1 // SPDX-License-Identifier: ISC 2 /* 3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> 4 * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> 5 */ 6 7 #include "mt76x2.h" 8 #include "eeprom.h" 9 #include "../mt76x02_phy.h" 10 11 static void 12 mt76x2_set_wlan_state(struct mt76x02_dev *dev, bool enable) 13 { 14 u32 val = mt76_rr(dev, MT_WLAN_FUN_CTRL); 15 16 if (enable) 17 val |= (MT_WLAN_FUN_CTRL_WLAN_EN | 18 MT_WLAN_FUN_CTRL_WLAN_CLK_EN); 19 else 20 val &= ~(MT_WLAN_FUN_CTRL_WLAN_EN | 21 MT_WLAN_FUN_CTRL_WLAN_CLK_EN); 22 23 mt76_wr(dev, MT_WLAN_FUN_CTRL, val); 24 udelay(20); 25 } 26 27 void mt76x2_reset_wlan(struct mt76x02_dev *dev, bool enable) 28 { 29 u32 val; 30 31 if (!enable) 32 goto out; 33 34 val = mt76_rr(dev, MT_WLAN_FUN_CTRL); 35 36 val &= ~MT_WLAN_FUN_CTRL_FRC_WL_ANT_SEL; 37 38 if (val & MT_WLAN_FUN_CTRL_WLAN_EN) { 39 val |= MT_WLAN_FUN_CTRL_WLAN_RESET_RF; 40 mt76_wr(dev, MT_WLAN_FUN_CTRL, val); 41 udelay(20); 42 43 val &= ~MT_WLAN_FUN_CTRL_WLAN_RESET_RF; 44 } 45 46 mt76_wr(dev, MT_WLAN_FUN_CTRL, val); 47 udelay(20); 48 49 out: 50 mt76x2_set_wlan_state(dev, enable); 51 } 52 EXPORT_SYMBOL_GPL(mt76x2_reset_wlan); 53 54 void mt76_write_mac_initvals(struct mt76x02_dev *dev) 55 { 56 #define DEFAULT_PROT_CFG_CCK \ 57 (FIELD_PREP(MT_PROT_CFG_RATE, 0x3) | \ 58 FIELD_PREP(MT_PROT_CFG_NAV, 1) | \ 59 FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x3f) | \ 60 MT_PROT_CFG_RTS_THRESH) 61 62 #define DEFAULT_PROT_CFG_OFDM \ 63 (FIELD_PREP(MT_PROT_CFG_RATE, 0x2004) | \ 64 FIELD_PREP(MT_PROT_CFG_NAV, 1) | \ 65 FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x3f) | \ 66 MT_PROT_CFG_RTS_THRESH) 67 68 #define DEFAULT_PROT_CFG_20 \ 69 (FIELD_PREP(MT_PROT_CFG_RATE, 0x2004) | \ 70 FIELD_PREP(MT_PROT_CFG_CTRL, 1) | \ 71 FIELD_PREP(MT_PROT_CFG_NAV, 1) | \ 72 FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x17)) 73 74 #define DEFAULT_PROT_CFG_40 \ 75 (FIELD_PREP(MT_PROT_CFG_RATE, 0x2084) | \ 76 FIELD_PREP(MT_PROT_CFG_CTRL, 1) | \ 77 FIELD_PREP(MT_PROT_CFG_NAV, 1) | \ 78 FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x3f)) 79 80 static const struct mt76_reg_pair vals[] = { 81 /* Copied from MediaTek reference source */ 82 { MT_PBF_SYS_CTRL, 0x00080c00 }, 83 { MT_PBF_CFG, 0x1efebcff }, 84 { MT_FCE_PSE_CTRL, 0x00000001 }, 85 { MT_MAC_SYS_CTRL, 0x0000000c }, 86 { MT_MAX_LEN_CFG, 0x003e3f00 }, 87 { MT_AMPDU_MAX_LEN_20M1S, 0xaaa99887 }, 88 { MT_AMPDU_MAX_LEN_20M2S, 0x000000aa }, 89 { MT_XIFS_TIME_CFG, 0x33a40d0a }, 90 { MT_BKOFF_SLOT_CFG, 0x00000209 }, 91 { MT_TBTT_SYNC_CFG, 0x00422010 }, 92 { MT_PWR_PIN_CFG, 0x00000000 }, 93 { 0x1238, 0x001700c8 }, 94 { MT_TX_SW_CFG0, 0x00101001 }, 95 { MT_TX_SW_CFG1, 0x00010000 }, 96 { MT_TX_SW_CFG2, 0x00000000 }, 97 { MT_TXOP_CTRL_CFG, 0x0400583f }, 98 { MT_TX_RTS_CFG, 0x00ffff20 }, 99 { MT_TX_TIMEOUT_CFG, 0x000a2290 }, 100 { MT_TX_RETRY_CFG, 0x47f01f0f }, 101 { MT_EXP_ACK_TIME, 0x002c00dc }, 102 { MT_TX_PROT_CFG6, 0xe3f42004 }, 103 { MT_TX_PROT_CFG7, 0xe3f42084 }, 104 { MT_TX_PROT_CFG8, 0xe3f42104 }, 105 { MT_PIFS_TX_CFG, 0x00060fff }, 106 { MT_RX_FILTR_CFG, 0x00015f97 }, 107 { MT_LEGACY_BASIC_RATE, 0x0000017f }, 108 { MT_HT_BASIC_RATE, 0x00004003 }, 109 { MT_PN_PAD_MODE, 0x00000003 }, 110 { MT_TXOP_HLDR_ET, 0x00000002 }, 111 { 0xa44, 0x00000000 }, 112 { MT_HEADER_TRANS_CTRL_REG, 0x00000000 }, 113 { MT_TSO_CTRL, 0x00000000 }, 114 { MT_AUX_CLK_CFG, 0x00000000 }, 115 { MT_DACCLK_EN_DLY_CFG, 0x00000000 }, 116 { MT_TX_ALC_CFG_4, 0x00000000 }, 117 { MT_TX_ALC_VGA3, 0x00000000 }, 118 { MT_TX_PWR_CFG_0, 0x3a3a3a3a }, 119 { MT_TX_PWR_CFG_1, 0x3a3a3a3a }, 120 { MT_TX_PWR_CFG_2, 0x3a3a3a3a }, 121 { MT_TX_PWR_CFG_3, 0x3a3a3a3a }, 122 { MT_TX_PWR_CFG_4, 0x3a3a3a3a }, 123 { MT_TX_PWR_CFG_7, 0x3a3a3a3a }, 124 { MT_TX_PWR_CFG_8, 0x0000003a }, 125 { MT_TX_PWR_CFG_9, 0x0000003a }, 126 { MT_EFUSE_CTRL, 0x0000d000 }, 127 { MT_PAUSE_ENABLE_CONTROL1, 0x0000000a }, 128 { MT_FCE_WLAN_FLOW_CONTROL1, 0x60401c18 }, 129 { MT_WPDMA_DELAY_INT_CFG, 0x94ff0000 }, 130 { MT_TX_SW_CFG3, 0x00000004 }, 131 { MT_HT_FBK_TO_LEGACY, 0x00001818 }, 132 { MT_VHT_HT_FBK_CFG1, 0xedcba980 }, 133 { MT_PROT_AUTO_TX_CFG, 0x00830083 }, 134 { MT_HT_CTRL_CFG, 0x000001ff }, 135 { MT_TX_LINK_CFG, 0x00001020 }, 136 }; 137 struct mt76_reg_pair prot_vals[] = { 138 { MT_CCK_PROT_CFG, DEFAULT_PROT_CFG_CCK }, 139 { MT_OFDM_PROT_CFG, DEFAULT_PROT_CFG_OFDM }, 140 { MT_MM20_PROT_CFG, DEFAULT_PROT_CFG_20 }, 141 { MT_MM40_PROT_CFG, DEFAULT_PROT_CFG_40 }, 142 { MT_GF20_PROT_CFG, DEFAULT_PROT_CFG_20 }, 143 { MT_GF40_PROT_CFG, DEFAULT_PROT_CFG_40 }, 144 }; 145 146 mt76_wr_rp(dev, 0, vals, ARRAY_SIZE(vals)); 147 mt76_wr_rp(dev, 0, prot_vals, ARRAY_SIZE(prot_vals)); 148 } 149 EXPORT_SYMBOL_GPL(mt76_write_mac_initvals); 150 151 void mt76x2_init_txpower(struct mt76x02_dev *dev, 152 struct ieee80211_supported_band *sband) 153 { 154 struct ieee80211_channel *chan; 155 struct mt76x2_tx_power_info txp; 156 struct mt76_rate_power t = {}; 157 int i; 158 159 for (i = 0; i < sband->n_channels; i++) { 160 chan = &sband->channels[i]; 161 162 mt76x2_get_power_info(dev, &txp, chan); 163 mt76x2_get_rate_power(dev, &t, chan); 164 165 chan->orig_mpwr = mt76x02_get_max_rate_power(&t) + 166 txp.target_power; 167 chan->orig_mpwr = DIV_ROUND_UP(chan->orig_mpwr, 2); 168 169 /* convert to combined output power on 2x2 devices */ 170 chan->orig_mpwr += 3; 171 chan->max_power = min_t(int, chan->max_reg_power, 172 chan->orig_mpwr); 173 } 174 } 175 EXPORT_SYMBOL_GPL(mt76x2_init_txpower); 176