The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/rtwn/rtl8812a/r12a_chan.c

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    1 /*-
    2  * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  */
   26 
   27 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD$");
   29 
   30 #include "opt_wlan.h"
   31 
   32 #include <sys/param.h>
   33 #include <sys/lock.h>
   34 #include <sys/mutex.h>
   35 #include <sys/mbuf.h>
   36 #include <sys/kernel.h>
   37 #include <sys/socket.h>
   38 #include <sys/systm.h>
   39 #include <sys/malloc.h>
   40 #include <sys/queue.h>
   41 #include <sys/taskqueue.h>
   42 #include <sys/bus.h>
   43 #include <sys/endian.h>
   44 #include <sys/linker.h>
   45 
   46 #include <net/if.h>
   47 #include <net/ethernet.h>
   48 #include <net/if_media.h>
   49 
   50 #include <net80211/ieee80211_var.h>
   51 #include <net80211/ieee80211_radiotap.h>
   52 
   53 #include <dev/rtwn/if_rtwnreg.h>
   54 #include <dev/rtwn/if_rtwnvar.h>
   55 
   56 #include <dev/rtwn/if_rtwn_debug.h>
   57 #include <dev/rtwn/if_rtwn_ridx.h>
   58 #include <dev/rtwn/if_rtwn_rx.h>
   59 
   60 #include <dev/rtwn/rtl8812a/r12a.h>
   61 #include <dev/rtwn/rtl8812a/r12a_reg.h>
   62 #include <dev/rtwn/rtl8812a/r12a_var.h>
   63 
   64 static void
   65 r12a_write_txpower(struct rtwn_softc *sc, int chain,
   66     struct ieee80211_channel *c, uint8_t power[RTWN_RIDX_COUNT])
   67 {
   68 
   69         if (IEEE80211_IS_CHAN_2GHZ(c)) {
   70                 /* Write per-CCK rate Tx power. */
   71                 rtwn_bb_write(sc, R12A_TXAGC_CCK11_1(chain),
   72                     SM(R12A_TXAGC_CCK1,  power[RTWN_RIDX_CCK1]) |
   73                     SM(R12A_TXAGC_CCK2,  power[RTWN_RIDX_CCK2]) |
   74                     SM(R12A_TXAGC_CCK55, power[RTWN_RIDX_CCK55]) |
   75                     SM(R12A_TXAGC_CCK11, power[RTWN_RIDX_CCK11]));
   76         }
   77 
   78         /* Write per-OFDM rate Tx power. */
   79         rtwn_bb_write(sc, R12A_TXAGC_OFDM18_6(chain),
   80             SM(R12A_TXAGC_OFDM06, power[RTWN_RIDX_OFDM6]) |
   81             SM(R12A_TXAGC_OFDM09, power[RTWN_RIDX_OFDM9]) |
   82             SM(R12A_TXAGC_OFDM12, power[RTWN_RIDX_OFDM12]) |
   83             SM(R12A_TXAGC_OFDM18, power[RTWN_RIDX_OFDM18]));
   84         rtwn_bb_write(sc, R12A_TXAGC_OFDM54_24(chain),
   85             SM(R12A_TXAGC_OFDM24, power[RTWN_RIDX_OFDM24]) |
   86             SM(R12A_TXAGC_OFDM36, power[RTWN_RIDX_OFDM36]) |
   87             SM(R12A_TXAGC_OFDM48, power[RTWN_RIDX_OFDM48]) |
   88             SM(R12A_TXAGC_OFDM54, power[RTWN_RIDX_OFDM54]));
   89         /* Write per-MCS Tx power. */
   90         rtwn_bb_write(sc, R12A_TXAGC_MCS3_0(chain),
   91             SM(R12A_TXAGC_MCS0, power[RTWN_RIDX_HT_MCS(0)]) |
   92             SM(R12A_TXAGC_MCS1, power[RTWN_RIDX_HT_MCS(1)]) |
   93             SM(R12A_TXAGC_MCS2, power[RTWN_RIDX_HT_MCS(2)]) |
   94             SM(R12A_TXAGC_MCS3, power[RTWN_RIDX_HT_MCS(3)]));
   95         rtwn_bb_write(sc, R12A_TXAGC_MCS7_4(chain),
   96             SM(R12A_TXAGC_MCS4, power[RTWN_RIDX_HT_MCS(4)]) |
   97             SM(R12A_TXAGC_MCS5, power[RTWN_RIDX_HT_MCS(5)]) |
