Pileus Git - ~andy/linux/blob - drivers/net/wireless/rt2x00/rt73usb.c

   1 /*
   2         Copyright (C) 2004 - 2009 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 #include <linux/crc-itu-t.h>
  28 #include <linux/delay.h>
  29 #include <linux/etherdevice.h>
  30 #include <linux/init.h>
  31 #include <linux/kernel.h>
  32 #include <linux/module.h>
  33 #include <linux/usb.h>
  34
  35 #include "rt2x00.h"
  36 #include "rt2x00usb.h"
  37 #include "rt73usb.h"
  38
  39 /*
  40  * Allow hardware encryption to be disabled.
  41  */
  42 static int modparam_nohwcrypt = 0;
  43 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
  44 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
  45
  46 /*
  47  * Register access.
  48  * All access to the CSR registers will go through the methods
  49  * rt2x00usb_register_read and rt2x00usb_register_write.
  50  * BBP and RF register require indirect register access,
  51  * and use the CSR registers BBPCSR and RFCSR to achieve this.
  52  * These indirect registers work with busy bits,
  53  * and we will try maximal REGISTER_BUSY_COUNT times to access
  54  * the register while taking a REGISTER_BUSY_DELAY us delay
  55  * between each attampt. When the busy bit is still set at that time,
  56  * the access attempt is considered to have failed,
  57  * and we will print an error.
  58  * The _lock versions must be used if you already hold the csr_mutex
  59  */
  60 #define WAIT_FOR_BBP(__dev, __reg) \
  61         rt2x00usb_regbusy_read((__dev), PHY_CSR3, PHY_CSR3_BUSY, (__reg))
  62 #define WAIT_FOR_RF(__dev, __reg) \
  63         rt2x00usb_regbusy_read((__dev), PHY_CSR4, PHY_CSR4_BUSY, (__reg))
  64
  65 static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev,
  66                               const unsigned int word, const u8 value)
  67 {
  68         u32 reg;
  69
  70         mutex_lock(&rt2x00dev->csr_mutex);
  71
  72         /*
  73          * Wait until the BBP becomes available, afterwards we
  74          * can safely write the new data into the register.
  75          */
  76         if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
  77                 reg = 0;
  78                 rt2x00_set_field32(&reg, PHY_CSR3_VALUE, value);
  79                 rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
  80                 rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
  81                 rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 0);
  82
  83                 rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR3, reg);
  84         }
  85
  86         mutex_unlock(&rt2x00dev->csr_mutex);
  87 }
  88
  89 static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev,
  90                              const unsigned int word, u8 *value)
  91 {
  92         u32 reg;
  93
  94         mutex_lock(&rt2x00dev->csr_mutex);
  95
  96         /*
  97          * Wait until the BBP becomes available, afterwards we
  98          * can safely write the read request into the register.
  99          * After the data has been written, we wait until hardware
 100          * returns the correct value, if at any time the register
 101          * doesn't become available in time, reg will be 0xffffffff
 102          * which means we return 0xff to the caller.
 103          */
 104         if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
 105                 reg = 0;
 106                 rt2x00_set_field32(&reg, PHY_CSR3_REGNUM, word);
 107                 rt2x00_set_field32(&reg, PHY_CSR3_BUSY, 1);
 108                 rt2x00_set_field32(&reg, PHY_CSR3_READ_CONTROL, 1);
 109
 110                 rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR3, reg);
 111
 112                 WAIT_FOR_BBP(rt2x00dev, &reg);
 113         }
 114
 115         *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE);
 116
 117         mutex_unlock(&rt2x00dev->csr_mutex);
 118 }
 119
 120 static void rt73usb_rf_write(struct rt2x00_dev *rt2x00dev,
 121                              const unsigned int word, const u32 value)
 122 {
 123         u32 reg;
 124
 125         if (!word)
 126                 return;
 127
 128         mutex_lock(&rt2x00dev->csr_mutex);
 129
 130         /*
 131          * Wait until the RF becomes available, afterwards we
 132          * can safely write the new data into the register.
 133          */
 134         if (WAIT_FOR_RF(rt2x00dev, &reg)) {
 135                 reg = 0;
 136                 rt2x00_set_field32(&reg, PHY_CSR4_VALUE, value);
 137                 /*
 138                  * RF5225 and RF2527 contain 21 bits per RF register value,
 139                  * all others contain 20 bits.
 140                  */
 141                 rt2x00_set_field32(&reg, PHY_CSR4_NUMBER_OF_BITS,
 142                                    20 + (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
 143                                          rt2x00_rf(&rt2x00dev->chip, RF2527)));
 144                 rt2x00_set_field32(&reg, PHY_CSR4_IF_SELECT, 0);
 145                 rt2x00_set_field32(&reg, PHY_CSR4_BUSY, 1);
 146
 147                 rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR4, reg);
 148                 rt2x00_rf_write(rt2x00dev, word, value);
 149         }
 150
 151         mutex_unlock(&rt2x00dev->csr_mutex);
 152 }
 153
 154 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 155 static const struct rt2x00debug rt73usb_rt2x00debug = {
 156         .owner  = THIS_MODULE,
 157         .csr    = {
 158                 .read           = rt2x00usb_register_read,
 159                 .write          = rt2x00usb_register_write,
 160                 .flags          = RT2X00DEBUGFS_OFFSET,
 161                 .word_base      = CSR_REG_BASE,
 162                 .word_size      = sizeof(u32),
 163                 .word_count     = CSR_REG_SIZE / sizeof(u32),
 164         },
 165         .eeprom = {
 166                 .read           = rt2x00_eeprom_read,
 167                 .write          = rt2x00_eeprom_write,
 168                 .word_base      = EEPROM_BASE,
 169                 .word_size      = sizeof(u16),
 170                 .word_count     = EEPROM_SIZE / sizeof(u16),
 171         },
 172         .bbp    = {
 173                 .read           = rt73usb_bbp_read,
 174                 .write          = rt73usb_bbp_write,
 175                 .word_base      = BBP_BASE,
 176                 .word_size      = sizeof(u8),
 177                 .word_count     = BBP_SIZE / sizeof(u8),
 178         },
 179         .rf     = {
 180                 .read           = rt2x00_rf_read,
 181                 .write          = rt73usb_rf_write,
 182                 .word_base      = RF_BASE,
 183                 .word_size      = sizeof(u32),
 184                 .word_count     = RF_SIZE / sizeof(u32),
 185         },
 186 };
 187 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 188
 189 #ifdef CONFIG_RT2X00_LIB_RFKILL
 190 static int rt73usb_rfkill_poll(struct rt2x00_dev *rt2x00dev)
 191 {
 192         u32 reg;
 193
 194         rt2x00usb_register_read(rt2x00dev, MAC_CSR13, &reg);
 195         return rt2x00_get_field32(reg, MAC_CSR13_BIT7);
 196 }
 197 #else
 198 #define rt73usb_rfkill_poll     NULL
 199 #endif /* CONFIG_RT2X00_LIB_RFKILL */
 200
 201 #ifdef CONFIG_RT2X00_LIB_LEDS
 202 static void rt73usb_brightness_set(struct led_classdev *led_cdev,
 203                                    enum led_brightness brightness)
 204 {
 205         struct rt2x00_led *led =
 206            container_of(led_cdev, struct rt2x00_led, led_dev);
 207         unsigned int enabled = brightness != LED_OFF;
 208         unsigned int a_mode =
 209             (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
 210         unsigned int bg_mode =
 211             (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
 212
 213         if (led->type == LED_TYPE_RADIO) {
 214                 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
 215                                    MCU_LEDCS_RADIO_STATUS, enabled);
 216
 217                 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
 218                                             0, led->rt2x00dev->led_mcu_reg,
 219                                             REGISTER_TIMEOUT);
 220         } else if (led->type == LED_TYPE_ASSOC) {
 221                 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
 222                                    MCU_LEDCS_LINK_BG_STATUS, bg_mode);
 223                 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
 224                                    MCU_LEDCS_LINK_A_STATUS, a_mode);
 225
 226                 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
 227                                             0, led->rt2x00dev->led_mcu_reg,
 228                                             REGISTER_TIMEOUT);
 229         } else if (led->type == LED_TYPE_QUALITY) {
 230                 /*
 231                  * The brightness is divided into 6 levels (0 - 5),
 232                  * this means we need to convert the brightness
 233                  * argument into the matching level within that range.
 234                  */
 235                 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
 236                                             brightness / (LED_FULL / 6),
 237                                             led->rt2x00dev->led_mcu_reg,
 238                                             REGISTER_TIMEOUT);
 239         }
 240 }
 241
 242 static int rt73usb_blink_set(struct led_classdev *led_cdev,
 243                              unsigned long *delay_on,
 244                              unsigned long *delay_off)
 245 {
 246         struct rt2x00_led *led =
 247             container_of(led_cdev, struct rt2x00_led, led_dev);
 248         u32 reg;
 249
 250         rt2x00usb_register_read(led->rt2x00dev, MAC_CSR14, &reg);
 251         rt2x00_set_field32(&reg, MAC_CSR14_ON_PERIOD, *delay_on);
 252         rt2x00_set_field32(&reg, MAC_CSR14_OFF_PERIOD, *delay_off);
 253         rt2x00usb_register_write(led->rt2x00dev, MAC_CSR14, reg);
 254
 255         return 0;
 256 }
 257
 258 static void rt73usb_init_led(struct rt2x00_dev *rt2x00dev,
 259                              struct rt2x00_led *led,
 260                              enum led_type type)
 261 {
 262         led->rt2x00dev = rt2x00dev;
 263         led->type = type;
 264         led->led_dev.brightness_set = rt73usb_brightness_set;
 265         led->led_dev.blink_set = rt73usb_blink_set;
 266         led->flags = LED_INITIALIZED;
 267 }
 268 #endif /* CONFIG_RT2X00_LIB_LEDS */
 269
 270 /*
 271  * Configuration handlers.
 272  */
 273 static int rt73usb_config_shared_key(struct rt2x00_dev *rt2x00dev,
 274                                      struct rt2x00lib_crypto *crypto,
 275                                      struct ieee80211_key_conf *key)
 276 {
 277         struct hw_key_entry key_entry;
 278         struct rt2x00_field32 field;
 279         int timeout;
 280         u32 mask;
 281         u32 reg;
 282
 283         if (crypto->cmd == SET_KEY) {
 284                 /*
 285                  * rt2x00lib can't determine the correct free
 286                  * key_idx for shared keys. We have 1 register
 287                  * with key valid bits. The goal is simple, read
 288                  * the register, if that is full we have no slots
 289                  * left.
 290                  * Note that each BSS is allowed to have up to 4
 291                  * shared keys, so put a mask over the allowed
 292                  * entries.
 293                  */
 294                 mask = (0xf << crypto->bssidx);
 295
 296                 rt2x00usb_register_read(rt2x00dev, SEC_CSR0, &reg);
 297                 reg &= mask;
 298
 299                 if (reg && reg == mask)
 300                         return -ENOSPC;
 301
 302                 key->hw_key_idx += reg ? ffz(reg) : 0;
 303
 304                 /*
 305                  * Upload key to hardware
 306                  */
 307                 memcpy(key_entry.key, crypto->key,
 308                        sizeof(key_entry.key));
 309                 memcpy(key_entry.tx_mic, crypto->tx_mic,
 310                        sizeof(key_entry.tx_mic));
 311                 memcpy(key_entry.rx_mic, crypto->rx_mic,
 312                        sizeof(key_entry.rx_mic));
 313
 314                 reg = SHARED_KEY_ENTRY(key->hw_key_idx);
 315                 timeout = REGISTER_TIMEOUT32(sizeof(key_entry));
 316                 rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
 317                                                     USB_VENDOR_REQUEST_OUT, reg,
 318                                                     &key_entry,
 319                                                     sizeof(key_entry),
 320                                                     timeout);
 321
 322                 /*
 323                  * The cipher types are stored over 2 registers.
