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/* SPDX-License-Identifier: GPL-2.0-only */
/* ========================== UART ========================== */
/*
* Generic setup for 16550A compatible UARTs.
*
* Controlled by the following preprocessor defines:
*
* SUPERIO_CHIP_NAME The name of the Super I/O chip (unique, required)
* SUPERIO_UART_LDN The logical device number on the Super I/O
* chip for this UART (required)
* SUPERIO_UART_DDN A string literal that identifies the dos device
* name (DDN) of this uart (e.g. "COM1", optional)
* SUPERIO_UART_PM_REG Identifier of a 1-bit register to power down
* the UART (optional)
* SUPERIO_UART_PM_VAL The value for SUPERIO_UART_PM_REG to power the logical
* device down (required if SUPERIO_UART_PM_REG is defined)
* SUPERIO_UART_PM_LDN The logical device number to access the PM_REG
* bit (required if SUPERIO_UART_PM_REG is defined)
*/
#include "pnp.asl"
#ifndef SUPERIO_CHIP_NAME
# error "SUPERIO_CHIP_NAME is not defined."
#endif
#ifndef SUPERIO_UART_LDN
# error "SUPERIO_UART_LDN is not defined."
#endif
Device (SUPERIO_ID(SER, SUPERIO_UART_LDN)) {
Name (_HID, EisaId ("PNP0501"))
Name (_UID, SUPERIO_UID(SER, SUPERIO_UART_LDN))
#ifdef SUPERIO_UART_DDN
Name (_DDN, SUPERIO_UART_DDN)
#endif
Method (_STA)
{
PNP_GENERIC_STA(SUPERIO_UART_LDN)
}
Method (_DIS)
{
PNP_GENERIC_DIS(SUPERIO_UART_LDN)
}
#ifdef SUPERIO_UART_PM_REG
Method (_PSC) {
PNP_GENERIC_PSC(SUPERIO_UART_PM_REG, SUPERIO_UART_PM_VAL, SUPERIO_UART_PM_LDN)
}
Method (_PS0) {
PNP_GENERIC_PS0(SUPERIO_UART_PM_REG, SUPERIO_UART_PM_VAL, SUPERIO_UART_PM_LDN)
}
Method (_PS3) {
PNP_GENERIC_PS3(SUPERIO_UART_PM_REG, SUPERIO_UART_PM_VAL, SUPERIO_UART_PM_LDN)
}
#else
Method (_PSC) {
PNP_DEFAULT_PSC
}
#endif
Method (_CRS, 0, Serialized)
{
Name (CRS, ResourceTemplate () {
IO (Decode16, 0x0000, 0x0000, 0x08, 0x08, IO0)
IRQNoFlags (IR0) {}
})
ENTER_CONFIG_MODE (SUPERIO_UART_LDN)
PNP_READ_IO(PNP_IO0, CRS, IO0)
PNP_READ_IRQ(PNP_IRQ0, CRS, IR0)
EXIT_CONFIG_MODE ()
Return (CRS)
}
Name (_PRS, ResourceTemplate ()
{
StartDependentFn (0,0) {
IO (Decode16, 0x03f8, 0x03f8, 0x08, 0x08)
IRQNoFlags () {3,4,5,7,9,10,11,12}
}
StartDependentFn (0,0) {
IO (Decode16, 0x02f8, 0x02f8, 0x08, 0x08)
IRQNoFlags () {3,4,5,7,9,10,11,12}
}
StartDependentFn (1,0) {
IO (Decode16, 0x03e8, 0x03e8, 0x08, 0x08)
IRQNoFlags () {3,4,5,7,9,10,11,12}
}
StartDependentFn (1,0) {
IO (Decode16, 0x02e8, 0x02e8, 0x08, 0x08)
IRQNoFlags () {3,4,5,7,9,10,11,12}
}
StartDependentFn (2,0) {
IO (Decode16, 0x0100, 0x0ff8, 0x08, 0x08)
IRQNoFlags () {3,4,5,7,9,10,11,12}
}
EndDependentFn()
})
Method (_SRS, 1, Serialized)
{
Name (TMPL, ResourceTemplate () {
IO (Decode16, 0x0000, 0x0000, 0x00, 0x00, IO0)
IRQNoFlags (IR0) {}
})
ENTER_CONFIG_MODE (SUPERIO_UART_LDN)
PNP_WRITE_IO(PNP_IO0, Arg0, IO0)
PNP_WRITE_IRQ(PNP_IRQ0, Arg0, IR0)
Store (One, PNP_DEVICE_ACTIVE)
EXIT_CONFIG_MODE ()
}
}
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