drivers/net/wireless/intersil/p54/p54usb.c

   1
   2 /*
   3  * Linux device driver for USB based Prism54
   4  *
   5  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
   6  *
   7  * Based on the islsm (softmac prism54) driver, which is:
   8  * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
   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 version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #include <linux/usb.h>
  16 #include <linux/pci.h>
  17 #include <linux/slab.h>
  18 #include <linux/firmware.h>
  19 #include <linux/etherdevice.h>
  20 #include <linux/delay.h>
  21 #include <linux/crc32.h>
  22 #include <linux/module.h>
  23 #include <net/mac80211.h>
  24
  25 #include "p54.h"
  26 #include "lmac.h"
  27 #include "p54usb.h"
  28
  29 MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
  30 MODULE_DESCRIPTION("Prism54 USB wireless driver");
  31 MODULE_LICENSE("GPL");
  32 MODULE_ALIAS("prism54usb");
  33 /*(DEBLOBBED)*/
  34
  35 static struct usb_driver p54u_driver;
  36
  37 /*
  38  * Note:
  39  *
  40  * Always update our wiki's device list (located at:
  41  * http://wireless.kernel.org/en/users/Drivers/p54/devices ),
  42  * whenever you add a new device.
  43  */
  44
  45 static struct usb_device_id p54u_table[] = {
  46         /* Version 1 devices (pci chip + net2280) */
  47         {USB_DEVICE(0x0411, 0x0050)},   /* Buffalo WLI2-USB2-G54 */
  48         {USB_DEVICE(0x045e, 0x00c2)},   /* Microsoft MN-710 */
  49         {USB_DEVICE(0x0506, 0x0a11)},   /* 3COM 3CRWE254G72 */
  50         {USB_DEVICE(0x0675, 0x0530)},   /* DrayTek Vigor 530 */
  51         {USB_DEVICE(0x06b9, 0x0120)},   /* Thomson SpeedTouch 120g */
  52         {USB_DEVICE(0x0707, 0xee06)},   /* SMC 2862W-G */
  53         {USB_DEVICE(0x07aa, 0x001c)},   /* Corega CG-WLUSB2GT */
  54         {USB_DEVICE(0x083a, 0x4501)},   /* Accton 802.11g WN4501 USB */
  55         {USB_DEVICE(0x083a, 0x4502)},   /* Siemens Gigaset USB Adapter */
  56         {USB_DEVICE(0x083a, 0x5501)},   /* Phillips CPWUA054 */
  57         {USB_DEVICE(0x0846, 0x4200)},   /* Netgear WG121 */
  58         {USB_DEVICE(0x0846, 0x4210)},   /* Netgear WG121 the second ? */
  59         {USB_DEVICE(0x0846, 0x4220)},   /* Netgear WG111 */
  60         {USB_DEVICE(0x09aa, 0x1000)},   /* Spinnaker Proto board */
  61         {USB_DEVICE(0x0bf8, 0x1007)},   /* Fujitsu E-5400 USB */
  62         {USB_DEVICE(0x0cde, 0x0006)},   /* Medion 40900, Roper Europe */
  63         {USB_DEVICE(0x0db0, 0x6826)},   /* MSI UB54G (MS-6826) */
  64         {USB_DEVICE(0x107b, 0x55f2)},   /* Gateway WGU-210 (Gemtek) */
  65         {USB_DEVICE(0x124a, 0x4023)},   /* Shuttle PN15, Airvast WM168g, IOGear GWU513 */
  66         {USB_DEVICE(0x124a, 0x4026)},   /* AirVasT USB wireless device */
  67         {USB_DEVICE(0x1435, 0x0210)},   /* Inventel UR054G */
  68         {USB_DEVICE(0x15a9, 0x0002)},   /* Gemtek WUBI-100GW 802.11g */
  69         {USB_DEVICE(0x1630, 0x0005)},   /* 2Wire 802.11g USB (v1) / Z-Com */
  70         {USB_DEVICE(0x182d, 0x096b)},   /* Sitecom WL-107 */
  71         {USB_DEVICE(0x1915, 0x2234)},   /* Linksys WUSB54G OEM */
  72         {USB_DEVICE(0x1915, 0x2235)},   /* Linksys WUSB54G Portable OEM */
  73         {USB_DEVICE(0x2001, 0x3701)},   /* DLink DWL-G120 Spinnaker */
  74         {USB_DEVICE(0x2001, 0x3703)},   /* DLink DWL-G122 */
  75         {USB_DEVICE(0x2001, 0x3762)},   /* Conceptronic C54U */
  76         {USB_DEVICE(0x5041, 0x2234)},   /* Linksys WUSB54G */
  77         {USB_DEVICE(0x5041, 0x2235)},   /* Linksys WUSB54G Portable */
  78
  79         /* Version 2 devices (3887) */
  80         {USB_DEVICE(0x0471, 0x1230)},   /* Philips CPWUA054/00 */
  81         {USB_DEVICE(0x050d, 0x7050)},   /* Belkin F5D7050 ver 1000 */
  82         {USB_DEVICE(0x0572, 0x2000)},   /* Cohiba Proto board */
  83         {USB_DEVICE(0x0572, 0x2002)},   /* Cohiba Proto board */
  84         {USB_DEVICE(0x06a9, 0x000e)},   /* Westell 802.11g USB (A90-211WG-01) */
  85         {USB_DEVICE(0x06b9, 0x0121)},   /* Thomson SpeedTouch 121g */
  86         {USB_DEVICE(0x0707, 0xee13)},   /* SMC 2862W-G version 2 */
  87         {USB_DEVICE(0x07aa, 0x0020)},   /* Corega WLUSB2GTST USB */
  88         {USB_DEVICE(0x0803, 0x4310)},   /* Zoom 4410a */
  89         {USB_DEVICE(0x083a, 0x4521)},   /* Siemens Gigaset USB Adapter 54 version 2 */
  90         {USB_DEVICE(0x083a, 0x4531)},   /* T-Com Sinus 154 data II */
  91         {USB_DEVICE(0x083a, 0xc501)},   /* Zoom Wireless-G 4410 */
  92         {USB_DEVICE(0x083a, 0xf503)},   /* Accton FD7050E ver 1010ec  */
  93         {USB_DEVICE(0x0846, 0x4240)},   /* Netgear WG111 (v2) */
  94         {USB_DEVICE(0x0915, 0x2000)},   /* Cohiba Proto board */
  95         {USB_DEVICE(0x0915, 0x2002)},   /* Cohiba Proto board */
  96         {USB_DEVICE(0x0baf, 0x0118)},   /* U.S. Robotics U5 802.11g Adapter*/
  97         {USB_DEVICE(0x0bf8, 0x1009)},   /* FUJITSU E-5400 USB D1700*/
