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Added /dev/parport support for direct port access.

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This commit is contained in:
Uwe Bonnes 2001-06-26 21:06:07 +00:00 committed by Alexandre Julliard
parent 9446387170
commit 6509fa93f9
8 changed files with 508 additions and 138 deletions
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303
configure vendored
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File diff suppressed because it is too large Load Diff

13
configure.in
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@ -430,6 +430,19 @@ fi
AC_SUBST(FREETYPELIBS)
AC_SUBST(FREETYPEINCL)
dnl **** Check for parport (currently Linux only) ****
AC_CACHE_CHECK("for parport header/ppdev.h", ac_cv_c_ppdev,
AC_TRY_COMPILE(
[#include <linux/ppdev.h>],
[ioctl (1,PPCLAIM,0)],
[ac_cv_c_ppdev="yes"],
[ac_cv_c_ppdev="no"])
)
if test "$ac_cv_c_ppdev" = "yes"
then
AC_DEFINE(HAVE_PPDEV,1,[Define if we can use ppdev.h for parallel port access])
fi
dnl **** Check for IPX (currently Linux only) ****
AC_CACHE_CHECK("for GNU style IPX support", ac_cv_c_ipx_gnu,
AC_TRY_COMPILE(

8
documentation/samples/config
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@ -167,6 +167,14 @@ WINE REGISTRY Version 2
[parallelports]
"Lpt1" = "/dev/lp0"
[ppdev]
;; key: io-base of the emulated port
;; value : parport-device{,timeout}
;; timeout for auto closing an open device ( not yet implemented)
;"378" = "/dev/parport0"
;"278" = "/dev/parport1"
;"3bc" = "/dev/parport2"
[spooler]
"FILE:" = "tmp.ps"
"LPT1:" = "|lpr"

6
include/config.h.in
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@ -40,9 +40,6 @@
/* Define if the X Window System is missing or not being used. */
#undef X_DISPLAY_MISSING
/* Define if lex declares yytext as a char * by default, not a char[]. */
#undef YYTEXT_POINTER
/* Define if .type asm directive must be inside a .def directive */
#undef NEED_TYPE_IN_DEF
@ -526,6 +523,9 @@
/* Define if you have the xpg4 library (-lxpg4). */
#undef HAVE_LIBXPG4
/* Define if we can use ppdev.h for parallel port access */
#undef HAVE_PPDEV
/* Set this to 64 to enable 64-bit file support on Linux */
#undef _FILE_OFFSET_BITS

6
include/miscemu.h
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@ -249,6 +249,12 @@ extern void WINAPI XMS_Handler(CONTEXT86*);
/* misc/aspi.c */
extern void ASPI_DOS_HandleInt(CONTEXT86 *context);
/* misc/ppdev.c */
extern BOOL IO_pp_outp(int port, DWORD* res);
extern int IO_pp_inp(int port, DWORD* res);
extern char IO_pp_init(void);
#define PTR_REAL_TO_LIN(seg,off) \
((void*)(((unsigned int)(seg) << 4) + LOWORD(off)))

1
msdos/Makefile.in
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@ -36,6 +36,7 @@ C_SRCS = \
int5c.c \
interrupts.c \
ioports.c \
ppdev.c \
vga.c \
vxd.c

21
msdos/ioports.c
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@ -62,13 +62,17 @@ static BYTE cmosimage[64] =
# define DIRECT_IO_ACCESS
#else
# undef DIRECT_IO_ACCESS
# undef PP_IO_ACCESS
#endif /* linux && __i386__ */
#ifdef DIRECT_IO_ACCESS
extern int iopl(int level);
static char do_direct_port_access = -1;
#ifdef HAVE_PPDEV
static char do_pp_port_access = -1; /* -1: uninitialized, 1: not available
0: available);*/
#endif
static char port_permissions[0x10000];
#define IO_READ 1
@ -258,6 +262,13 @@ DWORD IO_inport( int port, int size )
TRACE("%d-byte value from port 0x%02x\n", size, port );
#ifdef HAVE_PPDEV
if (do_pp_port_access == -1)
do_pp_port_access =IO_pp_init();
if ((do_pp_port_access == 0 ) && (size == 1))
if (!IO_pp_inp(port,&res))
return res;
#endif
#ifdef DIRECT_IO_ACCESS
if (do_direct_port_access == -1) IO_port_init();
if ((do_direct_port_access)
@ -371,7 +382,15 @@ void IO_outport( int port, int size, DWORD value )
TRACE("IO: 0x%lx (%d-byte value) to port 0x%02x\n",
value, size, port );
#ifdef HAVE_PPDEV
if (do_pp_port_access == -1)
do_pp_port_access = IO_pp_init();
if ((do_pp_port_access == 0) && (size == 1))
if (!IO_pp_outp(port,&value))
return;
#endif
#ifdef DIRECT_IO_ACCESS
if (do_direct_port_access == -1) IO_port_init();
if ((do_direct_port_access)
/* Make sure we have access to the port */

288
msdos/ppdev.c Normal file
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@ -0,0 +1,288 @@
/*
* Parallel-port device support
*/
#include "config.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(int);
#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"
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,PPEXCL,0))
{
ERR("PPEXCL IOCTL rejected for device %s\n",buffer);
ERR("Check that PPDEV module is loaded!\n");
ERR("Perhaps the device is already in use or non-existant\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;
}
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)
{
if (!PPDeviceList[idx].lastaccess)
/* TIMER callback has released the device after some time of inactivity
Reclaim the device
!!!!!!THIS MAY UNINTERRUPTIPLE BLOCK IF SOME OTHER DEVICE
!!!!!! HAS CLAIMED THE SAME PORT
*/
if (ioctl(PPDeviceList[idx].fd,PPCLAIM,0))
{
ERR("Can't reclaim device %s, PPUSER/PPDEV handling confused\n",
PPDeviceList[idx].devicename);
return 1;
}
PPDeviceList[idx].lastaccess=GetTickCount();
return ioctl(PPDeviceList[idx].fd,ppctl,res);
}
/* 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 */
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 */