 324                  * bssidx 0 and 1 keys are stored in SEC_CSR1 and
 325                  * bssidx 1 and 2 keys are stored in SEC_CSR5.
 326                  * Using the correct defines correctly will cause overhead,
 327                  * so just calculate the correct offset.
 328                  */
 329                 if (key->hw_key_idx < 8) {
 330                         field.bit_offset = (3 * key->hw_key_idx);
 331                         field.bit_mask = 0x7 << field.bit_offset;
 332
 333                         rt2x00usb_register_read(rt2x00dev, SEC_CSR1, &reg);
 334                         rt2x00_set_field32(&reg, field, crypto->cipher);
 335                         rt2x00usb_register_write(rt2x00dev, SEC_CSR1, reg);
 336                 } else {
 337                         field.bit_offset = (3 * (key->hw_key_idx - 8));
 338                         field.bit_mask = 0x7 << field.bit_offset;
 339
 340                         rt2x00usb_register_read(rt2x00dev, SEC_CSR5, &reg);
 341                         rt2x00_set_field32(&reg, field, crypto->cipher);
 342                         rt2x00usb_register_write(rt2x00dev, SEC_CSR5, reg);
 343                 }
 344
 345                 /*
 346                  * The driver does not support the IV/EIV generation
 347                  * in hardware. However it doesn't support the IV/EIV
 348                  * inside the ieee80211 frame either, but requires it
 349                  * to be provided seperately for the descriptor.
 350                  * rt2x00lib will cut the IV/EIV data out of all frames
 351                  * given to us by mac80211, but we must tell mac80211
 352                  * to generate the IV/EIV data.
 353                  */
 354                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
 355         }
 356
 357         /*
 358          * SEC_CSR0 contains only single-bit fields to indicate
 359          * a particular key is valid. Because using the FIELD32()
 360          * defines directly will cause a lot of overhead we use
 361          * a calculation to determine the correct bit directly.
 362          */
 363         mask = 1 << key->hw_key_idx;
 364
 365         rt2x00usb_register_read(rt2x00dev, SEC_CSR0, &reg);
 366         if (crypto->cmd == SET_KEY)
 367                 reg |= mask;
 368         else if (crypto->cmd == DISABLE_KEY)
 369                 reg &= ~mask;
 370         rt2x00usb_register_write(rt2x00dev, SEC_CSR0, reg);
 371
 372         return 0;
 373 }
 374
 375 static int rt73usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
 376                                        struct rt2x00lib_crypto *crypto,
 377                                        struct ieee80211_key_conf *key)
 378 {
 379         struct hw_pairwise_ta_entry addr_entry;
 380         struct hw_key_entry key_entry;
 381         int timeout;
 382         u32 mask;
 383         u32 reg;
 384
 385         if (crypto->cmd == SET_KEY) {
 386                 /*
 387                  * rt2x00lib can't determine the correct free
 388                  * key_idx for pairwise keys. We have 2 registers
 389                  * with key valid bits. The goal is simple, read
 390                  * the first register, if that is full move to
 391                  * the next register.
 392                  * When both registers are full, we drop the key,
 393                  * otherwise we use the first invalid entry.
 394                  */
 395                 rt2x00usb_register_read(rt2x00dev, SEC_CSR2, &reg);
 396                 if (reg && reg == ~0) {
 397                         key->hw_key_idx = 32;
 398                         rt2x00usb_register_read(rt2x00dev, SEC_CSR3, &reg);
 399                         if (reg && reg == ~0)
 400                                 return -ENOSPC;
 401                 }
 402
 403                 key->hw_key_idx += reg ? ffz(reg) : 0;
 404
 405                 /*
 406                  * Upload key to hardware
 407                  */
 408                 memcpy(key_entry.key, crypto->key,
 409                        sizeof(key_entry.key));
 410                 memcpy(key_entry.tx_mic, crypto->tx_mic,
 411                        sizeof(key_entry.tx_mic));
 412                 memcpy(key_entry.rx_mic, crypto->rx_mic,
 413                        sizeof(key_entry.rx_mic));
 414
 415                 reg = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
 416                 timeout = REGISTER_TIMEOUT32(sizeof(key_entry));
 417                 rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
 418                                                     USB_VENDOR_REQUEST_OUT, reg,
 419                                                     &key_entry,
 420                                                     sizeof(key_entry),
 421                                                     timeout);
 422
 423                 /*
 424                  * Send the address and cipher type to the hardware register.
 425                  * This data fits within the CSR cache size, so we can use
 426                  * rt2x00usb_register_multiwrite() directly.
 427                  */
 428                 memset(&addr_entry, 0, sizeof(addr_entry));
 429                 memcpy(&addr_entry, crypto->address, ETH_ALEN);
 430                 addr_entry.cipher = crypto->cipher;
 431
 432                 reg = PAIRWISE_TA_ENTRY(key->hw_key_idx);
 433                 rt2x00usb_register_multiwrite(rt2x00dev, reg,
 434                                             &addr_entry, sizeof(addr_entry));
 435
 436                 /*
 437                  * Enable pairwise lookup table for given BSS idx,
 438                  * without this received frames will not be decrypted
 439                  * by the hardware.
 440                  */
 441                 rt2x00usb_register_read(rt2x00dev, SEC_CSR4, &reg);
 442                 reg |= (1 << crypto->bssidx);
 443                 rt2x00usb_register_write(rt2x00dev, SEC_CSR4, reg);
 444
 445                 /*
 446                  * The driver does not support the IV/EIV generation
 447                  * in hardware. However it doesn't support the IV/EIV
 448                  * inside the ieee80211 frame either, but requires it
 449                  * to be provided seperately for the descriptor.
 450                  * rt2x00lib will cut the IV/EIV data out of all frames
 451                  * given to us by mac80211, but we must tell mac80211
 452                  * to generate the IV/EIV data.
 453                  */
 454                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
 455         }
 456
 457         /*
 458          * SEC_CSR2 and SEC_CSR3 contain only single-bit fields to indicate
 459          * a particular key is valid. Because using the FIELD32()
 460          * defines directly will cause a lot of overhead we use
 461          * a calculation to determine the correct bit directly.
 462          */
 463         if (key->hw_key_idx < 32) {
 464                 mask = 1 << key->hw_key_idx;
 465
 466                 rt2x00usb_register_read(rt2x00dev, SEC_CSR2, &reg);
 467                 if (crypto->cmd == SET_KEY)
 468                         reg |= mask;
 469                 else if (crypto->cmd == DISABLE_KEY)
 470                         reg &= ~mask;
 471                 rt2x00usb_register_write(rt2x00dev, SEC_CSR2, reg);
 472         } else {
 473                 mask = 1 << (key->hw_key_idx - 32);
 474
 475                 rt2x00usb_register_read(rt2x00dev, SEC_CSR3, &reg);
 476                 if (crypto->cmd == SET_KEY)
 477                         reg |= mask;
 478                 else if (crypto->cmd == DISABLE_KEY)
 479                         reg &= ~mask;
 480                 rt2x00usb_register_write(rt2x00dev, SEC_CSR3, reg);
 481         }
 482
 483         return 0;
 484 }
 485
 486 static void rt73usb_config_filter(struct rt2x00_dev *rt2x00dev,
 487                                   const unsigned int filter_flags)
 488 {
 489         u32 reg;
 490
 491         /*
 492          * Start configuration steps.
 493          * Note that the version error will always be dropped
 494          * and broadcast frames will always be accepted since
 495          * there is no filter for it at this time.
 496          */
 497         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 498         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CRC,
 499                            !(filter_flags & FIF_FCSFAIL));
 500         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL,
 501                            !(filter_flags & FIF_PLCPFAIL));
 502         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL,
 503                            !(filter_flags & FIF_CONTROL));
 504         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_NOT_TO_ME,
 505                            !(filter_flags & FIF_PROMISC_IN_BSS));
 506         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS,
 507                            !(filter_flags & FIF_PROMISC_IN_BSS) &&
 508                            !rt2x00dev->intf_ap_count);
 509         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_VERSION_ERROR, 1);
 510         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_MULTICAST,
 511                            !(filter_flags & FIF_ALLMULTI));
 512         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_BROADCAST, 0);
 513         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_ACK_CTS,
 514                            !(filter_flags & FIF_CONTROL));
 515         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 516 }
 517
 518 static void rt73usb_config_intf(struct rt2x00_dev *rt2x00dev,
 519                                 struct rt2x00_intf *intf,
 520                                 struct rt2x00intf_conf *conf,
 521                                 const unsigned int flags)
 522 {
 523         unsigned int beacon_base;
 524         u32 reg;
 525
 526         if (flags & CONFIG_UPDATE_TYPE) {
 527                 /*
 528                  * Clear current synchronisation setup.
 529                  * For the Beacon base registers we only need to clear
 530                  * the first byte since that byte contains the VALID and OWNER
 531                  * bits which (when set to 0) will invalidate the entire beacon.
 532                  */
 533                 beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
 534                 rt2x00usb_register_write(rt2x00dev, beacon_base, 0);
 535
 536                 /*
 537                  * Enable synchronisation.
 538                  */
 539                 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
 540                 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
 541                 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, conf->sync);
 542                 rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
 543                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
 544         }
 545
 546         if (flags & CONFIG_UPDATE_MAC) {
 547                 reg = le32_to_cpu(conf->mac[1]);
 548                 rt2x00_set_field32(&reg, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
 549                 conf->mac[1] = cpu_to_le32(reg);
 550
 551                 rt2x00usb_register_multiwrite(rt2x00dev, MAC_CSR2,
 552                                             conf->mac, sizeof(conf->mac));
 553         }
 554
 555         if (flags & CONFIG_UPDATE_BSSID) {
 556                 reg = le32_to_cpu(conf->bssid[1]);
 557                 rt2x00_set_field32(&reg, MAC_CSR5_BSS_ID_MASK, 3);
 558                 conf->bssid[1] = cpu_to_le32(reg);
 559
 560                 rt2x00usb_register_multiwrite(rt2x00dev, MAC_CSR4,
 561                                             conf->bssid, sizeof(conf->bssid));
 562         }
 563 }
 564
 565 static void rt73usb_config_erp(struct rt2x00_dev *rt2x00dev,
 566                                struct rt2x00lib_erp *erp)
 567 {
 568         u32 reg;
 569
 570         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 571         rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, erp->ack_timeout);
 572         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 573
 574         rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
 575         rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
 576                            !!erp->short_preamble);
 577         rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
 578
 579         rt2x00usb_register_write(rt2x00dev, TXRX_CSR5, erp->basic_rates);
 580
 581         rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg);
 582         rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME, erp->slot_time);
 583         rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg);
 584
 585         rt2x00usb_register_read(rt2x00dev, MAC_CSR8, &reg);
 586         rt2x00_set_field32(&reg, MAC_CSR8_SIFS, erp->sifs);
 587         rt2x00_set_field32(&reg, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3);
 588         rt2x00_set_field32(&reg, MAC_CSR8_EIFS, erp->eifs);
 589         rt2x00usb_register_write(rt2x00dev, MAC_CSR8, reg);
 590 }
 591
 592 static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev,
 593                                       struct antenna_setup *ant)
 594 {
 595         u8 r3;
 596         u8 r4;
 597         u8 r77;
 598         u8 temp;
 599
 600         rt73usb_bbp_read(rt2x00dev, 3, &r3);
 601         rt73usb_bbp_read(rt2x00dev, 4, &r4);
 602         rt73usb_bbp_read(rt2x00dev, 77, &r77);
 603
 604         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
 605
 606         /*
 607          * Configure the RX antenna.
