drivers/net/wireless/rt2x00/rt2800pci.c

   1 /*
   2         Copyright (C) 2009 Ivo van Doorn <IvDoorn@gmail.com>
   3         Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
   4         Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
   5         Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
   6         Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
   7         Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
   8         Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
   9         Copyright (C) 2009 Bart Zolnierkiewicz <bzolnier@gmail.com>
  10         <http://rt2x00.serialmonkey.com>
  11
  12         This program is free software; you can redistribute it and/or modify
  13         it under the terms of the GNU General Public License as published by
  14         the Free Software Foundation; either version 2 of the License, or
  15         (at your option) any later version.
  16
  17         This program is distributed in the hope that it will be useful,
  18         but WITHOUT ANY WARRANTY; without even the implied warranty of
  19         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  20         GNU General Public License for more details.
  21
  22         You should have received a copy of the GNU General Public License
  23         along with this program; if not, write to the
  24         Free Software Foundation, Inc.,
  25         59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  26  */
  27
  28 /*
  29         Module: rt2800pci
  30         Abstract: rt2800pci device specific routines.
  31         Supported chipsets: RT2800E & RT2800ED.
  32  */
  33
  34 #include <linux/crc-ccitt.h>
  35 #include <linux/delay.h>
  36 #include <linux/etherdevice.h>
  37 #include <linux/init.h>
  38 #include <linux/kernel.h>
  39 #include <linux/module.h>
  40 #include <linux/pci.h>
  41 #include <linux/platform_device.h>
  42 #include <linux/eeprom_93cx6.h>
  43
  44 #include "rt2x00.h"
  45 #include "rt2x00pci.h"
  46 #include "rt2x00soc.h"
  47 #include "rt2800lib.h"
  48 #include "rt2800.h"
  49 #include "rt2800pci.h"
  50
  51 /*
  52  * Allow hardware encryption to be disabled.
  53  */
  54 static int modparam_nohwcrypt = 1;
  55 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
  56 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
  57
  58 static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
  59 {
  60         unsigned int i;
  61         u32 reg;
  62
  63         /*
  64          * SOC devices don't support MCU requests.
  65          */
  66         if (rt2x00_is_soc(rt2x00dev))
  67                 return;
  68
  69         for (i = 0; i < 200; i++) {
  70                 rt2800_register_read(rt2x00dev, H2M_MAILBOX_CID, &reg);
  71
  72                 if ((rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD0) == token) ||
  73                     (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD1) == token) ||
  74                     (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD2) == token) ||
  75                     (rt2x00_get_field32(reg, H2M_MAILBOX_CID_CMD3) == token))
  76                         break;
  77
  78                 udelay(REGISTER_BUSY_DELAY);
  79         }
  80
  81         if (i == 200)
  82                 ERROR(rt2x00dev, "MCU request failed, no response from hardware\n");
  83
  84         rt2800_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
  85         rt2800_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
  86 }
  87
  88 #ifdef CONFIG_RT2800PCI_SOC
  89 static void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
  90 {
  91         u32 *base_addr = (u32 *) KSEG1ADDR(0x1F040000); /* XXX for RT3052 */
  92
  93         memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
  94 }
  95 #else
  96 static inline void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
  97 {
  98 }
  99 #endif /* CONFIG_RT2800PCI_SOC */
 100
 101 #ifdef CONFIG_RT2800PCI_PCI
 102 static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
 103 {
 104         struct rt2x00_dev *rt2x00dev = eeprom->data;
 105         u32 reg;
 106
 107         rt2800_register_read(rt2x00dev, E2PROM_CSR, &reg);
 108
 109         eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN);
 110         eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT);
 111         eeprom->reg_data_clock =
 112             !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK);
 113         eeprom->reg_chip_select =
 114             !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT);
 115 }
 116
 117 static void rt2800pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
 118 {
 119         struct rt2x00_dev *rt2x00dev = eeprom->data;
 120         u32 reg = 0;
 121
 122         rt2x00_set_field32(&reg, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in);
 123         rt2x00_set_field32(&reg, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out);
 124         rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK,
 125                            !!eeprom->reg_data_clock);
 126         rt2x00_set_field32(&reg, E2PROM_CSR_CHIP_SELECT,
 127                            !!eeprom->reg_chip_select);
 128
 129         rt2800_register_write(rt2x00dev, E2PROM_CSR, reg);
 130 }
 131
 132 static void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
 133 {
 134         struct eeprom_93cx6 eeprom;
 135         u32 reg;
 136
 137         rt2800_register_read(rt2x00dev, E2PROM_CSR, &reg);
 138
 139         eeprom.data = rt2x00dev;
 140         eeprom.register_read = rt2800pci_eepromregister_read;
 141         eeprom.register_write = rt2800pci_eepromregister_write;
 142         eeprom.width = !rt2x00_get_field32(reg, E2PROM_CSR_TYPE) ?
 143             PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66;
 144         eeprom.reg_data_in = 0;
 145         eeprom.reg_data_out = 0;
 146         eeprom.reg_data_clock = 0;
 147         eeprom.reg_chip_select = 0;
 148
 149         eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom,
 150                                EEPROM_SIZE / sizeof(u16));
 151 }
 152
 153 static int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
 154 {
 155         return rt2800_efuse_detect(rt2x00dev);
 156 }
 157
 158 static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
 159 {
 160         rt2800_read_eeprom_efuse(rt2x00dev);
 161 }
 162 #else
 163 static inline void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev)
 164 {
 165 }
 166
 167 static inline int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
 168 {
 169         return 0;
 170 }
 171
 172 static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
 173 {
 174 }
 175 #endif /* CONFIG_RT2800PCI_PCI */
 176
 177 /*
 178  * Firmware functions
 179  */
 180 static char *rt2800pci_get_firmware_name(struct rt2x00_dev *rt2x00dev)
 181 {
 182         return FIRMWARE_RT2860;
 183 }
 184
 185 static int rt2800pci_check_firmware(struct rt2x00_dev *rt2x00dev,
 186                                     const u8 *data, const size_t len)
 187 {
 188         u16 fw_crc;
 189         u16 crc;
 190
 191         /*
 192          * Only support 8kb firmware files.
