git.oblomov.eu Git - linux-2.6/blob - drivers/net/wireless/rt2x00/rt2400pci.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: rt2400pci
  23         Abstract: rt2400pci device specific routines.
  24         Supported chipsets: RT2460.
  25  */
  26
  27 /*
  28  * Set enviroment defines for rt2x00.h
  29  */
  30 #define DRV_NAME "rt2400pci"
  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 "rt2400pci.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 rt2400pci_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 rt2400pci_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 = rt2400pci_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 rt2400pci_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 = rt2400pci_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 = rt2400pci_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 rt2400pci_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 rt2400pci_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 rt2400pci_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 rt2400pci_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 rt2400pci_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 rt2400pci_rt2x00debug = {
 211         .owner  = THIS_MODULE,
 212         .csr    = {
 213                 .read           = rt2400pci_read_csr,
 214                 .write          = rt2400pci_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           = rt2400pci_bbp_read,
 226                 .write          = rt2400pci_bbp_write,
 227                 .word_size      = sizeof(u8),
 228                 .word_count     = BBP_SIZE / sizeof(u8),
 229         },
 230         .rf     = {
 231                 .read           = rt2x00_rf_read,
 232                 .write          = rt2400pci_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_RT2400PCI_RFKILL
 240 static int rt2400pci_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 rt2400pci_rfkill_poll   NULL
 249 #endif /* CONFIG_RT2400PCI_RFKILL */
 250
 251 /*
 252  * Configuration handlers.
 253  */
 254 static void rt2400pci_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 rt2400pci_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 rt2400pci_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         rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
 282
 283         /*
 284          * Enable synchronisation.
 285          */
 286         rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
 287         rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 1);
 288         rt2x00_set_field32(&reg, CSR14_TBCN, 1);
 289         rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
 290         rt2x00_set_field32(&reg, CSR14_TSF_SYNC, tsf_sync);
 291         rt2x00pci_register_write(rt2x00dev, CSR14, reg);
 292 }
 293
 294 static void rt2400pci_config_preamble(struct rt2x00_dev *rt2x00dev,
 295                                       const int short_preamble,
 296                                       const int ack_timeout,
 297                                       const int ack_consume_time)
 298 {
 299         int preamble_mask;
 300         u32 reg;
 301
 302         /*
 303          * When short preamble is enabled, we should set bit 0x08
 304          */
 305         preamble_mask = short_preamble << 3;
 306
 307         rt2x00pci_register_read(rt2x00dev, TXCSR1, &reg);
 308         rt2x00_set_field32(&reg, TXCSR1_ACK_TIMEOUT, ack_timeout);
 309         rt2x00_set_field32(&reg, TXCSR1_ACK_CONSUME_TIME, ack_consume_time);
 310         rt2x00pci_register_write(rt2x00dev, TXCSR1, reg);
 311
 312         rt2x00pci_register_read(rt2x00dev, ARCSR2, &reg);
 313         rt2x00_set_field32(&reg, ARCSR2_SIGNAL, 0x00 | preamble_mask);
 314         rt2x00_set_field32(&reg, ARCSR2_SERVICE, 0x04);
 315         rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 10));
 316         rt2x00pci_register_write(rt2x00dev, ARCSR2, reg);
 317
 318         rt2x00pci_register_read(rt2x00dev, ARCSR3, &reg);
 319         rt2x00_set_field32(&reg, ARCSR3_SIGNAL, 0x01 | preamble_mask);
 320         rt2x00_set_field32(&reg, ARCSR3_SERVICE, 0x04);
 321         rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 20));
 322         rt2x00pci_register_write(rt2x00dev, ARCSR3, reg);
 323
 324         rt2x00pci_register_read(rt2x00dev, ARCSR4, &reg);
 325         rt2x00_set_field32(&reg, ARCSR4_SIGNAL, 0x02 | preamble_mask);
 326         rt2x00_set_field32(&reg, ARCSR4_SERVICE, 0x04);
 327         rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 55));
 328         rt2x00pci_register_write(rt2x00dev, ARCSR4, reg);
 329
 330         rt2x00pci_register_read(rt2x00dev, ARCSR5, &reg);
 331         rt2x00_set_field32(&reg, ARCSR5_SIGNAL, 0x03 | preamble_mask);
 332         rt2x00_set_field32(&reg, ARCSR5_SERVICE, 0x84);
 333         rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 110));
 334         rt2x00pci_register_write(rt2x00dev, ARCSR5, reg);
 335 }
 336
 337 static void rt2400pci_config_phymode(struct rt2x00_dev *rt2x00dev,
 338                                      const int basic_rate_mask)
 339 {
 340         rt2x00pci_register_write(rt2x00dev, ARCSR1, basic_rate_mask);
 341 }
 342
 343 static void rt2400pci_config_channel(struct rt2x00_dev *rt2x00dev,
 344                                      struct rf_channel *rf)
 345 {
 346         /*
 347          * Switch on tuning bits.
 348          */
 349         rt2x00_set_field32(&rf->rf1, RF1_TUNER, 1);
 350         rt2x00_set_field32(&rf->rf3, RF3_TUNER, 1);
 351
 352         rt2400pci_rf_write(rt2x00dev, 1, rf->rf1);
 353         rt2400pci_rf_write(rt2x00dev, 2, rf->rf2);
 354         rt2400pci_rf_write(rt2x00dev, 3, rf->rf3);
 355
 356         /*
 357          * RF2420 chipset don't need any additional actions.
 358          */
 359         if (rt2x00_rf(&rt2x00dev->chip, RF2420))
 360                 return;
 361
 362         /*
 363          * For the RT2421 chipsets we need to write an invalid
 364          * reference clock rate to activate auto_tune.
 365          * After that we set the value back to the correct channel.
 366          */
 367         rt2400pci_rf_write(rt2x00dev, 1, rf->rf1);
 368         rt2400pci_rf_write(rt2x00dev, 2, 0x000c2a32);
 369         rt2400pci_rf_write(rt2x00dev, 3, rf->rf3);
 370
 371         msleep(1);
 372
 373         rt2400pci_rf_write(rt2x00dev, 1, rf->rf1);
 374         rt2400pci_rf_write(rt2x00dev, 2, rf->rf2);
 375         rt2400pci_rf_write(rt2x00dev, 3, rf->rf3);
 376
 377         msleep(1);
 378
 379         /*
 380          * Switch off tuning bits.
 381          */
 382         rt2x00_set_field32(&rf->rf1, RF1_TUNER, 0);
 383         rt2x00_set_field32(&rf->rf3, RF3_TUNER, 0);
 384
 385         rt2400pci_rf_write(rt2x00dev, 1, rf->rf1);
 386         rt2400pci_rf_write(rt2x00dev, 3, rf->rf3);
 387
 388         /*
 389          * Clear false CRC during channel switch.
 390          */
 391         rt2x00pci_register_read(rt2x00dev, CNT0, &rf->rf1);
 392 }
 393
 394 static void rt2400pci_config_txpower(struct rt2x00_dev *rt2x00dev, int txpower)
 395 {
 396         rt2400pci_bbp_write(rt2x00dev, 3, TXPOWER_TO_DEV(txpower));
 397 }
 398
 399 static void rt2400pci_config_antenna(struct rt2x00_dev *rt2x00dev,
 400                                      struct antenna_setup *ant)
 401 {
 402         u8 r1;
 403         u8 r4;
 404
 405         rt2400pci_bbp_read(rt2x00dev, 4, &r4);
 406         rt2400pci_bbp_read(rt2x00dev, 1, &r1);
 407
 408         /*
 409          * Configure the TX antenna.