  98         /* {USB_DEVICE(0x0cde, 0x0006)}, * Medion MD40900 already listed above,
  99                                          * just noting it here for clarity */
 100         {USB_DEVICE(0x0cde, 0x0008)},   /* Sagem XG703A */
 101         {USB_DEVICE(0x0cde, 0x0015)},   /* Zcomax XG-705A */
 102         {USB_DEVICE(0x0d8e, 0x3762)},   /* DLink DWL-G120 Cohiba */
 103         {USB_DEVICE(0x124a, 0x4025)},   /* IOGear GWU513 (GW3887IK chip) */
 104         {USB_DEVICE(0x1260, 0xee22)},   /* SMC 2862W-G version 2 */
 105         {USB_DEVICE(0x13b1, 0x000a)},   /* Linksys WUSB54G ver 2 */
 106         {USB_DEVICE(0x13B1, 0x000C)},   /* Linksys WUSB54AG */
 107         {USB_DEVICE(0x1413, 0x5400)},   /* Telsey 802.11g USB2.0 Adapter */
 108         {USB_DEVICE(0x1435, 0x0427)},   /* Inventel UR054G */
 109         /* {USB_DEVICE(0x15a9, 0x0002)}, * Also SparkLAN WL-682 with 3887 */
 110         {USB_DEVICE(0x1668, 0x1050)},   /* Actiontec 802UIG-1 */
 111         {USB_DEVICE(0x1740, 0x1000)},   /* Senao NUB-350 */
 112         {USB_DEVICE(0x2001, 0x3704)},   /* DLink DWL-G122 rev A2 */
 113         {USB_DEVICE(0x2001, 0x3705)},   /* D-Link DWL-G120 rev C1 */
 114         {USB_DEVICE(0x413c, 0x5513)},   /* Dell WLA3310 USB Wireless Adapter */
 115         {USB_DEVICE(0x413c, 0x8102)},   /* Spinnaker DUT */
 116         {USB_DEVICE(0x413c, 0x8104)},   /* Cohiba Proto board */
 117         {}
 118 };
 119
 120 MODULE_DEVICE_TABLE(usb, p54u_table);
 121
 122 static const struct {
 123         u32 intf;
 124         enum p54u_hw_type type;
 125         const char *fw;
 126         char hw[20];
 127 } p54u_fwlist[__NUM_P54U_HWTYPES] = {
 128         {
 129                 .type = P54U_NET2280,
 130                 .intf = FW_LM86,
 131                 .fw = "/*(DEBLOBBED)*/",
 132                 .hw = "ISL3886 + net2280",
 133         },
 134         {
 135                 .type = P54U_3887,
 136                 .intf = FW_LM87,
 137                 .fw = "/*(DEBLOBBED)*/",
 138                 .hw = "ISL3887",
 139         },
 140 };
 141
 142 static void p54u_rx_cb(struct urb *urb)
 143 {
 144         struct sk_buff *skb = (struct sk_buff *) urb->context;
 145         struct p54u_rx_info *info = (struct p54u_rx_info *)skb->cb;
 146         struct ieee80211_hw *dev = info->dev;
 147         struct p54u_priv *priv = dev->priv;
 148
 149         skb_unlink(skb, &priv->rx_queue);
 150
 151         if (unlikely(urb->status)) {
 152                 dev_kfree_skb_irq(skb);
 153                 return;
 154         }
 155
 156         skb_put(skb, urb->actual_length);
 157
 158         if (priv->hw_type == P54U_NET2280)
 159                 skb_pull(skb, priv->common.tx_hdr_len);
 160         if (priv->common.fw_interface == FW_LM87) {
 161                 skb_pull(skb, 4);
 162                 skb_put(skb, 4);
 163         }
 164
 165         if (p54_rx(dev, skb)) {
 166                 skb = dev_alloc_skb(priv->common.rx_mtu + 32);
 167                 if (unlikely(!skb)) {
 168                         /* TODO check rx queue length and refill *somewhere* */
 169                         return;
 170                 }
 171
 172                 info = (struct p54u_rx_info *) skb->cb;
 173                 info->urb = urb;
 174                 info->dev = dev;
 175                 urb->transfer_buffer = skb_tail_pointer(skb);
 176                 urb->context = skb;
 177         } else {
 178                 if (priv->hw_type == P54U_NET2280)
 179                         skb_push(skb, priv->common.tx_hdr_len);
 180                 if (priv->common.fw_interface == FW_LM87) {
 181                         skb_push(skb, 4);
 182                         skb_put(skb, 4);
 183                 }
 184                 skb_reset_tail_pointer(skb);
 185                 skb_trim(skb, 0);
 186                 urb->transfer_buffer = skb_tail_pointer(skb);
 187         }
 188         skb_queue_tail(&priv->rx_queue, skb);
 189         usb_anchor_urb(urb, &priv->submitted);
 190         if (usb_submit_urb(urb, GFP_ATOMIC)) {
 191                 skb_unlink(skb, &priv->rx_queue);
 192                 usb_unanchor_urb(urb);
 193                 dev_kfree_skb_irq(skb);
 194         }
 195 }
 196
 197 static void p54u_tx_cb(struct urb *urb)
 198 {
 199         struct sk_buff *skb = urb->context;
 200         struct ieee80211_hw *dev =
 201                 usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
 202
 203         p54_free_skb(dev, skb);
 204 }
 205
 206 static void p54u_tx_dummy_cb(struct urb *urb) { }
 207
 208 static void p54u_free_urbs(struct ieee80211_hw *dev)
 209 {
 210         struct p54u_priv *priv = dev->priv;
 211         usb_kill_anchored_urbs(&priv->submitted);
 212 }
 213
 214 static void p54u_stop(struct ieee80211_hw *dev)
 215 {
 216         /*
 217          * TODO: figure out how to reliably stop the 3887 and net2280 so
 218          * the hardware is still usable next time we want to start it.
