diff options
Diffstat (limited to 'drivers/net/wireless/cisco/airo_cs.c')
| -rw-r--r-- | drivers/net/wireless/cisco/airo_cs.c | 222 |
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 000000000000..d9ed22b4cc6b --- /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. +*/ |