drivers/staging/rt2860/usb_main_dev.c

   1 /*
   2  *************************************************************************
   3  * Ralink Tech Inc.
   4  * 5F., No.36, Taiyuan St., Jhubei City,
   5  * Hsinchu County 302,
   6  * Taiwan, R.O.C.
   7  *
   8  * (c) Copyright 2002-2007, Ralink Technology, Inc.
   9  *
  10  * This program is free software; you can redistribute it and/or modify  *
  11  * it under the terms of the GNU General Public License as published by  *
  12  * the Free Software Foundation; either version 2 of the License, or     *
  13  * (at your option) any later version.                                   *
  14  *                                                                       *
  15  * This program is distributed in the hope that it will be useful,       *
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  18  * GNU General Public License for more details.                          *
  19  *                                                                       *
  20  * You should have received a copy of the GNU General Public License     *
  21  * along with this program; if not, write to the                         *
  22  * Free Software Foundation, Inc.,                                       *
  23  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  24  *                                                                       *
  25  *************************************************************************/
  26
  27 #include "rt_config.h"
  28
  29 /* Following information will be show when you run 'modinfo' */
  30 /* If you have a solution for the bug in current version of driver, please e-mail me. */
  31 /* Otherwise post to the forum at ralinktech's web site(www.ralinktech.com) and let all users help you. */
  32 MODULE_AUTHOR("Paul Lin <paul_lin@ralinktech.com>");
  33 MODULE_DESCRIPTION("RT2870/RT3070 Wireless Lan Linux Driver");
  34 MODULE_LICENSE("GPL");
  35 #ifdef MODULE_VERSION
  36 MODULE_VERSION(STA_DRIVER_VERSION);
  37 #endif
  38
  39 /* module table */
  40 struct usb_device_id rtusb_usb_id[] = {
  41 #ifdef RT2870
  42         {USB_DEVICE(0x148F, 0x2770)},   /* Ralink */
  43         {USB_DEVICE(0x148F, 0x2870)},   /* Ralink */
  44         {USB_DEVICE(0x07B8, 0x2870)},   /* AboCom */
  45         {USB_DEVICE(0x07B8, 0x2770)},   /* AboCom */
  46         {USB_DEVICE(0x0DF6, 0x0039)},   /* Sitecom 2770 */
  47         {USB_DEVICE(0x0DF6, 0x003F)},   /* Sitecom 2770 */
  48         {USB_DEVICE(0x083A, 0x7512)},   /* Arcadyan 2770 */
  49         {USB_DEVICE(0x0789, 0x0162)},   /* Logitec 2870 */
  50         {USB_DEVICE(0x0789, 0x0163)},   /* Logitec 2870 */
  51         {USB_DEVICE(0x0789, 0x0164)},   /* Logitec 2870 */
  52         {USB_DEVICE(0x177f, 0x0302)},   /* lsusb */
  53         {USB_DEVICE(0x0B05, 0x1731)},   /* Asus */
  54         {USB_DEVICE(0x0B05, 0x1732)},   /* Asus */
  55         {USB_DEVICE(0x0B05, 0x1742)},   /* Asus */
  56         {USB_DEVICE(0x0DF6, 0x0017)},   /* Sitecom */
  57         {USB_DEVICE(0x0DF6, 0x002B)},   /* Sitecom */
  58         {USB_DEVICE(0x0DF6, 0x002C)},   /* Sitecom */
  59         {USB_DEVICE(0x0DF6, 0x002D)},   /* Sitecom */
  60         {USB_DEVICE(0x14B2, 0x3C06)},   /* Conceptronic */
  61         {USB_DEVICE(0x14B2, 0x3C28)},   /* Conceptronic */
  62         {USB_DEVICE(0x2019, 0xED06)},   /* Planex Communications, Inc. */
  63         {USB_DEVICE(0x07D1, 0x3C09)},   /* D-Link */
  64         {USB_DEVICE(0x07D1, 0x3C11)},   /* D-Link */
  65         {USB_DEVICE(0x14B2, 0x3C07)},   /* AL */
  66         {USB_DEVICE(0x050D, 0x8053)},   /* Belkin */
  67         {USB_DEVICE(0x050D, 0x825B)},   /* Belkin */
  68         {USB_DEVICE(0x050D, 0x935A)},   /* Belkin F6D4050 v1 */
  69         {USB_DEVICE(0x050D, 0x935B)},   /* Belkin F6D4050 v2 */
  70         {USB_DEVICE(0x14B2, 0x3C23)},   /* Airlink */
  71         {USB_DEVICE(0x14B2, 0x3C27)},   /* Airlink */
  72         {USB_DEVICE(0x07AA, 0x002F)},   /* Corega */
