drivers/net/wireless/rt2x00/rt2800usb.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: rt2800usb
  23         Abstract: rt2800usb device specific routines.
  24         Supported chipsets: RT2800U.
  25  */
  26
  27 #include <linux/crc-ccitt.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 "rt2800usb.h"
  38
  39 /*
  40  * Allow hardware encryption to be disabled.
  41  */
  42 static int modparam_nohwcrypt = 1;
  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), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
  62 #define WAIT_FOR_RFCSR(__dev, __reg) \
  63         rt2x00usb_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
  64 #define WAIT_FOR_RF(__dev, __reg) \
  65         rt2x00usb_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
  66 #define WAIT_FOR_MCU(__dev, __reg) \
  67         rt2x00usb_regbusy_read((__dev), H2M_MAILBOX_CSR, \
  68                                H2M_MAILBOX_CSR_OWNER, (__reg))
  69
  70 static void rt2800usb_bbp_write(struct rt2x00_dev *rt2x00dev,
  71                                 const unsigned int word, const u8 value)
  72 {
  73         u32 reg;
  74
  75         mutex_lock(&rt2x00dev->csr_mutex);
  76
  77         /*
  78          * Wait until the BBP becomes available, afterwards we
  79          * can safely write the new data into the register.
  80          */
  81         if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
  82                 reg = 0;
  83                 rt2x00_set_field32(&reg, BBP_CSR_CFG_VALUE, value);
  84                 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
  85                 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
  86                 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
  87
  88                 rt2x00usb_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
  89         }
  90
  91         mutex_unlock(&rt2x00dev->csr_mutex);
  92 }
  93
  94 static void rt2800usb_bbp_read(struct rt2x00_dev *rt2x00dev,
  95                                const unsigned int word, u8 *value)
  96 {
  97         u32 reg;
  98
  99         mutex_lock(&rt2x00dev->csr_mutex);
 100
 101         /*
 102          * Wait until the BBP becomes available, afterwards we
 103          * can safely write the read request into the register.
 104          * After the data has been written, we wait until hardware
 105          * returns the correct value, if at any time the register
 106          * doesn't become available in time, reg will be 0xffffffff
 107          * which means we return 0xff to the caller.
 108          */
 109         if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
 110                 reg = 0;
 111                 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
 112                 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
 113                 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
 114
 115                 rt2x00usb_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
 116
 117                 WAIT_FOR_BBP(rt2x00dev, &reg);
 118         }
 119
 120         *value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
 121
 122         mutex_unlock(&rt2x00dev->csr_mutex);
 123 }
 124
 125 static void rt2800usb_rfcsr_write(struct rt2x00_dev *rt2x00dev,
 126                                   const unsigned int word, const u8 value)
 127 {
 128         u32 reg;
 129
 130         mutex_lock(&rt2x00dev->csr_mutex);
 131
 132         /*
 133          * Wait until the RFCSR becomes available, afterwards we
 134          * can safely write the new data into the register.
 135          */
 136         if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
 137                 reg = 0;
 138                 rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
 139                 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
 140                 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
 141                 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
 142
 143                 rt2x00usb_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
 144         }
 145
 146         mutex_unlock(&rt2x00dev->csr_mutex);
 147 }
 148
 149 static void rt2800usb_rfcsr_read(struct rt2x00_dev *rt2x00dev,
 150                                  const unsigned int word, u8 *value)
 151 {
 152         u32 reg;
 153
 154         mutex_lock(&rt2x00dev->csr_mutex);
 155
 156         /*
 157          * Wait until the RFCSR becomes available, afterwards we
 158          * can safely write the read request into the register.
 159          * After the data has been written, we wait until hardware
 160          * returns the correct value, if at any time the register
 161          * doesn't become available in time, reg will be 0xffffffff
 162          * which means we return 0xff to the caller.
 163          */
 164         if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
 165                 reg = 0;
 166                 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
 167                 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
 168                 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
 169
 170                 rt2x00usb_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
 171
 172                 WAIT_FOR_RFCSR(rt2x00dev, &reg);
 173         }
 174
 175         *value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
 176
 177         mutex_unlock(&rt2x00dev->csr_mutex);
 178 }
 179
 180 static void rt2800usb_rf_write(struct rt2x00_dev *rt2x00dev,
 181                                const unsigned int word, const u32 value)
 182 {
 183         u32 reg;
 184
 185         mutex_lock(&rt2x00dev->csr_mutex);
 186
 187         /*
 188          * Wait until the RF becomes available, afterwards we
 189          * can safely write the new data into the register.
 190          */
 191         if (WAIT_FOR_RF(rt2x00dev, &reg)) {
 192                 reg = 0;
 193                 rt2x00_set_field32(&reg, RF_CSR_CFG0_REG_VALUE_BW, value);
 194                 rt2x00_set_field32(&reg, RF_CSR_CFG0_STANDBYMODE, 0);
 195                 rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
 196                 rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
 197
 198                 rt2x00usb_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
 199                 rt2x00_rf_write(rt2x00dev, word, value);
 200         }
 201
 202         mutex_unlock(&rt2x00dev->csr_mutex);
 203 }
 204
 205 static void rt2800usb_mcu_request(struct rt2x00_dev *rt2x00dev,
 206                                   const u8 command, const u8 token,
 207                                   const u8 arg0, const u8 arg1)
 208 {
 209         u32 reg;
 210
 211         mutex_lock(&rt2x00dev->csr_mutex);
 212
 213         /*
 214          * Wait until the MCU becomes available, afterwards we
 215          * can safely write the new data into the register.
 216          */
 217         if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
 218                 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
 219                 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
 220                 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
 221                 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
 222                 rt2x00usb_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
 223
 224                 reg = 0;
 225                 rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
 226                 rt2x00usb_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
 227         }
 228
 229         mutex_unlock(&rt2x00dev->csr_mutex);
 230 }
 231
 232 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 233 static const struct rt2x00debug rt2800usb_rt2x00debug = {
 234         .owner  = THIS_MODULE,
 235         .csr    = {
 236                 .read           = rt2x00usb_register_read,
 237                 .write          = rt2x00usb_register_write,
 238                 .flags          = RT2X00DEBUGFS_OFFSET,
 239                 .word_base      = CSR_REG_BASE,
 240                 .word_size      = sizeof(u32),
 241                 .word_count     = CSR_REG_SIZE / sizeof(u32),
 242         },
 243         .eeprom = {
 244                 .read           = rt2x00_eeprom_read,
 245                 .write          = rt2x00_eeprom_write,
 246                 .word_base      = EEPROM_BASE,
 247                 .word_size      = sizeof(u16),
 248                 .word_count     = EEPROM_SIZE / sizeof(u16),
 249         },
 250         .bbp    = {
 251                 .read           = rt2800usb_bbp_read,
 252                 .write          = rt2800usb_bbp_write,
 253                 .word_base      = BBP_BASE,
 254                 .word_size      = sizeof(u8),
 255                 .word_count     = BBP_SIZE / sizeof(u8),
 256         },
 257         .rf     = {
 258                 .read           = rt2x00_rf_read,
 259                 .write          = rt2800usb_rf_write,
 260                 .word_base      = RF_BASE,
 261                 .word_size      = sizeof(u32),
 262                 .word_count     = RF_SIZE / sizeof(u32),
 263         },
 264 };
 265 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 266
 267 #ifdef CONFIG_RT2X00_LIB_RFKILL
 268 static int rt2800usb_rfkill_poll(struct rt2x00_dev *rt2x00dev)
 269 {
 270         u32 reg;
 271
 272         rt2x00usb_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
 273         return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2);
 274 }
 275 #else
 276 #define rt2800usb_rfkill_poll   NULL
 277 #endif /* CONFIG_RT2X00_LIB_RFKILL */
 278
 279 #ifdef CONFIG_RT2X00_LIB_LEDS
 280 static void rt2800usb_brightness_set(struct led_classdev *led_cdev,
 281                                      enum led_brightness brightness)
 282 {
 283         struct rt2x00_led *led =
 284             container_of(led_cdev, struct rt2x00_led, led_dev);
 285         unsigned int enabled = brightness != LED_OFF;
 286         unsigned int bg_mode =
 287             (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
 288         unsigned int polarity =
 289                 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
 290                                    EEPROM_FREQ_LED_POLARITY);
 291         unsigned int ledmode =
 292                 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
 293                                    EEPROM_FREQ_LED_MODE);
 294
 295         if (led->type == LED_TYPE_RADIO) {
 296                 rt2800usb_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
 297                                       enabled ? 0x20 : 0);
 298         } else if (led->type == LED_TYPE_ASSOC) {
 299                 rt2800usb_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
 300                                       enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
 301         } else if (led->type == LED_TYPE_QUALITY) {
 302                 /*
 303                  * The brightness is divided into 6 levels (0 - 5),
 304                  * The specs tell us the following levels:
 305                  *      0, 1 ,3, 7, 15, 31
 306                  * to determine the level in a simple way we can simply
 307                  * work with bitshifting:
 308                  *      (1 << level) - 1
 309                  */
 310                 rt2800usb_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
 311                                       (1 << brightness / (LED_FULL / 6)) - 1,
 312                                       polarity);
 313         }
 314 }
 315
 316 static int rt2800usb_blink_set(struct led_classdev *led_cdev,
 317                                unsigned long *delay_on,
 318                                unsigned long *delay_off)
 319 {
 320         struct rt2x00_led *led =
 321             container_of(led_cdev, struct rt2x00_led, led_dev);
 322         u32 reg;
 323
 324         rt2x00usb_register_read(led->rt2x00dev, LED_CFG, &reg);
 325         rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, *delay_on);
 326         rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, *delay_off);
 327         rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
 328         rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
 329         rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 12);
 330         rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
 331         rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
 332         rt2x00usb_register_write(led->rt2x00dev, LED_CFG, reg);
 333
 334         return 0;
 335 }
 336
 337 static void rt2800usb_init_led(struct rt2x00_dev *rt2x00dev,
 338                                struct rt2x00_led *led,
 339                                enum led_type type)
 340 {
 341         led->rt2x00dev = rt2x00dev;
 342         led->type = type;
 343         led->led_dev.brightness_set = rt2800usb_brightness_set;
 344         led->led_dev.blink_set = rt2800usb_blink_set;
 345         led->flags = LED_INITIALIZED;
 346 }
 347 #endif /* CONFIG_RT2X00_LIB_LEDS */
 348
 349 /*
 350  * Configuration handlers.
 351  */
 352 static void rt2800usb_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
 353                                        struct rt2x00lib_crypto *crypto,
 354                                        struct ieee80211_key_conf *key)
 355 {
 356         struct mac_wcid_entry wcid_entry;
 357         struct mac_iveiv_entry iveiv_entry;
 358         u32 offset;
 359         u32 reg;
 360
 361         offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
 362
 363         rt2x00usb_register_read(rt2x00dev, offset, &reg);
 364         rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
 365                            !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
 366         rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
 367                            (crypto->cmd == SET_KEY) * crypto->cipher);
 368         rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX,
 369                            (crypto->cmd == SET_KEY) * crypto->bssidx);
 370         rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
 371         rt2x00usb_register_write(rt2x00dev, offset, reg);
 372
 373         offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
 374
 375         memset(&iveiv_entry, 0, sizeof(iveiv_entry));
 376         if ((crypto->cipher == CIPHER_TKIP) ||
 377             (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
 378             (crypto->cipher == CIPHER_AES))
 379                 iveiv_entry.iv[3] |= 0x20;
 380         iveiv_entry.iv[3] |= key->keyidx << 6;
 381         rt2x00usb_register_multiwrite(rt2x00dev, offset,
 382                                       &iveiv_entry, sizeof(iveiv_entry));
 383
 384         offset = MAC_WCID_ENTRY(key->hw_key_idx);
 385
 386         memset(&wcid_entry, 0, sizeof(wcid_entry));
 387         if (crypto->cmd == SET_KEY)
 388                 memcpy(&wcid_entry, crypto->address, ETH_ALEN);
 389         rt2x00usb_register_multiwrite(rt2x00dev, offset,
 390                                       &wcid_entry, sizeof(wcid_entry));
 391 }
 392
 393 static int rt2800usb_config_shared_key(struct rt2x00_dev *rt2x00dev,
 394                                        struct rt2x00lib_crypto *crypto,
 395                                        struct ieee80211_key_conf *key)
 396 {
 397         struct hw_key_entry key_entry;
 398         struct rt2x00_field32 field;
 399         int timeout;
 400         u32 offset;
 401         u32 reg;
 402
 403         if (crypto->cmd == SET_KEY) {
 404                 key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
 405
 406                 memcpy(key_entry.key, crypto->key,
 407                        sizeof(key_entry.key));
 408                 memcpy(key_entry.tx_mic, crypto->tx_mic,
 409                        sizeof(key_entry.tx_mic));
 410                 memcpy(key_entry.rx_mic, crypto->rx_mic,
 411                        sizeof(key_entry.rx_mic));
 412
 413                 offset = SHARED_KEY_ENTRY(key->hw_key_idx);
 414                 timeout = REGISTER_TIMEOUT32(sizeof(key_entry));
 415                 rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
 416                                                     USB_VENDOR_REQUEST_OUT,
 417                                                     offset, &key_entry,
 418                                                     sizeof(key_entry),
 419                                                     timeout);
 420         }
 421
 422         /*
 423          * The cipher types are stored over multiple registers
 424          * starting with SHARED_KEY_MODE_BASE each word will have
 425          * 32 bits and contains the cipher types for 2 bssidx each.
 426          * Using the correct defines correctly will cause overhead,
 427          * so just calculate the correct offset.
 428          */
 429         field.bit_offset = 4 * (key->hw_key_idx % 8);
 430         field.bit_mask = 0x7 << field.bit_offset;
 431
 432         offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
 433
 434         rt2x00usb_register_read(rt2x00dev, offset, &reg);
 435         rt2x00_set_field32(&reg, field,
 436                            (crypto->cmd == SET_KEY) * crypto->cipher);
 437         rt2x00usb_register_write(rt2x00dev, offset, reg);
 438
 439         /*
 440          * Update WCID information
 441          */
 442         rt2800usb_config_wcid_attr(rt2x00dev, crypto, key);
 443
 444         return 0;
 445 }
 446
 447 static int rt2800usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
 448                                          struct rt2x00lib_crypto *crypto,
 449                                          struct ieee80211_key_conf *key)
 450 {
 451         struct hw_key_entry key_entry;
 452         int timeout;
 453         u32 offset;
 454
 455         if (crypto->cmd == SET_KEY) {
 456                 /*
 457                  * 1 pairwise key is possible per AID, this means that the AID
 458                  * equals our hw_key_idx. Make sure the WCID starts _after_ the
 459                  * last possible shared key entry.
