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_led_brightness(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         unsigned int activity =
 254             led->rt2x00dev->led_flags & LED_SUPPORT_ACTIVITY;
 255         u32 reg;
 256
 257         rt2x00pci_register_read(led->rt2x00dev, LEDCSR, &reg);
 258
 259         if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC) {
 260                 rt2x00_set_field32(&reg, LEDCSR_LINK, enabled);
 261                 rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, enabled && activity);
 262         }
 263
 264         rt2x00pci_register_write(led->rt2x00dev, LEDCSR, reg);
 265 }
 266 #else
 267 #define rt2500pci_led_brightness        NULL
 268 #endif /* CONFIG_RT2500PCI_LEDS */
 269
 270 /*
 271  * Configuration handlers.
 272  */
 273 static void rt2500pci_config_intf(struct rt2x00_dev *rt2x00dev,
 274                                   struct rt2x00_intf *intf,
 275                                   struct rt2x00intf_conf *conf,
 276                                   const unsigned int flags)
 277 {
 278         struct data_queue *queue =
 279             rt2x00queue_get_queue(rt2x00dev, RT2X00_BCN_QUEUE_BEACON);
 280         unsigned int bcn_preload;
 281         u32 reg;
 282
 283         if (flags & CONFIG_UPDATE_TYPE) {
 284                 rt2x00pci_register_write(rt2x00dev, CSR14, 0);
 285
 286                 /*
 287                  * Enable beacon config
 288                  */
 289                 bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
 290                 rt2x00pci_register_read(rt2x00dev, BCNCSR1, &reg);
 291                 rt2x00_set_field32(&reg, BCNCSR1_PRELOAD, bcn_preload);
 292                 rt2x00_set_field32(&reg, BCNCSR1_BEACON_CWMIN, queue->cw_min);
 293                 rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
 294
 295                 /*
 296                  * Enable synchronisation.
 297                  */
 298                 rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
 299                 rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 1);
 300                 rt2x00_set_field32(&reg, CSR14_TBCN,
 301                                    (conf->sync == TSF_SYNC_BEACON));
 302                 rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
 303                 rt2x00_set_field32(&reg, CSR14_TSF_SYNC, conf->sync);
 304                 rt2x00pci_register_write(rt2x00dev, CSR14, reg);
 305         }
 306
 307         if (flags & CONFIG_UPDATE_MAC)
 308                 rt2x00pci_register_multiwrite(rt2x00dev, CSR3,
 309                                               conf->mac, sizeof(conf->mac));
 310
 311         if (flags & CONFIG_UPDATE_BSSID)
 312                 rt2x00pci_register_multiwrite(rt2x00dev, CSR5,
 313                                               conf->bssid, sizeof(conf->bssid));
 314 }
 315
 316 static int rt2500pci_config_preamble(struct rt2x00_dev *rt2x00dev,
 317                                      const int short_preamble,
 318                                      const int ack_timeout,
 319                                      const int ack_consume_time)
 320 {
 321         int preamble_mask;
 322         u32 reg;
 323
 324         /*
 325          * When short preamble is enabled, we should set bit 0x08
 326          */
 327         preamble_mask = short_preamble << 3;
 328
 329         rt2x00pci_register_read(rt2x00dev, TXCSR1, &reg);
 330         rt2x00_set_field32(&reg, TXCSR1_ACK_TIMEOUT, ack_timeout);
 331         rt2x00_set_field32(&reg, TXCSR1_ACK_CONSUME_TIME, ack_consume_time);
 332         rt2x00pci_register_write(rt2x00dev, TXCSR1, reg);
 333
 334         rt2x00pci_register_read(rt2x00dev, ARCSR2, &reg);
 335         rt2x00_set_field32(&reg, ARCSR2_SIGNAL, 0x00 | preamble_mask);
 336         rt2x00_set_field32(&reg, ARCSR2_SERVICE, 0x04);
 337         rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 10));
 338         rt2x00pci_register_write(rt2x00dev, ARCSR2, reg);
 339
 340         rt2x00pci_register_read(rt2x00dev, ARCSR3, &reg);
 341         rt2x00_set_field32(&reg, ARCSR3_SIGNAL, 0x01 | preamble_mask);
 342         rt2x00_set_field32(&reg, ARCSR3_SERVICE, 0x04);
 343         rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 20));
 344         rt2x00pci_register_write(rt2x00dev, ARCSR3, reg);
 345
 346         rt2x00pci_register_read(rt2x00dev, ARCSR4, &reg);
 347         rt2x00_set_field32(&reg, ARCSR4_SIGNAL, 0x02 | preamble_mask);
 348         rt2x00_set_field32(&reg, ARCSR4_SERVICE, 0x04);
 349         rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 55));
 350         rt2x00pci_register_write(rt2x00dev, ARCSR4, reg);
 351
 352         rt2x00pci_register_read(rt2x00dev, ARCSR5, &reg);
 353         rt2x00_set_field32(&reg, ARCSR5_SIGNAL, 0x03 | preamble_mask);
 354         rt2x00_set_field32(&reg, ARCSR5_SERVICE, 0x84);
 355         rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 110));
 356         rt2x00pci_register_write(rt2x00dev, ARCSR5, reg);
 357
 358         return 0;
 359 }
 360
 361 static void rt2500pci_config_phymode(struct rt2x00_dev *rt2x00dev,
 362                                      const int basic_rate_mask)
 363 {
 364         rt2x00pci_register_write(rt2x00dev, ARCSR1, basic_rate_mask);
 365 }
 366
 367 static void rt2500pci_config_channel(struct rt2x00_dev *rt2x00dev,
 368                                      struct rf_channel *rf, const int txpower)
 369 {
 370         u8 r70;
 371
 372         /*
 373          * Set TXpower.
 374          */
 375         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 376
 377         /*
 378          * Switch on tuning bits.
 379          * For RT2523 devices we do not need to update the R1 register.
 380          */
 381         if (!rt2x00_rf(&rt2x00dev->chip, RF2523))
 382                 rt2x00_set_field32(&rf->rf1, RF1_TUNER, 1);
 383         rt2x00_set_field32(&rf->rf3, RF3_TUNER, 1);
 384
 385         /*
 386          * For RT2525 we should first set the channel to half band higher.
 387          */
 388         if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
 389                 static const u32 vals[] = {
 390                         0x00080cbe, 0x00080d02, 0x00080d06, 0x00080d0a,
 391                         0x00080d0e, 0x00080d12, 0x00080d16, 0x00080d1a,
 392                         0x00080d1e, 0x00080d22, 0x00080d26, 0x00080d2a,
 393                         0x00080d2e, 0x00080d3a
 394                 };
 395
 396                 rt2500pci_rf_write(rt2x00dev, 1, rf->rf1);
 397                 rt2500pci_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
 398                 rt2500pci_rf_write(rt2x00dev, 3, rf->rf3);
 399                 if (rf->rf4)
 400                         rt2500pci_rf_write(rt2x00dev, 4, rf->rf4);
 401         }
 402
 403         rt2500pci_rf_write(rt2x00dev, 1, rf->rf1);
 404         rt2500pci_rf_write(rt2x00dev, 2, rf->rf2);
 405         rt2500pci_rf_write(rt2x00dev, 3, rf->rf3);
 406         if (rf->rf4)
 407                 rt2500pci_rf_write(rt2x00dev, 4, rf->rf4);
 408
 409         /*
 410          * Channel 14 requires the Japan filter bit to be set.
 411          */
 412         r70 = 0x46;
 413         rt2x00_set_field8(&r70, BBP_R70_JAPAN_FILTER, rf->channel == 14);
 414         rt2500pci_bbp_write(rt2x00dev, 70, r70);
 415
 416         msleep(1);
 417
 418         /*
 419          * Switch off tuning bits.
 420          * For RT2523 devices we do not need to update the R1 register.
 421          */
 422         if (!rt2x00_rf(&rt2x00dev->chip, RF2523)) {
 423                 rt2x00_set_field32(&rf->rf1, RF1_TUNER, 0);
 424                 rt2500pci_rf_write(rt2x00dev, 1, rf->rf1);
 425         }
 426
 427         rt2x00_set_field32(&rf->rf3, RF3_TUNER, 0);
 428         rt2500pci_rf_write(rt2x00dev, 3, rf->rf3);
 429
 430         /*
 431          * Clear false CRC during channel switch.
 432          */
 433         rt2x00pci_register_read(rt2x00dev, CNT0, &rf->rf1);
 434 }
 435
 436 static void rt2500pci_config_txpower(struct rt2x00_dev *rt2x00dev,
 437                                      const int txpower)
 438 {
 439         u32 rf3;
 440
 441         rt2x00_rf_read(rt2x00dev, 3, &rf3);
 442         rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 443         rt2500pci_rf_write(rt2x00dev, 3, rf3);
 444 }
 445
 446 static void rt2500pci_config_antenna(struct rt2x00_dev *rt2x00dev,
 447                                      struct antenna_setup *ant)
 448 {
 449         u32 reg;
 450         u8 r14;
 451         u8 r2;
 452
 453         rt2x00pci_register_read(rt2x00dev, BBPCSR1, &reg);
 454         rt2500pci_bbp_read(rt2x00dev, 14, &r14);
 455         rt2500pci_bbp_read(rt2x00dev, 2, &r2);
 456
 457         /*
 458          * Configure the TX antenna.
