The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/wpi/if_wpireg.h

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    1 /*      $FreeBSD$       */
    2 
    3 /*-
    4  * Copyright (c) 2006,2007
    5  *      Damien Bergamini <damien.bergamini@free.fr>
    6  *
    7  * Permission to use, copy, modify, and distribute this software for any
    8  * purpose with or without fee is hereby granted, provided that the above
    9  * copyright notice and this permission notice appear in all copies.
   10  *
   11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   18  */
   19 
   20 #define WPI_TX_RING_COUNT       256
   21 #define WPI_TX_RING_LOMARK      192
   22 #define WPI_TX_RING_HIMARK      224
   23 
   24 #ifdef DIAGNOSTIC
   25 #define WPI_RX_RING_COUNT_LOG   8
   26 #else
   27 #define WPI_RX_RING_COUNT_LOG   6
   28 #endif
   29 
   30 #define WPI_RX_RING_COUNT       (1 << WPI_RX_RING_COUNT_LOG)
   31 
   32 #define WPI_NTXQUEUES           8
   33 #define WPI_DRV_NTXQUEUES       5
   34 #define WPI_CMD_QUEUE_NUM       4
   35 
   36 #define WPI_NDMACHNLS           6
   37 
   38 /* Maximum scatter/gather. */
   39 #define WPI_MAX_SCATTER         4
   40 
   41 /*
   42  * Rings must be aligned on a 16K boundary.
   43  */
   44 #define WPI_RING_DMA_ALIGN      0x4000
   45 
   46 /* Maximum Rx buffer size. */
   47 #define WPI_RBUF_SIZE ( 3 * 1024 ) /* XXX 3000 but must be aligned */
   48 
   49 /*
   50  * Control and status registers.
   51  */
   52 #define WPI_HW_IF_CONFIG        0x000
   53 #define WPI_INT                 0x008
   54 #define WPI_INT_MASK            0x00c
   55 #define WPI_FH_INT              0x010
   56 #define WPI_GPIO_IN             0x018
   57 #define WPI_RESET               0x020
   58 #define WPI_GP_CNTRL            0x024
   59 #define WPI_EEPROM              0x02c
   60 #define WPI_EEPROM_GP           0x030
   61 #define WPI_GIO                 0x03c
   62 #define WPI_UCODE_GP1           0x054
   63 #define WPI_UCODE_GP1_SET       0x058
   64 #define WPI_UCODE_GP1_CLR       0x05c
   65 #define WPI_UCODE_GP2           0x060
   66 #define WPI_GIO_CHICKEN         0x100
   67 #define WPI_ANA_PLL             0x20c
   68 #define WPI_DBG_HPET_MEM        0x240
   69 #define WPI_MEM_RADDR           0x40c
   70 #define WPI_MEM_WADDR           0x410
   71 #define WPI_MEM_WDATA           0x418
   72 #define WPI_MEM_RDATA           0x41c
   73 #define WPI_PRPH_WADDR          0x444
   74 #define WPI_PRPH_RADDR          0x448
   75 #define WPI_PRPH_WDATA          0x44c
   76 #define WPI_PRPH_RDATA          0x450
   77 #define WPI_HBUS_TARG_WRPTR     0x460
   78 
   79 /*
   80  * Flow-Handler registers.
   81  */
   82 #define WPI_FH_CBBC_CTRL(qid)   (0x940 + (qid) * 8)
   83 #define WPI_FH_CBBC_BASE(qid)   (0x944 + (qid) * 8)
   84 #define WPI_FH_RX_CONFIG        0xc00
   85 #define WPI_FH_RX_BASE          0xc04
   86 #define WPI_FH_RX_WPTR          0xc20
   87 #define WPI_FH_RX_RPTR_ADDR     0xc24
   88 #define WPI_FH_RSSR_TBL         0xcc0
   89 #define WPI_FH_RX_STATUS        0xcc4
   90 #define WPI_FH_TX_CONFIG(qid)   (0xd00 + (qid) * 32)
   91 #define WPI_FH_TX_BASE          0xe80
   92 #define WPI_FH_MSG_CONFIG       0xe88
   93 #define WPI_FH_TX_STATUS        0xe90
   94 
   95 /*
   96  * NIC internal memory offsets.
   97  */
   98 #define WPI_ALM_SCHED_MODE              0x2e00
   99 #define WPI_ALM_SCHED_ARASTAT           0x2e04
  100 #define WPI_ALM_SCHED_TXFACT            0x2e10
  101 #define WPI_ALM_SCHED_TXF4MF            0x2e14
  102 #define WPI_ALM_SCHED_TXF5MF            0x2e20
  103 #define WPI_ALM_SCHED_SBYPASS_MODE1     0x2e2c
  104 #define WPI_ALM_SCHED_SBYPASS_MODE2     0x2e30
  105 #define WPI_APMG_CLK_CTRL               0x3000
  106 #define WPI_APMG_CLK_EN                 0x3004
  107 #define WPI_APMG_CLK_DIS                0x3008
  108 #define WPI_APMG_PS                     0x300c
  109 #define WPI_APMG_PCI_STT                0x3010
  110 #define WPI_APMG_RFKILL                 0x3014
  111 #define WPI_BSM_WR_CTRL                 0x3400
  112 #define WPI_BSM_WR_MEM_SRC              0x3404
  113 #define WPI_BSM_WR_MEM_DST              0x3408
  114 #define WPI_BSM_WR_DWCOUNT              0x340c
  115 #define WPI_BSM_DRAM_TEXT_ADDR          0x3490
  116 #define WPI_BSM_DRAM_TEXT_SIZE          0x3494
  117 #define WPI_BSM_DRAM_DATA_ADDR          0x3498
  118 #define WPI_BSM_DRAM_DATA_SIZE          0x349c
  119 #define WPI_BSM_SRAM_BASE               0x3800
  120 
  121 /* Possible flags for register WPI_HW_IF_CONFIG. */
  122 #define WPI_HW_IF_CONFIG_ALM_MB         (1 << 8)
  123 #define WPI_HW_IF_CONFIG_ALM_MM         (1 << 9)
  124 #define WPI_HW_IF_CONFIG_SKU_MRC        (1 << 10)
  125 #define WPI_HW_IF_CONFIG_REV_D          (1 << 11)
  126 #define WPI_HW_IF_CONFIG_TYPE_B         (1 << 12)
  127 
  128 /* Possible flags for registers WPI_PRPH_RADDR/WPI_PRPH_WADDR. */
  129 #define WPI_PRPH_DWORD  ((sizeof (uint32_t) - 1) << 24)
  130 
  131 /* Possible values for WPI_BSM_WR_MEM_DST. */
  132 #define WPI_FW_TEXT_BASE        0x00000000
  133 #define WPI_FW_DATA_BASE        0x00800000
  134 
  135 /* Possible flags for WPI_GPIO_IN. */
  136 #define WPI_GPIO_IN_VMAIN       (1 << 9)
