WIP Galax RTX GPU support

Setting RGB values works. Modes still unknown.

Controllers/GalaxGPUController/GalaxGPUController.cpp

@@ -0,0 +1,86 @@
+/*-----------------------------------------*\
+|  GalaxGPUController.cpp                   |
+|                                           |
+|  Driver for Galax / KFA2 RGB on GPUs      |
+|                                           |
+|  Niels Westphal (crashniels)  12.07.2020  |
+\*-----------------------------------------*/
+
+#include "GalaxGPUController.h"
+#include <cstring>
+
+GalaxGPUController::GalaxGPUController(i2c_smbus_interface* bus, galax_gpu_dev_id dev)
+{
+    this->bus = bus;
+    this->dev = dev;
+
+    strcpy(device_name, "Galax RTX GPU");                                               // Would be nice to get the actual GPU name. Using this as a placeholder.
+}
+
+GalaxGPUController::~GalaxGPUController()
+{
+
+}
+
+std::string GalaxGPUController::GetDeviceName()
+{
+    return(device_name);
+}
+
+std::string GalaxGPUController::GetDeviceLocation()
+{
+    std::string return_string(bus->device_name);
+    char addr[5];
+    snprintf(addr, 5, "0x%02X", dev);
+    return_string.append(", address ");
+    return_string.append(addr);
+    return(return_string);
+}
+
+unsigned char GalaxGPUController::GetLEDRed()
+{
+    return(GalaxGPURegisterRead(GALAX_RED_REGISTER));
+}
+
+unsigned char GalaxGPUController::GetLEDGreen()
+{
+    return(GalaxGPURegisterRead(GALAX_GREEN_REGISTER));
+}
+
+unsigned char GalaxGPUController::GetLEDBlue()
+{
+    return(GalaxGPURegisterRead(GALAX_BLUE_REGISTER));
+}
+
+void GalaxGPUController::SetLEDColorsDirect(unsigned char red, unsigned char green, unsigned char blue)                  // Direct Mode is just Static Mode without applying color changes
+{
+    GalaxGPURegisterWrite(GALAX_RED_REGISTER, red);
+    GalaxGPURegisterWrite(GALAX_GREEN_REGISTER, green);
+    GalaxGPURegisterWrite(GALAX_BLUE_REGISTER, blue);
+}
+
+void GalaxGPUController::SetLEDColorsEffect(unsigned char red, unsigned char green, unsigned char blue)
+{
+    GalaxGPURegisterWrite(GALAX_RED_REGISTER, red);
+    GalaxGPURegisterWrite(GALAX_GREEN_REGISTER, green);
+    GalaxGPURegisterWrite(GALAX_BLUE_REGISTER, blue);
+}
+
+void GalaxGPUController::SetMode(unsigned char mode)
+{
+    //not researched yet
+
+    /*
+    GalaxGPURegisterWrite(GALAX_MODE_REGISTER, mode);
+    */
+}
+
+unsigned char GalaxGPUController::GalaxGPURegisterRead(unsigned char reg)
+{
+    return(bus->i2c_smbus_read_byte_data(dev, reg));
+}
+
+void GalaxGPUController::GalaxGPURegisterWrite(unsigned char reg, unsigned char val)
+{
+    bus->i2c_smbus_write_byte_data(dev, reg, val);
+}

