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Linux/drivers/staging/wlan-ng/prism2usb.c

  1 #include "hfa384x_usb.c"
  2 #include "prism2mgmt.c"
  3 #include "prism2mib.c"
  4 #include "prism2sta.c"
  5 #include "prism2fw.c"
  6 
  7 #define PRISM_USB_DEVICE(vid, pid, name)        \
  8         USB_DEVICE(vid, pid),                   \
  9         .driver_info = (unsigned long) name
 10 
 11 static struct usb_device_id usb_prism_tbl[] = {
 12         {PRISM_USB_DEVICE(0x04bb, 0x0922, "IOData AirPort WN-B11/USBS")},
 13         {PRISM_USB_DEVICE(0x07aa, 0x0012, "Corega Wireless LAN USB Stick-11")},
 14         {PRISM_USB_DEVICE(0x09aa, 0x3642, "Prism2.x 11Mbps WLAN USB Adapter")},
 15         {PRISM_USB_DEVICE
 16          (0x1668, 0x0408, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")},
 17         {PRISM_USB_DEVICE
 18          (0x1668, 0x0421, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")},
 19         {PRISM_USB_DEVICE
 20          (0x1915, 0x2236, "Linksys WUSB11v3.0 11Mbps WLAN USB Adapter")},
 21         {PRISM_USB_DEVICE
 22          (0x066b, 0x2212, "Linksys WUSB11v2.5 11Mbps WLAN USB Adapter")},
 23         {PRISM_USB_DEVICE
 24          (0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps WLAN USB Adapter")},
 25         {PRISM_USB_DEVICE
 26          (0x067c, 0x1022, "Siemens SpeedStream 1022 11Mbps WLAN USB Adapter")},
 27         {PRISM_USB_DEVICE
 28          (0x049f, 0x0033,
 29          "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter")},
 30         {PRISM_USB_DEVICE
 31          (0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter")},
 32         {PRISM_USB_DEVICE
 33          (0x08de, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")},
 34         {PRISM_USB_DEVICE
 35          (0x8086, 0x1111, "Intel PRO/Wireless 2011B LAN USB Adapter")},
 36         {PRISM_USB_DEVICE
 37          (0x0d8e, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")},
 38         {PRISM_USB_DEVICE
 39          (0x045e, 0x006e, "Microsoft MN510 Wireless USB Adapter")},
 40         {PRISM_USB_DEVICE(0x0967, 0x0204, "Acer Warplink USB Adapter")},
 41         {PRISM_USB_DEVICE
 42          (0x0cde, 0x0002, "Z-Com 725/726 Prism2.5 USB/USB Integrated")},
 43         {PRISM_USB_DEVICE
 44          (0x0cde, 0x0005, "Z-Com Xl735 Wireless 802.11b USB Adapter")},
 45         {PRISM_USB_DEVICE
 46          (0x413c, 0x8100, "Dell TrueMobile 1180 Wireless USB Adapter")},
 47         {PRISM_USB_DEVICE
 48          (0x0b3b, 0x1601, "ALLNET 0193 11Mbps WLAN USB Adapter")},
 49         {PRISM_USB_DEVICE
 50          (0x0b3b, 0x1602, "ZyXEL ZyAIR B200 Wireless USB Adapter")},
 51         {PRISM_USB_DEVICE
 52          (0x0baf, 0x00eb, "USRobotics USR1120 Wireless USB Adapter")},
 53         {PRISM_USB_DEVICE
 54          (0x0411, 0x0027, "Melco WLI-USB-KS11G 11Mbps WLAN Adapter")},
 55         {PRISM_USB_DEVICE
 56          (0x04f1, 0x3009, "JVC MP-XP7250 Builtin USB WLAN Adapter")},
 57         {PRISM_USB_DEVICE(0x0846, 0x4110, "NetGear MA111")},
 58         {PRISM_USB_DEVICE(0x03f3, 0x0020, "Adaptec AWN-8020 USB WLAN Adapter")},
 59         {PRISM_USB_DEVICE(0x2821, 0x3300, "ASUS-WL140 Wireless USB Adapter")},
 60         {PRISM_USB_DEVICE(0x2001, 0x3700, "DWL-122 Wireless USB Adapter")},
 61         {PRISM_USB_DEVICE
 62          (0x2001, 0x3702, "DWL-120 Rev F Wireless USB Adapter")},
 63         {PRISM_USB_DEVICE(0x50c2, 0x4013, "Averatec USB WLAN Adapter")},
 64         {PRISM_USB_DEVICE(0x2c02, 0x14ea, "Planex GW-US11H WLAN USB Adapter")},
 65         {PRISM_USB_DEVICE(0x124a, 0x168b, "Airvast PRISM3 WLAN USB Adapter")},
 66         {PRISM_USB_DEVICE(0x083a, 0x3503, "T-Sinus 111 USB WLAN Adapter")},
 67         {PRISM_USB_DEVICE(0x2821, 0x3300, "Hawking HighDB USB Adapter")},
 68         {PRISM_USB_DEVICE
 69          (0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter")},
 70         {PRISM_USB_DEVICE(0x1668, 0x6106, "ROPEX FreeLan 802.11b USB Adapter")},
 71         {PRISM_USB_DEVICE
 72          (0x124a, 0x4017, "Pheenet WL-503IA 802.11b USB Adapter")},
 73         {PRISM_USB_DEVICE(0x0bb2, 0x0302, "Ambit Microsystems Corp.")},
 74         {PRISM_USB_DEVICE
 75          (0x9016, 0x182d, "Sitecom WL-022 802.11b USB Adapter")},
 76         {PRISM_USB_DEVICE
 77          (0x0543, 0x0f01, "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)")},
 78         { /* terminator */ }
 79 };
 80 
 81 MODULE_DEVICE_TABLE(usb, usb_prism_tbl);
 82 
 83 /*----------------------------------------------------------------
 84 * prism2sta_probe_usb
 85 *
 86 * Probe routine called by the USB subsystem.