  73         {USB_DEVICE(0x07AA, 0x003C)},   /* Corega */
  74         {USB_DEVICE(0x07AA, 0x003F)},   /* Corega */
  75         {USB_DEVICE(0x1044, 0x800B)},   /* Gigabyte */
  76         {USB_DEVICE(0x15A9, 0x0006)},   /* Sparklan */
  77         {USB_DEVICE(0x083A, 0xB522)},   /* SMC */
  78         {USB_DEVICE(0x083A, 0xA618)},   /* SMC */
  79         {USB_DEVICE(0x083A, 0x8522)},   /* Arcadyan */
  80         {USB_DEVICE(0x083A, 0x7522)},   /* Arcadyan */
  81         {USB_DEVICE(0x0CDE, 0x0022)},   /* ZCOM */
  82         {USB_DEVICE(0x0586, 0x3416)},   /* Zyxel */
  83         {USB_DEVICE(0x0586, 0x341a)},   /* Zyxel NWD-270N */
  84         {USB_DEVICE(0x0CDE, 0x0025)},   /* Zyxel */
  85         {USB_DEVICE(0x1740, 0x9701)},   /* EnGenius */
  86         {USB_DEVICE(0x1740, 0x9702)},   /* EnGenius */
  87         {USB_DEVICE(0x0471, 0x200f)},   /* Philips */
  88         {USB_DEVICE(0x14B2, 0x3C25)},   /* Draytek */
  89         {USB_DEVICE(0x13D3, 0x3247)},   /* AzureWave */
  90         {USB_DEVICE(0x083A, 0x6618)},   /* Accton */
  91         {USB_DEVICE(0x15c5, 0x0008)},   /* Amit */
  92         {USB_DEVICE(0x0E66, 0x0001)},   /* Hawking */
  93         {USB_DEVICE(0x0E66, 0x0003)},   /* Hawking */
  94         {USB_DEVICE(0x129B, 0x1828)},   /* Siemens */
  95         {USB_DEVICE(0x157E, 0x300E)},   /* U-Media */
  96         {USB_DEVICE(0x050d, 0x805c)},
  97         {USB_DEVICE(0x050d, 0x815c)},
  98         {USB_DEVICE(0x1482, 0x3C09)},   /* Abocom */
  99         {USB_DEVICE(0x14B2, 0x3C09)},   /* Alpha */
 100         {USB_DEVICE(0x04E8, 0x2018)},   /* samsung linkstick2 */
 101         {USB_DEVICE(0x1690, 0x0740)},   /* Askey */
 102         {USB_DEVICE(0x5A57, 0x0280)},   /* Zinwell */
 103         {USB_DEVICE(0x5A57, 0x0282)},   /* Zinwell */
 104         {USB_DEVICE(0x7392, 0x7718)},
 105         {USB_DEVICE(0x7392, 0x7717)},
 106         {USB_DEVICE(0x0411, 0x016f)},   /* MelCo.,Inc. WLI-UC-G301N */
 107         {USB_DEVICE(0x1737, 0x0070)},   /* Linksys WUSB100 */
 108         {USB_DEVICE(0x1737, 0x0071)},   /* Linksys WUSB600N */
 109         {USB_DEVICE(0x1737, 0x0078)},   /* Linksys WUSB100v2 */
 110         {USB_DEVICE(0x0411, 0x00e8)},   /* Buffalo WLI-UC-G300N */
 111         {USB_DEVICE(0x050d, 0x815c)},   /* Belkin F5D8053 */
 112         {USB_DEVICE(0x100D, 0x9031)},   /* Motorola 2770 */
 113 #endif /* RT2870 // */
 114 #ifdef RT3070
 115         {USB_DEVICE(0x148F, 0x3070)},   /* Ralink 3070 */
 116         {USB_DEVICE(0x148F, 0x3071)},   /* Ralink 3071 */
 117         {USB_DEVICE(0x148F, 0x3072)},   /* Ralink 3072 */
 118         {USB_DEVICE(0x0DB0, 0x3820)},   /* Ralink 3070 */
 119         {USB_DEVICE(0x0DB0, 0x871C)},   /* Ralink 3070 */
 120         {USB_DEVICE(0x0DB0, 0x822C)},   /* Ralink 3070 */
 121         {USB_DEVICE(0x0DB0, 0x871B)},   /* Ralink 3070 */
 122         {USB_DEVICE(0x0DB0, 0x822B)},   /* Ralink 3070 */
 123         {USB_DEVICE(0x0DF6, 0x003E)},   /* Sitecom 3070 */
 124         {USB_DEVICE(0x0DF6, 0x0042)},   /* Sitecom 3072 */
 125         {USB_DEVICE(0x0DF6, 0x0048)},   /* Sitecom 3070 */
 126         {USB_DEVICE(0x0DF6, 0x0047)},   /* Sitecom 3071 */
 127         {USB_DEVICE(0x14B2, 0x3C12)},   /* AL 3070 */
 128         {USB_DEVICE(0x18C5, 0x0012)},   /* Corega 3070 */
 129         {USB_DEVICE(0x083A, 0x7511)},   /* Arcadyan 3070 */
 130         {USB_DEVICE(0x083A, 0xA701)},   /* SMC 3070 */
 131         {USB_DEVICE(0x083A, 0xA702)},   /* SMC 3072 */
 132         {USB_DEVICE(0x1740, 0x9703)},   /* EnGenius 3070 */
 133         {USB_DEVICE(0x1740, 0x9705)},   /* EnGenius 3071 */
 134         {USB_DEVICE(0x1740, 0x9706)},   /* EnGenius 3072 */
 135         {USB_DEVICE(0x1740, 0x9707)},   /* EnGenius 3070 */
 136         {USB_DEVICE(0x1740, 0x9708)},   /* EnGenius 3071 */
 137         {USB_DEVICE(0x1740, 0x9709)},   /* EnGenius 3072 */
 138         {USB_DEVICE(0x13D3, 0x3273)},   /* AzureWave 3070 */
 139         {USB_DEVICE(0x13D3, 0x3305)},   /* AzureWave 3070*/