 459          */
 460         switch (ant->tx) {
 461         case ANTENNA_A:
 462                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
 463                 rt2x00_set_field32(&reg, BBPCSR1_CCK, 0);
 464                 rt2x00_set_field32(&reg, BBPCSR1_OFDM, 0);
 465                 break;
 466         case ANTENNA_HW_DIVERSITY:
 467         case ANTENNA_SW_DIVERSITY:
 468                 /*
 469                  * NOTE: We should never come here because rt2x00lib is
 470                  * supposed to catch this and send us the correct antenna
 471                  * explicitely. However we are nog going to bug about this.
 472                  * Instead, just default to antenna B.
 473                  */
 474         case ANTENNA_B:
 475                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
 476                 rt2x00_set_field32(&reg, BBPCSR1_CCK, 2);
 477                 rt2x00_set_field32(&reg, BBPCSR1_OFDM, 2);
 478                 break;
 479         }
 480
 481         /*
 482          * Configure the RX antenna.
 483          */
 484         switch (ant->rx) {
 485         case ANTENNA_A:
 486                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
 487                 break;
 488         case ANTENNA_HW_DIVERSITY:
 489         case ANTENNA_SW_DIVERSITY:
 490                 /*
 491                  * NOTE: We should never come here because rt2x00lib is
 492                  * supposed to catch this and send us the correct antenna
 493                  * explicitely. However we are nog going to bug about this.
 494                  * Instead, just default to antenna B.
 495                  */
 496         case ANTENNA_B:
 497                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
 498                 break;
 499         }
 500
 501         /*
 502          * RT2525E and RT5222 need to flip TX I/Q
 503          */
 504         if (rt2x00_rf(&rt2x00dev->chip, RF2525E) ||
 505             rt2x00_rf(&rt2x00dev->chip, RF5222)) {
 506                 rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
 507                 rt2x00_set_field32(&reg, BBPCSR1_CCK_FLIP, 1);
 508                 rt2x00_set_field32(&reg, BBPCSR1_OFDM_FLIP, 1);
 509
 510                 /*
 511                  * RT2525E does not need RX I/Q Flip.
 512                  */
 513                 if (rt2x00_rf(&rt2x00dev->chip, RF2525E))
 514                         rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
 515         } else {
 516                 rt2x00_set_field32(&reg, BBPCSR1_CCK_FLIP, 0);
 517                 rt2x00_set_field32(&reg, BBPCSR1_OFDM_FLIP, 0);
 518         }
 519
 520         rt2x00pci_register_write(rt2x00dev, BBPCSR1, reg);
 521         rt2500pci_bbp_write(rt2x00dev, 14, r14);
 522         rt2500pci_bbp_write(rt2x00dev, 2, r2);
 523 }
 524
 525 static void rt2500pci_config_duration(struct rt2x00_dev *rt2x00dev,
 526                                       struct rt2x00lib_conf *libconf)
 527 {
 528         u32 reg;
 529
 530         rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
 531         rt2x00_set_field32(&reg, CSR11_SLOT_TIME, libconf->slot_time);
 532         rt2x00pci_register_write(rt2x00dev, CSR11, reg);
 533
 534         rt2x00pci_register_read(rt2x00dev, CSR18, &reg);
 535         rt2x00_set_field32(&reg, CSR18_SIFS, libconf->sifs);
 536         rt2x00_set_field32(&reg, CSR18_PIFS, libconf->pifs);
 537         rt2x00pci_register_write(rt2x00dev, CSR18, reg);
 538
 539         rt2x00pci_register_read(rt2x00dev, CSR19, &reg);
 540         rt2x00_set_field32(&reg, CSR19_DIFS, libconf->difs);
 541         rt2x00_set_field32(&reg, CSR19_EIFS, libconf->eifs);
 542         rt2x00pci_register_write(rt2x00dev, CSR19, reg);
 543
 544         rt2x00pci_register_read(rt2x00dev, TXCSR1, &reg);
 545         rt2x00_set_field32(&reg, TXCSR1_TSF_OFFSET, IEEE80211_HEADER);
 546         rt2x00_set_field32(&reg, TXCSR1_AUTORESPONDER, 1);
 547         rt2x00pci_register_write(rt2x00dev, TXCSR1, reg);
 548
 549         rt2x00pci_register_read(rt2x00dev, CSR12, &reg);
 550         rt2x00_set_field32(&reg, CSR12_BEACON_INTERVAL,
 551                            libconf->conf->beacon_int * 16);
 552         rt2x00_set_field32(&reg, CSR12_CFP_MAX_DURATION,
 553                            libconf->conf->beacon_int * 16);
 554         rt2x00pci_register_write(rt2x00dev, CSR12, reg);
 555 }
 556
 557 static void rt2500pci_config(struct rt2x00_dev *rt2x00dev,
 558                              struct rt2x00lib_conf *libconf,
 559                              const unsigned int flags)
 560 {
 561         if (flags & CONFIG_UPDATE_PHYMODE)
 562                 rt2500pci_config_phymode(rt2x00dev, libconf->basic_rates);
 563         if (flags & CONFIG_UPDATE_CHANNEL)
 564                 rt2500pci_config_channel(rt2x00dev, &libconf->rf,
 565                                          libconf->conf->power_level);
 566         if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
 567                 rt2500pci_config_txpower(rt2x00dev,
 568                                          libconf->conf->power_level);
 569         if (flags & CONFIG_UPDATE_ANTENNA)
 570                 rt2500pci_config_antenna(rt2x00dev, &libconf->ant);
 571         if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
 572                 rt2500pci_config_duration(rt2x00dev, libconf);
 573 }
 574
 575 /*
 576  * Link tuning
 577  */
 578 static void rt2500pci_link_stats(struct rt2x00_dev *rt2x00dev,
 579                                  struct link_qual *qual)
 580 {
 581         u32 reg;
 582
 583         /*
 584          * Update FCS error count from register.
 585          */
 586         rt2x00pci_register_read(rt2x00dev, CNT0, &reg);
 587         qual->rx_failed = rt2x00_get_field32(reg, CNT0_FCS_ERROR);
 588
 589         /*
 590          * Update False CCA count from register.
 591          */
 592         rt2x00pci_register_read(rt2x00dev, CNT3, &reg);
 593         qual->false_cca = rt2x00_get_field32(reg, CNT3_FALSE_CCA);
 594 }
 595
 596 static void rt2500pci_reset_tuner(struct rt2x00_dev *rt2x00dev)
 597 {
 598         rt2500pci_bbp_write(rt2x00dev, 17, 0x48);
 599         rt2x00dev->link.vgc_level = 0x48;
 600 }
 601
 602 static void rt2500pci_link_tuner(struct rt2x00_dev *rt2x00dev)
 603 {
 604         int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
 605         u8 r17;
 606
 607         /*
 608          * To prevent collisions with MAC ASIC on chipsets
 609          * up to version C the link tuning should halt after 20
 610          * seconds while being associated.
 611          */
 612         if (rt2x00_rev(&rt2x00dev->chip) < RT2560_VERSION_D &&
 613             rt2x00dev->intf_associated &&
 614             rt2x00dev->link.count > 20)
 615                 return;
 616
 617         rt2500pci_bbp_read(rt2x00dev, 17, &r17);
 618
 619         /*
 620          * Chipset versions C and lower should directly continue
 621          * to the dynamic CCA tuning. Chipset version D and higher
 622          * should go straight to dynamic CCA tuning when they
 623          * are not associated.
 624          */
 625         if (rt2x00_rev(&rt2x00dev->chip) < RT2560_VERSION_D ||
 626             !rt2x00dev->intf_associated)
 627                 goto dynamic_cca_tune;
 628
 629         /*
 630          * A too low RSSI will cause too much false CCA which will
 631          * then corrupt the R17 tuning. To remidy this the tuning should
 632          * be stopped (While making sure the R17 value will not exceed limits)
 633          */
 634         if (rssi < -80 && rt2x00dev->link.count > 20) {
 635                 if (r17 >= 0x41) {
 636                         r17 = rt2x00dev->link.vgc_level;
 637                         rt2500pci_bbp_write(rt2x00dev, 17, r17);
 638                 }
 639                 return;
 640         }
 641
 642         /*
 643          * Special big-R17 for short distance
 644          */
 645         if (rssi >= -58) {
 646                 if (r17 != 0x50)
 647                         rt2500pci_bbp_write(rt2x00dev, 17, 0x50);
 648                 return;
 649         }
 650
 651         /*
 652          * Special mid-R17 for middle distance
 653          */
 654         if (rssi >= -74) {
 655                 if (r17 != 0x41)
 656                         rt2500pci_bbp_write(rt2x00dev, 17, 0x41);
 657                 return;
 658         }
 659
 660         /*
 661          * Leave short or middle distance condition, restore r17
 662          * to the dynamic tuning range.
 663          */
 664         if (r17 >= 0x41) {
 665                 rt2500pci_bbp_write(rt2x00dev, 17, rt2x00dev->link.vgc_level);
 666                 return;
 667         }
 668
 669 dynamic_cca_tune:
 670
 671         /*
 672          * R17 is inside the dynamic tuning range,
 673          * start tuning the link based on the false cca counter.
