PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / staging / wlan-ng / prism2usb.c
blob4739c14d83593f96bdd845b6fc8c0f84f13d2604
1 #include "hfa384x_usb.c"
2 #include "prism2mgmt.c"
3 #include "prism2mib.c"
4 #include "prism2sta.c"
5 #include "prism2fw.c"
7 #define PRISM_USB_DEVICE(vid, pid, name) \
8 USB_DEVICE(vid, pid), \
9 .driver_info = (unsigned long) name
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 */ }
81 MODULE_DEVICE_TABLE(usb, usb_prism_tbl);
83 /*----------------------------------------------------------------
84 * prism2sta_probe_usb
86 * Probe routine called by the USB subsystem.
88 * Arguments:
89 * dev ptr to the usb_device struct
90 * ifnum interface number being offered
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.
98 * Side effects:
100 * Call context:
101 * I'm not sure, assume it's interrupt.
103 ----------------------------------------------------------------*/
104 static int prism2sta_probe_usb(struct usb_interface *interface,
105 const struct usb_device_id *id)
107 struct usb_device *dev;
109 wlandevice_t *wlandev = NULL;
110 hfa384x_t *hw = NULL;
111 int result = 0;
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;
120 hw = wlandev->priv;
122 if (wlan_setup(wlandev, &(interface->dev)) != 0) {
123 dev_err(&interface->dev, "wlan_setup() failed.\n");
124 result = -EIO;
125 goto failed;
128 /* Initialize the hw data */
129 hfa384x_create(hw, dev);
130 hw->wlandev = wlandev;
132 /* Register the wlandev, this gets us a name and registers the
133 * linux netdevice.
135 SET_NETDEV_DEV(wlandev->netdev, &(interface->dev));
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;
149 usb_get_dev(dev);
151 wlandev->msdstate = WLAN_MSD_HWPRESENT;
153 /* Try and load firmware, then enable card before we register */
154 prism2_fwtry(dev, wlandev);
155 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
157 if (register_wlandev(wlandev) != 0) {
158 dev_err(&interface->dev, "register_wlandev() failed.\n");
159 result = -EIO;
160 goto failed_register;
163 goto done;
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;
174 done:
175 usb_set_intfdata(interface, wlandev);
176 return result;
179 /*----------------------------------------------------------------
180 * prism2sta_disconnect_usb
182 * Called when a device previously claimed by probe is removed
183 * from the USB.
185 * Arguments:
186 * dev ptr to the usb_device struct
187 * ptr ptr returned by probe() when the device
188 * was claimed.
190 * Returns:
191 * Nothing
193 * Side effects:
195 * Call context:
196 * process
197 ----------------------------------------------------------------*/
198 static void prism2sta_disconnect_usb(struct usb_interface *interface)
200 wlandevice_t *wlandev;
202 wlandev = (wlandevice_t *) usb_get_intfdata(interface);
204 if (wlandev != NULL) {
205 LIST_HEAD(cleanlist);
206 struct list_head *entry;
207 struct list_head *temp;
208 unsigned long flags;
210 hfa384x_t *hw = wlandev->priv;
212 if (!hw)
213 goto exit;
215 spin_lock_irqsave(&hw->ctlxq.lock, flags);
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);
223 spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
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.
229 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
231 del_singleshot_timer_sync(&hw->throttle);
232 del_singleshot_timer_sync(&hw->reqtimer);
233 del_singleshot_timer_sync(&hw->resptimer);
235 /* Unlink all the URBs. This "removes the wheels"
236 * from the entire CTLX handling mechanism.
238 usb_kill_urb(&hw->rx_urb);
239 usb_kill_urb(&hw->tx_urb);
240 usb_kill_urb(&hw->ctlx_urb);
242 tasklet_kill(&hw->completion_bh);
243 tasklet_kill(&hw->reaper_bh);
245 flush_scheduled_work();
247 /* Now we complete any outstanding commands
248 * and tell everyone who is waiting for their
249 * responses that we have shut down.
251 list_for_each(entry, &cleanlist) {
252 hfa384x_usbctlx_t *ctlx;
254 ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
255 complete(&ctlx->done);
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.)
263 msleep(100);
265 /* Now delete the CTLXs, because no-one else can now. */
266 list_for_each_safe(entry, temp, &cleanlist) {
267 hfa384x_usbctlx_t *ctlx;
269 ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
270 kfree(ctlx);
273 /* Unhook the wlandev */
274 unregister_wlandev(wlandev);
275 wlan_unsetup(wlandev);
277 usb_put_dev(hw->usb);
279 hfa384x_destroy(hw);
280 kfree(hw);
282 kfree(wlandev);
285 exit:
286 usb_set_intfdata(interface, NULL);
289 #ifdef CONFIG_PM
290 static int prism2sta_suspend(struct usb_interface *interface,
291 pm_message_t message)
293 hfa384x_t *hw = NULL;
294 wlandevice_t *wlandev;
295 wlandev = (wlandevice_t *) usb_get_intfdata(interface);
296 if (!wlandev)
297 return -ENODEV;
299 hw = wlandev->priv;
300 if (!hw)
301 return -ENODEV;
303 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
305 usb_kill_urb(&hw->rx_urb);
306 usb_kill_urb(&hw->tx_urb);
307 usb_kill_urb(&hw->ctlx_urb);
309 return 0;
312 static int prism2sta_resume(struct usb_interface *interface)
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;
321 hw = wlandev->priv;
322 if (!hw)
323 return -ENODEV;
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;
341 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
343 return 0;
345 #else
346 #define prism2sta_suspend NULL
347 #define prism2sta_resume NULL
348 #endif /* CONFIG_PM */
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? */
361 module_usb_driver(prism2_usb_driver);