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openwrt/package/kernel/mac80211/patches/rt2x00/983-rt2x00-add-r-calibration.patch

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mac80211: rt2x00: add r calibration Add r calibration code as found in mtk driver. Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
2018-01-08 12:42:58 +00:00
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
mac80211: Update to version 5.3-rc4-1 The removed patches were applied upstream. The type of the RT2X00_LIB_EEPROM config option was changed to bool, because boolean is an invalid value and the new kconfig system complained about this. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2019-08-03 10:30:38 +00:00
@@ -8469,6 +8469,160 @@ void rt2800_rf_self_txdc_cal(struct rt2x
mac80211: rt2x00: add r calibration Add r calibration code as found in mtk driver. Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
2018-01-08 12:42:58 +00:00
}
EXPORT_SYMBOL_GPL(rt2800_rf_self_txdc_cal);
+int rt2800_calcrcalibrationcode(struct rt2x00_dev *rt2x00dev, int d1, int d2)
+{
+ int calcode;
+ calcode = ((d2 - d1) * 1000) / 43;
+ if ((calcode%10) >= 5)
+ calcode += 10;
+ calcode = (calcode / 10);
+
+ return calcode;
+}
+EXPORT_SYMBOL_GPL(rt2800_calcrcalibrationcode);
+
+void rt2800_r_calibration(struct rt2x00_dev *rt2x00dev)
+{
+ u32 savemacsysctrl;
+ u8 saverfb0r1, saverfb0r34, saverfb0r35;
+ u8 saverfb5r4, saverfb5r17, saverfb5r18;
+ u8 saverfb5r19, saverfb5r20;
+ u8 savebbpr22, savebbpr47, savebbpr49;
+ u8 bytevalue = 0;
+ int rcalcode;
+ u8 r_cal_code = 0;
+ char d1 = 0, d2 = 0;
+ u8 rfvalue;
+ u32 MAC_RF_BYPASS0, MAC_RF_CONTROL0, MAC_PWR_PIN_CFG;
+
+ saverfb0r1 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1);
+ saverfb0r34 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 34);
+ saverfb0r35 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 35);
+ saverfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4);
+ saverfb5r17 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17);
+ saverfb5r18 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18);
+ saverfb5r19 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19);
+ saverfb5r20 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20);
+
+ savebbpr22 = rt2800_bbp_read(rt2x00dev, 22);
+ savebbpr47 = rt2800_bbp_read(rt2x00dev, 47);
+ savebbpr49 = rt2800_bbp_read(rt2x00dev, 49);
+
+ savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
+ MAC_RF_BYPASS0 = rt2800_register_read(rt2x00dev, RF_BYPASS0);
+ MAC_RF_CONTROL0 = rt2800_register_read(rt2x00dev, RF_CONTROL0);
+ MAC_PWR_PIN_CFG = rt2800_register_read(rt2x00dev, PWR_PIN_CFG);
+
+ {
+ u32 maccfg, macstatus;
+ int i;
+
+ maccfg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
+ maccfg &= (~0x04);
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, maccfg);
+
+ for (i = 0; i < 10000; i++) {
+ macstatus = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG);
+ if (macstatus & 0x1)
+ udelay(50);
+ else
+ break;
+ }
+
+ if (i == 10000)
+ rt2x00_warn(rt2x00dev, "Wait MAC Tx Status to MAX !!!\n");
+
+ maccfg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
+ maccfg &= (~0x04);
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, maccfg);
+
+ for (i = 0; i < 10000; i++) {
+ macstatus = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG);
+ if (macstatus & 0x2)
+ udelay(50);
+ else
+ break;
+ }
+
+ if (i == 10000)
+ rt2x00_warn(rt2x00dev, "Wait MAC Rx Status to MAX !!!\n");
+ }
+
+ rfvalue = (MAC_RF_BYPASS0 | 0x3004);
+ rt2800_register_write(rt2x00dev, RF_BYPASS0, rfvalue);
+ rfvalue = (MAC_RF_CONTROL0 | (~0x3002));
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, rfvalue);
+
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, 0x27);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, 0x80);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, 0x83);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, 0x00);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, 0x20);
+
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, 0x00);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 34, 0x13);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x00);
+
+ rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x1);
+
+ rt2800_bbp_write(rt2x00dev, 47, 0x04);
+ rt2800_bbp_write(rt2x00dev, 22, 0x80);
+ udelay(100);
+ bytevalue = rt2800_bbp_read(rt2x00dev, 49);
+ if (bytevalue > 128)
+ d1 = bytevalue - 256;
+ else
+ d1 = (char)bytevalue;
+ rt2800_bbp_write(rt2x00dev, 22, 0x0);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x01);
+
+ rt2800_bbp_write(rt2x00dev, 22, 0x80);