   98             SM(R12A_TXAGC_MCS6, power[RTWN_RIDX_HT_MCS(6)]) |
   99             SM(R12A_TXAGC_MCS7, power[RTWN_RIDX_HT_MCS(7)]));
  100         if (sc->ntxchains >= 2) {
  101                 rtwn_bb_write(sc, R12A_TXAGC_MCS11_8(chain),
  102                     SM(R12A_TXAGC_MCS8,  power[RTWN_RIDX_HT_MCS(8)]) |
  103                     SM(R12A_TXAGC_MCS9,  power[RTWN_RIDX_HT_MCS(9)]) |
  104                     SM(R12A_TXAGC_MCS10, power[RTWN_RIDX_HT_MCS(10)]) |
  105                     SM(R12A_TXAGC_MCS11, power[RTWN_RIDX_HT_MCS(11)]));
  106                 rtwn_bb_write(sc, R12A_TXAGC_MCS15_12(chain),
  107                     SM(R12A_TXAGC_MCS12, power[RTWN_RIDX_HT_MCS(12)]) |
  108                     SM(R12A_TXAGC_MCS13, power[RTWN_RIDX_HT_MCS(13)]) |
  109                     SM(R12A_TXAGC_MCS14, power[RTWN_RIDX_HT_MCS(14)]) |
  110                     SM(R12A_TXAGC_MCS15, power[RTWN_RIDX_HT_MCS(15)]));
  111         }
  112 
  113         /* TODO: VHT rates */
  114 }
  115 
  116 static int
  117 r12a_get_power_group(struct rtwn_softc *sc, struct ieee80211_channel *c)
  118 {
  119         uint8_t chan;
  120         int group;
  121 
  122         chan = rtwn_chan2centieee(c);
  123         if (IEEE80211_IS_CHAN_2GHZ(c)) {
  124                 if (chan <= 2)                  group = 0;
  125                 else if (chan <= 5)             group = 1;
  126                 else if (chan <= 8)             group = 2;
  127                 else if (chan <= 11)            group = 3;
  128                 else if (chan <= 14)            group = 4;
  129                 else {
  130                         KASSERT(0, ("wrong 2GHz channel %d!\n", chan));
  131                         return (-1);
  132                 }
  133         } else if (IEEE80211_IS_CHAN_5GHZ(c)) {
  134                 if (chan < 36)
  135                         return (-1);
  136 
  137                 if (chan <= 42)                 group = 0;
  138                 else if (chan <= 48)            group = 1;
  139                 else if (chan <= 58)            group = 2;
  140                 else if (chan <= 64)            group = 3;
  141                 else if (chan <= 106)           group = 4;
  142                 else if (chan <= 114)           group = 5;
  143                 else if (chan <= 122)           group = 6;
  144                 else if (chan <= 130)           group = 7;
  145                 else if (chan <= 138)           group = 8;
  146                 else if (chan <= 144)           group = 9;
  147                 else if (chan <= 155)           group = 10;
  148                 else if (chan <= 161)           group = 11;
  149                 else if (chan <= 171)           group = 12;
  150                 else if (chan <= 177)           group = 13;
  151                 else {
  152                         KASSERT(0, ("wrong 5GHz channel %d!\n", chan));
  153                         return (-1);
  154                 }
  155         } else {
  156                 KASSERT(0, ("wrong channel band (flags %08X)\n", c->ic_flags));
  157                 return (-1);
  158         }
  159 
  160         return (group);
  161 }
  162 
  163 static void
