EC: Add Lenovo H8

Move the EC support code from the X60 mainboard to a generic
driver, as this EC is used in many thinkpads. Also move the
ACPI code to this directory for this reason.

This patch also adds a chip config, so that the initial setting
for basic register can be specified in devicetree.cb

Signed-off-by: Sven Schnelle <svens@stackframe.org>
Acked-by: Peter Stuge <peter@stuge.se>

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6485 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

8 files changed, 701 insertions, 0 deletions

diff --git a/src/ec/lenovo/h8/acpi/ac.asl b/src/ec/lenovo/h8/acpi/ac.asl
new file mode 100644
index 0000000000..cbc84b2365
--- /dev/null
+++ b/src/ec/lenovo/h8/acpi/ac.asl
@@ -0,0 +1,44 @@
+/*
+ * 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
+ */
+
+Field(ERAM, ByteAcc, NoLock, Preserve)
+{
+		Offset (0x46),
+				, 4,
+			    HPAC, 1
+}
+
+Device(AC)
+{
+	Name(_HID, "ACPI0003")
+	Name(_UID, 0x00)
+	Name(_PCL, Package() { \_SB } )
+
+	Method(_PSR, 0, NotSerialized)
+	{
+		return (HPAC)
+	}
+
+	Method(_STA, 0, NotSerialized)
+	{
+		Return (0x0f)
+	}
+}
diff --git a/src/ec/lenovo/h8/acpi/battery.asl b/src/ec/lenovo/h8/acpi/battery.asl
new file mode 100644
index 0000000000..7168581604
--- /dev/null
+++ b/src/ec/lenovo/h8/acpi/battery.asl
@@ -0,0 +1,296 @@
+/*
+ * 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
+ */
+
+Field(ERAM, ByteAcc, NoLock, Preserve)
+{
+	Offset (0x38),
+			B0ST, 4,	/* Battery 0 state */
+			    , 1,
+			B0CH, 1,	/* Battery 0 charging */
+			B0DI, 1,	/* Battery 0 discharging */
+			B0PR, 1,	/* Battery 0 present */
+	Offset (0x39),
+			B1ST, 4,	/* Battery 1 state */
+			    , 1,
+			B1CH, 1,	/* Battery 1 charging, */
+			B1DI, 1,        /* Battery 1 discharging,*/
+			B1PR, 1		/* Battery 1 present */
+}
+
+/* EC Registers */
+/* PAGE == 0x00 */
+Field (ERAM, ByteAcc, NoLock, Preserve)
+{
+	Offset(0xa0),
+			BARC, 16,		/* Battery remaining capacity */
+			BAFC, 16,		/* Battery full charge capacity */
+	Offset(0xa8),
+			BAPR, 16,		/* Battery present rate */
+			BAVO, 16,		/* Battery Voltage */
+}
+
+/* PAGE == 0x01 */
+Field (ERAM, ByteAcc, NoLock, Preserve)
+{
+	Offset(0xa0),
+			    , 15,
+			BAMA,  1,
+}
+
+/* PAGE == 0x02 */
+Field (ERAM, ByteAcc, NoLock, Preserve)
+{
+	Offset(0xa0),
+			BADC, 16,		/* Design Capacity */
+			BADV, 16,		/* Design voltage */
+			    , 16,
+			    , 16,
+			    , 16,
+			BASN, 16,
+}
+
+/* PAGE == 0x04: Battery type */
+Field (ERAM, ByteAcc, NoLock, Preserve)
+{
+	Offset(0xa0),
+			BATY, 32
+}
+
+
+/* PAGE == 0x05: Battery OEM information */