  137 
  138 /* Possible flags for register WPI_RESET. */
  139 #define WPI_RESET_NEVO                  (1 << 0)
  140 #define WPI_RESET_SW                    (1 << 7)
  141 #define WPI_RESET_MASTER_DISABLED       (1 << 8)
  142 #define WPI_RESET_STOP_MASTER           (1 << 9)
  143 
  144 /* Possible flags for register WPI_GP_CNTRL. */
  145 #define WPI_GP_CNTRL_MAC_ACCESS_ENA     (1 <<  0)
  146 #define WPI_GP_CNTRL_MAC_CLOCK_READY    (1 <<  0)
  147 #define WPI_GP_CNTRL_INIT_DONE          (1 <<  2)
  148 #define WPI_GP_CNTRL_MAC_ACCESS_REQ     (1 <<  3)
  149 #define WPI_GP_CNTRL_SLEEP              (1 <<  4)
  150 #define WPI_GP_CNTRL_PS_MASK            (7 << 24)
  151 #define WPI_GP_CNTRL_MAC_PS             (4 << 24)
  152 #define WPI_GP_CNTRL_RFKILL             (1 << 27)
  153 
  154 /* Possible flags for register WPI_GIO_CHICKEN. */
  155 #define WPI_GIO_CHICKEN_L1A_NO_L0S_RX   (1 << 23)
  156 #define WPI_GIO_CHICKEN_DIS_L0S_TIMER   (1 << 29)
  157 
  158 /* Possible flags for register WPI_GIO. */
  159 #define WPI_GIO_L0S_ENA                 (1 << 1)
  160 
  161 /* Possible flags for register WPI_FH_RX_CONFIG. */
  162 #define WPI_FH_RX_CONFIG_DMA_ENA        (1U  << 31)
  163 #define WPI_FH_RX_CONFIG_RDRBD_ENA      (1   << 29)
  164 #define WPI_FH_RX_CONFIG_WRSTATUS_ENA   (1   << 27)
  165 #define WPI_FH_RX_CONFIG_MAXFRAG        (1   << 24)
  166 #define WPI_FH_RX_CONFIG_NRBD(x)        ((x) << 20)
  167 #define WPI_FH_RX_CONFIG_IRQ_DST_HOST   (1   << 12)
  168 #define WPI_FH_RX_CONFIG_IRQ_TIMEOUT(x) ((x) <<  4)
  169 
  170 /* Possible flags for register WPI_ANA_PLL. */
  171 #define WPI_ANA_PLL_INIT        (1 << 24)
  172 
  173 /* Possible flags for register WPI_UCODE_GP1*. */
  174 #define WPI_UCODE_GP1_MAC_SLEEP         (1 << 0)
  175 #define WPI_UCODE_GP1_RFKILL            (1 << 1)
  176 #define WPI_UCODE_GP1_CMD_BLOCKED       (1 << 2)
  177 
  178 /* Possible flags for register WPI_FH_RX_STATUS. */
  179 #define WPI_FH_RX_STATUS_IDLE   (1 << 24)
  180 
  181 /* Possible flags for register WPI_BSM_WR_CTRL. */
  182 #define WPI_BSM_WR_CTRL_START_EN        (1  << 30)
  183 #define WPI_BSM_WR_CTRL_START           (1U << 31)
  184 
  185 /* Possible flags for register WPI_INT. */
  186 #define WPI_INT_ALIVE           (1  <<  0)
  187 #define WPI_INT_WAKEUP          (1  <<  1)
  188 #define WPI_INT_SW_RX           (1  <<  3)
  189 #define WPI_INT_SW_ERR          (1  << 25)
  190 #define WPI_INT_FH_TX           (1  << 27)
  191 #define WPI_INT_HW_ERR          (1  << 29)
  192 #define WPI_INT_FH_RX           (1U << 31)
  193 
  194 /* Shortcut. */
  195 #define WPI_INT_MASK_DEF                                        \
  196         (WPI_INT_SW_ERR | WPI_INT_HW_ERR | WPI_INT_FH_TX  |     \
  197          WPI_INT_FH_RX  | WPI_INT_ALIVE  | WPI_INT_WAKEUP |     \
  198          WPI_INT_SW_RX)
  199 
  200 /* Possible flags for register WPI_FH_INT. */
  201 #define WPI_FH_INT_RX_CHNL(x)   (1 << ((x) + 16))
  202 #define WPI_FH_INT_HI_PRIOR     (1 << 30)
  203 /* Shortcuts for the above. */
  204 #define WPI_FH_INT_RX                   \
  205         (WPI_FH_INT_RX_CHNL(0) |        \
  206          WPI_FH_INT_RX_CHNL(1) |        \
  207          WPI_FH_INT_RX_CHNL(2) |        \
  208          WPI_FH_INT_HI_PRIOR)
  209 
  210 /* Possible flags for register WPI_FH_TX_STATUS. */
  211 #define WPI_FH_TX_STATUS_IDLE(qid)      \
  212         (1 << ((qid) + 24) | 1 << ((qid) + 16))
  213 
  214 /* Possible flags for register WPI_EEPROM. */
  215 #define WPI_EEPROM_READ_VALID   (1 << 0)
  216 
  217 /* Possible flags for register WPI_EEPROM_GP. */
  218 #define WPI_EEPROM_VERSION      0x00000007
  219 #define WPI_EEPROM_GP_IF_OWNER  0x00000180
  220 
  221 /* Possible flags for register WPI_APMG_PS. */
  222 #define WPI_APMG_PS_PWR_SRC_MASK        (3 << 24)
  223 
  224 /* Possible flags for registers WPI_APMG_CLK_*. */
  225 #define WPI_APMG_CLK_CTRL_DMA_CLK_RQT   (1 <<  9)
  226 #define WPI_APMG_CLK_CTRL_BSM_CLK_RQT   (1 << 11)
  227 
  228 /* Possible flags for register WPI_APMG_PCI_STT. */
  229 #define WPI_APMG_PCI_STT_L1A_DIS        (1 << 11)
  230 
  231 struct wpi_shared {
  232         uint32_t        txbase[WPI_NTXQUEUES];
  233         uint32_t        next;
  234         uint32_t        reserved[2];
  235 } __packed;
  236 
  237 #define WPI_MAX_SEG_LEN 65520
  238 struct wpi_tx_desc {
  239         uint8_t         reserved1[3];
  240         uint8_t         nsegs;
  241 #define WPI_PAD32(x)    (roundup2(x, 4) - (x))
  242 
  243         struct {
  244                 uint32_t        addr;
  245                 uint32_t        len;
  246         } __packed      segs[WPI_MAX_SCATTER];
  247         uint8_t         reserved2[28];
  248 } __packed;
  249 
  250 struct wpi_tx_stat {
  251         uint8_t         rtsfailcnt;
  252         uint8_t         ackfailcnt;
  253         uint8_t         btkillcnt;
  254         uint8_t         rate;
  255         uint32_t        duration;
  256         uint32_t        status;
  257 #define WPI_TX_STATUS_SUCCESS                   0x01
  258 #define WPI_TX_STATUS_DIRECT_DONE               0x02
  259 #define WPI_TX_STATUS_FAIL                      0x80
  260 #define WPI_TX_STATUS_FAIL_SHORT_LIMIT          0x82
