ec/purism/librem-ec: Add support for Purism Librem EC
Initial commit is a clone of ec/system76/ec with string changes; Purism-specific functionality will be added in subsequent commits. Change-Id: I8c51724e6dbfe1bc09496537f9e031643f95c755 Signed-off-by: Matt DeVillier <matt.devillier@puri.sm> Reviewed-on: https://review.coreboot.org/c/coreboot/+/52390 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Matt DeVillier
Patrick Georgi
parent
5f20e85ff3
commit
7d57d561b1
|
|
@ -0,0 +1,19 @@
|
|||
config EC_LIBREM_EC
|
||||
bool
|
||||
help
|
||||
Purism Librem EC
|
||||
|
||||
config EC_LIBREM_EC_BAT_THRESHOLDS
|
||||
depends on EC_LIBREM_EC
|
||||
bool
|
||||
default n
|
||||
|
||||
config EC_LIBREM_EC_COLOR_KEYBOARD
|
||||
depends on EC_LIBREM_EC
|
||||
bool
|
||||
default n
|
||||
|
||||
config EC_LIBREM_EC_OLED
|
||||
depends on EC_LIBREM_EC
|
||||
bool
|
||||
default n
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
ifeq ($(CONFIG_EC_LIBREM_EC),y)
|
||||
|
||||
all-y += librem_ec.c
|
||||
smm-$(CONFIG_DEBUG_SMI) += librem_ec.c
|
||||
|
||||
endif
|
||||
|
|
@ -0,0 +1,22 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
|
||||
Device (AC)
|
||||
{
|
||||
Name (_HID, "ACPI0003" /* Power Source Device */) // _HID: Hardware ID
|
||||
Name (_PCL, Package (0x01) // _PCL: Power Consumer List
|
||||
{
|
||||
_SB
|
||||
})
|
||||
|
||||
Name (ACFG, One)
|
||||
|
||||
Method (_PSR, 0, NotSerialized) // _PSR: Power Source
|
||||
{
|
||||
Return (ACFG)
|
||||
}
|
||||
|
||||
Method (_STA, 0, NotSerialized) // _STA: Status
|
||||
{
|
||||
Return (0x0F)
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,170 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
|
||||
Device (BAT0)
|
||||
{
|
||||
Name (_HID, EisaId ("PNP0C0A") /* Control Method Battery */) // _HID: Hardware ID
|
||||
Name (_UID, Zero) // _UID: Unique ID
|
||||
Name (_PCL, Package (0x01) // _PCL: Power Consumer List
|
||||
{
|
||||
_SB
|
||||
})
|
||||
Name (BFCC, Zero)
|
||||
Method (_STA, 0, NotSerialized) // _STA: Status
|
||||
{
|
||||
If (^^PCI0.LPCB.EC0.ECOK)
|
||||
{
|
||||
If (^^PCI0.LPCB.EC0.BAT0)
|
||||
{
|
||||
Return (0x1F)
|
||||
}
|
||||
Else
|
||||
{
|
||||
Return (0x0F)
|
||||
}
|
||||
}
|
||||
Else
|
||||
{
|
||||
Return (0x0F)
|
||||
}
|
||||
}
|
||||
|
||||
Name (PBIF, Package (0x0D)
|
||||
{
|
||||
One, // 0 - Power Unit
|
||||
0xFFFFFFFF, // 1 - Design Capacity
|
||||
0xFFFFFFFF, // 2 - Last Full Charge Capacity
|
||||
One, // 3 - Battery Technology
|
||||
0xFFFFFFFF, // 4 - Design Voltage
|
||||
Zero, // 5 - Design Capacity of Warning
|
||||
Zero, // 6 - Design Capacity of Low
|
||||
0x40, // 7 - Battery Capacity Granularity 1
|
||||
0x40, // 8 - Battery Capacity Granularity 2
|
||||
" ", // 9 - Model Number
|
||||
" ", // 10 - Serial Number
|
||||
