699 lines
19 KiB
C
699 lines
19 KiB
C
/*******************************************************************************
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* Agere Systems Inc.
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* Wireless device driver for Linux (wlags49).
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*
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* Copyright (c) 1998-2003 Agere Systems Inc.
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* All rights reserved.
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* http://www.agere.com
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*
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* Initially developed by TriplePoint, Inc.
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* http://www.triplepoint.com
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*
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*------------------------------------------------------------------------------
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*
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* This file contains processing and initialization specific to Card Services
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* devices (PCMCIA, CF).
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*
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*------------------------------------------------------------------------------
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*
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* SOFTWARE LICENSE
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*
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* This software is provided subject to the following terms and conditions,
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* which you should read carefully before using the software. Using this
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* software indicates your acceptance of these terms and conditions. If you do
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* not agree with these terms and conditions, do not use the software.
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*
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* Copyright © 2003 Agere Systems Inc.
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* All rights reserved.
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*
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* Redistribution and use in source or binary forms, with or without
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* modifications, are permitted provided that the following conditions are met:
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*
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* . Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following Disclaimer as comments in the code as
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* well as in the documentation and/or other materials provided with the
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* distribution.
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*
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* . Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following Disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* . Neither the name of Agere Systems Inc. nor the names of the contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* Disclaimer
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*
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* THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY
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* USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
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* RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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******************************************************************************/
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/*******************************************************************************
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* include files
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******************************************************************************/
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#include <wl_version.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/ptrace.h>
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#include <linux/ctype.h>
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#include <linux/string.h>
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#include <linux/timer.h>
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#include <linux/interrupt.h>
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#include <linux/in.h>
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#include <linux/delay.h>
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#include <asm/io.h>
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#include <asm/system.h>
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#include <asm/bitops.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/skbuff.h>
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#include <linux/if_arp.h>
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#include <linux/ioport.h>
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#include <pcmcia/cs_types.h>
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#include <pcmcia/cs.h>
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#include <pcmcia/cistpl.h>
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#include <pcmcia/cisreg.h>
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#include <pcmcia/ciscode.h>
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#include <pcmcia/ds.h>
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#include <debug.h>
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#include <hcf.h>
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#include <dhf.h>
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#include <hcfdef.h>
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#include <wl_if.h>
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#include <wl_internal.h>
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#include <wl_util.h>
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#include <wl_main.h>
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#include <wl_netdev.h>
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#include <wl_cs.h>
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#include <wl_sysfs.h>
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/*******************************************************************************
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* macro definitions
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******************************************************************************/
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#define CS_CHECK(fn, ret) do { \
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last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; \
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} while (0)
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/*******************************************************************************
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* global definitions
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******************************************************************************/
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#if DBG
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extern dbg_info_t *DbgInfo;
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#endif /* DBG */
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/*******************************************************************************
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* wl_adapter_attach()
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*******************************************************************************
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*
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* DESCRIPTION:
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*
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* Creates an instance of the driver, allocating local data structures for
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* one device. The device is registered with Card Services.
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*
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* PARAMETERS:
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*
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* none
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*
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* RETURNS:
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*
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* pointer to an allocated dev_link_t structure
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* NULL on failure
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*
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******************************************************************************/
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static int wl_adapter_attach(struct pcmcia_device *link)
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{
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struct net_device *dev;
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struct wl_private *lp;
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/*------------------------------------------------------------------------*/
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DBG_FUNC( "wl_adapter_attach" );
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DBG_ENTER( DbgInfo );
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dev = wl_device_alloc();
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if(dev == NULL) {
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DBG_ERROR( DbgInfo, "wl_device_alloc returned NULL\n");
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return -ENOMEM;
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}
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link->io.NumPorts1 = HCF_NUM_IO_PORTS;
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link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
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link->io.IOAddrLines = 6;
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link->conf.Attributes = CONF_ENABLE_IRQ;
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link->conf.IntType = INT_MEMORY_AND_IO;
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link->conf.ConfigIndex = 5;
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link->conf.Present = PRESENT_OPTION;
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link->priv = dev;
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lp = wl_priv(dev);
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lp->link = link;
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wl_adapter_insert(link);
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DBG_LEAVE( DbgInfo );
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return 0;
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} // wl_adapter_attach
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/*============================================================================*/
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/*******************************************************************************
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* wl_adapter_detach()
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*******************************************************************************
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*
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* DESCRIPTION:
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*
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* This deletes a driver "instance". The device is de-registered with Card
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* Services. If it has been released, then the net device is unregistered, and
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* all local data structures are freed. Otherwise, the structures will be
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* freed when the device is released.
