From 7129693a264e033c78077b74392f1692f79b6514 Mon Sep 17 00:00:00 2001
From: alex <alex@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Sat, 2 Feb 2002 07:05:52 +0000
Subject: added support for dhahelper

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4475 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 libdha/sysdep/AsmMacros_x86.h | 94 +++++++++++++++++++++++++++++++++++++++++++
 libdha/sysdep/pci_linux.c     | 23 +++++++++++
 2 files changed, 117 insertions(+)

(limited to 'libdha/sysdep')

diff --git a/libdha/sysdep/AsmMacros_x86.h b/libdha/sysdep/AsmMacros_x86.h
index 9b9719c17a..c10f24f2dd 100644
--- a/libdha/sysdep/AsmMacros_x86.h
+++ b/libdha/sysdep/AsmMacros_x86.h
@@ -11,24 +11,92 @@
 #error This stuff is not ported on your system
 #else
 
+#include "config.h"
+
+#ifdef CONFIG_DHAHELPER
+#include <sys/ioctl.h>
+#include "../kernelhelper/dhahelper.h"
+
+extern int dhahelper_fd;
+extern int dhahelper_initialized;
+#endif
+
 static __inline__ void outb(short port,char val)
 {
+#ifdef CONFIG_DHAHELPER
+    if (dhahelper_initialized == 1)
+    {
+	dhahelper_port_t _port;
+	
+	_port.operation = PORT_OP_WRITE;
+	_port.addr = port;
+	_port.size = 1;
+	_port.value = val;
+        if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
+	    return;
+    }
+    else
+#endif
    __asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port));
+    return;
 }
 
 static __inline__ void outw(short port,short val)
 {
+#ifdef CONFIG_DHAHELPER
+    if (dhahelper_initialized == 1)
+    {
+	dhahelper_port_t _port;
+	
+	_port.operation = PORT_OP_WRITE;
+	_port.addr = port;
+	_port.size = 2;
+	_port.value = val;
+        if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
+	    return;
+    }
+    else
+#endif
    __asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port));
+    return;
 }
 
 static __inline__ void outl(short port,unsigned int val)
 {
+#ifdef CONFIG_DHAHELPER
+    if (dhahelper_initialized == 1)
+    {
+	dhahelper_port_t _port;
+	
+	_port.operation = PORT_OP_WRITE;
+	_port.addr = port;
+	_port.size = 4;
+	_port.value = val;
+        if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
+	    return;
+    }
+    else
+#endif
    __asm__ __volatile__("outl %0,%1" : :"a" (val), "d" (port));
+    return;
 }
 
 static __inline__ unsigned int inb(short port)
 {
    unsigned char ret;
+#ifdef CONFIG_DHAHELPER
+    if (dhahelper_initialized == 1)
+    {
+	dhahelper_port_t _port;
+	
+	_port.operation = PORT_OP_READ;
+	_port.addr = port;
+	_port.size = 1;
+        if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
+	    return _port.value;
+    }
+    else
+#endif
    __asm__ __volatile__("inb %1,%0" :
        "=a" (ret) :
        "d" (port));
@@ -38,6 +106,19 @@ static __inline__ unsigned int inb(short port)
 static __inline__ unsigned int inw(short port)
 {
    unsigned short ret;
+#ifdef CONFIG_DHAHELPER
+    if (dhahelper_initialized == 1)
+    {
+	dhahelper_port_t _port;
+	
+	_port.operation = PORT_OP_READ;
+	_port.addr = port;
+	_port.size = 2;
+        if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
+	    return _port.value;
+    }
+    else
+#endif
    __asm__ __volatile__("inw %1,%0" :
        "=a" (ret) :
        "d" (port));
@@ -47,6 +128,19 @@ static __inline__ unsigned int inw(short port)
 static __inline__ unsigned int inl(short port)
 {
    unsigned int ret;
+#ifdef CONFIG_DHAHELPER
+    if (dhahelper_initialized == 1)
+    {
+	dhahelper_port_t _port;
+	
+	_port.operation = PORT_OP_READ;
+	_port.addr = port;
+	_port.size = 4;
+        if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
+	    return _port.value;
+    }
+    else
+#endif
    __asm__ __volatile__("inl %1,%0" :
        "=a" (ret) :
        "d" (port));
diff --git a/libdha/sysdep/pci_linux.c b/libdha/sysdep/pci_linux.c
index f4b46990a4..9382ebf2dc 100644
--- a/libdha/sysdep/pci_linux.c
+++ b/libdha/sysdep/pci_linux.c
@@ -10,8 +10,26 @@
 #include <sys/io.h>
 #endif
 
+#include "config.h"
+
+#ifdef CONFIG_DHAHELPER
+#include <fcntl.h>
+int dhahelper_initialized = 0;
+int dhahelper_fd = 0;
+#endif
+
 static __inline__ int enable_os_io(void)
 {
+#ifdef CONFIG_DHAHELPER
+    dhahelper_fd = open("/dev/dhahelper", O_RDWR);
+    if (dhahelper_fd > 0)
+    {
+	dhahelper_initialized = 1;
+	return(0);
+    }
+    dhahelper_initialized = -1;
+#endif
+
     if (iopl(3) != 0)
 	return(errno);
     return(0);
@@ -19,6 +37,11 @@ static __inline__ int enable_os_io(void)
 
 static __inline__ int disable_os_io(void)
 {
+#ifdef CONFIG_DHAHELPER
+    if (dhahelper_initialized == 1)
+	close(dhahelper_fd);
+    else
+#endif
     if (iopl(0) != 0)
 	return(errno);
     return(0);
-- 
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