drivers/staging/wlan-ng/prism2_usb.c

   1 #include "hfa384x_usb.c"
   2 #include "prism2mgmt.c"
   3 #include "prism2mib.c"
   4 #include "prism2sta.c"
   5
   6 #define PRISM_USB_DEVICE(vid, pid, name) \
   7            USB_DEVICE(vid, pid),  \
   8            .driver_info = (unsigned long) name
   9
  10 static struct usb_device_id usb_prism_tbl[] = {
  11         {PRISM_USB_DEVICE(0x04bb, 0x0922, "IOData AirPort WN-B11/USBS")},
  12         {PRISM_USB_DEVICE(0x07aa, 0x0012, "Corega Wireless LAN USB Stick-11")},
  13         {PRISM_USB_DEVICE(0x09aa, 0x3642, "Prism2.x 11Mbps WLAN USB Adapter")},
  14         {PRISM_USB_DEVICE(0x1668, 0x0408, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")},
  15         {PRISM_USB_DEVICE(0x1668, 0x0421, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")},
  16         {PRISM_USB_DEVICE(0x1915, 0x2236, "Linksys WUSB11v3.0 11Mbps WLAN USB Adapter")},
  17         {PRISM_USB_DEVICE(0x066b, 0x2212, "Linksys WUSB11v2.5 11Mbps WLAN USB Adapter")},
  18         {PRISM_USB_DEVICE(0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps WLAN USB Adapter")},
  19         {PRISM_USB_DEVICE(0x067c, 0x1022, "Siemens SpeedStream 1022 11Mbps WLAN USB Adapter")},
  20         {PRISM_USB_DEVICE(0x049f, 0x0033, "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter")},
  21         {PRISM_USB_DEVICE(0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter")},
  22         {PRISM_USB_DEVICE(0x08de, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")},
  23         {PRISM_USB_DEVICE(0x8086, 0x1111, "Intel PRO/Wireless 2011B LAN USB Adapter")},
  24         {PRISM_USB_DEVICE(0x0d8e, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")},
  25         {PRISM_USB_DEVICE(0x045e, 0x006e, "Microsoft MN510 Wireless USB Adapter")},
  26         {PRISM_USB_DEVICE(0x0967, 0x0204, "Acer Warplink USB Adapter")},
  27         {PRISM_USB_DEVICE(0x0cde, 0x0002, "Z-Com 725/726 Prism2.5 USB/USB Integrated")},
  28         {PRISM_USB_DEVICE(0x0cde, 0x0005, "Z-Com Xl735 Wireless 802.11b USB Adapter")},
  29         {PRISM_USB_DEVICE(0x413c, 0x8100, "Dell TrueMobile 1180 Wireless USB Adapter")},
  30         {PRISM_USB_DEVICE(0x0b3b, 0x1601, "ALLNET 0193 11Mbps WLAN USB Adapter")},
  31         {PRISM_USB_DEVICE(0x0b3b, 0x1602, "ZyXEL ZyAIR B200 Wireless USB Adapter")},
  32         {PRISM_USB_DEVICE(0x0baf, 0x00eb, "USRobotics USR1120 Wireless USB Adapter")},
  33         {PRISM_USB_DEVICE(0x0411, 0x0027, "Melco WLI-USB-KS11G 11Mbps WLAN Adapter")},
  34         {PRISM_USB_DEVICE(0x04f1, 0x3009, "JVC MP-XP7250 Builtin USB WLAN Adapter")},
  35         {PRISM_USB_DEVICE(0x0846, 0x4110, "NetGear MA111")},
  36         {PRISM_USB_DEVICE(0x03f3, 0x0020, "Adaptec AWN-8020 USB WLAN Adapter")},
  37 //      {PRISM_USB_DEVICE(0x0ace, 0x1201, "ZyDAS ZD1201 Wireless USB Adapter")},
  38         {PRISM_USB_DEVICE(0x2821, 0x3300, "ASUS-WL140 Wireless USB Adapter")},
  39         {PRISM_USB_DEVICE(0x2001, 0x3700, "DWL-122 Wireless USB Adapter")},
  40         {PRISM_USB_DEVICE(0x2001, 0x3702, "DWL-120 Rev F Wireless USB Adapter")},
  41         {PRISM_USB_DEVICE(0x50c2, 0x4013, "Averatec USB WLAN Adapter")},
  42         {PRISM_USB_DEVICE(0x2c02, 0x14ea, "Planex GW-US11H WLAN USB Adapter")},
  43         {PRISM_USB_DEVICE(0x124a, 0x168b, "Airvast PRISM3 WLAN USB Adapter")},
  44         {PRISM_USB_DEVICE(0x083a, 0x3503, "T-Sinus 111 USB WLAN Adapter")},
  45         {PRISM_USB_DEVICE(0x2821, 0x3300, "Hawking HighDB USB Adapter")},
  46         {PRISM_USB_DEVICE(0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter")},
  47         {PRISM_USB_DEVICE(0x1668, 0x6106, "ROPEX FreeLan 802.11b USB Adapter")},
  48         {PRISM_USB_DEVICE(0x124a, 0x4017, "Pheenet WL-503IA 802.11b USB Adapter")},
  49         {PRISM_USB_DEVICE(0x0bb2, 0x0302, "Ambit Microsystems Corp.")},
  50         {PRISM_USB_DEVICE(0x9016, 0x182d, "Sitecom WL-022 802.11b USB Adapter")},
  51         {PRISM_USB_DEVICE(0x0543, 0x0f01, "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)")},
  52         { /* terminator */ }
  53 };
  54
  55 MODULE_DEVICE_TABLE(usb, usb_prism_tbl);
  56
  57 /*----------------------------------------------------------------
  58 * prism2sta_probe_usb
  59 *
  60 * Probe routine called by the USB subsystem.
