git.oblomov.eu Git - linux-2.6/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         mutex_lock(&rt2x00dev->csr_mutex);
 126
 127         /*
 128          * Wait until the RF becomes available, afterwards we
 129          * can safely write the new data into the register.
 130          */
 131         if (WAIT_FOR_RF(rt2x00dev, &reg)) {
 132                 reg = 0;
 133                 rt2x00_set_field32(&reg, PHY_CSR4_VALUE, value);
 134                 /*
 135                  * RF5225 and RF2527 contain 21 bits per RF register value,
 136                  * all others contain 20 bits.
 137                  */
 138                 rt2x00_set_field32(&reg, PHY_CSR4_NUMBER_OF_BITS,
 139                                    20 + (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
 140                                          rt2x00_rf(&rt2x00dev->chip, RF2527)));
 141                 rt2x00_set_field32(&reg, PHY_CSR4_IF_SELECT, 0);
 142                 rt2x00_set_field32(&reg, PHY_CSR4_BUSY, 1);
 143
 144                 rt2x00usb_register_write_lock(rt2x00dev, PHY_CSR4, reg);
 145                 rt2x00_rf_write(rt2x00dev, word, value);
 146         }
 147
 148         mutex_unlock(&rt2x00dev->csr_mutex);
 149 }
 150
 151 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 152 static const struct rt2x00debug rt73usb_rt2x00debug = {
 153         .owner  = THIS_MODULE,
 154         .csr    = {
 155                 .read           = rt2x00usb_register_read,
 156                 .write          = rt2x00usb_register_write,
 157                 .flags          = RT2X00DEBUGFS_OFFSET,
 158                 .word_base      = CSR_REG_BASE,
 159                 .word_size      = sizeof(u32),
 160                 .word_count     = CSR_REG_SIZE / sizeof(u32),
 161         },
 162         .eeprom = {
 163                 .read           = rt2x00_eeprom_read,
 164                 .write          = rt2x00_eeprom_write,
 165                 .word_base      = EEPROM_BASE,
 166                 .word_size      = sizeof(u16),
 167                 .word_count     = EEPROM_SIZE / sizeof(u16),
 168         },
 169         .bbp    = {
 170                 .read           = rt73usb_bbp_read,
 171                 .write          = rt73usb_bbp_write,
 172                 .word_base      = BBP_BASE,
 173                 .word_size      = sizeof(u8),
 174                 .word_count     = BBP_SIZE / sizeof(u8),
 175         },
 176         .rf     = {
 177                 .read           = rt2x00_rf_read,
 178                 .write          = rt73usb_rf_write,
 179                 .word_base      = RF_BASE,
 180                 .word_size      = sizeof(u32),
 181                 .word_count     = RF_SIZE / sizeof(u32),
 182         },
 183 };
 184 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 185
 186 #ifdef CONFIG_RT2X00_LIB_RFKILL
 187 static int rt73usb_rfkill_poll(struct rt2x00_dev *rt2x00dev)
 188 {
 189         u32 reg;
 190
 191         rt2x00usb_register_read(rt2x00dev, MAC_CSR13, &reg);
 192         return rt2x00_get_field32(reg, MAC_CSR13_BIT7);
 193 }
 194 #else
 195 #define rt73usb_rfkill_poll     NULL
 196 #endif /* CONFIG_RT2X00_LIB_RFKILL */
 197
 198 #ifdef CONFIG_RT2X00_LIB_LEDS
 199 static void rt73usb_brightness_set(struct led_classdev *led_cdev,
 200                                    enum led_brightness brightness)
 201 {
 202         struct rt2x00_led *led =
 203            container_of(led_cdev, struct rt2x00_led, led_dev);
 204         unsigned int enabled = brightness != LED_OFF;
 205         unsigned int a_mode =
 206             (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
 207         unsigned int bg_mode =
 208             (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
 209
 210         if (led->type == LED_TYPE_RADIO) {
 211                 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
 212                                    MCU_LEDCS_RADIO_STATUS, enabled);
 213
 214                 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
 215                                             0, led->rt2x00dev->led_mcu_reg,
 216                                             REGISTER_TIMEOUT);
 217         } else if (led->type == LED_TYPE_ASSOC) {
 218                 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
 219                                    MCU_LEDCS_LINK_BG_STATUS, bg_mode);
 220                 rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
 221                                    MCU_LEDCS_LINK_A_STATUS, a_mode);
 222
 223                 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
 224                                             0, led->rt2x00dev->led_mcu_reg,
 225                                             REGISTER_TIMEOUT);
 226         } else if (led->type == LED_TYPE_QUALITY) {
 227                 /*
 228                  * The brightness is divided into 6 levels (0 - 5),
 229                  * this means we need to convert the brightness
 230                  * argument into the matching level within that range.
 231                  */
 232                 rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
 233                                             brightness / (LED_FULL / 6),
 234                                             led->rt2x00dev->led_mcu_reg,
 235                                             REGISTER_TIMEOUT);
 236         }
 237 }
 238
 239 static int rt73usb_blink_set(struct led_classdev *led_cdev,
 240                              unsigned long *delay_on,
 241                              unsigned long *delay_off)
 242 {
 243         struct rt2x00_led *led =
 244             container_of(led_cdev, struct rt2x00_led, led_dev);
 245         u32 reg;
 246
 247         rt2x00usb_register_read(led->rt2x00dev, MAC_CSR14, &reg);
 248         rt2x00_set_field32(&reg, MAC_CSR14_ON_PERIOD, *delay_on);
 249         rt2x00_set_field32(&reg, MAC_CSR14_OFF_PERIOD, *delay_off);
 250         rt2x00usb_register_write(led->rt2x00dev, MAC_CSR14, reg);
 251
 252         return 0;
 253 }
 254
 255 static void rt73usb_init_led(struct rt2x00_dev *rt2x00dev,
 256                              struct rt2x00_led *led,
 257                              enum led_type type)
 258 {
 259         led->rt2x00dev = rt2x00dev;
 260         led->type = type;
 261         led->led_dev.brightness_set = rt73usb_brightness_set;
 262         led->led_dev.blink_set = rt73usb_blink_set;
 263         led->flags = LED_INITIALIZED;
 264 }
 265 #endif /* CONFIG_RT2X00_LIB_LEDS */
 266
 267 /*
 268  * Configuration handlers.
 269  */
 270 static int rt73usb_config_shared_key(struct rt2x00_dev *rt2x00dev,
 271                                      struct rt2x00lib_crypto *crypto,
 272                                      struct ieee80211_key_conf *key)
 273 {
 274         struct hw_key_entry key_entry;
 275         struct rt2x00_field32 field;
 276         int timeout;
 277         u32 mask;
 278         u32 reg;
 279
 280         if (crypto->cmd == SET_KEY) {
 281                 /*
 282                  * rt2x00lib can't determine the correct free
 283                  * key_idx for shared keys. We have 1 register
 284                  * with key valid bits. The goal is simple, read
 285                  * the register, if that is full we have no slots
 286                  * left.
 287                  * Note that each BSS is allowed to have up to 4
 288                  * shared keys, so put a mask over the allowed
 289                  * entries.
 290                  */
 291                 mask = (0xf << crypto->bssidx);
 292
 293                 rt2x00usb_register_read(rt2x00dev, SEC_CSR0, &reg);
 294                 reg &= mask;
 295
 296                 if (reg && reg == mask)
 297                         return -ENOSPC;
 298
 299                 key->hw_key_idx += reg ? ffz(reg) : 0;
 300
 301                 /*
 302                  * Upload key to hardware
 303                  */
 304                 memcpy(key_entry.key, crypto->key,
 305                        sizeof(key_entry.key));
 306                 memcpy(key_entry.tx_mic, crypto->tx_mic,
 307                        sizeof(key_entry.tx_mic));
 308                 memcpy(key_entry.rx_mic, crypto->rx_mic,
 309                        sizeof(key_entry.rx_mic));
 310
 311                 reg = SHARED_KEY_ENTRY(key->hw_key_idx);
 312                 timeout = REGISTER_TIMEOUT32(sizeof(key_entry));
 313                 rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
 314                                                     USB_VENDOR_REQUEST_OUT, reg,
 315                                                     &key_entry,
 316                                                     sizeof(key_entry),
 317                                                     timeout);
 318
 319                 /*
 320                  * The cipher types are stored over 2 registers.
 321                  * bssidx 0 and 1 keys are stored in SEC_CSR1 and
 322                  * bssidx 1 and 2 keys are stored in SEC_CSR5.
 323                  * Using the correct defines correctly will cause overhead,
 324                  * so just calculate the correct offset.
 325                  */
 326                 if (key->hw_key_idx < 8) {
 327                         field.bit_offset = (3 * key->hw_key_idx);
 328                         field.bit_mask = 0x7 << field.bit_offset;
 329
 330                         rt2x00usb_register_read(rt2x00dev, SEC_CSR1, &reg);
 331                         rt2x00_set_field32(&reg, field, crypto->cipher);
 332                         rt2x00usb_register_write(rt2x00dev, SEC_CSR1, reg);
 333                 } else {
 334                         field.bit_offset = (3 * (key->hw_key_idx - 8));
 335                         field.bit_mask = 0x7 << field.bit_offset;
 336
 337                         rt2x00usb_register_read(rt2x00dev, SEC_CSR5, &reg);
 338                         rt2x00_set_field32(&reg, field, crypto->cipher);
 339                         rt2x00usb_register_write(rt2x00dev, SEC_CSR5, reg);
 340                 }
 341
 342                 /*
 343                  * The driver does not support the IV/EIV generation
 344                  * in hardware. However it doesn't support the IV/EIV
 345                  * inside the ieee80211 frame either, but requires it
 346                  * to be provided seperately for the descriptor.
 347                  * rt2x00lib will cut the IV/EIV data out of all frames
 348                  * given to us by mac80211, but we must tell mac80211
 349                  * to generate the IV/EIV data.
 350                  */
 351                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
 352         }
 353
 354         /*
 355          * SEC_CSR0 contains only single-bit fields to indicate
 356          * a particular key is valid. Because using the FIELD32()
 357          * defines directly will cause a lot of overhead we use
 358          * a calculation to determine the correct bit directly.
 359          */
 360         mask = 1 << key->hw_key_idx;
 361
 362         rt2x00usb_register_read(rt2x00dev, SEC_CSR0, &reg);
 363         if (crypto->cmd == SET_KEY)
 364                 reg |= mask;
 365         else if (crypto->cmd == DISABLE_KEY)
 366                 reg &= ~mask;
 367         rt2x00usb_register_write(rt2x00dev, SEC_CSR0, reg);
 368
 369         return 0;
 370 }
 371
 372 static int rt73usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
 373                                        struct rt2x00lib_crypto *crypto,
 374                                        struct ieee80211_key_conf *key)
 375 {
 376         struct hw_pairwise_ta_entry addr_entry;
 377         struct hw_key_entry key_entry;
 378         int timeout;
 379         u32 mask;
 380         u32 reg;
 381
 382         if (crypto->cmd == SET_KEY) {
 383                 /*
 384                  * rt2x00lib can't determine the correct free
 385                  * key_idx for pairwise keys. We have 2 registers
 386                  * with key valid bits. The goal is simple, read
 387                  * the first register, if that is full move to
 388                  * the next register.
 389                  * When both registers are full, we drop the key,
 390                  * otherwise we use the first invalid entry.