 193          */
 194         if (len != 8192)
 195                 return FW_BAD_LENGTH;
 196
 197         /*
 198          * The last 2 bytes in the firmware array are the crc checksum itself,
 199          * this means that we should never pass those 2 bytes to the crc
 200          * algorithm.
 201          */
 202         fw_crc = (data[len - 2] << 8 | data[len - 1]);
 203
 204         /*
 205          * Use the crc ccitt algorithm.
 206          * This will return the same value as the legacy driver which
 207          * used bit ordering reversion on the both the firmware bytes
 208          * before input input as well as on the final output.
 209          * Obviously using crc ccitt directly is much more efficient.
 210          */
 211         crc = crc_ccitt(~0, data, len - 2);
 212
 213         /*
 214          * There is a small difference between the crc-itu-t + bitrev and
 215          * the crc-ccitt crc calculation. In the latter method the 2 bytes
 216          * will be swapped, use swab16 to convert the crc to the correct
 217          * value.
 218          */
 219         crc = swab16(crc);
 220
 221         return (fw_crc == crc) ? FW_OK : FW_BAD_CRC;
 222 }
 223
 224 static int rt2800pci_load_firmware(struct rt2x00_dev *rt2x00dev,
 225                                    const u8 *data, const size_t len)
 226 {
 227         unsigned int i;
 228         u32 reg;
 229
 230         /*
 231          * Wait for stable hardware.
 232          */
 233         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 234                 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
 235                 if (reg && reg != ~0)
 236                         break;
 237                 msleep(1);
 238         }
 239
 240         if (i == REGISTER_BUSY_COUNT) {
 241                 ERROR(rt2x00dev, "Unstable hardware.\n");
 242                 return -EBUSY;
 243         }
 244
 245         rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002);
 246         rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000);
 247
 248         /*
 249          * Disable DMA, will be reenabled later when enabling
 250          * the radio.
 251          */
 252         rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
 253         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
 254         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
 255         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
 256         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
 257         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
 258         rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
 259
 260         /*
 261          * enable Host program ram write selection
 262          */
 263         reg = 0;
 264         rt2x00_set_field32(&reg, PBF_SYS_CTRL_HOST_RAM_WRITE, 1);
 265         rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, reg);
 266
 267         /*
 268          * Write firmware to device.
 269          */
 270         rt2800_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
 271                                       data, len);
 272
 273         rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000);
 274         rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001);
 275
 276         /*
 277          * Wait for device to stabilize.
 278          */
 279         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 280                 rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
 281                 if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
 282                         break;
 283                 msleep(1);
 284         }
 285
 286         if (i == REGISTER_BUSY_COUNT) {
 287                 ERROR(rt2x00dev, "PBF system register not ready.\n");
 288                 return -EBUSY;
 289         }
 290
 291         /*
 292          * Disable interrupts
 293          */
 294         rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_RADIO_IRQ_OFF);
 295
 296         /*
 297          * Initialize BBP R/W access agent
 298          */
 299         rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
 300         rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
 301
 302         return 0;
 303 }
 304
 305 /*
 306  * Initialization functions.
 307  */
 308 static bool rt2800pci_get_entry_state(struct queue_entry *entry)
 309 {
 310         struct queue_entry_priv_pci *entry_priv = entry->priv_data;
 311         u32 word;
 312
 313         if (entry->queue->qid == QID_RX) {
 314                 rt2x00_desc_read(entry_priv->desc, 1, &word);
 315
 316                 return (!rt2x00_get_field32(word, RXD_W1_DMA_DONE));
 317         } else {
 318                 rt2x00_desc_read(entry_priv->desc, 1, &word);
 319
 320                 return (!rt2x00_get_field32(word, TXD_W1_DMA_DONE));
 321         }
 322 }
 323
 324 static void rt2800pci_clear_entry(struct queue_entry *entry)
 325 {
 326         struct queue_entry_priv_pci *entry_priv = entry->priv_data;
 327         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 328         u32 word;
 329
 330         if (entry->queue->qid == QID_RX) {
 331                 rt2x00_desc_read(entry_priv->desc, 0, &word);
 332                 rt2x00_set_field32(&word, RXD_W0_SDP0, skbdesc->skb_dma);
 333                 rt2x00_desc_write(entry_priv->desc, 0, word);
 334
 335                 rt2x00_desc_read(entry_priv->desc, 1, &word);
 336                 rt2x00_set_field32(&word, RXD_W1_DMA_DONE, 0);
 337                 rt2x00_desc_write(entry_priv->desc, 1, word);
 338         } else {
 339                 rt2x00_desc_read(entry_priv->desc, 1, &word);
 340                 rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1);
 341                 rt2x00_desc_write(entry_priv->desc, 1, word);
 342         }
 343 }
 344
 345 static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev)
 346 {
 347         struct queue_entry_priv_pci *entry_priv;
 348         u32 reg;
 349
 350         /*
 351          * Initialize registers.
