drivers/net/wireless/wl12xx/wl12xx.h

   1 /*
   2  * This file is part of wl1271
   3  *
   4  * Copyright (C) 1998-2009 Texas Instruments. All rights reserved.
   5  * Copyright (C) 2008-2009 Nokia Corporation
   6  *
   7  * Contact: Luciano Coelho <luciano.coelho@nokia.com>
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * version 2 as published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  21  * 02110-1301 USA
  22  *
  23  */
  24
  25 #ifndef __WL12XX_H__
  26 #define __WL12XX_H__
  27
  28 #include <linux/mutex.h>
  29 #include <linux/completion.h>
  30 #include <linux/spinlock.h>
  31 #include <linux/list.h>
  32 #include <linux/bitops.h>
  33 #include <net/mac80211.h>
  34
  35 #include "conf.h"
  36 #include "ini.h"
  37
  38 #define DRIVER_NAME "wl1271"
  39 #define DRIVER_PREFIX DRIVER_NAME ": "
  40
  41 /*
  42  * FW versions support BA 11n
  43  * versions marks x.x.x.50-60.x
  44  */
  45 #define WL12XX_BA_SUPPORT_FW_COST_VER2_START    50
  46 #define WL12XX_BA_SUPPORT_FW_COST_VER2_END      60
  47
  48 enum {
  49         DEBUG_NONE      = 0,
  50         DEBUG_IRQ       = BIT(0),
  51         DEBUG_SPI       = BIT(1),
  52         DEBUG_BOOT      = BIT(2),
  53         DEBUG_MAILBOX   = BIT(3),
  54         DEBUG_TESTMODE  = BIT(4),
  55         DEBUG_EVENT     = BIT(5),
  56         DEBUG_TX        = BIT(6),
  57         DEBUG_RX        = BIT(7),
  58         DEBUG_SCAN      = BIT(8),
  59         DEBUG_CRYPT     = BIT(9),
  60         DEBUG_PSM       = BIT(10),
  61         DEBUG_MAC80211  = BIT(11),
  62         DEBUG_CMD       = BIT(12),
  63         DEBUG_ACX       = BIT(13),
  64         DEBUG_SDIO      = BIT(14),
  65         DEBUG_FILTERS   = BIT(15),
  66         DEBUG_ADHOC     = BIT(16),
  67         DEBUG_AP        = BIT(17),
  68         DEBUG_MASTER    = (DEBUG_ADHOC | DEBUG_AP),
  69         DEBUG_ALL       = ~0,
  70 };
  71
  72 extern u32 wl12xx_debug_level;
  73
  74 #define DEBUG_DUMP_LIMIT 1024
  75
  76 #define wl1271_error(fmt, arg...) \
  77         pr_err(DRIVER_PREFIX "ERROR " fmt "\n", ##arg)
  78
  79 #define wl1271_warning(fmt, arg...) \
  80         pr_warning(DRIVER_PREFIX "WARNING " fmt "\n", ##arg)
  81
  82 #define wl1271_notice(fmt, arg...) \
  83         pr_info(DRIVER_PREFIX fmt "\n", ##arg)
  84
  85 #define wl1271_info(fmt, arg...) \
  86         pr_info(DRIVER_PREFIX fmt "\n", ##arg)
  87
  88 #define wl1271_debug(level, fmt, arg...) \
  89         do { \
  90                 if (level & wl12xx_debug_level) \
  91                         pr_debug(DRIVER_PREFIX fmt "\n", ##arg); \
  92         } while (0)
  93
  94 /* TODO: use pr_debug_hex_dump when it will be available */
  95 #define wl1271_dump(level, prefix, buf, len)    \
  96         do { \
  97                 if (level & wl12xx_debug_level) \
  98                         print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
  99                                        DUMP_PREFIX_OFFSET, 16, 1,       \
 100                                        buf,                             \
 101                                        min_t(size_t, len, DEBUG_DUMP_LIMIT), \
 102                                        0);                              \
