diff options
Diffstat (limited to 'drivers/staging/wlags49_h2/wl_cs.c')
| -rw-r--r-- | drivers/staging/wlags49_h2/wl_cs.c | 702 |
1 files changed, 702 insertions, 0 deletions
diff --git a/drivers/staging/wlags49_h2/wl_cs.c b/drivers/staging/wlags49_h2/wl_cs.c new file mode 100644 index 000000000000..811a8daa660e --- /dev/null +++ b/drivers/staging/wlags49_h2/wl_cs.c @@ -0,0 +1,702 @@ +/******************************************************************************* + * 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 © 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/slab.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/system.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 <pcmcia/cs_types.h> +#include <pcmcia/cs.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> +#include <wl_sysfs.h> + + +/******************************************************************************* + * macro definitions + ******************************************************************************/ +#define CS_CHECK(fn, ret) do { \ + last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; \ + } while (0) + +/******************************************************************************* + * global definitions + ******************************************************************************/ +#if DBG +extern dbg_info_t *DbgInfo; +#endif /* DBG */ + + +/******************************************************************************* + * 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; + /*------------------------------------------------------------------------*/ + + DBG_FUNC( "wl_adapter_attach" ); + DBG_ENTER( DbgInfo ); + + dev = wl_device_alloc(); + if(dev == NULL) { + DBG_ERROR( DbgInfo, "wl_device_alloc returned NULL\n"); + return -ENOMEM; + } + + link->io.NumPorts1 = HCF_NUM_IO_PORTS; + link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; + link->io.IOAddrLines = 6; + link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT; + link->irq.IRQInfo1 = IRQ_INFO2_VALID | IRQ_LEVEL_ID; + link->irq.Handler = &wl_isr; + link->conf.Attributes = CONF_ENABLE_IRQ; + link->conf.IntType = INT_MEMORY_AND_IO; + link->conf.ConfigIndex = 5; + link->conf.Present = PRESENT_OPTION; + + link->priv = link->irq.Instance = dev; + lp = wl_priv(dev); + lp->link = link; + + wl_adapter_insert(link); + + DBG_LEAVE( DbgInfo ); + return 0; +} // wl_adapter_attach +/*============================================================================*/ + + + +/******************************************************************************* + * wl_adapter_detach() + ******************************************************************************* + * + * DESCRIPTION: + * + * This deletes a driver "instance". The device is de-registered with Card + * Services. If it has been released, then the net device is unregistered, and + * all local data structures are freed. Otherwise, the structures will be + * freed when the device is released. + * + * PARAMETERS: + * + * link - pointer to the dev_link_t structure representing the device to + * detach + * + * RETURNS: + * + * N/A + * + ******************************************************************************/ +static void wl_adapter_detach(struct pcmcia_device *link) +{ + struct net_device *dev = link->priv; + /*------------------------------------------------------------------------*/ + + + DBG_FUNC( "wl_adapter_detach" ); + DBG_ENTER( DbgInfo ); + DBG_PARAM( DbgInfo, "link", "0x%p", link ); + + wl_adapter_release(link); + + if (dev) { + unregister_wlags_sysfs(dev); + unregister_netdev(dev); + } + + wl_device_dealloc(dev); + + DBG_LEAVE( DbgInfo ); +} // wl_adapter_detach +/*============================================================================*/ + + +/******************************************************************************* + * wl_adapter_release() + ******************************************************************************* + * + * DESCRIPTION: + * + * After a card is removed, this routine will release the PCMCIA + * configuration. If the device is still open, this will be postponed until it + * is closed. + * + * PARAMETERS: + * + * arg - a u_long representing a pointer to a dev_link_t structure for the + * device to be