" ", // 11 - Battery Type
|
||||
" " // 12 - OEM Information
|
||||
})
|
||||
Method (IVBI, 0, NotSerialized)
|
||||
{
|
||||
PBIF [1] = 0xFFFFFFFF
|
||||
PBIF [2] = 0xFFFFFFFF
|
||||
PBIF [4] = 0xFFFFFFFF
|
||||
PBIF [9] = " "
|
||||
PBIF [10] = " "
|
||||
PBIF [11] = " "
|
||||
PBIF [12] = " "
|
||||
BFCC = Zero
|
||||
}
|
||||
|
||||
Method (UPBI, 0, NotSerialized)
|
||||
{
|
||||
If (^^PCI0.LPCB.EC0.BAT0)
|
||||
{
|
||||
Local0 = (^^PCI0.LPCB.EC0.BDC0 & 0xFFFF)
|
||||
PBIF [1] = Local0
|
||||
Local0 = (^^PCI0.LPCB.EC0.BFC0 & 0xFFFF)
|
||||
PBIF [2] = Local0
|
||||
BFCC = Local0
|
||||
Local0 = (^^PCI0.LPCB.EC0.BDV0 & 0xFFFF)
|
||||
PBIF [4] = Local0
|
||||
Local0 = (^^PCI0.LPCB.EC0.BCW0 & 0xFFFF)
|
||||
PBIF [5] = Local0
|
||||
Local0 = (^^PCI0.LPCB.EC0.BCL0 & 0xFFFF)
|
||||
PBIF [6] = Local0
|
||||
PBIF [9] = "BAT"
|
||||
PBIF [10] = "0001"
|
||||
PBIF [11] = "LION"
|
||||
PBIF [12] = "Notebook"
|
||||
}
|
||||
Else
|
||||
{
|
||||
IVBI ()
|
||||
}
|
||||
}
|
||||
|
||||
Method (_BIF, 0, NotSerialized) // _BIF: Battery Information
|
||||
{
|
||||
If (^^PCI0.LPCB.EC0.ECOK)
|
||||
{
|
||||
UPBI ()
|
||||
}
|
||||
Else
|
||||
{
|
||||
IVBI ()
|
||||
}
|
||||
|
||||
Return (PBIF) /* \_SB_.BAT0.PBIF */
|
||||
}
|
||||
|
||||
Name (PBST, Package (0x04)
|
||||
{
|
||||
Zero, // 0 - Battery state
|
||||
0xFFFFFFFF, // 1 - Battery present rate
|
||||
0xFFFFFFFF, // 2 - Battery remaining capacity
|
||||
0xFFFFFFFF // 3 - Battery present voltage
|
||||
})
|
||||
Method (IVBS, 0, NotSerialized)
|
||||
{
|
||||
PBST [0] = Zero
|
||||
PBST [1] = 0xFFFFFFFF
|
||||
PBST [2] = 0xFFFFFFFF
|
||||
PBST [3] = 0xFFFFFFFF
|
||||
}
|
||||
|
||||
Method (UPBS, 0, NotSerialized)
|
||||
{
|
||||
If (^^PCI0.LPCB.EC0.BAT0)
|
||||
{
|
||||
Local0 = Zero
|
||||
Local1 = Zero
|
||||
If (^^AC.ACFG)
|
||||
{
|
||||
If (((^^PCI0.LPCB.EC0.BST0 & 0x02) == 0x02))
|
||||
{
|
||||
Local0 |= 0x02
|
||||
Local1 = (^^PCI0.LPCB.EC0.BPR0 & 0xFFFF)
|
||||
}
|
||||
}
|
||||
Else
|
||||
{
|
||||
Local0 |= One
|
||||
Local1 = (^^PCI0.LPCB.EC0.BPR0 & 0xFFFF)
|
||||
}
|
||||
|
||||
Local7 = (Local1 & 0x8000)
|
||||
If ((Local7 == 0x8000))
|
||||
{
|
||||
Local1 ^= 0xFFFF
|
||||
}
|
||||
|
||||
Local2 = (^^PCI0.LPCB.EC0.BRC0 & 0xFFFF)
|
||||
Local3 = (^^PCI0.LPCB.EC0.BPV0 & 0xFFFF)
|
||||
PBST [0] = Local0
|
||||
PBST [1] = Local1
|
||||
PBST [2] = Local2
|
||||
PBST [3] = Local3
|
||||
If ((BFCC != ^^PCI0.LPCB.EC0.BFC0))
|
||||
{
|
||||
Notify (BAT0, 0x81) // Information Change
|
||||
}
|
||||
}
|
||||
Else
|
||||
{
|
||||
IVBS ()
|
||||
}
|
||||
}
|
||||
|
||||
Method (_BST, 0, NotSerialized) // _BST: Battery Status
|
||||
{
|
||||
If (^^PCI0.LPCB.EC0.ECOK)
|
||||
{
|
||||
UPBS ()
|
||||
}
|
||||
Else
|
||||
{
|
||||
IVBS ()
|
||||
}
|
||||
|
||||
Return (PBST) /* \_SB_.BAT0.PBST */
