static uint16_t iwm_mvm_scan_rx_chain(struct iwm_softc *sc) { uint16_t rx_chain; uint8_t rx_ant; rx_ant = IWM_FW_VALID_RX_ANT(sc); rx_chain = rx_ant << IWM_PHY_RX_CHAIN_VALID_POS; rx_chain |= rx_ant << IWM_PHY_RX_CHAIN_FORCE_MIMO_SEL_POS; rx_chain |= rx_ant << IWM_PHY_RX_CHAIN_FORCE_SEL_POS; rx_chain |= 0x1 << IWM_PHY_RX_CHAIN_DRIVER_FORCE_POS; return htole16(rx_chain); }
/* * Add the phy configuration to the PHY context command */ static void iwm_mvm_phy_ctxt_cmd_data(struct iwm_softc *sc, struct iwm_phy_context_cmd *cmd, struct ieee80211_channel *chan, uint8_t chains_static, uint8_t chains_dynamic) { struct ieee80211com *ic = sc->sc_ic; uint8_t active_cnt, idle_cnt; IWM_DPRINTF(sc, IWM_DEBUG_RESET | IWM_DEBUG_CMD, "%s: 2ghz=%d, channel=%d, chains static=0x%x, dynamic=0x%x, " "rx_ant=0x%x, tx_ant=0x%x\n", __func__, !! IEEE80211_IS_CHAN_2GHZ(chan), ieee80211_chan2ieee(ic, chan), chains_static, chains_dynamic, IWM_FW_VALID_RX_ANT(sc), IWM_FW_VALID_TX_ANT(sc)); cmd->ci.band = IEEE80211_IS_CHAN_2GHZ(chan) ? IWM_PHY_BAND_24 : IWM_PHY_BAND_5; cmd->ci.channel = ieee80211_chan2ieee(ic, chan); cmd->ci.width = IWM_PHY_VHT_CHANNEL_MODE20; cmd->ci.ctrl_pos = IWM_PHY_VHT_CTRL_POS_1_BELOW; /* Set rx the chains */ idle_cnt = chains_static; active_cnt = chains_dynamic; cmd->rxchain_info = htole32(IWM_FW_VALID_RX_ANT(sc) << IWM_PHY_RX_CHAIN_VALID_POS); cmd->rxchain_info |= htole32(idle_cnt << IWM_PHY_RX_CHAIN_CNT_POS); cmd->rxchain_info |= htole32(active_cnt << IWM_PHY_RX_CHAIN_MIMO_CNT_POS); cmd->txchain_info = htole32(IWM_FW_VALID_TX_ANT(sc)); }