 391                  */
 392                 rt2x00usb_register_read(rt2x00dev, SEC_CSR2, &reg);
 393                 if (reg && reg == ~0) {
 394                         key->hw_key_idx = 32;
 395                         rt2x00usb_register_read(rt2x00dev, SEC_CSR3, &reg);
 396                         if (reg && reg == ~0)
 397                                 return -ENOSPC;
 398                 }
 399
 400                 key->hw_key_idx += reg ? ffz(reg) : 0;
 401
 402                 /*
 403                  * Upload key to hardware
 404                  */
 405                 memcpy(key_entry.key, crypto->key,
 406                        sizeof(key_entry.key));
 407                 memcpy(key_entry.tx_mic, crypto->tx_mic,
 408                        sizeof(key_entry.tx_mic));
 409                 memcpy(key_entry.rx_mic, crypto->rx_mic,
 410                        sizeof(key_entry.rx_mic));
 411
 412                 reg = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
 413                 timeout = REGISTER_TIMEOUT32(sizeof(key_entry));
 414                 rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
 415                                                     USB_VENDOR_REQUEST_OUT, reg,
 416                                                     &key_entry,
 417                                                     sizeof(key_entry),
 418                                                     timeout);
 419
 420                 /*
 421                  * Send the address and cipher type to the hardware register.
 422                  * This data fits within the CSR cache size, so we can use
 423                  * rt2x00usb_register_multiwrite() directly.
 424                  */
 425                 memset(&addr_entry, 0, sizeof(addr_entry));
 426                 memcpy(&addr_entry, crypto->address, ETH_ALEN);
 427                 addr_entry.cipher = crypto->cipher;
 428
 429                 reg = PAIRWISE_TA_ENTRY(key->hw_key_idx);
 430                 rt2x00usb_register_multiwrite(rt2x00dev, reg,
 431                                             &addr_entry, sizeof(addr_entry));
 432
 433                 /*
 434                  * Enable pairwise lookup table for given BSS idx,
 435                  * without this received frames will not be decrypted
 436                  * by the hardware.
 437                  */
 438                 rt2x00usb_register_read(rt2x00dev, SEC_CSR4, &reg);
 439                 reg |= (1 << crypto->bssidx);
 440                 rt2x00usb_register_write(rt2x00dev, SEC_CSR4, reg);
 441
 442                 /*
 443                  * The driver does not support the IV/EIV generation
 444                  * in hardware. However it doesn't support the IV/EIV
 445                  * inside the ieee80211 frame either, but requires it
 446                  * to be provided seperately for the descriptor.
 447                  * rt2x00lib will cut the IV/EIV data out of all frames
 448                  * given to us by mac80211, but we must tell mac80211
 449                  * to generate the IV/EIV data.
 450                  */
 451                 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
 452         }
 453
 454         /*
 455          * SEC_CSR2 and SEC_CSR3 contain only single-bit fields to indicate
 456          * a particular key is valid. Because using the FIELD32()
 457          * defines directly will cause a lot of overhead we use
 458          * a calculation to determine the correct bit directly.
 459          */
 460         if (key->hw_key_idx < 32) {
 461                 mask = 1 << key->hw_key_idx;
 462
 463                 rt2x00usb_register_read(rt2x00dev, SEC_CSR2, &reg);
 464                 if (crypto->cmd == SET_KEY)
 465                         reg |= mask;
 466                 else if (crypto->cmd == DISABLE_KEY)
 467                         reg &= ~mask;
 468                 rt2x00usb_register_write(rt2x00dev, SEC_CSR2, reg);
 469         } else {
 470                 mask = 1 << (key->hw_key_idx - 32);
 471
 472                 rt2x00usb_register_read(rt2x00dev, SEC_CSR3, &reg);
 473                 if (crypto->cmd == SET_KEY)
 474                         reg |= mask;
 475                 else if (crypto->cmd == DISABLE_KEY)
 476                         reg &= ~mask;
 477                 rt2x00usb_register_write(rt2x00dev, SEC_CSR3, reg);
 478         }
 479
 480         return 0;
 481 }
 482
 483 static void rt73usb_config_filter(struct rt2x00_dev *rt2x00dev,
 484                                   const unsigned int filter_flags)
 485 {
 486         u32 reg;
 487
 488         /*
 489          * Start configuration steps.
 490          * Note that the version error will always be dropped
 491          * and broadcast frames will always be accepted since
 492          * there is no filter for it at this time.
 493          */
 494         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 495         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CRC,
 496                            !(filter_flags & FIF_FCSFAIL));
 497         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_PHYSICAL,
 498                            !(filter_flags & FIF_PLCPFAIL));
 499         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_CONTROL,
 500                            !(filter_flags & FIF_CONTROL));
 501         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_NOT_TO_ME,
 502                            !(filter_flags & FIF_PROMISC_IN_BSS));
 503         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_TO_DS,
 504                            !(filter_flags & FIF_PROMISC_IN_BSS) &&
 505                            !rt2x00dev->intf_ap_count);
 506         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_VERSION_ERROR, 1);
 507         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_MULTICAST,
 508                            !(filter_flags & FIF_ALLMULTI));
 509         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_BROADCAST, 0);
 510         rt2x00_set_field32(&reg, TXRX_CSR0_DROP_ACK_CTS,
 511                            !(filter_flags & FIF_CONTROL));
 512         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 513 }
 514
 515 static void rt73usb_config_intf(struct rt2x00_dev *rt2x00dev,
 516                                 struct rt2x00_intf *intf,
 517                                 struct rt2x00intf_conf *conf,
 518                                 const unsigned int flags)
 519 {
 520         unsigned int beacon_base;
 521         u32 reg;
 522
 523         if (flags & CONFIG_UPDATE_TYPE) {
 524                 /*
 525                  * Clear current synchronisation setup.
 526                  * For the Beacon base registers we only need to clear
 527                  * the first byte since that byte contains the VALID and OWNER
 528                  * bits which (when set to 0) will invalidate the entire beacon.
 529                  */
 530                 beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
 531                 rt2x00usb_register_write(rt2x00dev, beacon_base, 0);
 532
 533                 /*
 534                  * Enable synchronisation.
 535                  */
 536                 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
 537                 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
 538                 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, conf->sync);
 539                 rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
 540                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
 541         }
 542
 543         if (flags & CONFIG_UPDATE_MAC) {
 544                 reg = le32_to_cpu(conf->mac[1]);
 545                 rt2x00_set_field32(&reg, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
 546                 conf->mac[1] = cpu_to_le32(reg);
 547
 548                 rt2x00usb_register_multiwrite(rt2x00dev, MAC_CSR2,
 549                                             conf->mac, sizeof(conf->mac));
 550         }
 551
 552         if (flags & CONFIG_UPDATE_BSSID) {
 553                 reg = le32_to_cpu(conf->bssid[1]);
 554                 rt2x00_set_field32(&reg, MAC_CSR5_BSS_ID_MASK, 3);
 555                 conf->bssid[1] = cpu_to_le32(reg);
 556
 557                 rt2x00usb_register_multiwrite(rt2x00dev, MAC_CSR4,
 558                                             conf->bssid, sizeof(conf->bssid));
 559         }
 560 }
 561
 562 static void rt73usb_config_erp(struct rt2x00_dev *rt2x00dev,
 563                                struct rt2x00lib_erp *erp)
 564 {
 565         u32 reg;
 566
 567         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 568         rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, erp->ack_timeout);
 569         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 570
 571         rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
 572         rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
 573                            !!erp->short_preamble);
 574         rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
 575
 576         rt2x00usb_register_write(rt2x00dev, TXRX_CSR5, erp->basic_rates);
 577
 578         rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg);
 579         rt2x00_set_field32(&reg, MAC_CSR9_SLOT_TIME, erp->slot_time);
 580         rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg);
 581
 582         rt2x00usb_register_read(rt2x00dev, MAC_CSR8, &reg);
 583         rt2x00_set_field32(&reg, MAC_CSR8_SIFS, erp->sifs);
 584         rt2x00_set_field32(&reg, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3);
 585         rt2x00_set_field32(&reg, MAC_CSR8_EIFS, erp->eifs);
 586         rt2x00usb_register_write(rt2x00dev, MAC_CSR8, reg);
 587 }
 588
 589 static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev,
 590                                       struct antenna_setup *ant)
 591 {
 592         u8 r3;
 593         u8 r4;
 594         u8 r77;
 595         u8 temp;
 596
 597         rt73usb_bbp_read(rt2x00dev, 3, &r3);
 598         rt73usb_bbp_read(rt2x00dev, 4, &r4);
 599         rt73usb_bbp_read(rt2x00dev, 77, &r77);
 600
 601         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
 602
 603         /*
 604          * Configure the RX antenna.
 605          */
 606         switch (ant->rx) {
 607         case ANTENNA_HW_DIVERSITY:
 608                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
 609                 temp = !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags)
 610                        && (rt2x00dev->curr_band != IEEE80211_BAND_5GHZ);
 611                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, temp);
 612                 break;
 613         case ANTENNA_A:
 614                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
 615                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
 616                 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ)
 617                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
 618                 else
 619                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
 620                 break;
 621         case ANTENNA_B:
 622         default:
 623                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
 624                 rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
 625                 if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ)
 626                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
 627                 else
 628                         rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
 629                 break;
 630         }
 631
 632         rt73usb_bbp_write(rt2x00dev, 77, r77);
 633         rt73usb_bbp_write(rt2x00dev, 3, r3);
 634         rt73usb_bbp_write(rt2x00dev, 4, r4);
 635 }
 636
 637 static void rt73usb_config_antenna_2x(struct rt2x00_dev *rt2x00dev,
 638                                       struct antenna_setup *ant)
 639 {
 640         u8 r3;
 641         u8 r4;
 642         u8 r77;
 643
 644         rt73usb_bbp_read(rt2x00dev, 3, &r3);
 645         rt73usb_bbp_read(rt2x00dev, 4, &r4);
 646         rt73usb_bbp_read(rt2x00dev, 77, &r77);
 647
 648         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
 649         rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
 650                           !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags));
 651
 652         /*
 653          * Configure the RX antenna.
 654          */
 655         switch (ant->rx) {
 656         case ANTENNA_HW_DIVERSITY:
 657                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 2);
 658                 break;
 659         case ANTENNA_A:
 660                 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
 661                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
 662                 break;
 663         case ANTENNA_B:
 664         default:
 665                 rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
 666                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
 667                 break;
 668         }
 669
 670         rt73usb_bbp_write(rt2x00dev, 77, r77);
 671         rt73usb_bbp_write(rt2x00dev, 3, r3);
 672         rt73usb_bbp_write(rt2x00dev, 4, r4);
 673 }
 674
 675 struct antenna_sel {
 676         u8 word;
 677         /*
 678          * value[0] -> non-LNA
 679          * value[1] -> LNA
 680          */
 681         u8 value[2];
 682 };
 683
 684 static const struct antenna_sel antenna_sel_a[] = {
 685         { 96,  { 0x58, 0x78 } },
 686         { 104, { 0x38, 0x48 } },
 687         { 75,  { 0xfe, 0x80 } },
 688         { 86,  { 0xfe, 0x80 } },
 689         { 88,  { 0xfe, 0x80 } },
 690         { 35,  { 0x60, 0x60 } },
 691         { 97,  { 0x58, 0x58 } },
 692         { 98,  { 0x58, 0x58 } },
 693 };
 694
 695 static const struct antenna_sel antenna_sel_bg[] = {
 696         { 96,  { 0x48, 0x68 } },
 697         { 104, { 0x2c, 0x3c } },
 698         { 75,  { 0xfe, 0x80 } },
 699         { 86,  { 0xfe, 0x80 } },
 700         { 88,  { 0xfe, 0x80 } },
 701         { 35,  { 0x50, 0x50 } },
 702         { 97,  { 0x48, 0x48 } },
 703         { 98,  { 0x48, 0x48 } },
 704 };
 705
 706 static void rt73usb_config_ant(struct rt2x00_dev *rt2x00dev,
 707                                struct antenna_setup *ant)
 708 {
 709         const struct antenna_sel *sel;
 710         unsigned int lna;
 711         unsigned int i;
 712         u32 reg;
 713
 714         /*
 715          * We should never come here because rt2x00lib is supposed
 716          * to catch this and send us the correct antenna explicitely.