 219          * until then, we just stop listening to the hardware..
 220          */
 221         p54u_free_urbs(dev);
 222 }
 223
 224 static int p54u_init_urbs(struct ieee80211_hw *dev)
 225 {
 226         struct p54u_priv *priv = dev->priv;
 227         struct urb *entry = NULL;
 228         struct sk_buff *skb;
 229         struct p54u_rx_info *info;
 230         int ret = 0;
 231
 232         while (skb_queue_len(&priv->rx_queue) < 32) {
 233                 skb = __dev_alloc_skb(priv->common.rx_mtu + 32, GFP_KERNEL);
 234                 if (!skb) {
 235                         ret = -ENOMEM;
 236                         goto err;
 237                 }
 238                 entry = usb_alloc_urb(0, GFP_KERNEL);
 239                 if (!entry) {
 240                         ret = -ENOMEM;
 241                         goto err;
 242                 }
 243
 244                 usb_fill_bulk_urb(entry, priv->udev,
 245                                   usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA),
 246                                   skb_tail_pointer(skb),
 247                                   priv->common.rx_mtu + 32, p54u_rx_cb, skb);
 248                 info = (struct p54u_rx_info *) skb->cb;
 249                 info->urb = entry;
 250                 info->dev = dev;
 251                 skb_queue_tail(&priv->rx_queue, skb);
 252
 253                 usb_anchor_urb(entry, &priv->submitted);
 254                 ret = usb_submit_urb(entry, GFP_KERNEL);
 255                 if (ret) {
 256                         skb_unlink(skb, &priv->rx_queue);
 257                         usb_unanchor_urb(entry);
 258                         goto err;
 259                 }
 260                 usb_free_urb(entry);
 261                 entry = NULL;
 262         }
 263
 264         return 0;
 265
 266  err:
 267         usb_free_urb(entry);
 268         kfree_skb(skb);
 269         p54u_free_urbs(dev);
 270         return ret;
 271 }
 272
 273 static int p54u_open(struct ieee80211_hw *dev)
 274 {
 275         /*
 276          * TODO: Because we don't know how to reliably stop the 3887 and
 277          * the isl3886+net2280, other than brutally cut off all
 278          * communications. We have to reinitialize the urbs on every start.
 279          */
 280         return p54u_init_urbs(dev);
 281 }
 282
 283 static __le32 p54u_lm87_chksum(const __le32 *data, size_t length)
 284 {
 285         u32 chk = 0;
 286
 287         length >>= 2;
 288         while (length--) {
 289                 chk ^= le32_to_cpu(*data++);
 290                 chk = (chk >> 5) ^ (chk << 3);
 291         }
 292
 293         return cpu_to_le32(chk);
 294 }
 295
 296 static void p54u_tx_lm87(struct ieee80211_hw *dev, struct sk_buff *skb)
 297 {
 298         struct p54u_priv *priv = dev->priv;
 299         struct urb *data_urb;
 300         struct lm87_tx_hdr *hdr = (void *)skb->data - sizeof(*hdr);
 301
 302         data_urb = usb_alloc_urb(0, GFP_ATOMIC);
 303         if (!data_urb) {
 304                 p54_free_skb(dev, skb);
 305                 return;
 306         }
 307
 308         hdr->chksum = p54u_lm87_chksum((__le32 *)skb->data, skb->len);
 309         hdr->device_addr = ((struct p54_hdr *)skb->data)->req_id;
 310
 311         usb_fill_bulk_urb(data_urb, priv->udev,
 312                           usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA),
 313                           hdr, skb->len + sizeof(*hdr),  FREE_AFTER_TX(skb) ?
 314                           p54u_tx_cb : p54u_tx_dummy_cb, skb);
 315         data_urb->transfer_flags |= URB_ZERO_PACKET;
 316
 317         usb_anchor_urb(data_urb, &priv->submitted);
 318         if (usb_submit_urb(data_urb, GFP_ATOMIC)) {
 319                 usb_unanchor_urb(data_urb);
 320                 p54_free_skb(dev, skb);
 321         }
 322         usb_free_urb(data_urb);
 323 }
 324
 325 static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb)
 326 {
 327         struct p54u_priv *priv = dev->priv;
 328         struct urb *int_urb = NULL, *data_urb = NULL;
 329         struct net2280_tx_hdr *hdr = (void *)skb->data - sizeof(*hdr);
 330         struct net2280_reg_write *reg = NULL;
 331         int err = -ENOMEM;
 332
 333         reg = kmalloc(sizeof(*reg), GFP_ATOMIC);
 334         if (!reg)
 335                 goto out;
 336
 337         int_urb = usb_alloc_urb(0, GFP_ATOMIC);
 338         if (!int_urb)
 339                 goto out;
 340
 341         data_urb = usb_alloc_urb(0, GFP_ATOMIC);
 342         if (!data_urb)
 343                 goto out;
 344
 345         reg->port = cpu_to_le16(NET2280_DEV_U32);
 346         reg->addr = cpu_to_le32(P54U_DEV_BASE);
 347         reg->val = cpu_to_le32(ISL38XX_DEV_INT_DATA);
 348
 349         memset(hdr, 0, sizeof(*hdr));
 350         hdr->len = cpu_to_le16(skb->len);
 351         hdr->device_addr = ((struct p54_hdr *) skb->data)->req_id;
 352
 353         usb_fill_bulk_urb(int_urb, priv->udev,
 354                 usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV), reg, sizeof(*reg),
 355                 p54u_tx_dummy_cb, dev);
 356
 357         /*
 358          * URB_FREE_BUFFER triggers a code path in the USB subsystem that will
 359          * free what is inside the transfer_buffer after the last reference to
 360          * the int_urb is dropped.
