.. | .. |
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| 1 | +// SPDX-License-Identifier: GPL-2.0-only |
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1 | 2 | /* |
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2 | 3 | * (c) Copyright 2002-2010, Ralink Technology, Inc. |
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3 | 4 | * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> |
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4 | 5 | * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> |
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5 | 6 | * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> |
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6 | | - * |
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7 | | - * This program is free software; you can redistribute it and/or modify |
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8 | | - * it under the terms of the GNU General Public License version 2 |
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9 | | - * as published by the Free Software Foundation |
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10 | | - * |
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11 | | - * This program is distributed in the hope that it will be useful, |
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12 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | | - * GNU General Public License for more details. |
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15 | 7 | */ |
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16 | 8 | |
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17 | 9 | #include "mt76x0.h" |
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18 | 10 | #include "eeprom.h" |
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19 | | -#include "trace.h" |
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20 | 11 | #include "mcu.h" |
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21 | | -#include "usb.h" |
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22 | | - |
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23 | 12 | #include "initvals.h" |
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| 13 | +#include "initvals_init.h" |
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| 14 | +#include "../mt76x02_phy.h" |
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24 | 15 | |
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25 | 16 | static void |
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26 | | -mt76x0_set_wlan_state(struct mt76x0_dev *dev, u32 val, bool enable) |
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| 17 | +mt76x0_set_wlan_state(struct mt76x02_dev *dev, u32 val, bool enable) |
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27 | 18 | { |
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28 | | - int i; |
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| 19 | + u32 mask = MT_CMB_CTRL_XTAL_RDY | MT_CMB_CTRL_PLL_LD; |
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29 | 20 | |
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30 | 21 | /* Note: we don't turn off WLAN_CLK because that makes the device |
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31 | 22 | * not respond properly on the probe path. |
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.. | .. |
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42 | 33 | mt76_wr(dev, MT_WLAN_FUN_CTRL, val); |
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43 | 34 | udelay(20); |
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44 | 35 | |
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45 | | - if (!enable) |
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46 | | - return; |
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47 | | - |
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48 | | - for (i = 200; i; i--) { |
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49 | | - val = mt76_rr(dev, MT_CMB_CTRL); |
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50 | | - |
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51 | | - if (val & MT_CMB_CTRL_XTAL_RDY && val & MT_CMB_CTRL_PLL_LD) |
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52 | | - break; |
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53 | | - |
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54 | | - udelay(20); |
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55 | | - } |
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56 | | - |
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57 | 36 | /* Note: vendor driver tries to disable/enable wlan here and retry |
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58 | 37 | * but the code which does it is so buggy it must have never |
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59 | 38 | * triggered, so don't bother. |
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60 | 39 | */ |
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61 | | - if (!i) |
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62 | | - dev_err(dev->mt76.dev, "Error: PLL and XTAL check failed!\n"); |
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| 40 | + if (enable && !mt76_poll(dev, MT_CMB_CTRL, mask, mask, 2000)) |
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| 41 | + dev_err(dev->mt76.dev, "PLL and XTAL check failed\n"); |
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63 | 42 | } |
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64 | 43 | |
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65 | | -void mt76x0_chip_onoff(struct mt76x0_dev *dev, bool enable, bool reset) |
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| 44 | +void mt76x0_chip_onoff(struct mt76x02_dev *dev, bool enable, bool reset) |
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66 | 45 | { |
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67 | 46 | u32 val; |
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68 | | - |
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69 | | - mutex_lock(&dev->hw_atomic_mutex); |
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70 | 47 | |
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71 | 48 | val = mt76_rr(dev, MT_WLAN_FUN_CTRL); |
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72 | 49 | |
