drivers/net/wireless/rt2x00/rt2500pci.c

   1 /*
   2         Copyright (C) 2004 - 2007 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 /*
  28  * Set enviroment defines for rt2x00.h
  29  */
  30 #define DRV_NAME "rt2500pci"
  31
  32 #include <linux/delay.h>
  33 #include <linux/etherdevice.h>
  34 #include <linux/init.h>
  35 #include <linux/kernel.h>
  36 #include <linux/module.h>
  37 #include <linux/pci.h>
  38 #include <linux/eeprom_93cx6.h>
  39
  40 #include "rt2x00.h"
  41 #include "rt2x00pci.h"
  42 #include "rt2500pci.h"
  43
  44 /*
  45  * Register access.
  46  * All access to the CSR registers will go through the methods
  47  * rt2x00pci_register_read and rt2x00pci_register_write.
  48  * BBP and RF register require indirect register access,
  49  * and use the CSR registers BBPCSR and RFCSR to achieve this.
  50  * These indirect registers work with busy bits,
  51  * and we will try maximal REGISTER_BUSY_COUNT times to access
  52  * the register while taking a REGISTER_BUSY_DELAY us delay
  53  * between each attampt. When the busy bit is still set at that time,
  54  * the access attempt is considered to have failed,
  55  * and we will print an error.
  56  */
  57 static u32 rt2500pci_bbp_check(const struct rt2x00_dev *rt2x00dev)
  58 {
  59         u32 reg;
  60         unsigned int i;
  61
  62         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
  63                 rt2x00pci_register_read(rt2x00dev, BBPCSR, &reg);
  64                 if (!rt2x00_get_field32(reg, BBPCSR_BUSY))
  65                         break;
  66                 udelay(REGISTER_BUSY_DELAY);
  67         }
  68
  69         return reg;
  70 }
  71
  72 static void rt2500pci_bbp_write(const struct rt2x00_dev *rt2x00dev,
  73                                 const unsigned int word, const u8 value)
  74 {
  75         u32 reg;
  76
  77         /*
  78          * Wait until the BBP becomes ready.
  79          */
  80         reg = rt2500pci_bbp_check(rt2x00dev);
  81         if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
  82                 ERROR(rt2x00dev, "BBPCSR register busy. Write failed.\n");
  83                 return;
  84         }
  85
  86         /*
  87          * Write the data into the BBP.
  88          */
  89         reg = 0;
  90         rt2x00_set_field32(&reg, BBPCSR_VALUE, value);
  91         rt2x00_set_field32(&reg, BBPCSR_REGNUM, word);
  92         rt2x00_set_field32(&reg, BBPCSR_BUSY, 1);
  93         rt2x00_set_field32(&reg, BBPCSR_WRITE_CONTROL, 1);
  94
  95         rt2x00pci_register_write(rt2x00dev, BBPCSR, reg);
  96 }
  97
  98 static void rt2500pci_bbp_read(const struct rt2x00_dev *rt2x00dev,
  99                                const unsigned int word, u8 *value)
 100 {
 101         u32 reg;
 102
 103         /*
 104          * Wait until the BBP becomes ready.
 105          */
 106         reg = rt2500pci_bbp_check(rt2x00dev);
 107         if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
 108                 ERROR(rt2x00dev, "BBPCSR register busy. Read failed.\n");
 109                 return;
 110         }
 111
 112         /*
 113          * Write the request into the BBP.
 114          */
 115         reg = 0;
 116         rt2x00_set_field32(&reg, BBPCSR_REGNUM, word);
 117         rt2x00_set_field32(&reg, BBPCSR_BUSY, 1);
 118         rt2x00_set_field32(&reg, BBPCSR_WRITE_CONTROL, 0);
 119
 120         rt2x00pci_register_write(rt2x00dev, BBPCSR, reg);
 121
 122         /*
 123          * Wait until the BBP becomes ready.
 124          */
 125         reg = rt2500pci_bbp_check(rt2x00dev);
 126         if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
 127                 ERROR(rt2x00dev, "BBPCSR register busy. Read failed.\n");
 128                 *value = 0xff;
 129                 return;
 130         }
 131
 132         *value = rt2x00_get_field32(reg, BBPCSR_VALUE);
 133 }
 134
 135 static void rt2500pci_rf_write(const struct rt2x00_dev *rt2x00dev,
 136                                const unsigned int word, const u32 value)
 137 {
 138         u32 reg;
 139         unsigned int i;
 140
 141         if (!word)
 142                 return;
 143
 144         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 145                 rt2x00pci_register_read(rt2x00dev, RFCSR, &reg);
 146                 if (!rt2x00_get_field32(reg, RFCSR_BUSY))
 147                         goto rf_write;
 148                 udelay(REGISTER_BUSY_DELAY);
 149         }
 150
 151         ERROR(rt2x00dev, "RFCSR register busy. Write failed.\n");
 152         return;
 153
 154 rf_write:
 155         reg = 0;
 156         rt2x00_set_field32(&reg, RFCSR_VALUE, value);
 157         rt2x00_set_field32(&reg, RFCSR_NUMBER_OF_BITS, 20);
 158         rt2x00_set_field32(&reg, RFCSR_IF_SELECT, 0);
 159         rt2x00_set_field32(&reg, RFCSR_BUSY, 1);
 160
 161         rt2x00pci_register_write(rt2x00dev, RFCSR, reg);
 162         rt2x00_rf_write(rt2x00dev, word, value);
 163 }
 164
 165 static void rt2500pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
 166 {
 167         struct rt2x00_dev *rt2x00dev = eeprom->data;
 168         u32 reg;
 169
 170         rt2x00pci_register_read(rt2x00dev, CSR21, &reg);
 171
 172         eeprom->reg_data_in = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_IN);
 173         eeprom->reg_data_out = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_OUT);
 174         eeprom->reg_data_clock =
 175             !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_CLOCK);
 176         eeprom->reg_chip_select =
 177             !!rt2x00_get_field32(reg, CSR21_EEPROM_CHIP_SELECT);
 178 }
 179
 180 static void rt2500pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
 181 {
 182         struct rt2x00_dev *rt2x00dev = eeprom->data;
 183         u32 reg = 0;
 184
 185         rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_IN, !!eeprom->reg_data_in);
 186         rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_OUT, !!eeprom->reg_data_out);
 187         rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_CLOCK,
 188                            !!eeprom->reg_data_clock);
 189         rt2x00_set_field32(&reg, CSR21_EEPROM_CHIP_SELECT,
 190                            !!eeprom->reg_chip_select);
 191
 192         rt2x00pci_register_write(rt2x00dev, CSR21, reg);
 193 }
 194
 195 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 196 #define CSR_OFFSET(__word)      ( CSR_REG_BASE + ((__word) * sizeof(u32)) )
 197
 198 static void rt2500pci_read_csr(const struct rt2x00_dev *rt2x00dev,
 199                                const unsigned int word, u32 *data)
 200 {
 201         rt2x00pci_register_read(rt2x00dev, CSR_OFFSET(word), data);
 202 }
 203
 204 static void rt2500pci_write_csr(const struct rt2x00_dev *rt2x00dev,
 205                                 const unsigned int word, u32 data)
 206 {
 207         rt2x00pci_register_write(rt2x00dev, CSR_OFFSET(word), data);
 208 }
 209
 210 static const struct rt2x00debug rt2500pci_rt2x00debug = {
 211         .owner  = THIS_MODULE,
 212         .csr    = {
 213                 .read           = rt2500pci_read_csr,
 214                 .write          = rt2500pci_write_csr,
 215                 .word_size      = sizeof(u32),
 216                 .word_count     = CSR_REG_SIZE / sizeof(u32),
 217         },
 218         .eeprom = {
 219                 .read           = rt2x00_eeprom_read,
 220                 .write          = rt2x00_eeprom_write,
 221                 .word_size      = sizeof(u16),
 222                 .word_count     = EEPROM_SIZE / sizeof(u16),
 223         },
 224         .bbp    = {
 225                 .read           = rt2500pci_bbp_read,
 226                 .write          = rt2500pci_bbp_write,
 227                 .word_size      = sizeof(u8),
 228                 .word_count     = BBP_SIZE / sizeof(u8),
 229         },
 230         .rf     = {
 231                 .read           = rt2x00_rf_read,
 232                 .write          = rt2500pci_rf_write,
 233                 .word_size      = sizeof(u32),
 234                 .word_count     = RF_SIZE / sizeof(u32),
 235         },
 236 };
 237 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
 238
 239 #ifdef CONFIG_RT2500PCI_RFKILL
 240 static int rt2500pci_rfkill_poll(struct rt2x00_dev *rt2x00dev)
 241 {
 242         u32 reg;
 243
 244         rt2x00pci_register_read(rt2x00dev, GPIOCSR, &reg);
 245         return rt2x00_get_field32(reg, GPIOCSR_BIT0);
 246 }
 247 #else
 248 #define rt2500pci_rfkill_poll   NULL
 249 #endif /* CONFIG_RT2500PCI_RFKILL */
 250
 251 /*
 252  * Configuration handlers.
 253  */
 254 static void rt2500pci_config_mac_addr(struct rt2x00_dev *rt2x00dev,
 255                                       __le32 *mac)
 256 {
 257         rt2x00pci_register_multiwrite(rt2x00dev, CSR3, mac,
 258                                       (2 * sizeof(__le32)));
 259 }
 260
 261 static void rt2500pci_config_bssid(struct rt2x00_dev *rt2x00dev,
 262                                    __le32 *bssid)
 263 {
 264         rt2x00pci_register_multiwrite(rt2x00dev, CSR5, bssid,
 265                                       (2 * sizeof(__le32)));
 266 }
 267
 268 static void rt2500pci_config_type(struct rt2x00_dev *rt2x00dev, const int type,
 269                                   const int tsf_sync)
 270 {
 271         u32 reg;
 272
 273         rt2x00pci_register_write(rt2x00dev, CSR14, 0);
 274
 275         /*
 276          * Enable beacon config
 277          */
 278         rt2x00pci_register_read(rt2x00dev, BCNCSR1, &reg);
 279         rt2x00_set_field32(&reg, BCNCSR1_PRELOAD,
 280                            PREAMBLE + get_duration(IEEE80211_HEADER, 20));
 281         rt2x00_set_field32(&reg, BCNCSR1_BEACON_CWMIN,
 282                            rt2x00lib_get_ring(rt2x00dev,
 283                                               IEEE80211_TX_QUEUE_BEACON)
 284                            ->tx_params.cw_min);
 285         rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
 286
 287         /*
 288          * Enable synchronisation.
