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 const struct usb_endpoint_descriptor *epd; 65 const 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 if (iface_desc->desc.bNumEndpoints != 2) { 71 result = -ENODEV; 72 goto failed; 73 } 74 75 result = -EINVAL; 76 epd = &iface_desc->endpoint[1].desc; 77 if (!usb_endpoint_is_bulk_in(epd)) 78 goto failed; 79 epd = &iface_desc->endpoint[2].desc; 80 if (!usb_endpoint_is_bulk_out(epd)) 81 goto failed; 82 83 dev = interface_to_usbdev(interface); 84 wlandev = create_wlan(); 85 if (!wlandev) { 86 dev_err(&interface->dev, "Memory allocation failure.\n"); 87 result = -EIO; 88 goto failed; 89 } 90 hw = wlandev->priv; 91 92 if (wlan_setup(wlandev, &interface->dev) != 0) { 93 dev_err(&interface->dev, "wlan_setup() failed.\n"); 94 result = -EIO; 95 goto failed; 96 } 97 98 /* Initialize the hw data */ 99 hfa384x_create(hw, dev); 100 hw->wlandev = wlandev; 101 102 /* Register the wlandev, this gets us a name and registers the 103 * linux netdevice. 104 */ 105 SET_NETDEV_DEV(wlandev->netdev, &interface->dev); 106 107 /* Do a chip-level reset on the MAC */ 108 if (prism2_doreset) { 109 result = hfa384x_corereset(hw, 110 prism2_reset_holdtime, 111 prism2_reset_settletime, 0); 112 if (result != 0) { 113 result = -EIO; 114 dev_err(&interface->dev, 115 "hfa384x_corereset() failed.\n"); 116 goto failed_reset; 117 } 118 } 119 120 usb_get_dev(dev); 121 122 wlandev->msdstate = WLAN_MSD_HWPRESENT; 123 124 /* Try and load firmware, then enable card before we register */ 125 prism2_fwtry(dev, wlandev); 126 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable); 127 128 if (register_wlandev(wlandev) != 0) { 129 dev_err(&interface->dev, "register_wlandev() failed.\n"); 130 result = -EIO; 131 goto failed_register; 132 } 133 134 goto done; 135 136 failed_register: 137 usb_put_dev(dev); 138 failed_reset: 139 wlan_unsetup(wlandev); 140 failed: 141 kfree(wlandev); 142 kfree(hw); 143 wlandev = NULL; 144 145 done: 146 usb_set_intfdata(interface, wlandev); 147 return result; 148 } 149 150 static void prism2sta_disconnect_usb(struct usb_interface *interface) 151 { 152 struct wlandevice *wlandev; 153 154 wlandev = usb_get_intfdata(interface); 155 if (wlandev) { 156 LIST_HEAD(cleanlist); 157 struct hfa384x_usbctlx *ctlx, *temp; 158 unsigned long flags; 159 160 struct hfa384x *hw = wlandev->priv; 161 162 if (!hw) 163 goto exit; 164 165 spin_lock_irqsave(&hw->ctlxq.lock, flags); 166 167 p80211netdev_hwremoved(wlandev); 168 list_splice_init(&hw->ctlxq.reapable, &cleanlist); 169 list_splice_init(&hw->ctlxq.completing, &cleanlist); 170 list_splice_init(&hw->ctlxq.pending, &cleanlist); 171 list_splice_init(&hw->ctlxq.active, &cleanlist); 172 173 spin_unlock_irqrestore(&hw->ctlxq.lock, flags); 174 175 /* There's no hardware to shutdown, but the driver 176 * might have some tasks or tasklets that must be 177 * stopped before we can tear everything down. 178 */ 179 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); 180 181 del_singleshot_timer_sync(&hw->throttle); 182 del_singleshot_timer_sync(&hw->reqtimer); 183 del_singleshot_timer_sync(&hw->resptimer); 184 185 /* Unlink all the URBs. This "removes the wheels" 186 * from the entire CTLX handling mechanism. 