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Get SMBus base address from NCT6793D configuration registers

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This commit is contained in:
Adam Honse 2019-05-27 04:14:22 -05:00
parent 559f1e9bcc
commit 9d1745c0d0
1 changed files with 16 additions and 10 deletions
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26
OpenAuraSDK/OpenAuraSDK.cpp
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@ -39,9 +39,12 @@ std::vector<AuraController *> controllers;
std::vector<i2c_smbus_interface *> busses;
#ifdef WIN32
#define SIO_NCT6793_ID 0xd120
#define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */
#define SIO_ID_MASK 0xFFF8
#define SIO_NCT6793_ID 0xd120 /* Device ID for NCT6793D */
#define SIO_REG_LOGDEV 0x07 /* Logical Device Register */
#define SIO_REG_DEVID 0x20 /* Device ID Register */
#define SIO_REG_SMBA 0x62 /* SMBus Base Address Register */
#define SIO_LOGDEV_SMBUS 0x0B /* Logical Device for SMBus */
#define SIO_ID_MASK 0xFFF8 /* Device ID mask */
/******************************************************************************************\
* *
@ -68,6 +71,7 @@ int superio_inb(int ioreg, int reg)
bool nct_find()
{
i2c_smbus_interface* bus;
int sioaddr = 0x2E;
superio_enter(sioaddr);
@ -76,6 +80,14 @@ bool nct_find()
switch (val & SIO_ID_MASK)
{
case SIO_NCT6793_ID:
superio_outb(sioaddr, SIO_REG_LOGDEV, SIO_LOGDEV_SMBUS);
int smba = (superio_inb(sioaddr, SIO_REG_SMBA) << 8) | superio_inb(sioaddr, SIO_REG_SMBA + 1);
bus = new i2c_smbus_nuvoton_nct6793d();
sprintf(bus->device_name, "Nuvoton NCT6793D SMBus at %X", smba);
((i2c_smbus_nuvoton_nct6793d*)bus)->nuvoton_nct6793d_smba = smba;
busses.push_back(bus);
return true;
}
@ -108,13 +120,7 @@ void DetectI2CBusses()
return;
}
if (nct_find())
{
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);
}
nct_find();
// For each detected SMBus adapter, try enumerating it as either AMD or Intel
for (QueryObj &i : q_res_PnPSignedDriver)