drivers/net/wireless/rt2x00/rt2500pci.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: rt2500pci
  23         Abstract: rt2500pci device specific routines.
  24         Supported chipsets: RT2560.
  25  */
  26
  27 #include <linux/delay.h>
  28 #include <linux/etherdevice.h>
  29 #include <linux/init.h>
  30 #include <linux/kernel.h>
  31 #include <linux/module.h>
  32 #include <linux/pci.h>
  33 #include <linux/eeprom_93cx6.h>
  34
  35 #include "rt2x00.h"
  36 #include "rt2x00pci.h"
  37 #include "rt2500pci.h"
  38
  39 /*
  40  * Register access.
  41  * All access to the CSR registers will go through the methods
  42  * rt2x00pci_register_read and rt2x00pci_register_write.
  43  * BBP and RF register require indirect register access,
  44  * and use the CSR registers BBPCSR and RFCSR to achieve this.
  45  * These indirect registers work with busy bits,
  46  * and we will try maximal REGISTER_BUSY_COUNT times to access
  47  * the register while taking a REGISTER_BUSY_DELAY us delay
  48  * between each attampt. When the busy bit is still set at that time,
  49  * the access attempt is considered to have failed,
  50  * and we will print an error.
  51  */
  52 #define WAIT_FOR_BBP(__dev, __reg) \
  53         rt2x00pci_regbusy_read((__dev), BBPCSR, BBPCSR_BUSY, (__reg))
  54 #define WAIT_FOR_RF(__dev, __reg) \
  55         rt2x00pci_regbusy_read((__dev), RFCSR, RFCSR_BUSY, (__reg))
  56
  57 static void rt2500pci_bbp_write(struct rt2x00_dev *rt2x00dev,
  58                                 const unsigned int word, const u8 value)
  59 {
  60         u32 reg;
  61
  62         mutex_lock(&rt2x00dev->csr_mutex);
  63
  64         /*
  65          * Wait until the BBP becomes available, afterwards we
  66          * can safely write the new data into the register.
  67          */
  68         if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
  69                 reg = 0;
  70                 rt2x00_set_field32(&reg, BBPCSR_VALUE, value);
  71                 rt2x00_set_field32(&reg, BBPCSR_REGNUM, word);
  72                 rt2x00_set_field32(&reg, BBPCSR_BUSY, 1);
  73                 rt2x00_set_field32(&reg, BBPCSR_WRITE_CONTROL, 1);
  74
  75                 rt2x00pci_register_write(rt2x00dev, BBPCSR, reg);
  76         }
  77
  78         mutex_unlock(&rt2x00dev->csr_mutex);
  79 }
  80
  81 static void rt2500pci_bbp_read(struct rt2x00_dev *rt2x00dev,
  82                                const unsigned int word, u8 *value)
  83 {
  84         u32 reg;
  85
  86         mutex_lock(&rt2x00dev->csr_mutex);
  87
  88         /*
  89          * Wait until the BBP becomes available, afterwards we
  90          * can safely write the read request into the register.
  91          * After the data has been written, we wait until hardware
  92          * returns the correct value, if at any time the register
  93          * doesn't become available in time, reg will be 0xffffffff
  94          * which means we return 0xff to the caller.
  95          */
  96         if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
  97                 reg = 0;
  98                 rt2x00_set_field32(&reg, BBPCSR_REGNUM, word);
  99                 rt2x00_set_field32(&reg, BBPCSR_BUSY, 1);
 100                 rt2x00_set_field32(&reg, BBPCSR_WRITE_CONTROL, 0);
 101
 102                 rt2x00pci_register_write(rt2x00dev, BBPCSR, reg);
 103
 104                 WAIT_FOR_BBP(rt2x00dev, &reg);
 105         }
 106
 107         *value = rt2x00_get_field32(reg, BBPCSR_VALUE);
 108
 109         mutex_unlock(&rt2x00dev->csr_mutex);
 110 }
 111
 112 static void rt2500pci_rf_write(struct rt2x00_dev *rt2x00dev,
 113                                const unsigned int word, const u32 value)
 114 {
 115         u32 reg;
 116
 117         mutex_lock(&rt2x00dev->csr_mutex);
 118
 119         /*
 120          * Wait until the RF becomes available, afterwards we
 121          * can safely write the new data into the register.
 122          */
 123         if (WAIT_FOR_RF(rt2x00dev, &reg)) {
 124                 reg = 0;
 125                 rt2x00_set_field32(&reg, RFCSR_VALUE, value);
 126                 rt2x00_set_field32(&reg, RFCSR_NUMBER_OF_BITS, 20);
 127                 rt2x00_set_field32(&reg, RFCSR_IF_SELECT, 0);
 128                 rt2x00_set_field32(&reg, RFCSR_BUSY, 1);
 129
 130                 rt2x00pci_register_write(rt2x00dev, RFCSR, reg);
 131                 rt2x00_rf_write(rt2x00dev, word, value);
 132         }
 133
 134         mutex_unlock(&rt2x00dev->csr_mutex);
 135 }
 136
 137 static void rt2500pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
 138 {
 139         struct rt2x00_dev *rt2x00dev = eeprom->data;
 140         u32 reg;
 141
 142         rt2x00pci_register_read(rt2x00dev, CSR21, &reg);
 143
 144         eeprom->reg_data_in = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_IN);
 145         eeprom->reg_data_out = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_OUT);
 146         eeprom->reg_data_clock =
 147             !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_CLOCK);
 148         eeprom->reg_chip_select =
 149             !!rt2x00_get_field32(reg, CSR21_EEPROM_CHIP_SELECT);
 150 }
 151
 152 static void rt2500pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
 153 {
 154         struct rt2x00_dev *rt2x00dev = eeprom->data;
 155         u32 reg = 0;
 156
 157         rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_IN, !!eeprom->reg_data_in);
 158         rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_OUT, !!eeprom->reg_data_out);
 159         rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_CLOCK,
 160                            !!eeprom->reg_data_clock);
 161         rt2x00_set_field32(&reg, CSR21_EEPROM_CHIP_SELECT,
 162                            !!eeprom->reg_chip_select);
 163
 164         rt2x00pci_register_write(rt2x00dev, CSR21, reg);
 165 }
 166
 167 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 168 static const struct rt2x00debug rt2500pci_rt2x00debug = {
 169         .owner  = THIS_MODULE,
 170         .csr    = {
 171                 .read           = rt2x00pci_register_read,
 172                 .write          = rt2x00pci_register_write,
 173                 .flags          = RT2X00DEBUGFS_OFFSET,
 174                 .word_base      = CSR_REG_BASE,
 175                 .word_size      = sizeof(u32),
 176                 .word_count     = CSR_REG_SIZE / sizeof(u32),
 177         },
 178         .eeprom = {
 179                 .read           = rt2x00_eeprom_read,
 180                 .write          = rt2x00_eeprom_write,
 181                 .word_base      = EEPROM_BASE,
 182                 .word_size      = sizeof(u16),
 183                 .word_count     = EEPROM_SIZE / sizeof(u16),
 184         },
 185         .bbp    = {
 186                 .read           = rt2500pci_bbp_read,
 187                 .write          = rt2500pci_bbp_write,
 188                 .word_base      = BBP_BASE,
 189                 .word_size      = sizeof(u8),
 190                 .word_count     = BBP_SIZE / sizeof(u8),
 191         },
 192         .rf     = {
 193                 .read           = rt2x00_rf_read,
 194                 .write          = rt2500pci_rf_write,
 195                 .word_base      = RF_BASE,
 196                 .word_size      = sizeof(u32),
 197                 .word_count     = RF_SIZE / sizeof(u32),
 198         },
 199 };
 200 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 201
 202 static int rt2500pci_rfkill_poll(struct rt2x00_dev *rt2x00dev)
 203 {
 204         u32 reg;
 205
 206         rt2x00pci_register_read(rt2x00dev, GPIOCSR, &reg);
 207         return rt2x00_get_field32(reg, GPIOCSR_BIT0);
 208 }
 209
 210 #ifdef CONFIG_RT2X00_LIB_LEDS
 211 static void rt2500pci_brightness_set(struct led_classdev *led_cdev,
 212                                      enum led_brightness brightness)
 213 {
 214         struct rt2x00_led *led =
 215             container_of(led_cdev, struct rt2x00_led, led_dev);
 216         unsigned int enabled = brightness != LED_OFF;
 217         u32 reg;
 218
 219         rt2x00pci_register_read(led->rt2x00dev, LEDCSR, &reg);
 220
 221         if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC)
 222                 rt2x00_set_field32(&reg, LEDCSR_LINK, enabled);
 223         else if (led->type == LED_TYPE_ACTIVITY)
 224                 rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, enabled);
 225
 226         rt2x00pci_register_write(led->rt2x00dev, LEDCSR, reg);
 227 }
 228
 229 static int rt2500pci_blink_set(struct led_classdev *led_cdev,
 230                                unsigned long *delay_on,
 231                                unsigned long *delay_off)
 232 {
 233         struct rt2x00_led *led =
 234             container_of(led_cdev, struct rt2x00_led, led_dev);
 235         u32 reg;
 236
 237         rt2x00pci_register_read(led->rt2x00dev, LEDCSR, &reg);
 238         rt2x00_set_field32(&reg, LEDCSR_ON_PERIOD, *delay_on);
 239         rt2x00_set_field32(&reg, LEDCSR_OFF_PERIOD, *delay_off);
 240         rt2x00pci_register_write(led->rt2x00dev, LEDCSR, reg);
 241
 242         return 0;
 243 }
 244
 245 static void rt2500pci_init_led(struct rt2x00_dev *rt2x00dev,
 246                                struct rt2x00_led *led,
 247                                enum led_type type)
 248 {
 249         led->rt2x00dev = rt2x00dev;
 250         led->type = type;
 251         led->led_dev.brightness_set = rt2500pci_brightness_set;
 252         led->led_dev.blink_set = rt2500pci_blink_set;
 253         led->flags = LED_INITIALIZED;
 254 }
 255 #endif /* CONFIG_RT2X00_LIB_LEDS */
 256
 257 /*
 258  * Configuration handlers.
 259  */
 260 static void rt2500pci_config_filter(struct rt2x00_dev *rt2x00dev,
 261                                     const unsigned int filter_flags)
 262 {
 263         u32 reg;
 264
 265         /*
 266          * Start configuration steps.
