[linux-2.6-block.git] / drivers / net / wireless / airo_cs.c

/*======================================================================

    Aironet driver for 4500 and 4800 series cards

    This code is released under both the GPL version 2 and BSD licenses.
    Either license may be used.  The respective licenses are found at
    the end of this file.

    This code was developed by Benjamin Reed <breed@users.sourceforge.net>
    including portions of which come from the Aironet PC4500
    Developer's Reference Manual and used with permission.  Copyright
    (C) 1999 Benjamin Reed.  All Rights Reserved.  Permission to use
    code in the Developer's manual was granted for this driver by
    Aironet.

    In addition this module was derived from dummy_cs.
    The initial developer of dummy_cs is David A. Hinds
    <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
    are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.

======================================================================*/

#ifdef __IN_PCMCIA_PACKAGE__
#include <pcmcia/k_compat.h>
#endif
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/netdevice.h>

#include <pcmcia/cistpl.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ds.h>

#include <linux/io.h>
#include <asm/system.h>

#include "airo.h"


/*====================================================================*/

MODULE_AUTHOR("Benjamin Reed");
MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet "
		   "cards.  This is the module that links the PCMCIA card "
		   "with the airo module.");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340 PCMCIA cards");

/*====================================================================*/

static int airo_config(struct pcmcia_device *link);
static void airo_release(struct pcmcia_device *link);

static void airo_detach(struct pcmcia_device *p_dev);

typedef struct local_info_t {
	struct net_device *eth_dev;
} local_info_t;

static int airo_probe(struct pcmcia_device *p_dev)
{
	local_info_t *local;

	dev_dbg(&p_dev->dev, "airo_attach()\n");

	/* Allocate space for private device-specific data */
	local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
	if (!local) {
		printk(KERN_ERR "airo_cs: no memory for new device\n");
		return -ENOMEM;
	}
	p_dev->priv = local;

	return airo_config(p_dev);
} /* airo_attach */

static void airo_detach(struct pcmcia_device *link)
{
	dev_dbg(&link->dev, "airo_detach\n");

	airo_release(link);

	if (((local_info_t *)link->priv)->eth_dev) {
		stop_airo_card(((local_info_t *)link->priv)->eth_dev, 0);
	}
	((local_info_t *)link->priv)->eth_dev = NULL;

	kfree(link->priv);
} /* airo_detach */

static int airo_cs_config_check(struct pcmcia_device *p_dev, void *priv_data)
{
	if (p_dev->config_index == 0)
		return -EINVAL;

	return pcmcia_request_io(p_dev);
}


static int airo_config(struct pcmcia_device *link)
{
	local_info_t *dev;
	int ret;

	dev = link->priv;

	dev_dbg(&link->dev, "airo_config\n");

	link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_VPP |
		CONF_AUTO_AUDIO | CONF_AUTO_SET_IO;

	ret = pcmcia_loop_config(link, airo_cs_config_check, NULL);
	if (ret)
		goto failed;

	if (!link->irq)
		goto failed;

	ret = pcmcia_enable_device(link);
	if (ret)
		goto failed;
	((local_info_t *)link->priv)->eth_dev =
		init_airo_card(link->irq,
			       link->resource[0]->start, 1, &link->dev);
	if (!((local_info_t *)link->priv)->eth_dev)
		goto failed;

	return 0;

 failed:
	airo_release(link);
	return -ENODEV;
} /* airo_config */

static void airo_release(struct pcmcia_device *link)
{
	dev_dbg(&link->dev, "airo_release\n");
	pcmcia_disable_device(link);
}

static int airo_suspend(struct pcmcia_device *link)
{
	local_info_t *local = link->priv;

	netif_device_detach(local->eth_dev);

	return 0;
}

static int airo_resume(struct pcmcia_device *link)
{
	local_info_t *local = link->priv;

	if (link->open) {
		reset_airo_card(local->eth_dev);
		netif_device_attach(local->eth_dev);
	}

	return 0;
}

static struct pcmcia_device_id airo_ids[] = {
	PCMCIA_DEVICE_MANF_CARD(0x015f, 0x000a),
	PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0005),
	PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0007),
	PCMCIA_DEVICE_MANF_CARD(0x0105, 0x0007),
	PCMCIA_DEVICE_NULL,
};
MODULE_DEVICE_TABLE(pcmcia, airo_ids);

static struct pcmcia_driver airo_driver = {
	.owner		= THIS_MODULE,
	.name		= "airo_cs",
	.probe		= airo_probe,
	.remove		= airo_detach,
	.id_table       = airo_ids,
	.suspend	= airo_suspend,
	.resume		= airo_resume,
};

static int __init airo_cs_init(void)
{
	return pcmcia_register_driver(&airo_driver);
}

static void __exit airo_cs_cleanup(void)
{
	pcmcia_unregister_driver(&airo_driver);
}

/*
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License
    as published by the Free Software Foundation; either version 2
    of the License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    In addition:

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:

    1. Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright
       notice, this list of conditions and the following disclaimer in the
       documentation and/or other materials provided with the distribution.
    3. The name of the author may not be used to endorse or promote
       products derived from this software without specific prior written
       permission.

