/* SPDX-License-Identifier: GPL-2.0 */
/*
 * 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 <linux/of_irq.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)
                        continue;

                if (parport_pc_probe_port(io1, io2, virq, autodma, NULL, 0)
                                != NULL)
                        count++;
        }
        return count;
}

#endif /* __KERNEL__ */
#endif /* !(_ASM_POWERPC_PARPORT_H) */