 608          */
 609         switch (ant->rx) {
 610         case ANTENNA_HW_DIVERSITY:
 611                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
 612                 temp = !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags)
 613                        && (rt2x00dev->curr_band != IEEE80211_BAND_5GHZ);
 614                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, temp);
 615                 break;
 616         case ANTENNA_A:
 617                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
 618                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
 619                 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ)
 620                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
 621                 else
 622                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
 623                 break;
 624         case ANTENNA_B:
 625         default:
 626                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
 627                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
 628                 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ)
 629                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
 630                 else
 631                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
 632                 break;
 633         }
 634
 635         rt73usb_bbp_write(rt2x00dev, 77, r77);
 636         rt73usb_bbp_write(rt2x00dev, 3, r3);
 637         rt73usb_bbp_write(rt2x00dev, 4, r4);
 638 }
 639
 640 static void rt73usb_config_antenna_2x(struct rt2x00_dev *rt2x00dev,
 641                                       struct antenna_setup *ant)
 642 {
 643         u8 r3;
 644         u8 r4;
 645         u8 r77;
 646
 647         rt73usb_bbp_read(rt2x00dev, 3, &r3);
 648         rt73usb_bbp_read(rt2x00dev, 4, &r4);
 649         rt73usb_bbp_read(rt2x00dev, 77, &r77);
 650
 651         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
 652         rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
 653                           !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags));
 654
 655         /*
 656          * Configure the RX antenna.
 657          */
 658         switch (ant->rx) {
 659         case ANTENNA_HW_DIVERSITY:
 660                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
 661                 break;
 662         case ANTENNA_A:
 663                 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
 664                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
 665                 break;
 666         case ANTENNA_B:
 667         default:
 668                 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
 669                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
 670                 break;
 671         }
 672
 673         rt73usb_bbp_write(rt2x00dev, 77, r77);
 674         rt73usb_bbp_write(rt2x00dev, 3, r3);
 675         rt73usb_bbp_write(rt2x00dev, 4, r4);
 676 }
 677
 678 struct antenna_sel {
 679         u8 word;
 680         /*
 681          * value[0] -> non-LNA
 682          * value[1] -> LNA
 683          */
 684         u8 value[2];
 685 };
 686
 687 static const struct antenna_sel antenna_sel_a[] = {
 688         { 96,  { 0x58, 0x78 } },
 689         { 104, { 0x38, 0x48 } },
 690         { 75,  { 0xfe, 0x80 } },
 691         { 86,  { 0xfe, 0x80 } },
 692         { 88,  { 0xfe, 0x80 } },
 693         { 35,  { 0x60, 0x60 } },
 694         { 97,  { 0x58, 0x58 } },
 695         { 98,  { 0x58, 0x58 } },
 696 };
 697
 698 static const struct antenna_sel antenna_sel_bg[] = {
 699         { 96,  { 0x48, 0x68 } },
 700         { 104, { 0x2c, 0x3c } },
 701         { 75,  { 0xfe, 0x80 } },
 702         { 86,  { 0xfe, 0x80 } },
 703         { 88,  { 0xfe, 0x80 } },
 704         { 35,  { 0x50, 0x50 } },
 705         { 97,  { 0x48, 0x48 } },
 706         { 98,  { 0x48, 0x48 } },
 707 };
 708
 709 static void rt73usb_config_ant(struct rt2x00_dev *rt2x00dev,
 710                                struct antenna_setup *ant)
 711 {
 712         const struct antenna_sel *sel;
 713         unsigned int lna;
 714         unsigned int i;
 715         u32 reg;
 716
 717         /*
 718          * We should never come here because rt2x00lib is supposed
 719          * to catch this and send us the correct antenna explicitely.
 720          */
 721         BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
 722                ant->tx == ANTENNA_SW_DIVERSITY);
 723
 724         if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
 725                 sel = antenna_sel_a;
 726                 lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
 727         } else {
 728                 sel = antenna_sel_bg;
 729                 lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
 730         }
 731
 732         for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++)
 733                 rt73usb_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]);
 734
 735         rt2x00usb_register_read(rt2x00dev, PHY_CSR0, &reg);
 736
 737         rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG,
 738                            (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ));
 739         rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A,
 740                            (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ));
 741
 742         rt2x00usb_register_write(rt2x00dev, PHY_CSR0, reg);
 743
 744         if (rt2x00_rf(&rt2x00dev->chip, RF5226) ||
 745             rt2x00_rf(&rt2x00dev->chip, RF5225))
 746                 rt73usb_config_antenna_5x(rt2x00dev, ant);
 747         else if (rt2x00_rf(&rt2x00dev->chip, RF2528) ||
 748                  rt2x00_rf(&rt2x00dev->chip, RF2527))
 749                 rt73usb_config_antenna_2x(rt2x00dev, ant);
 750 }
 751
 752 static void rt73usb_config_lna_gain(struct rt2x00_dev *rt2x00dev,
 753                                     struct rt2x00lib_conf *libconf)
 754 {
 755         u16 eeprom;
 756         short lna_gain = 0;
 757
 758         if (libconf->conf->channel->band == IEEE80211_BAND_2GHZ) {
 759                 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags))
 760                         lna_gain += 14;
 761
 762                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &eeprom);
 763                 lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_BG_1);
 764         } else {
 765                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &eeprom);
 766                 lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_A_1);
 767         }
 768
 769         rt2x00dev->lna_gain = lna_gain;
 770 }
 771
 772 static void rt73usb_config_channel(struct rt2x00_dev *rt2x00dev,
 773                                    struct rf_channel *rf, const int txpower)
 774 {
 775         u8 r3;
 776         u8 r94;
 777         u8 smart;
 778
 779         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 780         rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
 781
 782         smart = !(rt2x00_rf(&rt2x00dev->chip, RF5225) ||
 783                   rt2x00_rf(&rt2x00dev->chip, RF2527));
 784
 785         rt73usb_bbp_read(rt2x00dev, 3, &r3);
 786         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, smart);
 787         rt73usb_bbp_write(rt2x00dev, 3, r3);
 788
 789         r94 = 6;
 790         if (txpower > MAX_TXPOWER && txpower <= (MAX_TXPOWER + r94))
 791                 r94 += txpower - MAX_TXPOWER;
 792         else if (txpower < MIN_TXPOWER && txpower >= (MIN_TXPOWER - r94))
 793                 r94 += txpower;
 794         rt73usb_bbp_write(rt2x00dev, 94, r94);
 795
 796         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
 797         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
 798         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
 799         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
 800
 801         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
 802         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
 803         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
 804         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
 805
 806         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
 807         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
 808         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
 809         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
 810
 811         udelay(10);
 812 }
 813
 814 static void rt73usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 815                                    const int txpower)
 816 {
 817         struct rf_channel rf;
 818
 819         rt2x00_rf_read(rt2x00dev, 1, &rf.rf1);
 820         rt2x00_rf_read(rt2x00dev, 2, &rf.rf2);
 821         rt2x00_rf_read(rt2x00dev, 3, &rf.rf3);
 822         rt2x00_rf_read(rt2x00dev, 4, &rf.rf4);
 823
 824         rt73usb_config_channel(rt2x00dev, &rf, txpower);
 825 }
 826
 827 static void rt73usb_config_retry_limit(struct rt2x00_dev *rt2x00dev,
 828                                        struct rt2x00lib_conf *libconf)
 829 {
 830         u32 reg;
 831
 832         rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
 833         rt2x00_set_field32(&reg, TXRX_CSR4_LONG_RETRY_LIMIT,
 834                            libconf->conf->long_frame_max_tx_count);
 835         rt2x00_set_field32(&reg, TXRX_CSR4_SHORT_RETRY_LIMIT,
 836                            libconf->conf->short_frame_max_tx_count);
 837         rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
 838 }
 839
 840 static void rt73usb_config_duration(struct rt2x00_dev *rt2x00dev,
 841                                     struct rt2x00lib_conf *libconf)
 842 {
 843         u32 reg;
 844
 845         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 846         rt2x00_set_field32(&reg, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
 847         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 848
 849         rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
 850         rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
 851         rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
 852
 853         rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
 854         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL,
 855                            libconf->conf->beacon_int * 16);
 856         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
 857 }
 858
 859 static void rt73usb_config_ps(struct rt2x00_dev *rt2x00dev,
 860                                 struct rt2x00lib_conf *libconf)
 861 {
 862         enum dev_state state =
 863             (libconf->conf->flags & IEEE80211_CONF_PS) ?
 864                 STATE_SLEEP : STATE_AWAKE;
 865         u32 reg;
 866
 867         if (state == STATE_SLEEP) {
 868                 rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg);
 869                 rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN,
 870                                    libconf->conf->beacon_int - 10);
 871                 rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP,
 872                                    libconf->conf->listen_interval - 1);
 873                 rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 5);
 874
 875                 /* We must first disable autowake before it can be enabled */
 876                 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 0);
 877                 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
 878
 879                 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 1);
 880                 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
 881
 882                 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
 883                                             USB_MODE_SLEEP, REGISTER_TIMEOUT);
 884         } else {
 885                 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
 886                                             USB_MODE_WAKEUP, REGISTER_TIMEOUT);
 887
 888                 rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg);
 889                 rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN, 0);
 890                 rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP, 0);
 891                 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 0);
 892                 rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 0);
 893                 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
 894         }
 895 }
 896
 897 static void rt73usb_config(struct rt2x00_dev *rt2x00dev,
 898                            struct rt2x00lib_conf *libconf,
 899                            const unsigned int flags)
 900 {
 901         /* Always recalculate LNA gain before changing configuration */
 902         rt73usb_config_lna_gain(rt2x00dev, libconf);
 903
 904         if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
 905                 rt73usb_config_channel(rt2x00dev, &libconf->rf,
 906                                        libconf->conf->power_level);
 907         if ((flags & IEEE80211_CONF_CHANGE_POWER) &&
 908             !(flags & IEEE80211_CONF_CHANGE_CHANNEL))
 909                 rt73usb_config_txpower(rt2x00dev, libconf->conf->power_level);
 910         if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
 911                 rt73usb_config_retry_limit(rt2x00dev, libconf);
 912         if (flags & IEEE80211_CONF_CHANGE_BEACON_INTERVAL)
 913                 rt73usb_config_duration(rt2x00dev, libconf);
 914         if (flags & IEEE80211_CONF_CHANGE_PS)
 915                 rt73usb_config_ps(rt2x00dev, libconf);
 916 }
 917
 918 /*
 919  * Link tuning
 920  */
 921 static void rt73usb_link_stats(struct rt2x00_dev *rt2x00dev,
 922                                struct link_qual *qual)
 923 {
 924         u32 reg;
 925
 926         /*
 927          * Update FCS error count from register.
 928          */
 929         rt2x00usb_register_read(rt2x00dev, STA_CSR0, &reg);
 930         qual->rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR);
 931
 932         /*
 933          * Update False CCA count from register.
