Release 4.11 drivers/net/wireless/cisco/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/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 "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);


struct local_info {
	
struct net_device *eth_dev;
};



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

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

	/* Allocate space for private device-specific data */
	local = kzalloc(sizeof(*local), GFP_KERNEL);
	if (!local)
		return -ENOMEM;

	p_dev->priv = local;

	return airo_config(p_dev);
} 
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32
52.46%
1
12.50%
Dominik Brodowski
17
27.87%
4
50.00%
Dave Jones
7
11.48%
1
12.50%
Himangi Saraogi
4
6.56%
1
12.50%
Panagiotis Issaris
1
1.64%
1
12.50%
Total
61
100.00%
8
100.00%

/* airo_attach */



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

	airo_release(link);

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

	kfree(link->priv);
} 
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Linus Torvalds
67
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Dominik Brodowski
9
10.84%
3
50.00%
Himangi Saraogi
6
7.23%
1
16.67%
Al Viro
1
1.20%
1
16.67%
Total
83
100.00%
6
100.00%

/* 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);
}


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Dominik Brodowski
20
60.61%
4
66.67%
Linus Torvalds
10
30.30%
1
16.67%
Andrew Morton
3
9.09%
1
16.67%
Total
33
100.00%
6
100.00%



static int airo_config(struct pcmcia_device *link)
{
	struct local_info *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;
	((struct local_info *)link->priv)->eth_dev =
		init_airo_card(link->irq,
			       link->resource[0]->start, 1, &link->dev);
	if (!((struct local_info *)link->priv)->eth_dev)
		goto failed;

	return 0;

 failed:
	airo_release(link);
	return -ENODEV;
} 
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Dominik Brodowski
95
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12
80.00%
Linus Torvalds
55
34.81%
1
6.67%
Himangi Saraogi
6
3.80%
1
6.67%
Andrew Morton
2
1.27%
1
6.67%
Total
158
100.00%
15
100.00%

/* airo_config */



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

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15
57.69%
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Dominik Brodowski
9
34.62%
3
60.00%
Christoph Hellwig
2
7.69%
1
20.00%
Total
26
100.00%
5
100.00%



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

	netif_device_detach(local->eth_dev);

	return 0;
}

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20
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8
26.67%
2
50.00%
Himangi Saraogi
2
6.67%
1
25.00%
Total
30
100.00%
4
100.00%



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

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

	return 0;
}

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30
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Linus Torvalds
13
28.89%
1
20.00%
Himangi Saraogi
2
4.44%
1
20.00%
Total
45
100.00%
5
100.00%


static const 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,
};

module_pcmcia_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.
*/
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6.06%
Dominik Brodowski
259
40.34%
19
57.58%
Christoph Hellwig
29
4.52%
2
6.06%
Himangi Saraogi
22
3.43%
1
3.03%
Dave Jones
7
1.09%
1
3.03%
John Daiker
6
0.93%
1
3.03%
Andrew Morton
5
0.78%
1
3.03%
Arnaldo Carvalho de Melo
3
0.47%
1
3.03%
H Hartley Sweeten
1
0.16%
1
3.03%
Al Viro
1
0.16%
1
3.03%
Joe Perches
1
0.16%
1
3.03%
Adrian Bunk
1
0.16%
1
3.03%
Panagiotis Issaris
1
0.16%
1
3.03%
Total
642
100.00%
33
100.00%
Directory: drivers/net/wireless/cisco

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