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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <variant/gpio.h>
#define BOARD_DIG_I2C_ADDR 0x09
#define BOARD_DIG_IRQ DIG_INT_L
#define BOARD_DIG_PDCT DIG_PDCT_L
#define BOARD_DIG_EJECT GPE_DIG_EJECT
Scope (\_SB)
{
Device (PENH)
{
Name (_HID, "PRP0001")
Name (_CRS, ResourceTemplate () {
GpioIo (Exclusive, PullNone, 0, 0, IoRestrictionInputOnly,
"\\_SB.PCI0.GPIO", 0, ResourceConsumer) { GPIO_DIG_EJECT }
})
Name (_DSD, Package () {
ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
Package () {
Package () {
"compatible",
Package () { "gpio-keys"}
},
}
})
Device (EJCT)
{
Name (_ADR, Zero)
Name (_DSD, Package () {
ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
Package () {
/* SW_PEN_INSERTED */
Package () { "linux,code", 0xf },
/* EV_SW type */
Package () { "linux,input-type", 0x5 },
Package () { "label", "pen_eject" },
Package () { "gpios",
Package () {
^^PENH, 0, 0, 1 /* inserted active low */
}
},
}
})
}
}
}
Scope (\_SB.PCI0.I2C2)
{
Device (DIGI)
{
Name (_HID, "ACPI0C50")
Name (_CID, "PNP0C50")
Name (_UID, 1)
Name (_S0W, 4)
Name (_PRW, Package () { BOARD_DIG_EJECT, 3 })
Name (_CRS, ResourceTemplate ()
{
I2cSerialBus (
BOARD_DIG_I2C_ADDR,
ControllerInitiated,
400000,
AddressingMode7Bit,
"\\_SB.PCI0.I2C2",
)
Interrupt (ResourceConsumer, Level, ActiveLow)
{
BOARD_DIG_IRQ
}
})
/*
* Function 1 returns the offset in the I2C device register
* address space at which the HID descriptor can be read.
*
* Arg0 = UUID
* Arg1 = revision number of requested function
* Arg2 = requested function number
* Arg3 = function specific parameter
*/
Method (_DSM, 4, NotSerialized)
{
If (LEqual (Arg0, ToUUID
("3cdff6f7-4267-4555-ad05-b30a3d8938de"))) {
If (LEqual (Arg2, Zero)) {
/* Function 0 - Query */
If (LEqual (Arg1, One)) {
/* Revision 1 Function 1 */
Return (Buffer (One) { 0x03 })
} Else {
/* Revision 2+ not supported */
Return (Buffer (One) { 0x00 })
}
} ElseIf (LEqual (Arg2, One)) {
/* Function 1 - HID Descriptor Addr */
Return (0x0001)
} Else {
/* Function 2+ not supported */
Return (Buffer (One) { 0x00 })
}
} Else {
Return (Buffer (One) { 0x00 })
}
}
}
}
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