All of lore.kernel.org
 help / color / mirror / Atom feed
From: Sujith Manoharan <sujith@msujith.org>
To: linux-wireless@vger.kernel.org
Cc: ath9k-devel@qca.qualcomm.com
Subject: [PATCH 5/6] ath9k: Set correct peak detect threshold
Date: Mon, 19 Jan 2015 07:43:17 +0530	[thread overview]
Message-ID: <1421633598-4488-6-git-send-email-sujith@msujith.org> (raw)
In-Reply-To: <1421633598-4488-1-git-send-email-sujith@msujith.org>

From: Sujith Manoharan <c_manoha@qca.qualcomm.com>

The value is different for PCOEM cards and AR955x/AR953x.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath9k/ar9003_calib.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 374aef1..91130c0 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -1203,7 +1203,12 @@ static void ar9003_hw_tx_iq_cal_reload(struct ath_hw *ah)
 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;
+	int agc_out, i, peak_detect_threshold;
+
+	if (AR_SREV_9550(ah) || AR_SREV_9531(ah))
+		peak_detect_threshold = 8;
+	else
+		peak_detect_threshold = 0;
 
 	/*
 	 * Turn off LNA/SW.
@@ -1244,13 +1249,15 @@ 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_AGC2G_CALDAC_OVR, 0x0);
 
-	if (AR_SREV_9003_PCOEM(ah)) {
+	if (AR_SREV_9003_PCOEM(ah) || AR_SREV_9550(ah) || AR_SREV_9531(ah)) {
 		if (is_2g)
 			REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain),
-				      AR_PHY_65NM_RXRF_AGC_AGC2G_DBDAC_OVR, 0x0);
+				      AR_PHY_65NM_RXRF_AGC_AGC2G_DBDAC_OVR,
+				      peak_detect_threshold);
 		else
 			REG_RMW_FIELD(ah, AR_PHY_65NM_RXRF_AGC(chain),
-				      AR_PHY_65NM_RXRF_AGC_AGC5G_DBDAC_OVR, 0x0);
+				      AR_PHY_65NM_RXRF_AGC_AGC5G_DBDAC_OVR,
+				      peak_detect_threshold);
 	}
 
 	for (i = 6; i > 0; i--) {
-- 
2.2.2


  parent reply	other threads:[~2015-01-19  2:10 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-19  2:13 [PATCH 0/6] ath9k patches Sujith Manoharan
2015-01-19  2:13 ` [PATCH 1/6] ath9k: Update QCA953x initvals Sujith Manoharan
2015-01-19  2:13 ` [PATCH 2/6] ath9k: Update AR955x initvals Sujith Manoharan
2015-01-19  2:13 ` [PATCH 3/6] ath9k: Add a macro to identify PCOEM chips Sujith Manoharan
2015-01-28 12:10   ` Sujith Manoharan
2015-01-28 12:15     ` Kalle Valo
2015-01-28 12:26       ` Sujith Manoharan
2015-01-28 12:59         ` Kalle Valo
2015-01-28 13:10           ` Sujith Manoharan
2015-01-19  2:13 ` [PATCH 4/6] ath9k: Fix manual peak calibration initialization Sujith Manoharan
2015-01-19  2:13 ` Sujith Manoharan [this message]
2015-01-19  2:13 ` [PATCH 6/6] ath9k: Enable manual peak detect calibration Sujith Manoharan

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1421633598-4488-6-git-send-email-sujith@msujith.org \
    --to=sujith@msujith.org \
    --cc=ath9k-devel@qca.qualcomm.com \
    --cc=linux-wireless@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.