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