LXR linux/drivers/staging/wlan-ng/prism2usb.c

   1// SPDX-License-Identifier: GPL-2.0
   2#include "hfa384x_usb.c"
   3#include "prism2mgmt.c"
   4#include "prism2mib.c"
   5#include "prism2sta.c"
   6#include "prism2fw.c"
   7
   8#define PRISM_DEV(vid, pid, name)               \
   9        { USB_DEVICE(vid, pid),                 \
  10        .driver_info = (unsigned long)name }
  11
  12static const struct usb_device_id usb_prism_tbl[] = {
  13        PRISM_DEV(0x04bb, 0x0922, "IOData AirPort WN-B11/USBS"),
  14        PRISM_DEV(0x07aa, 0x0012, "Corega Wireless LAN USB Stick-11"),
  15        PRISM_DEV(0x09aa, 0x3642, "Prism2.x 11Mbps WLAN USB Adapter"),
  16        PRISM_DEV(0x1668, 0x0408, "Actiontec Prism2.5 11Mbps WLAN USB Adapter"),
  17        PRISM_DEV(0x1668, 0x0421, "Actiontec Prism2.5 11Mbps WLAN USB Adapter"),
  18        PRISM_DEV(0x1915, 0x2236, "Linksys WUSB11v3.0 11Mbps WLAN USB Adapter"),
  19        PRISM_DEV(0x066b, 0x2212, "Linksys WUSB11v2.5 11Mbps WLAN USB Adapter"),
  20        PRISM_DEV(0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps WLAN USB Adapter"),
  21        PRISM_DEV(0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter"),
  22        PRISM_DEV(0x08de, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter"),
  23        PRISM_DEV(0x8086, 0x1111, "Intel PRO/Wireless 2011B LAN USB Adapter"),
  24        PRISM_DEV(0x0d8e, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter"),
  25        PRISM_DEV(0x045e, 0x006e, "Microsoft MN510 Wireless USB Adapter"),
  26        PRISM_DEV(0x0967, 0x0204, "Acer Warplink USB Adapter"),
  27        PRISM_DEV(0x0cde, 0x0002, "Z-Com 725/726 Prism2.5 USB/USB Integrated"),
  28        PRISM_DEV(0x0cde, 0x0005, "Z-Com Xl735 Wireless 802.11b USB Adapter"),
  29        PRISM_DEV(0x413c, 0x8100, "Dell TrueMobile 1180 Wireless USB Adapter"),
  30        PRISM_DEV(0x0b3b, 0x1601, "ALLNET 0193 11Mbps WLAN USB Adapter"),
  31        PRISM_DEV(0x0b3b, 0x1602, "ZyXEL ZyAIR B200 Wireless USB Adapter"),
  32        PRISM_DEV(0x0baf, 0x00eb, "USRobotics USR1120 Wireless USB Adapter"),
  33        PRISM_DEV(0x0411, 0x0027, "Melco WLI-USB-KS11G 11Mbps WLAN Adapter"),
  34        PRISM_DEV(0x04f1, 0x3009, "JVC MP-XP7250 Builtin USB WLAN Adapter"),
  35        PRISM_DEV(0x0846, 0x4110, "NetGear MA111"),
  36        PRISM_DEV(0x03f3, 0x0020, "Adaptec AWN-8020 USB WLAN Adapter"),
  37        PRISM_DEV(0x2821, 0x3300, "ASUS-WL140 Wireless USB Adapter"),
  38        PRISM_DEV(0x2001, 0x3700, "DWL-122 Wireless USB Adapter"),
  39        PRISM_DEV(0x2001, 0x3702, "DWL-120 Rev F Wireless USB Adapter"),
  40        PRISM_DEV(0x50c2, 0x4013, "Averatec USB WLAN Adapter"),
  41        PRISM_DEV(0x2c02, 0x14ea, "Planex GW-US11H WLAN USB Adapter"),
  42        PRISM_DEV(0x124a, 0x168b, "Airvast PRISM3 WLAN USB Adapter"),
  43        PRISM_DEV(0x083a, 0x3503, "T-Sinus 111 USB WLAN Adapter"),
  44        PRISM_DEV(0x2821, 0x3300, "Hawking HighDB USB Adapter"),
  45        PRISM_DEV(0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter"),
  46        PRISM_DEV(0x1668, 0x6106, "ROPEX FreeLan 802.11b USB Adapter"),
  47        PRISM_DEV(0x124a, 0x4017, "Pheenet WL-503IA 802.11b USB Adapter"),
  48        PRISM_DEV(0x0bb2, 0x0302, "Ambit Microsystems Corp."),
  49        PRISM_DEV(0x9016, 0x182d, "Sitecom WL-022 802.11b USB Adapter"),
  50        PRISM_DEV(0x0543, 0x0f01,
  51                  "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)"),
  52        PRISM_DEV(0x067c, 0x1022,
  53                  "Siemens SpeedStream 1022 11Mbps WLAN USB Adapter"),
