sys/dev/netif/bwi/if_bwivar.h

   1 /*
   2  * Copyright (c) 2007 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Sepherosa Ziehau <sepherosa@gmail.com>
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  * 3. Neither the name of The DragonFly Project nor the names of its
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific, prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  * $DragonFly: src/sys/dev/netif/bwi/if_bwivar.h,v 1.5 2007/09/16 08:25:41 sephe Exp $
  35  */
  36
  37 #ifndef _IF_BWIVAR_H
  38 #define _IF_BWIVAR_H
  39
  40 #define BWI_ALIGN               0x1000
  41 #define BWI_RING_ALIGN          BWI_ALIGN
  42 #define BWI_BUS_SPACE_MAXADDR   0x3fffffff
  43
  44 #define BWI_TX_NRING            6
  45 #define BWI_TXRX_NRING          6
  46 #define BWI_TX_NDESC            128
  47 #define BWI_RX_NDESC            64
  48 #define BWI_TXSTATS_NDESC       64
  49 #define BWI_TX_NSPRDESC         2
  50 #define BWI_TX_DATA_RING        1
  51
  52 /* XXX Onoe/Sample/AMRR probably need different configuration */
  53 #define BWI_SHRETRY             7
  54 #define BWI_LGRETRY             4
  55 #define BWI_SHRETRY_FB          3
  56 #define BWI_LGRETRY_FB          2
  57
  58 #define BWI_NOISE_FLOOR         -95     /* TODO: noise floor calc */
  59 #define BWI_FRAME_MIN_LEN(hdr)  \
  60         ((hdr) + sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
  61
  62 #define CSR_READ_4(sc, reg)             \
  63         bus_space_read_4((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg))
  64 #define CSR_READ_2(sc, reg)             \
  65         bus_space_read_2((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg))
  66
  67 #define CSR_WRITE_4(sc, reg, val)       \
  68         bus_space_write_4((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg), (val))
  69 #define CSR_WRITE_2(sc, reg, val)       \
  70         bus_space_write_2((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg), (val))
  71
  72 #define CSR_SETBITS_4(sc, reg, bits)    \
  73         CSR_WRITE_4((sc), (reg), CSR_READ_4((sc), (reg)) | (bits))
  74 #define CSR_SETBITS_2(sc, reg, bits)    \
  75         CSR_WRITE_2((sc), (reg), CSR_READ_2((sc), (reg)) | (bits))
  76
  77 #define CSR_FILT_SETBITS_4(sc, reg, filt, bits) \
  78         CSR_WRITE_4((sc), (reg), (CSR_READ_4((sc), (reg)) & (filt)) | (bits))
  79 #define CSR_FILT_SETBITS_2(sc, reg, filt, bits) \
  80         CSR_WRITE_2((sc), (reg), (CSR_READ_2((sc), (reg)) & (filt)) | (bits))
  81
  82 #define CSR_CLRBITS_4(sc, reg, bits)    \
  83         CSR_WRITE_4((sc), (reg), CSR_READ_4((sc), (reg)) & ~(bits))
  84 #define CSR_CLRBITS_2(sc, reg, bits)    \
  85         CSR_WRITE_2((sc), (reg), CSR_READ_2((sc), (reg)) & ~(bits))
  86
  87 #define BWI_DEBUG
  88 #ifdef BWI_DEBUG
  89 #define DPRINTF(sc, fmt, ...)   if_printf(&sc->sc_ic.ic_if, fmt, __VA_ARGS__)
  90 #else
  91 #define DPRINTF(sc, fmt, ...)   ((void)0)
  92 #endif
  93
  94 struct bwi_desc32 {
  95         /* Little endian */
  96         uint32_t        ctrl;
  97         uint32_t        addr;   /* BWI_DESC32_A_ */
  98 } __packed;
  99
 100 #define BWI_DESC32_A_FUNC_TXRX          0x1
 101 #define BWI_DESC32_A_FUNC_MASK          __BITS(31, 30)
 102 #define BWI_DESC32_A_ADDR_MASK          __BITS(29, 0)
 103