  61 *
  62 * Arguments:
  63 *       dev             ptr to the usb_device struct
  64 *       ifnum           interface number being offered
  65 *
  66 * Returns:
  67 *       NULL            - we're not claiming the device+interface
  68 *       non-NULL        - we are claiming the device+interface and
  69 *                         this is a ptr to the data we want back
  70 *                         when disconnect is called.
  71 *
  72 * Side effects:
  73 *
  74 * Call context:
  75 *       I'm not sure, assume it's interrupt.
  76 *
  77 ----------------------------------------------------------------*/
  78 static int prism2sta_probe_usb(
  79         struct usb_interface *interface,
  80         const struct usb_device_id *id)
  81 {
  82         struct usb_device *dev;
  83
  84         wlandevice_t    *wlandev = NULL;
  85         hfa384x_t       *hw = NULL;
  86         int              result = 0;
  87
  88         DBFENTER;
  89
  90         dev = interface_to_usbdev(interface);
  91
  92         if ((wlandev = create_wlan()) == NULL) {
  93                 WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info);
  94                 result = -EIO;
  95                 goto failed;
  96         }
  97         hw = wlandev->priv;
  98
  99         if ( wlan_setup(wlandev) != 0 ) {
 100                 WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info);
 101                 result = -EIO;
 102                 goto failed;
 103         }
 104
 105         /* Initialize the hw data */
 106         hfa384x_create(hw, dev);
 107         hw->wlandev = wlandev;
 108
 109         /* Register the wlandev, this gets us a name and registers the
 110          * linux netdevice.
 111          */
 112         SET_NETDEV_DEV(wlandev->netdev, &(interface->dev));
 113         if ( register_wlandev(wlandev) != 0 ) {
 114                 WLAN_LOG_ERROR("%s: register_wlandev() failed.\n", dev_info);
 115                 result = -EIO;
 116                 goto failed;
 117         }
 118
 119         /* Do a chip-level reset on the MAC */
 120         if (prism2_doreset) {
 121                 result = hfa384x_corereset(hw,
 122                                 prism2_reset_holdtime,
 123                                 prism2_reset_settletime, 0);
 124                 if (result != 0) {
 125                         unregister_wlandev(wlandev);
 126                         hfa384x_destroy(hw);
 127                         result = -EIO;
 128                         WLAN_LOG_ERROR(
 129                                 "%s: hfa384x_corereset() failed.\n",
 130                                 dev_info);
 131                         goto failed;
 132                 }
 133         }
 134
 135 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
 136         usb_get_dev(dev);
 137 #endif
 138
 139         wlandev->msdstate = WLAN_MSD_HWPRESENT;
 140
 141         goto done;
 142
 143  failed:
 144         if (wlandev)    kfree(wlandev);
 145         if (hw)         kfree(hw);
 146         wlandev = NULL;
 147
 148  done:
 149         DBFEXIT;
 150
 151         usb_set_intfdata(interface, wlandev);
 152         return result;
 153 }
 154
 155
 156 /*----------------------------------------------------------------
 157 * prism2sta_disconnect_usb
 158 *
 159 * Called when a device previously claimed by probe is removed
 160 * from the USB.
 161 *
 162 * Arguments:
 163 *       dev             ptr to the usb_device struct
 164 *       ptr             ptr returned by probe() when the device
 165 *                       was claimed.
