return(0x0) // Return success
-}
-
-
-/************************************************************************;
-;*
-;* Name: GHDS
-;*
-;* Description: Handle a hotkey display switching event (performs a
-;* Notify(GFX0, 0).
-;*
-;* Usage: This method must be called when a hotkey event occurs and the
-;* purpose of that hotkey is to do a display switch.
-;*
-;* Input: Arg0 = Toggle table number.
-;*
-;* Output: Returns 0 = success, 1 = failure.
-;* CEVT and TIDX are indirect outputs.
-;*
-;* References: TIDX, GNOT
-;*
-;************************************************************************/
-
-Method(GHDS, 1)
-{
- Store(Arg0, TIDX) // Store the table number
-
- // Call GNOT for CEVT = 1 = hotkey, notify value = 0
-
- Return(GNOT(1, 0)) // Return stats from GNOT
-}
-
-
-/************************************************************************;
-;*
-;* Name: GLID
-;*
-;* Description: Handle a lid event (performs the Notify(GFX0, 0), but not the
-;* lid notify).
-;*
-;* Usage: This method must be called when a lid event occurs. A
-;* Notify(LID0, 0x80) must follow the call to this method.
-;*
-;* Input: Arg0 = Lid state:
-;* 0 = All closed
-;* 1 = internal LFP lid open
-;* 2 = external lid open
-;* 3 = both external and internal open
-;*
-;* Output: Returns 0=success, 1=failure.
-;* CLID and CEVT are indirect outputs.
-;*
-;* References: CLID, GNOT
-;*
-;************************************************************************/
-
-Method(GLID, 1)
-{
- Store(Arg0, CLID) // Store the current lid state
-
- // Call GNOT for CEVT=2=Lid, notify value = 0
-
- Return(GNOT(2, 0)) // Return stats from GNOT
-}
-
-
-/************************************************************************;
-;*
-;* Name: GDCK
-;*
-;* Description: Handle a docking event by updating the current docking status
-;* and doing a notification.
-;*
-;* Usage: This method must be called when a docking event occurs.
-;*
-;* Input: Arg0 = Docking state:
-;* 0 = Undocked
-;* 1 = Docked
-;*
-;* Output: Returns 0=success, 1=failure.
-;* CDCK and CEVT are indirect outputs.
-;*
-;* References: CDCK, GNOT
-;*
-;************************************************************************/
-
-Method(GDCK, 1)
-{
- Store(Arg0, CDCK) // Store the current dock state
-
- // Call GNOT for CEVT=4=Dock, notify value = 0
-
- Return(GNOT(4, 0)) // Return stats from GNOT
-}
-
-
-/************************************************************************;
-;* ASLE Interrupt Methods
-;************************************************************************/
-
-
-/************************************************************************;
-;*
-;* Name: PARD
-;*
-;* Description: Check if the driver is ready to handle ASLE interrupts
-;* generate by the system BIOS.
-;*
-;* Usage: This method must be called before generating each ASLE
-;* interrupt.
-;*
-;* Input: None
-;*
-;* Output: Returns 0 = success, 1 = failure.
-;*
-;* References: ARDY (Driver readiness), ASLP (Driver recommended sleep
-;* timeout value)
-;*
-;************************************************************************/
-
-Method(PARD)
-{
- If(LNot(ARDY))
- {
-
- // Sleep for ASLP milliseconds if the driver is not ready.
-
- Sleep(ASLP)
- }
-
- // If ARDY is clear, the driver is not ready. If the return value is
- // !=0, do not generate the ASLE interrupt.
-
- Return(LNot(ARDY))
-}
-
-
-/************************************************************************;
-;*
-;* Name: AINT
-;*
-;* Description: Call the appropriate methods to generate an ASLE interrupt.
-;* This process includes ensuring the graphics driver is ready
-;* to process the interrupt, ensuring the driver supports the
-;* interrupt of interest, and passing information about the event
-;* to the graphics driver.
-;*
-;* Usage: This method must called to generate an ASLE interrupt.
-;*
-;* Input: Arg0 = ASLE command function code:
-;* 0 = Set ALS illuminance
-;* 1 = Set backlight brightness
-;* 2 = Do Panel Fitting
-;* Arg1 = If Arg0 = 0, current ALS reading:
-;* 0 = Reading below sensor range
-;* 1-0xFFFE = Current sensor reading
-;* 0xFFFF = Reading above sensor range
-;* Arg1 = If Arg0 = 1, requested backlight percentage
-;*
-;* Output: Returns 0 = success, 1 = failure
-;*
-;* References: PARD method.