 104 #define BWI_DESC32_C_BUFLEN_MASK        __BITS(12, 0)
 105 #define BWI_DESC32_C_ADDRHI_MASK        __BITS(17, 16)
 106 #define BWI_DESC32_C_EOR                __BIT(28)
 107 #define BWI_DESC32_C_INTR               __BIT(29)
 108 #define BWI_DESC32_C_FRAME_END          __BIT(30)
 109 #define BWI_DESC32_C_FRAME_START        __BIT(31)
 110
 111 struct bwi_desc64 {
 112         /* Little endian */
 113         uint32_t        ctrl0;
 114         uint32_t        ctrl1;
 115         uint32_t        addr_lo;
 116         uint32_t        addr_hi;
 117 } __packed;
 118
 119 struct bwi_rxbuf_hdr {
 120         /* Little endian */
 121         uint16_t        rxh_buflen;     /* exclude bwi_rxbuf_hdr */
 122         uint8_t         rxh_pad1[2];
 123         uint16_t        rxh_flags1;     /* BWI_RXH_F1_ */
 124         uint8_t         rxh_rssi;
 125         uint8_t         rxh_sq;
 126         uint16_t        rxh_phyinfo;    /* BWI_RXH_PHYINFO_ */
 127         uint16_t        rxh_flags3;     /* BWI_RXH_F3_ */
 128         uint16_t        rxh_flags2;     /* BWI_RXH_F2_ */
 129         uint16_t        rxh_tsf;
 130         uint8_t         rxh_pad3[14];   /* Padded to 30bytes */
 131 } __packed;
 132
 133 #define BWI_RXH_F1_BCM2053_RSSI __BIT(14)
 134 #define BWI_RXH_F1_SHPREAMBLE   __BIT(7)
 135 #define BWI_RXH_F1_OFDM         __BIT(0)
 136
 137 #define BWI_RXH_F2_TYPE2FRAME   __BIT(2)
 138
 139 #define BWI_RXH_F3_BCM2050_RSSI __BIT(10)
 140
 141 #define BWI_RXH_PHYINFO_LNAGAIN __BITS(15, 14)
 142
 143 struct bwi_txbuf_hdr {
 144         /* Little endian */
 145         uint32_t        txh_mac_ctrl;   /* BWI_TXH_MAC_C_ */
 146         uint8_t         txh_fc[2];
 147         uint16_t        txh_unknown1;
 148         uint16_t        txh_phy_ctrl;   /* BWI_TXH_PHY_C_ */
 149         uint8_t         txh_ivs[16];
 150         uint8_t         txh_addr1[IEEE80211_ADDR_LEN];
 151         uint16_t        txh_unknown2;
 152         uint8_t         txh_rts_fb_plcp[4];
 153         uint16_t        txh_rts_fb_duration;
 154         uint8_t         txh_fb_plcp[4];
 155         uint16_t        txh_fb_duration;
 156         uint8_t         txh_pad2[2];
 157         uint16_t        txh_id;         /* BWI_TXH_ID_ */
 158         uint16_t        txh_unknown3;
 159         uint8_t         txh_rts_plcp[6];
 160         uint8_t         txh_rts_fc[2];
 161         uint16_t        txh_rts_duration;
 162         uint8_t         txh_rts_ra[IEEE80211_ADDR_LEN];
 163         uint8_t         txh_rts_ta[IEEE80211_ADDR_LEN];
 164         uint8_t         txh_pad3[2];
 165         uint8_t         txh_plcp[6];
 166 } __packed;
 167
 168 #define BWI_TXH_ID_RING_MASK            __BITS(15, 13)
 169 #define BWI_TXH_ID_IDX_MASK             __BITS(12, 0)
 170
 171 #define BWI_TXH_PHY_C_OFDM              __BIT(0)
 172 #define BWI_TXH_PHY_C_SHPREAMBLE        __BIT(4)
 173 #define BWI_TXH_PHY_C_ANTMODE_MASK      __BITS(9, 8)
 174
 175 #define BWI_TXH_MAC_C_ACK               __BIT(0)
 176 #define BWI_TXH_MAC_C_FIRST_FRAG        __BIT(3)
 177 #define BWI_TXH_MAC_C_HWSEQ             __BIT(4)
 178 #define BWI_TXH_MAC_C_FB_OFDM           __BIT(8)
 179
 180 struct bwi_txstats {
 181         /* Little endian */
 182         uint8_t         txs_pad1[4];
 183         uint16_t        txs_id;
 184         uint8_t         txs_flags;      /* BWI_TXS_F_ */