  261 #define WPI_TX_STATUS_FAIL_LONG_LIMIT           0x83
  262 #define WPI_TX_STATUS_FAIL_FIFO_UNDERRUN        0x84
  263 #define WPI_TX_STATUS_FAIL_MGMNT_ABORT          0x85
  264 #define WPI_TX_STATUS_FAIL_NEXT_FRAG            0x86
  265 #define WPI_TX_STATUS_FAIL_LIFE_EXPIRE          0x87
  266 #define WPI_TX_STATUS_FAIL_NODE_PS              0x88
  267 #define WPI_TX_STATUS_FAIL_ABORTED              0x89
  268 #define WPI_TX_STATUS_FAIL_BT_RETRY             0x8a
  269 #define WPI_TX_STATUS_FAIL_NODE_INVALID         0x8b
  270 #define WPI_TX_STATUS_FAIL_FRAG_DROPPED         0x8c
  271 #define WPI_TX_STATUS_FAIL_TID_DISABLE          0x8d
  272 #define WPI_TX_STATUS_FAIL_FRAME_FLUSHED        0x8e
  273 #define WPI_TX_STATUS_FAIL_INSUFFICIENT_CF_POLL 0x8f
  274 #define WPI_TX_STATUS_FAIL_TX_LOCKED            0x90
  275 #define WPI_TX_STATUS_FAIL_NO_BEACON_ON_RADAR   0x91
  276 
  277 } __packed;
  278 
  279 struct wpi_rx_desc {
  280         uint32_t        len;
  281         uint8_t         type;
  282 #define WPI_UC_READY              1
  283 #define WPI_RX_DONE              27
  284 #define WPI_TX_DONE              28
  285 #define WPI_START_SCAN          130
  286 #define WPI_SCAN_RESULTS        131
  287 #define WPI_STOP_SCAN           132
  288 #define WPI_BEACON_SENT         144
  289 #define WPI_RX_STATISTICS       156
  290 #define WPI_BEACON_STATISTICS   157
  291 #define WPI_STATE_CHANGED       161
  292 #define WPI_BEACON_MISSED       162
  293 
  294         uint8_t         flags;
  295         uint8_t         idx;
  296         uint8_t         qid;
  297 } __packed;
  298 
  299 #define WPI_RX_DESC_QID_MSK             0x07
  300 #define WPI_UNSOLICITED_RX_NOTIF        0x80
  301 
  302 struct wpi_rx_stat {
  303         uint8_t         len;
  304 #define WPI_STAT_MAXLEN 20
  305 
  306         uint8_t         id;
  307         uint8_t         rssi;   /* received signal strength */
  308 #define WPI_RSSI_OFFSET -95
  309 
  310         uint8_t         agc;    /* access gain control */
  311         uint16_t        signal;
  312         uint16_t        noise;
  313 } __packed;
  314 
  315 struct wpi_rx_head {
  316         uint16_t        chan;
  317         uint16_t        flags;
  318 #define WPI_STAT_FLAG_SHPREAMBLE        (1 << 2)
  319 
  320         uint8_t         reserved;
  321         uint8_t         plcp;
  322         uint16_t        len;
  323 } __packed;
  324 
  325 struct wpi_rx_tail {
  326         uint32_t        flags;
  327 #define WPI_RX_NO_CRC_ERR       (1 << 0)
  328 #define WPI_RX_NO_OVFL_ERR      (1 << 1)
  329 /* shortcut for the above */
  330 #define WPI_RX_NOERROR          (WPI_RX_NO_CRC_ERR | WPI_RX_NO_OVFL_ERR)
  331 #define WPI_RX_CIPHER_MASK      (7 <<  8)
  332 #define WPI_RX_CIPHER_CCMP      (2 <<  8)
  333 #define WPI_RX_DECRYPT_MASK     (3 << 11)
  334 #define WPI_RX_DECRYPT_OK       (3 << 11)
  335 
  336         uint64_t        tstamp;
  337         uint32_t        tbeacon;
  338 } __packed;
  339 
  340 struct wpi_tx_cmd {
  341         uint8_t code;
  342 #define WPI_CMD_RXON             16
  343 #define WPI_CMD_RXON_ASSOC       17
  344 #define WPI_CMD_EDCA_PARAMS      19
  345 #define WPI_CMD_TIMING           20
  346 #define WPI_CMD_ADD_NODE         24
  347 #define WPI_CMD_DEL_NODE         25
  348 #define WPI_CMD_TX_DATA          28
  349 #define WPI_CMD_MRR_SETUP        71
  350 #define WPI_CMD_SET_LED          72
  351 #define WPI_CMD_SET_POWER_MODE  119
  352 #define WPI_CMD_SCAN            128
  353 #define WPI_CMD_SCAN_ABORT      129
  354 #define WPI_CMD_SET_BEACON      145
  355 #define WPI_CMD_TXPOWER         151
  356 #define WPI_CMD_BT_COEX         155
  357 #define WPI_CMD_GET_STATISTICS  156
  358 
  359         uint8_t flags;
  360         uint8_t idx;
  361         uint8_t qid;
  362         uint8_t data[124];
  363 } __packed;
  364 
  365 /* Structure for command WPI_CMD_RXON. */
  366 struct wpi_rxon {
  367         uint8_t         myaddr[IEEE80211_ADDR_LEN];
  368         uint16_t        reserved1;
  369         uint8_t         bssid[IEEE80211_ADDR_LEN];
  370         uint16_t        reserved2;
  371         uint8_t         wlap[IEEE80211_ADDR_LEN];
  372         uint16_t        reserved3;
  373         uint8_t         mode;
  374 #define WPI_MODE_HOSTAP         1
  375 #define WPI_MODE_STA            3
  376 #define WPI_MODE_IBSS           4
  377 #define WPI_MODE_MONITOR        6
  378 
  379         uint8_t         air;
  380         uint16_t        reserved4;
  381         uint8_t         ofdm_mask;
  382         uint8_t         cck_mask;
  383         uint16_t        associd;
  384         uint32_t        flags;
  385 #define WPI_RXON_24GHZ          (1 <<  0)
  386 #define WPI_RXON_CCK            (1 <<  1)
  387 #define WPI_RXON_AUTO           (1 <<  2)
  388 #define WPI_RXON_SHSLOT         (1 <<  4)
  389 #define WPI_RXON_SHPREAMBLE     (1 <<  5)
  390 #define WPI_RXON_NODIVERSITY    (1 <<  7)
  391 #define WPI_RXON_ANTENNA_A      (1 <<  8)
  392 #define WPI_RXON_ANTENNA_B      (1 <<  9)
  393 #define WPI_RXON_TSF            (1 << 15)
  394 #define WPI_RXON_CTS_TO_SELF    (1 << 30)
  395 
  396         uint32_t        filter;