 267          * Note that the version error will always be dropped
 268          * and broadcast frames will always be accepted since
 269          * there is no filter for it at this time.
 270          */
 271         rt2x00pci_register_read(rt2x00dev, RXCSR0, &reg);
 272         rt2x00_set_field32(&reg, RXCSR0_DROP_CRC,
 273                            !(filter_flags & FIF_FCSFAIL));
 274         rt2x00_set_field32(&reg, RXCSR0_DROP_PHYSICAL,
 275                            !(filter_flags & FIF_PLCPFAIL));
 276         rt2x00_set_field32(&reg, RXCSR0_DROP_CONTROL,
 277                            !(filter_flags & FIF_CONTROL));
 278         rt2x00_set_field32(&reg, RXCSR0_DROP_NOT_TO_ME,
 279                            !(filter_flags & FIF_PROMISC_IN_BSS));
 280         rt2x00_set_field32(&reg, RXCSR0_DROP_TODS,
 281                            !(filter_flags & FIF_PROMISC_IN_BSS) &&
 282                            !rt2x00dev->intf_ap_count);
 283         rt2x00_set_field32(&reg, RXCSR0_DROP_VERSION_ERROR, 1);
 284         rt2x00_set_field32(&reg, RXCSR0_DROP_MCAST,
 285                            !(filter_flags & FIF_ALLMULTI));
 286         rt2x00_set_field32(&reg, RXCSR0_DROP_BCAST, 0);
 287         rt2x00pci_register_write(rt2x00dev, RXCSR0, reg);
 288 }
 289
 290 static void rt2500pci_config_intf(struct rt2x00_dev *rt2x00dev,
 291                                   struct rt2x00_intf *intf,
 292                                   struct rt2x00intf_conf *conf,
 293                                   const unsigned int flags)
 294 {
 295         struct data_queue *queue = rt2x00queue_get_queue(rt2x00dev, QID_BEACON);
 296         unsigned int bcn_preload;
 297         u32 reg;
 298
 299         if (flags & CONFIG_UPDATE_TYPE) {
 300                 /*
 301                  * Enable beacon config
 302                  */
 303                 bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20);
 304                 rt2x00pci_register_read(rt2x00dev, BCNCSR1, &reg);
 305                 rt2x00_set_field32(&reg, BCNCSR1_PRELOAD, bcn_preload);
 306                 rt2x00_set_field32(&reg, BCNCSR1_BEACON_CWMIN, queue->cw_min);
 307                 rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
 308
 309                 /*
 310                  * Enable synchronisation.
 311                  */
 312                 rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
 313                 rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 1);
 314                 rt2x00_set_field32(&reg, CSR14_TSF_SYNC, conf->sync);
 315                 rt2x00_set_field32(&reg, CSR14_TBCN, 1);
 316                 rt2x00pci_register_write(rt2x00dev, CSR14, reg);
 317         }
 318
 319         if (flags & CONFIG_UPDATE_MAC)
 320                 rt2x00pci_register_multiwrite(rt2x00dev, CSR3,
 321                                               conf->mac, sizeof(conf->mac));
 322
 323         if (flags & CONFIG_UPDATE_BSSID)
 324                 rt2x00pci_register_multiwrite(rt2x00dev, CSR5,
 325                                               conf->bssid, sizeof(conf->bssid));
 326 }
 327
 328 static void rt2500pci_config_erp(struct rt2x00_dev *rt2x00dev,
 329                                  struct rt2x00lib_erp *erp)
 330 {
 331         int preamble_mask;
 332         u32 reg;
 333
 334         /*
 335          * When short preamble is enabled, we should set bit 0x08
 336          */
 337         preamble_mask = erp->short_preamble << 3;
 338
 339         rt2x00pci_register_read(rt2x00dev, TXCSR1, &reg);
 340         rt2x00_set_field32(&reg, TXCSR1_ACK_TIMEOUT, erp->ack_timeout);
 341         rt2x00_set_field32(&reg, TXCSR1_ACK_CONSUME_TIME,
 342                            erp->ack_consume_time);
 343         rt2x00_set_field32(&reg, TXCSR1_TSF_OFFSET, IEEE80211_HEADER);
 344         rt2x00_set_field32(&reg, TXCSR1_AUTORESPONDER, 1);
 345         rt2x00pci_register_write(rt2x00dev, TXCSR1, reg);
 346
 347         rt2x00pci_register_read(rt2x00dev, ARCSR2, &reg);
 348         rt2x00_set_field32(&reg, ARCSR2_SIGNAL, 0x00);
 349         rt2x00_set_field32(&reg, ARCSR2_SERVICE, 0x04);
 350         rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 10));
 351         rt2x00pci_register_write(rt2x00dev, ARCSR2, reg);
 352
 353         rt2x00pci_register_read(rt2x00dev, ARCSR3, &reg);
 354         rt2x00_set_field32(&reg, ARCSR3_SIGNAL, 0x01 | preamble_mask);
 355         rt2x00_set_field32(&reg, ARCSR3_SERVICE, 0x04);
 356         rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 20));
 357         rt2x00pci_register_write(rt2x00dev, ARCSR3, reg);
 358
 359         rt2x00pci_register_read(rt2x00dev, ARCSR4, &reg);
 360         rt2x00_set_field32(&reg, ARCSR4_SIGNAL, 0x02 | preamble_mask);
 361         rt2x00_set_field32(&reg, ARCSR4_SERVICE, 0x04);
 362         rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 55));
 363         rt2x00pci_register_write(rt2x00dev, ARCSR4, reg);
 364
 365         rt2x00pci_register_read(rt2x00dev, ARCSR5, &reg);
 366         rt2x00_set_field32(&reg, ARCSR5_SIGNAL, 0x03 | preamble_mask);
 367         rt2x00_set_field32(&reg, ARCSR5_SERVICE, 0x84);
 368         rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 110));
 369         rt2x00pci_register_write(rt2x00dev, ARCSR5, reg);
 370
 371         rt2x00pci_register_write(rt2x00dev, ARCSR1, erp->basic_rates);
 372
 373         rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
 374         rt2x00_set_field32(&reg, CSR11_SLOT_TIME, erp->slot_time);
 375         rt2x00pci_register_write(rt2x00dev, CSR11, reg);
 376
 377         rt2x00pci_register_read(rt2x00dev, CSR12, &reg);
 378         rt2x00_set_field32(&reg, CSR12_BEACON_INTERVAL, erp->beacon_int * 16);
 379         rt2x00_set_field32(&reg, CSR12_CFP_MAX_DURATION, erp->beacon_int * 16);
 380         rt2x00pci_register_write(rt2x00dev, CSR12, reg);
 381
 382         rt2x00pci_register_read(rt2x00dev, CSR18, &reg);
 383         rt2x00_set_field32(&reg, CSR18_SIFS, erp->sifs);
 384         rt2x00_set_field32(&reg, CSR18_PIFS, erp->pifs);
 385         rt2x00pci_register_write(rt2x00dev, CSR18, reg);
 386
 387         rt2x00pci_register_read(rt2x00dev, CSR19, &reg);
 388         rt2x00_set_field32(&reg, CSR19_DIFS, erp->difs);
 389         rt2x00_set_field32(&reg, CSR19_EIFS, erp->eifs);
 390         rt2x00pci_register_write(rt2x00dev, CSR19, reg);
 391 }
 392
 393 static void rt2500pci_config_ant(struct rt2x00_dev *rt2x00dev,
 394                                  struct antenna_setup *ant)
 395 {
 396         u32 reg;
 397         u8 r14;
 398         u8 r2;
 399
 400         /*
 401          * We should never come here because rt2x00lib is supposed
 402          * to catch this and send us the correct antenna explicitely.
 403          */
 404         BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
 405                ant->tx == ANTENNA_SW_DIVERSITY);
 406
 407         rt2x00pci_register_read(rt2x00dev, BBPCSR1, &reg);
 408         rt2500pci_bbp_read(rt2x00dev, 14, &r14);
 409         rt2500pci_bbp_read(rt2x00dev, 2, &r2);
 410
 411         /*
 412          * Configure the TX antenna.
 413          */
 414         switch (ant->tx) {
 415         case ANTENNA_A:
 416                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
 417                 rt2x00_set_field32(&reg, BBPCSR1_CCK, 0);
 418                 rt2x00_set_field32(&reg, BBPCSR1_OFDM, 0);
 419                 break;
 420         case ANTENNA_B:
 421         default:
 422                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
 423                 rt2x00_set_field32(&reg, BBPCSR1_CCK, 2);
 424                 rt2x00_set_field32(&reg, BBPCSR1_OFDM, 2);
 425                 break;
 426         }
 427
 428         /*
 429          * Configure the RX antenna.
 430          */
 431         switch (ant->rx) {
 432         case ANTENNA_A:
 433                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
 434                 break;
 435         case ANTENNA_B:
 436         default:
 437                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
 438                 break;
 439         }
 440
 441         /*
 442          * RT2525E and RT5222 need to flip TX I/Q
 443          */
 444         if (rt2x00_rf(&rt2x00dev->chip, RF2525E) ||
 445             rt2x00_rf(&rt2x00dev->chip, RF5222)) {
 446                 rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
 447                 rt2x00_set_field32(&reg, BBPCSR1_CCK_FLIP, 1);
 448                 rt2x00_set_field32(&reg, BBPCSR1_OFDM_FLIP, 1);
 449
 450                 /*
 451                  * RT2525E does not need RX I/Q Flip.
 452                  */
 453                 if (rt2x00_rf(&rt2x00dev->chip, RF2525E))
 454                         rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
 455         } else {
 456                 rt2x00_set_field32(&reg, BBPCSR1_CCK_FLIP, 0);
 457                 rt2x00_set_field32(&reg, BBPCSR1_OFDM_FLIP, 0);
 458         }
 459
 460         rt2x00pci_register_write(rt2x00dev, BBPCSR1, reg);
 461         rt2500pci_bbp_write(rt2x00dev, 14, r14);
 462         rt2500pci_bbp_write(rt2x00dev, 2, r2);
 463 }
 464
 465 static void rt2500pci_config_channel(struct rt2x00_dev *rt2x00dev,
 466                                      struct rf_channel *rf, const int txpower)
 467 {
 468         u8 r70;
 469
 470         /*
 471          * Set TXpower.
 472          */
 473         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 474
 475         /*
 476          * Switch on tuning bits.
 477          * For RT2523 devices we do not need to update the R1 register.