 410          */
 411         switch (ant->tx) {
 412         case ANTENNA_SW_DIVERSITY:
 413         case ANTENNA_HW_DIVERSITY:
 414                 rt2x00_set_field8(&r1, BBP_R1_TX_ANTENNA, 1);
 415                 break;
 416         case ANTENNA_A:
 417                 rt2x00_set_field8(&r1, BBP_R1_TX_ANTENNA, 0);
 418                 break;
 419         case ANTENNA_B:
 420                 rt2x00_set_field8(&r1, BBP_R1_TX_ANTENNA, 2);
 421                 break;
 422         }
 423
 424         /*
 425          * Configure the RX antenna.
 426          */
 427         switch (ant->rx) {
 428         case ANTENNA_SW_DIVERSITY:
 429         case ANTENNA_HW_DIVERSITY:
 430                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
 431                 break;
 432         case ANTENNA_A:
 433                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 0);
 434                 break;
 435         case ANTENNA_B:
 436                 rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
 437                 break;
 438         }
 439
 440         rt2400pci_bbp_write(rt2x00dev, 4, r4);
 441         rt2400pci_bbp_write(rt2x00dev, 1, r1);
 442 }
 443
 444 static void rt2400pci_config_duration(struct rt2x00_dev *rt2x00dev,
 445                                       struct rt2x00lib_conf *libconf)
 446 {
 447         u32 reg;
 448
 449         rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
 450         rt2x00_set_field32(&reg, CSR11_SLOT_TIME, libconf->slot_time);
 451         rt2x00pci_register_write(rt2x00dev, CSR11, reg);
 452
 453         rt2x00pci_register_read(rt2x00dev, CSR18, &reg);
 454         rt2x00_set_field32(&reg, CSR18_SIFS, libconf->sifs);
 455         rt2x00_set_field32(&reg, CSR18_PIFS, libconf->pifs);
 456         rt2x00pci_register_write(rt2x00dev, CSR18, reg);
 457
 458         rt2x00pci_register_read(rt2x00dev, CSR19, &reg);
 459         rt2x00_set_field32(&reg, CSR19_DIFS, libconf->difs);
 460         rt2x00_set_field32(&reg, CSR19_EIFS, libconf->eifs);
 461         rt2x00pci_register_write(rt2x00dev, CSR19, reg);
 462
 463         rt2x00pci_register_read(rt2x00dev, TXCSR1, &reg);
 464         rt2x00_set_field32(&reg, TXCSR1_TSF_OFFSET, IEEE80211_HEADER);
 465         rt2x00_set_field32(&reg, TXCSR1_AUTORESPONDER, 1);
 466         rt2x00pci_register_write(rt2x00dev, TXCSR1, reg);
 467
 468         rt2x00pci_register_read(rt2x00dev, CSR12, &reg);
 469         rt2x00_set_field32(&reg, CSR12_BEACON_INTERVAL,
 470                            libconf->conf->beacon_int * 16);
 471         rt2x00_set_field32(&reg, CSR12_CFP_MAX_DURATION,
 472                            libconf->conf->beacon_int * 16);
 473         rt2x00pci_register_write(rt2x00dev, CSR12, reg);
 474 }
 475
 476 static void rt2400pci_config(struct rt2x00_dev *rt2x00dev,
 477                              const unsigned int flags,
 478                              struct rt2x00lib_conf *libconf)
 479 {
 480         if (flags & CONFIG_UPDATE_PHYMODE)
 481                 rt2400pci_config_phymode(rt2x00dev, libconf->basic_rates);
 482         if (flags & CONFIG_UPDATE_CHANNEL)
 483                 rt2400pci_config_channel(rt2x00dev, &libconf->rf);
 484         if (flags & CONFIG_UPDATE_TXPOWER)
 485                 rt2400pci_config_txpower(rt2x00dev,
 486                                          libconf->conf->power_level);
 487         if (flags & CONFIG_UPDATE_ANTENNA)
 488                 rt2400pci_config_antenna(rt2x00dev, &libconf->ant);
 489         if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
 490                 rt2400pci_config_duration(rt2x00dev, libconf);
 491 }
 492
 493 static void rt2400pci_config_cw(struct rt2x00_dev *rt2x00dev,
 494                                 struct ieee80211_tx_queue_params *params)
 495 {
 496         u32 reg;
 497
 498         rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
 499         rt2x00_set_field32(&reg, CSR11_CWMIN, params->cw_min);
 500         rt2x00_set_field32(&reg, CSR11_CWMAX, params->cw_max);
 501         rt2x00pci_register_write(rt2x00dev, CSR11, reg);
 502 }
 503
 504 /*
 505  * LED functions.
 506  */
 507 static void rt2400pci_enable_led(struct rt2x00_dev *rt2x00dev)
 508 {
 509         u32 reg;
 510
 511         rt2x00pci_register_read(rt2x00dev, LEDCSR, &reg);
 512
 513         rt2x00_set_field32(&reg, LEDCSR_ON_PERIOD, 70);
 514         rt2x00_set_field32(&reg, LEDCSR_OFF_PERIOD, 30);
 515
 516         if (rt2x00dev->led_mode == LED_MODE_TXRX_ACTIVITY) {
 517                 rt2x00_set_field32(&reg, LEDCSR_LINK, 1);
 518                 rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 0);
 519         } else if (rt2x00dev->led_mode == LED_MODE_ASUS) {
 520                 rt2x00_set_field32(&reg, LEDCSR_LINK, 0);
 521                 rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 1);
 522         } else {
 523                 rt2x00_set_field32(&reg, LEDCSR_LINK, 1);
 524                 rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 1);
 525         }
 526
 527         rt2x00pci_register_write(rt2x00dev, LEDCSR, reg);
 528 }
 529
 530 static void rt2400pci_disable_led(struct rt2x00_dev *rt2x00dev)
 531 {
 532         u32 reg;
 533
 534         rt2x00pci_register_read(rt2x00dev, LEDCSR, &reg);
 535         rt2x00_set_field32(&reg, LEDCSR_LINK, 0);
 536         rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 0);
 537         rt2x00pci_register_write(rt2x00dev, LEDCSR, reg);
 538 }
 539
 540 /*
 541  * Link tuning
 542  */
 543 static void rt2400pci_link_stats(struct rt2x00_dev *rt2x00dev,
 544                                  struct link_qual *qual)
 545 {
 546         u32 reg;
 547         u8 bbp;
 548
 549         /*
 550          * Update FCS error count from register.
 551          */
 552         rt2x00pci_register_read(rt2x00dev, CNT0, &reg);
 553         qual->rx_failed = rt2x00_get_field32(reg, CNT0_FCS_ERROR);
 554
 555         /*
 556          * Update False CCA count from register.
 557          */
 558         rt2400pci_bbp_read(rt2x00dev, 39, &bbp);
 559         qual->false_cca = bbp;
 560 }
 561
 562 static void rt2400pci_reset_tuner(struct rt2x00_dev *rt2x00dev)
 563 {
 564         rt2400pci_bbp_write(rt2x00dev, 13, 0x08);
 565         rt2x00dev->link.vgc_level = 0x08;
 566 }
 567
 568 static void rt2400pci_link_tuner(struct rt2x00_dev *rt2x00dev)
 569 {
 570         u8 reg;
 571
 572         /*
 573          * The link tuner should not run longer then 60 seconds,
 574          * and should run once every 2 seconds.
 575          */
 576         if (rt2x00dev->link.count > 60 || !(rt2x00dev->link.count & 1))
 577                 return;
 578
 579         /*
 580          * Base r13 link tuning on the false cca count.
