1218 lines
38 KiB
C
1218 lines
38 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright(c) 2009-2014 Realtek Corporation.*/
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#include "../wifi.h"
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#include "../base.h"
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#include "../pci.h"
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#include "../core.h"
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#include "reg.h"
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#include "def.h"
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#include "phy.h"
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#include "dm.h"
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#include "fw.h"
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#include "trx.h"
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static const u32 ofdmswing_table[OFDM_TABLE_SIZE] = {
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0x7f8001fe, /* 0, +6.0dB */
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0x788001e2, /* 1, +5.5dB */
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0x71c001c7, /* 2, +5.0dB */
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0x6b8001ae, /* 3, +4.5dB */
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0x65400195, /* 4, +4.0dB */
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0x5fc0017f, /* 5, +3.5dB */
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0x5a400169, /* 6, +3.0dB */
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0x55400155, /* 7, +2.5dB */
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0x50800142, /* 8, +2.0dB */
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0x4c000130, /* 9, +1.5dB */
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0x47c0011f, /* 10, +1.0dB */
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0x43c0010f, /* 11, +0.5dB */
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0x40000100, /* 12, +0dB */
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0x3c8000f2, /* 13, -0.5dB */
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0x390000e4, /* 14, -1.0dB */
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0x35c000d7, /* 15, -1.5dB */
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0x32c000cb, /* 16, -2.0dB */
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0x300000c0, /* 17, -2.5dB */
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0x2d4000b5, /* 18, -3.0dB */
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0x2ac000ab, /* 19, -3.5dB */
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0x288000a2, /* 20, -4.0dB */
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0x26000098, /* 21, -4.5dB */
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0x24000090, /* 22, -5.0dB */
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0x22000088, /* 23, -5.5dB */
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0x20000080, /* 24, -6.0dB */
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0x1e400079, /* 25, -6.5dB */
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0x1c800072, /* 26, -7.0dB */
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0x1b00006c, /* 27. -7.5dB */
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0x19800066, /* 28, -8.0dB */
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0x18000060, /* 29, -8.5dB */
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0x16c0005b, /* 30, -9.0dB */
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0x15800056, /* 31, -9.5dB */
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0x14400051, /* 32, -10.0dB */
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0x1300004c, /* 33, -10.5dB */
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0x12000048, /* 34, -11.0dB */
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0x11000044, /* 35, -11.5dB */
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0x10000040, /* 36, -12.0dB */
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0x0f00003c, /* 37, -12.5dB */
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0x0e400039, /* 38, -13.0dB */
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0x0d800036, /* 39, -13.5dB */
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0x0cc00033, /* 40, -14.0dB */
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0x0c000030, /* 41, -14.5dB */
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0x0b40002d, /* 42, -15.0dB */
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};
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static const u8 cckswing_table_ch1ch13[CCK_TABLE_SIZE][8] = {
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{0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04}, /* 0, +0dB */
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{0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04}, /* 1, -0.5dB */
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{0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03}, /* 2, -1.0dB */
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{0x2d, 0x2d, 0x27, 0x1f, 0x18, 0x0f, 0x08, 0x03}, /* 3, -1.5dB */
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{0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03}, /* 4, -2.0dB */
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{0x28, 0x28, 0x22, 0x1c, 0x15, 0x0d, 0x07, 0x03}, /* 5, -2.5dB */
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{0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03}, /* 6, -3.0dB */
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{0x24, 0x23, 0x1f, 0x19, 0x13, 0x0c, 0x06, 0x03}, /* 7, -3.5dB */
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{0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02}, /* 8, -4.0dB */
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{0x20, 0x20, 0x1b, 0x16, 0x11, 0x08, 0x05, 0x02}, /* 9, -4.5dB */
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{0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02}, /* 10, -5.0dB */
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{0x1d, 0x1c, 0x18, 0x14, 0x0f, 0x0a, 0x05, 0x02}, /* 11, -5.5dB */
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{0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02}, /* 12, -6.0dB */
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{0x1a, 0x19, 0x16, 0x12, 0x0d, 0x09, 0x04, 0x02}, /* 13, -6.5dB */
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{0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02}, /* 14, -7.0dB */
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{0x17, 0x16, 0x13, 0x10, 0x0c, 0x08, 0x04, 0x02}, /* 15, -7.5dB */
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{0x16, 0x15, 0x12, 0x0f, 0x0b, 0x07, 0x04, 0x01}, /* 16, -8.0dB */
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{0x14, 0x14, 0x11, 0x0e, 0x0b, 0x07, 0x03, 0x02}, /* 17, -8.5dB */
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{0x13, 0x13, 0x10, 0x0d, 0x0a, 0x06, 0x03, 0x01}, /* 18, -9.0dB */
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{0x12, 0x12, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, /* 19, -9.5dB */
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{0x11, 0x11, 0x0f, 0x0c, 0x09, 0x06, 0x03, 0x01}, /* 20, -10.0dB */
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{0x10, 0x10, 0x0e, 0x0b, 0x08, 0x05, 0x03, 0x01}, /* 21, -10.5dB */
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{0x0f, 0x0f, 0x0d, 0x0b, 0x08, 0x05, 0x03, 0x01}, /* 22, -11.0dB */
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{0x0e, 0x0e, 0x0c, 0x0a, 0x08, 0x05, 0x02, 0x01}, /* 23, -11.5dB */
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{0x0d, 0x0d, 0x0c, 0x0a, 0x07, 0x05, 0x02, 0x01}, /* 24, -12.0dB */
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{0x0d, 0x0c, 0x0b, 0x09, 0x07, 0x04, 0x02, 0x01}, /* 25, -12.5dB */
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{0x0c, 0x0c, 0x0a, 0x09, 0x06, 0x04, 0x02, 0x01}, /* 26, -13.0dB */
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{0x0b, 0x0b, 0x0a, 0x08, 0x06, 0x04, 0x02, 0x01}, /* 27, -13.5dB */
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{0x0b, 0x0a, 0x09, 0x08, 0x06, 0x04, 0x02, 0x01}, /* 28, -14.0dB */
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{0x0a, 0x0a, 0x09, 0x07, 0x05, 0x03, 0x02, 0x01}, /* 29, -14.5dB */
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{0x0a, 0x09, 0x08, 0x07, 0x05, 0x03, 0x02, 0x01}, /* 30, -15.0dB */
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{0x09, 0x09, 0x08, 0x06, 0x05, 0x03, 0x01, 0x01}, /* 31, -15.5dB */
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{0x09, 0x08, 0x07, 0x06, 0x04, 0x03, 0x01, 0x01} /* 32, -16.0dB */
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};
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static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = {
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{0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00}, /* 0, +0dB */
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{0x33, 0x32, 0x2b, 0x19, 0x00, 0x00, 0x00, 0x00}, /* 1, -0.5dB */
