1 /*
2 * parport.h: platform-specific PC-style parport initialisation
3 *
4 * Copyright (C) 1999, 2000 Tim Waugh <tim@cyberelk.demon.co.uk>
5 *
6 * This file should only be included by drivers/parport/parport_pc.c.
7 */
8
9 #ifndef _ASM_POWERPC_PARPORT_H
10 #define _ASM_POWERPC_PARPORT_H
11 #ifdef __KERNEL__
12
13 #include <asm/prom.h>
14
parport_pc_find_nonpci_ports(int autoirq,int autodma)15 static int __devinit parport_pc_find_nonpci_ports (int autoirq, int autodma)
16 {
17 struct device_node *np;
18 const u32 *prop;
19 u32 io1, io2;
20 int propsize;
21 int count = 0;
22 int virq;
23
24 for (np = NULL; (np = of_find_compatible_node(np,
25 "parallel",
26 "pnpPNP,400")) != NULL;) {
27 prop = of_get_property(np, "reg", &propsize);
28 if (!prop || propsize > 6*sizeof(u32))
29 continue;
30 io1 = prop[1]; io2 = prop[2];
31
32 virq = irq_of_parse_and_map(np, 0);
33 if (virq == NO_IRQ)
34 continue;
35
36 if (parport_pc_probe_port(io1, io2, virq, autodma, NULL, 0)
37 != NULL)
38 count++;
39 }
40 return count;
41 }
42
43 #endif /* __KERNEL__ */
44 #endif /* !(_ASM_POWERPC_PARPORT_H) */
45