 352          */
 353         entry_priv = rt2x00dev->tx[0].entries[0].priv_data;
 354         rt2800_register_write(rt2x00dev, TX_BASE_PTR0, entry_priv->desc_dma);
 355         rt2800_register_write(rt2x00dev, TX_MAX_CNT0, rt2x00dev->tx[0].limit);
 356         rt2800_register_write(rt2x00dev, TX_CTX_IDX0, 0);
 357         rt2800_register_write(rt2x00dev, TX_DTX_IDX0, 0);
 358
 359         entry_priv = rt2x00dev->tx[1].entries[0].priv_data;
 360         rt2800_register_write(rt2x00dev, TX_BASE_PTR1, entry_priv->desc_dma);
 361         rt2800_register_write(rt2x00dev, TX_MAX_CNT1, rt2x00dev->tx[1].limit);
 362         rt2800_register_write(rt2x00dev, TX_CTX_IDX1, 0);
 363         rt2800_register_write(rt2x00dev, TX_DTX_IDX1, 0);
 364
 365         entry_priv = rt2x00dev->tx[2].entries[0].priv_data;
 366         rt2800_register_write(rt2x00dev, TX_BASE_PTR2, entry_priv->desc_dma);
 367         rt2800_register_write(rt2x00dev, TX_MAX_CNT2, rt2x00dev->tx[2].limit);
 368         rt2800_register_write(rt2x00dev, TX_CTX_IDX2, 0);
 369         rt2800_register_write(rt2x00dev, TX_DTX_IDX2, 0);
 370
 371         entry_priv = rt2x00dev->tx[3].entries[0].priv_data;
 372         rt2800_register_write(rt2x00dev, TX_BASE_PTR3, entry_priv->desc_dma);
 373         rt2800_register_write(rt2x00dev, TX_MAX_CNT3, rt2x00dev->tx[3].limit);
 374         rt2800_register_write(rt2x00dev, TX_CTX_IDX3, 0);
 375         rt2800_register_write(rt2x00dev, TX_DTX_IDX3, 0);
 376
 377         entry_priv = rt2x00dev->rx->entries[0].priv_data;
 378         rt2800_register_write(rt2x00dev, RX_BASE_PTR, entry_priv->desc_dma);
 379         rt2800_register_write(rt2x00dev, RX_MAX_CNT, rt2x00dev->rx[0].limit);
 380         rt2800_register_write(rt2x00dev, RX_CRX_IDX, rt2x00dev->rx[0].limit - 1);
 381         rt2800_register_write(rt2x00dev, RX_DRX_IDX, 0);
 382
 383         /*
 384          * Enable global DMA configuration
 385          */
 386         rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
 387         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
 388         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
 389         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
 390         rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
 391
 392         rt2800_register_write(rt2x00dev, DELAY_INT_CFG, 0);
 393
 394         return 0;
 395 }
 396
 397 /*
 398  * Device state switch handlers.
 399  */
 400 static void rt2800pci_toggle_rx(struct rt2x00_dev *rt2x00dev,
 401                                 enum dev_state state)
 402 {
 403         u32 reg;
 404
 405         rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 406         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX,
 407                            (state == STATE_RADIO_RX_ON) ||
 408                            (state == STATE_RADIO_RX_ON_LINK));
 409         rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 410 }
 411
 412 static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
 413                                  enum dev_state state)
 414 {
 415         int mask = (state == STATE_RADIO_IRQ_ON);
 416         u32 reg;
 417
 418         /*
 419          * When interrupts are being enabled, the interrupt registers
 420          * should clear the register to assure a clean state.
 421          */
 422         if (state == STATE_RADIO_IRQ_ON) {
 423                 rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
 424                 rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
 425         }
 426
 427         rt2800_register_read(rt2x00dev, INT_MASK_CSR, &reg);
 428         rt2x00_set_field32(&reg, INT_MASK_CSR_RXDELAYINT, mask);
 429         rt2x00_set_field32(&reg, INT_MASK_CSR_TXDELAYINT, mask);
 430         rt2x00_set_field32(&reg, INT_MASK_CSR_RX_DONE, mask);
 431         rt2x00_set_field32(&reg, INT_MASK_CSR_AC0_DMA_DONE, mask);
 432         rt2x00_set_field32(&reg, INT_MASK_CSR_AC1_DMA_DONE, mask);
 433         rt2x00_set_field32(&reg, INT_MASK_CSR_AC2_DMA_DONE, mask);
 434         rt2x00_set_field32(&reg, INT_MASK_CSR_AC3_DMA_DONE, mask);
 435         rt2x00_set_field32(&reg, INT_MASK_CSR_HCCA_DMA_DONE, mask);
 436         rt2x00_set_field32(&reg, INT_MASK_CSR_MGMT_DMA_DONE, mask);
 437         rt2x00_set_field32(&reg, INT_MASK_CSR_MCU_COMMAND, mask);
 438         rt2x00_set_field32(&reg, INT_MASK_CSR_RXTX_COHERENT, mask);
 439         rt2x00_set_field32(&reg, INT_MASK_CSR_TBTT, mask);
 440         rt2x00_set_field32(&reg, INT_MASK_CSR_PRE_TBTT, mask);
 441         rt2x00_set_field32(&reg, INT_MASK_CSR_TX_FIFO_STATUS, mask);
 442         rt2x00_set_field32(&reg, INT_MASK_CSR_AUTO_WAKEUP, mask);
 443         rt2x00_set_field32(&reg, INT_MASK_CSR_GPTIMER, mask);
 444         rt2x00_set_field32(&reg, INT_MASK_CSR_RX_COHERENT, mask);
 445         rt2x00_set_field32(&reg, INT_MASK_CSR_TX_COHERENT, mask);
 446         rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg);
 447 }
 448
 449 static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
 450 {
 451         u32 reg;
 452         u16 word;
 453
 454         /*
 455          * Initialize all registers.
 456          */
 457         if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
 458                      rt2800pci_init_queues(rt2x00dev) ||
 459                      rt2800_init_registers(rt2x00dev) ||
 460                      rt2800_wait_wpdma_ready(rt2x00dev) ||
 461                      rt2800_init_bbp(rt2x00dev) ||
 462                      rt2800_init_rfcsr(rt2x00dev)))
 463                 return -EIO;
 464
 465         /*
 466          * Send signal to firmware during boot time.