 581          */
 582         rt2400pci_bbp_read(rt2x00dev, 13, &reg);
 583
 584         if (rt2x00dev->link.qual.false_cca > 512 && reg < 0x20) {
 585                 rt2400pci_bbp_write(rt2x00dev, 13, ++reg);
 586                 rt2x00dev->link.vgc_level = reg;
 587         } else if (rt2x00dev->link.qual.false_cca < 100 && reg > 0x08) {
 588                 rt2400pci_bbp_write(rt2x00dev, 13, --reg);
 589                 rt2x00dev->link.vgc_level = reg;
 590         }
 591 }
 592
 593 /*
 594  * Initialization functions.
 595  */
 596 static void rt2400pci_init_rxring(struct rt2x00_dev *rt2x00dev)
 597 {
 598         struct data_ring *ring = rt2x00dev->rx;
 599         struct data_desc *rxd;
 600         unsigned int i;
 601         u32 word;
 602
 603         memset(ring->data_addr, 0x00, rt2x00_get_ring_size(ring));
 604
 605         for (i = 0; i < ring->stats.limit; i++) {
 606                 rxd = ring->entry[i].priv;
 607
 608                 rt2x00_desc_read(rxd, 2, &word);
 609                 rt2x00_set_field32(&word, RXD_W2_BUFFER_LENGTH,
 610                                    ring->data_size);
 611                 rt2x00_desc_write(rxd, 2, word);
 612
 613                 rt2x00_desc_read(rxd, 1, &word);
 614                 rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS,
 615                                    ring->entry[i].data_dma);
 616                 rt2x00_desc_write(rxd, 1, word);
 617
 618                 rt2x00_desc_read(rxd, 0, &word);
 619                 rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
 620                 rt2x00_desc_write(rxd, 0, word);
 621         }
 622
 623         rt2x00_ring_index_clear(rt2x00dev->rx);
 624 }
 625
 626 static void rt2400pci_init_txring(struct rt2x00_dev *rt2x00dev, const int queue)
 627 {
 628         struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue);
 629         struct data_desc *txd;
 630         unsigned int i;
 631         u32 word;
 632
 633         memset(ring->data_addr, 0x00, rt2x00_get_ring_size(ring));
 634
 635         for (i = 0; i < ring->stats.limit; i++) {
 636                 txd = ring->entry[i].priv;
 637
 638                 rt2x00_desc_read(txd, 1, &word);
 639                 rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS,
 640                                    ring->entry[i].data_dma);
 641                 rt2x00_desc_write(txd, 1, word);
 642
 643                 rt2x00_desc_read(txd, 2, &word);
 644                 rt2x00_set_field32(&word, TXD_W2_BUFFER_LENGTH,
 645                                    ring->data_size);
 646                 rt2x00_desc_write(txd, 2, word);
 647
 648                 rt2x00_desc_read(txd, 0, &word);
 649                 rt2x00_set_field32(&word, TXD_W0_VALID, 0);
 650                 rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
 651                 rt2x00_desc_write(txd, 0, word);
 652         }
 653
 654         rt2x00_ring_index_clear(ring);
 655 }
 656
 657 static int rt2400pci_init_rings(struct rt2x00_dev *rt2x00dev)
 658 {
 659         u32 reg;
 660
 661         /*
 662          * Initialize rings.
 663          */
 664         rt2400pci_init_rxring(rt2x00dev);
 665         rt2400pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA0);
 666         rt2400pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA1);
 667         rt2400pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_AFTER_BEACON);
 668         rt2400pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
 669
 670         /*
 671          * Initialize registers.
 672          */
 673         rt2x00pci_register_read(rt2x00dev, TXCSR2, &reg);
 674         rt2x00_set_field32(&reg, TXCSR2_TXD_SIZE,
 675                            rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].desc_size);
 676         rt2x00_set_field32(&reg, TXCSR2_NUM_TXD,
 677                            rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].stats.limit);
 678         rt2x00_set_field32(&reg, TXCSR2_NUM_ATIM,
 679                            rt2x00dev->bcn[1].stats.limit);
 680         rt2x00_set_field32(&reg, TXCSR2_NUM_PRIO,
 681                            rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].stats.limit);
 682         rt2x00pci_register_write(rt2x00dev, TXCSR2, reg);
 683
 684         rt2x00pci_register_read(rt2x00dev, TXCSR3, &reg);
 685         rt2x00_set_field32(&reg, TXCSR3_TX_RING_REGISTER,
 686                            rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].data_dma);
 687         rt2x00pci_register_write(rt2x00dev, TXCSR3, reg);
 688
 689         rt2x00pci_register_read(rt2x00dev, TXCSR5, &reg);
 690         rt2x00_set_field32(&reg, TXCSR5_PRIO_RING_REGISTER,
 691                            rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].data_dma);
 692         rt2x00pci_register_write(rt2x00dev, TXCSR5, reg);
 693
 694         rt2x00pci_register_read(rt2x00dev, TXCSR4, &reg);
 695         rt2x00_set_field32(&reg, TXCSR4_ATIM_RING_REGISTER,
 696                            rt2x00dev->bcn[1].data_dma);
 697         rt2x00pci_register_write(rt2x00dev, TXCSR4, reg);
 698
 699         rt2x00pci_register_read(rt2x00dev, TXCSR6, &reg);
 700         rt2x00_set_field32(&reg, TXCSR6_BEACON_RING_REGISTER,
 701                            rt2x00dev->bcn[0].data_dma);
 702         rt2x00pci_register_write(rt2x00dev, TXCSR6, reg);
 703
 704         rt2x00pci_register_read(rt2x00dev, RXCSR1, &reg);
 705         rt2x00_set_field32(&reg, RXCSR1_RXD_SIZE, rt2x00dev->rx->desc_size);
 706         rt2x00_set_field32(&reg, RXCSR1_NUM_RXD, rt2x00dev->rx->stats.limit);
 707         rt2x00pci_register_write(rt2x00dev, RXCSR1, reg);
 708
 709         rt2x00pci_register_read(rt2x00dev, RXCSR2, &reg);
 710         rt2x00_set_field32(&reg, RXCSR2_RX_RING_REGISTER,
 711                            rt2x00dev->rx->data_dma);
 712         rt2x00pci_register_write(rt2x00dev, RXCSR2, reg);
 713
 714         return 0;
 715 }
 716
 717 static int rt2400pci_init_registers(struct rt2x00_dev *rt2x00dev)
 718 {
 719         u32 reg;
 720
 721         rt2x00pci_register_write(rt2x00dev, PSCSR0, 0x00020002);
 722         rt2x00pci_register_write(rt2x00dev, PSCSR1, 0x00000002);
 723         rt2x00pci_register_write(rt2x00dev, PSCSR2, 0x00023f20);
 724         rt2x00pci_register_write(rt2x00dev, PSCSR3, 0x00000002);
 725
 726         rt2x00pci_register_read(rt2x00dev, TIMECSR, &reg);
 727         rt2x00_set_field32(&reg, TIMECSR_US_COUNT, 33);
 728         rt2x00_set_field32(&reg, TIMECSR_US_64_COUNT, 63);
 729         rt2x00_set_field32(&reg, TIMECSR_BEACON_EXPECT, 0);
 730         rt2x00pci_register_write(rt2x00dev, TIMECSR, reg);
 731
 732         rt2x00pci_register_read(rt2x00dev, CSR9, &reg);
 733         rt2x00_set_field32(&reg, CSR9_MAX_FRAME_UNIT,
 734                            (rt2x00dev->rx->data_size / 128));
 735         rt2x00pci_register_write(rt2x00dev, CSR9, reg);
 736
