drivers/net/wireless/rt2x00/rt2500usb.c

   1 /*
   2         Copyright (C) 2004 - 2008 rt2x00 SourceForge Project
   3         <http://rt2x00.serialmonkey.com>
   4
   5         This program is free software; you can redistribute it and/or modify
   6         it under the terms of the GNU General Public License as published by
   7         the Free Software Foundation; either version 2 of the License, or
   8         (at your option) any later version.
   9
  10         This program is distributed in the hope that it will be useful,
  11         but WITHOUT ANY WARRANTY; without even the implied warranty of
  12         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13         GNU General Public License for more details.
  14
  15         You should have received a copy of the GNU General Public License
  16         along with this program; if not, write to the
  17         Free Software Foundation, Inc.,
  18         59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 /*
  22         Module: rt2500usb
  23         Abstract: rt2500usb device specific routines.
  24         Supported chipsets: RT2570.
  25  */
  26
  27 #include <linux/delay.h>
  28 #include <linux/etherdevice.h>
  29 #include <linux/init.h>
  30 #include <linux/kernel.h>
  31 #include <linux/module.h>
  32 #include <linux/usb.h>
  33
  34 #include "rt2x00.h"
  35 #include "rt2x00usb.h"
  36 #include "rt2500usb.h"
  37
  38 /*
  39  * Register access.
  40  * All access to the CSR registers will go through the methods
  41  * rt2500usb_register_read and rt2500usb_register_write.
  42  * BBP and RF register require indirect register access,
  43  * and use the CSR registers BBPCSR and RFCSR to achieve this.
  44  * These indirect registers work with busy bits,
  45  * and we will try maximal REGISTER_BUSY_COUNT times to access
  46  * the register while taking a REGISTER_BUSY_DELAY us delay
  47  * between each attampt. When the busy bit is still set at that time,
  48  * the access attempt is considered to have failed,
  49  * and we will print an error.
  50  * If the usb_cache_mutex is already held then the _lock variants must
  51  * be used instead.
  52  */
  53 static inline void rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
  54                                            const unsigned int offset,
  55                                            u16 *value)
  56 {
  57         __le16 reg;
  58         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
  59                                       USB_VENDOR_REQUEST_IN, offset,
  60                                       &reg, sizeof(u16), REGISTER_TIMEOUT);
  61         *value = le16_to_cpu(reg);
  62 }
  63
  64 static inline void rt2500usb_register_read_lock(struct rt2x00_dev *rt2x00dev,
  65                                                 const unsigned int offset,
  66                                                 u16 *value)
  67 {
  68         __le16 reg;
  69         rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ,
  70                                        USB_VENDOR_REQUEST_IN, offset,
  71                                        &reg, sizeof(u16), REGISTER_TIMEOUT);
  72         *value = le16_to_cpu(reg);
  73 }
  74
  75 static inline void rt2500usb_register_multiread(struct rt2x00_dev *rt2x00dev,
  76                                                 const unsigned int offset,
  77                                                 void *value, const u16 length)
  78 {
  79         int timeout = REGISTER_TIMEOUT * (length / sizeof(u16));
  80         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
  81                                       USB_VENDOR_REQUEST_IN, offset,
  82                                       value, length, timeout);
  83 }
  84
  85 static inline void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
  86                                             const unsigned int offset,
  87                                             u16 value)
  88 {
  89         __le16 reg = cpu_to_le16(value);
  90         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
  91                                       USB_VENDOR_REQUEST_OUT, offset,
  92                                       &reg, sizeof(u16), REGISTER_TIMEOUT);
  93 }
  94
  95 static inline void rt2500usb_register_write_lock(struct rt2x00_dev *rt2x00dev,
  96                                                  const unsigned int offset,
  97                                                  u16 value)
  98 {
  99         __le16 reg = cpu_to_le16(value);
 100         rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_WRITE,
 101                                        USB_VENDOR_REQUEST_OUT, offset,
 102                                        &reg, sizeof(u16), REGISTER_TIMEOUT);
 103 }
 104
 105 static inline void rt2500usb_register_multiwrite(struct rt2x00_dev *rt2x00dev,
 106                                                  const unsigned int offset,
 107                                                  void *value, const u16 length)
 108 {
 109         int timeout = REGISTER_TIMEOUT * (length / sizeof(u16));
 110         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
 111                                       USB_VENDOR_REQUEST_OUT, offset,
 112                                       value, length, timeout);
 113 }
 114
 115 static u16 rt2500usb_bbp_check(struct rt2x00_dev *rt2x00dev)
 116 {
 117         u16 reg;
 118         unsigned int i;
 119
 120         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 121                 rt2500usb_register_read_lock(rt2x00dev, PHY_CSR8, &reg);
 122                 if (!rt2x00_get_field16(reg, PHY_CSR8_BUSY))
 123                         break;
 124                 udelay(REGISTER_BUSY_DELAY);
 125         }
 126
 127         return reg;
 128 }
 129
 130 static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev,
 131                                 const unsigned int word, const u8 value)
 132 {
 133         u16 reg;
 134
 135         mutex_lock(&rt2x00dev->usb_cache_mutex);
 136
 137         /*
 138          * Wait until the BBP becomes ready.
 139          */
 140         reg = rt2500usb_bbp_check(rt2x00dev);
 141         if (rt2x00_get_field16(reg, PHY_CSR8_BUSY))
 142                 goto exit_fail;
 143
 144         /*
 145          * Write the data into the BBP.
 146          */
 147         reg = 0;
 148         rt2x00_set_field16(&reg, PHY_CSR7_DATA, value);
 149         rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
 150         rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 0);
 151
 152         rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
 153
 154         mutex_unlock(&rt2x00dev->usb_cache_mutex);
 155
 156         return;
 157
 158 exit_fail:
 159         mutex_unlock(&rt2x00dev->usb_cache_mutex);
 160
 161         ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n");
 162 }
 163
 164 static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
 165                                const unsigned int word, u8 *value)
 166 {
 167         u16 reg;
 168
 169         mutex_lock(&rt2x00dev->usb_cache_mutex);
 170
 171         /*
 172          * Wait until the BBP becomes ready.
 173          */
 174         reg = rt2500usb_bbp_check(rt2x00dev);
 175         if (rt2x00_get_field16(reg, PHY_CSR8_BUSY))
 176                 goto exit_fail;
 177
 178         /*
 179          * Write the request into the BBP.
 180          */
 181         reg = 0;
 182         rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
 183         rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 1);
 184
 185         rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
 186
 187         /*
 188          * Wait until the BBP becomes ready.