 460                  */
 461                 if (crypto->aid > (256 - 32))
 462                         return -ENOSPC;
 463
 464                 key->hw_key_idx = 32 + crypto->aid;
 465
 466                 memcpy(key_entry.key, crypto->key,
 467                        sizeof(key_entry.key));
 468                 memcpy(key_entry.tx_mic, crypto->tx_mic,
 469                        sizeof(key_entry.tx_mic));
 470                 memcpy(key_entry.rx_mic, crypto->rx_mic,
 471                        sizeof(key_entry.rx_mic));
 472
 473                 offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
 474                 timeout = REGISTER_TIMEOUT32(sizeof(key_entry));
 475                 rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
 476                                                     USB_VENDOR_REQUEST_OUT,
 477                                                     offset, &key_entry,
 478                                                     sizeof(key_entry),
 479                                                     timeout);
 480         }
 481
 482         /*
 483          * Update WCID information
 484          */
 485         rt2800usb_config_wcid_attr(rt2x00dev, crypto, key);
 486
 487         return 0;
 488 }
 489
 490 static void rt2800usb_config_filter(struct rt2x00_dev *rt2x00dev,
 491                                     const unsigned int filter_flags)
 492 {
 493         u32 reg;
 494
 495         /*
 496          * Start configuration steps.
 497          * Note that the version error will always be dropped
 498          * and broadcast frames will always be accepted since
 499          * there is no filter for it at this time.
 500          */
 501         rt2x00usb_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
 502         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
 503                            !(filter_flags & FIF_FCSFAIL));
 504         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
 505                            !(filter_flags & FIF_PLCPFAIL));
 506         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME,
 507                            !(filter_flags & FIF_PROMISC_IN_BSS));
 508         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
 509         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
 510         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
 511                            !(filter_flags & FIF_ALLMULTI));
 512         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
 513         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
 514         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
 515                            !(filter_flags & FIF_CONTROL));
 516         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
 517                            !(filter_flags & FIF_CONTROL));
 518         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
 519                            !(filter_flags & FIF_CONTROL));
 520         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
 521                            !(filter_flags & FIF_CONTROL));
 522         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
 523                            !(filter_flags & FIF_CONTROL));
 524         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
 525                            !(filter_flags & FIF_CONTROL));
 526         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 1);
 527         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR, 0);
 528         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
 529                            !(filter_flags & FIF_CONTROL));
 530         rt2x00usb_register_write(rt2x00dev, RX_FILTER_CFG, reg);
 531 }
 532
 533 static void rt2800usb_config_intf(struct rt2x00_dev *rt2x00dev,
 534                                   struct rt2x00_intf *intf,
 535                                   struct rt2x00intf_conf *conf,
 536                                   const unsigned int flags)
 537 {
 538         unsigned int beacon_base;
 539         u32 reg;
 540
 541         if (flags & CONFIG_UPDATE_TYPE) {
 542                 /*
 543                  * Clear current synchronisation setup.
 544                  * For the Beacon base registers we only need to clear
 545                  * the first byte since that byte contains the VALID and OWNER
 546                  * bits which (when set to 0) will invalidate the entire beacon.
 547                  */
 548                 beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
 549                 rt2x00usb_register_write(rt2x00dev, beacon_base, 0);
 550
 551                 /*
 552                  * Enable synchronisation.
 553                  */
 554                 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
 555                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
 556                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
 557                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
 558                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 559         }
 560
 561         if (flags & CONFIG_UPDATE_MAC) {
 562                 reg = le32_to_cpu(conf->mac[1]);
 563                 rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
 564                 conf->mac[1] = cpu_to_le32(reg);
 565
 566                 rt2x00usb_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
 567                                               conf->mac, sizeof(conf->mac));
 568         }
 569
 570         if (flags & CONFIG_UPDATE_BSSID) {
 571                 reg = le32_to_cpu(conf->bssid[1]);
 572                 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 0);
 573                 rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 0);
 574                 conf->bssid[1] = cpu_to_le32(reg);
 575
 576                 rt2x00usb_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
 577                                               conf->bssid, sizeof(conf->bssid));
 578         }
 579 }
 580
 581 static void rt2800usb_config_erp(struct rt2x00_dev *rt2x00dev,
 582                                  struct rt2x00lib_erp *erp)
 583 {
 584         u32 reg;
 585
 586         rt2x00usb_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
 587         rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT,
 588                            DIV_ROUND_UP(erp->ack_timeout, erp->slot_time));
 589         rt2x00usb_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
 590
 591         rt2x00usb_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
 592         rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
 593                            !!erp->short_preamble);
 594         rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
 595                            !!erp->short_preamble);
 596         rt2x00usb_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
 597
 598         rt2x00usb_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
 599         rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
 600                            erp->cts_protection ? 2 : 0);
 601         rt2x00usb_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
 602
 603         rt2x00usb_register_write(rt2x00dev, LEGACY_BASIC_RATE,
 604                                  erp->basic_rates);
 605         rt2x00usb_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
 606
 607         rt2x00usb_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
 608         rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, erp->slot_time);
 609         rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
 610         rt2x00usb_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
 611
 612         rt2x00usb_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
 613         rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, erp->sifs);
 614         rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, erp->sifs);
 615         rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
 616         rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
 617         rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
 618         rt2x00usb_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
 619
 620         rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
 621         rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
 622                            erp->beacon_int * 16);
 623         rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 624 }
 625
 626 static void rt2800usb_config_ant(struct rt2x00_dev *rt2x00dev,
 627                                  struct antenna_setup *ant)
 628 {
 629         u8 r1;
 630         u8 r3;
 631
 632         rt2800usb_bbp_read(rt2x00dev, 1, &r1);
 633         rt2800usb_bbp_read(rt2x00dev, 3, &r3);
 634
 635         /*
 636          * Configure the TX antenna.
 637          */
 638         switch ((int)ant->tx) {
 639         case 1:
 640                 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
 641                 break;
 642         case 2:
 643                 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
 644                 break;
 645         case 3:
 646                 /* Do nothing */
 647                 break;
 648         }
 649
 650         /*
 651          * Configure the RX antenna.
 652          */
 653         switch ((int)ant->rx) {
 654         case 1:
 655                 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
 656                 break;
 657         case 2:
 658                 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
 659                 break;
 660         case 3:
 661                 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
 662                 break;
 663         }
 664
 665         rt2800usb_bbp_write(rt2x00dev, 3, r3);
 666         rt2800usb_bbp_write(rt2x00dev, 1, r1);
 667 }
 668
 669 static void rt2800usb_config_lna_gain(struct rt2x00_dev *rt2x00dev,
 670                                       struct rt2x00lib_conf *libconf)
 671 {
 672         u16 eeprom;
 673         short lna_gain;
 674
 675         if (libconf->rf.channel <= 14) {
 676                 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
 677                 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
 678         } else if (libconf->rf.channel <= 64) {
 679                 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
 680                 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
 681         } else if (libconf->rf.channel <= 128) {
 682                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
 683                 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1);
 684         } else {
 685                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
 686                 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2);
 687         }
 688
 689         rt2x00dev->lna_gain = lna_gain;
 690 }
 691
 692 static void rt2800usb_config_channel_rt2x(struct rt2x00_dev *rt2x00dev,
 693                                           struct ieee80211_conf *conf,
 694                                           struct rf_channel *rf,
 695                                           struct channel_info *info)
 696 {
 697         rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
 698
 699         if (rt2x00dev->default_ant.tx == 1)
 700                 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
 701
 702         if (rt2x00dev->default_ant.rx == 1) {
 703                 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
 704                 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
 705         } else if (rt2x00dev->default_ant.rx == 2)
 706                 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
 707
 708         if (rf->channel > 14) {
 709                 /*
 710                  * When TX power is below 0, we should increase it by 7 to
 711                  * make it a positive value (Minumum value is -7).
 712                  * However this means that values between 0 and 7 have
 713                  * double meaning, and we should set a 7DBm boost flag.
 714                  */
 715                 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
 716                                    (info->tx_power1 >= 0));
 717
 718                 if (info->tx_power1 < 0)
 719                         info->tx_power1 += 7;
 720
 721                 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A,
 722                                    TXPOWER_A_TO_DEV(info->tx_power1));
 723
 724                 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
 725                                    (info->tx_power2 >= 0));
 726
 727                 if (info->tx_power2 < 0)
 728                         info->tx_power2 += 7;
 729
 730                 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A,
 731                                    TXPOWER_A_TO_DEV(info->tx_power2));
 732         } else {
 733                 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G,
 734                                    TXPOWER_G_TO_DEV(info->tx_power1));
 735                 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G,
 736                                    TXPOWER_G_TO_DEV(info->tx_power2));
 737         }
 738
 739         rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
 740
 741         rt2800usb_rf_write(rt2x00dev, 1, rf->rf1);
 742         rt2800usb_rf_write(rt2x00dev, 2, rf->rf2);
 743         rt2800usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
 744         rt2800usb_rf_write(rt2x00dev, 4, rf->rf4);
 745
 746         udelay(200);
 747
 748         rt2800usb_rf_write(rt2x00dev, 1, rf->rf1);
 749         rt2800usb_rf_write(rt2x00dev, 2, rf->rf2);
 750         rt2800usb_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
 751         rt2800usb_rf_write(rt2x00dev, 4, rf->rf4);
 752
 753         udelay(200);
 754
 755         rt2800usb_rf_write(rt2x00dev, 1, rf->rf1);
 756         rt2800usb_rf_write(rt2x00dev, 2, rf->rf2);
 757         rt2800usb_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
 758         rt2800usb_rf_write(rt2x00dev, 4, rf->rf4);
 759 }
 760
 761 static void rt2800usb_config_channel_rt3x(struct rt2x00_dev *rt2x00dev,
 762                                           struct ieee80211_conf *conf,
 763                                           struct rf_channel *rf,
 764                                           struct channel_info *info)
 765 {
 766         u8 rfcsr;
 767
 768         rt2800usb_rfcsr_write(rt2x00dev, 2, rf->rf1);
 769         rt2800usb_rfcsr_write(rt2x00dev, 2, rf->rf3);
 770
 771         rt2800usb_rfcsr_read(rt2x00dev, 6, &rfcsr);
 772         rt2x00_set_field8(&rfcsr, RFCSR6_R, rf->rf2);
 773         rt2800usb_rfcsr_write(rt2x00dev, 6, rfcsr);
 774
 775         rt2800usb_rfcsr_read(rt2x00dev, 12, &rfcsr);
 776         rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
 777                           TXPOWER_G_TO_DEV(info->tx_power1));
 778         rt2800usb_rfcsr_write(rt2x00dev, 12, rfcsr);
 779
 780         rt2800usb_rfcsr_read(rt2x00dev, 23, &rfcsr);
 781         rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
 782         rt2800usb_rfcsr_write(rt2x00dev, 23, rfcsr);
 783
 784         rt2800usb_rfcsr_write(rt2x00dev, 24,
 785                               rt2x00dev->calibration[conf_is_ht40(conf)]);
 786
 787         rt2800usb_rfcsr_read(rt2x00dev, 23, &rfcsr);
 788         rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
 789         rt2800usb_rfcsr_write(rt2x00dev, 23, rfcsr);
 790 }
 791
 792 static void rt2800usb_config_channel(struct rt2x00_dev *rt2x00dev,
 793                                      struct ieee80211_conf *conf,
 794                                      struct rf_channel *rf,
 795                                      struct channel_info *info)
 796 {
 797         u32 reg;
 798         unsigned int tx_pin;
 799         u8 bbp;
 800
 801         if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
 802                 rt2800usb_config_channel_rt2x(rt2x00dev, conf, rf, info);
 803         else
 804                 rt2800usb_config_channel_rt3x(rt2x00dev, conf, rf, info);
 805
 806         /*
 807          * Change BBP settings
 808          */
 809         rt2800usb_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
 810         rt2800usb_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
 811         rt2800usb_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
 812         rt2800usb_bbp_write(rt2x00dev, 86, 0);
 813
 814         if (rf->channel <= 14) {
 815                 if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) {
 816                         rt2800usb_bbp_write(rt2x00dev, 82, 0x62);
 817                         rt2800usb_bbp_write(rt2x00dev, 75, 0x46);
 818                 } else {
 819                         rt2800usb_bbp_write(rt2x00dev, 82, 0x84);
 820                         rt2800usb_bbp_write(rt2x00dev, 75, 0x50);
 821                 }
 822         } else {
 823                 rt2800usb_bbp_write(rt2x00dev, 82, 0xf2);
 824
 825                 if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags))
 826                         rt2800usb_bbp_write(rt2x00dev, 75, 0x46);
 827                 else
 828                         rt2800usb_bbp_write(rt2x00dev, 75, 0x50);
 829         }
 830
 831         rt2x00usb_register_read(rt2x00dev, TX_BAND_CFG, &reg);
 832         rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_PLUS, conf_is_ht40_plus(conf));
 833         rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
 834         rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
 835         rt2x00usb_register_write(rt2x00dev, TX_BAND_CFG, reg);
 836
 837         tx_pin = 0;
 838
 839         /* Turn on unused PA or LNA when not using 1T or 1R */
 840         if (rt2x00dev->default_ant.tx != 1) {
 841                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
 842                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
 843         }
 844