 674          */
 675         if (rt2x00dev->link.qual.false_cca > 512 && r17 < 0x40) {
 676                 rt2500pci_bbp_write(rt2x00dev, 17, ++r17);
 677                 rt2x00dev->link.vgc_level = r17;
 678         } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > 0x32) {
 679                 rt2500pci_bbp_write(rt2x00dev, 17, --r17);
 680                 rt2x00dev->link.vgc_level = r17;
 681         }
 682 }
 683
 684 /*
 685  * Initialization functions.
 686  */
 687 static void rt2500pci_init_rxentry(struct rt2x00_dev *rt2x00dev,
 688                                    struct queue_entry *entry)
 689 {
 690         struct queue_entry_priv_pci_rx *priv_rx = entry->priv_data;
 691         u32 word;
 692
 693         rt2x00_desc_read(priv_rx->desc, 1, &word);
 694         rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, priv_rx->data_dma);
 695         rt2x00_desc_write(priv_rx->desc, 1, word);
 696
 697         rt2x00_desc_read(priv_rx->desc, 0, &word);
 698         rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
 699         rt2x00_desc_write(priv_rx->desc, 0, word);
 700 }
 701
 702 static void rt2500pci_init_txentry(struct rt2x00_dev *rt2x00dev,
 703                                    struct queue_entry *entry)
 704 {
 705         struct queue_entry_priv_pci_tx *priv_tx = entry->priv_data;
 706         u32 word;
 707
 708         rt2x00_desc_read(priv_tx->desc, 1, &word);
 709         rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, priv_tx->data_dma);
 710         rt2x00_desc_write(priv_tx->desc, 1, word);
 711
 712         rt2x00_desc_read(priv_tx->desc, 0, &word);
 713         rt2x00_set_field32(&word, TXD_W0_VALID, 0);
 714         rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
 715         rt2x00_desc_write(priv_tx->desc, 0, word);
 716 }
 717
 718 static int rt2500pci_init_queues(struct rt2x00_dev *rt2x00dev)
 719 {
 720         struct queue_entry_priv_pci_rx *priv_rx;
 721         struct queue_entry_priv_pci_tx *priv_tx;
 722         u32 reg;
 723
 724         /*
 725          * Initialize registers.
 726          */
 727         rt2x00pci_register_read(rt2x00dev, TXCSR2, &reg);
 728         rt2x00_set_field32(&reg, TXCSR2_TXD_SIZE, rt2x00dev->tx[0].desc_size);
 729         rt2x00_set_field32(&reg, TXCSR2_NUM_TXD, rt2x00dev->tx[1].limit);
 730         rt2x00_set_field32(&reg, TXCSR2_NUM_ATIM, rt2x00dev->bcn[1].limit);
 731         rt2x00_set_field32(&reg, TXCSR2_NUM_PRIO, rt2x00dev->tx[0].limit);
 732         rt2x00pci_register_write(rt2x00dev, TXCSR2, reg);
 733
 734         priv_tx = rt2x00dev->tx[1].entries[0].priv_data;
 735         rt2x00pci_register_read(rt2x00dev, TXCSR3, &reg);
 736         rt2x00_set_field32(&reg, TXCSR3_TX_RING_REGISTER,
 737                            priv_tx->desc_dma);
 738         rt2x00pci_register_write(rt2x00dev, TXCSR3, reg);
 739
 740         priv_tx = rt2x00dev->tx[0].entries[0].priv_data;
 741         rt2x00pci_register_read(rt2x00dev, TXCSR5, &reg);
 742         rt2x00_set_field32(&reg, TXCSR5_PRIO_RING_REGISTER,
 743                            priv_tx->desc_dma);
 744         rt2x00pci_register_write(rt2x00dev, TXCSR5, reg);
 745
 746         priv_tx = rt2x00dev->bcn[1].entries[0].priv_data;
 747         rt2x00pci_register_read(rt2x00dev, TXCSR4, &reg);
 748         rt2x00_set_field32(&reg, TXCSR4_ATIM_RING_REGISTER,
 749                            priv_tx->desc_dma);
 750         rt2x00pci_register_write(rt2x00dev, TXCSR4, reg);
 751
 752         priv_tx = rt2x00dev->bcn[0].entries[0].priv_data;
 753         rt2x00pci_register_read(rt2x00dev, TXCSR6, &reg);
 754         rt2x00_set_field32(&reg, TXCSR6_BEACON_RING_REGISTER,
 755                            priv_tx->desc_dma);
 756         rt2x00pci_register_write(rt2x00dev, TXCSR6, reg);
 757
 758         rt2x00pci_register_read(rt2x00dev, RXCSR1, &reg);
 759         rt2x00_set_field32(&reg, RXCSR1_RXD_SIZE, rt2x00dev->rx->desc_size);
 760         rt2x00_set_field32(&reg, RXCSR1_NUM_RXD, rt2x00dev->rx->limit);
 761         rt2x00pci_register_write(rt2x00dev, RXCSR1, reg);
 762
 763         priv_rx = rt2x00dev->rx->entries[0].priv_data;
 764         rt2x00pci_register_read(rt2x00dev, RXCSR2, &reg);
 765         rt2x00_set_field32(&reg, RXCSR2_RX_RING_REGISTER, priv_tx->desc_dma);
 766         rt2x00pci_register_write(rt2x00dev, RXCSR2, reg);
 767
 768         return 0;
 769 }
 770
 771 static int rt2500pci_init_registers(struct rt2x00_dev *rt2x00dev)
 772 {
 773         u32 reg;
 774
 775         rt2x00pci_register_write(rt2x00dev, PSCSR0, 0x00020002);
 776         rt2x00pci_register_write(rt2x00dev, PSCSR1, 0x00000002);
 777         rt2x00pci_register_write(rt2x00dev, PSCSR2, 0x00020002);
 778         rt2x00pci_register_write(rt2x00dev, PSCSR3, 0x00000002);
 779
 780         rt2x00pci_register_read(rt2x00dev, TIMECSR, &reg);
 781         rt2x00_set_field32(&reg, TIMECSR_US_COUNT, 33);
 782         rt2x00_set_field32(&reg, TIMECSR_US_64_COUNT, 63);
 783         rt2x00_set_field32(&reg, TIMECSR_BEACON_EXPECT, 0);
 784         rt2x00pci_register_write(rt2x00dev, TIMECSR, reg);
 785
 786         rt2x00pci_register_read(rt2x00dev, CSR9, &reg);
 787         rt2x00_set_field32(&reg, CSR9_MAX_FRAME_UNIT,
 788                            rt2x00dev->rx->data_size / 128);
 789         rt2x00pci_register_write(rt2x00dev, CSR9, reg);
 790
 791         /*
 792          * Always use CWmin and CWmax set in descriptor.