  397 #define WPI_FILTER_PROMISC      (1 << 0)
  398 #define WPI_FILTER_CTL          (1 << 1)
  399 #define WPI_FILTER_MULTICAST    (1 << 2)
  400 #define WPI_FILTER_NODECRYPT    (1 << 3)
  401 #define WPI_FILTER_BSS          (1 << 5)
  402 #define WPI_FILTER_BEACON       (1 << 6)
  403 #define WPI_FILTER_ASSOC        (1 << 7)    /* Accept associaton requests. */
  404 
  405         uint8_t         chan;
  406         uint16_t        reserved5;
  407 } __packed;
  408 
  409 /* Structure for command WPI_CMD_RXON_ASSOC. */
  410 struct wpi_assoc {
  411         uint32_t        flags;
  412         uint32_t        filter;
  413         uint8_t         ofdm_mask;
  414         uint8_t         cck_mask;
  415         uint16_t        reserved;
  416 } __packed;
  417 
  418 /* Structure for command WPI_CMD_EDCA_PARAMS. */
  419 struct wpi_edca_params {
  420         uint32_t        flags;
  421 #define WPI_EDCA_UPDATE (1 << 0)
  422 
  423         struct {
  424                 uint16_t        cwmin;
  425                 uint16_t        cwmax;
  426                 uint8_t         aifsn;
  427                 uint8_t         reserved;
  428                 uint16_t        txoplimit;
  429         } __packed      ac[WME_NUM_AC];
  430 } __packed;
  431 
  432 /* Structure for command WPI_CMD_TIMING. */
  433 struct wpi_cmd_timing {
  434         uint64_t        tstamp;
  435         uint16_t        bintval;
  436         uint16_t        atim;
  437         uint32_t        binitval;
  438         uint16_t        lintval;
  439         uint16_t        reserved;
  440 } __packed;
  441 
  442 /* Structure for command WPI_CMD_ADD_NODE. */
  443 struct wpi_node_info {
  444         uint8_t         control;
  445 #define WPI_NODE_UPDATE         (1 << 0)
  446 
  447         uint8_t         reserved1[3];
  448         uint8_t         macaddr[IEEE80211_ADDR_LEN];
  449         uint16_t        reserved2;
  450         uint8_t         id;
  451 #define WPI_ID_BSS              0
  452 #define WPI_ID_IBSS_MIN         2
  453 #define WPI_ID_IBSS_MAX         23
  454 #define WPI_ID_BROADCAST        24
  455 #define WPI_ID_UNDEFINED        (uint8_t)-1
  456 
  457         uint8_t         flags;
  458 #define WPI_FLAG_KEY_SET        (1 << 0)
  459 
  460         uint16_t        reserved3;
  461         uint16_t        kflags;
  462 #define WPI_KFLAG_CCMP          (1 <<  1)
  463 #define WPI_KFLAG_KID(kid)      ((kid) << 8)
  464 #define WPI_KFLAG_MULTICAST     (1 << 14)
  465 
  466         uint8_t         tsc2;
  467         uint8_t         reserved4;
  468         uint16_t        ttak[5];
  469         uint16_t        reserved5;
  470         uint8_t         key[IEEE80211_KEYBUF_SIZE];
  471         uint32_t        action;
  472 #define WPI_ACTION_SET_RATE     (1 << 2)
  473 
  474         uint32_t        mask;
  475         uint16_t        tid;
  476         uint8_t         plcp;
  477         uint8_t         antenna;
  478 #define WPI_ANTENNA_A           (1 << 6)
  479 #define WPI_ANTENNA_B           (1 << 7)
  480 #define WPI_ANTENNA_BOTH        (WPI_ANTENNA_A | WPI_ANTENNA_B)
  481 
  482         uint8_t         add_imm;
  483         uint8_t         del_imm;
  484         uint16_t        add_imm_start;
  485 } __packed;
  486 
  487 /* Structure for command WPI_CMD_DEL_NODE. */
  488 struct wpi_cmd_del_node {
  489         uint8_t         count;
  490         uint8_t         reserved1[3];
  491         uint8_t         macaddr[IEEE80211_ADDR_LEN];
  492         uint16_t        reserved2;
  493 } __packed;
  494 
  495 /* Structure for command WPI_CMD_TX_DATA. */
  496 struct wpi_cmd_data {
  497         uint16_t        len;
  498         uint16_t        lnext;
  499         uint32_t        flags;
  500 #define WPI_TX_NEED_RTS         (1 <<  1)
  501 #define WPI_TX_NEED_CTS         (1 <<  2)
  502 #define WPI_TX_NEED_ACK         (1 <<  3)
  503 #define WPI_TX_FULL_TXOP        (1 <<  7)
  504 #define WPI_TX_BT_DISABLE       (1 << 12)       /* bluetooth coexistence */
  505 #define WPI_TX_AUTO_SEQ         (1 << 13)
  506 #define WPI_TX_MORE_FRAG        (1 << 14)
  507 #define WPI_TX_INSERT_TSTAMP    (1 << 16)
  508 
  509         uint8_t         plcp;
  510         uint8_t         id;
  511         uint8_t         tid;
  512         uint8_t         security;
  513 #define WPI_CIPHER_WEP          1
  514 #define WPI_CIPHER_CCMP         2
  515 #define WPI_CIPHER_TKIP         3
  516 #define WPI_CIPHER_WEP104       9
  517 
  518         uint8_t         key[IEEE80211_KEYBUF_SIZE];
  519         uint8_t         tkip[IEEE80211_WEP_MICLEN];
  520         uint32_t        fnext;
  521 #define WPI_NEXT_STA_ID(id)     ((id) << 8)
  522 
  523         uint32_t        lifetime;
  524 #define WPI_LIFETIME_INFINITE   0xffffffff
  525 
  526         uint8_t         ofdm_mask;
  527         uint8_t         cck_mask;
  528         uint8_t         rts_ntries;
  529         uint8_t         data_ntries;
  530         uint16_t        timeout;
  531         uint16_t        txop;
  532 } __packed;
  533 
  534 /* Structure for command WPI_CMD_SET_BEACON. */
  535 struct wpi_cmd_beacon {
  536         uint16_t        len;
  537         uint16_t        reserved1;
  538         uint32_t        flags;  /* same as wpi_cmd_data */
