diff options
| author | David Wei <david.wei@intel.com> | 2015-01-12 09:37:20 +0000 |
|---|---|---|
| committer | zwei4 <zwei4@Edk2> | 2015-01-12 09:37:20 +0000 |
| commit | 3cbfba02fef9dae07a041fdbf2e89611d72d6f90 (patch) | |
| tree | 0b3bf0783124d38a191e09736492c0141aa36c15 /Vlv2DeviceRefCodePkg/AcpiTablesPCAT/IgdOSBCB.ASL | |
| parent | 6f785cfcc304c48ec04e542ee429df95e7b51bc5 (diff) | |
| download | edk2-platforms-3cbfba02fef9dae07a041fdbf2e89611d72d6f90.tar.xz | |
Upload BSD-licensed Vlv2TbltDevicePkg and Vlv2DeviceRefCodePkg to
https://svn.code.sf.net/p/edk2/code/trunk/edk2/,
which are for MinnowBoard MAX open source project.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: David Wei <david.wei@intel.com>
Reviewed-by: Mike Wu <mike.wu@intel.com>
Reviewed-by: Hot Tian <hot.tian@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16599 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'Vlv2DeviceRefCodePkg/AcpiTablesPCAT/IgdOSBCB.ASL')
| -rw-r--r-- | Vlv2DeviceRefCodePkg/AcpiTablesPCAT/IgdOSBCB.ASL | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/IgdOSBCB.ASL b/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/IgdOSBCB.ASL new file mode 100644 index 0000000000..418329dce0 --- /dev/null +++ b/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/IgdOSBCB.ASL @@ -0,0 +1,280 @@ +/*++
+
+Copyright (c) 1999 - 2014, Intel Corporation. All rights reserved
+
+ This program and the accompanying materials are licensed and made available under
+ the terms and conditions of the BSD License that accompanies this distribution.
+ The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+
+
+Module Name:
+
+ IgdOSBCB.ASL
+
+Abstract:
+
+ IGD OpRegion/Software SCI Reference Code for the Baytrail Family.
+ This file contains the system BIOS call back functionality for the
+ OpRegion/Software SCI mechanism.
+
+--*/
+
+
+Method (SBCB, 0, Serialized)
+{
+
+ // Supported Callbacks: Sub-function 0
+
+ If (LEqual(GESF, 0x0))
+ {
+
+ //<TODO> An OEM may support the driver->SBIOS status callbacks, but
+ // the supported callbacks value must be modified. The code that is
+ // executed upon reception of the callbacks must be also be updated
+ // to perform the desired functionality.
+
+ Store(0x00000000, PARM) // No callbacks supported
+
+ If(LEqual(PFLV,FMBL))
+ {
+ Store(0x000F87FD, PARM) // Mobile
+ }
+ If(LEqual(PFLV,FDTP))
+ {
+ Store(0x000F87BD, PARM) // Desktop
+ }
+
+ Store(Zero, GESF) // Clear the exit parameter
+ Return(SUCC) // "Success"
+ }
+
+ // BIOS POST Completion: Sub-function 1
+
+ If (LEqual(GESF, 1))
+ {
+ Store(Zero, GESF) // Clear the exit parameter
+ Store(Zero, PARM)
+ Return(SUCC) // Not supported, but no failure
+ }
+
+ // Pre-Hires Set Mode: Sub-function 3
+
+ If (LEqual(GESF, 3))
+ {
+ Store(Zero, GESF) // Clear the exit parameter
+ Store(Zero, PARM)
+ Return(SUCC) // Not supported, but no failure
+ }
+
+ // Post-Hires Set Mode: Sub-function 4
+
+ If (LEqual(GESF, 4))
+ {
+ Store(Zero, GESF) // Clear the exit parameter
+ Store(Zero, PARM)
+ Return(SUCC) // Not supported, but no failure
+ }
+
+ // Display Switch: Sub-function 5
+
+ If (LEqual(GESF, 5))
+ {
+ Store(Zero, GESF) // Clear the exit parameter
+ Store(Zero, PARM)
+ Return(SUCC) // Not supported, but no failure
+ }
+
+ // Set TV format: Sub-function 6
+
+ If (LEqual(GESF, 6))
+ {
+
+ //<TODO> If implemented, the input values must be saved into
+ // non-volatile storage for parsing during the next boot. The
+ // following Sample code is Intel validated implementation.
+
+ Store(And(PARM, 0x0F), ITVF)
+ Store(ShiftRight(And(PARM, 0xF0), 4), ITVM)
+ Store(Zero, GESF) // Clear the exit parameter
+ Store(Zero, PARM)
+ Return(SUCC)
+ }
+
+ // Adapter Power State: Sub-function 7
+
+ If (LEqual(GESF, 7))
+ {
+
+ // Upon notification from driver that the Adapter Power State = D0,
+ // check if previous lid event failed. If it did, retry the lid
+ // event here.
