FreeBSD/Linux Kernel Cross Reference
sys/dev/rtwn/rtl8812a/r12a_fw.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_rtwnreg.h>
    #include <dev/rtwn/if_rtwnvar.h>
    
    #include <dev/rtwn/if_rtwn_debug.h>
    
    #include <dev/rtwn/rtl8188e/r88e.h>
    
    #include <dev/rtwn/rtl8812a/r12a.h>
    #include <dev/rtwn/rtl8812a/r12a_reg.h>
    #include <dev/rtwn/rtl8812a/r12a_var.h>
    #include <dev/rtwn/rtl8812a/r12a_fw_cmd.h>
    
    #ifndef RTWN_WITHOUT_UCODE
    void
    r12a_fw_reset(struct rtwn_softc *sc, int reason)
    {
            /* Reset MCU IO wrapper. */
            rtwn_setbits_1(sc, R92C_RSV_CTRL, R92C_RSV_CTRL_WLOCK_00, 0);
            rtwn_setbits_1(sc, R92C_RSV_CTRL + 1, 0x08, 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, R92C_RSV_CTRL_WLOCK_00, 0);
            rtwn_setbits_1(sc, R92C_RSV_CTRL + 1, 0, 0x08);
    
            rtwn_setbits_1_shift(sc, R92C_SYS_FUNC_EN,
                0, R92C_SYS_FUNC_EN_CPUEN, 1);
    }
    
    void
    r12a_fw_download_enable(struct rtwn_softc *sc, int enable)
    {
            if (enable) {
                    /* MCU firmware download enable. */
                    rtwn_setbits_1(sc, R92C_MCUFWDL, 0, R92C_MCUFWDL_EN);
                    /* 8051 reset. */
                    rtwn_setbits_1_shift(sc, R92C_MCUFWDL, R92C_MCUFWDL_ROM_DLEN,
                        0, 2);
            } else {
                    /* MCU download disable. */
                    rtwn_setbits_1(sc, R92C_MCUFWDL, R92C_MCUFWDL_EN, 0);
            }
    }
    
    void
   r12a_set_media_status(struct rtwn_softc *sc, int macid)
   {
           struct r12a_fw_cmd_msrrpt status;
           int error;
   
           if (macid & RTWN_MACID_VALID)
                   status.msrb0 = R12A_MSRRPT_B0_ASSOC;
           else
                   status.msrb0 = R12A_MSRRPT_B0_DISASSOC;
   
           status.macid = (macid & ~RTWN_MACID_VALID);
           status.macid_end = 0;
   
           error = r88e_fw_cmd(sc, R12A_CMD_MSR_RPT, &status, sizeof(status));
           if (error != 0)
                   device_printf(sc->sc_dev, "cannot change media status!\n");
   }
   
   int
   r12a_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 = R12A_PWRMODE_B5_NO_BTCOEX;
           error = r88e_fw_cmd(sc, R12A_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);
   }
   
   void
   r12a_iq_calib_fw(struct rtwn_softc *sc)
   {
           struct r12a_softc *rs = sc->sc_priv;
           struct ieee80211_channel *c = sc->sc_ic.ic_curchan;
           struct r12a_fw_cmd_iq_calib cmd;
   
           if (rs->rs_flags & R12A_IQK_RUNNING)
                   return;
   
           RTWN_DPRINTF(sc, RTWN_DEBUG_CALIB, "Starting IQ calibration (FW)\n");
   
           cmd.chan = rtwn_chan2centieee(c);
           if (IEEE80211_IS_CHAN_5GHZ(c))
                   cmd.band_bw = RTWN_CMD_IQ_BAND_5GHZ;
           else
                   cmd.band_bw = RTWN_CMD_IQ_BAND_2GHZ;
   
           /* TODO: 80/160 MHz. */
           if (IEEE80211_IS_CHAN_HT40(c))
                   cmd.band_bw |= RTWN_CMD_IQ_CHAN_WIDTH_40;
           else
                   cmd.band_bw |= RTWN_CMD_IQ_CHAN_WIDTH_20;
   
           cmd.ext_5g_pa_lna = RTWN_CMD_IQ_EXT_PA_5G(rs->ext_pa_5g);
           cmd.ext_5g_pa_lna |= RTWN_CMD_IQ_EXT_LNA_5G(rs->ext_lna_5g);
   
           if (r88e_fw_cmd(sc, R12A_CMD_IQ_CALIBRATE, &cmd, sizeof(cmd)) != 0) {
                   RTWN_DPRINTF(sc, RTWN_DEBUG_CALIB,
                       "error while sending IQ calibration command to FW!\n");
                   return;
           }
   
           rs->rs_flags |= R12A_IQK_RUNNING;
   }
   #endif

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