r12a_rom.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 
   58 #include <dev/rtwn/rtl8812a/r12a.h>
   59 #include <dev/rtwn/rtl8812a/r12a_var.h>
   60 #include <dev/rtwn/rtl8812a/r12a_rom_image.h>
   61 
   62 void
   63 r12a_parse_rom_common(struct rtwn_softc *sc, uint8_t *buf)
   64 {
   65         struct r12a_softc *rs = sc->sc_priv;
   66         struct r12a_rom *rom = (struct r12a_rom *)buf;
   67         int i, j, k;
   68 
   69         sc->thermal_meter = rom->thermal_meter;
   70         rs->crystalcap = RTWN_GET_ROM_VAR(rom->crystalcap,
   71             R12A_ROM_CRYSTALCAP_DEF);
   72         rs->tx_bbswing_2g = RTWN_GET_ROM_VAR(rom->tx_bbswing_2g, 0);
   73         rs->tx_bbswing_5g = RTWN_GET_ROM_VAR(rom->tx_bbswing_5g, 0);
   74 
   75         for (i = 0; i < sc->ntxchains; i++) {
   76                 struct r12a_tx_pwr_2g *pwr_2g = &rom->tx_pwr[i].pwr_2g;
   77                 struct r12a_tx_pwr_5g *pwr_5g = &rom->tx_pwr[i].pwr_5g;
   78                 struct r12a_tx_pwr_diff_2g *pwr_diff_2g =
   79                     &rom->tx_pwr[i].pwr_diff_2g;
   80                 struct r12a_tx_pwr_diff_5g *pwr_diff_5g =
   81                     &rom->tx_pwr[i].pwr_diff_5g;
   82 
   83                 for (j = 0; j < R12A_GROUP_2G - 1; j++) {
   84                         rs->cck_tx_pwr[i][j] =
   85                             RTWN_GET_ROM_VAR(pwr_2g->cck[j],
   86                                 R12A_DEF_TX_PWR_2G);
   87                         rs->ht40_tx_pwr_2g[i][j] =
   88                             RTWN_GET_ROM_VAR(pwr_2g->ht40[j],
   89                                 R12A_DEF_TX_PWR_2G);
   90                 }
   91                 rs->cck_tx_pwr[i][j] = RTWN_GET_ROM_VAR(pwr_2g->cck[j],
   92                     R12A_DEF_TX_PWR_2G);
   93 
   94                 rs->cck_tx_pwr_diff_2g[i][0] = 0;
   95                 rs->ofdm_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8(
   96                     MS(pwr_diff_2g->ht20_ofdm, LOW_PART));
   97                 rs->bw20_tx_pwr_diff_2g[i][0] = RTWN_SIGN4TO8(
   98                     MS(pwr_diff_2g->ht20_ofdm, HIGH_PART));
   99                 rs->bw40_tx_pwr_diff_2g[i][0] = 0;
  100 
  101                 for (j = 1, k = 0; k < nitems(pwr_diff_2g->diff123); j++, k++) {
  102                         rs->cck_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
  103                             MS(pwr_diff_2g->diff123[k].ofdm_cck, LOW_PART));
  104                         rs->ofdm_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
  105                             MS(pwr_diff_2g->diff123[k].ofdm_cck, HIGH_PART));
  106                         rs->bw20_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
  107                             MS(pwr_diff_2g->diff123[k].ht40_ht20, LOW_PART));
  108                         rs->bw40_tx_pwr_diff_2g[i][j] = RTWN_SIGN4TO8(
  109                             MS(pwr_diff_2g->diff123[k].ht40_ht20, HIGH_PART));
  110                 }
  111 
  112                 for (j = 0; j < R12A_GROUP_5G; j++) {
  113                         rs->ht40_tx_pwr_5g[i][j] =
  114                             RTWN_GET_ROM_VAR(pwr_5g->ht40[j],
  115                                 R12A_DEF_TX_PWR_5G);
  116                 }
  117 
  118                 rs->ofdm_tx_pwr_diff_5g[i][0] = RTWN_SIGN4TO8(
  119                     MS(pwr_diff_5g->ht20_ofdm, LOW_PART));
  120                 rs->ofdm_tx_pwr_diff_5g[i][1] = RTWN_SIGN4TO8(
  121                     MS(pwr_diff_5g->ofdm_ofdm[0], HIGH_PART));
  122                 rs->ofdm_tx_pwr_diff_5g[i][2] = RTWN_SIGN4TO8(
  123                     MS(pwr_diff_5g->ofdm_ofdm[0], LOW_PART));
  124                 rs->ofdm_tx_pwr_diff_5g[i][3] = RTWN_SIGN4TO8(
  125                     MS(pwr_diff_5g->ofdm_ofdm[1], LOW_PART));
  126 
  127                 rs->bw20_tx_pwr_diff_5g[i][0] = RTWN_SIGN4TO8(
  128                     MS(pwr_diff_5g->ht20_ofdm, HIGH_PART));
  129                 rs->bw40_tx_pwr_diff_5g[i][0] = 0;
  130                 for (j = 1, k = 0; k < nitems(pwr_diff_5g->ht40_ht20);
  131                     j++, k++) {
  132                         rs->bw20_tx_pwr_diff_5g[i][j] = RTWN_SIGN4TO8(
  133                             MS(pwr_diff_5g->ht40_ht20[k], LOW_PART));
