| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c |
| 2 | +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c |
| 3 | @@ -8644,6 +8644,70 @@ static void rt2800_r_calibration(struct |
| 4 | rt2800_register_write(rt2x00dev, PWR_PIN_CFG, MAC_PWR_PIN_CFG); |
| 5 | } |
| 6 | |
| 7 | +static void rt2800_rxdcoc_calibration(struct rt2x00_dev *rt2x00dev) |
| 8 | +{ |
| 9 | + u8 bbpreg = 0; |
| 10 | + u32 macvalue = 0, macvalue1 = 0; |
| 11 | + u8 saverfb0r2, saverfb5r4, saverfb7r4, rfvalue; |
| 12 | + int i; |
| 13 | + |
| 14 | + saverfb0r2 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2); |
| 15 | + rfvalue = saverfb0r2; |
| 16 | + rfvalue |= 0x03; |
| 17 | + rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfvalue); |
| 18 | + |
| 19 | + rt2800_bbp_write(rt2x00dev, 158, 141); |
| 20 | + bbpreg = rt2800_bbp_read(rt2x00dev, 159); |
| 21 | + bbpreg |= 0x10; |
| 22 | + rt2800_bbp_write(rt2x00dev, 159, bbpreg); |
| 23 | + |
| 24 | + macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL); |
| 25 | + rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x8); |
| 26 | + |
| 27 | + for (i = 0; i < 10000; i++) { |
| 28 | + macvalue1 = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG); |
| 29 | + if (macvalue1 & 0x1) |
| 30 | + udelay(50); |
| 31 | + else |
| 32 | + break; |
| 33 | + } |
| 34 | + |
| 35 | + saverfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 0); |
| 36 | + saverfb7r4 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 4); |
| 37 | + saverfb5r4 = saverfb5r4 & (~0x40); |
| 38 | + saverfb7r4 = saverfb7r4 & (~0x40); |
| 39 | + rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x64); |
| 40 | + rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r4); |
| 41 | + rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, saverfb7r4); |
| 42 | + |
| 43 | + rt2800_bbp_write(rt2x00dev, 158, 141); |
| 44 | + bbpreg = rt2800_bbp_read(rt2x00dev, 159); |
| 45 | + bbpreg = bbpreg & (~0x40); |
| 46 | + rt2800_bbp_write(rt2x00dev, 159, bbpreg); |
| 47 | + bbpreg |= 0x48; |
| 48 | + rt2800_bbp_write(rt2x00dev, 159, bbpreg); |
| 49 | + |
| 50 | + for (i = 0; i < 10000; i++) { |
| 51 | + bbpreg = rt2800_bbp_read(rt2x00dev, 159); |
| 52 | + if ((bbpreg & 0x40)==0) |
| 53 | + break; |
| 54 | + udelay(50); |
| 55 | + } |
| 56 | + |
| 57 | + bbpreg = rt2800_bbp_read(rt2x00dev, 159); |
| 58 | + bbpreg = bbpreg & (~0x40); |
| 59 | + rt2800_bbp_write(rt2x00dev, 159, bbpreg); |
| 60 | + |
| 61 | + rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue); |
| 62 | + |
| 63 | + rt2800_bbp_write(rt2x00dev, 158, 141); |
| 64 | + bbpreg = rt2800_bbp_read(rt2x00dev, 159); |
| 65 | + bbpreg &= (~0x10); |
| 66 | + rt2800_bbp_write(rt2x00dev, 159, bbpreg); |
| 67 | + |
| 68 | + rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, saverfb0r2); |
| 69 | +} |
| 70 | + |
| 71 | static void rt2800_bbp_core_soft_reset(struct rt2x00_dev *rt2x00dev, |
| 72 | bool set_bw, bool is_ht40) |
| 73 | { |
| 74 | @@ -9253,6 +9317,7 @@ static void rt2800_init_rfcsr_6352(struc |
| 75 | |
| 76 | rt2800_r_calibration(rt2x00dev); |
| 77 | rt2800_rf_self_txdc_cal(rt2x00dev); |
| 78 | + rt2800_rxdcoc_calibration(rt2x00dev); |
| 79 | rt2800_bw_filter_calibration(rt2x00dev, true); |
| 80 | rt2800_bw_filter_calibration(rt2x00dev, false); |
| 81 | } |