blob: 6c9959d7a1a7b18198ae7d92fe2023c0a3de3a0a [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2009 coresystems GmbH
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of
* the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc.
*/
Device (GFX0)
{
Name (_ADR, 0x00020000)
OperationRegion (GFXC, PCI_Config, 0x00, 0x0100)
Field (GFXC, DWordAcc, NoLock, Preserve)
{
Offset (0x10),
BAR0, 64
}
OperationRegion (GFRG, SystemMemory, And (BAR0, 0xfffffffffffffff0), 0x400000)
Field (GFRG, DWordAcc, NoLock, Preserve)
{
Offset (0x48254),
BCLV, 16,
Offset (0xc8250),
CR1, 32,
CR2, 32
}
/* Display Output Switching */
Method (_DOS, 1)
{
/* Windows 2000 and Windows XP call _DOS to enable/disable
* Display Output Switching during init and while a switch
* is already active
*/
Store (And(Arg0, 7), DSEN)
}
/* We try to support as many i945 systems as possible,
* so keep the number of DIDs flexible.
*/
Method (_DOD, 0)
{
If (LEqual(NDID, 1)) {
Name(DOD1, Package() {
0xffffffff
})
Store (Or(0x00010000, DID1), Index(DOD1, 0))
Return(DOD1)
}
If (LEqual(NDID, 2)) {
Name(DOD2, Package() {
0xffffffff,
0xffffffff
})
Store (Or(0x00010000, DID2), Index(DOD2, 0))
Store (Or(0x00010000, DID2), Index(DOD2, 1))
Return(DOD2)
}
If (LEqual(NDID, 3)) {
Name(DOD3, Package() {
0xffffffff,
0xffffffff,
0xffffffff
})
Store (Or(0x00010000, DID3), Index(DOD3, 0))
Store (Or(0x00010000, DID3), Index(DOD3, 1))
Store (Or(0x00010000, DID3), Index(DOD3, 2))
Return(DOD3)
}
If (LEqual(NDID, 4)) {
Name(DOD4, Package() {
0xffffffff,
0xffffffff,
0xffffffff,
0xffffffff
})
Store (Or(0x00010000, DID4), Index(DOD4, 0))
Store (Or(0x00010000, DID4), Index(DOD4, 1))
Store (Or(0x00010000, DID4), Index(DOD4, 2))
Store (Or(0x00010000, DID4), Index(DOD4, 3))
Return(DOD4)
}
If (LGreater(NDID, 4)) {
Name(DOD5, Package() {
0xffffffff,
0xffffffff,
0xffffffff,
0xffffffff,
0xffffffff
})
Store (Or(0x00010000, DID5), Index(DOD5, 0))
Store (Or(0x00010000, DID5), Index(DOD5, 1))
Store (Or(0x00010000, DID5), Index(DOD5, 2))
Store (Or(0x00010000, DID5), Index(DOD5, 3))
Store (Or(0x00010000, DID5), Index(DOD5, 4))
Return(DOD5)
}
/* Some error happened, but we have to return something */
Return (Package() {0x00000400})
}
Device(DD01)
{
/* Device Unique ID */
Method(_ADR, 0, Serialized)
{
If(LEqual(DID1, 0)) {
Return (1)
} Else {
Return (And(0xffff, DID1))
}
}
/* Device Current Status */
Method(_DCS, 0)
{
TRAP(1)
If (And(CSTE, 1)) {
Return (0x1f)
}
Return(0x1d)
}
/* Query Device Graphics State */
Method(_DGS, 0)
{
If (And(NSTE, 1)) {
Return(1)
}
Return(0)
}
/* Device Set State */
Method(_DSS, 1)
{
/* If Parameter Arg0 is (1 << 31) | (1 << 30), the
* display switch was completed
*/
If (LEqual(And(Arg0, 0xc0000000), 0xc0000000)) {
Store (NSTE, CSTE)
}
}
}
Device(DD02)
{
/* Device Unique ID */
Method(_ADR, 0, Serialized)
{
If(LEqual(DID2, 0)) {
Return (2)
} Else {
Return (And(0xffff, DID2))
}
}
/* Device Current Status */
Method(_DCS, 0)
{
TRAP(1)
If (And(CSTE, 2)) {
Return (0x1f)
}
Return(0x1d)
}
/* Query Device Graphics State */
Method(_DGS, 0)
{
If (And(NSTE, 2)) {