    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
    STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
    IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    POSSIBILITY OF SUCH DAMAGE.
*/

module_init(airo_cs_init);
module_exit(airo_cs_cleanup);
Commit	Line	Data
1da177e4 LT	1	/*======================================================================
	2
	3	Aironet driver for 4500 and 4800 series cards
	4
	5	This code is released under both the GPL version 2 and BSD licenses.
	6	Either license may be used. The respective licenses are found at
	7	the end of this file.
	8
	9	This code was developed by Benjamin Reed <breed@users.sourceforge.net>
	10	including portions of which come from the Aironet PC4500
	11	Developer's Reference Manual and used with permission. Copyright
	12	(C) 1999 Benjamin Reed. All Rights Reserved. Permission to use
	13	code in the Developer's manual was granted for this driver by
	14	Aironet.
	15
	16	In addition this module was derived from dummy_cs.
	17	The initial developer of dummy_cs is David A. Hinds
	18	<dahinds@users.sourceforge.net>. Portions created by David A. Hinds
05c9a4cf JD	19	are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
05c9a4cf JD	20
1da177e4 LT	21	======================================================================*/
1da177e4 LT	22
1da177e4 LT	23	#ifdef __IN_PCMCIA_PACKAGE__
	24	#include <pcmcia/k_compat.h>
	25	#endif
	26	#include <linux/init.h>
	27	#include <linux/kernel.h>
	28	#include <linux/module.h>
	29	#include <linux/ptrace.h>
	30	#include <linux/slab.h>
	31	#include <linux/string.h>
	32	#include <linux/timer.h>
	33	#include <linux/netdevice.h>
	34
1da177e4 LT	35	#include <pcmcia/cistpl.h>
	36	#include <pcmcia/cisreg.h>
	37	#include <pcmcia/ds.h>
	38
05c9a4cf	39	#include <linux/io.h>
1da177e4 LT	40	#include <asm/system.h>
1da177e4 LT	41
d3808760 AB	42	#include "airo.h"
d3808760 AB	43
1da177e4 LT	44
	45	/====================================================================/
	46
	47	MODULE_AUTHOR("Benjamin Reed");
05c9a4cf JD	48	MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet "
	49	"cards. This is the module that links the PCMCIA card "
	50	"with the airo module.");
1da177e4 LT	51	MODULE_LICENSE("Dual BSD/GPL");
	52	MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340 PCMCIA cards");
	53
	54	/====================================================================/
	55
15b99ac1	56	static int airo_config(struct pcmcia_device *link);
fba395ee	57	static void airo_release(struct pcmcia_device *link);
1da177e4	58
cc3b4866	59	static void airo_detach(struct pcmcia_device *p_dev);
1da177e4	60
1da177e4	61	typedef struct local_info_t {
1da177e4 LT	62	struct net_device *eth_dev;
	63	} local_info_t;
	64
15b99ac1	65	static int airo_probe(struct pcmcia_device *p_dev)
1da177e4	66	{
1da177e4	67	local_info_t *local;
f8cfa618	68
2caff147	69	dev_dbg(&p_dev->dev, "airo_attach()\n");
1da177e4	70
1da177e4	71	/* Allocate space for private device-specific data */
b69a3aa8	72	local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
1da177e4 LT	73	if (!local) {
1da177e4 LT	74	printk(KERN_ERR "airo_cs: no memory for new device\n");
f8cfa618	75	return -ENOMEM;
1da177e4	76	}
fd238232	77	p_dev->priv = local;
f8cfa618	78
15b99ac1	79	return airo_config(p_dev);
1da177e4 LT	80	} /* airo_attach */
1da177e4 LT	81
fba395ee	82	static void airo_detach(struct pcmcia_device *link)
1da177e4	83	{
2caff147	84	dev_dbg(&link->dev, "airo_detach\n");
b4635811	85
e2d40963	86	airo_release(link);
b4635811	87
05c9a4cf JD	88	if (((local_info_t *)link->priv)->eth_dev) {
05c9a4cf JD	89	stop_airo_card(((local_info_t *)link->priv)->eth_dev, 0);
1da177e4	90	}
05c9a4cf	91	((local_info_t *)link->priv)->eth_dev = NULL;
cc3b4866	92
b4558ea9	93	kfree(link->priv);
1da177e4 LT	94	} /* airo_detach */
1da177e4 LT	95
00990e7c	96	static int airo_cs_config_check(struct pcmcia_device p_dev, void priv_data)
b54bf94b	97	{
00990e7c DB	98	if (p_dev->config_index == 0)
00990e7c DB	99	return -EINVAL;
b54bf94b	100
00990e7c	101	return pcmcia_request_io(p_dev);
b54bf94b DB	102	}
	103
	104
15b99ac1	105	static int airo_config(struct pcmcia_device *link)
1da177e4	106	{
1da177e4	107	local_info_t *dev;
2caff147	108	int ret;
fba395ee	109
1da177e4 LT	110	dev = link->priv;
1da177e4 LT	111
2caff147	112	dev_dbg(&link->dev, "airo_config\n");
e2d40963	113
440eed43	114	link->config_flags \|= CONF_ENABLE_IRQ \| CONF_AUTO_SET_VPP \|
00990e7c	115	CONF_AUTO_AUDIO \| CONF_AUTO_SET_IO;
