[mirror_ubuntu-bionic-kernel.git] / drivers / pcmcia / rsrc_mgr.c

/*
 * 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
 * <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
1da177e4 LT	1	/*
	2	* rsrc_mgr.c -- Resource management routines and/or wrappers
	3	*
	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.
	7	*
	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.
	11	*
	12	* (C) 1999 David A. Hinds
	13	*/
	14
5a0e3ad6	15	#include <linux/slab.h>
1da177e4 LT	16	#include <linux/module.h>
	17	#include <linux/kernel.h>
	18
1da177e4	19	#include <pcmcia/ss.h>
91284224	20	#include <pcmcia/cistpl.h>
1da177e4 LT	21	#include "cs_internal.h"
1da177e4 LT	22
49b1153a	23	int static_init(struct pcmcia_socket *s)
1da177e4	24	{
1da177e4 LT	25	/* the good thing about SS_CAP_STATIC_MAP sockets is
	26	* that they don't need a resource database */
	27
1da177e4	28	s->resource_setup_done = 1;
1da177e4 LT	29
	30	return 0;
	31	}
	32
a6c6193a AC	33	struct resource *pcmcia_make_resource(resource_size_t start,
	34	resource_size_t end,
	35	unsigned long flags, const char *name)
3b27e942 DB	36	{
	37	struct resource res = kzalloc(sizeof(res), GFP_KERNEL);
	38
	39	if (res) {
	40	res->name = name;
49b1153a DB	41	res->start = start;
49b1153a DB	42	res->end = start + end - 1;
3b27e942 DB	43	res->flags = flags;
	44	}
	45	return res;
	46	}
	47
b19a7275 DB	48	static int static_find_io(struct pcmcia_socket *s, unsigned int attr,
b19a7275 DB	49	unsigned int *base, unsigned int num,
ad0c7be2	50	unsigned int align, struct resource **parent)
b19a7275 DB	51	{
	52	if (!s->io_offset)
	53	return -EINVAL;
	54	base = s->io_offset \| (base & 0x0fff);
ad0c7be2	55	*parent = NULL;
b19a7275 DB	56
	57	return 0;
	58	}
	59
3b27e942	60
49b1153a	61	struct pccard_resource_ops pccard_static_ops = {
3b27e942	62	.validate_mem = NULL,
b19a7275	63	.find_io = static_find_io,
3b27e942	64	.find_mem = NULL,
3b27e942 DB	65	.init = static_init,
	66	.exit = NULL,
	67	};
49b1153a DB	68	EXPORT_SYMBOL(pccard_static_ops);
49b1153a DB	69
3b27e942	70
49b1153a DB	71	MODULE_AUTHOR("David A. Hinds, Dominik Brodowski");
	72	MODULE_LICENSE("GPL");
	73	MODULE_ALIAS("rsrc_nonstatic");