153 lines
4.5 KiB
C
153 lines
4.5 KiB
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/if_rtwn_ridx.h>
|
|
#include <dev/rtwn/if_rtwn_rx.h>
|
|
|
|
#include <dev/rtwn/rtl8812a/r12a_var.h>
|
|
|
|
#include <dev/rtwn/rtl8821a/r21a.h>
|
|
#include <dev/rtwn/rtl8821a/r21a_reg.h>
|
|
|
|
static void
|
|
r21a_bypass_ext_lna_2ghz(struct rtwn_softc *sc)
|
|
{
|
|
rtwn_bb_setbits(sc, R12A_RFE_INV(0), 0x00100000, 0);
|
|
rtwn_bb_setbits(sc, R12A_RFE_INV(0), 0x00400000, 0);
|
|
rtwn_bb_setbits(sc, R12A_RFE_PINMUX(0), 0, 0x07);
|
|
rtwn_bb_setbits(sc, R12A_RFE_PINMUX(0), 0, 0x0700);
|
|
}
|
|
|
|
void
|
|
r21a_set_band_2ghz(struct rtwn_softc *sc, uint32_t basicrates)
|
|
{
|
|
struct r12a_softc *rs = sc->sc_priv;
|
|
|
|
/* Enable CCK / OFDM. */
|
|
rtwn_bb_setbits(sc, R12A_OFDMCCK_EN,
|
|
0, R12A_OFDMCCK_EN_CCK | R12A_OFDMCCK_EN_OFDM);
|
|
|
|
/* Turn off RF PA and LNA. */
|
|
rtwn_bb_setbits(sc, R12A_RFE_PINMUX(0),
|
|
R12A_RFE_PINMUX_LNA_MASK, 0x7000);
|
|
rtwn_bb_setbits(sc, R12A_RFE_PINMUX(0),
|
|
R12A_RFE_PINMUX_PA_A_MASK, 0x70);
|
|
|
|
if (rs->ext_lna_2g) {
|
|
/* Turn on 2.4 GHz external LNA. */
|
|
rtwn_bb_setbits(sc, R12A_RFE_INV(0), 0, 0x00100000);
|
|
rtwn_bb_setbits(sc, R12A_RFE_INV(0), 0x00400000, 0);
|
|
rtwn_bb_setbits(sc, R12A_RFE_PINMUX(0), 0x05, 0x02);
|
|
rtwn_bb_setbits(sc, R12A_RFE_PINMUX(0), 0x0500, 0x0200);
|
|
} else {
|
|
/* Bypass 2.4 GHz external LNA. */
|
|
r21a_bypass_ext_lna_2ghz(sc);
|
|
}
|
|
|
|
/* Select AGC table. */
|
|
rtwn_bb_setbits(sc, R12A_TX_SCALE(0), 0x0f00, 0);
|
|
|
|
rtwn_bb_setbits(sc, R12A_TX_PATH, 0xf0, 0x10);
|
|
rtwn_bb_setbits(sc, R12A_CCK_RX_PATH, 0x0f000000, 0x01000000);
|
|
|
|
/* Write basic rates. */
|
|
rtwn_set_basicrates(sc, basicrates);
|
|
|
|
rtwn_write_1(sc, R12A_CCK_CHECK, 0);
|
|
}
|
|
|
|
void
|
|
r21a_set_band_5ghz(struct rtwn_softc *sc, uint32_t basicrates)
|
|
{
|
|
struct r12a_softc *rs = sc->sc_priv;
|
|
int ntries;
|
|
|
|
rtwn_bb_setbits(sc, R12A_RFE_PINMUX(0),
|
|
R12A_RFE_PINMUX_LNA_MASK, 0x5000);
|
|
rtwn_bb_setbits(sc, R12A_RFE_PINMUX(0),
|
|
R12A_RFE_PINMUX_PA_A_MASK, 0x40);
|
|
|
|
if (rs->ext_lna_2g) {
|
|
/* Bypass 2.4 GHz external LNA. */
|
|
r21a_bypass_ext_lna_2ghz(sc);
|
|
}
|
|
|
|
rtwn_write_1(sc, R12A_CCK_CHECK, R12A_CCK_CHECK_5GHZ);
|
|
|
|
for (ntries = 0; ntries < 100; ntries++) {
|
|
if ((rtwn_read_2(sc, R12A_TXPKT_EMPTY) & 0x30) == 0x30)
|
|
break;
|
|
|
|
rtwn_delay(sc, 25);
|
|
}
|
|
if (ntries == 100) {
|
|
device_printf(sc->sc_dev,
|
|
"%s: TXPKT_EMPTY check failed (%04X)\n",
|
|
__func__, rtwn_read_2(sc, R12A_TXPKT_EMPTY));
|
|
}
|
|
|
|
/* Enable OFDM. */
|
|
rtwn_bb_setbits(sc, R12A_OFDMCCK_EN, R12A_OFDMCCK_EN_CCK,
|
|
R12A_OFDMCCK_EN_OFDM);
|
|
|
|
/* Select AGC table. */
|
|
rtwn_bb_setbits(sc, R12A_TX_SCALE(0), 0x0f00, 0x0100);
|
|
|
|
rtwn_bb_setbits(sc, R12A_TX_PATH, 0xf0, 0);
|
|
rtwn_bb_setbits(sc, R12A_CCK_RX_PATH, 0, 0x0f000000);
|
|
|
|
/* Write basic rates. */
|
|
rtwn_set_basicrates(sc, basicrates);
|
|
}
|