kernel/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
  64         wlandevice_t *wlandev = NULL;
  65         hfa384x_t *hw = NULL;
  66         int result = 0;
  67
  68         dev = interface_to_usbdev(interface);
  69         wlandev = create_wlan();
  70         if (wlandev == NULL) {
  71                 dev_err(&interface->dev, "Memory allocation failure.\n");
  72                 result = -EIO;
  73                 goto failed;
  74         }
  75         hw = wlandev->priv;
  76
  77         if (wlan_setup(wlandev, &(interface->dev)) != 0) {
  78                 dev_err(&interface->dev, "wlan_setup() failed.\n");
  79                 result = -EIO;
  80                 goto failed;
  81         }
  82
  83         /* Initialize the hw data */
  84         hfa384x_create(hw, dev);
  85         hw->wlandev = wlandev;
  86
  87         /* Register the wlandev, this gets us a name and registers the
  88          * linux netdevice.
  89          */
  90         SET_NETDEV_DEV(wlandev->netdev, &(interface->dev));
  91
  92         /* Do a chip-level reset on the MAC */
  93         if (prism2_doreset) {
  94                 result = hfa384x_corereset(hw,
  95                                            prism2_reset_holdtime,
  96                                            prism2_reset_settletime, 0);
  97                 if (result != 0) {
  98                         result = -EIO;
  99                         dev_err(&interface->dev,
 100                                 "hfa384x_corereset() failed.\n");
 101                         goto failed_reset;
 102                 }
 103         }
 104
 105         usb_get_dev(dev);
 106
 107         wlandev->msdstate = WLAN_MSD_HWPRESENT;
 108
 109         /* Try and load firmware, then enable card before we register */
 110         prism2_fwtry(dev, wlandev);
 111         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
 112
 113         if (register_wlandev(wlandev) != 0) {
 114                 dev_err(&interface->dev, "register_wlandev() failed.\n");
 115                 result = -EIO;
 116                 goto failed_register;
 117         }
 118
 119         goto done;
 120
 121 failed_register:
 122         usb_put_dev(dev);
 123 failed_reset:
 124         wlan_unsetup(wlandev);
 125 failed:
 126         kfree(wlandev);
 127         kfree(hw);
 128         wlandev = NULL;
 129
 130 done:
 131         usb_set_intfdata(interface, wlandev);
 132         return result;
 133 }
 134
 135 static void prism2sta_disconnect_usb(struct usb_interface *interface)
 136 {
 137         wlandevice_t *wlandev;
 138
 139         wlandev = (wlandevice_t *) usb_get_intfdata(interface);
 140         if (wlandev != NULL) {
 141                 LIST_HEAD(cleanlist);
 142                 struct list_head *entry;
 143                 struct list_head *temp;
 144                 unsigned long flags;
 145
 146                 hfa384x_t *hw = wlandev->priv;
 147
 148                 if (!hw)
 149                         goto exit;
 150
 151                 spin_lock_irqsave(&hw->ctlxq.lock, flags);
 152
 153                 p80211netdev_hwremoved(wlandev);
 154                 list_splice_init(&hw->ctlxq.reapable, &cleanlist);
 155                 list_splice_init(&hw->ctlxq.completing, &cleanlist);
 156                 list_splice_init(&hw->ctlxq.pending, &cleanlist);
 157                 list_splice_init(&hw->ctlxq.active, &cleanlist);
 158
 159                 spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
 160
 161                 /* There's no hardware to shutdown, but the driver
 162                  * might have some tasks or tasklets that must be
 163                  * stopped before we can tear everything down.
 164                  */
 165                 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
 166
 167                 del_singleshot_timer_sync(&hw->throttle);
 168                 del_singleshot_timer_sync(&hw->reqtimer);
 169                 del_singleshot_timer_sync(&hw->resptimer);
 170
 171                 /* Unlink all the URBs. This "removes the wheels"
 172                  * from the entire CTLX handling mechanism.
