diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/ec/purism/librem/Kconfig | 4 | ||||
| -rw-r--r-- | src/ec/purism/librem/acpi/ac.asl | 30 | ||||
| -rw-r--r-- | src/ec/purism/librem/acpi/battery.asl | 211 | ||||
| -rw-r--r-- | src/ec/purism/librem/acpi/ec.asl | 233 |
4 files changed, 478 insertions, 0 deletions
diff --git a/src/ec/purism/librem/Kconfig b/src/ec/purism/librem/Kconfig new file mode 100644 index 0000000000..0ea38c6f0c --- /dev/null +++ b/src/ec/purism/librem/Kconfig @@ -0,0 +1,4 @@ +config EC_PURISM_LIBREM + bool + help + Purism Librem EC diff --git a/src/ec/purism/librem/acpi/ac.asl b/src/ec/purism/librem/acpi/ac.asl new file mode 100644 index 0000000000..99d17ee104 --- /dev/null +++ b/src/ec/purism/librem/acpi/ac.asl @@ -0,0 +1,30 @@ +/* + * 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 (AC) +{ + Name (_HID, "ACPI0003") + Name (_PCL, Package () { \_SB }) + + Method (_PSR) + { + Return (ACEX) + } + + Method (_STA) + { + Return (0x0F) + } +} diff --git a/src/ec/purism/librem/acpi/battery.asl b/src/ec/purism/librem/acpi/battery.asl new file mode 100644 index 0000000000..a090b7c2a8 --- /dev/null +++ b/src/ec/purism/librem/acpi/battery.asl @@ -0,0 +1,211 @@ +/* + * 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 (BAT) +{ + Name (_HID, EisaId ("PNP0C0A")) + Name (_UID, 1) + Name (_PCL, Package () { \_SB }) + + Name (PBIF, Package () { + 0x00000001, /* 0x00: Power Unit: mAh */ + 0xFFFFFFFF, /* 0x01: Design Capacity */ + 0xFFFFFFFF, /* 0x02: Last Full Charge Capacity */ + 0x00000001, /* 0x03: Battery Technology: Rechargeable */ + 0xFFFFFFFF, /* 0x04: Design Voltage */ + 0x00000003, /* 0x05: Design Capacity of Warning */ + 0xFFFFFFFF, /* 0x06: Design Capacity of Low */ + 0x00000001, /* 0x07: Capacity Granularity 1 */ + 0x00000001, /* 0x08: Capacity Granularity 2 */ + "S10", /* 0x09: Model Number */ + "", /* 0x0a: Serial Number */ + "LION", /* 0x0b: Battery Type */ + "TPS" /* 0x0c: OEM Information */ + }) + + Name (PBIX, Package () { + 0x00000000, // 0x00: Revision + 0x00000001, // 0x01: Power Unit: mAh + 0xFFFFFFFF, // 0x02: Design Capacity + 0xFFFFFFFF, // 0x03: Last Full Charge Capacity + 0x00000001, // 0x04: Battery Technology: Rechargeable + 0xFFFFFFFF, // 0x05: Design Voltage + 0x00000003, // 0x06: Design Capacity of Warning + 0xFFFFFFFF, // 0x07: Design Capacity of Low + 0x00000000, // 0x08: Cycle Count + 0x00018000, // 0x09: Measurement Accuracy (98.3%?) + 0x000001F4, // 0x0a: Max Sampling Time (500ms) + 0x0000000a, // 0x0b: Min Sampling Time (10ms) + 0xFFFFFFFF, // 0x0c: Max Averaging Interval + 0xFFFFFFFF, // 0x0d: Min Averaging Interval + 0x00000001, // 0x0e: Capacity Granularity 1 + 0x00000001, // 0x0f: Capacity Granularity 2 + "S10", // 0x10: Model Number + "", // 0x11: Serial Number + "LION", // 0x12: Battery Type + "TPS" // 0x13: OEM Information + }) + + Name (PBST, Package () { + 0x00000000, /* 0x00: Battery State */ + 0xFFFFFFFF, /* 0x01: Battery Present Rate */ + 