1/* SPDX-License-Identifier: ISC */
2/*
3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
4 * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl>
5 */
6
7#ifndef __MT76x02_H
8#define __MT76x02_H
9
10#include <linux/kfifo.h>
11
12#include "mt76.h"
13#include "mt76x02_regs.h"
14#include "mt76x02_mac.h"
15#include "mt76x02_dfs.h"
16#include "mt76x02_dma.h"
17
18#define MT76x02_TX_RING_SIZE	512
19#define MT76x02_PSD_RING_SIZE	128
20#define MT76x02_N_WCIDS 128
21#define MT_CALIBRATE_INTERVAL	HZ
22#define MT_MAC_WORK_INTERVAL	(HZ / 10)
23
24#define MT_WATCHDOG_TIME	(HZ / 10)
25#define MT_TX_HANG_TH		10
26
27#define MT_MAX_CHAINS		2
28struct mt76x02_rx_freq_cal {
29	s8 high_gain[MT_MAX_CHAINS];
30	s8 rssi_offset[MT_MAX_CHAINS];
31	s8 lna_gain;
32	u32 mcu_gain;
33	s16 temp_offset;
34	u8 freq_offset;
35};
36
37struct mt76x02_calibration {
38	struct mt76x02_rx_freq_cal rx;
39
40	u8 agc_gain_init[MT_MAX_CHAINS];
41	u8 agc_gain_cur[MT_MAX_CHAINS];
42
43	u16 false_cca;
44	s8 avg_rssi_all;
45	s8 agc_gain_adjust;
46	s8 agc_lowest_gain;
47	s8 low_gain;
48
49	s8 temp_vco;
50	s8 temp;
51
52	bool init_cal_done;
53	bool tssi_cal_done;
54	bool tssi_comp_pending;
55	bool dpd_cal_done;
56	bool channel_cal_done;
57	bool gain_init_done;
58
59	int tssi_target;
60	s8 tssi_dc;
61};
62
63struct mt76x02_beacon_ops {
64	unsigned int nslots;
65	unsigned int slot_size;
66	void (*pre_tbtt_enable)(struct mt76x02_dev *dev, bool en);
67	void (*beacon_enable)(struct mt76x02_dev *dev, bool en);
68};
69
70#define mt76x02_beacon_enable(dev, enable)	\
71	(dev)->beacon_ops->beacon_enable(dev, enable)
72#define mt76x02_pre_tbtt_enable(dev, enable)	\
73	(dev)->beacon_ops->pre_tbtt_enable(dev, enable)
74
75struct mt76x02_rate_power {
76	union {
77		struct {
78			s8 cck[4];
79			s8 ofdm[8];
80			s8 ht[16];
81			s8 vht[2];
82		};
83		s8 all[30];
84	};
85};
86
87struct mt76x02_dev {
88	union { /* must be first */
89		struct mt76_dev mt76;
90		struct mt76_phy mphy;
91	};
92
93	struct mac_address macaddr_list[8];
94
95	struct mutex phy_mutex;
96
97	u8 txdone_seq;
98	DECLARE_KFIFO_PTR(txstatus_fifo, struct mt76x02_tx_status);
99	spinlock_t txstatus_fifo_lock;
100	u32 tx_airtime;
101	u32 ampdu_ref;
102
103	struct sk_buff *rx_head;
104
105	struct delayed_work cal_work;
106	struct delayed_work wdt_work;
107
108	struct hrtimer pre_tbtt_timer;
109	struct work_struct pre_tbtt_work;
110
111	const struct mt76x02_beacon_ops *beacon_ops;
112
113	u8 beacon_data_count;
114
115	u8 tbtt_count;
116
117	u32 tx_hang_reset;
118	u8 tx_hang_check[4];
119	u8 beacon_hang_check;
120	u8 mcu_timeout;
121
122	struct mt76x02_rate_power rate_power;
123
124	struct mt76x02_calibration cal;
125
126	int txpower_conf;
127	s8 target_power;
128	s8 target_power_delta[2];
129	bool enable_tpc;
130
131	bool no_2ghz;
132
133	s16 coverage_class;
134	u8 slottime;
135
136	struct mt76x02_dfs_pattern_detector dfs_pd;
137
138	/* edcca monitor */
139	unsigned long ed_trigger_timeout;
140	bool ed_tx_blocked;
141	bool ed_monitor;
142	u8 ed_monitor_enabled;
143	u8 ed_monitor_learning;
144	u8 ed_trigger;
145	u8 ed_silent;
146	ktime_t ed_time;
147};
148
149extern struct ieee80211_rate mt76x02_rates[12];
150
151int mt76x02_init_device(struct mt76x02_dev *dev);
152void mt76x02_configure_filter(struct ieee80211_hw *hw,
153			      unsigned int changed_flags,
154			      unsigned int *total_flags, u64 multicast);
155int mt76x02_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
156		    struct ieee80211_sta *sta);
157void mt76x02_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
158			struct ieee80211_sta *sta);
159
160void mt76x02_config_mac_addr_list(struct mt76x02_dev *dev);
161
162int mt76x02_add_interface(struct ieee80211_hw *hw,
163			  struct ieee80211_vif *vif);
164void mt76x02_remove_interface(struct ieee80211_hw *hw,
165			      struct ieee80211_vif *vif);
166
167int mt76x02_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
168			 struct ieee80211_ampdu_params *params);
169int mt76x02_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
170		    struct ieee80211_vif *vif, struct ieee80211_sta *sta,
171		    struct ieee80211_key_conf *key);
