AcpiTables/Dsdt/PciIrq.asi

/** @file

Copyright (c) 2013-2015 Intel Corporation.

This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which 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.

**/


// Interrupts can be DEB8=all except 13,8,6,2,1,0

#ifndef PCIIRQ_ASI
#define PCIIRQ_ASI

OperationRegion(PRR0, PCI_Config, 0x60, 0x08)
Field(PRR0, ANYACC, NOLOCK, PRESERVE)
{
    PIRA, 8,
    PIRB, 8,
    PIRC, 8,
    PIRD, 8,
    PIRE, 8,
    PIRF, 8,
    PIRG, 8,
    PIRH, 8
}

Device(LNKA)            // PCI IRQ link A
{
    Name(_HID,EISAID("PNP0C0F"))

    Name(_UID, 1)

    Method(_STA,0,NotSerialized)
    {
        If(And(PIRA, 0x80))
        {
          Return(0x9)
        }
        Else
        {
          Return(0xB)
        }    // Don't display
    }

    Method(_DIS,0,NotSerialized)
    {
        Or(PIRA, 0x80, PIRA)
    }

    Method(_CRS,0,Serialized)
    {
        Name(BUF0,
            ResourceTemplate()
            {IRQ(Level,ActiveLow,Shared){0}})

                                // Define references to buffer elements
        CreateWordField (BUF0, 0x01, IRQW)  // IRQ low
                                // Write current settings into IRQ descriptor
        If (And(PIRA, 0x80))
        {
            Store(Zero, Local0)
        }
        Else
        {
            Store(One,Local0)
        }
                                                    // Shift 1 by value in register 70
        ShiftLeft(Local0,And(PIRA,0x0F),IRQW)       // Save in buffer
        Return(BUF0)                                // Return Buf0
    }                                               // End of _CRS method

    Name(_PRS,
        ResourceTemplate()
        {IRQ(Level,ActiveLow,Shared){12,11,10,9,7,5,4,3}})

    Method(_SRS,1,NotSerialized)
    {
        CreateWordField (ARG0, 0x01, IRQW)  // IRQ low

        FindSetRightBit(IRQW,Local0)          // Set IRQ
        If (LNotEqual(IRQW,Zero))
        {
            And(Local0, 0x7F,Local0)
            Decrement(Local0)
        }
        Else
        {
            Or(Local0, 0x80,Local0)
        }
        store(Local0, PIRA)
    }                                                  // End of _SRS Method
}

Device(LNKB)            // PCI IRQ link B
{
    Name(_HID,EISAID("PNP0C0F"))

    Name(_UID, 2)

    Method(_STA,0,NotSerialized)
    {
        If(And(PIRB, 0x80))
        {
          Return(0x9)
        }
        Else
        {
          Return(0xB)
        }    // Don't display
    }

    Method(_DIS,0,NotSerialized)
    {
        Or(PIRB, 0x80,PIRB)
    }

    Method(_CRS,0,Serialized)
    {
        Name(BUF0,
            ResourceTemplate()
            {IRQ(Level,ActiveLow,Shared){0}})
                                            // Define references to buffer elements
        CreateWordField (BUF0, 0x01, IRQW)  // IRQ low
                                            // Write current settings into IRQ descriptor
        If (And(PIRB, 0x80))
        {
            Store(Zero, Local0)
        }
        Else
        {
                Store(One,Local0)
        }
                                               // Shift 1 by value in register 70
        ShiftLeft(Local0,And(PIRB,0x0F),IRQW)  // Save in buffer
        Return(BUF0)                           // Return Buf0
    }                                          // End of _CRS method

    Name(_PRS,
        ResourceTemplate()
        {IRQ(Level,ActiveLow,Shared){12,11,10,9,7,5,4,3}})

    Method(_SRS,1,NotSerialized)
    {
        CreateWordField (ARG0, 0x01, IRQW)      // IRQ low

        FindSetRightBit(IRQW,Local0)            // Set IRQ
        If (LNotEqual(IRQW,Zero))
        {
            And(Local0, 0x7F,Local0)
            Decrement(Local0)
        }
        Else
        {
            Or(Local0, 0x80,Local0)
        }
        Store(Local0, PIRB)
    }                                           // End of _SRS Method
}

Device(LNKC)                                    // PCI IRQ link C
{
    Name(_HID,EISAID("PNP0C0F"))

    Name(_UID, 3)

    Method(_STA,0,NotSerialized)
    {
        If(And(PIRC, 0x80))
        {
          Return(0x9)
        }
        Else
        {
          Return(0xB)
        }    // Don't display
    }

