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parport.h

/*
 * 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 __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;
      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];
            prop = of_get_property(np, "interrupts", NULL);
            if (!prop)
                  continue;
            if (parport_pc_probe_port(io1, io2, prop[0], autodma, NULL) != NULL)
                  count++;
      }
      return count;
}

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

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