release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/staging/wlan-ng/prism2usb.c

   1 #include "hfa384x_usb.c"
   2 #include "prism2mgmt.c"
   3 #include "prism2mib.c"
   4 #include "prism2sta.c"
   5 #include "prism2fw.c"
   6
   7 #define PRISM_USB_DEVICE(vid, pid, name)        \
   8         USB_DEVICE(vid, pid),                   \
   9         .driver_info = (unsigned long) name
  10
  11 static struct usb_device_id usb_prism_tbl[] = {
  12         {PRISM_USB_DEVICE(0x04bb, 0x0922, "IOData AirPort WN-B11/USBS")},
  13         {PRISM_USB_DEVICE(0x07aa, 0x0012, "Corega Wireless LAN USB Stick-11")},
  14         {PRISM_USB_DEVICE(0x09aa, 0x3642, "Prism2.x 11Mbps WLAN USB Adapter")},
  15         {PRISM_USB_DEVICE
  16          (0x1668, 0x0408, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")},
  17         {PRISM_USB_DEVICE
  18          (0x1668, 0x0421, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")},
  19         {PRISM_USB_DEVICE
  20          (0x1915, 0x2236, "Linksys WUSB11v3.0 11Mbps WLAN USB Adapter")},
  21         {PRISM_USB_DEVICE
  22          (0x066b, 0x2212, "Linksys WUSB11v2.5 11Mbps WLAN USB Adapter")},
  23         {PRISM_USB_DEVICE
  24          (0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps WLAN USB Adapter")},
  25         {PRISM_USB_DEVICE
  26          (0x067c, 0x1022, "Siemens SpeedStream 1022 11Mbps WLAN USB Adapter")},
  27         {PRISM_USB_DEVICE
  28          (0x049f, 0x0033,
  29          "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter")},
  30         {PRISM_USB_DEVICE
  31          (0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter")},
  32         {PRISM_USB_DEVICE
  33          (0x08de, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")},
  34         {PRISM_USB_DEVICE
  35          (0x8086, 0x1111, "Intel PRO/Wireless 2011B LAN USB Adapter")},
  36         {PRISM_USB_DEVICE
  37          (0x0d8e, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")},
  38         {PRISM_USB_DEVICE
  39          (0x045e, 0x006e, "Microsoft MN510 Wireless USB Adapter")},
  40         {PRISM_USB_DEVICE(0x0967, 0x0204, "Acer Warplink USB Adapter")},
  41         {PRISM_USB_DEVICE
  42          (0x0cde, 0x0002, "Z-Com 725/726 Prism2.5 USB/USB Integrated")},
  43         {PRISM_USB_DEVICE
  44          (0x0cde, 0x0005, "Z-Com Xl735 Wireless 802.11b USB Adapter")},
  45         {PRISM_USB_DEVICE
  46          (0x413c, 0x8100, "Dell TrueMobile 1180 Wireless USB Adapter")},
  47         {PRISM_USB_DEVICE
  48          (0x0b3b, 0x1601, "ALLNET 0193 11Mbps WLAN USB Adapter")},
  49         {PRISM_USB_DEVICE
  50          (0x0b3b, 0x1602, "ZyXEL ZyAIR B200 Wireless USB Adapter")},
  51         {PRISM_USB_DEVICE
  52          (0x0baf, 0x00eb, "USRobotics USR1120 Wireless USB Adapter")},
  53         {PRISM_USB_DEVICE
  54          (0x0411, 0x0027, "Melco WLI-USB-KS11G 11Mbps WLAN Adapter")},
  55         {PRISM_USB_DEVICE
  56          (0x04f1, 0x3009, "JVC MP-XP7250 Builtin USB WLAN Adapter")},
  57         {PRISM_USB_DEVICE(0x0846, 0x4110, "NetGear MA111")},
  58         {PRISM_USB_DEVICE(0x03f3, 0x0020, "Adaptec AWN-8020 USB WLAN Adapter")},
