mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 01:11:14 +00:00
137 lines
4.2 KiB
Diff
137 lines
4.2 KiB
Diff
From 269f19c848a2380db03a3f207cafb88e28d71c53 Mon Sep 17 00:00:00 2001
|
|
From: Gabor Juhos <juhosg@openwrt.org>
|
|
Date: Sun, 24 Mar 2013 19:26:28 +0100
|
|
Subject: [PATCH] rt2x00: rt2800lib: add channel configuration code for RT3883
|
|
|
|
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
|
|
---
|
|
drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 72 +++++++++++++++++++++++++++++--
|
|
1 file changed, 69 insertions(+), 3 deletions(-)
|
|
|
|
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
|
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
|
|
@@ -3406,6 +3406,36 @@ static char rt2800_txpower_to_dev(struct
|
|
return clamp_t(char, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER);
|
|
}
|
|
|
|
+static void rt3883_bbp_adjust(struct rt2x00_dev *rt2x00dev,
|
|
+ struct rf_channel *rf)
|
|
+{
|
|
+ u8 bbp;
|
|
+
|
|
+ bbp = (rf->channel > 14) ? 0x48 : 0x38;
|
|
+ rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, bbp);
|
|
+
|
|
+ rt2800_bbp_write(rt2x00dev, 69, 0x12);
|
|
+
|
|
+ if (rf->channel <= 14) {
|
|
+ rt2800_bbp_write(rt2x00dev, 70, 0x0a);
|
|
+ } else {
|
|
+ /* Disable CCK packet detection */
|
|
+ rt2800_bbp_write(rt2x00dev, 70, 0x00);
|
|
+ }
|
|
+
|
|
+ rt2800_bbp_write(rt2x00dev, 73, 0x10);
|
|
+
|
|
+ if (rf->channel > 14) {
|
|
+ rt2800_bbp_write(rt2x00dev, 62, 0x1d);
|
|
+ rt2800_bbp_write(rt2x00dev, 63, 0x1d);
|
|
+ rt2800_bbp_write(rt2x00dev, 64, 0x1d);
|
|
+ } else {
|
|
+ rt2800_bbp_write(rt2x00dev, 62, 0x2d);
|
|
+ rt2800_bbp_write(rt2x00dev, 63, 0x2d);
|
|
+ rt2800_bbp_write(rt2x00dev, 64, 0x2d);
|
|
+ }
|
|
+}
|
|
+
|
|
static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
|
|
struct ieee80211_conf *conf,
|
|
struct rf_channel *rf,
|
|
@@ -3424,6 +3454,12 @@ static void rt2800_config_channel(struct
|
|
rt2800_txpower_to_dev(rt2x00dev, rf->channel,
|
|
info->default_power3);
|
|
|
|
+ switch (rt2x00dev->chip.rt) {
|
|
+ case RT3883:
|
|
+ rt3883_bbp_adjust(rt2x00dev, rf);
|
|
+ break;
|
|
+ }
|
|
+
|
|
switch (rt2x00dev->chip.rf) {
|
|
case RF2020:
|
|
case RF3020:
|
|
@@ -3507,6 +3543,15 @@ static void rt2800_config_channel(struct
|
|
rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
|
|
rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
|
|
rt2800_bbp_write(rt2x00dev, 77, 0x98);
|
|
+ } else if (rt2x00_rt(rt2x00dev, RT3883)) {
|
|
+ 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 (rt2x00dev->default_ant.rx_chain_num > 1)
|
|
+ rt2800_bbp_write(rt2x00dev, 86, 0x46);
|
|
+ else
|
|
+ rt2800_bbp_write(rt2x00dev, 86, 0);
|
|
} else {
|
|
rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
|
|
rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
|
|
@@ -3519,6 +3564,7 @@ static void rt2800_config_channel(struct
|
|
!rt2x00_rt(rt2x00dev, RT5392)) {
|
|
if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
|
|
rt2800_bbp_write(rt2x00dev, 82, 0x62);
|
|
+ rt2800_bbp_write(rt2x00dev, 82, 0x62);
|
|
rt2800_bbp_write(rt2x00dev, 75, 0x46);
|
|
} else {
|
|
if (rt2x00_rt(rt2x00dev, RT3593))
|
|
@@ -3527,19 +3573,22 @@ static void rt2800_config_channel(struct
|
|
rt2800_bbp_write(rt2x00dev, 82, 0x84);
|
|
rt2800_bbp_write(rt2x00dev, 75, 0x50);
|
|
}
|
|
- if (rt2x00_rt(rt2x00dev, RT3593))
|
|
+ if (rt2x00_rt(rt2x00dev, RT3593) ||
|
|
+ rt2x00_rt(rt2x00dev, RT3883))
|
|
rt2800_bbp_write(rt2x00dev, 83, 0x8a);
|
|
}
|
|
|
|
} else {
|
|
if (rt2x00_rt(rt2x00dev, RT3572))
|
|
rt2800_bbp_write(rt2x00dev, 82, 0x94);
|
|
- else if (rt2x00_rt(rt2x00dev, RT3593))
|
|
+ else if (rt2x00_rt(rt2x00dev, RT3593) ||
|
|
+ rt2x00_rt(rt2x00dev, RT3883))
|
|
rt2800_bbp_write(rt2x00dev, 82, 0x82);
|
|
else
|
|
rt2800_bbp_write(rt2x00dev, 82, 0xf2);
|
|
|
|
- if (rt2x00_rt(rt2x00dev, RT3593))
|
|
+ if (rt2x00_rt(rt2x00dev, RT3593) ||
|
|
+ rt2x00_rt(rt2x00dev, RT3883))
|
|
rt2800_bbp_write(rt2x00dev, 83, 0x9a);
|
|
|
|
if (rt2x00_has_cap_external_lna_a(rt2x00dev))
|
|
@@ -3661,6 +3710,23 @@ static void rt2800_config_channel(struct
|
|
|
|
rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
|
|
|
|
+ usleep_range(1000, 1500);
|
|
+ }
|
|
+
|
|
+ if (rt2x00_rt(rt2x00dev, RT3883)) {
|
|
+ if (!conf_is_ht40(conf))
|
|
+ rt2800_bbp_write(rt2x00dev, 105, 0x34);
|
|
+ else
|
|
+ rt2800_bbp_write(rt2x00dev, 105, 0x04);
|
|
+
|
|
+ /* AGC init */
|
|
+ if (rf->channel <= 14)
|
|
+ reg = 0x2e + rt2x00dev->lna_gain;
|
|
+ else
|
|
+ reg = 0x20 + ((rt2x00dev->lna_gain * 5) / 3);
|
|
+
|
|
+ rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
|
|
+
|
|
usleep_range(1000, 1500);
|
|
}
|
|
|