/* | |
* This program is free software; you can redistribute it and/or modify | |
* it under the terms of the GNU General Public License as published by | |
* the Free Software Foundation; either version 2 of the License, or | |
* (at your option) any later version. | |
* This program is distributed in the hope that it will be useful, | |
* but WITHOUT ANY WARRANTY; without even the implied warranty of | |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
* GNU General Public License for more details. | |
* You should have received a copy of the GNU General Public License along | |
* with this program; if not, see <http://www.gnu.org/licenses/>. | |
*/ | |
External(MEMORY_SLOT_NOTIFY_METHOD, MethodObj) | |
Scope(\_SB.PCI0) { | |
Device(MEMORY_HOTPLUG_DEVICE) { | |
Name(_HID, "PNP0A06") | |
Name(_UID, "Memory hotplug resources") | |
External(MEMORY_SLOTS_NUMBER, IntObj) | |
/* Memory hotplug IO registers */ | |
External(MEMORY_SLOT_ADDR_LOW, FieldUnitObj) // read only | |
External(MEMORY_SLOT_ADDR_HIGH, FieldUnitObj) // read only | |
External(MEMORY_SLOT_SIZE_LOW, FieldUnitObj) // read only | |
External(MEMORY_SLOT_SIZE_HIGH, FieldUnitObj) // read only | |
External(MEMORY_SLOT_PROXIMITY, FieldUnitObj) // read only | |
External(MEMORY_SLOT_ENABLED, FieldUnitObj) // 1 if enabled, read only | |
External(MEMORY_SLOT_INSERT_EVENT, FieldUnitObj) // (read) 1 if has a insert event. (write) 1 to clear event | |
External(MEMORY_SLOT_REMOVE_EVENT, FieldUnitObj) // (read) 1 if has a remove event. (write) 1 to clear event | |
External(MEMORY_SLOT_EJECT, FieldUnitObj) // initiates device eject, write only | |
External(MEMORY_SLOT_SLECTOR, FieldUnitObj) // DIMM selector, write only | |
External(MEMORY_SLOT_OST_EVENT, FieldUnitObj) // _OST event code, write only | |
External(MEMORY_SLOT_OST_STATUS, FieldUnitObj) // _OST status code, write only | |
Method(_STA, 0) { | |
If (LEqual(MEMORY_SLOTS_NUMBER, Zero)) { | |
Return(0x0) | |
} | |
/* present, functioning, decoding, not shown in UI */ | |
Return(0xB) | |
} | |
Mutex (MEMORY_SLOT_LOCK, 0) | |
Method(MEMORY_SLOT_SCAN_METHOD, 0) { | |
If (LEqual(MEMORY_SLOTS_NUMBER, Zero)) { | |
Return(Zero) | |
} | |
Store(Zero, Local0) // Mem devs iterrator | |
Acquire(MEMORY_SLOT_LOCK, 0xFFFF) | |
while (LLess(Local0, MEMORY_SLOTS_NUMBER)) { | |
Store(Local0, MEMORY_SLOT_SLECTOR) // select Local0 DIMM | |
If (LEqual(MEMORY_SLOT_INSERT_EVENT, One)) { // Memory device needs check | |
MEMORY_SLOT_NOTIFY_METHOD(Local0, 1) | |
Store(1, MEMORY_SLOT_INSERT_EVENT) | |
} Elseif (LEqual(MEMORY_SLOT_REMOVE_EVENT, One)) { // Ejection request | |
MEMORY_SLOT_NOTIFY_METHOD(Local0, 3) | |
Store(1, MEMORY_SLOT_REMOVE_EVENT) | |
} | |
Add(Local0, One, Local0) // goto next DIMM | |
} | |
Release(MEMORY_SLOT_LOCK) | |
Return(One) | |
} | |
Method(MEMORY_SLOT_STATUS_METHOD, 1) { | |
Store(Zero, Local0) | |