 737         rt2x00pci_register_write(rt2x00dev, CNT3, 0x3f080000);
 738
 739         rt2x00pci_register_read(rt2x00dev, ARCSR0, &reg);
 740         rt2x00_set_field32(&reg, ARCSR0_AR_BBP_DATA0, 133);
 741         rt2x00_set_field32(&reg, ARCSR0_AR_BBP_ID0, 134);
 742         rt2x00_set_field32(&reg, ARCSR0_AR_BBP_DATA1, 136);
 743         rt2x00_set_field32(&reg, ARCSR0_AR_BBP_ID1, 135);
 744         rt2x00pci_register_write(rt2x00dev, ARCSR0, reg);
 745
 746         rt2x00pci_register_read(rt2x00dev, RXCSR3, &reg);
 747         rt2x00_set_field32(&reg, RXCSR3_BBP_ID0, 3); /* Tx power.*/
 748         rt2x00_set_field32(&reg, RXCSR3_BBP_ID0_VALID, 1);
 749         rt2x00_set_field32(&reg, RXCSR3_BBP_ID1, 32); /* Signal */
 750         rt2x00_set_field32(&reg, RXCSR3_BBP_ID1_VALID, 1);
 751         rt2x00_set_field32(&reg, RXCSR3_BBP_ID2, 36); /* Rssi */
 752         rt2x00_set_field32(&reg, RXCSR3_BBP_ID2_VALID, 1);
 753         rt2x00pci_register_write(rt2x00dev, RXCSR3, reg);
 754
 755         rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0x3f3b3100);
 756
 757         if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
 758                 return -EBUSY;
 759
 760         rt2x00pci_register_write(rt2x00dev, MACCSR0, 0x00217223);
 761         rt2x00pci_register_write(rt2x00dev, MACCSR1, 0x00235518);
 762
 763         rt2x00pci_register_read(rt2x00dev, MACCSR2, &reg);
 764         rt2x00_set_field32(&reg, MACCSR2_DELAY, 64);
 765         rt2x00pci_register_write(rt2x00dev, MACCSR2, reg);
 766
 767         rt2x00pci_register_read(rt2x00dev, RALINKCSR, &reg);
 768         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA0, 17);
 769         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID0, 154);
 770         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA1, 0);
 771         rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID1, 154);
 772         rt2x00pci_register_write(rt2x00dev, RALINKCSR, reg);
 773
 774         rt2x00pci_register_read(rt2x00dev, CSR1, &reg);
 775         rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 1);
 776         rt2x00_set_field32(&reg, CSR1_BBP_RESET, 0);
 777         rt2x00_set_field32(&reg, CSR1_HOST_READY, 0);
 778         rt2x00pci_register_write(rt2x00dev, CSR1, reg);
 779
 780         rt2x00pci_register_read(rt2x00dev, CSR1, &reg);
 781         rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 0);
 782         rt2x00_set_field32(&reg, CSR1_HOST_READY, 1);
 783         rt2x00pci_register_write(rt2x00dev, CSR1, reg);
 784
 785         /*
 786          * We must clear the FCS and FIFO error count.
 787          * These registers are cleared on read,
 788          * so we may pass a useless variable to store the value.
 789          */
 790         rt2x00pci_register_read(rt2x00dev, CNT0, &reg);
 791         rt2x00pci_register_read(rt2x00dev, CNT4, &reg);
 792
 793         return 0;
 794 }
 795
 796 static int rt2400pci_init_bbp(struct rt2x00_dev *rt2x00dev)
 797 {
 798         unsigned int i;
 799         u16 eeprom;
 800         u8 reg_id;
 801         u8 value;
 802
 803         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 804                 rt2400pci_bbp_read(rt2x00dev, 0, &value);
 805                 if ((value != 0xff) && (value != 0x00))
 806                         goto continue_csr_init;
 807                 NOTICE(rt2x00dev, "Waiting for BBP register.\n");
 808                 udelay(REGISTER_BUSY_DELAY);
 809         }
 810
 811         ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
 812         return -EACCES;
 813
 814 continue_csr_init:
 815         rt2400pci_bbp_write(rt2x00dev, 1, 0x00);
 816         rt2400pci_bbp_write(rt2x00dev, 3, 0x27);
 817         rt2400pci_bbp_write(rt2x00dev, 4, 0x08);
 818         rt2400pci_bbp_write(rt2x00dev, 10, 0x0f);
 819         rt2400pci_bbp_write(rt2x00dev, 15, 0x72);
 820         rt2400pci_bbp_write(rt2x00dev, 16, 0x74);
 821         rt2400pci_bbp_write(rt2x00dev, 17, 0x20);
 822         rt2400pci_bbp_write(rt2x00dev, 18, 0x72);
 823         rt2400pci_bbp_write(rt2x00dev, 19, 0x0b);
 824         rt2400pci_bbp_write(rt2x00dev, 20, 0x00);
 825         rt2400pci_bbp_write(rt2x00dev, 28, 0x11);
 826         rt2400pci_bbp_write(rt2x00dev, 29, 0x04);
 827         rt2400pci_bbp_write(rt2x00dev, 30, 0x21);
 828         rt2400pci_bbp_write(rt2x00dev, 31, 0x00);
 829
 830         DEBUG(rt2x00dev, "Start initialization from EEPROM...\n");
 831         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
 832                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
 833
 834                 if (eeprom != 0xffff && eeprom != 0x0000) {
 835                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
 836                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
 837                         DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n",
 838                               reg_id, value);
 839                         rt2400pci_bbp_write(rt2x00dev, reg_id, value);
 840                 }
 841         }
 842         DEBUG(rt2x00dev, "...End initialization from EEPROM.\n");
 843
 844         return 0;
 845 }
 846
 847 /*
 848  * Device state switch handlers.
 849  */
 850 static void rt2400pci_toggle_rx(struct rt2x00_dev *rt2x00dev,
 851                                 enum dev_state state)
 852 {
 853         u32 reg;
 854
 855         rt2x00pci_register_read(rt2x00dev, RXCSR0, &reg);
 856         rt2x00_set_field32(&reg, RXCSR0_DISABLE_RX,
 857                            state == STATE_RADIO_RX_OFF);
 858         rt2x00pci_register_write(rt2x00dev, RXCSR0, reg);
 859 }
 860
 861 static void rt2400pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
 862                                  enum dev_state state)
 863 {
 864         int mask = (state == STATE_RADIO_IRQ_OFF);
 865         u32 reg;
 866
 867         /*
 868          * When interrupts are being enabled, the interrupt registers
 869          * should clear the register to assure a clean state.
 870          */
 871         if (state == STATE_RADIO_IRQ_ON) {
 872                 rt2x00pci_register_read(rt2x00dev, CSR7, &reg);
 873                 rt2x00pci_register_write(rt2x00dev, CSR7, reg);
 874         }
 875
 876         /*
 877          * Only toggle the interrupts bits we are going to use.
 878          * Non-checked interrupt bits are disabled by default.
 879          */
 880         rt2x00pci_register_read(rt2x00dev, CSR8, &reg);
 881         rt2x00_set_field32(&reg, CSR8_TBCN_EXPIRE, mask);
 882         rt2x00_set_field32(&reg, CSR8_TXDONE_TXRING, mask);
 883         rt2x00_set_field32(&reg, CSR8_TXDONE_ATIMRING, mask);
 884         rt2x00_set_field32(&reg, CSR8_TXDONE_PRIORING, mask);
 885         rt2x00_set_field32(&reg, CSR8_RXDONE, mask);
 886         rt2x00pci_register_write(rt2x00dev, CSR8, reg);
 887 }
 888
 889 static int rt2400pci_enable_radio(struct rt2x00_dev *rt2x00dev)
 890 {
 891         /*
 892          * Initialize all registers.