 140         {USB_DEVICE(0x1044, 0x800D)},   /* Gigabyte GN-WB32L 3070 */
 141         {USB_DEVICE(0x2019, 0xAB25)},   /* Planex Communications, Inc. RT3070 */
 142         {USB_DEVICE(0x07B8, 0x3070)},   /* AboCom 3070 */
 143         {USB_DEVICE(0x07B8, 0x3071)},   /* AboCom 3071 */
 144         {USB_DEVICE(0x07B8, 0x3072)},   /* Abocom 3072 */
 145         {USB_DEVICE(0x7392, 0x7711)},   /* Edimax 3070 */
 146         {USB_DEVICE(0x1A32, 0x0304)},   /* Quanta 3070 */
 147         {USB_DEVICE(0x1EDA, 0x2310)},   /* AirTies 3070 */
 148         {USB_DEVICE(0x07D1, 0x3C0A)},   /* D-Link 3072 */
 149         {USB_DEVICE(0x07D1, 0x3C0D)},   /* D-Link 3070 */
 150         {USB_DEVICE(0x07D1, 0x3C0E)},   /* D-Link 3070 */
 151         {USB_DEVICE(0x07D1, 0x3C0F)},   /* D-Link 3070 */
 152         {USB_DEVICE(0x07D1, 0x3C16)},   /* D-Link 3070 */
 153         {USB_DEVICE(0x07D1, 0x3C17)},   /* D-Link 8070 */
 154         {USB_DEVICE(0x1D4D, 0x000C)},   /* Pegatron Corporation 3070 */
 155         {USB_DEVICE(0x1D4D, 0x000E)},   /* Pegatron Corporation 3070 */
 156         {USB_DEVICE(0x5A57, 0x5257)},   /* Zinwell 3070 */
 157         {USB_DEVICE(0x5A57, 0x0283)},   /* Zinwell 3072 */
 158         {USB_DEVICE(0x04BB, 0x0945)},   /* I-O DATA 3072 */
 159         {USB_DEVICE(0x04BB, 0x0947)},   /* I-O DATA 3070 */
 160         {USB_DEVICE(0x04BB, 0x0948)},   /* I-O DATA 3072 */
 161         {USB_DEVICE(0x203D, 0x1480)},   /* Encore 3070 */
 162         {USB_DEVICE(0x20B8, 0x8888)},   /* PARA INDUSTRIAL 3070 */
 163         {USB_DEVICE(0x0B05, 0x1784)},   /* Asus 3072 */
 164         {USB_DEVICE(0x203D, 0x14A9)},   /* Encore 3070*/
 165         {USB_DEVICE(0x0DB0, 0x899A)},   /* MSI 3070*/
 166         {USB_DEVICE(0x0DB0, 0x3870)},   /* MSI 3070*/
 167         {USB_DEVICE(0x0DB0, 0x870A)},   /* MSI 3070*/
 168         {USB_DEVICE(0x0DB0, 0x6899)},   /* MSI 3070 */
 169         {USB_DEVICE(0x0DB0, 0x3822)},   /* MSI 3070 */
 170         {USB_DEVICE(0x0DB0, 0x3871)},   /* MSI 3070 */
 171         {USB_DEVICE(0x0DB0, 0x871A)},   /* MSI 3070 */
 172         {USB_DEVICE(0x0DB0, 0x822A)},   /* MSI 3070 */
 173         {USB_DEVICE(0x0DB0, 0x3821)},   /* Ralink 3070 */
 174         {USB_DEVICE(0x0DB0, 0x821A)},   /* Ralink 3070 */
 175         {USB_DEVICE(0x083A, 0xA703)},   /* IO-MAGIC */
 176         {USB_DEVICE(0x13D3, 0x3307)},   /* Azurewave */
 177         {USB_DEVICE(0x13D3, 0x3321)},   /* Azurewave */
 178         {USB_DEVICE(0x07FA, 0x7712)},   /* Edimax */
 179         {USB_DEVICE(0x0789, 0x0166)},   /* Edimax */
 180         {USB_DEVICE(0x148F, 0x2070)},   /* Edimax */
 181 #endif /* RT3070 // */
 182         {USB_DEVICE(0x1737, 0x0077)},   /* Linksys WUSB54GC-EU v3 */
 183         {USB_DEVICE(0x2001, 0x3C09)},   /* D-Link */
 184         {USB_DEVICE(0x2001, 0x3C0A)},   /* D-Link 3072 */
 185         {USB_DEVICE(0x2019, 0xED14)},   /* Planex Communications, Inc. */
 186         {USB_DEVICE(0x0411, 0x015D)},   /* Buffalo Airstation WLI-UC-GN */
 187         {}                      /* Terminating entry */
 188 };
 189
 190 int const rtusb_usb_id_len =
 191     sizeof(rtusb_usb_id) / sizeof(struct usb_device_id);
 192
 193 MODULE_DEVICE_TABLE(usb, rtusb_usb_id);
 194
 195 static void rt2870_disconnect(struct usb_device *dev, struct rt_rtmp_adapter *pAd);
 196
 197 static int __devinit rt2870_probe(IN struct usb_interface *intf,
 198                                   IN struct usb_device *usb_dev,
 199                                   IN const struct usb_device_id *dev_id,
 200                                   struct rt_rtmp_adapter **ppAd);
 201
 202 #ifndef PF_NOFREEZE
 203 #define PF_NOFREEZE  0
 204 #endif
 205
 206 extern int rt28xx_close(IN struct net_device *net_dev);
 207 extern int rt28xx_open(struct net_device *net_dev);
 208
 209 static BOOLEAN USBDevConfigInit(IN struct usb_device *dev,
 210                                 IN struct usb_interface *intf,
 211                                 struct rt_rtmp_adapter *pAd);
