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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_DEV(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_DEV(0x04bb, 0x0922, "IOData AirPort WN-B11/USBS"),
 13         PRISM_DEV(0x07aa, 0x0012, "Corega Wireless LAN USB Stick-11"),
 14         PRISM_DEV(0x09aa, 0x3642, "Prism2.x 11Mbps WLAN USB Adapter"),
 15         PRISM_DEV(0x1668, 0x0408, "Actiontec Prism2.5 11Mbps WLAN USB Adapter"),
 16         PRISM_DEV(0x1668, 0x0421, "Actiontec Prism2.5 11Mbps WLAN USB Adapter"),
 17         PRISM_DEV(0x1915, 0x2236, "Linksys WUSB11v3.0 11Mbps WLAN USB Adapter"),
 18         PRISM_DEV(0x066b, 0x2212, "Linksys WUSB11v2.5 11Mbps WLAN USB Adapter"),
 19         PRISM_DEV(0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps WLAN USB Adapter"),
 20         PRISM_DEV(0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter"),
 21         PRISM_DEV(0x08de, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter"),
 22         PRISM_DEV(0x8086, 0x1111, "Intel PRO/Wireless 2011B LAN USB Adapter"),
 23         PRISM_DEV(0x0d8e, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter"),
 24         PRISM_DEV(0x045e, 0x006e, "Microsoft MN510 Wireless USB Adapter"),
 25         PRISM_DEV(0x0967, 0x0204, "Acer Warplink USB Adapter"),
 26         PRISM_DEV(0x0cde, 0x0002, "Z-Com 725/726 Prism2.5 USB/USB Integrated"),
 27         PRISM_DEV(0x0cde, 0x0005, "Z-Com Xl735 Wireless 802.11b USB Adapter"),
 28         PRISM_DEV(0x413c, 0x8100, "Dell TrueMobile 1180 Wireless USB Adapter"),
 29         PRISM_DEV(0x0b3b, 0x1601, "ALLNET 0193 11Mbps WLAN USB Adapter"),
 30         PRISM_DEV(0x0b3b, 0x1602, "ZyXEL ZyAIR B200 Wireless USB Adapter"),
 31         PRISM_DEV(0x0baf, 0x00eb, "USRobotics USR1120 Wireless USB Adapter"),
 32         PRISM_DEV(0x0411, 0x0027, "Melco WLI-USB-KS11G 11Mbps WLAN Adapter"),
 33         PRISM_DEV(0x04f1, 0x3009, "JVC MP-XP7250 Builtin USB WLAN Adapter"),
 34         PRISM_DEV(0x0846, 0x4110, "NetGear MA111"),
 35         PRISM_DEV(0x03f3, 0x0020, "Adaptec AWN-8020 USB WLAN Adapter"),
 36         PRISM_DEV(0x2821, 0x3300, "ASUS-WL140 Wireless USB Adapter"),
 37         PRISM_DEV(0x2001, 0x3700, "DWL-122 Wireless USB Adapter"),
 38         PRISM_DEV(0x2001, 0x3702, "DWL-120 Rev F Wireless USB Adapter"),
 39         PRISM_DEV(0x50c2, 0x4013, "Averatec USB WLAN Adapter"),
 40         PRISM_DEV(0x2c02, 0x14ea, "Planex GW-US11H WLAN USB Adapter"),
 41         PRISM_DEV(0x124a, 0x168b, "Airvast PRISM3 WLAN USB Adapter"),
 42         PRISM_DEV(0x083a, 0x3503, "T-Sinus 111 USB WLAN Adapter"),
 43         PRISM_DEV(0x2821, 0x3300, "Hawking HighDB USB Adapter"),
 44         PRISM_DEV(0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter"),
 45         PRISM_DEV(0x1668, 0x6106, "ROPEX FreeLan 802.11b USB Adapter"),
 46         PRISM_DEV(0x124a, 0x4017, "Pheenet WL-503IA 802.11b USB Adapter"),
 47         PRISM_DEV(0x0bb2, 0x0302, "Ambit Microsystems Corp."),
 48         PRISM_DEV(0x9016, 0x182d, "Sitecom WL-022 802.11b USB Adapter"),
 49         PRISM_DEV(0x0543, 0x0f01,
 50                 "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)"),
 51         PRISM_DEV(0x067c, 0x1022,
 52                 "Siemens SpeedStream 1022 11Mbps WLAN USB Adapter"),
 53         PRISM_DEV(0x049f, 0x0033,
 54                 "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter"),
 55         { } /* terminator */
 56 };
 57 MODULE_DEVICE_TABLE(usb, usb_prism_tbl);
 58 
 59 static int prism2sta_probe_usb(struct usb_interface *interface,
 60                                const struct usb_device_id *id)
 61 {
 62         struct usb_device *dev;
 63 
 64         wlandevice_t *wlandev = NULL;
 65         hfa384x_t *hw = NULL;
 66         int result = 0;
 67 
 68         dev = interface_to_usbdev(interface);
 69         wlandev = create_wlan();
 70         if (wlandev == NULL) {
 71                 dev_err(&interface->dev, "Memory allocation failure.\n");
 72                 result = -EIO;
 73                 goto failed;
 74         }
 75         hw = wlandev->priv;
 76 
 77         if (wlan_setup(wlandev, &(interface->dev)) != 0) {
 78                 dev_err(&interface->dev, "wlan_setup() failed.\n");
 79                 result = -EIO;
 80                 goto failed;
 81         }
 82 
 83         /* Initialize the hw data */
 84         hfa384x_create(hw, dev);
 85         hw->wlandev = wlandev;
 86 
 87         /* Register the wlandev, this gets us a name and registers the
 88          * linux netdevice.