440eed43	116
0f52e86d	117	ret = pcmcia_loop_config(link, airo_cs_config_check, NULL);
2caff147	118	if (ret)
b54bf94b DB	119	goto failed;
b54bf94b DB	120
eb14120f DB	121	if (!link->irq)
eb14120f DB	122	goto failed;
05c9a4cf	123
1ac71e5a	124	ret = pcmcia_enable_device(link);
2caff147 DB	125	if (ret)
2caff147 DB	126	goto failed;
05c9a4cf	127	((local_info_t *)link->priv)->eth_dev =
eb14120f	128	init_airo_card(link->irq,
9a017a91	129	link->resource[0]->start, 1, &link->dev);
05c9a4cf	130	if (!((local_info_t *)link->priv)->eth_dev)
2caff147	131	goto failed;
05c9a4cf	132
15b99ac1 DB	133	return 0;
15b99ac1 DB	134
b54bf94b	135	failed:
1da177e4	136	airo_release(link);
15b99ac1	137	return -ENODEV;
1da177e4 LT	138	} /* airo_config */
1da177e4 LT	139
fba395ee	140	static void airo_release(struct pcmcia_device *link)
1da177e4	141	{
2caff147	142	dev_dbg(&link->dev, "airo_release\n");
fba395ee	143	pcmcia_disable_device(link);
1da177e4 LT	144	}
1da177e4 LT	145
fba395ee	146	static int airo_suspend(struct pcmcia_device *link)
98e4c28b	147	{
98e4c28b DB	148	local_info_t *local = link->priv;
98e4c28b DB	149
e2d40963	150	netif_device_detach(local->eth_dev);
98e4c28b DB	151
	152	return 0;
	153	}
	154
fba395ee	155	static int airo_resume(struct pcmcia_device *link)
98e4c28b	156	{
98e4c28b DB	157	local_info_t *local = link->priv;
98e4c28b DB	158
e2d40963	159	if (link->open) {
98e4c28b DB	160	reset_airo_card(local->eth_dev);
	161	netif_device_attach(local->eth_dev);
	162	}
	163
	164	return 0;
	165	}
	166
7018d06d DB	167	static struct pcmcia_device_id airo_ids[] = {
	168	PCMCIA_DEVICE_MANF_CARD(0x015f, 0x000a),
	169	PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0005),
	170	PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0007),
	171	PCMCIA_DEVICE_MANF_CARD(0x0105, 0x0007),
	172	PCMCIA_DEVICE_NULL,
	173	};
	174	MODULE_DEVICE_TABLE(pcmcia, airo_ids);
	175
1da177e4 LT	176	static struct pcmcia_driver airo_driver = {
1da177e4 LT	177	.owner = THIS_MODULE,
2e9b981a	178	.name = "airo_cs",
15b99ac1	179	.probe = airo_probe,
cc3b4866	180	.remove = airo_detach,
7018d06d	181	.id_table = airo_ids,
98e4c28b DB	182	.suspend = airo_suspend,
98e4c28b DB	183	.resume = airo_resume,
1da177e4 LT	184	};
1da177e4 LT	185
06b3a1d1	186	static int __init airo_cs_init(void)
1da177e4 LT	187	{
	188	return pcmcia_register_driver(&airo_driver);
	189	}
	190
06b3a1d1	191	static void __exit airo_cs_cleanup(void)
1da177e4 LT	192	{
1da177e4 LT	193	pcmcia_unregister_driver(&airo_driver);
1da177e4 LT	194	}
	195
	196	/*
	197	This program is free software; you can redistribute it and/or
	198	modify it under the terms of the GNU General Public License
	199	as published by the Free Software Foundation; either version 2
	200	of the License, or (at your option) any later version.
	201
	202	This program is distributed in the hope that it will be useful,
	203	but WITHOUT ANY WARRANTY; without even the implied warranty of
	204	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	205	GNU General Public License for more details.
	206
	207	In addition:
	208
	209	Redistribution and use in source and binary forms, with or without
	210	modification, are permitted provided that the following conditions
	211	are met:
	212
	213	1. Redistributions of source code must retain the above copyright
	214	notice, this list of conditions and the following disclaimer.
	215	2. Redistributions in binary form must reproduce the above copyright
	216	notice, this list of conditions and the following disclaimer in the
	217	documentation and/or other materials provided with the distribution.
	218	3. The name of the author may not be used to endorse or promote
	219	products derived from this software without specific prior written
	220	permission.
	221
	222	THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	223	IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	224	WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	225	ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
	226	INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	227	(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
	228	SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	229	HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	230	STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	231	IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
05c9a4cf	232	POSSIBILITY OF SUCH DAMAGE.
1da177e4 LT	233	*/
	234
	235	module_init(airo_cs_init);
	236	module_exit(airo_cs_cleanup);