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        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
 129failed_register:
 130        usb_put_dev(dev);
 131failed_reset:
 132        wlan_unsetup(wlandev);
 133failed:
 134        kfree(wlandev);
 135        kfree(hw);
 136        wlandev = NULL;
 137
 138done:
 139        usb_set_intfdata(interface, wlandev);
 140        return result;
 141}
 142
 143static void prism2sta_disconnect_usb(struct usb_interface *interface)
 144{
 145        struct wlandevice *wlandev;
 146
 147        wlandev = 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
 222exit:
 223        usb_set_intfdata(interface, NULL);
 224}
 225
 226#ifdef CONFIG_PM
 227static 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 = 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
 250static int prism2sta_resume(struct usb_interface *interface)
 251{
 252        int result = 0;
 253        struct hfa384x *hw = NULL;
 254        struct wlandevice *wlandev;
 255
 256        wlandev = 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
 289static 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
 300module_usb_driver(prism2_usb_driver);
 301