 185         uint8_t         txs_txcnt;      /* BWI_TXS_TXCNT_ */
 186         uint8_t         txs_pad2[2];
 187         uint16_t        txs_seq;
 188         uint16_t        txs_unknown;
 189         uint8_t         txs_pad3[2];    /* Padded to 16bytes */
 190 } __packed;
 191
 192 #define BWI_TXS_TXCNT_DATA      __BITS(7, 4)
 193
 194 #define BWI_TXS_F_ACKED         __BIT(0)
 195 #define BWI_TXS_F_PENDING       __BIT(5)
 196
 197 struct bwi_ring_data {
 198         uint32_t                rdata_txrx_ctrl;
 199         bus_dmamap_t            rdata_dmap;
 200         bus_addr_t              rdata_paddr;
 201         void                    *rdata_desc;
 202 };
 203
 204 struct bwi_txbuf {
 205         struct mbuf             *tb_mbuf;
 206         bus_dmamap_t            tb_dmap;
 207
 208         struct ieee80211_node   *tb_ni;
 209         int                     tb_rate_idx[2];
 210 };
 211
 212 struct bwi_txbuf_data {
 213         struct bwi_txbuf        tbd_buf[BWI_TX_NDESC];
 214         int                     tbd_used;
 215         int                     tbd_idx;
 216 };
 217
 218 struct bwi_rxbuf {
 219         struct mbuf             *rb_mbuf;
 220         bus_addr_t              rb_paddr;
 221         bus_dmamap_t            rb_dmap;
 222 };
 223
 224 struct bwi_rxbuf_data {
 225         struct bwi_rxbuf        rbd_buf[BWI_RX_NDESC];
 226         bus_dmamap_t            rbd_tmp_dmap;
 227         int                     rbd_idx;
 228 };
 229
 230 struct bwi_txstats_data {
 231         bus_dma_tag_t           stats_ring_dtag;
 232         bus_dmamap_t            stats_ring_dmap;
 233         bus_addr_t              stats_ring_paddr;
 234         void                    *stats_ring;
 235
 236         bus_dma_tag_t           stats_dtag;
 237         bus_dmamap_t            stats_dmap;
 238         bus_addr_t              stats_paddr;
 239         struct bwi_txstats      *stats;
 240
 241         uint32_t                stats_ctrl_base;
 242         int                     stats_idx;
 243 };
 244
 245 struct bwi_fwhdr {
 246         /* Big endian */
 247         uint8_t         fw_type;        /* BWI_FW_T_ */
 248         uint8_t         fw_gen;         /* BWI_FW_GEN */
 249         uint8_t         fw_pad[2];
 250         uint32_t        fw_size;
 251 #define fw_iv_cnt       fw_size
 252 } __packed;
 253
 254 #define BWI_FWHDR_SZ            sizeof(struct bwi_fwhdr)
 255
 256 #define BWI_FW_T_UCODE          'u'
 257 #define BWI_FW_T_PCM            'p'
 258 #define BWI_FW_T_IV             'i'
 259
 260 #define BWI_FW_GEN_1            1
 261
 262 #define BWI_FW_VERSION3         3
 263 #define BWI_FW_VERSION4         4
 264 #define BWI_FW_VERSION3_REVMAX  0x128
 265
 266 #define BWI_FW_PATH             "bwi/v%d/"
 267 #define BWI_FW_UCODE_PATH       BWI_FW_PATH "ucode%d.fw"
 268 #define BWI_FW_PCM_PATH         BWI_FW_PATH "pcm%d.fw"
 269 #define BWI_FW_IV_PATH          BWI_FW_PATH "b0g0initvals%d.fw"
 270 #define BWI_FW_IV_EXT_PATH      BWI_FW_PATH "b0g0bsinitvals%d.fw"
 271
 272 struct bwi_fw_iv {
 273         /* Big endian */
 274         uint16_t                iv_ofs;
 275         union {
 276                 uint32_t        val32;
 277                 uint16_t        val16;
 278         }                       iv_val;
