developer | b11a539 | 2022-03-31 00:34:47 +0800 | [diff] [blame] | 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 | } |