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         const struct usb_endpoint_descriptor *epd;
  65         const 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         if (iface_desc->desc.bNumEndpoints != 2) {
  71                 result = -ENODEV;
  72                 goto failed;
  73         }
  74
  75         result = -EINVAL;
  76         epd = &iface_desc->endpoint[1].desc;
  77         if (!usb_endpoint_is_bulk_in(epd))
  78                 goto failed;
  79         epd = &iface_desc->endpoint[2].desc;
  80         if (!usb_endpoint_is_bulk_out(epd))
  81                 goto failed;
  82
  83         dev = interface_to_usbdev(interface);
  84         wlandev = create_wlan();
  85         if (!wlandev) {
  86                 dev_err(&interface->dev, "Memory allocation failure.\n");
  87                 result = -EIO;
  88                 goto failed;
  89         }
  90         hw = wlandev->priv;
  91
  92         if (wlan_setup(wlandev, &interface->dev) != 0) {
  93                 dev_err(&interface->dev, "wlan_setup() failed.\n");
  94                 result = -EIO;
  95                 goto failed;
  96         }
  97
  98         /* Initialize the hw data */
  99         hfa384x_create(hw, dev);
 100         hw->wlandev = wlandev;
 101
 102         /* Register the wlandev, this gets us a name and registers the
 103          * linux netdevice.
 104          */
 105         SET_NETDEV_DEV(wlandev->netdev, &interface->dev);
 106
 107         /* Do a chip-level reset on the MAC */
 108         if (prism2_doreset) {
 109                 result = hfa384x_corereset(hw,
 110                                            prism2_reset_holdtime,
 111                                            prism2_reset_settletime, 0);
 112                 if (result != 0) {
 113                         result = -EIO;
 114                         dev_err(&interface->dev,
 115                                 "hfa384x_corereset() failed.\n");
 116                         goto failed_reset;
 117                 }
 118         }
 119
 120         usb_get_dev(dev);
 121
 122         wlandev->msdstate = WLAN_MSD_HWPRESENT;
 123
 124         /* Try and load firmware, then enable card before we register */
 125         prism2_fwtry(dev, wlandev);
 126         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
 127
 128         if (register_wlandev(wlandev) != 0) {
 129                 dev_err(&interface->dev, "register_wlandev() failed.\n");
 130                 result = -EIO;
 131                 goto failed_register;
 132         }
 133
 134         goto done;
 135
 136 failed_register:
 137         usb_put_dev(dev);
 138 failed_reset:
 139         wlan_unsetup(wlandev);
 140 failed:
 141         kfree(wlandev);
 142         kfree(hw);
 143         wlandev = NULL;
 144
 145 done:
 146         usb_set_intfdata(interface, wlandev);
 147         return result;
 148 }
 149
 150 static void prism2sta_disconnect_usb(struct usb_interface *interface)
 151 {
 152         struct wlandevice *wlandev;
 153
 154         wlandev = usb_get_intfdata(interface);
 155         if (wlandev) {
 156                 LIST_HEAD(cleanlist);
 157                 struct hfa384x_usbctlx *ctlx, *temp;
 158                 unsigned long flags;
 159
 160                 struct hfa384x *hw = wlandev->priv;
 161
 162                 if (!hw)
 163                         goto exit;
 164
 165                 spin_lock_irqsave(&hw->ctlxq.lock, flags);
 166
 167                 p80211netdev_hwremoved(wlandev);
 168                 list_splice_init(&hw->ctlxq.reapable, &cleanlist);
 169                 list_splice_init(&hw->ctlxq.completing, &cleanlist);
 170                 list_splice_init(&hw->ctlxq.pending, &cleanlist);
 171                 list_splice_init(&hw->ctlxq.active, &cleanlist);
 172
 173                 spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
 174
 175                 /* There's no hardware to shutdown, but the driver
 176                  * might have some tasks or tasklets that must be
 177                  * stopped before we can tear everything down.
 178                  */
 179                 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
 180
 181                 del_singleshot_timer_sync(&hw->throttle);
 182                 del_singleshot_timer_sync(&hw->reqtimer);
 183                 del_singleshot_timer_sync(&hw->resptimer);
 184
 185                 /* Unlink all the URBs. This "removes the wheels"
 186                  * from the entire CTLX handling mechanism.
