diff options
Diffstat (limited to 'package/kernel/mac80211/patches/rt2x00/003-rt2x00-add-support-for-external-PA-on-MT7620.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/rt2x00/003-rt2x00-add-support-for-external-PA-on-MT7620.patch | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/rt2x00/003-rt2x00-add-support-for-external-PA-on-MT7620.patch b/package/kernel/mac80211/patches/rt2x00/003-rt2x00-add-support-for-external-PA-on-MT7620.patch new file mode 100644 index 0000000000..216f583063 --- /dev/null +++ b/package/kernel/mac80211/patches/rt2x00/003-rt2x00-add-support-for-external-PA-on-MT7620.patch @@ -0,0 +1,125 @@ +From patchwork Sat Sep 17 20:26:55 2022 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 8bit +X-Patchwork-Submitter: Daniel Golle <daniel@makrotopia.org> +X-Patchwork-Id: 12979244 +X-Patchwork-Delegate: kvalo@adurom.com +Return-Path: <linux-wireless-owner@kernel.org> +Date: Sat, 17 Sep 2022 21:26:55 +0100 +From: Daniel Golle <daniel@makrotopia.org> +To: linux-wireless@vger.kernel.org, Stanislaw Gruszka <stf_xl@wp.pl>, + Helmut Schaa <helmut.schaa@googlemail.com> +Cc: Kalle Valo <kvalo@kernel.org>, + "David S. Miller" <davem@davemloft.net>, + Eric Dumazet <edumazet@google.com>, + Jakub Kicinski <kuba@kernel.org>, + Paolo Abeni <pabeni@redhat.com>, + Johannes Berg <johannes.berg@intel.com> +Subject: [PATCH v3 03/16] rt2x00: add support for external PA on MT7620 +Message-ID: + <af2c68ff831816a86fc39b0c10911c129a1f03dc.1663445157.git.daniel@makrotopia.org> +References: <cover.1663445157.git.daniel@makrotopia.org> +MIME-Version: 1.0 +Content-Disposition: inline +In-Reply-To: <cover.1663445157.git.daniel@makrotopia.org> +Precedence: bulk +List-ID: <linux-wireless.vger.kernel.org> +X-Mailing-List: linux-wireless@vger.kernel.org + +Implement support for external PA connected to MT7620A. + +Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com> +[pozega.tomislav@gmail.com: use chanreg and dccal helpers.] +Signed-off-by: Daniel Golle <daniel@makrotopia.org> +Acked-by: Stanislaw Gruszka <stf_xl@wp.pl> +--- + drivers/net/wireless/ralink/rt2x00/rt2800.h | 1 + + .../net/wireless/ralink/rt2x00/rt2800lib.c | 52 ++++++++++++++++++- + 2 files changed, 52 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(0x8000) + + /* + * EEPROM LNA +--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +@@ -4368,6 +4368,43 @@ 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)) { ++ 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); +@@ -9566,7 +9603,8 @@ 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, +@@ -9577,6 +9615,18 @@ 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)) { ++ __clear_bit(CAPABILITY_EXTERNAL_PA_TX0, ++ &rt2x00dev->cap_flags); ++ __clear_bit(CAPABILITY_EXTERNAL_PA_TX1, ++ &rt2x00dev->cap_flags); ++ } ++ } ++ + return 0; + } + |