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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
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}