 279 } __packed;
 280
 281 #define BWI_FW_IV_OFS_MASK      __BITS(14, 0)
 282 #define BWI_FW_IV_IS_32BIT      __BIT(15)
 283
 284 enum bwi_clock_mode {
 285         BWI_CLOCK_MODE_SLOW,
 286         BWI_CLOCK_MODE_FAST,
 287         BWI_CLOCK_MODE_DYN
 288 };
 289
 290 struct bwi_regwin {
 291         uint32_t                rw_flags;       /* BWI_REGWIN_F_ */
 292         uint16_t                rw_type;        /* BWI_REGWIN_T_ */
 293         uint8_t                 rw_id;
 294         uint8_t                 rw_rev;
 295 };
 296
 297 #define BWI_REGWIN_F_EXIST      0x1
 298
 299 #define BWI_CREATE_REGWIN(rw, id, type, rev)    \
 300 do {                                            \
 301         (rw)->rw_flags = BWI_REGWIN_F_EXIST;    \
 302         (rw)->rw_type = (type);                 \
 303         (rw)->rw_id = (id);                     \
 304         (rw)->rw_rev = (rev);                   \
 305 } while (0)
 306
 307 #define BWI_REGWIN_EXIST(rw)    ((rw)->rw_flags & BWI_REGWIN_F_EXIST)
 308 #define BWI_GPIO_REGWIN(sc) \
 309         (BWI_REGWIN_EXIST(&(sc)->sc_com_regwin) ? \
 310                 &(sc)->sc_com_regwin : &(sc)->sc_bus_regwin)
 311
 312 struct bwi_mac;
 313
 314 struct bwi_phy {
 315         enum ieee80211_phymode  phy_mode;
 316         int                     phy_rev;
 317         int                     phy_version;
 318
 319         uint32_t                phy_flags;              /* BWI_PHY_F_ */
 320         uint16_t                phy_tbl_ctrl;
 321         uint16_t                phy_tbl_data_lo;
 322         uint16_t                phy_tbl_data_hi;
 323
 324         void                    (*phy_init)(struct bwi_mac *);
 325 };
 326
 327 #define BWI_PHY_F_CALIBRATED    0x1
 328 #define BWI_PHY_F_LINKED        0x2
 329 #define BWI_CLEAR_PHY_FLAGS     (BWI_PHY_F_CALIBRATED)
 330
 331 /* TX power control */
 332 struct bwi_tpctl {
 333         uint16_t                bbp_atten;      /* BBP attenuation: 4bits */
 334         uint16_t                rf_atten;       /* RF attenuation */
 335         uint16_t                tp_ctrl1;       /* ??: 3bits */
 336         uint16_t                tp_ctrl2;       /* ??: 4bits */
 337 };
 338
 339 #define BWI_RF_ATTEN_FACTOR     4
 340 #define BWI_RF_ATTEN_MAX0       9
 341 #define BWI_RF_ATTEN_MAX1       31
 342 #define BWI_BBP_ATTEN_MAX       11
 343 #define BWI_TPCTL1_MAX          7
 344
 345 struct bwi_rf_lo {
 346         int8_t                  ctrl_lo;
 347         int8_t                  ctrl_hi;
 348 };
 349
 350 struct bwi_rf {
 351         uint16_t                rf_type;        /* BWI_RF_T_ */
 352         uint16_t                rf_manu;
 353         int                     rf_rev;
 354
 355         uint32_t                rf_flags;       /* BWI_RF_F_ */
 356
 357 #define BWI_RFLO_MAX            56
 358         struct bwi_rf_lo        rf_lo[BWI_RFLO_MAX];
 359         uint8_t                 rf_lo_used[8];
 360
 361 #define BWI_INVALID_NRSSI       -1000
 362         int16_t                 rf_nrssi[2];    /* Narrow RSSI */
 363         int32_t                 rf_nrssi_slope;
 364
 365 #define BWI_NRSSI_TBLSZ         64
 366         int8_t                  rf_nrssi_table[BWI_NRSSI_TBLSZ];
 367
 368         uint16_t                rf_lo_gain;     /* loopback gain */