 289          */
 290         rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
 291         rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 1);
 292         rt2x00_set_field32(&reg, CSR14_TBCN, 1);
 293         rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
 294         rt2x00_set_field32(&reg, CSR14_TSF_SYNC, tsf_sync);
 295         rt2x00pci_register_write(rt2x00dev, CSR14, reg);
 296 }
 297
 298 static void rt2500pci_config_preamble(struct rt2x00_dev *rt2x00dev,
 299                                       const int short_preamble,
 300                                       const int ack_timeout,
 301                                       const int ack_consume_time)
 302 {
 303         int preamble_mask;
 304         u32 reg;
 305
 306         /*
 307          * When short preamble is enabled, we should set bit 0x08
 308          */
 309         preamble_mask = short_preamble << 3;
 310
 311         rt2x00pci_register_read(rt2x00dev, TXCSR1, &reg);
 312         rt2x00_set_field32(&reg, TXCSR1_ACK_TIMEOUT, ack_timeout);
 313         rt2x00_set_field32(&reg, TXCSR1_ACK_CONSUME_TIME, ack_consume_time);
 314         rt2x00pci_register_write(rt2x00dev, TXCSR1, reg);
 315
 316         rt2x00pci_register_read(rt2x00dev, ARCSR2, &reg);
 317         rt2x00_set_field32(&reg, ARCSR2_SIGNAL, 0x00 | preamble_mask);
 318         rt2x00_set_field32(&reg, ARCSR2_SERVICE, 0x04);
 319         rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 10));
 320         rt2x00pci_register_write(rt2x00dev, ARCSR2, reg);
 321
 322         rt2x00pci_register_read(rt2x00dev, ARCSR3, &reg);
 323         rt2x00_set_field32(&reg, ARCSR3_SIGNAL, 0x01 | preamble_mask);
 324         rt2x00_set_field32(&reg, ARCSR3_SERVICE, 0x04);
 325         rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 20));
 326         rt2x00pci_register_write(rt2x00dev, ARCSR3, reg);
 327
 328         rt2x00pci_register_read(rt2x00dev, ARCSR4, &reg);
 329         rt2x00_set_field32(&reg, ARCSR4_SIGNAL, 0x02 | preamble_mask);
 330         rt2x00_set_field32(&reg, ARCSR4_SERVICE, 0x04);
 331         rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 55));
 332         rt2x00pci_register_write(rt2x00dev, ARCSR4, reg);
 333
 334         rt2x00pci_register_read(rt2x00dev, ARCSR5, &reg);
 335         rt2x00_set_field32(&reg, ARCSR5_SIGNAL, 0x03 | preamble_mask);
 336         rt2x00_set_field32(&reg, ARCSR5_SERVICE, 0x84);
 337         rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 110));
 338         rt2x00pci_register_write(rt2x00dev, ARCSR5, reg);
 339 }
 340
 341 static void rt2500pci_config_phymode(struct rt2x00_dev *rt2x00dev,
 342                                      const int basic_rate_mask)
 343 {
 344         rt2x00pci_register_write(rt2x00dev, ARCSR1, basic_rate_mask);
 345 }
 346
 347 static void rt2500pci_config_channel(struct rt2x00_dev *rt2x00dev,
 348                                      struct rf_channel *rf, const int txpower)
 349 {
 350         u8 r70;
 351
 352         /*
 353          * Set TXpower.
 354          */
 355         rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 356
 357         /*
 358          * Switch on tuning bits.
 359          * For RT2523 devices we do not need to update the R1 register.
 360          */
 361         if (!rt2x00_rf(&rt2x00dev->chip, RF2523))
 362                 rt2x00_set_field32(&rf->rf1, RF1_TUNER, 1);
 363         rt2x00_set_field32(&rf->rf3, RF3_TUNER, 1);
 364
 365         /*
 366          * For RT2525 we should first set the channel to half band higher.
 367          */
 368         if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
 369                 static const u32 vals[] = {
 370                         0x00080cbe, 0x00080d02, 0x00080d06, 0x00080d0a,
 371                         0x00080d0e, 0x00080d12, 0x00080d16, 0x00080d1a,
 372                         0x00080d1e, 0x00080d22, 0x00080d26, 0x00080d2a,
 373                         0x00080d2e, 0x00080d3a
 374                 };
 375
 376                 rt2500pci_rf_write(rt2x00dev, 1, rf->rf1);
 377                 rt2500pci_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
 378                 rt2500pci_rf_write(rt2x00dev, 3, rf->rf3);
 379                 if (rf->rf4)
 380                         rt2500pci_rf_write(rt2x00dev, 4, rf->rf4);
 381         }
 382
 383         rt2500pci_rf_write(rt2x00dev, 1, rf->rf1);
 384         rt2500pci_rf_write(rt2x00dev, 2, rf->rf2);
 385         rt2500pci_rf_write(rt2x00dev, 3, rf->rf3);
 386         if (rf->rf4)
 387                 rt2500pci_rf_write(rt2x00dev, 4, rf->rf4);
 388
 389         /*
 390          * Channel 14 requires the Japan filter bit to be set.
 391          */
 392         r70 = 0x46;
 393         rt2x00_set_field8(&r70, BBP_R70_JAPAN_FILTER, rf->channel == 14);
 394         rt2500pci_bbp_write(rt2x00dev, 70, r70);
 395
 396         msleep(1);
 397
 398         /*
 399          * Switch off tuning bits.
 400          * For RT2523 devices we do not need to update the R1 register.
 401          */
 402         if (!rt2x00_rf(&rt2x00dev->chip, RF2523)) {
 403                 rt2x00_set_field32(&rf->rf1, RF1_TUNER, 0);
 404                 rt2500pci_rf_write(rt2x00dev, 1, rf->rf1);
 405         }
 406
 407         rt2x00_set_field32(&rf->rf3, RF3_TUNER, 0);
 408         rt2500pci_rf_write(rt2x00dev, 3, rf->rf3);
 409
 410         /*
 411          * Clear false CRC during channel switch.
 412          */
 413         rt2x00pci_register_read(rt2x00dev, CNT0, &rf->rf1);
 414 }
 415
 416 static void rt2500pci_config_txpower(struct rt2x00_dev *rt2x00dev,
 417                                      const int txpower)
 418 {
 419         u32 rf3;
 420
 421         rt2x00_rf_read(rt2x00dev, 3, &rf3);
 422         rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
 423         rt2500pci_rf_write(rt2x00dev, 3, rf3);
 424 }
 425
 426 static void rt2500pci_config_antenna(struct rt2x00_dev *rt2x00dev,
 427                                      const int antenna_tx, const int antenna_rx)
 428 {
 429         u32 reg;
 430         u8 r14;
 431         u8 r2;
 432
 433         rt2x00pci_register_read(rt2x00dev, BBPCSR1, &reg);
 434         rt2500pci_bbp_read(rt2x00dev, 14, &r14);
 435         rt2500pci_bbp_read(rt2x00dev, 2, &r2);
 436
 437         /*
 438          * Configure the TX antenna.
 439          */
 440         switch (antenna_tx) {
 441         case ANTENNA_SW_DIVERSITY:
 442         case ANTENNA_HW_DIVERSITY:
 443                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
 444                 rt2x00_set_field32(&reg, BBPCSR1_CCK, 2);
 445                 rt2x00_set_field32(&reg, BBPCSR1_OFDM, 2);
 446                 break;
 447         case ANTENNA_A:
 448                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
 449                 rt2x00_set_field32(&reg, BBPCSR1_CCK, 0);
 450                 rt2x00_set_field32(&reg, BBPCSR1_OFDM, 0);
 451                 break;
 452         case ANTENNA_B:
 453                 rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
 454                 rt2x00_set_field32(&reg, BBPCSR1_CCK, 2);
 455                 rt2x00_set_field32(&reg, BBPCSR1_OFDM, 2);
 456                 break;
 457         }
 458
 459         /*
 460          * Configure the RX antenna.
 461          */
 462         switch (antenna_rx) {
 463         case ANTENNA_SW_DIVERSITY:
 464         case ANTENNA_HW_DIVERSITY:
 465                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
 466                 break;
 467         case ANTENNA_A:
 468                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
 469                 break;
 470         case ANTENNA_B:
 471                 rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
 472                 break;
 473         }
 474
 475         /*
 476          * RT2525E and RT5222 need to flip TX I/Q
 477          */
 478         if (rt2x00_rf(&rt2x00dev->chip, RF2525E) ||
 479             rt2x00_rf(&rt2x00dev->chip, RF5222)) {
 480                 rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
 481                 rt2x00_set_field32(&reg, BBPCSR1_CCK_FLIP, 1);
 482                 rt2x00_set_field32(&reg, BBPCSR1_OFDM_FLIP, 1);
 483
 484                 /*
 485                  * RT2525E does not need RX I/Q Flip.