 103         } while (0)
 104
 105 #define wl1271_dump_ascii(level, prefix, buf, len)      \
 106         do { \
 107                 if (level & wl12xx_debug_level) \
 108                         print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
 109                                        DUMP_PREFIX_OFFSET, 16, 1,       \
 110                                        buf,                             \
 111                                        min_t(size_t, len, DEBUG_DUMP_LIMIT), \
 112                                        true);                           \
 113         } while (0)
 114
 115 #define WL1271_DEFAULT_STA_RX_CONFIG (CFG_UNI_FILTER_EN |       \
 116                                   CFG_BSSID_FILTER_EN | \
 117                                   CFG_MC_FILTER_EN)
 118
 119 #define WL1271_DEFAULT_STA_RX_FILTER (CFG_RX_RCTS_ACK | CFG_RX_PRSP_EN |  \
 120                                   CFG_RX_MGMT_EN | CFG_RX_DATA_EN |   \
 121                                   CFG_RX_CTL_EN | CFG_RX_BCN_EN |     \
 122                                   CFG_RX_AUTH_EN | CFG_RX_ASSOC_EN)
 123
 124 #define WL1271_DEFAULT_AP_RX_CONFIG  0
 125
 126 #define WL1271_DEFAULT_AP_RX_FILTER  (CFG_RX_RCTS_ACK | CFG_RX_PREQ_EN | \
 127                                   CFG_RX_MGMT_EN | CFG_RX_DATA_EN | \
 128                                   CFG_RX_CTL_EN | CFG_RX_AUTH_EN | \
 129                                   CFG_RX_ASSOC_EN)
 130
 131
 132
 133 #define WL1271_FW_NAME "ti-connectivity/wl1271-fw-2.bin"
 134 #define WL128X_FW_NAME "ti-connectivity/wl128x-fw.bin"
 135 #define WL127X_AP_FW_NAME "ti-connectivity/wl1271-fw-ap.bin"
 136 #define WL128X_AP_FW_NAME "ti-connectivity/wl128x-fw-ap.bin"
 137
 138 /*
 139  * wl127x and wl128x are using the same NVS file name. However, the
 140  * ini parameters between them are different.  The driver validates
 141  * the correct NVS size in wl1271_boot_upload_nvs().
 142  */
 143 #define WL12XX_NVS_NAME "ti-connectivity/wl1271-nvs.bin"
 144
 145 #define WL1271_TX_SECURITY_LO16(s) ((u16)((s) & 0xffff))
 146 #define WL1271_TX_SECURITY_HI32(s) ((u32)(((s) >> 16) & 0xffffffff))
 147 #define WL1271_TX_SQN_POST_RECOVERY_PADDING 0xff
 148
 149 #define WL1271_CIPHER_SUITE_GEM 0x00147201
 150
 151 #define WL1271_BUSY_WORD_CNT 1
 152 #define WL1271_BUSY_WORD_LEN (WL1271_BUSY_WORD_CNT * sizeof(u32))
 153
 154 #define WL1271_ELP_HW_STATE_ASLEEP 0
 155 #define WL1271_ELP_HW_STATE_IRQ    1
 156
 157 #define WL1271_DEFAULT_BEACON_INT  100
 158 #define WL1271_DEFAULT_DTIM_PERIOD 1
 159
 160 #define WL1271_AP_GLOBAL_HLID      0
 161 #define WL1271_AP_BROADCAST_HLID   1
 162 #define WL1271_AP_STA_HLID_START   2
 163
 164 /*
 165  * When in AP-mode, we allow (at least) this number of mem-blocks
 166  * to be transmitted to FW for a STA in PS-mode. Only when packets are
 167  * present in the FW buffers it will wake the sleeping STA. We want to put
 168  * enough packets for the driver to transmit all of its buffered data before
 169  * the STA goes to sleep again. But we don't want to take too much mem-blocks
 170  * as it might hurt the throughput of active STAs.
 171  * The number of blocks (18) is enough for 2 large packets.
