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authorVladimir Serbinenko <phcoder@gmail.com>2014-08-18 23:52:53 +0200
committerVladimir Serbinenko <phcoder@gmail.com>2014-08-19 20:26:39 +0200
commitdc9cfa431e46d6083ebb83fff5be22de7969bb26 (patch)
tree1d84932a18cd3f2ab4b126573cef264ca0c4dfee /src
parent8128a56c0ec7e147d4ad68e6ba55979e9ead25ae (diff)
lenovo/x200: Dock support
Change-Id: I4e25630ae82e8030a9d6bfccb60844c301b1d635 Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-on: http://review.coreboot.org/6705 Tested-by: build bot (Jenkins) Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/lenovo/x200/acpi/dock.asl78
-rw-r--r--src/mainboard/lenovo/x200/dock.c10
-rw-r--r--src/mainboard/lenovo/x200/dsdt.asl3
3 files changed, 86 insertions, 5 deletions
diff --git a/src/mainboard/lenovo/x200/acpi/dock.asl b/src/mainboard/lenovo/x200/acpi/dock.asl
new file mode 100644
index 0000000000..e742c43c44
--- /dev/null
+++ b/src/mainboard/lenovo/x200/acpi/dock.asl
@@ -0,0 +1,78 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (c) 2011 Sven Schnelle <svens@stackframe.org>
+ *
+ * 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
+ */
+
+Scope (\_SB)
+{
+ Device(DOCK)
+ {
+ Name(_HID, "ACPI0003")
+ Name(_UID, 0x00)
+ Name(_PCL, Package() { \_SB } )
+
+ Method(_DCK, 1, NotSerialized)
+ {
+ if (Arg0) {
+ /* connect dock */
+ Store (1, \GP28)
+ Store (1, \_SB.PCI0.LPCB.EC.DKR1)
+ } else {
+ /* disconnect dock */
+ Store (0, \GP28)
+ Store (0, \_SB.PCI0.LPCB.EC.DKR1)
+ }
+ Xor(Arg0, \_SB.PCI0.LPCB.EC.DKR1, Local0)
+ Return (Local0)
+ }
+
+ Method(_STA, 0, NotSerialized)
+ {
+ Return (\_SB.PCI0.LPCB.EC.DKR1)
+ }
+ }
+}
+
+Scope(\_SB.PCI0.LPCB.EC)
+{
+ Method(_Q18, 0, NotSerialized)
+ {
+ Notify(\_SB.DOCK, 3)
+ }
+
+ Method(_Q45, 0, NotSerialized)
+ {
+ Notify(\_SB.DOCK, 3)
+ }
+
+ Method(_Q50, 0, NotSerialized)
+ {
+ Notify(\_SB.DOCK, 3)
+ }
+
+ Method(_Q58, 0, NotSerialized)
+ {
+ Notify(\_SB.DOCK, 0)
+ }
+
+ Method(_Q37, 0, NotSerialized)
+ {
+ Notify(\_SB.DOCK, 0)
+ }
+}
diff --git a/src/mainboard/lenovo/x200/dock.c b/src/mainboard/lenovo/x200/dock.c
index 5b23f87e6e..6f9e953b1d 100644
--- a/src/mainboard/lenovo/x200/dock.c
+++ b/src/mainboard/lenovo/x200/dock.c
@@ -44,16 +44,16 @@ void h8_mainboard_init_dock (void)
void dock_connect(void)
{
+ u16 gpiobase = pci_read_config16(LPC_DEV, D31F0_GPIO_BASE) & 0xfffc;
ec_set_bit(0x02, 0);
- ec_set_bit(0x1a, 0);
- ec_set_bit(0xfe, 4);
+ outl(inl(gpiobase + 0x0c) | (1 << 28), gpiobase + 0x0c);
}
void dock_disconnect(void)
{
+ u16 gpiobase = pci_read_config16(LPC_DEV, D31F0_GPIO_BASE) & 0xfffc;
ec_clr_bit(0x02, 0);
- ec_clr_bit(0x1a, 0);
- ec_clr_bit(0xfe, 4);
+ outl(inl(gpiobase + 0x0c) & ~(1 << 28), gpiobase + 0x0c);
}
int dock_present(void)
@@ -61,5 +61,5 @@ int dock_present(void)
u16 gpiobase = pci_read_config16(LPC_DEV, D31F0_GPIO_BASE) & 0xfffc;
u8 st = inb(gpiobase + 0x0c);
- return !((st >> 3) & 1);
+ return ((st >> 2) & 7) != 7;
}
diff --git a/src/mainboard/lenovo/x200/dsdt.asl b/src/mainboard/lenovo/x200/dsdt.asl
index 8d06e24939..bcfe47d210 100644
--- a/src/mainboard/lenovo/x200/dsdt.asl
+++ b/src/mainboard/lenovo/x200/dsdt.asl
@@ -56,4 +56,7 @@ DefinitionBlock(
/* Chipset specific sleep states */
#include <southbridge/intel/i82801ix/acpi/sleepstates.asl>
+
+ /* Dock support code */
+ #include "acpi/dock.asl"
}