mirror
/
sane-project-backends
kopia lustrzana https://gitlab.com/sane-project/backends
1
0
Forkuj 0
Kod Zgłoszenia Projekty Wydania Wiki Aktywność

Fixed parport mode setting in direct mode.

merge-requests/1/head
Gerhard Jaeger 2003-11-04 18:20:53 +00:00
rodzic ff7db09576
commit bf91647c3d
1 zmienionych plików z 86 dodań i 24 usunięć
Pokaż statystyki Ściągnij plik aktualizacji Ściągnij plik porównania Expand all files Collapse all files

110
sanei/sanei_pp.c
Wyświetl plik

@ -506,26 +506,99 @@ no_ecp:
return retv;
}
/**
*/
static int pp_set_scpmode( int fd )
{
SANE_Byte tmp;
DBG( 4, "pp_set_scpmode\n" );
#ifdef HAVE_IOPL
tmp = inbyte402( fd );
tmp &= 0x1f;
outbyte402( fd, tmp );
#endif
tmp = inb_ctrl( fd );
tmp &= 0x0f;
outb_ctrl ( fd, tmp );
return SANE_STATUS_GOOD;
}
static int pp_set_bidimode( int fd )
{
SANE_Byte tmp;
DBG( 4, "pp_set_bidimode\n" );
#ifdef HAVE_IOPL
tmp = inbyte402( fd );
tmp = (tmp & 0x1f) | 0x20;
outbyte402( fd, tmp );
#endif
tmp = inb_ctrl( fd );
tmp = (tmp & 0x0f) | 0x20;
outb_ctrl ( fd, tmp );
return SANE_STATUS_GOOD;
}
static int pp_set_eppmode( int fd )
{
SANE_Byte tmp;
DBG( 4, "pp_set_eppmode\n" );
#ifdef HAVE_IOPL
tmp = inbyte402( fd );
tmp = (tmp & 0x1f) | 0x80;
outbyte402( fd, tmp );
#endif
tmp = inb_ctrl( fd );
tmp = (tmp & 0xf0) | 0x40;
outb_ctrl ( fd, tmp );
return SANE_STATUS_GOOD;
}
static int pp_set_ecpmode( int fd )
{
#ifdef HAVE_IOPL
SANE_Byte tmp;
#endif
DBG( 4, "pp_set_ecpmode\n" );
#ifdef HAVE_IOPL
tmp = inbyte402( fd );
tmp = (tmp & 0x1f) | 0x60;
outbyte402( fd, tmp );
return SANE_STATUS_GOOD;
#endif
return SANE_STATUS_UNSUPPORTED;
}
/** set the parallel port mode
*/
static int
pp_setmode( int fd, int mode )
{
/* FIXME: move from plustek_pp backend... */
_VAR_NOT_USED( fd );
_VAR_NOT_USED( mode );
int ret;
if( 0 == (mode & port[fd].caps)) {
DBG( 2, "pp_setmode: mode not supported %d\n", mode );
return SANE_STATUS_UNSUPPORTED;
}
switch( mode ) {
case SANEI_PP_MODE_SPP: ret = pp_set_scpmode( fd ); break;
case SANEI_PP_MODE_BIDI: ret = pp_set_bidimode( fd ); break;
case SANEI_PP_MODE_EPP: ret = pp_set_eppmode( fd ); break;
case SANEI_PP_MODE_ECP: ret = pp_set_ecpmode( fd ); break;
default:
DBG( 2, "pp_setmode: invalid mode %d\n", mode );
return SANE_STATUS_INVAL;
}
return ret;
#if 0
/*
* when previously found the EPP mode, break right here
*/
if (( _PORT_EPP == ps->IO.portMode ) && (!(port_feature & PARPORT_MODE_PCECR)))
return _OK;
/* CHECK REMOVE: from here we should have SPP (Paranoia Code !) */
if (( _PORT_SPP != ps->IO.portMode ) && (!(port_feature & PARPORT_MODE_PCECR)))
return _OK;
DBG(DBG_LOW, "Trying faster mode...\n" );
/*
@ -638,17 +711,7 @@ pp_setmode( int fd, int mode )
ps->IO.portMode = _PORT_SPP;
}
}
/* reaching this point, we're back in SPP mode and there's no need
* to restore at shutdown...
*/
ps->IO.lastPortMode = 0xFFFF;
#endif
return _OK;
}
return SANE_STATUS_GOOD;
}
#endif
@ -1269,7 +1332,6 @@ sanei_pp_setmode( int fd, int mode )
return SANE_STATUS_GOOD;
#else
return pp_setmode( fd, mode );
#endif
}