 172  */
 173 #define WL1271_PS_STA_MAX_BLOCKS  (2 * 9)
 174
 175 #define WL1271_AP_BSS_INDEX        0
 176 #define WL1271_AP_DEF_BEACON_EXP   20
 177
 178 #define ACX_TX_DESCRIPTORS         32
 179
 180 #define WL1271_AGGR_BUFFER_SIZE (4 * PAGE_SIZE)
 181
 182 enum wl1271_state {
 183         WL1271_STATE_OFF,
 184         WL1271_STATE_ON,
 185         WL1271_STATE_PLT,
 186 };
 187
 188 enum wl1271_partition_type {
 189         PART_DOWN,
 190         PART_WORK,
 191         PART_DRPW,
 192
 193         PART_TABLE_LEN
 194 };
 195
 196 struct wl1271_partition {
 197         u32 size;
 198         u32 start;
 199 };
 200
 201 struct wl1271_partition_set {
 202         struct wl1271_partition mem;
 203         struct wl1271_partition reg;
 204         struct wl1271_partition mem2;
 205         struct wl1271_partition mem3;
 206 };
 207
 208 struct wl1271;
 209
 210 enum {
 211         FW_VER_CHIP,
 212         FW_VER_IF_TYPE,
 213         FW_VER_MAJOR,
 214         FW_VER_SUBTYPE,
 215         FW_VER_MINOR,
 216
 217         NUM_FW_VER
 218 };
 219
 220 #define FW_VER_CHIP_WL127X 6
 221 #define FW_VER_CHIP_WL128X 7
 222
 223 #define FW_VER_IF_TYPE_STA 1
 224 #define FW_VER_IF_TYPE_AP  2
 225
 226 #define FW_VER_MINOR_1_SPARE_STA_MIN 58
 227 #define FW_VER_MINOR_1_SPARE_AP_MIN  47
 228
 229 #define FW_VER_MINOR_FWLOG_STA_MIN 70
 230
 231 struct wl1271_chip {
 232         u32 id;
 233         char fw_ver_str[ETHTOOL_BUSINFO_LEN];
 234         unsigned int fw_ver[NUM_FW_VER];
 235 };
 236
 237 struct wl1271_stats {
 238         struct acx_statistics *fw_stats;
 239         unsigned long fw_stats_update;
 240
 241         unsigned int retry_count;
 242         unsigned int excessive_retries;
 243 };
 244
 245 #define NUM_TX_QUEUES              4
 246 #define NUM_RX_PKT_DESC            8
 247
 248 #define AP_MAX_STATIONS            5
 249
 250 /* Broadcast and Global links + links to stations */
 251 #define AP_MAX_LINKS               (AP_MAX_STATIONS + 2)
 252
 253 /* FW status registers common for AP/STA */
 254 struct wl1271_fw_common_status {
 255         __le32 intr;
 256         u8  fw_rx_counter;
 257         u8  drv_rx_counter;
 258         u8  reserved;
 259         u8  tx_results_counter;
 260         __le32 rx_pkt_descs[NUM_RX_PKT_DESC];
 261         __le32 tx_released_blks[NUM_TX_QUEUES];
 262         __le32 fw_localtime;
 263 } __packed;
 264
 265 /* FW status registers for AP */
 266 struct wl1271_fw_ap_status {
 267         struct wl1271_fw_common_status common;
 268
 269         /* Next fields valid only in AP FW */
 270
 271         /*
 272          * A bitmap (where each bit represents a single HLID)
 273          * to indicate if the station is in PS mode.
 274          */
 275         __le32 link_ps_bitmap;
 276
 277         /* Number of freed MBs per HLID */
 278         u8 tx_lnk_free_blks[AP_MAX_LINKS];
 279         u8 padding_1[1];
 280 } __packed;
 281
 282 /* FW status registers for STA */
 283 struct wl1271_fw_sta_status {
 284         struct wl1271_fw_common_status common;
 285
 286         u8  tx_total;
 287         u8  reserved1;
 288         __le16 reserved2;
 289         __le32 log_start_addr;
 290 } __packed;
 291
 292 struct wl1271_fw_full_status {
 293         union {
 294                 struct wl1271_fw_common_status common;
 295                 struct wl1271_fw_sta_status sta;
 296                 struct wl1271_fw_ap_status ap;
 297         };
 298 } __packed;
 299
 300
 301 struct wl1271_rx_mem_pool_addr {
 302         u32 addr;
 303         u32 addr_extra;
 304 };
 305
 306 #define WL1271_MAX_CHANNELS 64
 307 struct wl1271_scan {
 308         struct cfg80211_scan_request *req;
 309         unsigned long scanned_ch[BITS_TO_LONGS(WL1271_MAX_CHANNELS)];
 310         bool failed;
 311         u8 state;
 312         u8 ssid[IEEE80211_MAX_SSID_LEN+1];
 313         size_t ssid_len;
 314 };
 315
 316 struct wl1271_if_operations {
 317         void (*read)(struct wl1271 *wl, int addr, void *buf, size_t len,
 318                      bool fixed);
 319         void (*write)(struct wl1271 *wl, int addr, void *buf, size_t len,
 320                      bool fixed);
 321         void (*reset)(struct wl1271 *wl);
 322         void (*init)(struct wl1271 *wl);
 323         int (*power)(struct wl1271 *wl, bool enable);