 893          */
 894         if (rt2400pci_init_rings(rt2x00dev) ||
 895             rt2400pci_init_registers(rt2x00dev) ||
 896             rt2400pci_init_bbp(rt2x00dev)) {
 897                 ERROR(rt2x00dev, "Register initialization failed.\n");
 898                 return -EIO;
 899         }
 900
 901         /*
 902          * Enable interrupts.
 903          */
 904         rt2400pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_ON);
 905
 906         /*
 907          * Enable LED
 908          */
 909         rt2400pci_enable_led(rt2x00dev);
 910
 911         return 0;
 912 }
 913
 914 static void rt2400pci_disable_radio(struct rt2x00_dev *rt2x00dev)
 915 {
 916         u32 reg;
 917
 918         /*
 919          * Disable LED
 920          */
 921         rt2400pci_disable_led(rt2x00dev);
 922
 923         rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0);
 924
 925         /*
 926          * Disable synchronisation.
 927          */
 928         rt2x00pci_register_write(rt2x00dev, CSR14, 0);
 929
 930         /*
 931          * Cancel RX and TX.
 932          */
 933         rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
 934         rt2x00_set_field32(&reg, TXCSR0_ABORT, 1);
 935         rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
 936
 937         /*
 938          * Disable interrupts.
 939          */
 940         rt2400pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_OFF);
 941 }
 942
 943 static int rt2400pci_set_state(struct rt2x00_dev *rt2x00dev,
 944                                enum dev_state state)
 945 {
 946         u32 reg;
 947         unsigned int i;
 948         char put_to_sleep;
 949         char bbp_state;
 950         char rf_state;
 951
 952         put_to_sleep = (state != STATE_AWAKE);
 953
 954         rt2x00pci_register_read(rt2x00dev, PWRCSR1, &reg);
 955         rt2x00_set_field32(&reg, PWRCSR1_SET_STATE, 1);
 956         rt2x00_set_field32(&reg, PWRCSR1_BBP_DESIRE_STATE, state);
 957         rt2x00_set_field32(&reg, PWRCSR1_RF_DESIRE_STATE, state);
 958         rt2x00_set_field32(&reg, PWRCSR1_PUT_TO_SLEEP, put_to_sleep);
 959         rt2x00pci_register_write(rt2x00dev, PWRCSR1, reg);
 960
 961         /*
 962          * Device is not guaranteed to be in the requested state yet.
 963          * We must wait until the register indicates that the
 964          * device has entered the correct state.
 965          */
 966         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 967                 rt2x00pci_register_read(rt2x00dev, PWRCSR1, &reg);
 968                 bbp_state = rt2x00_get_field32(reg, PWRCSR1_BBP_CURR_STATE);
 969                 rf_state = rt2x00_get_field32(reg, PWRCSR1_RF_CURR_STATE);
 970                 if (bbp_state == state && rf_state == state)
 971                         return 0;
 972                 msleep(10);
 973         }
 974
 975         NOTICE(rt2x00dev, "Device failed to enter state %d, "
 976                "current device state: bbp %d and rf %d.\n",
 977                state, bbp_state, rf_state);
 978
 979         return -EBUSY;
 980 }
 981
 982 static int rt2400pci_set_device_state(struct rt2x00_dev *rt2x00dev,
 983                                       enum dev_state state)
 984 {
 985         int retval = 0;
 986
 987         switch (state) {
 988         case STATE_RADIO_ON:
 989                 retval = rt2400pci_enable_radio(rt2x00dev);
 990                 break;
 991         case STATE_RADIO_OFF:
 992                 rt2400pci_disable_radio(rt2x00dev);
 993                 break;
 994         case STATE_RADIO_RX_ON:
 995         case STATE_RADIO_RX_OFF:
 996                 rt2400pci_toggle_rx(rt2x00dev, state);
 997                 break;
 998         case STATE_DEEP_SLEEP:
 999         case STATE_SLEEP:
1000         case STATE_STANDBY:
1001         case STATE_AWAKE:
1002                 retval = rt2400pci_set_state(rt2x00dev, state);
1003                 break;
1004         default:
1005                 retval = -ENOTSUPP;
1006                 break;
1007         }
1008
1009         return retval;
1010 }
1011
1012 /*
1013  * TX descriptor initialization
1014  */
1015 static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1016                                     struct data_desc *txd,
1017                                     struct txdata_entry_desc *desc,
1018                                     struct ieee80211_hdr *ieee80211hdr,
1019                                     unsigned int length,
1020                                     struct ieee80211_tx_control *control)
1021 {
1022         u32 word;
1023         u32 signal = 0;
1024         u32 service = 0;
1025         u32 length_high = 0;
1026         u32 length_low = 0;
1027
1028         /*
1029          * The PLCP values should be treated as if they
1030          * were BBP values.
1031          */
1032         rt2x00_set_field32(&signal, BBPCSR_VALUE, desc->signal);
1033         rt2x00_set_field32(&signal, BBPCSR_REGNUM, 5);
1034         rt2x00_set_field32(&signal, BBPCSR_BUSY, 1);
1035
1036         rt2x00_set_field32(&service, BBPCSR_VALUE, desc->service);
1037         rt2x00_set_field32(&service, BBPCSR_REGNUM, 6);
1038         rt2x00_set_field32(&service, BBPCSR_BUSY, 1);
1039
1040         rt2x00_set_field32(&length_high, BBPCSR_VALUE, desc->length_high);
1041         rt2x00_set_field32(&length_high, BBPCSR_REGNUM, 7);
1042         rt2x00_set_field32(&length_high, BBPCSR_BUSY, 1);
1043
1044         rt2x00_set_field32(&length_low, BBPCSR_VALUE, desc->length_low);
1045         rt2x00_set_field32(&length_low, BBPCSR_REGNUM, 8);
1046         rt2x00_set_field32(&length_low, BBPCSR_BUSY, 1);
1047
1048         /*
1049          * Start writing the descriptor words.
1050          */
1051         rt2x00_desc_read(txd, 2, &word);
1052         rt2x00_set_field32(&word, TXD_W2_DATABYTE_COUNT, length);
1053         rt2x00_desc_write(txd, 2, word);
1054
1055         rt2x00_desc_read(txd, 3, &word);
1056         rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL, signal);
1057         rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE, service);
1058         rt2x00_desc_write(txd, 3, word);
1059
1060         rt2x00_desc_read(txd, 4, &word);
1061         rt2x00_set_field32(&word, TXD_W4_PLCP_LENGTH_LOW, length_low);
1062         rt2x00_set_field32(&word, TXD_W4_PLCP_LENGTH_HIGH, length_high);
1063         rt2x00_desc_write(txd, 4, word);
1064
1065         rt2x00_desc_read(txd, 0, &word);
1066         rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1);
1067         rt2x00_set_field32(&word, TXD_W0_VALID, 1);
1068         rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1069                            test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags));
1070         rt2x00_set_field32(&word, TXD_W0_ACK,
1071                            !(control->flags & IEEE80211_TXCTL_NO_ACK));
1072         rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1073                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags));
1074         rt2x00_set_field32(&word, TXD_W0_RTS,
1075                            test_bit(ENTRY_TXD_RTS_FRAME, &desc->flags));
1076         rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs);
1077         rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
1078                            !!(control->flags &
1079                               IEEE80211_TXCTL_LONG_RETRY_LIMIT));
1080         rt2x00_desc_write(txd, 0, word);
1081 }
1082
1083 /*
1084  * TX data initialization
1085  */
1086 static void rt2400pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1087                                     unsigned int queue)
1088 {
1089         u32 reg;
1090
1091         if (queue == IEEE80211_TX_QUEUE_BEACON) {
1092                 rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
1093                 if (!rt2x00_get_field32(reg, CSR14_BEACON_GEN)) {
1094                         rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 1);
1095                         rt2x00pci_register_write(rt2x00dev, CSR14, reg);
1096                 }
1097                 return;
1098         }
1099
1100         rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
1101         if (queue == IEEE80211_TX_QUEUE_DATA0)
1102                 rt2x00_set_field32(&reg, TXCSR0_KICK_PRIO, 1);
1103         else if (queue == IEEE80211_TX_QUEUE_DATA1)
1104                 rt2x00_set_field32(&reg, TXCSR0_KICK_TX, 1);
1105         else if (queue == IEEE80211_TX_QUEUE_AFTER_BEACON)
1106                 rt2x00_set_field32(&reg, TXCSR0_KICK_ATIM, 1);
1107         rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
1108 }
1109
1110 /*
1111  * RX control handlers
1112  */
1113 static void rt2400pci_fill_rxdone(struct data_entry *entry,
1114                                   struct rxdata_entry_desc *desc)
1115 {
1116         struct data_desc *rxd = entry->priv;
1117         u32 word0;
1118         u32 word2;
1119
1120         rt2x00_desc_read(rxd, 0, &word0);
1121         rt2x00_desc_read(rxd, 2, &word2);
1122
1123         desc->flags = 0;
1124         if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1125                 desc->flags |= RX_FLAG_FAILED_FCS_CRC;
1126         if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
1127                 desc->flags |= RX_FLAG_FAILED_PLCP_CRC;
1128
1129         /*
1130          * Obtain the status about this packet.
