diff options
Diffstat (limited to 'src/ec')
| -rw-r--r-- | src/ec/Kconfig | 1 | ||||
| -rw-r--r-- | src/ec/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/ec/quanta/Kconfig | 1 | ||||
| -rw-r--r-- | src/ec/quanta/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/ec/quanta/ene_kb3940q/Kconfig | 4 | ||||
| -rw-r--r-- | src/ec/quanta/ene_kb3940q/Makefile.inc | 4 | ||||
| -rw-r--r-- | src/ec/quanta/ene_kb3940q/acpi/ac.asl | 39 | ||||
| -rw-r--r-- | src/ec/quanta/ene_kb3940q/acpi/battery.asl | 159 | ||||
| -rw-r--r-- | src/ec/quanta/ene_kb3940q/acpi/ec.asl | 280 | ||||
| -rw-r--r-- | src/ec/quanta/ene_kb3940q/acpi/superio.asl | 57 | ||||
| -rw-r--r-- | src/ec/quanta/ene_kb3940q/chip.h | 35 | ||||
| -rw-r--r-- | src/ec/quanta/ene_kb3940q/ec.c | 188 | ||||
| -rw-r--r-- | src/ec/quanta/ene_kb3940q/ec.h | 213 |
13 files changed, 983 insertions, 1 deletions
diff --git a/src/ec/Kconfig b/src/ec/Kconfig index 0233bd9726..7095310a9c 100644 --- a/src/ec/Kconfig +++ b/src/ec/Kconfig @@ -2,3 +2,4 @@ source src/ec/acpi/Kconfig source src/ec/compal/Kconfig source src/ec/lenovo/Kconfig source src/ec/smsc/Kconfig +source src/ec/quanta/Kconfig diff --git a/src/ec/Makefile.inc b/src/ec/Makefile.inc index 0ddba7984a..9bade5f285 100644 --- a/src/ec/Makefile.inc +++ b/src/ec/Makefile.inc @@ -1,2 +1,2 @@ subdirs-$(CONFIG_EC_ACPI) += acpi -subdirs-y += compal lenovo smsc +subdirs-y += compal lenovo smsc quanta diff --git a/src/ec/quanta/Kconfig b/src/ec/quanta/Kconfig new file mode 100644 index 0000000000..f29ec00b83 --- /dev/null +++ b/src/ec/quanta/Kconfig @@ -0,0 +1 @@ +source src/ec/quanta/ene_kb3940q/Kconfig diff --git a/src/ec/quanta/Makefile.inc b/src/ec/quanta/Makefile.inc new file mode 100644 index 0000000000..1c39f22429 --- /dev/null +++ b/src/ec/quanta/Makefile.inc @@ -0,0 +1 @@ +subdirs-$(CONFIG_EC_QUANTA_ENE_KB3940Q) += ene_kb3940q diff --git a/src/ec/quanta/ene_kb3940q/Kconfig b/src/ec/quanta/ene_kb3940q/Kconfig new file mode 100644 index 0000000000..4258948d7a --- /dev/null +++ b/src/ec/quanta/ene_kb3940q/Kconfig @@ -0,0 +1,4 @@ +config EC_QUANTA_ENE_KB3940Q + bool + help + Interface to QUANTA ENE KB3940Q Embedded Controller. diff --git a/src/ec/quanta/ene_kb3940q/Makefile.inc b/src/ec/quanta/ene_kb3940q/Makefile.inc new file mode 100644 index 0000000000..1ce9a46f88 --- /dev/null +++ b/src/ec/quanta/ene_kb3940q/Makefile.inc @@ -0,0 +1,4 @@ +ramstage-y += ec.c +smm-y += ec.c + +smm-y += ../../../lib/delay.c diff --git a/src/ec/quanta/ene_kb3940q/acpi/ac.asl b/src/ec/quanta/ene_kb3940q/acpi/ac.asl new file mode 100644 index 0000000000..8c85fc335c --- /dev/null +++ b/src/ec/quanta/ene_kb3940q/acpi/ac.asl @@ -0,0 +1,39 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011-2012 The Chromium OS Authors. All rights reserved. + * + * 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 (EC0) + +Device (AC) +{ + Name (_HID, "ACPI0003") + Name (_PCL, Package () { \_SB }) + + Method (_PSR) + { + Store(ADPT, Local0) + Return(Local0) + } + + Method (_STA) + { + Return (0x0F) + } +} diff --git a/src/ec/quanta/ene_kb3940q/acpi/battery.asl