 845         /* Turn on unused PA or LNA when not using 1T or 1R */
 846         if (rt2x00dev->default_ant.rx != 1) {
 847                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
 848                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
 849         }
 850
 851         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
 852         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
 853         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
 854         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
 855         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, rf->channel <= 14);
 856         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
 857
 858         rt2x00usb_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
 859
 860         rt2800usb_bbp_read(rt2x00dev, 4, &bbp);
 861         rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
 862         rt2800usb_bbp_write(rt2x00dev, 4, bbp);
 863
 864         rt2800usb_bbp_read(rt2x00dev, 3, &bbp);
 865         rt2x00_set_field8(&bbp, BBP3_HT40_PLUS, conf_is_ht40_plus(conf));
 866         rt2800usb_bbp_write(rt2x00dev, 3, bbp);
 867
 868         if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
 869                 if (conf_is_ht40(conf)) {
 870                         rt2800usb_bbp_write(rt2x00dev, 69, 0x1a);
 871                         rt2800usb_bbp_write(rt2x00dev, 70, 0x0a);
 872                         rt2800usb_bbp_write(rt2x00dev, 73, 0x16);
 873                 } else {
 874                         rt2800usb_bbp_write(rt2x00dev, 69, 0x16);
 875                         rt2800usb_bbp_write(rt2x00dev, 70, 0x08);
 876                         rt2800usb_bbp_write(rt2x00dev, 73, 0x11);
 877                 }
 878         }
 879
 880         msleep(1);
 881 }
 882
 883 static void rt2800usb_config_txpower(struct rt2x00_dev *rt2x00dev,
 884                                      const int txpower)
 885 {
 886         u32 reg;
 887         u32 value = TXPOWER_G_TO_DEV(txpower);
 888         u8 r1;
 889
 890         rt2800usb_bbp_read(rt2x00dev, 1, &r1);
 891         rt2x00_set_field8(&reg, BBP1_TX_POWER, 0);
 892         rt2800usb_bbp_write(rt2x00dev, 1, r1);
 893
 894         rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_0, &reg);
 895         rt2x00_set_field32(&reg, TX_PWR_CFG_0_1MBS, value);
 896         rt2x00_set_field32(&reg, TX_PWR_CFG_0_2MBS, value);
 897         rt2x00_set_field32(&reg, TX_PWR_CFG_0_55MBS, value);
 898         rt2x00_set_field32(&reg, TX_PWR_CFG_0_11MBS, value);
 899         rt2x00_set_field32(&reg, TX_PWR_CFG_0_6MBS, value);
 900         rt2x00_set_field32(&reg, TX_PWR_CFG_0_9MBS, value);
 901         rt2x00_set_field32(&reg, TX_PWR_CFG_0_12MBS, value);
 902         rt2x00_set_field32(&reg, TX_PWR_CFG_0_18MBS, value);
 903         rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_0, reg);
 904
 905         rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_1, &reg);
 906         rt2x00_set_field32(&reg, TX_PWR_CFG_1_24MBS, value);
 907         rt2x00_set_field32(&reg, TX_PWR_CFG_1_36MBS, value);
 908         rt2x00_set_field32(&reg, TX_PWR_CFG_1_48MBS, value);
 909         rt2x00_set_field32(&reg, TX_PWR_CFG_1_54MBS, value);
 910         rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS0, value);
 911         rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS1, value);
 912         rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS2, value);
 913         rt2x00_set_field32(&reg, TX_PWR_CFG_1_MCS3, value);
 914         rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_1, reg);
 915
 916         rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_2, &reg);
 917         rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS4, value);
 918         rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS5, value);
 919         rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS6, value);
 920         rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS7, value);
 921         rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS8, value);
 922         rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS9, value);
 923         rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS10, value);
 924         rt2x00_set_field32(&reg, TX_PWR_CFG_2_MCS11, value);
 925         rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_2, reg);
 926
 927         rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_3, &reg);
 928         rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS12, value);
 929         rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS13, value);
 930         rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS14, value);
 931         rt2x00_set_field32(&reg, TX_PWR_CFG_3_MCS15, value);
 932         rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN1, value);
 933         rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN2, value);
 934         rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN3, value);
 935         rt2x00_set_field32(&reg, TX_PWR_CFG_3_UKNOWN4, value);
 936         rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_3, reg);
 937
 938         rt2x00usb_register_read(rt2x00dev, TX_PWR_CFG_4, &reg);
 939         rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN5, value);
 940         rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN6, value);
 941         rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN7, value);
 942         rt2x00_set_field32(&reg, TX_PWR_CFG_4_UKNOWN8, value);
 943         rt2x00usb_register_write(rt2x00dev, TX_PWR_CFG_4, reg);
 944 }
 945
 946 static void rt2800usb_config_retry_limit(struct rt2x00_dev *rt2x00dev,
 947                                          struct rt2x00lib_conf *libconf)
 948 {
 949         u32 reg;
 950
 951         rt2x00usb_register_read(rt2x00dev, TX_RTY_CFG, &reg);
 952         rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
 953                            libconf->conf->short_frame_max_tx_count);
 954         rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
 955                            libconf->conf->long_frame_max_tx_count);
 956         rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
 957         rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
 958         rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
 959         rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
 960         rt2x00usb_register_write(rt2x00dev, TX_RTY_CFG, reg);
 961 }
 962
 963 static void rt2800usb_config_ps(struct rt2x00_dev *rt2x00dev,
 964                                 struct rt2x00lib_conf *libconf)
 965 {
 966         enum dev_state state =
 967             (libconf->conf->flags & IEEE80211_CONF_PS) ?
 968                 STATE_SLEEP : STATE_AWAKE;
 969         u32 reg;
 970
 971         if (state == STATE_SLEEP) {
 972                 rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
 973
 974                 rt2x00usb_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
 975                 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
 976                 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
 977                                    libconf->conf->listen_interval - 1);
 978                 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
 979                 rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
 980
 981                 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
 982         } else {
 983                 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
 984
 985                 rt2x00usb_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
 986                 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
 987                 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
 988                 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
 989                 rt2x00usb_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
 990         }
 991 }
 992
 993 static void rt2800usb_config(struct rt2x00_dev *rt2x00dev,
 994                              struct rt2x00lib_conf *libconf,
 995                              const unsigned int flags)
 996 {
 997         /* Always recalculate LNA gain before changing configuration */
 998         rt2800usb_config_lna_gain(rt2x00dev, libconf);
 999
1000         if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
1001                 rt2800usb_config_channel(rt2x00dev, libconf->conf,
1002                                          &libconf->rf, &libconf->channel);
1003         if (flags & IEEE80211_CONF_CHANGE_POWER)
1004                 rt2800usb_config_txpower(rt2x00dev, libconf->conf->power_level);
1005         if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
1006                 rt2800usb_config_retry_limit(rt2x00dev, libconf);
1007         if (flags & IEEE80211_CONF_CHANGE_PS)
1008                 rt2800usb_config_ps(rt2x00dev, libconf);
1009 }
1010
1011 /*
1012  * Link tuning
1013  */
1014 static void rt2800usb_link_stats(struct rt2x00_dev *rt2x00dev,
1015                                  struct link_qual *qual)
1016 {
1017         u32 reg;
1018
1019         /*
1020          * Update FCS error count from register.
1021          */
1022         rt2x00usb_register_read(rt2x00dev, RX_STA_CNT0, &reg);
1023         qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
1024 }
1025
1026 static u8 rt2800usb_get_default_vgc(struct rt2x00_dev *rt2x00dev)
1027 {
1028         if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
1029                 if (rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION)
1030                         return 0x1c + (2 * rt2x00dev->lna_gain);
1031                 else
1032                         return 0x2e + rt2x00dev->lna_gain;
1033         }
1034
1035         if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
1036                 return 0x32 + (rt2x00dev->lna_gain * 5) / 3;
1037         else
1038                 return 0x3a + (rt2x00dev->lna_gain * 5) / 3;
1039 }
1040
1041 static inline void rt2800usb_set_vgc(struct rt2x00_dev *rt2x00dev,
1042                                      struct link_qual *qual, u8 vgc_level)
1043 {
1044         if (qual->vgc_level != vgc_level) {
1045                 rt2800usb_bbp_write(rt2x00dev, 66, vgc_level);
1046                 qual->vgc_level = vgc_level;
1047                 qual->vgc_level_reg = vgc_level;
1048         }
1049 }
1050
1051 static void rt2800usb_reset_tuner(struct rt2x00_dev *rt2x00dev,
1052                                   struct link_qual *qual)
1053 {
1054         rt2800usb_set_vgc(rt2x00dev, qual,
1055                           rt2800usb_get_default_vgc(rt2x00dev));
1056 }
1057
1058 static void rt2800usb_link_tuner(struct rt2x00_dev *rt2x00dev,
1059                                  struct link_qual *qual, const u32 count)
1060 {
1061         if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION)
1062                 return;
1063
1064         /*
1065          * When RSSI is better then -80 increase VGC level with 0x10
1066          */
1067         rt2800usb_set_vgc(rt2x00dev, qual,
1068                           rt2800usb_get_default_vgc(rt2x00dev) +
1069                           ((qual->rssi > -80) * 0x10));
1070 }
1071
1072 /*
1073  * Firmware functions
1074  */
1075 static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
1076 {
1077         return FIRMWARE_RT2870;
1078 }
1079
1080 static bool rt2800usb_check_crc(const u8 *data, const size_t len)
1081 {
1082         u16 fw_crc;
1083         u16 crc;
1084
1085         /*
1086          * The last 2 bytes in the firmware array are the crc checksum itself,
1087          * this means that we should never pass those 2 bytes to the crc
1088          * algorithm.
1089          */
1090         fw_crc = (data[len - 2] << 8 | data[len - 1]);
1091
1092         /*
1093          * Use the crc ccitt algorithm.
1094          * This will return the same value as the legacy driver which
1095          * used bit ordering reversion on the both the firmware bytes
1096          * before input input as well as on the final output.
1097          * Obviously using crc ccitt directly is much more efficient.
1098          */
1099         crc = crc_ccitt(~0, data, len - 2);
1100
1101         /*
1102          * There is a small difference between the crc-itu-t + bitrev and
1103          * the crc-ccitt crc calculation. In the latter method the 2 bytes
1104          * will be swapped, use swab16 to convert the crc to the correct
1105          * value.
1106          */
1107         crc = swab16(crc);
1108
1109         return fw_crc == crc;
1110 }
1111
1112 static int rt2800usb_check_firmware(struct rt2x00_dev *rt2x00dev,
1113                                     const u8 *data, const size_t len)
1114 {
1115         u16 chipset = (rt2x00_rev(&rt2x00dev->chip) >> 16) & 0xffff;
1116         size_t offset = 0;
1117
1118         /*
1119          * Firmware files:
1120          * There are 2 variations of the rt2870 firmware.
1121          * a) size: 4kb
1122          * b) size: 8kb
1123          * Note that (b) contains 2 seperate firmware blobs of 4k
1124          * within the file. The first blob is the same firmware as (a),
1125          * but the second blob is for the additional chipsets.
1126          */
1127         if (len != 4096 && len != 8192)
1128                 return FW_BAD_LENGTH;
1129
1130         /*
1131          * Check if we need the upper 4kb firmware data or not.
1132          */
1133         if ((len == 4096) &&
1134             (chipset != 0x2860) &&
1135             (chipset != 0x2872) &&
1136             (chipset != 0x3070))
1137                 return FW_BAD_VERSION;
1138
1139         /*
1140          * 8kb firmware files must be checked as if it were
1141          * 2 seperate firmware files.
1142          */
1143         while (offset < len) {
1144                 if (!rt2800usb_check_crc(data + offset, 4096))
1145                         return FW_BAD_CRC;
1146
1147                 offset += 4096;
1148         }
1149
1150         return FW_OK;
1151 }
1152
1153 static int rt2800usb_load_firmware(struct rt2x00_dev *rt2x00dev,
1154                                    const u8 *data, const size_t len)
1155 {
1156         unsigned int i;
1157         int status;
1158         u32 reg;
1159         u32 offset;
1160         u32 length;
1161         u16 chipset = (rt2x00_rev(&rt2x00dev->chip) >> 16) & 0xffff;
1162
1163         /*
1164          * Check which section of the firmware we need.
1165          */
1166         if ((chipset == 0x2860) ||
1167             (chipset == 0x2872) ||
1168             (chipset == 0x3070)) {
1169                 offset = 0;
1170                 length = 4096;
1171         } else {
1172                 offset = 4096;
1173                 length = 4096;
1174         }
1175
1176         /*
1177          * Wait for stable hardware.
1178          */
1179         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1180                 rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1181                 if (reg && reg != ~0)
1182                         break;
1183                 msleep(1);
1184         }
1185
1186         if (i == REGISTER_BUSY_COUNT) {
1187                 ERROR(rt2x00dev, "Unstable hardware.\n");
1188                 return -EBUSY;
1189         }
1190
1191         /*
1192          * Write firmware to device.
1193          */
1194         rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
1195                                             USB_VENDOR_REQUEST_OUT,
1196                                             FIRMWARE_IMAGE_BASE,
1197                                             data + offset, length,
1198                                             REGISTER_TIMEOUT32(length));
1199
1200         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
1201         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
1202
1203         /*
1204          * Send firmware request to device to load firmware,
1205          * we need to specify a long timeout time.
1206          */
1207         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
1208                                              0, USB_MODE_FIRMWARE,
1209                                              REGISTER_TIMEOUT_FIRMWARE);
1210         if (status < 0) {
1211                 ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
1212                 return status;
1213         }
1214
1215         msleep(10);
1216         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
1217
1218         /*
1219          * Send signal to firmware during boot time.
1220          */
1221         rt2800usb_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0xff, 0, 0);
1222
1223         if ((chipset == 0x3070) ||
1224             (chipset == 0x3071) ||
1225             (chipset == 0x3572)) {
1226                 udelay(200);
1227                 rt2800usb_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
1228                 udelay(10);
1229         }
1230
1231         /*
1232          * Wait for device to stabilize.
1233          */
1234         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1235                 rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
1236                 if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
1237                         break;
1238                 msleep(1);
1239         }
1240
1241         if (i == REGISTER_BUSY_COUNT) {
1242                 ERROR(rt2x00dev, "PBF system register not ready.\n");
1243                 return -EBUSY;
1244         }
1245
1246         /*
1247          * Initialize firmware.
1248          */
1249         rt2x00usb_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
1250         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
1251         msleep(1);
1252
1253         return 0;
1254 }
1255
1256 /*
1257  * Initialization functions.
1258  */
1259 static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
1260 {
1261         u32 reg;
1262         unsigned int i;
1263
1264         /*
1265          * Wait untill BBP and RF are ready.