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{0x30, 0x2f, 0x29, 0x18, 0x00, 0x00, 0x00, 0x00}, /* 2, -1.0dB */
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{0x2d, 0x2d, 0x17, 0x17, 0x00, 0x00, 0x00, 0x00}, /* 3, -1.5dB */
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{0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00}, /* 4, -2.0dB */
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{0x28, 0x28, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00}, /* 5, -2.5dB */
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{0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00}, /* 6, -3.0dB */
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{0x24, 0x23, 0x1f, 0x12, 0x00, 0x00, 0x00, 0x00}, /* 7, -3.5dB */
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{0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00}, /* 8, -4.0dB */
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{0x20, 0x20, 0x1b, 0x10, 0x00, 0x00, 0x00, 0x00}, /* 9, -4.5dB */
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{0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00}, /* 10, -5.0dB */
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{0x1d, 0x1c, 0x18, 0x0e, 0x00, 0x00, 0x00, 0x00}, /* 11, -5.5dB */
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{0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00}, /* 12, -6.0dB */
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{0x1a, 0x19, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00}, /* 13, -6.5dB */
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{0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00}, /* 14, -7.0dB */
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{0x17, 0x16, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x00}, /* 15, -7.5dB */
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{0x16, 0x15, 0x12, 0x0b, 0x00, 0x00, 0x00, 0x00}, /* 16, -8.0dB */
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{0x14, 0x14, 0x11, 0x0a, 0x00, 0x00, 0x00, 0x00}, /* 17, -8.5dB */
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{0x13, 0x13, 0x10, 0x0a, 0x00, 0x00, 0x00, 0x00}, /* 18, -9.0dB */
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{0x12, 0x12, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, /* 19, -9.5dB */
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{0x11, 0x11, 0x0f, 0x09, 0x00, 0x00, 0x00, 0x00}, /* 20, -10.0dB */
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{0x10, 0x10, 0x0e, 0x08, 0x00, 0x00, 0x00, 0x00}, /* 21, -10.5dB */
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{0x0f, 0x0f, 0x0d, 0x08, 0x00, 0x00, 0x00, 0x00}, /* 22, -11.0dB */
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{0x0e, 0x0e, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00}, /* 23, -11.5dB */
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{0x0d, 0x0d, 0x0c, 0x07, 0x00, 0x00, 0x00, 0x00}, /* 24, -12.0dB */
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{0x0d, 0x0c, 0x0b, 0x06, 0x00, 0x00, 0x00, 0x00}, /* 25, -12.5dB */
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{0x0c, 0x0c, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00}, /* 26, -13.0dB */
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{0x0b, 0x0b, 0x0a, 0x06, 0x00, 0x00, 0x00, 0x00}, /* 27, -13.5dB */
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{0x0b, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 28, -14.0dB */
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{0x0a, 0x0a, 0x09, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 29, -14.5dB */
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{0x0a, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 30, -15.0dB */
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{0x09, 0x09, 0x08, 0x05, 0x00, 0x00, 0x00, 0x00}, /* 31, -15.5dB */
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{0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00} /* 32, -16.0dB */
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};
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static void rtl92ee_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
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{
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u32 ret_value;
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct false_alarm_statistics *falsealm_cnt = &rtlpriv->falsealm_cnt;
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rtl_set_bbreg(hw, DM_REG_OFDM_FA_HOLDC_11N, BIT(31), 1);
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rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(31), 1);
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ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE1_11N, MASKDWORD);
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falsealm_cnt->cnt_fast_fsync_fail = (ret_value & 0xffff);
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falsealm_cnt->cnt_sb_search_fail = ((ret_value & 0xffff0000) >> 16);
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ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE2_11N, MASKDWORD);
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falsealm_cnt->cnt_ofdm_cca = (ret_value & 0xffff);
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falsealm_cnt->cnt_parity_fail = ((ret_value & 0xffff0000) >> 16);
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ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE3_11N, MASKDWORD);
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falsealm_cnt->cnt_rate_illegal = (ret_value & 0xffff);
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falsealm_cnt->cnt_crc8_fail = ((ret_value & 0xffff0000) >> 16);
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ret_value = rtl_get_bbreg(hw, DM_REG_OFDM_FA_TYPE4_11N, MASKDWORD);
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falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
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falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
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falsealm_cnt->cnt_rate_illegal +
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falsealm_cnt->cnt_crc8_fail +
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falsealm_cnt->cnt_mcs_fail +
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falsealm_cnt->cnt_fast_fsync_fail +
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falsealm_cnt->cnt_sb_search_fail;
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ret_value = rtl_get_bbreg(hw, DM_REG_SC_CNT_11N, MASKDWORD);
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falsealm_cnt->cnt_bw_lsc = (ret_value & 0xffff);
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falsealm_cnt->cnt_bw_usc = ((ret_value & 0xffff0000) >> 16);
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rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(12), 1);
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rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(14), 1);
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ret_value = rtl_get_bbreg(hw, DM_REG_CCK_FA_LSB_11N, MASKBYTE0);
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falsealm_cnt->cnt_cck_fail = ret_value;
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ret_value = rtl_get_bbreg(hw, DM_REG_CCK_FA_MSB_11N, MASKBYTE3);
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falsealm_cnt->cnt_cck_fail += (ret_value & 0xff) << 8;
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ret_value = rtl_get_bbreg(hw, DM_REG_CCK_CCA_CNT_11N, MASKDWORD);
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falsealm_cnt->cnt_cck_cca = ((ret_value & 0xff) << 8) |
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((ret_value & 0xFF00) >> 8);
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falsealm_cnt->cnt_all = falsealm_cnt->cnt_fast_fsync_fail +
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falsealm_cnt->cnt_sb_search_fail +
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falsealm_cnt->cnt_parity_fail +
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falsealm_cnt->cnt_rate_illegal +
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falsealm_cnt->cnt_crc8_fail +
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falsealm_cnt->cnt_mcs_fail +
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falsealm_cnt->cnt_cck_fail;
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falsealm_cnt->cnt_cca_all = falsealm_cnt->cnt_ofdm_cca +
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falsealm_cnt->cnt_cck_cca;
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/*reset false alarm counter registers*/
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rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTC_11N, BIT(31), 1);
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rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTC_11N, BIT(31), 0);
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rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(27), 1);