  539         uint8_t         plcp;
  540         uint8_t         id;
  541         uint8_t         reserved2[30];
  542         uint32_t        lifetime;
  543         uint8_t         ofdm_mask;
  544         uint8_t         cck_mask;
  545         uint16_t        reserved3[3];
  546         uint16_t        tim;
  547         uint8_t         timsz;
  548         uint8_t         reserved4;
  549 } __packed;
  550 
  551 /* Structure for notification WPI_BEACON_MISSED. */
  552 struct wpi_beacon_missed {
  553         uint32_t consecutive;
  554         uint32_t total;
  555         uint32_t expected;
  556         uint32_t received;
  557 } __packed;
  558 
  559 /* Structure for command WPI_CMD_MRR_SETUP. */
  560 #define WPI_RIDX_MAX    11
  561 struct wpi_mrr_setup {
  562         uint32_t        which;
  563 #define WPI_MRR_CTL     0
  564 #define WPI_MRR_DATA    1
  565 
  566         struct {
  567                 uint8_t plcp;
  568                 uint8_t flags;
  569                 uint8_t ntries;
  570 #define         WPI_NTRIES_DEFAULT      2
  571 
  572                 uint8_t next;
  573         } __packed      rates[WPI_RIDX_MAX + 1];
  574 } __packed;
  575 
  576 /* Structure for command WPI_CMD_SET_LED. */
  577 struct wpi_cmd_led {
  578         uint32_t        unit;   /* multiplier (in usecs) */
  579         uint8_t         which;
  580 #define WPI_LED_ACTIVITY        1
  581 #define WPI_LED_LINK            2
  582 
  583         uint8_t         off;
  584         uint8_t         on;
  585         uint8_t         reserved;
  586 } __packed;
  587 
  588 /* Structure for command WPI_CMD_SET_POWER_MODE. */
  589 struct wpi_pmgt_cmd {
  590         uint16_t        flags;
  591 #define WPI_PS_ALLOW_SLEEP      (1 << 0)
  592 #define WPI_PS_NOTIFY           (1 << 1)
  593 #define WPI_PS_SLEEP_OVER_DTIM  (1 << 2)
  594 #define WPI_PS_PCI_PMGT         (1 << 3)
  595 
  596         uint8_t         reserved[2];
  597         uint32_t        rxtimeout;
  598         uint32_t        txtimeout;
  599         uint32_t        intval[5];
  600 } __packed;
  601 
  602 /* Structures for command WPI_CMD_SCAN. */
  603 #define WPI_SCAN_MAX_ESSIDS     4
  604 struct wpi_scan_essid {
  605         uint8_t id;
  606         uint8_t len;
  607         uint8_t data[IEEE80211_NWID_LEN];
  608 } __packed;
  609 
  610 struct wpi_scan_hdr {
  611         uint16_t        len;
  612         uint8_t         reserved1;
  613         uint8_t         nchan;
  614         uint16_t        quiet_time;     /* timeout in milliseconds */
  615 #define WPI_QUIET_TIME_DEFAULT          10
  616 
  617         uint16_t        quiet_threshold; /* min # of packets */
  618         uint16_t        crc_threshold;
  619         uint16_t        reserved2;
  620         uint32_t        max_svc;        /* background scans */
  621         uint32_t        pause_svc;      /* background scans */
  622 #define WPI_PAUSE_MAX_TIME              ((1 << 20) - 1)
  623 #define WPI_PAUSE_SCAN(nbeacons, time)  ((nbeacons << 24) | time)
  624 
  625         uint32_t        flags;
  626         uint32_t        filter;
  627 
  628         /* Followed by a struct wpi_cmd_data. */
  629         /* Followed by an array of 4 structs wpi_scan_essid. */
  630         /* Followed by probe request body. */
  631         /* Followed by an array of ``nchan'' structs wpi_scan_chan. */
  632 } __packed;
  633 
  634 struct wpi_scan_chan {
  635         uint8_t         flags;
  636 #define WPI_CHAN_ACTIVE         (1 << 0)
  637 #define WPI_CHAN_NPBREQS(x)     (((1 << (x)) - 1) << 1)
  638 
  639         uint8_t         chan;
  640         uint8_t         rf_gain;
  641         uint8_t         dsp_gain;
  642         uint16_t        active;         /* msecs */
  643         uint16_t        passive;        /* msecs */
  644 } __packed;
  645 
  646 #define WPI_SCAN_CRC_TH_DEFAULT         htole16(1)
  647 #define WPI_SCAN_CRC_TH_NEVER           htole16(0xffff)
  648 
  649 /* Maximum size of a scan command. */
  650 #define WPI_SCAN_MAXSZ  (MCLBYTES - 4)
  651 
  652 #define WPI_ACTIVE_DWELL_TIME_2GHZ      (30)    /* all times in msec */
  653 #define WPI_ACTIVE_DWELL_TIME_5GHZ      (20)
  654 #define WPI_ACTIVE_DWELL_FACTOR_2GHZ    ( 3)
  655 #define WPI_ACTIVE_DWELL_FACTOR_5GHZ    ( 2)
  656 
  657 #define WPI_PASSIVE_DWELL_TIME_2GHZ     ( 20)
  658 #define WPI_PASSIVE_DWELL_TIME_5GHZ     ( 10)
  659 #define WPI_PASSIVE_DWELL_BASE          (100)
  660 #define WPI_CHANNEL_TUNE_TIME           (  6)
  661 
  662 /* Structure for command WPI_CMD_TXPOWER. */
  663 struct wpi_cmd_txpower {
  664         uint8_t         band;
  665 #define WPI_BAND_5GHZ   0
  666 #define WPI_BAND_2GHZ   1
  667 
  668         uint8_t         reserved;
  669         uint16_t        chan;
  670 
  671         struct {
  672                 uint8_t plcp;
  673                 uint8_t rf_gain;
  674                 uint8_t dsp_gain;
  675                 uint8_t reserved;
  676         } __packed      rates[WPI_RIDX_MAX + 1];
  677 
  678 } __packed;
  679 
  680 /* Structure for command WPI_CMD_BT_COEX. */
  681 struct wpi_bluetooth {
  682         uint8_t         flags;
  683 #define WPI_BT_COEX_DISABLE     0