 212
 213 /*
 214 ========================================================================
 215 Routine Description:
 216     Check the chipset vendor/product ID.
 217
 218 Arguments:
 219     _dev_p                              Point to the PCI or USB device
 220
 221 Return Value:
 222     TRUE                                Check ok
 223         FALSE                           Check fail
 224
 225 Note:
 226 ========================================================================
 227 */
 228 BOOLEAN RT28XXChipsetCheck(IN void *_dev_p)
 229 {
 230         struct usb_interface *intf = (struct usb_interface *)_dev_p;
 231         struct usb_device *dev_p = interface_to_usbdev(intf);
 232         u32 i;
 233
 234         for (i = 0; i < rtusb_usb_id_len; i++) {
 235                 if (dev_p->descriptor.idVendor == rtusb_usb_id[i].idVendor &&
 236                     dev_p->descriptor.idProduct == rtusb_usb_id[i].idProduct) {
 237                         printk(KERN_INFO "rt2870: idVendor = 0x%x, idProduct = 0x%x\n",
 238                                dev_p->descriptor.idVendor,
 239                                dev_p->descriptor.idProduct);
 240                         break;
 241                 }
 242         }
 243
 244         if (i == rtusb_usb_id_len) {
 245                 printk(KERN_ERR "rt2870: Error! Device Descriptor not matching!\n");
 246                 return FALSE;
 247         }
 248
 249         return TRUE;
 250 }
 251
 252 /**************************************************************************/
 253 /**************************************************************************/
 254 /*tested for kernel 2.6series */
 255 /**************************************************************************/
 256 /**************************************************************************/
 257
 258 #ifdef CONFIG_PM
 259 static int rt2870_suspend(struct usb_interface *intf, pm_message_t state);
 260 static int rt2870_resume(struct usb_interface *intf);
 261 #endif /* CONFIG_PM // */
 262
 263 static BOOLEAN USBDevConfigInit(IN struct usb_device *dev,
 264                                 IN struct usb_interface *intf,
 265                                 struct rt_rtmp_adapter *pAd)
 266 {
 267         struct usb_host_interface *iface_desc;
 268         unsigned long BulkOutIdx;
 269         u32 i;
 270
 271         /* get the active interface descriptor */
 272         iface_desc = intf->cur_altsetting;
 273
 274         /* get # of enpoints  */
 275         pAd->NumberOfPipes = iface_desc->desc.bNumEndpoints;
 276         DBGPRINT(RT_DEBUG_TRACE,
 277                  ("NumEndpoints=%d\n", iface_desc->desc.bNumEndpoints));
 278
 279         /* Configure Pipes */
 280         BulkOutIdx = 0;
 281
 282         for (i = 0; i < pAd->NumberOfPipes; i++) {
 283                 if ((iface_desc->endpoint[i].desc.bmAttributes ==
 284                      USB_ENDPOINT_XFER_BULK) &&
 285                     ((iface_desc->endpoint[i].desc.bEndpointAddress &
 286                       USB_ENDPOINT_DIR_MASK) == USB_DIR_IN)) {
 287                         pAd->BulkInEpAddr =
 288                             iface_desc->endpoint[i].desc.bEndpointAddress;
 289                         pAd->BulkInMaxPacketSize =
 290                             le2cpu16(iface_desc->endpoint[i].desc.
 291                                      wMaxPacketSize);
 292
 293                         DBGPRINT_RAW(RT_DEBUG_TRACE,
 294                                      ("BULK IN MaxPacketSize = %d\n",
 295                                       pAd->BulkInMaxPacketSize));
 296                         DBGPRINT_RAW(RT_DEBUG_TRACE,
 297                                      ("EP address = 0x%2x\n",
 298                                       iface_desc->endpoint[i].desc.
 299                                       bEndpointAddress));
 300                 } else
 301                     if ((iface_desc->endpoint[i].desc.bmAttributes ==
 302                          USB_ENDPOINT_XFER_BULK)
 303                         &&
 304                         ((iface_desc->endpoint[i].desc.
 305                           bEndpointAddress & USB_ENDPOINT_DIR_MASK) ==
 306                          USB_DIR_OUT)) {
 307                         /* there are 6 bulk out EP. EP6 highest priority. */
 308                         /* EP1-4 is EDCA.  EP5 is HCCA. */
 309                         pAd->BulkOutEpAddr[BulkOutIdx++] =
 310                             iface_desc->endpoint[i].desc.bEndpointAddress;
 311                         pAd->BulkOutMaxPacketSize =
 312                             le2cpu16(iface_desc->endpoint[i].desc.
 313                                      wMaxPacketSize);
 314
 315                         DBGPRINT_RAW(RT_DEBUG_TRACE,
 316                                      ("BULK OUT MaxPacketSize = %d\n",
 317                                       pAd->BulkOutMaxPacketSize));
 318                         DBGPRINT_RAW(RT_DEBUG_TRACE,
 319                                      ("EP address = 0x%2x  \n",
 320                                       iface_desc->endpoint[i].desc.
 321                                       bEndpointAddress));
 322                 }
 323         }
 324
 325         if (!(pAd->BulkInEpAddr && pAd->BulkOutEpAddr[0])) {
 326                 printk
 327                     (KERN_ERR "%s: Could not find both bulk-in and bulk-out endpoints\n",
 328                      __FUNCTION__);
 329                 return FALSE;
 330         }
 331
 332         pAd->config = &dev->config->desc;
 333         usb_set_intfdata(intf, pAd);
 334
 335         return TRUE;
 336
 337 }
 338
 339 static int __devinit rtusb_probe(struct usb_interface *intf,
 340                        const struct usb_device_id *id)
