| /******************************************************************************* |
| * 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/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 = 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, &link->dev); |
| 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 */ |