  684 #define WPI_BT_COEX_MODE_2WIRE  1
  685 #define WPI_BT_COEX_MODE_3WIRE  2
  686 #define WPI_BT_COEX_MODE_4WIRE  3
  687 
  688         uint8_t         lead_time;
  689 #define WPI_BT_LEAD_TIME_DEF    30
  690 
  691         uint8_t         max_kill;
  692 #define WPI_BT_MAX_KILL_DEF     5
  693 
  694         uint8_t         reserved;
  695         uint32_t        kill_ack;
  696         uint32_t        kill_cts;
  697 } __packed;
  698 
  699 /* Structure for WPI_UC_READY notification. */
  700 struct wpi_ucode_info {
  701         uint8_t         minor;
  702         uint8_t         major;
  703         uint16_t        reserved1;
  704         uint8_t         revision[8];
  705         uint8_t         type;
  706         uint8_t         subtype;
  707         uint16_t        reserved2;
  708         uint32_t        logptr;
  709         uint32_t        errptr;
  710         uint32_t        tstamp;
  711         uint32_t        valid;
  712 } __packed;
  713 
  714 /* Structure for WPI_START_SCAN notification. */
  715 struct wpi_start_scan {
  716         uint64_t        tstamp;
  717         uint32_t        tbeacon;
  718         uint8_t         chan;
  719         uint8_t         band;
  720         uint16_t        reserved;
  721         uint32_t        status;
  722 } __packed;
  723 
  724 /* Structure for WPI_STOP_SCAN notification. */
  725 struct wpi_stop_scan {
  726         uint8_t         nchan;
  727         uint8_t         status;
  728 #define WPI_SCAN_COMPLETED      1
  729 #define WPI_SCAN_ABORTED        2
  730 
  731         uint8_t         reserved;
  732         uint8_t         chan;
  733         uint64_t        tsf;
  734 } __packed;
  735 
  736 /* Structures for WPI_{RX,BEACON}_STATISTICS notification. */
  737 struct wpi_rx_phy_stats {
  738         uint32_t        ina;
  739         uint32_t        fina;
  740         uint32_t        bad_plcp;
  741         uint32_t        bad_crc32;
  742         uint32_t        overrun;
  743         uint32_t        eoverrun;
  744         uint32_t        good_crc32;
  745         uint32_t        fa;
  746         uint32_t        bad_fina_sync;
  747         uint32_t        sfd_timeout;
  748         uint32_t        fina_timeout;
  749         uint32_t        no_rts_ack;
  750         uint32_t        rxe_limit;
  751         uint32_t        ack;
  752         uint32_t        cts;
  753 } __packed;
  754 
  755 struct wpi_rx_general_stats {
  756         uint32_t        bad_cts;
  757         uint32_t        bad_ack;
  758         uint32_t        not_bss;
  759         uint32_t        filtered;
  760         uint32_t        bad_chan;
  761 } __packed;
  762 
  763 struct wpi_rx_stats {
  764         struct wpi_rx_phy_stats         ofdm;
  765         struct wpi_rx_phy_stats         cck;
  766         struct wpi_rx_general_stats     general;
  767 } __packed;
  768 
  769 struct wpi_tx_stats {
  770         uint32_t        preamble;
  771         uint32_t        rx_detected;
  772         uint32_t        bt_defer;
  773         uint32_t        bt_kill;
  774         uint32_t        short_len;
  775         uint32_t        cts_timeout;
  776         uint32_t        ack_timeout;
  777         uint32_t        exp_ack;
  778         uint32_t        ack;
  779 } __packed;
  780 
  781 struct wpi_general_stats {
  782         uint32_t        temp;
  783         uint32_t        burst_check;
  784         uint32_t        burst;
  785         uint32_t        reserved[4];
  786         uint32_t        sleep;
  787         uint32_t        slot_out;
  788         uint32_t        slot_idle;
  789         uint32_t        ttl_tstamp;
  790         uint32_t        tx_ant_a;
  791         uint32_t        tx_ant_b;
  792         uint32_t        exec;
  793         uint32_t        probe;
  794 } __packed;
  795 
  796 struct wpi_stats {
  797         uint32_t                        flags;
  798         struct wpi_rx_stats             rx;
  799         struct wpi_tx_stats             tx;
  800         struct wpi_general_stats        general;
  801 } __packed;
  802 
  803 /* Possible flags for command WPI_CMD_GET_STATISTICS. */
  804 #define WPI_STATISTICS_BEACON_DISABLE   (1 << 1)
  805 
  806 /* Firmware error dump entry. */
  807 struct wpi_fw_dump {
  808         uint32_t        desc;
  809         uint32_t        time;
  810         uint32_t        blink[2];
  811         uint32_t        ilink[2];
  812         uint32_t        data;
  813 } __packed;
  814 
  815 /* Firmware image file header. */
  816 struct wpi_firmware_hdr {
  817 #define WPI_FW_MINVERSION 2144
  818 #define WPI_FW_NAME "wpifw"
  819 
  820         uint16_t        driver;
  821         uint8_t         minor;
  822         uint8_t         major;
  823         uint32_t        rtextsz;
  824         uint32_t        rdatasz;
  825         uint32_t        itextsz;
  826         uint32_t        idatasz;
  827         uint32_t        btextsz;
  828 } __packed;
  829 
  830 #define WPI_FW_TEXT_MAXSZ        ( 80 * 1024 )
  831 #define WPI_FW_DATA_MAXSZ        ( 32 * 1024 )
  832 #define WPI_FW_BOOT_TEXT_MAXSZ          1024
  833 
  834 #define WPI_FW_UPDATED  (1U << 31 )
  835 
  836 /*
  837  * Offsets into EEPROM.
