git.oblomov.eu Git - linux-2.6/blob - drivers/net/wireless/rt2x00/rt2500pci.c

   1 /*
   2         Copyright (C) 2004 - 2008 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 static u32 rt2500pci_bbp_check(struct rt2x00_dev *rt2x00dev)
  53 {
  54         u32 reg;
  55         unsigned int i;
  56
  57         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
  58                 rt2x00pci_register_read(rt2x00dev, BBPCSR, &reg);
  59                 if (!rt2x00_get_field32(reg, BBPCSR_BUSY))
  60                         break;
  61                 udelay(REGISTER_BUSY_DELAY);
  62         }
  63
  64         return reg;
  65 }
  66
  67 static void rt2500pci_bbp_write(struct rt2x00_dev *rt2x00dev,
  68                                 const unsigned int word, const u8 value)
  69 {
  70         u32 reg;
  71
  72         /*
  73          * Wait until the BBP becomes ready.
  74          */
  75         reg = rt2500pci_bbp_check(rt2x00dev);
  76         if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
  77                 ERROR(rt2x00dev, "BBPCSR register busy. Write failed.\n");
  78                 return;
  79         }
  80
  81         /*
  82          * Write the data into the BBP.
  83          */
  84         reg = 0;
  85         rt2x00_set_field32(&reg, BBPCSR_VALUE, value);
  86         rt2x00_set_field32(&reg, BBPCSR_REGNUM, word);
  87         rt2x00_set_field32(&reg, BBPCSR_BUSY, 1);
  88         rt2x00_set_field32(&reg, BBPCSR_WRITE_CONTROL, 1);
  89
  90         rt2x00pci_register_write(rt2x00dev, BBPCSR, reg);
  91 }
  92
  93 static void rt2500pci_bbp_read(struct rt2x00_dev *rt2x00dev,
  94                                const unsigned int word, u8 *value)
  95 {
  96         u32 reg;
  97
  98         /*
  99          * Wait until the BBP becomes ready.
 100          */
 101         reg = rt2500pci_bbp_check(rt2x00dev);
 102         if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
 103                 ERROR(rt2x00dev, "BBPCSR register busy. Read failed.\n");
 104                 return;
 105         }
 106
 107         /*
 108          * Write the request into the BBP.
 109          */
 110         reg = 0;
 111         rt2x00_set_field32(&reg, BBPCSR_REGNUM, word);
 112         rt2x00_set_field32(&reg, BBPCSR_BUSY, 1);
 113         rt2x00_set_field32(&reg, BBPCSR_WRITE_CONTROL, 0);
 114
 115         rt2x00pci_register_write(rt2x00dev, BBPCSR, reg);
 116
 117         /*
 118          * Wait until the BBP becomes ready.
 119          */
 120         reg = rt2500pci_bbp_check(rt2x00dev);
 121         if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
 122                 ERROR(rt2x00dev, "BBPCSR register busy. Read failed.\n");
 123                 *value = 0xff;
 124                 return;
 125         }
 126
 127         *value = rt2x00_get_field32(reg, BBPCSR_VALUE);
 128 }
 129
 130 static void rt2500pci_rf_write(struct rt2x00_dev *rt2x00dev,
 131                                const unsigned int word, const u32 value)
 132 {
 133         u32 reg;
 134         unsigned int i;
 135
 136         if (!word)
 137                 return;
 138
 139         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 140                 rt2x00pci_register_read(rt2x00dev, RFCSR, &reg);
 141                 if (!rt2x00_get_field32(reg, RFCSR_BUSY))
 142                         goto rf_write;
 143                 udelay(REGISTER_BUSY_DELAY);
 144         }
 145
 146         ERROR(rt2x00dev, "RFCSR register busy. Write failed.\n");
 147         return;
 148
 149 rf_write:
 150         reg = 0;
 151         rt2x00_set_field32(&reg, RFCSR_VALUE, value);
 152         rt2x00_set_field32(&reg, RFCSR_NUMBER_OF_BITS, 20);
 153         rt2x00_set_field32(&reg, RFCSR_IF_SELECT, 0);
 154         rt2x00_set_field32(&reg, RFCSR_BUSY, 1);
 155
 156         rt2x00pci_register_write(rt2x00dev, RFCSR, reg);
 157         rt2x00_rf_write(rt2x00dev, word, value);
 158 }
 159
 160 static void rt2500pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
 161 {
 162         struct rt2x00_dev *rt2x00dev = eeprom->data;
 163         u32 reg;
 164
 165         rt2x00pci_register_read(rt2x00dev, CSR21, &reg);
 166
 167         eeprom->reg_data_in = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_IN);
 168         eeprom->reg_data_out = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_OUT);
 169         eeprom->reg_data_clock =
 170             !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_CLOCK);
 171         eeprom->reg_chip_select =
 172             !!rt2x00_get_field32(reg, CSR21_EEPROM_CHIP_SELECT);
 173 }
 174
 175 static void rt2500pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
 176 {
 177         struct rt2x00_dev *rt2x00dev = eeprom->data;
 178         u32 reg = 0;
 179
 180         rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_IN, !!eeprom->reg_data_in);
 181         rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_OUT, !!eeprom->reg_data_out);
 182         rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_CLOCK,
 183                            !!eeprom->reg_data_clock);
 184         rt2x00_set_field32(&reg, CSR21_EEPROM_CHIP_SELECT,
 185                            !!eeprom->reg_chip_select);
 186
 187         rt2x00pci_register_write(rt2x00dev, CSR21, reg);
 188 }
 189
 190 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 191 #define CSR_OFFSET(__word)      ( CSR_REG_BASE + ((__word) * sizeof(u32)) )
 192
 193 static void rt2500pci_read_csr(struct rt2x00_dev *rt2x00dev,
 194                                const unsigned int word, u32 *data)
 195 {
 196         rt2x00pci_register_read(rt2x00dev, CSR_OFFSET(word), data);
 197 }
 198
 199 static void rt2500pci_write_csr(struct rt2x00_dev *rt2x00dev,
 200                                 const unsigned int word, u32 data)
 201 {
 202         rt2x00pci_register_write(rt2x00dev, CSR_OFFSET(word), data);
 203 }
 204
 205 static const struct rt2x00debug rt2500pci_rt2x00debug = {
 206         .owner  = THIS_MODULE,
 207         .csr    = {
 208                 .read           = rt2500pci_read_csr,
 209                 .write          = rt2500pci_write_csr,
 210                 .word_size      = sizeof(u32),
 211                 .word_count     = CSR_REG_SIZE / sizeof(u32),
 212         },
 213         .eeprom = {
 214                 .read           = rt2x00_eeprom_read,
 215                 .write          = rt2x00_eeprom_write,
 216                 .word_size      = sizeof(u16),
 217                 .word_count     = EEPROM_SIZE / sizeof(u16),
 218         },
 219         .bbp    = {
 220                 .read           = rt2500pci_bbp_read,
 221                 .write          = rt2500pci_bbp_write,
 222                 .word_size      = sizeof(u8),
 223                 .word_count     = BBP_SIZE / sizeof(u8),
 224         },
 225         .rf     = {
 226                 .read           = rt2x00_rf_read,
 227                 .write          = rt2500pci_rf_write,
 228                 .word_size      = sizeof(u32),
 229                 .word_count     = RF_SIZE / sizeof(u32),
 230         },
 231 };
 232 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 233
 234 #ifdef CONFIG_RT2500PCI_RFKILL
 235 static int rt2500pci_rfkill_poll(struct rt2x00_dev *rt2x00dev)
 236 {
 237         u32 reg;
 238
 239         rt2x00pci_register_read(rt2x00dev, GPIOCSR, &reg);
 240         return rt2x00_get_field32(reg, GPIOCSR_BIT0);
 241 }
 242 #else
 243 #define rt2500pci_rfkill_poll   NULL
 244 #endif /* CONFIG_RT2500PCI_RFKILL */
 245
 246 #ifdef CONFIG_RT2500PCI_LEDS
 247 static void rt2500pci_brightness_set(struct led_classdev *led_cdev,
 248                                      enum led_brightness brightness)
 249 {
 250         struct rt2x00_led *led =
 251             container_of(led_cdev, struct rt2x00_led, led_dev);
 252         unsigned int enabled = brightness != LED_OFF;
 253         u32 reg;
 254
 255         rt2x00pci_register_read(led->rt2x00dev, LEDCSR, &reg);
 256
 257         if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC)
 258                 rt2x00_set_field32(&reg, LEDCSR_LINK, enabled);
 259         else if (led->type == LED_TYPE_ACTIVITY)
 260                 rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, enabled);
 261
 262         rt2x00pci_register_write(led->rt2x00dev, LEDCSR, reg);
 263 }
 264
 265 static int rt2500pci_blink_set(struct led_classdev *led_cdev,
 266                                unsigned long *delay_on,
 267                                unsigned long *delay_off)
 268 {
 269         struct rt2x00_led *led =
 270             container_of(led_cdev, struct rt2x00_led, led_dev);
 271         u32 reg;
 272
 273         rt2x00pci_register_read(led->rt2x00dev, LEDCSR, &reg);
 274         rt2x00_set_field32(&reg, LEDCSR_ON_PERIOD, *delay_on);
 275         rt2x00_set_field32(&reg, LEDCSR_OFF_PERIOD, *delay_off);
 276         rt2x00pci_register_write(led->rt2x00dev, LEDCSR, reg);
 277
 278         return 0;
 279 }
 280
 281 static void rt2500pci_init_led(struct rt2x00_dev *rt2x00dev,
 282                                struct rt2x00_led *led,
 283                                enum led_type type)
 284 {
 285         led->rt2x00dev = rt2x00dev;
 286         led->type = type;
 287         led->led_dev.brightness_set = rt2500pci_brightness_set;
 288         led->led_dev.blink_set = rt2500pci_blink_set;
 289         led->flags = LED_INITIALIZED;
 290 }
 291 #endif /* CONFIG_RT2500PCI_LEDS */
 292
 293 /*
 294  * Configuration handlers.
