--- /dev/null
+From: David Bauer <mail@david-bauer.net>
+Date: Mon, 16 Dec 2019 20:47:06 +0100
+Subject: [PATCH] rt2x00: add throughput LED trigger
+
+This adds a (currently missing) throughput LED trigger for the rt2x00
+driver. Previously, LED triggers had to be assigned to the netdev, which
+was limited to a single VAP.
+
+Signed-off-by: David Bauer <mail@david-bauer.net>
+Tested-by: Christoph Krapp <achterin@googlemail.com>
+---
+ drivers/net/wireless/ralink/rt2x00/rt2x00dev.c | 17 +++++++++++++++++
+ 1 file changed, 17 insertions(+)
+
+--- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
++++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
+@@ -1125,6 +1125,19 @@ static void rt2x00lib_remove_hw(struct r
+ kfree(rt2x00dev->spec.channels_info);
+ }
+
++static const struct ieee80211_tpt_blink rt2x00_tpt_blink[] = {
++ { .throughput = 0 * 1024, .blink_time = 334 },
++ { .throughput = 1 * 1024, .blink_time = 260 },
++ { .throughput = 2 * 1024, .blink_time = 220 },
++ { .throughput = 5 * 1024, .blink_time = 190 },
++ { .throughput = 10 * 1024, .blink_time = 170 },
++ { .throughput = 25 * 1024, .blink_time = 150 },
++ { .throughput = 54 * 1024, .blink_time = 130 },
++ { .throughput = 120 * 1024, .blink_time = 110 },
++ { .throughput = 265 * 1024, .blink_time = 80 },
++ { .throughput = 586 * 1024, .blink_time = 50 },
++};
++
+ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
+ {
+ struct hw_mode_spec *spec = &rt2x00dev->spec;
+@@ -1206,6 +1219,10 @@ static int rt2x00lib_probe_hw(struct rt2
+
+ #undef RT2X00_TASKLET_INIT
+
++ ieee80211_create_tpt_led_trigger(rt2x00dev->hw,
++ IEEE80211_TPT_LEDTRIG_FL_RADIO, rt2x00_tpt_blink,
++ ARRAY_SIZE(rt2x00_tpt_blink));
++
+ /*
+ * Register HW.
+ */
+++ /dev/null
-From: David Bauer <mail@david-bauer.net>
-Date: Mon, 16 Dec 2019 20:47:06 +0100
-Subject: [PATCH] rt2x00: add throughput LED trigger
-
-This adds a (currently missing) throughput LED trigger for the rt2x00
-driver. Previously, LED triggers had to be assigned to the netdev, which
-was limited to a single VAP.
-
-Signed-off-by: David Bauer <mail@david-bauer.net>
-Tested-by: Christoph Krapp <achterin@googlemail.com>
-
---- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
-+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
-@@ -1125,6 +1125,19 @@ static void rt2x00lib_remove_hw(struct r
- kfree(rt2x00dev->spec.channels_info);
- }
-
-+static const struct ieee80211_tpt_blink rt2x00_tpt_blink[] = {
-+ { .throughput = 0 * 1024, .blink_time = 334 },
-+ { .throughput = 1 * 1024, .blink_time = 260 },
-+ { .throughput = 2 * 1024, .blink_time = 220 },
-+ { .throughput = 5 * 1024, .blink_time = 190 },
-+ { .throughput = 10 * 1024, .blink_time = 170 },
-+ { .throughput = 25 * 1024, .blink_time = 150 },
-+ { .throughput = 54 * 1024, .blink_time = 130 },
-+ { .throughput = 120 * 1024, .blink_time = 110 },
-+ { .throughput = 265 * 1024, .blink_time = 80 },
-+ { .throughput = 586 * 1024, .blink_time = 50 },
-+};
-+
- static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
- {
- struct hw_mode_spec *spec = &rt2x00dev->spec;
-@@ -1206,6 +1219,10 @@ static int rt2x00lib_probe_hw(struct rt2
-
- #undef RT2X00_TASKLET_INIT
-
-+ ieee80211_create_tpt_led_trigger(rt2x00dev->hw,
-+ IEEE80211_TPT_LEDTRIG_FL_RADIO, rt2x00_tpt_blink,
-+ ARRAY_SIZE(rt2x00_tpt_blink));
-+
- /*
- * Register HW.
- */
--- /dev/null
+From: =?UTF-8?q?Tomislav=20Po=C5=BEega?= <pozega.tomislav@gmail.com>
+Date: Mon, 8 Jan 2018 13:42:27 +0100
+Subject: [PATCH] rt2x00: add RF self TXDC calibration
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Add TX self calibration based on mtk driver.
+
+Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
+---
+ .../net/wireless/ralink/rt2x00/rt2800lib.c | 51 +++++++++++++++++++
+ 1 file changed, 51 insertions(+)
+
+--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+@@ -8438,6 +8438,56 @@ static void rt2800_init_rfcsr_5592(struc
+ rt2800_led_open_drain_enable(rt2x00dev);
+ }
+
++static void rt2800_rf_self_txdc_cal(struct rt2x00_dev *rt2x00dev)
++{
++ u8 rfb5r1_org, rfb7r1_org, rfvalue;
++ u32 mac0518, mac051c, mac0528, mac052c;
++ u8 i;
++
++ rt2x00_info(rt2x00dev, "RF Tx self calibration start\n");
++ mac0518 = rt2800_register_read(rt2x00dev, RF_CONTROL0);
++ mac051c = rt2800_register_read(rt2x00dev, RF_BYPASS0);
++ mac0528 = rt2800_register_read(rt2x00dev, RF_CONTROL2);
++ mac052c = rt2800_register_read(rt2x00dev, RF_BYPASS2);
++
++ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x0);
++ rt2800_register_write(rt2x00dev, RF_BYPASS2, 0x0);
++
++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0xC);
++ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x3306);
++ rt2800_register_write(rt2x00dev, RF_CONTROL2, 0x3330);
++ rt2800_register_write(rt2x00dev, RF_BYPASS2, 0xfffff);
++ rfb5r1_org = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1);
++ rfb7r1_org = rt2800_rfcsr_read_bank(rt2x00dev, 7, 1);