 793          */
 794         rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
 795         rt2x00_set_field32(&reg, CSR11_CW_SELECT, 0);
 796         rt2x00pci_register_write(rt2x00dev, CSR11, reg);
 797
 798         rt2x00pci_register_read(rt2x00dev, LEDCSR, &reg);
 799         rt2x00_set_field32(&reg, LEDCSR_ON_PERIOD, 70);
 800         rt2x00_set_field32(&reg, LEDCSR_OFF_PERIOD, 30);
 801         rt2x00pci_register_write(rt2x00dev, LEDCSR, reg);
 802
 803         rt2x00pci_register_write(rt2x00dev, CNT3, 0);
 804
 805         rt2x00pci_register_read(rt2x00dev, TXCSR8, &reg);
 806         rt2x00_set_field32(&reg, TXCSR8_BBP_ID0, 10);
 807         rt2x00_set_field32(&reg, TXCSR8_BBP_ID0_VALID, 1);
 808         rt2x00_set_field32(&reg, TXCSR8_BBP_ID1, 11);
 809         rt2x00_set_field32(&reg, TXCSR8_BBP_ID1_VALID, 1);
 810         rt2x00_set_field32(&reg, TXCSR8_BBP_ID2, 13);
 811         rt2x00_set_field32(&reg, TXCSR8_BBP_ID2_VALID, 1);
 812         rt2x00_set_field32(&reg, TXCSR8_BBP_ID3, 12);
 813         rt2x00_set_field32(&reg, TXCSR8_BBP_ID3_VALID, 1);
 814         rt2x00pci_register_write(rt2x00dev, TXCSR8, reg);
 815
 816         rt2x00pci_register_read(rt2x00dev, ARTCSR0, &reg);
 817         rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_1MBS, 112);
 818         rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_2MBS, 56);
 819         rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_5_5MBS, 20);
 820         rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_11MBS, 10);
 821         rt2x00pci_register_write(rt2x00dev, ARTCSR0, reg);
 822
 823         rt2x00pci_register_read(rt2x00dev, ARTCSR1, &reg);
 824         rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_6MBS, 45);
 825         rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_9MBS, 37);
 826         rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_12MBS, 33);
 827         rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_18MBS, 29);
 828         rt2x00pci_register_write(rt2x00dev, ARTCSR1, reg);
 829
 830         rt2x00pci_register_read(rt2x00dev, ARTCSR2, &reg);
 831         rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_24MBS, 29);
 832         rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_36MBS, 25);
 833         rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_48MBS, 25);
 834         rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_54MBS, 25);
 835         rt2x00pci_register_write(rt2x00dev, ARTCSR2, reg);
 836
 837         rt2x00pci_register_read(rt2x00dev, RXCSR3, &reg);
 838         rt2x00_set_field32(&reg, RXCSR3_BBP_ID0, 47); /* CCK Signal */
 839         rt2x00_set_field32(&reg, RXCSR3_BBP_ID0_VALID, 1);
 840         rt2x00_set_field32(&reg, RXCSR3_BBP_ID1, 51); /* Rssi */
 841         rt2x00_set_field32(&reg, RXCSR3_BBP_ID1_VALID, 1);
 842         rt2x00_set_field32(&reg, RXCSR3_BBP_ID2, 42); /* OFDM Rate */
 843         rt2x00_set_field32(&reg, RXCSR3_BBP_ID2_VALID, 1);
 844         rt2x00_set_field32(&reg, RXCSR3_BBP_ID3, 51); /* RSSI */
 845         rt2x00_set_field32(&reg, RXCSR3_BBP_ID3_VALID, 1);
 846         rt2x00pci_register_write(rt2x00dev, RXCSR3, reg);
 847
 848         rt2x00pci_register_read(rt2x00dev, PCICSR, &reg);
 849         rt2x00_set_field32(&reg, PCICSR_BIG_ENDIAN, 0);
 850         rt2x00_set_field32(&reg, PCICSR_RX_TRESHOLD, 0);
 851         rt2x00_set_field32(&reg, PCICSR_TX_TRESHOLD, 3);
 852         rt2x00_set_field32(&reg, PCICSR_BURST_LENTH, 1);
 853         rt2x00_set_field32(&reg, PCICSR_ENABLE_CLK, 1);
 854         rt2x00_set_field32(&reg, PCICSR_READ_MULTIPLE, 1);
 855         rt2x00_set_field32(&reg, PCICSR_WRITE_INVALID, 1);
 856         rt2x00pci_register_write(rt2x00dev, PCICSR, reg);
 857
 858         rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0x3f3b3100);
 859
 860         rt2x00pci_register_write(rt2x00dev, GPIOCSR, 0x0000ff00);
 861         rt2x00pci_register_write(rt2x00dev, TESTCSR, 0x000000f0);
 862
 863         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
 864                 return -EBUSY;
 865
 866         rt2x00pci_register_write(rt2x00dev, MACCSR0, 0x00213223);
 867         rt2x00pci_register_write(rt2x00dev, MACCSR1, 0x00235518);
 868
 869         rt2x00pci_register_read(rt2x00dev, MACCSR2, &reg);
 870         rt2x00_set_field32(&reg, MACCSR2_DELAY, 64);
 871         rt2x00pci_register_write(rt2x00dev, MACCSR2, reg);
 872
 873         rt2x00pci_register_read(rt2x00dev, RALINKCSR, &reg);
 874         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA0, 17);
 875         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID0, 26);
 876         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_VALID0, 1);
 877         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA1, 0);
 878         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID1, 26);
 879         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_VALID1, 1);
 880         rt2x00pci_register_write(rt2x00dev, RALINKCSR, reg);
 881
 882         rt2x00pci_register_write(rt2x00dev, BBPCSR1, 0x82188200);
 883
 884         rt2x00pci_register_write(rt2x00dev, TXACKCSR0, 0x00000020);
 885
 886         rt2x00pci_register_read(rt2x00dev, CSR1, &reg);
 887         rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 1);
 888         rt2x00_set_field32(&reg, CSR1_BBP_RESET, 0);
 889         rt2x00_set_field32(&reg, CSR1_HOST_READY, 0);
 890         rt2x00pci_register_write(rt2x00dev, CSR1, reg);
 891
 892         rt2x00pci_register_read(rt2x00dev, CSR1, &reg);
 893         rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 0);
 894         rt2x00_set_field32(&reg, CSR1_HOST_READY, 1);
 895         rt2x00pci_register_write(rt2x00dev, CSR1, reg);
 896
 897         /*
 898          * We must clear the FCS and FIFO error count.
 899          * These registers are cleared on read,
 900          * so we may pass a useless variable to store the value.
 901          */
 902         rt2x00pci_register_read(rt2x00dev, CNT0, &reg);
 903         rt2x00pci_register_read(rt2x00dev, CNT4, &reg);
 904
 905         return 0;
 906 }
 907
 908 static int rt2500pci_init_bbp(struct rt2x00_dev *rt2x00dev)
 909 {
 910         unsigned int i;
 911         u16 eeprom;
 912         u8 reg_id;
 913         u8 value;
 914
 915         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 916                 rt2500pci_bbp_read(rt2x00dev, 0, &value);
 917                 if ((value != 0xff) && (value != 0x00))
 918                         goto continue_csr_init;
 919                 NOTICE(rt2x00dev, "Waiting for BBP register.\n");
 920                 udelay(REGISTER_BUSY_DELAY);
 921         }
 922
 923         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
 924         return -EACCES;
 925
 926 continue_csr_init:
 927         rt2500pci_bbp_write(rt2x00dev, 3, 0x02);
 928         rt2500pci_bbp_write(rt2x00dev, 4, 0x19);
 929         rt2500pci_bbp_write(rt2x00dev, 14, 0x1c);
 930         rt2500pci_bbp_write(rt2x00dev, 15, 0x30);
 931         rt2500pci_bbp_write(rt2x00dev, 16, 0xac);
 932         rt2500pci_bbp_write(rt2x00dev, 18, 0x18);
 933         rt2500pci_bbp_write(rt2x00dev, 19, 0xff);
 934         rt2500pci_bbp_write(rt2x00dev, 20, 0x1e);
 935         rt2500pci_bbp_write(rt2x00dev, 21, 0x08);
 936         rt2500pci_bbp_write(rt2x00dev, 22, 0x08);
 937         rt2500pci_bbp_write(rt2x00dev, 23, 0x08);
 938         rt2500pci_bbp_write(rt2x00dev, 24, 0x70);
 939         rt2500pci_bbp_write(rt2x00dev, 25, 0x40);
 940         rt2500pci_bbp_write(rt2x00dev, 26, 0x08);
 941         rt2500pci_bbp_write(rt2x00dev, 27, 0x23);
 942         rt2500pci_bbp_write(rt2x00dev, 30, 0x10);
 943         rt2500pci_bbp_write(rt2x00dev, 31, 0x2b);
 944         rt2500pci_bbp_write(rt2x00dev, 32, 0xb9);
 945         rt2500pci_bbp_write(rt2x00dev, 34, 0x12);
 946         rt2500pci_bbp_write(rt2x00dev, 35, 0x50);
 947         rt2500pci_bbp_write(rt2x00dev, 39, 0xc4);
 948         rt2500pci_bbp_write(rt2x00dev, 40, 0x02);
 949         rt2500pci_bbp_write(rt2x00dev, 41, 0x60);
 950         rt2500pci_bbp_write(rt2x00dev, 53, 0x10);
 951         rt2500pci_bbp_write(rt2x00dev, 54, 0x18);
 952         rt2500pci_bbp_write(rt2x00dev, 56, 0x08);
 953         rt2500pci_bbp_write(rt2x00dev, 57, 0x10);
 954         rt2500pci_bbp_write(rt2x00dev, 58, 0x08);
 955         rt2500pci_bbp_write(rt2x00dev, 61, 0x6d);
 956         rt2500pci_bbp_write(rt2x00dev, 62, 0x10);
 957
 958         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
 959                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
 960
 961                 if (eeprom != 0xffff && eeprom != 0x0000) {
 962                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
 963                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
 964                         rt2500pci_bbp_write(rt2x00dev, reg_id, value);
 965                 }
 966         }
 967
 968         return 0;
 969 }
 970
 971 /*
 972  * Device state switch handlers.
 973  */
 974 static void rt2500pci_toggle_rx(struct rt2x00_dev *rt2x00dev,
 975                                 enum dev_state state)
 976 {
 977         u32 reg;
 978
 979         rt2x00pci_register_read(rt2x00dev, RXCSR0, &reg);
 980         rt2x00_set_field32(&reg, RXCSR0_DISABLE_RX,
 981                            state == STATE_RADIO_RX_OFF);
 982         rt2x00pci_register_write(rt2x00dev, RXCSR0, reg);
 983 }
 984
 985 static void rt2500pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
 986                                  enum dev_state state)
 987 {
 988         int mask = (state == STATE_RADIO_IRQ_OFF);
 989         u32 reg;
 990
 991         /*
 992          * When interrupts are being enabled, the interrupt registers
 993          * should clear the register to assure a clean state.
 994          */
 995         if (state == STATE_RADIO_IRQ_ON) {
 996                 rt2x00pci_register_read(rt2x00dev, CSR7, &reg);
 997                 rt2x00pci_register_write(rt2x00dev, CSR7, reg);
 998         }
 999
1000         /*
1001          * Only toggle the interrupts bits we are going to use.
1002          * Non-checked interrupt bits are disabled by default.
