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-rw-r--r--package/kernel/mac80211/patches/600-13-rt2x00-rt2800lib-add-channel-configuration-code-for-.patch136
1 files changed, 136 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/600-13-rt2x00-rt2800lib-add-channel-configuration-code-for-.patch b/package/kernel/mac80211/patches/600-13-rt2x00-rt2800lib-add-channel-configuration-code-for-.patch
new file mode 100644
index 0000000..beebe90
--- /dev/null
+++ b/package/kernel/mac80211/patches/600-13-rt2x00-rt2800lib-add-channel-configuration-code-for-.patch
@@ -0,0 +1,136 @@
+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
+@@ -3371,6 +3371,36 @@ 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,
+@@ -3389,6 +3419,12 @@ 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:
+@@ -3490,6 +3526,15 @@ 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);
+@@ -3502,6 +3547,7 @@ 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))
+@@ -3510,19 +3556,22 @@ 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))
+@@ -3644,6 +3693,23 @@ 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);
+ }
+