You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
118 lines
4.6 KiB
118 lines
4.6 KiB
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>
|
|
|
|
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
|
|
---
|
|
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
|
|
@@ -2749,6 +2749,7 @@ 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
|
|
@@ -4120,6 +4120,61 @@ 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_bank(rt2x00dev, 4, 43, 0x73);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 43, 0x73);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 44, 0x73);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 44, 0x73);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 45, 0x73);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 45, 0x73);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 46, 0x27);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 46, 0x27);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 47, 0xC8);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 47, 0xC8);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 48, 0xA4);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 48, 0xA4);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 49, 0x05);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 49, 0x05);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 54, 0x27);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 54, 0x27);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 55, 0xC8);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 55, 0xC8);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 56, 0xA4);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 56, 0xA4);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 57, 0x05);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 57, 0x05);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 58, 0x27);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 58, 0x27);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 59, 0xC8);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 59, 0xC8);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 60, 0xA4);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 60, 0xA4);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 61, 0x05);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 61, 0x05);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 05, 0x00);
|
|
+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 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);
|
|
@@ -9314,7 +9369,8 @@ 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,
|
|
@@ -9325,6 +9381,18 @@ 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;
|
|
}
|
|
|
|
|