 478          */
 479         if (!rt2x00_rf(&rt2x00dev->chip, RF2523))
 480                 rt2x00_set_field32(&rf->rf1, RF1_TUNER, 1);
 481         rt2x00_set_field32(&rf->rf3, RF3_TUNER, 1);
 482
 483         /*
 484          * For RT2525 we should first set the channel to half band higher.
 485          */
 486         if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
 487                 static const u32 vals[] = {
 488                         0x00080cbe, 0x00080d02, 0x00080d06, 0x00080d0a,
 489                         0x00080d0e, 0x00080d12, 0x00080d16, 0x00080d1a,
 490                         0x00080d1e, 0x00080d22, 0x00080d26, 0x00080d2a,
 491                         0x00080d2e, 0x00080d3a
 492                 };
 493
 494                 rt2500pci_rf_write(rt2x00dev, 1, rf->rf1);
 495                 rt2500pci_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
 496                 rt2500pci_rf_write(rt2x00dev, 3, rf->rf3);
 497                 if (rf->rf4)
 498                         rt2500pci_rf_write(rt2x00dev, 4, rf->rf4);
 499         }
 500
 501         rt2500pci_rf_write(rt2x00dev, 1, rf->rf1);
 502         rt2500pci_rf_write(rt2x00dev, 2, rf->rf2);
 503         rt2500pci_rf_write(rt2x00dev, 3, rf->rf3);
 504         if (rf->rf4)
 505                 rt2500pci_rf_write(rt2x00dev, 4, rf->rf4);
 506
 507         /*
 508          * Channel 14 requires the Japan filter bit to be set.
 509          */
 510         r70 = 0x46;
 511         rt2x00_set_field8(&r70, BBP_R70_JAPAN_FILTER, rf->channel == 14);
 512         rt2500pci_bbp_write(rt2x00dev, 70, r70);
 513
 514         msleep(1);
 515
 516         /*
 517          * Switch off tuning bits.
 518          * For RT2523 devices we do not need to update the R1 register.
 519          */
 520         if (!rt2x00_rf(&rt2x00dev->chip, RF2523)) {
 521                 rt2x00_set_field32(&rf->rf1, RF1_TUNER, 0);
 522                 rt2500pci_rf_write(rt2x00dev, 1, rf->rf1);
 523         }
 524
 525         rt2x00_set_field32(&rf->rf3, RF3_TUNER, 0);
 526         rt2500pci_rf_write(rt2x00dev, 3, rf->rf3);
 527
 528         /*
 529          * Clear false CRC during channel switch.
 530          */
 531         rt2x00pci_register_read(rt2x00dev, CNT0, &rf->rf1);
 532 }
 533
 534 static void rt2500pci_config_txpower(struct rt2x00_dev *rt2x00dev,
 535                                      const int txpower)
 536 {
 537         u32 rf3;
 538
 539         rt2x00_rf_read(rt2x00dev, 3, &rf3);
 540         rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 541         rt2500pci_rf_write(rt2x00dev, 3, rf3);
 542 }
 543
 544 static void rt2500pci_config_retry_limit(struct rt2x00_dev *rt2x00dev,
 545                                          struct rt2x00lib_conf *libconf)
 546 {
 547         u32 reg;
 548
 549         rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
 550         rt2x00_set_field32(&reg, CSR11_LONG_RETRY,
 551                            libconf->conf->long_frame_max_tx_count);
 552         rt2x00_set_field32(&reg, CSR11_SHORT_RETRY,
 553                            libconf->conf->short_frame_max_tx_count);
 554         rt2x00pci_register_write(rt2x00dev, CSR11, reg);
 555 }
 556
 557 static void rt2500pci_config_ps(struct rt2x00_dev *rt2x00dev,
 558                                 struct rt2x00lib_conf *libconf)
 559 {
 560         enum dev_state state =
 561             (libconf->conf->flags & IEEE80211_CONF_PS) ?
 562                 STATE_SLEEP : STATE_AWAKE;
 563         u32 reg;
 564
 565         if (state == STATE_SLEEP) {
 566                 rt2x00pci_register_read(rt2x00dev, CSR20, &reg);
 567                 rt2x00_set_field32(&reg, CSR20_DELAY_AFTER_TBCN,
 568                                    (rt2x00dev->beacon_int - 20) * 16);
 569                 rt2x00_set_field32(&reg, CSR20_TBCN_BEFORE_WAKEUP,
 570                                    libconf->conf->listen_interval - 1);
 571
 572                 /* We must first disable autowake before it can be enabled */
 573                 rt2x00_set_field32(&reg, CSR20_AUTOWAKE, 0);
 574                 rt2x00pci_register_write(rt2x00dev, CSR20, reg);
 575
 576                 rt2x00_set_field32(&reg, CSR20_AUTOWAKE, 1);
 577                 rt2x00pci_register_write(rt2x00dev, CSR20, reg);
 578         }
 579
 580         rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
 581 }
 582
 583 static void rt2500pci_config(struct rt2x00_dev *rt2x00dev,
 584                              struct rt2x00lib_conf *libconf,
 585                              const unsigned int flags)
 586 {
 587         if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
 588                 rt2500pci_config_channel(rt2x00dev, &libconf->rf,
 589                                          libconf->conf->power_level);
 590         if ((flags & IEEE80211_CONF_CHANGE_POWER) &&
 591             !(flags & IEEE80211_CONF_CHANGE_CHANNEL))
 592                 rt2500pci_config_txpower(rt2x00dev,
 593                                          libconf->conf->power_level);
 594         if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
 595                 rt2500pci_config_retry_limit(rt2x00dev, libconf);
 596         if (flags & IEEE80211_CONF_CHANGE_PS)
 597                 rt2500pci_config_ps(rt2x00dev, libconf);
 598 }
 599
 600 /*
 601  * Link tuning
 602  */
 603 static void rt2500pci_link_stats(struct rt2x00_dev *rt2x00dev,
 604                                  struct link_qual *qual)
 605 {
 606         u32 reg;
 607
 608         /*
 609          * Update FCS error count from register.
 610          */
 611         rt2x00pci_register_read(rt2x00dev, CNT0, &reg);
 612         qual->rx_failed = rt2x00_get_field32(reg, CNT0_FCS_ERROR);
 613
 614         /*
 615          * Update False CCA count from register.
 616          */
 617         rt2x00pci_register_read(rt2x00dev, CNT3, &reg);
 618         qual->false_cca = rt2x00_get_field32(reg, CNT3_FALSE_CCA);
 619 }
 620
 621 static inline void rt2500pci_set_vgc(struct rt2x00_dev *rt2x00dev,
 622                                      struct link_qual *qual, u8 vgc_level)
 623 {
 624         if (qual->vgc_level_reg != vgc_level) {
 625                 rt2500pci_bbp_write(rt2x00dev, 17, vgc_level);
 626                 qual->vgc_level_reg = vgc_level;
 627         }
 628 }
 629
 630 static void rt2500pci_reset_tuner(struct rt2x00_dev *rt2x00dev,
 631                                   struct link_qual *qual)
 632 {
 633         rt2500pci_set_vgc(rt2x00dev, qual, 0x48);
 634 }
 635
 636 static void rt2500pci_link_tuner(struct rt2x00_dev *rt2x00dev,
 637                                  struct link_qual *qual, const u32 count)
 638 {
 639         /*
 640          * To prevent collisions with MAC ASIC on chipsets
 641          * up to version C the link tuning should halt after 20
 642          * seconds while being associated.
 643          */
 644         if (rt2x00_rev(&rt2x00dev->chip) < RT2560_VERSION_D &&
 645             rt2x00dev->intf_associated && count > 20)
 646                 return;
 647
 648         /*
 649          * Chipset versions C and lower should directly continue
 650          * to the dynamic CCA tuning. Chipset version D and higher
 651          * should go straight to dynamic CCA tuning when they
 652          * are not associated.
 653          */
 654         if (rt2x00_rev(&rt2x00dev->chip) < RT2560_VERSION_D ||
 655             !rt2x00dev->intf_associated)
 656                 goto dynamic_cca_tune;
 657
 658         /*
 659          * A too low RSSI will cause too much false CCA which will
 660          * then corrupt the R17 tuning. To remidy this the tuning should
 661          * be stopped (While making sure the R17 value will not exceed limits)
 662          */
 663         if (qual->rssi < -80 && count > 20) {
 664                 if (qual->vgc_level_reg >= 0x41)
 665                         rt2500pci_set_vgc(rt2x00dev, qual, qual->vgc_level);
 666                 return;
 667         }
 668
 669         /*
 670          * Special big-R17 for short distance
 671          */
 672         if (qual->rssi >= -58) {
 673                 rt2500pci_set_vgc(rt2x00dev, qual, 0x50);
 674                 return;
 675         }
 676
 677         /*
 678          * Special mid-R17 for middle distance
 679          */
 680         if (qual->rssi >= -74) {
 681                 rt2500pci_set_vgc(rt2x00dev, qual, 0x41);
 682                 return;
 683         }
 684
 685         /*
 686          * Leave short or middle distance condition, restore r17
 687          * to the dynamic tuning range.
 688          */
 689         if (qual->vgc_level_reg >= 0x41) {
 690                 rt2500pci_set_vgc(rt2x00dev, qual, qual->vgc_level);
 691                 return;
 692         }
 693
 694 dynamic_cca_tune:
 695
 696         /*
 697          * R17 is inside the dynamic tuning range,
 698          * start tuning the link based on the false cca counter.
 699          */
 700         if (qual->false_cca > 512 && qual->vgc_level_reg < 0x40) {
 701                 rt2500pci_set_vgc(rt2x00dev, qual, ++qual->vgc_level_reg);
 702                 qual->vgc_level = qual->vgc_level_reg;
 703         } else if (qual->false_cca < 100 && qual->vgc_level_reg > 0x32) {
 704                 rt2500pci_set_vgc(rt2x00dev, qual, --qual->vgc_level_reg);
 705                 qual->vgc_level = qual->vgc_level_reg;
 706         }
 707 }
 708
 709 /*
 710  * Initialization functions.