 87 *
 88 * Arguments:
 89 *       dev             ptr to the usb_device struct
 90 *       ifnum           interface number being offered
 91 *
 92 * Returns:
 93 *       NULL            - we're not claiming the device+interface
 94 *       non-NULL        - we are claiming the device+interface and
 95 *                         this is a ptr to the data we want back
 96 *                         when disconnect is called.
 97 *
 98 * Side effects:
 99 *
100 * Call context:
101 *       I'm not sure, assume it's interrupt.
102 *
103 ----------------------------------------------------------------*/
104 static int prism2sta_probe_usb(struct usb_interface *interface,
105                                const struct usb_device_id *id)
106 {
107         struct usb_device *dev;
108 
109         wlandevice_t *wlandev = NULL;
110         hfa384x_t *hw = NULL;
111         int result = 0;
112 
113         dev = interface_to_usbdev(interface);
114         wlandev = create_wlan();
115         if (wlandev == NULL) {
116                 dev_err(&interface->dev, "Memory allocation failure.\n");
117                 result = -EIO;
118                 goto failed;
119         }
120         hw = wlandev->priv;
121 
122         if (wlan_setup(wlandev, &(interface->dev)) != 0) {
123                 dev_err(&interface->dev, "wlan_setup() failed.\n");
124                 result = -EIO;
125                 goto failed;
126         }
127 
128         /* Initialize the hw data */
129         hfa384x_create(hw, dev);
130         hw->wlandev = wlandev;
131 
132         /* Register the wlandev, this gets us a name and registers the
133          * linux netdevice.
134          */
135         SET_NETDEV_DEV(wlandev->netdev, &(interface->dev));
136 
137         /* Do a chip-level reset on the MAC */
138         if (prism2_doreset) {
139                 result = hfa384x_corereset(hw,
140                                            prism2_reset_holdtime,
141                                            prism2_reset_settletime, 0);
142                 if (result != 0) {
143                         result = -EIO;
144                         dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
145                         goto failed_reset;
146                 }
147         }
148 
149         usb_get_dev(dev);
150 
151         wlandev->msdstate = WLAN_MSD_HWPRESENT;
152 
153         /* Try and load firmware, then enable card before we register */
154         prism2_fwtry(dev, wlandev);
155         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
156 
157         if (register_wlandev(wlandev) != 0) {
158                 dev_err(&interface->dev, "register_wlandev() failed.\n");
159                 result = -EIO;
160                 goto failed_register;
161         }
162 
163         goto done;
164 
165 failed_register:
166         usb_put_dev(dev);
167 failed_reset:
168         wlan_unsetup(wlandev);
169 failed:
170         kfree(wlandev);
171         kfree(hw);
172         wlandev = NULL;
173 
174 done:
175         usb_set_intfdata(interface, wlandev);
176         return result;
177 }
178 
179 /*----------------------------------------------------------------
180 * prism2sta_disconnect_usb
181 *
182 * Called when a device previously claimed by probe is removed
183 * from the USB.
184 *
185 * Arguments:
186 *       dev             ptr to the usb_device struct
187 *       ptr             ptr returned by probe() when the device
188 *                       was claimed.
