diff options
Diffstat (limited to 'drivers/staging/wlags49_h2/wl_cs.c')
| -rw-r--r-- | drivers/staging/wlags49_h2/wl_cs.c | 499 |
1 files changed, 499 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 00000000..7c7c77f9 --- /dev/null +++ b/drivers/staging/wlags49_h2/wl_cs.c @@ -0,0 +1,499 @@ +/******************************************************************************* + * Agere Systems Inc. + * Wireless device driver for Linux (wlags49). + * + * Copyright (c) 1998-2003 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + * Initially developed by TriplePoint, Inc. + * http://www.triplepoint.com + * + *------------------------------------------------------------------------------ + * + * This file contains processing and initialization specific to Card Services + * devices (PCMCIA, CF). + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright (c) 2003 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + ******************************************************************************/ + +/******************************************************************************* + * include files + ******************************************************************************/ +#include <wl_version.h> + +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/ptrace.h> +#include <linux/ctype.h> +#include <linux/string.h> +#include <linux/timer.h> +#include <linux/interrupt.h> +#include <linux/in.h> +#include <linux/delay.h> +#include <asm/io.h> +#include <asm/bitops.h> + +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/if_arp.h> +#include <linux/ioport.h> +#include <linux/module.h> + +#include <pcmcia/cistpl.h> +#include <pcmcia/cisreg.h> +#include <pcmcia/ciscode.h> +#include <pcmcia/ds.h> +#include <debug.h> + +#include <hcf.h> +#include <dhf.h> +#include <hcfdef.h> + +#include <wl_if.h> +#include <wl_internal.h> +#include <wl_util.h> +#include <wl_main.h> +#include <wl_netdev.h> +#include <wl_cs.h> +#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 */ +/*============================================================================*/ |