 341 {
 342         struct rt_rtmp_adapter *pAd;
 343         struct usb_device *dev;
 344         int rv;
 345
 346         dev = interface_to_usbdev(intf);
 347         dev = usb_get_dev(dev);
 348
 349         rv = rt2870_probe(intf, dev, id, &pAd);
 350         if (rv != 0)
 351                 usb_put_dev(dev);
 352
 353         return rv;
 354 }
 355
 356 static void rtusb_disconnect(struct usb_interface *intf)
 357 {
 358         struct usb_device *dev = interface_to_usbdev(intf);
 359         struct rt_rtmp_adapter *pAd;
 360
 361         pAd = usb_get_intfdata(intf);
 362         usb_set_intfdata(intf, NULL);
 363
 364         rt2870_disconnect(dev, pAd);
 365 }
 366
 367 struct usb_driver rtusb_driver = {
 368         .name = "rt2870",
 369         .probe = rtusb_probe,
 370         .disconnect = rtusb_disconnect,
 371         .id_table = rtusb_usb_id,
 372
 373 #ifdef CONFIG_PM
 374 suspend:rt2870_suspend,
 375 resume:rt2870_resume,
 376 #endif
 377 };
 378
 379 #ifdef CONFIG_PM
 380
 381 void RT2870RejectPendingPackets(struct rt_rtmp_adapter *pAd)
 382 {
 383         /* clear PS packets */
 384         /* clear TxSw packets */
 385 }
 386
 387 static int rt2870_suspend(struct usb_interface *intf, pm_message_t state)
 388 {
 389         struct net_device *net_dev;
 390         struct rt_rtmp_adapter *pAd = usb_get_intfdata(intf);
 391
 392         DBGPRINT(RT_DEBUG_TRACE, ("===> rt2870_suspend()\n"));
 393         net_dev = pAd->net_dev;
 394         netif_device_detach(net_dev);
 395
 396         pAd->PM_FlgSuspend = 1;
 397         if (netif_running(net_dev)) {
 398                 RTUSBCancelPendingBulkInIRP(pAd);
 399                 RTUSBCancelPendingBulkOutIRP(pAd);
 400         }
 401         DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2870_suspend()\n"));
 402         return 0;
 403 }
 404
 405 static int rt2870_resume(struct usb_interface *intf)
 406 {
 407         struct net_device *net_dev;
 408         struct rt_rtmp_adapter *pAd = usb_get_intfdata(intf);
 409
 410         DBGPRINT(RT_DEBUG_TRACE, ("===> rt2870_resume()\n"));
 411
 412         pAd->PM_FlgSuspend = 0;
 413         net_dev = pAd->net_dev;
 414         netif_device_attach(net_dev);
 415         netif_start_queue(net_dev);
 416         netif_carrier_on(net_dev);
 417         netif_wake_queue(net_dev);
 418
 419         DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2870_resume()\n"));
 420         return 0;
 421 }
 422 #endif /* CONFIG_PM // */
 423
 424 /* Init driver module */
 425 int __init rtusb_init(void)
 426 {
 427         printk(KERN_DEBUG "rtusb init --->\n");
 428         return usb_register(&rtusb_driver);
 429 }
 430
 431 /* Deinit driver module */
 432 void __exit rtusb_exit(void)
 433 {
 434         usb_deregister(&rtusb_driver);
 435         printk(KERN_DEBUG "<--- rtusb exit\n");
 436 }
 437
 438 module_init(rtusb_init);
 439 module_exit(rtusb_exit);
 440
 441 /*--------------------------------------------------------------------- */
 442 /* function declarations                                                                                                */
 443 /*--------------------------------------------------------------------- */
 444
 445 /*
 446 ========================================================================
 447 Routine Description:
 448     MLME kernel thread.
 449
 450 Arguments:
 451         *Context                        the pAd, driver control block pointer
 452
 453 Return Value:
 454     0                                   close the thread
 455
 456 Note:
 457 ========================================================================
 458 */
 459 int MlmeThread(IN void *Context)
 460 {
 461         struct rt_rtmp_adapter *pAd;
 462         struct rt_rtmp_os_task *pTask;
 463         int status;
 464         status = 0;
 465
 466         pTask = Context;
 467         pAd = pTask->priv;
 468
 469         RtmpOSTaskCustomize(pTask);
 470
 471         while (!pTask->task_killed) {
 472 #ifdef KTHREAD_SUPPORT
 473                 RTMP_WAIT_EVENT_INTERRUPTIBLE(pAd, pTask);
 474 #else
 475                 RTMP_SEM_EVENT_WAIT(&(pTask->taskSema), status);
 476
 477                 /* unlock the device pointers */
 478                 if (status != 0) {
 479                         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 480                         break;
 481                 }
 482 #endif
 483
 484                 /* lock the device pointers , need to check if required */
 485                 /*down(&(pAd->usbdev_semaphore)); */
 486
 487                 if (!pAd->PM_FlgSuspend)
 488                         MlmeHandler(pAd);
 489         }
 490
 491         /* notify the exit routine that we're actually exiting now
 492          *
 493          * complete()/wait_for_completion() is similar to up()/down(),
 494          * except that complete() is safe in the case where the structure
 495          * is getting deleted in a parallel mode of execution (i.e. just
 496          * after the down() -- that's necessary for the thread-shutdown
 497          * case.
 498          *
 499          * complete_and_exit() goes even further than this -- it is safe in
 500          * the case that the thread of the caller is going away (not just
 501          * the structure) -- this is necessary for the module-remove case.
 502          * This is important in preemption kernels, which transfer the flow
 503          * of execution immediately upon a complete().
 504          */
 505         DBGPRINT(RT_DEBUG_TRACE, ("<---%s\n", __FUNCTION__));
 506 #ifndef KTHREAD_SUPPORT
 507         pTask->taskPID = THREAD_PID_INIT_VALUE;
 508         complete_and_exit(&pTask->taskComplete, 0);
 509 #endif
 510         return 0;