  59         {PRISM_USB_DEVICE(0x2821, 0x3300, "ASUS-WL140 Wireless USB Adapter")},
  60         {PRISM_USB_DEVICE(0x2001, 0x3700, "DWL-122 Wireless USB Adapter")},
  61         {PRISM_USB_DEVICE
  62          (0x2001, 0x3702, "DWL-120 Rev F Wireless USB Adapter")},
  63         {PRISM_USB_DEVICE(0x50c2, 0x4013, "Averatec USB WLAN Adapter")},
  64         {PRISM_USB_DEVICE(0x2c02, 0x14ea, "Planex GW-US11H WLAN USB Adapter")},
  65         {PRISM_USB_DEVICE(0x124a, 0x168b, "Airvast PRISM3 WLAN USB Adapter")},
  66         {PRISM_USB_DEVICE(0x083a, 0x3503, "T-Sinus 111 USB WLAN Adapter")},
  67         {PRISM_USB_DEVICE(0x2821, 0x3300, "Hawking HighDB USB Adapter")},
  68         {PRISM_USB_DEVICE
  69          (0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter")},
  70         {PRISM_USB_DEVICE(0x1668, 0x6106, "ROPEX FreeLan 802.11b USB Adapter")},
  71         {PRISM_USB_DEVICE
  72          (0x124a, 0x4017, "Pheenet WL-503IA 802.11b USB Adapter")},
  73         {PRISM_USB_DEVICE(0x0bb2, 0x0302, "Ambit Microsystems Corp.")},
  74         {PRISM_USB_DEVICE
  75          (0x9016, 0x182d, "Sitecom WL-022 802.11b USB Adapter")},
  76         {PRISM_USB_DEVICE
  77          (0x0543, 0x0f01, "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)")},
  78         { /* terminator */ }
  79 };
  80
  81 MODULE_DEVICE_TABLE(usb, usb_prism_tbl);
  82
  83 /*----------------------------------------------------------------
  84 * prism2sta_probe_usb
  85 *
  86 * Probe routine called by the USB subsystem.
  87 *
  88 * Arguments:
  89 *       dev             ptr to the usb_device struct
  90 *       ifnum           interface number being offered
  91 *
  92 * Returns:
  93 *       NULL            - we're not claiming the device+interface
  94 *       non-NULL        - we are claiming the device+interface and
  95 *                         this is a ptr to the data we want back
  96 *                         when disconnect is called.
  97 *
  98 * Side effects:
  99 *
 100 * Call context:
 101 *       I'm not sure, assume it's interrupt.
 102 *
 103 ----------------------------------------------------------------*/
 104 static int prism2sta_probe_usb(struct usb_interface *interface,
 105                                const struct usb_device_id *id)
 106 {
 107         struct usb_device *dev;
 108
 109         wlandevice_t *wlandev = NULL;
 110         hfa384x_t *hw = NULL;
 111         int result = 0;
 112
 113         dev = interface_to_usbdev(interface);
 114         wlandev = create_wlan();
 115         if (wlandev == NULL) {
 116                 printk(KERN_ERR "%s: Memory allocation failure.\n", dev_info);
 117                 result = -EIO;
 118                 goto failed;
 119         }
 120         hw = wlandev->priv;
 121
 122         if (wlan_setup(wlandev, &(interface->dev)) != 0) {
 123                 printk(KERN_ERR "%s: wlan_setup() failed.\n", dev_info);
 124                 result = -EIO;
 125                 goto failed;
 126         }
 127
 128         /* Initialize the hw data */
 129         hfa384x_create(hw, dev);
 130         hw->wlandev = wlandev;
 131
 132         /* Register the wlandev, this gets us a name and registers the
 133          * linux netdevice.