 189          */
 190         reg = rt2500usb_bbp_check(rt2x00dev);
 191         if (rt2x00_get_field16(reg, PHY_CSR8_BUSY))
 192                 goto exit_fail;
 193
 194         rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, &reg);
 195         *value = rt2x00_get_field16(reg, PHY_CSR7_DATA);
 196
 197         mutex_unlock(&rt2x00dev->usb_cache_mutex);
 198
 199         return;
 200
 201 exit_fail:
 202         mutex_unlock(&rt2x00dev->usb_cache_mutex);
 203
 204         ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
 205         *value = 0xff;
 206 }
 207
 208 static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev,
 209                                const unsigned int word, const u32 value)
 210 {
 211         u16 reg;
 212         unsigned int i;
 213
 214         if (!word)
 215                 return;
 216
 217         mutex_lock(&rt2x00dev->usb_cache_mutex);
 218
 219         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 220                 rt2500usb_register_read_lock(rt2x00dev, PHY_CSR10, &reg);
 221                 if (!rt2x00_get_field16(reg, PHY_CSR10_RF_BUSY))
 222                         goto rf_write;
 223                 udelay(REGISTER_BUSY_DELAY);
 224         }
 225
 226         mutex_unlock(&rt2x00dev->usb_cache_mutex);
 227         ERROR(rt2x00dev, "PHY_CSR10 register busy. Write failed.\n");
 228         return;
 229
 230 rf_write:
 231         reg = 0;
 232         rt2x00_set_field16(&reg, PHY_CSR9_RF_VALUE, value);
 233         rt2500usb_register_write_lock(rt2x00dev, PHY_CSR9, reg);
 234
 235         reg = 0;
 236         rt2x00_set_field16(&reg, PHY_CSR10_RF_VALUE, value >> 16);
 237         rt2x00_set_field16(&reg, PHY_CSR10_RF_NUMBER_OF_BITS, 20);
 238         rt2x00_set_field16(&reg, PHY_CSR10_RF_IF_SELECT, 0);
 239         rt2x00_set_field16(&reg, PHY_CSR10_RF_BUSY, 1);
 240
 241         rt2500usb_register_write_lock(rt2x00dev, PHY_CSR10, reg);
 242         rt2x00_rf_write(rt2x00dev, word, value);
 243
 244         mutex_unlock(&rt2x00dev->usb_cache_mutex);
 245 }
 246
 247 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 248 #define CSR_OFFSET(__word)      ( CSR_REG_BASE + ((__word) * sizeof(u16)) )
 249
 250 static void rt2500usb_read_csr(struct rt2x00_dev *rt2x00dev,
 251                                const unsigned int word, u32 *data)
 252 {
 253         rt2500usb_register_read(rt2x00dev, CSR_OFFSET(word), (u16 *) data);
 254 }
 255
 256 static void rt2500usb_write_csr(struct rt2x00_dev *rt2x00dev,
 257                                 const unsigned int word, u32 data)
 258 {
 259         rt2500usb_register_write(rt2x00dev, CSR_OFFSET(word), data);
 260 }
 261
 262 static const struct rt2x00debug rt2500usb_rt2x00debug = {
 263         .owner  = THIS_MODULE,
 264         .csr    = {
 265                 .read           = rt2500usb_read_csr,
 266                 .write          = rt2500usb_write_csr,
 267                 .word_size      = sizeof(u16),
 268                 .word_count     = CSR_REG_SIZE / sizeof(u16),
 269         },
 270         .eeprom = {
 271                 .read           = rt2x00_eeprom_read,
 272                 .write          = rt2x00_eeprom_write,
 273                 .word_size      = sizeof(u16),
 274                 .word_count     = EEPROM_SIZE / sizeof(u16),
 275         },
 276         .bbp    = {
 277                 .read           = rt2500usb_bbp_read,
 278                 .write          = rt2500usb_bbp_write,
 279                 .word_size      = sizeof(u8),
 280                 .word_count     = BBP_SIZE / sizeof(u8),
 281         },
 282         .rf     = {
 283                 .read           = rt2x00_rf_read,
 284                 .write          = rt2500usb_rf_write,
 285                 .word_size      = sizeof(u32),
 286                 .word_count     = RF_SIZE / sizeof(u32),
 287         },
 288 };
 289 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 290
 291 #ifdef CONFIG_RT2500USB_LEDS
 292 static void rt2500usb_brightness_set(struct led_classdev *led_cdev,
 293                                      enum led_brightness brightness)
 294 {
 295         struct rt2x00_led *led =
 296             container_of(led_cdev, struct rt2x00_led, led_dev);
 297         unsigned int enabled = brightness != LED_OFF;
 298         u16 reg;
 299
 300         rt2500usb_register_read(led->rt2x00dev, MAC_CSR20, &reg);
 301
 302         if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC)
 303                 rt2x00_set_field16(&reg, MAC_CSR20_LINK, enabled);
 304         else if (led->type == LED_TYPE_ACTIVITY)
 305                 rt2x00_set_field16(&reg, MAC_CSR20_ACTIVITY, enabled);
 306
 307         rt2500usb_register_write(led->rt2x00dev, MAC_CSR20, reg);
 308 }
 309
 310 static int rt2500usb_blink_set(struct led_classdev *led_cdev,
 311                                unsigned long *delay_on,
 312                                unsigned long *delay_off)
 313 {
 314         struct rt2x00_led *led =
 315             container_of(led_cdev, struct rt2x00_led, led_dev);
 316         u16 reg;
 317
 318         rt2500usb_register_read(led->rt2x00dev, MAC_CSR21, &reg);
 319         rt2x00_set_field16(&reg, MAC_CSR21_ON_PERIOD, *delay_on);
 320         rt2x00_set_field16(&reg, MAC_CSR21_OFF_PERIOD, *delay_off);
 321         rt2500usb_register_write(led->rt2x00dev, MAC_CSR21, reg);
 322
 323         return 0;
 324 }
 325 #endif /* CONFIG_RT2500USB_LEDS */
 326
 327 /*
 328  * Configuration handlers.
 329  */
 330 static void rt2500usb_config_filter(struct rt2x00_dev *rt2x00dev,
 331                                     const unsigned int filter_flags)
 332 {
 333         u16 reg;
 334
 335         /*
 336          * Start configuration steps.
 337          * Note that the version error will always be dropped
 338          * and broadcast frames will always be accepted since
 339          * there is no filter for it at this time.
 340          */
 341         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 342         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CRC,
 343                            !(filter_flags & FIF_FCSFAIL));
 344         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_PHYSICAL,
 345                            !(filter_flags & FIF_PLCPFAIL));
 346         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CONTROL,
 347                            !(filter_flags & FIF_CONTROL));
 348         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_NOT_TO_ME,
 349                            !(filter_flags & FIF_PROMISC_IN_BSS));
 350         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_TODS,
 351                            !(filter_flags & FIF_PROMISC_IN_BSS) &&
 352                            !rt2x00dev->intf_ap_count);
 353         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_VERSION_ERROR, 1);
 354         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_MULTICAST,
 355                            !(filter_flags & FIF_ALLMULTI));
 356         rt2x00_set_field16(&reg, TXRX_CSR2_DROP_BROADCAST, 0);
 357         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 358 }
 359
 360 static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
 361                                   struct rt2x00_intf *intf,
 362                                   struct rt2x00intf_conf *conf,
 363                                   const unsigned int flags)
 364 {
 365         unsigned int bcn_preload;
 366         u16 reg;
 367
 368         if (flags & CONFIG_UPDATE_TYPE) {
 369                 /*
 370                  * Enable beacon config
 371                  */
 372                 bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
 373                 rt2500usb_register_read(rt2x00dev, TXRX_CSR20, &reg);
 374                 rt2x00_set_field16(&reg, TXRX_CSR20_OFFSET, bcn_preload >> 6);
 375                 rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW,
 376                                    2 * (conf->type != IEEE80211_IF_TYPE_STA));
 377                 rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg);
 378
 379                 /*
 380                  * Enable synchronisation.
 381                  */
 382                 rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
 383                 rt2x00_set_field16(&reg, TXRX_CSR18_OFFSET, 0);
 384                 rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
 385
 386                 rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
 387                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
 388                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, conf->sync);
 389                 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
 390                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
 391         }
 392
 393         if (flags & CONFIG_UPDATE_MAC)
 394                 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, conf->mac,
 395                                               (3 * sizeof(__le16)));
 396
 397         if (flags & CONFIG_UPDATE_BSSID)
 398                 rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, conf->bssid,
 399                                               (3 * sizeof(__le16)));
 400 }
 401
 402 static void rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev,
 403                                  struct rt2x00lib_erp *erp)
 404 {
 405         u16 reg;
 406
 407         rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
 408         rt2x00_set_field16(&reg, TXRX_CSR1_ACK_TIMEOUT, erp->ack_timeout);
 409         rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
 410
 411         rt2500usb_register_read(rt2x00dev, TXRX_CSR10, &reg);
 412         rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE,
 413                            !!erp->short_preamble);
 414         rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
 415 }
 416
 417 static void rt2500usb_config_phymode(struct rt2x00_dev *rt2x00dev,
 418                                      const int basic_rate_mask)
 419 {
 420         rt2500usb_register_write(rt2x00dev, TXRX_CSR11, basic_rate_mask);
 421 }
 422
 423 static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev,
 424                                      struct rf_channel *rf, const int txpower)
 425 {
 426         /*
 427          * Set TXpower.
 428          */
 429         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 430
 431         /*
 432          * For RT2525E we should first set the channel to half band higher.