 711  */
 712 static bool rt2500pci_get_entry_state(struct queue_entry *entry)
 713 {
 714         struct queue_entry_priv_pci *entry_priv = entry->priv_data;
 715         u32 word;
 716
 717         if (entry->queue->qid == QID_RX) {
 718                 rt2x00_desc_read(entry_priv->desc, 0, &word);
 719
 720                 return rt2x00_get_field32(word, RXD_W0_OWNER_NIC);
 721         } else {
 722                 rt2x00_desc_read(entry_priv->desc, 0, &word);
 723
 724                 return (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
 725                         rt2x00_get_field32(word, TXD_W0_VALID));
 726         }
 727 }
 728
 729 static void rt2500pci_clear_entry(struct queue_entry *entry)
 730 {
 731         struct queue_entry_priv_pci *entry_priv = entry->priv_data;
 732         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 733         u32 word;
 734
 735         if (entry->queue->qid == QID_RX) {
 736                 rt2x00_desc_read(entry_priv->desc, 1, &word);
 737                 rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma);
 738                 rt2x00_desc_write(entry_priv->desc, 1, word);
 739
 740                 rt2x00_desc_read(entry_priv->desc, 0, &word);
 741                 rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
 742                 rt2x00_desc_write(entry_priv->desc, 0, word);
 743         } else {
 744                 rt2x00_desc_read(entry_priv->desc, 0, &word);
 745                 rt2x00_set_field32(&word, TXD_W0_VALID, 0);
 746                 rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
 747                 rt2x00_desc_write(entry_priv->desc, 0, word);
 748         }
 749 }
 750
 751 static int rt2500pci_init_queues(struct rt2x00_dev *rt2x00dev)
 752 {
 753         struct queue_entry_priv_pci *entry_priv;
 754         u32 reg;
 755
 756         /*
 757          * Initialize registers.
 758          */
 759         rt2x00pci_register_read(rt2x00dev, TXCSR2, &reg);
 760         rt2x00_set_field32(&reg, TXCSR2_TXD_SIZE, rt2x00dev->tx[0].desc_size);
 761         rt2x00_set_field32(&reg, TXCSR2_NUM_TXD, rt2x00dev->tx[1].limit);
 762         rt2x00_set_field32(&reg, TXCSR2_NUM_ATIM, rt2x00dev->bcn[1].limit);
 763         rt2x00_set_field32(&reg, TXCSR2_NUM_PRIO, rt2x00dev->tx[0].limit);
 764         rt2x00pci_register_write(rt2x00dev, TXCSR2, reg);
 765
 766         entry_priv = rt2x00dev->tx[1].entries[0].priv_data;
 767         rt2x00pci_register_read(rt2x00dev, TXCSR3, &reg);
 768         rt2x00_set_field32(&reg, TXCSR3_TX_RING_REGISTER,
 769                            entry_priv->desc_dma);
 770         rt2x00pci_register_write(rt2x00dev, TXCSR3, reg);
 771
 772         entry_priv = rt2x00dev->tx[0].entries[0].priv_data;
 773         rt2x00pci_register_read(rt2x00dev, TXCSR5, &reg);
 774         rt2x00_set_field32(&reg, TXCSR5_PRIO_RING_REGISTER,
 775                            entry_priv->desc_dma);
 776         rt2x00pci_register_write(rt2x00dev, TXCSR5, reg);
 777
 778         entry_priv = rt2x00dev->bcn[1].entries[0].priv_data;
 779         rt2x00pci_register_read(rt2x00dev, TXCSR4, &reg);
 780         rt2x00_set_field32(&reg, TXCSR4_ATIM_RING_REGISTER,
 781                            entry_priv->desc_dma);
 782         rt2x00pci_register_write(rt2x00dev, TXCSR4, reg);
 783
 784         entry_priv = rt2x00dev->bcn[0].entries[0].priv_data;
 785         rt2x00pci_register_read(rt2x00dev, TXCSR6, &reg);
 786         rt2x00_set_field32(&reg, TXCSR6_BEACON_RING_REGISTER,
 787                            entry_priv->desc_dma);
 788         rt2x00pci_register_write(rt2x00dev, TXCSR6, reg);
 789
 790         rt2x00pci_register_read(rt2x00dev, RXCSR1, &reg);
 791         rt2x00_set_field32(&reg, RXCSR1_RXD_SIZE, rt2x00dev->rx->desc_size);
 792         rt2x00_set_field32(&reg, RXCSR1_NUM_RXD, rt2x00dev->rx->limit);
 793         rt2x00pci_register_write(rt2x00dev, RXCSR1, reg);
 794
 795         entry_priv = rt2x00dev->rx->entries[0].priv_data;
 796         rt2x00pci_register_read(rt2x00dev, RXCSR2, &reg);
 797         rt2x00_set_field32(&reg, RXCSR2_RX_RING_REGISTER,
 798                            entry_priv->desc_dma);
 799         rt2x00pci_register_write(rt2x00dev, RXCSR2, reg);
 800
 801         return 0;
 802 }
 803
 804 static int rt2500pci_init_registers(struct rt2x00_dev *rt2x00dev)
 805 {
 806         u32 reg;
 807
 808         rt2x00pci_register_write(rt2x00dev, PSCSR0, 0x00020002);
 809         rt2x00pci_register_write(rt2x00dev, PSCSR1, 0x00000002);
 810         rt2x00pci_register_write(rt2x00dev, PSCSR2, 0x00020002);
 811         rt2x00pci_register_write(rt2x00dev, PSCSR3, 0x00000002);
 812
 813         rt2x00pci_register_read(rt2x00dev, TIMECSR, &reg);
 814         rt2x00_set_field32(&reg, TIMECSR_US_COUNT, 33);
 815         rt2x00_set_field32(&reg, TIMECSR_US_64_COUNT, 63);
 816         rt2x00_set_field32(&reg, TIMECSR_BEACON_EXPECT, 0);
 817         rt2x00pci_register_write(rt2x00dev, TIMECSR, reg);
 818
 819         rt2x00pci_register_read(rt2x00dev, CSR9, &reg);
 820         rt2x00_set_field32(&reg, CSR9_MAX_FRAME_UNIT,
 821                            rt2x00dev->rx->data_size / 128);
 822         rt2x00pci_register_write(rt2x00dev, CSR9, reg);
 823
 824         /*
 825          * Always use CWmin and CWmax set in descriptor.
 826          */
 827         rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
 828         rt2x00_set_field32(&reg, CSR11_CW_SELECT, 0);
 829         rt2x00pci_register_write(rt2x00dev, CSR11, reg);
 830
 831         rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
 832         rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 0);
 833         rt2x00_set_field32(&reg, CSR14_TSF_SYNC, 0);
 834         rt2x00_set_field32(&reg, CSR14_TBCN, 0);
 835         rt2x00_set_field32(&reg, CSR14_TCFP, 0);
 836         rt2x00_set_field32(&reg, CSR14_TATIMW, 0);
 837         rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
 838         rt2x00_set_field32(&reg, CSR14_CFP_COUNT_PRELOAD, 0);
 839         rt2x00_set_field32(&reg, CSR14_TBCM_PRELOAD, 0);
 840         rt2x00pci_register_write(rt2x00dev, CSR14, reg);
 841
 842         rt2x00pci_register_write(rt2x00dev, CNT3, 0);
 843
 844         rt2x00pci_register_read(rt2x00dev, TXCSR8, &reg);
 845         rt2x00_set_field32(&reg, TXCSR8_BBP_ID0, 10);
 846         rt2x00_set_field32(&reg, TXCSR8_BBP_ID0_VALID, 1);
 847         rt2x00_set_field32(&reg, TXCSR8_BBP_ID1, 11);
 848         rt2x00_set_field32(&reg, TXCSR8_BBP_ID1_VALID, 1);
 849         rt2x00_set_field32(&reg, TXCSR8_BBP_ID2, 13);
 850         rt2x00_set_field32(&reg, TXCSR8_BBP_ID2_VALID, 1);
 851         rt2x00_set_field32(&reg, TXCSR8_BBP_ID3, 12);
 852         rt2x00_set_field32(&reg, TXCSR8_BBP_ID3_VALID, 1);
 853         rt2x00pci_register_write(rt2x00dev, TXCSR8, reg);
 854
 855         rt2x00pci_register_read(rt2x00dev, ARTCSR0, &reg);
 856         rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_1MBS, 112);
 857         rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_2MBS, 56);
 858         rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_5_5MBS, 20);
 859         rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_11MBS, 10);
 860         rt2x00pci_register_write(rt2x00dev, ARTCSR0, reg);
 861
 862         rt2x00pci_register_read(rt2x00dev, ARTCSR1, &reg);
 863         rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_6MBS, 45);
 864         rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_9MBS, 37);
 865         rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_12MBS, 33);
 866         rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_18MBS, 29);
 867         rt2x00pci_register_write(rt2x00dev, ARTCSR1, reg);
 868
 869         rt2x00pci_register_read(rt2x00dev, ARTCSR2, &reg);
 870         rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_24MBS, 29);
 871         rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_36MBS, 25);
 872         rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_48MBS, 25);
 873         rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_54MBS, 25);
 874         rt2x00pci_register_write(rt2x00dev, ARTCSR2, reg);
 875
 876         rt2x00pci_register_read(rt2x00dev, RXCSR3, &reg);
 877         rt2x00_set_field32(&reg, RXCSR3_BBP_ID0, 47); /* CCK Signal */
 878         rt2x00_set_field32(&reg, RXCSR3_BBP_ID0_VALID, 1);
 879         rt2x00_set_field32(&reg, RXCSR3_BBP_ID1, 51); /* Rssi */
 880         rt2x00_set_field32(&reg, RXCSR3_BBP_ID1_VALID, 1);
 881         rt2x00_set_field32(&reg, RXCSR3_BBP_ID2, 42); /* OFDM Rate */
 882         rt2x00_set_field32(&reg, RXCSR3_BBP_ID2_VALID, 1);
 883         rt2x00_set_field32(&reg, RXCSR3_BBP_ID3, 51); /* RSSI */
 884         rt2x00_set_field32(&reg, RXCSR3_BBP_ID3_VALID, 1);
 885         rt2x00pci_register_write(rt2x00dev, RXCSR3, reg);
 886
 887         rt2x00pci_register_read(rt2x00dev, PCICSR, &reg);
 888         rt2x00_set_field32(&reg, PCICSR_BIG_ENDIAN, 0);
 889         rt2x00_set_field32(&reg, PCICSR_RX_TRESHOLD, 0);
 890         rt2x00_set_field32(&reg, PCICSR_TX_TRESHOLD, 3);
 891         rt2x00_set_field32(&reg, PCICSR_BURST_LENTH, 1);
 892         rt2x00_set_field32(&reg, PCICSR_ENABLE_CLK, 1);
 893         rt2x00_set_field32(&reg, PCICSR_READ_MULTIPLE, 1);
 894         rt2x00_set_field32(&reg, PCICSR_WRITE_INVALID, 1);
 895         rt2x00pci_register_write(rt2x00dev, PCICSR, reg);
 896
 897         rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0x3f3b3100);
 898
 899         rt2x00pci_register_write(rt2x00dev, GPIOCSR, 0x0000ff00);
 900         rt2x00pci_register_write(rt2x00dev, TESTCSR, 0x000000f0);
 901
 902         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
 903                 return -EBUSY;
 904
 905         rt2x00pci_register_write(rt2x00dev, MACCSR0, 0x00213223);
 906         rt2x00pci_register_write(rt2x00dev, MACCSR1, 0x00235518);
 907
 908         rt2x00pci_register_read(rt2x00dev, MACCSR2, &reg);
 909         rt2x00_set_field32(&reg, MACCSR2_DELAY, 64);
 910         rt2x00pci_register_write(rt2x00dev, MACCSR2, reg);
 911
 912         rt2x00pci_register_read(rt2x00dev, RALINKCSR, &reg);
 913         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA0, 17);
 914         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID0, 26);
 915         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_VALID0, 1);
 916         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA1, 0);
 917         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID1, 26);
 918         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_VALID1, 1);
 919         rt2x00pci_register_write(rt2x00dev, RALINKCSR, reg);
 920
 921         rt2x00pci_register_write(rt2x00dev, BBPCSR1, 0x82188200);
 922
 923         rt2x00pci_register_write(rt2x00dev, TXACKCSR0, 0x00000020);
 924
 925         rt2x00pci_register_read(rt2x00dev, CSR1, &reg);
 926         rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 1);
 927         rt2x00_set_field32(&reg, CSR1_BBP_RESET, 0);
 928         rt2x00_set_field32(&reg, CSR1_HOST_READY, 0);
 929         rt2x00pci_register_write(rt2x00dev, CSR1, reg);
 930
 931         rt2x00pci_register_read(rt2x00dev, CSR1, &reg);
 932         rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 0);
 933         rt2x00_set_field32(&reg, CSR1_HOST_READY, 1);
 934         rt2x00pci_register_write(rt2x00dev, CSR1, reg);
 935
 936         /*
 937          * We must clear the FCS and FIFO error count.