++
++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, 0x4);
++ for (i = 0; i < 100; i = i + 1) {
++ udelay(50);
++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1);
++ if((rfvalue & 0x04) != 0x4)
++ break;
++ }
++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, rfb5r1_org);
++
++ rt2800_rfcsr_write_bank(rt2x00dev, 7, 1, 0x4);
++ for (i = 0; i < 100; i = i + 1) {
++ udelay(50);
++ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 1);
++ if((rfvalue & 0x04) != 0x4)
++ break;
++ }
++ rt2800_rfcsr_write_bank(rt2x00dev, 7, 1, rfb7r1_org);
++
++ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x0);
++ rt2800_register_write(rt2x00dev, RF_BYPASS2, 0x0);
++ rt2800_register_write(rt2x00dev, RF_CONTROL0, mac0518);
++ rt2800_register_write(rt2x00dev, RF_BYPASS0, mac051c);
++ rt2800_register_write(rt2x00dev, RF_CONTROL2, mac0528);
++ rt2800_register_write(rt2x00dev, RF_BYPASS2, mac052c);
++
++ rt2x00_info(rt2x00dev, "RF Tx self calibration end\n");
++}
++
+ static void rt2800_bbp_core_soft_reset(struct rt2x00_dev *rt2x00dev,
+ bool set_bw, bool is_ht40)
+ {
+@@ -9045,6 +9095,7 @@ static void rt2800_init_rfcsr_6352(struc
+ rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00);
+ rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x7C);
+
++ rt2800_rf_self_txdc_cal(rt2x00dev);
+ rt2800_bw_filter_calibration(rt2x00dev, true);
+ rt2800_bw_filter_calibration(rt2x00dev, false);
+ }
+++ /dev/null
---- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
-+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
-@@ -8438,6 +8438,56 @@ static void rt2800_init_rfcsr_5592(struc
- rt2800_led_open_drain_enable(rt2x00dev);
- }
-
-+static void rt2800_rf_self_txdc_cal(struct rt2x00_dev *rt2x00dev)
-+{
-+ u8 rfb5r1_org, rfb7r1_org, rfvalue;
-+ u32 mac0518, mac051c, mac0528, mac052c;
-+ u8 i;
-+
-+ rt2x00_info(rt2x00dev, "RF Tx self calibration start\n");
-+ mac0518 = rt2800_register_read(rt2x00dev, RF_CONTROL0);
-+ mac051c = rt2800_register_read(rt2x00dev, RF_BYPASS0);
-+ mac0528 = rt2800_register_read(rt2x00dev, RF_CONTROL2);
-+ mac052c = rt2800_register_read(rt2x00dev, RF_BYPASS2);
-+
-+ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x0);
-+ rt2800_register_write(rt2x00dev, RF_BYPASS2, 0x0);
-+
-+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0xC);
-+ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x3306);
-+ rt2800_register_write(rt2x00dev, RF_CONTROL2, 0x3330);
-+ rt2800_register_write(rt2x00dev, RF_BYPASS2, 0xfffff);
-+ rfb5r1_org = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1);
-+ rfb7r1_org = rt2800_rfcsr_read_bank(rt2x00dev, 7, 1);
-+
-+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, 0x4);
-+ for (i = 0; i < 100; i = i + 1) {
-+ udelay(50);
-+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1);
-+ if((rfvalue & 0x04) != 0x4)
-+ break;
-+ }
-+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, rfb5r1_org);
-+
-+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 1, 0x4);
-+ for (i = 0; i < 100; i = i + 1) {
-+ udelay(50);
-+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 1);
-+ if((rfvalue & 0x04) != 0x4)
-+ break;
-+ }
-+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 1, rfb7r1_org);
-+
-+ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x0);
-+ rt2800_register_write(rt2x00dev, RF_BYPASS2, 0x0);
-+ rt2800_register_write(rt2x00dev, RF_CONTROL0, mac0518);
-+ rt2800_register_write(rt2x00dev, RF_BYPASS0, mac051c);
-+ rt2800_register_write(rt2x00dev, RF_CONTROL2, mac0528);
-+ rt2800_register_write(rt2x00dev, RF_BYPASS2, mac052c);
-+
-+ rt2x00_info(rt2x00dev, "RF Tx self calibration end\n");
-+}
-+
- static void rt2800_bbp_core_soft_reset(struct rt2x00_dev *rt2x00dev,
- bool set_bw, bool is_ht40)
- {
-@@ -9045,6 +9095,7 @@ static void rt2800_init_rfcsr_6352(struc
- rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00);
- rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x7C);
-
-+ rt2800_rf_self_txdc_cal(rt2x00dev);
- rt2800_bw_filter_calibration(rt2x00dev, true);
- rt2800_bw_filter_calibration(rt2x00dev, false);
- }
+From: =?UTF-8?q?Tomislav=20Po=C5=BEega?= <pozega.tomislav@gmail.com>
+Date: Mon, 8 Jan 2018 13:42:58 +0100
+Subject: [PATCH] rt2x00: add r calibration
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Add r calibration code as found in mtk driver.
+
+Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
+---
+ .../net/wireless/ralink/rt2x00/rt2800lib.c | 150 ++++++++++++++++++
+ 1 file changed, 150 insertions(+)
+
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -8488,6 +8488,155 @@ static void rt2800_rf_self_txdc_cal(stru
--- /dev/null
+From: =?UTF-8?q?Tomislav=20Po=C5=BEega?= <pozega.tomislav@gmail.com>
+Date: Mon, 8 Jan 2018 13:43:37 +0100
+Subject: [PATCH] rt2x00: add RXDCOC calibration
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Add RXDCOC calibration code from mtk driver.
