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Initial SMBus driver for Nuvoton NCT6793D Super IO chip used on Prime Z270-A (and other Intel boards)

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This commit is contained in:
Adam Honse 2019-05-20 22:21:10 -05:00
parent 73d91b9494
commit fe7d7df29b
6 changed files with 242 additions and 5 deletions
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6
OpenAuraSDK/OpenAuraSDK.cpp
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@ -20,6 +20,7 @@
#include "I2CDetectDialog.h"
#include "i2c_smbus_piix4.h"
#include "i2c_smbus_i801.h"
#include "i2c_smbus_nuvoton_nct6793d.h"
#include "wmi.h"
#else /* WIN32 */
@ -62,6 +63,11 @@ void DetectI2CBusses()
return;
}
//bus = new i2c_smbus_nuvoton_nct6793d();
//strcpy(bus->device_name, "Nuvoton NCT6793D");
//((i2c_smbus_nuvoton_nct6793d *)bus)->nuvoton_nct6793d_smba = 0x02C0;
//busses.push_back(bus);
// For each detected SMBus adapter, try enumerating it as either AMD or Intel
for (QueryObj &i : q_res_PnPSignedDriver)
{

12
OpenAuraSDK/OpenAuraSDK.vcxproj
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@ -23,20 +23,20 @@
<ProjectGuid>{6D22BFF3-C1DF-407A-8816-05D63919A991}</ProjectGuid>
<Keyword>Win32Proj</Keyword>
<RootNamespace>OpenAuraSDK</RootNamespace>
<WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
<WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<PlatformToolset>v141</PlatformToolset>
<PlatformToolset>v142</PlatformToolset>
<CharacterSet>Unicode</CharacterSet>
<UseOfMfc>Dynamic</UseOfMfc>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>false</UseDebugLibraries>
<PlatformToolset>v141</PlatformToolset>
<PlatformToolset>v142</PlatformToolset>
<WholeProgramOptimization>true</WholeProgramOptimization>
<CharacterSet>Unicode</CharacterSet>
<UseOfMfc>Dynamic</UseOfMfc>
@ -44,14 +44,14 @@
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<PlatformToolset>v141</PlatformToolset>
<PlatformToolset>v142</PlatformToolset>
<CharacterSet>Unicode</CharacterSet>
<UseOfMfc>Dynamic</UseOfMfc>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>false</UseDebugLibraries>
<PlatformToolset>v141</PlatformToolset>
<PlatformToolset>v142</PlatformToolset>
<WholeProgramOptimization>true</WholeProgramOptimization>
<CharacterSet>Unicode</CharacterSet>
<UseOfMfc>Dynamic</UseOfMfc>
@ -181,6 +181,7 @@
<ClInclude Include="I2CDetectDialog.h" />
<ClInclude Include="i2c_smbus.h" />
<ClInclude Include="i2c_smbus_i801.h" />
<ClInclude Include="i2c_smbus_nuvoton_nct6793d.h" />
<ClInclude Include="i2c_smbus_piix4.h" />
<ClInclude Include="OpenAuraSDK.h" />
<ClInclude Include="OpenAuraSDKDialog.h" />
@ -193,6 +194,7 @@
<ClCompile Include="I2CDetectDialog.cpp" />
<ClCompile Include="i2c_smbus.cpp" />
<ClCompile Include="i2c_smbus_i801.cpp" />
<ClCompile Include="i2c_smbus_nuvoton_nct6793d.cpp" />
<ClCompile Include="i2c_smbus_piix4.cpp" />
<ClCompile Include="OpenAuraSDKDialog.cpp" />
<ClCompile Include="wmi.cpp" />

6
OpenAuraSDK/OpenAuraSDK.vcxproj.filters
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@ -42,6 +42,9 @@
<ClInclude Include="I2CDetectDialog.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="i2c_smbus_nuvoton_nct6793d.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="OpenAuraSDK.cpp">
@ -71,6 +74,9 @@
<ClCompile Include="I2CDetectDialog.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="i2c_smbus_nuvoton_nct6793d.cpp">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ResourceCompile Include="Resource.rc">