  838  */
  839 #define WPI_EEPROM_MAC          0x015
  840 #define WPI_EEPROM_REVISION     0x035
  841 #define WPI_EEPROM_SKU_CAP      0x045
  842 #define WPI_EEPROM_TYPE         0x04a
  843 #define WPI_EEPROM_DOMAIN       0x060
  844 #define WPI_EEPROM_BAND1        0x063
  845 #define WPI_EEPROM_BAND2        0x072
  846 #define WPI_EEPROM_BAND3        0x080
  847 #define WPI_EEPROM_BAND4        0x08d
  848 #define WPI_EEPROM_BAND5        0x099
  849 #define WPI_EEPROM_POWER_GRP    0x100
  850 
  851 struct wpi_eeprom_chan {
  852         uint8_t flags;
  853 #define WPI_EEPROM_CHAN_VALID   (1 << 0)
  854 #define WPI_EEPROM_CHAN_IBSS    (1 << 1)
  855 #define WPI_EEPROM_CHAN_ACTIVE  (1 << 3)
  856 #define WPI_EEPROM_CHAN_RADAR   (1 << 4)
  857 
  858         int8_t  maxpwr;
  859 } __packed;
  860 
  861 struct wpi_eeprom_sample {
  862         uint8_t         index;
  863         int8_t          power;
  864         uint16_t        volt;
  865 } __packed;
  866 
  867 #define WPI_POWER_GROUPS_COUNT  5
  868 struct wpi_eeprom_group {
  869         struct          wpi_eeprom_sample samples[5];
  870         int32_t         coef[5];
  871         int32_t         corr[5];
  872         int8_t          maxpwr;
  873         uint8_t         chan;
  874         int16_t         temp;
  875 } __packed;
  876 
  877 #define WPI_CHAN_BANDS_COUNT     5
  878 #define WPI_MAX_CHAN_PER_BAND   14
  879 static const struct wpi_chan_band {
  880         uint32_t        addr;   /* offset in EEPROM */
  881         uint8_t         nchan;
  882         uint8_t         chan[WPI_MAX_CHAN_PER_BAND];
  883 } wpi_bands[] = {
  884         /* 20MHz channels, 2GHz band. */
  885         { WPI_EEPROM_BAND1, 14,
  886             { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 } },
  887         /* 20MHz channels, 5GHz band. */
  888         { WPI_EEPROM_BAND2, 13,
  889             { 183, 184, 185, 187, 188, 189, 192, 196, 7, 8, 11, 12, 16 } },
  890         { WPI_EEPROM_BAND3, 12,
  891             { 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64 } },
  892         { WPI_EEPROM_BAND4, 11,
  893             { 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140 } },
  894         { WPI_EEPROM_BAND5, 6,
  895             { 145, 149, 153, 157, 161, 165 } }
  896 };
  897 
  898 /* HW rate indices. */
  899 #define WPI_RIDX_OFDM6   0
  900 #define WPI_RIDX_OFDM36  5
  901 #define WPI_RIDX_OFDM48  6
  902 #define WPI_RIDX_OFDM54  7
  903 #define WPI_RIDX_CCK1    8
  904 #define WPI_RIDX_CCK2    9
  905 #define WPI_RIDX_CCK11  11
  906 
  907 static const uint8_t wpi_ridx_to_plcp[] = {
  908         /* OFDM: IEEE Std 802.11a-1999, pp. 14 Table 80 */
  909         /* R1-R4 (ral/ural is R4-R1) */
  910         0xd, 0xf, 0x5, 0x7, 0x9, 0xb, 0x1, 0x3,
  911         /* CCK: device-dependent */
  912         10, 20, 55, 110
  913 };
  914 
  915 #define WPI_MAX_PWR_INDEX       77
  916 
  917 /*
  918  * RF Tx gain values from highest to lowest power (values obtained from
  919  * the reference driver.)
  920  */
  921 static const uint8_t wpi_rf_gain_2ghz[WPI_MAX_PWR_INDEX + 1] = {
  922         0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xbb, 0xbb, 0xbb,
  923         0xbb, 0xf3, 0xf3, 0xf3, 0xf3, 0xf3, 0xd3, 0xd3, 0xb3, 0xb3, 0xb3,
  924         0x93, 0x93, 0x93, 0x93, 0x93, 0x93, 0x93, 0x73, 0xeb, 0xeb, 0xeb,
  925         0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xab, 0xab, 0xab, 0x8b,
  926         0xe3, 0xe3, 0xe3, 0xe3, 0xe3, 0xe3, 0xc3, 0xc3, 0xc3, 0xc3, 0xa3,
  927         0xa3, 0xa3, 0xa3, 0x83, 0x83, 0x83, 0x83, 0x63, 0x63, 0x63, 0x63,
  928         0x43, 0x43, 0x43, 0x43, 0x23, 0x23, 0x23, 0x23, 0x03, 0x03, 0x03,
  929         0x03
  930 };
  931 
  932 static const uint8_t wpi_rf_gain_5ghz[WPI_MAX_PWR_INDEX + 1] = {
  933         0xfb, 0xfb, 0xfb, 0xdb, 0xdb, 0xbb, 0xbb, 0x9b, 0x9b, 0x7b, 0x7b,
  934         0x7b, 0x7b, 0x5b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x1b, 0x1b,
  935         0x1b, 0x73, 0x73, 0x73, 0x53, 0x53, 0x53, 0x53, 0x53, 0x33, 0x33,
  936         0x33, 0x33, 0x13, 0x13, 0x13, 0x13, 0x13, 0xab, 0xab, 0xab, 0x8b,
  937         0x8b, 0x8b, 0x8b, 0x6b, 0x6b, 0x6b, 0x6b, 0x4b, 0x4b, 0x4b, 0x4b,
  938         0x2b, 0x2b, 0x2b, 0x2b, 0x0b, 0x0b, 0x0b, 0x0b, 0x83, 0x83, 0x63,
  939         0x63, 0x63, 0x63, 0x43, 0x43, 0x43, 0x43, 0x23, 0x23, 0x23, 0x23,
  940         0x03
  941 };
  942 
  943 /*
  944  * DSP pre-DAC gain values from highest to lowest power (values obtained
  945  * from the reference driver.)