 467          */
 468         rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0xff, 0, 0);
 469
 470         /*
 471          * Enable RX.
 472          */
 473         rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 474         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
 475         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
 476         rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 477
 478         rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
 479         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
 480         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
 481         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2);
 482         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
 483         rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
 484
 485         rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 486         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
 487         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
 488         rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 489
 490         /*
 491          * Initialize LED control
 492          */
 493         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word);
 494         rt2800_mcu_request(rt2x00dev, MCU_LED_1, 0xff,
 495                               word & 0xff, (word >> 8) & 0xff);
 496
 497         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word);
 498         rt2800_mcu_request(rt2x00dev, MCU_LED_2, 0xff,
 499                               word & 0xff, (word >> 8) & 0xff);
 500
 501         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word);
 502         rt2800_mcu_request(rt2x00dev, MCU_LED_3, 0xff,
 503                               word & 0xff, (word >> 8) & 0xff);
 504
 505         return 0;
 506 }
 507
 508 static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
 509 {
 510         u32 reg;
 511
 512         rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
 513         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
 514         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
 515         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
 516         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
 517         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
 518         rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
 519
 520         rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
 521         rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0);
 522         rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0);
 523
 524         rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001280);
 525
 526         rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
 527         rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, 1);
 528         rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, 1);
 529         rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, 1);
 530         rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, 1);
 531         rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX4, 1);
 532         rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX5, 1);
 533         rt2x00_set_field32(&reg, WPDMA_RST_IDX_DRX_IDX0, 1);
 534         rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
 535
 536         rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
 537         rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
 538
 539         /* Wait for DMA, ignore error */
 540         rt2800_wait_wpdma_ready(rt2x00dev);
 541 }
 542
 543 static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev,
 544                                enum dev_state state)
 545 {
 546         /*
 547          * Always put the device to sleep (even when we intend to wakeup!)
 548          * if the device is booting and wasn't asleep it will return
 549          * failure when attempting to wakeup.
 550          */
 551         rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2);
 552
 553         if (state == STATE_AWAKE) {
 554                 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0);
 555                 rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKUP);
 556         }
 557
 558         return 0;
 559 }
 560
 561 static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev,
 562                                       enum dev_state state)
 563 {
 564         int retval = 0;
 565
 566         switch (state) {
 567         case STATE_RADIO_ON:
 568                 /*
 569                  * Before the radio can be enabled, the device first has
 570                  * to be woken up. After that it needs a bit of time
 571                  * to be fully awake and then the radio can be enabled.
 572                  */
 573                 rt2800pci_set_state(rt2x00dev, STATE_AWAKE);
 574                 msleep(1);
 575                 retval = rt2800pci_enable_radio(rt2x00dev);
 576                 break;
 577         case STATE_RADIO_OFF:
 578                 /*
 579                  * After the radio has been disabled, the device should
 580                  * be put to sleep for powersaving.
 581                  */
 582                 rt2800pci_disable_radio(rt2x00dev);
 583                 rt2800pci_set_state(rt2x00dev, STATE_SLEEP);
 584                 break;
 585         case STATE_RADIO_RX_ON:
 586         case STATE_RADIO_RX_ON_LINK:
 587         case STATE_RADIO_RX_OFF:
 588         case STATE_RADIO_RX_OFF_LINK:
 589                 rt2800pci_toggle_rx(rt2x00dev, state);
 590                 break;
 591         case STATE_RADIO_IRQ_ON:
 592         case STATE_RADIO_IRQ_OFF:
 593                 rt2800pci_toggle_irq(rt2x00dev, state);
 594                 break;
 595         case STATE_DEEP_SLEEP:
 596         case STATE_SLEEP:
 597         case STATE_STANDBY:
 598         case STATE_AWAKE:
 599                 retval = rt2800pci_set_state(rt2x00dev, state);
 600                 break;
 601         default:
 602                 retval = -ENOTSUPP;
 603                 break;
 604         }
 605
 606         if (unlikely(retval))
 607                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
 608                       state, retval);
 609
 610         return retval;
 611 }
 612
 613 /*
 614  * TX descriptor initialization
 615  */
 616 static int rt2800pci_write_tx_data(struct queue_entry* entry,
 617                                    struct txentry_desc *txdesc)
 618 {
 619         int ret;
 620
 621         ret = rt2x00pci_write_tx_data(entry, txdesc);
 622         if (ret)
 623                 return ret;
 624
 625         rt2800_write_txwi(entry->skb, txdesc);
 626
 627         return 0;
 628 }
 629
 630
 631 static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 632                                     struct sk_buff *skb,
 633                                     struct txentry_desc *txdesc)
 634 {
 635         struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
 636         struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data;
 637         __le32 *txd = entry_priv->desc;
 638         u32 word;
 639
 640         /*
 641          * The buffers pointed by SD_PTR0/SD_LEN0 and SD_PTR1/SD_LEN1
 642          * must contains a TXWI structure + 802.11 header + padding + 802.11
 643          * data. We choose to have SD_PTR0/SD_LEN0 only contains TXWI and
 644          * SD_PTR1/SD_LEN1 contains 802.11 header + padding + 802.11
 645          * data. It means that LAST_SEC0 is always 0.