 934          */
 935         rt2x00usb_register_read(rt2x00dev, STA_CSR1, &reg);
 936         qual->false_cca = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
 937 }
 938
 939 static inline void rt73usb_set_vgc(struct rt2x00_dev *rt2x00dev,
 940                                    struct link_qual *qual, u8 vgc_level)
 941 {
 942         if (qual->vgc_level != vgc_level) {
 943                 rt73usb_bbp_write(rt2x00dev, 17, vgc_level);
 944                 qual->vgc_level = vgc_level;
 945                 qual->vgc_level_reg = vgc_level;
 946         }
 947 }
 948
 949 static void rt73usb_reset_tuner(struct rt2x00_dev *rt2x00dev,
 950                                 struct link_qual *qual)
 951 {
 952         rt73usb_set_vgc(rt2x00dev, qual, 0x20);
 953 }
 954
 955 static void rt73usb_link_tuner(struct rt2x00_dev *rt2x00dev,
 956                                struct link_qual *qual, const u32 count)
 957 {
 958         u8 up_bound;
 959         u8 low_bound;
 960
 961         /*
 962          * Determine r17 bounds.
 963          */
 964         if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) {
 965                 low_bound = 0x28;
 966                 up_bound = 0x48;
 967
 968                 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
 969                         low_bound += 0x10;
 970                         up_bound += 0x10;
 971                 }
 972         } else {
 973                 if (qual->rssi > -82) {
 974                         low_bound = 0x1c;
 975                         up_bound = 0x40;
 976                 } else if (qual->rssi > -84) {
 977                         low_bound = 0x1c;
 978                         up_bound = 0x20;
 979                 } else {
 980                         low_bound = 0x1c;
 981                         up_bound = 0x1c;
 982                 }
 983
 984                 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
 985                         low_bound += 0x14;
 986                         up_bound += 0x10;
 987                 }
 988         }
 989
 990         /*
 991          * If we are not associated, we should go straight to the
 992          * dynamic CCA tuning.
 993          */
 994         if (!rt2x00dev->intf_associated)
 995                 goto dynamic_cca_tune;
 996
 997         /*
 998          * Special big-R17 for very short distance
 999          */
1000         if (qual->rssi > -35) {
1001                 rt73usb_set_vgc(rt2x00dev, qual, 0x60);
1002                 return;
1003         }
1004
1005         /*
1006          * Special big-R17 for short distance
1007          */
1008         if (qual->rssi >= -58) {
1009                 rt73usb_set_vgc(rt2x00dev, qual, up_bound);
1010                 return;
1011         }
1012
1013         /*
1014          * Special big-R17 for middle-short distance
1015          */
1016         if (qual->rssi >= -66) {
1017                 rt73usb_set_vgc(rt2x00dev, qual, low_bound + 0x10);
1018                 return;
1019         }
1020
1021         /*
1022          * Special mid-R17 for middle distance
1023          */
1024         if (qual->rssi >= -74) {
1025                 rt73usb_set_vgc(rt2x00dev, qual, low_bound + 0x08);
1026                 return;
1027         }
1028
1029         /*
1030          * Special case: Change up_bound based on the rssi.
1031          * Lower up_bound when rssi is weaker then -74 dBm.
1032          */
1033         up_bound -= 2 * (-74 - qual->rssi);
1034         if (low_bound > up_bound)
1035                 up_bound = low_bound;
1036
1037         if (qual->vgc_level > up_bound) {
1038                 rt73usb_set_vgc(rt2x00dev, qual, up_bound);
1039                 return;
1040         }
1041
1042 dynamic_cca_tune:
1043
1044         /*
1045          * r17 does not yet exceed upper limit, continue and base
1046          * the r17 tuning on the false CCA count.
1047          */
1048         if ((qual->false_cca > 512) && (qual->vgc_level < up_bound))
1049                 rt73usb_set_vgc(rt2x00dev, qual,
1050                                 min_t(u8, qual->vgc_level + 4, up_bound));
1051         else if ((qual->false_cca < 100) && (qual->vgc_level > low_bound))
1052                 rt73usb_set_vgc(rt2x00dev, qual,
1053                                 max_t(u8, qual->vgc_level - 4, low_bound));
1054 }
1055
1056 /*
1057  * Firmware functions
1058  */
1059 static char *rt73usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
1060 {
1061         return FIRMWARE_RT2571;
1062 }
1063
1064 static int rt73usb_check_firmware(struct rt2x00_dev *rt2x00dev,
1065                                   const u8 *data, const size_t len)
1066 {
1067         u16 fw_crc;
1068         u16 crc;
1069
1070         /*
1071          * Only support 2kb firmware files.
1072          */
1073         if (len != 2048)
1074                 return FW_BAD_LENGTH;
1075
1076         /*
1077          * The last 2 bytes in the firmware array are the crc checksum itself,
1078          * this means that we should never pass those 2 bytes to the crc
1079          * algorithm.
1080          */
1081         fw_crc = (data[len - 2] << 8 | data[len - 1]);
1082
1083         /*
1084          * Use the crc itu-t algorithm.
1085          */
1086         crc = crc_itu_t(0, data, len - 2);
1087         crc = crc_itu_t_byte(crc, 0);
1088         crc = crc_itu_t_byte(crc, 0);
1089
1090         return (fw_crc == crc) ? FW_OK : FW_BAD_CRC;
1091 }
1092
1093 static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev,
1094                                  const u8 *data, const size_t len)
1095 {
1096         unsigned int i;
1097         int status;
1098         u32 reg;
1099
1100         /*
1101          * Wait for stable hardware.
1102          */
1103         for (i = 0; i < 100; i++) {
1104                 rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1105                 if (reg)
1106                         break;
1107                 msleep(1);
1108         }
1109
1110         if (!reg) {
1111                 ERROR(rt2x00dev, "Unstable hardware.\n");
1112                 return -EBUSY;
1113         }
1114
1115         /*
1116          * Write firmware to device.
1117          */
1118         rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
1119                                             USB_VENDOR_REQUEST_OUT,
1120                                             FIRMWARE_IMAGE_BASE,
1121                                             data, len,
1122                                             REGISTER_TIMEOUT32(len));
1123
1124         /*
1125          * Send firmware request to device to load firmware,
1126          * we need to specify a long timeout time.
1127          */
1128         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
1129                                              0, USB_MODE_FIRMWARE,
1130                                              REGISTER_TIMEOUT_FIRMWARE);
1131         if (status < 0) {
1132                 ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
1133                 return status;
1134         }
1135
1136         return 0;
1137 }
1138
1139 /*
1140  * Initialization functions.
1141  */
1142 static int rt73usb_init_registers(struct rt2x00_dev *rt2x00dev)
1143 {
1144         u32 reg;
1145
1146         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1147         rt2x00_set_field32(&reg, TXRX_CSR0_AUTO_TX_SEQ, 1);
1148         rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 0);
1149         rt2x00_set_field32(&reg, TXRX_CSR0_TX_WITHOUT_WAITING, 0);
1150         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1151
1152         rt2x00usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
1153         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0, 47); /* CCK Signal */
1154         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0_VALID, 1);
1155         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1, 30); /* Rssi */
1156         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1_VALID, 1);
1157         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2, 42); /* OFDM Rate */
1158         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2_VALID, 1);
1159         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3, 30); /* Rssi */
1160         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3_VALID, 1);
1161         rt2x00usb_register_write(rt2x00dev, TXRX_CSR1, reg);
1162
1163         /*
1164          * CCK TXD BBP registers
1165          */
1166         rt2x00usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
1167         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0, 13);
1168         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0_VALID, 1);
1169         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1, 12);
1170         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1_VALID, 1);
1171         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2, 11);
1172         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2_VALID, 1);
1173         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3, 10);
1174         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3_VALID, 1);
1175         rt2x00usb_register_write(rt2x00dev, TXRX_CSR2, reg);
1176
1177         /*
1178          * OFDM TXD BBP registers
1179          */
1180         rt2x00usb_register_read(rt2x00dev, TXRX_CSR3, &reg);
1181         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0, 7);
1182         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0_VALID, 1);
1183         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1, 6);
1184         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1_VALID, 1);
1185         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2, 5);
1186         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2_VALID, 1);
1187         rt2x00usb_register_write(rt2x00dev, TXRX_CSR3, reg);
1188
1189         rt2x00usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
1190         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_6MBS, 59);
1191         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_9MBS, 53);
1192         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_12MBS, 49);
1193         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_18MBS, 46);
1194         rt2x00usb_register_write(rt2x00dev, TXRX_CSR7, reg);
1195
1196         rt2x00usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
1197         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_24MBS, 44);
1198         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_36MBS, 42);
1199         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_48MBS, 42);
1200         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_54MBS, 42);
1201         rt2x00usb_register_write(rt2x00dev, TXRX_CSR8, reg);
1202
1203         rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1204         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL, 0);
1205         rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
1206         rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, 0);
1207         rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
1208         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
1209         rt2x00_set_field32(&reg, TXRX_CSR9_TIMESTAMP_COMPENSATE, 0);
1210         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1211
1212         rt2x00usb_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f);
1213
1214         rt2x00usb_register_read(rt2x00dev, MAC_CSR6, &reg);
1215         rt2x00_set_field32(&reg, MAC_CSR6_MAX_FRAME_UNIT, 0xfff);
1216         rt2x00usb_register_write(rt2x00dev, MAC_CSR6, reg);
1217
1218         rt2x00usb_register_write(rt2x00dev, MAC_CSR10, 0x00000718);
1219
1220         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
1221                 return -EBUSY;
1222
1223         rt2x00usb_register_write(rt2x00dev, MAC_CSR13, 0x00007f00);
1224
1225         /*
1226          * Invalidate all Shared Keys (SEC_CSR0),
1227          * and clear the Shared key Cipher algorithms (SEC_CSR1 & SEC_CSR5)
1228          */
1229         rt2x00usb_register_write(rt2x00dev, SEC_CSR0, 0x00000000);
1230         rt2x00usb_register_write(rt2x00dev, SEC_CSR1, 0x00000000);
1231         rt2x00usb_register_write(rt2x00dev, SEC_CSR5, 0x00000000);
1232
1233         reg = 0x000023b0;
1234         if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
1235             rt2x00_rf(&rt2x00dev->chip, RF2527))
1236                 rt2x00_set_field32(&reg, PHY_CSR1_RF_RPI, 1);
1237         rt2x00usb_register_write(rt2x00dev, PHY_CSR1, reg);
1238
1239         rt2x00usb_register_write(rt2x00dev, PHY_CSR5, 0x00040a06);
1240         rt2x00usb_register_write(rt2x00dev, PHY_CSR6, 0x00080606);
1241         rt2x00usb_register_write(rt2x00dev, PHY_CSR7, 0x00000408);
1242
1243         rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg);
1244         rt2x00_set_field32(&reg, MAC_CSR9_CW_SELECT, 0);
1245         rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg);
1246
1247         /*
1248          * Clear all beacons
1249          * For the Beacon base registers we only need to clear
1250          * the first byte since that byte contains the VALID and OWNER
1251          * bits which (when set to 0) will invalidate the entire beacon.
1252          */
1253         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
1254         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
1255         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
1256         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
1257
1258         /*
1259          * We must clear the error counters.
1260          * These registers are cleared on read,
1261          * so we may pass a useless variable to store the value.
1262          */
1263         rt2x00usb_register_read(rt2x00dev, STA_CSR0, &reg);
1264         rt2x00usb_register_read(rt2x00dev, STA_CSR1, &reg);
1265         rt2x00usb_register_read(rt2x00dev, STA_CSR2, &reg);
1266
1267         /*
1268          * Reset MAC and BBP registers.