1266          */
1267         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1268                 rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
1269                 if (reg && reg != ~0)
1270                         break;
1271                 msleep(1);
1272         }
1273
1274         if (i == REGISTER_BUSY_COUNT) {
1275                 ERROR(rt2x00dev, "Unstable hardware.\n");
1276                 return -EBUSY;
1277         }
1278
1279         rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
1280         rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
1281
1282         rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
1283         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
1284         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
1285         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
1286
1287         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
1288
1289         rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
1290                                     USB_MODE_RESET, REGISTER_TIMEOUT);
1291
1292         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
1293
1294         rt2x00usb_register_read(rt2x00dev, BCN_OFFSET0, &reg);
1295         rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
1296         rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
1297         rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
1298         rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
1299         rt2x00usb_register_write(rt2x00dev, BCN_OFFSET0, reg);
1300
1301         rt2x00usb_register_read(rt2x00dev, BCN_OFFSET1, &reg);
1302         rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
1303         rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
1304         rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
1305         rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
1306         rt2x00usb_register_write(rt2x00dev, BCN_OFFSET1, reg);
1307
1308         rt2x00usb_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
1309         rt2x00usb_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
1310
1311         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
1312
1313         rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1314         rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 0);
1315         rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
1316         rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
1317         rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
1318         rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
1319         rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
1320         rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1321
1322         if (rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
1323                 rt2x00usb_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
1324                 rt2x00usb_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
1325                 rt2x00usb_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
1326         } else {
1327                 rt2x00usb_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
1328                 rt2x00usb_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
1329         }
1330
1331         rt2x00usb_register_read(rt2x00dev, TX_LINK_CFG, &reg);
1332         rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
1333         rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
1334         rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
1335         rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
1336         rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
1337         rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
1338         rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
1339         rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
1340         rt2x00usb_register_write(rt2x00dev, TX_LINK_CFG, reg);
1341
1342         rt2x00usb_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
1343         rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
1344         rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
1345         rt2x00usb_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
1346
1347         rt2x00usb_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
1348         rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
1349         if (rt2x00_rev(&rt2x00dev->chip) >= RT2880E_VERSION &&
1350             rt2x00_rev(&rt2x00dev->chip) < RT3070_VERSION)
1351                 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
1352         else
1353                 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
1354         rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
1355         rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
1356         rt2x00usb_register_write(rt2x00dev, MAX_LEN_CFG, reg);
1357
1358         rt2x00usb_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
1359
1360         rt2x00usb_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
1361         rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
1362         rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
1363         rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
1364         rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
1365         rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
1366         rt2x00usb_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
1367
1368         rt2x00usb_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
1369         rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 8);
1370         rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
1371         rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV, 1);
1372         rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1373         rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1374         rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1375         rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1376         rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1377         rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1378         rt2x00usb_register_write(rt2x00dev, CCK_PROT_CFG, reg);
1379
1380         rt2x00usb_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
1381         rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 8);
1382         rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
1383         rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV, 1);
1384         rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1385         rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1386         rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1387         rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1388         rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1389         rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1390         rt2x00usb_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1391
1392         rt2x00usb_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
1393         rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
1394         rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
1395         rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV, 1);
1396         rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1397         rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1398         rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1399         rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
1400         rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1401         rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
1402         rt2x00usb_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1403
1404         rt2x00usb_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
1405         rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
1406         rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
1407         rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV, 1);
1408         rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1409         rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1410         rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1411         rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1412         rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1413         rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1414         rt2x00usb_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1415
1416         rt2x00usb_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
1417         rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
1418         rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
1419         rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV, 1);
1420         rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1421         rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1422         rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1423         rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
1424         rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1425         rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
1426         rt2x00usb_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1427
1428         rt2x00usb_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
1429         rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
1430         rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
1431         rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV, 1);
1432         rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
1433         rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
1434         rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
1435         rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
1436         rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
1437         rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
1438         rt2x00usb_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1439
1440         rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
1441
1442         rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
1443         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
1444         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
1445         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
1446         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
1447         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
1448         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
1449         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
1450         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
1451         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
1452         rt2x00usb_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
1453
1454         rt2x00usb_register_write(rt2x00dev, TXOP_CTRL_CFG, 0x0000583f);
1455         rt2x00usb_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002);
1456
1457         rt2x00usb_register_read(rt2x00dev, TX_RTS_CFG, &reg);
1458         rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
1459         rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
1460                            IEEE80211_MAX_RTS_THRESHOLD);
1461         rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
1462         rt2x00usb_register_write(rt2x00dev, TX_RTS_CFG, reg);
1463
1464         rt2x00usb_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
1465         rt2x00usb_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
1466
1467         /*
1468          * ASIC will keep garbage value after boot, clear encryption keys.
1469          */
1470         for (i = 0; i < 256; i++) {
1471                 u32 wcid[2] = { 0xffffffff, 0x00ffffff };
1472                 rt2x00usb_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
1473                                               wcid, sizeof(wcid));
1474
1475                 rt2x00usb_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 1);
1476                 rt2x00usb_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
1477         }
1478
1479         for (i = 0; i < 16; i++)
1480                 rt2x00usb_register_write(rt2x00dev,
1481                                          SHARED_KEY_MODE_ENTRY(i), 0);
1482
1483         /*
1484          * Clear all beacons
1485          * For the Beacon base registers we only need to clear
1486          * the first byte since that byte contains the VALID and OWNER
1487          * bits which (when set to 0) will invalidate the entire beacon.
1488          */
1489         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
1490         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
1491         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
1492         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
1493         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE4, 0);
1494         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE5, 0);
1495         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE6, 0);
1496         rt2x00usb_register_write(rt2x00dev, HW_BEACON_BASE7, 0);
1497
1498         rt2x00usb_register_read(rt2x00dev, USB_CYC_CFG, &reg);
1499         rt2x00_set_field32(&reg, USB_CYC_CFG_CLOCK_CYCLE, 30);
1500         rt2x00usb_register_write(rt2x00dev, USB_CYC_CFG, reg);
1501
1502         rt2x00usb_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
1503         rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
1504         rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
1505         rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
1506         rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
1507         rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
1508         rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
1509         rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
1510         rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
1511         rt2x00usb_register_write(rt2x00dev, HT_FBK_CFG0, reg);
1512
1513         rt2x00usb_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
1514         rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
1515         rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
1516         rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
1517         rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
1518         rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
1519         rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
1520         rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
1521         rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
1522         rt2x00usb_register_write(rt2x00dev, HT_FBK_CFG1, reg);
1523
1524         rt2x00usb_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
1525         rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
1526         rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
1527         rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 3);
1528         rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
1529         rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
1530         rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
1531         rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
1532         rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
1533         rt2x00usb_register_write(rt2x00dev, LG_FBK_CFG0, reg);
1534
1535         rt2x00usb_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
1536         rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
1537         rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
1538         rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
1539         rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
1540         rt2x00usb_register_write(rt2x00dev, LG_FBK_CFG1, reg);
1541
1542         /*
1543          * We must clear the error counters.
1544          * These registers are cleared on read,
1545          * so we may pass a useless variable to store the value.
1546          */
1547         rt2x00usb_register_read(rt2x00dev, RX_STA_CNT0, &reg);
1548         rt2x00usb_register_read(rt2x00dev, RX_STA_CNT1, &reg);
1549         rt2x00usb_register_read(rt2x00dev, RX_STA_CNT2, &reg);
1550         rt2x00usb_register_read(rt2x00dev, TX_STA_CNT0, &reg);
1551         rt2x00usb_register_read(rt2x00dev, TX_STA_CNT1, &reg);
1552         rt2x00usb_register_read(rt2x00dev, TX_STA_CNT2, &reg);
1553
1554         return 0;
1555 }
1556
1557 static int rt2800usb_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
1558 {
1559         unsigned int i;
1560         u32 reg;
1561
1562         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1563                 rt2x00usb_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
1564                 if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
1565                         return 0;
1566
1567                 udelay(REGISTER_BUSY_DELAY);
1568         }
1569
1570         ERROR(rt2x00dev, "BBP/RF register access failed, aborting.\n");
1571         return -EACCES;
1572 }
1573
1574 static int rt2800usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
1575 {
1576         unsigned int i;
1577         u8 value;
1578
1579         /*
1580          * BBP was enabled after firmware was loaded,
1581          * but we need to reactivate it now.
1582          */
1583         rt2x00usb_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
1584         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
1585         msleep(1);
1586
1587         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1588                 rt2800usb_bbp_read(rt2x00dev, 0, &value);
1589                 if ((value != 0xff) && (value != 0x00))
1590                         return 0;
1591                 udelay(REGISTER_BUSY_DELAY);
1592         }
1593
1594         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
1595         return -EACCES;
1596 }
1597
1598 static int rt2800usb_init_bbp(struct rt2x00_dev *rt2x00dev)
1599 {
1600         unsigned int i;
1601         u16 eeprom;
1602         u8 reg_id;
1603         u8 value;
1604
1605         if (unlikely(rt2800usb_wait_bbp_rf_ready(rt2x00dev) ||
1606                      rt2800usb_wait_bbp_ready(rt2x00dev)))
1607                 return -EACCES;
1608
1609         rt2800usb_bbp_write(rt2x00dev, 65, 0x2c);
1610         rt2800usb_bbp_write(rt2x00dev, 66, 0x38);
1611         rt2800usb_bbp_write(rt2x00dev, 69, 0x12);
1612         rt2800usb_bbp_write(rt2x00dev, 70, 0x0a);
1613         rt2800usb_bbp_write(rt2x00dev, 73, 0x10);
1614         rt2800usb_bbp_write(rt2x00dev, 81, 0x37);
1615         rt2800usb_bbp_write(rt2x00dev, 82, 0x62);
1616         rt2800usb_bbp_write(rt2x00dev, 83, 0x6a);
1617         rt2800usb_bbp_write(rt2x00dev, 84, 0x99);
1618         rt2800usb_bbp_write(rt2x00dev, 86, 0x00);
1619         rt2800usb_bbp_write(rt2x00dev, 91, 0x04);
1620         rt2800usb_bbp_write(rt2x00dev, 92, 0x00);
1621         rt2800usb_bbp_write(rt2x00dev, 103, 0x00);
1622         rt2800usb_bbp_write(rt2x00dev, 105, 0x05);
1623
1624         if (rt2x00_rev(&rt2x00dev->chip) == RT2860C_VERSION) {
1625                 rt2800usb_bbp_write(rt2x00dev, 69, 0x16);
1626                 rt2800usb_bbp_write(rt2x00dev, 73, 0x12);
1627         }
1628
1629         if (rt2x00_rev(&rt2x00dev->chip) > RT2860D_VERSION) {
1630                 rt2800usb_bbp_write(rt2x00dev, 84, 0x19);
1631         }
1632
1633         if (rt2x00_rev(&rt2x00dev->chip) == RT3070_VERSION) {
1634                 rt2800usb_bbp_write(rt2x00dev, 70, 0x0a);
1635                 rt2800usb_bbp_write(rt2x00dev, 84, 0x99);
1636                 rt2800usb_bbp_write(rt2x00dev, 105, 0x05);
1637         }
1638
1639         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1640                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1641
1642                 if (eeprom != 0xffff && eeprom != 0x0000) {
1643                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1644                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
1645                         rt2800usb_bbp_write(rt2x00dev, reg_id, value);
1646                 }
1647         }
1648
1649         return 0;
1650 }
1651
1652 static u8 rt2800usb_init_rx_filter(struct rt2x00_dev *rt2x00dev,
1653                                    bool bw40, u8 rfcsr24, u8 filter_target)
1654 {
1655         unsigned int i;
1656         u8 bbp;
1657         u8 rfcsr;
1658         u8 passband;
1659         u8 stopband;
1660         u8 overtuned = 0;
1661
1662         rt2800usb_rfcsr_write(rt2x00dev, 24, rfcsr24);
1663
1664         rt2800usb_bbp_read(rt2x00dev, 4, &bbp);
1665         rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
1666         rt2800usb_bbp_write(rt2x00dev, 4, bbp);
1667
1668         rt2800usb_rfcsr_read(rt2x00dev, 22, &rfcsr);
1669         rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
1670         rt2800usb_rfcsr_write(rt2x00dev, 22, rfcsr);
1671
1672         /*
1673          * Set power & frequency of passband test tone
1674          */
1675         rt2800usb_bbp_write(rt2x00dev, 24, 0);
1676
1677         for (i = 0; i < 100; i++) {
1678                 rt2800usb_bbp_write(rt2x00dev, 25, 0x90);
1679                 msleep(1);
1680
1681                 rt2800usb_bbp_read(rt2x00dev, 55, &passband);
1682                 if (passband)
1683                         break;
1684         }
1685
1686         /*
1687          * Set power & frequency of stopband test tone
1688          */
1689         rt2800usb_bbp_write(rt2x00dev, 24, 0x06);
1690
1691         for (i = 0; i < 100; i++) {
1692                 rt2800usb_bbp_write(rt2x00dev, 25, 0x90);
1693                 msleep(1);
1694
1695                 rt2800usb_bbp_read(rt2x00dev, 55, &stopband);
1696
1697                 if ((passband - stopband) <= filter_target) {
1698                         rfcsr24++;
1699                         overtuned += ((passband - stopband) == filter_target);
1700                 } else
1701                         break;
1702
1703                 rt2800usb_rfcsr_write(rt2x00dev, 24, rfcsr24);
1704         }
1705
1706         rfcsr24 -= !!overtuned;
1707
1708         rt2800usb_rfcsr_write(rt2x00dev, 24, rfcsr24);
1709         return rfcsr24;
1710 }
1711
1712 static int rt2800usb_init_rfcsr(struct rt2x00_dev *rt2x00dev)
1713 {
1714         u8 rfcsr;
1715         u8 bbp;
1716
1717         if (rt2x00_rev(&rt2x00dev->chip) != RT3070_VERSION)
1718                 return 0;
1719
1720         /*
1721          * Init RF calibration.
