/*******************************************************************************
* Agere Systems Inc.
* Wireless device driver for Linux (wlags49).
*
* Copyright (c) 1998-2003 Agere Systems Inc.
* All rights reserved.
* http://www.agere.com
*
* Initially developed by TriplePoint, Inc.
* http://www.triplepoint.com
*
*------------------------------------------------------------------------------
*
* This file contains processing and initialization specific to Card Services
* devices (PCMCIA, CF).
*
*------------------------------------------------------------------------------
*
* SOFTWARE LICENSE
*
* This software is provided subject to the following terms and conditions,
* which you should read carefully before using the software. Using this
* software indicates your acceptance of these terms and conditions. If you do
* not agree with these terms and conditions, do not use the software.
*
* Copyright (c) 2003 Agere Systems Inc.
* All rights reserved.
*
* Redistribution and use in source or binary forms, with or without
* modifications, are permitted provided that the following conditions are met:
*
* . Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following Disclaimer as comments in the code as
* well as in the documentation and/or other materials provided with the
* distribution.
*
* . 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.
*
* . Neither the name of Agere Systems Inc. nor the names of the contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* Disclaimer
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY
* USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
* RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS 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, INCLUDING, BUT NOT LIMITED TO, 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.
*
******************************************************************************/
/*******************************************************************************
* include files
******************************************************************************/
#include <wl_version.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/ptrace.h>
#include <linux/ctype.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/in.h>
#include <linux/delay.h>
#include <asm/io.h>
#include <asm/bitops.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/if_arp.h>
#include <linux/ioport.h>
#include <linux/module.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ciscode.h>
#include <pcmcia/ds.h>
#include <debug.h>
#include <hcf.h>
#include <dhf.h>
#include <hcfdef.h>
#include <wl_if.h>
#include <wl_internal.h>
#include <wl_util.h>
#include <wl_main.h>
#include <wl_netdev.h>
#include <wl_cs.h>
/*******************************************************************************
* wl_adapter_attach()
*******************************************************************************
*
* DESCRIPTION:
*
* Creates an instance of the driver, allocating local data structures for
* one device. The device is registered with Card Services.
*
* PARAMETERS:
*
* none
*
* RETURNS:
*
* pointer to an allocated dev_link_t structure
* NULL on failure
*
******************************************************************************/
static int wl_adapter_attach(struct pcmcia_device *link)
{
struct net_device *dev;
struct wl_private *lp;
int ret;
dev = wl_device_alloc();
if (dev == NULL) {
DBG_ERROR(DbgInfo, "wl_device_alloc returned NULL\n");
return -ENOMEM;
}
link->resource[0]->end = HCF_NUM_IO_PORTS;
link->resource[0]->flags= IO_DATA_PATH_WIDTH_16;
link->config_flags |= CONF_ENABLE_IRQ;
link->config_index = 5;
link->config_regs = PRESENT_OPTION;
link->priv = dev;
lp = wl_priv(dev);
lp->link = link;
ret = wl_adapter_insert(link);
if (ret != 0)
wl_device_dealloc(dev);
return ret;
} /* wl_adapter_attach */
/*============================================================================*/
static void wl_adapter_detach(struct pcmcia_device *link)
{
struct net_device *dev = link->priv;
DBG_PARAM(DbgInfo, "link", "0x%p", link);
wl_adapter_release(link);
if (dev) {
unregister_netdev(dev);
wl_device_dealloc(dev);
}
} /* wl_adapter_detach */
/*============================================================================*/
void wl_adapter_release(struct pcmcia_device *link)
{
DBG_PARAM(DbgInfo, "link", "0x%p", link);
/* Stop hardware */
wl_remove(link->priv);
pcmcia_disable_device(link);
} /* wl_adapter_release */
/*============================================================================*/
static int wl_adapter_suspend(struct pcmcia_device *link)
{
struct net_device *dev = link->priv;
/* if (link->open) { */
netif_device_detach(dev);
wl_suspend(dev);
/* CHECK! pcmcia_release_configuration(link->handle); */
/* } */
return 0;
} /* wl_adapter_suspend */
static int wl_adapter_resume(struct pcmcia_device *link)
{
struct net_device *dev = link->priv;
wl_resume(dev);
netif_device_attach(dev);
return 0;
} /* wl_adapter_resume */
int wl_adapter_insert(struct pcmcia_device *link)
{
struct net_device *dev;
int ret;
DBG_PARAM(DbgInfo, "link", "0x%p", link);
dev = link->priv;
/* Do we need to allocate an interrupt? */
link->config_flags |= CONF_ENABLE_IRQ;
link->io_lines = 6;
ret = pcmcia_request_io(link);
if (ret != 0)
goto failed;
ret = pcmcia_request_irq(link, (void *) wl_isr);
if (ret != 0)
goto failed;
ret = pcmcia_enable_device(link);
if (ret != 0)
goto failed;
dev->irq = link->irq;
dev->base_addr = link->resource[0]->start;
SET_NETDEV_DEV(dev, &link->dev);
ret = register_netdev(dev);
if (ret != 0) {
printk("%s: register_netdev() failed\n", KBUILD_MODNAME);
goto failed;
}
printk(KERN_INFO "%s: Wireless, io_addr %#03lx, irq %d, mac_address"
" %pM\n", dev->name, dev->base_addr, dev->irq, dev->dev_addr);
return 0;
failed:
wl_adapter_release(link);
return ret;
} /* wl_adapter_insert */
/*============================================================================*/
/*******************************************************************************
* wl_adapter_open()
*******************************************************************************
*
* DESCRIPTION:
*
* Open the device.
