diff options
Diffstat (limited to 'drivers/staging/wlan-ng/prism2usb.c')
| -rw-r--r-- | drivers/staging/wlan-ng/prism2usb.c | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/drivers/staging/wlan-ng/prism2usb.c b/drivers/staging/wlan-ng/prism2usb.c new file mode 100644 index 000000000000..8f7b1f281f0a --- /dev/null +++ b/drivers/staging/wlan-ng/prism2usb.c @@ -0,0 +1,302 @@ +#include "hfa384x_usb.c" +#include "prism2mgmt.c" +#include "prism2mib.c" +#include "prism2sta.c" + +#define PRISM_USB_DEVICE(vid, pid, name) \ + USB_DEVICE(vid, pid), \ + .driver_info = (unsigned long) name + +static struct usb_device_id usb_prism_tbl[] = { + {PRISM_USB_DEVICE(0x04bb, 0x0922, "IOData AirPort WN-B11/USBS")}, + {PRISM_USB_DEVICE(0x07aa, 0x0012, "Corega Wireless LAN USB Stick-11")}, + {PRISM_USB_DEVICE(0x09aa, 0x3642, "Prism2.x 11Mbps WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x1668, 0x0408, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x1668, 0x0421, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x1915, 0x2236, "Linksys WUSB11v3.0 11Mbps WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x066b, 0x2212, "Linksys WUSB11v2.5 11Mbps WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x067c, 0x1022, "Siemens SpeedStream 1022 11Mbps WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x049f, 0x0033, "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter")}, + {PRISM_USB_DEVICE(0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter")}, + {PRISM_USB_DEVICE(0x08de, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")}, + {PRISM_USB_DEVICE(0x8086, 0x1111, "Intel PRO/Wireless 2011B LAN USB Adapter")}, + {PRISM_USB_DEVICE(0x0d8e, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")}, + {PRISM_USB_DEVICE(0x045e, 0x006e, "Microsoft MN510 Wireless USB Adapter")}, + {PRISM_USB_DEVICE(0x0967, 0x0204, "Acer Warplink USB Adapter")}, + {PRISM_USB_DEVICE(0x0cde, 0x0002, "Z-Com 725/726 Prism2.5 USB/USB Integrated")}, + {PRISM_USB_DEVICE(0x0cde, 0x0005, "Z-Com Xl735 Wireless 802.11b USB Adapter")}, + {PRISM_USB_DEVICE(0x413c, 0x8100, "Dell TrueMobile 1180 Wireless USB Adapter")}, + {PRISM_USB_DEVICE(0x0b3b, 0x1601, "ALLNET 0193 11Mbps WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x0b3b, 0x1602, "ZyXEL ZyAIR B200 Wireless USB Adapter")}, + {PRISM_USB_DEVICE(0x0baf, 0x00eb, "USRobotics USR1120 Wireless USB Adapter")}, + {PRISM_USB_DEVICE(0x0411, 0x0027, "Melco WLI-USB-KS11G 11Mbps WLAN Adapter")}, + {PRISM_USB_DEVICE(0x04f1, 0x3009, "JVC MP-XP7250 Builtin USB WLAN Adapter")}, + {PRISM_USB_DEVICE(0x0846, 0x4110, "NetGear MA111")}, + {PRISM_USB_DEVICE(0x03f3, 0x0020, "Adaptec AWN-8020 USB WLAN Adapter")}, +// {PRISM_USB_DEVICE(0x0ace, 0x1201, "ZyDAS ZD1201 Wireless USB Adapter")}, + {PRISM_USB_DEVICE(0x2821, 0x3300, "ASUS-WL140 Wireless USB Adapter")}, + {PRISM_USB_DEVICE(0x2001, 0x3700, "DWL-122 Wireless USB Adapter")}, + {PRISM_USB_DEVICE(0x2001, 0x3702, "DWL-120 Rev F Wireless USB Adapter")}, + {PRISM_USB_DEVICE(0x50c2, 0x4013, "Averatec USB WLAN Adapter")}, + {PRISM_USB_DEVICE(0x2c02, 0x14ea, "Planex GW-US11H WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x124a, 0x168b, "Airvast PRISM3 WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x083a, 0x3503, "T-Sinus 111 USB WLAN Adapter")}, + {PRISM_USB_DEVICE(0x2821, 0x3300, "Hawking HighDB USB Adapter")}, + {PRISM_USB_DEVICE(0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter")}, + {PRISM_USB_DEVICE(0x1668, 0x6106, "ROPEX FreeLan 802.11b USB Adapter")}, + {PRISM_USB_DEVICE(0x124a, 0x4017, "Pheenet WL-503IA 802.11b USB Adapter")}, + {PRISM_USB_DEVICE(0x0bb2, 0x0302, "Ambit Microsystems Corp.")}, + {PRISM_USB_DEVICE(0x9016, 0x182d, "Sitecom WL-022 802.11b USB Adapter")}, + {PRISM_USB_DEVICE(0x0543, 0x0f01, "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)")}, + { /* terminator */ } +}; + +MODULE_DEVICE_TABLE(usb, usb_prism_tbl); + +/*---------------------------------------------------------------- +* prism2sta_probe_usb +* +* Probe routine called by the USB subsystem. +* +* Arguments: +* dev ptr to the usb_device struct +* ifnum interface number being offered +* +* Returns: +* NULL - we're not claiming the device+interface +* non-NULL - we are claiming the device+interface and +* this is a ptr to the data we want back +* when disconnect is called. +* +* Side effects: +* +* Call context: +* I'm not sure, assume it's interrupt. +* +----------------------------------------------------------------*/ +static int prism2sta_probe_usb( + struct usb_interface *interface, + const struct usb_device_id *id) +{ + struct usb_device *dev; + + wlandevice_t *wlandev = NULL; + hfa384x_t *hw = NULL; + int result = 0; + + DBFENTER; + + dev = interface_to_usbdev(interface); + + if ((wlandev = create_wlan()) == NULL) { + WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info); + result = -EIO; + goto failed; + } + hw = wlandev->priv; + + if ( wlan_setup(wlandev) != 0 ) { + WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info); + result = -EIO; + goto failed; + } + + /* Initialize the hw data */ + hfa384x_create(hw, dev); + hw->wlandev = wlandev; + + /* Register the wlandev, this gets us a name and registers the + * linux netdevice. + */ + SET_NETDEV_DEV(wlandev->netdev, &(interface->dev)); + + /* Do a chip-level reset on the MAC */ + if (prism2_doreset) { + result = hfa384x_corereset(hw, + prism2_reset_holdtime, + prism2_reset_settletime, 0); + if (result != 0) { + unregister_wlandev(wlandev); + hfa384x_destroy(hw); + result = -EIO; + WLAN_LOG_ERROR( + "%s: hfa384x_corereset() failed.\n", + dev_info); + goto failed; + } + } + + usb_get_dev(dev); + + wlandev->msdstate = WLAN_MSD_HWPRESENT; + + if ( register_wlandev(wlandev) != 0 ) { + WLAN_LOG_ERROR("%s: register_wlandev() failed.\n", dev_info); + result = -EIO; + goto failed; + } + +/* enable the card */ + prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable); + + goto done; + + failed: + if (wlandev) kfree(wlandev); + if (hw) kfree(hw); + wlandev = NULL; + + done: + DBFEXIT; + + usb_set_intfdata(interface, wlandev); + return result; +} + + +/*---------------------------------------------------------------- +* prism2sta_disconnect_usb +* +* Called when a device previously claimed by probe is removed +* from the USB. +* +* Arguments: +* dev ptr to the usb_device struct +* ptr ptr returned by probe() when the device +* was claimed. +* +* Returns: +* Nothing +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +static void +prism2sta_disconnect_usb(struct usb_interface *interface) +{ + wlandevice_t *wlandev; + + DBFENTER; + + wlandev = (wlandevice_t *) usb_get_intfdata(interface); + + if ( wlandev != NULL ) { + LIST_HEAD(cleanlist); + struct list_head *entry; + struct list_head *temp; + unsigned long flags; + + hfa384x_t *hw = wlandev->priv; + + if (!hw) + goto exit; + + spin_lock_irqsave(&hw->ctlxq.lock, flags); + + p80211netdev_hwremoved(wlandev); + list_splice_init(&hw->ctlxq.reapable, &cleanlist); + list_splice_init(&hw->ctlxq.completing, &cleanlist); + list_splice_init(&hw->ctlxq.pending, &cleanlist); + list_splice_init(&hw->ctlxq.active, &cleanlist); + + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + + /* There's no hardware to shutdown, but the driver + * might have some tasks or tasklets that must be + * stopped before we can tear everything down. + */ + prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); + + del_singleshot_timer_sync(&hw->throttle); + del_singleshot_timer_sync(&hw->reqtimer); + del_singleshot_timer_sync(&hw->resptimer); + + /* Unlink all the URBs. This "removes the wheels" + * from the entire CTLX handling mechanism. + */ + usb_kill_urb(&hw->rx_urb); + usb_kill_urb(&hw->tx_urb); + usb_kill_urb(&hw->ctlx_urb); + + tasklet_kill(&hw->completion_bh); + tasklet_kill(&hw->reaper_bh); + + flush_scheduled_work(); + + /* Now we complete any outstanding commands + * and tell everyone who is waiting for their + * responses that we have shut down. + */ + list_for_each(entry, &cleanlist) { + hfa384x_usbctlx_t *ctlx; + + ctlx = list_entry(entry, hfa384x_usbctlx_t, list); + complete(&ctlx->done); + } + + /* Give any outstanding synchronous commands + * a chance to complete. All they need to do + * is "wake up", so that's easy. + * (I'd like a better way to do this, really.) + */ + msleep(100); + + /* Now delete the CTLXs, because no-one else can now. */ + list_for_each_safe(entry, temp, &cleanlist) { + hfa384x_usbctlx_t *ctlx; + + ctlx = list_entry(entry, hfa384x_usbctlx_t, list); + kfree(ctlx); + } + + /* Unhook the wlandev */ + unregister_wlandev(wlandev); + wlan_unsetup(wlandev); + + usb_put_dev(hw->usb); + + hfa384x_destroy(hw); + kfree(hw); + + kfree(wlandev); + } + + exit: + + usb_set_intfdata(interface, NULL); + DBFEXIT; +} + + +static struct usb_driver prism2_usb_driver = { + .name = "prism2_usb", + .probe = prism2sta_probe_usb, + .disconnect = prism2sta_disconnect_usb, + .id_table = usb_prism_tbl, + /* fops, minor? */ +}; + +static int __init prism2usb_init(void) +{ + DBFENTER; + + /* This call will result in calls to prism2sta_probe_usb. */ + return usb_register(&prism2_usb_driver); + + DBFEXIT; +}; + +static void __exit prism2usb_cleanup(void) +{ + DBFENTER; + + usb_deregister(&prism2_usb_driver); + + DBFEXIT; +}; + +module_init(prism2usb_init); +module_exit(prism2usb_cleanup); |