drivers/net/wireless/rt2x00/rt73usb.c

   1 /*
   2         Copyright (C) 2004 - 2007 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: rt73usb
  23         Abstract: rt73usb device specific routines.
  24         Supported chipsets: rt2571W & rt2671.
  25  */
  26
  27 /*
  28  * Set enviroment defines for rt2x00.h
  29  */
  30 #define DRV_NAME "rt73usb"
  31
  32 #include <linux/delay.h>
  33 #include <linux/etherdevice.h>
  34 #include <linux/init.h>
  35 #include <linux/kernel.h>
  36 #include <linux/module.h>
  37 #include <linux/usb.h>
  38
  39 #include "rt2x00.h"
  40 #include "rt2x00usb.h"
  41 #include "rt73usb.h"
  42
  43 /*
  44  * Register access.
  45  * All access to the CSR registers will go through the methods
  46  * rt73usb_register_read and rt73usb_register_write.
  47  * BBP and RF register require indirect register access,
  48  * and use the CSR registers BBPCSR and RFCSR to achieve this.
  49  * These indirect registers work with busy bits,
  50  * and we will try maximal REGISTER_BUSY_COUNT times to access
  51  * the register while taking a REGISTER_BUSY_DELAY us delay
  52  * between each attampt. When the busy bit is still set at that time,
  53  * the access attempt is considered to have failed,
  54  * and we will print an error.
  55  */
  56 static inline void rt73usb_register_read(const struct rt2x00_dev *rt2x00dev,
  57                                          const unsigned int offset, u32 *value)
  58 {
  59         __le32 reg;
  60         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
  61                                       USB_VENDOR_REQUEST_IN, offset,
  62                                       &reg, sizeof(u32), REGISTER_TIMEOUT);
  63         *value = le32_to_cpu(reg);
  64 }
  65
  66 static inline void rt73usb_register_multiread(const struct rt2x00_dev
  67                                               *rt2x00dev,
  68                                               const unsigned int offset,
  69                                               void *value, const u32 length)
  70 {
  71         int timeout = REGISTER_TIMEOUT * (length / sizeof(u32));
  72         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
  73                                       USB_VENDOR_REQUEST_IN, offset,
  74                                       value, length, timeout);
  75 }
  76
  77 static inline void rt73usb_register_write(const struct rt2x00_dev *rt2x00dev,
  78                                           const unsigned int offset, u32 value)
  79 {
  80         __le32 reg = cpu_to_le32(value);
  81         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
  82                                       USB_VENDOR_REQUEST_OUT, offset,
  83                                       &reg, sizeof(u32), REGISTER_TIMEOUT);
  84 }
  85
  86 static inline void rt73usb_register_multiwrite(const struct rt2x00_dev
  87                                                *rt2x00dev,
  88                                                const unsigned int offset,
  89                                                void *value, const u32 length)
  90 {
  91         int timeout = REGISTER_TIMEOUT * (length / sizeof(u32));
  92         rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
  93                                       USB_VENDOR_REQUEST_OUT, offset,
  94                                       value, length, timeout);
  95 }
  96
  97 static u32 rt73usb_bbp_check(const struct rt2x00_dev *rt2x00dev)
  98 {
  99         u32 reg;
 100         unsigned int i;
 101
 102         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 103                 rt73usb_register_read(rt2x00dev, PHY_CSR3, &reg);
 104                 if (!rt2x00_get_field32(reg, PHY_CSR3_BUSY))
 105                         break;
 106                 udelay(REGISTER_BUSY_DELAY);
 107         }
 108
 109         return reg;
 110 }
 111
 112 static void rt73usb_bbp_write(const struct rt2x00_dev *rt2x00dev,
 113                               const unsigned int word, const u8 value)
 114 {
 115         u32 reg;
 116
 117         /*
 118          * Wait until the BBP becomes ready.
 119          */
 120         reg = rt73usb_bbp_check(rt2x00dev);
 121         if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
 122                 ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n");
 123                 return;
 124         }
 125
 126         /*
 127          * Write the data into the BBP.
 128          */
 129         reg = 0;
 130         rt2x00_set_field32(&reg, PHY_CSR3_VALUE, value);
 131         rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
 132         rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
 133         rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 0);
 134
 135         rt73usb_register_write(rt2x00dev, PHY_CSR3, reg);
 136 }
 137
 138 static void rt73usb_bbp_read(const struct rt2x00_dev *rt2x00dev,
 139                              const unsigned int word, u8 *value)
 140 {
 141         u32 reg;
 142
 143         /*
 144          * Wait until the BBP becomes ready.
 145          */
 146         reg = rt73usb_bbp_check(rt2x00dev);
 147         if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
 148                 ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n");
 149                 return;
 150         }
 151
 152         /*
 153          * Write the request into the BBP.
 154          */
 155         reg = 0;
 156         rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
 157         rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
 158         rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 1);
 159
 160         rt73usb_register_write(rt2x00dev, PHY_CSR3, reg);
 161
 162         /*
 163          * Wait until the BBP becomes ready.
 164          */
 165         reg = rt73usb_bbp_check(rt2x00dev);
 166         if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) {
 167                 ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n");
 168                 *value = 0xff;
 169                 return;
 170         }
 171
 172         *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE);
 173 }
 174
 175 static void rt73usb_rf_write(const struct rt2x00_dev *rt2x00dev,
 176                              const unsigned int word, const u32 value)
 177 {
 178         u32 reg;
 179         unsigned int i;
 180
 181         if (!word)
 182                 return;
 183
 184         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 185                 rt73usb_register_read(rt2x00dev, PHY_CSR4, &reg);
 186                 if (!rt2x00_get_field32(reg, PHY_CSR4_BUSY))
 187                         goto rf_write;
 188                 udelay(REGISTER_BUSY_DELAY);
 189         }
 190
 191         ERROR(rt2x00dev, "PHY_CSR4 register busy. Write failed.\n");
 192         return;
 193
 194 rf_write:
 195         reg = 0;
 196         rt2x00_set_field32(&reg, PHY_CSR4_VALUE, value);
 197
 198         /*
 199          * RF5225 and RF2527 contain 21 bits per RF register value,
 200          * all others contain 20 bits.
 201          */
 202         rt2x00_set_field32(&reg, PHY_CSR4_NUMBER_OF_BITS,
 203                            20 + !!(rt2x00_rf(&rt2x00dev->chip, RF5225) ||
 204                                    rt2x00_rf(&rt2x00dev->chip, RF2527)));
 205         rt2x00_set_field32(&reg, PHY_CSR4_IF_SELECT, 0);
 206         rt2x00_set_field32(&reg, PHY_CSR4_BUSY, 1);
 207
 208         rt73usb_register_write(rt2x00dev, PHY_CSR4, reg);
 209         rt2x00_rf_write(rt2x00dev, word, value);
 210 }
 211
 212 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 213 #define CSR_OFFSET(__word)      ( CSR_REG_BASE + ((__word) * sizeof(u32)) )
 214
 215 static void rt73usb_read_csr(const struct rt2x00_dev *rt2x00dev,
 216                              const unsigned int word, u32 *data)
 217 {
 218         rt73usb_register_read(rt2x00dev, CSR_OFFSET(word), data);
 219 }
 220
 221 static void rt73usb_write_csr(const struct rt2x00_dev *rt2x00dev,
 222                               const unsigned int word, u32 data)
 223 {
 224         rt73usb_register_write(rt2x00dev, CSR_OFFSET(word), data);
 225 }
 226
 227 static const struct rt2x00debug rt73usb_rt2x00debug = {
 228         .owner  = THIS_MODULE,
 229         .csr    = {
 230                 .read           = rt73usb_read_csr,
 231                 .write          = rt73usb_write_csr,
 232                 .word_size      = sizeof(u32),
 233                 .word_count     = CSR_REG_SIZE / sizeof(u32),
 234         },
 235         .eeprom = {
 236                 .read           = rt2x00_eeprom_read,
 237                 .write          = rt2x00_eeprom_write,
 238                 .word_size      = sizeof(u16),
 239                 .word_count     = EEPROM_SIZE / sizeof(u16),
 240         },
 241         .bbp    = {
 242                 .read           = rt73usb_bbp_read,
 243                 .write          = rt73usb_bbp_write,
 244                 .word_size      = sizeof(u8),
 245                 .word_count     = BBP_SIZE / sizeof(u8),
 246         },
 247         .rf     = {
 248                 .read           = rt2x00_rf_read,
 249                 .write          = rt73usb_rf_write,
 250                 .word_size      = sizeof(u32),
 251                 .word_count     = RF_SIZE / sizeof(u32),
 252         },
 253 };
 254 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 255
 256 /*
 257  * Configuration handlers.
 258  */
 259 static void rt73usb_config_mac_addr(struct rt2x00_dev *rt2x00dev, __le32 *mac)
 260 {
 261         u32 tmp;
 262
 263         tmp = le32_to_cpu(mac[1]);
 264         rt2x00_set_field32(&tmp, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
 265         mac[1] = cpu_to_le32(tmp);
 266
 267         rt73usb_register_multiwrite(rt2x00dev, MAC_CSR2, mac,
 268                                     (2 * sizeof(__le32)));
 269 }
 270
 271 static void rt73usb_config_bssid(struct rt2x00_dev *rt2x00dev, __le32 *bssid)
 272 {
 273         u32 tmp;
 274
 275         tmp = le32_to_cpu(bssid[1]);
 276         rt2x00_set_field32(&tmp, MAC_CSR5_BSS_ID_MASK, 3);
 277         bssid[1] = cpu_to_le32(tmp);
 278
 279         rt73usb_register_multiwrite(rt2x00dev, MAC_CSR4, bssid,
 280                                     (2 * sizeof(__le32)));
 281 }
 282
 283 static void rt73usb_config_type(struct rt2x00_dev *rt2x00dev, const int type,
 284                                 const int tsf_sync)
 285 {
 286         u32 reg;
 287
 288         /*
 289          * Clear current synchronisation setup.