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.. | .. |
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89 | 66 | udelay(20); |
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90 | 67 | |
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91 | 68 | mt76x0_set_wlan_state(dev, val, enable); |
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92 | | - |
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93 | | - mutex_unlock(&dev->hw_atomic_mutex); |
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94 | 69 | } |
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| 70 | +EXPORT_SYMBOL_GPL(mt76x0_chip_onoff); |
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95 | 71 | |
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96 | | -static void mt76x0_reset_csr_bbp(struct mt76x0_dev *dev) |
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| 72 | +static void mt76x0_reset_csr_bbp(struct mt76x02_dev *dev) |
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97 | 73 | { |
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98 | | - u32 val; |
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99 | | - |
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100 | | - val = mt76_rr(dev, MT_PBF_SYS_CTRL); |
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101 | | - val &= ~0x2000; |
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102 | | - mt76_wr(dev, MT_PBF_SYS_CTRL, val); |
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103 | | - |
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104 | | - mt76_wr(dev, MT_MAC_SYS_CTRL, MT_MAC_SYS_CTRL_RESET_CSR | |
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105 | | - MT_MAC_SYS_CTRL_RESET_BBP); |
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106 | | - |
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| 74 | + mt76_wr(dev, MT_MAC_SYS_CTRL, |
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| 75 | + MT_MAC_SYS_CTRL_RESET_CSR | |
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| 76 | + MT_MAC_SYS_CTRL_RESET_BBP); |
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107 | 77 | msleep(200); |
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| 78 | + mt76_clear(dev, MT_MAC_SYS_CTRL, |
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| 79 | + MT_MAC_SYS_CTRL_RESET_CSR | |
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| 80 | + MT_MAC_SYS_CTRL_RESET_BBP); |
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108 | 81 | } |
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109 | 82 | |
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110 | | -static void mt76x0_init_usb_dma(struct mt76x0_dev *dev) |
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111 | | -{ |
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112 | | - u32 val; |
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| 83 | +#define RANDOM_WRITE(dev, tab) \ |
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| 84 | + mt76_wr_rp(dev, MT_MCU_MEMMAP_WLAN, \ |
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| 85 | + tab, ARRAY_SIZE(tab)) |
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113 | 86 | |
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114 | | - val = mt76_rr(dev, MT_USB_DMA_CFG); |
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115 | | - |
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116 | | - val |= FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_TOUT, MT_USB_AGGR_TIMEOUT) | |
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117 | | - FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_LMT, MT_USB_AGGR_SIZE_LIMIT) | |
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118 | | - MT_USB_DMA_CFG_RX_BULK_EN | |
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119 | | - MT_USB_DMA_CFG_TX_BULK_EN; |
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120 | | - if (dev->in_max_packet == 512) |
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121 | | - val |= MT_USB_DMA_CFG_RX_BULK_AGG_EN; |
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122 | | - mt76_wr(dev, MT_USB_DMA_CFG, val); |
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123 | | - |
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124 | | - val = mt76_rr(dev, MT_COM_REG0); |
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125 | | - if (val & 1) |
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126 | | - dev_dbg(dev->mt76.dev, "MCU not ready\n"); |
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127 | | - |
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128 | | - val = mt76_rr(dev, MT_USB_DMA_CFG); |
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129 | | - |
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130 | | - val |= MT_USB_DMA_CFG_RX_DROP_OR_PADDING; |
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131 | | - mt76_wr(dev, MT_USB_DMA_CFG, val); |
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132 | | - val &= ~MT_USB_DMA_CFG_RX_DROP_OR_PADDING; |
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133 | | - mt76_wr(dev, MT_USB_DMA_CFG, val); |
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134 | | -} |
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135 | | - |
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136 | | -#define RANDOM_WRITE(dev, tab) \ |
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137 | | - mt76x0_write_reg_pairs(dev, MT_MCU_MEMMAP_WLAN, tab, ARRAY_SIZE(tab)); |
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138 | | - |
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139 | | -static int mt76x0_init_bbp(struct mt76x0_dev *dev) |
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| 87 | +static int mt76x0_init_bbp(struct mt76x02_dev *dev) |
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140 | 88 | { |
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141 | 89 | int ret, i; |
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142 | 90 | |
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143 | | - ret = mt76x0_wait_bbp_ready(dev); |
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| 91 | + ret = mt76x0_phy_wait_bbp_ready(dev); |
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144 | 92 | if (ret) |
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145 | 93 | return ret; |
