[linux-2.6-block.git] / drivers / pcmcia / rsrc_mgr.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * rsrc_mgr.c -- Resource management routines and/or wrappers
 *
 * The initial developer of the original code is David A. Hinds
 * <dahinds@users.sourceforge.net>.  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(resource_size_t start,
					resource_size_t end,
					unsigned long 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");
Commit	Line	Data
d2912cb1	1	// SPDX-License-Identifier: GPL-2.0-only
1da177e4 LT	2	/*
	3	* rsrc_mgr.c -- Resource management routines and/or wrappers
	4	*
1da177e4 LT	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
5a0e3ad6	12	#include <linux/slab.h>
1da177e4 LT	13	#include <linux/module.h>
	14	#include <linux/kernel.h>
	15
1da177e4	16	#include <pcmcia/ss.h>
91284224	17	#include <pcmcia/cistpl.h>
1da177e4 LT	18	#include "cs_internal.h"
1da177e4 LT	19
49b1153a	20	int static_init(struct pcmcia_socket *s)
1da177e4	21	{
1da177e4 LT	22	/* the good thing about SS_CAP_STATIC_MAP sockets is
	23	* that they don't need a resource database */
	24
1da177e4	25	s->resource_setup_done = 1;
1da177e4 LT	26
	27	return 0;
	28	}
	29
a6c6193a AC	30	struct resource *pcmcia_make_resource(resource_size_t start,
	31	resource_size_t end,
	32	unsigned long flags, const char *name)
3b27e942 DB	33	{
	34	struct resource res = kzalloc(sizeof(res), GFP_KERNEL);
	35
	36	if (res) {
	37	res->name = name;
49b1153a DB	38	res->start = start;
49b1153a DB	39	res->end = start + end - 1;
3b27e942 DB	40	res->flags = flags;
	41	}
	42	return res;
	43	}
	44
b19a7275 DB	45	static int static_find_io(struct pcmcia_socket *s, unsigned int attr,
b19a7275 DB	46	unsigned int *base, unsigned int num,
ad0c7be2	47	unsigned int align, struct resource **parent)
b19a7275 DB	48	{
	49	if (!s->io_offset)
	50	return -EINVAL;
	51	base = s->io_offset \| (base & 0x0fff);
ad0c7be2	52	*parent = NULL;
b19a7275 DB	53
	54	return 0;
	55	}
	56
3b27e942	57
49b1153a	58	struct pccard_resource_ops pccard_static_ops = {
3b27e942	59	.validate_mem = NULL,
b19a7275	60	.find_io = static_find_io,
3b27e942	61	.find_mem = NULL,
3b27e942 DB	62	.init = static_init,
	63	.exit = NULL,
	64	};
49b1153a DB	65	EXPORT_SYMBOL(pccard_static_ops);
49b1153a DB	66
3b27e942	67
49b1153a DB	68	MODULE_AUTHOR("David A. Hinds, Dominik Brodowski");
	69	MODULE_LICENSE("GPL");
	70	MODULE_ALIAS("rsrc_nonstatic");