b/src/ec/quanta/ene_kb3940q/acpi/battery.asl new file mode 100644 index 0000000000..8fbd9bba1b --- /dev/null +++ b/src/ec/quanta/ene_kb3940q/acpi/battery.asl @@ -0,0 +1,159 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011-2012 The Chromium OS Authors. All rights reserved. + * + * 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 + */ + +/* + * The mainboard must define strings in the root scope to + * report device-specific battery information to the OS. + * + * BATV: Vendor + */ + +// Scope (EC0) + +Device (BATX) +{ + Name (_HID, EISAID ("PNP0C0A")) + Name (_UID, 1) + Name (_PCL, Package () { \_SB }) + + Name (PBIF, Package () { + 0x00000001, // 0 Power Unit: mAh + 0xFFFFFFFF, // 1 Design Capacity + 0xFFFFFFFF, // 2 Last Full Charge Capacity + 0x00000001, // 3 Battery Technology: Rechargeable + 0xFFFFFFFF, // 4 Design Voltage + 0x000000FA, // 5 Design Capacity of Warning + 0x00000096, // 6 Design Capacity of Low + 0x0000000A, // 7 Capacity Granularity 1 + 0x00000019, // 8 Capacity Granularity 2 + "", // 9 Model Number + "", // 10 Serial Number + "", // 11 Battery Type + "" // 12 OEM Information + }) + + Name (PBST, Package () { + 0x00000000, // Battery State + 0xFFFFFFFF, // Battery Present Rate + 0xFFFFFFFF, // Battery Remaining Capacity + 0xFFFFFFFF, // Battery Present Voltage + }) + + // 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) + } + + // Device insertion/removal control method that returns a device’s status. + // Power resource object that evaluates to the current on or off state of + // the Power Resource. + Method (_STA, 0, Serialized) + { + If (BTIN) { + Return (0x1F) + } Else { + Return (0x0F) + } + } + + Method (_BIF, 0, Serialized) + { + // Update fields from EC + Store (BDC0, Index (PBIF, 1)) // Batt Design Capacity + Store (BFC0, Index (PBIF, 2)) // Batt Last Full Charge Capacity + Store (BDV0, Index (PBIF, 4)) // Batt Design Voltage + Divide(BFC0, 0x64, Local0, Local1) + Multiply(Local1, 0x0A, Local0) + Store(Local0, Index(PBIF, 5)) + Multiply(Local1, 0x05, Local0) + Store (Local0, Index (PBIF, 6)) + Store (ToString(BATD), Index (PBIF, 9)) // Model Number + Store (ToDecimalString(BSN0), Index (PBIF, 10)) // Serial Number + Store (ToString(BCHM), Index (PBIF, 11)) // Battery Type + Store (\BATV, Index (PBIF, 12)) // OEM information + + Return (PBIF) + } + + Method (_BST, 0, Serialized) + { + // + // 0: BATTERY STATE + // + // bit 0 = discharging + // bit 1 = charging + // bit 2 = critical level + // + + // Get battery state from EC + Store (BST0, Local0) + Store (Local0, Index (PBST, 0)) + + // + // 1: BATTERY PRESENT RATE/CURRENT + // + Store (BPC0, Local1) + If (LAnd (Local1, 0x8000)) { + Xor (Local1, 0xFFFF, Local1) + Increment (Local1) + } + Store (Local1, Index (PBST, 1)) + + // + // 2: BATTERY REMAINING CAPACITY + // + Store (BRC0, Local1) + + If (LAnd (BFWK, LAnd (ADPT, LNot (Local0)))) { + // On AC power and battery is neither charging + // nor discharging. Linux expects a full battery + // to report same capacity as last full charge. + // https://bugzilla.kernel.org/show_bug.cgi?id=12632 + Store (BFC0, Local2) + + // See if within ~3% of full + ShiftRight (Local2, 5, Local3) + If (LAnd (LGreater (Local1, Subtract (Local2, Local3)), + LLess (Local1, Add (Local2, Local3)))) + { + Store (Local2, Local1) + } + } + Store (Local1, Index (PBST, 2)) + + // + // 3: BATTERY PRESENT VOLTAGE + // + Store (BPV0, Index (PBST, 3)) + + Return (PBST) + } +} diff --git a/src/ec/quanta/ene_kb3940q/acpi/ec.asl b/src/ec/quanta/ene_kb3940q/acpi/ec.asl new file mode 100644 index 0000000000..4e703feca5 --- /dev/null +++ b/src/ec/quanta/ene_kb3940q/acpi/ec.asl @@ -0,0 +1,280 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011-2012 The Chromium OS Authors. All rights reserved. + * + * 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 + */ + +/* + * The mainboard must define a PNOT method to handle power + * state notifications and Notify CPU device objects to + * re-evaluate their _PPC and _CST tables. + */ + +External (\_PR.CPU0._PPC, IntObj) + +Device (EC0) +{ + Name (_HID, EISAID ("PNP0C09")) + Name (_UID, 1) + Name (_GPE, Add(EC_SCI_GPI, 16)) // GPE for Runtime SCI + + OperationRegion (ERAM, EmbeddedControl, 0x00, 0xff) + Field (ERAM, ByteAcc, Lock, Preserve) + { + // EC Name Space Configuration + + Offset(0x40), + BDC0, 16, // Batt Design Capacity ; 40h, 41h + BDV0, 16, // Batt Design Voltage ; 42h, 43h + BFC0, 16, // Batt Last Full Charge Capacity ; 44h, 45h + BPC0, 16, // Batt Current ; 46h, 47h + BRC0, 16, // Batt Remaining Capacity ; 48h, 49h + BPV0, 16, // Batt Present Voltage ; 4Ah, 4Bh + BCG0, 16, // Batt Charge current ; 4Ch, 4Dh + BACV, 16, // Batt Charging Voltage ; 4Eh, 4Fh + BTM0, 16, // Batt Battery Temp ; 50h, 51h + BSN0, 16, // Batt Serial Number ; 52h, 53h + BPCT, 16, // Batt Percentage of full charge ; 54h, 55h + BSSB, 16, // BATT Battery Status SMB ; 56h, 57h + CYC0, 16, // Batt Cycle Counter ; 58h, 59h + BMD0, 16, // Manufacture Date ; 5Ah, 5Bh + // Batt Day ; BIT[4:0] (Day) + // Batt Month ; BIT[9:5] (Month) + // Batt Year ; BIT[15:10] (Year) + + + Offset(0x60), + BCHM, 32, // Battery Chemistry ; 60h - 64h + BATD, 56, // Battery Device name ; 64h - 6Ah + + Offset(0x70), + ADPT, 1, // AC Adapter Status for OS ; 70h.0 + ADPN, 1, // AC Adapter H/W status ; 70h.1 + BTIN, 1, // Battery Present ; 70h.2 + BTBD, 1, // Battery Malfunction ; 70h.3 + ACMD, 1, // ACPI Mode ; 70h.4 + , 1, // Reserved ; 70h.5 + SSBS, 1, // 1=Standard BIOS, 0=Coreboot ; 70h.6 + PSTH, 1, // Passive Thermal Policy ; 70h.7 + BST0, 8, // Battery Status ; 71h + // Bit0 : Discharging + // Bit1 : Charging + // Bit2 : Discharging and Critical Low + // Bit3-7 : Reserved + LIDF, 1, // Lid is open ; 72h.0 + GPRC, 1, // Recovery GPI Status ; 72h.1 + , 6, // Reserved ; 72h.2-7 + TPLD, 1, // TouchPad LED Activation ; 73h.0 + TPST, 1, // Touchpad LED Status ; 73h.1 + , 6, // Reserved ; 73h.2-7 + + Offset(0x78), + CTMP, 8, // Current CPU Temperature ; 78h + SKTB, 8, // GPU Temperature ; 79h + LTM1, 8, // Local Temp 1 ; 7Ah + LTM2, 8, // Local Temp 2 ; 7Bh + FTCH, 16, // Fan Tachometer value ; 7Ch - 7Dh + FDBG, 16, // Fan