0xFFFFFFFF, /* 0x02: Battery Remaining Capacity */ + 0xFFFFFFFF, /* 0x03: Battery Present Voltage */ + }) + Name (BSTP, Zero) + + /* Battery Capacity warning at 15% */ + Name (DWRN, 15) + + /* Battery Capacity low at 10% */ + Name (DLOW, 10) + + /* Workaround for full battery status, enabled by default */ + Name (BFWK, One) + + /* Method to enable full battery workaround */ + Method (BFWE) + { + Store (One, BFWK) + } + + /* Method to disable full battery workaround */ + Method (BFWD) + { + Store (Zero, BFWK) + } + + Method (_STA, 0, Serialized) + { + If (BTEX) { + Return (0x1F) + } Else { + Return (0x0F) + } + } + + Method (_BIF, 0, Serialized) + { + /* Last Full Charge Capacity */ + Store (BTDF, Index (PBIF, 2)) + + /* Design Voltage */ + Store (BTDV, Index (PBIF, 4)) + + /* Design Capacity */ + Store (BTDA, Local0) + Store (Local0, Index (PBIF, 1)) + + /* Design Capacity of Warning */ + Divide (Multiply (Local0, DWRN), 100, , Local2) + Store (Local2, Index (PBIF, 5)) + + /* Design Capacity of Low */ + Divide (Multiply (Local0, DLOW), 100, , Local2) + Store (Local2, Index (PBIF, 6)) + + Return (PBIF) + } + + Method (_BIX, 0, Serialized) + { + /* Last Full Charge Capacity */ + Store (BTDF, Index (PBIX, 3)) + + /* Design Voltage */ + Store (BTDV, Index (PBIX, 5)) + + /* Design Capacity */ + Store (BTDA, Local0) + Store (Local0, Index (PBIX, 2)) + + /* Design Capacity of Warning */ + Divide (Multiply (Local0, DWRN), 100, , Local2) + Store (Local2, Index (PBIX, 6)) + + /* Design Capacity of Low */ + Divide (Multiply (Local0, DLOW), 100, , Local2) + Store (Local2, Index (PBIX, 7)) + + Return (PBIX) + } + + Method (_BST, 0, Serialized) + { + /* + * 0: BATTERY STATE + * + * bit 0 = discharging + * bit 1 = charging + * bit 2 = critical level + */ + + /* Check if AC is present */ + If (ACEX) { + /* Read battery status from EC */ + Store (BSTS, Local0) + } Else { + /* Always discharging when on battery power */ + Store (0x01, Local0) + } + + /* Check for critical battery level */ + If (BFCR) { + Or (Local0, 0x04, Local0) + } + Store (Local0, Index (PBST, 0)) + + /* Notify if battery state has changed since last time */ + If (LNotEqual (Local0, BSTP)) { + Store (Local0, BSTP) + Notify (BAT, 0x80) + } + + /* + * 1: BATTERY PRESENT RATE + */ + Store (BTPR, Local1) + If (And (Local1, 0x8000)) { + And (Not (Local1), 0x7FFF, Local0) + Increment (Local0) + } Else { + And (Local1, 0x7FFF, Local0) + } + + /* + * 2: BATTERY REMAINING CAPACITY + */ + Store (BTRA, Local0) + If (LAnd (BFWK, LAnd (ACEX, LNot (BSTS)))) { + Store (BTDF, Local1) + + /* See if within ~6% of full */ + ShiftRight (Local1, 4, Local2) + If (LAnd (LGreater (Local0, Subtract (Local1, Local2)), + LLess (Local0, Add (Local1, Local2)))) + { + Store (Local1, Local0) + } + } + Store (Local0, Index (PBST, 2)) + + /* + * 3: BATTERY PRESENT VOLTAGE + */ + Store (BTVO, Index (PBST, 3)) + + Return (PBST) + } +} 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" +} |