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,46 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
|
||||
Field (ERAM, ByteAcc, Lock, Preserve)
|
||||
{
|
||||
Offset (0xBC),
|
||||
BTL0, 8, /* BAT0 charging start threshold */
|
||||
BTH0, 8, /* BAT0 charging end threshold */
|
||||
}
|
||||
|
||||
/*
|
||||
* Get battery charging threshold
|
||||
*
|
||||
* Arg0: 0: Start threshold
|
||||
* 1: Stop threshold
|
||||
*/
|
||||
Method (GBCT, 1, NotSerialized)
|
||||
{
|
||||
If (Arg0 == 0) {
|
||||
Return (BTL0)
|
||||
}
|
||||
|
||||
If (Arg0 == 1) {
|
||||
Return (BTH0)
|
||||
}
|
||||
|
||||
Return (0xFF)
|
||||
}
|
||||
|
||||
/*
|
||||
* Set battery charging threshold
|
||||
*
|
||||
* Arg0: 0: Start threshold
|
||||
* 1: Stop threshold
|
||||
* Arg1: Percentage
|
||||
*/
|
||||
Method (SBCT, 2, NotSerialized)
|
||||
{
|
||||
If (Arg1 <= 100) {
|
||||
If (Arg0 == 0) {
|
||||
BTL0 = Arg1
|
||||
}
|
||||
If (Arg0 == 1) {
|
||||
BTH0 = Arg1
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
|
||||
Device (PWRB)
|
||||
{
|
||||
Name (_HID, EisaId ("PNP0C0C"))
|
||||
Name (_PRW, Package () { EC_GPE_SWI, 3 })
|
||||
}
|
||||
|
||||
Device (SLPB)
|
||||
{
|
||||
Name (_HID, EisaId ("PNP0C0E"))
|
||||
Name (_PRW, Package () { EC_GPE_SWI, 3 })
|
||||
}
|
||||
|
|
@ -0,0 +1,244 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
|
||||
Scope (\_SB) {
|
||||
#include "ac.asl"
|
||||
#include "battery.asl"
|
||||
#include "buttons.asl"
|
||||
#include "hid.asl"
|
||||
#include "lid.asl"
|
||||
#include "librem-ec.asl"
|
||||
}
|
||||
|
||||
Device (\_SB.PCI0.LPCB.EC0)
|
||||
{
|
||||
Name (_HID, EisaId ("PNP0C09") /* Embedded Controller Device */) // _HID: Hardware ID
|
||||
Name (_GPE, EC_GPE_SCI) // _GPE: General Purpose Events
|
||||
Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
|
||||
{
|
||||
IO (Decode16,
|
||||
0x0062, // Range Minimum
|
||||
0x0062, // Range Maximum
|
||||
0x00, // Alignment
|
||||
0x01, // Length
|
||||
)
|
||||
IO (Decode16,
|
||||
0x0066, // Range Minimum
|
||||
0x0066, // Range Maximum
|
||||
0x00, // Alignment
|
||||
0x01, // Length
|
||||
)
|
||||
})
|
||||
|
||||
#include "ec_ram.asl"
|
||||
|
||||
Name (ECOK, Zero)
|
||||
Method (_REG, 2, Serialized) // _REG: Region Availability
|
||||
{
|
||||
Debug = Concatenate("EC: _REG", Concatenate(ToHexString(Arg0), Concatenate(" ", ToHexString(Arg1))))
|
||||
If ((Arg0 == 0x03) && (Arg1 == One)) {
|
||||
// Enable hardware touchpad lock, airplane mode, and keyboard backlight keys
|
||||
ECOS = 1
|
||||
|
||||
// Enable software display brightness keys
|
||||
WINF = 1
|
||||
|
||||
// Set current AC state
|
||||
^^^^AC.ACFG = ADP
|
||||
// Update battery information and status
|
||||
^^^^BAT0.UPBI()
|
||||
^^^^BAT0.UPBS()
|
||||
|
||||
// Notify of changes
|
||||