 938          * These registers are cleared on read,
 939          * so we may pass a useless variable to store the value.
 940          */
 941         rt2x00pci_register_read(rt2x00dev, CNT0, &reg);
 942         rt2x00pci_register_read(rt2x00dev, CNT4, &reg);
 943
 944         return 0;
 945 }
 946
 947 static int rt2500pci_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
 948 {
 949         unsigned int i;
 950         u8 value;
 951
 952         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 953                 rt2500pci_bbp_read(rt2x00dev, 0, &value);
 954                 if ((value != 0xff) && (value != 0x00))
 955                         return 0;
 956                 udelay(REGISTER_BUSY_DELAY);
 957         }
 958
 959         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
 960         return -EACCES;
 961 }
 962
 963 static int rt2500pci_init_bbp(struct rt2x00_dev *rt2x00dev)
 964 {
 965         unsigned int i;
 966         u16 eeprom;
 967         u8 reg_id;
 968         u8 value;
 969
 970         if (unlikely(rt2500pci_wait_bbp_ready(rt2x00dev)))
 971                 return -EACCES;
 972
 973         rt2500pci_bbp_write(rt2x00dev, 3, 0x02);
 974         rt2500pci_bbp_write(rt2x00dev, 4, 0x19);
 975         rt2500pci_bbp_write(rt2x00dev, 14, 0x1c);
 976         rt2500pci_bbp_write(rt2x00dev, 15, 0x30);
 977         rt2500pci_bbp_write(rt2x00dev, 16, 0xac);
 978         rt2500pci_bbp_write(rt2x00dev, 18, 0x18);
 979         rt2500pci_bbp_write(rt2x00dev, 19, 0xff);
 980         rt2500pci_bbp_write(rt2x00dev, 20, 0x1e);
 981         rt2500pci_bbp_write(rt2x00dev, 21, 0x08);
 982         rt2500pci_bbp_write(rt2x00dev, 22, 0x08);
 983         rt2500pci_bbp_write(rt2x00dev, 23, 0x08);
 984         rt2500pci_bbp_write(rt2x00dev, 24, 0x70);
 985         rt2500pci_bbp_write(rt2x00dev, 25, 0x40);
 986         rt2500pci_bbp_write(rt2x00dev, 26, 0x08);
 987         rt2500pci_bbp_write(rt2x00dev, 27, 0x23);
 988         rt2500pci_bbp_write(rt2x00dev, 30, 0x10);
 989         rt2500pci_bbp_write(rt2x00dev, 31, 0x2b);
 990         rt2500pci_bbp_write(rt2x00dev, 32, 0xb9);
 991         rt2500pci_bbp_write(rt2x00dev, 34, 0x12);
 992         rt2500pci_bbp_write(rt2x00dev, 35, 0x50);
 993         rt2500pci_bbp_write(rt2x00dev, 39, 0xc4);
 994         rt2500pci_bbp_write(rt2x00dev, 40, 0x02);
 995         rt2500pci_bbp_write(rt2x00dev, 41, 0x60);
 996         rt2500pci_bbp_write(rt2x00dev, 53, 0x10);
 997         rt2500pci_bbp_write(rt2x00dev, 54, 0x18);
 998         rt2500pci_bbp_write(rt2x00dev, 56, 0x08);
 999         rt2500pci_bbp_write(rt2x00dev, 57, 0x10);
1000         rt2500pci_bbp_write(rt2x00dev, 58, 0x08);
1001         rt2500pci_bbp_write(rt2x00dev, 61, 0x6d);
1002         rt2500pci_bbp_write(rt2x00dev, 62, 0x10);
1003
1004         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1005                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1006
1007                 if (eeprom != 0xffff && eeprom != 0x0000) {
1008                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1009                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
1010                         rt2500pci_bbp_write(rt2x00dev, reg_id, value);
1011                 }
1012         }
1013
1014         return 0;
1015 }
1016
1017 /*
1018  * Device state switch handlers.
1019  */
1020 static void rt2500pci_toggle_rx(struct rt2x00_dev *rt2x00dev,
1021                                 enum dev_state state)
1022 {
1023         u32 reg;
1024
1025         rt2x00pci_register_read(rt2x00dev, RXCSR0, &reg);
1026         rt2x00_set_field32(&reg, RXCSR0_DISABLE_RX,
1027                            (state == STATE_RADIO_RX_OFF) ||
1028                            (state == STATE_RADIO_RX_OFF_LINK));
1029         rt2x00pci_register_write(rt2x00dev, RXCSR0, reg);
1030 }
1031
1032 static void rt2500pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
1033                                  enum dev_state state)
1034 {
1035         int mask = (state == STATE_RADIO_IRQ_OFF);
1036         u32 reg;
1037
1038         /*
1039          * When interrupts are being enabled, the interrupt registers
1040          * should clear the register to assure a clean state.
1041          */
1042         if (state == STATE_RADIO_IRQ_ON) {
1043                 rt2x00pci_register_read(rt2x00dev, CSR7, &reg);
1044                 rt2x00pci_register_write(rt2x00dev, CSR7, reg);
1045         }
1046
1047         /*
1048          * Only toggle the interrupts bits we are going to use.
1049          * Non-checked interrupt bits are disabled by default.
1050          */
1051         rt2x00pci_register_read(rt2x00dev, CSR8, &reg);
1052         rt2x00_set_field32(&reg, CSR8_TBCN_EXPIRE, mask);
1053         rt2x00_set_field32(&reg, CSR8_TXDONE_TXRING, mask);
1054         rt2x00_set_field32(&reg, CSR8_TXDONE_ATIMRING, mask);
1055         rt2x00_set_field32(&reg, CSR8_TXDONE_PRIORING, mask);
1056         rt2x00_set_field32(&reg, CSR8_RXDONE, mask);
1057         rt2x00pci_register_write(rt2x00dev, CSR8, reg);
1058 }
1059
1060 static int rt2500pci_enable_radio(struct rt2x00_dev *rt2x00dev)
1061 {
1062         /*
1063          * Initialize all registers.
1064          */
1065         if (unlikely(rt2500pci_init_queues(rt2x00dev) ||
1066                      rt2500pci_init_registers(rt2x00dev) ||
1067                      rt2500pci_init_bbp(rt2x00dev)))
1068                 return -EIO;
1069
1070         return 0;
1071 }
1072
1073 static void rt2500pci_disable_radio(struct rt2x00_dev *rt2x00dev)
1074 {
1075         /*
1076          * Disable power
1077          */
1078         rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0);
1079 }
1080
1081 static int rt2500pci_set_state(struct rt2x00_dev *rt2x00dev,
1082                                enum dev_state state)
1083 {
1084         u32 reg;
1085         unsigned int i;
1086         char put_to_sleep;
1087         char bbp_state;
1088         char rf_state;
1089
1090         put_to_sleep = (state != STATE_AWAKE);
1091
1092         rt2x00pci_register_read(rt2x00dev, PWRCSR1, &reg);
1093         rt2x00_set_field32(&reg, PWRCSR1_SET_STATE, 1);
1094         rt2x00_set_field32(&reg, PWRCSR1_BBP_DESIRE_STATE, state);
1095         rt2x00_set_field32(&reg, PWRCSR1_RF_DESIRE_STATE, state);
1096         rt2x00_set_field32(&reg, PWRCSR1_PUT_TO_SLEEP, put_to_sleep);
1097         rt2x00pci_register_write(rt2x00dev, PWRCSR1, reg);
1098
1099         /*
1100          * Device is not guaranteed to be in the requested state yet.
1101          * We must wait until the register indicates that the
1102          * device has entered the correct state.