 324         struct device* (*dev)(struct wl1271 *wl);
 325         void (*enable_irq)(struct wl1271 *wl);
 326         void (*disable_irq)(struct wl1271 *wl);
 327         void (*set_block_size) (struct wl1271 *wl, unsigned int blksz);
 328 };
 329
 330 #define MAX_NUM_KEYS 14
 331 #define MAX_KEY_SIZE 32
 332
 333 struct wl1271_ap_key {
 334         u8 id;
 335         u8 key_type;
 336         u8 key_size;
 337         u8 key[MAX_KEY_SIZE];
 338         u8 hlid;
 339         u32 tx_seq_32;
 340         u16 tx_seq_16;
 341 };
 342
 343 enum wl12xx_flags {
 344         WL1271_FLAG_STA_ASSOCIATED,
 345         WL1271_FLAG_JOINED,
 346         WL1271_FLAG_GPIO_POWER,
 347         WL1271_FLAG_TX_QUEUE_STOPPED,
 348         WL1271_FLAG_TX_PENDING,
 349         WL1271_FLAG_IN_ELP,
 350         WL1271_FLAG_ELP_REQUESTED,
 351         WL1271_FLAG_PSM,
 352         WL1271_FLAG_PSM_REQUESTED,
 353         WL1271_FLAG_IRQ_RUNNING,
 354         WL1271_FLAG_IDLE,
 355         WL1271_FLAG_PSPOLL_FAILURE,
 356         WL1271_FLAG_STA_STATE_SENT,
 357         WL1271_FLAG_FW_TX_BUSY,
 358         WL1271_FLAG_AP_STARTED,
 359         WL1271_FLAG_IF_INITIALIZED,
 360         WL1271_FLAG_DUMMY_PACKET_PENDING,
 361         WL1271_FLAG_SUSPENDED,
 362         WL1271_FLAG_PENDING_WORK,
 363         WL1271_FLAG_SOFT_GEMINI,
 364         WL1271_FLAG_RX_STREAMING_STARTED,
 365         WL1271_FLAG_RECOVERY_IN_PROGRESS,
 366 };
 367
 368 struct wl1271_link {
 369         /* AP-mode - TX queue per AC in link */
 370         struct sk_buff_head tx_queue[NUM_TX_QUEUES];
 371
 372         /* accounting for allocated / available TX blocks in FW */
 373         u8 allocated_blks;
 374         u8 prev_freed_blks;
 375
 376         u8 addr[ETH_ALEN];
 377 };
 378
 379 struct wl1271 {
 380         struct platform_device *plat_dev;
 381         struct ieee80211_hw *hw;
 382         bool mac80211_registered;
 383
 384         void *if_priv;
 385
 386         struct wl1271_if_operations *if_ops;
 387
 388         void (*set_power)(bool enable);
 389         int irq;
 390         int ref_clock;
 391
 392         spinlock_t wl_lock;
 393
 394         enum wl1271_state state;
 395         struct mutex mutex;
 396
 397         unsigned long flags;
 398
 399         struct wl1271_partition_set part;
 400
 401         struct wl1271_chip chip;
 402
 403         int cmd_box_addr;
 404         int event_box_addr;
 405
 406         u8 *fw;
 407         size_t fw_len;
 408         u8 fw_bss_type;
 409         void *nvs;
 410         size_t nvs_len;
 411
 412         s8 hw_pg_ver;
 413
 414         u8 bssid[ETH_ALEN];
 415         u8 mac_addr[ETH_ALEN];
 416         u8 bss_type;
 417         u8 set_bss_type;
 418         u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
 419         u8 ssid_len;
 420         int channel;
 421
 422         struct wl1271_acx_mem_map *target_mem_map;
 423
 424         /* Accounting for allocated / available TX blocks on HW */
 425         u32 tx_blocks_freed[NUM_TX_QUEUES];
 426         u32 tx_blocks_available;
 427         u32 tx_allocated_blocks[NUM_TX_QUEUES];
 428         u32 tx_results_count;
 429
 430         /* Transmitted TX packets counter for chipset interface */
 431         u32 tx_packets_count;
 432
 433         /* Time-offset between host and chipset clocks */
 434         s64 time_offset;
 435
 436         /* Session counter for the chipset */
 437         int session_counter;
 438
 439         /* Frames scheduled for transmission, not handled yet */
 440         struct sk_buff_head tx_queue[NUM_TX_QUEUES];
 441         int tx_queue_count[NUM_TX_QUEUES];
 442         long stopped_queues_map;
 443
 444         /* Frames received, not handled yet by mac80211 */
 445         struct sk_buff_head deferred_rx_queue;
 446
 447         /* Frames sent, not returned yet to mac80211 */
 448         struct sk_buff_head deferred_tx_queue;
 449
 450         struct work_struct tx_work;
 451         struct workqueue_struct *freezable_wq;
 452
 453         /* Pending TX frames */
 454         unsigned long tx_frames_map[BITS_TO_LONGS(ACX_TX_DESCRIPTORS)];
 455         struct sk_buff *tx_frames[ACX_TX_DESCRIPTORS];
 456         int tx_frames_cnt;
 457
 458         /*
 459          * Security sequence number
 460          *     bits 0-15: lower 16 bits part of sequence number
