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ath5k: Add support for antenna configuration

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Support setting the antenna configuration via cfg/mac80211. At the moment only
allow the simple pre-defined configurations we already have (fixed antenna A/B
or diversity), but more advanced settings are possible to implement.

Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Bruno Randolf 2010-11-10 12:51:01 +09:00 committed by John W. Linville
parent 15d9675321
commit 72a801103f
1 changed files with 32 additions and 0 deletions
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32
drivers/net/wireless/ath/ath5k/base.c
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@ -3413,6 +3413,36 @@ static int ath5k_conf_tx(struct ieee80211_hw *hw, u16 queue,
return ret; return ret;
} }
static int ath5k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
{
struct ath5k_softc *sc = hw->priv;
if (tx_ant == 1 && rx_ant == 1)
ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_A);
else if (tx_ant == 2 && rx_ant == 2)
ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_B);
else if ((tx_ant & 3) == 3 && (rx_ant & 3) == 3)
ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_DEFAULT);
else
return -EINVAL;
return 0;
}
static int ath5k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
{
struct ath5k_softc *sc = hw->priv;
switch (sc->ah->ah_ant_mode) {
case AR5K_ANTMODE_FIXED_A:
*tx_ant = 1; *rx_ant = 1; break;
case AR5K_ANTMODE_FIXED_B:
*tx_ant = 2; *rx_ant = 2; break;
case AR5K_ANTMODE_DEFAULT:
*tx_ant = 3; *rx_ant = 3; break;
}
return 0;
}
static const struct ieee80211_ops ath5k_hw_ops = { static const struct ieee80211_ops ath5k_hw_ops = {
.tx = ath5k_tx, .tx = ath5k_tx,
.start = ath5k_start, .start = ath5k_start,
@ -3433,6 +3463,8 @@ static const struct ieee80211_ops ath5k_hw_ops = {
.sw_scan_start = ath5k_sw_scan_start, .sw_scan_start = ath5k_sw_scan_start,
.sw_scan_complete = ath5k_sw_scan_complete, .sw_scan_complete = ath5k_sw_scan_complete,
.set_coverage_class = ath5k_set_coverage_class, .set_coverage_class = ath5k_set_coverage_class,
.set_antenna = ath5k_set_antenna,
.get_antenna = ath5k_get_antenna,
}; };
/********************\ /********************\