+Field (ERAM, ByteAcc, NoLock, Preserve)
+{
+	Offset(0xa0),
+			BAOE, 128
+}
+
+/* PAGE == 0x06: Battery name */
+Field (ERAM, ByteAcc, NoLock, Preserve)
+{
+	Offset(0xa0),
+			BANA, 128
+}
+
+/* Arg0: Battery
+ * Arg1: Battery Status Package
+ * Arg2: charging
+ * Arg3: discharging
+ */
+Method(BSTA, 4, NotSerialized)
+{
+	Acquire(ECLK, 0xffff)
+	Store(0, Local0)
+	Or(1, Arg0, PAGE)
+	Store(BAMA, Local1)
+	Store(Arg0, PAGE) /* Battery dynamic information */
+
+	Store(BAPR, Local2)
+
+	if (Arg2) // charging
+	{
+		Or(2, Local0, Local0)
+
+		If (LGreaterEqual (Local2, 0x8000)) {
+			Store(0, Local2)
+		}
+	}
+
+	if (Arg3) // discharging
+	{
+		Or(1, Local0, Local0)
+		Subtract(0x10000, Local2, Local2)
+	}
+
+	Store(Local0, Index(Arg1, 0x00))
+
+	if (Local1) {
+		Multiply (BARC, 10, Index(Arg1, 2))
+		Multiply (Local2, BAVO, Local2)
+		Divide (Local2, 1000, Local3, Index(Arg1, 1))
+	} else {
+		Store(BARC, Index(Arg1, 2))
+		Store(Local2, Index(Arg1, 1))
+	}
+	Store(BAVO, Index(Arg1, 3))
+	Release(ECLK)
+	Return (Arg1)
+}
+
+Method(BINF, 2, NotSerialized)
+{
+	Acquire(ECLK, 0xffff)
+	Or(1, Arg1, PAGE) /* Battery 0 static information */
+	Xor(BAMA, 1, Index(Arg0, 0))
+	Store(BAMA, Local0)
+	Store(Arg1, PAGE)
+	Store(BAFC, Local2)
+	Or(2, Arg1, PAGE)
+	Store(BADC, Local1)
+
+	if (Local0)
+	{
+		Multiply (Local1, 10, Local1)
+		Multiply (Local2, 10, Local2)
+	}
+
+	Store(Local1, Index(Arg0, 1))	// Design Capacity
+	Store(Local2, Index(Arg0, 2))	// Last full charge capacity
+	Store(BADV, Index(Arg0, 4))	// Design Voltage
+	Divide (Local2, 20, Local0, Index(Arg0, 5)) // Warning capacity
+
+	Store (BASN, Local0)
+	Name (SERN, Buffer (0x06) { "     " })
+	Store (4, Local1)
+	While (Local0)
+	{
+		Divide (Local0, 0x0A, Local2, Local0)
+		Add (Local2, 48, Index (SERN, Local1))
+		Decrement (Local1)
+	}
+	Store (SERN, Index (Arg0, 10)) // Serial Number
+
+	Or(4, Arg1, PAGE)
+	Name (TYPE, Buffer() { 0, 0, 0, 0, 0 })
+	Store(BATY, TYPE)
+	Store(TYPE, Index (Arg0, 11)) // Battery type
+	Or(5, Arg1, PAGE)
+	Store(BAOE, Index (Arg0, 12)) // OEM information
+	Or(6, Arg1, PAGE)
+	Store(BANA, Index (Arg0, 9))  // Model number
+	Release(ECLK)
+	Return (Arg0)
+}
+
+Device (BAT0)
+{
+	Name (_HID, EisaId ("PNP0C0A"))
+	Name (_UID, 0x00)
+	Name (_PCL, Package () { \_SB })
+
+	Name (BATS, Package ()
+	{
+		0x00,			// 0: PowerUnit: Report in mWh
+		0xFFFFFFFF,		// 1: Design cap
+		0xFFFFFFFF,		// 2: Last full charge cap
+		0x01,			// 3: Battery Technology
+		10800,			// 4: Design Voltage (mV)
+		0x00,			// 5: Warning design capacity
+		200,			// 6: Low design capacity
