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LumaOps release export
2026-09-03 01:18:36 +02:00
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i2c_smbus/Windows/i2c_smbus_amdadl.cpp
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/*---------------------------------------------------------*\
| i2c_smbus_amdadl.cpp |
| |
| Definitions and types for AMD ADL I2C functions |
| |
| Niels Westphal (crashniels) 30 May 2020 |
| |
| This file is part of the OpenRGB project |
| SPDX-License-Identifier: GPL-2.0-or-later |
\*---------------------------------------------------------*/
#include <string>
#include "Detector.h"
#include "i2c_smbus_amdadl.h"
#include "LogManager.h"
#include "pci_ids.h"
typedef int ( *ADL2_MAIN_CONTROL_CREATE )(ADL_MAIN_MALLOC_CALLBACK, int, ADL_CONTEXT_HANDLE*);
typedef int ( *ADL2_MAIN_CONTROL_DESTROY )(ADL_CONTEXT_HANDLE);
typedef int ( *ADL2_ADAPTER_NUMBEROFADAPTERS_GET ) ( ADL_CONTEXT_HANDLE , int* );
typedef int ( *ADL2_ADAPTER_PRIMARY_GET) (ADL_CONTEXT_HANDLE, int* lpPrimaryAdapterIndex);
typedef int ( *ADL2_ADAPTER_ADAPTERINFOX2_GET) (ADL_CONTEXT_HANDLE, AdapterInfo**);
typedef int ( *ADL2_ADAPTER_ADAPTERINFOX4_GET) (ADL_CONTEXT_HANDLE, int iAdapterIndex, int* numAdapters, AdapterInfoX2** lppAdapterInfoX2);
typedef int ( *ADL2_DISPLAY_WRITEANDREADI2C) (ADL_CONTEXT_HANDLE, int iAdapterIndex, ADLI2C* plI2C);
ADL2_MAIN_CONTROL_CREATE ADL2_Main_Control_Create;
ADL2_MAIN_CONTROL_DESTROY ADL2_Main_Control_Destroy;
ADL2_ADAPTER_NUMBEROFADAPTERS_GET ADL2_Adapter_NumberOfAdapters_Get;
ADL2_ADAPTER_PRIMARY_GET ADL2_Adapter_Primary_Get;
ADL2_ADAPTER_ADAPTERINFOX2_GET ADL2_Adapter_AdapterInfoX2_Get;
ADL2_ADAPTER_ADAPTERINFOX4_GET ADL2_Adapter_AdapterInfoX4_Get;
ADL2_DISPLAY_WRITEANDREADI2C ADL2_Display_WriteAndReadI2C;
int LoadLibraries()
{
HINSTANCE hDLL;
hDLL = LoadLibrary("atiadlxx.dll");
if(hDLL == NULL)
{
/*---------------------------------------------------------------------*\
| A 32 bit calling application on 64 bit OS will fail to LoadLibrary. |
| Try to load the 32 bit library (atiadlxy.dll) instead |
\*---------------------------------------------------------------------*/
hDLL = LoadLibrary("atiadlxy.dll");
return ADL_ERR;
}
else
{
ADL2_Main_Control_Create = (ADL2_MAIN_CONTROL_CREATE)GetProcAddress(hDLL, "ADL2_Main_Control_Create");
ADL2_Main_Control_Destroy = (ADL2_MAIN_CONTROL_DESTROY)GetProcAddress(hDLL, "ADL2_Main_Control_Destroy");
ADL2_Adapter_NumberOfAdapters_Get = (ADL2_ADAPTER_NUMBEROFADAPTERS_GET)GetProcAddress(hDLL, "ADL2_Adapter_NumberOfAdapters_Get");
ADL2_Adapter_Primary_Get = (ADL2_ADAPTER_PRIMARY_GET)GetProcAddress(hDLL, "ADL2_Adapter_Primary_Get");
ADL2_Adapter_AdapterInfoX2_Get = (ADL2_ADAPTER_ADAPTERINFOX2_GET)GetProcAddress(hDLL, "ADL2_Adapter_AdapterInfoX2_Get");
ADL2_Adapter_AdapterInfoX4_Get = (ADL2_ADAPTER_ADAPTERINFOX4_GET)GetProcAddress(hDLL, "ADL2_Adapter_AdapterInfoX4_Get");
