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/* SPDX-License-Identifier: GPL-2.0-only */
Device (\_SB.PCI0.PEG0)
{
Name (_ADR, 0x00010000)
Device (PEGP)
{
Name (_ADR, 0)
// Convert a byte to a hex string, trimming extra parts
Method (BHEX, 1)
{
Local0 = ToHexString(Arg0)
Return (Mid(Local0, SizeOf(Local0) - 2, 2))
}
// UUID to string
Method (IDST, 1)
{
Local0 = ""
Fprintf(
Local0,
"%o%o%o%o-%o%o-%o%o-%o%o-%o%o%o%o%o%o",
BHEX(DerefOf(Arg0[3])),
BHEX(DerefOf(Arg0[2])),
BHEX(DerefOf(Arg0[1])),
BHEX(DerefOf(Arg0[0])),
BHEX(DerefOf(Arg0[5])),
BHEX(DerefOf(Arg0[4])),
BHEX(DerefOf(Arg0[7])),
BHEX(DerefOf(Arg0[6])),
BHEX(DerefOf(Arg0[8])),
BHEX(DerefOf(Arg0[9])),
BHEX(DerefOf(Arg0[10])),
BHEX(DerefOf(Arg0[11])),
BHEX(DerefOf(Arg0[12])),
BHEX(DerefOf(Arg0[13])),
BHEX(DerefOf(Arg0[14])),
BHEX(DerefOf(Arg0[15]))
)
Return (Local0)
}
// Safe hex conversion, checks type first
Method (SFST, 1)
{
Local0 = ObjectType(Arg0)
If (Local0 == 1 || Local0 == 2 || Local0 == 3) {
Return (ToHexString(Arg0))
} Else {
Return (Concatenate("Type: ", Arg0))
}
}
Method (_DSM, 4, Serialized)
{
Printf("NVIDIA _DSM")
Printf(" Arg0: %o", IDST(Arg0))
Printf(" Arg1: %o", SFST(Arg1))
Printf(" Arg2: %o", SFST(Arg2))
Printf(" Arg3: %o", SFST(Arg3))
If (Arg0 == ToUUID ("d4a50b75-65c7-46f7-bfb7-41514cea0244")) {
If (Arg1 != 0x0102) {
Printf(" Invalid Arg1, return 0x80000002")
Return (0x80000002)
}
If (Arg2 == 0) {
Printf(" Arg2 == 0x00, return supported functions")
Return (Buffer (4) { 0x01, 0x00, 0x10, 0x00 })
}
If (Arg2 == 0x14) {
Printf(" Arg2 == 0x14, return backlight package")
Return (Package (9) {
0x8000A450,
0x0200,
0,
0,
1,
1,
200,
32,
1000
})
}
Printf(" Unknown Arg2, return 0x80000002")
Return (0x80000002)
}
Printf(" Unknown Arg0, return 0x80000001")
Return (0x80000001)
}
// _DOD: Display Output Devices
Method (_DOD, 0, NotSerialized)
{
Return (Package (3) {
0x80008320,
0x80006330,
0x8000A450
})
}
Device (HDM0)
{
Name (_ADR, 0x80008320)
}
Device (DSP0)
{
Name (_ADR, 0x80006330)
}
Device (DSP1)
{
Name (_ADR, 0x8000A450)
}
}
}
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