1269          */
1270         rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1271         rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 1);
1272         rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 1);
1273         rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
1274
1275         rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1276         rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 0);
1277         rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 0);
1278         rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
1279
1280         rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1281         rt2x00_set_field32(&reg, MAC_CSR1_HOST_READY, 1);
1282         rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
1283
1284         return 0;
1285 }
1286
1287 static int rt73usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
1288 {
1289         unsigned int i;
1290         u8 value;
1291
1292         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1293                 rt73usb_bbp_read(rt2x00dev, 0, &value);
1294                 if ((value != 0xff) && (value != 0x00))
1295                         return 0;
1296                 udelay(REGISTER_BUSY_DELAY);
1297         }
1298
1299         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
1300         return -EACCES;
1301 }
1302
1303 static int rt73usb_init_bbp(struct rt2x00_dev *rt2x00dev)
1304 {
1305         unsigned int i;
1306         u16 eeprom;
1307         u8 reg_id;
1308         u8 value;
1309
1310         if (unlikely(rt73usb_wait_bbp_ready(rt2x00dev)))
1311                 return -EACCES;
1312
1313         rt73usb_bbp_write(rt2x00dev, 3, 0x80);
1314         rt73usb_bbp_write(rt2x00dev, 15, 0x30);
1315         rt73usb_bbp_write(rt2x00dev, 21, 0xc8);
1316         rt73usb_bbp_write(rt2x00dev, 22, 0x38);
1317         rt73usb_bbp_write(rt2x00dev, 23, 0x06);
1318         rt73usb_bbp_write(rt2x00dev, 24, 0xfe);
1319         rt73usb_bbp_write(rt2x00dev, 25, 0x0a);
1320         rt73usb_bbp_write(rt2x00dev, 26, 0x0d);
1321         rt73usb_bbp_write(rt2x00dev, 32, 0x0b);
1322         rt73usb_bbp_write(rt2x00dev, 34, 0x12);
1323         rt73usb_bbp_write(rt2x00dev, 37, 0x07);
1324         rt73usb_bbp_write(rt2x00dev, 39, 0xf8);
1325         rt73usb_bbp_write(rt2x00dev, 41, 0x60);
1326         rt73usb_bbp_write(rt2x00dev, 53, 0x10);
1327         rt73usb_bbp_write(rt2x00dev, 54, 0x18);
1328         rt73usb_bbp_write(rt2x00dev, 60, 0x10);
1329         rt73usb_bbp_write(rt2x00dev, 61, 0x04);
1330         rt73usb_bbp_write(rt2x00dev, 62, 0x04);
1331         rt73usb_bbp_write(rt2x00dev, 75, 0xfe);
1332         rt73usb_bbp_write(rt2x00dev, 86, 0xfe);
1333         rt73usb_bbp_write(rt2x00dev, 88, 0xfe);
1334         rt73usb_bbp_write(rt2x00dev, 90, 0x0f);
1335         rt73usb_bbp_write(rt2x00dev, 99, 0x00);
1336         rt73usb_bbp_write(rt2x00dev, 102, 0x16);
1337         rt73usb_bbp_write(rt2x00dev, 107, 0x04);
1338
1339         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1340                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1341
1342                 if (eeprom != 0xffff && eeprom != 0x0000) {
1343                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1344                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
1345                         rt73usb_bbp_write(rt2x00dev, reg_id, value);
1346                 }
1347         }
1348
1349         return 0;
1350 }
1351
1352 /*
1353  * Device state switch handlers.
1354  */
1355 static void rt73usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
1356                               enum dev_state state)
1357 {
1358         u32 reg;
1359
1360         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1361         rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX,
1362                            (state == STATE_RADIO_RX_OFF) ||
1363                            (state == STATE_RADIO_RX_OFF_LINK));
1364         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1365 }
1366
1367 static int rt73usb_enable_radio(struct rt2x00_dev *rt2x00dev)
1368 {
1369         /*
1370          * Initialize all registers.
1371          */
1372         if (unlikely(rt73usb_init_registers(rt2x00dev) ||
1373                      rt73usb_init_bbp(rt2x00dev)))
1374                 return -EIO;
1375
1376         return 0;
1377 }
1378
1379 static void rt73usb_disable_radio(struct rt2x00_dev *rt2x00dev)
1380 {
1381         rt2x00usb_register_write(rt2x00dev, MAC_CSR10, 0x00001818);
1382
1383         /*
1384          * Disable synchronisation.
1385          */
1386         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, 0);
1387
1388         rt2x00usb_disable_radio(rt2x00dev);
1389 }
1390
1391 static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state)
1392 {
1393         u32 reg;
1394         unsigned int i;
1395         char put_to_sleep;
1396
1397         put_to_sleep = (state != STATE_AWAKE);
1398
1399         rt2x00usb_register_read(rt2x00dev, MAC_CSR12, &reg);
1400         rt2x00_set_field32(&reg, MAC_CSR12_FORCE_WAKEUP, !put_to_sleep);
1401         rt2x00_set_field32(&reg, MAC_CSR12_PUT_TO_SLEEP, put_to_sleep);
1402         rt2x00usb_register_write(rt2x00dev, MAC_CSR12, reg);
1403
1404         /*
1405          * Device is not guaranteed to be in the requested state yet.
1406          * We must wait until the register indicates that the
1407          * device has entered the correct state.
1408          */
1409         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1410                 rt2x00usb_register_read(rt2x00dev, MAC_CSR12, &reg);
1411                 state = rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE);
1412                 if (state == !put_to_sleep)
1413                         return 0;
1414                 msleep(10);
1415         }
1416
1417         return -EBUSY;
1418 }
1419
1420 static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev,
1421                                     enum dev_state state)
1422 {
1423         int retval = 0;
1424
1425         switch (state) {
1426         case STATE_RADIO_ON:
1427                 retval = rt73usb_enable_radio(rt2x00dev);
1428                 break;
1429         case STATE_RADIO_OFF:
1430                 rt73usb_disable_radio(rt2x00dev);
1431                 break;
1432         case STATE_RADIO_RX_ON:
1433         case STATE_RADIO_RX_ON_LINK:
1434         case STATE_RADIO_RX_OFF:
1435         case STATE_RADIO_RX_OFF_LINK:
1436                 rt73usb_toggle_rx(rt2x00dev, state);
1437                 break;
1438         case STATE_RADIO_IRQ_ON:
1439         case STATE_RADIO_IRQ_OFF:
1440                 /* No support, but no error either */
1441                 break;
1442         case STATE_DEEP_SLEEP:
1443         case STATE_SLEEP:
1444         case STATE_STANDBY:
1445         case STATE_AWAKE:
1446                 retval = rt73usb_set_state(rt2x00dev, state);
1447                 break;
1448         default:
1449                 retval = -ENOTSUPP;
1450                 break;
1451         }
1452
1453         if (unlikely(retval))
1454                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
1455                       state, retval);
1456
1457         return retval;
1458 }
1459
1460 /*
1461  * TX descriptor initialization
1462  */
1463 static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1464                                   struct sk_buff *skb,
1465                                   struct txentry_desc *txdesc)
1466 {
1467         struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
1468         __le32 *txd = skbdesc->desc;
1469         u32 word;
1470
1471         /*
1472          * Start writing the descriptor words.
1473          */
1474         rt2x00_desc_read(txd, 1, &word);
1475         rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->queue);
1476         rt2x00_set_field32(&word, TXD_W1_AIFSN, txdesc->aifs);
1477         rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
1478         rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
1479         rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset);
1480         rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE,
1481                            test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
1482         rt2x00_desc_write(txd, 1, word);
1483
1484         rt2x00_desc_read(txd, 2, &word);
1485         rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal);
1486         rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service);
1487         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low);
1488         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
1489         rt2x00_desc_write(txd, 2, word);
1490
1491         if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) {
1492                 _rt2x00_desc_write(txd, 3, skbdesc->iv[0]);
1493                 _rt2x00_desc_write(txd, 4, skbdesc->iv[1]);
1494         }
1495
1496         rt2x00_desc_read(txd, 5, &word);
1497         rt2x00_set_field32(&word, TXD_W5_TX_POWER,
1498                            TXPOWER_TO_DEV(rt2x00dev->tx_power));
1499         rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
1500         rt2x00_desc_write(txd, 5, word);
1501
1502         rt2x00_desc_read(txd, 0, &word);
1503         rt2x00_set_field32(&word, TXD_W0_BURST,
1504                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
1505         rt2x00_set_field32(&word, TXD_W0_VALID, 1);
1506         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1507                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1508         rt2x00_set_field32(&word, TXD_W0_ACK,
1509                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1510         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1511                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1512         rt2x00_set_field32(&word, TXD_W0_OFDM,
1513                            (txdesc->rate_mode == RATE_MODE_OFDM));
1514         rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1515         rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
1516                            test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
1517         rt2x00_set_field32(&word, TXD_W0_TKIP_MIC,
1518                            test_bit(ENTRY_TXD_ENCRYPT_MMIC, &txdesc->flags));
1519         rt2x00_set_field32(&word, TXD_W0_KEY_TABLE,
1520                            test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags));
1521         rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx);
1522         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len);
1523         rt2x00_set_field32(&word, TXD_W0_BURST2,
1524                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
1525         rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher);
1526         rt2x00_desc_write(txd, 0, word);
1527 }
1528
1529 /*
1530  * TX data initialization
1531  */
1532 static void rt73usb_write_beacon(struct queue_entry *entry)
1533 {
1534         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1535         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1536         unsigned int beacon_base;
1537         u32 reg;
1538
1539         /*
1540          * Add the descriptor in front of the skb.
1541          */
1542         skb_push(entry->skb, entry->queue->desc_size);
1543         memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len);
1544         skbdesc->desc = entry->skb->data;
1545
1546         /*
1547          * Disable beaconing while we are reloading the beacon data,
1548          * otherwise we might be sending out invalid data.
1549          */
1550         rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1551         rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
1552         rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
1553         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
1554         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1555
1556         /*
1557          * Write entire beacon with descriptor to register.
1558          */
1559         beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
1560         rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
1561                                             USB_VENDOR_REQUEST_OUT, beacon_base,
1562                                             entry->skb->data, entry->skb->len,
1563                                             REGISTER_TIMEOUT32(entry->skb->len));
1564
1565         /*
1566          * Clean up the beacon skb.
1567          */
1568         dev_kfree_skb(entry->skb);
1569         entry->skb = NULL;
1570 }
1571
1572 static int rt73usb_get_tx_data_len(struct queue_entry *entry)
1573 {
1574         int length;
1575
1576         /*
1577          * The length _must_ be a multiple of 4,
1578          * but it must _not_ be a multiple of the USB packet size.
1579          */
1580         length = roundup(entry->skb->len, 4);
1581         length += (4 * !(length % entry->queue->usb_maxpacket));
1582
1583         return length;
1584 }
1585
1586 static void rt73usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1587                                   const enum data_queue_qid queue)
1588 {
1589         u32 reg;
1590
1591         if (queue != QID_BEACON) {
1592                 rt2x00usb_kick_tx_queue(rt2x00dev, queue);
1593                 return;
1594         }
1595
1596         /*
1597          * For Wi-Fi faily generated beacons between participating stations.