 295  */
 296 static void rt2500pci_config_filter(struct rt2x00_dev *rt2x00dev,
 297                                     const unsigned int filter_flags)
 298 {
 299         u32 reg;
 300
 301         /*
 302          * Start configuration steps.
 303          * Note that the version error will always be dropped
 304          * and broadcast frames will always be accepted since
 305          * there is no filter for it at this time.
 306          */
 307         rt2x00pci_register_read(rt2x00dev, RXCSR0, &reg);
 308         rt2x00_set_field32(&reg, RXCSR0_DROP_CRC,
 309                            !(filter_flags & FIF_FCSFAIL));
 310         rt2x00_set_field32(&reg, RXCSR0_DROP_PHYSICAL,
 311                            !(filter_flags & FIF_PLCPFAIL));
 312         rt2x00_set_field32(&reg, RXCSR0_DROP_CONTROL,
 313                            !(filter_flags & FIF_CONTROL));
 314         rt2x00_set_field32(&reg, RXCSR0_DROP_NOT_TO_ME,
 315                            !(filter_flags & FIF_PROMISC_IN_BSS));
 316         rt2x00_set_field32(&reg, RXCSR0_DROP_TODS,
 317                            !(filter_flags & FIF_PROMISC_IN_BSS) &&
 318                            !rt2x00dev->intf_ap_count);
 319         rt2x00_set_field32(&reg, RXCSR0_DROP_VERSION_ERROR, 1);
 320         rt2x00_set_field32(&reg, RXCSR0_DROP_MCAST,
 321                            !(filter_flags & FIF_ALLMULTI));
 322         rt2x00_set_field32(&reg, RXCSR0_DROP_BCAST, 0);
 323         rt2x00pci_register_write(rt2x00dev, RXCSR0, reg);
 324 }
 325
 326 static void rt2500pci_config_intf(struct rt2x00_dev *rt2x00dev,
 327                                   struct rt2x00_intf *intf,
 328                                   struct rt2x00intf_conf *conf,
 329                                   const unsigned int flags)
 330 {
 331         struct data_queue *queue = rt2x00queue_get_queue(rt2x00dev, QID_BEACON);
 332         unsigned int bcn_preload;
 333         u32 reg;
 334
 335         if (flags & CONFIG_UPDATE_TYPE) {
 336                 /*
 337                  * Enable beacon config
 338                  */
 339                 bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
 340                 rt2x00pci_register_read(rt2x00dev, BCNCSR1, &reg);
 341                 rt2x00_set_field32(&reg, BCNCSR1_PRELOAD, bcn_preload);
 342                 rt2x00_set_field32(&reg, BCNCSR1_BEACON_CWMIN, queue->cw_min);
 343                 rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
 344
 345                 /*
 346                  * Enable synchronisation.
 347                  */
 348                 rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
 349                 rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 1);
 350                 rt2x00_set_field32(&reg, CSR14_TSF_SYNC, conf->sync);
 351                 rt2x00_set_field32(&reg, CSR14_TBCN, 1);
 352                 rt2x00pci_register_write(rt2x00dev, CSR14, reg);
 353         }
 354
 355         if (flags & CONFIG_UPDATE_MAC)
 356                 rt2x00pci_register_multiwrite(rt2x00dev, CSR3,
 357                                               conf->mac, sizeof(conf->mac));
 358
 359         if (flags & CONFIG_UPDATE_BSSID)
 360                 rt2x00pci_register_multiwrite(rt2x00dev, CSR5,
 361                                               conf->bssid, sizeof(conf->bssid));
 362 }
 363
 364 static void rt2500pci_config_erp(struct rt2x00_dev *rt2x00dev,
 365                                  struct rt2x00lib_erp *erp)
 366 {
 367         int preamble_mask;
 368         u32 reg;
 369
 370         /*
 371          * When short preamble is enabled, we should set bit 0x08
 372          */
 373         preamble_mask = erp->short_preamble << 3;
 374
 375         rt2x00pci_register_read(rt2x00dev, TXCSR1, &reg);
 376         rt2x00_set_field32(&reg, TXCSR1_ACK_TIMEOUT,
 377                            erp->ack_timeout);
 378         rt2x00_set_field32(&reg, TXCSR1_ACK_CONSUME_TIME,
 379                            erp->ack_consume_time);
 380         rt2x00pci_register_write(rt2x00dev, TXCSR1, reg);
 381
 382         rt2x00pci_register_read(rt2x00dev, ARCSR2, &reg);
 383         rt2x00_set_field32(&reg, ARCSR2_SIGNAL, 0x00);
 384         rt2x00_set_field32(&reg, ARCSR2_SERVICE, 0x04);
 385         rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 10));
 386         rt2x00pci_register_write(rt2x00dev, ARCSR2, reg);
 387
 388         rt2x00pci_register_read(rt2x00dev, ARCSR3, &reg);
 389         rt2x00_set_field32(&reg, ARCSR3_SIGNAL, 0x01 | preamble_mask);
 390         rt2x00_set_field32(&reg, ARCSR3_SERVICE, 0x04);
 391         rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 20));
 392         rt2x00pci_register_write(rt2x00dev, ARCSR3, reg);
 393
 394         rt2x00pci_register_read(rt2x00dev, ARCSR4, &reg);
 395         rt2x00_set_field32(&reg, ARCSR4_SIGNAL, 0x02 | preamble_mask);
 396         rt2x00_set_field32(&reg, ARCSR4_SERVICE, 0x04);
 397         rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 55));
 398         rt2x00pci_register_write(rt2x00dev, ARCSR4, reg);
 399
 400         rt2x00pci_register_read(rt2x00dev, ARCSR5, &reg);
 401         rt2x00_set_field32(&reg, ARCSR5_SIGNAL, 0x03 | preamble_mask);
 402         rt2x00_set_field32(&reg, ARCSR5_SERVICE, 0x84);
 403         rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 110));
 404         rt2x00pci_register_write(rt2x00dev, ARCSR5, reg);
 405 }
 406
 407 static void rt2500pci_config_phymode(struct rt2x00_dev *rt2x00dev,
 408                                      const int basic_rate_mask)
 409 {
 410         rt2x00pci_register_write(rt2x00dev, ARCSR1, basic_rate_mask);
 411 }
 412
 413 static void rt2500pci_config_channel(struct rt2x00_dev *rt2x00dev,
 414                                      struct rf_channel *rf, const int txpower)
 415 {
 416         u8 r70;
 417
 418         /*
 419          * Set TXpower.
 420          */
 421         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 422
 423         /*
 424          * Switch on tuning bits.
 425          * For RT2523 devices we do not need to update the R1 register.
 426          */
 427         if (!rt2x00_rf(&rt2x00dev->chip, RF2523))
 428                 rt2x00_set_field32(&rf->rf1, RF1_TUNER, 1);
 429         rt2x00_set_field32(&rf->rf3, RF3_TUNER, 1);
 430
 431         /*
 432          * For RT2525 we should first set the channel to half band higher.
 433          */
 434         if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
 435                 static const u32 vals[] = {
 436                         0x00080cbe, 0x00080d02, 0x00080d06, 0x00080d0a,
 437                         0x00080d0e, 0x00080d12, 0x00080d16, 0x00080d1a,
 438                         0x00080d1e, 0x00080d22, 0x00080d26, 0x00080d2a,
 439                         0x00080d2e, 0x00080d3a
 440                 };
 441
 442                 rt2500pci_rf_write(rt2x00dev, 1, rf->rf1);
 443                 rt2500pci_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
 444                 rt2500pci_rf_write(rt2x00dev, 3, rf->rf3);
 445                 if (rf->rf4)
 446                         rt2500pci_rf_write(rt2x00dev, 4, rf->rf4);
 447         }
 448
 449         rt2500pci_rf_write(rt2x00dev, 1, rf->rf1);
 450         rt2500pci_rf_write(rt2x00dev, 2, rf->rf2);
 451         rt2500pci_rf_write(rt2x00dev, 3, rf->rf3);
 452         if (rf->rf4)
 453                 rt2500pci_rf_write(rt2x00dev, 4, rf->rf4);
 454
 455         /*
 456          * Channel 14 requires the Japan filter bit to be set.
