diff options
Diffstat (limited to 'src/ec/purism/librem/acpi/ec.asl')
| -rw-r--r-- | src/ec/purism/librem/acpi/ec.asl | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/src/ec/purism/librem/acpi/ec.asl b/src/ec/purism/librem/acpi/ec.asl new file mode 100644 index 0000000000..c87a4f7156 --- /dev/null +++ b/src/ec/purism/librem/acpi/ec.asl @@ -0,0 +1,233 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Google Inc. + * + * 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. + */ + +Device (TPSD) +{ + /* + * TPSACPI01 is not a valid _HID but it is what the linux topstar + * laptop driver expects, use this indirection to let it compile. + */ + Name (BHID, "TPSACPI01") + Method (_HID) + { + Return (BHID) + } + Name (_UID, 0) + + Method (FNCX, 1, NotSerialized) + { + If (LEqual (Arg0, 0x86)) { + /* Enable topstar-laptop kernel driver handling */ + Store (One, ^^EC.TPSE) + } ElseIf (LEqual (Arg0, 0x87)) { + /* Disable topstar-laptop kernel driver handling */ + Store (Zero, ^^EC.TPSE) + } + } +} + +Device (EC) +{ + Name (_HID, EisaId ("PNP0C09")) + Name (_UID, 0) + Name (_GPE, EC_SCI_GPI) + + Name (_CRS, ResourceTemplate () { + IO (Decode16, 0x62, 0x62, 0, 1) + IO (Decode16, 0x66, 0x66, 0, 1) + }) + + OperationRegion (ERAM, EmbeddedControl, Zero, 0xFF) + Field (ERAM, ByteAcc, Lock, Preserve) + { + Offset (0x15), + BSTS, 2, /* Battery Status */ + , 3, + BTEX, 1, /* Battery Present */ + Offset (0x1D), + TPAD, 1, /* Touchpad Enable/Disable */ + WIFI, 1, /* WiFi Enable/Disable */ + , 2, + BTLE, 1, /* Bluetooth Enable/Disable */ + Offset (0x25), + , 5, + TPSE, 1, /* topstar-laptop driver enable/disable */ + Offset (0x31), + , 6, + LIDS, 1, /* LID Switch */ + ACEX, 1, /* AC present */ + Offset (0x8E), + BTDA, 16, /* Battery Design Capacity */ + Offset (0x92), + BTVO, 16, /* Battery Present Voltage */ + Offset (0x98), + BTRA, 16, /* Battery Remaining Capacity */ + BTDF, 16, /* Battery Last Full Charge Capacity */ + Offset (0x9E), + , 4, + BFCR, 1, /* Battery Level Critical */ + Offset (0xA0), + BTDV, 16, /* Battery Design Voltage */ + Offset (0xA4), + BTPR, 16, /* Battery Present Rate */ + Offset (0xE6), + TURB, 1, /* EC Requested Turbo Enable/Disable */ + EDTB, 1, /* Confirm Turbo Enable/Disable */ + } + + Method (_REG, 2, NotSerialized) + { + /* Initialize AC power state */ + Store (ACEX, \PWRS) + + /* Initialize LID switch state */ + Store (LIDS, \LIDS) + } + + /* Notify topstar-laptop kernel driver */ + Method (TPSN, 1) + { + If (TPSE) { + Notify (^^TPSD, Arg0) + } + } + + /* KEY_WWW */ + Method (_Q10) + { + TPSN (0x8A) + } + + /* KEY_MAIL */ + Method (_Q11) + { + TPSN (0x8B) + } + + /* KEY_MEDIA */ + Method (_Q12) + { + TPSN (0x8C) + } + + /* AC Status Changed */ + Method (_Q20) + { + Store (ACEX, \PWRS) + Notify (AC, 0x80) + Notify (BAT, 0x80) + PNOT () + } + + /* Lid Event */ + Method (_Q21) + { + Store (LIDS, \LIDS) + Notify (LID0, 0x80) + } + + /* Battery Event */ + Method (_Q22) + { + Notify (BAT, 0x80) + } + + /* KEY_SWITCHVIDEOMODE */ + Method (_Q25) + { + TPSN (0x86) + } + + /* KEY_BRIGHTNESSUP */ + Method (_Q28) + { + TPSN (0x80) + } + + /* KEY_BRIGHTNESSDOWN */ + Method (_Q29) + { + TPSN (0x81) + } + + /* KEY_MUTE */ + Method (_Q2A) + { + TPSN (0x85) + } + + /* KEY_VOLUMEUP */ + Method (_Q2B) + { + TPSN (0x83) + } + + /* KEY_VOLUMEDOWN */ + Method (_Q2C) + { + TPSN (0x84) + } + + /* KEY_SLEEP */ + Method (_Q2F) + { + Notify (\_SB.SLPB, 0x80) + } + + /* KEY_F13 (Touchpad Enable/Disable) + Method (_Q34) + { + TPSN (0x87) + XOr (^TPAD, One, ^TPAD) + } + + /* KEY_WLAN */ + Method (_Q35) + { + TPSN (0x88) + XOr (^WIFI, One, ^WIFI) + } + + /* KEY_BLUETOOTH */ + Method (_Q37) + { + XOr (^BTLE, One, ^BTLE) + } + + /* Turbo Enable/Disable */ + Method (_Q50) + { + /* + * Limiting frequency via PPC doesn't do anything if the + * kernel is using intel_pstate instead of ACPI _PPC. + * + * If the state is not updated in EDTB the EC will + * repeatedly send this event several times a second + * when the system is charging. + */ + If (TURB) { + Store (Zero, PPCM) + PPCN () + Store (One, EDTB) + } Else { + Store (One, PPCM) + PPCN () + Store (Zero, EDTB) + } + } + + #include "ac.asl" + #include "battery.asl" +} |