Debug - Override Fan Tach value ; 7Eh - 7Fh + , 1, // Reserved ; 80h.0 + KBID, 1, // 0=EN KBD, 1=JP KBD ; 80h.1 + , 6, // Reserved ; 80h.2-7 + NPST, 8, // Number of P-State level ; 81h + MPST, 8, // Maxumum P-State ; 82h + KWAK, 1, // Keyboard WAKE(0=Disable,1=Enable) ; 83h.0 + TWAK, 1, // TouchPad WAKE(0=Disable,1=Enable) ; 83h.1 + , 1, // Reserved ; 83h.2 + LWAK, 1, // LAN Wake Enable (0=Disable, 1=Enable); 83h.3 + RWAK, 1, // RTC Wake Enable(0=DIsable,1=Enable) ; 83h.4 + , 3, // Reserved ; 83h.5-7 + KBEV, 1, // Keyboard Wake Event ; 84h.0 + TPEV, 1, // TouchPad Wake Event ; 84h.1 + LDEV, 1, // Lid Wake Event ; 84h.2 + , 4, // Reserved ; 84h.3-6 + PBEV, 1, // Power Button Wake Event ; 84h.7 + + ECCD, 8, // EC Code State ; 85h + ROFW, 8, // RO FW Reason ID ; 86h + + Offset(0xBA), + FWVR, 48, // EC Firmware Version ; BAh-BFh + + Offset(0xC0), + SMPR, 8, // SMBus protocol register ; C0h + SMST, 8, // SMBus status register ; C1h + SMAD, 8, // SMBus address register ; C2h + SMCM, 8, // SMBus command register ; C3h + SMD0, 0x100, // SMBus data regs (32) ; C4h - E3h + BCNT, 8, // SMBus Block Count ; E4h + } + + Method (_CRS, 0, NotSerialized) + { + Name (ECMD, ResourceTemplate() + { + IO (Decode16, 0x62, 0x62, 0, 1) + IO (Decode16, 0x66, 0x66, 0, 1) + }) + Return (ECMD) + } + + Method(_STA) + { + Return(0x0F) + } + + + Method (_REG, 2, NotSerialized) + { + // Initialize AC power state + Store (ADPT, \PWRS) + + // Initialize LID switch state + Store (LIDF, \LIDS) + + // Force a read of CPU temperature + Store (CTMP, Local0) + + // Find and program number of P-States + Store (SizeOf (\_PR.CPU0._PSS), MPST) + Store ("Programming number of P-states: ", Debug) + Store (MPST, Debug) + + // Find and program the current P-State + Store(\_PR.CPU0._PPC, NPST) + Store ("Programming Current P-state: ", Debug) + Store (NPST, Debug) + } + +/* + * EC Query Responses + * + * Lid Status Change 06h + * Wifi Button Event (F12) 07h + * TZ Event Update CPU Temp 08h + * CPU P-State Down 0Eh + * CPU P-State UP 0Fh + + * AC plug in 10h + * AC removed 11h + * Battery Plugged in 12h + * Battery Removed 13h + * Battery State Change 14h + */ + + // Wifi Button Event + Method (_Q07) + { + Store ("Wifi Button Event 0x07", Debug) + } + + // Thermal Event + Method (_Q08) + { + Store ("Thermal Event 0x08", Debug) + Notify(\_TZ.THRM, 0x80) + } + + // Pstate Down + Method (_Q0E) + { + Store ("Pstate Event 0x0E", Debug) + + Store(\_PR.CPU0._PPC, Local0) + Subtract(PPCM, 0x01, Local1) + + If(LLess(Local0, Local1)) { + Increment(Local0) + \PPCN () + } + + Store(Local0, NPST) + } + + // Pstate Up + Method (_Q0F) + { + Store ("Pstate Event 0x0F", Debug) + Store(\_PR.CPU0._PPC, Local0) + + If(Local0) { + Decrement(Local0) + \PPCN () + } + + Store(Local0, NPST) + } + + // AC Power Connected + Method (_Q10, 0, NotSerialized) + { + Store ("AC Insertion Event 0x10", Debug) + Store (One, \PWRS) + Notify (AC, 0x80) + Notify (BATX, 0x80) + \PNOT () + } + + // AC Power Removed + Method (_Q11, 0, NotSerialized) + { + Store ("AC Detach Event 0x11", Debug) + Store (Zero, \PWRS) + Notify (AC, 0x80) + Notify (BATX, 0x80) + \PNOT () + } + + // Battery State Change - Attach Event + Method (_Q12, 0, NotSerialized) + { + Store ("Battery Insertion Event 0x12", Debug) + + Notify (BATX, 0x81) + Notify (BATX, 0x80) + \PNOT () + } + + // Battery State Change - Detach Event + Method (_Q13, 0, NotSerialized) + { + Store ("Battery Detach Event 0x13", Debug) + + Notify (BATX, 0x81) + Notify (BATX, 0x80) + \PNOT () + } + + + // Battery State Change Event + Method (_Q14, 0, NotSerialized) + { + Store ("Battery State Change Event 0x14", Debug) + + Notify (BATX, 0x80) + } + + // Lid Switch Event + Method (_Q06) + { + Store ("Lid Switch Event 0x06", Debug) + sleep(20) + Store (LIDF, \LIDS) + Notify (\_SB.LID0, 0x80) + } + + #include "ac.asl" + #include "battery.asl" +} diff --git a/src/ec/quanta/ene_kb3940q/acpi/superio.asl b/src/ec/quanta/ene_kb3940q/acpi/superio.asl new file mode 100644 index 0000000000..db4b4128f1 --- /dev/null +++ b/src/ec/quanta/ene_kb3940q/acpi/superio.asl @@ -0,0 +1,57 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 The ChromiumOS Authors. All rights reserved. + * + * 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 is \_SB.PCI0.LPCB + +Device (SIO) { + Name (_UID, 0) + Name (_ADR, 0) + + +#ifdef SIO_EC_ENABLE_PS2K + Device (PS2K) // Keyboard + { + Name (_UID, 0) + Name (_ADR, 0) + Name (_HID, EISAID("PNP0303")) + Name (_CID, EISAID("PNP030B")) + + Method (_STA, 0, NotSerialized) { + Return (0x0F) + } + + Name (_CRS, ResourceTemplate() + { + FixedIO (0x60, 0x01) + FixedIO (0x64, 0x01) + IRQNoFlags () {1} + }) + + Name (_PRS, ResourceTemplate() + { + StartDependentFn (0, 0) { + FixedIO (0x60, 0x01) + FixedIO (0x64, 0x01) + IRQNoFlags () {1} + } + EndDependentFn () + }) + } +#endif +} diff --git a/src/ec/quanta/ene_kb3940q/chip.h b/src/ec/quanta/ene_kb3940q/chip.h new file mode 100644 index 0000000000..ce95c1c27e --- /dev/null +++ b/src/ec/quanta/ene_kb3940q/chip.h @@ -0,0 +1,35 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 The Chromium OS Authors. All rights reserved. + * + * 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 + */ + +#ifndef _EC_QUANTA_ENE_KB3940Q_CHIP_H +#define _EC_QUANTA_ENE_KB3940Q_CHIP_H + +#include <device/device.h> +#include <pc80/keyboard.h> + +struct chip_operations; +extern struct chip_operations ec_quanta_ene_kb3940q_ops; + +struct ec_quanta_ene_kb3940q_config { + struct pc_keyboard keyboard; +}; + +#endif /* _EC_QUANTA_ENE_KB3940Q_CHIP_H */ diff --git a/src/ec/quanta/ene_kb3940q/ec.c b/src/ec/quanta/ene_kb3940q/ec.c new file mode 100644 index 0000000000..1ef971244f --- /dev/null +++ b/src/ec/quanta/ene_kb3940q/ec.c @@ -0,0 +1,188 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 The Chromium OS Authors. All rights reserved. + * + * 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 + */ + +#ifndef __PRE_RAM__ + +#include <console/console.h> +#include <device/device.h> +#include <device/pnp.h> +#include <stdlib.h> +#include <arch/io.h> +#include <delay.h> +#include <elog.h> +#include "ec.h" +#include "chip.h" + +/* kbc helper