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146 | 94 | |
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.. | .. |
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159 | 107 | return 0; |
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160 | 108 | } |
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161 | 109 | |
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162 | | -static void |
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163 | | -mt76_init_beacon_offsets(struct mt76x0_dev *dev) |
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| 110 | +static void mt76x0_init_mac_registers(struct mt76x02_dev *dev) |
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164 | 111 | { |
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165 | | - u16 base = MT_BEACON_BASE; |
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166 | | - u32 regs[4] = {}; |
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167 | | - int i; |
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168 | | - |
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169 | | - for (i = 0; i < 16; i++) { |
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170 | | - u16 addr = dev->beacon_offsets[i]; |
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171 | | - |
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172 | | - regs[i / 4] |= ((addr - base) / 64) << (8 * (i % 4)); |
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173 | | - } |
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174 | | - |
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175 | | - for (i = 0; i < 4; i++) |
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176 | | - mt76_wr(dev, MT_BCN_OFFSET(i), regs[i]); |
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177 | | -} |
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178 | | - |
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179 | | -static void mt76x0_init_mac_registers(struct mt76x0_dev *dev) |
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180 | | -{ |
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181 | | - u32 reg; |
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182 | | - |
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183 | 112 | RANDOM_WRITE(dev, common_mac_reg_table); |
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184 | | - |
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185 | | - mt76_init_beacon_offsets(dev); |
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186 | 113 | |
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187 | 114 | /* Enable PBF and MAC clock SYS_CTRL[11:10] = 0x3 */ |
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188 | 115 | RANDOM_WRITE(dev, mt76x0_mac_reg_table); |
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189 | 116 | |
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190 | 117 | /* Release BBP and MAC reset MAC_SYS_CTRL[1:0] = 0x0 */ |
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191 | | - reg = mt76_rr(dev, MT_MAC_SYS_CTRL); |
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192 | | - reg &= ~0x3; |
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193 | | - mt76_wr(dev, MT_MAC_SYS_CTRL, reg); |
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194 | | - |
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195 | | - if (is_mt7610e(dev)) { |
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196 | | - /* Disable COEX_EN */ |
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197 | | - reg = mt76_rr(dev, MT_COEXCFG0); |
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198 | | - reg &= 0xFFFFFFFE; |
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199 | | - mt76_wr(dev, MT_COEXCFG0, reg); |
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200 | | - } |
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| 118 | + mt76_clear(dev, MT_MAC_SYS_CTRL, 0x3); |
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201 | 119 | |
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202 | 120 | /* Set 0x141C[15:12]=0xF */ |
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203 | | - reg = mt76_rr(dev, MT_EXT_CCA_CFG); |
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204 | | - reg |= 0x0000F000; |
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205 | | - mt76_wr(dev, MT_EXT_CCA_CFG, reg); |
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| 121 | + mt76_set(dev, MT_EXT_CCA_CFG, 0xf000); |
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206 | 122 | |
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207 | 123 | mt76_clear(dev, MT_FCE_L2_STUFF, MT_FCE_L2_STUFF_WR_MPDU_LEN_EN); |
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208 | 124 | |
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209 | 125 | /* |
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210 | | - TxRing 9 is for Mgmt frame. |
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211 | | - TxRing 8 is for In-band command frame. |
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212 | | - WMM_RG0_TXQMA: This register setting is for FCE to define the rule of TxRing 9. |
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213 | | - WMM_RG1_TXQMA: This register setting is for FCE to define the rule of TxRing 8. |
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214 | | - */ |
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215 | | - reg = mt76_rr(dev, MT_WMM_CTRL); |
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216 | | - reg &= ~0x000003FF; |
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217 | | - reg |= 0x00000201; |
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218 | | - mt76_wr(dev, MT_WMM_CTRL, reg); |
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219 | | - |
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220 | | - /* TODO: Probably not needed */ |
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221 | | - mt76_wr(dev, 0x7028, 0); |
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222 | | - mt76_wr(dev, 0x7010, 0); |
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223 | | - mt76_wr(dev, 0x7024, 0); |
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224 | | - msleep(10); |
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| 126 | + * tx_ring 9 is for mgmt frame |
