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

* use PPGETMODES ioctl to get ppdev available modes

DEVEL_2_0_BRANCH-1
Stéphane Voltz 2001-06-07 04:39:06 +00:00
rodzic 6ae6c96191
commit e0fa6483c5
1 zmienionych plików z 23 dodań i 34 usunięć
Pokaż statystyki Ściągnij plik aktualizacji Ściągnij plik porównania Expand all files Collapse all files

57
backend/umax_pp_low.c
Wyświetl plik

@ -552,45 +552,34 @@ sanei_umax_pp_InitPort (int port)
}
else
{
/* me check if parport is does ECP */
mode = IEEE1284_MODE_ECP;
if (ioctl (fd, PPSETMODE, &mode))
/* we check if parport is does ECP */
if (ioctl (fd, PPGETMODES, &mode))
{
DBG (16, "umax_pp: port '%s' hasn't ECP\n", parport_name);
}
else
{
DBG (16, "umax_pp: port '%s' does ECP\n", parport_name);
DBG (16, "umax_pp: initializing ECPEPP\n");
/* set up ECPEPP the hard way ... */
/* frob_econtrol (port, 0xe0, 4 << 5);
unsigned char ectr = inb (ECONTROL (pb));
outb ((ectr & ~m) ^ v, ECONTROL (pb)); */
ectr = Inb (ECPCONTROL);
ectr = (ectr & ~(0xE0)) ^ (4 << 5);
Outb (ECPCONTROL, ectr);
}
/* we try to set EPP 1.7 first */
mode = IEEE1284_MODE_EPPSL;
if (ioctl (fd, PPSETMODE, &mode))
{
DBG (16, "umax_pp: cannot set port '%s' to EPP 1.7\n",
DBG (16, "umax_pp: ppdev couldn't gave modes for port '%s'\n",
parport_name);
/* we try EPP */
mode = IEEE1284_MODE_EPP;
if (ioctl (fd, PPSETMODE, &mode))
{
DBG (1, "umax_pp: cannot set port '%s' to EPP\n",
parport_name);
DBG (1,
"umax_pp: blindly going on, but failure is expected...\n");
}
}
else
{
DBG (1, "Using EPP 1.7\n");
DBG (32, "parport modes: %X\n", mode);
if (mode & PARPORT_MODE_ECP)
{
DBG (16, "umax_pp: initializing ECPEPP\n");
/* set up ECPEPP the hard way ... */
/* frob_econtrol (port, 0xe0, 4 << 5);
unsigned char ectr = inb (ECONTROL (pb));
outb ((ectr & ~m) ^ v, ECONTROL (pb)); */
ectr = Inb (ECPCONTROL);
ectr = (ectr & ~(0xE0)) ^ (4 << 5);
Outb (ECPCONTROL, ectr);
}
if (!(mode & PARPORT_MODE_ECP) && !(mode & PARPORT_MODE_ECP))
{
DBG (1,
"port 0x%X does not have EPP or ECP, giving up ...\n",
port);
return (0);
}
}
/* write to DATA via direct io and read DATA via parport */