 361          */
 362         int_urb->transfer_flags |= URB_FREE_BUFFER | URB_ZERO_PACKET;
 363         reg = NULL;
 364
 365         usb_fill_bulk_urb(data_urb, priv->udev,
 366                           usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA),
 367                           hdr, skb->len + sizeof(*hdr), FREE_AFTER_TX(skb) ?
 368                           p54u_tx_cb : p54u_tx_dummy_cb, skb);
 369         data_urb->transfer_flags |= URB_ZERO_PACKET;
 370
 371         usb_anchor_urb(int_urb, &priv->submitted);
 372         err = usb_submit_urb(int_urb, GFP_ATOMIC);
 373         if (err) {
 374                 usb_unanchor_urb(int_urb);
 375                 goto out;
 376         }
 377
 378         usb_anchor_urb(data_urb, &priv->submitted);
 379         err = usb_submit_urb(data_urb, GFP_ATOMIC);
 380         if (err) {
 381                 usb_unanchor_urb(data_urb);
 382                 goto out;
 383         }
 384 out:
 385         usb_free_urb(int_urb);
 386         usb_free_urb(data_urb);
 387
 388         if (err) {
 389                 kfree(reg);
 390                 p54_free_skb(dev, skb);
 391         }
 392 }
 393
 394 static int p54u_write(struct p54u_priv *priv,
 395                       struct net2280_reg_write *buf,
 396                       enum net2280_op_type type,
 397                       __le32 addr, __le32 val)
 398 {
 399         unsigned int ep;
 400         int alen;
 401
 402         if (type & 0x0800)
 403                 ep = usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV);
 404         else
 405                 ep = usb_sndbulkpipe(priv->udev, P54U_PIPE_BRG);
 406
 407         buf->port = cpu_to_le16(type);
 408         buf->addr = addr;
 409         buf->val = val;
 410
 411         return usb_bulk_msg(priv->udev, ep, buf, sizeof(*buf), &alen, 1000);
 412 }
 413
 414 static int p54u_read(struct p54u_priv *priv, void *buf,
 415                      enum net2280_op_type type,
 416                      __le32 addr, __le32 *val)
 417 {
 418         struct net2280_reg_read *read = buf;
 419         __le32 *reg = buf;
 420         unsigned int ep;
 421         int alen, err;
 422
 423         if (type & 0x0800)
 424                 ep = P54U_PIPE_DEV;
 425         else
 426                 ep = P54U_PIPE_BRG;
 427
 428         read->port = cpu_to_le16(type);
 429         read->addr = addr;
 430
 431         err = usb_bulk_msg(priv->udev, usb_sndbulkpipe(priv->udev, ep),
 432                            read, sizeof(*read), &alen, 1000);
 433         if (err)
 434                 return err;
 435
 436         err = usb_bulk_msg(priv->udev, usb_rcvbulkpipe(priv->udev, ep),
 437                            reg, sizeof(*reg), &alen, 1000);
 438         if (err)
 439                 return err;
 440
 441         *val = *reg;
 442         return 0;
 443 }
 444
 445 static int p54u_bulk_msg(struct p54u_priv *priv, unsigned int ep,
 446                          void *data, size_t len)
 447 {
 448         int alen;
 449         return usb_bulk_msg(priv->udev, usb_sndbulkpipe(priv->udev, ep),
 450                             data, len, &alen, 2000);
 451 }
 452
 453 static int p54u_device_reset(struct ieee80211_hw *dev)
 454 {
 455         struct p54u_priv *priv = dev->priv;
 456         int ret, lock = (priv->intf->condition != USB_INTERFACE_BINDING);
 457
 458         if (lock) {
 459                 ret = usb_lock_device_for_reset(priv->udev, priv->intf);
 460                 if (ret < 0) {
 461                         dev_err(&priv->udev->dev, "(p54usb) unable to lock "
 462                                 "device for reset (%d)!\n", ret);
 463                         return ret;
 464                 }
 465         }
 466
 467         ret = usb_reset_device(priv->udev);
 468         if (lock)
 469                 usb_unlock_device(priv->udev);
 470
 471         if (ret)
 472                 dev_err(&priv->udev->dev, "(p54usb) unable to reset "
 473                         "device (%d)!\n", ret);
 474
 475         return ret;
 476 }
 477
 478 static const char p54u_romboot_3887[] = "~~~~";
 479 static int p54u_firmware_reset_3887(struct ieee80211_hw *dev)
 480 {
 481         struct p54u_priv *priv = dev->priv;
 482         u8 *buf;
 483         int ret;
 484
 485         buf = kmemdup(p54u_romboot_3887, 4, GFP_KERNEL);
 486         if (!buf)
 487                 return -ENOMEM;
 488         ret = p54u_bulk_msg(priv, P54U_PIPE_DATA,
 489                             buf, 4);
 490         kfree(buf);
 491         if (ret)
 492                 dev_err(&priv->udev->dev, "(p54usb) unable to jump to "
 493                         "boot ROM (%d)!\n", ret);
 494
 495         return ret;
 496 }
 497
 498 static const char p54u_firmware_upload_3887[] = "<\r";
 499 static int p54u_upload_firmware_3887(struct ieee80211_hw *dev)
 500 {
 501         struct p54u_priv *priv = dev->priv;
 502         int err, alen;
 503         u8 carry = 0;
 504         u8 *buf, *tmp;
 505         const u8 *data;
 506         unsigned int left, remains, block_size;
 507         struct x2_header *hdr;
 508         unsigned long timeout;
 509
 510         err = p54u_firmware_reset_3887(dev);
 511         if (err)
 512                 return err;
 513
 514         tmp = buf = kmalloc(P54U_FW_BLOCK, GFP_KERNEL);
 515         if (!buf)
 516                 return -ENOMEM;
 517
 518         left = block_size = min_t(size_t, P54U_FW_BLOCK, priv->fw->size);
 519         strcpy(buf, p54u_firmware_upload_3887);
 520         left -= strlen(p54u_firmware_upload_3887);
 521         tmp += strlen(p54u_firmware_upload_3887);
 522
 523         data = priv->fw->data;
 524         remains = priv->fw->size;
 525
 526         hdr = (struct x2_header *)(buf + strlen(p54u_firmware_upload_3887));
 527         memcpy(hdr->signature, X2_SIGNATURE, X2_SIGNATURE_SIZE);
 528         hdr->fw_load_addr = cpu_to_le32(ISL38XX_DEV_FIRMWARE_ADDR);
 529         hdr->fw_length = cpu_to_le32(priv->fw->size);
 530         hdr->crc = cpu_to_le32(~crc32_le(~0, (void *)&hdr->fw_load_addr,
 531                                          sizeof(u32)*2));
 532         left -= sizeof(*hdr);
 533         tmp += sizeof(*hdr);
 534
 535         while (remains) {