1003          */
1004         rt2x00pci_register_read(rt2x00dev, CSR8, &reg);
1005         rt2x00_set_field32(&reg, CSR8_TBCN_EXPIRE, mask);
1006         rt2x00_set_field32(&reg, CSR8_TXDONE_TXRING, mask);
1007         rt2x00_set_field32(&reg, CSR8_TXDONE_ATIMRING, mask);
1008         rt2x00_set_field32(&reg, CSR8_TXDONE_PRIORING, mask);
1009         rt2x00_set_field32(&reg, CSR8_RXDONE, mask);
1010         rt2x00pci_register_write(rt2x00dev, CSR8, reg);
1011 }
1012
1013 static int rt2500pci_enable_radio(struct rt2x00_dev *rt2x00dev)
1014 {
1015         /*
1016          * Initialize all registers.
1017          */
1018         if (rt2500pci_init_queues(rt2x00dev) ||
1019             rt2500pci_init_registers(rt2x00dev) ||
1020             rt2500pci_init_bbp(rt2x00dev)) {
1021                 ERROR(rt2x00dev, "Register initialization failed.\n");
1022                 return -EIO;
1023         }
1024
1025         /*
1026          * Enable interrupts.
1027          */
1028         rt2500pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_ON);
1029
1030         return 0;
1031 }
1032
1033 static void rt2500pci_disable_radio(struct rt2x00_dev *rt2x00dev)
1034 {
1035         u32 reg;
1036
1037         rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0);
1038
1039         /*
1040          * Disable synchronisation.
1041          */
1042         rt2x00pci_register_write(rt2x00dev, CSR14, 0);
1043
1044         /*
1045          * Cancel RX and TX.
1046          */
1047         rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
1048         rt2x00_set_field32(&reg, TXCSR0_ABORT, 1);
1049         rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
1050
1051         /*
1052          * Disable interrupts.
1053          */
1054         rt2500pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_OFF);
1055 }
1056
1057 static int rt2500pci_set_state(struct rt2x00_dev *rt2x00dev,
1058                                enum dev_state state)
1059 {
1060         u32 reg;
1061         unsigned int i;
1062         char put_to_sleep;
1063         char bbp_state;
1064         char rf_state;
1065
1066         put_to_sleep = (state != STATE_AWAKE);
1067
1068         rt2x00pci_register_read(rt2x00dev, PWRCSR1, &reg);
1069         rt2x00_set_field32(&reg, PWRCSR1_SET_STATE, 1);
1070         rt2x00_set_field32(&reg, PWRCSR1_BBP_DESIRE_STATE, state);
1071         rt2x00_set_field32(&reg, PWRCSR1_RF_DESIRE_STATE, state);
1072         rt2x00_set_field32(&reg, PWRCSR1_PUT_TO_SLEEP, put_to_sleep);
1073         rt2x00pci_register_write(rt2x00dev, PWRCSR1, reg);
1074
1075         /*
1076          * Device is not guaranteed to be in the requested state yet.
1077          * We must wait until the register indicates that the
1078          * device has entered the correct state.
1079          */
1080         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1081                 rt2x00pci_register_read(rt2x00dev, PWRCSR1, &reg);
1082                 bbp_state = rt2x00_get_field32(reg, PWRCSR1_BBP_CURR_STATE);
1083                 rf_state = rt2x00_get_field32(reg, PWRCSR1_RF_CURR_STATE);
1084                 if (bbp_state == state && rf_state == state)
1085                         return 0;
1086                 msleep(10);
1087         }
1088
1089         NOTICE(rt2x00dev, "Device failed to enter state %d, "
1090                "current device state: bbp %d and rf %d.\n",
1091                state, bbp_state, rf_state);
1092
1093         return -EBUSY;
1094 }
1095
1096 static int rt2500pci_set_device_state(struct rt2x00_dev *rt2x00dev,
1097                                       enum dev_state state)
1098 {
1099         int retval = 0;
1100
1101         switch (state) {
1102         case STATE_RADIO_ON:
1103                 retval = rt2500pci_enable_radio(rt2x00dev);
1104                 break;
1105         case STATE_RADIO_OFF:
1106                 rt2500pci_disable_radio(rt2x00dev);
1107                 break;
1108         case STATE_RADIO_RX_ON:
1109         case STATE_RADIO_RX_ON_LINK:
1110                 rt2500pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
1111                 break;
1112         case STATE_RADIO_RX_OFF:
1113         case STATE_RADIO_RX_OFF_LINK:
1114                 rt2500pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
1115                 break;
1116         case STATE_DEEP_SLEEP:
1117         case STATE_SLEEP:
1118         case STATE_STANDBY:
1119         case STATE_AWAKE:
1120                 retval = rt2500pci_set_state(rt2x00dev, state);
1121                 break;
1122         default:
1123                 retval = -ENOTSUPP;
1124                 break;
1125         }
1126
1127         return retval;
1128 }
1129
1130 /*
1131  * TX descriptor initialization
1132  */
1133 static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1134                                     struct sk_buff *skb,
1135                                     struct txentry_desc *txdesc,
1136                                     struct ieee80211_tx_control *control)
1137 {
1138         struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
1139         __le32 *txd = skbdesc->desc;
1140         u32 word;
1141
1142         /*
1143          * Start writing the descriptor words.
1144          */
1145         rt2x00_desc_read(txd, 2, &word);
1146         rt2x00_set_field32(&word, TXD_W2_IV_OFFSET, IEEE80211_HEADER);
1147         rt2x00_set_field32(&word, TXD_W2_AIFS, txdesc->aifs);
1148         rt2x00_set_field32(&word, TXD_W2_CWMIN, txdesc->cw_min);
1149         rt2x00_set_field32(&word, TXD_W2_CWMAX, txdesc->cw_max);
1150         rt2x00_desc_write(txd, 2, word);
1151
1152         rt2x00_desc_read(txd, 3, &word);
1153         rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL, txdesc->signal);
1154         rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE, txdesc->service);
1155         rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_LOW, txdesc->length_low);
1156         rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_HIGH, txdesc->length_high);
1157         rt2x00_desc_write(txd, 3, word);
1158
1159         rt2x00_desc_read(txd, 10, &word);
1160         rt2x00_set_field32(&word, TXD_W10_RTS,
1161                            test_bit(ENTRY_TXD_RTS_FRAME, &txdesc->flags));
1162         rt2x00_desc_write(txd, 10, word);
1163
1164         rt2x00_desc_read(txd, 0, &word);
1165         rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1);
1166         rt2x00_set_field32(&word, TXD_W0_VALID, 1);
1167         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1168                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1169         rt2x00_set_field32(&word, TXD_W0_ACK,
1170                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1171         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1172                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1173         rt2x00_set_field32(&word, TXD_W0_OFDM,
1174                            test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags));
1175         rt2x00_set_field32(&word, TXD_W0_CIPHER_OWNER, 1);
1176         rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1177         rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
1178                            !!(control->flags &
1179                               IEEE80211_TXCTL_LONG_RETRY_LIMIT));
1180         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len);
1181         rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE);
1182         rt2x00_desc_write(txd, 0, word);
1183 }
1184
1185 /*
1186  * TX data initialization
1187  */
1188 static void rt2500pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1189                                     const unsigned int queue)
1190 {
1191         u32 reg;
1192
1193         if (queue == RT2X00_BCN_QUEUE_BEACON) {
1194                 rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
1195                 if (!rt2x00_get_field32(reg, CSR14_BEACON_GEN)) {
1196                         rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 1);
1197                         rt2x00pci_register_write(rt2x00dev, CSR14, reg);
1198                 }
1199                 return;
1200         }
1201
1202         rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
1203         rt2x00_set_field32(&reg, TXCSR0_KICK_PRIO,
1204                            (queue == IEEE80211_TX_QUEUE_DATA0));
1205         rt2x00_set_field32(&reg, TXCSR0_KICK_TX,
1206                            (queue == IEEE80211_TX_QUEUE_DATA1));
1207         rt2x00_set_field32(&reg, TXCSR0_KICK_ATIM,
1208                            (queue == RT2X00_BCN_QUEUE_ATIM));
1209         rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
1210 }
1211
1212 /*
1213  * RX control handlers
1214  */
1215 static void rt2500pci_fill_rxdone(struct queue_entry *entry,
1216                                   struct rxdone_entry_desc *rxdesc)
1217 {
1218         struct queue_entry_priv_pci_rx *priv_rx = entry->priv_data;
1219         u32 word0;
1220         u32 word2;
1221
1222         rt2x00_desc_read(priv_rx->desc, 0, &word0);
1223         rt2x00_desc_read(priv_rx->desc, 2, &word2);
1224
1225         rxdesc->flags = 0;
1226         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1227                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1228         if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
1229                 rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
1230
1231         rxdesc->signal = rt2x00_get_field32(word2, RXD_W2_SIGNAL);
1232         rxdesc->rssi = rt2x00_get_field32(word2, RXD_W2_RSSI) -
1233             entry->queue->rt2x00dev->rssi_offset;
1234         rxdesc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM);
1235         rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1236         rxdesc->my_bss = !!rt2x00_get_field32(word0, RXD_W0_MY_BSS);
1237 }
1238
1239 /*
1240  * Interrupt functions.