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| 127 | + * tx_ring 8 is for in-band command frame. |
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| 128 | + * WMM_RG0_TXQMA: this register setting is for FCE to |
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| 129 | + * define the rule of tx_ring 9 |
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| 130 | + * WMM_RG1_TXQMA: this register setting is for FCE to |
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| 131 | + * define the rule of tx_ring 8 |
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| 132 | + */ |
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| 133 | + mt76_rmw(dev, MT_WMM_CTRL, 0x3ff, 0x201); |
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225 | 134 | } |
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226 | 135 | |
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227 | | -static int mt76x0_init_wcid_mem(struct mt76x0_dev *dev) |
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| 136 | +void mt76x0_mac_stop(struct mt76x02_dev *dev) |
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228 | 137 | { |
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229 | | - u32 *vals; |
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230 | | - int i, ret; |
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| 138 | + int i = 200, ok = 0; |
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231 | 139 | |
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232 | | - vals = kmalloc(sizeof(*vals) * N_WCIDS * 2, GFP_KERNEL); |
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233 | | - if (!vals) |
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234 | | - return -ENOMEM; |
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235 | | - |
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236 | | - for (i = 0; i < N_WCIDS; i++) { |
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237 | | - vals[i * 2] = 0xffffffff; |
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238 | | - vals[i * 2 + 1] = 0x00ffffff; |
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239 | | - } |
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240 | | - |
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241 | | - ret = mt76x0_burst_write_regs(dev, MT_WCID_ADDR_BASE, |
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242 | | - vals, N_WCIDS * 2); |
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243 | | - kfree(vals); |
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244 | | - |
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245 | | - return ret; |
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246 | | -} |
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247 | | - |
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248 | | -static int mt76x0_init_key_mem(struct mt76x0_dev *dev) |
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249 | | -{ |
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250 | | - u32 vals[4] = {}; |
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251 | | - |
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252 | | - return mt76x0_burst_write_regs(dev, MT_SKEY_MODE_BASE_0, |
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253 | | - vals, ARRAY_SIZE(vals)); |
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254 | | -} |
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255 | | - |
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256 | | -static int mt76x0_init_wcid_attr_mem(struct mt76x0_dev *dev) |
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257 | | -{ |
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258 | | - u32 *vals; |
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259 | | - int i, ret; |
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260 | | - |
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261 | | - vals = kmalloc(sizeof(*vals) * N_WCIDS * 2, GFP_KERNEL); |
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262 | | - if (!vals) |
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263 | | - return -ENOMEM; |
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264 | | - |
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265 | | - for (i = 0; i < N_WCIDS * 2; i++) |
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266 | | - vals[i] = 1; |
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267 | | - |
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268 | | - ret = mt76x0_burst_write_regs(dev, MT_WCID_ATTR_BASE, |
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269 | | - vals, N_WCIDS * 2); |
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270 | | - kfree(vals); |
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271 | | - |
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272 | | - return ret; |
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273 | | -} |
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274 | | - |
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275 | | -static void mt76x0_reset_counters(struct mt76x0_dev *dev) |
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276 | | -{ |
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277 | | - mt76_rr(dev, MT_RX_STA_CNT0); |
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278 | | - mt76_rr(dev, MT_RX_STA_CNT1); |
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279 | | - mt76_rr(dev, MT_RX_STA_CNT2); |
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280 | | - mt76_rr(dev, MT_TX_STA_CNT0); |
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281 | | - mt76_rr(dev, MT_TX_STA_CNT1); |
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282 | | - mt76_rr(dev, MT_TX_STA_CNT2); |
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283 | | -} |
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284 | | - |
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285 | | -int mt76x0_mac_start(struct mt76x0_dev *dev) |
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286 | | -{ |
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287 | | - mt76_wr(dev, MT_MAC_SYS_CTRL, MT_MAC_SYS_CTRL_ENABLE_TX); |
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288 | | - |
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289 | | - if (!mt76_poll(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_DMA_BUSY | |