  946  */
  947 static const uint8_t wpi_dsp_gain_2ghz[WPI_MAX_PWR_INDEX + 1] = {
  948         0x7f, 0x7f, 0x7f, 0x7f, 0x7d, 0x6e, 0x69, 0x62, 0x7d, 0x73, 0x6c,
  949         0x63, 0x77, 0x6f, 0x69, 0x61, 0x5c, 0x6a, 0x64, 0x78, 0x71, 0x6b,
  950         0x7d, 0x77, 0x70, 0x6a, 0x65, 0x61, 0x5b, 0x6b, 0x79, 0x73, 0x6d,
  951         0x7f, 0x79, 0x73, 0x6c, 0x66, 0x60, 0x5c, 0x6e, 0x68, 0x62, 0x74,
  952         0x7d, 0x77, 0x71, 0x6b, 0x65, 0x60, 0x71, 0x6a, 0x66, 0x5f, 0x71,
  953         0x6a, 0x66, 0x5f, 0x71, 0x6a, 0x66, 0x5f, 0x71, 0x6a, 0x66, 0x5f,
  954         0x71, 0x6a, 0x66, 0x5f, 0x71, 0x6a, 0x66, 0x5f, 0x71, 0x6a, 0x66,
  955         0x5f
  956 };
  957 
  958 static const uint8_t wpi_dsp_gain_5ghz[WPI_MAX_PWR_INDEX + 1] = {
  959         0x7f, 0x78, 0x72, 0x77, 0x65, 0x71, 0x66, 0x72, 0x67, 0x75, 0x6b,
  960         0x63, 0x5c, 0x6c, 0x7d, 0x76, 0x6d, 0x66, 0x60, 0x5a, 0x68, 0x62,
  961         0x5c, 0x76, 0x6f, 0x68, 0x7e, 0x79, 0x71, 0x69, 0x63, 0x76, 0x6f,
  962         0x68, 0x62, 0x74, 0x6d, 0x66, 0x62, 0x5d, 0x71, 0x6b, 0x63, 0x78,
  963         0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63,
  964         0x78, 0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63, 0x6b, 0x63, 0x78,
  965         0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63,
  966         0x78
  967 };
  968 
  969 /*
  970  * Power saving settings (values obtained from the reference driver.)
  971  */
  972 #define WPI_NDTIMRANGES         2
  973 #define WPI_NPOWERLEVELS        6
  974 static const struct wpi_pmgt {
  975         uint32_t        rxtimeout;
  976         uint32_t        txtimeout;
  977         uint32_t        intval[5];
  978         uint8_t         skip_dtim;
  979 } wpi_pmgt[WPI_NDTIMRANGES][WPI_NPOWERLEVELS] = {
  980         /* DTIM <= 10 */
  981         {
  982         {   0,   0, {  0,  0,  0,  0,  0 }, 0 },        /* CAM */
  983         { 200, 500, {  1,  2,  3,  4,  4 }, 0 },        /* PS level 1 */
  984         { 200, 300, {  2,  4,  6,  7,  7 }, 0 },        /* PS level 2 */
  985         {  50, 100, {  2,  6,  9,  9, 10 }, 0 },        /* PS level 3 */
  986         {  50,  25, {  2,  7,  9,  9, 10 }, 1 },        /* PS level 4 */
  987         {  25,  25, {  4,  7, 10, 10, 10 }, 1 }         /* PS level 5 */
  988         },
  989         /* DTIM >= 11 */
  990         {
  991         {   0,   0, {  0,  0,  0,  0,  0 }, 0 },        /* CAM */
  992         { 200, 500, {  1,  2,  3,  4, -1 }, 0 },        /* PS level 1 */
  993         { 200, 300, {  2,  4,  6,  7, -1 }, 0 },        /* PS level 2 */
  994         {  50, 100, {  2,  6,  9,  9, -1 }, 0 },        /* PS level 3 */
  995         {  50,  25, {  2,  7,  9,  9, -1 }, 0 },        /* PS level 4 */
  996         {  25,  25, {  4,  7, 10, 10, -1 }, 0 }         /* PS level 5 */
  997         }
  998 };
  999 
 1000 /* Firmware errors. */
 1001 static const char * const wpi_fw_errmsg[] = {
 1002         "OK",
 1003         "FAIL",
 1004         "BAD_PARAM",
 1005         "BAD_CHECKSUM",
 1006         "NMI_INTERRUPT",
 1007         "SYSASSERT",
 1008         "FATAL_ERROR"
 1009 };
 1010 
 1011 #define WPI_READ(sc, reg)                                               \
 1012         bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (reg))
 1013 
 1014 #define WPI_WRITE(sc, reg, val)                                         \
 1015         bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
 1016 
 1017 #define WPI_WRITE_REGION_4(sc, offset, datap, count)                    \
 1018         bus_space_write_region_4((sc)->sc_st, (sc)->sc_sh, (offset),    \
 1019             (datap), (count))
 1020 
 1021 #define WPI_SETBITS(sc, reg, mask)                                      \
 1022         WPI_WRITE(sc, reg, WPI_READ(sc, reg) | (mask))
 1023 
 1024 #define WPI_CLRBITS(sc, reg, mask)                                      \
 1025         WPI_WRITE(sc, reg, WPI_READ(sc, reg) & ~(mask))
 1026 
 1027 #define WPI_BARRIER_WRITE(sc)                                           \
 1028         bus_space_barrier((sc)->sc_st, (sc)->sc_sh, 0, (sc)->sc_sz,     \
 1029             BUS_SPACE_BARRIER_WRITE)
 1030 
 1031 #define WPI_BARRIER_READ_WRITE(sc)                                      \
 1032         bus_space_barrier((sc)->sc_st, (sc)->sc_sh, 0, (sc)->sc_sz,     \
 1033             BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE)

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