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