1598          * Set TBTT phase adaptive adjustment step to 8us (default 16us)
1599          */
1600         rt2x00usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008);
1601
1602         rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1603         if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) {
1604                 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
1605                 rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
1606                 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
1607                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1608         }
1609 }
1610
1611 /*
1612  * RX control handlers
1613  */
1614 static int rt73usb_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
1615 {
1616         u8 offset = rt2x00dev->lna_gain;
1617         u8 lna;
1618
1619         lna = rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_LNA);
1620         switch (lna) {
1621         case 3:
1622                 offset += 90;
1623                 break;
1624         case 2:
1625                 offset += 74;
1626                 break;
1627         case 1:
1628                 offset += 64;
1629                 break;
1630         default:
1631                 return 0;
1632         }
1633
1634         if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) {
1635                 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
1636                         if (lna == 3 || lna == 2)
1637                                 offset += 10;
1638                 } else {
1639                         if (lna == 3)
1640                                 offset += 6;
1641                         else if (lna == 2)
1642                                 offset += 8;
1643                 }
1644         }
1645
1646         return rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_AGC) * 2 - offset;
1647 }
1648
1649 static void rt73usb_fill_rxdone(struct queue_entry *entry,
1650                                 struct rxdone_entry_desc *rxdesc)
1651 {
1652         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1653         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1654         __le32 *rxd = (__le32 *)entry->skb->data;
1655         u32 word0;
1656         u32 word1;
1657
1658         /*
1659          * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of
1660          * frame data in rt2x00usb.
1661          */
1662         memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
1663         rxd = (__le32 *)skbdesc->desc;
1664
1665         /*
1666          * It is now safe to read the descriptor on all architectures.
1667          */
1668         rt2x00_desc_read(rxd, 0, &word0);
1669         rt2x00_desc_read(rxd, 1, &word1);
1670
1671         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1672                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1673
1674         if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) {
1675                 rxdesc->cipher =
1676                     rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG);
1677                 rxdesc->cipher_status =
1678                     rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR);
1679         }
1680
1681         if (rxdesc->cipher != CIPHER_NONE) {
1682                 _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]);
1683                 _rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]);
1684                 rxdesc->dev_flags |= RXDONE_CRYPTO_IV;
1685
1686                 _rt2x00_desc_read(rxd, 4, &rxdesc->icv);
1687                 rxdesc->dev_flags |= RXDONE_CRYPTO_ICV;
1688
1689                 /*
1690                  * Hardware has stripped IV/EIV data from 802.11 frame during
1691                  * decryption. It has provided the data seperately but rt2x00lib
1692                  * should decide if it should be reinserted.
1693                  */
1694                 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
1695
1696                 /*
1697                  * FIXME: Legacy driver indicates that the frame does
1698                  * contain the Michael Mic. Unfortunately, in rt2x00
1699                  * the MIC seems to be missing completely...
1700                  */
1701                 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
1702
1703                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
1704                         rxdesc->flags |= RX_FLAG_DECRYPTED;
1705                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
1706                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
1707         }
1708
1709         /*
1710          * Obtain the status about this packet.
1711          * When frame was received with an OFDM bitrate,
1712          * the signal is the PLCP value. If it was received with
1713          * a CCK bitrate the signal is the rate in 100kbit/s.
1714          */
1715         rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1716         rxdesc->rssi = rt73usb_agc_to_rssi(rt2x00dev, word1);
1717         rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1718
1719         if (rt2x00_get_field32(word0, RXD_W0_OFDM))
1720                 rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
1721         else
1722                 rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE;
1723         if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
1724                 rxdesc->dev_flags |= RXDONE_MY_BSS;
1725
1726         /*
1727          * Set skb pointers, and update frame information.
1728          */
1729         skb_pull(entry->skb, entry->queue->desc_size);
1730         skb_trim(entry->skb, rxdesc->size);
1731 }
1732
1733 /*
1734  * Device probe functions.
1735  */
1736 static int rt73usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1737 {
1738         u16 word;
1739         u8 *mac;
1740         s8 value;
1741
1742         rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1743
1744         /*
1745          * Start validation of the data that has been read.
1746          */
1747         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1748         if (!is_valid_ether_addr(mac)) {
1749                 random_ether_addr(mac);
1750                 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
1751         }
1752
1753         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1754         if (word == 0xffff) {
1755                 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1756                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1757                                    ANTENNA_B);
1758                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1759                                    ANTENNA_B);
1760                 rt2x00_set_field16(&word, EEPROM_ANTENNA_FRAME_TYPE, 0);
1761                 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1762                 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1763                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF5226);
1764                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1765                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1766         }
1767
1768         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1769         if (word == 0xffff) {
1770                 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA, 0);
1771                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1772                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1773         }
1774
1775         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &word);
1776         if (word == 0xffff) {
1777                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_G, 0);
1778                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_A, 0);
1779                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_ACT, 0);
1780                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_0, 0);
1781                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_1, 0);
1782                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_2, 0);
1783                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_3, 0);
1784                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_4, 0);
1785                 rt2x00_set_field16(&word, EEPROM_LED_LED_MODE,
1786                                    LED_MODE_DEFAULT);
1787                 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED, word);
1788                 EEPROM(rt2x00dev, "Led: 0x%04x\n", word);
1789         }
1790
1791         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
1792         if (word == 0xffff) {
1793                 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
1794                 rt2x00_set_field16(&word, EEPROM_FREQ_SEQ, 0);
1795                 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
1796                 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
1797         }
1798
1799         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &word);
1800         if (word == 0xffff) {
1801                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1802                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1803                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1804                 EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word);
1805         } else {
1806                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_1);
1807                 if (value < -10 || value > 10)
1808                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1809                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_2);
1810                 if (value < -10 || value > 10)
1811                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1812                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1813         }
1814
1815         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &word);
1816         if (word == 0xffff) {
1817                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1818                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1819                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
1820                 EEPROM(rt2x00dev, "RSSI OFFSET A: 0x%04x\n", word);
1821         } else {
1822                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_1);
1823                 if (value < -10 || value > 10)
1824                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1825                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_2);
1826                 if (value < -10 || value > 10)
1827                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1828                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
1829         }
1830
1831         return 0;
1832 }
1833
1834 static int rt73usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1835 {
1836         u32 reg;
1837         u16 value;
1838         u16 eeprom;
1839
1840         /*
1841          * Read EEPROM word for configuration.
1842          */
1843         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1844
1845         /*
1846          * Identify RF chipset.
1847          */
1848         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1849         rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1850         rt2x00_set_chip(rt2x00dev, RT2571, value, reg);
1851
1852         if (!rt2x00_check_rev(&rt2x00dev->chip, 0x25730)) {
1853                 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1854                 return -ENODEV;
1855         }
1856
1857         if (!rt2x00_rf(&rt2x00dev->chip, RF5226) &&
1858             !rt2x00_rf(&rt2x00dev->chip, RF2528) &&
1859             !rt2x00_rf(&rt2x00dev->chip, RF5225) &&
1860             !rt2x00_rf(&rt2x00dev->chip, RF2527)) {
1861                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1862                 return -ENODEV;
1863         }
1864
1865         /*
1866          * Identify default antenna configuration.
1867          */
1868         rt2x00dev->default_ant.tx =
1869             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1870         rt2x00dev->default_ant.rx =
1871             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1872
1873         /*
1874          * Read the Frame type.
1875          */
1876         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_FRAME_TYPE))
1877                 __set_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags);
1878
1879         /*
1880          * Detect if this device has an hardware controlled radio.
1881          */
1882 #ifdef CONFIG_RT2X00_LIB_RFKILL
1883         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
1884                 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
1885 #endif /* CONFIG_RT2X00_LIB_RFKILL */
1886
1887         /*
1888          * Read frequency offset.
1889          */
1890         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1891         rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
1892
1893         /*
1894          * Read external LNA informations.
1895          */
1896         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1897
1898         if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA)) {
1899                 __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
1900                 __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
1901         }
1902
1903         /*
1904          * Store led settings, for correct led behaviour.
1905          */
1906 #ifdef CONFIG_RT2X00_LIB_LEDS
1907         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom);
1908
1909         rt73usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
1910         rt73usb_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
1911         if (value == LED_MODE_SIGNAL_STRENGTH)
1912                 rt73usb_init_led(rt2x00dev, &rt2x00dev->led_qual,
1913                                  LED_TYPE_QUALITY);
1914
1915         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_LED_MODE, value);
1916         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_0,
1917                            rt2x00_get_field16(eeprom,
1918                                               EEPROM_LED_POLARITY_GPIO_0));
1919         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_1,
1920                            rt2x00_get_field16(eeprom,
1921                                               EEPROM_LED_POLARITY_GPIO_1));
1922         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_2,
1923                            rt2x00_get_field16(eeprom,
1924                                               EEPROM_LED_POLARITY_GPIO_2));
1925         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_3,
1926                            rt2x00_get_field16(eeprom,
1927                                               EEPROM_LED_POLARITY_GPIO_3));
1928         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_4,
1929                            rt2x00_get_field16(eeprom,