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OpenAuraSDK/Resource.rc
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171
OpenAuraSDK/i2c_smbus_nuvoton_nct6793d.cpp Normal file
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@ -0,0 +1,171 @@
/*-----------------------------------------*\
| i2c_smbus_nuvoton_nct6793d.cpp |
| |
| Nuvoton NCT6793D SMBUS driver for Windows|
| |
| Adam Honse (CalcProgrammer1) 5/19/2019 |
\*-----------------------------------------*/
#include "i2c_smbus_nuvoton_nct6793d.h"
#include <Windows.h>
#include "inpout32.h"
#pragma comment(lib, "inpout32.lib")
s32 i2c_smbus_nuvoton_nct6793d::nct6793d_access(u16 addr, char read_write, u8 command, int size, i2c_smbus_data *data)
{
int i, len, status, cnt;
Out32(SMBHSTCTL, NCT6793D_SOFT_RESET);
switch (size)
{
case I2C_SMBUS_QUICK:
Out32(SMBHSTADD, (addr << 1) | read_write);
break;
case I2C_SMBUS_BYTE:
case I2C_SMBUS_BYTE_DATA:
Out32(SMBHSTADD, (addr << 1) | read_write);
Out32(SMBHSTIDX, command);
if (read_write == I2C_SMBUS_WRITE)
{
Out32(SMBHSTDAT, data->byte);
Out32(SMBHSTCMD, NCT6793D_WRITE_BYTE);
}
else
{
Out32(SMBHSTCMD, NCT6793D_READ_BYTE);
}
break;
case I2C_SMBUS_WORD_DATA:
Out32(SMBHSTADD, (addr << 1) | read_write);
Out32(SMBHSTIDX, command);
if (read_write == I2C_SMBUS_WRITE)
{
Out32(SMBHSTDAT, data->word & 0xFF);
Out32(SMBHSTDAT, (data->word & 0xFF00) >> 8);
Out32(SMBHSTCMD, NCT6793D_WRITE_WORD);
}
else
{
Out32(SMBHSTCMD, NCT6793D_READ_WORD);
}
break;
case I2C_SMBUS_BLOCK_DATA:
Out32(SMBHSTADD, (addr << 1) | read_write);
Out32(SMBHSTIDX, command);
if (read_write == I2C_SMBUS_WRITE)
{
len = data->block[0];
if (len == 0 || len > I2C_SMBUS_BLOCK_MAX)
{
return -EINVAL;
}
Out32(SMBBLKSZ, len);
//Load 4 bytes into FIFO
cnt = 1;
if (len >= 4)
{
for (i = cnt; i <= 4; i++)
{
Out32(SMBHSTDAT, data->block[i]);
}
len -= 4;
cnt += 4;
}
else
{
for (i = cnt; i <= len; i++)
{
Out32(SMBHSTDAT, data->block[i]);
}
len = 0;
}
Out32(SMBHSTCMD, NCT6793D_WRITE_BLOCK);
}
else
{
Out32(SMBHSTCMD, NCT6793D_READ_BLOCK);
}
break;
default:
return -EOPNOTSUPP;
}
Out32(SMBHSTCTL, NCT6793D_MANUAL_START);
while ((size == I2C_SMBUS_BLOCK_DATA) && (len > 0))
{
if (read_write == I2C_SMBUS_WRITE)
{
while ((Inp32(SMBHSTSTS) & NCT6793D_FIFO_EMPTY) == 0);
//Load more bytes into FIFO
if (len >= 4)
{
for (i = cnt; i <= 4; i++)
{
Out32(SMBHSTDAT, data->block[i]);
}
len -= 4;
cnt += 4;
}
else
{
for (i = cnt; i <= len; i++)
{
Out32(SMBHSTDAT, data->block[i]);
}
len = 0;
}
}
}
//wait for manual mode to complete
while ((Inp32(SMBHSTSTS) & NCT6793D_MANUAL_ACTIVE) != 0);
if ((Inp32(SMBHSTERR) & NCT6793D_NO_ACK) != 0)
{
return -EPROTO;
}
else if ((read_write == I2C_SMBUS_WRITE) || (size == I2C_SMBUS_QUICK))
{
return 0;
}
switch (size)
{
case I2C_SMBUS_QUICK:
case I2C_SMBUS_BYTE_DATA:
data->byte = (u8)Inp32(SMBHSTDAT);
break;
case I2C_SMBUS_WORD_DATA:
data->word = Inp32(SMBHSTDAT) + (Inp32(SMBHSTDAT) << 8);
break;
case I2C_SMBUS_BLOCK_DATA:
data->block[0] = (u8)Inp32(SMBHSTDAT);
if (data->block[0] == 0 || data->block[0] > I2C_SMBUS_BLOCK_MAX)
{
return -EPROTO;
}
Inp32(SMBBLKSZ);
for (i = 1; i <= data->block[0]; i++)
{
data->block[i] = (u8)Inp32(SMBHSTDAT);
}
break;
}
return 0;
}
s32 i2c_smbus_nuvoton_nct6793d::i2c_smbus_xfer(u8 addr, char read_write, u8 command, int size, i2c_smbus_data* data)
{
return nct6793d_access(addr, read_write, command, size, data);
}

