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* 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
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33
backend/umax_pp_low.c
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@ -552,15 +552,17 @@ sanei_umax_pp_InitPort (int port)
} }
else else
{ {
/* me check if parport is does ECP */ /* we check if parport is does ECP */
mode = IEEE1284_MODE_ECP; if (ioctl (fd, PPGETMODES, &mode))
if (ioctl (fd, PPSETMODE, &mode))
{ {
DBG (16, "umax_pp: port '%s' hasn't ECP\n", parport_name); DBG (16, "umax_pp: ppdev couldn't gave modes for port '%s'\n",
parport_name);
} }
else else
{ {
DBG (16, "umax_pp: port '%s' does ECP\n", parport_name); DBG (32, "parport modes: %X\n", mode);
if (mode & PARPORT_MODE_ECP)
{
DBG (16, "umax_pp: initializing ECPEPP\n"); DBG (16, "umax_pp: initializing ECPEPP\n");
/* set up ECPEPP the hard way ... */ /* set up ECPEPP the hard way ... */
/* frob_econtrol (port, 0xe0, 4 << 5); /* frob_econtrol (port, 0xe0, 4 << 5);
@ -571,27 +573,14 @@ sanei_umax_pp_InitPort (int port)
Outb (ECPCONTROL, ectr); Outb (ECPCONTROL, ectr);
} }
if (!(mode & PARPORT_MODE_ECP) && !(mode & PARPORT_MODE_ECP))
/* 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",
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, DBG (1,
"umax_pp: blindly going on, but failure is expected...\n"); "port 0x%X does not have EPP or ECP, giving up ...\n",
port);
return (0);
} }
} }
else
{
DBG (1, "Using EPP 1.7\n");
}
/* write to DATA via direct io and read DATA via parport */ /* write to DATA via direct io and read DATA via parport */
/* if values match, we found the right parport */ /* if values match, we found the right parport */