 433          */
 434         if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
 435                 static const u32 vals[] = {
 436                         0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
 437                         0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
 438                         0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
 439                         0x00000902, 0x00000906
 440                 };
 441
 442                 rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
 443                 if (rf->rf4)
 444                         rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
 445         }
 446
 447         rt2500usb_rf_write(rt2x00dev, 1, rf->rf1);
 448         rt2500usb_rf_write(rt2x00dev, 2, rf->rf2);
 449         rt2500usb_rf_write(rt2x00dev, 3, rf->rf3);
 450         if (rf->rf4)
 451                 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
 452 }
 453
 454 static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 455                                      const int txpower)
 456 {
 457         u32 rf3;
 458
 459         rt2x00_rf_read(rt2x00dev, 3, &rf3);
 460         rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 461         rt2500usb_rf_write(rt2x00dev, 3, rf3);
 462 }
 463
 464 static void rt2500usb_config_antenna(struct rt2x00_dev *rt2x00dev,
 465                                      struct antenna_setup *ant)
 466 {
 467         u8 r2;
 468         u8 r14;
 469         u16 csr5;
 470         u16 csr6;
 471
 472         /*
 473          * We should never come here because rt2x00lib is supposed
 474          * to catch this and send us the correct antenna explicitely.
 475          */
 476         BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
 477                ant->tx == ANTENNA_SW_DIVERSITY);
 478
 479         rt2500usb_bbp_read(rt2x00dev, 2, &r2);
 480         rt2500usb_bbp_read(rt2x00dev, 14, &r14);
 481         rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5);
 482         rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6);
 483
 484         /*
 485          * Configure the TX antenna.
 486          */
 487         switch (ant->tx) {
 488         case ANTENNA_HW_DIVERSITY:
 489                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1);
 490                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1);
 491                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1);
 492                 break;
 493         case ANTENNA_A:
 494                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
 495                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0);
 496                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0);
 497                 break;
 498         case ANTENNA_B:
 499         default:
 500                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
 501                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2);
 502                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2);
 503                 break;
 504         }
 505
 506         /*
 507          * Configure the RX antenna.
 508          */
 509         switch (ant->rx) {
 510         case ANTENNA_HW_DIVERSITY:
 511                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1);
 512                 break;
 513         case ANTENNA_A:
 514                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
 515                 break;
 516         case ANTENNA_B:
 517         default:
 518                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
 519                 break;
 520         }
 521
 522         /*
 523          * RT2525E and RT5222 need to flip TX I/Q
 524          */
 525         if (rt2x00_rf(&rt2x00dev->chip, RF2525E) ||
 526             rt2x00_rf(&rt2x00dev->chip, RF5222)) {
 527                 rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
 528                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1);
 529                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1);
 530
 531                 /*
 532                  * RT2525E does not need RX I/Q Flip.
 533                  */
 534                 if (rt2x00_rf(&rt2x00dev->chip, RF2525E))
 535                         rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
 536         } else {
 537                 rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0);
 538                 rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0);
 539         }
 540
 541         rt2500usb_bbp_write(rt2x00dev, 2, r2);
 542         rt2500usb_bbp_write(rt2x00dev, 14, r14);
 543         rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5);
 544         rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6);
 545 }
 546
 547 static void rt2500usb_config_duration(struct rt2x00_dev *rt2x00dev,
 548                                       struct rt2x00lib_conf *libconf)
 549 {
 550         u16 reg;
 551
 552         rt2500usb_register_write(rt2x00dev, MAC_CSR10, libconf->slot_time);
 553         rt2500usb_register_write(rt2x00dev, MAC_CSR11, libconf->sifs);
 554         rt2500usb_register_write(rt2x00dev, MAC_CSR12, libconf->eifs);
 555
 556         rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
 557         rt2x00_set_field16(&reg, TXRX_CSR18_INTERVAL,
 558                            libconf->conf->beacon_int * 4);
 559         rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
 560 }
 561
 562 static void rt2500usb_config(struct rt2x00_dev *rt2x00dev,
 563                              struct rt2x00lib_conf *libconf,
 564                              const unsigned int flags)
 565 {
 566         if (flags & CONFIG_UPDATE_PHYMODE)
 567                 rt2500usb_config_phymode(rt2x00dev, libconf->basic_rates);
 568         if (flags & CONFIG_UPDATE_CHANNEL)
 569                 rt2500usb_config_channel(rt2x00dev, &libconf->rf,
 570                                          libconf->conf->power_level);
 571         if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
 572                 rt2500usb_config_txpower(rt2x00dev,
 573                                          libconf->conf->power_level);
 574         if (flags & CONFIG_UPDATE_ANTENNA)
 575                 rt2500usb_config_antenna(rt2x00dev, &libconf->ant);
 576         if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
 577                 rt2500usb_config_duration(rt2x00dev, libconf);
 578 }
 579
 580 /*
 581  * Link tuning
 582  */
 583 static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev,
 584                                  struct link_qual *qual)
 585 {
 586         u16 reg;
 587
 588         /*
 589          * Update FCS error count from register.
 590          */
 591         rt2500usb_register_read(rt2x00dev, STA_CSR0, &reg);
 592         qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR);
 593
 594         /*
 595          * Update False CCA count from register.
 596          */
 597         rt2500usb_register_read(rt2x00dev, STA_CSR3, &reg);
 598         qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR);
 599 }
 600
 601 static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev)
 602 {
 603         u16 eeprom;
 604         u16 value;
 605
 606         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom);
 607         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW);
 608         rt2500usb_bbp_write(rt2x00dev, 24, value);
 609
 610         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom);
 611         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW);
 612         rt2500usb_bbp_write(rt2x00dev, 25, value);
 613
 614         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom);
 615         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW);
 616         rt2500usb_bbp_write(rt2x00dev, 61, value);
 617
 618         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom);
 619         value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER);
 620         rt2500usb_bbp_write(rt2x00dev, 17, value);
 621
 622         rt2x00dev->link.vgc_level = value;
 623 }
 624
 625 static void rt2500usb_link_tuner(struct rt2x00_dev *rt2x00dev)
 626 {
 627         int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
 628         u16 bbp_thresh;
 629         u16 vgc_bound;
 630         u16 sens;
 631         u16 r24;
 632         u16 r25;
 633         u16 r61;
 634         u16 r17_sens;
 635         u8 r17;
 636         u8 up_bound;
 637         u8 low_bound;
 638
 639         /*
 640          * Read current r17 value, as well as the sensitivity values
 641          * for the r17 register.
 642          */
 643         rt2500usb_bbp_read(rt2x00dev, 17, &r17);
 644         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens);
 645
 646         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound);
 647         up_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER);
 648         low_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCLOWER);
 649
 650         /*
 651          * If we are not associated, we should go straight to the
 652          * dynamic CCA tuning.
 653          */
 654         if (!rt2x00dev->intf_associated)
 655                 goto dynamic_cca_tune;
 656
 657         /*
 658          * Determine the BBP tuning threshold and correctly
 659          * set BBP 24, 25 and 61.
 660          */
 661         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &bbp_thresh);
 662         bbp_thresh = rt2x00_get_field16(bbp_thresh, EEPROM_BBPTUNE_THRESHOLD);
 663
 664         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &r24);
 665         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &r25);
 666         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &r61);
 667
 668         if ((rssi + bbp_thresh) > 0) {
 669                 r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_HIGH);
 670                 r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_HIGH);
 671                 r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_HIGH);
 672         } else {
 673                 r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_LOW);
 674                 r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_LOW);
 675                 r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_LOW);
 676         }
 677
 678         rt2500usb_bbp_write(rt2x00dev, 24, r24);
 679         rt2500usb_bbp_write(rt2x00dev, 25, r25);
 680         rt2500usb_bbp_write(rt2x00dev, 61, r61);
 681
 682         /*
 683          * A too low RSSI will cause too much false CCA which will
 684          * then corrupt the R17 tuning. To remidy this the tuning should
 685          * be stopped (While making sure the R17 value will not exceed limits)
 686          */
 687         if (rssi >= -40) {
 688                 if (r17 != 0x60)
 689                         rt2500usb_bbp_write(rt2x00dev, 17, 0x60);
 690                 return;
 691         }
 692
 693         /*
 694          * Special big-R17 for short distance
 695          */
 696         if (rssi >= -58) {
 697                 sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_LOW);
 698                 if (r17 != sens)
 699                         rt2500usb_bbp_write(rt2x00dev, 17, sens);
 700                 return;
 701         }
 702
 703         /*
 704          * Special mid-R17 for middle distance
 705          */
 706         if (rssi >= -74) {
 707                 sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_HIGH);
 708                 if (r17 != sens)
 709                         rt2500usb_bbp_write(rt2x00dev, 17, sens);
 710                 return;
 711         }
 712
 713         /*
 714          * Leave short or middle distance condition, restore r17
 715          * to the dynamic tuning range.