 536                 while (left--) {
 537                         if (carry) {
 538                                 *tmp++ = carry;
 539                                 carry = 0;
 540                                 remains--;
 541                                 continue;
 542                         }
 543                         switch (*data) {
 544                         case '~':
 545                                 *tmp++ = '}';
 546                                 carry = '^';
 547                                 break;
 548                         case '}':
 549                                 *tmp++ = '}';
 550                                 carry = ']';
 551                                 break;
 552                         default:
 553                                 *tmp++ = *data;
 554                                 remains--;
 555                                 break;
 556                         }
 557                         data++;
 558                 }
 559
 560                 err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, block_size);
 561                 if (err) {
 562                         dev_err(&priv->udev->dev, "(p54usb) firmware "
 563                                                   "upload failed!\n");
 564                         goto err_upload_failed;
 565                 }
 566
 567                 tmp = buf;
 568                 left = block_size = min((unsigned int)P54U_FW_BLOCK, remains);
 569         }
 570
 571         *((__le32 *)buf) = cpu_to_le32(~crc32_le(~0, priv->fw->data,
 572                                                  priv->fw->size));
 573         err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, sizeof(u32));
 574         if (err) {
 575                 dev_err(&priv->udev->dev, "(p54usb) firmware upload failed!\n");
 576                 goto err_upload_failed;
 577         }
 578         timeout = jiffies + msecs_to_jiffies(1000);
 579         while (!(err = usb_bulk_msg(priv->udev,
 580                 usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), buf, 128, &alen, 1000))) {
 581                 if (alen > 2 && !memcmp(buf, "OK", 2))
 582                         break;
 583
 584                 if (alen > 5 && !memcmp(buf, "ERROR", 5)) {
 585                         err = -EINVAL;
 586                         break;
 587                 }
 588
 589                 if (time_after(jiffies, timeout)) {
 590                         dev_err(&priv->udev->dev, "(p54usb) firmware boot "
 591                                                   "timed out!\n");
 592                         err = -ETIMEDOUT;
 593                         break;
 594                 }
 595         }
 596         if (err) {
 597                 dev_err(&priv->udev->dev, "(p54usb) firmware upload failed!\n");
 598                 goto err_upload_failed;
 599         }
 600
 601         buf[0] = 'g';
 602         buf[1] = '\r';
 603         err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, 2);
 604         if (err) {
 605                 dev_err(&priv->udev->dev, "(p54usb) firmware boot failed!\n");
 606                 goto err_upload_failed;
 607         }
 608
 609         timeout = jiffies + msecs_to_jiffies(1000);
 610         while (!(err = usb_bulk_msg(priv->udev,
 611                 usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), buf, 128, &alen, 1000))) {
 612                 if (alen > 0 && buf[0] == 'g')
 613                         break;
 614
 615                 if (time_after(jiffies, timeout)) {
 616                         err = -ETIMEDOUT;
 617                         break;
 618                 }
 619         }
 620         if (err)
 621                 goto err_upload_failed;
 622
 623 err_upload_failed:
 624         kfree(buf);
 625         return err;
 626 }
 627
 628 static int p54u_upload_firmware_net2280(struct ieee80211_hw *dev)
 629 {
 630         struct p54u_priv *priv = dev->priv;
 631         const struct p54p_csr *devreg = (const struct p54p_csr *) P54U_DEV_BASE;
 632         int err, alen;
 633         void *buf;
 634         __le32 reg;
 635         unsigned int remains, offset;
 636         const u8 *data;
 637
 638         buf = kmalloc(512, GFP_KERNEL);
 639         if (!buf)
 640                 return -ENOMEM;
 641
 642 #define P54U_WRITE(type, addr, data) \
 643         do {\
 644                 err = p54u_write(priv, buf, type,\
 645                                  cpu_to_le32((u32)(unsigned long)addr), data);\
 646                 if (err) \
 647                         goto fail;\
 648         } while (0)
 649
 650 #define P54U_READ(type, addr) \
 651         do {\
 652                 err = p54u_read(priv, buf, type,\
 653                                 cpu_to_le32((u32)(unsigned long)addr), &reg);\
 654                 if (err)\
 655                         goto fail;\
 656         } while (0)
 657
 658         /* power down net2280 bridge */
 659         P54U_READ(NET2280_BRG_U32, NET2280_GPIOCTL);
 660         reg |= cpu_to_le32(P54U_BRG_POWER_DOWN);
 661         reg &= cpu_to_le32(~P54U_BRG_POWER_UP);
 662         P54U_WRITE(NET2280_BRG_U32, NET2280_GPIOCTL, reg);
 663
 664         mdelay(100);
 665
 666         /* power up bridge */
 667         reg |= cpu_to_le32(P54U_BRG_POWER_UP);
 668         reg &= cpu_to_le32(~P54U_BRG_POWER_DOWN);
 669         P54U_WRITE(NET2280_BRG_U32, NET2280_GPIOCTL, reg);
 670
 671         mdelay(100);
 672
 673         P54U_WRITE(NET2280_BRG_U32, NET2280_DEVINIT,
 674                    cpu_to_le32(NET2280_CLK_30Mhz |
 675                                NET2280_PCI_ENABLE |
 676                                NET2280_PCI_SOFT_RESET));
 677
 678         mdelay(20);
 679
 680         P54U_WRITE(NET2280_BRG_CFG_U16, PCI_COMMAND,
 681                    cpu_to_le32(PCI_COMMAND_MEMORY |
 682                                PCI_COMMAND_MASTER));
 683
 684         P54U_WRITE(NET2280_BRG_CFG_U32, PCI_BASE_ADDRESS_0,
 685                    cpu_to_le32(NET2280_BASE));
 686
 687         P54U_READ(NET2280_BRG_CFG_U16, PCI_STATUS);
 688         reg |= cpu_to_le32(PCI_STATUS_REC_MASTER_ABORT);
 689         P54U_WRITE(NET2280_BRG_CFG_U16, PCI_STATUS, reg);
 690
 691         // TODO: we really need this?