Notify(^^^^AC, Zero)
|
||||
Notify(^^^^BAT0, Zero)
|
||||
|
||||
PNOT ()
|
||||
|
||||
// EC is now available
|
||||
ECOK = Arg1
|
||||
|
||||
// Reset System76 Device
|
||||
^^^^S76D.RSET()
|
||||
}
|
||||
}
|
||||
|
||||
Name (S3OS, Zero)
|
||||
Method (PTS, 1, Serialized) {
|
||||
Debug = Concatenate("EC: PTS: ", ToHexString(Arg0))
|
||||
If (ECOK) {
|
||||
// Save ECOS during sleep
|
||||
S3OS = ECOS
|
||||
|
||||
// Clear wake cause
|
||||
WFNO = Zero
|
||||
}
|
||||
}
|
||||
|
||||
Method (WAK, 1, Serialized) {
|
||||
Debug = Concatenate("EC: WAK: ", ToHexString(Arg0))
|
||||
If (ECOK) {
|
||||
// Restore ECOS after sleep
|
||||
ECOS = S3OS
|
||||
|
||||
// Set current AC state
|
||||
^^^^AC.ACFG = ADP
|
||||
|
||||
// Update battery information and status
|
||||
^^^^BAT0.UPBI()
|
||||
^^^^BAT0.UPBS()
|
||||
|
||||
// Notify of changes
|
||||
Notify(^^^^AC, Zero)
|
||||
Notify(^^^^BAT0, Zero)
|
||||
|
||||
// Reset System76 Device
|
||||
^^^^S76D.RSET()
|
||||
}
|
||||
}
|
||||
|
||||
Method (_Q0A, 0, NotSerialized) // Touchpad Toggle
|
||||
{
|
||||
Debug = "EC: Touchpad Toggle"
|
||||
}
|
||||
|
||||
Method (_Q0B, 0, NotSerialized) // Screen Toggle
|
||||
{
|
||||
Debug = "EC: Screen Toggle"
|
||||
#if CONFIG(EC_SYSTEM76_EC_OLED)
|
||||
Notify (^^^^S76D, 0x85)
|
||||
#endif // CONFIG(EC_SYSTEM76_EC_OLED)
|
||||
}
|
||||
|
||||
Method (_Q0C, 0, NotSerialized) // Mute
|
||||
{
|
||||
Debug = "EC: Mute"
|
||||
}
|
||||
|
||||
Method (_Q0D, 0, NotSerialized) // Keyboard Backlight
|
||||
{
|
||||
Debug = "EC: Keyboard Backlight"
|
||||
}
|
||||
|
||||
Method (_Q0E, 0, NotSerialized) // Volume Down
|
||||
{
|
||||
Debug = "EC: Volume Down"
|
||||
}
|
||||
|
||||
Method (_Q0F, 0, NotSerialized) // Volume Up
|
||||
{
|
||||
Debug = "EC: Volume Up"
|
||||
}
|
||||
|
||||
Method (_Q10, 0, NotSerialized) // Switch Video Mode
|
||||
{
|
||||
Debug = "EC: Switch Video Mode"
|
||||
}
|
||||
|
||||
Method (_Q11, 0, NotSerialized) // Brightness Down
|
||||
{
|
||||
Debug = "EC: Brightness Down"
|
||||
if (^^^^HIDD.HRDY) {
|
||||
^^^^HIDD.HPEM (20)
|
||||
}
|
||||
}
|
||||
|
||||
Method (_Q12, 0, NotSerialized) // Brightness Up
|
||||
{
|
||||
Debug = "EC: Brightness Up"
|
||||
if (^^^^HIDD.HRDY) {
|
||||
^^^^HIDD.HPEM (19)
|
||||
}
|
||||
}
|
||||
|
||||
Method (_Q13, 0, NotSerialized) // Camera Toggle
|
||||
{
|
||||
Debug = "EC: Camera Toggle"
|
||||
}
|
||||
|
||||
Method (_Q14, 0, NotSerialized) // Airplane Mode
|
||||
{
|
||||
Debug = "EC: Airplane Mode"
|
||||
if (^^^^HIDD.HRDY) {
|
||||
^^^^HIDD.HPEM (8)
|
||||
}
|
||||
// TODO: hardware airplane mode
|
||||
}
|
||||
|
||||
Method (_Q15, 0, NotSerialized) // Suspend Button
|
||||
{
|
||||
Debug = "EC: Suspend Button"
|
||||
Notify (SLPB, 0x80)
|
||||
}
|
||||
|
||||
Method (_Q16, 0, NotSerialized) // AC Detect
