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/* SPDX-License-Identifier: GPL-2.0-only */
#include <intelblocks/xhci.h>
/*
* USB Port Wake Enable (UPWE) on usb attach/detach
* Arg0 - Port Number
* Arg1 - Port 1 Status and control offset
* Arg2 - xHCI Memory-mapped address
*/
Method (UPWE, 3, Serialized)
{
Local0 = Arg1 + ((Arg0 - 1) * 0x10)
/* Map ((XMEM << 16) + Local0 in PSCR */
OperationRegion (PSCR, SystemMemory, (Arg2 << 16) + Local0, 0x10)
Field (PSCR, DWordAcc, NoLock, Preserve)
{
PSCT, 32,
}
Local0 = PSCT
Local0 &= PORTSCN_BITS_OFF_MASK
Local0 |= PORTSCN_WAKE_ON_BOTH_CONNECT_DISCONNECT_ENABLE
PSCT = Local0
}
/*
* USB Wake Enable Setup (UWES)
* Arg0 - Port enable bitmap
* Arg1 - Port 1 Status and control offset
* Arg2 - xHCI Memory-mapped address
*/
Method (UWES, 3, Serialized)
{
Local0 = Arg0
While (1) {
FindSetRightBit (Local0, Local1)
If (Local1 == 0) {
Break
}
UPWE (Local1, Arg1, Arg2)
/*
* Clear the lowest set bit in Local0 since it was
* processed.
*/
Local0 &= (Local0 - 1)
}
}
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