+
+Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
+---
+ .../net/wireless/ralink/rt2x00/rt2800lib.c | 65 +++++++++++++++++++
+ 1 file changed, 65 insertions(+)
+
+--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+@@ -8637,6 +8637,70 @@ static void rt2800_r_calibration(struct
+ rt2800_register_write(rt2x00dev, PWR_PIN_CFG, MAC_PWR_PIN_CFG);
+ }
+
++static void rt2800_rxdcoc_calibration(struct rt2x00_dev *rt2x00dev)
++{
++ u8 bbpreg = 0;
++ u32 macvalue = 0, macvalue1 = 0;
++ u8 saverfb0r2, saverfb5r4, saverfb7r4, rfvalue;
++ int i;
++
++ saverfb0r2 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2);
++ rfvalue = saverfb0r2;
++ rfvalue |= 0x03;
++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfvalue);
++
++ rt2800_bbp_write(rt2x00dev, 158, 141);
++ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
++ bbpreg |= 0x10;
++ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
++
++ macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
++ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x8);
++
++ for (i = 0; i < 10000; i++) {
++ macvalue1 = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG);
++ if (macvalue1 & 0x1)
++ udelay(50);
++ else
++ break;
++ }
++
++ saverfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 0);
++ saverfb7r4 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 4);
++ saverfb5r4 = saverfb5r4 & (~0x40);
++ saverfb7r4 = saverfb7r4 & (~0x40);
++ rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x64);
++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r4);
++ rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, saverfb7r4);
++
++ rt2800_bbp_write(rt2x00dev, 158, 141);
++ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
++ bbpreg = bbpreg & (~0x40);
++ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
++ bbpreg |= 0x48;
++ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
++
++ for (i = 0; i < 10000; i++) {
++ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
++ if ((bbpreg & 0x40)==0)
++ break;
++ udelay(50);
++ }
++
++ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
++ bbpreg = bbpreg & (~0x40);
++ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
++
++ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue);
++
++ rt2800_bbp_write(rt2x00dev, 158, 141);
++ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
++ bbpreg &= (~0x10);
++ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
++
++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, saverfb0r2);
++}
++
+ static void rt2800_bbp_core_soft_reset(struct rt2x00_dev *rt2x00dev,
+ bool set_bw, bool is_ht40)
+ {
+@@ -9246,6 +9310,7 @@ static void rt2800_init_rfcsr_6352(struc
+
+ rt2800_r_calibration(rt2x00dev);
+ rt2800_rf_self_txdc_cal(rt2x00dev);
++ rt2800_rxdcoc_calibration(rt2x00dev);
+ rt2800_bw_filter_calibration(rt2x00dev, true);
+ rt2800_bw_filter_calibration(rt2x00dev, false);
+ }
+++ /dev/null
---- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
-+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
-@@ -8637,6 +8637,70 @@ static void rt2800_r_calibration(struct
- rt2800_register_write(rt2x00dev, PWR_PIN_CFG, MAC_PWR_PIN_CFG);
- }
-
-+static void rt2800_rxdcoc_calibration(struct rt2x00_dev *rt2x00dev)
-+{
-+ u8 bbpreg = 0;
-+ u32 macvalue = 0, macvalue1 = 0;
-+ u8 saverfb0r2, saverfb5r4, saverfb7r4, rfvalue;
-+ int i;
-+
-+ saverfb0r2 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2);
-+ rfvalue = saverfb0r2;
-+ rfvalue |= 0x03;
-+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfvalue);
-+
-+ rt2800_bbp_write(rt2x00dev, 158, 141);
-+ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
-+ bbpreg |= 0x10;
-+ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
-+
-+ macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
-+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x8);
-+
-+ for (i = 0; i < 10000; i++) {
-+ macvalue1 = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG);
-+ if (macvalue1 & 0x1)
-+ udelay(50);
-+ else
-+ break;
-+ }
-+
-+ saverfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 0);
-+ saverfb7r4 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 4);
-+ saverfb5r4 = saverfb5r4 & (~0x40);
-+ saverfb7r4 = saverfb7r4 & (~0x40);
-+ rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x64);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r4);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, saverfb7r4);
-+
-+ rt2800_bbp_write(rt2x00dev, 158, 141);
-+ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
-+ bbpreg = bbpreg & (~0x40);
-+ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
-+ bbpreg |= 0x48;
-+ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
-+
-+ for (i = 0; i < 10000; i++) {
-+ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
-+ if ((bbpreg & 0x40)==0)
-+ break;
-+ udelay(50);
-+ }
-+
-+ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
-+ bbpreg = bbpreg & (~0x40);
-+ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
-+
-+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue);
-+
-+ rt2800_bbp_write(rt2x00dev, 158, 141);
-+ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
-+ bbpreg &= (~0x10);
-+ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
-+
-+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, saverfb0r2);
-+}
-+
- static void rt2800_bbp_core_soft_reset(struct rt2x00_dev *rt2x00dev,
- bool set_bw, bool is_ht40)
- {
-@@ -9246,6 +9310,7 @@ static void rt2800_init_rfcsr_6352(struc
-
- rt2800_r_calibration(rt2x00dev);
- rt2800_rf_self_txdc_cal(rt2x00dev);
-+ rt2800_rxdcoc_calibration(rt2x00dev);
- rt2800_bw_filter_calibration(rt2x00dev, true);
- rt2800_bw_filter_calibration(rt2x00dev, false);
- }
--- /dev/null