 717          */
 718         BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
 719                ant->tx == ANTENNA_SW_DIVERSITY);
 720
 721         if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
 722                 sel = antenna_sel_a;
 723                 lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
 724         } else {
 725                 sel = antenna_sel_bg;
 726                 lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
 727         }
 728
 729         for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++)
 730                 rt73usb_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]);
 731
 732         rt2x00usb_register_read(rt2x00dev, PHY_CSR0, &reg);
 733
 734         rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_BG,
 735                            (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ));
 736         rt2x00_set_field32(&reg, PHY_CSR0_PA_PE_A,
 737                            (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ));
 738
 739         rt2x00usb_register_write(rt2x00dev, PHY_CSR0, reg);
 740
 741         if (rt2x00_rf(&rt2x00dev->chip, RF5226) ||
 742             rt2x00_rf(&rt2x00dev->chip, RF5225))
 743                 rt73usb_config_antenna_5x(rt2x00dev, ant);
 744         else if (rt2x00_rf(&rt2x00dev->chip, RF2528) ||
 745                  rt2x00_rf(&rt2x00dev->chip, RF2527))
 746                 rt73usb_config_antenna_2x(rt2x00dev, ant);
 747 }
 748
 749 static void rt73usb_config_lna_gain(struct rt2x00_dev *rt2x00dev,
 750                                     struct rt2x00lib_conf *libconf)
 751 {
 752         u16 eeprom;
 753         short lna_gain = 0;
 754
 755         if (libconf->conf->channel->band == IEEE80211_BAND_2GHZ) {
 756                 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags))
 757                         lna_gain += 14;
 758
 759                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &eeprom);
 760                 lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_BG_1);
 761         } else {
 762                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &eeprom);
 763                 lna_gain -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_A_1);
 764         }
 765
 766         rt2x00dev->lna_gain = lna_gain;
 767 }
 768
 769 static void rt73usb_config_channel(struct rt2x00_dev *rt2x00dev,
 770                                    struct rf_channel *rf, const int txpower)
 771 {
 772         u8 r3;
 773         u8 r94;
 774         u8 smart;
 775
 776         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 777         rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
 778
 779         smart = !(rt2x00_rf(&rt2x00dev->chip, RF5225) ||
 780                   rt2x00_rf(&rt2x00dev->chip, RF2527));
 781
 782         rt73usb_bbp_read(rt2x00dev, 3, &r3);
 783         rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, smart);
 784         rt73usb_bbp_write(rt2x00dev, 3, r3);
 785
 786         r94 = 6;
 787         if (txpower > MAX_TXPOWER && txpower <= (MAX_TXPOWER + r94))
 788                 r94 += txpower - MAX_TXPOWER;
 789         else if (txpower < MIN_TXPOWER && txpower >= (MIN_TXPOWER - r94))
 790                 r94 += txpower;
 791         rt73usb_bbp_write(rt2x00dev, 94, r94);
 792
 793         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
 794         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
 795         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
 796         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
 797
 798         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
 799         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
 800         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
 801         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
 802
 803         rt73usb_rf_write(rt2x00dev, 1, rf->rf1);
 804         rt73usb_rf_write(rt2x00dev, 2, rf->rf2);
 805         rt73usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
 806         rt73usb_rf_write(rt2x00dev, 4, rf->rf4);
 807
 808         udelay(10);
 809 }
 810
 811 static void rt73usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 812                                    const int txpower)
 813 {
 814         struct rf_channel rf;
 815
 816         rt2x00_rf_read(rt2x00dev, 1, &rf.rf1);
 817         rt2x00_rf_read(rt2x00dev, 2, &rf.rf2);
 818         rt2x00_rf_read(rt2x00dev, 3, &rf.rf3);
 819         rt2x00_rf_read(rt2x00dev, 4, &rf.rf4);
 820
 821         rt73usb_config_channel(rt2x00dev, &rf, txpower);
 822 }
 823
 824 static void rt73usb_config_retry_limit(struct rt2x00_dev *rt2x00dev,
 825                                        struct rt2x00lib_conf *libconf)
 826 {
 827         u32 reg;
 828
 829         rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
 830         rt2x00_set_field32(&reg, TXRX_CSR4_LONG_RETRY_LIMIT,
 831                            libconf->conf->long_frame_max_tx_count);
 832         rt2x00_set_field32(&reg, TXRX_CSR4_SHORT_RETRY_LIMIT,
 833                            libconf->conf->short_frame_max_tx_count);
 834         rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
 835 }
 836
 837 static void rt73usb_config_duration(struct rt2x00_dev *rt2x00dev,
 838                                     struct rt2x00lib_conf *libconf)
 839 {
 840         u32 reg;
 841
 842         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 843         rt2x00_set_field32(&reg, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
 844         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 845
 846         rt2x00usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
 847         rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
 848         rt2x00usb_register_write(rt2x00dev, TXRX_CSR4, reg);
 849
 850         rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
 851         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL,
 852                            libconf->conf->beacon_int * 16);
 853         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
 854 }
 855
 856 static void rt73usb_config_ps(struct rt2x00_dev *rt2x00dev,
 857                                 struct rt2x00lib_conf *libconf)
 858 {
 859         enum dev_state state =
 860             (libconf->conf->flags & IEEE80211_CONF_PS) ?
 861                 STATE_SLEEP : STATE_AWAKE;
 862         u32 reg;
 863
 864         if (state == STATE_SLEEP) {
 865                 rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg);
 866                 rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN,
 867                                    libconf->conf->beacon_int - 10);
 868                 rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP,
 869                                    libconf->conf->listen_interval - 1);
 870                 rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 5);
 871
 872                 /* We must first disable autowake before it can be enabled */
 873                 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 0);
 874                 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
 875
 876                 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 1);
 877                 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
 878
 879                 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
 880                                             USB_MODE_SLEEP, REGISTER_TIMEOUT);
 881         } else {
 882                 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
 883                                             USB_MODE_WAKEUP, REGISTER_TIMEOUT);
 884
 885                 rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg);
 886                 rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN, 0);
 887                 rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP, 0);
 888                 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 0);
 889                 rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 0);
 890                 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
 891         }
 892 }
 893
 894 static void rt73usb_config(struct rt2x00_dev *rt2x00dev,
 895                            struct rt2x00lib_conf *libconf,
 896                            const unsigned int flags)
 897 {
 898         /* Always recalculate LNA gain before changing configuration */
 899         rt73usb_config_lna_gain(rt2x00dev, libconf);
 900
 901         if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
 902                 rt73usb_config_channel(rt2x00dev, &libconf->rf,
 903                                        libconf->conf->power_level);
 904         if ((flags & IEEE80211_CONF_CHANGE_POWER) &&
 905             !(flags & IEEE80211_CONF_CHANGE_CHANNEL))
 906                 rt73usb_config_txpower(rt2x00dev, libconf->conf->power_level);
 907         if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
 908                 rt73usb_config_retry_limit(rt2x00dev, libconf);
 909         if (flags & IEEE80211_CONF_CHANGE_BEACON_INTERVAL)
 910                 rt73usb_config_duration(rt2x00dev, libconf);
 911         if (flags & IEEE80211_CONF_CHANGE_PS)
 912                 rt73usb_config_ps(rt2x00dev, libconf);
 913 }
 914
 915 /*
 916  * Link tuning
 917  */
 918 static void rt73usb_link_stats(struct rt2x00_dev *rt2x00dev,
 919                                struct link_qual *qual)
 920 {
 921         u32 reg;
 922
 923         /*
 924          * Update FCS error count from register.
 925          */
 926         rt2x00usb_register_read(rt2x00dev, STA_CSR0, &reg);
 927         qual->rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR);
 928
 929         /*
 930          * Update False CCA count from register.
 931          */
 932         rt2x00usb_register_read(rt2x00dev, STA_CSR1, &reg);
 933         qual->false_cca = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
 934 }
 935
 936 static inline void rt73usb_set_vgc(struct rt2x00_dev *rt2x00dev,
 937                                    struct link_qual *qual, u8 vgc_level)
 938 {
 939         if (qual->vgc_level != vgc_level) {
 940                 rt73usb_bbp_write(rt2x00dev, 17, vgc_level);
 941                 qual->vgc_level = vgc_level;
 942                 qual->vgc_level_reg = vgc_level;
 943         }
 944 }
 945
 946 static void rt73usb_reset_tuner(struct rt2x00_dev *rt2x00dev,
 947                                 struct link_qual *qual)
 948 {
 949         rt73usb_set_vgc(rt2x00dev, qual, 0x20);
 950 }
 951
 952 static void rt73usb_link_tuner(struct rt2x00_dev *rt2x00dev,
 953                                struct link_qual *qual, const u32 count)
 954 {
 955         u8 up_bound;
 956         u8 low_bound;
 957
 958         /*
 959          * Determine r17 bounds.
 960          */
 961         if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) {
 962                 low_bound = 0x28;
 963                 up_bound = 0x48;
 964
 965                 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
 966                         low_bound += 0x10;
 967                         up_bound += 0x10;
 968                 }
 969         } else {
 970                 if (qual->rssi > -82) {
 971                         low_bound = 0x1c;
 972                         up_bound = 0x40;
 973                 } else if (qual->rssi > -84) {
 974                         low_bound = 0x1c;
 975                         up_bound = 0x20;
 976                 } else {
 977                         low_bound = 0x1c;
 978                         up_bound = 0x1c;
 979                 }
 980
 981                 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
 982                         low_bound += 0x14;
 983                         up_bound += 0x10;
 984                 }
 985         }
 986
 987         /*
 988          * If we are not associated, we should go straight to the
 989          * dynamic CCA tuning.
 990          */
 991         if (!rt2x00dev->intf_associated)
 992                 goto dynamic_cca_tune;
 993
 994         /*
 995          * Special big-R17 for very short distance
 996          */
 997         if (qual->rssi > -35) {
 998                 rt73usb_set_vgc(rt2x00dev, qual, 0x60);
 999                 return;
1000         }
1001
1002         /*
1003          * Special big-R17 for short distance
1004          */
1005         if (qual->rssi >= -58) {
1006                 rt73usb_set_vgc(rt2x00dev, qual, up_bound);
1007                 return;
1008         }
1009
1010         /*
1011          * Special big-R17 for middle-short distance
1012          */
1013         if (qual->rssi >= -66) {
1014                 rt73usb_set_vgc(rt2x00dev, qual, low_bound + 0x10);
1015                 return;
1016         }
1017
1018         /*
1019          * Special mid-R17 for middle distance
1020          */
1021         if (qual->rssi >= -74) {
1022                 rt73usb_set_vgc(rt2x00dev, qual, low_bound + 0x08);
1023                 return;
1024         }
1025
1026         /*
1027          * Special case: Change up_bound based on the rssi.
1028          * Lower up_bound when rssi is weaker then -74 dBm.
1029          */
1030         up_bound -= 2 * (-74 - qual->rssi);
1031         if (low_bound > up_bound)
1032                 up_bound = low_bound;
1033
1034         if (qual->vgc_level > up_bound) {
1035                 rt73usb_set_vgc(rt2x00dev, qual, up_bound);
1036                 return;
1037         }
1038
1039 dynamic_cca_tune:
1040
1041         /*
1042          * r17 does not yet exceed upper limit, continue and base
1043          * the r17 tuning on the false CCA count.