 369         uint16_t                rf_rx_gain;     /* TRSW RX gain */
 370
 371         uint16_t                rf_calib;       /* RF calibration value */
 372         u_int                   rf_curchan;     /* current channel */
 373
 374         uint16_t                rf_ctrl_rd;
 375         int                     rf_ctrl_adj;
 376         void                    (*rf_off)(struct bwi_mac *);
 377         void                    (*rf_on)(struct bwi_mac *);
 378
 379         void                    (*rf_set_nrssi_thr)(struct bwi_mac *);
 380         void                    (*rf_calc_nrssi_slope)(struct bwi_mac *);
 381         int                     (*rf_calc_rssi)
 382                                 (struct bwi_mac *,
 383                                  const struct bwi_rxbuf_hdr *);
 384
 385 #define BWI_TSSI_MAX            64
 386         int8_t                  rf_txpower_map0[BWI_TSSI_MAX];
 387                                                 /* Indexed by TSSI */
 388         int                     rf_idle_tssi0;
 389
 390         int8_t                  rf_txpower_map[BWI_TSSI_MAX];
 391         int                     rf_idle_tssi;
 392
 393         int                     rf_base_tssi;
 394
 395         int                     rf_txpower_max; /* dBm */
 396
 397         int                     rf_ant_mode;    /* BWI_ANT_MODE_ */
 398 };
 399
 400 #define BWI_RF_F_INITED         0x1
 401 #define BWI_RF_F_ON             0x2
 402 #define BWI_RF_CLEAR_FLAGS      (BWI_RF_F_INITED)
 403
 404 #define BWI_ANT_MODE_0          0
 405 #define BWI_ANT_MODE_1          1
 406 #define BWI_ANT_MODE_UNKN       2
 407 #define BWI_ANT_MODE_AUTO       3
 408
 409 struct bwi_softc;
 410 struct fw_image;
 411
 412 struct bwi_mac {
 413         struct bwi_regwin       mac_regwin;     /* MUST be first field */
 414 #define mac_rw_flags    mac_regwin.rw_flags
 415 #define mac_type        mac_regwin.rw_type
 416 #define mac_id          mac_regwin.rw_id
 417 #define mac_rev         mac_regwin.rw_rev
 418
 419         struct bwi_softc        *mac_sc;
 420
 421         struct bwi_phy          mac_phy;        /* PHY I/F */
 422         struct bwi_rf           mac_rf;         /* RF I/F */
 423
 424         struct bwi_tpctl        mac_tpctl;      /* TX power control */
 425         uint32_t                mac_flags;      /* BWI_MAC_F_ */
 426
 427         struct fw_image         *mac_ucode;
 428         struct fw_image         *mac_pcm;
 429         struct fw_image         *mac_iv;
 430         struct fw_image         *mac_iv_ext;
 431 };
 432
 433 #define BWI_MAC_F_BSWAP         0x1
 434 #define BWI_MAC_F_TPCTL_INITED  0x2
 435 #define BWI_MAC_F_HAS_TXSTATS   0x4
 436 #define BWI_MAC_F_INITED        0x8
 437 #define BWI_MAC_F_ENABLED       0x10
 438 #define BWI_MAC_F_LOCKED        0x20    /* for debug */
 439 #define BWI_MAC_F_TPCTL_ERROR   0x40
 440
 441 #define BWI_CREATE_MAC(mac, sc, id, rev)        \
 442 do {                                            \
 443         BWI_CREATE_REGWIN(&(mac)->mac_regwin,   \
 444                           (id),                 \
 445                           BWI_REGWIN_T_MAC,     \
 446                           (rev));               \
 447         (mac)->mac_sc = (sc);                   \
 448 } while (0)
 449
 450 #define BWI_MAC_MAX             2
