mirror of
https://github.com/reactos/wine.git
synced 2024-12-02 00:36:43 +00:00
309 lines
7.7 KiB
C
309 lines
7.7 KiB
C
/*
|
|
* Parallel-port device support
|
|
*
|
|
* Copyright 2001 Uwe Bonnes
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#ifdef HAVE_PPDEV
|
|
|
|
#include <stdlib.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <sys/ioctl.h>
|
|
#include <errno.h>
|
|
#include <linux/ppdev.h>
|
|
|
|
#include "winerror.h"
|
|
#include "winreg.h"
|
|
|
|
#include "miscemu.h"
|
|
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(int);
|
|
|
|
typedef struct _PPDEVICESTRUCT{
|
|
int fd; /* NULL if device not available */
|
|
char *devicename;
|
|
int userbase; /* where wine thinks the ports are*/
|
|
DWORD lastaccess; /* or NULL if release */
|
|
int timeout; /* time in second of inactivity to release the port*/
|
|
} PPDeviceStruct;
|
|
|
|
static PPDeviceStruct PPDeviceList[5];
|
|
static int PPDeviceNum=0;
|
|
|
|
static int IO_pp_sort(const void *p1,const void *p2)
|
|
{
|
|
return ((PPDeviceStruct*)p1)->userbase - ((PPDeviceStruct*)p2)->userbase;
|
|
}
|
|
|
|
/* IO_pp_init
|
|
*
|
|
* Read the ppdev entries from wine.conf, open the device and check
|
|
* for nescessary IOCTRL
|
|
* Report verbose about possible errors
|
|
*/
|
|
char IO_pp_init(void)
|
|
{
|
|
char name[80];
|
|
char buffer[1024];
|
|
HKEY hkey;
|
|
char temp[256];
|
|
int i,idx=0,fd,res,userbase,nports=0;
|
|
char * timeout;
|
|
char ret=1;
|
|
int lasterror;
|
|
|
|
TRACE("\n");
|
|
if (RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\ppdev", &hkey ) != ERROR_SUCCESS)
|
|
return 1;
|
|
|
|
for (;;)
|
|
{
|
|
DWORD type, count = sizeof(buffer), name_len = sizeof(name);
|
|
|
|
if (RegEnumValueA( hkey, idx, name, &name_len, NULL, &type, buffer, &count )!= ERROR_SUCCESS)
|
|
break;
|
|
|
|
idx++;
|
|
if(nports >4)
|
|
{
|
|
FIXME("Make the PPDeviceList larger then 5 elements\n");
|
|
break;
|
|
}
|
|
TRACE("Device '%s' at virtual userbase '%s'\n", buffer,name);
|
|
timeout = strchr(buffer,',');
|
|
if (timeout)
|
|
*timeout++=0;
|
|
fd=open(buffer,O_RDWR);
|
|
lasterror=errno;
|
|
if (fd == -1)
|
|
{
|
|
WARN("Configuration: No access to %s Cause: %s\n",buffer,strerror(lasterror));
|
|
WARN("Rejecting configuration item\n");
|
|
if (lasterror == ENODEV)
|
|
FIXME("Is the ppdev module loaded?\n");
|
|
continue;
|
|
}
|
|
userbase = strtol(name,(char **)NULL, 16);
|
|
if ( errno == ERANGE)
|
|
{
|
|
WARN("Configuration: Invalid base %s for %s\n",name,buffer);
|
|
WARN("Rejecting configuration item\n");
|
|
continue;
|
|
}
|
|
if (ioctl (fd,PPCLAIM,0))
|
|
{
|
|
ERR("PPCLAIM rejected %s\n",buffer);
|
|
ERR("Perhaps the device is already in use or non-existant\n");
|
|
continue;
|
|
}
|
|
if (nports > 0)
|
|
{
|
|
for (i=0; i<= nports; i++)
|
|
{
|
|
if (PPDeviceList[i].userbase == userbase)
|
|
{
|
|
WARN("Configuration: %s uses the same virtual ports as %s\n",
|
|
buffer,PPDeviceList[0].devicename);
|
|
WARN("Configuration: Rejecting configuration item");
|
|
userbase = 0;
|
|
break;
|
|
}
|
|
}
|
|
if (!userbase) continue;
|
|
}
|
|
/* Check for the minimum required IOCTLS */
|
|
if ((ioctl(fd,PPRDATA,&res))||
|
|
(ioctl(fd,PPRCONTROL,&res))||
|
|
(ioctl(fd,PPRCONTROL,&res)))
|
|
{
|
|
ERR("PPUSER IOCTL not available for parport device %s\n",temp);
|
|
continue;
|
|
}
|
|
if (ioctl (fd,PPRELEASE,0))
|
|
{
|
|
ERR("PPRELEASE rejected %s\n",buffer);
|
|
ERR("Perhaps the device is already in use or non-existant\n");
|
|
continue;
|
|
}
|
|
PPDeviceList[nports].devicename = malloc(sizeof(buffer)+1);
|
|
if (!PPDeviceList[nports].devicename)
|
|
{
|
|
ERR("No (more)space for devicename\n");
|
|
break;
|
|
}
|
|