 457          */
 458         r70 = 0x46;
 459         rt2x00_set_field8(&r70, BBP_R70_JAPAN_FILTER, rf->channel == 14);
 460         rt2500pci_bbp_write(rt2x00dev, 70, r70);
 461
 462         msleep(1);
 463
 464         /*
 465          * Switch off tuning bits.
 466          * For RT2523 devices we do not need to update the R1 register.
 467          */
 468         if (!rt2x00_rf(&rt2x00dev->chip, RF2523)) {
 469                 rt2x00_set_field32(&rf->rf1, RF1_TUNER, 0);
 470                 rt2500pci_rf_write(rt2x00dev, 1, rf->rf1);
 471         }
 472
 473         rt2x00_set_field32(&rf->rf3, RF3_TUNER, 0);
 474         rt2500pci_rf_write(rt2x00dev, 3, rf->rf3);
 475
 476         /*
 477          * Clear false CRC during channel switch.
 478          */
 479         rt2x00pci_register_read(rt2x00dev, CNT0, &rf->rf1);
 480 }
 481
 482 static void rt2500pci_config_txpower(struct rt2x00_dev *rt2x00dev,
 483                                      const int txpower)
 484 {
 485         u32 rf3;
 486
 487         rt2x00_rf_read(rt2x00dev, 3, &rf3);
 488         rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 489         rt2500pci_rf_write(rt2x00dev, 3, rf3);
 490 }
 491
 492 static void rt2500pci_config_antenna(struct rt2x00_dev *rt2x00dev,
 493                                      struct antenna_setup *ant)
 494 {
 495         u32 reg;
 496         u8 r14;
 497         u8 r2;
 498
 499         /*
 500          * We should never come here because rt2x00lib is supposed
 501          * to catch this and send us the correct antenna explicitely.
 502          */
 503         BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
 504                ant->tx == ANTENNA_SW_DIVERSITY);
 505
 506         rt2x00pci_register_read(rt2x00dev, BBPCSR1, &reg);
 507         rt2500pci_bbp_read(rt2x00dev, 14, &r14);
 508         rt2500pci_bbp_read(rt2x00dev, 2, &r2);
 509
 510         /*
 511          * Configure the TX antenna.
 512          */
 513         switch (ant->tx) {
 514         case ANTENNA_A:
 515                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
 516                 rt2x00_set_field32(&reg, BBPCSR1_CCK, 0);
 517                 rt2x00_set_field32(&reg, BBPCSR1_OFDM, 0);
 518                 break;
 519         case ANTENNA_B:
 520         default:
 521                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
 522                 rt2x00_set_field32(&reg, BBPCSR1_CCK, 2);
 523                 rt2x00_set_field32(&reg, BBPCSR1_OFDM, 2);
 524                 break;
 525         }
 526
 527         /*
 528          * Configure the RX antenna.
 529          */
 530         switch (ant->rx) {
 531         case ANTENNA_A:
 532                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
 533                 break;
 534         case ANTENNA_B:
 535         default:
 536                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
 537                 break;
 538         }
 539
 540         /*
 541          * RT2525E and RT5222 need to flip TX I/Q
 542          */
 543         if (rt2x00_rf(&rt2x00dev->chip, RF2525E) ||
 544             rt2x00_rf(&rt2x00dev->chip, RF5222)) {
 545                 rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
 546                 rt2x00_set_field32(&reg, BBPCSR1_CCK_FLIP, 1);
 547                 rt2x00_set_field32(&reg, BBPCSR1_OFDM_FLIP, 1);
 548
 549                 /*
 550                  * RT2525E does not need RX I/Q Flip.
 551                  */
 552                 if (rt2x00_rf(&rt2x00dev->chip, RF2525E))
 553                         rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
 554         } else {
 555                 rt2x00_set_field32(&reg, BBPCSR1_CCK_FLIP, 0);
 556                 rt2x00_set_field32(&reg, BBPCSR1_OFDM_FLIP, 0);
 557         }
 558
 559         rt2x00pci_register_write(rt2x00dev, BBPCSR1, reg);
 560         rt2500pci_bbp_write(rt2x00dev, 14, r14);
 561         rt2500pci_bbp_write(rt2x00dev, 2, r2);
 562 }
 563
 564 static void rt2500pci_config_duration(struct rt2x00_dev *rt2x00dev,
 565                                       struct rt2x00lib_conf *libconf)
 566 {
 567         u32 reg;
 568
 569         rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
 570         rt2x00_set_field32(&reg, CSR11_SLOT_TIME, libconf->slot_time);
 571         rt2x00pci_register_write(rt2x00dev, CSR11, reg);
 572
 573         rt2x00pci_register_read(rt2x00dev, CSR18, &reg);
 574         rt2x00_set_field32(&reg, CSR18_SIFS, libconf->sifs);
 575         rt2x00_set_field32(&reg, CSR18_PIFS, libconf->pifs);
 576         rt2x00pci_register_write(rt2x00dev, CSR18, reg);
 577
 578         rt2x00pci_register_read(rt2x00dev, CSR19, &reg);
 579         rt2x00_set_field32(&reg, CSR19_DIFS, libconf->difs);
 580         rt2x00_set_field32(&reg, CSR19_EIFS, libconf->eifs);
 581         rt2x00pci_register_write(rt2x00dev, CSR19, reg);
 582
 583         rt2x00pci_register_read(rt2x00dev, TXCSR1, &reg);
 584         rt2x00_set_field32(&reg, TXCSR1_TSF_OFFSET, IEEE80211_HEADER);
 585         rt2x00_set_field32(&reg, TXCSR1_AUTORESPONDER, 1);
 586         rt2x00pci_register_write(rt2x00dev, TXCSR1, reg);
 587
 588         rt2x00pci_register_read(rt2x00dev, CSR12, &reg);
 589         rt2x00_set_field32(&reg, CSR12_BEACON_INTERVAL,
 590                            libconf->conf->beacon_int * 16);
 591         rt2x00_set_field32(&reg, CSR12_CFP_MAX_DURATION,
 592                            libconf->conf->beacon_int * 16);
 593         rt2x00pci_register_write(rt2x00dev, CSR12, reg);
 594 }
 595
 596 static void rt2500pci_config(struct rt2x00_dev *rt2x00dev,
 597                              struct rt2x00lib_conf *libconf,
 598                              const unsigned int flags)
 599 {
 600         if (flags & CONFIG_UPDATE_PHYMODE)
 601                 rt2500pci_config_phymode(rt2x00dev, libconf->basic_rates);
 602         if (flags & CONFIG_UPDATE_CHANNEL)
 603                 rt2500pci_config_channel(rt2x00dev, &libconf->rf,
 604                                          libconf->conf->power_level);
 605         if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
 606                 rt2500pci_config_txpower(rt2x00dev,
 607                                          libconf->conf->power_level);
 608         if (flags & CONFIG_UPDATE_ANTENNA)
 609                 rt2500pci_config_antenna(rt2x00dev, &libconf->ant);
 610         if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
 611                 rt2500pci_config_duration(rt2x00dev, libconf);
 612 }
 613
 614 /*
 615  * Link tuning
 616  */
 617 static void rt2500pci_link_stats(struct rt2x00_dev *rt2x00dev,
 618                                  struct link_qual *qual)
 619 {
 620         u32 reg;
 621
 622         /*
 623          * Update FCS error count from register.
 624          */
 625         rt2x00pci_register_read(rt2x00dev, CNT0, &reg);
 626         qual->rx_failed = rt2x00_get_field32(reg, CNT0_FCS_ERROR);
 627
 628         /*
 629          * Update False CCA count from register.
 630          */
 631         rt2x00pci_register_read(rt2x00dev, CNT3, &reg);
 632         qual->false_cca = rt2x00_get_field32(reg, CNT3_FALSE_CCA);
 633 }
 634
 635 static void rt2500pci_reset_tuner(struct rt2x00_dev *rt2x00dev)
 636 {
 637         rt2500pci_bbp_write(rt2x00dev, 17, 0x48);
 638         rt2x00dev->link.vgc_level = 0x48;
 639 }
 640
 641 static void rt2500pci_link_tuner(struct rt2x00_dev *rt2x00dev)
 642 {
 643         int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
 644         u8 r17;
 645
 646         /*
 647          * To prevent collisions with MAC ASIC on chipsets
 648          * up to version C the link tuning should halt after 20
 649          * seconds while being associated.
 650          */
 651         if (rt2x00_rev(&rt2x00dev->chip) < RT2560_VERSION_D &&
 652             rt2x00dev->intf_associated &&
 653             rt2x00dev->link.count > 20)
 654                 return;
 655
 656         rt2500pci_bbp_read(rt2x00dev, 17, &r17);
 657
 658         /*
 659          * Chipset versions C and lower should directly continue
 660          * to the dynamic CCA tuning. Chipset version D and higher
 661          * should go straight to dynamic CCA tuning when they
 662          * are not associated.