 451
 452 enum bwi_bus_space {
 453         BWI_BUS_SPACE_30BIT = 1,
 454         BWI_BUS_SPACE_32BIT,
 455         BWI_BUS_SPACE_64BIT
 456 };
 457
 458 #define BWI_TX_RADIOTAP_PRESENT                 \
 459         ((1 << IEEE80211_RADIOTAP_FLAGS) |      \
 460          (1 << IEEE80211_RADIOTAP_RATE) |       \
 461          (1 << IEEE80211_RADIOTAP_CHANNEL))
 462
 463 struct bwi_tx_radiotap_hdr {
 464         struct ieee80211_radiotap_header wt_ihdr;
 465         uint8_t         wt_flags;
 466         uint8_t         wt_rate;
 467         uint16_t        wt_chan_freq;
 468         uint16_t        wt_chan_flags;
 469 };
 470
 471 #define BWI_RX_RADIOTAP_PRESENT                         \
 472         ((1 << IEEE80211_RADIOTAP_TSFT) |               \
 473          (1 << IEEE80211_RADIOTAP_FLAGS) |              \
 474          (1 << IEEE80211_RADIOTAP_RATE) |               \
 475          (1 << IEEE80211_RADIOTAP_CHANNEL) |            \
 476          (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |      \
 477          (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))
 478
 479 struct bwi_rx_radiotap_hdr {
 480         struct ieee80211_radiotap_header wr_ihdr;
 481         uint64_t        wr_tsf;
 482         uint8_t         wr_flags;
 483         uint8_t         wr_rate;
 484         uint16_t        wr_chan_freq;
 485         uint16_t        wr_chan_flags;
 486         int8_t          wr_antsignal;
 487         int8_t          wr_antnoise;
 488         /* TODO: sq */
 489 };
 490
 491 struct bwi_softc {
 492         struct ieee80211com     sc_ic;
 493         uint32_t                sc_flags;       /* BWI_F_ */
 494         device_t                sc_dev;
 495
 496         uint32_t                sc_cap;         /* BWI_CAP_ */
 497         uint16_t                sc_bbp_id;      /* BWI_BBPID_ */
 498         uint8_t                 sc_bbp_rev;
 499         uint8_t                 sc_bbp_pkg;
 500
 501         uint8_t                 sc_pci_revid;
 502         uint16_t                sc_pci_subvid;
 503         uint16_t                sc_pci_subdid;
 504
 505         uint16_t                sc_card_flags;  /* BWI_CARD_F_ */
 506         uint16_t                sc_pwron_delay;
 507         int                     sc_locale;
 508
 509         int                     sc_irq_rid;
 510         struct resource         *sc_irq_res;
 511         void                    *sc_irq_handle;
 512
 513         int                     sc_mem_rid;
 514         struct resource         *sc_mem_res;
 515         bus_space_tag_t         sc_mem_bt;
 516         bus_space_handle_t      sc_mem_bh;
 517
 518         struct callout          sc_scan_ch;
 519         struct callout          sc_calib_ch;
 520
 521         struct bwi_regwin       *sc_cur_regwin;
 522         struct bwi_regwin       sc_com_regwin;
 523         struct bwi_regwin       sc_bus_regwin;
 524
 525         int                     sc_nmac;
 526         struct bwi_mac          sc_mac[BWI_MAC_MAX];
 527
 528         enum bwi_bus_space      sc_bus_space;
 529         bus_dma_tag_t           sc_parent_dtag;
 530
 531         bus_dma_tag_t           sc_buf_dtag;
 532         struct bwi_txbuf_data   sc_tx_bdata[BWI_TX_NRING];
 533         struct bwi_rxbuf_data   sc_rx_bdata;
 534