189 *
190 * Returns:
191 *       Nothing
192 *
193 * Side effects:
194 *
195 * Call context:
196 *       process
197 ----------------------------------------------------------------*/
198 static void prism2sta_disconnect_usb(struct usb_interface *interface)
199 {
200         wlandevice_t *wlandev;
201 
202         wlandev = (wlandevice_t *) usb_get_intfdata(interface);
203 
204         if (wlandev != NULL) {
205                 LIST_HEAD(cleanlist);
206                 struct list_head *entry;
207                 struct list_head *temp;
208                 unsigned long flags;
209 
210                 hfa384x_t *hw = wlandev->priv;
211 
212                 if (!hw)
213                         goto exit;
214 
215                 spin_lock_irqsave(&hw->ctlxq.lock, flags);
216 
217                 p80211netdev_hwremoved(wlandev);
218                 list_splice_init(&hw->ctlxq.reapable, &cleanlist);
219                 list_splice_init(&hw->ctlxq.completing, &cleanlist);
220                 list_splice_init(&hw->ctlxq.pending, &cleanlist);
221                 list_splice_init(&hw->ctlxq.active, &cleanlist);
222 
223                 spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
224 
225                 /* There's no hardware to shutdown, but the driver
226                  * might have some tasks or tasklets that must be
227                  * stopped before we can tear everything down.
228                  */
229                 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
230 
231                 del_singleshot_timer_sync(&hw->throttle);
232                 del_singleshot_timer_sync(&hw->reqtimer);
233                 del_singleshot_timer_sync(&hw->resptimer);
234 
235                 /* Unlink all the URBs. This "removes the wheels"
236                  * from the entire CTLX handling mechanism.
237                  */
238                 usb_kill_urb(&hw->rx_urb);
239                 usb_kill_urb(&hw->tx_urb);
240                 usb_kill_urb(&hw->ctlx_urb);
241 
242                 tasklet_kill(&hw->completion_bh);
243                 tasklet_kill(&hw->reaper_bh);
244 
245                 flush_scheduled_work();
246 
247                 /* Now we complete any outstanding commands
248                  * and tell everyone who is waiting for their
249                  * responses that we have shut down.
250                  */
251                 list_for_each(entry, &cleanlist) {
252                         hfa384x_usbctlx_t *ctlx;
253 
254                         ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
255                         complete(&ctlx->done);
256                 }
257 
258                 /* Give any outstanding synchronous commands
259                  * a chance to complete. All they need to do
260                  * is "wake up", so that's easy.
261                  * (I'd like a better way to do this, really.)
262                  */
263                 msleep(100);
264 
265                 /* Now delete the CTLXs, because no-one else can now. */
266                 list_for_each_safe(entry, temp, &cleanlist) {
267                         hfa384x_usbctlx_t *ctlx;
268 
269                         ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
270                         kfree(ctlx);
271                 }
272 
273                 /* Unhook the wlandev */
274                 unregister_wlandev(wlandev);
275                 wlan_unsetup(wlandev);
276 
277                 usb_put_dev(hw->usb);
278 
279                 hfa384x_destroy(hw);
280                 kfree(hw);
281 
282                 kfree(wlandev);
283         }
284 
285 exit:
286         usb_set_intfdata(interface, NULL);
287 }
288 
289 #ifdef CONFIG_PM
290 static int prism2sta_suspend(struct usb_interface *interface,
291                                 pm_message_t message)
292 {
293         hfa384x_t *hw = NULL;
294         wlandevice_t *wlandev;
295         wlandev = (wlandevice_t *) usb_get_intfdata(interface);
296         if (!wlandev)
297                 return -ENODEV;
298 
299         hw = wlandev->priv;
300         if (!hw)
301                 return -ENODEV;
302 
303         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
304 
305         usb_kill_urb(&hw->rx_urb);
306         usb_kill_urb(&hw->tx_urb);
307         usb_kill_urb(&hw->ctlx_urb);
308 
309         return 0;
310 }
311 
312 static int prism2sta_resume(struct usb_interface *interface)
313 {
314         int result = 0;
315         hfa384x_t *hw = NULL;
316         wlandevice_t *wlandev;
317         wlandev = (wlandevice_t *) usb_get_intfdata(interface);
318         if (!wlandev)
319                 return -ENODEV;
320 
321         hw = wlandev->priv;
322         if (!hw)
323                 return -ENODEV;
324 
325         /* Do a chip-level reset on the MAC */
326         if (prism2_doreset) {
327                 result = hfa384x_corereset(hw,
328                                            prism2_reset_holdtime,
329                                            prism2_reset_settletime, 0);
330                 if (result != 0) {
331                         unregister_wlandev(wlandev);
332                         hfa384x_destroy(hw);
333                         dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
334                         kfree(wlandev);
335                         kfree(hw);
336                         wlandev = NULL;
337                         return -ENODEV;
338                 }
339         }
340 
341         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
342 
343         return 0;
344 }
345 #else
346 #define prism2sta_suspend NULL
347 #define prism2sta_resume NULL
348 #endif /* CONFIG_PM */
349 
350 static struct usb_driver prism2_usb_driver = {
351         .name = "prism2_usb",
352         .probe = prism2sta_probe_usb,
353         .disconnect = prism2sta_disconnect_usb,
354         .id_table = usb_prism_tbl,
355         .suspend = prism2sta_suspend,
356         .resume = prism2sta_resume,
357         .reset_resume = prism2sta_resume,
358         /* fops, minor? */
359 };
360 
361 module_usb_driver(prism2_usb_driver);
362 

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