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Commit 5317c9c3 authored by Sujith Manoharan's avatar Sujith Manoharan Committed by John W. Linville
Browse files

ath9k_hw: Add antenna diversity group for AR9565 



Signed-off-by: default avatarSujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 9b460d77

drivers/net/wireless/ath/ath9k/antenna.c

+62 −0
Original line number Diff line number Diff line
@@ -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;

		}

	}

}

drivers/net/wireless/ath/ath9k/ar9003_phy.c

+3 −0
Original line number Diff line number Diff line
@@ -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;