 187                  */
 188                 usb_kill_urb(&hw->rx_urb);
 189                 usb_kill_urb(&hw->tx_urb);
 190                 usb_kill_urb(&hw->ctlx_urb);
 191
 192                 tasklet_kill(&hw->completion_bh);
 193                 tasklet_kill(&hw->reaper_bh);
 194
 195                 cancel_work_sync(&hw->link_bh);
 196                 cancel_work_sync(&hw->commsqual_bh);
 197                 cancel_work_sync(&hw->usb_work);
 198
 199                 /* Now we complete any outstanding commands
 200                  * and tell everyone who is waiting for their
 201                  * responses that we have shut down.
 202                  */
 203                 list_for_each_entry(ctlx, &cleanlist, list)
 204                         complete(&ctlx->done);
 205
 206                 /* Give any outstanding synchronous commands
 207                  * a chance to complete. All they need to do
 208                  * is "wake up", so that's easy.
 209                  * (I'd like a better way to do this, really.)
 210                  */
 211                 msleep(100);
 212
 213                 /* Now delete the CTLXs, because no-one else can now. */
 214                 list_for_each_entry_safe(ctlx, temp, &cleanlist, list)
 215                         kfree(ctlx);
 216
 217                 /* Unhook the wlandev */
 218                 unregister_wlandev(wlandev);
 219                 wlan_unsetup(wlandev);
 220
 221                 usb_put_dev(hw->usb);
 222
 223                 hfa384x_destroy(hw);
 224                 kfree(hw);
 225
 226                 kfree(wlandev);
 227         }
 228
 229 exit:
 230         usb_set_intfdata(interface, NULL);
 231 }
 232
 233 #ifdef CONFIG_PM
 234 static int prism2sta_suspend(struct usb_interface *interface,
 235                              pm_message_t message)
 236 {
 237         struct hfa384x *hw = NULL;
 238         struct wlandevice *wlandev;
 239
 240         wlandev = usb_get_intfdata(interface);
 241         if (!wlandev)
 242                 return -ENODEV;
 243
 244         hw = wlandev->priv;
 245         if (!hw)
 246                 return -ENODEV;
 247
 248         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
 249
 250         usb_kill_urb(&hw->rx_urb);
 251         usb_kill_urb(&hw->tx_urb);
 252         usb_kill_urb(&hw->ctlx_urb);
 253
 254         return 0;
 255 }
 256
 257 static int prism2sta_resume(struct usb_interface *interface)
 258 {
 259         int result = 0;
 260         struct hfa384x *hw = NULL;
 261         struct wlandevice *wlandev;
 262
 263         wlandev = usb_get_intfdata(interface);
 264         if (!wlandev)
 265                 return -ENODEV;
 266
 267         hw = wlandev->priv;
 268         if (!hw)
 269                 return -ENODEV;
 270
 271         /* Do a chip-level reset on the MAC */
 272         if (prism2_doreset) {
 273                 result = hfa384x_corereset(hw,
 274                                            prism2_reset_holdtime,
 275                                            prism2_reset_settletime, 0);
 276                 if (result != 0) {
 277                         unregister_wlandev(wlandev);
 278                         hfa384x_destroy(hw);
 279                         dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
 280                         kfree(wlandev);
 281                         kfree(hw);
 282                         wlandev = NULL;
 283                         return -ENODEV;
 284                 }
 285         }
 286
 287         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
 288
 289         return 0;
 290 }
 291 #else
 292 #define prism2sta_suspend NULL
 293 #define prism2sta_resume NULL
 294 #endif /* CONFIG_PM */
 295
 296 static struct usb_driver prism2_usb_driver = {
 297         .name = "prism2_usb",
 298         .probe = prism2sta_probe_usb,
 299         .disconnect = prism2sta_disconnect_usb,
 300         .id_table = usb_prism_tbl,
 301         .suspend = prism2sta_suspend,
 302         .resume = prism2sta_resume,
 303         .reset_resume = prism2sta_resume,
 304         /* fops, minor? */
 305 };
 306
 307 module_usb_driver(prism2_usb_driver);