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89 lines
3.6 KiB
C++
89 lines
3.6 KiB
C++
/*-----------------------------------------*\
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| AsusAuraGPUControllerDetect.cpp |
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| Driver for ASUS Aura RGB on GPUs |
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| Jan Rettig (Klapstuhl) 14.02.2020 |
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\*-----------------------------------------*/
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#include "Detector.h"
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#include "AsusAuraGPUController.h"
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#include "RGBController.h"
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#include "RGBController_AsusAuraGPU.h"
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#include "i2c_smbus.h"
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#include <vector>
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#include <stdio.h>
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#include <stdlib.h>
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using namespace std::chrono_literals;
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/*-------------------------------------------------------------*\
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| This list contains the available I2C addresses for Aura GPUs |
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\*-------------------------------------------------------------*/
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#define AURA_GPU_ADDRESS_COUNT 3
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static const unsigned char aura_gpu_addresses[] =
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{
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0x29,
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0x2A,
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0x60
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};
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/******************************************************************************************\
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* *
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* TestForAuraGPUController *
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* *
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* Tests the given address to see if an Aura GPU controller exists there. *
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* *
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\******************************************************************************************/
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bool TestForAsusAuraGPUController(i2c_smbus_interface* bus, unsigned char address)
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{
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bool pass = false;
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unsigned char aura_gpu_magic_high = bus->i2c_smbus_read_byte_data(address, 0x20); // High Byte of magic (0x15)
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unsigned char aura_gpu_magic_low = bus->i2c_smbus_read_byte_data(address, 0x21); // Low Byte of magic (0x89)
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if((aura_gpu_magic_high << 8) + aura_gpu_magic_low == AURA_GPU_MAGIC_VAL)
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{
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pass = true;
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}
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return(pass);
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} /* TestForAuraGPUController() */
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/******************************************************************************************\
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* *
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* DetectAuraGPUControllers *
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* *
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* Detect Aura GPU controllers on the enumerated I2C busses. *
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* *
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\******************************************************************************************/
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void DetectAsusAuraGPUControllers(std::vector<i2c_smbus_interface*> &busses, std::vector<RGBController*> &rgb_controllers)
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{
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AuraGPUController* new_aura_gpu;
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RGBController_AuraGPU* new_controller;
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for (unsigned int bus = 0; bus < busses.size(); bus++)
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{
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// Add Aura-enabled GPU controllers
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for (unsigned int address_list_idx = 0; address_list_idx < AURA_GPU_ADDRESS_COUNT; address_list_idx++)
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{
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if (TestForAsusAuraGPUController(busses[bus], aura_gpu_addresses[address_list_idx]))
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{
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new_aura_gpu = new AuraGPUController(busses[bus], aura_gpu_addresses[address_list_idx]);
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new_controller = new RGBController_AuraGPU(new_aura_gpu);
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rgb_controllers.push_back(new_controller);
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}
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std::this_thread::sleep_for(1ms);
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}
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}
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} /* DetectAuraGPUControllers() */
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REGISTER_I2C_DETECTOR("ASUS Aura GPU", DetectAsusAuraGPUControllers);
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