LXR linux/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
  11static 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
  81MODULE_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----------------------------------------------------------------*/
 104static 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
 168failed:
 169        kfree(wlandev);
 170        kfree(hw);
 171        wlandev = NULL;
 172
 173done:
 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----------------------------------------------------------------*/
 197static 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
 284exit:
 285        usb_set_intfdata(interface, NULL);
 286}
 287
 288#ifdef CONFIG_PM
 289static 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
 311static 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
 350static 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
 361module_usb_driver(prism2_usb_driver);
 362