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rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(27), 0);
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/*update ofdm counter*/
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rtl_set_bbreg(hw, DM_REG_OFDM_FA_HOLDC_11N, BIT(31), 0);
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rtl_set_bbreg(hw, DM_REG_OFDM_FA_RSTD_11N, BIT(31), 0);
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/*reset CCK CCA counter*/
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rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(13) | BIT(12), 0);
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rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(13) | BIT(12), 2);
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/*reset CCK FA counter*/
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rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(15) | BIT(14), 0);
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rtl_set_bbreg(hw, DM_REG_CCK_FA_RST_11N, BIT(15) | BIT(14), 2);
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RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
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"cnt_parity_fail = %d, cnt_rate_illegal = %d, cnt_crc8_fail = %d, cnt_mcs_fail = %d\n",
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falsealm_cnt->cnt_parity_fail,
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falsealm_cnt->cnt_rate_illegal,
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falsealm_cnt->cnt_crc8_fail, falsealm_cnt->cnt_mcs_fail);
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RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
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"cnt_ofdm_fail = %x, cnt_cck_fail = %x, cnt_all = %x\n",
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falsealm_cnt->cnt_ofdm_fail,
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falsealm_cnt->cnt_cck_fail, falsealm_cnt->cnt_all);
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}
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static void rtl92ee_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct dig_t *dm_dig = &rtlpriv->dm_digtable;
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u8 cur_cck_cca_thresh;
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if (rtlpriv->mac80211.link_state >= MAC80211_LINKED) {
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if (dm_dig->rssi_val_min > 25) {
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cur_cck_cca_thresh = 0xcd;
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} else if ((dm_dig->rssi_val_min <= 25) &&
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(dm_dig->rssi_val_min > 10)) {
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cur_cck_cca_thresh = 0x83;
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} else {
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if (rtlpriv->falsealm_cnt.cnt_cck_fail > 1000)
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cur_cck_cca_thresh = 0x83;
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else
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cur_cck_cca_thresh = 0x40;
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}
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} else {
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if (rtlpriv->falsealm_cnt.cnt_cck_fail > 1000)
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cur_cck_cca_thresh = 0x83;
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else
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cur_cck_cca_thresh = 0x40;
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}
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rtl92ee_dm_write_cck_cca_thres(hw, cur_cck_cca_thresh);
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}
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static void rtl92ee_dm_dig(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
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struct dig_t *dm_dig = &rtlpriv->dm_digtable;
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u8 dig_min_0, dig_maxofmin;
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bool bfirstconnect , bfirstdisconnect;
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u8 dm_dig_max, dm_dig_min;
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u8 current_igi = dm_dig->cur_igvalue;
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u8 offset;
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/* AP,BT */
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if (mac->act_scanning)
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return;
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dig_min_0 = dm_dig->dig_min_0;
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bfirstconnect = (mac->link_state >= MAC80211_LINKED) &&
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!dm_dig->media_connect_0;
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bfirstdisconnect = (mac->link_state < MAC80211_LINKED) &&
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dm_dig->media_connect_0;
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dm_dig_max = 0x5a;
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dm_dig_min = DM_DIG_MIN;
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dig_maxofmin = DM_DIG_MAX_AP;
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if (mac->link_state >= MAC80211_LINKED) {
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if ((dm_dig->rssi_val_min + 10) > dm_dig_max)
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dm_dig->rx_gain_max = dm_dig_max;
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else if ((dm_dig->rssi_val_min + 10) < dm_dig_min)
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dm_dig->rx_gain_max = dm_dig_min;
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else
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dm_dig->rx_gain_max = dm_dig->rssi_val_min + 10;
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if (rtlpriv->dm.one_entry_only) {
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offset = 0;
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if (dm_dig->rssi_val_min - offset < dm_dig_min)
|
|
dig_min_0 = dm_dig_min;
|
|
else if (dm_dig->rssi_val_min - offset >
|
|
dig_maxofmin)
|
|
dig_min_0 = dig_maxofmin;
|
|
else
|
|
dig_min_0 = dm_dig->rssi_val_min - offset;
|
|
} else {
|
|
dig_min_0 = dm_dig_min;
|
|
}
|
|
|
|
} else {
|
|
dm_dig->rx_gain_max = dm_dig_max;
|
|
dig_min_0 = dm_dig_min;
|
|
RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD, "no link\n");
|
|
}
|
|
|
|
if (rtlpriv->falsealm_cnt.cnt_all > 10000) {
|
|
if (dm_dig->large_fa_hit != 3)
|
|
dm_dig->large_fa_hit++;
|
|
if (dm_dig->forbidden_igi < current_igi) {
|
|
dm_dig->forbidden_igi = current_igi;
|
|
dm_dig->large_fa_hit = 1;
|
|
}
|
|
|
|
if (dm_dig->large_fa_hit >= 3) {
|
|
if (dm_dig->forbidden_igi + 1 > dm_dig->rx_gain_max)
|
|
dm_dig->rx_gain_min =
|
|
dm_dig->rx_gain_max;
|
|
else
|
|
dm_dig->rx_gain_min =
|
|
dm_dig->forbidden_igi + 1;
|
|
dm_dig->recover_cnt = 3600;
|
|
}
|
|
} else {
|
|
if (dm_dig->recover_cnt != 0) {
|
|
dm_dig->recover_cnt--;
|
|
} else {
|
|
if (dm_dig->large_fa_hit < 3) {
|
|
if ((dm_dig->forbidden_igi - 1) <
|
|
dig_min_0) {
|
|
dm_dig->forbidden_igi = dig_min_0;
|
|
dm_dig->rx_gain_min =
|
|
dig_min_0;
|
|
} else {
|
|
dm_dig->forbidden_igi--;
|
|
dm_dig->rx_gain_min =
|
|
dm_dig->forbidden_igi + 1;
|
|
}
|
|
} else {
|
|
dm_dig->large_fa_hit = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (rtlpriv->dm.dbginfo.num_qry_beacon_pkt < 5)
|
|
dm_dig->rx_gain_min = dm_dig_min;
|
|
|
|
if (dm_dig->rx_gain_min > dm_dig->rx_gain_max)
|
|
dm_dig->rx_gain_min = dm_dig->rx_gain_max;
|
|
|
|
if (mac->link_state >= MAC80211_LINKED) {
|
|
if (bfirstconnect) {
|
|
if (dm_dig->rssi_val_min <= dig_maxofmin)
|
|
current_igi = dm_dig->rssi_val_min;
|
|
else
|
|
current_igi = dig_maxofmin;
|
|
|
|
dm_dig->large_fa_hit = 0;
|
|
} else {
|
|
if (rtlpriv->falsealm_cnt.cnt_all > DM_DIG_FA_TH2)
|
|
current_igi += 4;
|
|
else if (rtlpriv->falsealm_cnt.cnt_all > DM_DIG_FA_TH1)
|
|
current_igi += 2;
|
|
else if (rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH0)
|
|
current_igi -= 2;
|
|
|
|
if (rtlpriv->dm.dbginfo.num_qry_beacon_pkt < 5 &&
|
|
rtlpriv->falsealm_cnt.cnt_all < DM_DIG_FA_TH1)
|
|
current_igi = dm_dig->rx_gain_min;
|
|
}
|
|
} else {
|
|
if (bfirstdisconnect) {
|
|
current_igi = dm_dig->rx_gain_min;
|
|
} else {
|
|
if (rtlpriv->falsealm_cnt.cnt_all > 10000)
|
|
current_igi += 4;
|
|
else if (rtlpriv->falsealm_cnt.cnt_all > 8000)
|
|
current_igi += 2;
|
|
else if (rtlpriv->falsealm_cnt.cnt_all < 500)
|
|
current_igi -= 2;
|
|
}
|
|
}
|
|
|
|
if (current_igi > dm_dig->rx_gain_max)
|
|
current_igi = dm_dig->rx_gain_max;
|
|
if (current_igi < dm_dig->rx_gain_min)
|
|
current_igi = dm_dig->rx_gain_min;
|
|
|
|
rtl92ee_dm_write_dig(hw , current_igi);
|
|
dm_dig->media_connect_0 = ((mac->link_state >= MAC80211_LINKED) ?