1930                                               EEPROM_LED_POLARITY_GPIO_4));
1931         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_ACT,
1932                            rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_ACT));
1933         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_BG,
1934                            rt2x00_get_field16(eeprom,
1935                                               EEPROM_LED_POLARITY_RDY_G));
1936         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_A,
1937                            rt2x00_get_field16(eeprom,
1938                                               EEPROM_LED_POLARITY_RDY_A));
1939 #endif /* CONFIG_RT2X00_LIB_LEDS */
1940
1941         return 0;
1942 }
1943
1944 /*
1945  * RF value list for RF2528
1946  * Supports: 2.4 GHz
1947  */
1948 static const struct rf_channel rf_vals_bg_2528[] = {
1949         { 1,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b },
1950         { 2,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f },
1951         { 3,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b },
1952         { 4,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f },
1953         { 5,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b },
1954         { 6,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f },
1955         { 7,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b },
1956         { 8,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f },
1957         { 9,  0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b },
1958         { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f },
1959         { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b },
1960         { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f },
1961         { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b },
1962         { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 },
1963 };
1964
1965 /*
1966  * RF value list for RF5226
1967  * Supports: 2.4 GHz & 5.2 GHz
1968  */
1969 static const struct rf_channel rf_vals_5226[] = {
1970         { 1,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b },
1971         { 2,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f },
1972         { 3,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b },
1973         { 4,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f },
1974         { 5,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b },
1975         { 6,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f },
1976         { 7,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b },
1977         { 8,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f },
1978         { 9,  0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b },
1979         { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f },
1980         { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b },
1981         { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f },
1982         { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b },
1983         { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 },
1984
1985         /* 802.11 UNI / HyperLan 2 */
1986         { 36, 0x00002c0c, 0x0000099a, 0x00098255, 0x000fea23 },
1987         { 40, 0x00002c0c, 0x000009a2, 0x00098255, 0x000fea03 },
1988         { 44, 0x00002c0c, 0x000009a6, 0x00098255, 0x000fea0b },
1989         { 48, 0x00002c0c, 0x000009aa, 0x00098255, 0x000fea13 },
1990         { 52, 0x00002c0c, 0x000009ae, 0x00098255, 0x000fea1b },
1991         { 56, 0x00002c0c, 0x000009b2, 0x00098255, 0x000fea23 },
1992         { 60, 0x00002c0c, 0x000009ba, 0x00098255, 0x000fea03 },
1993         { 64, 0x00002c0c, 0x000009be, 0x00098255, 0x000fea0b },
1994
1995         /* 802.11 HyperLan 2 */
1996         { 100, 0x00002c0c, 0x00000a2a, 0x000b8255, 0x000fea03 },
1997         { 104, 0x00002c0c, 0x00000a2e, 0x000b8255, 0x000fea0b },
1998         { 108, 0x00002c0c, 0x00000a32, 0x000b8255, 0x000fea13 },
1999         { 112, 0x00002c0c, 0x00000a36, 0x000b8255, 0x000fea1b },
2000         { 116, 0x00002c0c, 0x00000a3a, 0x000b8255, 0x000fea23 },
2001         { 120, 0x00002c0c, 0x00000a82, 0x000b8255, 0x000fea03 },
2002         { 124, 0x00002c0c, 0x00000a86, 0x000b8255, 0x000fea0b },
2003         { 128, 0x00002c0c, 0x00000a8a, 0x000b8255, 0x000fea13 },
2004         { 132, 0x00002c0c, 0x00000a8e, 0x000b8255, 0x000fea1b },
2005         { 136, 0x00002c0c, 0x00000a92, 0x000b8255, 0x000fea23 },
2006
2007         /* 802.11 UNII */
2008         { 140, 0x00002c0c, 0x00000a9a, 0x000b8255, 0x000fea03 },
2009         { 149, 0x00002c0c, 0x00000aa2, 0x000b8255, 0x000fea1f },
2010         { 153, 0x00002c0c, 0x00000aa6, 0x000b8255, 0x000fea27 },
2011         { 157, 0x00002c0c, 0x00000aae, 0x000b8255, 0x000fea07 },
2012         { 161, 0x00002c0c, 0x00000ab2, 0x000b8255, 0x000fea0f },
2013         { 165, 0x00002c0c, 0x00000ab6, 0x000b8255, 0x000fea17 },
2014
2015         /* MMAC(Japan)J52 ch 34,38,42,46 */
2016         { 34, 0x00002c0c, 0x0008099a, 0x000da255, 0x000d3a0b },
2017         { 38, 0x00002c0c, 0x0008099e, 0x000da255, 0x000d3a13 },
2018         { 42, 0x00002c0c, 0x000809a2, 0x000da255, 0x000d3a1b },
2019         { 46, 0x00002c0c, 0x000809a6, 0x000da255, 0x000d3a23 },
2020 };
2021
2022 /*
2023  * RF value list for RF5225 & RF2527
2024  * Supports: 2.4 GHz & 5.2 GHz
2025  */
2026 static const struct rf_channel rf_vals_5225_2527[] = {
2027         { 1,  0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b },
2028         { 2,  0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f },
2029         { 3,  0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b },
2030         { 4,  0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f },
2031         { 5,  0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b },
2032         { 6,  0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f },
2033         { 7,  0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b },
2034         { 8,  0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f },
2035         { 9,  0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b },
2036         { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f },
2037         { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b },
2038         { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f },
2039         { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b },
2040         { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 },
2041
2042         /* 802.11 UNI / HyperLan 2 */
2043         { 36, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa23 },
2044         { 40, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa03 },
2045         { 44, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa0b },
2046         { 48, 0x00002ccc, 0x000049aa, 0x0009be55, 0x000ffa13 },
2047         { 52, 0x00002ccc, 0x000049ae, 0x0009ae55, 0x000ffa1b },
2048         { 56, 0x00002ccc, 0x000049b2, 0x0009ae55, 0x000ffa23 },
2049         { 60, 0x00002ccc, 0x000049ba, 0x0009ae55, 0x000ffa03 },
2050         { 64, 0x00002ccc, 0x000049be, 0x0009ae55, 0x000ffa0b },
2051
2052         /* 802.11 HyperLan 2 */
2053         { 100, 0x00002ccc, 0x00004a2a, 0x000bae55, 0x000ffa03 },
2054         { 104, 0x00002ccc, 0x00004a2e, 0x000bae55, 0x000ffa0b },
2055         { 108, 0x00002ccc, 0x00004a32, 0x000bae55, 0x000ffa13 },
2056         { 112, 0x00002ccc, 0x00004a36, 0x000bae55, 0x000ffa1b },
2057         { 116, 0x00002ccc, 0x00004a3a, 0x000bbe55, 0x000ffa23 },
2058         { 120, 0x00002ccc, 0x00004a82, 0x000bbe55, 0x000ffa03 },
2059         { 124, 0x00002ccc, 0x00004a86, 0x000bbe55, 0x000ffa0b },
2060         { 128, 0x00002ccc, 0x00004a8a, 0x000bbe55, 0x000ffa13 },
2061         { 132, 0x00002ccc, 0x00004a8e, 0x000bbe55, 0x000ffa1b },
2062         { 136, 0x00002ccc, 0x00004a92, 0x000bbe55, 0x000ffa23 },
2063
2064         /* 802.11 UNII */
2065         { 140, 0x00002ccc, 0x00004a9a, 0x000bbe55, 0x000ffa03 },
2066         { 149, 0x00002ccc, 0x00004aa2, 0x000bbe55, 0x000ffa1f },
2067         { 153, 0x00002ccc, 0x00004aa6, 0x000bbe55, 0x000ffa27 },
2068         { 157, 0x00002ccc, 0x00004aae, 0x000bbe55, 0x000ffa07 },
2069         { 161, 0x00002ccc, 0x00004ab2, 0x000bbe55, 0x000ffa0f },
2070         { 165, 0x00002ccc, 0x00004ab6, 0x000bbe55, 0x000ffa17 },
2071
2072         /* MMAC(Japan)J52 ch 34,38,42,46 */
2073         { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa0b },
2074         { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000ffa13 },
2075         { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa1b },
2076         { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa23 },
2077 };
2078
2079
2080 static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
2081 {
2082         struct hw_mode_spec *spec = &rt2x00dev->spec;
2083         struct channel_info *info;
2084         char *tx_power;
2085         unsigned int i;
2086
2087         /*
2088          * Initialize all hw fields.
2089          */
2090         rt2x00dev->hw->flags =
2091             IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
2092             IEEE80211_HW_SIGNAL_DBM |
2093             IEEE80211_HW_SUPPORTS_PS |
2094             IEEE80211_HW_PS_NULLFUNC_STACK;
2095         rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
2096
2097         SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
2098         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
2099                                 rt2x00_eeprom_addr(rt2x00dev,
2100                                                    EEPROM_MAC_ADDR_0));
2101
2102         /*
2103          * Initialize hw_mode information.
2104          */
2105         spec->supported_bands = SUPPORT_BAND_2GHZ;
2106         spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
2107
2108         if (rt2x00_rf(&rt2x00dev->chip, RF2528)) {
2109                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2528);
2110                 spec->channels = rf_vals_bg_2528;
2111         } else if (rt2x00_rf(&rt2x00dev->chip, RF5226)) {
2112                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
2113                 spec->num_channels = ARRAY_SIZE(rf_vals_5226);
2114                 spec->channels = rf_vals_5226;
2115         } else if (rt2x00_rf(&rt2x00dev->chip, RF2527)) {
2116                 spec->num_channels = 14;
2117                 spec->channels = rf_vals_5225_2527;
2118         } else if (rt2x00_rf(&rt2x00dev->chip, RF5225)) {
2119                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
2120                 spec->num_channels = ARRAY_SIZE(rf_vals_5225_2527);
2121                 spec->channels = rf_vals_5225_2527;
2122         }
2123
2124         /*
2125          * Create channel information array
2126          */
2127         info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
2128         if (!info)
2129                 return -ENOMEM;
2130
2131         spec->channels_info = info;
2132
2133         tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START);
2134         for (i = 0; i < 14; i++)
2135                 info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
2136
2137         if (spec->num_channels > 14) {
2138                 tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
2139                 for (i = 14; i < spec->num_channels; i++)
2140                         info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
2141         }
2142
2143         return 0;
2144 }
2145
2146 static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev)
2147 {
2148         int retval;
2149
2150         /*
2151          * Allocate eeprom data.
2152          */
2153         retval = rt73usb_validate_eeprom(rt2x00dev);
2154         if (retval)
2155                 return retval;
2156
2157         retval = rt73usb_init_eeprom(rt2x00dev);
2158         if (retval)
2159                 return retval;
2160
2161         /*
2162          * Initialize hw specifications.
2163          */
2164         retval = rt73usb_probe_hw_mode(rt2x00dev);
2165         if (retval)
2166                 return retval;
2167
2168         /*
2169          * This device requires firmware.
2170          */
2171         __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
2172         __set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags);
2173         if (!modparam_nohwcrypt)
2174                 __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
2175
2176         /*
2177          * Set the rssi offset.
2178          */
2179         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
2180
2181         return 0;
2182 }
2183
2184 /*
2185  * IEEE80211 stack callback functions.
2186  */
2187 static int rt73usb_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
2188                            const struct ieee80211_tx_queue_params *params)
2189 {
2190         struct rt2x00_dev *rt2x00dev = hw->priv;
2191         struct data_queue *queue;
2192         struct rt2x00_field32 field;
2193         int retval;
2194         u32 reg;
2195         u32 offset;
2196
2197         /*
2198          * First pass the configuration through rt2x00lib, that will
2199          * update the queue settings and validate the input. After that
2200          * we are free to update the registers based on the value
2201          * in the queue parameter.
2202          */
2203         retval = rt2x00mac_conf_tx(hw, queue_idx, params);
2204         if (retval)
2205                 return retval;
2206
2207         /*
2208          * We only need to perform additional register initialization
2209          * for WMM queues/
2210          */
2211         if (queue_idx >= 4)
2212                 return 0;
2213
2214         queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
2215
2216         /* Update WMM TXOP register */
2217         offset = AC_TXOP_CSR0 + (sizeof(u32) * (!!(queue_idx & 2)));
2218         field.bit_offset = (queue_idx & 1) * 16;
2219         field.bit_mask = 0xffff << field.bit_offset;
2220
2221         rt2x00usb_register_read(rt2x00dev, offset, &reg);
2222         rt2x00_set_field32(&reg, field, queue->txop);
2223         rt2x00usb_register_write(rt2x00dev, offset, reg);
2224
2225         /* Update WMM registers */
2226         field.bit_offset = queue_idx * 4;
2227         field.bit_mask = 0xf << field.bit_offset;
2228
2229         rt2x00usb_register_read(rt2x00dev, AIFSN_CSR, &reg);
2230         rt2x00_set_field32(&reg, field, queue->aifs);
2231         rt2x00usb_register_write(rt2x00dev, AIFSN_CSR, reg);
2232
2233         rt2x00usb_register_read(rt2x00dev, CWMIN_CSR, &reg);
2234         rt2x00_set_field32(&reg, field, queue->cw_min);
2235         rt2x00usb_register_write(rt2x00dev, CWMIN_CSR, reg);
2236
2237         rt2x00usb_register_read(rt2x00dev, CWMAX_CSR, &reg);
2238         rt2x00_set_field32(&reg, field, queue->cw_max);
2239         rt2x00usb_register_write(rt2x00dev, CWMAX_CSR, reg);
2240
2241         return 0;
2242 }
2243
2244 #if 0
2245 /*
2246  * Mac80211 demands get_tsf must be atomic.
2247  * This is not possible for rt73usb since all register access
2248  * functions require sleeping. Untill mac80211 no longer needs
2249  * get_tsf to be atomic, this function should be disabled.
