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                dev_err(&interface->dev, "Memory allocation failure.\n");
 117                result = -EIO;
 118                goto failed;
 119        }
 120        hw = wlandev->priv;
 121
 122        if (wlan_setup(wlandev, &(interface->dev)) != 0) {
 123                dev_err(&interface->dev, "wlan_setup() failed.\n");
 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                        dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
 147                        goto failed;
 148                }
 149        }
 150
 151        usb_get_dev(dev);
 152
 153        wlandev->msdstate = WLAN_MSD_HWPRESENT;
 154
 155        /* Try and load firmware, then enable card before we register */
 156        prism2_fwtry(dev, wlandev);
 157        prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
 158
 159        if (register_wlandev(wlandev) != 0) {
 160                dev_err(&interface->dev, "register_wlandev() failed.\n");
 161                result = -EIO;
 162                goto failed;
 163        }
 164
 165        goto done;
 166
 167failed:
 168        kfree(wlandev);
 169        kfree(hw);
 170        wlandev = NULL;
 171
 172done:
 173        usb_set_intfdata(interface, wlandev);
 174        return result;
 175}
 176
 177/*----------------------------------------------------------------
 178* prism2sta_disconnect_usb
 179*
 180* Called when a device previously claimed by probe is removed
 181* from the USB.
 182*
 183* Arguments:
 184*       dev             ptr to the usb_device struct
 185*       ptr             ptr returned by probe() when the device
 186*                       was claimed.
 187*
 188* Returns:
 189*       Nothing
 190*
 191* Side effects:
 192*
 193* Call context:
 194*       process
 195----------------------------------------------------------------*/
 196static void prism2sta_disconnect_usb(struct usb_interface *interface)
 197{
 198        wlandevice_t *wlandev;
 199
 200        wlandev = (wlandevice_t *) usb_get_intfdata(interface);
 201
 202        if (wlandev != NULL) {
 203                LIST_HEAD(cleanlist);
 204                struct list_head *entry;
 205                struct list_head *temp;
 206                unsigned long flags;
 207
 208                hfa384x_t *hw = wlandev->priv;
 209
 210                if (!hw)
 211                        goto exit;
 212
 213                spin_lock_irqsave(&hw->ctlxq.lock, flags);
 214
 215                p80211netdev_hwremoved(wlandev);
 216                list_splice_init(&hw->ctlxq.reapable, &cleanlist);
 217                list_splice_init(&hw->ctlxq.completing, &cleanlist);
 218                list_splice_init(&hw->ctlxq.pending, &cleanlist);
 219                list_splice_init(&hw->ctlxq.active, &cleanlist);
 220
 221                spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
 222
 223                /* There's no hardware to shutdown, but the driver
 224                 * might have some tasks or tasklets that must be
 225                 * stopped before we can tear everything down.
 226                 */
 227                prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
 228
 229                del_singleshot_timer_sync(&hw->throttle);
 230                del_singleshot_timer_sync(&hw->reqtimer);
 231                del_singleshot_timer_sync(&hw->resptimer);
 232
 233                /* Unlink all the URBs. This "removes the wheels"
 234                 * from the entire CTLX handling mechanism.
 235                 */
 236                usb_kill_urb(&hw->rx_urb);
 237                usb_kill_urb(&hw->tx_urb);
 238                usb_kill_urb(&hw->ctlx_urb);
 239
 240                tasklet_kill(&hw->completion_bh);
 241                tasklet_kill(&hw->reaper_bh);
 242
 243                flush_scheduled_work();
 244
 245                /* Now we complete any outstanding commands
 246                 * and tell everyone who is waiting for their
 247                 * responses that we have shut down.
 248                 */
 249                list_for_each(entry, &cleanlist) {
 250                        hfa384x_usbctlx_t *ctlx;
 251
 252                        ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
 253                        complete(&ctlx->done);
 254                }
 255
 256                /* Give any outstanding synchronous commands
 257                 * a chance to complete. All they need to do
 258                 * is "wake up", so that's easy.
 259                 * (I'd like a better way to do this, really.)
 260                 */
 261                msleep(100);
 262
 263                /* Now delete the CTLXs, because no-one else can now. */
 264                list_for_each_safe(entry, temp, &cleanlist) {
 265                        hfa384x_usbctlx_t *ctlx;
 266
 267                        ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
 268                        kfree(ctlx);
 269                }
 270
 271                /* Unhook the wlandev */
 272                unregister_wlandev(wlandev);
 273                wlan_unsetup(wlandev);
 274
 275                usb_put_dev(hw->usb);
 276
 277                hfa384x_destroy(hw);
 278                kfree(hw);
 279
 280                kfree(wlandev);
 281        }
 282
 283exit:
 284        usb_set_intfdata(interface, NULL);
 285}
 286
 287#ifdef CONFIG_PM
 288static int prism2sta_suspend(struct usb_interface *interface,
 289                                pm_message_t message)
 290{
 291        hfa384x_t *hw = NULL;
 292        wlandevice_t *wlandev;
 293        wlandev = (wlandevice_t *) usb_get_intfdata(interface);
 294        if (!wlandev)
 295                return -ENODEV;
 296
 297        hw = wlandev->priv;
 298        if (!hw)
 299                return -ENODEV;
 300
 301        prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
 302
 303        usb_kill_urb(&hw->rx_urb);
 304        usb_kill_urb(&hw->tx_urb);
 305        usb_kill_urb(&hw->ctlx_urb);
 306
 307        return 0;
 308}
 309
 310static int prism2sta_resume(struct usb_interface *interface)
 311{
 312        int result = 0;
 313        hfa384x_t *hw = NULL;
 314        wlandevice_t *wlandev;
 315        wlandev = (wlandevice_t *) usb_get_intfdata(interface);
 316        if (!wlandev)
 317                return -ENODEV;
 318
 319        hw = wlandev->priv;
 320        if (!hw)
 321                return -ENODEV;
 322
 323        /* Do a chip-level reset on the MAC */
 324        if (prism2_doreset) {
 325                result = hfa384x_corereset(hw,
 326                                           prism2_reset_holdtime,
 327                                           prism2_reset_settletime, 0);
 328                if (result != 0) {
 329                        unregister_wlandev(wlandev);
 330                        hfa384x_destroy(hw);
 331                        dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
 332                        kfree(wlandev);
 333                        kfree(hw);
 334                        wlandev = NULL;
 335                        return -ENODEV;
 336                }
 337        }
 338
 339        prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
 340
 341        return 0;
 342}
 343#else
 344#define prism2sta_suspend NULL
 345#define prism2sta_resume NULL
 346#endif /* CONFIG_PM */
 347
 348static struct usb_driver prism2_usb_driver = {
 349        .name = "prism2_usb",
 350        .probe = prism2sta_probe_usb,
 351        .disconnect = prism2sta_disconnect_usb,
 352        .id_table = usb_prism_tbl,
 353        .suspend = prism2sta_suspend,
 354        .resume = prism2sta_resume,
 355        .reset_resume = prism2sta_resume,
 356        /* fops, minor? */
 357};
 358
 359module_usb_driver(prism2_usb_driver);
 360