 486                  */
 487                 if (rt2x00_rf(&rt2x00dev->chip, RF2525E))
 488                         rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
 489         } else {
 490                 rt2x00_set_field32(&reg, BBPCSR1_CCK_FLIP, 0);
 491                 rt2x00_set_field32(&reg, BBPCSR1_OFDM_FLIP, 0);
 492         }
 493
 494         rt2x00pci_register_write(rt2x00dev, BBPCSR1, reg);
 495         rt2500pci_bbp_write(rt2x00dev, 14, r14);
 496         rt2500pci_bbp_write(rt2x00dev, 2, r2);
 497 }
 498
 499 static void rt2500pci_config_duration(struct rt2x00_dev *rt2x00dev,
 500                                       struct rt2x00lib_conf *libconf)
 501 {
 502         u32 reg;
 503
 504         rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
 505         rt2x00_set_field32(&reg, CSR11_SLOT_TIME, libconf->slot_time);
 506         rt2x00pci_register_write(rt2x00dev, CSR11, reg);
 507
 508         rt2x00pci_register_read(rt2x00dev, CSR18, &reg);
 509         rt2x00_set_field32(&reg, CSR18_SIFS, libconf->sifs);
 510         rt2x00_set_field32(&reg, CSR18_PIFS, libconf->pifs);
 511         rt2x00pci_register_write(rt2x00dev, CSR18, reg);
 512
 513         rt2x00pci_register_read(rt2x00dev, CSR19, &reg);
 514         rt2x00_set_field32(&reg, CSR19_DIFS, libconf->difs);
 515         rt2x00_set_field32(&reg, CSR19_EIFS, libconf->eifs);
 516         rt2x00pci_register_write(rt2x00dev, CSR19, reg);
 517
 518         rt2x00pci_register_read(rt2x00dev, TXCSR1, &reg);
 519         rt2x00_set_field32(&reg, TXCSR1_TSF_OFFSET, IEEE80211_HEADER);
 520         rt2x00_set_field32(&reg, TXCSR1_AUTORESPONDER, 1);
 521         rt2x00pci_register_write(rt2x00dev, TXCSR1, reg);
 522
 523         rt2x00pci_register_read(rt2x00dev, CSR12, &reg);
 524         rt2x00_set_field32(&reg, CSR12_BEACON_INTERVAL,
 525                            libconf->conf->beacon_int * 16);
 526         rt2x00_set_field32(&reg, CSR12_CFP_MAX_DURATION,
 527                            libconf->conf->beacon_int * 16);
 528         rt2x00pci_register_write(rt2x00dev, CSR12, reg);
 529 }
 530
 531 static void rt2500pci_config(struct rt2x00_dev *rt2x00dev,
 532                              const unsigned int flags,
 533                              struct rt2x00lib_conf *libconf)
 534 {
 535         if (flags & CONFIG_UPDATE_PHYMODE)
 536                 rt2500pci_config_phymode(rt2x00dev, libconf->basic_rates);
 537         if (flags & CONFIG_UPDATE_CHANNEL)
 538                 rt2500pci_config_channel(rt2x00dev, &libconf->rf,
 539                                          libconf->conf->power_level);
 540         if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
 541                 rt2500pci_config_txpower(rt2x00dev,
 542                                          libconf->conf->power_level);
 543         if (flags & CONFIG_UPDATE_ANTENNA)
 544                 rt2500pci_config_antenna(rt2x00dev,
 545                                          libconf->conf->antenna_sel_tx,
 546                                          libconf->conf->antenna_sel_rx);
 547         if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
 548                 rt2500pci_config_duration(rt2x00dev, libconf);
 549 }
 550
 551 /*
 552  * LED functions.
 553  */
 554 static void rt2500pci_enable_led(struct rt2x00_dev *rt2x00dev)
 555 {
 556         u32 reg;
 557
 558         rt2x00pci_register_read(rt2x00dev, LEDCSR, &reg);
 559
 560         rt2x00_set_field32(&reg, LEDCSR_ON_PERIOD, 70);
 561         rt2x00_set_field32(&reg, LEDCSR_OFF_PERIOD, 30);
 562
 563         if (rt2x00dev->led_mode == LED_MODE_TXRX_ACTIVITY) {
 564                 rt2x00_set_field32(&reg, LEDCSR_LINK, 1);
 565                 rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 0);
 566         } else if (rt2x00dev->led_mode == LED_MODE_ASUS) {
 567                 rt2x00_set_field32(&reg, LEDCSR_LINK, 0);
 568                 rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 1);
 569         } else {
 570                 rt2x00_set_field32(&reg, LEDCSR_LINK, 1);
 571                 rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 1);
 572         }
 573
 574         rt2x00pci_register_write(rt2x00dev, LEDCSR, reg);
 575 }
 576
 577 static void rt2500pci_disable_led(struct rt2x00_dev *rt2x00dev)
 578 {
 579         u32 reg;
 580
 581         rt2x00pci_register_read(rt2x00dev, LEDCSR, &reg);
 582         rt2x00_set_field32(&reg, LEDCSR_LINK, 0);
 583         rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 0);
 584         rt2x00pci_register_write(rt2x00dev, LEDCSR, reg);
 585 }
 586
 587 /*
 588  * Link tuning
 589  */
 590 static void rt2500pci_link_stats(struct rt2x00_dev *rt2x00dev)
 591 {
 592         u32 reg;
 593
 594         /*
 595          * Update FCS error count from register.
 596          */
 597         rt2x00pci_register_read(rt2x00dev, CNT0, &reg);
 598         rt2x00dev->link.rx_failed = rt2x00_get_field32(reg, CNT0_FCS_ERROR);
 599
 600         /*
 601          * Update False CCA count from register.
 602          */
 603         rt2x00pci_register_read(rt2x00dev, CNT3, &reg);
 604         rt2x00dev->link.false_cca = rt2x00_get_field32(reg, CNT3_FALSE_CCA);
 605 }
 606
 607 static void rt2500pci_reset_tuner(struct rt2x00_dev *rt2x00dev)
 608 {
 609         rt2500pci_bbp_write(rt2x00dev, 17, 0x48);
 610         rt2x00dev->link.vgc_level = 0x48;
 611 }
 612
 613 static void rt2500pci_link_tuner(struct rt2x00_dev *rt2x00dev)
 614 {
 615         int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
 616         u8 r17;
 617
 618         /*
 619          * To prevent collisions with MAC ASIC on chipsets
 620          * up to version C the link tuning should halt after 20
 621          * seconds.
 622          */
 623         if (rt2x00_rev(&rt2x00dev->chip) < RT2560_VERSION_D &&
 624             rt2x00dev->link.count > 20)
 625                 return;
 626
 627         rt2500pci_bbp_read(rt2x00dev, 17, &r17);
 628
 629         /*
 630          * Chipset versions C and lower should directly continue
 631          * to the dynamic CCA tuning.
 632          */
 633         if (rt2x00_rev(&rt2x00dev->chip) < RT2560_VERSION_D)
 634                 goto dynamic_cca_tune;
 635
 636         /*
 637          * A too low RSSI will cause too much false CCA which will
 638          * then corrupt the R17 tuning. To remidy this the tuning should
 639          * be stopped (While making sure the R17 value will not exceed limits)
 640          */
 641         if (rssi < -80 && rt2x00dev->link.count > 20) {
 642                 if (r17 >= 0x41) {
 643                         r17 = rt2x00dev->link.vgc_level;
 644                         rt2500pci_bbp_write(rt2x00dev, 17, r17);
 645                 }
 646                 return;
 647         }
 648
 649         /*
 650          * Special big-R17 for short distance
 651          */
 652         if (rssi >= -58) {
 653                 if (r17 != 0x50)
 654                         rt2500pci_bbp_write(rt2x00dev, 17, 0x50);
 655                 return;
 656         }
 657
 658         /*
 659          * Special mid-R17 for middle distance
 660          */
 661         if (rssi >= -74) {
 662                 if (r17 != 0x41)
 663                         rt2500pci_bbp_write(rt2x00dev, 17, 0x41);
 664                 return;
 665         }
 666
 667         /*
 668          * Leave short or middle distance condition, restore r17
 669          * to the dynamic tuning range.
 670          */
 671         if (r17 >= 0x41) {
 672                 rt2500pci_bbp_write(rt2x00dev, 17, rt2x00dev->link.vgc_level);
 673                 return;
 674         }
 675
 676 dynamic_cca_tune:
 677
 678         /*
 679          * R17 is inside the dynamic tuning range,
 680          * start tuning the link based on the false cca counter.
 681          */
 682         if (rt2x00dev->link.false_cca > 512 && r17 < 0x40) {
 683                 rt2500pci_bbp_write(rt2x00dev, 17, ++r17);
 684                 rt2x00dev->link.vgc_level = r17;
 685         } else if (rt2x00dev->link.false_cca < 100 && r17 > 0x32) {
 686                 rt2500pci_bbp_write(rt2x00dev, 17, --r17);
 687                 rt2x00dev->link.vgc_level = r17;
 688         }
 689 }
 690
 691 /*
 692  * Initialization functions.
 693  */
 694 static void rt2500pci_init_rxring(struct rt2x00_dev *rt2x00dev)
 695 {
 696         struct data_ring *ring = rt2x00dev->rx;
 697         struct data_desc *rxd;
 698         unsigned int i;
 699         u32 word;
 700
 701         memset(ring->data_addr, 0x00, rt2x00_get_ring_size(ring));
 702
 703         for (i = 0; i < ring->stats.limit; i++) {
 704                 rxd = ring->entry[i].priv;
 705
 706                 rt2x00_desc_read(rxd, 1, &word);
 707                 rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS,
 708                                    ring->entry[i].data_dma);
 709                 rt2x00_desc_write(rxd, 1, word);
 710
 711                 rt2x00_desc_read(rxd, 0, &word);
 712                 rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
 713                 rt2x00_desc_write(rxd, 0, word);
 714         }
 715
 716         rt2x00_ring_index_clear(rt2x00dev->rx);
 717 }
 718
 719 static void rt2500pci_init_txring(struct rt2x00_dev *rt2x00dev, const int queue)
 720 {
 721         struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue);
 722         struct data_desc *txd;
 723         unsigned int i;
 724         u32 word;
 725
 726         memset(ring->data_addr, 0x00, rt2x00_get_ring_size(ring));
 727
 728         for (i = 0; i < ring->stats.limit; i++) {
 729                 txd = ring->entry[i].priv;
 730
 731                 rt2x00_desc_read(txd, 1, &word);
 732                 rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS,
 733                                    ring->entry[i].data_dma);
 734                 rt2x00_desc_write(txd, 1, word);
 735
 736                 rt2x00_desc_read(txd, 0, &word);
 737                 rt2x00_set_field32(&word, TXD_W0_VALID, 0);
 738                 rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
 739                 rt2x00_desc_write(txd, 0, word);
 740         }
 741
 742         rt2x00_ring_index_clear(ring);
 743 }
 744
 745 static int rt2500pci_init_rings(struct rt2x00_dev *rt2x00dev)
 746 {
 747         u32 reg;
 748
 749         /*
 750          * Initialize rings.
 751          */
 752         rt2500pci_init_rxring(rt2x00dev);
 753         rt2500pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA0);
 754         rt2500pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA1);
 755         rt2500pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_AFTER_BEACON);
 756         rt2500pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
 757
 758         /*
 759          * Initialize registers.
