441 lines
12 KiB
C
441 lines
12 KiB
C
/*******************************************************************************
|
|
* 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 */
|
|
/*============================================================================*/
|