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 / Hawking HighDB 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(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 = 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 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 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 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 } 248 249 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