 166 *
 167 * Returns:
 168 *       Nothing
 169 *
 170 * Side effects:
 171 *
 172 * Call context:
 173 *       process
 174 ----------------------------------------------------------------*/
 175 static void
 176 prism2sta_disconnect_usb(struct usb_interface *interface)
 177 {
 178         wlandevice_t            *wlandev;
 179
 180         DBFENTER;
 181
 182         wlandev = (wlandevice_t *) usb_get_intfdata(interface);
 183
 184         if ( wlandev != NULL ) {
 185                 LIST_HEAD(cleanlist);
 186                 struct list_head        *entry;
 187                 struct list_head        *temp;
 188                 unsigned long           flags;
 189
 190                 hfa384x_t               *hw = wlandev->priv;
 191
 192                 if (!hw)
 193                         goto exit;
 194
 195                 spin_lock_irqsave(&hw->ctlxq.lock, flags);
 196
 197                 p80211netdev_hwremoved(wlandev);
 198                 list_splice_init(&hw->ctlxq.reapable, &cleanlist);
 199                 list_splice_init(&hw->ctlxq.completing, &cleanlist);
 200                 list_splice_init(&hw->ctlxq.pending, &cleanlist);
 201                 list_splice_init(&hw->ctlxq.active, &cleanlist);
 202
 203                 spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
 204
 205                 /* There's no hardware to shutdown, but the driver
 206                  * might have some tasks or tasklets that must be
 207                  * stopped before we can tear everything down.
 208                  */
 209                 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
 210
 211                 del_singleshot_timer_sync(&hw->throttle);
 212                 del_singleshot_timer_sync(&hw->reqtimer);
 213                 del_singleshot_timer_sync(&hw->resptimer);
 214
 215                 /* Unlink all the URBs. This "removes the wheels"
 216                  * from the entire CTLX handling mechanism.
 217                  */
 218                 usb_kill_urb(&hw->rx_urb);
 219                 usb_kill_urb(&hw->tx_urb);
 220                 usb_kill_urb(&hw->ctlx_urb);
 221
 222                 tasklet_kill(&hw->completion_bh);
 223                 tasklet_kill(&hw->reaper_bh);
 224
 225                 flush_scheduled_work();
 226
 227                 /* Now we complete any outstanding commands
 228                  * and tell everyone who is waiting for their
 229                  * responses that we have shut down.
 230                  */
 231                 list_for_each(entry, &cleanlist) {
 232                         hfa384x_usbctlx_t       *ctlx;
 233
 234                         ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
 235                         complete(&ctlx->done);
 236                 }
 237
 238                 /* Give any outstanding synchronous commands
 239                  * a chance to complete. All they need to do
 240                  * is "wake up", so that's easy.
 241                  * (I'd like a better way to do this, really.)
 242                  */
 243                 msleep(100);
 244
 245                 /* Now delete the CTLXs, because no-one else can now. */
 246                 list_for_each_safe(entry, temp, &cleanlist) {
 247                         hfa384x_usbctlx_t *ctlx;
 248
 249                         ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
 250                         kfree(ctlx);
 251                 }
 252
 253                 /* Unhook the wlandev */
 254                 unregister_wlandev(wlandev);
 255                 wlan_unsetup(wlandev);
 256
 257 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
 258                 usb_put_dev(hw->usb);
 259 #endif
 260
 261                 hfa384x_destroy(hw);
 262                 kfree(hw);
 263
 264                 kfree(wlandev);
 265         }
 266
 267  exit:
 268
 269         usb_set_intfdata(interface, NULL);
 270         DBFEXIT;
 271 }
 272
 273
 274 static struct usb_driver prism2_usb_driver = {
 275 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16))
 276         .owner = THIS_MODULE,
 277 #endif
 278         .name = "prism2_usb",
 279         .probe = prism2sta_probe_usb,
 280         .disconnect = prism2sta_disconnect_usb,
 281         .id_table = usb_prism_tbl,
 282         /* fops, minor? */
 283 };
 284
 285 static int __init prism2usb_init(void)
 286 {
 287         DBFENTER;
 288
 289         /* This call will result in calls to prism2sta_probe_usb. */
 290         return usb_register(&prism2_usb_driver);
 291
 292         DBFEXIT;
 293 };
 294
 295 static void __exit prism2usb_cleanup(void)
 296 {
 297         DBFENTER;
 298
 299         usb_deregister(&prism2_usb_driver);
 300
 301         DBFEXIT;
 302 };
 303
 304 module_init(prism2usb_init);
 305 module_exit(prism2usb_cleanup);