-void ath9k_spectral_scan_trigger(struct ieee80211_hw *hw)
-{
- struct ath_softc *sc = hw->priv;
- struct ath_hw *ah = sc->sc_ah;
- struct ath_common *common = ath9k_hw_common(ah);
- u32 rxfilter;
-
- if (config_enabled(CONFIG_ATH9K_TX99))
- return;
-
- if (!ath9k_hw_ops(ah)->spectral_scan_trigger) {
- ath_err(common, "spectrum analyzer not implemented on this hardware\n");
- return;
- }
-
- ath9k_ps_wakeup(sc);
- rxfilter = ath9k_hw_getrxfilter(ah);
- ath9k_hw_setrxfilter(ah, rxfilter |
- ATH9K_RX_FILTER_PHYRADAR |
- ATH9K_RX_FILTER_PHYERR);
-
- /* TODO: usually this should not be neccesary, but for some reason
- * (or in some mode?) the trigger must be called after the
- * configuration, otherwise the register will have its values reset
- * (on my ar9220 to value 0x01002310)
- */
- ath9k_spectral_scan_config(hw, sc->spectral_mode);
- ath9k_hw_ops(ah)->spectral_scan_trigger(ah);
- ath9k_ps_restore(sc);
-}
-
-int ath9k_spectral_scan_config(struct ieee80211_hw *hw,
- enum spectral_mode spectral_mode)
-{
- struct ath_softc *sc = hw->priv;
- struct ath_hw *ah = sc->sc_ah;
- struct ath_common *common = ath9k_hw_common(ah);
-
- if (!ath9k_hw_ops(ah)->spectral_scan_trigger) {
- ath_err(common, "spectrum analyzer not implemented on this hardware\n");
- return -1;
- }
-
- switch (spectral_mode) {
- case SPECTRAL_DISABLED:
- sc->spec_config.enabled = 0;
- break;
- case SPECTRAL_BACKGROUND:
- /* send endless samples.
- * TODO: is this really useful for "background"?
- */
- sc->spec_config.endless = 1;
- sc->spec_config.enabled = 1;
- break;
- case SPECTRAL_CHANSCAN:
- case SPECTRAL_MANUAL:
- sc->spec_config.endless = 0;
- sc->spec_config.enabled = 1;
- break;
- default:
- return -1;
- }
-
- ath9k_ps_wakeup(sc);
- ath9k_hw_ops(ah)->spectral_scan_config(ah, &sc->spec_config);
- ath9k_ps_restore(sc);
-
- sc->spectral_mode = spectral_mode;
-
- return 0;
-}
-