 646          */
 647
 648         /*
 649          * Initialize TX descriptor
 650          */
 651         rt2x00_desc_read(txd, 0, &word);
 652         rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma);
 653         rt2x00_desc_write(txd, 0, word);
 654
 655         rt2x00_desc_read(txd, 1, &word);
 656         rt2x00_set_field32(&word, TXD_W1_SD_LEN1, skb->len);
 657         rt2x00_set_field32(&word, TXD_W1_LAST_SEC1,
 658                            !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
 659         rt2x00_set_field32(&word, TXD_W1_BURST,
 660                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
 661         rt2x00_set_field32(&word, TXD_W1_SD_LEN0, TXWI_DESC_SIZE);
 662         rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0);
 663         rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0);
 664         rt2x00_desc_write(txd, 1, word);
 665
 666         rt2x00_desc_read(txd, 2, &word);
 667         rt2x00_set_field32(&word, TXD_W2_SD_PTR1,
 668                            skbdesc->skb_dma + TXWI_DESC_SIZE);
 669         rt2x00_desc_write(txd, 2, word);
 670
 671         rt2x00_desc_read(txd, 3, &word);
 672         rt2x00_set_field32(&word, TXD_W3_WIV,
 673                            !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
 674         rt2x00_set_field32(&word, TXD_W3_QSEL, 2);
 675         rt2x00_desc_write(txd, 3, word);
 676
 677         /*
 678          * Register descriptor details in skb frame descriptor.
 679          */
 680         skbdesc->desc = txd;
 681         skbdesc->desc_len = TXD_DESC_SIZE;
 682 }
 683
 684 /*
 685  * TX data initialization
 686  */
 687 static void rt2800pci_write_beacon(struct queue_entry *entry,
 688                                    struct txentry_desc *txdesc)
 689 {
 690         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 691         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 692         unsigned int beacon_base;
 693         u32 reg;
 694
 695         /*
 696          * Disable beaconing while we are reloading the beacon data,
 697          * otherwise we might be sending out invalid data.
 698          */
 699         rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
 700         rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
 701         rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 702
 703         /*
 704          * Register descriptor details in skb frame descriptor.
 705          */
 706         skbdesc->desc = entry->skb->data - TXWI_DESC_SIZE;
 707         skbdesc->desc_len = TXWI_DESC_SIZE;
 708
 709         /*
 710          * Add the TXWI for the beacon to the skb.
 711          */
 712         rt2800_write_txwi(entry->skb, txdesc);
 713
 714         /*
 715          * Dump beacon to userspace through debugfs.
 716          */
 717         rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
 718
 719         /*
 720          * Adjust skb to take TXWI into account.
 721          */
 722         skb_push(entry->skb, TXWI_DESC_SIZE);
 723
 724         /*
 725          * Write entire beacon with TXWI to register.
 726          */
 727         beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
 728         rt2800_register_multiwrite(rt2x00dev, beacon_base,
 729                                    entry->skb->data, entry->skb->len);
 730
 731         /*
 732          * Enable beaconing again.
 733          */
 734         rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
 735         rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
 736         rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
 737         rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 738
 739         /*
 740          * Clean up beacon skb.
 741          */
 742         dev_kfree_skb_any(entry->skb);
 743         entry->skb = NULL;
 744 }
 745
 746 static void rt2800pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
 747                                     const enum data_queue_qid queue_idx)
 748 {
 749         struct data_queue *queue;
 750         unsigned int idx, qidx = 0;
 751
 752         if (queue_idx > QID_HCCA && queue_idx != QID_MGMT)
 753                 return;
 754
 755         queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
 756         idx = queue->index[Q_INDEX];
 757
 758         if (queue_idx == QID_MGMT)
 759                 qidx = 5;
 760         else
 761                 qidx = queue_idx;
 762
 763         rt2800_register_write(rt2x00dev, TX_CTX_IDX(qidx), idx);
 764 }
 765
 766 static void rt2800pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
 767                                     const enum data_queue_qid qid)
 768 {
 769         u32 reg;
 770
 771         if (qid == QID_BEACON) {
 772                 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, 0);
 773                 return;
 774         }
 775
 776         rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
 777         rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, (qid == QID_AC_BE));
 778         rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, (qid == QID_AC_BK));
 779         rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, (qid == QID_AC_VI));
 780         rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, (qid == QID_AC_VO));
 781         rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
 782 }
 783
 784 /*
 785  * RX control handlers
 786  */
 787 static void rt2800pci_fill_rxdone(struct queue_entry *entry,
 788                                   struct rxdone_entry_desc *rxdesc)
 789 {
 790         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 791         struct queue_entry_priv_pci *entry_priv = entry->priv_data;
 792         __le32 *rxd = entry_priv->desc;
 793         u32 word;
 794
 795         rt2x00_desc_read(rxd, 3, &word);
 796
 797         if (rt2x00_get_field32(word, RXD_W3_CRC_ERROR))
 798                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
 799
 800         /*
 801          * Unfortunately we don't know the cipher type used during
 802          * decryption. This prevents us from correct providing
 803          * correct statistics through debugfs.
 804          */
 805         rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W3_CIPHER_ERROR);
 806
 807         if (rt2x00_get_field32(word, RXD_W3_DECRYPTED)) {
 808                 /*
 809                  * Hardware has stripped IV/EIV data from 802.11 frame during
 810                  * decryption. Unfortunately the descriptor doesn't contain
 811                  * any fields with the EIV/IV data either, so they can't
 812                  * be restored by rt2x00lib.
 813                  */
 814                 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
 815
 816                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
 817                         rxdesc->flags |= RX_FLAG_DECRYPTED;
 818                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
 819                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
 820         }
 821
 822         if (rt2x00_get_field32(word, RXD_W3_MY_BSS))
 823                 rxdesc->dev_flags |= RXDONE_MY_BSS;
 824
 825         if (rt2x00_get_field32(word, RXD_W3_L2PAD))
 826                 rxdesc->dev_flags |= RXDONE_L2PAD;
 827
 828         /*
 829          * Process the RXWI structure that is at the start of the buffer.
 830          */
 831         rt2800_process_rxwi(entry->skb, rxdesc);
 832
 833         /*
 834          * Set RX IDX in register to inform hardware that we have handled
 835          * this entry and it is available for reuse again.