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*
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* PARAMETERS:
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*
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* link - pointer to the dev_link_t structure representing the device to
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* detach
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*
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* RETURNS:
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*
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* N/A
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*
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******************************************************************************/
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static void wl_adapter_detach(struct pcmcia_device *link)
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{
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struct net_device *dev = link->priv;
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/*------------------------------------------------------------------------*/
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DBG_FUNC( "wl_adapter_detach" );
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DBG_ENTER( DbgInfo );
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DBG_PARAM( DbgInfo, "link", "0x%p", link );
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wl_adapter_release(link);
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if (dev) {
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unregister_wlags_sysfs(dev);
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unregister_netdev(dev);
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}
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wl_device_dealloc(dev);
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DBG_LEAVE( DbgInfo );
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} // wl_adapter_detach
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/*============================================================================*/
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/*******************************************************************************
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* wl_adapter_release()
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*******************************************************************************
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*
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* DESCRIPTION:
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*
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* After a card is removed, this routine will release the PCMCIA
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* configuration. If the device is still open, this will be postponed until it
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* is closed.
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*
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* PARAMETERS:
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*
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* arg - a u_long representing a pointer to a dev_link_t structure for the
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* device to be released.
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*
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* RETURNS:
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*
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* N/A
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*
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******************************************************************************/
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void wl_adapter_release( struct pcmcia_device *link )
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{
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DBG_FUNC( "wl_adapter_release" );
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DBG_ENTER( DbgInfo );
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DBG_PARAM( DbgInfo, "link", "0x%p", link);
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/* Stop hardware */
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wl_remove(link->priv);
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pcmcia_disable_device(link);
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DBG_LEAVE( DbgInfo );
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} // wl_adapter_release
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/*============================================================================*/
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static int wl_adapter_suspend(struct pcmcia_device *link)
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{
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struct net_device *dev = link->priv;
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//if (link->open) {
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netif_device_detach(dev);
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wl_suspend(dev);
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//// CHECK! pcmcia_release_configuration(link->handle);
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//}
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return 0;
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} // wl_adapter_suspend
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static int wl_adapter_resume(struct pcmcia_device *link)
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{
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struct net_device *dev = link->priv;
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wl_resume(dev);
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netif_device_attach( dev );
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return 0;
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} // wl_adapter_resume
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/*******************************************************************************
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* wl_adapter_insert()
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*******************************************************************************
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*
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* DESCRIPTION:
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*
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* wl_adapter_insert() is scheduled to run after a CARD_INSERTION event is
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* received, to configure the PCMCIA socket, and to make the ethernet device
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* available to the system.
