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 | |
20 | int 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 | |
30 | struct 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(size: 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 | |
45 | static 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 | |
58 | struct 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 | }; |
65 | EXPORT_SYMBOL(pccard_static_ops); |
66 | |
67 | |
68 | MODULE_AUTHOR("David A. Hinds, Dominik Brodowski" ); |
69 | MODULE_LICENSE("GPL" ); |
70 | MODULE_ALIAS("rsrc_nonstatic" ); |
71 | |