+From: =?UTF-8?q?Tomislav=20Po=C5=BEega?= <pozega.tomislav@gmail.com>
+Date: Mon, 8 Jan 2018 13:43:56 +0100
+Subject: [PATCH] rt2x00: add RXIQ calibration
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Add RXIQ calibration found in mtk driver. With old openwrt builds this
+gets us ~8Mbps more of RX bandwidth (test with iPA/eLNA layout).
+
+Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
+---
+ .../net/wireless/ralink/rt2x00/rt2800lib.c | 379 ++++++++++++++++++
+ 1 file changed, 379 insertions(+)
+
+--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+@@ -8701,6 +8701,384 @@ static void rt2800_rxdcoc_calibration(st
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, saverfb0r2);
+ }
+
++static u32 rt2800_do_sqrt_accumulation(u32 si) {
++ u32 root, root_pre, bit;
++ char i;
++ bit = 1 << 15;
++ root = 0;
++ for (i = 15; i >= 0; i = i - 1) {
++ root_pre = root + bit;
++ if ((root_pre*root_pre) <= si)
++ root = root_pre;
++ bit = bit >> 1;
++ }
++
++ return root;
++}
++
++static void rt2800_rxiq_calibration(struct rt2x00_dev *rt2x00dev) {
++ u8 rfb0r1, rfb0r2, rfb0r42;
++ u8 rfb4r0, rfb4r19;
++ u8 rfb5r3, rfb5r4, rfb5r17, rfb5r18, rfb5r19, rfb5r20;
++ u8 rfb6r0, rfb6r19;
++ u8 rfb7r3, rfb7r4, rfb7r17, rfb7r18, rfb7r19, rfb7r20;
++
++ u8 bbp1, bbp4;
++ u8 bbpr241, bbpr242;
++ u32 i;
++ u8 ch_idx;
++ u8 bbpval;
++ u8 rfval, vga_idx = 0;
++ int mi = 0, mq = 0, si = 0, sq = 0, riq = 0;
++ int sigma_i, sigma_q, r_iq, g_rx;
++ int g_imb;
++ int ph_rx;
++ u32 savemacsysctrl = 0;
++ u32 orig_RF_CONTROL0 = 0;
++ u32 orig_RF_BYPASS0 = 0;
++ u32 orig_RF_CONTROL1 = 0;
++ u32 orig_RF_BYPASS1 = 0;
++ u32 orig_RF_CONTROL3 = 0;
++ u32 orig_RF_BYPASS3 = 0;
++ u32 macstatus, bbpval1 = 0;
++ u8 rf_vga_table[] = {0x20, 0x21, 0x22, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f};
++
++ savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
++ orig_RF_CONTROL0 = rt2800_register_read(rt2x00dev, RF_CONTROL0);
++ orig_RF_BYPASS0 = rt2800_register_read(rt2x00dev, RF_BYPASS0);
++ orig_RF_CONTROL1 = rt2800_register_read(rt2x00dev, RF_CONTROL1);
++ orig_RF_BYPASS1 = rt2800_register_read(rt2x00dev, RF_BYPASS1);
++ orig_RF_CONTROL3 = rt2800_register_read(rt2x00dev, RF_CONTROL3);
++ orig_RF_BYPASS3 = rt2800_register_read(rt2x00dev, RF_BYPASS3);
++
++ bbp1 = rt2800_bbp_read(rt2x00dev, 1);
++ bbp4 = rt2800_bbp_read(rt2x00dev, 4);
++
++ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x0);
++
++ for (i = 0; i < 10000; i++) {
++ macstatus = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG);
++ if (macstatus & 0x3)
++ udelay(50);
++ else
++ break;
++ }
++
++ if (i == 10000)
++ rt2x00_warn(rt2x00dev, "Wait MAC Status to MAX !!!\n");
++
++ bbpval = bbp4 & (~0x18);
++ bbpval = bbp4 | 0x00;
++ rt2800_bbp_write(rt2x00dev, 4, bbpval);
++
++ bbpval = rt2800_bbp_read(rt2x00dev, 21);
++ bbpval = bbpval | 1;
++ rt2800_bbp_write(rt2x00dev, 21, bbpval);
++ bbpval = bbpval & 0xfe;
++ rt2800_bbp_write(rt2x00dev, 21, bbpval);
++
++ rt2800_register_write(rt2x00dev, RF_CONTROL1, 0x00000202);
++ rt2800_register_write(rt2x00dev, RF_BYPASS1, 0x00000303);
++ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags))
++ rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x0101);
++ else
++ rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x0000);
++
++ rt2800_register_write(rt2x00dev, RF_BYPASS3, 0xf1f1);
++
++ rfb0r1 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1);
++ rfb0r2 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2);
++ rfb0r42 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 42);
++ rfb4r0 = rt2800_rfcsr_read_bank(rt2x00dev, 4, 0);
++ rfb4r19 = rt2800_rfcsr_read_bank(rt2x00dev, 4, 19);
++ rfb5r3 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3);
++ rfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4);
++ rfb5r17 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17);
++ rfb5r18 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18);
++ rfb5r19 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19);
++ rfb5r20 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20);
++
++ rfb6r0 = rt2800_rfcsr_read_bank(rt2x00dev, 6, 0);
++ rfb6r19 = rt2800_rfcsr_read_bank(rt2x00dev, 6, 19);
++ rfb7r3 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 3);
++ rfb7r4 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 4);
++ rfb7r17 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 17);
++ rfb7r18 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 18);
++ rfb7r19 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 19);
++ rfb7r20 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 20);
++
++ rt2800_rfcsr_write_chanreg(rt2x00dev, 0, 0x87);
++ rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0x27);
++ rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x38);
++ rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x38);
++ rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x80);
++ rt2800_rfcsr_write_dccal(rt2x00dev, 18, 0xC1);
++ rt2800_rfcsr_write_dccal(rt2x00dev, 19, 0x60);
++ rt2800_rfcsr_write_dccal(rt2x00dev, 20, 0x00);
++
++ rt2800_bbp_write(rt2x00dev, 23, 0x0);
++ rt2800_bbp_write(rt2x00dev, 24, 0x0);
++
++ rt2800_bbp_dcoc_write(rt2x00dev, 5, 0x0);
++
++ bbpr241 = rt2800_bbp_read(rt2x00dev, 241);
++ bbpr242 = rt2800_bbp_read(rt2x00dev, 242);
++
++ rt2800_bbp_write(rt2x00dev, 241, 0x10);
++ rt2800_bbp_write(rt2x00dev, 242, 0x84);
++ rt2800_bbp_write(rt2x00dev, 244, 0x31);
++
++ bbpval = rt2800_bbp_dcoc_read(rt2x00dev, 3);
++ bbpval = bbpval & (~0x7);
++ rt2800_bbp_dcoc_write(rt2x00dev, 3, bbpval);
++
++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004);
++ udelay(1);
++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000006);
++ usleep_range(1, 200);
++ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00003376);
++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001006);
++ udelay(1);
++ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) {
++ rt2800_bbp_write(rt2x00dev, 23, 0x06);
++ rt2800_bbp_write(rt2x00dev, 24, 0x06);
++ } else {
++ rt2800_bbp_write(rt2x00dev, 23, 0x02);
++ rt2800_bbp_write(rt2x00dev, 24, 0x02);
++ }
++
++ for (ch_idx = 0; ch_idx < 2; ch_idx = ch_idx + 1) {
++ if (ch_idx == 0) {
++ rfval = rfb0r1 & (~0x3);
++ rfval = rfb0r1 | 0x1;
++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, rfval);
++ rfval = rfb0r2 & (~0x33);
++ rfval = rfb0r2 | 0x11;
++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfval);
++ rfval = rfb0r42 & (~0x50);
++ rfval = rfb0r42 | 0x10;
++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfval);
++
++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001006);
++ udelay(1);
++
++ bbpval = bbp1 & (~ 0x18);
++ bbpval = bbpval | 0x00;
++ rt2800_bbp_write(rt2x00dev, 1, bbpval);
++
++ rt2800_bbp_dcoc_write(rt2x00dev, 1, 0x00);
++ } else {
++ rfval = rfb0r1 & (~0x3);
++ rfval = rfb0r1 | 0x2;
++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, rfval);
++ rfval = rfb0r2 & (~0x33);
++ rfval = rfb0r2 | 0x22;
++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfval);
++ rfval = rfb0r42 & (~0x50);
++ rfval = rfb0r42 | 0x40;
++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfval);
++
++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00002006);
++ udelay(1);
++
++ bbpval = bbp1 & (~ 0x18);
++ bbpval = bbpval | 0x08;
++ rt2800_bbp_write(rt2x00dev, 1, bbpval);
++
++ rt2800_bbp_dcoc_write(rt2x00dev, 1, 0x01);
++ }
++ udelay(500);
++
++ vga_idx = 0;
++ while (vga_idx < 11) {
++ rt2800_rfcsr_write_dccal(rt2x00dev, 3, rf_vga_table[vga_idx]);
++ rt2800_rfcsr_write_dccal(rt2x00dev, 4, rf_vga_table[vga_idx]);
++
++ rt2800_bbp_dcoc_write(rt2x00dev, 0, 0x93);
++
++ for (i = 0; i < 10000; i++) {
++ bbpval = rt2800_bbp_read(rt2x00dev, 159);
++ if ((bbpval & 0xff) == 0x93)
++ udelay(50);
++ else
++ break;
++ }
++
++ if ((bbpval & 0xff) == 0x93) {
++ rt2x00_warn(rt2x00dev, "Fatal Error: Calibration doesn't finish");
++ goto restore_value;
++ }
++
++ for (i = 0; i < 5; i++) {
++ u32 bbptemp = 0;
++ u8 value = 0;
++ int result = 0;
++
++ rt2800_bbp_write(rt2x00dev, 158, 0x1e);
++ rt2800_bbp_write(rt2x00dev, 159, i);
++ rt2800_bbp_write(rt2x00dev, 158, 0x22);
++ value = rt2800_bbp_read(rt2x00dev, 159);
++ bbptemp = bbptemp + (value << 24);
++ rt2800_bbp_write(rt2x00dev, 158, 0x21);
++ value = rt2800_bbp_read(rt2x00dev, 159);
++ bbptemp = bbptemp + (value << 16);
++ rt2800_bbp_write(rt2x00dev, 158, 0x20);
++ value = rt2800_bbp_read(rt2x00dev, 159);
++ bbptemp = bbptemp + (value << 8);
++ rt2800_bbp_write(rt2x00dev, 158, 0x1f);
++ value = rt2800_bbp_read(rt2x00dev, 159);
++ bbptemp = bbptemp + value;
++
++ if ((i < 2) && (bbptemp & 0x800000))
++ result = (bbptemp & 0xffffff) - 0x1000000;
++ else if (i == 4)
++ result = bbptemp;
++ else
++ result = bbptemp;
++
++ if (i == 0)
++ mi = result/4096;
++ else if (i == 1)
++ mq = result/4096;
++ else if (i == 2)
++ si = bbptemp/4096;
++ else if (i == 3)
++ sq = bbptemp/4096;
++ else
++ riq = result/4096;
++ }
++
++ bbpval1 = si - mi*mi;
++ rt2x00_dbg(rt2x00dev, "RXIQ si=%d, sq=%d, riq=%d, bbpval %d, vga_idx %d", si, sq, riq, bbpval1, vga_idx);
++
++ if (bbpval1 >= (100*100))
++ break;
++
++ if (bbpval1 <= 100)
++ vga_idx = vga_idx + 9;
++ else if (bbpval1 <= 158)
++ vga_idx = vga_idx + 8;
++ else if (bbpval1 <= 251)
++ vga_idx = vga_idx + 7;
++ else if (bbpval1 <= 398)
++ vga_idx = vga_idx + 6;
++ else if (bbpval1 <= 630)
++ vga_idx = vga_idx + 5;
++ else if (bbpval1 <= 1000)
++ vga_idx = vga_idx + 4;
++ else if (bbpval1 <= 1584)
++ vga_idx = vga_idx + 3;
++ else if (bbpval1 <= 2511)
++ vga_idx = vga_idx + 2;
++ else
++ vga_idx = vga_idx + 1;
++ }
++
++ sigma_i = rt2800_do_sqrt_accumulation(100*(si - mi*mi));
++ sigma_q = rt2800_do_sqrt_accumulation(100*(sq - mq*mq));
++ r_iq = 10*(riq-(mi*mq));
++
++ rt2x00_dbg(rt2x00dev, "Sigma_i=%d, Sigma_q=%d, R_iq=%d", sigma_i, sigma_q, r_iq);
++
++ if (((sigma_i <= 1400 ) && (sigma_i >= 1000))
++ && ((sigma_i - sigma_q) <= 112)
++ && ((sigma_i - sigma_q) >= -112)
++ && ((mi <= 32) && (mi >= -32))
++ && ((mq <= 32) && (mq >= -32))) {
++ r_iq = 10*(riq-(mi*mq));
++ rt2x00_dbg(rt2x00dev, "RXIQ Sigma_i=%d, Sigma_q=%d, R_iq=%d\n", sigma_i, sigma_q, r_iq);
++
++ g_rx = (1000 * sigma_q) / sigma_i;
++ g_imb = ((-2) * 128 * (1000 - g_rx)) / (1000 + g_rx);
++ ph_rx = (r_iq * 2292) / (sigma_i * sigma_q);
++ rt2x00_info(rt2x00dev, "RXIQ G_imb=%d, Ph_rx=%d\n", g_imb, ph_rx);
++
++ if ((ph_rx > 20) || (ph_rx < -20)) {
++ ph_rx = 0;
++ rt2x00_warn(rt2x00dev, "RXIQ calibration FAIL");
++ }
++
++ if ((g_imb > 12) || (g_imb < -12)) {
++ g_imb = 0;
++ rt2x00_warn(rt2x00dev, "RXIQ calibration FAIL");
++ }
++ }
++ else {
++ g_imb = 0;
++ ph_rx = 0;
++ rt2x00_dbg(rt2x00dev, "RXIQ Sigma_i=%d, Sigma_q=%d, R_iq=%d\n", sigma_i, sigma_q, r_iq);
++ rt2x00_warn(rt2x00dev, "RXIQ calibration FAIL");
++ }
++
++ if (ch_idx == 0) {
++ rt2800_bbp_write(rt2x00dev, 158, 0x37);
++ rt2800_bbp_write(rt2x00dev, 159, g_imb & 0x3f);
++ rt2800_bbp_write(rt2x00dev, 158, 0x35);
++ rt2800_bbp_write(rt2x00dev, 159, ph_rx & 0x3f);
++ } else {
++ rt2800_bbp_write(rt2x00dev, 158, 0x55);
++ rt2800_bbp_write(rt2x00dev, 159, g_imb & 0x3f);
++ rt2800_bbp_write(rt2x00dev, 158, 0x53);
++ rt2800_bbp_write(rt2x00dev, 159, ph_rx & 0x3f);
++ }
++ }
++
++restore_value:
++ rt2800_bbp_write(rt2x00dev, 158, 0x3);
++ bbpval = rt2800_bbp_read(rt2x00dev, 159);
++ rt2800_bbp_write(rt2x00dev, 159, (bbpval | 0x07));
++
++ rt2800_bbp_write(rt2x00dev, 158, 0x00);
++ rt2800_bbp_write(rt2x00dev, 159, 0x00);