+ If(LEqual(PARM, 0))
+ {
+ Store(CLID, Local0)
+ If(And(0x80000000,Local0))
+ {
+ And(CLID, 0x0000000F, CLID)
+ GLID(CLID)
+ }
+ }
+ Store(Zero, GESF) // Clear the exit parameter
+ Store(Zero, PARM)
+ Return(SUCC) // Not supported, but no failure
+ }
+
+ // Display Power State: Sub-function 8
+
+ If (LEqual(GESF, 8))
+ {
+ Store(Zero, GESF) // Clear the exit parameter
+ Store(Zero, PARM)
+ Return(SUCC) // Not supported, but no failure
+ }
+
+ // Set Boot Display: Sub-function 9
+
+ If (LEqual(GESF, 9))
+ {
+
+ //<TODO> An OEM may elect to implement this method. In that case,
+ // the input values must be saved into non-volatile storage for
+ // parsing during the next boot. The following Sample code is Intel
+ // validated implementation.
+
+ And(PARM, 0xFF, IBTT) // Save the boot display to NVS
+ Store(Zero, GESF) // Clear the exit parameter
+ Store(Zero, PARM)
+ Return(SUCC) // Reserved, "Critical failure"
+ }
+
+ // Set Panel Details: Sub-function 10 (0Ah)
+
+ If (LEqual(GESF, 10))
+ {
+
+ //<TODO> An OEM may elect to implement this method. In that case,
+ // the input values must be saved into non-volatile storage for
+ // parsing during the next boot. The following Sample code is Intel
+ // validated implementation.
+
+ // Set the panel-related NVRAM variables based the input from the driver.
+
+ And(PARM, 0xFF, IPSC)
+
+ // Change panel type if a change is requested by the driver (Change if
+ // panel type input is non-zero). Zero=No change requested.
+
+ If(And(ShiftRight(PARM, 8), 0xFF))
+ {
+ And(ShiftRight(PARM, 8), 0xFF, IPAT)
+ Decrement(IPAT) // 0 = no change, so fit to CMOS map
+ }
+ And(ShiftRight(PARM, 18), 0x3, IBLC)
+ And(ShiftRight(PARM, 20), 0x7, IBIA)
+ Store(Zero, GESF) // Clear the exit parameter
+ Store(Zero, PARM)
+ Return(SUCC) // Success
+ }
+
+ // Set Internal Graphics: Sub-function 11 (0Bh)
+
+ If (LEqual(GESF, 11))
+ {
+
+ //<TODO> An OEM may elect to implement this method. In that case,
+ // the input values must be saved into non-volatile storage for
+ // parsing during the next boot. The following Sample code is Intel
+ // validated implementation.
+
+ And(ShiftRight(PARM, 1), 1, IF1E) // Program the function 1 option
+
+ // Fixed memory/DVMT memory
+
+ And(ShiftRight(PARM, 17), 0xF, IDMS) // Program DVMT/fixed memory size
+
+ Store(Zero, GESF) // Clear the exit parameter
+ Store(Zero, PARM)
+ Return(SUCC) // Success
+ }
+
+ // Post-Hires to DOS FS: Sub-function 16 (10h)
+
+ If (LEqual(GESF, 16))
+ {
+ Store(Zero, GESF) // Clear the exit parameter
+ Store(Zero, PARM)
+ Return(SUCC) // Not supported, but no failure
+ }
+
+ // APM Complete: Sub-function 17 (11h)
+
+ If (LEqual(GESF, 17))
+ {
+
+ Store(ShiftLeft(LIDS, 8), PARM) // Report the lid state
+ Add(PARM, 0x100, PARM) // Adjust the lid state, 0 = Unknown
+
+ Store(Zero, GESF) // Clear the exit parameter
+ Return(SUCC) // Not supported, but no failure
+ }
+
+ // Set Spread Spectrum Clocks: Sub-function 18 (12h)
+
+ If (LEqual(GESF, 18))
+ {
+
+ //<TODO> An OEM may elect to implement this method. In that case,
+ // the input values must be saved into non-volatile storage for
+ // parsing during the next boot. The following Sample code is Intel
+ // validated implementation.
+
+ If(And(PARM, 1))
+ {
+ If(LEqual(ShiftRight(PARM, 1), 1))
+ {
+ Store(1, ISSC) // Enable HW SSC, only for clock 1
+ }
+ Else
+ {
+ Store(Zero, GESF)
+ Return(CRIT) // Failure, as the SSC clock must be 1
+ }
+ }
+ Else
+ {
+ Store(0, ISSC) // Disable SSC
+ }
+ Store(Zero, GESF) // Clear the exit parameter
+ Store(Zero, PARM)
+ Return(SUCC) // Success
+ }
+
+ // Post VBE/PM Callback: Sub-function 19 (13h)
+
+ If (LEqual(GESF, 19))
+ {
+ Store(Zero, GESF) // Clear the exit parameter
+ Store(Zero, PARM)
+ Return(SUCC) // Not supported, but no failure
+ }
+
+ // Set PAVP Data: Sub-function 20 (14h)
+
+ If (LEqual(GESF, 20))
+ {
+ And(PARM, 0xF, PAVP) // Store PAVP info
+ Store(Zero, GESF) // Clear the exit parameter
+ Store(Zero, PARM)
+ Return(SUCC) // Success
+ }
+
+ // A call to a reserved "System BIOS callbacks" function was received
+
+ Store(Zero, GESF) // Clear the exit parameter
+ Return(SUCC) // Reserved, "Critical failure"
+}
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