*
* PARAMETERS:
*
* dev - a pointer to a net_device structure representing the network
* device to open.
*
* RETURNS:
*
* 0 on success
* errno value otherwise
*
******************************************************************************/
int wl_adapter_open(struct net_device *dev)
{
struct wl_private *lp = wl_priv(dev);
struct pcmcia_device *link = lp->link;
int result = 0;
int hcf_status = HCF_SUCCESS;
DBG_PRINT("%s\n", VERSION_INFO);
DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev);
if (!pcmcia_dev_present(link))
return -ENODEV;
link->open++;
hcf_status = wl_open(dev);
if (hcf_status != HCF_SUCCESS) {
link->open--;
result = -ENODEV;
}
return result;
} /* wl_adapter_open */
/*============================================================================*/
/*******************************************************************************
* wl_adapter_close()
*******************************************************************************
*
* DESCRIPTION:
*
* Close the device.
*
* PARAMETERS:
*
* dev - a pointer to a net_device structure representing the network
* device to close.
*
* RETURNS:
*
* 0 on success
* errno value otherwise
*
******************************************************************************/
int wl_adapter_close(struct net_device *dev)
{
struct wl_private *lp = wl_priv(dev);
struct pcmcia_device *link = lp->link;
DBG_PARAM(DbgInfo, "dev", "%s (0x%p)", dev->name, dev);
if (link == NULL)
return -ENODEV;
DBG_TRACE(DbgInfo, "%s: Shutting down adapter.\n", dev->name);
wl_close(dev);
link->open--;
return 0;
} /* wl_adapter_close */
/*============================================================================*/
static const struct pcmcia_device_id wl_adapter_ids[] = {
#if !((HCF_TYPE) & HCF_TYPE_HII5)
PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0003),
PCMCIA_DEVICE_PROD_ID12("Agere Systems", "Wireless PC Card Model 0110",
0x33103a9b, 0xe175b0dd),
#else
PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0004),
PCMCIA_DEVICE_PROD_ID12("Linksys", "WCF54G_Wireless-G_CompactFlash_Card",
0x0733cc81, 0x98a599e1),
#endif /* (HCF_TYPE) & HCF_TYPE_HII5 */
PCMCIA_DEVICE_NULL,
};
MODULE_DEVICE_TABLE(pcmcia, wl_adapter_ids);
static struct pcmcia_driver wlags49_driver = {
.owner = THIS_MODULE,
.name = DRIVER_NAME,
.probe = wl_adapter_attach,
.remove = wl_adapter_detach,
.id_table = wl_adapter_ids,
.suspend = wl_adapter_suspend,
.resume = wl_adapter_resume,
};
/*******************************************************************************
* wl_adapter_init_module()
*******************************************************************************
*
* DESCRIPTION:
*
* Called by init_module() to perform PCMCIA driver initialization.
*
* PARAMETERS:
*
* N/A
*
* RETURNS:
*
* 0 on success
* -1 on error
*
******************************************************************************/
int wl_adapter_init_module(void)
{
return pcmcia_register_driver(&wlags49_driver);
} /* wl_adapter_init_module */
/*============================================================================*/
/*******************************************************************************
* wl_adapter_cleanup_module()
*******************************************************************************
*
* DESCRIPTION:
*
* Called by cleanup_module() to perform driver uninitialization.
*
* PARAMETERS:
*
* N/A
*
* RETURNS:
*
* N/A
*
******************************************************************************/
void wl_adapter_cleanup_module(void)
{
pcmcia_unregister_driver(&wlags49_driver);
} /* wl_adapter_cleanup_module */
/*============================================================================*/
/*******************************************************************************
* wl_adapter_is_open()
*******************************************************************************
*
* DESCRIPTION:
*
* Check with Card Services to determine if this device is open.
*
* PARAMETERS:
*
* dev - a pointer to the net_device structure whose open status will be
* checked
*
* RETURNS:
*
* nonzero if device is open
* 0 otherwise
*
******************************************************************************/
int wl_adapter_is_open(struct net_device *dev)
{
struct wl_private *lp = wl_priv(dev);
struct pcmcia_device *link = lp->link;
if (!pcmcia_dev_present(link))
return 0;
return link->open;
} /* wl_adapter_is_open */
/*============================================================================*/
