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         struct usb_endpoint_descriptor *bulk_in, *bulk_out;
  65         struct usb_host_interface *iface_desc = interface->cur_altsetting;
  66         struct wlandevice *wlandev = NULL;
  67         struct hfa384x *hw = NULL;
  68         int result = 0;
  69
  70         result = usb_find_common_endpoints(iface_desc, &bulk_in, &bulk_out, NULL, NULL);
  71         if (result)
  72                 goto failed;
  73
  74         dev = interface_to_usbdev(interface);
  75         wlandev = create_wlan();
  76         if (!wlandev) {
  77                 dev_err(&interface->dev, "Memory allocation failure.\n");
  78                 result = -EIO;
  79                 goto failed;
  80         }
  81         hw = wlandev->priv;
  82
  83         if (wlan_setup(wlandev, &interface->dev) != 0) {
  84                 dev_err(&interface->dev, "wlan_setup() failed.\n");
  85                 result = -EIO;
  86                 goto failed;
  87         }
  88
  89         /* Initialize the hw data */
  90         hw->endp_in = usb_rcvbulkpipe(dev, bulk_in->bEndpointAddress);
  91         hw->endp_out = usb_sndbulkpipe(dev, bulk_out->bEndpointAddress);
  92         hfa384x_create(hw, dev);
  93         hw->wlandev = wlandev;
  94
  95         /* Register the wlandev, this gets us a name and registers the
  96          * linux netdevice.
  97          */
  98         SET_NETDEV_DEV(wlandev->netdev, &interface->dev);
  99
 100         /* Do a chip-level reset on the MAC */
 101         if (prism2_doreset) {
 102                 result = hfa384x_corereset(hw,
 103                                            prism2_reset_holdtime,
 104                                            prism2_reset_settletime, 0);
 105                 if (result != 0) {
 106                         result = -EIO;
 107                         dev_err(&interface->dev,
 108                                 "hfa384x_corereset() failed.\n");
 109                         goto failed_reset;
 110                 }
 111         }
 112
 113         usb_get_dev(dev);
 114
 115         wlandev->msdstate = WLAN_MSD_HWPRESENT;
 116
 117         /* Try and load firmware, then enable card before we register */
 118         prism2_fwtry(dev, wlandev);
 119         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
 120
 121         if (register_wlandev(wlandev) != 0) {
 122                 dev_err(&interface->dev, "register_wlandev() failed.\n");
 123                 result = -EIO;
 124                 goto failed_register;
 125         }
 126
 127         goto done;
 128
 129 failed_register:
 130         usb_put_dev(dev);
 131 failed_reset:
 132         wlan_unsetup(wlandev);
 133 failed:
 134         kfree(wlandev);
 135         kfree(hw);
 136         wlandev = NULL;
 137
 138 done:
 139         usb_set_intfdata(interface, wlandev);
 140         return result;
 141 }
 142
 143 static void prism2sta_disconnect_usb(struct usb_interface *interface)
 144 {
 145         struct wlandevice *wlandev;
 146
 147         wlandev = (struct wlandevice *)usb_get_intfdata(interface);
 148         if (wlandev) {
 149                 LIST_HEAD(cleanlist);
 150                 struct hfa384x_usbctlx *ctlx, *temp;
 151                 unsigned long flags;
 152
 153                 struct hfa384x *hw = wlandev->priv;
 154
 155                 if (!hw)
 156                         goto exit;
 157
 158                 spin_lock_irqsave(&hw->ctlxq.lock, flags);
 159
 160                 p80211netdev_hwremoved(wlandev);
 161                 list_splice_init(&hw->ctlxq.reapable, &cleanlist);
 162                 list_splice_init(&hw->ctlxq.completing, &cleanlist);
 163                 list_splice_init(&hw->ctlxq.pending, &cleanlist);
 164                 list_splice_init(&hw->ctlxq.active, &cleanlist);
 165
 166                 spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
 167
 168                 /* There's no hardware to shutdown, but the driver
 169                  * might have some tasks or tasklets that must be
 170                  * stopped before we can tear everything down.
 171                  */
 172                 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
 173
 174                 del_singleshot_timer_sync(&hw->throttle);
 175                 del_singleshot_timer_sync(&hw->reqtimer);
 176                 del_singleshot_timer_sync(&hw->resptimer);
 177
 178                 /* Unlink all the URBs. This "removes the wheels"
 179                  * from the entire CTLX handling mechanism.
