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