1044          */
1045         if ((qual->false_cca > 512) && (qual->vgc_level < up_bound))
1046                 rt73usb_set_vgc(rt2x00dev, qual,
1047                                 min_t(u8, qual->vgc_level + 4, up_bound));
1048         else if ((qual->false_cca < 100) && (qual->vgc_level > low_bound))
1049                 rt73usb_set_vgc(rt2x00dev, qual,
1050                                 max_t(u8, qual->vgc_level - 4, low_bound));
1051 }
1052
1053 /*
1054  * Firmware functions
1055  */
1056 static char *rt73usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
1057 {
1058         return FIRMWARE_RT2571;
1059 }
1060
1061 static int rt73usb_check_firmware(struct rt2x00_dev *rt2x00dev,
1062                                   const u8 *data, const size_t len)
1063 {
1064         u16 fw_crc;
1065         u16 crc;
1066
1067         /*
1068          * Only support 2kb firmware files.
1069          */
1070         if (len != 2048)
1071                 return FW_BAD_LENGTH;
1072
1073         /*
1074          * The last 2 bytes in the firmware array are the crc checksum itself,
1075          * this means that we should never pass those 2 bytes to the crc
1076          * algorithm.
1077          */
1078         fw_crc = (data[len - 2] << 8 | data[len - 1]);
1079
1080         /*
1081          * Use the crc itu-t algorithm.
1082          */
1083         crc = crc_itu_t(0, data, len - 2);
1084         crc = crc_itu_t_byte(crc, 0);
1085         crc = crc_itu_t_byte(crc, 0);
1086
1087         return (fw_crc == crc) ? FW_OK : FW_BAD_CRC;
1088 }
1089
1090 static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev,
1091                                  const u8 *data, const size_t len)
1092 {
1093         unsigned int i;
1094         int status;
1095         u32 reg;
1096
1097         /*
1098          * Wait for stable hardware.
1099          */
1100         for (i = 0; i < 100; i++) {
1101                 rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1102                 if (reg)
1103                         break;
1104                 msleep(1);
1105         }
1106
1107         if (!reg) {
1108                 ERROR(rt2x00dev, "Unstable hardware.\n");
1109                 return -EBUSY;
1110         }
1111
1112         /*
1113          * Write firmware to device.
1114          */
1115         rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
1116                                             USB_VENDOR_REQUEST_OUT,
1117                                             FIRMWARE_IMAGE_BASE,
1118                                             data, len,
1119                                             REGISTER_TIMEOUT32(len));
1120
1121         /*
1122          * Send firmware request to device to load firmware,
1123          * we need to specify a long timeout time.
1124          */
1125         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
1126                                              0, USB_MODE_FIRMWARE,
1127                                              REGISTER_TIMEOUT_FIRMWARE);
1128         if (status < 0) {
1129                 ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
1130                 return status;
1131         }
1132
1133         return 0;
1134 }
1135
1136 /*
1137  * Initialization functions.
1138  */
1139 static int rt73usb_init_registers(struct rt2x00_dev *rt2x00dev)
1140 {
1141         u32 reg;
1142
1143         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1144         rt2x00_set_field32(&reg, TXRX_CSR0_AUTO_TX_SEQ, 1);
1145         rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX, 0);
1146         rt2x00_set_field32(&reg, TXRX_CSR0_TX_WITHOUT_WAITING, 0);
1147         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1148
1149         rt2x00usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
1150         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0, 47); /* CCK Signal */
1151         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID0_VALID, 1);
1152         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1, 30); /* Rssi */
1153         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID1_VALID, 1);
1154         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2, 42); /* OFDM Rate */
1155         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID2_VALID, 1);
1156         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3, 30); /* Rssi */
1157         rt2x00_set_field32(&reg, TXRX_CSR1_BBP_ID3_VALID, 1);
1158         rt2x00usb_register_write(rt2x00dev, TXRX_CSR1, reg);
1159
1160         /*
1161          * CCK TXD BBP registers
1162          */
1163         rt2x00usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
1164         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0, 13);
1165         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID0_VALID, 1);
1166         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1, 12);
1167         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID1_VALID, 1);
1168         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2, 11);
1169         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID2_VALID, 1);
1170         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3, 10);
1171         rt2x00_set_field32(&reg, TXRX_CSR2_BBP_ID3_VALID, 1);
1172         rt2x00usb_register_write(rt2x00dev, TXRX_CSR2, reg);
1173
1174         /*
1175          * OFDM TXD BBP registers
1176          */
1177         rt2x00usb_register_read(rt2x00dev, TXRX_CSR3, &reg);
1178         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0, 7);
1179         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID0_VALID, 1);
1180         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1, 6);
1181         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID1_VALID, 1);
1182         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2, 5);
1183         rt2x00_set_field32(&reg, TXRX_CSR3_BBP_ID2_VALID, 1);
1184         rt2x00usb_register_write(rt2x00dev, TXRX_CSR3, reg);
1185
1186         rt2x00usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
1187         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_6MBS, 59);
1188         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_9MBS, 53);
1189         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_12MBS, 49);
1190         rt2x00_set_field32(&reg, TXRX_CSR7_ACK_CTS_18MBS, 46);
1191         rt2x00usb_register_write(rt2x00dev, TXRX_CSR7, reg);
1192
1193         rt2x00usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
1194         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_24MBS, 44);
1195         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_36MBS, 42);
1196         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_48MBS, 42);
1197         rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_54MBS, 42);
1198         rt2x00usb_register_write(rt2x00dev, TXRX_CSR8, reg);
1199
1200         rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1201         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL, 0);
1202         rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
1203         rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, 0);
1204         rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
1205         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
1206         rt2x00_set_field32(&reg, TXRX_CSR9_TIMESTAMP_COMPENSATE, 0);
1207         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1208
1209         rt2x00usb_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f);
1210
1211         rt2x00usb_register_read(rt2x00dev, MAC_CSR6, &reg);
1212         rt2x00_set_field32(&reg, MAC_CSR6_MAX_FRAME_UNIT, 0xfff);
1213         rt2x00usb_register_write(rt2x00dev, MAC_CSR6, reg);
1214
1215         rt2x00usb_register_write(rt2x00dev, MAC_CSR10, 0x00000718);
1216
1217         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
1218                 return -EBUSY;
1219
1220         rt2x00usb_register_write(rt2x00dev, MAC_CSR13, 0x00007f00);
1221
1222         /*
1223          * Invalidate all Shared Keys (SEC_CSR0),
1224          * and clear the Shared key Cipher algorithms (SEC_CSR1 & SEC_CSR5)
1225          */
1226         rt2x00usb_register_write(rt2x00dev, SEC_CSR0, 0x00000000);
1227         rt2x00usb_register_write(rt2x00dev, SEC_CSR1, 0x00000000);
1228         rt2x00usb_register_write(rt2x00dev, SEC_CSR5, 0x00000000);
1229
1230         reg = 0x000023b0;
1231         if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
1232             rt2x00_rf(&rt2x00dev->chip, RF2527))
1233                 rt2x00_set_field32(&reg, PHY_CSR1_RF_RPI, 1);
1234         rt2x00usb_register_write(rt2x00dev, PHY_CSR1, reg);
1235
1236         rt2x00usb_register_write(rt2x00dev, PHY_CSR5, 0x00040a06);
1237         rt2x00usb_register_write(rt2x00dev, PHY_CSR6, 0x00080606);
1238         rt2x00usb_register_write(rt2x00dev, PHY_CSR7, 0x00000408);
1239
1240         rt2x00usb_register_read(rt2x00dev, MAC_CSR9, &reg);
1241         rt2x00_set_field32(&reg, MAC_CSR9_CW_SELECT, 0);
1242         rt2x00usb_register_write(rt2x00dev, MAC_CSR9, reg);
1243
1244         /*
1245          * Clear all beacons
1246          * For the Beacon base registers we only need to clear
1247          * the first byte since that byte contains the VALID and OWNER
1248          * bits which (when set to 0) will invalidate the entire beacon.
1249          */
1250         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
1251         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
1252         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
1253         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
1254
1255         /*
1256          * We must clear the error counters.
1257          * These registers are cleared on read,
1258          * so we may pass a useless variable to store the value.
1259          */
1260         rt2x00usb_register_read(rt2x00dev, STA_CSR0, &reg);
1261         rt2x00usb_register_read(rt2x00dev, STA_CSR1, &reg);
1262         rt2x00usb_register_read(rt2x00dev, STA_CSR2, &reg);
1263
1264         /*
1265          * Reset MAC and BBP registers.
1266          */
1267         rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1268         rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 1);
1269         rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 1);
1270         rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
1271
1272         rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1273         rt2x00_set_field32(&reg, MAC_CSR1_SOFT_RESET, 0);
1274         rt2x00_set_field32(&reg, MAC_CSR1_BBP_RESET, 0);
1275         rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
1276
1277         rt2x00usb_register_read(rt2x00dev, MAC_CSR1, &reg);
1278         rt2x00_set_field32(&reg, MAC_CSR1_HOST_READY, 1);
1279         rt2x00usb_register_write(rt2x00dev, MAC_CSR1, reg);
1280
1281         return 0;
1282 }
1283
1284 static int rt73usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
1285 {
1286         unsigned int i;
1287         u8 value;
1288
1289         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1290                 rt73usb_bbp_read(rt2x00dev, 0, &value);
1291                 if ((value != 0xff) && (value != 0x00))
1292                         return 0;
1293                 udelay(REGISTER_BUSY_DELAY);
1294         }
1295
1296         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
1297         return -EACCES;
1298 }
1299
1300 static int rt73usb_init_bbp(struct rt2x00_dev *rt2x00dev)
1301 {
1302         unsigned int i;
1303         u16 eeprom;
1304         u8 reg_id;
1305         u8 value;
1306
1307         if (unlikely(rt73usb_wait_bbp_ready(rt2x00dev)))
1308                 return -EACCES;
1309
1310         rt73usb_bbp_write(rt2x00dev, 3, 0x80);
1311         rt73usb_bbp_write(rt2x00dev, 15, 0x30);
1312         rt73usb_bbp_write(rt2x00dev, 21, 0xc8);
1313         rt73usb_bbp_write(rt2x00dev, 22, 0x38);
1314         rt73usb_bbp_write(rt2x00dev, 23, 0x06);
1315         rt73usb_bbp_write(rt2x00dev, 24, 0xfe);
1316         rt73usb_bbp_write(rt2x00dev, 25, 0x0a);
1317         rt73usb_bbp_write(rt2x00dev, 26, 0x0d);
1318         rt73usb_bbp_write(rt2x00dev, 32, 0x0b);
1319         rt73usb_bbp_write(rt2x00dev, 34, 0x12);
1320         rt73usb_bbp_write(rt2x00dev, 37, 0x07);
1321         rt73usb_bbp_write(rt2x00dev, 39, 0xf8);
1322         rt73usb_bbp_write(rt2x00dev, 41, 0x60);
1323         rt73usb_bbp_write(rt2x00dev, 53, 0x10);
1324         rt73usb_bbp_write(rt2x00dev, 54, 0x18);
1325         rt73usb_bbp_write(rt2x00dev, 60, 0x10);
1326         rt73usb_bbp_write(rt2x00dev, 61, 0x04);
1327         rt73usb_bbp_write(rt2x00dev, 62, 0x04);
1328         rt73usb_bbp_write(rt2x00dev, 75, 0xfe);
1329         rt73usb_bbp_write(rt2x00dev, 86, 0xfe);
1330         rt73usb_bbp_write(rt2x00dev, 88, 0xfe);
1331         rt73usb_bbp_write(rt2x00dev, 90, 0x0f);
1332         rt73usb_bbp_write(rt2x00dev, 99, 0x00);
1333         rt73usb_bbp_write(rt2x00dev, 102, 0x16);
1334         rt73usb_bbp_write(rt2x00dev, 107, 0x04);
1335
1336         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1337                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1338
1339                 if (eeprom != 0xffff && eeprom != 0x0000) {
1340                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1341                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
1342                         rt73usb_bbp_write(rt2x00dev, reg_id, value);
1343                 }
1344         }
1345
1346         return 0;
1347 }
1348
1349 /*
1350  * Device state switch handlers.