 663          */
 664         if (rt2x00_rev(&rt2x00dev->chip) < RT2560_VERSION_D ||
 665             !rt2x00dev->intf_associated)
 666                 goto dynamic_cca_tune;
 667
 668         /*
 669          * A too low RSSI will cause too much false CCA which will
 670          * then corrupt the R17 tuning. To remidy this the tuning should
 671          * be stopped (While making sure the R17 value will not exceed limits)
 672          */
 673         if (rssi < -80 && rt2x00dev->link.count > 20) {
 674                 if (r17 >= 0x41) {
 675                         r17 = rt2x00dev->link.vgc_level;
 676                         rt2500pci_bbp_write(rt2x00dev, 17, r17);
 677                 }
 678                 return;
 679         }
 680
 681         /*
 682          * Special big-R17 for short distance
 683          */
 684         if (rssi >= -58) {
 685                 if (r17 != 0x50)
 686                         rt2500pci_bbp_write(rt2x00dev, 17, 0x50);
 687                 return;
 688         }
 689
 690         /*
 691          * Special mid-R17 for middle distance
 692          */
 693         if (rssi >= -74) {
 694                 if (r17 != 0x41)
 695                         rt2500pci_bbp_write(rt2x00dev, 17, 0x41);
 696                 return;
 697         }
 698
 699         /*
 700          * Leave short or middle distance condition, restore r17
 701          * to the dynamic tuning range.
 702          */
 703         if (r17 >= 0x41) {
 704                 rt2500pci_bbp_write(rt2x00dev, 17, rt2x00dev->link.vgc_level);
 705                 return;
 706         }
 707
 708 dynamic_cca_tune:
 709
 710         /*
 711          * R17 is inside the dynamic tuning range,
 712          * start tuning the link based on the false cca counter.
 713          */
 714         if (rt2x00dev->link.qual.false_cca > 512 && r17 < 0x40) {
 715                 rt2500pci_bbp_write(rt2x00dev, 17, ++r17);
 716                 rt2x00dev->link.vgc_level = r17;
 717         } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > 0x32) {
 718                 rt2500pci_bbp_write(rt2x00dev, 17, --r17);
 719                 rt2x00dev->link.vgc_level = r17;
 720         }
 721 }
 722
 723 /*
 724  * Initialization functions.
 725  */
 726 static void rt2500pci_init_rxentry(struct rt2x00_dev *rt2x00dev,
 727                                    struct queue_entry *entry)
 728 {
 729         struct queue_entry_priv_pci *entry_priv = entry->priv_data;
 730         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 731         u32 word;
 732
 733         rt2x00_desc_read(entry_priv->desc, 1, &word);
 734         rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma);
 735         rt2x00_desc_write(entry_priv->desc, 1, word);
 736
 737         rt2x00_desc_read(entry_priv->desc, 0, &word);
 738         rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
 739         rt2x00_desc_write(entry_priv->desc, 0, word);
 740 }
 741
 742 static void rt2500pci_init_txentry(struct rt2x00_dev *rt2x00dev,
 743                                    struct queue_entry *entry)
 744 {
 745         struct queue_entry_priv_pci *entry_priv = entry->priv_data;
 746         u32 word;
 747
 748         rt2x00_desc_read(entry_priv->desc, 0, &word);
 749         rt2x00_set_field32(&word, TXD_W0_VALID, 0);
 750         rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
 751         rt2x00_desc_write(entry_priv->desc, 0, word);
 752 }
 753
 754 static int rt2500pci_init_queues(struct rt2x00_dev *rt2x00dev)
 755 {
 756         struct queue_entry_priv_pci *entry_priv;
 757         u32 reg;
 758
 759         /*
 760          * Initialize registers.
 761          */
 762         rt2x00pci_register_read(rt2x00dev, TXCSR2, &reg);
 763         rt2x00_set_field32(&reg, TXCSR2_TXD_SIZE, rt2x00dev->tx[0].desc_size);
 764         rt2x00_set_field32(&reg, TXCSR2_NUM_TXD, rt2x00dev->tx[1].limit);
 765         rt2x00_set_field32(&reg, TXCSR2_NUM_ATIM, rt2x00dev->bcn[1].limit);
 766         rt2x00_set_field32(&reg, TXCSR2_NUM_PRIO, rt2x00dev->tx[0].limit);
 767         rt2x00pci_register_write(rt2x00dev, TXCSR2, reg);
 768
 769         entry_priv = rt2x00dev->tx[1].entries[0].priv_data;
 770         rt2x00pci_register_read(rt2x00dev, TXCSR3, &reg);
 771         rt2x00_set_field32(&reg, TXCSR3_TX_RING_REGISTER,
 772                            entry_priv->desc_dma);
 773         rt2x00pci_register_write(rt2x00dev, TXCSR3, reg);
 774
 775         entry_priv = rt2x00dev->tx[0].entries[0].priv_data;
 776         rt2x00pci_register_read(rt2x00dev, TXCSR5, &reg);
 777         rt2x00_set_field32(&reg, TXCSR5_PRIO_RING_REGISTER,
 778                            entry_priv->desc_dma);
 779         rt2x00pci_register_write(rt2x00dev, TXCSR5, reg);
 780
 781         entry_priv = rt2x00dev->bcn[1].entries[0].priv_data;
 782         rt2x00pci_register_read(rt2x00dev, TXCSR4, &reg);
 783         rt2x00_set_field32(&reg, TXCSR4_ATIM_RING_REGISTER,
 784                            entry_priv->desc_dma);
 785         rt2x00pci_register_write(rt2x00dev, TXCSR4, reg);
 786
 787         entry_priv = rt2x00dev->bcn[0].entries[0].priv_data;
 788         rt2x00pci_register_read(rt2x00dev, TXCSR6, &reg);
 789         rt2x00_set_field32(&reg, TXCSR6_BEACON_RING_REGISTER,
 790                            entry_priv->desc_dma);
 791         rt2x00pci_register_write(rt2x00dev, TXCSR6, reg);
 792
 793         rt2x00pci_register_read(rt2x00dev, RXCSR1, &reg);
 794         rt2x00_set_field32(&reg, RXCSR1_RXD_SIZE, rt2x00dev->rx->desc_size);
 795         rt2x00_set_field32(&reg, RXCSR1_NUM_RXD, rt2x00dev->rx->limit);
 796         rt2x00pci_register_write(rt2x00dev, RXCSR1, reg);
 797
 798         entry_priv = rt2x00dev->rx->entries[0].priv_data;
 799         rt2x00pci_register_read(rt2x00dev, RXCSR2, &reg);
 800         rt2x00_set_field32(&reg, RXCSR2_RX_RING_REGISTER,
 801                            entry_priv->desc_dma);
 802         rt2x00pci_register_write(rt2x00dev, RXCSR2, reg);
 803
 804         return 0;
 805 }
 806
 807 static int rt2500pci_init_registers(struct rt2x00_dev *rt2x00dev)
 808 {
 809         u32 reg;
 810
 811         rt2x00pci_register_write(rt2x00dev, PSCSR0, 0x00020002);
 812         rt2x00pci_register_write(rt2x00dev, PSCSR1, 0x00000002);
 813         rt2x00pci_register_write(rt2x00dev, PSCSR2, 0x00020002);
 814         rt2x00pci_register_write(rt2x00dev, PSCSR3, 0x00000002);
 815
 816         rt2x00pci_register_read(rt2x00dev, TIMECSR, &reg);
 817         rt2x00_set_field32(&reg, TIMECSR_US_COUNT, 33);
 818         rt2x00_set_field32(&reg, TIMECSR_US_64_COUNT, 63);
 819         rt2x00_set_field32(&reg, TIMECSR_BEACON_EXPECT, 0);
 820         rt2x00pci_register_write(rt2x00dev, TIMECSR, reg);
 821
 822         rt2x00pci_register_read(rt2x00dev, CSR9, &reg);
 823         rt2x00_set_field32(&reg, CSR9_MAX_FRAME_UNIT,
 824                            rt2x00dev->rx->data_size / 128);
 825         rt2x00pci_register_write(rt2x00dev, CSR9, reg);
 826
 827         /*
 828          * Always use CWmin and CWmax set in descriptor.