172int mt76x02_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
173		    unsigned int link_id, u16 queue,
174		    const struct ieee80211_tx_queue_params *params);
175void mt76x02_sta_rate_tbl_update(struct ieee80211_hw *hw,
176				 struct ieee80211_vif *vif,
177				 struct ieee80211_sta *sta);
178s8 mt76x02_tx_get_max_txpwr_adj(struct mt76x02_dev *dev,
179				const struct ieee80211_tx_rate *rate);
180s8 mt76x02_tx_get_txpwr_adj(struct mt76x02_dev *dev, s8 txpwr,
181			    s8 max_txpwr_adj);
182void mt76x02_wdt_work(struct work_struct *work);
183void mt76x02_tx_set_txpwr_auto(struct mt76x02_dev *dev, s8 txpwr);
184void mt76x02_set_tx_ackto(struct mt76x02_dev *dev);
185void mt76x02_set_coverage_class(struct ieee80211_hw *hw,
186				s16 coverage_class);
187int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, u32 val);
188void mt76x02_remove_hdr_pad(struct sk_buff *skb, int len);
189bool mt76x02_tx_status_data(struct mt76_dev *mdev, u8 *update);
190void mt76x02_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
191			  struct sk_buff *skb, u32 *info);
192void mt76x02_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q);
193irqreturn_t mt76x02_irq_handler(int irq, void *dev_instance);
194void mt76x02_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
195		struct sk_buff *skb);
196int mt76x02_tx_prepare_skb(struct mt76_dev *mdev, void *txwi,
197			   enum mt76_txq_id qid, struct mt76_wcid *wcid,
198			   struct ieee80211_sta *sta,
199			   struct mt76_tx_info *tx_info);
200void mt76x02_sw_scan_complete(struct ieee80211_hw *hw,
201			      struct ieee80211_vif *vif);
202void mt76x02_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps);
203void mt76x02_bss_info_changed(struct ieee80211_hw *hw,
204			      struct ieee80211_vif *vif,
205			      struct ieee80211_bss_conf *info, u64 changed);
206void mt76x02_reconfig_complete(struct ieee80211_hw *hw,
207			       enum ieee80211_reconfig_type reconfig_type);
208
209struct beacon_bc_data {
210	struct mt76x02_dev *dev;
211	struct sk_buff_head q;
212	struct sk_buff *tail[8];
213};
214
215void mt76x02_init_beacon_config(struct mt76x02_dev *dev);
216void mt76x02e_init_beacon_config(struct mt76x02_dev *dev);
217void mt76x02_resync_beacon_timer(struct mt76x02_dev *dev);
218void mt76x02_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif);
219void mt76x02_enqueue_buffered_bc(struct mt76x02_dev *dev,
220				 struct beacon_bc_data *data,
221				 int max_nframes);
222
223void mt76x02_mac_start(struct mt76x02_dev *dev);
224
225void mt76x02_init_debugfs(struct mt76x02_dev *dev);
226
227static inline bool is_mt76x0(struct mt76x02_dev *dev)
228{
229	return mt76_chip(&dev->mt76) == 0x7610 ||
230	       mt76_chip(&dev->mt76) == 0x7630 ||
231	       mt76_chip(&dev->mt76) == 0x7650;
232}
233
234static inline bool is_mt76x2(struct mt76x02_dev *dev)
235{
236	return mt76_chip(&dev->mt76) == 0x7612 ||
237	       mt76_chip(&dev->mt76) == 0x7632 ||
238	       mt76_chip(&dev->mt76) == 0x7662 ||
239	       mt76_chip(&dev->mt76) == 0x7602;
240}
241
242static inline void mt76x02_irq_enable(struct mt76x02_dev *dev, u32 mask)
243{
244	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask);
245}
246
247static inline void mt76x02_irq_disable(struct mt76x02_dev *dev, u32 mask)
248{
249	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);
250}
251
252static inline bool
253mt76x02_wait_for_txrx_idle(struct mt76_dev *dev)
254{
255	return __mt76_poll_msec(dev, MT_MAC_STATUS,
256				MT_MAC_STATUS_TX | MT_MAC_STATUS_RX,
257				0, 100);
258}
259
260static inline struct mt76x02_sta *
261mt76x02_rx_get_sta(struct mt76_dev *dev, u8 idx)
262{
263	struct mt76_wcid *wcid;
264
265	if (idx >= MT76x02_N_WCIDS)
266		return NULL;
267
268	wcid = rcu_dereference(dev->wcid[idx]);
269	if (!wcid)
270		return NULL;
271
272	return container_of(wcid, struct mt76x02_sta, wcid);
273}
274
275static inline struct mt76_wcid *
276mt76x02_rx_get_sta_wcid(struct mt76x02_sta *sta, bool unicast)
277{
278	if (!sta)
279		return NULL;
280
281	if (unicast)
282		return &sta->wcid;
283	else
284		return &sta->vif->group_wcid;
285}
286
287#endif /* __MT76x02_H */
288