1722          */
1723         rt2800usb_rfcsr_read(rt2x00dev, 30, &rfcsr);
1724         rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
1725         rt2800usb_rfcsr_write(rt2x00dev, 30, rfcsr);
1726         msleep(1);
1727         rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
1728         rt2800usb_rfcsr_write(rt2x00dev, 30, rfcsr);
1729
1730         rt2800usb_rfcsr_write(rt2x00dev, 4, 0x40);
1731         rt2800usb_rfcsr_write(rt2x00dev, 5, 0x03);
1732         rt2800usb_rfcsr_write(rt2x00dev, 6, 0x02);
1733         rt2800usb_rfcsr_write(rt2x00dev, 7, 0x70);
1734         rt2800usb_rfcsr_write(rt2x00dev, 9, 0x0f);
1735         rt2800usb_rfcsr_write(rt2x00dev, 10, 0x71);
1736         rt2800usb_rfcsr_write(rt2x00dev, 11, 0x21);
1737         rt2800usb_rfcsr_write(rt2x00dev, 12, 0x7b);
1738         rt2800usb_rfcsr_write(rt2x00dev, 14, 0x90);
1739         rt2800usb_rfcsr_write(rt2x00dev, 15, 0x58);
1740         rt2800usb_rfcsr_write(rt2x00dev, 16, 0xb3);
1741         rt2800usb_rfcsr_write(rt2x00dev, 17, 0x92);
1742         rt2800usb_rfcsr_write(rt2x00dev, 18, 0x2c);
1743         rt2800usb_rfcsr_write(rt2x00dev, 19, 0x02);
1744         rt2800usb_rfcsr_write(rt2x00dev, 20, 0xba);
1745         rt2800usb_rfcsr_write(rt2x00dev, 21, 0xdb);
1746         rt2800usb_rfcsr_write(rt2x00dev, 24, 0x16);
1747         rt2800usb_rfcsr_write(rt2x00dev, 25, 0x01);
1748         rt2800usb_rfcsr_write(rt2x00dev, 27, 0x03);
1749         rt2800usb_rfcsr_write(rt2x00dev, 29, 0x1f);
1750
1751         /*
1752          * Set RX Filter calibration for 20MHz and 40MHz
1753          */
1754         rt2x00dev->calibration[0] =
1755             rt2800usb_init_rx_filter(rt2x00dev, false, 0x07, 0x16);
1756         rt2x00dev->calibration[1] =
1757             rt2800usb_init_rx_filter(rt2x00dev, true, 0x27, 0x19);
1758
1759         /*
1760          * Set back to initial state
1761          */
1762         rt2800usb_bbp_write(rt2x00dev, 24, 0);
1763
1764         rt2800usb_rfcsr_read(rt2x00dev, 22, &rfcsr);
1765         rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
1766         rt2800usb_rfcsr_write(rt2x00dev, 22, rfcsr);
1767
1768         /*
1769          * set BBP back to BW20
1770          */
1771         rt2800usb_bbp_read(rt2x00dev, 4, &bbp);
1772         rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
1773         rt2800usb_bbp_write(rt2x00dev, 4, bbp);
1774
1775         return 0;
1776 }
1777
1778 /*
1779  * Device state switch handlers.
1780  */
1781 static void rt2800usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
1782                                 enum dev_state state)
1783 {
1784         u32 reg;
1785
1786         rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
1787         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX,
1788                            (state == STATE_RADIO_RX_ON) ||
1789                            (state == STATE_RADIO_RX_ON_LINK));
1790         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
1791 }
1792
1793 static int rt2800usb_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
1794 {
1795         unsigned int i;
1796         u32 reg;
1797
1798         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1799                 rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
1800                 if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
1801                     !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
1802                         return 0;
1803
1804                 msleep(1);
1805         }
1806
1807         ERROR(rt2x00dev, "WPDMA TX/RX busy, aborting.\n");
1808         return -EACCES;
1809 }
1810
1811 static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
1812 {
1813         u32 reg;
1814         u16 word;
1815
1816         /*
1817          * Initialize all registers.
1818          */
1819         if (unlikely(rt2800usb_wait_wpdma_ready(rt2x00dev) ||
1820                      rt2800usb_init_registers(rt2x00dev) ||
1821                      rt2800usb_init_bbp(rt2x00dev) ||
1822                      rt2800usb_init_rfcsr(rt2x00dev)))
1823                 return -EIO;
1824
1825         rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
1826         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
1827         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
1828
1829         udelay(50);
1830
1831         rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
1832         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
1833         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
1834         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
1835         rt2x00usb_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
1836
1837
1838         rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, &reg);
1839         rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
1840         /* Don't use bulk in aggregation when working with USB 1.1 */
1841         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN,
1842                            (rt2x00dev->rx->usb_maxpacket == 512));
1843         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
1844         /*
1845          * Total room for RX frames in kilobytes, PBF might still exceed
1846          * this limit so reduce the number to prevent errors.
1847          */
1848         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
1849                            ((RX_ENTRIES * DATA_FRAME_SIZE) / 1024) - 3);
1850         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
1851         rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
1852         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
1853
1854         rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
1855         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
1856         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
1857         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
1858
1859         /*
1860          * Initialize LED control
1861          */
1862         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word);
1863         rt2800usb_mcu_request(rt2x00dev, MCU_LED_1, 0xff,
1864                               word & 0xff, (word >> 8) & 0xff);
1865
1866         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word);
1867         rt2800usb_mcu_request(rt2x00dev, MCU_LED_2, 0xff,
1868                               word & 0xff, (word >> 8) & 0xff);
1869
1870         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word);
1871         rt2800usb_mcu_request(rt2x00dev, MCU_LED_3, 0xff,
1872                               word & 0xff, (word >> 8) & 0xff);
1873
1874         return 0;
1875 }
1876
1877 static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
1878 {
1879         u32 reg;
1880
1881         rt2x00usb_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
1882         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
1883         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
1884         rt2x00usb_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
1885
1886         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
1887         rt2x00usb_register_write(rt2x00dev, PWR_PIN_CFG, 0);
1888         rt2x00usb_register_write(rt2x00dev, TX_PIN_CFG, 0);
1889
1890         /* Wait for DMA, ignore error */
1891         rt2800usb_wait_wpdma_ready(rt2x00dev);
1892
1893         rt2x00usb_disable_radio(rt2x00dev);
1894 }
1895
1896 static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
1897                                enum dev_state state)
1898 {
1899         if (state == STATE_AWAKE)
1900                 rt2800usb_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 0);
1901         else
1902                 rt2800usb_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2);
1903
1904         return 0;
1905 }
1906
1907 static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
1908                                       enum dev_state state)
1909 {
1910         int retval = 0;
1911
1912         switch (state) {
1913         case STATE_RADIO_ON:
1914                 /*
1915                  * Before the radio can be enabled, the device first has
1916                  * to be woken up. After that it needs a bit of time
1917                  * to be fully awake and the radio can be enabled.
1918                  */
1919                 rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
1920                 msleep(1);
1921                 retval = rt2800usb_enable_radio(rt2x00dev);
1922                 break;
1923         case STATE_RADIO_OFF:
1924                 /*
1925                  * After the radio has been disablee, the device should
1926                  * be put to sleep for powersaving.
1927                  */
1928                 rt2800usb_disable_radio(rt2x00dev);
1929                 rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
1930                 break;
1931         case STATE_RADIO_RX_ON:
1932         case STATE_RADIO_RX_ON_LINK:
1933         case STATE_RADIO_RX_OFF:
1934         case STATE_RADIO_RX_OFF_LINK:
1935                 rt2800usb_toggle_rx(rt2x00dev, state);
1936                 break;
1937         case STATE_RADIO_IRQ_ON:
1938         case STATE_RADIO_IRQ_OFF:
1939                 /* No support, but no error either */
1940                 break;
1941         case STATE_DEEP_SLEEP:
1942         case STATE_SLEEP:
1943         case STATE_STANDBY:
1944         case STATE_AWAKE:
1945                 retval = rt2800usb_set_state(rt2x00dev, state);
1946                 break;
1947         default:
1948                 retval = -ENOTSUPP;
1949                 break;
1950         }
1951
1952         if (unlikely(retval))
1953                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
1954                       state, retval);
1955
1956         return retval;
1957 }
1958
1959 /*
1960  * TX descriptor initialization
1961  */
1962 static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1963                                     struct sk_buff *skb,
1964                                     struct txentry_desc *txdesc)
1965 {
1966         struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
1967         __le32 *txi = skbdesc->desc;
1968         __le32 *txwi = &txi[TXINFO_DESC_SIZE / sizeof(__le32)];
1969         u32 word;
1970
1971         /*
1972          * Initialize TX Info descriptor
1973          */
1974         rt2x00_desc_read(txwi, 0, &word);
1975         rt2x00_set_field32(&word, TXWI_W0_FRAG,
1976                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1977         rt2x00_set_field32(&word, TXWI_W0_MIMO_PS, 0);
1978         rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0);
1979         rt2x00_set_field32(&word, TXWI_W0_TS,
1980                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1981         rt2x00_set_field32(&word, TXWI_W0_AMPDU,
1982                            test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags));
1983         rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY, txdesc->mpdu_density);
1984         rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->ifs);
1985         rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->mcs);
1986         rt2x00_set_field32(&word, TXWI_W0_BW,
1987                            test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags));
1988         rt2x00_set_field32(&word, TXWI_W0_SHORT_GI,
1989                            test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags));
1990         rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->stbc);
1991         rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode);
1992         rt2x00_desc_write(txwi, 0, word);
1993
1994         rt2x00_desc_read(txwi, 1, &word);
1995         rt2x00_set_field32(&word, TXWI_W1_ACK,
1996                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1997         rt2x00_set_field32(&word, TXWI_W1_NSEQ,
1998                            test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
1999         rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->ba_size);
2000         rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID,
2001                            test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ?
2002                                txdesc->key_idx : 0xff);
2003         rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
2004                            skb->len - txdesc->l2pad);
2005         rt2x00_set_field32(&word, TXWI_W1_PACKETID,
2006                            skbdesc->entry->entry_idx);
2007         rt2x00_desc_write(txwi, 1, word);
2008
2009         /*
2010          * Always write 0 to IV/EIV fields, hardware will insert the IV
2011          * from the IVEIV register when TXINFO_W0_WIV is set to 0.
2012          * When TXINFO_W0_WIV is set to 1 it will use the IV data
2013          * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which
2014          * crypto entry in the registers should be used to encrypt the frame.
2015          */
2016         _rt2x00_desc_write(txwi, 2, 0 /* skbdesc->iv[0] */);
2017         _rt2x00_desc_write(txwi, 3, 0 /* skbdesc->iv[1] */);
2018
2019         /*
2020          * Initialize TX descriptor
2021          */
2022         rt2x00_desc_read(txi, 0, &word);
2023         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
2024                            skb->len + TXWI_DESC_SIZE);
2025         rt2x00_set_field32(&word, TXINFO_W0_WIV,
2026                            !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
2027         rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
2028         rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
2029         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
2030         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
2031                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
2032         rt2x00_desc_write(txi, 0, word);
2033 }
2034
2035 /*
2036  * TX data initialization
2037  */
2038 static void rt2800usb_write_beacon(struct queue_entry *entry)
2039 {
2040         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
2041         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
2042         unsigned int beacon_base;
2043         u32 reg;
2044
2045         /*
2046          * Add the descriptor in front of the skb.
2047          */
2048         skb_push(entry->skb, entry->queue->desc_size);
2049         memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len);
2050         skbdesc->desc = entry->skb->data;
2051
2052         /*
2053          * Disable beaconing while we are reloading the beacon data,
2054          * otherwise we might be sending out invalid data.
2055          */
2056         rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
2057         rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
2058         rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
2059         rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
2060         rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
2061
2062         /*
2063          * Write entire beacon with descriptor to register.
2064          */
2065         beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
2066         rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
2067                                             USB_VENDOR_REQUEST_OUT, beacon_base,
2068                                             entry->skb->data, entry->skb->len,
2069                                             REGISTER_TIMEOUT32(entry->skb->len));
2070
2071         /*
2072          * Clean up the beacon skb.
2073          */
2074         dev_kfree_skb(entry->skb);
2075         entry->skb = NULL;
2076 }
2077
2078 static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
2079 {
2080         int length;
2081
2082         /*
2083          * The length _must_ include 4 bytes padding,
2084          * it should always be multiple of 4,
2085          * but it must _not_ be a multiple of the USB packet size.
2086          */
2087         length = roundup(entry->skb->len + 4, 4);
2088         length += (4 * !(length % entry->queue->usb_maxpacket));
2089
2090         return length;
2091 }
2092
2093 static void rt2800usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
2094                                     const enum data_queue_qid queue)
2095 {
2096         u32 reg;
2097
2098         if (queue != QID_BEACON) {
2099                 rt2x00usb_kick_tx_queue(rt2x00dev, queue);
2100                 return;
2101         }
2102
2103         rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
2104         if (!rt2x00_get_field32(reg, BCN_TIME_CFG_BEACON_GEN)) {
2105                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
2106                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
2107                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
2108                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
2109         }
2110 }
2111
2112 /*
2113  * RX control handlers
2114  */
2115 static void rt2800usb_fill_rxdone(struct queue_entry *entry,
2116                                   struct rxdone_entry_desc *rxdesc)
2117 {
2118         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
2119         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
2120         __le32 *rxd = (__le32 *)entry->skb->data;
2121         __le32 *rxwi;
2122         u32 rxd0;
2123         u32 rxwi0;
2124         u32 rxwi1;
2125         u32 rxwi2;
2126         u32 rxwi3;
2127
2128         /*
2129          * Copy descriptor to the skbdesc->desc buffer, making it safe from
2130          * moving of frame data in rt2x00usb.
2131          */
2132         memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
2133         rxd = (__le32 *)skbdesc->desc;
2134         rxwi = &rxd[RXD_DESC_SIZE / sizeof(__le32)];
2135
2136         /*
2137          * It is now safe to read the descriptor on all architectures.
2138          */
2139         rt2x00_desc_read(rxd, 0, &rxd0);
2140         rt2x00_desc_read(rxwi, 0, &rxwi0);
2141         rt2x00_desc_read(rxwi, 1, &rxwi1);
2142         rt2x00_desc_read(rxwi, 2, &rxwi2);
2143         rt2x00_desc_read(rxwi, 3, &rxwi3);
2144
2145         if (rt2x00_get_field32(rxd0, RXD_W0_CRC_ERROR))
2146                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
2147
2148         if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) {
2149                 rxdesc->cipher = rt2x00_get_field32(rxwi0, RXWI_W0_UDF);
2150                 rxdesc->cipher_status =
2151                     rt2x00_get_field32(rxd0, RXD_W0_CIPHER_ERROR);
2152         }
2153
2154         if (rt2x00_get_field32(rxd0, RXD_W0_DECRYPTED)) {
2155                 /*
2156                  * Hardware has stripped IV/EIV data from 802.11 frame during
2157                  * decryption. Unfortunately the descriptor doesn't contain
2158                  * any fields with the EIV/IV data either, so they can't
2159                  * be restored by rt2x00lib.