 290          * For the Beacon base registers we only need to clear
 291          * the first byte since that byte contains the VALID and OWNER
 292          * bits which (when set to 0) will invalidate the entire beacon.
 293          */
 294         rt73usb_register_write(rt2x00dev, TXRX_CSR9, 0);
 295         rt73usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
 296         rt73usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
 297         rt73usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
 298         rt73usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
 299
 300         /*
 301          * Enable synchronisation.
 302          */
 303         rt73usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
 304         rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
 305         rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
 306         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
 307         rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, tsf_sync);
 308         rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
 309 }
 310
 311 static void rt73usb_config_preamble(struct rt2x00_dev *rt2x00dev,
 312                                       const int short_preamble,
 313                                       const int ack_timeout,
 314                                       const int ack_consume_time)
 315 {
 316         u32 reg;
 317
 318         /*
 319          * When in atomic context, reschedule and let rt2x00lib
 320          * call this function again.
 321          */
 322         if (in_atomic()) {
 323                 queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->config_work);
 324                 return;
 325         }
 326
 327         rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 328         rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, ack_timeout);
 329         rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 330
 331         rt73usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
 332         rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
 333                            !!short_preamble);
 334         rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg);
 335 }
 336
 337 static void rt73usb_config_phymode(struct rt2x00_dev *rt2x00dev,
 338                                    const int basic_rate_mask)
 339 {
 340         rt73usb_register_write(rt2x00dev, TXRX_CSR5, basic_rate_mask);
 341 }
 342
 343 static void rt73usb_config_channel(struct rt2x00_dev *rt2x00dev,
 344                                    struct rf_channel *rf, const int txpower)
 345 {
 346         u8 r3;
 347         u8 r94;
 348         u8 smart;
 349
 350         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 351         rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
 352
 353         smart = !(rt2x00_rf(&rt2x00dev->chip, RF5225) ||
 354                   rt2x00_rf(&rt2x00dev->chip, RF2527));
 355
 356         rt73usb_bbp_read(rt2x00dev, 3, &r3);
 357         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, smart);
 358         rt73usb_bbp_write(rt2x00dev, 3, r3);
 359
 360         r94 = 6;
 361         if (txpower > MAX_TXPOWER && txpower <= (MAX_TXPOWER + r94))
 362                 r94 += txpower - MAX_TXPOWER;
 363         else if (txpower < MIN_TXPOWER && txpower >= (MIN_TXPOWER - r94))
 364                 r94 += txpower;
 365         rt73usb_bbp_write(rt2x00dev, 94, r94);
 366
 367         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
 368         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
 369         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
 370         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
 371
 372         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
 373         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
 374         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
 375         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
 376
 377         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
 378         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
 379         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
 380         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
 381
 382         udelay(10);
 383 }
 384
 385 static void rt73usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 386                                    const int txpower)
 387 {
 388         struct rf_channel rf;
 389
 390         rt2x00_rf_read(rt2x00dev, 1, &rf.rf1);
 391         rt2x00_rf_read(rt2x00dev, 2, &rf.rf2);
 392         rt2x00_rf_read(rt2x00dev, 3, &rf.rf3);
 393         rt2x00_rf_read(rt2x00dev, 4, &rf.rf4);
 394
 395         rt73usb_config_channel(rt2x00dev, &rf, txpower);
 396 }
 397
 398 static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev,
 399                                       const int antenna_tx,
 400                                       const int antenna_rx)
 401 {
 402         u8 r3;
 403         u8 r4;
 404         u8 r77;
 405
 406         rt73usb_bbp_read(rt2x00dev, 3, &r3);
 407         rt73usb_bbp_read(rt2x00dev, 4, &r4);
 408         rt73usb_bbp_read(rt2x00dev, 77, &r77);
 409
 410         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
 411
 412         switch (antenna_rx) {
 413         case ANTENNA_SW_DIVERSITY:
 414         case ANTENNA_HW_DIVERSITY:
 415                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
 416                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
 417                                   !!(rt2x00dev->curr_hwmode != HWMODE_A));
 418                 break;
 419         case ANTENNA_A:
 420                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
 421                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
 422
 423                 if (rt2x00dev->curr_hwmode == HWMODE_A)
 424                         rt2x00_set_field8(&r77, BBP_R77_PAIR, 0);
 425                 else
 426                         rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
 427                 break;
 428         case ANTENNA_B:
 429                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
 430                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
 431
 432                 if (rt2x00dev->curr_hwmode == HWMODE_A)
 433                         rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
 434                 else
 435                         rt2x00_set_field8(&r77, BBP_R77_PAIR, 0);
 436                 break;
 437         }
 438
 439         rt73usb_bbp_write(rt2x00dev, 77, r77);
 440         rt73usb_bbp_write(rt2x00dev, 3, r3);
 441         rt73usb_bbp_write(rt2x00dev, 4, r4);
 442 }
 443
 444 static void rt73usb_config_antenna_2x(struct rt2x00_dev *rt2x00dev,
 445                                       const int antenna_tx,
 446                                       const int antenna_rx)
 447 {
 448         u8 r3;
 449         u8 r4;
 450         u8 r77;
 451
 452         rt73usb_bbp_read(rt2x00dev, 3, &r3);
 453         rt73usb_bbp_read(rt2x00dev, 4, &r4);
 454         rt73usb_bbp_read(rt2x00dev, 77, &r77);
 455
 456         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
 457         rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
 458                           !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags));
 459
 460         switch (antenna_rx) {
 461         case ANTENNA_SW_DIVERSITY:
 462         case ANTENNA_HW_DIVERSITY:
 463                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
 464                 break;
 465         case ANTENNA_A:
 466                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
 467                 rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
 468                 break;
 469         case ANTENNA_B:
 470                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
 471                 rt2x00_set_field8(&r77, BBP_R77_PAIR, 0);
 472                 break;
 473         }
 474
 475         rt73usb_bbp_write(rt2x00dev, 77, r77);
 476         rt73usb_bbp_write(rt2x00dev, 3, r3);
 477         rt73usb_bbp_write(rt2x00dev, 4, r4);
 478 }
 479
 480 struct antenna_sel {
 481         u8 word;
 482         /*
 483          * value[0] -> non-LNA
 484          * value[1] -> LNA
 485          */
 486         u8 value[2];
 487 };
 488
 489 static const struct antenna_sel antenna_sel_a[] = {
 490         { 96,  { 0x58, 0x78 } },
 491         { 104, { 0x38, 0x48 } },
 492         { 75,  { 0xfe, 0x80 } },
 493         { 86,  { 0xfe, 0x80 } },
 494         { 88,  { 0xfe, 0x80 } },
 495         { 35,  { 0x60, 0x60 } },
 496         { 97,  { 0x58, 0x58 } },
 497         { 98,  { 0x58, 0x58 } },
 498 };
 499
 500 static const struct antenna_sel antenna_sel_bg[] = {
 501         { 96,  { 0x48, 0x68 } },
 502         { 104, { 0x2c, 0x3c } },
 503         { 75,  { 0xfe, 0x80 } },
 504         { 86,  { 0xfe, 0x80 } },
 505         { 88,  { 0xfe, 0x80 } },
 506         { 35,  { 0x50, 0x50 } },
 507         { 97,  { 0x48, 0x48 } },
 508         { 98,  { 0x48, 0x48 } },
 509 };
 510
 511 static void rt73usb_config_antenna(struct rt2x00_dev *rt2x00dev,
 512                                    const int antenna_tx, const int antenna_rx)
 513 {
 514         const struct antenna_sel *sel;
 515         unsigned int lna;
 516         unsigned int i;
 517         u32 reg;
 518
 519         rt73usb_register_read(rt2x00dev, PHY_CSR0, &reg);
 520
 521         if (rt2x00dev->curr_hwmode == HWMODE_A) {
 522                 sel = antenna_sel_a;
 523                 lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
 524
 525                 rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG, 0);
 526                 rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A, 1);
 527         } else {
 528                 sel = antenna_sel_bg;
 529                 lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
 530
 531                 rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG, 1);
 532                 rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A, 0);
 533         }
 534
 535         for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++)
 536                 rt73usb_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]);
 537
 538         rt73usb_register_write(rt2x00dev, PHY_CSR0, reg);
 539
 540         if (rt2x00_rf(&rt2x00dev->chip, RF5226) ||
 541             rt2x00_rf(&rt2x00dev->chip, RF5225))
 542                 rt73usb_config_antenna_5x(rt2x00dev, antenna_tx, antenna_rx);
 543         else if (rt2x00_rf(&rt2x00dev->chip, RF2528) ||
 544                  rt2x00_rf(&rt2x00dev->chip, RF2527))
 545                 rt73usb_config_antenna_2x(rt2x00dev, antenna_tx, antenna_rx);
 546 }
 547
 548 static void rt73usb_config_duration(struct rt2x00_dev *rt2x00dev,
 549                                     struct rt2x00lib_conf *libconf)
 550 {
 551         u32 reg;
 552
 553         rt73usb_register_read(rt2x00dev, MAC_CSR9, &reg);
 554         rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME, libconf->slot_time);
 555         rt73usb_register_write(rt2x00dev, MAC_CSR9, reg);
 556
 557         rt73usb_register_read(rt2x00dev, MAC_CSR8, &reg);
 558         rt2x00_set_field32(&reg, MAC_CSR8_SIFS, libconf->sifs);
 559         rt2x00_set_field32(&reg, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3);
 560         rt2x00_set_field32(&reg, MAC_CSR8_EIFS, libconf->eifs);
 561         rt73usb_register_write(rt2x00dev, MAC_CSR8, reg);
 562
 563         rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 564         rt2x00_set_field32(&reg, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
 565         rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 566
 567         rt73usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
 568         rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
 569         rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg);
 570
 571         rt73usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
 572         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL,
 573                            libconf->conf->beacon_int * 16);
 574         rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
 575 }
 576
 577 static void rt73usb_config(struct rt2x00_dev *rt2x00dev,
 578                            const unsigned int flags,
 579                            struct rt2x00lib_conf *libconf)
 580 {
 581         if (flags & CONFIG_UPDATE_PHYMODE)
 582                 rt73usb_config_phymode(rt2x00dev, libconf->basic_rates);
 583         if (flags & CONFIG_UPDATE_CHANNEL)
 584                 rt73usb_config_channel(rt2x00dev, &libconf->rf,
 585                                        libconf->conf->power_level);
 586         if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
 587                 rt73usb_config_txpower(rt2x00dev, libconf->conf->power_level);
 588         if (flags & CONFIG_UPDATE_ANTENNA)
 589                 rt73usb_config_antenna(rt2x00dev, libconf->conf->antenna_sel_tx,
 590                                        libconf->conf->antenna_sel_rx);
 591         if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
 592                 rt73usb_config_duration(rt2x00dev, libconf);
 593 }
 594
 595 /*
 596  * LED functions.
