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