1 /* SPDX-License-Identifier: ISC */
2 /* Copyright (C) 2020 MediaTek Inc. */
3
4 #ifndef __MT76_CONNAC_H
5 #define __MT76_CONNAC_H
6
7 #include "mt76.h"
8
9 #define MT76_CONNAC_SCAN_IE_LEN 600
10 #define MT76_CONNAC_MAX_NUM_SCHED_SCAN_INTERVAL 10
11 #define MT76_CONNAC_MAX_TIME_SCHED_SCAN_INTERVAL U16_MAX
12 #define MT76_CONNAC_MAX_SCHED_SCAN_SSID 10
13 #define MT76_CONNAC_MAX_SCAN_MATCH 16
14
15 #define MT76_CONNAC_COREDUMP_TIMEOUT (HZ / 20)
16 #define MT76_CONNAC_COREDUMP_SZ (1300 * 1024)
17
18 enum {
19 CMD_CBW_20MHZ = IEEE80211_STA_RX_BW_20,
20 CMD_CBW_40MHZ = IEEE80211_STA_RX_BW_40,
21 CMD_CBW_80MHZ = IEEE80211_STA_RX_BW_80,
22 CMD_CBW_160MHZ = IEEE80211_STA_RX_BW_160,
23 CMD_CBW_10MHZ,
24 CMD_CBW_5MHZ,
25 CMD_CBW_8080MHZ,
26
27 CMD_HE_MCS_BW80 = 0,
28 CMD_HE_MCS_BW160,
29 CMD_HE_MCS_BW8080,
30 CMD_HE_MCS_BW_NUM
31 };
32
33 enum {
34 HW_BSSID_0 = 0x0,
35 HW_BSSID_1,
36 HW_BSSID_2,
37 HW_BSSID_3,
38 HW_BSSID_MAX = HW_BSSID_3,
39 EXT_BSSID_START = 0x10,
40 EXT_BSSID_1,
41 EXT_BSSID_15 = 0x1f,
42 EXT_BSSID_MAX = EXT_BSSID_15,
43 REPEATER_BSSID_START = 0x20,
44 REPEATER_BSSID_MAX = 0x3f,
45 };
46
47 struct mt76_connac_pm {
48 bool enable;
49 bool ds_enable;
50 bool suspended;
51
52 spinlock_t txq_lock;
53 struct {
54 struct mt76_wcid *wcid;
55 struct sk_buff *skb;
56 } tx_q[IEEE80211_NUM_ACS];
57
58 struct work_struct wake_work;
59 wait_queue_head_t wait;
60
61 struct {
62 spinlock_t lock;
63 u32 count;
64 } wake;
65 struct mutex mutex;
66
67 struct delayed_work ps_work;
68 unsigned long last_activity;
69 unsigned long idle_timeout;
70
71 struct {
72 unsigned long last_wake_event;
73 unsigned long awake_time;
74 unsigned long last_doze_event;
75 unsigned long doze_time;
76 unsigned int lp_wake;
77 } stats;
78 };
79
80 struct mt76_connac_coredump {
81 struct sk_buff_head msg_list;
82 struct delayed_work work;
83 unsigned long last_activity;
84 };
85
86 extern const struct wiphy_wowlan_support mt76_connac_wowlan_support;
87
is_mt7922(struct mt76_dev * dev)88 static inline bool is_mt7922(struct mt76_dev *dev)
89 {
90 return mt76_chip(dev) == 0x7922;
91 }
92
is_mt7921(struct mt76_dev * dev)93 static inline bool is_mt7921(struct mt76_dev *dev)
94 {
95 return mt76_chip(dev) == 0x7961 || is_mt7922(dev);
96 }
97
is_mt7663(struct mt76_dev * dev)98 static inline bool is_mt7663(struct mt76_dev *dev)
99 {
100 return mt76_chip(dev) == 0x7663;
101 }
102
103 int mt76_connac_pm_wake(struct mt76_phy *phy, struct mt76_connac_pm *pm);
104 void mt76_connac_power_save_sched(struct mt76_phy *phy,
105 struct mt76_connac_pm *pm);
106 void mt76_connac_free_pending_tx_skbs(struct mt76_connac_pm *pm,
107 struct mt76_wcid *wcid);
108
109 static inline bool
mt76_connac_pm_ref(struct mt76_phy * phy,struct mt76_connac_pm * pm)110 mt76_connac_pm_ref(struct mt76_phy *phy, struct mt76_connac_pm *pm)
111 {
112 bool ret = false;
113
114 spin_lock_bh(&pm->wake.lock);
115 if (test_bit(MT76_STATE_PM, &phy->state))
116 goto out;
117
118 pm->wake.count++;
119 ret = true;
120 out:
121 spin_unlock_bh(&pm->wake.lock);
122
123 return ret;
124 }
125
126 static inline void
mt76_connac_pm_unref(struct mt76_phy * phy,struct mt76_connac_pm * pm)127 mt76_connac_pm_unref(struct mt76_phy *phy, struct mt76_connac_pm *pm)
128 {
129 spin_lock_bh(&pm->wake.lock);
130
131 pm->last_activity = jiffies;
132 if (--pm->wake.count == 0 &&
133 test_bit(MT76_STATE_MCU_RUNNING, &phy->state))
134 mt76_connac_power_save_sched(phy, pm);
135
136 spin_unlock_bh(&pm->wake.lock);
137 }
138
139 static inline bool
mt76_connac_skip_fw_pmctrl(struct mt76_phy * phy,struct mt76_connac_pm * pm)140 mt76_connac_skip_fw_pmctrl(struct mt76_phy *phy, struct mt76_connac_pm *pm)
141 {
142 struct mt76_dev *dev = phy->dev;
143 bool ret;
144
145 if (dev->token_count)
146 return true;
147
148 spin_lock_bh(&pm->wake.lock);
149 ret = pm->wake.count || test_and_set_bit(MT76_STATE_PM, &phy->state);
150 spin_unlock_bh(&pm->wake.lock);
151
152 return ret;
153 }
154
155 static inline void
mt76_connac_mutex_acquire(struct mt76_dev * dev,struct mt76_connac_pm * pm)156 mt76_connac_mutex_acquire(struct mt76_dev *dev, struct mt76_connac_pm *pm)
157 __acquires(&dev->mutex)
158 {
159 mutex_lock(&dev->mutex);
160 mt76_connac_pm_wake(&dev->phy, pm);
161 }
162
163 static inline void
mt76_connac_mutex_release(struct mt76_dev * dev,struct mt76_connac_pm * pm)164 mt76_connac_mutex_release(struct mt76_dev *dev, struct mt76_connac_pm *pm)
165 __releases(&dev->mutex)
166 {
167 mt76_connac_power_save_sched(&dev->phy, pm);
168 mutex_unlock(&dev->mutex);
169 }
170
171 void mt76_connac_pm_queue_skb(struct ieee80211_hw *hw,
172 struct mt76_connac_pm *pm,
173 struct mt76_wcid *wcid,
174 struct sk_buff *skb);
175 void mt76_connac_pm_dequeue_skbs(struct mt76_phy *phy,
176 struct mt76_connac_pm *pm);
177
178 #endif /* __MT76_CONNAC_H */
179