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 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 */ 57 }; 58 MODULE_DEVICE_TABLE(usb, usb_prism_tbl); 59 60 static int prism2sta_probe_usb(struct usb_interface *interface, 61 const struct usb_device_id *id) 62 { 63 struct usb_device *dev; 64 struct usb_endpoint_descriptor *bulk_in, *bulk_out; 65 struct usb_host_interface *iface_desc = interface->cur_altsetting; 66 struct wlandevice *wlandev = NULL; 67 struct hfa384x *hw = NULL; 68 int result = 0; 69 70 result = usb_find_common_endpoints(iface_desc, &bulk_in, &bulk_out, NULL, NULL); 71 if (result) 72 goto failed; 73 74 dev = interface_to_usbdev(interface); 75 wlandev = create_wlan(); 76 if (!wlandev) { 77 dev_err(&interface->dev, "Memory allocation failure.\n"); 78 result = -EIO; 79 goto failed; 80 } 81 hw = wlandev->priv; 82 83 if (wlan_setup(wlandev, &interface->dev) != 0) { 84 dev_err(&interface->dev, "wlan_setup() failed.\n"); 85 result = -EIO; 86 goto failed; 87 } 88 89 /* Initialize the hw data */ 90 hw->endp_in = usb_rcvbulkpipe(dev, bulk_in->bEndpointAddress); 91 hw->endp_out = usb_sndbulkpipe(dev, bulk_out->bEndpointAddress); 92 hfa384x_create(hw, dev); 93 hw->wlandev = wlandev; 94 95 /* Register the wlandev, this gets us a name and registers the 96 * linux netdevice. 97 */ 98 SET_NETDEV_DEV(wlandev->netdev, &interface->dev); 99 100 /* Do a chip-level reset on the MAC */ 101 if (prism2_doreset) { 102 result = hfa384x_corereset(hw, 103 prism2_reset_holdtime, 104 prism2_reset_settletime, 0); 105 if (result != 0) { 106 result = -EIO; 107 dev_err(&interface->dev, 108 "hfa384x_corereset() failed.\n"); 109 goto failed_reset; 110 } 111 } 112 113 usb_get_dev(dev); 114 115 wlandev->msdstate = WLAN_MSD_HWPRESENT; 116 117 /* Try and load firmware, then enable card before we register */ 118 prism2_fwtry(dev, wlandev); 119 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable); 120 121 if (register_wlandev(wlandev) != 0) { 122 dev_err(&interface->dev, "register_wlandev() failed.\n"); 123 result = -EIO; 124 goto failed_register; 125 } 126 127 goto done; 128 129 failed_register: 130 usb_put_dev(dev); 131 failed_reset: 132 wlan_unsetup(wlandev); 133 failed: 134 kfree(wlandev); 135 kfree(hw); 136 wlandev = NULL; 137 138 done: 139 usb_set_intfdata(interface, wlandev); 140 return result; 141 } 142 143 static void prism2sta_disconnect_usb(struct usb_interface *interface) 144 { 145 struct wlandevice *wlandev; 146 147 wlandev = usb_get_intfdata(interface); 148 if (wlandev) { 149 LIST_HEAD(cleanlist); 150 struct hfa384x_usbctlx *ctlx, *temp; 151 unsigned long flags; 152 153 struct hfa384x *hw = wlandev->priv; 154 155 if (!hw) 156 goto exit; 157 158 spin_lock_irqsave(&hw->ctlxq.lock, flags); 159 160 p80211netdev_hwremoved(wlandev); 161 list_splice_init(&hw->ctlxq.reapable, &cleanlist); 162 list_splice_init(&hw->ctlxq.completing, &cleanlist); 163 list_splice_init(&hw->ctlxq.pending, &cleanlist); 164 list_splice_init(&hw->ctlxq.active, &cleanlist); 165 166 spin_unlock_irqrestore(&hw->ctlxq.lock, flags); 167 168 /* There's no hardware to shutdown, but the driver 169 * might have some tasks or tasklets that must be 170 * stopped before we can tear everything down. 171 */ 172 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); 173 174 del_singleshot_timer_sync(&hw->throttle); 175 del_singleshot_timer_sync(&hw->reqtimer); 176 del_singleshot_timer_sync(&hw->resptimer); 177 178 /* Unlink all the URBs. This "removes the wheels" 179 * from the entire CTLX handling mechanism. 