++ rt2800_bbp_write(rt2x00dev, 1, bbp1);
++ rt2800_bbp_write(rt2x00dev, 4, bbp4);
++ rt2800_bbp_write(rt2x00dev, 241, bbpr241);
++ rt2800_bbp_write(rt2x00dev, 242, bbpr242);
++
++ rt2800_bbp_write(rt2x00dev, 244, 0x00);
++ bbpval = rt2800_bbp_read(rt2x00dev, 21);
++ bbpval |= 0x1;
++ rt2800_bbp_write(rt2x00dev, 21, bbpval);
++ usleep_range(10, 200);
++ bbpval &= 0xfe;
++ rt2800_bbp_write(rt2x00dev, 21, bbpval);
++
++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, rfb0r1);
++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfb0r2);
++ rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfb0r42);
++
++ rt2800_rfcsr_write_bank(rt2x00dev, 4, 0, rfb4r0);
++ rt2800_rfcsr_write_bank(rt2x00dev, 4, 19, rfb4r19);
++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, rfb5r3);
++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, rfb5r4);
++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, rfb5r17);
++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, rfb5r18);
++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, rfb5r19);
++ rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, rfb5r20);
++
++ rt2800_rfcsr_write_bank(rt2x00dev, 6, 0, rfb6r0);
++ rt2800_rfcsr_write_bank(rt2x00dev, 6, 19, rfb6r19);
++ rt2800_rfcsr_write_bank(rt2x00dev, 7, 3, rfb7r3);
++ rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, rfb7r4);
++ rt2800_rfcsr_write_bank(rt2x00dev, 7, 17, rfb7r17);
++ rt2800_rfcsr_write_bank(rt2x00dev, 7, 18, rfb7r18);
++ rt2800_rfcsr_write_bank(rt2x00dev, 7, 19, rfb7r19);
++ rt2800_rfcsr_write_bank(rt2x00dev, 7, 20, rfb7r20);
++
++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000006);
++ udelay(1);
++ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004);
++ udelay(1);
++ rt2800_register_write(rt2x00dev, RF_CONTROL0, orig_RF_CONTROL0);
++ udelay(1);
++ rt2800_register_write(rt2x00dev, RF_BYPASS0, orig_RF_BYPASS0);
++ rt2800_register_write(rt2x00dev, RF_CONTROL1, orig_RF_CONTROL1);
++ rt2800_register_write(rt2x00dev, RF_BYPASS1, orig_RF_BYPASS1);
++ rt2800_register_write(rt2x00dev, RF_CONTROL3, orig_RF_CONTROL3);
++ rt2800_register_write(rt2x00dev, RF_BYPASS3, orig_RF_BYPASS3);
++ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl);
++}
++
+ static void rt2800_bbp_core_soft_reset(struct rt2x00_dev *rt2x00dev,
+ bool set_bw, bool is_ht40)
+ {
+@@ -9313,6 +9691,7 @@ static void rt2800_init_rfcsr_6352(struc
+ rt2800_rxdcoc_calibration(rt2x00dev);
+ rt2800_bw_filter_calibration(rt2x00dev, true);
+ rt2800_bw_filter_calibration(rt2x00dev, false);
++ rt2800_rxiq_calibration(rt2x00dev);
+ }
+
+ static void rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
+++ /dev/null
---- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
-+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
-@@ -8701,6 +8701,384 @@ static void rt2800_rxdcoc_calibration(st
- rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, saverfb0r2);
- }
-
-+static u32 rt2800_do_sqrt_accumulation(u32 si) {
-+ u32 root, root_pre, bit;
-+ char i;
-+ bit = 1 << 15;
-+ root = 0;
-+ for (i = 15; i >= 0; i = i - 1) {
-+ root_pre = root + bit;
-+ if ((root_pre*root_pre) <= si)
-+ root = root_pre;
-+ bit = bit >> 1;
-+ }
-+
-+ return root;
-+}
-+
-+static void rt2800_rxiq_calibration(struct rt2x00_dev *rt2x00dev) {
-+ u8 rfb0r1, rfb0r2, rfb0r42;
-+ u8 rfb4r0, rfb4r19;
-+ u8 rfb5r3, rfb5r4, rfb5r17, rfb5r18, rfb5r19, rfb5r20;
-+ u8 rfb6r0, rfb6r19;
-+ u8 rfb7r3, rfb7r4, rfb7r17, rfb7r18, rfb7r19, rfb7r20;
-+
-+ u8 bbp1, bbp4;
-+ u8 bbpr241, bbpr242;
-+ u32 i;
-+ u8 ch_idx;
-+ u8 bbpval;
-+ u8 rfval, vga_idx = 0;
-+ int mi = 0, mq = 0, si = 0, sq = 0, riq = 0;
-+ int sigma_i, sigma_q, r_iq, g_rx;
-+ int g_imb;
-+ int ph_rx;
-+ u32 savemacsysctrl = 0;
-+ u32 orig_RF_CONTROL0 = 0;
-+ u32 orig_RF_BYPASS0 = 0;
-+ u32 orig_RF_CONTROL1 = 0;
-+ u32 orig_RF_BYPASS1 = 0;
-+ u32 orig_RF_CONTROL3 = 0;
-+ u32 orig_RF_BYPASS3 = 0;
-+ u32 macstatus, bbpval1 = 0;
-+ u8 rf_vga_table[] = {0x20, 0x21, 0x22, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f};
-+
-+ savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
-+ orig_RF_CONTROL0 = rt2800_register_read(rt2x00dev, RF_CONTROL0);
-+ orig_RF_BYPASS0 = rt2800_register_read(rt2x00dev, RF_BYPASS0);
-+ orig_RF_CONTROL1 = rt2800_register_read(rt2x00dev, RF_CONTROL1);
-+ orig_RF_BYPASS1 = rt2800_register_read(rt2x00dev, RF_BYPASS1);
-+ orig_RF_CONTROL3 = rt2800_register_read(rt2x00dev, RF_CONTROL3);
-+ orig_RF_BYPASS3 = rt2800_register_read(rt2x00dev, RF_BYPASS3);
-+
-+ bbp1 = rt2800_bbp_read(rt2x00dev, 1);
-+ bbp4 = rt2800_bbp_read(rt2x00dev, 4);
-+
-+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x0);
-+
-+ for (i = 0; i < 10000; i++) {
-+ macstatus = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG);
-+ if (macstatus & 0x3)
-+ udelay(50);
-+ else
-+ break;
-+ }
-+
-+ if (i == 10000)
-+ rt2x00_warn(rt2x00dev, "Wait MAC Status to MAX !!!\n");
-+
-+ bbpval = bbp4 & (~0x18);
-+ bbpval = bbp4 | 0x00;
-+ rt2800_bbp_write(rt2x00dev, 4, bbpval);
-+
-+ bbpval = rt2800_bbp_read(rt2x00dev, 21);
-+ bbpval = bbpval | 1;
-+ rt2800_bbp_write(rt2x00dev, 21, bbpval);
-+ bbpval = bbpval & 0xfe;
-+ rt2800_bbp_write(rt2x00dev, 21, bbpval);
-+
-+ rt2800_register_write(rt2x00dev, RF_CONTROL1, 0x00000202);
-+ rt2800_register_write(rt2x00dev, RF_BYPASS1, 0x00000303);
-+ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags))
-+ rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x0101);
-+ else
-+ rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x0000);
-+
-+ rt2800_register_write(rt2x00dev, RF_BYPASS3, 0xf1f1);
-+
-+ rfb0r1 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1);
-+ rfb0r2 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2);
