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path: root/drivers/net/wireless/cisco/airo_cs.c
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Diffstat (limited to 'drivers/net/wireless/cisco/airo_cs.c')
-rw-r--r--drivers/net/wireless/cisco/airo_cs.c222
1 files changed, 222 insertions, 0 deletions
diff --git a/drivers/net/wireless/cisco/airo_cs.c b/drivers/net/wireless/cisco/airo_cs.c
new file mode 100644
index 0000000..d9ed22b
--- /dev/null
+++ b/drivers/net/wireless/cisco/airo_cs.c
@@ -0,0 +1,222 @@
+/*======================================================================
+
+ 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);
+} /* 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);
+} /* 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)
+{
+ 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;
+} /* 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)
+{
+ struct local_info *local = link->priv;
+
+ netif_device_detach(local->eth_dev);
+
+ return 0;
+}
+
+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;
+}
+
+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.
+*/