ADL2_Display_WriteAndReadI2C = (ADL2_DISPLAY_WRITEANDREADI2C)GetProcAddress(hDLL, "ADL2_Display_WriteAndReadI2C");
/*---------------------------------------------------------------------*\
| Only return OK if all function pointers are valid |
\*---------------------------------------------------------------------*/
if( ADL2_Main_Control_Create
&& ADL2_Main_Control_Destroy
&& ADL2_Adapter_NumberOfAdapters_Get
&& ADL2_Adapter_Primary_Get
&& ADL2_Adapter_AdapterInfoX2_Get
&& ADL2_Adapter_AdapterInfoX4_Get
&& ADL2_Display_WriteAndReadI2C)
{
return ADL_OK;
}
else
{
return ADL_ERR;
}
}
}
// Memory allocation function
void* __stdcall ADL_Main_Memory_Alloc ( int iSize )
{
void* lpBuffer = malloc ( iSize );
return lpBuffer;
}
// Optional Memory de-allocation function
void __stdcall ADL_Main_Memory_Free ( void* lpBuffer )
{
if ( NULL != lpBuffer )
{
free ( lpBuffer );
lpBuffer = NULL;
}
}
i2c_smbus_amdadl::i2c_smbus_amdadl(ADL_CONTEXT_HANDLE context, int adapter_index)
{
int num_of_devices;
AdapterInfoX2* info;
this->context = context;
if (ADL_OK != ADL2_Adapter_AdapterInfoX4_Get(context, adapter_index, &num_of_devices, &info))
{
printf("Cannot get Adapter Info!\n");
}
else
{
std::string pnp_str = info->strPNPString;
std::size_t ven_loc = pnp_str.find("VEN_");
std::size_t dev_loc = pnp_str.find("DEV_");
std::size_t sub_loc = pnp_str.find("SUBSYS_");
if((ven_loc != std::string::npos) && (dev_loc != std::string::npos) && (sub_loc != std::string::npos))
{
std::string ven_str = pnp_str.substr(ven_loc + 4, 4);
std::string dev_str = pnp_str.substr(dev_loc + 4, 4);
std::string sbv_str = pnp_str.substr(sub_loc + 11, 4);
std::string sbd_str = pnp_str.substr(sub_loc + 7, 4);
int ven_id = (int)std::stoul(ven_str, nullptr, 16);
int dev_id = (int)std::stoul(dev_str, nullptr, 16);
int sbv_id = (int)std::stoul(sbv_str, nullptr, 16);
int sbd_id = (int)std::stoul(sbd_str, nullptr, 16);
this->pci_vendor = ven_id;
this->pci_device = dev_id;
this->pci_subsystem_vendor = sbv_id;
this->pci_subsystem_device = sbd_id;
this->port_id = 1;
strcpy(this->device_name, "AMD ADL");
}
}
}
s32 i2c_smbus_amdadl::i2c_smbus_xfer(u8 addr, char read_write, u8 command, int size, i2c_smbus_data* data)
{
int PrimaryDisplay;
int ret;
int data_size = 0;
char* data_ptr;
ADLI2C* pI2C;
ADLI2C I2Cstore;
pI2C = &I2Cstore;
char i2c_buf[I2C_SMBUS_BLOCK_MAX + 8];
pI2C->iSize = sizeof(ADLI2C);
pI2C->iSpeed = 100;
pI2C->iLine = 1; //location of the Aura chip
pI2C->iAddress = addr << 1;
pI2C->iOffset = 0;
pI2C->pcData = (char*)data;
if (ADL_OK != ADL2_Adapter_Primary_Get(context, &PrimaryDisplay))
{
printf("Cannot get Display!\n");
return ADL_ERR;
}
switch (size)
{
case I2C_SMBUS_QUICK:
//garbo data
//pI2C->iDataSize = 0;
return -1;
break;
case I2C_SMBUS_BYTE:
//pI2C->iDataSize = 1;
//break;