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290 | | - MT_WPDMA_GLO_CFG_RX_DMA_BUSY, 0, 200000)) |
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291 | | - return -ETIMEDOUT; |
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292 | | - |
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293 | | - dev->rxfilter = MT_RX_FILTR_CFG_CRC_ERR | |
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294 | | - MT_RX_FILTR_CFG_PHY_ERR | MT_RX_FILTR_CFG_PROMISC | |
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295 | | - MT_RX_FILTR_CFG_VER_ERR | MT_RX_FILTR_CFG_DUP | |
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296 | | - MT_RX_FILTR_CFG_CFACK | MT_RX_FILTR_CFG_CFEND | |
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297 | | - MT_RX_FILTR_CFG_ACK | MT_RX_FILTR_CFG_CTS | |
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298 | | - MT_RX_FILTR_CFG_RTS | MT_RX_FILTR_CFG_PSPOLL | |
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299 | | - MT_RX_FILTR_CFG_BA | MT_RX_FILTR_CFG_CTRL_RSV; |
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300 | | - mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter); |
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301 | | - |
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302 | | - mt76_wr(dev, MT_MAC_SYS_CTRL, |
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303 | | - MT_MAC_SYS_CTRL_ENABLE_TX | MT_MAC_SYS_CTRL_ENABLE_RX); |
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304 | | - |
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305 | | - if (!mt76_poll(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_DMA_BUSY | |
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306 | | - MT_WPDMA_GLO_CFG_RX_DMA_BUSY, 0, 50)) |
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307 | | - return -ETIMEDOUT; |
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308 | | - |
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309 | | - return 0; |
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310 | | -} |
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311 | | - |
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312 | | -static void mt76x0_mac_stop_hw(struct mt76x0_dev *dev) |
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313 | | -{ |
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314 | | - int i, ok; |
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315 | | - |
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316 | | - if (test_bit(MT76_REMOVED, &dev->mt76.state)) |
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317 | | - return; |
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318 | | - |
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319 | | - mt76_clear(dev, MT_BEACON_TIME_CFG, MT_BEACON_TIME_CFG_TIMER_EN | |
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320 | | - MT_BEACON_TIME_CFG_SYNC_MODE | MT_BEACON_TIME_CFG_TBTT_EN | |
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321 | | - MT_BEACON_TIME_CFG_BEACON_TX); |
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322 | | - |
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323 | | - if (!mt76_poll(dev, MT_USB_DMA_CFG, MT_USB_DMA_CFG_TX_BUSY, 0, 1000)) |
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324 | | - dev_warn(dev->mt76.dev, "Warning: TX DMA did not stop!\n"); |
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| 140 | + mt76_clear(dev, MT_TXOP_CTRL_CFG, MT_TXOP_ED_CCA_EN); |
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325 | 141 | |
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326 | 142 | /* Page count on TxQ */ |
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327 | | - i = 200; |
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328 | 143 | while (i-- && ((mt76_rr(dev, 0x0438) & 0xffffffff) || |
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329 | 144 | (mt76_rr(dev, 0x0a30) & 0x000000ff) || |
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330 | 145 | (mt76_rr(dev, 0x0a34) & 0x00ff00ff))) |
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.. | .. |
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337 | 152 | MT_MAC_SYS_CTRL_ENABLE_TX); |
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338 | 153 | |
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339 | 154 | /* Page count on RxQ */ |
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340 | | - ok = 0; |
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341 | | - i = 200; |
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342 | | - while (i--) { |
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| 155 | + for (i = 0; i < 200; i++) { |
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343 | 156 | if (!(mt76_rr(dev, MT_RXQ_STA) & 0x00ff0000) && |
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344 | 157 | !mt76_rr(dev, 0x0a30) && |
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345 | 158 | !mt76_rr(dev, 0x0a34)) { |
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.. | .. |
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352 | 165 | |
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353 | 166 | if (!mt76_poll(dev, MT_MAC_STATUS, MT_MAC_STATUS_RX, 0, 1000)) |
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354 | 167 | dev_warn(dev->mt76.dev, "Warning: MAC RX did not stop!\n"); |
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355 | | - |
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356 | | - if (!mt76_poll(dev, MT_USB_DMA_CFG, MT_USB_DMA_CFG_RX_BUSY, 0, 1000)) |
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357 | | - dev_warn(dev->mt76.dev, "Warning: RX DMA did not stop!\n"); |
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358 | 168 | } |
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| 169 | +EXPORT_SYMBOL_GPL(mt76x0_mac_stop); |
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359 | 170 | |
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360 | | -void mt76x0_mac_stop(struct mt76x0_dev *dev) |
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| 171 | +int mt76x0_init_hardware(struct mt76x02_dev *dev) |
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361 | 172 | { |
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362 | | - mt76x0_mac_stop_hw(dev); |