 829          */
 830         rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
 831         rt2x00_set_field32(&reg, CSR11_CW_SELECT, 0);
 832         rt2x00pci_register_write(rt2x00dev, CSR11, reg);
 833
 834         rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
 835         rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 0);
 836         rt2x00_set_field32(&reg, CSR14_TSF_SYNC, 0);
 837         rt2x00_set_field32(&reg, CSR14_TBCN, 0);
 838         rt2x00_set_field32(&reg, CSR14_TCFP, 0);
 839         rt2x00_set_field32(&reg, CSR14_TATIMW, 0);
 840         rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
 841         rt2x00_set_field32(&reg, CSR14_CFP_COUNT_PRELOAD, 0);
 842         rt2x00_set_field32(&reg, CSR14_TBCM_PRELOAD, 0);
 843         rt2x00pci_register_write(rt2x00dev, CSR14, reg);
 844
 845         rt2x00pci_register_write(rt2x00dev, CNT3, 0);
 846
 847         rt2x00pci_register_read(rt2x00dev, TXCSR8, &reg);
 848         rt2x00_set_field32(&reg, TXCSR8_BBP_ID0, 10);
 849         rt2x00_set_field32(&reg, TXCSR8_BBP_ID0_VALID, 1);
 850         rt2x00_set_field32(&reg, TXCSR8_BBP_ID1, 11);
 851         rt2x00_set_field32(&reg, TXCSR8_BBP_ID1_VALID, 1);
 852         rt2x00_set_field32(&reg, TXCSR8_BBP_ID2, 13);
 853         rt2x00_set_field32(&reg, TXCSR8_BBP_ID2_VALID, 1);
 854         rt2x00_set_field32(&reg, TXCSR8_BBP_ID3, 12);
 855         rt2x00_set_field32(&reg, TXCSR8_BBP_ID3_VALID, 1);
 856         rt2x00pci_register_write(rt2x00dev, TXCSR8, reg);
 857
 858         rt2x00pci_register_read(rt2x00dev, ARTCSR0, &reg);
 859         rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_1MBS, 112);
 860         rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_2MBS, 56);
 861         rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_5_5MBS, 20);
 862         rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_11MBS, 10);
 863         rt2x00pci_register_write(rt2x00dev, ARTCSR0, reg);
 864
 865         rt2x00pci_register_read(rt2x00dev, ARTCSR1, &reg);
 866         rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_6MBS, 45);
 867         rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_9MBS, 37);
 868         rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_12MBS, 33);
 869         rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_18MBS, 29);
 870         rt2x00pci_register_write(rt2x00dev, ARTCSR1, reg);
 871
 872         rt2x00pci_register_read(rt2x00dev, ARTCSR2, &reg);
 873         rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_24MBS, 29);
 874         rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_36MBS, 25);
 875         rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_48MBS, 25);
 876         rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_54MBS, 25);
 877         rt2x00pci_register_write(rt2x00dev, ARTCSR2, reg);
 878
 879         rt2x00pci_register_read(rt2x00dev, RXCSR3, &reg);
 880         rt2x00_set_field32(&reg, RXCSR3_BBP_ID0, 47); /* CCK Signal */
 881         rt2x00_set_field32(&reg, RXCSR3_BBP_ID0_VALID, 1);
 882         rt2x00_set_field32(&reg, RXCSR3_BBP_ID1, 51); /* Rssi */
 883         rt2x00_set_field32(&reg, RXCSR3_BBP_ID1_VALID, 1);
 884         rt2x00_set_field32(&reg, RXCSR3_BBP_ID2, 42); /* OFDM Rate */
 885         rt2x00_set_field32(&reg, RXCSR3_BBP_ID2_VALID, 1);
 886         rt2x00_set_field32(&reg, RXCSR3_BBP_ID3, 51); /* RSSI */
 887         rt2x00_set_field32(&reg, RXCSR3_BBP_ID3_VALID, 1);
 888         rt2x00pci_register_write(rt2x00dev, RXCSR3, reg);
 889
 890         rt2x00pci_register_read(rt2x00dev, PCICSR, &reg);
 891         rt2x00_set_field32(&reg, PCICSR_BIG_ENDIAN, 0);
 892         rt2x00_set_field32(&reg, PCICSR_RX_TRESHOLD, 0);
 893         rt2x00_set_field32(&reg, PCICSR_TX_TRESHOLD, 3);
 894         rt2x00_set_field32(&reg, PCICSR_BURST_LENTH, 1);
 895         rt2x00_set_field32(&reg, PCICSR_ENABLE_CLK, 1);
 896         rt2x00_set_field32(&reg, PCICSR_READ_MULTIPLE, 1);
 897         rt2x00_set_field32(&reg, PCICSR_WRITE_INVALID, 1);
 898         rt2x00pci_register_write(rt2x00dev, PCICSR, reg);
 899
 900         rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0x3f3b3100);
 901
 902         rt2x00pci_register_write(rt2x00dev, GPIOCSR, 0x0000ff00);
 903         rt2x00pci_register_write(rt2x00dev, TESTCSR, 0x000000f0);
 904
 905         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
 906                 return -EBUSY;
 907
 908         rt2x00pci_register_write(rt2x00dev, MACCSR0, 0x00213223);
 909         rt2x00pci_register_write(rt2x00dev, MACCSR1, 0x00235518);
 910
 911         rt2x00pci_register_read(rt2x00dev, MACCSR2, &reg);
 912         rt2x00_set_field32(&reg, MACCSR2_DELAY, 64);
 913         rt2x00pci_register_write(rt2x00dev, MACCSR2, reg);
 914
 915         rt2x00pci_register_read(rt2x00dev, RALINKCSR, &reg);
 916         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA0, 17);
 917         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID0, 26);
 918         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_VALID0, 1);
 919         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA1, 0);
 920         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID1, 26);
 921         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_VALID1, 1);
 922         rt2x00pci_register_write(rt2x00dev, RALINKCSR, reg);
 923
 924         rt2x00pci_register_write(rt2x00dev, BBPCSR1, 0x82188200);
 925
 926         rt2x00pci_register_write(rt2x00dev, TXACKCSR0, 0x00000020);
 927
 928         rt2x00pci_register_read(rt2x00dev, CSR1, &reg);
 929         rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 1);
 930         rt2x00_set_field32(&reg, CSR1_BBP_RESET, 0);
 931         rt2x00_set_field32(&reg, CSR1_HOST_READY, 0);
 932         rt2x00pci_register_write(rt2x00dev, CSR1, reg);
 933
 934         rt2x00pci_register_read(rt2x00dev, CSR1, &reg);
 935         rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 0);
 936         rt2x00_set_field32(&reg, CSR1_HOST_READY, 1);
 937         rt2x00pci_register_write(rt2x00dev, CSR1, reg);
 938
 939         /*
 940          * We must clear the FCS and FIFO error count.
 941          * These registers are cleared on read,
 942          * so we may pass a useless variable to store the value.
 943          */
 944         rt2x00pci_register_read(rt2x00dev, CNT0, &reg);
 945         rt2x00pci_register_read(rt2x00dev, CNT4, &reg);
 946
 947         return 0;
 948 }
 949
 950 static int rt2500pci_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
 951 {
 952         unsigned int i;
 953         u8 value;
 954
 955         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 956                 rt2500pci_bbp_read(rt2x00dev, 0, &value);
 957                 if ((value != 0xff) && (value != 0x00))
 958                         return 0;
 959                 udelay(REGISTER_BUSY_DELAY);
 960         }
 961
 962         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
 963         return -EACCES;
 964 }
 965
 966 static int rt2500pci_init_bbp(struct rt2x00_dev *rt2x00dev)
 967 {
 968         unsigned int i;
 969         u16 eeprom;
 970         u8 reg_id;
 971         u8 value;
 972
 973         if (unlikely(rt2500pci_wait_bbp_ready(rt2x00dev)))
 974                 return -EACCES;
 975
 976         rt2500pci_bbp_write(rt2x00dev, 3, 0x02);
 977         rt2500pci_bbp_write(rt2x00dev, 4, 0x19);
 978         rt2500pci_bbp_write(rt2x00dev, 14, 0x1c);
 979         rt2500pci_bbp_write(rt2x00dev, 15, 0x30);
 980         rt2500pci_bbp_write(rt2x00dev, 16, 0xac);
 981         rt2500pci_bbp_write(rt2x00dev, 18, 0x18);
 982         rt2500pci_bbp_write(rt2x00dev, 19, 0xff);
 983         rt2500pci_bbp_write(rt2x00dev, 20, 0x1e);
 984         rt2500pci_bbp_write(rt2x00dev, 21, 0x08);
 985         rt2500pci_bbp_write(rt2x00dev, 22, 0x08);
 986         rt2500pci_bbp_write(rt2x00dev, 23, 0x08);
 987         rt2500pci_bbp_write(rt2x00dev, 24, 0x70);
 988         rt2500pci_bbp_write(rt2x00dev, 25, 0x40);
 989         rt2500pci_bbp_write(rt2x00dev, 26, 0x08);
 990         rt2500pci_bbp_write(rt2x00dev, 27, 0x23);
 991         rt2500pci_bbp_write(rt2x00dev, 30, 0x10);
 992         rt2500pci_bbp_write(rt2x00dev, 31, 0x2b);
 993         rt2500pci_bbp_write(rt2x00dev, 32, 0xb9);
 994         rt2500pci_bbp_write(rt2x00dev, 34, 0x12);
 995         rt2500pci_bbp_write(rt2x00dev, 35, 0x50);
 996         rt2500pci_bbp_write(rt2x00dev, 39, 0xc4);
 997         rt2500pci_bbp_write(rt2x00dev, 40, 0x02);
 998         rt2500pci_bbp_write(rt2x00dev, 41, 0x60);
 999         rt2500pci_bbp_write(rt2x00dev, 53, 0x10);
1000         rt2500pci_bbp_write(rt2x00dev, 54, 0x18);
1001         rt2500pci_bbp_write(rt2x00dev, 56, 0x08);
1002         rt2500pci_bbp_write(rt2x00dev, 57, 0x10);
1003         rt2500pci_bbp_write(rt2x00dev, 58, 0x08);
1004         rt2500pci_bbp_write(rt2x00dev, 61, 0x6d);
1005         rt2500pci_bbp_write(rt2x00dev, 62, 0x10);
1006
1007         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
1008                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
1009
1010                 if (eeprom != 0xffff && eeprom != 0x0000) {
1011                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
1012                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
1013                         rt2500pci_bbp_write(rt2x00dev, reg_id, value);
1014                 }
1015         }
1016
1017         return 0;
1018 }
1019
1020 /*
1021  * Device state switch handlers.