2250  */
2251 static u64 rt73usb_get_tsf(struct ieee80211_hw *hw)
2252 {
2253         struct rt2x00_dev *rt2x00dev = hw->priv;
2254         u64 tsf;
2255         u32 reg;
2256
2257         rt2x00usb_register_read(rt2x00dev, TXRX_CSR13, &reg);
2258         tsf = (u64) rt2x00_get_field32(reg, TXRX_CSR13_HIGH_TSFTIMER) << 32;
2259         rt2x00usb_register_read(rt2x00dev, TXRX_CSR12, &reg);
2260         tsf |= rt2x00_get_field32(reg, TXRX_CSR12_LOW_TSFTIMER);
2261
2262         return tsf;
2263 }
2264 #else
2265 #define rt73usb_get_tsf NULL
2266 #endif
2267
2268 static const struct ieee80211_ops rt73usb_mac80211_ops = {
2269         .tx                     = rt2x00mac_tx,
2270         .start                  = rt2x00mac_start,
2271         .stop                   = rt2x00mac_stop,
2272         .add_interface          = rt2x00mac_add_interface,
2273         .remove_interface       = rt2x00mac_remove_interface,
2274         .config                 = rt2x00mac_config,
2275         .config_interface       = rt2x00mac_config_interface,
2276         .configure_filter       = rt2x00mac_configure_filter,
2277         .set_key                = rt2x00mac_set_key,
2278         .get_stats              = rt2x00mac_get_stats,
2279         .bss_info_changed       = rt2x00mac_bss_info_changed,
2280         .conf_tx                = rt73usb_conf_tx,
2281         .get_tx_stats           = rt2x00mac_get_tx_stats,
2282         .get_tsf                = rt73usb_get_tsf,
2283 };
2284
2285 static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
2286         .probe_hw               = rt73usb_probe_hw,
2287         .get_firmware_name      = rt73usb_get_firmware_name,
2288         .check_firmware         = rt73usb_check_firmware,
2289         .load_firmware          = rt73usb_load_firmware,
2290         .initialize             = rt2x00usb_initialize,
2291         .uninitialize           = rt2x00usb_uninitialize,
2292         .clear_entry            = rt2x00usb_clear_entry,
2293         .set_device_state       = rt73usb_set_device_state,
2294         .rfkill_poll            = rt73usb_rfkill_poll,
2295         .link_stats             = rt73usb_link_stats,
2296         .reset_tuner            = rt73usb_reset_tuner,
2297         .link_tuner             = rt73usb_link_tuner,
2298         .write_tx_desc          = rt73usb_write_tx_desc,
2299         .write_tx_data          = rt2x00usb_write_tx_data,
2300         .write_beacon           = rt73usb_write_beacon,
2301         .get_tx_data_len        = rt73usb_get_tx_data_len,
2302         .kick_tx_queue          = rt73usb_kick_tx_queue,
2303         .kill_tx_queue          = rt2x00usb_kill_tx_queue,
2304         .fill_rxdone            = rt73usb_fill_rxdone,
2305         .config_shared_key      = rt73usb_config_shared_key,
2306         .config_pairwise_key    = rt73usb_config_pairwise_key,
2307         .config_filter          = rt73usb_config_filter,
2308         .config_intf            = rt73usb_config_intf,
2309         .config_erp             = rt73usb_config_erp,
2310         .config_ant             = rt73usb_config_ant,
2311         .config                 = rt73usb_config,
2312 };
2313
2314 static const struct data_queue_desc rt73usb_queue_rx = {
2315         .entry_num              = RX_ENTRIES,
2316         .data_size              = DATA_FRAME_SIZE,
2317         .desc_size              = RXD_DESC_SIZE,
2318         .priv_size              = sizeof(struct queue_entry_priv_usb),
2319 };
2320
2321 static const struct data_queue_desc rt73usb_queue_tx = {
2322         .entry_num              = TX_ENTRIES,
2323         .data_size              = DATA_FRAME_SIZE,
2324         .desc_size              = TXD_DESC_SIZE,
2325         .priv_size              = sizeof(struct queue_entry_priv_usb),
2326 };
2327
2328 static const struct data_queue_desc rt73usb_queue_bcn = {
2329         .entry_num              = 4 * BEACON_ENTRIES,
2330         .data_size              = MGMT_FRAME_SIZE,
2331         .desc_size              = TXINFO_SIZE,
2332         .priv_size              = sizeof(struct queue_entry_priv_usb),
2333 };
2334
2335 static const struct rt2x00_ops rt73usb_ops = {
2336         .name           = KBUILD_MODNAME,
2337         .max_sta_intf   = 1,
2338         .max_ap_intf    = 4,
2339         .eeprom_size    = EEPROM_SIZE,
2340         .rf_size        = RF_SIZE,
2341         .tx_queues      = NUM_TX_QUEUES,
2342         .rx             = &rt73usb_queue_rx,
2343         .tx             = &rt73usb_queue_tx,
2344         .bcn            = &rt73usb_queue_bcn,
2345         .lib            = &rt73usb_rt2x00_ops,
2346         .hw             = &rt73usb_mac80211_ops,
2347 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
2348         .debugfs        = &rt73usb_rt2x00debug,
2349 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
2350 };
2351
2352 /*
2353  * rt73usb module information.
2354  */
2355 static struct usb_device_id rt73usb_device_table[] = {
2356         /* AboCom */
2357         { USB_DEVICE(0x07b8, 0xb21d), USB_DEVICE_DATA(&rt73usb_ops) },
2358         /* Askey */
2359         { USB_DEVICE(0x1690, 0x0722), USB_DEVICE_DATA(&rt73usb_ops) },
2360         /* ASUS */
2361         { USB_DEVICE(0x0b05, 0x1723), USB_DEVICE_DATA(&rt73usb_ops) },
2362         { USB_DEVICE(0x0b05, 0x1724), USB_DEVICE_DATA(&rt73usb_ops) },
2363         /* Belkin */
2364         { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt73usb_ops) },
2365         { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt73usb_ops) },
2366         { USB_DEVICE(0x050d, 0x905b), USB_DEVICE_DATA(&rt73usb_ops) },
2367         { USB_DEVICE(0x050d, 0x905c), USB_DEVICE_DATA(&rt73usb_ops) },
2368         /* Billionton */
2369         { USB_DEVICE(0x1631, 0xc019), USB_DEVICE_DATA(&rt73usb_ops) },
2370         /* Buffalo */
2371         { USB_DEVICE(0x0411, 0x00d8), USB_DEVICE_DATA(&rt73usb_ops) },
2372         { USB_DEVICE(0x0411, 0x00f4), USB_DEVICE_DATA(&rt73usb_ops) },
2373         /* CNet */
2374         { USB_DEVICE(0x1371, 0x9022), USB_DEVICE_DATA(&rt73usb_ops) },
2375         { USB_DEVICE(0x1371, 0x9032), USB_DEVICE_DATA(&rt73usb_ops) },
2376         /* Conceptronic */
2377         { USB_DEVICE(0x14b2, 0x3c22), USB_DEVICE_DATA(&rt73usb_ops) },
2378         /* Corega */
2379         { USB_DEVICE(0x07aa, 0x002e), USB_DEVICE_DATA(&rt73usb_ops) },
2380         /* D-Link */
2381         { USB_DEVICE(0x07d1, 0x3c03), USB_DEVICE_DATA(&rt73usb_ops) },
2382         { USB_DEVICE(0x07d1, 0x3c04), USB_DEVICE_DATA(&rt73usb_ops) },
2383         { USB_DEVICE(0x07d1, 0x3c06), USB_DEVICE_DATA(&rt73usb_ops) },
2384         { USB_DEVICE(0x07d1, 0x3c07), USB_DEVICE_DATA(&rt73usb_ops) },
2385         /* Gemtek */
2386         { USB_DEVICE(0x15a9, 0x0004), USB_DEVICE_DATA(&rt73usb_ops) },
2387         /* Gigabyte */
2388         { USB_DEVICE(0x1044, 0x8008), USB_DEVICE_DATA(&rt73usb_ops) },
2389         { USB_DEVICE(0x1044, 0x800a), USB_DEVICE_DATA(&rt73usb_ops) },
2390         /* Huawei-3Com */
2391         { USB_DEVICE(0x1472, 0x0009), USB_DEVICE_DATA(&rt73usb_ops) },
2392         /* Hercules */
2393         { USB_DEVICE(0x06f8, 0xe010), USB_DEVICE_DATA(&rt73usb_ops) },
2394         { USB_DEVICE(0x06f8, 0xe020), USB_DEVICE_DATA(&rt73usb_ops) },
2395         /* Linksys */
2396         { USB_DEVICE(0x13b1, 0x0020), USB_DEVICE_DATA(&rt73usb_ops) },
2397         { USB_DEVICE(0x13b1, 0x0023), USB_DEVICE_DATA(&rt73usb_ops) },
2398         { USB_DEVICE(0x13b1, 0x0028), USB_DEVICE_DATA(&rt73usb_ops) },
2399         /* MSI */
2400         { USB_DEVICE(0x0db0, 0x6877), USB_DEVICE_DATA(&rt73usb_ops) },
2401         { USB_DEVICE(0x0db0, 0x6874), USB_DEVICE_DATA(&rt73usb_ops) },
2402         { USB_DEVICE(0x0db0, 0xa861), USB_DEVICE_DATA(&rt73usb_ops) },
2403         { USB_DEVICE(0x0db0, 0xa874), USB_DEVICE_DATA(&rt73usb_ops) },
2404         /* Ralink */
2405         { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt73usb_ops) },
2406         { USB_DEVICE(0x148f, 0x2671), USB_DEVICE_DATA(&rt73usb_ops) },
2407         /* Qcom */
2408         { USB_DEVICE(0x18e8, 0x6196), USB_DEVICE_DATA(&rt73usb_ops) },
2409         { USB_DEVICE(0x18e8, 0x6229), USB_DEVICE_DATA(&rt73usb_ops) },
2410         { USB_DEVICE(0x18e8, 0x6238), USB_DEVICE_DATA(&rt73usb_ops) },
2411         /* Senao */
2412         { USB_DEVICE(0x1740, 0x7100), USB_DEVICE_DATA(&rt73usb_ops) },
2413         /* Sitecom */
2414         { USB_DEVICE(0x0df6, 0x9712), USB_DEVICE_DATA(&rt73usb_ops) },
2415         { USB_DEVICE(0x0df6, 0x90ac), USB_DEVICE_DATA(&rt73usb_ops) },
2416         /* Surecom */
2417         { USB_DEVICE(0x0769, 0x31f3), USB_DEVICE_DATA(&rt73usb_ops) },
2418         /* Planex */
2419         { USB_DEVICE(0x2019, 0xab01), USB_DEVICE_DATA(&rt73usb_ops) },
2420         { USB_DEVICE(0x2019, 0xab50), USB_DEVICE_DATA(&rt73usb_ops) },
2421         { 0, }
2422 };
2423
2424 MODULE_AUTHOR(DRV_PROJECT);
2425 MODULE_VERSION(DRV_VERSION);
2426 MODULE_DESCRIPTION("Ralink RT73 USB Wireless LAN driver.");
2427 MODULE_SUPPORTED_DEVICE("Ralink RT2571W & RT2671 USB chipset based cards");
2428 MODULE_DEVICE_TABLE(usb, rt73usb_device_table);
2429 MODULE_FIRMWARE(FIRMWARE_RT2571);
2430 MODULE_LICENSE("GPL");
2431
2432 static struct usb_driver rt73usb_driver = {
2433         .name           = KBUILD_MODNAME,
2434         .id_table       = rt73usb_device_table,
2435         .probe          = rt2x00usb_probe,
2436         .disconnect     = rt2x00usb_disconnect,
2437         .suspend        = rt2x00usb_suspend,
2438         .resume         = rt2x00usb_resume,
2439 };
2440
2441 static int __init rt73usb_init(void)
2442 {
2443         return usb_register(&rt73usb_driver);
2444 }
2445
2446 static void __exit rt73usb_exit(void)
2447 {
2448         usb_deregister(&rt73usb_driver);
2449 }
2450
2451 module_init(rt73usb_init);
2452 module_exit(rt73usb_exit);