1351  */
1352 static void rt73usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
1353                               enum dev_state state)
1354 {
1355         u32 reg;
1356
1357         rt2x00usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
1358         rt2x00_set_field32(&reg, TXRX_CSR0_DISABLE_RX,
1359                            (state == STATE_RADIO_RX_OFF) ||
1360                            (state == STATE_RADIO_RX_OFF_LINK));
1361         rt2x00usb_register_write(rt2x00dev, TXRX_CSR0, reg);
1362 }
1363
1364 static int rt73usb_enable_radio(struct rt2x00_dev *rt2x00dev)
1365 {
1366         /*
1367          * Initialize all registers.
1368          */
1369         if (unlikely(rt73usb_init_registers(rt2x00dev) ||
1370                      rt73usb_init_bbp(rt2x00dev)))
1371                 return -EIO;
1372
1373         return 0;
1374 }
1375
1376 static void rt73usb_disable_radio(struct rt2x00_dev *rt2x00dev)
1377 {
1378         rt2x00usb_register_write(rt2x00dev, MAC_CSR10, 0x00001818);
1379
1380         /*
1381          * Disable synchronisation.
1382          */
1383         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, 0);
1384
1385         rt2x00usb_disable_radio(rt2x00dev);
1386 }
1387
1388 static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state)
1389 {
1390         u32 reg;
1391         unsigned int i;
1392         char put_to_sleep;
1393
1394         put_to_sleep = (state != STATE_AWAKE);
1395
1396         rt2x00usb_register_read(rt2x00dev, MAC_CSR12, &reg);
1397         rt2x00_set_field32(&reg, MAC_CSR12_FORCE_WAKEUP, !put_to_sleep);
1398         rt2x00_set_field32(&reg, MAC_CSR12_PUT_TO_SLEEP, put_to_sleep);
1399         rt2x00usb_register_write(rt2x00dev, MAC_CSR12, reg);
1400
1401         /*
1402          * Device is not guaranteed to be in the requested state yet.
1403          * We must wait until the register indicates that the
1404          * device has entered the correct state.
1405          */
1406         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1407                 rt2x00usb_register_read(rt2x00dev, MAC_CSR12, &reg);
1408                 state = rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE);
1409                 if (state == !put_to_sleep)
1410                         return 0;
1411                 msleep(10);
1412         }
1413
1414         return -EBUSY;
1415 }
1416
1417 static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev,
1418                                     enum dev_state state)
1419 {
1420         int retval = 0;
1421
1422         switch (state) {
1423         case STATE_RADIO_ON:
1424                 retval = rt73usb_enable_radio(rt2x00dev);
1425                 break;
1426         case STATE_RADIO_OFF:
1427                 rt73usb_disable_radio(rt2x00dev);
1428                 break;
1429         case STATE_RADIO_RX_ON:
1430         case STATE_RADIO_RX_ON_LINK:
1431         case STATE_RADIO_RX_OFF:
1432         case STATE_RADIO_RX_OFF_LINK:
1433                 rt73usb_toggle_rx(rt2x00dev, state);
1434                 break;
1435         case STATE_RADIO_IRQ_ON:
1436         case STATE_RADIO_IRQ_OFF:
1437                 /* No support, but no error either */
1438                 break;
1439         case STATE_DEEP_SLEEP:
1440         case STATE_SLEEP:
1441         case STATE_STANDBY:
1442         case STATE_AWAKE:
1443                 retval = rt73usb_set_state(rt2x00dev, state);
1444                 break;
1445         default:
1446                 retval = -ENOTSUPP;
1447                 break;
1448         }
1449
1450         if (unlikely(retval))
1451                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
1452                       state, retval);
1453
1454         return retval;
1455 }
1456
1457 /*
1458  * TX descriptor initialization
1459  */
1460 static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1461                                   struct sk_buff *skb,
1462                                   struct txentry_desc *txdesc)
1463 {
1464         struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
1465         __le32 *txd = skbdesc->desc;
1466         u32 word;
1467
1468         /*
1469          * Start writing the descriptor words.
1470          */
1471         rt2x00_desc_read(txd, 1, &word);
1472         rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->queue);
1473         rt2x00_set_field32(&word, TXD_W1_AIFSN, txdesc->aifs);
1474         rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
1475         rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
1476         rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset);
1477         rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE,
1478                            test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
1479         rt2x00_desc_write(txd, 1, word);
1480
1481         rt2x00_desc_read(txd, 2, &word);
1482         rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal);
1483         rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service);
1484         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low);
1485         rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
1486         rt2x00_desc_write(txd, 2, word);
1487
1488         if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) {
1489                 _rt2x00_desc_write(txd, 3, skbdesc->iv[0]);
1490                 _rt2x00_desc_write(txd, 4, skbdesc->iv[1]);
1491         }
1492
1493         rt2x00_desc_read(txd, 5, &word);
1494         rt2x00_set_field32(&word, TXD_W5_TX_POWER,
1495                            TXPOWER_TO_DEV(rt2x00dev->tx_power));
1496         rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
1497         rt2x00_desc_write(txd, 5, word);
1498
1499         rt2x00_desc_read(txd, 0, &word);
1500         rt2x00_set_field32(&word, TXD_W0_BURST,
1501                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
1502         rt2x00_set_field32(&word, TXD_W0_VALID, 1);
1503         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1504                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1505         rt2x00_set_field32(&word, TXD_W0_ACK,
1506                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1507         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1508                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1509         rt2x00_set_field32(&word, TXD_W0_OFDM,
1510                            (txdesc->rate_mode == RATE_MODE_OFDM));
1511         rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1512         rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
1513                            test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
1514         rt2x00_set_field32(&word, TXD_W0_TKIP_MIC,
1515                            test_bit(ENTRY_TXD_ENCRYPT_MMIC, &txdesc->flags));
1516         rt2x00_set_field32(&word, TXD_W0_KEY_TABLE,
1517                            test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags));
1518         rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx);
1519         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len);
1520         rt2x00_set_field32(&word, TXD_W0_BURST2,
1521                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
1522         rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher);
1523         rt2x00_desc_write(txd, 0, word);
1524 }
1525
1526 /*
1527  * TX data initialization
1528  */
1529 static void rt73usb_write_beacon(struct queue_entry *entry)
1530 {
1531         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1532         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1533         unsigned int beacon_base;
1534         u32 reg;
1535
1536         /*
1537          * Add the descriptor in front of the skb.
1538          */
1539         skb_push(entry->skb, entry->queue->desc_size);
1540         memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len);
1541         skbdesc->desc = entry->skb->data;
1542
1543         /*
1544          * Disable beaconing while we are reloading the beacon data,
1545          * otherwise we might be sending out invalid data.
1546          */
1547         rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1548         rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
1549         rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
1550         rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
1551         rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1552
1553         /*
1554          * Write entire beacon with descriptor to register.
1555          */
1556         beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
1557         rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
1558                                             USB_VENDOR_REQUEST_OUT, beacon_base,
1559                                             entry->skb->data, entry->skb->len,
1560                                             REGISTER_TIMEOUT32(entry->skb->len));
1561
1562         /*
1563          * Clean up the beacon skb.
1564          */
1565         dev_kfree_skb(entry->skb);
1566         entry->skb = NULL;
1567 }
1568
1569 static int rt73usb_get_tx_data_len(struct queue_entry *entry)
1570 {
1571         int length;
1572
1573         /*
1574          * The length _must_ be a multiple of 4,
1575          * but it must _not_ be a multiple of the USB packet size.
1576          */
1577         length = roundup(entry->skb->len, 4);
1578         length += (4 * !(length % entry->queue->usb_maxpacket));
1579
1580         return length;
1581 }
1582
1583 static void rt73usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1584                                   const enum data_queue_qid queue)
1585 {
1586         u32 reg;
1587
1588         if (queue != QID_BEACON) {
1589                 rt2x00usb_kick_tx_queue(rt2x00dev, queue);
1590                 return;
1591         }
1592
1593         /*
1594          * For Wi-Fi faily generated beacons between participating stations.
1595          * Set TBTT phase adaptive adjustment step to 8us (default 16us)
1596          */
1597         rt2x00usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008);
1598
1599         rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1600         if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) {
1601                 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
1602                 rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
1603                 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
1604                 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1605         }
1606 }
1607
1608 /*
1609  * RX control handlers
1610  */
1611 static int rt73usb_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
1612 {
1613         u8 offset = rt2x00dev->lna_gain;
1614         u8 lna;
1615
1616         lna = rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_LNA);
1617         switch (lna) {
1618         case 3:
1619                 offset += 90;
1620                 break;
1621         case 2:
1622                 offset += 74;
1623                 break;
1624         case 1:
1625                 offset += 64;
1626                 break;
1627         default:
1628                 return 0;
1629         }
1630
1631         if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) {
1632                 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
1633                         if (lna == 3 || lna == 2)
1634                                 offset += 10;
1635                 } else {
1636                         if (lna == 3)
1637                                 offset += 6;
1638                         else if (lna == 2)
1639                                 offset += 8;
1640                 }
1641         }
1642
1643         return rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_AGC) * 2 - offset;
1644 }
1645
1646 static void rt73usb_fill_rxdone(struct queue_entry *entry,
1647                                 struct rxdone_entry_desc *rxdesc)
1648 {
1649         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1650         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1651         __le32 *rxd = (__le32 *)entry->skb->data;
1652         u32 word0;
1653         u32 word1;
1654
1655         /*
1656          * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of
1657          * frame data in rt2x00usb.
1658          */
1659         memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
1660         rxd = (__le32 *)skbdesc->desc;
1661
1662         /*
1663          * It is now safe to read the descriptor on all architectures.
1664          */
1665         rt2x00_desc_read(rxd, 0, &word0);
1666         rt2x00_desc_read(rxd, 1, &word1);
1667
1668         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1669                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1670
1671         if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) {
1672                 rxdesc->cipher =
1673                     rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG);
1674                 rxdesc->cipher_status =
1675                     rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR);
1676         }
1677
1678         if (rxdesc->cipher != CIPHER_NONE) {
1679                 _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]);
1680                 _rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]);
1681                 rxdesc->dev_flags |= RXDONE_CRYPTO_IV;
1682
1683                 _rt2x00_desc_read(rxd, 4, &rxdesc->icv);
1684                 rxdesc->dev_flags |= RXDONE_CRYPTO_ICV;
1685
1686                 /*
1687                  * Hardware has stripped IV/EIV data from 802.11 frame during
1688                  * decryption. It has provided the data seperately but rt2x00lib
1689                  * should decide if it should be reinserted.
1690                  */
1691                 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
1692
1693                 /*
1694                  * FIXME: Legacy driver indicates that the frame does
1695                  * contain the Michael Mic. Unfortunately, in rt2x00
1696                  * the MIC seems to be missing completely...
1697                  */
1698                 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
1699
1700                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
1701                         rxdesc->flags |= RX_FLAG_DECRYPTED;
1702                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
1703                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
1704         }
1705
1706         /*
1707          * Obtain the status about this packet.
1708          * When frame was received with an OFDM bitrate,
1709          * the signal is the PLCP value. If it was received with
1710          * a CCK bitrate the signal is the rate in 100kbit/s.