|
|
true : false);
|
|
dm_dig->dig_min_0 = dig_min_0;
|
|
}
|
|
|
|
void rtl92ee_dm_write_cck_cca_thres(struct ieee80211_hw *hw, u8 cur_thres)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct dig_t *dm_dig = &rtlpriv->dm_digtable;
|
|
|
|
if (dm_dig->cur_cck_cca_thres != cur_thres)
|
|
rtl_write_byte(rtlpriv, DM_REG_CCK_CCA_11N, cur_thres);
|
|
|
|
dm_dig->pre_cck_cca_thres = dm_dig->cur_cck_cca_thres;
|
|
dm_dig->cur_cck_cca_thres = cur_thres;
|
|
}
|
|
|
|
void rtl92ee_dm_write_dig(struct ieee80211_hw *hw, u8 current_igi)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct dig_t *dm_dig = &rtlpriv->dm_digtable;
|
|
|
|
if (dm_dig->stop_dig)
|
|
return;
|
|
|
|
if (dm_dig->cur_igvalue != current_igi) {
|
|
rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f, current_igi);
|
|
if (rtlpriv->phy.rf_type != RF_1T1R)
|
|
rtl_set_bbreg(hw, ROFDM0_XBAGCCORE1, 0x7f, current_igi);
|
|
}
|
|
dm_dig->pre_igvalue = dm_dig->cur_igvalue;
|
|
dm_dig->cur_igvalue = current_igi;
|
|
}
|
|
|
|
static void rtl92ee_rssi_dump_to_register(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
|
|
rtl_write_byte(rtlpriv, RA_RSSIDUMP,
|
|
rtlpriv->stats.rx_rssi_percentage[0]);
|
|
rtl_write_byte(rtlpriv, RB_RSSIDUMP,
|
|
rtlpriv->stats.rx_rssi_percentage[1]);
|
|
/*It seems the following values are not initialized.
|
|
*According to Windows code,
|
|
*these value will only be valid with JAGUAR chips
|
|
*/
|
|
/* Rx EVM */
|
|
rtl_write_byte(rtlpriv, RS1_RXEVMDUMP, rtlpriv->stats.rx_evm_dbm[0]);
|
|
rtl_write_byte(rtlpriv, RS2_RXEVMDUMP, rtlpriv->stats.rx_evm_dbm[1]);
|
|
/* Rx SNR */
|
|
rtl_write_byte(rtlpriv, RA_RXSNRDUMP,
|
|
(u8)(rtlpriv->stats.rx_snr_db[0]));
|
|
rtl_write_byte(rtlpriv, RB_RXSNRDUMP,
|
|
(u8)(rtlpriv->stats.rx_snr_db[1]));
|
|
/* Rx Cfo_Short */
|
|
rtl_write_word(rtlpriv, RA_CFOSHORTDUMP,
|
|
rtlpriv->stats.rx_cfo_short[0]);
|
|
rtl_write_word(rtlpriv, RB_CFOSHORTDUMP,
|
|
rtlpriv->stats.rx_cfo_short[1]);
|
|
/* Rx Cfo_Tail */
|
|
rtl_write_word(rtlpriv, RA_CFOLONGDUMP, rtlpriv->stats.rx_cfo_tail[0]);
|
|
rtl_write_word(rtlpriv, RB_CFOLONGDUMP, rtlpriv->stats.rx_cfo_tail[1]);
|
|
}
|
|
|
|
static void rtl92ee_dm_find_minimum_rssi(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct dig_t *rtl_dm_dig = &rtlpriv->dm_digtable;
|
|
struct rtl_mac *mac = rtl_mac(rtlpriv);
|
|
|
|
/* Determine the minimum RSSI */
|
|
if ((mac->link_state < MAC80211_LINKED) &&
|
|
(rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
|
|
rtl_dm_dig->min_undec_pwdb_for_dm = 0;
|
|
RT_TRACE(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
|
|
"Not connected to any\n");
|
|
}
|
|
if (mac->link_state >= MAC80211_LINKED) {
|
|
if (mac->opmode == NL80211_IFTYPE_AP ||
|
|
mac->opmode == NL80211_IFTYPE_ADHOC) {
|
|
rtl_dm_dig->min_undec_pwdb_for_dm =
|
|
rtlpriv->dm.entry_min_undec_sm_pwdb;
|
|
RT_TRACE(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
|
|
"AP Client PWDB = 0x%lx\n",
|
|
rtlpriv->dm.entry_min_undec_sm_pwdb);
|
|
} else {
|
|
rtl_dm_dig->min_undec_pwdb_for_dm =
|
|
rtlpriv->dm.undec_sm_pwdb;
|
|
RT_TRACE(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
|
|
"STA Default Port PWDB = 0x%x\n",
|
|
rtl_dm_dig->min_undec_pwdb_for_dm);
|
|
}
|
|
} else {
|
|
rtl_dm_dig->min_undec_pwdb_for_dm =
|
|
rtlpriv->dm.entry_min_undec_sm_pwdb;
|
|
RT_TRACE(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
|
|
"AP Ext Port or disconnect PWDB = 0x%x\n",
|
|
rtl_dm_dig->min_undec_pwdb_for_dm);
|
|
}
|
|
RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
|
|
"MinUndecoratedPWDBForDM =%d\n",
|
|
rtl_dm_dig->min_undec_pwdb_for_dm);
|
|
}
|
|
|
|
static void rtl92ee_dm_check_rssi_monitor(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct dig_t *dm_dig = &rtlpriv->dm_digtable;
|
|
struct rtl_mac *mac = rtl_mac(rtlpriv);
|
|
struct rtl_dm *dm = rtl_dm(rtlpriv);
|
|
struct rtl_sta_info *drv_priv;
|
|
u8 h2c[4] = { 0 };
|
|
long max = 0, min = 0xff;
|
|
u8 i = 0;
|
|
|
|
if (mac->opmode == NL80211_IFTYPE_AP ||
|
|
mac->opmode == NL80211_IFTYPE_ADHOC ||
|
|
mac->opmode == NL80211_IFTYPE_MESH_POINT) {
|
|
/* AP & ADHOC & MESH */
|
|
spin_lock_bh(&rtlpriv->locks.entry_list_lock);
|
|
list_for_each_entry(drv_priv, &rtlpriv->entry_list, list) {
|
|
struct rssi_sta *stat = &drv_priv->rssi_stat;
|
|
|
|
if (stat->undec_sm_pwdb < min)
|
|
min = stat->undec_sm_pwdb;
|
|
if (stat->undec_sm_pwdb > max)
|
|
max = stat->undec_sm_pwdb;
|
|
|
|
h2c[3] = 0;
|
|
h2c[2] = (u8)(dm->undec_sm_pwdb & 0xFF);
|
|
h2c[1] = 0x20;
|
|
h2c[0] = ++i;
|
|
rtl92ee_fill_h2c_cmd(hw, H2C_92E_RSSI_REPORT, 4, h2c);
|
|
}
|
|
spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
|
|
|
|
/* If associated entry is found */
|
|
if (max != 0) {
|
|
dm->entry_max_undec_sm_pwdb = max;
|
|
RTPRINT(rtlpriv, FDM, DM_PWDB,
|
|
"EntryMaxPWDB = 0x%lx(%ld)\n", max, max);