52
OpenAuraSDK/i2c_smbus_nuvoton_nct6793d.h Normal file
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@ -0,0 +1,52 @@
/*-----------------------------------------*\
| i2c_smbus_nuvoton_nct6793d.h |
| |
| Nuvoton NCT6793D SMBUS driver for Windows|
| |
| Adam Honse (CalcProgrammer1) 5/19/2019 |
\*-----------------------------------------*/
#include "i2c_smbus.h"
#pragma once
#define SMBHSTDAT (0 + nuvoton_nct6793d_smba)
#define SMBBLKSZ (1 + nuvoton_nct6793d_smba)
#define SMBHSTCMD (2 + nuvoton_nct6793d_smba)
#define SMBHSTIDX (3 + nuvoton_nct6793d_smba) //Index field is the Command field on other controllers
#define SMBHSTCTL (4 + nuvoton_nct6793d_smba)
#define SMBHSTADD (5 + nuvoton_nct6793d_smba)
#define SMBHSTERR (9 + nuvoton_nct6793d_smba)
#define SMBHSTSTS (0xE + nuvoton_nct6793d_smba)
/* Command register */
#define NCT6793D_READ_BYTE 0
#define NCT6793D_READ_WORD 1
#define NCT6793D_READ_BLOCK 2
#define NCT6793D_BLOCK_WRITE_READ_PROC_CALL 3
#define NCT6793D_PROC_CALL 4
#define NCT6793D_WRITE_BYTE 8
#define NCT6793D_WRITE_WORD 9
#define NCT6793D_WRITE_BLOCK 10
/* Control register */
#define NCT6793D_MANUAL_START 128
#define NCT6793D_SOFT_RESET 64
/* Error register */
#define NCT6793D_NO_ACK 32
/* Status register */
#define NCT6793D_MANUAL_ACTIVE 4
#define NCT6793D_FIFO_EMPTY 1
class i2c_smbus_nuvoton_nct6793d : public i2c_smbus_interface
{
public:
u16 nuvoton_nct6793d_smba = 0x0290;
private:
s32 nct6793d_access(u16 addr, char read_write, u8 command, int size, i2c_smbus_data *data);
s32 i2c_smbus_xfer(u8 addr, char read_write, u8 command, int size, i2c_smbus_data* data);
};