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363 | | - flush_delayed_work(&dev->stat_work); |
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364 | | - cancel_delayed_work_sync(&dev->stat_work); |
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365 | | -} |
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| 173 | + int ret, i, k; |
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366 | 174 | |
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367 | | -static void mt76x0_stop_hardware(struct mt76x0_dev *dev) |
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368 | | -{ |
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369 | | - mt76x0_chip_onoff(dev, false, false); |
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370 | | -} |
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371 | | - |
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372 | | -int mt76x0_init_hardware(struct mt76x0_dev *dev, bool reset) |
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373 | | -{ |
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374 | | - static const u16 beacon_offsets[16] = { |
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375 | | - /* 512 byte per beacon */ |
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376 | | - 0xc000, 0xc200, 0xc400, 0xc600, |
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377 | | - 0xc800, 0xca00, 0xcc00, 0xce00, |
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378 | | - 0xd000, 0xd200, 0xd400, 0xd600, |
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379 | | - 0xd800, 0xda00, 0xdc00, 0xde00 |
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380 | | - }; |
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381 | | - int ret; |
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382 | | - |
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383 | | - dev->beacon_offsets = beacon_offsets; |
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384 | | - |
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385 | | - mt76x0_chip_onoff(dev, true, reset); |
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386 | | - |
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387 | | - ret = mt76x0_wait_asic_ready(dev); |
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388 | | - if (ret) |
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389 | | - goto err; |
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390 | | - ret = mt76x0_mcu_init(dev); |
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391 | | - if (ret) |
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392 | | - goto err; |
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393 | | - |
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394 | | - if (!mt76_poll_msec(dev, MT_WPDMA_GLO_CFG, |
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395 | | - MT_WPDMA_GLO_CFG_TX_DMA_BUSY | |
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396 | | - MT_WPDMA_GLO_CFG_RX_DMA_BUSY, 0, 100)) { |
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397 | | - ret = -EIO; |
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398 | | - goto err; |
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399 | | - } |
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| 175 | + if (!mt76x02_wait_for_wpdma(&dev->mt76, 1000)) |
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| 176 | + return -EIO; |
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400 | 177 | |
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401 | 178 | /* Wait for ASIC ready after FW load. */ |
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402 | | - ret = mt76x0_wait_asic_ready(dev); |
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403 | | - if (ret) |
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404 | | - goto err; |
---|
| 179 | + if (!mt76x02_wait_for_mac(&dev->mt76)) |
---|
| 180 | + return -ETIMEDOUT; |
---|
405 | 181 | |
---|
406 | 182 | mt76x0_reset_csr_bbp(dev); |
---|
407 | | - mt76x0_init_usb_dma(dev); |
---|
408 | | - |
---|
409 | | - mt76_wr(dev, MT_HEADER_TRANS_CTRL_REG, 0x0); |
---|
410 | | - mt76_wr(dev, MT_TSO_CTRL, 0x0); |
---|
411 | | - |
---|
412 | | - ret = mt76x0_mcu_cmd_init(dev); |
---|
413 | | - if (ret) |
---|
414 | | - goto err; |
---|
415 | | - ret = mt76x0_dma_init(dev); |
---|
416 | | - if (ret) |
---|
417 | | - goto err_mcu; |
---|
418 | | - |
---|
419 | | - mt76x0_init_mac_registers(dev); |
---|
420 | | - |
---|
421 | | - if (!mt76_poll_msec(dev, MT_MAC_STATUS, |
---|
422 | | - MT_MAC_STATUS_TX | MT_MAC_STATUS_RX, 0, 1000)) { |
---|
423 | | - ret = -EIO; |
---|
424 | | - goto err_rx; |
---|
425 | | - } |
---|
426 | | - |
---|
427 | | - ret = mt76x0_init_bbp(dev); |
---|
428 | | - if (ret) |
---|
429 | | - goto err_rx; |
---|
430 | | - |
---|
431 | | - ret = mt76x0_init_wcid_mem(dev); |
---|
432 | | - if (ret) |
---|
433 | | - goto err_rx; |
---|
434 | | - ret = mt76x0_init_key_mem(dev); |
---|
435 | | - if (ret) |
---|
436 | | - goto err_rx; |
---|
437 | | - ret = mt76x0_init_wcid_attr_mem(dev); |
---|
438 | | - if (ret) |
---|
439 | | - goto err_rx; |
---|
440 | | - |
---|
441 | | - mt76_clear(dev, MT_BEACON_TIME_CFG, (MT_BEACON_TIME_CFG_TIMER_EN | |
---|
442 | | - MT_BEACON_TIME_CFG_SYNC_MODE | |
---|
443 | | - MT_BEACON_TIME_CFG_TBTT_EN | |
---|
444 | | - MT_BEACON_TIME_CFG_BEACON_TX)); |
---|
445 | | - |
---|
446 | | - mt76x0_reset_counters(dev); |
---|
447 | | - |
---|
448 | | - mt76_rmw(dev, MT_US_CYC_CFG, MT_US_CYC_CNT, 0x1e); |
---|
449 | | - |
---|
450 | | - mt76_wr(dev, MT_TXOP_CTRL_CFG, |
---|
451 | | - FIELD_PREP(MT_TXOP_TRUN_EN, 0x3f) | |
---|
452 | | - FIELD_PREP(MT_TXOP_EXT_CCA_DLY, 0x58)); |
---|
453 | | - |
---|
454 | | - ret = mt76x0_eeprom_init(dev); |
---|
455 | | - if (ret) |
---|
456 | | - goto err_rx; |
---|
457 | | - |
---|
458 | | - mt76x0_phy_init(dev); |
---|
459 | | - return 0; |
---|
460 | | - |
---|
461 | | -err_rx: |
---|
462 | | - mt76x0_dma_cleanup(dev); |
---|
463 | | -err_mcu: |
---|
464 | | - mt76x0_mcu_cmd_deinit(dev); |
---|
465 | | -err: |
---|
466 | | - mt76x0_chip_onoff(dev, false, false); |
---|
467 | | - return ret; |
---|
468 | | -} |
---|
469 | | - |
---|
470 | | -void mt76x0_cleanup(struct mt76x0_dev *dev) |
---|
471 | | -{ |
---|
472 | | - if (!test_and_clear_bit(MT76_STATE_INITIALIZED, &dev->mt76.state)) |
