All devices: - add support for rate adaptation via ieee80211_amrr(9); - use short preamble for transmitted frames when needed; - multi-bss support: * for RTL8821AU: 2 VAPs at the same time; * other: 1 any VAP + 1 sta VAP. RTL8188CE: - fix IQ calibration bug (reason of significant speed degradation); - add h/w crypto acceleration support. USB: - A-MPDU Tx support; - short GI support; Other: - add support for RTL8812AU / RTL8821AU chipsets (a/b/g/n only; no ac yet); - split merged code into subparts: * bus glue (usb/*, pci/*, rtl*/usb/*, rtl*/pci/*) * common (if_rtwn*) * chip-specific (rtl*/*) - various other bugfixes. Due to code reorganization, module names / requirements were changed too: urtwn urtwnfw -> rtwn rtwn_usb rtwnfw rtwn rtwnfw -> rtwn rtwn_pci rtwnfw Tested with RTL8188CE, RTL8188CUS, RTL8188EU and RTL8821AU. Tested by: kevlo, garga, Peter Garshtja <peter.garshtja@ambient-md.com>, Kevin McAleavey <kevin.mcaleavey@knosproject.com>, Ilias-Dimitrios Vrachnis <id@vrachnis.com>, <otacilio.neto@bsd.com.br> Relnotes: yes
154 lines
4.5 KiB
C
154 lines
4.5 KiB
C
/*-
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* Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_wlan.h"
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#include <sys/param.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/mbuf.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/queue.h>
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#include <sys/taskqueue.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/linker.h>
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#include <net/if.h>
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#include <net/ethernet.h>
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#include <net/if_media.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_radiotap.h>
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#include <dev/rtwn/if_rtwnvar.h>
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#include <dev/rtwn/if_rtwn_ridx.h>
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#include <dev/rtwn/if_rtwn_rx.h>
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#include <dev/rtwn/rtl8812a/r12a_var.h>
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#include <dev/rtwn/rtl8821a/r21a.h>
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#include <dev/rtwn/rtl8821a/r21a_reg.h>
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static void
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r21a_bypass_ext_lna_2ghz(struct rtwn_softc *sc)
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{
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rtwn_bb_setbits(sc, R12A_RFE_INV(0), 0x00100000, 0);
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rtwn_bb_setbits(sc, R12A_RFE_INV(0), 0x00400000, 0);
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rtwn_bb_setbits(sc, R12A_RFE_PINMUX(0), 0, 0x07);
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rtwn_bb_setbits(sc, R12A_RFE_PINMUX(0), 0, 0x0700);
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}
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void
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r21a_set_band_2ghz(struct rtwn_softc *sc, uint32_t basicrates)
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{
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struct r12a_softc *rs = sc->sc_priv;
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/* Enable CCK / OFDM. */
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rtwn_bb_setbits(sc, R12A_OFDMCCK_EN,
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0, R12A_OFDMCCK_EN_CCK | R12A_OFDMCCK_EN_OFDM);
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/* Turn off RF PA and LNA. */
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rtwn_bb_setbits(sc, R12A_RFE_PINMUX(0),
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R12A_RFE_PINMUX_LNA_MASK, 0x7000);
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rtwn_bb_setbits(sc, R12A_RFE_PINMUX(0),
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R12A_RFE_PINMUX_PA_A_MASK, 0x70);
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if (rs->ext_lna_2g) {
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/* Turn on 2.4 GHz external LNA. */
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rtwn_bb_setbits(sc, R12A_RFE_INV(0), 0, 0x00100000);
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rtwn_bb_setbits(sc, R12A_RFE_INV(0), 0x00400000, 0);
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rtwn_bb_setbits(sc, R12A_RFE_PINMUX(0), 0x05, 0x02);
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rtwn_bb_setbits(sc, R12A_RFE_PINMUX(0), 0x0500, 0x0200);
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} else {
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/* Bypass 2.4 GHz external LNA. */
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r21a_bypass_ext_lna_2ghz(sc);
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}
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/* Select AGC table. */
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rtwn_bb_setbits(sc, R12A_TX_SCALE(0), 0x0f00, 0);
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rtwn_bb_setbits(sc, R12A_TX_PATH, 0xf0, 0x10);
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rtwn_bb_setbits(sc, R12A_CCK_RX_PATH, 0x0f000000, 0x01000000);
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/* Write basic rates. */
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rtwn_set_basicrates(sc, basicrates);
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rtwn_write_1(sc, R12A_CCK_CHECK, 0);
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}
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void
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r21a_set_band_5ghz(struct rtwn_softc *sc, uint32_t basicrates)
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{
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struct r12a_softc *rs = sc->sc_priv;
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int ntries;
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rtwn_bb_setbits(sc, R12A_RFE_PINMUX(0),
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R12A_RFE_PINMUX_LNA_MASK, 0x5000);
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rtwn_bb_setbits(sc, R12A_RFE_PINMUX(0),
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R12A_RFE_PINMUX_PA_A_MASK, 0x40);
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if (rs->ext_lna_2g) {
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/* Bypass 2.4 GHz external LNA. */
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r21a_bypass_ext_lna_2ghz(sc);
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}
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rtwn_write_1(sc, R12A_CCK_CHECK, R12A_CCK_CHECK_5GHZ);
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for (ntries = 0; ntries < 100; ntries++) {
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if ((rtwn_read_2(sc, R12A_TXPKT_EMPTY) & 0x30) == 0x30)
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break;
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rtwn_delay(sc, 25);
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}
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if (ntries == 100) {
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device_printf(sc->sc_dev,
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"%s: TXPKT_EMPTY check failed (%04X)\n",
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__func__, rtwn_read_2(sc, R12A_TXPKT_EMPTY));
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}
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/* Enable OFDM. */
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rtwn_bb_setbits(sc, R12A_OFDMCCK_EN, R12A_OFDMCCK_EN_CCK,
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R12A_OFDMCCK_EN_OFDM);
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/* Select AGC table. */
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rtwn_bb_setbits(sc, R12A_TX_SCALE(0), 0x0f00, 0x0100);
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rtwn_bb_setbits(sc, R12A_TX_PATH, 0xf0, 0);
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rtwn_bb_setbits(sc, R12A_CCK_RX_PATH, 0, 0x0f000000);
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/* Write basic rates. */
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rtwn_set_basicrates(sc, basicrates);
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}
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