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82 lines
2.4 KiB
Diff
82 lines
2.4 KiB
Diff
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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@@ -8621,6 +8621,70 @@ static void rt2800_r_calibration(struct
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rt2800_register_write(rt2x00dev, PWR_PIN_CFG, MAC_PWR_PIN_CFG);
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}
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+static void rt2800_rxdcoc_calibration(struct rt2x00_dev *rt2x00dev)
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+{
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+ u8 bbpreg = 0;
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+ u32 macvalue = 0, macvalue1 = 0;
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+ u8 saverfb0r2, saverfb5r4, saverfb7r4, rfvalue;
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+ int i;
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+
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+ saverfb0r2 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2);
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+ rfvalue = saverfb0r2;
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+ rfvalue |= 0x03;
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+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfvalue);
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+
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+ rt2800_bbp_write(rt2x00dev, 158, 141);
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+ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
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+ bbpreg |= 0x10;
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+ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
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+
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+ macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
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+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x8);
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+
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+ for (i = 0; i < 10000; i++) {
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+ macvalue1 = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG);
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+ if (macvalue1 & 0x1)
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+ udelay(50);
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+ else
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+ break;
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+ }
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+
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+ saverfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 0);
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+ saverfb7r4 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 4);
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+ saverfb5r4 = saverfb5r4 & (~0x40);
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+ saverfb7r4 = saverfb7r4 & (~0x40);
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+ rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x64);
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+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r4);
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+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, saverfb7r4);
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+
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+ rt2800_bbp_write(rt2x00dev, 158, 141);
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+ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
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+ bbpreg = bbpreg & (~0x40);
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+ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
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+ bbpreg |= 0x48;
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+ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
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+
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+ for (i = 0; i < 10000; i++) {
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+ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
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+ if ((bbpreg & 0x40)==0)
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+ break;
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+ udelay(50);
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+ }
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+
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+ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
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+ bbpreg = bbpreg & (~0x40);
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+ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
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+
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+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue);
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+
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+ rt2800_bbp_write(rt2x00dev, 158, 141);
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+ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
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+ bbpreg &= (~0x10);
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+ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
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+
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+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, saverfb0r2);
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+}
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+
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static void rt2800_bbp_core_soft_reset(struct rt2x00_dev *rt2x00dev,
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bool set_bw, bool is_ht40)
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{
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@@ -9230,6 +9294,7 @@ static void rt2800_init_rfcsr_6352(struc
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rt2800_r_calibration(rt2x00dev);
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rt2800_rf_self_txdc_cal(rt2x00dev);
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+ rt2800_rxdcoc_calibration(rt2x00dev);
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rt2800_bw_filter_calibration(rt2x00dev, true);
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rt2800_bw_filter_calibration(rt2x00dev, false);
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}
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