1241  */
1242 static void rt2500pci_txdone(struct rt2x00_dev *rt2x00dev,
1243                              const enum ieee80211_tx_queue queue_idx)
1244 {
1245         struct data_queue *queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
1246         struct queue_entry_priv_pci_tx *priv_tx;
1247         struct queue_entry *entry;
1248         struct txdone_entry_desc txdesc;
1249         u32 word;
1250
1251         while (!rt2x00queue_empty(queue)) {
1252                 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
1253                 priv_tx = entry->priv_data;
1254                 rt2x00_desc_read(priv_tx->desc, 0, &word);
1255
1256                 if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
1257                     !rt2x00_get_field32(word, TXD_W0_VALID))
1258                         break;
1259
1260                 /*
1261                  * Obtain the status about this packet.
1262                  */
1263                 txdesc.status = rt2x00_get_field32(word, TXD_W0_RESULT);
1264                 txdesc.retry = rt2x00_get_field32(word, TXD_W0_RETRY_COUNT);
1265
1266                 rt2x00pci_txdone(rt2x00dev, entry, &txdesc);
1267         }
1268 }
1269
1270 static irqreturn_t rt2500pci_interrupt(int irq, void *dev_instance)
1271 {
1272         struct rt2x00_dev *rt2x00dev = dev_instance;
1273         u32 reg;
1274
1275         /*
1276          * Get the interrupt sources & saved to local variable.
1277          * Write register value back to clear pending interrupts.
1278          */
1279         rt2x00pci_register_read(rt2x00dev, CSR7, &reg);
1280         rt2x00pci_register_write(rt2x00dev, CSR7, reg);
1281
1282         if (!reg)
1283                 return IRQ_NONE;
1284
1285         if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
1286                 return IRQ_HANDLED;
1287
1288         /*
1289          * Handle interrupts, walk through all bits
1290          * and run the tasks, the bits are checked in order of
1291          * priority.
1292          */
1293
1294         /*
1295          * 1 - Beacon timer expired interrupt.
1296          */
1297         if (rt2x00_get_field32(reg, CSR7_TBCN_EXPIRE))
1298                 rt2x00lib_beacondone(rt2x00dev);
1299
1300         /*
1301          * 2 - Rx ring done interrupt.
1302          */
1303         if (rt2x00_get_field32(reg, CSR7_RXDONE))
1304                 rt2x00pci_rxdone(rt2x00dev);
1305
1306         /*
1307          * 3 - Atim ring transmit done interrupt.
1308          */
1309         if (rt2x00_get_field32(reg, CSR7_TXDONE_ATIMRING))
1310                 rt2500pci_txdone(rt2x00dev, RT2X00_BCN_QUEUE_ATIM);
1311
1312         /*
1313          * 4 - Priority ring transmit done interrupt.
1314          */
1315         if (rt2x00_get_field32(reg, CSR7_TXDONE_PRIORING))
1316                 rt2500pci_txdone(rt2x00dev, IEEE80211_TX_QUEUE_DATA0);
1317
1318         /*
1319          * 5 - Tx ring transmit done interrupt.
1320          */
1321         if (rt2x00_get_field32(reg, CSR7_TXDONE_TXRING))
1322                 rt2500pci_txdone(rt2x00dev, IEEE80211_TX_QUEUE_DATA1);
1323
1324         return IRQ_HANDLED;
1325 }
1326
1327 /*
1328  * Device probe functions.
1329  */
1330 static int rt2500pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1331 {
1332         struct eeprom_93cx6 eeprom;
1333         u32 reg;
1334         u16 word;
1335         u8 *mac;
1336
1337         rt2x00pci_register_read(rt2x00dev, CSR21, &reg);
1338
1339         eeprom.data = rt2x00dev;
1340         eeprom.register_read = rt2500pci_eepromregister_read;
1341         eeprom.register_write = rt2500pci_eepromregister_write;
1342         eeprom.width = rt2x00_get_field32(reg, CSR21_TYPE_93C46) ?
1343             PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66;
1344         eeprom.reg_data_in = 0;
1345         eeprom.reg_data_out = 0;
1346         eeprom.reg_data_clock = 0;
1347         eeprom.reg_chip_select = 0;
1348
1349         eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
1350                                EEPROM_SIZE / sizeof(u16));
1351
1352         /*
1353          * Start validation of the data that has been read.
1354          */
1355         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1356         if (!is_valid_ether_addr(mac)) {
1357                 DECLARE_MAC_BUF(macbuf);
1358
1359                 random_ether_addr(mac);
1360                 EEPROM(rt2x00dev, "MAC: %s\n",
1361                        print_mac(macbuf, mac));
1362         }
1363
1364         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1365         if (word == 0xffff) {
1366                 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1367                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
1368                                    ANTENNA_SW_DIVERSITY);
1369                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
1370                                    ANTENNA_SW_DIVERSITY);
1371                 rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE,
1372                                    LED_MODE_DEFAULT);
1373                 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1374                 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1375                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522);
1376                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1377                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1378         }
1379
1380         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1381         if (word == 0xffff) {
1382                 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1383                 rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0);
1384                 rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0);
1385                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1386                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1387         }
1388
1389         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word);
1390         if (word == 0xffff) {
1391                 rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI,
1392                                    DEFAULT_RSSI_OFFSET);
1393                 rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word);
1394                 EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word);
1395         }
1396
1397         return 0;
1398 }
1399
1400 static int rt2500pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
1401 {
1402         u32 reg;
1403         u16 value;
1404         u16 eeprom;
1405
1406         /*
1407          * Read EEPROM word for configuration.
1408          */
1409         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1410
1411         /*
1412          * Identify RF chipset.
1413          */
1414         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1415         rt2x00pci_register_read(rt2x00dev, CSR0, &reg);
1416         rt2x00_set_chip(rt2x00dev, RT2560, value, reg);
1417
1418         if (!rt2x00_rf(&rt2x00dev->chip, RF2522) &&
1419             !rt2x00_rf(&rt2x00dev->chip, RF2523) &&
1420             !rt2x00_rf(&rt2x00dev->chip, RF2524) &&
1421             !rt2x00_rf(&rt2x00dev->chip, RF2525) &&
1422             !rt2x00_rf(&rt2x00dev->chip, RF2525E) &&
1423             !rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1424                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1425                 return -ENODEV;
1426         }
1427
1428         /*
1429          * Identify default antenna configuration.
1430          */
1431         rt2x00dev->default_ant.tx =
1432             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1433         rt2x00dev->default_ant.rx =
1434             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1435
1436         /*
1437          * Store led mode, for correct led behaviour.
1438          */
1439 #ifdef CONFIG_RT2500PCI_LEDS
1440         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
1441
1442         switch (value) {
1443         case LED_MODE_ASUS:
1444         case LED_MODE_ALPHA:
1445         case LED_MODE_DEFAULT:
1446                 rt2x00dev->led_flags = LED_SUPPORT_RADIO;
1447                 break;
1448         case LED_MODE_TXRX_ACTIVITY:
1449                 rt2x00dev->led_flags =
1450                     LED_SUPPORT_RADIO | LED_SUPPORT_ACTIVITY;
1451                 break;
1452         case LED_MODE_SIGNAL_STRENGTH:
1453                 rt2x00dev->led_flags = LED_SUPPORT_RADIO;
1454                 break;
1455         }
1456 #endif /* CONFIG_RT2500PCI_LEDS */
1457
1458         /*
1459          * Detect if this device has an hardware controlled radio.
1460          */
1461 #ifdef CONFIG_RT2500PCI_RFKILL
1462         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
1463                 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
1464 #endif /* CONFIG_RT2500PCI_RFKILL */
1465
1466         /*
1467          * Check if the BBP tuning should be enabled.
1468          */
1469         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1470
1471         if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE))
1472                 __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
1473
1474         /*
1475          * Read the RSSI <-> dBm offset information.
