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Patch i2c_smbus_nvapi for I2C_SMBUS_I2C_BLOCK_DATA and add GPU logging

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This commit is contained in:
TheRogueZeta 2021-09-24 17:54:42 +00:00 • committed by Adam Honse
parent e8e09b3953
commit eaaed7fd83
2 changed files with 26 additions and 9 deletions
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33
i2c_smbus/i2c_smbus_nvapi.cpp
View file

@ -7,19 +7,21 @@
\*-----------------------------------------*/
#include "i2c_smbus_nvapi.h"
#include "LogManager.h"
i2c_smbus_nvapi::i2c_smbus_nvapi(NV_PHYSICAL_GPU_HANDLE handle)
{
this->handle = handle;
}
s32 i2c_smbus_nvapi::i2c_smbus_xfer(u8 addr, char read_write, u8 command, int size, i2c_smbus_data* data)
s32 i2c_smbus_nvapi::i2c_smbus_xfer(u8 addr, char read_write, u8 command, int mode, i2c_smbus_data* data)
{
NV_STATUS ret;
unsigned int unknown = 0;
NV_I2C_INFO_V3 i2c_data;
uint8_t data_buf[8];
uint8_t data_buf[I2C_SMBUS_BLOCK_MAX];
uint8_t chip_addr;
uint8_t size = data->block[0];
// Set up chip register address to command, one byte in length
chip_addr = command;
@ -42,7 +44,7 @@ s32 i2c_smbus_nvapi::i2c_smbus_xfer(u8 addr, char read_write, u8 command, int si
// Load device address
i2c_data.i2c_dev_address = (addr << 1);
switch (size)
switch (mode)
{
case I2C_SMBUS_BYTE:
// One byte of data with no register address
@ -64,9 +66,13 @@ s32 i2c_smbus_nvapi::i2c_smbus_xfer(u8 addr, char read_write, u8 command, int si
i2c_data.size = 2;
break;
case I2C_SMBUS_I2C_BLOCK_DATA:
memcpy(&data_buf[0], &(data->block[1]), size);
i2c_data.size = size;
break;
// Not supported
case I2C_SMBUS_QUICK:
case I2C_SMBUS_BLOCK_DATA:
return -1;
break;
@ -83,13 +89,23 @@ s32 i2c_smbus_nvapi::i2c_smbus_xfer(u8 addr, char read_write, u8 command, int si
{
ret = NvAPI_I2CReadEx(handle, &i2c_data, &unknown);
if(i2c_data.size == 1)
switch (mode)
{
case I2C_SMBUS_BYTE:
data->byte = i2c_data.data[0];
}
else
{
break;
case I2C_SMBUS_WORD_DATA:
data->word = (i2c_data.data[0] | (i2c_data.data[1] << 8));
break;
case I2C_SMBUS_I2C_BLOCK_DATA:
data->block[0] = i2c_data.size;
memcpy( &(data->block[1]), i2c_data.data, i2c_data.size);
break;
default:
break;
}
}
@ -127,6 +143,7 @@ void i2c_smbus_nvapi_detect()
nvapi_bus->pci_subsystem_device = sub_system_id >> 16;
nvapi_bus->pci_subsystem_vendor = sub_system_id & 0xffff;
nvapi_bus->port_id = 1;
LOG_INFO("NVIDIA GPU Device %04X:%04X Subsystem: %04X:%04X", nvapi_bus->pci_vendor, nvapi_bus->pci_device,nvapi_bus->pci_subsystem_vendor,nvapi_bus->pci_subsystem_device);
}
ResourceManager::get()->RegisterI2CBus(nvapi_bus);

2
i2c_smbus/i2c_smbus_nvapi.h
View file

@ -18,7 +18,7 @@ public:
i2c_smbus_nvapi(NV_PHYSICAL_GPU_HANDLE handle);
private:
s32 i2c_smbus_xfer(u8 addr, char read_write, u8 command, int size, i2c_smbus_data* data);
s32 i2c_smbus_xfer(u8 addr, char read_write, u8 command, int mode, i2c_smbus_data* data);
NV_PHYSICAL_GPU_HANDLE handle;
};