|
|
} else {
|
|
dm->entry_max_undec_sm_pwdb = 0;
|
|
}
|
|
/* If associated entry is found */
|
|
if (min != 0xff) {
|
|
dm->entry_min_undec_sm_pwdb = min;
|
|
RTPRINT(rtlpriv, FDM, DM_PWDB,
|
|
"EntryMinPWDB = 0x%lx(%ld)\n", min, min);
|
|
} else {
|
|
dm->entry_min_undec_sm_pwdb = 0;
|
|
}
|
|
}
|
|
|
|
/* Indicate Rx signal strength to FW. */
|
|
if (dm->useramask) {
|
|
h2c[3] = 0;
|
|
h2c[2] = (u8)(dm->undec_sm_pwdb & 0xFF);
|
|
h2c[1] = 0x20;
|
|
h2c[0] = 0;
|
|
rtl92ee_fill_h2c_cmd(hw, H2C_92E_RSSI_REPORT, 4, h2c);
|
|
} else {
|
|
rtl_write_byte(rtlpriv, 0x4fe, dm->undec_sm_pwdb);
|
|
}
|
|
rtl92ee_rssi_dump_to_register(hw);
|
|
rtl92ee_dm_find_minimum_rssi(hw);
|
|
dm_dig->rssi_val_min = rtlpriv->dm_digtable.min_undec_pwdb_for_dm;
|
|
}
|
|
|
|
static void rtl92ee_dm_init_primary_cca_check(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
|
|
struct dynamic_primary_cca *primarycca = &rtlpriv->primarycca;
|
|
|
|
rtlhal->rts_en = 0;
|
|
primarycca->dup_rts_flag = 0;
|
|
primarycca->intf_flag = 0;
|
|
primarycca->intf_type = 0;
|
|
primarycca->monitor_flag = 0;
|
|
primarycca->ch_offset = 0;
|
|
primarycca->mf_state = 0;
|
|
}
|
|
|
|
static bool rtl92ee_dm_is_edca_turbo_disable(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
|
|
if (rtlpriv->mac80211.mode == WIRELESS_MODE_B)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
void rtl92ee_dm_init_edca_turbo(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
|
|
rtlpriv->dm.current_turbo_edca = false;
|
|
rtlpriv->dm.is_cur_rdlstate = false;
|
|
rtlpriv->dm.is_any_nonbepkts = false;
|
|
}
|
|
|
|
static void rtl92ee_dm_check_edca_turbo(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
|
|
static u64 last_txok_cnt;
|
|
static u64 last_rxok_cnt;
|
|
u64 cur_txok_cnt = 0;
|
|
u64 cur_rxok_cnt = 0;
|
|
u32 edca_be_ul = 0x5ea42b;
|
|
u32 edca_be_dl = 0x5ea42b; /*not sure*/
|
|
u32 edca_be = 0x5ea42b;
|
|
bool is_cur_rdlstate;
|
|
bool b_edca_turbo_on = false;
|
|
|
|
if (rtlpriv->dm.dbginfo.num_non_be_pkt > 0x100)
|
|
rtlpriv->dm.is_any_nonbepkts = true;
|
|
rtlpriv->dm.dbginfo.num_non_be_pkt = 0;
|
|
|
|
cur_txok_cnt = rtlpriv->stats.txbytesunicast - last_txok_cnt;
|
|
cur_rxok_cnt = rtlpriv->stats.rxbytesunicast - last_rxok_cnt;
|
|
|
|
/*b_bias_on_rx = false;*/
|
|
b_edca_turbo_on = ((!rtlpriv->dm.is_any_nonbepkts) &&
|
|
(!rtlpriv->dm.disable_framebursting)) ?
|
|
true : false;
|
|
|
|
if (rtl92ee_dm_is_edca_turbo_disable(hw))
|
|
goto check_exit;
|
|
|
|
if (b_edca_turbo_on) {
|
|
is_cur_rdlstate = (cur_rxok_cnt > cur_txok_cnt * 4) ?
|
|
true : false;
|
|
|
|
edca_be = is_cur_rdlstate ? edca_be_dl : edca_be_ul;
|
|
rtl_write_dword(rtlpriv , REG_EDCA_BE_PARAM , edca_be);
|
|
rtlpriv->dm.is_cur_rdlstate = is_cur_rdlstate;
|
|
rtlpriv->dm.current_turbo_edca = true;
|
|
} else {
|
|
if (rtlpriv->dm.current_turbo_edca) {
|
|
u8 tmp = AC0_BE;
|
|
|
|
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM,
|
|
(u8 *)(&tmp));
|
|
}
|
|
rtlpriv->dm.current_turbo_edca = false;
|
|
}
|
|
|
|
check_exit:
|
|
rtlpriv->dm.is_any_nonbepkts = false;
|
|
last_txok_cnt = rtlpriv->stats.txbytesunicast;
|
|
last_rxok_cnt = rtlpriv->stats.rxbytesunicast;
|
|
}
|
|
|
|
static void rtl92ee_dm_dynamic_edcca(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
u8 reg_c50 , reg_c58;
|
|
bool fw_current_in_ps_mode = false;
|
|
|
|
rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
|
|
(u8 *)(&fw_current_in_ps_mode));
|
|
if (fw_current_in_ps_mode)
|
|
return;
|
|
|
|
reg_c50 = rtl_get_bbreg(hw, ROFDM0_XAAGCCORE1, MASKBYTE0);
|
|
reg_c58 = rtl_get_bbreg(hw, ROFDM0_XBAGCCORE1, MASKBYTE0);
|
|
|
|
if (reg_c50 > 0x28 && reg_c58 > 0x28) {
|
|
if (!rtlpriv->rtlhal.pre_edcca_enable) {
|
|
rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD, 0x03);
|
|
rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD + 2, 0x00);
|
|
rtlpriv->rtlhal.pre_edcca_enable = true;
|
|
}
|
|
} else if (reg_c50 < 0x25 && reg_c58 < 0x25) {
|
|
if (rtlpriv->rtlhal.pre_edcca_enable) {
|
|
rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD, 0x7f);
|
|
rtl_write_byte(rtlpriv, ROFDM0_ECCATHRESHOLD + 2, 0x7f);
|
|
rtlpriv->rtlhal.pre_edcca_enable = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void rtl92ee_dm_adaptivity(struct ieee80211_hw *hw)
|
|
{
|
|
rtl92ee_dm_dynamic_edcca(hw);
|
|
}
|
|
|
|
static void rtl92ee_dm_write_dynamic_cca(struct ieee80211_hw *hw,
|
|
u8 cur_mf_state)
|
|
{
|
|
struct dynamic_primary_cca *primarycca = &rtl_priv(hw)->primarycca;
|
|
|
|
if (primarycca->mf_state != cur_mf_state)
|
|
rtl_set_bbreg(hw, DM_REG_L1SBD_PD_CH_11N, BIT(8) | BIT(7),
|
|
cur_mf_state);
|
|
|
|
primarycca->mf_state = cur_mf_state;
|
|
}
|
|
|
|
static void rtl92ee_dm_dynamic_primary_cca_ckeck(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct false_alarm_statistics *falsealm_cnt = &rtlpriv->falsealm_cnt;