 760          */
 761         rt2x00pci_register_read(rt2x00dev, TXCSR2, &reg);
 762         rt2x00_set_field32(&reg, TXCSR2_TXD_SIZE,
 763                            rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].desc_size);
 764         rt2x00_set_field32(&reg, TXCSR2_NUM_TXD,
 765                            rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].stats.limit);
 766         rt2x00_set_field32(&reg, TXCSR2_NUM_ATIM,
 767                            rt2x00dev->bcn[1].stats.limit);
 768         rt2x00_set_field32(&reg, TXCSR2_NUM_PRIO,
 769                            rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].stats.limit);
 770         rt2x00pci_register_write(rt2x00dev, TXCSR2, reg);
 771
 772         rt2x00pci_register_read(rt2x00dev, TXCSR3, &reg);
 773         rt2x00_set_field32(&reg, TXCSR3_TX_RING_REGISTER,
 774                            rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].data_dma);
 775         rt2x00pci_register_write(rt2x00dev, TXCSR3, reg);
 776
 777         rt2x00pci_register_read(rt2x00dev, TXCSR5, &reg);
 778         rt2x00_set_field32(&reg, TXCSR5_PRIO_RING_REGISTER,
 779                            rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].data_dma);
 780         rt2x00pci_register_write(rt2x00dev, TXCSR5, reg);
 781
 782         rt2x00pci_register_read(rt2x00dev, TXCSR4, &reg);
 783         rt2x00_set_field32(&reg, TXCSR4_ATIM_RING_REGISTER,
 784                            rt2x00dev->bcn[1].data_dma);
 785         rt2x00pci_register_write(rt2x00dev, TXCSR4, reg);
 786
 787         rt2x00pci_register_read(rt2x00dev, TXCSR6, &reg);
 788         rt2x00_set_field32(&reg, TXCSR6_BEACON_RING_REGISTER,
 789                            rt2x00dev->bcn[0].data_dma);
 790         rt2x00pci_register_write(rt2x00dev, TXCSR6, reg);
 791
 792         rt2x00pci_register_read(rt2x00dev, RXCSR1, &reg);
 793         rt2x00_set_field32(&reg, RXCSR1_RXD_SIZE, rt2x00dev->rx->desc_size);
 794         rt2x00_set_field32(&reg, RXCSR1_NUM_RXD, rt2x00dev->rx->stats.limit);
 795         rt2x00pci_register_write(rt2x00dev, RXCSR1, reg);
 796
 797         rt2x00pci_register_read(rt2x00dev, RXCSR2, &reg);
 798         rt2x00_set_field32(&reg, RXCSR2_RX_RING_REGISTER,
 799                            rt2x00dev->rx->data_dma);
 800         rt2x00pci_register_write(rt2x00dev, RXCSR2, reg);
 801
 802         return 0;
 803 }
 804
 805 static int rt2500pci_init_registers(struct rt2x00_dev *rt2x00dev)
 806 {
 807         u32 reg;
 808
 809         rt2x00pci_register_write(rt2x00dev, PSCSR0, 0x00020002);
 810         rt2x00pci_register_write(rt2x00dev, PSCSR1, 0x00000002);
 811         rt2x00pci_register_write(rt2x00dev, PSCSR2, 0x00020002);
 812         rt2x00pci_register_write(rt2x00dev, PSCSR3, 0x00000002);
 813
 814         rt2x00pci_register_read(rt2x00dev, TIMECSR, &reg);
 815         rt2x00_set_field32(&reg, TIMECSR_US_COUNT, 33);
 816         rt2x00_set_field32(&reg, TIMECSR_US_64_COUNT, 63);
 817         rt2x00_set_field32(&reg, TIMECSR_BEACON_EXPECT, 0);
 818         rt2x00pci_register_write(rt2x00dev, TIMECSR, reg);
 819
 820         rt2x00pci_register_read(rt2x00dev, CSR9, &reg);
 821         rt2x00_set_field32(&reg, CSR9_MAX_FRAME_UNIT,
 822                            rt2x00dev->rx->data_size / 128);
 823         rt2x00pci_register_write(rt2x00dev, CSR9, reg);
 824
 825         /*
 826          * Always use CWmin and CWmax set in descriptor.
 827          */
 828         rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
 829         rt2x00_set_field32(&reg, CSR11_CW_SELECT, 0);
 830         rt2x00pci_register_write(rt2x00dev, CSR11, reg);
 831
 832         rt2x00pci_register_write(rt2x00dev, CNT3, 0);
 833
 834         rt2x00pci_register_read(rt2x00dev, TXCSR8, &reg);
 835         rt2x00_set_field32(&reg, TXCSR8_BBP_ID0, 10);
 836         rt2x00_set_field32(&reg, TXCSR8_BBP_ID0_VALID, 1);
 837         rt2x00_set_field32(&reg, TXCSR8_BBP_ID1, 11);
 838         rt2x00_set_field32(&reg, TXCSR8_BBP_ID1_VALID, 1);
 839         rt2x00_set_field32(&reg, TXCSR8_BBP_ID2, 13);
 840         rt2x00_set_field32(&reg, TXCSR8_BBP_ID2_VALID, 1);
 841         rt2x00_set_field32(&reg, TXCSR8_BBP_ID3, 12);
 842         rt2x00_set_field32(&reg, TXCSR8_BBP_ID3_VALID, 1);
 843         rt2x00pci_register_write(rt2x00dev, TXCSR8, reg);
 844
 845         rt2x00pci_register_read(rt2x00dev, ARTCSR0, &reg);
 846         rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_1MBS, 112);
 847         rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_2MBS, 56);
 848         rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_5_5MBS, 20);
 849         rt2x00_set_field32(&reg, ARTCSR0_ACK_CTS_11MBS, 10);
 850         rt2x00pci_register_write(rt2x00dev, ARTCSR0, reg);
 851
 852         rt2x00pci_register_read(rt2x00dev, ARTCSR1, &reg);
 853         rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_6MBS, 45);
 854         rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_9MBS, 37);
 855         rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_12MBS, 33);
 856         rt2x00_set_field32(&reg, ARTCSR1_ACK_CTS_18MBS, 29);
 857         rt2x00pci_register_write(rt2x00dev, ARTCSR1, reg);
 858
 859         rt2x00pci_register_read(rt2x00dev, ARTCSR2, &reg);
 860         rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_24MBS, 29);
 861         rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_36MBS, 25);
 862         rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_48MBS, 25);
 863         rt2x00_set_field32(&reg, ARTCSR2_ACK_CTS_54MBS, 25);
 864         rt2x00pci_register_write(rt2x00dev, ARTCSR2, reg);
 865
 866         rt2x00pci_register_read(rt2x00dev, RXCSR3, &reg);
 867         rt2x00_set_field32(&reg, RXCSR3_BBP_ID0, 47); /* CCK Signal */
 868         rt2x00_set_field32(&reg, RXCSR3_BBP_ID0_VALID, 1);
 869         rt2x00_set_field32(&reg, RXCSR3_BBP_ID1, 51); /* Rssi */
 870         rt2x00_set_field32(&reg, RXCSR3_BBP_ID1_VALID, 1);
 871         rt2x00_set_field32(&reg, RXCSR3_BBP_ID2, 42); /* OFDM Rate */
 872         rt2x00_set_field32(&reg, RXCSR3_BBP_ID2_VALID, 1);
 873         rt2x00_set_field32(&reg, RXCSR3_BBP_ID3, 51); /* RSSI */
 874         rt2x00_set_field32(&reg, RXCSR3_BBP_ID3_VALID, 1);
 875         rt2x00pci_register_write(rt2x00dev, RXCSR3, reg);
 876
 877         rt2x00pci_register_read(rt2x00dev, PCICSR, &reg);
 878         rt2x00_set_field32(&reg, PCICSR_BIG_ENDIAN, 0);
 879         rt2x00_set_field32(&reg, PCICSR_RX_TRESHOLD, 0);
 880         rt2x00_set_field32(&reg, PCICSR_TX_TRESHOLD, 3);
 881         rt2x00_set_field32(&reg, PCICSR_BURST_LENTH, 1);
 882         rt2x00_set_field32(&reg, PCICSR_ENABLE_CLK, 1);
 883         rt2x00_set_field32(&reg, PCICSR_READ_MULTIPLE, 1);
 884         rt2x00_set_field32(&reg, PCICSR_WRITE_INVALID, 1);
 885         rt2x00pci_register_write(rt2x00dev, PCICSR, reg);
 886
 887         rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0x3f3b3100);
 888
 889         rt2x00pci_register_write(rt2x00dev, GPIOCSR, 0x0000ff00);
 890         rt2x00pci_register_write(rt2x00dev, TESTCSR, 0x000000f0);
 891
 892         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
 893                 return -EBUSY;
 894
 895         rt2x00pci_register_write(rt2x00dev, MACCSR0, 0x00213223);
 896         rt2x00pci_register_write(rt2x00dev, MACCSR1, 0x00235518);
 897
 898         rt2x00pci_register_read(rt2x00dev, MACCSR2, &reg);
 899         rt2x00_set_field32(&reg, MACCSR2_DELAY, 64);
 900         rt2x00pci_register_write(rt2x00dev, MACCSR2, reg);
 901
 902         rt2x00pci_register_read(rt2x00dev, RALINKCSR, &reg);
 903         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA0, 17);
 904         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID0, 26);
 905         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_VALID0, 1);
 906         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA1, 0);
 907         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID1, 26);
 908         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_VALID1, 1);
 909         rt2x00pci_register_write(rt2x00dev, RALINKCSR, reg);
 910
 911         rt2x00pci_register_write(rt2x00dev, BBPCSR1, 0x82188200);
 912
 913         rt2x00pci_register_write(rt2x00dev, TXACKCSR0, 0x00000020);
 914
 915         rt2x00pci_register_read(rt2x00dev, CSR1, &reg);
 916         rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 1);
 917         rt2x00_set_field32(&reg, CSR1_BBP_RESET, 0);
 918         rt2x00_set_field32(&reg, CSR1_HOST_READY, 0);
 919         rt2x00pci_register_write(rt2x00dev, CSR1, reg);
 920
 921         rt2x00pci_register_read(rt2x00dev, CSR1, &reg);
 922         rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 0);
 923         rt2x00_set_field32(&reg, CSR1_HOST_READY, 1);
 924         rt2x00pci_register_write(rt2x00dev, CSR1, reg);
 925
 926         /*
 927          * We must clear the FCS and FIFO error count.
