rsrc_mgr.c

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/*
 * rsrc_mgr.c -- Resource management routines and/or wrappers
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * The initial developer of the original code is David A. Hinds
 * <[email protected]>.  Portions created by David A. Hinds
 * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
 *
 * (C) 1999     David A. Hinds
 */

#include <linux/slab.h>
#include <linux/module.h>
#include <linux/kernel.h>

#include <pcmcia/ss.h>
#include <pcmcia/cistpl.h>
#include "cs_internal.h"

int static_init(struct pcmcia_socket *s)
{
    /* the good thing about SS_CAP_STATIC_MAP sockets is
     * that they don't need a resource database */

    s->resource_setup_done = 1;

    return 0;
}

struct resource *pcmcia_make_resource(unsigned long start, unsigned long end,
                int flags, const char *name)
{
    struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL);

    if (res) {
        res->name = name;
        res->start = start;
        res->end = start + end - 1;
        res->flags = flags;
    }
    return res;
}

static int static_find_io(struct pcmcia_socket *s, unsigned int attr,
            unsigned int *base, unsigned int num,
            unsigned int align, struct resource **parent)
{
    if (!s->io_offset)
        return -EINVAL;
    *base = s->io_offset | (*base & 0x0fff);
    *parent = NULL;

    return 0;
}


struct pccard_resource_ops pccard_static_ops = {
    .validate_mem = NULL,
    .find_io = static_find_io,
    .find_mem = NULL,
    .init = static_init,
    .exit = NULL,
};
EXPORT_SYMBOL(pccard_static_ops);


MODULE_AUTHOR("David A. Hinds, Dominik Brodowski");
MODULE_LICENSE("GPL");
MODULE_ALIAS("rsrc_nonstatic");