Controllers/GalaxGPUController/GalaxGPUController.h

@@ -0,0 +1,53 @@
+/*-----------------------------------------*\
+|  GalaxGPUController.h                     |
+|                                           |
+|  Driver for Galax / KFA2 RGB on GPUs      |
+|                                           |
+|  Niels Westphal (crashniels)  12.07.2020  |
+\*-----------------------------------------*/
+
+#include <string>
+#include "i2c_smbus.h"
+
+#pragma once
+
+typedef unsigned char galax_gpu_dev_id;
+
+enum
+{
+    GALAX_RED_REGISTER                      = 0x02, /* Red Register */
+    GALAX_GREEN_REGISTER                    = 0x03, /* Green Register */
+    GALAX_BLUE_REGISTER                     = 0x04, /* Blue Register */
+    //GALAX_MODE_REGISTER                     = 0x07, /* Mode Register */
+};
+
+enum
+{
+    //GALAX_MODE_STATIC                       = 0x04,
+};
+
+class GalaxGPUController
+{
+public:
+    GalaxGPUController(i2c_smbus_interface* bus, galax_gpu_dev_id);
+    ~GalaxGPUController();
+
+    std::string   GetDeviceName();
+    std::string   GetDeviceLocation();
+    unsigned char GetLEDRed();
+    unsigned char GetLEDGreen();
+    unsigned char GetLEDBlue();
+    void          SetLEDColorsDirect(unsigned char red, unsigned char green, unsigned char blue);
+    void          SetLEDColorsEffect(unsigned char red, unsigned char green, unsigned char blue);
+    void          SetMode(unsigned char mode);
+
+    unsigned char GalaxGPURegisterRead(unsigned char reg);
+    void          GalaxGPURegisterWrite(unsigned char reg, unsigned char val);
+
+    bool          direct = false;                                                // Temporary solution to check if we are in "Direct" mode
+
+private:
+    char                    device_name[16];
+    i2c_smbus_interface *   bus;
+    galax_gpu_dev_id        dev;
+};

Controllers/GalaxGPUController/GalaxGPUControllerDetect.cpp

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+/*-----------------------------------------*\
+|  GalaxGPUControllerDetect.cpp             |
+|                                           |
+|  Driver for Galax / KFA2 RGB on GPUs      |
+|                                           |
+|  Niels Westphal (crashniels)  12.07.2020  |
+\*-----------------------------------------*/
+
+#include "GalaxGPUController.h"
+#include "RGBController.h"
+#include "RGBController_GalaxGPU.h"
+#include "i2c_smbus.h"
+#include <vector>
+#include <stdio.h>
+#include <stdlib.h>
+
+using namespace std::chrono_literals;
+
+
+/******************************************************************************************\
+*                                                                                          *
+*   TestForGalaxGPUController                                                              *
+*                                                                                          *
+*       Tests the given address to see if a Galax GPU controller exists there.             *
+*                                                                                          *
+\******************************************************************************************/
+
+bool TestForGalaxGPUController(i2c_smbus_interface* bus, unsigned char address)
+{
+    bool pass = false;
+
+    unsigned char res = bus->i2c_smbus_read_byte_data(address, 0x00);
+
+    if(res == 0x10 || res == 0x27) //Windows reads 0x10, Linux reads 0x27 which is correct as 0x10 is at 0x01
+    {
+        pass = true;
+    }
+
+    return(pass);
+
+}   /* TestForGalaxGPUController() */
+
+
+/******************************************************************************************\
+*                                                                                          *
+*   DetectGalaxGPUControllers                                                              *
+*                                                                                          *
+*       Detect Galax GPU controllers on the enumerated I2C busses.                         *
+*                                                                                          *
+\******************************************************************************************/
+
+void DetectGalaxGPUControllers(std::vector<i2c_smbus_interface*> &busses, std::vector<RGBController*> &rgb_controllers)
+{
+    GalaxGPUController* new_GalaxGPU;
+    RGBController_GalaxGPU* new_controller;
+
+    for (unsigned int bus = 0; bus < busses.size(); bus++)
+    {
+        // Check for GALAX controller at 0x23
+        if (TestForGalaxGPUController(busses[bus], 0x23))
+        {
+            new_GalaxGPU = new GalaxGPUController(busses[bus], 0x23);
+            new_controller = new RGBController_GalaxGPU(new_GalaxGPU);
+            rgb_controllers.push_back(new_controller);
+        }
+    }
+
+} /* DetectGalaxGPUControllers() */