-+ rfb0r42 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 42);
-+ rfb4r0 = rt2800_rfcsr_read_bank(rt2x00dev, 4, 0);
-+ rfb4r19 = rt2800_rfcsr_read_bank(rt2x00dev, 4, 19);
-+ rfb5r3 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3);
-+ rfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4);
-+ rfb5r17 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17);
-+ rfb5r18 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18);
-+ rfb5r19 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19);
-+ rfb5r20 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20);
-+
-+ rfb6r0 = rt2800_rfcsr_read_bank(rt2x00dev, 6, 0);
-+ rfb6r19 = rt2800_rfcsr_read_bank(rt2x00dev, 6, 19);
-+ rfb7r3 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 3);
-+ rfb7r4 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 4);
-+ rfb7r17 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 17);
-+ rfb7r18 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 18);
-+ rfb7r19 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 19);
-+ rfb7r20 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 20);
-+
-+ rt2800_rfcsr_write_chanreg(rt2x00dev, 0, 0x87);
-+ rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0x27);
-+ rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x38);
-+ rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x38);
-+ rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x80);
-+ rt2800_rfcsr_write_dccal(rt2x00dev, 18, 0xC1);
-+ rt2800_rfcsr_write_dccal(rt2x00dev, 19, 0x60);
-+ rt2800_rfcsr_write_dccal(rt2x00dev, 20, 0x00);
-+
-+ rt2800_bbp_write(rt2x00dev, 23, 0x0);
-+ rt2800_bbp_write(rt2x00dev, 24, 0x0);
-+
-+ rt2800_bbp_dcoc_write(rt2x00dev, 5, 0x0);
-+
-+ bbpr241 = rt2800_bbp_read(rt2x00dev, 241);
-+ bbpr242 = rt2800_bbp_read(rt2x00dev, 242);
-+
-+ rt2800_bbp_write(rt2x00dev, 241, 0x10);
-+ rt2800_bbp_write(rt2x00dev, 242, 0x84);
-+ rt2800_bbp_write(rt2x00dev, 244, 0x31);
-+
-+ bbpval = rt2800_bbp_dcoc_read(rt2x00dev, 3);
-+ bbpval = bbpval & (~0x7);
-+ rt2800_bbp_dcoc_write(rt2x00dev, 3, bbpval);
-+
-+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004);
-+ udelay(1);
-+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000006);
-+ usleep_range(1, 200);
-+ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00003376);
-+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001006);
-+ udelay(1);
-+ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) {
-+ rt2800_bbp_write(rt2x00dev, 23, 0x06);
-+ rt2800_bbp_write(rt2x00dev, 24, 0x06);
-+ } else {
-+ rt2800_bbp_write(rt2x00dev, 23, 0x02);
-+ rt2800_bbp_write(rt2x00dev, 24, 0x02);
-+ }
-+
-+ for (ch_idx = 0; ch_idx < 2; ch_idx = ch_idx + 1) {
-+ if (ch_idx == 0) {
-+ rfval = rfb0r1 & (~0x3);
-+ rfval = rfb0r1 | 0x1;
-+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, rfval);
-+ rfval = rfb0r2 & (~0x33);
-+ rfval = rfb0r2 | 0x11;
-+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfval);
-+ rfval = rfb0r42 & (~0x50);
-+ rfval = rfb0r42 | 0x10;
-+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfval);
-+
-+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001006);
-+ udelay(1);
-+
-+ bbpval = bbp1 & (~ 0x18);
-+ bbpval = bbpval | 0x00;
-+ rt2800_bbp_write(rt2x00dev, 1, bbpval);
-+
-+ rt2800_bbp_dcoc_write(rt2x00dev, 1, 0x00);
-+ } else {
-+ rfval = rfb0r1 & (~0x3);
-+ rfval = rfb0r1 | 0x2;
-+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, rfval);
-+ rfval = rfb0r2 & (~0x33);
-+ rfval = rfb0r2 | 0x22;
-+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfval);
-+ rfval = rfb0r42 & (~0x50);
-+ rfval = rfb0r42 | 0x40;
-+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfval);
-+
-+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00002006);
-+ udelay(1);
-+
-+ bbpval = bbp1 & (~ 0x18);
-+ bbpval = bbpval | 0x08;
-+ rt2800_bbp_write(rt2x00dev, 1, bbpval);
-+
-+ rt2800_bbp_dcoc_write(rt2x00dev, 1, 0x01);
-+ }
-+ udelay(500);
-+
-+ vga_idx = 0;
-+ while (vga_idx < 11) {
-+ rt2800_rfcsr_write_dccal(rt2x00dev, 3, rf_vga_table[vga_idx]);
-+ rt2800_rfcsr_write_dccal(rt2x00dev, 4, rf_vga_table[vga_idx]);
-+
-+ rt2800_bbp_dcoc_write(rt2x00dev, 0, 0x93);
-+
-+ for (i = 0; i < 10000; i++) {
-+ bbpval = rt2800_bbp_read(rt2x00dev, 159);
-+ if ((bbpval & 0xff) == 0x93)
-+ udelay(50);
-+ else
-+ break;
-+ }
-+
-+ if ((bbpval & 0xff) == 0x93) {
-+ rt2x00_warn(rt2x00dev, "Fatal Error: Calibration doesn't finish");
-+ goto restore_value;
-+ }
-+
-+ for (i = 0; i < 5; i++) {
-+ u32 bbptemp = 0;
-+ u8 value = 0;
-+ int result = 0;
-+
-+ rt2800_bbp_write(rt2x00dev, 158, 0x1e);
-+ rt2800_bbp_write(rt2x00dev, 159, i);
-+ rt2800_bbp_write(rt2x00dev, 158, 0x22);
-+ value = rt2800_bbp_read(rt2x00dev, 159);
-+ bbptemp = bbptemp + (value << 24);
-+ rt2800_bbp_write(rt2x00dev, 158, 0x21);
-+ value = rt2800_bbp_read(rt2x00dev, 159);
-+ bbptemp = bbptemp + (value << 16);
-+ rt2800_bbp_write(rt2x00dev, 158, 0x20);
-+ value = rt2800_bbp_read(rt2x00dev, 159);
-+ bbptemp = bbptemp + (value << 8);
-+ rt2800_bbp_write(rt2x00dev, 158, 0x1f);
-+ value = rt2800_bbp_read(rt2x00dev, 159);
-+ bbptemp = bbptemp + value;
-+
-+ if ((i < 2) && (bbptemp & 0x800000))
-+ result = (bbptemp & 0xffffff) - 0x1000000;
-+ else if (i == 4)
-+ result = bbptemp;
-+ else
-+ result = bbptemp;
-+
-+ if (i == 0)
-+ mi = result/4096;
-+ else if (i == 1)
-+ mq = result/4096;
-+ else if (i == 2)
-+ si = bbptemp/4096;
-+ else if (i == 3)
-+ sq = bbptemp/4096;
-+ else
-+ riq = result/4096;
-+ }
-+
-+ bbpval1 = si - mi*mi;
-+ rt2x00_dbg(rt2x00dev, "RXIQ si=%d, sq=%d, riq=%d, bbpval %d, vga_idx %d", si, sq, riq, bbpval1, vga_idx);
-+
-+ if (bbpval1 >= (100*100))
-+ break;
-+
-+ if (bbpval1 <= 100)
-+ vga_idx = vga_idx + 9;
-+ else if (bbpval1 <= 158)