1022  */
1023 static void rt2500pci_toggle_rx(struct rt2x00_dev *rt2x00dev,
1024                                 enum dev_state state)
1025 {
1026         u32 reg;
1027
1028         rt2x00pci_register_read(rt2x00dev, RXCSR0, &reg);
1029         rt2x00_set_field32(&reg, RXCSR0_DISABLE_RX,
1030                            (state == STATE_RADIO_RX_OFF) ||
1031                            (state == STATE_RADIO_RX_OFF_LINK));
1032         rt2x00pci_register_write(rt2x00dev, RXCSR0, reg);
1033 }
1034
1035 static void rt2500pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
1036                                  enum dev_state state)
1037 {
1038         int mask = (state == STATE_RADIO_IRQ_OFF);
1039         u32 reg;
1040
1041         /*
1042          * When interrupts are being enabled, the interrupt registers
1043          * should clear the register to assure a clean state.
1044          */
1045         if (state == STATE_RADIO_IRQ_ON) {
1046                 rt2x00pci_register_read(rt2x00dev, CSR7, &reg);
1047                 rt2x00pci_register_write(rt2x00dev, CSR7, reg);
1048         }
1049
1050         /*
1051          * Only toggle the interrupts bits we are going to use.
1052          * Non-checked interrupt bits are disabled by default.
1053          */
1054         rt2x00pci_register_read(rt2x00dev, CSR8, &reg);
1055         rt2x00_set_field32(&reg, CSR8_TBCN_EXPIRE, mask);
1056         rt2x00_set_field32(&reg, CSR8_TXDONE_TXRING, mask);
1057         rt2x00_set_field32(&reg, CSR8_TXDONE_ATIMRING, mask);
1058         rt2x00_set_field32(&reg, CSR8_TXDONE_PRIORING, mask);
1059         rt2x00_set_field32(&reg, CSR8_RXDONE, mask);
1060         rt2x00pci_register_write(rt2x00dev, CSR8, reg);
1061 }
1062
1063 static int rt2500pci_enable_radio(struct rt2x00_dev *rt2x00dev)
1064 {
1065         /*
1066          * Initialize all registers.
1067          */
1068         if (unlikely(rt2500pci_init_queues(rt2x00dev) ||
1069                      rt2500pci_init_registers(rt2x00dev) ||
1070                      rt2500pci_init_bbp(rt2x00dev)))
1071                 return -EIO;
1072
1073         return 0;
1074 }
1075
1076 static void rt2500pci_disable_radio(struct rt2x00_dev *rt2x00dev)
1077 {
1078         u32 reg;
1079
1080         rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0);
1081
1082         /*
1083          * Disable synchronisation.
1084          */
1085         rt2x00pci_register_write(rt2x00dev, CSR14, 0);
1086
1087         /*
1088          * Cancel RX and TX.
1089          */
1090         rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
1091         rt2x00_set_field32(&reg, TXCSR0_ABORT, 1);
1092         rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
1093 }
1094
1095 static int rt2500pci_set_state(struct rt2x00_dev *rt2x00dev,
1096                                enum dev_state state)
1097 {
1098         u32 reg;
1099         unsigned int i;
1100         char put_to_sleep;
1101         char bbp_state;
1102         char rf_state;
1103
1104         put_to_sleep = (state != STATE_AWAKE);
1105
1106         rt2x00pci_register_read(rt2x00dev, PWRCSR1, &reg);
1107         rt2x00_set_field32(&reg, PWRCSR1_SET_STATE, 1);
1108         rt2x00_set_field32(&reg, PWRCSR1_BBP_DESIRE_STATE, state);
1109         rt2x00_set_field32(&reg, PWRCSR1_RF_DESIRE_STATE, state);
1110         rt2x00_set_field32(&reg, PWRCSR1_PUT_TO_SLEEP, put_to_sleep);
1111         rt2x00pci_register_write(rt2x00dev, PWRCSR1, reg);
1112
1113         /*
1114          * Device is not guaranteed to be in the requested state yet.
1115          * We must wait until the register indicates that the
1116          * device has entered the correct state.
1117          */
1118         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1119                 rt2x00pci_register_read(rt2x00dev, PWRCSR1, &reg);
1120                 bbp_state = rt2x00_get_field32(reg, PWRCSR1_BBP_CURR_STATE);
1121                 rf_state = rt2x00_get_field32(reg, PWRCSR1_RF_CURR_STATE);
1122                 if (bbp_state == state && rf_state == state)
1123                         return 0;
1124                 msleep(10);
1125         }
1126
1127         return -EBUSY;
1128 }
1129
1130 static int rt2500pci_set_device_state(struct rt2x00_dev *rt2x00dev,
1131                                       enum dev_state state)
1132 {
1133         int retval = 0;
1134
1135         switch (state) {
1136         case STATE_RADIO_ON:
1137                 retval = rt2500pci_enable_radio(rt2x00dev);
1138                 break;
1139         case STATE_RADIO_OFF:
1140                 rt2500pci_disable_radio(rt2x00dev);
1141                 break;
1142         case STATE_RADIO_RX_ON:
1143         case STATE_RADIO_RX_ON_LINK:
1144         case STATE_RADIO_RX_OFF:
1145         case STATE_RADIO_RX_OFF_LINK:
1146                 rt2500pci_toggle_rx(rt2x00dev, state);
1147                 break;
1148         case STATE_RADIO_IRQ_ON:
1149         case STATE_RADIO_IRQ_OFF:
1150                 rt2500pci_toggle_irq(rt2x00dev, state);
1151                 break;
1152         case STATE_DEEP_SLEEP:
1153         case STATE_SLEEP:
1154         case STATE_STANDBY:
1155         case STATE_AWAKE:
1156                 retval = rt2500pci_set_state(rt2x00dev, state);
1157                 break;
1158         default:
1159                 retval = -ENOTSUPP;
1160                 break;
1161         }
1162
1163         if (unlikely(retval))
1164                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
1165                       state, retval);
1166
1167         return retval;
1168 }
1169
1170 /*
1171  * TX descriptor initialization
1172  */
1173 static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1174                                     struct sk_buff *skb,
1175                                     struct txentry_desc *txdesc)
1176 {
1177         struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
1178         struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data;
1179         __le32 *txd = skbdesc->desc;
1180         u32 word;
1181
1182         /*
1183          * Start writing the descriptor words.
1184          */
1185         rt2x00_desc_read(entry_priv->desc, 1, &word);
1186         rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma);
1187         rt2x00_desc_write(entry_priv->desc, 1, word);
1188
1189         rt2x00_desc_read(txd, 2, &word);
1190         rt2x00_set_field32(&word, TXD_W2_IV_OFFSET, IEEE80211_HEADER);
1191         rt2x00_set_field32(&word, TXD_W2_AIFS, txdesc->aifs);
1192         rt2x00_set_field32(&word, TXD_W2_CWMIN, txdesc->cw_min);
1193         rt2x00_set_field32(&word, TXD_W2_CWMAX, txdesc->cw_max);
1194         rt2x00_desc_write(txd, 2, word);
1195
1196         rt2x00_desc_read(txd, 3, &word);
1197         rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL, txdesc->signal);
1198         rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE, txdesc->service);
1199         rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_LOW, txdesc->length_low);
1200         rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_HIGH, txdesc->length_high);
1201         rt2x00_desc_write(txd, 3, word);
1202
1203         rt2x00_desc_read(txd, 10, &word);
1204         rt2x00_set_field32(&word, TXD_W10_RTS,
1205                            test_bit(ENTRY_TXD_RTS_FRAME, &txdesc->flags));
1206         rt2x00_desc_write(txd, 10, word);
1207
1208         rt2x00_desc_read(txd, 0, &word);
1209         rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1);
1210         rt2x00_set_field32(&word, TXD_W0_VALID, 1);
1211         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1212                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1213         rt2x00_set_field32(&word, TXD_W0_ACK,
1214                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1215         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1216                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1217         rt2x00_set_field32(&word, TXD_W0_OFDM,
1218                            test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags));
1219         rt2x00_set_field32(&word, TXD_W0_CIPHER_OWNER, 1);
1220         rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1221         rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
1222                            test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
1223         rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE);
1224         rt2x00_desc_write(txd, 0, word);
1225 }
1226
1227 /*
1228  * TX data initialization
1229  */
1230 static void rt2500pci_write_beacon(struct queue_entry *entry)
1231 {
1232         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1233         struct queue_entry_priv_pci *entry_priv = entry->priv_data;
1234         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1235         u32 word;
1236         u32 reg;
1237
1238         /*
1239          * Disable beaconing while we are reloading the beacon data,
1240          * otherwise we might be sending out invalid data.
1241          */
1242         rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
1243         rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 0);
1244         rt2x00_set_field32(&reg, CSR14_TBCN, 0);
1245         rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
1246         rt2x00pci_register_write(rt2x00dev, CSR14, reg);
1247
1248         /*
1249          * Replace rt2x00lib allocated descriptor with the
1250          * pointer to the _real_ hardware descriptor.
1251          * After that, map the beacon to DMA and update the
1252          * descriptor.
