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Move Super IO functionality to its own file to make it easier to write an MSI-RGB driver

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This commit is contained in:
Adam Honse 2020-02-11 19:58:13 -06:00
parent befa9baf20
commit 4672d4a686
4 changed files with 112 additions and 66 deletions
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77
super_io/super_io.cpp Normal file
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/*-----------------------------------------*\
| super_io.cpp |
| |
| Functions for interfacing with Super-IO |
| |
| Adam Honse (CalcProgrammer1) 2/11/2020 |
\*-----------------------------------------*/
#include "super_io.h"
#ifdef WIN32
#include <Windows.h>
#include "inpout32.h"
#pragma comment(lib, "inpout32.lib")
#else
#include <sys/io.h>
#endif
/******************************************************************************************\
* *
* superio_enter *
* *
* Put the Super IO chip into Extended Function Mode *
* *
\******************************************************************************************/
void superio_enter(int ioreg)
{
#ifdef WIN32
Out32(ioreg, 0x87);
Out32(ioreg, 0x87);
#else
outb_p(0x87, ioreg);
outb_p(0x87, ioreg);
#endif
}
/******************************************************************************************\
* *
* superio_outb *
* *
* Write a byte to the Super IO configuration register *
* *
\******************************************************************************************/
void superio_outb(int ioreg, int reg, int val)
{
#ifdef WIN32
Out32(ioreg, reg);
Out32(ioreg + 1, val);
#else
outb_p(reg, ioreg);
outb_p(val, ioreg + 1);
#endif
}
/******************************************************************************************\
* *
* superio_inb *
* *
* Read a byte to the Super IO configuration register *
* *
\******************************************************************************************/
int superio_inb(int ioreg, int reg)
{
#ifdef WIN32
Out32(ioreg, reg);
return Inp32(ioreg + 1);
#else
outb_p(reg, ioreg);
return inb_p(ioreg + 1);
#endif
}

31
super_io/super_io.h Normal file
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/*-----------------------------------------*\
| super_io.h |
| |
| Functions for interfacing with Super-IO |
| |
| Adam Honse (CalcProgrammer1) 2/11/2020 |
\*-----------------------------------------*/
/******************************************************************************************\
* *
* Nuvoton Super IO constants *
* *
\******************************************************************************************/
#define SIO_NCT5577_ID 0xC330 /* Device ID for NCT5577D (C333) */
#define SIO_NCT6102_ID 0x1060 /* Device ID for NCT6102D/6106D (1061) */
#define SIO_NCT6793_ID 0xd120 /* Device ID for NCT6793D (D121) */
#define SIO_NCT6795_ID 0xd350 /* Device ID for NCT6795D (D350) */
#define SIO_NCT6796_ID 0xd420 /* Device ID for NCT6796D (D421) */
#define SIO_NCT6797_ID 0xd450 /* Device ID for NCT6797D (D450) */
#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 */
void superio_enter(int ioreg);
void superio_outb(int ioreg, int reg, int val);
int superio_inb(int ioreg, int reg);