immortalwrt/package/kernel/mac80211/patches/rt2x00/622-02-rt2x00-fix-BBP-register-init-values-for-RT5592.patch
Shiji Yang 59557ca19a mac80211: rt2x00: some improvements for rt5592
This patch contains some performance and stability improvements
for RT5592:

1. Fix RFCSR register init values for RT5592.
2. Fix BBP register init values for RT5592.

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>
2025-01-04 22:06:36 +01:00

120 lines
4.7 KiB
Diff

From 1847d817df5585f9d957d16ed2a56ceb41cf6df7 Mon Sep 17 00:00:00 2001
From: Shiji Yang <yangshiji66@outlook.com>
Date: Sun, 22 Dec 2024 17:06:59 +0800
Subject: [PATCH 2/2] rt2x00: fix BBP register init values for RT5592
Based on Raink proprietary driver 2.7.1.5, correct the initial
values of some BBP registers for RT5592.
Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
---
.../net/wireless/ralink/rt2x00/rt2800lib.c | 32 +++++++++----------
1 file changed, 15 insertions(+), 17 deletions(-)
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -3746,6 +3746,7 @@ static void rt2800_config_channel_rf55xx
rt2800_bbp_write(rt2x00dev, 80, (rf->channel <= 14) ? 0x0E : 0x08);
rt2800_bbp_write(rt2x00dev, 81, (rf->channel <= 14) ? 0x3A : 0x38);
rt2800_bbp_write(rt2x00dev, 82, (rf->channel <= 14) ? 0x62 : 0x92);
+ rt2800_bbp_write(rt2x00dev, 95, (rf->channel <= 14) ? 0x9A : 0x1A);
/* GLRT band configuration */
rt2800_bbp_write(rt2x00dev, 195, 128);
@@ -3758,7 +3759,7 @@ static void rt2800_config_channel_rf55xx
rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x32 : 0x20);
rt2800_bbp_write(rt2x00dev, 195, 133);
rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x28 : 0x7F);
- rt2800_bbp_write(rt2x00dev, 195, 124);
+ rt2800_bbp_write(rt2x00dev, 195, 134);
rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x19 : 0x7F);
}
@@ -4304,7 +4305,8 @@ static void rt2800_config_channel(struct
rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
- if (rt2x00_rt(rt2x00dev, RT6352))
+ if (rt2x00_rt(rt2x00dev, RT5592) ||
+ rt2x00_rt(rt2x00dev, RT6352))
rt2800_bbp_write(rt2x00dev, 86, 0x38);
else
rt2800_bbp_write(rt2x00dev, 86, 0);
@@ -4313,6 +4315,7 @@ static void rt2800_config_channel(struct
if (rf->channel <= 14) {
if (!rt2x00_rt(rt2x00dev, RT5390) &&
!rt2x00_rt(rt2x00dev, RT5392) &&
+ !rt2x00_rt(rt2x00dev, RT5592) &&
!rt2x00_rt(rt2x00dev, RT6352)) {
if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
rt2800_bbp_write(rt2x00dev, 82, 0x62);
@@ -4336,17 +4339,20 @@ static void rt2800_config_channel(struct
else if (rt2x00_rt(rt2x00dev, RT3593) ||
rt2x00_rt(rt2x00dev, RT3883))
rt2800_bbp_write(rt2x00dev, 82, 0x82);
- else if (!rt2x00_rt(rt2x00dev, RT6352))
+ else if (!rt2x00_rt(rt2x00dev, RT5592) &&
+ !rt2x00_rt(rt2x00dev, RT6352))
rt2800_bbp_write(rt2x00dev, 82, 0xf2);
if (rt2x00_rt(rt2x00dev, RT3593) ||
rt2x00_rt(rt2x00dev, RT3883))
rt2800_bbp_write(rt2x00dev, 83, 0x9a);
- if (rt2x00_has_cap_external_lna_a(rt2x00dev))
- rt2800_bbp_write(rt2x00dev, 75, 0x46);
- else
- rt2800_bbp_write(rt2x00dev, 75, 0x50);
+ if (!rt2x00_rt(rt2x00dev, RT5592)) {
+ if (rt2x00_has_cap_external_lna_a(rt2x00dev))
+ rt2800_bbp_write(rt2x00dev, 75, 0x46);
+ else
+ rt2800_bbp_write(rt2x00dev, 75, 0x50);
+ }
}
reg = rt2800_register_read(rt2x00dev, TX_BAND_CFG);
@@ -5783,12 +5789,10 @@ static inline void rt2800_set_vgc(struct
if (rt2x00_rt(rt2x00dev, RT3572) ||
rt2x00_rt(rt2x00dev, RT3593) ||
rt2x00_rt(rt2x00dev, RT3883) ||
+ rt2x00_rt(rt2x00dev, RT5592) ||
rt2x00_rt(rt2x00dev, RT6352)) {
rt2800_bbp_write_with_rx_chain(rt2x00dev, 66,
vgc_level);
- } else if (rt2x00_rt(rt2x00dev, RT5592)) {
- rt2800_bbp_write(rt2x00dev, 83, qual->rssi > -65 ? 0x4a : 0x7a);
- rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, vgc_level);
} else {
rt2800_bbp_write(rt2x00dev, 66, vgc_level);
}
@@ -7016,7 +7020,6 @@ static void rt2800_init_bbp_5592(struct
rt2800_bbp_write(rt2x00dev, 88, 0x90);
rt2800_bbp_write(rt2x00dev, 91, 0x04);
rt2800_bbp_write(rt2x00dev, 92, 0x02);
- rt2800_bbp_write(rt2x00dev, 95, 0x9a);
rt2800_bbp_write(rt2x00dev, 98, 0x12);
rt2800_bbp_write(rt2x00dev, 103, 0xC0);
rt2800_bbp_write(rt2x00dev, 104, 0x92);
@@ -7027,6 +7030,7 @@ static void rt2800_init_bbp_5592(struct
rt2800_bbp_write(rt2x00dev, 134, 0xD0);
rt2800_bbp_write(rt2x00dev, 135, 0xF6);
rt2800_bbp_write(rt2x00dev, 137, 0x0F);
+ rt2800_bbp_write(rt2x00dev, 148, 0x84);
/* Initialize GLRT (Generalized Likehood Radio Test) */
rt2800_init_bbp_5592_glrt(rt2x00dev);
@@ -7051,12 +7055,6 @@ static void rt2800_init_bbp_5592(struct
rt2x00_set_field8(&value, BBP254_BIT7, 1);
rt2800_bbp_write(rt2x00dev, 254, value);
}
-
- rt2800_init_freq_calibration(rt2x00dev);
-
- rt2800_bbp_write(rt2x00dev, 84, 0x19);
- if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C))
- rt2800_bbp_write(rt2x00dev, 103, 0xc0);
}
static void rt2800_init_bbp_6352(struct rt2x00_dev *rt2x00dev)