1253          */
1254         memcpy(entry_priv->desc, skbdesc->desc, skbdesc->desc_len);
1255         skbdesc->desc = entry_priv->desc;
1256
1257         rt2x00queue_map_txskb(rt2x00dev, entry->skb);
1258
1259         rt2x00_desc_read(entry_priv->desc, 1, &word);
1260         rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma);
1261         rt2x00_desc_write(entry_priv->desc, 1, word);
1262 }
1263
1264 static void rt2500pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1265                                     const enum data_queue_qid queue)
1266 {
1267         u32 reg;
1268
1269         if (queue == QID_BEACON) {
1270                 rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
1271                 if (!rt2x00_get_field32(reg, CSR14_BEACON_GEN)) {
1272                         rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 1);
1273                         rt2x00_set_field32(&reg, CSR14_TBCN, 1);
1274                         rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 1);
1275                         rt2x00pci_register_write(rt2x00dev, CSR14, reg);
1276                 }
1277                 return;
1278         }
1279
1280         rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
1281         rt2x00_set_field32(&reg, TXCSR0_KICK_PRIO, (queue == QID_AC_BE));
1282         rt2x00_set_field32(&reg, TXCSR0_KICK_TX, (queue == QID_AC_BK));
1283         rt2x00_set_field32(&reg, TXCSR0_KICK_ATIM, (queue == QID_ATIM));
1284         rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
1285 }
1286
1287 /*
1288  * RX control handlers
1289  */
1290 static void rt2500pci_fill_rxdone(struct queue_entry *entry,
1291                                   struct rxdone_entry_desc *rxdesc)
1292 {
1293         struct queue_entry_priv_pci *entry_priv = entry->priv_data;
1294         u32 word0;
1295         u32 word2;
1296
1297         rt2x00_desc_read(entry_priv->desc, 0, &word0);
1298         rt2x00_desc_read(entry_priv->desc, 2, &word2);
1299
1300         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1301                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1302         if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
1303                 rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
1304
1305         /*
1306          * Obtain the status about this packet.
1307          * When frame was received with an OFDM bitrate,
1308          * the signal is the PLCP value. If it was received with
1309          * a CCK bitrate the signal is the rate in 100kbit/s.
1310          */
1311         rxdesc->signal = rt2x00_get_field32(word2, RXD_W2_SIGNAL);
1312         rxdesc->rssi = rt2x00_get_field32(word2, RXD_W2_RSSI) -
1313             entry->queue->rt2x00dev->rssi_offset;
1314         rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1315
1316         if (rt2x00_get_field32(word0, RXD_W0_OFDM))
1317                 rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
1318         if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
1319                 rxdesc->dev_flags |= RXDONE_MY_BSS;
1320 }
1321
1322 /*
1323  * Interrupt functions.
1324  */
1325 static void rt2500pci_txdone(struct rt2x00_dev *rt2x00dev,
1326                              const enum data_queue_qid queue_idx)
1327 {
1328         struct data_queue *queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
1329         struct queue_entry_priv_pci *entry_priv;
1330         struct queue_entry *entry;
1331         struct txdone_entry_desc txdesc;
1332         u32 word;
1333
1334         while (!rt2x00queue_empty(queue)) {
1335                 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
1336                 entry_priv = entry->priv_data;
1337                 rt2x00_desc_read(entry_priv->desc, 0, &word);
1338
1339                 if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
1340                     !rt2x00_get_field32(word, TXD_W0_VALID))
1341                         break;
1342
1343                 /*
1344                  * Obtain the status about this packet.
1345                  */
1346                 txdesc.flags = 0;
1347                 switch (rt2x00_get_field32(word, TXD_W0_RESULT)) {
1348                 case 0: /* Success */
1349                 case 1: /* Success with retry */
1350                         __set_bit(TXDONE_SUCCESS, &txdesc.flags);
1351                         break;
1352                 case 2: /* Failure, excessive retries */
1353                         __set_bit(TXDONE_EXCESSIVE_RETRY, &txdesc.flags);
1354                         /* Don't break, this is a failed frame! */
1355                 default: /* Failure */
1356                         __set_bit(TXDONE_FAILURE, &txdesc.flags);
1357                 }
1358                 txdesc.retry = rt2x00_get_field32(word, TXD_W0_RETRY_COUNT);
1359
1360                 rt2x00lib_txdone(entry, &txdesc);
1361         }
1362 }
1363
1364 static irqreturn_t rt2500pci_interrupt(int irq, void *dev_instance)
1365 {
1366         struct rt2x00_dev *rt2x00dev = dev_instance;
1367         u32 reg;
1368
1369         /*
1370          * Get the interrupt sources & saved to local variable.
1371          * Write register value back to clear pending interrupts.
1372          */
1373         rt2x00pci_register_read(rt2x00dev, CSR7, &reg);
1374         rt2x00pci_register_write(rt2x00dev, CSR7, reg);
1375
1376         if (!reg)
1377                 return IRQ_NONE;
1378
1379         if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
1380                 return IRQ_HANDLED;
1381
1382         /*
1383          * Handle interrupts, walk through all bits
1384          * and run the tasks, the bits are checked in order of
1385          * priority.
1386          */
1387
1388         /*
1389          * 1 - Beacon timer expired interrupt.
1390          */
1391         if (rt2x00_get_field32(reg, CSR7_TBCN_EXPIRE))
1392                 rt2x00lib_beacondone(rt2x00dev);
1393
1394         /*
1395          * 2 - Rx ring done interrupt.
1396          */
1397         if (rt2x00_get_field32(reg, CSR7_RXDONE))
1398                 rt2x00pci_rxdone(rt2x00dev);
1399
1400         /*
1401          * 3 - Atim ring transmit done interrupt.
1402          */
1403         if (rt2x00_get_field32(reg, CSR7_TXDONE_ATIMRING))
1404                 rt2500pci_txdone(rt2x00dev, QID_ATIM);
1405
1406         /*
1407          * 4 - Priority ring transmit done interrupt.
1408          */
1409         if (rt2x00_get_field32(reg, CSR7_TXDONE_PRIORING))
1410                 rt2500pci_txdone(rt2x00dev, QID_AC_BE);
1411
1412         /*
1413          * 5 - Tx ring transmit done interrupt.
1414          */
1415         if (rt2x00_get_field32(reg, CSR7_TXDONE_TXRING))
1416                 rt2500pci_txdone(rt2x00dev, QID_AC_BK);
1417
1418         return IRQ_HANDLED;
1419 }
1420
1421 /*
1422  * Device probe functions.
1423  */
1424 static int rt2500pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1425 {
1426         struct eeprom_93cx6 eeprom;
1427         u32 reg;
1428         u16 word;
1429         u8 *mac;
1430
1431         rt2x00pci_register_read(rt2x00dev, CSR21, &reg);
1432
1433         eeprom.data = rt2x00dev;
1434         eeprom.register_read = rt2500pci_eepromregister_read;
1435         eeprom.register_write = rt2500pci_eepromregister_write;
1436         eeprom.width = rt2x00_get_field32(reg, CSR21_TYPE_93C46) ?
1437             PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66;
1438         eeprom.reg_data_in = 0;
1439         eeprom.reg_data_out = 0;
1440         eeprom.reg_data_clock = 0;
1441         eeprom.reg_chip_select = 0;
1442
1443         eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
1444                                EEPROM_SIZE / sizeof(u16));
1445
1446         /*
1447          * Start validation of the data that has been read.
1448          */
1449         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1450         if (!is_valid_ether_addr(mac)) {
1451                 DECLARE_MAC_BUF(macbuf);
1452
1453                 random_ether_addr(mac);
1454                 EEPROM(rt2x00dev, "MAC: %s\n",
1455                        print_mac(macbuf, 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(rt2x00dev, RT2560, 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_RT2500PCI_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                 rt2500pci_init_led(rt2x00dev, &rt2x00dev->led_qual,
1539                                    LED_TYPE_ACTIVITY);
1540 #endif /* CONFIG_RT2500PCI_LEDS */
1541
1542         /*
1543          * Detect if this device has an hardware controlled radio.
1544          */
1545 #ifdef CONFIG_RT2500PCI_RFKILL
1546         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
1547                 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
1548 #endif /* CONFIG_RT2500PCI_RFKILL */
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 void rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
1724 {
1725         struct hw_mode_spec *spec = &rt2x00dev->spec;
1726         u8 *txpower;
1727         unsigned int i;
1728
1729         /*
1730          * Initialize all hw fields.
1731          */
1732         rt2x00dev->hw->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
1733                                IEEE80211_HW_SIGNAL_DBM;
1734
1735         rt2x00dev->hw->extra_tx_headroom = 0;
1736
1737         SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
1738         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1739                                 rt2x00_eeprom_addr(rt2x00dev,
1740                                                    EEPROM_MAC_ADDR_0));
1741
1742         /*
1743          * Convert tx_power array in eeprom.
1744          */
1745         txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
1746         for (i = 0; i < 14; i++)
1747                 txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
1748
1749         /*
1750          * Initialize hw_mode information.
