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b8c53881db
This patch contains some performance and stability improvements for MT7620: 1. Always calibrate MT7620 when switching channel. 2. Rework link tuner for MT7620. 3. Correct MT7620 SDM mode register value. 4. Fix register operation on RXIQ calibration. 5. Fix TX_PIN_CFG and TX_ALC_VGA3 init values. Signed-off-by: Shiji Yang <yangshiji66@qq.com> Link: https://github.com/openwrt/openwrt/pull/16845 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> (cherry picked from commit 5d583901657bdfbbf9fad77d9247872427aa5c99)
78 lines
2.6 KiB
Diff
78 lines
2.6 KiB
Diff
From 2c5aad0f9990724cce48e0a53b66bc0438e4603d Mon Sep 17 00:00:00 2001
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From: Shiji Yang <yangshiji66@outlook.com>
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Date: Sun, 22 Dec 2024 17:06:59 +0800
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Subject: [PATCH 1/4] rt2x00: always calibrate MT7620 when switching channel
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Perform calibration work after each channel switching operation.
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This should help improve the rx/tx signal strength for MT7620.
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Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
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---
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.../net/wireless/ralink/rt2x00/rt2800lib.c | 24 ++++++++++++++-----
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1 file changed, 18 insertions(+), 6 deletions(-)
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--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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@@ -5704,6 +5704,9 @@ static void rt2800_config_ps(struct rt2x
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}
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}
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+static void rt2800_calibration_rt6352_stage1(struct rt2x00_dev *rt2x00dev);
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+static void rt2800_calibration_rt6352_stage2(struct rt2x00_dev *rt2x00dev);
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+
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void rt2800_config(struct rt2x00_dev *rt2x00dev,
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struct rt2x00lib_conf *libconf,
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const unsigned int flags)
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@@ -5718,10 +5721,18 @@ void rt2800_config(struct rt2x00_dev *rt
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*/
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rt2800_update_survey(rt2x00dev);
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+ if (rt2x00_rt(rt2x00dev, RT6352) &&
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+ !test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags))
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+ rt2800_calibration_rt6352_stage1(rt2x00dev);
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+
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rt2800_config_channel(rt2x00dev, libconf->conf,
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&libconf->rf, &libconf->channel);
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rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan,
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libconf->conf->power_level);
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+
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+ if (rt2x00_rt(rt2x00dev, RT6352) &&
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+ !test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags))
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+ rt2800_calibration_rt6352_stage2(rt2x00dev);
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}
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if (flags & IEEE80211_CONF_CHANGE_POWER)
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rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan,
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@@ -10427,15 +10438,19 @@ static void rt2800_restore_rf_bbp_rt6352
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}
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}
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-static void rt2800_calibration_rt6352(struct rt2x00_dev *rt2x00dev)
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+static void rt2800_calibration_rt6352_stage1(struct rt2x00_dev *rt2x00dev)
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{
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- u32 reg;
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-
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if (rt2x00_has_cap_external_pa(rt2x00dev) ||
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rt2x00_has_cap_external_lna_bg(rt2x00dev))
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rt2800_restore_rf_bbp_rt6352(rt2x00dev);
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rt2800_r_calibration(rt2x00dev);
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+}
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+
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+static void rt2800_calibration_rt6352_stage2(struct rt2x00_dev *rt2x00dev)
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+{
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+ u32 reg;
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+
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rt2800_rf_self_txdc_cal(rt2x00dev);
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rt2800_rxdcoc_calibration(rt2x00dev);
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rt2800_bw_filter_calibration(rt2x00dev, true);
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@@ -10766,9 +10781,6 @@ static void rt2800_init_rfcsr_6352(struc
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rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00);
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rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x7C);
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-
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- /* Do calibration and init PA/LNA */
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- rt2800_calibration_rt6352(rt2x00dev);
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}
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static void rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
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