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/* SPDX-License-Identifier: GPL-2.0-only */
#include <amdblocks/acpimmio_map.h>
#include <amdblocks/gpio_defs.h>
#include <soc/iomap.h>
/* Get pin control MMIO address */
Method (GPAD, 0x1)
{
/* Arg0 - GPIO pin number */
Return ((Arg0 * 4) + ACPIMMIO_GPIO0_BASE)
}
/* Read pin control dword */
Method (GPRD, 0x1, Serialized)
{
/* Arg0 - GPIO pin control MMIO address */
Local0 = Arg0
OperationRegion (GPDW, SystemMemory, Local0, 4)
Field (GPDW, AnyAcc, NoLock, Preserve) {
TEMP, 32
}
Return (TEMP)
}
/* Write pin control dword */
Method (GPWR, 0x2, Serialized)
{
/* Arg0 - GPIO pin control MMIO address */
/* Arg1 - Value for control register */
Local0 = Arg0
OperationRegion (GPDW, SystemMemory, Local0, 4)
Field (GPDW, AnyAcc, NoLock, Preserve) {
TEMP,32
}
TEMP = Arg1
}
/*
* Set GPIO Output Value
* Arg0 - GPIO Number
*/
Method (STXS, 1, Serialized)
{
OperationRegion (GPDW, SystemMemory, GPAD (Arg0), 4)
Field (GPDW, AnyAcc, NoLock, Preserve)
{
VAL0, 32
}
VAL0 |= GPIO_OUTPUT_VALUE
}
/*
* Clear GPIO Output Value
* Arg0 - GPIO Number
*/
Method (CTXS, 1, Serialized)
{
OperationRegion (GPDW, SystemMemory, GPAD (Arg0), 4)
Field (GPDW, AnyAcc, NoLock, Preserve)
{
VAL0, 32
}
VAL0 &= ~GPIO_OUTPUT_VALUE
}
/*
* Get GPIO Input Value
* Arg0 - GPIO Number
*/
Method (GRXS, 1, Serialized)
{
OperationRegion (GPDW, SystemMemory, GPAD (Arg0), 4)
Field (GPDW, AnyAcc, NoLock, Preserve)
{
VAL0, 32
}
Local0 = (GPIO_PIN_STS & VAL0) >> GPIO_PIN_STS_SHIFT
Return (Local0)
}
/*
* Get GPIO Output Value
* Arg0 - GPIO Number
*/
Method (GTXS, 1, Serialized)
{
OperationRegion (GPDW, SystemMemory, GPAD (Arg0), 4)
Field (GPDW, AnyAcc, NoLock, Preserve)
{
VAL0, 32
}
Local0 = (GPIO_OUTPUT_VALUE & VAL0) >> GPIO_OUTPUT_SHIFT
Return (Local0)
}
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