  164 r12a_get_txpower(struct rtwn_softc *sc, int chain,
  165     struct ieee80211_channel *c, uint8_t power[RTWN_RIDX_COUNT])
  166 {
  167         struct r12a_softc *rs = sc->sc_priv;
  168         int i, ridx, group, max_mcs;
  169 
  170         /* Determine channel group. */
  171         group = r12a_get_power_group(sc, c);
  172         if (group == -1) {      /* shouldn't happen */
  173                 device_printf(sc->sc_dev, "%s: incorrect channel\n", __func__);
  174                 return;
  175         }
  176 
  177         /* TODO: VHT rates. */
  178         max_mcs = RTWN_RIDX_HT_MCS(sc->ntxchains * 8 - 1);
  179 
  180         /* XXX regulatory */
  181         /* XXX net80211 regulatory */
  182 
  183         if (IEEE80211_IS_CHAN_2GHZ(c)) {
  184                 for (ridx = RTWN_RIDX_CCK1; ridx <= RTWN_RIDX_CCK11; ridx++)
  185                         power[ridx] = rs->cck_tx_pwr[chain][group];
  186                 for (ridx = RTWN_RIDX_OFDM6; ridx <= max_mcs; ridx++)
  187                         power[ridx] = rs->ht40_tx_pwr_2g[chain][group];
  188 
  189                 for (ridx = RTWN_RIDX_OFDM6; ridx <= RTWN_RIDX_OFDM54; ridx++)
  190                         power[ridx] += rs->ofdm_tx_pwr_diff_2g[chain][0];
  191 
  192                 for (i = 0; i < sc->ntxchains; i++) {
  193                         uint8_t min_mcs;
  194                         uint8_t pwr_diff;
  195 
  196 #ifdef notyet
  197                         if (IEEE80211_IS_CHAN_HT80(c)) {
  198                                 /* Vendor driver uses HT40 values here. */
  199                                 pwr_diff = rs->bw40_tx_pwr_diff_2g[chain][i];
  200                         } else
  201 #endif
  202                         if (IEEE80211_IS_CHAN_HT40(c))
  203                                 pwr_diff = rs->bw40_tx_pwr_diff_2g[chain][i];
  204                         else
  205                                 pwr_diff = rs->bw20_tx_pwr_diff_2g[chain][i];
  206 
  207                         min_mcs = RTWN_RIDX_HT_MCS(i * 8);
  208                         for (ridx = min_mcs; ridx <= max_mcs; ridx++)
  209                                 power[ridx] += pwr_diff;
  210                 }
  211         } else {        /* 5GHz */
  212                 for (ridx = RTWN_RIDX_OFDM6; ridx <= max_mcs; ridx++)
  213                         power[ridx] = rs->ht40_tx_pwr_5g[chain][group];
  214 
  215                 for (ridx = RTWN_RIDX_OFDM6; ridx <= RTWN_RIDX_OFDM54; ridx++)
  216                         power[ridx] += rs->ofdm_tx_pwr_diff_5g[chain][0];
  217 
  218                 for (i = 0; i < sc->ntxchains; i++) {
  219                         uint8_t min_mcs;
  220                         uint8_t pwr_diff;
  221 
  222 #ifdef notyet
  223                         if (IEEE80211_IS_CHAN_HT80(c)) {
  224                                 /* TODO: calculate base value. */
  225                                 pwr_diff = rs->bw80_tx_pwr_diff_5g[chain][i];
  226                         } else
  227 #endif
  228                         if (IEEE80211_IS_CHAN_HT40(c))
  229                                 pwr_diff = rs->bw40_tx_pwr_diff_5g[chain][i];