 597  */
 598 static void rt73usb_enable_led(struct rt2x00_dev *rt2x00dev)
 599 {
 600         u32 reg;
 601
 602         rt73usb_register_read(rt2x00dev, MAC_CSR14, &reg);
 603         rt2x00_set_field32(&reg, MAC_CSR14_ON_PERIOD, 70);
 604         rt2x00_set_field32(&reg, MAC_CSR14_OFF_PERIOD, 30);
 605         rt73usb_register_write(rt2x00dev, MAC_CSR14, reg);
 606
 607         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_RADIO_STATUS, 1);
 608         if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A)
 609                 rt2x00_set_field16(&rt2x00dev->led_reg,
 610                                    MCU_LEDCS_LINK_A_STATUS, 1);
 611         else
 612                 rt2x00_set_field16(&rt2x00dev->led_reg,
 613                                    MCU_LEDCS_LINK_BG_STATUS, 1);
 614
 615         rt2x00usb_vendor_request_sw(rt2x00dev, USB_LED_CONTROL, 0x0000,
 616                                     rt2x00dev->led_reg, REGISTER_TIMEOUT);
 617 }
 618
 619 static void rt73usb_disable_led(struct rt2x00_dev *rt2x00dev)
 620 {
 621         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_RADIO_STATUS, 0);
 622         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LINK_BG_STATUS, 0);
 623         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LINK_A_STATUS, 0);
 624
 625         rt2x00usb_vendor_request_sw(rt2x00dev, USB_LED_CONTROL, 0x0000,
 626                                     rt2x00dev->led_reg, REGISTER_TIMEOUT);
 627 }
 628
 629 static void rt73usb_activity_led(struct rt2x00_dev *rt2x00dev, int rssi)
 630 {
 631         u32 led;
 632
 633         if (rt2x00dev->led_mode != LED_MODE_SIGNAL_STRENGTH)
 634                 return;
 635
 636         /*
 637          * Led handling requires a positive value for the rssi,
 638          * to do that correctly we need to add the correction.
 639          */
 640         rssi += rt2x00dev->rssi_offset;
 641
 642         if (rssi <= 30)
 643                 led = 0;
 644         else if (rssi <= 39)
 645                 led = 1;
 646         else if (rssi <= 49)
 647                 led = 2;
 648         else if (rssi <= 53)
 649                 led = 3;
 650         else if (rssi <= 63)
 651                 led = 4;
 652         else
 653                 led = 5;
 654
 655         rt2x00usb_vendor_request_sw(rt2x00dev, USB_LED_CONTROL, led,
 656                                     rt2x00dev->led_reg, REGISTER_TIMEOUT);
 657 }
 658
 659 /*
 660  * Link tuning
 661  */
 662 static void rt73usb_link_stats(struct rt2x00_dev *rt2x00dev)
 663 {
 664         u32 reg;
 665
 666         /*
 667          * Update FCS error count from register.
 668          */
 669         rt73usb_register_read(rt2x00dev, STA_CSR0, &reg);
 670         rt2x00dev->link.rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR);
 671
 672         /*
 673          * Update False CCA count from register.
 674          */
 675         rt73usb_register_read(rt2x00dev, STA_CSR1, &reg);
 676         reg = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
 677         rt2x00dev->link.false_cca =
 678             rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
 679 }
 680
 681 static void rt73usb_reset_tuner(struct rt2x00_dev *rt2x00dev)
 682 {
 683         rt73usb_bbp_write(rt2x00dev, 17, 0x20);
 684         rt2x00dev->link.vgc_level = 0x20;
 685 }
 686
 687 static void rt73usb_link_tuner(struct rt2x00_dev *rt2x00dev)
 688 {
 689         int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
 690         u8 r17;
 691         u8 up_bound;
 692         u8 low_bound;
 693
 694         /*
 695          * Update Led strength
 696          */
 697         rt73usb_activity_led(rt2x00dev, rssi);
 698
 699         rt73usb_bbp_read(rt2x00dev, 17, &r17);
 700
 701         /*
 702          * Determine r17 bounds.
 703          */
 704         if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A) {
 705                 low_bound = 0x28;
 706                 up_bound = 0x48;
 707
 708                 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
 709                         low_bound += 0x10;
 710                         up_bound += 0x10;
 711                 }
 712         } else {
 713                 if (rssi > -82) {
 714                         low_bound = 0x1c;
 715                         up_bound = 0x40;
 716                 } else if (rssi > -84) {
 717                         low_bound = 0x1c;
 718                         up_bound = 0x20;
 719                 } else {
 720                         low_bound = 0x1c;
 721                         up_bound = 0x1c;
 722                 }
 723
 724                 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
 725                         low_bound += 0x14;
 726                         up_bound += 0x10;
 727                 }
 728         }
 729
 730         /*
 731          * Special big-R17 for very short distance
 732          */
 733         if (rssi > -35) {
 734                 if (r17 != 0x60)
 735                         rt73usb_bbp_write(rt2x00dev, 17, 0x60);
 736                 return;
 737         }
 738
 739         /*
 740          * Special big-R17 for short distance
 741          */
 742         if (rssi >= -58) {
 743                 if (r17 != up_bound)
 744                         rt73usb_bbp_write(rt2x00dev, 17, up_bound);
 745                 return;
 746         }
 747
 748         /*
 749          * Special big-R17 for middle-short distance
 750          */
 751         if (rssi >= -66) {
 752                 low_bound += 0x10;
 753                 if (r17 != low_bound)
 754                         rt73usb_bbp_write(rt2x00dev, 17, low_bound);
 755                 return;
 756         }
 757
 758         /*
 759          * Special mid-R17 for middle distance
 760          */
 761         if (rssi >= -74) {
 762                 if (r17 != (low_bound + 0x10))
 763                         rt73usb_bbp_write(rt2x00dev, 17, low_bound + 0x08);
 764                 return;
 765         }
 766
 767         /*
 768          * Special case: Change up_bound based on the rssi.
 769          * Lower up_bound when rssi is weaker then -74 dBm.
 770          */
 771         up_bound -= 2 * (-74 - rssi);
 772         if (low_bound > up_bound)
 773                 up_bound = low_bound;
 774
 775         if (r17 > up_bound) {
 776                 rt73usb_bbp_write(rt2x00dev, 17, up_bound);
 777                 return;
 778         }
 779
 780         /*
 781          * r17 does not yet exceed upper limit, continue and base
 782          * the r17 tuning on the false CCA count.
 783          */
 784         if (rt2x00dev->link.false_cca > 512 && r17 < up_bound) {
 785                 r17 += 4;
 786                 if (r17 > up_bound)
 787                         r17 = up_bound;
 788                 rt73usb_bbp_write(rt2x00dev, 17, r17);
 789         } else if (rt2x00dev->link.false_cca < 100 && r17 > low_bound) {
 790                 r17 -= 4;
 791                 if (r17 < low_bound)
 792                         r17 = low_bound;
 793                 rt73usb_bbp_write(rt2x00dev, 17, r17);
 794         }
 795 }
 796
 797 /*
 798  * Firmware name function.
 799  */
 800 static char *rt73usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
 801 {
 802         return FIRMWARE_RT2571;
 803 }
 804
 805 /*
 806  * Initialization functions.
 807  */
 808 static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, void *data,
 809                                  const size_t len)
 810 {
 811         unsigned int i;
 812         int status;
 813         u32 reg;
 814         char *ptr = data;
 815         char *cache;
 816         int buflen;
 817         int timeout;
 818
 819         /*
 820          * Wait for stable hardware.
 821          */
 822         for (i = 0; i < 100; i++) {
 823                 rt73usb_register_read(rt2x00dev, MAC_CSR0, &reg);
 824                 if (reg)
 825                         break;
 826                 msleep(1);
 827         }
 828
 829         if (!reg) {
 830                 ERROR(rt2x00dev, "Unstable hardware.\n");
 831                 return -EBUSY;
 832         }
 833
 834         /*
 835          * Write firmware to device.
 836          * We setup a seperate cache for this action,
 837          * since we are going to write larger chunks of data
 838          * then normally used cache size.
 839          */
 840         cache = kmalloc(CSR_CACHE_SIZE_FIRMWARE, GFP_KERNEL);
 841         if (!cache) {
 842                 ERROR(rt2x00dev, "Failed to allocate firmware cache.\n");
 843                 return -ENOMEM;
 844         }
 845
 846         for (i = 0; i < len; i += CSR_CACHE_SIZE_FIRMWARE) {
 847                 buflen = min_t(int, len - i, CSR_CACHE_SIZE_FIRMWARE);
 848                 timeout = REGISTER_TIMEOUT * (buflen / sizeof(u32));
 849
 850                 memcpy(cache, ptr, buflen);
 851
 852                 rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE,
 853                                          USB_VENDOR_REQUEST_OUT,
 854                                          FIRMWARE_IMAGE_BASE + i, 0x0000,
 855                                          cache, buflen, timeout);
 856
 857                 ptr += buflen;
 858         }
 859
 860         kfree(cache);
 861
 862         /*
 863          * Send firmware request to device to load firmware,
 864          * we need to specify a long timeout time.
