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ath9k_hw: Add antenna diversity group for AR9565

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Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2012-09-16 08:06:08 +05:30 committed by John W. Linville
parent 9b460d77e7
commit 5317c9c3e9
2 changed files with 65 additions and 0 deletions
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62
drivers/net/wireless/ath/ath9k/antenna.c
View File

@ -475,6 +475,68 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
default:
break;
}
} else if (ant_conf->div_group == 3) {
switch ((ant_conf->main_lna_conf << 4) |
ant_conf->alt_lna_conf) {
case 0x01: /* A-B LNA2 */
ant_conf->fast_div_bias = 0x1;
break;
case 0x02: /* A-B LNA1 */
ant_conf->fast_div_bias = 0x39;
break;
case 0x03: /* A-B A+B */
ant_conf->fast_div_bias = 0x1;
break;
case 0x10: /* LNA2 A-B */
if ((antcomb->scan == 0) &&
(alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) {
ant_conf->fast_div_bias = 0x3f;
} else {
ant_conf->fast_div_bias = 0x1;
}
break;
case 0x12: /* LNA2 LNA1 */
ant_conf->fast_div_bias = 0x39;
break;
case 0x13: /* LNA2 A+B */
if ((antcomb->scan == 0) &&
(alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) {
ant_conf->fast_div_bias = 0x3f;
} else {
ant_conf->fast_div_bias = 0x1;
}
break;
case 0x20: /* LNA1 A-B */
if ((antcomb->scan == 0) &&
(alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) {
ant_conf->fast_div_bias = 0x3f;
} else {
ant_conf->fast_div_bias = 0x4;
}
break;
case 0x21: /* LNA1 LNA2 */
ant_conf->fast_div_bias = 0x6;
break;
case 0x23: /* LNA1 A+B */
if ((antcomb->scan == 0) &&
(alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) {
ant_conf->fast_div_bias = 0x3f;
} else {
ant_conf->fast_div_bias = 0x6;
}
break;
case 0x30: /* A+B A-B */
ant_conf->fast_div_bias = 0x1;
break;
case 0x31: /* A+B LNA2 */
ant_conf->fast_div_bias = 0x6;
break;
case 0x32: /* A+B LNA1 */
ant_conf->fast_div_bias = 0x1;
break;
default:
break;
}
}
}

3
drivers/net/wireless/ath/ath9k/ar9003_phy.c
View File

@ -1291,6 +1291,9 @@ static void ar9003_hw_antdiv_comb_conf_get(struct ath_hw *ah,
} else if (AR_SREV_9485(ah)) {
antconf->lna1_lna2_delta = -9;
antconf->div_group = 2;
} else if (AR_SREV_9565(ah)) {
antconf->lna1_lna2_delta = -3;
antconf->div_group = 3;
} else {
antconf->lna1_lna2_delta = -3;
antconf->div_group = 0;