case I2C_SMBUS_BYTE_DATA:
data_size = 1;
data_ptr = (char*)data;
break;
case I2C_SMBUS_WORD_DATA:
data_size = 2;
data_ptr = (char*)data;
break;
case I2C_SMBUS_BLOCK_DATA:
data_size = data->block[0] + 1;
data_ptr = (char*)&data->block[0];
break;
case I2C_SMBUS_I2C_BLOCK_DATA:
data_size = data->block[0];
data_ptr = (char*)&data->block[1];
break;
default:
return -1;
}
if (read_write == I2C_SMBUS_READ)
{
/* An SMBus read can be achieved by setting the offset to the command (register address) */
pI2C->iOffset = command;
pI2C->iAction = ADL_DL_I2C_ACTIONREAD;
pI2C->iDataSize = data_size;
pI2C->pcData = (char *)data_ptr;
ret = ADL2_Display_WriteAndReadI2C(context, PrimaryDisplay, pI2C);
}
else
{
/* An SMBus write has one extra byte, the register address, before the data */
pI2C->iAction = ADL_DL_I2C_ACTIONWRITE;
pI2C->iDataSize = data_size + 1;
pI2C->pcData = i2c_buf;
i2c_buf[0] = command;
memcpy(&i2c_buf[1], data_ptr, data_size);
ret = ADL2_Display_WriteAndReadI2C(context, PrimaryDisplay, pI2C);
}
return(ret);
};
s32 i2c_smbus_amdadl::i2c_xfer(u8 addr, char read_write, int* size, u8* data)
{
int PrimaryDisplay;
int ret;
int data_size = *size;
ADLI2C* pI2C;
ADLI2C I2Cstore;
pI2C = &I2Cstore;
pI2C->iSize = sizeof(ADLI2C);
pI2C->iSpeed = 100;
pI2C->iLine = 1; //location of the Aura chip
pI2C->iAddress = addr << 1;
pI2C->iOffset = 0;
pI2C->iDataSize = data_size;
if (ADL_OK != ADL2_Adapter_Primary_Get(context, &PrimaryDisplay))
{
printf("Cannot get Display!\n");
return ADL_ERR;
}
if (read_write == I2C_SMBUS_READ)
{
pI2C->iAction = ADL_DL_I2C_ACTIONREAD;
pI2C->pcData = (char*)data;
ret = ADL2_Display_WriteAndReadI2C(context, PrimaryDisplay, pI2C);
}
else
{
pI2C->iAction = ADL_DL_I2C_ACTIONWRITE;
pI2C->pcData = (char*)data;
ret = ADL2_Display_WriteAndReadI2C(context, PrimaryDisplay, pI2C);
}
return(ret);
}
bool i2c_smbus_amdadl_detect()
{
ADL_CONTEXT_HANDLE context;
if(ADL_OK == LoadLibraries())
{
if (ADL_OK != ADL2_Main_Control_Create(::ADL_Main_Memory_Alloc, 1, &context))
{
printf("Cannot get handle!\n");
return(false);
}
else
{
int num_of_devices;
AdapterInfoX2* info;
if (ADL_OK == ADL2_Adapter_AdapterInfoX4_Get(context, -1, &num_of_devices, &info))
{
int last_bus_number = -1;
for(int i = 0; i < num_of_devices; i++)
{
AdapterInfoX2 current = *(info + i);
if(last_bus_number == current.iBusNumber)
{
continue;
}
last_bus_number = current.iBusNumber;
i2c_smbus_amdadl * adl_bus = new i2c_smbus_amdadl(context, current.iAdapterIndex);
if(adl_bus->pci_vendor != AMD_GPU_VEN)
{
delete adl_bus;
continue;
}
LOG_INFO("ADL GPU Device %04X:%04X Subsystem: %04X:%04X", adl_bus->pci_vendor, adl_bus->pci_device,adl_bus->pci_subsystem_vendor,adl_bus->pci_subsystem_device);
ResourceManager::get()->RegisterI2CBus(adl_bus);
}
}
}
}
return(true);
} /* DetectAMDADLI2CBusses() */
REGISTER_I2C_BUS_DETECTOR(i2c_smbus_amdadl_detect);