|
||||
{
|
||||
Debug = "EC: AC Detect"
|
||||
^^^^AC.ACFG = ADP
|
||||
Notify (AC, 0x80) // Status Change
|
||||
If (BAT0)
|
||||
{
|
||||
Notify (^^^^BAT0, 0x81) // Information Change
|
||||
Notify (^^^^BAT0, 0x80) // Status Change
|
||||
}
|
||||
}
|
||||
|
||||
Method (_Q17, 0, NotSerialized) // BAT0 Update
|
||||
{
|
||||
Debug = "EC: BAT0 Update (17)"
|
||||
Notify (^^^^BAT0, 0x81) // Information Change
|
||||
}
|
||||
|
||||
Method (_Q19, 0, NotSerialized) // BAT0 Update
|
||||
{
|
||||
Debug = "EC: BAT0 Update (19)"
|
||||
Notify (^^^^BAT0, 0x81) // Information Change
|
||||
}
|
||||
|
||||
Method (_Q1B, 0, NotSerialized) // Lid Close
|
||||
{
|
||||
Debug = "EC: Lid Close"
|
||||
Notify (LID0, 0x80)
|
||||
}
|
||||
|
||||
Method (_Q1C, 0, NotSerialized) // Thermal Trip
|
||||
{
|
||||
Debug = "EC: Thermal Trip"
|
||||
/* TODO
|
||||
Notify (\_TZ.TZ0, 0x81) // Thermal Trip Point Change
|
||||
Notify (\_TZ.TZ0, 0x80) // Thermal Status Change
|
||||
*/
|
||||
}
|
||||
|
||||
Method (_Q1D, 0, NotSerialized) // Power Button
|
||||
{
|
||||
Debug = "EC: Power Button"
|
||||
Notify (PWRB, 0x80)
|
||||
}
|
||||
|
||||
Method (_Q50, 0, NotSerialized) // Other Events
|
||||
{
|
||||
Local0 = OEM4
|
||||
If (Local0 == 0x8A) {
|
||||
Debug = "EC: White Keyboard Backlight"
|
||||
Notify (^^^^S76D, 0x80)
|
||||
} ElseIf (Local0 == 0x9F) {
|
||||
Debug = "EC: Color Keyboard Toggle"
|
||||
Notify (^^^^S76D, 0x81)
|
||||
} ElseIf (Local0 == 0x81) {
|
||||
Debug = "EC: Color Keyboard Down"
|
||||
Notify (^^^^S76D, 0x82)
|
||||
} ElseIf (Local0 == 0x82) {
|
||||
Debug = "EC: Color Keyboard Up"
|
||||
Notify (^^^^S76D, 0x83)
|
||||
} ElseIf (Local0 == 0x80) {
|
||||
Debug = "EC: Color Keyboard Color Change"
|
||||
Notify (^^^^S76D, 0x84)
|
||||
} Else {
|
||||
Debug = Concatenate("EC: Other: ", ToHexString(Local0))
|
||||
}
|
||||
}
|
||||
|
||||
#if CONFIG(EC_SYSTEM76_EC_BAT_THRESHOLDS)
|
||||
#include "battery_thresholds.asl"
|
||||
#endif
|
||||
}
|
||||
|
|
@ -0,0 +1,54 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
|
||||
OperationRegion (ERAM, EmbeddedControl, Zero, 0xFF)
|
||||
Field (ERAM, ByteAcc, Lock, Preserve)
|
||||
{
|
||||
Offset (0x03),
|
||||
LSTE, 1, // Lid is open
|
||||
, 1,
|
||||
LWKE, 1, // Lid wake
|
||||
, 5,
|
||||
Offset (0x07),
|
||||
TMP1, 8, // CPU temperature
|
||||
Offset (0x10),
|
||||
ADP, 1, // AC adapter connected
|
||||
, 1,
|
||||
BAT0, 1, // Battery connected
|
||||
, 5,
|
||||
WFNO, 8, // Wake cause (not implemented)
|
||||
Offset (0x16),
|
||||
BDC0, 32, // Battery design capacity
|
||||
BFC0, 32, // Battery full capacity
|
||||
Offset (0x22),
|
||||
BDV0, 32, // Battery design voltage
|
||||
BST0, 32, // Battery status
|
||||
BPR0, 32, // Battery current
|
||||
BRC0, 32, // Battery remaining capacity