2160                  */
2161                 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
2162
2163                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
2164                         rxdesc->flags |= RX_FLAG_DECRYPTED;
2165                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
2166                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
2167         }
2168
2169         if (rt2x00_get_field32(rxd0, RXD_W0_MY_BSS))
2170                 rxdesc->dev_flags |= RXDONE_MY_BSS;
2171
2172         if (rt2x00_get_field32(rxd0, RXD_W0_L2PAD))
2173                 rxdesc->dev_flags |= RXDONE_L2PAD;
2174
2175         if (rt2x00_get_field32(rxwi1, RXWI_W1_SHORT_GI))
2176                 rxdesc->flags |= RX_FLAG_SHORT_GI;
2177
2178         if (rt2x00_get_field32(rxwi1, RXWI_W1_BW))
2179                 rxdesc->flags |= RX_FLAG_40MHZ;
2180
2181         /*
2182          * Detect RX rate, always use MCS as signal type.
2183          */
2184         rxdesc->dev_flags |= RXDONE_SIGNAL_MCS;
2185         rxdesc->rate_mode = rt2x00_get_field32(rxwi1, RXWI_W1_PHYMODE);
2186         rxdesc->signal = rt2x00_get_field32(rxwi1, RXWI_W1_MCS);
2187
2188         /*
2189          * Mask of 0x8 bit to remove the short preamble flag.
2190          */
2191         if (rxdesc->rate_mode == RATE_MODE_CCK)
2192                 rxdesc->signal &= ~0x8;
2193
2194         rxdesc->rssi =
2195             (rt2x00_get_field32(rxwi2, RXWI_W2_RSSI0) +
2196              rt2x00_get_field32(rxwi2, RXWI_W2_RSSI1)) / 2;
2197
2198         rxdesc->noise =
2199             (rt2x00_get_field32(rxwi3, RXWI_W3_SNR0) +
2200              rt2x00_get_field32(rxwi3, RXWI_W3_SNR1)) / 2;
2201
2202         rxdesc->size = rt2x00_get_field32(rxwi0, RXWI_W0_MPDU_TOTAL_BYTE_COUNT);
2203
2204         /*
2205          * Remove RXWI descriptor from start of buffer.
2206          */
2207         skb_pull(entry->skb, skbdesc->desc_len);
2208         skb_trim(entry->skb, rxdesc->size);
2209 }
2210
2211 /*
2212  * Device probe functions.
2213  */
2214 static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
2215 {
2216         u16 word;
2217         u8 *mac;
2218         u8 default_lna_gain;
2219
2220         rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
2221
2222         /*
2223          * Start validation of the data that has been read.
2224          */
2225         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
2226         if (!is_valid_ether_addr(mac)) {
2227                 DECLARE_MAC_BUF(macbuf);
2228
2229                 random_ether_addr(mac);
2230                 EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
2231         }
2232
2233         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
2234         if (word == 0xffff) {
2235                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
2236                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TXPATH, 1);
2237                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2820);
2238                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
2239                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
2240         } else if (rt2x00_rev(&rt2x00dev->chip) < RT2883_VERSION) {
2241                 /*
2242                  * There is a max of 2 RX streams for RT2870 series
2243                  */
2244                 if (rt2x00_get_field16(word, EEPROM_ANTENNA_RXPATH) > 2)
2245                         rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
2246                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
2247         }
2248
2249         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
2250         if (word == 0xffff) {
2251                 rt2x00_set_field16(&word, EEPROM_NIC_HW_RADIO, 0);
2252                 rt2x00_set_field16(&word, EEPROM_NIC_DYNAMIC_TX_AGC, 0);
2253                 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0);
2254                 rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0);
2255                 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
2256                 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_BG, 0);
2257                 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_SB_A, 0);
2258                 rt2x00_set_field16(&word, EEPROM_NIC_WPS_PBC, 0);
2259                 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_BG, 0);
2260                 rt2x00_set_field16(&word, EEPROM_NIC_BW40M_A, 0);
2261                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
2262                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
2263         }
2264
2265         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
2266         if ((word & 0x00ff) == 0x00ff) {
2267                 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
2268                 rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
2269                                    LED_MODE_TXRX_ACTIVITY);
2270                 rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
2271                 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
2272                 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED1, 0x5555);
2273                 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED2, 0x2221);
2274                 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED3, 0xa9f8);
2275                 EEPROM(rt2x00dev, "Freq: 0x%04x\n", word);
2276         }
2277
2278         /*
2279          * During the LNA validation we are going to use
2280          * lna0 as correct value. Note that EEPROM_LNA
2281          * is never validated.
2282          */
2283         rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
2284         default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
2285
2286         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
2287         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
2288                 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
2289         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
2290                 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
2291         rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
2292
2293         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
2294         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
2295                 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
2296         if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
2297             rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
2298                 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
2299                                    default_lna_gain);
2300         rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
2301
2302         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
2303         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
2304                 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
2305         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
2306                 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
2307         rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
2308
2309         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
2310         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
2311                 rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
2312         if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
2313             rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
2314                 rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
2315                                    default_lna_gain);
2316         rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
2317
2318         return 0;
2319 }
2320
2321 static int rt2800usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
2322 {
2323         u32 reg;
2324         u16 value;
2325         u16 eeprom;
2326
2327         /*
2328          * Read EEPROM word for configuration.
2329          */
2330         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
2331
2332         /*
2333          * Identify RF chipset.
2334          */
2335         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
2336         rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
2337         rt2x00_set_chip(rt2x00dev, RT2870, value, reg);
2338
2339         /*
2340          * The check for rt2860 is not a typo, some rt2870 hardware
2341          * identifies itself as rt2860 in the CSR register.
2342          */
2343         if (!rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28600000) &&
2344             !rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28700000) &&
2345             !rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28800000) &&
2346             !rt2x00_check_rev(&rt2x00dev->chip, 0xffff0000, 0x30700000)) {
2347                 ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
2348                 return -ENODEV;
2349         }
2350
2351         if (!rt2x00_rf(&rt2x00dev->chip, RF2820) &&
2352             !rt2x00_rf(&rt2x00dev->chip, RF2850) &&
2353             !rt2x00_rf(&rt2x00dev->chip, RF2720) &&
2354             !rt2x00_rf(&rt2x00dev->chip, RF2750) &&
2355             !rt2x00_rf(&rt2x00dev->chip, RF3020) &&
2356             !rt2x00_rf(&rt2x00dev->chip, RF2020)) {
2357                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
2358                 return -ENODEV;
2359         }
2360
2361         /*
2362          * Identify default antenna configuration.
2363          */
2364         rt2x00dev->default_ant.tx =
2365             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH);
2366         rt2x00dev->default_ant.rx =
2367             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH);
2368
2369         /*
2370          * Read frequency offset and RF programming sequence.
2371          */
2372         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
2373         rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
2374
2375         /*
2376          * Read external LNA informations.
2377          */
2378         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
2379
2380         if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A))
2381                 __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
2382         if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG))
2383                 __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
2384
2385         /*
2386          * Detect if this device has an hardware controlled radio.
2387          */
2388 #ifdef CONFIG_RT2X00_LIB_RFKILL
2389         if (rt2x00_get_field16(eeprom, EEPROM_NIC_HW_RADIO))
2390                 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
2391 #endif /* CONFIG_RT2X00_LIB_RFKILL */
2392
2393         /*
2394          * Store led settings, for correct led behaviour.
2395          */
2396 #ifdef CONFIG_RT2X00_LIB_LEDS
2397         rt2800usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
2398         rt2800usb_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
2399         rt2800usb_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
2400
2401         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ,
2402                            &rt2x00dev->led_mcu_reg);
2403 #endif /* CONFIG_RT2X00_LIB_LEDS */
2404
2405         return 0;
2406 }
2407
2408 /*
2409  * RF value list for rt2870
2410  * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
2411  */
2412 static const struct rf_channel rf_vals[] = {
2413         { 1,  0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
2414         { 2,  0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
2415         { 3,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
2416         { 4,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
2417         { 5,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
2418         { 6,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
2419         { 7,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
2420         { 8,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
2421         { 9,  0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
2422         { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
2423         { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
2424         { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
2425         { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
2426         { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
2427
2428         /* 802.11 UNI / HyperLan 2 */
2429         { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
2430         { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
2431         { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
2432         { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
2433         { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
2434         { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
2435         { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
2436         { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
2437         { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
2438         { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
2439         { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
2440         { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
2441
2442         /* 802.11 HyperLan 2 */
2443         { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
2444         { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
2445         { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
2446         { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
2447         { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
2448         { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
2449         { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
2450         { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
2451         { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
2452         { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
2453         { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
2454         { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
2455         { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
2456         { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
2457         { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
2458         { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
2459
2460         /* 802.11 UNII */
2461         { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
2462         { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
2463         { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
2464         { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
2465         { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
2466         { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
2467         { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
2468         { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
2469         { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
2470         { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
2471         { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
2472
2473         /* 802.11 Japan */
2474         { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
2475         { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
2476         { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
2477         { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
2478         { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
2479         { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
2480         { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
2481 };
2482
2483 /*
2484  * RF value list for rt3070
2485  * Supports: 2.4 GHz
2486  */
2487 static const struct rf_channel rf_vals_3070[] = {
2488         {1,  241, 2, 2 },
2489         {2,  241, 2, 7 },
2490         {3,  242, 2, 2 },
2491         {4,  242, 2, 7 },
2492         {5,  243, 2, 2 },
2493         {6,  243, 2, 7 },
2494         {7,  244, 2, 2 },
2495         {8,  244, 2, 7 },
2496         {9,  245, 2, 2 },
2497         {10, 245, 2, 7 },
2498         {11, 246, 2, 2 },
2499         {12, 246, 2, 7 },
2500         {13, 247, 2, 2 },
2501         {14, 248, 2, 4 },
2502 };
2503
2504 static int rt2800usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
2505 {
2506         struct hw_mode_spec *spec = &rt2x00dev->spec;
2507         struct channel_info *info;
2508         char *tx_power1;
2509         char *tx_power2;
2510         unsigned int i;
2511         u16 eeprom;
2512
2513         /*
2514          * Initialize all hw fields.
2515          */
2516         rt2x00dev->hw->flags =
2517             IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
2518             IEEE80211_HW_SIGNAL_DBM |
2519             IEEE80211_HW_SUPPORTS_PS |
2520             IEEE80211_HW_PS_NULLFUNC_STACK;
2521         rt2x00dev->hw->extra_tx_headroom = TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
2522
2523         SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
2524         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
2525                                 rt2x00_eeprom_addr(rt2x00dev,
2526                                                    EEPROM_MAC_ADDR_0));
2527
2528         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
2529
2530         /*
2531          * Initialize HT information.
2532          */
2533         spec->ht.ht_supported = true;
2534         spec->ht.cap =
2535             IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
2536             IEEE80211_HT_CAP_GRN_FLD |
2537             IEEE80211_HT_CAP_SGI_20 |
2538             IEEE80211_HT_CAP_SGI_40 |
2539             IEEE80211_HT_CAP_TX_STBC |
2540             IEEE80211_HT_CAP_RX_STBC |
2541             IEEE80211_HT_CAP_PSMP_SUPPORT;
2542         spec->ht.ampdu_factor = 3;
2543         spec->ht.ampdu_density = 4;
2544         spec->ht.mcs.tx_params =
2545             IEEE80211_HT_MCS_TX_DEFINED |
2546             IEEE80211_HT_MCS_TX_RX_DIFF |
2547             ((rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) - 1) <<
2548                 IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
2549
2550         switch (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH)) {
2551         case 3:
2552                 spec->ht.mcs.rx_mask[2] = 0xff;
2553         case 2:
2554                 spec->ht.mcs.rx_mask[1] = 0xff;
2555         case 1:
2556                 spec->ht.mcs.rx_mask[0] = 0xff;
2557                 spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
2558                 break;
2559         }
2560
2561         /*
2562          * Initialize hw_mode information.
2563          */
2564         spec->supported_bands = SUPPORT_BAND_2GHZ;
2565         spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
2566
2567         if (rt2x00_rf(&rt2x00dev->chip, RF2820) ||
2568             rt2x00_rf(&rt2x00dev->chip, RF2720)) {
2569                 spec->num_channels = 14;
2570                 spec->channels = rf_vals;
2571         } else if (rt2x00_rf(&rt2x00dev->chip, RF2850) ||
2572                    rt2x00_rf(&rt2x00dev->chip, RF2750)) {
2573                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
2574                 spec->num_channels = ARRAY_SIZE(rf_vals);
2575                 spec->channels = rf_vals;
2576         } else if (rt2x00_rf(&rt2x00dev->chip, RF3020) ||
2577                    rt2x00_rf(&rt2x00dev->chip, RF2020)) {
2578                 spec->num_channels = ARRAY_SIZE(rf_vals_3070);
2579                 spec->channels = rf_vals_3070;
2580         }
2581
2582         /*
2583          * Create channel information array
2584          */
2585         info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
2586         if (!info)
2587                 return -ENOMEM;
2588
2589         spec->channels_info = info;
2590
2591         tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
2592         tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
2593
2594         for (i = 0; i < 14; i++) {
2595                 info[i].tx_power1 = TXPOWER_G_FROM_DEV(tx_power1[i]);
2596                 info[i].tx_power2 = TXPOWER_G_FROM_DEV(tx_power2[i]);
2597         }
2598
2599         if (spec->num_channels > 14) {
2600                 tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
2601                 tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
2602
2603                 for (i = 14; i < spec->num_channels; i++) {
2604                         info[i].tx_power1 = TXPOWER_A_FROM_DEV(tx_power1[i]);
2605                         info[i].tx_power2 = TXPOWER_A_FROM_DEV(tx_power2[i]);
2606                 }
2607         }
2608
2609         return 0;
2610 }
2611
2612 static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
2613 {
2614         int retval;
2615
2616         /*
2617          * Allocate eeprom data.