 928          * These registers are cleared on read,
 929          * so we may pass a useless variable to store the value.
 930          */
 931         rt2x00pci_register_read(rt2x00dev, CNT0, &reg);
 932         rt2x00pci_register_read(rt2x00dev, CNT4, &reg);
 933
 934         return 0;
 935 }
 936
 937 static int rt2500pci_init_bbp(struct rt2x00_dev *rt2x00dev)
 938 {
 939         unsigned int i;
 940         u16 eeprom;
 941         u8 reg_id;
 942         u8 value;
 943
 944         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 945                 rt2500pci_bbp_read(rt2x00dev, 0, &value);
 946                 if ((value != 0xff) && (value != 0x00))
 947                         goto continue_csr_init;
 948                 NOTICE(rt2x00dev, "Waiting for BBP register.\n");
 949                 udelay(REGISTER_BUSY_DELAY);
 950         }
 951
 952         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
 953         return -EACCES;
 954
 955 continue_csr_init:
 956         rt2500pci_bbp_write(rt2x00dev, 3, 0x02);
 957         rt2500pci_bbp_write(rt2x00dev, 4, 0x19);
 958         rt2500pci_bbp_write(rt2x00dev, 14, 0x1c);
 959         rt2500pci_bbp_write(rt2x00dev, 15, 0x30);
 960         rt2500pci_bbp_write(rt2x00dev, 16, 0xac);
 961         rt2500pci_bbp_write(rt2x00dev, 18, 0x18);
 962         rt2500pci_bbp_write(rt2x00dev, 19, 0xff);
 963         rt2500pci_bbp_write(rt2x00dev, 20, 0x1e);
 964         rt2500pci_bbp_write(rt2x00dev, 21, 0x08);
 965         rt2500pci_bbp_write(rt2x00dev, 22, 0x08);
 966         rt2500pci_bbp_write(rt2x00dev, 23, 0x08);
 967         rt2500pci_bbp_write(rt2x00dev, 24, 0x70);
 968         rt2500pci_bbp_write(rt2x00dev, 25, 0x40);
 969         rt2500pci_bbp_write(rt2x00dev, 26, 0x08);
 970         rt2500pci_bbp_write(rt2x00dev, 27, 0x23);
 971         rt2500pci_bbp_write(rt2x00dev, 30, 0x10);
 972         rt2500pci_bbp_write(rt2x00dev, 31, 0x2b);
 973         rt2500pci_bbp_write(rt2x00dev, 32, 0xb9);
 974         rt2500pci_bbp_write(rt2x00dev, 34, 0x12);
 975         rt2500pci_bbp_write(rt2x00dev, 35, 0x50);
 976         rt2500pci_bbp_write(rt2x00dev, 39, 0xc4);
 977         rt2500pci_bbp_write(rt2x00dev, 40, 0x02);
 978         rt2500pci_bbp_write(rt2x00dev, 41, 0x60);
 979         rt2500pci_bbp_write(rt2x00dev, 53, 0x10);
 980         rt2500pci_bbp_write(rt2x00dev, 54, 0x18);
 981         rt2500pci_bbp_write(rt2x00dev, 56, 0x08);
 982         rt2500pci_bbp_write(rt2x00dev, 57, 0x10);
 983         rt2500pci_bbp_write(rt2x00dev, 58, 0x08);
 984         rt2500pci_bbp_write(rt2x00dev, 61, 0x6d);
 985         rt2500pci_bbp_write(rt2x00dev, 62, 0x10);
 986
 987         DEBUG(rt2x00dev, "Start initialization from EEPROM...\n");
 988         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
 989                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
 990
 991                 if (eeprom != 0xffff && eeprom != 0x0000) {
 992                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
 993                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
 994                         DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n",
 995                               reg_id, value);
 996                         rt2500pci_bbp_write(rt2x00dev, reg_id, value);
 997                 }
 998         }
 999         DEBUG(rt2x00dev, "...End initialization from EEPROM.\n");
1000
1001         return 0;
1002 }
1003
1004 /*
1005  * Device state switch handlers.
1006  */
1007 static void rt2500pci_toggle_rx(struct rt2x00_dev *rt2x00dev,
1008                                 enum dev_state state)
1009 {
1010         u32 reg;
1011
1012         rt2x00pci_register_read(rt2x00dev, RXCSR0, &reg);
1013         rt2x00_set_field32(&reg, RXCSR0_DISABLE_RX,
1014                            state == STATE_RADIO_RX_OFF);
1015         rt2x00pci_register_write(rt2x00dev, RXCSR0, reg);
1016 }
1017
1018 static void rt2500pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
1019                                  enum dev_state state)
1020 {
1021         int mask = (state == STATE_RADIO_IRQ_OFF);
1022         u32 reg;
1023
1024         /*
1025          * When interrupts are being enabled, the interrupt registers
1026          * should clear the register to assure a clean state.
1027          */
1028         if (state == STATE_RADIO_IRQ_ON) {
1029                 rt2x00pci_register_read(rt2x00dev, CSR7, &reg);
1030                 rt2x00pci_register_write(rt2x00dev, CSR7, reg);
1031         }
1032
1033         /*
1034          * Only toggle the interrupts bits we are going to use.
1035          * Non-checked interrupt bits are disabled by default.
1036          */
1037         rt2x00pci_register_read(rt2x00dev, CSR8, &reg);
1038         rt2x00_set_field32(&reg, CSR8_TBCN_EXPIRE, mask);
1039         rt2x00_set_field32(&reg, CSR8_TXDONE_TXRING, mask);
1040         rt2x00_set_field32(&reg, CSR8_TXDONE_ATIMRING, mask);
1041         rt2x00_set_field32(&reg, CSR8_TXDONE_PRIORING, mask);
1042         rt2x00_set_field32(&reg, CSR8_RXDONE, mask);
1043         rt2x00pci_register_write(rt2x00dev, CSR8, reg);
1044 }
1045
1046 static int rt2500pci_enable_radio(struct rt2x00_dev *rt2x00dev)
1047 {
1048         /*
1049          * Initialize all registers.
1050          */
1051         if (rt2500pci_init_rings(rt2x00dev) ||
1052             rt2500pci_init_registers(rt2x00dev) ||
1053             rt2500pci_init_bbp(rt2x00dev)) {
1054                 ERROR(rt2x00dev, "Register initialization failed.\n");
1055                 return -EIO;
1056         }
1057
1058         /*
1059          * Enable interrupts.
1060          */
1061         rt2500pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_ON);
1062
1063         /*
1064          * Enable LED
1065          */
1066         rt2500pci_enable_led(rt2x00dev);
1067
1068         return 0;
1069 }
1070
1071 static void rt2500pci_disable_radio(struct rt2x00_dev *rt2x00dev)
1072 {
1073         u32 reg;
1074
1075         /*
1076          * Disable LED
1077          */
1078         rt2500pci_disable_led(rt2x00dev);
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          * Disable interrupts.
1096          */
1097         rt2500pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_OFF);
1098 }
1099
1100 static int rt2500pci_set_state(struct rt2x00_dev *rt2x00dev,
1101                                enum dev_state state)
1102 {
1103         u32 reg;
1104         unsigned int i;
1105         char put_to_sleep;
1106         char bbp_state;
1107         char rf_state;
1108
1109         put_to_sleep = (state != STATE_AWAKE);
1110
1111         rt2x00pci_register_read(rt2x00dev, PWRCSR1, &reg);
1112         rt2x00_set_field32(&reg, PWRCSR1_SET_STATE, 1);
1113         rt2x00_set_field32(&reg, PWRCSR1_BBP_DESIRE_STATE, state);
1114         rt2x00_set_field32(&reg, PWRCSR1_RF_DESIRE_STATE, state);
1115         rt2x00_set_field32(&reg, PWRCSR1_PUT_TO_SLEEP, put_to_sleep);
1116         rt2x00pci_register_write(rt2x00dev, PWRCSR1, reg);
1117
1118         /*
1119          * Device is not guaranteed to be in the requested state yet.
1120          * We must wait until the register indicates that the
1121          * device has entered the correct state.
1122          */
1123         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
1124                 rt2x00pci_register_read(rt2x00dev, PWRCSR1, &reg);
1125                 bbp_state = rt2x00_get_field32(reg, PWRCSR1_BBP_CURR_STATE);
1126                 rf_state = rt2x00_get_field32(reg, PWRCSR1_RF_CURR_STATE);
1127                 if (bbp_state == state && rf_state == state)
1128                         return 0;
1129                 msleep(10);
1130         }
1131
1132         NOTICE(rt2x00dev, "Device failed to enter state %d, "
1133                "current device state: bbp %d and rf %d.\n",
1134                state, bbp_state, rf_state);
1135
1136         return -EBUSY;
1137 }
1138
1139 static int rt2500pci_set_device_state(struct rt2x00_dev *rt2x00dev,
1140                                       enum dev_state state)
1141 {
1142         int retval = 0;
1143
1144         switch (state) {
1145         case STATE_RADIO_ON:
1146                 retval = rt2500pci_enable_radio(rt2x00dev);
1147                 break;
1148         case STATE_RADIO_OFF:
1149                 rt2500pci_disable_radio(rt2x00dev);
1150                 break;
1151         case STATE_RADIO_RX_ON:
1152         case STATE_RADIO_RX_OFF:
1153                 rt2500pci_toggle_rx(rt2x00dev, state);
1154                 break;
1155         case STATE_DEEP_SLEEP:
1156         case STATE_SLEEP:
1157         case STATE_STANDBY:
1158         case STATE_AWAKE:
1159                 retval = rt2500pci_set_state(rt2x00dev, state);
1160                 break;
1161         default:
1162                 retval = -ENOTSUPP;
1163                 break;
1164         }
1165
1166         return retval;
1167 }
1168
1169 /*
1170  * TX descriptor initialization
1171  */
1172 static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1173                                     struct data_desc *txd,
1174                                     struct txdata_entry_desc *desc,
1175                                     struct ieee80211_hdr *ieee80211hdr,
1176                                     unsigned int length,
1177                                     struct ieee80211_tx_control *control)
1178 {
1179         u32 word;
1180
1181         /*
1182          * Start writing the descriptor words.