|
||||
BPV0, 32, // Battery voltage
|
||||
Offset (0x3A),
|
||||
BCW0, 32,
|
||||
BCL0, 32,
|
||||
Offset (0x68),
|
||||
ECOS, 8, // Detected OS, 0 = no ACPI, 1 = ACPI but no driver, 2 = ACPI with driver
|
||||
Offset (0xC8),
|
||||
OEM1, 8,
|
||||
OEM2, 8,
|
||||
OEM3, 16,
|
||||
OEM4, 8, // Extra SCI data
|
||||
Offset (0xCD),
|
||||
TMP2, 8, // GPU temperature
|
||||
DUT1, 8, // Fan 1 duty
|
||||
DUT2, 8, // Fan 2 duty
|
||||
RPM1, 16, // Fan 1 RPM
|
||||
RPM2, 16, // Fan 2 RPM
|
||||
Offset (0xD9),
|
||||
AIRP, 8, // Airplane mode LED
|
||||
WINF, 8, // Enable ACPI brightness controls
|
||||
Offset (0xF8),
|
||||
FCMD, 8,
|
||||
FDAT, 8,
|
||||
FBUF, 8,
|
||||
FBF1, 8,
|
||||
FBF2, 8,
|
||||
FBF3, 8,
|
||||
}
|
||||
|
|
@ -0,0 +1,50 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
|
||||
Device (HIDD)
|
||||
{
|
||||
Name (_HID, "INT33D5")
|
||||
Name (HBSY, Zero)
|
||||
Name (HIDX, Zero)
|
||||
Name (HRDY, Zero)
|
||||
|
||||
Method (HDEM, 0, Serialized)
|
||||
{
|
||||
HBSY = Zero
|
||||
Return (HIDX)
|
||||
}
|
||||
|
||||
Method (HDMM, 0, Serialized)
|
||||
{
|
||||
Return (Zero)
|
||||
}
|
||||
|
||||
Method (HDSM, 1, Serialized)
|
||||
{
|
||||
HRDY = Arg0
|
||||
}
|
||||
|
||||
Method (HPEM, 1, Serialized)
|
||||
{
|
||||
HBSY = One
|
||||
HIDX = Arg0
|
||||
|
||||
Notify (HIDD, 0xC0)
|
||||
Local0 = Zero
|
||||
While ((Local0 < 0xFA) && HBSY)
|
||||
{
|
||||
Sleep (0x04)
|
||||
Local0++
|
||||
}
|
||||
|
||||
If (HBSY == One)
|
||||
{
|
||||
HBSY = Zero
|
||||
HIDX = Zero
|
||||
Return (One)
|
||||
}
|
||||
Else
|
||||
{
|
||||
Return (Zero)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,162 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
|
||||
// Notifications:
|
||||
// 0x80 - hardware backlight toggle
|
||||
// 0x81 - backlight toggle
|
||||
// 0x82 - backlight down
|
||||
// 0x83 - backlight up
|
||||
// 0x84 - backlight color change
|
||||
// 0x85 - OLED screen toggle
|
||||
Device (S76D) {
|
||||
Name (_HID, "17761776")
|
||||
Name (_UID, 0)
|
||||
|
||||
Method (RSET, 0, Serialized) {
|
||||
Debug = "S76D: RSET"
|
||||
SAPL(0)
|
||||
SKBL(0)
|
||||
#if CONFIG(EC_SYSTEM76_EC_COLOR_KEYBOARD)
|
||||
SKBC(0xFFFFFF)
|
||||
#endif // CONFIG(EC_SYSTEM76_EC_COLOR_KEYBOARD)
|
||||
}
|
||||
|
||||
Method (INIT, 0, Serialized) {
|
||||
Debug = "S76D: INIT"
|
||||
RSET()
|
||||
If (^^PCI0.LPCB.EC0.ECOK) {
|
||||
// Set flags to use software control
|
||||
^^PCI0.LPCB.EC0.ECOS = 2
|
||||
Return (0)
|
||||
} Else {
|
||||
Return (1)
|
||||
}
|
||||
}
|
||||
|
||||
Method (FINI, 0, Serialized) {
|
||||
Debug = "S76D: FINI"
|
||||
RSET()
|
||||
If (^^PCI0.LPCB.EC0.ECOK) {
|
||||
// Set flags to use hardware control
|
||||
^^PCI0.LPCB.EC0.ECOS = 1
|
||||
Return (0)
|
||||
} Else {
|
||||
Return (1)
|
||||
}
|
||||
}
|
