1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * rsrc_mgr.c -- Resource management routines and/or wrappers
4 *
5 * The initial developer of the original code is David A. Hinds
6 * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
7 * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
8 *
9 * (C) 1999 David A. Hinds
10 */
11
12#include <linux/slab.h>
13#include <linux/module.h>
14#include <linux/kernel.h>
15
16#include <pcmcia/ss.h>
17#include <pcmcia/cistpl.h>
18#include "cs_internal.h"
19
20int static_init(struct pcmcia_socket *s)
21{
22 /* the good thing about SS_CAP_STATIC_MAP sockets is
23 * that they don't need a resource database */
24
25 s->resource_setup_done = 1;
26
27 return 0;
28}
29
30struct resource *pcmcia_make_resource(resource_size_t start,
31 resource_size_t end,
32 unsigned long flags, const char *name)
33{
34 struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL);
35
36 if (res) {
37 res->name = name;
38 res->start = start;
39 res->end = start + end - 1;
40 res->flags = flags;
41 }
42 return res;
43}
44
45static int static_find_io(struct pcmcia_socket *s, unsigned int attr,
46 unsigned int *base, unsigned int num,
47 unsigned int align, struct resource **parent)
48{
49 if (!s->io_offset)
50 return -EINVAL;
51 *base = s->io_offset | (*base & 0x0fff);
52 *parent = NULL;
53
54 return 0;
55}
56
57
58struct pccard_resource_ops pccard_static_ops = {
59 .validate_mem = NULL,
60 .find_io = static_find_io,
61 .find_mem = NULL,
62 .init = static_init,
63 .exit = NULL,
64};
65EXPORT_SYMBOL(pccard_static_ops);
66
67
68MODULE_AUTHOR("David A. Hinds, Dominik Brodowski");
69MODULE_DESCRIPTION("PCMCIA resource management routines");
70MODULE_LICENSE("GPL");
71MODULE_ALIAS("rsrc_nonstatic");
72