180 */ 181 usb_kill_urb(&hw->rx_urb); 182 usb_kill_urb(&hw->tx_urb); 183 usb_kill_urb(&hw->ctlx_urb); 184 185 tasklet_kill(&hw->completion_bh); 186 tasklet_kill(&hw->reaper_bh); 187 188 cancel_work_sync(&hw->link_bh); 189 cancel_work_sync(&hw->commsqual_bh); 190 cancel_work_sync(&hw->usb_work); 191 192 /* Now we complete any outstanding commands 193 * and tell everyone who is waiting for their 194 * responses that we have shut down. 195 */ 196 list_for_each_entry(ctlx, &cleanlist, list) 197 complete(&ctlx->done); 198 199 /* Give any outstanding synchronous commands 200 * a chance to complete. All they need to do 201 * is "wake up", so that's easy. 202 * (I'd like a better way to do this, really.) 203 */ 204 msleep(100); 205 206 /* Now delete the CTLXs, because no-one else can now. */ 207 list_for_each_entry_safe(ctlx, temp, &cleanlist, list) 208 kfree(ctlx); 209 210 /* Unhook the wlandev */ 211 unregister_wlandev(wlandev); 212 wlan_unsetup(wlandev); 213 214 usb_put_dev(hw->usb); 215 216 hfa384x_destroy(hw); 217 kfree(hw); 218 219 kfree(wlandev); 220 } 221 222 exit: 223 usb_set_intfdata(interface, NULL); 224 } 225 226 #ifdef CONFIG_PM 227 static int prism2sta_suspend(struct usb_interface *interface, 228 pm_message_t message) 229 { 230 struct hfa384x *hw = NULL; 231 struct wlandevice *wlandev; 232 233 wlandev = usb_get_intfdata(interface); 234 if (!wlandev) 235 return -ENODEV; 236 237 hw = wlandev->priv; 238 if (!hw) 239 return -ENODEV; 240 241 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); 242 243 usb_kill_urb(&hw->rx_urb); 244 usb_kill_urb(&hw->tx_urb); 245 usb_kill_urb(&hw->ctlx_urb); 246 247 return 0; 248 } 249 250 static int prism2sta_resume(struct usb_interface *interface) 251 { 252 int result = 0; 253 struct hfa384x *hw = NULL; 254 struct wlandevice *wlandev; 255 256 wlandev = usb_get_intfdata(interface); 257 if (!wlandev) 258 return -ENODEV; 259 260 hw = wlandev->priv; 261 if (!hw) 262 return -ENODEV; 263 264 /* Do a chip-level reset on the MAC */ 265 if (prism2_doreset) { 266 result = hfa384x_corereset(hw, 267 prism2_reset_holdtime, 268 prism2_reset_settletime, 0); 269 if (result != 0) { 270 unregister_wlandev(wlandev); 271 hfa384x_destroy(hw); 272 dev_err(&interface->dev, "hfa384x_corereset() failed.\n"); 273 kfree(wlandev); 274 kfree(hw); 275 wlandev = NULL; 276 return -ENODEV; 277 } 278 } 279 280 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable); 281 282 return 0; 283 } 284 #else 285 #define prism2sta_suspend NULL 286 #define prism2sta_resume NULL 287 #endif /* CONFIG_PM */ 288 289 static struct usb_driver prism2_usb_driver = { 290 .name = "prism2_usb", 291 .probe = prism2sta_probe_usb, 292 .disconnect = prism2sta_disconnect_usb, 293 .id_table = usb_prism_tbl, 294 .suspend = prism2sta_suspend, 295 .resume = prism2sta_resume, 296 .reset_resume = prism2sta_resume, 297 /* fops, minor? */ 298 }; 299 300 module_usb_driver(prism2_usb_driver); 301