strcpy(PPDeviceList[nports].devicename,buffer);
|
|
PPDeviceList[nports].fd = fd;
|
|
PPDeviceList[nports].userbase = userbase;
|
|
PPDeviceList[nports].lastaccess=GetTickCount();
|
|
if (timeout)
|
|
{
|
|
PPDeviceList[nports].timeout = strtol(timeout,(char **)NULL, 10);
|
|
if (errno == ERANGE)
|
|
{
|
|
WARN("Configuration:Invalid timeout %s in configuration for %s, Setting to 0\n",
|
|
timeout,buffer);
|
|
PPDeviceList[nports].timeout = 0;
|
|
}
|
|
}
|
|
else
|
|
PPDeviceList[nports].timeout = 0;
|
|
nports++;
|
|
}
|
|
TRACE("found %d ports\n",nports);
|
|
RegCloseKey( hkey );
|
|
|
|
PPDeviceNum= nports;
|
|
if (nports > 1)
|
|
/* sort in accending order for userbase for faster access*/
|
|
qsort (PPDeviceList,PPDeviceNum,sizeof(PPDeviceStruct),IO_pp_sort);
|
|
|
|
if (nports)
|
|
ret=0;
|
|
for (idx= 0;idx<PPDeviceNum; idx++)
|
|
TRACE("found device %s userbase %x fd %x timeout %d\n",
|
|
PPDeviceList[idx].devicename, PPDeviceList[idx].userbase,
|
|
PPDeviceList[idx].fd,PPDeviceList[idx].timeout);
|
|
/* FIXME:
|
|
register a timer callback perhaps every 30 second to release unused ports
|
|
Set lastaccess = 0 as indicator when port was released
|
|
*/
|
|
return ret;
|
|
}
|
|
|
|
/* IO_pp_do_access
|
|
*
|
|
* Do the actual IOCTL
|
|
* Return NULL on success
|
|
*/
|
|
static int IO_pp_do_access(int idx,int ppctl, DWORD* res)
|
|
{
|
|
int ret;
|
|
if (ioctl(PPDeviceList[idx].fd,PPCLAIM,0))
|
|
{
|
|
ERR("Can't reclaim device %s, PPUSER/PPDEV handling confused\n",
|
|
PPDeviceList[idx].devicename);
|
|
return 1;
|
|
}
|
|
ret = ioctl(PPDeviceList[idx].fd,ppctl,res);
|
|
if (ioctl(PPDeviceList[idx].fd,PPRELEASE,0))
|
|
{
|
|
ERR("Can't release device %s, PPUSER/PPDEV handling confused\n",
|
|
PPDeviceList[idx].devicename);
|
|
return 1;
|
|
}
|
|
return ret;
|
|
|
|
}
|
|
|
|
/* IO_pp_inp
|
|
*
|
|
* Check if we can satisfy the INP command with some of the configured PPDEV deviced
|
|
* Return NULL on success
|
|
*/
|
|
int IO_pp_inp(int port, DWORD* res)
|
|
{
|
|
int idx,j=0;
|
|
|
|
for (idx=0;idx<PPDeviceNum ;idx++)
|
|
{
|
|
j = port - PPDeviceList[idx].userbase;
|
|
if (j <0) return 1;
|
|
switch (j)
|
|
{
|
|
case 0:
|
|
return IO_pp_do_access(idx,PPRDATA,res);
|
|
case 1:
|
|
return IO_pp_do_access(idx,PPRSTATUS,res);
|
|
case 2:
|
|
return IO_pp_do_access(idx,PPRCONTROL,res);
|
|
case 0x400:
|
|
case 0x402:
|
|
case 3:
|
|
case 4:
|
|
case 0x401:
|
|
FIXME("Port 0x%x not accessible for reading with ppdev\n",port);
|
|
FIXME("If this is causing problems, try direct port access\n");
|
|
return 1;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/* IO_pp_outp
|
|
*
|
|
* Check if we can satisfy the INP command with some of the configured PPDEV deviced
|
|
* Return NULL on success
|
|
*/
|
|
BOOL IO_pp_outp(int port, DWORD* res)
|
|
{
|
|
int idx,j=0;
|
|
|
|
for (idx=0;idx<PPDeviceNum ;idx++)
|
|
{
|
|
j = port - PPDeviceList[idx].userbase;
|
|
if (j <0) return 1;
|
|
switch (j)
|
|
{
|
|
case 0:
|
|
return IO_pp_do_access(idx,PPWDATA,res);
|
|
case 2:
|
|
return IO_pp_do_access(idx,PPWCONTROL,res);
|
|
case 1:
|
|
case 0x400:
|
|
case 0x402:
|
|
case 3:
|
|
case 4:
|
|
case 0x401:
|
|
FIXME("Port %d not accessible for writing with ppdev\n",port);
|
|
FIXME("If this is causing problems, try direct port access\n");
|
|
return 1;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
#else /* HAVE_PPDEV */
|
|
|
|
#include "windef.h"
|
|
|
|
char IO_pp_init(void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
int IO_pp_inp(int port, DWORD* res)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
BOOL IO_pp_outp(int port, DWORD* res)
|
|
{
|
|
return TRUE;
|
|
}
|
|
#endif /* HAVE_PPDEV */
|