187 */ 188 usb_kill_urb(&hw->rx_urb); 189 usb_kill_urb(&hw->tx_urb); 190 usb_kill_urb(&hw->ctlx_urb); 191 192 tasklet_kill(&hw->completion_bh); 193 tasklet_kill(&hw->reaper_bh); 194 195 cancel_work_sync(&hw->link_bh); 196 cancel_work_sync(&hw->commsqual_bh); 197 cancel_work_sync(&hw->usb_work); 198 199 /* Now we complete any outstanding commands 200 * and tell everyone who is waiting for their 201 * responses that we have shut down. 202 */ 203 list_for_each_entry(ctlx, &cleanlist, list) 204 complete(&ctlx->done); 205 206 /* Give any outstanding synchronous commands 207 * a chance to complete. All they need to do 208 * is "wake up", so that's easy. 209 * (I'd like a better way to do this, really.) 210 */ 211 msleep(100); 212 213 /* Now delete the CTLXs, because no-one else can now. */ 214 list_for_each_entry_safe(ctlx, temp, &cleanlist, list) 215 kfree(ctlx); 216 217 /* Unhook the wlandev */ 218 unregister_wlandev(wlandev); 219 wlan_unsetup(wlandev); 220 221 usb_put_dev(hw->usb); 222 223 hfa384x_destroy(hw); 224 kfree(hw); 225 226 kfree(wlandev); 227 } 228 229 exit: 230 usb_set_intfdata(interface, NULL); 231 } 232 233 #ifdef CONFIG_PM 234 static int prism2sta_suspend(struct usb_interface *interface, 235 pm_message_t message) 236 { 237 struct hfa384x *hw = NULL; 238 struct wlandevice *wlandev; 239 240 wlandev = usb_get_intfdata(interface); 241 if (!wlandev) 242 return -ENODEV; 243 244 hw = wlandev->priv; 245 if (!hw) 246 return -ENODEV; 247 248 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); 249 250 usb_kill_urb(&hw->rx_urb); 251 usb_kill_urb(&hw->tx_urb); 252 usb_kill_urb(&hw->ctlx_urb); 253 254 return 0; 255 } 256 257 static int prism2sta_resume(struct usb_interface *interface) 258 { 259 int result = 0; 260 struct hfa384x *hw = NULL; 261 struct wlandevice *wlandev; 262 263 wlandev = usb_get_intfdata(interface); 264 if (!wlandev) 265 return -ENODEV; 266 267 hw = wlandev->priv; 268 if (!hw) 269 return -ENODEV; 270 271 /* Do a chip-level reset on the MAC */ 272 if (prism2_doreset) { 273 result = hfa384x_corereset(hw, 274 prism2_reset_holdtime, 275 prism2_reset_settletime, 0); 276 if (result != 0) { 277 unregister_wlandev(wlandev); 278 hfa384x_destroy(hw); 279 dev_err(&interface->dev, "hfa384x_corereset() failed.\n"); 280 kfree(wlandev); 281 kfree(hw); 282 wlandev = NULL; 283 return -ENODEV; 284 } 285 } 286 287 prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable); 288 289 return 0; 290 } 291 #else 292 #define prism2sta_suspend NULL 293 #define prism2sta_resume NULL 294 #endif /* CONFIG_PM */ 295 296 static struct usb_driver prism2_usb_driver = { 297 .name = "prism2_usb", 298 .probe = prism2sta_probe_usb, 299 .disconnect = prism2sta_disconnect_usb, 300 .id_table = usb_prism_tbl, 301 .suspend = prism2sta_suspend, 302 .resume = prism2sta_resume, 303 .reset_resume = prism2sta_resume, 304 /* fops, minor? */ 305 }; 306 307 module_usb_driver(prism2_usb_driver); 308