FreeBSD/Linux Kernel Cross Reference
sys/dev/rtwn/rtl8192e/usb/r92eu_init.c

     /*-
      * Copyright (c) 2017 Kevin Lo <kevlo@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_rtwnreg.h>
    #include <dev/rtwn/if_rtwnvar.h>
    
    #include <dev/rtwn/rtl8192e/r92e_var.h>
    
    #include <dev/rtwn/rtl8192e/usb/r92eu.h>
    #include <dev/rtwn/rtl8192e/usb/r92eu_reg.h>
    
    void
    r92eu_init_rx_agg(struct rtwn_softc *sc)
    {
            struct r92e_softc *rs = sc->sc_priv;
    
            /* Rx aggregation (USB). */
            rtwn_setbits_1(sc, R12A_RXDMA_PRO, 0x20, 0x1e);
            rtwn_write_4(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
    r92eu_post_init(struct rtwn_softc *sc)
    {
    
            /* Setup RTS BW (equal to data BW). */
            rtwn_setbits_1(sc, R92C_QUEUE_CTRL, 0x08, 0);
    
            /* Reset USB mode switch setting. */
            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;
    }

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