xref: /freebsd/sys/dev/rtwn/rtl8821a/r21a_rom.c (revision 685dc743dc3b5645e34836464128e1c0558b404b)

/*-
 * 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>
#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);
}