    Method(_DIS,0,NotSerialized)
    {
        Or(PIRC, 0x80,PIRC)
    }

    Method(_CRS,0,Serialized)
    {
        Name(BUF0,
            ResourceTemplate()
            {IRQ(Level,ActiveLow,Shared){0}})
                                            // Define references to buffer elements
        CreateWordField (BUF0, 0x01, IRQW)  // IRQ low
                                            // Write current settings into IRQ descriptor
        If (And(PIRC, 0x80))
        {
            Store(Zero, Local0)
        }
        Else
        {
            Store(One,Local0)
        }                                      // Shift 1 by value in register 70
        ShiftLeft(Local0,And(PIRC,0x0F),IRQW)  // Save in buffer
        Return(BUF0)                           // Return Buf0
    }                                          // End of _CRS method

    Name(_PRS,
        ResourceTemplate()
        {IRQ(Level,ActiveLow,Shared){12,11,10,9,7,5,4,3}})

    Method(_SRS,1,NotSerialized)
    {
        CreateWordField (ARG0, 0x01, IRQW)  // IRQ low

        FindSetRightBit(IRQW,Local0)        // Set IRQ
        If (LNotEqual(IRQW,Zero))
        {
            And(Local0, 0x7F,Local0)
            Decrement(Local0)
        }
        Else {
            Or(Local0, 0x80,Local0)
        }
        Store(Local0, PIRC)
    }                                               // End of _SRS Method
}

Device(LNKD)                                        // PCI IRQ link D
{
    Name(_HID,EISAID("PNP0C0F"))

    Name(_UID, 4)

    Method(_STA,0,NotSerialized)
    {
        If(And(PIRD, 0x80))
        {
          Return(0x9)
        }
        Else
        {
          Return(0xB)
        }    // Don't display
    }

    Method(_DIS,0,NotSerialized)
    {
        Or(PIRD, 0x80,PIRD)
    }

    Method(_CRS,0,Serialized)
    {
        Name(BUF0,
            ResourceTemplate()
            {IRQ(Level,ActiveLow,Shared){0}})
        // Define references to buffer elements
        CreateWordField (BUF0, 0x01, IRQW)  // IRQ low
        // Write current settings into IRQ descriptor
        If (And(PIRD, 0x80))
        {
            Store(Zero, Local0)
        }
        Else
        {
            Store(One,Local0)
        }  // Shift 1 by value in register 70
        ShiftLeft(Local0,And(PIRD,0x0F),IRQW)  // Save in buffer
        Return(BUF0)        // Return Buf0
    }                  // End of _CRS method

    Name(_PRS,
        ResourceTemplate()
        {IRQ(Level,ActiveLow,Shared){12,11,10,9,7,5,4,3}})

    Method(_SRS,1,NotSerialized)
    {
        CreateWordField (ARG0, 0x01, IRQW)  // IRQ low

        FindSetRightBit(IRQW,Local0)// Set IRQ
        If (LNotEqual(IRQW,Zero))
        {
            And(Local0, 0x7F,Local0)
            Decrement(Local0)
        }
        Else
        {
            Or(Local0, 0x80,Local0)
        }
        Store(Local0, PIRD)
    }                  // End of _SRS Method
}

Device(LNKE)           // PCI IRQ link E
{
    Name(_HID,EISAID("PNP0C0F"))

    Name(_UID, 5)

    Method(_STA,0,NotSerialized)
    {
        If(And(PIRE, 0x80))
        {
          Return(0x9)
        }
        Else
        {
          Return(0xB)
        }    // Don't display
    }

    Method(_DIS,0,NotSerialized)
    {
        Or(PIRE, 0x80, PIRE)
    }

    Method(_CRS,0,Serialized)
    {
        Name(BUF0,
            ResourceTemplate()
            {IRQ(Level,ActiveLow,Shared){0}})

                                // Define references to buffer elements
        CreateWordField (BUF0, 0x01, IRQW)  // IRQ low
                                // Write current settings into IRQ descriptor
        If (And(PIRE, 0x80))
        {
            Store(Zero, Local0)
        }
        Else
        {
            Store(One,Local0)
        }
                                                    // Shift 1 by value in register 70
        ShiftLeft(Local0,And(PIRE,0x0F),IRQW)       // Save in buffer
        Return(BUF0)                                // Return Buf0
    }                                               // End of _CRS method

    Name(_PRS,
        ResourceTemplate()
        {IRQ(Level,ActiveLow,Shared){12,11,10,9,7,5,4,3}})

    Method(_SRS,1,NotSerialized)
    {
        CreateWordField (ARG0, 0x01, IRQW)  // IRQ low

        FindSetRightBit(IRQW,Local0)          // Set IRQ
        If (LNotEqual(IRQW,Zero))
        {
            And(Local0, 0x7F,Local0)
            Decrement(Local0)
        }
        Else
        {
            Or(Local0, 0x80,Local0)
        }
        store(Local0, PIRE)
    }                                                  // End of _SRS Method
}

Device(LNKF)            // PCI IRQ link F
{
    Name(_HID,EISAID("PNP0C0F"))

    Name(_UID, 6)

    Method(_STA,0,NotSerialized)
    {
        If(And(PIRF, 0x80))
        {
          Return(0x9)
        }
        Else
        {
          Return(0xB)
        }    // Don't display
    }