 865          */
 866         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
 867                                              0x0000, USB_MODE_FIRMWARE,
 868                                              REGISTER_TIMEOUT_FIRMWARE);
 869         if (status < 0) {
 870                 ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
 871                 return status;
 872         }
 873
 874         rt73usb_disable_led(rt2x00dev);
 875
 876         return 0;
 877 }
 878
 879 static int rt73usb_init_registers(struct rt2x00_dev *rt2x00dev)
 880 {
 881         u32 reg;
 882
 883         rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 884         rt2x00_set_field32(&reg, TXRX_CSR0_AUTO_TX_SEQ, 1);
 885         rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 0);
 886         rt2x00_set_field32(&reg, TXRX_CSR0_TX_WITHOUT_WAITING, 0);
 887         rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 888
 889         rt73usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
 890         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0, 47); /* CCK Signal */
 891         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0_VALID, 1);
 892         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1, 30); /* Rssi */
 893         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1_VALID, 1);
 894         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2, 42); /* OFDM Rate */
 895         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2_VALID, 1);
 896         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3, 30); /* Rssi */
 897         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3_VALID, 1);
 898         rt73usb_register_write(rt2x00dev, TXRX_CSR1, reg);
 899
 900         /*
 901          * CCK TXD BBP registers
 902          */
 903         rt73usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 904         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0, 13);
 905         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0_VALID, 1);
 906         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1, 12);
 907         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1_VALID, 1);
 908         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2, 11);
 909         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2_VALID, 1);
 910         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3, 10);
 911         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3_VALID, 1);
 912         rt73usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 913
 914         /*
 915          * OFDM TXD BBP registers
 916          */
 917         rt73usb_register_read(rt2x00dev, TXRX_CSR3, &reg);
 918         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0, 7);
 919         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0_VALID, 1);
 920         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1, 6);
 921         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1_VALID, 1);
 922         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2, 5);
 923         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2_VALID, 1);
 924         rt73usb_register_write(rt2x00dev, TXRX_CSR3, reg);
 925
 926         rt73usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
 927         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_6MBS, 59);
 928         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_9MBS, 53);
 929         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_12MBS, 49);
 930         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_18MBS, 46);
 931         rt73usb_register_write(rt2x00dev, TXRX_CSR7, reg);
 932
 933         rt73usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
 934         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_24MBS, 44);
 935         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_36MBS, 42);
 936         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_48MBS, 42);
 937         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_54MBS, 42);
 938         rt73usb_register_write(rt2x00dev, TXRX_CSR8, reg);
 939
 940         rt73usb_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f);
 941
 942         rt73usb_register_read(rt2x00dev, MAC_CSR6, &reg);
 943         rt2x00_set_field32(&reg, MAC_CSR6_MAX_FRAME_UNIT, 0xfff);
 944         rt73usb_register_write(rt2x00dev, MAC_CSR6, reg);
 945
 946         rt73usb_register_write(rt2x00dev, MAC_CSR10, 0x00000718);
 947
 948         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
 949                 return -EBUSY;
 950
 951         rt73usb_register_write(rt2x00dev, MAC_CSR13, 0x00007f00);
 952
 953         /*
 954          * Invalidate all Shared Keys (SEC_CSR0),
 955          * and clear the Shared key Cipher algorithms (SEC_CSR1 & SEC_CSR5)
 956          */
 957         rt73usb_register_write(rt2x00dev, SEC_CSR0, 0x00000000);
 958         rt73usb_register_write(rt2x00dev, SEC_CSR1, 0x00000000);
 959         rt73usb_register_write(rt2x00dev, SEC_CSR5, 0x00000000);
 960
 961         reg = 0x000023b0;
 962         if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
 963             rt2x00_rf(&rt2x00dev->chip, RF2527))
 964                 rt2x00_set_field32(&reg, PHY_CSR1_RF_RPI, 1);
 965         rt73usb_register_write(rt2x00dev, PHY_CSR1, reg);
 966
 967         rt73usb_register_write(rt2x00dev, PHY_CSR5, 0x00040a06);
 968         rt73usb_register_write(rt2x00dev, PHY_CSR6, 0x00080606);
 969         rt73usb_register_write(rt2x00dev, PHY_CSR7, 0x00000408);
 970
 971         rt73usb_register_read(rt2x00dev, AC_TXOP_CSR0, &reg);
 972         rt2x00_set_field32(&reg, AC_TXOP_CSR0_AC0_TX_OP, 0);
 973         rt2x00_set_field32(&reg, AC_TXOP_CSR0_AC1_TX_OP, 0);
 974         rt73usb_register_write(rt2x00dev, AC_TXOP_CSR0, reg);
 975
 976         rt73usb_register_read(rt2x00dev, AC_TXOP_CSR1, &reg);
 977         rt2x00_set_field32(&reg, AC_TXOP_CSR1_AC2_TX_OP, 192);
 978         rt2x00_set_field32(&reg, AC_TXOP_CSR1_AC3_TX_OP, 48);
 979         rt73usb_register_write(rt2x00dev, AC_TXOP_CSR1, reg);
 980
 981         rt73usb_register_read(rt2x00dev, MAC_CSR9, &reg);
 982         rt2x00_set_field32(&reg, MAC_CSR9_CW_SELECT, 0);
 983         rt73usb_register_write(rt2x00dev, MAC_CSR9, reg);
 984
 985         /*
 986          * We must clear the error counters.
 987          * These registers are cleared on read,
 988          * so we may pass a useless variable to store the value.
 989          */
 990         rt73usb_register_read(rt2x00dev, STA_CSR0, &reg);
 991         rt73usb_register_read(rt2x00dev, STA_CSR1, &reg);
 992         rt73usb_register_read(rt2x00dev, STA_CSR2, &reg);
 993
 994         /*
 995          * Reset MAC and BBP registers.
 996          */
 997         rt73usb_register_read(rt2x00dev, MAC_CSR1, &reg);
 998         rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 1);
 999         rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 1);
1000         rt73usb_register_write(rt2x00dev, MAC_CSR1, reg);
1001
1002         rt73usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1003         rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 0);
1004         rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 0);
1005         rt73usb_register_write(rt2x00dev, MAC_CSR1, reg);
1006
1007         rt73usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1008         rt2x00_set_field32(&reg, MAC_CSR1_HOST_READY, 1);
1009         rt73usb_register_write(rt2x00dev, MAC_CSR1, reg);
1010
1011         return 0;
1012 }
1013
1014 static int rt73usb_init_bbp(struct rt2x00_dev *rt2x00dev)
1015 {
1016         unsigned int i;
1017         u16 eeprom;
1018         u8 reg_id;
1019         u8 value;
1020
1021         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1022                 rt73usb_bbp_read(rt2x00dev, 0, &value);
1023                 if ((value != 0xff) && (value != 0x00))
1024                         goto continue_csr_init;
1025                 NOTICE(rt2x00dev, "Waiting for BBP register.\n");
1026                 udelay(REGISTER_BUSY_DELAY);
1027         }
1028
1029         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
1030         return -EACCES;
1031
1032 continue_csr_init:
1033         rt73usb_bbp_write(rt2x00dev, 3, 0x80);
1034         rt73usb_bbp_write(rt2x00dev, 15, 0x30);
1035         rt73usb_bbp_write(rt2x00dev, 21, 0xc8);
1036         rt73usb_bbp_write(rt2x00dev, 22, 0x38);
1037         rt73usb_bbp_write(rt2x00dev, 23, 0x06);
1038         rt73usb_bbp_write(rt2x00dev, 24, 0xfe);
1039         rt73usb_bbp_write(rt2x00dev, 25, 0x0a);
1040         rt73usb_bbp_write(rt2x00dev, 26, 0x0d);
1041         rt73usb_bbp_write(rt2x00dev, 32, 0x0b);
1042         rt73usb_bbp_write(rt2x00dev, 34, 0x12);
1043         rt73usb_bbp_write(rt2x00dev, 37, 0x07);
1044         rt73usb_bbp_write(rt2x00dev, 39, 0xf8);
1045         rt73usb_bbp_write(rt2x00dev, 41, 0x60);
1046         rt73usb_bbp_write(rt2x00dev, 53, 0x10);
1047         rt73usb_bbp_write(rt2x00dev, 54, 0x18);
1048         rt73usb_bbp_write(rt2x00dev, 60, 0x10);
1049         rt73usb_bbp_write(rt2x00dev, 61, 0x04);
1050         rt73usb_bbp_write(rt2x00dev, 62, 0x04);
1051         rt73usb_bbp_write(rt2x00dev, 75, 0xfe);
1052         rt73usb_bbp_write(rt2x00dev, 86, 0xfe);
1053         rt73usb_bbp_write(rt2x00dev, 88, 0xfe);
1054         rt73usb_bbp_write(rt2x00dev, 90, 0x0f);
1055         rt73usb_bbp_write(rt2x00dev, 99, 0x00);
1056         rt73usb_bbp_write(rt2x00dev, 102, 0x16);
1057         rt73usb_bbp_write(rt2x00dev, 107, 0x04);
1058
1059         DEBUG(rt2x00dev, "Start initialization from EEPROM...\n");
1060         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1061                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1062
1063                 if (eeprom != 0xffff && eeprom != 0x0000) {
1064                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1065                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
1066                         DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n",
1067                               reg_id, value);
1068                         rt73usb_bbp_write(rt2x00dev, reg_id, value);
1069                 }
1070         }
1071         DEBUG(rt2x00dev, "...End initialization from EEPROM.\n");
1072
1073         return 0;
1074 }
1075
1076 /*
1077  * Device state switch handlers.
1078  */
1079 static void rt73usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
1080                               enum dev_state state)
1081 {
1082         u32 reg;
1083
1084         rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1085         rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX,
1086                            state == STATE_RADIO_RX_OFF);
1087         rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1088 }
1089
1090 static int rt73usb_enable_radio(struct rt2x00_dev *rt2x00dev)
1091 {
1092         /*
1093          * Initialize all registers.