---|
473 | | - return; |
---|
474 | | - |
---|
475 | | - mt76x0_stop_hardware(dev); |
---|
476 | | - mt76x0_dma_cleanup(dev); |
---|
477 | | - mt76x0_mcu_cmd_deinit(dev); |
---|
478 | | -} |
---|
479 | | - |
---|
480 | | -struct mt76x0_dev *mt76x0_alloc_device(struct device *pdev) |
---|
481 | | -{ |
---|
482 | | - struct ieee80211_hw *hw; |
---|
483 | | - struct mt76x0_dev *dev; |
---|
484 | | - |
---|
485 | | - hw = ieee80211_alloc_hw(sizeof(*dev), &mt76x0_ops); |
---|
486 | | - if (!hw) |
---|
487 | | - return NULL; |
---|
488 | | - |
---|
489 | | - dev = hw->priv; |
---|
490 | | - dev->mt76.dev = pdev; |
---|
491 | | - dev->mt76.hw = hw; |
---|
492 | | - mutex_init(&dev->usb_ctrl_mtx); |
---|
493 | | - mutex_init(&dev->reg_atomic_mutex); |
---|
494 | | - mutex_init(&dev->hw_atomic_mutex); |
---|
495 | | - mutex_init(&dev->mutex); |
---|
496 | | - spin_lock_init(&dev->tx_lock); |
---|
497 | | - spin_lock_init(&dev->rx_lock); |
---|
498 | | - spin_lock_init(&dev->mt76.lock); |
---|
499 | | - spin_lock_init(&dev->mac_lock); |
---|
500 | | - spin_lock_init(&dev->con_mon_lock); |
---|
501 | | - atomic_set(&dev->avg_ampdu_len, 1); |
---|
502 | | - skb_queue_head_init(&dev->tx_skb_done); |
---|
503 | | - |
---|
504 | | - dev->stat_wq = alloc_workqueue("mt76x0", WQ_UNBOUND, 0); |
---|
505 | | - if (!dev->stat_wq) { |
---|
506 | | - ieee80211_free_hw(hw); |
---|
507 | | - return NULL; |
---|
508 | | - } |
---|
509 | | - |
---|
510 | | - return dev; |
---|
511 | | -} |
---|
512 | | - |
---|
513 | | -#define CHAN2G(_idx, _freq) { \ |
---|
514 | | - .band = NL80211_BAND_2GHZ, \ |
---|
515 | | - .center_freq = (_freq), \ |
---|
516 | | - .hw_value = (_idx), \ |
---|
517 | | - .max_power = 30, \ |
---|
518 | | -} |
---|
519 | | - |
---|
520 | | -static const struct ieee80211_channel mt76_channels_2ghz[] = { |
---|
521 | | - CHAN2G(1, 2412), |
---|
522 | | - CHAN2G(2, 2417), |
---|
523 | | - CHAN2G(3, 2422), |
---|
524 | | - CHAN2G(4, 2427), |
---|
525 | | - CHAN2G(5, 2432), |
---|
526 | | - CHAN2G(6, 2437), |
---|
527 | | - CHAN2G(7, 2442), |
---|
528 | | - CHAN2G(8, 2447), |
---|
529 | | - CHAN2G(9, 2452), |
---|
530 | | - CHAN2G(10, 2457), |
---|
531 | | - CHAN2G(11, 2462), |
---|
532 | | - CHAN2G(12, 2467), |
---|
533 | | - CHAN2G(13, 2472), |
---|
534 | | - CHAN2G(14, 2484), |
---|
535 | | -}; |
---|
536 | | - |
---|
537 | | -#define CHAN5G(_idx, _freq) { \ |
---|
538 | | - .band = NL80211_BAND_5GHZ, \ |
---|
539 | | - .center_freq = (_freq), \ |
---|
540 | | - .hw_value = (_idx), \ |
---|
541 | | - .max_power = 30, \ |
---|
542 | | -} |
---|
543 | | - |
---|
544 | | -static const struct ieee80211_channel mt76_channels_5ghz[] = { |
---|
545 | | - CHAN5G(36, 5180), |
---|
546 | | - CHAN5G(40, 5200), |
---|
547 | | - CHAN5G(44, 5220), |
---|
548 | | - CHAN5G(46, 5230), |
---|
549 | | - CHAN5G(48, 5240), |
---|
550 | | - CHAN5G(52, 5260), |
---|
551 | | - CHAN5G(56, 5280), |
---|
552 | | - CHAN5G(60, 5300), |
---|
553 | | - CHAN5G(64, 5320), |
---|
554 | | - |
---|
555 | | - CHAN5G(100, 5500), |
---|
556 | | - CHAN5G(104, 5520), |
---|
557 | | - CHAN5G(108, 5540), |
---|
558 | | - CHAN5G(112, 5560), |
---|
559 | | - CHAN5G(116, 5580), |
---|
560 | | - CHAN5G(120, 5600), |
---|
561 | | - CHAN5G(124, 5620), |
---|
562 | | - CHAN5G(128, 5640), |
---|
563 | | - CHAN5G(132, 5660), |
---|
564 | | - CHAN5G(136, 5680), |
---|
565 | | - CHAN5G(140, 5700), |
---|
566 | | -}; |
---|
567 | | - |
---|
568 | | -#define CCK_RATE(_idx, _rate) { \ |
---|
569 | | - .bitrate = _rate, \ |
---|
570 | | - .flags = IEEE80211_RATE_SHORT_PREAMBLE, \ |
---|
571 | | - .hw_value = (MT_PHY_TYPE_CCK << 8) | _idx, \ |
---|
572 | | - .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (8 + _idx), \ |
---|
573 | | -} |
---|
574 | | - |
---|
575 | | -#define OFDM_RATE(_idx, _rate) { \ |
---|
576 | | - .bitrate = _rate, \ |
---|
577 | | - .hw_value = (MT_PHY_TYPE_OFDM << 8) | _idx, \ |
---|
578 | | - .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | _idx, \ |
---|
579 | | -} |
---|
580 | | - |
---|
581 | | -static struct ieee80211_rate mt76_rates[] = { |
---|
582 | | - CCK_RATE(0, 10), |
---|
583 | | - CCK_RATE(1, 20), |
---|
584 | | - CCK_RATE(2, 55), |
---|
585 | | - CCK_RATE(3, 110), |
---|
586 | | - OFDM_RATE(0, 60), |
---|
587 | | - OFDM_RATE(1, 90), |
---|
588 | | - OFDM_RATE(2, 120), |
---|
589 | | - OFDM_RATE(3, 180), |
---|
590 | | - OFDM_RATE(4, 240), |
---|
591 | | - OFDM_RATE(5, 360), |
---|
592 | | - OFDM_RATE(6, 480), |
---|
593 | | - OFDM_RATE(7, 540), |
---|
594 | | -}; |
---|
595 | | - |
---|
596 | | -static int |
---|
597 | | -mt76_init_sband(struct mt76x0_dev *dev, struct ieee80211_supported_band *sband, |
---|
598 | | - const struct ieee80211_channel *chan, int n_chan, |
---|
599 | | - struct ieee80211_rate *rates, int n_rates) |
---|
600 | | -{ |
---|
601 | | - struct ieee80211_sta_ht_cap *ht_cap; |
---|
602 | | - void *chanlist; |
---|
603 | | - int size; |
---|
604 | | - |
---|
605 | | - size = n_chan * sizeof(*chan); |
---|
606 | | - chanlist = devm_kmemdup(dev->mt76.dev, chan, size, GFP_KERNEL); |
---|
607 | | - if (!chanlist) |
---|
608 | | - return -ENOMEM; |
---|
609 | | - |
---|
610 | | - sband->channels = chanlist; |
---|
611 | | - sband->n_channels = n_chan; |
---|
612 | | - sband->bitrates = rates; |
---|
613 | | - sband->n_bitrates = n_rates; |
---|
614 | | - |
---|
615 | | - ht_cap = &sband->ht_cap; |
---|
616 | | - ht_cap->ht_supported = true; |
---|
617 | | - ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | |
---|
618 | | - IEEE80211_HT_CAP_GRN_FLD | |
---|
619 | | - IEEE80211_HT_CAP_SGI_20 | |
---|
620 | | - IEEE80211_HT_CAP_SGI_40 | |
---|
621 | | - (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT); |
---|
622 | | - |
---|
623 | | - ht_cap->mcs.rx_mask[0] = 0xff; |
---|
624 | | - ht_cap->mcs.rx_mask[4] = 0x1; |
---|
625 | | - ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; |
---|
626 | | - ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; |
---|
627 | | - ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_2; |
---|
628 | | - |
---|
629 | | - return 0; |
---|
630 | | -} |
---|
631 | | - |
---|
632 | | -static int |
---|
633 | | -mt76_init_sband_2g(struct mt76x0_dev *dev) |
---|
634 | | -{ |
---|
635 | | - dev->mt76.hw->wiphy->bands[NL80211_BAND_2GHZ] = &dev->mt76.sband_2g.sband; |