 180                  */
 181                 usb_kill_urb(&hw->rx_urb);
 182                 usb_kill_urb(&hw->tx_urb);
 183                 usb_kill_urb(&hw->ctlx_urb);
 184
 185                 tasklet_kill(&hw->completion_bh);
 186                 tasklet_kill(&hw->reaper_bh);
 187
 188                 cancel_work_sync(&hw->link_bh);
 189                 cancel_work_sync(&hw->commsqual_bh);
 190                 cancel_work_sync(&hw->usb_work);
 191
 192                 /* Now we complete any outstanding commands
 193                  * and tell everyone who is waiting for their
 194                  * responses that we have shut down.
 195                  */
 196                 list_for_each_entry(ctlx, &cleanlist, list)
 197                         complete(&ctlx->done);
 198
 199                 /* Give any outstanding synchronous commands
 200                  * a chance to complete. All they need to do
 201                  * is "wake up", so that's easy.
 202                  * (I'd like a better way to do this, really.)
 203                  */
 204                 msleep(100);
 205
 206                 /* Now delete the CTLXs, because no-one else can now. */
 207                 list_for_each_entry_safe(ctlx, temp, &cleanlist, list)
 208                         kfree(ctlx);
 209
 210                 /* Unhook the wlandev */
 211                 unregister_wlandev(wlandev);
 212                 wlan_unsetup(wlandev);
 213
 214                 usb_put_dev(hw->usb);
 215
 216                 hfa384x_destroy(hw);
 217                 kfree(hw);
 218
 219                 kfree(wlandev);
 220         }
 221
 222 exit:
 223         usb_set_intfdata(interface, NULL);
 224 }
 225
 226 #ifdef CONFIG_PM
 227 static int prism2sta_suspend(struct usb_interface *interface,
 228                              pm_message_t message)
 229 {
 230         struct hfa384x *hw = NULL;
 231         struct wlandevice *wlandev;
 232
 233         wlandev = (struct wlandevice *)usb_get_intfdata(interface);
 234         if (!wlandev)
 235                 return -ENODEV;
 236
 237         hw = wlandev->priv;
 238         if (!hw)
 239                 return -ENODEV;
 240
 241         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
 242
 243         usb_kill_urb(&hw->rx_urb);
 244         usb_kill_urb(&hw->tx_urb);
 245         usb_kill_urb(&hw->ctlx_urb);
 246
 247         return 0;
 248 }
 249
 250 static int prism2sta_resume(struct usb_interface *interface)
 251 {
 252         int result = 0;
 253         struct hfa384x *hw = NULL;
 254         struct wlandevice *wlandev;
 255
 256         wlandev = (struct wlandevice *)usb_get_intfdata(interface);
 257         if (!wlandev)
 258                 return -ENODEV;
 259
 260         hw = wlandev->priv;
 261         if (!hw)
 262                 return -ENODEV;
 263
 264         /* Do a chip-level reset on the MAC */
 265         if (prism2_doreset) {
 266                 result = hfa384x_corereset(hw,
 267                                            prism2_reset_holdtime,
 268                                            prism2_reset_settletime, 0);
 269                 if (result != 0) {
 270                         unregister_wlandev(wlandev);
 271                         hfa384x_destroy(hw);
 272                         dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
 273                         kfree(wlandev);
 274                         kfree(hw);
 275                         wlandev = NULL;
 276                         return -ENODEV;
 277                 }
 278         }
 279
 280         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
 281
 282         return 0;
 283 }
 284 #else
 285 #define prism2sta_suspend NULL
 286 #define prism2sta_resume NULL
 287 #endif /* CONFIG_PM */
 288
 289 static struct usb_driver prism2_usb_driver = {
 290         .name = "prism2_usb",
 291         .probe = prism2sta_probe_usb,
 292         .disconnect = prism2sta_disconnect_usb,
 293         .id_table = usb_prism_tbl,
 294         .suspend = prism2sta_suspend,
 295         .resume = prism2sta_resume,
 296         .reset_resume = prism2sta_resume,
 297         /* fops, minor? */
 298 };
 299
 300 module_usb_driver(prism2_usb_driver);