From: Sujith Manoharan <sujith@msujith.org>
To: John Linville <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Subject: [PATCH v2 5/8] ath9k: Add support for AR9565 v1.0.1 LNA diversity
Date: Mon, 2 Sep 2013 13:59:03 +0530 [thread overview]
Message-ID: <1378110546-22305-5-git-send-email-sujith@msujith.org> (raw)
In-Reply-To: <1378110546-22305-1-git-send-email-sujith@msujith.org>
From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
---
drivers/net/wireless/ath/ath9k/antenna.c | 36 +++++++----------------------
drivers/net/wireless/ath/ath9k/ar9002_phy.c | 1 +
drivers/net/wireless/ath/ath9k/ar9003_phy.c | 6 ++++-
drivers/net/wireless/ath/ath9k/ath9k.h | 1 -
drivers/net/wireless/ath/ath9k/hw.h | 1 +
5 files changed, 15 insertions(+), 30 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/antenna.c b/drivers/net/wireless/ath/ath9k/antenna.c
index dd1cc73..bd048cc 100644
--- a/drivers/net/wireless/ath/ath9k/antenna.c
+++ b/drivers/net/wireless/ath/ath9k/antenna.c
@@ -332,7 +332,7 @@ static void ath_select_ant_div_from_quick_scan(struct ath_ant_comb *antcomb,
}
if (antcomb->rssi_lna2 > antcomb->rssi_lna1 +
- ATH_ANT_DIV_COMB_LNA1_LNA2_SWITCH_DELTA)
+ div_ant_conf->lna1_lna2_switch_delta)
div_ant_conf->main_lna_conf = ATH_ANT_DIV_COMB_LNA2;
else
div_ant_conf->main_lna_conf = ATH_ANT_DIV_COMB_LNA1;
@@ -554,42 +554,22 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
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;
- }
+ ant_conf->fast_div_bias = 0x2;
break;
case 0x12: /* LNA2 LNA1 */
- ant_conf->fast_div_bias = 0x39;
+ ant_conf->fast_div_bias = 0x3f;
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;
- }
+ ant_conf->fast_div_bias = 0x2;
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;
- }
+ ant_conf->fast_div_bias = 0x3;
break;
case 0x21: /* LNA1 LNA2 */
- ant_conf->fast_div_bias = 0x6;
+ ant_conf->fast_div_bias = 0x3;
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;
- }
+ ant_conf->fast_div_bias = 0x3;
break;
case 0x30: /* A+B A-B */
ant_conf->fast_div_bias = 0x1;
@@ -638,7 +618,7 @@ static void ath_ant_try_scan(struct ath_ant_comb *antcomb,
antcomb->rssi_sub = alt_rssi_avg;
antcomb->scan = false;
if (antcomb->rssi_lna2 >
- (antcomb->rssi_lna1 + ATH_ANT_DIV_COMB_LNA1_LNA2_SWITCH_DELTA)) {
+ (antcomb->rssi_lna1 + conf->lna1_lna2_switch_delta)) {
/* use LNA2 as main LNA */
if ((antcomb->rssi_add > antcomb->rssi_lna1) &&
(antcomb->rssi_add > antcomb->rssi_sub)) {
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
index 1fc1fa9..7a5569b 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
@@ -532,6 +532,7 @@ static void ar9002_hw_antdiv_comb_conf_get(struct ath_hw *ah,
AR_PHY_9285_ANT_DIV_ALT_LNACONF_S;
antconf->fast_div_bias = (regval & AR_PHY_9285_FAST_DIV_BIAS) >>
AR_PHY_9285_FAST_DIV_BIAS_S;
+ antconf->lna1_lna2_switch_delta = -1;
antconf->lna1_lna2_delta = -3;
antconf->div_group = 0;
}
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index 9ca9b2c..b8a279e 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -1375,15 +1375,19 @@ static void ar9003_hw_antdiv_comb_conf_get(struct ath_hw *ah,
AR_PHY_ANT_FAST_DIV_BIAS_S;
if (AR_SREV_9330_11(ah)) {
+ antconf->lna1_lna2_switch_delta = -1;
antconf->lna1_lna2_delta = -9;
antconf->div_group = 1;
} else if (AR_SREV_9485(ah)) {
+ antconf->lna1_lna2_switch_delta = -1;
antconf->lna1_lna2_delta = -9;
antconf->div_group = 2;
} else if (AR_SREV_9565(ah)) {
- antconf->lna1_lna2_delta = -3;
+ antconf->lna1_lna2_switch_delta = 3;
+ antconf->lna1_lna2_delta = -9;
antconf->div_group = 3;
} else {
+ antconf->lna1_lna2_switch_delta = -1;
antconf->lna1_lna2_delta = -3;
antconf->div_group = 0;
}
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 2ee35f6..74a8770 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -581,7 +581,6 @@ static inline void ath_fill_led_pin(struct ath_softc *sc)
#define ATH_ANT_DIV_COMB_ALT_ANT_RATIO_LOW_RSSI 50
#define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2_LOW_RSSI 50
-#define ATH_ANT_DIV_COMB_LNA1_LNA2_SWITCH_DELTA -1
#define ATH_ANT_DIV_COMB_LNA1_DELTA_HI -4
#define ATH_ANT_DIV_COMB_LNA1_DELTA_MID -2
#define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW 2
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 69a907b..88f67c3 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -558,6 +558,7 @@ struct ath_hw_antcomb_conf {
u8 main_gaintb;
u8 alt_gaintb;
int lna1_lna2_delta;
+ int lna1_lna2_switch_delta;
u8 div_group;
};
--
1.8.4
next prev parent reply other threads:[~2013-09-02 8:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-02 8:26 [PATCH v2 0/8] ath9k patches Sujith Manoharan
2013-09-02 8:28 ` [PATCH v2 1/8] ath9k: Update initvals for AR9565 1.0 Sujith Manoharan
2013-09-02 8:29 ` [PATCH v2 2/8] ath9k: Bypass EEPROM for diversity cap for AR9565 Sujith Manoharan
2013-09-02 8:29 ` [PATCH v2 3/8] ath9k: Fix antenna diversity init " Sujith Manoharan
2013-09-02 8:29 ` [PATCH v2 4/8] ath9k: Use correct RX gain table " Sujith Manoharan
2013-09-02 8:29 ` Sujith Manoharan [this message]
2013-09-02 8:29 ` [PATCH v2 6/8] ath9k: Enable antenna diversity for WB335 Sujith Manoharan
2013-09-02 8:29 ` [PATCH v2 7/8] ath9k: Identify CUS252 cards Sujith Manoharan
2013-09-02 8:29 ` [PATCH v2 8/8] ath9k: Identify WB335 Antenna configuration Sujith Manoharan
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