functions from drivers/pc80/keyboard.c */ +static int ec_input_buffer_empty(u8 status_port) +{ + u32 timeout; + for(timeout = KBC_TIMEOUT_IN_MS; timeout && (inb(status_port) & KBD_IBF); + timeout--) { + mdelay(1); + } + + if (!timeout) { + printk(BIOS_WARNING, "Unexpected EC/KBD input buffer full\n"); + } + return !!timeout; +} + + +static int ec_output_buffer_full(u8 status_port) +{ + u32 timeout; + for(timeout = KBC_TIMEOUT_IN_MS; timeout && ((inb(status_port) + & KBD_OBF) == 0); timeout--) { + mdelay(1); + } + + if (!timeout) { + printk(BIOS_INFO, "EC/KBD output buffer result timeout\n"); + } + return !!timeout; +} + + + +/* The ENE 60/64 EC registers are the same command/status IB/OB KBC pair. + * Check status from 64 port before each command. + * + * Ex. Get panel ID command C43/D77 + * Check IBF empty. Then Write 0x43(CMD) to 0x64 Port + * Check IBF empty. Then Write 0x77(DATA) to 0x60 Port + * Check OBF set. Then Get Data(0x03:panel ID) from 0x60 + * Different commands return may or may not respond and may have multiple + * bytes. Keep it simple for now + */ + +u8 ec_kbc_read_ob(void) +{ + if (!ec_output_buffer_full(KBD_STATUS)) return 0; + return inb(KBD_DATA); +} + +void ec_kbc_write_cmd(u8 cmd) +{ + if (!ec_input_buffer_empty(KBD_STATUS)) return; + outb(cmd, KBD_COMMAND); +} + +void ec_kbc_write_ib(u8 data) +{ + if (!ec_input_buffer_empty(KBD_STATUS)) return; + outb(data, KBD_DATA); +} + +/* EC Host Control Protocol routines */ +u8 ec_read_ob(void) +{ + if (!ec_output_buffer_full(EC_SC)) return 0; + return inb(EC_DATA); +} + +void ec_write_cmd(u8 cmd) +{ + if (!ec_input_buffer_empty(EC_SC)) return; + outb(cmd, EC_COMMAND); +} + +void ec_write_ib(u8 data) +{ + if (!ec_input_buffer_empty(EC_SC)) return; + outb(data, EC_DATA); +} + +/* + * These functions are for accessing the ENE932 device RAM space + */ +u8 ec_mem_read(u8 addr) +{ + ec_write_cmd(EC_CMD_READ_RAM); + ec_write_ib(addr); + return ec_read_ob(); +} + +void ec_mem_write(u8 addr, u8 data) +{ + ec_write_cmd(EC_CMD_WRITE_RAM); + ec_write_ib(addr); + ec_write_ib(data); + return; +} + +#ifndef __SMM__ +static void ene_kb3940q_log_events(void) +{ +#if CONFIG_ELOG + u8 reason = ec_mem_read(EC_SHUTDOWN_REASON); + if (reason) + elog_add_event_byte(ELOG_TYPE_EC_SHUTDOWN, reason); +#endif +} + +static void ene_kb3940q_init(device_t dev) +{ + struct ec_quanta_ene_kb3940q_config *conf = dev->chip_info; + + if (!dev->enabled) + return; + + printk(BIOS_DEBUG, "Quanta EnE KB3940Q: Initializing keyboard.\n"); + pc_keyboard_init(&conf->keyboard); + + ene_kb3940q_log_events(); +} + + +static void ene_kb3940q_read_resources(device_t dev) +{ + /* This function avoids an error on serial console. */ +} + + +static void ene_kb3940q_enable_resources(device_t dev) +{ + /* This function avoids an error on serial console. */ +} + +static struct device_operations ops = { + .init = ene_kb3940q_init, + .read_resources = ene_kb3940q_read_resources, + .enable_resources = ene_kb3940q_enable_resources +}; + +static struct pnp_info pnp_dev_info[] = { + { &ops, 0, 0, { 0, 0 }, } +}; + +static