51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
/*---------------------------------------------------------*\
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| i2c_intel_gpu.h |
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| Bits specific to Intel GPUs to reliably detect |
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| the I2C bus that has RGB control |
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| Jan Dvořák 13 Sep 2026 |
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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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#pragma once
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#include <cstring>
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#include "i2c_smbus.h"
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#include "pci_ids.h"
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inline constexpr const char * RECOGNIZED_INTEL_I2C_BUS_NAMES[] =
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{
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/*-----------------------------------------------------*\
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| Linux Intel discrete GPU internal I2C controller |
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\*-----------------------------------------------------*/
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"Synopsys DesignWare I2C adapter",
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nullptr
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};
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inline bool is_intel_gpu_i2c_bus(const i2c_smbus_interface *bus)
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{
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if(bus->info.pci_vendor != INTEL_VEN)
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{
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return false;
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}
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const char *name;
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size_t idx = 0;
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while((name = RECOGNIZED_INTEL_I2C_BUS_NAMES[idx++]) != nullptr)
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{
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const char *pos = std::strstr(bus->info.device_name, name);
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if(pos == bus->info.device_name)
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{
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return true;
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}
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}
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return false;
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}
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