1711          */
1712         rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
1713         rxdesc->rssi = rt73usb_agc_to_rssi(rt2x00dev, word1);
1714         rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1715
1716         if (rt2x00_get_field32(word0, RXD_W0_OFDM))
1717                 rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
1718         else
1719                 rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE;
1720         if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
1721                 rxdesc->dev_flags |= RXDONE_MY_BSS;
1722
1723         /*
1724          * Set skb pointers, and update frame information.
1725          */
1726         skb_pull(entry->skb, entry->queue->desc_size);
1727         skb_trim(entry->skb, rxdesc->size);
1728 }
1729
1730 /*
1731  * Device probe functions.
1732  */
1733 static int rt73usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1734 {
1735         u16 word;
1736         u8 *mac;
1737         s8 value;
1738
1739         rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
1740
1741         /*
1742          * Start validation of the data that has been read.
1743          */
1744         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1745         if (!is_valid_ether_addr(mac)) {
1746                 random_ether_addr(mac);
1747                 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
1748         }
1749
1750         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1751         if (word == 0xffff) {
1752                 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1753                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1754                                    ANTENNA_B);
1755                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1756                                    ANTENNA_B);
1757                 rt2x00_set_field16(&word, EEPROM_ANTENNA_FRAME_TYPE, 0);
1758                 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1759                 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1760                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF5226);
1761                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1762                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1763         }
1764
1765         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1766         if (word == 0xffff) {
1767                 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA, 0);
1768                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1769                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1770         }
1771
1772         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &word);
1773         if (word == 0xffff) {
1774                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_G, 0);
1775                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_RDY_A, 0);
1776                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_ACT, 0);
1777                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_0, 0);
1778                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_1, 0);
1779                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_2, 0);
1780                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_3, 0);
1781                 rt2x00_set_field16(&word, EEPROM_LED_POLARITY_GPIO_4, 0);
1782                 rt2x00_set_field16(&word, EEPROM_LED_LED_MODE,
1783                                    LED_MODE_DEFAULT);
1784                 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED, word);
1785                 EEPROM(rt2x00dev, "Led: 0x%04x\n", word);
1786         }
1787
1788         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
1789         if (word == 0xffff) {
1790                 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
1791                 rt2x00_set_field16(&word, EEPROM_FREQ_SEQ, 0);
1792                 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
1793                 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
1794         }
1795
1796         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &word);
1797         if (word == 0xffff) {
1798                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1799                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1800                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1801                 EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word);
1802         } else {
1803                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_1);
1804                 if (value < -10 || value > 10)
1805                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0);
1806                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_2);
1807                 if (value < -10 || value > 10)
1808                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0);
1809                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word);
1810         }
1811
1812         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &word);
1813         if (word == 0xffff) {
1814                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1815                 rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1816                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
1817                 EEPROM(rt2x00dev, "RSSI OFFSET A: 0x%04x\n", word);
1818         } else {
1819                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_1);
1820                 if (value < -10 || value > 10)
1821                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
1822                 value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_2);
1823                 if (value < -10 || value > 10)
1824                         rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
1825                 rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
1826         }
1827
1828         return 0;
1829 }
1830
1831 static int rt73usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
1832 {
1833         u32 reg;
1834         u16 value;
1835         u16 eeprom;
1836
1837         /*
1838          * Read EEPROM word for configuration.
1839          */
1840         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1841
1842         /*
1843          * Identify RF chipset.
1844          */
1845         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1846         rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1847         rt2x00_set_chip(rt2x00dev, RT2571, value, reg);
1848
1849         if (!rt2x00_check_rev(&rt2x00dev->chip, 0x25730)) {
1850                 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
1851                 return -ENODEV;
1852         }
1853
1854         if (!rt2x00_rf(&rt2x00dev->chip, RF5226) &&
1855             !rt2x00_rf(&rt2x00dev->chip, RF2528) &&
1856             !rt2x00_rf(&rt2x00dev->chip, RF5225) &&
1857             !rt2x00_rf(&rt2x00dev->chip, RF2527)) {
1858                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1859                 return -ENODEV;
1860         }
1861
1862         /*
1863          * Identify default antenna configuration.
1864          */
1865         rt2x00dev->default_ant.tx =
1866             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1867         rt2x00dev->default_ant.rx =
1868             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1869
1870         /*
1871          * Read the Frame type.
1872          */
1873         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_FRAME_TYPE))
1874                 __set_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags);
1875
1876         /*
1877          * Detect if this device has an hardware controlled radio.
1878          */
1879 #ifdef CONFIG_RT2X00_LIB_RFKILL
1880         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
1881                 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
1882 #endif /* CONFIG_RT2X00_LIB_RFKILL */
1883
1884         /*
1885          * Read frequency offset.
1886          */
1887         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1888         rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
1889
1890         /*
1891          * Read external LNA informations.
1892          */
1893         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1894
1895         if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA)) {
1896                 __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
1897                 __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
1898         }
1899
1900         /*
1901          * Store led settings, for correct led behaviour.
1902          */
1903 #ifdef CONFIG_RT2X00_LIB_LEDS
1904         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom);
1905
1906         rt73usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
1907         rt73usb_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
1908         if (value == LED_MODE_SIGNAL_STRENGTH)
1909                 rt73usb_init_led(rt2x00dev, &rt2x00dev->led_qual,
1910                                  LED_TYPE_QUALITY);
1911
1912         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_LED_MODE, value);
1913         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_0,
1914                            rt2x00_get_field16(eeprom,
1915                                               EEPROM_LED_POLARITY_GPIO_0));
1916         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_1,
1917                            rt2x00_get_field16(eeprom,
1918                                               EEPROM_LED_POLARITY_GPIO_1));
1919         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_2,
1920                            rt2x00_get_field16(eeprom,
1921                                               EEPROM_LED_POLARITY_GPIO_2));
1922         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_3,
1923                            rt2x00_get_field16(eeprom,
1924                                               EEPROM_LED_POLARITY_GPIO_3));
1925         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_4,
1926                            rt2x00_get_field16(eeprom,
1927                                               EEPROM_LED_POLARITY_GPIO_4));
1928         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_ACT,
1929                            rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_ACT));
1930         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_BG,
1931                            rt2x00_get_field16(eeprom,
1932                                               EEPROM_LED_POLARITY_RDY_G));
1933         rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_READY_A,
1934                            rt2x00_get_field16(eeprom,
1935                                               EEPROM_LED_POLARITY_RDY_A));
1936 #endif /* CONFIG_RT2X00_LIB_LEDS */
1937
1938         return 0;
1939 }
1940
1941 /*
1942  * RF value list for RF2528
1943  * Supports: 2.4 GHz
1944  */
1945 static const struct rf_channel rf_vals_bg_2528[] = {
1946         { 1,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b },
1947         { 2,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f },
1948         { 3,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b },
1949         { 4,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f },
1950         { 5,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b },
1951         { 6,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f },
1952         { 7,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b },
1953         { 8,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f },
1954         { 9,  0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b },
1955         { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f },
1956         { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b },
1957         { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f },
1958         { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b },
1959         { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 },
1960 };
1961
1962 /*
1963  * RF value list for RF5226
1964  * Supports: 2.4 GHz & 5.2 GHz
1965  */
1966 static const struct rf_channel rf_vals_5226[] = {
1967         { 1,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea0b },
1968         { 2,  0x00002c0c, 0x00000786, 0x00068255, 0x000fea1f },
1969         { 3,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea0b },
1970         { 4,  0x00002c0c, 0x0000078a, 0x00068255, 0x000fea1f },
1971         { 5,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea0b },
1972         { 6,  0x00002c0c, 0x0000078e, 0x00068255, 0x000fea1f },
1973         { 7,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea0b },
1974         { 8,  0x00002c0c, 0x00000792, 0x00068255, 0x000fea1f },
1975         { 9,  0x00002c0c, 0x00000796, 0x00068255, 0x000fea0b },
1976         { 10, 0x00002c0c, 0x00000796, 0x00068255, 0x000fea1f },
1977         { 11, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea0b },
1978         { 12, 0x00002c0c, 0x0000079a, 0x00068255, 0x000fea1f },
1979         { 13, 0x00002c0c, 0x0000079e, 0x00068255, 0x000fea0b },
1980         { 14, 0x00002c0c, 0x000007a2, 0x00068255, 0x000fea13 },
1981
1982         /* 802.11 UNI / HyperLan 2 */
1983         { 36, 0x00002c0c, 0x0000099a, 0x00098255, 0x000fea23 },
1984         { 40, 0x00002c0c, 0x000009a2, 0x00098255, 0x000fea03 },
1985         { 44, 0x00002c0c, 0x000009a6, 0x00098255, 0x000fea0b },
1986         { 48, 0x00002c0c, 0x000009aa, 0x00098255, 0x000fea13 },
1987         { 52, 0x00002c0c, 0x000009ae, 0x00098255, 0x000fea1b },
1988         { 56, 0x00002c0c, 0x000009b2, 0x00098255, 0x000fea23 },
1989         { 60, 0x00002c0c, 0x000009ba, 0x00098255, 0x000fea03 },
1990         { 64, 0x00002c0c, 0x000009be, 0x00098255, 0x000fea0b },
1991
1992         /* 802.11 HyperLan 2 */
1993         { 100, 0x00002c0c, 0x00000a2a, 0x000b8255, 0x000fea03 },
1994         { 104, 0x00002c0c, 0x00000a2e, 0x000b8255, 0x000fea0b },
1995         { 108, 0x00002c0c, 0x00000a32, 0x000b8255, 0x000fea13 },
1996         { 112, 0x00002c0c, 0x00000a36, 0x000b8255, 0x000fea1b },
1997         { 116, 0x00002c0c, 0x00000a3a, 0x000b8255, 0x000fea23 },
1998         { 120, 0x00002c0c, 0x00000a82, 0x000b8255, 0x000fea03 },
1999         { 124, 0x00002c0c, 0x00000a86, 0x000b8255, 0x000fea0b },
2000         { 128, 0x00002c0c, 0x00000a8a, 0x000b8255, 0x000fea13 },
2001         { 132, 0x00002c0c, 0x00000a8e, 0x000b8255, 0x000fea1b },
2002         { 136, 0x00002c0c, 0x00000a92, 0x000b8255, 0x000fea23 },
2003
2004         /* 802.11 UNII */
2005         { 140, 0x00002c0c, 0x00000a9a, 0x000b8255, 0x000fea03 },
2006         { 149, 0x00002c0c, 0x00000aa2, 0x000b8255, 0x000fea1f },
2007         { 153, 0x00002c0c, 0x00000aa6, 0x000b8255, 0x000fea27 },
2008         { 157, 0x00002c0c, 0x00000aae, 0x000b8255, 0x000fea07 },
2009         { 161, 0x00002c0c, 0x00000ab2, 0x000b8255, 0x000fea0f },
2010         { 165, 0x00002c0c, 0x00000ab6, 0x000b8255, 0x000fea17 },
2011
2012         /* MMAC(Japan)J52 ch 34,38,42,46 */
2013         { 34, 0x00002c0c, 0x0008099a, 0x000da255, 0x000d3a0b },
2014         { 38, 0x00002c0c, 0x0008099e, 0x000da255, 0x000d3a13 },
2015         { 42, 0x00002c0c, 0x000809a2, 0x000da255, 0x000d3a1b },
2016         { 46, 0x00002c0c, 0x000809a6, 0x000da255, 0x000d3a23 },
2017 };
2018
2019 /*
2020  * RF value list for RF5225 & RF2527
2021  * Supports: 2.4 GHz & 5.2 GHz
2022  */
2023 static const struct rf_channel rf_vals_5225_2527[] = {
2024         { 1,  0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b },
2025         { 2,  0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f },
2026         { 3,  0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b },
2027         { 4,  0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f },
2028         { 5,  0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b },
2029         { 6,  0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f },
2030         { 7,  0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b },
2031         { 8,  0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f },
2032         { 9,  0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b },
2033         { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f },
2034         { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b },
2035         { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f },
2036         { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b },
2037         { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 },
2038
2039         /* 802.11 UNI / HyperLan 2 */
2040         { 36, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa23 },
2041         { 40, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa03 },
2042         { 44, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa0b },
2043         { 48, 0x00002ccc, 0x000049aa, 0x0009be55, 0x000ffa13 },
2044         { 52, 0x00002ccc, 0x000049ae, 0x0009ae55, 0x000ffa1b },
2045         { 56, 0x00002ccc, 0x000049b2, 0x0009ae55, 0x000ffa23 },
2046         { 60, 0x00002ccc, 0x000049ba, 0x0009ae55, 0x000ffa03 },
2047         { 64, 0x00002ccc, 0x000049be, 0x0009ae55, 0x000ffa0b },
2048
2049         /* 802.11 HyperLan 2 */
2050         { 100, 0x00002ccc, 0x00004a2a, 0x000bae55, 0x000ffa03 },
2051         { 104, 0x00002ccc, 0x00004a2e, 0x000bae55, 0x000ffa0b },
2052         { 108, 0x00002ccc, 0x00004a32, 0x000bae55, 0x000ffa13 },
2053         { 112, 0x00002ccc, 0x00004a36, 0x000bae55, 0x000ffa1b },
2054         { 116, 0x00002ccc, 0x00004a3a, 0x000bbe55, 0x000ffa23 },
2055         { 120, 0x00002ccc, 0x00004a82, 0x000bbe55, 0x000ffa03 },
2056         { 124, 0x00002ccc, 0x00004a86, 0x000bbe55, 0x000ffa0b },
2057         { 128, 0x00002ccc, 0x00004a8a, 0x000bbe55, 0x000ffa13 },
2058         { 132, 0x00002ccc, 0x00004a8e, 0x000bbe55, 0x000ffa1b },
2059         { 136, 0x00002ccc, 0x00004a92, 0x000bbe55, 0x000ffa23 },
2060
2061         /* 802.11 UNII */
2062         { 140, 0x00002ccc, 0x00004a9a, 0x000bbe55, 0x000ffa03 },
2063         { 149, 0x00002ccc, 0x00004aa2, 0x000bbe55, 0x000ffa1f },
2064         { 153, 0x00002ccc, 0x00004aa6, 0x000bbe55, 0x000ffa27 },
2065         { 157, 0x00002ccc, 0x00004aae, 0x000bbe55, 0x000ffa07 },
2066         { 161, 0x00002ccc, 0x00004ab2, 0x000bbe55, 0x000ffa0f },
2067         { 165, 0x00002ccc, 0x00004ab6, 0x000bbe55, 0x000ffa17 },
2068
2069         /* MMAC(Japan)J52 ch 34,38,42,46 */
2070         { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa0b },
2071         { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000ffa13 },
2072         { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa1b },
2073         { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa23 },
2074 };
2075
2076
2077 static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
2078 {
2079         struct hw_mode_spec *spec = &rt2x00dev->spec;
2080         struct channel_info *info;
2081         char *tx_power;
2082         unsigned int i;
2083
2084         /*
2085          * Initialize all hw fields.
