gpio: rcar: Fix runtime PM imbalance on error
[linux/fpc-iii.git] / drivers / staging / wlan-ng / prism2usb.c
blob4689b2170e4fa3d01de25c695c1ae5980e6f8d92
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"
8 #define PRISM_DEV(vid, pid, name) \
9 { USB_DEVICE(vid, pid), \
10 .driver_info = (unsigned long)name }
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 Wireless LAN USB Stick-11"),
15 PRISM_DEV(0x09aa, 0x3642, "Prism2.x 11Mbps WLAN USB Adapter"),
16 PRISM_DEV(0x1668, 0x0408, "Actiontec Prism2.5 11Mbps WLAN USB Adapter"),
17 PRISM_DEV(0x1668, 0x0421, "Actiontec Prism2.5 11Mbps WLAN USB Adapter"),
18 PRISM_DEV(0x1915, 0x2236, "Linksys WUSB11v3.0 11Mbps WLAN USB Adapter"),
19 PRISM_DEV(0x066b, 0x2212, "Linksys WUSB11v2.5 11Mbps WLAN USB Adapter"),
20 PRISM_DEV(0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps WLAN USB Adapter"),
21 PRISM_DEV(0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter"),
22 PRISM_DEV(0x08de, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter"),
23 PRISM_DEV(0x8086, 0x1111, "Intel PRO/Wireless 2011B LAN USB Adapter"),
24 PRISM_DEV(0x0d8e, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter"),
25 PRISM_DEV(0x045e, 0x006e, "Microsoft MN510 Wireless USB 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 Wireless 802.11b USB Adapter"),
29 PRISM_DEV(0x413c, 0x8100, "Dell TrueMobile 1180 Wireless USB Adapter"),
30 PRISM_DEV(0x0b3b, 0x1601, "ALLNET 0193 11Mbps WLAN USB Adapter"),
31 PRISM_DEV(0x0b3b, 0x1602, "ZyXEL ZyAIR B200 Wireless USB Adapter"),
32 PRISM_DEV(0x0baf, 0x00eb, "USRobotics USR1120 Wireless USB 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 Wireless USB Adapter"),
38 PRISM_DEV(0x2001, 0x3700, "DWL-122 Wireless USB Adapter"),
39 PRISM_DEV(0x2001, 0x3702, "DWL-120 Rev F Wireless USB Adapter"),
40 PRISM_DEV(0x50c2, 0x4013, "Averatec USB WLAN Adapter"),
41 PRISM_DEV(0x2c02, 0x14ea, "Planex GW-US11H WLAN USB Adapter"),
42 PRISM_DEV(0x124a, 0x168b, "Airvast PRISM3 WLAN USB Adapter"),
43 PRISM_DEV(0x083a, 0x3503, "T-Sinus 111 USB WLAN Adapter"),
44 PRISM_DEV(0x2821, 0x3300, "Hawking HighDB USB Adapter"),
45 PRISM_DEV(0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter"),
46 PRISM_DEV(0x1668, 0x6106, "ROPEX FreeLan 802.11b USB Adapter"),
47 PRISM_DEV(0x124a, 0x4017, "Pheenet WL-503IA 802.11b USB Adapter"),
48 PRISM_DEV(0x0bb2, 0x0302, "Ambit Microsystems Corp."),
49 PRISM_DEV(0x9016, 0x182d, "Sitecom WL-022 802.11b USB Adapter"),
50 PRISM_DEV(0x0543, 0x0f01,
51 "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)"),
52 PRISM_DEV(0x067c, 0x1022,
53 "Siemens SpeedStream 1022 11Mbps WLAN USB Adapter"),
54 PRISM_DEV(0x049f, 0x0033,
55 "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter"),
56 { } /* terminator */
58 MODULE_DEVICE_TABLE(usb, usb_prism_tbl);
60 static int prism2sta_probe_usb(struct usb_interface *interface,
61 const struct usb_device_id *id)
63 struct usb_device *dev;
65 struct wlandevice *wlandev = NULL;
66 struct hfa384x *hw = NULL;
67 int result = 0;
69 dev = interface_to_usbdev(interface);
70 wlandev = create_wlan();
71 if (!wlandev) {
72 dev_err(&interface->dev, "Memory allocation failure.\n");
73 result = -EIO;
74 goto failed;
76 hw = wlandev->priv;
78 if (wlan_setup(wlandev, &interface->dev) != 0) {
79 dev_err(&interface->dev, "wlan_setup() failed.\n");
80 result = -EIO;
81 goto failed;
84 /* Initialize the hw data */
85 hfa384x_create(hw, dev);
86 hw->wlandev = wlandev;
88 /* Register the wlandev, this gets us a name and registers the
89 * linux netdevice.