 692         P54U_READ(NET2280_BRG_U32, NET2280_RELNUM);
 693
 694         P54U_WRITE(NET2280_BRG_U32, NET2280_EPA_RSP,
 695                    cpu_to_le32(NET2280_CLEAR_NAK_OUT_PACKETS_MODE));
 696         P54U_WRITE(NET2280_BRG_U32, NET2280_EPC_RSP,
 697                    cpu_to_le32(NET2280_CLEAR_NAK_OUT_PACKETS_MODE));
 698
 699         P54U_WRITE(NET2280_BRG_CFG_U32, PCI_BASE_ADDRESS_2,
 700                    cpu_to_le32(NET2280_BASE2));
 701
 702         /* finally done setting up the bridge */
 703
 704         P54U_WRITE(NET2280_DEV_CFG_U16, 0x10000 | PCI_COMMAND,
 705                    cpu_to_le32(PCI_COMMAND_MEMORY |
 706                                PCI_COMMAND_MASTER));
 707
 708         P54U_WRITE(NET2280_DEV_CFG_U16, 0x10000 | 0x40 /* TRDY timeout */, 0);
 709         P54U_WRITE(NET2280_DEV_CFG_U32, 0x10000 | PCI_BASE_ADDRESS_0,
 710                    cpu_to_le32(P54U_DEV_BASE));
 711
 712         P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1, 0);
 713         P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1,
 714                    cpu_to_le32(NET2280_PCI_INTA_INTERRUPT));
 715
 716         /* do romboot */
 717         P54U_WRITE(NET2280_DEV_U32, &devreg->int_enable, 0);
 718
 719         P54U_READ(NET2280_DEV_U32, &devreg->ctrl_stat);
 720         reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
 721         reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RAMBOOT);
 722         reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_CLKRUN);
 723         P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
 724
 725         mdelay(20);
 726
 727         reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RESET);
 728         P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
 729
 730         mdelay(20);
 731
 732         reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
 733         P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
 734
 735         mdelay(100);
 736
 737         P54U_READ(NET2280_DEV_U32, &devreg->int_ident);
 738         P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg);
 739
 740         /* finally, we can upload firmware now! */
 741         remains = priv->fw->size;
 742         data = priv->fw->data;
 743         offset = ISL38XX_DEV_FIRMWARE_ADDR;
 744
 745         while (remains) {
 746                 unsigned int block_len = min(remains, (unsigned int)512);
 747                 memcpy(buf, data, block_len);
 748
 749                 err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, block_len);
 750                 if (err) {
 751                         dev_err(&priv->udev->dev, "(p54usb) firmware block "
 752                                                   "upload failed\n");
 753                         goto fail;
 754                 }
 755
 756                 P54U_WRITE(NET2280_DEV_U32, &devreg->direct_mem_base,
 757                            cpu_to_le32(0xc0000f00));
 758
 759                 P54U_WRITE(NET2280_DEV_U32,
 760                            0x0020 | (unsigned long)&devreg->direct_mem_win, 0);
 761                 P54U_WRITE(NET2280_DEV_U32,
 762                            0x0020 | (unsigned long)&devreg->direct_mem_win,
 763                            cpu_to_le32(1));
 764
 765                 P54U_WRITE(NET2280_DEV_U32,
 766                            0x0024 | (unsigned long)&devreg->direct_mem_win,
 767                            cpu_to_le32(block_len));
 768                 P54U_WRITE(NET2280_DEV_U32,
 769                            0x0028 | (unsigned long)&devreg->direct_mem_win,
 770                            cpu_to_le32(offset));
 771
 772                 P54U_WRITE(NET2280_DEV_U32, &devreg->dma_addr,
 773                            cpu_to_le32(NET2280_EPA_FIFO_PCI_ADDR));
 774                 P54U_WRITE(NET2280_DEV_U32, &devreg->dma_len,
 775                            cpu_to_le32(block_len >> 2));
 776                 P54U_WRITE(NET2280_DEV_U32, &devreg->dma_ctrl,
 777                            cpu_to_le32(ISL38XX_DMA_MASTER_CONTROL_TRIGGER));
 778
 779                 mdelay(10);
 780
 781                 P54U_READ(NET2280_DEV_U32,
 782                           0x002C | (unsigned long)&devreg->direct_mem_win);
 783                 if (!(reg & cpu_to_le32(ISL38XX_DMA_STATUS_DONE)) ||
 784                     !(reg & cpu_to_le32(ISL38XX_DMA_STATUS_READY))) {
 785                         dev_err(&priv->udev->dev, "(p54usb) firmware DMA "
 786                                                   "transfer failed\n");
 787                         goto fail;
 788                 }
 789
 790                 P54U_WRITE(NET2280_BRG_U32, NET2280_EPA_STAT,
 791                            cpu_to_le32(NET2280_FIFO_FLUSH));
 792
 793                 remains -= block_len;
 794                 data += block_len;
 795                 offset += block_len;
 796         }
 797
 798         /* do ramboot */