-;*
-;************************************************************************/
-
-Method(AINT, 2)
-{
-
- // Return failure if the requested feature is not supported by the
- // driver.
-
- If(LNot(And(TCHE, ShiftLeft(1, Arg0))))
- {
- Return(0x1)
- }
-
- // Return failure if the driver is not ready to handle an ASLE
- // interrupt.
-
- If(PARD())
- {
- Return(0x1)
- }
-
- // Evaluate the first argument (Panel fitting, backlight brightness, or ALS).
-
- If(LEqual(Arg0, 2)) // Arg0 = 2, so request a panel fitting mode change.
- {
- If(CPFM) // If current mode field is non-zero use it.
- {
- And(CPFM, 0x0F, Local0) // Create variables without reserved
- And(EPFM, 0x0F, Local1) // or valid bits.
-
- If(LEqual(Local0, 1)) // If current mode is centered,
- {
- If(And(Local1, 6)) // and if stretched is enabled,
- {
- Store(6, PFIT) // request stretched.
- }
- Else // Otherwise,
- {
- If(And(Local1, 8)) // if aspect ratio is enabled,
- {
- Store(8, PFIT) // request aspect ratio.
- }
- Else // Only centered mode is enabled
- {
- Store(1, PFIT) // so request centered. (No change.)
- }
- }
- }
- If(LEqual(Local0, 6)) // If current mode is stretched,
- {
- If(And(Local1, 8)) // and if aspect ratio is enabled,
- {
- Store(8, PFIT) // request aspect ratio.
- }
- Else // Otherwise,
- {
- If(And(Local1, 1)) // if centered is enabled,
- {
- Store(1, PFIT) // request centered.
- }
- Else // Only stretched mode is enabled
- {
- Store(6, PFIT) // so request stretched. (No change.)
- }
- }
- }
- If(LEqual(Local0, 8)) // If current mode is aspect ratio,
- {
- If(And(Local1, 1)) // and if centered is enabled,
- {
- Store(1, PFIT) // request centered.
- }
- Else // Otherwise,
- {
- If(And(Local1, 6)) // if stretched is enabled,
- {
- Store(6, PFIT) // request stretched.
- }
- Else // Only aspect ratio mode is enabled
- {
- Store(8, PFIT) // so request aspect ratio. (No change.)
- }
- }
- }
- }
-
- // The following code for panel fitting (within the Else condition) is retained for backward compatiblity.
-
- Else // If CFPM field is zero use PFIT and toggle the
- {
- Xor(PFIT,7,PFIT) // mode setting between stretched and centered only.
- }
-
- Or(PFIT,0x80000000,PFIT) // Set the valid bit for all cases.
-
- Store(4, ASLC) // Store "Panel fitting event" to ASLC[31:1]
- }
- Else
- {
- If(LEqual(Arg0, 1)) // Arg0=1, so set the backlight brightness.
- {
- Store(Divide(Multiply(Arg1, 255), 100), BCLP) // Convert from percent to 0-255.
-
- Or(BCLP, 0x80000000, BCLP) // Set the valid bit.
-
- Store(2, ASLC) // Store "Backlight control event" to ASLC[31:1]
- }
- Else
- {
- If(LEqual(Arg0, 0)) // Arg0=0, so set the ALS illuminace
- {
- Store(Arg1, ALSI)
-
- Store(1, ASLC) // Store "ALS event" to ASLC[31:1]
- }
- Else
- {
- Return(0x1) // Unsupported function
- }
- }
- }
-
- Store(0x01, ASLE) // Generate ASLE interrupt
- Return(0x0) // Return success
-}
-
-
-/************************************************************************;
-;*
-;* Name: SCIP
-;*
-;* Description: Checks the presence of the OpRegion and SCI
-;*
-;* Usage: This method is called before other OpRegion methods. The
-;* former "GSMI True/False is not always valid. This method
-;* checks if the OpRegion Version is non-zero and if non-zero,
-;* (present and readable) then checks the GSMI flag.
-;*
-;* Input: None
-;*
-;* Output: Boolean True = SCI present.
-;*
-;* References: None
-;*
-;************************************************************************/
-
-Method(SCIP)
-{
- If(LNotEqual(OVER,0)) // If OpRegion Version not 0.
- {
- Return(LNot(GSMI)) // Return True if SCI.
- }
-
- Return(0) // Else Return False.
-}
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