2618          */
2619         retval = rt2800usb_validate_eeprom(rt2x00dev);
2620         if (retval)
2621                 return retval;
2622
2623         retval = rt2800usb_init_eeprom(rt2x00dev);
2624         if (retval)
2625                 return retval;
2626
2627         /*
2628          * Initialize hw specifications.
2629          */
2630         retval = rt2800usb_probe_hw_mode(rt2x00dev);
2631         if (retval)
2632                 return retval;
2633
2634         /*
2635          * This device requires firmware.
2636          */
2637         __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
2638         __set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags);
2639         __set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags);
2640         if (!modparam_nohwcrypt)
2641                 __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
2642
2643         /*
2644          * Set the rssi offset.
2645          */
2646         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
2647
2648         return 0;
2649 }
2650
2651 /*
2652  * IEEE80211 stack callback functions.
2653  */
2654 static void rt2800usb_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx,
2655                                    u32 *iv32, u16 *iv16)
2656 {
2657         struct rt2x00_dev *rt2x00dev = hw->priv;
2658         struct mac_iveiv_entry iveiv_entry;
2659         u32 offset;
2660
2661         offset = MAC_IVEIV_ENTRY(hw_key_idx);
2662         rt2x00usb_register_multiread(rt2x00dev, offset,
2663                                       &iveiv_entry, sizeof(iveiv_entry));
2664
2665         memcpy(&iveiv_entry.iv[0], iv16, sizeof(iv16));
2666         memcpy(&iveiv_entry.iv[4], iv32, sizeof(iv32));
2667 }
2668
2669 static int rt2800usb_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
2670 {
2671         struct rt2x00_dev *rt2x00dev = hw->priv;
2672         u32 reg;
2673         bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
2674
2675         rt2x00usb_register_read(rt2x00dev, TX_RTS_CFG, &reg);
2676         rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
2677         rt2x00usb_register_write(rt2x00dev, TX_RTS_CFG, reg);
2678
2679         rt2x00usb_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
2680         rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
2681         rt2x00usb_register_write(rt2x00dev, CCK_PROT_CFG, reg);
2682
2683         rt2x00usb_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
2684         rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
2685         rt2x00usb_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
2686
2687         rt2x00usb_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
2688         rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
2689         rt2x00usb_register_write(rt2x00dev, MM20_PROT_CFG, reg);
2690
2691         rt2x00usb_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
2692         rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
2693         rt2x00usb_register_write(rt2x00dev, MM40_PROT_CFG, reg);
2694
2695         rt2x00usb_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
2696         rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
2697         rt2x00usb_register_write(rt2x00dev, GF20_PROT_CFG, reg);
2698
2699         rt2x00usb_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
2700         rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
2701         rt2x00usb_register_write(rt2x00dev, GF40_PROT_CFG, reg);
2702
2703         return 0;
2704 }
2705
2706 static int rt2800usb_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
2707                              const struct ieee80211_tx_queue_params *params)
2708 {
2709         struct rt2x00_dev *rt2x00dev = hw->priv;
2710         struct data_queue *queue;
2711         struct rt2x00_field32 field;
2712         int retval;
2713         u32 reg;
2714         u32 offset;
2715
2716         /*
2717          * First pass the configuration through rt2x00lib, that will
2718          * update the queue settings and validate the input. After that
2719          * we are free to update the registers based on the value
2720          * in the queue parameter.
2721          */
2722         retval = rt2x00mac_conf_tx(hw, queue_idx, params);
2723         if (retval)
2724                 return retval;
2725
2726         /*
2727          * We only need to perform additional register initialization
2728          * for WMM queues/
2729          */
2730         if (queue_idx >= 4)
2731                 return 0;
2732
2733         queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
2734
2735         /* Update WMM TXOP register */
2736         offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
2737         field.bit_offset = (queue_idx & 1) * 16;
2738         field.bit_mask = 0xffff << field.bit_offset;
2739
2740         rt2x00usb_register_read(rt2x00dev, offset, &reg);
2741         rt2x00_set_field32(&reg, field, queue->txop);
2742         rt2x00usb_register_write(rt2x00dev, offset, reg);
2743
2744         /* Update WMM registers */
2745         field.bit_offset = queue_idx * 4;
2746         field.bit_mask = 0xf << field.bit_offset;
2747
2748         rt2x00usb_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
2749         rt2x00_set_field32(&reg, field, queue->aifs);
2750         rt2x00usb_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
2751
2752         rt2x00usb_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
2753         rt2x00_set_field32(&reg, field, queue->cw_min);
2754         rt2x00usb_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
2755
2756         rt2x00usb_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
2757         rt2x00_set_field32(&reg, field, queue->cw_max);
2758         rt2x00usb_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
2759
2760         /* Update EDCA registers */
2761         offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
2762
2763         rt2x00usb_register_read(rt2x00dev, offset, &reg);
2764         rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
2765         rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
2766         rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
2767         rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
2768         rt2x00usb_register_write(rt2x00dev, offset, reg);
2769
2770         return 0;
2771 }
2772
2773 static u64 rt2800usb_get_tsf(struct ieee80211_hw *hw)
2774 {
2775         struct rt2x00_dev *rt2x00dev = hw->priv;
2776         u64 tsf;
2777         u32 reg;
2778
2779         rt2x00usb_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
2780         tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
2781         rt2x00usb_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
2782         tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
2783
2784         return tsf;
2785 }
2786
2787 static const struct ieee80211_ops rt2800usb_mac80211_ops = {
2788         .tx                     = rt2x00mac_tx,
2789         .start                  = rt2x00mac_start,
2790         .stop                   = rt2x00mac_stop,
2791         .add_interface          = rt2x00mac_add_interface,
2792         .remove_interface       = rt2x00mac_remove_interface,
2793         .config                 = rt2x00mac_config,
2794         .configure_filter       = rt2x00mac_configure_filter,
2795         .set_key                = rt2x00mac_set_key,
2796         .get_stats              = rt2x00mac_get_stats,
2797         .get_tkip_seq           = rt2800usb_get_tkip_seq,
2798         .set_rts_threshold      = rt2800usb_set_rts_threshold,
2799         .bss_info_changed       = rt2x00mac_bss_info_changed,
2800         .conf_tx                = rt2800usb_conf_tx,
2801         .get_tx_stats           = rt2x00mac_get_tx_stats,
2802         .get_tsf                = rt2800usb_get_tsf,
2803 };
2804
2805 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
2806         .probe_hw               = rt2800usb_probe_hw,
2807         .get_firmware_name      = rt2800usb_get_firmware_name,
2808         .check_firmware         = rt2800usb_check_firmware,
2809         .load_firmware          = rt2800usb_load_firmware,
2810         .initialize             = rt2x00usb_initialize,
2811         .uninitialize           = rt2x00usb_uninitialize,
2812         .clear_entry            = rt2x00usb_clear_entry,
2813         .set_device_state       = rt2800usb_set_device_state,
2814         .rfkill_poll            = rt2800usb_rfkill_poll,
2815         .link_stats             = rt2800usb_link_stats,
2816         .reset_tuner            = rt2800usb_reset_tuner,
2817         .link_tuner             = rt2800usb_link_tuner,
2818         .write_tx_desc          = rt2800usb_write_tx_desc,
2819         .write_tx_data          = rt2x00usb_write_tx_data,
2820         .write_beacon           = rt2800usb_write_beacon,
2821         .get_tx_data_len        = rt2800usb_get_tx_data_len,
2822         .kick_tx_queue          = rt2800usb_kick_tx_queue,
2823         .kill_tx_queue          = rt2x00usb_kill_tx_queue,
2824         .fill_rxdone            = rt2800usb_fill_rxdone,
2825         .config_shared_key      = rt2800usb_config_shared_key,
2826         .config_pairwise_key    = rt2800usb_config_pairwise_key,
2827         .config_filter          = rt2800usb_config_filter,
2828         .config_intf            = rt2800usb_config_intf,
2829         .config_erp             = rt2800usb_config_erp,
2830         .config_ant             = rt2800usb_config_ant,
2831         .config                 = rt2800usb_config,
2832 };
2833
2834 static const struct data_queue_desc rt2800usb_queue_rx = {
2835         .entry_num              = RX_ENTRIES,
2836         .data_size              = AGGREGATION_SIZE,
2837         .desc_size              = RXD_DESC_SIZE + RXWI_DESC_SIZE,
2838         .priv_size              = sizeof(struct queue_entry_priv_usb),
2839 };
2840
2841 static const struct data_queue_desc rt2800usb_queue_tx = {
2842         .entry_num              = TX_ENTRIES,
2843         .data_size              = AGGREGATION_SIZE,
2844         .desc_size              = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
2845         .priv_size              = sizeof(struct queue_entry_priv_usb),
2846 };
2847
2848 static const struct data_queue_desc rt2800usb_queue_bcn = {
2849         .entry_num              = 8 * BEACON_ENTRIES,
2850         .data_size              = MGMT_FRAME_SIZE,
2851         .desc_size              = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
2852         .priv_size              = sizeof(struct queue_entry_priv_usb),
2853 };
2854
2855 static const struct rt2x00_ops rt2800usb_ops = {
2856         .name           = KBUILD_MODNAME,
2857         .max_sta_intf   = 1,
2858         .max_ap_intf    = 8,
2859         .eeprom_size    = EEPROM_SIZE,
2860         .rf_size        = RF_SIZE,
2861         .tx_queues      = NUM_TX_QUEUES,
2862         .rx             = &rt2800usb_queue_rx,
2863         .tx             = &rt2800usb_queue_tx,
2864         .bcn            = &rt2800usb_queue_bcn,
2865         .lib            = &rt2800usb_rt2x00_ops,
2866         .hw             = &rt2800usb_mac80211_ops,
2867 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
2868         .debugfs        = &rt2800usb_rt2x00debug,
2869 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
2870 };
2871
2872 /*
2873  * rt2800usb module information.
2874  */
2875 static struct usb_device_id rt2800usb_device_table[] = {
2876         /* Abocom */
2877         { USB_DEVICE(0x07b8, 0x2870), USB_DEVICE_DATA(&rt2800usb_ops) },
2878         { USB_DEVICE(0x07b8, 0x2770), USB_DEVICE_DATA(&rt2800usb_ops) },
2879         { USB_DEVICE(0x07b8, 0x3070), USB_DEVICE_DATA(&rt2800usb_ops) },
2880         { USB_DEVICE(0x07b8, 0x3071), USB_DEVICE_DATA(&rt2800usb_ops) },
2881         { USB_DEVICE(0x07b8, 0x3072), USB_DEVICE_DATA(&rt2800usb_ops) },