 799         P54U_READ(NET2280_DEV_U32, &devreg->ctrl_stat);
 800         reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
 801         reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_CLKRUN);
 802         reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RAMBOOT);
 803         P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
 804
 805         mdelay(20);
 806
 807         reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RESET);
 808         P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
 809
 810         reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET);
 811         P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg);
 812
 813         mdelay(100);
 814
 815         P54U_READ(NET2280_DEV_U32, &devreg->int_ident);
 816         P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg);
 817
 818         /* start up the firmware */
 819         P54U_WRITE(NET2280_DEV_U32, &devreg->int_enable,
 820                    cpu_to_le32(ISL38XX_INT_IDENT_INIT));
 821
 822         P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1,
 823                    cpu_to_le32(NET2280_PCI_INTA_INTERRUPT));
 824
 825         P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1,
 826                    cpu_to_le32(NET2280_PCI_INTA_INTERRUPT_ENABLE |
 827                                NET2280_USB_INTERRUPT_ENABLE));
 828
 829         P54U_WRITE(NET2280_DEV_U32, &devreg->dev_int,
 830                    cpu_to_le32(ISL38XX_DEV_INT_RESET));
 831
 832         err = usb_interrupt_msg(priv->udev,
 833                                 usb_rcvbulkpipe(priv->udev, P54U_PIPE_INT),
 834                                 buf, sizeof(__le32), &alen, 1000);
 835         if (err || alen != sizeof(__le32))
 836                 goto fail;
 837
 838         P54U_READ(NET2280_DEV_U32, &devreg->int_ident);
 839         P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg);
 840
 841         if (!(reg & cpu_to_le32(ISL38XX_INT_IDENT_INIT)))
 842                 err = -EINVAL;
 843
 844         P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1, 0);
 845         P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1,
 846                    cpu_to_le32(NET2280_PCI_INTA_INTERRUPT));
 847
 848 #undef P54U_WRITE
 849 #undef P54U_READ
 850
 851 fail:
 852         kfree(buf);
 853         return err;
 854 }
 855
 856 static int p54_find_type(struct p54u_priv *priv)
 857 {
 858         int i;
 859
 860         for (i = 0; i < __NUM_P54U_HWTYPES; i++)
 861                 if (p54u_fwlist[i].type == priv->hw_type)
 862                         break;
 863         if (i == __NUM_P54U_HWTYPES)
 864                 return -EOPNOTSUPP;
 865
 866         return i;
 867 }
 868
 869 static int p54u_start_ops(struct p54u_priv *priv)
 870 {
 871         struct ieee80211_hw *dev = priv->common.hw;
 872         int ret;
 873
 874         ret = p54_parse_firmware(dev, priv->fw);
 875         if (ret)
 876                 goto err_out;
 877
 878         ret = p54_find_type(priv);
 879         if (ret < 0)
 880                 goto err_out;
 881
 882         if (priv->common.fw_interface != p54u_fwlist[ret].intf) {
 883                 dev_err(&priv->udev->dev, "wrong firmware, please get "
 884                         "a firmware for \"%s\" and try again.\n",
 885                         p54u_fwlist[ret].hw);
 886                 ret = -ENODEV;
 887                 goto err_out;
 888         }
 889
 890         ret = priv->upload_fw(dev);
 891         if (ret)
 892                 goto err_out;
 893
 894         ret = p54u_open(dev);
 895         if (ret)
 896                 goto err_out;
 897
 898         ret = p54_read_eeprom(dev);
 899         if (ret)
 900                 goto err_stop;
 901
 902         p54u_stop(dev);
 903
 904         ret = p54_register_common(dev, &priv->udev->dev);
 905         if (ret)
 906                 goto err_stop;
 907
 908         return 0;
 909
 910 err_stop:
 911         p54u_stop(dev);
 912
 913 err_out:
 914         /*
 915          * p54u_disconnect will do the rest of the
 916          * cleanup
 917          */
 918         return ret;
 919 }
 920
 921 static void p54u_load_firmware_cb(const struct firmware *firmware,
 922                                   void *context)
 923 {
 924         struct p54u_priv *priv = context;
 925         struct usb_device *udev = priv->udev;
 926         struct usb_interface *intf = priv->intf;
 927         int err;
 928
 929         if (firmware) {
 930                 priv->fw = firmware;
 931                 err = p54u_start_ops(priv);
 932         } else {
 933                 err = -ENOENT;
 934                 dev_err(&udev->dev, "Firmware not found.\n");
 935         }
 936
 937         complete(&priv->fw_wait_load);
 938         /*
 939          * At this point p54u_disconnect may have already freed
 940          * the "priv" context. Do not use it anymore!