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*
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* PARAMETERS:
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*
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* link - pointer to the dev_link_t structure representing the device to
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* insert
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*
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* RETURNS:
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*
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* N/A
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*
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******************************************************************************/
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void wl_adapter_insert( struct pcmcia_device *link )
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{
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struct net_device *dev;
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int i;
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int last_fn, last_ret;
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/*------------------------------------------------------------------------*/
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DBG_FUNC( "wl_adapter_insert" );
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DBG_ENTER( DbgInfo );
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DBG_PARAM( DbgInfo, "link", "0x%p", link );
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dev = link->priv;
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/* Do we need to allocate an interrupt? */
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link->conf.Attributes |= CONF_ENABLE_IRQ;
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CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
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CS_CHECK(RequestIRQ, pcmcia_request_irq(link, wl_isr));
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CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
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dev->irq = link->irq;
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dev->base_addr = link->io.BasePort1;
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SET_NETDEV_DEV(dev, &handle_to_dev(link));
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if (register_netdev(dev) != 0) {
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printk("%s: register_netdev() failed\n", MODULE_NAME);
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goto failed;
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}
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link->dev_node = &( wl_priv(dev) )->node;
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strcpy(( wl_priv(dev) )->node.dev_name, dev->name);
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register_wlags_sysfs(dev);
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printk(KERN_INFO "%s: Wireless, io_addr %#03lx, irq %d, ""mac_address ",
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dev->name, dev->base_addr, dev->irq);
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for( i = 0; i < ETH_ALEN; i++ ) {
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printk("%02X%c", dev->dev_addr[i], ((i < (ETH_ALEN-1)) ? ':' : '\n'));
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}
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DBG_LEAVE( DbgInfo );
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return;
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cs_failed:
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cs_error( link, last_fn, last_ret );
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failed:
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wl_adapter_release( link );
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DBG_LEAVE(DbgInfo);
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return;
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} // wl_adapter_insert
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/*============================================================================*/
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/*******************************************************************************
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* wl_adapter_open()
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*******************************************************************************
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*
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* DESCRIPTION:
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*
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* Open the device.
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*
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* PARAMETERS:
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*
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* dev - a pointer to a net_device structure representing the network
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* device to open.
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*
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* RETURNS:
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*
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* 0 on success
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* errno value otherwise
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*
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******************************************************************************/
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int wl_adapter_open( struct net_device *dev )
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{
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struct wl_private *lp = wl_priv(dev);
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struct pcmcia_device *link = lp->link;
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int result = 0;
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int hcf_status = HCF_SUCCESS;
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/*------------------------------------------------------------------------*/
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DBG_FUNC( "wl_adapter_open" );
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DBG_ENTER( DbgInfo );
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DBG_PRINT( "%s\n", VERSION_INFO );
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DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev );
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if(!pcmcia_dev_present(link))
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{
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DBG_LEAVE( DbgInfo );
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return -ENODEV;
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}
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link->open++;
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hcf_status = wl_open( dev );
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if( hcf_status != HCF_SUCCESS ) {
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link->open--;
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result = -ENODEV;
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}
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DBG_LEAVE( DbgInfo );
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return result;
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} // wl_adapter_open
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/*============================================================================*/
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/*******************************************************************************
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* wl_adapter_close()
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*******************************************************************************
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*
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* DESCRIPTION:
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*
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* Close the device.
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*
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* PARAMETERS:
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*
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* dev - a pointer to a net_device structure representing the network
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* device to close.
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*
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* RETURNS:
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*
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* 0 on success
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* errno value otherwise
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*
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******************************************************************************/
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int wl_adapter_close( struct net_device *dev )
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{
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struct wl_private *lp = wl_priv(dev);
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struct pcmcia_device *link = lp->link;
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/*------------------------------------------------------------------------*/
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DBG_FUNC( "wl_adapter_close" );
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DBG_ENTER( DbgInfo );
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DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev );
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if( link == NULL ) {
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DBG_LEAVE( DbgInfo );
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return -ENODEV;
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}
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DBG_TRACE( DbgInfo, "%s: Shutting down adapter.\n", dev->name );
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wl_close( dev );
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link->open--;
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DBG_LEAVE( DbgInfo );
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return 0;
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} // wl_adapter_close
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/*============================================================================*/
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static struct pcmcia_device_id wl_adapter_ids[] = {
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#if ! ((HCF_TYPE) & HCF_TYPE_HII5)
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PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0003),
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PCMCIA_DEVICE_PROD_ID12("Agere Systems", "Wireless PC Card Model 0110",
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0x33103a9b, 0xe175b0dd),
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#else
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PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0004),
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PCMCIA_DEVICE_PROD_ID12("Linksys", "WCF54G_Wireless-G_CompactFlash_Card",
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0x0733cc81, 0x98a599e1),
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#endif // (HCF_TYPE) & HCF_TYPE_HII5
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PCMCIA_DEVICE_NULL,
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};
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MODULE_DEVICE_TABLE(pcmcia, wl_adapter_ids);
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static struct pcmcia_driver wlags49_driver = {
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.owner = THIS_MODULE,
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.drv = {
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.name = DRIVER_NAME,
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},
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.probe = wl_adapter_attach,
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.remove = wl_adapter_detach,
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.id_table = wl_adapter_ids,
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.suspend = wl_adapter_suspend,
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.resume = wl_adapter_resume,
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};
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/*******************************************************************************
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* wl_adapter_init_module()
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*******************************************************************************
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*
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* DESCRIPTION:
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*
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* Called by init_module() to perform PCMCIA driver initialization.
