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/* SPDX-License-Identifier: GPL-2.0-only */
OperationRegion (IOID, SystemIO, 0x2E, 0x02)
Field (IOID, ByteAcc, NoLock, Preserve)
{
SIOI, 8, SIOD, 8 /* 0x2E and 0x2F */
}
IndexField (SIOI, SIOD, ByteAcc, NoLock, Preserve)
{
Offset (0x07),
LDN, 8, /* Logical Device Number */
Offset (0x20),
CID1, 8, /* Chip ID Byte 1, 0x87 */
CID2, 8, /* Chip ID Byte 2, 0x12 */
Offset (0x30),
ACTR, 8, /* Function activate */
Offset (0xF0),
APC0, 8, /* APC/PME Event Enable Register */
APC1, 8, /* APC/PME Status Register */
APC2, 8, /* APC/PME Control Register 1 */
APC3, 8, /* Environment Controller Special Configuration Register */
APC4, 8 /* APC/PME Control Register 2 */
}
/* Enter the 8728 Config */
Method (EPNP)
{
SIOI = 0x87
SIOI = 0x01
SIOI = 0x55
SIOI = 0x55
}
/* Exit the 8728 Config */
Method (XPNP)
{
SIOI = 0x02
SIOD = 0x02
}
/*
* Keyboard PME is routed to SB700 Gevent3. We can wake
* up the system by pressing the key.
*/
Method (SIOS, 1)
{
/* We only enable KBD PME for S5. */
If (Arg0 < 0x05)
{
EPNP()
/* DBGO("8728F\n") */
LDN = 0x4
ACTR = 1 /* Enable EC */
/*
LDN = 0x4
APC4 = 0x04
*/ /* falling edge. which mode? Not sure. */
LDN = 0x4
APC1 = 0x08 /* clear PME status, Use 0x18 for mouse & KBD */
LDN = 0x4
APC0 = 0x08 /* enable PME, Use 0x18 for mouse & KBD */
XPNP()
}
}
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