1094          */
1095         if (rt73usb_init_registers(rt2x00dev) ||
1096             rt73usb_init_bbp(rt2x00dev)) {
1097                 ERROR(rt2x00dev, "Register initialization failed.\n");
1098                 return -EIO;
1099         }
1100
1101         rt2x00usb_enable_radio(rt2x00dev);
1102
1103         /*
1104          * Enable LED
1105          */
1106         rt73usb_enable_led(rt2x00dev);
1107
1108         return 0;
1109 }
1110
1111 static void rt73usb_disable_radio(struct rt2x00_dev *rt2x00dev)
1112 {
1113         /*
1114          * Disable LED
1115          */
1116         rt73usb_disable_led(rt2x00dev);
1117
1118         rt73usb_register_write(rt2x00dev, MAC_CSR10, 0x00001818);
1119
1120         /*
1121          * Disable synchronisation.
1122          */
1123         rt73usb_register_write(rt2x00dev, TXRX_CSR9, 0);
1124
1125         rt2x00usb_disable_radio(rt2x00dev);
1126 }
1127
1128 static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state)
1129 {
1130         u32 reg;
1131         unsigned int i;
1132         char put_to_sleep;
1133         char current_state;
1134
1135         put_to_sleep = (state != STATE_AWAKE);
1136
1137         rt73usb_register_read(rt2x00dev, MAC_CSR12, &reg);
1138         rt2x00_set_field32(&reg, MAC_CSR12_FORCE_WAKEUP, !put_to_sleep);
1139         rt2x00_set_field32(&reg, MAC_CSR12_PUT_TO_SLEEP, put_to_sleep);
1140         rt73usb_register_write(rt2x00dev, MAC_CSR12, reg);
1141
1142         /*
1143          * Device is not guaranteed to be in the requested state yet.
1144          * We must wait until the register indicates that the
1145          * device has entered the correct state.
1146          */
1147         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1148                 rt73usb_register_read(rt2x00dev, MAC_CSR12, &reg);
1149                 current_state =
1150                     rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE);
1151                 if (current_state == !put_to_sleep)
1152                         return 0;
1153                 msleep(10);
1154         }
1155
1156         NOTICE(rt2x00dev, "Device failed to enter state %d, "
1157                "current device state %d.\n", !put_to_sleep, current_state);
1158
1159         return -EBUSY;
1160 }
1161
1162 static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev,
1163                                     enum dev_state state)
1164 {
1165         int retval = 0;
1166
1167         switch (state) {
1168         case STATE_RADIO_ON:
1169                 retval = rt73usb_enable_radio(rt2x00dev);
1170                 break;
1171         case STATE_RADIO_OFF:
1172                 rt73usb_disable_radio(rt2x00dev);
1173                 break;
1174         case STATE_RADIO_RX_ON:
1175         case STATE_RADIO_RX_OFF:
1176                 rt73usb_toggle_rx(rt2x00dev, state);
1177                 break;
1178         case STATE_DEEP_SLEEP:
1179         case STATE_SLEEP:
1180         case STATE_STANDBY:
1181         case STATE_AWAKE:
1182                 retval = rt73usb_set_state(rt2x00dev, state);
1183                 break;
1184         default:
1185                 retval = -ENOTSUPP;
1186                 break;
1187         }
1188
1189         return retval;
1190 }
1191
1192 /*
1193  * TX descriptor initialization
1194  */
1195 static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1196                                   struct data_desc *txd,
1197                                   struct txdata_entry_desc *desc,
1198                                   struct ieee80211_hdr *ieee80211hdr,
1199                                   unsigned int length,
1200                                   struct ieee80211_tx_control *control)
1201 {
1202         u32 word;
1203
1204         /*
1205          * Start writing the descriptor words.
1206          */
1207         rt2x00_desc_read(txd, 1, &word);
1208         rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, desc->queue);
1209         rt2x00_set_field32(&word, TXD_W1_AIFSN, desc->aifs);
1210         rt2x00_set_field32(&word, TXD_W1_CWMIN, desc->cw_min);
1211         rt2x00_set_field32(&word, TXD_W1_CWMAX, desc->cw_max);
1212         rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER);
1213         rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE, 1);
1214         rt2x00_desc_write(txd, 1, word);
1215
1216         rt2x00_desc_read(txd, 2, &word);
1217         rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, desc->signal);
1218         rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, desc->service);
1219         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, desc->length_low);
1220         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, desc->length_high);
1221         rt2x00_desc_write(txd, 2, word);
1222
1223         rt2x00_desc_read(txd, 5, &word);
1224         rt2x00_set_field32(&word, TXD_W5_TX_POWER,
1225                            TXPOWER_TO_DEV(control->power_level));
1226         rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
1227         rt2x00_desc_write(txd, 5, word);
1228
1229         rt2x00_desc_read(txd, 0, &word);
1230         rt2x00_set_field32(&word, TXD_W0_BURST,
1231                            test_bit(ENTRY_TXD_BURST, &desc->flags));
1232         rt2x00_set_field32(&word, TXD_W0_VALID, 1);
1233         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1234                            test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags));
1235         rt2x00_set_field32(&word, TXD_W0_ACK,
1236                            !(control->flags & IEEE80211_TXCTL_NO_ACK));
1237         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1238                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags));
1239         rt2x00_set_field32(&word, TXD_W0_OFDM,
1240                            test_bit(ENTRY_TXD_OFDM_RATE, &desc->flags));
1241         rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs);
1242         rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
1243                            !!(control->flags &
1244                               IEEE80211_TXCTL_LONG_RETRY_LIMIT));
1245         rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, 0);
1246         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, length);
1247         rt2x00_set_field32(&word, TXD_W0_BURST2,
1248                            test_bit(ENTRY_TXD_BURST, &desc->flags));
1249         rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE);
1250         rt2x00_desc_write(txd, 0, word);
1251 }
1252
1253 static int rt73usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
1254                                    struct sk_buff *skb)
1255 {
1256         int length;
1257
1258         /*
1259          * The length _must_ be a multiple of 4,
1260          * but it must _not_ be a multiple of the USB packet size.
1261          */
1262         length = roundup(skb->len, 4);
1263         length += (4 * !(length % rt2x00dev->usb_maxpacket));
1264
1265         return length;
1266 }
1267
1268 /*
1269  * TX data initialization
1270  */
1271 static void rt73usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1272                                   unsigned int queue)
1273 {
1274         u32 reg;
1275
1276         if (queue != IEEE80211_TX_QUEUE_BEACON)
1277                 return;
1278
1279         /*
1280          * For Wi-Fi faily generated beacons between participating stations.
1281          * Set TBTT phase adaptive adjustment step to 8us (default 16us)
1282          */
1283         rt73usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008);
1284
1285         rt73usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1286         if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) {
1287                 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
1288                 rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1289         }
1290 }
1291
1292 /*
1293  * RX control handlers
1294  */
1295 static int rt73usb_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
1296 {
1297         u16 eeprom;
1298         u8 offset;
1299         u8 lna;
1300
1301         lna = rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_LNA);
1302         switch (lna) {
1303         case 3:
1304                 offset = 90;
1305                 break;
1306         case 2:
1307                 offset = 74;
1308                 break;
1309         case 1:
1310                 offset = 64;
1311                 break;
1312         default:
1313                 return 0;
1314         }
1315
1316         if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A) {
1317                 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
1318                         if (lna == 3 || lna == 2)
1319                                 offset += 10;
1320                 } else {
1321                         if (lna == 3)
1322                                 offset += 6;
1323                         else if (lna == 2)
1324                                 offset += 8;
1325                 }
1326
1327                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &eeprom);
1328                 offset -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_A_1);
1329         } else {
1330                 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags))
1331                         offset += 14;
1332
1333                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &eeprom);
1334                 offset -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_BG_1);
1335         }
1336
1337         return rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_AGC) * 2 - offset;
1338 }
1339
1340 static void rt73usb_fill_rxdone(struct data_entry *entry,
1341                                 struct rxdata_entry_desc *desc)
1342 {
1343         struct data_desc *rxd = (struct data_desc *)entry->skb->data;
1344         u32 word0;
1345         u32 word1;
1346
1347         rt2x00_desc_read(rxd, 0, &word0);
1348         rt2x00_desc_read(rxd, 1, &word1);
1349
1350         desc->flags = 0;
1351         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1352                 desc->flags |= RX_FLAG_FAILED_FCS_CRC;
1353
1354         /*
1355          * Obtain the status about this packet.
1356          */
1357         desc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1358         desc->rssi = rt73usb_agc_to_rssi(entry->ring->rt2x00dev, word1);
1359         desc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM);
1360         desc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1361
1362         /*
1363          * Pull the skb to clear the descriptor area.
1364          */
1365         skb_pull(entry->skb, entry->ring->desc_size);
1366
1367         return;
1368 }
1369
1370 /*
1371  * Device probe functions.
1372  */
1373 static int rt73usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1374 {
1375         u16 word;
1376         u8 *mac;
1377         s8 value;
1378
1379         rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1380
1381         /*
1382          * Start validation of the data that has been read.