1751          */
1752         spec->supported_bands = SUPPORT_BAND_2GHZ;
1753         spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
1754         spec->tx_power_a = NULL;
1755         spec->tx_power_bg = txpower;
1756         spec->tx_power_default = DEFAULT_TXPOWER;
1757
1758         if (rt2x00_rf(&rt2x00dev->chip, RF2522)) {
1759                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
1760                 spec->channels = rf_vals_bg_2522;
1761         } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) {
1762                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
1763                 spec->channels = rf_vals_bg_2523;
1764         } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) {
1765                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
1766                 spec->channels = rf_vals_bg_2524;
1767         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
1768                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
1769                 spec->channels = rf_vals_bg_2525;
1770         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
1771                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
1772                 spec->channels = rf_vals_bg_2525e;
1773         } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1774                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
1775                 spec->num_channels = ARRAY_SIZE(rf_vals_5222);
1776                 spec->channels = rf_vals_5222;
1777         }
1778 }
1779
1780 static int rt2500pci_probe_hw(struct rt2x00_dev *rt2x00dev)
1781 {
1782         int retval;
1783
1784         /*
1785          * Allocate eeprom data.
1786          */
1787         retval = rt2500pci_validate_eeprom(rt2x00dev);
1788         if (retval)
1789                 return retval;
1790
1791         retval = rt2500pci_init_eeprom(rt2x00dev);
1792         if (retval)
1793                 return retval;
1794
1795         /*
1796          * Initialize hw specifications.
1797          */
1798         rt2500pci_probe_hw_mode(rt2x00dev);
1799
1800         /*
1801          * This device requires the atim queue and DMA-mapped skbs.
1802          */
1803         __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
1804         __set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags);
1805
1806         /*
1807          * Set the rssi offset.
1808          */
1809         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1810
1811         return 0;
1812 }
1813
1814 /*
1815  * IEEE80211 stack callback functions.
1816  */
1817 static int rt2500pci_set_retry_limit(struct ieee80211_hw *hw,
1818                                      u32 short_retry, u32 long_retry)
1819 {
1820         struct rt2x00_dev *rt2x00dev = hw->priv;
1821         u32 reg;
1822
1823         rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
1824         rt2x00_set_field32(&reg, CSR11_LONG_RETRY, long_retry);
1825         rt2x00_set_field32(&reg, CSR11_SHORT_RETRY, short_retry);
1826         rt2x00pci_register_write(rt2x00dev, CSR11, reg);
1827
1828         return 0;
1829 }
1830
1831 static u64 rt2500pci_get_tsf(struct ieee80211_hw *hw)
1832 {
1833         struct rt2x00_dev *rt2x00dev = hw->priv;
1834         u64 tsf;
1835         u32 reg;
1836
1837         rt2x00pci_register_read(rt2x00dev, CSR17, &reg);
1838         tsf = (u64) rt2x00_get_field32(reg, CSR17_HIGH_TSFTIMER) << 32;
1839         rt2x00pci_register_read(rt2x00dev, CSR16, &reg);
1840         tsf |= rt2x00_get_field32(reg, CSR16_LOW_TSFTIMER);
1841
1842         return tsf;
1843 }
1844
1845 static int rt2500pci_tx_last_beacon(struct ieee80211_hw *hw)
1846 {
1847         struct rt2x00_dev *rt2x00dev = hw->priv;
1848         u32 reg;
1849
1850         rt2x00pci_register_read(rt2x00dev, CSR15, &reg);
1851         return rt2x00_get_field32(reg, CSR15_BEACON_SENT);
1852 }
1853
1854 static const struct ieee80211_ops rt2500pci_mac80211_ops = {
1855         .tx                     = rt2x00mac_tx,
1856         .start                  = rt2x00mac_start,
1857         .stop                   = rt2x00mac_stop,
1858         .add_interface          = rt2x00mac_add_interface,
1859         .remove_interface       = rt2x00mac_remove_interface,
1860         .config                 = rt2x00mac_config,
1861         .config_interface       = rt2x00mac_config_interface,
1862         .configure_filter       = rt2x00mac_configure_filter,
1863         .get_stats              = rt2x00mac_get_stats,
1864         .set_retry_limit        = rt2500pci_set_retry_limit,
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 };
1871
1872 static const struct rt2x00lib_ops rt2500pci_rt2x00_ops = {
1873         .irq_handler            = rt2500pci_interrupt,
1874         .probe_hw               = rt2500pci_probe_hw,
1875         .initialize             = rt2x00pci_initialize,
1876         .uninitialize           = rt2x00pci_uninitialize,
1877         .init_rxentry           = rt2500pci_init_rxentry,
1878         .init_txentry           = rt2500pci_init_txentry,
1879         .set_device_state       = rt2500pci_set_device_state,
1880         .rfkill_poll            = rt2500pci_rfkill_poll,
1881         .link_stats             = rt2500pci_link_stats,
1882         .reset_tuner            = rt2500pci_reset_tuner,
1883         .link_tuner             = rt2500pci_link_tuner,
1884         .write_tx_desc          = rt2500pci_write_tx_desc,
1885         .write_tx_data          = rt2x00pci_write_tx_data,
1886         .write_beacon           = rt2500pci_write_beacon,
1887         .kick_tx_queue          = rt2500pci_kick_tx_queue,
1888         .fill_rxdone            = rt2500pci_fill_rxdone,
1889         .config_filter          = rt2500pci_config_filter,
1890         .config_intf            = rt2500pci_config_intf,
1891         .config_erp             = rt2500pci_config_erp,
1892         .config                 = rt2500pci_config,
1893 };
1894
1895 static const struct data_queue_desc rt2500pci_queue_rx = {
1896         .entry_num              = RX_ENTRIES,
1897         .data_size              = DATA_FRAME_SIZE,
1898         .desc_size              = RXD_DESC_SIZE,
1899         .priv_size              = sizeof(struct queue_entry_priv_pci),
1900 };
1901
1902 static const struct data_queue_desc rt2500pci_queue_tx = {
1903         .entry_num              = TX_ENTRIES,
1904         .data_size              = DATA_FRAME_SIZE,
1905         .desc_size              = TXD_DESC_SIZE,
1906         .priv_size              = sizeof(struct queue_entry_priv_pci),
1907 };
1908
1909 static const struct data_queue_desc rt2500pci_queue_bcn = {
1910         .entry_num              = BEACON_ENTRIES,
1911         .data_size              = MGMT_FRAME_SIZE,
1912         .desc_size              = TXD_DESC_SIZE,
1913         .priv_size              = sizeof(struct queue_entry_priv_pci),
1914 };
1915
1916 static const struct data_queue_desc rt2500pci_queue_atim = {
1917         .entry_num              = ATIM_ENTRIES,
1918         .data_size              = DATA_FRAME_SIZE,
1919         .desc_size              = TXD_DESC_SIZE,
1920         .priv_size              = sizeof(struct queue_entry_priv_pci),
1921 };
1922
1923 static const struct rt2x00_ops rt2500pci_ops = {
1924         .name           = KBUILD_MODNAME,
1925         .max_sta_intf   = 1,
1926         .max_ap_intf    = 1,
1927         .eeprom_size    = EEPROM_SIZE,
1928         .rf_size        = RF_SIZE,
1929         .tx_queues      = NUM_TX_QUEUES,
1930         .rx             = &rt2500pci_queue_rx,
1931         .tx             = &rt2500pci_queue_tx,
1932         .bcn            = &rt2500pci_queue_bcn,
1933         .atim           = &rt2500pci_queue_atim,
1934         .lib            = &rt2500pci_rt2x00_ops,
1935         .hw             = &rt2500pci_mac80211_ops,
1936 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1937         .debugfs        = &rt2500pci_rt2x00debug,
1938 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1939 };
1940
1941 /*
1942  * RT2500pci module information.
1943  */
1944 static struct pci_device_id rt2500pci_device_table[] = {
1945         { PCI_DEVICE(0x1814, 0x0201), PCI_DEVICE_DATA(&rt2500pci_ops) },
1946         { 0, }
1947 };
1948
1949 MODULE_AUTHOR(DRV_PROJECT);
1950 MODULE_VERSION(DRV_VERSION);
1951 MODULE_DESCRIPTION("Ralink RT2500 PCI & PCMCIA Wireless LAN driver.");
1952 MODULE_SUPPORTED_DEVICE("Ralink RT2560 PCI & PCMCIA chipset based cards");
1953 MODULE_DEVICE_TABLE(pci, rt2500pci_device_table);
1954 MODULE_LICENSE("GPL");
1955
1956 static struct pci_driver rt2500pci_driver = {
1957         .name           = KBUILD_MODNAME,
1958         .id_table       = rt2500pci_device_table,
1959         .probe          = rt2x00pci_probe,
1960         .remove         = __devexit_p(rt2x00pci_remove),
1961         .suspend        = rt2x00pci_suspend,
1962         .resume         = rt2x00pci_resume,
1963 };
1964
1965 static int __init rt2500pci_init(void)
1966 {
1967         return pci_register_driver(&rt2500pci_driver);
1968 }
1969
1970 static void __exit rt2500pci_exit(void)
1971 {
1972         pci_unregister_driver(&rt2500pci_driver);
1973 }
1974
1975 module_init(rt2500pci_init);
1976 module_exit(rt2500pci_exit);