From: Sujith Manoharan <sujith@msujith.org>
To: linux-wireless@vger.kernel.org
Subject: [PATCH v2 4/6] ath9k: Fix manual peak calibration initialization
Date: Wed, 28 Jan 2015 17:54:24 +0530 [thread overview]
Message-ID: <1422447866-19967-5-git-send-email-sujith@msujith.org> (raw)
In-Reply-To: <1422447866-19967-1-git-send-email-sujith@msujith.org>
From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
The LNA gain setting override needs to be done
only for AR9330 and PCOEM chips.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
---
drivers/net/wireless/ath/ath9k/ar9003_calib.c | 38 +++++++++++++++++++++------
1 file changed, 30 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 06ab71d..374aef1 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -1205,22 +1205,34 @@ static void ar9003_hw_manual_peak_cal(struct ath_hw *ah, u8 chain, bool is_2g)
int offset[8] = {0}, total = 0, test;
int agc_out, i;
+ /*
+ * Turn off LNA/SW.
+ */
REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_GAINSTAGES(chain),
AR_PHY_65NM_RXRF_GAINSTAGES_RX_OVERRIDE, 0x1);
REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_GAINSTAGES(chain),
AR_PHY_65NM_RXRF_GAINSTAGES_LNAON_CALDC, 0x0);
- if (is_2g)
- REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_GAINSTAGES(chain),
- AR_PHY_65NM_RXRF_GAINSTAGES_LNA2G_GAIN_OVR, 0x0);
- else
- REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_GAINSTAGES(chain),
- AR_PHY_65NM_RXRF_GAINSTAGES_LNA5G_GAIN_OVR, 0x0);
+ if (AR_SREV_9003_PCOEM(ah) || AR_SREV_9330_11(ah)) {
+ if (is_2g)
+ REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_GAINSTAGES(chain),
+ AR_PHY_65NM_RXRF_GAINSTAGES_LNA2G_GAIN_OVR, 0x0);
+ else
+ REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_GAINSTAGES(chain),
+ AR_PHY_65NM_RXRF_GAINSTAGES_LNA5G_GAIN_OVR, 0x0);
+ }
+
+ /*
+ * Turn off RXON.
+ */
REG_RMW_FIELD(ah, AR_PHY_65NM_RXTX2(chain),
AR_PHY_65NM_RXTX2_RXON_OVR, 0x1);
REG_RMW_FIELD(ah, AR_PHY_65NM_RXTX2(chain),
AR_PHY_65NM_RXTX2_RXON, 0x0);
+ /*
+ * Turn on AGC for cal.
+ */
REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain),
AR_PHY_65NM_RXRF_AGC_AGC_OVERRIDE, 0x1);
REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain),
@@ -1228,10 +1240,11 @@ static void ar9003_hw_manual_peak_cal(struct ath_hw *ah, u8 chain, bool is_2g)
REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain),
AR_PHY_65NM_RXRF_AGC_AGC_CAL_OVR, 0x1);
- if (AR_SREV_9330_11(ah)) {
+ if (AR_SREV_9330_11(ah))
REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain),
AR_PHY_65NM_RXRF_AGC_AGC2G_CALDAC_OVR, 0x0);
- } else {
+
+ if (AR_SREV_9003_PCOEM(ah)) {
if (is_2g)
REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain),
AR_PHY_65NM_RXRF_AGC_AGC2G_DBDAC_OVR, 0x0);
@@ -1266,10 +1279,19 @@ static void ar9003_hw_manual_peak_cal(struct ath_hw *ah, u8 chain, bool is_2g)
REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain),
AR_PHY_65NM_RXRF_AGC_AGC5G_CALDAC_OVR, total);
+ /*
+ * Turn on LNA.
+ */
REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_GAINSTAGES(chain),
AR_PHY_65NM_RXRF_GAINSTAGES_RX_OVERRIDE, 0);
+ /*
+ * Turn off RXON.
+ */
REG_RMW_FIELD(ah, AR_PHY_65NM_RXTX2(chain),
AR_PHY_65NM_RXTX2_RXON_OVR, 0);
+ /*
+ * Turn off peak detect calibration.
+ */
REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain),
AR_PHY_65NM_RXRF_AGC_AGC_CAL_OVR, 0);
}
--
2.2.2
next prev parent reply other threads:[~2015-01-29 1:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-28 12:24 [PATCH v2 0/6] ath9k patches Sujith Manoharan
2015-01-28 12:24 ` [PATCH v2 1/6] ath9k: Update QCA953x initvals Sujith Manoharan
2015-01-28 12:24 ` [PATCH v2 2/6] ath9k: Update AR955x initvals Sujith Manoharan
2015-01-28 12:24 ` [PATCH v2 3/6] ath9k: Add a macro to identify PCOEM chips Sujith Manoharan
2015-01-28 12:24 ` Sujith Manoharan [this message]
2015-01-28 12:24 ` [PATCH v2 5/6] ath9k: Set correct peak detect threshold Sujith Manoharan
2015-01-28 12:24 ` [PATCH v2 6/6] ath9k: Enable manual peak detect calibration Sujith Manoharan
2015-01-29 8:37 ` [PATCH v2 0/6] ath9k patches Kalle Valo
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