diff options
| -rw-r--r-- | package/kernel/mac80211/patches/650-rt2x00-add-support-for-external-PA-on-MT7620.patch | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/650-rt2x00-add-support-for-external-PA-on-MT7620.patch b/package/kernel/mac80211/patches/650-rt2x00-add-support-for-external-PA-on-MT7620.patch new file mode 100644 index 0000000000..b2248614a3 --- /dev/null +++ b/package/kernel/mac80211/patches/650-rt2x00-add-support-for-external-PA-on-MT7620.patch @@ -0,0 +1,125 @@ +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(-) + +diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800.h b/drivers/net/wireless/ralink/rt2x00/rt2800.h +index 6a8c93fb6a43..df0cefe44171 100644 +--- a/drivers/net/wireless/ralink/rt2x00/rt2800.h ++++ b/drivers/net/wireless/ralink/rt2x00/rt2800.h +@@ -2732,6 +2732,7 @@ 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 +diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +index c06db547b0a4..db431c9544e2 100644 +--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +@@ -3834,6 +3834,61 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev, + 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"); ++ rt2800_register_read(rt2x00dev, RF_CONTROL3, ®); ++ reg |= 0x00000101; ++ rt2800_register_write(rt2x00dev, RF_CONTROL3, 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); ++ } ++ } ++ + rt2800_bbp_read(rt2x00dev, 4, &bbp); + rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf)); + rt2800_bbp_write(rt2x00dev, 4, bbp); +@@ -8796,7 +8851,8 @@ static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev) + */ + rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom); + +- 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, +@@ -8807,6 +8863,18 @@ static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev) + &rt2x00dev->cap_flags); + } + ++ rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF2, &eeprom); ++ ++ 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; + } + +-- +2.12.2 + |