|
|
struct dynamic_primary_cca *primarycca = &rtlpriv->primarycca;
|
|
bool is40mhz = false;
|
|
u64 ofdm_cca, ofdm_fa, bw_usc_cnt, bw_lsc_cnt;
|
|
u8 sec_ch_offset;
|
|
u8 cur_mf_state;
|
|
static u8 count_down = MONITOR_TIME;
|
|
|
|
ofdm_cca = falsealm_cnt->cnt_ofdm_cca;
|
|
ofdm_fa = falsealm_cnt->cnt_ofdm_fail;
|
|
bw_usc_cnt = falsealm_cnt->cnt_bw_usc;
|
|
bw_lsc_cnt = falsealm_cnt->cnt_bw_lsc;
|
|
is40mhz = rtlpriv->mac80211.bw_40;
|
|
sec_ch_offset = rtlpriv->mac80211.cur_40_prime_sc;
|
|
/* NIC: 2: sec is below, 1: sec is above */
|
|
|
|
if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP) {
|
|
cur_mf_state = MF_USC_LSC;
|
|
rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
|
|
return;
|
|
}
|
|
|
|
if (rtlpriv->mac80211.link_state < MAC80211_LINKED)
|
|
return;
|
|
|
|
if (is40mhz)
|
|
return;
|
|
|
|
if (primarycca->pricca_flag == 0) {
|
|
/* Primary channel is above
|
|
* NOTE: duplicate CTS can remove this condition
|
|
*/
|
|
if (sec_ch_offset == 2) {
|
|
if ((ofdm_cca > OFDMCCA_TH) &&
|
|
(bw_lsc_cnt > (bw_usc_cnt + BW_IND_BIAS)) &&
|
|
(ofdm_fa > (ofdm_cca >> 1))) {
|
|
primarycca->intf_type = 1;
|
|
primarycca->intf_flag = 1;
|
|
cur_mf_state = MF_USC;
|
|
rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
|
|
primarycca->pricca_flag = 1;
|
|
} else if ((ofdm_cca > OFDMCCA_TH) &&
|
|
(bw_lsc_cnt > (bw_usc_cnt + BW_IND_BIAS)) &&
|
|
(ofdm_fa < (ofdm_cca >> 1))) {
|
|
primarycca->intf_type = 2;
|
|
primarycca->intf_flag = 1;
|
|
cur_mf_state = MF_USC;
|
|
rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
|
|
primarycca->pricca_flag = 1;
|
|
primarycca->dup_rts_flag = 1;
|
|
rtlpriv->rtlhal.rts_en = 1;
|
|
} else {
|
|
primarycca->intf_type = 0;
|
|
primarycca->intf_flag = 0;
|
|
cur_mf_state = MF_USC_LSC;
|
|
rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
|
|
rtlpriv->rtlhal.rts_en = 0;
|
|
primarycca->dup_rts_flag = 0;
|
|
}
|
|
} else if (sec_ch_offset == 1) {
|
|
if ((ofdm_cca > OFDMCCA_TH) &&
|
|
(bw_usc_cnt > (bw_lsc_cnt + BW_IND_BIAS)) &&
|
|
(ofdm_fa > (ofdm_cca >> 1))) {
|
|
primarycca->intf_type = 1;
|
|
primarycca->intf_flag = 1;
|
|
cur_mf_state = MF_LSC;
|
|
rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
|
|
primarycca->pricca_flag = 1;
|
|
} else if ((ofdm_cca > OFDMCCA_TH) &&
|
|
(bw_usc_cnt > (bw_lsc_cnt + BW_IND_BIAS)) &&
|
|
(ofdm_fa < (ofdm_cca >> 1))) {
|
|
primarycca->intf_type = 2;
|
|
primarycca->intf_flag = 1;
|
|
cur_mf_state = MF_LSC;
|
|
rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
|
|
primarycca->pricca_flag = 1;
|
|
primarycca->dup_rts_flag = 1;
|
|
rtlpriv->rtlhal.rts_en = 1;
|
|
} else {
|
|
primarycca->intf_type = 0;
|
|
primarycca->intf_flag = 0;
|
|
cur_mf_state = MF_USC_LSC;
|
|
rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
|
|
rtlpriv->rtlhal.rts_en = 0;
|
|
primarycca->dup_rts_flag = 0;
|
|
}
|
|
}
|
|
} else {/* PrimaryCCA->PriCCA_flag==1 */
|
|
count_down--;
|
|
if (count_down == 0) {
|
|
count_down = MONITOR_TIME;
|
|
primarycca->pricca_flag = 0;
|
|
cur_mf_state = MF_USC_LSC;
|
|
/* default */
|
|
rtl92ee_dm_write_dynamic_cca(hw, cur_mf_state);
|
|
rtlpriv->rtlhal.rts_en = 0;
|
|
primarycca->dup_rts_flag = 0;
|
|
primarycca->intf_type = 0;
|
|
primarycca->intf_flag = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void rtl92ee_dm_dynamic_atc_switch(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
|
|
u8 crystal_cap;
|
|
u32 packet_count;
|
|
int cfo_khz_a , cfo_khz_b , cfo_ave = 0, adjust_xtal = 0;
|
|
int cfo_ave_diff;
|
|
|
|
if (rtlpriv->mac80211.link_state < MAC80211_LINKED) {
|
|
if (rtldm->atc_status == ATC_STATUS_OFF) {
|
|
rtl_set_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11),
|
|
ATC_STATUS_ON);
|
|
rtldm->atc_status = ATC_STATUS_ON;
|
|
}
|
|
/* Disable CFO tracking for BT */
|
|
if (rtlpriv->cfg->ops->get_btc_status()) {
|
|
if (!rtlpriv->btcoexist.btc_ops->
|
|
btc_is_bt_disabled(rtlpriv)) {
|
|
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
|
|
"odm_DynamicATCSwitch(): Disable CFO tracking for BT!!\n");
|
|
return;
|
|
}
|
|
}
|
|
/* Reset Crystal Cap */
|
|
if (rtldm->crystal_cap != rtlpriv->efuse.crystalcap) {
|
|
rtldm->crystal_cap = rtlpriv->efuse.crystalcap;
|
|
crystal_cap = rtldm->crystal_cap & 0x3f;
|
|
rtl_set_bbreg(hw, REG_MAC_PHY_CTRL, 0xFFF000,
|
|
(crystal_cap | (crystal_cap << 6)));
|
|
}
|
|
} else {
|
|
cfo_khz_a = (int)(rtldm->cfo_tail[0] * 3125) / 1280;
|
|
cfo_khz_b = (int)(rtldm->cfo_tail[1] * 3125) / 1280;
|
|
packet_count = rtldm->packet_count;
|
|
|
|
if (packet_count == rtldm->packet_count_pre)
|
|
return;
|
|
|
|
rtldm->packet_count_pre = packet_count;
|
|
|
|
if (rtlpriv->phy.rf_type == RF_1T1R)
|
|
cfo_ave = cfo_khz_a;
|
|
else
|
|
cfo_ave = (int)(cfo_khz_a + cfo_khz_b) >> 1;
|
|
|
|
cfo_ave_diff = (rtldm->cfo_ave_pre >= cfo_ave) ?
