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 USB Wireless LAN Stick-11"),
15 PRISM_DEV(0x09aa, 0x3642, "Prism2.x 11Mbps USB WLAN Adapter"),
16 PRISM_DEV(0x1668, 0x0408, "Actiontec Prism2.5 11Mbps USB WLAN Adapter"),
17 PRISM_DEV(0x1668, 0x0421, "Actiontec Prism2.5 11Mbps USB WLAN Adapter"),
18 PRISM_DEV(0x1915, 0x2236, "Linksys WUSB11v3.0 11Mbps USB WLAN Adapter"),
19 PRISM_DEV(0x066b, 0x2212, "Linksys WUSB11v2.5 11Mbps USB WLAN Adapter"),
20 PRISM_DEV(0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps USB WLAN Adapter"),
21 PRISM_DEV(0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter"),
22 PRISM_DEV(0x08de, 0x7a01, "PRISM25 USB IEEE 802.11 Mini Adapter"),
23 PRISM_DEV(0x8086, 0x1111, "Intel PRO/Wireless 2011B USB LAN Adapter"),
24 PRISM_DEV(0x0d8e, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter"),
25 PRISM_DEV(0x045e, 0x006e, "Microsoft MN510 USB Wireless 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 USB Wireless 802.11b Adapter"),
29 PRISM_DEV(0x413c, 0x8100, "Dell TrueMobile 1180 USB Wireless Adapter"),
30 PRISM_DEV(0x0b3b, 0x1601, "ALLNET 0193 11Mbps USB WLAN Adapter"),
31 PRISM_DEV(0x0b3b, 0x1602, "ZyXEL ZyAIR B200 USB Wireless Adapter"),
32 PRISM_DEV(0x0baf, 0x00eb, "USRobotics USR1120 USB Wireless 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 / Hawking HighDB USB Wireless Adapter"),
38 PRISM_DEV(0x2001, 0x3700, "DWL-122 USB Wireless Adapter"),
39 PRISM_DEV(0x2001, 0x3702, "DWL-120 Rev F USB Wireless Adapter"),
40 PRISM_DEV(0x50c2, 0x4013, "Averatec USB WLAN Adapter"),
41 PRISM_DEV(0x2c02, 0x14ea, "Planex GW-US11H USB WLAN Adapter"),
42 PRISM_DEV(0x124a, 0x168b, "Airvast PRISM3 USB WLAN Adapter"),
43 PRISM_DEV(0x083a, 0x3503, "T-Sinus 111 USB WLAN Adapter"),
44 PRISM_DEV(0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter"),
45 PRISM_DEV(0x1668, 0x6106, "ROPEX FreeLan USB 802.11b Adapter"),
46 PRISM_DEV(0x124a, 0x4017, "Pheenet WL-503IA USB 802.11b Adapter"),
47 PRISM_DEV(0x0bb2, 0x0302, "Ambit Microsystems Corp."),
48 PRISM_DEV(0x9016, 0x182d, "Sitecom WL-022 USB 802.11b Adapter"),
49 PRISM_DEV(0x0543, 0x0f01,
50 "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)"),
51 PRISM_DEV(0x067c, 0x1022,
52 "Siemens SpeedStream 1022 11Mbps USB WLAN 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
prism2sta_probe_usb(struct usb_interface * interface,const struct usb_device_id * id)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
prism2sta_disconnect_usb(struct usb_interface * interface)142 static void prism2sta_disconnect_usb(struct usb_interface *interface)
143 {
144 struct wlandevice *wlandev;
145
146 wlandev = 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 that must be stopped before
169 * we can tear everything down.
170 */
171 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
172
173 timer_shutdown_sync(&hw->throttle);
174 timer_shutdown_sync(&hw->reqtimer);
175 timer_shutdown_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 cancel_work_sync(&hw->completion_bh);
185 cancel_work_sync(&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
prism2sta_suspend(struct usb_interface * interface,pm_message_t message)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 = 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
prism2sta_resume(struct usb_interface * interface)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 = 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
