mirror of
https://github.com/CalcProgrammer1/OpenRGB.git
synced 2025-12-23 23:37:48 -05:00
150 lines
3.4 KiB
C++
150 lines
3.4 KiB
C++
/*---------------------------------------------------------*\
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| SPDAccessor.cpp |
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| Access to SPD information on various DIMMs |
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| Milan Cermak (krysmanta) 09 Nov 2024 |
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| This file is part of the OpenRGB project |
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| SPDX-License-Identifier: GPL-2.0-or-later |
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\*---------------------------------------------------------*/
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#include "DDR4DirectAccessor.h"
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#include "DDR5DirectAccessor.h"
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#include "LogManager.h"
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#include "SPDAccessor.h"
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#ifdef __linux__
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#include "EE1004Accessor_Linux.h"
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#include "SPD5118Accessor_Linux.h"
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#endif
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using namespace std::chrono_literals;
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const char *spd_memory_type_name[] =
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{
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"Reserved",
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"FPM",
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"EDO",
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"Nibble",
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"SDR",
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"Multiplex ROM",
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"DDR",
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"DDR",
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"DDR2",
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"FB",
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"FB Probe",
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"DDR3",
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"DDR4",
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"Reserved",
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"DDR4e",
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"LPDDR3",
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"LPDDR4",
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"LPDDR4X",
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"DDR5",
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"LPDDR5"
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};
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SPDAccessor::SPDAccessor(i2c_smbus_interface *bus, uint8_t spd_addr)
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{
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this->bus = bus;
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this->address = spd_addr;
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}
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SPDAccessor::~SPDAccessor()
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{
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}
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SPDAccessor *SPDAccessor::for_memory_type(SPDMemoryType type, i2c_smbus_interface *bus, uint8_t spd_addr)
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{
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/*-----------------------------------------------------*\
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| DDR4 can use DDR4DirectAccessor or EE1004Accessor |
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\*-----------------------------------------------------*/
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if(type == SPD_DDR4_SDRAM)
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{
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#ifdef __linux__
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if(EE1004Accessor::isAvailable(bus, spd_addr))
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{
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return(new EE1004Accessor(bus, spd_addr));
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}
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#endif
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return(new DDR4DirectAccessor(bus, spd_addr));
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}
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/*-----------------------------------------------------*\
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| DDR5 can use DDR5DirectAccessor or SPD5118Accessor |
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\*-----------------------------------------------------*/
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if(type == SPD_DDR5_SDRAM)
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{
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#ifdef __linux__
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if(SPD5118Accessor::isAvailable(bus, spd_addr))
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{
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return(new SPD5118Accessor(bus, spd_addr));
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}
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#endif
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return(new DDR5DirectAccessor(bus, spd_addr));
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}
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return(nullptr);
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};
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/*---------------------------------------------------------*\
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| Internal implementation for specific memory type. |
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\*---------------------------------------------------------*/
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DDR4Accessor::DDR4Accessor(i2c_smbus_interface *bus, uint8_t spd_addr)
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: SPDAccessor(bus, spd_addr)
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{
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}
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DDR4Accessor::~DDR4Accessor()
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{
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}
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SPDMemoryType DDR4Accessor::memory_type()
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{
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return((SPDMemoryType)(this->at(0x02)));
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}
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uint16_t DDR4Accessor::jedec_id()
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{
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return((this->at(0x140) << 8) + (this->at(0x141) & 0x7f) - 1);
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}
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uint8_t DDR4Accessor::manufacturer_data(uint16_t index)
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{
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if(index > 28)
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{
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return 0;
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}
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return this->at(0x161 + index);
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}
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DDR5Accessor::DDR5Accessor(i2c_smbus_interface *bus, uint8_t spd_addr)
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: SPDAccessor(bus, spd_addr)
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{
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}
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DDR5Accessor::~DDR5Accessor()
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{
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}
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SPDMemoryType DDR5Accessor::memory_type()
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{
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return((SPDMemoryType)(this->at(0x02)));
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}
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uint16_t DDR5Accessor::jedec_id()
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{
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return((this->at(0x200) << 8) + (this->at(0x201) & 0x7f) - 1);
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}
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uint8_t DDR5Accessor::manufacturer_data(uint16_t index)
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{
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if(index > 84)
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{
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return 0;
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}
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return this->at(0x22B + index);
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}
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