diff options
Diffstat (limited to 'resources/libreboot/patch/0010-mainboard-lenovo-t400-Add-initial-ATPX-ACPI-implemen.patch')
| -rw-r--r-- | resources/libreboot/patch/0010-mainboard-lenovo-t400-Add-initial-ATPX-ACPI-implemen.patch | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/resources/libreboot/patch/0010-mainboard-lenovo-t400-Add-initial-ATPX-ACPI-implemen.patch b/resources/libreboot/patch/0010-mainboard-lenovo-t400-Add-initial-ATPX-ACPI-implemen.patch deleted file mode 100644 index 2c0d10e..0000000 --- a/resources/libreboot/patch/0010-mainboard-lenovo-t400-Add-initial-ATPX-ACPI-implemen.patch +++ /dev/null @@ -1,138 +0,0 @@ -From 83483e772d5b19b52b82e2518805be2e305e6a27 Mon Sep 17 00:00:00 2001 -From: Timothy Pearson <tpearson@raptorengineeringinc.com> -Date: Sun, 5 Apr 2015 23:22:18 -0500 -Subject: [PATCH 10/22] mainboard/lenovo/t400: Add initial ATPX ACPI - implementation - -Change-Id: I9b86ebec59ccb63db0e1ba61533d162507a22379 -Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> ---- - src/mainboard/lenovo/t400/acpi/graphics.asl | 101 ++++++++++++++++++++++++++++ - src/mainboard/lenovo/t400/dsdt.asl | 3 + - 2 files changed, 104 insertions(+) - create mode 100644 src/mainboard/lenovo/t400/acpi/graphics.asl - -diff --git a/src/mainboard/lenovo/t400/acpi/graphics.asl b/src/mainboard/lenovo/t400/acpi/graphics.asl -new file mode 100644 -index 0000000..e928d77 ---- /dev/null -+++ b/src/mainboard/lenovo/t400/acpi/graphics.asl -@@ -0,0 +1,101 @@ -+/* -+ * This file is part of the coreboot project. -+ * -+ * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering -+ * -+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -+ */ -+ -+/* WARNING -+ * Switchable graphics not yet tested! -+ */ -+ -+/* Hybrid graphics enable/disable GPIO bitfields */ -+Name (HYG1, 0x004A0000) -+Name (HYG2, 0x00020000) -+ -+/* GPIO control port */ -+Name (GPCP, DEFAULT_GPIOBASE) -+ -+/* GPIO control map */ -+OperationRegion (GPCM, SystemIO, GPCP, 0x3F) -+Field (GPCM, ByteAcc, NoLock, Preserve) { -+ GPUS, 32, -+ GPIS, 32, -+ Offset (0x0C), -+ GPLV, 32, -+ Offset (0x30), -+ GQUS, 32, -+ GQIS, 32, -+ GQLV, 32 -+} -+ -+Method(SHYB, 1) { -+ /* Switch hybrid graphics */ -+ if (LEqual(Arg0, One)) -+ { -+ /* Discrete graphics requested */ -+ Or(GPLV, HYG1, GPLV) -+ Or(GQLV, HYG2, GQLV) -+ } -+ else -+ { -+ /* Integrated graphics requested */ -+ Xor(HYG1, 0xFFFFFFFF, Local0) -+ And(GPLV, Local0, GPLV) -+ Xor(HYG2, 0xFFFFFFFF, Local0) -+ And(GQLV, Local0, GQLV) -+ } -+} -+ -+Method (ATPX, 2, NotSerialized) { -+ /* Create local variables */ -+ Name (ATPR, Buffer (0x08) { -+ 0x0, 0x0, 0x0, 0x0, -+ 0x0, 0x0, 0x0, 0x0 -+ }) -+ CreateWordField (ATPR, 0x00, SIZE) -+ CreateWordField (ATPR, 0x02, VERS) -+ CreateDWordField (ATPR, 0x02, MASK) -+ CreateDWordField (ATPR, 0x04, FUNC) -+ CreateDWordField (ATPR, 0x06, FLAG) -+ -+ /* Version request */ -+ if (LEqual(Arg0, 0x0)) -+ { -+ /* Assemble and return version information */ -+ Store (0x08, SIZE) /* Response length */ -+ Store (0x01, VERS) /* Version number */ -+ Store (0x0F, FUNC) /* Supported functions? */ -+ Return (ATPR) -+ } -+ -+ /* Mux select */ -+ if (LEqual(Arg0, 0x2)) -+ { -+ CreateByteField (Arg1, 0x02, PWST) -+ Store (PWST, Local0) -+ And (Local0, 0x01, Local0) -+ If (Local0) -+ { -+ /* Enable discrete graphics */ -+ SHYB(0x01) -+ } -+ else -+ { -+ /* Enable integrated graphics */ -+ SHYB(0x00) -+ } -+ } -+} -diff --git a/src/mainboard/lenovo/t400/dsdt.asl b/src/mainboard/lenovo/t400/dsdt.asl -index 0409e66..d2582ce 100644 ---- a/src/mainboard/lenovo/t400/dsdt.asl -+++ b/src/mainboard/lenovo/t400/dsdt.asl -@@ -54,6 +54,9 @@ DefinitionBlock( - /* Chipset specific sleep states */ - #include <southbridge/intel/i82801ix/acpi/sleepstates.asl> - -+ /* Hybrid graphics support code */ -+ #include "acpi/graphics.asl" -+ - /* Dock support code */ - #include "acpi/dock.asl" - } --- -1.9.1 - |