Return(1)
}
Return(0)
}
/* Device Set State */
Method(_DSS, 1)
{
/* If Parameter Arg0 is (1 << 31) | (1 << 30), the
* display switch was completed
*/
If (LEqual(And(Arg0, 0xc0000000), 0xc0000000)) {
Store (NSTE, CSTE)
}
}
}
Device(DD03)
{
/* Device Unique ID */
Method(_ADR, 0, Serialized)
{
If(LEqual(DID3, 0)) {
Return (3)
} Else {
Return (And(0xffff, DID3))
}
}
/* Device Current Status */
Method(_DCS, 0)
{
TRAP(1)
If (And(CSTE, 4)) {
Return (0x1f)
}
Return(0x1d)
}
/* Query Device Graphics State */
Method(_DGS, 0)
{
If (And(NSTE, 4)) {
Return(1)
}
Return(0)
}
/* Device Set State */
Method(_DSS, 1)
{
/* If Parameter Arg0 is (1 << 31) | (1 << 30), the
* display switch was completed
*/
If (LEqual(And(Arg0, 0xc0000000), 0xc0000000)) {
Store (NSTE, CSTE)
}
}
}
Device(DD04)
{
/* Device Unique ID */
Method(_ADR, 0, Serialized)
{
If(LEqual(DID4, 0)) {
Return (4)
} Else {
Return (And(0xffff, DID4))
}
}
/* Device Current Status */
Method(_DCS, 0)
{
TRAP(1)
If (And(CSTE, 8)) {
Return (0x1f)
}
Return(0x1d)
}
/* Query Device Graphics State */
Method(_DGS, 0)
{
If (And(NSTE, 4)) {
Return(1)
}
Return(0)
}
/* Device Set State */
Method(_DSS, 1)
{
/* If Parameter Arg0 is (1 << 31) | (1 << 30), the
* display switch was completed
*/
If (LEqual(And(Arg0, 0xc0000000), 0xc0000000)) {
Store (NSTE, CSTE)
}
}
}
Device(DD05)
{
/* Device Unique ID */
Method(_ADR, 0, Serialized)
{
If(LEqual(DID5, 0)) {
Return (5)
} Else {
Return (And(0xffff, DID5))
}
}
/* Device Current Status */
Method(_DCS, 0)
{
TRAP(1)
If (And(CSTE, 16)) {
Return (0x1f)
}
Return(0x1d)
}
/* Query Device Graphics State */
Method(_DGS, 0)
{
If (And(NSTE, 4)) {
Return(1)
}
Return(0)
}
/* Device Set State */
Method(_DSS, 1)
{
/* If Parameter Arg0 is (1 << 31) | (1 << 30), the
* display switch was completed
*/
If (LEqual(And(Arg0, 0xc0000000), 0xc0000000)) {
Store (NSTE, CSTE)
}
}
}
#ifdef HAVE_LCD_SCREEN
Device (LCD0)
{
Name (_ADR, 0x0400)
Name (BRCT, 0)
Name (BRIG, Package (0x12)
{
0x61,
0x61,
0x2,
0x4,
0x5,
0x7,
0x9,
0xb,
0xd,
0x11,
0x14,
0x17,
0x1c,
0x20,
0x27,
0x31,
0x41,
0x61,
})
Method (_BCL, 0, NotSerialized)
{
Store (1, BRCT)
Return (BRIG)
}
Method (_BCM, 1, NotSerialized)
{
Store (ShiftLeft (Arg0, 4), ^^BCLV)
Store (0x80000000, ^^CR1)
Store (0x061a061a, ^^CR2)
}
Method (_BQC, 0, NotSerialized)
{
Store (^^BCLV, Local0)
ShiftRight (Local0, 4, Local0)
Return (Local0)
}
Method(BRID, 1, NotSerialized)
{
Store (Match (BRIG, MEQ, Arg0, MTR, Zero, 2), Local0)
If (LEqual (Local0, Ones))
{
Return (0x11)
}
Return (Local0)
}
/* Using Notify is the right way. But Windows doesn't handle
it well. So use both method in a way to avoid double action.
*/
Method (DECB, 0, NotSerialized)
{
If (BRCT)
{
Notify (LCD0, 0x87)
} Else {
Store (BRID (_BQC ()), Local0)
If (LNotEqual (Local0, 2))
{
Decrement (Local0)
}
_BCM (DerefOf (Index (BRIG, Local0)))
}
}
Method (INCB, 0, NotSerialized)
{
If (BRCT)
{
Notify (LCD0, 0x86)
} Else {
Store (BRID (_BQC ()), Local0)
If (LNotEqual (Local0, 0x11))
{
Increment (Local0)
}
_BCM (DerefOf (Index (BRIG, Local0)))
}
}
}
#endif
}