+		1,			// 7: granularity1
+		1,			// 8: granularity2
+		"",			// 9: Model number
+		"",			// A: Serial number
+		"",			// B: Battery Type
+		""			// C: OEM information
+	})
+
+	Method (_BIF, 0, NotSerialized)
+	{
+		Return (BINF(BATS, 0))
+	}
+
+	Name (BATI, Package ()
+	{
+		0,			// Battery State
+					// Bit 0 - discharge
+					// Bit 1 - charge
+					// Bit 2 - critical state
+		0,			// Battery present Rate
+		0,			// Battery remaining capacity
+		0			// Battery present voltage
+	})
+
+	Method (_BST, 0, NotSerialized)
+	{
+		if (B0PR) {
+			Return (BSTA(0, BATI, B0CH, B0DI))
+		} else {
+			Return (BATS)
+		}
+	}
+
+	Method (_STA, 0, NotSerialized)
+	{
+		if (B0PR) {
+			Return (0x1f)
+		} else {
+			Return (0x0f)
+		}
+	}
+}
+
+Device (BAT1)
+{
+	Name (_HID, EisaId ("PNP0C0A"))
+	Name (_UID, 0x00)
+	Name (_PCL, Package () { \_SB })
+
+	Name (BATS, Package ()
+	{
+		0x00,			// 0: PowerUnit: Report in mWh
+		0xFFFFFFFF,		// 1: Design cap
+		0xFFFFFFFF,		// 2: Last full charge cap
+		0x01,			// 3: Battery Technology
+		10800,			// 4: Design Voltage (mV)
+		0x00,			// 5: Warning design capacity
+		200,			// 6: Low design capacity
+		1,			// 7: granularity1
+		1,			// 8: granularity2
+		"",			// 9: Model number
+		"",			// A: Serial number
+		"",			// B: Battery Type
+		""			// C: OEM information
+	})
+
+	Method (_BIF, 0, NotSerialized)
+	{
+		Return (BINF(BATS, 0x10))
+	}
+
+	Name (BATI, Package ()
+	{
+		0,			// Battery State
+					// Bit 0 - discharge
+					// Bit 1 - charge
+					// Bit 2 - critical state
+		0,			// Battery present Rate
+		0,			// Battery remaining capacity
+		0			// Battery present voltage
+	})
+
+	Method (_BST, 0, NotSerialized)
+	{
+		if (B1PR) {
+			Return (BSTA(0x10, BATI, B1CH, B1DI))
+		} else {
+			Return (BATS)
+		}
+	}
+
+	Method (_STA, 0, NotSerialized)
+	{
+		if (B1PR) {
+			Return (0x1f)
+		} else {
+			Return (0x0f)
+		}
+	}
+}
diff --git a/src/ec/lenovo/h8/acpi/beep.asl b/src/ec/lenovo/h8/acpi/beep.asl
new file mode 100644
index 0000000000..718f41bd37
--- /dev/null
+++ b/src/ec/lenovo/h8/acpi/beep.asl
@@ -0,0 +1,32 @@
+/*
+ * 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
+ */
+
+Field(ERAM, ByteAcc, NoLock, Preserve)
+{
+		Offset (0x06),
+			SNDS, 8		/* Write to this register to generate sound */
+
+}
+
+Method(BEEP, 1, NotSerialized)
+{
+	Store (Arg0, SNDS)
+}
diff --git a/src/ec/lenovo/h8/acpi/ec.asl b/src/ec/lenovo/h8/acpi/ec.asl
new file mode 100644
index 0000000000..98abfc1102
--- /dev/null
+++ b/src/ec/lenovo/h8/acpi/ec.asl
@@ -0,0 +1,122 @@
+/*
+ * 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
