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1// SPDX-License-Identifier: ISC2/* 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 15static 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 33static 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 69int mt7615_register_device(struct mt7615_dev *dev)70{71 int ret;72 73 mt7615_init_device(dev);74 INIT_WORK(&dev->reset_work, mt7615_mac_reset_work);75 76 /* init led callbacks */77 if (IS_ENABLED(CONFIG_MT76_LEDS)) {78 dev->mphy.leds.cdev.brightness_set = mt7615_led_set_brightness;79 dev->mphy.leds.cdev.blink_set = mt7615_led_set_blink;80 }81 82 ret = mt7622_wmac_init(dev);83 if (ret)84 return ret;85 86 ret = mt7615_init_hardware(dev);87 if (ret)88 return ret;89 90 ret = mt76_register_device(&dev->mt76, true, mt76_rates,91 ARRAY_SIZE(mt76_rates));92 if (ret)93 return ret;94 95 ret = mt7615_thermal_init(dev);96 if (ret)97 return ret;98 99 ieee80211_queue_work(mt76_hw(dev), &dev->mcu_work);100 mt7615_init_txpower(dev, &dev->mphy.sband_2g.sband);101 mt7615_init_txpower(dev, &dev->mphy.sband_5g.sband);102 103 if (dev->dbdc_support) {104 ret = mt7615_register_ext_phy(dev);105 if (ret)106 return ret;107 }108 109 return mt7615_init_debugfs(dev);110}111 112void mt7615_unregister_device(struct mt7615_dev *dev)113{114 bool mcu_running;115 116 mcu_running = mt7615_wait_for_mcu_init(dev);117 118 mt7615_unregister_ext_phy(dev);119 mt76_unregister_device(&dev->mt76);120 if (mcu_running)121 mt7615_mcu_exit(dev);122 123 mt7615_tx_token_put(dev);124 mt7615_dma_cleanup(dev);125 tasklet_disable(&dev->mt76.irq_tasklet);126 127 mt76_free_device(&dev->mt76);128}129