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authorNico Huber <nico.huber@secunet.com>2015-08-27 15:07:03 +0200
committerNico Huber <nico.h@gmx.de>2015-10-12 10:09:00 +0000
commit62047d1e4a3b0e4114cd936af705a3ace95ab313 (patch)
treebcc871a9363ac55823c4d87e2ac12ed513cc64dd /src/drivers/intel/gma/acpi
parentb66d6739c883473f5e0e16db426add29899a2577 (diff)
downloadcoreboot-62047d1e4a3b0e4114cd936af705a3ace95ab313.tar.xz
gma: Consolidate Intel IGD ACPI code some more
Consolidate some common (and mostly broken) code. Will try to fix things in separate commits. Maybe, igd.asl taken from gm45 (the non-PCH case) could also be used for i945 and sch. But this needs further investigation. Change-Id: Id3663bf588458e1e71920b96a3149f96947921e9 Signed-off-by: Nico Huber <nico.huber@secunet.com> Reviewed-on: http://review.coreboot.org/11702 Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com> Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/drivers/intel/gma/acpi')
-rw-r--r--src/drivers/intel/gma/acpi/common.asl112
-rw-r--r--src/drivers/intel/gma/acpi/non-pch.asl77
-rw-r--r--src/drivers/intel/gma/acpi/pch.asl78
3 files changed, 267 insertions, 0 deletions
diff --git a/src/drivers/intel/gma/acpi/common.asl b/src/drivers/intel/gma/acpi/common.asl
new file mode 100644
index 0000000000..88cc2cdd45
--- /dev/null
+++ b/src/drivers/intel/gma/acpi/common.asl
@@ -0,0 +1,112 @@
+/*
+ * 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.
+ */
+
+ External(LCD0, DeviceObj)
+
+ Name (BRCT, 0)
+
+ Method(BRID, 1, NotSerialized)
+ {
+ Store (Match (BRIG, MEQ, Arg0, MTR, Zero, 2), Local0)
+ If (LEqual (Local0, Ones))
+ {
+ Return (Subtract(SizeOf(BRIG), One))
+ }
+ Return (Local0)
+ }
+
+ Method (XBCL, 0, NotSerialized)
+ {
+ Store (1, BRCT)
+ Return (BRIG)
+ }
+
+ /* 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)
+ }
+
+ /* 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 (XBQC ()), Local0)
+ If (LNotEqual (Local0, 2))
+ {
+ Decrement (Local0)
+ }
+ XBCM (DerefOf (Index (BRIG, Local0)))
+ }
+ }
+
+ Method (INCB, 0, NotSerialized)
+ {
+ If (BRCT)
+ {
+ Notify (LCD0, 0x86)
+ } Else {
+ Store (BRID (XBQC ()), Local0)
+ If (LNotEqual (Local0, Subtract(SizeOf(BRIG), One)))
+ {
+ Increment (Local0)
+ }
+ XBCM (DerefOf (Index (BRIG, Local0)))
+ }
+ }
+
+ /* Device Current Status */
+ Method(XDCS, 1)
+ {
+ TRAP(1)
+ If (And(CSTE, ShiftLeft (1, Arg0))) {
+ Return (0x1f)
+ }
+ Return(0x1d)
+ }
+
+ /* Query Device Graphics State */
+ Method(XDGS, 1)
+ {
+ If (And(NSTE, ShiftLeft (1, Arg0))) {
+ Return(1)
+ }
+ Return(0)
+ }
+
+ /* Device Set State */
+ Method(XDSS, 2)
+ {
+ /* If Parameter Arg0 is (1 << 31) | (1 << 30), the
+ * display switch was completed
+ */
+ If (LEqual(And(Arg0, 0xc0000000), 0xc0000000)) {
+ Store (NSTE, CSTE)
+ }
+ }
diff --git a/src/drivers/intel/gma/acpi/non-pch.asl b/src/drivers/intel/gma/acpi/non-pch.asl
new file mode 100644
index 0000000000..4c9e1eda3d
--- /dev/null
+++ b/src/drivers/intel/gma/acpi/non-pch.asl
@@ -0,0 +1,77 @@
+/*
+ * 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 (0x61250),
+ CR1, 32,
+ BCLV, 16,
+ BCLM, 16,
+ }
+
+ Name (BRIG, Package (0x12)
+ {
+ 0x61,
+ 0x61,
+ 0x2,
+ 0x4,
+ 0x5,
+ 0x7,
+ 0x9,
+ 0xb,
+ 0xd,
+ 0x11,
+ 0x14,
+ 0x17,
+ 0x1c,
+ 0x20,
+ 0x27,
+ 0x31,
+ 0x41,
+ 0x61,
+ })
+
+ Method (XBCM, 1, NotSerialized)
+ {
+ Store (ShiftLeft (Arg0, 4), BCLV)
+ Store (0x80000000, CR1)
+ Store (0x0610, BCLM)
+ }
+
+ Method (XBQC, 0, NotSerialized)
+ {
+ Store (BCLV, Local0)
+ ShiftRight (Local0, 4, Local0)
+ Return (Local0)
+ }
+#include "common.asl"
+}
diff --git a/src/drivers/intel/gma/acpi/pch.asl b/src/drivers/intel/gma/acpi/pch.asl
new file mode 100644
index 0000000000..70ab6f6182
--- /dev/null
+++ b/src/drivers/intel/gma/acpi/pch.asl
@@ -0,0 +1,78 @@
+/*
+ * 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
+ }
+
+ Name (BRIG, Package (0x12)
+ {
+ 0x61,
+ 0x61,
+ 0x2,
+ 0x4,
+ 0x5,
+ 0x7,
+ 0x9,
+ 0xb,
+ 0xd,
+ 0x11,
+ 0x14,
+ 0x17,
+ 0x1c,
+ 0x20,
+ 0x27,
+ 0x31,
+ 0x41,
+ 0x61,
+ })
+
+ Method (XBCM, 1, NotSerialized)
+ {
+ Store (ShiftLeft (Arg0, 4), BCLV)
+ Store (0x80000000, CR1)
+ Store (0x061a061a, CR2)
+ }
+
+ Method (XBQC, 0, NotSerialized)
+ {
+ Store (BCLV, Local0)
+ ShiftRight (Local0, 4, Local0)
+ Return (Local0)
+ }
+#include "common.asl"
+}