+++ /dev/null
-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;
- }
-