 511
 512 }
 513
 514 /*
 515 ========================================================================
 516 Routine Description:
 517     USB command kernel thread.
 518
 519 Arguments:
 520         *Context                        the pAd, driver control block pointer
 521
 522 Return Value:
 523     0                                   close the thread
 524
 525 Note:
 526 ========================================================================
 527 */
 528 int RTUSBCmdThread(IN void *Context)
 529 {
 530         struct rt_rtmp_adapter *pAd;
 531         struct rt_rtmp_os_task *pTask;
 532         int status;
 533         status = 0;
 534
 535         pTask = Context;
 536         pAd = pTask->priv;
 537
 538         RtmpOSTaskCustomize(pTask);
 539
 540         NdisAcquireSpinLock(&pAd->CmdQLock);
 541         pAd->CmdQ.CmdQState = RTMP_TASK_STAT_RUNNING;
 542         NdisReleaseSpinLock(&pAd->CmdQLock);
 543
 544         while (pAd && pAd->CmdQ.CmdQState == RTMP_TASK_STAT_RUNNING) {
 545 #ifdef KTHREAD_SUPPORT
 546                 RTMP_WAIT_EVENT_INTERRUPTIBLE(pAd, pTask);
 547 #else
 548                 /* lock the device pointers */
 549                 RTMP_SEM_EVENT_WAIT(&(pTask->taskSema), status);
 550
 551                 if (status != 0) {
 552                         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 553                         break;
 554                 }
 555 #endif
 556
 557                 if (pAd->CmdQ.CmdQState == RTMP_TASK_STAT_STOPED)
 558                         break;
 559
 560                 if (!pAd->PM_FlgSuspend)
 561                         CMDHandler(pAd);
 562         }
 563
 564         if (pAd && !pAd->PM_FlgSuspend) {       /* Clear the CmdQElements. */
 565                 struct rt_cmdqelmt *pCmdQElmt = NULL;
 566
 567                 NdisAcquireSpinLock(&pAd->CmdQLock);
 568                 pAd->CmdQ.CmdQState = RTMP_TASK_STAT_STOPED;
 569                 while (pAd->CmdQ.size) {
 570                         RTUSBDequeueCmd(&pAd->CmdQ, &pCmdQElmt);
 571                         if (pCmdQElmt) {
 572                                 if (pCmdQElmt->CmdFromNdis == TRUE) {
 573                                         if (pCmdQElmt->buffer != NULL)
 574                                                 os_free_mem(pAd,
 575                                                             pCmdQElmt->buffer);
 576                                         os_free_mem(pAd, (u8 *)pCmdQElmt);
 577                                 } else {
 578                                         if ((pCmdQElmt->buffer != NULL)
 579                                             && (pCmdQElmt->bufferlength != 0))
 580                                                 os_free_mem(pAd,
 581                                                             pCmdQElmt->buffer);
 582                                         os_free_mem(pAd, (u8 *)pCmdQElmt);
 583                                 }
 584                         }
 585                 }
 586
 587                 NdisReleaseSpinLock(&pAd->CmdQLock);
 588         }
 589         /* notify the exit routine that we're actually exiting now
 590          *
 591          * complete()/wait_for_completion() is similar to up()/down(),
 592          * except that complete() is safe in the case where the structure
 593          * is getting deleted in a parallel mode of execution (i.e. just
 594          * after the down() -- that's necessary for the thread-shutdown
 595          * case.
 596          *
 597          * complete_and_exit() goes even further than this -- it is safe in
 598          * the case that the thread of the caller is going away (not just
 599          * the structure) -- this is necessary for the module-remove case.
 600          * This is important in preemption kernels, which transfer the flow
 601          * of execution immediately upon a complete().
 602          */
 603         DBGPRINT(RT_DEBUG_TRACE, ("<---RTUSBCmdThread\n"));
 604
 605 #ifndef KTHREAD_SUPPORT
 606         pTask->taskPID = THREAD_PID_INIT_VALUE;
 607         complete_and_exit(&pTask->taskComplete, 0);
 608 #endif
 609         return 0;
 610
 611 }
 612
 613 void RTUSBWatchDog(struct rt_rtmp_adapter *pAd)
 614 {
 615         struct rt_ht_tx_context *pHTTXContext;
 616         int idx;
 617         unsigned long irqFlags;
 618         PURB pUrb;
 619         BOOLEAN needDumpSeq = FALSE;
 620         u32 MACValue;
 621         u32 TxRxQ_Pcnt;
 622
 623         idx = 0;
 624         RTMP_IO_READ32(pAd, TXRXQ_PCNT, &MACValue);
 625         if ((MACValue & 0xff) != 0) {
 626                 DBGPRINT(RT_DEBUG_TRACE,
 627                          ("TX QUEUE 0 Not EMPTY(Value=0x%0x)!\n",
 628                           MACValue));
 629                 RTMP_IO_WRITE32(pAd, PBF_CFG, 0xf40012);
 630                 while ((MACValue & 0xff) != 0 && (idx++ < 10)) {
 631                         RTMP_IO_READ32(pAd, TXRXQ_PCNT, &MACValue);
 632                         RTMPusecDelay(1);
 633                 }
 634                 RTMP_IO_WRITE32(pAd, PBF_CFG, 0xf40006);
 635         }
 636
 637         if (pAd->watchDogRxOverFlowCnt >= 2) {
 638                 DBGPRINT(RT_DEBUG_TRACE,
 639                          ("Maybe the Rx Bulk-In hanged! Cancel the pending Rx bulks request!\n"));
 640                 if ((!RTMP_TEST_FLAG
 641                      (pAd,
 642                       (fRTMP_ADAPTER_RESET_IN_PROGRESS |
 643                        fRTMP_ADAPTER_BULKIN_RESET |
 644                        fRTMP_ADAPTER_HALT_IN_PROGRESS |
 645                        fRTMP_ADAPTER_NIC_NOT_EXIST)))) {
 646                         DBGPRINT(RT_DEBUG_TRACE,
 647                                  ("Call CMDTHREAD_RESET_BULK_IN to cancel the pending Rx Bulk!\n"));
 648                         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_BULKIN_RESET);
 649                         RTUSBEnqueueInternalCmd(pAd, CMDTHREAD_RESET_BULK_IN,
 650                                                 NULL, 0);
 651                         needDumpSeq = TRUE;
 652                 }
 653                 pAd->watchDogRxOverFlowCnt = 0;
 654         }
 655
 656         RTUSBReadMACRegister(pAd, 0x438, &TxRxQ_Pcnt);
 657
 658         for (idx = 0; idx < NUM_OF_TX_RING; idx++) {
 659                 pUrb = NULL;
 660
 661                 RTMP_IRQ_LOCK(&pAd->BulkOutLock[idx], irqFlags);
 662                 if ((pAd->BulkOutPending[idx] == TRUE)
 663                     && pAd->watchDogTxPendingCnt) {
 664                         int actual_length = 0, transfer_buffer_length = 0;
 665                         BOOLEAN isDataPacket = FALSE;
 666                         pAd->watchDogTxPendingCnt[idx]++;
 667
 668                         if ((pAd->watchDogTxPendingCnt[idx] > 2) &&
 669                             (!RTMP_TEST_FLAG
 670                              (pAd,
 671                               (fRTMP_ADAPTER_RESET_IN_PROGRESS |
 672                                fRTMP_ADAPTER_HALT_IN_PROGRESS |
 673                                fRTMP_ADAPTER_NIC_NOT_EXIST |
 674                                fRTMP_ADAPTER_BULKOUT_RESET)))
 675                             ) {
 676                                 /* FIXME: Following code just support single bulk out. If you wanna support multiple bulk out. Modify it! */
 677                                 pHTTXContext =
 678                                     (struct rt_ht_tx_context *)(&pAd->TxContext[idx]);
 679                                 if (pHTTXContext->IRPPending) { /* Check TxContext. */
 680                                         pUrb = pHTTXContext->pUrb;
 681
 682                                         actual_length = pUrb->actual_length;
 683                                         transfer_buffer_length =
 684                                             pUrb->transfer_buffer_length;
 685                                         isDataPacket = TRUE;
 686                                 } else if (idx == MGMTPIPEIDX) {
 687                                         struct rt_tx_context *pMLMEContext, *pNULLContext,
 688                                             *pPsPollContext;
 689
 690                                         /*Check MgmtContext. */
 691                                         pMLMEContext =
 692                                             (struct rt_tx_context *)(pAd->MgmtRing.
