FreeBSD/Linux Kernel Cross Reference
sys/dev/rtwn/rtl8192e/r92e_fw.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/if_rtwn_debug.h>
    
    #include <dev/rtwn/rtl8188e/r88e.h>
    #include <dev/rtwn/rtl8188e/r88e_reg.h>
    
    #include <dev/rtwn/rtl8812a/r12a_fw_cmd.h>
    
    #include <dev/rtwn/rtl8192e/r92e.h>
    
    #ifndef RTWN_WITHOUT_UCODE
    void
    r92e_fw_reset(struct rtwn_softc *sc, int reason)
    {
            /* Reset MCU IO wrapper. */
            rtwn_setbits_1(sc, R92C_RSV_CTRL + 1, 0x01, 0);
    
            rtwn_setbits_1_shift(sc, R92C_SYS_FUNC_EN,
                R92C_SYS_FUNC_EN_CPUEN, 0, 1);
    
            /* Enable MCU IO wrapper. */
            rtwn_setbits_1(sc, R92C_RSV_CTRL + 1, 0, 0x01);
    
            rtwn_setbits_1_shift(sc, R92C_SYS_FUNC_EN,
                0, R92C_SYS_FUNC_EN_CPUEN, 1);
    }
    
    void
    r92e_set_media_status(struct rtwn_softc *sc, int macid)
    {
            struct r88e_fw_cmd_msrrpt status;
    
            if (macid & RTWN_MACID_VALID)
                    status.msrb0 = R88E_MSRRPT_B0_ASSOC;
            else
                    status.msrb0 = R88E_MSRRPT_B0_DISASSOC;
            status.macid = (macid & ~RTWN_MACID_VALID);
    
            if (r88e_fw_cmd(sc, R88E_CMD_MSR_RPT, &status, sizeof(status)) != 0) {
                    device_printf(sc->sc_dev, "%s: cannot change media status!\n",
                        __func__);
            }
    }
    
    int
   r92e_set_pwrmode(struct rtwn_softc *sc, struct ieee80211vap *vap, int off)
   {
           struct r12a_fw_cmd_pwrmode mode;
           int error;
   
           if (off && vap->iv_state == IEEE80211_S_RUN &&
               (vap->iv_flags & IEEE80211_F_PMGTON)) {
                   mode.mode = R88E_PWRMODE_LEG;
                   /*
                    * TODO: switch to RFOFF state
                    * (something is missing here - Rx stops with it).
                    */
   #ifdef RTWN_TODO
                   mode.pwr_state = R88E_PWRMODE_STATE_RFOFF;
   #else
                   mode.pwr_state = R88E_PWRMODE_STATE_RFON;
   #endif
           } else {
                   mode.mode = R88E_PWRMODE_CAM;
                   mode.pwr_state = R88E_PWRMODE_STATE_ALLON;
           }
           mode.pwrb1 =
               SM(R88E_PWRMODE_B1_SMART_PS, R88E_PWRMODE_B1_LEG_NULLDATA) |
               SM(R88E_PWRMODE_B1_RLBM, R88E_PWRMODE_B1_MODE_MIN);
           /* XXX ignored */
           mode.bcn_pass = 0;
           mode.queue_uapsd = 0;
           mode.pwrb5 = 0;
           error = r88e_fw_cmd(sc, R88E_CMD_SET_PWRMODE, &mode, sizeof(mode));
           if (error != 0) {
                   device_printf(sc->sc_dev,
                       "%s: CMD_SET_PWRMODE was not sent, error %d\n",
                       __func__, error);
           }
   
           return (error);
   }
   #endif

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