 134          */
 135         SET_NETDEV_DEV(wlandev->netdev, &(interface->dev));
 136
 137         /* Do a chip-level reset on the MAC */
 138         if (prism2_doreset) {
 139                 result = hfa384x_corereset(hw,
 140                                            prism2_reset_holdtime,
 141                                            prism2_reset_settletime, 0);
 142                 if (result != 0) {
 143                         unregister_wlandev(wlandev);
 144                         hfa384x_destroy(hw);
 145                         result = -EIO;
 146                         printk(KERN_ERR
 147                                "%s: hfa384x_corereset() failed.\n", dev_info);
 148                         goto failed;
 149                 }
 150         }
 151
 152         usb_get_dev(dev);
 153
 154         wlandev->msdstate = WLAN_MSD_HWPRESENT;
 155
 156         /* Try and load firmware, then enable card before we register */
 157         prism2_fwtry(dev, wlandev);
 158         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
 159
 160         if (register_wlandev(wlandev) != 0) {
 161                 printk(KERN_ERR "%s: register_wlandev() failed.\n", dev_info);
 162                 result = -EIO;
 163                 goto failed;
 164         }
 165
 166         goto done;
 167
 168 failed:
 169         kfree(wlandev);
 170         kfree(hw);
 171         wlandev = NULL;
 172
 173 done:
 174         usb_set_intfdata(interface, wlandev);
 175         return result;
 176 }
 177
 178 /*----------------------------------------------------------------
 179 * prism2sta_disconnect_usb
 180 *
 181 * Called when a device previously claimed by probe is removed
 182 * from the USB.
 183 *
 184 * Arguments:
 185 *       dev             ptr to the usb_device struct
 186 *       ptr             ptr returned by probe() when the device
 187 *                       was claimed.
 188 *
 189 * Returns:
 190 *       Nothing
 191 *
 192 * Side effects:
 193 *
 194 * Call context:
 195 *       process
 196 ----------------------------------------------------------------*/
 197 static void prism2sta_disconnect_usb(struct usb_interface *interface)
 198 {
 199         wlandevice_t *wlandev;
 200
 201         wlandev = (wlandevice_t *) usb_get_intfdata(interface);
 202
 203         if (wlandev != NULL) {
 204                 LIST_HEAD(cleanlist);
 205                 struct list_head *entry;
 206                 struct list_head *temp;
 207                 unsigned long flags;
 208
 209                 hfa384x_t *hw = wlandev->priv;
 210
 211                 if (!hw)
 212                         goto exit;
 213
 214                 spin_lock_irqsave(&hw->ctlxq.lock, flags);
 215
 216                 p80211netdev_hwremoved(wlandev);
 217                 list_splice_init(&hw->ctlxq.reapable, &cleanlist);
 218                 list_splice_init(&hw->ctlxq.completing, &cleanlist);
 219                 list_splice_init(&hw->ctlxq.pending, &cleanlist);
 220                 list_splice_init(&hw->ctlxq.active, &cleanlist);
 221
 222                 spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
 223
 224                 /* There's no hardware to shutdown, but the driver
 225                  * might have some tasks or tasklets that must be
 226                  * stopped before we can tear everything down.
 227                  */
 228                 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
 229
 230                 del_singleshot_timer_sync(&hw->throttle);
 231                 del_singleshot_timer_sync(&hw->reqtimer);
 232                 del_singleshot_timer_sync(&hw->resptimer);
 233
 234                 /* Unlink all the URBs. This "removes the wheels"
 235                  * from the entire CTLX handling mechanism.
 236                  */
 237                 usb_kill_urb(&hw->rx_urb);
 238                 usb_kill_urb(&hw->tx_urb);
 239                 usb_kill_urb(&hw->ctlx_urb);
 240
 241                 tasklet_kill(&hw->completion_bh);
 242                 tasklet_kill(&hw->reaper_bh);
 243
 244                 flush_scheduled_work();
 245
 246                 /* Now we complete any outstanding commands
 247                  * and tell everyone who is waiting for their
 248                  * responses that we have shut down.