 461          *     bits 16-47: higher 32 bits part of sequence number
 462          *     bits 48-63: not in use
 463          */
 464         u64 tx_security_seq;
 465
 466         /* 8 bits of the last sequence number in use */
 467         u8 tx_security_last_seq_lsb;
 468
 469         /* FW Rx counter */
 470         u32 rx_counter;
 471
 472         /* Rx memory pool address */
 473         struct wl1271_rx_mem_pool_addr rx_mem_pool_addr;
 474
 475         /* Intermediate buffer, used for packet aggregation */
 476         u8 *aggr_buf;
 477
 478         /* Reusable dummy packet template */
 479         struct sk_buff *dummy_packet;
 480
 481         /* Network stack work  */
 482         struct work_struct netstack_work;
 483
 484         /* FW log buffer */
 485         u8 *fwlog;
 486
 487         /* Number of valid bytes in the FW log buffer */
 488         ssize_t fwlog_size;
 489
 490         /* Sysfs FW log entry readers wait queue */
 491         wait_queue_head_t fwlog_waitq;
 492
 493         /* Hardware recovery work */
 494         struct work_struct recovery_work;
 495
 496         /* The mbox event mask */
 497         u32 event_mask;
 498
 499         /* Mailbox pointers */
 500         u32 mbox_ptr[2];
 501
 502         /* Are we currently scanning */
 503         struct wl1271_scan scan;
 504         struct delayed_work scan_complete_work;
 505
 506         bool sched_scanning;
 507
 508         /* probe-req template for the current AP */
 509         struct sk_buff *probereq;
 510
 511         /* Our association ID */
 512         u16 aid;
 513
 514         /*
 515          * currently configured rate set:
 516          *      bits  0-15 - 802.11abg rates
 517          *      bits 16-23 - 802.11n   MCS index mask
 518          * support only 1 stream, thus only 8 bits for the MCS rates (0-7).
 519          */
 520         u32 basic_rate_set;
 521         u32 basic_rate;
 522         u32 rate_set;
 523
 524         /* The current band */
 525         enum ieee80211_band band;
 526
 527         /* Beaconing interval (needed for ad-hoc) */
 528         u32 beacon_int;
 529
 530         /* Default key (for WEP) */
 531         u32 default_key;
 532
 533         /* Rx Streaming */
 534         struct work_struct rx_streaming_enable_work;
 535         struct work_struct rx_streaming_disable_work;
 536         struct timer_list rx_streaming_timer;
 537
 538         unsigned int filters;
 539         unsigned int rx_config;
 540         unsigned int rx_filter;
 541
 542         struct completion *elp_compl;
 543         struct completion *ps_compl;
 544         struct delayed_work elp_work;
 545         struct delayed_work pspoll_work;
 546
 547         /* counter for ps-poll delivery failures */
 548         int ps_poll_failures;
 549
 550         /* retry counter for PSM entries */
 551         u8 psm_entry_retry;
 552
 553         /* in dBm */
 554         int power_level;
 555
 556         int rssi_thold;
 557         int last_rssi_event;
 558
 559         struct wl1271_stats stats;
 560
 561         __le32 buffer_32;
 562         u32 buffer_cmd;
 563         u32 buffer_busyword[WL1271_BUSY_WORD_CNT];
 564
 565         struct wl1271_fw_full_status *fw_status;
 566         struct wl1271_tx_hw_res_if *tx_res_if;
 567
 568         struct ieee80211_vif *vif;
 569
 570         /* Current chipset configuration */
 571         struct conf_drv_settings conf;
 572
 573         bool sg_enabled;
 574
 575         bool enable_11a;
 576
 577         struct list_head list;
 578
 579         /* Most recently reported noise in dBm */
 580         s8 noise;
 581
 582         /* map for HLIDs of associated stations - when operating in AP mode */
 583         unsigned long ap_hlid_map[BITS_TO_LONGS(AP_MAX_STATIONS)];
 584
 585         /* recoreded keys for AP-mode - set here before AP startup */
 586         struct wl1271_ap_key *recorded_ap_keys[MAX_NUM_KEYS];
 587
 588         /* bands supported by this instance of wl12xx */
 589         struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
 590
 591         /* RX BA constraint value */
 592         bool ba_support;
 593         u8 ba_rx_bitmap;
 594         bool ba_allowed;
 595
 596         int tcxo_clock;
 597
 598         /*
 599          * wowlan trigger was configured during suspend.