released. + * + * RETURNS: + * + * N/A + * + ******************************************************************************/ +void wl_adapter_release( struct pcmcia_device *link ) +{ + DBG_FUNC( "wl_adapter_release" ); + DBG_ENTER( DbgInfo ); + DBG_PARAM( DbgInfo, "link", "0x%p", link); + + /* Stop hardware */ + wl_remove(link->priv); + + pcmcia_disable_device(link); + + DBG_LEAVE( DbgInfo ); +} // 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 + +/******************************************************************************* + * wl_adapter_insert() + ******************************************************************************* + * + * DESCRIPTION: + * + * wl_adapter_insert() is scheduled to run after a CARD_INSERTION event is + * received, to configure the PCMCIA socket, and to make the ethernet device + * available to the system. + * + * PARAMETERS: + * + * link - pointer to the dev_link_t structure representing the device to + * insert + * + * RETURNS: + * + * N/A + * + ******************************************************************************/ +void wl_adapter_insert( struct pcmcia_device *link ) +{ + struct net_device *dev; + int i; + int last_fn, last_ret; + /*------------------------------------------------------------------------*/ + + DBG_FUNC( "wl_adapter_insert" ); + DBG_ENTER( DbgInfo ); + DBG_PARAM( DbgInfo, "link", "0x%p", link ); + + dev = link->priv; + + /* Do we need to allocate an interrupt? */ + link->conf.Attributes |= CONF_ENABLE_IRQ; + + CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io)); + CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); + + + dev->irq = link->irq.AssignedIRQ; + dev->base_addr = link->io.BasePort1; + + SET_NETDEV_DEV(dev, &handle_to_dev(link)); + if (register_netdev(dev) != 0) { + printk("%s: register_netdev() failed\n", MODULE_NAME); + goto failed; + } + link->dev_node = &( wl_priv(dev) )->node; + strcpy(( wl_priv(dev) )->node.dev_name, dev->name); + register_wlags_sysfs(dev); + + printk(KERN_INFO "%s: Wireless, io_addr %#03lx, irq %d, ""mac_address ", + dev->name, dev->base_addr, dev->irq); + for( i = 0; i < ETH_ALEN; i++ ) { + printk("%02X%c", dev->dev_addr[i], ((i < (ETH_ALEN-1)) ? ':' : '\n')); + } + + DBG_LEAVE( DbgInfo ); + return; + + +cs_failed: + cs_error( link, last_fn, last_ret ); + + +failed: + wl_adapter_release( link ); + + DBG_LEAVE(DbgInfo); + return; +} // 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_FUNC( "wl_adapter_open" ); + DBG_ENTER( DbgInfo ); + DBG_PRINT( "%s\n", VERSION_INFO ); + DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev ); + + if(!pcmcia_dev_present(link)) + { + DBG_LEAVE( DbgInfo ); + return -ENODEV; + } + + link->open++; + + hcf_status = wl_open( dev ); + + if( hcf_status != HCF_SUCCESS ) { + link->open--; + result = -ENODEV; + } + + DBG_LEAVE( DbgInfo ); + 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_FUNC( "wl_adapter_close" ); + DBG_ENTER( DbgInfo ); + DBG_PARAM( DbgInfo, "dev", "%s (0x%p)", dev->name, dev ); + + if( link == NULL ) { + DBG_LEAVE( DbgInfo ); + return -ENODEV; + } + + DBG_TRACE( DbgInfo, "%s: Shutting down adapter.\n", dev->name ); + wl_close( dev ); + + link->open--; + + DBG_LEAVE( DbgInfo ); + return 0; +} // wl_adapter_close +/*============================================================================*/ + +static 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, + .drv = { + .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 ) +{ + int ret; + /*------------------------------------------------------------------------*/ + + + DBG_FUNC( "wl_adapter_init_module" ); + DBG_ENTER( DbgInfo ); + DBG_TRACE( DbgInfo, "wl_adapter_init_module() -- PCMCIA\n" ); + + ret = pcmcia_register_driver(&wlags49_driver); + + DBG_LEAVE( DbgInfo ); + return ret; +} // 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 ) +{ + DBG_FUNC( "wl_adapter_cleanup_module" ); + DBG_ENTER( DbgInfo ); + DBG_TRACE( DbgInfo, "wl_adapter_cleanup_module() -- PCMCIA\n" ); + + + pcmcia_unregister_driver(&wlags49_driver); + + DBG_LEAVE( DbgInfo ); + return; +} // 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 +/*============================================================================*/ + + +#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 */ |