Publish LumaOps source

2026-09-03 01:18:36 +02:00
commit 7f1c0e5f71
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+/*---------------------------------------------------------*\
+| super_io.cpp                                              |
+|                                                           |
+|   Functions for interfacing with Super-IO                 |
+|                                                           |
+|   Adam Honse (CalcProgrammer1)                11 Feb 2020 |
+|                                                           |
+|   This file is part of the OpenRGB project                |
+|   SPDX-License-Identifier: GPL-2.0-or-later               |
+\*---------------------------------------------------------*/
+
+#include "super_io.h"
+
+#if defined(_MACOSX_X86_X64)
+#include "macUSPCIOAccess.h"
+#elif defined(_WIN32)
+#else
+#include <unistd.h>
+#include <sys/types.h>
+#include <fcntl.h>
+
+int dev_port_fd;
+#endif
+
+/******************************************************************************************\
+*                                                                                          *
+*   superio_enter                                                                          *
+*                                                                                          *
+*   Put the Super IO chip into Extended Function Mode                                      *
+*                                                                                          *
+\******************************************************************************************/
+
+void superio_enter(int ioreg)
+{
+#if defined(_MACOSX_X86_X64)
+    WriteIoPortByte(ioreg, 0x87);
+    WriteIoPortByte(ioreg, 0x87);
+#elif defined(_WIN32)
+    /*-----------------------------------------------------*\
+    | This function is not defined for Windows              |
+    |   For 64-bit Windows, super_io_pawnio.cpp is used     |
+    |   instead.  For 32-bit Windows, this function provides|
+    |   a nonfunctional stub implementation.                |
+    \*-----------------------------------------------------*/
+#else
+    unsigned char temp = 0x87;
+    dev_port_fd = open("/dev/port", O_RDWR, "rw");
+
+    if (dev_port_fd >= 0)
+    {
+        lseek(dev_port_fd, ioreg, SEEK_SET);
+        if(write(dev_port_fd, &temp, 1) == -1)
+        {
+            return;
+        }
+
+        lseek(dev_port_fd, ioreg, SEEK_SET);
+        if(write(dev_port_fd, &temp, 1) == -1)
+        {
+            return;
+        }
+
+        close(dev_port_fd);
+    }
+#endif
+}
+
+
+/******************************************************************************************\
+*                                                                                          *
+*   superio_outb                                                                           *
+*                                                                                          *
+*   Write a byte to the Super IO configuration register                                    *
+*                                                                                          *
+\******************************************************************************************/
+
+void superio_outb(int ioreg, int reg, int val)
+{
+#if defined(_MACOSX_X86_X64)
+    WriteIoPortByte(ioreg, reg);
+    WriteIoPortByte(ioreg + 1, val);
+#elif defined(_WIN32)
+    /*-----------------------------------------------------*\
+    | This function is not defined for Windows              |
+    |   For 64-bit Windows, super_io_pawnio.cpp is used     |
+    |   instead.  For 32-bit Windows, this function provides|
+    |   a nonfunctional stub implementation.                |
+    \*-----------------------------------------------------*/
+#else
+    dev_port_fd = open("/dev/port", O_RDWR, "rw");
+
+    if (dev_port_fd >= 0)
+    {
+        lseek(dev_port_fd, ioreg, SEEK_SET);
+        if(write(dev_port_fd, &reg, 1) == -1)
+        {
+            return;
+        }
+
+        if(write(dev_port_fd, &val, 1) == -1)
+        {
+            return;
+        }
+
+        close(dev_port_fd);
+    }
+#endif
+}
+
+
+/******************************************************************************************\
+*                                                                                          *
+*   superio_inb                                                                            *
+*                                                                                          *
+*   Read a byte to the Super IO configuration register                                     *
+*                                                                                          *
+\******************************************************************************************/
+
+int superio_inb(int ioreg, int reg)
+{
+#if defined(_MACOSX_X86_X64)
+    WriteIoPortByte(ioreg, reg);
+    return ReadIoPortByte(ioreg + 1);
+#elif defined(_WIN32)
+    /*-----------------------------------------------------*\
+    | This function is not defined for Windows              |
+    |   For 64-bit Windows, super_io_pawnio.cpp is used     |
+    |   instead.  For 32-bit Windows, this function provides|
+    |   a nonfunctional stub implementation.                |
+    \*-----------------------------------------------------*/
+    return -1;
+#else
+    unsigned char temp = 0;
+    dev_port_fd = open("/dev/port", O_RDWR, "rw");
+
+    if (dev_port_fd >= 0)
+    {
+        lseek(dev_port_fd, ioreg, SEEK_SET);
+        if(write(dev_port_fd, &reg, 1) == -1)
+        {
+            return -1;
+        }
+
+        if(read(dev_port_fd, &temp, 1) == -1)
+        {
+            return -1;
+        }
+
+        close(dev_port_fd);
+
+        return((int)temp);
+    }
+    else
+    {
+        return -1;
+    }
+#endif
+}