1383          */
1384         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1385         if (!is_valid_ether_addr(mac)) {
1386                 DECLARE_MAC_BUF(macbuf);
1387
1388                 random_ether_addr(mac);
1389                 EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
1390         }
1391
1392         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1393         if (word == 0xffff) {
1394                 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1395                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, 2);
1396                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, 2);
1397                 rt2x00_set_field16(&word, EEPROM_ANTENNA_FRAME_TYPE, 0);
1398                 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1399                 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1400                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF5226);
1401                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1402                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1403         }
1404
1405         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1406         if (word == 0xffff) {
1407                 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA, 0);
1408                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1409                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1410         }
1411
1412         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &word);
1413         if (word == 0xffff) {
1414                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_G, 0);
1415                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_A, 0);
1416                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_ACT, 0);
1417                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_0, 0);
1418                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_1, 0);
1419                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_2, 0);
1420                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_3, 0);
1421                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_4, 0);
1422                 rt2x00_set_field16(&word, EEPROM_LED_LED_MODE,
1423                                    LED_MODE_DEFAULT);
1424                 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED, word);
1425                 EEPROM(rt2x00dev, "Led: 0x%04x\n", word);
1426         }
1427
1428         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
1429         if (word == 0xffff) {
1430                 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
1431                 rt2x00_set_field16(&word, EEPROM_FREQ_SEQ, 0);
1432                 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
1433                 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
1434         }
1435
1436         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &word);
1437         if (word == 0xffff) {
1438                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1439                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1440                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1441                 EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word);
1442         } else {
1443                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_1);
1444                 if (value < -10 || value > 10)
1445                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1446                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_2);
1447                 if (value < -10 || value > 10)
1448                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1449                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1450         }
1451
1452         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &word);
1453         if (word == 0xffff) {
1454                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1455                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1456                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
1457                 EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word);
1458         } else {
1459                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_1);
1460                 if (value < -10 || value > 10)
1461                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1462                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_2);
1463                 if (value < -10 || value > 10)
1464                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1465                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
1466         }
1467
1468         return 0;
1469 }
1470
1471 static int rt73usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1472 {
1473         u32 reg;
1474         u16 value;
1475         u16 eeprom;
1476
1477         /*
1478          * Read EEPROM word for configuration.
1479          */
1480         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1481
1482         /*
1483          * Identify RF chipset.
1484          */
1485         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1486         rt73usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1487         rt2x00_set_chip(rt2x00dev, RT2571, value, reg);
1488
1489         if (!rt2x00_check_rev(&rt2x00dev->chip, 0x25730)) {
1490                 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1491                 return -ENODEV;
1492         }
1493
1494         if (!rt2x00_rf(&rt2x00dev->chip, RF5226) &&
1495             !rt2x00_rf(&rt2x00dev->chip, RF2528) &&
1496             !rt2x00_rf(&rt2x00dev->chip, RF5225) &&
1497             !rt2x00_rf(&rt2x00dev->chip, RF2527)) {
1498                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1499                 return -ENODEV;
1500         }
1501
1502         /*
1503          * Identify default antenna configuration.
1504          */
1505         rt2x00dev->hw->conf.antenna_sel_tx =
1506             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1507         rt2x00dev->hw->conf.antenna_sel_rx =
1508             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1509
1510         /*
1511          * Read the Frame type.
1512          */
1513         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_FRAME_TYPE))
1514                 __set_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags);
1515
1516         /*
1517          * Read frequency offset.
1518          */
1519         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1520         rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
1521
1522         /*
1523          * Read external LNA informations.
1524          */
1525         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1526
1527         if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA)) {
1528                 __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
1529                 __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
1530         }
1531
1532         /*
1533          * Store led settings, for correct led behaviour.
1534          */
1535         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom);
1536
1537         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LED_MODE,
1538                            rt2x00dev->led_mode);
1539         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_0,
1540                            rt2x00_get_field16(eeprom,
1541                                               EEPROM_LED_POLARITY_GPIO_0));
1542         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_1,
1543                            rt2x00_get_field16(eeprom,
1544                                               EEPROM_LED_POLARITY_GPIO_1));
1545         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_2,
1546                            rt2x00_get_field16(eeprom,
1547                                               EEPROM_LED_POLARITY_GPIO_2));
1548         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_3,
1549                            rt2x00_get_field16(eeprom,
1550                                               EEPROM_LED_POLARITY_GPIO_3));
1551         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_4,
1552                            rt2x00_get_field16(eeprom,
1553                                               EEPROM_LED_POLARITY_GPIO_4));
1554         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_ACT,
1555                            rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_ACT));
1556         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_READY_BG,
1557                            rt2x00_get_field16(eeprom,
1558                                               EEPROM_LED_POLARITY_RDY_G));
1559         rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_READY_A,
1560                            rt2x00_get_field16(eeprom,
1561                                               EEPROM_LED_POLARITY_RDY_A));
1562
1563         return 0;
1564 }
1565
1566 /*
1567  * RF value list for RF2528
1568  * Supports: 2.4 GHz
1569  */
1570 static const struct rf_channel rf_vals_bg_2528[] = {
1571         { 1,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b },
1572         { 2,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f },
1573         { 3,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b },
1574         { 4,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f },
1575         { 5,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b },
1576         { 6,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f },
1577         { 7,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b },
1578         { 8,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f },
1579         { 9,  0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b },
1580         { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f },
1581         { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b },
1582         { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f },
1583         { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b },
1584         { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 },
1585 };
1586
1587 /*
1588  * RF value list for RF5226
1589  * Supports: 2.4 GHz & 5.2 GHz
1590  */
1591 static const struct rf_channel rf_vals_5226[] = {
1592         { 1,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b },
1593         { 2,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f },
1594         { 3,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b },
1595         { 4,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f },
1596         { 5,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b },
1597         { 6,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f },
1598         { 7,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b },
1599         { 8,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f },
1600         { 9,  0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b },
1601         { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f },
1602         { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b },
1603         { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f },
1604         { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b },
1605         { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 },
1606
1607         /* 802.11 UNI / HyperLan 2 */
1608         { 36, 0x00002c0c, 0x0000099a, 0x00098255, 0x000fea23 },
1609         { 40, 0x00002c0c, 0x000009a2, 0x00098255, 0x000fea03 },
1610         { 44, 0x00002c0c, 0x000009a6, 0x00098255, 0x000fea0b },
1611         { 48, 0x00002c0c, 0x000009aa, 0x00098255, 0x000fea13 },
1612         { 52, 0x00002c0c, 0x000009ae, 0x00098255, 0x000fea1b },
1613         { 56, 0x00002c0c, 0x000009b2, 0x00098255, 0x000fea23 },
1614         { 60, 0x00002c0c, 0x000009ba, 0x00098255, 0x000fea03 },
1615         { 64, 0x00002c0c, 0x000009be, 0x00098255, 0x000fea0b },
1616
1617         /* 802.11 HyperLan 2 */
1618         { 100, 0x00002c0c, 0x00000a2a, 0x000b8255, 0x000fea03 },
1619         { 104, 0x00002c0c, 0x00000a2e, 0x000b8255, 0x000fea0b },
1620         { 108, 0x00002c0c, 0x00000a32, 0x000b8255, 0x000fea13 },
1621         { 112, 0x00002c0c, 0x00000a36, 0x000b8255, 0x000fea1b },
1622         { 116, 0x00002c0c, 0x00000a3a, 0x000b8255, 0x000fea23 },
1623         { 120, 0x00002c0c, 0x00000a82, 0x000b8255, 0x000fea03 },
1624         { 124, 0x00002c0c, 0x00000a86, 0x000b8255, 0x000fea0b },
1625         { 128, 0x00002c0c, 0x00000a8a, 0x000b8255, 0x000fea13 },
1626         { 132, 0x00002c0c, 0x00000a8e, 0x000b8255, 0x000fea1b },
1627         { 136, 0x00002c0c, 0x00000a92, 0x000b8255, 0x000fea23 },
1628
1629         /* 802.11 UNII */
1630         { 140, 0x00002c0c, 0x00000a9a, 0x000b8255, 0x000fea03 },
1631         { 149, 0x00002c0c, 0x00000aa2, 0x000b8255, 0x000fea1f },
1632         { 153, 0x00002c0c, 0x00000aa6, 0x000b8255, 0x000fea27 },
1633         { 157, 0x00002c0c, 0x00000aae, 0x000b8255, 0x000fea07 },
1634         { 161, 0x00002c0c, 0x00000ab2, 0x000b8255, 0x000fea0f },
1635         { 165, 0x00002c0c, 0x00000ab6, 0x000b8255, 0x000fea17 },
1636
1637         /* MMAC(Japan)J52 ch 34,38,42,46 */
1638         { 34, 0x00002c0c, 0x0008099a, 0x000da255, 0x000d3a0b },
1639         { 38, 0x00002c0c, 0x0008099e, 0x000da255, 0x000d3a13 },
1640         { 42, 0x00002c0c, 0x000809a2, 0x000da255, 0x000d3a1b },
1641         { 46, 0x00002c0c, 0x000809a6, 0x000da255, 0x000d3a23 },
1642 };
1643
1644 /*
1645  * RF value list for RF5225 & RF2527
1646  * Supports: 2.4 GHz & 5.2 GHz
1647  */
1648 static const struct rf_channel rf_vals_5225_2527[] = {
1649         { 1,  0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b },
1650         { 2,  0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f },
1651         { 3,  0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b },
1652         { 4,  0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f },
1653         { 5,  0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b },
1654         { 6,  0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f },
1655         { 7,  0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b },
1656         { 8,  0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f },
1657         { 9,  0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b },
1658         { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f },
1659         { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b },
1660         { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f },
1661         { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b },
1662         { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 },
1663
1664         /* 802.11 UNI / HyperLan 2 */
1665         { 36, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa23 },
1666         { 40, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa03 },
1667         { 44, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa0b },
1668         { 48, 0x00002ccc, 0x000049aa, 0x0009be55, 0x000ffa13 },
1669         { 52, 0x00002ccc, 0x000049ae, 0x0009ae55, 0x000ffa1b },
1670         { 56, 0x00002ccc, 0x000049b2, 0x0009ae55, 0x000ffa23 },
1671         { 60, 0x00002ccc, 0x000049ba, 0x0009ae55, 0x000ffa03 },
1672         { 64, 0x00002ccc, 0x000049be, 0x0009ae55, 0x000ffa0b },
1673
1674         /* 802.11 HyperLan 2 */
1675         { 100, 0x00002ccc, 0x00004a2a, 0x000bae55, 0x000ffa03 },
1676         { 104, 0x00002ccc, 0x00004a2e, 0x000bae55, 0x000ffa0b },
1677         { 108, 0x00002ccc, 0x00004a32, 0x000bae55, 0x000ffa13 },
1678         { 112, 0x00002ccc, 0x00004a36, 0x000bae55, 0x000ffa1b },
1679         { 116, 0x00002ccc, 0x00004a3a, 0x000bbe55, 0x000ffa23 },
1680         { 120, 0x00002ccc, 0x00004a82, 0x000bbe55, 0x000ffa03 },
1681         { 124, 0x00002ccc, 0x00004a86, 0x000bbe55, 0x000ffa0b },
1682         { 128, 0x00002ccc, 0x00004a8a, 0x000bbe55, 0x000ffa13 },
1683         { 132, 0x00002ccc, 0x00004a8e, 0x000bbe55, 0x000ffa1b },
1684         { 136, 0x00002ccc, 0x00004a92, 0x000bbe55, 0x000ffa23 },
1685
1686         /* 802.11 UNII */
1687         { 140, 0x00002ccc, 0x00004a9a, 0x000bbe55, 0x000ffa03 },
1688         { 149, 0x00002ccc, 0x00004aa2, 0x000bbe55, 0x000ffa1f },
1689         { 153, 0x00002ccc, 0x00004aa6, 0x000bbe55, 0x000ffa27 },
1690         { 157, 0x00002ccc, 0x00004aae, 0x000bbe55, 0x000ffa07 },
1691         { 161, 0x00002ccc, 0x00004ab2, 0x000bbe55, 0x000ffa0f },
1692         { 165, 0x00002ccc, 0x00004ab6, 0x000bbe55, 0x000ffa17 },
1693
1694         /* MMAC(Japan)J52 ch 34,38,42,46 */
1695         { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa0b },
1696         { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000ffa13 },
1697         { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa1b },
1698         { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa23 },
1699 };
1700
1701
1702 static void rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
1703 {
1704         struct hw_mode_spec *spec = &rt2x00dev->spec;
1705         u8 *txpower;
1706         unsigned int i;
1707
1708         /*
1709          * Initialize all hw fields.