||||
|
||||
// Get Airplane LED
|
||||
Method (GAPL, 0, Serialized) {
|
||||
If (^^PCI0.LPCB.EC0.ECOK) {
|
||||
If (^^PCI0.LPCB.EC0.AIRP & 0x40) {
|
||||
Return (1)
|
||||
}
|
||||
}
|
||||
Return (0)
|
||||
}
|
||||
|
||||
// Set Airplane LED
|
||||
Method (SAPL, 1, Serialized) {
|
||||
If (^^PCI0.LPCB.EC0.ECOK) {
|
||||
If (Arg0) {
|
||||
^^PCI0.LPCB.EC0.AIRP |= 0x40
|
||||
} Else {
|
||||
^^PCI0.LPCB.EC0.AIRP &= 0xBF
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#if CONFIG(EC_SYSTEM76_EC_COLOR_KEYBOARD)
|
||||
// Set KB LED Brightness
|
||||
Method (SKBL, 1, Serialized) {
|
||||
If (^^PCI0.LPCB.EC0.ECOK) {
|
||||
^^PCI0.LPCB.EC0.FDAT = 6
|
||||
^^PCI0.LPCB.EC0.FBUF = Arg0
|
||||
^^PCI0.LPCB.EC0.FBF1 = 0
|
||||
^^PCI0.LPCB.EC0.FBF2 = Arg0
|
||||
^^PCI0.LPCB.EC0.FCMD = 0xCA
|
||||
}
|
||||
}
|
||||
|
||||
// Set Keyboard Color
|
||||
Method (SKBC, 1, Serialized) {
|
||||
If (^^PCI0.LPCB.EC0.ECOK) {
|
||||
^^PCI0.LPCB.EC0.FDAT = 0x3
|
||||
^^PCI0.LPCB.EC0.FBUF = (Arg0 & 0xFF)
|
||||
^^PCI0.LPCB.EC0.FBF1 = ((Arg0 >> 16) & 0xFF)
|
||||
^^PCI0.LPCB.EC0.FBF2 = ((Arg0 >> 8) & 0xFF)
|
||||
^^PCI0.LPCB.EC0.FCMD = 0xCA
|
||||
Return (Arg0)
|
||||
} Else {
|
||||
Return (0)
|
||||
}
|
||||
}
|
||||
#else // CONFIG(EC_SYSTEM76_EC_COLOR_KEYBOARD)
|
||||
// Get KB LED
|
||||
Method (GKBL, 0, Serialized) {
|
||||
Local0 = 0
|
||||
If (^^PCI0.LPCB.EC0.ECOK) {
|
||||
^^PCI0.LPCB.EC0.FDAT = One
|
||||
^^PCI0.LPCB.EC0.FCMD = 0xCA
|
||||
Local0 = ^^PCI0.LPCB.EC0.FBUF
|
||||
^^PCI0.LPCB.EC0.FCMD = Zero
|
||||
}
|
||||
Return (Local0)
|
||||
}
|
||||
|
||||
// Set KB Led
|
||||
Method (SKBL, 1, Serialized) {
|
||||
If (^^PCI0.LPCB.EC0.ECOK) {
|
||||
^^PCI0.LPCB.EC0.FDAT = Zero
|
||||
^^PCI0.LPCB.EC0.FBUF = Arg0
|
||||
^^PCI0.LPCB.EC0.FCMD = 0xCA
|
||||
}
|
||||
}
|
||||
#endif // CONFIG(EC_SYSTEM76_EC_COLOR_KEYBOARD)
|
||||
|
||||
// Fan names
|
||||
Method (NFAN, 0, Serialized) {
|
||||
Return (Package() {
|
||||
"CPU fan",
|
||||
})
|
||||
}
|
||||
|
||||
// Get fan duty cycle and RPM as a single value
|
||||
Method (GFAN, 1, Serialized) {
|
||||
Local0 = 0
|
||||
Local1 = 0
|
||||
If (^^PCI0.LPCB.EC0.ECOK) {
|
||||
If (Arg0 == 0) {
|
||||
Local0 = ^^PCI0.LPCB.EC0.DUT1
|
||||
Local1 = ^^PCI0.LPCB.EC0.RPM1
|
||||
} ElseIf (Arg0 == 1) {
|
||||
Local0 = ^^PCI0.LPCB.EC0.DUT2
|
||||
Local1 = ^^PCI0.LPCB.EC0.RPM2
|
||||
}
|
||||
}
|
||||
If (Local1 != 0) {
|
||||
// 60 * (EC frequency / 120) / 2
|
||||
Local1 = 2156250 / Local1
|
||||
}
|
||||
Return ((Local1 << 8) | Local0)
|
||||
}
|
||||
|
||||
// Temperature names
|
||||
Method (NTMP, 0, Serialized) {
|
||||
Return (Package() {
|
||||
"CPU temp",
|
||||
})
|
||||
}
|
||||
|
||||
// Get temperature
|
||||
Method (GTMP, 1, Serialized) {
|
||||
Local0 = 0;
|
||||
If (^^PCI0.LPCB.EC0.ECOK) {
|
||||
If (Arg0 == 0) {
