void ath_ar_enable(struct ath_softc *sc)
{
struct ath_dfs *dfs=sc->sc_dfs;
struct dfs_ar_state *ar;
HAL_CHANNEL *chan= &sc->sc_curchan;
HAL_PHYERR_PARAM pe;
u_int32_t rfilt=0;
if (dfs == NULL) {
DFS_DPRINTK(sc, ATH_DEBUG_DFS, "%s: sc_dfs is NULL\n",
__func__);
return;
}
ar = (struct dfs_ar_state *) &dfs->dfs_ar_state;
if (dfs->dfs_proc_phyerr & (DFS_RADAR_EN | DFS_AR_EN)) {
if ((chan->channel_flags & CHANNEL_108G) == CHANNEL_108G) {
/* We are in turbo G, so enable AR */
DFS_DPRINTK(sc, ATH_DEBUG_DFS, "%s: Enabling AR\n", __func__);
dfs_reset_ar(sc);
ar->ar_radarrssi = DFS_AR_RADAR_RSSI_THR;
rfilt = ath_hal_getrxfilter(sc->sc_ah);
pe.pe_firpwr = HAL_PHYERR_PARAM_NOVAL;
pe.pe_height = HAL_PHYERR_PARAM_NOVAL;
pe.pe_prssi = HAL_PHYERR_PARAM_NOVAL;
pe.pe_inband = HAL_PHYERR_PARAM_NOVAL;
pe.pe_relpwr = HAL_PHYERR_PARAM_NOVAL;
pe.pe_maxlen = HAL_PHYERR_PARAM_NOVAL;
pe.pe_relstep = HAL_PHYERR_PARAM_NOVAL;
pe.pe_usefir128 = 0;
pe.pe_blockradar = 0;
pe.pe_enmaxrssi = 0;
pe.pe_rrssi = ar->ar_radarrssi;
ath_hal_enabledfs(sc->sc_ah, &pe);
/* Enable strong signal fast antenna diversity since accurate
* 1-2us radar
* detection is not important for AR anyways.
*/
ath_hal_setcapability(sc->sc_ah, HAL_CAP_DIVERSITY,
HAL_CAP_STRONG_DIV, dfs->dfs_rinfo.rn_fastdivGCval, NULL);
rfilt |= HAL_RX_FILTER_PHYRADAR;
ath_hal_setrxfilter(sc->sc_ah, rfilt);
}
} else {
DFS_DPRINTK(sc, ATH_DEBUG_DFS, "%s: Disabling AR\n", __func__);
rfilt = ath_hal_getrxfilter(sc->sc_ah);
rfilt &= ~HAL_RX_FILTER_PHYRADAR;
ath_hal_setrxfilter(sc->sc_ah,rfilt);
/* Enable strong signal fast antenna diversity */
ath_hal_setcapability(sc->sc_ah, HAL_CAP_DIVERSITY,
HAL_CAP_STRONG_DIV, dfs->dfs_rinfo.rn_fastdivGCval, NULL);
}
}
void
ath_phyerr_disable(struct ath_softc *sc)
{
u_int32_t rfilt;
rfilt = ath_hal_getrxfilter(sc->sc_ah);
rfilt &= ~HAL_RX_FILTER_PHYERR;
ath_hal_setrxfilter(sc->sc_ah,rfilt);
ath_hal_disablePhyDiag(sc->sc_ah);
}
void ath_ar_disable(struct ath_softc *sc)
{
u_int32_t rfilt;
HAL_CHANNEL *chan=&sc->sc_curchan;
struct ath_dfs *dfs=sc->sc_dfs;
if (dfs == NULL) {
DFS_DPRINTK(sc, ATH_DEBUG_DFS, "%s: sc_dfs is NULL\n",
__func__);
return;
}
if ((chan->channel_flags & CHANNEL_108G) == CHANNEL_108G) {
/* Enable strong signal fast antenna diversity */
ath_hal_setcapability(sc->sc_ah, HAL_CAP_DIVERSITY,
HAL_CAP_STRONG_DIV, dfs->dfs_rinfo.rn_fastdivGCval, NULL);
rfilt = ath_hal_getrxfilter(sc->sc_ah);
rfilt &= ~HAL_RX_FILTER_PHYERR;
ath_hal_setrxfilter(sc->sc_ah, rfilt);
dfs_reset_ar(sc);
dfs_reset_arq(sc);
}
}
void
ath_phyerr_enable(struct ath_softc *sc, struct ieee80211_channel *chan)
{
u_int32_t rfilt;
struct ieee80211com *ic = &sc->sc_ic;
u_int32_t index;
struct ath_phyerr_state *pe;
enum ieee80211_phymode mode;
pe = (struct ath_phyerr_state *) sc->sc_phyerr_state;
mode = ieee80211_chan2mode(ic, chan);
if ((sc->sc_phyerr_cap & (ATH_RADAR_AR_EN | ATH_RADAR_EN)) &&
