2 * rsrc_mgr.c -- Resource management routines and/or wrappers
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
8 * The initial developer of the original code is David A. Hinds
9 * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
10 * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
12 * (C) 1999 David A. Hinds
15 #include <linux/config.h>
16 #include <linux/module.h>
17 #include <linux/kernel.h>
19 #include <pcmcia/cs_types.h>
20 #include <pcmcia/ss.h>
21 #include <pcmcia/cs.h>
22 #include "cs_internal.h"
25 #ifdef CONFIG_PCMCIA_PROBE
27 static int adjust_irq(struct pcmcia_socket *s, adjust_t *adj)
32 irq = adj->resource.irq.IRQ;
33 if ((irq < 0) || (irq > 15))
36 if (adj->Action != REMOVE_MANAGED_RESOURCE)
41 if (!(s->irq_mask & mask))
51 static inline int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) {
58 int pcmcia_adjust_resource_info(adjust_t *adj)
60 struct pcmcia_socket *s;
61 int ret = CS_UNSUPPORTED_FUNCTION;
63 down_read(&pcmcia_socket_list_rwsem);
64 list_for_each_entry(s, &pcmcia_socket_list, socket_list) {
66 if (adj->Resource == RES_IRQ)
67 ret = adjust_irq(s, adj);
69 else if (s->resource_ops->adjust_resource)
70 ret = s->resource_ops->adjust_resource(s, adj);
72 up_read(&pcmcia_socket_list_rwsem);
76 EXPORT_SYMBOL(pcmcia_adjust_resource_info);
78 void pcmcia_validate_mem(struct pcmcia_socket *s)
80 if (s->resource_ops->validate_mem)
81 s->resource_ops->validate_mem(s);
83 EXPORT_SYMBOL(pcmcia_validate_mem);
85 int adjust_io_region(struct resource *res, unsigned long r_start,
86 unsigned long r_end, struct pcmcia_socket *s)
88 if (s->resource_ops->adjust_io_region)
89 return s->resource_ops->adjust_io_region(res, r_start, r_end, s);
93 struct resource *find_io_region(unsigned long base, int num,
94 unsigned long align, struct pcmcia_socket *s)
96 if (s->resource_ops->find_io)
97 return s->resource_ops->find_io(base, num, align, s);
101 struct resource *find_mem_region(u_long base, u_long num, u_long align,
102 int low, struct pcmcia_socket *s)
104 if (s->resource_ops->find_mem)
105 return s->resource_ops->find_mem(base, num, align, low, s);
109 void release_resource_db(struct pcmcia_socket *s)
111 if (s->resource_ops->exit)
112 s->resource_ops->exit(s);
116 struct pccard_resource_ops pccard_static_ops = {
117 .validate_mem = NULL,
118 .adjust_io_region = NULL,
121 .adjust_resource = NULL,
124 EXPORT_SYMBOL(pccard_static_ops);