diff options
Diffstat (limited to 'freebsd/sys/dev/rtwn/rtl8812a/usb/r12au_init.c')
| -rw-r--r-- | freebsd/sys/dev/rtwn/rtl8812a/usb/r12au_init.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/freebsd/sys/dev/rtwn/rtl8812a/usb/r12au_init.c b/freebsd/sys/dev/rtwn/rtl8812a/usb/r12au_init.c new file mode 100644 index 00000000..f55ecb81 --- /dev/null +++ b/freebsd/sys/dev/rtwn/rtl8812a/usb/r12au_init.c @@ -0,0 +1,189 @@ +#include <machine/rtems-bsd-kernel-space.h> + +/*- + * 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 <rtems/bsd/local/opt_wlan.h> + +#include <rtems/bsd/sys/param.h> +#include <rtems/bsd/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_rtwnreg.h> +#include <dev/rtwn/if_rtwnvar.h> + +#include <dev/rtwn/rtl8812a/r12a_var.h> + +#include <dev/rtwn/rtl8812a/usb/r12au.h> +#include <dev/rtwn/rtl8812a/usb/r12au_reg.h> + + +void +r12au_init_rx_agg(struct rtwn_softc *sc) +{ + struct r12a_softc *rs = sc->sc_priv; + + /* Rx aggregation (USB). */ + rtwn_write_2(sc, R92C_RXDMA_AGG_PG_TH, + rs->ac_usb_dma_size | (rs->ac_usb_dma_time << 8)); + rtwn_setbits_1(sc, R92C_TRXDMA_CTRL, 0, + R92C_TRXDMA_CTRL_RXDMA_AGG_EN); +} + +void +r12au_init_burstlen(struct rtwn_softc *sc) +{ + if (rtwn_read_1(sc, R92C_TYPE_ID + 3) & 0x80) { + if ((rtwn_read_1(sc, R92C_USB_INFO) & 0x30) == 0) { + /* Set burst packet length to 512 B. */ + rtwn_setbits_1(sc, R12A_RXDMA_PRO, 0x20, 0x1e); + } else { + /* Set burst packet length to 64 B. */ + rtwn_setbits_1(sc, R12A_RXDMA_PRO, 0x10, 0x2e); + } + } else { /* USB 3.0 */ + /* Set burst packet length to 1 KB. */ + rtwn_setbits_1(sc, R12A_RXDMA_PRO, 0x30, 0x0e); + + rtwn_setbits_1(sc, 0xf008, 0x18, 0); + } +} + +static void +r12au_arfb_init(struct rtwn_softc *sc) +{ + /* ARFB table 9 for 11ac 5G 2SS. */ + rtwn_write_4(sc, R12A_ARFR_5G(0), 0x00000010); + rtwn_write_4(sc, R12A_ARFR_5G(0) + 4, 0xfffff000); + + /* ARFB table 10 for 11ac 5G 1SS. */ + rtwn_write_4(sc, R12A_ARFR_5G(1), 0x00000010); + rtwn_write_4(sc, R12A_ARFR_5G(1) + 4, 0x003ff000); + + /* ARFB table 11 for 11ac 2G 1SS. */ + rtwn_write_4(sc, R12A_ARFR_2G(0), 0x00000015); + rtwn_write_4(sc, R12A_ARFR_2G(0) + 4, 0x003ff000); + + /* ARFB table 12 for 11ac 2G 2SS. */ + rtwn_write_4(sc, R12A_ARFR_2G(1), 0x00000015); + rtwn_write_4(sc, R12A_ARFR_2G(1) + 4, 0xffcff000); +} + +void +r12au_init_ampdu_fwhw(struct rtwn_softc *sc) +{ + rtwn_setbits_1(sc, R92C_FWHW_TXQ_CTRL, + R92C_FWHW_TXQ_CTRL_AMPDU_RTY_NEW, 0); +} + +void +r12au_init_ampdu(struct rtwn_softc *sc) +{ + struct r12a_softc *rs = sc->sc_priv; + + /* Rx interval (USB3). */ + rtwn_write_1(sc, 0xf050, 0x01); + + /* burst length = 4 */ + rtwn_write_2(sc, R92C_RXDMA_STATUS, 0x7400); + + rtwn_write_1(sc, R92C_RXDMA_STATUS + 1, 0xf5); + + /* Setup AMPDU aggregation. */ + rtwn_write_1(sc, R12A_AMPDU_MAX_TIME, rs->ampdu_max_time); + rtwn_write_4(sc, R12A_AMPDU_MAX_LENGTH, 0xffffffff); + + /* 80 MHz clock (again?) */ + rtwn_write_1(sc, R92C_USTIME_TSF, 0x50); + rtwn_write_1(sc, R92C_USTIME_EDCA, 0x50); + + rtwn_r12a_init_burstlen(sc); + + /* Enable single packet AMPDU. */ + rtwn_setbits_1(sc, R12A_HT_SINGLE_AMPDU, 0, + R12A_HT_SINGLE_AMPDU_PKT_ENA); + + /* 11K packet length for VHT. */ + rtwn_write_1(sc, R92C_RX_PKT_LIMIT, 0x18); + + rtwn_write_1(sc, R92C_PIFS, 0); + + rtwn_write_2(sc, R92C_MAX_AGGR_NUM, 0x1f1f); + + rtwn_r12a_init_ampdu_fwhw(sc); + + /* Do not reset MAC. */ + rtwn_setbits_1(sc, R92C_RSV_CTRL, 0, 0x60); + + r12au_arfb_init(sc); +} + +void +r12au_post_init(struct rtwn_softc *sc) +{ + + /* Setup RTS BW (equal to data BW). */ + rtwn_setbits_1(sc, R92C_QUEUE_CTRL, 0x08, 0); + + rtwn_write_1(sc, R12A_EARLY_MODE_CONTROL + 3, 0x01); + + /* Reset USB mode switch setting. */ + rtwn_write_1(sc, R12A_SDIO_CTRL, 0); + rtwn_write_1(sc, R92C_ACLK_MON, 0); + + rtwn_write_1(sc, R92C_USB_HRPWM, 0); + +#ifndef RTWN_WITHOUT_UCODE + if (sc->sc_flags & RTWN_FW_LOADED) { + if (sc->sc_ratectl_sysctl == RTWN_RATECTL_FW) { + /* TODO: implement */ + sc->sc_ratectl = RTWN_RATECTL_NET80211; + } else + sc->sc_ratectl = sc->sc_ratectl_sysctl; + } else +#endif + sc->sc_ratectl = RTWN_RATECTL_NONE; +} |