GNU Linux-libre 4.9.309-gnu1
[releases.git] / 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 const 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         struct usb_endpoint_descriptor *bulk_in, *bulk_out;
64         struct usb_host_interface *iface_desc = interface->cur_altsetting;
65         struct wlandevice *wlandev = NULL;
66         struct hfa384x *hw = NULL;
67         int result = 0;
68
69         result = usb_find_common_endpoints(iface_desc, &bulk_in, &bulk_out, NULL, NULL);
70         if (result)
71                 goto failed;
72
73         dev = interface_to_usbdev(interface);
74         wlandev = create_wlan();
75         if (!wlandev) {
76                 dev_err(&interface->dev, "Memory allocation failure.\n");
77                 result = -EIO;
78                 goto failed;
79         }
80         hw = wlandev->priv;
81
82         if (wlan_setup(wlandev, &interface->dev) != 0) {
83                 dev_err(&interface->dev, "wlan_setup() failed.\n");
84                 result = -EIO;
85                 goto failed;
86         }
87
88         /* Initialize the hw data */
89         hw->endp_in = usb_rcvbulkpipe(dev, bulk_in->bEndpointAddress);
90         hw->endp_out = usb_sndbulkpipe(dev, bulk_out->bEndpointAddress);
91         hfa384x_create(hw, dev);
92         hw->wlandev = wlandev;
93
94         /* Register the wlandev, this gets us a name and registers the
95          * linux netdevice.
96          */
97         SET_NETDEV_DEV(wlandev->netdev, &interface->dev);
98
99         /* Do a chip-level reset on the MAC */
100         if (prism2_doreset) {
101                 result = hfa384x_corereset(hw,
102                                            prism2_reset_holdtime,
103                                            prism2_reset_settletime, 0);
104                 if (result != 0) {
105                         result = -EIO;
106                         dev_err(&interface->dev,
107                                 "hfa384x_corereset() failed.\n");
108                         goto failed_reset;
109                 }
110         }
111
112         usb_get_dev(dev);
113
114         wlandev->msdstate = WLAN_MSD_HWPRESENT;
115
116         /* Try and load firmware, then enable card before we register */
117         prism2_fwtry(dev, wlandev);
118         prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
119
120         if (register_wlandev(wlandev) != 0) {
121                 dev_err(&interface->dev, "register_wlandev() failed.\n");
122                 result = -EIO;
123                 goto failed_register;
124         }
125
126         goto done;
127
128 failed_register:
129         usb_put_dev(dev);
130 failed_reset:
131         wlan_unsetup(wlandev);
132 failed:
133         kfree(wlandev);
134         kfree(hw);
135         wlandev = NULL;
136
137 done:
138         usb_set_intfdata(interface, wlandev);
139         return result;
140 }
141
142 static void prism2sta_disconnect_usb(struct usb_interface *interface)
143 {
144         struct wlandevice *wlandev;
145
146         wlandev = (struct wlandevice *)usb_get_intfdata(interface);
147         if (wlandev) {
148                 LIST_HEAD(cleanlist);
149                 struct hfa384x_usbctlx *ctlx, *temp;
150                 unsigned long flags;
151
152                 struct hfa384x *hw = wlandev->priv;
153
154                 if (!hw)
155                         goto exit;
156
157                 spin_lock_irqsave(&hw->ctlxq.lock, flags);
158
159                 p80211netdev_hwremoved(wlandev);
160                 list_splice_init(&hw->ctlxq.reapable, &cleanlist);
161                 list_splice_init(&hw->ctlxq.completing, &cleanlist);
162                 list_splice_init(&hw->ctlxq.pending, &cleanlist);
163                 list_splice_init(&hw->ctlxq.active, &cleanlist);
164
165                 spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
166
167                 /* There's no hardware to shutdown, but the driver
168                  * might have some tasks or tasklets that must be
169                  * stopped before we can tear everything down.
170                  */
171                 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
172
173                 del_singleshot_timer_sync(&hw->throttle);
174                 del_singleshot_timer_sync(&hw->reqtimer);
175                 del_singleshot_timer_sync(&hw->resptimer);
176
177                 /* Unlink all the URBs. This "removes the wheels"
178                  * from the entire CTLX handling mechanism.
179                  */
180                 usb_kill_urb(&hw->rx_urb);
181                 usb_kill_urb(&hw->tx_urb);
182                 usb_kill_urb(&hw->ctlx_urb);
183
184                 tasklet_kill(&hw->completion_bh);
185                 tasklet_kill(&hw->reaper_bh);
186
187                 cancel_work_sync(&hw->link_bh);
188                 cancel_work_sync(&hw->commsqual_bh);
189                 cancel_work_sync(&hw->usb_work);
190
191                 /* Now we complete any outstanding commands
192                  * and tell everyone who is waiting for their
193                  * responses that we have shut down.
194                  */
195                 list_for_each_entry(ctlx, &cleanlist, list)
196                         complete(&ctlx->done);
197
198                 /* Give any outstanding synchronous commands
199                  * a chance to complete. All they need to do
200                  * is "wake up", so that's easy.
201                  * (I'd like a better way to do this, really.)
202                  */
203                 msleep(100);
204
205                 /* Now delete the CTLXs, because no-one else can now. */
206                 list_for_each_entry_safe(ctlx, temp, &cleanlist, list)
207                         kfree(ctlx);
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         struct hfa384x *hw = NULL;
230         struct wlandevice *wlandev;
231
232         wlandev = (struct wlandevice *)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         struct hfa384x *hw = NULL;
253         struct wlandevice *wlandev;
254
255         wlandev = (struct wlandevice *)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);