 716          */
 717         low_bound = 0x32;
 718         if (rssi < -77)
 719                 up_bound -= (-77 - rssi);
 720
 721         if (up_bound < low_bound)
 722                 up_bound = low_bound;
 723
 724         if (r17 > up_bound) {
 725                 rt2500usb_bbp_write(rt2x00dev, 17, up_bound);
 726                 rt2x00dev->link.vgc_level = up_bound;
 727                 return;
 728         }
 729
 730 dynamic_cca_tune:
 731
 732         /*
 733          * R17 is inside the dynamic tuning range,
 734          * start tuning the link based on the false cca counter.
 735          */
 736         if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
 737                 rt2500usb_bbp_write(rt2x00dev, 17, ++r17);
 738                 rt2x00dev->link.vgc_level = r17;
 739         } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) {
 740                 rt2500usb_bbp_write(rt2x00dev, 17, --r17);
 741                 rt2x00dev->link.vgc_level = r17;
 742         }
 743 }
 744
 745 /*
 746  * Initialization functions.
 747  */
 748 static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
 749 {
 750         u16 reg;
 751
 752         rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001,
 753                                     USB_MODE_TEST, REGISTER_TIMEOUT);
 754         rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308,
 755                                     0x00f0, REGISTER_TIMEOUT);
 756
 757         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 758         rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX, 1);
 759         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 760
 761         rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111);
 762         rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11);
 763
 764         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 765         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 1);
 766         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 1);
 767         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
 768         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 769
 770         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 771         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
 772         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
 773         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
 774         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 775
 776         rt2500usb_register_read(rt2x00dev, TXRX_CSR5, &reg);
 777         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0, 13);
 778         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0_VALID, 1);
 779         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1, 12);
 780         rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1_VALID, 1);
 781         rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg);
 782
 783         rt2500usb_register_read(rt2x00dev, TXRX_CSR6, &reg);
 784         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0, 10);
 785         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0_VALID, 1);
 786         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1, 11);
 787         rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1_VALID, 1);
 788         rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg);
 789
 790         rt2500usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
 791         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0, 7);
 792         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0_VALID, 1);
 793         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1, 6);
 794         rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1_VALID, 1);
 795         rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg);
 796
 797         rt2500usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
 798         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0, 5);
 799         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0_VALID, 1);
 800         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1, 0);
 801         rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1_VALID, 0);
 802         rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
 803
 804         rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
 805         rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
 806         rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, 0);
 807         rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
 808         rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
 809         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
 810
 811         rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f);
 812         rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d);
 813
 814         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
 815                 return -EBUSY;
 816
 817         rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 818         rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
 819         rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
 820         rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 1);
 821         rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
 822
 823         if (rt2x00_rev(&rt2x00dev->chip) >= RT2570_VERSION_C) {
 824                 rt2500usb_register_read(rt2x00dev, PHY_CSR2, &reg);
 825                 rt2x00_set_field16(&reg, PHY_CSR2_LNA, 0);
 826         } else {
 827                 reg = 0;
 828                 rt2x00_set_field16(&reg, PHY_CSR2_LNA, 1);
 829                 rt2x00_set_field16(&reg, PHY_CSR2_LNA_MODE, 3);
 830         }
 831         rt2500usb_register_write(rt2x00dev, PHY_CSR2, reg);
 832
 833         rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0002);
 834         rt2500usb_register_write(rt2x00dev, MAC_CSR22, 0x0053);
 835         rt2500usb_register_write(rt2x00dev, MAC_CSR15, 0x01ee);
 836         rt2500usb_register_write(rt2x00dev, MAC_CSR16, 0x0000);
 837
 838         rt2500usb_register_read(rt2x00dev, MAC_CSR8, &reg);
 839         rt2x00_set_field16(&reg, MAC_CSR8_MAX_FRAME_UNIT,
 840                            rt2x00dev->rx->data_size);
 841         rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg);
 842
 843         rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 844         rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
 845         rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, 0xff);
 846         rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 847
 848         rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
 849         rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON, 90);
 850         rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
 851
 852         rt2500usb_register_read(rt2x00dev, PHY_CSR4, &reg);
 853         rt2x00_set_field16(&reg, PHY_CSR4_LOW_RF_LE, 1);
 854         rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg);
 855
 856         rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
 857         rt2x00_set_field16(&reg, TXRX_CSR1_AUTO_SEQUENCE, 1);
 858         rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
 859
 860         return 0;
 861 }
 862
 863 static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev)
 864 {
 865         unsigned int i;
 866         u16 eeprom;
 867         u8 value;
 868         u8 reg_id;
 869
 870         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 871                 rt2500usb_bbp_read(rt2x00dev, 0, &value);
 872                 if ((value != 0xff) && (value != 0x00))
 873                         goto continue_csr_init;
 874                 NOTICE(rt2x00dev, "Waiting for BBP register.\n");
 875                 udelay(REGISTER_BUSY_DELAY);
 876         }
 877
 878         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
 879         return -EACCES;
 880
 881 continue_csr_init:
 882         rt2500usb_bbp_write(rt2x00dev, 3, 0x02);
 883         rt2500usb_bbp_write(rt2x00dev, 4, 0x19);
 884         rt2500usb_bbp_write(rt2x00dev, 14, 0x1c);
 885         rt2500usb_bbp_write(rt2x00dev, 15, 0x30);
 886         rt2500usb_bbp_write(rt2x00dev, 16, 0xac);
 887         rt2500usb_bbp_write(rt2x00dev, 18, 0x18);
 888         rt2500usb_bbp_write(rt2x00dev, 19, 0xff);
 889         rt2500usb_bbp_write(rt2x00dev, 20, 0x1e);
 890         rt2500usb_bbp_write(rt2x00dev, 21, 0x08);
 891         rt2500usb_bbp_write(rt2x00dev, 22, 0x08);
 892         rt2500usb_bbp_write(rt2x00dev, 23, 0x08);
 893         rt2500usb_bbp_write(rt2x00dev, 24, 0x80);
 894         rt2500usb_bbp_write(rt2x00dev, 25, 0x50);
 895         rt2500usb_bbp_write(rt2x00dev, 26, 0x08);
 896         rt2500usb_bbp_write(rt2x00dev, 27, 0x23);
 897         rt2500usb_bbp_write(rt2x00dev, 30, 0x10);
 898         rt2500usb_bbp_write(rt2x00dev, 31, 0x2b);
 899         rt2500usb_bbp_write(rt2x00dev, 32, 0xb9);
 900         rt2500usb_bbp_write(rt2x00dev, 34, 0x12);
 901         rt2500usb_bbp_write(rt2x00dev, 35, 0x50);
 902         rt2500usb_bbp_write(rt2x00dev, 39, 0xc4);
 903         rt2500usb_bbp_write(rt2x00dev, 40, 0x02);
 904         rt2500usb_bbp_write(rt2x00dev, 41, 0x60);
 905         rt2500usb_bbp_write(rt2x00dev, 53, 0x10);
 906         rt2500usb_bbp_write(rt2x00dev, 54, 0x18);
 907         rt2500usb_bbp_write(rt2x00dev, 56, 0x08);
 908         rt2500usb_bbp_write(rt2x00dev, 57, 0x10);
 909         rt2500usb_bbp_write(rt2x00dev, 58, 0x08);
 910         rt2500usb_bbp_write(rt2x00dev, 61, 0x60);
 911         rt2500usb_bbp_write(rt2x00dev, 62, 0x10);
 912         rt2500usb_bbp_write(rt2x00dev, 75, 0xff);
 913
 914         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
 915                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
 916
 917                 if (eeprom != 0xffff && eeprom != 0x0000) {
 918                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
 919                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
 920                         rt2500usb_bbp_write(rt2x00dev, reg_id, value);
 921                 }
 922         }
 923
 924         return 0;
 925 }
 926
 927 /*
 928  * Device state switch handlers.
