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Update super_io_pawnio.cpp to add logging and update ioctls

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Adam Honse committed 2026-08-06 20:47:05 -05:00
1 parent f1d4a7c045
commit 320f755e5e
1 file changed
+53 -39
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super_io/super_io_pawnio.cpp
+53 -39
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@@ -9,15 +9,14 @@
| SPDX-License-Identifier: GPL-2.0-or-later |
\*---------------------------------------------------------*/
#include <Windows.h>
#include "i2c_smbus_pawnio.h"
#include "LogManager.h"
#include "PawnIOLib.h"
#include "super_io.h"
#include <Windows.h>
#include "PawnIOLib.h"
#include "i2c_smbus_pawnio.h"
static HANDLE pawnio_handle = NULL;
static int pawnio_chip_type = 0;
static HANDLE pawnio_handle = NULL;
static bool pawnio_superio_initialized = false;
static int addr_to_pawnio(int addr)
{
@@ -45,36 +44,41 @@ void superio_enter(int ioreg)
HRESULT status;
SIZE_T return_size;
if (pawnio_handle == NULL)
if(pawnio_handle == NULL)
{
status = i2c_smbus_pawnio::start_pawnio("LpcIO.bin", &pawnio_handle);
if (status != S_OK)
if(status != S_OK)
{
// TODO: Figure out how to handle errors
return;
}
else
{
LOG_TRACE("[superio] LpcIO loaded");
}
}
if (pawnio_chip_type == 0)
int in_reg = addr_to_pawnio(ioreg);
if(in_reg == -1)
{
int in_reg = addr_to_pawnio(ioreg);
if (in_reg == -1) {
return;
}
const SIZE_T in_size = 1;
ULONG64 in[in_size] = {(ULONG64)in_reg};
const SIZE_T out_size = 1;
ULONG64 out[out_size];
status = pawnio_execute(pawnio_handle, "ioctl_detect", in, in_size, out, out_size, &return_size);
if (status != S_OK || out[0] == 0)
{
return;
}
pawnio_chip_type = (int)out[0];
return;
}
pawnio_execute(pawnio_handle, "ioctl_enter", NULL, 0, NULL, 0, &return_size);
const SIZE_T in_size = 1;
ULONG64 in[in_size] = {(ULONG64)in_reg};
const SIZE_T out_size = 0;
ULONG64 out[1];
status = pawnio_execute(pawnio_handle, "ioctl_select_slot", in, in_size, out, out_size, &return_size);
if(status != S_OK || out[0] == 0)
{
LOG_ERROR("[superio] LpcIO ioctl_select_slot failed with status %d", status);
return;
}
superio_inb(ioreg, 0x87);
superio_inb(ioreg, 0x87);
}
@@ -88,10 +92,16 @@ void superio_enter(int ioreg)
void superio_outb([[maybe_unused]] int ioreg, int reg, int val)
{
const SIZE_T in_size = 2;
ULONG64 in[in_size] = {(ULONG64)reg, (ULONG64)val};
SIZE_T return_size;
pawnio_execute(pawnio_handle, "ioctl_write", in, in_size, NULL, 0, &return_size);
const SIZE_T in_size = 2;
ULONG64 in[in_size] = {(ULONG64)reg, (ULONG64)val};
SIZE_T return_size;
HRESULT status = pawnio_execute(pawnio_handle, "ioctl_superio_outb", in, in_size, NULL, 0, &return_size);
if(status != S_OK)
{
LOG_ERROR("[superio] LpcIO ioctl_superio_outb failed at reg %04X, value %02X with status %d", reg, val, status);
}
}
@@ -105,15 +115,19 @@ void superio_outb([[maybe_unused]] int ioreg, int reg, int val)
int superio_inb([[maybe_unused]] int ioreg, int reg)
{
const SIZE_T in_size = 1;
ULONG64 in[in_size] = {(ULONG64)reg};
const SIZE_T out_size = 1;
ULONG64 out[out_size];
SIZE_T return_size;
HRESULT status = pawnio_execute(pawnio_handle, "ioctl_read", in, in_size, out, out_size, &return_size);
if (status != S_OK)
const SIZE_T in_size = 1;
ULONG64 in[in_size] = {(ULONG64)reg};
const SIZE_T out_size = 1;
ULONG64 out[out_size];
SIZE_T return_size;
HRESULT status = pawnio_execute(pawnio_handle, "ioctl_superio_inb", in, in_size, out, out_size, &return_size);
if(status != S_OK)
{
LOG_ERROR("[superio] LpcIO ioctl_superio_inb failed at reg %04X with status %d", reg, status);
return -1;
}
return (int)out[0];
return((int)out[0]);
}