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ath5k: Add tx power calibration support

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* Add tx power calibration support
* Add a few tx power limits
* Hardcode default power to 12.5dB
* Disable TPC for now

v2: Address Jiri's comments

Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Nick Kossifidis
2009-03-15 22:20:35 +02:00
committed by John W. Linville
parent 6d5eaafa55
commit 8f655dde24
7 changed files with 1177 additions and 94 deletions
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12
drivers/net/wireless/ath5k/base.c
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@@ -1209,6 +1209,9 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
pktlen = skb->len;
/* FIXME: If we are in g mode and rate is a CCK rate
* subtract ah->ah_txpower.txp_cck_ofdm_pwr_delta
* from tx power (value is in dB units already) */
if (info->control.hw_key) {
keyidx = info->control.hw_key->hw_key_idx;
pktlen += info->control.hw_key->icv_len;
@@ -2037,6 +2040,9 @@ ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
antenna = sc->bsent & 4 ? 2 : 1;
}
/* FIXME: If we are in g mode and rate is a CCK rate
* subtract ah->ah_txpower.txp_cck_ofdm_pwr_delta
* from tx power (value is in dB units already) */
ds->ds_data = bf->skbaddr;
ret = ah->ah_setup_tx_desc(ah, ds, skb->len,
ieee80211_get_hdrlen_from_skb(skb),
@@ -2601,12 +2607,6 @@ ath5k_reset(struct ath5k_softc *sc, bool stop, bool change_channel)
goto err;
}
/*
* This is needed only to setup initial state
* but it's best done after a reset.
*/
ath5k_hw_set_txpower_limit(sc->ah, 0);
ret = ath5k_rx_start(sc);
if (ret) {
ATH5K_ERR(sc, "can't start recv logic\n");