1710          */
1711         rt2x00dev->hw->flags =
1712             IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE |
1713             IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
1714         rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
1715         rt2x00dev->hw->max_signal = MAX_SIGNAL;
1716         rt2x00dev->hw->max_rssi = MAX_RX_SSI;
1717         rt2x00dev->hw->queues = 5;
1718
1719         SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_usb(rt2x00dev)->dev);
1720         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1721                                 rt2x00_eeprom_addr(rt2x00dev,
1722                                                    EEPROM_MAC_ADDR_0));
1723
1724         /*
1725          * Convert tx_power array in eeprom.
1726          */
1727         txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START);
1728         for (i = 0; i < 14; i++)
1729                 txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
1730
1731         /*
1732          * Initialize hw_mode information.
1733          */
1734         spec->num_modes = 2;
1735         spec->num_rates = 12;
1736         spec->tx_power_a = NULL;
1737         spec->tx_power_bg = txpower;
1738         spec->tx_power_default = DEFAULT_TXPOWER;
1739
1740         if (rt2x00_rf(&rt2x00dev->chip, RF2528)) {
1741                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2528);
1742                 spec->channels = rf_vals_bg_2528;
1743         } else if (rt2x00_rf(&rt2x00dev->chip, RF5226)) {
1744                 spec->num_channels = ARRAY_SIZE(rf_vals_5226);
1745                 spec->channels = rf_vals_5226;
1746         } else if (rt2x00_rf(&rt2x00dev->chip, RF2527)) {
1747                 spec->num_channels = 14;
1748                 spec->channels = rf_vals_5225_2527;
1749         } else if (rt2x00_rf(&rt2x00dev->chip, RF5225)) {
1750                 spec->num_channels = ARRAY_SIZE(rf_vals_5225_2527);
1751                 spec->channels = rf_vals_5225_2527;
1752         }
1753
1754         if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
1755             rt2x00_rf(&rt2x00dev->chip, RF5226)) {
1756                 spec->num_modes = 3;
1757
1758                 txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
1759                 for (i = 0; i < 14; i++)
1760                         txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
1761
1762                 spec->tx_power_a = txpower;
1763         }
1764 }
1765
1766 static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev)
1767 {
1768         int retval;
1769
1770         /*
1771          * Allocate eeprom data.
1772          */
1773         retval = rt73usb_validate_eeprom(rt2x00dev);
1774         if (retval)
1775                 return retval;
1776
1777         retval = rt73usb_init_eeprom(rt2x00dev);
1778         if (retval)
1779                 return retval;
1780
1781         /*
1782          * Initialize hw specifications.
1783          */
1784         rt73usb_probe_hw_mode(rt2x00dev);
1785
1786         /*
1787          * This device requires firmware
1788          */
1789         __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
1790
1791         /*
1792          * Set the rssi offset.
1793          */
1794         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1795
1796         return 0;
1797 }
1798
1799 /*
1800  * IEEE80211 stack callback functions.
1801  */
1802 static void rt73usb_configure_filter(struct ieee80211_hw *hw,
1803                                      unsigned int changed_flags,
1804                                      unsigned int *total_flags,
1805                                      int mc_count,
1806                                      struct dev_addr_list *mc_list)
1807 {
1808         struct rt2x00_dev *rt2x00dev = hw->priv;
1809         struct interface *intf = &rt2x00dev->interface;
1810         u32 reg;
1811
1812         /*
1813          * Mask off any flags we are going to ignore from
1814          * the total_flags field.
1815          */
1816         *total_flags &=
1817             FIF_ALLMULTI |
1818             FIF_FCSFAIL |
1819             FIF_PLCPFAIL |
1820             FIF_CONTROL |
1821             FIF_OTHER_BSS |
1822             FIF_PROMISC_IN_BSS;
1823
1824         /*
1825          * Apply some rules to the filters:
1826          * - Some filters imply different filters to be set.
1827          * - Some things we can't filter out at all.
1828          * - Some filters are set based on interface type.
1829          */
1830         if (mc_count)
1831                 *total_flags |= FIF_ALLMULTI;
1832         if (*total_flags & FIF_OTHER_BSS ||
1833             *total_flags & FIF_PROMISC_IN_BSS)
1834                 *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS;
1835         if (is_interface_type(intf, IEEE80211_IF_TYPE_AP))
1836                 *total_flags |= FIF_PROMISC_IN_BSS;
1837
1838         /*
1839          * Check if there is any work left for us.
1840          */
1841         if (intf->filter == *total_flags)
1842                 return;
1843         intf->filter = *total_flags;
1844
1845         /*
1846          * When in atomic context, reschedule and let rt2x00lib
1847          * call this function again.
1848          */
1849         if (in_atomic()) {
1850                 queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->filter_work);
1851                 return;
1852         }
1853
1854         /*
1855          * Start configuration steps.
1856          * Note that the version error will always be dropped
1857          * and broadcast frames will always be accepted since
1858          * there is no filter for it at this time.
1859          */
1860         rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1861         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CRC,
1862                            !(*total_flags & FIF_FCSFAIL));
1863         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL,
1864                            !(*total_flags & FIF_PLCPFAIL));
1865         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL,
1866                            !(*total_flags & FIF_CONTROL));
1867         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_NOT_TO_ME,
1868                            !(*total_flags & FIF_PROMISC_IN_BSS));
1869         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS,
1870                            !(*total_flags & FIF_PROMISC_IN_BSS));
1871         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_VERSION_ERROR, 1);
1872         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_MULTICAST,
1873                            !(*total_flags & FIF_ALLMULTI));
1874         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_BROADCAST, 0);
1875         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_ACK_CTS, 1);
1876         rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1877 }
1878
1879 static int rt73usb_set_retry_limit(struct ieee80211_hw *hw,
1880                                    u32 short_retry, u32 long_retry)
1881 {
1882         struct rt2x00_dev *rt2x00dev = hw->priv;
1883         u32 reg;
1884
1885         rt73usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
1886         rt2x00_set_field32(&reg, TXRX_CSR4_LONG_RETRY_LIMIT, long_retry);
1887         rt2x00_set_field32(&reg, TXRX_CSR4_SHORT_RETRY_LIMIT, short_retry);
1888         rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg);
1889
1890         return 0;
1891 }
1892
1893 #if 0
1894 /*
1895  * Mac80211 demands get_tsf must be atomic.
1896  * This is not possible for rt73usb since all register access
1897  * functions require sleeping. Untill mac80211 no longer needs
1898  * get_tsf to be atomic, this function should be disabled.
1899  */
1900 static u64 rt73usb_get_tsf(struct ieee80211_hw *hw)
1901 {
1902         struct rt2x00_dev *rt2x00dev = hw->priv;
1903         u64 tsf;
1904         u32 reg;
1905
1906         rt73usb_register_read(rt2x00dev, TXRX_CSR13, &reg);
1907         tsf = (u64) rt2x00_get_field32(reg, TXRX_CSR13_HIGH_TSFTIMER) << 32;
1908         rt73usb_register_read(rt2x00dev, TXRX_CSR12, &reg);
1909         tsf |= rt2x00_get_field32(reg, TXRX_CSR12_LOW_TSFTIMER);
1910
1911         return tsf;
1912 }
1913 #else
1914 #define rt73usb_get_tsf NULL
1915 #endif
1916
1917 static void rt73usb_reset_tsf(struct ieee80211_hw *hw)
1918 {
1919         struct rt2x00_dev *rt2x00dev = hw->priv;
1920
1921         rt73usb_register_write(rt2x00dev, TXRX_CSR12, 0);
1922         rt73usb_register_write(rt2x00dev, TXRX_CSR13, 0);
1923 }
1924
1925 static int rt73usb_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
1926                           struct ieee80211_tx_control *control)
1927 {
1928         struct rt2x00_dev *rt2x00dev = hw->priv;
1929         int timeout;
1930
1931         /*
1932          * Just in case the ieee80211 doesn't set this,
1933          * but we need this queue set for the descriptor
1934          * initialization.
1935          */
1936         control->queue = IEEE80211_TX_QUEUE_BEACON;
1937
1938         /*
1939          * First we create the beacon.