 249                  */
 250                 list_for_each(entry, &cleanlist) {
 251                         hfa384x_usbctlx_t *ctlx;
 252
 253                         ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
 254                         complete(&ctlx->done);
 255                 }
 256
 257                 /* Give any outstanding synchronous commands
 258                  * a chance to complete. All they need to do
 259                  * is "wake up", so that's easy.
 260                  * (I'd like a better way to do this, really.)
 261                  */
 262                 msleep(100);
 263
 264                 /* Now delete the CTLXs, because no-one else can now. */
 265                 list_for_each_safe(entry, temp, &cleanlist) {
 266                         hfa384x_usbctlx_t *ctlx;
 267
 268                         ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
 269                         kfree(ctlx);
 270                 }
 271
 272                 /* Unhook the wlandev */
 273                 unregister_wlandev(wlandev);
 274                 wlan_unsetup(wlandev);
 275
 276                 usb_put_dev(hw->usb);
 277
 278                 hfa384x_destroy(hw);
 279                 kfree(hw);
 280
 281                 kfree(wlandev);
 282         }
 283
 284 exit:
 285         usb_set_intfdata(interface, NULL);
 286 }
 287
 288 #ifdef CONFIG_PM
 289 static int prism2sta_suspend(struct usb_interface *interface,
 290                                 pm_message_t message)
 291 {
 292         hfa384x_t *hw = NULL;
 293         wlandevice_t *wlandev;
 294         wlandev = (wlandevice_t *) usb_get_intfdata(interface);
 295         if (!wlandev)
 296                 return -ENODEV;
 297
 298         hw = wlandev->priv;
 299         if (!hw)
 300                 return -ENODEV;
 301
 302         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
 303
 304         usb_kill_urb(&hw->rx_urb);
 305         usb_kill_urb(&hw->tx_urb);
 306         usb_kill_urb(&hw->ctlx_urb);
 307
 308         return 0;
 309 }
 310
 311 static int prism2sta_resume(struct usb_interface *interface)
 312 {
 313         int result = 0;
 314         hfa384x_t *hw = NULL;
 315         wlandevice_t *wlandev;
 316         wlandev = (wlandevice_t *) usb_get_intfdata(interface);
 317         if (!wlandev)
 318                 return -ENODEV;
 319
 320         hw = wlandev->priv;
 321         if (!hw)
 322                 return -ENODEV;
 323
 324         /* Do a chip-level reset on the MAC */
 325         if (prism2_doreset) {
 326                 result = hfa384x_corereset(hw,
 327                                            prism2_reset_holdtime,
 328                                            prism2_reset_settletime, 0);
 329                 if (result != 0) {
 330                         unregister_wlandev(wlandev);
 331                         hfa384x_destroy(hw);
 332                         printk(KERN_ERR
 333                                "%s: hfa384x_corereset() failed.\n", dev_info);
 334                         kfree(wlandev);
 335                         kfree(hw);
 336                         wlandev = NULL;
 337                         return -ENODEV;
 338                 }
 339         }
 340
 341         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
 342
 343         return 0;
 344 }
 345 #else
 346 #define prism2sta_suspend NULL
 347 #define prism2sta_resume NULL
 348 #endif /* CONFIG_PM */
 349
 350 static struct usb_driver prism2_usb_driver = {
 351         .name = "prism2_usb",
 352         .probe = prism2sta_probe_usb,
 353         .disconnect = prism2sta_disconnect_usb,
 354         .id_table = usb_prism_tbl,
 355         .suspend = prism2sta_suspend,
 356         .resume = prism2sta_resume,
 357         .reset_resume = prism2sta_resume,
 358         /* fops, minor? */
 359 };
 360
 361 static int __init prism2usb_init(void)
 362 {
 363         /* This call will result in calls to prism2sta_probe_usb. */
 364         return usb_register(&prism2_usb_driver);
 365 };
 366
 367 static void __exit prism2usb_cleanup(void)
 368 {
 369         usb_deregister(&prism2_usb_driver);
 370 };
 371
 372 module_init(prism2usb_init);
 373 module_exit(prism2usb_cleanup);