|
||||
Local0 = ^^PCI0.LPCB.EC0.TMP1
|
||||
} ElseIf (Arg0 == 1) {
|
||||
Local0 = ^^PCI0.LPCB.EC0.TMP2
|
||||
}
|
||||
}
|
||||
Return (Local0)
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,23 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
|
||||
Device (LID0)
|
||||
{
|
||||
Name (_HID, EisaId ("PNP0C0D"))
|
||||
Name (_PRW, Package () { EC_GPE_SWI, 3 })
|
||||
|
||||
Method (_LID, 0, NotSerialized) {
|
||||
DEBUG = "LID: _LID"
|
||||
If (^^PCI0.LPCB.EC0.ECOK) {
|
||||
Return (^^PCI0.LPCB.EC0.LSTE)
|
||||
} Else {
|
||||
Return (One)
|
||||
}
|
||||
}
|
||||
|
||||
Method (_PSW, 1, NotSerialized) {
|
||||
DEBUG = Concatenate("LID: _PSW: ", ToHexString(Arg0))
|
||||
If (^^PCI0.LPCB.EC0.ECOK) {
|
||||
^^PCI0.LPCB.EC0.LWKE = Arg0
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,61 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
|
||||
#include <arch/io.h>
|
||||
#include <console/system76_ec.h>
|
||||
#include <timer.h>
|
||||
|
||||
// This is the command region for Librem EC firmware. It must be
|
||||
// enabled for LPC in the mainboard.
|
||||
#define LIBREM_EC_BASE 0x0E00
|
||||
#define LIBREM_EC_SIZE 256
|
||||
|
||||
#define REG_CMD 0
|
||||
#define REG_RESULT 1
|
||||
|
||||
// When command register is 0, command is complete
|
||||
#define CMD_FINISHED 0
|
||||
|
||||
// Print command. Registers are unique for each command
|
||||
#define CMD_PRINT 4
|
||||
#define CMD_PRINT_REG_FLAGS 2
|
||||
#define CMD_PRINT_REG_LEN 3
|
||||
#define CMD_PRINT_REG_DATA 4
|
||||
|
||||
static inline uint8_t system76_ec_read(uint8_t addr)
|
||||
{
|
||||
return inb(LIBREM_EC_BASE + (uint16_t)addr);
|
||||
}
|
||||
|
||||
static inline void system76_ec_write(uint8_t addr, uint8_t data)
|
||||
{
|
||||
outb(data, LIBREM_EC_BASE + (uint16_t)addr);
|
||||
}
|
||||
|
||||
void system76_ec_init(void)
|
||||
{
|
||||
// Clear entire command region
|
||||
for (int i = 0; i < LIBREM_EC_SIZE; i++)
|
||||
system76_ec_write((uint8_t)i, 0);
|
||||
}
|
||||
|
||||
void system76_ec_flush(void)
|
||||
{
|
||||
system76_ec_write(REG_CMD, CMD_PRINT);
|
||||
|
||||
// Wait for command completion, for up to 10 milliseconds, with a
|
||||
// test period of 1 microsecond
|
||||
wait_us(10000, system76_ec_read(REG_CMD) == CMD_FINISHED);
|
||||
|
||||
system76_ec_write(CMD_PRINT_REG_LEN, 0);
|
||||
}
|
||||
|
||||
void system76_ec_print(uint8_t byte)
|
||||
{
|
||||
uint8_t len = system76_ec_read(CMD_PRINT_REG_LEN);
|
||||
system76_ec_write(CMD_PRINT_REG_DATA + len, byte);
|
||||
system76_ec_write(CMD_PRINT_REG_LEN, len + 1);
|
||||
|
||||
// If we hit the end of the buffer, or were given a newline, flush
|
||||
if (byte == '\n' || len >= (LIBREM_EC_SIZE - CMD_PRINT_REG_DATA))
|
||||
system76_ec_flush();
|
||||
}
|
||||
Loading…
Reference in New Issue