 693                                                            Cell[pAd->MgmtRing.
 694                                                                 TxDmaIdx].
 695                                                            AllocVa);
 696                                         pPsPollContext =
 697                                             (struct rt_tx_context *)(&pAd->PsPollContext);
 698                                         pNULLContext =
 699                                             (struct rt_tx_context *)(&pAd->NullContext);
 700
 701                                         if (pMLMEContext->IRPPending) {
 702                                                 ASSERT(pMLMEContext->
 703                                                        IRPPending);
 704                                                 pUrb = pMLMEContext->pUrb;
 705                                         } else if (pNULLContext->IRPPending) {
 706                                                 ASSERT(pNULLContext->
 707                                                        IRPPending);
 708                                                 pUrb = pNULLContext->pUrb;
 709                                         } else if (pPsPollContext->IRPPending) {
 710                                                 ASSERT(pPsPollContext->
 711                                                        IRPPending);
 712                                                 pUrb = pPsPollContext->pUrb;
 713                                         }
 714                                 }
 715
 716                                 RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx],
 717                                                 irqFlags);
 718
 719                                 printk(KERN_INFO "%d:%lu LTL=%d , TL=%d L:%d\n",
 720                                        idx, pAd->watchDogTxPendingCnt[idx],
 721                                        pAd->TransferedLength[idx],
 722                                        actual_length, transfer_buffer_length);
 723
 724                                 if (pUrb) {
 725                                         if ((isDataPacket
 726                                              && pAd->TransferedLength[idx] ==
 727                                              actual_length
 728                                              && pAd->TransferedLength[idx] <
 729                                              transfer_buffer_length
 730                                              && actual_length != 0
 731 /*                                      && TxRxQ_Pcnt==0 */
 732                                              && pAd->watchDogTxPendingCnt[idx] >
 733                                              3)
 734                                             || isDataPacket == FALSE
 735                                             || pAd->watchDogTxPendingCnt[idx] >
 736                                             6) {
 737                                                 DBGPRINT(RT_DEBUG_TRACE,
 738                                                          ("Maybe the Tx Bulk-Out hanged! Cancel the pending Tx bulks request of idx(%d)!\n",
 739                                                           idx));
 740                                                 DBGPRINT(RT_DEBUG_TRACE,
 741                                                          ("Unlink the pending URB!\n"));
 742                                                 /* unlink it now */
 743                                                 RTUSB_UNLINK_URB(pUrb);
 744                                                 /* Sleep 200 microseconds to give cancellation time to work */
 745                                                 /*RTMPusecDelay(200); */
 746                                                 needDumpSeq = TRUE;
 747                                         }
 748                                 } else {
 749                                         DBGPRINT(RT_DEBUG_ERROR,
 750                                                  ("Unknown bulkOut URB maybe hanged!\n"));
 751                                 }
 752                         } else {
 753                                 RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx],
 754                                                 irqFlags);
 755                         }
 756
 757                         if (isDataPacket == TRUE)
 758                                 pAd->TransferedLength[idx] = actual_length;
 759                 } else {
 760                         RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx], irqFlags);
 761                 }
 762         }
 763
 764         /* For Sigma debug, dump the ba_reordering sequence. */
 765         if ((needDumpSeq == TRUE) && (pAd->CommonCfg.bDisableReordering == 0)) {
 766                 u16 Idx;
 767                 struct rt_ba_rec_entry *pBAEntry = NULL;
 768                 u8 count = 0;
 769                 struct reordering_mpdu *mpdu_blk;
 770
 771                 Idx = pAd->MacTab.Content[BSSID_WCID].BARecWcidArray[0];
 772
 773                 pBAEntry = &pAd->BATable.BARecEntry[Idx];
 774                 if ((pBAEntry->list.qlen > 0) && (pBAEntry->list.next != NULL)) {
 775                         DBGPRINT(RT_DEBUG_TRACE,
 776                                  ("NICUpdateRawCounters():The Queueing pkt in reordering buffer:\n"));
 777                         NdisAcquireSpinLock(&pBAEntry->RxReRingLock);
 778                         mpdu_blk = pBAEntry->list.next;
 779                         while (mpdu_blk) {
 780                                 DBGPRINT(RT_DEBUG_TRACE,
 781                                          ("\t%d:Seq-%d, bAMSDU-%d!\n", count,
 782                                           mpdu_blk->Sequence,
 783                                           mpdu_blk->bAMSDU));
 784                                 mpdu_blk = mpdu_blk->next;
 785                                 count++;
 786                         }
 787
 788                         DBGPRINT(RT_DEBUG_TRACE,
 789                                  ("\npBAEntry->LastIndSeq=%d!\n",
 790                                   pBAEntry->LastIndSeq));