1183          */
1184         rt2x00_desc_read(txd, 2, &word);
1185         rt2x00_set_field32(&word, TXD_W2_IV_OFFSET, IEEE80211_HEADER);
1186         rt2x00_set_field32(&word, TXD_W2_AIFS, desc->aifs);
1187         rt2x00_set_field32(&word, TXD_W2_CWMIN, desc->cw_min);
1188         rt2x00_set_field32(&word, TXD_W2_CWMAX, desc->cw_max);
1189         rt2x00_desc_write(txd, 2, word);
1190
1191         rt2x00_desc_read(txd, 3, &word);
1192         rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL, desc->signal);
1193         rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE, desc->service);
1194         rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_LOW, desc->length_low);
1195         rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_HIGH, desc->length_high);
1196         rt2x00_desc_write(txd, 3, word);
1197
1198         rt2x00_desc_read(txd, 10, &word);
1199         rt2x00_set_field32(&word, TXD_W10_RTS,
1200                            test_bit(ENTRY_TXD_RTS_FRAME, &desc->flags));
1201         rt2x00_desc_write(txd, 10, word);
1202
1203         rt2x00_desc_read(txd, 0, &word);
1204         rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1);
1205         rt2x00_set_field32(&word, TXD_W0_VALID, 1);
1206         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1207                            test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags));
1208         rt2x00_set_field32(&word, TXD_W0_ACK,
1209                            !(control->flags & IEEE80211_TXCTL_NO_ACK));
1210         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1211                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags));
1212         rt2x00_set_field32(&word, TXD_W0_OFDM,
1213                            test_bit(ENTRY_TXD_OFDM_RATE, &desc->flags));
1214         rt2x00_set_field32(&word, TXD_W0_CIPHER_OWNER, 1);
1215         rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs);
1216         rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
1217                            !!(control->flags &
1218                               IEEE80211_TXCTL_LONG_RETRY_LIMIT));
1219         rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, length);
1220         rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE);
1221         rt2x00_desc_write(txd, 0, word);
1222 }
1223
1224 /*
1225  * TX data initialization
1226  */
1227 static void rt2500pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1228                                     unsigned int queue)
1229 {
1230         u32 reg;
1231
1232         if (queue == IEEE80211_TX_QUEUE_BEACON) {
1233                 rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
1234                 if (!rt2x00_get_field32(reg, CSR14_BEACON_GEN)) {
1235                         rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 1);
1236                         rt2x00pci_register_write(rt2x00dev, CSR14, reg);
1237                 }
1238                 return;
1239         }
1240
1241         rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
1242         if (queue == IEEE80211_TX_QUEUE_DATA0)
1243                 rt2x00_set_field32(&reg, TXCSR0_KICK_PRIO, 1);
1244         else if (queue == IEEE80211_TX_QUEUE_DATA1)
1245                 rt2x00_set_field32(&reg, TXCSR0_KICK_TX, 1);
1246         else if (queue == IEEE80211_TX_QUEUE_AFTER_BEACON)
1247                 rt2x00_set_field32(&reg, TXCSR0_KICK_ATIM, 1);
1248         rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
1249 }
1250
1251 /*
1252  * RX control handlers
1253  */
1254 static void rt2500pci_fill_rxdone(struct data_entry *entry,
1255                                   struct rxdata_entry_desc *desc)
1256 {
1257         struct data_desc *rxd = entry->priv;
1258         u32 word0;
1259         u32 word2;
1260
1261         rt2x00_desc_read(rxd, 0, &word0);
1262         rt2x00_desc_read(rxd, 2, &word2);
1263
1264         desc->flags = 0;
1265         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1266                 desc->flags |= RX_FLAG_FAILED_FCS_CRC;
1267         if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
1268                 desc->flags |= RX_FLAG_FAILED_PLCP_CRC;
1269
1270         desc->signal = rt2x00_get_field32(word2, RXD_W2_SIGNAL);
1271         desc->rssi = rt2x00_get_field32(word2, RXD_W2_RSSI) -
1272             entry->ring->rt2x00dev->rssi_offset;
1273         desc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM);
1274         desc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1275 }
1276
1277 /*
1278  * Interrupt functions.
1279  */
1280 static void rt2500pci_txdone(struct rt2x00_dev *rt2x00dev, const int queue)
1281 {
1282         struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue);
1283         struct data_entry *entry;
1284         struct data_desc *txd;
1285         u32 word;
1286         int tx_status;
1287         int retry;
1288
1289         while (!rt2x00_ring_empty(ring)) {
1290                 entry = rt2x00_get_data_entry_done(ring);
1291                 txd = entry->priv;
1292                 rt2x00_desc_read(txd, 0, &word);
1293
1294                 if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
1295                     !rt2x00_get_field32(word, TXD_W0_VALID))
1296                         break;
1297
1298                 /*
1299                  * Obtain the status about this packet.
1300                  */
1301                 tx_status = rt2x00_get_field32(word, TXD_W0_RESULT);
1302                 retry = rt2x00_get_field32(word, TXD_W0_RETRY_COUNT);
1303
1304                 rt2x00lib_txdone(entry, tx_status, retry);
1305
1306                 /*
1307                  * Make this entry available for reuse.
1308                  */
1309                 entry->flags = 0;
1310                 rt2x00_set_field32(&word, TXD_W0_VALID, 0);
1311                 rt2x00_desc_write(txd, 0, word);
1312                 rt2x00_ring_index_done_inc(ring);
1313         }
1314
1315         /*
1316          * If the data ring was full before the txdone handler
1317          * we must make sure the packet queue in the mac80211 stack
1318          * is reenabled when the txdone handler has finished.
1319          */
1320         entry = ring->entry;
1321         if (!rt2x00_ring_full(ring))
1322                 ieee80211_wake_queue(rt2x00dev->hw,
1323                                      entry->tx_status.control.queue);
1324 }
1325
1326 static irqreturn_t rt2500pci_interrupt(int irq, void *dev_instance)
1327 {
1328         struct rt2x00_dev *rt2x00dev = dev_instance;
1329         u32 reg;
1330
1331         /*
1332          * Get the interrupt sources & saved to local variable.
1333          * Write register value back to clear pending interrupts.
1334          */
1335         rt2x00pci_register_read(rt2x00dev, CSR7, &reg);
1336         rt2x00pci_register_write(rt2x00dev, CSR7, reg);
1337
1338         if (!reg)
1339                 return IRQ_NONE;
1340
1341         if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
1342                 return IRQ_HANDLED;
1343
1344         /*
1345          * Handle interrupts, walk through all bits
1346          * and run the tasks, the bits are checked in order of
1347          * priority.
1348          */
1349
1350         /*
1351          * 1 - Beacon timer expired interrupt.
1352          */
1353         if (rt2x00_get_field32(reg, CSR7_TBCN_EXPIRE))
1354                 rt2x00lib_beacondone(rt2x00dev);
1355
1356         /*
1357          * 2 - Rx ring done interrupt.
1358          */
1359         if (rt2x00_get_field32(reg, CSR7_RXDONE))
1360                 rt2x00pci_rxdone(rt2x00dev);
1361
1362         /*
1363          * 3 - Atim ring transmit done interrupt.
1364          */
1365         if (rt2x00_get_field32(reg, CSR7_TXDONE_ATIMRING))
1366                 rt2500pci_txdone(rt2x00dev, IEEE80211_TX_QUEUE_AFTER_BEACON);
1367
1368         /*
1369          * 4 - Priority ring transmit done interrupt.
1370          */
1371         if (rt2x00_get_field32(reg, CSR7_TXDONE_PRIORING))
1372                 rt2500pci_txdone(rt2x00dev, IEEE80211_TX_QUEUE_DATA0);
1373
1374         /*
1375          * 5 - Tx ring transmit done interrupt.
1376          */
1377         if (rt2x00_get_field32(reg, CSR7_TXDONE_TXRING))
1378                 rt2500pci_txdone(rt2x00dev, IEEE80211_TX_QUEUE_DATA1);
1379
1380         return IRQ_HANDLED;
1381 }
1382
1383 /*
1384  * Device probe functions.
1385  */
1386 static int rt2500pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1387 {
1388         struct eeprom_93cx6 eeprom;
1389         u32 reg;
1390         u16 word;
1391         u8 *mac;
1392
1393         rt2x00pci_register_read(rt2x00dev, CSR21, &reg);
1394
1395         eeprom.data = rt2x00dev;
1396         eeprom.register_read = rt2500pci_eepromregister_read;
1397         eeprom.register_write = rt2500pci_eepromregister_write;
1398         eeprom.width = rt2x00_get_field32(reg, CSR21_TYPE_93C46) ?
1399             PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66;
1400         eeprom.reg_data_in = 0;
1401         eeprom.reg_data_out = 0;
1402         eeprom.reg_data_clock = 0;
1403         eeprom.reg_chip_select = 0;
1404
1405         eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
1406                                EEPROM_SIZE / sizeof(u16));
1407
1408         /*
1409          * Start validation of the data that has been read.
1410          */
1411         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1412         if (!is_valid_ether_addr(mac)) {
1413                 DECLARE_MAC_BUF(macbuf);
1414
1415                 random_ether_addr(mac);
1416                 EEPROM(rt2x00dev, "MAC: %s\n",
1417                        print_mac(macbuf, mac));
1418         }
1419
1420         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1421         if (word == 0xffff) {
1422                 rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
1423                 rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, 0);
1424                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, 0);
1425                 rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE, 0);
1426                 rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
1427                 rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
1428                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522);
1429                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
1430                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
1431         }
1432
1433         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
1434         if (word == 0xffff) {
1435                 rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
1436                 rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0);
1437                 rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0);
1438                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word);
1439                 EEPROM(rt2x00dev, "NIC: 0x%04x\n", word);
1440         }
1441
1442         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word);
1443         if (word == 0xffff) {
1444                 rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI,
1445                                    DEFAULT_RSSI_OFFSET);
1446                 rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word);
1447                 EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word);
1448         }
1449
1450         return 0;
1451 }
1452
1453 static int rt2500pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
1454 {
1455         u32 reg;
1456         u16 value;
1457         u16 eeprom;
1458
1459         /*
1460          * Read EEPROM word for configuration.
1461          */
1462         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1463
1464         /*
1465          * Identify RF chipset.
