1 // SPDX-License-Identifier: ISC 2 /* Copyright (C) 2019 MediaTek Inc. 3 * 4 * Author: Roy Luo <royluo@google.com> 5 * Ryder Lee <ryder.lee@mediatek.com> 6 * Felix Fietkau <nbd@nbd.name> 7 * Lorenzo Bianconi <lorenzo@kernel.org> 8 */ 9 10 #include <linux/etherdevice.h> 11 #include "mt7615.h" 12 #include "mac.h" 13 #include "eeprom.h" 14 15 static void mt7615_pci_init_work(struct work_struct *work) 16 { 17 struct mt7615_dev *dev = container_of(work, struct mt7615_dev, 18 mcu_work); 19 int i, ret; 20 21 ret = mt7615_mcu_init(dev); 22 for (i = 0; (ret == -EAGAIN) && (i < 10); i++) { 23 msleep(200); 24 ret = mt7615_mcu_init(dev); 25 } 26 27 if (ret) 28 return; 29 30 mt7615_init_work(dev); 31 } 32 33 static int mt7615_init_hardware(struct mt7615_dev *dev) 34 { 35 u32 addr = mt7615_reg_map(dev, MT_EFUSE_BASE); 36 int ret, idx; 37 38 mt76_wr(dev, MT_INT_SOURCE_CSR, ~0); 39 40 INIT_WORK(&dev->mcu_work, mt7615_pci_init_work); 41 ret = mt7615_eeprom_init(dev, addr); 42 if (ret < 0) 43 return ret; 44 45 if (is_mt7663(&dev->mt76)) { 46 /* Reset RGU */ 47 mt76_clear(dev, MT_MCU_CIRQ_IRQ_SEL(4), BIT(1)); 48 mt76_set(dev, MT_MCU_CIRQ_IRQ_SEL(4), BIT(1)); 49 } 50 51 ret = mt7615_dma_init(dev); 52 if (ret) 53 return ret; 54 55 set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); 56 57 /* Beacon and mgmt frames should occupy wcid 0 */ 58 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1); 59 if (idx) 60 return -ENOSPC; 61 62 dev->mt76.global_wcid.idx = idx; 63 dev->mt76.global_wcid.hw_key_idx = -1; 64 rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid); 65 66 return 0; 67 } 68 69 static void 70 mt7615_led_set_config(struct led_classdev *led_cdev, 71 u8 delay_on, u8 delay_off) 72 { 73 struct mt7615_dev *dev; 74 struct mt76_dev *mt76; 75 u32 val, addr; 76 77 mt76 = container_of(led_cdev, struct mt76_dev, led_cdev); 78 dev = container_of(mt76, struct mt7615_dev, mt76); 79 80 if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) 81 return; 82 83 val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xffff) | 84 FIELD_PREP(MT_LED_STATUS_OFF, delay_off) | 85 FIELD_PREP(MT_LED_STATUS_ON, delay_on); 86 87 addr = mt7615_reg_map(dev, MT_LED_STATUS_0(mt76->led_pin)); 88 mt76_wr(dev, addr, val); 89 addr = mt7615_reg_map(dev, MT_LED_STATUS_1(mt76->led_pin)); 90 mt76_wr(dev, addr, val); 91 92 val = MT_LED_CTRL_REPLAY(mt76->led_pin) | 93 MT_LED_CTRL_KICK(mt76->led_pin); 94 if (mt76->led_al) 95 val |= MT_LED_CTRL_POLARITY(mt76->led_pin); 96 addr = mt7615_reg_map(dev, MT_LED_CTRL); 97 mt76_wr(dev, addr, val); 98 99 mt76_connac_pm_unref(&dev->mphy, &dev->pm); 100 } 101 102 static int 103 mt7615_led_set_blink(struct led_classdev *led_cdev, 104 unsigned long *delay_on, 105 unsigned long *delay_off) 106 { 107 u8 delta_on, delta_off; 108 109 delta_off = max_t(u8, *delay_off / 10, 1); 110 delta_on = max_t(u8, *delay_on / 10, 1); 111 112 mt7615_led_set_config(led_cdev, delta_on, delta_off); 113 114 return 0; 115 } 116 117 static void 118 mt7615_led_set_brightness(struct led_classdev *led_cdev, 119 enum led_brightness brightness) 120 { 121 if (!brightness) 122 mt7615_led_set_config(led_cdev, 0, 0xff); 123 else 124 mt7615_led_set_config(led_cdev, 0xff, 0); 125 } 126 127 int mt7615_register_device(struct mt7615_dev *dev) 128 { 129 int ret; 130 131 mt7615_init_device(dev); 132 INIT_WORK(&dev->reset_work, mt7615_mac_reset_work); 133 134 /* init led callbacks */ 135 if (IS_ENABLED(CONFIG_MT76_LEDS)) { 136 dev->mt76.led_cdev.brightness_set = mt7615_led_set_brightness; 137 dev->mt76.led_cdev.blink_set = mt7615_led_set_blink; 138 } 139 140 ret = mt7622_wmac_init(dev); 141 if (ret) 142 return ret; 143 144 ret = mt7615_init_hardware(dev); 145 if (ret) 146 return ret; 147 148 ret = mt76_register_device(&dev->mt76, true, mt76_rates, 149 ARRAY_SIZE(mt76_rates)); 150 if (ret) 151 return ret; 152 153 ret = mt7615_thermal_init(dev); 154 if (ret) 155 return ret; 156 157 ieee80211_queue_work(mt76_hw(dev), &dev->mcu_work); 158 mt7615_init_txpower(dev, &dev->mphy.sband_2g.sband); 159 mt7615_init_txpower(dev, &dev->mphy.sband_5g.sband); 160 161 if (dev->dbdc_support) { 162 ret = mt7615_register_ext_phy(dev); 163 if (ret) 164 return ret; 165 } 166 167 return mt7615_init_debugfs(dev); 168 } 169 170 void mt7615_unregister_device(struct mt7615_dev *dev) 171 { 172 bool mcu_running; 173 174 mcu_running = mt7615_wait_for_mcu_init(dev); 175 176 mt7615_unregister_ext_phy(dev); 177 mt76_unregister_device(&dev->mt76); 178 if (mcu_running) 179 mt7615_mcu_exit(dev); 180 181 mt7615_tx_token_put(dev); 182 mt7615_dma_cleanup(dev); 183 tasklet_disable(&dev->irq_tasklet); 184 185 mt76_free_device(&dev->mt76); 186 } 187