 600          * (currently, only "ANY" trigger is supported)
 601          */
 602         bool wow_enabled;
 603         bool irq_wake_enabled;
 604
 605         /*
 606          * AP-mode - links indexed by HLID. The global and broadcast links
 607          * are always active.
 608          */
 609         struct wl1271_link links[AP_MAX_LINKS];
 610
 611         /* the hlid of the link where the last transmitted skb came from */
 612         int last_tx_hlid;
 613
 614         /* AP-mode - a bitmap of links currently in PS mode according to FW */
 615         u32 ap_fw_ps_map;
 616
 617         /* AP-mode - a bitmap of links currently in PS mode in mac80211 */
 618         unsigned long ap_ps_map;
 619
 620         /* Quirks of specific hardware revisions */
 621         unsigned int quirks;
 622
 623         /* Platform limitations */
 624         unsigned int platform_quirks;
 625 };
 626
 627 struct wl1271_station {
 628         u8 hlid;
 629 };
 630
 631 int wl1271_plt_start(struct wl1271 *wl);
 632 int wl1271_plt_stop(struct wl1271 *wl);
 633 int wl1271_recalc_rx_streaming(struct wl1271 *wl);
 634 void wl12xx_queue_recovery_work(struct wl1271 *wl);
 635 size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen);
 636
 637 #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */
 638
 639 #define SESSION_COUNTER_MAX 7 /* maximum value for the session counter */
 640
 641 #define WL1271_DEFAULT_POWER_LEVEL 0
 642
 643 #define WL1271_TX_QUEUE_LOW_WATERMARK  32
 644 #define WL1271_TX_QUEUE_HIGH_WATERMARK 256
 645
 646 #define WL1271_DEFERRED_QUEUE_LIMIT    64
 647
 648 /* WL1271 needs a 200ms sleep after power on, and a 20ms sleep before power
 649    on in case is has been shut down shortly before */
 650 #define WL1271_PRE_POWER_ON_SLEEP 20 /* in milliseconds */
 651 #define WL1271_POWER_ON_SLEEP 200 /* in milliseconds */
 652
 653 /* Macros to handle wl1271.sta_rate_set */
 654 #define HW_BG_RATES_MASK        0xffff
 655 #define HW_HT_RATES_OFFSET      16
 656
 657 /* Quirks */
 658
 659 /* Each RX/TX transaction requires an end-of-transaction transfer */
 660 #define WL12XX_QUIRK_END_OF_TRANSACTION         BIT(0)
 661
 662 /*
 663  * Older firmwares use 2 spare TX blocks
 664  * (for STA < 6.1.3.50.58 or for AP < 6.2.0.0.47)
 665  */
 666 #define WL12XX_QUIRK_USE_2_SPARE_BLOCKS         BIT(1)
 667
 668 /* WL128X requires aggregated packets to be aligned to the SDIO block size */
 669 #define WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT        BIT(2)
 670
 671 /*
 672  * WL127X AP mode requires Low Power DRPw (LPD) enable to reduce power
 673  * consumption
 674  */
 675 #define WL12XX_QUIRK_LPD_MODE                   BIT(3)
 676
 677 /* Older firmwares did not implement the FW logger over bus feature */
 678 #define WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED      BIT(4)
 679
 680 #define WL12XX_HW_BLOCK_SIZE    256
 681
 682 #endif