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*
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* PARAMETERS:
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*
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* N/A
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*
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* RETURNS:
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*
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* 0 on success
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* -1 on error
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*
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******************************************************************************/
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int wl_adapter_init_module( void )
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{
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int ret;
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/*------------------------------------------------------------------------*/
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DBG_FUNC( "wl_adapter_init_module" );
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DBG_ENTER( DbgInfo );
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DBG_TRACE( DbgInfo, "wl_adapter_init_module() -- PCMCIA\n" );
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ret = pcmcia_register_driver(&wlags49_driver);
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DBG_LEAVE( DbgInfo );
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return ret;
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} // wl_adapter_init_module
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/*============================================================================*/
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/*******************************************************************************
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* wl_adapter_cleanup_module()
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*******************************************************************************
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*
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* DESCRIPTION:
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*
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* Called by cleanup_module() to perform driver uninitialization.
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*
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* PARAMETERS:
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*
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* N/A
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*
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* RETURNS:
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*
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* N/A
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*
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******************************************************************************/
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void wl_adapter_cleanup_module( void )
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{
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DBG_FUNC( "wl_adapter_cleanup_module" );
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DBG_ENTER( DbgInfo );
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DBG_TRACE( DbgInfo, "wl_adapter_cleanup_module() -- PCMCIA\n" );
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pcmcia_unregister_driver(&wlags49_driver);
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DBG_LEAVE( DbgInfo );
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return;
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} // wl_adapter_cleanup_module
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/*============================================================================*/
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/*******************************************************************************
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* wl_adapter_is_open()
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*******************************************************************************
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*
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* DESCRIPTION:
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*
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* Check with Card Services to determine if this device is open.
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*
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* PARAMETERS:
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*
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* dev - a pointer to the net_device structure whose open status will be
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* checked
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*
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* RETURNS:
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*
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* nonzero if device is open
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* 0 otherwise
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*
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******************************************************************************/
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int wl_adapter_is_open( struct net_device *dev )
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{
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struct wl_private *lp = wl_priv(dev);
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struct pcmcia_device *link = lp->link;
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|
|
if(!pcmcia_dev_present(link)) {
|
|
return 0;
|
|
}
|
|
|
|
return( link->open );
|
|
} // wl_adapter_is_open
|
|
/*============================================================================*/
|
|
|
|
|
|
#if DBG
|
|
|
|
/*******************************************************************************
|
|
* DbgEvent()
|
|
*******************************************************************************
|
|
*
|
|
* DESCRIPTION:
|
|
*
|
|
* Converts the card serivces events to text for debugging.
|
|
*
|
|
* PARAMETERS:
|
|
*
|
|
* mask - a integer representing the error(s) being reported by Card
|
|
* Services.