  54        PRISM_DEV(0x049f, 0x0033,
  55                  "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter"),
  56        { } /* terminator */
  57};
  58MODULE_DEVICE_TABLE(usb, usb_prism_tbl);
  59
  60static int prism2sta_probe_usb(struct usb_interface *interface,
  61                               const struct usb_device_id *id)
  62{
  63        struct usb_device *dev;
  64
  65        struct wlandevice *wlandev = NULL;
  66        struct hfa384x *hw = NULL;
  67        int result = 0;
  68
  69        dev = interface_to_usbdev(interface);
  70        wlandev = create_wlan();
  71        if (!wlandev) {
  72                dev_err(&interface->dev, "Memory allocation failure.\n");
  73                result = -EIO;
  74                goto failed;
  75        }
  76        hw = wlandev->priv;
  77
  78        if (wlan_setup(wlandev, &interface->dev) != 0) {
  79                dev_err(&interface->dev, "wlan_setup() failed.\n");
  80                result = -EIO;
  81                goto failed;
  82        }
  83
  84        /* Initialize the hw data */
  85        hfa384x_create(hw, dev);
  86        hw->wlandev = wlandev;
  87
  88        /* Register the wlandev, this gets us a name and registers the
  89         * linux netdevice.
  90         */
  91        SET_NETDEV_DEV(wlandev->netdev, &interface->dev);
  92
  93        /* Do a chip-level reset on the MAC */
  94        if (prism2_doreset) {
  95                result = hfa384x_corereset(hw,
  96                                           prism2_reset_holdtime,
  97                                           prism2_reset_settletime, 0);
  98                if (result != 0) {
  99                        result = -EIO;
 100                        dev_err(&interface->dev,
 101                                "hfa384x_corereset() failed.\n");
 102                        goto failed_reset;
 103                }
 104        }
 105
 106        usb_get_dev(dev);
 107
 108        wlandev->msdstate = WLAN_MSD_HWPRESENT;
 109
 110        /* Try and load firmware, then enable card before we register */
 111        prism2_fwtry(dev, wlandev);
 112        prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
 113
 114        if (register_wlandev(wlandev) != 0) {
 115                dev_err(&interface->dev, "register_wlandev() failed.\n");
 116                result = -EIO;
 117                goto failed_register;
 118        }
 119
 120        goto done;
 121
 122failed_register:
 123        usb_put_dev(dev);
 124failed_reset:
 125        wlan_unsetup(wlandev);
 126failed:
 127        kfree(wlandev);
 128        kfree(hw);
 129        wlandev = NULL;
 130
 131done:
 132        usb_set_intfdata(interface, wlandev);
 133        return result;
 134}
 135
 136static void prism2sta_disconnect_usb(struct usb_interface *interface)
 137{
 138        struct wlandevice *wlandev;
 139
 140        wlandev = (struct wlandevice *)usb_get_intfdata(interface);
 141        if (wlandev) {
 142                LIST_HEAD(cleanlist);
 143                struct hfa384x_usbctlx *ctlx, *temp;
 144                unsigned long flags;
 145
 146                struct hfa384x *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                cancel_work_sync(&hw->link_bh);
 182                cancel_work_sync(&hw->commsqual_bh);
 183
 184                /* Now we complete any outstanding commands
 185                 * and tell everyone who is waiting for their
 186                 * responses that we have shut down.