(ic->ic_opmode == IEEE80211_M_HOSTAP) &&
((mode == IEEE80211_MODE_11A) ||
(mode == IEEE80211_MODE_TURBO_A) ||
(mode == IEEE80211_MODE_TURBO_G))) {
if (mode == IEEE80211_MODE_TURBO_G) {
/* We are in turbo G, so enable AR*/
index = get_radar_chan_index(sc);
pe->pe_curRadar = &pe->pe_radarState[index];
ath_reset_ar(sc);
pe->pe_curRadar->rad_radarRssi = ATH_AR_RADAR_RSSI_THR;
ath_hal_setcapability(sc->sc_ah, HAL_CAP_PHYDIAG,
HAL_CAP_RADAR_RRSSI,
pe->pe_curRadar->rad_radarRssi, NULL);
} else {
ath_reset_radar(sc);
index = get_radar_chan_index(sc);
pe->pe_curRadar = &pe->pe_radarState[index];
pe->pe_curRadar->rad_firpwr = ATH_RADAR_FIRPWR;
ath_hal_setcapability(sc->sc_ah, HAL_CAP_PHYDIAG,
HAL_CAP_RADAR_FIRPWR,
(u_int32_t) pe->pe_curRadar->rad_firpwr, NULL);
/* XXX - need to Set firpwr */
pe->pe_curRadar->rad_radarRssi = ATH_RADAR_RRSSI;
ath_hal_setcapability(sc->sc_ah, HAL_CAP_PHYDIAG,
HAL_CAP_RADAR_RRSSI,
pe->pe_curRadar->rad_radarRssi, NULL);
pe->pe_curRadar->rad_height = ATH_RADAR_HEIGHT;
ath_hal_setcapability(sc->sc_ah, HAL_CAP_PHYDIAG,
HAL_CAP_RADAR_HEIGHT,
pe->pe_curRadar->rad_height, NULL);
pe->pe_curRadar->rad_pulseRssi = ATH_RADAR_PRSSI;
ath_hal_setcapability(sc->sc_ah, HAL_CAP_PHYDIAG,
HAL_CAP_RADAR_PRSSI,
pe->pe_curRadar->rad_pulseRssi, NULL);
pe->pe_curRadar->rad_inband = ATH_RADAR_INBAND;
ath_hal_setcapability(sc->sc_ah, HAL_CAP_PHYDIAG,
HAL_CAP_RADAR_INBAND,
pe->pe_curRadar->rad_inband, NULL);
}
rfilt = ath_hal_getrxfilter(sc->sc_ah);
rfilt |= HAL_RX_FILTER_PHYRADAR;
ath_hal_setrxfilter(sc->sc_ah,rfilt);
ath_hal_enablePhyDiag(sc->sc_ah);
} else {
rfilt = ath_hal_getrxfilter(sc->sc_ah);
rfilt &= ~HAL_RX_FILTER_PHYRADAR;
ath_hal_setrxfilter(sc->sc_ah,rfilt);
}
}
int dfs_radar_enable(struct ath_softc *sc)
{
struct ath_dfs *dfs=sc->sc_dfs;
u_int32_t rfilt;
HAL_CHANNEL *chan=&sc->sc_curchan;
struct ath_hal *ah = sc->sc_ah;
HAL_CHANNEL *ext_ch=ath_hal_get_extension_channel(ah);
if (dfs == NULL) {
DFS_DPRINTK(sc, ATH_DEBUG_DFS, "%s: sc_dfs is NULL\n",
__func__);
return -EIO;
}
rfilt = ath_hal_getrxfilter(ah);
if ((dfs->dfs_proc_phyerr & (DFS_RADAR_EN | DFS_AR_EN)) &&
(sc->sc_opmode == HAL_M_HOSTAP || sc->sc_opmode == HAL_M_IBSS)) {
if (chan->privFlags & CHANNEL_DFS) {
struct dfs_state *rs_pri=NULL, *rs_ext=NULL;
u_int8_t index_pri, index_ext;
HAL_PHYERR_PARAM pe;
dfs->sc_dfs_cac_time = ATH_DFS_WAIT_MS;
if (dfs->dfsdomain == DFS_ETSI_DOMAIN) {
if(IS_CHANNEL_WEATHER_RADAR(chan->channel)) {
dfs->sc_dfs_cac_time = ATH_DFS_WEATHER_CHANNEL_WAIT_MS;
} else {
if (ext_ch && IS_CHANNEL_WEATHER_RADAR(ext_ch->channel)) {
dfs->sc_dfs_cac_time = ATH_DFS_WEATHER_CHANNEL_WAIT_MS;
}
}
}
if(dfs->sc_dfs_cac_time != ATH_DFS_WAIT_MS)
printk("WARNING!!! 10 minute CAC period as channel is a weather radar channel\n");
/*
Disable radar detection in case we need to setup
* a new channel state and radars are somehow being
* reported. Avoids locking problem.