1131          */
1132         desc->signal = rt2x00_get_field32(word2, RXD_W2_SIGNAL);
1133         desc->rssi = rt2x00_get_field32(word2, RXD_W2_RSSI) -
1134             entry->ring->rt2x00dev->rssi_offset;
1135         desc->ofdm = 0;
1136         desc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
1137 }
1138
1139 /*
1140  * Interrupt functions.
1141  */
1142 static void rt2400pci_txdone(struct rt2x00_dev *rt2x00dev, const int queue)
1143 {
1144         struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue);
1145         struct data_entry *entry;
1146         struct data_desc *txd;
1147         u32 word;
1148         int tx_status;
1149         int retry;
1150
1151         while (!rt2x00_ring_empty(ring)) {
1152                 entry = rt2x00_get_data_entry_done(ring);
1153                 txd = entry->priv;
1154                 rt2x00_desc_read(txd, 0, &word);
1155
1156                 if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
1157                     !rt2x00_get_field32(word, TXD_W0_VALID))
1158                         break;
1159
1160                 /*
1161                  * Obtain the status about this packet.
1162                  */
1163                 tx_status = rt2x00_get_field32(word, TXD_W0_RESULT);
1164                 retry = rt2x00_get_field32(word, TXD_W0_RETRY_COUNT);
1165
1166                 rt2x00lib_txdone(entry, tx_status, retry);
1167
1168                 /*
1169                  * Make this entry available for reuse.
1170                  */
1171                 entry->flags = 0;
1172                 rt2x00_set_field32(&word, TXD_W0_VALID, 0);
1173                 rt2x00_desc_write(txd, 0, word);
1174                 rt2x00_ring_index_done_inc(ring);
1175         }
1176
1177         /*
1178          * If the data ring was full before the txdone handler
1179          * we must make sure the packet queue in the mac80211 stack
1180          * is reenabled when the txdone handler has finished.
1181          */
1182         entry = ring->entry;
1183         if (!rt2x00_ring_full(ring))
1184                 ieee80211_wake_queue(rt2x00dev->hw,
1185                                      entry->tx_status.control.queue);
1186 }
1187
1188 static irqreturn_t rt2400pci_interrupt(int irq, void *dev_instance)
1189 {
1190         struct rt2x00_dev *rt2x00dev = dev_instance;
1191         u32 reg;
1192
1193         /*
1194          * Get the interrupt sources & saved to local variable.
1195          * Write register value back to clear pending interrupts.
1196          */
1197         rt2x00pci_register_read(rt2x00dev, CSR7, &reg);
1198         rt2x00pci_register_write(rt2x00dev, CSR7, reg);
1199
1200         if (!reg)
1201                 return IRQ_NONE;
1202
1203         if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
1204                 return IRQ_HANDLED;
1205
1206         /*
1207          * Handle interrupts, walk through all bits
1208          * and run the tasks, the bits are checked in order of
1209          * priority.
1210          */
1211
1212         /*
1213          * 1 - Beacon timer expired interrupt.
1214          */
1215         if (rt2x00_get_field32(reg, CSR7_TBCN_EXPIRE))
1216                 rt2x00lib_beacondone(rt2x00dev);
1217
1218         /*
1219          * 2 - Rx ring done interrupt.
1220          */
1221         if (rt2x00_get_field32(reg, CSR7_RXDONE))
1222                 rt2x00pci_rxdone(rt2x00dev);
1223
1224         /*
1225          * 3 - Atim ring transmit done interrupt.
1226          */
1227         if (rt2x00_get_field32(reg, CSR7_TXDONE_ATIMRING))
1228                 rt2400pci_txdone(rt2x00dev, IEEE80211_TX_QUEUE_AFTER_BEACON);
1229
1230         /*
1231          * 4 - Priority ring transmit done interrupt.
1232          */
1233         if (rt2x00_get_field32(reg, CSR7_TXDONE_PRIORING))
1234                 rt2400pci_txdone(rt2x00dev, IEEE80211_TX_QUEUE_DATA0);
1235
1236         /*
1237          * 5 - Tx ring transmit done interrupt.
1238          */
1239         if (rt2x00_get_field32(reg, CSR7_TXDONE_TXRING))
1240                 rt2400pci_txdone(rt2x00dev, IEEE80211_TX_QUEUE_DATA1);
1241
1242         return IRQ_HANDLED;
1243 }
1244
1245 /*
1246  * Device probe functions.
1247  */
1248 static int rt2400pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
1249 {
1250         struct eeprom_93cx6 eeprom;
1251         u32 reg;
1252         u16 word;
1253         u8 *mac;
1254
1255         rt2x00pci_register_read(rt2x00dev, CSR21, &reg);
1256
1257         eeprom.data = rt2x00dev;
1258         eeprom.register_read = rt2400pci_eepromregister_read;
1259         eeprom.register_write = rt2400pci_eepromregister_write;
1260         eeprom.width = rt2x00_get_field32(reg, CSR21_TYPE_93C46) ?
1261             PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66;
1262         eeprom.reg_data_in = 0;
1263         eeprom.reg_data_out = 0;
1264         eeprom.reg_data_clock = 0;
1265         eeprom.reg_chip_select = 0;
1266
1267         eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
1268                                EEPROM_SIZE / sizeof(u16));
1269
1270         /*
1271          * Start validation of the data that has been read.
1272          */
1273         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
1274         if (!is_valid_ether_addr(mac)) {
1275                 DECLARE_MAC_BUF(macbuf);
1276
1277                 random_ether_addr(mac);
1278                 EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
1279         }
1280
1281         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
1282         if (word == 0xffff) {
1283                 ERROR(rt2x00dev, "Invalid EEPROM data detected.\n");
1284                 return -EINVAL;
1285         }
1286
1287         return 0;
1288 }
1289
1290 static int rt2400pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
1291 {
1292         u32 reg;
1293         u16 value;
1294         u16 eeprom;
1295
1296         /*
1297          * Read EEPROM word for configuration.
1298          */
1299         rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
1300
1301         /*
1302          * Identify RF chipset.
