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
  12 static 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 };
  58 MODULE_DEVICE_TABLE(usb, usb_prism_tbl);
  59
  60 static 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
 122 failed_register:
 123         usb_put_dev(dev);
 124 failed_reset:
 125         wlan_unsetup(wlandev);
 126 failed:
 127         kfree(wlandev);
 128         kfree(hw);
 129         wlandev = NULL;
 130
 131 done:
 132         usb_set_intfdata(interface, wlandev);
 133         return result;
 134 }
 135
 136 static void prism2sta_disconnect_usb(struct usb_interface *interface)
 137 {
 138         struct wlandevice *wlandev;
 139
 140         wlandev = 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                 cancel_work_sync(&hw->usb_work);
 184
 185                 /* Now we complete any outstanding commands
 186                  * and tell everyone who is waiting for their
 187                  * responses that we have shut down.
 188                  */
 189                 list_for_each_entry(ctlx, &cleanlist, list)
 190                         complete(&ctlx->done);
 191
 192                 /* Give any outstanding synchronous commands
 193                  * a chance to complete. All they need to do
 194                  * is "wake up", so that's easy.
 195                  * (I'd like a better way to do this, really.)
 196                  */
 197                 msleep(100);
 198
 199                 /* Now delete the CTLXs, because no-one else can now. */
 200                 list_for_each_entry_safe(ctlx, temp, &cleanlist, list)
 201                         kfree(ctlx);
 202
 203                 /* Unhook the wlandev */
 204                 unregister_wlandev(wlandev);
 205                 wlan_unsetup(wlandev);
 206
 207                 usb_put_dev(hw->usb);
 208
 209                 hfa384x_destroy(hw);
 210                 kfree(hw);
 211
 212                 kfree(wlandev);
 213         }
 214
 215 exit:
 216         usb_set_intfdata(interface, NULL);
 217 }
 218
 219 #ifdef CONFIG_PM
 220 static int prism2sta_suspend(struct usb_interface *interface,
 221                              pm_message_t message)
 222 {
 223         struct hfa384x *hw = NULL;
 224         struct wlandevice *wlandev;
 225
 226         wlandev = usb_get_intfdata(interface);
 227         if (!wlandev)
 228                 return -ENODEV;
 229
 230         hw = wlandev->priv;
 231         if (!hw)
 232                 return -ENODEV;
 233
 234         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
 235
 236         usb_kill_urb(&hw->rx_urb);
 237         usb_kill_urb(&hw->tx_urb);
 238         usb_kill_urb(&hw->ctlx_urb);
 239
 240         return 0;
 241 }
 242
 243 static int prism2sta_resume(struct usb_interface *interface)
 244 {
 245         int result = 0;
 246         struct hfa384x *hw = NULL;
 247         struct wlandevice *wlandev;
 248
 249         wlandev = usb_get_intfdata(interface);
 250         if (!wlandev)
 251                 return -ENODEV;
 252
 253         hw = wlandev->priv;
 254         if (!hw)
 255                 return -ENODEV;
 256
 257         /* Do a chip-level reset on the MAC */
 258         if (prism2_doreset) {
 259                 result = hfa384x_corereset(hw,
 260                                            prism2_reset_holdtime,
 261                                            prism2_reset_settletime, 0);
 262                 if (result != 0) {
 263                         unregister_wlandev(wlandev);
 264                         hfa384x_destroy(hw);
 265                         dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
 266                         kfree(wlandev);
 267                         kfree(hw);
 268                         wlandev = NULL;
 269                         return -ENODEV;
 270                 }
 271         }
 272
 273         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
 274
 275         return 0;
 276 }
 277 #else
 278 #define prism2sta_suspend NULL
 279 #define prism2sta_resume NULL
 280 #endif /* CONFIG_PM */
 281
 282 static struct usb_driver prism2_usb_driver = {
 283         .name = "prism2_usb",
 284         .probe = prism2sta_probe_usb,
 285         .disconnect = prism2sta_disconnect_usb,
 286         .id_table = usb_prism_tbl,
 287         .suspend = prism2sta_suspend,
 288         .resume = prism2sta_resume,
 289         .reset_resume = prism2sta_resume,
 290         /* fops, minor? */
 291 };
 292
 293 module_usb_driver(prism2_usb_driver);