+ */
+
+#include "smi.h"
+Device(EC)
+{
+	Name (_HID, EISAID("PNP0C09"))
+	Name (_UID, 0)
+
+	Name (_GPE, 28)
+	Mutex (ECLK, 0)
+
+	OperationRegion(ERAM, EmbeddedControl, 0x00, 0x100)
+	Field (ERAM, ByteAcc, NoLock, Preserve)
+	{
+		Offset (0x05),
+				HSPA, 1,
+		Offset (0x0C),
+				LEDS, 8,	/* LED state */
+		Offset (0x3a),
+				AMUT, 1,	/* Audio Mute */
+		Offset (0x3B),
+				    , 1,
+				KBLT, 1,        /* Keyboard Light */
+		Offset (0x4e),
+		               WAKE, 16,
+		Offset (0x78),
+				TMP0, 8,	/* Thermal Zone 0 temperature */
+				TMP1, 8,	/* Thermal Zone 1 temperature */
+		Offset (0x81),
+				PAGE, 8		/* Information Page Selector */
+        }
+
+	Method (_CRS, 0)
+	{
+		Name (ECMD, ResourceTemplate()
+		{
+			IO (Decode16, 0x62, 0x62, 1, 1)
+			IO (Decode16, 0x66, 0x66, 1, 1)
+		})
+		Return (ECMD)
+	}
+
+	Method (LED, 1, NotSerialized)
+	{
+		Store(Arg0, LEDS)
+	}
+
+	Method (_INI, 0, NotSerialized)
+	{
+	}
+
+	Method (MUTE, 1, NotSerialized)
+	{
+		Store(Arg0, AMUT)
+	}
+
+	/* Sleep Button pressed */
+	Method(_Q13, 0, NotSerialized)
+	{
+		Notify(\_SB.PCI0.LPCB.EC.SLPB, 0x80)
+	}
+
+	/* Brightness up GPE */
+	Method(_Q14, 0, NotSerialized)
+	{
+		\DSPC.BRTU ()
+	}
+
+	/* Brightness down GPE */
+	Method(_Q15, 0, NotSerialized)
+	{
+		\DSPC.BRTD()
+	}
+
+	/* AC status change: present */
+	Method(_Q26, 0, NotSerialized)
+	{
+		Notify (AC, 0x80)
+	}
+
+	/* AC status change: not present */
+	Method(_Q27, 0, NotSerialized)
+	{
+		Notify (AC, 0x80)
+	}
+
+       Method(_Q2A, 0, NotSerialized)
+       {
+               Notify(\_SB.PCI0.LPCB.EC.LID, 0x80)
+       }
+
+       Method(_Q2B, 0, NotSerialized)
+       {
+               Notify(\_SB.PCI0.LPCB.EC.LID, 0x80)
+       }
+
+
+#include "ac.asl"
+#include "battery.asl"
+#include "sleepbutton.asl"
+#include "lid.asl"
+#include "beep.asl"
+}
diff --git a/src/ec/lenovo/h8/acpi/lid.asl b/src/ec/lenovo/h8/acpi/lid.asl
new file mode 100644
index 0000000000..2dfa8d116d
--- /dev/null
+++ b/src/ec/lenovo/h8/acpi/lid.asl
@@ -0,0 +1,54 @@
+/*
+ * 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
+ */
+
+Field(ERAM, ByteAcc, NoLock, Preserve)
+{
+                Offset (0x32),
+			    , 2,
+			WKLD, 1,
+		Offset (0x46),
+			    , 2,
+			LIDS, 1
+}
+
+Device(LID)
+{
+	Name(_HID, "PNP0C0D")
+
+	Method(_LId, 0, NotSerialized)
+	{
+		return (LIDS)
+	}
+
+	Method(_PRW, 0, NotSerialized)
+	{
+		Return (Package() { 0x18, 0x03 })
+	}
+
+	Method(_PSW, 1, NotSerialized)
+	{
+		if (Arg0) {
+			Store(1, WKLD)
+		} else {
+			Store(0, WKLD)
+		}
+	}
+}