 187                 */
 188                list_for_each_entry(ctlx, &cleanlist, list)
 189                        complete(&ctlx->done);
 190
 191                /* Give any outstanding synchronous commands
 192                 * a chance to complete. All they need to do
 193                 * is "wake up", so that's easy.
 194                 * (I'd like a better way to do this, really.)
 195                 */
 196                msleep(100);
 197
 198                /* Now delete the CTLXs, because no-one else can now. */
 199                list_for_each_entry_safe(ctlx, temp, &cleanlist, list)
 200                        kfree(ctlx);
 201
 202                /* Unhook the wlandev */
 203                unregister_wlandev(wlandev);
 204                wlan_unsetup(wlandev);
 205
 206                usb_put_dev(hw->usb);
 207
 208                hfa384x_destroy(hw);
 209                kfree(hw);
 210
 211                kfree(wlandev);
 212        }
 213
 214exit:
 215        usb_set_intfdata(interface, NULL);
 216}
 217
 218#ifdef CONFIG_PM
 219static int prism2sta_suspend(struct usb_interface *interface,
 220                             pm_message_t message)
 221{
 222        struct hfa384x *hw = NULL;
 223        struct wlandevice *wlandev;
 224
 225        wlandev = (struct wlandevice *)usb_get_intfdata(interface);
 226        if (!wlandev)
 227                return -ENODEV;
 228
 229        hw = wlandev->priv;
 230        if (!hw)
 231                return -ENODEV;
 232
 233        prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
 234
 235        usb_kill_urb(&hw->rx_urb);
 236        usb_kill_urb(&hw->tx_urb);
 237        usb_kill_urb(&hw->ctlx_urb);
 238
 239        return 0;
 240}
 241
 242static int prism2sta_resume(struct usb_interface *interface)
 243{
 244        int result = 0;
 245        struct hfa384x *hw = NULL;
 246        struct wlandevice *wlandev;
 247
 248        wlandev = (struct wlandevice *)usb_get_intfdata(interface);
 249        if (!wlandev)
 250                return -ENODEV;
 251
 252        hw = wlandev->priv;
 253        if (!hw)
 254                return -ENODEV;
 255
 256        /* Do a chip-level reset on the MAC */
 257        if (prism2_doreset) {
 258                result = hfa384x_corereset(hw,
 259                                           prism2_reset_holdtime,
 260                                           prism2_reset_settletime, 0);
 261                if (result != 0) {
 262                        unregister_wlandev(wlandev);
 263                        hfa384x_destroy(hw);
 264                        dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
 265                        kfree(wlandev);
 266                        kfree(hw);
 267                        wlandev = NULL;
 268                        return -ENODEV;
 269                }
 270        }
 271
 272        prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
 273
 274        return 0;
 275}
 276#else
 277#define prism2sta_suspend NULL
 278#define prism2sta_resume NULL
 279#endif /* CONFIG_PM */
 280
 281static struct usb_driver prism2_usb_driver = {
 282        .name = "prism2_usb",
 283        .probe = prism2sta_probe_usb,
 284        .disconnect = prism2sta_disconnect_usb,
 285        .id_table = usb_prism_tbl,
 286        .suspend = prism2sta_suspend,
 287        .resume = prism2sta_resume,
 288        .reset_resume = prism2sta_resume,
 289        /* fops, minor? */
 290};
 291
 292module_usb_driver(prism2_usb_driver);
 293