2086          */
2087         rt2x00dev->hw->flags =
2088             IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
2089             IEEE80211_HW_SIGNAL_DBM |
2090             IEEE80211_HW_SUPPORTS_PS |
2091             IEEE80211_HW_PS_NULLFUNC_STACK;
2092         rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
2093
2094         SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
2095         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
2096                                 rt2x00_eeprom_addr(rt2x00dev,
2097                                                    EEPROM_MAC_ADDR_0));
2098
2099         /*
2100          * Initialize hw_mode information.
2101          */
2102         spec->supported_bands = SUPPORT_BAND_2GHZ;
2103         spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
2104
2105         if (rt2x00_rf(&rt2x00dev->chip, RF2528)) {
2106                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2528);
2107                 spec->channels = rf_vals_bg_2528;
2108         } else if (rt2x00_rf(&rt2x00dev->chip, RF5226)) {
2109                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
2110                 spec->num_channels = ARRAY_SIZE(rf_vals_5226);
2111                 spec->channels = rf_vals_5226;
2112         } else if (rt2x00_rf(&rt2x00dev->chip, RF2527)) {
2113                 spec->num_channels = 14;
2114                 spec->channels = rf_vals_5225_2527;
2115         } else if (rt2x00_rf(&rt2x00dev->chip, RF5225)) {
2116                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
2117                 spec->num_channels = ARRAY_SIZE(rf_vals_5225_2527);
2118                 spec->channels = rf_vals_5225_2527;
2119         }
2120
2121         /*
2122          * Create channel information array
2123          */
2124         info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
2125         if (!info)
2126                 return -ENOMEM;
2127
2128         spec->channels_info = info;
2129
2130         tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START);
2131         for (i = 0; i < 14; i++)
2132                 info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
2133
2134         if (spec->num_channels > 14) {
2135                 tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
2136                 for (i = 14; i < spec->num_channels; i++)
2137                         info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
2138         }
2139
2140         return 0;
2141 }
2142
2143 static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev)
2144 {
2145         int retval;
2146
2147         /*
2148          * Allocate eeprom data.
2149          */
2150         retval = rt73usb_validate_eeprom(rt2x00dev);
2151         if (retval)
2152                 return retval;
2153
2154         retval = rt73usb_init_eeprom(rt2x00dev);
2155         if (retval)
2156                 return retval;
2157
2158         /*
2159          * Initialize hw specifications.
2160          */
2161         retval = rt73usb_probe_hw_mode(rt2x00dev);
2162         if (retval)
2163                 return retval;
2164
2165         /*
2166          * This device requires firmware.
2167          */
2168         __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
2169         __set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags);
2170         if (!modparam_nohwcrypt)
2171                 __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
2172
2173         /*
2174          * Set the rssi offset.
2175          */
2176         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
2177
2178         return 0;
2179 }
2180
2181 /*
2182  * IEEE80211 stack callback functions.
2183  */
2184 static int rt73usb_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
2185                            const struct ieee80211_tx_queue_params *params)
2186 {
2187         struct rt2x00_dev *rt2x00dev = hw->priv;
2188         struct data_queue *queue;
2189         struct rt2x00_field32 field;
2190         int retval;
2191         u32 reg;
2192         u32 offset;
2193
2194         /*
2195          * First pass the configuration through rt2x00lib, that will
2196          * update the queue settings and validate the input. After that
2197          * we are free to update the registers based on the value
2198          * in the queue parameter.
2199          */
2200         retval = rt2x00mac_conf_tx(hw, queue_idx, params);
2201         if (retval)
2202                 return retval;
2203
2204         /*
2205          * We only need to perform additional register initialization
2206          * for WMM queues/
2207          */
2208         if (queue_idx >= 4)
2209                 return 0;
2210
2211         queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
2212
2213         /* Update WMM TXOP register */
2214         offset = AC_TXOP_CSR0 + (sizeof(u32) * (!!(queue_idx & 2)));
2215         field.bit_offset = (queue_idx & 1) * 16;
2216         field.bit_mask = 0xffff << field.bit_offset;
2217
2218         rt2x00usb_register_read(rt2x00dev, offset, &reg);
2219         rt2x00_set_field32(&reg, field, queue->txop);
2220         rt2x00usb_register_write(rt2x00dev, offset, reg);
2221
2222         /* Update WMM registers */
2223         field.bit_offset = queue_idx * 4;
2224         field.bit_mask = 0xf << field.bit_offset;
2225
2226         rt2x00usb_register_read(rt2x00dev, AIFSN_CSR, &reg);
2227         rt2x00_set_field32(&reg, field, queue->aifs);
2228         rt2x00usb_register_write(rt2x00dev, AIFSN_CSR, reg);
2229
2230         rt2x00usb_register_read(rt2x00dev, CWMIN_CSR, &reg);
2231         rt2x00_set_field32(&reg, field, queue->cw_min);
2232         rt2x00usb_register_write(rt2x00dev, CWMIN_CSR, reg);
2233
2234         rt2x00usb_register_read(rt2x00dev, CWMAX_CSR, &reg);
2235         rt2x00_set_field32(&reg, field, queue->cw_max);
2236         rt2x00usb_register_write(rt2x00dev, CWMAX_CSR, reg);
2237
2238         return 0;
2239 }
2240
2241 static u64 rt73usb_get_tsf(struct ieee80211_hw *hw)
2242 {
2243         struct rt2x00_dev *rt2x00dev = hw->priv;
2244         u64 tsf;
2245         u32 reg;
2246
2247         rt2x00usb_register_read(rt2x00dev, TXRX_CSR13, &reg);
2248         tsf = (u64) rt2x00_get_field32(reg, TXRX_CSR13_HIGH_TSFTIMER) << 32;
2249         rt2x00usb_register_read(rt2x00dev, TXRX_CSR12, &reg);
2250         tsf |= rt2x00_get_field32(reg, TXRX_CSR12_LOW_TSFTIMER);
2251
2252         return tsf;
2253 }
2254
2255 static const struct ieee80211_ops rt73usb_mac80211_ops = {
2256         .tx                     = rt2x00mac_tx,
2257         .start                  = rt2x00mac_start,
2258         .stop                   = rt2x00mac_stop,
2259         .add_interface          = rt2x00mac_add_interface,
2260         .remove_interface       = rt2x00mac_remove_interface,
2261         .config                 = rt2x00mac_config,
2262         .config_interface       = rt2x00mac_config_interface,
2263         .configure_filter       = rt2x00mac_configure_filter,
2264         .set_key                = rt2x00mac_set_key,
2265         .get_stats              = rt2x00mac_get_stats,
2266         .bss_info_changed       = rt2x00mac_bss_info_changed,
2267         .conf_tx                = rt73usb_conf_tx,
2268         .get_tx_stats           = rt2x00mac_get_tx_stats,
2269         .get_tsf                = rt73usb_get_tsf,
2270 };
2271
2272 static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
2273         .probe_hw               = rt73usb_probe_hw,
2274         .get_firmware_name      = rt73usb_get_firmware_name,
2275         .check_firmware         = rt73usb_check_firmware,
2276         .load_firmware          = rt73usb_load_firmware,
2277         .initialize             = rt2x00usb_initialize,
2278         .uninitialize           = rt2x00usb_uninitialize,
2279         .clear_entry            = rt2x00usb_clear_entry,
2280         .set_device_state       = rt73usb_set_device_state,
2281         .rfkill_poll            = rt73usb_rfkill_poll,
2282         .link_stats             = rt73usb_link_stats,
2283         .reset_tuner            = rt73usb_reset_tuner,
2284         .link_tuner             = rt73usb_link_tuner,
2285         .write_tx_desc          = rt73usb_write_tx_desc,
2286         .write_tx_data          = rt2x00usb_write_tx_data,
2287         .write_beacon           = rt73usb_write_beacon,
2288         .get_tx_data_len        = rt73usb_get_tx_data_len,
2289         .kick_tx_queue          = rt73usb_kick_tx_queue,
2290         .kill_tx_queue          = rt2x00usb_kill_tx_queue,
2291         .fill_rxdone            = rt73usb_fill_rxdone,
2292         .config_shared_key      = rt73usb_config_shared_key,
2293         .config_pairwise_key    = rt73usb_config_pairwise_key,
2294         .config_filter          = rt73usb_config_filter,
2295         .config_intf            = rt73usb_config_intf,
2296         .config_erp             = rt73usb_config_erp,
2297         .config_ant             = rt73usb_config_ant,
2298         .config                 = rt73usb_config,
2299 };
2300
2301 static const struct data_queue_desc rt73usb_queue_rx = {
2302         .entry_num              = RX_ENTRIES,
2303         .data_size              = DATA_FRAME_SIZE,
2304         .desc_size              = RXD_DESC_SIZE,
2305         .priv_size              = sizeof(struct queue_entry_priv_usb),
2306 };
2307
2308 static const struct data_queue_desc rt73usb_queue_tx = {
2309         .entry_num              = TX_ENTRIES,
2310         .data_size              = DATA_FRAME_SIZE,
2311         .desc_size              = TXD_DESC_SIZE,
2312         .priv_size              = sizeof(struct queue_entry_priv_usb),
2313 };
2314
2315 static const struct data_queue_desc rt73usb_queue_bcn = {
2316         .entry_num              = 4 * BEACON_ENTRIES,
2317         .data_size              = MGMT_FRAME_SIZE,
2318         .desc_size              = TXINFO_SIZE,
2319         .priv_size              = sizeof(struct queue_entry_priv_usb),
2320 };
2321
2322 static const struct rt2x00_ops rt73usb_ops = {
2323         .name           = KBUILD_MODNAME,
2324         .max_sta_intf   = 1,
2325         .max_ap_intf    = 4,
2326         .eeprom_size    = EEPROM_SIZE,
2327         .rf_size        = RF_SIZE,
2328         .tx_queues      = NUM_TX_QUEUES,
2329         .rx             = &rt73usb_queue_rx,
2330         .tx             = &rt73usb_queue_tx,
2331         .bcn            = &rt73usb_queue_bcn,
2332         .lib            = &rt73usb_rt2x00_ops,
2333         .hw             = &rt73usb_mac80211_ops,
2334 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
2335         .debugfs        = &rt73usb_rt2x00debug,
2336 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
2337 };
2338
2339 /*
2340  * rt73usb module information.