*/
rfilt = ath_hal_getrxfilter(ah);
rfilt &= ~HAL_RX_FILTER_PHYRADAR;
ath_hal_setrxfilter(ah, rfilt);
/* Enable strong signal fast antenna diversity */
ath_hal_setcapability(ah, HAL_CAP_DIVERSITY,
HAL_CAP_STRONG_DIV, dfs->dfs_rinfo.rn_fastdivGCval, NULL);
dfs_reset_alldelaylines(sc);
rs_pri = dfs_getchanstate(sc, &index_pri, 0);
if (ext_ch) {
rs_ext = dfs_getchanstate(sc, &index_ext, 1);
sc->sc_extchan = *ext_ch;
}
if (rs_pri != NULL && ((ext_ch==NULL)||(rs_ext != NULL))) {
if (index_pri != dfs->dfs_curchan_radindex)
dfs_reset_alldelaylines(sc);
dfs->dfs_curchan_radindex = (int16_t) index_pri;
if (rs_ext)
dfs->dfs_extchan_radindex = (int16_t) index_ext;
pe.pe_firpwr = rs_pri->rs_firpwr;
pe.pe_rrssi = rs_pri->rs_radarrssi;
pe.pe_height = rs_pri->rs_height;
pe.pe_prssi = rs_pri->rs_pulserssi;
pe.pe_inband = rs_pri->rs_inband;
/* 5413 specific */
pe.pe_relpwr = rs_pri->rs_relpwr;
pe.pe_relstep = rs_pri->rs_relstep;
pe.pe_maxlen = rs_pri->rs_maxlen;
/* Disable strong signal fast antenna diversity */
ath_hal_setcapability(ah, HAL_CAP_DIVERSITY,
HAL_CAP_STRONG_DIV, 1, NULL);
ath_hal_enabledfs(sc->sc_ah, &pe);
rfilt |= HAL_RX_FILTER_PHYRADAR;
ath_hal_setrxfilter(ah, rfilt);
DFS_DPRINTK(sc, ATH_DEBUG_DFS, "Enabled radar detection on channel %d\n",
chan->channel);
dfs->dur_multiplier = (ath_hal_is_fast_clock_enabled(sc->sc_ah) ? (DFS_FAST_CLOCK_MULTIPLIER) : (DFS_NO_FAST_CLOCK_MULTIPLIER));
DFS_DPRINTK(sc, ATH_DEBUG_DFS3,
"%s: duration multiplier is %d\n", __func__, dfs->dur_multiplier);
/*
* Fast antenna diversity for strong signals disturbs
* radar detection of 1-2us pusles. Enable fast diveristy
* but disable the strong signal aspect of it
*/
if (ath_hal_getcapability(ah, HAL_CAP_DIVERSITY, 1, NULL) == HAL_OK) {
ath_hal_setcapability(ah, HAL_CAP_DIVERSITY,
HAL_CAP_STRONG_DIV, 0, NULL);
}
} else
DFS_DPRINTK(sc, ATH_DEBUG_DFS, "%s: No more radar states left\n",
__func__);
} else {
if (!(chan->channelFlags & CHANNEL_2GHZ)) {
/* Enable strong signal fast antenna diversity */
ath_hal_setcapability(ah, HAL_CAP_DIVERSITY,
HAL_CAP_STRONG_DIV, dfs->dfs_rinfo.rn_fastdivGCval, NULL);
/* Disable Radar if not 2GHZ channel and not DFS */
rfilt &= ~HAL_RX_FILTER_PHYRADAR;
ath_hal_setrxfilter(ah, rfilt);
}
}
} else {
/* Enable strong signal fast antenna diversity */
ath_hal_setcapability(ah, HAL_CAP_DIVERSITY,
HAL_CAP_STRONG_DIV, dfs->dfs_rinfo.rn_fastdivGCval, NULL);
/* Disable Radar if RADAR or AR not enabled */
rfilt &= ~HAL_RX_FILTER_PHYRADAR;
ath_hal_setrxfilter(ah, rfilt);
}
return 0;
}