 836          */
 837         rt2800_register_write(rt2x00dev, RX_CRX_IDX, entry->entry_idx);
 838 }
 839
 840 /*
 841  * Interrupt functions.
 842  */
 843 static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
 844 {
 845         struct data_queue *queue;
 846         struct queue_entry *entry;
 847         __le32 *txwi;
 848         struct txdone_entry_desc txdesc;
 849         u32 word;
 850         u32 reg;
 851         u32 old_reg;
 852         int wcid, ack, pid, tx_wcid, tx_ack, tx_pid;
 853         u16 mcs, real_mcs;
 854
 855         /*
 856          * During each loop we will compare the freshly read
 857          * TX_STA_FIFO register value with the value read from
 858          * the previous loop. If the 2 values are equal then
 859          * we should stop processing because the chance it
 860          * quite big that the device has been unplugged and
 861          * we risk going into an endless loop.
 862          */
 863         old_reg = 0;
 864
 865         while (1) {
 866                 rt2800_register_read(rt2x00dev, TX_STA_FIFO, &reg);
 867                 if (!rt2x00_get_field32(reg, TX_STA_FIFO_VALID))
 868                         break;
 869
 870                 if (old_reg == reg)
 871                         break;
 872                 old_reg = reg;
 873
 874                 wcid    = rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
 875                 ack     = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
 876                 pid     = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
 877
 878                 /*
 879                  * Skip this entry when it contains an invalid
 880                  * queue identication number.
 881                  */
 882                 if (pid <= 0 || pid > QID_RX)
 883                         continue;
 884
 885                 queue = rt2x00queue_get_queue(rt2x00dev, pid - 1);
 886                 if (unlikely(!queue))
 887                         continue;
 888
 889                 /*
 890                  * Inside each queue, we process each entry in a chronological
 891                  * order. We first check that the queue is not empty.
 892                  */
 893                 if (rt2x00queue_empty(queue))
 894                         continue;
 895                 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 896
 897                 /* Check if we got a match by looking at WCID/ACK/PID
 898                  * fields */
 899                 txwi = (__le32 *)(entry->skb->data -
 900                                   rt2x00dev->ops->extra_tx_headroom);
 901
 902                 rt2x00_desc_read(txwi, 1, &word);
 903                 tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
 904                 tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
 905                 tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
 906
 907                 if ((wcid != tx_wcid) || (ack != tx_ack) || (pid != tx_pid))
 908                         WARNING(rt2x00dev, "invalid TX_STA_FIFO content\n");
 909
 910                 /*
 911                  * Obtain the status about this packet.
 912                  */
 913                 txdesc.flags = 0;
 914                 rt2x00_desc_read(txwi, 0, &word);
 915                 mcs = rt2x00_get_field32(word, TXWI_W0_MCS);
 916                 real_mcs = rt2x00_get_field32(reg, TX_STA_FIFO_MCS);
 917
 918                 /*
 919                  * Ralink has a retry mechanism using a global fallback
 920                  * table. We setup this fallback table to try the immediate
 921                  * lower rate for all rates. In the TX_STA_FIFO, the MCS field
 922                  * always contains the MCS used for the last transmission, be
 923                  * it successful or not.
 924                  */
 925                 if (rt2x00_get_field32(reg, TX_STA_FIFO_TX_SUCCESS)) {
 926                         /*
 927                          * Transmission succeeded. The number of retries is
 928                          * mcs - real_mcs
 929                          */
 930                         __set_bit(TXDONE_SUCCESS, &txdesc.flags);
 931                         txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0);
 932                 } else {
 933                         /*
 934                          * Transmission failed. The number of retries is
 935                          * always 7 in this case (for a total number of 8
 936                          * frames sent).
 937                          */
 938                         __set_bit(TXDONE_FAILURE, &txdesc.flags);
 939                         txdesc.retry = 7;
 940                 }
 941
 942                 __set_bit(TXDONE_FALLBACK, &txdesc.flags);
 943
 944
 945                 rt2x00lib_txdone(entry, &txdesc);
 946         }
 947 }
 948
 949 static void rt2800pci_wakeup(struct rt2x00_dev *rt2x00dev)
 950 {
 951         struct ieee80211_conf conf = { .flags = 0 };
 952         struct rt2x00lib_conf libconf = { .conf = &conf };
 953
 954         rt2800_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS);
 955 }
 956
 957 static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
 958 {
 959         struct rt2x00_dev *rt2x00dev = dev_instance;
 960         u32 reg;
 961
 962         /* Read status and ACK all interrupts */
 963         rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
 964         rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
 965
 966         if (!reg)
 967                 return IRQ_NONE;
 968
 969         if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 970                 return IRQ_HANDLED;
 971
 972         /*
 973          * 1 - Rx ring done interrupt.
 974          */
 975         if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE))
 976                 rt2x00pci_rxdone(rt2x00dev);
 977
 978         if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS))
 979                 rt2800pci_txdone(rt2x00dev);
 980
 981         if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP))
 982                 rt2800pci_wakeup(rt2x00dev);
 983
 984         return IRQ_HANDLED;
 985 }
 986
 987 /*
 988  * Device probe functions.