1303          */
1304         value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
1305         rt2x00pci_register_read(rt2x00dev, CSR0, &reg);
1306         rt2x00_set_chip(rt2x00dev, RT2460, value, reg);
1307
1308         if (!rt2x00_rf(&rt2x00dev->chip, RF2420) &&
1309             !rt2x00_rf(&rt2x00dev->chip, RF2421)) {
1310                 ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
1311                 return -ENODEV;
1312         }
1313
1314         /*
1315          * Identify default antenna configuration.
1316          */
1317         rt2x00dev->default_ant.tx =
1318             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
1319         rt2x00dev->default_ant.rx =
1320             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
1321
1322         /*
1323          * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead.
1324          * I am not 100% sure about this, but the legacy drivers do not
1325          * indicate antenna swapping in software is required when
1326          * diversity is enabled.
1327          */
1328         if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
1329                 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY;
1330         if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
1331                 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY;
1332
1333         /*
1334          * Store led mode, for correct led behaviour.
1335          */
1336         rt2x00dev->led_mode =
1337             rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
1338
1339         /*
1340          * Detect if this device has an hardware controlled radio.
1341          */
1342 #ifdef CONFIG_RT2400PCI_RFKILL
1343         if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
1344                 __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
1345 #endif /* CONFIG_RT2400PCI_RFKILL */
1346
1347         /*
1348          * Check if the BBP tuning should be enabled.
1349          */
1350         if (!rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_AGCVGC_TUNING))
1351                 __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
1352
1353         return 0;
1354 }
1355
1356 /*
1357  * RF value list for RF2420 & RF2421
1358  * Supports: 2.4 GHz
1359  */
1360 static const struct rf_channel rf_vals_bg[] = {
1361         { 1,  0x00022058, 0x000c1fda, 0x00000101, 0 },
1362         { 2,  0x00022058, 0x000c1fee, 0x00000101, 0 },
1363         { 3,  0x00022058, 0x000c2002, 0x00000101, 0 },
1364         { 4,  0x00022058, 0x000c2016, 0x00000101, 0 },
1365         { 5,  0x00022058, 0x000c202a, 0x00000101, 0 },
1366         { 6,  0x00022058, 0x000c203e, 0x00000101, 0 },
1367         { 7,  0x00022058, 0x000c2052, 0x00000101, 0 },
1368         { 8,  0x00022058, 0x000c2066, 0x00000101, 0 },
1369         { 9,  0x00022058, 0x000c207a, 0x00000101, 0 },
1370         { 10, 0x00022058, 0x000c208e, 0x00000101, 0 },
1371         { 11, 0x00022058, 0x000c20a2, 0x00000101, 0 },
1372         { 12, 0x00022058, 0x000c20b6, 0x00000101, 0 },
1373         { 13, 0x00022058, 0x000c20ca, 0x00000101, 0 },
1374         { 14, 0x00022058, 0x000c20fa, 0x00000101, 0 },
1375 };
1376
1377 static void rt2400pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
1378 {
1379         struct hw_mode_spec *spec = &rt2x00dev->spec;
1380         u8 *txpower;
1381         unsigned int i;
1382
1383         /*
1384          * Initialize all hw fields.
1385          */
1386         rt2x00dev->hw->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
1387         rt2x00dev->hw->extra_tx_headroom = 0;
1388         rt2x00dev->hw->max_signal = MAX_SIGNAL;
1389         rt2x00dev->hw->max_rssi = MAX_RX_SSI;
1390         rt2x00dev->hw->queues = 2;
1391
1392         SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_pci(rt2x00dev)->dev);
1393         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
1394                                 rt2x00_eeprom_addr(rt2x00dev,
1395                                                    EEPROM_MAC_ADDR_0));
1396
1397         /*
1398          * Convert tx_power array in eeprom.
1399          */
1400         txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
1401         for (i = 0; i < 14; i++)
1402                 txpower[i] = TXPOWER_FROM_DEV(txpower[i]);
1403
1404         /*
1405          * Initialize hw_mode information.
1406          */
1407         spec->num_modes = 1;
1408         spec->num_rates = 4;
1409         spec->tx_power_a = NULL;
1410         spec->tx_power_bg = txpower;
1411         spec->tx_power_default = DEFAULT_TXPOWER;
1412
1413         spec->num_channels = ARRAY_SIZE(rf_vals_bg);
1414         spec->channels = rf_vals_bg;
1415 }
1416
1417 static int rt2400pci_probe_hw(struct rt2x00_dev *rt2x00dev)
1418 {
1419         int retval;
1420
1421         /*
1422          * Allocate eeprom data.
1423          */
1424         retval = rt2400pci_validate_eeprom(rt2x00dev);
1425         if (retval)
1426                 return retval;
1427
1428         retval = rt2400pci_init_eeprom(rt2x00dev);
1429         if (retval)
1430                 return retval;
1431
1432         /*
1433          * Initialize hw specifications.
1434          */
1435         rt2400pci_probe_hw_mode(rt2x00dev);
1436
1437         /*
1438          * This device requires the beacon ring
1439          */
1440         __set_bit(DRIVER_REQUIRE_BEACON_RING, &rt2x00dev->flags);
1441
1442         /*
1443          * Set the rssi offset.
1444          */
1445         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1446
1447         return 0;
1448 }
1449
1450 /*
1451  * IEEE80211 stack callback functions.
1452  */
1453 static void rt2400pci_configure_filter(struct ieee80211_hw *hw,
1454                                        unsigned int changed_flags,
1455                                        unsigned int *total_flags,
1456                                        int mc_count,
1457                                        struct dev_addr_list *mc_list)
1458 {
1459         struct rt2x00_dev *rt2x00dev = hw->priv;
1460         struct interface *intf = &rt2x00dev->interface;
1461         u32 reg;
1462
1463         /*
1464          * Mask off any flags we are going to ignore from
1465          * the total_flags field.
1466          */
1467         *total_flags &=
1468             FIF_ALLMULTI |
1469             FIF_FCSFAIL |
1470             FIF_PLCPFAIL |
1471             FIF_CONTROL |
1472             FIF_OTHER_BSS |
1473             FIF_PROMISC_IN_BSS;
1474
1475         /*
1476          * Apply some rules to the filters:
1477          * - Some filters imply different filters to be set.
1478          * - Some things we can't filter out at all.
1479          * - Some filters are set based on interface type.
1480          */
1481         *total_flags |= FIF_ALLMULTI;
1482         if (*total_flags & FIF_OTHER_BSS ||
1483             *total_flags & FIF_PROMISC_IN_BSS)
1484                 *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS;
1485         if (is_interface_type(intf, IEEE80211_IF_TYPE_AP))
1486                 *total_flags |= FIF_PROMISC_IN_BSS;
1487
1488         /*
1489          * Check if there is any work left for us.
1490          */
1491         if (intf->filter == *total_flags)
1492                 return;
1493         intf->filter = *total_flags;
1494
1495         /*
1496          * Start configuration steps.
1497          * Note that the version error will always be dropped
1498          * since there is no filter for it at this time.