+ udelay(100);
+ bytevalue = rt2800_bbp_read(rt2x00dev, 49);
+ if (bytevalue > 128)
+ d2 = bytevalue - 256;
+ else
+ d2 = (char)bytevalue;
+ rt2800_bbp_write(rt2x00dev, 22, 0x0);
+
+ rcalcode = rt2800_calcrcalibrationcode(rt2x00dev, d1, d2);
+ if (rcalcode < 0)
+ r_cal_code = 256 + rcalcode;
+ else
+ r_cal_code = (u8)rcalcode;
+
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 7, r_cal_code);
+
+ rt2800_bbp_write(rt2x00dev, 22, 0x0);
+
+ bytevalue = rt2800_bbp_read(rt2x00dev, 21);
+ bytevalue |= 0x1;
+ rt2800_bbp_write(rt2x00dev, 21, bytevalue);
+ bytevalue = rt2800_bbp_read(rt2x00dev, 21);
+ bytevalue &= (~0x1);
+ rt2800_bbp_write(rt2x00dev, 21, bytevalue);
+
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, saverfb0r1);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 34, saverfb0r34);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, saverfb0r35);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r4);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, saverfb5r17);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, saverfb5r18);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, saverfb5r19);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, saverfb5r20);
+
+ rt2800_bbp_write(rt2x00dev, 22, savebbpr22);
+ rt2800_bbp_write(rt2x00dev, 47, savebbpr47);
+ rt2800_bbp_write(rt2x00dev, 49, savebbpr49);
+
+ rt2800_register_write(rt2x00dev, RF_BYPASS0, MAC_RF_BYPASS0);
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, MAC_RF_CONTROL0);
+
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl);
+ rt2800_register_write(rt2x00dev, PWR_PIN_CFG, MAC_PWR_PIN_CFG);
+}
+EXPORT_SYMBOL_GPL(rt2800_r_calibration);
+
static void rt2800_bbp_core_soft_reset(struct rt2x00_dev *rt2x00dev,
bool set_bw, bool is_ht40)
{
mac80211: Update to version 5.3-rc4-1 The removed patches were applied upstream. The type of the RT2X00_LIB_EEPROM config option was changed to bool, because boolean is an invalid value and the new kconfig system complained about this. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2019-08-03 10:30:38 +00:00
@@ -9076,6 +9230,7 @@ static void rt2800_init_rfcsr_6352(struc
mac80211: rt2x00: add r calibration Add r calibration code as found in mtk driver. Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
2018-01-08 12:42:58 +00:00
rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00);
rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x7C);
+ rt2800_r_calibration(rt2x00dev);
rt2800_rf_self_txdc_cal(rt2x00dev);
rt2800_bw_filter_calibration(rt2x00dev, true);
rt2800_bw_filter_calibration(rt2x00dev, false);
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
mac80211: Update to version 5.3-rc4-1 The removed patches were applied upstream. The type of the RT2X00_LIB_EEPROM config option was changed to bool, because boolean is an invalid value and the new kconfig system complained about this. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2019-08-03 10:30:38 +00:00
@@ -243,6 +243,8 @@ void rt2800_link_tuner(struct rt2x00_dev
mac80211: rt2x00: add r calibration Add r calibration code as found in mtk driver. Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
2018-01-08 12:42:58 +00:00
void rt2800_gain_calibration(struct rt2x00_dev *rt2x00dev);
void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev);
void rt2800_rf_self_txdc_cal(struct rt2x00_dev *rt2x00dev);
+int rt2800_calcrcalibrationcode(struct rt2x00_dev *rt2x00dev, int d1, int d2);
+void rt2800_r_calibration(struct rt2x00_dev *rt2x00dev);
int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev);
void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev);
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
mac80211: Update to version 5.3-rc4-1 The removed patches were applied upstream. The type of the RT2X00_LIB_EEPROM config option was changed to bool, because boolean is an invalid value and the new kconfig system complained about this. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2019-08-03 10:30:38 +00:00
@@ -564,6 +564,8 @@ struct rt2x00lib_ops {
mac80211: rt2x00: add r calibration Add r calibration code as found in mtk driver. Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
2018-01-08 12:42:58 +00:00
void (*gain_calibration) (struct rt2x00_dev *rt2x00dev);
void (*vco_calibration) (struct rt2x00_dev *rt2x00dev);
void (*rf_self_txdc_cal) (struct rt2x00_dev *rt2x00dev);
+ int (*calcrcalibrationcode) (struct rt2x00_dev *rt2x00dev, int d1, int d2);
+ void (*r_calibration) (struct rt2x00_dev *rt2x00dev);
/*
* Data queue handlers.
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