ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/package/kernel/mac80211/patches/rt2x00/650-rt2x00-add-support-for-external-PA-on-MT7620.patch b/package/kernel/mac80211/patches/rt2x00/650-rt2x00-add-support-for-external-PA-on-MT7620.patch
new file mode 100644
index 0000000..3de562d
--- /dev/null
+++ b/package/kernel/mac80211/patches/rt2x00/650-rt2x00-add-support-for-external-PA-on-MT7620.patch
@@ -0,0 +1,107 @@
+From 9782a7f7488443568fa4d6088b73c9aff7eb8510 Mon Sep 17 00:00:00 2001
+From: Daniel Golle <daniel@makrotopia.org>
+Date: Wed, 19 Apr 2017 16:14:53 +0200
+Subject: [PATCH] rt2x00: add support for external PA on MT7620
+To: Stanislaw Gruszka <sgruszka@redhat.com>
+Cc: Helmut Schaa <helmut.schaa@googlemail.com>,
+ linux-wireless@vger.kernel.org,
+ Kalle Valo <kvalo@codeaurora.org>
+Content-Type: text/plain; charset="UTF-8"
+Content-Transfer-Encoding: quoted-printable
+
+Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+Signed-off-by: Tomislav Po=C5=BEega <pozega.tomislav@gmail.com>
+[pozega.tomislav@gmail.com: use chanreg and dccal helpers.]
+
+---
+ drivers/net/wireless/ralink/rt2x00/rt2800.h | 1 +
+ drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 70 +++++++++++++++++++++++++-
+ 2 files changed, 70 insertions(+), 1 deletion(-)
+
+--- a/drivers/net/wireless/ralink/rt2x00/rt2800.h
++++ b/drivers/net/wireless/ralink/rt2x00/rt2800.h
+@@ -2739,6 +2739,7 @@ enum rt2800_eeprom_word {
+ #define EEPROM_NIC_CONF2_RX_STREAM FIELD16(0x000f)
+ #define EEPROM_NIC_CONF2_TX_STREAM FIELD16(0x00f0)
+ #define EEPROM_NIC_CONF2_CRYSTAL FIELD16(0x0600)
++#define EEPROM_NIC_CONF2_EXTERNAL_PA FIELD16(0xc000)
+
+ /*
+ * EEPROM LNA
+--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+@@ -4360,6 +4360,45 @@ static void rt2800_config_channel(struct
+ rt2800_iq_calibrate(rt2x00dev, rf->channel);
+ }
+
++ if (rt2x00_rt(rt2x00dev, RT6352)) {
++ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0,
++ &rt2x00dev->cap_flags)) {
++ rt2x00_warn(rt2x00dev, "Using incomplete support for " \
++ "external PA\n");
++ reg = rt2800_register_read(rt2x00dev, RF_CONTROL3);
++ reg |= 0x00000101;
++ rt2800_register_write(rt2x00dev, RF_CONTROL3, reg);
++
++ reg = rt2800_register_read(rt2x00dev, RF_BYPASS3);
++ reg |= 0x00000101;
++ rt2800_register_write(rt2x00dev, RF_BYPASS3, reg);
++
++ rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0x73);
++ rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0x73);
++ rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0x73);
++ rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x27);
++ rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0xC8);
++ rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xA4);
++ rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x05);
++ rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x27);
++ rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0xC8);
++ rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xA4);
++ rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x05);
++ rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x27);
++ rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0xC8);
++ rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xA4);
++ rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x05);
++ rt2800_rfcsr_write_dccal(rt2x00dev, 05, 0x00);
++
++ rt2800_register_write(rt2x00dev, TX0_RF_GAIN_CORRECT,
++ 0x36303636);
++ rt2800_register_write(rt2x00dev, TX0_RF_GAIN_ATTEN,
++ 0x6C6C6B6C);
++ rt2800_register_write(rt2x00dev, TX1_RF_GAIN_ATTEN,
++ 0x6C6C6B6C);
++ }
++ }
++
+ bbp = rt2800_bbp_read(rt2x00dev, 4);
+ rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
+ rt2800_bbp_write(rt2x00dev, 4, bbp);
+@@ -9585,7 +9624,8 @@ static int rt2800_init_eeprom(struct rt2
+ */
+ eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
+
+- if (rt2x00_rt(rt2x00dev, RT3352)) {
++ if (rt2x00_rt(rt2x00dev, RT3352) ||
++ rt2x00_rt(rt2x00dev, RT6352)) {
+ if (rt2x00_get_field16(eeprom,
+ EEPROM_NIC_CONF1_EXTERNAL_TX0_PA_3352))
+ __set_bit(CAPABILITY_EXTERNAL_PA_TX0,
+@@ -9596,6 +9636,18 @@ static int rt2800_init_eeprom(struct rt2
+ &rt2x00dev->cap_flags);
+ }
+
++ eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF2);
++
++ if (rt2x00_rt(rt2x00dev, RT6352) && eeprom != 0 && eeprom != 0xffff) {
++ if (rt2x00_get_field16(eeprom,
++ EEPROM_NIC_CONF2_EXTERNAL_PA)) {
++ __set_bit(CAPABILITY_EXTERNAL_PA_TX0,
++ &rt2x00dev->cap_flags);
++ __set_bit(CAPABILITY_EXTERNAL_PA_TX1,
++ &rt2x00dev->cap_flags);
++ }
++ }
++
+ return 0;
+ }
+