parport.h

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/*
 * parport.h: platform-specific PC-style parport initialisation
 *
 * Copyright (C) 1999, 2000  Tim Waugh <[email protected]>
 *
 * 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 __devinit 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 (np = NULL; (np = of_find_compatible_node(np,
                              "parallel",
                              "pnpPNP,400")) != NULL;) {
        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) */