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92 lines
4.2 KiB
C++
92 lines
4.2 KiB
C++
/*---------------------------------------------------------*\
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| GigabyteRGBFusion2DRAMControllerDetect.cpp |
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| Detector for Gigabyte Aorus RGB Fusion 2 RAM |
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| Adam Honse (CalcProgrammer1) 07 Jun 2020 |
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| This file is part of the OpenRGB project |
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| SPDX-License-Identifier: GPL-2.0-only |
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\*---------------------------------------------------------*/
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#include <string>
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#include <vector>
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#include "Detector.h"
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#include "LogManager.h"
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#include "GigabyteRGBFusion2DRAMController.h"
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#include "RGBController_GigabyteRGBFusion2DRAM.h"
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#include "i2c_smbus.h"
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#include "pci_ids.h"
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/******************************************************************************************\
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* *
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* TestForGigabyteRGBFusion2DRAMController *
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* *
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* Tests the given address to see if an RGB 2 Fusion DRAMcontroller exists there. *
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* First does a quick write to test for a response *
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* *
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\******************************************************************************************/
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bool TestForGigabyteRGBFusion2DRAMController(i2c_smbus_interface* bus, unsigned char address)
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{
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bool pass = false;
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int res = bus->i2c_smbus_write_quick(address, I2C_SMBUS_WRITE);
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if(res >= 0)
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{
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bus->i2c_smbus_write_byte_data(address, 0xE1, 0x01);
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res = bus->i2c_smbus_read_word_data(address, 0xED);
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LOG_TRACE("[Gigabyte RGB Fusion 2 DRAM] Read from 0xED: 0x%04X", res);
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if(res == 0x3282)
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{
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res = bus->i2c_smbus_read_word_data(address, 0xEB);
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LOG_TRACE("[Gigabyte RGB Fusion 2 DRAM] Read from 0xEB: 0x%04X", res);
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if(res == 0x0800)
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{
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pass = true;
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}
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}
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}
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return(pass);
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} /* TestForGigabyteRGBFusion2DRAMController() */
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/***********************************************************************************************\
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* *
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* DetectGigabyteRGBFusion2DRAMControllers *
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* *
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* Detect Gigabyte RGB Fusion 2 controllers on the enumerated I2C buses at address 0x67. *
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* *
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* bus - pointer to i2c_smbus_interface where RGB Fusion device is connected *
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* dev - I2C address of RGB Fusion device *
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* *
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\***********************************************************************************************/
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void DetectGigabyteRGBFusion2DRAMControllers(std::vector<i2c_smbus_interface*>& busses)
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{
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for(unsigned int bus = 0; bus < busses.size(); bus++)
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{
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IF_DRAM_SMBUS(busses[bus]->pci_vendor, busses[bus]->pci_device)
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{
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// Check for RGB Fusion 2 DRAM controller at 0x67
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if(TestForGigabyteRGBFusion2DRAMController(busses[bus], 0x67))
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{
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RGBFusion2DRAMController* controller = new RGBFusion2DRAMController(busses[bus], 0x67);
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RGBController_RGBFusion2DRAM* rgb_controller = new RGBController_RGBFusion2DRAM(controller);
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ResourceManager::get()->RegisterRGBController(rgb_controller);
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}
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}
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}
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} /* DetectGigabyteRGBFusion2DRAMControllers() */
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REGISTER_I2C_DETECTOR("Gigabyte RGB Fusion 2 DRAM", DetectGigabyteRGBFusion2DRAMControllers);
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