diff --git a/src/ec/lenovo/h8/acpi/sleepbutton.asl b/src/ec/lenovo/h8/acpi/sleepbutton.asl
new file mode 100644
index 0000000000..09e88aa74e
--- /dev/null
+++ b/src/ec/lenovo/h8/acpi/sleepbutton.asl
@@ -0,0 +1,49 @@
+/*
+ * 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
+ */
+
+Field(ERAM, ByteAcc, NoLock, Preserve)
+{
+		Offset (0x32),
+			    , 4,
+			WKFN, 1,
+		Offset(0x83),
+			FNKY, 8
+}
+
+Device(SLPB)
+{
+        Name (_HID, EisaId ("PNP0C0E"))
+	Method(_PRW, 0, NotSerialized)
+	{
+		Return (Package() { 0x18, 0x03 })
+	}
+
+	Method(_PSW, 1, NotSerialized)
+	{
+		if (Arg0) {
+			Store(6, FNKY) /* Fn key acts as wake button */
+			Store(1, WKFN)
+		} else {
+			Store(0, FNKY) /* Fn key normal operation */
+			Store(0, WKFN)
+		}
+	}
+}
diff --git a/src/ec/lenovo/h8/acpi/systemstatus.asl b/src/ec/lenovo/h8/acpi/systemstatus.asl
new file mode 100644
index 0000000000..17e8ba799d
--- /dev/null
+++ b/src/ec/lenovo/h8/acpi/systemstatus.asl
@@ -0,0 +1,63 @@
+/*
+ * 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 (\_SI)
+{
+	Method(_SST, 1, NotSerialized)
+	{
+		If (LEqual (Arg0, 0)) {
+			/* Indicator off */
+
+			/* power LED off */
+			\_SB.PCI0.LPCB.EC.LED(0x00)
+			/* suspend LED off */
+			\_SB.PCI0.LPCB.EC.LED(0x07)
+		}
+
+		If (LEqual (Arg0, 1)) {
+			/* working state */
+
+			/* power LED on */
+			\_SB.PCI0.LPCB.EC.LED(0x80)
+			/* suspend LED off */
+			\_SB.PCI0.LPCB.EC.LED(0x07)
+		}
+
+		If (LEqual (Arg0, 2)) {
+			/* waking state */
+
+			/* power LED om */
+			\_SB.PCI0.LPCB.EC.LED(0x80)
+			/* suspend LED blinking */
+			\_SB.PCI0.LPCB.EC.LED(0xc7)
+		}
+
+		If (LEqual (Arg0, 3)) {
+			/* sleep state */
+
+			/* power LED off */
+			\_SB.PCI0.LPCB.EC.LED(0x00)
+			/* suspend LED on */
+			\_SB.PCI0.LPCB.EC.LED(0x87)
+		}
+	}
+}
diff --git a/src/ec/lenovo/h8/acpi/thermal.asl b/src/ec/lenovo/h8/acpi/thermal.asl
new file mode 100644
index 0000000000..35b6f145b5
--- /dev/null
+++ b/src/ec/lenovo/h8/acpi/thermal.asl
@@ -0,0 +1,41 @@
+Scope(\_TZ)
+{
+	Method(C2K, 1, NotSerialized)
+	{
+		Multiply(Arg0, 10, Local0)
+		Add (Local0, 2732, Local0)
+		if (LLessEqual(Local0, 2732)) {
+		        Return (3000)
+		}
+
+		if (LGreater(Local0, 4012)) {
+		        Return (3000)
+		}
+		Return (Local0)
+	}
+
+	ThermalZone(THM0)
+	{
+		Method(_CRT, 0, NotSerialized) {
+			Return (C2K(127))
+		}
+		Method(_TMP) {
+			Return (C2K(\_SB.PCI0.LPCB.EC.TMP0))
+		}
+	}
+
+	ThermalZone(THM1)
+	{
+		Method(_CRT, 0, NotSerialized) {
+			Return (C2K(99))
+		}
+
+		Method(_PSV, 0, NotSerialized) {
+			Return (C2K(94))
+		}
+
+		Method(_TMP) {
+			Return (C2K(\_SB.PCI0.LPCB.EC.TMP1))
+		}
+	}
+}