 989  */
 990 static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 991 {
 992         /*
 993          * Read EEPROM into buffer
 994          */
 995         if (rt2x00_is_soc(rt2x00dev))
 996                 rt2800pci_read_eeprom_soc(rt2x00dev);
 997         else if (rt2800pci_efuse_detect(rt2x00dev))
 998                 rt2800pci_read_eeprom_efuse(rt2x00dev);
 999         else
1000                 rt2800pci_read_eeprom_pci(rt2x00dev);
1001
1002         return rt2800_validate_eeprom(rt2x00dev);
1003 }
1004
1005 static const struct rt2800_ops rt2800pci_rt2800_ops = {
1006         .register_read          = rt2x00pci_register_read,
1007         .register_read_lock     = rt2x00pci_register_read, /* same for PCI */
1008         .register_write         = rt2x00pci_register_write,
1009         .register_write_lock    = rt2x00pci_register_write, /* same for PCI */
1010
1011         .register_multiread     = rt2x00pci_register_multiread,
1012         .register_multiwrite    = rt2x00pci_register_multiwrite,
1013
1014         .regbusy_read           = rt2x00pci_regbusy_read,
1015 };
1016
1017 static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
1018 {
1019         int retval;
1020
1021         rt2x00dev->priv = (void *)&rt2800pci_rt2800_ops;
1022
1023         /*
1024          * Allocate eeprom data.
1025          */
1026         retval = rt2800pci_validate_eeprom(rt2x00dev);
1027         if (retval)
1028                 return retval;
1029
1030         retval = rt2800_init_eeprom(rt2x00dev);
1031         if (retval)
1032                 return retval;
1033
1034         /*
1035          * Initialize hw specifications.
1036          */
1037         retval = rt2800_probe_hw_mode(rt2x00dev);
1038         if (retval)
1039                 return retval;
1040
1041         /*
1042          * This device has multiple filters for control frames
1043          * and has a separate filter for PS Poll frames.
1044          */
1045         __set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags);
1046         __set_bit(DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, &rt2x00dev->flags);
1047
1048         /*
1049          * This device requires firmware.
1050          */
1051         if (!rt2x00_is_soc(rt2x00dev))
1052                 __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
1053         __set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags);
1054         __set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags);
1055         if (!modparam_nohwcrypt)
1056                 __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
1057
1058         /*
1059          * Set the rssi offset.
1060          */
1061         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
1062
1063         return 0;
1064 }
1065
1066 static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
1067         .irq_handler            = rt2800pci_interrupt,
1068         .probe_hw               = rt2800pci_probe_hw,
1069         .get_firmware_name      = rt2800pci_get_firmware_name,
1070         .check_firmware         = rt2800pci_check_firmware,
1071         .load_firmware          = rt2800pci_load_firmware,
1072         .initialize             = rt2x00pci_initialize,
1073         .uninitialize           = rt2x00pci_uninitialize,
1074         .get_entry_state        = rt2800pci_get_entry_state,
1075         .clear_entry            = rt2800pci_clear_entry,
1076         .set_device_state       = rt2800pci_set_device_state,
1077         .rfkill_poll            = rt2800_rfkill_poll,
1078         .link_stats             = rt2800_link_stats,
1079         .reset_tuner            = rt2800_reset_tuner,
1080         .link_tuner             = rt2800_link_tuner,
1081         .write_tx_desc          = rt2800pci_write_tx_desc,
1082         .write_tx_data          = rt2800pci_write_tx_data,
1083         .write_beacon           = rt2800pci_write_beacon,
1084         .kick_tx_queue          = rt2800pci_kick_tx_queue,
1085         .kill_tx_queue          = rt2800pci_kill_tx_queue,
1086         .fill_rxdone            = rt2800pci_fill_rxdone,
1087         .config_shared_key      = rt2800_config_shared_key,
1088         .config_pairwise_key    = rt2800_config_pairwise_key,
1089         .config_filter          = rt2800_config_filter,
1090         .config_intf            = rt2800_config_intf,
1091         .config_erp             = rt2800_config_erp,
1092         .config_ant             = rt2800_config_ant,
1093         .config                 = rt2800_config,
1094 };
1095
1096 static const struct data_queue_desc rt2800pci_queue_rx = {
1097         .entry_num              = RX_ENTRIES,
1098         .data_size              = AGGREGATION_SIZE,
1099         .desc_size              = RXD_DESC_SIZE,
1100         .priv_size              = sizeof(struct queue_entry_priv_pci),
1101 };
1102
1103 static const struct data_queue_desc rt2800pci_queue_tx = {
1104         .entry_num              = TX_ENTRIES,
1105         .data_size              = AGGREGATION_SIZE,
1106         .desc_size              = TXD_DESC_SIZE,
1107         .priv_size              = sizeof(struct queue_entry_priv_pci),
1108 };
1109
1110 static const struct data_queue_desc rt2800pci_queue_bcn = {
1111         .entry_num              = 8 * BEACON_ENTRIES,
1112         .data_size              = 0, /* No DMA required for beacons */
1113         .desc_size              = TXWI_DESC_SIZE,
1114         .priv_size              = sizeof(struct queue_entry_priv_pci),
1115 };
1116
1117 static const struct rt2x00_ops rt2800pci_ops = {
1118         .name                   = KBUILD_MODNAME,
1119         .max_sta_intf           = 1,
1120         .max_ap_intf            = 8,
1121         .eeprom_size            = EEPROM_SIZE,
1122         .rf_size                = RF_SIZE,
1123         .tx_queues              = NUM_TX_QUEUES,
1124         .extra_tx_headroom      = TXWI_DESC_SIZE,
1125         .rx                     = &rt2800pci_queue_rx,
1126         .tx                     = &rt2800pci_queue_tx,
1127         .bcn                    = &rt2800pci_queue_bcn,
1128         .lib                    = &rt2800pci_rt2x00_ops,
1129         .hw                     = &rt2800_mac80211_ops,
1130 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1131         .debugfs                = &rt2800_rt2x00debug,
1132 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1133 };
1134
1135 /*
1136  * RT2800pci module information.