1940          */
1941         skb_push(skb, TXD_DESC_SIZE);
1942         memset(skb->data, 0, TXD_DESC_SIZE);
1943
1944         rt2x00lib_write_tx_desc(rt2x00dev, (struct data_desc *)skb->data,
1945                                 (struct ieee80211_hdr *)(skb->data +
1946                                                          TXD_DESC_SIZE),
1947                                 skb->len - TXD_DESC_SIZE, control);
1948
1949         /*
1950          * Write entire beacon with descriptor to register,
1951          * and kick the beacon generator.
1952          */
1953         timeout = REGISTER_TIMEOUT * (skb->len / sizeof(u32));
1954         rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE,
1955                                  USB_VENDOR_REQUEST_OUT,
1956                                  HW_BEACON_BASE0, 0x0000,
1957                                  skb->data, skb->len, timeout);
1958         rt73usb_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
1959
1960         return 0;
1961 }
1962
1963 static const struct ieee80211_ops rt73usb_mac80211_ops = {
1964         .tx                     = rt2x00mac_tx,
1965         .start                  = rt2x00mac_start,
1966         .stop                   = rt2x00mac_stop,
1967         .add_interface          = rt2x00mac_add_interface,
1968         .remove_interface       = rt2x00mac_remove_interface,
1969         .config                 = rt2x00mac_config,
1970         .config_interface       = rt2x00mac_config_interface,
1971         .configure_filter       = rt73usb_configure_filter,
1972         .get_stats              = rt2x00mac_get_stats,
1973         .set_retry_limit        = rt73usb_set_retry_limit,
1974         .erp_ie_changed         = rt2x00mac_erp_ie_changed,
1975         .conf_tx                = rt2x00mac_conf_tx,
1976         .get_tx_stats           = rt2x00mac_get_tx_stats,
1977         .get_tsf                = rt73usb_get_tsf,
1978         .reset_tsf              = rt73usb_reset_tsf,
1979         .beacon_update          = rt73usb_beacon_update,
1980 };
1981
1982 static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
1983         .probe_hw               = rt73usb_probe_hw,
1984         .get_firmware_name      = rt73usb_get_firmware_name,
1985         .load_firmware          = rt73usb_load_firmware,
1986         .initialize             = rt2x00usb_initialize,
1987         .uninitialize           = rt2x00usb_uninitialize,
1988         .set_device_state       = rt73usb_set_device_state,
1989         .link_stats             = rt73usb_link_stats,
1990         .reset_tuner            = rt73usb_reset_tuner,
1991         .link_tuner             = rt73usb_link_tuner,
1992         .write_tx_desc          = rt73usb_write_tx_desc,
1993         .write_tx_data          = rt2x00usb_write_tx_data,
1994         .get_tx_data_len        = rt73usb_get_tx_data_len,
1995         .kick_tx_queue          = rt73usb_kick_tx_queue,
1996         .fill_rxdone            = rt73usb_fill_rxdone,
1997         .config_mac_addr        = rt73usb_config_mac_addr,
1998         .config_bssid           = rt73usb_config_bssid,
1999         .config_type            = rt73usb_config_type,
2000         .config_preamble        = rt73usb_config_preamble,
2001         .config                 = rt73usb_config,
2002 };
2003
2004 static const struct rt2x00_ops rt73usb_ops = {
2005         .name           = DRV_NAME,
2006         .rxd_size       = RXD_DESC_SIZE,
2007         .txd_size       = TXD_DESC_SIZE,
2008         .eeprom_size    = EEPROM_SIZE,
2009         .rf_size        = RF_SIZE,
2010         .lib            = &rt73usb_rt2x00_ops,
2011         .hw             = &rt73usb_mac80211_ops,
2012 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
2013         .debugfs        = &rt73usb_rt2x00debug,
2014 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
2015 };
2016
2017 /*
2018  * rt73usb module information.
2019  */
2020 static struct usb_device_id rt73usb_device_table[] = {
2021         /* AboCom */
2022         { USB_DEVICE(0x07b8, 0xb21d), USB_DEVICE_DATA(&rt73usb_ops) },
2023         /* Askey */
2024         { USB_DEVICE(0x1690, 0x0722), USB_DEVICE_DATA(&rt73usb_ops) },
2025         /* ASUS */
2026         { USB_DEVICE(0x0b05, 0x1723), USB_DEVICE_DATA(&rt73usb_ops) },
2027         { USB_DEVICE(0x0b05, 0x1724), USB_DEVICE_DATA(&rt73usb_ops) },
2028         /* Belkin */
2029         { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt73usb_ops) },
2030         { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt73usb_ops) },
2031         { USB_DEVICE(0x050d, 0x905b), USB_DEVICE_DATA(&rt73usb_ops) },
2032         { USB_DEVICE(0x050d, 0x905c), USB_DEVICE_DATA(&rt73usb_ops) },
2033         /* Billionton */
2034         { USB_DEVICE(0x1631, 0xc019), USB_DEVICE_DATA(&rt73usb_ops) },
2035         /* Buffalo */
2036         { USB_DEVICE(0x0411, 0x00f4), USB_DEVICE_DATA(&rt73usb_ops) },
2037         /* CNet */
2038         { USB_DEVICE(0x1371, 0x9022), USB_DEVICE_DATA(&rt73usb_ops) },
2039         { USB_DEVICE(0x1371, 0x9032), USB_DEVICE_DATA(&rt73usb_ops) },
2040         /* Conceptronic */
2041         { USB_DEVICE(0x14b2, 0x3c22), USB_DEVICE_DATA(&rt73usb_ops) },
2042         /* D-Link */
2043         { USB_DEVICE(0x07d1, 0x3c03), USB_DEVICE_DATA(&rt73usb_ops) },
2044         { USB_DEVICE(0x07d1, 0x3c04), USB_DEVICE_DATA(&rt73usb_ops) },
2045         /* Gemtek */
2046         { USB_DEVICE(0x15a9, 0x0004), USB_DEVICE_DATA(&rt73usb_ops) },
2047         /* Gigabyte */
2048         { USB_DEVICE(0x1044, 0x8008), USB_DEVICE_DATA(&rt73usb_ops) },
2049         { USB_DEVICE(0x1044, 0x800a), USB_DEVICE_DATA(&rt73usb_ops) },
2050         /* Huawei-3Com */
2051         { USB_DEVICE(0x1472, 0x0009), USB_DEVICE_DATA(&rt73usb_ops) },
2052         /* Hercules */
2053         { USB_DEVICE(0x06f8, 0xe010), USB_DEVICE_DATA(&rt73usb_ops) },
2054         { USB_DEVICE(0x06f8, 0xe020), USB_DEVICE_DATA(&rt73usb_ops) },
2055         /* Linksys */
2056         { USB_DEVICE(0x13b1, 0x0020), USB_DEVICE_DATA(&rt73usb_ops) },
2057         { USB_DEVICE(0x13b1, 0x0023), USB_DEVICE_DATA(&rt73usb_ops) },
2058         /* MSI */
2059         { USB_DEVICE(0x0db0, 0x6877), USB_DEVICE_DATA(&rt73usb_ops) },
2060         { USB_DEVICE(0x0db0, 0x6874), USB_DEVICE_DATA(&rt73usb_ops) },
2061         { USB_DEVICE(0x0db0, 0xa861), USB_DEVICE_DATA(&rt73usb_ops) },
2062         { USB_DEVICE(0x0db0, 0xa874), USB_DEVICE_DATA(&rt73usb_ops) },
2063         /* Ralink */
2064         { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt73usb_ops) },
2065         { USB_DEVICE(0x148f, 0x2671), USB_DEVICE_DATA(&rt73usb_ops) },
2066         /* Qcom */
2067         { USB_DEVICE(0x18e8, 0x6196), USB_DEVICE_DATA(&rt73usb_ops) },
2068         { USB_DEVICE(0x18e8, 0x6229), USB_DEVICE_DATA(&rt73usb_ops) },
2069         { USB_DEVICE(0x18e8, 0x6238), USB_DEVICE_DATA(&rt73usb_ops) },
2070         /* Senao */
2071         { USB_DEVICE(0x1740, 0x7100), USB_DEVICE_DATA(&rt73usb_ops) },
2072         /* Sitecom */
2073         { USB_DEVICE(0x0df6, 0x9712), USB_DEVICE_DATA(&rt73usb_ops) },
2074         { USB_DEVICE(0x0df6, 0x90ac), USB_DEVICE_DATA(&rt73usb_ops) },
2075         /* Surecom */
2076         { USB_DEVICE(0x0769, 0x31f3), USB_DEVICE_DATA(&rt73usb_ops) },
2077         /* Planex */
2078         { USB_DEVICE(0x2019, 0xab01), USB_DEVICE_DATA(&rt73usb_ops) },
2079         { USB_DEVICE(0x2019, 0xab50), USB_DEVICE_DATA(&rt73usb_ops) },
2080         { 0, }
2081 };
2082
2083 MODULE_AUTHOR(DRV_PROJECT);
2084 MODULE_VERSION(DRV_VERSION);
2085 MODULE_DESCRIPTION("Ralink RT73 USB Wireless LAN driver.");
2086 MODULE_SUPPORTED_DEVICE("Ralink RT2571W & RT2671 USB chipset based cards");
2087 MODULE_DEVICE_TABLE(usb, rt73usb_device_table);
2088 MODULE_FIRMWARE(FIRMWARE_RT2571);
2089 MODULE_LICENSE("GPL");
2090
2091 static struct usb_driver rt73usb_driver = {
2092         .name           = DRV_NAME,
2093         .id_table       = rt73usb_device_table,
2094         .probe          = rt2x00usb_probe,
2095         .disconnect     = rt2x00usb_disconnect,
2096         .suspend        = rt2x00usb_suspend,
2097         .resume         = rt2x00usb_resume,
2098 };
2099
2100 static int __init rt73usb_init(void)
2101 {
2102         return usb_register(&rt73usb_driver);
2103 }
2104
2105 static void __exit rt73usb_exit(void)
2106 {
2107         usb_deregister(&rt73usb_driver);
2108 }
2109
2110 module_init(rt73usb_init);
2111 module_exit(rt73usb_exit);