 89          */
 90         SET_NETDEV_DEV(wlandev->netdev, &(interface->dev));
 91 
 92         /* Do a chip-level reset on the MAC */
 93         if (prism2_doreset) {
 94                 result = hfa384x_corereset(hw,
 95                                            prism2_reset_holdtime,
 96                                            prism2_reset_settletime, 0);
 97                 if (result != 0) {
 98                         result = -EIO;
 99                         dev_err(&interface->dev,
100                                 "hfa384x_corereset() failed.\n");
101                         goto failed_reset;
102                 }
103         }
104 
105         usb_get_dev(dev);
106 
107         wlandev->msdstate = WLAN_MSD_HWPRESENT;
108 
109         /* Try and load firmware, then enable card before we register */
110         prism2_fwtry(dev, wlandev);
111         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
112 
113         if (register_wlandev(wlandev) != 0) {
114                 dev_err(&interface->dev, "register_wlandev() failed.\n");
115                 result = -EIO;
116                 goto failed_register;
117         }
118 
119         goto done;
120 
121 failed_register:
122         usb_put_dev(dev);
123 failed_reset:
124         wlan_unsetup(wlandev);
125 failed:
126         kfree(wlandev);
127         kfree(hw);
128         wlandev = NULL;
129 
130 done:
131         usb_set_intfdata(interface, wlandev);
132         return result;
133 }
134 
135 static void prism2sta_disconnect_usb(struct usb_interface *interface)
136 {
137         wlandevice_t *wlandev;
138 
139         wlandev = (wlandevice_t *) usb_get_intfdata(interface);
140         if (wlandev != NULL) {
141                 LIST_HEAD(cleanlist);
142                 struct list_head *entry;
143                 struct list_head *temp;
144                 unsigned long flags;
145 
146                 hfa384x_t *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                 flush_scheduled_work();
182 
183                 /* Now we complete any outstanding commands
184                  * and tell everyone who is waiting for their
185                  * responses that we have shut down.
186                  */
187                 list_for_each(entry, &cleanlist) {
188                         hfa384x_usbctlx_t *ctlx;
189 
190                         ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
191                         complete(&ctlx->done);
192                 }
193 
194                 /* Give any outstanding synchronous commands
195                  * a chance to complete. All they need to do
196                  * is "wake up", so that's easy.
197                  * (I'd like a better way to do this, really.)
198                  */
199                 msleep(100);
200 
201                 /* Now delete the CTLXs, because no-one else can now. */
202                 list_for_each_safe(entry, temp, &cleanlist) {
203                         hfa384x_usbctlx_t *ctlx;
204 
205                         ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
206                         kfree(ctlx);
207                 }
208 
209                 /* Unhook the wlandev */
210                 unregister_wlandev(wlandev);
211                 wlan_unsetup(wlandev);
212 
213                 usb_put_dev(hw->usb);
214 
215                 hfa384x_destroy(hw);
216                 kfree(hw);
217 
218                 kfree(wlandev);
219         }
220 
221 exit:
222         usb_set_intfdata(interface, NULL);
223 }
224 
225 #ifdef CONFIG_PM
226 static int prism2sta_suspend(struct usb_interface *interface,
227                                 pm_message_t message)
228 {
229         hfa384x_t *hw = NULL;
230         wlandevice_t *wlandev;
231 
232         wlandev = (wlandevice_t *) usb_get_intfdata(interface);
233         if (!wlandev)
234                 return -ENODEV;
235 
236         hw = wlandev->priv;
237         if (!hw)
238                 return -ENODEV;
239 
240         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
241 
242         usb_kill_urb(&hw->rx_urb);
243         usb_kill_urb(&hw->tx_urb);
244         usb_kill_urb(&hw->ctlx_urb);
245 
246         return 0;
247 }
248 
249 static int prism2sta_resume(struct usb_interface *interface)
250 {
251         int result = 0;
252         hfa384x_t *hw = NULL;
253         wlandevice_t *wlandev;
254 
255         wlandev = (wlandevice_t *) usb_get_intfdata(interface);
256         if (!wlandev)
257                 return -ENODEV;
258 
259         hw = wlandev->priv;
260         if (!hw)
261                 return -ENODEV;
262 
263         /* Do a chip-level reset on the MAC */
264         if (prism2_doreset) {
265                 result = hfa384x_corereset(hw,
266                                            prism2_reset_holdtime,
267                                            prism2_reset_settletime, 0);
268                 if (result != 0) {
269                         unregister_wlandev(wlandev);
270                         hfa384x_destroy(hw);
271                         dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
272                         kfree(wlandev);
273                         kfree(hw);
274                         wlandev = NULL;
275                         return -ENODEV;
276                 }
277         }
278 
279         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
280 
281         return 0;
282 }
283 #else
284 #define prism2sta_suspend NULL
285 #define prism2sta_resume NULL
286 #endif /* CONFIG_PM */
287 
288 static struct usb_driver prism2_usb_driver = {
289         .name = "prism2_usb",
290         .probe = prism2sta_probe_usb,
291         .disconnect = prism2sta_disconnect_usb,
292         .id_table = usb_prism_tbl,
293         .suspend = prism2sta_suspend,
294         .resume = prism2sta_resume,
295         .reset_resume = prism2sta_resume,
296         /* fops, minor? */
297 };
298 
299 module_usb_driver(prism2_usb_driver);
300 

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