|
|
*
|
|
* RETURNS:
|
|
*
|
|
* a pointer to a string describing the error(s)
|
|
*
|
|
******************************************************************************/
|
|
const char* DbgEvent( int mask )
|
|
{
|
|
static char DbgBuffer[256];
|
|
char *pBuf;
|
|
/*------------------------------------------------------------------------*/
|
|
|
|
|
|
pBuf = DbgBuffer;
|
|
*pBuf = '\0';
|
|
|
|
|
|
if( mask & CS_EVENT_WRITE_PROTECT )
|
|
strcat( pBuf, "WRITE_PROTECT " );
|
|
|
|
if(mask & CS_EVENT_CARD_LOCK)
|
|
strcat( pBuf, "CARD_LOCK " );
|
|
|
|
if(mask & CS_EVENT_CARD_INSERTION)
|
|
strcat( pBuf, "CARD_INSERTION " );
|
|
|
|
if(mask & CS_EVENT_CARD_REMOVAL)
|
|
strcat( pBuf, "CARD_REMOVAL " );
|
|
|
|
if(mask & CS_EVENT_BATTERY_DEAD)
|
|
strcat( pBuf, "BATTERY_DEAD " );
|
|
|
|
if(mask & CS_EVENT_BATTERY_LOW)
|
|
strcat( pBuf, "BATTERY_LOW " );
|
|
|
|
if(mask & CS_EVENT_READY_CHANGE)
|
|
strcat( pBuf, "READY_CHANGE " );
|
|
|
|
if(mask & CS_EVENT_CARD_DETECT)
|
|
strcat( pBuf, "CARD_DETECT " );
|
|
|
|
if(mask & CS_EVENT_RESET_REQUEST)
|
|
strcat( pBuf, "RESET_REQUEST " );
|
|
|
|
if(mask & CS_EVENT_RESET_PHYSICAL)
|
|
strcat( pBuf, "RESET_PHYSICAL " );
|
|
|
|
if(mask & CS_EVENT_CARD_RESET)
|
|
strcat( pBuf, "CARD_RESET " );
|
|
|
|
if(mask & CS_EVENT_REGISTRATION_COMPLETE)
|
|
strcat( pBuf, "REGISTRATION_COMPLETE " );
|
|
|
|
// if(mask & CS_EVENT_RESET_COMPLETE)
|
|
// strcat( pBuf, "RESET_COMPLETE " );
|
|
|
|
if(mask & CS_EVENT_PM_SUSPEND)
|
|
strcat( pBuf, "PM_SUSPEND " );
|
|
|
|
if(mask & CS_EVENT_PM_RESUME)
|
|
strcat( pBuf, "PM_RESUME " );
|
|
|
|
if(mask & CS_EVENT_INSERTION_REQUEST)
|
|
strcat( pBuf, "INSERTION_REQUEST " );
|
|
|
|
if(mask & CS_EVENT_EJECTION_REQUEST)
|
|
strcat( pBuf, "EJECTION_REQUEST " );
|
|
|
|
if(mask & CS_EVENT_MTD_REQUEST)
|
|
strcat( pBuf, "MTD_REQUEST " );
|
|
|
|
if(mask & CS_EVENT_ERASE_COMPLETE)
|
|
strcat( pBuf, "ERASE_COMPLETE " );
|
|
|
|
if(mask & CS_EVENT_REQUEST_ATTENTION)
|
|
strcat( pBuf, "REQUEST_ATTENTION " );
|
|
|
|
if(mask & CS_EVENT_CB_DETECT)
|
|
strcat( pBuf, "CB_DETECT " );
|
|
|
|
if(mask & CS_EVENT_3VCARD)
|
|
strcat( pBuf, "3VCARD " );
|
|
|
|
if(mask & CS_EVENT_XVCARD)
|
|
strcat( pBuf, "XVCARD " );
|
|
|
|
|
|
if( *pBuf ) {
|
|
pBuf[strlen(pBuf) - 1] = '\0';
|
|
} else {
|
|
if( mask != 0x0 ) {
|
|
sprintf( pBuf, "<<0x%08x>>", mask );
|
|
}
|
|
}
|
|
|
|
return pBuf;
|
|
} // DbgEvent
|
|
/*============================================================================*/
|
|
|
|
#endif /* DBG */
|