1103          */
1104         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1105                 rt2x00pci_register_read(rt2x00dev, PWRCSR1, &reg);
1106                 bbp_state = rt2x00_get_field32(reg, PWRCSR1_BBP_CURR_STATE);
1107                 rf_state = rt2x00_get_field32(reg, PWRCSR1_RF_CURR_STATE);
1108                 if (bbp_state == state && rf_state == state)
1109                         return 0;
1110                 msleep(10);
1111         }
1112
1113         return -EBUSY;
1114 }
1115
1116 static int rt2500pci_set_device_state(struct rt2x00_dev *rt2x00dev,
1117                                       enum dev_state state)
1118 {
1119         int retval = 0;
1120
1121         switch (state) {
1122         case STATE_RADIO_ON:
1123                 retval = rt2500pci_enable_radio(rt2x00dev);
1124                 break;
1125         case STATE_RADIO_OFF:
1126                 rt2500pci_disable_radio(rt2x00dev);
1127                 break;
1128         case STATE_RADIO_RX_ON:
1129         case STATE_RADIO_RX_ON_LINK:
1130         case STATE_RADIO_RX_OFF:
1131         case STATE_RADIO_RX_OFF_LINK:
1132                 rt2500pci_toggle_rx(rt2x00dev, state);
1133                 break;
1134         case STATE_RADIO_IRQ_ON:
1135         case STATE_RADIO_IRQ_OFF:
1136                 rt2500pci_toggle_irq(rt2x00dev, state);
1137                 break;
1138         case STATE_DEEP_SLEEP:
1139         case STATE_SLEEP:
1140         case STATE_STANDBY:
1141         case STATE_AWAKE:
1142                 retval = rt2500pci_set_state(rt2x00dev, state);
1143                 break;
1144         default:
1145                 retval = -ENOTSUPP;
1146                 break;
1147         }
1148
1149         if (unlikely(retval))
1150                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
1151                       state, retval);
1152
1153         return retval;
1154 }
1155
1156 /*
1157  * TX descriptor initialization
1158  */
1159 static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1160                                     struct sk_buff *skb,
1161                                     struct txentry_desc *txdesc)
1162 {
1163         struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
1164         struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data;
1165         __le32 *txd = skbdesc->desc;
1166         u32 word;
1167
1168         /*
1169          * Start writing the descriptor words.
1170          */
1171         rt2x00_desc_read(entry_priv->desc, 1, &word);
1172         rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma);
1173         rt2x00_desc_write(entry_priv->desc, 1, word);
1174
1175         rt2x00_desc_read(txd, 2, &word);
1176         rt2x00_set_field32(&word, TXD_W2_IV_OFFSET, IEEE80211_HEADER);
1177         rt2x00_set_field32(&word, TXD_W2_AIFS, txdesc->aifs);
1178         rt2x00_set_field32(&word, TXD_W2_CWMIN, txdesc->cw_min);
1179         rt2x00_set_field32(&word, TXD_W2_CWMAX, txdesc->cw_max);
1180         rt2x00_desc_write(txd, 2, word);
1181
1182         rt2x00_desc_read(txd, 3, &word);
1183         rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL, txdesc->signal);
1184         rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE, txdesc->service);
1185         rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_LOW, txdesc->length_low);
1186         rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_HIGH, txdesc->length_high);
1187         rt2x00_desc_write(txd, 3, word);
1188
1189         rt2x00_desc_read(txd, 10, &word);
1190         rt2x00_set_field32(&word, TXD_W10_RTS,
1191                            test_bit(ENTRY_TXD_RTS_FRAME, &txdesc->flags));
1192         rt2x00_desc_write(txd, 10, word);
1193
1194         rt2x00_desc_read(txd, 0, &word);
1195         rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1);
1196         rt2x00_set_field32(&word, TXD_W0_VALID, 1);
1197         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1198                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1199         rt2x00_set_field32(&word, TXD_W0_ACK,
1200                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1201         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1202                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1203         rt2x00_set_field32(&word, TXD_W0_OFDM,
1204                            (txdesc->rate_mode == RATE_MODE_OFDM));
1205         rt2x00_set_field32(&word, TXD_W0_CIPHER_OWNER, 1);
1206         rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1207         rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
1208                            test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
1209         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len);
1210         rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE);
1211         rt2x00_desc_write(txd, 0, word);
1212 }
1213
1214 /*
1215  * TX data initialization
1216  */
1217 static void rt2500pci_write_beacon(struct queue_entry *entry)
1218 {
1219         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1220         struct queue_entry_priv_pci *entry_priv = entry->priv_data;
1221         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1222         u32 word;
1223         u32 reg;
1224
1225         /*
1226          * Disable beaconing while we are reloading the beacon data,
1227          * otherwise we might be sending out invalid data.
1228          */
1229         rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
1230         rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 0);
1231         rt2x00_set_field32(&reg, CSR14_TBCN, 0);
1232         rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
1233         rt2x00pci_register_write(rt2x00dev, CSR14, reg);
1234
1235         /*
1236          * Replace rt2x00lib allocated descriptor with the
1237          * pointer to the _real_ hardware descriptor.
1238          * After that, map the beacon to DMA and update the
1239          * descriptor.
1240          */
1241         memcpy(entry_priv->desc, skbdesc->desc, skbdesc->desc_len);
1242         skbdesc->desc = entry_priv->desc;
1243
1244         rt2x00queue_map_txskb(rt2x00dev, entry->skb);
1245
1246         rt2x00_desc_read(entry_priv->desc, 1, &word);
1247         rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma);
1248         rt2x00_desc_write(entry_priv->desc, 1, word);
1249 }
1250
1251 static void rt2500pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1252                                     const enum data_queue_qid queue)
1253 {
1254         u32 reg;
1255
1256         if (queue == QID_BEACON) {
1257                 rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
1258                 if (!rt2x00_get_field32(reg, CSR14_BEACON_GEN)) {
1259                         rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 1);
1260                         rt2x00_set_field32(&reg, CSR14_TBCN, 1);
1261                         rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 1);
1262                         rt2x00pci_register_write(rt2x00dev, CSR14, reg);
1263                 }
1264                 return;
1265         }
1266
1267         rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
1268         rt2x00_set_field32(&reg, TXCSR0_KICK_PRIO, (queue == QID_AC_BE));
1269         rt2x00_set_field32(&reg, TXCSR0_KICK_TX, (queue == QID_AC_BK));
1270         rt2x00_set_field32(&reg, TXCSR0_KICK_ATIM, (queue == QID_ATIM));
1271         rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
1272 }
1273
1274 static void rt2500pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
1275                                     const enum data_queue_qid qid)
1276 {
1277         u32 reg;
1278
1279         if (qid == QID_BEACON) {
1280                 rt2x00pci_register_write(rt2x00dev, CSR14, 0);
1281         } else {
1282                 rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
1283                 rt2x00_set_field32(&reg, TXCSR0_ABORT, 1);
1284                 rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
1285         }
1286 }
1287
1288 /*
1289  * RX control handlers
1290  */
1291 static void rt2500pci_fill_rxdone(struct queue_entry *entry,
1292                                   struct rxdone_entry_desc *rxdesc)
1293 {
1294         struct queue_entry_priv_pci *entry_priv = entry->priv_data;
1295         u32 word0;
1296         u32 word2;
1297
1298         rt2x00_desc_read(entry_priv->desc, 0, &word0);
1299         rt2x00_desc_read(entry_priv->desc, 2, &word2);
1300
1301         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1302                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1303         if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
1304                 rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
1305
1306         /*
1307          * Obtain the status about this packet.
1308          * When frame was received with an OFDM bitrate,
1309          * the signal is the PLCP value. If it was received with
1310          * a CCK bitrate the signal is the rate in 100kbit/s.
1311          */
1312         rxdesc->signal = rt2x00_get_field32(word2, RXD_W2_SIGNAL);
1313         rxdesc->rssi = rt2x00_get_field32(word2, RXD_W2_RSSI) -
1314             entry->queue->rt2x00dev->rssi_offset;
1315         rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1316
1317         if (rt2x00_get_field32(word0, RXD_W0_OFDM))
1318                 rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
1319         else
1320                 rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE;
1321         if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
1322                 rxdesc->dev_flags |= RXDONE_MY_BSS;
1323 }
1324
1325 /*
1326  * Interrupt functions.
1327  */
1328 static void rt2500pci_txdone(struct rt2x00_dev *rt2x00dev,
1329                              const enum data_queue_qid queue_idx)
1330 {
1331         struct data_queue *queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
1332         struct queue_entry_priv_pci *entry_priv;
1333         struct queue_entry *entry;
1334         struct txdone_entry_desc txdesc;
1335         u32 word;
1336
1337         while (!rt2x00queue_empty(queue)) {
1338                 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
1339                 entry_priv = entry->priv_data;
1340                 rt2x00_desc_read(entry_priv->desc, 0, &word);
1341
1342                 if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
1343                     !rt2x00_get_field32(word, TXD_W0_VALID))
1344                         break;
1345
1346                 /*
1347                  * Obtain the status about this packet.
1348                  */
1349                 txdesc.flags = 0;
1350                 switch (rt2x00_get_field32(word, TXD_W0_RESULT)) {
1351                 case 0: /* Success */
1352                 case 1: /* Success with retry */
1353                         __set_bit(TXDONE_SUCCESS, &txdesc.flags);
1354                         break;
1355                 case 2: /* Failure, excessive retries */
1356                         __set_bit(TXDONE_EXCESSIVE_RETRY, &txdesc.flags);
1357                         /* Don't break, this is a failed frame! */
1358                 default: /* Failure */
1359                         __set_bit(TXDONE_FAILURE, &txdesc.flags);
1360                 }
1361                 txdesc.retry = rt2x00_get_field32(word, TXD_W0_RETRY_COUNT);
1362
1363                 rt2x00lib_txdone(entry, &txdesc);
1364         }
1365 }
1366
1367 static irqreturn_t rt2500pci_interrupt(int irq, void *dev_instance)
1368 {
1369         struct rt2x00_dev *rt2x00dev = dev_instance;
1370         u32 reg;
1371
1372         /*
1373          * Get the interrupt sources & saved to local variable.
1374          * Write register value back to clear pending interrupts.
1375          */
1376         rt2x00pci_register_read(rt2x00dev, CSR7, &reg);
1377         rt2x00pci_register_write(rt2x00dev, CSR7, reg);
1378
1379         if (!reg)
1380                 return IRQ_NONE;
1381
1382         if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
1383                 return IRQ_HANDLED;
1384
1385         /*
1386          * Handle interrupts, walk through all bits
1387          * and run the tasks, the bits are checked in order of
1388          * priority.
1389          */
1390
1391         /*
1392          * 1 - Beacon timer expired interrupt.