1466          */
1467         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1468         rt2x00pci_register_read(rt2x00dev, CSR0, &reg);
1469         rt2x00_set_chip(rt2x00dev, RT2560, value, reg);
1470
1471         if (!rt2x00_rf(&rt2x00dev->chip, RF2522) &&
1472             !rt2x00_rf(&rt2x00dev->chip, RF2523) &&
1473             !rt2x00_rf(&rt2x00dev->chip, RF2524) &&
1474             !rt2x00_rf(&rt2x00dev->chip, RF2525) &&
1475             !rt2x00_rf(&rt2x00dev->chip, RF2525E) &&
1476             !rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1477                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1478                 return -ENODEV;
1479         }
1480
1481         /*
1482          * Identify default antenna configuration.
1483          */
1484         rt2x00dev->hw->conf.antenna_sel_tx =
1485             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1486         rt2x00dev->hw->conf.antenna_sel_rx =
1487             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1488
1489         /*
1490          * Store led mode, for correct led behaviour.
1491          */
1492         rt2x00dev->led_mode =
1493             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
1494
1495         /*
1496          * Detect if this device has an hardware controlled radio.
1497          */
1498 #ifdef CONFIG_RT2500PCI_RFKILL
1499         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
1500                 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
1501 #endif /* CONFIG_RT2500PCI_RFKILL */
1502
1503         /*
1504          * Check if the BBP tuning should be enabled.
1505          */
1506         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
1507
1508         if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE))
1509                 __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
1510
1511         /*
1512          * Read the RSSI <-> dBm offset information.
1513          */
1514         rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom);
1515         rt2x00dev->rssi_offset =
1516             rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI);
1517
1518         return 0;
1519 }
1520
1521 /*
1522  * RF value list for RF2522
1523  * Supports: 2.4 GHz
1524  */
1525 static const struct rf_channel rf_vals_bg_2522[] = {
1526         { 1,  0x00002050, 0x000c1fda, 0x00000101, 0 },
1527         { 2,  0x00002050, 0x000c1fee, 0x00000101, 0 },
1528         { 3,  0x00002050, 0x000c2002, 0x00000101, 0 },
1529         { 4,  0x00002050, 0x000c2016, 0x00000101, 0 },
1530         { 5,  0x00002050, 0x000c202a, 0x00000101, 0 },
1531         { 6,  0x00002050, 0x000c203e, 0x00000101, 0 },
1532         { 7,  0x00002050, 0x000c2052, 0x00000101, 0 },
1533         { 8,  0x00002050, 0x000c2066, 0x00000101, 0 },
1534         { 9,  0x00002050, 0x000c207a, 0x00000101, 0 },
1535         { 10, 0x00002050, 0x000c208e, 0x00000101, 0 },
1536         { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 },
1537         { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 },
1538         { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 },
1539         { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 },
1540 };
1541
1542 /*
1543  * RF value list for RF2523
1544  * Supports: 2.4 GHz
1545  */
1546 static const struct rf_channel rf_vals_bg_2523[] = {
1547         { 1,  0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b },
1548         { 2,  0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b },
1549         { 3,  0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b },
1550         { 4,  0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b },
1551         { 5,  0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b },
1552         { 6,  0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b },
1553         { 7,  0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b },
1554         { 8,  0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b },
1555         { 9,  0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b },
1556         { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b },
1557         { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b },
1558         { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b },
1559         { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b },
1560         { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 },
1561 };
1562
1563 /*
1564  * RF value list for RF2524
1565  * Supports: 2.4 GHz
1566  */
1567 static const struct rf_channel rf_vals_bg_2524[] = {
1568         { 1,  0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b },
1569         { 2,  0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b },
1570         { 3,  0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b },
1571         { 4,  0x00032020, 0x00000caa, 0x00000101, 0x00000a1b },
1572         { 5,  0x00032020, 0x00000cae, 0x00000101, 0x00000a1b },
1573         { 6,  0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b },
1574         { 7,  0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b },
1575         { 8,  0x00032020, 0x00000cba, 0x00000101, 0x00000a1b },
1576         { 9,  0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b },
1577         { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b },
1578         { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b },
1579         { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b },
1580         { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b },
1581         { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 },
1582 };
1583
1584 /*
1585  * RF value list for RF2525
1586  * Supports: 2.4 GHz
1587  */
1588 static const struct rf_channel rf_vals_bg_2525[] = {
1589         { 1,  0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b },
1590         { 2,  0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b },
1591         { 3,  0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b },
1592         { 4,  0x00022020, 0x00080caa, 0x00060111, 0x00000a1b },
1593         { 5,  0x00022020, 0x00080cae, 0x00060111, 0x00000a1b },
1594         { 6,  0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b },
1595         { 7,  0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b },
1596         { 8,  0x00022020, 0x00080cba, 0x00060111, 0x00000a1b },
1597         { 9,  0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b },
1598         { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b },
1599         { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b },
1600         { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b },
1601         { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b },
1602         { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 },
1603 };
1604
1605 /*
1606  * RF value list for RF2525e
1607  * Supports: 2.4 GHz
1608  */
1609 static const struct rf_channel rf_vals_bg_2525e[] = {
1610         { 1,  0x00022020, 0x00081136, 0x00060111, 0x00000a0b },
1611         { 2,  0x00022020, 0x0008113a, 0x00060111, 0x00000a0b },
1612         { 3,  0x00022020, 0x0008113e, 0x00060111, 0x00000a0b },
1613         { 4,  0x00022020, 0x00081182, 0x00060111, 0x00000a0b },
1614         { 5,  0x00022020, 0x00081186, 0x00060111, 0x00000a0b },
1615         { 6,  0x00022020, 0x0008118a, 0x00060111, 0x00000a0b },
1616         { 7,  0x00022020, 0x0008118e, 0x00060111, 0x00000a0b },
1617         { 8,  0x00022020, 0x00081192, 0x00060111, 0x00000a0b },
1618         { 9,  0x00022020, 0x00081196, 0x00060111, 0x00000a0b },
1619         { 10, 0x00022020, 0x0008119a, 0x00060111, 0x00000a0b },
1620         { 11, 0x00022020, 0x0008119e, 0x00060111, 0x00000a0b },
1621         { 12, 0x00022020, 0x000811a2, 0x00060111, 0x00000a0b },
1622         { 13, 0x00022020, 0x000811a6, 0x00060111, 0x00000a0b },
1623         { 14, 0x00022020, 0x000811ae, 0x00060111, 0x00000a1b },
1624 };
1625
1626 /*
1627  * RF value list for RF5222
1628  * Supports: 2.4 GHz & 5.2 GHz
1629  */
1630 static const struct rf_channel rf_vals_5222[] = {
1631         { 1,  0x00022020, 0x00001136, 0x00000101, 0x00000a0b },
1632         { 2,  0x00022020, 0x0000113a, 0x00000101, 0x00000a0b },
1633         { 3,  0x00022020, 0x0000113e, 0x00000101, 0x00000a0b },
1634         { 4,  0x00022020, 0x00001182, 0x00000101, 0x00000a0b },
1635         { 5,  0x00022020, 0x00001186, 0x00000101, 0x00000a0b },
1636         { 6,  0x00022020, 0x0000118a, 0x00000101, 0x00000a0b },
1637         { 7,  0x00022020, 0x0000118e, 0x00000101, 0x00000a0b },
1638         { 8,  0x00022020, 0x00001192, 0x00000101, 0x00000a0b },
1639         { 9,  0x00022020, 0x00001196, 0x00000101, 0x00000a0b },
1640         { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b },
1641         { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b },
1642         { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b },
1643         { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b },
1644         { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b },
1645
1646         /* 802.11 UNI / HyperLan 2 */
1647         { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f },
1648         { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f },
1649         { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f },
1650         { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f },
1651         { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f },
1652         { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f },
1653         { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f },
1654         { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f },
1655
1656         /* 802.11 HyperLan 2 */
1657         { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f },
1658         { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f },
1659         { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f },
1660         { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f },
1661         { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f },
1662         { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f },
1663         { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f },
1664         { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f },
1665         { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f },
1666         { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f },
1667
1668         /* 802.11 UNII */
1669         { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f },
1670         { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 },
1671         { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 },
1672         { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 },
1673         { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 },
1674 };
1675
1676 static void rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
1677 {
1678         struct hw_mode_spec *spec = &rt2x00dev->spec;
1679         u8 *txpower;
1680         unsigned int i;
1681
1682         /*
1683          * Initialize all hw fields.
1684          */
1685         rt2x00dev->hw->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
1686         rt2x00dev->hw->extra_tx_headroom = 0;
1687         rt2x00dev->hw->max_signal = MAX_SIGNAL;
1688         rt2x00dev->hw->max_rssi = MAX_RX_SSI;
1689         rt2x00dev->hw->queues = 2;
1690
1691         SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_pci(rt2x00dev)->dev);
1692         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1693                                 rt2x00_eeprom_addr(rt2x00dev,
1694                                                    EEPROM_MAC_ADDR_0));
1695
1696         /*
1697          * Convert tx_power array in eeprom.
1698          */
1699         txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
1700         for (i = 0; i < 14; i++)
1701                 txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
1702
1703         /*
1704          * Initialize hw_mode information.
1705          */
1706         spec->num_modes = 2;
1707         spec->num_rates = 12;
1708         spec->tx_power_a = NULL;
1709         spec->tx_power_bg = txpower;
1710         spec->tx_power_default = DEFAULT_TXPOWER;
1711
1712         if (rt2x00_rf(&rt2x00dev->chip, RF2522)) {
1713                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
1714                 spec->channels = rf_vals_bg_2522;
1715         } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) {
1716                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
1717                 spec->channels = rf_vals_bg_2523;
1718         } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) {
1719                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
1720                 spec->channels = rf_vals_bg_2524;
1721         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
1722                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
1723                 spec->channels = rf_vals_bg_2525;
1724         } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
1725                 spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
1726                 spec->channels = rf_vals_bg_2525e;
1727         } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) {
1728                 spec->num_channels = ARRAY_SIZE(rf_vals_5222);
1729                 spec->channels = rf_vals_5222;
1730                 spec->num_modes = 3;
1731         }
1732 }
1733
1734 static int rt2500pci_probe_hw(struct rt2x00_dev *rt2x00dev)
1735 {
1736         int retval;
1737
1738         /*
1739          * Allocate eeprom data.