 941          */
 942         priv = NULL;
 943
 944         if (err) {
 945                 dev_err(&intf->dev, "failed to initialize device (%d)\n", err);
 946
 947                 usb_lock_device(udev);
 948                 usb_driver_release_interface(&p54u_driver, intf);
 949                 usb_unlock_device(udev);
 950         }
 951
 952         usb_put_intf(intf);
 953 }
 954
 955 static int p54u_load_firmware(struct ieee80211_hw *dev,
 956                               struct usb_interface *intf)
 957 {
 958         struct usb_device *udev = interface_to_usbdev(intf);
 959         struct p54u_priv *priv = dev->priv;
 960         struct device *device = &udev->dev;
 961         int err, i;
 962
 963         BUILD_BUG_ON(ARRAY_SIZE(p54u_fwlist) != __NUM_P54U_HWTYPES);
 964
 965         init_completion(&priv->fw_wait_load);
 966         i = p54_find_type(priv);
 967         if (i < 0)
 968                 return i;
 969
 970         dev_info(&priv->udev->dev, "Loading firmware file %s\n",
 971                p54u_fwlist[i].fw);
 972
 973         usb_get_intf(intf);
 974         err = reject_firmware_nowait(THIS_MODULE, 1, p54u_fwlist[i].fw,
 975                                       device, GFP_KERNEL, priv,
 976                                       p54u_load_firmware_cb);
 977         if (err) {
 978                 dev_err(&priv->udev->dev, "(p54usb) cannot load firmware %s "
 979                                           "(%d)!\n", p54u_fwlist[i].fw, err);
 980                 usb_put_intf(intf);
 981         }
 982
 983         return err;
 984 }
 985
 986 static int p54u_probe(struct usb_interface *intf,
 987                                 const struct usb_device_id *id)
 988 {
 989         struct usb_device *udev = interface_to_usbdev(intf);
 990         struct ieee80211_hw *dev;
 991         struct p54u_priv *priv;
 992         int err;
 993         unsigned int i, recognized_pipes;
 994
 995         dev = p54_init_common(sizeof(*priv));
 996
 997         if (!dev) {
 998                 dev_err(&udev->dev, "(p54usb) ieee80211 alloc failed\n");
 999                 return -ENOMEM;
1000         }
1001
1002         priv = dev->priv;
1003         priv->hw_type = P54U_INVALID_HW;
1004
1005         SET_IEEE80211_DEV(dev, &intf->dev);
1006         usb_set_intfdata(intf, dev);
1007         priv->udev = udev;
1008         priv->intf = intf;
1009         skb_queue_head_init(&priv->rx_queue);
1010         init_usb_anchor(&priv->submitted);
1011
1012         /* really lazy and simple way of figuring out if we're a 3887 */
1013         /* TODO: should just stick the identification in the device table */
1014         i = intf->altsetting->desc.bNumEndpoints;
1015         recognized_pipes = 0;
1016         while (i--) {
1017                 switch (intf->altsetting->endpoint[i].desc.bEndpointAddress) {
1018                 case P54U_PIPE_DATA:
1019                 case P54U_PIPE_MGMT:
1020                 case P54U_PIPE_BRG:
1021                 case P54U_PIPE_DEV:
1022                 case P54U_PIPE_DATA | USB_DIR_IN:
1023                 case P54U_PIPE_MGMT | USB_DIR_IN:
1024                 case P54U_PIPE_BRG | USB_DIR_IN:
1025                 case P54U_PIPE_DEV | USB_DIR_IN:
1026                 case P54U_PIPE_INT | USB_DIR_IN:
1027                         recognized_pipes++;
1028                 }
1029         }
1030         priv->common.open = p54u_open;
1031         priv->common.stop = p54u_stop;
1032         if (recognized_pipes < P54U_PIPE_NUMBER) {
1033 #ifdef CONFIG_PM
1034                 /* ISL3887 needs a full reset on resume */
1035                 udev->reset_resume = 1;
1036 #endif /* CONFIG_PM */
1037                 err = p54u_device_reset(dev);
1038
1039                 priv->hw_type = P54U_3887;
1040                 dev->extra_tx_headroom += sizeof(struct lm87_tx_hdr);
1041                 priv->common.tx_hdr_len = sizeof(struct lm87_tx_hdr);
1042                 priv->common.tx = p54u_tx_lm87;
1043                 priv->upload_fw = p54u_upload_firmware_3887;
1044         } else {
1045                 priv->hw_type = P54U_NET2280;
1046                 dev->extra_tx_headroom += sizeof(struct net2280_tx_hdr);
1047                 priv->common.tx_hdr_len = sizeof(struct net2280_tx_hdr);
1048                 priv->common.tx = p54u_tx_net2280;
1049                 priv->upload_fw = p54u_upload_firmware_net2280;
1050         }
1051         err = p54u_load_firmware(dev, intf);
1052         if (err)
1053                 p54_free_common(dev);
1054         return err;
1055 }
1056
1057 static void p54u_disconnect(struct usb_interface *intf)
1058 {
1059         struct ieee80211_hw *dev = usb_get_intfdata(intf);
1060         struct p54u_priv *priv;
1061
1062         if (!dev)
1063                 return;
1064
1065         priv = dev->priv;
1066         wait_for_completion(&priv->fw_wait_load);
1067         p54_unregister_common(dev);
1068
1069         release_firmware(priv->fw);
1070         p54_free_common(dev);
1071 }
1072
1073 static int p54u_pre_reset(struct usb_interface *intf)
1074 {
1075         struct ieee80211_hw *dev = usb_get_intfdata(intf);
1076
1077         if (!dev)
1078                 return -ENODEV;
1079
1080         p54u_stop(dev);
1081         return 0;
1082 }
1083
1084 static int p54u_resume(struct usb_interface *intf)
1085 {
1086         struct ieee80211_hw *dev = usb_get_intfdata(intf);
1087         struct p54u_priv *priv;
1088
1089         if (!dev)
1090                 return -ENODEV;
1091
1092         priv = dev->priv;
1093         if (unlikely(!(priv->upload_fw && priv->fw)))
1094                 return 0;
1095
1096         return priv->upload_fw(dev);
1097 }
1098
1099 static int p54u_post_reset(struct usb_interface *intf)
1100 {
1101         struct ieee80211_hw *dev = usb_get_intfdata(intf);
1102         struct p54u_priv *priv;
1103         int err;
1104
1105         err = p54u_resume(intf);
1106         if (err)
1107                 return err;
1108
1109         /* reinitialize old device state */
1110         priv = dev->priv;
1111         if (priv->common.mode != NL80211_IFTYPE_UNSPECIFIED)
1112                 ieee80211_restart_hw(dev);
1113
1114         return 0;
1115 }
1116
1117 #ifdef CONFIG_PM
1118
1119 static int p54u_suspend(struct usb_interface *intf, pm_message_t message)
1120 {
1121         return p54u_pre_reset(intf);
1122 }
1123
1124 #endif /* CONFIG_PM */
1125
1126 static struct usb_driver p54u_driver = {
1127         .name   = "p54usb",
1128         .id_table = p54u_table,
1129         .probe = p54u_probe,
1130         .disconnect = p54u_disconnect,
1131         .pre_reset = p54u_pre_reset,
1132         .post_reset = p54u_post_reset,
1133 #ifdef CONFIG_PM
1134         .suspend = p54u_suspend,
1135         .resume = p54u_resume,
1136         .reset_resume = p54u_resume,
1137 #endif /* CONFIG_PM */
1138         .soft_unbind = 1,
1139         .disable_hub_initiated_lpm = 1,
1140 };
1141
1142 module_usb_driver(p54u_driver);