 929  */
 930 static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
 931                                 enum dev_state state)
 932 {
 933         u16 reg;
 934
 935         rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 936         rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX,
 937                            state == STATE_RADIO_RX_OFF);
 938         rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 939 }
 940
 941 static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 942 {
 943         /*
 944          * Initialize all registers.
 945          */
 946         if (rt2500usb_init_registers(rt2x00dev) ||
 947             rt2500usb_init_bbp(rt2x00dev)) {
 948                 ERROR(rt2x00dev, "Register initialization failed.\n");
 949                 return -EIO;
 950         }
 951
 952         return 0;
 953 }
 954
 955 static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 956 {
 957         rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x2121);
 958         rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x2121);
 959
 960         /*
 961          * Disable synchronisation.
 962          */
 963         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
 964
 965         rt2x00usb_disable_radio(rt2x00dev);
 966 }
 967
 968 static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev,
 969                                enum dev_state state)
 970 {
 971         u16 reg;
 972         u16 reg2;
 973         unsigned int i;
 974         char put_to_sleep;
 975         char bbp_state;
 976         char rf_state;
 977
 978         put_to_sleep = (state != STATE_AWAKE);
 979
 980         reg = 0;
 981         rt2x00_set_field16(&reg, MAC_CSR17_BBP_DESIRE_STATE, state);
 982         rt2x00_set_field16(&reg, MAC_CSR17_RF_DESIRE_STATE, state);
 983         rt2x00_set_field16(&reg, MAC_CSR17_PUT_TO_SLEEP, put_to_sleep);
 984         rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
 985         rt2x00_set_field16(&reg, MAC_CSR17_SET_STATE, 1);
 986         rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
 987
 988         /*
 989          * Device is not guaranteed to be in the requested state yet.
 990          * We must wait until the register indicates that the
 991          * device has entered the correct state.
 992          */
 993         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 994                 rt2500usb_register_read(rt2x00dev, MAC_CSR17, &reg2);
 995                 bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE);
 996                 rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE);
 997                 if (bbp_state == state && rf_state == state)
 998                         return 0;
 999                 rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg);
1000                 msleep(30);
1001         }
1002
1003         NOTICE(rt2x00dev, "Device failed to enter state %d, "
1004                "current device state: bbp %d and rf %d.\n",
1005                state, bbp_state, rf_state);
1006
1007         return -EBUSY;
1008 }
1009
1010 static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
1011                                       enum dev_state state)
1012 {
1013         int retval = 0;
1014
1015         switch (state) {
1016         case STATE_RADIO_ON:
1017                 retval = rt2500usb_enable_radio(rt2x00dev);
1018                 break;
1019         case STATE_RADIO_OFF:
1020                 rt2500usb_disable_radio(rt2x00dev);
1021                 break;
1022         case STATE_RADIO_RX_ON:
1023         case STATE_RADIO_RX_ON_LINK:
1024                 rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
1025                 break;
1026         case STATE_RADIO_RX_OFF:
1027         case STATE_RADIO_RX_OFF_LINK:
1028                 rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
1029                 break;
1030         case STATE_DEEP_SLEEP:
1031         case STATE_SLEEP:
1032         case STATE_STANDBY:
1033         case STATE_AWAKE:
1034                 retval = rt2500usb_set_state(rt2x00dev, state);
1035                 break;
1036         default:
1037                 retval = -ENOTSUPP;
1038                 break;
1039         }
1040
1041         return retval;
1042 }
1043
1044 /*
1045  * TX descriptor initialization
1046  */
1047 static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1048                                     struct sk_buff *skb,
1049                                     struct txentry_desc *txdesc,
1050                                     struct ieee80211_tx_control *control)
1051 {
1052         struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
1053         __le32 *txd = skbdesc->desc;
1054         u32 word;
1055
1056         /*
1057          * Start writing the descriptor words.
1058          */
1059         rt2x00_desc_read(txd, 1, &word);
1060         rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER);
1061         rt2x00_set_field32(&word, TXD_W1_AIFS, txdesc->aifs);
1062         rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
1063         rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
1064         rt2x00_desc_write(txd, 1, word);
1065
1066         rt2x00_desc_read(txd, 2, &word);
1067         rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal);
1068         rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service);
1069         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low);
1070         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
1071         rt2x00_desc_write(txd, 2, word);
1072
1073         rt2x00_desc_read(txd, 0, &word);
1074         rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, control->retry_limit);
1075         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1076                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1077         rt2x00_set_field32(&word, TXD_W0_ACK,
1078                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1079         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1080                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1081         rt2x00_set_field32(&word, TXD_W0_OFDM,
1082                            test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags));
1083         rt2x00_set_field32(&word, TXD_W0_NEW_SEQ,
1084                            !!(control->flags & IEEE80211_TXCTL_FIRST_FRAGMENT));
1085         rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1086         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len);
1087         rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE);
1088         rt2x00_desc_write(txd, 0, word);
1089 }
1090
1091 static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
1092                                      struct sk_buff *skb)
1093 {
1094         int length;
1095
1096         /*
1097          * The length _must_ be a multiple of 2,
1098          * but it must _not_ be a multiple of the USB packet size.
1099          */
1100         length = roundup(skb->len, 2);
1101         length += (2 * !(length % rt2x00dev->usb_maxpacket));
1102
1103         return length;
1104 }
1105
1106 /*
1107  * TX data initialization
1108  */
1109 static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1110                                     const unsigned int queue)
1111 {
1112         u16 reg;
1113
1114         if (queue != RT2X00_BCN_QUEUE_BEACON)
1115                 return;
1116
1117         rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
1118         if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) {
1119                 rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
1120                 rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
1121                 rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 1);
1122                 /*
1123                  * Beacon generation will fail initially.
1124                  * To prevent this we need to register the TXRX_CSR19
1125                  * register several times.
1126                  */
1127                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1128                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
1129                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1130                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
1131                 rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1132         }
1133 }
1134
1135 /*
1136  * RX control handlers
1137  */
1138 static void rt2500usb_fill_rxdone(struct queue_entry *entry,
1139                                   struct rxdone_entry_desc *rxdesc)
1140 {
1141         struct queue_entry_priv_usb_rx *priv_rx = entry->priv_data;
1142         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1143         __le32 *rxd =
1144             (__le32 *)(entry->skb->data +
1145                        (priv_rx->urb->actual_length - entry->queue->desc_size));
1146         unsigned int offset = entry->queue->desc_size + 2;
1147         u32 word0;
1148         u32 word1;
1149
1150         /*
1151          * Copy descriptor to the available headroom inside the skbuffer.
1152          */
1153         skb_push(entry->skb, offset);
1154         memcpy(entry->skb->data, rxd, entry->queue->desc_size);
1155         rxd = (__le32 *)entry->skb->data;
1156
1157         /*
1158          * The descriptor is now aligned to 4 bytes and thus it is
1159          * now safe to read it on all architectures.
1160          */
1161         rt2x00_desc_read(rxd, 0, &word0);
1162         rt2x00_desc_read(rxd, 1, &word1);
1163
1164         rxdesc->flags = 0;
1165         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1166                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1167         if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
1168                 rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
1169
1170         /*
1171          * Obtain the status about this packet.
1172          * When frame was received with an OFDM bitrate,
1173          * the signal is the PLCP value. If it was received with
1174          * a CCK bitrate the signal is the rate in 100kbit/s.
1175          */
1176         rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1177         rxdesc->rssi = rt2x00_get_field32(word1, RXD_W1_RSSI) -
1178             entry->queue->rt2x00dev->rssi_offset;
1179         rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1180
1181         rxdesc->dev_flags = 0;
1182         if (rt2x00_get_field32(word0, RXD_W0_OFDM))
1183                 rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
1184         if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
1185                 rxdesc->dev_flags |= RXDONE_MY_BSS;
1186
1187         /*
1188          * Adjust the skb memory window to the frame boundaries.