1476          */
1477         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom);
1478         rt2x00dev->rssi_offset =
1479             rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI);
1480
1481         return 0;
1482 }
1483
1484 /*
1485  * RF value list for RF2522
1486  * Supports: 2.4 GHz
1487  */
1488 static const struct rf_channel rf_vals_bg_2522[] = {
1489         { 1,  0x00002050, 0x000c1fda, 0x00000101, 0 },
1490         { 2,  0x00002050, 0x000c1fee, 0x00000101, 0 },
1491         { 3,  0x00002050, 0x000c2002, 0x00000101, 0 },
1492         { 4,  0x00002050, 0x000c2016, 0x00000101, 0 },
1493         { 5,  0x00002050, 0x000c202a, 0x00000101, 0 },
1494         { 6,  0x00002050, 0x000c203e, 0x00000101, 0 },
1495         { 7,  0x00002050, 0x000c2052, 0x00000101, 0 },
1496         { 8,  0x00002050, 0x000c2066, 0x00000101, 0 },
1497         { 9,  0x00002050, 0x000c207a, 0x00000101, 0 },
1498         { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
1499         { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
1500         { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
1501         { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
1502         { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
1503 };
1504
1505 /*
1506  * RF value list for RF2523
1507  * Supports: 2.4 GHz
1508  */
1509 static const struct rf_channel rf_vals_bg_2523[] = {
1510         { 1,  0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
1511         { 2,  0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
1512         { 3,  0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
1513         { 4,  0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
1514         { 5,  0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
1515         { 6,  0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
1516         { 7,  0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
1517         { 8,  0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
1518         { 9,  0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
1519         { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
1520         { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
1521         { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
1522         { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
1523         { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
1524 };
1525
1526 /*
1527  * RF value list for RF2524
1528  * Supports: 2.4 GHz
1529  */
1530 static const struct rf_channel rf_vals_bg_2524[] = {
1531         { 1,  0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
1532         { 2,  0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
1533         { 3,  0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
1534         { 4,  0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
1535         { 5,  0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
1536         { 6,  0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
1537         { 7,  0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
1538         { 8,  0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
1539         { 9,  0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
1540         { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
1541         { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
1542         { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
1543         { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
1544         { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
1545 };
1546
1547 /*
1548  * RF value list for RF2525
1549  * Supports: 2.4 GHz
1550  */
1551 static const struct rf_channel rf_vals_bg_2525[] = {
1552         { 1,  0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
1553         { 2,  0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
1554         { 3,  0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
1555         { 4,  0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
1556         { 5,  0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
1557         { 6,  0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
1558         { 7,  0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
1559         { 8,  0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
1560         { 9,  0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
1561         { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
1562         { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
1563         { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
1564         { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
1565         { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
1566 };
1567
1568 /*
1569  * RF value list for RF2525e
1570  * Supports: 2.4 GHz
1571  */
1572 static const struct rf_channel rf_vals_bg_2525e[] = {
1573         { 1,  0x00022020, 0x00081136, 0x00060111, 0x00000a0b },
1574         { 2,  0x00022020, 0x0008113a, 0x00060111, 0x00000a0b },
1575         { 3,  0x00022020, 0x0008113e, 0x00060111, 0x00000a0b },
1576         { 4,  0x00022020, 0x00081182, 0x00060111, 0x00000a0b },
1577         { 5,  0x00022020, 0x00081186, 0x00060111, 0x00000a0b },
1578         { 6,  0x00022020, 0x0008118a, 0x00060111, 0x00000a0b },
1579         { 7,  0x00022020, 0x0008118e, 0x00060111, 0x00000a0b },
1580         { 8,  0x00022020, 0x00081192, 0x00060111, 0x00000a0b },
1581         { 9,  0x00022020, 0x00081196, 0x00060111, 0x00000a0b },
1582         { 10, 0x00022020, 0x0008119a, 0x00060111, 0x00000a0b },
1583         { 11, 0x00022020, 0x0008119e, 0x00060111, 0x00000a0b },
1584         { 12, 0x00022020, 0x000811a2, 0x00060111, 0x00000a0b },
1585         { 13, 0x00022020, 0x000811a6, 0x00060111, 0x00000a0b },
1586         { 14, 0x00022020, 0x000811ae, 0x00060111, 0x00000a1b },
1587 };
1588
1589 /*
1590  * RF value list for RF5222
1591  * Supports: 2.4 GHz & 5.2 GHz
1592  */
1593 static const struct rf_channel rf_vals_5222[] = {
1594         { 1,  0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
1595         { 2,  0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
1596         { 3,  0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
1597         { 4,  0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
1598         { 5,  0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
1599         { 6,  0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
1600         { 7,  0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
1601         { 8,  0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
1602         { 9,  0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
1603         { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
1604         { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
1605         { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
1606         { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
1607         { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
1608
1609         /* 802.11 UNI / HyperLan 2 */
1610         { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
1611         { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
1612         { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
1613         { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
1614         { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
1615         { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
1616         { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
1617         { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
1618
1619         /* 802.11 HyperLan 2 */
1620         { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
1621         { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
1622         { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
1623         { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
1624         { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
1625         { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
1626         { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
1627         { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
1628         { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
1629         { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
1630
1631         /* 802.11 UNII */
1632         { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
1633         { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
1634         { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
1635         { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
1636         { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
1637 };
1638
1639 static void rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
1640 {
1641         struct hw_mode_spec *spec = &rt2x00dev->spec;
1642         u8 *txpower;
1643         unsigned int i;
1644
1645         /*
1646          * Initialize all hw fields.
1647          */
1648         rt2x00dev->hw->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
1649         rt2x00dev->hw->extra_tx_headroom = 0;
1650         rt2x00dev->hw->max_signal = MAX_SIGNAL;
1651         rt2x00dev->hw->max_rssi = MAX_RX_SSI;
1652         rt2x00dev->hw->queues = 2;
1653
1654         SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_pci(rt2x00dev)->dev);
1655         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1656                                 rt2x00_eeprom_addr(rt2x00dev,
1657                                                    EEPROM_MAC_ADDR_0));
1658
1659         /*
1660          * Convert tx_power array in eeprom.
1661          */
1662         txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
1663         for (i = 0; i < 14; i++)
1664                 txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
1665
1666         /*
1667          * Initialize hw_mode information.
1668          */
1669         spec->supported_bands = SUPPORT_BAND_2GHZ;
1670         spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
1671         spec->tx_power_a = NULL;
1672         spec->tx_power_bg = txpower;
1673         spec->tx_power_default = DEFAULT_TXPOWER;
1674
1675         if (rt2x00_rf(&rt2x00dev->chip, RF2522)) {
1676                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
1677                 spec->channels = rf_vals_bg_2522;
1678         } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) {
1679                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
1680                 spec->channels = rf_vals_bg_2523;
1681         } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) {
1682                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
1683                 spec->channels = rf_vals_bg_2524;
1684         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
1685                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
1686                 spec->channels = rf_vals_bg_2525;
1687         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
1688                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
1689                 spec->channels = rf_vals_bg_2525e;
1690         } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1691                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
1692                 spec->num_channels = ARRAY_SIZE(rf_vals_5222);
1693                 spec->channels = rf_vals_5222;
1694         }
1695 }
1696
1697 static int rt2500pci_probe_hw(struct rt2x00_dev *rt2x00dev)
1698 {
1699         int retval;
1700
1701         /*
1702          * Allocate eeprom data.
1703          */
1704         retval = rt2500pci_validate_eeprom(rt2x00dev);
1705         if (retval)
1706                 return retval;
1707
1708         retval = rt2500pci_init_eeprom(rt2x00dev);
1709         if (retval)
1710                 return retval;
1711
1712         /*
1713          * Initialize hw specifications.
1714          */
1715         rt2500pci_probe_hw_mode(rt2x00dev);
1716
1717         /*
1718          * This device requires the atim queue
1719          */
1720         __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
1721
1722         /*
1723          * Set the rssi offset.
1724          */
1725         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1726
1727         return 0;
1728 }
1729
1730 /*
1731  * IEEE80211 stack callback functions.
1732  */
1733 static void rt2500pci_configure_filter(struct ieee80211_hw *hw,
1734                                        unsigned int changed_flags,
1735                                        unsigned int *total_flags,
1736                                        int mc_count,
1737                                        struct dev_addr_list *mc_list)
1738 {
1739         struct rt2x00_dev *rt2x00dev = hw->priv;
1740         u32 reg;
1741
1742         /*
1743          * Mask off any flags we are going to ignore from
1744          * the total_flags field.
1745          */
1746         *total_flags &=
1747             FIF_ALLMULTI |
1748             FIF_FCSFAIL |
1749             FIF_PLCPFAIL |
1750             FIF_CONTROL |
1751             FIF_OTHER_BSS |
1752             FIF_PROMISC_IN_BSS;
1753
1754         /*
1755          * Apply some rules to the filters:
1756          * - Some filters imply different filters to be set.
1757          * - Some things we can't filter out at all.
1758          */
1759         if (mc_count)
1760                 *total_flags |= FIF_ALLMULTI;
1761         if (*total_flags & FIF_OTHER_BSS ||
1762             *total_flags & FIF_PROMISC_IN_BSS)
1763                 *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS;
1764
1765         /*
1766          * Check if there is any work left for us.
1767          */
1768         if (rt2x00dev->packet_filter == *total_flags)
1769                 return;
1770         rt2x00dev->packet_filter = *total_flags;
1771
1772         /*
1773          * Start configuration steps.
1774          * Note that the version error will always be dropped
1775          * and broadcast frames will always be accepted since
1776          * there is no filter for it at this time.