 173                  */
 174                 usb_kill_urb(&hw->rx_urb);
 175                 usb_kill_urb(&hw->tx_urb);
 176                 usb_kill_urb(&hw->ctlx_urb);
 177
 178                 tasklet_kill(&hw->completion_bh);
 179                 tasklet_kill(&hw->reaper_bh);
 180
 181                 flush_scheduled_work();
 182
 183                 /* Now we complete any outstanding commands
 184                  * and tell everyone who is waiting for their
 185                  * responses that we have shut down.
 186                  */
 187                 list_for_each(entry, &cleanlist) {
 188                         hfa384x_usbctlx_t *ctlx;
 189
 190                         ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
 191                         complete(&ctlx->done);
 192                 }
 193
 194                 /* Give any outstanding synchronous commands
 195                  * a chance to complete. All they need to do
 196                  * is "wake up", so that's easy.
 197                  * (I'd like a better way to do this, really.)
 198                  */
 199                 msleep(100);
 200
 201                 /* Now delete the CTLXs, because no-one else can now. */
 202                 list_for_each_safe(entry, temp, &cleanlist) {
 203                         hfa384x_usbctlx_t *ctlx;
 204
 205                         ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
 206                         kfree(ctlx);
 207                 }
 208
 209                 /* Unhook the wlandev */
 210                 unregister_wlandev(wlandev);
 211                 wlan_unsetup(wlandev);
 212
 213                 usb_put_dev(hw->usb);
 214
 215                 hfa384x_destroy(hw);
 216                 kfree(hw);
 217
 218                 kfree(wlandev);
 219         }
 220
 221 exit:
 222         usb_set_intfdata(interface, NULL);
 223 }
 224
 225 #ifdef CONFIG_PM
 226 static int prism2sta_suspend(struct usb_interface *interface,
 227                                 pm_message_t message)
 228 {
 229         hfa384x_t *hw = NULL;
 230         wlandevice_t *wlandev;
 231
 232         wlandev = (wlandevice_t *) usb_get_intfdata(interface);
 233         if (!wlandev)
 234                 return -ENODEV;
 235
 236         hw = wlandev->priv;
 237         if (!hw)
 238                 return -ENODEV;
 239
 240         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
 241
 242         usb_kill_urb(&hw->rx_urb);
 243         usb_kill_urb(&hw->tx_urb);
 244         usb_kill_urb(&hw->ctlx_urb);
 245
 246         return 0;
 247 }
 248
 249 static int prism2sta_resume(struct usb_interface *interface)
 250 {
 251         int result = 0;
 252         hfa384x_t *hw = NULL;
 253         wlandevice_t *wlandev;
 254
 255         wlandev = (wlandevice_t *) usb_get_intfdata(interface);
 256         if (!wlandev)
 257                 return -ENODEV;
 258
 259         hw = wlandev->priv;
 260         if (!hw)
 261                 return -ENODEV;
 262
 263         /* Do a chip-level reset on the MAC */
 264         if (prism2_doreset) {
 265                 result = hfa384x_corereset(hw,
 266                                            prism2_reset_holdtime,
 267                                            prism2_reset_settletime, 0);
 268                 if (result != 0) {
 269                         unregister_wlandev(wlandev);
 270                         hfa384x_destroy(hw);
 271                         dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
 272                         kfree(wlandev);
 273                         kfree(hw);
 274                         wlandev = NULL;
 275                         return -ENODEV;
 276                 }
 277         }
 278
 279         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
 280
 281         return 0;
 282 }
 283 #else
 284 #define prism2sta_suspend NULL
 285 #define prism2sta_resume NULL
 286 #endif /* CONFIG_PM */
 287
 288 static struct usb_driver prism2_usb_driver = {
 289         .name = "prism2_usb",
 290         .probe = prism2sta_probe_usb,
 291         .disconnect = prism2sta_disconnect_usb,
 292         .id_table = usb_prism_tbl,
 293         .suspend = prism2sta_suspend,
 294         .resume = prism2sta_resume,
 295         .reset_resume = prism2sta_resume,
 296         /* fops, minor? */
 297 };
 298
 299 module_usb_driver(prism2_usb_driver);