|
|
(rtldm->cfo_ave_pre - cfo_ave) :
|
|
(cfo_ave - rtldm->cfo_ave_pre);
|
|
|
|
if (cfo_ave_diff > 20 && rtldm->large_cfo_hit == 0) {
|
|
rtldm->large_cfo_hit = 1;
|
|
return;
|
|
}
|
|
rtldm->large_cfo_hit = 0;
|
|
|
|
rtldm->cfo_ave_pre = cfo_ave;
|
|
|
|
if (cfo_ave >= -rtldm->cfo_threshold &&
|
|
cfo_ave <= rtldm->cfo_threshold && rtldm->is_freeze == 0) {
|
|
if (rtldm->cfo_threshold == CFO_THRESHOLD_XTAL) {
|
|
rtldm->cfo_threshold = CFO_THRESHOLD_XTAL + 10;
|
|
rtldm->is_freeze = 1;
|
|
} else {
|
|
rtldm->cfo_threshold = CFO_THRESHOLD_XTAL;
|
|
}
|
|
}
|
|
|
|
if (cfo_ave > rtldm->cfo_threshold && rtldm->crystal_cap < 0x3f)
|
|
adjust_xtal = ((cfo_ave - CFO_THRESHOLD_XTAL) >> 2) + 1;
|
|
else if ((cfo_ave < -rtlpriv->dm.cfo_threshold) &&
|
|
rtlpriv->dm.crystal_cap > 0)
|
|
adjust_xtal = ((cfo_ave + CFO_THRESHOLD_XTAL) >> 2) - 1;
|
|
|
|
if (adjust_xtal != 0) {
|
|
rtldm->is_freeze = 0;
|
|
rtldm->crystal_cap += adjust_xtal;
|
|
|
|
if (rtldm->crystal_cap > 0x3f)
|
|
rtldm->crystal_cap = 0x3f;
|
|
else if (rtldm->crystal_cap < 0)
|
|
rtldm->crystal_cap = 0;
|
|
|
|
crystal_cap = rtldm->crystal_cap & 0x3f;
|
|
rtl_set_bbreg(hw, REG_MAC_PHY_CTRL, 0xFFF000,
|
|
(crystal_cap | (crystal_cap << 6)));
|
|
}
|
|
|
|
if (cfo_ave < CFO_THRESHOLD_ATC &&
|
|
cfo_ave > -CFO_THRESHOLD_ATC) {
|
|
if (rtldm->atc_status == ATC_STATUS_ON) {
|
|
rtl_set_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11),
|
|
ATC_STATUS_OFF);
|
|
rtldm->atc_status = ATC_STATUS_OFF;
|
|
}
|
|
} else {
|
|
if (rtldm->atc_status == ATC_STATUS_OFF) {
|
|
rtl_set_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11),
|
|
ATC_STATUS_ON);
|
|
rtldm->atc_status = ATC_STATUS_ON;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void rtl92ee_dm_init_txpower_tracking(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_dm *dm = rtl_dm(rtlpriv);
|
|
u8 path;
|
|
|
|
dm->txpower_tracking = true;
|
|
dm->default_ofdm_index = 30;
|
|
dm->default_cck_index = 20;
|
|
|
|
dm->swing_idx_cck_base = dm->default_cck_index;
|
|
dm->cck_index = dm->default_cck_index;
|
|
|
|
for (path = RF90_PATH_A; path < MAX_RF_PATH; path++) {
|
|
dm->swing_idx_ofdm_base[path] = dm->default_ofdm_index;
|
|
dm->ofdm_index[path] = dm->default_ofdm_index;
|
|
dm->delta_power_index[path] = 0;
|
|
dm->delta_power_index_last[path] = 0;
|
|
dm->power_index_offset[path] = 0;
|
|
}
|
|
}
|
|
|
|
void rtl92ee_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rate_adaptive *p_ra = &rtlpriv->ra;
|
|
|
|
p_ra->ratr_state = DM_RATR_STA_INIT;
|
|
p_ra->pre_ratr_state = DM_RATR_STA_INIT;
|
|
|
|
if (rtlpriv->dm.dm_type == DM_TYPE_BYDRIVER)
|
|
rtlpriv->dm.useramask = true;
|
|
else
|
|
rtlpriv->dm.useramask = false;
|
|
|
|
p_ra->ldpc_thres = 35;
|
|
p_ra->use_ldpc = false;
|
|
p_ra->high_rssi_thresh_for_ra = 50;
|
|
p_ra->low_rssi_thresh_for_ra40m = 20;
|
|
}
|
|
|
|
static bool _rtl92ee_dm_ra_state_check(struct ieee80211_hw *hw,
|
|
s32 rssi, u8 *ratr_state)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rate_adaptive *p_ra = &rtlpriv->ra;
|
|
const u8 go_up_gap = 5;
|
|
u32 high_rssithresh_for_ra = p_ra->high_rssi_thresh_for_ra;
|
|
u32 low_rssithresh_for_ra = p_ra->low_rssi_thresh_for_ra40m;
|
|
u8 state;
|
|
|
|
/* Threshold Adjustment:
|
|
* when RSSI state trends to go up one or two levels,
|
|
* make sure RSSI is high enough.
|
|
* Here GoUpGap is added to solve
|
|
* the boundary's level alternation issue.