---|
636 | | - |
---|
637 | | - WARN_ON(dev->ee->reg.start - 1 + dev->ee->reg.num > |
---|
638 | | - ARRAY_SIZE(mt76_channels_2ghz)); |
---|
639 | | - |
---|
640 | | - |
---|
641 | | - return mt76_init_sband(dev, &dev->mt76.sband_2g.sband, |
---|
642 | | - mt76_channels_2ghz, ARRAY_SIZE(mt76_channels_2ghz), |
---|
643 | | - mt76_rates, ARRAY_SIZE(mt76_rates)); |
---|
644 | | -} |
---|
645 | | - |
---|
646 | | -static int |
---|
647 | | -mt76_init_sband_5g(struct mt76x0_dev *dev) |
---|
648 | | -{ |
---|
649 | | - dev->mt76.hw->wiphy->bands[NL80211_BAND_5GHZ] = &dev->mt76.sband_5g.sband; |
---|
650 | | - |
---|
651 | | - return mt76_init_sband(dev, &dev->mt76.sband_5g.sband, |
---|
652 | | - mt76_channels_5ghz, ARRAY_SIZE(mt76_channels_5ghz), |
---|
653 | | - mt76_rates + 4, ARRAY_SIZE(mt76_rates) - 4); |
---|
654 | | -} |
---|
655 | | - |
---|
656 | | - |
---|
657 | | -int mt76x0_register_device(struct mt76x0_dev *dev) |
---|
658 | | -{ |
---|
659 | | - struct ieee80211_hw *hw = dev->mt76.hw; |
---|
660 | | - struct wiphy *wiphy = hw->wiphy; |
---|
661 | | - int ret; |
---|
662 | | - |
---|
663 | | - /* Reserve WCID 0 for mcast - thanks to this APs WCID will go to |
---|
664 | | - * entry no. 1 like it does in the vendor driver. |
---|
665 | | - */ |
---|
666 | | - dev->wcid_mask[0] |= 1; |
---|
667 | | - |
---|
668 | | - /* init fake wcid for monitor interfaces */ |
---|
669 | | - dev->mon_wcid = devm_kmalloc(dev->mt76.dev, sizeof(*dev->mon_wcid), |
---|
670 | | - GFP_KERNEL); |
---|
671 | | - if (!dev->mon_wcid) |
---|
672 | | - return -ENOMEM; |
---|
673 | | - dev->mon_wcid->idx = 0xff; |
---|
674 | | - dev->mon_wcid->hw_key_idx = -1; |
---|
675 | | - |
---|
676 | | - SET_IEEE80211_DEV(hw, dev->mt76.dev); |
---|
677 | | - |
---|
678 | | - hw->queues = 4; |
---|
679 | | - ieee80211_hw_set(hw, SIGNAL_DBM); |
---|
680 | | - ieee80211_hw_set(hw, PS_NULLFUNC_STACK); |
---|
681 | | - ieee80211_hw_set(hw, SUPPORTS_HT_CCK_RATES); |
---|
682 | | - ieee80211_hw_set(hw, AMPDU_AGGREGATION); |
---|
683 | | - ieee80211_hw_set(hw, SUPPORTS_RC_TABLE); |
---|
684 | | - ieee80211_hw_set(hw, MFP_CAPABLE); |
---|
685 | | - hw->max_rates = 1; |
---|
686 | | - hw->max_report_rates = 7; |
---|
687 | | - hw->max_rate_tries = 1; |
---|
688 | | - |
---|
689 | | - hw->sta_data_size = sizeof(struct mt76_sta); |
---|
690 | | - hw->vif_data_size = sizeof(struct mt76_vif); |
---|
691 | | - |
---|
692 | | - SET_IEEE80211_PERM_ADDR(hw, dev->macaddr); |
---|
693 | | - |
---|
694 | | - wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR; |
---|
695 | | - wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); |
---|
696 | | - |
---|
697 | | - if (dev->ee->has_2ghz) { |
---|
698 | | - ret = mt76_init_sband_2g(dev); |
---|
699 | | - if (ret) |
---|
700 | | - return ret; |
---|
701 | | - } |
---|
702 | | - |
---|
703 | | - if (dev->ee->has_5ghz) { |
---|
704 | | - ret = mt76_init_sband_5g(dev); |
---|
705 | | - if (ret) |
---|
706 | | - return ret; |
---|
707 | | - } |
---|
708 | | - |
---|
709 | | - dev->mt76.chandef.chan = &dev->mt76.sband_2g.sband.channels[0]; |
---|
710 | | - |
---|
711 | | - INIT_DELAYED_WORK(&dev->mac_work, mt76x0_mac_work); |
---|
712 | | - INIT_DELAYED_WORK(&dev->stat_work, mt76x0_tx_stat); |
---|
713 | | - |
---|
714 | | - ret = ieee80211_register_hw(hw); |
---|
| 183 | + ret = mt76x02_mcu_function_select(dev, Q_SELECT, 1); |
---|
715 | 184 | if (ret) |
---|
716 | 185 | return ret; |
---|
717 | 186 | |
---|
718 | | - mt76x0_init_debugfs(dev); |
---|
| 187 | + mt76x0_init_mac_registers(dev); |
---|
| 188 | + |
---|
| 189 | + if (!mt76x02_wait_for_txrx_idle(&dev->mt76)) |
---|
| 190 | + return -EIO; |
---|
| 191 | + |
---|
| 192 | + ret = mt76x0_init_bbp(dev); |
---|
| 193 | + if (ret) |
---|
| 194 | + return ret; |
---|
| 195 | + |
---|
| 196 | + dev->mt76.rxfilter = mt76_rr(dev, MT_RX_FILTR_CFG); |
---|
| 197 | + |
---|
| 198 | + for (i = 0; i < 16; i++) |
---|
| 199 | + for (k = 0; k < 4; k++) |
---|
| 200 | + mt76x02_mac_shared_key_setup(dev, i, k, NULL); |
---|
| 201 | + |
---|
| 202 | + for (i = 0; i < 256; i++) |
---|
| 203 | + mt76x02_mac_wcid_setup(dev, i, 0, NULL); |
---|
| 204 | + |
---|
| 205 | + ret = mt76x0_eeprom_init(dev); |
---|
| 206 | + if (ret) |
---|
| 207 | + return ret; |
---|
| 208 | + |
---|
| 209 | + mt76x0_phy_init(dev); |
---|
719 | 210 | |
---|
720 | 211 | return 0; |
---|
721 | 212 | } |
---|
| 213 | +EXPORT_SYMBOL_GPL(mt76x0_init_hardware); |
---|
| 214 | + |
---|
| 215 | +static void |
---|
| 216 | +mt76x0_init_txpower(struct mt76x02_dev *dev, |
---|
| 217 | + struct ieee80211_supported_band *sband) |
---|
| 218 | +{ |
---|
| 219 | + struct ieee80211_channel *chan; |
---|
| 220 | + struct mt76_rate_power t; |
---|
| 221 | + s8 tp; |
---|
| 222 | + int i; |
---|
| 223 | + |
---|
| 224 | + for (i = 0; i < sband->n_channels; i++) { |
---|
| 225 | + chan = &sband->channels[i]; |
---|
| 226 | + |
---|
| 227 | + mt76x0_get_tx_power_per_rate(dev, chan, &t); |
---|
| 228 | + mt76x0_get_power_info(dev, chan, &tp); |
---|
| 229 | + |
---|
| 230 | + chan->orig_mpwr = (mt76x02_get_max_rate_power(&t) + tp) / 2; |
---|
| 231 | + chan->max_power = min_t(int, chan->max_reg_power, |
---|
| 232 | + chan->orig_mpwr); |
---|
| 233 | + } |
---|
| 234 | +} |
---|
| 235 | + |
---|
| 236 | +int mt76x0_register_device(struct mt76x02_dev *dev) |
---|
| 237 | +{ |
---|
| 238 | + int ret; |
---|
| 239 | + |
---|
| 240 | + mt76x02_init_device(dev); |
---|
| 241 | + mt76x02_config_mac_addr_list(dev); |
---|
| 242 | + |
---|
| 243 | + ret = mt76_register_device(&dev->mt76, true, mt76x02_rates, |
---|
| 244 | + ARRAY_SIZE(mt76x02_rates)); |
---|
| 245 | + if (ret) |
---|
| 246 | + return ret; |
---|
| 247 | + |
---|
| 248 | + if (dev->mphy.cap.has_5ghz) { |
---|
| 249 | + struct ieee80211_supported_band *sband; |
---|
| 250 | + |
---|
| 251 | + sband = &dev->mphy.sband_5g.sband; |
---|
| 252 | + sband->vht_cap.cap &= ~IEEE80211_VHT_CAP_RXLDPC; |
---|
| 253 | + mt76x0_init_txpower(dev, sband); |
---|
| 254 | + } |
---|
| 255 | + |
---|
| 256 | + if (dev->mphy.cap.has_2ghz) |
---|
| 257 | + mt76x0_init_txpower(dev, &dev->mphy.sband_2g.sband); |
---|
| 258 | + |
---|
| 259 | + mt76x02_init_debugfs(dev); |
---|
| 260 | + |
---|
| 261 | + return 0; |
---|
| 262 | +} |
---|
| 263 | +EXPORT_SYMBOL_GPL(mt76x0_register_device); |
---|