2882         { USB_DEVICE(0x1482, 0x3c09), USB_DEVICE_DATA(&rt2800usb_ops) },
2883         /* AirTies */
2884         { USB_DEVICE(0x1eda, 0x2310), USB_DEVICE_DATA(&rt2800usb_ops) },
2885         /* Amigo */
2886         { USB_DEVICE(0x0e0b, 0x9031), USB_DEVICE_DATA(&rt2800usb_ops) },
2887         { USB_DEVICE(0x0e0b, 0x9041), USB_DEVICE_DATA(&rt2800usb_ops) },
2888         /* Amit */
2889         { USB_DEVICE(0x15c5, 0x0008), USB_DEVICE_DATA(&rt2800usb_ops) },
2890         /* ASUS */
2891         { USB_DEVICE(0x0b05, 0x1731), USB_DEVICE_DATA(&rt2800usb_ops) },
2892         { USB_DEVICE(0x0b05, 0x1732), USB_DEVICE_DATA(&rt2800usb_ops) },
2893         { USB_DEVICE(0x0b05, 0x1742), USB_DEVICE_DATA(&rt2800usb_ops) },
2894         { USB_DEVICE(0x0b05, 0x1760), USB_DEVICE_DATA(&rt2800usb_ops) },
2895         { USB_DEVICE(0x0b05, 0x1761), USB_DEVICE_DATA(&rt2800usb_ops) },
2896         /* AzureWave */
2897         { USB_DEVICE(0x13d3, 0x3247), USB_DEVICE_DATA(&rt2800usb_ops) },
2898         { USB_DEVICE(0x13d3, 0x3262), USB_DEVICE_DATA(&rt2800usb_ops) },
2899         { USB_DEVICE(0x13d3, 0x3273), USB_DEVICE_DATA(&rt2800usb_ops) },
2900         { USB_DEVICE(0x13d3, 0x3284), USB_DEVICE_DATA(&rt2800usb_ops) },
2901         /* Belkin */
2902         { USB_DEVICE(0x050d, 0x8053), USB_DEVICE_DATA(&rt2800usb_ops) },
2903         { USB_DEVICE(0x050d, 0x805c), USB_DEVICE_DATA(&rt2800usb_ops) },
2904         { USB_DEVICE(0x050d, 0x815c), USB_DEVICE_DATA(&rt2800usb_ops) },
2905         { USB_DEVICE(0x050d, 0x825a), USB_DEVICE_DATA(&rt2800usb_ops) },
2906         /* Buffalo */
2907         { USB_DEVICE(0x0411, 0x00e8), USB_DEVICE_DATA(&rt2800usb_ops) },
2908         { USB_DEVICE(0x0411, 0x012e), USB_DEVICE_DATA(&rt2800usb_ops) },
2909         /* Conceptronic */
2910         { USB_DEVICE(0x14b2, 0x3c06), USB_DEVICE_DATA(&rt2800usb_ops) },
2911         { USB_DEVICE(0x14b2, 0x3c07), USB_DEVICE_DATA(&rt2800usb_ops) },
2912         { USB_DEVICE(0x14b2, 0x3c08), USB_DEVICE_DATA(&rt2800usb_ops) },
2913         { USB_DEVICE(0x14b2, 0x3c09), USB_DEVICE_DATA(&rt2800usb_ops) },
2914         { USB_DEVICE(0x14b2, 0x3c11), USB_DEVICE_DATA(&rt2800usb_ops) },
2915         { USB_DEVICE(0x14b2, 0x3c12), USB_DEVICE_DATA(&rt2800usb_ops) },
2916         { USB_DEVICE(0x14b2, 0x3c23), USB_DEVICE_DATA(&rt2800usb_ops) },
2917         { USB_DEVICE(0x14b2, 0x3c25), USB_DEVICE_DATA(&rt2800usb_ops) },
2918         { USB_DEVICE(0x14b2, 0x3c27), USB_DEVICE_DATA(&rt2800usb_ops) },
2919         { USB_DEVICE(0x14b2, 0x3c28), USB_DEVICE_DATA(&rt2800usb_ops) },
2920         /* Corega */
2921         { USB_DEVICE(0x07aa, 0x002f), USB_DEVICE_DATA(&rt2800usb_ops) },
2922         { USB_DEVICE(0x07aa, 0x003c), USB_DEVICE_DATA(&rt2800usb_ops) },
2923         { USB_DEVICE(0x07aa, 0x003f), USB_DEVICE_DATA(&rt2800usb_ops) },
2924         { USB_DEVICE(0x18c5, 0x0008), USB_DEVICE_DATA(&rt2800usb_ops) },
2925         { USB_DEVICE(0x18c5, 0x0012), USB_DEVICE_DATA(&rt2800usb_ops) },
2926         /* D-Link */
2927         { USB_DEVICE(0x07d1, 0x3c09), USB_DEVICE_DATA(&rt2800usb_ops) },
2928         { USB_DEVICE(0x07d1, 0x3c0a), USB_DEVICE_DATA(&rt2800usb_ops) },
2929         { USB_DEVICE(0x07d1, 0x3c0b), USB_DEVICE_DATA(&rt2800usb_ops) },
2930         { USB_DEVICE(0x07d1, 0x3c0d), USB_DEVICE_DATA(&rt2800usb_ops) },
2931         { USB_DEVICE(0x07d1, 0x3c0e), USB_DEVICE_DATA(&rt2800usb_ops) },
2932         { USB_DEVICE(0x07d1, 0x3c0f), USB_DEVICE_DATA(&rt2800usb_ops) },
2933         { USB_DEVICE(0x07d1, 0x3c11), USB_DEVICE_DATA(&rt2800usb_ops) },
2934         { USB_DEVICE(0x07d1, 0x3c13), USB_DEVICE_DATA(&rt2800usb_ops) },
2935         /* Edimax */
2936         { USB_DEVICE(0x7392, 0x7711), USB_DEVICE_DATA(&rt2800usb_ops) },
2937         { USB_DEVICE(0x7392, 0x7717), USB_DEVICE_DATA(&rt2800usb_ops) },
2938         { USB_DEVICE(0x7392, 0x7718), USB_DEVICE_DATA(&rt2800usb_ops) },
2939         /* Encore */
2940         { USB_DEVICE(0x203d, 0x1480), USB_DEVICE_DATA(&rt2800usb_ops) },
2941         /* EnGenius */
2942         { USB_DEVICE(0X1740, 0x9701), USB_DEVICE_DATA(&rt2800usb_ops) },
2943         { USB_DEVICE(0x1740, 0x9702), USB_DEVICE_DATA(&rt2800usb_ops) },
2944         { USB_DEVICE(0x1740, 0x9703), USB_DEVICE_DATA(&rt2800usb_ops) },
2945         { USB_DEVICE(0x1740, 0x9705), USB_DEVICE_DATA(&rt2800usb_ops) },
2946         { USB_DEVICE(0x1740, 0x9706), USB_DEVICE_DATA(&rt2800usb_ops) },
2947         { USB_DEVICE(0x1740, 0x9801), USB_DEVICE_DATA(&rt2800usb_ops) },
2948         /* Gemtek */
2949         { USB_DEVICE(0x15a9, 0x0010), USB_DEVICE_DATA(&rt2800usb_ops) },
2950         /* Gigabyte */
2951         { USB_DEVICE(0x1044, 0x800b), USB_DEVICE_DATA(&rt2800usb_ops) },
2952         { USB_DEVICE(0x1044, 0x800c), USB_DEVICE_DATA(&rt2800usb_ops) },
2953         { USB_DEVICE(0x1044, 0x800d), USB_DEVICE_DATA(&rt2800usb_ops) },
2954         /* Hawking */
2955         { USB_DEVICE(0x0e66, 0x0001), USB_DEVICE_DATA(&rt2800usb_ops) },
2956         { USB_DEVICE(0x0e66, 0x0003), USB_DEVICE_DATA(&rt2800usb_ops) },
2957         { USB_DEVICE(0x0e66, 0x0009), USB_DEVICE_DATA(&rt2800usb_ops) },
2958         { USB_DEVICE(0x0e66, 0x000b), USB_DEVICE_DATA(&rt2800usb_ops) },
2959         /* I-O DATA */
2960         { USB_DEVICE(0x04bb, 0x0945), USB_DEVICE_DATA(&rt2800usb_ops) },
2961         /* LevelOne */
2962         { USB_DEVICE(0x1740, 0x0605), USB_DEVICE_DATA(&rt2800usb_ops) },
2963         { USB_DEVICE(0x1740, 0x0615), USB_DEVICE_DATA(&rt2800usb_ops) },
2964         /* Linksys */
2965         { USB_DEVICE(0x1737, 0x0070), USB_DEVICE_DATA(&rt2800usb_ops) },
2966         { USB_DEVICE(0x1737, 0x0071), USB_DEVICE_DATA(&rt2800usb_ops) },
2967         { USB_DEVICE(0x1737, 0x0077), USB_DEVICE_DATA(&rt2800usb_ops) },
2968         /* Logitec */
2969         { USB_DEVICE(0x0789, 0x0162), USB_DEVICE_DATA(&rt2800usb_ops) },
2970         { USB_DEVICE(0x0789, 0x0163), USB_DEVICE_DATA(&rt2800usb_ops) },
2971         { USB_DEVICE(0x0789, 0x0164), USB_DEVICE_DATA(&rt2800usb_ops) },
2972         /* Motorola */
2973         { USB_DEVICE(0x100d, 0x9031), USB_DEVICE_DATA(&rt2800usb_ops) },
2974         { USB_DEVICE(0x100d, 0x9032), USB_DEVICE_DATA(&rt2800usb_ops) },
2975         /* Ovislink */
2976         { USB_DEVICE(0x1b75, 0x3072), USB_DEVICE_DATA(&rt2800usb_ops) },
2977         /* Pegatron */
2978         { USB_DEVICE(0x1d4d, 0x0002), USB_DEVICE_DATA(&rt2800usb_ops) },
2979         { USB_DEVICE(0x1d4d, 0x000c), USB_DEVICE_DATA(&rt2800usb_ops) },
2980         { USB_DEVICE(0x1d4d, 0x000e), USB_DEVICE_DATA(&rt2800usb_ops) },
2981         /* Philips */
2982         { USB_DEVICE(0x0471, 0x200f), USB_DEVICE_DATA(&rt2800usb_ops) },
2983         /* Planex */
2984         { USB_DEVICE(0x2019, 0xed06), USB_DEVICE_DATA(&rt2800usb_ops) },
2985         { USB_DEVICE(0x2019, 0xab24), USB_DEVICE_DATA(&rt2800usb_ops) },
2986         { USB_DEVICE(0x2019, 0xab25), USB_DEVICE_DATA(&rt2800usb_ops) },
2987         /* Qcom */
2988         { USB_DEVICE(0x18e8, 0x6259), USB_DEVICE_DATA(&rt2800usb_ops) },
2989         /* Quanta */
2990         { USB_DEVICE(0x1a32, 0x0304), USB_DEVICE_DATA(&rt2800usb_ops) },
2991         /* Ralink */
2992         { USB_DEVICE(0x0db0, 0x3820), USB_DEVICE_DATA(&rt2800usb_ops) },
2993         { USB_DEVICE(0x0db0, 0x6899), USB_DEVICE_DATA(&rt2800usb_ops) },
2994         { USB_DEVICE(0x148f, 0x2070), USB_DEVICE_DATA(&rt2800usb_ops) },
2995         { USB_DEVICE(0x148f, 0x2770), USB_DEVICE_DATA(&rt2800usb_ops) },
2996         { USB_DEVICE(0x148f, 0x2870), USB_DEVICE_DATA(&rt2800usb_ops) },
2997         { USB_DEVICE(0x148f, 0x3070), USB_DEVICE_DATA(&rt2800usb_ops) },
2998         { USB_DEVICE(0x148f, 0x3071), USB_DEVICE_DATA(&rt2800usb_ops) },
2999         { USB_DEVICE(0x148f, 0x3072), USB_DEVICE_DATA(&rt2800usb_ops) },
3000         { USB_DEVICE(0x148f, 0x3572), USB_DEVICE_DATA(&rt2800usb_ops) },
3001         /* Samsung */
3002         { USB_DEVICE(0x04e8, 0x2018), USB_DEVICE_DATA(&rt2800usb_ops) },
3003         /* Siemens */
3004         { USB_DEVICE(0x129b, 0x1828), USB_DEVICE_DATA(&rt2800usb_ops) },
3005         /* Sitecom */
3006         { USB_DEVICE(0x0df6, 0x0017), USB_DEVICE_DATA(&rt2800usb_ops) },
3007         { USB_DEVICE(0x0df6, 0x002b), USB_DEVICE_DATA(&rt2800usb_ops) },
3008         { USB_DEVICE(0x0df6, 0x002c), USB_DEVICE_DATA(&rt2800usb_ops) },
3009         { USB_DEVICE(0x0df6, 0x002d), USB_DEVICE_DATA(&rt2800usb_ops) },
3010         { USB_DEVICE(0x0df6, 0x0039), USB_DEVICE_DATA(&rt2800usb_ops) },
3011         { USB_DEVICE(0x0df6, 0x003b), USB_DEVICE_DATA(&rt2800usb_ops) },
3012         { USB_DEVICE(0x0df6, 0x003c), USB_DEVICE_DATA(&rt2800usb_ops) },
3013         { USB_DEVICE(0x0df6, 0x003d), USB_DEVICE_DATA(&rt2800usb_ops) },
3014         { USB_DEVICE(0x0df6, 0x003e), USB_DEVICE_DATA(&rt2800usb_ops) },
3015         { USB_DEVICE(0x0df6, 0x003f), USB_DEVICE_DATA(&rt2800usb_ops) },
3016         { USB_DEVICE(0x0df6, 0x0040), USB_DEVICE_DATA(&rt2800usb_ops) },
3017         { USB_DEVICE(0x0df6, 0x0042), USB_DEVICE_DATA(&rt2800usb_ops) },
3018         /* SMC */
3019         { USB_DEVICE(0x083a, 0x6618), USB_DEVICE_DATA(&rt2800usb_ops) },
3020         { USB_DEVICE(0x083a, 0x7511), USB_DEVICE_DATA(&rt2800usb_ops) },
3021         { USB_DEVICE(0x083a, 0x7512), USB_DEVICE_DATA(&rt2800usb_ops) },
3022         { USB_DEVICE(0x083a, 0x7522), USB_DEVICE_DATA(&rt2800usb_ops) },
3023         { USB_DEVICE(0x083a, 0x8522), USB_DEVICE_DATA(&rt2800usb_ops) },
3024         { USB_DEVICE(0x083a, 0xa512), USB_DEVICE_DATA(&rt2800usb_ops) },
3025         { USB_DEVICE(0x083a, 0xa618), USB_DEVICE_DATA(&rt2800usb_ops) },
3026         { USB_DEVICE(0x083a, 0xb522), USB_DEVICE_DATA(&rt2800usb_ops) },
3027         { USB_DEVICE(0x083a, 0xc522), USB_DEVICE_DATA(&rt2800usb_ops) },
3028         /* Sparklan */
3029         { USB_DEVICE(0x15a9, 0x0006), USB_DEVICE_DATA(&rt2800usb_ops) },
3030         /* Sweex */
3031         { USB_DEVICE(0x177f, 0x0153), USB_DEVICE_DATA(&rt2800usb_ops) },
3032         { USB_DEVICE(0x177f, 0x0302), USB_DEVICE_DATA(&rt2800usb_ops) },
3033         { USB_DEVICE(0x177f, 0x0313), USB_DEVICE_DATA(&rt2800usb_ops) },
3034         /* U-Media*/
3035         { USB_DEVICE(0x157e, 0x300e), USB_DEVICE_DATA(&rt2800usb_ops) },
3036         /* ZCOM */
3037         { USB_DEVICE(0x0cde, 0x0022), USB_DEVICE_DATA(&rt2800usb_ops) },
3038         { USB_DEVICE(0x0cde, 0x0025), USB_DEVICE_DATA(&rt2800usb_ops) },
3039         /* Zinwell */
3040         { USB_DEVICE(0x5a57, 0x0280), USB_DEVICE_DATA(&rt2800usb_ops) },
3041         { USB_DEVICE(0x5a57, 0x0282), USB_DEVICE_DATA(&rt2800usb_ops) },
3042         { USB_DEVICE(0x5a57, 0x0283), USB_DEVICE_DATA(&rt2800usb_ops) },
3043         { USB_DEVICE(0x5a57, 0x5257), USB_DEVICE_DATA(&rt2800usb_ops) },
3044         /* Zyxel */
3045         { USB_DEVICE(0x0586, 0x3416), USB_DEVICE_DATA(&rt2800usb_ops) },
3046         { USB_DEVICE(0x0586, 0x341a), USB_DEVICE_DATA(&rt2800usb_ops) },
3047         { 0, }
3048 };
3049
3050 MODULE_AUTHOR(DRV_PROJECT);
3051 MODULE_VERSION(DRV_VERSION);
3052 MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
3053 MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
3054 MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
3055 MODULE_FIRMWARE(FIRMWARE_RT2870);
3056 MODULE_LICENSE("GPL");
3057
3058 static struct usb_driver rt2800usb_driver = {
3059         .name           = KBUILD_MODNAME,
3060         .id_table       = rt2800usb_device_table,
3061         .probe          = rt2x00usb_probe,
3062         .disconnect     = rt2x00usb_disconnect,
3063         .suspend        = rt2x00usb_suspend,
3064         .resume         = rt2x00usb_resume,
3065 };
3066
3067 static int __init rt2800usb_init(void)
3068 {
3069         return usb_register(&rt2800usb_driver);
3070 }
3071
3072 static void __exit rt2800usb_exit(void)
3073 {
3074         usb_deregister(&rt2800usb_driver);
3075 }
3076
3077 module_init(rt2800usb_init);
3078 module_exit(rt2800usb_exit);