1499          */
1500         rt2x00pci_register_read(rt2x00dev, RXCSR0, &reg);
1501         rt2x00_set_field32(&reg, RXCSR0_DROP_CRC,
1502                            !(*total_flags & FIF_FCSFAIL));
1503         rt2x00_set_field32(&reg, RXCSR0_DROP_PHYSICAL,
1504                            !(*total_flags & FIF_PLCPFAIL));
1505         rt2x00_set_field32(&reg, RXCSR0_DROP_CONTROL,
1506                            !(*total_flags & FIF_CONTROL));
1507         rt2x00_set_field32(&reg, RXCSR0_DROP_NOT_TO_ME,
1508                            !(*total_flags & FIF_PROMISC_IN_BSS));
1509         rt2x00_set_field32(&reg, RXCSR0_DROP_TODS,
1510                            !(*total_flags & FIF_PROMISC_IN_BSS));
1511         rt2x00_set_field32(&reg, RXCSR0_DROP_VERSION_ERROR, 1);
1512         rt2x00pci_register_write(rt2x00dev, RXCSR0, reg);
1513 }
1514
1515 static int rt2400pci_set_retry_limit(struct ieee80211_hw *hw,
1516                                      u32 short_retry, u32 long_retry)
1517 {
1518         struct rt2x00_dev *rt2x00dev = hw->priv;
1519         u32 reg;
1520
1521         rt2x00pci_register_read(rt2x00dev, CSR11, &reg);
1522         rt2x00_set_field32(&reg, CSR11_LONG_RETRY, long_retry);
1523         rt2x00_set_field32(&reg, CSR11_SHORT_RETRY, short_retry);
1524         rt2x00pci_register_write(rt2x00dev, CSR11, reg);
1525
1526         return 0;
1527 }
1528
1529 static int rt2400pci_conf_tx(struct ieee80211_hw *hw,
1530                              int queue,
1531                              const struct ieee80211_tx_queue_params *params)
1532 {
1533         struct rt2x00_dev *rt2x00dev = hw->priv;
1534
1535         /*
1536          * We don't support variating cw_min and cw_max variables
1537          * per queue. So by default we only configure the TX queue,
1538          * and ignore all other configurations.
1539          */
1540         if (queue != IEEE80211_TX_QUEUE_DATA0)
1541                 return -EINVAL;
1542
1543         if (rt2x00mac_conf_tx(hw, queue, params))
1544                 return -EINVAL;
1545
1546         /*
1547          * Write configuration to register.
1548          */
1549         rt2400pci_config_cw(rt2x00dev, &rt2x00dev->tx->tx_params);
1550
1551         return 0;
1552 }
1553
1554 static u64 rt2400pci_get_tsf(struct ieee80211_hw *hw)
1555 {
1556         struct rt2x00_dev *rt2x00dev = hw->priv;
1557         u64 tsf;
1558         u32 reg;
1559
1560         rt2x00pci_register_read(rt2x00dev, CSR17, &reg);
1561         tsf = (u64) rt2x00_get_field32(reg, CSR17_HIGH_TSFTIMER) << 32;
1562         rt2x00pci_register_read(rt2x00dev, CSR16, &reg);
1563         tsf |= rt2x00_get_field32(reg, CSR16_LOW_TSFTIMER);
1564
1565         return tsf;
1566 }
1567
1568 static void rt2400pci_reset_tsf(struct ieee80211_hw *hw)
1569 {
1570         struct rt2x00_dev *rt2x00dev = hw->priv;
1571
1572         rt2x00pci_register_write(rt2x00dev, CSR16, 0);
1573         rt2x00pci_register_write(rt2x00dev, CSR17, 0);
1574 }
1575
1576 static int rt2400pci_tx_last_beacon(struct ieee80211_hw *hw)
1577 {
1578         struct rt2x00_dev *rt2x00dev = hw->priv;
1579         u32 reg;
1580
1581         rt2x00pci_register_read(rt2x00dev, CSR15, &reg);
1582         return rt2x00_get_field32(reg, CSR15_BEACON_SENT);
1583 }
1584
1585 static const struct ieee80211_ops rt2400pci_mac80211_ops = {
1586         .tx                     = rt2x00mac_tx,
1587         .start                  = rt2x00mac_start,
1588         .stop                   = rt2x00mac_stop,
1589         .add_interface          = rt2x00mac_add_interface,
1590         .remove_interface       = rt2x00mac_remove_interface,
1591         .config                 = rt2x00mac_config,
1592         .config_interface       = rt2x00mac_config_interface,
1593         .configure_filter       = rt2400pci_configure_filter,
1594         .get_stats              = rt2x00mac_get_stats,
1595         .set_retry_limit        = rt2400pci_set_retry_limit,
1596         .erp_ie_changed         = rt2x00mac_erp_ie_changed,
1597         .conf_tx                = rt2400pci_conf_tx,
1598         .get_tx_stats           = rt2x00mac_get_tx_stats,
1599         .get_tsf                = rt2400pci_get_tsf,
1600         .reset_tsf              = rt2400pci_reset_tsf,
1601         .beacon_update          = rt2x00pci_beacon_update,
1602         .tx_last_beacon         = rt2400pci_tx_last_beacon,
1603 };
1604
1605 static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = {
1606         .irq_handler            = rt2400pci_interrupt,
1607         .probe_hw               = rt2400pci_probe_hw,
1608         .initialize             = rt2x00pci_initialize,
1609         .uninitialize           = rt2x00pci_uninitialize,
1610         .set_device_state       = rt2400pci_set_device_state,
1611         .rfkill_poll            = rt2400pci_rfkill_poll,
1612         .link_stats             = rt2400pci_link_stats,
1613         .reset_tuner            = rt2400pci_reset_tuner,
1614         .link_tuner             = rt2400pci_link_tuner,
1615         .write_tx_desc          = rt2400pci_write_tx_desc,
1616         .write_tx_data          = rt2x00pci_write_tx_data,
1617         .kick_tx_queue          = rt2400pci_kick_tx_queue,
1618         .fill_rxdone            = rt2400pci_fill_rxdone,
1619         .config_mac_addr        = rt2400pci_config_mac_addr,
1620         .config_bssid           = rt2400pci_config_bssid,
1621         .config_type            = rt2400pci_config_type,
1622         .config_preamble        = rt2400pci_config_preamble,
1623         .config                 = rt2400pci_config,
1624 };
1625
1626 static const struct rt2x00_ops rt2400pci_ops = {
1627         .name           = DRV_NAME,
1628         .rxd_size       = RXD_DESC_SIZE,
1629         .txd_size       = TXD_DESC_SIZE,
1630         .eeprom_size    = EEPROM_SIZE,
1631         .rf_size        = RF_SIZE,
1632         .lib            = &rt2400pci_rt2x00_ops,
1633         .hw             = &rt2400pci_mac80211_ops,
1634 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1635         .debugfs        = &rt2400pci_rt2x00debug,
1636 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1637 };
1638
1639 /*
1640  * RT2400pci module information.
1641  */
1642 static struct pci_device_id rt2400pci_device_table[] = {
1643         { PCI_DEVICE(0x1814, 0x0101), PCI_DEVICE_DATA(&rt2400pci_ops) },
1644         { 0, }
1645 };
1646
1647 MODULE_AUTHOR(DRV_PROJECT);
1648 MODULE_VERSION(DRV_VERSION);
1649 MODULE_DESCRIPTION("Ralink RT2400 PCI & PCMCIA Wireless LAN driver.");
1650 MODULE_SUPPORTED_DEVICE("Ralink RT2460 PCI & PCMCIA chipset based cards");
1651 MODULE_DEVICE_TABLE(pci, rt2400pci_device_table);
1652 MODULE_LICENSE("GPL");
1653
1654 static struct pci_driver rt2400pci_driver = {
1655         .name           = DRV_NAME,
1656         .id_table       = rt2400pci_device_table,
1657         .probe          = rt2x00pci_probe,
1658         .remove         = __devexit_p(rt2x00pci_remove),
1659         .suspend        = rt2x00pci_suspend,
1660         .resume         = rt2x00pci_resume,
1661 };
1662
1663 static int __init rt2400pci_init(void)
1664 {
1665         return pci_register_driver(&rt2400pci_driver);
1666 }
1667
1668 static void __exit rt2400pci_exit(void)
1669 {
1670         pci_unregister_driver(&rt2400pci_driver);
1671 }
1672
1673 module_init(rt2400pci_init);
1674 module_exit(rt2400pci_exit);