91 SET_NETDEV_DEV(wlandev->netdev, &interface->dev);
93 /* Do a chip-level reset on the MAC */
94 if (prism2_doreset) {
95 result = hfa384x_corereset(hw,
96 prism2_reset_holdtime,
97 prism2_reset_settletime, 0);
98 if (result != 0) {
99 result = -EIO;
100 dev_err(&interface->dev,
101 "hfa384x_corereset() failed.\n");
102 goto failed_reset;
106 usb_get_dev(dev);
108 wlandev->msdstate = WLAN_MSD_HWPRESENT;
110 /* Try and load firmware, then enable card before we register */
111 prism2_fwtry(dev, wlandev);
112 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
114 if (register_wlandev(wlandev) != 0) {
115 dev_err(&interface->dev, "register_wlandev() failed.\n");
116 result = -EIO;
117 goto failed_register;
120 goto done;
122 failed_register:
123 usb_put_dev(dev);
124 failed_reset:
125 wlan_unsetup(wlandev);
126 failed:
127 kfree(wlandev);
128 kfree(hw);
129 wlandev = NULL;
131 done:
132 usb_set_intfdata(interface, wlandev);
133 return result;
136 static void prism2sta_disconnect_usb(struct usb_interface *interface)
138 struct wlandevice *wlandev;
140 wlandev = usb_get_intfdata(interface);
141 if (wlandev) {
142 LIST_HEAD(cleanlist);
143 struct hfa384x_usbctlx *ctlx, *temp;
144 unsigned long flags;
146 struct hfa384x *hw = wlandev->priv;
148 if (!hw)
149 goto exit;
151 spin_lock_irqsave(&hw->ctlxq.lock, flags);
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);
159 spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
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.
165 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
167 del_singleshot_timer_sync(&hw->throttle);
168 del_singleshot_timer_sync(&hw->reqtimer);
169 del_singleshot_timer_sync(&hw->resptimer);
171 /* Unlink all the URBs. This "removes the wheels"
172 * from the entire CTLX handling mechanism.
174 usb_kill_urb(&hw->rx_urb);
175 usb_kill_urb(&hw->tx_urb);
176 usb_kill_urb(&hw->ctlx_urb);
178 tasklet_kill(&hw->completion_bh);
179 tasklet_kill(&hw->reaper_bh);
181 cancel_work_sync(&hw->link_bh);
182 cancel_work_sync(&hw->commsqual_bh);
183 cancel_work_sync(&hw->usb_work);
185 /* Now we complete any outstanding commands
186 * and tell everyone who is waiting for their
187 * responses that we have shut down.
189 list_for_each_entry(ctlx, &cleanlist, list)
190 complete(&ctlx->done);
192 /* Give any outstanding synchronous commands
193 * a chance to complete. All they need to do
194 * is "wake up", so that's easy.
195 * (I'd like a better way to do this, really.)
197 msleep(100);
199 /* Now delete the CTLXs, because no-one else can now. */
200 list_for_each_entry_safe(ctlx, temp, &cleanlist, list)
201 kfree(ctlx);
203 /* Unhook the wlandev */
204 unregister_wlandev(wlandev);
205 wlan_unsetup(wlandev);
207 usb_put_dev(hw->usb);
209 hfa384x_destroy(hw);
210 kfree(hw);
212 kfree(wlandev);
215 exit:
216 usb_set_intfdata(interface, NULL);
219 #ifdef CONFIG_PM
220 static int prism2sta_suspend(struct usb_interface *interface,
221 pm_message_t message)
223 struct hfa384x *hw = NULL;
224 struct wlandevice *wlandev;
226 wlandev = usb_get_intfdata(interface);
227 if (!wlandev)
228 return -ENODEV;
230 hw = wlandev->priv;
231 if (!hw)
232 return -ENODEV;
234 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
236 usb_kill_urb(&hw->rx_urb);
237 usb_kill_urb(&hw->tx_urb);
238 usb_kill_urb(&hw->ctlx_urb);
240 return 0;
243 static int prism2sta_resume(struct usb_interface *interface)
245 int result = 0;
246 struct hfa384x *hw = NULL;
247 struct wlandevice *wlandev;
249 wlandev = usb_get_intfdata(interface);
250 if (!wlandev)
251 return -ENODEV;
253 hw = wlandev->priv;
254 if (!hw)
255 return -ENODEV;
257 /* Do a chip-level reset on the MAC */
258 if (prism2_doreset) {
259 result = hfa384x_corereset(hw,
260 prism2_reset_holdtime,
261 prism2_reset_settletime, 0);
262 if (result != 0) {
263 unregister_wlandev(wlandev);
264 hfa384x_destroy(hw);
265 dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
266 kfree(wlandev);
267 kfree(hw);
268 wlandev = NULL;
269 return -ENODEV;
273 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
275 return 0;
277 #else
278 #define prism2sta_suspend NULL
279 #define prism2sta_resume NULL
280 #endif /* CONFIG_PM */
282 static struct usb_driver prism2_usb_driver = {
283 .name = "prism2_usb",
284 .probe = prism2sta_probe_usb,
285 .disconnect = prism2sta_disconnect_usb,
286 .id_table = usb_prism_tbl,
287 .suspend = prism2sta_suspend,
288 .resume = prism2sta_resume,
289 .reset_resume = prism2sta_resume,
290 /* fops, minor? */
293 module_usb_driver(prism2_usb_driver);