1189          */
1190         skb_pull(entry->skb, offset);
1191         skb_trim(entry->skb, rxdesc->size);
1192
1193         /*
1194          * Set descriptor and data pointer.
1195          */
1196         skbdesc->data = entry->skb->data;
1197         skbdesc->data_len = rxdesc->size;
1198         skbdesc->desc = rxd;
1199         skbdesc->desc_len = entry->queue->desc_size;
1200 }
1201
1202 /*
1203  * Interrupt functions.
1204  */
1205 static void rt2500usb_beacondone(struct urb *urb)
1206 {
1207         struct queue_entry *entry = (struct queue_entry *)urb->context;
1208         struct queue_entry_priv_usb_bcn *priv_bcn = entry->priv_data;
1209
1210         if (!test_bit(DEVICE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags))
1211                 return;
1212
1213         /*
1214          * Check if this was the guardian beacon,
1215          * if that was the case we need to send the real beacon now.
1216          * Otherwise we should free the sk_buffer, the device
1217          * should be doing the rest of the work now.
1218          */
1219         if (priv_bcn->guardian_urb == urb) {
1220                 usb_submit_urb(priv_bcn->urb, GFP_ATOMIC);
1221         } else if (priv_bcn->urb == urb) {
1222                 dev_kfree_skb(entry->skb);
1223                 entry->skb = NULL;
1224         }
1225 }
1226
1227 /*
1228  * Device probe functions.
1229  */
1230 static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1231 {
1232         u16 word;
1233         u8 *mac;
1234         u8 bbp;
1235
1236         rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1237
1238         /*
1239          * Start validation of the data that has been read.
1240          */
1241         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1242         if (!is_valid_ether_addr(mac)) {
1243                 DECLARE_MAC_BUF(macbuf);
1244
1245                 random_ether_addr(mac);
1246                 EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
1247         }
1248
1249         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1250         if (word == 0xffff) {
1251                 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1252                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1253                                    ANTENNA_SW_DIVERSITY);
1254                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1255                                    ANTENNA_SW_DIVERSITY);
1256                 rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE,
1257                                    LED_MODE_DEFAULT);
1258                 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1259                 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1260                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522);
1261                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1262                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1263         }
1264
1265         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1266         if (word == 0xffff) {
1267                 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1268                 rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0);
1269                 rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0);
1270                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1271                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1272         }
1273
1274         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word);
1275         if (word == 0xffff) {
1276                 rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI,
1277                                    DEFAULT_RSSI_OFFSET);
1278                 rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word);
1279                 EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word);
1280         }
1281
1282         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word);
1283         if (word == 0xffff) {
1284                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45);
1285                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word);
1286                 EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word);
1287         }
1288
1289         /*
1290          * Switch lower vgc bound to current BBP R17 value,
1291          * lower the value a bit for better quality.
1292          */
1293         rt2500usb_bbp_read(rt2x00dev, 17, &bbp);
1294         bbp -= 6;
1295
1296         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word);
1297         if (word == 0xffff) {
1298                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40);
1299                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1300                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1301                 EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word);
1302         }
1303
1304         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word);
1305         if (word == 0xffff) {
1306                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48);
1307                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41);
1308                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word);
1309                 EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word);
1310         } else {
1311                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
1312                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
1313         }
1314
1315         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word);
1316         if (word == 0xffff) {
1317                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40);
1318                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80);
1319                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word);
1320                 EEPROM(rt2x00dev, "BBPtune r24: 0x%04x\n", word);
1321         }
1322
1323         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word);
1324         if (word == 0xffff) {
1325                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40);
1326                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50);
1327                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word);
1328                 EEPROM(rt2x00dev, "BBPtune r25: 0x%04x\n", word);
1329         }
1330
1331         rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word);
1332         if (word == 0xffff) {
1333                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60);
1334                 rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d);
1335                 rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word);
1336                 EEPROM(rt2x00dev, "BBPtune r61: 0x%04x\n", word);
1337         }
1338
1339         return 0;
1340 }
1341
1342 static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1343 {
1344         u16 reg;
1345         u16 value;
1346         u16 eeprom;
1347
1348         /*
1349          * Read EEPROM word for configuration.
1350          */
1351         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1352
1353         /*
1354          * Identify RF chipset.
1355          */
1356         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1357         rt2500usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1358         rt2x00_set_chip(rt2x00dev, RT2570, value, reg);
1359
1360         if (!rt2x00_check_rev(&rt2x00dev->chip, 0)) {
1361                 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1362                 return -ENODEV;
1363         }
1364
1365         if (!rt2x00_rf(&rt2x00dev->chip, RF2522) &&
1366             !rt2x00_rf(&rt2x00dev->chip, RF2523) &&
1367             !rt2x00_rf(&rt2x00dev->chip, RF2524) &&
1368             !rt2x00_rf(&rt2x00dev->chip, RF2525) &&
1369             !rt2x00_rf(&rt2x00dev->chip, RF2525E) &&
1370             !rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1371                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1372                 return -ENODEV;
1373         }
1374
1375         /*
1376          * Identify default antenna configuration.
1377          */
1378         rt2x00dev->default_ant.tx =
1379             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1380         rt2x00dev->default_ant.rx =
1381             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1382
1383         /*
1384          * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead.
1385          * I am not 100% sure about this, but the legacy drivers do not
1386          * indicate antenna swapping in software is required when
1387          * diversity is enabled.
1388          */
1389         if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
1390                 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY;
1391         if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
1392                 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY;
1393
1394         /*
1395          * Store led mode, for correct led behaviour.
1396          */
1397 #ifdef CONFIG_RT2500USB_LEDS
1398         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
1399
1400         rt2x00dev->led_radio.rt2x00dev = rt2x00dev;
1401         rt2x00dev->led_radio.type = LED_TYPE_RADIO;
1402         rt2x00dev->led_radio.led_dev.brightness_set =
1403             rt2500usb_brightness_set;
1404         rt2x00dev->led_radio.led_dev.blink_set =
1405             rt2500usb_blink_set;
1406         rt2x00dev->led_radio.flags = LED_INITIALIZED;
1407
1408         if (value == LED_MODE_TXRX_ACTIVITY) {
1409                 rt2x00dev->led_qual.rt2x00dev = rt2x00dev;
1410                 rt2x00dev->led_qual.type = LED_TYPE_ACTIVITY;
1411                 rt2x00dev->led_qual.led_dev.brightness_set =
1412                     rt2500usb_brightness_set;
1413                 rt2x00dev->led_qual.led_dev.blink_set =
1414                     rt2500usb_blink_set;
1415                 rt2x00dev->led_qual.flags = LED_INITIALIZED;
1416         }
1417 #endif /* CONFIG_RT2500USB_LEDS */
1418
1419         /*
1420          * Check if the BBP tuning should be disabled.
1421          */
1422         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1423         if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE))
1424                 __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
1425
1426         /*
1427          * Read the RSSI <-> dBm offset information.