  230                         else
  231                                 pwr_diff = rs->bw20_tx_pwr_diff_5g[chain][i];
  232 
  233                         min_mcs = RTWN_RIDX_HT_MCS(i * 8);
  234                         for (ridx = min_mcs; ridx <= max_mcs; ridx++)
  235                                 power[ridx] += pwr_diff;
  236                 }
  237         }
  238 
  239         /* Apply max limit. */
  240         for (ridx = RTWN_RIDX_CCK1; ridx <= max_mcs; ridx++) {
  241                 if (power[ridx] > R92C_MAX_TX_PWR)
  242                         power[ridx] = R92C_MAX_TX_PWR;
  243         }
  244 
  245 #ifdef RTWN_DEBUG
  246         if (sc->sc_debug & RTWN_DEBUG_TXPWR) {
  247                 /* Dump per-rate Tx power values. */
  248                 printf("Tx power for chain %d:\n", chain);
  249                 for (ridx = RTWN_RIDX_CCK1; ridx <= max_mcs; ridx++)
  250                         printf("Rate %d = %u\n", ridx, power[ridx]);
  251         }
  252 #endif
  253 }
  254 
  255 static void
  256 r12a_set_txpower(struct rtwn_softc *sc, struct ieee80211_channel *c)
  257 {
  258         uint8_t power[RTWN_RIDX_COUNT];
  259         int i;
  260 
  261         for (i = 0; i < sc->ntxchains; i++) {
  262                 memset(power, 0, sizeof(power));
  263                 /* Compute per-rate Tx power values. */
  264                 r12a_get_txpower(sc, i, c, power);
  265                 /* Write per-rate Tx power values to hardware. */
  266                 r12a_write_txpower(sc, i, c, power);
  267         }
  268 }
  269 
  270 void
  271 r12a_fix_spur(struct rtwn_softc *sc, struct ieee80211_channel *c)
  272 {
  273         struct r12a_softc *rs = sc->sc_priv;
  274         uint16_t chan = rtwn_chan2centieee(c);
  275 
  276         if (rs->chip & R12A_CHIP_C_CUT) {
  277                 if (IEEE80211_IS_CHAN_HT40(c) && chan == 11) {
  278                         rtwn_bb_setbits(sc, R12A_RFMOD, 0, 0xc00);
  279                         rtwn_bb_setbits(sc, R12A_ADC_BUF_CLK, 0, 0x40000000);
  280                 } else {
  281                         rtwn_bb_setbits(sc, R12A_RFMOD, 0x400, 0x800);
  282 
  283                         if (!IEEE80211_IS_CHAN_HT40(c) &&       /* 20 MHz */
  284                             (chan == 13 || chan == 14)) {
  285                                 rtwn_bb_setbits(sc, R12A_RFMOD, 0, 0x300);
  286                                 rtwn_bb_setbits(sc, R12A_ADC_BUF_CLK,
  287                                     0, 0x40000000);
  288                         } else {        /* !80 Mhz */
  289                                 rtwn_bb_setbits(sc, R12A_RFMOD, 0x100, 0x200);
  290                                 rtwn_bb_setbits(sc, R12A_ADC_BUF_CLK,
  291                                     0x40000000, 0);
  292                         }
  293                 }
  294         } else {
  295                 /* Set ADC clock to 160M to resolve 2480 MHz spur. */
  296                 if (!IEEE80211_IS_CHAN_HT40(c) &&       /* 20 MHz */
  297                     (chan == 13 || chan == 14))
  298                         rtwn_bb_setbits(sc, R12A_RFMOD, 0, 0x300);
  299                 else if (IEEE80211_IS_CHAN_2GHZ(c))