  134                         rs->bw40_tx_pwr_diff_5g[i][j] = RTWN_SIGN4TO8(
  135                             MS(pwr_diff_5g->ht40_ht20[k], HIGH_PART));
  136                 }
  137 
  138                 for (j = 0; j < nitems(pwr_diff_5g->ht80_ht160); j++) {
  139                         rs->bw80_tx_pwr_diff_5g[i][j] = RTWN_SIGN4TO8(
  140                             MS(pwr_diff_5g->ht80_ht160[j], HIGH_PART));
  141                         rs->bw160_tx_pwr_diff_5g[i][j] = RTWN_SIGN4TO8(
  142                             MS(pwr_diff_5g->ht80_ht160[j], LOW_PART));
  143                 }
  144         }
  145 
  146         rs->regulatory = MS(rom->rf_board_opt, R92C_ROM_RF1_REGULATORY);
  147         rs->board_type =
  148             MS(RTWN_GET_ROM_VAR(rom->rf_board_opt, R92C_BOARD_TYPE_DONGLE),
  149                 R92C_ROM_RF1_BOARD_TYPE);
  150         RTWN_DPRINTF(sc, RTWN_DEBUG_ROM, "%s: regulatory type=%d\n",
  151             __func__, rs->regulatory);
  152 }
  153 
  154 void
  155 r12a_parse_rom(struct rtwn_softc *sc, uint8_t *buf)
  156 {
  157         struct r12a_softc *rs = sc->sc_priv;
  158         struct r12a_rom *rom = (struct r12a_rom *)buf;
  159         uint8_t pa_type, lna_type_2g, lna_type_5g;
  160 
  161         /* Read PA/LNA types. */
  162         pa_type = RTWN_GET_ROM_VAR(rom->pa_type, 0);
  163         lna_type_2g = RTWN_GET_ROM_VAR(rom->lna_type_2g, 0);
  164         lna_type_5g = RTWN_GET_ROM_VAR(rom->lna_type_5g, 0);
  165 
  166         rs->ext_pa_2g = R12A_ROM_IS_PA_EXT_2GHZ(pa_type);
  167         rs->ext_pa_5g = R12A_ROM_IS_PA_EXT_5GHZ(pa_type);
  168         rs->ext_lna_2g = R21A_ROM_IS_LNA_EXT(lna_type_2g);
  169         rs->ext_lna_5g = R21A_ROM_IS_LNA_EXT(lna_type_5g);
  170         rs->bt_coex = (MS(rom->rf_board_opt, R92C_ROM_RF1_BOARD_TYPE) ==
  171             R92C_BOARD_TYPE_HIGHPA);
  172         rs->bt_ant_num = (rom->rf_bt_opt & R12A_RF_BT_OPT_ANT_NUM);
  173 
  174         if (rs->ext_pa_2g) {
  175                 rs->type_pa_2g =
  176                     R12A_GET_ROM_PA_TYPE(lna_type_2g, 0) |
  177                     (R12A_GET_ROM_PA_TYPE(lna_type_2g, 1) << 2);
  178         }
  179         if (rs->ext_pa_5g) {
  180                 rs->type_pa_5g =
  181                     R12A_GET_ROM_PA_TYPE(lna_type_5g, 0) |
  182                     (R12A_GET_ROM_PA_TYPE(lna_type_5g, 1) << 2);
  183         }
  184         if (rs->ext_lna_2g) {
  185                 rs->type_lna_2g =
  186                     R12A_GET_ROM_LNA_TYPE(lna_type_2g, 0) |
  187                     (R12A_GET_ROM_LNA_TYPE(lna_type_2g, 1) << 2);
  188         }
  189         if (rs->ext_lna_5g) {
  190                 rs->type_lna_5g =
  191                     R12A_GET_ROM_LNA_TYPE(lna_type_5g, 0) |
  192                     (R12A_GET_ROM_LNA_TYPE(lna_type_5g, 1) << 2);
  193         }
  194 
  195         if (rom->rfe_option & 0x80) {
  196                 if (rs->ext_lna_5g) {
  197                         if (rs->ext_pa_5g) {
  198                                 if (rs->ext_pa_2g && rs->ext_lna_2g)
  199                                         rs->rfe_type = 3;
  200                                 else
  201                                         rs->rfe_type = 0;
  202                         } else
  203                                 rs->rfe_type = 2;
  204                 } else
  205                         rs->rfe_type = 4;
  206         } else {
  207                 rs->rfe_type = rom->rfe_option & 0x3f;
  208 
  209                 /* workaround for incorrect EFUSE map */
  210                 if (rs->rfe_type == 4 &&
  211                     rs->ext_pa_2g && rs->ext_lna_2g &&
  212                     rs->ext_pa_5g && rs->ext_lna_5g)
  213                         rs->rfe_type = 0;
  214         }
  215 
  216         /* Read MAC address. */
  217         IEEE80211_ADDR_COPY(sc->sc_ic.ic_macaddr, rom->macaddr_12a);
  218 
  219         /* Execute common part of initialization. */
  220         r12a_parse_rom_common(sc, buf);
  221 }

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FreeBSD/Linux Kernel Cross Reference sys/dev/rtwn/rtl8812a/r12a_rom.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/rtwn/rtl8812a/r12a_rom.c