1393          */
1394         if (rt2x00_get_field32(reg, CSR7_TBCN_EXPIRE))
1395                 rt2x00lib_beacondone(rt2x00dev);
1396
1397         /*
1398          * 2 - Rx ring done interrupt.
1399          */
1400         if (rt2x00_get_field32(reg, CSR7_RXDONE))
1401                 rt2x00pci_rxdone(rt2x00dev);
1402
1403         /*
1404          * 3 - Atim ring transmit done interrupt.
1405          */
1406         if (rt2x00_get_field32(reg, CSR7_TXDONE_ATIMRING))
1407                 rt2500pci_txdone(rt2x00dev, QID_ATIM);
1408
1409         /*
1410          * 4 - Priority ring transmit done interrupt.
1411          */
1412         if (rt2x00_get_field32(reg, CSR7_TXDONE_PRIORING))
1413                 rt2500pci_txdone(rt2x00dev, QID_AC_BE);
1414
1415         /*
1416          * 5 - Tx ring transmit done interrupt.
1417          */
1418         if (rt2x00_get_field32(reg, CSR7_TXDONE_TXRING))
1419                 rt2500pci_txdone(rt2x00dev, QID_AC_BK);
1420
1421         return IRQ_HANDLED;
1422 }
1423
1424 /*
1425  * Device probe functions.
1426  */
1427 static int rt2500pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1428 {
1429         struct eeprom_93cx6 eeprom;
1430         u32 reg;
1431         u16 word;
1432         u8 *mac;
1433
1434         rt2x00pci_register_read(rt2x00dev, CSR21, &reg);
1435
1436         eeprom.data = rt2x00dev;
1437         eeprom.register_read = rt2500pci_eepromregister_read;
1438         eeprom.register_write = rt2500pci_eepromregister_write;
1439         eeprom.width = rt2x00_get_field32(reg, CSR21_TYPE_93C46) ?
1440             PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66;
1441         eeprom.reg_data_in = 0;
1442         eeprom.reg_data_out = 0;
1443         eeprom.reg_data_clock = 0;
1444         eeprom.reg_chip_select = 0;
1445
1446         eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
1447                                EEPROM_SIZE / sizeof(u16));
1448
1449         /*
1450          * Start validation of the data that has been read.
1451          */
1452         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1453         if (!is_valid_ether_addr(mac)) {
1454                 random_ether_addr(mac);
1455                 EEPROM(rt2x00dev, "MAC: %pM\n", mac);
1456         }
1457
1458         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1459         if (word == 0xffff) {
1460                 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1461                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1462                                    ANTENNA_SW_DIVERSITY);
1463                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1464                                    ANTENNA_SW_DIVERSITY);
1465                 rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE,
1466                                    LED_MODE_DEFAULT);
1467                 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1468                 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1469                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522);
1470                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1471                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1472         }
1473
1474         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1475         if (word == 0xffff) {
1476                 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1477                 rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0);
1478                 rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0);
1479                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1480                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1481         }
1482
1483         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word);
1484         if (word == 0xffff) {
1485                 rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI,
1486                                    DEFAULT_RSSI_OFFSET);
1487                 rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word);
1488                 EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word);
1489         }
1490
1491         return 0;
1492 }
1493
1494 static int rt2500pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
1495 {
1496         u32 reg;
1497         u16 value;
1498         u16 eeprom;
1499
1500         /*
1501          * Read EEPROM word for configuration.
1502          */
1503         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1504
1505         /*
1506          * Identify RF chipset.
1507          */
1508         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1509         rt2x00pci_register_read(rt2x00dev, CSR0, &reg);
1510         rt2x00_set_chip_rf(rt2x00dev, value, reg);
1511
1512         if (!rt2x00_rf(&rt2x00dev->chip, RF2522) &&
1513             !rt2x00_rf(&rt2x00dev->chip, RF2523) &&
1514             !rt2x00_rf(&rt2x00dev->chip, RF2524) &&
1515             !rt2x00_rf(&rt2x00dev->chip, RF2525) &&
1516             !rt2x00_rf(&rt2x00dev->chip, RF2525E) &&
1517             !rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1518                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1519                 return -ENODEV;
1520         }
1521
1522         /*
1523          * Identify default antenna configuration.
1524          */
1525         rt2x00dev->default_ant.tx =
1526             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1527         rt2x00dev->default_ant.rx =
1528             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1529
1530         /*
1531          * Store led mode, for correct led behaviour.
1532          */
1533 #ifdef CONFIG_RT2X00_LIB_LEDS
1534         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
1535
1536         rt2500pci_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
1537         if (value == LED_MODE_TXRX_ACTIVITY ||
1538             value == LED_MODE_DEFAULT ||
1539             value == LED_MODE_ASUS)
1540                 rt2500pci_init_led(rt2x00dev, &rt2x00dev->led_qual,
1541                                    LED_TYPE_ACTIVITY);
1542 #endif /* CONFIG_RT2X00_LIB_LEDS */
1543
1544         /*
1545          * Detect if this device has an hardware controlled radio.
1546          */
1547         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
1548                 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
1549
1550         /*
1551          * Check if the BBP tuning should be enabled.
1552          */
1553         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1554
1555         if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE))
1556                 __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
1557
1558         /*
1559          * Read the RSSI <-> dBm offset information.
1560          */
1561         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom);
1562         rt2x00dev->rssi_offset =
1563             rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI);
1564
1565         return 0;
1566 }
1567
1568 /*
1569  * RF value list for RF2522
1570  * Supports: 2.4 GHz
1571  */
1572 static const struct rf_channel rf_vals_bg_2522[] = {
1573         { 1,  0x00002050, 0x000c1fda, 0x00000101, 0 },
1574         { 2,  0x00002050, 0x000c1fee, 0x00000101, 0 },
1575         { 3,  0x00002050, 0x000c2002, 0x00000101, 0 },
1576         { 4,  0x00002050, 0x000c2016, 0x00000101, 0 },
1577         { 5,  0x00002050, 0x000c202a, 0x00000101, 0 },
1578         { 6,  0x00002050, 0x000c203e, 0x00000101, 0 },
1579         { 7,  0x00002050, 0x000c2052, 0x00000101, 0 },
1580         { 8,  0x00002050, 0x000c2066, 0x00000101, 0 },
1581         { 9,  0x00002050, 0x000c207a, 0x00000101, 0 },
1582         { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
1583         { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
1584         { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
1585         { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
1586         { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
1587 };
1588
1589 /*
1590  * RF value list for RF2523
1591  * Supports: 2.4 GHz
1592  */
1593 static const struct rf_channel rf_vals_bg_2523[] = {
1594         { 1,  0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
1595         { 2,  0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
1596         { 3,  0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
1597         { 4,  0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
1598         { 5,  0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
1599         { 6,  0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
1600         { 7,  0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
1601         { 8,  0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
1602         { 9,  0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
1603         { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
1604         { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
1605         { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
1606         { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
1607         { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
1608 };
1609
1610 /*
1611  * RF value list for RF2524
1612  * Supports: 2.4 GHz
1613  */
1614 static const struct rf_channel rf_vals_bg_2524[] = {
1615         { 1,  0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
1616         { 2,  0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
1617         { 3,  0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
1618         { 4,  0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
1619         { 5,  0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
1620         { 6,  0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
1621         { 7,  0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
1622         { 8,  0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
1623         { 9,  0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
1624         { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
1625         { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
1626         { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
1627         { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
1628         { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
1629 };
1630
1631 /*
1632  * RF value list for RF2525
1633  * Supports: 2.4 GHz
1634  */
1635 static const struct rf_channel rf_vals_bg_2525[] = {
1636         { 1,  0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
1637         { 2,  0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
1638         { 3,  0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
1639         { 4,  0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
1640         { 5,  0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
1641         { 6,  0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
1642         { 7,  0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
1643         { 8,  0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
1644         { 9,  0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
1645         { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
1646         { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
1647         { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
1648         { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
1649         { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
1650 };
1651
1652 /*
1653  * RF value list for RF2525e
1654  * Supports: 2.4 GHz
1655  */
1656 static const struct rf_channel rf_vals_bg_2525e[] = {
1657         { 1,  0x00022020, 0x00081136, 0x00060111, 0x00000a0b },
1658         { 2,  0x00022020, 0x0008113a, 0x00060111, 0x00000a0b },
1659         { 3,  0x00022020, 0x0008113e, 0x00060111, 0x00000a0b },
1660         { 4,  0x00022020, 0x00081182, 0x00060111, 0x00000a0b },
1661         { 5,  0x00022020, 0x00081186, 0x00060111, 0x00000a0b },
1662         { 6,  0x00022020, 0x0008118a, 0x00060111, 0x00000a0b },
1663         { 7,  0x00022020, 0x0008118e, 0x00060111, 0x00000a0b },
1664         { 8,  0x00022020, 0x00081192, 0x00060111, 0x00000a0b },
1665         { 9,  0x00022020, 0x00081196, 0x00060111, 0x00000a0b },
1666         { 10, 0x00022020, 0x0008119a, 0x00060111, 0x00000a0b },
1667         { 11, 0x00022020, 0x0008119e, 0x00060111, 0x00000a0b },
1668         { 12, 0x00022020, 0x000811a2, 0x00060111, 0x00000a0b },
1669         { 13, 0x00022020, 0x000811a6, 0x00060111, 0x00000a0b },
1670         { 14, 0x00022020, 0x000811ae, 0x00060111, 0x00000a1b },
1671 };
1672
1673 /*
1674  * RF value list for RF5222
1675  * Supports: 2.4 GHz & 5.2 GHz
1676  */
1677 static const struct rf_channel rf_vals_5222[] = {
1678         { 1,  0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
1679         { 2,  0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
1680         { 3,  0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
1681         { 4,  0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
1682         { 5,  0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
1683         { 6,  0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
1684         { 7,  0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
1685         { 8,  0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
1686         { 9,  0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
1687         { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
1688         { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
1689         { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
1690         { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
1691         { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
1692
1693         /* 802.11 UNI / HyperLan 2 */
1694         { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
1695         { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
1696         { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
1697         { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
1698         { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
1699         { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
1700         { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
1701         { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
1702
1703         /* 802.11 HyperLan 2 */
1704         { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
1705         { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
1706         { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
1707         { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
1708         { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
1709         { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
1710         { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
1711         { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
1712         { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
1713         { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
1714
1715         /* 802.11 UNII */
1716         { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
1717         { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
1718         { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
1719         { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
1720         { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
1721 };
1722
1723 static int rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
1724 {
1725         struct hw_mode_spec *spec = &rt2x00dev->spec;
1726         struct channel_info *info;
1727         char *tx_power;
1728         unsigned int i;
1729
1730         /*
1731          * Initialize all hw fields.