  300                         rtwn_bb_setbits(sc, R12A_RFMOD, 0x100, 0x200);
  301         }
  302 }
  303 
  304 static void
  305 r12a_set_band(struct rtwn_softc *sc, struct ieee80211_channel *c)
  306 {
  307         struct ieee80211com *ic = &sc->sc_ic;
  308         struct r12a_softc *rs = sc->sc_priv;
  309         uint32_t basicrates;
  310         uint8_t swing;
  311         int i;
  312 
  313         /* Check if band was changed. */
  314         if ((sc->sc_flags & (RTWN_STARTED | RTWN_RUNNING)) !=
  315             RTWN_STARTED && IEEE80211_IS_CHAN_5GHZ(c) ^
  316             !(rtwn_read_1(sc, R12A_CCK_CHECK) & R12A_CCK_CHECK_5GHZ))
  317                 return;
  318 
  319         rtwn_get_rates(sc, ieee80211_get_suprates(ic, c), NULL, &basicrates,
  320             NULL, 1);
  321         if (IEEE80211_IS_CHAN_2GHZ(c)) {
  322                 rtwn_r12a_set_band_2ghz(sc, basicrates);
  323                 swing = rs->tx_bbswing_2g;
  324         } else if (IEEE80211_IS_CHAN_5GHZ(c)) {
  325                 rtwn_r12a_set_band_5ghz(sc, basicrates);
  326                 swing = rs->tx_bbswing_5g;
  327         } else {
  328                 KASSERT(0, ("wrong channel flags %08X\n", c->ic_flags));
  329                 return;
  330         }
  331 
  332         /* XXX PATH_B is set by vendor driver. */
  333         for (i = 0; i < 2; i++) {
  334                 uint16_t val = 0;
  335 
  336                 switch ((swing >> i * 2) & 0x3) {
  337                 case 0:
  338                         val = 0x200;    /* 0 dB */
  339                         break;
  340                 case 1:
  341                         val = 0x16a;    /* -3 dB */
  342                         break;
  343                 case 2:
  344                         val = 0x101;    /* -6 dB */
  345                         break;
  346                 case 3:
  347                         val = 0xb6;     /* -9 dB */
  348                         break;
  349                 }
  350 
  351                 rtwn_bb_setbits(sc, R12A_TX_SCALE(i), R12A_TX_SCALE_SWING_M,
  352                     val << R12A_TX_SCALE_SWING_S);
  353         }
  354 }
  355 
  356 void
  357 r12a_set_chan(struct rtwn_softc *sc, struct ieee80211_channel *c)
  358 {
  359         uint32_t val;
  360         uint16_t chan;
  361         int i;
  362 
  363         r12a_set_band(sc, c);
  364 
  365         chan = rtwn_chan2centieee(c);
  366         if (36 <= chan && chan <= 48)
  367                 val = 0x09280000;
  368         else if (50 <= chan && chan <= 64)
  369                 val = 0x08a60000;
  370         else if (100 <= chan && chan <= 116)
  371                 val = 0x08a40000;
  372         else if (118 <= chan)
  373                 val = 0x08240000;
  374         else
  375                 val = 0x12d40000;
  376 
  377         rtwn_bb_setbits(sc, R12A_FC_AREA, 0x1ffe0000, val);
  378 
  379         for (i = 0; i < sc->nrxchains; i++) {
  380                 if (36 <= chan && chan <= 64)
  381                         val = 0x10100;
  382                 else if (100 <= chan && chan <= 140)
  383                         val = 0x30100;