|
|
*/
|
|
switch (*ratr_state) {
|
|
case DM_RATR_STA_INIT:
|
|
case DM_RATR_STA_HIGH:
|
|
break;
|
|
case DM_RATR_STA_MIDDLE:
|
|
high_rssithresh_for_ra += go_up_gap;
|
|
break;
|
|
case DM_RATR_STA_LOW:
|
|
high_rssithresh_for_ra += go_up_gap;
|
|
low_rssithresh_for_ra += go_up_gap;
|
|
break;
|
|
default:
|
|
RT_TRACE(rtlpriv, COMP_RATR, DBG_DMESG,
|
|
"wrong rssi level setting %d !\n", *ratr_state);
|
|
break;
|
|
}
|
|
|
|
/* Decide RATRState by RSSI. */
|
|
if (rssi > high_rssithresh_for_ra)
|
|
state = DM_RATR_STA_HIGH;
|
|
else if (rssi > low_rssithresh_for_ra)
|
|
state = DM_RATR_STA_MIDDLE;
|
|
else
|
|
state = DM_RATR_STA_LOW;
|
|
|
|
if (*ratr_state != state) {
|
|
*ratr_state = state;
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static void rtl92ee_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
|
|
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
|
|
struct rate_adaptive *p_ra = &rtlpriv->ra;
|
|
struct ieee80211_sta *sta = NULL;
|
|
|
|
if (is_hal_stop(rtlhal)) {
|
|
RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
|
|
"driver is going to unload\n");
|
|
return;
|
|
}
|
|
|
|
if (!rtlpriv->dm.useramask) {
|
|
RT_TRACE(rtlpriv, COMP_RATE, DBG_LOUD,
|
|
"driver does not control rate adaptive mask\n");
|
|
return;
|
|
}
|
|
|
|
if (mac->link_state == MAC80211_LINKED &&
|
|
mac->opmode == NL80211_IFTYPE_STATION) {
|
|
if (rtlpriv->dm.undec_sm_pwdb < p_ra->ldpc_thres) {
|
|
p_ra->use_ldpc = true;
|
|
p_ra->lower_rts_rate = true;
|
|
} else if (rtlpriv->dm.undec_sm_pwdb >
|
|
(p_ra->ldpc_thres - 5)) {
|
|
p_ra->use_ldpc = false;
|
|
p_ra->lower_rts_rate = false;
|
|
}
|
|
if (_rtl92ee_dm_ra_state_check(hw, rtlpriv->dm.undec_sm_pwdb,
|
|
&p_ra->ratr_state)) {
|
|
rcu_read_lock();
|
|
sta = rtl_find_sta(hw, mac->bssid);
|
|
if (sta)
|
|
rtlpriv->cfg->ops->update_rate_tbl(hw, sta,
|
|
p_ra->ratr_state,
|
|
true);
|
|
rcu_read_unlock();
|
|
|
|
p_ra->pre_ratr_state = p_ra->ratr_state;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void rtl92ee_dm_init_dynamic_atc_switch(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
|
|
rtlpriv->dm.crystal_cap = rtlpriv->efuse.crystalcap;
|
|
|
|
rtlpriv->dm.atc_status = rtl_get_bbreg(hw, ROFDM1_CFOTRACKING, BIT(11));
|
|
rtlpriv->dm.cfo_threshold = CFO_THRESHOLD_XTAL;
|
|
}
|
|
|
|
void rtl92ee_dm_init(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
u32 cur_igvalue = rtl_get_bbreg(hw, DM_REG_IGI_A_11N, DM_BIT_IGI_11N);
|
|
|
|
rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
|
|
|
|
rtl_dm_diginit(hw, cur_igvalue);
|
|
rtl92ee_dm_init_rate_adaptive_mask(hw);
|
|
rtl92ee_dm_init_primary_cca_check(hw);
|
|
rtl92ee_dm_init_edca_turbo(hw);
|
|
rtl92ee_dm_init_txpower_tracking(hw);
|
|
rtl92ee_dm_init_dynamic_atc_switch(hw);
|
|
}
|
|
|
|
static void rtl92ee_dm_common_info_self_update(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_sta_info *drv_priv;
|
|
u8 cnt = 0;
|
|
|
|
rtlpriv->dm.one_entry_only = false;
|
|
|
|
if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_STATION &&
|
|
rtlpriv->mac80211.link_state >= MAC80211_LINKED) {
|
|
rtlpriv->dm.one_entry_only = true;
|
|
return;
|
|
}
|
|
|
|
if (rtlpriv->mac80211.opmode == NL80211_IFTYPE_AP ||
|
|
rtlpriv->mac80211.opmode == NL80211_IFTYPE_ADHOC ||
|
|
rtlpriv->mac80211.opmode == NL80211_IFTYPE_MESH_POINT) {
|
|
spin_lock_bh(&rtlpriv->locks.entry_list_lock);
|
|
list_for_each_entry(drv_priv, &rtlpriv->entry_list, list) {
|
|
cnt++;
|
|
}
|
|
spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
|
|
|
|
if (cnt == 1)
|
|
rtlpriv->dm.one_entry_only = true;
|
|
}
|
|
}
|
|
|
|
void rtl92ee_dm_dynamic_arfb_select(struct ieee80211_hw *hw,
|
|
u8 rate, bool collision_state)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
|
|
if (rate >= DESC92C_RATEMCS8 && rate <= DESC92C_RATEMCS12) {
|
|
if (collision_state == 1) {
|
|
if (rate == DESC92C_RATEMCS12) {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x07060501);
|
|
} else if (rate == DESC92C_RATEMCS11) {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x07070605);
|
|
} else if (rate == DESC92C_RATEMCS10) {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x08080706);
|
|
} else if (rate == DESC92C_RATEMCS9) {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x08080707);
|
|
} else {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC, 0x0);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x09090808);
|
|
}
|
|
} else { /* collision_state == 0 */
|
|
if (rate == DESC92C_RATEMCS12) {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC,
|
|
0x05010000);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x09080706);
|
|
} else if (rate == DESC92C_RATEMCS11) {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC,
|
|
0x06050000);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x09080807);
|
|
} else if (rate == DESC92C_RATEMCS10) {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC,
|
|
0x07060000);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x0a090908);
|
|
} else if (rate == DESC92C_RATEMCS9) {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC,
|
|
0x07070000);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x0a090808);
|
|
} else {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC,
|
|
0x08080000);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x0b0a0909);
|
|
}
|
|
}
|
|
} else { /* MCS13~MCS15, 1SS, G-mode */
|
|
if (collision_state == 1) {
|
|
if (rate == DESC92C_RATEMCS15) {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC,
|
|
0x00000000);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x05040302);
|
|
} else if (rate == DESC92C_RATEMCS14) {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC,
|
|
0x00000000);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x06050302);
|
|
} else if (rate == DESC92C_RATEMCS13) {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC,
|
|
0x00000000);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x07060502);
|
|
} else {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC,
|
|
0x00000000);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x06050402);
|
|
}
|
|
} else{ /* collision_state == 0 */
|
|
if (rate == DESC92C_RATEMCS15) {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC,
|
|
0x03020000);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x07060504);
|
|
} else if (rate == DESC92C_RATEMCS14) {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC,
|
|
0x03020000);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x08070605);
|
|
} else if (rate == DESC92C_RATEMCS13) {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC,
|
|
0x05020000);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x09080706);
|
|
} else {
|
|
rtl_write_dword(rtlpriv, REG_DARFRC,
|
|
0x04020000);
|
|
rtl_write_dword(rtlpriv, REG_DARFRC + 4,
|
|
0x08070605);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void rtl92ee_dm_watchdog(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl_priv *rtlpriv = rtl_priv(hw);
|
|
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
|
|
bool fw_current_inpsmode = false;
|
|
bool fw_ps_awake = true;
|
|
|
|
rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FW_PSMODE_STATUS,
|
|
(u8 *)(&fw_current_inpsmode));
|
|
rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_FWLPS_RF_ON,
|
|
(u8 *)(&fw_ps_awake));
|
|
if (ppsc->p2p_ps_info.p2p_ps_mode)
|
|
fw_ps_awake = false;
|
|
|
|
spin_lock(&rtlpriv->locks.rf_ps_lock);
|
|
if ((ppsc->rfpwr_state == ERFON) &&
|
|
((!fw_current_inpsmode) && fw_ps_awake) &&
|
|
(!ppsc->rfchange_inprogress)) {
|
|
rtl92ee_dm_common_info_self_update(hw);
|
|
rtl92ee_dm_false_alarm_counter_statistics(hw);
|
|
rtl92ee_dm_check_rssi_monitor(hw);
|
|
rtl92ee_dm_dig(hw);
|
|
rtl92ee_dm_adaptivity(hw);
|
|
rtl92ee_dm_cck_packet_detection_thresh(hw);
|
|
rtl92ee_dm_refresh_rate_adaptive_mask(hw);
|
|
rtl92ee_dm_check_edca_turbo(hw);
|
|
rtl92ee_dm_dynamic_atc_switch(hw);
|
|
rtl92ee_dm_dynamic_primary_cca_ckeck(hw);
|
|
}
|
|
spin_unlock(&rtlpriv->locks.rf_ps_lock);
|
|
}
|