diff options
Diffstat (limited to 'src/ec/lenovo/h8/acpi/battery.asl')
| -rw-r--r-- | src/ec/lenovo/h8/acpi/battery.asl | 296 |
1 files changed, 296 insertions, 0 deletions
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) + } + } +} |