    Method(_DIS,0,NotSerialized)
    {
        Or(PIRB, 0x80,PIRF)
    }

    Method(_CRS,0,Serialized)
    {
        Name(BUF0,
            ResourceTemplate()
            {IRQ(Level,ActiveLow,Shared){0}})
                                            // Define references to buffer elements
        CreateWordField (BUF0, 0x01, IRQW)  // IRQ low
                                            // Write current settings into IRQ descriptor
        If (And(PIRF, 0x80))
        {
            Store(Zero, Local0)
        }
        Else
        {
                Store(One,Local0)
        }
                                               // Shift 1 by value in register 70
        ShiftLeft(Local0,And(PIRF,0x0F),IRQW)  // Save in buffer
        Return(BUF0)                           // Return Buf0
    }                                          // End of _CRS method

    Name(_PRS,
        ResourceTemplate()
        {IRQ(Level,ActiveLow,Shared){12,11,10,9,7,5,4,3}})

    Method(_SRS,1,NotSerialized)
    {
        CreateWordField (ARG0, 0x01, IRQW)      // IRQ low

        FindSetRightBit(IRQW,Local0)            // Set IRQ
        If (LNotEqual(IRQW,Zero))
        {
            And(Local0, 0x7F,Local0)
            Decrement(Local0)
        }
        Else
        {
            Or(Local0, 0x80,Local0)
        }
        Store(Local0, PIRF)
    }                                                   // End of _SRS Method
}

Device(LNKG)                                            // PCI IRQ link G
{
    Name(_HID,EISAID("PNP0C0F"))

    Name(_UID, 7)

    Method(_STA,0,NotSerialized)
    {
        If(And(PIRG, 0x80))
        {
          Return(0x9)
        }
        Else
        {
          Return(0xB)
        }    // Don't display
    }

    Method(_DIS,0,NotSerialized)
    {
        Or(PIRG, 0x80,PIRG)
    }

    Method(_CRS,0,Serialized)
    {
        Name(BUF0,
            ResourceTemplate()
            {IRQ(Level,ActiveLow,Shared){0}})
                                            // Define references to buffer elements
        CreateWordField (BUF0, 0x01, IRQW)  // IRQ low
                                            // Write current settings into IRQ descriptor
        If (And(PIRG, 0x80))
        {
            Store(Zero, Local0)
        }
        Else
        {
            Store(One,Local0)
        }                                      // Shift 1 by value in register 70
        ShiftLeft(Local0,And(PIRG,0x0F),IRQW)  // Save in buffer
        Return(BUF0)                           // Return Buf0
    }                                          // End of _CRS method

    Name(_PRS,
        ResourceTemplate()
        {IRQ(Level,ActiveLow,Shared){12,11,10,9,7,5,4,3}})

    Method(_SRS,1,NotSerialized)
    {
        CreateWordField (ARG0, 0x01, IRQW)  // IRQ low

        FindSetRightBit(IRQW,Local0)          // Set IRQ
        If (LNotEqual(IRQW,Zero))
        {
            And(Local0, 0x7F,Local0)
            Decrement(Local0)
        }
        Else {
            Or(Local0, 0x80,Local0)
        }
        Store(Local0, PIRG)
    }                                               // End of _SRS Method
}

Device(LNKH)                                        // PCI IRQ link H
{
    Name(_HID,EISAID("PNP0C0F"))

    Name(_UID, 8)

    Method(_STA,0,NotSerialized)
    {
        If(And(PIRH, 0x80))
        {
          Return(0x9)
        }
        Else
        {
          Return(0xB)
        }    // Don't display
    }

    Method(_DIS,0,NotSerialized)
    {
        Or(PIRH, 0x80,PIRH)
    }

    Method(_CRS,0,Serialized)
    {
        Name(BUF0,
            ResourceTemplate()
            {IRQ(Level,ActiveLow,Shared){0}})
        // Define references to buffer elements
        CreateWordField (BUF0, 0x01, IRQW)  // IRQ low
        // Write current settings into IRQ descriptor
        If (And(PIRH, 0x80))
        {
            Store(Zero, Local0)
        }
        Else
        {
            Store(One,Local0)
        }  // Shift 1 by value in register 70
        ShiftLeft(Local0,And(PIRH,0x0F),IRQW)  // Save in buffer
        Return(BUF0)   // Return Buf0
    }                  // End of _CRS method

    Name(_PRS,
        ResourceTemplate()
        {IRQ(Level,ActiveLow,Shared){12,11,10,9,7,5,4,3}})

    Method(_SRS,1,NotSerialized)
    {
        CreateWordField (ARG0, 0x01, IRQW)  // IRQ low

        FindSetRightBit(IRQW,Local0)// Set IRQ
        If (LNotEqual(IRQW,Zero))
        {
            And(Local0, 0x7F,Local0)
            Decrement(Local0)
        }
        Else
        {
            Or(Local0, 0x80,Local0)
        }
        Store(Local0, PIRH)
    }                  // End of _SRS Method
}

#endif