1777          */
1778         rt2x00pci_register_read(rt2x00dev, RXCSR0, &reg);
1779         rt2x00_set_field32(&reg, RXCSR0_DROP_CRC,
1780                            !(*total_flags & FIF_FCSFAIL));
1781         rt2x00_set_field32(&reg, RXCSR0_DROP_PHYSICAL,
1782                            !(*total_flags & FIF_PLCPFAIL));
1783         rt2x00_set_field32(&reg, RXCSR0_DROP_CONTROL,
1784                            !(*total_flags & FIF_CONTROL));
1785         rt2x00_set_field32(&reg, RXCSR0_DROP_NOT_TO_ME,
1786                            !(*total_flags & FIF_PROMISC_IN_BSS));
1787         rt2x00_set_field32(&reg, RXCSR0_DROP_TODS,
1788                            !(*total_flags & FIF_PROMISC_IN_BSS));
1789         rt2x00_set_field32(&reg, RXCSR0_DROP_VERSION_ERROR, 1);
1790         rt2x00_set_field32(&reg, RXCSR0_DROP_MCAST,
1791                            !(*total_flags & FIF_ALLMULTI));
1792         rt2x00_set_field32(&reg, RXCSR0_DROP_BCAST, 0);
1793         rt2x00pci_register_write(rt2x00dev, RXCSR0, reg);
1794 }
1795
1796 static int rt2500pci_set_retry_limit(struct ieee80211_hw *hw,
1797                                      u32 short_retry, u32 long_retry)
1798 {
1799         struct rt2x00_dev *rt2x00dev = hw->priv;
1800         u32 reg;
1801
1802         rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
1803         rt2x00_set_field32(&reg, CSR11_LONG_RETRY, long_retry);
1804         rt2x00_set_field32(&reg, CSR11_SHORT_RETRY, short_retry);
1805         rt2x00pci_register_write(rt2x00dev, CSR11, reg);
1806
1807         return 0;
1808 }
1809
1810 static u64 rt2500pci_get_tsf(struct ieee80211_hw *hw)
1811 {
1812         struct rt2x00_dev *rt2x00dev = hw->priv;
1813         u64 tsf;
1814         u32 reg;
1815
1816         rt2x00pci_register_read(rt2x00dev, CSR17, &reg);
1817         tsf = (u64) rt2x00_get_field32(reg, CSR17_HIGH_TSFTIMER) << 32;
1818         rt2x00pci_register_read(rt2x00dev, CSR16, &reg);
1819         tsf |= rt2x00_get_field32(reg, CSR16_LOW_TSFTIMER);
1820
1821         return tsf;
1822 }
1823
1824 static int rt2500pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
1825                                    struct ieee80211_tx_control *control)
1826 {
1827         struct rt2x00_dev *rt2x00dev = hw->priv;
1828         struct rt2x00_intf *intf = vif_to_intf(control->vif);
1829         struct queue_entry_priv_pci_tx *priv_tx;
1830         struct skb_frame_desc *skbdesc;
1831
1832         if (unlikely(!intf->beacon))
1833                 return -ENOBUFS;
1834
1835         priv_tx = intf->beacon->priv_data;
1836
1837         /*
1838          * Fill in skb descriptor
1839          */
1840         skbdesc = get_skb_frame_desc(skb);
1841         memset(skbdesc, 0, sizeof(*skbdesc));
1842         skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED;
1843         skbdesc->data = skb->data;
1844         skbdesc->data_len = skb->len;
1845         skbdesc->desc = priv_tx->desc;
1846         skbdesc->desc_len = intf->beacon->queue->desc_size;
1847         skbdesc->entry = intf->beacon;
1848
1849         /*
1850          * mac80211 doesn't provide the control->queue variable
1851          * for beacons. Set our own queue identification so
1852          * it can be used during descriptor initialization.
1853          */
1854         control->queue = RT2X00_BCN_QUEUE_BEACON;
1855         rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
1856
1857         /*
1858          * Enable beacon generation.
1859          * Write entire beacon with descriptor to register,
1860          * and kick the beacon generator.
1861          */
1862         memcpy(priv_tx->data, skb->data, skb->len);
1863         rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, control->queue);
1864
1865         return 0;
1866 }
1867
1868 static int rt2500pci_tx_last_beacon(struct ieee80211_hw *hw)
1869 {
1870         struct rt2x00_dev *rt2x00dev = hw->priv;
1871         u32 reg;
1872
1873         rt2x00pci_register_read(rt2x00dev, CSR15, &reg);
1874         return rt2x00_get_field32(reg, CSR15_BEACON_SENT);
1875 }
1876
1877 static const struct ieee80211_ops rt2500pci_mac80211_ops = {
1878         .tx                     = rt2x00mac_tx,
1879         .start                  = rt2x00mac_start,
1880         .stop                   = rt2x00mac_stop,
1881         .add_interface          = rt2x00mac_add_interface,
1882         .remove_interface       = rt2x00mac_remove_interface,
1883         .config                 = rt2x00mac_config,
1884         .config_interface       = rt2x00mac_config_interface,
1885         .configure_filter       = rt2500pci_configure_filter,
1886         .get_stats              = rt2x00mac_get_stats,
1887         .set_retry_limit        = rt2500pci_set_retry_limit,
1888         .bss_info_changed       = rt2x00mac_bss_info_changed,
1889         .conf_tx                = rt2x00mac_conf_tx,
1890         .get_tx_stats           = rt2x00mac_get_tx_stats,
1891         .get_tsf                = rt2500pci_get_tsf,
1892         .beacon_update          = rt2500pci_beacon_update,
1893         .tx_last_beacon         = rt2500pci_tx_last_beacon,
1894 };
1895
1896 static const struct rt2x00lib_ops rt2500pci_rt2x00_ops = {
1897         .irq_handler            = rt2500pci_interrupt,
1898         .probe_hw               = rt2500pci_probe_hw,
1899         .initialize             = rt2x00pci_initialize,
1900         .uninitialize           = rt2x00pci_uninitialize,
1901         .init_rxentry           = rt2500pci_init_rxentry,
1902         .init_txentry           = rt2500pci_init_txentry,
1903         .set_device_state       = rt2500pci_set_device_state,
1904         .rfkill_poll            = rt2500pci_rfkill_poll,
1905         .link_stats             = rt2500pci_link_stats,
1906         .reset_tuner            = rt2500pci_reset_tuner,
1907         .link_tuner             = rt2500pci_link_tuner,
1908         .led_brightness         = rt2500pci_led_brightness,
1909         .write_tx_desc          = rt2500pci_write_tx_desc,
1910         .write_tx_data          = rt2x00pci_write_tx_data,
1911         .kick_tx_queue          = rt2500pci_kick_tx_queue,
1912         .fill_rxdone            = rt2500pci_fill_rxdone,
1913         .config_intf            = rt2500pci_config_intf,
1914         .config_preamble        = rt2500pci_config_preamble,
1915         .config                 = rt2500pci_config,
1916 };
1917
1918 static const struct data_queue_desc rt2500pci_queue_rx = {
1919         .entry_num              = RX_ENTRIES,
1920         .data_size              = DATA_FRAME_SIZE,
1921         .desc_size              = RXD_DESC_SIZE,
1922         .priv_size              = sizeof(struct queue_entry_priv_pci_rx),
1923 };
1924
1925 static const struct data_queue_desc rt2500pci_queue_tx = {
1926         .entry_num              = TX_ENTRIES,
1927         .data_size              = DATA_FRAME_SIZE,
1928         .desc_size              = TXD_DESC_SIZE,
1929         .priv_size              = sizeof(struct queue_entry_priv_pci_tx),
1930 };
1931
1932 static const struct data_queue_desc rt2500pci_queue_bcn = {
1933         .entry_num              = BEACON_ENTRIES,
1934         .data_size              = MGMT_FRAME_SIZE,
1935         .desc_size              = TXD_DESC_SIZE,
1936         .priv_size              = sizeof(struct queue_entry_priv_pci_tx),
1937 };
1938
1939 static const struct data_queue_desc rt2500pci_queue_atim = {
1940         .entry_num              = ATIM_ENTRIES,
1941         .data_size              = DATA_FRAME_SIZE,
1942         .desc_size              = TXD_DESC_SIZE,
1943         .priv_size              = sizeof(struct queue_entry_priv_pci_tx),
1944 };
1945
1946 static const struct rt2x00_ops rt2500pci_ops = {
1947         .name           = KBUILD_MODNAME,
1948         .max_sta_intf   = 1,
1949         .max_ap_intf    = 1,
1950         .eeprom_size    = EEPROM_SIZE,
1951         .rf_size        = RF_SIZE,
1952         .rx             = &rt2500pci_queue_rx,
1953         .tx             = &rt2500pci_queue_tx,
1954         .bcn            = &rt2500pci_queue_bcn,
1955         .atim           = &rt2500pci_queue_atim,
1956         .lib            = &rt2500pci_rt2x00_ops,
1957         .hw             = &rt2500pci_mac80211_ops,
1958 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1959         .debugfs        = &rt2500pci_rt2x00debug,
1960 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1961 };
1962
1963 /*
1964  * RT2500pci module information.
1965  */
1966 static struct pci_device_id rt2500pci_device_table[] = {
1967         { PCI_DEVICE(0x1814, 0x0201), PCI_DEVICE_DATA(&rt2500pci_ops) },
1968         { 0, }
1969 };
1970
1971 MODULE_AUTHOR(DRV_PROJECT);
1972 MODULE_VERSION(DRV_VERSION);
1973 MODULE_DESCRIPTION("Ralink RT2500 PCI & PCMCIA Wireless LAN driver.");
1974 MODULE_SUPPORTED_DEVICE("Ralink RT2560 PCI & PCMCIA chipset based cards");
1975 MODULE_DEVICE_TABLE(pci, rt2500pci_device_table);
1976 MODULE_LICENSE("GPL");
1977
1978 static struct pci_driver rt2500pci_driver = {
1979         .name           = KBUILD_MODNAME,
1980         .id_table       = rt2500pci_device_table,
1981         .probe          = rt2x00pci_probe,
1982         .remove         = __devexit_p(rt2x00pci_remove),
1983         .suspend        = rt2x00pci_suspend,
1984         .resume         = rt2x00pci_resume,
1985 };
1986
1987 static int __init rt2500pci_init(void)
1988 {
1989         return pci_register_driver(&rt2500pci_driver);
1990 }
1991
1992 static void __exit rt2500pci_exit(void)
1993 {
1994         pci_unregister_driver(&rt2500pci_driver);
1995 }
1996
1997 module_init(rt2500pci_init);
1998 module_exit(rt2500pci_exit);