1137  */
1138 #ifdef CONFIG_RT2800PCI_PCI
1139 static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = {
1140         { PCI_DEVICE(0x1814, 0x0601), PCI_DEVICE_DATA(&rt2800pci_ops) },
1141         { PCI_DEVICE(0x1814, 0x0681), PCI_DEVICE_DATA(&rt2800pci_ops) },
1142         { PCI_DEVICE(0x1814, 0x0701), PCI_DEVICE_DATA(&rt2800pci_ops) },
1143         { PCI_DEVICE(0x1814, 0x0781), PCI_DEVICE_DATA(&rt2800pci_ops) },
1144         { PCI_DEVICE(0x1432, 0x7708), PCI_DEVICE_DATA(&rt2800pci_ops) },
1145         { PCI_DEVICE(0x1432, 0x7727), PCI_DEVICE_DATA(&rt2800pci_ops) },
1146         { PCI_DEVICE(0x1432, 0x7728), PCI_DEVICE_DATA(&rt2800pci_ops) },
1147         { PCI_DEVICE(0x1432, 0x7738), PCI_DEVICE_DATA(&rt2800pci_ops) },
1148         { PCI_DEVICE(0x1432, 0x7748), PCI_DEVICE_DATA(&rt2800pci_ops) },
1149         { PCI_DEVICE(0x1432, 0x7758), PCI_DEVICE_DATA(&rt2800pci_ops) },
1150         { PCI_DEVICE(0x1432, 0x7768), PCI_DEVICE_DATA(&rt2800pci_ops) },
1151         { PCI_DEVICE(0x1a3b, 0x1059), PCI_DEVICE_DATA(&rt2800pci_ops) },
1152 #ifdef CONFIG_RT2800PCI_RT30XX
1153         { PCI_DEVICE(0x1814, 0x3090), PCI_DEVICE_DATA(&rt2800pci_ops) },
1154         { PCI_DEVICE(0x1814, 0x3091), PCI_DEVICE_DATA(&rt2800pci_ops) },
1155         { PCI_DEVICE(0x1814, 0x3092), PCI_DEVICE_DATA(&rt2800pci_ops) },
1156         { PCI_DEVICE(0x1462, 0x891a), PCI_DEVICE_DATA(&rt2800pci_ops) },
1157 #endif
1158 #ifdef CONFIG_RT2800PCI_RT35XX
1159         { PCI_DEVICE(0x1814, 0x3060), PCI_DEVICE_DATA(&rt2800pci_ops) },
1160         { PCI_DEVICE(0x1814, 0x3062), PCI_DEVICE_DATA(&rt2800pci_ops) },
1161         { PCI_DEVICE(0x1814, 0x3562), PCI_DEVICE_DATA(&rt2800pci_ops) },
1162         { PCI_DEVICE(0x1814, 0x3592), PCI_DEVICE_DATA(&rt2800pci_ops) },
1163         { PCI_DEVICE(0x1814, 0x3593), PCI_DEVICE_DATA(&rt2800pci_ops) },
1164 #endif
1165         { 0, }
1166 };
1167 #endif /* CONFIG_RT2800PCI_PCI */
1168
1169 MODULE_AUTHOR(DRV_PROJECT);
1170 MODULE_VERSION(DRV_VERSION);
1171 MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver.");
1172 MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards");
1173 #ifdef CONFIG_RT2800PCI_PCI
1174 MODULE_FIRMWARE(FIRMWARE_RT2860);
1175 MODULE_DEVICE_TABLE(pci, rt2800pci_device_table);
1176 #endif /* CONFIG_RT2800PCI_PCI */
1177 MODULE_LICENSE("GPL");
1178
1179 #ifdef CONFIG_RT2800PCI_SOC
1180 static int rt2800soc_probe(struct platform_device *pdev)
1181 {
1182         return rt2x00soc_probe(pdev, &rt2800pci_ops);
1183 }
1184
1185 static struct platform_driver rt2800soc_driver = {
1186         .driver         = {
1187                 .name           = "rt2800_wmac",
1188                 .owner          = THIS_MODULE,
1189                 .mod_name       = KBUILD_MODNAME,
1190         },
1191         .probe          = rt2800soc_probe,
1192         .remove         = __devexit_p(rt2x00soc_remove),
1193         .suspend        = rt2x00soc_suspend,
1194         .resume         = rt2x00soc_resume,
1195 };
1196 #endif /* CONFIG_RT2800PCI_SOC */
1197
1198 #ifdef CONFIG_RT2800PCI_PCI
1199 static struct pci_driver rt2800pci_driver = {
1200         .name           = KBUILD_MODNAME,
1201         .id_table       = rt2800pci_device_table,
1202         .probe          = rt2x00pci_probe,
1203         .remove         = __devexit_p(rt2x00pci_remove),
1204         .suspend        = rt2x00pci_suspend,
1205         .resume         = rt2x00pci_resume,
1206 };
1207 #endif /* CONFIG_RT2800PCI_PCI */
1208
1209 static int __init rt2800pci_init(void)
1210 {
1211         int ret = 0;
1212
1213 #ifdef CONFIG_RT2800PCI_SOC
1214         ret = platform_driver_register(&rt2800soc_driver);
1215         if (ret)
1216                 return ret;
1217 #endif
1218 #ifdef CONFIG_RT2800PCI_PCI
1219         ret = pci_register_driver(&rt2800pci_driver);
1220         if (ret) {
1221 #ifdef CONFIG_RT2800PCI_SOC
1222                 platform_driver_unregister(&rt2800soc_driver);
1223 #endif
1224                 return ret;
1225         }
1226 #endif
1227
1228         return ret;
1229 }
1230
1231 static void __exit rt2800pci_exit(void)
1232 {
1233 #ifdef CONFIG_RT2800PCI_PCI
1234         pci_unregister_driver(&rt2800pci_driver);
1235 #endif
1236 #ifdef CONFIG_RT2800PCI_SOC
1237         platform_driver_unregister(&rt2800soc_driver);
1238 #endif
1239 }
1240
1241 module_init(rt2800pci_init);
1242 module_exit(rt2800pci_exit);