diff options
Diffstat (limited to 'package/kernel/mac80211/patches/600-13-rt2x00-rt2800lib-add-channel-configuration-code-for-.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/600-13-rt2x00-rt2800lib-add-channel-configuration-code-for-.patch | 136 |
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); + } + |