void enable_dev(device_t dev) +{ + pnp_enable_devices(dev, &pnp_ops, ARRAY_SIZE(pnp_dev_info), + pnp_dev_info); +} + +struct chip_operations ec_quanta_ene_kb3940q_ops = { + CHIP_NAME("QUANTA EnE KB3940Q EC") + .enable_dev = enable_dev +}; +#endif /* ! __SMM__ */ +#endif /* ! __PRE_RAM__ */ diff --git a/src/ec/quanta/ene_kb3940q/ec.h b/src/ec/quanta/ene_kb3940q/ec.h new file mode 100644 index 0000000000..ab01b2914c --- /dev/null +++ b/src/ec/quanta/ene_kb3940q/ec.h @@ -0,0 +1,213 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 The Chromium OS Authors. All rights reserved. + * + * 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 + */ + +/* + * EC communication interface for QUANTA EnE KB3940Q Embedded Controller. + */ + +#ifndef _EC_QUANTA_ENE_KB3940Q_EC_H +#define _EC_QUANTA_ENE_KB3940Q_EC_H + +#define EC_IO 0x380 /* Mainboard specific. Could be Kconfig option */ +#define EC_IO_HIGH EC_IO + 1 +#define EC_IO_LOW EC_IO + 2 +#define EC_IO_DATA EC_IO + 3 + + + +// 60h/64h Command Interface +#define KBD_DATA 0x60 +#define KBD_COMMAND 0x64 +#define KBD_STATUS 0x64 +#define KBD_IBF (1 << 1) // 1: input buffer full (data ready for ec) +#define KBD_OBF (1 << 0) // 1: output buffer full (data ready for host) + +// 62h/66h Command Interface +#define EC_DATA 0x62 +#define EC_COMMAND 0x66 +#define EC_SC 0x66 + +/* Wait 400ms for keyboard controller answers */ +#define KBC_TIMEOUT_IN_MS 400 + +u8 ec_kbc_read_ob(void); +void ec_kbc_write_cmd(u8 cmd); +void ec_kbc_write_ib(u8 data); +u8 ec_read_ob(void); +void ec_write_cmd(u8 cmd); +void ec_write_ib(u8 data); + +u8 ec_mem_read(u8 addr); +void ec_mem_write(u8 addr, u8 data); + +/***************************************************************************** + * EC Internal memory + */ + +#define EC_BAT_DCAP_LO 0x40 +#define EC_BAT_DCAP_HI 0x41 +#define EC_BAT_DVOLT_LO 0x42 +#define EC_BAT_DVOLT_HI 0x43 +#define EC_BAT_FULL_CAP_LO 0x44 +#define EC_BAT_FULL_CAP_HI 0x45 +#define EC_BAT_RATE_LO 0x46 +#define EC_BAT_RATE_HI 0x47 +#define EC_BAT_RMC_LO 0x48 +#define EC_BAT_RMC_HI 0x49 +#define EC_BAT_VOLT_LO 0x4A +#define EC_BAT_VOLT_HI 0x4B +#define EC_BAT_CHRG_CURT_LO 0x4C +#define EC_BAT_CHRG_CURT_HI 0x4D +#define EC_BAT_CHRG_VOLT_LO 0x4E +#define EC_BAT_CHRG_VOLT_HI 0x4F +#define EC_BAT_TEMP_LO 0x50 +#define EC_BAT_TEMP_HI 0x51 +#define EC_BAT_SN_LO 0x52 +#define EC_BAT_SN_HI 0x53 +#define EC_BAT_RSOC_LO 0x54 +#define EC_BAT_RSOC_HI 0x55 +#define EC_BAT_STATUS_LO 0x56 +#define EC_BAT_STATUS_HI 0x57 +#define EC_BAT_CYCLE_COUNT_LO 0x58 +#define EC_BAT_CYCLE_COUNT_HI 0x59 +#define EC_BAT_MFG_DATE_LO 0x5A +#define EC_BAT_MFG_DATE_HI 0x5B +#define EC_BAT_CHEMISTRY0 0x60 +#define EC_BAT_CHEMISTRY1 0x61 +#define EC_BAT_CHEMISTRY2 0x62 +#define EC_BAT_CHEMISTRY3 0x63 +#define EC_BAT_DEVICE_NAME0 0x64 +#define EC_BAT_DEVICE_NAME1 0x65 +#define EC_BAT_DEVICE_NAME2 0x66 +#define EC_BAT_DEVICE_NAME3 0x67 +#define EC_BAT_DEVICE_NAME4 0x68 +#define EC_BAT_DEVICE_NAME5 0x69 +#define EC_BAT_DEVICE_NAME6 0x6A + +#define EC_POWER_FLAG 0x70 +#define EC_PF_ADAPTER_IN (1 << 0) +#define EC_PF_ADAPTER_PIN (1 << 1) +#define EC_PF_BATT_IN (1 << 2) +#define EC_PF_BATT_DESTROY (1 << 3) +#define EC_PF_ACPI_MODE (1 << 4) +#define EC_PF_X86_BIOS (1 << 6) +#define EC_PF_COREBOOT 0 +#define EC_PF_PASSIVE_THERM (1 << 7) + +#define EC_CHARGER_STATUS 0x71 +#define EC_CHS_BAT_DISCHARGING (1 << 0) +#define EC_CHS_BAT_CHARGING (1 << 1) +#define EC_CHS_BAT_CRITICAL (1 << 2) + +#define EC_HW_GPI_STATUS 0x72 +#define EC_GPI_LID_STAT_BIT 0 +#define EC_GPI_RECOVERY_MODE_BIT 1 +#define EC_GPI_LID_OPEN (1 << EC_GPI_LID_STAT_BIT) +#define EC_GPI_RECOVERY_STATUS (1 << EC_GPI_RECOVERY_MODE_BIT) + +#define EC_GPIO_STATUS 0x73 +#define EC_GPIO_TP_LED_ENABLE (1 << 0) +#define EC_GPIO_TP_LED_STATUS (1 << 1) + +#define EC_CPU_TMP 0x78 +#define EC_GPU_TMP 0x79 +#define EC_LOCAL_TMP1 0x7A +#define EC_LOCAL_TMP2 0x7B +#define EC_FAN_TACH_LO 0x7C +#define EC_FAN_TACH_HI 0x7D +#define EC_FAN_DBG_RPM_LO 0x7E +#define EC_FAN_DBG_RPM_HI 0x7F + +#define EC_KBID_REG 0x80 +#define EC_KBD_EN 0 +#define EC_KBD_JP (1 << 1) +#define EC_CURR_PS 0x81 +#define EC_MAX_PS 0x82 + +#define EC_EC_PSW 0x83 +#define EC_PSW_IKB (1 << 0) +#define EC_PSW_TP (1 << 1) +#define EC_PSW_LAN (1 << 3) +#define EC_PSW_RTC (1 << 4) +#define EC_PSW_USB (1 << 5) + +#define EC_WAKE_EVEN_TID 0x84 +#define EC_WID_IKB (1 << 0) +#define EC_WID_TP (1 << 1) +#define EC_WID_LID (1 << 2) +#define EC_WID_PWRSW (1 << 7) + +#define EC_CODE_STATE 0x85 +#define EC_COS_INITIAL_STAGE 0xBB +#define EC_COS_EC_RO 0xC0 +#define EC_COS_EC_RW 0xC1 + +#define EC_FW_REASON_ID 0x86 +#define EC_FWR_NOT_RO 0x00 +#define EC_FWR_GPI_ASSERTED 0x01 +#define EC_FWR_HOTKEY_PRESSED 0x02 +#define EC_FWR_FIRMWARE_CORRUPT 0x03 + +#define EC_SHUTDOWN_REASON 0xB9 +#define EC_FW_VER0 0xBA +#define EC_FW_VER1 0xBB +#define EC_FW_VER2 0xBC +#define EC_FW_VER3 0xBD +#define EC_FW_VER4 0xBE +#define EC_FW_VER5 0xBF +#define EC_SMBPTCL 0xC0 +#define EC_SMBSTA 0xC1 +#define EC_SMBADDR 0xC2 +#define EC_SMBCMD 0xC3 +#define EC_SMBDATA 0xC4 +#define EC_SMBBCNT 0xE4 + +/***************************************************************************** + * SMI / SCI event status + */ +#define Q_EVENT_LID_STATUS 0x06 +#define Q_EVENT_WIFI_BUTTON 0x06 +#define Q_EVENT_THERM_EVENT 0x08 +#define Q_EVENT_PSTATE_DOWN 0x0E +#define Q_EVENT_PSTATE_UP 0x0F +#define Q_EVENT_AC_PLUGGED 0x10 +#define Q_EVENT_AC_UNPLUGGED 0x11 +#define Q_EVENT_BATTERY_PLUGGED 0x12 +#define Q_EVENT_BATTERY_UNPLUGGED 0x13 +#define Q_EVENT_BATTERY_STATUS 0x14 + +/***************************************************************************** + * EC Commands + */ +#define EC_CMD_ENABLE_ACPI_MODE 0x71 +#define EC_CMD_DISABLE_ACPI_MODE 0x72 +#define EC_CMD_DISABLE_SMBUS_EVENT 0x73 +#define EC_CMD_ENABLE_SMBUS_EVENT 0x74 +#define EC_CMD_SYSTEM_RESET 0x78 +#define EC_CMD_SYSTEM_SHUTDOWN 0x79 +#define EC_CMD_RESET_FOR_FW_UPDATE 0x7D +#define EC_CMD_IDLE_FOR SPI_UPDATE 0x7E +#define EC_CMD_READ_RAM 0x80 +#define EC_CMD_WRITE_RAM 0x81 +#define EC_CMD_BURST_ENABLE 0x82 +#define EC_CMD_BURST_DISABLE 0x83 +#define EC_CMD_QUERY_EVENT 0x84 + + +#endif /* _EC_QUANTA_ENE_KB3940Q_EC_H */ |