FreeBSD/Linux Kernel Cross Reference
sys/dev/rtwn/rtl8821a/r21a_rom.c

     /*-
      * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD$");
    
    #include "opt_wlan.h"
    
    #include <sys/param.h>
    #include <sys/lock.h>
    #include <sys/mutex.h>
    #include <sys/mbuf.h>
    #include <sys/kernel.h>
    #include <sys/socket.h>
    #include <sys/systm.h>
    #include <sys/malloc.h>
    #include <sys/queue.h>
    #include <sys/taskqueue.h>
    #include <sys/bus.h>
    #include <sys/endian.h>
    #include <sys/linker.h>
    
    #include <net/if.h>
    #include <net/ethernet.h>
    #include <net/if_media.h>
    
    #include <net80211/ieee80211_var.h>
    #include <net80211/ieee80211_radiotap.h>
    
    #include <dev/rtwn/if_rtwnvar.h>
    
    #include <dev/rtwn/rtl8812a/r12a.h>
    #include <dev/rtwn/rtl8812a/r12a_var.h>
    #include <dev/rtwn/rtl8812a/r12a_rom_image.h>
    
    #include <dev/rtwn/rtl8821a/r21a.h>
    #include <dev/rtwn/rtl8821a/r21a_reg.h>
    
    void
    r21a_parse_rom(struct rtwn_softc *sc, uint8_t *buf)
    {
            struct r12a_softc *rs = sc->sc_priv;
            struct r12a_rom *rom = (struct r12a_rom *)buf;
            uint8_t pa_type, lna_type_2g, lna_type_5g;
    
            /* Read PA/LNA types. */
            pa_type = RTWN_GET_ROM_VAR(rom->pa_type, 0);
            lna_type_2g = RTWN_GET_ROM_VAR(rom->lna_type_2g, 0);
            lna_type_5g = RTWN_GET_ROM_VAR(rom->lna_type_5g, 0);
    
            rs->ext_pa_2g = R21A_ROM_IS_PA_EXT_2GHZ(pa_type);
            rs->ext_pa_5g = R21A_ROM_IS_PA_EXT_5GHZ(pa_type);
            rs->ext_lna_2g = R21A_ROM_IS_LNA_EXT(lna_type_2g);
            rs->ext_lna_5g = R21A_ROM_IS_LNA_EXT(lna_type_5g);
    
            RTWN_LOCK(sc);
            rs->bt_coex =
                !!(rtwn_read_4(sc, R92C_MULTI_FUNC_CTRL) & R92C_MULTI_BT_FUNC_EN);
            RTWN_UNLOCK(sc);
            rs->bt_ant_num = (rom->rf_bt_opt & R12A_RF_BT_OPT_ANT_NUM);
    
            /* Read MAC address. */
            IEEE80211_ADDR_COPY(sc->sc_ic.ic_macaddr, rom->macaddr_21a);
    
            /* Execute common part of initialization. */
            r12a_parse_rom_common(sc, buf);
    }

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