 791                         NdisReleaseSpinLock(&pBAEntry->RxReRingLock);
 792                 }
 793         }
 794 }
 795
 796 /*
 797 ========================================================================
 798 Routine Description:
 799     Release allocated resources.
 800
 801 Arguments:
 802     *dev                                Point to the PCI or USB device
 803         pAd                                     driver control block pointer
 804
 805 Return Value:
 806     None
 807
 808 Note:
 809 ========================================================================
 810 */
 811 static void rt2870_disconnect(struct usb_device *dev, struct rt_rtmp_adapter *pAd)
 812 {
 813         DBGPRINT(RT_DEBUG_ERROR,
 814                  ("rtusb_disconnect: unregister usbnet usb-%s-%s\n",
 815                   dev->bus->bus_name, dev->devpath));
 816         if (!pAd) {
 817                 usb_put_dev(dev);
 818                 printk(KERN_ERR "rtusb_disconnect: pAd == NULL!\n");
 819                 return;
 820         }
 821         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST);
 822
 823         /* for debug, wait to show some messages to /proc system */
 824         udelay(1);
 825
 826         RtmpPhyNetDevExit(pAd, pAd->net_dev);
 827
 828         /* FIXME: Shall we need following delay and flush the schedule?? */
 829         udelay(1);
 830         flush_scheduled_work();
 831         udelay(1);
 832
 833         /* free the root net_device */
 834         RtmpOSNetDevFree(pAd->net_dev);
 835
 836         RtmpRaDevCtrlExit(pAd);
 837
 838         /* release a use of the usb device structure */
 839         usb_put_dev(dev);
 840         udelay(1);
 841
 842         DBGPRINT(RT_DEBUG_ERROR, (" RTUSB disconnect successfully\n"));
 843 }
 844
 845 static int __devinit rt2870_probe(IN struct usb_interface *intf,
 846                                   IN struct usb_device *usb_dev,
 847                                   IN const struct usb_device_id *dev_id,
 848                                   struct rt_rtmp_adapter **ppAd)
 849 {
 850         struct net_device *net_dev = NULL;
 851         struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)NULL;
 852         int status, rv;
 853         void *handle;
 854         struct rt_rtmp_os_netdev_op_hook netDevHook;
 855
 856         DBGPRINT(RT_DEBUG_TRACE, ("===>rt2870_probe()!\n"));
 857
 858         /* Check chipset vendor/product ID */
 859         /*if (RT28XXChipsetCheck(_dev_p) == FALSE) */
 860         /*      goto err_out; */
 861
 862 /*RtmpDevInit============================================= */
 863         /* Allocate struct rt_rtmp_adapter adapter structure */
 864         handle = kmalloc(sizeof(struct os_cookie), GFP_KERNEL);
 865         if (handle == NULL) {
 866                 printk
 867                     ("rt2870_probe(): Allocate memory for os handle failed!\n");
 868                 return -ENOMEM;
 869         }
 870         ((struct os_cookie *)handle)->pUsb_Dev = usb_dev;
 871
 872         rv = RTMPAllocAdapterBlock(handle, &pAd);
 873         if (rv != NDIS_STATUS_SUCCESS) {
 874                 kfree(handle);
 875                 goto err_out;
 876         }
 877 /*USBDevInit============================================== */
 878         if (USBDevConfigInit(usb_dev, intf, pAd) == FALSE)
 879                 goto err_out_free_radev;
 880
 881         RtmpRaDevCtrlInit(pAd, RTMP_DEV_INF_USB);
 882
 883 /*NetDevInit============================================== */
 884         net_dev = RtmpPhyNetDevInit(pAd, &netDevHook);
 885         if (net_dev == NULL)
 886                 goto err_out_free_radev;
 887
 888         /* Here are the net_device structure with usb specific parameters.
 889          * for supporting Network Manager.
 890          * Set the sysfs physical device reference for the network logical device if set prior to registration will
 891          * cause a symlink during initialization.
 892          */
 893         SET_NETDEV_DEV(net_dev, &(usb_dev->dev));
 894
 895         pAd->StaCfg.OriDevType = net_dev->type;
 896
 897 /*All done, it's time to register the net device to linux kernel. */
 898         /* Register this device */
 899         status = RtmpOSNetDevAttach(net_dev, &netDevHook);
 900         if (status != 0)
 901                 goto err_out_free_netdev;
 902
 903 #ifdef KTHREAD_SUPPORT
 904         init_waitqueue_head(&pAd->mlmeTask.kthread_q);
 905         init_waitqueue_head(&pAd->timerTask.kthread_q);
 906         init_waitqueue_head(&pAd->cmdQTask.kthread_q);
 907 #endif
 908
 909         *ppAd = pAd;
 910
 911         DBGPRINT(RT_DEBUG_TRACE, ("<===rt2870_probe()!\n"));
 912
 913         return 0;
 914
 915         /* --------------------------- ERROR HANDLE --------------------------- */
 916 err_out_free_netdev:
 917         RtmpOSNetDevFree(net_dev);
 918
 919 err_out_free_radev:
 920         RTMPFreeAdapter(pAd);
 921
 922 err_out:
 923         *ppAd = NULL;
 924
 925         return -1;
 926
 927 }