1732          */
1733         rt2x00dev->hw->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
1734                                IEEE80211_HW_SIGNAL_DBM |
1735                                IEEE80211_HW_SUPPORTS_PS |
1736                                IEEE80211_HW_PS_NULLFUNC_STACK;
1737
1738         rt2x00dev->hw->extra_tx_headroom = 0;
1739
1740         SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
1741         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1742                                 rt2x00_eeprom_addr(rt2x00dev,
1743                                                    EEPROM_MAC_ADDR_0));
1744
1745         /*
1746          * Initialize hw_mode information.
1747          */
1748         spec->supported_bands = SUPPORT_BAND_2GHZ;
1749         spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
1750
1751         if (rt2x00_rf(&rt2x00dev->chip, RF2522)) {
1752                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
1753                 spec->channels = rf_vals_bg_2522;
1754         } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) {
1755                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
1756                 spec->channels = rf_vals_bg_2523;
1757         } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) {
1758                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
1759                 spec->channels = rf_vals_bg_2524;
1760         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
1761                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
1762                 spec->channels = rf_vals_bg_2525;
1763         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
1764                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
1765                 spec->channels = rf_vals_bg_2525e;
1766         } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1767                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
1768                 spec->num_channels = ARRAY_SIZE(rf_vals_5222);
1769                 spec->channels = rf_vals_5222;
1770         }
1771
1772         /*
1773          * Create channel information array
1774          */
1775         info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
1776         if (!info)
1777                 return -ENOMEM;
1778
1779         spec->channels_info = info;
1780
1781         tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
1782         for (i = 0; i < 14; i++)
1783                 info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
1784
1785         if (spec->num_channels > 14) {
1786                 for (i = 14; i < spec->num_channels; i++)
1787                         info[i].tx_power1 = DEFAULT_TXPOWER;
1788         }
1789
1790         return 0;
1791 }
1792
1793 static int rt2500pci_probe_hw(struct rt2x00_dev *rt2x00dev)
1794 {
1795         int retval;
1796
1797         /*
1798          * Allocate eeprom data.
1799          */
1800         retval = rt2500pci_validate_eeprom(rt2x00dev);
1801         if (retval)
1802                 return retval;
1803
1804         retval = rt2500pci_init_eeprom(rt2x00dev);
1805         if (retval)
1806                 return retval;
1807
1808         /*
1809          * Initialize hw specifications.
1810          */
1811         retval = rt2500pci_probe_hw_mode(rt2x00dev);
1812         if (retval)
1813                 return retval;
1814
1815         /*
1816          * This device requires the atim queue and DMA-mapped skbs.
1817          */
1818         __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
1819         __set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags);
1820
1821         /*
1822          * Set the rssi offset.
1823          */
1824         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1825
1826         return 0;
1827 }
1828
1829 /*
1830  * IEEE80211 stack callback functions.
1831  */
1832 static u64 rt2500pci_get_tsf(struct ieee80211_hw *hw)
1833 {
1834         struct rt2x00_dev *rt2x00dev = hw->priv;
1835         u64 tsf;
1836         u32 reg;
1837
1838         rt2x00pci_register_read(rt2x00dev, CSR17, &reg);
1839         tsf = (u64) rt2x00_get_field32(reg, CSR17_HIGH_TSFTIMER) << 32;
1840         rt2x00pci_register_read(rt2x00dev, CSR16, &reg);
1841         tsf |= rt2x00_get_field32(reg, CSR16_LOW_TSFTIMER);
1842
1843         return tsf;
1844 }
1845
1846 static int rt2500pci_tx_last_beacon(struct ieee80211_hw *hw)
1847 {
1848         struct rt2x00_dev *rt2x00dev = hw->priv;
1849         u32 reg;
1850
1851         rt2x00pci_register_read(rt2x00dev, CSR15, &reg);
1852         return rt2x00_get_field32(reg, CSR15_BEACON_SENT);
1853 }
1854
1855 static const struct ieee80211_ops rt2500pci_mac80211_ops = {
1856         .tx                     = rt2x00mac_tx,
1857         .start                  = rt2x00mac_start,
1858         .stop                   = rt2x00mac_stop,
1859         .add_interface          = rt2x00mac_add_interface,
1860         .remove_interface       = rt2x00mac_remove_interface,
1861         .config                 = rt2x00mac_config,
1862         .configure_filter       = rt2x00mac_configure_filter,
1863         .set_tim                = rt2x00mac_set_tim,
1864         .get_stats              = rt2x00mac_get_stats,
1865         .bss_info_changed       = rt2x00mac_bss_info_changed,
1866         .conf_tx                = rt2x00mac_conf_tx,
1867         .get_tx_stats           = rt2x00mac_get_tx_stats,
1868         .get_tsf                = rt2500pci_get_tsf,
1869         .tx_last_beacon         = rt2500pci_tx_last_beacon,
1870         .rfkill_poll            = rt2x00mac_rfkill_poll,
1871 };
1872
1873 static const struct rt2x00lib_ops rt2500pci_rt2x00_ops = {
1874         .irq_handler            = rt2500pci_interrupt,
1875         .probe_hw               = rt2500pci_probe_hw,
1876         .initialize             = rt2x00pci_initialize,
1877         .uninitialize           = rt2x00pci_uninitialize,
1878         .get_entry_state        = rt2500pci_get_entry_state,
1879         .clear_entry            = rt2500pci_clear_entry,
1880         .set_device_state       = rt2500pci_set_device_state,
1881         .rfkill_poll            = rt2500pci_rfkill_poll,
1882         .link_stats             = rt2500pci_link_stats,
1883         .reset_tuner            = rt2500pci_reset_tuner,
1884         .link_tuner             = rt2500pci_link_tuner,
1885         .write_tx_desc          = rt2500pci_write_tx_desc,
1886         .write_tx_data          = rt2x00pci_write_tx_data,
1887         .write_beacon           = rt2500pci_write_beacon,
1888         .kick_tx_queue          = rt2500pci_kick_tx_queue,
1889         .kill_tx_queue          = rt2500pci_kill_tx_queue,
1890         .fill_rxdone            = rt2500pci_fill_rxdone,
1891         .config_filter          = rt2500pci_config_filter,
1892         .config_intf            = rt2500pci_config_intf,
1893         .config_erp             = rt2500pci_config_erp,
1894         .config_ant             = rt2500pci_config_ant,
1895         .config                 = rt2500pci_config,
1896 };
1897
1898 static const struct data_queue_desc rt2500pci_queue_rx = {
1899         .entry_num              = RX_ENTRIES,
1900         .data_size              = DATA_FRAME_SIZE,
1901         .desc_size              = RXD_DESC_SIZE,
1902         .priv_size              = sizeof(struct queue_entry_priv_pci),
1903 };
1904
1905 static const struct data_queue_desc rt2500pci_queue_tx = {
1906         .entry_num              = TX_ENTRIES,
1907         .data_size              = DATA_FRAME_SIZE,
1908         .desc_size              = TXD_DESC_SIZE,
1909         .priv_size              = sizeof(struct queue_entry_priv_pci),
1910 };
1911
1912 static const struct data_queue_desc rt2500pci_queue_bcn = {
1913         .entry_num              = BEACON_ENTRIES,
1914         .data_size              = MGMT_FRAME_SIZE,
1915         .desc_size              = TXD_DESC_SIZE,
1916         .priv_size              = sizeof(struct queue_entry_priv_pci),
1917 };
1918
1919 static const struct data_queue_desc rt2500pci_queue_atim = {
1920         .entry_num              = ATIM_ENTRIES,
1921         .data_size              = DATA_FRAME_SIZE,
1922         .desc_size              = TXD_DESC_SIZE,
1923         .priv_size              = sizeof(struct queue_entry_priv_pci),
1924 };
1925
1926 static const struct rt2x00_ops rt2500pci_ops = {
1927         .name           = KBUILD_MODNAME,
1928         .max_sta_intf   = 1,
1929         .max_ap_intf    = 1,
1930         .eeprom_size    = EEPROM_SIZE,
1931         .rf_size        = RF_SIZE,
1932         .tx_queues      = NUM_TX_QUEUES,
1933         .rx             = &rt2500pci_queue_rx,
1934         .tx             = &rt2500pci_queue_tx,
1935         .bcn            = &rt2500pci_queue_bcn,
1936         .atim           = &rt2500pci_queue_atim,
1937         .lib            = &rt2500pci_rt2x00_ops,
1938         .hw             = &rt2500pci_mac80211_ops,
1939 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1940         .debugfs        = &rt2500pci_rt2x00debug,
1941 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1942 };
1943
1944 /*
1945  * RT2500pci module information.
1946  */
1947 static struct pci_device_id rt2500pci_device_table[] = {
1948         { PCI_DEVICE(0x1814, 0x0201), PCI_DEVICE_DATA(&rt2500pci_ops) },
1949         { 0, }
1950 };
1951
1952 MODULE_AUTHOR(DRV_PROJECT);
1953 MODULE_VERSION(DRV_VERSION);
1954 MODULE_DESCRIPTION("Ralink RT2500 PCI & PCMCIA Wireless LAN driver.");
1955 MODULE_SUPPORTED_DEVICE("Ralink RT2560 PCI & PCMCIA chipset based cards");
1956 MODULE_DEVICE_TABLE(pci, rt2500pci_device_table);
1957 MODULE_LICENSE("GPL");
1958
1959 static struct pci_driver rt2500pci_driver = {
1960         .name           = KBUILD_MODNAME,
1961         .id_table       = rt2500pci_device_table,
1962         .probe          = rt2x00pci_probe,
1963         .remove         = __devexit_p(rt2x00pci_remove),
1964         .suspend        = rt2x00pci_suspend,
1965         .resume         = rt2x00pci_resume,
1966 };
1967
1968 static int __init rt2500pci_init(void)
1969 {
1970         return pci_register_driver(&rt2500pci_driver);
1971 }
1972
1973 static void __exit rt2500pci_exit(void)
1974 {
1975         pci_unregister_driver(&rt2500pci_driver);
1976 }
1977
1978 module_init(rt2500pci_init);
1979 module_exit(rt2500pci_exit);