  384                 else if (140 < chan)
  385                         val = 0x50100;
  386                 else
  387                         val = 0x00000;
  388 
  389                 rtwn_rf_setbits(sc, i, R92C_RF_CHNLBW, 0x70300, val);
  390 
  391                 /* RTL8812AU-specific */
  392                 rtwn_r12a_fix_spur(sc, c);
  393 
  394                 KASSERT(chan <= 0xff, ("%s: chan %d\n", __func__, chan));
  395                 rtwn_rf_setbits(sc, i, R92C_RF_CHNLBW, 0xff, chan);
  396         }
  397 
  398 #ifdef notyet
  399         if (IEEE80211_IS_CHAN_HT80(c)) {        /* 80 MHz */
  400                 rtwn_setbits_2(sc, R92C_WMAC_TRXPTCL_CTL, 0x80, 0x100);
  401 
  402                 /* TODO */
  403 
  404                 val = 0x0;
  405         } else
  406 #endif
  407         if (IEEE80211_IS_CHAN_HT40(c)) {        /* 40 MHz */
  408                 uint8_t ext_chan;
  409 
  410                 if (IEEE80211_IS_CHAN_HT40U(c))
  411                         ext_chan = R12A_DATA_SEC_PRIM_DOWN_20;
  412                 else
  413                         ext_chan = R12A_DATA_SEC_PRIM_UP_20;
  414 
  415                 rtwn_setbits_2(sc, R92C_WMAC_TRXPTCL_CTL, 0x100, 0x80);
  416                 rtwn_write_1(sc, R12A_DATA_SEC, ext_chan);
  417 
  418                 rtwn_bb_setbits(sc, R12A_RFMOD, 0x003003c3, 0x00300201);
  419                 rtwn_bb_setbits(sc, R12A_ADC_BUF_CLK, 0x40000000, 0);
  420 
  421                 /* discard high 4 bits */
  422                 val = rtwn_bb_read(sc, R12A_RFMOD);
  423                 val = RW(val, R12A_RFMOD_EXT_CHAN, ext_chan);
  424                 rtwn_bb_write(sc, R12A_RFMOD, val);
  425 
  426                 val = rtwn_bb_read(sc, R12A_CCA_ON_SEC);
  427                 val = RW(val, R12A_CCA_ON_SEC_EXT_CHAN, ext_chan);
  428                 rtwn_bb_write(sc, R12A_CCA_ON_SEC, val);
  429 
  430                 if (rtwn_read_1(sc, 0x837) & 0x04)
  431                         val = 0x01800000;
  432                 else if (sc->nrxchains == 2 && sc->ntxchains == 2)
  433                         val = 0x01c00000;
  434                 else
  435                         val = 0x02000000;
  436 
  437                 rtwn_bb_setbits(sc, R12A_L1_PEAK_TH, 0x03c00000, val);
  438 
  439                 if (IEEE80211_IS_CHAN_HT40U(c))
  440                         rtwn_bb_setbits(sc, R92C_CCK0_SYSTEM, 0x10, 0);
  441                 else
  442                         rtwn_bb_setbits(sc, R92C_CCK0_SYSTEM, 0, 0x10);
  443 
  444                 val = 0x400;
  445         } else {        /* 20 MHz */
  446                 rtwn_setbits_2(sc, R92C_WMAC_TRXPTCL_CTL, 0x180, 0);
  447                 rtwn_write_1(sc, R12A_DATA_SEC, R12A_DATA_SEC_NO_EXT);
  448 
  449                 rtwn_bb_setbits(sc, R12A_RFMOD, 0x003003c3, 0x00300200);
  450                 rtwn_bb_setbits(sc, R12A_ADC_BUF_CLK, 0x40000000, 0);
  451 
  452                 if (sc->nrxchains == 2 && sc->ntxchains == 2)
  453                         val = 0x01c00000;
  454                 else
  455                         val = 0x02000000;
  456 
  457                 rtwn_bb_setbits(sc, R12A_L1_PEAK_TH, 0x03c00000, val);
