diff options
Diffstat (limited to 'drivers/staging/otus/zdusb.c')
| -rw-r--r-- | drivers/staging/otus/zdusb.c | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/drivers/staging/otus/zdusb.c b/drivers/staging/otus/zdusb.c new file mode 100644 index 00000000000..78f1d2224fa --- /dev/null +++ b/drivers/staging/otus/zdusb.c @@ -0,0 +1,239 @@ +/* + * Copyright (c) 2007-2008 Atheros Communications Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +/* */ +/* Module Name : zdusb.c */ +/* */ +/* Abstract */ +/* This module contains plug and play handling for USB device driver*/ +/* */ +/* NOTES */ +/* Platform dependent. */ +/* */ +/************************************************************************/ + +#ifdef MODVERSIONS +#include <linux/modversions.h> +#endif + +#include <linux/module.h> +#include <linux/usb.h> + +#include "usbdrv.h" +#include "zdusb.h" + +int zfLnxAllocAllUrbs(struct usbdrv_private *macp); +void zfLnxFreeAllUrbs(struct usbdrv_private *macp); +void zfLnxUnlinkAllUrbs(struct usbdrv_private *macp); + +MODULE_AUTHOR("Atheros Communications"); +MODULE_DESCRIPTION("Atheros 802.11n Wireless LAN adapter"); +MODULE_LICENSE("Dual BSD/GPL"); + +static const char driver_name[] = "Otus"; + +/* table of devices that work with this driver */ +static struct usb_device_id zd1221_ids [] = { + { USB_DEVICE(VENDOR_ATHR, PRODUCT_AR9170) }, + { USB_DEVICE(VENDOR_DLINK, PRODUCT_DWA160A) }, + { USB_DEVICE(0x0846, 0x9010) }, + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE(usb, zd1221_ids); + +extern u8_t zfLnxInitSetup(struct net_device *dev, struct usbdrv_private *macp); +extern int usbdrv_close(struct net_device *dev); +extern u8_t zfLnxClearStructs(struct net_device *dev); +extern int zfWdsClose(struct net_device *dev); +extern int zfUnregisterWdsDev(struct net_device* parentDev, u16_t wdsId); +extern int zfLnxVapClose(struct net_device *dev); +extern int zfLnxUnregisterVapDev(struct net_device* parentDev, u16_t vapId); + +/* WDS */ +extern struct zsWdsStruct wds[ZM_WDS_PORT_NUMBER]; + +/* VAP */ +extern struct zsVapStruct vap[ZM_VAP_PORT_NUMBER]; + +static int zfLnxProbe(struct usb_interface *interface, + const struct usb_device_id *id) +{ + struct usb_device *dev = interface_to_usbdev(interface); + + struct net_device *net = NULL; + struct usbdrv_private *macp = NULL; + int vendor_id, product_id; + int result = 0; + + usb_get_dev(dev); + + vendor_id = dev->descriptor.idVendor; + product_id = dev->descriptor.idProduct; + +#ifdef HMAC_DEBUG + printk(KERN_NOTICE "vendor_id = %04x\n", vendor_id); + printk(KERN_NOTICE "product_id = %04x\n", product_id); + + if (dev->speed == USB_SPEED_HIGH) + printk(KERN_NOTICE "USB 2.0 Host\n"); + else + printk(KERN_NOTICE "USB 1.1 Host\n"); +#endif + + if (!(macp = kmalloc(sizeof(struct usbdrv_private), GFP_KERNEL))) + { + printk(KERN_ERR "out of memory allocating device structure\n"); + result = -ENOMEM; + goto fail; + } + + /* Zero the memory */ + memset(macp, 0, sizeof(struct usbdrv_private)); + + net = alloc_etherdev(0); + + if (net == NULL) + { + printk(KERN_ERR "zfLnxProbe: Not able to alloc etherdev struct\n"); + result = -ENOMEM; + goto fail1; + } + + strcpy(net->name, "ath%d"); + + net->ml_priv = macp; //kernel 2.6 + macp->udev = dev; + macp->device = net; + + /* set up the endpoint information */ + /* check out the endpoints */ + macp->interface = interface; + + //init_waitqueue_head(&macp->regSet_wait); + //init_waitqueue_head(&macp->iorwRsp_wait); + //init_waitqueue_head(&macp->term_wait); + + if (!zfLnxAllocAllUrbs(macp)) + { + result = -ENOMEM; + goto fail2; + } + + if (!zfLnxInitSetup(net, macp)) + { + result = -EIO; + goto fail3; + } + else + { + usb_set_intfdata(interface, macp); + SET_NETDEV_DEV(net, &interface->dev); + + if (register_netdev(net) != 0) + { + usb_set_intfdata(interface, NULL); + goto fail3; + } + } + + netif_carrier_off(net); + goto done; + +fail3: + zfLnxFreeAllUrbs(macp); +fail2: + free_netdev(net); //kernel 2.6 +fail1: + kfree(macp); + +fail: + usb_put_dev(dev); + macp = NULL; + +done: + return result; +} + +static void zfLnxDisconnect(struct usb_interface *interface) +{ + struct usbdrv_private *macp = (struct usbdrv_private *) usb_get_intfdata(interface); + + printk(KERN_DEBUG "zfLnxDisconnect\n"); + + if (!macp) + { + printk(KERN_ERR "unregistering non-existant device\n"); + return; + } + + if (macp->driver_isolated) + { + if (macp->device->flags & IFF_UP) + usbdrv_close(macp->device); + } + +#if 0 + /* Close WDS */ + //zfWdsClose(wds[0].dev); + /* Unregister WDS */ + //zfUnregisterWdsDev(macp->device, 0); + + /* Close VAP */ + zfLnxVapClose(vap[0].dev); + /* Unregister VAP */ + zfLnxUnregisterVapDev(macp->device, 0); +#endif + + zfLnxClearStructs(macp->device); + + unregister_netdev(macp->device); + + usb_put_dev(interface_to_usbdev(interface)); + + //printk(KERN_ERR "3. zfLnxUnlinkAllUrbs\n"); + //zfLnxUnlinkAllUrbs(macp); + + /* Free network interface */ + free_netdev(macp->device); + + zfLnxFreeAllUrbs(macp); + //zfLnxClearStructs(macp->device); + kfree(macp); + macp = NULL; + + usb_set_intfdata(interface, NULL); +} + +static struct usb_driver zd1221_driver = { + .name = driver_name, + .probe = zfLnxProbe, + .disconnect = zfLnxDisconnect, + .id_table = zd1221_ids, +}; + +int __init zfLnxIinit(void) +{ + printk(KERN_NOTICE "%s - version %s\n", DRIVER_NAME, VERSIONID); + return usb_register(&zd1221_driver); +} + +void __exit zfLnxExit(void) +{ + usb_deregister(&zd1221_driver); +} + +module_init(zfLnxIinit); +module_exit(zfLnxExit); |