1428          */
1429         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom);
1430         rt2x00dev->rssi_offset =
1431             rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI);
1432
1433         return 0;
1434 }
1435
1436 /*
1437  * RF value list for RF2522
1438  * Supports: 2.4 GHz
1439  */
1440 static const struct rf_channel rf_vals_bg_2522[] = {
1441         { 1,  0x00002050, 0x000c1fda, 0x00000101, 0 },
1442         { 2,  0x00002050, 0x000c1fee, 0x00000101, 0 },
1443         { 3,  0x00002050, 0x000c2002, 0x00000101, 0 },
1444         { 4,  0x00002050, 0x000c2016, 0x00000101, 0 },
1445         { 5,  0x00002050, 0x000c202a, 0x00000101, 0 },
1446         { 6,  0x00002050, 0x000c203e, 0x00000101, 0 },
1447         { 7,  0x00002050, 0x000c2052, 0x00000101, 0 },
1448         { 8,  0x00002050, 0x000c2066, 0x00000101, 0 },
1449         { 9,  0x00002050, 0x000c207a, 0x00000101, 0 },
1450         { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
1451         { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
1452         { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
1453         { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
1454         { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
1455 };
1456
1457 /*
1458  * RF value list for RF2523
1459  * Supports: 2.4 GHz
1460  */
1461 static const struct rf_channel rf_vals_bg_2523[] = {
1462         { 1,  0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
1463         { 2,  0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
1464         { 3,  0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
1465         { 4,  0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
1466         { 5,  0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
1467         { 6,  0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
1468         { 7,  0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
1469         { 8,  0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
1470         { 9,  0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
1471         { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
1472         { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
1473         { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
1474         { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
1475         { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
1476 };
1477
1478 /*
1479  * RF value list for RF2524
1480  * Supports: 2.4 GHz
1481  */
1482 static const struct rf_channel rf_vals_bg_2524[] = {
1483         { 1,  0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
1484         { 2,  0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
1485         { 3,  0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
1486         { 4,  0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
1487         { 5,  0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
1488         { 6,  0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
1489         { 7,  0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
1490         { 8,  0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
1491         { 9,  0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
1492         { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
1493         { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
1494         { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
1495         { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
1496         { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
1497 };
1498
1499 /*
1500  * RF value list for RF2525
1501  * Supports: 2.4 GHz
1502  */
1503 static const struct rf_channel rf_vals_bg_2525[] = {
1504         { 1,  0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
1505         { 2,  0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
1506         { 3,  0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
1507         { 4,  0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
1508         { 5,  0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
1509         { 6,  0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
1510         { 7,  0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
1511         { 8,  0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
1512         { 9,  0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
1513         { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
1514         { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
1515         { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
1516         { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
1517         { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
1518 };
1519
1520 /*
1521  * RF value list for RF2525e
1522  * Supports: 2.4 GHz
1523  */
1524 static const struct rf_channel rf_vals_bg_2525e[] = {
1525         { 1,  0x00022010, 0x0000089a, 0x00060111, 0x00000e1b },
1526         { 2,  0x00022010, 0x0000089e, 0x00060111, 0x00000e07 },
1527         { 3,  0x00022010, 0x0000089e, 0x00060111, 0x00000e1b },
1528         { 4,  0x00022010, 0x000008a2, 0x00060111, 0x00000e07 },
1529         { 5,  0x00022010, 0x000008a2, 0x00060111, 0x00000e1b },
1530         { 6,  0x00022010, 0x000008a6, 0x00060111, 0x00000e07 },
1531         { 7,  0x00022010, 0x000008a6, 0x00060111, 0x00000e1b },
1532         { 8,  0x00022010, 0x000008aa, 0x00060111, 0x00000e07 },
1533         { 9,  0x00022010, 0x000008aa, 0x00060111, 0x00000e1b },
1534         { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 },
1535         { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b },
1536         { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 },
1537         { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b },
1538         { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 },
1539 };
1540
1541 /*
1542  * RF value list for RF5222
1543  * Supports: 2.4 GHz & 5.2 GHz
1544  */
1545 static const struct rf_channel rf_vals_5222[] = {
1546         { 1,  0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
1547         { 2,  0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
1548         { 3,  0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
1549         { 4,  0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
1550         { 5,  0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
1551         { 6,  0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
1552         { 7,  0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
1553         { 8,  0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
1554         { 9,  0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
1555         { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
1556         { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
1557         { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
1558         { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
1559         { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
1560
1561         /* 802.11 UNI / HyperLan 2 */
1562         { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
1563         { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
1564         { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
1565         { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
1566         { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
1567         { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
1568         { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
1569         { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
1570
1571         /* 802.11 HyperLan 2 */
1572         { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
1573         { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
1574         { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
1575         { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
1576         { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
1577         { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
1578         { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
1579         { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
1580         { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
1581         { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
1582
1583         /* 802.11 UNII */
1584         { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
1585         { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
1586         { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
1587         { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
1588         { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
1589 };
1590
1591 static void rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
1592 {
1593         struct hw_mode_spec *spec = &rt2x00dev->spec;
1594         u8 *txpower;
1595         unsigned int i;
1596
1597         /*
1598          * Initialize all hw fields.
1599          */
1600         rt2x00dev->hw->flags =
1601             IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE |
1602             IEEE80211_HW_RX_INCLUDES_FCS |
1603             IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
1604         rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
1605         rt2x00dev->hw->max_signal = MAX_SIGNAL;
1606         rt2x00dev->hw->max_rssi = MAX_RX_SSI;
1607         rt2x00dev->hw->queues = 2;
1608
1609         SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_usb(rt2x00dev)->dev);
1610         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1611                                 rt2x00_eeprom_addr(rt2x00dev,
1612                                                    EEPROM_MAC_ADDR_0));
1613
1614         /*
1615          * Convert tx_power array in eeprom.
1616          */
1617         txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
1618         for (i = 0; i < 14; i++)
1619                 txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
1620
1621         /*
1622          * Initialize hw_mode information.
1623          */
1624         spec->supported_bands = SUPPORT_BAND_2GHZ;
1625         spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
1626         spec->tx_power_a = NULL;
1627         spec->tx_power_bg = txpower;
1628         spec->tx_power_default = DEFAULT_TXPOWER;
1629
1630         if (rt2x00_rf(&rt2x00dev->chip, RF2522)) {
1631                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
1632                 spec->channels = rf_vals_bg_2522;
1633         } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) {
1634                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
1635                 spec->channels = rf_vals_bg_2523;
1636         } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) {
1637                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
1638                 spec->channels = rf_vals_bg_2524;
1639         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
1640                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
1641                 spec->channels = rf_vals_bg_2525;
1642         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
1643                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
1644                 spec->channels = rf_vals_bg_2525e;
1645         } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1646                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
1647                 spec->num_channels = ARRAY_SIZE(rf_vals_5222);
1648                 spec->channels = rf_vals_5222;
1649         }
1650 }
1651
1652 static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
1653 {
1654         int retval;
1655
1656         /*
1657          * Allocate eeprom data.
1658          */
1659         retval = rt2500usb_validate_eeprom(rt2x00dev);
1660         if (retval)
1661                 return retval;
1662
1663         retval = rt2500usb_init_eeprom(rt2x00dev);
1664         if (retval)
1665                 return retval;
1666
1667         /*
1668          * Initialize hw specifications.
1669          */
1670         rt2500usb_probe_hw_mode(rt2x00dev);
1671
1672         /*
1673          * This device requires the atim queue
1674          */
1675         __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
1676         __set_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags);
1677         __set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags);
1678
1679         /*
1680          * Set the rssi offset.
1681          */
1682         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1683
1684         return 0;
1685 }
1686
1687 /*
1688  * IEEE80211 stack callback functions.
1689  */
1690 static int rt2500usb_beacon_update(struct ieee80211_hw *hw,
1691                                    struct sk_buff *skb,
1692                                    struct ieee80211_tx_control *control)
1693 {
1694         struct rt2x00_dev *rt2x00dev = hw->priv;
1695         struct usb_device *usb_dev = rt2x00dev_usb_dev(rt2x00dev);
1696         struct rt2x00_intf *intf = vif_to_intf(control->vif);
1697         struct queue_entry_priv_usb_bcn *priv_bcn;
1698         struct skb_frame_desc *skbdesc;
1699         int pipe = usb_sndbulkpipe(usb_dev, 1);
1700         int length;
1701         u16 reg;
1702
1703         if (unlikely(!intf->beacon))
1704                 return -ENOBUFS;
1705
1706         priv_bcn = intf->beacon->priv_data;
1707
1708         /*
1709          * Add the descriptor in front of the skb.
1710          */
1711         skb_push(skb, intf->beacon->queue->desc_size);
1712         memset(skb->data, 0, intf->beacon->queue->desc_size);
1713
1714         /*
1715          * Fill in skb descriptor
1716          */
1717         skbdesc = get_skb_frame_desc(skb);
1718         memset(skbdesc, 0, sizeof(*skbdesc));
1719         skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED;
1720         skbdesc->data = skb->data + intf->beacon->queue->desc_size;
1721         skbdesc->data_len = skb->len - intf->beacon->queue->desc_size;
1722         skbdesc->desc = skb->data;
1723         skbdesc->desc_len = intf->beacon->queue->desc_size;
1724         skbdesc->entry = intf->beacon;
1725
1726         /*
1727          * Disable beaconing while we are reloading the beacon data,
1728          * otherwise we might be sending out invalid data.