  458 
  459                 val = 0xc00;
  460         }
  461 
  462         /* RTL8812AU-specific */
  463         rtwn_r12a_fix_spur(sc, c);
  464 
  465         for (i = 0; i < sc->nrxchains; i++)
  466                 rtwn_rf_setbits(sc, i, R92C_RF_CHNLBW, 0xc00, val);
  467 
  468         /* Set Tx power for this new channel. */
  469         r12a_set_txpower(sc, c);
  470 }
  471 
  472 void
  473 r12a_set_band_2ghz(struct rtwn_softc *sc, uint32_t basicrates)
  474 {
  475         struct r12a_softc *rs = sc->sc_priv;
  476 
  477         /* Enable CCK / OFDM. */
  478         rtwn_bb_setbits(sc, R12A_OFDMCCK_EN,
  479             0, R12A_OFDMCCK_EN_CCK | R12A_OFDMCCK_EN_OFDM);
  480 
  481         rtwn_bb_setbits(sc, R12A_BW_INDICATION, 0x02, 0x01);
  482         rtwn_bb_setbits(sc, R12A_PWED_TH, 0x3e000, 0x2e000);
  483 
  484         /* Select AGC table. */
  485         rtwn_bb_setbits(sc, R12A_TXAGC_TABLE_SELECT, 0x03, 0);
  486 
  487         switch (rs->rfe_type) {
  488         case 0:
  489         case 1:
  490         case 2:
  491                 rtwn_bb_write(sc, R12A_RFE_PINMUX(0), 0x77777777);
  492                 rtwn_bb_write(sc, R12A_RFE_PINMUX(1), 0x77777777);
  493                 rtwn_bb_setbits(sc, R12A_RFE_INV(0), 0x3ff00000, 0);
  494                 rtwn_bb_setbits(sc, R12A_RFE_INV(1), 0x3ff00000, 0);
  495                 break;
  496         case 3:
  497                 rtwn_bb_write(sc, R12A_RFE_PINMUX(0), 0x54337770);
  498                 rtwn_bb_write(sc, R12A_RFE_PINMUX(1), 0x54337770);
  499                 rtwn_bb_setbits(sc, R12A_RFE_INV(0), 0x3ff00000, 0x01000000);
  500                 rtwn_bb_setbits(sc, R12A_RFE_INV(1), 0x3ff00000, 0x01000000);
  501                 rtwn_bb_setbits(sc, R12A_ANTSEL_SW, 0x0303, 0x01);
  502                 break;
  503         case 4:
  504                 rtwn_bb_write(sc, R12A_RFE_PINMUX(0), 0x77777777);
  505                 rtwn_bb_write(sc, R12A_RFE_PINMUX(1), 0x77777777);
  506                 rtwn_bb_setbits(sc, R12A_RFE_INV(0), 0x3ff00000, 0x00100000);
  507                 rtwn_bb_setbits(sc, R12A_RFE_INV(1), 0x3ff00000, 0x00100000);
  508                 break;
  509         case 5:
  510                 rtwn_write_1(sc, R12A_RFE_PINMUX(0) + 2, 0x77);
  511                 rtwn_bb_write(sc, R12A_RFE_PINMUX(1), 0x77777777);
  512                 rtwn_setbits_1(sc, R12A_RFE_INV(0) + 3, 0x01, 0);
  513                 rtwn_bb_setbits(sc, R12A_RFE_INV(1), 0x3ff00000, 0);
  514                 break;
  515         default:
  516                 break;
  517         }
  518 
  519         rtwn_bb_setbits(sc, R12A_TX_PATH, 0xf0, 0x10);
  520         rtwn_bb_setbits(sc, R12A_CCK_RX_PATH, 0x0f000000, 0x01000000);
  521 
  522         /* Write basic rates. */
  523         rtwn_set_basicrates(sc, basicrates);
  524 
  525         rtwn_write_1(sc, R12A_CCK_CHECK, 0);
  526 }
  527 
  528 void
  529 r12a_set_band_5ghz(struct rtwn_softc *sc, uint32_t basicrates)
  530 {
  531         struct r12a_softc *rs = sc->sc_priv;
  532         int ntries;
  533 
  534         rtwn_write_1(sc, R12A_CCK_CHECK, R12A_CCK_CHECK_5GHZ);
  535 