-+ vga_idx = vga_idx + 8;
-+ else if (bbpval1 <= 251)
-+ vga_idx = vga_idx + 7;
-+ else if (bbpval1 <= 398)
-+ vga_idx = vga_idx + 6;
-+ else if (bbpval1 <= 630)
-+ vga_idx = vga_idx + 5;
-+ else if (bbpval1 <= 1000)
-+ vga_idx = vga_idx + 4;
-+ else if (bbpval1 <= 1584)
-+ vga_idx = vga_idx + 3;
-+ else if (bbpval1 <= 2511)
-+ vga_idx = vga_idx + 2;
-+ else
-+ vga_idx = vga_idx + 1;
-+ }
-+
-+ sigma_i = rt2800_do_sqrt_accumulation(100*(si - mi*mi));
-+ sigma_q = rt2800_do_sqrt_accumulation(100*(sq - mq*mq));
-+ r_iq = 10*(riq-(mi*mq));
-+
-+ rt2x00_dbg(rt2x00dev, "Sigma_i=%d, Sigma_q=%d, R_iq=%d", sigma_i, sigma_q, r_iq);
-+
-+ if (((sigma_i <= 1400 ) && (sigma_i >= 1000))
-+ && ((sigma_i - sigma_q) <= 112)
-+ && ((sigma_i - sigma_q) >= -112)
-+ && ((mi <= 32) && (mi >= -32))
-+ && ((mq <= 32) && (mq >= -32))) {
-+ r_iq = 10*(riq-(mi*mq));
-+ rt2x00_dbg(rt2x00dev, "RXIQ Sigma_i=%d, Sigma_q=%d, R_iq=%d\n", sigma_i, sigma_q, r_iq);
-+
-+ g_rx = (1000 * sigma_q) / sigma_i;
-+ g_imb = ((-2) * 128 * (1000 - g_rx)) / (1000 + g_rx);
-+ ph_rx = (r_iq * 2292) / (sigma_i * sigma_q);
-+ rt2x00_info(rt2x00dev, "RXIQ G_imb=%d, Ph_rx=%d\n", g_imb, ph_rx);
-+
-+ if ((ph_rx > 20) || (ph_rx < -20)) {
-+ ph_rx = 0;
-+ rt2x00_warn(rt2x00dev, "RXIQ calibration FAIL");
-+ }
-+
-+ if ((g_imb > 12) || (g_imb < -12)) {
-+ g_imb = 0;
-+ rt2x00_warn(rt2x00dev, "RXIQ calibration FAIL");
-+ }
-+ }
-+ else {
-+ g_imb = 0;
-+ ph_rx = 0;
-+ rt2x00_dbg(rt2x00dev, "RXIQ Sigma_i=%d, Sigma_q=%d, R_iq=%d\n", sigma_i, sigma_q, r_iq);
-+ rt2x00_warn(rt2x00dev, "RXIQ calibration FAIL");
-+ }
-+
-+ if (ch_idx == 0) {
-+ rt2800_bbp_write(rt2x00dev, 158, 0x37);
-+ rt2800_bbp_write(rt2x00dev, 159, g_imb & 0x3f);
-+ rt2800_bbp_write(rt2x00dev, 158, 0x35);
-+ rt2800_bbp_write(rt2x00dev, 159, ph_rx & 0x3f);
-+ } else {
-+ rt2800_bbp_write(rt2x00dev, 158, 0x55);
-+ rt2800_bbp_write(rt2x00dev, 159, g_imb & 0x3f);
-+ rt2800_bbp_write(rt2x00dev, 158, 0x53);
-+ rt2800_bbp_write(rt2x00dev, 159, ph_rx & 0x3f);
-+ }
-+ }
-+
-+restore_value:
-+ rt2800_bbp_write(rt2x00dev, 158, 0x3);
-+ bbpval = rt2800_bbp_read(rt2x00dev, 159);
-+ rt2800_bbp_write(rt2x00dev, 159, (bbpval | 0x07));
-+
-+ rt2800_bbp_write(rt2x00dev, 158, 0x00);
-+ rt2800_bbp_write(rt2x00dev, 159, 0x00);
-+ rt2800_bbp_write(rt2x00dev, 1, bbp1);
-+ rt2800_bbp_write(rt2x00dev, 4, bbp4);
-+ rt2800_bbp_write(rt2x00dev, 241, bbpr241);
-+ rt2800_bbp_write(rt2x00dev, 242, bbpr242);
-+
-+ rt2800_bbp_write(rt2x00dev, 244, 0x00);
-+ bbpval = rt2800_bbp_read(rt2x00dev, 21);
-+ bbpval |= 0x1;
-+ rt2800_bbp_write(rt2x00dev, 21, bbpval);
-+ usleep_range(10, 200);
-+ bbpval &= 0xfe;
-+ rt2800_bbp_write(rt2x00dev, 21, bbpval);
-+
-+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, rfb0r1);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfb0r2);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfb0r42);
-+
-+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 0, rfb4r0);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 19, rfb4r19);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, rfb5r3);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, rfb5r4);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, rfb5r17);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, rfb5r18);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, rfb5r19);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, rfb5r20);
-+
-+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 0, rfb6r0);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 19, rfb6r19);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 3, rfb7r3);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, rfb7r4);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 17, rfb7r17);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 18, rfb7r18);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 19, rfb7r19);
-+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 20, rfb7r20);
-+
-+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000006);
-+ udelay(1);
-+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004);
-+ udelay(1);
-+ rt2800_register_write(rt2x00dev, RF_CONTROL0, orig_RF_CONTROL0);
-+ udelay(1);
-+ rt2800_register_write(rt2x00dev, RF_BYPASS0, orig_RF_BYPASS0);
-+ rt2800_register_write(rt2x00dev, RF_CONTROL1, orig_RF_CONTROL1);
-+ rt2800_register_write(rt2x00dev, RF_BYPASS1, orig_RF_BYPASS1);
-+ rt2800_register_write(rt2x00dev, RF_CONTROL3, orig_RF_CONTROL3);
-+ rt2800_register_write(rt2x00dev, RF_BYPASS3, orig_RF_BYPASS3);
-+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl);
-+}
-+
- static void rt2800_bbp_core_soft_reset(struct rt2x00_dev *rt2x00dev,
- bool set_bw, bool is_ht40)
- {
-@@ -9313,6 +9691,7 @@ static void rt2800_init_rfcsr_6352(struc
- rt2800_rxdcoc_calibration(rt2x00dev);
- rt2800_bw_filter_calibration(rt2x00dev, true);
- rt2800_bw_filter_calibration(rt2x00dev, false);
-+ rt2800_rxiq_calibration(rt2x00dev);
- }
-
- static void rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
+From: =?UTF-8?q?Tomislav=20Po=C5=BEega?= <pozega.tomislav@gmail.com>
+Date: Thu, 11 Jan 2018 19:53:49 +0100
+Subject: [PATCH] rt2x00: add TX LOFT calibration
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Add TX LOFT calibration from mtk driver.
+
+Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
+---
+ .../net/wireless/ralink/rt2x00/rt2800lib.c | 938 ++++++++++++++++++
+ .../net/wireless/ralink/rt2x00/rt2800lib.h | 10 +
+ 2 files changed, 948 insertions(+)
+
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -9079,6 +9079,943 @@ restore_value:
+
+ if (vga_gain[ch_idx] < 0)
+ vga_gain[ch_idx] = 0;
-+ }
++ }
+
+ rfvalue = rfvga_gain_table[vga_gain[ch_idx]];
+
projects / openwrt / openwrt.git / commitdiff