Acquire(MEMORY_SLOT_LOCK, 0xFFFF) | |
Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM | |
If (LEqual(MEMORY_SLOT_ENABLED, One)) { | |
Store(0xF, Local0) | |
} | |
Release(MEMORY_SLOT_LOCK) | |
Return(Local0) | |
} | |
Method(MEMORY_SLOT_CRS_METHOD, 1, Serialized) { | |
Acquire(MEMORY_SLOT_LOCK, 0xFFFF) | |
Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM | |
Name(MR64, ResourceTemplate() { | |
QWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed, | |
Cacheable, ReadWrite, | |
0x0000000000000000, // Address Space Granularity | |
0x0000000000000000, // Address Range Minimum | |
0xFFFFFFFFFFFFFFFE, // Address Range Maximum | |
0x0000000000000000, // Address Translation Offset | |
0xFFFFFFFFFFFFFFFF, // Address Length | |
,, MW64, AddressRangeMemory, TypeStatic) | |
}) | |
CreateDWordField(MR64, 14, MINL) | |
CreateDWordField(MR64, 18, MINH) | |
CreateDWordField(MR64, 38, LENL) | |
CreateDWordField(MR64, 42, LENH) | |
CreateDWordField(MR64, 22, MAXL) | |
CreateDWordField(MR64, 26, MAXH) | |
Store(MEMORY_SLOT_ADDR_HIGH, MINH) | |
Store(MEMORY_SLOT_ADDR_LOW, MINL) | |
Store(MEMORY_SLOT_SIZE_HIGH, LENH) | |
Store(MEMORY_SLOT_SIZE_LOW, LENL) | |
// 64-bit math: MAX = MIN + LEN - 1 | |
Add(MINL, LENL, MAXL) | |
Add(MINH, LENH, MAXH) | |
If (LLess(MAXL, MINL)) { | |
Add(MAXH, One, MAXH) | |
} | |
If (LLess(MAXL, One)) { | |
Subtract(MAXH, One, MAXH) | |
} | |
Subtract(MAXL, One, MAXL) | |
If (LEqual(MAXH, Zero)){ | |
Name(MR32, ResourceTemplate() { | |
DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed, | |
Cacheable, ReadWrite, | |
0x00000000, // Address Space Granularity | |
0x00000000, // Address Range Minimum | |
0xFFFFFFFE, // Address Range Maximum | |
0x00000000, // Address Translation Offset | |
0xFFFFFFFF, // Address Length | |
,, MW32, AddressRangeMemory, TypeStatic) | |
}) | |
CreateDWordField(MR32, MW32._MIN, MIN) | |
CreateDWordField(MR32, MW32._MAX, MAX) | |
CreateDWordField(MR32, MW32._LEN, LEN) | |
Store(MINL, MIN) | |
Store(MAXL, MAX) | |
Store(LENL, LEN) | |
Release(MEMORY_SLOT_LOCK) | |
Return(MR32) | |
} | |
Release(MEMORY_SLOT_LOCK) | |
Return(MR64) | |
} | |
Method(MEMORY_SLOT_PROXIMITY_METHOD, 1) { | |
Acquire(MEMORY_SLOT_LOCK, 0xFFFF) | |
Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM | |
Store(MEMORY_SLOT_PROXIMITY, Local0) | |
Release(MEMORY_SLOT_LOCK) | |
Return(Local0) | |
} | |
Method(MEMORY_SLOT_OST_METHOD, 4) { | |
Acquire(MEMORY_SLOT_LOCK, 0xFFFF) | |
Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM | |
Store(Arg1, MEMORY_SLOT_OST_EVENT) | |
Store(Arg2, MEMORY_SLOT_OST_STATUS) | |
Release(MEMORY_SLOT_LOCK) | |
} | |
Method(MEMORY_SLOT_EJECT_METHOD, 2) { | |
Acquire(MEMORY_SLOT_LOCK, 0xFFFF) | |
Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM | |
Store(1, MEMORY_SLOT_EJECT) | |
Release(MEMORY_SLOT_LOCK) | |
} | |
} // Device() | |
} // Scope() |