  536         for (ntries = 0; ntries < 100; ntries++) {
  537                 if ((rtwn_read_2(sc, R12A_TXPKT_EMPTY) & 0x30) == 0x30)
  538                         break;
  539 
  540                 rtwn_delay(sc, 25);
  541         }
  542         if (ntries == 100) {
  543                 device_printf(sc->sc_dev,
  544                     "%s: TXPKT_EMPTY check failed (%04X)\n",
  545                     __func__, rtwn_read_2(sc, R12A_TXPKT_EMPTY));
  546         }
  547 
  548         /* Enable OFDM. */
  549         rtwn_bb_setbits(sc, R12A_OFDMCCK_EN, R12A_OFDMCCK_EN_CCK,
  550             R12A_OFDMCCK_EN_OFDM);
  551 
  552         rtwn_bb_setbits(sc, R12A_BW_INDICATION, 0x01, 0x02);
  553         rtwn_bb_setbits(sc, R12A_PWED_TH, 0x3e000, 0x2a000);
  554 
  555         /* Select AGC table. */
  556         rtwn_bb_setbits(sc, R12A_TXAGC_TABLE_SELECT, 0x03, 0x01);
  557 
  558         switch (rs->rfe_type) {
  559         case 0:
  560                 rtwn_bb_write(sc, R12A_RFE_PINMUX(0), 0x77337717);
  561                 rtwn_bb_write(sc, R12A_RFE_PINMUX(1), 0x77337717);
  562                 rtwn_bb_setbits(sc, R12A_RFE_INV(0), 0x3ff00000, 0x01000000);
  563                 rtwn_bb_setbits(sc, R12A_RFE_INV(1), 0x3ff00000, 0x01000000);
  564                 break;
  565         case 1:
  566                 rtwn_bb_write(sc, R12A_RFE_PINMUX(0), 0x77337717);
  567                 rtwn_bb_write(sc, R12A_RFE_PINMUX(1), 0x77337717);
  568                 rtwn_bb_setbits(sc, R12A_RFE_INV(0), 0x3ff00000, 0);
  569                 rtwn_bb_setbits(sc, R12A_RFE_INV(1), 0x3ff00000, 0);
  570                 break;
  571         case 2:
  572         case 4:
  573                 rtwn_bb_write(sc, R12A_RFE_PINMUX(0), 0x77337777);
  574                 rtwn_bb_write(sc, R12A_RFE_PINMUX(1), 0x77337777);
  575                 rtwn_bb_setbits(sc, R12A_RFE_INV(0), 0x3ff00000, 0x01000000);
  576                 rtwn_bb_setbits(sc, R12A_RFE_INV(1), 0x3ff00000, 0x01000000);
  577                 break;
  578         case 3:
  579                 rtwn_bb_write(sc, R12A_RFE_PINMUX(0), 0x54337717);
  580                 rtwn_bb_write(sc, R12A_RFE_PINMUX(1), 0x54337717);
  581                 rtwn_bb_setbits(sc, R12A_RFE_INV(0), 0x3ff00000, 0x01000000);
  582                 rtwn_bb_setbits(sc, R12A_RFE_INV(1), 0x3ff00000, 0x01000000);
  583                 rtwn_bb_setbits(sc, R12A_ANTSEL_SW, 0x0303, 0x01);
  584                 break;
  585         case 5:
  586                 rtwn_write_1(sc, R12A_RFE_PINMUX(0) + 2, 0x33);
  587                 rtwn_bb_write(sc, R12A_RFE_PINMUX(1), 0x77337777);
  588                 rtwn_setbits_1(sc, R12A_RFE_INV(0) + 3, 0, 0x01);
  589                 rtwn_bb_setbits(sc, R12A_RFE_INV(1), 0x3ff00000, 0x01000000);
  590                 break;
  591         default:
  592                 break;
  593         }
  594 
  595         rtwn_bb_setbits(sc, R12A_TX_PATH, 0xf0, 0);
  596         rtwn_bb_setbits(sc, R12A_CCK_RX_PATH, 0, 0x0f000000);
  597 
  598         /* Write basic rates. */
  599         rtwn_set_basicrates(sc, basicrates);
  600 }

Cache object: b4efcd7a915e6779de3dd4adc5cce859


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