1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * parport.h: platform-specific PC-style parport initialisation
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 1999, 2000 Tim Waugh <tim@cyberelk.demon.co.uk>
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * This file should only be included by drivers/parport/parport_pc.c.
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #ifndef _ASM_POWERPC_PARPORT_H
11*4882a593Smuzhiyun #define _ASM_POWERPC_PARPORT_H
12*4882a593Smuzhiyun #ifdef __KERNEL__
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #include <asm/prom.h>
15*4882a593Smuzhiyun
parport_pc_find_nonpci_ports(int autoirq,int autodma)16*4882a593Smuzhiyun static int parport_pc_find_nonpci_ports (int autoirq, int autodma)
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun struct device_node *np;
19*4882a593Smuzhiyun const u32 *prop;
20*4882a593Smuzhiyun u32 io1, io2;
21*4882a593Smuzhiyun int propsize;
22*4882a593Smuzhiyun int count = 0;
23*4882a593Smuzhiyun int virq;
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun for_each_compatible_node(np, "parallel", "pnpPNP,400") {
26*4882a593Smuzhiyun prop = of_get_property(np, "reg", &propsize);
27*4882a593Smuzhiyun if (!prop || propsize > 6*sizeof(u32))
28*4882a593Smuzhiyun continue;
29*4882a593Smuzhiyun io1 = prop[1]; io2 = prop[2];
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun virq = irq_of_parse_and_map(np, 0);
32*4882a593Smuzhiyun if (!virq)
33*4882a593Smuzhiyun continue;
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun if (parport_pc_probe_port(io1, io2, virq, autodma, NULL, 0)
36*4882a593Smuzhiyun != NULL)
37*4882a593Smuzhiyun count++;
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun return count;
40*4882a593Smuzhiyun }
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun #endif /* __KERNEL__ */
43*4882a593Smuzhiyun #endif /* !(_ASM_POWERPC_PARPORT_H) */
44