Files
OpenRGB/Controllers/EVGASMBusController/EVGASMBusControllerDetect.cpp
2024-10-15 00:24:32 +00:00

88 lines
3.9 KiB
C++

/*---------------------------------------------------------*\
| EVGASMBusControllerDetect.cpp |
| |
| Detector for SMBus EVGA ACX 30 motherboards |
| |
| Balázs Triszka (balika011) 21 May 2024 |
| |
| This file is part of the OpenRGB project |
| SPDX-License-Identifier: GPL-2.0-only |
\*---------------------------------------------------------*/
#include <vector>
#include "Detector.h"
#include "EVGAACX30SMBusController.h"
#include "LogManager.h"
#include "RGBController_EVGAACX30SMBus.h"
#include "i2c_smbus.h"
#include "pci_ids.h"
/******************************************************************************************\
* *
* TestForAcx30SMBusController *
* *
* Tests the given address to see if an EVGA ACX 30 controller exists there. *
* First does a quick write to test for a response *
* Then checks if it has 1st bit set in register 1 *
* *
\******************************************************************************************/
#define EVGA_DETECTOR_NAME "EVGA SMBus Detectector"
#define VENDOR_NAME "EVGA"
#define SMBUS_ADDRESS 0x28
bool TestForAcx30SMBusController(i2c_smbus_interface *bus, uint8_t address)
{
bool pass = false;
int res = bus->i2c_smbus_write_quick(address, I2C_SMBUS_WRITE);
if (res >= 0)
{
res = bus->i2c_smbus_read_byte_data(address, 0x01);
if (res > 0 && (res & 1))
{
pass = true;
}
}
return(pass);
} /* TestForAcx30SMBusController() */
/******************************************************************************************\
* *
* DetectAcx30SMBusControllers *
* *
* Detect EVGA ACX 30 SMBus controllers on the enumerated I2C busses at address 0x28. *
* *
\******************************************************************************************/
void DetectAcx30SMBusControllers(std::vector<i2c_smbus_interface *> &busses)
{
for(unsigned int bus = 0; bus < busses.size(); bus++)
{
IF_MOBO_SMBUS(busses[bus]->pci_vendor, busses[bus]->pci_device)
{
if(busses[bus]->pci_subsystem_vendor == EVGA_SUB_VEN)
{
LOG_DEBUG(SMBUS_CHECK_DEVICE_MESSAGE_EN, EVGA_DETECTOR_NAME, bus, VENDOR_NAME, SMBUS_ADDRESS);
// Check for ACX 30 controller at 0x28
if(TestForAcx30SMBusController(busses[bus], SMBUS_ADDRESS))
{
EVGAACX30SMBusController *controller = new EVGAACX30SMBusController(busses[bus], SMBUS_ADDRESS);
RGBController_EVGAACX30SMBus *rgb_controller = new RGBController_EVGAACX30SMBus(controller);
ResourceManager::get()->RegisterRGBController(rgb_controller);
}
}
else
{
LOG_DEBUG(SMBUS_CHECK_DEVICE_FAILURE_EN, EVGA_DETECTOR_NAME, bus, VENDOR_NAME);
}
}
}
} /* DetectAcx30SMBusControllers() */
REGISTER_I2C_DETECTOR("EVGA Motherboard SMBus Controllers", DetectAcx30SMBusControllers);