2341  */
2342 static struct usb_device_id rt73usb_device_table[] = {
2343         /* AboCom */
2344         { USB_DEVICE(0x07b8, 0xb21b), USB_DEVICE_DATA(&rt73usb_ops) },
2345         { USB_DEVICE(0x07b8, 0xb21c), USB_DEVICE_DATA(&rt73usb_ops) },
2346         { USB_DEVICE(0x07b8, 0xb21d), USB_DEVICE_DATA(&rt73usb_ops) },
2347         { USB_DEVICE(0x07b8, 0xb21e), USB_DEVICE_DATA(&rt73usb_ops) },
2348         { USB_DEVICE(0x07b8, 0xb21f), USB_DEVICE_DATA(&rt73usb_ops) },
2349         /* AL */
2350         { USB_DEVICE(0x14b2, 0x3c10), USB_DEVICE_DATA(&rt73usb_ops) },
2351         /* Amigo */
2352         { USB_DEVICE(0x148f, 0x9021), USB_DEVICE_DATA(&rt73usb_ops) },
2353         { USB_DEVICE(0x0eb0, 0x9021), USB_DEVICE_DATA(&rt73usb_ops) },
2354         /* AMIT  */
2355         { USB_DEVICE(0x18c5, 0x0002), USB_DEVICE_DATA(&rt73usb_ops) },
2356         /* Askey */
2357         { USB_DEVICE(0x1690, 0x0722), USB_DEVICE_DATA(&rt73usb_ops) },
2358         /* ASUS */
2359         { USB_DEVICE(0x0b05, 0x1723), USB_DEVICE_DATA(&rt73usb_ops) },
2360         { USB_DEVICE(0x0b05, 0x1724), USB_DEVICE_DATA(&rt73usb_ops) },
2361         /* Belkin */
2362         { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt73usb_ops) },
2363         { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt73usb_ops) },
2364         { USB_DEVICE(0x050d, 0x905b), USB_DEVICE_DATA(&rt73usb_ops) },
2365         { USB_DEVICE(0x050d, 0x905c), USB_DEVICE_DATA(&rt73usb_ops) },
2366         /* Billionton */
2367         { USB_DEVICE(0x1631, 0xc019), USB_DEVICE_DATA(&rt73usb_ops) },
2368         { USB_DEVICE(0x08dd, 0x0120), USB_DEVICE_DATA(&rt73usb_ops) },
2369         /* Buffalo */
2370         { USB_DEVICE(0x0411, 0x00d8), USB_DEVICE_DATA(&rt73usb_ops) },
2371         { USB_DEVICE(0x0411, 0x00f4), USB_DEVICE_DATA(&rt73usb_ops) },
2372         /* CNet */
2373         { USB_DEVICE(0x1371, 0x9022), USB_DEVICE_DATA(&rt73usb_ops) },
2374         { USB_DEVICE(0x1371, 0x9032), USB_DEVICE_DATA(&rt73usb_ops) },
2375         /* Conceptronic */
2376         { USB_DEVICE(0x14b2, 0x3c22), USB_DEVICE_DATA(&rt73usb_ops) },
2377         /* Corega */
2378         { USB_DEVICE(0x07aa, 0x002e), USB_DEVICE_DATA(&rt73usb_ops) },
2379         /* D-Link */
2380         { USB_DEVICE(0x07d1, 0x3c03), USB_DEVICE_DATA(&rt73usb_ops) },
2381         { USB_DEVICE(0x07d1, 0x3c04), USB_DEVICE_DATA(&rt73usb_ops) },
2382         { USB_DEVICE(0x07d1, 0x3c06), USB_DEVICE_DATA(&rt73usb_ops) },
2383         { USB_DEVICE(0x07d1, 0x3c07), USB_DEVICE_DATA(&rt73usb_ops) },
2384         /* Edimax */
2385         { USB_DEVICE(0x7392, 0x7318), USB_DEVICE_DATA(&rt73usb_ops) },
2386         { USB_DEVICE(0x7392, 0x7618), USB_DEVICE_DATA(&rt73usb_ops) },
2387         /* EnGenius */
2388         { USB_DEVICE(0x1740, 0x3701), USB_DEVICE_DATA(&rt73usb_ops) },
2389         /* Gemtek */
2390         { USB_DEVICE(0x15a9, 0x0004), USB_DEVICE_DATA(&rt73usb_ops) },
2391         /* Gigabyte */
2392         { USB_DEVICE(0x1044, 0x8008), USB_DEVICE_DATA(&rt73usb_ops) },
2393         { USB_DEVICE(0x1044, 0x800a), USB_DEVICE_DATA(&rt73usb_ops) },
2394         /* Huawei-3Com */
2395         { USB_DEVICE(0x1472, 0x0009), USB_DEVICE_DATA(&rt73usb_ops) },
2396         /* Hercules */
2397         { USB_DEVICE(0x06f8, 0xe010), USB_DEVICE_DATA(&rt73usb_ops) },
2398         { USB_DEVICE(0x06f8, 0xe020), USB_DEVICE_DATA(&rt73usb_ops) },
2399         /* Linksys */
2400         { USB_DEVICE(0x13b1, 0x0020), USB_DEVICE_DATA(&rt73usb_ops) },
2401         { USB_DEVICE(0x13b1, 0x0023), USB_DEVICE_DATA(&rt73usb_ops) },
2402         { USB_DEVICE(0x13b1, 0x0028), USB_DEVICE_DATA(&rt73usb_ops) },
2403         /* MSI */
2404         { USB_DEVICE(0x0db0, 0x6877), USB_DEVICE_DATA(&rt73usb_ops) },
2405         { USB_DEVICE(0x0db0, 0x6874), USB_DEVICE_DATA(&rt73usb_ops) },
2406         { USB_DEVICE(0x0db0, 0xa861), USB_DEVICE_DATA(&rt73usb_ops) },
2407         { USB_DEVICE(0x0db0, 0xa874), USB_DEVICE_DATA(&rt73usb_ops) },
2408         /* Ralink */
2409         { USB_DEVICE(0x04bb, 0x093d), USB_DEVICE_DATA(&rt73usb_ops) },
2410         { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt73usb_ops) },
2411         { USB_DEVICE(0x148f, 0x2671), USB_DEVICE_DATA(&rt73usb_ops) },
2412         /* Qcom */
2413         { USB_DEVICE(0x18e8, 0x6196), USB_DEVICE_DATA(&rt73usb_ops) },
2414         { USB_DEVICE(0x18e8, 0x6229), USB_DEVICE_DATA(&rt73usb_ops) },
2415         { USB_DEVICE(0x18e8, 0x6238), USB_DEVICE_DATA(&rt73usb_ops) },
2416         /* Samsung */
2417         { USB_DEVICE(0x04e8, 0x4471), USB_DEVICE_DATA(&rt73usb_ops) },
2418         /* Senao */
2419         { USB_DEVICE(0x1740, 0x7100), USB_DEVICE_DATA(&rt73usb_ops) },
2420         /* Sitecom */
2421         { USB_DEVICE(0x0df6, 0x0024), USB_DEVICE_DATA(&rt73usb_ops) },
2422         { USB_DEVICE(0x0df6, 0x0027), USB_DEVICE_DATA(&rt73usb_ops) },
2423         { USB_DEVICE(0x0df6, 0x002f), USB_DEVICE_DATA(&rt73usb_ops) },
2424         { USB_DEVICE(0x0df6, 0x90ac), USB_DEVICE_DATA(&rt73usb_ops) },
2425         { USB_DEVICE(0x0df6, 0x9712), USB_DEVICE_DATA(&rt73usb_ops) },
2426         /* Surecom */
2427         { USB_DEVICE(0x0769, 0x31f3), USB_DEVICE_DATA(&rt73usb_ops) },
2428         /* Tilgin */
2429         { USB_DEVICE(0x6933, 0x5001), USB_DEVICE_DATA(&rt73usb_ops) },
2430         /* Philips */
2431         { USB_DEVICE(0x0471, 0x200a), USB_DEVICE_DATA(&rt73usb_ops) },
2432         /* Planex */
2433         { USB_DEVICE(0x2019, 0xab01), USB_DEVICE_DATA(&rt73usb_ops) },
2434         { USB_DEVICE(0x2019, 0xab50), USB_DEVICE_DATA(&rt73usb_ops) },
2435         /* Zcom */
2436         { USB_DEVICE(0x0cde, 0x001c), USB_DEVICE_DATA(&rt73usb_ops) },
2437         /* ZyXEL */
2438         { USB_DEVICE(0x0586, 0x3415), USB_DEVICE_DATA(&rt73usb_ops) },
2439         { 0, }
2440 };
2441
2442 MODULE_AUTHOR(DRV_PROJECT);
2443 MODULE_VERSION(DRV_VERSION);
2444 MODULE_DESCRIPTION("Ralink RT73 USB Wireless LAN driver.");
2445 MODULE_SUPPORTED_DEVICE("Ralink RT2571W & RT2671 USB chipset based cards");
2446 MODULE_DEVICE_TABLE(usb, rt73usb_device_table);
2447 MODULE_FIRMWARE(FIRMWARE_RT2571);
2448 MODULE_LICENSE("GPL");
2449
2450 static struct usb_driver rt73usb_driver = {
2451         .name           = KBUILD_MODNAME,
2452         .id_table       = rt73usb_device_table,
2453         .probe          = rt2x00usb_probe,
2454         .disconnect     = rt2x00usb_disconnect,
2455         .suspend        = rt2x00usb_suspend,
2456         .resume         = rt2x00usb_resume,
2457 };
2458
2459 static int __init rt73usb_init(void)
2460 {
2461         return usb_register(&rt73usb_driver);
2462 }
2463
2464 static void __exit rt73usb_exit(void)
2465 {
2466         usb_deregister(&rt73usb_driver);
2467 }
2468
2469 module_init(rt73usb_init);
2470 module_exit(rt73usb_exit);