1729          */
1730         rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
1731         rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
1732         rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
1733         rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
1734         rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
1735
1736         /*
1737          * mac80211 doesn't provide the control->queue variable
1738          * for beacons. Set our own queue identification so
1739          * it can be used during descriptor initialization.
1740          */
1741         control->queue = RT2X00_BCN_QUEUE_BEACON;
1742         rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
1743
1744         /*
1745          * USB devices cannot blindly pass the skb->len as the
1746          * length of the data to usb_fill_bulk_urb. Pass the skb
1747          * to the driver to determine what the length should be.
1748          */
1749         length = rt2500usb_get_tx_data_len(rt2x00dev, skb);
1750
1751         usb_fill_bulk_urb(priv_bcn->urb, usb_dev, pipe,
1752                           skb->data, length, rt2500usb_beacondone,
1753                           intf->beacon);
1754
1755         /*
1756          * Second we need to create the guardian byte.
1757          * We only need a single byte, so lets recycle
1758          * the 'flags' field we are not using for beacons.
1759          */
1760         priv_bcn->guardian_data = 0;
1761         usb_fill_bulk_urb(priv_bcn->guardian_urb, usb_dev, pipe,
1762                           &priv_bcn->guardian_data, 1, rt2500usb_beacondone,
1763                           intf->beacon);
1764
1765         /*
1766          * Send out the guardian byte.
1767          */
1768         usb_submit_urb(priv_bcn->guardian_urb, GFP_ATOMIC);
1769
1770         /*
1771          * Enable beacon generation.
1772          */
1773         rt2500usb_kick_tx_queue(rt2x00dev, control->queue);
1774
1775         return 0;
1776 }
1777
1778 static const struct ieee80211_ops rt2500usb_mac80211_ops = {
1779         .tx                     = rt2x00mac_tx,
1780         .start                  = rt2x00mac_start,
1781         .stop                   = rt2x00mac_stop,
1782         .add_interface          = rt2x00mac_add_interface,
1783         .remove_interface       = rt2x00mac_remove_interface,
1784         .config                 = rt2x00mac_config,
1785         .config_interface       = rt2x00mac_config_interface,
1786         .configure_filter       = rt2x00mac_configure_filter,
1787         .get_stats              = rt2x00mac_get_stats,
1788         .bss_info_changed       = rt2x00mac_bss_info_changed,
1789         .conf_tx                = rt2x00mac_conf_tx,
1790         .get_tx_stats           = rt2x00mac_get_tx_stats,
1791         .beacon_update          = rt2500usb_beacon_update,
1792 };
1793
1794 static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
1795         .probe_hw               = rt2500usb_probe_hw,
1796         .initialize             = rt2x00usb_initialize,
1797         .uninitialize           = rt2x00usb_uninitialize,
1798         .init_rxentry           = rt2x00usb_init_rxentry,
1799         .init_txentry           = rt2x00usb_init_txentry,
1800         .set_device_state       = rt2500usb_set_device_state,
1801         .link_stats             = rt2500usb_link_stats,
1802         .reset_tuner            = rt2500usb_reset_tuner,
1803         .link_tuner             = rt2500usb_link_tuner,
1804         .write_tx_desc          = rt2500usb_write_tx_desc,
1805         .write_tx_data          = rt2x00usb_write_tx_data,
1806         .get_tx_data_len        = rt2500usb_get_tx_data_len,
1807         .kick_tx_queue          = rt2500usb_kick_tx_queue,
1808         .fill_rxdone            = rt2500usb_fill_rxdone,
1809         .config_filter          = rt2500usb_config_filter,
1810         .config_intf            = rt2500usb_config_intf,
1811         .config_erp             = rt2500usb_config_erp,
1812         .config                 = rt2500usb_config,
1813 };
1814
1815 static const struct data_queue_desc rt2500usb_queue_rx = {
1816         .entry_num              = RX_ENTRIES,
1817         .data_size              = DATA_FRAME_SIZE,
1818         .desc_size              = RXD_DESC_SIZE,
1819         .priv_size              = sizeof(struct queue_entry_priv_usb_rx),
1820 };
1821
1822 static const struct data_queue_desc rt2500usb_queue_tx = {
1823         .entry_num              = TX_ENTRIES,
1824         .data_size              = DATA_FRAME_SIZE,
1825         .desc_size              = TXD_DESC_SIZE,
1826         .priv_size              = sizeof(struct queue_entry_priv_usb_tx),
1827 };
1828
1829 static const struct data_queue_desc rt2500usb_queue_bcn = {
1830         .entry_num              = BEACON_ENTRIES,
1831         .data_size              = MGMT_FRAME_SIZE,
1832         .desc_size              = TXD_DESC_SIZE,
1833         .priv_size              = sizeof(struct queue_entry_priv_usb_bcn),
1834 };
1835
1836 static const struct data_queue_desc rt2500usb_queue_atim = {
1837         .entry_num              = ATIM_ENTRIES,
1838         .data_size              = DATA_FRAME_SIZE,
1839         .desc_size              = TXD_DESC_SIZE,
1840         .priv_size              = sizeof(struct queue_entry_priv_usb_tx),
1841 };
1842
1843 static const struct rt2x00_ops rt2500usb_ops = {
1844         .name           = KBUILD_MODNAME,
1845         .max_sta_intf   = 1,
1846         .max_ap_intf    = 1,
1847         .eeprom_size    = EEPROM_SIZE,
1848         .rf_size        = RF_SIZE,
1849         .rx             = &rt2500usb_queue_rx,
1850         .tx             = &rt2500usb_queue_tx,
1851         .bcn            = &rt2500usb_queue_bcn,
1852         .atim           = &rt2500usb_queue_atim,
1853         .lib            = &rt2500usb_rt2x00_ops,
1854         .hw             = &rt2500usb_mac80211_ops,
1855 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1856         .debugfs        = &rt2500usb_rt2x00debug,
1857 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1858 };
1859
1860 /*
1861  * rt2500usb module information.
1862  */
1863 static struct usb_device_id rt2500usb_device_table[] = {
1864         /* ASUS */
1865         { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1866         { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops) },
1867         /* Belkin */
1868         { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops) },
1869         { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops) },
1870         { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops) },
1871         /* Cisco Systems */
1872         { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops) },
1873         { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops) },
1874         { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops) },
1875         /* Conceptronic */
1876         { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) },
1877         /* D-LINK */
1878         { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) },
1879         /* Gigabyte */
1880         { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) },
1881         { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) },
1882         /* Hercules */
1883         { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) },
1884         /* Melco */
1885         { USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops) },
1886         { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) },
1887         { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) },
1888         { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) },
1889         { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) },
1890         /* MSI */
1891         { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) },
1892         { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) },
1893         { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) },
1894         /* Ralink */
1895         { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) },
1896         { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) },
1897         { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) },
1898         { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1899         /* Siemens */
1900         { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) },
1901         /* SMC */
1902         { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) },
1903         /* Spairon */
1904         { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) },
1905         /* Trust */
1906         { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) },
1907         /* Zinwell */
1908         { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) },
1909         { 0, }
1910 };
1911
1912 MODULE_AUTHOR(DRV_PROJECT);
1913 MODULE_VERSION(DRV_VERSION);
1914 MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver.");
1915 MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards");
1916 MODULE_DEVICE_TABLE(usb, rt2500usb_device_table);
1917 MODULE_LICENSE("GPL");
1918
1919 static struct usb_driver rt2500usb_driver = {
1920         .name           = KBUILD_MODNAME,
1921         .id_table       = rt2500usb_device_table,
1922         .probe          = rt2x00usb_probe,
1923         .disconnect     = rt2x00usb_disconnect,
1924         .suspend        = rt2x00usb_suspend,
1925         .resume         = rt2x00usb_resume,
1926 };
1927
1928 static int __init rt2500usb_init(void)
1929 {
1930         return usb_register(&rt2500usb_driver);
1931 }
1932
1933 static void __exit rt2500usb_exit(void)
1934 {
1935         usb_deregister(&rt2500usb_driver);
1936 }
1937
1938 module_init(rt2500usb_init);
1939 module_exit(rt2500usb_exit);