1740          */
1741         retval = rt2500pci_validate_eeprom(rt2x00dev);
1742         if (retval)
1743                 return retval;
1744
1745         retval = rt2500pci_init_eeprom(rt2x00dev);
1746         if (retval)
1747                 return retval;
1748
1749         /*
1750          * Initialize hw specifications.
1751          */
1752         rt2500pci_probe_hw_mode(rt2x00dev);
1753
1754         /*
1755          * This device requires the beacon ring
1756          */
1757         __set_bit(DRIVER_REQUIRE_BEACON_RING, &rt2x00dev->flags);
1758
1759         /*
1760          * Set the rssi offset.
1761          */
1762         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1763
1764         return 0;
1765 }
1766
1767 /*
1768  * IEEE80211 stack callback functions.
1769  */
1770 static void rt2500pci_configure_filter(struct ieee80211_hw *hw,
1771                                        unsigned int changed_flags,
1772                                        unsigned int *total_flags,
1773                                        int mc_count,
1774                                        struct dev_addr_list *mc_list)
1775 {
1776         struct rt2x00_dev *rt2x00dev = hw->priv;
1777         struct interface *intf = &rt2x00dev->interface;
1778         u32 reg;
1779
1780         /*
1781          * Mask off any flags we are going to ignore from
1782          * the total_flags field.
1783          */
1784         *total_flags &=
1785             FIF_ALLMULTI |
1786             FIF_FCSFAIL |
1787             FIF_PLCPFAIL |
1788             FIF_CONTROL |
1789             FIF_OTHER_BSS |
1790             FIF_PROMISC_IN_BSS;
1791
1792         /*
1793          * Apply some rules to the filters:
1794          * - Some filters imply different filters to be set.
1795          * - Some things we can't filter out at all.
1796          * - Some filters are set based on interface type.
1797          */
1798         if (mc_count)
1799                 *total_flags |= FIF_ALLMULTI;
1800         if (*total_flags & FIF_OTHER_BSS ||
1801             *total_flags & FIF_PROMISC_IN_BSS)
1802                 *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS;
1803         if (is_interface_type(intf, IEEE80211_IF_TYPE_AP))
1804                 *total_flags |= FIF_PROMISC_IN_BSS;
1805
1806         /*
1807          * Check if there is any work left for us.
1808          */
1809         if (intf->filter == *total_flags)
1810                 return;
1811         intf->filter = *total_flags;
1812
1813         /*
1814          * Start configuration steps.
1815          * Note that the version error will always be dropped
1816          * and broadcast frames will always be accepted since
1817          * there is no filter for it at this time.
1818          */
1819         rt2x00pci_register_read(rt2x00dev, RXCSR0, &reg);
1820         rt2x00_set_field32(&reg, RXCSR0_DROP_CRC,
1821                            !(*total_flags & FIF_FCSFAIL));
1822         rt2x00_set_field32(&reg, RXCSR0_DROP_PHYSICAL,
1823                            !(*total_flags & FIF_PLCPFAIL));
1824         rt2x00_set_field32(&reg, RXCSR0_DROP_CONTROL,
1825                            !(*total_flags & FIF_CONTROL));
1826         rt2x00_set_field32(&reg, RXCSR0_DROP_NOT_TO_ME,
1827                            !(*total_flags & FIF_PROMISC_IN_BSS));
1828         rt2x00_set_field32(&reg, RXCSR0_DROP_TODS,
1829                            !(*total_flags & FIF_PROMISC_IN_BSS));
1830         rt2x00_set_field32(&reg, RXCSR0_DROP_VERSION_ERROR, 1);
1831         rt2x00_set_field32(&reg, RXCSR0_DROP_MCAST,
1832                            !(*total_flags & FIF_ALLMULTI));
1833         rt2x00_set_field32(&reg, RXCSR0_DROP_BCAST, 0);
1834         rt2x00pci_register_write(rt2x00dev, RXCSR0, reg);
1835 }
1836
1837 static int rt2500pci_set_retry_limit(struct ieee80211_hw *hw,
1838                                      u32 short_retry, u32 long_retry)
1839 {
1840         struct rt2x00_dev *rt2x00dev = hw->priv;
1841         u32 reg;
1842
1843         rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
1844         rt2x00_set_field32(&reg, CSR11_LONG_RETRY, long_retry);
1845         rt2x00_set_field32(&reg, CSR11_SHORT_RETRY, short_retry);
1846         rt2x00pci_register_write(rt2x00dev, CSR11, reg);
1847
1848         return 0;
1849 }
1850
1851 static u64 rt2500pci_get_tsf(struct ieee80211_hw *hw)
1852 {
1853         struct rt2x00_dev *rt2x00dev = hw->priv;
1854         u64 tsf;
1855         u32 reg;
1856
1857         rt2x00pci_register_read(rt2x00dev, CSR17, &reg);
1858         tsf = (u64) rt2x00_get_field32(reg, CSR17_HIGH_TSFTIMER) << 32;
1859         rt2x00pci_register_read(rt2x00dev, CSR16, &reg);
1860         tsf |= rt2x00_get_field32(reg, CSR16_LOW_TSFTIMER);
1861
1862         return tsf;
1863 }
1864
1865 static void rt2500pci_reset_tsf(struct ieee80211_hw *hw)
1866 {
1867         struct rt2x00_dev *rt2x00dev = hw->priv;
1868
1869         rt2x00pci_register_write(rt2x00dev, CSR16, 0);
1870         rt2x00pci_register_write(rt2x00dev, CSR17, 0);
1871 }
1872
1873 static int rt2500pci_tx_last_beacon(struct ieee80211_hw *hw)
1874 {
1875         struct rt2x00_dev *rt2x00dev = hw->priv;
1876         u32 reg;
1877
1878         rt2x00pci_register_read(rt2x00dev, CSR15, &reg);
1879         return rt2x00_get_field32(reg, CSR15_BEACON_SENT);
1880 }
1881
1882 static const struct ieee80211_ops rt2500pci_mac80211_ops = {
1883         .tx                     = rt2x00mac_tx,
1884         .start                  = rt2x00mac_start,
1885         .stop                   = rt2x00mac_stop,
1886         .add_interface          = rt2x00mac_add_interface,
1887         .remove_interface       = rt2x00mac_remove_interface,
1888         .config                 = rt2x00mac_config,
1889         .config_interface       = rt2x00mac_config_interface,
1890         .configure_filter       = rt2500pci_configure_filter,
1891         .get_stats              = rt2x00mac_get_stats,
1892         .set_retry_limit        = rt2500pci_set_retry_limit,
1893         .erp_ie_changed         = rt2x00mac_erp_ie_changed,
1894         .conf_tx                = rt2x00mac_conf_tx,
1895         .get_tx_stats           = rt2x00mac_get_tx_stats,
1896         .get_tsf                = rt2500pci_get_tsf,
1897         .reset_tsf              = rt2500pci_reset_tsf,
1898         .beacon_update          = rt2x00pci_beacon_update,
1899         .tx_last_beacon         = rt2500pci_tx_last_beacon,
1900 };
1901
1902 static const struct rt2x00lib_ops rt2500pci_rt2x00_ops = {
1903         .irq_handler            = rt2500pci_interrupt,
1904         .probe_hw               = rt2500pci_probe_hw,
1905         .initialize             = rt2x00pci_initialize,
1906         .uninitialize           = rt2x00pci_uninitialize,
1907         .set_device_state       = rt2500pci_set_device_state,
1908         .rfkill_poll            = rt2500pci_rfkill_poll,
1909         .link_stats             = rt2500pci_link_stats,
1910         .reset_tuner            = rt2500pci_reset_tuner,
1911         .link_tuner             = rt2500pci_link_tuner,
1912         .write_tx_desc          = rt2500pci_write_tx_desc,
1913         .write_tx_data          = rt2x00pci_write_tx_data,
1914         .kick_tx_queue          = rt2500pci_kick_tx_queue,
1915         .fill_rxdone            = rt2500pci_fill_rxdone,
1916         .config_mac_addr        = rt2500pci_config_mac_addr,
1917         .config_bssid           = rt2500pci_config_bssid,
1918         .config_type            = rt2500pci_config_type,
1919         .config_preamble        = rt2500pci_config_preamble,
1920         .config                 = rt2500pci_config,
1921 };
1922
1923 static const struct rt2x00_ops rt2500pci_ops = {
1924         .name           = DRV_NAME,
1925         .rxd_size       = RXD_DESC_SIZE,
1926         .txd_size       = TXD_DESC_SIZE,
1927         .eeprom_size    = EEPROM_SIZE,
1928         .rf_size        = RF_SIZE,
1929         .lib            = &rt2500pci_rt2x00_ops,
1930         .hw             = &rt2500pci_mac80211_ops,
1931 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1932         .debugfs        = &rt2500pci_rt2x00debug,
1933 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1934 };
1935
1936 /*
1937  * RT2500pci module information.
1938  */
1939 static struct pci_device_id rt2500pci_device_table[] = {
1940         { PCI_DEVICE(0x1814, 0x0201), PCI_DEVICE_DATA(&rt2500pci_ops) },
1941         { 0, }
1942 };
1943
1944 MODULE_AUTHOR(DRV_PROJECT);
1945 MODULE_VERSION(DRV_VERSION);
1946 MODULE_DESCRIPTION("Ralink RT2500 PCI & PCMCIA Wireless LAN driver.");
1947 MODULE_SUPPORTED_DEVICE("Ralink RT2560 PCI & PCMCIA chipset based cards");
1948 MODULE_DEVICE_TABLE(pci, rt2500pci_device_table);
1949 MODULE_LICENSE("GPL");
1950
1951 static struct pci_driver rt2500pci_driver = {
1952         .name           = DRV_NAME,
1953         .id_table       = rt2500pci_device_table,
1954         .probe          = rt2x00pci_probe,
1955         .remove         = __devexit_p(rt2x00pci_remove),
1956         .suspend        = rt2x00pci_suspend,
1957         .resume         = rt2x00pci_resume,
1958 };
1959
1960 static int __init rt2500pci_init(void)
1961 {
1962         return pci_register_driver(&rt2500pci_driver);
1963 }
1964
1965 static void __exit rt2500pci_exit(void)
1966 {
1967         pci_unregister_driver(&rt2500pci_driver);
1968 }
1969
1970 module_init(rt2500pci_init);
1971 module_exit(rt2500pci_exit);