43 lines
926 B
C
43 lines
926 B
C
|
/*
|
||
|
|
* parport.h: platform-specific PC-style parport initialisation
|
||
|
|
*
|
||
|
|
* Copyright (C) 1999, 2000 Tim Waugh <tim@cyberelk.demon.co.uk>
|
||
|
|
*
|
||
|
|
* This file should only be included by drivers/parport/parport_pc.c.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _ASM_POWERPC_PARPORT_H
|
||
|
|
#define _ASM_POWERPC_PARPORT_H
|
||
|
|
#ifdef __KERNEL__
|
||
|
|
|
||
|
|
#include <asm/prom.h>
|
||
|
|
|
||
|
|
static int parport_pc_find_nonpci_ports (int autoirq, int autodma)
|
||
|
|
{
|
||
|
|
struct device_node *np;
|
||
|
|
const u32 *prop;
|
||
|
|
u32 io1, io2;
|
||
|
|
int propsize;
|
||
|
|
int count = 0;
|
||
|
|
int virq;
|
||
|
|
|
||
|
|
for_each_compatible_node(np, "parallel", "pnpPNP,400") {
|
||
|
|
prop = of_get_property(np, "reg", &propsize);
|
||
|
|
if (!prop || propsize > 6*sizeof(u32))
|
||
|
|
continue;
|
||
|
|
io1 = prop[1]; io2 = prop[2];
|
||
|
|
|
||
|
|
virq = irq_of_parse_and_map(np, 0);
|
||
|
|
if (virq == NO_IRQ)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
if (parport_pc_probe_port(io1, io2, virq, autodma, NULL, 0)
|
||
|
|
!= NULL)
|
||
|
|
count++;
|
||
|
|
}
|
||
|
|
return count;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* __KERNEL__ */
|
||
|
|
#endif /* !(_ASM_POWERPC_PARPORT_H) */
|