 535         bus_dma_tag_t           sc_txring_dtag;
 536         struct bwi_ring_data    sc_tx_rdata[BWI_TX_NRING];
 537         bus_dma_tag_t           sc_rxring_dtag;
 538         struct bwi_ring_data    sc_rx_rdata;
 539
 540         struct bwi_txstats_data *sc_txstats;
 541
 542         int                     sc_tx_timer;
 543
 544         struct bpf_if           *sc_drvbpf;
 545
 546         union {
 547                 struct bwi_tx_radiotap_hdr u_tx_th;
 548                 uint8_t         u_pad[IEEE80211_RADIOTAP_HDRLEN];
 549         } sc_u_tx_th;
 550 #define sc_tx_th        sc_u_tx_th.u_tx_th
 551         int                     sc_tx_th_len;
 552
 553         union {
 554                 struct bwi_rx_radiotap_hdr u_rx_th;
 555                 uint8_t         u_pad[IEEE80211_RADIOTAP_HDRLEN];
 556         } sc_u_rx_th;
 557 #define sc_rx_th        sc_u_rx_th.u_rx_th
 558         int                     sc_rx_th_len;
 559
 560         int                     (*sc_newstate)
 561                                 (struct ieee80211com *,
 562                                  enum ieee80211_state, int);
 563
 564         int                     (*sc_init_tx_ring)(struct bwi_softc *, int);
 565         void                    (*sc_free_tx_ring)(struct bwi_softc *, int);
 566
 567         int                     (*sc_init_rx_ring)(struct bwi_softc *);
 568         void                    (*sc_free_rx_ring)(struct bwi_softc *);
 569
 570         int                     (*sc_init_txstats)(struct bwi_softc *);
 571         void                    (*sc_free_txstats)(struct bwi_softc *);
 572
 573         void                    (*sc_setup_rxdesc)
 574                                 (struct bwi_softc *, int, bus_addr_t, int);
 575         void                    (*sc_rxeof)(struct bwi_softc *);
 576
 577         void                    (*sc_setup_txdesc)
 578                                 (struct bwi_softc *, struct bwi_ring_data *,
 579                                  int, bus_addr_t, int);
 580         void                    (*sc_start_tx)
 581                                 (struct bwi_softc *, uint32_t, int);
 582
 583         void                    (*sc_txeof_status)(struct bwi_softc *);
 584
 585         /* Sysctl variables */
 586         int                     sc_fw_version;  /* BWI_FW_VERSION[34] */
 587         int                     sc_dwell_time;  /* milliseconds */
 588 };
 589
 590 #define BWI_F_BUS_INITED        0x1
 591 #define BWI_F_PROMISC           0x2
 592
 593 uint16_t        bwi_read_sprom(struct bwi_softc *, uint16_t);
 594 int             bwi_regwin_switch(struct bwi_softc *, struct bwi_regwin *,
 595                                   struct bwi_regwin **);
 596 int             bwi_regwin_is_enabled(struct bwi_softc *, struct bwi_regwin *);
 597 void            bwi_regwin_enable(struct bwi_softc *, struct bwi_regwin *,
 598                                   uint32_t);
 599 void            bwi_regwin_disable(struct bwi_softc *, struct bwi_regwin *,
 600                                    uint32_t);
 601 int             bwi_bus_init(struct bwi_softc *, struct bwi_mac *);
 602 uint8_t         bwi_rate2plcp(uint8_t); /* XXX belongs to 802.11 */
 603
 604 #define abs(a)  __builtin_abs(a)
 605
 606 #endif  /* !_IF_BWIVAR_H */