| /******************************************************************************* |
| * 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/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 <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> |
| #include <wl_sysfs.h> |
| |
| |
| /******************************************************************************* |
| * 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->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; |
| |
| wl_adapter_insert(link); |
| |
| DBG_LEAVE(DbgInfo); |
| return 0; |
| } /* wl_adapter_attach */ |
| /*============================================================================*/ |
| |
| |
| |
| 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 */ |
| /*============================================================================*/ |
| |
| |
| 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 */ |
| |
| void wl_adapter_insert(struct pcmcia_device *link) |
| { |
| struct net_device *dev; |
| int 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->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); |
| if (register_netdev(dev) != 0) { |
| printk("%s: register_netdev() failed\n", MODULE_NAME); |
| goto failed; |
| } |
| |
| register_wlags_sysfs(dev); |
| |
| printk(KERN_INFO "%s: Wireless, io_addr %#03lx, irq %d, mac_address" |
| " %pM\n", dev->name, dev->base_addr, dev->irq, dev->dev_addr); |
| |
| DBG_LEAVE(DbgInfo); |
| return; |
| |
| 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 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) |
| { |
| 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 */ |
| /*============================================================================*/ |